diff --git a/bower.json b/bower.json index f19a8421f..829f380cb 100644 --- a/bower.json +++ b/bower.json @@ -1,7 +1,7 @@ { "name": "clappr", "description": "An extensible media player for the web", - "version": "0.2.75", + "version": "0.2.76", "homepage": "https://github.com/clappr/clappr", "authors": [ "Globo.com" @@ -13,8 +13,7 @@ "license": "BSD-3-Clause", "files": [ "LICENSE", - "README.md", - "dist" + "README.md" ], "main": [ "./dist/clappr.js" @@ -37,7 +36,7 @@ "eslint": "^4.1.0", "file-loader": "^0.11.1", "gulp": "^3.8.1", - "hls.js": "^0.7.9", + "hls.js": "^0.8.5", "html-loader": "^0.4.3", "isparta": "^4.0.0", "istanbul": "^0.4.2", @@ -60,7 +59,7 @@ "mkdirp": "^0.5.1", "mocha": "^3.3.0", "node-bourbon": "^4.2.8", - "node-sass": "^4.3.0", + "node-sass": "^4.5.3", "s3": "^4.1.1", "sass-loader": "^6.0.2", "sinon": "^2.2.0", diff --git a/dist/clappr.js b/dist/clappr.js index 990e52d80..cf968ed85 100644 --- a/dist/clappr.js +++ b/dist/clappr.js @@ -6268,7 +6268,7 @@ var _clapprZepto2 = _interopRequireDefault(_clapprZepto); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } -var version = "0.2.75"; // Copyright 2014 Globo.com Player authors. All rights reserved. +var version = "0.2.76"; // Copyright 2014 Globo.com Player authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. @@ -13855,7 +13855,7 @@ var HLS = function (_HTML5VideoPlayback) { // seeks to areas after this point sometimes have issues if (this._playbackType === _playback2.default.LIVE) { var fragmentTargetDuration = data.details.targetduration; - var hlsjsConfig = this.options.playback || {}; + var hlsjsConfig = this.options.playback.hlsjsConfig || {}; var liveSyncDurationCount = hlsjsConfig.liveSyncDurationCount || _hls2.default.DefaultConfig.liveSyncDurationCount; var hiddenAreaDuration = fragmentTargetDuration * liveSyncDurationCount; if (hiddenAreaDuration <= newDuration) { @@ -13991,7 +13991,1143 @@ module.exports = exports['default']; /* 173 */ /***/ (function(module, exports, __webpack_require__) { -var require;var require;(function(f){if(true){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.Hls = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return require(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o ' + msg + ' ( ' + diff + ' ms )'; +// return msg; +// } + +function formatMsg(type, msg) { + msg = '[' + type + '] > ' + msg; + return msg; +} + +function consolePrintFn(type) { + var func = self.console[type]; + if (func) { + return function () { + for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) { + args[_key] = arguments[_key]; + } + + if (args[0]) { + args[0] = formatMsg(type, args[0]); + } + func.apply(self.console, args); + }; + } + return noop; +} + +function exportLoggerFunctions(debugConfig) { + for (var _len2 = arguments.length, functions = Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) { + functions[_key2 - 1] = arguments[_key2]; + } + + functions.forEach(function (type) { + exportedLogger[type] = debugConfig[type] ? debugConfig[type].bind(debugConfig) : consolePrintFn(type); + }); +} + +var enableLogs = function enableLogs(debugConfig) { + if (debugConfig === true || (typeof debugConfig === 'undefined' ? 'undefined' : _typeof(debugConfig)) === 'object') { + exportLoggerFunctions(debugConfig, + // Remove out from list here to hard-disable a log-level + //'trace', + 'debug', 'log', 'info', 'warn', 'error'); + // Some browsers don't allow to use bind on console object anyway + // fallback to default if needed + try { + exportedLogger.log(); + } catch (e) { + exportedLogger = fakeLogger; + } + } else { + exportedLogger = fakeLogger; + } +}; + +var logger = exportedLogger; + +/***/ }), +/* 1 */ +/***/ (function(module, __webpack_exports__, __webpack_require__) { + +"use strict"; +/* harmony default export */ __webpack_exports__["a"] = ({ + // fired before MediaSource is attaching to media element - data: { media } + MEDIA_ATTACHING: 'hlsMediaAttaching', + // fired when MediaSource has been succesfully attached to media element - data: { } + MEDIA_ATTACHED: 'hlsMediaAttached', + // fired before detaching MediaSource from media element - data: { } + MEDIA_DETACHING: 'hlsMediaDetaching', + // fired when MediaSource has been detached from media element - data: { } + MEDIA_DETACHED: 'hlsMediaDetached', + // fired when we buffer is going to be reset - data: { } + BUFFER_RESET: 'hlsBufferReset', + // fired when we know about the codecs that we need buffers for to push into - data: {tracks : { container, codec, levelCodec, initSegment, metadata }} + BUFFER_CODECS: 'hlsBufferCodecs', + // fired when sourcebuffers have been created - data: { tracks : tracks } + BUFFER_CREATED: 'hlsBufferCreated', + // fired when we append a segment to the buffer - data: { segment: segment object } + BUFFER_APPENDING: 'hlsBufferAppending', + // fired when we are done with appending a media segment to the buffer - data : { parent : segment parent that triggered BUFFER_APPENDING, pending : nb of segments waiting for appending for this segment parent} + BUFFER_APPENDED: 'hlsBufferAppended', + // fired when the stream is finished and we want to notify the media buffer that there will be no more data - data: { } + BUFFER_EOS: 'hlsBufferEos', + // fired when the media buffer should be flushed - data { startOffset, endOffset } + BUFFER_FLUSHING: 'hlsBufferFlushing', + // fired when the media buffer has been flushed - data: { } + BUFFER_FLUSHED: 'hlsBufferFlushed', + // fired to signal that a manifest loading starts - data: { url : manifestURL} + MANIFEST_LOADING: 'hlsManifestLoading', + // fired after manifest has been loaded - data: { levels : [available quality levels], audioTracks : [ available audio tracks], url : manifestURL, stats : { trequest, tfirst, tload, mtime}} + MANIFEST_LOADED: 'hlsManifestLoaded', + // fired after manifest has been parsed - data: { levels : [available quality levels], firstLevel : index of first quality level appearing in Manifest} + MANIFEST_PARSED: 'hlsManifestParsed', + // fired when a level switch is requested - data: { level : id of new level } // deprecated in favor LEVEL_SWITCHING + LEVEL_SWITCH: 'hlsLevelSwitch', + // fired when a level switch is requested - data: { level : id of new level } + LEVEL_SWITCHING: 'hlsLevelSwitching', + // fired when a level switch is effective - data: { level : id of new level } + LEVEL_SWITCHED: 'hlsLevelSwitched', + // fired when a level playlist loading starts - data: { url : level URL, level : id of level being loaded} + LEVEL_LOADING: 'hlsLevelLoading', + // fired when a level playlist loading finishes - data: { details : levelDetails object, level : id of loaded level, stats : { trequest, tfirst, tload, mtime} } + LEVEL_LOADED: 'hlsLevelLoaded', + // fired when a level's details have been updated based on previous details, after it has been loaded - data: { details : levelDetails object, level : id of updated level } + LEVEL_UPDATED: 'hlsLevelUpdated', + // fired when a level's PTS information has been updated after parsing a fragment - data: { details : levelDetails object, level : id of updated level, drift: PTS drift observed when parsing last fragment } + LEVEL_PTS_UPDATED: 'hlsLevelPtsUpdated', + // fired to notify that audio track lists has been updated - data: { audioTracks : audioTracks } + AUDIO_TRACKS_UPDATED: 'hlsAudioTracksUpdated', + // fired when an audio track switch occurs - data: { id : audio track id } // deprecated in favor AUDIO_TRACK_SWITCHING + AUDIO_TRACK_SWITCH: 'hlsAudioTrackSwitch', + // fired when an audio track switching is requested - data: { id : audio track id } + AUDIO_TRACK_SWITCHING: 'hlsAudioTrackSwitching', + // fired when an audio track switch actually occurs - data: { id : audio track id } + AUDIO_TRACK_SWITCHED: 'hlsAudioTrackSwitched', + // fired when an audio track loading starts - data: { url : audio track URL, id : audio track id } + AUDIO_TRACK_LOADING: 'hlsAudioTrackLoading', + // fired when an audio track loading finishes - data: { details : levelDetails object, id : audio track id, stats : { trequest, tfirst, tload, mtime } } + AUDIO_TRACK_LOADED: 'hlsAudioTrackLoaded', + // fired to notify that subtitle track lists has been updated - data: { subtitleTracks : subtitleTracks } + SUBTITLE_TRACKS_UPDATED: 'hlsSubtitleTracksUpdated', + // fired when an subtitle track switch occurs - data: { id : subtitle track id } + SUBTITLE_TRACK_SWITCH: 'hlsSubtitleTrackSwitch', + // fired when a subtitle track loading starts - data: { url : subtitle track URL, id : subtitle track id } + SUBTITLE_TRACK_LOADING: 'hlsSubtitleTrackLoading', + // fired when a subtitle track loading finishes - data: { details : levelDetails object, id : subtitle track id, stats : { trequest, tfirst, tload, mtime } } + SUBTITLE_TRACK_LOADED: 'hlsSubtitleTrackLoaded', + // fired when a subtitle fragment has been processed - data: { success : boolean, frag : the processed frag } + SUBTITLE_FRAG_PROCESSED: 'hlsSubtitleFragProcessed', + // fired when the first timestamp is found - data: { id : demuxer id, initPTS: initPTS, frag : fragment object } + INIT_PTS_FOUND: 'hlsInitPtsFound', + // fired when a fragment loading starts - data: { frag : fragment object } + FRAG_LOADING: 'hlsFragLoading', + // fired when a fragment loading is progressing - data: { frag : fragment object, { trequest, tfirst, loaded } } + FRAG_LOAD_PROGRESS: 'hlsFragLoadProgress', + // Identifier for fragment load aborting for emergency switch down - data: { frag : fragment object } + FRAG_LOAD_EMERGENCY_ABORTED: 'hlsFragLoadEmergencyAborted', + // fired when a fragment loading is completed - data: { frag : fragment object, payload : fragment payload, stats : { trequest, tfirst, tload, length } } + FRAG_LOADED: 'hlsFragLoaded', + // fired when a fragment has finished decrypting - data: { id : demuxer id, frag: fragment object, payload : fragment payload, stats : { tstart, tdecrypt } } + FRAG_DECRYPTED: 'hlsFragDecrypted', + // fired when Init Segment has been extracted from fragment - data: { id : demuxer id, frag: fragment object, moov : moov MP4 box, codecs : codecs found while parsing fragment } + FRAG_PARSING_INIT_SEGMENT: 'hlsFragParsingInitSegment', + // fired when parsing sei text is completed - data: { id : demuxer id, frag: fragment object, samples : [ sei samples pes ] } + FRAG_PARSING_USERDATA: 'hlsFragParsingUserdata', + // fired when parsing id3 is completed - data: { id : demuxer id, frag: fragment object, samples : [ id3 samples pes ] } + FRAG_PARSING_METADATA: 'hlsFragParsingMetadata', + // fired when data have been extracted from fragment - data: { id : demuxer id, frag: fragment object, data1 : moof MP4 box or TS fragments, data2 : mdat MP4 box or null} + FRAG_PARSING_DATA: 'hlsFragParsingData', + // fired when fragment parsing is completed - data: { id : demuxer id, frag: fragment object } + FRAG_PARSED: 'hlsFragParsed', + // fired when fragment remuxed MP4 boxes have all been appended into SourceBuffer - data: { id : demuxer id, frag : fragment object, stats : { trequest, tfirst, tload, tparsed, tbuffered, length, bwEstimate } } + FRAG_BUFFERED: 'hlsFragBuffered', + // fired when fragment matching with current media position is changing - data : { id : demuxer id, frag : fragment object } + FRAG_CHANGED: 'hlsFragChanged', + // Identifier for a FPS drop event - data: { curentDropped, currentDecoded, totalDroppedFrames } + FPS_DROP: 'hlsFpsDrop', + //triggered when FPS drop triggers auto level capping - data: { level, droppedlevel } + FPS_DROP_LEVEL_CAPPING: 'hlsFpsDropLevelCapping', + // Identifier for an error event - data: { type : error type, details : error details, fatal : if true, hls.js cannot/will not try to recover, if false, hls.js will try to recover,other error specific data } + ERROR: 'hlsError', + // fired when hls.js instance starts destroying. Different from MEDIA_DETACHED as one could want to detach and reattach a media to the instance of hls.js to handle mid-rolls for example - data: { } + DESTROYING: 'hlsDestroying', + // fired when a decrypt key loading starts - data: { frag : fragment object } + KEY_LOADING: 'hlsKeyLoading', + // fired when a decrypt key loading is completed - data: { frag : fragment object, payload : key payload, stats : { trequest, tfirst, tload, length } } + KEY_LOADED: 'hlsKeyLoaded', + // fired upon stream controller state transitions - data: { previousState, nextState } + STREAM_STATE_TRANSITION: 'hlsStreamStateTransition' +}); + +/***/ }), +/* 2 */ +/***/ (function(module, __webpack_exports__, __webpack_require__) { + +"use strict"; +/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "b", function() { return ErrorTypes; }); +/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return ErrorDetails; }); +var ErrorTypes = { + // Identifier for a network error (loading error / timeout ...) + NETWORK_ERROR: 'networkError', + // Identifier for a media Error (video/parsing/mediasource error) + MEDIA_ERROR: 'mediaError', + // Identifier for a mux Error (demuxing/remuxing) + MUX_ERROR: 'muxError', + // Identifier for all other errors + OTHER_ERROR: 'otherError' +}; + +var ErrorDetails = { + // Identifier for a manifest load error - data: { url : faulty URL, response : { code: error code, text: error text }} + MANIFEST_LOAD_ERROR: 'manifestLoadError', + // Identifier for a manifest load timeout - data: { url : faulty URL, response : { code: error code, text: error text }} + MANIFEST_LOAD_TIMEOUT: 'manifestLoadTimeOut', + // Identifier for a manifest parsing error - data: { url : faulty URL, reason : error reason} + MANIFEST_PARSING_ERROR: 'manifestParsingError', + // Identifier for a manifest with only incompatible codecs error - data: { url : faulty URL, reason : error reason} + MANIFEST_INCOMPATIBLE_CODECS_ERROR: 'manifestIncompatibleCodecsError', + // Identifier for a level load error - data: { url : faulty URL, response : { code: error code, text: error text }} + LEVEL_LOAD_ERROR: 'levelLoadError', + // Identifier for a level load timeout - data: { url : faulty URL, response : { code: error code, text: error text }} + LEVEL_LOAD_TIMEOUT: 'levelLoadTimeOut', + // Identifier for a level switch error - data: { level : faulty level Id, event : error description} + LEVEL_SWITCH_ERROR: 'levelSwitchError', + // Identifier for an audio track load error - data: { url : faulty URL, response : { code: error code, text: error text }} + AUDIO_TRACK_LOAD_ERROR: 'audioTrackLoadError', + // Identifier for an audio track load timeout - data: { url : faulty URL, response : { code: error code, text: error text }} + AUDIO_TRACK_LOAD_TIMEOUT: 'audioTrackLoadTimeOut', + // Identifier for fragment load error - data: { frag : fragment object, response : { code: error code, text: error text }} + FRAG_LOAD_ERROR: 'fragLoadError', + // Identifier for fragment loop loading error - data: { frag : fragment object} + FRAG_LOOP_LOADING_ERROR: 'fragLoopLoadingError', + // Identifier for fragment load timeout error - data: { frag : fragment object} + FRAG_LOAD_TIMEOUT: 'fragLoadTimeOut', + // Identifier for a fragment decryption error event - data: {id : demuxer Id,frag: fragment object, reason : parsing error description } + FRAG_DECRYPT_ERROR: 'fragDecryptError', + // Identifier for a fragment parsing error event - data: { id : demuxer Id, reason : parsing error description } + // will be renamed DEMUX_PARSING_ERROR and switched to MUX_ERROR in the next major release + FRAG_PARSING_ERROR: 'fragParsingError', + // Identifier for a remux alloc error event - data: { id : demuxer Id, frag : fragment object, bytes : nb of bytes on which allocation failed , reason : error text } + REMUX_ALLOC_ERROR: 'remuxAllocError', + // Identifier for decrypt key load error - data: { frag : fragment object, response : { code: error code, text: error text }} + KEY_LOAD_ERROR: 'keyLoadError', + // Identifier for decrypt key load timeout error - data: { frag : fragment object} + KEY_LOAD_TIMEOUT: 'keyLoadTimeOut', + // Triggered when an exception occurs while adding a sourceBuffer to MediaSource - data : { err : exception , mimeType : mimeType } + BUFFER_ADD_CODEC_ERROR: 'bufferAddCodecError', + // Identifier for a buffer append error - data: append error description + BUFFER_APPEND_ERROR: 'bufferAppendError', + // Identifier for a buffer appending error event - data: appending error description + BUFFER_APPENDING_ERROR: 'bufferAppendingError', + // Identifier for a buffer stalled error event + BUFFER_STALLED_ERROR: 'bufferStalledError', + // Identifier for a buffer full event + BUFFER_FULL_ERROR: 'bufferFullError', + // Identifier for a buffer seek over hole event + BUFFER_SEEK_OVER_HOLE: 'bufferSeekOverHole', + // Identifier for a buffer nudge on stall (playback is stuck although currentTime is in a buffered area) + BUFFER_NUDGE_ON_STALL: 'bufferNudgeOnStall', + // Identifier for an internal exception happening inside hls.js while handling an event + INTERNAL_EXCEPTION: 'internalException' +}; + +/***/ }), +/* 3 */ +/***/ (function(module, __webpack_exports__, __webpack_require__) { + +"use strict"; + +// CONCATENATED MODULE: ./src/crypt/aes-crypto.js +function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + +var AESCrypto = function () { + function AESCrypto(subtle, iv) { + _classCallCheck(this, AESCrypto); + + this.subtle = subtle; + this.aesIV = iv; + } + + AESCrypto.prototype.decrypt = function decrypt(data, key) { + return this.subtle.decrypt({ name: 'AES-CBC', iv: this.aesIV }, key, data); + }; + + return AESCrypto; +}(); + +/* harmony default export */ var aes_crypto = (AESCrypto); +// CONCATENATED MODULE: ./src/crypt/fast-aes-key.js +function fast_aes_key__classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + +var FastAESKey = function () { + function FastAESKey(subtle, key) { + fast_aes_key__classCallCheck(this, FastAESKey); + + this.subtle = subtle; + this.key = key; + } + + FastAESKey.prototype.expandKey = function expandKey() { + return this.subtle.importKey('raw', this.key, { name: 'AES-CBC' }, false, ['encrypt', 'decrypt']); + }; + + return FastAESKey; +}(); + +/* harmony default export */ var fast_aes_key = (FastAESKey); +// CONCATENATED MODULE: ./src/crypt/aes-decryptor.js +function aes_decryptor__classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + +var AESDecryptor = function () { + function AESDecryptor() { + aes_decryptor__classCallCheck(this, AESDecryptor); + + // Static after running initTable + this.rcon = [0x0, 0x1, 0x2, 0x4, 0x8, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36]; + this.subMix = [new Uint32Array(256), new Uint32Array(256), new Uint32Array(256), new Uint32Array(256)]; + this.invSubMix = [new Uint32Array(256), new Uint32Array(256), new Uint32Array(256), new Uint32Array(256)]; + this.sBox = new Uint32Array(256); + this.invSBox = new Uint32Array(256); + + // Changes during runtime + this.key = new Uint32Array(0); + + this.initTable(); + } + + // Using view.getUint32() also swaps the byte order. + + + AESDecryptor.prototype.uint8ArrayToUint32Array_ = function uint8ArrayToUint32Array_(arrayBuffer) { + var view = new DataView(arrayBuffer); + var newArray = new Uint32Array(4); + for (var i = 0; i < 4; i++) { + newArray[i] = view.getUint32(i * 4); + } + return newArray; + }; + + AESDecryptor.prototype.initTable = function initTable() { + var sBox = this.sBox; + var invSBox = this.invSBox; + var subMix = this.subMix; + var subMix0 = subMix[0]; + var subMix1 = subMix[1]; + var subMix2 = subMix[2]; + var subMix3 = subMix[3]; + var invSubMix = this.invSubMix; + var invSubMix0 = invSubMix[0]; + var invSubMix1 = invSubMix[1]; + var invSubMix2 = invSubMix[2]; + var invSubMix3 = invSubMix[3]; + + var d = new Uint32Array(256); + var x = 0; + var xi = 0; + var i = 0; + for (i = 0; i < 256; i++) { + if (i < 128) { + d[i] = i << 1; + } else { + d[i] = i << 1 ^ 0x11b; + } + } + + for (i = 0; i < 256; i++) { + var sx = xi ^ xi << 1 ^ xi << 2 ^ xi << 3 ^ xi << 4; + sx = sx >>> 8 ^ sx & 0xff ^ 0x63; + sBox[x] = sx; + invSBox[sx] = x; + + // Compute multiplication + var x2 = d[x]; + var x4 = d[x2]; + var x8 = d[x4]; + + // Compute sub/invSub bytes, mix columns tables + var t = d[sx] * 0x101 ^ sx * 0x1010100; + subMix0[x] = t << 24 | t >>> 8; + subMix1[x] = t << 16 | t >>> 16; + subMix2[x] = t << 8 | t >>> 24; + subMix3[x] = t; + + // Compute inv sub bytes, inv mix columns tables + t = x8 * 0x1010101 ^ x4 * 0x10001 ^ x2 * 0x101 ^ x * 0x1010100; + invSubMix0[sx] = t << 24 | t >>> 8; + invSubMix1[sx] = t << 16 | t >>> 16; + invSubMix2[sx] = t << 8 | t >>> 24; + invSubMix3[sx] = t; + + // Compute next counter + if (!x) { + x = xi = 1; + } else { + x = x2 ^ d[d[d[x8 ^ x2]]]; + xi ^= d[d[xi]]; + } + } + }; + + AESDecryptor.prototype.expandKey = function expandKey(keyBuffer) { + // convert keyBuffer to Uint32Array + var key = this.uint8ArrayToUint32Array_(keyBuffer); + var sameKey = true; + var offset = 0; + + while (offset < key.length && sameKey) { + sameKey = key[offset] === this.key[offset]; + offset++; + } + + if (sameKey) { + return; + } + + this.key = key; + var keySize = this.keySize = key.length; + + if (keySize !== 4 && keySize !== 6 && keySize !== 8) { + throw new Error('Invalid aes key size=' + keySize); + } + + var ksRows = this.ksRows = (keySize + 6 + 1) * 4; + var ksRow = void 0; + var invKsRow = void 0; + + var keySchedule = this.keySchedule = new Uint32Array(ksRows); + var invKeySchedule = this.invKeySchedule = new Uint32Array(ksRows); + var sbox = this.sBox; + var rcon = this.rcon; + + var invSubMix = this.invSubMix; + var invSubMix0 = invSubMix[0]; + var invSubMix1 = invSubMix[1]; + var invSubMix2 = invSubMix[2]; + var invSubMix3 = invSubMix[3]; + + var prev = void 0; + var t = void 0; + + for (ksRow = 0; ksRow < ksRows; ksRow++) { + if (ksRow < keySize) { + prev = keySchedule[ksRow] = key[ksRow]; + continue; + } + t = prev; + + if (ksRow % keySize === 0) { + // Rot word + t = t << 8 | t >>> 24; + + // Sub word + t = sbox[t >>> 24] << 24 | sbox[t >>> 16 & 0xff] << 16 | sbox[t >>> 8 & 0xff] << 8 | sbox[t & 0xff]; + + // Mix Rcon + t ^= rcon[ksRow / keySize | 0] << 24; + } else if (keySize > 6 && ksRow % keySize === 4) { + // Sub word + t = sbox[t >>> 24] << 24 | sbox[t >>> 16 & 0xff] << 16 | sbox[t >>> 8 & 0xff] << 8 | sbox[t & 0xff]; + } + + keySchedule[ksRow] = prev = (keySchedule[ksRow - keySize] ^ t) >>> 0; + } + + for (invKsRow = 0; invKsRow < ksRows; invKsRow++) { + ksRow = ksRows - invKsRow; + if (invKsRow & 3) { + t = keySchedule[ksRow]; + } else { + t = keySchedule[ksRow - 4]; + } + + if (invKsRow < 4 || ksRow <= 4) { + invKeySchedule[invKsRow] = t; + } else { + invKeySchedule[invKsRow] = invSubMix0[sbox[t >>> 24]] ^ invSubMix1[sbox[t >>> 16 & 0xff]] ^ invSubMix2[sbox[t >>> 8 & 0xff]] ^ invSubMix3[sbox[t & 0xff]]; + } + + invKeySchedule[invKsRow] = invKeySchedule[invKsRow] >>> 0; + } + }; + + // Adding this as a method greatly improves performance. + + + AESDecryptor.prototype.networkToHostOrderSwap = function networkToHostOrderSwap(word) { + return word << 24 | (word & 0xff00) << 8 | (word & 0xff0000) >> 8 | word >>> 24; + }; + + AESDecryptor.prototype.decrypt = function decrypt(inputArrayBuffer, offset, aesIV) { + var nRounds = this.keySize + 6; + var invKeySchedule = this.invKeySchedule; + var invSBOX = this.invSBox; + + var invSubMix = this.invSubMix; + var invSubMix0 = invSubMix[0]; + var invSubMix1 = invSubMix[1]; + var invSubMix2 = invSubMix[2]; + var invSubMix3 = invSubMix[3]; + + var initVector = this.uint8ArrayToUint32Array_(aesIV); + var initVector0 = initVector[0]; + var initVector1 = initVector[1]; + var initVector2 = initVector[2]; + var initVector3 = initVector[3]; + + var inputInt32 = new Int32Array(inputArrayBuffer); + var outputInt32 = new Int32Array(inputInt32.length); + + var t0 = void 0, + t1 = void 0, + t2 = void 0, + t3 = void 0; + var s0 = void 0, + s1 = void 0, + s2 = void 0, + s3 = void 0; + var inputWords0 = void 0, + inputWords1 = void 0, + inputWords2 = void 0, + inputWords3 = void 0; + + var ksRow, i; + var swapWord = this.networkToHostOrderSwap; + + while (offset < inputInt32.length) { + inputWords0 = swapWord(inputInt32[offset]); + inputWords1 = swapWord(inputInt32[offset + 1]); + inputWords2 = swapWord(inputInt32[offset + 2]); + inputWords3 = swapWord(inputInt32[offset + 3]); + + s0 = inputWords0 ^ invKeySchedule[0]; + s1 = inputWords3 ^ invKeySchedule[1]; + s2 = inputWords2 ^ invKeySchedule[2]; + s3 = inputWords1 ^ invKeySchedule[3]; + + ksRow = 4; + + // Iterate through the rounds of decryption + for (i = 1; i < nRounds; i++) { + t0 = invSubMix0[s0 >>> 24] ^ invSubMix1[s1 >> 16 & 0xff] ^ invSubMix2[s2 >> 8 & 0xff] ^ invSubMix3[s3 & 0xff] ^ invKeySchedule[ksRow]; + t1 = invSubMix0[s1 >>> 24] ^ invSubMix1[s2 >> 16 & 0xff] ^ invSubMix2[s3 >> 8 & 0xff] ^ invSubMix3[s0 & 0xff] ^ invKeySchedule[ksRow + 1]; + t2 = invSubMix0[s2 >>> 24] ^ invSubMix1[s3 >> 16 & 0xff] ^ invSubMix2[s0 >> 8 & 0xff] ^ invSubMix3[s1 & 0xff] ^ invKeySchedule[ksRow + 2]; + t3 = invSubMix0[s3 >>> 24] ^ invSubMix1[s0 >> 16 & 0xff] ^ invSubMix2[s1 >> 8 & 0xff] ^ invSubMix3[s2 & 0xff] ^ invKeySchedule[ksRow + 3]; + // Update state + s0 = t0; + s1 = t1; + s2 = t2; + s3 = t3; + + ksRow = ksRow + 4; + } + + // Shift rows, sub bytes, add round key + t0 = invSBOX[s0 >>> 24] << 24 ^ invSBOX[s1 >> 16 & 0xff] << 16 ^ invSBOX[s2 >> 8 & 0xff] << 8 ^ invSBOX[s3 & 0xff] ^ invKeySchedule[ksRow]; + t1 = invSBOX[s1 >>> 24] << 24 ^ invSBOX[s2 >> 16 & 0xff] << 16 ^ invSBOX[s3 >> 8 & 0xff] << 8 ^ invSBOX[s0 & 0xff] ^ invKeySchedule[ksRow + 1]; + t2 = invSBOX[s2 >>> 24] << 24 ^ invSBOX[s3 >> 16 & 0xff] << 16 ^ invSBOX[s0 >> 8 & 0xff] << 8 ^ invSBOX[s1 & 0xff] ^ invKeySchedule[ksRow + 2]; + t3 = invSBOX[s3 >>> 24] << 24 ^ invSBOX[s0 >> 16 & 0xff] << 16 ^ invSBOX[s1 >> 8 & 0xff] << 8 ^ invSBOX[s2 & 0xff] ^ invKeySchedule[ksRow + 3]; + ksRow = ksRow + 3; + + // Write + outputInt32[offset] = swapWord(t0 ^ initVector0); + outputInt32[offset + 1] = swapWord(t3 ^ initVector1); + outputInt32[offset + 2] = swapWord(t2 ^ initVector2); + outputInt32[offset + 3] = swapWord(t1 ^ initVector3); + + // reset initVector to last 4 unsigned int + initVector0 = inputWords0; + initVector1 = inputWords1; + initVector2 = inputWords2; + initVector3 = inputWords3; + + offset = offset + 4; + } + + return outputInt32.buffer; + }; + + AESDecryptor.prototype.destroy = function destroy() { + this.key = undefined; + this.keySize = undefined; + this.ksRows = undefined; + + this.sBox = undefined; + this.invSBox = undefined; + this.subMix = undefined; + this.invSubMix = undefined; + this.keySchedule = undefined; + this.invKeySchedule = undefined; + + this.rcon = undefined; + }; + + return AESDecryptor; +}(); + +/* harmony default export */ var aes_decryptor = (AESDecryptor); +// EXTERNAL MODULE: ./src/errors.js +var errors = __webpack_require__(2); + +// EXTERNAL MODULE: ./src/utils/logger.js +var logger = __webpack_require__(0); + +// CONCATENATED MODULE: ./src/crypt/decrypter.js +function decrypter__classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + + + + + + + + +/*globals self: false */ + +var decrypter_Decrypter = function () { + function Decrypter(observer, config) { + decrypter__classCallCheck(this, Decrypter); + + this.observer = observer; + this.config = config; + this.logEnabled = true; + try { + var browserCrypto = crypto ? crypto : self.crypto; + this.subtle = browserCrypto.subtle || browserCrypto.webkitSubtle; + } catch (e) {} + this.disableWebCrypto = !this.subtle; + } + + Decrypter.prototype.isSync = function isSync() { + return this.disableWebCrypto && this.config.enableSoftwareAES; + }; + + Decrypter.prototype.decrypt = function decrypt(data, key, iv, callback) { + var _this = this; + + if (this.disableWebCrypto && this.config.enableSoftwareAES) { + if (this.logEnabled) { + logger["b" /* logger */].log('JS AES decrypt'); + this.logEnabled = false; + } + var decryptor = this.decryptor; + if (!decryptor) { + this.decryptor = decryptor = new aes_decryptor(); + } + decryptor.expandKey(key); + callback(decryptor.decrypt(data, 0, iv)); + } else { + if (this.logEnabled) { + logger["b" /* logger */].log('WebCrypto AES decrypt'); + this.logEnabled = false; + } + var subtle = this.subtle; + if (this.key !== key) { + this.key = key; + this.fastAesKey = new fast_aes_key(subtle, key); + } + + this.fastAesKey.expandKey().then(function (aesKey) { + // decrypt using web crypto + var crypto = new aes_crypto(subtle, iv); + crypto.decrypt(data, aesKey).catch(function (err) { + _this.onWebCryptoError(err, data, key, iv, callback); + }).then(function (result) { + callback(result); + }); + }).catch(function (err) { + _this.onWebCryptoError(err, data, key, iv, callback); + }); + } + }; + + Decrypter.prototype.onWebCryptoError = function onWebCryptoError(err, data, key, iv, callback) { + if (this.config.enableSoftwareAES) { + logger["b" /* logger */].log('WebCrypto Error, disable WebCrypto API'); + this.disableWebCrypto = true; + this.logEnabled = true; + this.decrypt(data, key, iv, callback); + } else { + logger["b" /* logger */].error('decrypting error : ' + err.message); + this.observer.trigger(Event.ERROR, { type: errors["b" /* ErrorTypes */].MEDIA_ERROR, details: errors["a" /* ErrorDetails */].FRAG_DECRYPT_ERROR, fatal: true, reason: err.message }); + } + }; + + Decrypter.prototype.destroy = function destroy() { + var decryptor = this.decryptor; + if (decryptor) { + decryptor.destroy(); + this.decryptor = undefined; + } + }; + + return Decrypter; +}(); + +/* harmony default export */ var decrypter = __webpack_exports__["a"] = (decrypter_Decrypter); + +/***/ }), +/* 4 */ +/***/ (function(module, __webpack_exports__, __webpack_require__) { + +"use strict"; +function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + +/** + * ID3 parser + */ +var ID3 = function () { + function ID3() { + _classCallCheck(this, ID3); + } + + /** + * Returns true if an ID3 header can be found at offset in data + * @param {Uint8Array} data - The data to search in + * @param {number} offset - The offset at which to start searching + * @return {boolean} - True if an ID3 header is found + */ + ID3.isHeader = function isHeader(data, offset) { + /* + * http://id3.org/id3v2.3.0 + * [0] = 'I' + * [1] = 'D' + * [2] = '3' + * [3,4] = {Version} + * [5] = {Flags} + * [6-9] = {ID3 Size} + * + * An ID3v2 tag can be detected with the following pattern: + * $49 44 33 yy yy xx zz zz zz zz + * Where yy is less than $FF, xx is the 'flags' byte and zz is less than $80 + */ + if (offset + 10 <= data.length) { + //look for 'ID3' identifier + if (data[offset] === 0x49 && data[offset + 1] === 0x44 && data[offset + 2] === 0x33) { + //check version is within range + if (data[offset + 3] < 0xFF && data[offset + 4] < 0xFF) { + //check size is within range + if (data[offset + 6] < 0x80 && data[offset + 7] < 0x80 && data[offset + 8] < 0x80 && data[offset + 9] < 0x80) { + return true; + } + } + } + } + + return false; + }; + + /** + * Returns true if an ID3 footer can be found at offset in data + * @param {Uint8Array} data - The data to search in + * @param {number} offset - The offset at which to start searching + * @return {boolean} - True if an ID3 footer is found + */ + + + ID3.isFooter = function isFooter(data, offset) { + /* + * The footer is a copy of the header, but with a different identifier + */ + if (offset + 10 <= data.length) { + //look for '3DI' identifier + if (data[offset] === 0x33 && data[offset + 1] === 0x44 && data[offset + 2] === 0x49) { + //check version is within range + if (data[offset + 3] < 0xFF && data[offset + 4] < 0xFF) { + //check size is within range + if (data[offset + 6] < 0x80 && data[offset + 7] < 0x80 && data[offset + 8] < 0x80 && data[offset + 9] < 0x80) { + return true; + } + } + } + } + + return false; + }; + + /** + * Returns any adjacent ID3 tags found in data starting at offset, as one block of data + * @param {Uint8Array} data - The data to search in + * @param {number} offset - The offset at which to start searching + * @return {Uint8Array} - The block of data containing any ID3 tags found + */ + + + ID3.getID3Data = function getID3Data(data, offset) { + var front = offset; + var length = 0; + + while (ID3.isHeader(data, offset)) { + //ID3 header is 10 bytes + length += 10; + + var size = ID3._readSize(data, offset + 6); + length += size; + + if (ID3.isFooter(data, offset + 10)) { + //ID3 footer is 10 bytes + length += 10; + } + + offset += length; + } + + if (length > 0) { + return data.subarray(front, front + length); + } + + return undefined; + }; + + ID3._readSize = function _readSize(data, offset) { + var size = 0; + size = (data[offset] & 0x7f) << 21; + size |= (data[offset + 1] & 0x7f) << 14; + size |= (data[offset + 2] & 0x7f) << 7; + size |= data[offset + 3] & 0x7f; + return size; + }; + + /** + * Searches for the Elementary Stream timestamp found in the ID3 data chunk + * @param {Uint8Array} data - Block of data containing one or more ID3 tags + * @return {number} - The timestamp + */ + + + ID3.getTimeStamp = function getTimeStamp(data) { + var frames = ID3.getID3Frames(data); + for (var i = 0; i < frames.length; i++) { + var frame = frames[i]; + if (ID3.isTimeStampFrame(frame)) { + return ID3._readTimeStamp(frame); + } + } + + return undefined; + }; + + /** + * Returns true if the ID3 frame is an Elementary Stream timestamp frame + * @param {ID3 frame} frame + */ + + + ID3.isTimeStampFrame = function isTimeStampFrame(frame) { + return frame && frame.key === 'PRIV' && frame.info === 'com.apple.streaming.transportStreamTimestamp'; + }; + + ID3._getFrameData = function _getFrameData(data) { + /* + Frame ID $xx xx xx xx (four characters) + Size $xx xx xx xx + Flags $xx xx + */ + var type = String.fromCharCode(data[0], data[1], data[2], data[3]); + var size = ID3._readSize(data, 4); + + //skip frame id, size, and flags + var offset = 10; + + return { type: type, size: size, data: data.subarray(offset, offset + size) }; + }; + + /** + * Returns an array of ID3 frames found in all the ID3 tags in the id3Data + * @param {Uint8Array} id3Data - The ID3 data containing one or more ID3 tags + * @return {ID3 frame[]} - Array of ID3 frame objects + */ + + + ID3.getID3Frames = function getID3Frames(id3Data) { + var offset = 0; + var frames = []; + + while (ID3.isHeader(id3Data, offset)) { + var size = ID3._readSize(id3Data, offset + 6); + //skip past ID3 header + offset += 10; + var end = offset + size; + //loop through frames in the ID3 tag + while (offset + 8 < end) { + var frameData = ID3._getFrameData(id3Data.subarray(offset)); + var frame = ID3._decodeFrame(frameData); + if (frame) { + frames.push(frame); + } + //skip frame header and frame data + offset += frameData.size + 10; + } + + if (ID3.isFooter(id3Data, offset)) { + offset += 10; + } + } + + return frames; + }; + + ID3._decodeFrame = function _decodeFrame(frame) { + if (frame.type === 'PRIV') { + return ID3._decodePrivFrame(frame); + } else if (frame.type[0] === 'T') { + return ID3._decodeTextFrame(frame); + } else if (frame.type[0] === 'W') { + return ID3._decodeURLFrame(frame); + } + + return undefined; + }; + + ID3._readTimeStamp = function _readTimeStamp(timeStampFrame) { + if (timeStampFrame.data.byteLength === 8) { + var data = new Uint8Array(timeStampFrame.data); + // timestamp is 33 bit expressed as a big-endian eight-octet number, + // with the upper 31 bits set to zero. + var pts33Bit = data[3] & 0x1; + var timestamp = (data[4] << 23) + (data[5] << 15) + (data[6] << 7) + data[7]; + timestamp /= 45; + + if (pts33Bit) { + timestamp += 47721858.84; // 2^32 / 90 + } + + return Math.round(timestamp); + } + + return undefined; + }; + + ID3._decodePrivFrame = function _decodePrivFrame(frame) { + /* + Format: \0 + */ + if (frame.size < 2) { + return undefined; + } + + var owner = ID3._utf8ArrayToStr(frame.data); + var privateData = new Uint8Array(frame.data.subarray(owner.length + 1)); + + return { key: frame.type, info: owner, data: privateData.buffer }; + }; + + ID3._decodeTextFrame = function _decodeTextFrame(frame) { + if (frame.size < 2) { + return undefined; + } + + if (frame.type === 'TXXX') { + /* + Format: + [0] = {Text Encoding} + [1-?] = {Description}\0{Value} + */ + var index = 1; + var description = ID3._utf8ArrayToStr(frame.data.subarray(index)); + + index += description.length + 1; + var value = ID3._utf8ArrayToStr(frame.data.subarray(index)); + + return { key: frame.type, info: description, data: value }; + } else { + /* + Format: + [0] = {Text Encoding} + [1-?] = {Value} + */ + var text = ID3._utf8ArrayToStr(frame.data.subarray(1)); + return { key: frame.type, data: text }; + } + }; + + ID3._decodeURLFrame = function _decodeURLFrame(frame) { + if (frame.type === 'WXXX') { + /* + Format: + [0] = {Text Encoding} + [1-?] = {Description}\0{URL} + */ + if (frame.size < 2) { + return undefined; + } + + var index = 1; + var description = ID3._utf8ArrayToStr(frame.data.subarray(index)); + + index += description.length + 1; + var value = ID3._utf8ArrayToStr(frame.data.subarray(index)); + + return { key: frame.type, info: description, data: value }; + } else { + /* + Format: + [0-?] = {URL} + */ + var url = ID3._utf8ArrayToStr(frame.data); + return { key: frame.type, data: url }; + } + }; + + // http://stackoverflow.com/questions/8936984/uint8array-to-string-in-javascript/22373197 + // http://www.onicos.com/staff/iz/amuse/javascript/expert/utf.txt + /* utf.js - UTF-8 <=> UTF-16 convertion + * + * Copyright (C) 1999 Masanao Izumo + * Version: 1.0 + * LastModified: Dec 25 1999 + * This library is free. You can redistribute it and/or modify it. + */ + + + ID3._utf8ArrayToStr = function _utf8ArrayToStr(array) { + + var char2 = void 0; + var char3 = void 0; + var out = ''; + var i = 0; + var length = array.length; + + while (i < length) { + var c = array[i++]; + switch (c >> 4) { + case 0: + return out; + case 1:case 2:case 3:case 4:case 5:case 6:case 7: + // 0xxxxxxx + out += String.fromCharCode(c); + break; + case 12:case 13: + // 110x xxxx 10xx xxxx + char2 = array[i++]; + out += String.fromCharCode((c & 0x1F) << 6 | char2 & 0x3F); + break; + case 14: + // 1110 xxxx 10xx xxxx 10xx xxxx + char2 = array[i++]; + char3 = array[i++]; + out += String.fromCharCode((c & 0x0F) << 12 | (char2 & 0x3F) << 6 | (char3 & 0x3F) << 0); + break; + } + } + + return out; + }; + + return ID3; +}(); + +/* harmony default export */ __webpack_exports__["a"] = (ID3); + +/***/ }), +/* 5 */ +/***/ (function(module, exports) { + // Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a @@ -14295,7 +15431,11 @@ function isUndefined(arg) { return arg === void 0; } -},{}],2:[function(_dereq_,module,exports){ + +/***/ }), +/* 6 */ +/***/ (function(module, exports, __webpack_require__) { + // see https://tools.ietf.org/html/rfc1808 /* jshint ignore:start */ @@ -14449,7 +15589,7 @@ function isUndefined(arg) { }; /* jshint ignore:start */ - if(typeof exports === 'object' && typeof module === 'object') + if(true) module.exports = URLToolkit; else if(typeof define === 'function' && define.amd) define([], function() { return URLToolkit; }); @@ -14460,15397 +15600,14112 @@ function isUndefined(arg) { })(this); /* jshint ignore:end */ -},{}],3:[function(_dereq_,module,exports){ -var bundleFn = arguments[3]; -var sources = arguments[4]; -var cache = arguments[5]; - -var stringify = JSON.stringify; - -module.exports = function (fn, options) { - var wkey; - var cacheKeys = Object.keys(cache); - - for (var i = 0, l = cacheKeys.length; i < l; i++) { - var key = cacheKeys[i]; - var exp = cache[key].exports; - // Using babel as a transpiler to use esmodule, the export will always - // be an object with the default export as a property of it. To ensure - // the existing api and babel esmodule exports are both supported we - // check for both - if (exp === fn || exp && exp.default === fn) { - wkey = key; - break; - } - } - - if (!wkey) { - wkey = Math.floor(Math.pow(16, 8) * Math.random()).toString(16); - var wcache = {}; - for (var i = 0, l = cacheKeys.length; i < l; i++) { - var key = cacheKeys[i]; - wcache[key] = key; - } - sources[wkey] = [ - Function(['require','module','exports'], '(' + fn + ')(self)'), - wcache - ]; - } - var skey = Math.floor(Math.pow(16, 8) * Math.random()).toString(16); - var scache = {}; scache[wkey] = wkey; - sources[skey] = [ - Function(['require'], ( - // try to call default if defined to also support babel esmodule - // exports - 'var f = require(' + stringify(wkey) + ');' + - '(f.default ? f.default : f)(self);' - )), - scache - ]; - - var workerSources = {}; - resolveSources(skey); +/***/ }), +/* 7 */ +/***/ (function(module, __webpack_exports__, __webpack_require__) { - function resolveSources(key) { - workerSources[key] = true; +"use strict"; - for (var depPath in sources[key][1]) { - var depKey = sources[key][1][depPath]; - if (!workerSources[depKey]) { - resolveSources(depKey); - } - } - } +// EXTERNAL MODULE: ./src/events.js +var events = __webpack_require__(1); - var src = '(' + bundleFn + ')({' - + Object.keys(workerSources).map(function (key) { - return stringify(key) + ':[' - + sources[key][0] - + ',' + stringify(sources[key][1]) + ']' - ; - }).join(',') - + '},{},[' + stringify(skey) + '])' - ; +// EXTERNAL MODULE: ./src/errors.js +var errors = __webpack_require__(2); - var URL = window.URL || window.webkitURL || window.mozURL || window.msURL; +// EXTERNAL MODULE: ./src/crypt/decrypter.js + 3 modules +var crypt_decrypter = __webpack_require__(3); - var blob = new Blob([src], { type: 'text/javascript' }); - if (options && options.bare) { return blob; } - var workerUrl = URL.createObjectURL(blob); - var worker = new Worker(workerUrl); - worker.objectURL = workerUrl; - return worker; -}; +// EXTERNAL MODULE: ./src/utils/logger.js +var logger = __webpack_require__(0); -},{}],4:[function(_dereq_,module,exports){ +// CONCATENATED MODULE: ./src/demux/adts.js /** - * HLS config + * ADTS parser helper */ -'use strict'; - -Object.defineProperty(exports, "__esModule", { - value: true -}); -exports.hlsDefaultConfig = undefined; - -var _abrController = _dereq_(5); - -var _abrController2 = _interopRequireDefault(_abrController); - -var _bufferController = _dereq_(8); - -var _bufferController2 = _interopRequireDefault(_bufferController); - -var _capLevelController = _dereq_(9); - -var _capLevelController2 = _interopRequireDefault(_capLevelController); - -var _fpsController = _dereq_(10); - -var _fpsController2 = _interopRequireDefault(_fpsController); - -var _xhrLoader = _dereq_(58); - -var _xhrLoader2 = _interopRequireDefault(_xhrLoader); - -var _audioTrackController = _dereq_(7); - -var _audioTrackController2 = _interopRequireDefault(_audioTrackController); - -var _audioStreamController = _dereq_(6); - -var _audioStreamController2 = _interopRequireDefault(_audioStreamController); - -var _cues = _dereq_(50); - -var _cues2 = _interopRequireDefault(_cues); - -var _timelineController = _dereq_(16); - -var _timelineController2 = _interopRequireDefault(_timelineController); - -var _subtitleTrackController = _dereq_(15); - -var _subtitleTrackController2 = _interopRequireDefault(_subtitleTrackController); - -var _subtitleStreamController = _dereq_(14); - -var _subtitleStreamController2 = _interopRequireDefault(_subtitleStreamController); - -function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } - -//#endif -//#endif -//#if subtitle -//import FetchLoader from './utils/fetch-loader'; -//#if altaudio -var hlsDefaultConfig = exports.hlsDefaultConfig = { - autoStartLoad: true, // used by stream-controller - startPosition: -1, // used by stream-controller - defaultAudioCodec: undefined, // used by stream-controller - debug: false, // used by logger - capLevelOnFPSDrop: false, // used by fps-controller - capLevelToPlayerSize: false, // used by cap-level-controller - initialLiveManifestSize: 1, // used by stream-controller - maxBufferLength: 30, // used by stream-controller - maxBufferSize: 60 * 1000 * 1000, // used by stream-controller - maxBufferHole: 0.5, // used by stream-controller - maxSeekHole: 2, // used by stream-controller - lowBufferWatchdogPeriod: 0.5, // used by stream-controller - highBufferWatchdogPeriod: 3, // used by stream-controller - nudgeOffset: 0.1, // used by stream-controller - nudgeMaxRetry: 3, // used by stream-controller - maxFragLookUpTolerance: 0.25, // used by stream-controller - liveSyncDurationCount: 3, // used by stream-controller - liveMaxLatencyDurationCount: Infinity, // used by stream-controller - liveSyncDuration: undefined, // used by stream-controller - liveMaxLatencyDuration: undefined, // used by stream-controller - maxMaxBufferLength: 600, // used by stream-controller - enableWorker: true, // used by demuxer - enableSoftwareAES: true, // used by decrypter - manifestLoadingTimeOut: 10000, // used by playlist-loader - manifestLoadingMaxRetry: 1, // used by playlist-loader - manifestLoadingRetryDelay: 1000, // used by playlist-loader - manifestLoadingMaxRetryTimeout: 64000, // used by playlist-loader - startLevel: undefined, // used by level-controller - levelLoadingTimeOut: 10000, // used by playlist-loader - levelLoadingMaxRetry: 4, // used by playlist-loader - levelLoadingRetryDelay: 1000, // used by playlist-loader - levelLoadingMaxRetryTimeout: 64000, // used by playlist-loader - fragLoadingTimeOut: 20000, // used by fragment-loader - fragLoadingMaxRetry: 6, // used by fragment-loader - fragLoadingRetryDelay: 1000, // used by fragment-loader - fragLoadingMaxRetryTimeout: 64000, // used by fragment-loader - fragLoadingLoopThreshold: 3, // used by stream-controller - startFragPrefetch: false, // used by stream-controller - fpsDroppedMonitoringPeriod: 5000, // used by fps-controller - fpsDroppedMonitoringThreshold: 0.2, // used by fps-controller - appendErrorMaxRetry: 3, // used by buffer-controller - loader: _xhrLoader2.default, - //loader: FetchLoader, - fLoader: undefined, - pLoader: undefined, - xhrSetup: undefined, - fetchSetup: undefined, - abrController: _abrController2.default, - bufferController: _bufferController2.default, - capLevelController: _capLevelController2.default, - fpsController: _fpsController2.default, - //#if altaudio - audioStreamController: _audioStreamController2.default, - audioTrackController: _audioTrackController2.default, - //#endif - //#if subtitle - subtitleStreamController: _subtitleStreamController2.default, - subtitleTrackController: _subtitleTrackController2.default, - timelineController: _timelineController2.default, - cueHandler: _cues2.default, - enableCEA708Captions: true, // used by timeline-controller - enableWebVTT: true, // used by timeline-controller - captionsTextTrack1Label: 'English', // used by timeline-controller - captionsTextTrack1LanguageCode: 'en', // used by timeline-controller - captionsTextTrack2Label: 'Spanish', // used by timeline-controller - captionsTextTrack2LanguageCode: 'es', // used by timeline-controller - //#endif - stretchShortVideoTrack: false, // used by mp4-remuxer - forceKeyFrameOnDiscontinuity: true, // used by ts-demuxer - abrEwmaFastLive: 3, // used by abr-controller - abrEwmaSlowLive: 9, // used by abr-controller - abrEwmaFastVoD: 3, // used by abr-controller - abrEwmaSlowVoD: 9, // used by abr-controller - abrEwmaDefaultEstimate: 5e5, // 500 kbps // used by abr-controller - abrBandWidthFactor: 0.95, // used by abr-controller - abrBandWidthUpFactor: 0.7, // used by abr-controller - abrMaxWithRealBitrate: false, // used by abr-controller - maxStarvationDelay: 4, // used by abr-controller - maxLoadingDelay: 4, // used by abr-controller - minAutoBitrate: 0 // used by hls -}; - -},{"10":10,"14":14,"15":15,"16":16,"5":5,"50":50,"58":58,"6":6,"7":7,"8":8,"9":9}],5:[function(_dereq_,module,exports){ -'use strict'; - -Object.defineProperty(exports, "__esModule", { - value: true -}); - -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); - -var _events = _dereq_(35); - -var _events2 = _interopRequireDefault(_events); - -var _eventHandler = _dereq_(34); - -var _eventHandler2 = _interopRequireDefault(_eventHandler); - -var _bufferHelper = _dereq_(37); - -var _bufferHelper2 = _interopRequireDefault(_bufferHelper); - -var _errors = _dereq_(33); - -var _logger = _dereq_(53); - -var _ewmaBandwidthEstimator = _dereq_(51); - -var _ewmaBandwidthEstimator2 = _interopRequireDefault(_ewmaBandwidthEstimator); - -function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } - -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } - -function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; } - -function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } /* - * simple ABR Controller - * - compute next level based on last fragment bw heuristics - * - implement an abandon rules triggered if we have less than 2 frag buffered and if computed bw shows that we risk buffer stalling - */ +function getAudioConfig(observer, data, offset, audioCodec) { + var adtsObjectType, + // :int + adtsSampleingIndex, + // :int + adtsExtensionSampleingIndex, + // :int + adtsChanelConfig, + // :int + config, + userAgent = navigator.userAgent.toLowerCase(), + manifestCodec = audioCodec, + adtsSampleingRates = [96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000, 7350]; + // byte 2 + adtsObjectType = ((data[offset + 2] & 0xC0) >>> 6) + 1; + adtsSampleingIndex = (data[offset + 2] & 0x3C) >>> 2; + if (adtsSampleingIndex > adtsSampleingRates.length - 1) { + observer.trigger(Event.ERROR, { type: errors["b" /* ErrorTypes */].MEDIA_ERROR, details: errors["a" /* ErrorDetails */].FRAG_PARSING_ERROR, fatal: true, reason: 'invalid ADTS sampling index:' + adtsSampleingIndex }); + return; + } + adtsChanelConfig = (data[offset + 2] & 0x01) << 2; + // byte 3 + adtsChanelConfig |= (data[offset + 3] & 0xC0) >>> 6; + logger["b" /* logger */].log('manifest codec:' + audioCodec + ',ADTS data:type:' + adtsObjectType + ',sampleingIndex:' + adtsSampleingIndex + '[' + adtsSampleingRates[adtsSampleingIndex] + 'Hz],channelConfig:' + adtsChanelConfig); + // firefox: freq less than 24kHz = AAC SBR (HE-AAC) + if (/firefox/i.test(userAgent)) { + if (adtsSampleingIndex >= 6) { + adtsObjectType = 5; + config = new Array(4); + // HE-AAC uses SBR (Spectral Band Replication) , high frequencies are constructed from low frequencies + // there is a factor 2 between frame sample rate and output sample rate + // multiply frequency by 2 (see table below, equivalent to substract 3) + adtsExtensionSampleingIndex = adtsSampleingIndex - 3; + } else { + adtsObjectType = 2; + config = new Array(2); + adtsExtensionSampleingIndex = adtsSampleingIndex; + } + // Android : always use AAC + } else if (userAgent.indexOf('android') !== -1) { + adtsObjectType = 2; + config = new Array(2); + adtsExtensionSampleingIndex = adtsSampleingIndex; + } else { + /* for other browsers (Chrome/Vivaldi/Opera ...) + always force audio type to be HE-AAC SBR, as some browsers do not support audio codec switch properly (like Chrome ...) + */ + adtsObjectType = 5; + config = new Array(4); + // if (manifest codec is HE-AAC or HE-AACv2) OR (manifest codec not specified AND frequency less than 24kHz) + if (audioCodec && (audioCodec.indexOf('mp4a.40.29') !== -1 || audioCodec.indexOf('mp4a.40.5') !== -1) || !audioCodec && adtsSampleingIndex >= 6) { + // HE-AAC uses SBR (Spectral Band Replication) , high frequencies are constructed from low frequencies + // there is a factor 2 between frame sample rate and output sample rate + // multiply frequency by 2 (see table below, equivalent to substract 3) + adtsExtensionSampleingIndex = adtsSampleingIndex - 3; + } else { + // if (manifest codec is AAC) AND (frequency less than 24kHz AND nb channel is 1) OR (manifest codec not specified and mono audio) + // Chrome fails to play back with low frequency AAC LC mono when initialized with HE-AAC. This is not a problem with stereo. + if (audioCodec && audioCodec.indexOf('mp4a.40.2') !== -1 && (adtsSampleingIndex >= 6 && adtsChanelConfig === 1 || /vivaldi/i.test(userAgent)) || !audioCodec && adtsChanelConfig === 1) { + adtsObjectType = 2; + config = new Array(2); + } + adtsExtensionSampleingIndex = adtsSampleingIndex; + } + } + /* refer to http://wiki.multimedia.cx/index.php?title=MPEG-4_Audio#Audio_Specific_Config + ISO 14496-3 (AAC).pdf - Table 1.13 — Syntax of AudioSpecificConfig() + Audio Profile / Audio Object Type + 0: Null + 1: AAC Main + 2: AAC LC (Low Complexity) + 3: AAC SSR (Scalable Sample Rate) + 4: AAC LTP (Long Term Prediction) + 5: SBR (Spectral Band Replication) + 6: AAC Scalable + sampling freq + 0: 96000 Hz + 1: 88200 Hz + 2: 64000 Hz + 3: 48000 Hz + 4: 44100 Hz + 5: 32000 Hz + 6: 24000 Hz + 7: 22050 Hz + 8: 16000 Hz + 9: 12000 Hz + 10: 11025 Hz + 11: 8000 Hz + 12: 7350 Hz + 13: Reserved + 14: Reserved + 15: frequency is written explictly + Channel Configurations + These are the channel configurations: + 0: Defined in AOT Specifc Config + 1: 1 channel: front-center + 2: 2 channels: front-left, front-right + */ + // audioObjectType = profile => profile, the MPEG-4 Audio Object Type minus 1 + config[0] = adtsObjectType << 3; + // samplingFrequencyIndex + config[0] |= (adtsSampleingIndex & 0x0E) >> 1; + config[1] |= (adtsSampleingIndex & 0x01) << 7; + // channelConfiguration + config[1] |= adtsChanelConfig << 3; + if (adtsObjectType === 5) { + // adtsExtensionSampleingIndex + config[1] |= (adtsExtensionSampleingIndex & 0x0E) >> 1; + config[2] = (adtsExtensionSampleingIndex & 0x01) << 7; + // adtsObjectType (force to 2, chrome is checking that object type is less than 5 ??? + // https://chromium.googlesource.com/chromium/src.git/+/master/media/formats/mp4/aac.cc + config[2] |= 2 << 2; + config[3] = 0; + } + return { config: config, samplerate: adtsSampleingRates[adtsSampleingIndex], channelCount: adtsChanelConfig, codec: 'mp4a.40.' + adtsObjectType, manifestCodec: manifestCodec }; +} -var AbrController = function (_EventHandler) { - _inherits(AbrController, _EventHandler); +function isHeaderPattern(data, offset) { + return data[offset] === 0xff && (data[offset + 1] & 0xf6) === 0xf0; +} - function AbrController(hls) { - _classCallCheck(this, AbrController); +function getHeaderLength(data, offset) { + return !!(data[offset + 1] & 0x01) ? 7 : 9; +} - var _this = _possibleConstructorReturn(this, (AbrController.__proto__ || Object.getPrototypeOf(AbrController)).call(this, hls, _events2.default.FRAG_LOADING, _events2.default.FRAG_LOADED, _events2.default.FRAG_BUFFERED, _events2.default.ERROR)); +function getFullFrameLength(data, offset) { + return (data[offset + 3] & 0x03) << 11 | data[offset + 4] << 3 | (data[offset + 5] & 0xE0) >>> 5; +} - _this.lastLoadedFragLevel = 0; - _this._nextAutoLevel = -1; - _this.hls = hls; - _this.onCheck = _this._abandonRulesCheck.bind(_this); - return _this; +function isHeader(data, offset) { + // Look for ADTS header | 1111 1111 | 1111 X00X | where X can be either 0 or 1 + // Layer bits (position 14 and 15) in header should be always 0 for ADTS + // More info https://wiki.multimedia.cx/index.php?title=ADTS + if (offset + 1 < data.length && isHeaderPattern(data, offset)) { + return true; } + return false; +} - _createClass(AbrController, [{ - key: 'destroy', - value: function destroy() { - this.clearTimer(); - _eventHandler2.default.prototype.destroy.call(this); - } - }, { - key: 'onFragLoading', - value: function onFragLoading(data) { - var frag = data.frag; - if (frag.type === 'main') { - if (!this.timer) { - this.timer = setInterval(this.onCheck, 100); - } - // lazy init of bw Estimator, rationale is that we use different params for Live/VoD - // so we need to wait for stream manifest / playlist type to instantiate it. - if (!this._bwEstimator) { - var hls = this.hls, - level = data.frag.level, - isLive = hls.levels[level].details.live, - config = hls.config, - ewmaFast = void 0, - ewmaSlow = void 0; - - if (isLive) { - ewmaFast = config.abrEwmaFastLive; - ewmaSlow = config.abrEwmaSlowLive; - } else { - ewmaFast = config.abrEwmaFastVoD; - ewmaSlow = config.abrEwmaSlowVoD; - } - this._bwEstimator = new _ewmaBandwidthEstimator2.default(hls, ewmaSlow, ewmaFast, config.abrEwmaDefaultEstimate); - } - this.fragCurrent = frag; - } - } - }, { - key: '_abandonRulesCheck', - value: function _abandonRulesCheck() { - /* - monitor fragment retrieval time... - we compute expected time of arrival of the complete fragment. - we compare it to expected time of buffer starvation - */ - var hls = this.hls, - v = hls.media, - frag = this.fragCurrent, - loader = frag.loader, - minAutoLevel = hls.minAutoLevel; - - // if loader has been destroyed or loading has been aborted, stop timer and return - if (!loader || loader.stats && loader.stats.aborted) { - _logger.logger.warn('frag loader destroy or aborted, disarm abandonRules'); - this.clearTimer(); - return; - } - var stats = loader.stats; - /* only monitor frag retrieval time if - (video not paused OR first fragment being loaded(ready state === HAVE_NOTHING = 0)) AND autoswitching enabled AND not lowest level (=> means that we have several levels) */ - if (v && (!v.paused && v.playbackRate !== 0 || !v.readyState) && frag.autoLevel && frag.level) { - var requestDelay = performance.now() - stats.trequest, - playbackRate = Math.abs(v.playbackRate); - // monitor fragment load progress after half of expected fragment duration,to stabilize bitrate - if (requestDelay > 500 * frag.duration / playbackRate) { - var levels = hls.levels, - loadRate = Math.max(1, stats.bw ? stats.bw / 8 : stats.loaded * 1000 / requestDelay), - // byte/s; at least 1 byte/s to avoid division by zero - // compute expected fragment length using frag duration and level bitrate. also ensure that expected len is gte than already loaded size - level = levels[frag.level], - levelBitrate = level.realBitrate ? Math.max(level.realBitrate, level.bitrate) : level.bitrate, - expectedLen = stats.total ? stats.total : Math.max(stats.loaded, Math.round(frag.duration * levelBitrate / 8)), - pos = v.currentTime, - fragLoadedDelay = (expectedLen - stats.loaded) / loadRate, - bufferStarvationDelay = (_bufferHelper2.default.bufferInfo(v, pos, hls.config.maxBufferHole).end - pos) / playbackRate; - // consider emergency switch down only if we have less than 2 frag buffered AND - // time to finish loading current fragment is bigger than buffer starvation delay - // ie if we risk buffer starvation if bw does not increase quickly - if (bufferStarvationDelay < 2 * frag.duration / playbackRate && fragLoadedDelay > bufferStarvationDelay) { - var fragLevelNextLoadedDelay = void 0, - nextLoadLevel = void 0; - // lets iterate through lower level and try to find the biggest one that could avoid rebuffering - // we start from current level - 1 and we step down , until we find a matching level - for (nextLoadLevel = frag.level - 1; nextLoadLevel > minAutoLevel; nextLoadLevel--) { - // compute time to load next fragment at lower level - // 0.8 : consider only 80% of current bw to be conservative - // 8 = bits per byte (bps/Bps) - var levelNextBitrate = levels[nextLoadLevel].realBitrate ? Math.max(levels[nextLoadLevel].realBitrate, levels[nextLoadLevel].bitrate) : levels[nextLoadLevel].bitrate; - fragLevelNextLoadedDelay = frag.duration * levelNextBitrate / (8 * 0.8 * loadRate); - if (fragLevelNextLoadedDelay < bufferStarvationDelay) { - // we found a lower level that be rebuffering free with current estimated bw ! - break; - } - } - // only emergency switch down if it takes less time to load new fragment at lowest level instead - // of finishing loading current one ... - if (fragLevelNextLoadedDelay < fragLoadedDelay) { - _logger.logger.warn('loading too slow, abort fragment loading and switch to level ' + nextLoadLevel + ':fragLoadedDelay[' + nextLoadLevel + ']= minAutoLevel; i--) { - var levelInfo = levels[i], - levelDetails = levelInfo.details, - avgDuration = levelDetails ? levelDetails.totalduration / levelDetails.fragments.length : currentFragDuration, - live = levelDetails ? levelDetails.live : false, - adjustedbw = void 0; - // follow algorithm captured from stagefright : - // https://android.googlesource.com/platform/frameworks/av/+/master/media/libstagefright/httplive/LiveSession.cpp - // Pick the highest bandwidth stream below or equal to estimated bandwidth. - // consider only 80% of the available bandwidth, but if we are switching up, - // be even more conservative (70%) to avoid overestimating and immediately - // switching back. - if (i <= currentLevel) { - adjustedbw = bwFactor * currentBw; - } else { - adjustedbw = bwUpFactor * currentBw; - } - var bitrate = levels[i].realBitrate ? Math.max(levels[i].realBitrate, levels[i].bitrate) : levels[i].bitrate, - fetchDuration = bitrate * avgDuration / adjustedbw; - - _logger.logger.trace('level/adjustedbw/bitrate/avgDuration/maxFetchDuration/fetchDuration: ' + i + '/' + Math.round(adjustedbw) + '/' + bitrate + '/' + avgDuration + '/' + maxFetchDuration + '/' + fetchDuration); - // if adjusted bw is greater than level bitrate AND - if (adjustedbw > bitrate && ( - // fragment fetchDuration unknown OR live stream OR fragment fetchDuration less than max allowed fetch duration, then this level matches - // we don't account for max Fetch Duration for live streams, this is to avoid switching down when near the edge of live sliding window ... - // special case to support startLevel = -1 (bitrateTest) on live streams : in that case we should not exit loop so that _findBestLevel will return -1 - !fetchDuration || live && !this.bitrateTestDelay || fetchDuration < maxFetchDuration)) { - // as we are looping from highest to lowest, this will return the best achievable quality level - return i; - } - } - // not enough time budget even with quality level 0 ... rebuffering might happen - return -1; - } - }, { - key: 'nextAutoLevel', - get: function get() { - var forcedAutoLevel = this._nextAutoLevel; - var bwEstimator = this._bwEstimator; - // in case next auto level has been forced, and bw not available or not reliable, return forced value - if (forcedAutoLevel !== -1 && (!bwEstimator || !bwEstimator.canEstimate())) { - return forcedAutoLevel; - } - // compute next level using ABR logic - var nextABRAutoLevel = this._nextABRAutoLevel; - // if forced auto level has been defined, use it to cap ABR computed quality level - if (forcedAutoLevel !== -1) { - nextABRAutoLevel = Math.min(forcedAutoLevel, nextABRAutoLevel); - } - return nextABRAutoLevel; - }, - set: function set(nextLevel) { - this._nextAutoLevel = nextLevel; - } - }, { - key: '_nextABRAutoLevel', - get: function get() { - var hls = this.hls, - maxAutoLevel = hls.maxAutoLevel, - levels = hls.levels, - config = hls.config, - minAutoLevel = hls.minAutoLevel; - var v = hls.media, - currentLevel = this.lastLoadedFragLevel, - currentFragDuration = this.fragCurrent ? this.fragCurrent.duration : 0, - pos = v ? v.currentTime : 0, +function parseFrameHeader(data, offset, pts, frameIndex, frameDuration) { + var headerLength, frameLength, stamp; + var length = data.length; - // playbackRate is the absolute value of the playback rate; if v.playbackRate is 0, we use 1 to load as - // if we're playing back at the normal rate. - playbackRate = v && v.playbackRate !== 0 ? Math.abs(v.playbackRate) : 1.0, - avgbw = this._bwEstimator ? this._bwEstimator.getEstimate() : config.abrEwmaDefaultEstimate, + // The protection skip bit tells us if we have 2 bytes of CRC data at the end of the ADTS header + headerLength = getHeaderLength(data, offset); + // retrieve frame size + frameLength = getFullFrameLength(data, offset); + frameLength -= headerLength; - // bufferStarvationDelay is the wall-clock time left until the playback buffer is exhausted. - bufferStarvationDelay = (_bufferHelper2.default.bufferInfo(v, pos, config.maxBufferHole).end - pos) / playbackRate; + if (frameLength > 0 && offset + headerLength + frameLength <= length) { + stamp = pts + frameIndex * frameDuration; + //logger.log(`AAC frame, offset/length/total/pts:${offset+headerLength}/${frameLength}/${data.byteLength}/${(stamp/90).toFixed(0)}`); + return { headerLength: headerLength, frameLength: frameLength, stamp: stamp }; + } - // First, look to see if we can find a level matching with our avg bandwidth AND that could also guarantee no rebuffering at all - var bestLevel = this._findBestLevel(currentLevel, currentFragDuration, avgbw, minAutoLevel, maxAutoLevel, bufferStarvationDelay, config.abrBandWidthFactor, config.abrBandWidthUpFactor, levels); - if (bestLevel >= 0) { - return bestLevel; - } else { - _logger.logger.trace('rebuffering expected to happen, lets try to find a quality level minimizing the rebuffering'); - // not possible to get rid of rebuffering ... let's try to find level that will guarantee less than maxStarvationDelay of rebuffering - // if no matching level found, logic will return 0 - var maxStarvationDelay = currentFragDuration ? Math.min(currentFragDuration, config.maxStarvationDelay) : config.maxStarvationDelay, - bwFactor = config.abrBandWidthFactor, - bwUpFactor = config.abrBandWidthUpFactor; - if (bufferStarvationDelay === 0) { - // in case buffer is empty, let's check if previous fragment was loaded to perform a bitrate test - var bitrateTestDelay = this.bitrateTestDelay; - if (bitrateTestDelay) { - // if it is the case, then we need to adjust our max starvation delay using maxLoadingDelay config value - // max video loading delay used in automatic start level selection : - // in that mode ABR controller will ensure that video loading time (ie the time to fetch the first fragment at lowest quality level + - // the time to fetch the fragment at the appropriate quality level is less than ```maxLoadingDelay``` ) - // cap maxLoadingDelay and ensure it is not bigger 'than bitrate test' frag duration - var maxLoadingDelay = currentFragDuration ? Math.min(currentFragDuration, config.maxLoadingDelay) : config.maxLoadingDelay; - maxStarvationDelay = maxLoadingDelay - bitrateTestDelay; - _logger.logger.trace('bitrate test took ' + Math.round(1000 * bitrateTestDelay) + 'ms, set first fragment max fetchDuration to ' + Math.round(1000 * maxStarvationDelay) + ' ms'); - // don't use conservative factor on bitrate test - bwFactor = bwUpFactor = 1; - } - } - bestLevel = this._findBestLevel(currentLevel, currentFragDuration, avgbw, minAutoLevel, maxAutoLevel, bufferStarvationDelay + maxStarvationDelay, bwFactor, bwUpFactor, levels); - return Math.max(bestLevel, 0); - } - } - }]); + return undefined; +} - return AbrController; -}(_eventHandler2.default); +function appendFrame(track, data, offset, pts, frameIndex) { + var frameDuration = getFrameDuration(track.samplerate); + var header = parseFrameHeader(data, offset, pts, frameIndex, frameDuration); + if (header) { + var stamp = header.stamp; + var headerLength = header.headerLength; + var frameLength = header.frameLength; + + //logger.log(`AAC frame, offset/length/total/pts:${offset+headerLength}/${frameLength}/${data.byteLength}/${(stamp/90).toFixed(0)}`); + var aacSample = { + unit: data.subarray(offset + headerLength, offset + headerLength + frameLength), + pts: stamp, + dts: stamp + }; -exports.default = AbrController; + track.samples.push(aacSample); + track.len += frameLength; -},{"33":33,"34":34,"35":35,"37":37,"51":51,"53":53}],6:[function(_dereq_,module,exports){ -'use strict'; + return { sample: aacSample, length: frameLength + headerLength }; + } -Object.defineProperty(exports, "__esModule", { - value: true -}); + return undefined; +} +// EXTERNAL MODULE: ./src/demux/id3.js +var id3 = __webpack_require__(4); -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); +// CONCATENATED MODULE: ./src/demux/aacdemuxer.js +function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } -var _binarySearch = _dereq_(48); +/** + * AAC demuxer + */ -var _binarySearch2 = _interopRequireDefault(_binarySearch); -var _bufferHelper = _dereq_(37); -var _bufferHelper2 = _interopRequireDefault(_bufferHelper); -var _demuxer = _dereq_(25); +var aacdemuxer_AACDemuxer = function () { + function AACDemuxer(observer, remuxer, config) { + _classCallCheck(this, AACDemuxer); -var _demuxer2 = _interopRequireDefault(_demuxer); + this.observer = observer; + this.config = config; + this.remuxer = remuxer; + } -var _events = _dereq_(35); + AACDemuxer.prototype.resetInitSegment = function resetInitSegment(initSegment, audioCodec, videoCodec, duration) { + this._audioTrack = { container: 'audio/adts', type: 'audio', id: 0, sequenceNumber: 0, isAAC: true, samples: [], len: 0, manifestCodec: audioCodec, duration: duration, inputTimeScale: 90000 }; + }; -var _events2 = _interopRequireDefault(_events); + AACDemuxer.prototype.resetTimeStamp = function resetTimeStamp() {}; -var _eventHandler = _dereq_(34); + AACDemuxer.probe = function probe(data) { + if (!data) { + return false; + } + // Check for the ADTS sync word + // Look for ADTS header | 1111 1111 | 1111 X00X | where X can be either 0 or 1 + // Layer bits (position 14 and 15) in header should be always 0 for ADTS + // More info https://wiki.multimedia.cx/index.php?title=ADTS + var id3Data = id3["a" /* default */].getID3Data(data, 0) || []; + var offset = id3Data.length; -var _eventHandler2 = _interopRequireDefault(_eventHandler); + for (var length = data.length; offset < length; offset++) { + if (adts_probe(data, offset)) { + logger["b" /* logger */].log('ADTS sync word found !'); + return true; + } + } + return false; + }; -var _levelHelper = _dereq_(38); + // feed incoming data to the front of the parsing pipeline -var _levelHelper2 = _interopRequireDefault(_levelHelper); -var _timeRanges = _dereq_(54); + AACDemuxer.prototype.append = function append(data, timeOffset, contiguous, accurateTimeOffset) { + var track = this._audioTrack; + var id3Data = id3["a" /* default */].getID3Data(data, 0) || []; + var timestamp = id3["a" /* default */].getTimeStamp(id3Data); + var pts = timestamp ? 90 * timestamp : timeOffset * 90000; + var frameIndex = 0; + var stamp = pts; + var length = data.length; + var offset = id3Data.length; -var _timeRanges2 = _interopRequireDefault(_timeRanges); + var id3Samples = [{ pts: stamp, dts: stamp, data: id3Data }]; -var _errors = _dereq_(33); + while (offset < length - 1) { + if (isHeader(data, offset) && offset + 5 < length) { + initTrackConfig(track, this.observer, data, offset, track.manifestCodec); + var frame = appendFrame(track, data, offset, pts, frameIndex); + if (frame) { + offset += frame.length; + stamp = frame.sample.pts; + frameIndex++; + } else { + logger["b" /* logger */].log('Unable to parse AAC frame'); + break; + } + } else if (id3["a" /* default */].isHeader(data, offset)) { + id3Data = id3["a" /* default */].getID3Data(data, offset); + id3Samples.push({ pts: stamp, dts: stamp, data: id3Data }); + offset += id3Data.length; + } else { + //nothing found, keep looking + offset++; + } + } -var _logger = _dereq_(53); + this.remuxer.remux(track, { samples: [] }, { samples: id3Samples, inputTimeScale: 90000 }, { samples: [] }, timeOffset, contiguous, accurateTimeOffset); + }; -function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + AACDemuxer.prototype.destroy = function destroy() {}; -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + return AACDemuxer; +}(); -function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; } +/* harmony default export */ var aacdemuxer = (aacdemuxer_AACDemuxer); +// CONCATENATED MODULE: ./src/demux/mp4demuxer.js +function mp4demuxer__classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } -function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } /* - * Audio Stream Controller - */ +/** + * MP4 demuxer + */ -var State = { - STOPPED: 'STOPPED', - STARTING: 'STARTING', - IDLE: 'IDLE', - PAUSED: 'PAUSED', - KEY_LOADING: 'KEY_LOADING', - FRAG_LOADING: 'FRAG_LOADING', - FRAG_LOADING_WAITING_RETRY: 'FRAG_LOADING_WAITING_RETRY', - WAITING_TRACK: 'WAITING_TRACK', - PARSING: 'PARSING', - PARSED: 'PARSED', - BUFFER_FLUSHING: 'BUFFER_FLUSHING', - ENDED: 'ENDED', - ERROR: 'ERROR', - WAITING_INIT_PTS: 'WAITING_INIT_PTS' -}; -var AudioStreamController = function (_EventHandler) { - _inherits(AudioStreamController, _EventHandler); - function AudioStreamController(hls) { - _classCallCheck(this, AudioStreamController); +var UINT32_MAX = Math.pow(2, 32) - 1; - var _this = _possibleConstructorReturn(this, (AudioStreamController.__proto__ || Object.getPrototypeOf(AudioStreamController)).call(this, hls, _events2.default.MEDIA_ATTACHED, _events2.default.MEDIA_DETACHING, _events2.default.AUDIO_TRACKS_UPDATED, _events2.default.AUDIO_TRACK_SWITCHING, _events2.default.AUDIO_TRACK_LOADED, _events2.default.KEY_LOADED, _events2.default.FRAG_LOADED, _events2.default.FRAG_PARSING_INIT_SEGMENT, _events2.default.FRAG_PARSING_DATA, _events2.default.FRAG_PARSED, _events2.default.ERROR, _events2.default.BUFFER_CREATED, _events2.default.BUFFER_APPENDED, _events2.default.BUFFER_FLUSHED, _events2.default.INIT_PTS_FOUND)); +var mp4demuxer_MP4Demuxer = function () { + function MP4Demuxer(observer, remuxer) { + mp4demuxer__classCallCheck(this, MP4Demuxer); - _this.config = hls.config; - _this.audioCodecSwap = false; - _this.ticks = 0; - _this._state = State.STOPPED; - _this.ontick = _this.tick.bind(_this); - _this.initPTS = []; - _this.waitingFragment = null; - return _this; + this.observer = observer; + this.remuxer = remuxer; } - _createClass(AudioStreamController, [{ - key: 'destroy', - value: function destroy() { - this.stopLoad(); - if (this.timer) { - clearInterval(this.timer); - this.timer = null; - } - _eventHandler2.default.prototype.destroy.call(this); - this.state = State.STOPPED; - } + MP4Demuxer.prototype.resetTimeStamp = function resetTimeStamp(initPTS) { + this.initPTS = initPTS; + }; - //Signal that video PTS was found + MP4Demuxer.prototype.resetInitSegment = function resetInitSegment(initSegment, audioCodec, videoCodec, duration) { + //jshint unused:false + if (initSegment && initSegment.byteLength) { + var initData = this.initData = MP4Demuxer.parseInitSegment(initSegment); - }, { - key: 'onInitPtsFound', - value: function onInitPtsFound(data) { - var demuxerId = data.id, - cc = data.frag.cc, - initPTS = data.initPTS; - if (demuxerId === 'main') { - //Always update the new INIT PTS - //Can change due level switch - this.initPTS[cc] = initPTS; - _logger.logger.log('InitPTS for cc:' + cc + ' found from video track:' + initPTS); - - //If we are waiting we need to demux/remux the waiting frag - //With the new initPTS - if (this.state === State.WAITING_INIT_PTS) { - _logger.logger.log('sending pending audio frag to demuxer'); - this.state = State.FRAG_LOADING; - //We have audio frag waiting or video pts - //Let process it - this.onFragLoaded(this.waitingFragment); - //Lets clean the waiting frag - this.waitingFragment = null; - } + // default audio codec if nothing specified + // TODO : extract that from initsegment + if (audioCodec == null) { + audioCodec = 'mp4a.40.5'; } - } - }, { - key: 'startLoad', - value: function startLoad(startPosition) { - if (this.tracks) { - var lastCurrentTime = this.lastCurrentTime; - this.stopLoad(); - if (!this.timer) { - this.timer = setInterval(this.ontick, 100); + if (videoCodec == null) { + videoCodec = 'avc1.42e01e'; + } + var tracks = {}; + if (initData.audio && initData.video) { + tracks.audiovideo = { container: 'video/mp4', codec: audioCodec + ',' + videoCodec, initSegment: duration ? initSegment : null }; + } else { + if (initData.audio) { + tracks.audio = { container: 'audio/mp4', codec: audioCodec, initSegment: duration ? initSegment : null }; } - this.fragLoadError = 0; - if (lastCurrentTime > 0 && startPosition === -1) { - _logger.logger.log('audio:override startPosition with lastCurrentTime @' + lastCurrentTime.toFixed(3)); - this.state = State.IDLE; - } else { - this.lastCurrentTime = this.startPosition ? this.startPosition : startPosition; - this.state = State.STARTING; + if (initData.video) { + tracks.video = { container: 'video/mp4', codec: videoCodec, initSegment: duration ? initSegment : null }; } - this.nextLoadPosition = this.startPosition = this.lastCurrentTime; - this.tick(); - } else { - this.startPosition = startPosition; - this.state = State.STOPPED; } - } - }, { - key: 'stopLoad', - value: function stopLoad() { - var frag = this.fragCurrent; - if (frag) { - if (frag.loader) { - frag.loader.abort(); - } - this.fragCurrent = null; + this.observer.trigger(events["a" /* default */].FRAG_PARSING_INIT_SEGMENT, { tracks: tracks }); + } else { + if (audioCodec) { + this.audioCodec = audioCodec; } - this.fragPrevious = null; - if (this.demuxer) { - this.demuxer.destroy(); - this.demuxer = null; + if (videoCodec) { + this.videoCodec = videoCodec; } - this.state = State.STOPPED; } - }, { - key: 'tick', - value: function tick() { - this.ticks++; - if (this.ticks === 1) { - this.doTick(); - if (this.ticks > 1) { - setTimeout(this.tick, 1); + }; + + MP4Demuxer.probe = function probe(data) { + // ensure we find a moof box in the first 16 kB + return MP4Demuxer.findBox({ data: data, start: 0, end: Math.min(data.length, 16384) }, ['moof']).length > 0; + }; + + MP4Demuxer.bin2str = function bin2str(buffer) { + return String.fromCharCode.apply(null, buffer); + }; + + MP4Demuxer.readUint32 = function readUint32(buffer, offset) { + if (buffer.data) { + offset += buffer.start; + buffer = buffer.data; + } + + var val = buffer[offset] << 24 | buffer[offset + 1] << 16 | buffer[offset + 2] << 8 | buffer[offset + 3]; + return val < 0 ? 4294967296 + val : val; + }; + + MP4Demuxer.writeUint32 = function writeUint32(buffer, offset, value) { + if (buffer.data) { + offset += buffer.start; + buffer = buffer.data; + } + buffer[offset] = value >> 24; + buffer[offset + 1] = value >> 16 & 0xff; + buffer[offset + 2] = value >> 8 & 0xff; + buffer[offset + 3] = value & 0xff; + }; + + // Find the data for a box specified by its path + + + MP4Demuxer.findBox = function findBox(data, path) { + var results = [], + i, + size, + type, + end, + subresults, + start, + endbox; + + if (data.data) { + start = data.start; + end = data.end; + data = data.data; + } else { + start = 0; + end = data.byteLength; + } + + if (!path.length) { + // short-circuit the search for empty paths + return null; + } + + for (i = start; i < end;) { + size = MP4Demuxer.readUint32(data, i); + type = MP4Demuxer.bin2str(data.subarray(i + 4, i + 8)); + endbox = size > 1 ? i + size : end; + + if (type === path[0]) { + + if (path.length === 1) { + // this is the end of the path and we've found the box we were + // looking for + results.push({ data: data, start: i + 8, end: endbox }); + } else { + // recursively search for the next box along the path + subresults = MP4Demuxer.findBox({ data: data, start: i + 8, end: endbox }, path.slice(1)); + if (subresults.length) { + results = results.concat(subresults); + } } - this.ticks = 0; } + i = endbox; } - }, { - key: 'doTick', - value: function doTick() { - var pos, - track, - trackDetails, - hls = this.hls, - config = hls.config; - //logger.log('audioStream:' + this.state); - switch (this.state) { - case State.ERROR: - //don't do anything in error state to avoid breaking further ... - case State.PAUSED: - //don't do anything in paused state either ... - case State.BUFFER_FLUSHING: - break; - case State.STARTING: - this.state = State.WAITING_TRACK; - this.loadedmetadata = false; - break; - case State.IDLE: - var tracks = this.tracks; - // audio tracks not received => exit loop - if (!tracks) { - break; - } - // if video not attached AND - // start fragment already requested OR start frag prefetch disable - // exit loop - // => if media not attached but start frag prefetch is enabled and start frag not requested yet, we will not exit loop - if (!this.media && (this.startFragRequested || !config.startFragPrefetch)) { - break; - } - // determine next candidate fragment to be loaded, based on current position and - // end of buffer position - // if we have not yet loaded any fragment, start loading from start position - if (this.loadedmetadata) { - pos = this.media.currentTime; - } else { - pos = this.nextLoadPosition; - } - var media = this.mediaBuffer ? this.mediaBuffer : this.media, - bufferInfo = _bufferHelper2.default.bufferInfo(media, pos, config.maxBufferHole), - bufferLen = bufferInfo.len, - bufferEnd = bufferInfo.end, - fragPrevious = this.fragPrevious, - maxBufLen = config.maxMaxBufferLength, - audioSwitch = this.audioSwitch, - trackId = this.trackId; - - // if buffer length is less than maxBufLen try to load a new fragment - if ((bufferLen < maxBufLen || audioSwitch) && trackId < tracks.length) { - trackDetails = tracks[trackId].details; - // if track info not retrieved yet, switch state and wait for track retrieval - if (typeof trackDetails === 'undefined') { - this.state = State.WAITING_TRACK; - break; - } - // we just got done loading the final fragment, check if we need to finalize media stream - if (!audioSwitch && !trackDetails.live && fragPrevious && fragPrevious.sn === trackDetails.endSN) { - // if we are not seeking or if we are seeking but everything (almost) til the end is buffered, let's signal eos - // we don't compare exactly media.duration === bufferInfo.end as there could be some subtle media duration difference when switching - // between different renditions. using half frag duration should help cope with these cases. - if (!this.media.seeking || this.media.duration - bufferEnd < fragPrevious.duration / 2) { - // Finalize the media stream - this.hls.trigger(_events2.default.BUFFER_EOS, { type: 'audio' }); - this.state = State.ENDED; - break; - } - } + // we've finished searching all of data + return results; + }; - // find fragment index, contiguous with end of buffer position - var fragments = trackDetails.fragments, - fragLen = fragments.length, - start = fragments[0].start, - end = fragments[fragLen - 1].start + fragments[fragLen - 1].duration, - frag = void 0; - - // When switching audio track, reload audio as close as possible to currentTime - if (audioSwitch) { - if (trackDetails.live && !trackDetails.PTSKnown) { - _logger.logger.log('switching audiotrack, live stream, unknown PTS,load first fragment'); - bufferEnd = 0; - } else { - bufferEnd = pos; - // if currentTime (pos) is less than alt audio playlist start time, it means that alt audio is ahead of currentTime - if (trackDetails.PTSKnown && pos < start) { - // if everything is buffered from pos to start or if audio buffer upfront, let's seek to start - if (bufferInfo.end > start || bufferInfo.nextStart) { - _logger.logger.log('alt audio track ahead of main track, seek to start of alt audio track'); - this.media.currentTime = start + 0.05; - } else { - return; - } - } - } - } - if (trackDetails.initSegment && !trackDetails.initSegment.data) { - frag = trackDetails.initSegment; - } - // if bufferEnd before start of playlist, load first fragment - else if (bufferEnd <= start) { - frag = fragments[0]; - if (trackDetails.live && frag.loadIdx && frag.loadIdx === this.fragLoadIdx) { - // we just loaded this first fragment, and we are still lagging behind the start of the live playlist - // let's force seek to start - var nextBuffered = bufferInfo.nextStart ? bufferInfo.nextStart : start; - _logger.logger.log('no alt audio available @currentTime:' + this.media.currentTime + ', seeking @' + (nextBuffered + 0.05)); - this.media.currentTime = nextBuffered + 0.05; - return; - } - } else { - var foundFrag = void 0; - var maxFragLookUpTolerance = config.maxFragLookUpTolerance; - var fragNext = fragPrevious ? fragments[fragPrevious.sn - fragments[0].sn + 1] : undefined; - var fragmentWithinToleranceTest = function fragmentWithinToleranceTest(candidate) { - // offset should be within fragment boundary - config.maxFragLookUpTolerance - // this is to cope with situations like - // bufferEnd = 9.991 - // frag[Ø] : [0,10] - // frag[1] : [10,20] - // bufferEnd is within frag[0] range ... although what we are expecting is to return frag[1] here - // frag start frag start+duration - // |-----------------------------| - // <---> <---> - // ...--------><-----------------------------><---------.... - // previous frag matching fragment next frag - // return -1 return 0 return 1 - //logger.log(`level/sn/start/end/bufEnd:${level}/${candidate.sn}/${candidate.start}/${(candidate.start+candidate.duration)}/${bufferEnd}`); - // Set the lookup tolerance to be small enough to detect the current segment - ensures we don't skip over very small segments - var candidateLookupTolerance = Math.min(maxFragLookUpTolerance, candidate.duration); - if (candidate.start + candidate.duration - candidateLookupTolerance <= bufferEnd) { - return 1; - } // if maxFragLookUpTolerance will have negative value then don't return -1 for first element - else if (candidate.start - candidateLookupTolerance > bufferEnd && candidate.start) { - return -1; - } - return 0; - }; + /** + * Parses an MP4 initialization segment and extracts stream type and + * timescale values for any declared tracks. Timescale values indicate the + * number of clock ticks per second to assume for time-based values + * elsewhere in the MP4. + * + * To determine the start time of an MP4, you need two pieces of + * information: the timescale unit and the earliest base media decode + * time. Multiple timescales can be specified within an MP4 but the + * base media decode time is always expressed in the timescale from + * the media header box for the track: + * ``` + * moov > trak > mdia > mdhd.timescale + * moov > trak > mdia > hdlr + * ``` + * @param init {Uint8Array} the bytes of the init segment + * @return {object} a hash of track type to timescale values or null if + * the init segment is malformed. + */ - if (bufferEnd < end) { - if (bufferEnd > end - maxFragLookUpTolerance) { - maxFragLookUpTolerance = 0; - } - // Prefer the next fragment if it's within tolerance - if (fragNext && !fragmentWithinToleranceTest(fragNext)) { - foundFrag = fragNext; - } else { - foundFrag = _binarySearch2.default.search(fragments, fragmentWithinToleranceTest); - } - } else { - // reach end of playlist - foundFrag = fragments[fragLen - 1]; - } - if (foundFrag) { - frag = foundFrag; - start = foundFrag.start; - //logger.log('find SN matching with pos:' + bufferEnd + ':' + frag.sn); - if (fragPrevious && frag.level === fragPrevious.level && frag.sn === fragPrevious.sn) { - if (frag.sn < trackDetails.endSN) { - frag = fragments[frag.sn + 1 - trackDetails.startSN]; - _logger.logger.log('SN just loaded, load next one: ' + frag.sn); - } else { - frag = null; - } - } - } - } - if (frag) { - //logger.log(' loading frag ' + i +',pos/bufEnd:' + pos.toFixed(3) + '/' + bufferEnd.toFixed(3)); - if (frag.decryptdata && frag.decryptdata.uri != null && frag.decryptdata.key == null) { - _logger.logger.log('Loading key for ' + frag.sn + ' of [' + trackDetails.startSN + ' ,' + trackDetails.endSN + '],track ' + trackId); - this.state = State.KEY_LOADING; - hls.trigger(_events2.default.KEY_LOADING, { frag: frag }); - } else { - _logger.logger.log('Loading ' + frag.sn + ' of [' + trackDetails.startSN + ' ,' + trackDetails.endSN + '],track ' + trackId + ', currentTime:' + pos + ',bufferEnd:' + bufferEnd.toFixed(3)); - // ensure that we are not reloading the same fragments in loop ... - if (this.fragLoadIdx !== undefined) { - this.fragLoadIdx++; - } else { - this.fragLoadIdx = 0; - } - if (frag.loadCounter) { - frag.loadCounter++; - var maxThreshold = config.fragLoadingLoopThreshold; - // if this frag has already been loaded 3 times, and if it has been reloaded recently - if (frag.loadCounter > maxThreshold && Math.abs(this.fragLoadIdx - frag.loadIdx) < maxThreshold) { - hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.MEDIA_ERROR, details: _errors.ErrorDetails.FRAG_LOOP_LOADING_ERROR, fatal: false, frag: frag }); - return; - } - } else { - frag.loadCounter = 1; - } - frag.loadIdx = this.fragLoadIdx; - this.fragCurrent = frag; - this.startFragRequested = true; - if (!isNaN(frag.sn)) { - this.nextLoadPosition = frag.start + frag.duration; - } - hls.trigger(_events2.default.FRAG_LOADING, { frag: frag }); - this.state = State.FRAG_LOADING; + + MP4Demuxer.parseInitSegment = function parseInitSegment(initSegment) { + var result = []; + var traks = MP4Demuxer.findBox(initSegment, ['moov', 'trak']); + + traks.forEach(function (trak) { + var tkhd = MP4Demuxer.findBox(trak, ['tkhd'])[0]; + if (tkhd) { + var version = tkhd.data[tkhd.start]; + var index = version === 0 ? 12 : 20; + var trackId = MP4Demuxer.readUint32(tkhd, index); + + var mdhd = MP4Demuxer.findBox(trak, ['mdia', 'mdhd'])[0]; + if (mdhd) { + version = mdhd.data[mdhd.start]; + index = version === 0 ? 12 : 20; + var timescale = MP4Demuxer.readUint32(mdhd, index); + + var hdlr = MP4Demuxer.findBox(trak, ['mdia', 'hdlr'])[0]; + if (hdlr) { + var hdlrType = MP4Demuxer.bin2str(hdlr.data.subarray(hdlr.start + 8, hdlr.start + 12)); + var type = { 'soun': 'audio', 'vide': 'video' }[hdlrType]; + if (type) { + // extract codec info. TODO : parse codec details to be able to build MIME type + var codecBox = MP4Demuxer.findBox(trak, ['mdia', 'minf', 'stbl', 'stsd']); + if (codecBox.length) { + codecBox = codecBox[0]; + var codecType = MP4Demuxer.bin2str(codecBox.data.subarray(codecBox.start + 12, codecBox.start + 16)); + logger["b" /* logger */].log('MP4Demuxer:' + type + ':' + codecType + ' found'); } + result[trackId] = { timescale: timescale, type: type }; + result[type] = { timescale: timescale, id: trackId }; } } - break; - case State.WAITING_TRACK: - track = this.tracks[this.trackId]; - // check if playlist is already loaded - if (track && track.details) { - this.state = State.IDLE; - } - break; - case State.FRAG_LOADING_WAITING_RETRY: - var now = performance.now(); - var retryDate = this.retryDate; - media = this.media; - var isSeeking = media && media.seeking; - // if current time is gt than retryDate, or if media seeking let's switch to IDLE state to retry loading - if (!retryDate || now >= retryDate || isSeeking) { - _logger.logger.log('audioStreamController: retryDate reached, switch back to IDLE state'); - this.state = State.IDLE; - } - break; - case State.WAITING_INIT_PTS: - case State.STOPPED: - case State.FRAG_LOADING: - case State.PARSING: - case State.PARSED: - case State.ENDED: - break; - default: - break; - } - } - }, { - key: 'onMediaAttached', - value: function onMediaAttached(data) { - var media = this.media = this.mediaBuffer = data.media; - this.onvseeking = this.onMediaSeeking.bind(this); - this.onvended = this.onMediaEnded.bind(this); - media.addEventListener('seeking', this.onvseeking); - media.addEventListener('ended', this.onvended); - var config = this.config; - if (this.tracks && config.autoStartLoad) { - this.startLoad(config.startPosition); + } } - } - }, { - key: 'onMediaDetaching', - value: function onMediaDetaching() { - var media = this.media; - if (media && media.ended) { - _logger.logger.log('MSE detaching and video ended, reset startPosition'); - this.startPosition = this.lastCurrentTime = 0; - } - - // reset fragment loading counter on MSE detaching to avoid reporting FRAG_LOOP_LOADING_ERROR after error recovery - var tracks = this.tracks; - if (tracks) { - // reset fragment load counter - tracks.forEach(function (track) { - if (track.details) { - track.details.fragments.forEach(function (fragment) { - fragment.loadCounter = undefined; - }); + }); + return result; + }; + + /** + * Determine the base media decode start time, in seconds, for an MP4 + * fragment. If multiple fragments are specified, the earliest time is + * returned. + * + * The base media decode time can be parsed from track fragment + * metadata: + * ``` + * moof > traf > tfdt.baseMediaDecodeTime + * ``` + * It requires the timescale value from the mdhd to interpret. + * + * @param timescale {object} a hash of track ids to timescale values. + * @return {number} the earliest base media decode start time for the + * fragment, in seconds + */ + + + MP4Demuxer.getStartDTS = function getStartDTS(initData, fragment) { + var trafs, baseTimes, result; + + // we need info from two childrend of each track fragment box + trafs = MP4Demuxer.findBox(fragment, ['moof', 'traf']); + + // determine the start times for each track + baseTimes = [].concat.apply([], trafs.map(function (traf) { + return MP4Demuxer.findBox(traf, ['tfhd']).map(function (tfhd) { + var id, scale, baseTime; + + // get the track id from the tfhd + id = MP4Demuxer.readUint32(tfhd, 4); + // assume a 90kHz clock if no timescale was specified + scale = initData[id].timescale || 90e3; + + // get the base media decode time from the tfdt + baseTime = MP4Demuxer.findBox(traf, ['tfdt']).map(function (tfdt) { + var version, result; + + version = tfdt.data[tfdt.start]; + result = MP4Demuxer.readUint32(tfdt, 4); + if (version === 1) { + result *= Math.pow(2, 32); + + result += MP4Demuxer.readUint32(tfdt, 8); + } + return result; + })[0]; + // convert base time to seconds + return baseTime / scale; + }); + })); + + // return the minimum + result = Math.min.apply(null, baseTimes); + return isFinite(result) ? result : 0; + }; + + MP4Demuxer.offsetStartDTS = function offsetStartDTS(initData, fragment, timeOffset) { + MP4Demuxer.findBox(fragment, ['moof', 'traf']).map(function (traf) { + return MP4Demuxer.findBox(traf, ['tfhd']).map(function (tfhd) { + // get the track id from the tfhd + var id = MP4Demuxer.readUint32(tfhd, 4); + // assume a 90kHz clock if no timescale was specified + var timescale = initData[id].timescale || 90e3; + + // get the base media decode time from the tfdt + MP4Demuxer.findBox(traf, ['tfdt']).map(function (tfdt) { + var version = tfdt.data[tfdt.start]; + var baseMediaDecodeTime = MP4Demuxer.readUint32(tfdt, 4); + if (version === 0) { + MP4Demuxer.writeUint32(tfdt, 4, baseMediaDecodeTime - timeOffset * timescale); + } else { + baseMediaDecodeTime *= Math.pow(2, 32); + baseMediaDecodeTime += MP4Demuxer.readUint32(tfdt, 8); + baseMediaDecodeTime -= timeOffset * timescale; + baseMediaDecodeTime = Math.max(baseMediaDecodeTime, 0); + var upper = Math.floor(baseMediaDecodeTime / (UINT32_MAX + 1)); + var lower = Math.floor(baseMediaDecodeTime % (UINT32_MAX + 1)); + MP4Demuxer.writeUint32(tfdt, 4, upper); + MP4Demuxer.writeUint32(tfdt, 8, lower); } }); - } - // remove video listeners - if (media) { - media.removeEventListener('seeking', this.onvseeking); - media.removeEventListener('ended', this.onvended); - this.onvseeking = this.onvseeked = this.onvended = null; - } - this.media = this.mediaBuffer = null; - this.loadedmetadata = false; - this.stopLoad(); - } - }, { - key: 'onMediaSeeking', - value: function onMediaSeeking() { - if (this.state === State.ENDED) { - // switch to IDLE state to check for potential new fragment - this.state = State.IDLE; - } - if (this.media) { - this.lastCurrentTime = this.media.currentTime; - } - // avoid reporting fragment loop loading error in case user is seeking several times on same position - if (this.fragLoadIdx !== undefined) { - this.fragLoadIdx += 2 * this.config.fragLoadingLoopThreshold; - } - // tick to speed up processing - this.tick(); - } - }, { - key: 'onMediaEnded', - value: function onMediaEnded() { - // reset startPosition and lastCurrentTime to restart playback @ stream beginning - this.startPosition = this.lastCurrentTime = 0; + }); + }); + }; + + // feed incoming data to the front of the parsing pipeline + + + MP4Demuxer.prototype.append = function append(data, timeOffset, contiguous, accurateTimeOffset) { + var initData = this.initData; + if (!initData) { + this.resetInitSegment(data, this.audioCodec, this.videoCodec); + initData = this.initData; } - }, { - key: 'onAudioTracksUpdated', - value: function onAudioTracksUpdated(data) { - _logger.logger.log('audio tracks updated'); - this.tracks = data.audioTracks; + var startDTS = void 0, + initPTS = this.initPTS; + if (initPTS === undefined) { + var _startDTS = MP4Demuxer.getStartDTS(initData, data); + this.initPTS = initPTS = _startDTS - timeOffset; + this.observer.trigger(events["a" /* default */].INIT_PTS_FOUND, { initPTS: initPTS }); } - }, { - key: 'onAudioTrackSwitching', - value: function onAudioTrackSwitching(data) { - // if any URL found on new audio track, it is an alternate audio track - var altAudio = !!data.url; - this.trackId = data.id; - this.state = State.IDLE; + MP4Demuxer.offsetStartDTS(initData, data, initPTS); + startDTS = MP4Demuxer.getStartDTS(initData, data); + this.remuxer.remux(initData.audio, initData.video, null, null, startDTS, contiguous, accurateTimeOffset, data); + }; + + MP4Demuxer.prototype.destroy = function destroy() {}; + + return MP4Demuxer; +}(); - this.fragCurrent = null; - this.state = State.PAUSED; - this.waitingFragment = null; - // destroy useless demuxer when switching audio to main - if (!altAudio) { - if (this.demuxer) { - this.demuxer.destroy(); - this.demuxer = null; +/* harmony default export */ var mp4demuxer = (mp4demuxer_MP4Demuxer); +// CONCATENATED MODULE: ./src/demux/mpegaudio.js +/** + * MPEG parser helper + */ + +var MpegAudio = { + + BitratesMap: [32, 64, 96, 128, 160, 192, 224, 256, 288, 320, 352, 384, 416, 448, 32, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320, 384, 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320, 32, 48, 56, 64, 80, 96, 112, 128, 144, 160, 176, 192, 224, 256, 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160], + + SamplingRateMap: [44100, 48000, 32000, 22050, 24000, 16000, 11025, 12000, 8000], + + appendFrame: function appendFrame(track, data, offset, pts, frameIndex) { + // Using http://www.datavoyage.com/mpgscript/mpeghdr.htm as a reference + if (offset + 24 > data.length) { + return undefined; } - } else { - // switching to audio track, start timer if not already started - if (!this.timer) { - this.timer = setInterval(this.ontick, 100); + + var header = this.parseHeader(data, offset); + if (header && offset + header.frameLength <= data.length) { + var frameDuration = 1152 * 90000 / header.sampleRate; + var stamp = pts + frameIndex * frameDuration; + var sample = { unit: data.subarray(offset, offset + header.frameLength), pts: stamp, dts: stamp }; + + track.config = []; + track.channelCount = header.channelCount; + track.samplerate = header.sampleRate; + track.samples.push(sample); + track.len += header.frameLength; + + return { sample: sample, length: header.frameLength }; } - } - //should we switch tracks ? - if (altAudio) { - this.audioSwitch = true; - //main audio track are handled by stream-controller, just do something if switching to alt audio track - this.state = State.IDLE; - // increase fragment load Index to avoid frag loop loading error after buffer flush - if (this.fragLoadIdx !== undefined) { - this.fragLoadIdx += 2 * this.config.fragLoadingLoopThreshold; + return undefined; + }, + + parseHeader: function parseHeader(data, offset) { + var headerB = data[offset + 1] >> 3 & 3; + var headerC = data[offset + 1] >> 1 & 3; + var headerE = data[offset + 2] >> 4 & 15; + var headerF = data[offset + 2] >> 2 & 3; + var headerG = !!(data[offset + 2] & 2); + if (headerB !== 1 && headerE !== 0 && headerE !== 15 && headerF !== 3) { + var columnInBitrates = headerB === 3 ? 3 - headerC : headerC === 3 ? 3 : 4; + var bitRate = MpegAudio.BitratesMap[columnInBitrates * 14 + headerE - 1] * 1000; + var columnInSampleRates = headerB === 3 ? 0 : headerB === 2 ? 1 : 2; + var sampleRate = MpegAudio.SamplingRateMap[columnInSampleRates * 3 + headerF]; + var padding = headerG ? 1 : 0; + var channelCount = data[offset + 3] >> 6 === 3 ? 1 : 2; // If bits of channel mode are `11` then it is a single channel (Mono) + var frameLength = headerC === 3 ? (headerB === 3 ? 12 : 6) * bitRate / sampleRate + padding << 2 : (headerB === 3 ? 144 : 72) * bitRate / sampleRate + padding | 0; + + return { sampleRate: sampleRate, channelCount: channelCount, frameLength: frameLength }; } - } - this.tick(); - } - }, { - key: 'onAudioTrackLoaded', - value: function onAudioTrackLoaded(data) { - var newDetails = data.details, - trackId = data.id, - track = this.tracks[trackId], - duration = newDetails.totalduration, - sliding = 0; - _logger.logger.log('track ' + trackId + ' loaded [' + newDetails.startSN + ',' + newDetails.endSN + '],duration:' + duration); + return undefined; + }, - if (newDetails.live) { - var curDetails = track.details; - if (curDetails && newDetails.fragments.length > 0) { - // we already have details for that level, merge them - _levelHelper2.default.mergeDetails(curDetails, newDetails); - sliding = newDetails.fragments[0].start; - // TODO - //this.liveSyncPosition = this.computeLivePosition(sliding, curDetails); - if (newDetails.PTSKnown) { - _logger.logger.log('live audio playlist sliding:' + sliding.toFixed(3)); - } else { - _logger.logger.log('live audio playlist - outdated PTS, unknown sliding'); - } - } else { - newDetails.PTSKnown = false; - _logger.logger.log('live audio playlist - first load, unknown sliding'); + isHeaderPattern: function isHeaderPattern(data, offset) { + return data[offset] === 0xff && (data[offset + 1] & 0xe0) === 0xe0 && (data[offset + 1] & 0x06) !== 0x00; + }, + + isHeader: function isHeader(data, offset) { + // Look for MPEG header | 1111 1111 | 111X XYZX | where X can be either 0 or 1 and Y or Z should be 1 + // Layer bits (position 14 and 15) in header should be always different from 0 (Layer I or Layer II or Layer III) + // More info http://www.mp3-tech.org/programmer/frame_header.html + if (offset + 1 < data.length && this.isHeaderPattern(data, offset)) { + return true; } - } else { - newDetails.PTSKnown = false; - } - track.details = newDetails; + return false; + }, - // compute start position - if (!this.startFragRequested) { - // compute start position if set to -1. use it straight away if value is defined - if (this.startPosition === -1) { - // first, check if start time offset has been set in playlist, if yes, use this value - var startTimeOffset = newDetails.startTimeOffset; - if (!isNaN(startTimeOffset)) { - _logger.logger.log('start time offset found in playlist, adjust startPosition to ' + startTimeOffset); - this.startPosition = startTimeOffset; - } else { - this.startPosition = 0; - } + probe: function probe(data, offset) { + // same as isHeader but we also check that MPEG frame follows last MPEG frame + // or end of data is reached + if (offset + 1 < data.length && this.isHeaderPattern(data, offset)) { + // MPEG header Length + var headerLength = 4; + // MPEG frame Length + var header = this.parseHeader(data, offset); + var frameLength = headerLength; + if (header && header.frameLength) { + frameLength = header.frameLength; + } + var newOffset = offset + frameLength; + if (newOffset === data.length || newOffset + 1 < data.length && this.isHeaderPattern(data, newOffset)) { + return true; + } } - this.nextLoadPosition = this.startPosition; - } - // only switch batck to IDLE state if we were waiting for track to start downloading a new fragment - if (this.state === State.WAITING_TRACK) { - this.state = State.IDLE; - } - //trigger handler right now - this.tick(); - } - }, { - key: 'onKeyLoaded', - value: function onKeyLoaded() { - if (this.state === State.KEY_LOADING) { - this.state = State.IDLE; - this.tick(); - } + return false; } - }, { - key: 'onFragLoaded', - value: function onFragLoaded(data) { - var fragCurrent = this.fragCurrent, - fragLoaded = data.frag; - if (this.state === State.FRAG_LOADING && fragCurrent && fragLoaded.type === 'audio' && fragLoaded.level === fragCurrent.level && fragLoaded.sn === fragCurrent.sn) { - var track = this.tracks[this.trackId], - details = track.details, - duration = details.totalduration, - trackId = fragCurrent.level, - sn = fragCurrent.sn, - cc = fragCurrent.cc, - audioCodec = this.config.defaultAudioCodec || track.audioCodec || 'mp4a.40.2', - stats = this.stats = data.stats; - if (sn === 'initSegment') { - this.state = State.IDLE; +}; - stats.tparsed = stats.tbuffered = performance.now(); - details.initSegment.data = data.payload; - this.hls.trigger(_events2.default.FRAG_BUFFERED, { stats: stats, frag: fragCurrent, id: 'audio' }); - this.tick(); - } else { - this.state = State.PARSING; - // transmux the MPEG-TS data to ISO-BMFF segments - this.appended = false; - if (!this.demuxer) { - this.demuxer = new _demuxer2.default(this.hls, 'audio'); - } - //Check if we have video initPTS - // If not we need to wait for it - var initPTS = this.initPTS[cc]; - var initSegmentData = details.initSegment ? details.initSegment.data : []; - if (details.initSegment || initPTS !== undefined) { - this.pendingBuffering = true; - _logger.logger.log('Demuxing ' + sn + ' of [' + details.startSN + ' ,' + details.endSN + '],track ' + trackId); - // time Offset is accurate if level PTS is known, or if playlist is not sliding (not live) - var accurateTimeOffset = false; //details.PTSKnown || !details.live; - this.demuxer.push(data.payload, initSegmentData, audioCodec, null, fragCurrent, duration, accurateTimeOffset, initPTS); - } else { - _logger.logger.log('unknown video PTS for continuity counter ' + cc + ', waiting for video PTS before demuxing audio frag ' + sn + ' of [' + details.startSN + ' ,' + details.endSN + '],track ' + trackId); - this.waitingFragment = data; - this.state = State.WAITING_INIT_PTS; - } - } - } - this.fragLoadError = 0; +/* harmony default export */ var mpegaudio = (MpegAudio); +// CONCATENATED MODULE: ./src/demux/exp-golomb.js +function exp_golomb__classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + +/** + * Parser for exponential Golomb codes, a variable-bitwidth number encoding scheme used by h264. +*/ + + + +var exp_golomb_ExpGolomb = function () { + function ExpGolomb(data) { + exp_golomb__classCallCheck(this, ExpGolomb); + + this.data = data; + // the number of bytes left to examine in this.data + this.bytesAvailable = data.byteLength; + // the current word being examined + this.word = 0; // :uint + // the number of bits left to examine in the current word + this.bitsAvailable = 0; // :uint + } + + // ():void + + + ExpGolomb.prototype.loadWord = function loadWord() { + var data = this.data, + bytesAvailable = this.bytesAvailable, + position = data.byteLength - bytesAvailable, + workingBytes = new Uint8Array(4), + availableBytes = Math.min(4, bytesAvailable); + if (availableBytes === 0) { + throw new Error('no bytes available'); } - }, { - key: 'onFragParsingInitSegment', - value: function onFragParsingInitSegment(data) { - var fragCurrent = this.fragCurrent; - var fragNew = data.frag; - if (fragCurrent && data.id === 'audio' && fragNew.sn === fragCurrent.sn && fragNew.level === fragCurrent.level && this.state === State.PARSING) { - var tracks = data.tracks, - track = void 0; - - // delete any video track found on audio demuxer - if (tracks.video) { - delete tracks.video; - } - - // include levelCodec in audio and video tracks - track = tracks.audio; - if (track) { - track.levelCodec = 'mp4a.40.2'; - track.id = data.id; - this.hls.trigger(_events2.default.BUFFER_CODECS, tracks); - _logger.logger.log('audio track:audio,container:' + track.container + ',codecs[level/parsed]=[' + track.levelCodec + '/' + track.codec + ']'); - var initSegment = track.initSegment; - if (initSegment) { - var appendObj = { type: 'audio', data: initSegment, parent: 'audio', content: 'initSegment' }; - if (this.audioSwitch) { - this.pendingData = [appendObj]; - } else { - this.appended = true; - // arm pending Buffering flag before appending a segment - this.pendingBuffering = true; - this.hls.trigger(_events2.default.BUFFER_APPENDING, appendObj); - } - } - //trigger handler right now - this.tick(); - } - } + workingBytes.set(data.subarray(position, position + availableBytes)); + this.word = new DataView(workingBytes.buffer).getUint32(0); + // track the amount of this.data that has been processed + this.bitsAvailable = availableBytes * 8; + this.bytesAvailable -= availableBytes; + }; + + // (count:int):void + + + ExpGolomb.prototype.skipBits = function skipBits(count) { + var skipBytes; // :int + if (this.bitsAvailable > count) { + this.word <<= count; + this.bitsAvailable -= count; + } else { + count -= this.bitsAvailable; + skipBytes = count >> 3; + count -= skipBytes >> 3; + this.bytesAvailable -= skipBytes; + this.loadWord(); + this.word <<= count; + this.bitsAvailable -= count; } - }, { - key: 'onFragParsingData', - value: function onFragParsingData(data) { - var _this2 = this; + }; - var fragCurrent = this.fragCurrent; - var fragNew = data.frag; - if (fragCurrent && data.id === 'audio' && data.type === 'audio' && fragNew.sn === fragCurrent.sn && fragNew.level === fragCurrent.level && this.state === State.PARSING) { - var trackId = this.trackId, - track = this.tracks[trackId], - hls = this.hls; + // (size:int):uint - if (isNaN(data.endPTS)) { - data.endPTS = data.startPTS + fragCurrent.duration; - data.endDTS = data.startDTS + fragCurrent.duration; - } - - _logger.logger.log('parsed ' + data.type + ',PTS:[' + data.startPTS.toFixed(3) + ',' + data.endPTS.toFixed(3) + '],DTS:[' + data.startDTS.toFixed(3) + '/' + data.endDTS.toFixed(3) + '],nb:' + data.nb); - _levelHelper2.default.updateFragPTSDTS(track.details, fragCurrent, data.startPTS, data.endPTS); - - var audioSwitch = this.audioSwitch, - media = this.media, - appendOnBufferFlush = false; - //Only flush audio from old audio tracks when PTS is known on new audio track - if (audioSwitch && media) { - if (media.readyState) { - var currentTime = media.currentTime; - _logger.logger.log('switching audio track : currentTime:' + currentTime); - if (currentTime >= data.startPTS) { - _logger.logger.log('switching audio track : flushing all audio'); - this.state = State.BUFFER_FLUSHING; - hls.trigger(_events2.default.BUFFER_FLUSHING, { startOffset: 0, endOffset: Number.POSITIVE_INFINITY, type: 'audio' }); - appendOnBufferFlush = true; - //Lets announce that the initial audio track switch flush occur - this.audioSwitch = false; - hls.trigger(_events2.default.AUDIO_TRACK_SWITCHED, { id: trackId }); - } - } else { - //Lets announce that the initial audio track switch flush occur - this.audioSwitch = false; - hls.trigger(_events2.default.AUDIO_TRACK_SWITCHED, { id: trackId }); - } - } - var pendingData = this.pendingData; - if (!this.audioSwitch) { - [data.data1, data.data2].forEach(function (buffer) { - if (buffer && buffer.length) { - pendingData.push({ type: data.type, data: buffer, parent: 'audio', content: 'data' }); - } - }); - if (!appendOnBufferFlush && pendingData.length) { - pendingData.forEach(function (appendObj) { - // only append in PARSING state (rationale is that an appending error could happen synchronously on first segment appending) - // in that case it is useless to append following segments - if (_this2.state === State.PARSING) { - // arm pending Buffering flag before appending a segment - _this2.pendingBuffering = true; - _this2.hls.trigger(_events2.default.BUFFER_APPENDING, appendObj); - } - }); - this.pendingData = []; - this.appended = true; - } - } - //trigger handler right now - this.tick(); - } + ExpGolomb.prototype.readBits = function readBits(size) { + var bits = Math.min(this.bitsAvailable, size), + // :uint + valu = this.word >>> 32 - bits; // :uint + if (size > 32) { + logger["b" /* logger */].error('Cannot read more than 32 bits at a time'); } - }, { - key: 'onFragParsed', - value: function onFragParsed(data) { - var fragCurrent = this.fragCurrent; - var fragNew = data.frag; - if (fragCurrent && data.id === 'audio' && fragNew.sn === fragCurrent.sn && fragNew.level === fragCurrent.level && this.state === State.PARSING) { - this.stats.tparsed = performance.now(); - this.state = State.PARSED; - this._checkAppendedParsed(); - } + this.bitsAvailable -= bits; + if (this.bitsAvailable > 0) { + this.word <<= bits; + } else if (this.bytesAvailable > 0) { + this.loadWord(); } - }, { - key: 'onBufferCreated', - value: function onBufferCreated(data) { - var audioTrack = data.tracks.audio; - if (audioTrack) { - this.mediaBuffer = audioTrack.buffer; - this.loadedmetadata = true; - } + bits = size - bits; + if (bits > 0 && this.bitsAvailable) { + return valu << bits | this.readBits(bits); + } else { + return valu; } - }, { - key: 'onBufferAppended', - value: function onBufferAppended(data) { - if (data.parent === 'audio') { - var state = this.state; - if (state === State.PARSING || state === State.PARSED) { - // check if all buffers have been appended - this.pendingBuffering = data.pending > 0; - this._checkAppendedParsed(); - } + }; + + // ():uint + + + ExpGolomb.prototype.skipLZ = function skipLZ() { + var leadingZeroCount; // :uint + for (leadingZeroCount = 0; leadingZeroCount < this.bitsAvailable; ++leadingZeroCount) { + if (0 !== (this.word & 0x80000000 >>> leadingZeroCount)) { + // the first bit of working word is 1 + this.word <<= leadingZeroCount; + this.bitsAvailable -= leadingZeroCount; + return leadingZeroCount; } } - }, { - key: '_checkAppendedParsed', - value: function _checkAppendedParsed() { - //trigger handler right now - if (this.state === State.PARSED && (!this.appended || !this.pendingBuffering)) { - var frag = this.fragCurrent, - stats = this.stats, - hls = this.hls; - if (frag) { - this.fragPrevious = frag; - stats.tbuffered = performance.now(); - hls.trigger(_events2.default.FRAG_BUFFERED, { stats: stats, frag: frag, id: 'audio' }); - var media = this.mediaBuffer ? this.mediaBuffer : this.media; - _logger.logger.log('audio buffered : ' + _timeRanges2.default.toString(media.buffered)); - if (this.audioSwitch && this.appended) { - this.audioSwitch = false; - hls.trigger(_events2.default.AUDIO_TRACK_SWITCHED, { id: this.trackId }); - } - this.state = State.IDLE; - } - this.tick(); - } + // we exhausted word and still have not found a 1 + this.loadWord(); + return leadingZeroCount + this.skipLZ(); + }; + + // ():void + + + ExpGolomb.prototype.skipUEG = function skipUEG() { + this.skipBits(1 + this.skipLZ()); + }; + + // ():void + + + ExpGolomb.prototype.skipEG = function skipEG() { + this.skipBits(1 + this.skipLZ()); + }; + + // ():uint + + + ExpGolomb.prototype.readUEG = function readUEG() { + var clz = this.skipLZ(); // :uint + return this.readBits(clz + 1) - 1; + }; + + // ():int + + + ExpGolomb.prototype.readEG = function readEG() { + var valu = this.readUEG(); // :int + if (0x01 & valu) { + // the number is odd if the low order bit is set + return 1 + valu >>> 1; // add 1 to make it even, and divide by 2 + } else { + return -1 * (valu >>> 1); // divide by two then make it negative } - }, { - key: 'onError', - value: function onError(data) { - var frag = data.frag; - // don't handle frag error not related to audio fragment - if (frag && frag.type !== 'audio') { - return; + }; + + // Some convenience functions + // :Boolean + + + ExpGolomb.prototype.readBoolean = function readBoolean() { + return 1 === this.readBits(1); + }; + + // ():int + + + ExpGolomb.prototype.readUByte = function readUByte() { + return this.readBits(8); + }; + + // ():int + + + ExpGolomb.prototype.readUShort = function readUShort() { + return this.readBits(16); + }; + // ():int + + + ExpGolomb.prototype.readUInt = function readUInt() { + return this.readBits(32); + }; + + /** + * Advance the ExpGolomb decoder past a scaling list. The scaling + * list is optionally transmitted as part of a sequence parameter + * set and is not relevant to transmuxing. + * @param count {number} the number of entries in this scaling list + * @see Recommendation ITU-T H.264, Section 7.3.2.1.1.1 + */ + + + ExpGolomb.prototype.skipScalingList = function skipScalingList(count) { + var lastScale = 8, + nextScale = 8, + j, + deltaScale; + for (j = 0; j < count; j++) { + if (nextScale !== 0) { + deltaScale = this.readEG(); + nextScale = (lastScale + deltaScale + 256) % 256; } - switch (data.details) { - case _errors.ErrorDetails.FRAG_LOAD_ERROR: - case _errors.ErrorDetails.FRAG_LOAD_TIMEOUT: - if (!data.fatal) { - var loadError = this.fragLoadError; - if (loadError) { - loadError++; - } else { - loadError = 1; - } - var config = this.config; - if (loadError <= config.fragLoadingMaxRetry) { - this.fragLoadError = loadError; - // reset load counter to avoid frag loop loading error - frag.loadCounter = 0; - // exponential backoff capped to config.fragLoadingMaxRetryTimeout - var delay = Math.min(Math.pow(2, loadError - 1) * config.fragLoadingRetryDelay, config.fragLoadingMaxRetryTimeout); - _logger.logger.warn('audioStreamController: frag loading failed, retry in ' + delay + ' ms'); - this.retryDate = performance.now() + delay; - // retry loading state - this.state = State.FRAG_LOADING_WAITING_RETRY; - } else { - _logger.logger.error('audioStreamController: ' + data.details + ' reaches max retry, redispatch as fatal ...'); - // switch error to fatal - data.fatal = true; - this.state = State.ERROR; - } - } - break; - case _errors.ErrorDetails.FRAG_LOOP_LOADING_ERROR: - case _errors.ErrorDetails.AUDIO_TRACK_LOAD_ERROR: - case _errors.ErrorDetails.AUDIO_TRACK_LOAD_TIMEOUT: - case _errors.ErrorDetails.KEY_LOAD_ERROR: - case _errors.ErrorDetails.KEY_LOAD_TIMEOUT: - // when in ERROR state, don't switch back to IDLE state in case a non-fatal error is received - if (this.state !== State.ERROR) { - // if fatal error, stop processing, otherwise move to IDLE to retry loading - this.state = data.fatal ? State.ERROR : State.IDLE; - _logger.logger.warn('audioStreamController: ' + data.details + ' while loading frag,switch to ' + this.state + ' state ...'); - } - break; - case _errors.ErrorDetails.BUFFER_FULL_ERROR: - // if in appending state - if (data.parent === 'audio' && (this.state === State.PARSING || this.state === State.PARSED)) { - var media = this.mediaBuffer, - currentTime = this.media.currentTime, - mediaBuffered = media && _bufferHelper2.default.isBuffered(media, currentTime) && _bufferHelper2.default.isBuffered(media, currentTime + 0.5); - // reduce max buf len if current position is buffered - if (mediaBuffered) { - var _config = this.config; - if (_config.maxMaxBufferLength >= _config.maxBufferLength) { - // reduce max buffer length as it might be too high. we do this to avoid loop flushing ... - _config.maxMaxBufferLength /= 2; - _logger.logger.warn('audio:reduce max buffer length to ' + _config.maxMaxBufferLength + 's'); - // increase fragment load Index to avoid frag loop loading error after buffer flush - this.fragLoadIdx += 2 * _config.fragLoadingLoopThreshold; - } - this.state = State.IDLE; + lastScale = nextScale === 0 ? lastScale : nextScale; + } + }; + + /** + * Read a sequence parameter set and return some interesting video + * properties. A sequence parameter set is the H264 metadata that + * describes the properties of upcoming video frames. + * @param data {Uint8Array} the bytes of a sequence parameter set + * @return {object} an object with configuration parsed from the + * sequence parameter set, including the dimensions of the + * associated video frames. + */ + + + ExpGolomb.prototype.readSPS = function readSPS() { + var frameCropLeftOffset = 0, + frameCropRightOffset = 0, + frameCropTopOffset = 0, + frameCropBottomOffset = 0, + profileIdc, + profileCompat, + levelIdc, + numRefFramesInPicOrderCntCycle, + picWidthInMbsMinus1, + picHeightInMapUnitsMinus1, + frameMbsOnlyFlag, + scalingListCount, + i, + readUByte = this.readUByte.bind(this), + readBits = this.readBits.bind(this), + readUEG = this.readUEG.bind(this), + readBoolean = this.readBoolean.bind(this), + skipBits = this.skipBits.bind(this), + skipEG = this.skipEG.bind(this), + skipUEG = this.skipUEG.bind(this), + skipScalingList = this.skipScalingList.bind(this); + + readUByte(); + profileIdc = readUByte(); // profile_idc + profileCompat = readBits(5); // constraint_set[0-4]_flag, u(5) + skipBits(3); // reserved_zero_3bits u(3), + levelIdc = readUByte(); //level_idc u(8) + skipUEG(); // seq_parameter_set_id + // some profiles have more optional data we don't need + if (profileIdc === 100 || profileIdc === 110 || profileIdc === 122 || profileIdc === 244 || profileIdc === 44 || profileIdc === 83 || profileIdc === 86 || profileIdc === 118 || profileIdc === 128) { + var chromaFormatIdc = readUEG(); + if (chromaFormatIdc === 3) { + skipBits(1); // separate_colour_plane_flag + } + skipUEG(); // bit_depth_luma_minus8 + skipUEG(); // bit_depth_chroma_minus8 + skipBits(1); // qpprime_y_zero_transform_bypass_flag + if (readBoolean()) { + // seq_scaling_matrix_present_flag + scalingListCount = chromaFormatIdc !== 3 ? 8 : 12; + for (i = 0; i < scalingListCount; i++) { + if (readBoolean()) { + // seq_scaling_list_present_flag[ i ] + if (i < 6) { + skipScalingList(16); } else { - // current position is not buffered, but browser is still complaining about buffer full error - // this happens on IE/Edge, refer to https://github.com/video-dev/hls.js/pull/708 - // in that case flush the whole audio buffer to recover - _logger.logger.warn('buffer full error also media.currentTime is not buffered, flush audio buffer'); - this.fragCurrent = null; - // flush everything - this.state = State.BUFFER_FLUSHING; - this.hls.trigger(_events2.default.BUFFER_FLUSHING, { startOffset: 0, endOffset: Number.POSITIVE_INFINITY, type: 'audio' }); + skipScalingList(64); } } - break; - default: - break; - } - } - }, { - key: 'onBufferFlushed', - value: function onBufferFlushed() { - var _this3 = this; - - var pendingData = this.pendingData; - if (pendingData && pendingData.length) { - _logger.logger.log('appending pending audio data on Buffer Flushed'); - pendingData.forEach(function (appendObj) { - _this3.hls.trigger(_events2.default.BUFFER_APPENDING, appendObj); - }); - this.appended = true; - this.pendingData = []; - this.state = State.PARSED; - } else { - // move to IDLE once flush complete. this should trigger new fragment loading - this.state = State.IDLE; - // reset reference to frag - this.fragPrevious = null; - this.tick(); + } } } - }, { - key: 'state', - set: function set(nextState) { - if (this.state !== nextState) { - var previousState = this.state; - this._state = nextState; - _logger.logger.log('audio stream:' + previousState + '->' + nextState); + skipUEG(); // log2_max_frame_num_minus4 + var picOrderCntType = readUEG(); + if (picOrderCntType === 0) { + readUEG(); //log2_max_pic_order_cnt_lsb_minus4 + } else if (picOrderCntType === 1) { + skipBits(1); // delta_pic_order_always_zero_flag + skipEG(); // offset_for_non_ref_pic + skipEG(); // offset_for_top_to_bottom_field + numRefFramesInPicOrderCntCycle = readUEG(); + for (i = 0; i < numRefFramesInPicOrderCntCycle; i++) { + skipEG(); // offset_for_ref_frame[ i ] + } + } + skipUEG(); // max_num_ref_frames + skipBits(1); // gaps_in_frame_num_value_allowed_flag + picWidthInMbsMinus1 = readUEG(); + picHeightInMapUnitsMinus1 = readUEG(); + frameMbsOnlyFlag = readBits(1); + if (frameMbsOnlyFlag === 0) { + skipBits(1); // mb_adaptive_frame_field_flag + } + skipBits(1); // direct_8x8_inference_flag + if (readBoolean()) { + // frame_cropping_flag + frameCropLeftOffset = readUEG(); + frameCropRightOffset = readUEG(); + frameCropTopOffset = readUEG(); + frameCropBottomOffset = readUEG(); + } + var pixelRatio = [1, 1]; + if (readBoolean()) { + // vui_parameters_present_flag + if (readBoolean()) { + // aspect_ratio_info_present_flag + var aspectRatioIdc = readUByte(); + switch (aspectRatioIdc) { + case 1: + pixelRatio = [1, 1];break; + case 2: + pixelRatio = [12, 11];break; + case 3: + pixelRatio = [10, 11];break; + case 4: + pixelRatio = [16, 11];break; + case 5: + pixelRatio = [40, 33];break; + case 6: + pixelRatio = [24, 11];break; + case 7: + pixelRatio = [20, 11];break; + case 8: + pixelRatio = [32, 11];break; + case 9: + pixelRatio = [80, 33];break; + case 10: + pixelRatio = [18, 11];break; + case 11: + pixelRatio = [15, 11];break; + case 12: + pixelRatio = [64, 33];break; + case 13: + pixelRatio = [160, 99];break; + case 14: + pixelRatio = [4, 3];break; + case 15: + pixelRatio = [3, 2];break; + case 16: + pixelRatio = [2, 1];break; + case 255: + { + pixelRatio = [readUByte() << 8 | readUByte(), readUByte() << 8 | readUByte()]; + break; + } + } } - }, - get: function get() { - return this._state; } - }]); + return { + width: Math.ceil((picWidthInMbsMinus1 + 1) * 16 - frameCropLeftOffset * 2 - frameCropRightOffset * 2), + height: (2 - frameMbsOnlyFlag) * (picHeightInMapUnitsMinus1 + 1) * 16 - (frameMbsOnlyFlag ? 2 : 4) * (frameCropTopOffset + frameCropBottomOffset), + pixelRatio: pixelRatio + }; + }; - return AudioStreamController; -}(_eventHandler2.default); + ExpGolomb.prototype.readSliceType = function readSliceType() { + // skip NALu type + this.readUByte(); + // discard first_mb_in_slice + this.readUEG(); + // return slice_type + return this.readUEG(); + }; -exports.default = AudioStreamController; + return ExpGolomb; +}(); -},{"25":25,"33":33,"34":34,"35":35,"37":37,"38":38,"48":48,"53":53,"54":54}],7:[function(_dereq_,module,exports){ -'use strict'; +/* harmony default export */ var exp_golomb = (exp_golomb_ExpGolomb); +// CONCATENATED MODULE: ./src/demux/sample-aes.js +function sample_aes__classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } -Object.defineProperty(exports, "__esModule", { - value: true -}); +/** + * SAMPLE-AES decrypter +*/ -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); -var _events = _dereq_(35); -var _events2 = _interopRequireDefault(_events); +var sample_aes_SampleAesDecrypter = function () { + function SampleAesDecrypter(observer, config, decryptdata, discardEPB) { + sample_aes__classCallCheck(this, SampleAesDecrypter); -var _eventHandler = _dereq_(34); + this.decryptdata = decryptdata; + this.discardEPB = discardEPB; + this.decrypter = new crypt_decrypter["a" /* default */](observer, config); + } -var _eventHandler2 = _interopRequireDefault(_eventHandler); + SampleAesDecrypter.prototype.decryptBuffer = function decryptBuffer(encryptedData, callback) { + this.decrypter.decrypt(encryptedData, this.decryptdata.key.buffer, this.decryptdata.iv.buffer, callback); + }; -var _logger = _dereq_(53); + // AAC - encrypt all full 16 bytes blocks starting from offset 16 -function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + SampleAesDecrypter.prototype.decryptAacSample = function decryptAacSample(samples, sampleIndex, callback, sync) { + var curUnit = samples[sampleIndex].unit; + var encryptedData = curUnit.subarray(16, curUnit.length - curUnit.length % 16); + var encryptedBuffer = encryptedData.buffer.slice(encryptedData.byteOffset, encryptedData.byteOffset + encryptedData.length); -function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; } + var localthis = this; + this.decryptBuffer(encryptedBuffer, function (decryptedData) { + decryptedData = new Uint8Array(decryptedData); + curUnit.set(decryptedData, 16); -function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } /* - * audio track controller - */ + if (!sync) { + localthis.decryptAacSamples(samples, sampleIndex + 1, callback); + } + }); + }; -var AudioTrackController = function (_EventHandler) { - _inherits(AudioTrackController, _EventHandler); + SampleAesDecrypter.prototype.decryptAacSamples = function decryptAacSamples(samples, sampleIndex, callback) { + for (;; sampleIndex++) { + if (sampleIndex >= samples.length) { + callback(); + return; + } - function AudioTrackController(hls) { - _classCallCheck(this, AudioTrackController); + if (samples[sampleIndex].unit.length < 32) { + continue; + } - var _this = _possibleConstructorReturn(this, (AudioTrackController.__proto__ || Object.getPrototypeOf(AudioTrackController)).call(this, hls, _events2.default.MANIFEST_LOADING, _events2.default.MANIFEST_LOADED, _events2.default.AUDIO_TRACK_LOADED)); + var sync = this.decrypter.isSync(); - _this.ticks = 0; - _this.ontick = _this.tick.bind(_this); - return _this; - } + this.decryptAacSample(samples, sampleIndex, callback, sync); - _createClass(AudioTrackController, [{ - key: 'destroy', - value: function destroy() { - _eventHandler2.default.prototype.destroy.call(this); - } - }, { - key: 'tick', - value: function tick() { - this.ticks++; - if (this.ticks === 1) { - this.doTick(); - if (this.ticks > 1) { - setTimeout(this.tick, 1); - } - this.ticks = 0; - } - } - }, { - key: 'doTick', - value: function doTick() { - this.updateTrack(this.trackId); - } - }, { - key: 'onManifestLoading', - value: function onManifestLoading() { - // reset audio tracks on manifest loading - this.tracks = []; - this.trackId = -1; - } - }, { - key: 'onManifestLoaded', - value: function onManifestLoaded(data) { - var _this2 = this; - - var tracks = data.audioTracks || []; - var defaultFound = false; - this.tracks = tracks; - this.hls.trigger(_events2.default.AUDIO_TRACKS_UPDATED, { audioTracks: tracks }); - // loop through available audio tracks and autoselect default if needed - var id = 0; - tracks.forEach(function (track) { - if (track.default) { - _this2.audioTrack = id; - defaultFound = true; - return; - } - id++; - }); - if (defaultFound === false && tracks.length) { - _logger.logger.log('no default audio track defined, use first audio track as default'); - this.audioTrack = 0; - } - } - }, { - key: 'onAudioTrackLoaded', - value: function onAudioTrackLoaded(data) { - if (data.id < this.tracks.length) { - _logger.logger.log('audioTrack ' + data.id + ' loaded'); - this.tracks[data.id].details = data.details; - // check if current playlist is a live playlist - if (data.details.live && !this.timer) { - // if live playlist we will have to reload it periodically - // set reload period to playlist target duration - this.timer = setInterval(this.ontick, 1000 * data.details.targetduration); - } - if (!data.details.live && this.timer) { - // playlist is not live and timer is armed : stopping it - clearInterval(this.timer); - this.timer = null; - } + if (!sync) { + return; } } + }; - /** get alternate audio tracks list from playlist **/ + // AVC - encrypt one 16 bytes block out of ten, starting from offset 32 - }, { - key: 'setAudioTrackInternal', - value: function setAudioTrackInternal(newId) { - // check if level idx is valid - if (newId >= 0 && newId < this.tracks.length) { - // stopping live reloading timer if any - if (this.timer) { - clearInterval(this.timer); - this.timer = null; - } - this.trackId = newId; - _logger.logger.log('switching to audioTrack ' + newId); - var audioTrack = this.tracks[newId], - hls = this.hls, - type = audioTrack.type, - url = audioTrack.url, - eventObj = { id: newId, type: type, url: url }; - // keep AUDIO_TRACK_SWITCH for legacy reason - hls.trigger(_events2.default.AUDIO_TRACK_SWITCH, eventObj); - hls.trigger(_events2.default.AUDIO_TRACK_SWITCHING, eventObj); - // check if we need to load playlist for this audio Track - var details = audioTrack.details; - if (url && (details === undefined || details.live === true)) { - // track not retrieved yet, or live playlist we need to (re)load it - _logger.logger.log('(re)loading playlist for audioTrack ' + newId); - hls.trigger(_events2.default.AUDIO_TRACK_LOADING, { url: url, id: newId }); - } - } - } - }, { - key: 'updateTrack', - value: function updateTrack(newId) { - // check if level idx is valid - if (newId >= 0 && newId < this.tracks.length) { - // stopping live reloading timer if any - if (this.timer) { - clearInterval(this.timer); - this.timer = null; - } - this.trackId = newId; - _logger.logger.log('updating audioTrack ' + newId); - var audioTrack = this.tracks[newId], - url = audioTrack.url; - // check if we need to load playlist for this audio Track - var details = audioTrack.details; - if (url && (details === undefined || details.live === true)) { - // track not retrieved yet, or live playlist we need to (re)load it - _logger.logger.log('(re)loading playlist for audioTrack ' + newId); - this.hls.trigger(_events2.default.AUDIO_TRACK_LOADING, { url: url, id: newId }); - } - } + + SampleAesDecrypter.prototype.getAvcEncryptedData = function getAvcEncryptedData(decodedData) { + var encryptedDataLen = Math.floor((decodedData.length - 48) / 160) * 16 + 16; + var encryptedData = new Int8Array(encryptedDataLen); + var outputPos = 0; + for (var inputPos = 32; inputPos <= decodedData.length - 16; inputPos += 160, outputPos += 16) { + encryptedData.set(decodedData.subarray(inputPos, inputPos + 16), outputPos); } - }, { - key: 'audioTracks', - get: function get() { - return this.tracks; + return encryptedData; + }; + + SampleAesDecrypter.prototype.getAvcDecryptedUnit = function getAvcDecryptedUnit(decodedData, decryptedData) { + decryptedData = new Uint8Array(decryptedData); + var inputPos = 0; + for (var outputPos = 32; outputPos <= decodedData.length - 16; outputPos += 160, inputPos += 16) { + decodedData.set(decryptedData.subarray(inputPos, inputPos + 16), outputPos); } + return decodedData; + }; - /** get index of the selected audio track (index in audio track lists) **/ + SampleAesDecrypter.prototype.decryptAvcSample = function decryptAvcSample(samples, sampleIndex, unitIndex, callback, curUnit, sync) { + var decodedData = this.discardEPB(curUnit.data); + var encryptedData = this.getAvcEncryptedData(decodedData); + var localthis = this; - }, { - key: 'audioTrack', - get: function get() { - return this.trackId; - } + this.decryptBuffer(encryptedData.buffer, function (decryptedData) { + curUnit.data = localthis.getAvcDecryptedUnit(decodedData, decryptedData); - /** select an audio track, based on its index in audio track lists**/ - , - set: function set(audioTrackId) { - if (this.trackId !== audioTrackId || this.tracks[audioTrackId].details === undefined) { - this.setAudioTrackInternal(audioTrackId); + if (!sync) { + localthis.decryptAvcSamples(samples, sampleIndex, unitIndex + 1, callback); } - } - }]); - - return AudioTrackController; -}(_eventHandler2.default); + }); + }; -exports.default = AudioTrackController; + SampleAesDecrypter.prototype.decryptAvcSamples = function decryptAvcSamples(samples, sampleIndex, unitIndex, callback) { + for (;; sampleIndex++, unitIndex = 0) { + if (sampleIndex >= samples.length) { + callback(); + return; + } -},{"34":34,"35":35,"53":53}],8:[function(_dereq_,module,exports){ -'use strict'; + var curUnits = samples[sampleIndex].units; + for (;; unitIndex++) { + if (unitIndex >= curUnits.length) { + break; + } -Object.defineProperty(exports, "__esModule", { - value: true -}); + var curUnit = curUnits[unitIndex]; + if (curUnit.length <= 48 || curUnit.type !== 1 && curUnit.type !== 5) { + continue; + } -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); + var sync = this.decrypter.isSync(); -var _events = _dereq_(35); + this.decryptAvcSample(samples, sampleIndex, unitIndex, callback, curUnit, sync); -var _events2 = _interopRequireDefault(_events); + if (!sync) { + return; + } + } + } + }; -var _eventHandler = _dereq_(34); + return SampleAesDecrypter; +}(); -var _eventHandler2 = _interopRequireDefault(_eventHandler); +/* harmony default export */ var sample_aes = (sample_aes_SampleAesDecrypter); +// CONCATENATED MODULE: ./src/demux/tsdemuxer.js +function tsdemuxer__classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } -var _logger = _dereq_(53); +/** + * highly optimized TS demuxer: + * parse PAT, PMT + * extract PES packet from audio and video PIDs + * extract AVC/H264 NAL units and AAC/ADTS samples from PES packet + * trigger the remuxer upon parsing completion + * it also tries to workaround as best as it can audio codec switch (HE-AAC to AAC and vice versa), without having to restart the MediaSource. + * it also controls the remuxing process : + * upon discontinuity or level switch detection, it will also notifies the remuxer so that it can reset its state. +*/ -var _errors = _dereq_(33); -function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } -function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; } -function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } /* - * Buffer Controller - */ -var BufferController = function (_EventHandler) { - _inherits(BufferController, _EventHandler); +// import Hex from '../utils/hex'; - function BufferController(hls) { - _classCallCheck(this, BufferController); - // the value that we have set mediasource.duration to - // (the actual duration may be tweaked slighly by the browser) - var _this = _possibleConstructorReturn(this, (BufferController.__proto__ || Object.getPrototypeOf(BufferController)).call(this, hls, _events2.default.MEDIA_ATTACHING, _events2.default.MEDIA_DETACHING, _events2.default.MANIFEST_PARSED, _events2.default.BUFFER_RESET, _events2.default.BUFFER_APPENDING, _events2.default.BUFFER_CODECS, _events2.default.BUFFER_EOS, _events2.default.BUFFER_FLUSHING, _events2.default.LEVEL_PTS_UPDATED, _events2.default.LEVEL_UPDATED)); - _this._msDuration = null; - // the value that we want to set mediaSource.duration to - _this._levelDuration = null; +var tsdemuxer_TSDemuxer = function () { + function TSDemuxer(observer, remuxer, config, typeSupported) { + tsdemuxer__classCallCheck(this, TSDemuxer); - // Source Buffer listeners - _this.onsbue = _this.onSBUpdateEnd.bind(_this); - _this.onsbe = _this.onSBUpdateError.bind(_this); - _this.pendingTracks = {}; - _this.tracks = {}; - return _this; + this.observer = observer; + this.config = config; + this.typeSupported = typeSupported; + this.remuxer = remuxer; + this.sampleAes = null; } - _createClass(BufferController, [{ - key: 'destroy', - value: function destroy() { - _eventHandler2.default.prototype.destroy.call(this); + TSDemuxer.prototype.setDecryptData = function setDecryptData(decryptdata) { + if (decryptdata != null && decryptdata.key != null && decryptdata.method === 'SAMPLE-AES') { + this.sampleAes = new sample_aes(this.observer, this.config, decryptdata, this.discardEPB); + } else { + this.sampleAes = null; } - }, { - key: 'onLevelPtsUpdated', - value: function onLevelPtsUpdated(data) { - var type = data.type; - var audioTrack = this.tracks.audio; - - // Adjusting `SourceBuffer.timestampOffset` (desired point in the timeline where the next frames should be appended) - // in Chrome browser when we detect MPEG audio container and time delta between level PTS and `SourceBuffer.timestampOffset` - // is greater than 100ms (this is enough to handle seek for VOD or level change for LIVE videos). At the time of change we issue - // `SourceBuffer.abort()` and adjusting `SourceBuffer.timestampOffset` if `SourceBuffer.updating` is false or awaiting `updateend` - // event if SB is in updating state. - // More info here: https://github.com/video-dev/hls.js/issues/332#issuecomment-257986486 - - if (type === 'audio' && audioTrack && audioTrack.container === 'audio/mpeg') { - // Chrome audio mp3 track - var audioBuffer = this.sourceBuffer.audio; - var delta = Math.abs(audioBuffer.timestampOffset - data.start); - - // adjust timestamp offset if time delta is greater than 100ms - if (delta > 0.1) { - var updating = audioBuffer.updating; - - try { - audioBuffer.abort(); - } catch (err) { - updating = true; - _logger.logger.warn('can not abort audio buffer: ' + err); - } + }; - if (!updating) { - _logger.logger.warn('change mpeg audio timestamp offset from ' + audioBuffer.timestampOffset + ' to ' + data.start); - audioBuffer.timestampOffset = data.start; - } else { - this.audioTimestampOffset = data.start; - } - } - } - } - }, { - key: 'onManifestParsed', - value: function onManifestParsed(data) { - var audioExpected = data.audio, - videoExpected = data.video, - sourceBufferNb = 0; - // in case of alt audio 2 BUFFER_CODECS events will be triggered, one per stream controller - // sourcebuffers will be created all at once when the expected nb of tracks will be reached - // in case alt audio is not used, only one BUFFER_CODEC event will be fired from main stream controller - // it will contain the expected nb of source buffers, no need to compute it - if (data.altAudio && (audioExpected || videoExpected)) { - sourceBufferNb = (audioExpected ? 1 : 0) + (videoExpected ? 1 : 0); - _logger.logger.log(sourceBufferNb + ' sourceBuffer(s) expected'); - } - this.sourceBufferNb = sourceBufferNb; - } - }, { - key: 'onMediaAttaching', - value: function onMediaAttaching(data) { - var media = this.media = data.media; - if (media) { - // setup the media source - var ms = this.mediaSource = new MediaSource(); - //Media Source listeners - this.onmso = this.onMediaSourceOpen.bind(this); - this.onmse = this.onMediaSourceEnded.bind(this); - this.onmsc = this.onMediaSourceClose.bind(this); - ms.addEventListener('sourceopen', this.onmso); - ms.addEventListener('sourceended', this.onmse); - ms.addEventListener('sourceclose', this.onmsc); - // link video and media Source - media.src = URL.createObjectURL(ms); + TSDemuxer.probe = function probe(data) { + var syncOffset = TSDemuxer._syncOffset(data); + if (syncOffset < 0) { + return false; + } else { + if (syncOffset) { + logger["b" /* logger */].warn('MPEG2-TS detected but first sync word found @ offset ' + syncOffset + ', junk ahead ?'); } + return true; } - }, { - key: 'onMediaDetaching', - value: function onMediaDetaching() { - _logger.logger.log('media source detaching'); - var ms = this.mediaSource; - if (ms) { - if (ms.readyState === 'open') { - try { - // endOfStream could trigger exception if any sourcebuffer is in updating state - // we don't really care about checking sourcebuffer state here, - // as we are anyway detaching the MediaSource - // let's just avoid this exception to propagate - ms.endOfStream(); - } catch (err) { - _logger.logger.warn('onMediaDetaching:' + err.message + ' while calling endOfStream'); + }; + + TSDemuxer._syncOffset = function _syncOffset(data) { + // scan 1000 first bytes + var scanwindow = Math.min(1000, data.length - 3 * 188); + var i = 0; + while (i < scanwindow) { + // a TS fragment should contain at least 3 TS packets, a PAT, a PMT, and one PID, each starting with 0x47 + if (data[i] === 0x47 && data[i + 188] === 0x47 && data[i + 2 * 188] === 0x47) { + return i; + } else { + i++; + } + } + return -1; + }; + + TSDemuxer.prototype.resetInitSegment = function resetInitSegment(initSegment, audioCodec, videoCodec, duration) { + this.pmtParsed = false; + this._pmtId = -1; + this._avcTrack = { container: 'video/mp2t', type: 'video', id: -1, inputTimeScale: 90000, sequenceNumber: 0, samples: [], len: 0, dropped: 0 }; + this._audioTrack = { container: 'video/mp2t', type: 'audio', id: -1, inputTimeScale: 90000, duration: duration, sequenceNumber: 0, samples: [], len: 0, isAAC: true }; + this._id3Track = { type: 'id3', id: -1, inputTimeScale: 90000, sequenceNumber: 0, samples: [], len: 0 }; + this._txtTrack = { type: 'text', id: -1, inputTimeScale: 90000, sequenceNumber: 0, samples: [], len: 0 }; + // flush any partial content + this.aacOverFlow = null; + this.aacLastPTS = null; + this.avcSample = null; + this.audioCodec = audioCodec; + this.videoCodec = videoCodec; + this._duration = duration; + }; + + TSDemuxer.prototype.resetTimeStamp = function resetTimeStamp() {}; + + // feed incoming data to the front of the parsing pipeline + + + TSDemuxer.prototype.append = function append(data, timeOffset, contiguous, accurateTimeOffset) { + var start, + len = data.length, + stt, + pid, + atf, + offset, + pes, + unknownPIDs = false; + this.contiguous = contiguous; + var pmtParsed = this.pmtParsed, + avcTrack = this._avcTrack, + audioTrack = this._audioTrack, + id3Track = this._id3Track, + avcId = avcTrack.id, + audioId = audioTrack.id, + id3Id = id3Track.id, + pmtId = this._pmtId, + avcData = avcTrack.pesData, + audioData = audioTrack.pesData, + id3Data = id3Track.pesData, + parsePAT = this._parsePAT, + parsePMT = this._parsePMT, + parsePES = this._parsePES, + parseAVCPES = this._parseAVCPES.bind(this), + parseAACPES = this._parseAACPES.bind(this), + parseMPEGPES = this._parseMPEGPES.bind(this), + parseID3PES = this._parseID3PES.bind(this); + + var syncOffset = TSDemuxer._syncOffset(data); + + // don't parse last TS packet if incomplete + len -= (len + syncOffset) % 188; + + // loop through TS packets + for (start = syncOffset; start < len; start += 188) { + if (data[start] === 0x47) { + stt = !!(data[start + 1] & 0x40); + // pid is a 13-bit field starting at the last bit of TS[1] + pid = ((data[start + 1] & 0x1f) << 8) + data[start + 2]; + atf = (data[start + 3] & 0x30) >> 4; + // if an adaption field is present, its length is specified by the fifth byte of the TS packet header. + if (atf > 1) { + offset = start + 5 + data[start + 4]; + // continue if there is only adaptation field + if (offset === start + 188) { + continue; } + } else { + offset = start + 4; } - ms.removeEventListener('sourceopen', this.onmso); - ms.removeEventListener('sourceended', this.onmse); - ms.removeEventListener('sourceclose', this.onmsc); - - // Detach properly the MediaSource from the HTMLMediaElement as - // suggested in https://github.com/w3c/media-source/issues/53. - if (this.media) { - URL.revokeObjectURL(this.media.src); - this.media.removeAttribute('src'); - this.media.load(); + switch (pid) { + case avcId: + if (stt) { + if (avcData && (pes = parsePES(avcData))) { + parseAVCPES(pes, false); + } + avcData = { data: [], size: 0 }; + } + if (avcData) { + avcData.data.push(data.subarray(offset, start + 188)); + avcData.size += start + 188 - offset; + } + break; + case audioId: + if (stt) { + if (audioData && (pes = parsePES(audioData))) { + if (audioTrack.isAAC) { + parseAACPES(pes); + } else { + parseMPEGPES(pes); + } + } + audioData = { data: [], size: 0 }; + } + if (audioData) { + audioData.data.push(data.subarray(offset, start + 188)); + audioData.size += start + 188 - offset; + } + break; + case id3Id: + if (stt) { + if (id3Data && (pes = parsePES(id3Data))) { + parseID3PES(pes); + } + id3Data = { data: [], size: 0 }; + } + if (id3Data) { + id3Data.data.push(data.subarray(offset, start + 188)); + id3Data.size += start + 188 - offset; + } + break; + case 0: + if (stt) { + offset += data[offset] + 1; + } + pmtId = this._pmtId = parsePAT(data, offset); + break; + case pmtId: + if (stt) { + offset += data[offset] + 1; + } + var parsedPIDs = parsePMT(data, offset, this.typeSupported.mpeg === true || this.typeSupported.mp3 === true, this.sampleAes != null); + + // only update track id if track PID found while parsing PMT + // this is to avoid resetting the PID to -1 in case + // track PID transiently disappears from the stream + // this could happen in case of transient missing audio samples for example + avcId = parsedPIDs.avc; + if (avcId > 0) { + avcTrack.id = avcId; + } + audioId = parsedPIDs.audio; + if (audioId > 0) { + audioTrack.id = audioId; + audioTrack.isAAC = parsedPIDs.isAAC; + } + id3Id = parsedPIDs.id3; + if (id3Id > 0) { + id3Track.id = id3Id; + } + if (unknownPIDs && !pmtParsed) { + logger["b" /* logger */].log('reparse from beginning'); + unknownPIDs = false; + // we set it to -188, the += 188 in the for loop will reset start to 0 + start = syncOffset - 188; + } + pmtParsed = this.pmtParsed = true; + break; + case 17: + case 0x1fff: + break; + default: + unknownPIDs = true; + break; } - - this.mediaSource = null; - this.media = null; - this.pendingTracks = {}; - this.tracks = {}; - this.sourceBuffer = {}; - this.flushRange = []; - this.segments = []; - this.appended = 0; - } - this.onmso = this.onmse = this.onmsc = null; - this.hls.trigger(_events2.default.MEDIA_DETACHED); - } - }, { - key: 'onMediaSourceOpen', - value: function onMediaSourceOpen() { - _logger.logger.log('media source opened'); - this.hls.trigger(_events2.default.MEDIA_ATTACHED, { media: this.media }); - var mediaSource = this.mediaSource; - if (mediaSource) { - // once received, don't listen anymore to sourceopen event - mediaSource.removeEventListener('sourceopen', this.onmso); - } - this.checkPendingTracks(); - } - }, { - key: 'checkPendingTracks', - value: function checkPendingTracks() { - // if any buffer codecs pending, check if we have enough to create sourceBuffers - var pendingTracks = this.pendingTracks, - pendingTracksNb = Object.keys(pendingTracks).length; - // if any pending tracks and (if nb of pending tracks gt or equal than expected nb or if unknown expected nb) - if (pendingTracksNb && (this.sourceBufferNb <= pendingTracksNb || this.sourceBufferNb === 0)) { - // ok, let's create them now ! - this.createSourceBuffers(pendingTracks); - this.pendingTracks = {}; - // append any pending segments now ! - this.doAppending(); + } else { + this.observer.trigger(events["a" /* default */].ERROR, { type: errors["b" /* ErrorTypes */].MEDIA_ERROR, details: errors["a" /* ErrorDetails */].FRAG_PARSING_ERROR, fatal: false, reason: 'TS packet did not start with 0x47' }); } } - }, { - key: 'onMediaSourceClose', - value: function onMediaSourceClose() { - _logger.logger.log('media source closed'); - } - }, { - key: 'onMediaSourceEnded', - value: function onMediaSourceEnded() { - _logger.logger.log('media source ended'); + // try to parse last PES packets + if (avcData && (pes = parsePES(avcData))) { + parseAVCPES(pes, true); + avcTrack.pesData = null; + } else { + // either avcData null or PES truncated, keep it for next frag parsing + avcTrack.pesData = avcData; } - }, { - key: 'onSBUpdateEnd', - value: function onSBUpdateEnd() { - // update timestampOffset - if (this.audioTimestampOffset) { - var audioBuffer = this.sourceBuffer.audio; - _logger.logger.warn('change mpeg audio timestamp offset from ' + audioBuffer.timestampOffset + ' to ' + this.audioTimestampOffset); - audioBuffer.timestampOffset = this.audioTimestampOffset; - delete this.audioTimestampOffset; - } - if (this._needsFlush) { - this.doFlush(); - } - - if (this._needsEos) { - this.checkEos(); + if (audioData && (pes = parsePES(audioData))) { + if (audioTrack.isAAC) { + parseAACPES(pes); + } else { + parseMPEGPES(pes); } - this.appending = false; - var parent = this.parent; - // count nb of pending segments waiting for appending on this sourcebuffer - var pending = this.segments.reduce(function (counter, segment) { - return segment.parent === parent ? counter + 1 : counter; - }, 0); - this.hls.trigger(_events2.default.BUFFER_APPENDED, { parent: parent, pending: pending }); - - // don't append in flushing mode - if (!this._needsFlush) { - this.doAppending(); + audioTrack.pesData = null; + } else { + if (audioData && audioData.size) { + logger["b" /* logger */].log('last AAC PES packet truncated,might overlap between fragments'); } - - this.updateMediaElementDuration(); + // either audioData null or PES truncated, keep it for next frag parsing + audioTrack.pesData = audioData; } - }, { - key: 'onSBUpdateError', - value: function onSBUpdateError(event) { - _logger.logger.error('sourceBuffer error:', event); - // according to http://www.w3.org/TR/media-source/#sourcebuffer-append-error - // this error might not always be fatal (it is fatal if decode error is set, in that case - // it will be followed by a mediaElement error ...) - this.hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.MEDIA_ERROR, details: _errors.ErrorDetails.BUFFER_APPENDING_ERROR, fatal: false }); - // we don't need to do more than that, as accordin to the spec, updateend will be fired just after + + if (id3Data && (pes = parsePES(id3Data))) { + parseID3PES(pes); + id3Track.pesData = null; + } else { + // either id3Data null or PES truncated, keep it for next frag parsing + id3Track.pesData = id3Data; } - }, { - key: 'onBufferReset', - value: function onBufferReset() { - var sourceBuffer = this.sourceBuffer; - for (var type in sourceBuffer) { - var sb = sourceBuffer[type]; - try { - this.mediaSource.removeSourceBuffer(sb); - sb.removeEventListener('updateend', this.onsbue); - sb.removeEventListener('error', this.onsbe); - } catch (err) {} - } - this.sourceBuffer = {}; - this.flushRange = []; - this.segments = []; - this.appended = 0; + + if (this.sampleAes == null) { + this.remuxer.remux(audioTrack, avcTrack, id3Track, this._txtTrack, timeOffset, contiguous, accurateTimeOffset); + } else { + this.decryptAndRemux(audioTrack, avcTrack, id3Track, this._txtTrack, timeOffset, contiguous, accurateTimeOffset); } - }, { - key: 'onBufferCodecs', - value: function onBufferCodecs(tracks) { - // if source buffer(s) not created yet, appended buffer tracks in this.pendingTracks - // if sourcebuffers already created, do nothing ... - if (Object.keys(this.sourceBuffer).length === 0) { - for (var trackName in tracks) { - this.pendingTracks[trackName] = tracks[trackName]; - } - var mediaSource = this.mediaSource; - if (mediaSource && mediaSource.readyState === 'open') { - // try to create sourcebuffers if mediasource opened - this.checkPendingTracks(); - } - } + }; + + TSDemuxer.prototype.decryptAndRemux = function decryptAndRemux(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset) { + if (audioTrack.samples && audioTrack.isAAC) { + var localthis = this; + this.sampleAes.decryptAacSamples(audioTrack.samples, 0, function () { + localthis.decryptAndRemuxAvc(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset); + }); + } else { + this.decryptAndRemuxAvc(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset); } - }, { - key: 'createSourceBuffers', - value: function createSourceBuffers(tracks) { - var sourceBuffer = this.sourceBuffer, - mediaSource = this.mediaSource; + }; - for (var trackName in tracks) { - if (!sourceBuffer[trackName]) { - var track = tracks[trackName]; - // use levelCodec as first priority - var codec = track.levelCodec || track.codec; - var mimeType = track.container + ';codecs=' + codec; - _logger.logger.log('creating sourceBuffer(' + mimeType + ')'); - try { - var sb = sourceBuffer[trackName] = mediaSource.addSourceBuffer(mimeType); - sb.addEventListener('updateend', this.onsbue); - sb.addEventListener('error', this.onsbe); - this.tracks[trackName] = { codec: codec, container: track.container }; - track.buffer = sb; - } catch (err) { - _logger.logger.error('error while trying to add sourceBuffer:' + err.message); - this.hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.MEDIA_ERROR, details: _errors.ErrorDetails.BUFFER_ADD_CODEC_ERROR, fatal: false, err: err, mimeType: mimeType }); + TSDemuxer.prototype.decryptAndRemuxAvc = function decryptAndRemuxAvc(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset) { + if (videoTrack.samples) { + var localthis = this; + this.sampleAes.decryptAvcSamples(videoTrack.samples, 0, 0, function () { + localthis.remuxer.remux(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset); + }); + } else { + this.remuxer.remux(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset); + } + }; + + TSDemuxer.prototype.destroy = function destroy() { + this._initPTS = this._initDTS = undefined; + this._duration = 0; + }; + + TSDemuxer.prototype._parsePAT = function _parsePAT(data, offset) { + // skip the PSI header and parse the first PMT entry + return (data[offset + 10] & 0x1F) << 8 | data[offset + 11]; + //logger.log('PMT PID:' + this._pmtId); + }; + + TSDemuxer.prototype._parsePMT = function _parsePMT(data, offset, mpegSupported, isSampleAes) { + var sectionLength, + tableEnd, + programInfoLength, + pid, + result = { audio: -1, avc: -1, id3: -1, isAAC: true }; + sectionLength = (data[offset + 1] & 0x0f) << 8 | data[offset + 2]; + tableEnd = offset + 3 + sectionLength - 4; + // to determine where the table is, we have to figure out how + // long the program info descriptors are + programInfoLength = (data[offset + 10] & 0x0f) << 8 | data[offset + 11]; + // advance the offset to the first entry in the mapping table + offset += 12 + programInfoLength; + while (offset < tableEnd) { + pid = (data[offset + 1] & 0x1F) << 8 | data[offset + 2]; + switch (data[offset]) { + case 0xcf: + // SAMPLE-AES AAC + if (!isSampleAes) { + logger["b" /* logger */].log('unkown stream type:' + data[offset]); + break; } - } - } - this.hls.trigger(_events2.default.BUFFER_CREATED, { tracks: tracks }); - } - }, { - key: 'onBufferAppending', - value: function onBufferAppending(data) { - if (!this._needsFlush) { - if (!this.segments) { - this.segments = [data]; - } else { - this.segments.push(data); - } - this.doAppending(); - } - } - }, { - key: 'onBufferAppendFail', - value: function onBufferAppendFail(data) { - _logger.logger.error('sourceBuffer error:', data.event); - // according to http://www.w3.org/TR/media-source/#sourcebuffer-append-error - // this error might not always be fatal (it is fatal if decode error is set, in that case - // it will be followed by a mediaElement error ...) - this.hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.MEDIA_ERROR, details: _errors.ErrorDetails.BUFFER_APPENDING_ERROR, fatal: false }); - } + /* falls through */ + + // ISO/IEC 13818-7 ADTS AAC (MPEG-2 lower bit-rate audio) + case 0x0f: + //logger.log('AAC PID:' + pid); + if (result.audio === -1) { + result.audio = pid; + } + break; + + // Packetized metadata (ID3) + case 0x15: + //logger.log('ID3 PID:' + pid); + if (result.id3 === -1) { + result.id3 = pid; + } + break; - // on BUFFER_EOS mark matching sourcebuffer(s) as ended and trigger checkEos() + case 0xdb: + // SAMPLE-AES AVC + if (!isSampleAes) { + logger["b" /* logger */].log('unkown stream type:' + data[offset]); + break; + } + /* falls through */ - }, { - key: 'onBufferEos', - value: function onBufferEos(data) { - var sb = this.sourceBuffer; - var dataType = data.type; - for (var type in sb) { - if (!dataType || type === dataType) { - if (!sb[type].ended) { - sb[type].ended = true; - _logger.logger.log(type + ' sourceBuffer now EOS'); + // ITU-T Rec. H.264 and ISO/IEC 14496-10 (lower bit-rate video) + case 0x1b: + //logger.log('AVC PID:' + pid); + if (result.avc === -1) { + result.avc = pid; } - } - } - this.checkEos(); - } + break; - // if all source buffers are marked as ended, signal endOfStream() to MediaSource. + // ISO/IEC 11172-3 (MPEG-1 audio) + // or ISO/IEC 13818-3 (MPEG-2 halved sample rate audio) + case 0x03: + case 0x04: + //logger.log('MPEG PID:' + pid); + if (!mpegSupported) { + logger["b" /* logger */].log('MPEG audio found, not supported in this browser for now'); + } else if (result.audio === -1) { + result.audio = pid; + result.isAAC = false; + } + break; - }, { - key: 'checkEos', - value: function checkEos() { - var sb = this.sourceBuffer, - mediaSource = this.mediaSource; - if (!mediaSource || mediaSource.readyState !== 'open') { - this._needsEos = false; - return; - } - for (var type in sb) { - var sbobj = sb[type]; - if (!sbobj.ended) { - return; - } - if (sbobj.updating) { - this._needsEos = true; - return; - } - } - _logger.logger.log('all media data available, signal endOfStream() to MediaSource and stop loading fragment'); - //Notify the media element that it now has all of the media data - try { - mediaSource.endOfStream(); - } catch (e) { - _logger.logger.warn('exception while calling mediaSource.endOfStream()'); - } - this._needsEos = false; - } - }, { - key: 'onBufferFlushing', - value: function onBufferFlushing(data) { - this.flushRange.push({ start: data.startOffset, end: data.endOffset, type: data.type }); - // attempt flush immediatly - this.flushBufferCounter = 0; - this.doFlush(); - } - }, { - key: 'onLevelUpdated', - value: function onLevelUpdated(event) { - var details = event.details; - if (details.fragments.length === 0) { - return; + case 0x24: + logger["b" /* logger */].warn('HEVC stream type found, not supported for now'); + break; + + default: + logger["b" /* logger */].log('unkown stream type:' + data[offset]); + break; } - this._levelDuration = details.totalduration + details.fragments[0].start; - this.updateMediaElementDuration(); + // move to the next table entry + // skip past the elementary stream descriptors, if present + offset += ((data[offset + 3] & 0x0F) << 8 | data[offset + 4]) + 5; } + return result; + }; - // https://github.com/video-dev/hls.js/issues/355 + TSDemuxer.prototype._parsePES = function _parsePES(stream) { + var i = 0, + frag, + pesFlags, + pesPrefix, + pesLen, + pesHdrLen, + pesData, + pesPts, + pesDts, + payloadStartOffset, + data = stream.data; + // safety check + if (!stream || stream.size === 0) { + return null; + } - }, { - key: 'updateMediaElementDuration', - value: function updateMediaElementDuration() { - var media = this.media, - mediaSource = this.mediaSource, - sourceBuffer = this.sourceBuffer, - levelDuration = this._levelDuration; - if (levelDuration === null || !media || !mediaSource || !sourceBuffer || media.readyState === 0 || mediaSource.readyState !== 'open') { - return; - } - for (var type in sourceBuffer) { - if (sourceBuffer[type].updating) { - // can't set duration whilst a buffer is updating - return; - } - } - if (this._msDuration === null) { - // initialise to the value that the media source is reporting - this._msDuration = mediaSource.duration; - } - var duration = media.duration; - // levelDuration was the last value we set. - // not using mediaSource.duration as the browser may tweak this value - // only update mediasource duration if its value increase, this is to avoid - // flushing already buffered portion when switching between quality level - if (levelDuration > this._msDuration && levelDuration > duration || duration === Infinity || isNaN(duration)) { - _logger.logger.log('Updating mediasource duration to ' + levelDuration.toFixed(3)); - this._msDuration = mediaSource.duration = levelDuration; + // we might need up to 19 bytes to read PES header + // if first chunk of data is less than 19 bytes, let's merge it with following ones until we get 19 bytes + // usually only one merge is needed (and this is rare ...) + while (data[0].length < 19 && data.length > 1) { + var newData = new Uint8Array(data[0].length + data[1].length); + newData.set(data[0]); + newData.set(data[1], data[0].length); + data[0] = newData; + data.splice(1, 1); + } + //retrieve PTS/DTS from first fragment + frag = data[0]; + pesPrefix = (frag[0] << 16) + (frag[1] << 8) + frag[2]; + if (pesPrefix === 1) { + pesLen = (frag[4] << 8) + frag[5]; + // if PES parsed length is not zero and greater than total received length, stop parsing. PES might be truncated + // minus 6 : PES header size + if (pesLen && pesLen > stream.size - 6) { + return null; } - } - }, { - key: 'doFlush', - value: function doFlush() { - // loop through all buffer ranges to flush - while (this.flushRange.length) { - var range = this.flushRange[0]; - // flushBuffer will abort any buffer append in progress and flush Audio/Video Buffer - if (this.flushBuffer(range.start, range.end, range.type)) { - // range flushed, remove from flush array - this.flushRange.shift(); - this.flushBufferCounter = 0; + pesFlags = frag[7]; + if (pesFlags & 0xC0) { + /* PES header described here : http://dvd.sourceforge.net/dvdinfo/pes-hdr.html + as PTS / DTS is 33 bit we cannot use bitwise operator in JS, + as Bitwise operators treat their operands as a sequence of 32 bits */ + pesPts = (frag[9] & 0x0E) * 536870912 + // 1 << 29 + (frag[10] & 0xFF) * 4194304 + // 1 << 22 + (frag[11] & 0xFE) * 16384 + // 1 << 14 + (frag[12] & 0xFF) * 128 + // 1 << 7 + (frag[13] & 0xFE) / 2; + // check if greater than 2^32 -1 + if (pesPts > 4294967295) { + // decrement 2^33 + pesPts -= 8589934592; + } + if (pesFlags & 0x40) { + pesDts = (frag[14] & 0x0E) * 536870912 + // 1 << 29 + (frag[15] & 0xFF) * 4194304 + // 1 << 22 + (frag[16] & 0xFE) * 16384 + // 1 << 14 + (frag[17] & 0xFF) * 128 + // 1 << 7 + (frag[18] & 0xFE) / 2; + // check if greater than 2^32 -1 + if (pesDts > 4294967295) { + // decrement 2^33 + pesDts -= 8589934592; + } + if (pesPts - pesDts > 60 * 90000) { + logger["b" /* logger */].warn(Math.round((pesPts - pesDts) / 90000) + 's delta between PTS and DTS, align them'); + pesPts = pesDts; + } } else { - this._needsFlush = true; - // avoid looping, wait for SB update end to retrigger a flush - return; - } - } - if (this.flushRange.length === 0) { - // everything flushed - this._needsFlush = false; - - // let's recompute this.appended, which is used to avoid flush looping - var appended = 0; - var sourceBuffer = this.sourceBuffer; - try { - for (var type in sourceBuffer) { - appended += sourceBuffer[type].buffered.length; + pesDts = pesPts; + } + } + pesHdrLen = frag[8]; + // 9 bytes : 6 bytes for PES header + 3 bytes for PES extension + payloadStartOffset = pesHdrLen + 9; + + stream.size -= payloadStartOffset; + //reassemble PES packet + pesData = new Uint8Array(stream.size); + for (var j = 0, dataLen = data.length; j < dataLen; j++) { + frag = data[j]; + var len = frag.byteLength; + if (payloadStartOffset) { + if (payloadStartOffset > len) { + // trim full frag if PES header bigger than frag + payloadStartOffset -= len; + continue; + } else { + // trim partial frag if PES header smaller than frag + frag = frag.subarray(payloadStartOffset); + len -= payloadStartOffset; + payloadStartOffset = 0; } - } catch (error) { - // error could be thrown while accessing buffered, in case sourcebuffer has already been removed from MediaSource - // this is harmess at this stage, catch this to avoid reporting an internal exception - _logger.logger.error('error while accessing sourceBuffer.buffered'); } - this.appended = appended; - this.hls.trigger(_events2.default.BUFFER_FLUSHED); + pesData.set(frag, i); + i += len; } - } - }, { - key: 'doAppending', - value: function doAppending() { - var hls = this.hls, - sourceBuffer = this.sourceBuffer, - segments = this.segments; - if (Object.keys(sourceBuffer).length) { - if (this.media.error) { - this.segments = []; - _logger.logger.error('trying to append although a media error occured, flush segment and abort'); - return; - } - if (this.appending) { - //logger.log(`sb appending in progress`); - return; - } - if (segments && segments.length) { - var segment = segments.shift(); - try { - var type = segment.type, - sb = sourceBuffer[type]; - if (sb) { - if (!sb.updating) { - // reset sourceBuffer ended flag before appending segment - sb.ended = false; - //logger.log(`appending ${segment.content} ${type} SB, size:${segment.data.length}, ${segment.parent}`); - this.parent = segment.parent; - sb.appendBuffer(segment.data); - this.appendError = 0; - this.appended++; - this.appending = true; - } else { - segments.unshift(segment); - } - } else { - // in case we don't have any source buffer matching with this segment type, - // it means that Mediasource fails to create sourcebuffer - // discard this segment, and trigger update end - this.onSBUpdateEnd(); - } - } catch (err) { - // in case any error occured while appending, put back segment in segments table - _logger.logger.error('error while trying to append buffer:' + err.message); - segments.unshift(segment); - var event = { type: _errors.ErrorTypes.MEDIA_ERROR, parent: segment.parent }; - if (err.code !== 22) { - if (this.appendError) { - this.appendError++; - } else { - this.appendError = 1; - } - event.details = _errors.ErrorDetails.BUFFER_APPEND_ERROR; - /* with UHD content, we could get loop of quota exceeded error until - browser is able to evict some data from sourcebuffer. retrying help recovering this - */ - if (this.appendError > hls.config.appendErrorMaxRetry) { - _logger.logger.log('fail ' + hls.config.appendErrorMaxRetry + ' times to append segment in sourceBuffer'); - segments = []; - event.fatal = true; - hls.trigger(_events2.default.ERROR, event); - return; - } else { - event.fatal = false; - hls.trigger(_events2.default.ERROR, event); - } - } else { - // QuotaExceededError: http://www.w3.org/TR/html5/infrastructure.html#quotaexceedederror - // let's stop appending any segments, and report BUFFER_FULL_ERROR error - this.segments = []; - event.details = _errors.ErrorDetails.BUFFER_FULL_ERROR; - event.fatal = false; - hls.trigger(_events2.default.ERROR, event); - return; - } - } - } + if (pesLen) { + // payload size : remove PES header + PES extension + pesLen -= pesHdrLen + 3; } + return { data: pesData, pts: pesPts, dts: pesDts, len: pesLen }; + } else { + return null; } + }; - /* - flush specified buffered range, - return true once range has been flushed. - as sourceBuffer.remove() is asynchronous, flushBuffer will be retriggered on sourceBuffer update end - */ - - }, { - key: 'flushBuffer', - value: function flushBuffer(startOffset, endOffset, typeIn) { - var sb, - i, - bufStart, - bufEnd, - flushStart, - flushEnd, - sourceBuffer = this.sourceBuffer; - if (Object.keys(sourceBuffer).length) { - _logger.logger.log('flushBuffer,pos/start/end: ' + this.media.currentTime.toFixed(3) + '/' + startOffset + '/' + endOffset); - // safeguard to avoid infinite looping : don't try to flush more than the nb of appended segments - if (this.flushBufferCounter < this.appended) { - for (var type in sourceBuffer) { - // check if sourcebuffer type is defined (typeIn): if yes, let's only flush this one - // if no, let's flush all sourcebuffers - if (typeIn && type !== typeIn) { - continue; - } - sb = sourceBuffer[type]; - // we are going to flush buffer, mark source buffer as 'not ended' - sb.ended = false; - if (!sb.updating) { - try { - for (i = 0; i < sb.buffered.length; i++) { - bufStart = sb.buffered.start(i); - bufEnd = sb.buffered.end(i); - // workaround firefox not able to properly flush multiple buffered range. - if (navigator.userAgent.toLowerCase().indexOf('firefox') !== -1 && endOffset === Number.POSITIVE_INFINITY) { - flushStart = startOffset; - flushEnd = endOffset; - } else { - flushStart = Math.max(bufStart, startOffset); - flushEnd = Math.min(bufEnd, endOffset); - } - /* sometimes sourcebuffer.remove() does not flush - the exact expected time range. - to avoid rounding issues/infinite loop, - only flush buffer range of length greater than 500ms. - */ - if (Math.min(flushEnd, bufEnd) - flushStart > 0.5) { - this.flushBufferCounter++; - _logger.logger.log('flush ' + type + ' [' + flushStart + ',' + flushEnd + '], of [' + bufStart + ',' + bufEnd + '], pos:' + this.media.currentTime); - sb.remove(flushStart, flushEnd); - return false; - } - } - } catch (e) { - _logger.logger.warn('exception while accessing sourcebuffer, it might have been removed from MediaSource'); - } - } else { - //logger.log('abort ' + type + ' append in progress'); - // this will abort any appending in progress - //sb.abort(); - _logger.logger.warn('cannot flush, sb updating in progress'); - return false; - } - } - } else { - _logger.logger.warn('abort flushing too many retries'); - } - _logger.logger.log('buffer flushed'); + TSDemuxer.prototype.pushAccesUnit = function pushAccesUnit(avcSample, avcTrack) { + if (avcSample.units.length && avcSample.frame) { + var samples = avcTrack.samples; + var nbSamples = samples.length; + // only push AVC sample if starting with a keyframe is not mandatory OR + // if keyframe already found in this fragment OR + // keyframe found in last fragment (track.sps) AND + // samples already appended (we already found a keyframe in this fragment) OR fragment is contiguous + if (!this.config.forceKeyFrameOnDiscontinuity || avcSample.key === true || avcTrack.sps && (nbSamples || this.contiguous)) { + avcSample.id = nbSamples; + samples.push(avcSample); + } else { + // dropped samples, track it + avcTrack.dropped++; } - // everything flushed ! - return true; } - }]); + if (avcSample.debug.length) { + logger["b" /* logger */].log(avcSample.pts + '/' + avcSample.dts + ':' + avcSample.debug); + } + }; - return BufferController; -}(_eventHandler2.default); + TSDemuxer.prototype._parseAVCPES = function _parseAVCPES(pes, last) { + var _this = this; -exports.default = BufferController; + //logger.log('parse new PES'); + var track = this._avcTrack, + units = this._parseAVCNALu(pes.data), + debug = false, + expGolombDecoder, + avcSample = this.avcSample, + push, + spsfound = false, + i, + pushAccesUnit = this.pushAccesUnit.bind(this), + createAVCSample = function createAVCSample(key, pts, dts, debug) { + return { key: key, pts: pts, dts: dts, units: [], debug: debug }; + }; + //free pes.data to save up some memory + pes.data = null; -},{"33":33,"34":34,"35":35,"53":53}],9:[function(_dereq_,module,exports){ -'use strict'; + // if new NAL units found and last sample still there, let's push ... + // this helps parsing streams with missing AUD (only do this if AUD never found) + if (avcSample && units.length && !track.audFound) { + pushAccesUnit(avcSample, track); + avcSample = this.avcSample = createAVCSample(false, pes.pts, pes.dts, ''); + } -Object.defineProperty(exports, "__esModule", { - value: true -}); + units.forEach(function (unit) { + switch (unit.type) { + //NDR + case 1: + push = true; + if (!avcSample) { + avcSample = _this.avcSample = createAVCSample(true, pes.pts, pes.dts, ''); + } + if (debug) { + avcSample.debug += 'NDR '; + } + avcSample.frame = true; + var data = unit.data; + // only check slice type to detect KF in case SPS found in same packet (any keyframe is preceded by SPS ...) + if (spsfound && data.length > 4) { + // retrieve slice type by parsing beginning of NAL unit (follow H264 spec, slice_header definition) to detect keyframe embedded in NDR + var sliceType = new exp_golomb(data).readSliceType(); + // 2 : I slice, 4 : SI slice, 7 : I slice, 9: SI slice + // SI slice : A slice that is coded using intra prediction only and using quantisation of the prediction samples. + // An SI slice can be coded such that its decoded samples can be constructed identically to an SP slice. + // I slice: A slice that is not an SI slice that is decoded using intra prediction only. + //if (sliceType === 2 || sliceType === 7) { + if (sliceType === 2 || sliceType === 4 || sliceType === 7 || sliceType === 9) { + avcSample.key = true; + } + } + break; + //IDR + case 5: + push = true; + // handle PES not starting with AUD + if (!avcSample) { + avcSample = _this.avcSample = createAVCSample(true, pes.pts, pes.dts, ''); + } + if (debug) { + avcSample.debug += 'IDR '; + } + avcSample.key = true; + avcSample.frame = true; + break; + //SEI + case 6: + push = true; + if (debug && avcSample) { + avcSample.debug += 'SEI '; + } + expGolombDecoder = new exp_golomb(_this.discardEPB(unit.data)); -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); + // skip frameType + expGolombDecoder.readUByte(); -var _events = _dereq_(35); + var payloadType = 0; + var payloadSize = 0; + var endOfCaptions = false; + var b = 0; -var _events2 = _interopRequireDefault(_events); + while (!endOfCaptions && expGolombDecoder.bytesAvailable > 1) { + payloadType = 0; + do { + b = expGolombDecoder.readUByte(); + payloadType += b; + } while (b === 0xFF); -var _eventHandler = _dereq_(34); + // Parse payload size. + payloadSize = 0; + do { + b = expGolombDecoder.readUByte(); + payloadSize += b; + } while (b === 0xFF); -var _eventHandler2 = _interopRequireDefault(_eventHandler); + // TODO: there can be more than one payload in an SEI packet... + // TODO: need to read type and size in a while loop to get them all + if (payloadType === 4 && expGolombDecoder.bytesAvailable !== 0) { -function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + endOfCaptions = true; -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + var countryCode = expGolombDecoder.readUByte(); -function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; } + if (countryCode === 181) { + var providerCode = expGolombDecoder.readUShort(); -function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } /* - * cap stream level to media size dimension controller - */ + if (providerCode === 49) { + var userStructure = expGolombDecoder.readUInt(); -var CapLevelController = function (_EventHandler) { - _inherits(CapLevelController, _EventHandler); + if (userStructure === 0x47413934) { + var userDataType = expGolombDecoder.readUByte(); - function CapLevelController(hls) { - _classCallCheck(this, CapLevelController); + // Raw CEA-608 bytes wrapped in CEA-708 packet + if (userDataType === 3) { + var firstByte = expGolombDecoder.readUByte(); + var secondByte = expGolombDecoder.readUByte(); - return _possibleConstructorReturn(this, (CapLevelController.__proto__ || Object.getPrototypeOf(CapLevelController)).call(this, hls, _events2.default.FPS_DROP_LEVEL_CAPPING, _events2.default.MEDIA_ATTACHING, _events2.default.MANIFEST_PARSED)); - } + var totalCCs = 31 & firstByte; + var byteArray = [firstByte, secondByte]; - _createClass(CapLevelController, [{ - key: 'destroy', - value: function destroy() { - if (this.hls.config.capLevelToPlayerSize) { - this.media = this.restrictedLevels = null; - this.autoLevelCapping = Number.POSITIVE_INFINITY; - if (this.timer) { - this.timer = clearInterval(this.timer); - } - } - } - }, { - key: 'onFpsDropLevelCapping', - value: function onFpsDropLevelCapping(data) { - if (!this.restrictedLevels) { - this.restrictedLevels = []; - } - if (!this.isLevelRestricted(data.droppedLevel)) { - this.restrictedLevels.push(data.droppedLevel); + for (i = 0; i < totalCCs; i++) { + // 3 bytes per CC + byteArray.push(expGolombDecoder.readUByte()); + byteArray.push(expGolombDecoder.readUByte()); + byteArray.push(expGolombDecoder.readUByte()); + } + + _this._insertSampleInOrder(_this._txtTrack.samples, { type: 3, pts: pes.pts, bytes: byteArray }); + } + } + } + } + } else if (payloadSize < expGolombDecoder.bytesAvailable) { + for (i = 0; i < payloadSize; i++) { + expGolombDecoder.readUByte(); + } + } + } + break; + //SPS + case 7: + push = true; + spsfound = true; + if (debug && avcSample) { + avcSample.debug += 'SPS '; + } + if (!track.sps) { + expGolombDecoder = new exp_golomb(unit.data); + var config = expGolombDecoder.readSPS(); + track.width = config.width; + track.height = config.height; + track.pixelRatio = config.pixelRatio; + track.sps = [unit.data]; + track.duration = _this._duration; + var codecarray = unit.data.subarray(1, 4); + var codecstring = 'avc1.'; + for (i = 0; i < 3; i++) { + var h = codecarray[i].toString(16); + if (h.length < 2) { + h = '0' + h; + } + codecstring += h; + } + track.codec = codecstring; + } + break; + //PPS + case 8: + push = true; + if (debug && avcSample) { + avcSample.debug += 'PPS '; + } + if (!track.pps) { + track.pps = [unit.data]; + } + break; + // AUD + case 9: + push = false; + track.audFound = true; + if (avcSample) { + pushAccesUnit(avcSample, track); + } + avcSample = _this.avcSample = createAVCSample(false, pes.pts, pes.dts, debug ? 'AUD ' : ''); + break; + // Filler Data + case 12: + push = false; + break; + default: + push = false; + if (avcSample) { + avcSample.debug += 'unknown NAL ' + unit.type + ' '; + } + break; } - } - }, { - key: 'onMediaAttaching', - value: function onMediaAttaching(data) { - this.media = data.media instanceof HTMLVideoElement ? data.media : null; - } - }, { - key: 'onManifestParsed', - value: function onManifestParsed(data) { - var hls = this.hls; - if (hls.config.capLevelToPlayerSize) { - this.autoLevelCapping = Number.POSITIVE_INFINITY; - this.levels = data.levels; - hls.firstLevel = this.getMaxLevel(data.firstLevel); - clearInterval(this.timer); - this.timer = setInterval(this.detectPlayerSize.bind(this), 1000); - this.detectPlayerSize(); + if (avcSample && push) { + var _units = avcSample.units; + _units.push(unit); } + }); + // if last PES packet, push samples + if (last && avcSample) { + pushAccesUnit(avcSample, track); + this.avcSample = null; } - }, { - key: 'detectPlayerSize', - value: function detectPlayerSize() { - if (this.media) { - var levelsLength = this.levels ? this.levels.length : 0; - if (levelsLength) { - var hls = this.hls; - hls.autoLevelCapping = this.getMaxLevel(levelsLength - 1); - if (hls.autoLevelCapping > this.autoLevelCapping) { - // if auto level capping has a higher value for the previous one, flush the buffer using nextLevelSwitch - // usually happen when the user go to the fullscreen mode. - hls.streamController.nextLevelSwitch(); + }; + + TSDemuxer.prototype._insertSampleInOrder = function _insertSampleInOrder(arr, data) { + var len = arr.length; + if (len > 0) { + if (data.pts >= arr[len - 1].pts) { + arr.push(data); + } else { + for (var pos = len - 1; pos >= 0; pos--) { + if (data.pts < arr[pos].pts) { + arr.splice(pos, 0, data); + break; } - this.autoLevelCapping = hls.autoLevelCapping; } } + } else { + arr.push(data); } + }; - /* - * returns level should be the one with the dimensions equal or greater than the media (player) dimensions (so the video will be downscaled) - */ - - }, { - key: 'getMaxLevel', - value: function getMaxLevel(capLevelIndex) { - var result = 0, - i = void 0, - level = void 0, - mWidth = this.mediaWidth, - mHeight = this.mediaHeight, - lWidth = 0, - lHeight = 0; - - for (i = 0; i <= capLevelIndex; i++) { - level = this.levels[i]; - if (this.isLevelRestricted(i)) { - break; + TSDemuxer.prototype._getLastNalUnit = function _getLastNalUnit() { + var avcSample = this.avcSample, + lastUnit = void 0; + // try to fallback to previous sample if current one is empty + if (!avcSample || avcSample.units.length === 0) { + var track = this._avcTrack, + samples = track.samples; + avcSample = samples[samples.length - 1]; + } + if (avcSample) { + var units = avcSample.units; + lastUnit = units[units.length - 1]; + } + return lastUnit; + }; + + TSDemuxer.prototype._parseAVCNALu = function _parseAVCNALu(array) { + var i = 0, + len = array.byteLength, + value, + overflow, + track = this._avcTrack, + state = track.naluState || 0, + lastState = state; + var units = [], + unit, + unitType, + lastUnitStart = -1, + lastUnitType; + //logger.log('PES:' + Hex.hexDump(array)); + + if (state === -1) { + // special use case where we found 3 or 4-byte start codes exactly at the end of previous PES packet + lastUnitStart = 0; + // NALu type is value read from offset 0 + lastUnitType = array[0] & 0x1f; + state = 0; + i = 1; + } + + while (i < len) { + value = array[i++]; + // optimization. state 0 and 1 are the predominant case. let's handle them outside of the switch/case + if (!state) { + state = value ? 0 : 1; + continue; + } + if (state === 1) { + state = value ? 0 : 2; + continue; + } + // here we have state either equal to 2 or 3 + if (!value) { + state = 3; + } else if (value === 1) { + if (lastUnitStart >= 0) { + unit = { data: array.subarray(lastUnitStart, i - state - 1), type: lastUnitType }; + //logger.log('pushing NALU, type/size:' + unit.type + '/' + unit.data.byteLength); + units.push(unit); + } else { + // lastUnitStart is undefined => this is the first start code found in this PES packet + // first check if start code delimiter is overlapping between 2 PES packets, + // ie it started in last packet (lastState not zero) + // and ended at the beginning of this PES packet (i <= 4 - lastState) + var lastUnit = this._getLastNalUnit(); + if (lastUnit) { + if (lastState && i <= 4 - lastState) { + // start delimiter overlapping between PES packets + // strip start delimiter bytes from the end of last NAL unit + // check if lastUnit had a state different from zero + if (lastUnit.state) { + // strip last bytes + lastUnit.data = lastUnit.data.subarray(0, lastUnit.data.byteLength - lastState); + } + } + // If NAL units are not starting right at the beginning of the PES packet, push preceding data into previous NAL unit. + overflow = i - state - 1; + if (overflow > 0) { + //logger.log('first NALU found with overflow:' + overflow); + var tmp = new Uint8Array(lastUnit.data.byteLength + overflow); + tmp.set(lastUnit.data, 0); + tmp.set(array.subarray(0, overflow), lastUnit.data.byteLength); + lastUnit.data = tmp; + } + } } - result = i; - lWidth = level.width; - lHeight = level.height; - if (mWidth <= lWidth || mHeight <= lHeight) { - break; + // check if we can read unit type + if (i < len) { + unitType = array[i] & 0x1f; + //logger.log('find NALU @ offset:' + i + ',type:' + unitType); + lastUnitStart = i; + lastUnitType = unitType; + state = 0; + } else { + // not enough byte to read unit type. let's read it on next PES parsing + state = -1; } + } else { + state = 0; } - return result; - } - }, { - key: 'isLevelRestricted', - value: function isLevelRestricted(level) { - return this.restrictedLevels && this.restrictedLevels.indexOf(level) !== -1 ? true : false; - } - }, { - key: 'contentScaleFactor', - get: function get() { - var pixelRatio = 1; - try { - pixelRatio = window.devicePixelRatio; - } catch (e) {} - return pixelRatio; } - }, { - key: 'mediaWidth', - get: function get() { - var width = void 0; - var media = this.media; - if (media) { - width = media.width || media.clientWidth || media.offsetWidth; - width *= this.contentScaleFactor; - } - return width; + if (lastUnitStart >= 0 && state >= 0) { + unit = { data: array.subarray(lastUnitStart, len), type: lastUnitType, state: state }; + units.push(unit); + //logger.log('pushing NALU, type/size/state:' + unit.type + '/' + unit.data.byteLength + '/' + state); } - }, { - key: 'mediaHeight', - get: function get() { - var height = void 0; - var media = this.media; - if (media) { - height = media.height || media.clientHeight || media.offsetHeight; - height *= this.contentScaleFactor; + // no NALu found + if (units.length === 0) { + // append pes.data to previous NAL unit + var _lastUnit = this._getLastNalUnit(); + if (_lastUnit) { + var _tmp = new Uint8Array(_lastUnit.data.byteLength + array.byteLength); + _tmp.set(_lastUnit.data, 0); + _tmp.set(array, _lastUnit.data.byteLength); + _lastUnit.data = _tmp; } - return height; } - }]); - - return CapLevelController; -}(_eventHandler2.default); - -exports.default = CapLevelController; - -},{"34":34,"35":35}],10:[function(_dereq_,module,exports){ -'use strict'; - -Object.defineProperty(exports, "__esModule", { - value: true -}); - -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); - -var _events = _dereq_(35); - -var _events2 = _interopRequireDefault(_events); - -var _eventHandler = _dereq_(34); + track.naluState = state; + return units; + }; -var _eventHandler2 = _interopRequireDefault(_eventHandler); + /** + * remove Emulation Prevention bytes from a RBSP + */ -var _logger = _dereq_(53); -function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + TSDemuxer.prototype.discardEPB = function discardEPB(data) { + var length = data.byteLength, + EPBPositions = [], + i = 1, + newLength, + newData; -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + // Find all `Emulation Prevention Bytes` + while (i < length - 2) { + if (data[i] === 0 && data[i + 1] === 0 && data[i + 2] === 0x03) { + EPBPositions.push(i + 2); + i += 2; + } else { + i++; + } + } -function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; } + // If no Emulation Prevention Bytes were found just return the original + // array + if (EPBPositions.length === 0) { + return data; + } -function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } /* - * FPS Controller - */ + // Create a new array to hold the NAL unit data + newLength = length - EPBPositions.length; + newData = new Uint8Array(newLength); + var sourceIndex = 0; -var FPSController = function (_EventHandler) { - _inherits(FPSController, _EventHandler); + for (i = 0; i < newLength; sourceIndex++, i++) { + if (sourceIndex === EPBPositions[0]) { + // Skip this byte + sourceIndex++; + // Remove this position index + EPBPositions.shift(); + } + newData[i] = data[sourceIndex]; + } + return newData; + }; - function FPSController(hls) { - _classCallCheck(this, FPSController); + TSDemuxer.prototype._parseAACPES = function _parseAACPES(pes) { + var track = this._audioTrack, + data = pes.data, + pts = pes.pts, + startOffset = 0, + aacOverFlow = this.aacOverFlow, + aacLastPTS = this.aacLastPTS, + frameDuration, + frameIndex, + offset, + stamp, + len; + if (aacOverFlow) { + var tmp = new Uint8Array(aacOverFlow.byteLength + data.byteLength); + tmp.set(aacOverFlow, 0); + tmp.set(data, aacOverFlow.byteLength); + //logger.log(`AAC: append overflowing ${aacOverFlow.byteLength} bytes to beginning of new PES`); + data = tmp; + } + // look for ADTS header (0xFFFx) + for (offset = startOffset, len = data.length; offset < len - 1; offset++) { + if (isHeader(data, offset)) { + break; + } + } + // if ADTS header does not start straight from the beginning of the PES payload, raise an error + if (offset) { + var reason, fatal; + if (offset < len - 1) { + reason = 'AAC PES did not start with ADTS header,offset:' + offset; + fatal = false; + } else { + reason = 'no ADTS header found in AAC PES'; + fatal = true; + } + logger["b" /* logger */].warn('parsing error:' + reason); + this.observer.trigger(events["a" /* default */].ERROR, { type: errors["b" /* ErrorTypes */].MEDIA_ERROR, details: errors["a" /* ErrorDetails */].FRAG_PARSING_ERROR, fatal: fatal, reason: reason }); + if (fatal) { + return; + } + } - return _possibleConstructorReturn(this, (FPSController.__proto__ || Object.getPrototypeOf(FPSController)).call(this, hls, _events2.default.MEDIA_ATTACHING)); - } + initTrackConfig(track, this.observer, data, offset, this.audioCodec); + frameIndex = 0; + frameDuration = getFrameDuration(track.samplerate); - _createClass(FPSController, [{ - key: 'destroy', - value: function destroy() { - if (this.timer) { - clearInterval(this.timer); + // if last AAC frame is overflowing, we should ensure timestamps are contiguous: + // first sample PTS should be equal to last sample PTS + frameDuration + if (aacOverFlow && aacLastPTS) { + var newPTS = aacLastPTS + frameDuration; + if (Math.abs(newPTS - pts) > 1) { + logger["b" /* logger */].log('AAC: align PTS for overlapping frames by ' + Math.round((newPTS - pts) / 90)); + pts = newPTS; } - this.isVideoPlaybackQualityAvailable = false; } - }, { - key: 'onMediaAttaching', - value: function onMediaAttaching(data) { - var config = this.hls.config; - if (config.capLevelOnFPSDrop) { - var video = this.video = data.media instanceof HTMLVideoElement ? data.media : null; - if (typeof video.getVideoPlaybackQuality === 'function') { - this.isVideoPlaybackQualityAvailable = true; + + //scan for aac samples + while (offset < len) { + if (isHeader(data, offset) && offset + 5 < len) { + var frame = appendFrame(track, data, offset, pts, frameIndex); + if (frame) { + //logger.log(`${Math.round(frame.sample.pts)} : AAC`); + offset += frame.length; + stamp = frame.sample.pts; + frameIndex++; + } else { + //logger.log('Unable to parse AAC frame'); + break; } - clearInterval(this.timer); - this.timer = setInterval(this.checkFPSInterval.bind(this), config.fpsDroppedMonitoringPeriod); + } else { + //nothing found, keep looking + offset++; } } - }, { - key: 'checkFPS', - value: function checkFPS(video, decodedFrames, droppedFrames) { - var currentTime = performance.now(); - if (decodedFrames) { - if (this.lastTime) { - var currentPeriod = currentTime - this.lastTime, - currentDropped = droppedFrames - this.lastDroppedFrames, - currentDecoded = decodedFrames - this.lastDecodedFrames, - droppedFPS = 1000 * currentDropped / currentPeriod, - hls = this.hls; - hls.trigger(_events2.default.FPS_DROP, { currentDropped: currentDropped, currentDecoded: currentDecoded, totalDroppedFrames: droppedFrames }); - if (droppedFPS > 0) { - //logger.log('checkFPS : droppedFPS/decodedFPS:' + droppedFPS/(1000 * currentDecoded / currentPeriod)); - if (currentDropped > hls.config.fpsDroppedMonitoringThreshold * currentDecoded) { - var currentLevel = hls.currentLevel; - _logger.logger.warn('drop FPS ratio greater than max allowed value for currentLevel: ' + currentLevel); - if (currentLevel > 0 && (hls.autoLevelCapping === -1 || hls.autoLevelCapping >= currentLevel)) { - currentLevel = currentLevel - 1; - hls.trigger(_events2.default.FPS_DROP_LEVEL_CAPPING, { level: currentLevel, droppedLevel: hls.currentLevel }); - hls.autoLevelCapping = currentLevel; - hls.streamController.nextLevelSwitch(); - } - } - } - } - this.lastTime = currentTime; - this.lastDroppedFrames = droppedFrames; - this.lastDecodedFrames = decodedFrames; - } + + if (offset < len) { + aacOverFlow = data.subarray(offset, len); + //logger.log(`AAC: overflow detected:${len-offset}`); + } else { + aacOverFlow = null; } - }, { - key: 'checkFPSInterval', - value: function checkFPSInterval() { - var video = this.video; - if (video) { - if (this.isVideoPlaybackQualityAvailable) { - var videoPlaybackQuality = video.getVideoPlaybackQuality(); - this.checkFPS(video, videoPlaybackQuality.totalVideoFrames, videoPlaybackQuality.droppedVideoFrames); + this.aacOverFlow = aacOverFlow; + this.aacLastPTS = stamp; + }; + + TSDemuxer.prototype._parseMPEGPES = function _parseMPEGPES(pes) { + var data = pes.data; + var length = data.length; + var frameIndex = 0; + var offset = 0; + var pts = pes.pts; + + while (offset < length) { + if (mpegaudio.isHeader(data, offset)) { + var frame = mpegaudio.appendFrame(this._audioTrack, data, offset, pts, frameIndex); + if (frame) { + offset += frame.length; + frameIndex++; } else { - this.checkFPS(video, video.webkitDecodedFrameCount, video.webkitDroppedFrameCount); + //logger.log('Unable to parse Mpeg audio frame'); + break; } + } else { + //nothing found, keep looking + offset++; } } - }]); - - return FPSController; -}(_eventHandler2.default); + }; -exports.default = FPSController; + TSDemuxer.prototype._parseID3PES = function _parseID3PES(pes) { + this._id3Track.samples.push(pes); + }; -},{"34":34,"35":35,"53":53}],11:[function(_dereq_,module,exports){ -'use strict'; + return TSDemuxer; +}(); -Object.defineProperty(exports, "__esModule", { - value: true -}); +/* harmony default export */ var tsdemuxer = (tsdemuxer_TSDemuxer); +// CONCATENATED MODULE: ./src/demux/mp3demuxer.js +function mp3demuxer__classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); +/** + * MP3 demuxer + */ -var _events = _dereq_(35); -var _events2 = _interopRequireDefault(_events); -var _eventHandler = _dereq_(34); -var _eventHandler2 = _interopRequireDefault(_eventHandler); +var mp3demuxer_MP3Demuxer = function () { + function MP3Demuxer(observer, remuxer, config) { + mp3demuxer__classCallCheck(this, MP3Demuxer); -function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + this.observer = observer; + this.config = config; + this.remuxer = remuxer; + } -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + MP3Demuxer.prototype.resetInitSegment = function resetInitSegment(initSegment, audioCodec, videoCodec, duration) { + this._audioTrack = { container: 'audio/mpeg', type: 'audio', id: -1, sequenceNumber: 0, isAAC: false, samples: [], len: 0, manifestCodec: audioCodec, duration: duration, inputTimeScale: 90000 }; + }; -function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; } + MP3Demuxer.prototype.resetTimeStamp = function resetTimeStamp() {}; -function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } /* - * id3 metadata track controller - */ + MP3Demuxer.probe = function probe(data) { + // check if data contains ID3 timestamp and MPEG sync word + var offset, length; + var id3Data = id3["a" /* default */].getID3Data(data, 0); + if (id3Data && id3["a" /* default */].getTimeStamp(id3Data) !== undefined) { + // Look for MPEG header | 1111 1111 | 111X XYZX | where X can be either 0 or 1 and Y or Z should be 1 + // Layer bits (position 14 and 15) in header should be always different from 0 (Layer I or Layer II or Layer III) + // More info http://www.mp3-tech.org/programmer/frame_header.html + for (offset = id3Data.length, length = Math.min(data.length - 1, offset + 100); offset < length; offset++) { + if (mpegaudio.probe(data, offset)) { + logger["b" /* logger */].log('MPEG Audio sync word found !'); + return true; + } + } + } + return false; + }; -var ID3TrackController = function (_EventHandler) { - _inherits(ID3TrackController, _EventHandler); + // feed incoming data to the front of the parsing pipeline - function ID3TrackController(hls) { - _classCallCheck(this, ID3TrackController); - var _this = _possibleConstructorReturn(this, (ID3TrackController.__proto__ || Object.getPrototypeOf(ID3TrackController)).call(this, hls, _events2.default.MEDIA_ATTACHED, _events2.default.MEDIA_DETACHING, _events2.default.FRAG_PARSING_METADATA)); + MP3Demuxer.prototype.append = function append(data, timeOffset, contiguous, accurateTimeOffset) { + var id3Data = id3["a" /* default */].getID3Data(data, 0); + var pts = 90 * id3["a" /* default */].getTimeStamp(id3Data); + var offset = id3Data.length; + var length = data.length; + var frameIndex = 0, + stamp = 0; + var track = this._audioTrack; - _this.id3Track = undefined; - _this.media = undefined; - return _this; - } + var id3Samples = [{ pts: pts, dts: pts, data: id3Data }]; - _createClass(ID3TrackController, [{ - key: 'destroy', - value: function destroy() { - _eventHandler2.default.prototype.destroy.call(this); + while (offset < length) { + if (mpegaudio.isHeader(data, offset)) { + var frame = mpegaudio.appendFrame(track, data, offset, pts, frameIndex); + if (frame) { + offset += frame.length; + stamp = frame.sample.pts; + frameIndex++; + } else { + //logger.log('Unable to parse Mpeg audio frame'); + break; + } + } else if (id3["a" /* default */].isHeader(data, offset)) { + id3Data = id3["a" /* default */].getID3Data(data, offset); + id3Samples.push({ pts: stamp, dts: stamp, data: id3Data }); + offset += id3Data.length; + } else { + //nothing found, keep looking + offset++; + } } - // Add ID3 metatadata text track. + this.remuxer.remux(track, { samples: [] }, { samples: id3Samples, inputTimeScale: 90000 }, { samples: [] }, timeOffset, contiguous, accurateTimeOffset); + }; - }, { - key: 'onMediaAttached', - value: function onMediaAttached(data) { - this.media = data.media; - if (!this.media) { - return; - } + MP3Demuxer.prototype.destroy = function destroy() {}; - this.id3Track = this.media.addTextTrack('metadata', 'id3'); - this.id3Track.mode = 'hidden'; - } - }, { - key: 'onMediaDetaching', - value: function onMediaDetaching() { - this.media = undefined; - } - }, { - key: 'onFragParsingMetadata', - value: function onFragParsingMetadata(data) { - var fragment = data.frag; - var samples = data.samples; - var startTime = fragment.start; - var endTime = fragment.start + fragment.duration; - // Give a slight bump to the endTime if it's equal to startTime to avoid a SyntaxError in IE - if (startTime === endTime) { - endTime += 0.0001; - } + return MP3Demuxer; +}(); - // Attempt to recreate Safari functionality by creating - // WebKitDataCue objects when available and store the decoded - // ID3 data in the value property of the cue - var Cue = window.WebKitDataCue || window.VTTCue || window.TextTrackCue; +/* harmony default export */ var mp3demuxer = (mp3demuxer_MP3Demuxer); +// CONCATENATED MODULE: ./src/helper/aac.js +function aac__classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } - for (var i = 0; i < samples.length; i++) { - var id3Frame = this.parseID3Frame(samples[i].data); - var frame = this.decodeID3Frame(id3Frame); - if (frame) { - var cue = new Cue(startTime, endTime, ''); - cue.value = frame; - this.id3Track.addCue(cue); +/** + * AAC helper + */ + +var AAC = function () { + function AAC() { + aac__classCallCheck(this, AAC); + } + + AAC.getSilentFrame = function getSilentFrame(codec, channelCount) { + switch (codec) { + case 'mp4a.40.2': + if (channelCount === 1) { + return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x23, 0x80]); + } else if (channelCount === 2) { + return new Uint8Array([0x21, 0x00, 0x49, 0x90, 0x02, 0x19, 0x00, 0x23, 0x80]); + } else if (channelCount === 3) { + return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x8e]); + } else if (channelCount === 4) { + return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x80, 0x2c, 0x80, 0x08, 0x02, 0x38]); + } else if (channelCount === 5) { + return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x82, 0x30, 0x04, 0x99, 0x00, 0x21, 0x90, 0x02, 0x38]); + } else if (channelCount === 6) { + return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x82, 0x30, 0x04, 0x99, 0x00, 0x21, 0x90, 0x02, 0x00, 0xb2, 0x00, 0x20, 0x08, 0xe0]); } - } + break; + // handle HE-AAC below (mp4a.40.5 / mp4a.40.29) + default: + if (channelCount === 1) { + // ffmpeg -y -f lavfi -i "aevalsrc=0:d=0.05" -c:a libfdk_aac -profile:a aac_he -b:a 4k output.aac && hexdump -v -e '16/1 "0x%x," "\n"' -v output.aac + return new Uint8Array([0x1, 0x40, 0x22, 0x80, 0xa3, 0x4e, 0xe6, 0x80, 0xba, 0x8, 0x0, 0x0, 0x0, 0x1c, 0x6, 0xf1, 0xc1, 0xa, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5e]); + } else if (channelCount === 2) { + // ffmpeg -y -f lavfi -i "aevalsrc=0|0:d=0.05" -c:a libfdk_aac -profile:a aac_he_v2 -b:a 4k output.aac && hexdump -v -e '16/1 "0x%x," "\n"' -v output.aac + return new Uint8Array([0x1, 0x40, 0x22, 0x80, 0xa3, 0x5e, 0xe6, 0x80, 0xba, 0x8, 0x0, 0x0, 0x0, 0x0, 0x95, 0x0, 0x6, 0xf1, 0xa1, 0xa, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5e]); + } else if (channelCount === 3) { + // ffmpeg -y -f lavfi -i "aevalsrc=0|0|0:d=0.05" -c:a libfdk_aac -profile:a aac_he_v2 -b:a 4k output.aac && hexdump -v -e '16/1 "0x%x," "\n"' -v output.aac + return new Uint8Array([0x1, 0x40, 0x22, 0x80, 0xa3, 0x5e, 0xe6, 0x80, 0xba, 0x8, 0x0, 0x0, 0x0, 0x0, 0x95, 0x0, 0x6, 0xf1, 0xa1, 0xa, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5e]); + } + break; } - }, { - key: 'parseID3Frame', - value: function parseID3Frame(data) { - if (data.length < 21) { - return undefined; - } + return null; + }; - /* http://id3.org/id3v2.3.0 - [0] = 'I' - [1] = 'D' - [2] = '3' - [3,4] = {Version} - [5] = {Flags} - [6-9] = {ID3 Size} - [10-13] = {Frame ID} - [14-17] = {Frame Size} - [18,19] = {Frame Flags} - */ - if (data[0] === 73 && // I - data[1] === 68 && // D - data[2] === 51) { - // 3 + return AAC; +}(); - var type = String.fromCharCode(data[10], data[11], data[12], data[13]); - data = data.subarray(20); - return { type: type, data: data }; - } - } - }, { - key: 'decodeID3Frame', - value: function decodeID3Frame(frame) { - if (frame.type === 'TXXX') { - return this.decodeTxxxFrame(frame); - } else if (frame.type === 'PRIV') { - return this.decodePrivFrame(frame); - } else if (frame.type[0] === 'T') { - return this.decodeTextFrame(frame); - } else { - return undefined; - } - } - }, { - key: 'decodeTxxxFrame', - value: function decodeTxxxFrame(frame) { - /* - Format: - [0] = {Text Encoding} - [1-?] = {Description}\0{Value} - */ +/* harmony default export */ var aac = (AAC); +// CONCATENATED MODULE: ./src/remux/mp4-generator.js +function mp4_generator__classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } - if (frame.size < 2) { - return undefined; - } +/** + * Generate MP4 Box +*/ - if (frame.data[0] !== 3) { - //only support UTF-8 - return undefined; - } +//import Hex from '../utils/hex'; - var index = 1; - var description = this.utf8ArrayToStr(frame.data.subarray(index)); +var mp4_generator_UINT32_MAX = Math.pow(2, 32) - 1; - index += description.length + 1; - var value = this.utf8ArrayToStr(frame.data.subarray(index)); +var MP4 = function () { + function MP4() { + mp4_generator__classCallCheck(this, MP4); + } + + MP4.init = function init() { + MP4.types = { + avc1: [], // codingname + avcC: [], + btrt: [], + dinf: [], + dref: [], + esds: [], + ftyp: [], + hdlr: [], + mdat: [], + mdhd: [], + mdia: [], + mfhd: [], + minf: [], + moof: [], + moov: [], + mp4a: [], + '.mp3': [], + mvex: [], + mvhd: [], + pasp: [], + sdtp: [], + stbl: [], + stco: [], + stsc: [], + stsd: [], + stsz: [], + stts: [], + tfdt: [], + tfhd: [], + traf: [], + trak: [], + trun: [], + trex: [], + tkhd: [], + vmhd: [], + smhd: [] + }; + + var i; + for (i in MP4.types) { + if (MP4.types.hasOwnProperty(i)) { + MP4.types[i] = [i.charCodeAt(0), i.charCodeAt(1), i.charCodeAt(2), i.charCodeAt(3)]; + } + } + + var videoHdlr = new Uint8Array([0x00, // version 0 + 0x00, 0x00, 0x00, // flags + 0x00, 0x00, 0x00, 0x00, // pre_defined + 0x76, 0x69, 0x64, 0x65, // handler_type: 'vide' + 0x00, 0x00, 0x00, 0x00, // reserved + 0x00, 0x00, 0x00, 0x00, // reserved + 0x00, 0x00, 0x00, 0x00, // reserved + 0x56, 0x69, 0x64, 0x65, 0x6f, 0x48, 0x61, 0x6e, 0x64, 0x6c, 0x65, 0x72, 0x00 // name: 'VideoHandler' + ]); + + var audioHdlr = new Uint8Array([0x00, // version 0 + 0x00, 0x00, 0x00, // flags + 0x00, 0x00, 0x00, 0x00, // pre_defined + 0x73, 0x6f, 0x75, 0x6e, // handler_type: 'soun' + 0x00, 0x00, 0x00, 0x00, // reserved + 0x00, 0x00, 0x00, 0x00, // reserved + 0x00, 0x00, 0x00, 0x00, // reserved + 0x53, 0x6f, 0x75, 0x6e, 0x64, 0x48, 0x61, 0x6e, 0x64, 0x6c, 0x65, 0x72, 0x00 // name: 'SoundHandler' + ]); + + MP4.HDLR_TYPES = { + 'video': videoHdlr, + 'audio': audioHdlr + }; - return { key: 'TXXX', description: description, data: value }; + var dref = new Uint8Array([0x00, // version 0 + 0x00, 0x00, 0x00, // flags + 0x00, 0x00, 0x00, 0x01, // entry_count + 0x00, 0x00, 0x00, 0x0c, // entry_size + 0x75, 0x72, 0x6c, 0x20, // 'url' type + 0x00, // version 0 + 0x00, 0x00, 0x01 // entry_flags + ]); + + var stco = new Uint8Array([0x00, // version + 0x00, 0x00, 0x00, // flags + 0x00, 0x00, 0x00, 0x00 // entry_count + ]); + + MP4.STTS = MP4.STSC = MP4.STCO = stco; + + MP4.STSZ = new Uint8Array([0x00, // version + 0x00, 0x00, 0x00, // flags + 0x00, 0x00, 0x00, 0x00, // sample_size + 0x00, 0x00, 0x00, 0x00]); + MP4.VMHD = new Uint8Array([0x00, // version + 0x00, 0x00, 0x01, // flags + 0x00, 0x00, // graphicsmode + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 // opcolor + ]); + MP4.SMHD = new Uint8Array([0x00, // version + 0x00, 0x00, 0x00, // flags + 0x00, 0x00, // balance + 0x00, 0x00 // reserved + ]); + + MP4.STSD = new Uint8Array([0x00, // version 0 + 0x00, 0x00, 0x00, // flags + 0x00, 0x00, 0x00, 0x01]); // entry_count + + var majorBrand = new Uint8Array([105, 115, 111, 109]); // isom + var avc1Brand = new Uint8Array([97, 118, 99, 49]); // avc1 + var minorVersion = new Uint8Array([0, 0, 0, 1]); + + MP4.FTYP = MP4.box(MP4.types.ftyp, majorBrand, minorVersion, majorBrand, avc1Brand); + MP4.DINF = MP4.box(MP4.types.dinf, MP4.box(MP4.types.dref, dref)); + }; + + MP4.box = function box(type) { + var payload = Array.prototype.slice.call(arguments, 1), + size = 8, + i = payload.length, + len = i, + result; + // calculate the total size we need to allocate + while (i--) { + size += payload[i].byteLength; + } + result = new Uint8Array(size); + result[0] = size >> 24 & 0xff; + result[1] = size >> 16 & 0xff; + result[2] = size >> 8 & 0xff; + result[3] = size & 0xff; + result.set(type, 4); + // copy the payload into the result + for (i = 0, size = 8; i < len; i++) { + // copy payload[i] array @ offset size + result.set(payload[i], size); + size += payload[i].byteLength; } - }, { - key: 'decodeTextFrame', - value: function decodeTextFrame(frame) { - /* - Format: - [0] = {Text Encoding} - [1-?] = {Value} - */ + return result; + }; - if (frame.size < 2) { - return undefined; - } + MP4.hdlr = function hdlr(type) { + return MP4.box(MP4.types.hdlr, MP4.HDLR_TYPES[type]); + }; - if (frame.data[0] !== 3) { - //only support UTF-8 - return undefined; - } + MP4.mdat = function mdat(data) { + return MP4.box(MP4.types.mdat, data); + }; - var data = frame.data.subarray(1); - return { key: frame.type, data: this.utf8ArrayToStr(data) }; - } - }, { - key: 'decodePrivFrame', - value: function decodePrivFrame(frame) { - /* - Format: \0 - */ + MP4.mdhd = function mdhd(timescale, duration) { + duration *= timescale; + var upperWordDuration = Math.floor(duration / (mp4_generator_UINT32_MAX + 1)); + var lowerWordDuration = Math.floor(duration % (mp4_generator_UINT32_MAX + 1)); + return MP4.box(MP4.types.mdhd, new Uint8Array([0x01, // version 1 + 0x00, 0x00, 0x00, // flags + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // creation_time + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, // modification_time + timescale >> 24 & 0xFF, timescale >> 16 & 0xFF, timescale >> 8 & 0xFF, timescale & 0xFF, // timescale + upperWordDuration >> 24, upperWordDuration >> 16 & 0xFF, upperWordDuration >> 8 & 0xFF, upperWordDuration & 0xFF, lowerWordDuration >> 24, lowerWordDuration >> 16 & 0xFF, lowerWordDuration >> 8 & 0xFF, lowerWordDuration & 0xFF, 0x55, 0xc4, // 'und' language (undetermined) + 0x00, 0x00])); + }; - if (frame.size < 2) { - return undefined; - } + MP4.mdia = function mdia(track) { + return MP4.box(MP4.types.mdia, MP4.mdhd(track.timescale, track.duration), MP4.hdlr(track.type), MP4.minf(track)); + }; - var owner = this.utf8ArrayToStr(frame.data); - var privateData = frame.data.subarray(owner.length + 1); + MP4.mfhd = function mfhd(sequenceNumber) { + return MP4.box(MP4.types.mfhd, new Uint8Array([0x00, 0x00, 0x00, 0x00, // flags + sequenceNumber >> 24, sequenceNumber >> 16 & 0xFF, sequenceNumber >> 8 & 0xFF, sequenceNumber & 0xFF]) // sequence_number + ); + }; - return { key: 'PRIV', info: owner, data: privateData.buffer }; + MP4.minf = function minf(track) { + if (track.type === 'audio') { + return MP4.box(MP4.types.minf, MP4.box(MP4.types.smhd, MP4.SMHD), MP4.DINF, MP4.stbl(track)); + } else { + return MP4.box(MP4.types.minf, MP4.box(MP4.types.vmhd, MP4.VMHD), MP4.DINF, MP4.stbl(track)); } + }; - // http://stackoverflow.com/questions/8936984/uint8array-to-string-in-javascript/22373197 - // http://www.onicos.com/staff/iz/amuse/javascript/expert/utf.txt - /* utf.js - UTF-8 <=> UTF-16 convertion - * - * Copyright (C) 1999 Masanao Izumo - * Version: 1.0 - * LastModified: Dec 25 1999 - * This library is free. You can redistribute it and/or modify it. - */ + MP4.moof = function moof(sn, baseMediaDecodeTime, track) { + return MP4.box(MP4.types.moof, MP4.mfhd(sn), MP4.traf(track, baseMediaDecodeTime)); + }; + /** + * @param tracks... (optional) {array} the tracks associated with this movie + */ - }, { - key: 'utf8ArrayToStr', - value: function utf8ArrayToStr(array) { - - var char2 = void 0; - var char3 = void 0; - var out = ''; - var i = 0; - var length = array.length; - - while (i < length) { - var c = array[i++]; - switch (c >> 4) { - case 0: - return out; - case 1:case 2:case 3:case 4:case 5:case 6:case 7: - // 0xxxxxxx - out += String.fromCharCode(c); - break; - case 12:case 13: - // 110x xxxx 10xx xxxx - char2 = array[i++]; - out += String.fromCharCode((c & 0x1F) << 6 | char2 & 0x3F); - break; - case 14: - // 1110 xxxx 10xx xxxx 10xx xxxx - char2 = array[i++]; - char3 = array[i++]; - out += String.fromCharCode((c & 0x0F) << 12 | (char2 & 0x3F) << 6 | (char3 & 0x3F) << 0); - break; - } - } - return out; + MP4.moov = function moov(tracks) { + var i = tracks.length, + boxes = []; + + while (i--) { + boxes[i] = MP4.trak(tracks[i]); } - }]); - return ID3TrackController; -}(_eventHandler2.default); + return MP4.box.apply(null, [MP4.types.moov, MP4.mvhd(tracks[0].timescale, tracks[0].duration)].concat(boxes).concat(MP4.mvex(tracks))); + }; -exports.default = ID3TrackController; + MP4.mvex = function mvex(tracks) { + var i = tracks.length, + boxes = []; -},{"34":34,"35":35}],12:[function(_dereq_,module,exports){ -'use strict'; + while (i--) { + boxes[i] = MP4.trex(tracks[i]); + } + return MP4.box.apply(null, [MP4.types.mvex].concat(boxes)); + }; -Object.defineProperty(exports, "__esModule", { - value: true -}); + MP4.mvhd = function mvhd(timescale, duration) { + duration *= timescale; + var upperWordDuration = Math.floor(duration / (mp4_generator_UINT32_MAX + 1)); + var lowerWordDuration = Math.floor(duration % (mp4_generator_UINT32_MAX + 1)); + var bytes = new Uint8Array([0x01, // version 1 + 0x00, 0x00, 0x00, // flags + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // creation_time + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, // modification_time + timescale >> 24 & 0xFF, timescale >> 16 & 0xFF, timescale >> 8 & 0xFF, timescale & 0xFF, // timescale + upperWordDuration >> 24, upperWordDuration >> 16 & 0xFF, upperWordDuration >> 8 & 0xFF, upperWordDuration & 0xFF, lowerWordDuration >> 24, lowerWordDuration >> 16 & 0xFF, lowerWordDuration >> 8 & 0xFF, lowerWordDuration & 0xFF, 0x00, 0x01, 0x00, 0x00, // 1.0 rate + 0x01, 0x00, // 1.0 volume + 0x00, 0x00, // reserved + 0x00, 0x00, 0x00, 0x00, // reserved + 0x00, 0x00, 0x00, 0x00, // reserved + 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, // transformation: unity matrix + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // pre_defined + 0xff, 0xff, 0xff, 0xff // next_track_ID + ]); + return MP4.box(MP4.types.mvhd, bytes); + }; -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); + MP4.sdtp = function sdtp(track) { + var samples = track.samples || [], + bytes = new Uint8Array(4 + samples.length), + flags, + i; + // leave the full box header (4 bytes) all zero + // write the sample table + for (i = 0; i < samples.length; i++) { + flags = samples[i].flags; + bytes[i + 4] = flags.dependsOn << 4 | flags.isDependedOn << 2 | flags.hasRedundancy; + } -var _events = _dereq_(35); + return MP4.box(MP4.types.sdtp, bytes); + }; -var _events2 = _interopRequireDefault(_events); + MP4.stbl = function stbl(track) { + return MP4.box(MP4.types.stbl, MP4.stsd(track), MP4.box(MP4.types.stts, MP4.STTS), MP4.box(MP4.types.stsc, MP4.STSC), MP4.box(MP4.types.stsz, MP4.STSZ), MP4.box(MP4.types.stco, MP4.STCO)); + }; -var _eventHandler = _dereq_(34); + MP4.avc1 = function avc1(track) { + var sps = [], + pps = [], + i, + data, + len; + // assemble the SPSs + + for (i = 0; i < track.sps.length; i++) { + data = track.sps[i]; + len = data.byteLength; + sps.push(len >>> 8 & 0xFF); + sps.push(len & 0xFF); + sps = sps.concat(Array.prototype.slice.call(data)); // SPS + } + + // assemble the PPSs + for (i = 0; i < track.pps.length; i++) { + data = track.pps[i]; + len = data.byteLength; + pps.push(len >>> 8 & 0xFF); + pps.push(len & 0xFF); + pps = pps.concat(Array.prototype.slice.call(data)); + } + + var avcc = MP4.box(MP4.types.avcC, new Uint8Array([0x01, // version + sps[3], // profile + sps[4], // profile compat + sps[5], // level + 0xfc | 3, // lengthSizeMinusOne, hard-coded to 4 bytes + 0xE0 | track.sps.length // 3bit reserved (111) + numOfSequenceParameterSets + ].concat(sps).concat([track.pps.length // numOfPictureParameterSets + ]).concat(pps))), + // "PPS" + width = track.width, + height = track.height, + hSpacing = track.pixelRatio[0], + vSpacing = track.pixelRatio[1]; + //console.log('avcc:' + Hex.hexDump(avcc)); + return MP4.box(MP4.types.avc1, new Uint8Array([0x00, 0x00, 0x00, // reserved + 0x00, 0x00, 0x00, // reserved + 0x00, 0x01, // data_reference_index + 0x00, 0x00, // pre_defined + 0x00, 0x00, // reserved + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // pre_defined + width >> 8 & 0xFF, width & 0xff, // width + height >> 8 & 0xFF, height & 0xff, // height + 0x00, 0x48, 0x00, 0x00, // horizresolution + 0x00, 0x48, 0x00, 0x00, // vertresolution + 0x00, 0x00, 0x00, 0x00, // reserved + 0x00, 0x01, // frame_count + 0x12, 0x64, 0x61, 0x69, 0x6C, //dailymotion/hls.js + 0x79, 0x6D, 0x6F, 0x74, 0x69, 0x6F, 0x6E, 0x2F, 0x68, 0x6C, 0x73, 0x2E, 0x6A, 0x73, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // compressorname + 0x00, 0x18, // depth = 24 + 0x11, 0x11]), // pre_defined = -1 + avcc, MP4.box(MP4.types.btrt, new Uint8Array([0x00, 0x1c, 0x9c, 0x80, // bufferSizeDB + 0x00, 0x2d, 0xc6, 0xc0, // maxBitrate + 0x00, 0x2d, 0xc6, 0xc0])), // avgBitrate + MP4.box(MP4.types.pasp, new Uint8Array([hSpacing >> 24, // hSpacing + hSpacing >> 16 & 0xFF, hSpacing >> 8 & 0xFF, hSpacing & 0xFF, vSpacing >> 24, // vSpacing + vSpacing >> 16 & 0xFF, vSpacing >> 8 & 0xFF, vSpacing & 0xFF]))); + }; + + MP4.esds = function esds(track) { + var configlen = track.config.length; + return new Uint8Array([0x00, // version 0 + 0x00, 0x00, 0x00, // flags + + 0x03, // descriptor_type + 0x17 + configlen, // length + 0x00, 0x01, //es_id + 0x00, // stream_priority + + 0x04, // descriptor_type + 0x0f + configlen, // length + 0x40, //codec : mpeg4_audio + 0x15, // stream_type + 0x00, 0x00, 0x00, // buffer_size + 0x00, 0x00, 0x00, 0x00, // maxBitrate + 0x00, 0x00, 0x00, 0x00, // avgBitrate + + 0x05 // descriptor_type + ].concat([configlen]).concat(track.config).concat([0x06, 0x01, 0x02])); // GASpecificConfig)); // length + audio config descriptor + }; + + MP4.mp4a = function mp4a(track) { + var samplerate = track.samplerate; + return MP4.box(MP4.types.mp4a, new Uint8Array([0x00, 0x00, 0x00, // reserved + 0x00, 0x00, 0x00, // reserved + 0x00, 0x01, // data_reference_index + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // reserved + 0x00, track.channelCount, // channelcount + 0x00, 0x10, // sampleSize:16bits + 0x00, 0x00, 0x00, 0x00, // reserved2 + samplerate >> 8 & 0xFF, samplerate & 0xff, // + 0x00, 0x00]), MP4.box(MP4.types.esds, MP4.esds(track))); + }; + + MP4.mp3 = function mp3(track) { + var samplerate = track.samplerate; + return MP4.box(MP4.types['.mp3'], new Uint8Array([0x00, 0x00, 0x00, // reserved + 0x00, 0x00, 0x00, // reserved + 0x00, 0x01, // data_reference_index + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // reserved + 0x00, track.channelCount, // channelcount + 0x00, 0x10, // sampleSize:16bits + 0x00, 0x00, 0x00, 0x00, // reserved2 + samplerate >> 8 & 0xFF, samplerate & 0xff, // + 0x00, 0x00])); + }; + + MP4.stsd = function stsd(track) { + if (track.type === 'audio') { + if (!track.isAAC && track.codec === 'mp3') { + return MP4.box(MP4.types.stsd, MP4.STSD, MP4.mp3(track)); + } + return MP4.box(MP4.types.stsd, MP4.STSD, MP4.mp4a(track)); + } else { + return MP4.box(MP4.types.stsd, MP4.STSD, MP4.avc1(track)); + } + }; + + MP4.tkhd = function tkhd(track) { + var id = track.id, + duration = track.duration * track.timescale, + width = track.width, + height = track.height, + upperWordDuration = Math.floor(duration / (mp4_generator_UINT32_MAX + 1)), + lowerWordDuration = Math.floor(duration % (mp4_generator_UINT32_MAX + 1)); + return MP4.box(MP4.types.tkhd, new Uint8Array([0x01, // version 1 + 0x00, 0x00, 0x07, // flags + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // creation_time + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, // modification_time + id >> 24 & 0xFF, id >> 16 & 0xFF, id >> 8 & 0xFF, id & 0xFF, // track_ID + 0x00, 0x00, 0x00, 0x00, // reserved + upperWordDuration >> 24, upperWordDuration >> 16 & 0xFF, upperWordDuration >> 8 & 0xFF, upperWordDuration & 0xFF, lowerWordDuration >> 24, lowerWordDuration >> 16 & 0xFF, lowerWordDuration >> 8 & 0xFF, lowerWordDuration & 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // reserved + 0x00, 0x00, // layer + 0x00, 0x00, // alternate_group + 0x00, 0x00, // non-audio track volume + 0x00, 0x00, // reserved + 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, // transformation: unity matrix + width >> 8 & 0xFF, width & 0xFF, 0x00, 0x00, // width + height >> 8 & 0xFF, height & 0xFF, 0x00, 0x00 // height + ])); + }; + + MP4.traf = function traf(track, baseMediaDecodeTime) { + var sampleDependencyTable = MP4.sdtp(track), + id = track.id, + upperWordBaseMediaDecodeTime = Math.floor(baseMediaDecodeTime / (mp4_generator_UINT32_MAX + 1)), + lowerWordBaseMediaDecodeTime = Math.floor(baseMediaDecodeTime % (mp4_generator_UINT32_MAX + 1)); + return MP4.box(MP4.types.traf, MP4.box(MP4.types.tfhd, new Uint8Array([0x00, // version 0 + 0x00, 0x00, 0x00, // flags + id >> 24, id >> 16 & 0XFF, id >> 8 & 0XFF, id & 0xFF]) // track_ID + ), MP4.box(MP4.types.tfdt, new Uint8Array([0x01, // version 1 + 0x00, 0x00, 0x00, // flags + upperWordBaseMediaDecodeTime >> 24, upperWordBaseMediaDecodeTime >> 16 & 0XFF, upperWordBaseMediaDecodeTime >> 8 & 0XFF, upperWordBaseMediaDecodeTime & 0xFF, lowerWordBaseMediaDecodeTime >> 24, lowerWordBaseMediaDecodeTime >> 16 & 0XFF, lowerWordBaseMediaDecodeTime >> 8 & 0XFF, lowerWordBaseMediaDecodeTime & 0xFF])), MP4.trun(track, sampleDependencyTable.length + 16 + // tfhd + 20 + // tfdt + 8 + // traf header + 16 + // mfhd + 8 + // moof header + 8), // mdat header + sampleDependencyTable); + }; -var _eventHandler2 = _interopRequireDefault(_eventHandler); + /** + * Generate a track box. + * @param track {object} a track definition + * @return {Uint8Array} the track box + */ -var _logger = _dereq_(53); -var _errors = _dereq_(33); + MP4.trak = function trak(track) { + track.duration = track.duration || 0xffffffff; + return MP4.box(MP4.types.trak, MP4.tkhd(track), MP4.mdia(track)); + }; + + MP4.trex = function trex(track) { + var id = track.id; + return MP4.box(MP4.types.trex, new Uint8Array([0x00, // version 0 + 0x00, 0x00, 0x00, // flags + id >> 24, id >> 16 & 0XFF, id >> 8 & 0XFF, id & 0xFF, // track_ID + 0x00, 0x00, 0x00, 0x01, // default_sample_description_index + 0x00, 0x00, 0x00, 0x00, // default_sample_duration + 0x00, 0x00, 0x00, 0x00, // default_sample_size + 0x00, 0x01, 0x00, 0x01 // default_sample_flags + ])); + }; + + MP4.trun = function trun(track, offset) { + var samples = track.samples || [], + len = samples.length, + arraylen = 12 + 16 * len, + array = new Uint8Array(arraylen), + i, + sample, + duration, + size, + flags, + cts; + offset += 8 + arraylen; + array.set([0x00, // version 0 + 0x00, 0x0f, 0x01, // flags + len >>> 24 & 0xFF, len >>> 16 & 0xFF, len >>> 8 & 0xFF, len & 0xFF, // sample_count + offset >>> 24 & 0xFF, offset >>> 16 & 0xFF, offset >>> 8 & 0xFF, offset & 0xFF // data_offset + ], 0); + for (i = 0; i < len; i++) { + sample = samples[i]; + duration = sample.duration; + size = sample.size; + flags = sample.flags; + cts = sample.cts; + array.set([duration >>> 24 & 0xFF, duration >>> 16 & 0xFF, duration >>> 8 & 0xFF, duration & 0xFF, // sample_duration + size >>> 24 & 0xFF, size >>> 16 & 0xFF, size >>> 8 & 0xFF, size & 0xFF, // sample_size + flags.isLeading << 2 | flags.dependsOn, flags.isDependedOn << 6 | flags.hasRedundancy << 4 | flags.paddingValue << 1 | flags.isNonSync, flags.degradPrio & 0xF0 << 8, flags.degradPrio & 0x0F, // sample_flags + cts >>> 24 & 0xFF, cts >>> 16 & 0xFF, cts >>> 8 & 0xFF, cts & 0xFF // sample_composition_time_offset + ], 12 + 16 * i); + } + return MP4.box(MP4.types.trun, array); + }; + + MP4.initSegment = function initSegment(tracks) { + if (!MP4.types) { + MP4.init(); + } + var movie = MP4.moov(tracks), + result; + result = new Uint8Array(MP4.FTYP.byteLength + movie.byteLength); + result.set(MP4.FTYP); + result.set(movie, MP4.FTYP.byteLength); + return result; + }; -var _bufferHelper = _dereq_(37); + return MP4; +}(); -var _bufferHelper2 = _interopRequireDefault(_bufferHelper); +/* harmony default export */ var mp4_generator = (MP4); +// CONCATENATED MODULE: ./src/remux/mp4-remuxer.js +function mp4_remuxer__classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } -function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } +/** +* fMP4 remuxer +*/ -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } -function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; } -function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } /* - * Level Controller - */ -var LevelController = function (_EventHandler) { - _inherits(LevelController, _EventHandler); - function LevelController(hls) { - _classCallCheck(this, LevelController); - var _this = _possibleConstructorReturn(this, (LevelController.__proto__ || Object.getPrototypeOf(LevelController)).call(this, hls, _events2.default.MANIFEST_LOADED, _events2.default.LEVEL_LOADED, _events2.default.FRAG_LOADED, _events2.default.ERROR)); - _this.ontick = _this.tick.bind(_this); - _this._manualLevel = -1; - return _this; +// 10 seconds +var MAX_SILENT_FRAME_DURATION = 10 * 1000; + +var mp4_remuxer_MP4Remuxer = function () { + function MP4Remuxer(observer, config, typeSupported, vendor) { + mp4_remuxer__classCallCheck(this, MP4Remuxer); + + this.observer = observer; + this.config = config; + this.typeSupported = typeSupported; + var userAgent = navigator.userAgent; + this.isSafari = vendor && vendor.indexOf('Apple') > -1 && userAgent && !userAgent.match('CriOS'); + this.ISGenerated = false; } - _createClass(LevelController, [{ - key: 'destroy', - value: function destroy() { - if (this.timer) { - clearTimeout(this.timer); - this.timer = null; - } - this._manualLevel = -1; - } - }, { - key: 'startLoad', - value: function startLoad() { - this.canload = true; - var levels = this._levels; - // clean up live level details to force reload them, and reset load errors - if (levels) { - levels.forEach(function (level) { - level.loadError = 0; - var levelDetails = level.details; - if (levelDetails && levelDetails.live) { - level.details = undefined; - } - }); - } - // speed up live playlist refresh if timer exists - if (this.timer) { - this.tick(); - } - } - }, { - key: 'stopLoad', - value: function stopLoad() { - this.canload = false; - } - }, { - key: 'onManifestLoaded', - value: function onManifestLoaded(data) { - var levels0 = [], - levels = [], - bitrateStart, - bitrateSet = {}, - videoCodecFound = false, - audioCodecFound = false, - hls = this.hls, - brokenmp4inmp3 = /chrome|firefox/.test(navigator.userAgent.toLowerCase()), - checkSupported = function checkSupported(type, codec) { - return MediaSource.isTypeSupported(type + '/mp4;codecs=' + codec); - }; + MP4Remuxer.prototype.destroy = function destroy() {}; + + MP4Remuxer.prototype.resetTimeStamp = function resetTimeStamp(defaultTimeStamp) { + this._initPTS = this._initDTS = defaultTimeStamp; + }; - // regroup redundant level together - data.levels.forEach(function (level) { - if (level.videoCodec) { - videoCodecFound = true; - } - // erase audio codec info if browser does not support mp4a.40.34. demuxer will autodetect codec and fallback to mpeg/audio - if (brokenmp4inmp3 && level.audioCodec && level.audioCodec.indexOf('mp4a.40.34') !== -1) { - level.audioCodec = undefined; - } - if (level.audioCodec || level.attrs && level.attrs.AUDIO) { - audioCodecFound = true; - } - var redundantLevelId = bitrateSet[level.bitrate]; - if (redundantLevelId === undefined) { - bitrateSet[level.bitrate] = levels0.length; - level.url = [level.url]; - level.urlId = 0; - levels0.push(level); - } else { - levels0[redundantLevelId].url.push(level.url); - } - }); + MP4Remuxer.prototype.resetInitSegment = function resetInitSegment() { + this.ISGenerated = false; + }; - // remove audio-only level if we also have levels with audio+video codecs signalled - if (videoCodecFound && audioCodecFound) { - levels0.forEach(function (level) { - if (level.videoCodec) { - levels.push(level); + MP4Remuxer.prototype.remux = function remux(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset) { + // generate Init Segment if needed + if (!this.ISGenerated) { + this.generateIS(audioTrack, videoTrack, timeOffset); + } + + if (this.ISGenerated) { + var nbAudioSamples = audioTrack.samples.length; + var nbVideoSamples = videoTrack.samples.length; + var audioTimeOffset = timeOffset; + var videoTimeOffset = timeOffset; + if (nbAudioSamples && nbVideoSamples) { + // timeOffset is expected to be the offset of the first timestamp of this fragment (first DTS) + // if first audio DTS is not aligned with first video DTS then we need to take that into account + // when providing timeOffset to remuxAudio / remuxVideo. if we don't do that, there might be a permanent / small + // drift between audio and video streams + var audiovideoDeltaDts = (audioTrack.samples[0].dts - videoTrack.samples[0].dts) / videoTrack.inputTimeScale; + audioTimeOffset += Math.max(0, audiovideoDeltaDts); + videoTimeOffset += Math.max(0, -audiovideoDeltaDts); + } + // Purposefully remuxing audio before video, so that remuxVideo can use nextAudioPts, which is + // calculated in remuxAudio. + //logger.log('nb AAC samples:' + audioTrack.samples.length); + if (nbAudioSamples) { + // if initSegment was generated without video samples, regenerate it again + if (!audioTrack.timescale) { + logger["b" /* logger */].warn('regenerate InitSegment as audio detected'); + this.generateIS(audioTrack, videoTrack, timeOffset); + } + var audioData = this.remuxAudio(audioTrack, audioTimeOffset, contiguous, accurateTimeOffset); + //logger.log('nb AVC samples:' + videoTrack.samples.length); + if (nbVideoSamples) { + var audioTrackLength = void 0; + if (audioData) { + audioTrackLength = audioData.endPTS - audioData.startPTS; } - }); - } else { - levels = levels0; - } - // only keep level with supported audio/video codecs - levels = levels.filter(function (level) { - var audioCodec = level.audioCodec, - videoCodec = level.videoCodec; - return (!audioCodec || checkSupported('audio', audioCodec)) && (!videoCodec || checkSupported('video', videoCodec)); - }); - - if (levels.length) { - // start bitrate is the first bitrate of the manifest - bitrateStart = levels[0].bitrate; - // sort level on bitrate - levels.sort(function (a, b) { - return a.bitrate - b.bitrate; - }); - this._levels = levels; - // find index of first level in sorted levels - for (var i = 0; i < levels.length; i++) { - if (levels[i].bitrate === bitrateStart) { - this._firstLevel = i; - _logger.logger.log('manifest loaded,' + levels.length + ' level(s) found, first bitrate:' + bitrateStart); - break; + // if initSegment was generated without video samples, regenerate it again + if (!videoTrack.timescale) { + logger["b" /* logger */].warn('regenerate InitSegment as video detected'); + this.generateIS(audioTrack, videoTrack, timeOffset); } + this.remuxVideo(videoTrack, videoTimeOffset, contiguous, audioTrackLength, accurateTimeOffset); } - hls.trigger(_events2.default.MANIFEST_PARSED, { levels: levels, firstLevel: this._firstLevel, stats: data.stats, audio: audioCodecFound, video: videoCodecFound, altAudio: data.audioTracks.length > 0 }); } else { - hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.MEDIA_ERROR, details: _errors.ErrorDetails.MANIFEST_INCOMPATIBLE_CODECS_ERROR, fatal: true, url: hls.url, reason: 'no level with compatible codecs found in manifest' }); + var videoData = void 0; + //logger.log('nb AVC samples:' + videoTrack.samples.length); + if (nbVideoSamples) { + videoData = this.remuxVideo(videoTrack, videoTimeOffset, contiguous, accurateTimeOffset); + } + if (videoData && audioTrack.codec) { + this.remuxEmptyAudio(audioTrack, audioTimeOffset, contiguous, videoData); + } + } + } + //logger.log('nb ID3 samples:' + audioTrack.samples.length); + if (id3Track.samples.length) { + this.remuxID3(id3Track, timeOffset); + } + //logger.log('nb ID3 samples:' + audioTrack.samples.length); + if (textTrack.samples.length) { + this.remuxText(textTrack, timeOffset); + } + //notify end of parsing + this.observer.trigger(events["a" /* default */].FRAG_PARSED); + }; + + MP4Remuxer.prototype.generateIS = function generateIS(audioTrack, videoTrack, timeOffset) { + var observer = this.observer, + audioSamples = audioTrack.samples, + videoSamples = videoTrack.samples, + typeSupported = this.typeSupported, + container = 'audio/mp4', + tracks = {}, + data = { tracks: tracks }, + computePTSDTS = this._initPTS === undefined, + initPTS, + initDTS; + + if (computePTSDTS) { + initPTS = initDTS = Infinity; + } + if (audioTrack.config && audioSamples.length) { + // let's use audio sampling rate as MP4 time scale. + // rationale is that there is a integer nb of audio frames per audio sample (1024 for AAC) + // using audio sampling rate here helps having an integer MP4 frame duration + // this avoids potential rounding issue and AV sync issue + audioTrack.timescale = audioTrack.samplerate; + logger["b" /* logger */].log('audio sampling rate : ' + audioTrack.samplerate); + if (!audioTrack.isAAC) { + if (typeSupported.mpeg) { + // Chrome and Safari + container = 'audio/mpeg'; + audioTrack.codec = ''; + } else if (typeSupported.mp3) { + // Firefox + audioTrack.codec = 'mp3'; + } + } + tracks.audio = { + container: container, + codec: audioTrack.codec, + initSegment: !audioTrack.isAAC && typeSupported.mpeg ? new Uint8Array() : mp4_generator.initSegment([audioTrack]), + metadata: { + channelCount: audioTrack.channelCount + } + }; + if (computePTSDTS) { + // remember first PTS of this demuxing context. for audio, PTS = DTS + initPTS = initDTS = audioSamples[0].pts - audioTrack.inputTimeScale * timeOffset; } - return; } - }, { - key: 'setLevelInternal', - value: function setLevelInternal(newLevel) { - var levels = this._levels; - var hls = this.hls; - // check if level idx is valid - if (newLevel >= 0 && newLevel < levels.length) { - // stopping live reloading timer if any - if (this.timer) { - clearTimeout(this.timer); - this.timer = null; - } - if (this._level !== newLevel) { - _logger.logger.log('switching to level ' + newLevel); - this._level = newLevel; - var levelProperties = levels[newLevel]; - levelProperties.level = newLevel; - // LEVEL_SWITCH to be deprecated in next major release - hls.trigger(_events2.default.LEVEL_SWITCH, levelProperties); - hls.trigger(_events2.default.LEVEL_SWITCHING, levelProperties); - } - var level = levels[newLevel], - levelDetails = level.details; - // check if we need to load playlist for this level - if (!levelDetails || levelDetails.live === true) { - // level not retrieved yet, or live playlist we need to (re)load it - var urlId = level.urlId; - hls.trigger(_events2.default.LEVEL_LOADING, { url: level.url[urlId], level: newLevel, id: urlId }); + + if (videoTrack.sps && videoTrack.pps && videoSamples.length) { + // let's use input time scale as MP4 video timescale + // we use input time scale straight away to avoid rounding issues on frame duration / cts computation + var inputTimeScale = videoTrack.inputTimeScale; + videoTrack.timescale = inputTimeScale; + tracks.video = { + container: 'video/mp4', + codec: videoTrack.codec, + initSegment: mp4_generator.initSegment([videoTrack]), + metadata: { + width: videoTrack.width, + height: videoTrack.height } - } else { - // invalid level id given, trigger error - hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.OTHER_ERROR, details: _errors.ErrorDetails.LEVEL_SWITCH_ERROR, level: newLevel, fatal: false, reason: 'invalid level idx' }); + }; + if (computePTSDTS) { + initPTS = Math.min(initPTS, videoSamples[0].pts - inputTimeScale * timeOffset); + initDTS = Math.min(initDTS, videoSamples[0].dts - inputTimeScale * timeOffset); + this.observer.trigger(events["a" /* default */].INIT_PTS_FOUND, { initPTS: initPTS }); } } - }, { - key: 'onError', - value: function onError(data) { - if (data.fatal) { - return; + + if (Object.keys(tracks).length) { + observer.trigger(events["a" /* default */].FRAG_PARSING_INIT_SEGMENT, data); + this.ISGenerated = true; + if (computePTSDTS) { + this._initPTS = initPTS; + this._initDTS = initDTS; } + } else { + observer.trigger(events["a" /* default */].ERROR, { type: errors["b" /* ErrorTypes */].MEDIA_ERROR, details: errors["a" /* ErrorDetails */].FRAG_PARSING_ERROR, fatal: false, reason: 'no audio/video samples found' }); + } + }; + + MP4Remuxer.prototype.remuxVideo = function remuxVideo(track, timeOffset, contiguous, audioTrackLength, accurateTimeOffset) { + var offset = 8, + timeScale = track.timescale, + mp4SampleDuration, + mdat, + moof, + firstPTS, + firstDTS, + nextDTS, + lastPTS, + lastDTS, + inputSamples = track.samples, + outputSamples = [], + nbSamples = inputSamples.length, + ptsNormalize = this._PTSNormalize, + initDTS = this._initDTS; + + // for (let i = 0; i < track.samples.length; i++) { + // let avcSample = track.samples[i]; + // let units = avcSample.units; + // let unitsString = ''; + // for (let j = 0; j < units.length ; j++) { + // unitsString += units[j].type + ','; + // if (units[j].data.length < 500) { + // unitsString += Hex.hexDump(units[j].data); + // } + // } + // logger.log(avcSample.pts + '/' + avcSample.dts + ',' + unitsString + avcSample.units.length); + // } + + // if parsed fragment is contiguous with last one, let's use last DTS value as reference + var nextAvcDts = this.nextAvcDts; + + var isSafari = this.isSafari; + + // Safari does not like overlapping DTS on consecutive fragments. let's use nextAvcDts to overcome this if fragments are consecutive + if (isSafari) { + // also consider consecutive fragments as being contiguous (even if a level switch occurs), + // for sake of clarity: + // consecutive fragments are frags with + // - less than 100ms gaps between new time offset (if accurate) and next expected PTS OR + // - less than 200 ms PTS gaps (timeScale/5) + contiguous |= inputSamples.length && nextAvcDts && (accurateTimeOffset && Math.abs(timeOffset - nextAvcDts / timeScale) < 0.1 || Math.abs(inputSamples[0].pts - nextAvcDts - initDTS) < timeScale / 5); + } - var details = data.details, - hls = this.hls, - levelId = void 0, - level = void 0, - levelError = false; - // try to recover not fatal errors - switch (details) { - case _errors.ErrorDetails.FRAG_LOAD_ERROR: - case _errors.ErrorDetails.FRAG_LOAD_TIMEOUT: - case _errors.ErrorDetails.FRAG_LOOP_LOADING_ERROR: - case _errors.ErrorDetails.KEY_LOAD_ERROR: - case _errors.ErrorDetails.KEY_LOAD_TIMEOUT: - levelId = data.frag.level; - break; - case _errors.ErrorDetails.LEVEL_LOAD_ERROR: - case _errors.ErrorDetails.LEVEL_LOAD_TIMEOUT: - levelId = data.context.level; - levelError = true; - break; - case _errors.ErrorDetails.REMUX_ALLOC_ERROR: - levelId = data.level; - break; - default: - break; + if (!contiguous) { + // if not contiguous, let's use target timeOffset + nextAvcDts = timeOffset * timeScale; + } + + // PTS is coded on 33bits, and can loop from -2^32 to 2^32 + // ptsNormalize will make PTS/DTS value monotonic, we use last known DTS value as reference value + inputSamples.forEach(function (sample) { + sample.pts = ptsNormalize(sample.pts - initDTS, nextAvcDts); + sample.dts = ptsNormalize(sample.dts - initDTS, nextAvcDts); + }); + + // sort video samples by DTS then PTS then demux id order + inputSamples.sort(function (a, b) { + var deltadts = a.dts - b.dts; + var deltapts = a.pts - b.pts; + return deltadts ? deltadts : deltapts ? deltapts : a.id - b.id; + }); + + // handle broken streams with PTS < DTS, tolerance up 200ms (18000 in 90kHz timescale) + var PTSDTSshift = inputSamples.reduce(function (prev, curr) { + return Math.max(Math.min(prev, curr.pts - curr.dts), -18000); + }, 0); + if (PTSDTSshift < 0) { + logger["b" /* logger */].warn('PTS < DTS detected in video samples, shifting DTS by ' + Math.round(PTSDTSshift / 90) + ' ms to overcome this issue'); + for (var i = 0; i < inputSamples.length; i++) { + inputSamples[i].dts += PTSDTSshift; + } + } + + // compute first DTS and last DTS, normalize them against reference value + var sample = inputSamples[0]; + firstDTS = Math.max(sample.dts, 0); + firstPTS = Math.max(sample.pts, 0); + + // check timestamp continuity accross consecutive fragments (this is to remove inter-fragment gap/hole) + var delta = Math.round((firstDTS - nextAvcDts) / 90); + // if fragment are contiguous, detect hole/overlapping between fragments + if (contiguous) { + if (delta) { + if (delta > 1) { + logger["b" /* logger */].log('AVC:' + delta + ' ms hole between fragments detected,filling it'); + } else if (delta < -1) { + logger["b" /* logger */].log('AVC:' + -delta + ' ms overlapping between fragments detected'); + } + // remove hole/gap : set DTS to next expected DTS + firstDTS = nextAvcDts; + inputSamples[0].dts = firstDTS; + // offset PTS as well, ensure that PTS is smaller or equal than new DTS + firstPTS = Math.max(firstPTS - delta, nextAvcDts); + inputSamples[0].pts = firstPTS; + logger["b" /* logger */].log('Video/PTS/DTS adjusted: ' + Math.round(firstPTS / 90) + '/' + Math.round(firstDTS / 90) + ',delta:' + delta + ' ms'); + } + } + nextDTS = firstDTS; + + // compute lastPTS/lastDTS + sample = inputSamples[inputSamples.length - 1]; + lastDTS = Math.max(sample.dts, 0); + lastPTS = Math.max(sample.pts, 0, lastDTS); + + // on Safari let's signal the same sample duration for all samples + // sample duration (as expected by trun MP4 boxes), should be the delta between sample DTS + // set this constant duration as being the avg delta between consecutive DTS. + if (isSafari) { + mp4SampleDuration = Math.round((lastDTS - firstDTS) / (inputSamples.length - 1)); + } + + var nbNalu = 0, + naluLen = 0; + for (var _i = 0; _i < nbSamples; _i++) { + // compute total/avc sample length and nb of NAL units + var _sample = inputSamples[_i], + units = _sample.units, + nbUnits = units.length, + sampleLen = 0; + for (var j = 0; j < nbUnits; j++) { + sampleLen += units[j].data.length; + } + naluLen += sampleLen; + nbNalu += nbUnits; + _sample.length = sampleLen; + + // normalize PTS/DTS + if (isSafari) { + // sample DTS is computed using a constant decoding offset (mp4SampleDuration) between samples + _sample.dts = firstDTS + _i * mp4SampleDuration; + } else { + // ensure sample monotonic DTS + _sample.dts = Math.max(_sample.dts, firstDTS); } - /* try to switch to a redundant stream if any available. - * if no redundant stream available, emergency switch down (if in auto mode and current level not 0) - * otherwise, we cannot recover this network error ... - */ - if (levelId !== undefined) { - level = this._levels[levelId]; - if (!level.loadError) { - level.loadError = 1; - } else { - level.loadError++; - } - // if any redundant streams available and if we haven't try them all (level.loadError is reseted on successful frag/level load. - // if level.loadError reaches nbRedundantLevel it means that we tried them all, no hope => let's switch down - var nbRedundantLevel = level.url.length; - if (nbRedundantLevel > 1 && level.loadError < nbRedundantLevel) { - level.urlId = (level.urlId + 1) % nbRedundantLevel; - level.details = undefined; - _logger.logger.warn('level controller,' + details + ' for level ' + levelId + ': switching to redundant stream id ' + level.urlId); + // ensure that computed value is greater or equal than sample DTS + _sample.pts = Math.max(_sample.pts, _sample.dts); + } + + /* concatenate the video data and construct the mdat in place + (need 8 more bytes to fill length and mpdat type) */ + var mdatSize = naluLen + 4 * nbNalu + 8; + try { + mdat = new Uint8Array(mdatSize); + } catch (err) { + this.observer.trigger(events["a" /* default */].ERROR, { type: errors["b" /* ErrorTypes */].MUX_ERROR, details: errors["a" /* ErrorDetails */].REMUX_ALLOC_ERROR, fatal: false, bytes: mdatSize, reason: 'fail allocating video mdat ' + mdatSize }); + return; + } + var view = new DataView(mdat.buffer); + view.setUint32(0, mdatSize); + mdat.set(mp4_generator.types.mdat, 4); + + for (var _i2 = 0; _i2 < nbSamples; _i2++) { + var avcSample = inputSamples[_i2], + avcSampleUnits = avcSample.units, + mp4SampleLength = 0, + compositionTimeOffset = void 0; + // convert NALU bitstream to MP4 format (prepend NALU with size field) + for (var _j = 0, _nbUnits = avcSampleUnits.length; _j < _nbUnits; _j++) { + var unit = avcSampleUnits[_j], + unitData = unit.data, + unitDataLen = unit.data.byteLength; + view.setUint32(offset, unitDataLen); + offset += 4; + mdat.set(unitData, offset); + offset += unitDataLen; + mp4SampleLength += 4 + unitDataLen; + } + + if (!isSafari) { + // expected sample duration is the Decoding Timestamp diff of consecutive samples + if (_i2 < nbSamples - 1) { + mp4SampleDuration = inputSamples[_i2 + 1].dts - avcSample.dts; } else { - // we could try to recover if in auto mode and current level not lowest level (0) - var recoverable = this._manualLevel === -1 && levelId; - if (recoverable) { - _logger.logger.warn('level controller,' + details + ': switch-down for next fragment'); - hls.nextAutoLevel = Math.max(0, levelId - 1); - } else if (level && level.details && level.details.live) { - _logger.logger.warn('level controller,' + details + ' on live stream, discard'); - if (levelError) { - // reset this._level so that another call to set level() will retrigger a frag load - this._level = undefined; - } - // other errors are handled by stream controller - } else if (details === _errors.ErrorDetails.LEVEL_LOAD_ERROR || details === _errors.ErrorDetails.LEVEL_LOAD_TIMEOUT) { - var media = hls.media, - - // 0.5 : tolerance needed as some browsers stalls playback before reaching buffered end - mediaBuffered = media && _bufferHelper2.default.isBuffered(media, media.currentTime) && _bufferHelper2.default.isBuffered(media, media.currentTime + 0.5); - if (mediaBuffered) { - var retryDelay = hls.config.levelLoadingRetryDelay; - _logger.logger.warn('level controller,' + details + ', but media buffered, retry in ' + retryDelay + 'ms'); - this.timer = setTimeout(this.ontick, retryDelay); - // boolean used to inform stream controller not to switch back to IDLE on non fatal error - data.levelRetry = true; - } else { - _logger.logger.error('cannot recover ' + details + ' error'); - this._level = undefined; - // stopping live reloading timer if any - if (this.timer) { - clearTimeout(this.timer); - this.timer = null; + var config = this.config, + lastFrameDuration = avcSample.dts - inputSamples[_i2 > 0 ? _i2 - 1 : _i2].dts; + if (config.stretchShortVideoTrack) { + // In some cases, a segment's audio track duration may exceed the video track duration. + // Since we've already remuxed audio, and we know how long the audio track is, we look to + // see if the delta to the next segment is longer than the minimum of maxBufferHole and + // maxSeekHole. If so, playback would potentially get stuck, so we artificially inflate + // the duration of the last frame to minimize any potential gap between segments. + var maxBufferHole = config.maxBufferHole, + maxSeekHole = config.maxSeekHole, + gapTolerance = Math.floor(Math.min(maxBufferHole, maxSeekHole) * timeScale), + deltaToFrameEnd = (audioTrackLength ? firstPTS + audioTrackLength * timeScale : this.nextAudioPts) - avcSample.pts; + if (deltaToFrameEnd > gapTolerance) { + // We subtract lastFrameDuration from deltaToFrameEnd to try to prevent any video + // frame overlap. maxBufferHole/maxSeekHole should be >> lastFrameDuration anyway. + mp4SampleDuration = deltaToFrameEnd - lastFrameDuration; + if (mp4SampleDuration < 0) { + mp4SampleDuration = lastFrameDuration; } - // switch error to fatal - data.fatal = true; + logger["b" /* logger */].log('It is approximately ' + deltaToFrameEnd / 90 + ' ms to the next segment; using duration ' + mp4SampleDuration / 90 + ' ms for the last video frame.'); + } else { + mp4SampleDuration = lastFrameDuration; } + } else { + mp4SampleDuration = lastFrameDuration; } } - } + compositionTimeOffset = Math.round(avcSample.pts - avcSample.dts); + } else { + compositionTimeOffset = Math.max(0, mp4SampleDuration * Math.round((avcSample.pts - avcSample.dts) / mp4SampleDuration)); + } + + //console.log('PTS/DTS/initDTS/normPTS/normDTS/relative PTS : ${avcSample.pts}/${avcSample.dts}/${initDTS}/${ptsnorm}/${dtsnorm}/${(avcSample.pts/4294967296).toFixed(3)}'); + outputSamples.push({ + size: mp4SampleLength, + // constant duration + duration: mp4SampleDuration, + cts: compositionTimeOffset, + flags: { + isLeading: 0, + isDependedOn: 0, + hasRedundancy: 0, + degradPrio: 0, + dependsOn: avcSample.key ? 2 : 1, + isNonSync: avcSample.key ? 0 : 1 + } + }); } + // next AVC sample DTS should be equal to last sample DTS + last sample duration (in PES timescale) + this.nextAvcDts = lastDTS + mp4SampleDuration; + var dropped = track.dropped; + track.len = 0; + track.nbNalu = 0; + track.dropped = 0; + if (outputSamples.length && navigator.userAgent.toLowerCase().indexOf('chrome') > -1) { + var flags = outputSamples[0].flags; + // chrome workaround, mark first sample as being a Random Access Point to avoid sourcebuffer append issue + // https://code.google.com/p/chromium/issues/detail?id=229412 + flags.dependsOn = 2; + flags.isNonSync = 0; + } + track.samples = outputSamples; + moof = mp4_generator.moof(track.sequenceNumber++, firstDTS, track); + track.samples = []; + + var data = { + data1: moof, + data2: mdat, + startPTS: firstPTS / timeScale, + endPTS: (lastPTS + mp4SampleDuration) / timeScale, + startDTS: firstDTS / timeScale, + endDTS: this.nextAvcDts / timeScale, + type: 'video', + nb: outputSamples.length, + dropped: dropped + }; + this.observer.trigger(events["a" /* default */].FRAG_PARSING_DATA, data); + return data; + }; + + MP4Remuxer.prototype.remuxAudio = function remuxAudio(track, timeOffset, contiguous, accurateTimeOffset) { + var inputTimeScale = track.inputTimeScale, + mp4timeScale = track.timescale, + scaleFactor = inputTimeScale / mp4timeScale, + mp4SampleDuration = track.isAAC ? 1024 : 1152, + inputSampleDuration = mp4SampleDuration * scaleFactor, + ptsNormalize = this._PTSNormalize, + initDTS = this._initDTS, + rawMPEG = !track.isAAC && this.typeSupported.mpeg; + + var offset, + mp4Sample, + fillFrame, + mdat, + moof, + firstPTS, + lastPTS, + inputSamples = track.samples, + outputSamples = [], + nextAudioPts = this.nextAudioPts; + + // for audio samples, also consider consecutive fragments as being contiguous (even if a level switch occurs), + // for sake of clarity: + // consecutive fragments are frags with + // - less than 100ms gaps between new time offset (if accurate) and next expected PTS OR + // - less than 20 audio frames distance + // contiguous fragments are consecutive fragments from same quality level (same level, new SN = old SN + 1) + // this helps ensuring audio continuity + // and this also avoids audio glitches/cut when switching quality, or reporting wrong duration on first audio frame + contiguous |= inputSamples.length && nextAudioPts && (accurateTimeOffset && Math.abs(timeOffset - nextAudioPts / inputTimeScale) < 0.1 || Math.abs(inputSamples[0].pts - nextAudioPts - initDTS) < 20 * inputSampleDuration); + + if (!contiguous) { + // if fragments are not contiguous, let's use timeOffset to compute next Audio PTS + nextAudioPts = timeOffset * inputTimeScale; + } + + // compute normalized PTS + inputSamples.forEach(function (sample) { + sample.pts = sample.dts = ptsNormalize(sample.pts - initDTS, nextAudioPts); + }); - // reset level load error counter on successful frag loaded + // sort based on normalized PTS (this is to avoid sorting issues in case timestamp + // reloop in the middle of our samples array) + inputSamples.sort(function (a, b) { + return a.pts - b.pts; + }); - }, { - key: 'onFragLoaded', - value: function onFragLoaded(data) { - var fragLoaded = data.frag; - if (fragLoaded && fragLoaded.type === 'main') { - var level = this._levels[fragLoaded.level]; - if (level) { - level.loadError = 0; - } - } - } - }, { - key: 'onLevelLoaded', - value: function onLevelLoaded(data) { - var levelId = data.level; - // only process level loaded events matching with expected level - if (levelId === this._level) { - var curLevel = this._levels[levelId]; - // reset level load error counter on successful level loaded - curLevel.loadError = 0; - var newDetails = data.details; - // if current playlist is a live playlist, arm a timer to reload it - if (newDetails.live) { - var reloadInterval = 1000 * (newDetails.averagetargetduration ? newDetails.averagetargetduration : newDetails.targetduration), - curDetails = curLevel.details; - if (curDetails && newDetails.endSN === curDetails.endSN) { - // follow HLS Spec, If the client reloads a Playlist file and finds that it has not - // changed then it MUST wait for a period of one-half the target - // duration before retrying. - reloadInterval /= 2; - _logger.logger.log('same live playlist, reload twice faster'); + // If the audio track is missing samples, the frames seem to get "left-shifted" within the + // resulting mp4 segment, causing sync issues and leaving gaps at the end of the audio segment. + // In an effort to prevent this from happening, we inject frames here where there are gaps. + // When possible, we inject a silent frame; when that's not possible, we duplicate the last + // frame. + + // only inject/drop audio frames in case time offset is accurate + if (accurateTimeOffset && track.isAAC) { + var maxAudioFramesDrift = this.config.maxAudioFramesDrift; + for (var i = 0, nextPts = nextAudioPts; i < inputSamples.length;) { + // First, let's see how far off this frame is from where we expect it to be + var sample = inputSamples[i], + delta; + var pts = sample.pts; + delta = pts - nextPts; + + //console.log(Math.round(pts) + '/' + Math.round(nextPts) + '/' + Math.round(delta)); + var duration = Math.abs(1000 * delta / inputTimeScale); + + // If we're overlapping by more than a duration, drop this sample + if (delta <= -maxAudioFramesDrift * inputSampleDuration) { + logger["b" /* logger */].warn('Dropping 1 audio frame @ ' + (nextPts / inputTimeScale).toFixed(3) + 's due to ' + Math.round(duration) + ' ms overlap.'); + inputSamples.splice(i, 1); + track.len -= sample.unit.length; + // Don't touch nextPtsNorm or i + } + + // Insert missing frames if: + // 1: We're more than maxAudioFramesDrift frame away + // 2: Not more than MAX_SILENT_FRAME_DURATION away + // 3: currentTime (aka nextPtsNorm) is not 0 + else if (delta >= maxAudioFramesDrift * inputSampleDuration && duration < MAX_SILENT_FRAME_DURATION && nextPts) { + var missing = Math.round(delta / inputSampleDuration); + logger["b" /* logger */].warn('Injecting ' + missing + ' audio frame @ ' + (nextPts / inputTimeScale).toFixed(3) + 's due to ' + Math.round(1000 * delta / inputTimeScale) + ' ms gap.'); + for (var j = 0; j < missing; j++) { + var newStamp = Math.max(nextPts, 0); + fillFrame = aac.getSilentFrame(track.manifestCodec || track.codec, track.channelCount); + if (!fillFrame) { + logger["b" /* logger */].log('Unable to get silent frame for given audio codec; duplicating last frame instead.'); + fillFrame = sample.unit.subarray(); + } + inputSamples.splice(i, 0, { unit: fillFrame, pts: newStamp, dts: newStamp }); + track.len += fillFrame.length; + nextPts += inputSampleDuration; + i++; + } + + // Adjust sample to next expected pts + sample.pts = sample.dts = nextPts; + nextPts += inputSampleDuration; + i++; + } else { + // Otherwise, just adjust pts + if (Math.abs(delta) > 0.1 * inputSampleDuration) { + //logger.log(`Invalid frame delta ${Math.round(delta + inputSampleDuration)} at PTS ${Math.round(pts / 90)} (should be ${Math.round(inputSampleDuration)}).`); + } + sample.pts = sample.dts = nextPts; + nextPts += inputSampleDuration; + i++; } - // decrement reloadInterval with level loading delay - reloadInterval -= performance.now() - data.stats.trequest; - // in any case, don't reload more than every second - reloadInterval = Math.max(1000, Math.round(reloadInterval)); - _logger.logger.log('live playlist, reload in ' + reloadInterval + ' ms'); - this.timer = setTimeout(this.ontick, reloadInterval); - } else { - this.timer = null; - } } } - }, { - key: 'tick', - value: function tick() { - var levelId = this._level; - if (levelId !== undefined && this.canload) { - var level = this._levels[levelId]; - if (level && level.url) { - var urlId = level.urlId; - this.hls.trigger(_events2.default.LEVEL_LOADING, { url: level.url[urlId], level: levelId, id: urlId }); - } - } - } - }, { - key: 'levels', - get: function get() { - return this._levels; - } - }, { - key: 'level', - get: function get() { - return this._level; - }, - set: function set(newLevel) { - var levels = this._levels; - if (levels && levels.length > newLevel) { - if (this._level !== newLevel || levels[newLevel].details === undefined) { - this.setLevelInternal(newLevel); + + for (var _j2 = 0, _nbSamples = inputSamples.length; _j2 < _nbSamples; _j2++) { + var audioSample = inputSamples[_j2]; + var unit = audioSample.unit; + var _pts = audioSample.pts; + //logger.log(`Audio/PTS:${Math.round(pts/90)}`); + // if not first sample + if (lastPTS !== undefined) { + mp4Sample.duration = Math.round((_pts - lastPTS) / scaleFactor); + } else { + var _delta = Math.round(1000 * (_pts - nextAudioPts) / inputTimeScale), + numMissingFrames = 0; + // if fragment are contiguous, detect hole/overlapping between fragments + // contiguous fragments are consecutive fragments from same quality level (same level, new SN = old SN + 1) + if (contiguous && track.isAAC) { + // log delta + if (_delta) { + if (_delta > 0 && _delta < MAX_SILENT_FRAME_DURATION) { + numMissingFrames = Math.round((_pts - nextAudioPts) / inputSampleDuration); + logger["b" /* logger */].log(_delta + ' ms hole between AAC samples detected,filling it'); + if (numMissingFrames > 0) { + fillFrame = aac.getSilentFrame(track.manifestCodec || track.codec, track.channelCount); + if (!fillFrame) { + fillFrame = unit.subarray(); + } + track.len += numMissingFrames * fillFrame.length; + } + // if we have frame overlap, overlapping for more than half a frame duraion + } else if (_delta < -12) { + // drop overlapping audio frames... browser will deal with it + logger["b" /* logger */].log('drop overlapping AAC sample, expected/parsed/delta:' + (nextAudioPts / inputTimeScale).toFixed(3) + 's/' + (_pts / inputTimeScale).toFixed(3) + 's/' + -_delta + 'ms'); + track.len -= unit.byteLength; + continue; + } + // set PTS/DTS to expected PTS/DTS + _pts = nextAudioPts; + } } - } - } - }, { - key: 'manualLevel', - get: function get() { - return this._manualLevel; - }, - set: function set(newLevel) { - this._manualLevel = newLevel; - if (this._startLevel === undefined) { - this._startLevel = newLevel; - } - if (newLevel !== -1) { - this.level = newLevel; - } - } - }, { - key: 'firstLevel', - get: function get() { - return this._firstLevel; - }, - set: function set(newLevel) { - this._firstLevel = newLevel; - } - }, { - key: 'startLevel', - get: function get() { - // hls.startLevel takes precedence over config.startLevel - // if none of these values are defined, fallback on this._firstLevel (first quality level appearing in variant manifest) - if (this._startLevel === undefined) { - var configStartLevel = this.hls.config.startLevel; - if (configStartLevel !== undefined) { - return configStartLevel; + // remember first PTS of our audioSamples, ensure value is positive + firstPTS = Math.max(0, _pts); + if (track.len > 0) { + /* concatenate the audio data and construct the mdat in place + (need 8 more bytes to fill length and mdat type) */ + var mdatSize = rawMPEG ? track.len : track.len + 8; + offset = rawMPEG ? 0 : 8; + try { + mdat = new Uint8Array(mdatSize); + } catch (err) { + this.observer.trigger(events["a" /* default */].ERROR, { type: errors["b" /* ErrorTypes */].MUX_ERROR, details: errors["a" /* ErrorDetails */].REMUX_ALLOC_ERROR, fatal: false, bytes: mdatSize, reason: 'fail allocating audio mdat ' + mdatSize }); + return; + } + if (!rawMPEG) { + var view = new DataView(mdat.buffer); + view.setUint32(0, mdatSize); + mdat.set(mp4_generator.types.mdat, 4); + } } else { - return this._firstLevel; + // no audio samples + return; + } + for (var _i3 = 0; _i3 < numMissingFrames; _i3++) { + fillFrame = aac.getSilentFrame(track.manifestCodec || track.codec, track.channelCount); + if (!fillFrame) { + logger["b" /* logger */].log('Unable to get silent frame for given audio codec; duplicating this frame instead.'); + fillFrame = unit.subarray(); + } + mdat.set(fillFrame, offset); + offset += fillFrame.byteLength; + mp4Sample = { + size: fillFrame.byteLength, + cts: 0, + duration: 1024, + flags: { + isLeading: 0, + isDependedOn: 0, + hasRedundancy: 0, + degradPrio: 0, + dependsOn: 1 + } + }; + outputSamples.push(mp4Sample); + } + } + mdat.set(unit, offset); + var unitLen = unit.byteLength; + offset += unitLen; + //console.log('PTS/DTS/initDTS/normPTS/normDTS/relative PTS : ${audioSample.pts}/${audioSample.dts}/${initDTS}/${ptsnorm}/${dtsnorm}/${(audioSample.pts/4294967296).toFixed(3)}'); + mp4Sample = { + size: unitLen, + cts: 0, + duration: 0, + flags: { + isLeading: 0, + isDependedOn: 0, + hasRedundancy: 0, + degradPrio: 0, + dependsOn: 1 } + }; + outputSamples.push(mp4Sample); + lastPTS = _pts; + } + var lastSampleDuration = 0; + var nbSamples = outputSamples.length; + //set last sample duration as being identical to previous sample + if (nbSamples >= 2) { + lastSampleDuration = outputSamples[nbSamples - 2].duration; + mp4Sample.duration = lastSampleDuration; + } + if (nbSamples) { + // next audio sample PTS should be equal to last sample PTS + duration + this.nextAudioPts = nextAudioPts = lastPTS + scaleFactor * lastSampleDuration; + //logger.log('Audio/PTS/PTSend:' + audioSample.pts.toFixed(0) + '/' + this.nextAacDts.toFixed(0)); + track.len = 0; + track.samples = outputSamples; + if (rawMPEG) { + moof = new Uint8Array(); } else { - return this._startLevel; + moof = mp4_generator.moof(track.sequenceNumber++, firstPTS / scaleFactor, track); } - }, - set: function set(newLevel) { - this._startLevel = newLevel; + track.samples = []; + var start = firstPTS / inputTimeScale; + var end = nextAudioPts / inputTimeScale; + var audioData = { + data1: moof, + data2: mdat, + startPTS: start, + endPTS: end, + startDTS: start, + endDTS: end, + type: 'audio', + nb: nbSamples + }; + this.observer.trigger(events["a" /* default */].FRAG_PARSING_DATA, audioData); + return audioData; } - }, { - key: 'nextLoadLevel', - get: function get() { - if (this._manualLevel !== -1) { - return this._manualLevel; - } else { - return this.hls.nextAutoLevel; - } - }, - set: function set(nextLevel) { - this.level = nextLevel; - if (this._manualLevel === -1) { - this.hls.nextAutoLevel = nextLevel; - } + return null; + }; + + MP4Remuxer.prototype.remuxEmptyAudio = function remuxEmptyAudio(track, timeOffset, contiguous, videoData) { + var inputTimeScale = track.inputTimeScale, + mp4timeScale = track.samplerate ? track.samplerate : inputTimeScale, + scaleFactor = inputTimeScale / mp4timeScale, + nextAudioPts = this.nextAudioPts, + + + // sync with video's timestamp + startDTS = (nextAudioPts !== undefined ? nextAudioPts : videoData.startDTS * inputTimeScale) + this._initDTS, + endDTS = videoData.endDTS * inputTimeScale + this._initDTS, + + // one sample's duration value + sampleDuration = 1024, + frameDuration = scaleFactor * sampleDuration, + + + // samples count of this segment's duration + nbSamples = Math.ceil((endDTS - startDTS) / frameDuration), + + + // silent frame + silentFrame = aac.getSilentFrame(track.manifestCodec || track.codec, track.channelCount); + + logger["b" /* logger */].warn('remux empty Audio'); + // Can't remux if we can't generate a silent frame... + if (!silentFrame) { + logger["b" /* logger */].trace('Unable to remuxEmptyAudio since we were unable to get a silent frame for given audio codec!'); + return; } - }]); - return LevelController; -}(_eventHandler2.default); + var samples = []; + for (var i = 0; i < nbSamples; i++) { + var stamp = startDTS + i * frameDuration; + samples.push({ unit: silentFrame, pts: stamp, dts: stamp }); + track.len += silentFrame.length; + } + track.samples = samples; -exports.default = LevelController; + this.remuxAudio(track, timeOffset, contiguous); + }; -},{"33":33,"34":34,"35":35,"37":37,"53":53}],13:[function(_dereq_,module,exports){ -'use strict'; + MP4Remuxer.prototype.remuxID3 = function remuxID3(track, timeOffset) { + var length = track.samples.length, + sample; + var inputTimeScale = track.inputTimeScale; + var initPTS = this._initPTS; + var initDTS = this._initDTS; + // consume samples + if (length) { + for (var index = 0; index < length; index++) { + sample = track.samples[index]; + // setting id3 pts, dts to relative time + // using this._initPTS and this._initDTS to calculate relative time + sample.pts = (sample.pts - initPTS) / inputTimeScale; + sample.dts = (sample.dts - initDTS) / inputTimeScale; + } + this.observer.trigger(events["a" /* default */].FRAG_PARSING_METADATA, { + samples: track.samples + }); + } -Object.defineProperty(exports, "__esModule", { - value: true -}); + track.samples = []; + timeOffset = timeOffset; + }; -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); + MP4Remuxer.prototype.remuxText = function remuxText(track, timeOffset) { + track.samples.sort(function (a, b) { + return a.pts - b.pts; + }); -var _binarySearch = _dereq_(48); + var length = track.samples.length, + sample; + var inputTimeScale = track.inputTimeScale; + var initPTS = this._initPTS; + // consume samples + if (length) { + for (var index = 0; index < length; index++) { + sample = track.samples[index]; + // setting text pts, dts to relative time + // using this._initPTS and this._initDTS to calculate relative time + sample.pts = (sample.pts - initPTS) / inputTimeScale; + } + this.observer.trigger(events["a" /* default */].FRAG_PARSING_USERDATA, { + samples: track.samples + }); + } -var _binarySearch2 = _interopRequireDefault(_binarySearch); + track.samples = []; + timeOffset = timeOffset; + }; -var _bufferHelper = _dereq_(37); + MP4Remuxer.prototype._PTSNormalize = function _PTSNormalize(value, reference) { + var offset; + if (reference === undefined) { + return value; + } + if (reference < value) { + // - 2^33 + offset = -8589934592; + } else { + // + 2^33 + offset = 8589934592; + } + /* PTS is 33bit (from 0 to 2^33 -1) + if diff between value and reference is bigger than half of the amplitude (2^32) then it means that + PTS looping occured. fill the gap */ + while (Math.abs(value - reference) > 4294967296) { + value += offset; + } + return value; + }; -var _bufferHelper2 = _interopRequireDefault(_bufferHelper); + return MP4Remuxer; +}(); -var _demuxer = _dereq_(25); +/* harmony default export */ var mp4_remuxer = (mp4_remuxer_MP4Remuxer); +// CONCATENATED MODULE: ./src/remux/passthrough-remuxer.js +function passthrough_remuxer__classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } -var _demuxer2 = _interopRequireDefault(_demuxer); +/** + * passthrough remuxer +*/ -var _events = _dereq_(35); -var _events2 = _interopRequireDefault(_events); +var passthrough_remuxer_PassThroughRemuxer = function () { + function PassThroughRemuxer(observer) { + passthrough_remuxer__classCallCheck(this, PassThroughRemuxer); -var _eventHandler = _dereq_(34); + this.observer = observer; + } -var _eventHandler2 = _interopRequireDefault(_eventHandler); + PassThroughRemuxer.prototype.destroy = function destroy() {}; -var _levelHelper = _dereq_(38); + PassThroughRemuxer.prototype.resetTimeStamp = function resetTimeStamp() {}; -var _levelHelper2 = _interopRequireDefault(_levelHelper); + PassThroughRemuxer.prototype.resetInitSegment = function resetInitSegment() {}; -var _timeRanges = _dereq_(54); + PassThroughRemuxer.prototype.remux = function remux(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset, rawData) { + var observer = this.observer; + var streamType = ''; + if (audioTrack) { + streamType += 'audio'; + } + if (videoTrack) { + streamType += 'video'; + } + observer.trigger(events["a" /* default */].FRAG_PARSING_DATA, { + data1: rawData, + startPTS: timeOffset, + startDTS: timeOffset, + type: streamType, + nb: 1, + dropped: 0 + }); + //notify end of parsing + observer.trigger(events["a" /* default */].FRAG_PARSED); + }; -var _timeRanges2 = _interopRequireDefault(_timeRanges); + return PassThroughRemuxer; +}(); -var _errors = _dereq_(33); +/* harmony default export */ var passthrough_remuxer = (passthrough_remuxer_PassThroughRemuxer); +// CONCATENATED MODULE: ./src/demux/demuxer-inline.js +function demuxer_inline__classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } -var _logger = _dereq_(53); +/* inline demuxer. + * probe fragments and instantiate appropriate demuxer depending on content type (TSDemuxer, AACDemuxer, ...) + */ -function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } -function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; } -function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } /* - * Stream Controller - */ -var State = { - STOPPED: 'STOPPED', - IDLE: 'IDLE', - KEY_LOADING: 'KEY_LOADING', - FRAG_LOADING: 'FRAG_LOADING', - FRAG_LOADING_WAITING_RETRY: 'FRAG_LOADING_WAITING_RETRY', - WAITING_LEVEL: 'WAITING_LEVEL', - PARSING: 'PARSING', - PARSED: 'PARSED', - BUFFER_FLUSHING: 'BUFFER_FLUSHING', - ENDED: 'ENDED', - ERROR: 'ERROR' -}; -var StreamController = function (_EventHandler) { - _inherits(StreamController, _EventHandler); - function StreamController(hls) { - _classCallCheck(this, StreamController); - var _this = _possibleConstructorReturn(this, (StreamController.__proto__ || Object.getPrototypeOf(StreamController)).call(this, hls, _events2.default.MEDIA_ATTACHED, _events2.default.MEDIA_DETACHING, _events2.default.MANIFEST_LOADING, _events2.default.MANIFEST_PARSED, _events2.default.LEVEL_LOADED, _events2.default.KEY_LOADED, _events2.default.FRAG_LOADED, _events2.default.FRAG_LOAD_EMERGENCY_ABORTED, _events2.default.FRAG_PARSING_INIT_SEGMENT, _events2.default.FRAG_PARSING_DATA, _events2.default.FRAG_PARSED, _events2.default.ERROR, _events2.default.AUDIO_TRACK_SWITCHING, _events2.default.AUDIO_TRACK_SWITCHED, _events2.default.BUFFER_CREATED, _events2.default.BUFFER_APPENDED, _events2.default.BUFFER_FLUSHED)); - _this.config = hls.config; - _this.audioCodecSwap = false; - _this.ticks = 0; - _this._state = State.STOPPED; - _this.ontick = _this.tick.bind(_this); - return _this; + + +var demuxer_inline_DemuxerInline = function () { + function DemuxerInline(observer, typeSupported, config, vendor) { + demuxer_inline__classCallCheck(this, DemuxerInline); + + this.observer = observer; + this.typeSupported = typeSupported; + this.config = config; + this.vendor = vendor; } - _createClass(StreamController, [{ - key: 'destroy', - value: function destroy() { - this.stopLoad(); - if (this.timer) { - clearInterval(this.timer); - this.timer = null; - } - _eventHandler2.default.prototype.destroy.call(this); - this.state = State.STOPPED; + DemuxerInline.prototype.destroy = function destroy() { + var demuxer = this.demuxer; + if (demuxer) { + demuxer.destroy(); } - }, { - key: 'startLoad', - value: function startLoad(startPosition) { - if (this.levels) { - var lastCurrentTime = this.lastCurrentTime, - hls = this.hls; - this.stopLoad(); - if (!this.timer) { - this.timer = setInterval(this.ontick, 100); - } - this.level = -1; - this.fragLoadError = 0; - if (!this.startFragRequested) { - // determine load level - var startLevel = hls.startLevel; - if (startLevel === -1) { - // -1 : guess start Level by doing a bitrate test by loading first fragment of lowest quality level - startLevel = 0; - this.bitrateTest = true; - } - // set new level to playlist loader : this will trigger start level load - // hls.nextLoadLevel remains until it is set to a new value or until a new frag is successfully loaded - this.level = hls.nextLoadLevel = startLevel; - this.loadedmetadata = false; - } - // if startPosition undefined but lastCurrentTime set, set startPosition to last currentTime - if (lastCurrentTime > 0 && startPosition === -1) { - _logger.logger.log('override startPosition with lastCurrentTime @' + lastCurrentTime.toFixed(3)); - startPosition = lastCurrentTime; - } - this.state = State.IDLE; - this.nextLoadPosition = this.startPosition = this.lastCurrentTime = startPosition; - this.tick(); - } else { - this.forceStartLoad = true; - this.state = State.STOPPED; + }; + + DemuxerInline.prototype.push = function push(data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS) { + if (data.byteLength > 0 && decryptdata != null && decryptdata.key != null && decryptdata.method === 'AES-128') { + var decrypter = this.decrypter; + if (decrypter == null) { + decrypter = this.decrypter = new crypt_decrypter["a" /* default */](this.observer, this.config); + } + var localthis = this; + // performance.now() not available on WebWorker, at least on Safari Desktop + var startTime; + try { + startTime = performance.now(); + } catch (error) { + startTime = Date.now(); } + decrypter.decrypt(data, decryptdata.key.buffer, decryptdata.iv.buffer, function (decryptedData) { + var endTime; + try { + endTime = performance.now(); + } catch (error) { + endTime = Date.now(); + } + localthis.observer.trigger(events["a" /* default */].FRAG_DECRYPTED, { stats: { tstart: startTime, tdecrypt: endTime } }); + localthis.pushDecrypted(new Uint8Array(decryptedData), decryptdata, new Uint8Array(initSegment), audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS); + }); + } else { + this.pushDecrypted(new Uint8Array(data), decryptdata, new Uint8Array(initSegment), audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS); } - }, { - key: 'stopLoad', - value: function stopLoad() { - var frag = this.fragCurrent; - if (frag) { - if (frag.loader) { - frag.loader.abort(); + }; + + DemuxerInline.prototype.pushDecrypted = function pushDecrypted(data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS) { + var demuxer = this.demuxer; + if (!demuxer || + // in case of continuity change, we might switch from content type (AAC container to TS container for example) + // so let's check that current demuxer is still valid + discontinuity && !this.probe(data)) { + var observer = this.observer; + var typeSupported = this.typeSupported; + var config = this.config; + // probing order is TS/AAC/MP3/MP4 + var muxConfig = [{ demux: tsdemuxer, remux: mp4_remuxer }, { demux: aacdemuxer, remux: mp4_remuxer }, { demux: mp3demuxer, remux: mp4_remuxer }, { demux: mp4demuxer, remux: passthrough_remuxer }]; + + // probe for content type + for (var i = 0, len = muxConfig.length; i < len; i++) { + var mux = muxConfig[i]; + var probe = mux.demux.probe; + if (probe(data)) { + var _remuxer = this.remuxer = new mux.remux(observer, config, typeSupported, this.vendor); + demuxer = new mux.demux(observer, _remuxer, config, typeSupported); + this.probe = probe; + break; } - this.fragCurrent = null; } - this.fragPrevious = null; - if (this.demuxer) { - this.demuxer.destroy(); - this.demuxer = null; + if (!demuxer) { + observer.trigger(events["a" /* default */].ERROR, { type: errors["b" /* ErrorTypes */].MEDIA_ERROR, details: errors["a" /* ErrorDetails */].FRAG_PARSING_ERROR, fatal: true, reason: 'no demux matching with content found' }); + return; } - this.state = State.STOPPED; - this.forceStartLoad = false; + this.demuxer = demuxer; } - }, { - key: 'tick', - value: function tick() { - this.ticks++; - if (this.ticks === 1) { - this.doTick(); - if (this.ticks > 1) { - setTimeout(this.tick, 1); - } - this.ticks = 0; - } + var remuxer = this.remuxer; + + if (discontinuity || trackSwitch) { + demuxer.resetInitSegment(initSegment, audioCodec, videoCodec, duration); + remuxer.resetInitSegment(); } - }, { - key: 'doTick', - value: function doTick() { - switch (this.state) { - case State.ERROR: - //don't do anything in error state to avoid breaking further ... - break; - case State.BUFFER_FLUSHING: - // in buffer flushing state, reset fragLoadError counter - this.fragLoadError = 0; - break; - case State.IDLE: - this._doTickIdle(); - break; - case State.WAITING_LEVEL: - var level = this.levels[this.level]; - // check if playlist is already loaded - if (level && level.details) { - this.state = State.IDLE; - } - break; - case State.FRAG_LOADING_WAITING_RETRY: - var now = performance.now(); - var retryDate = this.retryDate; - // if current time is gt than retryDate, or if media seeking let's switch to IDLE state to retry loading - if (!retryDate || now >= retryDate || this.media && this.media.seeking) { - _logger.logger.log('mediaController: retryDate reached, switch back to IDLE state'); - this.state = State.IDLE; - } - break; - case State.ERROR: - case State.STOPPED: - case State.FRAG_LOADING: - case State.PARSING: - case State.PARSED: - case State.ENDED: - break; - default: - break; - } - // check buffer - this._checkBuffer(); - // check/update current fragment - this._checkFragmentChanged(); + if (discontinuity) { + demuxer.resetTimeStamp(defaultInitPTS); + remuxer.resetTimeStamp(defaultInitPTS); } + if (typeof demuxer.setDecryptData === 'function') { + demuxer.setDecryptData(decryptdata); + } + demuxer.append(data, timeOffset, contiguous, accurateTimeOffset); + }; - // Ironically the "idle" state is the on we do the most logic in it seems .... - // NOTE: Maybe we could rather schedule a check for buffer length after half of the currently - // played segment, or on pause/play/seek instead of naively checking every 100ms? + return DemuxerInline; +}(); - }, { - key: '_doTickIdle', - value: function _doTickIdle() { - var hls = this.hls, - config = hls.config, - media = this.media; +/* harmony default export */ var demuxer_inline = __webpack_exports__["a"] = (demuxer_inline_DemuxerInline); - // if video not attached AND - // start fragment already requested OR start frag prefetch disable - // exit loop - // => if start level loaded and media not attached but start frag prefetch is enabled and start frag not requested yet, we will not exit loop - if (this.levelLastLoaded !== undefined && !media && (this.startFragRequested || !config.startFragPrefetch)) { - return; - } +/***/ }), +/* 8 */ +/***/ (function(module, __webpack_exports__, __webpack_require__) { - // if we have not yet loaded any fragment, start loading from start position - var pos = void 0; - if (this.loadedmetadata) { - pos = media.currentTime; - } else { - pos = this.nextLoadPosition; - } - // determine next load level - var level = hls.nextLoadLevel, - levelInfo = this.levels[level]; +"use strict"; +Object.defineProperty(__webpack_exports__, "__esModule", { value: true }); +var cues_namespaceObject = {}; +__webpack_require__.d(cues_namespaceObject, "newCue", function() { return newCue; }); - if (!levelInfo) { - return; - } +// EXTERNAL MODULE: ./node_modules/url-toolkit/src/url-toolkit.js +var url_toolkit = __webpack_require__(6); +var url_toolkit_default = /*#__PURE__*/__webpack_require__.n(url_toolkit); - var levelBitrate = levelInfo.bitrate, - maxBufLen = void 0; +// EXTERNAL MODULE: ./src/events.js +var events = __webpack_require__(1); - // compute max Buffer Length that we could get from this load level, based on level bitrate. don't buffer more than 60 MB and more than 30s - if (levelBitrate) { - maxBufLen = Math.max(8 * config.maxBufferSize / levelBitrate, config.maxBufferLength); - } else { - maxBufLen = config.maxBufferLength; - } - maxBufLen = Math.min(maxBufLen, config.maxMaxBufferLength); +// EXTERNAL MODULE: ./src/errors.js +var errors = __webpack_require__(2); - // determine next candidate fragment to be loaded, based on current position and end of buffer position - // ensure up to `config.maxMaxBufferLength` of buffer upfront +// EXTERNAL MODULE: ./src/utils/logger.js +var logger = __webpack_require__(0); - var bufferInfo = _bufferHelper2.default.bufferInfo(this.mediaBuffer ? this.mediaBuffer : media, pos, config.maxBufferHole), - bufferLen = bufferInfo.len; - // Stay idle if we are still with buffer margins - if (bufferLen >= maxBufLen) { - return; - } +// CONCATENATED MODULE: ./src/event-handler.js +var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; - // if buffer length is less than maxBufLen try to load a new fragment ... - _logger.logger.trace('buffer length of ' + bufferLen.toFixed(3) + ' is below max of ' + maxBufLen.toFixed(3) + '. checking for more payload ...'); +function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } - // set next load level : this will trigger a playlist load if needed - this.level = hls.nextLoadLevel = level; +/* +* +* All objects in the event handling chain should inherit from this class +* +*/ - var levelDetails = levelInfo.details; - // if level info not retrieved yet, switch state and wait for level retrieval - // if live playlist, ensure that new playlist has been refreshed to avoid loading/try to load - // a useless and outdated fragment (that might even introduce load error if it is already out of the live playlist) - if (typeof levelDetails === 'undefined' || levelDetails.live && this.levelLastLoaded !== level) { - this.state = State.WAITING_LEVEL; - return; - } - // we just got done loading the final fragment, check if we need to finalize media stream - var fragPrevious = this.fragPrevious; - if (!levelDetails.live && fragPrevious && fragPrevious.sn === levelDetails.endSN) { - // fragPrevious is last fragment. retrieve level duration using last frag start offset + duration - // real duration might be lower than initial duration if there are drifts between real frag duration and playlist signaling - var duration = Math.min(media.duration, fragPrevious.start + fragPrevious.duration); - // if everything (almost) til the end is buffered, let's signal eos - // we don't compare exactly media.duration === bufferInfo.end as there could be some subtle media duration difference (audio/video offsets...) - // tolerate up to one frag duration to cope with these cases. - // also cope with almost zero last frag duration (max last frag duration with 200ms) refer to https://github.com/video-dev/hls.js/pull/657 - if (duration - Math.max(bufferInfo.end, fragPrevious.start) <= Math.max(0.2, fragPrevious.duration)) { - // Finalize the media stream - var data = {}; - if (this.altAudio) { - data.type = 'video'; - } - this.hls.trigger(_events2.default.BUFFER_EOS, data); - this.state = State.ENDED; - return; - } - } - // if we have the levelDetails for the selected variant, lets continue enrichen our stream (load keys/fragments or trigger EOS, etc..) - this._fetchPayloadOrEos(pos, bufferInfo, levelDetails); - } - }, { - key: '_fetchPayloadOrEos', - value: function _fetchPayloadOrEos(pos, bufferInfo, levelDetails) { - var fragPrevious = this.fragPrevious, - level = this.level, - fragments = levelDetails.fragments, - fragLen = fragments.length; - - // empty playlist - if (fragLen === 0) { - return; - } - // find fragment index, contiguous with end of buffer position - var start = fragments[0].start, - end = fragments[fragLen - 1].start + fragments[fragLen - 1].duration, - bufferEnd = bufferInfo.end, - frag = void 0; - if (levelDetails.initSegment && !levelDetails.initSegment.data) { - frag = levelDetails.initSegment; - } else { - // in case of live playlist we need to ensure that requested position is not located before playlist start - if (levelDetails.live) { - var initialLiveManifestSize = this.config.initialLiveManifestSize; - if (fragLen < initialLiveManifestSize) { - _logger.logger.warn('Can not start playback of a level, reason: not enough fragments ' + fragLen + ' < ' + initialLiveManifestSize); - return; - } +var event_handler_EventHandler = function () { + function EventHandler(hls) { + _classCallCheck(this, EventHandler); - frag = this._ensureFragmentAtLivePoint(levelDetails, bufferEnd, start, end, fragPrevious, fragments, fragLen); - // if it explicitely returns null don't load any fragment and exit function now - if (frag === null) { - return; - } - } else { - // VoD playlist: if bufferEnd before start of playlist, load first fragment - if (bufferEnd < start) { - frag = fragments[0]; - } - } - } - if (!frag) { - frag = this._findFragment(start, fragPrevious, fragLen, fragments, bufferEnd, end, levelDetails); - } - if (frag) { - this._loadFragmentOrKey(frag, level, levelDetails, pos, bufferEnd); - } - return; - } - }, { - key: '_ensureFragmentAtLivePoint', - value: function _ensureFragmentAtLivePoint(levelDetails, bufferEnd, start, end, fragPrevious, fragments, fragLen) { - var config = this.hls.config, - media = this.media; - - var frag = void 0; - - // check if requested position is within seekable boundaries : - //logger.log(`start/pos/bufEnd/seeking:${start.toFixed(3)}/${pos.toFixed(3)}/${bufferEnd.toFixed(3)}/${this.media.seeking}`); - var maxLatency = config.liveMaxLatencyDuration !== undefined ? config.liveMaxLatencyDuration : config.liveMaxLatencyDurationCount * levelDetails.targetduration; - - if (bufferEnd < Math.max(start - config.maxFragLookUpTolerance, end - maxLatency)) { - var liveSyncPosition = this.liveSyncPosition = this.computeLivePosition(start, levelDetails); - _logger.logger.log('buffer end: ' + bufferEnd.toFixed(3) + ' is located too far from the end of live sliding playlist, reset currentTime to : ' + liveSyncPosition.toFixed(3)); - bufferEnd = liveSyncPosition; - if (media && media.readyState && media.duration > liveSyncPosition) { - media.currentTime = liveSyncPosition; - } - } - - // if end of buffer greater than live edge, don't load any fragment - // this could happen if live playlist intermittently slides in the past. - // level 1 loaded [182580161,182580167] - // level 1 loaded [182580162,182580169] - // Loading 182580168 of [182580162 ,182580169],level 1 .. - // Loading 182580169 of [182580162 ,182580169],level 1 .. - // level 1 loaded [182580162,182580168] <============= here we should have bufferEnd > end. in that case break to avoid reloading 182580168 - // level 1 loaded [182580164,182580171] - // - // don't return null in case media not loaded yet (readystate === 0) - if (levelDetails.PTSKnown && bufferEnd > end && media && media.readyState) { - return null; - } + this.hls = hls; + this.onEvent = this.onEvent.bind(this); - if (this.startFragRequested && !levelDetails.PTSKnown) { - /* we are switching level on live playlist, but we don't have any PTS info for that quality level ... - try to load frag matching with next SN. - even if SN are not synchronized between playlists, loading this frag will help us - compute playlist sliding and find the right one after in case it was not the right consecutive one */ - if (fragPrevious) { - var targetSN = fragPrevious.sn + 1; - if (targetSN >= levelDetails.startSN && targetSN <= levelDetails.endSN) { - frag = fragments[targetSN - levelDetails.startSN]; - _logger.logger.log('live playlist, switching playlist, load frag with next SN: ' + frag.sn); - } - } - if (!frag) { - /* we have no idea about which fragment should be loaded. - so let's load mid fragment. it will help computing playlist sliding and find the right one - */ - frag = fragments[Math.min(fragLen - 1, Math.round(fragLen / 2))]; - _logger.logger.log('live playlist, switching playlist, unknown, load middle frag : ' + frag.sn); - } - } - return frag; + for (var _len = arguments.length, events = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) { + events[_key - 1] = arguments[_key]; } - }, { - key: '_findFragment', - value: function _findFragment(start, fragPrevious, fragLen, fragments, bufferEnd, end, levelDetails) { - var config = this.hls.config; - var frag = void 0; - var foundFrag = void 0; - var maxFragLookUpTolerance = config.maxFragLookUpTolerance; - var fragNext = fragPrevious ? fragments[fragPrevious.sn - fragments[0].sn + 1] : undefined; - var fragmentWithinToleranceTest = function fragmentWithinToleranceTest(candidate) { - // offset should be within fragment boundary - config.maxFragLookUpTolerance - // this is to cope with situations like - // bufferEnd = 9.991 - // frag[Ø] : [0,10] - // frag[1] : [10,20] - // bufferEnd is within frag[0] range ... although what we are expecting is to return frag[1] here - // frag start frag start+duration - // |-----------------------------| - // <---> <---> - // ...--------><-----------------------------><---------.... - // previous frag matching fragment next frag - // return -1 return 0 return 1 - //logger.log(`level/sn/start/end/bufEnd:${level}/${candidate.sn}/${candidate.start}/${(candidate.start+candidate.duration)}/${bufferEnd}`); - // Set the lookup tolerance to be small enough to detect the current segment - ensures we don't skip over very small segments - var candidateLookupTolerance = Math.min(maxFragLookUpTolerance, candidate.duration); - if (candidate.start + candidate.duration - candidateLookupTolerance <= bufferEnd) { - return 1; - } // if maxFragLookUpTolerance will have negative value then don't return -1 for first element - else if (candidate.start - candidateLookupTolerance > bufferEnd && candidate.start) { - return -1; - } - return 0; - }; - if (bufferEnd < end) { - if (bufferEnd > end - maxFragLookUpTolerance) { - maxFragLookUpTolerance = 0; - } - // Prefer the next fragment if it's within tolerance - if (fragNext && !fragmentWithinToleranceTest(fragNext)) { - foundFrag = fragNext; - } else { - foundFrag = _binarySearch2.default.search(fragments, fragmentWithinToleranceTest); - } - } else { - // reach end of playlist - foundFrag = fragments[fragLen - 1]; - } - if (foundFrag) { - frag = foundFrag; - var curSNIdx = frag.sn - levelDetails.startSN; - var sameLevel = fragPrevious && frag.level === fragPrevious.level; - var prevFrag = fragments[curSNIdx - 1]; - var nextFrag = fragments[curSNIdx + 1]; - //logger.log('find SN matching with pos:' + bufferEnd + ':' + frag.sn); - if (fragPrevious && frag.sn === fragPrevious.sn) { - if (sameLevel && !frag.backtracked) { - if (frag.sn < levelDetails.endSN) { - var deltaPTS = fragPrevious.deltaPTS; - // if there is a significant delta between audio and video, larger than max allowed hole, - // and if previous remuxed fragment did not start with a keyframe. (fragPrevious.dropped) - // let's try to load previous fragment again to get last keyframe - // then we will reload again current fragment (that way we should be able to fill the buffer hole ...) - if (deltaPTS && deltaPTS > config.maxBufferHole && fragPrevious.dropped && curSNIdx) { - frag = prevFrag; - _logger.logger.warn('SN just loaded, with large PTS gap between audio and video, maybe frag is not starting with a keyframe ? load previous one to try to overcome this'); - // decrement previous frag load counter to avoid frag loop loading error when next fragment will get reloaded - fragPrevious.loadCounter--; - } else { - frag = nextFrag; - _logger.logger.log('SN just loaded, load next one: ' + frag.sn); - } - } else { - frag = null; - } - } else if (frag.backtracked) { - // Only backtrack a max of 1 consecutive fragment to prevent sliding back too far when little or no frags start with keyframes - if (nextFrag && nextFrag.backtracked) { - _logger.logger.warn('Already backtracked from fragment ' + nextFrag.sn + ', will not backtrack to fragment ' + frag.sn + '. Loading fragment ' + nextFrag.sn); - frag = nextFrag; - } else { - // If a fragment has dropped frames and it's in a same level/sequence, load the previous fragment to try and find the keyframe - // Reset the dropped count now since it won't be reset until we parse the fragment again, which prevents infinite backtracking on the same segment - _logger.logger.warn('Loaded fragment with dropped frames, backtracking 1 segment to find a keyframe'); - frag.dropped = 0; - if (prevFrag) { - if (prevFrag.loadCounter) { - prevFrag.loadCounter--; - } - frag = prevFrag; - frag.backtracked = true; - } else { - frag = null; - } - } - } - } - } - return frag; - } - }, { - key: '_loadFragmentOrKey', - value: function _loadFragmentOrKey(frag, level, levelDetails, pos, bufferEnd) { - var hls = this.hls, - config = hls.config; + this.handledEvents = events; + this.useGenericHandler = true; - //logger.log('loading frag ' + i +',pos/bufEnd:' + pos.toFixed(3) + '/' + bufferEnd.toFixed(3)); - if (frag.decryptdata && frag.decryptdata.uri != null && frag.decryptdata.key == null) { - _logger.logger.log('Loading key for ' + frag.sn + ' of [' + levelDetails.startSN + ' ,' + levelDetails.endSN + '],level ' + level); - this.state = State.KEY_LOADING; - hls.trigger(_events2.default.KEY_LOADING, { frag: frag }); - } else { - _logger.logger.log('Loading ' + frag.sn + ' of [' + levelDetails.startSN + ' ,' + levelDetails.endSN + '],level ' + level + ', currentTime:' + pos.toFixed(3) + ',bufferEnd:' + bufferEnd.toFixed(3)); - // ensure that we are not reloading the same fragments in loop ... - if (this.fragLoadIdx !== undefined) { - this.fragLoadIdx++; - } else { - this.fragLoadIdx = 0; - } - if (frag.loadCounter) { - frag.loadCounter++; - var maxThreshold = config.fragLoadingLoopThreshold; - // if this frag has already been loaded 3 times, and if it has been reloaded recently - if (frag.loadCounter > maxThreshold && Math.abs(this.fragLoadIdx - frag.loadIdx) < maxThreshold) { - hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.MEDIA_ERROR, details: _errors.ErrorDetails.FRAG_LOOP_LOADING_ERROR, fatal: false, frag: frag }); - return; - } - } else { - frag.loadCounter = 1; - } - frag.loadIdx = this.fragLoadIdx; - this.fragCurrent = frag; - this.startFragRequested = true; - if (!isNaN(frag.sn)) { - this.nextLoadPosition = frag.start + frag.duration; - } - frag.autoLevel = hls.autoLevelEnabled; - frag.bitrateTest = this.bitrateTest; - hls.trigger(_events2.default.FRAG_LOADING, { frag: frag }); - // lazy demuxer init, as this could take some time ... do it during frag loading - if (!this.demuxer) { - this.demuxer = new _demuxer2.default(hls, 'main'); - } - this.state = State.FRAG_LOADING; - return; - } - } - }, { - key: 'getBufferedFrag', - value: function getBufferedFrag(position) { - return _binarySearch2.default.search(this._bufferedFrags, function (frag) { - if (position < frag.startPTS) { - return -1; - } else if (position > frag.endPTS) { - return 1; + this.registerListeners(); + } + + EventHandler.prototype.destroy = function destroy() { + this.unregisterListeners(); + }; + + EventHandler.prototype.isEventHandler = function isEventHandler() { + return _typeof(this.handledEvents) === 'object' && this.handledEvents.length && typeof this.onEvent === 'function'; + }; + + EventHandler.prototype.registerListeners = function registerListeners() { + if (this.isEventHandler()) { + this.handledEvents.forEach(function (event) { + if (event === 'hlsEventGeneric') { + throw new Error('Forbidden event name: ' + event); } - return 0; - }); - } - }, { - key: 'followingBufferedFrag', - value: function followingBufferedFrag(frag) { - if (frag) { - // try to get range of next fragment (500ms after this range) - return this.getBufferedFrag(frag.endPTS + 0.5); - } - return null; + this.hls.on(event, this.onEvent); + }, this); } - }, { - key: '_checkFragmentChanged', - value: function _checkFragmentChanged() { - var fragPlayingCurrent, - currentTime, - video = this.media; - if (video && video.readyState && video.seeking === false) { - currentTime = video.currentTime; - /* if video element is in seeked state, currentTime can only increase. - (assuming that playback rate is positive ...) - As sometimes currentTime jumps back to zero after a - media decode error, check this, to avoid seeking back to - wrong position after a media decode error - */ - if (currentTime > video.playbackRate * this.lastCurrentTime) { - this.lastCurrentTime = currentTime; - } - if (_bufferHelper2.default.isBuffered(video, currentTime)) { - fragPlayingCurrent = this.getBufferedFrag(currentTime); - } else if (_bufferHelper2.default.isBuffered(video, currentTime + 0.1)) { - /* ensure that FRAG_CHANGED event is triggered at startup, - when first video frame is displayed and playback is paused. - add a tolerance of 100ms, in case current position is not buffered, - check if current pos+100ms is buffered and use that buffer range - for FRAG_CHANGED event reporting */ - fragPlayingCurrent = this.getBufferedFrag(currentTime + 0.1); - } - if (fragPlayingCurrent) { - var fragPlaying = fragPlayingCurrent; - if (fragPlaying !== this.fragPlaying) { - this.hls.trigger(_events2.default.FRAG_CHANGED, { frag: fragPlaying }); - var fragPlayingLevel = fragPlaying.level; - if (!this.fragPlaying || this.fragPlaying.level !== fragPlayingLevel) { - this.hls.trigger(_events2.default.LEVEL_SWITCHED, { level: fragPlayingLevel }); - } - this.fragPlaying = fragPlaying; - } - } - } + }; + + EventHandler.prototype.unregisterListeners = function unregisterListeners() { + if (this.isEventHandler()) { + this.handledEvents.forEach(function (event) { + this.hls.off(event, this.onEvent); + }, this); } + }; - /* - on immediate level switch : - - pause playback if playing - - cancel any pending load request - - and trigger a buffer flush - */ + /** + * arguments: event (string), data (any) + */ - }, { - key: 'immediateLevelSwitch', - value: function immediateLevelSwitch() { - _logger.logger.log('immediateLevelSwitch'); - if (!this.immediateSwitch) { - this.immediateSwitch = true; - var media = this.media, - previouslyPaused = void 0; - if (media) { - previouslyPaused = media.paused; - media.pause(); - } else { - // don't restart playback after instant level switch in case media not attached - previouslyPaused = true; - } - this.previouslyPaused = previouslyPaused; - } - var fragCurrent = this.fragCurrent; - if (fragCurrent && fragCurrent.loader) { - fragCurrent.loader.abort(); - } - this.fragCurrent = null; - // increase fragment load Index to avoid frag loop loading error after buffer flush - this.fragLoadIdx += 2 * this.config.fragLoadingLoopThreshold; - // flush everything - this.flushMainBuffer(0, Number.POSITIVE_INFINITY); - } - /* - on immediate level switch end, after new fragment has been buffered : - - nudge video decoder by slightly adjusting video currentTime (if currentTime buffered) - - resume the playback if needed - */ + EventHandler.prototype.onEvent = function onEvent(event, data) { + this.onEventGeneric(event, data); + }; - }, { - key: 'immediateLevelSwitchEnd', - value: function immediateLevelSwitchEnd() { - var media = this.media; - if (media && media.buffered.length) { - this.immediateSwitch = false; - if (_bufferHelper2.default.isBuffered(media, media.currentTime)) { - // only nudge if currentTime is buffered - media.currentTime -= 0.0001; - } - if (!this.previouslyPaused) { - media.play(); - } + EventHandler.prototype.onEventGeneric = function onEventGeneric(event, data) { + var eventToFunction = function eventToFunction(event, data) { + var funcName = 'on' + event.replace('hls', ''); + if (typeof this[funcName] !== 'function') { + throw new Error('Event ' + event + ' has no generic handler in this ' + this.constructor.name + ' class (tried ' + funcName + ')'); } + return this[funcName].bind(this, data); + }; + try { + eventToFunction.call(this, event, data).call(); + } catch (err) { + logger["b" /* logger */].error('internal error happened while processing ' + event + ':' + err.message); + this.hls.trigger(events["a" /* default */].ERROR, { type: errors["b" /* ErrorTypes */].OTHER_ERROR, details: errors["a" /* ErrorDetails */].INTERNAL_EXCEPTION, fatal: false, event: event, err: err }); } - }, { - key: 'nextLevelSwitch', - value: function nextLevelSwitch() { - /* try to switch ASAP without breaking video playback : - in order to ensure smooth but quick level switching, - we need to find the next flushable buffer range - we should take into account new segment fetch time - */ - var media = this.media; - // ensure that media is defined and that metadata are available (to retrieve currentTime) - if (media && media.readyState) { - var fetchdelay = void 0, - fragPlayingCurrent = void 0, - nextBufferedFrag = void 0; - // increase fragment load Index to avoid frag loop loading error after buffer flush - this.fragLoadIdx += 2 * this.config.fragLoadingLoopThreshold; - fragPlayingCurrent = this.getBufferedFrag(media.currentTime); - if (fragPlayingCurrent && fragPlayingCurrent.startPTS > 1) { - // flush buffer preceding current fragment (flush until current fragment start offset) - // minus 1s to avoid video freezing, that could happen if we flush keyframe of current video ... - this.flushMainBuffer(0, fragPlayingCurrent.startPTS - 1); - } - if (!media.paused) { - // add a safety delay of 1s - var nextLevelId = this.hls.nextLoadLevel, - nextLevel = this.levels[nextLevelId], - fragLastKbps = this.fragLastKbps; - if (fragLastKbps && this.fragCurrent) { - fetchdelay = this.fragCurrent.duration * nextLevel.bitrate / (1000 * fragLastKbps) + 1; - } else { - fetchdelay = 0; - } - } else { - fetchdelay = 0; - } - //logger.log('fetchdelay:'+fetchdelay); - // find buffer range that will be reached once new fragment will be fetched - nextBufferedFrag = this.getBufferedFrag(media.currentTime + fetchdelay); - if (nextBufferedFrag) { - // we can flush buffer range following this one without stalling playback - nextBufferedFrag = this.followingBufferedFrag(nextBufferedFrag); - if (nextBufferedFrag) { - // if we are here, we can also cancel any loading/demuxing in progress, as they are useless - var fragCurrent = this.fragCurrent; - if (fragCurrent && fragCurrent.loader) { - fragCurrent.loader.abort(); - } - this.fragCurrent = null; - // flush position is the start position of this new buffer - this.flushMainBuffer(nextBufferedFrag.startPTS, Number.POSITIVE_INFINITY); - } - } - } + }; + + return EventHandler; +}(); + +/* harmony default export */ var event_handler = (event_handler_EventHandler); +// CONCATENATED MODULE: ./src/utils/attr-list.js +function attr_list__classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + +var DECIMAL_RESOLUTION_REGEX = /^(\d+)x(\d+)$/; +var ATTR_LIST_REGEX = /\s*(.+?)\s*=((?:\".*?\")|.*?)(?:,|$)/g; + +// adapted from https://github.com/kanongil/node-m3u8parse/blob/master/attrlist.js + +var AttrList = function () { + function AttrList(attrs) { + attr_list__classCallCheck(this, AttrList); + + if (typeof attrs === 'string') { + attrs = AttrList.parseAttrList(attrs); } - }, { - key: 'flushMainBuffer', - value: function flushMainBuffer(startOffset, endOffset) { - this.state = State.BUFFER_FLUSHING; - var flushScope = { startOffset: startOffset, endOffset: endOffset }; - // if alternate audio tracks are used, only flush video, otherwise flush everything - if (this.altAudio) { - flushScope.type = 'video'; + for (var attr in attrs) { + if (attrs.hasOwnProperty(attr)) { + this[attr] = attrs[attr]; } - this.hls.trigger(_events2.default.BUFFER_FLUSHING, flushScope); } - }, { - key: 'onMediaAttached', - value: function onMediaAttached(data) { - var media = this.media = this.mediaBuffer = data.media; - this.onvseeking = this.onMediaSeeking.bind(this); - this.onvseeked = this.onMediaSeeked.bind(this); - this.onvended = this.onMediaEnded.bind(this); - media.addEventListener('seeking', this.onvseeking); - media.addEventListener('seeked', this.onvseeked); - media.addEventListener('ended', this.onvended); - var config = this.config; - if (this.levels && config.autoStartLoad) { - this.hls.startLoad(config.startPosition); - } + } + + AttrList.prototype.decimalInteger = function decimalInteger(attrName) { + var intValue = parseInt(this[attrName], 10); + if (intValue > Number.MAX_SAFE_INTEGER) { + return Infinity; } - }, { - key: 'onMediaDetaching', - value: function onMediaDetaching() { - var media = this.media; - if (media && media.ended) { - _logger.logger.log('MSE detaching and video ended, reset startPosition'); - this.startPosition = this.lastCurrentTime = 0; - } + return intValue; + }; - // reset fragment loading counter on MSE detaching to avoid reporting FRAG_LOOP_LOADING_ERROR after error recovery - var levels = this.levels; - if (levels) { - // reset fragment load counter - levels.forEach(function (level) { - if (level.details) { - level.details.fragments.forEach(function (fragment) { - fragment.loadCounter = undefined; - fragment.backtracked = undefined; - }); - } - }); - } - // remove video listeners - if (media) { - media.removeEventListener('seeking', this.onvseeking); - media.removeEventListener('seeked', this.onvseeked); - media.removeEventListener('ended', this.onvended); - this.onvseeking = this.onvseeked = this.onvended = null; + AttrList.prototype.hexadecimalInteger = function hexadecimalInteger(attrName) { + if (this[attrName]) { + var stringValue = (this[attrName] || '0x').slice(2); + stringValue = (stringValue.length & 1 ? '0' : '') + stringValue; + + var value = new Uint8Array(stringValue.length / 2); + for (var i = 0; i < stringValue.length / 2; i++) { + value[i] = parseInt(stringValue.slice(i * 2, i * 2 + 2), 16); } - this.media = this.mediaBuffer = null; - this.loadedmetadata = false; - this.stopLoad(); + return value; + } else { + return null; } - }, { - key: 'onMediaSeeking', - value: function onMediaSeeking() { - var media = this.media, - currentTime = media ? media.currentTime : undefined, - config = this.config; - if (!isNaN(currentTime)) { - _logger.logger.log('media seeking to ' + currentTime.toFixed(3)); - } - var mediaBuffer = this.mediaBuffer ? this.mediaBuffer : media; - var bufferInfo = _bufferHelper2.default.bufferInfo(mediaBuffer, currentTime, this.config.maxBufferHole); - if (this.state === State.FRAG_LOADING) { - var fragCurrent = this.fragCurrent; - // check if we are seeking to a unbuffered area AND if frag loading is in progress - if (bufferInfo.len === 0 && fragCurrent) { - var tolerance = config.maxFragLookUpTolerance, - fragStartOffset = fragCurrent.start - tolerance, - fragEndOffset = fragCurrent.start + fragCurrent.duration + tolerance; - // check if we seek position will be out of currently loaded frag range : if out cancel frag load, if in, don't do anything - if (currentTime < fragStartOffset || currentTime > fragEndOffset) { - if (fragCurrent.loader) { - _logger.logger.log('seeking outside of buffer while fragment load in progress, cancel fragment load'); - fragCurrent.loader.abort(); - } - this.fragCurrent = null; - this.fragPrevious = null; - // switch to IDLE state to load new fragment - this.state = State.IDLE; - } else { - _logger.logger.log('seeking outside of buffer but within currently loaded fragment range'); - } - } - } else if (this.state === State.ENDED) { - // if seeking to unbuffered area, clean up fragPrevious - if (bufferInfo.len === 0) { - this.fragPrevious = 0; - } - // switch to IDLE state to check for potential new fragment - this.state = State.IDLE; - } - if (media) { - this.lastCurrentTime = currentTime; - } - // avoid reporting fragment loop loading error in case user is seeking several times on same position - if (this.state !== State.FRAG_LOADING && this.fragLoadIdx !== undefined) { - this.fragLoadIdx += 2 * config.fragLoadingLoopThreshold; - } - // in case seeking occurs although no media buffered, adjust startPosition and nextLoadPosition to seek target - if (!this.loadedmetadata) { - this.nextLoadPosition = this.startPosition = currentTime; - } - // tick to speed up processing - this.tick(); + }; + + AttrList.prototype.hexadecimalIntegerAsNumber = function hexadecimalIntegerAsNumber(attrName) { + var intValue = parseInt(this[attrName], 16); + if (intValue > Number.MAX_SAFE_INTEGER) { + return Infinity; } - }, { - key: 'onMediaSeeked', - value: function onMediaSeeked() { - var media = this.media, - currentTime = media ? media.currentTime : undefined; - if (!isNaN(currentTime)) { - _logger.logger.log('media seeked to ' + currentTime.toFixed(3)); - } - // tick to speed up FRAGMENT_PLAYING triggering - this.tick(); + return intValue; + }; + + AttrList.prototype.decimalFloatingPoint = function decimalFloatingPoint(attrName) { + return parseFloat(this[attrName]); + }; + + AttrList.prototype.enumeratedString = function enumeratedString(attrName) { + return this[attrName]; + }; + + AttrList.prototype.decimalResolution = function decimalResolution(attrName) { + var res = DECIMAL_RESOLUTION_REGEX.exec(this[attrName]); + if (res === null) { + return undefined; } - }, { - key: 'onMediaEnded', - value: function onMediaEnded() { - _logger.logger.log('media ended'); - // reset startPosition and lastCurrentTime to restart playback @ stream beginning - this.startPosition = this.lastCurrentTime = 0; + return { + width: parseInt(res[1], 10), + height: parseInt(res[2], 10) + }; + }; + + AttrList.parseAttrList = function parseAttrList(input) { + var match, + attrs = {}; + ATTR_LIST_REGEX.lastIndex = 0; + while ((match = ATTR_LIST_REGEX.exec(input)) !== null) { + var value = match[2], + quote = '"'; + + if (value.indexOf(quote) === 0 && value.lastIndexOf(quote) === value.length - 1) { + value = value.slice(1, -1); + } + attrs[match[1]] = value; } - }, { - key: 'onManifestLoading', - value: function onManifestLoading() { - // reset buffer on manifest loading - _logger.logger.log('trigger BUFFER_RESET'); - this.hls.trigger(_events2.default.BUFFER_RESET); - this._bufferedFrags = []; - this.stalled = false; - this.startPosition = this.lastCurrentTime = 0; + return attrs; + }; + + return AttrList; +}(); + +/* harmony default export */ var attr_list = (AttrList); +// CONCATENATED MODULE: ./src/utils/codecs.js +// from http://mp4ra.org/codecs.html +var sampleEntryCodesISO = { + audio: { + 'a3ds': true, + 'ac-3': true, + 'ac-4': true, + 'alac': true, + 'alaw': true, + 'dra1': true, + 'dts+': true, + 'dts-': true, + 'dtsc': true, + 'dtse': true, + 'dtsh': true, + 'ec-3': true, + 'enca': true, + 'g719': true, + 'g726': true, + 'm4ae': true, + 'mha1': true, + 'mha2': true, + 'mhm1': true, + 'mhm2': true, + 'mlpa': true, + 'mp4a': true, + 'raw ': true, + 'Opus': true, + 'samr': true, + 'sawb': true, + 'sawp': true, + 'sevc': true, + 'sqcp': true, + 'ssmv': true, + 'twos': true, + 'ulaw': true + }, + video: { + 'avc1': true, + 'avc2': true, + 'avc3': true, + 'avc4': true, + 'avcp': true, + 'drac': true, + 'dvav': true, + 'dvhe': true, + 'encv': true, + 'hev1': true, + 'hvc1': true, + 'mjp2': true, + 'mp4v': true, + 'mvc1': true, + 'mvc2': true, + 'mvc3': true, + 'mvc4': true, + 'resv': true, + 'rv60': true, + 's263': true, + 'svc1': true, + 'svc2': true, + 'vc-1': true, + 'vp08': true, + 'vp09': true } - }, { - key: 'onManifestParsed', - value: function onManifestParsed(data) { - var aac = false, - heaac = false, - codec; - data.levels.forEach(function (level) { - // detect if we have different kind of audio codecs used amongst playlists - codec = level.audioCodec; - if (codec) { - if (codec.indexOf('mp4a.40.2') !== -1) { - aac = true; - } - if (codec.indexOf('mp4a.40.5') !== -1) { - heaac = true; - } - } - }); - this.audioCodecSwitch = aac && heaac; - if (this.audioCodecSwitch) { - _logger.logger.log('both AAC/HE-AAC audio found in levels; declaring level codec as HE-AAC'); - } - this.levels = data.levels; - this.startLevelLoaded = false; - this.startFragRequested = false; - var config = this.config; - if (config.autoStartLoad || this.forceStartLoad) { - this.hls.startLoad(config.startPosition); +}; + +function isCodecType(codec, type) { + var typeCodes = sampleEntryCodesISO[type]; + return !!typeCodes && typeCodes[codec.slice(0, 4)] === true; +} + +function isCodecSupportedInMp4(codec) { + return MediaSource.isTypeSupported('video/mp4;codecs="' + codec + '"'); +} + + +// CONCATENATED MODULE: ./src/loader/playlist-loader.js +var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); + +function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; } + +function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } + +function playlist_loader__classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + +/** + * Playlist Loader +*/ + + + + + + + + + +// https://regex101.com is your friend +var MASTER_PLAYLIST_REGEX = /#EXT-X-STREAM-INF:([^\n\r]*)[\r\n]+([^\r\n]+)/g; +var MASTER_PLAYLIST_MEDIA_REGEX = /#EXT-X-MEDIA:(.*)/g; + +var LEVEL_PLAYLIST_REGEX_FAST = new RegExp([/#EXTINF:(\d*(?:\.\d+)?)(?:,(.*)\s+)?/.source, // duration (#EXTINF:,), group 1 => duration, group 2 => title +/|(?!#)(\S+)/.source, // segment URI, group 3 => the URI (note newline is not eaten) +/|#EXT-X-BYTERANGE:*(.+)/.source, // next segment's byterange, group 4 => range spec (x@y) +/|#EXT-X-PROGRAM-DATE-TIME:(.+)/.source, // next segment's program date/time group 5 => the datetime spec +/|#.*/.source // All other non-segment oriented tags will match with all groups empty +].join(''), 'g'); + +var LEVEL_PLAYLIST_REGEX_SLOW = /(?:(?:#(EXTM3U))|(?:#EXT-X-(PLAYLIST-TYPE):(.+))|(?:#EXT-X-(MEDIA-SEQUENCE): *(\d+))|(?:#EXT-X-(TARGETDURATION): *(\d+))|(?:#EXT-X-(KEY):(.+))|(?:#EXT-X-(START):(.+))|(?:#EXT-X-(ENDLIST))|(?:#EXT-X-(DISCONTINUITY-SEQ)UENCE:(\d+))|(?:#EXT-X-(DIS)CONTINUITY))|(?:#EXT-X-(VERSION):(\d+))|(?:#EXT-X-(MAP):(.+))|(?:(#)(.*):(.*))|(?:(#)(.*))(?:.*)\r?\n?/; + +var playlist_loader_LevelKey = function () { + function LevelKey() { + playlist_loader__classCallCheck(this, LevelKey); + + this.method = null; + this.key = null; + this.iv = null; + this._uri = null; + } + + _createClass(LevelKey, [{ + key: 'uri', + get: function get() { + if (!this._uri && this.reluri) { + this._uri = url_toolkit_default.a.buildAbsoluteURL(this.baseuri, this.reluri, { alwaysNormalize: true }); } + return this._uri; } - }, { - key: 'onLevelLoaded', - value: function onLevelLoaded(data) { - var newDetails = data.details, - newLevelId = data.level, - curLevel = this.levels[newLevelId], - duration = newDetails.totalduration, - sliding = 0; + }]); - _logger.logger.log('level ' + newLevelId + ' loaded [' + newDetails.startSN + ',' + newDetails.endSN + '],duration:' + duration); - this.levelLastLoaded = newLevelId; + return LevelKey; +}(); - if (newDetails.live) { - var curDetails = curLevel.details; - if (curDetails && newDetails.fragments.length > 0) { - // we already have details for that level, merge them - _levelHelper2.default.mergeDetails(curDetails, newDetails); - sliding = newDetails.fragments[0].start; - this.liveSyncPosition = this.computeLivePosition(sliding, curDetails); - if (newDetails.PTSKnown) { - _logger.logger.log('live playlist sliding:' + sliding.toFixed(3)); - } else { - _logger.logger.log('live playlist - outdated PTS, unknown sliding'); - } - } else { - newDetails.PTSKnown = false; - _logger.logger.log('live playlist - first load, unknown sliding'); - } - } else { - newDetails.PTSKnown = false; - } - // override level info - curLevel.details = newDetails; - this.hls.trigger(_events2.default.LEVEL_UPDATED, { details: newDetails, level: newLevelId }); - - if (this.startFragRequested === false) { - // compute start position if set to -1. use it straight away if value is defined - if (this.startPosition === -1 || this.lastCurrentTime === -1) { - // first, check if start time offset has been set in playlist, if yes, use this value - var startTimeOffset = newDetails.startTimeOffset; - if (!isNaN(startTimeOffset)) { - if (startTimeOffset < 0) { - _logger.logger.log('negative start time offset ' + startTimeOffset + ', count from end of last fragment'); - startTimeOffset = sliding + duration + startTimeOffset; - } - _logger.logger.log('start time offset found in playlist, adjust startPosition to ' + startTimeOffset); - this.startPosition = startTimeOffset; - } else { - // if live playlist, set start position to be fragment N-this.config.liveSyncDurationCount (usually 3) - if (newDetails.live) { - this.startPosition = this.computeLivePosition(sliding, newDetails); - _logger.logger.log('configure startPosition to ' + this.startPosition); - } else { - this.startPosition = 0; - } - } - this.lastCurrentTime = this.startPosition; - } - this.nextLoadPosition = this.startPosition; - } - // only switch batck to IDLE state if we were waiting for level to start downloading a new fragment - if (this.state === State.WAITING_LEVEL) { - this.state = State.IDLE; - } - //trigger handler right now - this.tick(); +var playlist_loader_Fragment = function () { + function Fragment() { + playlist_loader__classCallCheck(this, Fragment); + + this._url = null; + this._byteRange = null; + this._decryptdata = null; + this.tagList = []; + } + + /** + * Utility method for parseLevelPlaylist to create an initialization vector for a given segment + * @returns {Uint8Array} + */ + Fragment.prototype.createInitializationVector = function createInitializationVector(segmentNumber) { + var uint8View = new Uint8Array(16); + + for (var i = 12; i < 16; i++) { + uint8View[i] = segmentNumber >> 8 * (15 - i) & 0xff; } - }, { - key: 'onKeyLoaded', - value: function onKeyLoaded() { - if (this.state === State.KEY_LOADING) { - this.state = State.IDLE; - this.tick(); - } + + return uint8View; + }; + + /** + * Utility method for parseLevelPlaylist to get a fragment's decryption data from the currently parsed encryption key data + * @param levelkey - a playlist's encryption info + * @param segmentNumber - the fragment's segment number + * @returns {*} - an object to be applied as a fragment's decryptdata + */ + + + Fragment.prototype.fragmentDecryptdataFromLevelkey = function fragmentDecryptdataFromLevelkey(levelkey, segmentNumber) { + var decryptdata = levelkey; + + if (levelkey && levelkey.method && levelkey.uri && !levelkey.iv) { + decryptdata = new playlist_loader_LevelKey(); + decryptdata.method = levelkey.method; + decryptdata.baseuri = levelkey.baseuri; + decryptdata.reluri = levelkey.reluri; + decryptdata.iv = this.createInitializationVector(segmentNumber); } - }, { - key: 'onFragLoaded', - value: function onFragLoaded(data) { - var fragCurrent = this.fragCurrent, - fragLoaded = data.frag; - if (this.state === State.FRAG_LOADING && fragCurrent && fragLoaded.type === 'main' && fragLoaded.level === fragCurrent.level && fragLoaded.sn === fragCurrent.sn) { - var stats = data.stats, - currentLevel = this.levels[fragCurrent.level], - details = currentLevel.details; - _logger.logger.log('Loaded ' + fragCurrent.sn + ' of [' + details.startSN + ' ,' + details.endSN + '],level ' + fragCurrent.level); - // reset frag bitrate test in any case after frag loaded event - this.bitrateTest = false; - this.stats = stats; - // if this frag was loaded to perform a bitrate test AND if hls.nextLoadLevel is greater than 0 - // then this means that we should be able to load a fragment at a higher quality level - if (fragLoaded.bitrateTest === true && this.hls.nextLoadLevel) { - // switch back to IDLE state ... we just loaded a fragment to determine adequate start bitrate and initialize autoswitch algo - this.state = State.IDLE; - this.startFragRequested = false; - stats.tparsed = stats.tbuffered = performance.now(); - this.hls.trigger(_events2.default.FRAG_BUFFERED, { stats: stats, frag: fragCurrent, id: 'main' }); - this.tick(); - } else if (fragLoaded.sn === 'initSegment') { - this.state = State.IDLE; - stats.tparsed = stats.tbuffered = performance.now(); - details.initSegment.data = data.payload; - this.hls.trigger(_events2.default.FRAG_BUFFERED, { stats: stats, frag: fragCurrent, id: 'main' }); - this.tick(); - } else { - this.state = State.PARSING; - // transmux the MPEG-TS data to ISO-BMFF segments - var duration = details.totalduration, - level = fragCurrent.level, - sn = fragCurrent.sn, - audioCodec = this.config.defaultAudioCodec || currentLevel.audioCodec; - if (this.audioCodecSwap) { - _logger.logger.log('swapping playlist audio codec'); - if (audioCodec === undefined) { - audioCodec = this.lastAudioCodec; - } - if (audioCodec) { - if (audioCodec.indexOf('mp4a.40.5') !== -1) { - audioCodec = 'mp4a.40.2'; - } else { - audioCodec = 'mp4a.40.5'; - } - } - } - this.pendingBuffering = true; - this.appended = false; - _logger.logger.log('Parsing ' + sn + ' of [' + details.startSN + ' ,' + details.endSN + '],level ' + level + ', cc ' + fragCurrent.cc); - var demuxer = this.demuxer; - if (!demuxer) { - demuxer = this.demuxer = new _demuxer2.default(this.hls, 'main'); - } - // time Offset is accurate if level PTS is known, or if playlist is not sliding (not live) and if media is not seeking (this is to overcome potential timestamp drifts between playlists and fragments) - var media = this.media; - var mediaSeeking = media && media.seeking; - var accurateTimeOffset = !mediaSeeking && (details.PTSKnown || !details.live); - var initSegmentData = details.initSegment ? details.initSegment.data : []; - demuxer.push(data.payload, initSegmentData, audioCodec, currentLevel.videoCodec, fragCurrent, duration, accurateTimeOffset, undefined); - } + + return decryptdata; + }; + + Fragment.prototype.cloneObj = function cloneObj(obj) { + return JSON.parse(JSON.stringify(obj)); + }; + + _createClass(Fragment, [{ + key: 'url', + get: function get() { + if (!this._url && this.relurl) { + this._url = url_toolkit_default.a.buildAbsoluteURL(this.baseurl, this.relurl, { alwaysNormalize: true }); } - this.fragLoadError = 0; + return this._url; + }, + set: function set(value) { + this._url = value; } }, { - key: 'onFragParsingInitSegment', - value: function onFragParsingInitSegment(data) { - var fragCurrent = this.fragCurrent; - var fragNew = data.frag; - if (fragCurrent && data.id === 'main' && fragNew.sn === fragCurrent.sn && fragNew.level === fragCurrent.level && this.state === State.PARSING) { - var tracks = data.tracks, - trackName, - track; - - // if audio track is expected to come from audio stream controller, discard any coming from main - if (tracks.audio && this.altAudio) { - delete tracks.audio; - } - // include levelCodec in audio and video tracks - track = tracks.audio; - if (track) { - var audioCodec = this.levels[this.level].audioCodec, - ua = navigator.userAgent.toLowerCase(); - if (audioCodec && this.audioCodecSwap) { - _logger.logger.log('swapping playlist audio codec'); - if (audioCodec.indexOf('mp4a.40.5') !== -1) { - audioCodec = 'mp4a.40.2'; - } else { - audioCodec = 'mp4a.40.5'; - } - } - // in case AAC and HE-AAC audio codecs are signalled in manifest - // force HE-AAC , as it seems that most browsers prefers that way, - // except for mono streams OR on FF - // these conditions might need to be reviewed ... - if (this.audioCodecSwitch) { - // don't force HE-AAC if mono stream - if (track.metadata.channelCount !== 1 && - // don't force HE-AAC if firefox - ua.indexOf('firefox') === -1) { - audioCodec = 'mp4a.40.5'; - } - } - // HE-AAC is broken on Android, always signal audio codec as AAC even if variant manifest states otherwise - if (ua.indexOf('android') !== -1 && track.container !== 'audio/mpeg') { - // Exclude mpeg audio - audioCodec = 'mp4a.40.2'; - _logger.logger.log('Android: force audio codec to ' + audioCodec); - } - track.levelCodec = audioCodec; - track.id = data.id; - } - track = tracks.video; - if (track) { - track.levelCodec = this.levels[this.level].videoCodec; - track.id = data.id; - } - this.hls.trigger(_events2.default.BUFFER_CODECS, tracks); - // loop through tracks that are going to be provided to bufferController - for (trackName in tracks) { - track = tracks[trackName]; - _logger.logger.log('main track:' + trackName + ',container:' + track.container + ',codecs[level/parsed]=[' + track.levelCodec + '/' + track.codec + ']'); - var initSegment = track.initSegment; - if (initSegment) { - this.appended = true; - // arm pending Buffering flag before appending a segment - this.pendingBuffering = true; - this.hls.trigger(_events2.default.BUFFER_APPENDING, { type: trackName, data: initSegment, parent: 'main', content: 'initSegment' }); - } - } - //trigger handler right now - this.tick(); + key: 'programDateTime', + get: function get() { + if (!this._programDateTime && this.rawProgramDateTime) { + this._programDateTime = new Date(Date.parse(this.rawProgramDateTime)); } + return this._programDateTime; } }, { - key: 'onFragParsingData', - value: function onFragParsingData(data) { - var _this2 = this; - - var fragCurrent = this.fragCurrent; - var fragNew = data.frag; - if (fragCurrent && data.id === 'main' && fragNew.sn === fragCurrent.sn && fragNew.level === fragCurrent.level && !(data.type === 'audio' && this.altAudio) && // filter out main audio if audio track is loaded through audio stream controller - this.state === State.PARSING) { - var level = this.levels[this.level], - frag = fragCurrent; - if (isNaN(data.endPTS)) { - data.endPTS = data.startPTS + fragCurrent.duration; - data.endDTS = data.startDTS + fragCurrent.duration; - } - - _logger.logger.log('Parsed ' + data.type + ',PTS:[' + data.startPTS.toFixed(3) + ',' + data.endPTS.toFixed(3) + '],DTS:[' + data.startDTS.toFixed(3) + '/' + data.endDTS.toFixed(3) + '],nb:' + data.nb + ',dropped:' + (data.dropped || 0)); - - // Detect gaps in a fragment and try to fix it by finding a keyframe in the previous fragment (see _findFragments) - if (data.type === 'video') { - frag.dropped = data.dropped; - if (frag.dropped) { - if (!frag.backtracked) { - _logger.logger.warn('missing video frame(s), backtracking fragment'); - // Return back to the IDLE state without appending to buffer - // Causes findFragments to backtrack a segment and find the keyframe - // Audio fragments arriving before video sets the nextLoadPosition, causing _findFragments to skip the backtracked fragment - frag.backtracked = true; - this.nextLoadPosition = data.startPTS; - this.state = State.IDLE; - this.fragPrevious = frag; - this.tick(); - return; - } else { - _logger.logger.warn('Already backtracked on this fragment, appending with the gap'); - } + key: 'byteRange', + get: function get() { + if (!this._byteRange) { + var byteRange = this._byteRange = []; + if (this.rawByteRange) { + var params = this.rawByteRange.split('@', 2); + if (params.length === 1) { + var lastByteRangeEndOffset = this.lastByteRangeEndOffset; + byteRange[0] = lastByteRangeEndOffset ? lastByteRangeEndOffset : 0; } else { - // Only reset the backtracked flag if we've loaded the frag without any dropped frames - frag.backtracked = false; - } - } - - var drift = _levelHelper2.default.updateFragPTSDTS(level.details, frag, data.startPTS, data.endPTS, data.startDTS, data.endDTS), - hls = this.hls; - hls.trigger(_events2.default.LEVEL_PTS_UPDATED, { details: level.details, level: this.level, drift: drift, type: data.type, start: data.startPTS, end: data.endPTS }); - - // has remuxer dropped video frames located before first keyframe ? - [data.data1, data.data2].forEach(function (buffer) { - // only append in PARSING state (rationale is that an appending error could happen synchronously on first segment appending) - // in that case it is useless to append following segments - if (buffer && buffer.length && _this2.state === State.PARSING) { - _this2.appended = true; - // arm pending Buffering flag before appending a segment - _this2.pendingBuffering = true; - hls.trigger(_events2.default.BUFFER_APPENDING, { type: data.type, data: buffer, parent: 'main', content: 'data' }); - } - }); - //trigger handler right now - this.tick(); + byteRange[0] = parseInt(params[1]); + } + byteRange[1] = parseInt(params[0]) + byteRange[0]; + } } + return this._byteRange; } }, { - key: 'onFragParsed', - value: function onFragParsed(data) { - var fragCurrent = this.fragCurrent; - var fragNew = data.frag; - if (fragCurrent && data.id === 'main' && fragNew.sn === fragCurrent.sn && fragNew.level === fragCurrent.level && this.state === State.PARSING) { - this.stats.tparsed = performance.now(); - this.state = State.PARSED; - this._checkAppendedParsed(); - } + key: 'byteRangeStartOffset', + get: function get() { + return this.byteRange[0]; } }, { - key: 'onAudioTrackSwitching', - value: function onAudioTrackSwitching(data) { - // if any URL found on new audio track, it is an alternate audio track - var altAudio = !!data.url, - trackId = data.id; - // if we switch on main audio, ensure that main fragment scheduling is synced with media.buffered - // don't do anything if we switch to alt audio: audio stream controller is handling it. - // we will just have to change buffer scheduling on audioTrackSwitched - if (!altAudio) { - if (this.mediaBuffer !== this.media) { - _logger.logger.log('switching on main audio, use media.buffered to schedule main fragment loading'); - this.mediaBuffer = this.media; - var fragCurrent = this.fragCurrent; - // we need to refill audio buffer from main: cancel any frag loading to speed up audio switch - if (fragCurrent.loader) { - _logger.logger.log('switching to main audio track, cancel main fragment load'); - fragCurrent.loader.abort(); - } - this.fragCurrent = null; - this.fragPrevious = null; - // destroy demuxer to force init segment generation (following audio switch) - if (this.demuxer) { - this.demuxer.destroy(); - this.demuxer = null; - } - // switch to IDLE state to load new fragment - this.state = State.IDLE; - } - var hls = this.hls; - // switching to main audio, flush all audio and trigger track switched - hls.trigger(_events2.default.BUFFER_FLUSHING, { startOffset: 0, endOffset: Number.POSITIVE_INFINITY, type: 'audio' }); - hls.trigger(_events2.default.AUDIO_TRACK_SWITCHED, { id: trackId }); - this.altAudio = false; - } + key: 'byteRangeEndOffset', + get: function get() { + return this.byteRange[1]; } }, { - key: 'onAudioTrackSwitched', - value: function onAudioTrackSwitched(data) { - var trackId = data.id, - altAudio = !!this.hls.audioTracks[trackId].url; - if (altAudio) { - var videoBuffer = this.videoBuffer; - // if we switched on alternate audio, ensure that main fragment scheduling is synced with video sourcebuffer buffered - if (videoBuffer && this.mediaBuffer !== videoBuffer) { - _logger.logger.log('switching on alternate audio, use video.buffered to schedule main fragment loading'); - this.mediaBuffer = videoBuffer; - } - } - this.altAudio = altAudio; - this.tick(); + key: 'decryptdata', + get: function get() { + if (!this._decryptdata) { + this._decryptdata = this.fragmentDecryptdataFromLevelkey(this.levelkey, this.sn); + } + return this._decryptdata; } - }, { - key: 'onBufferCreated', - value: function onBufferCreated(data) { - var tracks = data.tracks, - mediaTrack = void 0, - name = void 0, - alternate = false; - for (var type in tracks) { - var track = tracks[type]; - if (track.id === 'main') { - name = type; - mediaTrack = track; - // keep video source buffer reference - if (type === 'video') { - this.videoBuffer = tracks[type].buffer; - } - } else { - alternate = true; - } + }]); + + return Fragment; +}(); + +var playlist_loader_PlaylistLoader = function (_EventHandler) { + _inherits(PlaylistLoader, _EventHandler); + + function PlaylistLoader(hls) { + playlist_loader__classCallCheck(this, PlaylistLoader); + + var _this = _possibleConstructorReturn(this, _EventHandler.call(this, hls, events["a" /* default */].MANIFEST_LOADING, events["a" /* default */].LEVEL_LOADING, events["a" /* default */].AUDIO_TRACK_LOADING, events["a" /* default */].SUBTITLE_TRACK_LOADING)); + + _this.loaders = {}; + return _this; + } + + PlaylistLoader.prototype.destroy = function destroy() { + for (var loaderName in this.loaders) { + var loader = this.loaders[loaderName]; + if (loader) { + loader.destroy(); } - if (alternate && mediaTrack) { - _logger.logger.log('alternate track found, use ' + name + '.buffered to schedule main fragment loading'); - this.mediaBuffer = mediaTrack.buffer; + } + this.loaders = {}; + event_handler.prototype.destroy.call(this); + }; + + PlaylistLoader.prototype.onManifestLoading = function onManifestLoading(data) { + this.load(data.url, { type: 'manifest' }); + }; + + PlaylistLoader.prototype.onLevelLoading = function onLevelLoading(data) { + this.load(data.url, { type: 'level', level: data.level, id: data.id }); + }; + + PlaylistLoader.prototype.onAudioTrackLoading = function onAudioTrackLoading(data) { + this.load(data.url, { type: 'audioTrack', id: data.id }); + }; + + PlaylistLoader.prototype.onSubtitleTrackLoading = function onSubtitleTrackLoading(data) { + this.load(data.url, { type: 'subtitleTrack', id: data.id }); + }; + + PlaylistLoader.prototype.load = function load(url, context) { + var loader = this.loaders[context.type]; + if (loader) { + var loaderContext = loader.context; + if (loaderContext && loaderContext.url === url) { + logger["b" /* logger */].trace('playlist request ongoing'); + return; } else { - this.mediaBuffer = this.media; + logger["b" /* logger */].warn('abort previous loader for type:' + context.type); + loader.abort(); } } - }, { - key: 'onBufferAppended', - value: function onBufferAppended(data) { - if (data.parent === 'main') { - var state = this.state; - if (state === State.PARSING || state === State.PARSED) { - // check if all buffers have been appended - this.pendingBuffering = data.pending > 0; - this._checkAppendedParsed(); - } - } + var config = this.hls.config, + retry = void 0, + timeout = void 0, + retryDelay = void 0, + maxRetryDelay = void 0; + if (context.type === 'manifest') { + retry = config.manifestLoadingMaxRetry; + timeout = config.manifestLoadingTimeOut; + retryDelay = config.manifestLoadingRetryDelay; + maxRetryDelay = config.manifestLoadingMaxRetryTimeout; + } else { + retry = config.levelLoadingMaxRetry; + timeout = config.levelLoadingTimeOut; + retryDelay = config.levelLoadingRetryDelay; + maxRetryDelay = config.levelLoadingMaxRetryTimeout; + logger["b" /* logger */].log('loading playlist for ' + context.type + ' ' + (context.level || context.id)); } - }, { - key: '_checkAppendedParsed', - value: function _checkAppendedParsed() { - //trigger handler right now - if (this.state === State.PARSED && (!this.appended || !this.pendingBuffering)) { - var frag = this.fragCurrent; - if (frag) { - var media = this.mediaBuffer ? this.mediaBuffer : this.media; - _logger.logger.log('main buffered : ' + _timeRanges2.default.toString(media.buffered)); - // filter fragments potentially evicted from buffer. this is to avoid memleak on live streams - var bufferedFrags = this._bufferedFrags.filter(function (frag) { - return _bufferHelper2.default.isBuffered(media, (frag.startPTS + frag.endPTS) / 2); + loader = this.loaders[context.type] = context.loader = typeof config.pLoader !== 'undefined' ? new config.pLoader(config) : new config.loader(config); + context.url = url; + context.responseType = ''; + + var loaderConfig = void 0, + loaderCallbacks = void 0; + loaderConfig = { timeout: timeout, maxRetry: retry, retryDelay: retryDelay, maxRetryDelay: maxRetryDelay }; + loaderCallbacks = { onSuccess: this.loadsuccess.bind(this), onError: this.loaderror.bind(this), onTimeout: this.loadtimeout.bind(this) }; + loader.load(context, loaderConfig, loaderCallbacks); + }; + + PlaylistLoader.prototype.resolve = function resolve(url, baseUrl) { + return url_toolkit_default.a.buildAbsoluteURL(baseUrl, url, { alwaysNormalize: true }); + }; + + PlaylistLoader.prototype.parseMasterPlaylist = function parseMasterPlaylist(string, baseurl) { + var levels = [], + result = void 0; + MASTER_PLAYLIST_REGEX.lastIndex = 0; + + function setCodecs(codecs, level) { + ['video', 'audio'].forEach(function (type) { + var filtered = codecs.filter(function (codec) { + return isCodecType(codec, type); + }); + if (filtered.length) { + var preferred = filtered.filter(function (codec) { + return codec.lastIndexOf('avc1', 0) === 0 || codec.lastIndexOf('mp4a', 0) === 0; }); - // push new range - bufferedFrags.push(frag); - // sort frags, as we use BinarySearch for lookup in getBufferedFrag ... - this._bufferedFrags = bufferedFrags.sort(function (a, b) { - return a.startPTS - b.startPTS; + level[type + 'Codec'] = preferred.length > 0 ? preferred[0] : filtered[0]; + + // remove from list + codecs = codecs.filter(function (codec) { + return filtered.indexOf(codec) === -1; }); - this.fragPrevious = frag; - var stats = this.stats; - stats.tbuffered = performance.now(); - // we should get rid of this.fragLastKbps - this.fragLastKbps = Math.round(8 * stats.total / (stats.tbuffered - stats.tfirst)); - this.hls.trigger(_events2.default.FRAG_BUFFERED, { stats: stats, frag: frag, id: 'main' }); - this.state = State.IDLE; } - this.tick(); + }); + + level.unknownCodecs = codecs; + } + + while ((result = MASTER_PLAYLIST_REGEX.exec(string)) != null) { + var level = {}; + + var attrs = level.attrs = new attr_list(result[1]); + level.url = this.resolve(result[2], baseurl); + + var resolution = attrs.decimalResolution('RESOLUTION'); + if (resolution) { + level.width = resolution.width; + level.height = resolution.height; + } + level.bitrate = attrs.decimalInteger('AVERAGE-BANDWIDTH') || attrs.decimalInteger('BANDWIDTH'); + level.name = attrs.NAME; + + setCodecs([].concat((attrs.CODECS || '').split(/[ ,]+/)), level); + + if (level.videoCodec && level.videoCodec.indexOf('avc1') !== -1) { + level.videoCodec = this.avc1toavcoti(level.videoCodec); } + + levels.push(level); } - }, { - key: 'onError', - value: function onError(data) { - var frag = data.frag || this.fragCurrent; - // don't handle frag error not related to main fragment - if (frag && frag.type !== 'main') { - return; + return levels; + }; + + PlaylistLoader.prototype.parseMasterPlaylistMedia = function parseMasterPlaylistMedia(string, baseurl, type) { + var audioCodec = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : null; + + var result = void 0, + medias = [], + id = 0; + MASTER_PLAYLIST_MEDIA_REGEX.lastIndex = 0; + while ((result = MASTER_PLAYLIST_MEDIA_REGEX.exec(string)) != null) { + var media = {}; + var attrs = new attr_list(result[1]); + if (attrs.TYPE === type) { + media.groupId = attrs['GROUP-ID']; + media.name = attrs.NAME; + media.type = type; + media.default = attrs.DEFAULT === 'YES'; + media.autoselect = attrs.AUTOSELECT === 'YES'; + media.forced = attrs.FORCED === 'YES'; + if (attrs.URI) { + media.url = this.resolve(attrs.URI, baseurl); + } + media.lang = attrs.LANGUAGE; + if (!media.name) { + media.name = media.lang; + } + if (audioCodec) { + media.audioCodec = audioCodec; + } + media.id = id++; + medias.push(media); } - var media = this.media, + } + return medias; + }; - // 0.5 : tolerance needed as some browsers stalls playback before reaching buffered end - mediaBuffered = media && _bufferHelper2.default.isBuffered(media, media.currentTime) && _bufferHelper2.default.isBuffered(media, media.currentTime + 0.5); - switch (data.details) { - case _errors.ErrorDetails.FRAG_LOAD_ERROR: - case _errors.ErrorDetails.FRAG_LOAD_TIMEOUT: - case _errors.ErrorDetails.KEY_LOAD_ERROR: - case _errors.ErrorDetails.KEY_LOAD_TIMEOUT: - if (!data.fatal) { - var loadError = this.fragLoadError; - if (loadError) { - loadError++; - } else { - loadError = 1; - } - var config = this.config; - // keep retrying / don't raise fatal network error if current position is buffered or if in automode with current level not 0 - if (loadError <= config.fragLoadingMaxRetry || mediaBuffered || frag.autoLevel && frag.level) { - this.fragLoadError = loadError; - // reset load counter to avoid frag loop loading error - frag.loadCounter = 0; - // exponential backoff capped to config.fragLoadingMaxRetryTimeout - var delay = Math.min(Math.pow(2, loadError - 1) * config.fragLoadingRetryDelay, config.fragLoadingMaxRetryTimeout); - _logger.logger.warn('mediaController: frag loading failed, retry in ' + delay + ' ms'); - this.retryDate = performance.now() + delay; - // retry loading state - // if loadedmetadata is not set, it means that we are emergency switch down on first frag - // in that case, reset startFragRequested flag - if (!this.loadedmetadata) { - this.startFragRequested = false; - this.nextLoadPosition = this.startPosition; - } - this.state = State.FRAG_LOADING_WAITING_RETRY; - } else { - _logger.logger.error('mediaController: ' + data.details + ' reaches max retry, redispatch as fatal ...'); - // switch error to fatal - data.fatal = true; - this.state = State.ERROR; - } + PlaylistLoader.prototype.avc1toavcoti = function avc1toavcoti(codec) { + var result, + avcdata = codec.split('.'); + if (avcdata.length > 2) { + result = avcdata.shift() + '.'; + result += parseInt(avcdata.shift()).toString(16); + result += ('000' + parseInt(avcdata.shift()).toString(16)).substr(-4); + } else { + result = codec; + } + return result; + }; + + PlaylistLoader.prototype.parseLevelPlaylist = function parseLevelPlaylist(string, baseurl, id, type) { + var currentSN = 0, + totalduration = 0, + level = { type: null, version: null, url: baseurl, fragments: [], live: true, startSN: 0 }, + levelkey = new playlist_loader_LevelKey(), + cc = 0, + prevFrag = null, + frag = new playlist_loader_Fragment(), + result, + i; + + LEVEL_PLAYLIST_REGEX_FAST.lastIndex = 0; + + while ((result = LEVEL_PLAYLIST_REGEX_FAST.exec(string)) !== null) { + var duration = result[1]; + if (duration) { + // INF + frag.duration = parseFloat(duration); + // avoid sliced strings https://github.com/video-dev/hls.js/issues/939 + var title = (' ' + result[2]).slice(1); + frag.title = title ? title : null; + frag.tagList.push(title ? ['INF', duration, title] : ['INF', duration]); + } else if (result[3]) { + // url + if (!isNaN(frag.duration)) { + var sn = currentSN++; + frag.type = type; + frag.start = totalduration; + frag.levelkey = levelkey; + frag.sn = sn; + frag.level = id; + frag.cc = cc; + frag.baseurl = baseurl; + // avoid sliced strings https://github.com/video-dev/hls.js/issues/939 + frag.relurl = (' ' + result[3]).slice(1); + + level.fragments.push(frag); + prevFrag = frag; + totalduration += frag.duration; + + frag = new playlist_loader_Fragment(); + } + } else if (result[4]) { + // X-BYTERANGE + frag.rawByteRange = (' ' + result[4]).slice(1); + if (prevFrag) { + var lastByteRangeEndOffset = prevFrag.byteRangeEndOffset; + if (lastByteRangeEndOffset) { + frag.lastByteRangeEndOffset = lastByteRangeEndOffset; } - break; - case _errors.ErrorDetails.FRAG_LOOP_LOADING_ERROR: - if (!data.fatal) { - // if buffer is not empty - if (mediaBuffered) { - // try to reduce max buffer length : rationale is that we could get - // frag loop loading error because of buffer eviction - this._reduceMaxBufferLength(frag.duration); - this.state = State.IDLE; - } else { - // buffer empty. report as fatal if in manual mode or if lowest level. - // level controller takes care of emergency switch down logic - if (!frag.autoLevel || frag.level === 0) { - // switch error to fatal - data.fatal = true; - this.state = State.ERROR; - } - } + } + } else if (result[5]) { + // PROGRAM-DATE-TIME + // avoid sliced strings https://github.com/video-dev/hls.js/issues/939 + frag.rawProgramDateTime = (' ' + result[5]).slice(1); + frag.tagList.push(['PROGRAM-DATE-TIME', frag.rawProgramDateTime]); + if (level.programDateTime === undefined) { + level.programDateTime = new Date(new Date(Date.parse(result[5])) - 1000 * totalduration); + } + } else { + result = result[0].match(LEVEL_PLAYLIST_REGEX_SLOW); + for (i = 1; i < result.length; i++) { + if (result[i] !== undefined) { + break; } - break; - case _errors.ErrorDetails.LEVEL_LOAD_ERROR: - case _errors.ErrorDetails.LEVEL_LOAD_TIMEOUT: - if (this.state !== State.ERROR) { - if (data.fatal) { - // if fatal error, stop processing - this.state = State.ERROR; - _logger.logger.warn('streamController: ' + data.details + ',switch to ' + this.state + ' state ...'); - } else { - // in case of non fatal error while loading level, if level controller is not retrying to load level , switch back to IDLE - if (!data.levelRetry && this.state === State.WAITING_LEVEL) { - this.state = State.IDLE; + } + + // avoid sliced strings https://github.com/video-dev/hls.js/issues/939 + var value1 = (' ' + result[i + 1]).slice(1); + var value2 = (' ' + result[i + 2]).slice(1); + + switch (result[i]) { + case '#': + frag.tagList.push(value2 ? [value1, value2] : [value1]); + break; + case 'PLAYLIST-TYPE': + level.type = value1.toUpperCase(); + break; + case 'MEDIA-SEQUENCE': + currentSN = level.startSN = parseInt(value1); + break; + case 'TARGETDURATION': + level.targetduration = parseFloat(value1); + break; + case 'VERSION': + level.version = parseInt(value1); + break; + case 'EXTM3U': + break; + case 'ENDLIST': + level.live = false; + break; + case 'DIS': + cc++; + frag.tagList.push(['DIS']); + break; + case 'DISCONTINUITY-SEQ': + cc = parseInt(value1); + break; + case 'KEY': + // https://tools.ietf.org/html/draft-pantos-http-live-streaming-08#section-3.4.4 + var decryptparams = value1; + var keyAttrs = new attr_list(decryptparams); + var decryptmethod = keyAttrs.enumeratedString('METHOD'), + decrypturi = keyAttrs.URI, + decryptiv = keyAttrs.hexadecimalInteger('IV'); + if (decryptmethod) { + levelkey = new playlist_loader_LevelKey(); + if (decrypturi && ['AES-128', 'SAMPLE-AES'].indexOf(decryptmethod) >= 0) { + levelkey.method = decryptmethod; + // URI to get the key + levelkey.baseuri = baseurl; + levelkey.reluri = decrypturi; + levelkey.key = null; + // Initialization Vector (IV) + levelkey.iv = decryptiv; } } - } - break; - case _errors.ErrorDetails.BUFFER_FULL_ERROR: - // if in appending state - if (data.parent === 'main' && (this.state === State.PARSING || this.state === State.PARSED)) { - // reduce max buf len if current position is buffered - if (mediaBuffered) { - this._reduceMaxBufferLength(this.config.maxBufferLength); - this.state = State.IDLE; - } else { - // current position is not buffered, but browser is still complaining about buffer full error - // this happens on IE/Edge, refer to https://github.com/video-dev/hls.js/pull/708 - // in that case flush the whole buffer to recover - _logger.logger.warn('buffer full error also media.currentTime is not buffered, flush everything'); - this.fragCurrent = null; - // flush everything - this.flushMainBuffer(0, Number.POSITIVE_INFINITY); + break; + case 'START': + var startParams = value1; + var startAttrs = new attr_list(startParams); + var startTimeOffset = startAttrs.decimalFloatingPoint('TIME-OFFSET'); + //TIME-OFFSET can be 0 + if (!isNaN(startTimeOffset)) { + level.startTimeOffset = startTimeOffset; } - } - break; - default: - break; - } - } - }, { - key: '_reduceMaxBufferLength', - value: function _reduceMaxBufferLength(minLength) { - var config = this.config; - if (config.maxMaxBufferLength >= minLength) { - // reduce max buffer length as it might be too high. we do this to avoid loop flushing ... - config.maxMaxBufferLength /= 2; - _logger.logger.warn('main:reduce max buffer length to ' + config.maxMaxBufferLength + 's'); - // increase fragment load Index to avoid frag loop loading error after buffer flush - this.fragLoadIdx += 2 * config.fragLoadingLoopThreshold; + break; + case 'MAP': + var mapAttrs = new attr_list(value1); + frag.relurl = mapAttrs.URI; + frag.rawByteRange = mapAttrs.BYTERANGE; + frag.baseurl = baseurl; + frag.level = id; + frag.type = type; + frag.sn = 'initSegment'; + level.initSegment = frag; + frag = new playlist_loader_Fragment(); + break; + default: + logger["b" /* logger */].warn('line parsed but not handled: ' + result); + break; + } } } - }, { - key: '_checkBuffer', - value: function _checkBuffer() { - var media = this.media; - // if ready state different from HAVE_NOTHING (numeric value 0), we are allowed to seek - if (media && media.readyState) { - var currentTime = media.currentTime, - mediaBuffer = this.mediaBuffer ? this.mediaBuffer : media, - buffered = mediaBuffer.buffered; - // adjust currentTime to start position on loaded metadata - if (!this.loadedmetadata && buffered.length) { - this.loadedmetadata = true; - // only adjust currentTime if different from startPosition or if startPosition not buffered - // at that stage, there should be only one buffered range, as we reach that code after first fragment has been buffered - var startPosition = media.seeking ? currentTime : this.startPosition, - startPositionBuffered = _bufferHelper2.default.isBuffered(mediaBuffer, startPosition); - // if currentTime not matching with expected startPosition or startPosition not buffered - if (currentTime !== startPosition || !startPositionBuffered) { - _logger.logger.log('target start position:' + startPosition); - // if startPosition not buffered, let's seek to buffered.start(0) - if (!startPositionBuffered) { - startPosition = buffered.start(0); - _logger.logger.log('target start position not buffered, seek to buffered.start(0) ' + startPosition); + frag = prevFrag; + //logger.log('found ' + level.fragments.length + ' fragments'); + if (frag && !frag.relurl) { + level.fragments.pop(); + totalduration -= frag.duration; + } + level.totalduration = totalduration; + level.averagetargetduration = totalduration / level.fragments.length; + level.endSN = currentSN - 1; + level.startCC = level.fragments[0] ? level.fragments[0].cc : 0; + level.endCC = cc; + return level; + }; + + PlaylistLoader.prototype.loadsuccess = function loadsuccess(response, stats, context) { + var networkDetails = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : null; + + var string = response.data, + url = response.url, + type = context.type, + id = context.id, + level = context.level, + hls = this.hls; + + this.loaders[type] = undefined; + // responseURL not supported on some browsers (it is used to detect URL redirection) + // data-uri mode also not supported (but no need to detect redirection) + if (url === undefined || url.indexOf('data:') === 0) { + // fallback to initial URL + url = context.url; + } + stats.tload = performance.now(); + //stats.mtime = new Date(target.getResponseHeader('Last-Modified')); + if (string.indexOf('#EXTM3U') === 0) { + if (string.indexOf('#EXTINF:') > 0) { + var isLevel = type !== 'audioTrack' && type !== 'subtitleTrack', + levelId = !isNaN(level) ? level : !isNaN(id) ? id : 0, + levelDetails = this.parseLevelPlaylist(string, url, levelId, type === 'audioTrack' ? 'audio' : type === 'subtitleTrack' ? 'subtitle' : 'main'); + levelDetails.tload = stats.tload; + if (type === 'manifest') { + // first request, stream manifest (no master playlist), fire manifest loaded event with level details + hls.trigger(events["a" /* default */].MANIFEST_LOADED, { levels: [{ url: url, details: levelDetails }], audioTracks: [], url: url, stats: stats, networkDetails: networkDetails }); + } + stats.tparsed = performance.now(); + if (levelDetails.targetduration) { + if (isLevel) { + hls.trigger(events["a" /* default */].LEVEL_LOADED, { details: levelDetails, level: level || 0, id: id || 0, stats: stats, networkDetails: networkDetails }); + } else { + if (type === 'audioTrack') { + hls.trigger(events["a" /* default */].AUDIO_TRACK_LOADED, { details: levelDetails, id: id, stats: stats, networkDetails: networkDetails }); + } else if (type === 'subtitleTrack') { + hls.trigger(events["a" /* default */].SUBTITLE_TRACK_LOADED, { details: levelDetails, id: id, stats: stats, networkDetails: networkDetails }); } - _logger.logger.log('adjust currentTime from ' + currentTime + ' to ' + startPosition); - media.currentTime = startPosition; } - } else if (this.immediateSwitch) { - this.immediateLevelSwitchEnd(); } else { - var bufferInfo = _bufferHelper2.default.bufferInfo(media, currentTime, 0), - expectedPlaying = !(media.paused || // not playing when media is paused - media.ended || // not playing when media is ended - media.buffered.length === 0), - // not playing if nothing buffered - jumpThreshold = 0.5, - // tolerance needed as some browsers stalls playback before reaching buffered range end - playheadMoving = currentTime !== this.lastCurrentTime, - config = this.config; - - if (playheadMoving) { - // played moving, but was previously stalled => now not stuck anymore - if (this.stallReported) { - _logger.logger.warn('playback not stuck anymore @' + currentTime + ', after ' + Math.round(performance.now() - this.stalled) + 'ms'); - this.stallReported = false; - } - this.stalled = undefined; - this.nudgeRetry = 0; - } else { - // playhead not moving - if (expectedPlaying) { - // playhead not moving BUT media expected to play - var tnow = performance.now(); - var hls = this.hls; - if (!this.stalled) { - // stall just detected, store current time - this.stalled = tnow; - this.stallReported = false; - } else { - // playback already stalled, check stalling duration - // if stalling for more than a given threshold, let's try to recover - var stalledDuration = tnow - this.stalled; - var bufferLen = bufferInfo.len; - var nudgeRetry = this.nudgeRetry || 0; - // have we reached stall deadline ? - if (bufferLen <= jumpThreshold && stalledDuration > config.lowBufferWatchdogPeriod * 1000) { - // report stalled error once - if (!this.stallReported) { - this.stallReported = true; - _logger.logger.warn('playback stalling in low buffer @' + currentTime); - hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.MEDIA_ERROR, details: _errors.ErrorDetails.BUFFER_STALLED_ERROR, fatal: false, buffer: bufferLen }); - } - // if buffer len is below threshold, try to jump to start of next buffer range if close - // no buffer available @ currentTime, check if next buffer is close (within a config.maxSeekHole second range) - var nextBufferStart = bufferInfo.nextStart, - delta = nextBufferStart - currentTime; - if (nextBufferStart && delta < config.maxSeekHole && delta > 0) { - this.nudgeRetry = ++nudgeRetry; - var nudgeOffset = nudgeRetry * config.nudgeOffset; - // next buffer is close ! adjust currentTime to nextBufferStart - // this will ensure effective video decoding - _logger.logger.log('adjust currentTime from ' + media.currentTime + ' to next buffered @ ' + nextBufferStart + ' + nudge ' + nudgeOffset); - media.currentTime = nextBufferStart + nudgeOffset; - // reset stalled so to rearm watchdog timer - this.stalled = undefined; - hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.MEDIA_ERROR, details: _errors.ErrorDetails.BUFFER_SEEK_OVER_HOLE, fatal: false, hole: nextBufferStart + nudgeOffset - currentTime }); - } - } else if (bufferLen > jumpThreshold && stalledDuration > config.highBufferWatchdogPeriod * 1000) { - // report stalled error once - if (!this.stallReported) { - this.stallReported = true; - _logger.logger.warn('playback stalling in high buffer @' + currentTime); - hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.MEDIA_ERROR, details: _errors.ErrorDetails.BUFFER_STALLED_ERROR, fatal: false, buffer: bufferLen }); - } - // reset stalled so to rearm watchdog timer - this.stalled = undefined; - this.nudgeRetry = ++nudgeRetry; - if (nudgeRetry < config.nudgeMaxRetry) { - var _currentTime = media.currentTime; - var targetTime = _currentTime + nudgeRetry * config.nudgeOffset; - _logger.logger.log('adjust currentTime from ' + _currentTime + ' to ' + targetTime); - // playback stalled in buffered area ... let's nudge currentTime to try to overcome this - media.currentTime = targetTime; - hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.MEDIA_ERROR, details: _errors.ErrorDetails.BUFFER_NUDGE_ON_STALL, fatal: false }); - } else { - _logger.logger.error('still stuck in high buffer @' + currentTime + ' after ' + config.nudgeMaxRetry + ', raise fatal error'); - hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.MEDIA_ERROR, details: _errors.ErrorDetails.BUFFER_STALLED_ERROR, fatal: true }); - } - } + hls.trigger(events["a" /* default */].ERROR, { type: errors["b" /* ErrorTypes */].NETWORK_ERROR, details: errors["a" /* ErrorDetails */].MANIFEST_PARSING_ERROR, fatal: true, url: url, reason: 'invalid targetduration', networkDetails: networkDetails }); + } + } else { + var levels = this.parseMasterPlaylist(string, url); + // multi level playlist, parse level info + if (levels.length) { + var audioTracks = this.parseMasterPlaylistMedia(string, url, 'AUDIO', levels[0].audioCodec); + var subtitles = this.parseMasterPlaylistMedia(string, url, 'SUBTITLES'); + if (audioTracks.length) { + // check if we have found an audio track embedded in main playlist (audio track without URI attribute) + var embeddedAudioFound = false; + audioTracks.forEach(function (audioTrack) { + if (!audioTrack.url) { + embeddedAudioFound = true; } + }); + // if no embedded audio track defined, but audio codec signaled in quality level, we need to signal this main audio track + // this could happen with playlists with alt audio rendition in which quality levels (main) contains both audio+video. but with mixed audio track not signaled + if (embeddedAudioFound === false && levels[0].audioCodec && !levels[0].attrs.AUDIO) { + logger["b" /* logger */].log('audio codec signaled in quality level, but no embedded audio track signaled, create one'); + audioTracks.unshift({ type: 'main', name: 'main' }); } } - } - } - } - }, { - key: 'onFragLoadEmergencyAborted', - value: function onFragLoadEmergencyAborted() { - this.state = State.IDLE; - // if loadedmetadata is not set, it means that we are emergency switch down on first frag - // in that case, reset startFragRequested flag - if (!this.loadedmetadata) { - this.startFragRequested = false; - this.nextLoadPosition = this.startPosition; - } - this.tick(); - } - }, { - key: 'onBufferFlushed', - value: function onBufferFlushed() { - /* after successful buffer flushing, filter flushed fragments from bufferedFrags - use mediaBuffered instead of media (so that we will check against video.buffered ranges in case of alt audio track) - */ - var media = this.mediaBuffer ? this.mediaBuffer : this.media; - this._bufferedFrags = this._bufferedFrags.filter(function (frag) { - return _bufferHelper2.default.isBuffered(media, (frag.startPTS + frag.endPTS) / 2); - }); - - // increase fragment load Index to avoid frag loop loading error after buffer flush - this.fragLoadIdx += 2 * this.config.fragLoadingLoopThreshold; - // move to IDLE once flush complete. this should trigger new fragment loading - this.state = State.IDLE; - // reset reference to frag - this.fragPrevious = null; - } - }, { - key: 'swapAudioCodec', - value: function swapAudioCodec() { - this.audioCodecSwap = !this.audioCodecSwap; - } - }, { - key: 'computeLivePosition', - value: function computeLivePosition(sliding, levelDetails) { - var targetLatency = this.config.liveSyncDuration !== undefined ? this.config.liveSyncDuration : this.config.liveSyncDurationCount * levelDetails.targetduration; - return sliding + Math.max(0, levelDetails.totalduration - targetLatency); - } - }, { - key: 'state', - set: function set(nextState) { - if (this.state !== nextState) { - var previousState = this.state; - this._state = nextState; - _logger.logger.log('main stream:' + previousState + '->' + nextState); - this.hls.trigger(_events2.default.STREAM_STATE_TRANSITION, { previousState: previousState, nextState: nextState }); - } - }, - get: function get() { - return this._state; - } - }, { - key: 'currentLevel', - get: function get() { - var media = this.media; - if (media) { - var frag = this.getBufferedFrag(media.currentTime); - if (frag) { - return frag.level; - } - } - return -1; - } - }, { - key: 'nextBufferedFrag', - get: function get() { - var media = this.media; - if (media) { - // first get end range of current fragment - return this.followingBufferedFrag(this.getBufferedFrag(media.currentTime)); - } else { - return null; - } - } - }, { - key: 'nextLevel', - get: function get() { - var frag = this.nextBufferedFrag; - if (frag) { - return frag.level; - } else { - return -1; + hls.trigger(events["a" /* default */].MANIFEST_LOADED, { levels: levels, audioTracks: audioTracks, subtitles: subtitles, url: url, stats: stats, networkDetails: networkDetails }); + } else { + hls.trigger(events["a" /* default */].ERROR, { type: errors["b" /* ErrorTypes */].NETWORK_ERROR, details: errors["a" /* ErrorDetails */].MANIFEST_PARSING_ERROR, fatal: true, url: url, reason: 'no level found in manifest', networkDetails: networkDetails }); + } } + } else { + hls.trigger(events["a" /* default */].ERROR, { type: errors["b" /* ErrorTypes */].NETWORK_ERROR, details: errors["a" /* ErrorDetails */].MANIFEST_PARSING_ERROR, fatal: true, url: url, reason: 'no EXTM3U delimiter', networkDetails: networkDetails }); } - }, { - key: 'liveSyncPosition', - get: function get() { - return this._liveSyncPosition; - }, - set: function set(value) { - this._liveSyncPosition = value; - } - }]); + }; - return StreamController; -}(_eventHandler2.default); + PlaylistLoader.prototype.loaderror = function loaderror(response, context) { + var networkDetails = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null; -exports.default = StreamController; + var details, + fatal, + loader = context.loader; + switch (context.type) { + case 'manifest': + details = errors["a" /* ErrorDetails */].MANIFEST_LOAD_ERROR; + fatal = true; + break; + case 'level': + details = errors["a" /* ErrorDetails */].LEVEL_LOAD_ERROR; + fatal = false; + break; + case 'audioTrack': + details = errors["a" /* ErrorDetails */].AUDIO_TRACK_LOAD_ERROR; + fatal = false; + break; + } + if (loader) { + loader.abort(); + this.loaders[context.type] = undefined; + } + this.hls.trigger(events["a" /* default */].ERROR, { type: errors["b" /* ErrorTypes */].NETWORK_ERROR, details: details, fatal: fatal, url: loader.url, loader: loader, response: response, context: context, networkDetails: networkDetails }); + }; -},{"25":25,"33":33,"34":34,"35":35,"37":37,"38":38,"48":48,"53":53,"54":54}],14:[function(_dereq_,module,exports){ -'use strict'; + PlaylistLoader.prototype.loadtimeout = function loadtimeout(stats, context) { + var networkDetails = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null; -Object.defineProperty(exports, "__esModule", { - value: true -}); + var details, + fatal, + loader = context.loader; + switch (context.type) { + case 'manifest': + details = errors["a" /* ErrorDetails */].MANIFEST_LOAD_TIMEOUT; + fatal = true; + break; + case 'level': + details = errors["a" /* ErrorDetails */].LEVEL_LOAD_TIMEOUT; + fatal = false; + break; + case 'audioTrack': + details = errors["a" /* ErrorDetails */].AUDIO_TRACK_LOAD_TIMEOUT; + fatal = false; + break; + } + if (loader) { + loader.abort(); + this.loaders[context.type] = undefined; + } + this.hls.trigger(events["a" /* default */].ERROR, { type: errors["b" /* ErrorTypes */].NETWORK_ERROR, details: details, fatal: fatal, url: loader.url, loader: loader, context: context, networkDetails: networkDetails }); + }; -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); + return PlaylistLoader; +}(event_handler); -var _events = _dereq_(35); +/* harmony default export */ var playlist_loader = (playlist_loader_PlaylistLoader); +// CONCATENATED MODULE: ./src/loader/fragment-loader.js +function fragment_loader__classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } -var _events2 = _interopRequireDefault(_events); +function fragment_loader__possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; } -var _eventHandler = _dereq_(34); +function fragment_loader__inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } -var _eventHandler2 = _interopRequireDefault(_eventHandler); +/* + * Fragment Loader +*/ -var _logger = _dereq_(53); -function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } -function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; } -function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } /* - * Subtitle Stream Controller - */ -var SubtitleStreamController = function (_EventHandler) { - _inherits(SubtitleStreamController, _EventHandler); +var fragment_loader_FragmentLoader = function (_EventHandler) { + fragment_loader__inherits(FragmentLoader, _EventHandler); - function SubtitleStreamController(hls) { - _classCallCheck(this, SubtitleStreamController); + function FragmentLoader(hls) { + fragment_loader__classCallCheck(this, FragmentLoader); - var _this = _possibleConstructorReturn(this, (SubtitleStreamController.__proto__ || Object.getPrototypeOf(SubtitleStreamController)).call(this, hls, _events2.default.ERROR, _events2.default.SUBTITLE_TRACKS_UPDATED, _events2.default.SUBTITLE_TRACK_SWITCH, _events2.default.SUBTITLE_TRACK_LOADED, _events2.default.SUBTITLE_FRAG_PROCESSED)); + var _this = fragment_loader__possibleConstructorReturn(this, _EventHandler.call(this, hls, events["a" /* default */].FRAG_LOADING)); - _this.config = hls.config; - _this.vttFragSNsProcessed = {}; - _this.vttFragQueues = undefined; - _this.currentlyProcessing = null; - _this.currentTrackId = -1; + _this.loaders = {}; return _this; } - _createClass(SubtitleStreamController, [{ - key: 'destroy', - value: function destroy() { - _eventHandler2.default.prototype.destroy.call(this); - } - - // Remove all queued items and create a new, empty queue for each track. - - }, { - key: 'clearVttFragQueues', - value: function clearVttFragQueues() { - var _this2 = this; - - this.vttFragQueues = {}; - this.tracks.forEach(function (track) { - _this2.vttFragQueues[track.id] = []; - }); - } - - // If no frag is being processed and queue isn't empty, initiate processing of next frag in line. - - }, { - key: 'nextFrag', - value: function nextFrag() { - if (this.currentlyProcessing === null && this.currentTrackId > -1 && this.vttFragQueues[this.currentTrackId].length) { - var frag = this.currentlyProcessing = this.vttFragQueues[this.currentTrackId].shift(); - this.hls.trigger(_events2.default.FRAG_LOADING, { frag: frag }); - } - } - - // When fragment has finished processing, add sn to list of completed if successful. - - }, { - key: 'onSubtitleFragProcessed', - value: function onSubtitleFragProcessed(data) { - if (data.success) { - this.vttFragSNsProcessed[data.frag.trackId].push(data.frag.sn); + FragmentLoader.prototype.destroy = function destroy() { + var loaders = this.loaders; + for (var loaderName in loaders) { + var loader = loaders[loaderName]; + if (loader) { + loader.destroy(); } - this.currentlyProcessing = null; - this.nextFrag(); } + this.loaders = {}; + event_handler.prototype.destroy.call(this); + }; - // If something goes wrong, procede to next frag, if we were processing one. + FragmentLoader.prototype.onFragLoading = function onFragLoading(data) { + var frag = data.frag, + type = frag.type, + loader = this.loaders[type], + config = this.hls.config; - }, { - key: 'onError', - value: function onError(data) { - var frag = data.frag; - // don't handle frag error not related to subtitle fragment - if (frag && frag.type !== 'subtitle') { - return; - } - if (this.currentlyProcessing) { - this.currentlyProcessing = null; - this.nextFrag(); - } + frag.loaded = 0; + if (loader) { + logger["b" /* logger */].warn('abort previous fragment loader for type:' + type); + loader.abort(); } + loader = this.loaders[type] = frag.loader = typeof config.fLoader !== 'undefined' ? new config.fLoader(config) : new config.loader(config); - // Got all new subtitle tracks. - - }, { - key: 'onSubtitleTracksUpdated', - value: function onSubtitleTracksUpdated(data) { - var _this3 = this; - - _logger.logger.log('subtitle tracks updated'); - this.tracks = data.subtitleTracks; - this.clearVttFragQueues(); - this.vttFragSNsProcessed = {}; - this.tracks.forEach(function (track) { - _this3.vttFragSNsProcessed[track.id] = []; - }); + var loaderContext = void 0, + loaderConfig = void 0, + loaderCallbacks = void 0; + loaderContext = { url: frag.url, frag: frag, responseType: 'arraybuffer', progressData: false }; + var start = frag.byteRangeStartOffset, + end = frag.byteRangeEndOffset; + if (!isNaN(start) && !isNaN(end)) { + loaderContext.rangeStart = start; + loaderContext.rangeEnd = end; } - }, { - key: 'onSubtitleTrackSwitch', - value: function onSubtitleTrackSwitch(data) { - this.currentTrackId = data.id; - this.clearVttFragQueues(); - } - - // Got a new set of subtitle fragments. + loaderConfig = { timeout: config.fragLoadingTimeOut, maxRetry: 0, retryDelay: 0, maxRetryDelay: config.fragLoadingMaxRetryTimeout }; + loaderCallbacks = { onSuccess: this.loadsuccess.bind(this), onError: this.loaderror.bind(this), onTimeout: this.loadtimeout.bind(this), onProgress: this.loadprogress.bind(this) }; + loader.load(loaderContext, loaderConfig, loaderCallbacks); + }; - }, { - key: 'onSubtitleTrackLoaded', - value: function onSubtitleTrackLoaded(data) { - var processedFragSNs = this.vttFragSNsProcessed[data.id], - fragQueue = this.vttFragQueues[data.id], - currentFragSN = !!this.currentlyProcessing ? this.currentlyProcessing.sn : -1; - - var alreadyProcessed = function alreadyProcessed(frag) { - return processedFragSNs.indexOf(frag.sn) > -1; - }; + FragmentLoader.prototype.loadsuccess = function loadsuccess(response, stats, context) { + var networkDetails = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : null; - var alreadyInQueue = function alreadyInQueue(frag) { - return fragQueue.some(function (fragInQueue) { - return fragInQueue.sn === frag.sn; - }); - }; + var payload = response.data, + frag = context.frag; + // detach fragment loader on load success + frag.loader = undefined; + this.loaders[frag.type] = undefined; + this.hls.trigger(events["a" /* default */].FRAG_LOADED, { payload: payload, frag: frag, stats: stats, networkDetails: networkDetails }); + }; - // Add all fragments that haven't been, aren't currently being and aren't waiting to be processed, to queue. - data.details.fragments.forEach(function (frag) { - if (!(alreadyProcessed(frag) || frag.sn === currentFragSN || alreadyInQueue(frag))) { - // Frags don't know their subtitle track ID, so let's just add that... - frag.trackId = data.id; - fragQueue.push(frag); - } - }); + FragmentLoader.prototype.loaderror = function loaderror(response, context) { + var networkDetails = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null; - this.nextFrag(); + var loader = context.loader; + if (loader) { + loader.abort(); } - }]); + this.loaders[context.type] = undefined; + this.hls.trigger(events["a" /* default */].ERROR, { type: errors["b" /* ErrorTypes */].NETWORK_ERROR, details: errors["a" /* ErrorDetails */].FRAG_LOAD_ERROR, fatal: false, frag: context.frag, response: response, networkDetails: networkDetails }); + }; - return SubtitleStreamController; -}(_eventHandler2.default); + FragmentLoader.prototype.loadtimeout = function loadtimeout(stats, context) { + var networkDetails = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null; -exports.default = SubtitleStreamController; + var loader = context.loader; + if (loader) { + loader.abort(); + } + this.loaders[context.type] = undefined; + this.hls.trigger(events["a" /* default */].ERROR, { type: errors["b" /* ErrorTypes */].NETWORK_ERROR, details: errors["a" /* ErrorDetails */].FRAG_LOAD_TIMEOUT, fatal: false, frag: context.frag, networkDetails: networkDetails }); + }; -},{"34":34,"35":35,"53":53}],15:[function(_dereq_,module,exports){ -'use strict'; + // data will be used for progressive parsing -Object.defineProperty(exports, "__esModule", { - value: true -}); -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); + FragmentLoader.prototype.loadprogress = function loadprogress(stats, context, data) { + var networkDetails = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : null; + // jshint ignore:line + var frag = context.frag; + frag.loaded = stats.loaded; + this.hls.trigger(events["a" /* default */].FRAG_LOAD_PROGRESS, { frag: frag, stats: stats, networkDetails: networkDetails }); + }; -var _events = _dereq_(35); + return FragmentLoader; +}(event_handler); -var _events2 = _interopRequireDefault(_events); +/* harmony default export */ var fragment_loader = (fragment_loader_FragmentLoader); +// CONCATENATED MODULE: ./src/loader/key-loader.js +function key_loader__classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } -var _eventHandler = _dereq_(34); +function key_loader__possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; } -var _eventHandler2 = _interopRequireDefault(_eventHandler); +function key_loader__inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } -var _logger = _dereq_(53); +/* + * Decrypt key Loader +*/ -function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } -function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; } -function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } /* - * audio track controller - */ -function filterSubtitleTracks(textTrackList) { - var tracks = []; - for (var i = 0; i < textTrackList.length; i++) { - if (textTrackList[i].kind === 'subtitles') { - tracks.push(textTrackList[i]); - } - } - return tracks; -} -var SubtitleTrackController = function (_EventHandler) { - _inherits(SubtitleTrackController, _EventHandler); +var key_loader_KeyLoader = function (_EventHandler) { + key_loader__inherits(KeyLoader, _EventHandler); - function SubtitleTrackController(hls) { - _classCallCheck(this, SubtitleTrackController); + function KeyLoader(hls) { + key_loader__classCallCheck(this, KeyLoader); - var _this = _possibleConstructorReturn(this, (SubtitleTrackController.__proto__ || Object.getPrototypeOf(SubtitleTrackController)).call(this, hls, _events2.default.MEDIA_ATTACHED, _events2.default.MEDIA_DETACHING, _events2.default.MANIFEST_LOADING, _events2.default.MANIFEST_LOADED, _events2.default.SUBTITLE_TRACK_LOADED)); + var _this = key_loader__possibleConstructorReturn(this, _EventHandler.call(this, hls, events["a" /* default */].KEY_LOADING)); - _this.tracks = []; - _this.trackId = -1; - _this.media = undefined; + _this.loaders = {}; + _this.decryptkey = null; + _this.decrypturl = null; return _this; } - _createClass(SubtitleTrackController, [{ - key: 'destroy', - value: function destroy() { - _eventHandler2.default.prototype.destroy.call(this); + KeyLoader.prototype.destroy = function destroy() { + for (var loaderName in this.loaders) { + var loader = this.loaders[loaderName]; + if (loader) { + loader.destroy(); + } } + this.loaders = {}; + event_handler.prototype.destroy.call(this); + }; - // Listen for subtitle track change, then extract the current track ID. - - }, { - key: 'onMediaAttached', - value: function onMediaAttached(data) { - var _this2 = this; + KeyLoader.prototype.onKeyLoading = function onKeyLoading(data) { + var frag = data.frag, + type = frag.type, + loader = this.loaders[type], + decryptdata = frag.decryptdata, + uri = decryptdata.uri; + // if uri is different from previous one or if decrypt key not retrieved yet + if (uri !== this.decrypturl || this.decryptkey === null) { + var config = this.hls.config; - this.media = data.media; - if (!this.media) { - return; + if (loader) { + logger["b" /* logger */].warn('abort previous key loader for type:' + type); + loader.abort(); } + frag.loader = this.loaders[type] = new config.loader(config); + this.decrypturl = uri; + this.decryptkey = null; - this.media.textTracks.addEventListener('change', function () { - // Media is undefined when switching streams via loadSource() - if (!_this2.media) { - return; - } + var loaderContext = void 0, + loaderConfig = void 0, + loaderCallbacks = void 0; + loaderContext = { url: uri, frag: frag, responseType: 'arraybuffer' }; + loaderConfig = { timeout: config.fragLoadingTimeOut, maxRetry: config.fragLoadingMaxRetry, retryDelay: config.fragLoadingRetryDelay, maxRetryDelay: config.fragLoadingMaxRetryTimeout }; + loaderCallbacks = { onSuccess: this.loadsuccess.bind(this), onError: this.loaderror.bind(this), onTimeout: this.loadtimeout.bind(this) }; + frag.loader.load(loaderContext, loaderConfig, loaderCallbacks); + } else if (this.decryptkey) { + // we already loaded this key, return it + decryptdata.key = this.decryptkey; + this.hls.trigger(events["a" /* default */].KEY_LOADED, { frag: frag }); + } + }; - var trackId = -1; - var tracks = filterSubtitleTracks(_this2.media.textTracks); - for (var id = 0; id < tracks.length; id++) { - if (tracks[id].mode === 'showing') { - trackId = id; - } - } - // Setting current subtitleTrack will invoke code. - _this2.subtitleTrack = trackId; - }); + KeyLoader.prototype.loadsuccess = function loadsuccess(response, stats, context) { + var frag = context.frag; + this.decryptkey = frag.decryptdata.key = new Uint8Array(response.data); + // detach fragment loader on load success + frag.loader = undefined; + this.loaders[frag.type] = undefined; + this.hls.trigger(events["a" /* default */].KEY_LOADED, { frag: frag }); + }; + + KeyLoader.prototype.loaderror = function loaderror(response, context) { + var frag = context.frag, + loader = frag.loader; + if (loader) { + loader.abort(); } - }, { - key: 'onMediaDetaching', - value: function onMediaDetaching() { - // TODO: Remove event listeners. - this.media = undefined; + this.loaders[context.type] = undefined; + this.hls.trigger(events["a" /* default */].ERROR, { type: errors["b" /* ErrorTypes */].NETWORK_ERROR, details: errors["a" /* ErrorDetails */].KEY_LOAD_ERROR, fatal: false, frag: frag, response: response }); + }; + + KeyLoader.prototype.loadtimeout = function loadtimeout(stats, context) { + var frag = context.frag, + loader = frag.loader; + if (loader) { + loader.abort(); } + this.loaders[context.type] = undefined; + this.hls.trigger(events["a" /* default */].ERROR, { type: errors["b" /* ErrorTypes */].NETWORK_ERROR, details: errors["a" /* ErrorDetails */].KEY_LOAD_TIMEOUT, fatal: false, frag: frag }); + }; - // Reset subtitle tracks on manifest loading + return KeyLoader; +}(event_handler); - }, { - key: 'onManifestLoading', - value: function onManifestLoading() { - this.tracks = []; - this.trackId = -1; - } +/* harmony default export */ var key_loader = (key_loader_KeyLoader); +// CONCATENATED MODULE: ./src/utils/binary-search.js +var BinarySearch = { + /** + * Searches for an item in an array which matches a certain condition. + * This requires the condition to only match one item in the array, + * and for the array to be ordered. + * + * @param {Array} list The array to search. + * @param {Function} comparisonFunction + * Called and provided a candidate item as the first argument. + * Should return: + * > -1 if the item should be located at a lower index than the provided item. + * > 1 if the item should be located at a higher index than the provided item. + * > 0 if the item is the item you're looking for. + * + * @return {*} The object if it is found or null otherwise. + */ + search: function search(list, comparisonFunction) { + var minIndex = 0; + var maxIndex = list.length - 1; + var currentIndex = null; + var currentElement = null; - // Fired whenever a new manifest is loaded. + while (minIndex <= maxIndex) { + currentIndex = (minIndex + maxIndex) / 2 | 0; + currentElement = list[currentIndex]; - }, { - key: 'onManifestLoaded', - value: function onManifestLoaded(data) { - var _this3 = this; - - var tracks = data.subtitles || []; - var defaultFound = false; - this.tracks = tracks; - this.trackId = -1; - this.hls.trigger(_events2.default.SUBTITLE_TRACKS_UPDATED, { subtitleTracks: tracks }); - - // loop through available subtitle tracks and autoselect default if needed - // TODO: improve selection logic to handle forced, etc - tracks.forEach(function (track) { - if (track.default) { - _this3.subtitleTrack = track.id; - defaultFound = true; + var comparisonResult = comparisonFunction(currentElement); + if (comparisonResult > 0) { + minIndex = currentIndex + 1; + } else if (comparisonResult < 0) { + maxIndex = currentIndex - 1; + } else { + return currentElement; + } } - }); - } - // Trigger subtitle track playlist reload. + return null; + } +}; - }, { - key: 'onTick', - value: function onTick() { - var trackId = this.trackId; - var subtitleTrack = this.tracks[trackId]; - if (!subtitleTrack) { - return; - } +/* harmony default export */ var binary_search = (BinarySearch); +// CONCATENATED MODULE: ./src/helper/buffer-helper.js +/** + * Buffer Helper utils, providing methods dealing buffer length retrieval +*/ - var details = subtitleTrack.details; - // check if we need to load playlist for this subtitle Track - if (details === undefined || details.live === true) { - // track not retrieved yet, or live playlist we need to (re)load it - _logger.logger.log('(re)loading playlist for subtitle track ' + trackId); - this.hls.trigger(_events2.default.SUBTITLE_TRACK_LOADING, { url: subtitleTrack.url, id: trackId }); +var BufferHelper = { + isBuffered: function isBuffered(media, position) { + if (media) { + var buffered = media.buffered; + for (var i = 0; i < buffered.length; i++) { + if (position >= buffered.start(i) && position <= buffered.end(i)) { + return true; + } } } - }, { - key: 'onSubtitleTrackLoaded', - value: function onSubtitleTrackLoaded(data) { - var _this4 = this; + return false; + }, - if (data.id < this.tracks.length) { - _logger.logger.log('subtitle track ' + data.id + ' loaded'); - this.tracks[data.id].details = data.details; - // check if current playlist is a live playlist - if (data.details.live && !this.timer) { - // if live playlist we will have to reload it periodically - // set reload period to playlist target duration - this.timer = setInterval(function () { - _this4.onTick(); - }, 1000 * data.details.targetduration, this); - } - if (!data.details.live && this.timer) { - // playlist is not live and timer is armed : stopping it - clearInterval(this.timer); - this.timer = null; - } + bufferInfo: function bufferInfo(media, pos, maxHoleDuration) { + if (media) { + var vbuffered = media.buffered, + buffered = [], + i; + for (i = 0; i < vbuffered.length; i++) { + buffered.push({ start: vbuffered.start(i), end: vbuffered.end(i) }); } + return this.bufferedInfo(buffered, pos, maxHoleDuration); + } else { + return { len: 0, start: pos, end: pos, nextStart: undefined }; } + }, - /** get alternate subtitle tracks list from playlist **/ + bufferedInfo: function bufferedInfo(buffered, pos, maxHoleDuration) { + var buffered2 = [], - }, { - key: 'setSubtitleTrackInternal', - value: function setSubtitleTrackInternal(newId) { - // check if level idx is valid - if (newId >= 0 && newId < this.tracks.length) { - // stopping live reloading timer if any - if (this.timer) { - clearInterval(this.timer); - this.timer = null; - } - this.trackId = newId; - _logger.logger.log('switching to subtitle track ' + newId); - var subtitleTrack = this.tracks[newId]; - this.hls.trigger(_events2.default.SUBTITLE_TRACK_SWITCH, { id: newId }); - // check if we need to load playlist for this subtitle Track - var details = subtitleTrack.details; - if (details === undefined || details.live === true) { - // track not retrieved yet, or live playlist we need to (re)load it - _logger.logger.log('(re)loading playlist for subtitle track ' + newId); - this.hls.trigger(_events2.default.SUBTITLE_TRACK_LOADING, { url: subtitleTrack.url, id: newId }); + // bufferStart and bufferEnd are buffer boundaries around current video position + bufferLen, + bufferStart, + bufferEnd, + bufferStartNext, + i; + // sort on buffer.start/smaller end (IE does not always return sorted buffered range) + buffered.sort(function (a, b) { + var diff = a.start - b.start; + if (diff) { + return diff; + } else { + return b.end - a.end; + } + }); + // there might be some small holes between buffer time range + // consider that holes smaller than maxHoleDuration are irrelevant and build another + // buffer time range representations that discards those holes + for (i = 0; i < buffered.length; i++) { + var buf2len = buffered2.length; + if (buf2len) { + var buf2end = buffered2[buf2len - 1].end; + // if small hole (value between 0 or maxHoleDuration ) or overlapping (negative) + if (buffered[i].start - buf2end < maxHoleDuration) { + // merge overlapping time ranges + // update lastRange.end only if smaller than item.end + // e.g. [ 1, 15] with [ 2,8] => [ 1,15] (no need to modify lastRange.end) + // whereas [ 1, 8] with [ 2,15] => [ 1,15] ( lastRange should switch from [1,8] to [1,15]) + if (buffered[i].end > buf2end) { + buffered2[buf2len - 1].end = buffered[i].end; + } + } else { + // big hole + buffered2.push(buffered[i]); } + } else { + // first value + buffered2.push(buffered[i]); } } - }, { - key: 'subtitleTracks', - get: function get() { - return this.tracks; - } - - /** get index of the selected subtitle track (index in subtitle track lists) **/ - - }, { - key: 'subtitleTrack', - get: function get() { - return this.trackId; - } - - /** select a subtitle track, based on its index in subtitle track lists**/ - , - set: function set(subtitleTrackId) { - if (this.trackId !== subtitleTrackId) { - // || this.tracks[subtitleTrackId].details === undefined) { - this.setSubtitleTrackInternal(subtitleTrackId); + for (i = 0, bufferLen = 0, bufferStart = bufferEnd = pos; i < buffered2.length; i++) { + var start = buffered2[i].start, + end = buffered2[i].end; + //logger.log('buf start/end:' + buffered.start(i) + '/' + buffered.end(i)); + if (pos + maxHoleDuration >= start && pos < end) { + // play position is inside this buffer TimeRange, retrieve end of buffer position and buffer length + bufferStart = start; + bufferEnd = end; + bufferLen = bufferEnd - pos; + } else if (pos + maxHoleDuration < start) { + bufferStartNext = start; + break; } } - }]); - - return SubtitleTrackController; -}(_eventHandler2.default); - -exports.default = SubtitleTrackController; - -},{"34":34,"35":35,"53":53}],16:[function(_dereq_,module,exports){ -'use strict'; - -Object.defineProperty(exports, "__esModule", { - value: true -}); - -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); - -var _events = _dereq_(35); - -var _events2 = _interopRequireDefault(_events); - -var _eventHandler = _dereq_(34); - -var _eventHandler2 = _interopRequireDefault(_eventHandler); - -var _cea608Parser = _dereq_(49); - -var _cea608Parser2 = _interopRequireDefault(_cea608Parser); - -var _webvttParser = _dereq_(57); - -var _webvttParser2 = _interopRequireDefault(_webvttParser); - -var _logger = _dereq_(53); + return { len: bufferLen, start: bufferStart, end: bufferEnd, nextStart: bufferStartNext }; + } +}; -function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } +/* harmony default export */ var buffer_helper = (BufferHelper); +// EXTERNAL MODULE: ./src/demux/demuxer-inline.js + 12 modules +var demuxer_inline = __webpack_require__(7); -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } +// EXTERNAL MODULE: ./node_modules/events/events.js +var events_events = __webpack_require__(5); +var events_default = /*#__PURE__*/__webpack_require__.n(events_events); -function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; } +// EXTERNAL MODULE: ./node_modules/webworkify-webpack/index.js +var webworkify_webpack = __webpack_require__(9); +var webworkify_webpack_default = /*#__PURE__*/__webpack_require__.n(webworkify_webpack); -function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } /* - * Timeline Controller - */ +// CONCATENATED MODULE: ./src/helper/mediasource-helper.js +/** + * MediaSource helper + */ -function clearCurrentCues(track) { - if (track && track.cues) { - while (track.cues.length > 0) { - track.removeCue(track.cues[0]); - } +function getMediaSource() { + if (typeof window !== 'undefined') { + return window.MediaSource || window.WebKitMediaSource; } } +// CONCATENATED MODULE: ./src/demux/demuxer.js +function demuxer__classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } -function reuseVttTextTrack(inUseTrack, manifestTrack) { - return inUseTrack && inUseTrack.label === manifestTrack.name && !(inUseTrack.textTrack1 || inUseTrack.textTrack2); -} -function intersection(x1, x2, y1, y2) { - return Math.min(x2, y2) - Math.max(x1, y1); -} -var TimelineController = function (_EventHandler) { - _inherits(TimelineController, _EventHandler); - function TimelineController(hls) { - _classCallCheck(this, TimelineController); - var _this = _possibleConstructorReturn(this, (TimelineController.__proto__ || Object.getPrototypeOf(TimelineController)).call(this, hls, _events2.default.MEDIA_ATTACHING, _events2.default.MEDIA_DETACHING, _events2.default.FRAG_PARSING_USERDATA, _events2.default.MANIFEST_LOADING, _events2.default.MANIFEST_LOADED, _events2.default.FRAG_LOADED, _events2.default.LEVEL_SWITCHING, _events2.default.INIT_PTS_FOUND)); - _this.hls = hls; - _this.config = hls.config; - _this.enabled = true; - _this.Cues = hls.config.cueHandler; - _this.textTracks = []; - _this.tracks = []; - _this.unparsedVttFrags = []; - _this.initPTS = undefined; - _this.cueRanges = []; - if (_this.config.enableCEA708Captions) { - var self = _this; - var sendAddTrackEvent = function sendAddTrackEvent(track, media) { - var e = null; - try { - e = new window.Event('addtrack'); - } catch (err) { - //for IE11 - e = document.createEvent('Event'); - e.initEvent('addtrack', false, false); - } - e.track = track; - media.dispatchEvent(e); - }; - var channel1 = { - 'newCue': function newCue(startTime, endTime, screen) { - if (!self.textTrack1) { - //Enable reuse of existing text track. - var existingTrack1 = self.getExistingTrack('1'); - if (!existingTrack1) { - var textTrack1 = self.createTextTrack('captions', self.config.captionsTextTrack1Label, self.config.captionsTextTrack1LanguageCode); - if (textTrack1) { - textTrack1.textTrack1 = true; - self.textTrack1 = textTrack1; - } - } else { - self.textTrack1 = existingTrack1; - clearCurrentCues(self.textTrack1); - sendAddTrackEvent(self.textTrack1, self.media); - } - } - self.addCues('textTrack1', startTime, endTime, screen); - } - }; +var demuxer_MediaSource = getMediaSource(); - var channel2 = { - 'newCue': function newCue(startTime, endTime, screen) { - if (!self.textTrack2) { - //Enable reuse of existing text track. - var existingTrack2 = self.getExistingTrack('2'); - if (!existingTrack2) { - var textTrack2 = self.createTextTrack('captions', self.config.captionsTextTrack2Label, self.config.captionsTextTrack1LanguageCode); - if (textTrack2) { - textTrack2.textTrack2 = true; - self.textTrack2 = textTrack2; - } - } else { - self.textTrack2 = existingTrack2; - clearCurrentCues(self.textTrack2); +var demuxer_Demuxer = function () { + function Demuxer(hls, id) { + demuxer__classCallCheck(this, Demuxer); - sendAddTrackEvent(self.textTrack2, self.media); - } - } - self.addCues('textTrack2', startTime, endTime, screen); - } - }; + this.hls = hls; + this.id = id; + // observer setup + var observer = this.observer = new events_default.a(); + var config = hls.config; + observer.trigger = function trigger(event) { + for (var _len = arguments.length, data = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) { + data[_key - 1] = arguments[_key]; + } - _this.cea608Parser = new _cea608Parser2.default(0, channel1, channel2); - } - return _this; - } + observer.emit.apply(observer, [event, event].concat(data)); + }; - _createClass(TimelineController, [{ - key: 'addCues', - value: function addCues(channel, startTime, endTime, screen) { - // skip cues which overlap more than 50% with previously parsed time ranges - var ranges = this.cueRanges; - var merged = false; - for (var i = ranges.length; i--;) { - var cueRange = ranges[i]; - var overlap = intersection(cueRange[0], cueRange[1], startTime, endTime); - if (overlap >= 0) { - cueRange[0] = Math.min(cueRange[0], startTime); - cueRange[1] = Math.max(cueRange[1], endTime); - merged = true; - if (overlap / (endTime - startTime) > 0.5) { - return; - } - } - } - if (!merged) { - ranges.push([startTime, endTime]); + observer.off = function off(event) { + for (var _len2 = arguments.length, data = Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) { + data[_key2 - 1] = arguments[_key2]; } - this.Cues.newCue(this[channel], startTime, endTime, screen); - } - // Triggered when an initial PTS is found; used for synchronisation of WebVTT. - - }, { - key: 'onInitPtsFound', - value: function onInitPtsFound(data) { - var _this2 = this; + observer.removeListener.apply(observer, [event].concat(data)); + }; - if (typeof this.initPTS === 'undefined') { - this.initPTS = data.initPTS; - } + var forwardMessage = function (ev, data) { + data = data || {}; + data.frag = this.frag; + data.id = this.id; + hls.trigger(ev, data); + }.bind(this); - // Due to asynchrony, initial PTS may arrive later than the first VTT fragments are loaded. - // Parse any unparsed fragments upon receiving the initial PTS. - if (this.unparsedVttFrags.length) { - this.unparsedVttFrags.forEach(function (frag) { - _this2.onFragLoaded(frag); - }); - this.unparsedVttFrags = []; - } - } - }, { - key: 'getExistingTrack', - value: function getExistingTrack(channelNumber) { - var media = this.media; - if (media) { - for (var i = 0; i < media.textTracks.length; i++) { - var textTrack = media.textTracks[i]; - var propName = 'textTrack' + channelNumber; - if (textTrack[propName] === true) { - return textTrack; - } - } - } - return null; - } - }, { - key: 'createTextTrack', - value: function createTextTrack(kind, label, lang) { - var media = this.media; - if (media) { - return media.addTextTrack(kind, label, lang); - } - } - }, { - key: 'destroy', - value: function destroy() { - _eventHandler2.default.prototype.destroy.call(this); - } - }, { - key: 'onMediaAttaching', - value: function onMediaAttaching(data) { - this.media = data.media; - } - }, { - key: 'onMediaDetaching', - value: function onMediaDetaching() { - clearCurrentCues(this.textTrack1); - clearCurrentCues(this.textTrack2); - } - }, { - key: 'onManifestLoading', - value: function onManifestLoading() { - this.lastSn = -1; // Detect discontiguity in fragment parsing - this.prevCC = -1; - this.vttCCs = { ccOffset: 0, presentationOffset: 0 }; // Detect discontinuity in subtitle manifests + // forward events to main thread + observer.on(events["a" /* default */].FRAG_DECRYPTED, forwardMessage); + observer.on(events["a" /* default */].FRAG_PARSING_INIT_SEGMENT, forwardMessage); + observer.on(events["a" /* default */].FRAG_PARSING_DATA, forwardMessage); + observer.on(events["a" /* default */].FRAG_PARSED, forwardMessage); + observer.on(events["a" /* default */].ERROR, forwardMessage); + observer.on(events["a" /* default */].FRAG_PARSING_METADATA, forwardMessage); + observer.on(events["a" /* default */].FRAG_PARSING_USERDATA, forwardMessage); + observer.on(events["a" /* default */].INIT_PTS_FOUND, forwardMessage); - // clear outdated subtitles - var media = this.media; - if (media) { - var textTracks = media.textTracks; - if (textTracks) { - for (var i = 0; i < textTracks.length; i++) { - clearCurrentCues(textTracks[i]); - } - } - } - } - }, { - key: 'onManifestLoaded', - value: function onManifestLoaded(data) { - var _this3 = this; - - this.textTracks = []; - this.unparsedVttFrags = this.unparsedVttFrags || []; - this.initPTS = undefined; - this.cueRanges = []; - - if (this.config.enableWebVTT) { - this.tracks = data.subtitles || []; - var inUseTracks = this.media ? this.media.textTracks : []; - - this.tracks.forEach(function (track, index) { - var textTrack = void 0; - if (index < inUseTracks.length) { - var inUseTrack = inUseTracks[index]; - // Reuse tracks with the same label, but do not reuse 608/708 tracks - if (reuseVttTextTrack(inUseTrack, track)) { - textTrack = inUseTrack; - } - } - if (!textTrack) { - textTrack = _this3.createTextTrack('subtitles', track.name, track.lang); - } - textTrack.mode = track.default ? 'showing' : 'hidden'; - _this3.textTracks.push(textTrack); - }); - } - } - }, { - key: 'onLevelSwitching', - value: function onLevelSwitching() { - this.enabled = this.hls.currentLevel.closedCaptions !== 'NONE'; - } - }, { - key: 'onFragLoaded', - value: function onFragLoaded(data) { - var frag = data.frag, - payload = data.payload; - if (frag.type === 'main') { - var sn = frag.sn; - // if this frag isn't contiguous, clear the parser so cues with bad start/end times aren't added to the textTrack - if (sn !== this.lastSn + 1) { - var cea608Parser = this.cea608Parser; - if (cea608Parser) { - cea608Parser.reset(); - } - } - this.lastSn = sn; - } - // If fragment is subtitle type, parse as WebVTT. - else if (frag.type === 'subtitle') { - if (payload.byteLength) { - // We need an initial synchronisation PTS. Store fragments as long as none has arrived. - if (typeof this.initPTS === 'undefined') { - this.unparsedVttFrags.push(data); - return; - } - var vttCCs = this.vttCCs; - if (!vttCCs[frag.cc]) { - vttCCs[frag.cc] = { start: frag.start, prevCC: this.prevCC, new: true }; - this.prevCC = frag.cc; - } - var textTracks = this.textTracks, - hls = this.hls; - - // Parse the WebVTT file contents. - _webvttParser2.default.parse(payload, this.initPTS, vttCCs, frag.cc, function (cues) { - var currentTrack = textTracks[frag.trackId]; - // Add cues and trigger event with success true. - cues.forEach(function (cue) { - // Sometimes there are cue overlaps on segmented vtts so the same - // cue can appear more than once in different vtt files. - // This avoid showing duplicated cues with same timecode and text. - if (!currentTrack.cues.getCueById(cue.id)) { - currentTrack.addCue(cue); - } - }); - hls.trigger(_events2.default.SUBTITLE_FRAG_PROCESSED, { success: true, frag: frag }); - }, function (e) { - // Something went wrong while parsing. Trigger event with success false. - _logger.logger.log('Failed to parse VTT cue: ' + e); - hls.trigger(_events2.default.SUBTITLE_FRAG_PROCESSED, { success: false, frag: frag }); - }); - } else { - // In case there is no payload, finish unsuccessfully. - this.hls.trigger(_events2.default.SUBTITLE_FRAG_PROCESSED, { success: false, frag: frag }); - } - } - } - }, { - key: 'onFragParsingUserdata', - value: function onFragParsingUserdata(data) { - // push all of the CEA-708 messages into the interpreter - // immediately. It will create the proper timestamps based on our PTS value - if (this.enabled && this.config.enableCEA708Captions) { - for (var i = 0; i < data.samples.length; i++) { - var ccdatas = this.extractCea608Data(data.samples[i].bytes); - this.cea608Parser.addData(data.samples[i].pts, ccdatas); + var typeSupported = { + mp4: demuxer_MediaSource.isTypeSupported('video/mp4'), + mpeg: demuxer_MediaSource.isTypeSupported('audio/mpeg'), + mp3: demuxer_MediaSource.isTypeSupported('audio/mp4; codecs="mp3"') + }; + // navigator.vendor is not always available in Web Worker + // refer to https://developer.mozilla.org/en-US/docs/Web/API/WorkerGlobalScope/navigator + var vendor = navigator.vendor; + if (config.enableWorker && typeof Worker !== 'undefined') { + logger["b" /* logger */].log('demuxing in webworker'); + var w = void 0; + try { + w = this.w = webworkify_webpack_default()(/*require.resolve*/(10)); + this.onwmsg = this.onWorkerMessage.bind(this); + w.addEventListener('message', this.onwmsg); + w.onerror = function (event) { + hls.trigger(events["a" /* default */].ERROR, { type: errors["b" /* ErrorTypes */].OTHER_ERROR, details: errors["a" /* ErrorDetails */].INTERNAL_EXCEPTION, fatal: true, event: 'demuxerWorker', err: { message: event.message + ' (' + event.filename + ':' + event.lineno + ')' } }); + }; + w.postMessage({ cmd: 'init', typeSupported: typeSupported, vendor: vendor, id: id, config: JSON.stringify(config) }); + } catch (err) { + logger["b" /* logger */].error('error while initializing DemuxerWorker, fallback on DemuxerInline'); + if (w) { + // revoke the Object URL that was used to create demuxer worker, so as not to leak it + URL.revokeObjectURL(w.objectURL); } + this.demuxer = new demuxer_inline["a" /* default */](observer, typeSupported, config, vendor); + this.w = undefined; } + } else { + this.demuxer = new demuxer_inline["a" /* default */](observer, typeSupported, config, vendor); } - }, { - key: 'extractCea608Data', - value: function extractCea608Data(byteArray) { - var count = byteArray[0] & 31; - var position = 2; - var tmpByte, ccbyte1, ccbyte2, ccValid, ccType; - var actualCCBytes = []; - - for (var j = 0; j < count; j++) { - tmpByte = byteArray[position++]; - ccbyte1 = 0x7F & byteArray[position++]; - ccbyte2 = 0x7F & byteArray[position++]; - ccValid = (4 & tmpByte) !== 0; - ccType = 3 & tmpByte; - - if (ccbyte1 === 0 && ccbyte2 === 0) { - continue; - } + } - if (ccValid) { - if (ccType === 0) // || ccType === 1 - { - actualCCBytes.push(ccbyte1); - actualCCBytes.push(ccbyte2); - } - } + Demuxer.prototype.destroy = function destroy() { + var w = this.w; + if (w) { + w.removeEventListener('message', this.onwmsg); + w.terminate(); + this.w = null; + } else { + var demuxer = this.demuxer; + if (demuxer) { + demuxer.destroy(); + this.demuxer = null; } - return actualCCBytes; } - }]); - - return TimelineController; -}(_eventHandler2.default); - -exports.default = TimelineController; - -},{"34":34,"35":35,"49":49,"53":53,"57":57}],17:[function(_dereq_,module,exports){ -'use strict'; - -Object.defineProperty(exports, "__esModule", { - value: true -}); - -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); - -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } - -var AESCrypto = function () { - function AESCrypto(subtle, iv) { - _classCallCheck(this, AESCrypto); + var observer = this.observer; + if (observer) { + observer.removeAllListeners(); + this.observer = null; + } + }; - this.subtle = subtle; - this.aesIV = iv; - } + Demuxer.prototype.push = function push(data, initSegment, audioCodec, videoCodec, frag, duration, accurateTimeOffset, defaultInitPTS) { + var w = this.w; + var timeOffset = !isNaN(frag.startDTS) ? frag.startDTS : frag.start; + var decryptdata = frag.decryptdata; + var lastFrag = this.frag; + var discontinuity = !(lastFrag && frag.cc === lastFrag.cc); + var trackSwitch = !(lastFrag && frag.level === lastFrag.level); + var nextSN = lastFrag && frag.sn === lastFrag.sn + 1; + var contiguous = !trackSwitch && nextSN; + if (discontinuity) { + logger["b" /* logger */].log(this.id + ':discontinuity detected'); + } + if (trackSwitch) { + logger["b" /* logger */].log(this.id + ':switch detected'); + } + this.frag = frag; + if (w) { + // post fragment payload as transferable objects for ArrayBuffer (no copy) + w.postMessage({ cmd: 'demux', data: data, decryptdata: decryptdata, initSegment: initSegment, audioCodec: audioCodec, videoCodec: videoCodec, timeOffset: timeOffset, discontinuity: discontinuity, trackSwitch: trackSwitch, contiguous: contiguous, duration: duration, accurateTimeOffset: accurateTimeOffset, defaultInitPTS: defaultInitPTS }, data instanceof ArrayBuffer ? [data] : []); + } else { + var demuxer = this.demuxer; + if (demuxer) { + demuxer.push(data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS); + } + } + }; - _createClass(AESCrypto, [{ - key: 'decrypt', - value: function decrypt(data, key) { - return this.subtle.decrypt({ name: 'AES-CBC', iv: this.aesIV }, key, data); + Demuxer.prototype.onWorkerMessage = function onWorkerMessage(ev) { + var data = ev.data, + hls = this.hls; + //console.log('onWorkerMessage:' + data.event); + switch (data.event) { + case 'init': + // revoke the Object URL that was used to create demuxer worker, so as not to leak it + URL.revokeObjectURL(this.w.objectURL); + break; + // special case for FRAG_PARSING_DATA: data1 and data2 are transferable objects + case events["a" /* default */].FRAG_PARSING_DATA: + data.data.data1 = new Uint8Array(data.data1); + if (data.data2) { + data.data.data2 = new Uint8Array(data.data2); + } + /* falls through */ + default: + data.data = data.data || {}; + data.data.frag = this.frag; + data.data.id = this.id; + hls.trigger(data.event, data.data); + break; } - }]); + }; - return AESCrypto; + return Demuxer; }(); -exports.default = AESCrypto; - -},{}],18:[function(_dereq_,module,exports){ -'use strict'; - -Object.defineProperty(exports, "__esModule", { - value: true -}); - -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); - -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } +/* harmony default export */ var demux_demuxer = (demuxer_Demuxer); +// CONCATENATED MODULE: ./src/helper/level-helper.js +/** + * Level Helper class, providing methods dealing with playlist sliding and drift +*/ -var AESDecryptor = function () { - function AESDecryptor() { - _classCallCheck(this, AESDecryptor); - // Static after running initTable - this.rcon = [0x0, 0x1, 0x2, 0x4, 0x8, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36]; - this.subMix = [new Uint32Array(256), new Uint32Array(256), new Uint32Array(256), new Uint32Array(256)]; - this.invSubMix = [new Uint32Array(256), new Uint32Array(256), new Uint32Array(256), new Uint32Array(256)]; - this.sBox = new Uint32Array(256); - this.invSBox = new Uint32Array(256); - // Changes during runtime - this.key = new Uint32Array(0); +function updatePTS(fragments, fromIdx, toIdx) { + var fragFrom = fragments[fromIdx], + fragTo = fragments[toIdx], + fragToPTS = fragTo.startPTS; + // if we know startPTS[toIdx] + if (!isNaN(fragToPTS)) { + // update fragment duration. + // it helps to fix drifts between playlist reported duration and fragment real duration + if (toIdx > fromIdx) { + fragFrom.duration = fragToPTS - fragFrom.start; + if (fragFrom.duration < 0) { + logger["b" /* logger */].warn('negative duration computed for frag ' + fragFrom.sn + ',level ' + fragFrom.level + ', there should be some duration drift between playlist and fragment!'); + } + } else { + fragTo.duration = fragFrom.start - fragToPTS; + if (fragTo.duration < 0) { + logger["b" /* logger */].warn('negative duration computed for frag ' + fragTo.sn + ',level ' + fragTo.level + ', there should be some duration drift between playlist and fragment!'); + } + } + } else { + // we dont know startPTS[toIdx] + if (toIdx > fromIdx) { + fragTo.start = fragFrom.start + fragFrom.duration; + } else { + fragTo.start = Math.max(fragFrom.start - fragTo.duration, 0); + } + } +} - this.initTable(); +function updateFragPTSDTS(details, frag, startPTS, endPTS, startDTS, endDTS) { + // update frag PTS/DTS + var maxStartPTS = startPTS; + if (!isNaN(frag.startPTS)) { + // delta PTS between audio and video + var deltaPTS = Math.abs(frag.startPTS - startPTS); + if (isNaN(frag.deltaPTS)) { + frag.deltaPTS = deltaPTS; + } else { + frag.deltaPTS = Math.max(deltaPTS, frag.deltaPTS); + } + maxStartPTS = Math.max(startPTS, frag.startPTS); + startPTS = Math.min(startPTS, frag.startPTS); + endPTS = Math.max(endPTS, frag.endPTS); + startDTS = Math.min(startDTS, frag.startDTS); + endDTS = Math.max(endDTS, frag.endDTS); + } + + var drift = startPTS - frag.start; + frag.start = frag.startPTS = startPTS; + frag.maxStartPTS = maxStartPTS; + frag.endPTS = endPTS; + frag.startDTS = startDTS; + frag.endDTS = endDTS; + frag.duration = endPTS - startPTS; + + var sn = frag.sn; + // exit if sn out of range + if (!details || sn < details.startSN || sn > details.endSN) { + return 0; + } + var fragIdx, fragments, i; + fragIdx = sn - details.startSN; + fragments = details.fragments; + // update frag reference in fragments array + // rationale is that fragments array might not contain this frag object. + // this will happpen if playlist has been refreshed between frag loading and call to updateFragPTSDTS() + // if we don't update frag, we won't be able to propagate PTS info on the playlist + // resulting in invalid sliding computation + fragments[fragIdx] = frag; + // adjust fragment PTS/duration from seqnum-1 to frag 0 + for (i = fragIdx; i > 0; i--) { + updatePTS(fragments, i, i - 1); } - // Using view.getUint32() also swaps the byte order. + // adjust fragment PTS/duration from seqnum to last frag + for (i = fragIdx; i < fragments.length - 1; i++) { + updatePTS(fragments, i, i + 1); + } + details.PTSKnown = true; + //logger.log(` frag start/end:${startPTS.toFixed(3)}/${endPTS.toFixed(3)}`); + return drift; +} - _createClass(AESDecryptor, [{ - key: 'uint8ArrayToUint32Array_', - value: function uint8ArrayToUint32Array_(arrayBuffer) { - var view = new DataView(arrayBuffer); - var newArray = new Uint32Array(4); - for (var i = 0; i < 4; i++) { - newArray[i] = view.getUint32(i * 4); +function mergeDetails(oldDetails, newDetails) { + var start = Math.max(oldDetails.startSN, newDetails.startSN) - newDetails.startSN, + end = Math.min(oldDetails.endSN, newDetails.endSN) - newDetails.startSN, + delta = newDetails.startSN - oldDetails.startSN, + oldfragments = oldDetails.fragments, + newfragments = newDetails.fragments, + ccOffset = 0, + PTSFrag; + + // check if old/new playlists have fragments in common + if (end < start) { + newDetails.PTSKnown = false; + return; + } + // loop through overlapping SN and update startPTS , cc, and duration if any found + for (var i = start; i <= end; i++) { + var oldFrag = oldfragments[delta + i], + newFrag = newfragments[i]; + if (newFrag && oldFrag) { + ccOffset = oldFrag.cc - newFrag.cc; + if (!isNaN(oldFrag.startPTS)) { + newFrag.start = newFrag.startPTS = oldFrag.startPTS; + newFrag.endPTS = oldFrag.endPTS; + newFrag.duration = oldFrag.duration; + newFrag.backtracked = oldFrag.backtracked; + newFrag.dropped = oldFrag.dropped; + PTSFrag = newFrag; } - return newArray; } - }, { - key: 'initTable', - value: function initTable() { - var sBox = this.sBox; - var invSBox = this.invSBox; - var subMix = this.subMix; - var subMix0 = subMix[0]; - var subMix1 = subMix[1]; - var subMix2 = subMix[2]; - var subMix3 = subMix[3]; - var invSubMix = this.invSubMix; - var invSubMix0 = invSubMix[0]; - var invSubMix1 = invSubMix[1]; - var invSubMix2 = invSubMix[2]; - var invSubMix3 = invSubMix[3]; - - var d = new Uint32Array(256); - var x = 0; - var xi = 0; - var i = 0; - for (i = 0; i < 256; i++) { - if (i < 128) { - d[i] = i << 1; - } else { - d[i] = i << 1 ^ 0x11b; - } - } - - for (i = 0; i < 256; i++) { - var sx = xi ^ xi << 1 ^ xi << 2 ^ xi << 3 ^ xi << 4; - sx = sx >>> 8 ^ sx & 0xff ^ 0x63; - sBox[x] = sx; - invSBox[sx] = x; - - // Compute multiplication - var x2 = d[x]; - var x4 = d[x2]; - var x8 = d[x4]; - - // Compute sub/invSub bytes, mix columns tables - var t = d[sx] * 0x101 ^ sx * 0x1010100; - subMix0[x] = t << 24 | t >>> 8; - subMix1[x] = t << 16 | t >>> 16; - subMix2[x] = t << 8 | t >>> 24; - subMix3[x] = t; - - // Compute inv sub bytes, inv mix columns tables - t = x8 * 0x1010101 ^ x4 * 0x10001 ^ x2 * 0x101 ^ x * 0x1010100; - invSubMix0[sx] = t << 24 | t >>> 8; - invSubMix1[sx] = t << 16 | t >>> 16; - invSubMix2[sx] = t << 8 | t >>> 24; - invSubMix3[sx] = t; - - // Compute next counter - if (!x) { - x = xi = 1; - } else { - x = x2 ^ d[d[d[x8 ^ x2]]]; - xi ^= d[d[xi]]; - } - } + } + + if (ccOffset) { + logger["b" /* logger */].log('discontinuity sliding from playlist, take drift into account'); + for (i = 0; i < newfragments.length; i++) { + newfragments[i].cc += ccOffset; } - }, { - key: 'expandKey', - value: function expandKey(keyBuffer) { - // convert keyBuffer to Uint32Array - var key = this.uint8ArrayToUint32Array_(keyBuffer); - var sameKey = true; - var offset = 0; - - while (offset < key.length && sameKey) { - sameKey = key[offset] === this.key[offset]; - offset++; - } + } - if (sameKey) { - return; + // if at least one fragment contains PTS info, recompute PTS information for all fragments + if (PTSFrag) { + updateFragPTSDTS(newDetails, PTSFrag, PTSFrag.startPTS, PTSFrag.endPTS, PTSFrag.startDTS, PTSFrag.endDTS); + } else { + // ensure that delta is within oldfragments range + // also adjust sliding in case delta is 0 (we could have old=[50-60] and new=old=[50-61]) + // in that case we also need to adjust start offset of all fragments + if (delta >= 0 && delta < oldfragments.length) { + // adjust start by sliding offset + var sliding = oldfragments[delta].start; + for (i = 0; i < newfragments.length; i++) { + newfragments[i].start += sliding; } + } + } + // if we are here, it means we have fragments overlapping between + // old and new level. reliable PTS info is thus relying on old level + newDetails.PTSKnown = oldDetails.PTSKnown; +} +// CONCATENATED MODULE: ./src/utils/timeRanges.js +/** + * TimeRanges to string helper + */ - this.key = key; - var keySize = this.keySize = key.length; - - if (keySize !== 4 && keySize !== 6 && keySize !== 8) { - throw new Error('Invalid aes key size=' + keySize); - } +var TimeRanges = { + toString: function toString(r) { + var log = '', + len = r.length; + for (var i = 0; i < len; i++) { + log += '[' + r.start(i).toFixed(3) + ',' + r.end(i).toFixed(3) + ']'; + } + return log; + } +}; - var ksRows = this.ksRows = (keySize + 6 + 1) * 4; - var ksRow = void 0; - var invKsRow = void 0; +/* harmony default export */ var timeRanges = (TimeRanges); +// CONCATENATED MODULE: ./src/utils/discontinuities.js - var keySchedule = this.keySchedule = new Uint32Array(ksRows); - var invKeySchedule = this.invKeySchedule = new Uint32Array(ksRows); - var sbox = this.sBox; - var rcon = this.rcon; - var invSubMix = this.invSubMix; - var invSubMix0 = invSubMix[0]; - var invSubMix1 = invSubMix[1]; - var invSubMix2 = invSubMix[2]; - var invSubMix3 = invSubMix[3]; - var prev = void 0; - var t = void 0; +function findFirstFragWithCC(fragments, cc) { + var firstFrag = null; - for (ksRow = 0; ksRow < ksRows; ksRow++) { - if (ksRow < keySize) { - prev = keySchedule[ksRow] = key[ksRow]; - continue; - } - t = prev; + for (var i = 0; i < fragments.length; i += 1) { + var currentFrag = fragments[i]; + if (currentFrag && currentFrag.cc === cc) { + firstFrag = currentFrag; + break; + } + } - if (ksRow % keySize === 0) { - // Rot word - t = t << 8 | t >>> 24; + return firstFrag; +} - // Sub word - t = sbox[t >>> 24] << 24 | sbox[t >>> 16 & 0xff] << 16 | sbox[t >>> 8 & 0xff] << 8 | sbox[t & 0xff]; +function findFragWithCC(fragments, CC) { + return binary_search.search(fragments, function (candidate) { + if (candidate.cc < CC) { + return 1; + } else if (candidate.cc > CC) { + return -1; + } else { + return 0; + } + }); +} - // Mix Rcon - t ^= rcon[ksRow / keySize | 0] << 24; - } else if (keySize > 6 && ksRow % keySize === 4) { - // Sub word - t = sbox[t >>> 24] << 24 | sbox[t >>> 16 & 0xff] << 16 | sbox[t >>> 8 & 0xff] << 8 | sbox[t & 0xff]; - } +function shouldAlignOnDiscontinuities(lastFrag, lastLevel, details) { + var shouldAlign = false; + if (lastLevel && lastLevel.details && details) { + if (details.endCC > details.startCC || lastFrag && lastFrag.cc < details.startCC) { + shouldAlign = true; + } + } + return shouldAlign; +} - keySchedule[ksRow] = prev = (keySchedule[ksRow - keySize] ^ t) >>> 0; - } +// Find the first frag in the previous level which matches the CC of the first frag of the new level +function findDiscontinuousReferenceFrag(prevDetails, curDetails) { + var prevFrags = prevDetails.fragments; + var curFrags = curDetails.fragments; - for (invKsRow = 0; invKsRow < ksRows; invKsRow++) { - ksRow = ksRows - invKsRow; - if (invKsRow & 3) { - t = keySchedule[ksRow]; - } else { - t = keySchedule[ksRow - 4]; - } + if (!curFrags.length || !prevFrags.length) { + logger["b" /* logger */].log('No fragments to align'); + return; + } - if (invKsRow < 4 || ksRow <= 4) { - invKeySchedule[invKsRow] = t; - } else { - invKeySchedule[invKsRow] = invSubMix0[sbox[t >>> 24]] ^ invSubMix1[sbox[t >>> 16 & 0xff]] ^ invSubMix2[sbox[t >>> 8 & 0xff]] ^ invSubMix3[sbox[t & 0xff]]; - } + var prevStartFrag = findFirstFragWithCC(prevFrags, curFrags[0].cc); - invKeySchedule[invKsRow] = invKeySchedule[invKsRow] >>> 0; - } - } + if (!prevStartFrag || prevStartFrag && !prevStartFrag.startPTS) { + logger["b" /* logger */].log('No frag in previous level to align on'); + return; + } - // Adding this as a method greatly improves performance. + return prevStartFrag; +} - }, { - key: 'networkToHostOrderSwap', - value: function networkToHostOrderSwap(word) { - return word << 24 | (word & 0xff00) << 8 | (word & 0xff0000) >> 8 | word >>> 24; - } - }, { - key: 'decrypt', - value: function decrypt(inputArrayBuffer, offset, aesIV) { - var nRounds = this.keySize + 6; - var invKeySchedule = this.invKeySchedule; - var invSBOX = this.invSBox; - - var invSubMix = this.invSubMix; - var invSubMix0 = invSubMix[0]; - var invSubMix1 = invSubMix[1]; - var invSubMix2 = invSubMix[2]; - var invSubMix3 = invSubMix[3]; - - var initVector = this.uint8ArrayToUint32Array_(aesIV); - var initVector0 = initVector[0]; - var initVector1 = initVector[1]; - var initVector2 = initVector[2]; - var initVector3 = initVector[3]; - - var inputInt32 = new Int32Array(inputArrayBuffer); - var outputInt32 = new Int32Array(inputInt32.length); - - var t0 = void 0, - t1 = void 0, - t2 = void 0, - t3 = void 0; - var s0 = void 0, - s1 = void 0, - s2 = void 0, - s3 = void 0; - var inputWords0 = void 0, - inputWords1 = void 0, - inputWords2 = void 0, - inputWords3 = void 0; - - var ksRow, i; - var swapWord = this.networkToHostOrderSwap; - - while (offset < inputInt32.length) { - inputWords0 = swapWord(inputInt32[offset]); - inputWords1 = swapWord(inputInt32[offset + 1]); - inputWords2 = swapWord(inputInt32[offset + 2]); - inputWords3 = swapWord(inputInt32[offset + 3]); - - s0 = inputWords0 ^ invKeySchedule[0]; - s1 = inputWords3 ^ invKeySchedule[1]; - s2 = inputWords2 ^ invKeySchedule[2]; - s3 = inputWords1 ^ invKeySchedule[3]; - - ksRow = 4; - - // Iterate through the rounds of decryption - for (i = 1; i < nRounds; i++) { - t0 = invSubMix0[s0 >>> 24] ^ invSubMix1[s1 >> 16 & 0xff] ^ invSubMix2[s2 >> 8 & 0xff] ^ invSubMix3[s3 & 0xff] ^ invKeySchedule[ksRow]; - t1 = invSubMix0[s1 >>> 24] ^ invSubMix1[s2 >> 16 & 0xff] ^ invSubMix2[s3 >> 8 & 0xff] ^ invSubMix3[s0 & 0xff] ^ invKeySchedule[ksRow + 1]; - t2 = invSubMix0[s2 >>> 24] ^ invSubMix1[s3 >> 16 & 0xff] ^ invSubMix2[s0 >> 8 & 0xff] ^ invSubMix3[s1 & 0xff] ^ invKeySchedule[ksRow + 2]; - t3 = invSubMix0[s3 >>> 24] ^ invSubMix1[s0 >> 16 & 0xff] ^ invSubMix2[s1 >> 8 & 0xff] ^ invSubMix3[s2 & 0xff] ^ invKeySchedule[ksRow + 3]; - // Update state - s0 = t0; - s1 = t1; - s2 = t2; - s3 = t3; - - ksRow = ksRow + 4; - } - - // Shift rows, sub bytes, add round key - t0 = invSBOX[s0 >>> 24] << 24 ^ invSBOX[s1 >> 16 & 0xff] << 16 ^ invSBOX[s2 >> 8 & 0xff] << 8 ^ invSBOX[s3 & 0xff] ^ invKeySchedule[ksRow]; - t1 = invSBOX[s1 >>> 24] << 24 ^ invSBOX[s2 >> 16 & 0xff] << 16 ^ invSBOX[s3 >> 8 & 0xff] << 8 ^ invSBOX[s0 & 0xff] ^ invKeySchedule[ksRow + 1]; - t2 = invSBOX[s2 >>> 24] << 24 ^ invSBOX[s3 >> 16 & 0xff] << 16 ^ invSBOX[s0 >> 8 & 0xff] << 8 ^ invSBOX[s1 & 0xff] ^ invKeySchedule[ksRow + 2]; - t3 = invSBOX[s3 >>> 24] << 24 ^ invSBOX[s0 >> 16 & 0xff] << 16 ^ invSBOX[s1 >> 8 & 0xff] << 8 ^ invSBOX[s2 & 0xff] ^ invKeySchedule[ksRow + 3]; - ksRow = ksRow + 3; - - // Write - outputInt32[offset] = swapWord(t0 ^ initVector0); - outputInt32[offset + 1] = swapWord(t3 ^ initVector1); - outputInt32[offset + 2] = swapWord(t2 ^ initVector2); - outputInt32[offset + 3] = swapWord(t1 ^ initVector3); - - // reset initVector to last 4 unsigned int - initVector0 = inputWords0; - initVector1 = inputWords1; - initVector2 = inputWords2; - initVector3 = inputWords3; - - offset = offset + 4; - } - - return outputInt32.buffer; +function adjustPts(sliding, details) { + details.fragments.forEach(function (frag) { + if (frag) { + var start = frag.start + sliding; + frag.start = frag.startPTS = start; + frag.endPTS = start + frag.duration; } - }, { - key: 'destroy', - value: function destroy() { - this.key = undefined; - this.keySize = undefined; - this.ksRows = undefined; - - this.sBox = undefined; - this.invSBox = undefined; - this.subMix = undefined; - this.invSubMix = undefined; - this.keySchedule = undefined; - this.invKeySchedule = undefined; + }); + details.PTSKnown = true; +} - this.rcon = undefined; +// If a change in CC is detected, the PTS can no longer be relied upon +// Attempt to align the level by using the last level - find the last frag matching the current CC and use it's PTS +// as a reference +function alignDiscontinuities(lastFrag, lastLevel, details) { + if (shouldAlignOnDiscontinuities(lastFrag, lastLevel, details)) { + var referenceFrag = findDiscontinuousReferenceFrag(lastLevel.details, details); + if (referenceFrag) { + logger["b" /* logger */].log('Adjusting PTS using last level due to CC increase within current level'); + adjustPts(referenceFrag.start, details); + } + } + // try to align using programDateTime attribute (if available) + if (details.PTSKnown === false && lastLevel && lastLevel.details) { + // if last level sliding is 1000 and its first frag PROGRAM-DATE-TIME is 2017-08-20 1:10:00 AM + // and if new details first frag PROGRAM DATE-TIME is 2017-08-20 1:10:08 AM + // then we can deduce that playlist B sliding is 1000+8 = 1008s + var lastPDT = lastLevel.details.programDateTime; + var newPDT = details.programDateTime; + // date diff is in ms. frag.start is in seconds + var sliding = (newPDT - lastPDT) / 1000 + lastLevel.details.fragments[0].start; + if (!isNaN(sliding)) { + logger["b" /* logger */].log('adjusting PTS using programDateTime delta, sliding:' + sliding.toFixed(3)); + adjustPts(sliding, details); } - }]); + } +} +// CONCATENATED MODULE: ./src/controller/stream-controller.js +var stream_controller__createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); - return AESDecryptor; -}(); +function stream_controller__classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } -exports.default = AESDecryptor; +function stream_controller__possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; } -},{}],19:[function(_dereq_,module,exports){ -'use strict'; +function stream_controller__inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } -Object.defineProperty(exports, "__esModule", { - value: true -}); +/* + * Stream Controller +*/ -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); -var _aesCrypto = _dereq_(17); -var _aesCrypto2 = _interopRequireDefault(_aesCrypto); -var _fastAesKey = _dereq_(20); -var _fastAesKey2 = _interopRequireDefault(_fastAesKey); -var _aesDecryptor = _dereq_(18); -var _aesDecryptor2 = _interopRequireDefault(_aesDecryptor); -var _errors = _dereq_(33); -var _logger = _dereq_(53); -function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } +var State = { + STOPPED: 'STOPPED', + IDLE: 'IDLE', + KEY_LOADING: 'KEY_LOADING', + FRAG_LOADING: 'FRAG_LOADING', + FRAG_LOADING_WAITING_RETRY: 'FRAG_LOADING_WAITING_RETRY', + WAITING_LEVEL: 'WAITING_LEVEL', + PARSING: 'PARSING', + PARSED: 'PARSED', + BUFFER_FLUSHING: 'BUFFER_FLUSHING', + ENDED: 'ENDED', + ERROR: 'ERROR' +}; -/*globals self: false */ +var stream_controller_StreamController = function (_EventHandler) { + stream_controller__inherits(StreamController, _EventHandler); -var Decrypter = function () { - function Decrypter(observer, config) { - _classCallCheck(this, Decrypter); + function StreamController(hls) { + stream_controller__classCallCheck(this, StreamController); - this.observer = observer; - this.config = config; - this.logEnabled = true; - try { - var browserCrypto = crypto ? crypto : self.crypto; - this.subtle = browserCrypto.subtle || browserCrypto.webkitSubtle; - } catch (e) {} - this.disableWebCrypto = !this.subtle; + var _this = stream_controller__possibleConstructorReturn(this, _EventHandler.call(this, hls, events["a" /* default */].MEDIA_ATTACHED, events["a" /* default */].MEDIA_DETACHING, events["a" /* default */].MANIFEST_LOADING, events["a" /* default */].MANIFEST_PARSED, events["a" /* default */].LEVEL_LOADED, events["a" /* default */].KEY_LOADED, events["a" /* default */].FRAG_LOADED, events["a" /* default */].FRAG_LOAD_EMERGENCY_ABORTED, events["a" /* default */].FRAG_PARSING_INIT_SEGMENT, events["a" /* default */].FRAG_PARSING_DATA, events["a" /* default */].FRAG_PARSED, events["a" /* default */].ERROR, events["a" /* default */].AUDIO_TRACK_SWITCHING, events["a" /* default */].AUDIO_TRACK_SWITCHED, events["a" /* default */].BUFFER_CREATED, events["a" /* default */].BUFFER_APPENDED, events["a" /* default */].BUFFER_FLUSHED)); + + _this.config = hls.config; + _this.audioCodecSwap = false; + _this.ticks = 0; + _this._state = State.STOPPED; + _this.ontick = _this.tick.bind(_this); + return _this; } - _createClass(Decrypter, [{ - key: 'isSync', - value: function isSync() { - return this.disableWebCrypto && this.config.enableSoftwareAES; + StreamController.prototype.destroy = function destroy() { + this.stopLoad(); + if (this.timer) { + clearInterval(this.timer); + this.timer = null; } - }, { - key: 'decrypt', - value: function decrypt(data, key, iv, callback) { - var _this = this; + event_handler.prototype.destroy.call(this); + this.state = State.STOPPED; + }; - if (this.disableWebCrypto && this.config.enableSoftwareAES) { - if (this.logEnabled) { - _logger.logger.log('JS AES decrypt'); - this.logEnabled = false; - } - var decryptor = this.decryptor; - if (!decryptor) { - this.decryptor = decryptor = new _aesDecryptor2.default(); - } - decryptor.expandKey(key); - callback(decryptor.decrypt(data, 0, iv)); - } else { - if (this.logEnabled) { - _logger.logger.log('WebCrypto AES decrypt'); - this.logEnabled = false; - } - var subtle = this.subtle; - if (this.key !== key) { - this.key = key; - this.fastAesKey = new _fastAesKey2.default(subtle, key); - } - - this.fastAesKey.expandKey().then(function (aesKey) { - // decrypt using web crypto - var crypto = new _aesCrypto2.default(subtle, iv); - crypto.decrypt(data, aesKey).catch(function (err) { - _this.onWebCryptoError(err, data, key, iv, callback); - }).then(function (result) { - callback(result); - }); - }).catch(function (err) { - _this.onWebCryptoError(err, data, key, iv, callback); - }); + StreamController.prototype.startLoad = function startLoad(startPosition) { + if (this.levels) { + var lastCurrentTime = this.lastCurrentTime, + hls = this.hls; + this.stopLoad(); + if (!this.timer) { + this.timer = setInterval(this.ontick, 100); + } + this.level = -1; + this.fragLoadError = 0; + if (!this.startFragRequested) { + // determine load level + var startLevel = hls.startLevel; + if (startLevel === -1) { + // -1 : guess start Level by doing a bitrate test by loading first fragment of lowest quality level + startLevel = 0; + this.bitrateTest = true; + } + // set new level to playlist loader : this will trigger start level load + // hls.nextLoadLevel remains until it is set to a new value or until a new frag is successfully loaded + this.level = hls.nextLoadLevel = startLevel; + this.loadedmetadata = false; + } + // if startPosition undefined but lastCurrentTime set, set startPosition to last currentTime + if (lastCurrentTime > 0 && startPosition === -1) { + logger["b" /* logger */].log('override startPosition with lastCurrentTime @' + lastCurrentTime.toFixed(3)); + startPosition = lastCurrentTime; } + this.state = State.IDLE; + this.nextLoadPosition = this.startPosition = this.lastCurrentTime = startPosition; + this.tick(); + } else { + this.forceStartLoad = true; + this.state = State.STOPPED; } - }, { - key: 'onWebCryptoError', - value: function onWebCryptoError(err, data, key, iv, callback) { - if (this.config.enableSoftwareAES) { - _logger.logger.log('WebCrypto Error, disable WebCrypto API'); - this.disableWebCrypto = true; - this.logEnabled = true; - this.decrypt(data, key, iv, callback); - } else { - _logger.logger.error('decrypting error : ' + err.message); - this.observer.trigger(Event.ERROR, { type: _errors.ErrorTypes.MEDIA_ERROR, details: _errors.ErrorDetails.FRAG_DECRYPT_ERROR, fatal: true, reason: err.message }); + }; + + StreamController.prototype.stopLoad = function stopLoad() { + var frag = this.fragCurrent; + if (frag) { + if (frag.loader) { + frag.loader.abort(); } + this.fragCurrent = null; } - }, { - key: 'destroy', - value: function destroy() { - var decryptor = this.decryptor; - if (decryptor) { - decryptor.destroy(); - this.decryptor = undefined; + this.fragPrevious = null; + if (this.demuxer) { + this.demuxer.destroy(); + this.demuxer = null; + } + this.state = State.STOPPED; + this.forceStartLoad = false; + }; + + StreamController.prototype.tick = function tick() { + this.ticks++; + if (this.ticks === 1) { + this.doTick(); + if (this.ticks > 1) { + setTimeout(this.tick, 1); } + this.ticks = 0; } - }]); + }; - return Decrypter; -}(); + StreamController.prototype.doTick = function doTick() { + switch (this.state) { + case State.ERROR: + //don't do anything in error state to avoid breaking further ... + break; + case State.BUFFER_FLUSHING: + // in buffer flushing state, reset fragLoadError counter + this.fragLoadError = 0; + break; + case State.IDLE: + this._doTickIdle(); + break; + case State.WAITING_LEVEL: + var level = this.levels[this.level]; + // check if playlist is already loaded + if (level && level.details) { + this.state = State.IDLE; + } + break; + case State.FRAG_LOADING_WAITING_RETRY: + var now = performance.now(); + var retryDate = this.retryDate; + // if current time is gt than retryDate, or if media seeking let's switch to IDLE state to retry loading + if (!retryDate || now >= retryDate || this.media && this.media.seeking) { + logger["b" /* logger */].log('mediaController: retryDate reached, switch back to IDLE state'); + this.state = State.IDLE; + } + break; + case State.ERROR: + case State.STOPPED: + case State.FRAG_LOADING: + case State.PARSING: + case State.PARSED: + case State.ENDED: + break; + default: + break; + } + // check buffer + this._checkBuffer(); + // check/update current fragment + this._checkFragmentChanged(); + }; -exports.default = Decrypter; + // Ironically the "idle" state is the on we do the most logic in it seems .... + // NOTE: Maybe we could rather schedule a check for buffer length after half of the currently + // played segment, or on pause/play/seek instead of naively checking every 100ms? -},{"17":17,"18":18,"20":20,"33":33,"53":53}],20:[function(_dereq_,module,exports){ -'use strict'; -Object.defineProperty(exports, "__esModule", { - value: true -}); + StreamController.prototype._doTickIdle = function _doTickIdle() { + var hls = this.hls, + config = hls.config, + media = this.media; -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); + // if start level not parsed yet OR + // if video not attached AND start fragment already requested OR start frag prefetch disable + // exit loop, as we either need more info (level not parsed) or we need media to be attached to load new fragment + if (this.levelLastLoaded === undefined || !media && (this.startFragRequested || !config.startFragPrefetch)) { + return; + } -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + // if we have not yet loaded any fragment, start loading from start position + var pos = void 0; + if (this.loadedmetadata) { + pos = media.currentTime; + } else { + pos = this.nextLoadPosition; + } + // determine next load level + var level = hls.nextLoadLevel, + levelInfo = this.levels[level]; -var FastAESKey = function () { - function FastAESKey(subtle, key) { - _classCallCheck(this, FastAESKey); + if (!levelInfo) { + return; + } - this.subtle = subtle; - this.key = key; - } + var levelBitrate = levelInfo.bitrate, + maxBufLen = void 0; + + // compute max Buffer Length that we could get from this load level, based on level bitrate. don't buffer more than 60 MB and more than 30s + if (levelBitrate) { + maxBufLen = Math.max(8 * config.maxBufferSize / levelBitrate, config.maxBufferLength); + } else { + maxBufLen = config.maxBufferLength; + } + maxBufLen = Math.min(maxBufLen, config.maxMaxBufferLength); + + // determine next candidate fragment to be loaded, based on current position and end of buffer position + // ensure up to `config.maxMaxBufferLength` of buffer upfront - _createClass(FastAESKey, [{ - key: 'expandKey', - value: function expandKey() { - return this.subtle.importKey('raw', this.key, { name: 'AES-CBC' }, false, ['encrypt', 'decrypt']); + var bufferInfo = buffer_helper.bufferInfo(this.mediaBuffer ? this.mediaBuffer : media, pos, config.maxBufferHole), + bufferLen = bufferInfo.len; + // Stay idle if we are still with buffer margins + if (bufferLen >= maxBufLen) { + return; } - }]); - - return FastAESKey; -}(); -exports.default = FastAESKey; + // if buffer length is less than maxBufLen try to load a new fragment ... + logger["b" /* logger */].trace('buffer length of ' + bufferLen.toFixed(3) + ' is below max of ' + maxBufLen.toFixed(3) + '. checking for more payload ...'); -},{}],21:[function(_dereq_,module,exports){ -'use strict'; + // set next load level : this will trigger a playlist load if needed + this.level = hls.nextLoadLevel = level; -Object.defineProperty(exports, "__esModule", { - value: true -}); + var levelDetails = levelInfo.details; + // if level info not retrieved yet, switch state and wait for level retrieval + // if live playlist, ensure that new playlist has been refreshed to avoid loading/try to load + // a useless and outdated fragment (that might even introduce load error if it is already out of the live playlist) + if (typeof levelDetails === 'undefined' || levelDetails.live && this.levelLastLoaded !== level) { + this.state = State.WAITING_LEVEL; + return; + } -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); /** - * AAC demuxer - */ + // we just got done loading the final fragment and there is no other buffered range after ... + // rationale is that in case there are any buffered ranges after, it means that there are unbuffered portion in between + // so we should not switch to ENDED in that case, to be able to buffer them + // dont switch to ENDED if we need to backtrack last fragment + var fragPrevious = this.fragPrevious; + if (!levelDetails.live && fragPrevious && !fragPrevious.backtracked && fragPrevious.sn === levelDetails.endSN && !bufferInfo.nextStart) { + // fragPrevious is last fragment. retrieve level duration using last frag start offset + duration + // real duration might be lower than initial duration if there are drifts between real frag duration and playlist signaling + var duration = Math.min(media.duration, fragPrevious.start + fragPrevious.duration); + // if everything (almost) til the end is buffered, let's signal eos + // we don't compare exactly media.duration === bufferInfo.end as there could be some subtle media duration difference (audio/video offsets...) + // tolerate up to one frag duration to cope with these cases. + // also cope with almost zero last frag duration (max last frag duration with 200ms) refer to https://github.com/video-dev/hls.js/pull/657 + if (duration - Math.max(bufferInfo.end, fragPrevious.start) <= Math.max(0.2, fragPrevious.duration)) { + // Finalize the media stream + var data = {}; + if (this.altAudio) { + data.type = 'video'; + } + this.hls.trigger(events["a" /* default */].BUFFER_EOS, data); + this.state = State.ENDED; + return; + } + } + // if we have the levelDetails for the selected variant, lets continue enrichen our stream (load keys/fragments or trigger EOS, etc..) + this._fetchPayloadOrEos(pos, bufferInfo, levelDetails); + }; -var _adts = _dereq_(22); + StreamController.prototype._fetchPayloadOrEos = function _fetchPayloadOrEos(pos, bufferInfo, levelDetails) { + var fragPrevious = this.fragPrevious, + level = this.level, + fragments = levelDetails.fragments, + fragLen = fragments.length; -var _adts2 = _interopRequireDefault(_adts); + // empty playlist + if (fragLen === 0) { + return; + } -var _logger = _dereq_(53); + // find fragment index, contiguous with end of buffer position + var start = fragments[0].start, + end = fragments[fragLen - 1].start + fragments[fragLen - 1].duration, + bufferEnd = bufferInfo.end, + frag = void 0; -var _id = _dereq_(27); + if (levelDetails.initSegment && !levelDetails.initSegment.data) { + frag = levelDetails.initSegment; + } else { + // in case of live playlist we need to ensure that requested position is not located before playlist start + if (levelDetails.live) { + var initialLiveManifestSize = this.config.initialLiveManifestSize; + if (fragLen < initialLiveManifestSize) { + logger["b" /* logger */].warn('Can not start playback of a level, reason: not enough fragments ' + fragLen + ' < ' + initialLiveManifestSize); + return; + } -var _id2 = _interopRequireDefault(_id); + frag = this._ensureFragmentAtLivePoint(levelDetails, bufferEnd, start, end, fragPrevious, fragments, fragLen); + // if it explicitely returns null don't load any fragment and exit function now + if (frag === null) { + return; + } + } else { + // VoD playlist: if bufferEnd before start of playlist, load first fragment + if (bufferEnd < start) { + frag = fragments[0]; + } + } + } + if (!frag) { + frag = this._findFragment(start, fragPrevious, fragLen, fragments, bufferEnd, end, levelDetails); + } + if (frag) { + this._loadFragmentOrKey(frag, level, levelDetails, pos, bufferEnd); + } + return; + }; -function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + StreamController.prototype._ensureFragmentAtLivePoint = function _ensureFragmentAtLivePoint(levelDetails, bufferEnd, start, end, fragPrevious, fragments, fragLen) { + var config = this.hls.config, + media = this.media; -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + var frag = void 0; -var AACDemuxer = function () { - function AACDemuxer(observer, remuxer, config) { - _classCallCheck(this, AACDemuxer); + // check if requested position is within seekable boundaries : + //logger.log(`start/pos/bufEnd/seeking:${start.toFixed(3)}/${pos.toFixed(3)}/${bufferEnd.toFixed(3)}/${this.media.seeking}`); + var maxLatency = config.liveMaxLatencyDuration !== undefined ? config.liveMaxLatencyDuration : config.liveMaxLatencyDurationCount * levelDetails.targetduration; - this.observer = observer; - this.config = config; - this.remuxer = remuxer; - } + if (bufferEnd < Math.max(start - config.maxFragLookUpTolerance, end - maxLatency)) { + var liveSyncPosition = this.liveSyncPosition = this.computeLivePosition(start, levelDetails); + logger["b" /* logger */].log('buffer end: ' + bufferEnd.toFixed(3) + ' is located too far from the end of live sliding playlist, reset currentTime to : ' + liveSyncPosition.toFixed(3)); + bufferEnd = liveSyncPosition; + if (media && media.readyState && media.duration > liveSyncPosition) { + media.currentTime = liveSyncPosition; + } + this.nextLoadPosition = liveSyncPosition; + } - _createClass(AACDemuxer, [{ - key: 'resetInitSegment', - value: function resetInitSegment(initSegment, audioCodec, videoCodec, duration) { - this._audioTrack = { container: 'audio/adts', type: 'audio', id: -1, sequenceNumber: 0, isAAC: true, samples: [], len: 0, manifestCodec: audioCodec, duration: duration, inputTimeScale: 90000 }; + // if end of buffer greater than live edge, don't load any fragment + // this could happen if live playlist intermittently slides in the past. + // level 1 loaded [182580161,182580167] + // level 1 loaded [182580162,182580169] + // Loading 182580168 of [182580162 ,182580169],level 1 .. + // Loading 182580169 of [182580162 ,182580169],level 1 .. + // level 1 loaded [182580162,182580168] <============= here we should have bufferEnd > end. in that case break to avoid reloading 182580168 + // level 1 loaded [182580164,182580171] + // + // don't return null in case media not loaded yet (readystate === 0) + if (levelDetails.PTSKnown && bufferEnd > end && media && media.readyState) { + return null; } - }, { - key: 'resetTimeStamp', - value: function resetTimeStamp() {} - }, { - key: 'append', - - - // feed incoming data to the front of the parsing pipeline - value: function append(data, timeOffset, contiguous, accurateTimeOffset) { - var track, - id3 = new _id2.default(data), - pts = 90 * id3.timeStamp, - config, - frameLength, - frameDuration, - frameIndex, - offset, - headerLength, - stamp, - length, - aacSample; - - track = this._audioTrack; - - // Look for ADTS header - for (offset = id3.length, length = data.length; offset < length - 1; offset++) { - if (data[offset] === 0xff && (data[offset + 1] & 0xf6) === 0xf0) { - break; + + if (this.startFragRequested && !levelDetails.PTSKnown) { + /* we are switching level on live playlist, but we don't have any PTS info for that quality level ... + try to load frag matching with next SN. + even if SN are not synchronized between playlists, loading this frag will help us + compute playlist sliding and find the right one after in case it was not the right consecutive one */ + if (fragPrevious) { + var targetSN = fragPrevious.sn + 1; + if (targetSN >= levelDetails.startSN && targetSN <= levelDetails.endSN) { + var fragNext = fragments[targetSN - levelDetails.startSN]; + if (fragPrevious.cc === fragNext.cc) { + frag = fragNext; + logger["b" /* logger */].log('live playlist, switching playlist, load frag with next SN: ' + frag.sn); + } + } + // next frag SN not available (or not with same continuity counter) + // look for a frag sharing the same CC + if (!frag) { + frag = binary_search.search(fragments, function (frag) { + return fragPrevious.cc - frag.cc; + }); + if (frag) { + logger["b" /* logger */].log('live playlist, switching playlist, load frag with same CC: ' + frag.sn); + } } } + if (!frag) { + /* we have no idea about which fragment should be loaded. + so let's load mid fragment. it will help computing playlist sliding and find the right one + */ + frag = fragments[Math.min(fragLen - 1, Math.round(fragLen / 2))]; + logger["b" /* logger */].log('live playlist, switching playlist, unknown, load middle frag : ' + frag.sn); + } + } + return frag; + }; + + StreamController.prototype._findFragment = function _findFragment(start, fragPrevious, fragLen, fragments, bufferEnd, end, levelDetails) { + var config = this.hls.config; + var frag = void 0; + var foundFrag = void 0; + var maxFragLookUpTolerance = config.maxFragLookUpTolerance; + var fragNext = fragPrevious ? fragments[fragPrevious.sn - fragments[0].sn + 1] : undefined; + var fragmentWithinToleranceTest = function fragmentWithinToleranceTest(candidate) { + // offset should be within fragment boundary - config.maxFragLookUpTolerance + // this is to cope with situations like + // bufferEnd = 9.991 + // frag[Ø] : [0,10] + // frag[1] : [10,20] + // bufferEnd is within frag[0] range ... although what we are expecting is to return frag[1] here + // frag start frag start+duration + // |-----------------------------| + // <---> <---> + // ...--------><-----------------------------><---------.... + // previous frag matching fragment next frag + // return -1 return 0 return 1 + //logger.log(`level/sn/start/end/bufEnd:${level}/${candidate.sn}/${candidate.start}/${(candidate.start+candidate.duration)}/${bufferEnd}`); + // Set the lookup tolerance to be small enough to detect the current segment - ensures we don't skip over very small segments + var candidateLookupTolerance = Math.min(maxFragLookUpTolerance, candidate.duration + (candidate.deltaPTS ? candidate.deltaPTS : 0)); + if (candidate.start + candidate.duration - candidateLookupTolerance <= bufferEnd) { + return 1; + } // if maxFragLookUpTolerance will have negative value then don't return -1 for first element + else if (candidate.start - candidateLookupTolerance > bufferEnd && candidate.start) { + return -1; + } + return 0; + }; - if (!track.samplerate) { - config = _adts2.default.getAudioConfig(this.observer, data, offset, track.manifestCodec); - track.config = config.config; - track.samplerate = config.samplerate; - track.channelCount = config.channelCount; - track.codec = config.codec; - _logger.logger.log('parsed codec:' + track.codec + ',rate:' + config.samplerate + ',nb channel:' + config.channelCount); - } - frameIndex = 0; - frameDuration = 1024 * 90000 / track.samplerate; - while (offset + 5 < length) { - // The protection skip bit tells us if we have 2 bytes of CRC data at the end of the ADTS header - headerLength = !!(data[offset + 1] & 0x01) ? 7 : 9; - // retrieve frame size - frameLength = (data[offset + 3] & 0x03) << 11 | data[offset + 4] << 3 | (data[offset + 5] & 0xE0) >>> 5; - frameLength -= headerLength; - //stamp = pes.pts; - - if (frameLength > 0 && offset + headerLength + frameLength <= length) { - stamp = pts + frameIndex * frameDuration; - //logger.log(`AAC frame, offset/length/total/pts:${offset+headerLength}/${frameLength}/${data.byteLength}/${(stamp/90).toFixed(0)}`); - aacSample = { unit: data.subarray(offset + headerLength, offset + headerLength + frameLength), pts: stamp, dts: stamp }; - track.samples.push(aacSample); - track.len += frameLength; - offset += frameLength + headerLength; - frameIndex++; - // look for ADTS header (0xFFFx) - for (; offset < length - 1; offset++) { - if (data[offset] === 0xff && (data[offset + 1] & 0xf6) === 0xf0) { - break; + if (bufferEnd < end) { + if (bufferEnd > end - maxFragLookUpTolerance) { + maxFragLookUpTolerance = 0; + } + // Prefer the next fragment if it's within tolerance + if (fragNext && !fragmentWithinToleranceTest(fragNext)) { + foundFrag = fragNext; + } else { + foundFrag = binary_search.search(fragments, fragmentWithinToleranceTest); + } + } else { + // reach end of playlist + foundFrag = fragments[fragLen - 1]; + } + if (foundFrag) { + frag = foundFrag; + var curSNIdx = frag.sn - levelDetails.startSN; + var sameLevel = fragPrevious && frag.level === fragPrevious.level; + var prevFrag = fragments[curSNIdx - 1]; + var nextFrag = fragments[curSNIdx + 1]; + //logger.log('find SN matching with pos:' + bufferEnd + ':' + frag.sn); + if (fragPrevious && frag.sn === fragPrevious.sn) { + if (sameLevel && !frag.backtracked) { + if (frag.sn < levelDetails.endSN) { + var deltaPTS = fragPrevious.deltaPTS; + // if there is a significant delta between audio and video, larger than max allowed hole, + // and if previous remuxed fragment did not start with a keyframe. (fragPrevious.dropped) + // let's try to load previous fragment again to get last keyframe + // then we will reload again current fragment (that way we should be able to fill the buffer hole ...) + if (deltaPTS && deltaPTS > config.maxBufferHole && fragPrevious.dropped && curSNIdx) { + frag = prevFrag; + logger["b" /* logger */].warn('SN just loaded, with large PTS gap between audio and video, maybe frag is not starting with a keyframe ? load previous one to try to overcome this'); + // decrement previous frag load counter to avoid frag loop loading error when next fragment will get reloaded + fragPrevious.loadCounter--; + } else { + frag = nextFrag; + logger["b" /* logger */].log('SN just loaded, load next one: ' + frag.sn); } + } else { + frag = null; } - } else { - break; - } - } - this.remuxer.remux(track, { samples: [] }, { samples: [{ pts: pts, dts: pts, data: id3.payload }], inputTimeScale: 90000 }, { samples: [] }, timeOffset, contiguous, accurateTimeOffset); - } - }, { - key: 'destroy', - value: function destroy() {} - }], [{ - key: 'probe', - value: function probe(data) { - // check if data contains ID3 timestamp and ADTS sync word - var id3 = new _id2.default(data), - offset, - length; - if (id3.hasTimeStamp) { - // Look for ADTS header | 1111 1111 | 1111 X00X | where X can be either 0 or 1 - // Layer bits (position 14 and 15) in header should be always 0 for ADTS - // More info https://wiki.multimedia.cx/index.php?title=ADTS - for (offset = id3.length, length = Math.min(data.length - 1, offset + 100); offset < length; offset++) { - if (data[offset] === 0xff && (data[offset + 1] & 0xf6) === 0xf0) { - //logger.log('ADTS sync word found !'); - return true; + } else if (frag.backtracked) { + // Only backtrack a max of 1 consecutive fragment to prevent sliding back too far when little or no frags start with keyframes + if (nextFrag && nextFrag.backtracked) { + logger["b" /* logger */].warn('Already backtracked from fragment ' + nextFrag.sn + ', will not backtrack to fragment ' + frag.sn + '. Loading fragment ' + nextFrag.sn); + frag = nextFrag; + } else { + // If a fragment has dropped frames and it's in a same level/sequence, load the previous fragment to try and find the keyframe + // Reset the dropped count now since it won't be reset until we parse the fragment again, which prevents infinite backtracking on the same segment + logger["b" /* logger */].warn('Loaded fragment with dropped frames, backtracking 1 segment to find a keyframe'); + frag.dropped = 0; + if (prevFrag) { + if (prevFrag.loadCounter) { + prevFrag.loadCounter--; + } + frag = prevFrag; + frag.backtracked = true; + } else if (curSNIdx) { + // can't backtrack on very first fragment + frag = null; + } } } } - return false; } - }]); - - return AACDemuxer; -}(); - -exports.default = AACDemuxer; - -},{"22":22,"27":27,"53":53}],22:[function(_dereq_,module,exports){ -'use strict'; - -var _logger = _dereq_(53); + return frag; + }; -var _errors = _dereq_(33); + StreamController.prototype._loadFragmentOrKey = function _loadFragmentOrKey(frag, level, levelDetails, pos, bufferEnd) { + var hls = this.hls, + config = hls.config; -/** - * ADTS parser helper - */ -var ADTS = { - getAudioConfig: function getAudioConfig(observer, data, offset, audioCodec) { - var adtsObjectType, - // :int - adtsSampleingIndex, - // :int - adtsExtensionSampleingIndex, - // :int - adtsChanelConfig, - // :int - config, - userAgent = navigator.userAgent.toLowerCase(), - manifestCodec = audioCodec, - adtsSampleingRates = [96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000, 7350]; - // byte 2 - adtsObjectType = ((data[offset + 2] & 0xC0) >>> 6) + 1; - adtsSampleingIndex = (data[offset + 2] & 0x3C) >>> 2; - if (adtsSampleingIndex > adtsSampleingRates.length - 1) { - observer.trigger(Event.ERROR, { type: _errors.ErrorTypes.MEDIA_ERROR, details: _errors.ErrorDetails.FRAG_PARSING_ERROR, fatal: true, reason: 'invalid ADTS sampling index:' + adtsSampleingIndex }); - return; - } - adtsChanelConfig = (data[offset + 2] & 0x01) << 2; - // byte 3 - adtsChanelConfig |= (data[offset + 3] & 0xC0) >>> 6; - _logger.logger.log('manifest codec:' + audioCodec + ',ADTS data:type:' + adtsObjectType + ',sampleingIndex:' + adtsSampleingIndex + '[' + adtsSampleingRates[adtsSampleingIndex] + 'Hz],channelConfig:' + adtsChanelConfig); - // firefox: freq less than 24kHz = AAC SBR (HE-AAC) - if (/firefox/i.test(userAgent)) { - if (adtsSampleingIndex >= 6) { - adtsObjectType = 5; - config = new Array(4); - // HE-AAC uses SBR (Spectral Band Replication) , high frequencies are constructed from low frequencies - // there is a factor 2 between frame sample rate and output sample rate - // multiply frequency by 2 (see table below, equivalent to substract 3) - adtsExtensionSampleingIndex = adtsSampleingIndex - 3; - } else { - adtsObjectType = 2; - config = new Array(2); - adtsExtensionSampleingIndex = adtsSampleingIndex; - } - // Android : always use AAC - } else if (userAgent.indexOf('android') !== -1) { - adtsObjectType = 2; - config = new Array(2); - adtsExtensionSampleingIndex = adtsSampleingIndex; + //logger.log('loading frag ' + i +',pos/bufEnd:' + pos.toFixed(3) + '/' + bufferEnd.toFixed(3)); + if (frag.decryptdata && frag.decryptdata.uri != null && frag.decryptdata.key == null) { + logger["b" /* logger */].log('Loading key for ' + frag.sn + ' of [' + levelDetails.startSN + ' ,' + levelDetails.endSN + '],level ' + level); + this.state = State.KEY_LOADING; + hls.trigger(events["a" /* default */].KEY_LOADING, { frag: frag }); } else { - /* for other browsers (Chrome/Vivaldi/Opera ...) - always force audio type to be HE-AAC SBR, as some browsers do not support audio codec switch properly (like Chrome ...) - */ - adtsObjectType = 5; - config = new Array(4); - // if (manifest codec is HE-AAC or HE-AACv2) OR (manifest codec not specified AND frequency less than 24kHz) - if (audioCodec && (audioCodec.indexOf('mp4a.40.29') !== -1 || audioCodec.indexOf('mp4a.40.5') !== -1) || !audioCodec && adtsSampleingIndex >= 6) { - // HE-AAC uses SBR (Spectral Band Replication) , high frequencies are constructed from low frequencies - // there is a factor 2 between frame sample rate and output sample rate - // multiply frequency by 2 (see table below, equivalent to substract 3) - adtsExtensionSampleingIndex = adtsSampleingIndex - 3; + logger["b" /* logger */].log('Loading ' + frag.sn + ' of [' + levelDetails.startSN + ' ,' + levelDetails.endSN + '],level ' + level + ', currentTime:' + pos.toFixed(3) + ',bufferEnd:' + bufferEnd.toFixed(3)); + // ensure that we are not reloading the same fragments in loop ... + if (this.fragLoadIdx !== undefined) { + this.fragLoadIdx++; } else { - // if (manifest codec is AAC) AND (frequency less than 24kHz AND nb channel is 1) OR (manifest codec not specified and mono audio) - // Chrome fails to play back with low frequency AAC LC mono when initialized with HE-AAC. This is not a problem with stereo. - if (audioCodec && audioCodec.indexOf('mp4a.40.2') !== -1 && adtsSampleingIndex >= 6 && adtsChanelConfig === 1 || !audioCodec && adtsChanelConfig === 1) { - adtsObjectType = 2; - config = new Array(2); - } - adtsExtensionSampleingIndex = adtsSampleingIndex; - } - } - /* refer to http://wiki.multimedia.cx/index.php?title=MPEG-4_Audio#Audio_Specific_Config - ISO 14496-3 (AAC).pdf - Table 1.13 — Syntax of AudioSpecificConfig() - Audio Profile / Audio Object Type - 0: Null - 1: AAC Main - 2: AAC LC (Low Complexity) - 3: AAC SSR (Scalable Sample Rate) - 4: AAC LTP (Long Term Prediction) - 5: SBR (Spectral Band Replication) - 6: AAC Scalable - sampling freq - 0: 96000 Hz - 1: 88200 Hz - 2: 64000 Hz - 3: 48000 Hz - 4: 44100 Hz - 5: 32000 Hz - 6: 24000 Hz - 7: 22050 Hz - 8: 16000 Hz - 9: 12000 Hz - 10: 11025 Hz - 11: 8000 Hz - 12: 7350 Hz - 13: Reserved - 14: Reserved - 15: frequency is written explictly - Channel Configurations - These are the channel configurations: - 0: Defined in AOT Specifc Config - 1: 1 channel: front-center - 2: 2 channels: front-left, front-right - */ - // audioObjectType = profile => profile, the MPEG-4 Audio Object Type minus 1 - config[0] = adtsObjectType << 3; - // samplingFrequencyIndex - config[0] |= (adtsSampleingIndex & 0x0E) >> 1; - config[1] |= (adtsSampleingIndex & 0x01) << 7; - // channelConfiguration - config[1] |= adtsChanelConfig << 3; - if (adtsObjectType === 5) { - // adtsExtensionSampleingIndex - config[1] |= (adtsExtensionSampleingIndex & 0x0E) >> 1; - config[2] = (adtsExtensionSampleingIndex & 0x01) << 7; - // adtsObjectType (force to 2, chrome is checking that object type is less than 5 ??? - // https://chromium.googlesource.com/chromium/src.git/+/master/media/formats/mp4/aac.cc - config[2] |= 2 << 2; - config[3] = 0; - } - return { config: config, samplerate: adtsSampleingRates[adtsSampleingIndex], channelCount: adtsChanelConfig, codec: 'mp4a.40.' + adtsObjectType, manifestCodec: manifestCodec }; - } -}; - -module.exports = ADTS; - -},{"33":33,"53":53}],23:[function(_dereq_,module,exports){ -'use strict'; - -Object.defineProperty(exports, "__esModule", { - value: true -}); - -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); /* inline demuxer. - * probe fragments and instantiate appropriate demuxer depending on content type (TSDemuxer, AACDemuxer, ...) - */ - -var _events = _dereq_(35); - -var _events2 = _interopRequireDefault(_events); - -var _errors = _dereq_(33); + this.fragLoadIdx = 0; + } + if (frag.loadCounter) { + frag.loadCounter++; + var maxThreshold = config.fragLoadingLoopThreshold; + // if this frag has already been loaded 3 times, and if it has been reloaded recently + if (frag.loadCounter > maxThreshold && Math.abs(this.fragLoadIdx - frag.loadIdx) < maxThreshold) { + hls.trigger(events["a" /* default */].ERROR, { type: errors["b" /* ErrorTypes */].MEDIA_ERROR, details: errors["a" /* ErrorDetails */].FRAG_LOOP_LOADING_ERROR, fatal: false, frag: frag }); + return; + } + } else { + frag.loadCounter = 1; + } + frag.loadIdx = this.fragLoadIdx; + frag.autoLevel = hls.autoLevelEnabled; + frag.bitrateTest = this.bitrateTest; -var _decrypter = _dereq_(19); + this.fragCurrent = frag; + this.startFragRequested = true; + // Don't update nextLoadPosition for fragments which are not buffered + if (!isNaN(frag.sn) && !frag.bitrateTest) { + this.nextLoadPosition = frag.start + frag.duration; + } + hls.trigger(events["a" /* default */].FRAG_LOADING, { frag: frag }); + // lazy demuxer init, as this could take some time ... do it during frag loading + if (!this.demuxer) { + this.demuxer = new demux_demuxer(hls, 'main'); + } + this.state = State.FRAG_LOADING; + return; + } + }; -var _decrypter2 = _interopRequireDefault(_decrypter); + StreamController.prototype.getBufferedFrag = function getBufferedFrag(position) { + return binary_search.search(this._bufferedFrags, function (frag) { + if (position < frag.startPTS) { + return -1; + } else if (position > frag.endPTS) { + return 1; + } + return 0; + }); + }; -var _aacdemuxer = _dereq_(21); + StreamController.prototype.followingBufferedFrag = function followingBufferedFrag(frag) { + if (frag) { + // try to get range of next fragment (500ms after this range) + return this.getBufferedFrag(frag.endPTS + 0.5); + } + return null; + }; -var _aacdemuxer2 = _interopRequireDefault(_aacdemuxer); + StreamController.prototype._checkFragmentChanged = function _checkFragmentChanged() { + var fragPlayingCurrent, + currentTime, + video = this.media; + if (video && video.readyState && video.seeking === false) { + currentTime = video.currentTime; + /* if video element is in seeked state, currentTime can only increase. + (assuming that playback rate is positive ...) + As sometimes currentTime jumps back to zero after a + media decode error, check this, to avoid seeking back to + wrong position after a media decode error + */ + if (currentTime > video.playbackRate * this.lastCurrentTime) { + this.lastCurrentTime = currentTime; + } + if (buffer_helper.isBuffered(video, currentTime)) { + fragPlayingCurrent = this.getBufferedFrag(currentTime); + } else if (buffer_helper.isBuffered(video, currentTime + 0.1)) { + /* ensure that FRAG_CHANGED event is triggered at startup, + when first video frame is displayed and playback is paused. + add a tolerance of 100ms, in case current position is not buffered, + check if current pos+100ms is buffered and use that buffer range + for FRAG_CHANGED event reporting */ + fragPlayingCurrent = this.getBufferedFrag(currentTime + 0.1); + } + if (fragPlayingCurrent) { + var fragPlaying = fragPlayingCurrent; + if (fragPlaying !== this.fragPlaying) { + this.hls.trigger(events["a" /* default */].FRAG_CHANGED, { frag: fragPlaying }); + var fragPlayingLevel = fragPlaying.level; + if (!this.fragPlaying || this.fragPlaying.level !== fragPlayingLevel) { + this.hls.trigger(events["a" /* default */].LEVEL_SWITCHED, { level: fragPlayingLevel }); + } + this.fragPlaying = fragPlaying; + } + } + } + }; -var _mp4demuxer = _dereq_(29); + /* + on immediate level switch : + - pause playback if playing + - cancel any pending load request + - and trigger a buffer flush + */ -var _mp4demuxer2 = _interopRequireDefault(_mp4demuxer); -var _tsdemuxer = _dereq_(32); + StreamController.prototype.immediateLevelSwitch = function immediateLevelSwitch() { + logger["b" /* logger */].log('immediateLevelSwitch'); + if (!this.immediateSwitch) { + this.immediateSwitch = true; + var media = this.media, + previouslyPaused = void 0; + if (media) { + previouslyPaused = media.paused; + media.pause(); + } else { + // don't restart playback after instant level switch in case media not attached + previouslyPaused = true; + } + this.previouslyPaused = previouslyPaused; + } + var fragCurrent = this.fragCurrent; + if (fragCurrent && fragCurrent.loader) { + fragCurrent.loader.abort(); + } + this.fragCurrent = null; + // increase fragment load Index to avoid frag loop loading error after buffer flush + if (this.fragLoadIdx !== undefined) { + this.fragLoadIdx += 2 * this.config.fragLoadingLoopThreshold; + } + // flush everything + this.flushMainBuffer(0, Number.POSITIVE_INFINITY); + }; -var _tsdemuxer2 = _interopRequireDefault(_tsdemuxer); + /* + on immediate level switch end, after new fragment has been buffered : + - nudge video decoder by slightly adjusting video currentTime (if currentTime buffered) + - resume the playback if needed + */ -var _mp3demuxer = _dereq_(28); -var _mp3demuxer2 = _interopRequireDefault(_mp3demuxer); + StreamController.prototype.immediateLevelSwitchEnd = function immediateLevelSwitchEnd() { + var media = this.media; + if (media && media.buffered.length) { + this.immediateSwitch = false; + if (buffer_helper.isBuffered(media, media.currentTime)) { + // only nudge if currentTime is buffered + media.currentTime -= 0.0001; + } + if (!this.previouslyPaused) { + media.play(); + } + } + }; -var _mp4Remuxer = _dereq_(45); + StreamController.prototype.nextLevelSwitch = function nextLevelSwitch() { + /* try to switch ASAP without breaking video playback : + in order to ensure smooth but quick level switching, + we need to find the next flushable buffer range + we should take into account new segment fetch time + */ + var media = this.media; + // ensure that media is defined and that metadata are available (to retrieve currentTime) + if (media && media.readyState) { + var fetchdelay = void 0, + fragPlayingCurrent = void 0, + nextBufferedFrag = void 0; + if (this.fragLoadIdx !== undefined) { + // increase fragment load Index to avoid frag loop loading error after buffer flush + this.fragLoadIdx += 2 * this.config.fragLoadingLoopThreshold; + } + fragPlayingCurrent = this.getBufferedFrag(media.currentTime); + if (fragPlayingCurrent && fragPlayingCurrent.startPTS > 1) { + // flush buffer preceding current fragment (flush until current fragment start offset) + // minus 1s to avoid video freezing, that could happen if we flush keyframe of current video ... + this.flushMainBuffer(0, fragPlayingCurrent.startPTS - 1); + } + if (!media.paused) { + // add a safety delay of 1s + var nextLevelId = this.hls.nextLoadLevel, + nextLevel = this.levels[nextLevelId], + fragLastKbps = this.fragLastKbps; + if (fragLastKbps && this.fragCurrent) { + fetchdelay = this.fragCurrent.duration * nextLevel.bitrate / (1000 * fragLastKbps) + 1; + } else { + fetchdelay = 0; + } + } else { + fetchdelay = 0; + } + //logger.log('fetchdelay:'+fetchdelay); + // find buffer range that will be reached once new fragment will be fetched + nextBufferedFrag = this.getBufferedFrag(media.currentTime + fetchdelay); + if (nextBufferedFrag) { + // we can flush buffer range following this one without stalling playback + nextBufferedFrag = this.followingBufferedFrag(nextBufferedFrag); + if (nextBufferedFrag) { + // if we are here, we can also cancel any loading/demuxing in progress, as they are useless + var fragCurrent = this.fragCurrent; + if (fragCurrent && fragCurrent.loader) { + fragCurrent.loader.abort(); + } + this.fragCurrent = null; + // start flush position is the start PTS of next buffered frag. + // we use frag.naxStartPTS which is max(audio startPTS, video startPTS). + // in case there is a small PTS Delta between audio and video, using maxStartPTS avoids flushing last samples from current fragment + this.flushMainBuffer(nextBufferedFrag.maxStartPTS, Number.POSITIVE_INFINITY); + } + } + } + }; -var _mp4Remuxer2 = _interopRequireDefault(_mp4Remuxer); + StreamController.prototype.flushMainBuffer = function flushMainBuffer(startOffset, endOffset) { + this.state = State.BUFFER_FLUSHING; + var flushScope = { startOffset: startOffset, endOffset: endOffset }; + // if alternate audio tracks are used, only flush video, otherwise flush everything + if (this.altAudio) { + flushScope.type = 'video'; + } + this.hls.trigger(events["a" /* default */].BUFFER_FLUSHING, flushScope); + }; -var _passthroughRemuxer = _dereq_(46); + StreamController.prototype.onMediaAttached = function onMediaAttached(data) { + var media = this.media = this.mediaBuffer = data.media; + this.onvseeking = this.onMediaSeeking.bind(this); + this.onvseeked = this.onMediaSeeked.bind(this); + this.onvended = this.onMediaEnded.bind(this); + media.addEventListener('seeking', this.onvseeking); + media.addEventListener('seeked', this.onvseeked); + media.addEventListener('ended', this.onvended); + var config = this.config; + if (this.levels && config.autoStartLoad) { + this.hls.startLoad(config.startPosition); + } + }; -var _passthroughRemuxer2 = _interopRequireDefault(_passthroughRemuxer); + StreamController.prototype.onMediaDetaching = function onMediaDetaching() { + var media = this.media; + if (media && media.ended) { + logger["b" /* logger */].log('MSE detaching and video ended, reset startPosition'); + this.startPosition = this.lastCurrentTime = 0; + } -function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + // reset fragment loading counter on MSE detaching to avoid reporting FRAG_LOOP_LOADING_ERROR after error recovery + var levels = this.levels; + if (levels) { + // reset fragment load counter + levels.forEach(function (level) { + if (level.details) { + level.details.fragments.forEach(function (fragment) { + fragment.loadCounter = undefined; + fragment.backtracked = undefined; + }); + } + }); + } + // remove video listeners + if (media) { + media.removeEventListener('seeking', this.onvseeking); + media.removeEventListener('seeked', this.onvseeked); + media.removeEventListener('ended', this.onvended); + this.onvseeking = this.onvseeked = this.onvended = null; + } + this.media = this.mediaBuffer = null; + this.loadedmetadata = false; + this.stopLoad(); + }; + + StreamController.prototype.onMediaSeeking = function onMediaSeeking() { + var media = this.media, + currentTime = media ? media.currentTime : undefined, + config = this.config; + if (!isNaN(currentTime)) { + logger["b" /* logger */].log('media seeking to ' + currentTime.toFixed(3)); + } + var mediaBuffer = this.mediaBuffer ? this.mediaBuffer : media; + var bufferInfo = buffer_helper.bufferInfo(mediaBuffer, currentTime, this.config.maxBufferHole); + if (this.state === State.FRAG_LOADING) { + var fragCurrent = this.fragCurrent; + // check if we are seeking to a unbuffered area AND if frag loading is in progress + if (bufferInfo.len === 0 && fragCurrent) { + var tolerance = config.maxFragLookUpTolerance, + fragStartOffset = fragCurrent.start - tolerance, + fragEndOffset = fragCurrent.start + fragCurrent.duration + tolerance; + // check if we seek position will be out of currently loaded frag range : if out cancel frag load, if in, don't do anything + if (currentTime < fragStartOffset || currentTime > fragEndOffset) { + if (fragCurrent.loader) { + logger["b" /* logger */].log('seeking outside of buffer while fragment load in progress, cancel fragment load'); + fragCurrent.loader.abort(); + } + this.fragCurrent = null; + this.fragPrevious = null; + // switch to IDLE state to load new fragment + this.state = State.IDLE; + } else { + logger["b" /* logger */].log('seeking outside of buffer but within currently loaded fragment range'); + } + } + } else if (this.state === State.ENDED) { + // if seeking to unbuffered area, clean up fragPrevious + if (bufferInfo.len === 0) { + this.fragPrevious = 0; + } + // switch to IDLE state to check for potential new fragment + this.state = State.IDLE; + } + if (media) { + this.lastCurrentTime = currentTime; + } + // avoid reporting fragment loop loading error in case user is seeking several times on same position + if (this.state !== State.FRAG_LOADING && this.fragLoadIdx !== undefined) { + this.fragLoadIdx += 2 * config.fragLoadingLoopThreshold; + } + // in case seeking occurs although no media buffered, adjust startPosition and nextLoadPosition to seek target + if (!this.loadedmetadata) { + this.nextLoadPosition = this.startPosition = currentTime; + } + // tick to speed up processing + this.tick(); + }; -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + StreamController.prototype.onMediaSeeked = function onMediaSeeked() { + var media = this.media, + currentTime = media ? media.currentTime : undefined; + if (!isNaN(currentTime)) { + logger["b" /* logger */].log('media seeked to ' + currentTime.toFixed(3)); + } + // tick to speed up FRAGMENT_PLAYING triggering + this.tick(); + }; -var DemuxerInline = function () { - function DemuxerInline(observer, typeSupported, config, vendor) { - _classCallCheck(this, DemuxerInline); + StreamController.prototype.onMediaEnded = function onMediaEnded() { + logger["b" /* logger */].log('media ended'); + // reset startPosition and lastCurrentTime to restart playback @ stream beginning + this.startPosition = this.lastCurrentTime = 0; + }; - this.observer = observer; - this.typeSupported = typeSupported; - this.config = config; - this.vendor = vendor; - } + StreamController.prototype.onManifestLoading = function onManifestLoading() { + // reset buffer on manifest loading + logger["b" /* logger */].log('trigger BUFFER_RESET'); + this.hls.trigger(events["a" /* default */].BUFFER_RESET); + this._bufferedFrags = []; + this.stalled = false; + this.startPosition = this.lastCurrentTime = 0; + }; - _createClass(DemuxerInline, [{ - key: 'destroy', - value: function destroy() { - var demuxer = this.demuxer; - if (demuxer) { - demuxer.destroy(); + StreamController.prototype.onManifestParsed = function onManifestParsed(data) { + var aac = false, + heaac = false, + codec; + data.levels.forEach(function (level) { + // detect if we have different kind of audio codecs used amongst playlists + codec = level.audioCodec; + if (codec) { + if (codec.indexOf('mp4a.40.2') !== -1) { + aac = true; + } + if (codec.indexOf('mp4a.40.5') !== -1) { + heaac = true; + } } - } - }, { - key: 'push', - value: function push(data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS) { - if (data.byteLength > 0 && decryptdata != null && decryptdata.key != null && decryptdata.method === 'AES-128') { - var decrypter = this.decrypter; - if (decrypter == null) { - decrypter = this.decrypter = new _decrypter2.default(this.observer, this.config); - } - var localthis = this; - // performance.now() not available on WebWorker, at least on Safari Desktop - var startTime; - try { - startTime = performance.now(); - } catch (error) { - startTime = Date.now(); + }); + this.audioCodecSwitch = aac && heaac; + if (this.audioCodecSwitch) { + logger["b" /* logger */].log('both AAC/HE-AAC audio found in levels; declaring level codec as HE-AAC'); + } + this.levels = data.levels; + this.startFragRequested = false; + var config = this.config; + if (config.autoStartLoad || this.forceStartLoad) { + this.hls.startLoad(config.startPosition); + } + }; + + StreamController.prototype.onLevelLoaded = function onLevelLoaded(data) { + var newDetails = data.details; + var newLevelId = data.level; + var lastLevel = this.levels[this.levelLastLoaded]; + var curLevel = this.levels[newLevelId]; + var duration = newDetails.totalduration; + var sliding = 0; + + logger["b" /* logger */].log('level ' + newLevelId + ' loaded [' + newDetails.startSN + ',' + newDetails.endSN + '],duration:' + duration); + + if (newDetails.live) { + var curDetails = curLevel.details; + if (curDetails && newDetails.fragments.length > 0) { + // we already have details for that level, merge them + mergeDetails(curDetails, newDetails); + sliding = newDetails.fragments[0].start; + this.liveSyncPosition = this.computeLivePosition(sliding, curDetails); + if (newDetails.PTSKnown && !isNaN(sliding)) { + logger["b" /* logger */].log('live playlist sliding:' + sliding.toFixed(3)); + } else { + logger["b" /* logger */].log('live playlist - outdated PTS, unknown sliding'); + alignDiscontinuities(this.fragPrevious, lastLevel, newDetails); } - decrypter.decrypt(data, decryptdata.key.buffer, decryptdata.iv.buffer, function (decryptedData) { - var endTime; - try { - endTime = performance.now(); - } catch (error) { - endTime = Date.now(); - } - localthis.observer.trigger(_events2.default.FRAG_DECRYPTED, { stats: { tstart: startTime, tdecrypt: endTime } }); - localthis.pushDecrypted(new Uint8Array(decryptedData), decryptdata, new Uint8Array(initSegment), audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS); - }); } else { - this.pushDecrypted(new Uint8Array(data), decryptdata, new Uint8Array(initSegment), audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS); + logger["b" /* logger */].log('live playlist - first load, unknown sliding'); + newDetails.PTSKnown = false; + alignDiscontinuities(this.fragPrevious, lastLevel, newDetails); + } + } else { + newDetails.PTSKnown = false; + } + // override level info + curLevel.details = newDetails; + this.levelLastLoaded = newLevelId; + this.hls.trigger(events["a" /* default */].LEVEL_UPDATED, { details: newDetails, level: newLevelId }); + + if (this.startFragRequested === false) { + // compute start position if set to -1. use it straight away if value is defined + if (this.startPosition === -1 || this.lastCurrentTime === -1) { + // first, check if start time offset has been set in playlist, if yes, use this value + var startTimeOffset = newDetails.startTimeOffset; + if (!isNaN(startTimeOffset)) { + if (startTimeOffset < 0) { + logger["b" /* logger */].log('negative start time offset ' + startTimeOffset + ', count from end of last fragment'); + startTimeOffset = sliding + duration + startTimeOffset; + } + logger["b" /* logger */].log('start time offset found in playlist, adjust startPosition to ' + startTimeOffset); + this.startPosition = startTimeOffset; + } else { + // if live playlist, set start position to be fragment N-this.config.liveSyncDurationCount (usually 3) + if (newDetails.live) { + this.startPosition = this.computeLivePosition(sliding, newDetails); + logger["b" /* logger */].log('configure startPosition to ' + this.startPosition); + } else { + this.startPosition = 0; + } + } + this.lastCurrentTime = this.startPosition; } + this.nextLoadPosition = this.startPosition; + } + // only switch batck to IDLE state if we were waiting for level to start downloading a new fragment + if (this.state === State.WAITING_LEVEL) { + this.state = State.IDLE; + } + //trigger handler right now + this.tick(); + }; + + StreamController.prototype.onKeyLoaded = function onKeyLoaded() { + if (this.state === State.KEY_LOADING) { + this.state = State.IDLE; + this.tick(); } - }, { - key: 'pushDecrypted', - value: function pushDecrypted(data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS) { - var demuxer = this.demuxer; - if (!demuxer || - // in case of continuity change, we might switch from content type (AAC container to TS container for example) - // so let's check that current demuxer is still valid - discontinuity && !this.probe(data)) { - var observer = this.observer; - var typeSupported = this.typeSupported; - var config = this.config; - var muxConfig = [{ demux: _tsdemuxer2.default, remux: _mp4Remuxer2.default }, { demux: _mp3demuxer2.default, remux: _mp4Remuxer2.default }, { demux: _aacdemuxer2.default, remux: _mp4Remuxer2.default }, { demux: _mp4demuxer2.default, remux: _passthroughRemuxer2.default }]; - - // probe for content type - for (var i in muxConfig) { - var mux = muxConfig[i]; - var probe = mux.demux.probe; - if (probe(data)) { - var _remuxer = this.remuxer = new mux.remux(observer, config, typeSupported, this.vendor); - demuxer = new mux.demux(observer, _remuxer, config, typeSupported); - this.probe = probe; - break; + }; + + StreamController.prototype.onFragLoaded = function onFragLoaded(data) { + var fragCurrent = this.fragCurrent, + fragLoaded = data.frag; + if (this.state === State.FRAG_LOADING && fragCurrent && fragLoaded.type === 'main' && fragLoaded.level === fragCurrent.level && fragLoaded.sn === fragCurrent.sn) { + var stats = data.stats, + currentLevel = this.levels[fragCurrent.level], + details = currentLevel.details; + logger["b" /* logger */].log('Loaded ' + fragCurrent.sn + ' of [' + details.startSN + ' ,' + details.endSN + '],level ' + fragCurrent.level); + // reset frag bitrate test in any case after frag loaded event + this.bitrateTest = false; + this.stats = stats; + // if this frag was loaded to perform a bitrate test AND if hls.nextLoadLevel is greater than 0 + // then this means that we should be able to load a fragment at a higher quality level + if (fragLoaded.bitrateTest === true && this.hls.nextLoadLevel) { + // switch back to IDLE state ... we just loaded a fragment to determine adequate start bitrate and initialize autoswitch algo + this.state = State.IDLE; + this.startFragRequested = false; + stats.tparsed = stats.tbuffered = performance.now(); + this.hls.trigger(events["a" /* default */].FRAG_BUFFERED, { stats: stats, frag: fragCurrent, id: 'main' }); + this.tick(); + } else if (fragLoaded.sn === 'initSegment') { + this.state = State.IDLE; + stats.tparsed = stats.tbuffered = performance.now(); + details.initSegment.data = data.payload; + this.hls.trigger(events["a" /* default */].FRAG_BUFFERED, { stats: stats, frag: fragCurrent, id: 'main' }); + this.tick(); + } else { + this.state = State.PARSING; + // transmux the MPEG-TS data to ISO-BMFF segments + var duration = details.totalduration, + level = fragCurrent.level, + sn = fragCurrent.sn, + audioCodec = this.config.defaultAudioCodec || currentLevel.audioCodec; + if (this.audioCodecSwap) { + logger["b" /* logger */].log('swapping playlist audio codec'); + if (audioCodec === undefined) { + audioCodec = this.lastAudioCodec; + } + if (audioCodec) { + if (audioCodec.indexOf('mp4a.40.5') !== -1) { + audioCodec = 'mp4a.40.2'; + } else { + audioCodec = 'mp4a.40.5'; + } } } + this.pendingBuffering = true; + this.appended = false; + logger["b" /* logger */].log('Parsing ' + sn + ' of [' + details.startSN + ' ,' + details.endSN + '],level ' + level + ', cc ' + fragCurrent.cc); + var demuxer = this.demuxer; if (!demuxer) { - observer.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.MEDIA_ERROR, details: _errors.ErrorDetails.FRAG_PARSING_ERROR, fatal: true, reason: 'no demux matching with content found' }); - return; + demuxer = this.demuxer = new demux_demuxer(this.hls, 'main'); } - this.demuxer = demuxer; + // time Offset is accurate if level PTS is known, or if playlist is not sliding (not live) and if media is not seeking (this is to overcome potential timestamp drifts between playlists and fragments) + var media = this.media; + var mediaSeeking = media && media.seeking; + var accurateTimeOffset = !mediaSeeking && (details.PTSKnown || !details.live); + var initSegmentData = details.initSegment ? details.initSegment.data : []; + demuxer.push(data.payload, initSegmentData, audioCodec, currentLevel.videoCodec, fragCurrent, duration, accurateTimeOffset, undefined); } - var remuxer = this.remuxer; + } + this.fragLoadError = 0; + }; - if (discontinuity || trackSwitch) { - demuxer.resetInitSegment(initSegment, audioCodec, videoCodec, duration); - remuxer.resetInitSegment(); - } - if (discontinuity) { - demuxer.resetTimeStamp(); - remuxer.resetTimeStamp(defaultInitPTS); - } - if (typeof demuxer.setDecryptData === 'function') { - demuxer.setDecryptData(decryptdata); + StreamController.prototype.onFragParsingInitSegment = function onFragParsingInitSegment(data) { + var fragCurrent = this.fragCurrent; + var fragNew = data.frag; + if (fragCurrent && data.id === 'main' && fragNew.sn === fragCurrent.sn && fragNew.level === fragCurrent.level && this.state === State.PARSING) { + var tracks = data.tracks, + trackName, + track; + + // if audio track is expected to come from audio stream controller, discard any coming from main + if (tracks.audio && this.altAudio) { + delete tracks.audio; + } + // include levelCodec in audio and video tracks + track = tracks.audio; + if (track) { + var audioCodec = this.levels[this.level].audioCodec, + ua = navigator.userAgent.toLowerCase(); + if (audioCodec && this.audioCodecSwap) { + logger["b" /* logger */].log('swapping playlist audio codec'); + if (audioCodec.indexOf('mp4a.40.5') !== -1) { + audioCodec = 'mp4a.40.2'; + } else { + audioCodec = 'mp4a.40.5'; + } + } + // in case AAC and HE-AAC audio codecs are signalled in manifest + // force HE-AAC , as it seems that most browsers prefers that way, + // except for mono streams OR on FF + // these conditions might need to be reviewed ... + if (this.audioCodecSwitch) { + // don't force HE-AAC if mono stream + if (track.metadata.channelCount !== 1 && + // don't force HE-AAC if firefox + ua.indexOf('firefox') === -1) { + audioCodec = 'mp4a.40.5'; + } + } + // HE-AAC is broken on Android, always signal audio codec as AAC even if variant manifest states otherwise + if (ua.indexOf('android') !== -1 && track.container !== 'audio/mpeg') { + // Exclude mpeg audio + audioCodec = 'mp4a.40.2'; + logger["b" /* logger */].log('Android: force audio codec to ' + audioCodec); + } + track.levelCodec = audioCodec; + track.id = data.id; + } + track = tracks.video; + if (track) { + track.levelCodec = this.levels[this.level].videoCodec; + track.id = data.id; + } + this.hls.trigger(events["a" /* default */].BUFFER_CODECS, tracks); + // loop through tracks that are going to be provided to bufferController + for (trackName in tracks) { + track = tracks[trackName]; + logger["b" /* logger */].log('main track:' + trackName + ',container:' + track.container + ',codecs[level/parsed]=[' + track.levelCodec + '/' + track.codec + ']'); + var initSegment = track.initSegment; + if (initSegment) { + this.appended = true; + // arm pending Buffering flag before appending a segment + this.pendingBuffering = true; + this.hls.trigger(events["a" /* default */].BUFFER_APPENDING, { type: trackName, data: initSegment, parent: 'main', content: 'initSegment' }); + } } - demuxer.append(data, timeOffset, contiguous, accurateTimeOffset); + //trigger handler right now + this.tick(); } - }]); - - return DemuxerInline; -}(); - -exports.default = DemuxerInline; - -},{"19":19,"21":21,"28":28,"29":29,"32":32,"33":33,"35":35,"45":45,"46":46}],24:[function(_dereq_,module,exports){ -'use strict'; - -Object.defineProperty(exports, "__esModule", { - value: true -}); + }; -var _demuxerInline = _dereq_(23); + StreamController.prototype.onFragParsingData = function onFragParsingData(data) { + var _this2 = this; -var _demuxerInline2 = _interopRequireDefault(_demuxerInline); + var fragCurrent = this.fragCurrent; + var fragNew = data.frag; + if (fragCurrent && data.id === 'main' && fragNew.sn === fragCurrent.sn && fragNew.level === fragCurrent.level && !(data.type === 'audio' && this.altAudio) && // filter out main audio if audio track is loaded through audio stream controller + this.state === State.PARSING) { + var level = this.levels[this.level], + frag = fragCurrent; + if (isNaN(data.endPTS)) { + data.endPTS = data.startPTS + fragCurrent.duration; + data.endDTS = data.startDTS + fragCurrent.duration; + } + + logger["b" /* logger */].log('Parsed ' + data.type + ',PTS:[' + data.startPTS.toFixed(3) + ',' + data.endPTS.toFixed(3) + '],DTS:[' + data.startDTS.toFixed(3) + '/' + data.endDTS.toFixed(3) + '],nb:' + data.nb + ',dropped:' + (data.dropped || 0)); + + // Detect gaps in a fragment and try to fix it by finding a keyframe in the previous fragment (see _findFragments) + if (data.type === 'video') { + frag.dropped = data.dropped; + if (frag.dropped) { + if (!frag.backtracked) { + var levelDetails = level.details; + if (levelDetails && frag.sn === levelDetails.startSN) { + logger["b" /* logger */].warn('missing video frame(s) on first frag, appending with gap'); + } else { + logger["b" /* logger */].warn('missing video frame(s), backtracking fragment'); + // Return back to the IDLE state without appending to buffer + // Causes findFragments to backtrack a segment and find the keyframe + // Audio fragments arriving before video sets the nextLoadPosition, causing _findFragments to skip the backtracked fragment + frag.backtracked = true; + this.nextLoadPosition = data.startPTS; + this.state = State.IDLE; + this.fragPrevious = frag; + this.tick(); + return; + } + } else { + logger["b" /* logger */].warn('Already backtracked on this fragment, appending with the gap'); + } + } else { + // Only reset the backtracked flag if we've loaded the frag without any dropped frames + frag.backtracked = false; + } + } -var _events = _dereq_(35); + var drift = updateFragPTSDTS(level.details, frag, data.startPTS, data.endPTS, data.startDTS, data.endDTS), + hls = this.hls; + hls.trigger(events["a" /* default */].LEVEL_PTS_UPDATED, { details: level.details, level: this.level, drift: drift, type: data.type, start: data.startPTS, end: data.endPTS }); + + // has remuxer dropped video frames located before first keyframe ? + [data.data1, data.data2].forEach(function (buffer) { + // only append in PARSING state (rationale is that an appending error could happen synchronously on first segment appending) + // in that case it is useless to append following segments + if (buffer && buffer.length && _this2.state === State.PARSING) { + _this2.appended = true; + // arm pending Buffering flag before appending a segment + _this2.pendingBuffering = true; + hls.trigger(events["a" /* default */].BUFFER_APPENDING, { type: data.type, data: buffer, parent: 'main', content: 'data' }); + } + }); + //trigger handler right now + this.tick(); + } + }; -var _events2 = _interopRequireDefault(_events); + StreamController.prototype.onFragParsed = function onFragParsed(data) { + var fragCurrent = this.fragCurrent; + var fragNew = data.frag; + if (fragCurrent && data.id === 'main' && fragNew.sn === fragCurrent.sn && fragNew.level === fragCurrent.level && this.state === State.PARSING) { + this.stats.tparsed = performance.now(); + this.state = State.PARSED; + this._checkAppendedParsed(); + } + }; -var _logger = _dereq_(53); + StreamController.prototype.onAudioTrackSwitching = function onAudioTrackSwitching(data) { + // if any URL found on new audio track, it is an alternate audio track + var altAudio = !!data.url, + trackId = data.id; + // if we switch on main audio, ensure that main fragment scheduling is synced with media.buffered + // don't do anything if we switch to alt audio: audio stream controller is handling it. + // we will just have to change buffer scheduling on audioTrackSwitched + if (!altAudio) { + if (this.mediaBuffer !== this.media) { + logger["b" /* logger */].log('switching on main audio, use media.buffered to schedule main fragment loading'); + this.mediaBuffer = this.media; + var fragCurrent = this.fragCurrent; + // we need to refill audio buffer from main: cancel any frag loading to speed up audio switch + if (fragCurrent.loader) { + logger["b" /* logger */].log('switching to main audio track, cancel main fragment load'); + fragCurrent.loader.abort(); + } + this.fragCurrent = null; + this.fragPrevious = null; + // destroy demuxer to force init segment generation (following audio switch) + if (this.demuxer) { + this.demuxer.destroy(); + this.demuxer = null; + } + // switch to IDLE state to load new fragment + this.state = State.IDLE; + } + var hls = this.hls; + // switching to main audio, flush all audio and trigger track switched + hls.trigger(events["a" /* default */].BUFFER_FLUSHING, { startOffset: 0, endOffset: Number.POSITIVE_INFINITY, type: 'audio' }); + hls.trigger(events["a" /* default */].AUDIO_TRACK_SWITCHED, { id: trackId }); + this.altAudio = false; + } + }; + + StreamController.prototype.onAudioTrackSwitched = function onAudioTrackSwitched(data) { + var trackId = data.id, + altAudio = !!this.hls.audioTracks[trackId].url; + if (altAudio) { + var videoBuffer = this.videoBuffer; + // if we switched on alternate audio, ensure that main fragment scheduling is synced with video sourcebuffer buffered + if (videoBuffer && this.mediaBuffer !== videoBuffer) { + logger["b" /* logger */].log('switching on alternate audio, use video.buffered to schedule main fragment loading'); + this.mediaBuffer = videoBuffer; + } + } + this.altAudio = altAudio; + this.tick(); + }; + + StreamController.prototype.onBufferCreated = function onBufferCreated(data) { + var tracks = data.tracks, + mediaTrack = void 0, + name = void 0, + alternate = false; + for (var type in tracks) { + var track = tracks[type]; + if (track.id === 'main') { + name = type; + mediaTrack = track; + // keep video source buffer reference + if (type === 'video') { + this.videoBuffer = tracks[type].buffer; + } + } else { + alternate = true; + } + } + if (alternate && mediaTrack) { + logger["b" /* logger */].log('alternate track found, use ' + name + '.buffered to schedule main fragment loading'); + this.mediaBuffer = mediaTrack.buffer; + } else { + this.mediaBuffer = this.media; + } + }; -var _events3 = _dereq_(1); + StreamController.prototype.onBufferAppended = function onBufferAppended(data) { + if (data.parent === 'main') { + var state = this.state; + if (state === State.PARSING || state === State.PARSED) { + // check if all buffers have been appended + this.pendingBuffering = data.pending > 0; + this._checkAppendedParsed(); + } + } + }; -var _events4 = _interopRequireDefault(_events3); + StreamController.prototype._checkAppendedParsed = function _checkAppendedParsed() { + //trigger handler right now + if (this.state === State.PARSED && (!this.appended || !this.pendingBuffering)) { + var frag = this.fragCurrent; + if (frag) { + var media = this.mediaBuffer ? this.mediaBuffer : this.media; + logger["b" /* logger */].log('main buffered : ' + timeRanges.toString(media.buffered)); + // filter fragments potentially evicted from buffer. this is to avoid memleak on live streams + var bufferedFrags = this._bufferedFrags.filter(function (frag) { + return buffer_helper.isBuffered(media, (frag.startPTS + frag.endPTS) / 2); + }); + // push new range + bufferedFrags.push(frag); + // sort frags, as we use BinarySearch for lookup in getBufferedFrag ... + this._bufferedFrags = bufferedFrags.sort(function (a, b) { + return a.startPTS - b.startPTS; + }); + this.fragPrevious = frag; + var stats = this.stats; + stats.tbuffered = performance.now(); + // we should get rid of this.fragLastKbps + this.fragLastKbps = Math.round(8 * stats.total / (stats.tbuffered - stats.tfirst)); + this.hls.trigger(events["a" /* default */].FRAG_BUFFERED, { stats: stats, frag: frag, id: 'main' }); + this.state = State.IDLE; + } + this.tick(); + } + }; -function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + StreamController.prototype.onError = function onError(data) { + var frag = data.frag || this.fragCurrent; + // don't handle frag error not related to main fragment + if (frag && frag.type !== 'main') { + return; + } + // 0.5 : tolerance needed as some browsers stalls playback before reaching buffered end + var mediaBuffered = !!this.media && buffer_helper.isBuffered(this.media, this.media.currentTime) && buffer_helper.isBuffered(this.media, this.media.currentTime + 0.5); + + switch (data.details) { + case errors["a" /* ErrorDetails */].FRAG_LOAD_ERROR: + case errors["a" /* ErrorDetails */].FRAG_LOAD_TIMEOUT: + case errors["a" /* ErrorDetails */].KEY_LOAD_ERROR: + case errors["a" /* ErrorDetails */].KEY_LOAD_TIMEOUT: + if (!data.fatal) { + // keep retrying until the limit will be reached + if (this.fragLoadError + 1 <= this.config.fragLoadingMaxRetry) { + // exponential backoff capped to config.fragLoadingMaxRetryTimeout + var delay = Math.min(Math.pow(2, this.fragLoadError) * this.config.fragLoadingRetryDelay, this.config.fragLoadingMaxRetryTimeout); + // reset load counter to avoid frag loop loading error + frag.loadCounter = 0; + logger["b" /* logger */].warn('mediaController: frag loading failed, retry in ' + delay + ' ms'); + this.retryDate = performance.now() + delay; + // retry loading state + // if loadedmetadata is not set, it means that we are emergency switch down on first frag + // in that case, reset startFragRequested flag + if (!this.loadedmetadata) { + this.startFragRequested = false; + this.nextLoadPosition = this.startPosition; + } + this.fragLoadError++; + this.state = State.FRAG_LOADING_WAITING_RETRY; + } else { + logger["b" /* logger */].error('mediaController: ' + data.details + ' reaches max retry, redispatch as fatal ...'); + // switch error to fatal + data.fatal = true; + this.state = State.ERROR; + } + } + break; + case errors["a" /* ErrorDetails */].FRAG_LOOP_LOADING_ERROR: + if (!data.fatal) { + // if buffer is not empty + if (mediaBuffered) { + // try to reduce max buffer length : rationale is that we could get + // frag loop loading error because of buffer eviction + this._reduceMaxBufferLength(frag.duration); + this.state = State.IDLE; + } else { + // buffer empty. report as fatal if in manual mode or if lowest level. + // level controller takes care of emergency switch down logic + if (!frag.autoLevel || frag.level === 0) { + // switch error to fatal + data.fatal = true; + this.state = State.ERROR; + } + } + } + break; + case errors["a" /* ErrorDetails */].LEVEL_LOAD_ERROR: + case errors["a" /* ErrorDetails */].LEVEL_LOAD_TIMEOUT: + if (this.state !== State.ERROR) { + if (data.fatal) { + // if fatal error, stop processing + this.state = State.ERROR; + logger["b" /* logger */].warn('streamController: ' + data.details + ',switch to ' + this.state + ' state ...'); + } else { + // in case of non fatal error while loading level, if level controller is not retrying to load level , switch back to IDLE + if (!data.levelRetry && this.state === State.WAITING_LEVEL) { + this.state = State.IDLE; + } + } + } + break; + case errors["a" /* ErrorDetails */].BUFFER_FULL_ERROR: + // if in appending state + if (data.parent === 'main' && (this.state === State.PARSING || this.state === State.PARSED)) { + // reduce max buf len if current position is buffered + if (mediaBuffered) { + this._reduceMaxBufferLength(this.config.maxBufferLength); + this.state = State.IDLE; + } else { + // current position is not buffered, but browser is still complaining about buffer full error + // this happens on IE/Edge, refer to https://github.com/video-dev/hls.js/pull/708 + // in that case flush the whole buffer to recover + logger["b" /* logger */].warn('buffer full error also media.currentTime is not buffered, flush everything'); + this.fragCurrent = null; + // flush everything + this.flushMainBuffer(0, Number.POSITIVE_INFINITY); + } + } + break; + default: + break; + } + }; -/* demuxer web worker. - * - listen to worker message, and trigger DemuxerInline upon reception of Fragments. - * - provides MP4 Boxes back to main thread using [transferable objects](https://developers.google.com/web/updates/2011/12/Transferable-Objects-Lightning-Fast) in order to minimize message passing overhead. - */ + StreamController.prototype._reduceMaxBufferLength = function _reduceMaxBufferLength(minLength) { + var config = this.config; + if (config.maxMaxBufferLength >= minLength) { + // reduce max buffer length as it might be too high. we do this to avoid loop flushing ... + config.maxMaxBufferLength /= 2; + logger["b" /* logger */].warn('main:reduce max buffer length to ' + config.maxMaxBufferLength + 's'); + if (this.fragLoadIdx !== undefined) { + // increase fragment load Index to avoid frag loop loading error after buffer flush + this.fragLoadIdx += 2 * config.fragLoadingLoopThreshold; + } + } + }; -var DemuxerWorker = function DemuxerWorker(self) { - // observer setup - var observer = new _events4.default(); - observer.trigger = function trigger(event) { - for (var _len = arguments.length, data = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) { - data[_key - 1] = arguments[_key]; + StreamController.prototype._checkBuffer = function _checkBuffer() { + var media = this.media, + config = this.config; + // if ready state different from HAVE_NOTHING (numeric value 0), we are allowed to seek + if (media && media.readyState) { + var currentTime = media.currentTime, + mediaBuffer = this.mediaBuffer ? this.mediaBuffer : media, + buffered = mediaBuffer.buffered; + // adjust currentTime to start position on loaded metadata + if (!this.loadedmetadata && buffered.length) { + this.loadedmetadata = true; + // only adjust currentTime if different from startPosition or if startPosition not buffered + // at that stage, there should be only one buffered range, as we reach that code after first fragment has been buffered + var startPosition = media.seeking ? currentTime : this.startPosition, + startPositionBuffered = buffer_helper.isBuffered(mediaBuffer, startPosition), + firstbufferedPosition = buffered.start(0), + startNotBufferedButClose = !startPositionBuffered && Math.abs(startPosition - firstbufferedPosition) < config.maxSeekHole; + // if currentTime not matching with expected startPosition or startPosition not buffered but close to first buffered + if (currentTime !== startPosition || startNotBufferedButClose) { + logger["b" /* logger */].log('target start position:' + startPosition); + // if startPosition not buffered, let's seek to buffered.start(0) + if (startNotBufferedButClose) { + startPosition = firstbufferedPosition; + logger["b" /* logger */].log('target start position not buffered, seek to buffered.start(0) ' + startPosition); + } + logger["b" /* logger */].log('adjust currentTime from ' + currentTime + ' to ' + startPosition); + media.currentTime = startPosition; + } + } else if (this.immediateSwitch) { + this.immediateLevelSwitchEnd(); + } else { + var bufferInfo = buffer_helper.bufferInfo(media, currentTime, 0), + expectedPlaying = !(media.paused || // not playing when media is paused + media.ended || // not playing when media is ended + media.buffered.length === 0), + // not playing if nothing buffered + jumpThreshold = 0.5, + // tolerance needed as some browsers stalls playback before reaching buffered range end + playheadMoving = currentTime !== this.lastCurrentTime; + + if (playheadMoving) { + // played moving, but was previously stalled => now not stuck anymore + if (this.stallReported) { + logger["b" /* logger */].warn('playback not stuck anymore @' + currentTime + ', after ' + Math.round(performance.now() - this.stalled) + 'ms'); + this.stallReported = false; + } + this.stalled = undefined; + this.nudgeRetry = 0; + } else { + // playhead not moving + if (expectedPlaying) { + // playhead not moving BUT media expected to play + var tnow = performance.now(); + var hls = this.hls; + if (!this.stalled) { + // stall just detected, store current time + this.stalled = tnow; + this.stallReported = false; + } else { + // playback already stalled, check stalling duration + // if stalling for more than a given threshold, let's try to recover + var stalledDuration = tnow - this.stalled; + var bufferLen = bufferInfo.len; + var nudgeRetry = this.nudgeRetry || 0; + // have we reached stall deadline ? + if (bufferLen <= jumpThreshold && stalledDuration > config.lowBufferWatchdogPeriod * 1000) { + // report stalled error once + if (!this.stallReported) { + this.stallReported = true; + logger["b" /* logger */].warn('playback stalling in low buffer @' + currentTime); + hls.trigger(events["a" /* default */].ERROR, { type: errors["b" /* ErrorTypes */].MEDIA_ERROR, details: errors["a" /* ErrorDetails */].BUFFER_STALLED_ERROR, fatal: false, buffer: bufferLen }); + } + // if buffer len is below threshold, try to jump to start of next buffer range if close + // no buffer available @ currentTime, check if next buffer is close (within a config.maxSeekHole second range) + var nextBufferStart = bufferInfo.nextStart, + delta = nextBufferStart - currentTime; + if (nextBufferStart && delta < config.maxSeekHole && delta > 0) { + this.nudgeRetry = ++nudgeRetry; + var nudgeOffset = nudgeRetry * config.nudgeOffset; + // next buffer is close ! adjust currentTime to nextBufferStart + // this will ensure effective video decoding + logger["b" /* logger */].log('adjust currentTime from ' + media.currentTime + ' to next buffered @ ' + nextBufferStart + ' + nudge ' + nudgeOffset); + media.currentTime = nextBufferStart + nudgeOffset; + // reset stalled so to rearm watchdog timer + this.stalled = undefined; + hls.trigger(events["a" /* default */].ERROR, { type: errors["b" /* ErrorTypes */].MEDIA_ERROR, details: errors["a" /* ErrorDetails */].BUFFER_SEEK_OVER_HOLE, fatal: false, hole: nextBufferStart + nudgeOffset - currentTime }); + } + } else if (bufferLen > jumpThreshold && stalledDuration > config.highBufferWatchdogPeriod * 1000) { + // report stalled error once + if (!this.stallReported) { + this.stallReported = true; + logger["b" /* logger */].warn('playback stalling in high buffer @' + currentTime); + hls.trigger(events["a" /* default */].ERROR, { type: errors["b" /* ErrorTypes */].MEDIA_ERROR, details: errors["a" /* ErrorDetails */].BUFFER_STALLED_ERROR, fatal: false, buffer: bufferLen }); + } + // reset stalled so to rearm watchdog timer + this.stalled = undefined; + this.nudgeRetry = ++nudgeRetry; + if (nudgeRetry < config.nudgeMaxRetry) { + var _currentTime = media.currentTime; + var targetTime = _currentTime + nudgeRetry * config.nudgeOffset; + logger["b" /* logger */].log('adjust currentTime from ' + _currentTime + ' to ' + targetTime); + // playback stalled in buffered area ... let's nudge currentTime to try to overcome this + media.currentTime = targetTime; + hls.trigger(events["a" /* default */].ERROR, { type: errors["b" /* ErrorTypes */].MEDIA_ERROR, details: errors["a" /* ErrorDetails */].BUFFER_NUDGE_ON_STALL, fatal: false }); + } else { + logger["b" /* logger */].error('still stuck in high buffer @' + currentTime + ' after ' + config.nudgeMaxRetry + ', raise fatal error'); + hls.trigger(events["a" /* default */].ERROR, { type: errors["b" /* ErrorTypes */].MEDIA_ERROR, details: errors["a" /* ErrorDetails */].BUFFER_STALLED_ERROR, fatal: true }); + } + } + } + } + } + } } + }; - observer.emit.apply(observer, [event, event].concat(data)); + StreamController.prototype.onFragLoadEmergencyAborted = function onFragLoadEmergencyAborted() { + this.state = State.IDLE; + // if loadedmetadata is not set, it means that we are emergency switch down on first frag + // in that case, reset startFragRequested flag + if (!this.loadedmetadata) { + this.startFragRequested = false; + this.nextLoadPosition = this.startPosition; + } + this.tick(); }; - observer.off = function off(event) { - for (var _len2 = arguments.length, data = Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) { - data[_key2 - 1] = arguments[_key2]; + StreamController.prototype.onBufferFlushed = function onBufferFlushed() { + /* after successful buffer flushing, filter flushed fragments from bufferedFrags + use mediaBuffered instead of media (so that we will check against video.buffered ranges in case of alt audio track) + */ + var media = this.mediaBuffer ? this.mediaBuffer : this.media; + this._bufferedFrags = this._bufferedFrags.filter(function (frag) { + return buffer_helper.isBuffered(media, (frag.startPTS + frag.endPTS) / 2); + }); + + if (this.fragLoadIdx !== undefined) { + // increase fragment load Index to avoid frag loop loading error after buffer flush + this.fragLoadIdx += 2 * this.config.fragLoadingLoopThreshold; } + // move to IDLE once flush complete. this should trigger new fragment loading + this.state = State.IDLE; + // reset reference to frag + this.fragPrevious = null; + }; - observer.removeListener.apply(observer, [event].concat(data)); + StreamController.prototype.swapAudioCodec = function swapAudioCodec() { + this.audioCodecSwap = !this.audioCodecSwap; }; - var forwardMessage = function forwardMessage(ev, data) { - self.postMessage({ event: ev, data: data }); + StreamController.prototype.computeLivePosition = function computeLivePosition(sliding, levelDetails) { + var targetLatency = this.config.liveSyncDuration !== undefined ? this.config.liveSyncDuration : this.config.liveSyncDurationCount * levelDetails.targetduration; + return sliding + Math.max(0, levelDetails.totalduration - targetLatency); }; - self.addEventListener('message', function (ev) { - var data = ev.data; - //console.log('demuxer cmd:' + data.cmd); - switch (data.cmd) { - case 'init': - var config = JSON.parse(data.config); - self.demuxer = new _demuxerInline2.default(observer, data.typeSupported, config, data.vendor); - try { - (0, _logger.enableLogs)(config.debug === true); - } catch (err) { - console.warn('demuxerWorker: unable to enable logs'); + stream_controller__createClass(StreamController, [{ + key: 'state', + set: function set(nextState) { + if (this.state !== nextState) { + var previousState = this.state; + this._state = nextState; + logger["b" /* logger */].log('main stream:' + previousState + '->' + nextState); + this.hls.trigger(events["a" /* default */].STREAM_STATE_TRANSITION, { previousState: previousState, nextState: nextState }); + } + }, + get: function get() { + return this._state; + } + }, { + key: 'currentLevel', + get: function get() { + var media = this.media; + if (media) { + var frag = this.getBufferedFrag(media.currentTime); + if (frag) { + return frag.level; } - // signal end of worker init - forwardMessage('init', null); - break; - case 'demux': - self.demuxer.push(data.data, data.decryptdata, data.initSegment, data.audioCodec, data.videoCodec, data.timeOffset, data.discontinuity, data.trackSwitch, data.contiguous, data.duration, data.accurateTimeOffset, data.defaultInitPTS); - break; - default: - break; + } + return -1; } - }); - - // forward events to main thread - observer.on(_events2.default.FRAG_DECRYPTED, forwardMessage); - observer.on(_events2.default.FRAG_PARSING_INIT_SEGMENT, forwardMessage); - observer.on(_events2.default.FRAG_PARSED, forwardMessage); - observer.on(_events2.default.ERROR, forwardMessage); - observer.on(_events2.default.FRAG_PARSING_METADATA, forwardMessage); - observer.on(_events2.default.FRAG_PARSING_USERDATA, forwardMessage); - observer.on(_events2.default.INIT_PTS_FOUND, forwardMessage); - - // special case for FRAG_PARSING_DATA: pass data1/data2 as transferable object (no copy) - observer.on(_events2.default.FRAG_PARSING_DATA, function (ev, data) { - var transferable = []; - var message = { event: ev, data: data }; - if (data.data1) { - message.data1 = data.data1.buffer; - transferable.push(data.data1.buffer); - delete data.data1; + }, { + key: 'nextBufferedFrag', + get: function get() { + var media = this.media; + if (media) { + // first get end range of current fragment + return this.followingBufferedFrag(this.getBufferedFrag(media.currentTime)); + } else { + return null; + } + } + }, { + key: 'nextLevel', + get: function get() { + var frag = this.nextBufferedFrag; + if (frag) { + return frag.level; + } else { + return -1; + } } - if (data.data2) { - message.data2 = data.data2.buffer; - transferable.push(data.data2.buffer); - delete data.data2; + }, { + key: 'liveSyncPosition', + get: function get() { + return this._liveSyncPosition; + }, + set: function set(value) { + this._liveSyncPosition = value; } - self.postMessage(message, transferable); - }); -}; - -exports.default = DemuxerWorker; - -},{"1":1,"23":23,"35":35,"53":53}],25:[function(_dereq_,module,exports){ -'use strict'; - -Object.defineProperty(exports, "__esModule", { - value: true -}); - -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); + }]); -var _events = _dereq_(35); + return StreamController; +}(event_handler); -var _events2 = _interopRequireDefault(_events); +/* harmony default export */ var stream_controller = (stream_controller_StreamController); +// CONCATENATED MODULE: ./src/controller/level-controller.js +var level_controller__createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); -var _demuxerInline = _dereq_(23); +function level_controller__classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } -var _demuxerInline2 = _interopRequireDefault(_demuxerInline); +function level_controller__possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; } -var _demuxerWorker = _dereq_(24); +function level_controller__inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } -var _demuxerWorker2 = _interopRequireDefault(_demuxerWorker); +/* + * Level Controller +*/ -var _logger = _dereq_(53); -var _errors = _dereq_(33); -var _events3 = _dereq_(1); -var _events4 = _interopRequireDefault(_events3); -function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } -var Demuxer = function () { - function Demuxer(hls, id) { - _classCallCheck(this, Demuxer); +var level_controller_LevelController = function (_EventHandler) { + level_controller__inherits(LevelController, _EventHandler); - this.hls = hls; - this.id = id; - // observer setup - var observer = this.observer = new _events4.default(); - var config = hls.config; - observer.trigger = function trigger(event) { - for (var _len = arguments.length, data = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) { - data[_key - 1] = arguments[_key]; - } + function LevelController(hls) { + level_controller__classCallCheck(this, LevelController); - observer.emit.apply(observer, [event, event].concat(data)); - }; + var _this = level_controller__possibleConstructorReturn(this, _EventHandler.call(this, hls, events["a" /* default */].MANIFEST_LOADED, events["a" /* default */].LEVEL_LOADED, events["a" /* default */].FRAG_LOADED, events["a" /* default */].ERROR)); - observer.off = function off(event) { - for (var _len2 = arguments.length, data = Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) { - data[_key2 - 1] = arguments[_key2]; - } + _this._manualLevel = -1; + _this.timer = null; + return _this; + } - observer.removeListener.apply(observer, [event].concat(data)); - }; + LevelController.prototype.destroy = function destroy() { + this.cleanTimer(); + this._manualLevel = -1; + }; - var forwardMessage = function (ev, data) { - data = data || {}; - data.frag = this.frag; - data.id = this.id; - hls.trigger(ev, data); - }.bind(this); + LevelController.prototype.cleanTimer = function cleanTimer() { + if (this.timer !== null) { + clearTimeout(this.timer); + this.timer = null; + } + }; - // forward events to main thread - observer.on(_events2.default.FRAG_DECRYPTED, forwardMessage); - observer.on(_events2.default.FRAG_PARSING_INIT_SEGMENT, forwardMessage); - observer.on(_events2.default.FRAG_PARSING_DATA, forwardMessage); - observer.on(_events2.default.FRAG_PARSED, forwardMessage); - observer.on(_events2.default.ERROR, forwardMessage); - observer.on(_events2.default.FRAG_PARSING_METADATA, forwardMessage); - observer.on(_events2.default.FRAG_PARSING_USERDATA, forwardMessage); - observer.on(_events2.default.INIT_PTS_FOUND, forwardMessage); + LevelController.prototype.startLoad = function startLoad() { + var levels = this._levels; - var typeSupported = { - mp4: MediaSource.isTypeSupported('video/mp4'), - mpeg: MediaSource.isTypeSupported('audio/mpeg'), - mp3: MediaSource.isTypeSupported('audio/mp4; codecs="mp3"') - }; - // navigator.vendor is not always available in Web Worker - // refer to https://developer.mozilla.org/en-US/docs/Web/API/WorkerGlobalScope/navigator - var vendor = navigator.vendor; - if (config.enableWorker && typeof Worker !== 'undefined') { - _logger.logger.log('demuxing in webworker'); - var w = void 0; - try { - var work = _dereq_(3); - w = this.w = work(_demuxerWorker2.default); - this.onwmsg = this.onWorkerMessage.bind(this); - w.addEventListener('message', this.onwmsg); - w.onerror = function (event) { - hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.OTHER_ERROR, details: _errors.ErrorDetails.INTERNAL_EXCEPTION, fatal: true, event: 'demuxerWorker', err: { message: event.message + ' (' + event.filename + ':' + event.lineno + ')' } }); - }; - w.postMessage({ cmd: 'init', typeSupported: typeSupported, vendor: vendor, id: id, config: JSON.stringify(config) }); - } catch (err) { - _logger.logger.error('error while initializing DemuxerWorker, fallback on DemuxerInline'); - if (w) { - // revoke the Object URL that was used to create demuxer worker, so as not to leak it - URL.revokeObjectURL(w.objectURL); - } - this.demuxer = new _demuxerInline2.default(observer, typeSupported, config, vendor); - this.w = undefined; - } - } else { - this.demuxer = new _demuxerInline2.default(observer, typeSupported, config, vendor); - } - } + this.canload = true; + this.levelRetryCount = 0; - _createClass(Demuxer, [{ - key: 'destroy', - value: function destroy() { - var w = this.w; - if (w) { - w.removeEventListener('message', this.onwmsg); - w.terminate(); - this.w = null; - } else { - var demuxer = this.demuxer; - if (demuxer) { - demuxer.destroy(); - this.demuxer = null; - } - } - var observer = this.observer; - if (observer) { - observer.removeAllListeners(); - this.observer = null; - } - } - }, { - key: 'push', - value: function push(data, initSegment, audioCodec, videoCodec, frag, duration, accurateTimeOffset, defaultInitPTS) { - var w = this.w; - var timeOffset = !isNaN(frag.startDTS) ? frag.startDTS : frag.start; - var decryptdata = frag.decryptdata; - var lastFrag = this.frag; - var discontinuity = !(lastFrag && frag.cc === lastFrag.cc); - var trackSwitch = !(lastFrag && frag.level === lastFrag.level); - var nextSN = lastFrag && frag.sn === lastFrag.sn + 1; - var contiguous = !trackSwitch && nextSN; - if (discontinuity) { - _logger.logger.log(this.id + ':discontinuity detected'); - } - if (trackSwitch) { - _logger.logger.log(this.id + ':switch detected'); - } - this.frag = frag; - if (w) { - // post fragment payload as transferable objects (no copy) - w.postMessage({ cmd: 'demux', data: data, decryptdata: decryptdata, initSegment: initSegment, audioCodec: audioCodec, videoCodec: videoCodec, timeOffset: timeOffset, discontinuity: discontinuity, trackSwitch: trackSwitch, contiguous: contiguous, duration: duration, accurateTimeOffset: accurateTimeOffset, defaultInitPTS: defaultInitPTS }, [data]); - } else { - var demuxer = this.demuxer; - if (demuxer) { - demuxer.push(data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS); + // clean up live level details to force reload them, and reset load errors + if (levels) { + levels.forEach(function (level) { + level.loadError = 0; + var levelDetails = level.details; + if (levelDetails && levelDetails.live) { + level.details = undefined; } - } + }); } - }, { - key: 'onWorkerMessage', - value: function onWorkerMessage(ev) { - var data = ev.data, - hls = this.hls; - //console.log('onWorkerMessage:' + data.event); - switch (data.event) { - case 'init': - // revoke the Object URL that was used to create demuxer worker, so as not to leak it - URL.revokeObjectURL(this.w.objectURL); - break; - // special case for FRAG_PARSING_DATA: data1 and data2 are transferable objects - case _events2.default.FRAG_PARSING_DATA: - data.data.data1 = new Uint8Array(data.data1); - if (data.data2) { - data.data.data2 = new Uint8Array(data.data2); - } - /* falls through */ - default: - data.data = data.data || {}; - data.data.frag = this.frag; - data.data.id = this.id; - hls.trigger(data.event, data.data); - break; - } + // speed up live playlist refresh if timer exists + if (this.timer) { + this.tick(); } - }]); - - return Demuxer; -}(); + }; -exports.default = Demuxer; + LevelController.prototype.stopLoad = function stopLoad() { + this.canload = false; + }; -},{"1":1,"23":23,"24":24,"3":3,"33":33,"35":35,"53":53}],26:[function(_dereq_,module,exports){ -'use strict'; + LevelController.prototype.onManifestLoaded = function onManifestLoaded(data) { + var levels = [], + bitrateStart = void 0, + levelSet = {}, + levelFromSet = null, + videoCodecFound = false, + audioCodecFound = false, + chromeOrFirefox = /chrome|firefox/.test(navigator.userAgent.toLowerCase()); -Object.defineProperty(exports, "__esModule", { - value: true -}); + // regroup redundant levels together + data.levels.forEach(function (level) { + level.loadError = 0; + level.fragmentError = false; -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); /** - * Parser for exponential Golomb codes, a variable-bitwidth number encoding scheme used by h264. - */ + videoCodecFound = videoCodecFound || !!level.videoCodec; + audioCodecFound = audioCodecFound || !!level.audioCodec || !!(level.attrs && level.attrs.AUDIO); -var _logger = _dereq_(53); + // erase audio codec info if browser does not support mp4a.40.34. + // demuxer will autodetect codec and fallback to mpeg/audio + if (chromeOrFirefox === true && level.audioCodec && level.audioCodec.indexOf('mp4a.40.34') !== -1) { + level.audioCodec = undefined; + } -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + levelFromSet = levelSet[level.bitrate]; -var ExpGolomb = function () { - function ExpGolomb(data) { - _classCallCheck(this, ExpGolomb); + if (levelFromSet === undefined) { + level.url = [level.url]; + level.urlId = 0; + levelSet[level.bitrate] = level; + levels.push(level); + } else { + levelFromSet.url.push(level.url); + } + }); - this.data = data; - // the number of bytes left to examine in this.data - this.bytesAvailable = data.byteLength; - // the current word being examined - this.word = 0; // :uint - // the number of bits left to examine in the current word - this.bitsAvailable = 0; // :uint - } + // remove audio-only level if we also have levels with audio+video codecs signalled + if (videoCodecFound === true && audioCodecFound === true) { + levels = levels.filter(function (_ref) { + var videoCodec = _ref.videoCodec; + return !!videoCodec; + }); + } - // ():void + // only keep levels with supported audio/video codecs + levels = levels.filter(function (_ref2) { + var audioCodec = _ref2.audioCodec, + videoCodec = _ref2.videoCodec; + return (!audioCodec || isCodecSupportedInMp4(audioCodec)) && (!videoCodec || isCodecSupportedInMp4(videoCodec)); + }); - _createClass(ExpGolomb, [{ - key: 'loadWord', - value: function loadWord() { - var data = this.data, - bytesAvailable = this.bytesAvailable, - position = data.byteLength - bytesAvailable, - workingBytes = new Uint8Array(4), - availableBytes = Math.min(4, bytesAvailable); - if (availableBytes === 0) { - throw new Error('no bytes available'); + if (levels.length > 0) { + // start bitrate is the first bitrate of the manifest + bitrateStart = levels[0].bitrate; + // sort level on bitrate + levels.sort(function (a, b) { + return a.bitrate - b.bitrate; + }); + this._levels = levels; + // find index of first level in sorted levels + for (var i = 0; i < levels.length; i++) { + if (levels[i].bitrate === bitrateStart) { + this._firstLevel = i; + logger["b" /* logger */].log('manifest loaded,' + levels.length + ' level(s) found, first bitrate:' + bitrateStart); + break; + } } - workingBytes.set(data.subarray(position, position + availableBytes)); - this.word = new DataView(workingBytes.buffer).getUint32(0); - // track the amount of this.data that has been processed - this.bitsAvailable = availableBytes * 8; - this.bytesAvailable -= availableBytes; + this.hls.trigger(events["a" /* default */].MANIFEST_PARSED, { + levels: levels, + firstLevel: this._firstLevel, + stats: data.stats, + audio: audioCodecFound, + video: videoCodecFound, + altAudio: data.audioTracks.length > 0 + }); + } else { + this.hls.trigger(events["a" /* default */].ERROR, { + type: errors["b" /* ErrorTypes */].MEDIA_ERROR, + details: errors["a" /* ErrorDetails */].MANIFEST_INCOMPATIBLE_CODECS_ERROR, + fatal: true, + url: this.hls.url, + reason: 'no level with compatible codecs found in manifest' + }); } + }; - // (count:int):void - - }, { - key: 'skipBits', - value: function skipBits(count) { - var skipBytes; // :int - if (this.bitsAvailable > count) { - this.word <<= count; - this.bitsAvailable -= count; - } else { - count -= this.bitsAvailable; - skipBytes = count >> 3; - count -= skipBytes >> 3; - this.bytesAvailable -= skipBytes; - this.loadWord(); - this.word <<= count; - this.bitsAvailable -= count; + LevelController.prototype.setLevelInternal = function setLevelInternal(newLevel) { + var levels = this._levels; + var hls = this.hls; + // check if level idx is valid + if (newLevel >= 0 && newLevel < levels.length) { + // stopping live reloading timer if any + this.cleanTimer(); + if (this._level !== newLevel) { + logger["b" /* logger */].log('switching to level ' + newLevel); + this._level = newLevel; + var levelProperties = levels[newLevel]; + levelProperties.level = newLevel; + // LEVEL_SWITCH to be deprecated in next major release + hls.trigger(events["a" /* default */].LEVEL_SWITCH, levelProperties); + hls.trigger(events["a" /* default */].LEVEL_SWITCHING, levelProperties); + } + var level = levels[newLevel], + levelDetails = level.details; + // check if we need to load playlist for this level + if (!levelDetails || levelDetails.live === true) { + // level not retrieved yet, or live playlist we need to (re)load it + var urlId = level.urlId; + hls.trigger(events["a" /* default */].LEVEL_LOADING, { url: level.url[urlId], level: newLevel, id: urlId }); } + } else { + // invalid level id given, trigger error + hls.trigger(events["a" /* default */].ERROR, { type: errors["b" /* ErrorTypes */].OTHER_ERROR, details: errors["a" /* ErrorDetails */].LEVEL_SWITCH_ERROR, level: newLevel, fatal: false, reason: 'invalid level idx' }); } + }; - // (size:int):uint + LevelController.prototype.onError = function onError(data) { + var _this2 = this; - }, { - key: 'readBits', - value: function readBits(size) { - var bits = Math.min(this.bitsAvailable, size), - // :uint - valu = this.word >>> 32 - bits; // :uint - if (size > 32) { - _logger.logger.error('Cannot read more than 32 bits at a time'); - } - this.bitsAvailable -= bits; - if (this.bitsAvailable > 0) { - this.word <<= bits; - } else if (this.bytesAvailable > 0) { - this.loadWord(); - } - bits = size - bits; - if (bits > 0 && this.bitsAvailable) { - return valu << bits | this.readBits(bits); - } else { - return valu; + if (data.fatal === true) { + if (data.type === errors["b" /* ErrorTypes */].NETWORK_ERROR) { + this.cleanTimer(); } + return; } - // ():uint - - }, { - key: 'skipLZ', - value: function skipLZ() { - var leadingZeroCount; // :uint - for (leadingZeroCount = 0; leadingZeroCount < this.bitsAvailable; ++leadingZeroCount) { - if (0 !== (this.word & 0x80000000 >>> leadingZeroCount)) { - // the first bit of working word is 1 - this.word <<= leadingZeroCount; - this.bitsAvailable -= leadingZeroCount; - return leadingZeroCount; - } - } - // we exhausted word and still have not found a 1 - this.loadWord(); - return leadingZeroCount + this.skipLZ(); - } + var details = data.details, + levelError = false, + fragmentError = false; + var levelIndex = void 0, + level = void 0; + var config = this.hls.config; - // ():void + // try to recover not fatal errors - }, { - key: 'skipUEG', - value: function skipUEG() { - this.skipBits(1 + this.skipLZ()); + switch (details) { + case errors["a" /* ErrorDetails */].FRAG_LOAD_ERROR: + case errors["a" /* ErrorDetails */].FRAG_LOAD_TIMEOUT: + case errors["a" /* ErrorDetails */].FRAG_LOOP_LOADING_ERROR: + case errors["a" /* ErrorDetails */].KEY_LOAD_ERROR: + case errors["a" /* ErrorDetails */].KEY_LOAD_TIMEOUT: + levelIndex = data.frag.level; + fragmentError = true; + break; + case errors["a" /* ErrorDetails */].LEVEL_LOAD_ERROR: + case errors["a" /* ErrorDetails */].LEVEL_LOAD_TIMEOUT: + levelIndex = data.context.level; + levelError = true; + break; + case errors["a" /* ErrorDetails */].REMUX_ALLOC_ERROR: + levelIndex = data.level; + break; } + /* try to switch to a redundant stream if any available. + * if no redundant stream available, emergency switch down (if in auto mode and current level not 0) + * otherwise, we cannot recover this network error ... + */ + if (levelIndex !== undefined) { + level = this._levels[levelIndex]; + level.loadError++; + level.fragmentError = fragmentError; + + // Allow fragment retry as long as configuration allows. + // Since fragment retry logic could depend on the levels, we should not enforce retry limits when there is an issue with fragments + // FIXME Find a better abstraction where fragment/level retry management is well decoupled + if (fragmentError === true) { + // if any redundant streams available and if we haven't try them all (level.loadError is reseted on successful frag/level load. + // if level.loadError reaches redundantLevels it means that we tried them all, no hope => let's switch down + var redundantLevels = level.url.length; - // ():void - - }, { - key: 'skipEG', - value: function skipEG() { - this.skipBits(1 + this.skipLZ()); + if (redundantLevels > 1 && level.loadError < redundantLevels) { + level.urlId = (level.urlId + 1) % redundantLevels; + level.details = undefined; + logger["b" /* logger */].warn('level controller,' + details + ' for level ' + levelIndex + ': switching to redundant stream id ' + level.urlId); + } else { + // we could try to recover if in auto mode and current level not lowest level (0) + if (this._manualLevel === -1 && levelIndex !== 0) { + logger["b" /* logger */].warn('level controller,' + details + ': switch-down for next fragment'); + this.hls.nextAutoLevel = levelIndex - 1; + } else { + logger["b" /* logger */].warn('level controller, ' + details + ': reload a fragment'); + // reset this._level so that another call to set level() will trigger again a frag load + this._level = undefined; + } + } + } else if (levelError === true) { + if (this.levelRetryCount + 1 <= config.levelLoadingMaxRetry) { + // exponential backoff capped to max retry timeout + var delay = Math.min(Math.pow(2, this.levelRetryCount) * config.levelLoadingRetryDelay, config.levelLoadingMaxRetryTimeout); + // reset load counter to avoid frag loop loading error + this.timer = setTimeout(function () { + return _this2.tick(); + }, delay); + // boolean used to inform stream controller not to switch back to IDLE on non fatal error + data.levelRetry = true; + this.levelRetryCount++; + logger["b" /* logger */].warn('level controller,' + details + ', retry in ' + delay + ' ms, current retry count is ' + this.levelRetryCount); + } else { + logger["b" /* logger */].error('cannot recover ' + details + ' error'); + this._level = undefined; + // stopping live reloading timer if any + this.cleanTimer(); + // switch error to fatal + data.fatal = true; + } + } } + }; - // ():uint + // reset errors on the successful load of a fragment - }, { - key: 'readUEG', - value: function readUEG() { - var clz = this.skipLZ(); // :uint - return this.readBits(clz + 1) - 1; - } - // ():int + LevelController.prototype.onFragLoaded = function onFragLoaded(_ref3) { + var frag = _ref3.frag; - }, { - key: 'readEG', - value: function readEG() { - var valu = this.readUEG(); // :int - if (0x01 & valu) { - // the number is odd if the low order bit is set - return 1 + valu >>> 1; // add 1 to make it even, and divide by 2 - } else { - return -1 * (valu >>> 1); // divide by two then make it negative + if (frag !== undefined && frag.type === 'main') { + var level = this._levels[frag.level]; + if (level !== undefined) { + level.fragmentError = false; + level.loadError = 0; + this.levelRetryCount = 0; } } + }; - // Some convenience functions - // :Boolean - - }, { - key: 'readBoolean', - value: function readBoolean() { - return 1 === this.readBits(1); - } - - // ():int + LevelController.prototype.onLevelLoaded = function onLevelLoaded(data) { + var _this3 = this; - }, { - key: 'readUByte', - value: function readUByte() { - return this.readBits(8); + var levelId = data.level; + // only process level loaded events matching with expected level + if (levelId === this._level) { + var curLevel = this._levels[levelId]; + // reset level load error counter on successful level loaded only if there is no issues with fragments + if (curLevel.fragmentError === false) { + curLevel.loadError = 0; + this.levelRetryCount = 0; + } + var newDetails = data.details; + // if current playlist is a live playlist, arm a timer to reload it + if (newDetails.live) { + var reloadInterval = 1000 * (newDetails.averagetargetduration ? newDetails.averagetargetduration : newDetails.targetduration), + curDetails = curLevel.details; + if (curDetails && newDetails.endSN === curDetails.endSN) { + // follow HLS Spec, If the client reloads a Playlist file and finds that it has not + // changed then it MUST wait for a period of one-half the target + // duration before retrying. + reloadInterval /= 2; + logger["b" /* logger */].log('same live playlist, reload twice faster'); + } + // decrement reloadInterval with level loading delay + reloadInterval -= performance.now() - data.stats.trequest; + // in any case, don't reload more than every second + reloadInterval = Math.max(1000, Math.round(reloadInterval)); + logger["b" /* logger */].log('live playlist, reload in ' + reloadInterval + ' ms'); + this.timer = setTimeout(function () { + return _this3.tick(); + }, reloadInterval); + } else { + this.cleanTimer(); + } } + }; - // ():int - - }, { - key: 'readUShort', - value: function readUShort() { - return this.readBits(16); + LevelController.prototype.tick = function tick() { + var levelId = this._level; + if (levelId !== undefined && this.canload) { + var level = this._levels[levelId]; + if (level && level.url) { + var urlId = level.urlId; + this.hls.trigger(events["a" /* default */].LEVEL_LOADING, { url: level.url[urlId], level: levelId, id: urlId }); + } } - // ():int + }; - }, { - key: 'readUInt', - value: function readUInt() { - return this.readBits(32); + level_controller__createClass(LevelController, [{ + key: 'levels', + get: function get() { + return this._levels; } - - /** - * Advance the ExpGolomb decoder past a scaling list. The scaling - * list is optionally transmitted as part of a sequence parameter - * set and is not relevant to transmuxing. - * @param count {number} the number of entries in this scaling list - * @see Recommendation ITU-T H.264, Section 7.3.2.1.1.1 - */ - }, { - key: 'skipScalingList', - value: function skipScalingList(count) { - var lastScale = 8, - nextScale = 8, - j, - deltaScale; - for (j = 0; j < count; j++) { - if (nextScale !== 0) { - deltaScale = this.readEG(); - nextScale = (lastScale + deltaScale + 256) % 256; + key: 'level', + get: function get() { + return this._level; + }, + set: function set(newLevel) { + var levels = this._levels; + if (levels) { + newLevel = Math.min(newLevel, levels.length - 1); + if (this._level !== newLevel || levels[newLevel].details === undefined) { + this.setLevelInternal(newLevel); } - lastScale = nextScale === 0 ? lastScale : nextScale; } } - - /** - * Read a sequence parameter set and return some interesting video - * properties. A sequence parameter set is the H264 metadata that - * describes the properties of upcoming video frames. - * @param data {Uint8Array} the bytes of a sequence parameter set - * @return {object} an object with configuration parsed from the - * sequence parameter set, including the dimensions of the - * associated video frames. - */ - }, { - key: 'readSPS', - value: function readSPS() { - var frameCropLeftOffset = 0, - frameCropRightOffset = 0, - frameCropTopOffset = 0, - frameCropBottomOffset = 0, - profileIdc, - profileCompat, - levelIdc, - numRefFramesInPicOrderCntCycle, - picWidthInMbsMinus1, - picHeightInMapUnitsMinus1, - frameMbsOnlyFlag, - scalingListCount, - i, - readUByte = this.readUByte.bind(this), - readBits = this.readBits.bind(this), - readUEG = this.readUEG.bind(this), - readBoolean = this.readBoolean.bind(this), - skipBits = this.skipBits.bind(this), - skipEG = this.skipEG.bind(this), - skipUEG = this.skipUEG.bind(this), - skipScalingList = this.skipScalingList.bind(this); - - readUByte(); - profileIdc = readUByte(); // profile_idc - profileCompat = readBits(5); // constraint_set[0-4]_flag, u(5) - skipBits(3); // reserved_zero_3bits u(3), - levelIdc = readUByte(); //level_idc u(8) - skipUEG(); // seq_parameter_set_id - // some profiles have more optional data we don't need - if (profileIdc === 100 || profileIdc === 110 || profileIdc === 122 || profileIdc === 244 || profileIdc === 44 || profileIdc === 83 || profileIdc === 86 || profileIdc === 118 || profileIdc === 128) { - var chromaFormatIdc = readUEG(); - if (chromaFormatIdc === 3) { - skipBits(1); // separate_colour_plane_flag - } - skipUEG(); // bit_depth_luma_minus8 - skipUEG(); // bit_depth_chroma_minus8 - skipBits(1); // qpprime_y_zero_transform_bypass_flag - if (readBoolean()) { - // seq_scaling_matrix_present_flag - scalingListCount = chromaFormatIdc !== 3 ? 8 : 12; - for (i = 0; i < scalingListCount; i++) { - if (readBoolean()) { - // seq_scaling_list_present_flag[ i ] - if (i < 6) { - skipScalingList(16); - } else { - skipScalingList(64); - } - } - } - } + key: 'manualLevel', + get: function get() { + return this._manualLevel; + }, + set: function set(newLevel) { + this._manualLevel = newLevel; + if (this._startLevel === undefined) { + this._startLevel = newLevel; } - skipUEG(); // log2_max_frame_num_minus4 - var picOrderCntType = readUEG(); - if (picOrderCntType === 0) { - readUEG(); //log2_max_pic_order_cnt_lsb_minus4 - } else if (picOrderCntType === 1) { - skipBits(1); // delta_pic_order_always_zero_flag - skipEG(); // offset_for_non_ref_pic - skipEG(); // offset_for_top_to_bottom_field - numRefFramesInPicOrderCntCycle = readUEG(); - for (i = 0; i < numRefFramesInPicOrderCntCycle; i++) { - skipEG(); // offset_for_ref_frame[ i ] - } - } - skipUEG(); // max_num_ref_frames - skipBits(1); // gaps_in_frame_num_value_allowed_flag - picWidthInMbsMinus1 = readUEG(); - picHeightInMapUnitsMinus1 = readUEG(); - frameMbsOnlyFlag = readBits(1); - if (frameMbsOnlyFlag === 0) { - skipBits(1); // mb_adaptive_frame_field_flag - } - skipBits(1); // direct_8x8_inference_flag - if (readBoolean()) { - // frame_cropping_flag - frameCropLeftOffset = readUEG(); - frameCropRightOffset = readUEG(); - frameCropTopOffset = readUEG(); - frameCropBottomOffset = readUEG(); + if (newLevel !== -1) { + this.level = newLevel; } - var pixelRatio = [1, 1]; - if (readBoolean()) { - // vui_parameters_present_flag - if (readBoolean()) { - // aspect_ratio_info_present_flag - var aspectRatioIdc = readUByte(); - switch (aspectRatioIdc) { - case 1: - pixelRatio = [1, 1];break; - case 2: - pixelRatio = [12, 11];break; - case 3: - pixelRatio = [10, 11];break; - case 4: - pixelRatio = [16, 11];break; - case 5: - pixelRatio = [40, 33];break; - case 6: - pixelRatio = [24, 11];break; - case 7: - pixelRatio = [20, 11];break; - case 8: - pixelRatio = [32, 11];break; - case 9: - pixelRatio = [80, 33];break; - case 10: - pixelRatio = [18, 11];break; - case 11: - pixelRatio = [15, 11];break; - case 12: - pixelRatio = [64, 33];break; - case 13: - pixelRatio = [160, 99];break; - case 14: - pixelRatio = [4, 3];break; - case 15: - pixelRatio = [3, 2];break; - case 16: - pixelRatio = [2, 1];break; - case 255: - { - pixelRatio = [readUByte() << 8 | readUByte(), readUByte() << 8 | readUByte()]; - break; - } - } + } + }, { + key: 'firstLevel', + get: function get() { + return this._firstLevel; + }, + set: function set(newLevel) { + this._firstLevel = newLevel; + } + }, { + key: 'startLevel', + get: function get() { + // hls.startLevel takes precedence over config.startLevel + // if none of these values are defined, fallback on this._firstLevel (first quality level appearing in variant manifest) + if (this._startLevel === undefined) { + var configStartLevel = this.hls.config.startLevel; + if (configStartLevel !== undefined) { + return configStartLevel; + } else { + return this._firstLevel; } + } else { + return this._startLevel; } - return { - width: Math.ceil((picWidthInMbsMinus1 + 1) * 16 - frameCropLeftOffset * 2 - frameCropRightOffset * 2), - height: (2 - frameMbsOnlyFlag) * (picHeightInMapUnitsMinus1 + 1) * 16 - (frameMbsOnlyFlag ? 2 : 4) * (frameCropTopOffset + frameCropBottomOffset), - pixelRatio: pixelRatio - }; + }, + set: function set(newLevel) { + this._startLevel = newLevel; } }, { - key: 'readSliceType', - value: function readSliceType() { - // skip NALu type - this.readUByte(); - // discard first_mb_in_slice - this.readUEG(); - // return slice_type - return this.readUEG(); + key: 'nextLoadLevel', + get: function get() { + if (this._manualLevel !== -1) { + return this._manualLevel; + } else { + return this.hls.nextAutoLevel; + } + }, + set: function set(nextLevel) { + this.level = nextLevel; + if (this._manualLevel === -1) { + this.hls.nextAutoLevel = nextLevel; + } } }]); - return ExpGolomb; -}(); + return LevelController; +}(event_handler); -exports.default = ExpGolomb; +/* harmony default export */ var level_controller = (level_controller_LevelController); +// EXTERNAL MODULE: ./src/demux/id3.js +var id3 = __webpack_require__(4); -},{"53":53}],27:[function(_dereq_,module,exports){ -'use strict'; +// CONCATENATED MODULE: ./src/controller/id3-track-controller.js +function id3_track_controller__classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } -Object.defineProperty(exports, "__esModule", { - value: true -}); +function id3_track_controller__possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; } -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); /** - * ID3 parser - */ +function id3_track_controller__inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } +/* + * id3 metadata track controller +*/ -var _logger = _dereq_(53); -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } -//import Hex from '../utils/hex'; -var ID3 = function () { - function ID3(data) { - _classCallCheck(this, ID3); - this._hasTimeStamp = false; - this._length = 0; - var offset = 0, - byte1, - byte2, - byte3, - byte4, - tagSize, - endPos, - header, - len; - do { - header = this.readUTF(data, offset, 3); - offset += 3; - // first check for ID3 header - if (header === 'ID3') { - // skip 24 bits - offset += 3; - // retrieve tag(s) length - byte1 = data[offset++] & 0x7f; - byte2 = data[offset++] & 0x7f; - byte3 = data[offset++] & 0x7f; - byte4 = data[offset++] & 0x7f; - tagSize = (byte1 << 21) + (byte2 << 14) + (byte3 << 7) + byte4; - endPos = offset + tagSize; - //logger.log(`ID3 tag found, size/end: ${tagSize}/${endPos}`); - - // read ID3 tags - this._parseID3Frames(data, offset, endPos); - offset = endPos; - } else if (header === '3DI') { - // http://id3.org/id3v2.4.0-structure chapter 3.4. ID3v2 footer - offset += 7; - _logger.logger.log('3DI footer found, end: ' + offset); - } else { - offset -= 3; - len = offset; - if (len) { - //logger.log(`ID3 len: ${len}`); - if (!this.hasTimeStamp) { - _logger.logger.warn('ID3 tag found, but no timestamp'); - } - this._length = len; - this._payload = data.subarray(0, len); - } - return; - } - } while (true); +var id3_track_controller_ID3TrackController = function (_EventHandler) { + id3_track_controller__inherits(ID3TrackController, _EventHandler); + + function ID3TrackController(hls) { + id3_track_controller__classCallCheck(this, ID3TrackController); + + var _this = id3_track_controller__possibleConstructorReturn(this, _EventHandler.call(this, hls, events["a" /* default */].MEDIA_ATTACHED, events["a" /* default */].MEDIA_DETACHING, events["a" /* default */].FRAG_PARSING_METADATA)); + + _this.id3Track = undefined; + _this.media = undefined; + return _this; } - _createClass(ID3, [{ - key: 'readUTF', - value: function readUTF(data, start, len) { + ID3TrackController.prototype.destroy = function destroy() { + event_handler.prototype.destroy.call(this); + }; + + // Add ID3 metatadata text track. + - var result = '', - offset = start, - end = start + len; - do { - result += String.fromCharCode(data[offset++]); - } while (offset < end); - return result; + ID3TrackController.prototype.onMediaAttached = function onMediaAttached(data) { + this.media = data.media; + if (!this.media) { + return; } - }, { - key: '_parseID3Frames', - value: function _parseID3Frames(data, offset, endPos) { - var tagId, tagLen, tagStart, tagFlags, timestamp; - while (offset + 8 <= endPos) { - tagId = this.readUTF(data, offset, 4); - offset += 4; + }; - tagLen = data[offset++] << 24 + data[offset++] << 16 + data[offset++] << 8 + data[offset++]; + ID3TrackController.prototype.onMediaDetaching = function onMediaDetaching() { + this.media = undefined; + }; - tagFlags = data[offset++] << 8 + data[offset++]; + ID3TrackController.prototype.onFragParsingMetadata = function onFragParsingMetadata(data) { + var fragment = data.frag; + var samples = data.samples; - tagStart = offset; - //logger.log("ID3 tag id:" + tagId); - switch (tagId) { - case 'PRIV': - //logger.log('parse frame:' + Hex.hexDump(data.subarray(offset,endPos))); - // owner should be "com.apple.streaming.transportStreamTimestamp" - if (this.readUTF(data, offset, 44) === 'com.apple.streaming.transportStreamTimestamp') { - offset += 44; - // smelling even better ! we found the right descriptor - // skip null character (string end) + 3 first bytes - offset += 4; + // create track dynamically + if (!this.id3Track) { + this.id3Track = this.media.addTextTrack('metadata', 'id3'); + this.id3Track.mode = 'hidden'; + } - // timestamp is 33 bit expressed as a big-endian eight-octet number, with the upper 31 bits set to zero. - var pts33Bit = data[offset++] & 0x1; - this._hasTimeStamp = true; + // Attempt to recreate Safari functionality by creating + // WebKitDataCue objects when available and store the decoded + // ID3 data in the value property of the cue + var Cue = window.WebKitDataCue || window.VTTCue || window.TextTrackCue; - timestamp = ((data[offset++] << 23) + (data[offset++] << 15) + (data[offset++] << 7) + data[offset++]) / 45; + for (var i = 0; i < samples.length; i++) { + var frames = id3["a" /* default */].getID3Frames(samples[i].data); + if (frames) { + var startTime = samples[i].pts; + var endTime = i < samples.length - 1 ? samples[i + 1].pts : fragment.endPTS; - if (pts33Bit) { - timestamp += 47721858.84; // 2^32 / 90 - } - timestamp = Math.round(timestamp); - _logger.logger.trace('ID3 timestamp found: ' + timestamp); - this._timeStamp = timestamp; - } - break; - default: - break; + // Give a slight bump to the endTime if it's equal to startTime to avoid a SyntaxError in IE + if (startTime === endTime) { + endTime += 0.0001; + } + + for (var j = 0; j < frames.length; j++) { + var frame = frames[j]; + // Safari doesn't put the timestamp frame in the TextTrack + if (!id3["a" /* default */].isTimeStampFrame(frame)) { + var cue = new Cue(startTime, endTime, ''); + cue.value = frame; + this.id3Track.addCue(cue); + } } } } - }, { - key: 'hasTimeStamp', - get: function get() { - return this._hasTimeStamp; - } - }, { - key: 'timeStamp', - get: function get() { - return this._timeStamp; - } - }, { - key: 'length', - get: function get() { - return this._length; - } - }, { - key: 'payload', - get: function get() { - return this._payload; - } - }]); + }; - return ID3; -}(); + return ID3TrackController; +}(event_handler); -exports.default = ID3; +/* harmony default export */ var id3_track_controller = (id3_track_controller_ID3TrackController); +// CONCATENATED MODULE: ./src/utils/ewma.js +function ewma__classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } -},{"53":53}],28:[function(_dereq_,module,exports){ -'use strict'; +/* + * compute an Exponential Weighted moving average + * - https://en.wikipedia.org/wiki/Moving_average#Exponential_moving_average + * - heavily inspired from shaka-player + */ -Object.defineProperty(exports, "__esModule", { - value: true -}); +var EWMA = function () { -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); /** - * MP3 demuxer - */ + // About half of the estimated value will be from the last |halfLife| samples by weight. + function EWMA(halfLife) { + ewma__classCallCheck(this, EWMA); + // Larger values of alpha expire historical data more slowly. + this.alpha_ = halfLife ? Math.exp(Math.log(0.5) / halfLife) : 0; + this.estimate_ = 0; + this.totalWeight_ = 0; + } -var _id = _dereq_(27); + EWMA.prototype.sample = function sample(weight, value) { + var adjAlpha = Math.pow(this.alpha_, weight); + this.estimate_ = value * (1 - adjAlpha) + adjAlpha * this.estimate_; + this.totalWeight_ += weight; + }; -var _id2 = _interopRequireDefault(_id); + EWMA.prototype.getTotalWeight = function getTotalWeight() { + return this.totalWeight_; + }; -var _mpegaudio = _dereq_(30); + EWMA.prototype.getEstimate = function getEstimate() { + if (this.alpha_) { + var zeroFactor = 1 - Math.pow(this.alpha_, this.totalWeight_); + return this.estimate_ / zeroFactor; + } else { + return this.estimate_; + } + }; -var _mpegaudio2 = _interopRequireDefault(_mpegaudio); + return EWMA; +}(); -function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } +/* harmony default export */ var ewma = (EWMA); +// CONCATENATED MODULE: ./src/utils/ewma-bandwidth-estimator.js +function ewma_bandwidth_estimator__classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } +/* + * EWMA Bandwidth Estimator + * - heavily inspired from shaka-player + * Tracks bandwidth samples and estimates available bandwidth. + * Based on the minimum of two exponentially-weighted moving averages with + * different half-lives. + */ -var MP3Demuxer = function () { - function MP3Demuxer(observer, remuxer, config) { - _classCallCheck(this, MP3Demuxer); - this.observer = observer; - this.config = config; - this.remuxer = remuxer; - } - _createClass(MP3Demuxer, [{ - key: 'resetInitSegment', - value: function resetInitSegment(initSegment, audioCodec, videoCodec, duration) { - this._audioTrack = { container: 'audio/mpeg', type: 'audio', id: -1, sequenceNumber: 0, isAAC: false, samples: [], len: 0, manifestCodec: audioCodec, duration: duration, inputTimeScale: 90000 }; - } - }, { - key: 'resetTimeStamp', - value: function resetTimeStamp() {} - }, { - key: 'append', +var ewma_bandwidth_estimator_EwmaBandWidthEstimator = function () { + function EwmaBandWidthEstimator(hls, slow, fast, defaultEstimate) { + ewma_bandwidth_estimator__classCallCheck(this, EwmaBandWidthEstimator); + this.hls = hls; + this.defaultEstimate_ = defaultEstimate; + this.minWeight_ = 0.001; + this.minDelayMs_ = 50; + this.slow_ = new ewma(slow); + this.fast_ = new ewma(fast); + } - // feed incoming data to the front of the parsing pipeline - value: function append(data, timeOffset, contiguous, accurateTimeOffset) { - var id3 = new _id2.default(data); - var pts = 90 * id3.timeStamp; - var afterID3 = id3.length; - var offset, length; + EwmaBandWidthEstimator.prototype.sample = function sample(durationMs, numBytes) { + durationMs = Math.max(durationMs, this.minDelayMs_); + var bandwidth = 8000 * numBytes / durationMs, - // Look for MPEG header - for (offset = afterID3, length = data.length; offset < length - 1; offset++) { - if (data[offset] === 0xff && (data[offset + 1] & 0xe0) === 0xe0 && (data[offset + 1] & 0x06) !== 0x00) { - break; - } - } + //console.log('instant bw:'+ Math.round(bandwidth)); + // we weight sample using loading duration.... + weight = durationMs / 1000; + this.fast_.sample(weight, bandwidth); + this.slow_.sample(weight, bandwidth); + }; - _mpegaudio2.default.parse(this._audioTrack, data, id3.length, pts); + EwmaBandWidthEstimator.prototype.canEstimate = function canEstimate() { + var fast = this.fast_; + return fast && fast.getTotalWeight() >= this.minWeight_; + }; - this.remuxer.remux(this._audioTrack, { samples: [] }, { samples: [{ pts: pts, dts: pts, data: id3.payload }], inputTimeScale: 90000 }, { samples: [] }, timeOffset, contiguous, accurateTimeOffset); - } - }, { - key: 'destroy', - value: function destroy() {} - }], [{ - key: 'probe', - value: function probe(data) { - // check if data contains ID3 timestamp and MPEG sync word - var id3 = new _id2.default(data), - offset, - length; - if (id3.hasTimeStamp) { - // Look for MPEG header | 1111 1111 | 111X XYZX | where X can be either 0 or 1 and Y or Z should be 1 - // Layer bits (position 14 and 15) in header should be always different from 0 (Layer I or Layer II or Layer III) - // More info http://www.mp3-tech.org/programmer/frame_header.html - for (offset = id3.length, length = Math.min(data.length - 1, offset + 100); offset < length; offset++) { - if (data[offset] === 0xff && (data[offset + 1] & 0xe0) === 0xe0 && (data[offset + 1] & 0x06) !== 0x00) { - //logger.log('MPEG sync word found !'); - return true; - } - } - } - return false; + EwmaBandWidthEstimator.prototype.getEstimate = function getEstimate() { + if (this.canEstimate()) { + //console.log('slow estimate:'+ Math.round(this.slow_.getEstimate())); + //console.log('fast estimate:'+ Math.round(this.fast_.getEstimate())); + // Take the minimum of these two estimates. This should have the effect of + // adapting down quickly, but up more slowly. + return Math.min(this.fast_.getEstimate(), this.slow_.getEstimate()); + } else { + return this.defaultEstimate_; } - }]); + }; - return MP3Demuxer; + EwmaBandWidthEstimator.prototype.destroy = function destroy() {}; + + return EwmaBandWidthEstimator; }(); -exports.default = MP3Demuxer; +/* harmony default export */ var ewma_bandwidth_estimator = (ewma_bandwidth_estimator_EwmaBandWidthEstimator); +// CONCATENATED MODULE: ./src/controller/abr-controller.js +var abr_controller__createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); -},{"27":27,"30":30}],29:[function(_dereq_,module,exports){ -'use strict'; +function abr_controller__classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } -Object.defineProperty(exports, "__esModule", { - value: true -}); +function abr_controller__possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; } -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); /** - * MP4 demuxer - */ -//import {logger} from '../utils/logger'; +function abr_controller__inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } +/* + * simple ABR Controller + * - compute next level based on last fragment bw heuristics + * - implement an abandon rules triggered if we have less than 2 frag buffered and if computed bw shows that we risk buffer stalling + */ -var _events = _dereq_(35); -var _events2 = _interopRequireDefault(_events); -function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } -var MP4Demuxer = function () { - function MP4Demuxer(observer, remuxer) { - _classCallCheck(this, MP4Demuxer); - this.observer = observer; - this.remuxer = remuxer; + + +var abr_controller_AbrController = function (_EventHandler) { + abr_controller__inherits(AbrController, _EventHandler); + + function AbrController(hls) { + abr_controller__classCallCheck(this, AbrController); + + var _this = abr_controller__possibleConstructorReturn(this, _EventHandler.call(this, hls, events["a" /* default */].FRAG_LOADING, events["a" /* default */].FRAG_LOADED, events["a" /* default */].FRAG_BUFFERED, events["a" /* default */].ERROR)); + + _this.lastLoadedFragLevel = 0; + _this._nextAutoLevel = -1; + _this.hls = hls; + _this.timer = null; + _this._bwEstimator = null; + _this.onCheck = _this._abandonRulesCheck.bind(_this); + return _this; } - _createClass(MP4Demuxer, [{ - key: 'resetTimeStamp', - value: function resetTimeStamp() {} - }, { - key: 'resetInitSegment', - value: function resetInitSegment(initSegment, audioCodec, videoCodec, duration) { - //jshint unused:false - var initData = this.initData = MP4Demuxer.parseInitSegment(initSegment); - var tracks = {}; - if (initData.audio) { - tracks.audio = { container: 'audio/mp4', codec: audioCodec, initSegment: initSegment }; + AbrController.prototype.destroy = function destroy() { + this.clearTimer(); + event_handler.prototype.destroy.call(this); + }; + + AbrController.prototype.onFragLoading = function onFragLoading(data) { + var frag = data.frag; + if (frag.type === 'main') { + if (!this.timer) { + this.timer = setInterval(this.onCheck, 100); } - if (initData.video) { - tracks.video = { container: 'video/mp4', codec: videoCodec, initSegment: initSegment }; + // lazy init of bw Estimator, rationale is that we use different params for Live/VoD + // so we need to wait for stream manifest / playlist type to instantiate it. + if (!this._bwEstimator) { + var hls = this.hls, + level = data.frag.level, + isLive = hls.levels[level].details.live, + config = hls.config, + ewmaFast = void 0, + ewmaSlow = void 0; + + if (isLive) { + ewmaFast = config.abrEwmaFastLive; + ewmaSlow = config.abrEwmaSlowLive; + } else { + ewmaFast = config.abrEwmaFastVoD; + ewmaSlow = config.abrEwmaSlowVoD; + } + this._bwEstimator = new ewma_bandwidth_estimator(hls, ewmaSlow, ewmaFast, config.abrEwmaDefaultEstimate); } - this.observer.trigger(_events2.default.FRAG_PARSING_INIT_SEGMENT, { tracks: tracks }); + this.fragCurrent = frag; } - }, { - key: 'append', - + }; - // feed incoming data to the front of the parsing pipeline - value: function append(data, timeOffset, contiguous, accurateTimeOffset) { - var initData = this.initData; - var startDTS = MP4Demuxer.startDTS(initData, data); - this.remuxer.remux(initData.audio, initData.video, null, null, startDTS, contiguous, accurateTimeOffset, data); + AbrController.prototype._abandonRulesCheck = function _abandonRulesCheck() { + /* + monitor fragment retrieval time... + we compute expected time of arrival of the complete fragment. + we compare it to expected time of buffer starvation + */ + var hls = this.hls, + v = hls.media, + frag = this.fragCurrent, + loader = frag.loader, + minAutoLevel = hls.minAutoLevel; + + // if loader has been destroyed or loading has been aborted, stop timer and return + if (!loader || loader.stats && loader.stats.aborted) { + logger["b" /* logger */].warn('frag loader destroy or aborted, disarm abandonRules'); + this.clearTimer(); + return; } - }, { - key: 'destroy', - value: function destroy() {} - }], [{ - key: 'probe', - value: function probe(data) { - if (data.length >= 8) { - var dataType = MP4Demuxer.bin2str(data.subarray(4, 8)); - return ['moof', 'ftyp', 'styp'].indexOf(dataType) >= 0; + var stats = loader.stats; + /* only monitor frag retrieval time if + (video not paused OR first fragment being loaded(ready state === HAVE_NOTHING = 0)) AND autoswitching enabled AND not lowest level (=> means that we have several levels) */ + if (v && stats && (!v.paused && v.playbackRate !== 0 || !v.readyState) && frag.autoLevel && frag.level) { + var requestDelay = performance.now() - stats.trequest, + playbackRate = Math.abs(v.playbackRate); + // monitor fragment load progress after half of expected fragment duration,to stabilize bitrate + if (requestDelay > 500 * frag.duration / playbackRate) { + var levels = hls.levels, + loadRate = Math.max(1, stats.bw ? stats.bw / 8 : stats.loaded * 1000 / requestDelay), + // byte/s; at least 1 byte/s to avoid division by zero + // compute expected fragment length using frag duration and level bitrate. also ensure that expected len is gte than already loaded size + level = levels[frag.level], + levelBitrate = level.realBitrate ? Math.max(level.realBitrate, level.bitrate) : level.bitrate, + expectedLen = stats.total ? stats.total : Math.max(stats.loaded, Math.round(frag.duration * levelBitrate / 8)), + pos = v.currentTime, + fragLoadedDelay = (expectedLen - stats.loaded) / loadRate, + bufferStarvationDelay = (buffer_helper.bufferInfo(v, pos, hls.config.maxBufferHole).end - pos) / playbackRate; + // consider emergency switch down only if we have less than 2 frag buffered AND + // time to finish loading current fragment is bigger than buffer starvation delay + // ie if we risk buffer starvation if bw does not increase quickly + if (bufferStarvationDelay < 2 * frag.duration / playbackRate && fragLoadedDelay > bufferStarvationDelay) { + var fragLevelNextLoadedDelay = void 0, + nextLoadLevel = void 0; + // lets iterate through lower level and try to find the biggest one that could avoid rebuffering + // we start from current level - 1 and we step down , until we find a matching level + for (nextLoadLevel = frag.level - 1; nextLoadLevel > minAutoLevel; nextLoadLevel--) { + // compute time to load next fragment at lower level + // 0.8 : consider only 80% of current bw to be conservative + // 8 = bits per byte (bps/Bps) + var levelNextBitrate = levels[nextLoadLevel].realBitrate ? Math.max(levels[nextLoadLevel].realBitrate, levels[nextLoadLevel].bitrate) : levels[nextLoadLevel].bitrate; + fragLevelNextLoadedDelay = frag.duration * levelNextBitrate / (8 * 0.8 * loadRate); + if (fragLevelNextLoadedDelay < bufferStarvationDelay) { + // we found a lower level that be rebuffering free with current estimated bw ! + break; + } + } + // only emergency switch down if it takes less time to load new fragment at lowest level instead + // of finishing loading current one ... + if (fragLevelNextLoadedDelay < fragLoadedDelay) { + logger["b" /* logger */].warn('loading too slow, abort fragment loading and switch to level ' + nextLoadLevel + ':fragLoadedDelay[' + nextLoadLevel + ']<fragLoadedDelay[' + (frag.level - 1) + '];bufferStarvationDelay:' + fragLevelNextLoadedDelay.toFixed(1) + '<' + fragLoadedDelay.toFixed(1) + ':' + bufferStarvationDelay.toFixed(1)); + // force next load level in auto mode + hls.nextLoadLevel = nextLoadLevel; + // update bw estimate for this fragment before cancelling load (this will help reducing the bw) + this._bwEstimator.sample(requestDelay, stats.loaded); + //abort fragment loading + loader.abort(); + // stop abandon rules timer + this.clearTimer(); + hls.trigger(events["a" /* default */].FRAG_LOAD_EMERGENCY_ABORTED, { frag: frag, stats: stats }); + } + } } - return false; } - }, { - key: 'bin2str', - value: function bin2str(buffer) { - return String.fromCharCode.apply(null, buffer); + }; + + AbrController.prototype.onFragLoaded = function onFragLoaded(data) { + var frag = data.frag; + if (frag.type === 'main' && !isNaN(frag.sn)) { + // stop monitoring bw once frag loaded + this.clearTimer(); + // store level id after successful fragment load + this.lastLoadedFragLevel = frag.level; + // reset forced auto level value so that next level will be selected + this._nextAutoLevel = -1; + + // compute level average bitrate + if (this.hls.config.abrMaxWithRealBitrate) { + var level = this.hls.levels[frag.level]; + var loadedBytes = (level.loaded ? level.loaded.bytes : 0) + data.stats.loaded; + var loadedDuration = (level.loaded ? level.loaded.duration : 0) + data.frag.duration; + level.loaded = { bytes: loadedBytes, duration: loadedDuration }; + level.realBitrate = Math.round(8 * loadedBytes / loadedDuration); + } + // if fragment has been loaded to perform a bitrate test, + if (data.frag.bitrateTest) { + var stats = data.stats; + stats.tparsed = stats.tbuffered = stats.tload; + this.onFragBuffered(data); + } + } + }; + + AbrController.prototype.onFragBuffered = function onFragBuffered(data) { + var stats = data.stats, + frag = data.frag; + // only update stats on first frag buffering + // if same frag is loaded multiple times, it might be in browser cache, and loaded quickly + // and leading to wrong bw estimation + // on bitrate test, also only update stats once (if tload = tbuffered == on FRAG_LOADED) + if (stats.aborted !== true && frag.loadCounter === 1 && frag.type === 'main' && !isNaN(frag.sn) && (!frag.bitrateTest || stats.tload === stats.tbuffered)) { + // use tparsed-trequest instead of tbuffered-trequest to compute fragLoadingProcessing; rationale is that buffer appending only happens once media is attached + // in case we use config.startFragPrefetch while media is not attached yet, fragment might be parsed while media not attached yet, but it will only be buffered on media attached + // as a consequence it could happen really late in the process. meaning that appending duration might appears huge ... leading to underestimated throughput estimation + var fragLoadingProcessingMs = stats.tparsed - stats.trequest; + logger["b" /* logger */].log('latency/loading/parsing/append/kbps:' + Math.round(stats.tfirst - stats.trequest) + '/' + Math.round(stats.tload - stats.tfirst) + '/' + Math.round(stats.tparsed - stats.tload) + '/' + Math.round(stats.tbuffered - stats.tparsed) + '/' + Math.round(8 * stats.loaded / (stats.tbuffered - stats.trequest))); + this._bwEstimator.sample(fragLoadingProcessingMs, stats.loaded); + stats.bwEstimate = this._bwEstimator.getEstimate(); + // if fragment has been loaded to perform a bitrate test, (hls.startLevel = -1), store bitrate test delay duration + if (frag.bitrateTest) { + this.bitrateTestDelay = fragLoadingProcessingMs / 1000; + } else { + this.bitrateTestDelay = 0; + } } - }, { - key: 'readUint32', - value: function readUint32(buffer, offset) { - var val = buffer[offset] << 24 | buffer[offset + 1] << 16 | buffer[offset + 2] << 8 | buffer[offset + 3]; - return val < 0 ? 4294967296 + val : val; + }; + + AbrController.prototype.onError = function onError(data) { + // stop timer in case of frag loading error + switch (data.details) { + case errors["a" /* ErrorDetails */].FRAG_LOAD_ERROR: + case errors["a" /* ErrorDetails */].FRAG_LOAD_TIMEOUT: + this.clearTimer(); + break; + default: + break; } + }; - // Find the data for a box specified by its path + AbrController.prototype.clearTimer = function clearTimer() { + clearInterval(this.timer); + this.timer = null; + }; - }, { - key: 'findBox', - value: function findBox(data, path) { - var results = [], - i, - size, - type, - end, - subresults; - - if (!path.length) { - // short-circuit the search for empty paths - return null; + // return next auto level + + + AbrController.prototype._findBestLevel = function _findBestLevel(currentLevel, currentFragDuration, currentBw, minAutoLevel, maxAutoLevel, maxFetchDuration, bwFactor, bwUpFactor, levels) { + for (var i = maxAutoLevel; i >= minAutoLevel; i--) { + var levelInfo = levels[i], + levelDetails = levelInfo.details, + avgDuration = levelDetails ? levelDetails.totalduration / levelDetails.fragments.length : currentFragDuration, + live = levelDetails ? levelDetails.live : false, + adjustedbw = void 0; + // follow algorithm captured from stagefright : + // https://android.googlesource.com/platform/frameworks/av/+/master/media/libstagefright/httplive/LiveSession.cpp + // Pick the highest bandwidth stream below or equal to estimated bandwidth. + // consider only 80% of the available bandwidth, but if we are switching up, + // be even more conservative (70%) to avoid overestimating and immediately + // switching back. + if (i <= currentLevel) { + adjustedbw = bwFactor * currentBw; + } else { + adjustedbw = bwUpFactor * currentBw; + } + var bitrate = levels[i].realBitrate ? Math.max(levels[i].realBitrate, levels[i].bitrate) : levels[i].bitrate, + fetchDuration = bitrate * avgDuration / adjustedbw; + + logger["b" /* logger */].trace('level/adjustedbw/bitrate/avgDuration/maxFetchDuration/fetchDuration: ' + i + '/' + Math.round(adjustedbw) + '/' + bitrate + '/' + avgDuration + '/' + maxFetchDuration + '/' + fetchDuration); + // if adjusted bw is greater than level bitrate AND + if (adjustedbw > bitrate && ( + // fragment fetchDuration unknown OR live stream OR fragment fetchDuration less than max allowed fetch duration, then this level matches + // we don't account for max Fetch Duration for live streams, this is to avoid switching down when near the edge of live sliding window ... + // special case to support startLevel = -1 (bitrateTest) on live streams : in that case we should not exit loop so that _findBestLevel will return -1 + !fetchDuration || live && !this.bitrateTestDelay || fetchDuration < maxFetchDuration)) { + // as we are looping from highest to lowest, this will return the best achievable quality level + return i; + } + } + // not enough time budget even with quality level 0 ... rebuffering might happen + return -1; + }; + + abr_controller__createClass(AbrController, [{ + key: 'nextAutoLevel', + get: function get() { + var forcedAutoLevel = this._nextAutoLevel; + var bwEstimator = this._bwEstimator; + // in case next auto level has been forced, and bw not available or not reliable, return forced value + if (forcedAutoLevel !== -1 && (!bwEstimator || !bwEstimator.canEstimate())) { + return forcedAutoLevel; + } + // compute next level using ABR logic + var nextABRAutoLevel = this._nextABRAutoLevel; + // if forced auto level has been defined, use it to cap ABR computed quality level + if (forcedAutoLevel !== -1) { + nextABRAutoLevel = Math.min(forcedAutoLevel, nextABRAutoLevel); } + return nextABRAutoLevel; + }, + set: function set(nextLevel) { + this._nextAutoLevel = nextLevel; + } + }, { + key: '_nextABRAutoLevel', + get: function get() { + var hls = this.hls, + maxAutoLevel = hls.maxAutoLevel, + levels = hls.levels, + config = hls.config, + minAutoLevel = hls.minAutoLevel; + var v = hls.media, + currentLevel = this.lastLoadedFragLevel, + currentFragDuration = this.fragCurrent ? this.fragCurrent.duration : 0, + pos = v ? v.currentTime : 0, - for (i = 0; i < data.byteLength;) { - size = MP4Demuxer.readUint32(data, i); - type = MP4Demuxer.bin2str(data.subarray(i + 4, i + 8)); + // playbackRate is the absolute value of the playback rate; if v.playbackRate is 0, we use 1 to load as + // if we're playing back at the normal rate. + playbackRate = v && v.playbackRate !== 0 ? Math.abs(v.playbackRate) : 1.0, + avgbw = this._bwEstimator ? this._bwEstimator.getEstimate() : config.abrEwmaDefaultEstimate, - end = size > 1 ? i + size : data.byteLength; + // bufferStarvationDelay is the wall-clock time left until the playback buffer is exhausted. + bufferStarvationDelay = (buffer_helper.bufferInfo(v, pos, config.maxBufferHole).end - pos) / playbackRate; - if (type === path[0]) { - if (path.length === 1) { - // this is the end of the path and we've found the box we were - // looking for - results.push(data.subarray(i + 8, end)); - } else { - // recursively search for the next box along the path - subresults = MP4Demuxer.findBox(data.subarray(i + 8, end), path.slice(1)); - if (subresults.length) { - results = results.concat(subresults); - } + // First, look to see if we can find a level matching with our avg bandwidth AND that could also guarantee no rebuffering at all + var bestLevel = this._findBestLevel(currentLevel, currentFragDuration, avgbw, minAutoLevel, maxAutoLevel, bufferStarvationDelay, config.abrBandWidthFactor, config.abrBandWidthUpFactor, levels); + if (bestLevel >= 0) { + return bestLevel; + } else { + logger["b" /* logger */].trace('rebuffering expected to happen, lets try to find a quality level minimizing the rebuffering'); + // not possible to get rid of rebuffering ... let's try to find level that will guarantee less than maxStarvationDelay of rebuffering + // if no matching level found, logic will return 0 + var maxStarvationDelay = currentFragDuration ? Math.min(currentFragDuration, config.maxStarvationDelay) : config.maxStarvationDelay, + bwFactor = config.abrBandWidthFactor, + bwUpFactor = config.abrBandWidthUpFactor; + if (bufferStarvationDelay === 0) { + // in case buffer is empty, let's check if previous fragment was loaded to perform a bitrate test + var bitrateTestDelay = this.bitrateTestDelay; + if (bitrateTestDelay) { + // if it is the case, then we need to adjust our max starvation delay using maxLoadingDelay config value + // max video loading delay used in automatic start level selection : + // in that mode ABR controller will ensure that video loading time (ie the time to fetch the first fragment at lowest quality level + + // the time to fetch the fragment at the appropriate quality level is less than ```maxLoadingDelay``` ) + // cap maxLoadingDelay and ensure it is not bigger 'than bitrate test' frag duration + var maxLoadingDelay = currentFragDuration ? Math.min(currentFragDuration, config.maxLoadingDelay) : config.maxLoadingDelay; + maxStarvationDelay = maxLoadingDelay - bitrateTestDelay; + logger["b" /* logger */].trace('bitrate test took ' + Math.round(1000 * bitrateTestDelay) + 'ms, set first fragment max fetchDuration to ' + Math.round(1000 * maxStarvationDelay) + ' ms'); + // don't use conservative factor on bitrate test + bwFactor = bwUpFactor = 1; } } - i = end; + bestLevel = this._findBestLevel(currentLevel, currentFragDuration, avgbw, minAutoLevel, maxAutoLevel, bufferStarvationDelay + maxStarvationDelay, bwFactor, bwUpFactor, levels); + return Math.max(bestLevel, 0); } - - // we've finished searching all of data - return results; } + }]); - /** - * Parses an MP4 initialization segment and extracts stream type and - * timescale values for any declared tracks. Timescale values indicate the - * number of clock ticks per second to assume for time-based values - * elsewhere in the MP4. - * - * To determine the start time of an MP4, you need two pieces of - * information: the timescale unit and the earliest base media decode - * time. Multiple timescales can be specified within an MP4 but the - * base media decode time is always expressed in the timescale from - * the media header box for the track: - * ``` - * moov > trak > mdia > mdhd.timescale - * moov > trak > mdia > hdlr - * ``` - * @param init {Uint8Array} the bytes of the init segment - * @return {object} a hash of track type to timescale values or null if - * the init segment is malformed. - */ - - }, { - key: 'parseInitSegment', - value: function parseInitSegment(initSegment) { - var result = []; - var traks = MP4Demuxer.findBox(initSegment, ['moov', 'trak']); - - traks.forEach(function (trak) { - var tkhd = MP4Demuxer.findBox(trak, ['tkhd'])[0]; - if (tkhd) { - var version = tkhd[0]; - var index = version === 0 ? 12 : 20; - var trackId = MP4Demuxer.readUint32(tkhd, index); - - var mdhd = MP4Demuxer.findBox(trak, ['mdia', 'mdhd'])[0]; - if (mdhd) { - version = mdhd[0]; - index = version === 0 ? 12 : 20; - var timescale = MP4Demuxer.readUint32(mdhd, index); - - var hdlr = MP4Demuxer.findBox(trak, ['mdia', 'hdlr'])[0]; - if (hdlr) { - var hdlrType = MP4Demuxer.bin2str(hdlr.subarray(8, 12)); - var type = { 'soun': 'audio', 'vide': 'video' }[hdlrType]; - if (type) { - result[trackId] = { timescale: timescale, type: type }; - result[type] = { timescale: timescale, id: trackId }; - } - } - } - } - }); - return result; - } + return AbrController; +}(event_handler); - /** - * Determine the base media decode start time, in seconds, for an MP4 - * fragment. If multiple fragments are specified, the earliest time is - * returned. - * - * The base media decode time can be parsed from track fragment - * metadata: - * ``` - * moof > traf > tfdt.baseMediaDecodeTime - * ``` - * It requires the timescale value from the mdhd to interpret. - * - * @param timescale {object} a hash of track ids to timescale values. - * @return {number} the earliest base media decode start time for the - * fragment, in seconds - */ +/* harmony default export */ var abr_controller = (abr_controller_AbrController); +// CONCATENATED MODULE: ./src/controller/buffer-controller.js +function buffer_controller__classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } - }, { - key: 'startDTS', - value: function startDTS(initData, fragment) { - var trafs, baseTimes, result; +function buffer_controller__possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; } - // we need info from two childrend of each track fragment box - trafs = MP4Demuxer.findBox(fragment, ['moof', 'traf']); +function buffer_controller__inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } - // determine the start times for each track - baseTimes = [].concat.apply([], trafs.map(function (traf) { - return MP4Demuxer.findBox(traf, ['tfhd']).map(function (tfhd) { - var id, scale, baseTime; +/* + * Buffer Controller +*/ - // get the track id from the tfhd - id = MP4Demuxer.readUint32(tfhd, 4); - // assume a 90kHz clock if no timescale was specified - scale = initData[id].timescale || 90e3; - // get the base media decode time from the tfdt - baseTime = MP4Demuxer.findBox(traf, ['tfdt']).map(function (tfdt) { - var version, result; - version = tfdt[0]; - result = MP4Demuxer.readUint32(tfdt, 4); - if (version === 1) { - result *= Math.pow(2, 32); - result += MP4Demuxer.readUint32(tfdt, 8); - } - return result; - })[0]; - baseTime = baseTime || Infinity; - // convert base time to seconds - return baseTime / scale; - }); - })); - // return the minimum - result = Math.min.apply(null, baseTimes); - return isFinite(result) ? result : 0; - } - }]); - return MP4Demuxer; -}(); +var buffer_controller_MediaSource = getMediaSource(); -exports.default = MP4Demuxer; +var buffer_controller_BufferController = function (_EventHandler) { + buffer_controller__inherits(BufferController, _EventHandler); -},{"35":35}],30:[function(_dereq_,module,exports){ -'use strict'; + function BufferController(hls) { + buffer_controller__classCallCheck(this, BufferController); -var _logger = _dereq_(53); + // the value that we have set mediasource.duration to + // (the actual duration may be tweaked slighly by the browser) + var _this = buffer_controller__possibleConstructorReturn(this, _EventHandler.call(this, hls, events["a" /* default */].MEDIA_ATTACHING, events["a" /* default */].MEDIA_DETACHING, events["a" /* default */].MANIFEST_PARSED, events["a" /* default */].BUFFER_RESET, events["a" /* default */].BUFFER_APPENDING, events["a" /* default */].BUFFER_CODECS, events["a" /* default */].BUFFER_EOS, events["a" /* default */].BUFFER_FLUSHING, events["a" /* default */].LEVEL_PTS_UPDATED, events["a" /* default */].LEVEL_UPDATED)); -var MpegAudio = { + _this._msDuration = null; + // the value that we want to set mediaSource.duration to + _this._levelDuration = null; - onFrame: function onFrame(track, data, bitRate, sampleRate, channelCount, frameIndex, pts) { - var frameDuration = 1152 * 90000 / sampleRate; - var stamp = pts + frameIndex * frameDuration; + // Source Buffer listeners + _this.onsbue = _this.onSBUpdateEnd.bind(_this); + _this.onsbe = _this.onSBUpdateError.bind(_this); + _this.pendingTracks = {}; + _this.tracks = {}; + return _this; + } - track.config = []; - track.channelCount = channelCount; - track.samplerate = sampleRate; - track.samples.push({ unit: data, pts: stamp, dts: stamp }); - track.len += data.length; - }, + BufferController.prototype.destroy = function destroy() { + event_handler.prototype.destroy.call(this); + }; - onNoise: function onNoise(data) { - _logger.logger.warn('mpeg audio has noise: ' + data.length + ' bytes'); - }, + BufferController.prototype.onLevelPtsUpdated = function onLevelPtsUpdated(data) { + var type = data.type; + var audioTrack = this.tracks.audio; - parseFrames: function parseFrames(track, data, start, end, frameIndex, pts) { - var BitratesMap = [32, 64, 96, 128, 160, 192, 224, 256, 288, 320, 352, 384, 416, 448, 32, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320, 384, 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320, 32, 48, 56, 64, 80, 96, 112, 128, 144, 160, 176, 192, 224, 256, 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160]; - var SamplingRateMap = [44100, 48000, 32000, 22050, 24000, 16000, 11025, 12000, 8000]; + // Adjusting `SourceBuffer.timestampOffset` (desired point in the timeline where the next frames should be appended) + // in Chrome browser when we detect MPEG audio container and time delta between level PTS and `SourceBuffer.timestampOffset` + // is greater than 100ms (this is enough to handle seek for VOD or level change for LIVE videos). At the time of change we issue + // `SourceBuffer.abort()` and adjusting `SourceBuffer.timestampOffset` if `SourceBuffer.updating` is false or awaiting `updateend` + // event if SB is in updating state. + // More info here: https://github.com/video-dev/hls.js/issues/332#issuecomment-257986486 - if (start + 2 > end) { - return -1; // we need at least 2 bytes to detect sync pattern - } - if (data[start] === 0xFF || (data[start + 1] & 0xE0) === 0xE0) { - // Using http://www.datavoyage.com/mpgscript/mpeghdr.htm as a reference - if (start + 24 > end) { - return -1; - } - var headerB = data[start + 1] >> 3 & 3; - var headerC = data[start + 1] >> 1 & 3; - var headerE = data[start + 2] >> 4 & 15; - var headerF = data[start + 2] >> 2 & 3; - var headerG = !!(data[start + 2] & 2); - if (headerB !== 1 && headerE !== 0 && headerE !== 15 && headerF !== 3) { - var columnInBitrates = headerB === 3 ? 3 - headerC : headerC === 3 ? 3 : 4; - var bitRate = BitratesMap[columnInBitrates * 14 + headerE - 1] * 1000; - var columnInSampleRates = headerB === 3 ? 0 : headerB === 2 ? 1 : 2; - var sampleRate = SamplingRateMap[columnInSampleRates * 3 + headerF]; - var padding = headerG ? 1 : 0; - var channelCount = data[start + 3] >> 6 === 3 ? 1 : 2; // If bits of channel mode are `11` then it is a single channel (Mono) - var frameLength = headerC === 3 ? (headerB === 3 ? 12 : 6) * bitRate / sampleRate + padding << 2 : (headerB === 3 ? 144 : 72) * bitRate / sampleRate + padding | 0; - if (start + frameLength > end) { - return -1; - } + if (type === 'audio' && audioTrack && audioTrack.container === 'audio/mpeg') { + // Chrome audio mp3 track + var audioBuffer = this.sourceBuffer.audio; + var delta = Math.abs(audioBuffer.timestampOffset - data.start); - this.onFrame(track, data.subarray(start, start + frameLength), bitRate, sampleRate, channelCount, frameIndex, pts); + // adjust timestamp offset if time delta is greater than 100ms + if (delta > 0.1) { + var updating = audioBuffer.updating; - return frameLength; - } + try { + audioBuffer.abort(); + } catch (err) { + updating = true; + logger["b" /* logger */].warn('can not abort audio buffer: ' + err); } - // noise or ID3, trying to skip - var offset = start + 2; - while (offset < end) { - if (data[offset - 1] === 0xFF && (data[offset] & 0xE0) === 0xE0) { - // sync pattern is found - this.onNoise(data.subarray(start, offset - 1)); - return offset - start - 1; - } - offset++; + if (!updating) { + logger["b" /* logger */].warn('change mpeg audio timestamp offset from ' + audioBuffer.timestampOffset + ' to ' + data.start); + audioBuffer.timestampOffset = data.start; + } else { + this.audioTimestampOffset = data.start; } - return -1; - }, + } + } + }; - parse: function parse(track, data, offset, pts) { - var length = data.length; - var frameIndex = 0; - var parsed; + BufferController.prototype.onManifestParsed = function onManifestParsed(data) { + var audioExpected = data.audio, + videoExpected = data.video || data.levels.length && data.audio, + sourceBufferNb = 0; + // in case of alt audio 2 BUFFER_CODECS events will be triggered, one per stream controller + // sourcebuffers will be created all at once when the expected nb of tracks will be reached + // in case alt audio is not used, only one BUFFER_CODEC event will be fired from main stream controller + // it will contain the expected nb of source buffers, no need to compute it + if (data.altAudio && (audioExpected || videoExpected)) { + sourceBufferNb = (audioExpected ? 1 : 0) + (videoExpected ? 1 : 0); + logger["b" /* logger */].log(sourceBufferNb + ' sourceBuffer(s) expected'); + } + this.sourceBufferNb = sourceBufferNb; + }; - while (offset < length && (parsed = this.parseFrames(track, data, offset, length, frameIndex++, pts)) > 0) { - offset += parsed; + BufferController.prototype.onMediaAttaching = function onMediaAttaching(data) { + var media = this.media = data.media; + if (media) { + // setup the media source + var ms = this.mediaSource = new buffer_controller_MediaSource(); + //Media Source listeners + this.onmso = this.onMediaSourceOpen.bind(this); + this.onmse = this.onMediaSourceEnded.bind(this); + this.onmsc = this.onMediaSourceClose.bind(this); + ms.addEventListener('sourceopen', this.onmso); + ms.addEventListener('sourceended', this.onmse); + ms.addEventListener('sourceclose', this.onmsc); + // link video and media Source + media.src = URL.createObjectURL(ms); + } + }; + + BufferController.prototype.onMediaDetaching = function onMediaDetaching() { + logger["b" /* logger */].log('media source detaching'); + var ms = this.mediaSource; + if (ms) { + if (ms.readyState === 'open') { + try { + // endOfStream could trigger exception if any sourcebuffer is in updating state + // we don't really care about checking sourcebuffer state here, + // as we are anyway detaching the MediaSource + // let's just avoid this exception to propagate + ms.endOfStream(); + } catch (err) { + logger["b" /* logger */].warn('onMediaDetaching:' + err.message + ' while calling endOfStream'); } - } -}; /** - * MPEG parser helper - */ + } + ms.removeEventListener('sourceopen', this.onmso); + ms.removeEventListener('sourceended', this.onmse); + ms.removeEventListener('sourceclose', this.onmsc); + // Detach properly the MediaSource from the HTMLMediaElement as + // suggested in https://github.com/w3c/media-source/issues/53. + if (this.media) { + URL.revokeObjectURL(this.media.src); + this.media.removeAttribute('src'); + this.media.load(); + } -module.exports = MpegAudio; + this.mediaSource = null; + this.media = null; + this.pendingTracks = {}; + this.tracks = {}; + this.sourceBuffer = {}; + this.flushRange = []; + this.segments = []; + this.appended = 0; + } + this.onmso = this.onmse = this.onmsc = null; + this.hls.trigger(events["a" /* default */].MEDIA_DETACHED); + }; -},{"53":53}],31:[function(_dereq_,module,exports){ -'use strict'; + BufferController.prototype.onMediaSourceOpen = function onMediaSourceOpen() { + logger["b" /* logger */].log('media source opened'); + this.hls.trigger(events["a" /* default */].MEDIA_ATTACHED, { media: this.media }); + var mediaSource = this.mediaSource; + if (mediaSource) { + // once received, don't listen anymore to sourceopen event + mediaSource.removeEventListener('sourceopen', this.onmso); + } + this.checkPendingTracks(); + }; -Object.defineProperty(exports, "__esModule", { - value: true -}); + BufferController.prototype.checkPendingTracks = function checkPendingTracks() { + // if any buffer codecs pending, check if we have enough to create sourceBuffers + var pendingTracks = this.pendingTracks, + pendingTracksNb = Object.keys(pendingTracks).length; + // if any pending tracks and (if nb of pending tracks gt or equal than expected nb or if unknown expected nb) + if (pendingTracksNb && (this.sourceBufferNb <= pendingTracksNb || this.sourceBufferNb === 0)) { + // ok, let's create them now ! + this.createSourceBuffers(pendingTracks); + this.pendingTracks = {}; + // append any pending segments now ! + this.doAppending(); + } + }; -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); /** - * SAMPLE-AES decrypter - */ + BufferController.prototype.onMediaSourceClose = function onMediaSourceClose() { + logger["b" /* logger */].log('media source closed'); + }; -var _decrypter = _dereq_(19); + BufferController.prototype.onMediaSourceEnded = function onMediaSourceEnded() { + logger["b" /* logger */].log('media source ended'); + }; -var _decrypter2 = _interopRequireDefault(_decrypter); + BufferController.prototype.onSBUpdateEnd = function onSBUpdateEnd() { + // update timestampOffset + if (this.audioTimestampOffset) { + var audioBuffer = this.sourceBuffer.audio; + logger["b" /* logger */].warn('change mpeg audio timestamp offset from ' + audioBuffer.timestampOffset + ' to ' + this.audioTimestampOffset); + audioBuffer.timestampOffset = this.audioTimestampOffset; + delete this.audioTimestampOffset; + } -function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + if (this._needsFlush) { + this.doFlush(); + } -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + if (this._needsEos) { + this.checkEos(); + } + this.appending = false; + var parent = this.parent; + // count nb of pending segments waiting for appending on this sourcebuffer + var pending = this.segments.reduce(function (counter, segment) { + return segment.parent === parent ? counter + 1 : counter; + }, 0); + this.hls.trigger(events["a" /* default */].BUFFER_APPENDED, { parent: parent, pending: pending }); -var SampleAesDecrypter = function () { - function SampleAesDecrypter(observer, config, decryptdata, discardEPB) { - _classCallCheck(this, SampleAesDecrypter); + // don't append in flushing mode + if (!this._needsFlush) { + this.doAppending(); + } - this.decryptdata = decryptdata; - this.discardEPB = discardEPB; - this.decrypter = new _decrypter2.default(observer, config); - } + this.updateMediaElementDuration(); + }; - _createClass(SampleAesDecrypter, [{ - key: 'decryptBuffer', - value: function decryptBuffer(encryptedData, callback) { - this.decrypter.decrypt(encryptedData, this.decryptdata.key.buffer, this.decryptdata.iv.buffer, callback); - } + BufferController.prototype.onSBUpdateError = function onSBUpdateError(event) { + logger["b" /* logger */].error('sourceBuffer error:', event); + // according to http://www.w3.org/TR/media-source/#sourcebuffer-append-error + // this error might not always be fatal (it is fatal if decode error is set, in that case + // it will be followed by a mediaElement error ...) + this.hls.trigger(events["a" /* default */].ERROR, { type: errors["b" /* ErrorTypes */].MEDIA_ERROR, details: errors["a" /* ErrorDetails */].BUFFER_APPENDING_ERROR, fatal: false }); + // we don't need to do more than that, as accordin to the spec, updateend will be fired just after + }; - // AAC - encrypt all full 16 bytes blocks starting from offset 16 + BufferController.prototype.onBufferReset = function onBufferReset() { + var sourceBuffer = this.sourceBuffer; + for (var type in sourceBuffer) { + var sb = sourceBuffer[type]; + try { + this.mediaSource.removeSourceBuffer(sb); + sb.removeEventListener('updateend', this.onsbue); + sb.removeEventListener('error', this.onsbe); + } catch (err) {} + } + this.sourceBuffer = {}; + this.flushRange = []; + this.segments = []; + this.appended = 0; + }; - }, { - key: 'decryptAacSample', - value: function decryptAacSample(samples, sampleIndex, callback, sync) { - var curUnit = samples[sampleIndex].unit; - var encryptedData = curUnit.subarray(16, curUnit.length - curUnit.length % 16); - var encryptedBuffer = encryptedData.buffer.slice(encryptedData.byteOffset, encryptedData.byteOffset + encryptedData.length); + BufferController.prototype.onBufferCodecs = function onBufferCodecs(tracks) { + // if source buffer(s) not created yet, appended buffer tracks in this.pendingTracks + // if sourcebuffers already created, do nothing ... + if (Object.keys(this.sourceBuffer).length === 0) { + for (var trackName in tracks) { + this.pendingTracks[trackName] = tracks[trackName]; + } + var mediaSource = this.mediaSource; + if (mediaSource && mediaSource.readyState === 'open') { + // try to create sourcebuffers if mediasource opened + this.checkPendingTracks(); + } + } + }; - var localthis = this; - this.decryptBuffer(encryptedBuffer, function (decryptedData) { - decryptedData = new Uint8Array(decryptedData); - curUnit.set(decryptedData, 16); + BufferController.prototype.createSourceBuffers = function createSourceBuffers(tracks) { + var sourceBuffer = this.sourceBuffer, + mediaSource = this.mediaSource; - if (!sync) { - localthis.decryptAacSamples(samples, sampleIndex + 1, callback); + for (var trackName in tracks) { + if (!sourceBuffer[trackName]) { + var track = tracks[trackName]; + // use levelCodec as first priority + var codec = track.levelCodec || track.codec; + var mimeType = track.container + ';codecs=' + codec; + logger["b" /* logger */].log('creating sourceBuffer(' + mimeType + ')'); + try { + var sb = sourceBuffer[trackName] = mediaSource.addSourceBuffer(mimeType); + sb.addEventListener('updateend', this.onsbue); + sb.addEventListener('error', this.onsbe); + this.tracks[trackName] = { codec: codec, container: track.container }; + track.buffer = sb; + } catch (err) { + logger["b" /* logger */].error('error while trying to add sourceBuffer:' + err.message); + this.hls.trigger(events["a" /* default */].ERROR, { type: errors["b" /* ErrorTypes */].MEDIA_ERROR, details: errors["a" /* ErrorDetails */].BUFFER_ADD_CODEC_ERROR, fatal: false, err: err, mimeType: mimeType }); } - }); + } } - }, { - key: 'decryptAacSamples', - value: function decryptAacSamples(samples, sampleIndex, callback) { - for (;; sampleIndex++) { - if (sampleIndex >= samples.length) { - callback(); - return; - } + this.hls.trigger(events["a" /* default */].BUFFER_CREATED, { tracks: tracks }); + }; - if (samples[sampleIndex].unit.length < 32) { - continue; - } + BufferController.prototype.onBufferAppending = function onBufferAppending(data) { + if (!this._needsFlush) { + if (!this.segments) { + this.segments = [data]; + } else { + this.segments.push(data); + } + this.doAppending(); + } + }; - var sync = this.decrypter.isSync(); + BufferController.prototype.onBufferAppendFail = function onBufferAppendFail(data) { + logger["b" /* logger */].error('sourceBuffer error:', data.event); + // according to http://www.w3.org/TR/media-source/#sourcebuffer-append-error + // this error might not always be fatal (it is fatal if decode error is set, in that case + // it will be followed by a mediaElement error ...) + this.hls.trigger(events["a" /* default */].ERROR, { type: errors["b" /* ErrorTypes */].MEDIA_ERROR, details: errors["a" /* ErrorDetails */].BUFFER_APPENDING_ERROR, fatal: false }); + }; - this.decryptAacSample(samples, sampleIndex, callback, sync); + // on BUFFER_EOS mark matching sourcebuffer(s) as ended and trigger checkEos() - if (!sync) { - return; + + BufferController.prototype.onBufferEos = function onBufferEos(data) { + var sb = this.sourceBuffer; + var dataType = data.type; + for (var type in sb) { + if (!dataType || type === dataType) { + if (!sb[type].ended) { + sb[type].ended = true; + logger["b" /* logger */].log(type + ' sourceBuffer now EOS'); } } } + this.checkEos(); + }; - // AVC - encrypt one 16 bytes block out of ten, starting from offset 32 + // if all source buffers are marked as ended, signal endOfStream() to MediaSource. - }, { - key: 'getAvcEncryptedData', - value: function getAvcEncryptedData(decodedData) { - var encryptedDataLen = Math.floor((decodedData.length - 48) / 160) * 16 + 16; - var encryptedData = new Int8Array(encryptedDataLen); - var outputPos = 0; - for (var inputPos = 32; inputPos <= decodedData.length - 16; inputPos += 160, outputPos += 16) { - encryptedData.set(decodedData.subarray(inputPos, inputPos + 16), outputPos); + + BufferController.prototype.checkEos = function checkEos() { + var sb = this.sourceBuffer, + mediaSource = this.mediaSource; + if (!mediaSource || mediaSource.readyState !== 'open') { + this._needsEos = false; + return; + } + for (var type in sb) { + var sbobj = sb[type]; + if (!sbobj.ended) { + return; + } + if (sbobj.updating) { + this._needsEos = true; + return; } - return encryptedData; } - }, { - key: 'getAvcDecryptedUnit', - value: function getAvcDecryptedUnit(decodedData, decryptedData) { - decryptedData = new Uint8Array(decryptedData); - var inputPos = 0; - for (var outputPos = 32; outputPos <= decodedData.length - 16; outputPos += 160, inputPos += 16) { - decodedData.set(decryptedData.subarray(inputPos, inputPos + 16), outputPos); + logger["b" /* logger */].log('all media data available, signal endOfStream() to MediaSource and stop loading fragment'); + //Notify the media element that it now has all of the media data + try { + mediaSource.endOfStream(); + } catch (e) { + logger["b" /* logger */].warn('exception while calling mediaSource.endOfStream()'); + } + this._needsEos = false; + }; + + BufferController.prototype.onBufferFlushing = function onBufferFlushing(data) { + this.flushRange.push({ start: data.startOffset, end: data.endOffset, type: data.type }); + // attempt flush immediatly + this.flushBufferCounter = 0; + this.doFlush(); + }; + + BufferController.prototype.onLevelUpdated = function onLevelUpdated(event) { + var details = event.details; + if (details.fragments.length === 0) { + return; + } + this._levelDuration = details.totalduration + details.fragments[0].start; + this.updateMediaElementDuration(); + }; + + // https://github.com/video-dev/hls.js/issues/355 + + + BufferController.prototype.updateMediaElementDuration = function updateMediaElementDuration() { + var media = this.media, + mediaSource = this.mediaSource, + sourceBuffer = this.sourceBuffer, + levelDuration = this._levelDuration; + if (levelDuration === null || !media || !mediaSource || !sourceBuffer || media.readyState === 0 || mediaSource.readyState !== 'open') { + return; + } + for (var type in sourceBuffer) { + if (sourceBuffer[type].updating) { + // can't set duration whilst a buffer is updating + return; } - return decodedData; } - }, { - key: 'decryptAvcSample', - value: function decryptAvcSample(samples, sampleIndex, unitIndex, callback, curUnit, sync) { - var decodedData = this.discardEPB(curUnit.data); - var encryptedData = this.getAvcEncryptedData(decodedData); - var localthis = this; + if (this._msDuration === null) { + // initialise to the value that the media source is reporting + this._msDuration = mediaSource.duration; + } + var duration = media.duration; + // levelDuration was the last value we set. + // not using mediaSource.duration as the browser may tweak this value + // only update mediasource duration if its value increase, this is to avoid + // flushing already buffered portion when switching between quality level + if (levelDuration > this._msDuration && levelDuration > duration || duration === Infinity || isNaN(duration)) { + logger["b" /* logger */].log('Updating mediasource duration to ' + levelDuration.toFixed(3)); + this._msDuration = mediaSource.duration = levelDuration; + } + }; - this.decryptBuffer(encryptedData.buffer, function (decryptedData) { - curUnit.data = localthis.getAvcDecryptedUnit(decodedData, decryptedData); + BufferController.prototype.doFlush = function doFlush() { + // loop through all buffer ranges to flush + while (this.flushRange.length) { + var range = this.flushRange[0]; + // flushBuffer will abort any buffer append in progress and flush Audio/Video Buffer + if (this.flushBuffer(range.start, range.end, range.type)) { + // range flushed, remove from flush array + this.flushRange.shift(); + this.flushBufferCounter = 0; + } else { + this._needsFlush = true; + // avoid looping, wait for SB update end to retrigger a flush + return; + } + } + if (this.flushRange.length === 0) { + // everything flushed + this._needsFlush = false; - if (!sync) { - localthis.decryptAvcSamples(samples, sampleIndex, unitIndex + 1, callback); + // let's recompute this.appended, which is used to avoid flush looping + var appended = 0; + var sourceBuffer = this.sourceBuffer; + try { + for (var type in sourceBuffer) { + appended += sourceBuffer[type].buffered.length; } - }); + } catch (error) { + // error could be thrown while accessing buffered, in case sourcebuffer has already been removed from MediaSource + // this is harmess at this stage, catch this to avoid reporting an internal exception + logger["b" /* logger */].error('error while accessing sourceBuffer.buffered'); + } + this.appended = appended; + this.hls.trigger(events["a" /* default */].BUFFER_FLUSHED); } - }, { - key: 'decryptAvcSamples', - value: function decryptAvcSamples(samples, sampleIndex, unitIndex, callback) { - for (;; sampleIndex++, unitIndex = 0) { - if (sampleIndex >= samples.length) { - callback(); - return; - } + }; - var curUnits = samples[sampleIndex].units; - for (;; unitIndex++) { - if (unitIndex >= curUnits.length) { - break; + BufferController.prototype.doAppending = function doAppending() { + var hls = this.hls, + sourceBuffer = this.sourceBuffer, + segments = this.segments; + if (Object.keys(sourceBuffer).length) { + if (this.media.error) { + this.segments = []; + logger["b" /* logger */].error('trying to append although a media error occured, flush segment and abort'); + return; + } + if (this.appending) { + //logger.log(`sb appending in progress`); + return; + } + if (segments && segments.length) { + var segment = segments.shift(); + try { + var type = segment.type, + sb = sourceBuffer[type]; + if (sb) { + if (!sb.updating) { + // reset sourceBuffer ended flag before appending segment + sb.ended = false; + //logger.log(`appending ${segment.content} ${type} SB, size:${segment.data.length}, ${segment.parent}`); + this.parent = segment.parent; + sb.appendBuffer(segment.data); + this.appendError = 0; + this.appended++; + this.appending = true; + } else { + segments.unshift(segment); + } + } else { + // in case we don't have any source buffer matching with this segment type, + // it means that Mediasource fails to create sourcebuffer + // discard this segment, and trigger update end + this.onSBUpdateEnd(); } - - var curUnit = curUnits[unitIndex]; - if (curUnit.length <= 48 || curUnit.type !== 1 && curUnit.type !== 5) { - continue; + } catch (err) { + // in case any error occured while appending, put back segment in segments table + logger["b" /* logger */].error('error while trying to append buffer:' + err.message); + segments.unshift(segment); + var event = { type: errors["b" /* ErrorTypes */].MEDIA_ERROR, parent: segment.parent }; + if (err.code !== 22) { + if (this.appendError) { + this.appendError++; + } else { + this.appendError = 1; + } + event.details = errors["a" /* ErrorDetails */].BUFFER_APPEND_ERROR; + /* with UHD content, we could get loop of quota exceeded error until + browser is able to evict some data from sourcebuffer. retrying help recovering this + */ + if (this.appendError > hls.config.appendErrorMaxRetry) { + logger["b" /* logger */].log('fail ' + hls.config.appendErrorMaxRetry + ' times to append segment in sourceBuffer'); + segments = []; + event.fatal = true; + hls.trigger(events["a" /* default */].ERROR, event); + return; + } else { + event.fatal = false; + hls.trigger(events["a" /* default */].ERROR, event); + } + } else { + // QuotaExceededError: http://www.w3.org/TR/html5/infrastructure.html#quotaexceedederror + // let's stop appending any segments, and report BUFFER_FULL_ERROR error + this.segments = []; + event.details = errors["a" /* ErrorDetails */].BUFFER_FULL_ERROR; + event.fatal = false; + hls.trigger(events["a" /* default */].ERROR, event); + return; } + } + } + } + }; - var sync = this.decrypter.isSync(); + /* + flush specified buffered range, + return true once range has been flushed. + as sourceBuffer.remove() is asynchronous, flushBuffer will be retriggered on sourceBuffer update end + */ - this.decryptAvcSample(samples, sampleIndex, unitIndex, callback, curUnit, sync); - if (!sync) { - return; + BufferController.prototype.flushBuffer = function flushBuffer(startOffset, endOffset, typeIn) { + var sb, + i, + bufStart, + bufEnd, + flushStart, + flushEnd, + sourceBuffer = this.sourceBuffer; + if (Object.keys(sourceBuffer).length) { + logger["b" /* logger */].log('flushBuffer,pos/start/end: ' + this.media.currentTime.toFixed(3) + '/' + startOffset + '/' + endOffset); + // safeguard to avoid infinite looping : don't try to flush more than the nb of appended segments + if (this.flushBufferCounter < this.appended) { + for (var type in sourceBuffer) { + // check if sourcebuffer type is defined (typeIn): if yes, let's only flush this one + // if no, let's flush all sourcebuffers + if (typeIn && type !== typeIn) { + continue; + } + sb = sourceBuffer[type]; + // we are going to flush buffer, mark source buffer as 'not ended' + sb.ended = false; + if (!sb.updating) { + try { + for (i = 0; i < sb.buffered.length; i++) { + bufStart = sb.buffered.start(i); + bufEnd = sb.buffered.end(i); + // workaround firefox not able to properly flush multiple buffered range. + if (navigator.userAgent.toLowerCase().indexOf('firefox') !== -1 && endOffset === Number.POSITIVE_INFINITY) { + flushStart = startOffset; + flushEnd = endOffset; + } else { + flushStart = Math.max(bufStart, startOffset); + flushEnd = Math.min(bufEnd, endOffset); + } + /* sometimes sourcebuffer.remove() does not flush + the exact expected time range. + to avoid rounding issues/infinite loop, + only flush buffer range of length greater than 500ms. + */ + if (Math.min(flushEnd, bufEnd) - flushStart > 0.5) { + this.flushBufferCounter++; + logger["b" /* logger */].log('flush ' + type + ' [' + flushStart + ',' + flushEnd + '], of [' + bufStart + ',' + bufEnd + '], pos:' + this.media.currentTime); + sb.remove(flushStart, flushEnd); + return false; + } + } + } catch (e) { + logger["b" /* logger */].warn('exception while accessing sourcebuffer, it might have been removed from MediaSource'); + } + } else { + //logger.log('abort ' + type + ' append in progress'); + // this will abort any appending in progress + //sb.abort(); + logger["b" /* logger */].warn('cannot flush, sb updating in progress'); + return false; } } + } else { + logger["b" /* logger */].warn('abort flushing too many retries'); } + logger["b" /* logger */].log('buffer flushed'); } - }]); + // everything flushed ! + return true; + }; - return SampleAesDecrypter; -}(); + return BufferController; +}(event_handler); -exports.default = SampleAesDecrypter; +/* harmony default export */ var buffer_controller = (buffer_controller_BufferController); +// CONCATENATED MODULE: ./src/controller/cap-level-controller.js +var cap_level_controller__createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); -},{"19":19}],32:[function(_dereq_,module,exports){ -'use strict'; +function cap_level_controller__classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } -Object.defineProperty(exports, "__esModule", { - value: true -}); +function cap_level_controller__possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; } -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); /** - * highly optimized TS demuxer: - * parse PAT, PMT - * extract PES packet from audio and video PIDs - * extract AVC/H264 NAL units and AAC/ADTS samples from PES packet - * trigger the remuxer upon parsing completion - * it also tries to workaround as best as it can audio codec switch (HE-AAC to AAC and vice versa), without having to restart the MediaSource. - * it also controls the remuxing process : - * upon discontinuity or level switch detection, it will also notifies the remuxer so that it can reset its state. - */ +function cap_level_controller__inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } -// import Hex from '../utils/hex'; +/* + * cap stream level to media size dimension controller +*/ -var _adts = _dereq_(22); -var _adts2 = _interopRequireDefault(_adts); -var _mpegaudio = _dereq_(30); +var cap_level_controller_CapLevelController = function (_EventHandler) { + cap_level_controller__inherits(CapLevelController, _EventHandler); -var _mpegaudio2 = _interopRequireDefault(_mpegaudio); + function CapLevelController(hls) { + cap_level_controller__classCallCheck(this, CapLevelController); -var _events = _dereq_(35); + return cap_level_controller__possibleConstructorReturn(this, _EventHandler.call(this, hls, events["a" /* default */].FPS_DROP_LEVEL_CAPPING, events["a" /* default */].MEDIA_ATTACHING, events["a" /* default */].MANIFEST_PARSED)); + } -var _events2 = _interopRequireDefault(_events); + CapLevelController.prototype.destroy = function destroy() { + if (this.hls.config.capLevelToPlayerSize) { + this.media = this.restrictedLevels = null; + this.autoLevelCapping = Number.POSITIVE_INFINITY; + if (this.timer) { + this.timer = clearInterval(this.timer); + } + } + }; -var _expGolomb = _dereq_(26); + CapLevelController.prototype.onFpsDropLevelCapping = function onFpsDropLevelCapping(data) { + // Don't add a restricted level more than once + if (CapLevelController.isLevelAllowed(data.droppedLevel, this.restrictedLevels)) { + this.restrictedLevels.push(data.droppedLevel); + } + }; -var _expGolomb2 = _interopRequireDefault(_expGolomb); + CapLevelController.prototype.onMediaAttaching = function onMediaAttaching(data) { + this.media = data.media instanceof HTMLVideoElement ? data.media : null; + }; -var _sampleAes = _dereq_(31); + CapLevelController.prototype.onManifestParsed = function onManifestParsed(data) { + var hls = this.hls; + this.restrictedLevels = []; + if (hls.config.capLevelToPlayerSize) { + this.autoLevelCapping = Number.POSITIVE_INFINITY; + this.levels = data.levels; + hls.firstLevel = this.getMaxLevel(data.firstLevel); + clearInterval(this.timer); + this.timer = setInterval(this.detectPlayerSize.bind(this), 1000); + this.detectPlayerSize(); + } + }; -var _sampleAes2 = _interopRequireDefault(_sampleAes); + CapLevelController.prototype.detectPlayerSize = function detectPlayerSize() { + if (this.media) { + var levelsLength = this.levels ? this.levels.length : 0; + if (levelsLength) { + var hls = this.hls; + hls.autoLevelCapping = this.getMaxLevel(levelsLength - 1); + if (hls.autoLevelCapping > this.autoLevelCapping) { + // if auto level capping has a higher value for the previous one, flush the buffer using nextLevelSwitch + // usually happen when the user go to the fullscreen mode. + hls.streamController.nextLevelSwitch(); + } + this.autoLevelCapping = hls.autoLevelCapping; + } + } + }; -var _logger = _dereq_(53); + /* + * returns level should be the one with the dimensions equal or greater than the media (player) dimensions (so the video will be downscaled) + */ -var _errors = _dereq_(33); -function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + CapLevelController.prototype.getMaxLevel = function getMaxLevel(capLevelIndex) { + var _this2 = this; -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + if (!this.levels) { + return -1; + } -var TSDemuxer = function () { - function TSDemuxer(observer, remuxer, config, typeSupported) { - _classCallCheck(this, TSDemuxer); + var validLevels = this.levels.filter(function (level, index) { + return CapLevelController.isLevelAllowed(index, _this2.restrictedLevels) && index <= capLevelIndex; + }); - this.observer = observer; - this.config = config; - this.typeSupported = typeSupported; - this.remuxer = remuxer; - this.sampleAes = null; - } + return CapLevelController.getMaxLevelByMediaSize(validLevels, this.mediaWidth, this.mediaHeight); + }; - _createClass(TSDemuxer, [{ - key: 'setDecryptData', - value: function setDecryptData(decryptdata) { - if (decryptdata != null && decryptdata.key != null && decryptdata.method === 'SAMPLE-AES') { - this.sampleAes = new _sampleAes2.default(this.observer, this.config, decryptdata, this.discardEPB); - } else { - this.sampleAes = null; - } - } - }, { - key: 'resetInitSegment', - value: function resetInitSegment(initSegment, audioCodec, videoCodec, duration) { - this.pmtParsed = false; - this._pmtId = -1; - this._avcTrack = { container: 'video/mp2t', type: 'video', id: -1, inputTimeScale: 90000, sequenceNumber: 0, samples: [], len: 0, dropped: 0 }; - this._audioTrack = { container: 'video/mp2t', type: 'audio', id: -1, inputTimeScale: 90000, duration: duration, sequenceNumber: 0, samples: [], len: 0, isAAC: true }; - this._id3Track = { type: 'id3', id: -1, inputTimeScale: 90000, sequenceNumber: 0, samples: [], len: 0 }; - this._txtTrack = { type: 'text', id: -1, inputTimeScale: 90000, sequenceNumber: 0, samples: [], len: 0 }; - // flush any partial content - this.aacOverFlow = null; - this.aacLastPTS = null; - this.avcSample = null; - this.audioCodec = audioCodec; - this.videoCodec = videoCodec; - this._duration = duration; - } - }, { - key: 'resetTimeStamp', - value: function resetTimeStamp() {} + CapLevelController.isLevelAllowed = function isLevelAllowed(level) { + var restrictedLevels = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : []; - // feed incoming data to the front of the parsing pipeline + return restrictedLevels.indexOf(level) === -1; + }; - }, { - key: 'append', - value: function append(data, timeOffset, contiguous, accurateTimeOffset) { - var start, - len = data.length, - stt, - pid, - atf, - offset, - pes, - unknownPIDs = false; - this.contiguous = contiguous; - var pmtParsed = this.pmtParsed, - avcTrack = this._avcTrack, - audioTrack = this._audioTrack, - id3Track = this._id3Track, - avcId = avcTrack.id, - audioId = audioTrack.id, - id3Id = id3Track.id, - pmtId = this._pmtId, - avcData = avcTrack.pesData, - audioData = audioTrack.pesData, - id3Data = id3Track.pesData, - parsePAT = this._parsePAT, - parsePMT = this._parsePMT, - parsePES = this._parsePES, - parseAVCPES = this._parseAVCPES.bind(this), - parseAACPES = this._parseAACPES.bind(this), - parseMPEGPES = this._parseMPEGPES.bind(this), - parseID3PES = this._parseID3PES.bind(this); - - // don't parse last TS packet if incomplete - len -= len % 188; - // loop through TS packets - for (start = 0; start < len; start += 188) { - if (data[start] === 0x47) { - stt = !!(data[start + 1] & 0x40); - // pid is a 13-bit field starting at the last bit of TS[1] - pid = ((data[start + 1] & 0x1f) << 8) + data[start + 2]; - atf = (data[start + 3] & 0x30) >> 4; - // if an adaption field is present, its length is specified by the fifth byte of the TS packet header. - if (atf > 1) { - offset = start + 5 + data[start + 4]; - // continue if there is only adaptation field - if (offset === start + 188) { - continue; - } - } else { - offset = start + 4; - } - switch (pid) { - case avcId: - if (stt) { - if (avcData && (pes = parsePES(avcData))) { - parseAVCPES(pes, false); - } - avcData = { data: [], size: 0 }; - } - if (avcData) { - avcData.data.push(data.subarray(offset, start + 188)); - avcData.size += start + 188 - offset; - } - break; - case audioId: - if (stt) { - if (audioData && (pes = parsePES(audioData))) { - if (audioTrack.isAAC) { - parseAACPES(pes); - } else { - parseMPEGPES(pes); - } - } - audioData = { data: [], size: 0 }; - } - if (audioData) { - audioData.data.push(data.subarray(offset, start + 188)); - audioData.size += start + 188 - offset; - } - break; - case id3Id: - if (stt) { - if (id3Data && (pes = parsePES(id3Data))) { - parseID3PES(pes); - } - id3Data = { data: [], size: 0 }; - } - if (id3Data) { - id3Data.data.push(data.subarray(offset, start + 188)); - id3Data.size += start + 188 - offset; - } - break; - case 0: - if (stt) { - offset += data[offset] + 1; - } - pmtId = this._pmtId = parsePAT(data, offset); - break; - case pmtId: - if (stt) { - offset += data[offset] + 1; - } - var parsedPIDs = parsePMT(data, offset, this.typeSupported.mpeg === true || this.typeSupported.mp3 === true, this.sampleAes != null); - - // only update track id if track PID found while parsing PMT - // this is to avoid resetting the PID to -1 in case - // track PID transiently disappears from the stream - // this could happen in case of transient missing audio samples for example - avcId = parsedPIDs.avc; - if (avcId > 0) { - avcTrack.id = avcId; - } - audioId = parsedPIDs.audio; - if (audioId > 0) { - audioTrack.id = audioId; - audioTrack.isAAC = parsedPIDs.isAAC; - } - id3Id = parsedPIDs.id3; - if (id3Id > 0) { - id3Track.id = id3Id; - } - if (unknownPIDs && !pmtParsed) { - _logger.logger.log('reparse from beginning'); - unknownPIDs = false; - // we set it to -188, the += 188 in the for loop will reset start to 0 - start = -188; - } - pmtParsed = this.pmtParsed = true; - break; - case 17: - case 0x1fff: - break; - default: - unknownPIDs = true; - break; - } - } else { - this.observer.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.MEDIA_ERROR, details: _errors.ErrorDetails.FRAG_PARSING_ERROR, fatal: false, reason: 'TS packet did not start with 0x47' }); - } - } - // try to parse last PES packets - if (avcData && (pes = parsePES(avcData))) { - parseAVCPES(pes, true); - avcTrack.pesData = null; - } else { - // either avcData null or PES truncated, keep it for next frag parsing - avcTrack.pesData = avcData; - } + CapLevelController.getMaxLevelByMediaSize = function getMaxLevelByMediaSize(levels, width, height) { + if (!levels || levels && !levels.length) { + return -1; + } - if (audioData && (pes = parsePES(audioData))) { - if (audioTrack.isAAC) { - parseAACPES(pes); - } else { - parseMPEGPES(pes); - } - audioTrack.pesData = null; - } else { - if (audioData && audioData.size) { - _logger.logger.log('last AAC PES packet truncated,might overlap between fragments'); - } - // either audioData null or PES truncated, keep it for next frag parsing - audioTrack.pesData = audioData; + // Levels can have the same dimensions but differing bandwidths - since levels are ordered, we can look to the next + // to determine whether we've chosen the greatest bandwidth for the media's dimensions + var atGreatestBandiwdth = function atGreatestBandiwdth(curLevel, nextLevel) { + if (!nextLevel) { + return true; } + return curLevel.width !== nextLevel.width || curLevel.height !== nextLevel.height; + }; - if (id3Data && (pes = parsePES(id3Data))) { - parseID3PES(pes); - id3Track.pesData = null; - } else { - // either id3Data null or PES truncated, keep it for next frag parsing - id3Track.pesData = id3Data; - } + // If we run through the loop without breaking, the media's dimensions are greater than every level, so default to + // the max level + var maxLevelIndex = levels.length - 1; - if (this.sampleAes == null) { - this.remuxer.remux(audioTrack, avcTrack, id3Track, this._txtTrack, timeOffset, contiguous, accurateTimeOffset); - } else { - this.decryptAndRemux(audioTrack, avcTrack, id3Track, this._txtTrack, timeOffset, contiguous, accurateTimeOffset); + for (var i = 0; i < levels.length; i += 1) { + var level = levels[i]; + if ((level.width >= width || level.height >= height) && atGreatestBandiwdth(level, levels[i + 1])) { + maxLevelIndex = i; + break; } } - }, { - key: 'decryptAndRemux', - value: function decryptAndRemux(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset) { - if (audioTrack.samples && audioTrack.isAAC) { - var localthis = this; - this.sampleAes.decryptAacSamples(audioTrack.samples, 0, function () { - localthis.decryptAndRemuxAvc(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset); - }); - } else { - this.decryptAndRemuxAvc(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset); + + return maxLevelIndex; + }; + + cap_level_controller__createClass(CapLevelController, [{ + key: 'mediaWidth', + get: function get() { + var width = void 0; + var media = this.media; + if (media) { + width = media.width || media.clientWidth || media.offsetWidth; + width *= CapLevelController.contentScaleFactor; } + return width; } }, { - key: 'decryptAndRemuxAvc', - value: function decryptAndRemuxAvc(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset) { - if (videoTrack.samples) { - var localthis = this; - this.sampleAes.decryptAvcSamples(videoTrack.samples, 0, 0, function () { - localthis.remuxer.remux(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset); - }); - } else { - this.remuxer.remux(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset); + key: 'mediaHeight', + get: function get() { + var height = void 0; + var media = this.media; + if (media) { + height = media.height || media.clientHeight || media.offsetHeight; + height *= CapLevelController.contentScaleFactor; } + return height; } - }, { - key: 'destroy', - value: function destroy() { - this._initPTS = this._initDTS = undefined; - this._duration = 0; - } - }, { - key: '_parsePAT', - value: function _parsePAT(data, offset) { - // skip the PSI header and parse the first PMT entry - return (data[offset + 10] & 0x1F) << 8 | data[offset + 11]; - //logger.log('PMT PID:' + this._pmtId); + }], [{ + key: 'contentScaleFactor', + get: function get() { + var pixelRatio = 1; + try { + pixelRatio = window.devicePixelRatio; + } catch (e) {} + return pixelRatio; } - }, { - key: '_parsePMT', - value: function _parsePMT(data, offset, mpegSupported, isSampleAes) { - var sectionLength, - tableEnd, - programInfoLength, - pid, - result = { audio: -1, avc: -1, id3: -1, isAAC: true }; - sectionLength = (data[offset + 1] & 0x0f) << 8 | data[offset + 2]; - tableEnd = offset + 3 + sectionLength - 4; - // to determine where the table is, we have to figure out how - // long the program info descriptors are - programInfoLength = (data[offset + 10] & 0x0f) << 8 | data[offset + 11]; - // advance the offset to the first entry in the mapping table - offset += 12 + programInfoLength; - while (offset < tableEnd) { - pid = (data[offset + 1] & 0x1F) << 8 | data[offset + 2]; - switch (data[offset]) { - case 0xcf: - // SAMPLE-AES AAC - if (!isSampleAes) { - _logger.logger.log('unkown stream type:' + data[offset]); - break; - } - /* falls through */ + }]); - // ISO/IEC 13818-7 ADTS AAC (MPEG-2 lower bit-rate audio) - case 0x0f: - //logger.log('AAC PID:' + pid); - if (result.audio === -1) { - result.audio = pid; - } - break; + return CapLevelController; +}(event_handler); - // Packetized metadata (ID3) - case 0x15: - //logger.log('ID3 PID:' + pid); - if (result.id3 === -1) { - result.id3 = pid; - } - break; +/* harmony default export */ var cap_level_controller = (cap_level_controller_CapLevelController); +// CONCATENATED MODULE: ./src/controller/fps-controller.js +function fps_controller__classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } - case 0xdb: - // SAMPLE-AES AVC - if (!isSampleAes) { - _logger.logger.log('unkown stream type:' + data[offset]); - break; - } - /* falls through */ +function fps_controller__possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; } - // ITU-T Rec. H.264 and ISO/IEC 14496-10 (lower bit-rate video) - case 0x1b: - //logger.log('AVC PID:' + pid); - if (result.avc === -1) { - result.avc = pid; - } - break; +function fps_controller__inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } - // ISO/IEC 11172-3 (MPEG-1 audio) - // or ISO/IEC 13818-3 (MPEG-2 halved sample rate audio) - case 0x03: - case 0x04: - //logger.log('MPEG PID:' + pid); - if (!mpegSupported) { - _logger.logger.log('MPEG audio found, not supported in this browser for now'); - } else if (result.audio === -1) { - result.audio = pid; - result.isAAC = false; - } - break; +/* + * FPS Controller +*/ - case 0x24: - _logger.logger.warn('HEVC stream type found, not supported for now'); - break; - default: - _logger.logger.log('unkown stream type:' + data[offset]); - break; - } - // move to the next table entry - // skip past the elementary stream descriptors, if present - offset += ((data[offset + 3] & 0x0F) << 8 | data[offset + 4]) + 5; - } - return result; + + + +var fps_controller_FPSController = function (_EventHandler) { + fps_controller__inherits(FPSController, _EventHandler); + + function FPSController(hls) { + fps_controller__classCallCheck(this, FPSController); + + return fps_controller__possibleConstructorReturn(this, _EventHandler.call(this, hls, events["a" /* default */].MEDIA_ATTACHING)); + } + + FPSController.prototype.destroy = function destroy() { + if (this.timer) { + clearInterval(this.timer); } - }, { - key: '_parsePES', - value: function _parsePES(stream) { - var i = 0, - frag, - pesFlags, - pesPrefix, - pesLen, - pesHdrLen, - pesData, - pesPts, - pesDts, - payloadStartOffset, - data = stream.data; - // safety check - if (!stream || stream.size === 0) { - return null; + this.isVideoPlaybackQualityAvailable = false; + }; + + FPSController.prototype.onMediaAttaching = function onMediaAttaching(data) { + var config = this.hls.config; + if (config.capLevelOnFPSDrop) { + var video = this.video = data.media instanceof HTMLVideoElement ? data.media : null; + if (typeof video.getVideoPlaybackQuality === 'function') { + this.isVideoPlaybackQualityAvailable = true; } + clearInterval(this.timer); + this.timer = setInterval(this.checkFPSInterval.bind(this), config.fpsDroppedMonitoringPeriod); + } + }; - // we might need up to 19 bytes to read PES header - // if first chunk of data is less than 19 bytes, let's merge it with following ones until we get 19 bytes - // usually only one merge is needed (and this is rare ...) - while (data[0].length < 19 && data.length > 1) { - var newData = new Uint8Array(data[0].length + data[1].length); - newData.set(data[0]); - newData.set(data[1], data[0].length); - data[0] = newData; - data.splice(1, 1); - } - //retrieve PTS/DTS from first fragment - frag = data[0]; - pesPrefix = (frag[0] << 16) + (frag[1] << 8) + frag[2]; - if (pesPrefix === 1) { - pesLen = (frag[4] << 8) + frag[5]; - // if PES parsed length is not zero and greater than total received length, stop parsing. PES might be truncated - // minus 6 : PES header size - if (pesLen && pesLen > stream.size - 6) { - return null; - } - pesFlags = frag[7]; - if (pesFlags & 0xC0) { - /* PES header described here : http://dvd.sourceforge.net/dvdinfo/pes-hdr.html - as PTS / DTS is 33 bit we cannot use bitwise operator in JS, - as Bitwise operators treat their operands as a sequence of 32 bits */ - pesPts = (frag[9] & 0x0E) * 536870912 + // 1 << 29 - (frag[10] & 0xFF) * 4194304 + // 1 << 22 - (frag[11] & 0xFE) * 16384 + // 1 << 14 - (frag[12] & 0xFF) * 128 + // 1 << 7 - (frag[13] & 0xFE) / 2; - // check if greater than 2^32 -1 - if (pesPts > 4294967295) { - // decrement 2^33 - pesPts -= 8589934592; - } - if (pesFlags & 0x40) { - pesDts = (frag[14] & 0x0E) * 536870912 + // 1 << 29 - (frag[15] & 0xFF) * 4194304 + // 1 << 22 - (frag[16] & 0xFE) * 16384 + // 1 << 14 - (frag[17] & 0xFF) * 128 + // 1 << 7 - (frag[18] & 0xFE) / 2; - // check if greater than 2^32 -1 - if (pesDts > 4294967295) { - // decrement 2^33 - pesDts -= 8589934592; - } - if (pesPts - pesDts > 60 * 90000) { - _logger.logger.warn(Math.round((pesPts - pesDts) / 90000) + 's delta between PTS and DTS, align them'); - pesPts = pesDts; - } - } else { - pesDts = pesPts; - } - } - pesHdrLen = frag[8]; - // 9 bytes : 6 bytes for PES header + 3 bytes for PES extension - payloadStartOffset = pesHdrLen + 9; - - stream.size -= payloadStartOffset; - //reassemble PES packet - pesData = new Uint8Array(stream.size); - for (var j = 0, dataLen = data.length; j < dataLen; j++) { - frag = data[j]; - var len = frag.byteLength; - if (payloadStartOffset) { - if (payloadStartOffset > len) { - // trim full frag if PES header bigger than frag - payloadStartOffset -= len; - continue; - } else { - // trim partial frag if PES header smaller than frag - frag = frag.subarray(payloadStartOffset); - len -= payloadStartOffset; - payloadStartOffset = 0; + FPSController.prototype.checkFPS = function checkFPS(video, decodedFrames, droppedFrames) { + var currentTime = performance.now(); + if (decodedFrames) { + if (this.lastTime) { + var currentPeriod = currentTime - this.lastTime, + currentDropped = droppedFrames - this.lastDroppedFrames, + currentDecoded = decodedFrames - this.lastDecodedFrames, + droppedFPS = 1000 * currentDropped / currentPeriod, + hls = this.hls; + hls.trigger(events["a" /* default */].FPS_DROP, { currentDropped: currentDropped, currentDecoded: currentDecoded, totalDroppedFrames: droppedFrames }); + if (droppedFPS > 0) { + //logger.log('checkFPS : droppedFPS/decodedFPS:' + droppedFPS/(1000 * currentDecoded / currentPeriod)); + if (currentDropped > hls.config.fpsDroppedMonitoringThreshold * currentDecoded) { + var currentLevel = hls.currentLevel; + logger["b" /* logger */].warn('drop FPS ratio greater than max allowed value for currentLevel: ' + currentLevel); + if (currentLevel > 0 && (hls.autoLevelCapping === -1 || hls.autoLevelCapping >= currentLevel)) { + currentLevel = currentLevel - 1; + hls.trigger(events["a" /* default */].FPS_DROP_LEVEL_CAPPING, { level: currentLevel, droppedLevel: hls.currentLevel }); + hls.autoLevelCapping = currentLevel; + hls.streamController.nextLevelSwitch(); } } - pesData.set(frag, i); - i += len; - } - if (pesLen) { - // payload size : remove PES header + PES extension - pesLen -= pesHdrLen + 3; } - return { data: pesData, pts: pesPts, dts: pesDts, len: pesLen }; - } else { - return null; } + this.lastTime = currentTime; + this.lastDroppedFrames = droppedFrames; + this.lastDecodedFrames = decodedFrames; } - }, { - key: 'pushAccesUnit', - value: function pushAccesUnit(avcSample, avcTrack) { - if (avcSample.units.length && avcSample.frame) { - var samples = avcTrack.samples; - var nbSamples = samples.length; - // only push AVC sample if starting with a keyframe is not mandatory OR - // if keyframe already found in this fragment OR - // keyframe found in last fragment (track.sps) AND - // samples already appended (we already found a keyframe in this fragment) OR fragment is contiguous - if (!this.config.forceKeyFrameOnDiscontinuity || avcSample.key === true || avcTrack.sps && (nbSamples || this.contiguous)) { - avcSample.id = nbSamples; - samples.push(avcSample); - } else { - // dropped samples, track it - avcTrack.dropped++; - } - } - if (avcSample.debug.length) { - _logger.logger.log(avcSample.pts + '/' + avcSample.dts + ':' + avcSample.debug); + }; + + FPSController.prototype.checkFPSInterval = function checkFPSInterval() { + var video = this.video; + if (video) { + if (this.isVideoPlaybackQualityAvailable) { + var videoPlaybackQuality = video.getVideoPlaybackQuality(); + this.checkFPS(video, videoPlaybackQuality.totalVideoFrames, videoPlaybackQuality.droppedVideoFrames); + } else { + this.checkFPS(video, video.webkitDecodedFrameCount, video.webkitDroppedFrameCount); } } - }, { - key: '_parseAVCPES', - value: function _parseAVCPES(pes, last) { - var _this = this; - - //logger.log('parse new PES'); - var track = this._avcTrack, - units = this._parseAVCNALu(pes.data), - debug = false, - expGolombDecoder, - avcSample = this.avcSample, - push, - i; - //free pes.data to save up some memory - pes.data = null; - - units.forEach(function (unit) { - switch (unit.type) { - //NDR - case 1: - push = true; - if (debug && avcSample) { - avcSample.debug += 'NDR '; - } - avcSample.frame = true; - // retrieve slice type by parsing beginning of NAL unit (follow H264 spec, slice_header definition) to detect keyframe embedded in NDR - var data = unit.data; - if (data.length > 4) { - var sliceType = new _expGolomb2.default(data).readSliceType(); - // 2 : I slice, 4 : SI slice, 7 : I slice, 9: SI slice - // SI slice : A slice that is coded using intra prediction only and using quantisation of the prediction samples. - // An SI slice can be coded such that its decoded samples can be constructed identically to an SP slice. - // I slice: A slice that is not an SI slice that is decoded using intra prediction only. - //if (sliceType === 2 || sliceType === 7) { - if (sliceType === 2 || sliceType === 4 || sliceType === 7 || sliceType === 9) { - avcSample.key = true; - } - } - break; - //IDR - case 5: - push = true; - // handle PES not starting with AUD - if (!avcSample) { - avcSample = _this.avcSample = _this._createAVCSample(true, pes.pts, pes.dts, ''); - } - if (debug) { - avcSample.debug += 'IDR '; - } - avcSample.key = true; - avcSample.frame = true; - break; - //SEI - case 6: - push = true; - if (debug && avcSample) { - avcSample.debug += 'SEI '; - } - expGolombDecoder = new _expGolomb2.default(_this.discardEPB(unit.data)); + }; - // skip frameType - expGolombDecoder.readUByte(); + return FPSController; +}(event_handler); - var payloadType = 0; - var payloadSize = 0; - var endOfCaptions = false; - var b = 0; +/* harmony default export */ var fps_controller = (fps_controller_FPSController); +// CONCATENATED MODULE: ./src/utils/xhr-loader.js +function xhr_loader__classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } - while (!endOfCaptions && expGolombDecoder.bytesAvailable > 1) { - payloadType = 0; - do { - b = expGolombDecoder.readUByte(); - payloadType += b; - } while (b === 0xFF); +/** + * XHR based logger +*/ - // Parse payload size. - payloadSize = 0; - do { - b = expGolombDecoder.readUByte(); - payloadSize += b; - } while (b === 0xFF); - // TODO: there can be more than one payload in an SEI packet... - // TODO: need to read type and size in a while loop to get them all - if (payloadType === 4 && expGolombDecoder.bytesAvailable !== 0) { - endOfCaptions = true; +var xhr_loader_XhrLoader = function () { + function XhrLoader(config) { + xhr_loader__classCallCheck(this, XhrLoader); - var countryCode = expGolombDecoder.readUByte(); + if (config && config.xhrSetup) { + this.xhrSetup = config.xhrSetup; + } + } - if (countryCode === 181) { - var providerCode = expGolombDecoder.readUShort(); + XhrLoader.prototype.destroy = function destroy() { + this.abort(); + this.loader = null; + }; - if (providerCode === 49) { - var userStructure = expGolombDecoder.readUInt(); + XhrLoader.prototype.abort = function abort() { + var loader = this.loader; + if (loader && loader.readyState !== 4) { + this.stats.aborted = true; + loader.abort(); + } - if (userStructure === 0x47413934) { - var userDataType = expGolombDecoder.readUByte(); + window.clearTimeout(this.requestTimeout); + this.requestTimeout = null; + window.clearTimeout(this.retryTimeout); + this.retryTimeout = null; + }; - // Raw CEA-608 bytes wrapped in CEA-708 packet - if (userDataType === 3) { - var firstByte = expGolombDecoder.readUByte(); - var secondByte = expGolombDecoder.readUByte(); + XhrLoader.prototype.load = function load(context, config, callbacks) { + this.context = context; + this.config = config; + this.callbacks = callbacks; + this.stats = { trequest: performance.now(), retry: 0 }; + this.retryDelay = config.retryDelay; + this.loadInternal(); + }; - var totalCCs = 31 & firstByte; - var byteArray = [firstByte, secondByte]; + XhrLoader.prototype.loadInternal = function loadInternal() { + var xhr, + context = this.context; + xhr = this.loader = new XMLHttpRequest(); - for (i = 0; i < totalCCs; i++) { - // 3 bytes per CC - byteArray.push(expGolombDecoder.readUByte()); - byteArray.push(expGolombDecoder.readUByte()); - byteArray.push(expGolombDecoder.readUByte()); - } + var stats = this.stats; + stats.tfirst = 0; + stats.loaded = 0; + var xhrSetup = this.xhrSetup; - _this._insertSampleInOrder(_this._txtTrack.samples, { type: 3, pts: pes.pts, bytes: byteArray }); - } - } - } - } - } else if (payloadSize < expGolombDecoder.bytesAvailable) { - for (i = 0; i < payloadSize; i++) { - expGolombDecoder.readUByte(); - } - } - } - break; - //SPS - case 7: - push = true; - if (debug && avcSample) { - avcSample.debug += 'SPS '; - } - if (!track.sps) { - expGolombDecoder = new _expGolomb2.default(unit.data); - var config = expGolombDecoder.readSPS(); - track.width = config.width; - track.height = config.height; - track.pixelRatio = config.pixelRatio; - track.sps = [unit.data]; - track.duration = _this._duration; - var codecarray = unit.data.subarray(1, 4); - var codecstring = 'avc1.'; - for (i = 0; i < 3; i++) { - var h = codecarray[i].toString(16); - if (h.length < 2) { - h = '0' + h; - } - codecstring += h; - } - track.codec = codecstring; - } - break; - //PPS - case 8: - push = true; - if (debug && avcSample) { - avcSample.debug += 'PPS '; - } - if (!track.pps) { - track.pps = [unit.data]; - } - break; - // AUD - case 9: - push = false; - if (avcSample) { - _this.pushAccesUnit(avcSample, track); - } - avcSample = _this.avcSample = _this._createAVCSample(false, pes.pts, pes.dts, debug ? 'AUD ' : ''); - break; - // Filler Data - case 12: - push = false; - break; - default: - push = false; - if (avcSample) { - avcSample.debug += 'unknown NAL ' + unit.type + ' '; - } - break; - } - if (avcSample && push) { - var _units = avcSample.units; - _units.push(unit); + try { + if (xhrSetup) { + try { + xhrSetup(xhr, context.url); + } catch (e) { + // fix xhrSetup: (xhr, url) => {xhr.setRequestHeader("Content-Language", "test");} + // not working, as xhr.setRequestHeader expects xhr.readyState === OPEN + xhr.open('GET', context.url, true); + xhrSetup(xhr, context.url); } - }); - // if last PES packet, push samples - if (last && avcSample) { - this.pushAccesUnit(avcSample, track); - this.avcSample = null; } - } - }, { - key: '_createAVCSample', - value: function _createAVCSample(key, pts, dts, debug) { - return { key: key, pts: pts, dts: dts, units: [], debug: debug }; - } - }, { - key: '_insertSampleInOrder', - value: function _insertSampleInOrder(arr, data) { - var len = arr.length; - if (len > 0) { - if (data.pts >= arr[len - 1].pts) { - arr.push(data); - } else { - for (var pos = len - 1; pos >= 0; pos--) { - if (data.pts < arr[pos].pts) { - arr.splice(pos, 0, data); - break; - } - } - } - } else { - arr.push(data); + if (!xhr.readyState) { + xhr.open('GET', context.url, true); } + } catch (e) { + // IE11 throws an exception on xhr.open if attempting to access an HTTP resource over HTTPS + this.callbacks.onError({ code: xhr.status, text: e.message }, context, xhr); + return; } - }, { - key: '_getLastNalUnit', - value: function _getLastNalUnit() { - var avcSample = this.avcSample, - lastUnit = void 0; - // try to fallback to previous sample if current one is empty - if (!avcSample || avcSample.units.length === 0) { - var track = this._avcTrack, - samples = track.samples; - avcSample = samples[samples.length - 1]; - } - if (avcSample) { - var units = avcSample.units; - lastUnit = units[units.length - 1]; - } - return lastUnit; + + if (context.rangeEnd) { + xhr.setRequestHeader('Range', 'bytes=' + context.rangeStart + '-' + (context.rangeEnd - 1)); } - }, { - key: '_parseAVCNALu', - value: function _parseAVCNALu(array) { - var i = 0, - len = array.byteLength, - value, - overflow, - track = this._avcTrack, - state = track.naluState || 0, - lastState = state; - var units = [], - unit, - unitType, - lastUnitStart = -1, - lastUnitType; - //logger.log('PES:' + Hex.hexDump(array)); - - if (state === -1) { - // special use case where we found 3 or 4-byte start codes exactly at the end of previous PES packet - lastUnitStart = 0; - // NALu type is value read from offset 0 - lastUnitType = array[0] & 0x1f; - state = 0; - i = 1; - } + xhr.onreadystatechange = this.readystatechange.bind(this); + xhr.onprogress = this.loadprogress.bind(this); + xhr.responseType = context.responseType; - while (i < len) { - value = array[i++]; - // optimization. state 0 and 1 are the predominant case. let's handle them outside of the switch/case - if (!state) { - state = value ? 0 : 1; - continue; - } - if (state === 1) { - state = value ? 0 : 2; - continue; - } - // here we have state either equal to 2 or 3 - if (!value) { - state = 3; - } else if (value === 1) { - if (lastUnitStart >= 0) { - unit = { data: array.subarray(lastUnitStart, i - state - 1), type: lastUnitType }; - //logger.log('pushing NALU, type/size:' + unit.type + '/' + unit.data.byteLength); - units.push(unit); + // setup timeout before we perform request + this.requestTimeout = window.setTimeout(this.loadtimeout.bind(this), this.config.timeout); + xhr.send(); + }; + + XhrLoader.prototype.readystatechange = function readystatechange(event) { + var xhr = event.currentTarget, + readyState = xhr.readyState, + stats = this.stats, + context = this.context, + config = this.config; + + // don't proceed if xhr has been aborted + if (stats.aborted) { + return; + } + + // >= HEADERS_RECEIVED + if (readyState >= 2) { + // clear xhr timeout and rearm it if readyState less than 4 + window.clearTimeout(this.requestTimeout); + if (stats.tfirst === 0) { + stats.tfirst = Math.max(performance.now(), stats.trequest); + } + if (readyState === 4) { + var status = xhr.status; + // http status between 200 to 299 are all successful + if (status >= 200 && status < 300) { + stats.tload = Math.max(stats.tfirst, performance.now()); + var data = void 0, + len = void 0; + if (context.responseType === 'arraybuffer') { + data = xhr.response; + len = data.byteLength; } else { - // lastUnitStart is undefined => this is the first start code found in this PES packet - // first check if start code delimiter is overlapping between 2 PES packets, - // ie it started in last packet (lastState not zero) - // and ended at the beginning of this PES packet (i <= 4 - lastState) - var lastUnit = this._getLastNalUnit(); - if (lastUnit) { - if (lastState && i <= 4 - lastState) { - // start delimiter overlapping between PES packets - // strip start delimiter bytes from the end of last NAL unit - // check if lastUnit had a state different from zero - if (lastUnit.state) { - // strip last bytes - lastUnit.data = lastUnit.data.subarray(0, lastUnit.data.byteLength - lastState); - } - } - // If NAL units are not starting right at the beginning of the PES packet, push preceding data into previous NAL unit. - overflow = i - state - 1; - if (overflow > 0) { - //logger.log('first NALU found with overflow:' + overflow); - var tmp = new Uint8Array(lastUnit.data.byteLength + overflow); - tmp.set(lastUnit.data, 0); - tmp.set(array.subarray(0, overflow), lastUnit.data.byteLength); - lastUnit.data = tmp; - } - } + data = xhr.responseText; + len = data.length; } - // check if we can read unit type - if (i < len) { - unitType = array[i] & 0x1f; - //logger.log('find NALU @ offset:' + i + ',type:' + unitType); - lastUnitStart = i; - lastUnitType = unitType; - state = 0; + stats.loaded = stats.total = len; + var response = { url: xhr.responseURL, data: data }; + this.callbacks.onSuccess(response, stats, context, xhr); + } else { + // if max nb of retries reached or if http status between 400 and 499 (such error cannot be recovered, retrying is useless), return error + if (stats.retry >= config.maxRetry || status >= 400 && status < 499) { + logger["b" /* logger */].error(status + ' while loading ' + context.url); + this.callbacks.onError({ code: status, text: xhr.statusText }, context, xhr); } else { - // not enough byte to read unit type. let's read it on next PES parsing - state = -1; + // retry + logger["b" /* logger */].warn(status + ' while loading ' + context.url + ', retrying in ' + this.retryDelay + '...'); + // aborts and resets internal state + this.destroy(); + // schedule retry + this.retryTimeout = window.setTimeout(this.loadInternal.bind(this), this.retryDelay); + // set exponential backoff + this.retryDelay = Math.min(2 * this.retryDelay, config.maxRetryDelay); + stats.retry++; } - } else { - state = 0; - } - } - if (lastUnitStart >= 0 && state >= 0) { - unit = { data: array.subarray(lastUnitStart, len), type: lastUnitType, state: state }; - units.push(unit); - //logger.log('pushing NALU, type/size/state:' + unit.type + '/' + unit.data.byteLength + '/' + state); - } - // no NALu found - if (units.length === 0) { - // append pes.data to previous NAL unit - var _lastUnit = this._getLastNalUnit(); - if (_lastUnit) { - var _tmp = new Uint8Array(_lastUnit.data.byteLength + array.byteLength); - _tmp.set(_lastUnit.data, 0); - _tmp.set(array, _lastUnit.data.byteLength); - _lastUnit.data = _tmp; } + } else { + // readyState >= 2 AND readyState !==4 (readyState = HEADERS_RECEIVED || LOADING) rearm timeout as xhr not finished yet + this.requestTimeout = window.setTimeout(this.loadtimeout.bind(this), config.timeout); } - track.naluState = state; - return units; } + }; - /** - * remove Emulation Prevention bytes from a RBSP - */ + XhrLoader.prototype.loadtimeout = function loadtimeout() { + logger["b" /* logger */].warn('timeout while loading ' + this.context.url); + this.callbacks.onTimeout(this.stats, this.context, null); + }; - }, { - key: 'discardEPB', - value: function discardEPB(data) { - var length = data.byteLength, - EPBPositions = [], - i = 1, - newLength, - newData; - - // Find all `Emulation Prevention Bytes` - while (i < length - 2) { - if (data[i] === 0 && data[i + 1] === 0 && data[i + 2] === 0x03) { - EPBPositions.push(i + 2); - i += 2; - } else { - i++; - } - } + XhrLoader.prototype.loadprogress = function loadprogress(event) { + var xhr = event.currentTarget, + stats = this.stats; + + stats.loaded = event.loaded; + if (event.lengthComputable) { + stats.total = event.total; + } + var onProgress = this.callbacks.onProgress; + if (onProgress) { + // third arg is to provide on progress data + onProgress(stats, this.context, null, xhr); + } + }; + + return XhrLoader; +}(); + +/* harmony default export */ var xhr_loader = (xhr_loader_XhrLoader); +// CONCATENATED MODULE: ./src/controller/audio-track-controller.js +var audio_track_controller__createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); + +function audio_track_controller__classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + +function audio_track_controller__possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; } + +function audio_track_controller__inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } + +/* + * audio track controller +*/ + + + + + + +var audio_track_controller_AudioTrackController = function (_EventHandler) { + audio_track_controller__inherits(AudioTrackController, _EventHandler); + + function AudioTrackController(hls) { + audio_track_controller__classCallCheck(this, AudioTrackController); + + var _this = audio_track_controller__possibleConstructorReturn(this, _EventHandler.call(this, hls, events["a" /* default */].MANIFEST_LOADING, events["a" /* default */].MANIFEST_LOADED, events["a" /* default */].AUDIO_TRACK_LOADED, events["a" /* default */].ERROR)); + + _this.ticks = 0; + _this.ontick = _this.tick.bind(_this); + return _this; + } + + AudioTrackController.prototype.destroy = function destroy() { + this.cleanTimer(); + event_handler.prototype.destroy.call(this); + }; + + AudioTrackController.prototype.cleanTimer = function cleanTimer() { + if (this.timer) { + clearTimeout(this.timer); + this.timer = null; + } + }; - // If no Emulation Prevention Bytes were found just return the original - // array - if (EPBPositions.length === 0) { - return data; + AudioTrackController.prototype.tick = function tick() { + this.ticks++; + if (this.ticks === 1) { + this.doTick(); + if (this.ticks > 1) { + setTimeout(this.tick, 1); } + this.ticks = 0; + } + }; - // Create a new array to hold the NAL unit data - newLength = length - EPBPositions.length; - newData = new Uint8Array(newLength); - var sourceIndex = 0; + AudioTrackController.prototype.doTick = function doTick() { + this.updateTrack(this.trackId); + }; - for (i = 0; i < newLength; sourceIndex++, i++) { - if (sourceIndex === EPBPositions[0]) { - // Skip this byte - sourceIndex++; - // Remove this position index - EPBPositions.shift(); - } - newData[i] = data[sourceIndex]; + AudioTrackController.prototype.onError = function onError(data) { + if (data.fatal && data.type === errors["b" /* ErrorTypes */].NETWORK_ERROR) { + this.cleanTimer(); + } + }; + + AudioTrackController.prototype.onManifestLoading = function onManifestLoading() { + // reset audio tracks on manifest loading + this.tracks = []; + this.trackId = -1; + }; + + AudioTrackController.prototype.onManifestLoaded = function onManifestLoaded(data) { + var _this2 = this; + + var tracks = data.audioTracks || []; + var defaultFound = false; + this.tracks = tracks; + this.hls.trigger(events["a" /* default */].AUDIO_TRACKS_UPDATED, { audioTracks: tracks }); + // loop through available audio tracks and autoselect default if needed + var id = 0; + tracks.forEach(function (track) { + if (track.default && !defaultFound) { + _this2.audioTrack = id; + defaultFound = true; + return; } - return newData; + id++; + }); + if (defaultFound === false && tracks.length) { + logger["b" /* logger */].log('no default audio track defined, use first audio track as default'); + this.audioTrack = 0; } - }, { - key: '_parseAACPES', - value: function _parseAACPES(pes) { - var track = this._audioTrack, - data = pes.data, - pts = pes.pts, - startOffset = 0, - aacOverFlow = this.aacOverFlow, - aacLastPTS = this.aacLastPTS, - config, - frameLength, - frameDuration, - frameIndex, - offset, - headerLength, - stamp, - len, - aacSample; - if (aacOverFlow) { - var tmp = new Uint8Array(aacOverFlow.byteLength + data.byteLength); - tmp.set(aacOverFlow, 0); - tmp.set(data, aacOverFlow.byteLength); - //logger.log(`AAC: append overflowing ${aacOverFlow.byteLength} bytes to beginning of new PES`); - data = tmp; - } - // look for ADTS header (0xFFFx) - for (offset = startOffset, len = data.length; offset < len - 1; offset++) { - if (data[offset] === 0xff && (data[offset + 1] & 0xf0) === 0xf0) { - break; - } + }; + + AudioTrackController.prototype.onAudioTrackLoaded = function onAudioTrackLoaded(data) { + if (data.id < this.tracks.length) { + logger["b" /* logger */].log('audioTrack ' + data.id + ' loaded'); + this.tracks[data.id].details = data.details; + // check if current playlist is a live playlist + if (data.details.live && !this.timer) { + // if live playlist we will have to reload it periodically + // set reload period to playlist target duration + this.timer = setInterval(this.ontick, 1000 * data.details.targetduration); } - // if ADTS header does not start straight from the beginning of the PES payload, raise an error - if (offset) { - var reason, fatal; - if (offset < len - 1) { - reason = 'AAC PES did not start with ADTS header,offset:' + offset; - fatal = false; - } else { - reason = 'no ADTS header found in AAC PES'; - fatal = true; - } - _logger.logger.warn('parsing error:' + reason); - this.observer.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.MEDIA_ERROR, details: _errors.ErrorDetails.FRAG_PARSING_ERROR, fatal: fatal, reason: reason }); - if (fatal) { - return; - } + if (!data.details.live && this.timer) { + // playlist is not live and timer is armed : stopping it + this.cleanTimer(); } - if (!track.samplerate) { - var audioCodec = this.audioCodec; - config = _adts2.default.getAudioConfig(this.observer, data, offset, audioCodec); - track.config = config.config; - track.samplerate = config.samplerate; - track.channelCount = config.channelCount; - track.codec = config.codec; - track.manifestCodec = config.manifestCodec; - _logger.logger.log('parsed codec:' + track.codec + ',rate:' + config.samplerate + ',nb channel:' + config.channelCount); - } - frameIndex = 0; - frameDuration = 1024 * 90000 / track.samplerate; - - // if last AAC frame is overflowing, we should ensure timestamps are contiguous: - // first sample PTS should be equal to last sample PTS + frameDuration - if (aacOverFlow && aacLastPTS) { - var newPTS = aacLastPTS + frameDuration; - if (Math.abs(newPTS - pts) > 1) { - _logger.logger.log('AAC: align PTS for overlapping frames by ' + Math.round((newPTS - pts) / 90)); - pts = newPTS; - } - } - - while (offset + 5 < len) { - // The protection skip bit tells us if we have 2 bytes of CRC data at the end of the ADTS header - headerLength = !!(data[offset + 1] & 0x01) ? 7 : 9; - // retrieve frame size - frameLength = (data[offset + 3] & 0x03) << 11 | data[offset + 4] << 3 | (data[offset + 5] & 0xE0) >>> 5; - frameLength -= headerLength; - //stamp = pes.pts; - - if (frameLength > 0 && offset + headerLength + frameLength <= len) { - stamp = pts + frameIndex * frameDuration; - //logger.log(`AAC frame, offset/length/total/pts:${offset+headerLength}/${frameLength}/${data.byteLength}/${(stamp/90).toFixed(0)}`); - aacSample = { unit: data.subarray(offset + headerLength, offset + headerLength + frameLength), pts: stamp, dts: stamp }; - track.samples.push(aacSample); - track.len += frameLength; - offset += frameLength + headerLength; - frameIndex++; - // look for ADTS header (0xFFFx) - for (; offset < len - 1; offset++) { - if (data[offset] === 0xff && (data[offset + 1] & 0xf0) === 0xf0) { - break; - } - } - } else { - break; - } + } + }; + + /** get alternate audio tracks list from playlist **/ + + + AudioTrackController.prototype.setAudioTrackInternal = function setAudioTrackInternal(newId) { + // check if level idx is valid + if (newId >= 0 && newId < this.tracks.length) { + // stopping live reloading timer if any + this.cleanTimer(); + this.trackId = newId; + logger["b" /* logger */].log('switching to audioTrack ' + newId); + var audioTrack = this.tracks[newId], + hls = this.hls, + type = audioTrack.type, + url = audioTrack.url, + eventObj = { id: newId, type: type, url: url }; + // keep AUDIO_TRACK_SWITCH for legacy reason + hls.trigger(events["a" /* default */].AUDIO_TRACK_SWITCH, eventObj); + hls.trigger(events["a" /* default */].AUDIO_TRACK_SWITCHING, eventObj); + // check if we need to load playlist for this audio Track + var details = audioTrack.details; + if (url && (details === undefined || details.live === true)) { + // track not retrieved yet, or live playlist we need to (re)load it + logger["b" /* logger */].log('(re)loading playlist for audioTrack ' + newId); + hls.trigger(events["a" /* default */].AUDIO_TRACK_LOADING, { url: url, id: newId }); } - if (offset < len) { - aacOverFlow = data.subarray(offset, len); - //logger.log(`AAC: overflow detected:${len-offset}`); - } else { - aacOverFlow = null; + } + }; + + AudioTrackController.prototype.updateTrack = function updateTrack(newId) { + // check if level idx is valid + if (newId >= 0 && newId < this.tracks.length) { + // stopping live reloading timer if any + this.cleanTimer(); + this.trackId = newId; + logger["b" /* logger */].log('updating audioTrack ' + newId); + var audioTrack = this.tracks[newId], + url = audioTrack.url; + // check if we need to load playlist for this audio Track + var details = audioTrack.details; + if (url && (details === undefined || details.live === true)) { + // track not retrieved yet, or live playlist we need to (re)load it + logger["b" /* logger */].log('(re)loading playlist for audioTrack ' + newId); + this.hls.trigger(events["a" /* default */].AUDIO_TRACK_LOADING, { url: url, id: newId }); } - this.aacOverFlow = aacOverFlow; - this.aacLastPTS = stamp; } - }, { - key: '_parseMPEGPES', - value: function _parseMPEGPES(pes) { - _mpegaudio2.default.parse(this._audioTrack, pes.data, 0, pes.pts); + }; + + audio_track_controller__createClass(AudioTrackController, [{ + key: 'audioTracks', + get: function get() { + return this.tracks; } + + /** get index of the selected audio track (index in audio track lists) **/ + }, { - key: '_parseID3PES', - value: function _parseID3PES(pes) { - this._id3Track.samples.push(pes); + key: 'audioTrack', + get: function get() { + return this.trackId; } - }], [{ - key: 'probe', - value: function probe(data) { - // a TS fragment should contain at least 3 TS packets, a PAT, a PMT, and one PID, each starting with 0x47 - if (data.length >= 3 * 188 && data[0] === 0x47 && data[188] === 0x47 && data[2 * 188] === 0x47) { - return true; - } else { - return false; + + /** select an audio track, based on its index in audio track lists**/ + , + set: function set(audioTrackId) { + if (this.trackId !== audioTrackId || this.tracks[audioTrackId].details === undefined) { + this.setAudioTrackInternal(audioTrackId); } } }]); - return TSDemuxer; -}(); + return AudioTrackController; +}(event_handler); -exports.default = TSDemuxer; +/* harmony default export */ var audio_track_controller = (audio_track_controller_AudioTrackController); +// CONCATENATED MODULE: ./src/controller/audio-stream-controller.js +var audio_stream_controller__createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); -},{"22":22,"26":26,"30":30,"31":31,"33":33,"35":35,"53":53}],33:[function(_dereq_,module,exports){ -'use strict'; +function audio_stream_controller__classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } -Object.defineProperty(exports, "__esModule", { - value: true -}); -var ErrorTypes = exports.ErrorTypes = { - // Identifier for a network error (loading error / timeout ...) - NETWORK_ERROR: 'networkError', - // Identifier for a media Error (video/parsing/mediasource error) - MEDIA_ERROR: 'mediaError', - // Identifier for a mux Error (demuxing/remuxing) - MUX_ERROR: 'muxError', - // Identifier for all other errors - OTHER_ERROR: 'otherError' -}; +function audio_stream_controller__possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; } -var ErrorDetails = exports.ErrorDetails = { - // Identifier for a manifest load error - data: { url : faulty URL, response : { code: error code, text: error text }} - MANIFEST_LOAD_ERROR: 'manifestLoadError', - // Identifier for a manifest load timeout - data: { url : faulty URL, response : { code: error code, text: error text }} - MANIFEST_LOAD_TIMEOUT: 'manifestLoadTimeOut', - // Identifier for a manifest parsing error - data: { url : faulty URL, reason : error reason} - MANIFEST_PARSING_ERROR: 'manifestParsingError', - // Identifier for a manifest with only incompatible codecs error - data: { url : faulty URL, reason : error reason} - MANIFEST_INCOMPATIBLE_CODECS_ERROR: 'manifestIncompatibleCodecsError', - // Identifier for a level load error - data: { url : faulty URL, response : { code: error code, text: error text }} - LEVEL_LOAD_ERROR: 'levelLoadError', - // Identifier for a level load timeout - data: { url : faulty URL, response : { code: error code, text: error text }} - LEVEL_LOAD_TIMEOUT: 'levelLoadTimeOut', - // Identifier for a level switch error - data: { level : faulty level Id, event : error description} - LEVEL_SWITCH_ERROR: 'levelSwitchError', - // Identifier for an audio track load error - data: { url : faulty URL, response : { code: error code, text: error text }} - AUDIO_TRACK_LOAD_ERROR: 'audioTrackLoadError', - // Identifier for an audio track load timeout - data: { url : faulty URL, response : { code: error code, text: error text }} - AUDIO_TRACK_LOAD_TIMEOUT: 'audioTrackLoadTimeOut', - // Identifier for fragment load error - data: { frag : fragment object, response : { code: error code, text: error text }} - FRAG_LOAD_ERROR: 'fragLoadError', - // Identifier for fragment loop loading error - data: { frag : fragment object} - FRAG_LOOP_LOADING_ERROR: 'fragLoopLoadingError', - // Identifier for fragment load timeout error - data: { frag : fragment object} - FRAG_LOAD_TIMEOUT: 'fragLoadTimeOut', - // Identifier for a fragment decryption error event - data: {id : demuxer Id,frag: fragment object, reason : parsing error description } - FRAG_DECRYPT_ERROR: 'fragDecryptError', - // Identifier for a fragment parsing error event - data: { id : demuxer Id, reason : parsing error description } - // will be renamed DEMUX_PARSING_ERROR and switched to MUX_ERROR in the next major release - FRAG_PARSING_ERROR: 'fragParsingError', - // Identifier for a remux alloc error event - data: { id : demuxer Id, frag : fragment object, bytes : nb of bytes on which allocation failed , reason : error text } - REMUX_ALLOC_ERROR: 'remuxAllocError', - // Identifier for decrypt key load error - data: { frag : fragment object, response : { code: error code, text: error text }} - KEY_LOAD_ERROR: 'keyLoadError', - // Identifier for decrypt key load timeout error - data: { frag : fragment object} - KEY_LOAD_TIMEOUT: 'keyLoadTimeOut', - // Triggered when an exception occurs while adding a sourceBuffer to MediaSource - data : { err : exception , mimeType : mimeType } - BUFFER_ADD_CODEC_ERROR: 'bufferAddCodecError', - // Identifier for a buffer append error - data: append error description - BUFFER_APPEND_ERROR: 'bufferAppendError', - // Identifier for a buffer appending error event - data: appending error description - BUFFER_APPENDING_ERROR: 'bufferAppendingError', - // Identifier for a buffer stalled error event - BUFFER_STALLED_ERROR: 'bufferStalledError', - // Identifier for a buffer full event - BUFFER_FULL_ERROR: 'bufferFullError', - // Identifier for a buffer seek over hole event - BUFFER_SEEK_OVER_HOLE: 'bufferSeekOverHole', - // Identifier for a buffer nudge on stall (playback is stuck although currentTime is in a buffered area) - BUFFER_NUDGE_ON_STALL: 'bufferNudgeOnStall', - // Identifier for an internal exception happening inside hls.js while handling an event - INTERNAL_EXCEPTION: 'internalException', - // Malformed WebVTT contents - WEBVTT_EXCEPTION: 'webVTTException' -}; +function audio_stream_controller__inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } -},{}],34:[function(_dereq_,module,exports){ -'use strict'; +/* + * Audio Stream Controller +*/ -Object.defineProperty(exports, "__esModule", { - value: true -}); -var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); /* - * - * All objects in the event handling chain should inherit from this class - * - */ -var _logger = _dereq_(53); -var _errors = _dereq_(33); -var _events = _dereq_(35); -var _events2 = _interopRequireDefault(_events); -function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } -var EventHandler = function () { - function EventHandler(hls) { - _classCallCheck(this, EventHandler); - this.hls = hls; - this.onEvent = this.onEvent.bind(this); +var audio_stream_controller_State = { + STOPPED: 'STOPPED', + STARTING: 'STARTING', + IDLE: 'IDLE', + PAUSED: 'PAUSED', + KEY_LOADING: 'KEY_LOADING', + FRAG_LOADING: 'FRAG_LOADING', + FRAG_LOADING_WAITING_RETRY: 'FRAG_LOADING_WAITING_RETRY', + WAITING_TRACK: 'WAITING_TRACK', + PARSING: 'PARSING', + PARSED: 'PARSED', + BUFFER_FLUSHING: 'BUFFER_FLUSHING', + ENDED: 'ENDED', + ERROR: 'ERROR', + WAITING_INIT_PTS: 'WAITING_INIT_PTS' +}; - for (var _len = arguments.length, events = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) { - events[_key - 1] = arguments[_key]; - } +var audio_stream_controller_AudioStreamController = function (_EventHandler) { + audio_stream_controller__inherits(AudioStreamController, _EventHandler); - this.handledEvents = events; - this.useGenericHandler = true; + function AudioStreamController(hls) { + audio_stream_controller__classCallCheck(this, AudioStreamController); - this.registerListeners(); + var _this = audio_stream_controller__possibleConstructorReturn(this, _EventHandler.call(this, hls, events["a" /* default */].MEDIA_ATTACHED, events["a" /* default */].MEDIA_DETACHING, events["a" /* default */].AUDIO_TRACKS_UPDATED, events["a" /* default */].AUDIO_TRACK_SWITCHING, events["a" /* default */].AUDIO_TRACK_LOADED, events["a" /* default */].KEY_LOADED, events["a" /* default */].FRAG_LOADED, events["a" /* default */].FRAG_PARSING_INIT_SEGMENT, events["a" /* default */].FRAG_PARSING_DATA, events["a" /* default */].FRAG_PARSED, events["a" /* default */].ERROR, events["a" /* default */].BUFFER_CREATED, events["a" /* default */].BUFFER_APPENDED, events["a" /* default */].BUFFER_FLUSHED, events["a" /* default */].INIT_PTS_FOUND)); + + _this.config = hls.config; + _this.audioCodecSwap = false; + _this.ticks = 0; + _this._state = audio_stream_controller_State.STOPPED; + _this.ontick = _this.tick.bind(_this); + _this.initPTS = []; + _this.waitingFragment = null; + _this.videoTrackCC = null; + return _this; } - _createClass(EventHandler, [{ - key: 'destroy', - value: function destroy() { - this.unregisterListeners(); - } - }, { - key: 'isEventHandler', - value: function isEventHandler() { - return _typeof(this.handledEvents) === 'object' && this.handledEvents.length && typeof this.onEvent === 'function'; - } - }, { - key: 'registerListeners', - value: function registerListeners() { - if (this.isEventHandler()) { - this.handledEvents.forEach(function (event) { - if (event === 'hlsEventGeneric') { - throw new Error('Forbidden event name: ' + event); - } - this.hls.on(event, this.onEvent); - }.bind(this)); - } + AudioStreamController.prototype.destroy = function destroy() { + this.stopLoad(); + if (this.timer) { + clearInterval(this.timer); + this.timer = null; } - }, { - key: 'unregisterListeners', - value: function unregisterListeners() { - if (this.isEventHandler()) { - this.handledEvents.forEach(function (event) { - this.hls.off(event, this.onEvent); - }.bind(this)); + event_handler.prototype.destroy.call(this); + this.state = audio_stream_controller_State.STOPPED; + }; + + //Signal that video PTS was found + + + AudioStreamController.prototype.onInitPtsFound = function onInitPtsFound(data) { + var demuxerId = data.id, + cc = data.frag.cc, + initPTS = data.initPTS; + if (demuxerId === 'main') { + //Always update the new INIT PTS + //Can change due level switch + this.initPTS[cc] = initPTS; + this.videoTrackCC = cc; + logger["b" /* logger */].log('InitPTS for cc:' + cc + ' found from video track:' + initPTS); + + //If we are waiting we need to demux/remux the waiting frag + //With the new initPTS + if (this.state === audio_stream_controller_State.WAITING_INIT_PTS) { + this.tick(); } } + }; - /** - * arguments: event (string), data (any) - */ - - }, { - key: 'onEvent', - value: function onEvent(event, data) { - this.onEventGeneric(event, data); + AudioStreamController.prototype.startLoad = function startLoad(startPosition) { + if (this.tracks) { + var lastCurrentTime = this.lastCurrentTime; + this.stopLoad(); + if (!this.timer) { + this.timer = setInterval(this.ontick, 100); + } + this.fragLoadError = 0; + if (lastCurrentTime > 0 && startPosition === -1) { + logger["b" /* logger */].log('audio:override startPosition with lastCurrentTime @' + lastCurrentTime.toFixed(3)); + this.state = audio_stream_controller_State.IDLE; + } else { + this.lastCurrentTime = this.startPosition ? this.startPosition : startPosition; + this.state = audio_stream_controller_State.STARTING; + } + this.nextLoadPosition = this.startPosition = this.lastCurrentTime; + this.tick(); + } else { + this.startPosition = startPosition; + this.state = audio_stream_controller_State.STOPPED; } - }, { - key: 'onEventGeneric', - value: function onEventGeneric(event, data) { - var eventToFunction = function eventToFunction(event, data) { - var funcName = 'on' + event.replace('hls', ''); - if (typeof this[funcName] !== 'function') { - throw new Error('Event ' + event + ' has no generic handler in this ' + this.constructor.name + ' class (tried ' + funcName + ')'); - } - return this[funcName].bind(this, data); - }; - try { - eventToFunction.call(this, event, data).call(); - } catch (err) { - _logger.logger.error('internal error happened while processing ' + event + ':' + err.message); - this.hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.OTHER_ERROR, details: _errors.ErrorDetails.INTERNAL_EXCEPTION, fatal: false, event: event, err: err }); + }; + + AudioStreamController.prototype.stopLoad = function stopLoad() { + var frag = this.fragCurrent; + if (frag) { + if (frag.loader) { + frag.loader.abort(); } + this.fragCurrent = null; } - }]); + this.fragPrevious = null; + if (this.demuxer) { + this.demuxer.destroy(); + this.demuxer = null; + } + this.state = audio_stream_controller_State.STOPPED; + }; - return EventHandler; -}(); + AudioStreamController.prototype.tick = function tick() { + this.ticks++; + if (this.ticks === 1) { + this.doTick(); + if (this.ticks > 1) { + setTimeout(this.tick, 1); + } + this.ticks = 0; + } + }; -exports.default = EventHandler; + AudioStreamController.prototype.doTick = function doTick() { + var pos, + track, + trackDetails, + hls = this.hls, + config = hls.config; + //logger.log('audioStream:' + this.state); + switch (this.state) { + case audio_stream_controller_State.ERROR: + //don't do anything in error state to avoid breaking further ... + case audio_stream_controller_State.PAUSED: + //don't do anything in paused state either ... + case audio_stream_controller_State.BUFFER_FLUSHING: + break; + case audio_stream_controller_State.STARTING: + this.state = audio_stream_controller_State.WAITING_TRACK; + this.loadedmetadata = false; + break; + case audio_stream_controller_State.IDLE: + var tracks = this.tracks; + // audio tracks not received => exit loop + if (!tracks) { + break; + } + // if video not attached AND + // start fragment already requested OR start frag prefetch disable + // exit loop + // => if media not attached but start frag prefetch is enabled and start frag not requested yet, we will not exit loop + if (!this.media && (this.startFragRequested || !config.startFragPrefetch)) { + break; + } + // determine next candidate fragment to be loaded, based on current position and + // end of buffer position + // if we have not yet loaded any fragment, start loading from start position + if (this.loadedmetadata) { + pos = this.media.currentTime; + } else { + pos = this.nextLoadPosition; + if (pos === undefined) { + break; + } + } + var media = this.mediaBuffer ? this.mediaBuffer : this.media, + videoBuffer = this.videoBuffer ? this.videoBuffer : this.media, + bufferInfo = buffer_helper.bufferInfo(media, pos, config.maxBufferHole), + mainBufferInfo = buffer_helper.bufferInfo(videoBuffer, pos, config.maxBufferHole), + bufferLen = bufferInfo.len, + bufferEnd = bufferInfo.end, + fragPrevious = this.fragPrevious, + + // ensure we buffer at least config.maxBufferLength (default 30s) + // once we reach that threshold, don't buffer more than video (mainBufferInfo.len) + maxBufLen = Math.max(config.maxBufferLength, mainBufferInfo.len), + audioSwitch = this.audioSwitch, + trackId = this.trackId; + + // if buffer length is less than maxBufLen try to load a new fragment + if ((bufferLen < maxBufLen || audioSwitch) && trackId < tracks.length) { + trackDetails = tracks[trackId].details; + // if track info not retrieved yet, switch state and wait for track retrieval + if (typeof trackDetails === 'undefined') { + this.state = audio_stream_controller_State.WAITING_TRACK; + break; + } -},{"33":33,"35":35,"53":53}],35:[function(_dereq_,module,exports){ -'use strict'; + // we just got done loading the final fragment, check if we need to finalize media stream + if (!audioSwitch && !trackDetails.live && fragPrevious && fragPrevious.sn === trackDetails.endSN) { + // if we are not seeking or if we are seeking but everything (almost) til the end is buffered, let's signal eos + // we don't compare exactly media.duration === bufferInfo.end as there could be some subtle media duration difference when switching + // between different renditions. using half frag duration should help cope with these cases. + if (!this.media.seeking || this.media.duration - bufferEnd < fragPrevious.duration / 2) { + // Finalize the media stream + this.hls.trigger(events["a" /* default */].BUFFER_EOS, { type: 'audio' }); + this.state = audio_stream_controller_State.ENDED; + break; + } + } -module.exports = { - // fired before MediaSource is attaching to media element - data: { media } - MEDIA_ATTACHING: 'hlsMediaAttaching', - // fired when MediaSource has been succesfully attached to media element - data: { } - MEDIA_ATTACHED: 'hlsMediaAttached', - // fired before detaching MediaSource from media element - data: { } - MEDIA_DETACHING: 'hlsMediaDetaching', - // fired when MediaSource has been detached from media element - data: { } - MEDIA_DETACHED: 'hlsMediaDetached', - // fired when we buffer is going to be reset - data: { } - BUFFER_RESET: 'hlsBufferReset', - // fired when we know about the codecs that we need buffers for to push into - data: {tracks : { container, codec, levelCodec, initSegment, metadata }} - BUFFER_CODECS: 'hlsBufferCodecs', - // fired when sourcebuffers have been created - data: { tracks : tracks } - BUFFER_CREATED: 'hlsBufferCreated', - // fired when we append a segment to the buffer - data: { segment: segment object } - BUFFER_APPENDING: 'hlsBufferAppending', - // fired when we are done with appending a media segment to the buffer - data : { parent : segment parent that triggered BUFFER_APPENDING, pending : nb of segments waiting for appending for this segment parent} - BUFFER_APPENDED: 'hlsBufferAppended', - // fired when the stream is finished and we want to notify the media buffer that there will be no more data - data: { } - BUFFER_EOS: 'hlsBufferEos', - // fired when the media buffer should be flushed - data { startOffset, endOffset } - BUFFER_FLUSHING: 'hlsBufferFlushing', - // fired when the media buffer has been flushed - data: { } - BUFFER_FLUSHED: 'hlsBufferFlushed', - // fired to signal that a manifest loading starts - data: { url : manifestURL} - MANIFEST_LOADING: 'hlsManifestLoading', - // fired after manifest has been loaded - data: { levels : [available quality levels], audioTracks : [ available audio tracks], url : manifestURL, stats : { trequest, tfirst, tload, mtime}} - MANIFEST_LOADED: 'hlsManifestLoaded', - // fired after manifest has been parsed - data: { levels : [available quality levels], firstLevel : index of first quality level appearing in Manifest} - MANIFEST_PARSED: 'hlsManifestParsed', - // fired when a level switch is requested - data: { level : id of new level } // deprecated in favor LEVEL_SWITCHING - LEVEL_SWITCH: 'hlsLevelSwitch', - // fired when a level switch is requested - data: { level : id of new level } - LEVEL_SWITCHING: 'hlsLevelSwitching', - // fired when a level switch is effective - data: { level : id of new level } - LEVEL_SWITCHED: 'hlsLevelSwitched', - // fired when a level playlist loading starts - data: { url : level URL, level : id of level being loaded} - LEVEL_LOADING: 'hlsLevelLoading', - // fired when a level playlist loading finishes - data: { details : levelDetails object, level : id of loaded level, stats : { trequest, tfirst, tload, mtime} } - LEVEL_LOADED: 'hlsLevelLoaded', - // fired when a level's details have been updated based on previous details, after it has been loaded - data: { details : levelDetails object, level : id of updated level } - LEVEL_UPDATED: 'hlsLevelUpdated', - // fired when a level's PTS information has been updated after parsing a fragment - data: { details : levelDetails object, level : id of updated level, drift: PTS drift observed when parsing last fragment } - LEVEL_PTS_UPDATED: 'hlsLevelPtsUpdated', - // fired to notify that audio track lists has been updated - data: { audioTracks : audioTracks } - AUDIO_TRACKS_UPDATED: 'hlsAudioTracksUpdated', - // fired when an audio track switch occurs - data: { id : audio track id } // deprecated in favor AUDIO_TRACK_SWITCHING - AUDIO_TRACK_SWITCH: 'hlsAudioTrackSwitch', - // fired when an audio track switching is requested - data: { id : audio track id } - AUDIO_TRACK_SWITCHING: 'hlsAudioTrackSwitching', - // fired when an audio track switch actually occurs - data: { id : audio track id } - AUDIO_TRACK_SWITCHED: 'hlsAudioTrackSwitched', - // fired when an audio track loading starts - data: { url : audio track URL, id : audio track id } - AUDIO_TRACK_LOADING: 'hlsAudioTrackLoading', - // fired when an audio track loading finishes - data: { details : levelDetails object, id : audio track id, stats : { trequest, tfirst, tload, mtime } } - AUDIO_TRACK_LOADED: 'hlsAudioTrackLoaded', - // fired to notify that subtitle track lists has been updated - data: { subtitleTracks : subtitleTracks } - SUBTITLE_TRACKS_UPDATED: 'hlsSubtitleTracksUpdated', - // fired when an subtitle track switch occurs - data: { id : subtitle track id } - SUBTITLE_TRACK_SWITCH: 'hlsSubtitleTrackSwitch', - // fired when a subtitle track loading starts - data: { url : subtitle track URL, id : subtitle track id } - SUBTITLE_TRACK_LOADING: 'hlsSubtitleTrackLoading', - // fired when a subtitle track loading finishes - data: { details : levelDetails object, id : subtitle track id, stats : { trequest, tfirst, tload, mtime } } - SUBTITLE_TRACK_LOADED: 'hlsSubtitleTrackLoaded', - // fired when a subtitle fragment has been processed - data: { success : boolean, frag : the processed frag } - SUBTITLE_FRAG_PROCESSED: 'hlsSubtitleFragProcessed', - // fired when the first timestamp is found - data: { id : demuxer id, initPTS: initPTS, frag : fragment object } - INIT_PTS_FOUND: 'hlsInitPtsFound', - // fired when a fragment loading starts - data: { frag : fragment object } - FRAG_LOADING: 'hlsFragLoading', - // fired when a fragment loading is progressing - data: { frag : fragment object, { trequest, tfirst, loaded } } - FRAG_LOAD_PROGRESS: 'hlsFragLoadProgress', - // Identifier for fragment load aborting for emergency switch down - data: { frag : fragment object } - FRAG_LOAD_EMERGENCY_ABORTED: 'hlsFragLoadEmergencyAborted', - // fired when a fragment loading is completed - data: { frag : fragment object, payload : fragment payload, stats : { trequest, tfirst, tload, length } } - FRAG_LOADED: 'hlsFragLoaded', - // fired when a fragment has finished decrypting - data: { id : demuxer id, frag: fragment object, stats : { tstart, tdecrypt } } - FRAG_DECRYPTED: 'hlsFragDecrypted', - // fired when Init Segment has been extracted from fragment - data: { id : demuxer id, frag: fragment object, moov : moov MP4 box, codecs : codecs found while parsing fragment } - FRAG_PARSING_INIT_SEGMENT: 'hlsFragParsingInitSegment', - // fired when parsing sei text is completed - data: { id : demuxer id, frag: fragment object, samples : [ sei samples pes ] } - FRAG_PARSING_USERDATA: 'hlsFragParsingUserdata', - // fired when parsing id3 is completed - data: { id : demuxer id, frag: fragment object, samples : [ id3 samples pes ] } - FRAG_PARSING_METADATA: 'hlsFragParsingMetadata', - // fired when data have been extracted from fragment - data: { id : demuxer id, frag: fragment object, data1 : moof MP4 box or TS fragments, data2 : mdat MP4 box or null} - FRAG_PARSING_DATA: 'hlsFragParsingData', - // fired when fragment parsing is completed - data: { id : demuxer id, frag: fragment object } - FRAG_PARSED: 'hlsFragParsed', - // fired when fragment remuxed MP4 boxes have all been appended into SourceBuffer - data: { id : demuxer id, frag : fragment object, stats : { trequest, tfirst, tload, tparsed, tbuffered, length, bwEstimate } } - FRAG_BUFFERED: 'hlsFragBuffered', - // fired when fragment matching with current media position is changing - data : { id : demuxer id, frag : fragment object } - FRAG_CHANGED: 'hlsFragChanged', - // Identifier for a FPS drop event - data: { curentDropped, currentDecoded, totalDroppedFrames } - FPS_DROP: 'hlsFpsDrop', - //triggered when FPS drop triggers auto level capping - data: { level, droppedlevel } - FPS_DROP_LEVEL_CAPPING: 'hlsFpsDropLevelCapping', - // Identifier for an error event - data: { type : error type, details : error details, fatal : if true, hls.js cannot/will not try to recover, if false, hls.js will try to recover,other error specific data } - ERROR: 'hlsError', - // fired when hls.js instance starts destroying. Different from MEDIA_DETACHED as one could want to detach and reattach a media to the instance of hls.js to handle mid-rolls for example - data: { } - DESTROYING: 'hlsDestroying', - // fired when a decrypt key loading starts - data: { frag : fragment object } - KEY_LOADING: 'hlsKeyLoading', - // fired when a decrypt key loading is completed - data: { frag : fragment object, payload : key payload, stats : { trequest, tfirst, tload, length } } - KEY_LOADED: 'hlsKeyLoaded', - // fired upon stream controller state transitions - data: { previousState, nextState } - STREAM_STATE_TRANSITION: 'hlsStreamStateTransition' -}; + // find fragment index, contiguous with end of buffer position + var fragments = trackDetails.fragments, + fragLen = fragments.length, + start = fragments[0].start, + end = fragments[fragLen - 1].start + fragments[fragLen - 1].duration, + frag = void 0; + + // When switching audio track, reload audio as close as possible to currentTime + if (audioSwitch) { + if (trackDetails.live && !trackDetails.PTSKnown) { + logger["b" /* logger */].log('switching audiotrack, live stream, unknown PTS,load first fragment'); + bufferEnd = 0; + } else { + bufferEnd = pos; + // if currentTime (pos) is less than alt audio playlist start time, it means that alt audio is ahead of currentTime + if (trackDetails.PTSKnown && pos < start) { + // if everything is buffered from pos to start or if audio buffer upfront, let's seek to start + if (bufferInfo.end > start || bufferInfo.nextStart) { + logger["b" /* logger */].log('alt audio track ahead of main track, seek to start of alt audio track'); + this.media.currentTime = start + 0.05; + } else { + return; + } + } + } + } + if (trackDetails.initSegment && !trackDetails.initSegment.data) { + frag = trackDetails.initSegment; + } + // if bufferEnd before start of playlist, load first fragment + else if (bufferEnd <= start) { + frag = fragments[0]; + if (this.videoTrackCC !== null && frag.cc !== this.videoTrackCC) { + // Ensure we find a fragment which matches the continuity of the video track + frag = findFragWithCC(fragments, this.videoTrackCC); + } + if (trackDetails.live && frag.loadIdx && frag.loadIdx === this.fragLoadIdx) { + // we just loaded this first fragment, and we are still lagging behind the start of the live playlist + // let's force seek to start + var nextBuffered = bufferInfo.nextStart ? bufferInfo.nextStart : start; + logger["b" /* logger */].log('no alt audio available @currentTime:' + this.media.currentTime + ', seeking @' + (nextBuffered + 0.05)); + this.media.currentTime = nextBuffered + 0.05; + return; + } + } else { + var foundFrag = void 0; + var maxFragLookUpTolerance = config.maxFragLookUpTolerance; + var fragNext = fragPrevious ? fragments[fragPrevious.sn - fragments[0].sn + 1] : undefined; + var fragmentWithinToleranceTest = function fragmentWithinToleranceTest(candidate) { + // offset should be within fragment boundary - config.maxFragLookUpTolerance + // this is to cope with situations like + // bufferEnd = 9.991 + // frag[Ø] : [0,10] + // frag[1] : [10,20] + // bufferEnd is within frag[0] range ... although what we are expecting is to return frag[1] here + // frag start frag start+duration + // |-----------------------------| + // <---> <---> + // ...--------><-----------------------------><---------.... + // previous frag matching fragment next frag + // return -1 return 0 return 1 + //logger.log(`level/sn/start/end/bufEnd:${level}/${candidate.sn}/${candidate.start}/${(candidate.start+candidate.duration)}/${bufferEnd}`); + // Set the lookup tolerance to be small enough to detect the current segment - ensures we don't skip over very small segments + var candidateLookupTolerance = Math.min(maxFragLookUpTolerance, candidate.duration); + if (candidate.start + candidate.duration - candidateLookupTolerance <= bufferEnd) { + return 1; + } // if maxFragLookUpTolerance will have negative value then don't return -1 for first element + else if (candidate.start - candidateLookupTolerance > bufferEnd && candidate.start) { + return -1; + } + return 0; + }; -},{}],36:[function(_dereq_,module,exports){ -'use strict'; + if (bufferEnd < end) { + if (bufferEnd > end - maxFragLookUpTolerance) { + maxFragLookUpTolerance = 0; + } + // Prefer the next fragment if it's within tolerance + if (fragNext && !fragmentWithinToleranceTest(fragNext)) { + foundFrag = fragNext; + } else { + foundFrag = binary_search.search(fragments, fragmentWithinToleranceTest); + } + } else { + // reach end of playlist + foundFrag = fragments[fragLen - 1]; + } + if (foundFrag) { + frag = foundFrag; + start = foundFrag.start; + //logger.log('find SN matching with pos:' + bufferEnd + ':' + frag.sn); + if (fragPrevious && frag.level === fragPrevious.level && frag.sn === fragPrevious.sn) { + if (frag.sn < trackDetails.endSN) { + frag = fragments[frag.sn + 1 - trackDetails.startSN]; + logger["b" /* logger */].log('SN just loaded, load next one: ' + frag.sn); + } else { + frag = null; + } + } + } + } + if (frag) { + //logger.log(' loading frag ' + i +',pos/bufEnd:' + pos.toFixed(3) + '/' + bufferEnd.toFixed(3)); + if (frag.decryptdata && frag.decryptdata.uri != null && frag.decryptdata.key == null) { + logger["b" /* logger */].log('Loading key for ' + frag.sn + ' of [' + trackDetails.startSN + ' ,' + trackDetails.endSN + '],track ' + trackId); + this.state = audio_stream_controller_State.KEY_LOADING; + hls.trigger(events["a" /* default */].KEY_LOADING, { frag: frag }); + } else { + logger["b" /* logger */].log('Loading ' + frag.sn + ', cc: ' + frag.cc + ' of [' + trackDetails.startSN + ' ,' + trackDetails.endSN + '],track ' + trackId + ', currentTime:' + pos + ',bufferEnd:' + bufferEnd.toFixed(3)); + // ensure that we are not reloading the same fragments in loop ... + if (this.fragLoadIdx !== undefined) { + this.fragLoadIdx++; + } else { + this.fragLoadIdx = 0; + } + if (frag.loadCounter) { + frag.loadCounter++; + var maxThreshold = config.fragLoadingLoopThreshold; + // if this frag has already been loaded 3 times, and if it has been reloaded recently + if (frag.loadCounter > maxThreshold && Math.abs(this.fragLoadIdx - frag.loadIdx) < maxThreshold) { + hls.trigger(events["a" /* default */].ERROR, { type: errors["b" /* ErrorTypes */].MEDIA_ERROR, details: errors["a" /* ErrorDetails */].FRAG_LOOP_LOADING_ERROR, fatal: false, frag: frag }); + return; + } + } else { + frag.loadCounter = 1; + } + frag.loadIdx = this.fragLoadIdx; + this.fragCurrent = frag; + this.startFragRequested = true; + if (!isNaN(frag.sn)) { + this.nextLoadPosition = frag.start + frag.duration; + } + hls.trigger(events["a" /* default */].FRAG_LOADING, { frag: frag }); + this.state = audio_stream_controller_State.FRAG_LOADING; + } + } + } + break; + case audio_stream_controller_State.WAITING_TRACK: + track = this.tracks[this.trackId]; + // check if playlist is already loaded + if (track && track.details) { + this.state = audio_stream_controller_State.IDLE; + } + break; + case audio_stream_controller_State.FRAG_LOADING_WAITING_RETRY: + var now = performance.now(); + var retryDate = this.retryDate; + media = this.media; + var isSeeking = media && media.seeking; + // if current time is gt than retryDate, or if media seeking let's switch to IDLE state to retry loading + if (!retryDate || now >= retryDate || isSeeking) { + logger["b" /* logger */].log('audioStreamController: retryDate reached, switch back to IDLE state'); + this.state = audio_stream_controller_State.IDLE; + } + break; + case audio_stream_controller_State.WAITING_INIT_PTS: + var videoTrackCC = this.videoTrackCC; + if (this.initPTS[videoTrackCC] === undefined) { + break; + } -Object.defineProperty(exports, "__esModule", { - value: true -}); + // Ensure we don't get stuck in the WAITING_INIT_PTS state if the waiting frag CC doesn't match any initPTS + var waitingFrag = this.waitingFragment; + if (waitingFrag) { + var waitingFragCC = waitingFrag.frag.cc; + if (videoTrackCC !== waitingFragCC) { + track = this.tracks[this.trackId]; + if (track.details && track.details.live) { + logger["b" /* logger */].warn('Waiting fragment CC (' + waitingFragCC + ') does not match video track CC (' + videoTrackCC + ')'); + this.waitingFragment = null; + this.state = audio_stream_controller_State.IDLE; + } + } else { + this.state = audio_stream_controller_State.FRAG_LOADING; + this.onFragLoaded(this.waitingFragment); + this.waitingFragment = null; + } + } else { + this.state = audio_stream_controller_State.IDLE; + } -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); + break; + case audio_stream_controller_State.STOPPED: + case audio_stream_controller_State.FRAG_LOADING: + case audio_stream_controller_State.PARSING: + case audio_stream_controller_State.PARSED: + case audio_stream_controller_State.ENDED: + break; + default: + break; + } + }; -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + AudioStreamController.prototype.onMediaAttached = function onMediaAttached(data) { + var media = this.media = this.mediaBuffer = data.media; + this.onvseeking = this.onMediaSeeking.bind(this); + this.onvended = this.onMediaEnded.bind(this); + media.addEventListener('seeking', this.onvseeking); + media.addEventListener('ended', this.onvended); + var config = this.config; + if (this.tracks && config.autoStartLoad) { + this.startLoad(config.startPosition); + } + }; -/** - * AAC helper - */ + AudioStreamController.prototype.onMediaDetaching = function onMediaDetaching() { + var media = this.media; + if (media && media.ended) { + logger["b" /* logger */].log('MSE detaching and video ended, reset startPosition'); + this.startPosition = this.lastCurrentTime = 0; + } -var AAC = function () { - function AAC() { - _classCallCheck(this, AAC); - } - - _createClass(AAC, null, [{ - key: 'getSilentFrame', - value: function getSilentFrame(codec, channelCount) { - switch (codec) { - case 'mp4a.40.2': - if (channelCount === 1) { - return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x23, 0x80]); - } else if (channelCount === 2) { - return new Uint8Array([0x21, 0x00, 0x49, 0x90, 0x02, 0x19, 0x00, 0x23, 0x80]); - } else if (channelCount === 3) { - return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x8e]); - } else if (channelCount === 4) { - return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x80, 0x2c, 0x80, 0x08, 0x02, 0x38]); - } else if (channelCount === 5) { - return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x82, 0x30, 0x04, 0x99, 0x00, 0x21, 0x90, 0x02, 0x38]); - } else if (channelCount === 6) { - return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x82, 0x30, 0x04, 0x99, 0x00, 0x21, 0x90, 0x02, 0x00, 0xb2, 0x00, 0x20, 0x08, 0xe0]); - } - break; - // handle HE-AAC below (mp4a.40.5 / mp4a.40.29) - default: - if (channelCount === 1) { - // ffmpeg -y -f lavfi -i "aevalsrc=0:d=0.05" -c:a libfdk_aac -profile:a aac_he -b:a 4k output.aac && hexdump -v -e '16/1 "0x%x," "\n"' -v output.aac - return new Uint8Array([0x1, 0x40, 0x22, 0x80, 0xa3, 0x4e, 0xe6, 0x80, 0xba, 0x8, 0x0, 0x0, 0x0, 0x1c, 0x6, 0xf1, 0xc1, 0xa, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5e]); - } else if (channelCount === 2) { - // ffmpeg -y -f lavfi -i "aevalsrc=0|0:d=0.05" -c:a libfdk_aac -profile:a aac_he_v2 -b:a 4k output.aac && hexdump -v -e '16/1 "0x%x," "\n"' -v output.aac - return new Uint8Array([0x1, 0x40, 0x22, 0x80, 0xa3, 0x5e, 0xe6, 0x80, 0xba, 0x8, 0x0, 0x0, 0x0, 0x0, 0x95, 0x0, 0x6, 0xf1, 0xa1, 0xa, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5e]); - } else if (channelCount === 3) { - // ffmpeg -y -f lavfi -i "aevalsrc=0|0|0:d=0.05" -c:a libfdk_aac -profile:a aac_he_v2 -b:a 4k output.aac && hexdump -v -e '16/1 "0x%x," "\n"' -v output.aac - return new Uint8Array([0x1, 0x40, 0x22, 0x80, 0xa3, 0x5e, 0xe6, 0x80, 0xba, 0x8, 0x0, 0x0, 0x0, 0x0, 0x95, 0x0, 0x6, 0xf1, 0xa1, 0xa, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5e]); - } - break; - } - return null; + // reset fragment loading counter on MSE detaching to avoid reporting FRAG_LOOP_LOADING_ERROR after error recovery + var tracks = this.tracks; + if (tracks) { + // reset fragment load counter + tracks.forEach(function (track) { + if (track.details) { + track.details.fragments.forEach(function (fragment) { + fragment.loadCounter = undefined; + }); + } + }); } - }]); + // remove video listeners + if (media) { + media.removeEventListener('seeking', this.onvseeking); + media.removeEventListener('ended', this.onvended); + this.onvseeking = this.onvseeked = this.onvended = null; + } + this.media = this.mediaBuffer = this.videoBuffer = null; + this.loadedmetadata = false; + this.stopLoad(); + }; - return AAC; -}(); + AudioStreamController.prototype.onMediaSeeking = function onMediaSeeking() { + if (this.state === audio_stream_controller_State.ENDED) { + // switch to IDLE state to check for potential new fragment + this.state = audio_stream_controller_State.IDLE; + } + if (this.media) { + this.lastCurrentTime = this.media.currentTime; + } + // avoid reporting fragment loop loading error in case user is seeking several times on same position + if (this.fragLoadIdx !== undefined) { + this.fragLoadIdx += 2 * this.config.fragLoadingLoopThreshold; + } + // tick to speed up processing + this.tick(); + }; -exports.default = AAC; + AudioStreamController.prototype.onMediaEnded = function onMediaEnded() { + // reset startPosition and lastCurrentTime to restart playback @ stream beginning + this.startPosition = this.lastCurrentTime = 0; + }; -},{}],37:[function(_dereq_,module,exports){ -"use strict"; + AudioStreamController.prototype.onAudioTracksUpdated = function onAudioTracksUpdated(data) { + logger["b" /* logger */].log('audio tracks updated'); + this.tracks = data.audioTracks; + }; -/** - * Buffer Helper utils, providing methods dealing buffer length retrieval -*/ + AudioStreamController.prototype.onAudioTrackSwitching = function onAudioTrackSwitching(data) { + // if any URL found on new audio track, it is an alternate audio track + var altAudio = !!data.url; + this.trackId = data.id; -var BufferHelper = { - isBuffered: function isBuffered(media, position) { - if (media) { - var buffered = media.buffered; - for (var i = 0; i < buffered.length; i++) { - if (position >= buffered.start(i) && position <= buffered.end(i)) { - return true; - } + this.fragCurrent = null; + this.state = audio_stream_controller_State.PAUSED; + this.waitingFragment = null; + // destroy useless demuxer when switching audio to main + if (!altAudio) { + if (this.demuxer) { + this.demuxer.destroy(); + this.demuxer = null; + } + } else { + // switching to audio track, start timer if not already started + if (!this.timer) { + this.timer = setInterval(this.ontick, 100); } } - return false; - }, - bufferInfo: function bufferInfo(media, pos, maxHoleDuration) { - if (media) { - var vbuffered = media.buffered, - buffered = [], - i; - for (i = 0; i < vbuffered.length; i++) { - buffered.push({ start: vbuffered.start(i), end: vbuffered.end(i) }); + //should we switch tracks ? + if (altAudio) { + this.audioSwitch = true; + //main audio track are handled by stream-controller, just do something if switching to alt audio track + this.state = audio_stream_controller_State.IDLE; + // increase fragment load Index to avoid frag loop loading error after buffer flush + if (this.fragLoadIdx !== undefined) { + this.fragLoadIdx += 2 * this.config.fragLoadingLoopThreshold; } - return this.bufferedInfo(buffered, pos, maxHoleDuration); - } else { - return { len: 0, start: pos, end: pos, nextStart: undefined }; } - }, + this.tick(); + }; - bufferedInfo: function bufferedInfo(buffered, pos, maxHoleDuration) { - var buffered2 = [], + AudioStreamController.prototype.onAudioTrackLoaded = function onAudioTrackLoaded(data) { + var newDetails = data.details, + trackId = data.id, + track = this.tracks[trackId], + duration = newDetails.totalduration, + sliding = 0; - // bufferStart and bufferEnd are buffer boundaries around current video position - bufferLen, - bufferStart, - bufferEnd, - bufferStartNext, - i; - // sort on buffer.start/smaller end (IE does not always return sorted buffered range) - buffered.sort(function (a, b) { - var diff = a.start - b.start; - if (diff) { - return diff; - } else { - return b.end - a.end; - } - }); - // there might be some small holes between buffer time range - // consider that holes smaller than maxHoleDuration are irrelevant and build another - // buffer time range representations that discards those holes - for (i = 0; i < buffered.length; i++) { - var buf2len = buffered2.length; - if (buf2len) { - var buf2end = buffered2[buf2len - 1].end; - // if small hole (value between 0 or maxHoleDuration ) or overlapping (negative) - if (buffered[i].start - buf2end < maxHoleDuration) { - // merge overlapping time ranges - // update lastRange.end only if smaller than item.end - // e.g. [ 1, 15] with [ 2,8] => [ 1,15] (no need to modify lastRange.end) - // whereas [ 1, 8] with [ 2,15] => [ 1,15] ( lastRange should switch from [1,8] to [1,15]) - if (buffered[i].end > buf2end) { - buffered2[buf2len - 1].end = buffered[i].end; - } + logger["b" /* logger */].log('track ' + trackId + ' loaded [' + newDetails.startSN + ',' + newDetails.endSN + '],duration:' + duration); + + if (newDetails.live) { + var curDetails = track.details; + if (curDetails && newDetails.fragments.length > 0) { + // we already have details for that level, merge them + mergeDetails(curDetails, newDetails); + sliding = newDetails.fragments[0].start; + // TODO + //this.liveSyncPosition = this.computeLivePosition(sliding, curDetails); + if (newDetails.PTSKnown) { + logger["b" /* logger */].log('live audio playlist sliding:' + sliding.toFixed(3)); } else { - // big hole - buffered2.push(buffered[i]); + logger["b" /* logger */].log('live audio playlist - outdated PTS, unknown sliding'); } } else { - // first value - buffered2.push(buffered[i]); + newDetails.PTSKnown = false; + logger["b" /* logger */].log('live audio playlist - first load, unknown sliding'); } + } else { + newDetails.PTSKnown = false; } - for (i = 0, bufferLen = 0, bufferStart = bufferEnd = pos; i < buffered2.length; i++) { - var start = buffered2[i].start, - end = buffered2[i].end; - //logger.log('buf start/end:' + buffered.start(i) + '/' + buffered.end(i)); - if (pos + maxHoleDuration >= start && pos < end) { - // play position is inside this buffer TimeRange, retrieve end of buffer position and buffer length - bufferStart = start; - bufferEnd = end; - bufferLen = bufferEnd - pos; - } else if (pos + maxHoleDuration < start) { - bufferStartNext = start; - break; + track.details = newDetails; + + // compute start position + if (!this.startFragRequested) { + // compute start position if set to -1. use it straight away if value is defined + if (this.startPosition === -1) { + // first, check if start time offset has been set in playlist, if yes, use this value + var startTimeOffset = newDetails.startTimeOffset; + if (!isNaN(startTimeOffset)) { + logger["b" /* logger */].log('start time offset found in playlist, adjust startPosition to ' + startTimeOffset); + this.startPosition = startTimeOffset; + } else { + this.startPosition = 0; + } } + this.nextLoadPosition = this.startPosition; } - return { len: bufferLen, start: bufferStart, end: bufferEnd, nextStart: bufferStartNext }; - } -}; - -module.exports = BufferHelper; - -},{}],38:[function(_dereq_,module,exports){ -'use strict'; - -var _logger = _dereq_(53); - -var LevelHelper = { - - mergeDetails: function mergeDetails(oldDetails, newDetails) { - var start = Math.max(oldDetails.startSN, newDetails.startSN) - newDetails.startSN, - end = Math.min(oldDetails.endSN, newDetails.endSN) - newDetails.startSN, - delta = newDetails.startSN - oldDetails.startSN, - oldfragments = oldDetails.fragments, - newfragments = newDetails.fragments, - ccOffset = 0, - PTSFrag; + // only switch batck to IDLE state if we were waiting for track to start downloading a new fragment + if (this.state === audio_stream_controller_State.WAITING_TRACK) { + this.state = audio_stream_controller_State.IDLE; + } + //trigger handler right now + this.tick(); + }; - // check if old/new playlists have fragments in common - if (end < start) { - newDetails.PTSKnown = false; - return; + AudioStreamController.prototype.onKeyLoaded = function onKeyLoaded() { + if (this.state === audio_stream_controller_State.KEY_LOADING) { + this.state = audio_stream_controller_State.IDLE; + this.tick(); } - // loop through overlapping SN and update startPTS , cc, and duration if any found - for (var i = start; i <= end; i++) { - var oldFrag = oldfragments[delta + i], - newFrag = newfragments[i]; - if (newFrag && oldFrag) { - ccOffset = oldFrag.cc - newFrag.cc; - if (!isNaN(oldFrag.startPTS)) { - newFrag.start = newFrag.startPTS = oldFrag.startPTS; - newFrag.endPTS = oldFrag.endPTS; - newFrag.duration = oldFrag.duration; - newFrag.backtracked = oldFrag.backtracked; - newFrag.dropped = oldFrag.dropped; - PTSFrag = newFrag; + }; + + AudioStreamController.prototype.onFragLoaded = function onFragLoaded(data) { + var fragCurrent = this.fragCurrent, + fragLoaded = data.frag; + if (this.state === audio_stream_controller_State.FRAG_LOADING && fragCurrent && fragLoaded.type === 'audio' && fragLoaded.level === fragCurrent.level && fragLoaded.sn === fragCurrent.sn) { + var track = this.tracks[this.trackId], + details = track.details, + duration = details.totalduration, + trackId = fragCurrent.level, + sn = fragCurrent.sn, + cc = fragCurrent.cc, + audioCodec = this.config.defaultAudioCodec || track.audioCodec || 'mp4a.40.2', + stats = this.stats = data.stats; + if (sn === 'initSegment') { + this.state = audio_stream_controller_State.IDLE; + + stats.tparsed = stats.tbuffered = performance.now(); + details.initSegment.data = data.payload; + this.hls.trigger(events["a" /* default */].FRAG_BUFFERED, { stats: stats, frag: fragCurrent, id: 'audio' }); + this.tick(); + } else { + this.state = audio_stream_controller_State.PARSING; + // transmux the MPEG-TS data to ISO-BMFF segments + this.appended = false; + if (!this.demuxer) { + this.demuxer = new demux_demuxer(this.hls, 'audio'); + } + //Check if we have video initPTS + // If not we need to wait for it + var initPTS = this.initPTS[cc]; + var initSegmentData = details.initSegment ? details.initSegment.data : []; + if (details.initSegment || initPTS !== undefined) { + this.pendingBuffering = true; + logger["b" /* logger */].log('Demuxing ' + sn + ' of [' + details.startSN + ' ,' + details.endSN + '],track ' + trackId); + // time Offset is accurate if level PTS is known, or if playlist is not sliding (not live) + var accurateTimeOffset = false; //details.PTSKnown || !details.live; + this.demuxer.push(data.payload, initSegmentData, audioCodec, null, fragCurrent, duration, accurateTimeOffset, initPTS); + } else { + logger["b" /* logger */].log('unknown video PTS for continuity counter ' + cc + ', waiting for video PTS before demuxing audio frag ' + sn + ' of [' + details.startSN + ' ,' + details.endSN + '],track ' + trackId); + this.waitingFragment = data; + this.state = audio_stream_controller_State.WAITING_INIT_PTS; } } } + this.fragLoadError = 0; + }; - if (ccOffset) { - _logger.logger.log('discontinuity sliding from playlist, take drift into account'); - for (i = 0; i < newfragments.length; i++) { - newfragments[i].cc += ccOffset; + AudioStreamController.prototype.onFragParsingInitSegment = function onFragParsingInitSegment(data) { + var fragCurrent = this.fragCurrent; + var fragNew = data.frag; + if (fragCurrent && data.id === 'audio' && fragNew.sn === fragCurrent.sn && fragNew.level === fragCurrent.level && this.state === audio_stream_controller_State.PARSING) { + var tracks = data.tracks, + track = void 0; + + // delete any video track found on audio demuxer + if (tracks.video) { + delete tracks.video; + } + + // include levelCodec in audio and video tracks + track = tracks.audio; + if (track) { + track.levelCodec = track.codec; + track.id = data.id; + this.hls.trigger(events["a" /* default */].BUFFER_CODECS, tracks); + logger["b" /* logger */].log('audio track:audio,container:' + track.container + ',codecs[level/parsed]=[' + track.levelCodec + '/' + track.codec + ']'); + var initSegment = track.initSegment; + if (initSegment) { + var appendObj = { type: 'audio', data: initSegment, parent: 'audio', content: 'initSegment' }; + if (this.audioSwitch) { + this.pendingData = [appendObj]; + } else { + this.appended = true; + // arm pending Buffering flag before appending a segment + this.pendingBuffering = true; + this.hls.trigger(events["a" /* default */].BUFFER_APPENDING, appendObj); + } + } + //trigger handler right now + this.tick(); } } + }; - // if at least one fragment contains PTS info, recompute PTS information for all fragments - if (PTSFrag) { - LevelHelper.updateFragPTSDTS(newDetails, PTSFrag, PTSFrag.startPTS, PTSFrag.endPTS, PTSFrag.startDTS, PTSFrag.endDTS); - } else { - // ensure that delta is within oldfragments range - // also adjust sliding in case delta is 0 (we could have old=[50-60] and new=old=[50-61]) - // in that case we also need to adjust start offset of all fragments - if (delta >= 0 && delta < oldfragments.length) { - // adjust start by sliding offset - var sliding = oldfragments[delta].start; - for (i = 0; i < newfragments.length; i++) { - newfragments[i].start += sliding; + AudioStreamController.prototype.onFragParsingData = function onFragParsingData(data) { + var _this2 = this; + + var fragCurrent = this.fragCurrent; + var fragNew = data.frag; + if (fragCurrent && data.id === 'audio' && data.type === 'audio' && fragNew.sn === fragCurrent.sn && fragNew.level === fragCurrent.level && this.state === audio_stream_controller_State.PARSING) { + var trackId = this.trackId, + track = this.tracks[trackId], + hls = this.hls; + + if (isNaN(data.endPTS)) { + data.endPTS = data.startPTS + fragCurrent.duration; + data.endDTS = data.startDTS + fragCurrent.duration; + } + + logger["b" /* logger */].log('parsed ' + data.type + ',PTS:[' + data.startPTS.toFixed(3) + ',' + data.endPTS.toFixed(3) + '],DTS:[' + data.startDTS.toFixed(3) + '/' + data.endDTS.toFixed(3) + '],nb:' + data.nb); + updateFragPTSDTS(track.details, fragCurrent, data.startPTS, data.endPTS); + + var audioSwitch = this.audioSwitch, + media = this.media, + appendOnBufferFlush = false; + //Only flush audio from old audio tracks when PTS is known on new audio track + if (audioSwitch && media) { + if (media.readyState) { + var currentTime = media.currentTime; + logger["b" /* logger */].log('switching audio track : currentTime:' + currentTime); + if (currentTime >= data.startPTS) { + logger["b" /* logger */].log('switching audio track : flushing all audio'); + this.state = audio_stream_controller_State.BUFFER_FLUSHING; + hls.trigger(events["a" /* default */].BUFFER_FLUSHING, { startOffset: 0, endOffset: Number.POSITIVE_INFINITY, type: 'audio' }); + appendOnBufferFlush = true; + //Lets announce that the initial audio track switch flush occur + this.audioSwitch = false; + hls.trigger(events["a" /* default */].AUDIO_TRACK_SWITCHED, { id: trackId }); + } + } else { + //Lets announce that the initial audio track switch flush occur + this.audioSwitch = false; + hls.trigger(events["a" /* default */].AUDIO_TRACK_SWITCHED, { id: trackId }); } } - } - // if we are here, it means we have fragments overlapping between - // old and new level. reliable PTS info is thus relying on old level - newDetails.PTSKnown = oldDetails.PTSKnown; - return; - }, - updateFragPTSDTS: function updateFragPTSDTS(details, frag, startPTS, endPTS, startDTS, endDTS) { - // update frag PTS/DTS - if (!isNaN(frag.startPTS)) { - // delta PTS between audio and video - var deltaPTS = Math.abs(frag.startPTS - startPTS); - if (isNaN(frag.deltaPTS)) { - frag.deltaPTS = deltaPTS; - } else { - frag.deltaPTS = Math.max(deltaPTS, frag.deltaPTS); + var pendingData = this.pendingData; + if (!this.audioSwitch) { + [data.data1, data.data2].forEach(function (buffer) { + if (buffer && buffer.length) { + pendingData.push({ type: data.type, data: buffer, parent: 'audio', content: 'data' }); + } + }); + if (!appendOnBufferFlush && pendingData.length) { + pendingData.forEach(function (appendObj) { + // only append in PARSING state (rationale is that an appending error could happen synchronously on first segment appending) + // in that case it is useless to append following segments + if (_this2.state === audio_stream_controller_State.PARSING) { + // arm pending Buffering flag before appending a segment + _this2.pendingBuffering = true; + _this2.hls.trigger(events["a" /* default */].BUFFER_APPENDING, appendObj); + } + }); + this.pendingData = []; + this.appended = true; + } } - startPTS = Math.min(startPTS, frag.startPTS); - endPTS = Math.max(endPTS, frag.endPTS); - startDTS = Math.min(startDTS, frag.startDTS); - endDTS = Math.max(endDTS, frag.endDTS); + //trigger handler right now + this.tick(); } + }; - var drift = startPTS - frag.start; - frag.start = frag.startPTS = startPTS; - frag.endPTS = endPTS; - frag.startDTS = startDTS; - frag.endDTS = endDTS; - frag.duration = endPTS - startPTS; + AudioStreamController.prototype.onFragParsed = function onFragParsed(data) { + var fragCurrent = this.fragCurrent; + var fragNew = data.frag; + if (fragCurrent && data.id === 'audio' && fragNew.sn === fragCurrent.sn && fragNew.level === fragCurrent.level && this.state === audio_stream_controller_State.PARSING) { + this.stats.tparsed = performance.now(); + this.state = audio_stream_controller_State.PARSED; + this._checkAppendedParsed(); + } + }; - var sn = frag.sn; - // exit if sn out of range - if (!details || sn < details.startSN || sn > details.endSN) { - return 0; + AudioStreamController.prototype.onBufferCreated = function onBufferCreated(data) { + var audioTrack = data.tracks.audio; + if (audioTrack) { + this.mediaBuffer = audioTrack.buffer; + this.loadedmetadata = true; } - var fragIdx, fragments, i; - fragIdx = sn - details.startSN; - fragments = details.fragments; - frag = fragments[fragIdx]; - // adjust fragment PTS/duration from seqnum-1 to frag 0 - for (i = fragIdx; i > 0; i--) { - LevelHelper.updatePTS(fragments, i, i - 1); + if (data.tracks.video) { + this.videoBuffer = data.tracks.video.buffer; } + }; - // adjust fragment PTS/duration from seqnum to last frag - for (i = fragIdx; i < fragments.length - 1; i++) { - LevelHelper.updatePTS(fragments, i, i + 1); + AudioStreamController.prototype.onBufferAppended = function onBufferAppended(data) { + if (data.parent === 'audio') { + var state = this.state; + if (state === audio_stream_controller_State.PARSING || state === audio_stream_controller_State.PARSED) { + // check if all buffers have been appended + this.pendingBuffering = data.pending > 0; + this._checkAppendedParsed(); + } } - details.PTSKnown = true; - //logger.log(` frag start/end:${startPTS.toFixed(3)}/${endPTS.toFixed(3)}`); + }; - return drift; - }, + AudioStreamController.prototype._checkAppendedParsed = function _checkAppendedParsed() { + //trigger handler right now + if (this.state === audio_stream_controller_State.PARSED && (!this.appended || !this.pendingBuffering)) { + var frag = this.fragCurrent, + stats = this.stats, + hls = this.hls; + if (frag) { + this.fragPrevious = frag; + stats.tbuffered = performance.now(); + hls.trigger(events["a" /* default */].FRAG_BUFFERED, { stats: stats, frag: frag, id: 'audio' }); + var media = this.mediaBuffer ? this.mediaBuffer : this.media; + logger["b" /* logger */].log('audio buffered : ' + timeRanges.toString(media.buffered)); + if (this.audioSwitch && this.appended) { + this.audioSwitch = false; + hls.trigger(events["a" /* default */].AUDIO_TRACK_SWITCHED, { id: this.trackId }); + } + this.state = audio_stream_controller_State.IDLE; + } + this.tick(); + } + }; - updatePTS: function updatePTS(fragments, fromIdx, toIdx) { - var fragFrom = fragments[fromIdx], - fragTo = fragments[toIdx], - fragToPTS = fragTo.startPTS; - // if we know startPTS[toIdx] - if (!isNaN(fragToPTS)) { - // update fragment duration. - // it helps to fix drifts between playlist reported duration and fragment real duration - if (toIdx > fromIdx) { - fragFrom.duration = fragToPTS - fragFrom.start; - if (fragFrom.duration < 0) { - _logger.logger.warn('negative duration computed for frag ' + fragFrom.sn + ',level ' + fragFrom.level + ', there should be some duration drift between playlist and fragment!'); + AudioStreamController.prototype.onError = function onError(data) { + var frag = data.frag; + // don't handle frag error not related to audio fragment + if (frag && frag.type !== 'audio') { + return; + } + switch (data.details) { + case errors["a" /* ErrorDetails */].FRAG_LOAD_ERROR: + case errors["a" /* ErrorDetails */].FRAG_LOAD_TIMEOUT: + if (!data.fatal) { + var loadError = this.fragLoadError; + if (loadError) { + loadError++; + } else { + loadError = 1; + } + var config = this.config; + if (loadError <= config.fragLoadingMaxRetry) { + this.fragLoadError = loadError; + // reset load counter to avoid frag loop loading error + frag.loadCounter = 0; + // exponential backoff capped to config.fragLoadingMaxRetryTimeout + var delay = Math.min(Math.pow(2, loadError - 1) * config.fragLoadingRetryDelay, config.fragLoadingMaxRetryTimeout); + logger["b" /* logger */].warn('audioStreamController: frag loading failed, retry in ' + delay + ' ms'); + this.retryDate = performance.now() + delay; + // retry loading state + this.state = audio_stream_controller_State.FRAG_LOADING_WAITING_RETRY; + } else { + logger["b" /* logger */].error('audioStreamController: ' + data.details + ' reaches max retry, redispatch as fatal ...'); + // switch error to fatal + data.fatal = true; + this.state = audio_stream_controller_State.ERROR; + } } - } else { - fragTo.duration = fragFrom.start - fragToPTS; - if (fragTo.duration < 0) { - _logger.logger.warn('negative duration computed for frag ' + fragTo.sn + ',level ' + fragTo.level + ', there should be some duration drift between playlist and fragment!'); + break; + case errors["a" /* ErrorDetails */].FRAG_LOOP_LOADING_ERROR: + case errors["a" /* ErrorDetails */].AUDIO_TRACK_LOAD_ERROR: + case errors["a" /* ErrorDetails */].AUDIO_TRACK_LOAD_TIMEOUT: + case errors["a" /* ErrorDetails */].KEY_LOAD_ERROR: + case errors["a" /* ErrorDetails */].KEY_LOAD_TIMEOUT: + // when in ERROR state, don't switch back to IDLE state in case a non-fatal error is received + if (this.state !== audio_stream_controller_State.ERROR) { + // if fatal error, stop processing, otherwise move to IDLE to retry loading + this.state = data.fatal ? audio_stream_controller_State.ERROR : audio_stream_controller_State.IDLE; + logger["b" /* logger */].warn('audioStreamController: ' + data.details + ' while loading frag,switch to ' + this.state + ' state ...'); } - } + break; + case errors["a" /* ErrorDetails */].BUFFER_FULL_ERROR: + // if in appending state + if (data.parent === 'audio' && (this.state === audio_stream_controller_State.PARSING || this.state === audio_stream_controller_State.PARSED)) { + var media = this.mediaBuffer, + currentTime = this.media.currentTime, + mediaBuffered = media && buffer_helper.isBuffered(media, currentTime) && buffer_helper.isBuffered(media, currentTime + 0.5); + // reduce max buf len if current position is buffered + if (mediaBuffered) { + var _config = this.config; + if (_config.maxMaxBufferLength >= _config.maxBufferLength) { + // reduce max buffer length as it might be too high. we do this to avoid loop flushing ... + _config.maxMaxBufferLength /= 2; + logger["b" /* logger */].warn('audio:reduce max buffer length to ' + _config.maxMaxBufferLength + 's'); + // increase fragment load Index to avoid frag loop loading error after buffer flush + this.fragLoadIdx += 2 * _config.fragLoadingLoopThreshold; + } + this.state = audio_stream_controller_State.IDLE; + } else { + // current position is not buffered, but browser is still complaining about buffer full error + // this happens on IE/Edge, refer to https://github.com/video-dev/hls.js/pull/708 + // in that case flush the whole audio buffer to recover + logger["b" /* logger */].warn('buffer full error also media.currentTime is not buffered, flush audio buffer'); + this.fragCurrent = null; + // flush everything + this.state = audio_stream_controller_State.BUFFER_FLUSHING; + this.hls.trigger(events["a" /* default */].BUFFER_FLUSHING, { startOffset: 0, endOffset: Number.POSITIVE_INFINITY, type: 'audio' }); + } + } + break; + default: + break; + } + }; + + AudioStreamController.prototype.onBufferFlushed = function onBufferFlushed() { + var _this3 = this; + + var pendingData = this.pendingData; + if (pendingData && pendingData.length) { + logger["b" /* logger */].log('appending pending audio data on Buffer Flushed'); + pendingData.forEach(function (appendObj) { + _this3.hls.trigger(events["a" /* default */].BUFFER_APPENDING, appendObj); + }); + this.appended = true; + this.pendingData = []; + this.state = audio_stream_controller_State.PARSED; } else { - // we dont know startPTS[toIdx] - if (toIdx > fromIdx) { - fragTo.start = fragFrom.start + fragFrom.duration; - } else { - fragTo.start = Math.max(fragFrom.start - fragTo.duration, 0); + // move to IDLE once flush complete. this should trigger new fragment loading + this.state = audio_stream_controller_State.IDLE; + // reset reference to frag + this.fragPrevious = null; + this.tick(); + } + }; + + audio_stream_controller__createClass(AudioStreamController, [{ + key: 'state', + set: function set(nextState) { + if (this.state !== nextState) { + var previousState = this.state; + this._state = nextState; + logger["b" /* logger */].log('audio stream:' + previousState + '->' + nextState); } + }, + get: function get() { + return this._state; } - } -}; /** - * Level Helper class, providing methods dealing with playlist sliding and drift - */ + }]); -module.exports = LevelHelper; + return AudioStreamController; +}(event_handler); -},{"53":53}],39:[function(_dereq_,module,exports){ +/* harmony default export */ var audio_stream_controller = (audio_stream_controller_AudioStreamController); +// CONCATENATED MODULE: ./src/utils/vttcue.js /** - * HLS interface + * Copyright 2013 vtt.js Contributors + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. */ -'use strict'; - -Object.defineProperty(exports, "__esModule", { - value: true -}); - -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); - -var _urlToolkit = _dereq_(2); - -var _urlToolkit2 = _interopRequireDefault(_urlToolkit); - -var _events = _dereq_(35); - -var _events2 = _interopRequireDefault(_events); -var _errors = _dereq_(33); - -var _playlistLoader = _dereq_(43); - -var _playlistLoader2 = _interopRequireDefault(_playlistLoader); +/* harmony default export */ var vttcue = ((function () { + if (typeof window !== 'undefined' && window.VTTCue) { + return window.VTTCue; + } -var _fragmentLoader = _dereq_(41); + var autoKeyword = 'auto'; + var directionSetting = { + '': true, + lr: true, + rl: true + }; + var alignSetting = { + start: true, + middle: true, + end: true, + left: true, + right: true + }; -var _fragmentLoader2 = _interopRequireDefault(_fragmentLoader); + function findDirectionSetting(value) { + if (typeof value !== 'string') { + return false; + } + var dir = directionSetting[value.toLowerCase()]; + return dir ? value.toLowerCase() : false; + } -var _keyLoader = _dereq_(42); + function findAlignSetting(value) { + if (typeof value !== 'string') { + return false; + } + var align = alignSetting[value.toLowerCase()]; + return align ? value.toLowerCase() : false; + } -var _keyLoader2 = _interopRequireDefault(_keyLoader); + function extend(obj) { + var i = 1; + for (; i < arguments.length; i++) { + var cobj = arguments[i]; + for (var p in cobj) { + obj[p] = cobj[p]; + } + } -var _streamController = _dereq_(13); + return obj; + } -var _streamController2 = _interopRequireDefault(_streamController); + function VTTCue(startTime, endTime, text) { + var cue = this; + var isIE8 = function () { + if (typeof navigator === 'undefined') { + return; + } + return (/MSIE\s8\.0/.test(navigator.userAgent) + ); + }(); + var baseObj = {}; -var _levelController = _dereq_(12); + if (isIE8) { + cue = document.createElement('custom'); + } else { + baseObj.enumerable = true; + } -var _levelController2 = _interopRequireDefault(_levelController); + /** + * Shim implementation specific properties. These properties are not in + * the spec. + */ -var _id3TrackController = _dereq_(11); + // Lets us know when the VTTCue's data has changed in such a way that we need + // to recompute its display state. This lets us compute its display state + // lazily. + cue.hasBeenReset = false; -var _id3TrackController2 = _interopRequireDefault(_id3TrackController); + /** + * VTTCue and TextTrackCue properties + * http://dev.w3.org/html5/webvtt/#vttcue-interface + */ -var _logger = _dereq_(53); + var _id = ''; + var _pauseOnExit = false; + var _startTime = startTime; + var _endTime = endTime; + var _text = text; + var _region = null; + var _vertical = ''; + var _snapToLines = true; + var _line = 'auto'; + var _lineAlign = 'start'; + var _position = 50; + var _positionAlign = 'middle'; + var _size = 50; + var _align = 'middle'; -var _events3 = _dereq_(1); + Object.defineProperty(cue, 'id', extend({}, baseObj, { + get: function get() { + return _id; + }, + set: function set(value) { + _id = '' + value; + } + })); -var _events4 = _interopRequireDefault(_events3); + Object.defineProperty(cue, 'pauseOnExit', extend({}, baseObj, { + get: function get() { + return _pauseOnExit; + }, + set: function set(value) { + _pauseOnExit = !!value; + } + })); -var _config = _dereq_(4); + Object.defineProperty(cue, 'startTime', extend({}, baseObj, { + get: function get() { + return _startTime; + }, + set: function set(value) { + if (typeof value !== 'number') { + throw new TypeError('Start time must be set to a number.'); + } + _startTime = value; + this.hasBeenReset = true; + } + })); -function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + Object.defineProperty(cue, 'endTime', extend({}, baseObj, { + get: function get() { + return _endTime; + }, + set: function set(value) { + if (typeof value !== 'number') { + throw new TypeError('End time must be set to a number.'); + } + _endTime = value; + this.hasBeenReset = true; + } + })); -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + Object.defineProperty(cue, 'text', extend({}, baseObj, { + get: function get() { + return _text; + }, + set: function set(value) { + _text = '' + value; + this.hasBeenReset = true; + } + })); -var Hls = function () { - _createClass(Hls, null, [{ - key: 'isSupported', - value: function isSupported() { - var mediaSource = window.MediaSource = window.MediaSource || window.WebKitMediaSource; - var sourceBuffer = window.SourceBuffer = window.SourceBuffer || window.WebKitSourceBuffer; - var isTypeSupported = mediaSource && typeof mediaSource.isTypeSupported === 'function' && mediaSource.isTypeSupported('video/mp4; codecs="avc1.42E01E,mp4a.40.2"'); + Object.defineProperty(cue, 'region', extend({}, baseObj, { + get: function get() { + return _region; + }, + set: function set(value) { + _region = value; + this.hasBeenReset = true; + } + })); - // if SourceBuffer is exposed ensure its API is valid - // safari and old version of Chrome doe not expose SourceBuffer globally so checking SourceBuffer.prototype is impossible - var sourceBufferValidAPI = !sourceBuffer || sourceBuffer.prototype && typeof sourceBuffer.prototype.appendBuffer === 'function' && typeof sourceBuffer.prototype.remove === 'function'; - return isTypeSupported && sourceBufferValidAPI; - } - }, { - key: 'version', - get: function get() { - // replaced with browserify-versionify transform - return '0.7.9'; - } - }, { - key: 'Events', - get: function get() { - return _events2.default; - } - }, { - key: 'ErrorTypes', - get: function get() { - return _errors.ErrorTypes; - } - }, { - key: 'ErrorDetails', - get: function get() { - return _errors.ErrorDetails; - } - }, { - key: 'DefaultConfig', - get: function get() { - if (!Hls.defaultConfig) { - return _config.hlsDefaultConfig; + Object.defineProperty(cue, 'vertical', extend({}, baseObj, { + get: function get() { + return _vertical; + }, + set: function set(value) { + var setting = findDirectionSetting(value); + // Have to check for false because the setting an be an empty string. + if (setting === false) { + throw new SyntaxError('An invalid or illegal string was specified.'); + } + _vertical = setting; + this.hasBeenReset = true; } - return Hls.defaultConfig; - }, - set: function set(defaultConfig) { - Hls.defaultConfig = defaultConfig; - } - }]); + })); - function Hls() { - var _this = this; + Object.defineProperty(cue, 'snapToLines', extend({}, baseObj, { + get: function get() { + return _snapToLines; + }, + set: function set(value) { + _snapToLines = !!value; + this.hasBeenReset = true; + } + })); - var config = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; + Object.defineProperty(cue, 'line', extend({}, baseObj, { + get: function get() { + return _line; + }, + set: function set(value) { + if (typeof value !== 'number' && value !== autoKeyword) { + throw new SyntaxError('An invalid number or illegal string was specified.'); + } + _line = value; + this.hasBeenReset = true; + } + })); - _classCallCheck(this, Hls); + Object.defineProperty(cue, 'lineAlign', extend({}, baseObj, { + get: function get() { + return _lineAlign; + }, + set: function set(value) { + var setting = findAlignSetting(value); + if (!setting) { + throw new SyntaxError('An invalid or illegal string was specified.'); + } + _lineAlign = setting; + this.hasBeenReset = true; + } + })); - var defaultConfig = Hls.DefaultConfig; + Object.defineProperty(cue, 'position', extend({}, baseObj, { + get: function get() { + return _position; + }, + set: function set(value) { + if (value < 0 || value > 100) { + throw new Error('Position must be between 0 and 100.'); + } + _position = value; + this.hasBeenReset = true; + } + })); - if ((config.liveSyncDurationCount || config.liveMaxLatencyDurationCount) && (config.liveSyncDuration || config.liveMaxLatencyDuration)) { - throw new Error('Illegal hls.js config: don\'t mix up liveSyncDurationCount/liveMaxLatencyDurationCount and liveSyncDuration/liveMaxLatencyDuration'); - } + Object.defineProperty(cue, 'positionAlign', extend({}, baseObj, { + get: function get() { + return _positionAlign; + }, + set: function set(value) { + var setting = findAlignSetting(value); + if (!setting) { + throw new SyntaxError('An invalid or illegal string was specified.'); + } + _positionAlign = setting; + this.hasBeenReset = true; + } + })); - for (var prop in defaultConfig) { - if (prop in config) { - continue; + Object.defineProperty(cue, 'size', extend({}, baseObj, { + get: function get() { + return _size; + }, + set: function set(value) { + if (value < 0 || value > 100) { + throw new Error('Size must be between 0 and 100.'); + } + _size = value; + this.hasBeenReset = true; } - config[prop] = defaultConfig[prop]; - } + })); - if (config.liveMaxLatencyDurationCount !== undefined && config.liveMaxLatencyDurationCount <= config.liveSyncDurationCount) { - throw new Error('Illegal hls.js config: "liveMaxLatencyDurationCount" must be gt "liveSyncDurationCount"'); - } + Object.defineProperty(cue, 'align', extend({}, baseObj, { + get: function get() { + return _align; + }, + set: function set(value) { + var setting = findAlignSetting(value); + if (!setting) { + throw new SyntaxError('An invalid or illegal string was specified.'); + } + _align = setting; + this.hasBeenReset = true; + } + })); - if (config.liveMaxLatencyDuration !== undefined && (config.liveMaxLatencyDuration <= config.liveSyncDuration || config.liveSyncDuration === undefined)) { - throw new Error('Illegal hls.js config: "liveMaxLatencyDuration" must be gt "liveSyncDuration"'); - } + /** + * Other <track> spec defined properties + */ - (0, _logger.enableLogs)(config.debug); - this.config = config; - this._autoLevelCapping = -1; - // observer setup - var observer = this.observer = new _events4.default(); - observer.trigger = function trigger(event) { - for (var _len = arguments.length, data = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) { - data[_key - 1] = arguments[_key]; - } + // http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#text-track-cue-display-state + cue.displayState = undefined; - observer.emit.apply(observer, [event, event].concat(data)); - }; + if (isIE8) { + return cue; + } + } - observer.off = function off(event) { - for (var _len2 = arguments.length, data = Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) { - data[_key2 - 1] = arguments[_key2]; - } + /** + * VTTCue methods + */ - observer.removeListener.apply(observer, [event].concat(data)); - }; - this.on = observer.on.bind(observer); - this.off = observer.off.bind(observer); - this.trigger = observer.trigger.bind(observer); + VTTCue.prototype.getCueAsHTML = function () { + // Assume WebVTT.convertCueToDOMTree is on the global. + var WebVTT = window.WebVTT; + return WebVTT.convertCueToDOMTree(window, this.text); + }; - // core controllers and network loaders - var abrController = this.abrController = new config.abrController(this); - var bufferController = new config.bufferController(this); - var capLevelController = new config.capLevelController(this); - var fpsController = new config.fpsController(this); - var playListLoader = new _playlistLoader2.default(this); - var fragmentLoader = new _fragmentLoader2.default(this); - var keyLoader = new _keyLoader2.default(this); - var id3TrackController = new _id3TrackController2.default(this); + return VTTCue; +})()); +// CONCATENATED MODULE: ./src/utils/vttparser.js +/* + * Source: https://github.com/mozilla/vtt.js/blob/master/dist/vtt.js#L1716 + */ - // network controllers - var levelController = this.levelController = new _levelController2.default(this); - var streamController = this.streamController = new _streamController2.default(this); - var networkControllers = [levelController, streamController]; - // optional audio stream controller - var Controller = config.audioStreamController; - if (Controller) { - networkControllers.push(new Controller(this)); + +var StringDecoder = function StringDecoder() { + return { + decode: function decode(data) { + if (!data) { + return ''; + } + if (typeof data !== 'string') { + throw new Error('Error - expected string data.'); + } + return decodeURIComponent(encodeURIComponent(data)); } - this.networkControllers = networkControllers; + }; +}; - var coreComponents = [playListLoader, fragmentLoader, keyLoader, abrController, bufferController, capLevelController, fpsController, id3TrackController]; +function VTTParser() { + this.window = window; + this.state = 'INITIAL'; + this.buffer = ''; + this.decoder = new StringDecoder(); + this.regionList = []; +} - // optional audio track and subtitle controller - Controller = config.audioTrackController; - if (Controller) { - var audioTrackController = new Controller(this); - this.audioTrackController = audioTrackController; - coreComponents.push(audioTrackController); - } +// Try to parse input as a time stamp. +function parseTimeStamp(input) { - Controller = config.subtitleTrackController; - if (Controller) { - var subtitleTrackController = new Controller(this); - this.subtitleTrackController = subtitleTrackController; - coreComponents.push(subtitleTrackController); - } + function computeSeconds(h, m, s, f) { + return (h | 0) * 3600 + (m | 0) * 60 + (s | 0) + (f | 0) / 1000; + } - // optional subtitle controller - [config.subtitleStreamController, config.timelineController].forEach(function (Controller) { - if (Controller) { - coreComponents.push(new Controller(_this)); - } - }); - this.coreComponents = coreComponents; + var m = input.match(/^(\d+):(\d{2})(:\d{2})?\.(\d{3})/); + if (!m) { + return null; } - _createClass(Hls, [{ - key: 'destroy', - value: function destroy() { - _logger.logger.log('destroy'); - this.trigger(_events2.default.DESTROYING); - this.detachMedia(); - this.coreComponents.concat(this.networkControllers).forEach(function (component) { - component.destroy(); - }); - this.url = null; - this.observer.removeAllListeners(); - this._autoLevelCapping = -1; + if (m[3]) { + // Timestamp takes the form of [hours]:[minutes]:[seconds].[milliseconds] + return computeSeconds(m[1], m[2], m[3].replace(':', ''), m[4]); + } else if (m[1] > 59) { + // Timestamp takes the form of [hours]:[minutes].[milliseconds] + // First position is hours as it's over 59. + return computeSeconds(m[1], m[2], 0, m[4]); + } else { + // Timestamp takes the form of [minutes]:[seconds].[milliseconds] + return computeSeconds(0, m[1], m[2], m[4]); + } +} + +// A settings object holds key/value pairs and will ignore anything but the first +// assignment to a specific key. +function Settings() { + this.values = Object.create(null); +} + +Settings.prototype = { + // Only accept the first assignment to any key. + set: function set(k, v) { + if (!this.get(k) && v !== '') { + this.values[k] = v; } - }, { - key: 'attachMedia', - value: function attachMedia(media) { - _logger.logger.log('attachMedia'); - this.media = media; - this.trigger(_events2.default.MEDIA_ATTACHING, { media: media }); + }, + // Return the value for a key, or a default value. + // If 'defaultKey' is passed then 'dflt' is assumed to be an object with + // a number of possible default values as properties where 'defaultKey' is + // the key of the property that will be chosen; otherwise it's assumed to be + // a single value. + get: function get(k, dflt, defaultKey) { + if (defaultKey) { + return this.has(k) ? this.values[k] : dflt[defaultKey]; } - }, { - key: 'detachMedia', - value: function detachMedia() { - _logger.logger.log('detachMedia'); - this.trigger(_events2.default.MEDIA_DETACHING); - this.media = null; + return this.has(k) ? this.values[k] : dflt; + }, + // Check whether we have a value for a key. + has: function has(k) { + return k in this.values; + }, + // Accept a setting if its one of the given alternatives. + alt: function alt(k, v, a) { + for (var n = 0; n < a.length; ++n) { + if (v === a[n]) { + this.set(k, v); + break; + } } - }, { - key: 'loadSource', - value: function loadSource(url) { - url = _urlToolkit2.default.buildAbsoluteURL(window.location.href, url, { alwaysNormalize: true }); - _logger.logger.log('loadSource:' + url); - this.url = url; - // when attaching to a source URL, trigger a playlist load - this.trigger(_events2.default.MANIFEST_LOADING, { url: url }); + }, + // Accept a setting if its a valid (signed) integer. + integer: function integer(k, v) { + if (/^-?\d+$/.test(v)) { + // integer + this.set(k, parseInt(v, 10)); } - }, { - key: 'startLoad', - value: function startLoad() { - var startPosition = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : -1; + }, + // Accept a setting if its a valid percentage. + percent: function percent(k, v) { + var m; + if (m = v.match(/^([\d]{1,3})(\.[\d]*)?%$/)) { + v = parseFloat(v); + if (v >= 0 && v <= 100) { + this.set(k, v); + return true; + } + } + return false; + } +}; - _logger.logger.log('startLoad(' + startPosition + ')'); - this.networkControllers.forEach(function (controller) { - controller.startLoad(startPosition); - }); +// Helper function to parse input into groups separated by 'groupDelim', and +// interprete each group as a key/value pair separated by 'keyValueDelim'. +function parseOptions(input, callback, keyValueDelim, groupDelim) { + var groups = groupDelim ? input.split(groupDelim) : [input]; + for (var i in groups) { + if (typeof groups[i] !== 'string') { + continue; } - }, { - key: 'stopLoad', - value: function stopLoad() { - _logger.logger.log('stopLoad'); - this.networkControllers.forEach(function (controller) { - controller.stopLoad(); - }); + var kv = groups[i].split(keyValueDelim); + if (kv.length !== 2) { + continue; } - }, { - key: 'swapAudioCodec', - value: function swapAudioCodec() { - _logger.logger.log('swapAudioCodec'); - this.streamController.swapAudioCodec(); + var k = kv[0]; + var v = kv[1]; + callback(k, v); + } +} + +var defaults = new vttcue(0, 0, 0); +// 'middle' was changed to 'center' in the spec: https://github.com/w3c/webvtt/pull/244 +// Safari doesn't yet support this change, but FF and Chrome do. +var center = defaults.align === 'middle' ? 'middle' : 'center'; + +function parseCue(input, cue, regionList) { + // Remember the original input if we need to throw an error. + var oInput = input; + // 4.1 WebVTT timestamp + function consumeTimeStamp() { + var ts = parseTimeStamp(input); + if (ts === null) { + throw new Error('Malformed timestamp: ' + oInput); } - }, { - key: 'recoverMediaError', - value: function recoverMediaError() { - _logger.logger.log('recoverMediaError'); - var media = this.media; - this.detachMedia(); - this.attachMedia(media); + // Remove time stamp from input. + input = input.replace(/^[^\sa-zA-Z-]+/, ''); + return ts; + } + + // 4.4.2 WebVTT cue settings + function consumeCueSettings(input, cue) { + var settings = new Settings(); + + parseOptions(input, function (k, v) { + switch (k) { + case 'region': + // Find the last region we parsed with the same region id. + for (var i = regionList.length - 1; i >= 0; i--) { + if (regionList[i].id === v) { + settings.set(k, regionList[i].region); + break; + } + } + break; + case 'vertical': + settings.alt(k, v, ['rl', 'lr']); + break; + case 'line': + var vals = v.split(','), + vals0 = vals[0]; + settings.integer(k, vals0); + if (settings.percent(k, vals0)) { + settings.set('snapToLines', false); + } + settings.alt(k, vals0, ['auto']); + if (vals.length === 2) { + settings.alt('lineAlign', vals[1], ['start', center, 'end']); + } + break; + case 'position': + vals = v.split(','); + settings.percent(k, vals[0]); + if (vals.length === 2) { + settings.alt('positionAlign', vals[1], ['start', center, 'end', 'line-left', 'line-right', 'auto']); + } + break; + case 'size': + settings.percent(k, v); + break; + case 'align': + settings.alt(k, v, ['start', center, 'end', 'left', 'right']); + break; + } + }, /:/, /\s/); + + // Apply default values for any missing fields. + cue.region = settings.get('region', null); + cue.vertical = settings.get('vertical', ''); + var line = settings.get('line', 'auto'); + if (line === 'auto' && defaults.line === -1) { + // set numeric line number for Safari + line = -1; + } + cue.line = line; + cue.lineAlign = settings.get('lineAlign', 'start'); + cue.snapToLines = settings.get('snapToLines', true); + cue.size = settings.get('size', 100); + cue.align = settings.get('align', center); + var position = settings.get('position', 'auto'); + if (position === 'auto' && defaults.position === 50) { + // set numeric position for Safari + position = cue.align === 'start' || cue.align === 'left' ? 0 : cue.align === 'end' || cue.align === 'right' ? 100 : 50; } + cue.position = position; + } - /** Return all quality levels **/ - - }, { - key: 'levels', - get: function get() { - return this.levelController.levels; - } + function skipWhitespace() { + input = input.replace(/^\s+/, ''); + } - /** Return current playback quality level **/ + // 4.1 WebVTT cue timings. + skipWhitespace(); + cue.startTime = consumeTimeStamp(); // (1) collect cue start time + skipWhitespace(); + if (input.substr(0, 3) !== '-->') { + // (3) next characters must match '-->' + throw new Error('Malformed time stamp (time stamps must be separated by \'-->\'): ' + oInput); + } + input = input.substr(3); + skipWhitespace(); + cue.endTime = consumeTimeStamp(); // (5) collect cue end time - }, { - key: 'currentLevel', - get: function get() { - return this.streamController.currentLevel; - } + // 4.1 WebVTT cue settings list. + skipWhitespace(); + consumeCueSettings(input, cue); +} - /* set quality level immediately (-1 for automatic level selection) */ - , - set: function set(newLevel) { - _logger.logger.log('set currentLevel:' + newLevel); - this.loadLevel = newLevel; - this.streamController.immediateLevelSwitch(); - } +function fixLineBreaks(input) { + return input.replace(/<br(?: \/)?>/gi, '\n'); +} - /** Return next playback quality level (quality level of next fragment) **/ +VTTParser.prototype = { + parse: function parse(data) { + var self = this; - }, { - key: 'nextLevel', - get: function get() { - return this.streamController.nextLevel; + // If there is no data then we won't decode it, but will just try to parse + // whatever is in buffer already. This may occur in circumstances, for + // example when flush() is called. + if (data) { + // Try to decode the data that we received. + self.buffer += self.decoder.decode(data, { stream: true }); } - /* set quality level for next fragment (-1 for automatic level selection) */ - , - set: function set(newLevel) { - _logger.logger.log('set nextLevel:' + newLevel); - this.levelController.manualLevel = newLevel; - this.streamController.nextLevelSwitch(); - } + function collectNextLine() { + var buffer = self.buffer; + var pos = 0; - /** Return the quality level of current/last loaded fragment **/ + buffer = fixLineBreaks(buffer); - }, { - key: 'loadLevel', - get: function get() { - return this.levelController.level; + while (pos < buffer.length && buffer[pos] !== '\r' && buffer[pos] !== '\n') { + ++pos; + } + var line = buffer.substr(0, pos); + // Advance the buffer early in case we fail below. + if (buffer[pos] === '\r') { + ++pos; + } + if (buffer[pos] === '\n') { + ++pos; + } + self.buffer = buffer.substr(pos); + return line; } - /* set quality level for current/next loaded fragment (-1 for automatic level selection) */ - , - set: function set(newLevel) { - _logger.logger.log('set loadLevel:' + newLevel); - this.levelController.manualLevel = newLevel; + // 3.2 WebVTT metadata header syntax + function parseHeader(input) { + parseOptions(input, function (k, v) { + switch (k) { + case 'Region': + // 3.3 WebVTT region metadata header syntax + console.log('parse region', v); + //parseRegion(v); + break; + } + }, /:/); } - /** Return the quality level of next loaded fragment **/ - - }, { - key: 'nextLoadLevel', - get: function get() { - return this.levelController.nextLoadLevel; - } + // 5.1 WebVTT file parsing. + try { + var line; + if (self.state === 'INITIAL') { + // We can't start parsing until we have the first line. + if (!/\r\n|\n/.test(self.buffer)) { + return this; + } - /** set quality level of next loaded fragment **/ - , - set: function set(level) { - this.levelController.nextLoadLevel = level; - } + line = collectNextLine(); + // strip of UTF-8 BOM if any + // https://en.wikipedia.org/wiki/Byte_order_mark#UTF-8 + var m = line.match(/^()?WEBVTT([ \t].*)?$/); + if (!m || !m[0]) { + throw new Error('Malformed WebVTT signature.'); + } - /** Return first level (index of first level referenced in manifest) - **/ + self.state = 'HEADER'; + } - }, { - key: 'firstLevel', - get: function get() { - return Math.max(this.levelController.firstLevel, this.minAutoLevel); - } + var alreadyCollectedLine = false; + while (self.buffer) { + // We can't parse a line until we have the full line. + if (!/\r\n|\n/.test(self.buffer)) { + return this; + } - /** set first level (index of first level referenced in manifest) - **/ - , - set: function set(newLevel) { - _logger.logger.log('set firstLevel:' + newLevel); - this.levelController.firstLevel = newLevel; - } + if (!alreadyCollectedLine) { + line = collectNextLine(); + } else { + alreadyCollectedLine = false; + } - /** Return start level (level of first fragment that will be played back) - if not overrided by user, first level appearing in manifest will be used as start level - if -1 : automatic start level selection, playback will start from level matching download bandwidth (determined from download of first segment) - **/ + switch (self.state) { + case 'HEADER': + // 13-18 - Allow a header (metadata) under the WEBVTT line. + if (/:/.test(line)) { + parseHeader(line); + } else if (!line) { + // An empty line terminates the header and starts the body (cues). + self.state = 'ID'; + } + continue; + case 'NOTE': + // Ignore NOTE blocks. + if (!line) { + self.state = 'ID'; + } + continue; + case 'ID': + // Check for the start of NOTE blocks. + if (/^NOTE($|[ \t])/.test(line)) { + self.state = 'NOTE'; + break; + } + // 19-29 - Allow any number of line terminators, then initialize new cue values. + if (!line) { + continue; + } + self.cue = new vttcue(0, 0, ''); + self.state = 'CUE'; + // 30-39 - Check if self line contains an optional identifier or timing data. + if (line.indexOf('-->') === -1) { + self.cue.id = line; + continue; + } + // Process line as start of a cue. + /*falls through*/ + case 'CUE': + // 40 - Collect cue timings and settings. + try { + parseCue(line, self.cue, self.regionList); + } catch (e) { + // In case of an error ignore rest of the cue. + self.cue = null; + self.state = 'BADCUE'; + continue; + } + self.state = 'CUETEXT'; + continue; + case 'CUETEXT': + var hasSubstring = line.indexOf('-->') !== -1; + // 34 - If we have an empty line then report the cue. + // 35 - If we have the special substring '-->' then report the cue, + // but do not collect the line as we need to process the current + // one as a new cue. + if (!line || hasSubstring && (alreadyCollectedLine = true)) { + // We are done parsing self cue. + if (self.oncue) { + self.oncue(self.cue); + } + self.cue = null; + self.state = 'ID'; + continue; + } + if (self.cue.text) { + self.cue.text += '\n'; + } + self.cue.text += line; + continue; + case 'BADCUE': + // BADCUE + // 54-62 - Collect and discard the remaining cue. + if (!line) { + self.state = 'ID'; + } + continue; + } + } + } catch (e) { - }, { - key: 'startLevel', - get: function get() { - return this.levelController.startLevel; + // If we are currently parsing a cue, report what we have. + if (self.state === 'CUETEXT' && self.cue && self.oncue) { + self.oncue(self.cue); + } + self.cue = null; + // Enter BADWEBVTT state if header was not parsed correctly otherwise + // another exception occurred so enter BADCUE state. + self.state = self.state === 'INITIAL' ? 'BADWEBVTT' : 'BADCUE'; } - - /** set start level (level of first fragment that will be played back) - if not overrided by user, first level appearing in manifest will be used as start level - if -1 : automatic start level selection, playback will start from level matching download bandwidth (determined from download of first segment) - **/ - , - set: function set(newLevel) { - _logger.logger.log('set startLevel:' + newLevel); - var hls = this; - // if not in automatic start level detection, ensure startLevel is greater than minAutoLevel - if (newLevel !== -1) { - newLevel = Math.max(newLevel, hls.minAutoLevel); + return this; + }, + flush: function flush() { + var self = this; + try { + // Finish decoding the stream. + self.buffer += self.decoder.decode(); + // Synthesize the end of the current cue or region. + if (self.cue || self.state === 'HEADER') { + self.buffer += '\n\n'; + self.parse(); } - hls.levelController.startLevel = newLevel; + // If we've flushed, parsed, and we're still on the INITIAL state then + // that means we don't have enough of the stream to parse the first + // line. + if (self.state === 'INITIAL') { + throw new Error('Malformed WebVTT signature.'); + } + } catch (e) { + throw e; } - - /** Return the capping/max level value that could be used by automatic level selection algorithm **/ - - }, { - key: 'autoLevelCapping', - get: function get() { - return this._autoLevelCapping; + if (self.onflush) { + self.onflush(); } + return this; + } +}; - /** set the capping/max level value that could be used by automatic level selection algorithm **/ - , - set: function set(newLevel) { - _logger.logger.log('set autoLevelCapping:' + newLevel); - this._autoLevelCapping = newLevel; - } - /* check if we are in automatic level selection mode */ - }, { - key: 'autoLevelEnabled', - get: function get() { - return this.levelController.manualLevel === -1; - } +/* harmony default export */ var vttparser = (VTTParser); +// CONCATENATED MODULE: ./src/utils/cues.js - /* return manual level */ - }, { - key: 'manualLevel', - get: function get() { - return this.levelController.manualLevel; - } +function newCue(track, startTime, endTime, captionScreen) { + var row; + var cue; + var indenting; + var indent; + var text; + var VTTCue = window.VTTCue || window.TextTrackCue; - /* return min level selectable in auto mode according to config.minAutoBitrate */ + for (var r = 0; r < captionScreen.rows.length; r++) { + row = captionScreen.rows[r]; + indenting = true; + indent = 0; + text = ''; - }, { - key: 'minAutoLevel', - get: function get() { - var hls = this, - levels = hls.levels, - minAutoBitrate = hls.config.minAutoBitrate, - len = levels ? levels.length : 0; - for (var i = 0; i < len; i++) { - var levelNextBitrate = levels[i].realBitrate ? Math.max(levels[i].realBitrate, levels[i].bitrate) : levels[i].bitrate; - if (levelNextBitrate > minAutoBitrate) { - return i; + if (!row.isEmpty()) { + for (var c = 0; c < row.chars.length; c++) { + if (row.chars[c].uchar.match(/\s/) && indenting) { + indent++; + } else { + text += row.chars[c].uchar; + indenting = false; } } - return 0; - } + //To be used for cleaning-up orphaned roll-up captions + row.cueStartTime = startTime; - /* return max level selectable in auto mode according to autoLevelCapping */ - - }, { - key: 'maxAutoLevel', - get: function get() { - var hls = this; - var levels = hls.levels; - var autoLevelCapping = hls.autoLevelCapping; - var maxAutoLevel = void 0; - if (autoLevelCapping === -1 && levels && levels.length) { - maxAutoLevel = levels.length - 1; - } else { - maxAutoLevel = autoLevelCapping; + // Give a slight bump to the endTime if it's equal to startTime to avoid a SyntaxError in IE + if (startTime === endTime) { + endTime += 0.0001; } - return maxAutoLevel; - } - - // return next auto level - - }, { - key: 'nextAutoLevel', - get: function get() { - var hls = this; - // ensure next auto level is between min and max auto level - return Math.min(Math.max(hls.abrController.nextAutoLevel, hls.minAutoLevel), hls.maxAutoLevel); - } - - // this setter is used to force next auto level - // this is useful to force a switch down in auto mode : in case of load error on level N, hls.js can set nextAutoLevel to N-1 for example) - // forced value is valid for one fragment. upon succesful frag loading at forced level, this value will be resetted to -1 by ABR controller - , - set: function set(nextLevel) { - var hls = this; - hls.abrController.nextAutoLevel = Math.max(hls.minAutoLevel, nextLevel); - } - - /** get alternate audio tracks list from playlist **/ - - }, { - key: 'audioTracks', - get: function get() { - var audioTrackController = this.audioTrackController; - return audioTrackController ? audioTrackController.audioTracks : []; - } - - /** get index of the selected audio track (index in audio track lists) **/ - }, { - key: 'audioTrack', - get: function get() { - var audioTrackController = this.audioTrackController; - return audioTrackController ? audioTrackController.audioTrack : -1; - } + cue = new VTTCue(startTime, endTime, fixLineBreaks(text.trim())); - /** select an audio track, based on its index in audio track lists**/ - , - set: function set(audioTrackId) { - var audioTrackController = this.audioTrackController; - if (audioTrackController) { - audioTrackController.audioTrack = audioTrackId; + if (indent >= 16) { + indent--; + } else { + indent++; } - } - }, { - key: 'liveSyncPosition', - get: function get() { - return this.streamController.liveSyncPosition; - } - - /** get alternate subtitle tracks list from playlist **/ - }, { - key: 'subtitleTracks', - get: function get() { - var subtitleTrackController = this.subtitleTrackController; - return subtitleTrackController ? subtitleTrackController.subtitleTracks : []; + // VTTCue.line get's flakey when using controls, so let's now include line 13&14 + // also, drop line 1 since it's to close to the top + if (navigator.userAgent.match(/Firefox\//)) { + cue.line = r + 1; + } else { + cue.line = r > 7 ? r - 2 : r + 1; + } + cue.align = 'left'; + // Clamp the position between 0 and 100 - if out of these bounds, Firefox throws an exception and captions break + cue.position = Math.max(0, Math.min(100, 100 * (indent / 32) + (navigator.userAgent.match(/Firefox\//) ? 50 : 0))); + track.addCue(cue); } + } +} +// CONCATENATED MODULE: ./src/utils/cea-608-parser.js +function cea_608_parser__classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } - /** get index of the selected subtitle track (index in subtitle track lists) **/ +/** + * + * This code was ported from the dash.js project at: + * https://github.com/Dash-Industry-Forum/dash.js/blob/development/externals/cea608-parser.js + * https://github.com/Dash-Industry-Forum/dash.js/commit/8269b26a761e0853bb21d78780ed945144ecdd4d#diff-71bc295a2d6b6b7093a1d3290d53a4b2 + * + * The original copyright appears below: + * + * The copyright in this software is being made available under the BSD License, + * included below. This software may be subject to other third party and contributor + * rights, including patent rights, and no such rights are granted under this license. + * + * Copyright (c) 2015-2016, DASH Industry Forum. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation and/or + * other materials provided with the distribution. + * 2. Neither the name of Dash Industry Forum nor the names of its + * contributors may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ +/** + * Exceptions from regular ASCII. CodePoints are mapped to UTF-16 codes + */ - }, { - key: 'subtitleTrack', - get: function get() { - var subtitleTrackController = this.subtitleTrackController; - return subtitleTrackController ? subtitleTrackController.subtitleTrack : -1; - } +var specialCea608CharsCodes = { + 0x2a: 0xe1, // lowercase a, acute accent + 0x5c: 0xe9, // lowercase e, acute accent + 0x5e: 0xed, // lowercase i, acute accent + 0x5f: 0xf3, // lowercase o, acute accent + 0x60: 0xfa, // lowercase u, acute accent + 0x7b: 0xe7, // lowercase c with cedilla + 0x7c: 0xf7, // division symbol + 0x7d: 0xd1, // uppercase N tilde + 0x7e: 0xf1, // lowercase n tilde + 0x7f: 0x2588, // Full block + // THIS BLOCK INCLUDES THE 16 EXTENDED (TWO-BYTE) LINE 21 CHARACTERS + // THAT COME FROM HI BYTE=0x11 AND LOW BETWEEN 0x30 AND 0x3F + // THIS MEANS THAT \x50 MUST BE ADDED TO THE VALUES + 0x80: 0xae, // Registered symbol (R) + 0x81: 0xb0, // degree sign + 0x82: 0xbd, // 1/2 symbol + 0x83: 0xbf, // Inverted (open) question mark + 0x84: 0x2122, // Trademark symbol (TM) + 0x85: 0xa2, // Cents symbol + 0x86: 0xa3, // Pounds sterling + 0x87: 0x266a, // Music 8'th note + 0x88: 0xe0, // lowercase a, grave accent + 0x89: 0x20, // transparent space (regular) + 0x8a: 0xe8, // lowercase e, grave accent + 0x8b: 0xe2, // lowercase a, circumflex accent + 0x8c: 0xea, // lowercase e, circumflex accent + 0x8d: 0xee, // lowercase i, circumflex accent + 0x8e: 0xf4, // lowercase o, circumflex accent + 0x8f: 0xfb, // lowercase u, circumflex accent + // THIS BLOCK INCLUDES THE 32 EXTENDED (TWO-BYTE) LINE 21 CHARACTERS + // THAT COME FROM HI BYTE=0x12 AND LOW BETWEEN 0x20 AND 0x3F + 0x90: 0xc1, // capital letter A with acute + 0x91: 0xc9, // capital letter E with acute + 0x92: 0xd3, // capital letter O with acute + 0x93: 0xda, // capital letter U with acute + 0x94: 0xdc, // capital letter U with diaresis + 0x95: 0xfc, // lowercase letter U with diaeresis + 0x96: 0x2018, // opening single quote + 0x97: 0xa1, // inverted exclamation mark + 0x98: 0x2a, // asterisk + 0x99: 0x2019, // closing single quote + 0x9a: 0x2501, // box drawings heavy horizontal + 0x9b: 0xa9, // copyright sign + 0x9c: 0x2120, // Service mark + 0x9d: 0x2022, // (round) bullet + 0x9e: 0x201c, // Left double quotation mark + 0x9f: 0x201d, // Right double quotation mark + 0xa0: 0xc0, // uppercase A, grave accent + 0xa1: 0xc2, // uppercase A, circumflex + 0xa2: 0xc7, // uppercase C with cedilla + 0xa3: 0xc8, // uppercase E, grave accent + 0xa4: 0xca, // uppercase E, circumflex + 0xa5: 0xcb, // capital letter E with diaresis + 0xa6: 0xeb, // lowercase letter e with diaresis + 0xa7: 0xce, // uppercase I, circumflex + 0xa8: 0xcf, // uppercase I, with diaresis + 0xa9: 0xef, // lowercase i, with diaresis + 0xaa: 0xd4, // uppercase O, circumflex + 0xab: 0xd9, // uppercase U, grave accent + 0xac: 0xf9, // lowercase u, grave accent + 0xad: 0xdb, // uppercase U, circumflex + 0xae: 0xab, // left-pointing double angle quotation mark + 0xaf: 0xbb, // right-pointing double angle quotation mark + // THIS BLOCK INCLUDES THE 32 EXTENDED (TWO-BYTE) LINE 21 CHARACTERS + // THAT COME FROM HI BYTE=0x13 AND LOW BETWEEN 0x20 AND 0x3F + 0xb0: 0xc3, // Uppercase A, tilde + 0xb1: 0xe3, // Lowercase a, tilde + 0xb2: 0xcd, // Uppercase I, acute accent + 0xb3: 0xcc, // Uppercase I, grave accent + 0xb4: 0xec, // Lowercase i, grave accent + 0xb5: 0xd2, // Uppercase O, grave accent + 0xb6: 0xf2, // Lowercase o, grave accent + 0xb7: 0xd5, // Uppercase O, tilde + 0xb8: 0xf5, // Lowercase o, tilde + 0xb9: 0x7b, // Open curly brace + 0xba: 0x7d, // Closing curly brace + 0xbb: 0x5c, // Backslash + 0xbc: 0x5e, // Caret + 0xbd: 0x5f, // Underscore + 0xbe: 0x7c, // Pipe (vertical line) + 0xbf: 0x223c, // Tilde operator + 0xc0: 0xc4, // Uppercase A, umlaut + 0xc1: 0xe4, // Lowercase A, umlaut + 0xc2: 0xd6, // Uppercase O, umlaut + 0xc3: 0xf6, // Lowercase o, umlaut + 0xc4: 0xdf, // Esszett (sharp S) + 0xc5: 0xa5, // Yen symbol + 0xc6: 0xa4, // Generic currency sign + 0xc7: 0x2503, // Box drawings heavy vertical + 0xc8: 0xc5, // Uppercase A, ring + 0xc9: 0xe5, // Lowercase A, ring + 0xca: 0xd8, // Uppercase O, stroke + 0xcb: 0xf8, // Lowercase o, strok + 0xcc: 0x250f, // Box drawings heavy down and right + 0xcd: 0x2513, // Box drawings heavy down and left + 0xce: 0x2517, // Box drawings heavy up and right + 0xcf: 0x251b // Box drawings heavy up and left +}; - /** select an subtitle track, based on its index in subtitle track lists**/ - , - set: function set(subtitleTrackId) { - var subtitleTrackController = this.subtitleTrackController; - if (subtitleTrackController) { - subtitleTrackController.subtitleTrack = subtitleTrackId; - } +/** + * Utils + */ +var getCharForByte = function getCharForByte(byte) { + var charCode = byte; + if (specialCea608CharsCodes.hasOwnProperty(byte)) { + charCode = specialCea608CharsCodes[byte]; } - }]); - - return Hls; -}(); - -exports.default = Hls; - -},{"1":1,"11":11,"12":12,"13":13,"2":2,"33":33,"35":35,"4":4,"41":41,"42":42,"43":43,"53":53}],40:[function(_dereq_,module,exports){ -'use strict'; - -// This is mostly for support of the es6 module export -// syntax with the babel compiler, it looks like it doesnt support -// function exports like we are used to in node/commonjs -module.exports = _dereq_(39).default; - -},{"39":39}],41:[function(_dereq_,module,exports){ -'use strict'; - -Object.defineProperty(exports, "__esModule", { - value: true -}); - -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); - -var _events = _dereq_(35); - -var _events2 = _interopRequireDefault(_events); - -var _eventHandler = _dereq_(34); - -var _eventHandler2 = _interopRequireDefault(_eventHandler); - -var _errors = _dereq_(33); - -var _logger = _dereq_(53); - -function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } - -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } - -function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; } - -function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } /* - * Fragment Loader - */ - -var FragmentLoader = function (_EventHandler) { - _inherits(FragmentLoader, _EventHandler); - - function FragmentLoader(hls) { - _classCallCheck(this, FragmentLoader); + return String.fromCharCode(charCode); +}; - var _this = _possibleConstructorReturn(this, (FragmentLoader.__proto__ || Object.getPrototypeOf(FragmentLoader)).call(this, hls, _events2.default.FRAG_LOADING)); +var NR_ROWS = 15, + NR_COLS = 100; +// Tables to look up row from PAC data +var rowsLowCh1 = { 0x11: 1, 0x12: 3, 0x15: 5, 0x16: 7, 0x17: 9, 0x10: 11, 0x13: 12, 0x14: 14 }; +var rowsHighCh1 = { 0x11: 2, 0x12: 4, 0x15: 6, 0x16: 8, 0x17: 10, 0x13: 13, 0x14: 15 }; +var rowsLowCh2 = { 0x19: 1, 0x1A: 3, 0x1D: 5, 0x1E: 7, 0x1F: 9, 0x18: 11, 0x1B: 12, 0x1C: 14 }; +var rowsHighCh2 = { 0x19: 2, 0x1A: 4, 0x1D: 6, 0x1E: 8, 0x1F: 10, 0x1B: 13, 0x1C: 15 }; - _this.loaders = {}; - return _this; - } +var backgroundColors = ['white', 'green', 'blue', 'cyan', 'red', 'yellow', 'magenta', 'black', 'transparent']; - _createClass(FragmentLoader, [{ - key: 'destroy', - value: function destroy() { - var loaders = this.loaders; - for (var loaderName in loaders) { - var loader = loaders[loaderName]; - if (loader) { - loader.destroy(); +/** + * Simple logger class to be able to write with time-stamps and filter on level. + */ +var cea_608_parser_logger = { + verboseFilter: { 'DATA': 3, 'DEBUG': 3, 'INFO': 2, 'WARNING': 2, 'TEXT': 1, 'ERROR': 0 }, + time: null, + verboseLevel: 0, // Only write errors + setTime: function setTime(newTime) { + this.time = newTime; + }, + log: function log(severity, msg) { + var minLevel = this.verboseFilter[severity]; + if (this.verboseLevel >= minLevel) { + console.log(this.time + ' [' + severity + '] ' + msg); } - } - this.loaders = {}; - _eventHandler2.default.prototype.destroy.call(this); } - }, { - key: 'onFragLoading', - value: function onFragLoading(data) { - var frag = data.frag, - type = frag.type, - loader = this.loaders[type], - config = this.hls.config; - - frag.loaded = 0; - if (loader) { - _logger.logger.warn('abort previous fragment loader for type:' + type); - loader.abort(); - } - loader = this.loaders[type] = frag.loader = typeof config.fLoader !== 'undefined' ? new config.fLoader(config) : new config.loader(config); +}; - var loaderContext = void 0, - loaderConfig = void 0, - loaderCallbacks = void 0; - loaderContext = { url: frag.url, frag: frag, responseType: 'arraybuffer', progressData: false }; - var start = frag.byteRangeStartOffset, - end = frag.byteRangeEndOffset; - if (!isNaN(start) && !isNaN(end)) { - loaderContext.rangeStart = start; - loaderContext.rangeEnd = end; - } - loaderConfig = { timeout: config.fragLoadingTimeOut, maxRetry: 0, retryDelay: 0, maxRetryDelay: config.fragLoadingMaxRetryTimeout }; - loaderCallbacks = { onSuccess: this.loadsuccess.bind(this), onError: this.loaderror.bind(this), onTimeout: this.loadtimeout.bind(this), onProgress: this.loadprogress.bind(this) }; - loader.load(loaderContext, loaderConfig, loaderCallbacks); - } - }, { - key: 'loadsuccess', - value: function loadsuccess(response, stats, context) { - var payload = response.data, - frag = context.frag; - // detach fragment loader on load success - frag.loader = undefined; - this.loaders[frag.type] = undefined; - this.hls.trigger(_events2.default.FRAG_LOADED, { payload: payload, frag: frag, stats: stats }); - } - }, { - key: 'loaderror', - value: function loaderror(response, context) { - var loader = context.loader; - if (loader) { - loader.abort(); - } - this.loaders[context.type] = undefined; - this.hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.NETWORK_ERROR, details: _errors.ErrorDetails.FRAG_LOAD_ERROR, fatal: false, frag: context.frag, response: response }); - } - }, { - key: 'loadtimeout', - value: function loadtimeout(stats, context) { - var loader = context.loader; - if (loader) { - loader.abort(); - } - this.loaders[context.type] = undefined; - this.hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.NETWORK_ERROR, details: _errors.ErrorDetails.FRAG_LOAD_TIMEOUT, fatal: false, frag: context.frag }); +var numArrayToHexArray = function numArrayToHexArray(numArray) { + var hexArray = []; + for (var j = 0; j < numArray.length; j++) { + hexArray.push(numArray[j].toString(16)); } + return hexArray; +}; - // data will be used for progressive parsing +var PenState = function () { + function PenState(foreground, underline, italics, background, flash) { + cea_608_parser__classCallCheck(this, PenState); - }, { - key: 'loadprogress', - value: function loadprogress(stats, context, data) { - // jshint ignore:line - var frag = context.frag; - frag.loaded = stats.loaded; - this.hls.trigger(_events2.default.FRAG_LOAD_PROGRESS, { frag: frag, stats: stats }); + this.foreground = foreground || 'white'; + this.underline = underline || false; + this.italics = italics || false; + this.background = background || 'black'; + this.flash = flash || false; } - }]); - - return FragmentLoader; -}(_eventHandler2.default); - -exports.default = FragmentLoader; - -},{"33":33,"34":34,"35":35,"53":53}],42:[function(_dereq_,module,exports){ -'use strict'; - -Object.defineProperty(exports, "__esModule", { - value: true -}); - -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); - -var _events = _dereq_(35); - -var _events2 = _interopRequireDefault(_events); - -var _eventHandler = _dereq_(34); - -var _eventHandler2 = _interopRequireDefault(_eventHandler); - -var _errors = _dereq_(33); - -var _logger = _dereq_(53); - -function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } - -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } - -function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; } - -function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } /* - * Decrypt key Loader - */ - -var KeyLoader = function (_EventHandler) { - _inherits(KeyLoader, _EventHandler); - - function KeyLoader(hls) { - _classCallCheck(this, KeyLoader); - - var _this = _possibleConstructorReturn(this, (KeyLoader.__proto__ || Object.getPrototypeOf(KeyLoader)).call(this, hls, _events2.default.KEY_LOADING)); - _this.loaders = {}; - _this.decryptkey = null; - _this.decrypturl = null; - return _this; - } + PenState.prototype.reset = function reset() { + this.foreground = 'white'; + this.underline = false; + this.italics = false; + this.background = 'black'; + this.flash = false; + }; - _createClass(KeyLoader, [{ - key: 'destroy', - value: function destroy() { - for (var loaderName in this.loaders) { - var loader = this.loaders[loaderName]; - if (loader) { - loader.destroy(); + PenState.prototype.setStyles = function setStyles(styles) { + var attribs = ['foreground', 'underline', 'italics', 'background', 'flash']; + for (var i = 0; i < attribs.length; i++) { + var style = attribs[i]; + if (styles.hasOwnProperty(style)) { + this[style] = styles[style]; + } } - } - this.loaders = {}; - _eventHandler2.default.prototype.destroy.call(this); - } - }, { - key: 'onKeyLoading', - value: function onKeyLoading(data) { - var frag = data.frag, - type = frag.type, - loader = this.loaders[type], - decryptdata = frag.decryptdata, - uri = decryptdata.uri; - // if uri is different from previous one or if decrypt key not retrieved yet - if (uri !== this.decrypturl || this.decryptkey === null) { - var config = this.hls.config; - - if (loader) { - _logger.logger.warn('abort previous key loader for type:' + type); - loader.abort(); - } - frag.loader = this.loaders[type] = new config.loader(config); - this.decrypturl = uri; - this.decryptkey = null; - - var loaderContext = void 0, - loaderConfig = void 0, - loaderCallbacks = void 0; - loaderContext = { url: uri, frag: frag, responseType: 'arraybuffer' }; - loaderConfig = { timeout: config.fragLoadingTimeOut, maxRetry: config.fragLoadingMaxRetry, retryDelay: config.fragLoadingRetryDelay, maxRetryDelay: config.fragLoadingMaxRetryTimeout }; - loaderCallbacks = { onSuccess: this.loadsuccess.bind(this), onError: this.loaderror.bind(this), onTimeout: this.loadtimeout.bind(this) }; - frag.loader.load(loaderContext, loaderConfig, loaderCallbacks); - } else if (this.decryptkey) { - // we already loaded this key, return it - decryptdata.key = this.decryptkey; - this.hls.trigger(_events2.default.KEY_LOADED, { frag: frag }); - } - } - }, { - key: 'loadsuccess', - value: function loadsuccess(response, stats, context) { - var frag = context.frag; - this.decryptkey = frag.decryptdata.key = new Uint8Array(response.data); - // detach fragment loader on load success - frag.loader = undefined; - this.loaders[frag.type] = undefined; - this.hls.trigger(_events2.default.KEY_LOADED, { frag: frag }); - } - }, { - key: 'loaderror', - value: function loaderror(response, context) { - var frag = context.frag, - loader = frag.loader; - if (loader) { - loader.abort(); - } - this.loaders[context.type] = undefined; - this.hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.NETWORK_ERROR, details: _errors.ErrorDetails.KEY_LOAD_ERROR, fatal: false, frag: frag, response: response }); - } - }, { - key: 'loadtimeout', - value: function loadtimeout(stats, context) { - var frag = context.frag, - loader = frag.loader; - if (loader) { - loader.abort(); - } - this.loaders[context.type] = undefined; - this.hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.NETWORK_ERROR, details: _errors.ErrorDetails.KEY_LOAD_TIMEOUT, fatal: false, frag: frag }); - } - }]); - - return KeyLoader; -}(_eventHandler2.default); - -exports.default = KeyLoader; - -},{"33":33,"34":34,"35":35,"53":53}],43:[function(_dereq_,module,exports){ -'use strict'; - -Object.defineProperty(exports, "__esModule", { - value: true -}); - -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); /** - * Playlist Loader - */ - -var _urlToolkit = _dereq_(2); - -var _urlToolkit2 = _interopRequireDefault(_urlToolkit); - -var _events = _dereq_(35); + }; -var _events2 = _interopRequireDefault(_events); + PenState.prototype.isDefault = function isDefault() { + return this.foreground === 'white' && !this.underline && !this.italics && this.background === 'black' && !this.flash; + }; -var _eventHandler = _dereq_(34); + PenState.prototype.equals = function equals(other) { + return this.foreground === other.foreground && this.underline === other.underline && this.italics === other.italics && this.background === other.background && this.flash === other.flash; + }; -var _eventHandler2 = _interopRequireDefault(_eventHandler); + PenState.prototype.copy = function copy(newPenState) { + this.foreground = newPenState.foreground; + this.underline = newPenState.underline; + this.italics = newPenState.italics; + this.background = newPenState.background; + this.flash = newPenState.flash; + }; -var _errors = _dereq_(33); + PenState.prototype.toString = function toString() { + return 'color=' + this.foreground + ', underline=' + this.underline + ', italics=' + this.italics + ', background=' + this.background + ', flash=' + this.flash; + }; -var _attrList = _dereq_(47); + return PenState; +}(); -var _attrList2 = _interopRequireDefault(_attrList); +/** + * Unicode character with styling and background. + * @constructor + */ -var _logger = _dereq_(53); -function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } +var StyledUnicodeChar = function () { + function StyledUnicodeChar(uchar, foreground, underline, italics, background, flash) { + cea_608_parser__classCallCheck(this, StyledUnicodeChar); -function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; } + this.uchar = uchar || ' '; // unicode character + this.penState = new PenState(foreground, underline, italics, background, flash); + } -function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } + StyledUnicodeChar.prototype.reset = function reset() { + this.uchar = ' '; + this.penState.reset(); + }; -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + StyledUnicodeChar.prototype.setChar = function setChar(uchar, newPenState) { + this.uchar = uchar; + this.penState.copy(newPenState); + }; -// https://regex101.com is your friend -var MASTER_PLAYLIST_REGEX = /#EXT-X-STREAM-INF:([^\n\r]*)[\r\n]+([^\r\n]+)/g; -var MASTER_PLAYLIST_MEDIA_REGEX = /#EXT-X-MEDIA:(.*)/g; -var LEVEL_PLAYLIST_REGEX_FAST = /#EXTINF:(\d*(?:\.\d+)?)(?:,(.*))?|(?!#)(\S.+)|#EXT-X-BYTERANGE: *(.+)|#EXT-X-PROGRAM-DATE-TIME:(.+)|#.*/g; -var LEVEL_PLAYLIST_REGEX_SLOW = /(?:(?:#(EXTM3U))|(?:#EXT-X-(PLAYLIST-TYPE):(.+))|(?:#EXT-X-(MEDIA-SEQUENCE): *(\d+))|(?:#EXT-X-(TARGETDURATION): *(\d+))|(?:#EXT-X-(KEY):(.+))|(?:#EXT-X-(START):(.+))|(?:#EXT-X-(ENDLIST))|(?:#EXT-X-(DISCONTINUITY-SEQ)UENCE:(\d+))|(?:#EXT-X-(DIS)CONTINUITY))|(?:#EXT-X-(VERSION):(\d+))|(?:#EXT-X-(MAP):(.+))|(?:(#)(.*):(.*))|(?:(#)(.*))(?:.*)\r?\n?/; + StyledUnicodeChar.prototype.setPenState = function setPenState(newPenState) { + this.penState.copy(newPenState); + }; -var LevelKey = function () { - function LevelKey() { - _classCallCheck(this, LevelKey); + StyledUnicodeChar.prototype.equals = function equals(other) { + return this.uchar === other.uchar && this.penState.equals(other.penState); + }; - this.method = null; - this.key = null; - this.iv = null; - this._uri = null; - } + StyledUnicodeChar.prototype.copy = function copy(newChar) { + this.uchar = newChar.uchar; + this.penState.copy(newChar.penState); + }; - _createClass(LevelKey, [{ - key: 'uri', - get: function get() { - if (!this._uri && this.reluri) { - this._uri = _urlToolkit2.default.buildAbsoluteURL(this.baseuri, this.reluri, { alwaysNormalize: true }); - } - return this._uri; - } - }]); + StyledUnicodeChar.prototype.isEmpty = function isEmpty() { + return this.uchar === ' ' && this.penState.isDefault(); + }; - return LevelKey; + return StyledUnicodeChar; }(); -var Fragment = function () { - function Fragment() { - _classCallCheck(this, Fragment); +/** + * CEA-608 row consisting of NR_COLS instances of StyledUnicodeChar. + * @constructor + */ - this._url = null; - this._byteRange = null; - this._decryptdata = null; - this.tagList = []; - } - _createClass(Fragment, [{ - key: 'createInitializationVector', +var Row = function () { + function Row() { + cea_608_parser__classCallCheck(this, Row); + this.chars = []; + for (var i = 0; i < NR_COLS; i++) { + this.chars.push(new StyledUnicodeChar()); + } + this.pos = 0; + this.currPenState = new PenState(); + } - /** - * Utility method for parseLevelPlaylist to create an initialization vector for a given segment - * @returns {Uint8Array} - */ - value: function createInitializationVector(segmentNumber) { - var uint8View = new Uint8Array(16); + Row.prototype.equals = function equals(other) { + var equal = true; + for (var i = 0; i < NR_COLS; i++) { + if (!this.chars[i].equals(other.chars[i])) { + equal = false; + break; + } + } + return equal; + }; - for (var i = 12; i < 16; i++) { - uint8View[i] = segmentNumber >> 8 * (15 - i) & 0xff; - } + Row.prototype.copy = function copy(other) { + for (var i = 0; i < NR_COLS; i++) { + this.chars[i].copy(other.chars[i]); + } + }; - return uint8View; - } + Row.prototype.isEmpty = function isEmpty() { + var empty = true; + for (var i = 0; i < NR_COLS; i++) { + if (!this.chars[i].isEmpty()) { + empty = false; + break; + } + } + return empty; + }; /** - * Utility method for parseLevelPlaylist to get a fragment's decryption data from the currently parsed encryption key data - * @param levelkey - a playlist's encryption info - * @param segmentNumber - the fragment's segment number - * @returns {*} - an object to be applied as a fragment's decryptdata + * Set the cursor to a valid column. */ - }, { - key: 'fragmentDecryptdataFromLevelkey', - value: function fragmentDecryptdataFromLevelkey(levelkey, segmentNumber) { - var decryptdata = levelkey; - - if (levelkey && levelkey.method && levelkey.uri && !levelkey.iv) { - decryptdata = new LevelKey(); - decryptdata.method = levelkey.method; - decryptdata.baseuri = levelkey.baseuri; - decryptdata.reluri = levelkey.reluri; - decryptdata.iv = this.createInitializationVector(segmentNumber); - } - return decryptdata; - } - }, { - key: 'cloneObj', - value: function cloneObj(obj) { - return JSON.parse(JSON.stringify(obj)); - } - }, { - key: 'url', - get: function get() { - if (!this._url && this.relurl) { - this._url = _urlToolkit2.default.buildAbsoluteURL(this.baseurl, this.relurl, { alwaysNormalize: true }); - } - return this._url; - }, - set: function set(value) { - this._url = value; - } - }, { - key: 'programDateTime', - get: function get() { - if (!this._programDateTime && this.rawProgramDateTime) { - this._programDateTime = new Date(Date.parse(this.rawProgramDateTime)); - } - return this._programDateTime; - } - }, { - key: 'byteRange', - get: function get() { - if (!this._byteRange) { - var byteRange = this._byteRange = []; - if (this.rawByteRange) { - var params = this.rawByteRange.split('@', 2); - if (params.length === 1) { - var lastByteRangeEndOffset = this.lastByteRangeEndOffset; - byteRange[0] = lastByteRangeEndOffset ? lastByteRangeEndOffset : 0; - } else { - byteRange[0] = parseInt(params[1]); - } - byteRange[1] = parseInt(params[0]) + byteRange[0]; + Row.prototype.setCursor = function setCursor(absPos) { + if (this.pos !== absPos) { + this.pos = absPos; } - } - return this._byteRange; - } - }, { - key: 'byteRangeStartOffset', - get: function get() { - return this.byteRange[0]; - } - }, { - key: 'byteRangeEndOffset', - get: function get() { - return this.byteRange[1]; - } - }, { - key: 'decryptdata', - get: function get() { - if (!this._decryptdata) { - this._decryptdata = this.fragmentDecryptdataFromLevelkey(this.levelkey, this.sn); - } - return this._decryptdata; - } - }]); + if (this.pos < 0) { + cea_608_parser_logger.log('ERROR', 'Negative cursor position ' + this.pos); + this.pos = 0; + } else if (this.pos > NR_COLS) { + cea_608_parser_logger.log('ERROR', 'Too large cursor position ' + this.pos); + this.pos = NR_COLS; + } + }; - return Fragment; -}(); + /** + * Move the cursor relative to current position. + */ -var PlaylistLoader = function (_EventHandler) { - _inherits(PlaylistLoader, _EventHandler); - function PlaylistLoader(hls) { - _classCallCheck(this, PlaylistLoader); + Row.prototype.moveCursor = function moveCursor(relPos) { + var newPos = this.pos + relPos; + if (relPos > 1) { + for (var i = this.pos + 1; i < newPos + 1; i++) { + this.chars[i].setPenState(this.currPenState); + } + } + this.setCursor(newPos); + }; - var _this = _possibleConstructorReturn(this, (PlaylistLoader.__proto__ || Object.getPrototypeOf(PlaylistLoader)).call(this, hls, _events2.default.MANIFEST_LOADING, _events2.default.LEVEL_LOADING, _events2.default.AUDIO_TRACK_LOADING, _events2.default.SUBTITLE_TRACK_LOADING)); + /** + * Backspace, move one step back and clear character. + */ - _this.loaders = {}; - return _this; - } - _createClass(PlaylistLoader, [{ - key: 'destroy', - value: function destroy() { - for (var loaderName in this.loaders) { - var loader = this.loaders[loaderName]; - if (loader) { - loader.destroy(); - } - } - this.loaders = {}; - _eventHandler2.default.prototype.destroy.call(this); - } - }, { - key: 'onManifestLoading', - value: function onManifestLoading(data) { - this.load(data.url, { type: 'manifest' }); - } - }, { - key: 'onLevelLoading', - value: function onLevelLoading(data) { - this.load(data.url, { type: 'level', level: data.level, id: data.id }); - } - }, { - key: 'onAudioTrackLoading', - value: function onAudioTrackLoading(data) { - this.load(data.url, { type: 'audioTrack', id: data.id }); - } - }, { - key: 'onSubtitleTrackLoading', - value: function onSubtitleTrackLoading(data) { - this.load(data.url, { type: 'subtitleTrack', id: data.id }); - } - }, { - key: 'load', - value: function load(url, context) { - var loader = this.loaders[context.type]; - if (loader) { - var loaderContext = loader.context; - if (loaderContext && loaderContext.url === url) { - _logger.logger.trace('playlist request ongoing'); - return; - } else { - _logger.logger.warn('abort previous loader for type:' + context.type); - loader.abort(); - } - } - var config = this.hls.config, - retry = void 0, - timeout = void 0, - retryDelay = void 0, - maxRetryDelay = void 0; - if (context.type === 'manifest') { - retry = config.manifestLoadingMaxRetry; - timeout = config.manifestLoadingTimeOut; - retryDelay = config.manifestLoadingRetryDelay; - maxRetryDelay = config.manifestLoadingMaxRetryTimeout; - } else { - retry = config.levelLoadingMaxRetry; - timeout = config.levelLoadingTimeOut; - retryDelay = config.levelLoadingRetryDelay; - maxRetryDelay = config.levelLoadingMaxRetryTimeout; - _logger.logger.log('loading playlist for ' + context.type + ' ' + (context.level || context.id)); - } - loader = this.loaders[context.type] = context.loader = typeof config.pLoader !== 'undefined' ? new config.pLoader(config) : new config.loader(config); - context.url = url; - context.responseType = ''; + Row.prototype.backSpace = function backSpace() { + this.moveCursor(-1); + this.chars[this.pos].setChar(' ', this.currPenState); + }; - var loaderConfig = void 0, - loaderCallbacks = void 0; - loaderConfig = { timeout: timeout, maxRetry: retry, retryDelay: retryDelay, maxRetryDelay: maxRetryDelay }; - loaderCallbacks = { onSuccess: this.loadsuccess.bind(this), onError: this.loaderror.bind(this), onTimeout: this.loadtimeout.bind(this) }; - loader.load(context, loaderConfig, loaderCallbacks); - } - }, { - key: 'resolve', - value: function resolve(url, baseUrl) { - return _urlToolkit2.default.buildAbsoluteURL(baseUrl, url, { alwaysNormalize: true }); - } - }, { - key: 'parseMasterPlaylist', - value: function parseMasterPlaylist(string, baseurl) { - var levels = [], - result = void 0; - MASTER_PLAYLIST_REGEX.lastIndex = 0; - while ((result = MASTER_PLAYLIST_REGEX.exec(string)) != null) { - var level = {}; - - var attrs = level.attrs = new _attrList2.default(result[1]); - level.url = this.resolve(result[2], baseurl); - - var resolution = attrs.decimalResolution('RESOLUTION'); - if (resolution) { - level.width = resolution.width; - level.height = resolution.height; - } - level.bitrate = attrs.decimalInteger('AVERAGE-BANDWIDTH') || attrs.decimalInteger('BANDWIDTH'); - level.name = attrs.NAME; - - var codecs = attrs.CODECS; - if (codecs) { - codecs = codecs.split(/[ ,]+/); - for (var i = 0; i < codecs.length; i++) { - var codec = codecs[i]; - if (codec.indexOf('avc1') !== -1) { - level.videoCodec = this.avc1toavcoti(codec); - } else { - level.audioCodec = codec; - } - } + Row.prototype.insertChar = function insertChar(byte) { + if (byte >= 0x90) { + //Extended char + this.backSpace(); } - - levels.push(level); - } - return levels; - } - }, { - key: 'parseMasterPlaylistMedia', - value: function parseMasterPlaylistMedia(string, baseurl, type) { - var result = void 0, - medias = [], - id = 0; - MASTER_PLAYLIST_MEDIA_REGEX.lastIndex = 0; - while ((result = MASTER_PLAYLIST_MEDIA_REGEX.exec(string)) != null) { - var media = {}; - var attrs = new _attrList2.default(result[1]); - if (attrs.TYPE === type) { - media.groupId = attrs['GROUP-ID']; - media.name = attrs.NAME; - media.type = type; - media.default = attrs.DEFAULT === 'YES'; - media.autoselect = attrs.AUTOSELECT === 'YES'; - media.forced = attrs.FORCED === 'YES'; - if (attrs.URI) { - media.url = this.resolve(attrs.URI, baseurl); - } - media.lang = attrs.LANGUAGE; - if (!media.name) { - media.name = media.lang; - } - media.id = id++; - medias.push(media); + var char = getCharForByte(byte); + if (this.pos >= NR_COLS) { + cea_608_parser_logger.log('ERROR', 'Cannot insert ' + byte.toString(16) + ' (' + char + ') at position ' + this.pos + '. Skipping it!'); + return; } - } - return medias; - } - }, { - key: 'avc1toavcoti', - value: function avc1toavcoti(codec) { - var result, - avcdata = codec.split('.'); - if (avcdata.length > 2) { - result = avcdata.shift() + '.'; - result += parseInt(avcdata.shift()).toString(16); - result += ('000' + parseInt(avcdata.shift()).toString(16)).substr(-4); - } else { - result = codec; - } - return result; - } - }, { - key: 'parseLevelPlaylist', - value: function parseLevelPlaylist(string, baseurl, id, type) { - var currentSN = 0, - totalduration = 0, - level = { type: null, version: null, url: baseurl, fragments: [], live: true, startSN: 0 }, - levelkey = new LevelKey(), - cc = 0, - prevFrag = null, - frag = new Fragment(), - result, - i; + this.chars[this.pos].setChar(char, this.currPenState); + this.moveCursor(1); + }; - LEVEL_PLAYLIST_REGEX_FAST.lastIndex = 0; + Row.prototype.clearFromPos = function clearFromPos(startPos) { + var i; + for (i = startPos; i < NR_COLS; i++) { + this.chars[i].reset(); + } + }; - while ((result = LEVEL_PLAYLIST_REGEX_FAST.exec(string)) !== null) { - var duration = result[1]; - if (duration) { - // INF - frag.duration = parseFloat(duration); - // avoid sliced strings https://github.com/video-dev/hls.js/issues/939 - var title = (' ' + result[2]).slice(1); - frag.title = title ? title : null; - frag.tagList.push(title ? ['INF', duration, title] : ['INF', duration]); - } else if (result[3]) { - // url - if (!isNaN(frag.duration)) { - var sn = currentSN++; - frag.type = type; - frag.start = totalduration; - frag.levelkey = levelkey; - frag.sn = sn; - frag.level = id; - frag.cc = cc; - frag.baseurl = baseurl; - // avoid sliced strings https://github.com/video-dev/hls.js/issues/939 - frag.relurl = (' ' + result[3]).slice(1); + Row.prototype.clear = function clear() { + this.clearFromPos(0); + this.pos = 0; + this.currPenState.reset(); + }; - level.fragments.push(frag); - prevFrag = frag; - totalduration += frag.duration; + Row.prototype.clearToEndOfRow = function clearToEndOfRow() { + this.clearFromPos(this.pos); + }; - frag = new Fragment(); - } - } else if (result[4]) { - // X-BYTERANGE - frag.rawByteRange = (' ' + result[4]).slice(1); - if (prevFrag) { - var lastByteRangeEndOffset = prevFrag.byteRangeEndOffset; - if (lastByteRangeEndOffset) { - frag.lastByteRangeEndOffset = lastByteRangeEndOffset; + Row.prototype.getTextString = function getTextString() { + var chars = []; + var empty = true; + for (var i = 0; i < NR_COLS; i++) { + var char = this.chars[i].uchar; + if (char !== ' ') { + empty = false; } - } - } else if (result[5]) { - // PROGRAM-DATE-TIME - // avoid sliced strings https://github.com/video-dev/hls.js/issues/939 - frag.rawProgramDateTime = (' ' + result[5]).slice(1); - frag.tagList.push(['PROGRAM-DATE-TIME', frag.rawProgramDateTime]); + chars.push(char); + } + if (empty) { + return ''; } else { - result = result[0].match(LEVEL_PLAYLIST_REGEX_SLOW); - for (i = 1; i < result.length; i++) { - if (result[i] !== undefined) { - break; - } - } + return chars.join(''); + } + }; - // avoid sliced strings https://github.com/video-dev/hls.js/issues/939 - var value1 = (' ' + result[i + 1]).slice(1); - var value2 = (' ' + result[i + 2]).slice(1); + Row.prototype.setPenStyles = function setPenStyles(styles) { + this.currPenState.setStyles(styles); + var currChar = this.chars[this.pos]; + currChar.setPenState(this.currPenState); + }; - switch (result[i]) { - case '#': - frag.tagList.push(value2 ? [value1, value2] : [value1]); - break; - case 'PLAYLIST-TYPE': - level.type = value1.toUpperCase(); - break; - case 'MEDIA-SEQUENCE': - currentSN = level.startSN = parseInt(value1); - break; - case 'TARGETDURATION': - level.targetduration = parseFloat(value1); - break; - case 'VERSION': - level.version = parseInt(value1); - break; - case 'EXTM3U': - break; - case 'ENDLIST': - level.live = false; - break; - case 'DIS': - cc++; - frag.tagList.push(['DIS']); - break; - case 'DISCONTINUITY-SEQ': - cc = parseInt(value1); - break; - case 'KEY': - // https://tools.ietf.org/html/draft-pantos-http-live-streaming-08#section-3.4.4 - var decryptparams = value1; - var keyAttrs = new _attrList2.default(decryptparams); - var decryptmethod = keyAttrs.enumeratedString('METHOD'), - decrypturi = keyAttrs.URI, - decryptiv = keyAttrs.hexadecimalInteger('IV'); - if (decryptmethod) { - levelkey = new LevelKey(); - if (decrypturi && ['AES-128', 'SAMPLE-AES'].indexOf(decryptmethod) >= 0) { - levelkey.method = decryptmethod; - // URI to get the key - levelkey.baseuri = baseurl; - levelkey.reluri = decrypturi; - levelkey.key = null; - // Initialization Vector (IV) - levelkey.iv = decryptiv; - } - } - break; - case 'START': - var startParams = value1; - var startAttrs = new _attrList2.default(startParams); - var startTimeOffset = startAttrs.decimalFloatingPoint('TIME-OFFSET'); - //TIME-OFFSET can be 0 - if (!isNaN(startTimeOffset)) { - level.startTimeOffset = startTimeOffset; - } - break; - case 'MAP': - var mapAttrs = new _attrList2.default(value1); - frag.relurl = mapAttrs.URI; - frag.rawByteRange = mapAttrs.BYTERANGE; - frag.baseurl = baseurl; - frag.level = id; - frag.type = type; - frag.sn = 'initSegment'; - level.initSegment = frag; - frag = new Fragment(); - break; - default: - _logger.logger.warn('line parsed but not handled: ' + result); - break; - } - } - } - frag = prevFrag; - //logger.log('found ' + level.fragments.length + ' fragments'); - if (frag && !frag.relurl) { - level.fragments.pop(); - totalduration -= frag.duration; - } - level.totalduration = totalduration; - level.averagetargetduration = totalduration / level.fragments.length; - level.endSN = currentSN - 1; - return level; - } - }, { - key: 'loadsuccess', - value: function loadsuccess(response, stats, context) { - var string = response.data, - url = response.url, - type = context.type, - id = context.id, - level = context.level, - hls = this.hls; + return Row; +}(); - this.loaders[type] = undefined; - // responseURL not supported on some browsers (it is used to detect URL redirection) - // data-uri mode also not supported (but no need to detect redirection) - if (url === undefined || url.indexOf('data:') === 0) { - // fallback to initial URL - url = context.url; - } - stats.tload = performance.now(); - //stats.mtime = new Date(target.getResponseHeader('Last-Modified')); - if (string.indexOf('#EXTM3U') === 0) { - if (string.indexOf('#EXTINF:') > 0) { - var isLevel = type !== 'audioTrack' && type !== 'subtitleTrack', - levelId = !isNaN(level) ? level : !isNaN(id) ? id : 0, - levelDetails = this.parseLevelPlaylist(string, url, levelId, type === 'audioTrack' ? 'audio' : type === 'subtitleTrack' ? 'subtitle' : 'main'); - levelDetails.tload = stats.tload; - if (type === 'manifest') { - // first request, stream manifest (no master playlist), fire manifest loaded event with level details - hls.trigger(_events2.default.MANIFEST_LOADED, { levels: [{ url: url, details: levelDetails }], audioTracks: [], url: url, stats: stats }); - } - stats.tparsed = performance.now(); - if (levelDetails.targetduration) { - if (isLevel) { - hls.trigger(_events2.default.LEVEL_LOADED, { details: levelDetails, level: level || 0, id: id || 0, stats: stats }); - } else { - if (type === 'audioTrack') { - hls.trigger(_events2.default.AUDIO_TRACK_LOADED, { details: levelDetails, id: id, stats: stats }); - } else if (type === 'subtitleTrack') { - hls.trigger(_events2.default.SUBTITLE_TRACK_LOADED, { details: levelDetails, id: id, stats: stats }); - } - } - } else { - hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.NETWORK_ERROR, details: _errors.ErrorDetails.MANIFEST_PARSING_ERROR, fatal: true, url: url, reason: 'invalid targetduration' }); - } - } else { - var levels = this.parseMasterPlaylist(string, url); - // multi level playlist, parse level info - if (levels.length) { - var audioTracks = this.parseMasterPlaylistMedia(string, url, 'AUDIO'); - var subtitles = this.parseMasterPlaylistMedia(string, url, 'SUBTITLES'); - if (audioTracks.length) { - // check if we have found an audio track embedded in main playlist (audio track without URI attribute) - var embeddedAudioFound = false; - audioTracks.forEach(function (audioTrack) { - if (!audioTrack.url) { - embeddedAudioFound = true; - } - }); - // if no embedded audio track defined, but audio codec signaled in quality level, we need to signal this main audio track - // this could happen with playlists with alt audio rendition in which quality levels (main) contains both audio+video. but with mixed audio track not signaled - if (embeddedAudioFound === false && levels[0].audioCodec && !levels[0].attrs.AUDIO) { - _logger.logger.log('audio codec signaled in quality level, but no embedded audio track signaled, create one'); - audioTracks.unshift({ type: 'main', name: 'main' }); - } - } - hls.trigger(_events2.default.MANIFEST_LOADED, { levels: levels, audioTracks: audioTracks, subtitles: subtitles, url: url, stats: stats }); - } else { - hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.NETWORK_ERROR, details: _errors.ErrorDetails.MANIFEST_PARSING_ERROR, fatal: true, url: url, reason: 'no level found in manifest' }); - } - } - } else { - hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.NETWORK_ERROR, details: _errors.ErrorDetails.MANIFEST_PARSING_ERROR, fatal: true, url: url, reason: 'no EXTM3U delimiter' }); - } - } - }, { - key: 'loaderror', - value: function loaderror(response, context) { - var details, - fatal, - loader = context.loader; - switch (context.type) { - case 'manifest': - details = _errors.ErrorDetails.MANIFEST_LOAD_ERROR; - fatal = true; - break; - case 'level': - details = _errors.ErrorDetails.LEVEL_LOAD_ERROR; - fatal = false; - break; - case 'audioTrack': - details = _errors.ErrorDetails.AUDIO_TRACK_LOAD_ERROR; - fatal = false; - break; - } - if (loader) { - loader.abort(); - this.loaders[context.type] = undefined; - } - this.hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.NETWORK_ERROR, details: details, fatal: fatal, url: loader.url, loader: loader, response: response, context: context }); - } - }, { - key: 'loadtimeout', - value: function loadtimeout(stats, context) { - var details, - fatal, - loader = context.loader; - switch (context.type) { - case 'manifest': - details = _errors.ErrorDetails.MANIFEST_LOAD_TIMEOUT; - fatal = true; - break; - case 'level': - details = _errors.ErrorDetails.LEVEL_LOAD_TIMEOUT; - fatal = false; - break; - case 'audioTrack': - details = _errors.ErrorDetails.AUDIO_TRACK_LOAD_TIMEOUT; - fatal = false; - break; - } - if (loader) { - loader.abort(); - this.loaders[context.type] = undefined; - } - this.hls.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.NETWORK_ERROR, details: details, fatal: fatal, url: loader.url, loader: loader, context: context }); - } - }]); +/** + * Keep a CEA-608 screen of 32x15 styled characters + * @constructor +*/ - return PlaylistLoader; -}(_eventHandler2.default); -exports.default = PlaylistLoader; +var CaptionScreen = function () { + function CaptionScreen() { + cea_608_parser__classCallCheck(this, CaptionScreen); + + this.rows = []; + for (var i = 0; i < NR_ROWS; i++) { + this.rows.push(new Row()); // Note that we use zero-based numbering (0-14) + } + this.currRow = NR_ROWS - 1; + this.nrRollUpRows = null; + this.reset(); + } + + CaptionScreen.prototype.reset = function reset() { + for (var i = 0; i < NR_ROWS; i++) { + this.rows[i].clear(); + } + this.currRow = NR_ROWS - 1; + }; -},{"2":2,"33":33,"34":34,"35":35,"47":47,"53":53}],44:[function(_dereq_,module,exports){ -'use strict'; + CaptionScreen.prototype.equals = function equals(other) { + var equal = true; + for (var i = 0; i < NR_ROWS; i++) { + if (!this.rows[i].equals(other.rows[i])) { + equal = false; + break; + } + } + return equal; + }; -Object.defineProperty(exports, "__esModule", { - value: true -}); + CaptionScreen.prototype.copy = function copy(other) { + for (var i = 0; i < NR_ROWS; i++) { + this.rows[i].copy(other.rows[i]); + } + }; -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); + CaptionScreen.prototype.isEmpty = function isEmpty() { + var empty = true; + for (var i = 0; i < NR_ROWS; i++) { + if (!this.rows[i].isEmpty()) { + empty = false; + break; + } + } + return empty; + }; -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + CaptionScreen.prototype.backSpace = function backSpace() { + var row = this.rows[this.currRow]; + row.backSpace(); + }; -/** - * Generate MP4 Box -*/ + CaptionScreen.prototype.clearToEndOfRow = function clearToEndOfRow() { + var row = this.rows[this.currRow]; + row.clearToEndOfRow(); + }; -//import Hex from '../utils/hex'; + /** + * Insert a character (without styling) in the current row. + */ -var UINT32_MAX = Math.pow(2, 32) - 1; -var MP4 = function () { - function MP4() { - _classCallCheck(this, MP4); - } - - _createClass(MP4, null, [{ - key: 'init', - value: function init() { - MP4.types = { - avc1: [], // codingname - avcC: [], - btrt: [], - dinf: [], - dref: [], - esds: [], - ftyp: [], - hdlr: [], - mdat: [], - mdhd: [], - mdia: [], - mfhd: [], - minf: [], - moof: [], - moov: [], - mp4a: [], - '.mp3': [], - mvex: [], - mvhd: [], - pasp: [], - sdtp: [], - stbl: [], - stco: [], - stsc: [], - stsd: [], - stsz: [], - stts: [], - tfdt: [], - tfhd: [], - traf: [], - trak: [], - trun: [], - trex: [], - tkhd: [], - vmhd: [], - smhd: [] - }; + CaptionScreen.prototype.insertChar = function insertChar(char) { + var row = this.rows[this.currRow]; + row.insertChar(char); + }; - var i; - for (i in MP4.types) { - if (MP4.types.hasOwnProperty(i)) { - MP4.types[i] = [i.charCodeAt(0), i.charCodeAt(1), i.charCodeAt(2), i.charCodeAt(3)]; - } - } - - var videoHdlr = new Uint8Array([0x00, // version 0 - 0x00, 0x00, 0x00, // flags - 0x00, 0x00, 0x00, 0x00, // pre_defined - 0x76, 0x69, 0x64, 0x65, // handler_type: 'vide' - 0x00, 0x00, 0x00, 0x00, // reserved - 0x00, 0x00, 0x00, 0x00, // reserved - 0x00, 0x00, 0x00, 0x00, // reserved - 0x56, 0x69, 0x64, 0x65, 0x6f, 0x48, 0x61, 0x6e, 0x64, 0x6c, 0x65, 0x72, 0x00 // name: 'VideoHandler' - ]); - - var audioHdlr = new Uint8Array([0x00, // version 0 - 0x00, 0x00, 0x00, // flags - 0x00, 0x00, 0x00, 0x00, // pre_defined - 0x73, 0x6f, 0x75, 0x6e, // handler_type: 'soun' - 0x00, 0x00, 0x00, 0x00, // reserved - 0x00, 0x00, 0x00, 0x00, // reserved - 0x00, 0x00, 0x00, 0x00, // reserved - 0x53, 0x6f, 0x75, 0x6e, 0x64, 0x48, 0x61, 0x6e, 0x64, 0x6c, 0x65, 0x72, 0x00 // name: 'SoundHandler' - ]); - - MP4.HDLR_TYPES = { - 'video': videoHdlr, - 'audio': audioHdlr - }; + CaptionScreen.prototype.setPen = function setPen(styles) { + var row = this.rows[this.currRow]; + row.setPenStyles(styles); + }; - var dref = new Uint8Array([0x00, // version 0 - 0x00, 0x00, 0x00, // flags - 0x00, 0x00, 0x00, 0x01, // entry_count - 0x00, 0x00, 0x00, 0x0c, // entry_size - 0x75, 0x72, 0x6c, 0x20, // 'url' type - 0x00, // version 0 - 0x00, 0x00, 0x01 // entry_flags - ]); - - var stco = new Uint8Array([0x00, // version - 0x00, 0x00, 0x00, // flags - 0x00, 0x00, 0x00, 0x00 // entry_count - ]); - - MP4.STTS = MP4.STSC = MP4.STCO = stco; - - MP4.STSZ = new Uint8Array([0x00, // version - 0x00, 0x00, 0x00, // flags - 0x00, 0x00, 0x00, 0x00, // sample_size - 0x00, 0x00, 0x00, 0x00]); - MP4.VMHD = new Uint8Array([0x00, // version - 0x00, 0x00, 0x01, // flags - 0x00, 0x00, // graphicsmode - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 // opcolor - ]); - MP4.SMHD = new Uint8Array([0x00, // version - 0x00, 0x00, 0x00, // flags - 0x00, 0x00, // balance - 0x00, 0x00 // reserved - ]); - - MP4.STSD = new Uint8Array([0x00, // version 0 - 0x00, 0x00, 0x00, // flags - 0x00, 0x00, 0x00, 0x01]); // entry_count - - var majorBrand = new Uint8Array([105, 115, 111, 109]); // isom - var avc1Brand = new Uint8Array([97, 118, 99, 49]); // avc1 - var minorVersion = new Uint8Array([0, 0, 0, 1]); - - MP4.FTYP = MP4.box(MP4.types.ftyp, majorBrand, minorVersion, majorBrand, avc1Brand); - MP4.DINF = MP4.box(MP4.types.dinf, MP4.box(MP4.types.dref, dref)); - } - }, { - key: 'box', - value: function box(type) { - var payload = Array.prototype.slice.call(arguments, 1), - size = 8, - i = payload.length, - len = i, - result; - // calculate the total size we need to allocate - while (i--) { - size += payload[i].byteLength; - } - result = new Uint8Array(size); - result[0] = size >> 24 & 0xff; - result[1] = size >> 16 & 0xff; - result[2] = size >> 8 & 0xff; - result[3] = size & 0xff; - result.set(type, 4); - // copy the payload into the result - for (i = 0, size = 8; i < len; i++) { - // copy payload[i] array @ offset size - result.set(payload[i], size); - size += payload[i].byteLength; - } - return result; - } - }, { - key: 'hdlr', - value: function hdlr(type) { - return MP4.box(MP4.types.hdlr, MP4.HDLR_TYPES[type]); - } - }, { - key: 'mdat', - value: function mdat(data) { - return MP4.box(MP4.types.mdat, data); - } - }, { - key: 'mdhd', - value: function mdhd(timescale, duration) { - duration *= timescale; - var upperWordDuration = Math.floor(duration / (UINT32_MAX + 1)); - var lowerWordDuration = Math.floor(duration % (UINT32_MAX + 1)); - return MP4.box(MP4.types.mdhd, new Uint8Array([0x01, // version 1 - 0x00, 0x00, 0x00, // flags - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // creation_time - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, // modification_time - timescale >> 24 & 0xFF, timescale >> 16 & 0xFF, timescale >> 8 & 0xFF, timescale & 0xFF, // timescale - upperWordDuration >> 24, upperWordDuration >> 16 & 0xFF, upperWordDuration >> 8 & 0xFF, upperWordDuration & 0xFF, lowerWordDuration >> 24, lowerWordDuration >> 16 & 0xFF, lowerWordDuration >> 8 & 0xFF, lowerWordDuration & 0xFF, 0x55, 0xc4, // 'und' language (undetermined) - 0x00, 0x00])); - } - }, { - key: 'mdia', - value: function mdia(track) { - return MP4.box(MP4.types.mdia, MP4.mdhd(track.timescale, track.duration), MP4.hdlr(track.type), MP4.minf(track)); - } - }, { - key: 'mfhd', - value: function mfhd(sequenceNumber) { - return MP4.box(MP4.types.mfhd, new Uint8Array([0x00, 0x00, 0x00, 0x00, // flags - sequenceNumber >> 24, sequenceNumber >> 16 & 0xFF, sequenceNumber >> 8 & 0xFF, sequenceNumber & 0xFF])); - } - }, { - key: 'minf', - value: function minf(track) { - if (track.type === 'audio') { - return MP4.box(MP4.types.minf, MP4.box(MP4.types.smhd, MP4.SMHD), MP4.DINF, MP4.stbl(track)); - } else { - return MP4.box(MP4.types.minf, MP4.box(MP4.types.vmhd, MP4.VMHD), MP4.DINF, MP4.stbl(track)); - } - } - }, { - key: 'moof', - value: function moof(sn, baseMediaDecodeTime, track) { - return MP4.box(MP4.types.moof, MP4.mfhd(sn), MP4.traf(track, baseMediaDecodeTime)); - } - /** - * @param tracks... (optional) {array} the tracks associated with this movie - */ + CaptionScreen.prototype.moveCursor = function moveCursor(relPos) { + var row = this.rows[this.currRow]; + row.moveCursor(relPos); + }; - }, { - key: 'moov', - value: function moov(tracks) { - var i = tracks.length, - boxes = []; + CaptionScreen.prototype.setCursor = function setCursor(absPos) { + cea_608_parser_logger.log('INFO', 'setCursor: ' + absPos); + var row = this.rows[this.currRow]; + row.setCursor(absPos); + }; - while (i--) { - boxes[i] = MP4.trak(tracks[i]); - } + CaptionScreen.prototype.setPAC = function setPAC(pacData) { + cea_608_parser_logger.log('INFO', 'pacData = ' + JSON.stringify(pacData)); + var newRow = pacData.row - 1; + if (this.nrRollUpRows && newRow < this.nrRollUpRows - 1) { + newRow = this.nrRollUpRows - 1; + } - return MP4.box.apply(null, [MP4.types.moov, MP4.mvhd(tracks[0].timescale, tracks[0].duration)].concat(boxes).concat(MP4.mvex(tracks))); - } - }, { - key: 'mvex', - value: function mvex(tracks) { - var i = tracks.length, - boxes = []; + //Make sure this only affects Roll-up Captions by checking this.nrRollUpRows + if (this.nrRollUpRows && this.currRow !== newRow) { + //clear all rows first + for (var i = 0; i < NR_ROWS; i++) { + this.rows[i].clear(); + } - while (i--) { - boxes[i] = MP4.trex(tracks[i]); - } - return MP4.box.apply(null, [MP4.types.mvex].concat(boxes)); - } - }, { - key: 'mvhd', - value: function mvhd(timescale, duration) { - duration *= timescale; - var upperWordDuration = Math.floor(duration / (UINT32_MAX + 1)); - var lowerWordDuration = Math.floor(duration % (UINT32_MAX + 1)); - var bytes = new Uint8Array([0x01, // version 1 - 0x00, 0x00, 0x00, // flags - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // creation_time - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, // modification_time - timescale >> 24 & 0xFF, timescale >> 16 & 0xFF, timescale >> 8 & 0xFF, timescale & 0xFF, // timescale - upperWordDuration >> 24, upperWordDuration >> 16 & 0xFF, upperWordDuration >> 8 & 0xFF, upperWordDuration & 0xFF, lowerWordDuration >> 24, lowerWordDuration >> 16 & 0xFF, lowerWordDuration >> 8 & 0xFF, lowerWordDuration & 0xFF, 0x00, 0x01, 0x00, 0x00, // 1.0 rate - 0x01, 0x00, // 1.0 volume - 0x00, 0x00, // reserved - 0x00, 0x00, 0x00, 0x00, // reserved - 0x00, 0x00, 0x00, 0x00, // reserved - 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, // transformation: unity matrix - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // pre_defined - 0xff, 0xff, 0xff, 0xff // next_track_ID - ]); - return MP4.box(MP4.types.mvhd, bytes); - } - }, { - key: 'sdtp', - value: function sdtp(track) { - var samples = track.samples || [], - bytes = new Uint8Array(4 + samples.length), - flags, - i; - // leave the full box header (4 bytes) all zero - // write the sample table - for (i = 0; i < samples.length; i++) { - flags = samples[i].flags; - bytes[i + 4] = flags.dependsOn << 4 | flags.isDependedOn << 2 | flags.hasRedundancy; - } + //Copy this.nrRollUpRows rows from lastOutputScreen and place it in the newRow location + //topRowIndex - the start of rows to copy (inclusive index) + var topRowIndex = this.currRow + 1 - this.nrRollUpRows; + //We only copy if the last position was already shown. + //We use the cueStartTime value to check this. + var lastOutputScreen = this.lastOutputScreen; + if (lastOutputScreen) { + var prevLineTime = lastOutputScreen.rows[topRowIndex].cueStartTime; + if (prevLineTime && prevLineTime < cea_608_parser_logger.time) { + for (var _i = 0; _i < this.nrRollUpRows; _i++) { + this.rows[newRow - this.nrRollUpRows + _i + 1].copy(lastOutputScreen.rows[topRowIndex + _i]); + } + } + } + } - return MP4.box(MP4.types.sdtp, bytes); - } - }, { - key: 'stbl', - value: function stbl(track) { - return MP4.box(MP4.types.stbl, MP4.stsd(track), MP4.box(MP4.types.stts, MP4.STTS), MP4.box(MP4.types.stsc, MP4.STSC), MP4.box(MP4.types.stsz, MP4.STSZ), MP4.box(MP4.types.stco, MP4.STCO)); - } - }, { - key: 'avc1', - value: function avc1(track) { - var sps = [], - pps = [], - i, - data, - len; - // assemble the SPSs - - for (i = 0; i < track.sps.length; i++) { - data = track.sps[i]; - len = data.byteLength; - sps.push(len >>> 8 & 0xFF); - sps.push(len & 0xFF); - sps = sps.concat(Array.prototype.slice.call(data)); // SPS - } - - // assemble the PPSs - for (i = 0; i < track.pps.length; i++) { - data = track.pps[i]; - len = data.byteLength; - pps.push(len >>> 8 & 0xFF); - pps.push(len & 0xFF); - pps = pps.concat(Array.prototype.slice.call(data)); - } - - var avcc = MP4.box(MP4.types.avcC, new Uint8Array([0x01, // version - sps[3], // profile - sps[4], // profile compat - sps[5], // level - 0xfc | 3, // lengthSizeMinusOne, hard-coded to 4 bytes - 0xE0 | track.sps.length // 3bit reserved (111) + numOfSequenceParameterSets - ].concat(sps).concat([track.pps.length // numOfPictureParameterSets - ]).concat(pps))), - // "PPS" - width = track.width, - height = track.height, - hSpacing = track.pixelRatio[0], - vSpacing = track.pixelRatio[1]; - //console.log('avcc:' + Hex.hexDump(avcc)); - return MP4.box(MP4.types.avc1, new Uint8Array([0x00, 0x00, 0x00, // reserved - 0x00, 0x00, 0x00, // reserved - 0x00, 0x01, // data_reference_index - 0x00, 0x00, // pre_defined - 0x00, 0x00, // reserved - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // pre_defined - width >> 8 & 0xFF, width & 0xff, // width - height >> 8 & 0xFF, height & 0xff, // height - 0x00, 0x48, 0x00, 0x00, // horizresolution - 0x00, 0x48, 0x00, 0x00, // vertresolution - 0x00, 0x00, 0x00, 0x00, // reserved - 0x00, 0x01, // frame_count - 0x12, 0x64, 0x61, 0x69, 0x6C, //dailymotion/hls.js - 0x79, 0x6D, 0x6F, 0x74, 0x69, 0x6F, 0x6E, 0x2F, 0x68, 0x6C, 0x73, 0x2E, 0x6A, 0x73, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // compressorname - 0x00, 0x18, // depth = 24 - 0x11, 0x11]), // pre_defined = -1 - avcc, MP4.box(MP4.types.btrt, new Uint8Array([0x00, 0x1c, 0x9c, 0x80, // bufferSizeDB - 0x00, 0x2d, 0xc6, 0xc0, // maxBitrate - 0x00, 0x2d, 0xc6, 0xc0])), // avgBitrate - MP4.box(MP4.types.pasp, new Uint8Array([hSpacing >> 24, // hSpacing - hSpacing >> 16 & 0xFF, hSpacing >> 8 & 0xFF, hSpacing & 0xFF, vSpacing >> 24, // vSpacing - vSpacing >> 16 & 0xFF, vSpacing >> 8 & 0xFF, vSpacing & 0xFF]))); - } - }, { - key: 'esds', - value: function esds(track) { - var configlen = track.config.length; - return new Uint8Array([0x00, // version 0 - 0x00, 0x00, 0x00, // flags - - 0x03, // descriptor_type - 0x17 + configlen, // length - 0x00, 0x01, //es_id - 0x00, // stream_priority - - 0x04, // descriptor_type - 0x0f + configlen, // length - 0x40, //codec : mpeg4_audio - 0x15, // stream_type - 0x00, 0x00, 0x00, // buffer_size - 0x00, 0x00, 0x00, 0x00, // maxBitrate - 0x00, 0x00, 0x00, 0x00, // avgBitrate - - 0x05 // descriptor_type - ].concat([configlen]).concat(track.config).concat([0x06, 0x01, 0x02])); // GASpecificConfig)); // length + audio config descriptor - } - }, { - key: 'mp4a', - value: function mp4a(track) { - var samplerate = track.samplerate; - return MP4.box(MP4.types.mp4a, new Uint8Array([0x00, 0x00, 0x00, // reserved - 0x00, 0x00, 0x00, // reserved - 0x00, 0x01, // data_reference_index - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // reserved - 0x00, track.channelCount, // channelcount - 0x00, 0x10, // sampleSize:16bits - 0x00, 0x00, 0x00, 0x00, // reserved2 - samplerate >> 8 & 0xFF, samplerate & 0xff, // - 0x00, 0x00]), MP4.box(MP4.types.esds, MP4.esds(track))); - } - }, { - key: 'mp3', - value: function mp3(track) { - var samplerate = track.samplerate; - return MP4.box(MP4.types['.mp3'], new Uint8Array([0x00, 0x00, 0x00, // reserved - 0x00, 0x00, 0x00, // reserved - 0x00, 0x01, // data_reference_index - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // reserved - 0x00, track.channelCount, // channelcount - 0x00, 0x10, // sampleSize:16bits - 0x00, 0x00, 0x00, 0x00, // reserved2 - samplerate >> 8 & 0xFF, samplerate & 0xff, // - 0x00, 0x00])); - } - }, { - key: 'stsd', - value: function stsd(track) { - if (track.type === 'audio') { - if (!track.isAAC && track.codec === 'mp3') { - return MP4.box(MP4.types.stsd, MP4.STSD, MP4.mp3(track)); + this.currRow = newRow; + var row = this.rows[this.currRow]; + if (pacData.indent !== null) { + var indent = pacData.indent; + var prevPos = Math.max(indent - 1, 0); + row.setCursor(pacData.indent); + pacData.color = row.chars[prevPos].penState.foreground; } - return MP4.box(MP4.types.stsd, MP4.STSD, MP4.mp4a(track)); - } else { - return MP4.box(MP4.types.stsd, MP4.STSD, MP4.avc1(track)); - } - } - }, { - key: 'tkhd', - value: function tkhd(track) { - var id = track.id, - duration = track.duration * track.timescale, - width = track.width, - height = track.height, - upperWordDuration = Math.floor(duration / (UINT32_MAX + 1)), - lowerWordDuration = Math.floor(duration % (UINT32_MAX + 1)); - return MP4.box(MP4.types.tkhd, new Uint8Array([0x01, // version 1 - 0x00, 0x00, 0x07, // flags - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // creation_time - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, // modification_time - id >> 24 & 0xFF, id >> 16 & 0xFF, id >> 8 & 0xFF, id & 0xFF, // track_ID - 0x00, 0x00, 0x00, 0x00, // reserved - upperWordDuration >> 24, upperWordDuration >> 16 & 0xFF, upperWordDuration >> 8 & 0xFF, upperWordDuration & 0xFF, lowerWordDuration >> 24, lowerWordDuration >> 16 & 0xFF, lowerWordDuration >> 8 & 0xFF, lowerWordDuration & 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // reserved - 0x00, 0x00, // layer - 0x00, 0x00, // alternate_group - 0x00, 0x00, // non-audio track volume - 0x00, 0x00, // reserved - 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, // transformation: unity matrix - width >> 8 & 0xFF, width & 0xFF, 0x00, 0x00, // width - height >> 8 & 0xFF, height & 0xFF, 0x00, 0x00 // height - ])); - } - }, { - key: 'traf', - value: function traf(track, baseMediaDecodeTime) { - var sampleDependencyTable = MP4.sdtp(track), - id = track.id, - upperWordBaseMediaDecodeTime = Math.floor(baseMediaDecodeTime / (UINT32_MAX + 1)), - lowerWordBaseMediaDecodeTime = Math.floor(baseMediaDecodeTime % (UINT32_MAX + 1)); - return MP4.box(MP4.types.traf, MP4.box(MP4.types.tfhd, new Uint8Array([0x00, // version 0 - 0x00, 0x00, 0x00, // flags - id >> 24, id >> 16 & 0XFF, id >> 8 & 0XFF, id & 0xFF])), MP4.box(MP4.types.tfdt, new Uint8Array([0x01, // version 1 - 0x00, 0x00, 0x00, // flags - upperWordBaseMediaDecodeTime >> 24, upperWordBaseMediaDecodeTime >> 16 & 0XFF, upperWordBaseMediaDecodeTime >> 8 & 0XFF, upperWordBaseMediaDecodeTime & 0xFF, lowerWordBaseMediaDecodeTime >> 24, lowerWordBaseMediaDecodeTime >> 16 & 0XFF, lowerWordBaseMediaDecodeTime >> 8 & 0XFF, lowerWordBaseMediaDecodeTime & 0xFF])), MP4.trun(track, sampleDependencyTable.length + 16 + // tfhd - 20 + // tfdt - 8 + // traf header - 16 + // mfhd - 8 + // moof header - 8), // mdat header - sampleDependencyTable); - } + var styles = { foreground: pacData.color, underline: pacData.underline, italics: pacData.italics, background: 'black', flash: false }; + this.setPen(styles); + }; /** - * Generate a track box. - * @param track {object} a track definition - * @return {Uint8Array} the track box + * Set background/extra foreground, but first do back_space, and then insert space (backwards compatibility). */ - }, { - key: 'trak', - value: function trak(track) { - track.duration = track.duration || 0xffffffff; - return MP4.box(MP4.types.trak, MP4.tkhd(track), MP4.mdia(track)); - } - }, { - key: 'trex', - value: function trex(track) { - var id = track.id; - return MP4.box(MP4.types.trex, new Uint8Array([0x00, // version 0 - 0x00, 0x00, 0x00, // flags - id >> 24, id >> 16 & 0XFF, id >> 8 & 0XFF, id & 0xFF, // track_ID - 0x00, 0x00, 0x00, 0x01, // default_sample_description_index - 0x00, 0x00, 0x00, 0x00, // default_sample_duration - 0x00, 0x00, 0x00, 0x00, // default_sample_size - 0x00, 0x01, 0x00, 0x01 // default_sample_flags - ])); - } - }, { - key: 'trun', - value: function trun(track, offset) { - var samples = track.samples || [], - len = samples.length, - arraylen = 12 + 16 * len, - array = new Uint8Array(arraylen), - i, - sample, - duration, - size, - flags, - cts; - offset += 8 + arraylen; - array.set([0x00, // version 0 - 0x00, 0x0f, 0x01, // flags - len >>> 24 & 0xFF, len >>> 16 & 0xFF, len >>> 8 & 0xFF, len & 0xFF, // sample_count - offset >>> 24 & 0xFF, offset >>> 16 & 0xFF, offset >>> 8 & 0xFF, offset & 0xFF // data_offset - ], 0); - for (i = 0; i < len; i++) { - sample = samples[i]; - duration = sample.duration; - size = sample.size; - flags = sample.flags; - cts = sample.cts; - array.set([duration >>> 24 & 0xFF, duration >>> 16 & 0xFF, duration >>> 8 & 0xFF, duration & 0xFF, // sample_duration - size >>> 24 & 0xFF, size >>> 16 & 0xFF, size >>> 8 & 0xFF, size & 0xFF, // sample_size - flags.isLeading << 2 | flags.dependsOn, flags.isDependedOn << 6 | flags.hasRedundancy << 4 | flags.paddingValue << 1 | flags.isNonSync, flags.degradPrio & 0xF0 << 8, flags.degradPrio & 0x0F, // sample_flags - cts >>> 24 & 0xFF, cts >>> 16 & 0xFF, cts >>> 8 & 0xFF, cts & 0xFF // sample_composition_time_offset - ], 12 + 16 * i); - } - return MP4.box(MP4.types.trun, array); - } - }, { - key: 'initSegment', - value: function initSegment(tracks) { - if (!MP4.types) { - MP4.init(); - } - var movie = MP4.moov(tracks), - result; - result = new Uint8Array(MP4.FTYP.byteLength + movie.byteLength); - result.set(MP4.FTYP); - result.set(movie, MP4.FTYP.byteLength); - return result; - } - }]); - - return MP4; -}(); -exports.default = MP4; + CaptionScreen.prototype.setBkgData = function setBkgData(bkgData) { -},{}],45:[function(_dereq_,module,exports){ -'use strict'; + cea_608_parser_logger.log('INFO', 'bkgData = ' + JSON.stringify(bkgData)); + this.backSpace(); + this.setPen(bkgData); + this.insertChar(0x20); //Space + }; -Object.defineProperty(exports, "__esModule", { - value: true -}); + CaptionScreen.prototype.setRollUpRows = function setRollUpRows(nrRows) { + this.nrRollUpRows = nrRows; + }; -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); /** - * fMP4 remuxer - */ + CaptionScreen.prototype.rollUp = function rollUp() { + if (this.nrRollUpRows === null) { + cea_608_parser_logger.log('DEBUG', 'roll_up but nrRollUpRows not set yet'); + return; //Not properly setup + } + cea_608_parser_logger.log('TEXT', this.getDisplayText()); + var topRowIndex = this.currRow + 1 - this.nrRollUpRows; + var topRow = this.rows.splice(topRowIndex, 1)[0]; + topRow.clear(); + this.rows.splice(this.currRow, 0, topRow); + cea_608_parser_logger.log('INFO', 'Rolling up'); + //logger.log('TEXT', this.get_display_text()) + }; -var _aac = _dereq_(36); + /** + * Get all non-empty rows with as unicode text. + */ -var _aac2 = _interopRequireDefault(_aac); -var _events = _dereq_(35); + CaptionScreen.prototype.getDisplayText = function getDisplayText(asOneRow) { + asOneRow = asOneRow || false; + var displayText = []; + var text = ''; + var rowNr = -1; + for (var i = 0; i < NR_ROWS; i++) { + var rowText = this.rows[i].getTextString(); + if (rowText) { + rowNr = i + 1; + if (asOneRow) { + displayText.push('Row ' + rowNr + ': \'' + rowText + '\''); + } else { + displayText.push(rowText.trim()); + } + } + } + if (displayText.length > 0) { + if (asOneRow) { + text = '[' + displayText.join(' | ') + ']'; + } else { + text = displayText.join('\n'); + } + } + return text; + }; -var _events2 = _interopRequireDefault(_events); + CaptionScreen.prototype.getTextAndFormat = function getTextAndFormat() { + return this.rows; + }; -var _logger = _dereq_(53); + return CaptionScreen; +}(); -var _mp4Generator = _dereq_(44); +//var modes = ['MODE_ROLL-UP', 'MODE_POP-ON', 'MODE_PAINT-ON', 'MODE_TEXT']; -var _mp4Generator2 = _interopRequireDefault(_mp4Generator); +var Cea608Channel = function () { + function Cea608Channel(channelNumber, outputFilter) { + cea_608_parser__classCallCheck(this, Cea608Channel); -var _errors = _dereq_(33); + this.chNr = channelNumber; + this.outputFilter = outputFilter; + this.mode = null; + this.verbose = 0; + this.displayedMemory = new CaptionScreen(); + this.nonDisplayedMemory = new CaptionScreen(); + this.lastOutputScreen = new CaptionScreen(); + this.currRollUpRow = this.displayedMemory.rows[NR_ROWS - 1]; + this.writeScreen = this.displayedMemory; + this.mode = null; + this.cueStartTime = null; // Keeps track of where a cue started. + } -function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + Cea608Channel.prototype.reset = function reset() { + this.mode = null; + this.displayedMemory.reset(); + this.nonDisplayedMemory.reset(); + this.lastOutputScreen.reset(); + this.currRollUpRow = this.displayedMemory.rows[NR_ROWS - 1]; + this.writeScreen = this.displayedMemory; + this.mode = null; + this.cueStartTime = null; + this.lastCueEndTime = null; + }; -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + Cea608Channel.prototype.getHandler = function getHandler() { + return this.outputFilter; + }; -// 10 seconds -var MAX_SILENT_FRAME_DURATION = 10 * 1000; + Cea608Channel.prototype.setHandler = function setHandler(newHandler) { + this.outputFilter = newHandler; + }; -var MP4Remuxer = function () { - function MP4Remuxer(observer, config, typeSupported, vendor) { - _classCallCheck(this, MP4Remuxer); + Cea608Channel.prototype.setPAC = function setPAC(pacData) { + this.writeScreen.setPAC(pacData); + }; - this.observer = observer; - this.config = config; - this.typeSupported = typeSupported; - var userAgent = navigator.userAgent; - this.isSafari = vendor && vendor.indexOf('Apple') > -1 && userAgent && !userAgent.match('CriOS'); - this.ISGenerated = false; - } + Cea608Channel.prototype.setBkgData = function setBkgData(bkgData) { + this.writeScreen.setBkgData(bkgData); + }; - _createClass(MP4Remuxer, [{ - key: 'destroy', - value: function destroy() {} - }, { - key: 'resetTimeStamp', - value: function resetTimeStamp(defaultTimeStamp) { - this._initPTS = this._initDTS = defaultTimeStamp; - } - }, { - key: 'resetInitSegment', - value: function resetInitSegment() { - this.ISGenerated = false; - } - }, { - key: 'remux', - value: function remux(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset) { - // generate Init Segment if needed - if (!this.ISGenerated) { - this.generateIS(audioTrack, videoTrack, timeOffset); - } - - if (this.ISGenerated) { - // Purposefully remuxing audio before video, so that remuxVideo can use nextAudioPts, which is - // calculated in remuxAudio. - //logger.log('nb AAC samples:' + audioTrack.samples.length); - if (audioTrack.samples.length) { - // if initSegment was generated without video samples, regenerate it again - if (!audioTrack.timescale) { - _logger.logger.warn('regenerate InitSegment as audio detected'); - this.generateIS(audioTrack, videoTrack, timeOffset); - } - var audioData = this.remuxAudio(audioTrack, timeOffset, contiguous, accurateTimeOffset); - //logger.log('nb AVC samples:' + videoTrack.samples.length); - if (videoTrack.samples.length) { - var audioTrackLength = void 0; - if (audioData) { - audioTrackLength = audioData.endPTS - audioData.startPTS; - } - // if initSegment was generated without video samples, regenerate it again - if (!videoTrack.timescale) { - _logger.logger.warn('regenerate InitSegment as video detected'); - this.generateIS(audioTrack, videoTrack, timeOffset); - } - this.remuxVideo(videoTrack, timeOffset, contiguous, audioTrackLength, accurateTimeOffset); - } - } else { - var videoData = void 0; - //logger.log('nb AVC samples:' + videoTrack.samples.length); - if (videoTrack.samples.length) { - videoData = this.remuxVideo(videoTrack, timeOffset, contiguous, accurateTimeOffset); - } - if (videoData && audioTrack.codec) { - this.remuxEmptyAudio(audioTrack, timeOffset, contiguous, videoData); - } + Cea608Channel.prototype.setMode = function setMode(newMode) { + if (newMode === this.mode) { + return; } - } - //logger.log('nb ID3 samples:' + audioTrack.samples.length); - if (id3Track.samples.length) { - this.remuxID3(id3Track, timeOffset); - } - //logger.log('nb ID3 samples:' + audioTrack.samples.length); - if (textTrack.samples.length) { - this.remuxText(textTrack, timeOffset); - } - //notify end of parsing - this.observer.trigger(_events2.default.FRAG_PARSED); - } - }, { - key: 'generateIS', - value: function generateIS(audioTrack, videoTrack, timeOffset) { - var observer = this.observer, - audioSamples = audioTrack.samples, - videoSamples = videoTrack.samples, - typeSupported = this.typeSupported, - container = 'audio/mp4', - tracks = {}, - data = { tracks: tracks }, - computePTSDTS = this._initPTS === undefined, - initPTS, - initDTS; - - if (computePTSDTS) { - initPTS = initDTS = Infinity; - } - if (audioTrack.config && audioSamples.length) { - // let's use audio sampling rate as MP4 time scale. - // rationale is that there is a integer nb of audio frames per audio sample (1024 for AAC) - // using audio sampling rate here helps having an integer MP4 frame duration - // this avoids potential rounding issue and AV sync issue - audioTrack.timescale = audioTrack.samplerate; - _logger.logger.log('audio sampling rate : ' + audioTrack.samplerate); - if (!audioTrack.isAAC) { - if (typeSupported.mpeg) { - // Chrome and Safari - container = 'audio/mpeg'; - audioTrack.codec = ''; - } else if (typeSupported.mp3) { - // Firefox - audioTrack.codec = 'mp3'; - } + this.mode = newMode; + cea_608_parser_logger.log('INFO', 'MODE=' + newMode); + if (this.mode === 'MODE_POP-ON') { + this.writeScreen = this.nonDisplayedMemory; + } else { + this.writeScreen = this.displayedMemory; + this.writeScreen.reset(); } - tracks.audio = { - container: container, - codec: audioTrack.codec, - initSegment: !audioTrack.isAAC && typeSupported.mpeg ? new Uint8Array() : _mp4Generator2.default.initSegment([audioTrack]), - metadata: { - channelCount: audioTrack.channelCount - } - }; - if (computePTSDTS) { - // remember first PTS of this demuxing context. for audio, PTS = DTS - initPTS = initDTS = audioSamples[0].pts - audioTrack.inputTimeScale * timeOffset; - } - } - - if (videoTrack.sps && videoTrack.pps && videoSamples.length) { - // let's use input time scale as MP4 video timescale - // we use input time scale straight away to avoid rounding issues on frame duration / cts computation - var inputTimeScale = videoTrack.inputTimeScale; - videoTrack.timescale = inputTimeScale; - tracks.video = { - container: 'video/mp4', - codec: videoTrack.codec, - initSegment: _mp4Generator2.default.initSegment([videoTrack]), - metadata: { - width: videoTrack.width, - height: videoTrack.height - } - }; - if (computePTSDTS) { - initPTS = Math.min(initPTS, videoSamples[0].pts - inputTimeScale * timeOffset); - initDTS = Math.min(initDTS, videoSamples[0].dts - inputTimeScale * timeOffset); - this.observer.trigger(_events2.default.INIT_PTS_FOUND, { initPTS: initPTS }); + if (this.mode !== 'MODE_ROLL-UP') { + this.displayedMemory.nrRollUpRows = null; + this.nonDisplayedMemory.nrRollUpRows = null; } - } + this.mode = newMode; + }; - if (Object.keys(tracks).length) { - observer.trigger(_events2.default.FRAG_PARSING_INIT_SEGMENT, data); - this.ISGenerated = true; - if (computePTSDTS) { - this._initPTS = initPTS; - this._initDTS = initDTS; + Cea608Channel.prototype.insertChars = function insertChars(chars) { + for (var i = 0; i < chars.length; i++) { + this.writeScreen.insertChar(chars[i]); } - } else { - observer.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.MEDIA_ERROR, details: _errors.ErrorDetails.FRAG_PARSING_ERROR, fatal: false, reason: 'no audio/video samples found' }); - } - } - }, { - key: 'remuxVideo', - value: function remuxVideo(track, timeOffset, contiguous, audioTrackLength, accurateTimeOffset) { - var offset = 8, - timeScale = track.timescale, - mp4SampleDuration, - mdat, - moof, - firstPTS, - firstDTS, - nextDTS, - lastPTS, - lastDTS, - inputSamples = track.samples, - outputSamples = [], - nbSamples = inputSamples.length, - ptsNormalize = this._PTSNormalize, - initDTS = this._initDTS; - - // for (let i = 0; i < track.samples.length; i++) { - // let avcSample = track.samples[i]; - // let units = avcSample.units; - // let unitsString = ''; - // for (let j = 0; j < units.length ; j++) { - // unitsString += units[j].type + ','; - // if (units[j].data.length < 500) { - // unitsString += Hex.hexDump(units[j].data); - // } - // } - // logger.log(avcSample.pts + '/' + avcSample.dts + ',' + unitsString + avcSample.units.length); - // } - - // if parsed fragment is contiguous with last one, let's use last DTS value as reference - var nextAvcDts = this.nextAvcDts; - - var isSafari = this.isSafari; - - // Safari does not like overlapping DTS on consecutive fragments. let's use nextAvcDts to overcome this if fragments are consecutive - if (isSafari) { - // also consider consecutive fragments as being contiguous (even if a level switch occurs), - // for sake of clarity: - // consecutive fragments are frags with - // - less than 100ms gaps between new time offset (if accurate) and next expected PTS OR - // - less than 200 ms PTS gaps (timeScale/5) - contiguous |= inputSamples.length && nextAvcDts && (accurateTimeOffset && Math.abs(timeOffset - nextAvcDts / timeScale) < 0.1 || Math.abs(inputSamples[0].pts - nextAvcDts - initDTS) < timeScale / 5); - } - - if (!contiguous) { - // if not contiguous, let's use target timeOffset - nextAvcDts = timeOffset * timeScale; - } - - // PTS is coded on 33bits, and can loop from -2^32 to 2^32 - // ptsNormalize will make PTS/DTS value monotonic, we use last known DTS value as reference value - inputSamples.forEach(function (sample) { - sample.pts = ptsNormalize(sample.pts - initDTS, nextAvcDts); - sample.dts = ptsNormalize(sample.dts - initDTS, nextAvcDts); - }); - - // sort video samples by DTS then PTS then demux id order - inputSamples.sort(function (a, b) { - var deltadts = a.dts - b.dts; - var deltapts = a.pts - b.pts; - return deltadts ? deltadts : deltapts ? deltapts : a.id - b.id; - }); - - // handle broken streams with PTS < DTS, tolerance up 200ms (18000 in 90kHz timescale) - var PTSDTSshift = inputSamples.reduce(function (prev, curr) { - return Math.max(Math.min(prev, curr.pts - curr.dts), -18000); - }, 0); - if (PTSDTSshift < 0) { - _logger.logger.warn('PTS < DTS detected in video samples, shifting DTS by ' + Math.round(PTSDTSshift / 90) + ' ms to overcome this issue'); - for (var i = 0; i < inputSamples.length; i++) { - inputSamples[i].dts += PTSDTSshift; - } - } - - // compute first DTS and last DTS, normalize them against reference value - var sample = inputSamples[0]; - firstDTS = Math.max(sample.dts, 0); - firstPTS = Math.max(sample.pts, 0); - - // check timestamp continuity accross consecutive fragments (this is to remove inter-fragment gap/hole) - var delta = Math.round((firstDTS - nextAvcDts) / 90); - // if fragment are contiguous, detect hole/overlapping between fragments - if (contiguous) { - if (delta) { - if (delta > 1) { - _logger.logger.log('AVC:' + delta + ' ms hole between fragments detected,filling it'); - } else if (delta < -1) { - _logger.logger.log('AVC:' + -delta + ' ms overlapping between fragments detected'); - } - // remove hole/gap : set DTS to next expected DTS - firstDTS = nextAvcDts; - inputSamples[0].dts = firstDTS; - // offset PTS as well, ensure that PTS is smaller or equal than new DTS - firstPTS = Math.max(firstPTS - delta, nextAvcDts); - inputSamples[0].pts = firstPTS; - _logger.logger.log('Video/PTS/DTS adjusted: ' + Math.round(firstPTS / 90) + '/' + Math.round(firstDTS / 90) + ',delta:' + delta + ' ms'); + var screen = this.writeScreen === this.displayedMemory ? 'DISP' : 'NON_DISP'; + cea_608_parser_logger.log('INFO', screen + ': ' + this.writeScreen.getDisplayText(true)); + if (this.mode === 'MODE_PAINT-ON' || this.mode === 'MODE_ROLL-UP') { + cea_608_parser_logger.log('TEXT', 'DISPLAYED: ' + this.displayedMemory.getDisplayText(true)); + this.outputDataUpdate(); } - } - nextDTS = firstDTS; + }; - // compute lastPTS/lastDTS - sample = inputSamples[inputSamples.length - 1]; - lastDTS = Math.max(sample.dts, 0); - lastPTS = Math.max(sample.pts, 0, lastDTS); + Cea608Channel.prototype.ccRCL = function ccRCL() { + // Resume Caption Loading (switch mode to Pop On) + cea_608_parser_logger.log('INFO', 'RCL - Resume Caption Loading'); + this.setMode('MODE_POP-ON'); + }; - // on Safari let's signal the same sample duration for all samples - // sample duration (as expected by trun MP4 boxes), should be the delta between sample DTS - // set this constant duration as being the avg delta between consecutive DTS. - if (isSafari) { - mp4SampleDuration = Math.round((lastDTS - firstDTS) / (inputSamples.length - 1)); - } - - var nbNalu = 0, - naluLen = 0; - for (var _i = 0; _i < nbSamples; _i++) { - // compute total/avc sample length and nb of NAL units - var _sample = inputSamples[_i], - units = _sample.units, - nbUnits = units.length, - sampleLen = 0; - for (var j = 0; j < nbUnits; j++) { - sampleLen += units[j].data.length; - } - naluLen += sampleLen; - nbNalu += nbUnits; - _sample.length = sampleLen; - - // normalize PTS/DTS - if (isSafari) { - // sample DTS is computed using a constant decoding offset (mp4SampleDuration) between samples - _sample.dts = firstDTS + _i * mp4SampleDuration; - } else { - // ensure sample monotonic DTS - _sample.dts = Math.max(_sample.dts, firstDTS); + Cea608Channel.prototype.ccBS = function ccBS() { + // BackSpace + cea_608_parser_logger.log('INFO', 'BS - BackSpace'); + if (this.mode === 'MODE_TEXT') { + return; } - // ensure that computed value is greater or equal than sample DTS - _sample.pts = Math.max(_sample.pts, _sample.dts); - } + this.writeScreen.backSpace(); + if (this.writeScreen === this.displayedMemory) { + this.outputDataUpdate(); + } + }; - /* concatenate the video data and construct the mdat in place - (need 8 more bytes to fill length and mpdat type) */ - var mdatSize = naluLen + 4 * nbNalu + 8; - try { - mdat = new Uint8Array(mdatSize); - } catch (err) { - this.observer.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.MUX_ERROR, details: _errors.ErrorDetails.REMUX_ALLOC_ERROR, fatal: false, bytes: mdatSize, reason: 'fail allocating video mdat ' + mdatSize }); + Cea608Channel.prototype.ccAOF = function ccAOF() { + // Reserved (formerly Alarm Off) return; - } - var view = new DataView(mdat.buffer); - view.setUint32(0, mdatSize); - mdat.set(_mp4Generator2.default.types.mdat, 4); - - for (var _i2 = 0; _i2 < nbSamples; _i2++) { - var avcSample = inputSamples[_i2], - avcSampleUnits = avcSample.units, - mp4SampleLength = 0, - compositionTimeOffset = void 0; - // convert NALU bitstream to MP4 format (prepend NALU with size field) - for (var _j = 0, _nbUnits = avcSampleUnits.length; _j < _nbUnits; _j++) { - var unit = avcSampleUnits[_j], - unitData = unit.data, - unitDataLen = unit.data.byteLength; - view.setUint32(offset, unitDataLen); - offset += 4; - mdat.set(unitData, offset); - offset += unitDataLen; - mp4SampleLength += 4 + unitDataLen; - } - - if (!isSafari) { - // expected sample duration is the Decoding Timestamp diff of consecutive samples - if (_i2 < nbSamples - 1) { - mp4SampleDuration = inputSamples[_i2 + 1].dts - avcSample.dts; - } else { - var config = this.config, - lastFrameDuration = avcSample.dts - inputSamples[_i2 > 0 ? _i2 - 1 : _i2].dts; - if (config.stretchShortVideoTrack) { - // In some cases, a segment's audio track duration may exceed the video track duration. - // Since we've already remuxed audio, and we know how long the audio track is, we look to - // see if the delta to the next segment is longer than the minimum of maxBufferHole and - // maxSeekHole. If so, playback would potentially get stuck, so we artificially inflate - // the duration of the last frame to minimize any potential gap between segments. - var maxBufferHole = config.maxBufferHole, - maxSeekHole = config.maxSeekHole, - gapTolerance = Math.floor(Math.min(maxBufferHole, maxSeekHole) * timeScale), - deltaToFrameEnd = (audioTrackLength ? firstPTS + audioTrackLength * timeScale : this.nextAudioPts) - avcSample.pts; - if (deltaToFrameEnd > gapTolerance) { - // We subtract lastFrameDuration from deltaToFrameEnd to try to prevent any video - // frame overlap. maxBufferHole/maxSeekHole should be >> lastFrameDuration anyway. - mp4SampleDuration = deltaToFrameEnd - lastFrameDuration; - if (mp4SampleDuration < 0) { - mp4SampleDuration = lastFrameDuration; - } - _logger.logger.log('It is approximately ' + deltaToFrameEnd / 90 + ' ms to the next segment; using duration ' + mp4SampleDuration / 90 + ' ms for the last video frame.'); - } else { - mp4SampleDuration = lastFrameDuration; - } - } else { - mp4SampleDuration = lastFrameDuration; - } - } - compositionTimeOffset = Math.round(avcSample.pts - avcSample.dts); - } else { - compositionTimeOffset = Math.max(0, mp4SampleDuration * Math.round((avcSample.pts - avcSample.dts) / mp4SampleDuration)); - } - - //console.log('PTS/DTS/initDTS/normPTS/normDTS/relative PTS : ${avcSample.pts}/${avcSample.dts}/${initDTS}/${ptsnorm}/${dtsnorm}/${(avcSample.pts/4294967296).toFixed(3)}'); - outputSamples.push({ - size: mp4SampleLength, - // constant duration - duration: mp4SampleDuration, - cts: compositionTimeOffset, - flags: { - isLeading: 0, - isDependedOn: 0, - hasRedundancy: 0, - degradPrio: 0, - dependsOn: avcSample.key ? 2 : 1, - isNonSync: avcSample.key ? 0 : 1 - } - }); - } - // next AVC sample DTS should be equal to last sample DTS + last sample duration (in PES timescale) - this.nextAvcDts = lastDTS + mp4SampleDuration; - var dropped = track.dropped; - track.len = 0; - track.nbNalu = 0; - track.dropped = 0; - if (outputSamples.length && navigator.userAgent.toLowerCase().indexOf('chrome') > -1) { - var flags = outputSamples[0].flags; - // chrome workaround, mark first sample as being a Random Access Point to avoid sourcebuffer append issue - // https://code.google.com/p/chromium/issues/detail?id=229412 - flags.dependsOn = 2; - flags.isNonSync = 0; - } - track.samples = outputSamples; - moof = _mp4Generator2.default.moof(track.sequenceNumber++, firstDTS, track); - track.samples = []; + }; + + Cea608Channel.prototype.ccAON = function ccAON() { + // Reserved (formerly Alarm On) + return; + }; + + Cea608Channel.prototype.ccDER = function ccDER() { + // Delete to End of Row + cea_608_parser_logger.log('INFO', 'DER- Delete to End of Row'); + this.writeScreen.clearToEndOfRow(); + this.outputDataUpdate(); + }; + + Cea608Channel.prototype.ccRU = function ccRU(nrRows) { + //Roll-Up Captions-2,3,or 4 Rows + cea_608_parser_logger.log('INFO', 'RU(' + nrRows + ') - Roll Up'); + this.writeScreen = this.displayedMemory; + this.setMode('MODE_ROLL-UP'); + this.writeScreen.setRollUpRows(nrRows); + }; - var data = { - data1: moof, - data2: mdat, - startPTS: firstPTS / timeScale, - endPTS: (lastPTS + mp4SampleDuration) / timeScale, - startDTS: firstDTS / timeScale, - endDTS: this.nextAvcDts / timeScale, - type: 'video', - nb: outputSamples.length, - dropped: dropped - }; - this.observer.trigger(_events2.default.FRAG_PARSING_DATA, data); - return data; - } - }, { - key: 'remuxAudio', - value: function remuxAudio(track, timeOffset, contiguous, accurateTimeOffset) { - var inputTimeScale = track.inputTimeScale, - mp4timeScale = track.timescale, - scaleFactor = inputTimeScale / mp4timeScale, - mp4SampleDuration = track.isAAC ? 1024 : 1152, - inputSampleDuration = mp4SampleDuration * scaleFactor, - ptsNormalize = this._PTSNormalize, - initDTS = this._initDTS, - rawMPEG = !track.isAAC && this.typeSupported.mpeg; - - var offset, - mp4Sample, - fillFrame, - mdat, - moof, - firstPTS, - lastPTS, - inputSamples = track.samples, - outputSamples = [], - nextAudioPts = this.nextAudioPts; - - // for audio samples, also consider consecutive fragments as being contiguous (even if a level switch occurs), - // for sake of clarity: - // consecutive fragments are frags with - // - less than 100ms gaps between new time offset (if accurate) and next expected PTS OR - // - less than 20 audio frames distance - // contiguous fragments are consecutive fragments from same quality level (same level, new SN = old SN + 1) - // this helps ensuring audio continuity - // and this also avoids audio glitches/cut when switching quality, or reporting wrong duration on first audio frame - contiguous |= inputSamples.length && nextAudioPts && (accurateTimeOffset && Math.abs(timeOffset - nextAudioPts / inputTimeScale) < 0.1 || Math.abs(inputSamples[0].pts - nextAudioPts - initDTS) < 20 * inputSampleDuration); + Cea608Channel.prototype.ccFON = function ccFON() { + //Flash On + cea_608_parser_logger.log('INFO', 'FON - Flash On'); + this.writeScreen.setPen({ flash: true }); + }; - if (!contiguous) { - // if fragments are not contiguous, let's use timeOffset to compute next Audio PTS - nextAudioPts = timeOffset * inputTimeScale; - } + Cea608Channel.prototype.ccRDC = function ccRDC() { + // Resume Direct Captioning (switch mode to PaintOn) + cea_608_parser_logger.log('INFO', 'RDC - Resume Direct Captioning'); + this.setMode('MODE_PAINT-ON'); + }; - // compute normalized PTS - inputSamples.forEach(function (sample) { - sample.pts = sample.dts = ptsNormalize(sample.pts - initDTS, nextAudioPts); - }); + Cea608Channel.prototype.ccTR = function ccTR() { + // Text Restart in text mode (not supported, however) + cea_608_parser_logger.log('INFO', 'TR'); + this.setMode('MODE_TEXT'); + }; - // sort based on normalized PTS (this is to avoid sorting issues in case timestamp - // reloop in the middle of our samples array) - inputSamples.sort(function (a, b) { - return a.pts - b.pts; - }); + Cea608Channel.prototype.ccRTD = function ccRTD() { + // Resume Text Display in Text mode (not supported, however) + cea_608_parser_logger.log('INFO', 'RTD'); + this.setMode('MODE_TEXT'); + }; - // If the audio track is missing samples, the frames seem to get "left-shifted" within the - // resulting mp4 segment, causing sync issues and leaving gaps at the end of the audio segment. - // In an effort to prevent this from happening, we inject frames here where there are gaps. - // When possible, we inject a silent frame; when that's not possible, we duplicate the last - // frame. - - // only inject/drop audio frames in case time offset is accurate - if (accurateTimeOffset && track.isAAC) { - for (var i = 0, nextPts = nextAudioPts; i < inputSamples.length;) { - // First, let's see how far off this frame is from where we expect it to be - var sample = inputSamples[i], - delta; - var pts = sample.pts; - delta = pts - nextPts; - - var duration = Math.abs(1000 * delta / inputTimeScale); - - // If we're overlapping by more than a duration, drop this sample - if (delta <= -inputSampleDuration) { - _logger.logger.warn('Dropping 1 audio frame @ ' + (nextPts / inputTimeScale).toFixed(3) + 's due to ' + duration + ' ms overlap.'); - inputSamples.splice(i, 1); - track.len -= sample.unit.length; - // Don't touch nextPtsNorm or i - } + Cea608Channel.prototype.ccEDM = function ccEDM() { + // Erase Displayed Memory + cea_608_parser_logger.log('INFO', 'EDM - Erase Displayed Memory'); + this.displayedMemory.reset(); + this.outputDataUpdate(); + }; - // Insert missing frames if: - // 1: We're more than one frame away - // 2: Not more than MAX_SILENT_FRAME_DURATION away - // 3: currentTime (aka nextPtsNorm) is not 0 - else if (delta >= inputSampleDuration && duration < MAX_SILENT_FRAME_DURATION && nextPts) { - var missing = Math.round(delta / inputSampleDuration); - _logger.logger.warn('Injecting ' + missing + ' audio frame @ ' + (nextPts / inputTimeScale).toFixed(3) + 's due to ' + Math.round(1000 * delta / inputTimeScale) + ' ms gap.'); - for (var j = 0; j < missing; j++) { - var newStamp = Math.max(nextPts, 0); - fillFrame = _aac2.default.getSilentFrame(track.manifestCodec || track.codec, track.channelCount); - if (!fillFrame) { - _logger.logger.log('Unable to get silent frame for given audio codec; duplicating last frame instead.'); - fillFrame = sample.unit.subarray(); - } - inputSamples.splice(i, 0, { unit: fillFrame, pts: newStamp, dts: newStamp }); - track.len += fillFrame.length; - nextPts += inputSampleDuration; - i++; - } + Cea608Channel.prototype.ccCR = function ccCR() { + // Carriage Return + cea_608_parser_logger.log('CR - Carriage Return'); + this.writeScreen.rollUp(); + this.outputDataUpdate(); + }; - // Adjust sample to next expected pts - sample.pts = sample.dts = nextPts; - nextPts += inputSampleDuration; - i++; + Cea608Channel.prototype.ccENM = function ccENM() { + //Erase Non-Displayed Memory + cea_608_parser_logger.log('INFO', 'ENM - Erase Non-displayed Memory'); + this.nonDisplayedMemory.reset(); + }; + + Cea608Channel.prototype.ccEOC = function ccEOC() { + //End of Caption (Flip Memories) + cea_608_parser_logger.log('INFO', 'EOC - End Of Caption'); + if (this.mode === 'MODE_POP-ON') { + var tmp = this.displayedMemory; + this.displayedMemory = this.nonDisplayedMemory; + this.nonDisplayedMemory = tmp; + this.writeScreen = this.nonDisplayedMemory; + cea_608_parser_logger.log('TEXT', 'DISP: ' + this.displayedMemory.getDisplayText()); + } + this.outputDataUpdate(); + }; + + Cea608Channel.prototype.ccTO = function ccTO(nrCols) { + // Tab Offset 1,2, or 3 columns + cea_608_parser_logger.log('INFO', 'TO(' + nrCols + ') - Tab Offset'); + this.writeScreen.moveCursor(nrCols); + }; + + Cea608Channel.prototype.ccMIDROW = function ccMIDROW(secondByte) { + // Parse MIDROW command + var styles = { flash: false }; + styles.underline = secondByte % 2 === 1; + styles.italics = secondByte >= 0x2e; + if (!styles.italics) { + var colorIndex = Math.floor(secondByte / 2) - 0x10; + var colors = ['white', 'green', 'blue', 'cyan', 'red', 'yellow', 'magenta']; + styles.foreground = colors[colorIndex]; + } else { + styles.foreground = 'white'; + } + cea_608_parser_logger.log('INFO', 'MIDROW: ' + JSON.stringify(styles)); + this.writeScreen.setPen(styles); + }; + + Cea608Channel.prototype.outputDataUpdate = function outputDataUpdate() { + var t = cea_608_parser_logger.time; + if (t === null) { + return; + } + if (this.outputFilter) { + if (this.outputFilter.updateData) { + this.outputFilter.updateData(t, this.displayedMemory); + } + if (this.cueStartTime === null && !this.displayedMemory.isEmpty()) { + // Start of a new cue + this.cueStartTime = t; } else { - // Otherwise, just adjust pts - if (Math.abs(delta) > 0.1 * inputSampleDuration) { - //logger.log(`Invalid frame delta ${Math.round(delta + inputSampleDuration)} at PTS ${Math.round(pts / 90)} (should be ${Math.round(inputSampleDuration)}).`); - } - sample.pts = sample.dts = nextPts; - nextPts += inputSampleDuration; - i++; + if (!this.displayedMemory.equals(this.lastOutputScreen)) { + if (this.outputFilter.newCue) { + this.outputFilter.newCue(this.cueStartTime, t, this.lastOutputScreen); + } + this.cueStartTime = this.displayedMemory.isEmpty() ? null : t; + } } + this.lastOutputScreen.copy(this.displayedMemory); } - } + }; - for (var _j2 = 0, _nbSamples = inputSamples.length; _j2 < _nbSamples; _j2++) { - var audioSample = inputSamples[_j2]; - var unit = audioSample.unit; - var _pts = audioSample.pts; - //logger.log(`Audio/PTS:${Math.round(pts/90)}`); - // if not first sample - if (lastPTS !== undefined) { - mp4Sample.duration = Math.round((_pts - lastPTS) / scaleFactor); - } else { - var _delta = Math.round(1000 * (_pts - nextAudioPts) / inputTimeScale), - numMissingFrames = 0; - // if fragment are contiguous, detect hole/overlapping between fragments - // contiguous fragments are consecutive fragments from same quality level (same level, new SN = old SN + 1) - if (contiguous && track.isAAC) { - // log delta - if (_delta) { - if (_delta > 0 && _delta < MAX_SILENT_FRAME_DURATION) { - numMissingFrames = Math.round((_pts - nextAudioPts) / inputSampleDuration); - _logger.logger.log(_delta + ' ms hole between AAC samples detected,filling it'); - if (numMissingFrames > 0) { - fillFrame = _aac2.default.getSilentFrame(track.manifestCodec || track.codec, track.channelCount); - if (!fillFrame) { - fillFrame = unit.subarray(); - } - track.len += numMissingFrames * fillFrame.length; + Cea608Channel.prototype.cueSplitAtTime = function cueSplitAtTime(t) { + if (this.outputFilter) { + if (!this.displayedMemory.isEmpty()) { + if (this.outputFilter.newCue) { + this.outputFilter.newCue(this.cueStartTime, t, this.displayedMemory); } - // if we have frame overlap, overlapping for more than half a frame duraion - } else if (_delta < -12) { - // drop overlapping audio frames... browser will deal with it - _logger.logger.log('drop overlapping AAC sample, expected/parsed/delta:' + (nextAudioPts / inputTimeScale).toFixed(3) + 's/' + (_pts / inputTimeScale).toFixed(3) + 's/' + -_delta + 'ms'); - track.len -= unit.byteLength; - continue; - } - // set PTS/DTS to expected PTS/DTS - _pts = nextAudioPts; - } - } - // remember first PTS of our audioSamples, ensure value is positive - firstPTS = Math.max(0, _pts); - if (track.len > 0) { - /* concatenate the audio data and construct the mdat in place - (need 8 more bytes to fill length and mdat type) */ - var mdatSize = rawMPEG ? track.len : track.len + 8; - offset = rawMPEG ? 0 : 8; - try { - mdat = new Uint8Array(mdatSize); - } catch (err) { - this.observer.trigger(_events2.default.ERROR, { type: _errors.ErrorTypes.MUX_ERROR, details: _errors.ErrorDetails.REMUX_ALLOC_ERROR, fatal: false, bytes: mdatSize, reason: 'fail allocating audio mdat ' + mdatSize }); - return; - } - if (!rawMPEG) { - var view = new DataView(mdat.buffer); - view.setUint32(0, mdatSize); - mdat.set(_mp4Generator2.default.types.mdat, 4); - } - } else { - // no audio samples - return; - } - for (var _i3 = 0; _i3 < numMissingFrames; _i3++) { - fillFrame = _aac2.default.getSilentFrame(track.manifestCodec || track.codec, track.channelCount); - if (!fillFrame) { - _logger.logger.log('Unable to get silent frame for given audio codec; duplicating this frame instead.'); - fillFrame = unit.subarray(); + this.cueStartTime = t; } - mdat.set(fillFrame, offset); - offset += fillFrame.byteLength; - mp4Sample = { - size: fillFrame.byteLength, - cts: 0, - duration: 1024, - flags: { - isLeading: 0, - isDependedOn: 0, - hasRedundancy: 0, - degradPrio: 0, - dependsOn: 1 - } - }; - outputSamples.push(mp4Sample); - } } - mdat.set(unit, offset); - var unitLen = unit.byteLength; - offset += unitLen; - //console.log('PTS/DTS/initDTS/normPTS/normDTS/relative PTS : ${audioSample.pts}/${audioSample.dts}/${initDTS}/${ptsnorm}/${dtsnorm}/${(audioSample.pts/4294967296).toFixed(3)}'); - mp4Sample = { - size: unitLen, - cts: 0, - duration: 0, - flags: { - isLeading: 0, - isDependedOn: 0, - hasRedundancy: 0, - degradPrio: 0, - dependsOn: 1 - } - }; - outputSamples.push(mp4Sample); - lastPTS = _pts; - } - var lastSampleDuration = 0; - var nbSamples = outputSamples.length; - //set last sample duration as being identical to previous sample - if (nbSamples >= 2) { - lastSampleDuration = outputSamples[nbSamples - 2].duration; - mp4Sample.duration = lastSampleDuration; - } - if (nbSamples) { - // next audio sample PTS should be equal to last sample PTS + duration - this.nextAudioPts = nextAudioPts = lastPTS + scaleFactor * lastSampleDuration; - //logger.log('Audio/PTS/PTSend:' + audioSample.pts.toFixed(0) + '/' + this.nextAacDts.toFixed(0)); - track.len = 0; - track.samples = outputSamples; - if (rawMPEG) { - moof = new Uint8Array(); - } else { - moof = _mp4Generator2.default.moof(track.sequenceNumber++, firstPTS / scaleFactor, track); - } - track.samples = []; - var start = firstPTS / inputTimeScale; - var end = nextAudioPts / inputTimeScale; - var audioData = { - data1: moof, - data2: mdat, - startPTS: start, - endPTS: end, - startDTS: start, - endDTS: end, - type: 'audio', - nb: nbSamples - }; - this.observer.trigger(_events2.default.FRAG_PARSING_DATA, audioData); - return audioData; - } - return null; - } - }, { - key: 'remuxEmptyAudio', - value: function remuxEmptyAudio(track, timeOffset, contiguous, videoData) { - var inputTimeScale = track.inputTimeScale, - mp4timeScale = track.samplerate ? track.samplerate : inputTimeScale, - scaleFactor = inputTimeScale / mp4timeScale, - nextAudioPts = this.nextAudioPts, + }; + return Cea608Channel; +}(); - // sync with video's timestamp - startDTS = (nextAudioPts !== undefined ? nextAudioPts : videoData.startDTS * inputTimeScale) + this._initDTS, - endDTS = videoData.endDTS * inputTimeScale + this._initDTS, +var Cea608Parser = function () { + function Cea608Parser(field, out1, out2) { + cea_608_parser__classCallCheck(this, Cea608Parser); - // one sample's duration value - sampleDuration = 1024, - frameDuration = scaleFactor * sampleDuration, + this.field = field || 1; + this.outputs = [out1, out2]; + this.channels = [new Cea608Channel(1, out1), new Cea608Channel(2, out2)]; + this.currChNr = -1; // Will be 1 or 2 + this.lastCmdA = null; // First byte of last command + this.lastCmdB = null; // Second byte of last command + this.bufferedData = []; + this.startTime = null; + this.lastTime = null; + this.dataCounters = { 'padding': 0, 'char': 0, 'cmd': 0, 'other': 0 }; + } + Cea608Parser.prototype.getHandler = function getHandler(index) { + return this.channels[index].getHandler(); + }; - // samples count of this segment's duration - nbSamples = Math.ceil((endDTS - startDTS) / frameDuration), + Cea608Parser.prototype.setHandler = function setHandler(index, newHandler) { + this.channels[index].setHandler(newHandler); + }; + /** + * Add data for time t in forms of list of bytes (unsigned ints). The bytes are treated as pairs. + */ - // silent frame - silentFrame = _aac2.default.getSilentFrame(track.manifestCodec || track.codec, track.channelCount); - _logger.logger.warn('remux empty Audio'); - // Can't remux if we can't generate a silent frame... - if (!silentFrame) { - _logger.logger.trace('Unable to remuxEmptyAudio since we were unable to get a silent frame for given audio codec!'); - return; - } + Cea608Parser.prototype.addData = function addData(t, byteList) { + var cmdFound, + a, + b, + charsFound = false; - var samples = []; - for (var i = 0; i < nbSamples; i++) { - var stamp = startDTS + i * frameDuration; - samples.push({ unit: silentFrame, pts: stamp, dts: stamp }); - track.len += silentFrame.length; - } - track.samples = samples; + this.lastTime = t; + cea_608_parser_logger.setTime(t); - this.remuxAudio(track, timeOffset, contiguous); - } - }, { - key: 'remuxID3', - value: function remuxID3(track, timeOffset) { - var length = track.samples.length, - sample; - var inputTimeScale = track.inputTimeScale; - var initPTS = this._initPTS; - var initDTS = this._initDTS; - // consume samples - if (length) { - for (var index = 0; index < length; index++) { - sample = track.samples[index]; - // setting id3 pts, dts to relative time - // using this._initPTS and this._initDTS to calculate relative time - sample.pts = (sample.pts - initPTS) / inputTimeScale; - sample.dts = (sample.dts - initDTS) / inputTimeScale; - } - this.observer.trigger(_events2.default.FRAG_PARSING_METADATA, { - samples: track.samples - }); - } + for (var i = 0; i < byteList.length; i += 2) { + a = byteList[i] & 0x7f; + b = byteList[i + 1] & 0x7f; + if (a === 0 && b === 0) { + this.dataCounters.padding += 2; + continue; + } else { + cea_608_parser_logger.log('DATA', '[' + numArrayToHexArray([byteList[i], byteList[i + 1]]) + '] -> (' + numArrayToHexArray([a, b]) + ')'); + } + cmdFound = this.parseCmd(a, b); + if (!cmdFound) { + cmdFound = this.parseMidrow(a, b); + } + if (!cmdFound) { + cmdFound = this.parsePAC(a, b); + } + if (!cmdFound) { + cmdFound = this.parseBackgroundAttributes(a, b); + } + if (!cmdFound) { + charsFound = this.parseChars(a, b); + if (charsFound) { + if (this.currChNr && this.currChNr >= 0) { + var channel = this.channels[this.currChNr - 1]; + channel.insertChars(charsFound); + } else { + cea_608_parser_logger.log('WARNING', 'No channel found yet. TEXT-MODE?'); + } + } + } + if (cmdFound) { + this.dataCounters.cmd += 2; + } else if (charsFound) { + this.dataCounters.char += 2; + } else { + this.dataCounters.other += 2; + cea_608_parser_logger.log('WARNING', 'Couldn\'t parse cleaned data ' + numArrayToHexArray([a, b]) + ' orig: ' + numArrayToHexArray([byteList[i], byteList[i + 1]])); + } + } + }; - track.samples = []; - timeOffset = timeOffset; - } - }, { - key: 'remuxText', - value: function remuxText(track, timeOffset) { - track.samples.sort(function (a, b) { - return a.pts - b.pts; - }); + /** + * Parse Command. + * @returns {Boolean} Tells if a command was found + */ - var length = track.samples.length, - sample; - var inputTimeScale = track.inputTimeScale; - var initPTS = this._initPTS; - // consume samples - if (length) { - for (var index = 0; index < length; index++) { - sample = track.samples[index]; - // setting text pts, dts to relative time - // using this._initPTS and this._initDTS to calculate relative time - sample.pts = (sample.pts - initPTS) / inputTimeScale; - } - this.observer.trigger(_events2.default.FRAG_PARSING_USERDATA, { - samples: track.samples - }); - } - track.samples = []; - timeOffset = timeOffset; - } - }, { - key: '_PTSNormalize', - value: function _PTSNormalize(value, reference) { - var offset; - if (reference === undefined) { - return value; - } - if (reference < value) { - // - 2^33 - offset = -8589934592; - } else { - // + 2^33 - offset = 8589934592; - } - /* PTS is 33bit (from 0 to 2^33 -1) - if diff between value and reference is bigger than half of the amplitude (2^32) then it means that - PTS looping occured. fill the gap */ - while (Math.abs(value - reference) > 4294967296) { - value += offset; - } - return value; - } - }]); + Cea608Parser.prototype.parseCmd = function parseCmd(a, b) { + var chNr = null; - return MP4Remuxer; -}(); + var cond1 = (a === 0x14 || a === 0x1C) && 0x20 <= b && b <= 0x2F; + var cond2 = (a === 0x17 || a === 0x1F) && 0x21 <= b && b <= 0x23; + if (!(cond1 || cond2)) { + return false; + } -exports.default = MP4Remuxer; + if (a === this.lastCmdA && b === this.lastCmdB) { + this.lastCmdA = null; + this.lastCmdB = null; // Repeated commands are dropped (once) + cea_608_parser_logger.log('DEBUG', 'Repeated command (' + numArrayToHexArray([a, b]) + ') is dropped'); + return true; + } -},{"33":33,"35":35,"36":36,"44":44,"53":53}],46:[function(_dereq_,module,exports){ -'use strict'; + if (a === 0x14 || a === 0x17) { + chNr = 1; + } else { + chNr = 2; // (a === 0x1C || a=== 0x1f) + } + + var channel = this.channels[chNr - 1]; + + if (a === 0x14 || a === 0x1C) { + if (b === 0x20) { + channel.ccRCL(); + } else if (b === 0x21) { + channel.ccBS(); + } else if (b === 0x22) { + channel.ccAOF(); + } else if (b === 0x23) { + channel.ccAON(); + } else if (b === 0x24) { + channel.ccDER(); + } else if (b === 0x25) { + channel.ccRU(2); + } else if (b === 0x26) { + channel.ccRU(3); + } else if (b === 0x27) { + channel.ccRU(4); + } else if (b === 0x28) { + channel.ccFON(); + } else if (b === 0x29) { + channel.ccRDC(); + } else if (b === 0x2A) { + channel.ccTR(); + } else if (b === 0x2B) { + channel.ccRTD(); + } else if (b === 0x2C) { + channel.ccEDM(); + } else if (b === 0x2D) { + channel.ccCR(); + } else if (b === 0x2E) { + channel.ccENM(); + } else if (b === 0x2F) { + channel.ccEOC(); + } + } else { + //a == 0x17 || a == 0x1F + channel.ccTO(b - 0x20); + } + this.lastCmdA = a; + this.lastCmdB = b; + this.currChNr = chNr; + return true; + }; -Object.defineProperty(exports, "__esModule", { - value: true -}); + /** + * Parse midrow styling command + * @returns {Boolean} + */ -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); /** - * passthrough remuxer - */ + Cea608Parser.prototype.parseMidrow = function parseMidrow(a, b) { + var chNr = null; -var _events = _dereq_(35); + if ((a === 0x11 || a === 0x19) && 0x20 <= b && b <= 0x2f) { + if (a === 0x11) { + chNr = 1; + } else { + chNr = 2; + } + if (chNr !== this.currChNr) { + cea_608_parser_logger.log('ERROR', 'Mismatch channel in midrow parsing'); + return false; + } + var channel = this.channels[chNr - 1]; + channel.ccMIDROW(b); + cea_608_parser_logger.log('DEBUG', 'MIDROW (' + numArrayToHexArray([a, b]) + ')'); + return true; + } + return false; + }; + /** + * Parse Preable Access Codes (Table 53). + * @returns {Boolean} Tells if PAC found + */ -var _events2 = _interopRequireDefault(_events); -function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + Cea608Parser.prototype.parsePAC = function parsePAC(a, b) { -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + var chNr = null; + var row = null; -var PassThroughRemuxer = function () { - function PassThroughRemuxer(observer) { - _classCallCheck(this, PassThroughRemuxer); + var case1 = (0x11 <= a && a <= 0x17 || 0x19 <= a && a <= 0x1F) && 0x40 <= b && b <= 0x7F; + var case2 = (a === 0x10 || a === 0x18) && 0x40 <= b && b <= 0x5F; + if (!(case1 || case2)) { + return false; + } - this.observer = observer; - } + if (a === this.lastCmdA && b === this.lastCmdB) { + this.lastCmdA = null; + this.lastCmdB = null; + return true; // Repeated commands are dropped (once) + } - _createClass(PassThroughRemuxer, [{ - key: 'destroy', - value: function destroy() {} - }, { - key: 'resetTimeStamp', - value: function resetTimeStamp() {} - }, { - key: 'resetInitSegment', - value: function resetInitSegment() {} - }, { - key: 'remux', - value: function remux(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset, rawData) { - var observer = this.observer; - var streamType = ''; - if (audioTrack) { - streamType += 'audio'; - } - if (videoTrack) { - streamType += 'video'; - } - observer.trigger(_events2.default.FRAG_PARSING_DATA, { - data1: rawData, - startPTS: timeOffset, - startDTS: timeOffset, - type: streamType, - nb: 1, - dropped: 0 - }); - //notify end of parsing - observer.trigger(_events2.default.FRAG_PARSED); - } - }]); + chNr = a <= 0x17 ? 1 : 2; - return PassThroughRemuxer; -}(); + if (0x40 <= b && b <= 0x5F) { + row = chNr === 1 ? rowsLowCh1[a] : rowsLowCh2[a]; + } else { + // 0x60 <= b <= 0x7F + row = chNr === 1 ? rowsHighCh1[a] : rowsHighCh2[a]; + } + var pacData = this.interpretPAC(row, b); + var channel = this.channels[chNr - 1]; + channel.setPAC(pacData); + this.lastCmdA = a; + this.lastCmdB = b; + this.currChNr = chNr; + return true; + }; -exports.default = PassThroughRemuxer; + /** + * Interpret the second byte of the pac, and return the information. + * @returns {Object} pacData with style parameters. + */ -},{"35":35}],47:[function(_dereq_,module,exports){ -'use strict'; -Object.defineProperty(exports, "__esModule", { - value: true -}); + Cea608Parser.prototype.interpretPAC = function interpretPAC(row, byte) { + var pacIndex = byte; + var pacData = { color: null, italics: false, indent: null, underline: false, row: row }; -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); + if (byte > 0x5F) { + pacIndex = byte - 0x60; + } else { + pacIndex = byte - 0x40; + } + pacData.underline = (pacIndex & 1) === 1; + if (pacIndex <= 0xd) { + pacData.color = ['white', 'green', 'blue', 'cyan', 'red', 'yellow', 'magenta', 'white'][Math.floor(pacIndex / 2)]; + } else if (pacIndex <= 0xf) { + pacData.italics = true; + pacData.color = 'white'; + } else { + pacData.indent = Math.floor((pacIndex - 0x10) / 2) * 4; + } + return pacData; // Note that row has zero offset. The spec uses 1. + }; -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + /** + * Parse characters. + * @returns An array with 1 to 2 codes corresponding to chars, if found. null otherwise. + */ -var DECIMAL_RESOLUTION_REGEX = /^(\d+)x(\d+)$/; -var ATTR_LIST_REGEX = /\s*(.+?)\s*=((?:\".*?\")|.*?)(?:,|$)/g; -// adapted from https://github.com/kanongil/node-m3u8parse/blob/master/attrlist.js + Cea608Parser.prototype.parseChars = function parseChars(a, b) { -var AttrList = function () { - function AttrList(attrs) { - _classCallCheck(this, AttrList); + var channelNr = null, + charCodes = null, + charCode1 = null; - if (typeof attrs === 'string') { - attrs = AttrList.parseAttrList(attrs); - } - for (var attr in attrs) { - if (attrs.hasOwnProperty(attr)) { - this[attr] = attrs[attr]; - } - } - } + if (a >= 0x19) { + channelNr = 2; + charCode1 = a - 8; + } else { + channelNr = 1; + charCode1 = a; + } + if (0x11 <= charCode1 && charCode1 <= 0x13) { + // Special character + var oneCode = b; + if (charCode1 === 0x11) { + oneCode = b + 0x50; + } else if (charCode1 === 0x12) { + oneCode = b + 0x70; + } else { + oneCode = b + 0x90; + } + cea_608_parser_logger.log('INFO', 'Special char \'' + getCharForByte(oneCode) + '\' in channel ' + channelNr); + charCodes = [oneCode]; + } else if (0x20 <= a && a <= 0x7f) { + charCodes = b === 0 ? [a] : [a, b]; + } + if (charCodes) { + var hexCodes = numArrayToHexArray(charCodes); + cea_608_parser_logger.log('DEBUG', 'Char codes = ' + hexCodes.join(',')); + this.lastCmdA = null; + this.lastCmdB = null; + } + return charCodes; + }; - _createClass(AttrList, [{ - key: 'decimalInteger', - value: function decimalInteger(attrName) { - var intValue = parseInt(this[attrName], 10); - if (intValue > Number.MAX_SAFE_INTEGER) { - return Infinity; - } - return intValue; - } - }, { - key: 'hexadecimalInteger', - value: function hexadecimalInteger(attrName) { - if (this[attrName]) { - var stringValue = (this[attrName] || '0x').slice(2); - stringValue = (stringValue.length & 1 ? '0' : '') + stringValue; + /** + * Parse extended background attributes as well as new foreground color black. + * @returns{Boolean} Tells if background attributes are found + */ - var value = new Uint8Array(stringValue.length / 2); - for (var i = 0; i < stringValue.length / 2; i++) { - value[i] = parseInt(stringValue.slice(i * 2, i * 2 + 2), 16); - } - return value; - } else { - return null; - } - } - }, { - key: 'hexadecimalIntegerAsNumber', - value: function hexadecimalIntegerAsNumber(attrName) { - var intValue = parseInt(this[attrName], 16); - if (intValue > Number.MAX_SAFE_INTEGER) { - return Infinity; - } - return intValue; - } - }, { - key: 'decimalFloatingPoint', - value: function decimalFloatingPoint(attrName) { - return parseFloat(this[attrName]); - } - }, { - key: 'enumeratedString', - value: function enumeratedString(attrName) { - return this[attrName]; - } - }, { - key: 'decimalResolution', - value: function decimalResolution(attrName) { - var res = DECIMAL_RESOLUTION_REGEX.exec(this[attrName]); - if (res === null) { - return undefined; - } - return { - width: parseInt(res[1], 10), - height: parseInt(res[2], 10) - }; - } - }], [{ - key: 'parseAttrList', - value: function parseAttrList(input) { - var match, - attrs = {}; - ATTR_LIST_REGEX.lastIndex = 0; - while ((match = ATTR_LIST_REGEX.exec(input)) !== null) { - var value = match[2], - quote = '"'; - if (value.indexOf(quote) === 0 && value.lastIndexOf(quote) === value.length - 1) { - value = value.slice(1, -1); + Cea608Parser.prototype.parseBackgroundAttributes = function parseBackgroundAttributes(a, b) { + var bkgData, index, chNr, channel; + + var case1 = (a === 0x10 || a === 0x18) && 0x20 <= b && b <= 0x2f; + var case2 = (a === 0x17 || a === 0x1f) && 0x2d <= b && b <= 0x2f; + if (!(case1 || case2)) { + return false; } - attrs[match[1]] = value; - } - return attrs; - } - }]); + bkgData = {}; + if (a === 0x10 || a === 0x18) { + index = Math.floor((b - 0x20) / 2); + bkgData.background = backgroundColors[index]; + if (b % 2 === 1) { + bkgData.background = bkgData.background + '_semi'; + } + } else if (b === 0x2d) { + bkgData.background = 'transparent'; + } else { + bkgData.foreground = 'black'; + if (b === 0x2f) { + bkgData.underline = true; + } + } + chNr = a < 0x18 ? 1 : 2; + channel = this.channels[chNr - 1]; + channel.setBkgData(bkgData); + this.lastCmdA = null; + this.lastCmdB = null; + return true; + }; - return AttrList; -}(); + /** + * Reset state of parser and its channels. + */ -exports.default = AttrList; -},{}],48:[function(_dereq_,module,exports){ -"use strict"; + Cea608Parser.prototype.reset = function reset() { + for (var i = 0; i < this.channels.length; i++) { + if (this.channels[i]) { + this.channels[i].reset(); + } + } + this.lastCmdA = null; + this.lastCmdB = null; + }; -var BinarySearch = { /** - * Searches for an item in an array which matches a certain condition. - * This requires the condition to only match one item in the array, - * and for the array to be ordered. - * - * @param {Array} list The array to search. - * @param {Function} comparisonFunction - * Called and provided a candidate item as the first argument. - * Should return: - * > -1 if the item should be located at a lower index than the provided item. - * > 1 if the item should be located at a higher index than the provided item. - * > 0 if the item is the item you're looking for. - * - * @return {*} The object if it is found or null otherwise. + * Trigger the generation of a cue, and the start of a new one if displayScreens are not empty. */ - search: function search(list, comparisonFunction) { - var minIndex = 0; - var maxIndex = list.length - 1; - var currentIndex = null; - var currentElement = null; - while (minIndex <= maxIndex) { - currentIndex = (minIndex + maxIndex) / 2 | 0; - currentElement = list[currentIndex]; - var comparisonResult = comparisonFunction(currentElement); - if (comparisonResult > 0) { - minIndex = currentIndex + 1; - } else if (comparisonResult < 0) { - maxIndex = currentIndex - 1; - } else { - return currentElement; + Cea608Parser.prototype.cueSplitAtTime = function cueSplitAtTime(t) { + for (var i = 0; i < this.channels.length; i++) { + if (this.channels[i]) { + this.channels[i].cueSplitAtTime(t); } } + }; - return null; - } -}; + return Cea608Parser; +}(); -module.exports = BinarySearch; +/* harmony default export */ var cea_608_parser = (Cea608Parser); +// CONCATENATED MODULE: ./src/utils/webvtt-parser.js -},{}],49:[function(_dereq_,module,exports){ -'use strict'; -Object.defineProperty(exports, "__esModule", { - value: true -}); +// String.prototype.startsWith is not supported in IE11 +var startsWith = function startsWith(inputString, searchString, position) { + return inputString.substr(position || 0, searchString.length) === searchString; +}; -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); +var cueString2millis = function cueString2millis(timeString) { + var ts = parseInt(timeString.substr(-3)); + var secs = parseInt(timeString.substr(-6, 2)); + var mins = parseInt(timeString.substr(-9, 2)); + var hours = timeString.length > 9 ? parseInt(timeString.substr(0, timeString.indexOf(':'))) : 0; -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + if (isNaN(ts) || isNaN(secs) || isNaN(mins) || isNaN(hours)) { + return -1; + } -/** - * - * This code was ported from the dash.js project at: - * https://github.com/Dash-Industry-Forum/dash.js/blob/development/externals/cea608-parser.js - * https://github.com/Dash-Industry-Forum/dash.js/commit/8269b26a761e0853bb21d78780ed945144ecdd4d#diff-71bc295a2d6b6b7093a1d3290d53a4b2 - * - * The original copyright appears below: - * - * The copyright in this software is being made available under the BSD License, - * included below. This software may be subject to other third party and contributor - * rights, including patent rights, and no such rights are granted under this license. - * - * Copyright (c) 2015-2016, DASH Industry Forum. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * 1. Redistributions of source code must retain the above copyright notice, this - * list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation and/or - * other materials provided with the distribution. - * 2. Neither the name of Dash Industry Forum nor the names of its - * contributors may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, - * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ -/** - * Exceptions from regular ASCII. CodePoints are mapped to UTF-16 codes - */ + ts += 1000 * secs; + ts += 60 * 1000 * mins; + ts += 60 * 60 * 1000 * hours; -var specialCea608CharsCodes = { - 0x2a: 0xe1, // lowercase a, acute accent - 0x5c: 0xe9, // lowercase e, acute accent - 0x5e: 0xed, // lowercase i, acute accent - 0x5f: 0xf3, // lowercase o, acute accent - 0x60: 0xfa, // lowercase u, acute accent - 0x7b: 0xe7, // lowercase c with cedilla - 0x7c: 0xf7, // division symbol - 0x7d: 0xd1, // uppercase N tilde - 0x7e: 0xf1, // lowercase n tilde - 0x7f: 0x2588, // Full block - // THIS BLOCK INCLUDES THE 16 EXTENDED (TWO-BYTE) LINE 21 CHARACTERS - // THAT COME FROM HI BYTE=0x11 AND LOW BETWEEN 0x30 AND 0x3F - // THIS MEANS THAT \x50 MUST BE ADDED TO THE VALUES - 0x80: 0xae, // Registered symbol (R) - 0x81: 0xb0, // degree sign - 0x82: 0xbd, // 1/2 symbol - 0x83: 0xbf, // Inverted (open) question mark - 0x84: 0x2122, // Trademark symbol (TM) - 0x85: 0xa2, // Cents symbol - 0x86: 0xa3, // Pounds sterling - 0x87: 0x266a, // Music 8'th note - 0x88: 0xe0, // lowercase a, grave accent - 0x89: 0x20, // transparent space (regular) - 0x8a: 0xe8, // lowercase e, grave accent - 0x8b: 0xe2, // lowercase a, circumflex accent - 0x8c: 0xea, // lowercase e, circumflex accent - 0x8d: 0xee, // lowercase i, circumflex accent - 0x8e: 0xf4, // lowercase o, circumflex accent - 0x8f: 0xfb, // lowercase u, circumflex accent - // THIS BLOCK INCLUDES THE 32 EXTENDED (TWO-BYTE) LINE 21 CHARACTERS - // THAT COME FROM HI BYTE=0x12 AND LOW BETWEEN 0x20 AND 0x3F - 0x90: 0xc1, // capital letter A with acute - 0x91: 0xc9, // capital letter E with acute - 0x92: 0xd3, // capital letter O with acute - 0x93: 0xda, // capital letter U with acute - 0x94: 0xdc, // capital letter U with diaresis - 0x95: 0xfc, // lowercase letter U with diaeresis - 0x96: 0x2018, // opening single quote - 0x97: 0xa1, // inverted exclamation mark - 0x98: 0x2a, // asterisk - 0x99: 0x2019, // closing single quote - 0x9a: 0x2501, // box drawings heavy horizontal - 0x9b: 0xa9, // copyright sign - 0x9c: 0x2120, // Service mark - 0x9d: 0x2022, // (round) bullet - 0x9e: 0x201c, // Left double quotation mark - 0x9f: 0x201d, // Right double quotation mark - 0xa0: 0xc0, // uppercase A, grave accent - 0xa1: 0xc2, // uppercase A, circumflex - 0xa2: 0xc7, // uppercase C with cedilla - 0xa3: 0xc8, // uppercase E, grave accent - 0xa4: 0xca, // uppercase E, circumflex - 0xa5: 0xcb, // capital letter E with diaresis - 0xa6: 0xeb, // lowercase letter e with diaresis - 0xa7: 0xce, // uppercase I, circumflex - 0xa8: 0xcf, // uppercase I, with diaresis - 0xa9: 0xef, // lowercase i, with diaresis - 0xaa: 0xd4, // uppercase O, circumflex - 0xab: 0xd9, // uppercase U, grave accent - 0xac: 0xf9, // lowercase u, grave accent - 0xad: 0xdb, // uppercase U, circumflex - 0xae: 0xab, // left-pointing double angle quotation mark - 0xaf: 0xbb, // right-pointing double angle quotation mark - // THIS BLOCK INCLUDES THE 32 EXTENDED (TWO-BYTE) LINE 21 CHARACTERS - // THAT COME FROM HI BYTE=0x13 AND LOW BETWEEN 0x20 AND 0x3F - 0xb0: 0xc3, // Uppercase A, tilde - 0xb1: 0xe3, // Lowercase a, tilde - 0xb2: 0xcd, // Uppercase I, acute accent - 0xb3: 0xcc, // Uppercase I, grave accent - 0xb4: 0xec, // Lowercase i, grave accent - 0xb5: 0xd2, // Uppercase O, grave accent - 0xb6: 0xf2, // Lowercase o, grave accent - 0xb7: 0xd5, // Uppercase O, tilde - 0xb8: 0xf5, // Lowercase o, tilde - 0xb9: 0x7b, // Open curly brace - 0xba: 0x7d, // Closing curly brace - 0xbb: 0x5c, // Backslash - 0xbc: 0x5e, // Caret - 0xbd: 0x5f, // Underscore - 0xbe: 0x7c, // Pipe (vertical line) - 0xbf: 0x223c, // Tilde operator - 0xc0: 0xc4, // Uppercase A, umlaut - 0xc1: 0xe4, // Lowercase A, umlaut - 0xc2: 0xd6, // Uppercase O, umlaut - 0xc3: 0xf6, // Lowercase o, umlaut - 0xc4: 0xdf, // Esszett (sharp S) - 0xc5: 0xa5, // Yen symbol - 0xc6: 0xa4, // Generic currency sign - 0xc7: 0x2503, // Box drawings heavy vertical - 0xc8: 0xc5, // Uppercase A, ring - 0xc9: 0xe5, // Lowercase A, ring - 0xca: 0xd8, // Uppercase O, stroke - 0xcb: 0xf8, // Lowercase o, strok - 0xcc: 0x250f, // Box drawings heavy down and right - 0xcd: 0x2513, // Box drawings heavy down and left - 0xce: 0x2517, // Box drawings heavy up and right - 0xcf: 0x251b // Box drawings heavy up and left + return ts; }; -/** - * Utils - */ -var getCharForByte = function getCharForByte(byte) { - var charCode = byte; - if (specialCea608CharsCodes.hasOwnProperty(byte)) { - charCode = specialCea608CharsCodes[byte]; +// From https://github.com/darkskyapp/string-hash +var hash = function hash(text) { + var hash = 5381; + var i = text.length; + while (i) { + hash = hash * 33 ^ text.charCodeAt(--i); } - return String.fromCharCode(charCode); + return (hash >>> 0).toString(); }; -var NR_ROWS = 15, - NR_COLS = 100; -// Tables to look up row from PAC data -var rowsLowCh1 = { 0x11: 1, 0x12: 3, 0x15: 5, 0x16: 7, 0x17: 9, 0x10: 11, 0x13: 12, 0x14: 14 }; -var rowsHighCh1 = { 0x11: 2, 0x12: 4, 0x15: 6, 0x16: 8, 0x17: 10, 0x13: 13, 0x14: 15 }; -var rowsLowCh2 = { 0x19: 1, 0x1A: 3, 0x1D: 5, 0x1E: 7, 0x1F: 9, 0x18: 11, 0x1B: 12, 0x1C: 14 }; -var rowsHighCh2 = { 0x19: 2, 0x1A: 4, 0x1D: 6, 0x1E: 8, 0x1F: 10, 0x1B: 13, 0x1C: 15 }; - -var backgroundColors = ['white', 'green', 'blue', 'cyan', 'red', 'yellow', 'magenta', 'black', 'transparent']; +var calculateOffset = function calculateOffset(vttCCs, cc, presentationTime) { + var currCC = vttCCs[cc]; + var prevCC = vttCCs[currCC.prevCC]; -/** - * Simple logger class to be able to write with time-stamps and filter on level. - */ -var logger = { - verboseFilter: { 'DATA': 3, 'DEBUG': 3, 'INFO': 2, 'WARNING': 2, 'TEXT': 1, 'ERROR': 0 }, - time: null, - verboseLevel: 0, // Only write errors - setTime: function setTime(newTime) { - this.time = newTime; - }, - log: function log(severity, msg) { - var minLevel = this.verboseFilter[severity]; - if (this.verboseLevel >= minLevel) { - console.log(this.time + ' [' + severity + '] ' + msg); - } + // This is the first discontinuity or cues have been processed since the last discontinuity + // Offset = current discontinuity time + if (!prevCC || !prevCC.new && currCC.new) { + vttCCs.ccOffset = vttCCs.presentationOffset = currCC.start; + currCC.new = false; + return; } -}; -var numArrayToHexArray = function numArrayToHexArray(numArray) { - var hexArray = []; - for (var j = 0; j < numArray.length; j++) { - hexArray.push(numArray[j].toString(16)); + // There have been discontinuities since cues were last parsed. + // Offset = time elapsed + while (prevCC && prevCC.new) { + vttCCs.ccOffset += currCC.start - prevCC.start; + currCC.new = false; + currCC = prevCC; + prevCC = vttCCs[currCC.prevCC]; } - return hexArray; + + vttCCs.presentationOffset = presentationTime; }; -var PenState = function () { - function PenState(foreground, underline, italics, background, flash) { - _classCallCheck(this, PenState); +var WebVTTParser = { + parse: function parse(vttByteArray, syncPTS, vttCCs, cc, callBack, errorCallBack) { + // Convert byteArray into string, replacing any somewhat exotic linefeeds with "\n", then split on that character. + var re = /\r\n|\n\r|\n|\r/g; + var vttLines = new Uint8Array(vttByteArray).reduce(function (raw, vttByte) { + return raw + String.fromCharCode(vttByte); + }, '').trim().replace(re, '\n').split('\n'); - this.foreground = foreground || 'white'; - this.underline = underline || false; - this.italics = italics || false; - this.background = background || 'black'; - this.flash = flash || false; - } + var cueTime = '00:00.000'; + var mpegTs = 0; + var localTime = 0; + var presentationTime = 0; + var cues = []; + var parsingError = void 0; + var inHeader = true; + // let VTTCue = VTTCue || window.TextTrackCue; + + // Create parser object using VTTCue with TextTrackCue fallback on certain browsers. + var parser = new vttparser(); + + parser.oncue = function (cue) { + // Adjust cue timing; clamp cues to start no earlier than - and drop cues that don't end after - 0 on timeline. + var currCC = vttCCs[cc]; + var cueOffset = vttCCs.ccOffset; - _createClass(PenState, [{ - key: 'reset', - value: function reset() { - this.foreground = 'white'; - this.underline = false; - this.italics = false; - this.background = 'black'; - this.flash = false; - } - }, { - key: 'setStyles', - value: function setStyles(styles) { - var attribs = ['foreground', 'underline', 'italics', 'background', 'flash']; - for (var i = 0; i < attribs.length; i++) { - var style = attribs[i]; - if (styles.hasOwnProperty(style)) { - this[style] = styles[style]; + // Update offsets for new discontinuities + if (currCC && currCC.new) { + if (localTime !== undefined) { + // When local time is provided, offset = discontinuity start time - local time + cueOffset = vttCCs.ccOffset = currCC.start; + } else { + calculateOffset(vttCCs, cc, presentationTime); } } - } - }, { - key: 'isDefault', - value: function isDefault() { - return this.foreground === 'white' && !this.underline && !this.italics && this.background === 'black' && !this.flash; - } - }, { - key: 'equals', - value: function equals(other) { - return this.foreground === other.foreground && this.underline === other.underline && this.italics === other.italics && this.background === other.background && this.flash === other.flash; - } - }, { - key: 'copy', - value: function copy(newPenState) { - this.foreground = newPenState.foreground; - this.underline = newPenState.underline; - this.italics = newPenState.italics; - this.background = newPenState.background; - this.flash = newPenState.flash; - } - }, { - key: 'toString', - value: function toString() { - return 'color=' + this.foreground + ', underline=' + this.underline + ', italics=' + this.italics + ', background=' + this.background + ', flash=' + this.flash; - } - }]); - return PenState; -}(); + if (presentationTime) { + // If we have MPEGTS, offset = presentation time + discontinuity offset + cueOffset = presentationTime + vttCCs.ccOffset - vttCCs.presentationOffset; + } -/** - * Unicode character with styling and background. - * @constructor - */ + cue.startTime += cueOffset - localTime; + cue.endTime += cueOffset - localTime; + // Create a unique hash id for a cue based on start/end times and text. + // This helps timeline-controller to avoid showing repeated captions. + cue.id = hash(cue.startTime) + hash(cue.endTime) + hash(cue.text); -var StyledUnicodeChar = function () { - function StyledUnicodeChar(uchar, foreground, underline, italics, background, flash) { - _classCallCheck(this, StyledUnicodeChar); + // Fix encoding of special characters. TODO: Test with all sorts of weird characters. + cue.text = decodeURIComponent(escape(cue.text)); + if (cue.endTime > 0) { + cues.push(cue); + } + }; - this.uchar = uchar || ' '; // unicode character - this.penState = new PenState(foreground, underline, italics, background, flash); + parser.onparsingerror = function (e) { + parsingError = e; + }; + + parser.onflush = function () { + if (parsingError && errorCallBack) { + errorCallBack(parsingError); + return; + } + callBack(cues); + }; + + // Go through contents line by line. + vttLines.forEach(function (line) { + if (inHeader) { + // Look for X-TIMESTAMP-MAP in header. + if (startsWith(line, 'X-TIMESTAMP-MAP=')) { + // Once found, no more are allowed anyway, so stop searching. + inHeader = false; + // Extract LOCAL and MPEGTS. + line.substr(16).split(',').forEach(function (timestamp) { + if (startsWith(timestamp, 'LOCAL:')) { + cueTime = timestamp.substr(6); + } else if (startsWith(timestamp, 'MPEGTS:')) { + mpegTs = parseInt(timestamp.substr(7)); + } + }); + try { + // Calculate subtitle offset in milliseconds. + // If sync PTS is less than zero, we have a 33-bit wraparound, which is fixed by adding 2^33 = 8589934592. + syncPTS = syncPTS < 0 ? syncPTS + 8589934592 : syncPTS; + // Adjust MPEGTS by sync PTS. + mpegTs -= syncPTS; + // Convert cue time to seconds + localTime = cueString2millis(cueTime) / 1000; + // Convert MPEGTS to seconds from 90kHz. + presentationTime = mpegTs / 90000; + + if (localTime === -1) { + parsingError = new Error('Malformed X-TIMESTAMP-MAP: ' + line); + } + } catch (e) { + parsingError = new Error('Malformed X-TIMESTAMP-MAP: ' + line); + } + // Return without parsing X-TIMESTAMP-MAP line. + return; + } else if (line === '') { + inHeader = false; + } + } + // Parse line by default. + parser.parse(line + '\n'); + }); + + parser.flush(); } +}; - _createClass(StyledUnicodeChar, [{ - key: 'reset', - value: function reset() { - this.uchar = ' '; - this.penState.reset(); - } - }, { - key: 'setChar', - value: function setChar(uchar, newPenState) { - this.uchar = uchar; - this.penState.copy(newPenState); - } - }, { - key: 'setPenState', - value: function setPenState(newPenState) { - this.penState.copy(newPenState); - } - }, { - key: 'equals', - value: function equals(other) { - return this.uchar === other.uchar && this.penState.equals(other.penState); - } - }, { - key: 'copy', - value: function copy(newChar) { - this.uchar = newChar.uchar; - this.penState.copy(newChar.penState); - } - }, { - key: 'isEmpty', - value: function isEmpty() { - return this.uchar === ' ' && this.penState.isDefault(); - } - }]); +/* harmony default export */ var webvtt_parser = (WebVTTParser); +// CONCATENATED MODULE: ./src/controller/timeline-controller.js +function timeline_controller__classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } - return StyledUnicodeChar; -}(); +function timeline_controller__possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; } -/** - * CEA-608 row consisting of NR_COLS instances of StyledUnicodeChar. - * @constructor - */ +function timeline_controller__inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } +/* + * Timeline Controller +*/ -var Row = function () { - function Row() { - _classCallCheck(this, Row); - this.chars = []; - for (var i = 0; i < NR_COLS; i++) { - this.chars.push(new StyledUnicodeChar()); - } - this.pos = 0; - this.currPenState = new PenState(); - } - _createClass(Row, [{ - key: 'equals', - value: function equals(other) { - var equal = true; - for (var i = 0; i < NR_COLS; i++) { - if (!this.chars[i].equals(other.chars[i])) { - equal = false; - break; - } - } - return equal; - } - }, { - key: 'copy', - value: function copy(other) { - for (var i = 0; i < NR_COLS; i++) { - this.chars[i].copy(other.chars[i]); - } - } - }, { - key: 'isEmpty', - value: function isEmpty() { - var empty = true; - for (var i = 0; i < NR_COLS; i++) { - if (!this.chars[i].isEmpty()) { - empty = false; - break; - } - } - return empty; - } - /** - * Set the cursor to a valid column. - */ - }, { - key: 'setCursor', - value: function setCursor(absPos) { - if (this.pos !== absPos) { - this.pos = absPos; - } - if (this.pos < 0) { - logger.log('ERROR', 'Negative cursor position ' + this.pos); - this.pos = 0; - } else if (this.pos > NR_COLS) { - logger.log('ERROR', 'Too large cursor position ' + this.pos); - this.pos = NR_COLS; - } - } - /** - * Move the cursor relative to current position. - */ - }, { - key: 'moveCursor', - value: function moveCursor(relPos) { - var newPos = this.pos + relPos; - if (relPos > 1) { - for (var i = this.pos + 1; i < newPos + 1; i++) { - this.chars[i].setPenState(this.currPenState); - } - } - this.setCursor(newPos); - } +function clearCurrentCues(track) { + if (track && track.cues) { + while (track.cues.length > 0) { + track.removeCue(track.cues[0]); + } + } +} - /** - * Backspace, move one step back and clear character. - */ +function reuseVttTextTrack(inUseTrack, manifestTrack) { + return inUseTrack && inUseTrack.label === manifestTrack.name && !(inUseTrack.textTrack1 || inUseTrack.textTrack2); +} - }, { - key: 'backSpace', - value: function backSpace() { - this.moveCursor(-1); - this.chars[this.pos].setChar(' ', this.currPenState); - } - }, { - key: 'insertChar', - value: function insertChar(byte) { - if (byte >= 0x90) { - //Extended char - this.backSpace(); - } - var char = getCharForByte(byte); - if (this.pos >= NR_COLS) { - logger.log('ERROR', 'Cannot insert ' + byte.toString(16) + ' (' + char + ') at position ' + this.pos + '. Skipping it!'); - return; - } - this.chars[this.pos].setChar(char, this.currPenState); - this.moveCursor(1); - } - }, { - key: 'clearFromPos', - value: function clearFromPos(startPos) { - var i; - for (i = startPos; i < NR_COLS; i++) { - this.chars[i].reset(); - } - } - }, { - key: 'clear', - value: function clear() { - this.clearFromPos(0); - this.pos = 0; - this.currPenState.reset(); - } - }, { - key: 'clearToEndOfRow', - value: function clearToEndOfRow() { - this.clearFromPos(this.pos); - } - }, { - key: 'getTextString', - value: function getTextString() { - var chars = []; - var empty = true; - for (var i = 0; i < NR_COLS; i++) { - var char = this.chars[i].uchar; - if (char !== ' ') { - empty = false; - } - chars.push(char); - } - if (empty) { - return ''; - } else { - return chars.join(''); - } - } - }, { - key: 'setPenStyles', - value: function setPenStyles(styles) { - this.currPenState.setStyles(styles); - var currChar = this.chars[this.pos]; - currChar.setPenState(this.currPenState); - } - }]); +function intersection(x1, x2, y1, y2) { + return Math.min(x2, y2) - Math.max(x1, y1); +} - return Row; -}(); +var timeline_controller_TimelineController = function (_EventHandler) { + timeline_controller__inherits(TimelineController, _EventHandler); -/** - * Keep a CEA-608 screen of 32x15 styled characters - * @constructor -*/ + function TimelineController(hls) { + timeline_controller__classCallCheck(this, TimelineController); + var _this = timeline_controller__possibleConstructorReturn(this, _EventHandler.call(this, hls, events["a" /* default */].MEDIA_ATTACHING, events["a" /* default */].MEDIA_DETACHING, events["a" /* default */].FRAG_PARSING_USERDATA, events["a" /* default */].FRAG_DECRYPTED, events["a" /* default */].MANIFEST_LOADING, events["a" /* default */].MANIFEST_LOADED, events["a" /* default */].FRAG_LOADED, events["a" /* default */].LEVEL_SWITCHING, events["a" /* default */].INIT_PTS_FOUND)); -var CaptionScreen = function () { - function CaptionScreen() { - _classCallCheck(this, CaptionScreen); + _this.hls = hls; + _this.config = hls.config; + _this.enabled = true; + _this.Cues = hls.config.cueHandler; + _this.textTracks = []; + _this.tracks = []; + _this.unparsedVttFrags = []; + _this.initPTS = undefined; + _this.cueRanges = []; - this.rows = []; - for (var i = 0; i < NR_ROWS; i++) { - this.rows.push(new Row()); // Note that we use zero-based numbering (0-14) + if (_this.config.enableCEA708Captions) { + var self = _this; + var sendAddTrackEvent = function sendAddTrackEvent(track, media) { + var e = null; + try { + e = new window.Event('addtrack'); + } catch (err) { + //for IE11 + e = document.createEvent('Event'); + e.initEvent('addtrack', false, false); } - this.currRow = NR_ROWS - 1; - this.nrRollUpRows = null; - this.reset(); - } + e.track = track; + media.dispatchEvent(e); + }; - _createClass(CaptionScreen, [{ - key: 'reset', - value: function reset() { - for (var i = 0; i < NR_ROWS; i++) { - this.rows[i].clear(); + var channel1 = { + 'newCue': function newCue(startTime, endTime, screen) { + if (!self.textTrack1) { + //Enable reuse of existing text track. + var existingTrack1 = self.getExistingTrack('1'); + if (!existingTrack1) { + var textTrack1 = self.createTextTrack('captions', self.config.captionsTextTrack1Label, self.config.captionsTextTrack1LanguageCode); + if (textTrack1) { + textTrack1.textTrack1 = true; + self.textTrack1 = textTrack1; + } + } else { + self.textTrack1 = existingTrack1; + clearCurrentCues(self.textTrack1); + + sendAddTrackEvent(self.textTrack1, self.media); } - this.currRow = NR_ROWS - 1; + } + self.addCues('textTrack1', startTime, endTime, screen); } - }, { - key: 'equals', - value: function equals(other) { - var equal = true; - for (var i = 0; i < NR_ROWS; i++) { - if (!this.rows[i].equals(other.rows[i])) { - equal = false; - break; - } + }; + + var channel2 = { + 'newCue': function newCue(startTime, endTime, screen) { + if (!self.textTrack2) { + //Enable reuse of existing text track. + var existingTrack2 = self.getExistingTrack('2'); + if (!existingTrack2) { + var textTrack2 = self.createTextTrack('captions', self.config.captionsTextTrack2Label, self.config.captionsTextTrack1LanguageCode); + if (textTrack2) { + textTrack2.textTrack2 = true; + self.textTrack2 = textTrack2; + } + } else { + self.textTrack2 = existingTrack2; + clearCurrentCues(self.textTrack2); + + sendAddTrackEvent(self.textTrack2, self.media); } - return equal; + } + self.addCues('textTrack2', startTime, endTime, screen); } - }, { - key: 'copy', - value: function copy(other) { - for (var i = 0; i < NR_ROWS; i++) { - this.rows[i].copy(other.rows[i]); - } + }; + + _this.cea608Parser = new cea_608_parser(0, channel1, channel2); + } + return _this; + } + + TimelineController.prototype.addCues = function addCues(channel, startTime, endTime, screen) { + // skip cues which overlap more than 50% with previously parsed time ranges + var ranges = this.cueRanges; + var merged = false; + for (var i = ranges.length; i--;) { + var cueRange = ranges[i]; + var overlap = intersection(cueRange[0], cueRange[1], startTime, endTime); + if (overlap >= 0) { + cueRange[0] = Math.min(cueRange[0], startTime); + cueRange[1] = Math.max(cueRange[1], endTime); + merged = true; + if (overlap / (endTime - startTime) > 0.5) { + return; } - }, { - key: 'isEmpty', - value: function isEmpty() { - var empty = true; - for (var i = 0; i < NR_ROWS; i++) { - if (!this.rows[i].isEmpty()) { - empty = false; - break; - } - } - return empty; - } - }, { - key: 'backSpace', - value: function backSpace() { - var row = this.rows[this.currRow]; - row.backSpace(); - } - }, { - key: 'clearToEndOfRow', - value: function clearToEndOfRow() { - var row = this.rows[this.currRow]; - row.clearToEndOfRow(); - } - - /** - * Insert a character (without styling) in the current row. - */ - - }, { - key: 'insertChar', - value: function insertChar(char) { - var row = this.rows[this.currRow]; - row.insertChar(char); - } - }, { - key: 'setPen', - value: function setPen(styles) { - var row = this.rows[this.currRow]; - row.setPenStyles(styles); - } - }, { - key: 'moveCursor', - value: function moveCursor(relPos) { - var row = this.rows[this.currRow]; - row.moveCursor(relPos); - } - }, { - key: 'setCursor', - value: function setCursor(absPos) { - logger.log('INFO', 'setCursor: ' + absPos); - var row = this.rows[this.currRow]; - row.setCursor(absPos); - } - }, { - key: 'setPAC', - value: function setPAC(pacData) { - logger.log('INFO', 'pacData = ' + JSON.stringify(pacData)); - var newRow = pacData.row - 1; - if (this.nrRollUpRows && newRow < this.nrRollUpRows - 1) { - newRow = this.nrRollUpRows - 1; - } + } + } + if (!merged) { + ranges.push([startTime, endTime]); + } + this.Cues.newCue(this[channel], startTime, endTime, screen); + }; - //Make sure this only affects Roll-up Captions by checking this.nrRollUpRows - if (this.nrRollUpRows && this.currRow !== newRow) { - //clear all rows first - for (var i = 0; i < NR_ROWS; i++) { - this.rows[i].clear(); - } + // Triggered when an initial PTS is found; used for synchronisation of WebVTT. - //Copy this.nrRollUpRows rows from lastOutputScreen and place it in the newRow location - //topRowIndex - the start of rows to copy (inclusive index) - var topRowIndex = this.currRow + 1 - this.nrRollUpRows; - //We only copy if the last position was already shown. - //We use the cueStartTime value to check this. - var lastOutputScreen = this.lastOutputScreen; - if (lastOutputScreen) { - var prevLineTime = lastOutputScreen.rows[topRowIndex].cueStartTime; - if (prevLineTime && prevLineTime < logger.time) { - for (var _i = 0; _i < this.nrRollUpRows; _i++) { - this.rows[newRow - this.nrRollUpRows + _i + 1].copy(lastOutputScreen.rows[topRowIndex + _i]); - } - } - } - } - this.currRow = newRow; - var row = this.rows[this.currRow]; - if (pacData.indent !== null) { - var indent = pacData.indent; - var prevPos = Math.max(indent - 1, 0); - row.setCursor(pacData.indent); - pacData.color = row.chars[prevPos].penState.foreground; - } - var styles = { foreground: pacData.color, underline: pacData.underline, italics: pacData.italics, background: 'black', flash: false }; - this.setPen(styles); - } + TimelineController.prototype.onInitPtsFound = function onInitPtsFound(data) { + var _this2 = this; - /** - * Set background/extra foreground, but first do back_space, and then insert space (backwards compatibility). - */ + if (typeof this.initPTS === 'undefined') { + this.initPTS = data.initPTS; + } - }, { - key: 'setBkgData', - value: function setBkgData(bkgData) { + // Due to asynchrony, initial PTS may arrive later than the first VTT fragments are loaded. + // Parse any unparsed fragments upon receiving the initial PTS. + if (this.unparsedVttFrags.length) { + this.unparsedVttFrags.forEach(function (frag) { + _this2.onFragLoaded(frag); + }); + this.unparsedVttFrags = []; + } + }; - logger.log('INFO', 'bkgData = ' + JSON.stringify(bkgData)); - this.backSpace(); - this.setPen(bkgData); - this.insertChar(0x20); //Space - } - }, { - key: 'setRollUpRows', - value: function setRollUpRows(nrRows) { - this.nrRollUpRows = nrRows; - } - }, { - key: 'rollUp', - value: function rollUp() { - if (this.nrRollUpRows === null) { - logger.log('DEBUG', 'roll_up but nrRollUpRows not set yet'); - return; //Not properly setup - } - logger.log('TEXT', this.getDisplayText()); - var topRowIndex = this.currRow + 1 - this.nrRollUpRows; - var topRow = this.rows.splice(topRowIndex, 1)[0]; - topRow.clear(); - this.rows.splice(this.currRow, 0, topRow); - logger.log('INFO', 'Rolling up'); - //logger.log('TEXT', this.get_display_text()) - } - - /** - * Get all non-empty rows with as unicode text. - */ - - }, { - key: 'getDisplayText', - value: function getDisplayText(asOneRow) { - asOneRow = asOneRow || false; - var displayText = []; - var text = ''; - var rowNr = -1; - for (var i = 0; i < NR_ROWS; i++) { - var rowText = this.rows[i].getTextString(); - if (rowText) { - rowNr = i + 1; - if (asOneRow) { - displayText.push('Row ' + rowNr + ': \'' + rowText + '\''); - } else { - displayText.push(rowText.trim()); - } - } - } - if (displayText.length > 0) { - if (asOneRow) { - text = '[' + displayText.join(' | ') + ']'; - } else { - text = displayText.join('\n'); - } - } - return text; - } - }, { - key: 'getTextAndFormat', - value: function getTextAndFormat() { - return this.rows; + TimelineController.prototype.getExistingTrack = function getExistingTrack(channelNumber) { + var media = this.media; + if (media) { + for (var i = 0; i < media.textTracks.length; i++) { + var textTrack = media.textTracks[i]; + var propName = 'textTrack' + channelNumber; + if (textTrack[propName] === true) { + return textTrack; } - }]); + } + } + return null; + }; - return CaptionScreen; -}(); + TimelineController.prototype.createTextTrack = function createTextTrack(kind, label, lang) { + var media = this.media; + if (media) { + return media.addTextTrack(kind, label, lang); + } + }; -//var modes = ['MODE_ROLL-UP', 'MODE_POP-ON', 'MODE_PAINT-ON', 'MODE_TEXT']; + TimelineController.prototype.destroy = function destroy() { + event_handler.prototype.destroy.call(this); + }; -var Cea608Channel = function () { - function Cea608Channel(channelNumber, outputFilter) { - _classCallCheck(this, Cea608Channel); + TimelineController.prototype.onMediaAttaching = function onMediaAttaching(data) { + this.media = data.media; + }; - this.chNr = channelNumber; - this.outputFilter = outputFilter; - this.mode = null; - this.verbose = 0; - this.displayedMemory = new CaptionScreen(); - this.nonDisplayedMemory = new CaptionScreen(); - this.lastOutputScreen = new CaptionScreen(); - this.currRollUpRow = this.displayedMemory.rows[NR_ROWS - 1]; - this.writeScreen = this.displayedMemory; - this.mode = null; - this.cueStartTime = null; // Keeps track of where a cue started. - } + TimelineController.prototype.onMediaDetaching = function onMediaDetaching() { + clearCurrentCues(this.textTrack1); + clearCurrentCues(this.textTrack2); + }; - _createClass(Cea608Channel, [{ - key: 'reset', - value: function reset() { - this.mode = null; - this.displayedMemory.reset(); - this.nonDisplayedMemory.reset(); - this.lastOutputScreen.reset(); - this.currRollUpRow = this.displayedMemory.rows[NR_ROWS - 1]; - this.writeScreen = this.displayedMemory; - this.mode = null; - this.cueStartTime = null; - this.lastCueEndTime = null; - } - }, { - key: 'getHandler', - value: function getHandler() { - return this.outputFilter; - } - }, { - key: 'setHandler', - value: function setHandler(newHandler) { - this.outputFilter = newHandler; - } - }, { - key: 'setPAC', - value: function setPAC(pacData) { - this.writeScreen.setPAC(pacData); - } - }, { - key: 'setBkgData', - value: function setBkgData(bkgData) { - this.writeScreen.setBkgData(bkgData); - } - }, { - key: 'setMode', - value: function setMode(newMode) { - if (newMode === this.mode) { - return; - } - this.mode = newMode; - logger.log('INFO', 'MODE=' + newMode); - if (this.mode === 'MODE_POP-ON') { - this.writeScreen = this.nonDisplayedMemory; - } else { - this.writeScreen = this.displayedMemory; - this.writeScreen.reset(); - } - if (this.mode !== 'MODE_ROLL-UP') { - this.displayedMemory.nrRollUpRows = null; - this.nonDisplayedMemory.nrRollUpRows = null; - } - this.mode = newMode; + TimelineController.prototype.onManifestLoading = function onManifestLoading() { + this.lastSn = -1; // Detect discontiguity in fragment parsing + this.prevCC = -1; + this.vttCCs = { ccOffset: 0, presentationOffset: 0 }; // Detect discontinuity in subtitle manifests + + // clear outdated subtitles + var media = this.media; + if (media) { + var textTracks = media.textTracks; + if (textTracks) { + for (var i = 0; i < textTracks.length; i++) { + clearCurrentCues(textTracks[i]); } - }, { - key: 'insertChars', - value: function insertChars(chars) { - for (var i = 0; i < chars.length; i++) { - this.writeScreen.insertChar(chars[i]); - } - var screen = this.writeScreen === this.displayedMemory ? 'DISP' : 'NON_DISP'; - logger.log('INFO', screen + ': ' + this.writeScreen.getDisplayText(true)); - if (this.mode === 'MODE_PAINT-ON' || this.mode === 'MODE_ROLL-UP') { - logger.log('TEXT', 'DISPLAYED: ' + this.displayedMemory.getDisplayText(true)); - this.outputDataUpdate(); - } + } + } + }; + + TimelineController.prototype.onManifestLoaded = function onManifestLoaded(data) { + var _this3 = this; + + this.textTracks = []; + this.unparsedVttFrags = this.unparsedVttFrags || []; + this.initPTS = undefined; + this.cueRanges = []; + + if (this.config.enableWebVTT) { + this.tracks = data.subtitles || []; + var inUseTracks = this.media ? this.media.textTracks : []; + + this.tracks.forEach(function (track, index) { + var textTrack = void 0; + if (index < inUseTracks.length) { + var inUseTrack = inUseTracks[index]; + // Reuse tracks with the same label, but do not reuse 608/708 tracks + if (reuseVttTextTrack(inUseTrack, track)) { + textTrack = inUseTrack; + } } - }, { - key: 'ccRCL', - value: function ccRCL() { - // Resume Caption Loading (switch mode to Pop On) - logger.log('INFO', 'RCL - Resume Caption Loading'); - this.setMode('MODE_POP-ON'); - } - }, { - key: 'ccBS', - value: function ccBS() { - // BackSpace - logger.log('INFO', 'BS - BackSpace'); - if (this.mode === 'MODE_TEXT') { - return; - } - this.writeScreen.backSpace(); - if (this.writeScreen === this.displayedMemory) { - this.outputDataUpdate(); - } + if (!textTrack) { + textTrack = _this3.createTextTrack('subtitles', track.name, track.lang); } - }, { - key: 'ccAOF', - value: function ccAOF() { - // Reserved (formerly Alarm Off) - return; + textTrack.mode = track.default ? 'showing' : 'hidden'; + _this3.textTracks.push(textTrack); + }); + } + }; + + TimelineController.prototype.onLevelSwitching = function onLevelSwitching() { + this.enabled = this.hls.currentLevel.closedCaptions !== 'NONE'; + }; + + TimelineController.prototype.onFragLoaded = function onFragLoaded(data) { + var frag = data.frag, + payload = data.payload; + if (frag.type === 'main') { + var sn = frag.sn; + // if this frag isn't contiguous, clear the parser so cues with bad start/end times aren't added to the textTrack + if (sn !== this.lastSn + 1) { + var cea608Parser = this.cea608Parser; + if (cea608Parser) { + cea608Parser.reset(); } - }, { - key: 'ccAON', - value: function ccAON() { - // Reserved (formerly Alarm On) + } + this.lastSn = sn; + } + // If fragment is subtitle type, parse as WebVTT. + else if (frag.type === 'subtitle') { + if (payload.byteLength) { + // We need an initial synchronisation PTS. Store fragments as long as none has arrived. + if (typeof this.initPTS === 'undefined') { + this.unparsedVttFrags.push(data); return; + } + + var decryptData = frag.decryptdata; + // If the subtitles are not encrypted, parse VTTs now. Otherwise, we need to wait. + if (decryptData == null || decryptData.key == null || decryptData.method !== 'AES-128') { + this._parseVTTs(frag, payload); + } + } else { + // In case there is no payload, finish unsuccessfully. + this.hls.trigger(events["a" /* default */].SUBTITLE_FRAG_PROCESSED, { success: false, frag: frag }); } - }, { - key: 'ccDER', - value: function ccDER() { - // Delete to End of Row - logger.log('INFO', 'DER- Delete to End of Row'); - this.writeScreen.clearToEndOfRow(); - this.outputDataUpdate(); - } - }, { - key: 'ccRU', - value: function ccRU(nrRows) { - //Roll-Up Captions-2,3,or 4 Rows - logger.log('INFO', 'RU(' + nrRows + ') - Roll Up'); - this.writeScreen = this.displayedMemory; - this.setMode('MODE_ROLL-UP'); - this.writeScreen.setRollUpRows(nrRows); - } - }, { - key: 'ccFON', - value: function ccFON() { - //Flash On - logger.log('INFO', 'FON - Flash On'); - this.writeScreen.setPen({ flash: true }); - } - }, { - key: 'ccRDC', - value: function ccRDC() { - // Resume Direct Captioning (switch mode to PaintOn) - logger.log('INFO', 'RDC - Resume Direct Captioning'); - this.setMode('MODE_PAINT-ON'); - } - }, { - key: 'ccTR', - value: function ccTR() { - // Text Restart in text mode (not supported, however) - logger.log('INFO', 'TR'); - this.setMode('MODE_TEXT'); - } - }, { - key: 'ccRTD', - value: function ccRTD() { - // Resume Text Display in Text mode (not supported, however) - logger.log('INFO', 'RTD'); - this.setMode('MODE_TEXT'); - } - }, { - key: 'ccEDM', - value: function ccEDM() { - // Erase Displayed Memory - logger.log('INFO', 'EDM - Erase Displayed Memory'); - this.displayedMemory.reset(); - this.outputDataUpdate(); - } - }, { - key: 'ccCR', - value: function ccCR() { - // Carriage Return - logger.log('CR - Carriage Return'); - this.writeScreen.rollUp(); - this.outputDataUpdate(); - } - }, { - key: 'ccENM', - value: function ccENM() { - //Erase Non-Displayed Memory - logger.log('INFO', 'ENM - Erase Non-displayed Memory'); - this.nonDisplayedMemory.reset(); - } - }, { - key: 'ccEOC', - value: function ccEOC() { - //End of Caption (Flip Memories) - logger.log('INFO', 'EOC - End Of Caption'); - if (this.mode === 'MODE_POP-ON') { - var tmp = this.displayedMemory; - this.displayedMemory = this.nonDisplayedMemory; - this.nonDisplayedMemory = tmp; - this.writeScreen = this.nonDisplayedMemory; - logger.log('TEXT', 'DISP: ' + this.displayedMemory.getDisplayText()); - } - this.outputDataUpdate(); - } - }, { - key: 'ccTO', - value: function ccTO(nrCols) { - // Tab Offset 1,2, or 3 columns - logger.log('INFO', 'TO(' + nrCols + ') - Tab Offset'); - this.writeScreen.moveCursor(nrCols); - } - }, { - key: 'ccMIDROW', - value: function ccMIDROW(secondByte) { - // Parse MIDROW command - var styles = { flash: false }; - styles.underline = secondByte % 2 === 1; - styles.italics = secondByte >= 0x2e; - if (!styles.italics) { - var colorIndex = Math.floor(secondByte / 2) - 0x10; - var colors = ['white', 'green', 'blue', 'cyan', 'red', 'yellow', 'magenta']; - styles.foreground = colors[colorIndex]; - } else { - styles.foreground = 'white'; - } - logger.log('INFO', 'MIDROW: ' + JSON.stringify(styles)); - this.writeScreen.setPen(styles); - } - }, { - key: 'outputDataUpdate', - value: function outputDataUpdate() { - var t = logger.time; - if (t === null) { - return; - } - if (this.outputFilter) { - if (this.outputFilter.updateData) { - this.outputFilter.updateData(t, this.displayedMemory); - } - if (this.cueStartTime === null && !this.displayedMemory.isEmpty()) { - // Start of a new cue - this.cueStartTime = t; - } else { - if (!this.displayedMemory.equals(this.lastOutputScreen)) { - if (this.outputFilter.newCue) { - this.outputFilter.newCue(this.cueStartTime, t, this.lastOutputScreen); - } - this.cueStartTime = this.displayedMemory.isEmpty() ? null : t; - } - } - this.lastOutputScreen.copy(this.displayedMemory); - } - } - }, { - key: 'cueSplitAtTime', - value: function cueSplitAtTime(t) { - if (this.outputFilter) { - if (!this.displayedMemory.isEmpty()) { - if (this.outputFilter.newCue) { - this.outputFilter.newCue(this.cueStartTime, t, this.displayedMemory); - } - this.cueStartTime = t; - } - } + } + }; + + TimelineController.prototype._parseVTTs = function _parseVTTs(frag, payload) { + var vttCCs = this.vttCCs; + if (!vttCCs[frag.cc]) { + vttCCs[frag.cc] = { start: frag.start, prevCC: this.prevCC, new: true }; + this.prevCC = frag.cc; + } + var textTracks = this.textTracks, + hls = this.hls; + + // Parse the WebVTT file contents. + webvtt_parser.parse(payload, this.initPTS, vttCCs, frag.cc, function (cues) { + var currentTrack = textTracks[frag.trackId]; + // Add cues and trigger event with success true. + cues.forEach(function (cue) { + // Sometimes there are cue overlaps on segmented vtts so the same + // cue can appear more than once in different vtt files. + // This avoid showing duplicated cues with same timecode and text. + if (!currentTrack.cues.getCueById(cue.id)) { + try { + currentTrack.addCue(cue); + } catch (err) { + var textTrackCue = new window.TextTrackCue(cue.startTime, cue.endTime, cue.text); + textTrackCue.id = cue.id; + currentTrack.addCue(textTrackCue); + } } - }]); + }); + hls.trigger(events["a" /* default */].SUBTITLE_FRAG_PROCESSED, { success: true, frag: frag }); + }, function (e) { + // Something went wrong while parsing. Trigger event with success false. + logger["b" /* logger */].log('Failed to parse VTT cue: ' + e); + hls.trigger(events["a" /* default */].SUBTITLE_FRAG_PROCESSED, { success: false, frag: frag }); + }); + }; - return Cea608Channel; -}(); + TimelineController.prototype.onFragDecrypted = function onFragDecrypted(data) { + var decryptedData = data.payload, + frag = data.frag; -var Cea608Parser = function () { - function Cea608Parser(field, out1, out2) { - _classCallCheck(this, Cea608Parser); + if (frag.type === 'subtitle') { + if (typeof this.initPTS === 'undefined') { + this.unparsedVttFrags.push(data); + return; + } - this.field = field || 1; - this.outputs = [out1, out2]; - this.channels = [new Cea608Channel(1, out1), new Cea608Channel(2, out2)]; - this.currChNr = -1; // Will be 1 or 2 - this.lastCmdA = null; // First byte of last command - this.lastCmdB = null; // Second byte of last command - this.bufferedData = []; - this.startTime = null; - this.lastTime = null; - this.dataCounters = { 'padding': 0, 'char': 0, 'cmd': 0, 'other': 0 }; + this._parseVTTs(frag, decryptedData); } + }; - _createClass(Cea608Parser, [{ - key: 'getHandler', - value: function getHandler(index) { - return this.channels[index].getHandler(); - } - }, { - key: 'setHandler', - value: function setHandler(index, newHandler) { - this.channels[index].setHandler(newHandler); - } - - /** - * Add data for time t in forms of list of bytes (unsigned ints). The bytes are treated as pairs. - */ + TimelineController.prototype.onFragParsingUserdata = function onFragParsingUserdata(data) { + // push all of the CEA-708 messages into the interpreter + // immediately. It will create the proper timestamps based on our PTS value + if (this.enabled && this.config.enableCEA708Captions) { + for (var i = 0; i < data.samples.length; i++) { + var ccdatas = this.extractCea608Data(data.samples[i].bytes); + this.cea608Parser.addData(data.samples[i].pts, ccdatas); + } + } + }; - }, { - key: 'addData', - value: function addData(t, byteList) { - var cmdFound, - a, - b, - charsFound = false; + TimelineController.prototype.extractCea608Data = function extractCea608Data(byteArray) { + var count = byteArray[0] & 31; + var position = 2; + var tmpByte, ccbyte1, ccbyte2, ccValid, ccType; + var actualCCBytes = []; - this.lastTime = t; - logger.setTime(t); + for (var j = 0; j < count; j++) { + tmpByte = byteArray[position++]; + ccbyte1 = 0x7F & byteArray[position++]; + ccbyte2 = 0x7F & byteArray[position++]; + ccValid = (4 & tmpByte) !== 0; + ccType = 3 & tmpByte; - for (var i = 0; i < byteList.length; i += 2) { - a = byteList[i] & 0x7f; - b = byteList[i + 1] & 0x7f; - if (a === 0 && b === 0) { - this.dataCounters.padding += 2; - continue; - } else { - logger.log('DATA', '[' + numArrayToHexArray([byteList[i], byteList[i + 1]]) + '] -> (' + numArrayToHexArray([a, b]) + ')'); - } - cmdFound = this.parseCmd(a, b); - if (!cmdFound) { - cmdFound = this.parseMidrow(a, b); - } - if (!cmdFound) { - cmdFound = this.parsePAC(a, b); - } - if (!cmdFound) { - cmdFound = this.parseBackgroundAttributes(a, b); - } - if (!cmdFound) { - charsFound = this.parseChars(a, b); - if (charsFound) { - if (this.currChNr && this.currChNr >= 0) { - var channel = this.channels[this.currChNr - 1]; - channel.insertChars(charsFound); - } else { - logger.log('WARNING', 'No channel found yet. TEXT-MODE?'); - } - } - } - if (cmdFound) { - this.dataCounters.cmd += 2; - } else if (charsFound) { - this.dataCounters.char += 2; - } else { - this.dataCounters.other += 2; - logger.log('WARNING', 'Couldn\'t parse cleaned data ' + numArrayToHexArray([a, b]) + ' orig: ' + numArrayToHexArray([byteList[i], byteList[i + 1]])); - } - } - } + if (ccbyte1 === 0 && ccbyte2 === 0) { + continue; + } - /** - * Parse Command. - * @returns {Boolean} Tells if a command was found - */ + if (ccValid) { + if (ccType === 0) // || ccType === 1 + { + actualCCBytes.push(ccbyte1); + actualCCBytes.push(ccbyte2); + } + } + } + return actualCCBytes; + }; - }, { - key: 'parseCmd', - value: function parseCmd(a, b) { - var chNr = null; + return TimelineController; +}(event_handler); - var cond1 = (a === 0x14 || a === 0x1C) && 0x20 <= b && b <= 0x2F; - var cond2 = (a === 0x17 || a === 0x1F) && 0x21 <= b && b <= 0x23; - if (!(cond1 || cond2)) { - return false; - } +/* harmony default export */ var timeline_controller = (timeline_controller_TimelineController); +// CONCATENATED MODULE: ./src/controller/subtitle-track-controller.js +var subtitle_track_controller__createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); - if (a === this.lastCmdA && b === this.lastCmdB) { - this.lastCmdA = null; - this.lastCmdB = null; // Repeated commands are dropped (once) - logger.log('DEBUG', 'Repeated command (' + numArrayToHexArray([a, b]) + ') is dropped'); - return true; - } +function subtitle_track_controller__classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } - if (a === 0x14 || a === 0x17) { - chNr = 1; - } else { - chNr = 2; // (a === 0x1C || a=== 0x1f) - } +function subtitle_track_controller__possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; } - var channel = this.channels[chNr - 1]; +function subtitle_track_controller__inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } - if (a === 0x14 || a === 0x1C) { - if (b === 0x20) { - channel.ccRCL(); - } else if (b === 0x21) { - channel.ccBS(); - } else if (b === 0x22) { - channel.ccAOF(); - } else if (b === 0x23) { - channel.ccAON(); - } else if (b === 0x24) { - channel.ccDER(); - } else if (b === 0x25) { - channel.ccRU(2); - } else if (b === 0x26) { - channel.ccRU(3); - } else if (b === 0x27) { - channel.ccRU(4); - } else if (b === 0x28) { - channel.ccFON(); - } else if (b === 0x29) { - channel.ccRDC(); - } else if (b === 0x2A) { - channel.ccTR(); - } else if (b === 0x2B) { - channel.ccRTD(); - } else if (b === 0x2C) { - channel.ccEDM(); - } else if (b === 0x2D) { - channel.ccCR(); - } else if (b === 0x2E) { - channel.ccENM(); - } else if (b === 0x2F) { - channel.ccEOC(); - } - } else { - //a == 0x17 || a == 0x1F - channel.ccTO(b - 0x20); - } - this.lastCmdA = a; - this.lastCmdB = b; - this.currChNr = chNr; - return true; - } +/* + * subtitle track controller +*/ - /** - * Parse midrow styling command - * @returns {Boolean} - */ - }, { - key: 'parseMidrow', - value: function parseMidrow(a, b) { - var chNr = null; - if ((a === 0x11 || a === 0x19) && 0x20 <= b && b <= 0x2f) { - if (a === 0x11) { - chNr = 1; - } else { - chNr = 2; - } - if (chNr !== this.currChNr) { - logger.log('ERROR', 'Mismatch channel in midrow parsing'); - return false; - } - var channel = this.channels[chNr - 1]; - channel.ccMIDROW(b); - logger.log('DEBUG', 'MIDROW (' + numArrayToHexArray([a, b]) + ')'); - return true; - } - return false; - } - /** - * Parse Preable Access Codes (Table 53). - * @returns {Boolean} Tells if PAC found - */ - }, { - key: 'parsePAC', - value: function parsePAC(a, b) { - var chNr = null; - var row = null; +function filterSubtitleTracks(textTrackList) { + var tracks = []; + for (var i = 0; i < textTrackList.length; i++) { + if (textTrackList[i].kind === 'subtitles') { + tracks.push(textTrackList[i]); + } + } + return tracks; +} - var case1 = (0x11 <= a && a <= 0x17 || 0x19 <= a && a <= 0x1F) && 0x40 <= b && b <= 0x7F; - var case2 = (a === 0x10 || a === 0x18) && 0x40 <= b && b <= 0x5F; - if (!(case1 || case2)) { - return false; - } +var subtitle_track_controller_SubtitleTrackController = function (_EventHandler) { + subtitle_track_controller__inherits(SubtitleTrackController, _EventHandler); - if (a === this.lastCmdA && b === this.lastCmdB) { - this.lastCmdA = null; - this.lastCmdB = null; - return true; // Repeated commands are dropped (once) - } + function SubtitleTrackController(hls) { + subtitle_track_controller__classCallCheck(this, SubtitleTrackController); - chNr = a <= 0x17 ? 1 : 2; + var _this = subtitle_track_controller__possibleConstructorReturn(this, _EventHandler.call(this, hls, events["a" /* default */].MEDIA_ATTACHED, events["a" /* default */].MEDIA_DETACHING, events["a" /* default */].MANIFEST_LOADING, events["a" /* default */].MANIFEST_LOADED, events["a" /* default */].SUBTITLE_TRACK_LOADED)); - if (0x40 <= b && b <= 0x5F) { - row = chNr === 1 ? rowsLowCh1[a] : rowsLowCh2[a]; - } else { - // 0x60 <= b <= 0x7F - row = chNr === 1 ? rowsHighCh1[a] : rowsHighCh2[a]; - } - var pacData = this.interpretPAC(row, b); - var channel = this.channels[chNr - 1]; - channel.setPAC(pacData); - this.lastCmdA = a; - this.lastCmdB = b; - this.currChNr = chNr; - return true; - } + _this.tracks = []; + _this.trackId = -1; + _this.media = undefined; + _this.subtitleDisplay = false; + return _this; + } - /** - * Interpret the second byte of the pac, and return the information. - * @returns {Object} pacData with style parameters. - */ + SubtitleTrackController.prototype._onTextTracksChanged = function _onTextTracksChanged() { + // Media is undefined when switching streams via loadSource() + if (!this.media) { + return; + } - }, { - key: 'interpretPAC', - value: function interpretPAC(row, byte) { - var pacIndex = byte; - var pacData = { color: null, italics: false, indent: null, underline: false, row: row }; + var trackId = -1; + var tracks = filterSubtitleTracks(this.media.textTracks); + for (var id = 0; id < tracks.length; id++) { + if (tracks[id].mode === 'showing') { + trackId = id; + } + } - if (byte > 0x5F) { - pacIndex = byte - 0x60; - } else { - pacIndex = byte - 0x40; - } - pacData.underline = (pacIndex & 1) === 1; - if (pacIndex <= 0xd) { - pacData.color = ['white', 'green', 'blue', 'cyan', 'red', 'yellow', 'magenta', 'white'][Math.floor(pacIndex / 2)]; - } else if (pacIndex <= 0xf) { - pacData.italics = true; - pacData.color = 'white'; - } else { - pacData.indent = Math.floor((pacIndex - 0x10) / 2) * 4; - } - return pacData; // Note that row has zero offset. The spec uses 1. - } + // Setting current subtitleTrack will invoke code. + this.subtitleTrack = trackId; + }; - /** - * Parse characters. - * @returns An array with 1 to 2 codes corresponding to chars, if found. null otherwise. - */ + SubtitleTrackController.prototype.destroy = function destroy() { + event_handler.prototype.destroy.call(this); + }; - }, { - key: 'parseChars', - value: function parseChars(a, b) { + // Listen for subtitle track change, then extract the current track ID. - var channelNr = null, - charCodes = null, - charCode1 = null; - if (a >= 0x19) { - channelNr = 2; - charCode1 = a - 8; - } else { - channelNr = 1; - charCode1 = a; - } - if (0x11 <= charCode1 && charCode1 <= 0x13) { - // Special character - var oneCode = b; - if (charCode1 === 0x11) { - oneCode = b + 0x50; - } else if (charCode1 === 0x12) { - oneCode = b + 0x70; - } else { - oneCode = b + 0x90; - } - logger.log('INFO', 'Special char \'' + getCharForByte(oneCode) + '\' in channel ' + channelNr); - charCodes = [oneCode]; - } else if (0x20 <= a && a <= 0x7f) { - charCodes = b === 0 ? [a] : [a, b]; - } - if (charCodes) { - var hexCodes = numArrayToHexArray(charCodes); - logger.log('DEBUG', 'Char codes = ' + hexCodes.join(',')); - this.lastCmdA = null; - this.lastCmdB = null; - } - return charCodes; - } + SubtitleTrackController.prototype.onMediaAttached = function onMediaAttached(data) { + var _this2 = this; - /** - * Parse extended background attributes as well as new foreground color black. - * @returns{Boolean} Tells if background attributes are found - */ + this.media = data.media; + if (!this.media) { + return; + } - }, { - key: 'parseBackgroundAttributes', - value: function parseBackgroundAttributes(a, b) { - var bkgData, index, chNr, channel; + this.trackChangeListener = this._onTextTracksChanged.bind(this); - var case1 = (a === 0x10 || a === 0x18) && 0x20 <= b && b <= 0x2f; - var case2 = (a === 0x17 || a === 0x1f) && 0x2d <= b && b <= 0x2f; - if (!(case1 || case2)) { - return false; - } - bkgData = {}; - if (a === 0x10 || a === 0x18) { - index = Math.floor((b - 0x20) / 2); - bkgData.background = backgroundColors[index]; - if (b % 2 === 1) { - bkgData.background = bkgData.background + '_semi'; - } - } else if (b === 0x2d) { - bkgData.background = 'transparent'; - } else { - bkgData.foreground = 'black'; - if (b === 0x2f) { - bkgData.underline = true; - } - } - chNr = a < 0x18 ? 1 : 2; - channel = this.channels[chNr - 1]; - channel.setBkgData(bkgData); - this.lastCmdA = null; - this.lastCmdB = null; - return true; - } + this.useTextTrackPolling = !(this.media.textTracks && 'onchange' in this.media.textTracks); + if (this.useTextTrackPolling) { + this.subtitlePollingInterval = setInterval(function () { + _this2.trackChangeListener(); + }, 500); + } else { + this.media.textTracks.addEventListener('change', this.trackChangeListener); + } + }; - /** - * Reset state of parser and its channels. - */ + SubtitleTrackController.prototype.onMediaDetaching = function onMediaDetaching() { + if (!this.media) { + return; + } + if (this.useTextTrackPolling) { + clearInterval(this.subtitlePollingInterval); + } else { + this.media.textTracks.removeEventListener('change', this.trackChangeListener); + } - }, { - key: 'reset', - value: function reset() { - for (var i = 0; i < this.channels.length; i++) { - if (this.channels[i]) { - this.channels[i].reset(); - } - } - this.lastCmdA = null; - this.lastCmdB = null; - } + this.media = undefined; + }; - /** - * Trigger the generation of a cue, and the start of a new one if displayScreens are not empty. - */ + // Reset subtitle tracks on manifest loading - }, { - key: 'cueSplitAtTime', - value: function cueSplitAtTime(t) { - for (var i = 0; i < this.channels.length; i++) { - if (this.channels[i]) { - this.channels[i].cueSplitAtTime(t); - } - } - } - }]); - return Cea608Parser; -}(); + SubtitleTrackController.prototype.onManifestLoading = function onManifestLoading() { + this.tracks = []; + this.trackId = -1; + }; -exports.default = Cea608Parser; + // Fired whenever a new manifest is loaded. -},{}],50:[function(_dereq_,module,exports){ -'use strict'; -var _vttparser = _dereq_(56); + SubtitleTrackController.prototype.onManifestLoaded = function onManifestLoaded(data) { + var _this3 = this; -var Cues = { + var tracks = data.subtitles || []; + var defaultFound = false; + this.tracks = tracks; + this.trackId = -1; + this.hls.trigger(events["a" /* default */].SUBTITLE_TRACKS_UPDATED, { subtitleTracks: tracks }); - newCue: function newCue(track, startTime, endTime, captionScreen) { - var row; - var cue; - var indenting; - var indent; - var text; - var VTTCue = window.VTTCue || window.TextTrackCue; + // loop through available subtitle tracks and autoselect default if needed + // TODO: improve selection logic to handle forced, etc + tracks.forEach(function (track) { + if (track.default) { + _this3.subtitleTrack = track.id; + defaultFound = true; + } + }); + }; - for (var r = 0; r < captionScreen.rows.length; r++) { - row = captionScreen.rows[r]; - indenting = true; - indent = 0; - text = ''; + // Trigger subtitle track playlist reload. - if (!row.isEmpty()) { - for (var c = 0; c < row.chars.length; c++) { - if (row.chars[c].uchar.match(/\s/) && indenting) { - indent++; - } else { - text += row.chars[c].uchar; - indenting = false; - } - } - //To be used for cleaning-up orphaned roll-up captions - row.cueStartTime = startTime; - // Give a slight bump to the endTime if it's equal to startTime to avoid a SyntaxError in IE - if (startTime === endTime) { - endTime += 0.0001; - } + SubtitleTrackController.prototype.onTick = function onTick() { + var trackId = this.trackId; + var subtitleTrack = this.tracks[trackId]; + if (!subtitleTrack) { + return; + } - cue = new VTTCue(startTime, endTime, (0, _vttparser.fixLineBreaks)(text.trim())); + var details = subtitleTrack.details; + // check if we need to load playlist for this subtitle Track + if (details === undefined || details.live === true) { + // track not retrieved yet, or live playlist we need to (re)load it + logger["b" /* logger */].log('(re)loading playlist for subtitle track ' + trackId); + this.hls.trigger(events["a" /* default */].SUBTITLE_TRACK_LOADING, { url: subtitleTrack.url, id: trackId }); + } + }; - if (indent >= 16) { - indent--; - } else { - indent++; - } + SubtitleTrackController.prototype.onSubtitleTrackLoaded = function onSubtitleTrackLoaded(data) { + var _this4 = this; - // VTTCue.line get's flakey when using controls, so let's now include line 13&14 - // also, drop line 1 since it's to close to the top - if (navigator.userAgent.match(/Firefox\//)) { - cue.line = r + 1; - } else { - cue.line = r > 7 ? r - 2 : r + 1; - } - cue.align = 'left'; - // Clamp the position between 0 and 100 - if out of these bounds, Firefox throws an exception and captions break - cue.position = Math.max(0, Math.min(100, 100 * (indent / 32) + (navigator.userAgent.match(/Firefox\//) ? 50 : 0))); - track.addCue(cue); + if (data.id < this.tracks.length) { + logger["b" /* logger */].log('subtitle track ' + data.id + ' loaded'); + this.tracks[data.id].details = data.details; + // check if current playlist is a live playlist + if (data.details.live && !this.timer) { + // if live playlist we will have to reload it periodically + // set reload period to playlist target duration + this.timer = setInterval(function () { + _this4.onTick(); + }, 1000 * data.details.targetduration, this); + } + if (!data.details.live && this.timer) { + // playlist is not live and timer is armed : stopping it + clearInterval(this.timer); + this.timer = null; } } - } + }; -}; + /** get alternate subtitle tracks list from playlist **/ -module.exports = Cues; -},{"56":56}],51:[function(_dereq_,module,exports){ -'use strict'; + SubtitleTrackController.prototype.setSubtitleTrackInternal = function setSubtitleTrackInternal(newId) { + // check if level idx is valid + if (newId < -1 || newId >= this.tracks.length) { + return; + } -Object.defineProperty(exports, "__esModule", { - value: true -}); + // stopping live reloading timer if any + if (this.timer) { + clearInterval(this.timer); + this.timer = null; + } -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); /* - * EWMA Bandwidth Estimator - * - heavily inspired from shaka-player - * Tracks bandwidth samples and estimates available bandwidth. - * Based on the minimum of two exponentially-weighted moving averages with - * different half-lives. - */ + var textTracks = filterSubtitleTracks(this.media.textTracks); -var _ewma = _dereq_(52); + // hide currently enabled subtitle track + if (this.trackId !== -1 && this.subtitleDisplay) { + textTracks[this.trackId].mode = 'hidden'; + } -var _ewma2 = _interopRequireDefault(_ewma); + this.trackId = newId; + logger["b" /* logger */].log('switching to subtitle track ' + newId); + this.hls.trigger(events["a" /* default */].SUBTITLE_TRACK_SWITCH, { id: newId }); -function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + if (newId === -1) { + return; + } -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + var subtitleTrack = this.tracks[newId]; + if (this.subtitleDisplay) { + textTracks[newId].mode = 'showing'; + } -var EwmaBandWidthEstimator = function () { - function EwmaBandWidthEstimator(hls, slow, fast, defaultEstimate) { - _classCallCheck(this, EwmaBandWidthEstimator); + // check if we need to load playlist for this subtitle Track + var details = subtitleTrack.details; + if (details === undefined || details.live === true) { + // track not retrieved yet, or live playlist we need to (re)load it + logger["b" /* logger */].log('(re)loading playlist for subtitle track ' + newId); + this.hls.trigger(events["a" /* default */].SUBTITLE_TRACK_LOADING, { url: subtitleTrack.url, id: newId }); + } + }; - this.hls = hls; - this.defaultEstimate_ = defaultEstimate; - this.minWeight_ = 0.001; - this.minDelayMs_ = 50; - this.slow_ = new _ewma2.default(slow); - this.fast_ = new _ewma2.default(fast); - } + subtitle_track_controller__createClass(SubtitleTrackController, [{ + key: 'subtitleTracks', + get: function get() { + return this.tracks; + } - _createClass(EwmaBandWidthEstimator, [{ - key: 'sample', - value: function sample(durationMs, numBytes) { - durationMs = Math.max(durationMs, this.minDelayMs_); - var bandwidth = 8000 * numBytes / durationMs, + /** get index of the selected subtitle track (index in subtitle track lists) **/ - //console.log('instant bw:'+ Math.round(bandwidth)); - // we weight sample using loading duration.... - weight = durationMs / 1000; - this.fast_.sample(weight, bandwidth); - this.slow_.sample(weight, bandwidth); - } }, { - key: 'canEstimate', - value: function canEstimate() { - var fast = this.fast_; - return fast && fast.getTotalWeight() >= this.minWeight_; + key: 'subtitleTrack', + get: function get() { + return this.trackId; } - }, { - key: 'getEstimate', - value: function getEstimate() { - if (this.canEstimate()) { - //console.log('slow estimate:'+ Math.round(this.slow_.getEstimate())); - //console.log('fast estimate:'+ Math.round(this.fast_.getEstimate())); - // Take the minimum of these two estimates. This should have the effect of - // adapting down quickly, but up more slowly. - return Math.min(this.fast_.getEstimate(), this.slow_.getEstimate()); - } else { - return this.defaultEstimate_; + + /** select a subtitle track, based on its index in subtitle track lists**/ + , + set: function set(subtitleTrackId) { + if (this.trackId !== subtitleTrackId) { + // || this.tracks[subtitleTrackId].details === undefined) { + this.setSubtitleTrackInternal(subtitleTrackId); } } - }, { - key: 'destroy', - value: function destroy() {} }]); - return EwmaBandWidthEstimator; -}(); - -exports.default = EwmaBandWidthEstimator; + return SubtitleTrackController; +}(event_handler); -},{"52":52}],52:[function(_dereq_,module,exports){ -"use strict"; +/* harmony default export */ var subtitle_track_controller = (subtitle_track_controller_SubtitleTrackController); +// EXTERNAL MODULE: ./src/crypt/decrypter.js + 3 modules +var decrypter = __webpack_require__(3); -Object.defineProperty(exports, "__esModule", { - value: true -}); +// CONCATENATED MODULE: ./src/controller/subtitle-stream-controller.js +function subtitle_stream_controller__classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); +function subtitle_stream_controller__possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; } -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } +function subtitle_stream_controller__inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } /* - * compute an Exponential Weighted moving average - * - https://en.wikipedia.org/wiki/Moving_average#Exponential_moving_average - * - heavily inspired from shaka-player - */ + * Subtitle Stream Controller +*/ -var EWMA = function () { - // About half of the estimated value will be from the last |halfLife| samples by weight. - function EWMA(halfLife) { - _classCallCheck(this, EWMA); - // Larger values of alpha expire historical data more slowly. - this.alpha_ = halfLife ? Math.exp(Math.log(0.5) / halfLife) : 0; - this.estimate_ = 0; - this.totalWeight_ = 0; - } - _createClass(EWMA, [{ - key: "sample", - value: function sample(weight, value) { - var adjAlpha = Math.pow(this.alpha_, weight); - this.estimate_ = value * (1 - adjAlpha) + adjAlpha * this.estimate_; - this.totalWeight_ += weight; - } - }, { - key: "getTotalWeight", - value: function getTotalWeight() { - return this.totalWeight_; - } - }, { - key: "getEstimate", - value: function getEstimate() { - if (this.alpha_) { - var zeroFactor = 1 - Math.pow(this.alpha_, this.totalWeight_); - return this.estimate_ / zeroFactor; - } else { - return this.estimate_; - } - } - }]); - return EWMA; -}(); -exports.default = EWMA; +var subtitle_stream_controller_State = { + STOPPED: 'STOPPED', + IDLE: 'IDLE', + KEY_LOADING: 'KEY_LOADING', + FRAG_LOADING: 'FRAG_LOADING' +}; + +var subtitle_stream_controller_SubtitleStreamController = function (_EventHandler) { + subtitle_stream_controller__inherits(SubtitleStreamController, _EventHandler); -},{}],53:[function(_dereq_,module,exports){ -'use strict'; + function SubtitleStreamController(hls) { + subtitle_stream_controller__classCallCheck(this, SubtitleStreamController); -Object.defineProperty(exports, "__esModule", { - value: true -}); + var _this = subtitle_stream_controller__possibleConstructorReturn(this, _EventHandler.call(this, hls, events["a" /* default */].MEDIA_ATTACHED, events["a" /* default */].ERROR, events["a" /* default */].KEY_LOADED, events["a" /* default */].FRAG_LOADED, events["a" /* default */].SUBTITLE_TRACKS_UPDATED, events["a" /* default */].SUBTITLE_TRACK_SWITCH, events["a" /* default */].SUBTITLE_TRACK_LOADED, events["a" /* default */].SUBTITLE_FRAG_PROCESSED)); -var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; + _this.config = hls.config; + _this.vttFragSNsProcessed = {}; + _this.vttFragQueues = undefined; + _this.currentlyProcessing = null; + _this.state = subtitle_stream_controller_State.STOPPED; + _this.currentTrackId = -1; + _this.ticks = 0; + _this.decrypter = new decrypter["a" /* default */](hls.observer, hls.config); + return _this; + } -function noop() {} + SubtitleStreamController.prototype.destroy = function destroy() { + event_handler.prototype.destroy.call(this); + this.state = subtitle_stream_controller_State.STOPPED; + }; -var fakeLogger = { - trace: noop, - debug: noop, - log: noop, - warn: noop, - info: noop, - error: noop -}; + // Remove all queued items and create a new, empty queue for each track. -var exportedLogger = fakeLogger; -/*globals self: false */ + SubtitleStreamController.prototype.clearVttFragQueues = function clearVttFragQueues() { + var _this2 = this; -//let lastCallTime; -// function formatMsgWithTimeInfo(type, msg) { -// const now = Date.now(); -// const diff = lastCallTime ? '+' + (now - lastCallTime) : '0'; -// lastCallTime = now; -// msg = (new Date(now)).toISOString() + ' | [' + type + '] > ' + msg + ' ( ' + diff + ' ms )'; -// return msg; -// } + this.vttFragQueues = {}; + this.tracks.forEach(function (track) { + _this2.vttFragQueues[track.id] = []; + }); + }; -function formatMsg(type, msg) { - msg = '[' + type + '] > ' + msg; - return msg; -} + // If no frag is being processed and queue isn't empty, initiate processing of next frag in line. -function consolePrintFn(type) { - var func = self.console[type]; - if (func) { - return function () { - for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) { - args[_key] = arguments[_key]; - } - if (args[0]) { - args[0] = formatMsg(type, args[0]); - } - func.apply(self.console, args); - }; - } - return noop; -} + SubtitleStreamController.prototype.nextFrag = function nextFrag() { + if (this.currentlyProcessing === null && this.currentTrackId > -1 && this.vttFragQueues[this.currentTrackId].length) { + var frag = this.currentlyProcessing = this.vttFragQueues[this.currentTrackId].shift(); + this.fragCurrent = frag; + this.hls.trigger(events["a" /* default */].FRAG_LOADING, { frag: frag }); + this.state = subtitle_stream_controller_State.FRAG_LOADING; + } + }; -function exportLoggerFunctions(debugConfig) { - for (var _len2 = arguments.length, functions = Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) { - functions[_key2 - 1] = arguments[_key2]; - } + // When fragment has finished processing, add sn to list of completed if successful. - functions.forEach(function (type) { - exportedLogger[type] = debugConfig[type] ? debugConfig[type].bind(debugConfig) : consolePrintFn(type); - }); -} -var enableLogs = exports.enableLogs = function enableLogs(debugConfig) { - if (debugConfig === true || (typeof debugConfig === 'undefined' ? 'undefined' : _typeof(debugConfig)) === 'object') { - exportLoggerFunctions(debugConfig, - // Remove out from list here to hard-disable a log-level - //'trace', - 'debug', 'log', 'info', 'warn', 'error'); - // Some browsers don't allow to use bind on console object anyway - // fallback to default if needed - try { - exportedLogger.log(); - } catch (e) { - exportedLogger = fakeLogger; + SubtitleStreamController.prototype.onSubtitleFragProcessed = function onSubtitleFragProcessed(data) { + if (data.success) { + this.vttFragSNsProcessed[data.frag.trackId].push(data.frag.sn); } - } else { - exportedLogger = fakeLogger; - } -}; + this.currentlyProcessing = null; + this.state = subtitle_stream_controller_State.IDLE; + this.nextFrag(); + }; -var logger = exports.logger = exportedLogger; + SubtitleStreamController.prototype.onMediaAttached = function onMediaAttached() { + this.state = subtitle_stream_controller_State.IDLE; + }; -},{}],54:[function(_dereq_,module,exports){ -'use strict'; + // If something goes wrong, procede to next frag, if we were processing one. -/** - * TimeRanges to string helper - */ -var TimeRanges = { - toString: function toString(r) { - var log = '', - len = r.length; - for (var i = 0; i < len; i++) { - log += '[' + r.start(i).toFixed(3) + ',' + r.end(i).toFixed(3) + ']'; + SubtitleStreamController.prototype.onError = function onError(data) { + var frag = data.frag; + // don't handle frag error not related to subtitle fragment + if (frag && frag.type !== 'subtitle') { + return; } - return log; - } -}; + if (this.currentlyProcessing) { + this.currentlyProcessing = null; + this.nextFrag(); + } + }; + + SubtitleStreamController.prototype.tick = function tick() { + var _this3 = this; + + this.ticks++; + if (this.ticks === 1) { + this.doTick(); + if (this.ticks > 1) { + setTimeout(function () { + _this3.tick(); + }, 1); + } + this.ticks = 0; + } + }; + + SubtitleStreamController.prototype.doTick = function doTick() { + var _this4 = this; -module.exports = TimeRanges; + switch (this.state) { + case subtitle_stream_controller_State.IDLE: + var tracks = this.tracks; + var trackId = this.currentTrackId; -},{}],55:[function(_dereq_,module,exports){ -'use strict'; + var processedFragSNs = this.vttFragSNsProcessed[trackId], + fragQueue = this.vttFragQueues[trackId], + currentFragSN = !!this.currentlyProcessing ? this.currentlyProcessing.sn : -1; + + var alreadyProcessed = function alreadyProcessed(frag) { + return processedFragSNs.indexOf(frag.sn) > -1; + }; + + var alreadyInQueue = function alreadyInQueue(frag) { + return fragQueue.some(function (fragInQueue) { + return fragInQueue.sn === frag.sn; + }); + }; + + // exit if tracks don't exist + if (!tracks) { + break; + } + var trackDetails; + + if (trackId < tracks.length) { + trackDetails = tracks[trackId].details; + } + + if (typeof trackDetails === 'undefined') { + break; + } + + // Add all fragments that haven't been, aren't currently being and aren't waiting to be processed, to queue. + trackDetails.fragments.forEach(function (frag) { + if (!(alreadyProcessed(frag) || frag.sn === currentFragSN || alreadyInQueue(frag))) { + // Load key if subtitles are encrypted + if (frag.decryptdata && frag.decryptdata.uri != null && frag.decryptdata.key == null) { + logger["b" /* logger */].log('Loading key for ' + frag.sn); + _this4.state = subtitle_stream_controller_State.KEY_LOADING; + _this4.hls.trigger(events["a" /* default */].KEY_LOADING, { frag: frag }); + } else { + // Frags don't know their subtitle track ID, so let's just add that... + frag.trackId = trackId; + fragQueue.push(frag); + _this4.nextFrag(); + } + } + }); + } + }; -Object.defineProperty(exports, "__esModule", { - value: true -}); + // Got all new subtitle tracks. -/** - * Copyright 2013 vtt.js Contributors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -exports.default = function () { - if (typeof window !== 'undefined' && window.VTTCue) { - return window.VTTCue; - } + SubtitleStreamController.prototype.onSubtitleTracksUpdated = function onSubtitleTracksUpdated(data) { + var _this5 = this; - var autoKeyword = 'auto'; - var directionSetting = { - '': true, - lr: true, - rl: true + logger["b" /* logger */].log('subtitle tracks updated'); + this.tracks = data.subtitleTracks; + this.clearVttFragQueues(); + this.vttFragSNsProcessed = {}; + this.tracks.forEach(function (track) { + _this5.vttFragSNsProcessed[track.id] = []; + }); }; - var alignSetting = { - start: true, - middle: true, - end: true, - left: true, - right: true + + SubtitleStreamController.prototype.onSubtitleTrackSwitch = function onSubtitleTrackSwitch(data) { + this.currentTrackId = data.id; + this.clearVttFragQueues(); }; - function findDirectionSetting(value) { - if (typeof value !== 'string') { - return false; - } - var dir = directionSetting[value.toLowerCase()]; - return dir ? value.toLowerCase() : false; - } + // Got a new set of subtitle fragments. - function findAlignSetting(value) { - if (typeof value !== 'string') { - return false; + + SubtitleStreamController.prototype.onSubtitleTrackLoaded = function onSubtitleTrackLoaded() { + this.tick(); + }; + + SubtitleStreamController.prototype.onKeyLoaded = function onKeyLoaded() { + if (this.state === subtitle_stream_controller_State.KEY_LOADING) { + this.state = subtitle_stream_controller_State.IDLE; + this.tick(); } - var align = alignSetting[value.toLowerCase()]; - return align ? value.toLowerCase() : false; - } + }; - function extend(obj) { - var i = 1; - for (; i < arguments.length; i++) { - var cobj = arguments[i]; - for (var p in cobj) { - obj[p] = cobj[p]; + SubtitleStreamController.prototype.onFragLoaded = function onFragLoaded(data) { + var fragCurrent = this.fragCurrent, + decryptData = data.frag.decryptdata; + var fragLoaded = data.frag, + hls = this.hls; + if (this.state === subtitle_stream_controller_State.FRAG_LOADING && fragCurrent && data.frag.type === 'subtitle' && fragCurrent.sn === data.frag.sn) { + // check to see if the payload needs to be decrypted + if (data.payload.byteLength > 0 && decryptData != null && decryptData.key != null && decryptData.method === 'AES-128') { + var startTime; + try { + startTime = performance.now(); + } catch (error) { + startTime = Date.now(); + } + // decrypt the subtitles + this.decrypter.decrypt(data.payload, decryptData.key.buffer, decryptData.iv.buffer, function (decryptedData) { + var endTime; + try { + endTime = performance.now(); + } catch (error) { + endTime = Date.now(); + } + hls.trigger(events["a" /* default */].FRAG_DECRYPTED, { frag: fragLoaded, payload: decryptedData, stats: { tstart: startTime, tdecrypt: endTime } }); + }); } } + }; - return obj; - } + return SubtitleStreamController; +}(event_handler); - function VTTCue(startTime, endTime, text) { - var cue = this; - var isIE8 = function () { - if (typeof navigator === 'undefined') { - return; - } - return (/MSIE\s8\.0/.test(navigator.userAgent) - ); - }(); - var baseObj = {}; +/* harmony default export */ var subtitle_stream_controller = (subtitle_stream_controller_SubtitleStreamController); +// CONCATENATED MODULE: ./src/config.js +/** + * HLS config + */ - if (isIE8) { - cue = document.createElement('custom'); - } else { - baseObj.enumerable = true; - } - /** - * Shim implementation specific properties. These properties are not in - * the spec. - */ - // Lets us know when the VTTCue's data has changed in such a way that we need - // to recompute its display state. This lets us compute its display state - // lazily. - cue.hasBeenReset = false; - /** - * VTTCue and TextTrackCue properties - * http://dev.w3.org/html5/webvtt/#vttcue-interface - */ - var _id = ''; - var _pauseOnExit = false; - var _startTime = startTime; - var _endTime = endTime; - var _text = text; - var _region = null; - var _vertical = ''; - var _snapToLines = true; - var _line = 'auto'; - var _lineAlign = 'start'; - var _position = 50; - var _positionAlign = 'middle'; - var _size = 50; - var _align = 'middle'; - Object.defineProperty(cue, 'id', extend({}, baseObj, { - get: function get() { - return _id; - }, - set: function set(value) { - _id = '' + value; - } - })); +//import FetchLoader from './utils/fetch-loader'; - Object.defineProperty(cue, 'pauseOnExit', extend({}, baseObj, { - get: function get() { - return _pauseOnExit; - }, - set: function set(value) { - _pauseOnExit = !!value; - } - })); - Object.defineProperty(cue, 'startTime', extend({}, baseObj, { - get: function get() { - return _startTime; - }, - set: function set(value) { - if (typeof value !== 'number') { - throw new TypeError('Start time must be set to a number.'); - } - _startTime = value; - this.hasBeenReset = true; - } - })); - Object.defineProperty(cue, 'endTime', extend({}, baseObj, { - get: function get() { - return _endTime; - }, - set: function set(value) { - if (typeof value !== 'number') { - throw new TypeError('End time must be set to a number.'); - } - _endTime = value; - this.hasBeenReset = true; - } - })); - Object.defineProperty(cue, 'text', extend({}, baseObj, { - get: function get() { - return _text; - }, - set: function set(value) { - _text = '' + value; - this.hasBeenReset = true; - } - })); - Object.defineProperty(cue, 'region', extend({}, baseObj, { - get: function get() { - return _region; - }, - set: function set(value) { - _region = value; - this.hasBeenReset = true; - } - })); - Object.defineProperty(cue, 'vertical', extend({}, baseObj, { - get: function get() { - return _vertical; - }, - set: function set(value) { - var setting = findDirectionSetting(value); - // Have to check for false because the setting an be an empty string. - if (setting === false) { - throw new SyntaxError('An invalid or illegal string was specified.'); - } - _vertical = setting; - this.hasBeenReset = true; - } - })); - Object.defineProperty(cue, 'snapToLines', extend({}, baseObj, { - get: function get() { - return _snapToLines; - }, - set: function set(value) { - _snapToLines = !!value; - this.hasBeenReset = true; - } - })); - Object.defineProperty(cue, 'line', extend({}, baseObj, { - get: function get() { - return _line; - }, - set: function set(value) { - if (typeof value !== 'number' && value !== autoKeyword) { - throw new SyntaxError('An invalid number or illegal string was specified.'); - } - _line = value; - this.hasBeenReset = true; - } - })); - Object.defineProperty(cue, 'lineAlign', extend({}, baseObj, { - get: function get() { - return _lineAlign; - }, - set: function set(value) { - var setting = findAlignSetting(value); - if (!setting) { - throw new SyntaxError('An invalid or illegal string was specified.'); - } - _lineAlign = setting; - this.hasBeenReset = true; - } - })); +var hlsDefaultConfig = { + autoStartLoad: true, // used by stream-controller + startPosition: -1, // used by stream-controller + defaultAudioCodec: undefined, // used by stream-controller + debug: false, // used by logger + capLevelOnFPSDrop: false, // used by fps-controller + capLevelToPlayerSize: false, // used by cap-level-controller + initialLiveManifestSize: 1, // used by stream-controller + maxBufferLength: 30, // used by stream-controller + maxBufferSize: 60 * 1000 * 1000, // used by stream-controller + maxBufferHole: 0.5, // used by stream-controller + maxSeekHole: 2, // used by stream-controller + lowBufferWatchdogPeriod: 0.5, // used by stream-controller + highBufferWatchdogPeriod: 3, // used by stream-controller + nudgeOffset: 0.1, // used by stream-controller + nudgeMaxRetry: 3, // used by stream-controller + maxFragLookUpTolerance: 0.25, // used by stream-controller + liveSyncDurationCount: 3, // used by stream-controller + liveMaxLatencyDurationCount: Infinity, // used by stream-controller + liveSyncDuration: undefined, // used by stream-controller + liveMaxLatencyDuration: undefined, // used by stream-controller + maxMaxBufferLength: 600, // used by stream-controller + enableWorker: true, // used by demuxer + enableSoftwareAES: true, // used by decrypter + manifestLoadingTimeOut: 10000, // used by playlist-loader + manifestLoadingMaxRetry: 1, // used by playlist-loader + manifestLoadingRetryDelay: 1000, // used by playlist-loader + manifestLoadingMaxRetryTimeout: 64000, // used by playlist-loader + startLevel: undefined, // used by level-controller + levelLoadingTimeOut: 10000, // used by playlist-loader + levelLoadingMaxRetry: 4, // used by playlist-loader + levelLoadingRetryDelay: 1000, // used by playlist-loader + levelLoadingMaxRetryTimeout: 64000, // used by playlist-loader + fragLoadingTimeOut: 20000, // used by fragment-loader + fragLoadingMaxRetry: 6, // used by fragment-loader + fragLoadingRetryDelay: 1000, // used by fragment-loader + fragLoadingMaxRetryTimeout: 64000, // used by fragment-loader + fragLoadingLoopThreshold: 3, // used by stream-controller + startFragPrefetch: false, // used by stream-controller + fpsDroppedMonitoringPeriod: 5000, // used by fps-controller + fpsDroppedMonitoringThreshold: 0.2, // used by fps-controller + appendErrorMaxRetry: 3, // used by buffer-controller + loader: xhr_loader, + //loader: FetchLoader, + fLoader: undefined, + pLoader: undefined, + xhrSetup: undefined, + fetchSetup: undefined, + abrController: abr_controller, + bufferController: buffer_controller, + capLevelController: cap_level_controller, + fpsController: fps_controller, + stretchShortVideoTrack: false, // used by mp4-remuxer + maxAudioFramesDrift: 1, // used by mp4-remuxer + forceKeyFrameOnDiscontinuity: true, // used by ts-demuxer + abrEwmaFastLive: 3, // used by abr-controller + abrEwmaSlowLive: 9, // used by abr-controller + abrEwmaFastVoD: 3, // used by abr-controller + abrEwmaSlowVoD: 9, // used by abr-controller + abrEwmaDefaultEstimate: 5e5, // 500 kbps // used by abr-controller + abrBandWidthFactor: 0.95, // used by abr-controller + abrBandWidthUpFactor: 0.7, // used by abr-controller + abrMaxWithRealBitrate: false, // used by abr-controller + maxStarvationDelay: 4, // used by abr-controller + maxLoadingDelay: 4, // used by abr-controller + minAutoBitrate: 0 // used by hls +}; + +if (true) { + hlsDefaultConfig.subtitleStreamController = subtitle_stream_controller; + hlsDefaultConfig.subtitleTrackController = subtitle_track_controller; + hlsDefaultConfig.timelineController = timeline_controller; + hlsDefaultConfig.cueHandler = cues_namespaceObject; + hlsDefaultConfig.enableCEA708Captions = true; // used by timeline-controller + hlsDefaultConfig.enableWebVTT = true; // used by timeline-controller + hlsDefaultConfig.captionsTextTrack1Label = 'English'; // used by timeline-controller + hlsDefaultConfig.captionsTextTrack1LanguageCode = 'en'; // used by timeline-controller + hlsDefaultConfig.captionsTextTrack2Label = 'Spanish'; // used by timeline-controller + hlsDefaultConfig.captionsTextTrack2LanguageCode = 'es'; // used by timeline-controller +} + +if (true) { + hlsDefaultConfig.audioStreamController = audio_stream_controller; + hlsDefaultConfig.audioTrackController = audio_track_controller; +} +// CONCATENATED MODULE: ./src/hls.js +var hls__createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); + +function hls__classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + +/** + * HLS interface + */ + + - Object.defineProperty(cue, 'position', extend({}, baseObj, { - get: function get() { - return _position; - }, - set: function set(value) { - if (value < 0 || value > 100) { - throw new Error('Position must be between 0 and 100.'); - } - _position = value; - this.hasBeenReset = true; - } - })); - Object.defineProperty(cue, 'positionAlign', extend({}, baseObj, { - get: function get() { - return _positionAlign; - }, - set: function set(value) { - var setting = findAlignSetting(value); - if (!setting) { - throw new SyntaxError('An invalid or illegal string was specified.'); - } - _positionAlign = setting; - this.hasBeenReset = true; - } - })); - Object.defineProperty(cue, 'size', extend({}, baseObj, { - get: function get() { - return _size; - }, - set: function set(value) { - if (value < 0 || value > 100) { - throw new Error('Size must be between 0 and 100.'); - } - _size = value; - this.hasBeenReset = true; - } - })); - Object.defineProperty(cue, 'align', extend({}, baseObj, { - get: function get() { - return _align; - }, - set: function set(value) { - var setting = findAlignSetting(value); - if (!setting) { - throw new SyntaxError('An invalid or illegal string was specified.'); - } - _align = setting; - this.hasBeenReset = true; - } - })); - /** - * Other <track> spec defined properties - */ - // http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#text-track-cue-display-state - cue.displayState = undefined; - if (isIE8) { - return cue; - } - } - /** - * VTTCue methods - */ - VTTCue.prototype.getCueAsHTML = function () { - // Assume WebVTT.convertCueToDOMTree is on the global. - var WebVTT = window.WebVTT; - return WebVTT.convertCueToDOMTree(window, this.text); - }; - return VTTCue; -}(); -},{}],56:[function(_dereq_,module,exports){ -'use strict'; -Object.defineProperty(exports, "__esModule", { - value: true -}); -exports.fixLineBreaks = undefined; -var _vttcue = _dereq_(55); -var _vttcue2 = _interopRequireDefault(_vttcue); +var hls_Hls = function () { + Hls.isSupported = function isSupported() { + var mediaSource = getMediaSource(); + var sourceBuffer = window.SourceBuffer || window.WebKitSourceBuffer; + var isTypeSupported = mediaSource && typeof mediaSource.isTypeSupported === 'function' && mediaSource.isTypeSupported('video/mp4; codecs="avc1.42E01E,mp4a.40.2"'); -function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + // if SourceBuffer is exposed ensure its API is valid + // safari and old version of Chrome doe not expose SourceBuffer globally so checking SourceBuffer.prototype is impossible + var sourceBufferValidAPI = !sourceBuffer || sourceBuffer.prototype && typeof sourceBuffer.prototype.appendBuffer === 'function' && typeof sourceBuffer.prototype.remove === 'function'; + return isTypeSupported && sourceBufferValidAPI; + }; -var StringDecoder = function StringDecoder() { - return { - decode: function decode(data) { - if (!data) { - return ''; - } - if (typeof data !== 'string') { - throw new Error('Error - expected string data.'); + hls__createClass(Hls, null, [{ + key: 'version', + get: function get() { + return "0.8.5"; + } + }, { + key: 'Events', + get: function get() { + return events["a" /* default */]; + } + }, { + key: 'ErrorTypes', + get: function get() { + return errors["b" /* ErrorTypes */]; + } + }, { + key: 'ErrorDetails', + get: function get() { + return errors["a" /* ErrorDetails */]; + } + }, { + key: 'DefaultConfig', + get: function get() { + if (!Hls.defaultConfig) { + return hlsDefaultConfig; } - return decodeURIComponent(encodeURIComponent(data)); + return Hls.defaultConfig; + }, + set: function set(defaultConfig) { + Hls.defaultConfig = defaultConfig; } - }; -}; /* - * Source: https://github.com/mozilla/vtt.js/blob/master/dist/vtt.js#L1716 - */ + }]); -function VTTParser() { - this.window = window; - this.state = 'INITIAL'; - this.buffer = ''; - this.decoder = new StringDecoder(); - this.regionList = []; -} + function Hls() { + var _this = this; -// Try to parse input as a time stamp. -function parseTimeStamp(input) { + var config = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; - function computeSeconds(h, m, s, f) { - return (h | 0) * 3600 + (m | 0) * 60 + (s | 0) + (f | 0) / 1000; - } + hls__classCallCheck(this, Hls); - var m = input.match(/^(\d+):(\d{2})(:\d{2})?\.(\d{3})/); - if (!m) { - return null; - } + var defaultConfig = Hls.DefaultConfig; - if (m[3]) { - // Timestamp takes the form of [hours]:[minutes]:[seconds].[milliseconds] - return computeSeconds(m[1], m[2], m[3].replace(':', ''), m[4]); - } else if (m[1] > 59) { - // Timestamp takes the form of [hours]:[minutes].[milliseconds] - // First position is hours as it's over 59. - return computeSeconds(m[1], m[2], 0, m[4]); - } else { - // Timestamp takes the form of [minutes]:[seconds].[milliseconds] - return computeSeconds(0, m[1], m[2], m[4]); - } -} + if ((config.liveSyncDurationCount || config.liveMaxLatencyDurationCount) && (config.liveSyncDuration || config.liveMaxLatencyDuration)) { + throw new Error('Illegal hls.js config: don\'t mix up liveSyncDurationCount/liveMaxLatencyDurationCount and liveSyncDuration/liveMaxLatencyDuration'); + } -// A settings object holds key/value pairs and will ignore anything but the first -// assignment to a specific key. -function Settings() { - this.values = Object.create(null); -} + for (var prop in defaultConfig) { + if (prop in config) { + continue; + } + config[prop] = defaultConfig[prop]; + } -Settings.prototype = { - // Only accept the first assignment to any key. - set: function set(k, v) { - if (!this.get(k) && v !== '') { - this.values[k] = v; + if (config.liveMaxLatencyDurationCount !== undefined && config.liveMaxLatencyDurationCount <= config.liveSyncDurationCount) { + throw new Error('Illegal hls.js config: "liveMaxLatencyDurationCount" must be gt "liveSyncDurationCount"'); } - }, - // Return the value for a key, or a default value. - // If 'defaultKey' is passed then 'dflt' is assumed to be an object with - // a number of possible default values as properties where 'defaultKey' is - // the key of the property that will be chosen; otherwise it's assumed to be - // a single value. - get: function get(k, dflt, defaultKey) { - if (defaultKey) { - return this.has(k) ? this.values[k] : dflt[defaultKey]; + + if (config.liveMaxLatencyDuration !== undefined && (config.liveMaxLatencyDuration <= config.liveSyncDuration || config.liveSyncDuration === undefined)) { + throw new Error('Illegal hls.js config: "liveMaxLatencyDuration" must be gt "liveSyncDuration"'); } - return this.has(k) ? this.values[k] : dflt; - }, - // Check whether we have a value for a key. - has: function has(k) { - return k in this.values; - }, - // Accept a setting if its one of the given alternatives. - alt: function alt(k, v, a) { - for (var n = 0; n < a.length; ++n) { - if (v === a[n]) { - this.set(k, v); - break; + + Object(logger["a" /* enableLogs */])(config.debug); + this.config = config; + this._autoLevelCapping = -1; + // observer setup + var observer = this.observer = new events_default.a(); + observer.trigger = function trigger(event) { + for (var _len = arguments.length, data = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) { + data[_key - 1] = arguments[_key]; + } + + observer.emit.apply(observer, [event, event].concat(data)); + }; + + observer.off = function off(event) { + for (var _len2 = arguments.length, data = Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) { + data[_key2 - 1] = arguments[_key2]; } + + observer.removeListener.apply(observer, [event].concat(data)); + }; + this.on = observer.on.bind(observer); + this.off = observer.off.bind(observer); + this.trigger = observer.trigger.bind(observer); + + // core controllers and network loaders + var abrController = this.abrController = new config.abrController(this); + var bufferController = new config.bufferController(this); + var capLevelController = new config.capLevelController(this); + var fpsController = new config.fpsController(this); + var playListLoader = new playlist_loader(this); + var fragmentLoader = new fragment_loader(this); + var keyLoader = new key_loader(this); + var id3TrackController = new id3_track_controller(this); + + // network controllers + var levelController = this.levelController = new level_controller(this); + var streamController = this.streamController = new stream_controller(this); + var networkControllers = [levelController, streamController]; + + // optional audio stream controller + var Controller = config.audioStreamController; + if (Controller) { + networkControllers.push(new Controller(this)); } - }, - // Accept a setting if its a valid (signed) integer. - integer: function integer(k, v) { - if (/^-?\d+$/.test(v)) { - // integer - this.set(k, parseInt(v, 10)); + this.networkControllers = networkControllers; + + var coreComponents = [playListLoader, fragmentLoader, keyLoader, abrController, bufferController, capLevelController, fpsController, id3TrackController]; + + // optional audio track and subtitle controller + Controller = config.audioTrackController; + if (Controller) { + var audioTrackController = new Controller(this); + this.audioTrackController = audioTrackController; + coreComponents.push(audioTrackController); } - }, - // Accept a setting if its a valid percentage. - percent: function percent(k, v) { - var m; - if (m = v.match(/^([\d]{1,3})(\.[\d]*)?%$/)) { - v = parseFloat(v); - if (v >= 0 && v <= 100) { - this.set(k, v); - return true; - } + + Controller = config.subtitleTrackController; + if (Controller) { + var subtitleTrackController = new Controller(this); + this.subtitleTrackController = subtitleTrackController; + coreComponents.push(subtitleTrackController); } - return false; + + // optional subtitle controller + [config.subtitleStreamController, config.timelineController].forEach(function (Controller) { + if (Controller) { + coreComponents.push(new Controller(_this)); + } + }); + this.coreComponents = coreComponents; } -}; -// Helper function to parse input into groups separated by 'groupDelim', and -// interprete each group as a key/value pair separated by 'keyValueDelim'. -function parseOptions(input, callback, keyValueDelim, groupDelim) { - var groups = groupDelim ? input.split(groupDelim) : [input]; - for (var i in groups) { - if (typeof groups[i] !== 'string') { - continue; - } - var kv = groups[i].split(keyValueDelim); - if (kv.length !== 2) { - continue; + Hls.prototype.destroy = function destroy() { + logger["b" /* logger */].log('destroy'); + this.trigger(events["a" /* default */].DESTROYING); + this.detachMedia(); + this.coreComponents.concat(this.networkControllers).forEach(function (component) { + component.destroy(); + }); + this.url = null; + this.observer.removeAllListeners(); + this._autoLevelCapping = -1; + }; + + Hls.prototype.attachMedia = function attachMedia(media) { + logger["b" /* logger */].log('attachMedia'); + this.media = media; + this.trigger(events["a" /* default */].MEDIA_ATTACHING, { media: media }); + }; + + Hls.prototype.detachMedia = function detachMedia() { + logger["b" /* logger */].log('detachMedia'); + this.trigger(events["a" /* default */].MEDIA_DETACHING); + this.media = null; + }; + + Hls.prototype.loadSource = function loadSource(url) { + url = url_toolkit_default.a.buildAbsoluteURL(window.location.href, url, { alwaysNormalize: true }); + logger["b" /* logger */].log('loadSource:' + url); + this.url = url; + // when attaching to a source URL, trigger a playlist load + this.trigger(events["a" /* default */].MANIFEST_LOADING, { url: url }); + }; + + Hls.prototype.startLoad = function startLoad() { + var startPosition = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : -1; + + logger["b" /* logger */].log('startLoad(' + startPosition + ')'); + this.networkControllers.forEach(function (controller) { + controller.startLoad(startPosition); + }); + }; + + Hls.prototype.stopLoad = function stopLoad() { + logger["b" /* logger */].log('stopLoad'); + this.networkControllers.forEach(function (controller) { + controller.stopLoad(); + }); + }; + + Hls.prototype.swapAudioCodec = function swapAudioCodec() { + logger["b" /* logger */].log('swapAudioCodec'); + this.streamController.swapAudioCodec(); + }; + + Hls.prototype.recoverMediaError = function recoverMediaError() { + logger["b" /* logger */].log('recoverMediaError'); + var media = this.media; + this.detachMedia(); + this.attachMedia(media); + }; + + /** Return all quality levels **/ + + + hls__createClass(Hls, [{ + key: 'levels', + get: function get() { + return this.levelController.levels; } - var k = kv[0]; - var v = kv[1]; - callback(k, v); - } -} -var defaults = new _vttcue2.default(0, 0, 0); -// 'middle' was changed to 'center' in the spec: https://github.com/w3c/webvtt/pull/244 -// Chrome and Safari don't yet support this change, but FF does -var center = defaults.align === 'middle' ? 'middle' : 'center'; + /** Return current playback quality level **/ -function parseCue(input, cue, regionList) { - // Remember the original input if we need to throw an error. - var oInput = input; - // 4.1 WebVTT timestamp - function consumeTimeStamp() { - var ts = parseTimeStamp(input); - if (ts === null) { - throw new Error('Malformed timestamp: ' + oInput); + }, { + key: 'currentLevel', + get: function get() { + return this.streamController.currentLevel; } - // Remove time stamp from input. - input = input.replace(/^[^\sa-zA-Z-]+/, ''); - return ts; - } - // 4.4.2 WebVTT cue settings - function consumeCueSettings(input, cue) { - var settings = new Settings(); + /* set quality level immediately (-1 for automatic level selection) */ + , + set: function set(newLevel) { + logger["b" /* logger */].log('set currentLevel:' + newLevel); + this.loadLevel = newLevel; + this.streamController.immediateLevelSwitch(); + } - parseOptions(input, function (k, v) { - switch (k) { - case 'region': - // Find the last region we parsed with the same region id. - for (var i = regionList.length - 1; i >= 0; i--) { - if (regionList[i].id === v) { - settings.set(k, regionList[i].region); - break; - } - } - break; - case 'vertical': - settings.alt(k, v, ['rl', 'lr']); - break; - case 'line': - var vals = v.split(','), - vals0 = vals[0]; - settings.integer(k, vals0); - if (settings.percent(k, vals0)) { - settings.set('snapToLines', false); - } - settings.alt(k, vals0, ['auto']); - if (vals.length === 2) { - settings.alt('lineAlign', vals[1], ['start', center, 'end']); - } - break; - case 'position': - vals = v.split(','); - settings.percent(k, vals[0]); - if (vals.length === 2) { - settings.alt('positionAlign', vals[1], ['start', center, 'end', 'line-left', 'line-right', 'auto']); - } - break; - case 'size': - settings.percent(k, v); - break; - case 'align': - settings.alt(k, v, ['start', center, 'end', 'left', 'right']); - break; - } - }, /:/, /\s/); + /** Return next playback quality level (quality level of next fragment) **/ - // Apply default values for any missing fields. - cue.region = settings.get('region', null); - cue.vertical = settings.get('vertical', ''); - var line = settings.get('line', 'auto'); - if (line === 'auto' && defaults.line === -1) { - // set numeric line number for Safari - line = -1; + }, { + key: 'nextLevel', + get: function get() { + return this.streamController.nextLevel; } - cue.line = line; - cue.lineAlign = settings.get('lineAlign', 'start'); - cue.snapToLines = settings.get('snapToLines', true); - cue.size = settings.get('size', 100); - cue.align = settings.get('align', center); - var position = settings.get('position', 'auto'); - if (position === 'auto' && defaults.position === 50) { - // set numeric position for Safari - position = cue.align === 'start' || cue.align === 'left' ? 0 : cue.align === 'end' || cue.align === 'right' ? 100 : 50; + + /* set quality level for next fragment (-1 for automatic level selection) */ + , + set: function set(newLevel) { + logger["b" /* logger */].log('set nextLevel:' + newLevel); + this.levelController.manualLevel = newLevel; + this.streamController.nextLevelSwitch(); } - cue.position = position; - } - function skipWhitespace() { - input = input.replace(/^\s+/, ''); - } + /** Return the quality level of current/last loaded fragment **/ - // 4.1 WebVTT cue timings. - skipWhitespace(); - cue.startTime = consumeTimeStamp(); // (1) collect cue start time - skipWhitespace(); - if (input.substr(0, 3) !== '-->') { - // (3) next characters must match '-->' - throw new Error('Malformed time stamp (time stamps must be separated by \'-->\'): ' + oInput); - } - input = input.substr(3); - skipWhitespace(); - cue.endTime = consumeTimeStamp(); // (5) collect cue end time + }, { + key: 'loadLevel', + get: function get() { + return this.levelController.level; + } - // 4.1 WebVTT cue settings list. - skipWhitespace(); - consumeCueSettings(input, cue); -} + /* set quality level for current/next loaded fragment (-1 for automatic level selection) */ + , + set: function set(newLevel) { + logger["b" /* logger */].log('set loadLevel:' + newLevel); + this.levelController.manualLevel = newLevel; + } -function fixLineBreaks(input) { - return input.replace(/<br(?: \/)?>/gi, '\n'); -} + /** Return the quality level of next loaded fragment **/ -VTTParser.prototype = { - parse: function parse(data) { - var self = this; + }, { + key: 'nextLoadLevel', + get: function get() { + return this.levelController.nextLoadLevel; + } - // If there is no data then we won't decode it, but will just try to parse - // whatever is in buffer already. This may occur in circumstances, for - // example when flush() is called. - if (data) { - // Try to decode the data that we received. - self.buffer += self.decoder.decode(data, { stream: true }); + /** set quality level of next loaded fragment **/ + , + set: function set(level) { + this.levelController.nextLoadLevel = level; } - function collectNextLine() { - var buffer = self.buffer; - var pos = 0; + /** Return first level (index of first level referenced in manifest) + **/ - buffer = fixLineBreaks(buffer); + }, { + key: 'firstLevel', + get: function get() { + return Math.max(this.levelController.firstLevel, this.minAutoLevel); + } - while (pos < buffer.length && buffer[pos] !== '\r' && buffer[pos] !== '\n') { - ++pos; - } - var line = buffer.substr(0, pos); - // Advance the buffer early in case we fail below. - if (buffer[pos] === '\r') { - ++pos; - } - if (buffer[pos] === '\n') { - ++pos; - } - self.buffer = buffer.substr(pos); - return line; + /** set first level (index of first level referenced in manifest) + **/ + , + set: function set(newLevel) { + logger["b" /* logger */].log('set firstLevel:' + newLevel); + this.levelController.firstLevel = newLevel; } - // 3.2 WebVTT metadata header syntax - function parseHeader(input) { - parseOptions(input, function (k, v) { - switch (k) { - case 'Region': - // 3.3 WebVTT region metadata header syntax - console.log('parse region', v); - //parseRegion(v); - break; - } - }, /:/); + /** Return start level (level of first fragment that will be played back) + if not overrided by user, first level appearing in manifest will be used as start level + if -1 : automatic start level selection, playback will start from level matching download bandwidth (determined from download of first segment) + **/ + + }, { + key: 'startLevel', + get: function get() { + return this.levelController.startLevel; } - // 5.1 WebVTT file parsing. - try { - var line; - if (self.state === 'INITIAL') { - // We can't start parsing until we have the first line. - if (!/\r\n|\n/.test(self.buffer)) { - return this; - } + /** set start level (level of first fragment that will be played back) + if not overrided by user, first level appearing in manifest will be used as start level + if -1 : automatic start level selection, playback will start from level matching download bandwidth (determined from download of first segment) + **/ + , + set: function set(newLevel) { + logger["b" /* logger */].log('set startLevel:' + newLevel); + var hls = this; + // if not in automatic start level detection, ensure startLevel is greater than minAutoLevel + if (newLevel !== -1) { + newLevel = Math.max(newLevel, hls.minAutoLevel); + } + hls.levelController.startLevel = newLevel; + } - line = collectNextLine(); + /** Return the capping/max level value that could be used by automatic level selection algorithm **/ - var m = line.match(/^WEBVTT([ \t].*)?$/); - if (!m || !m[0]) { - throw new Error('Malformed WebVTT signature.'); - } + }, { + key: 'autoLevelCapping', + get: function get() { + return this._autoLevelCapping; + } - self.state = 'HEADER'; - } + /** set the capping/max level value that could be used by automatic level selection algorithm **/ + , + set: function set(newLevel) { + logger["b" /* logger */].log('set autoLevelCapping:' + newLevel); + this._autoLevelCapping = newLevel; + } - var alreadyCollectedLine = false; - while (self.buffer) { - // We can't parse a line until we have the full line. - if (!/\r\n|\n/.test(self.buffer)) { - return this; - } + /* check if we are in automatic level selection mode */ - if (!alreadyCollectedLine) { - line = collectNextLine(); - } else { - alreadyCollectedLine = false; - } + }, { + key: 'autoLevelEnabled', + get: function get() { + return this.levelController.manualLevel === -1; + } - switch (self.state) { - case 'HEADER': - // 13-18 - Allow a header (metadata) under the WEBVTT line. - if (/:/.test(line)) { - parseHeader(line); - } else if (!line) { - // An empty line terminates the header and starts the body (cues). - self.state = 'ID'; - } - continue; - case 'NOTE': - // Ignore NOTE blocks. - if (!line) { - self.state = 'ID'; - } - continue; - case 'ID': - // Check for the start of NOTE blocks. - if (/^NOTE($|[ \t])/.test(line)) { - self.state = 'NOTE'; - break; - } - // 19-29 - Allow any number of line terminators, then initialize new cue values. - if (!line) { - continue; - } - self.cue = new _vttcue2.default(0, 0, ''); - self.state = 'CUE'; - // 30-39 - Check if self line contains an optional identifier or timing data. - if (line.indexOf('-->') === -1) { - self.cue.id = line; - continue; - } - // Process line as start of a cue. - /*falls through*/ - case 'CUE': - // 40 - Collect cue timings and settings. - try { - parseCue(line, self.cue, self.regionList); - } catch (e) { - // In case of an error ignore rest of the cue. - self.cue = null; - self.state = 'BADCUE'; - continue; - } - self.state = 'CUETEXT'; - continue; - case 'CUETEXT': - var hasSubstring = line.indexOf('-->') !== -1; - // 34 - If we have an empty line then report the cue. - // 35 - If we have the special substring '-->' then report the cue, - // but do not collect the line as we need to process the current - // one as a new cue. - if (!line || hasSubstring && (alreadyCollectedLine = true)) { - // We are done parsing self cue. - if (self.oncue) { - self.oncue(self.cue); - } - self.cue = null; - self.state = 'ID'; - continue; - } - if (self.cue.text) { - self.cue.text += '\n'; - } - self.cue.text += line; - continue; - case 'BADCUE': - // BADCUE - // 54-62 - Collect and discard the remaining cue. - if (!line) { - self.state = 'ID'; - } - continue; - } - } - } catch (e) { + /* return manual level */ - // If we are currently parsing a cue, report what we have. - if (self.state === 'CUETEXT' && self.cue && self.oncue) { - self.oncue(self.cue); - } - self.cue = null; - // Enter BADWEBVTT state if header was not parsed correctly otherwise - // another exception occurred so enter BADCUE state. - self.state = self.state === 'INITIAL' ? 'BADWEBVTT' : 'BADCUE'; + }, { + key: 'manualLevel', + get: function get() { + return this.levelController.manualLevel; } - return this; - }, - flush: function flush() { - var self = this; - try { - // Finish decoding the stream. - self.buffer += self.decoder.decode(); - // Synthesize the end of the current cue or region. - if (self.cue || self.state === 'HEADER') { - self.buffer += '\n\n'; - self.parse(); - } - // If we've flushed, parsed, and we're still on the INITIAL state then - // that means we don't have enough of the stream to parse the first - // line. - if (self.state === 'INITIAL') { - throw new Error('Malformed WebVTT signature.'); + + /* return min level selectable in auto mode according to config.minAutoBitrate */ + + }, { + key: 'minAutoLevel', + get: function get() { + var hls = this, + levels = hls.levels, + minAutoBitrate = hls.config.minAutoBitrate, + len = levels ? levels.length : 0; + for (var i = 0; i < len; i++) { + var levelNextBitrate = levels[i].realBitrate ? Math.max(levels[i].realBitrate, levels[i].bitrate) : levels[i].bitrate; + if (levelNextBitrate > minAutoBitrate) { + return i; + } } - } catch (e) { - throw e; - } - if (self.onflush) { - self.onflush(); + return 0; } - return this; - } -}; -exports.fixLineBreaks = fixLineBreaks; -exports.default = VTTParser; - -},{"55":55}],57:[function(_dereq_,module,exports){ -'use strict'; + /* return max level selectable in auto mode according to autoLevelCapping */ -var _vttparser = _dereq_(56); + }, { + key: 'maxAutoLevel', + get: function get() { + var hls = this; + var levels = hls.levels; + var autoLevelCapping = hls.autoLevelCapping; + var maxAutoLevel = void 0; + if (autoLevelCapping === -1 && levels && levels.length) { + maxAutoLevel = levels.length - 1; + } else { + maxAutoLevel = autoLevelCapping; + } + return maxAutoLevel; + } -var _vttparser2 = _interopRequireDefault(_vttparser); + // return next auto level -function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + }, { + key: 'nextAutoLevel', + get: function get() { + var hls = this; + // ensure next auto level is between min and max auto level + return Math.min(Math.max(hls.abrController.nextAutoLevel, hls.minAutoLevel), hls.maxAutoLevel); + } -// String.prototype.startsWith is not supported in IE11 -var startsWith = function startsWith(inputString, searchString, position) { - return inputString.substr(position || 0, searchString.length) === searchString; -}; + // this setter is used to force next auto level + // this is useful to force a switch down in auto mode : in case of load error on level N, hls.js can set nextAutoLevel to N-1 for example) + // forced value is valid for one fragment. upon succesful frag loading at forced level, this value will be resetted to -1 by ABR controller + , + set: function set(nextLevel) { + var hls = this; + hls.abrController.nextAutoLevel = Math.max(hls.minAutoLevel, nextLevel); + } -var cueString2millis = function cueString2millis(timeString) { - var ts = parseInt(timeString.substr(-3)); - var secs = parseInt(timeString.substr(-6, 2)); - var mins = parseInt(timeString.substr(-9, 2)); - var hours = timeString.length > 9 ? parseInt(timeString.substr(0, timeString.indexOf(':'))) : 0; + /** get alternate audio tracks list from playlist **/ - if (isNaN(ts) || isNaN(secs) || isNaN(mins) || isNaN(hours)) { - return -1; + }, { + key: 'audioTracks', + get: function get() { + var audioTrackController = this.audioTrackController; + return audioTrackController ? audioTrackController.audioTracks : []; } - ts += 1000 * secs; - ts += 60 * 1000 * mins; - ts += 60 * 60 * 1000 * hours; + /** get index of the selected audio track (index in audio track lists) **/ - return ts; -}; + }, { + key: 'audioTrack', + get: function get() { + var audioTrackController = this.audioTrackController; + return audioTrackController ? audioTrackController.audioTrack : -1; + } -// From https://github.com/darkskyapp/string-hash -var hash = function hash(text) { - var hash = 5381; - var i = text.length; - while (i) { - hash = hash * 33 ^ text.charCodeAt(--i); + /** select an audio track, based on its index in audio track lists**/ + , + set: function set(audioTrackId) { + var audioTrackController = this.audioTrackController; + if (audioTrackController) { + audioTrackController.audioTrack = audioTrackId; + } + } + }, { + key: 'liveSyncPosition', + get: function get() { + return this.streamController.liveSyncPosition; } - return (hash >>> 0).toString(); -}; -var calculateOffset = function calculateOffset(vttCCs, cc, presentationTime) { - var currCC = vttCCs[cc]; - var prevCC = vttCCs[currCC.prevCC]; + /** get alternate subtitle tracks list from playlist **/ - // This is the first discontinuity or cues have been processed since the last discontinuity - // Offset = current discontinuity time - if (!prevCC || !prevCC.new && currCC.new) { - vttCCs.ccOffset = vttCCs.presentationOffset = currCC.start; - currCC.new = false; - return; + }, { + key: 'subtitleTracks', + get: function get() { + var subtitleTrackController = this.subtitleTrackController; + return subtitleTrackController ? subtitleTrackController.subtitleTracks : []; } - // There have been discontinuities since cues were last parsed. - // Offset = time elapsed - while (prevCC && prevCC.new) { - vttCCs.ccOffset += currCC.start - prevCC.start; - currCC.new = false; - currCC = prevCC; - prevCC = vttCCs[currCC.prevCC]; + /** get index of the selected subtitle track (index in subtitle track lists) **/ + + }, { + key: 'subtitleTrack', + get: function get() { + var subtitleTrackController = this.subtitleTrackController; + return subtitleTrackController ? subtitleTrackController.subtitleTrack : -1; } - vttCCs.presentationOffset = presentationTime; -}; + /** select an subtitle track, based on its index in subtitle track lists**/ + , + set: function set(subtitleTrackId) { + var subtitleTrackController = this.subtitleTrackController; + if (subtitleTrackController) { + subtitleTrackController.subtitleTrack = subtitleTrackId; + } + } + }, { + key: 'subtitleDisplay', + get: function get() { + var subtitleTrackController = this.subtitleTrackController; + return subtitleTrackController ? subtitleTrackController.subtitleDisplay : false; + }, + set: function set(value) { + var subtitleTrackController = this.subtitleTrackController; + if (subtitleTrackController) { + subtitleTrackController.subtitleDisplay = value; + } + } + }]); -var WebVTTParser = { - parse: function parse(vttByteArray, syncPTS, vttCCs, cc, callBack, errorCallBack) { - // Convert byteArray into string, replacing any somewhat exotic linefeeds with "\n", then split on that character. - var re = /\r\n|\n\r|\n|\r/g; - var vttLines = String.fromCharCode.apply(null, new Uint8Array(vttByteArray)).trim().replace(re, '\n').split('\n'); - var cueTime = '00:00.000'; - var mpegTs = 0; - var localTime = 0; - var presentationTime = 0; - var cues = []; - var parsingError = void 0; - var inHeader = true; - // let VTTCue = VTTCue || window.TextTrackCue; + return Hls; +}(); - // Create parser object using VTTCue with TextTrackCue fallback on certain browsers. - var parser = new _vttparser2.default(); +/* harmony default export */ var src_hls = __webpack_exports__["default"] = (hls_Hls); - parser.oncue = function (cue) { - // Adjust cue timing; clamp cues to start no earlier than - and drop cues that don't end after - 0 on timeline. - var currCC = vttCCs[cc]; - var cueOffset = vttCCs.ccOffset; +/***/ }), +/* 9 */ +/***/ (function(module, exports, __webpack_require__) { - // Update offsets for new discontinuities - if (currCC && currCC.new) { - if (localTime !== undefined) { - // When local time is provided, offset = discontinuity start time - local time - cueOffset = vttCCs.ccOffset = currCC.start; - } else { - calculateOffset(vttCCs, cc, presentationTime); - } - } +function webpackBootstrapFunc (modules) { +/******/ // The module cache +/******/ var installedModules = {}; + +/******/ // The require function +/******/ function __webpack_require__(moduleId) { + +/******/ // Check if module is in cache +/******/ if(installedModules[moduleId]) +/******/ return installedModules[moduleId].exports; + +/******/ // Create a new module (and put it into the cache) +/******/ var module = installedModules[moduleId] = { +/******/ i: moduleId, +/******/ l: false, +/******/ exports: {} +/******/ }; + +/******/ // Execute the module function +/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__); + +/******/ // Flag the module as loaded +/******/ module.l = true; + +/******/ // Return the exports of the module +/******/ return module.exports; +/******/ } + +/******/ // expose the modules object (__webpack_modules__) +/******/ __webpack_require__.m = modules; + +/******/ // expose the module cache +/******/ __webpack_require__.c = installedModules; + +/******/ // identity function for calling harmony imports with the correct context +/******/ __webpack_require__.i = function(value) { return value; }; + +/******/ // define getter function for harmony exports +/******/ __webpack_require__.d = function(exports, name, getter) { +/******/ if(!__webpack_require__.o(exports, name)) { +/******/ Object.defineProperty(exports, name, { +/******/ configurable: false, +/******/ enumerable: true, +/******/ get: getter +/******/ }); +/******/ } +/******/ }; + +/******/ // getDefaultExport function for compatibility with non-harmony modules +/******/ __webpack_require__.n = function(module) { +/******/ var getter = module && module.__esModule ? +/******/ function getDefault() { return module['default']; } : +/******/ function getModuleExports() { return module; }; +/******/ __webpack_require__.d(getter, 'a', getter); +/******/ return getter; +/******/ }; + +/******/ // Object.prototype.hasOwnProperty.call +/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); }; + +/******/ // __webpack_public_path__ +/******/ __webpack_require__.p = "/"; + +/******/ // on error function for async loading +/******/ __webpack_require__.oe = function(err) { console.error(err); throw err; }; + + var f = __webpack_require__(__webpack_require__.s = ENTRY_MODULE) + return f.default || f // try to call default if defined to also support babel esmodule exports +} - if (presentationTime) { - // If we have MPEGTS, offset = presentation time + discontinuity offset - cueOffset = presentationTime + vttCCs.ccOffset - vttCCs.presentationOffset; - } +// http://stackoverflow.com/a/2593661/130442 +function quoteRegExp (str) { + return (str + '').replace(/[.?*+^$[\]\\(){}|-]/g, '\\$&') +} - cue.startTime += cueOffset - localTime; - cue.endTime += cueOffset - localTime; +function getModuleDependencies (module) { + var retval = [] + var fnString = module.toString() + var wrapperSignature = fnString.match(/^function\s?\(\w+,\s*\w+,\s*(\w+)\)/) + if (!wrapperSignature) return retval - // Create a unique hash id for a cue based on start/end times and text. - // This helps timeline-controller to avoid showing repeated captions. - cue.id = hash(cue.startTime) + hash(cue.endTime) + hash(cue.text); + var webpackRequireName = wrapperSignature[1] + var re = new RegExp('(\\\\n|\\W)' + quoteRegExp(webpackRequireName) + '\\((\/\\*.*?\\*\/)?\s?.*?([\\.|\\-|\\w|\/|@]+).*?\\)', 'g') // additional chars when output.pathinfo is true + var match + while ((match = re.exec(fnString))) { + retval.push(match[3]) + } + return retval +} - // Fix encoding of special characters. TODO: Test with all sorts of weird characters. - cue.text = decodeURIComponent(escape(cue.text)); - if (cue.endTime > 0) { - cues.push(cue); - } - }; +function getRequiredModules (sources, moduleId) { + var modulesQueue = [moduleId] + var requiredModules = [] + var seenModules = {} - parser.onparsingerror = function (e) { - parsingError = e; - }; + while (modulesQueue.length) { + var moduleToCheck = modulesQueue.pop() + if (seenModules[moduleToCheck] || !sources[moduleToCheck]) continue + seenModules[moduleToCheck] = true + requiredModules.push(moduleToCheck) + var newModules = getModuleDependencies(sources[moduleToCheck]) + modulesQueue = modulesQueue.concat(newModules) + } - parser.onflush = function () { - if (parsingError && errorCallBack) { - errorCallBack(parsingError); - return; - } - callBack(cues); - }; + return requiredModules +} - // Go through contents line by line. - vttLines.forEach(function (line) { - if (inHeader) { - // Look for X-TIMESTAMP-MAP in header. - if (startsWith(line, 'X-TIMESTAMP-MAP=')) { - // Once found, no more are allowed anyway, so stop searching. - inHeader = false; - // Extract LOCAL and MPEGTS. - line.substr(16).split(',').forEach(function (timestamp) { - if (startsWith(timestamp, 'LOCAL:')) { - cueTime = timestamp.substr(6); - } else if (startsWith(timestamp, 'MPEGTS:')) { - mpegTs = parseInt(timestamp.substr(7)); - } - }); - try { - // Calculate subtitle offset in milliseconds. - // If sync PTS is less than zero, we have a 33-bit wraparound, which is fixed by adding 2^33 = 8589934592. - syncPTS = syncPTS < 0 ? syncPTS + 8589934592 : syncPTS; - // Adjust MPEGTS by sync PTS. - mpegTs -= syncPTS; - // Convert cue time to seconds - localTime = cueString2millis(cueTime) / 1000; - // Convert MPEGTS to seconds from 90kHz. - presentationTime = mpegTs / 90000; +module.exports = function (moduleId, options) { + options = options || {} + var sources = __webpack_require__.m - if (localTime === -1) { - parsingError = new Error('Malformed X-TIMESTAMP-MAP: ' + line); - } - } catch (e) { - parsingError = new Error('Malformed X-TIMESTAMP-MAP: ' + line); - } - // Return without parsing X-TIMESTAMP-MAP line. - return; - } else if (line === '') { - inHeader = false; - } - } - // Parse line by default. - parser.parse(line + '\n'); - }); + var requiredModules = options.all ? Object.keys(sources) : getRequiredModules(sources, moduleId) + var src = '(' + webpackBootstrapFunc.toString().replace('ENTRY_MODULE', JSON.stringify(moduleId)) + ')({' + requiredModules.map(function (id) { return '' + JSON.stringify(id) + ': ' + sources[id].toString() }).join(',') + '})(self);' - parser.flush(); - } -}; + var blob = new window.Blob([src], { type: 'text/javascript' }) + if (options.bare) { return blob } -module.exports = WebVTTParser; + var URL = window.URL || window.webkitURL || window.mozURL || window.msURL -},{"56":56}],58:[function(_dereq_,module,exports){ -'use strict'; + var workerUrl = URL.createObjectURL(blob) + var worker = new window.Worker(workerUrl) + worker.objectURL = workerUrl -Object.defineProperty(exports, "__esModule", { - value: true -}); + return worker +} -var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); /** - * XHR based logger - */ -var _logger = _dereq_(53); +/***/ }), +/* 10 */ +/***/ (function(module, __webpack_exports__, __webpack_require__) { -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } +"use strict"; +Object.defineProperty(__webpack_exports__, "__esModule", { value: true }); +/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0__demux_demuxer_inline__ = __webpack_require__(7); +/* harmony import */ var __WEBPACK_IMPORTED_MODULE_1__events__ = __webpack_require__(1); +/* harmony import */ var __WEBPACK_IMPORTED_MODULE_2__utils_logger__ = __webpack_require__(0); +/* harmony import */ var __WEBPACK_IMPORTED_MODULE_3_events__ = __webpack_require__(5); +/* harmony import */ var __WEBPACK_IMPORTED_MODULE_3_events___default = __webpack_require__.n(__WEBPACK_IMPORTED_MODULE_3_events__); +/* demuxer web worker. + * - listen to worker message, and trigger DemuxerInline upon reception of Fragments. + * - provides MP4 Boxes back to main thread using [transferable objects](https://developers.google.com/web/updates/2011/12/Transferable-Objects-Lightning-Fast) in order to minimize message passing overhead. + */ -var XhrLoader = function () { - function XhrLoader(config) { - _classCallCheck(this, XhrLoader); - if (config && config.xhrSetup) { - this.xhrSetup = config.xhrSetup; - } - } - _createClass(XhrLoader, [{ - key: 'destroy', - value: function destroy() { - this.abort(); - this.loader = null; - } - }, { - key: 'abort', - value: function abort() { - var loader = this.loader; - if (loader && loader.readyState !== 4) { - this.stats.aborted = true; - loader.abort(); - } - window.clearTimeout(this.requestTimeout); - this.requestTimeout = null; - window.clearTimeout(this.retryTimeout); - this.retryTimeout = null; - } - }, { - key: 'load', - value: function load(context, config, callbacks) { - this.context = context; - this.config = config; - this.callbacks = callbacks; - this.stats = { trequest: performance.now(), retry: 0 }; - this.retryDelay = config.retryDelay; - this.loadInternal(); - } - }, { - key: 'loadInternal', - value: function loadInternal() { - var xhr, - context = this.context; - if (typeof XDomainRequest !== 'undefined') { - xhr = this.loader = new XDomainRequest(); - } else { - xhr = this.loader = new XMLHttpRequest(); - } - var stats = this.stats; - stats.tfirst = 0; - stats.loaded = 0; - var xhrSetup = this.xhrSetup; - try { - if (xhrSetup) { - try { - xhrSetup(xhr, context.url); - } catch (e) { - // fix xhrSetup: (xhr, url) => {xhr.setRequestHeader("Content-Language", "test");} - // not working, as xhr.setRequestHeader expects xhr.readyState === OPEN - xhr.open('GET', context.url, true); - xhrSetup(xhr, context.url); - } - } - if (!xhr.readyState) { - xhr.open('GET', context.url, true); - } - } catch (e) { - // IE11 throws an exception on xhr.open if attempting to access an HTTP resource over HTTPS - this.callbacks.onError({ code: xhr.status, text: e.message }, context); - return; - } +var DemuxerWorker = function DemuxerWorker(self) { + // observer setup + var observer = new __WEBPACK_IMPORTED_MODULE_3_events___default.a(); + observer.trigger = function trigger(event) { + for (var _len = arguments.length, data = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) { + data[_key - 1] = arguments[_key]; + } - if (context.rangeEnd) { - xhr.setRequestHeader('Range', 'bytes=' + context.rangeStart + '-' + (context.rangeEnd - 1)); - } - xhr.onreadystatechange = this.readystatechange.bind(this); - xhr.onprogress = this.loadprogress.bind(this); - xhr.responseType = context.responseType; + observer.emit.apply(observer, [event, event].concat(data)); + }; - // setup timeout before we perform request - this.requestTimeout = window.setTimeout(this.loadtimeout.bind(this), this.config.timeout); - xhr.send(); + observer.off = function off(event) { + for (var _len2 = arguments.length, data = Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) { + data[_key2 - 1] = arguments[_key2]; } - }, { - key: 'readystatechange', - value: function readystatechange(event) { - var xhr = event.currentTarget, - readyState = xhr.readyState, - stats = this.stats, - context = this.context, - config = this.config; - // don't proceed if xhr has been aborted - if (stats.aborted) { - return; - } + observer.removeListener.apply(observer, [event].concat(data)); + }; - // >= HEADERS_RECEIVED - if (readyState >= 2) { - // clear xhr timeout and rearm it if readyState less than 4 - window.clearTimeout(this.requestTimeout); - if (stats.tfirst === 0) { - stats.tfirst = Math.max(performance.now(), stats.trequest); - } - if (readyState === 4) { - var status = xhr.status; - // http status between 200 to 299 are all successful - if (status >= 200 && status < 300) { - stats.tload = Math.max(stats.tfirst, performance.now()); - var data = void 0, - len = void 0; - if (context.responseType === 'arraybuffer') { - data = xhr.response; - len = data.byteLength; - } else { - data = xhr.responseText; - len = data.length; - } - stats.loaded = stats.total = len; - var response = { url: xhr.responseURL, data: data }; - this.callbacks.onSuccess(response, stats, context); - } else { - // if max nb of retries reached or if http status between 400 and 499 (such error cannot be recovered, retrying is useless), return error - if (stats.retry >= config.maxRetry || status >= 400 && status < 499) { - _logger.logger.error(status + ' while loading ' + context.url); - this.callbacks.onError({ code: status, text: xhr.statusText }, context); - } else { - // retry - _logger.logger.warn(status + ' while loading ' + context.url + ', retrying in ' + this.retryDelay + '...'); - // aborts and resets internal state - this.destroy(); - // schedule retry - this.retryTimeout = window.setTimeout(this.loadInternal.bind(this), this.retryDelay); - // set exponential backoff - this.retryDelay = Math.min(2 * this.retryDelay, config.maxRetryDelay); - stats.retry++; - } - } - } else { - // readyState >= 2 AND readyState !==4 (readyState = HEADERS_RECEIVED || LOADING) rearm timeout as xhr not finished yet - this.requestTimeout = window.setTimeout(this.loadtimeout.bind(this), config.timeout); + var forwardMessage = function forwardMessage(ev, data) { + self.postMessage({ event: ev, data: data }); + }; + + self.addEventListener('message', function (ev) { + var data = ev.data; + //console.log('demuxer cmd:' + data.cmd); + switch (data.cmd) { + case 'init': + var config = JSON.parse(data.config); + self.demuxer = new __WEBPACK_IMPORTED_MODULE_0__demux_demuxer_inline__["a" /* default */](observer, data.typeSupported, config, data.vendor); + try { + Object(__WEBPACK_IMPORTED_MODULE_2__utils_logger__["a" /* enableLogs */])(config.debug === true); + } catch (err) { + console.warn('demuxerWorker: unable to enable logs'); } - } + // signal end of worker init + forwardMessage('init', null); + break; + case 'demux': + self.demuxer.push(data.data, data.decryptdata, data.initSegment, data.audioCodec, data.videoCodec, data.timeOffset, data.discontinuity, data.trackSwitch, data.contiguous, data.duration, data.accurateTimeOffset, data.defaultInitPTS); + break; + default: + break; } - }, { - key: 'loadtimeout', - value: function loadtimeout() { - _logger.logger.warn('timeout while loading ' + this.context.url); - this.callbacks.onTimeout(this.stats, this.context); + }); + + // forward events to main thread + observer.on(__WEBPACK_IMPORTED_MODULE_1__events__["a" /* default */].FRAG_DECRYPTED, forwardMessage); + observer.on(__WEBPACK_IMPORTED_MODULE_1__events__["a" /* default */].FRAG_PARSING_INIT_SEGMENT, forwardMessage); + observer.on(__WEBPACK_IMPORTED_MODULE_1__events__["a" /* default */].FRAG_PARSED, forwardMessage); + observer.on(__WEBPACK_IMPORTED_MODULE_1__events__["a" /* default */].ERROR, forwardMessage); + observer.on(__WEBPACK_IMPORTED_MODULE_1__events__["a" /* default */].FRAG_PARSING_METADATA, forwardMessage); + observer.on(__WEBPACK_IMPORTED_MODULE_1__events__["a" /* default */].FRAG_PARSING_USERDATA, forwardMessage); + observer.on(__WEBPACK_IMPORTED_MODULE_1__events__["a" /* default */].INIT_PTS_FOUND, forwardMessage); + + // special case for FRAG_PARSING_DATA: pass data1/data2 as transferable object (no copy) + observer.on(__WEBPACK_IMPORTED_MODULE_1__events__["a" /* default */].FRAG_PARSING_DATA, function (ev, data) { + var transferable = []; + var message = { event: ev, data: data }; + if (data.data1) { + message.data1 = data.data1.buffer; + transferable.push(data.data1.buffer); + delete data.data1; } - }, { - key: 'loadprogress', - value: function loadprogress(event) { - var stats = this.stats; - stats.loaded = event.loaded; - if (event.lengthComputable) { - stats.total = event.total; - } - var onProgress = this.callbacks.onProgress; - if (onProgress) { - // last args is to provide on progress data - onProgress(stats, this.context, null); - } + if (data.data2) { + message.data2 = data.data2.buffer; + transferable.push(data.data2.buffer); + delete data.data2; } - }]); - - return XhrLoader; -}(); + self.postMessage(message, transferable); + }); +}; -exports.default = XhrLoader; +/* harmony default export */ __webpack_exports__["default"] = (DemuxerWorker); -},{"53":53}]},{},[40])(40) +/***/ }) +/******/ ])["default"]; }); //# sourceMappingURL=hls.js.map - /***/ }), /* 174 */ /***/ (function(module, exports, __webpack_require__) { diff --git a/dist/clappr.min.js b/dist/clappr.min.js index b4dfb253d..71249a981 100644 --- 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this.playback.getPlaybackType()},e.prototype.isDvrEnabled=function(){return!!this.playback.dvrEnabled},e.prototype.isDvrInUse=function(){return!!this.dvrInUse},e.prototype.destroy=function(){this.trigger(h.default.CONTAINER_DESTROYED,this,this.name),this.stopListening(),this.plugins.forEach(function(t){return t.destroy()}),this.$el.remove()},e.prototype.setStyle=function(t){this.$el.css(t)},e.prototype.animate=function(t,e){return this.$el.animate(t,e).promise()},e.prototype.ready=function(){this.isReady=!0,this.trigger(h.default.CONTAINER_READY,this.name)},e.prototype.isPlaying=function(){return this.playback.isPlaying()},e.prototype.getStartTimeOffset=function(){return this.playback.getStartTimeOffset()},e.prototype.getCurrentTime=function(){return this.currentTime},e.prototype.getDuration=function(){return this.playback.getDuration()},e.prototype.error=function(t){this.isReady||this.ready(),this.trigger(h.default.CONTAINER_ERROR,{error:t,container:this},this.name)},e.prototype.loadedMetadata=function(t){this.trigger(h.default.CONTAINER_LOADEDMETADATA,t)},e.prototype.timeUpdated=function(t){this.currentTime=t.current,this.trigger(h.default.CONTAINER_TIMEUPDATE,t,this.name)},e.prototype.progress=function(){for(var t=arguments.length,e=Array(t),i=0;i<t;i++)e[i]=arguments[i];this.trigger.apply(this,[h.default.CONTAINER_PROGRESS].concat(e,[this.name]))},e.prototype.playing=function(){this.trigger(h.default.CONTAINER_PLAY,this.name)},e.prototype.paused=function(){this.trigger(h.default.CONTAINER_PAUSE,this.name)},e.prototype.play=function(){this.playback.play()},e.prototype.stop=function(){this.playback.stop(),this.currentTime=0},e.prototype.pause=function(){this.playback.pause()},e.prototype.onEnded=function(){this.trigger(h.default.CONTAINER_ENDED,this,this.name),this.currentTime=0},e.prototype.stopped=function(){this.trigger(h.default.CONTAINER_STOP)},e.prototype.clicked=function(){this.options.chromeless&&!this.options.allowUserInteraction||this.trigger(h.default.CONTAINER_CLICK,this,this.name)},e.prototype.dblClicked=function(){this.options.chromeless&&!this.options.allowUserInteraction||this.trigger(h.default.CONTAINER_DBLCLICK,this,this.name)},e.prototype.onContextMenu=function(t){this.options.chromeless&&!this.options.allowUserInteraction||this.trigger(h.default.CONTAINER_CONTEXTMENU,t,this.name)},e.prototype.seek=function(t){this.trigger(h.default.CONTAINER_SEEK,t,this.name),this.playback.seek(t)},e.prototype.onSeeked=function(){this.trigger(h.default.CONTAINER_SEEKED,this.name)},e.prototype.seekPercentage=function(t){var e=this.getDuration();if(t>=0&&t<=100){var i=e*(t/100);this.seek(i)}},e.prototype.setVolume=function(t){this.volume=parseInt(t,10),this.trigger(h.default.CONTAINER_VOLUME,t,this.name),this.playback.volume(t)},e.prototype.fullscreen=function(){this.trigger(h.default.CONTAINER_FULLSCREEN,this.name)},e.prototype.onBuffering=function(){this.trigger(h.default.CONTAINER_STATE_BUFFERING,this.name)},e.prototype.bufferfull=function(){this.trigger(h.default.CONTAINER_STATE_BUFFERFULL,this.name)},e.prototype.addPlugin=function(t){this.plugins.push(t)},e.prototype.hasPlugin=function(t){return!!this.getPlugin(t)},e.prototype.getPlugin=function(t){return this.plugins.filter(function(e){return e.name===t})[0]},e.prototype.mouseEnter=function(){this.options.chromeless&&!this.options.allowUserInteraction||this.trigger(h.default.CONTAINER_MOUSE_ENTER)},e.prototype.mouseLeave=function(){this.options.chromeless&&!this.options.allowUserInteraction||this.trigger(h.default.CONTAINER_MOUSE_LEAVE)},e.prototype.settingsUpdate=function(){this.settings=this.playback.settings,this.trigger(h.default.CONTAINER_SETTINGSUPDATE)},e.prototype.highDefinitionUpdate=function(t){this.trigger(h.default.CONTAINER_HIGHDEFINITIONUPDATE,t)},e.prototype.isHighDefinitionInUse=function(){return this.playback.isHighDefinitionInUse()},e.prototype.disableMediaControl=function(){this.mediaControlDisabled||(this.mediaControlDisabled=!0,this.trigger(h.default.CONTAINER_MEDIACONTROL_DISABLE))},e.prototype.enableMediaControl=function(){this.mediaControlDisabled&&(this.mediaControlDisabled=!1,this.trigger(h.default.CONTAINER_MEDIACONTROL_ENABLE))},e.prototype.updateStyle=function(){!this.options.chromeless||this.options.allowUserInteraction?this.$el.removeClass("chromeless"):this.$el.addClass("chromeless")},e.prototype.configure=function(t){this._options=E.default.extend(this._options,t),this.updateStyle(),this.trigger(h.default.CONTAINER_OPTIONS_CHANGE)},e.prototype.render=function(){var t=v.default.getStyleFor(b.default);return this.$el.append(t),this.$el.append(this.playback.render().el),this.updateStyle(),this},e}(g.default);e.default=T,t.exports=e.default},function(t,e,i){e=t.exports=i(10)(void 0),e.push([t.i,".container[data-container]{position:absolute;background-color:#000;height:100%;width:100%}.container[data-container] .chromeless{cursor:default}[data-player]:not(.nocursor) .container[data-container]:not(.chromeless).pointer-enabled{cursor:pointer}",""])},function(t,e,i){"use strict";(function(r){function n(t){return t&&t.__esModule?t:{default:t}}Object.defineProperty(e,"__esModule",{value:!0});var a=i(139),o=n(a),s=i(0),l=n(s),u=i(1),d=n(u),c=i(3),f=n(c),h=i(2),p=n(h),g=i(5),y=i(56),v=i(4),m=n(v),b=i(7),_=n(b),E=i(21),T=n(E),k=i(13),A=n(k),S=i(24),L=n(S),R=i(8),w=n(R),C=i(9),O=n(C),D=i(6),P=n(D),I=i(141),x=n(I),N=i(142),M=n(N),F=i(58),B=n(F),U=i(76),G=n(U),j=i(143),V=n(j),K=i(144),Y=n(K),H=i(145),$=n(H),z=i(146),W=n(z),q=i(147),X=n(q),Z=i(148),J=n(Z),Q=function(t){function e(i){(0,l.default)(this,e);var r=(0,d.default)(this,t.call(this,i));r.persistConfig=r.options.persistConfig,r.container=i.container,r.currentPositionValue=null,r.currentDurationValue=null;var n=r.persistConfig?g.Config.restore("volume"):100;return r.setVolume(r.options.mute?0:n),r.keepVisible=!1,r.fullScreenOnVideoTagSupported=null,r.addEventListeners(),r.settings={left:["play","stop","pause"],right:["volume"],default:["position","seekbar","duration"]},r.container?P.default.isEmptyObject(r.container.settings)||(r.settings=P.default.extend({},r.container.settings)):r.settings={},r.userDisabled=!1,(r.container&&r.container.mediaControlDisabled||r.options.chromeless)&&r.disable(),r.stopDragHandler=function(t){return r.stopDrag(t)},r.updateDragHandler=function(t){return r.updateDrag(t)},(0,P.default)(document).bind("mouseup",r.stopDragHandler),(0,P.default)(document).bind("mousemove",r.updateDragHandler),r}return(0,p.default)(e,t),(0,f.default)(e,[{key:"name",get:function(){return"MediaControl"}},{key:"disabled",get:function(){return this.userDisabled||this.container&&this.container.getPlaybackType()===O.default.NO_OP}},{key:"attributes",get:function(){return{class:"media-control","data-media-control":""}}},{key:"events",get:function(){return{"click [data-play]":"play","click [data-pause]":"pause","click [data-playpause]":"togglePlayPause","click [data-stop]":"stop","click [data-playstop]":"togglePlayStop","click [data-fullscreen]":"toggleFullscreen","click .bar-container[data-seekbar]":"seek","click .bar-container[data-volume]":"onVolumeClick","click .drawer-icon[data-volume]":"toggleMute","mouseenter .drawer-container[data-volume]":"showVolumeBar","mouseleave .drawer-container[data-volume]":"hideVolumeBar","mousedown .bar-container[data-volume]":"startVolumeDrag","mousemove .bar-container[data-volume]":"mousemoveOnVolumeBar","mousedown .bar-scrubber[data-seekbar]":"startSeekDrag","mousemove .bar-container[data-seekbar]":"mousemoveOnSeekBar","mouseleave .bar-container[data-seekbar]":"mouseleaveOnSeekBar","mouseenter .media-control-layer[data-controls]":"setUserKeepVisible","mouseleave .media-control-layer[data-controls]":"resetUserKeepVisible"}}},{key:"template",get:function(){return(0,w.default)(M.default)}},{key:"stylesheet",get:function(){return _.default.getStyleFor(x.default,{baseUrl:this.options.baseUrl})}},{key:"volume",get:function(){return this.container&&this.container.isReady?this.container.volume:this.intendedVolume}},{key:"muted",get:function(){return 0===this.volume}}]),e.prototype.addEventListeners=function(){this.container&&(L.default.on(this.options.playerId+":"+m.default.PLAYER_RESIZE,this.playerResize,this),this.listenTo(this.container,m.default.CONTAINER_PLAY,this.changeTogglePlay),this.listenTo(this.container,m.default.CONTAINER_PAUSE,this.changeTogglePlay),this.listenTo(this.container,m.default.CONTAINER_STOP,this.changeTogglePlay),this.listenTo(this.container,m.default.CONTAINER_DBLCLICK,this.toggleFullscreen),this.listenTo(this.container,m.default.CONTAINER_TIMEUPDATE,this.onTimeUpdate),this.listenTo(this.container,m.default.CONTAINER_PROGRESS,this.updateProgressBar),this.listenTo(this.container,m.default.CONTAINER_SETTINGSUPDATE,this.settingsUpdate),this.listenTo(this.container,m.default.CONTAINER_PLAYBACKDVRSTATECHANGED,this.settingsUpdate),this.listenTo(this.container,m.default.CONTAINER_HIGHDEFINITIONUPDATE,this.highDefinitionUpdate),this.listenTo(this.container,m.default.CONTAINER_MEDIACONTROL_DISABLE,this.disable),this.listenTo(this.container,m.default.CONTAINER_MEDIACONTROL_ENABLE,this.enable),this.listenTo(this.container,m.default.CONTAINER_ENDED,this.ended),this.listenTo(this.container,m.default.CONTAINER_VOLUME,this.onVolumeChanged),"video"===this.container.playback.el.nodeName.toLowerCase()&&this.listenToOnce(this.container,m.default.CONTAINER_LOADEDMETADATA,this.onLoadedMetadataOnVideoTag))},e.prototype.disable=function(){this.userDisabled=!0,this.hide(),this.$el.hide()},e.prototype.enable=function(){this.options.chromeless||(this.userDisabled=!1,this.show())},e.prototype.play=function(){this.container.play()},e.prototype.pause=function(){this.container.pause()},e.prototype.stop=function(){this.container.stop()},e.prototype.onVolumeChanged=function(){this.updateVolumeUI()},e.prototype.onLoadedMetadataOnVideoTag=function(){var t=this.container.playback.el;!g.Fullscreen.fullscreenEnabled()&&t.webkitSupportsFullscreen&&(this.fullScreenOnVideoTagSupported=!0,this.settingsUpdate())},e.prototype.updateVolumeUI=function(){if(this.rendered){this.$volumeBarContainer.find(".bar-fill-2").css({});var t=this.$volumeBarContainer.width(),e=this.$volumeBarBackground.width(),i=(t-e)/2,r=e*this.volume/100+i;this.$volumeBarFill.css({width:this.volume+"%"}),this.$volumeBarScrubber.css({left:r}),this.$volumeBarContainer.find(".segmented-bar-element").removeClass("fill");var n=Math.ceil(this.volume/10);this.$volumeBarContainer.find(".segmented-bar-element").slice(0,n).addClass("fill"),this.$volumeIcon.html(""),this.$volumeIcon.removeClass("muted"),this.muted?(this.$volumeIcon.append($.default),this.$volumeIcon.addClass("muted")):this.$volumeIcon.append(Y.default),this.applyButtonStyle(this.$volumeIcon)}},e.prototype.changeTogglePlay=function(){this.$playPauseToggle.html(""),this.$playStopToggle.html(""),this.container&&this.container.isPlaying()?(this.$playPauseToggle.append(G.default),this.$playStopToggle.append(V.default),this.trigger(m.default.MEDIACONTROL_PLAYING)):(this.$playPauseToggle.append(B.default),this.$playStopToggle.append(B.default),this.trigger(m.default.MEDIACONTROL_NOTPLAYING),A.default.isMobile&&this.show()),this.applyButtonStyle(this.$playPauseToggle),this.applyButtonStyle(this.$playStopToggle)},e.prototype.mousemoveOnSeekBar=function(t){if(this.settings.seekEnabled){var e=t.pageX-this.$seekBarContainer.offset().left-this.$seekBarHover.width()/2;this.$seekBarHover.css({left:e})}this.trigger(m.default.MEDIACONTROL_MOUSEMOVE_SEEKBAR,t)},e.prototype.mouseleaveOnSeekBar=function(t){this.trigger(m.default.MEDIACONTROL_MOUSELEAVE_SEEKBAR,t)},e.prototype.onVolumeClick=function(t){this.setVolume(this.getVolumeFromUIEvent(t))},e.prototype.mousemoveOnVolumeBar=function(t){this.draggingVolumeBar&&this.setVolume(this.getVolumeFromUIEvent(t))},e.prototype.playerResize=function(t){this.$fullscreenToggle.html(""),g.Fullscreen.isFullscreen()?this.$fullscreenToggle.append(X.default):this.$fullscreenToggle.append(W.default),this.applyButtonStyle(this.$fullscreenToggle),this.$el.removeClass("w320"),(t.width<=320||this.options.hideVolumeBar)&&this.$el.addClass("w320")},e.prototype.togglePlayPause=function(){return this.container.isPlaying()?this.container.pause():this.container.play(),!1},e.prototype.togglePlayStop=function(){this.container.isPlaying()?this.container.stop():this.container.play()},e.prototype.startSeekDrag=function(t){this.settings.seekEnabled&&(this.draggingSeekBar=!0,this.$el.addClass("dragging"),this.$seekBarLoaded.addClass("media-control-notransition"),this.$seekBarPosition.addClass("media-control-notransition"),this.$seekBarScrubber.addClass("media-control-notransition"),t&&t.preventDefault())},e.prototype.startVolumeDrag=function(t){this.draggingVolumeBar=!0,this.$el.addClass("dragging"),t&&t.preventDefault()},e.prototype.stopDrag=function(t){this.draggingSeekBar&&this.seek(t),this.$el.removeClass("dragging"),this.$seekBarLoaded.removeClass("media-control-notransition"),this.$seekBarPosition.removeClass("media-control-notransition"),this.$seekBarScrubber.removeClass("media-control-notransition dragging"),this.draggingSeekBar=!1,this.draggingVolumeBar=!1},e.prototype.updateDrag=function(t){if(this.draggingSeekBar){t.preventDefault();var e=t.pageX-this.$seekBarContainer.offset().left,i=e/this.$seekBarContainer.width()*100;i=Math.min(100,Math.max(i,0)),this.setSeekPercentage(i)}else this.draggingVolumeBar&&(t.preventDefault(),this.setVolume(this.getVolumeFromUIEvent(t)))},e.prototype.getVolumeFromUIEvent=function(t){return(t.pageX-this.$volumeBarContainer.offset().left)/this.$volumeBarContainer.width()*100},e.prototype.toggleMute=function(){this.setVolume(this.muted?100:0)},e.prototype.setVolume=function(t){var e=this;t=Math.min(100,Math.max(t,0)),this.intendedVolume=t,this.persistConfig&&g.Config.persist("volume",t);var i=function(){e.container.isReady?e.container.setVolume(t):e.listenToOnce(e.container,m.default.CONTAINER_READY,function(){e.container.setVolume(t)})};this.container?i():this.listenToOnce(this,m.default.MEDIACONTROL_CONTAINERCHANGED,function(){i()})},e.prototype.toggleFullscreen=function(){this.trigger(m.default.MEDIACONTROL_FULLSCREEN,this.name),this.container.fullscreen(),this.resetUserKeepVisible()},e.prototype.setContainer=function(t){this.container&&(this.stopListening(this.container),this.fullScreenOnVideoTagSupported=null),L.default.off(this.options.playerId+":"+m.default.PLAYER_RESIZE,this.playerResize,this),this.container=t,this.setVolume(this.intendedVolume),this.changeTogglePlay(),this.addEventListeners(),this.settingsUpdate(),this.container.trigger(m.default.CONTAINER_PLAYBACKDVRSTATECHANGED,this.container.isDvrInUse()),this.container.mediaControlDisabled&&this.disable(),this.trigger(m.default.MEDIACONTROL_CONTAINERCHANGED)},e.prototype.showVolumeBar=function(){this.hideVolumeId&&clearTimeout(this.hideVolumeId),this.$volumeBarContainer.removeClass("volume-bar-hide")},e.prototype.hideVolumeBar=function(){var t=this,e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:400;this.$volumeBarContainer&&(this.draggingVolumeBar?this.hideVolumeId=setTimeout(function(){return t.hideVolumeBar()},e):(this.hideVolumeId&&clearTimeout(this.hideVolumeId),this.hideVolumeId=setTimeout(function(){return t.$volumeBarContainer.addClass("volume-bar-hide")},e)))},e.prototype.ended=function(){this.changeTogglePlay()},e.prototype.updateProgressBar=function(t){var e=t.start/t.total*100,i=t.current/t.total*100;this.$seekBarLoaded.css({left:e+"%",width:i-e+"%"})},e.prototype.onTimeUpdate=function(t){if(!this.draggingSeekBar){var e=t.current<0?t.total:t.current;this.currentPositionValue=e,this.currentDurationValue=t.total,this.renderSeekBar()}},e.prototype.renderSeekBar=function(){if(null!==this.currentPositionValue&&null!==this.currentDurationValue){this.currentSeekBarPercentage=100,(this.container.getPlaybackType()!==O.default.LIVE||this.container.isDvrInUse())&&(this.currentSeekBarPercentage=this.currentPositionValue/this.currentDurationValue*100),this.setSeekPercentage(this.currentSeekBarPercentage);var t=(0,g.formatTime)(this.currentPositionValue),e=(0,g.formatTime)(this.currentDurationValue);t!==this.displayedPosition&&(this.$position.text(t),this.displayedPosition=t),e!==this.displayedDuration&&(this.$duration.text(e),this.displayedDuration=e)}},e.prototype.seek=function(t){if(this.settings.seekEnabled){var e=t.pageX-this.$seekBarContainer.offset().left,i=e/this.$seekBarContainer.width()*100;return i=Math.min(100,Math.max(i,0)),this.container.seekPercentage(i),this.setSeekPercentage(i),!1}},e.prototype.setKeepVisible=function(){this.keepVisible=!0},e.prototype.resetKeepVisible=function(){this.keepVisible=!1},e.prototype.setUserKeepVisible=function(){this.userKeepVisible=!0},e.prototype.resetUserKeepVisible=function(){this.userKeepVisible=!1},e.prototype.isVisible=function(){return!this.$el.hasClass("media-control-hide")},e.prototype.show=function(t){var e=this;if(!this.disabled){(!t||t.clientX!==this.lastMouseX&&t.clientY!==this.lastMouseY||navigator.userAgent.match(/firefox/i))&&(clearTimeout(this.hideId),this.$el.show(),this.trigger(m.default.MEDIACONTROL_SHOW,this.name),this.$el.removeClass("media-control-hide"),this.hideId=setTimeout(function(){return e.hide()},2e3),t&&(this.lastMouseX=t.clientX,this.lastMouseY=t.clientY))}},e.prototype.hide=function(){var t=this,e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;if(this.isVisible()&&(!A.default.isMobile||this.container.isPlaying())){var i=e||2e3;clearTimeout(this.hideId),(this.disabled||!1!==this.options.hideMediaControl)&&(!this.disabled&&(e||this.userKeepVisible||this.keepVisible||this.draggingSeekBar||this.draggingVolumeBar)?this.hideId=setTimeout(function(){return t.hide()},i):(this.trigger(m.default.MEDIACONTROL_HIDE,this.name),this.$el.addClass("media-control-hide"),this.hideVolumeBar(0)))}},e.prototype.settingsUpdate=function(){var t=this.getSettings();!t||this.fullScreenOnVideoTagSupported||g.Fullscreen.fullscreenEnabled()||(t.default&&(0,g.removeArrayItem)(t.default,"fullscreen"),t.left&&(0,g.removeArrayItem)(t.left,"fullscreen"),t.right&&(0,g.removeArrayItem)(t.right,"fullscreen")),(0,o.default)(this.settings)!==(0,o.default)(t)&&(this.settings=t,this.render())},e.prototype.getSettings=function(){return P.default.extend(!0,{},this.container.settings)},e.prototype.highDefinitionUpdate=function(t){var e=t?"addClass":"removeClass";this.$hdIndicator[e]("enabled")},e.prototype.createCachedElements=function(){var t=this.$el.find(".media-control-layer");this.$duration=t.find(".media-control-indicator[data-duration]"),this.$fullscreenToggle=t.find("button.media-control-button[data-fullscreen]"),this.$playPauseToggle=t.find("button.media-control-button[data-playpause]"),this.$playStopToggle=t.find("button.media-control-button[data-playstop]"),this.$position=t.find(".media-control-indicator[data-position]"),this.$seekBarContainer=t.find(".bar-container[data-seekbar]"),this.$seekBarHover=t.find(".bar-hover[data-seekbar]"),this.$seekBarLoaded=t.find(".bar-fill-1[data-seekbar]"),this.$seekBarPosition=t.find(".bar-fill-2[data-seekbar]"),this.$seekBarScrubber=t.find(".bar-scrubber[data-seekbar]"),this.$volumeBarContainer=t.find(".bar-container[data-volume]"),this.$volumeContainer=t.find(".drawer-container[data-volume]"),this.$volumeIcon=t.find(".drawer-icon[data-volume]"),this.$volumeBarBackground=this.$el.find(".bar-background[data-volume]"),this.$volumeBarFill=this.$el.find(".bar-fill-1[data-volume]"),this.$volumeBarScrubber=this.$el.find(".bar-scrubber[data-volume]"),this.$hdIndicator=this.$el.find("button.media-control-button[data-hd-indicator]"),this.resetIndicators(),this.initializeIcons()},e.prototype.resetIndicators=function(){this.displayedPosition=this.$position.text(),this.displayedDuration=this.$duration.text()},e.prototype.initializeIcons=function(){var t=this.$el.find(".media-control-layer");t.find("button.media-control-button[data-play]").append(B.default),t.find("button.media-control-button[data-pause]").append(G.default),t.find("button.media-control-button[data-stop]").append(V.default),this.$playPauseToggle.append(B.default),this.$playStopToggle.append(B.default),this.$volumeIcon.append(Y.default),this.$fullscreenToggle.append(W.default),this.$hdIndicator.append(J.default)},e.prototype.setSeekPercentage=function(t){t=Math.max(Math.min(t,100),0),this.displayedSeekBarPercentage!==t&&(this.displayedSeekBarPercentage=t,this.$seekBarPosition.removeClass("media-control-notransition"),this.$seekBarScrubber.removeClass("media-control-notransition"),this.$seekBarPosition.css({width:t+"%"}),this.$seekBarScrubber.css({left:t+"%"}))},e.prototype.seekRelative=function(t){if(this.settings.seekEnabled){var e=this.container.getCurrentTime(),i=this.container.getDuration(),r=Math.min(Math.max(e+t,0),i);r=Math.min(100*r/i,100),this.container.seekPercentage(r)}},e.prototype.bindKeyAndShow=function(t,e){var i=this;this.kibo.down(t,function(){return i.show(),e()})},e.prototype.bindKeyEvents=function(){var t=this;this.unbindKeyEvents(),this.kibo=new y.Kibo(this.options.focusElement),this.bindKeyAndShow("space",function(){return t.togglePlayPause()}),this.bindKeyAndShow("left",function(){return t.seekRelative(-5)}),this.bindKeyAndShow("right",function(){return t.seekRelative(5)}),this.bindKeyAndShow("shift left",function(){return t.seekRelative(-10)}),this.bindKeyAndShow("shift right",function(){return t.seekRelative(10)}),this.bindKeyAndShow("shift ctrl left",function(){return t.seekRelative(-15)}),this.bindKeyAndShow("shift ctrl right",function(){return t.seekRelative(15)}),["1","2","3","4","5","6","7","8","9","0"].forEach(function(e){t.bindKeyAndShow(e,function(){return t.settings.seekEnabled&&t.container.seekPercentage(10*e)})})},e.prototype.unbindKeyEvents=function(){this.kibo&&(this.kibo.off("space"),this.kibo.off("left"),this.kibo.off("right"),this.kibo.off("shift left"),this.kibo.off("shift right"),this.kibo.off("shift ctrl left"),this.kibo.off("shift ctrl right"),this.kibo.off(["1","2","3","4","5","6","7","8","9","0"]))},e.prototype.parseColors=function(){if(this.options.mediacontrol){this.buttonsColor=this.options.mediacontrol.buttons;var t=this.options.mediacontrol.seekbar;this.$el.find(".bar-fill-2[data-seekbar]").css("background-color",t),this.$el.find(".media-control-icon svg path").css("fill",this.buttonsColor),this.$el.find(".segmented-bar-element[data-volume]").css("boxShadow","inset 2px 0 0 "+this.buttonsColor)}},e.prototype.applyButtonStyle=function(t){this.buttonsColor&&t&&(0,P.default)(t).find("svg path").css("fill",this.buttonsColor)},e.prototype.destroy=function(){this.remove(),(0,P.default)(document).unbind("mouseup",this.stopDragHandler),(0,P.default)(document).unbind("mousemove",this.updateDragHandler),this.unbindKeyEvents()},e.prototype.render=function(){var t=this;this.$el.html(this.template({settings:this.settings})),this.$el.append(this.stylesheet),this.createCachedElements(),this.$playPauseToggle.addClass("paused"),this.$playStopToggle.addClass("stopped"),this.changeTogglePlay(),this.hideId=setTimeout(function(){return t.hide()},1e3),this.disabled&&this.hide(),A.default.isSafari&&A.default.isMobile&&(A.default.version<10?this.$volumeContainer.css("display","none"):this.$volumeBarContainer.css("display","none")),this.$seekBarPosition.addClass("media-control-notransition"),this.$seekBarScrubber.addClass("media-control-notransition");var e=0;return 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3px;background-color:#666}.media-control[data-media-control] .media-control-layer[data-controls] .drawer-container[data-volume] .bar-container[data-volume] .bar-background[data-volume] .bar-fill-1[data-volume]{position:absolute;top:0;left:0;width:0;height:100%;background-color:#c2c2c2;-webkit-transition:all .1s ease-out;-moz-transition:all .1s ease-out;transition:all .1s ease-out}.media-control[data-media-control] .media-control-layer[data-controls] .drawer-container[data-volume] .bar-container[data-volume] .bar-background[data-volume] .bar-fill-2[data-volume]{position:absolute;top:0;left:0;width:0;height:100%;background-color:#005aff;-webkit-transition:all .1s ease-out;-moz-transition:all .1s ease-out;transition:all .1s ease-out}.media-control[data-media-control] .media-control-layer[data-controls] .drawer-container[data-volume] .bar-container[data-volume] .bar-background[data-volume] .bar-hover[data-volume]{opacity:0;position:absolute;top:-3px;width:5px;height:7px;background-color:hsla(0,0%,100%,.5);-webkit-transition:opacity .1s ease;-moz-transition:opacity .1s ease;transition:opacity .1s ease}.media-control[data-media-control] .media-control-layer[data-controls] .drawer-container[data-volume] .bar-container[data-volume] .bar-scrubber[data-volume]{position:absolute;-webkit-transform:translateX(-50%);-moz-transform:translateX(-50%);-ms-transform:translateX(-50%);-o-transform:translateX(-50%);transform:translateX(-50%);top:0;left:0;width:20px;height:20px;opacity:1;-webkit-transition:all .1s ease-out;-moz-transition:all .1s ease-out;transition:all .1s ease-out}.media-control[data-media-control] .media-control-layer[data-controls] .drawer-container[data-volume] .bar-container[data-volume] .bar-scrubber[data-volume] .bar-scrubber-icon[data-volume]{position:absolute;left:6px;top:6px;width:8px;height:8px;border-radius:10px;box-shadow:0 0 0 6px hsla(0,0%,100%,.2);background-color:#fff}.media-control[data-media-control] .media-control-layer[data-controls] .drawer-container[data-volume] .bar-container[data-volume] .segmented-bar-element[data-volume]{float:left;width:4px;padding-left:2px;height:12px;opacity:.5;box-shadow:inset 2px 0 0 #fff;-webkit-transition:-webkit-transform .2s ease-out;-moz-transition:-moz-transform .2s ease-out;transition:transform .2s ease-out}.media-control[data-media-control] .media-control-layer[data-controls] .drawer-container[data-volume] .bar-container[data-volume] .segmented-bar-element[data-volume].fill{box-shadow:inset 2px 0 0 #fff;opacity:1}.media-control[data-media-control] .media-control-layer[data-controls] .drawer-container[data-volume] .bar-container[data-volume] .segmented-bar-element[data-volume]:first-of-type{padding-left:0}.media-control[data-media-control] .media-control-layer[data-controls] .drawer-container[data-volume] .bar-container[data-volume] .segmented-bar-element[data-volume]:hover{-webkit-transform:scaleY(1.5);-moz-transform:scaleY(1.5);-ms-transform:scaleY(1.5);-o-transform:scaleY(1.5);transform:scaleY(1.5)}.media-control[data-media-control].w320 .media-control-layer[data-controls] .drawer-container[data-volume] .bar-container[data-volume].volume-bar-hide{width:0;height:12px;top:9px;padding:0}',""])},function(t,e){t.exports='<div class="media-control-background" data-background></div>\n<div class="media-control-layer" data-controls>\n <% var renderBar = function(name) { %>\n <div class="bar-container" data-<%= name %>>\n <div class="bar-background" data-<%= name %>>\n <div class="bar-fill-1" data-<%= name %>></div>\n <div class="bar-fill-2" data-<%= name %>></div>\n <div class="bar-hover" data-<%= name %>></div>\n </div>\n <div class="bar-scrubber" data-<%= name %>>\n <div class="bar-scrubber-icon" data-<%= name %>></div>\n </div>\n </div>\n <% }; %>\n <% var renderSegmentedBar = function(name, segments) {\n segments = 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r},e.prototype.addExternalPlugins=function(t){t=this.groupPluginsByType(t),t.playback&&(this.playbackPlugins=this.removeDups(t.playback.concat(this.playbackPlugins))),t.container&&(this.containerPlugins=this.removeDups(t.container.concat(this.containerPlugins))),t.core&&(this.corePlugins=this.removeDups(t.core.concat(this.corePlugins))),g.default.getInstance(this.playerId).playbackPlugins=this.playbackPlugins},e.prototype.validateExternalPluginsType=function(t){["playback","container","core"].forEach(function(e){(t[e]||[]).forEach(function(t){var i="external "+t.type+" plugin on "+e+" array";if(t.type!==e)throw new ReferenceError(i)})})},e}(h.default);e.default=it,t.exports=e.default},function(t,e,i){"use strict";(function(r){function n(t){return t&&t.__esModule?t:{default:t}}Object.defineProperty(e,"__esModule",{value:!0});var 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o._src=o.options.src,o._baseUrl=o.options.baseUrl,o._autoPlay=o.options.autoPlay,o.settings={default:["seekbar"]},o.settings.left=["playpause","position","duration"],o.settings.right=["fullscreen","volume"],o.settings.seekEnabled=!0,o._isReadyState=!1,o._addListeners(),o}return(0,c.default)(e,t),(0,u.default)(e,[{key:"name",get:function(){return"flash"}},{key:"swfPath",get:function(){return(0,_.default)(w.default)({baseUrl:this._baseUrl})}},{key:"ended",get:function(){return"ENDED"===this._currentState}},{key:"buffering",get:function(){return!!this._bufferingState&&"ENDED"!==this._currentState}}]),e.prototype._bootstrap=function(){var t=this;this.el.playerPlay?(this.el.width="100%",this.el.height="100%","PLAYING"===this._currentState?this._firstPlay():(this._currentState="IDLE",this._autoPlay&&this.play()),(0,T.default)('<div style="position: absolute; top: 0; left: 0; width: 100%; height: 100%" />').insertAfter(this.$el),this.getDuration()>0?this._metadataLoaded():m.default.once(this.uniqueId+":timeupdate",this._metadataLoaded,this)):(this._attempts=this._attempts||0,++this._attempts<=60?setTimeout(function(){return t._bootstrap()},50):this.trigger(A.default.PLAYBACK_ERROR,{message:"Max number of attempts reached"},this.name))},e.prototype._metadataLoaded=function(){this._isReadyState=!0,this.trigger(A.default.PLAYBACK_READY,this.name),this.trigger(A.default.PLAYBACK_SETTINGSUPDATE,this.name)},e.prototype.getPlaybackType=function(){return L.default.VOD},e.prototype.isHighDefinitionInUse=function(){return!1},e.prototype._updateTime=function(){this.trigger(A.default.PLAYBACK_TIMEUPDATE,{current:this.el.getPosition(),total:this.el.getDuration()},this.name)},e.prototype._addListeners=function(){m.default.on(this.uniqueId+":progress",this._progress,this),m.default.on(this.uniqueId+":timeupdate",this._updateTime,this),m.default.on(this.uniqueId+":statechanged",this._checkState,this),m.default.on(this.uniqueId+":flashready",this._bootstrap,this)},e.prototype.stopListening=function(){t.prototype.stopListening.call(this),m.default.off(this.uniqueId+":progress"),m.default.off(this.uniqueId+":timeupdate"),m.default.off(this.uniqueId+":statechanged"),m.default.off(this.uniqueId+":flashready")},e.prototype._checkState=function(){this._isIdle||"PAUSED"===this._currentState||("PLAYING_BUFFERING"!==this._currentState&&"PLAYING_BUFFERING"===this.el.getState()?(this._bufferingState=!0,this.trigger(A.default.PLAYBACK_BUFFERING,this.name),this._currentState="PLAYING_BUFFERING"):"PLAYING"===this.el.getState()?(this._bufferingState=!1,this.trigger(A.default.PLAYBACK_BUFFERFULL,this.name),this._currentState="PLAYING"):"IDLE"===this.el.getState()?this._currentState="IDLE":"ENDED"===this.el.getState()&&(this.trigger(A.default.PLAYBACK_ENDED,this.name),this.trigger(A.default.PLAYBACK_TIMEUPDATE,{current:0,total:this.el.getDuration()},this.name),this._currentState="ENDED",this._isIdle=!0))},e.prototype._progress=function(){"IDLE"!==this._currentState&&"ENDED"!==this._currentState&&this.trigger(A.default.PLAYBACK_PROGRESS,{start:0,current:this.el.getBytesLoaded(),total:this.el.getBytesTotal()})},e.prototype._firstPlay=function(){var t=this;this.el.playerPlay?(this._isIdle=!1,this.el.playerPlay(this._src),this.listenToOnce(this,A.default.PLAYBACK_BUFFERFULL,function(){return t._checkInitialSeek()}),this._currentState="PLAYING"):this.listenToOnce(this,A.default.PLAYBACK_READY,this._firstPlay)},e.prototype._checkInitialSeek=function(){var t=(0,f.seekStringToSeconds)(window.location.href);0!==t&&this.seekSeconds(t)},e.prototype.play=function(){this.trigger(A.default.PLAYBACK_PLAY_INTENT),"PAUSED"===this._currentState||"PLAYING_BUFFERING"===this._currentState?(this._currentState="PLAYING",this.el.playerResume(),this.trigger(A.default.PLAYBACK_PLAY,this.name)):"PLAYING"!==this._currentState&&(this._firstPlay(),this.trigger(A.default.PLAYBACK_PLAY,this.name))},e.prototype.volume=function(t){var e=this;this.isReady?this.el.playerVolume(t):this.listenToOnce(this,A.default.PLAYBACK_BUFFERFULL,function(){return e.volume(t)})},e.prototype.pause=function(){this._currentState="PAUSED",this.el.playerPause(),this.trigger(A.default.PLAYBACK_PAUSE,this.name)},e.prototype.stop=function(){this.el.playerStop(),this.trigger(A.default.PLAYBACK_STOP),this.trigger(A.default.PLAYBACK_TIMEUPDATE,{current:0,total:0},this.name)},e.prototype.isPlaying=function(){return!!(this.isReady&&this._currentState.indexOf("PLAYING")>-1)},e.prototype.getDuration=function(){return this.el.getDuration()},e.prototype.seekPercentage=function(t){var e=this;if(this.el.getDuration()>0){var i=this.el.getDuration()*(t/100);this.seek(i)}else this.listenToOnce(this,A.default.PLAYBACK_BUFFERFULL,function(){return e.seekPercentage(t)})},e.prototype.seek=function(t){var e=this;this.isReady&&this.el.playerSeek?(this.el.playerSeek(t),this.trigger(A.default.PLAYBACK_TIMEUPDATE,{current:t,total:this.el.getDuration()},this.name),"PAUSED"===this._currentState&&this.el.playerPause()):this.listenToOnce(this,A.default.PLAYBACK_BUFFERFULL,function(){return e.seek(t)})},e.prototype.destroy=function(){clearInterval(this.bootstrapId),t.prototype.stopListening.call(this),this.$el.remove()},(0,u.default)(e,[{key:"isReady",get:function(){return this._isReadyState}}]),e}(p.default);e.default=C,C.canPlay=function(t){if(y.default.hasFlash&&t&&t.constructor===String){var e=t.split("?")[0].match(/.*\.(.*)$/)||[];return e.length>1&&!y.default.isMobile&&e[1].toLowerCase().match(/^(mp4|mov|f4v|3gpp|3gp)$/)}return!1},t.exports=e.default},function(t,e,i){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}Object.defineProperty(e,"__esModule",{value:!0});var n=i(0),a=r(n),o=i(3),s=r(o),l=i(1),u=r(l),d=i(2),c=r(d),f=i(9),h=r(f),p=i(7),g=r(p),y=i(8),v=r(y),m=i(13),b=r(m),_=i(165),E=r(_),T=i(166),k=r(T),A=function(t){function e(){return(0,a.default)(this,e),(0,u.default)(this,t.apply(this,arguments))}return(0,c.default)(e,t),e.prototype.setElement=function(t){this.$el=t,this.el=t[0]},e.prototype.render=function(){return this.$el.attr("data",this.swfPath),this.$el.html(this.template({cid:this.cid,swfPath:this.swfPath,baseUrl:this.baseUrl,playbackId:this.uniqueId,wmode:this.wmode,callbackName:"window.Clappr.flashlsCallbacks."+this.cid})),b.default.isIE&&(this.$("embed").remove(),b.default.isLegacyIE&&this.$el.attr("classid","clsid:d27cdb6e-ae6d-11cf-96b8-444553540000")),this.el.id=this.cid,this.$el.append(g.default.getStyleFor(k.default)),this},(0,s.default)(e,[{key:"tagName",get:function(){return"object"}},{key:"swfPath",get:function(){return""}},{key:"wmode",get:function(){return"transparent"}},{key:"template",get:function(){return(0,v.default)(E.default)}},{key:"attributes",get:function(){var t="application/x-shockwave-flash";return b.default.isLegacyIE&&(t=""),{class:"clappr-flash-playback",type:t,width:"100%",height:"100%",data:this.swfPath,"data-flash-playback":this.name}}}]),e}(h.default);e.default=A,t.exports=e.default},function(t,e){t.exports='<param name="movie" value="<%= swfPath %>">\n<param name="quality" value="autohigh">\n<param name="swliveconnect" value="true">\n<param name="allowScriptAccess" value="always">\n<param name="bgcolor" value="#000000">\n<param name="allowFullScreen" value="false">\n<param name="wmode" value="<%= wmode %>">\n<param name="tabindex" value="1">\n<param name="FlashVars" value="playbackId=<%= playbackId %>&callback=<%= callbackName %>">\n<embed\n name="<%= cid %>"\n type="application/x-shockwave-flash"\n disabled="disabled"\n tabindex="-1"\n enablecontextmenu="false"\n allowScriptAccess="always"\n quality="autohigh"\n pluginspage="http://www.macromedia.com/go/getflashplayer"\n wmode="<%= wmode %>"\n swliveconnect="true"\n allowfullscreen="false"\n bgcolor="#000000"\n FlashVars="playbackId=<%= playbackId %>&callback=<%= callbackName %>"\n data="<%= swfPath %>"\n src="<%= swfPath %>"\n width="100%"\n height="100%">\n</embed>\n'},function(t,e,i){e=t.exports=i(10)(void 0),e.push([t.i,".clappr-flash-playback[data-flash-playback]{display:block;position:absolute;top:0;left:0;height:100%;width:100%;pointer-events:none}",""])},function(t,e){t.exports="<%=baseUrl%>/4b76590b32dab62bc95c1b7951efae78.swf"},function(t,e,i){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}Object.defineProperty(e,"__esModule",{value:!0});var n=i(0),a=r(n),o=i(3),s=r(o),l=i(1),u=r(l),d=i(2),c=r(d),f=i(4),h=r(f),p=i(9),g=r(p),y=i(35),v=r(y),m=function(t){function e(){return(0,a.default)(this,e),(0,u.default)(this,t.apply(this,arguments))}return(0,c.default)(e,t),e.prototype.updateSettings=function(){this.settings.left=["playpause","position","duration"],this.settings.seekEnabled=this.isSeekEnabled(),this.trigger(h.default.PLAYBACK_SETTINGSUPDATE)},e.prototype.getPlaybackType=function(){return g.default.AOD},(0,s.default)(e,[{key:"name",get:function(){return"html5_audio"}},{key:"tagName",get:function(){return"audio"}},{key:"isAudioOnly",get:function(){return!0}}]),e}(v.default);e.default=m,m.canPlay=function(t,e){var i={wav:["audio/wav"],mp3:["audio/mp3",'audio/mpeg;codecs="mp3"'],aac:['audio/mp4;codecs="mp4a.40.5"'],oga:["audio/ogg"]};return v.default._canPlay("audio",i,t,e)},t.exports=e.default},function(t,e,i){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}Object.defineProperty(e,"__esModule",{value:!0});var n=i(0),a=r(n),o=i(1),s=r(o),l=i(3),u=r(l),d=i(2),c=r(d),f=i(59),h=r(f),p=i(4),g=r(p),y=i(8),v=r(y),m=i(9),b=r(m),_=i(24),E=r(_),T=i(13),k=r(T),A=i(170),S=r(A),L=i(171),R=r(L),w=i(6),C=r(w),O=function(t){function e(){(0,a.default)(this,e);for(var i=arguments.length,r=Array(i),n=0;n<i;n++)r[n]=arguments[n];var o=(0,s.default)(this,t.call.apply(t,[this].concat(r)));return o._src=o.options.src,o._baseUrl=o.options.baseUrl,o._initHlsParameters(o.options),o.highDefinition=!1,o._autoPlay=o.options.autoPlay,o._loop=o.options.loop,o._defaultSettings={left:["playstop"],default:["seekbar"],right:["fullscreen","volume","hd-indicator"],seekEnabled:!1},o.settings=C.default.extend({},o._defaultSettings),o._playbackType=b.default.LIVE,o._hasEnded=!1,o._addListeners(),o}return(0,c.default)(e,t),(0,u.default)(e,[{key:"name",get:function(){return"flashls"}},{key:"swfPath",get:function(){return(0,v.default)(R.default)({baseUrl:this._baseUrl})}},{key:"levels",get:function(){return this._levels||[]}},{key:"currentLevel",get:function(){return null===this._currentLevel||void 0===this._currentLevel?-1:this._currentLevel},set:function(t){this._currentLevel=t,this.trigger(g.default.PLAYBACK_LEVEL_SWITCH_START),this.el.playerSetCurrentLevel(t)}},{key:"ended",get:function(){return this._hasEnded}},{key:"buffering",get:function(){return!!this._bufferingState&&!this._hasEnded}}]),e.prototype._initHlsParameters=function(t){this._autoStartLoad=void 0===t.autoStartLoad||t.autoStartLoad,this._capLevelToStage=void 0!==t.capLevelToStage&&t.capLevelToStage,this._maxLevelCappingMode=void 0===t.maxLevelCappingMode?"downscale":t.maxLevelCappingMode,this._minBufferLength=void 0===t.minBufferLength?-1:t.minBufferLength,this._minBufferLengthCapping=void 0===t.minBufferLengthCapping?-1:t.minBufferLengthCapping,this._maxBufferLength=void 0===t.maxBufferLength?120:t.maxBufferLength,this._maxBackBufferLength=void 0===t.maxBackBufferLength?30:t.maxBackBufferLength,this._lowBufferLength=void 0===t.lowBufferLength?3:t.lowBufferLength,this._mediaTimePeriod=void 0===t.mediaTimePeriod?100:t.mediaTimePeriod,this._fpsDroppedMonitoringPeriod=void 0===t.fpsDroppedMonitoringPeriod?5e3:t.fpsDroppedMonitoringPeriod,this._fpsDroppedMonitoringThreshold=void 0===t.fpsDroppedMonitoringThreshold?.2:t.fpsDroppedMonitoringThreshold,this._capLevelonFPSDrop=void 0!==t.capLevelonFPSDrop&&t.capLevelonFPSDrop,this._smoothAutoSwitchonFPSDrop=void 0===t.smoothAutoSwitchonFPSDrop?this.capLevelonFPSDrop:t.smoothAutoSwitchonFPSDrop,this._switchDownOnLevelError=void 0===t.switchDownOnLevelError||t.switchDownOnLevelError,this._seekMode=void 0===t.seekMode?"ACCURATE":t.seekMode,this._keyLoadMaxRetry=void 0===t.keyLoadMaxRetry?3:t.keyLoadMaxRetry,this._keyLoadMaxRetryTimeout=void 0===t.keyLoadMaxRetryTimeout?64e3:t.keyLoadMaxRetryTimeout,this._fragmentLoadMaxRetry=void 0===t.fragmentLoadMaxRetry?3:t.fragmentLoadMaxRetry,this._fragmentLoadMaxRetryTimeout=void 0===t.fragmentLoadMaxRetryTimeout?4e3:t.fragmentLoadMaxRetryTimeout,this._fragmentLoadSkipAfterMaxRetry=void 0===t.fragmentLoadSkipAfterMaxRetry||t.fragmentLoadSkipAfterMaxRetry,this._maxSkippedFragments=void 0===t.maxSkippedFragments?5:t.maxSkippedFragments,this._flushLiveURLCache=void 0!==t.flushLiveURLCache&&t.flushLiveURLCache,this._initialLiveManifestSize=void 0===t.initialLiveManifestSize?1:t.initialLiveManifestSize,this._manifestLoadMaxRetry=void 0===t.manifestLoadMaxRetry?3:t.manifestLoadMaxRetry,this._manifestLoadMaxRetryTimeout=void 0===t.manifestLoadMaxRetryTimeout?64e3:t.manifestLoadMaxRetryTimeout,this._manifestRedundantLoadmaxRetry=void 0===t.manifestRedundantLoadmaxRetry?3:t.manifestRedundantLoadmaxRetry,this._startFromBitrate=void 0===t.startFromBitrate?-1:t.startFromBitrate,this._startFromLevel=void 0===t.startFromLevel?-1:t.startFromLevel,this._autoStartMaxDuration=void 0===t.autoStartMaxDuration?-1:t.autoStartMaxDuration,this._seekFromLevel=void 0===t.seekFromLevel?-1:t.seekFromLevel,this._useHardwareVideoDecoder=void 0!==t.useHardwareVideoDecoder&&t.useHardwareVideoDecoder,this._hlsLogEnabled=void 0===t.hlsLogEnabled||t.hlsLogEnabled,this._logDebug=void 0!==t.logDebug&&t.logDebug,this._logDebug2=void 0!==t.logDebug2&&t.logDebug2,this._logWarn=void 0===t.logWarn||t.logWarn,this._logError=void 0===t.logError||t.logError,this._hlsMinimumDvrSize=void 0===t.hlsMinimumDvrSize?60:t.hlsMinimumDvrSize},e.prototype._addListeners=function(){var t=this;E.default.on(this.cid+":flashready",function(){return t._bootstrap()}),E.default.on(this.cid+":timeupdate",function(e){return t._updateTime(e)}),E.default.on(this.cid+":playbackstate",function(e){return t._setPlaybackState(e)}),E.default.on(this.cid+":levelchanged",function(e){return t._levelChanged(e)}),E.default.on(this.cid+":error",function(e,i,r){return t._flashPlaybackError(e,i,r)}),E.default.on(this.cid+":fragmentloaded",function(e){return t._onFragmentLoaded(e)}),E.default.on(this.cid+":levelendlist",function(e){return t._onLevelEndlist(e)})},e.prototype.stopListening=function(){t.prototype.stopListening.call(this),E.default.off(this.cid+":flashready"),E.default.off(this.cid+":timeupdate"),E.default.off(this.cid+":playbackstate"),E.default.off(this.cid+":levelchanged"),E.default.off(this.cid+":playbackerror"),E.default.off(this.cid+":fragmentloaded"),E.default.off(this.cid+":manifestloaded"),E.default.off(this.cid+":levelendlist")},e.prototype._bootstrap=function(){var t=this;this.el.playerLoad?(this.el.width="100%",this.el.height="100%",this._isReadyState=!0,this._srcLoaded=!1,this._currentState="IDLE",this._setFlashSettings(),this._updatePlaybackType(),(this._autoPlay||this._shouldPlayOnManifestLoaded)&&this.play(),this.trigger(g.default.PLAYBACK_READY,this.name)):(this._bootstrapAttempts=this._bootstrapAttempts||0,++this._bootstrapAttempts<=60?setTimeout(function(){return t._bootstrap()},50):this.trigger(g.default.PLAYBACK_ERROR,{message:"Max number of attempts reached"},this.name))},e.prototype._setFlashSettings=function(){this.el.playerSetAutoStartLoad(this._autoStartLoad),this.el.playerSetCapLevelToStage(this._capLevelToStage),this.el.playerSetMaxLevelCappingMode(this._maxLevelCappingMode),this.el.playerSetMinBufferLength(this._minBufferLength),this.el.playerSetMinBufferLengthCapping(this._minBufferLengthCapping),this.el.playerSetMaxBufferLength(this._maxBufferLength),this.el.playerSetMaxBackBufferLength(this._maxBackBufferLength),this.el.playerSetLowBufferLength(this._lowBufferLength),this.el.playerSetMediaTimePeriod(this._mediaTimePeriod),this.el.playerSetFpsDroppedMonitoringPeriod(this._fpsDroppedMonitoringPeriod),this.el.playerSetFpsDroppedMonitoringThreshold(this._fpsDroppedMonitoringThreshold),this.el.playerSetCapLevelonFPSDrop(this._capLevelonFPSDrop),this.el.playerSetSmoothAutoSwitchonFPSDrop(this._smoothAutoSwitchonFPSDrop),this.el.playerSetSwitchDownOnLevelError(this._switchDownOnLevelError),this.el.playerSetSeekMode(this._seekMode),this.el.playerSetKeyLoadMaxRetry(this._keyLoadMaxRetry),this.el.playerSetKeyLoadMaxRetryTimeout(this._keyLoadMaxRetryTimeout),this.el.playerSetFragmentLoadMaxRetry(this._fragmentLoadMaxRetry),this.el.playerSetFragmentLoadMaxRetryTimeout(this._fragmentLoadMaxRetryTimeout),this.el.playerSetFragmentLoadSkipAfterMaxRetry(this._fragmentLoadSkipAfterMaxRetry),this.el.playerSetMaxSkippedFragments(this._maxSkippedFragments),this.el.playerSetFlushLiveURLCache(this._flushLiveURLCache),this.el.playerSetInitialLiveManifestSize(this._initialLiveManifestSize),this.el.playerSetManifestLoadMaxRetry(this._manifestLoadMaxRetry),this.el.playerSetManifestLoadMaxRetryTimeout(this._manifestLoadMaxRetryTimeout),this.el.playerSetManifestRedundantLoadmaxRetry(this._manifestRedundantLoadmaxRetry),this.el.playerSetStartFromBitrate(this._startFromBitrate),this.el.playerSetStartFromLevel(this._startFromLevel),this.el.playerSetAutoStartMaxDuration(this._autoStartMaxDuration),this.el.playerSetSeekFromLevel(this._seekFromLevel),this.el.playerSetUseHardwareVideoDecoder(this._useHardwareVideoDecoder),this.el.playerSetLogInfo(this._hlsLogEnabled),this.el.playerSetLogDebug(this._logDebug),this.el.playerSetLogDebug2(this._logDebug2),this.el.playerSetLogWarn(this._logWarn),this.el.playerSetLogError(this._logError)},e.prototype.setAutoStartLoad=function(t){this._autoStartLoad=t,this.el.playerSetAutoStartLoad(this._autoStartLoad)},e.prototype.setCapLevelToStage=function(t){this._capLevelToStage=t,this.el.playerSetCapLevelToStage(this._capLevelToStage)},e.prototype.setMaxLevelCappingMode=function(t){this._maxLevelCappingMode=t,this.el.playerSetMaxLevelCappingMode(this._maxLevelCappingMode)},e.prototype.setSetMinBufferLength=function(t){this._minBufferLength=t,this.el.playerSetMinBufferLength(this._minBufferLength)},e.prototype.setMinBufferLengthCapping=function(t){this._minBufferLengthCapping=t,this.el.playerSetMinBufferLengthCapping(this._minBufferLengthCapping)},e.prototype.setMaxBufferLength=function(t){this._maxBufferLength=t,this.el.playerSetMaxBufferLength(this._maxBufferLength)},e.prototype.setMaxBackBufferLength=function(t){this._maxBackBufferLength=t,this.el.playerSetMaxBackBufferLength(this._maxBackBufferLength)},e.prototype.setLowBufferLength=function(t){this._lowBufferLength=t,this.el.playerSetLowBufferLength(this._lowBufferLength)},e.prototype.setMediaTimePeriod=function(t){this._mediaTimePeriod=t,this.el.playerSetMediaTimePeriod(this._mediaTimePeriod)},e.prototype.setFpsDroppedMonitoringPeriod=function(t){this._fpsDroppedMonitoringPeriod=t,this.el.playerSetFpsDroppedMonitoringPeriod(this._fpsDroppedMonitoringPeriod)},e.prototype.setFpsDroppedMonitoringThreshold=function(t){this._fpsDroppedMonitoringThreshold=t,this.el.playerSetFpsDroppedMonitoringThreshold(this._fpsDroppedMonitoringThreshold)},e.prototype.setCapLevelonFPSDrop=function(t){this._capLevelonFPSDrop=t,this.el.playerSetCapLevelonFPSDrop(this._capLevelonFPSDrop)},e.prototype.setSmoothAutoSwitchonFPSDrop=function(t){this._smoothAutoSwitchonFPSDrop=t,this.el.playerSetSmoothAutoSwitchonFPSDrop(this._smoothAutoSwitchonFPSDrop)},e.prototype.setSwitchDownOnLevelError=function(t){this._switchDownOnLevelError=t,this.el.playerSetSwitchDownOnLevelError(this._switchDownOnLevelError)},e.prototype.setSeekMode=function(t){this._seekMode=t,this.el.playerSetSeekMode(this._seekMode)},e.prototype.setKeyLoadMaxRetry=function(t){this._keyLoadMaxRetry=t,this.el.playerSetKeyLoadMaxRetry(this._keyLoadMaxRetry)},e.prototype.setKeyLoadMaxRetryTimeout=function(t){this._keyLoadMaxRetryTimeout=t,this.el.playerSetKeyLoadMaxRetryTimeout(this._keyLoadMaxRetryTimeout)},e.prototype.setFragmentLoadMaxRetry=function(t){this._fragmentLoadMaxRetry=t,this.el.playerSetFragmentLoadMaxRetry(this._fragmentLoadMaxRetry)},e.prototype.setFragmentLoadMaxRetryTimeout=function(t){this._fragmentLoadMaxRetryTimeout=t,this.el.playerSetFragmentLoadMaxRetryTimeout(this._fragmentLoadMaxRetryTimeout)},e.prototype.setFragmentLoadSkipAfterMaxRetry=function(t){this._fragmentLoadSkipAfterMaxRetry=t,this.el.playerSetFragmentLoadSkipAfterMaxRetry(this._fragmentLoadSkipAfterMaxRetry)},e.prototype.setMaxSkippedFragments=function(t){this._maxSkippedFragments=t,this.el.playerSetMaxSkippedFragments(this._maxSkippedFragments)},e.prototype.setFlushLiveURLCache=function(t){this._flushLiveURLCache=t,this.el.playerSetFlushLiveURLCache(this._flushLiveURLCache)},e.prototype.setInitialLiveManifestSize=function(t){this._initialLiveManifestSize=t,this.el.playerSetInitialLiveManifestSize(this._initialLiveManifestSize)},e.prototype.setManifestLoadMaxRetry=function(t){this._manifestLoadMaxRetry=t,this.el.playerSetManifestLoadMaxRetry(this._manifestLoadMaxRetry)},e.prototype.setManifestLoadMaxRetryTimeout=function(t){this._manifestLoadMaxRetryTimeout=t,this.el.playerSetManifestLoadMaxRetryTimeout(this._manifestLoadMaxRetryTimeout)},e.prototype.setManifestRedundantLoadmaxRetry=function(t){this._manifestRedundantLoadmaxRetry=t,this.el.playerSetManifestRedundantLoadmaxRetry(this._manifestRedundantLoadmaxRetry)},e.prototype.setStartFromBitrate=function(t){this._startFromBitrate=t,this.el.playerSetStartFromBitrate(this._startFromBitrate)},e.prototype.setStartFromLevel=function(t){this._startFromLevel=t,this.el.playerSetStartFromLevel(this._startFromLevel)},e.prototype.setAutoStartMaxDuration=function(t){this._autoStartMaxDuration=t,this.el.playerSetAutoStartMaxDuration(this._autoStartMaxDuration)},e.prototype.setSeekFromLevel=function(t){this._seekFromLevel=t,this.el.playerSetSeekFromLevel(this._seekFromLevel)},e.prototype.setUseHardwareVideoDecoder=function(t){this._useHardwareVideoDecoder=t,this.el.playerSetUseHardwareVideoDecoder(this._useHardwareVideoDecoder)},e.prototype.setSetLogInfo=function(t){this._hlsLogEnabled=t,this.el.playerSetLogInfo(this._hlsLogEnabled)},e.prototype.setLogDebug=function(t){this._logDebug=t,this.el.playerSetLogDebug(this._logDebug)},e.prototype.setLogDebug2=function(t){this._logDebug2=t,this.el.playerSetLogDebug2(this._logDebug2)},e.prototype.setLogWarn=function(t){this._logWarn=t,this.el.playerSetLogWarn(this._logWarn)},e.prototype.setLogError=function(t){this._logError=t,this.el.playerSetLogError(this._logError)},e.prototype._levelChanged=function(t){var e=this.el.getLevels()[t];e&&(this.highDefinition=e.height>=720||e.bitrate/1e3>=2e3,this.trigger(g.default.PLAYBACK_HIGHDEFINITIONUPDATE,this.highDefinition),this._levels&&0!==this._levels.length||this._fillLevels(),this.trigger(g.default.PLAYBACK_BITRATE,{height:e.height,width:e.width,bandwidth:e.bitrate,bitrate:e.bitrate,level:t}),this.trigger(g.default.PLAYBACK_LEVEL_SWITCH_END))},e.prototype._updateTime=function(t){if("IDLE"!==this._currentState){var e=this._normalizeDuration(t.duration),i=Math.min(Math.max(t.position,0),e),r=this._dvrEnabled,n=this._playbackType===b.default.LIVE;this._dvrEnabled=n&&e>this._hlsMinimumDvrSize,100!==e&&void 0!==n&&(this._dvrEnabled!==r&&(this._updateSettings(),this.trigger(g.default.PLAYBACK_SETTINGSUPDATE,this.name)),!n||this._dvrEnabled&&this._dvrInUse||(i=e),this.trigger(g.default.PLAYBACK_TIMEUPDATE,{current:i,total:e},this.name))}},e.prototype.play=function(){this.trigger(g.default.PLAYBACK_PLAY_INTENT),"PAUSED"===this._currentState?this.el.playerResume():this._srcLoaded||"PLAYING"===this._currentState?this.el.playerPlay():this._firstPlay()},e.prototype.getPlaybackType=function(){return this._playbackType?this._playbackType:null},e.prototype.getCurrentTime=function(){return this.el.getPosition()},e.prototype.getCurrentLevelIndex=function(){return this._currentLevel},e.prototype.getCurrentLevel=function(){return this.levels[this.currentLevel]},e.prototype.getCurrentBitrate=function(){return this.levels[this.currentLevel].bitrate},e.prototype.setCurrentLevel=function(t){this.currentLevel=t},e.prototype.isHighDefinitionInUse=function(){return this.highDefinition},e.prototype.getLevels=function(){return this.levels},e.prototype._setPlaybackState=function(t){["PLAYING_BUFFERING","PAUSED_BUFFERING"].indexOf(t)>=0?(this._bufferingState=!0,this.trigger(g.default.PLAYBACK_BUFFERING,this.name),this._updateCurrentState(t)):["PLAYING","PAUSED"].indexOf(t)>=0?(["PLAYING_BUFFERING","PAUSED_BUFFERING","IDLE"].indexOf(this._currentState)>=0&&(this._bufferingState=!1,this.trigger(g.default.PLAYBACK_BUFFERFULL,this.name)),this._updateCurrentState(t)):"IDLE"===t&&(this._srcLoaded=!1,this._loop&&["PLAYING_BUFFERING","PLAYING"].indexOf(this._currentState)>=0?(this.play(),this.seek(0)):(this._updateCurrentState(t),this._hasEnded=!0,this.trigger(g.default.PLAYBACK_TIMEUPDATE,{current:0,total:this.getDuration()},this.name),this.trigger(g.default.PLAYBACK_ENDED,this.name)))},e.prototype._updateCurrentState=function(t){this._currentState=t,"IDLE"!==t&&(this._hasEnded=!1),this._updatePlaybackType(),"PLAYING"===t?this.trigger(g.default.PLAYBACK_PLAY,this.name):"PAUSED"===t&&this.trigger(g.default.PLAYBACK_PAUSE,this.name)},e.prototype._updatePlaybackType=function(){this._playbackType=this.el.getType(),this._playbackType&&(this._playbackType=this._playbackType.toLowerCase(),this._playbackType===b.default.VOD?this._startReportingProgress():this._stopReportingProgress()),this.trigger(g.default.PLAYBACK_PLAYBACKSTATE,{type:this._playbackType})},e.prototype._startReportingProgress=function(){this._reportingProgress||(this._reportingProgress=!0)},e.prototype._stopReportingProgress=function(){this._reportingProgress=!1},e.prototype._onFragmentLoaded=function(t){if(this.trigger(g.default.PLAYBACK_FRAGMENT_LOADED,t),this._reportingProgress&&this.getCurrentTime()){var e=this.getCurrentTime()+this.el.getbufferLength();this.trigger(g.default.PLAYBACK_PROGRESS,{start:this.getCurrentTime(),current:e,total:this.el.getDuration()})}},e.prototype._onLevelEndlist=function(){this._updatePlaybackType()},e.prototype._firstPlay=function(){var t=this;this._shouldPlayOnManifestLoaded=!0,this.el.playerLoad&&(E.default.once(this.cid+":manifestloaded",function(e,i){return t._manifestLoaded(e,i)}),this._setFlashSettings(),this.el.playerLoad(this._src),this._srcLoaded=!0)},e.prototype.volume=function(t){var e=this;this.isReady?this.el.playerVolume(t):this.listenToOnce(this,g.default.PLAYBACK_BUFFERFULL,function(){return e.volume(t)})},e.prototype.pause=function(){(this._playbackType!==b.default.LIVE||this._dvrEnabled)&&(this.el.playerPause(),this._playbackType===b.default.LIVE&&this._dvrEnabled&&this._updateDvr(!0))},e.prototype.stop=function(){this._srcLoaded=!1,this.el.playerStop(),this.trigger(g.default.PLAYBACK_STOP),this.trigger(g.default.PLAYBACK_TIMEUPDATE,{current:0,total:0},this.name)},e.prototype.isPlaying=function(){return!!this._currentState&&!!this._currentState.match(/playing/i)},e.prototype.getDuration=function(){return this._normalizeDuration(this.el.getDuration())},e.prototype._normalizeDuration=function(t){return this._playbackType===b.default.LIVE&&(t=Math.max(0,t-10)),t},e.prototype.seekPercentage=function(t){var e=this.el.getDuration(),i=0;t>0&&(i=e*t/100),this.seek(i)},e.prototype.seek=function(t){var e=this.getDuration();if(this._playbackType===b.default.LIVE){var i=e-t>3;this._updateDvr(i)}this.el.playerSeek(t),this.trigger(g.default.PLAYBACK_TIMEUPDATE,{current:t,total:e},this.name)},e.prototype._updateDvr=function(t){var e=!!this._dvrInUse;this._dvrInUse=t,this._dvrInUse!==e&&(this._updateSettings(),this.trigger(g.default.PLAYBACK_DVR,this._dvrInUse),this.trigger(g.default.PLAYBACK_STATS_ADD,{dvr:this._dvrInUse}))},e.prototype._flashPlaybackError=function(t,e,i){this.trigger(g.default.PLAYBACK_ERROR,{code:t,url:e,message:i}),this.trigger(g.default.PLAYBACK_STOP)},e.prototype._manifestLoaded=function(t,e){this._shouldPlayOnManifestLoaded&&(this._shouldPlayOnManifestLoaded=!1,this.el.playerPlay()),this._fillLevels(),this.trigger(g.default.PLAYBACK_LOADEDMETADATA,{duration:t,data:e})},e.prototype._fillLevels=function(){var t=this.el.getLevels(),e=t.length;this._levels=[];for(var i=0;i<e;i++)this._levels.push({id:i,label:t[i].height+"p",level:t[i]});this.trigger(g.default.PLAYBACK_LEVELS_AVAILABLE,this._levels)},e.prototype.destroy=function(){this.stopListening(),this.$el.remove()},e.prototype._updateSettings=function(){this.settings=C.default.extend({},this._defaultSettings),this._playbackType===b.default.VOD||this._dvrInUse?(this.settings.left=["playpause","position","duration"],this.settings.seekEnabled=!0):this._dvrEnabled?(this.settings.left=["playpause"],this.settings.seekEnabled=!0):this.settings.seekEnabled=!1},e.prototype._createCallbacks=function(){var t=this;window.Clappr||(window.Clappr={}),window.Clappr.flashlsCallbacks||(window.Clappr.flashlsCallbacks={}),this.flashlsEvents=new S.default(this.cid),window.Clappr.flashlsCallbacks[this.cid]=function(e,i){t.flashlsEvents[e].apply(t.flashlsEvents,i)}},e.prototype.render=function(){return t.prototype.render.call(this),this._createCallbacks(),this},(0,u.default)(e,[{key:"isReady",get:function(){return this._isReadyState}},{key:"dvrEnabled",get:function(){return!!this._dvrEnabled}}]),e}(h.default);e.default=O,O.canPlay=function(t,e){var i=t.split("?")[0].match(/.*\.(.*)$/)||[];return k.default.hasFlash&&(i.length>1&&"m3u8"===i[1].toLowerCase()||"application/x-mpegURL"===e||"application/vnd.apple.mpegurl"===e)},t.exports=e.default},function(t,e,i){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}Object.defineProperty(e,"__esModule",{value:!0});var n=i(0),a=r(n),o=i(24),s=r(o),l=function(){function t(e){(0,a.default)(this,t),this.instanceId=e}return t.prototype.ready=function(){s.default.trigger(this.instanceId+":flashready")},t.prototype.videoSize=function(t,e){s.default.trigger(this.instanceId+":videosizechanged",t,e)},t.prototype.complete=function(){s.default.trigger(this.instanceId+":complete")},t.prototype.error=function(t,e,i){s.default.trigger(this.instanceId+":error",t,e,i)},t.prototype.manifest=function(t,e){s.default.trigger(this.instanceId+":manifestloaded",t,e)},t.prototype.audioLevelLoaded=function(t){s.default.trigger(this.instanceId+":audiolevelloaded",t)},t.prototype.levelLoaded=function(t){s.default.trigger(this.instanceId+":levelloaded",t)},t.prototype.levelEndlist=function(t){s.default.trigger(this.instanceId+":levelendlist",t)},t.prototype.fragmentLoaded=function(t){s.default.trigger(this.instanceId+":fragmentloaded",t)},t.prototype.fragmentPlaying=function(t){s.default.trigger(this.instanceId+":fragmentplaying",t)},t.prototype.position=function(t){s.default.trigger(this.instanceId+":timeupdate",t)},t.prototype.state=function(t){s.default.trigger(this.instanceId+":playbackstate",t)},t.prototype.seekState=function(t){s.default.trigger(this.instanceId+":seekstate",t)},t.prototype.switch=function(t){s.default.trigger(this.instanceId+":levelchanged",t)},t.prototype.audioTracksListChange=function(t){s.default.trigger(this.instanceId+":audiotracklistchanged",t)},t.prototype.audioTrackChange=function(t){s.default.trigger(this.instanceId+":audiotrackchanged",t)},t}();e.default=l,t.exports=e.default},function(t,e){t.exports="<%=baseUrl%>/809981e5b09d5336c45d72d0869ada2a.swf"},function(t,e,i){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}Object.defineProperty(e,"__esModule",{value:!0});var n=i(79),a=r(n),o=i(0),s=r(o),l=i(1),u=r(l),d=i(3),c=r(d),f=i(2),h=r(f),p=i(35),g=r(p),y=i(173),v=r(y),m=i(4),b=r(m),_=i(9),E=r(_),T=i(5),k=i(55),A=r(k),S=function(t){function e(){(0,s.default)(this,e);for(var i=arguments.length,r=Array(i),n=0;n<i;n++)r[n]=arguments[n];var a=(0,u.default)(this,t.call.apply(t,[this].concat(r)));return a.options.playback||(a.options.playback=a.options),a._minDvrSize=void 0===a.options.hlsMinimumDvrSize?60:a.options.hlsMinimumDvrSize,a._extrapolatedWindowNumSegments=a.options.playback&&void 0!==a.options.playback.extrapolatedWindowNumSegments?a.options.playback.extrapolatedWindowNumSegments:2,a._playbackType=E.default.VOD,a._lastTimeUpdate=null,a._lastDuration=null,a._playableRegionStartTime=0,a._localStartTimeCorrelation=null,a._localEndTimeCorrelation=null,a._playableRegionDuration=0,a._durationExcludesAfterLiveSyncPoint=!1,a._segmentTargetDuration=null,a._playlistType=null,a._recoverAttemptsRemaining=a.options.hlsRecoverAttempts||16,a._startTimeUpdateTimer(),a}return(0,h.default)(e,t),(0,c.default)(e,[{key:"name",get:function(){return"hls"}},{key:"levels",get:function(){return this._levels||[]}},{key:"currentLevel",get:function(){return null===this._currentLevel||void 0===this._currentLevel?-1:this._currentLevel},set:function(t){this._currentLevel=t,this.trigger(b.default.PLAYBACK_LEVEL_SWITCH_START),this._hls.currentLevel=this._currentLevel}},{key:"_startTime",get:function(){return this._playbackType===E.default.LIVE&&"EVENT"!==this._playlistType?this._extrapolatedStartTime:this._playableRegionStartTime}},{key:"_now",get:function(){return(0,T.now)()}},{key:"_extrapolatedStartTime",get:function(){if(!this._localStartTimeCorrelation)return this._playableRegionStartTime;var t=this._localStartTimeCorrelation,e=this._now-t.local,i=(t.remote+e)/1e3;return Math.min(i,this._playableRegionStartTime+this._extrapolatedWindowDuration)}},{key:"_extrapolatedEndTime",get:function(){var t=this._playableRegionStartTime+this._playableRegionDuration;if(!this._localEndTimeCorrelation)return t;var e=this._localEndTimeCorrelation,i=this._now-e.local,r=(e.remote+i)/1e3;return Math.max(t-this._extrapolatedWindowDuration,Math.min(r,t))}},{key:"_duration",get:function(){return this._extrapolatedEndTime-this._startTime}},{key:"_extrapolatedWindowDuration",get:function(){return null===this._segmentTargetDuration?0:this._extrapolatedWindowNumSegments*this._segmentTargetDuration}}],[{key:"HLSJS",get:function(){return v.default}}]),e.prototype._setupHls=function(){var t=this;this._ccIsSetup=!1,this._ccTracksUpdated=!1,this._hls=new v.default(this.options.playback.hlsjsConfig||{}),this._hls.on(v.default.Events.MEDIA_ATTACHED,function(){return t._hls.loadSource(t.options.src)}),this._hls.on(v.default.Events.LEVEL_LOADED,function(e,i){return t._updatePlaybackType(e,i)}),this._hls.on(v.default.Events.LEVEL_UPDATED,function(e,i){return t._onLevelUpdated(e,i)}),this._hls.on(v.default.Events.LEVEL_SWITCH,function(e,i){return t._onLevelSwitch(e,i)}),this._hls.on(v.default.Events.FRAG_LOADED,function(e,i){return t._onFragmentLoaded(e,i)}),this._hls.on(v.default.Events.ERROR,function(e,i){return t._onHLSJSError(e,i)}),this._hls.on(v.default.Events.SUBTITLE_TRACK_LOADED,function(e,i){return t._onSubtitleLoaded(e,i)}),this._hls.on(v.default.Events.SUBTITLE_TRACKS_UPDATED,function(){return t._ccTracksUpdated=!0}),this._hls.attachMedia(this.el)},e.prototype._recover=function(t,e){this._recoveredDecodingError?this._recoveredAudioCodecError?(A.default.error("hlsjs: failed to recover"),this.trigger(b.default.PLAYBACK_ERROR,"hlsjs: could not recover from error, evt "+t+", data "+e+" ",this.name)):(this._recoveredAudioCodecError=!0,this._hls.swapAudioCodec(),this._hls.recoverMediaError()):(this._recoveredDecodingError=!0,this._hls.recoverMediaError())},e.prototype._setupSrc=function(t){},e.prototype._startTimeUpdateTimer=function(){var t=this;this._timeUpdateTimer=setInterval(function(){t._onDurationChange(),t._onTimeUpdate()},100)},e.prototype._stopTimeUpdateTimer=function(){clearInterval(this._timeUpdateTimer)},e.prototype.getDuration=function(){return this._duration},e.prototype.getCurrentTime=function(){return Math.max(0,this.el.currentTime-this._startTime)},e.prototype.getStartTimeOffset=function(){return this._startTime},e.prototype.seekPercentage=function(t){var e=this._duration;t>0&&(e=this._duration*(t/100)),this.seek(e)},e.prototype.seek=function(e){e<0&&(A.default.warn("Attempt to seek to a negative time. Resetting to live point. Use seekToLivePoint() to seek to the live point."),e=this.getDuration()),this.dvrEnabled&&this._updateDvr(e<this.getDuration()-3),e+=this._startTime,t.prototype.seek.call(this,e)},e.prototype.seekToLivePoint=function(){this.seek(this.getDuration())},e.prototype._updateDvr=function(t){this.trigger(b.default.PLAYBACK_DVR,t),this.trigger(b.default.PLAYBACK_STATS_ADD,{dvr:t})},e.prototype._updateSettings=function(){this._playbackType===E.default.VOD?this.settings.left=["playpause","position","duration"]:this.dvrEnabled?this.settings.left=["playpause"]:this.settings.left=["playstop"],this.settings.seekEnabled=this.isSeekEnabled(),this.trigger(b.default.PLAYBACK_SETTINGSUPDATE)},e.prototype._onHLSJSError=function(t,e){if(e.fatal)if(this._recoverAttemptsRemaining>0)switch(this._recoverAttemptsRemaining-=1,e.type){case v.default.ErrorTypes.NETWORK_ERROR:switch(e.details){case v.default.ErrorDetails.MANIFEST_LOAD_ERROR:case v.default.ErrorDetails.MANIFEST_LOAD_TIMEOUT:case v.default.ErrorDetails.MANIFEST_PARSING_ERROR:case v.default.ErrorDetails.LEVEL_LOAD_ERROR:case v.default.ErrorDetails.LEVEL_LOAD_TIMEOUT:A.default.error("hlsjs: unrecoverable network fatal error, evt "+t+", data "+e+" "),this.trigger(b.default.PLAYBACK_ERROR,{evt:t,data:e},this.name);break;default:A.default.warn("hlsjs: trying to recover from network error, evt "+t+", data "+e+" "),this._hls.startLoad()}break;case v.default.ErrorTypes.MEDIA_ERROR:A.default.warn("hlsjs: trying to recover from media error, evt "+t+", data "+e+" "),this._recover(t,e);break;default:A.default.error("hlsjs: trying to recover from error, evt "+t+", data "+e+" "),this.trigger(b.default.PLAYBACK_ERROR,"hlsjs: could not recover from error, evt "+t+", data "+e+" ",this.name)}else A.default.error("hlsjs: could not recover from error after maximum number of attempts, evt "+t+", data "+e+" "),this.trigger(b.default.PLAYBACK_ERROR,{evt:t,data:e},this.name);else A.default.warn("hlsjs: non-fatal error occurred, evt "+t+", data "+e+" ")},e.prototype._onTimeUpdate=function(){var t={current:this.getCurrentTime(),total:this.getDuration()};this._lastTimeUpdate&&t.current===this._lastTimeUpdate.current&&t.total===this._lastTimeUpdate.total||(this._lastTimeUpdate=t,this.trigger(b.default.PLAYBACK_TIMEUPDATE,t,this.name))},e.prototype._onDurationChange=function(){var e=this.getDuration();this._lastDuration!==e&&(this._lastDuration=e,t.prototype._onDurationChange.call(this))},e.prototype._onProgress=function(){if(this.el.buffered.length){for(var t=[],e=0,i=0;i<this.el.buffered.length;i++)t=[].concat((0,a.default)(t),[{start:Math.max(0,this.el.buffered.start(i)-this._playableRegionStartTime),end:Math.max(0,this.el.buffered.end(i)-this._playableRegionStartTime)}]),this.el.currentTime>=t[i].start&&this.el.currentTime<=t[i].end&&(e=i);var r={start:t[e].start,current:t[e].end,total:this.getDuration()};this.trigger(b.default.PLAYBACK_PROGRESS,r,t)}},e.prototype.play=function(){this._hls||this._setupHls(),t.prototype.play.call(this)},e.prototype.pause=function(){this._hls&&(t.prototype.pause.call(this),this.dvrEnabled&&this._updateDvr(!0))},e.prototype.stop=function(){this._hls&&(t.prototype.stop.call(this),this._hls.destroy(),delete this._hls)},e.prototype.destroy=function(){this._stopTimeUpdateTimer(),this._hls&&(this._hls.destroy(),delete this._hls),t.prototype.destroy.call(this)},e.prototype._updatePlaybackType=function(t,e){this._playbackType=e.details.live?E.default.LIVE:E.default.VOD,this._fillLevels(),this._onLevelUpdated(t,e),this._ccTracksUpdated&&this._playbackType===E.default.LIVE&&this.hasClosedCaptionsTracks&&this._onSubtitleLoaded()},e.prototype._fillLevels=function(){this._levels=this._hls.levels.map(function(t,e){return{id:e,level:t,label:t.bitrate/1e3+"Kbps"}}),this.trigger(b.default.PLAYBACK_LEVELS_AVAILABLE,this._levels)},e.prototype._onLevelUpdated=function(t,e){this._segmentTargetDuration=e.details.targetduration,this._playlistType=e.details.type||null;var i=!1,r=!1,n=e.details.fragments,a=this._playableRegionStartTime,o=this._playableRegionDuration;if(0!==n.length){if(this._playableRegionStartTime!==n[0].start&&(i=!0,this._playableRegionStartTime=n[0].start),i)if(this._localStartTimeCorrelation){var s=this._localStartTimeCorrelation,l=this._now-s.local,u=(s.remote+l)/1e3;u<n[0].start?this._localStartTimeCorrelation={local:this._now,remote:1e3*n[0].start}:u>a+this._extrapolatedWindowDuration&&(this._localStartTimeCorrelation={local:this._now,remote:1e3*Math.max(n[0].start,a+this._extrapolatedWindowDuration)})}else this._localStartTimeCorrelation={local:this._now,remote:1e3*(n[0].start+this._extrapolatedWindowDuration/2)};var d=e.details.totalduration;if(this._playbackType===E.default.LIVE){var c=e.details.targetduration,f=this.options.playback||{},h=f.liveSyncDurationCount||v.default.DefaultConfig.liveSyncDurationCount,p=c*h;p<=d?(d-=p,this._durationExcludesAfterLiveSyncPoint=!0):this._durationExcludesAfterLiveSyncPoint=!1}d!==this._playableRegionDuration&&(r=!0,this._playableRegionDuration=d);var g=n[0].start+d,y=a+o;if(g!==y)if(this._localEndTimeCorrelation){var m=this._localEndTimeCorrelation,b=this._now-m.local,_=(m.remote+b)/1e3;_>g?this._localEndTimeCorrelation={local:this._now,remote:1e3*g}:_<g-this._extrapolatedWindowDuration?this._localEndTimeCorrelation={local:this._now,remote:1e3*(g-this._extrapolatedWindowDuration)}:_>y&&(this._localEndTimeCorrelation={local:this._now,remote:1e3*y})}else this._localEndTimeCorrelation={local:this._now,remote:1e3*g};r&&this._onDurationChange(),i&&this._onProgress()}},e.prototype._onFragmentLoaded=function(t,e){this.trigger(b.default.PLAYBACK_FRAGMENT_LOADED,e)},e.prototype._onSubtitleLoaded=function(){if(!this._ccIsSetup){this.trigger(b.default.PLAYBACK_SUBTITLE_AVAILABLE);var t=this._playbackType===E.default.LIVE?-1:this.closedCaptionsTrackId;this.closedCaptionsTrackId=t,this._ccIsSetup=!0}},e.prototype._onLevelSwitch=function(t,e){this.levels.length||this._fillLevels(),this.trigger(b.default.PLAYBACK_LEVEL_SWITCH_END),this.trigger(b.default.PLAYBACK_LEVEL_SWITCH,e);var i=this._hls.levels[e.level];i&&(this.highDefinition=i.height>=720||i.bitrate/1e3>=2e3,this.trigger(b.default.PLAYBACK_HIGHDEFINITIONUPDATE,this.highDefinition),this.trigger(b.default.PLAYBACK_BITRATE,{height:i.height,width:i.width,bandwidth:i.bitrate,bitrate:i.bitrate,level:e.level}))},e.prototype.getPlaybackType=function(){return this._playbackType},e.prototype.isSeekEnabled=function(){return this._playbackType===E.default.VOD||this.dvrEnabled},(0,c.default)(e,[{key:"dvrEnabled",get:function(){return this._durationExcludesAfterLiveSyncPoint&&this._duration>=this._minDvrSize&&this.getPlaybackType()===E.default.LIVE}}]),e}(g.default);e.default=S,S.canPlay=function(t,e){var i=t.split("?")[0].match(/.*\.(.*)$/)||[],r=i.length>1&&"m3u8"===i[1].toLowerCase()||"application/x-mpegURL"===e||"application/vnd.apple.mpegurl"===e;return!(!v.default.isSupported()||!r)},t.exports=e.default},function(t,e,i){var r,r;!function(e){t.exports=e()}(function(){var t;return function t(e,i,n){function a(s,l){if(!i[s]){if(!e[s]){var u="function"==typeof r&&r;if(!l&&u)return r(s,!0);if(o)return o(s,!0);var d=new Error("Cannot find module '"+s+"'");throw d.code="MODULE_NOT_FOUND",d}var c=i[s]={exports:{}};e[s][0].call(c.exports,function(t){var i=e[s][1][t];return a(i||t)},c,c.exports,t,e,i,n)}return i[s].exports}for(var o="function"==typeof r&&r,s=0;s<n.length;s++)a(n[s]);return a}({1:[function(t,e,i){function r(){this._events=this._events||{},this._maxListeners=this._maxListeners||void 0}function n(t){return"function"==typeof t}function a(t){return"number"==typeof t}function o(t){return"object"==typeof t&&null!==t}function s(t){return void 0===t}e.exports=r,r.EventEmitter=r,r.prototype._events=void 0,r.prototype._maxListeners=void 0,r.defaultMaxListeners=10,r.prototype.setMaxListeners=function(t){if(!a(t)||t<0||isNaN(t))throw TypeError("n must be a positive number");return this._maxListeners=t,this},r.prototype.emit=function(t){var e,i,r,a,l,u;if(this._events||(this._events={}),"error"===t&&(!this._events.error||o(this._events.error)&&!this._events.error.length)){if((e=arguments[1])instanceof Error)throw e;var d=new Error('Uncaught, unspecified "error" event. ('+e+")");throw d.context=e,d}if(i=this._events[t],s(i))return!1;if(n(i))switch(arguments.length){case 1:i.call(this);break;case 2:i.call(this,arguments[1]);break;case 3:i.call(this,arguments[1],arguments[2]);break;default:a=Array.prototype.slice.call(arguments,1),i.apply(this,a)}else if(o(i))for(a=Array.prototype.slice.call(arguments,1),u=i.slice(),r=u.length,l=0;l<r;l++)u[l].apply(this,a);return!0},r.prototype.addListener=function(t,e){var i;if(!n(e))throw TypeError("listener must be a function");return this._events||(this._events={}),this._events.newListener&&this.emit("newListener",t,n(e.listener)?e.listener:e),this._events[t]?o(this._events[t])?this._events[t].push(e):this._events[t]=[this._events[t],e]:this._events[t]=e,o(this._events[t])&&!this._events[t].warned&&(i=s(this._maxListeners)?r.defaultMaxListeners:this._maxListeners)&&i>0&&this._events[t].length>i&&(this._events[t].warned=!0,console.error("(node) warning: possible EventEmitter memory leak detected. %d listeners added. Use emitter.setMaxListeners() to increase limit.",this._events[t].length),"function"==typeof console.trace&&console.trace()),this},r.prototype.on=r.prototype.addListener,r.prototype.once=function(t,e){function i(){this.removeListener(t,i),r||(r=!0,e.apply(this,arguments))}if(!n(e))throw TypeError("listener must be a function");var r=!1;return i.listener=e,this.on(t,i),this},r.prototype.removeListener=function(t,e){var i,r,a,s;if(!n(e))throw TypeError("listener must be a function");if(!this._events||!this._events[t])return this;if(i=this._events[t],a=i.length,r=-1,i===e||n(i.listener)&&i.listener===e)delete this._events[t],this._events.removeListener&&this.emit("removeListener",t,e);else if(o(i)){for(s=a;s-- >0;)if(i[s]===e||i[s].listener&&i[s].listener===e){r=s;break}if(r<0)return this;1===i.length?(i.length=0,delete this._events[t]):i.splice(r,1),this._events.removeListener&&this.emit("removeListener",t,e)}return this},r.prototype.removeAllListeners=function(t){var e,i;if(!this._events)return this;if(!this._events.removeListener)return 0===arguments.length?this._events={}:this._events[t]&&delete this._events[t],this;if(0===arguments.length){for(e in this._events)"removeListener"!==e&&this.removeAllListeners(e);return this.removeAllListeners("removeListener"),this._events={},this}if(i=this._events[t],n(i))this.removeListener(t,i);else if(i)for(;i.length;)this.removeListener(t,i[i.length-1]);return delete this._events[t],this},r.prototype.listeners=function(t){return this._events&&this._events[t]?n(this._events[t])?[this._events[t]]:this._events[t].slice():[]},r.prototype.listenerCount=function(t){if(this._events){var e=this._events[t];if(n(e))return 1;if(e)return e.length}return 0},r.listenerCount=function(t,e){return t.listenerCount(e)}},{}],2:[function(e,i,r){!function(e){var n=/^((?:[^\/;?#]+:)?)(\/\/[^\/\;?#]*)?(.*?)??(;.*?)?(\?.*?)?(#.*?)?$/,a=/^([^\/;?#]*)(.*)$/,o=/(?:\/|^)\.(?=\/)/g,s=/(?:\/|^)\.\.\/(?!\.\.\/).*?(?=\/)/g,l={buildAbsoluteURL:function(t,e,i){if(i=i||{},t=t.trim(),!(e=e.trim())){if(!i.alwaysNormalize)return t;var r=this.parseURL(t);if(!o)throw new Error("Error trying to parse base URL.");return r.path=l.normalizePath(r.path),l.buildURLFromParts(r)}var n=this.parseURL(e);if(!n)throw new Error("Error trying to parse relative URL.");if(n.scheme)return i.alwaysNormalize?(n.path=l.normalizePath(n.path),l.buildURLFromParts(n)):e;var o=this.parseURL(t);if(!o)throw new Error("Error trying to parse base URL.");if(!o.netLoc&&o.path&&"/"!==o.path[0]){var s=a.exec(o.path);o.netLoc=s[1],o.path=s[2]}o.netLoc&&!o.path&&(o.path="/");var u={scheme:o.scheme,netLoc:n.netLoc,path:null,params:n.params,query:n.query,fragment:n.fragment};if(!n.netLoc&&(u.netLoc=o.netLoc,"/"!==n.path[0]))if(n.path){var d=o.path,c=d.substring(0,d.lastIndexOf("/")+1)+n.path;u.path=l.normalizePath(c)}else u.path=o.path,n.params||(u.params=o.params,n.query||(u.query=o.query));return null===u.path&&(u.path=i.alwaysNormalize?l.normalizePath(n.path):n.path),l.buildURLFromParts(u)},parseURL:function(t){var e=n.exec(t);return e?{scheme:e[1]||"",netLoc:e[2]||"",path:e[3]||"",params:e[4]||"",query:e[5]||"",fragment:e[6]||""}:null},normalizePath:function(t){for(t=t.split("").reverse().join("").replace(o,"");t.length!==(t=t.replace(s,"")).length;);return t.split("").reverse().join("")},buildURLFromParts:function(t){return t.scheme+t.netLoc+t.path+t.params+t.query+t.fragment}};"object"==typeof r&&"object"==typeof i?i.exports=l:"function"==typeof t&&t.amd?t([],function(){return l}):"object"==typeof r?r.URLToolkit=l:e.URLToolkit=l}(this)},{}],3:[function(t,e,i){var r=arguments[3],n=arguments[4],a=arguments[5],o=JSON.stringify;e.exports=function(t,e){function i(t){y[t]=!0;for(var e in n[t][1]){var r=n[t][1][e];y[r]||i(r)}}for(var s,l=Object.keys(a),u=0,d=l.length;u<d;u++){var c=l[u],f=a[c].exports;if(f===t||f&&f.default===t){s=c;break}}if(!s){s=Math.floor(Math.pow(16,8)*Math.random()).toString(16);for(var h={},u=0,d=l.length;u<d;u++){var c=l[u];h[c]=c}n[s]=[Function(["require","module","exports"],"("+t+")(self)"),h]}var p=Math.floor(Math.pow(16,8)*Math.random()).toString(16),g={};g[s]=s,n[p]=[Function(["require"],"var f = require("+o(s)+");(f.default ? f.default : f)(self);"),g];var y={};i(p);var v="("+r+")({"+Object.keys(y).map(function(t){return o(t)+":["+n[t][0]+","+o(n[t][1])+"]"}).join(",")+"},{},["+o(p)+"])",m=window.URL||window.webkitURL||window.mozURL||window.msURL,b=new Blob([v],{type:"text/javascript"});if(e&&e.bare)return b;var _=m.createObjectURL(b),E=new Worker(_);return E.objectURL=_,E}},{}],4:[function(t,e,i){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}Object.defineProperty(i,"__esModule",{value:!0}),i.hlsDefaultConfig=void 0;var n=t(5),a=r(n),o=t(8),s=r(o),l=t(9),u=r(l),d=t(10),c=r(d),f=t(58),h=r(f),p=t(7),g=r(p),y=t(6),v=r(y),m=t(50),b=r(m),_=t(16),E=r(_),T=t(15),k=r(T),A=t(14),S=r(A);i.hlsDefaultConfig={autoStartLoad:!0,startPosition:-1,defaultAudioCodec:void 0,debug:!1,capLevelOnFPSDrop:!1,capLevelToPlayerSize:!1,initialLiveManifestSize:1,maxBufferLength:30,maxBufferSize:6e7,maxBufferHole:.5,maxSeekHole:2,lowBufferWatchdogPeriod:.5,highBufferWatchdogPeriod:3,nudgeOffset:.1,nudgeMaxRetry:3,maxFragLookUpTolerance:.25,liveSyncDurationCount:3,liveMaxLatencyDurationCount:1/0,liveSyncDuration:void 0,liveMaxLatencyDuration:void 0,maxMaxBufferLength:600,enableWorker:!0,enableSoftwareAES:!0,manifestLoadingTimeOut:1e4,manifestLoadingMaxRetry:1,manifestLoadingRetryDelay:1e3,manifestLoadingMaxRetryTimeout:64e3,startLevel:void 0,levelLoadingTimeOut:1e4,levelLoadingMaxRetry:4,levelLoadingRetryDelay:1e3,levelLoadingMaxRetryTimeout:64e3,fragLoadingTimeOut:2e4,fragLoadingMaxRetry:6,fragLoadingRetryDelay:1e3,fragLoadingMaxRetryTimeout:64e3,fragLoadingLoopThreshold:3,startFragPrefetch:!1,fpsDroppedMonitoringPeriod:5e3,fpsDroppedMonitoringThreshold:.2,appendErrorMaxRetry:3,loader:h.default,fLoader:void 0,pLoader:void 0,xhrSetup:void 0,fetchSetup:void 0,abrController:a.default,bufferController:s.default,capLevelController:u.default,fpsController:c.default,audioStreamController:v.default,audioTrackController:g.default,subtitleStreamController:S.default,subtitleTrackController:k.default,timelineController:E.default,cueHandler:b.default,enableCEA708Captions:!0,enableWebVTT:!0,captionsTextTrack1Label:"English",captionsTextTrack1LanguageCode:"en",captionsTextTrack2Label:"Spanish",captionsTextTrack2LanguageCode:"es",stretchShortVideoTrack:!1,forceKeyFrameOnDiscontinuity:!0,abrEwmaFastLive:3,abrEwmaSlowLive:9,abrEwmaFastVoD:3,abrEwmaSlowVoD:9,abrEwmaDefaultEstimate:5e5,abrBandWidthFactor:.95,abrBandWidthUpFactor:.7,abrMaxWithRealBitrate:!1,maxStarvationDelay:4,maxLoadingDelay:4,minAutoBitrate:0}},{10:10,14:14,15:15,16:16,5:5,50:50,58:58,6:6,7:7,8:8,9:9}],5:[function(t,e,i){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}function n(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function a(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}function o(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}Object.defineProperty(i,"__esModule",{value:!0});var s=function(){function t(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(e,i,r){return i&&t(e.prototype,i),r&&t(e,r),e}}(),l=t(35),u=r(l),d=t(34),c=r(d),f=t(37),h=r(f),p=t(33),g=t(53),y=t(51),v=r(y),m=function(t){function e(t){n(this,e);var i=a(this,(e.__proto__||Object.getPrototypeOf(e)).call(this,t,u.default.FRAG_LOADING,u.default.FRAG_LOADED,u.default.FRAG_BUFFERED,u.default.ERROR));return i.lastLoadedFragLevel=0,i._nextAutoLevel=-1,i.hls=t,i.onCheck=i._abandonRulesCheck.bind(i),i}return o(e,t),s(e,[{key:"destroy",value:function(){this.clearTimer(),c.default.prototype.destroy.call(this)}},{key:"onFragLoading",value:function(t){var e=t.frag;if("main"===e.type){if(this.timer||(this.timer=setInterval(this.onCheck,100)),!this._bwEstimator){var i=this.hls,r=t.frag.level,n=i.levels[r].details.live,a=i.config,o=void 0,s=void 0;n?(o=a.abrEwmaFastLive,s=a.abrEwmaSlowLive):(o=a.abrEwmaFastVoD,s=a.abrEwmaSlowVoD),this._bwEstimator=new v.default(i,s,o,a.abrEwmaDefaultEstimate)}this.fragCurrent=e}}},{key:"_abandonRulesCheck",value:function(){var t=this.hls,e=t.media,i=this.fragCurrent,r=i.loader,n=t.minAutoLevel;if(!r||r.stats&&r.stats.aborted)return g.logger.warn("frag loader destroy or aborted, disarm abandonRules"),void this.clearTimer();var a=r.stats;if(e&&(!e.paused&&0!==e.playbackRate||!e.readyState)&&i.autoLevel&&i.level){var o=performance.now()-a.trequest,s=Math.abs(e.playbackRate);if(o>500*i.duration/s){var l=t.levels,d=Math.max(1,a.bw?a.bw/8:1e3*a.loaded/o),c=l[i.level],f=c.realBitrate?Math.max(c.realBitrate,c.bitrate):c.bitrate,p=a.total?a.total:Math.max(a.loaded,Math.round(i.duration*f/8)),y=e.currentTime,v=(p-a.loaded)/d,m=(h.default.bufferInfo(e,y,t.config.maxBufferHole).end-y)/s;if(m<2*i.duration/s&&v>m){var b=void 0,_=void 0;for(_=i.level-1;_>n;_--){var E=l[_].realBitrate?Math.max(l[_].realBitrate,l[_].bitrate):l[_].bitrate;if((b=i.duration*E/(6.4*d))<m)break}b<v&&(g.logger.warn("loading too slow, abort fragment loading and switch to level "+_+":fragLoadedDelay["+_+"]<fragLoadedDelay["+(i.level-1)+"];bufferStarvationDelay:"+b.toFixed(1)+"<"+v.toFixed(1)+":"+m.toFixed(1)),t.nextLoadLevel=_,this._bwEstimator.sample(o,a.loaded),r.abort(),this.clearTimer(),t.trigger(u.default.FRAG_LOAD_EMERGENCY_ABORTED,{frag:i,stats:a}))}}}}},{key:"onFragLoaded",value:function(t){var e=t.frag;if("main"===e.type&&!isNaN(e.sn)){if(this.clearTimer(),this.lastLoadedFragLevel=e.level,this._nextAutoLevel=-1,this.hls.config.abrMaxWithRealBitrate){var i=this.hls.levels[e.level],r=(i.loaded?i.loaded.bytes:0)+t.stats.loaded,n=(i.loaded?i.loaded.duration:0)+t.frag.duration;i.loaded={bytes:r,duration:n},i.realBitrate=Math.round(8*r/n)}if(t.frag.bitrateTest){var a=t.stats;a.tparsed=a.tbuffered=a.tload,this.onFragBuffered(t)}}}},{key:"onFragBuffered",value:function(t){var e=t.stats,i=t.frag;if(!(!0===e.aborted||1!==i.loadCounter||"main"!==i.type||isNaN(i.sn)||i.bitrateTest&&e.tload!==e.tbuffered)){var r=e.tparsed-e.trequest;g.logger.log("latency/loading/parsing/append/kbps:"+Math.round(e.tfirst-e.trequest)+"/"+Math.round(e.tload-e.tfirst)+"/"+Math.round(e.tparsed-e.tload)+"/"+Math.round(e.tbuffered-e.tparsed)+"/"+Math.round(8*e.loaded/(e.tbuffered-e.trequest))),this._bwEstimator.sample(r,e.loaded),e.bwEstimate=this._bwEstimator.getEstimate(),i.bitrateTest?this.bitrateTestDelay=r/1e3:this.bitrateTestDelay=0}}},{key:"onError",value:function(t){switch(t.details){case p.ErrorDetails.FRAG_LOAD_ERROR:case p.ErrorDetails.FRAG_LOAD_TIMEOUT:this.clearTimer()}}},{key:"clearTimer",value:function(){this.timer&&(clearInterval(this.timer),this.timer=null)}},{key:"_findBestLevel",value:function(t,e,i,r,n,a,o,s,l){for(var u=n;u>=r;u--){var d=l[u],c=d.details,f=c?c.totalduration/c.fragments.length:e,h=!!c&&c.live,p=void 0;p=u<=t?o*i:s*i;var y=l[u].realBitrate?Math.max(l[u].realBitrate,l[u].bitrate):l[u].bitrate,v=y*f/p;if(g.logger.trace("level/adjustedbw/bitrate/avgDuration/maxFetchDuration/fetchDuration: "+u+"/"+Math.round(p)+"/"+y+"/"+f+"/"+a+"/"+v),p>y&&(!v||h&&!this.bitrateTestDelay||v<a))return u}return-1}},{key:"nextAutoLevel",get:function(){var t=this._nextAutoLevel,e=this._bwEstimator;if(!(-1===t||e&&e.canEstimate()))return t;var i=this._nextABRAutoLevel;return-1!==t&&(i=Math.min(t,i)),i},set:function(t){this._nextAutoLevel=t}},{key:"_nextABRAutoLevel",get:function(){var t=this.hls,e=t.maxAutoLevel,i=t.levels,r=t.config,n=t.minAutoLevel,a=t.media,o=this.lastLoadedFragLevel,s=this.fragCurrent?this.fragCurrent.duration:0,l=a?a.currentTime:0,u=a&&0!==a.playbackRate?Math.abs(a.playbackRate):1,d=this._bwEstimator?this._bwEstimator.getEstimate():r.abrEwmaDefaultEstimate,c=(h.default.bufferInfo(a,l,r.maxBufferHole).end-l)/u,f=this._findBestLevel(o,s,d,n,e,c,r.abrBandWidthFactor,r.abrBandWidthUpFactor,i);if(f>=0)return f;g.logger.trace("rebuffering expected to happen, lets try to find a quality level minimizing the rebuffering");var p=s?Math.min(s,r.maxStarvationDelay):r.maxStarvationDelay,y=r.abrBandWidthFactor,v=r.abrBandWidthUpFactor;if(0===c){var m=this.bitrateTestDelay;if(m){p=(s?Math.min(s,r.maxLoadingDelay):r.maxLoadingDelay)-m,g.logger.trace("bitrate test took "+Math.round(1e3*m)+"ms, set first fragment max fetchDuration to "+Math.round(1e3*p)+" ms"),y=v=1}}return f=this._findBestLevel(o,s,d,n,e,c+p,y,v,i),Math.max(f,0)}}]),e}(c.default);i.default=m},{33:33,34:34,35:35,37:37,51:51,53:53}],6:[function(t,e,i){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}function n(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function a(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}function o(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}Object.defineProperty(i,"__esModule",{value:!0});var s=function(){function t(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(e,i,r){return i&&t(e.prototype,i),r&&t(e,r),e}}(),l=t(48),u=r(l),d=t(37),c=r(d),f=t(25),h=r(f),p=t(35),g=r(p),y=t(34),v=r(y),m=t(38),b=r(m),_=t(54),E=r(_),T=t(33),k=t(53),A={STOPPED:"STOPPED",STARTING:"STARTING",IDLE:"IDLE",PAUSED:"PAUSED",KEY_LOADING:"KEY_LOADING",FRAG_LOADING:"FRAG_LOADING",FRAG_LOADING_WAITING_RETRY:"FRAG_LOADING_WAITING_RETRY",WAITING_TRACK:"WAITING_TRACK",PARSING:"PARSING",PARSED:"PARSED",BUFFER_FLUSHING:"BUFFER_FLUSHING",ENDED:"ENDED",ERROR:"ERROR",WAITING_INIT_PTS:"WAITING_INIT_PTS"},S=function(t){function e(t){n(this,e);var i=a(this,(e.__proto__||Object.getPrototypeOf(e)).call(this,t,g.default.MEDIA_ATTACHED,g.default.MEDIA_DETACHING,g.default.AUDIO_TRACKS_UPDATED,g.default.AUDIO_TRACK_SWITCHING,g.default.AUDIO_TRACK_LOADED,g.default.KEY_LOADED,g.default.FRAG_LOADED,g.default.FRAG_PARSING_INIT_SEGMENT,g.default.FRAG_PARSING_DATA,g.default.FRAG_PARSED,g.default.ERROR,g.default.BUFFER_CREATED,g.default.BUFFER_APPENDED,g.default.BUFFER_FLUSHED,g.default.INIT_PTS_FOUND));return i.config=t.config,i.audioCodecSwap=!1,i.ticks=0,i._state=A.STOPPED,i.ontick=i.tick.bind(i),i.initPTS=[],i.waitingFragment=null,i}return o(e,t),s(e,[{key:"destroy",value:function(){this.stopLoad(),this.timer&&(clearInterval(this.timer),this.timer=null),v.default.prototype.destroy.call(this),this.state=A.STOPPED}},{key:"onInitPtsFound",value:function(t){var e=t.id,i=t.frag.cc,r=t.initPTS;"main"===e&&(this.initPTS[i]=r,k.logger.log("InitPTS for cc:"+i+" found from video track:"+r),this.state===A.WAITING_INIT_PTS&&(k.logger.log("sending pending audio frag to demuxer"),this.state=A.FRAG_LOADING,this.onFragLoaded(this.waitingFragment),this.waitingFragment=null))}},{key:"startLoad",value:function(t){if(this.tracks){var e=this.lastCurrentTime;this.stopLoad(),this.timer||(this.timer=setInterval(this.ontick,100)),this.fragLoadError=0,e>0&&-1===t?(k.logger.log("audio:override startPosition with lastCurrentTime @"+e.toFixed(3)),this.state=A.IDLE):(this.lastCurrentTime=this.startPosition?this.startPosition:t,this.state=A.STARTING),this.nextLoadPosition=this.startPosition=this.lastCurrentTime,this.tick()}else this.startPosition=t,this.state=A.STOPPED}},{key:"stopLoad",value:function(){var t=this.fragCurrent;t&&(t.loader&&t.loader.abort(),this.fragCurrent=null),this.fragPrevious=null,this.demuxer&&(this.demuxer.destroy(),this.demuxer=null),this.state=A.STOPPED}},{key:"tick",value:function(){1===++this.ticks&&(this.doTick(),this.ticks>1&&setTimeout(this.tick,1),this.ticks=0)}},{key:"doTick",value:function(){var t,e,i,r=this.hls,n=r.config;switch(this.state){case A.ERROR:case A.PAUSED:case A.BUFFER_FLUSHING:break;case A.STARTING:this.state=A.WAITING_TRACK,this.loadedmetadata=!1;break;case A.IDLE:var a=this.tracks;if(!a)break;if(!this.media&&(this.startFragRequested||!n.startFragPrefetch))break;t=this.loadedmetadata?this.media.currentTime:this.nextLoadPosition;var o=this.mediaBuffer?this.mediaBuffer:this.media,s=c.default.bufferInfo(o,t,n.maxBufferHole),l=s.len,d=s.end,f=this.fragPrevious,h=n.maxMaxBufferLength,p=this.audioSwitch,y=this.trackId;if((l<h||p)&&y<a.length){if(void 0===(i=a[y].details)){this.state=A.WAITING_TRACK;break}if(!p&&!i.live&&f&&f.sn===i.endSN&&(!this.media.seeking||this.media.duration-d<f.duration/2)){this.hls.trigger(g.default.BUFFER_EOS,{type:"audio"}),this.state=A.ENDED;break}var v=i.fragments,m=v.length,b=v[0].start,_=v[m-1].start+v[m-1].duration,E=void 0;if(p)if(i.live&&!i.PTSKnown)k.logger.log("switching audiotrack, live stream, unknown PTS,load first fragment"),d=0;else if(d=t,i.PTSKnown&&t<b){if(!(s.end>b||s.nextStart))return;k.logger.log("alt audio track ahead of main track, seek to start of alt audio track"),this.media.currentTime=b+.05}if(i.initSegment&&!i.initSegment.data)E=i.initSegment;else if(d<=b){if(E=v[0],i.live&&E.loadIdx&&E.loadIdx===this.fragLoadIdx){var S=s.nextStart?s.nextStart:b;return k.logger.log("no alt audio available @currentTime:"+this.media.currentTime+", seeking @"+(S+.05)),void(this.media.currentTime=S+.05)}}else{var L=void 0,R=n.maxFragLookUpTolerance,w=f?v[f.sn-v[0].sn+1]:void 0,C=function(t){var e=Math.min(R,t.duration);return t.start+t.duration-e<=d?1:t.start-e>d&&t.start?-1:0};d<_?(d>_-R&&(R=0),L=w&&!C(w)?w:u.default.search(v,C)):L=v[m-1],L&&(E=L,b=L.start,f&&E.level===f.level&&E.sn===f.sn&&(E.sn<i.endSN?(E=v[E.sn+1-i.startSN],k.logger.log("SN just loaded, load next one: "+E.sn)):E=null))}if(E)if(E.decryptdata&&null!=E.decryptdata.uri&&null==E.decryptdata.key)k.logger.log("Loading key for "+E.sn+" of ["+i.startSN+" ,"+i.endSN+"],track "+y),this.state=A.KEY_LOADING,r.trigger(g.default.KEY_LOADING,{frag:E});else{if(k.logger.log("Loading "+E.sn+" of ["+i.startSN+" ,"+i.endSN+"],track "+y+", currentTime:"+t+",bufferEnd:"+d.toFixed(3)),void 0!==this.fragLoadIdx?this.fragLoadIdx++:this.fragLoadIdx=0,E.loadCounter){E.loadCounter++;var O=n.fragLoadingLoopThreshold;if(E.loadCounter>O&&Math.abs(this.fragLoadIdx-E.loadIdx)<O)return void r.trigger(g.default.ERROR,{type:T.ErrorTypes.MEDIA_ERROR,details:T.ErrorDetails.FRAG_LOOP_LOADING_ERROR,fatal:!1,frag:E})}else E.loadCounter=1;E.loadIdx=this.fragLoadIdx,this.fragCurrent=E,this.startFragRequested=!0,isNaN(E.sn)||(this.nextLoadPosition=E.start+E.duration),r.trigger(g.default.FRAG_LOADING,{frag:E}),this.state=A.FRAG_LOADING}}break;case A.WAITING_TRACK:e=this.tracks[this.trackId],e&&e.details&&(this.state=A.IDLE);break;case A.FRAG_LOADING_WAITING_RETRY:var D=performance.now(),P=this.retryDate;o=this.media;var I=o&&o.seeking;(!P||D>=P||I)&&(k.logger.log("audioStreamController: retryDate reached, switch back to IDLE state"),this.state=A.IDLE);break;case A.WAITING_INIT_PTS:case A.STOPPED:case A.FRAG_LOADING:case A.PARSING:case A.PARSED:case A.ENDED:}}},{key:"onMediaAttached",value:function(t){var e=this.media=this.mediaBuffer=t.media;this.onvseeking=this.onMediaSeeking.bind(this),this.onvended=this.onMediaEnded.bind(this),e.addEventListener("seeking",this.onvseeking),e.addEventListener("ended",this.onvended);var i=this.config;this.tracks&&i.autoStartLoad&&this.startLoad(i.startPosition)}},{key:"onMediaDetaching",value:function(){var t=this.media;t&&t.ended&&(k.logger.log("MSE detaching and video ended, reset startPosition"),this.startPosition=this.lastCurrentTime=0);var e=this.tracks;e&&e.forEach(function(t){t.details&&t.details.fragments.forEach(function(t){t.loadCounter=void 0})}),t&&(t.removeEventListener("seeking",this.onvseeking),t.removeEventListener("ended",this.onvended),this.onvseeking=this.onvseeked=this.onvended=null),this.media=this.mediaBuffer=null,this.loadedmetadata=!1,this.stopLoad()}},{key:"onMediaSeeking",value:function(){this.state===A.ENDED&&(this.state=A.IDLE),this.media&&(this.lastCurrentTime=this.media.currentTime),void 0!==this.fragLoadIdx&&(this.fragLoadIdx+=2*this.config.fragLoadingLoopThreshold),this.tick()}},{key:"onMediaEnded",value:function(){this.startPosition=this.lastCurrentTime=0}},{key:"onAudioTracksUpdated",value:function(t){k.logger.log("audio tracks updated"),this.tracks=t.audioTracks}},{key:"onAudioTrackSwitching",value:function(t){var e=!!t.url;this.trackId=t.id,this.state=A.IDLE,this.fragCurrent=null,this.state=A.PAUSED,this.waitingFragment=null,e?this.timer||(this.timer=setInterval(this.ontick,100)):this.demuxer&&(this.demuxer.destroy(),this.demuxer=null),e&&(this.audioSwitch=!0,this.state=A.IDLE,void 0!==this.fragLoadIdx&&(this.fragLoadIdx+=2*this.config.fragLoadingLoopThreshold)),this.tick()}},{key:"onAudioTrackLoaded",value:function(t){var e=t.details,i=t.id,r=this.tracks[i],n=e.totalduration,a=0;if(k.logger.log("track "+i+" loaded ["+e.startSN+","+e.endSN+"],duration:"+n),e.live){var o=r.details;o&&e.fragments.length>0?(b.default.mergeDetails(o,e),a=e.fragments[0].start,e.PTSKnown?k.logger.log("live audio playlist sliding:"+a.toFixed(3)):k.logger.log("live audio playlist - outdated PTS, unknown sliding")):(e.PTSKnown=!1,k.logger.log("live audio playlist - first load, unknown sliding"))}else e.PTSKnown=!1;if(r.details=e,!this.startFragRequested){if(-1===this.startPosition){var s=e.startTimeOffset;isNaN(s)?this.startPosition=0:(k.logger.log("start time offset found in playlist, adjust startPosition to "+s),this.startPosition=s)}this.nextLoadPosition=this.startPosition}this.state===A.WAITING_TRACK&&(this.state=A.IDLE),this.tick()}},{key:"onKeyLoaded",value:function(){this.state===A.KEY_LOADING&&(this.state=A.IDLE,this.tick())}},{key:"onFragLoaded",value:function(t){var e=this.fragCurrent,i=t.frag;if(this.state===A.FRAG_LOADING&&e&&"audio"===i.type&&i.level===e.level&&i.sn===e.sn){var r=this.tracks[this.trackId],n=r.details,a=n.totalduration,o=e.level,s=e.sn,l=e.cc,u=this.config.defaultAudioCodec||r.audioCodec||"mp4a.40.2",d=this.stats=t.stats;if("initSegment"===s)this.state=A.IDLE,d.tparsed=d.tbuffered=performance.now(),n.initSegment.data=t.payload,this.hls.trigger(g.default.FRAG_BUFFERED,{stats:d,frag:e,id:"audio"}),this.tick();else{this.state=A.PARSING,this.appended=!1,this.demuxer||(this.demuxer=new h.default(this.hls,"audio"));var c=this.initPTS[l],f=n.initSegment?n.initSegment.data:[];if(n.initSegment||void 0!==c){this.pendingBuffering=!0,k.logger.log("Demuxing "+s+" of ["+n.startSN+" ,"+n.endSN+"],track "+o);this.demuxer.push(t.payload,f,u,null,e,a,!1,c)}else k.logger.log("unknown video PTS for continuity counter "+l+", waiting for video PTS before demuxing audio frag "+s+" of ["+n.startSN+" ,"+n.endSN+"],track "+o),this.waitingFragment=t,this.state=A.WAITING_INIT_PTS}}this.fragLoadError=0}},{key:"onFragParsingInitSegment",value:function(t){var e=this.fragCurrent,i=t.frag;if(e&&"audio"===t.id&&i.sn===e.sn&&i.level===e.level&&this.state===A.PARSING){var r=t.tracks,n=void 0;if(r.video&&delete r.video,n=r.audio){n.levelCodec="mp4a.40.2",n.id=t.id,this.hls.trigger(g.default.BUFFER_CODECS,r),k.logger.log("audio track:audio,container:"+n.container+",codecs[level/parsed]=["+n.levelCodec+"/"+n.codec+"]");var a=n.initSegment;if(a){var o={type:"audio",data:a,parent:"audio",content:"initSegment"};this.audioSwitch?this.pendingData=[o]:(this.appended=!0,this.pendingBuffering=!0,this.hls.trigger(g.default.BUFFER_APPENDING,o))}this.tick()}}}},{key:"onFragParsingData",value:function(t){var e=this,i=this.fragCurrent,r=t.frag;if(i&&"audio"===t.id&&"audio"===t.type&&r.sn===i.sn&&r.level===i.level&&this.state===A.PARSING){var n=this.trackId,a=this.tracks[n],o=this.hls;isNaN(t.endPTS)&&(t.endPTS=t.startPTS+i.duration,t.endDTS=t.startDTS+i.duration),k.logger.log("parsed "+t.type+",PTS:["+t.startPTS.toFixed(3)+","+t.endPTS.toFixed(3)+"],DTS:["+t.startDTS.toFixed(3)+"/"+t.endDTS.toFixed(3)+"],nb:"+t.nb),b.default.updateFragPTSDTS(a.details,i,t.startPTS,t.endPTS);var s=this.audioSwitch,l=this.media,u=!1;if(s&&l)if(l.readyState){var d=l.currentTime;k.logger.log("switching audio track : currentTime:"+d),d>=t.startPTS&&(k.logger.log("switching audio track : flushing all audio"),this.state=A.BUFFER_FLUSHING,o.trigger(g.default.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY,type:"audio"}),u=!0,this.audioSwitch=!1,o.trigger(g.default.AUDIO_TRACK_SWITCHED,{id:n}))}else this.audioSwitch=!1,o.trigger(g.default.AUDIO_TRACK_SWITCHED,{id:n});var c=this.pendingData;this.audioSwitch||([t.data1,t.data2].forEach(function(e){e&&e.length&&c.push({type:t.type,data:e,parent:"audio",content:"data"})}),!u&&c.length&&(c.forEach(function(t){e.state===A.PARSING&&(e.pendingBuffering=!0,e.hls.trigger(g.default.BUFFER_APPENDING,t))}),this.pendingData=[],this.appended=!0)),this.tick()}}},{key:"onFragParsed",value:function(t){var e=this.fragCurrent,i=t.frag;e&&"audio"===t.id&&i.sn===e.sn&&i.level===e.level&&this.state===A.PARSING&&(this.stats.tparsed=performance.now(),this.state=A.PARSED,this._checkAppendedParsed())}},{key:"onBufferCreated",value:function(t){var e=t.tracks.audio;e&&(this.mediaBuffer=e.buffer,this.loadedmetadata=!0)}},{key:"onBufferAppended",value:function(t){if("audio"===t.parent){var e=this.state;e!==A.PARSING&&e!==A.PARSED||(this.pendingBuffering=t.pending>0,this._checkAppendedParsed())}}},{key:"_checkAppendedParsed",value:function(){if(!(this.state!==A.PARSED||this.appended&&this.pendingBuffering)){var t=this.fragCurrent,e=this.stats,i=this.hls;if(t){this.fragPrevious=t,e.tbuffered=performance.now(),i.trigger(g.default.FRAG_BUFFERED,{stats:e,frag:t,id:"audio"});var r=this.mediaBuffer?this.mediaBuffer:this.media;k.logger.log("audio buffered : "+E.default.toString(r.buffered)),this.audioSwitch&&this.appended&&(this.audioSwitch=!1,i.trigger(g.default.AUDIO_TRACK_SWITCHED,{id:this.trackId})),this.state=A.IDLE}this.tick()}}},{key:"onError",value:function(t){var e=t.frag;if(!e||"audio"===e.type)switch(t.details){case T.ErrorDetails.FRAG_LOAD_ERROR:case T.ErrorDetails.FRAG_LOAD_TIMEOUT:if(!t.fatal){var i=this.fragLoadError;i?i++:i=1;var r=this.config;if(i<=r.fragLoadingMaxRetry){this.fragLoadError=i,e.loadCounter=0;var n=Math.min(Math.pow(2,i-1)*r.fragLoadingRetryDelay,r.fragLoadingMaxRetryTimeout);k.logger.warn("audioStreamController: frag loading failed, retry in "+n+" ms"),this.retryDate=performance.now()+n,this.state=A.FRAG_LOADING_WAITING_RETRY}else k.logger.error("audioStreamController: "+t.details+" reaches max retry, redispatch as fatal ..."),t.fatal=!0,this.state=A.ERROR}break;case T.ErrorDetails.FRAG_LOOP_LOADING_ERROR:case T.ErrorDetails.AUDIO_TRACK_LOAD_ERROR:case T.ErrorDetails.AUDIO_TRACK_LOAD_TIMEOUT:case T.ErrorDetails.KEY_LOAD_ERROR:case T.ErrorDetails.KEY_LOAD_TIMEOUT:this.state!==A.ERROR&&(this.state=t.fatal?A.ERROR:A.IDLE,k.logger.warn("audioStreamController: "+t.details+" while loading frag,switch to "+this.state+" state ..."));break;case T.ErrorDetails.BUFFER_FULL_ERROR:if("audio"===t.parent&&(this.state===A.PARSING||this.state===A.PARSED)){var a=this.mediaBuffer,o=this.media.currentTime;if(a&&c.default.isBuffered(a,o)&&c.default.isBuffered(a,o+.5)){var s=this.config;s.maxMaxBufferLength>=s.maxBufferLength&&(s.maxMaxBufferLength/=2,k.logger.warn("audio:reduce max buffer length to "+s.maxMaxBufferLength+"s"),this.fragLoadIdx+=2*s.fragLoadingLoopThreshold),this.state=A.IDLE}else k.logger.warn("buffer full error also media.currentTime is not buffered, flush audio buffer"),this.fragCurrent=null,this.state=A.BUFFER_FLUSHING,this.hls.trigger(g.default.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY,type:"audio"})}}}},{key:"onBufferFlushed",value:function(){var t=this,e=this.pendingData;e&&e.length?(k.logger.log("appending pending audio data on Buffer Flushed"),e.forEach(function(e){t.hls.trigger(g.default.BUFFER_APPENDING,e)}),this.appended=!0,this.pendingData=[],this.state=A.PARSED):(this.state=A.IDLE,this.fragPrevious=null,this.tick())}},{key:"state",set:function(t){if(this.state!==t){var e=this.state;this._state=t,k.logger.log("audio stream:"+e+"->"+t)}},get:function(){return this._state}}]),e}(v.default);i.default=S},{25:25,33:33,34:34,35:35,37:37,38:38,48:48,53:53,54:54}],7:[function(t,e,i){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}function n(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function a(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}function o(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}Object.defineProperty(i,"__esModule",{value:!0});var s=function(){function t(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(e,i,r){return i&&t(e.prototype,i),r&&t(e,r),e}}(),l=t(35),u=r(l),d=t(34),c=r(d),f=t(53),h=function(t){function e(t){n(this,e);var i=a(this,(e.__proto__||Object.getPrototypeOf(e)).call(this,t,u.default.MANIFEST_LOADING,u.default.MANIFEST_LOADED,u.default.AUDIO_TRACK_LOADED));return i.ticks=0,i.ontick=i.tick.bind(i),i}return o(e,t),s(e,[{key:"destroy",value:function(){c.default.prototype.destroy.call(this)}},{key:"tick",value:function(){1===++this.ticks&&(this.doTick(),this.ticks>1&&setTimeout(this.tick,1),this.ticks=0)}},{key:"doTick",value:function(){this.updateTrack(this.trackId)}},{key:"onManifestLoading",value:function(){this.tracks=[],this.trackId=-1}},{key:"onManifestLoaded",value:function(t){var e=this,i=t.audioTracks||[],r=!1;this.tracks=i,this.hls.trigger(u.default.AUDIO_TRACKS_UPDATED,{audioTracks:i});var n=0;i.forEach(function(t){if(t.default)return e.audioTrack=n,void(r=!0);n++}),!1===r&&i.length&&(f.logger.log("no default audio track defined, use first audio track as default"),this.audioTrack=0)}},{key:"onAudioTrackLoaded",value:function(t){t.id<this.tracks.length&&(f.logger.log("audioTrack "+t.id+" loaded"),this.tracks[t.id].details=t.details,t.details.live&&!this.timer&&(this.timer=setInterval(this.ontick,1e3*t.details.targetduration)),!t.details.live&&this.timer&&(clearInterval(this.timer),this.timer=null))}},{key:"setAudioTrackInternal",value:function(t){if(t>=0&&t<this.tracks.length){this.timer&&(clearInterval(this.timer),this.timer=null),this.trackId=t,f.logger.log("switching to audioTrack "+t);var e=this.tracks[t],i=this.hls,r=e.type,n=e.url,a={id:t,type:r,url:n};i.trigger(u.default.AUDIO_TRACK_SWITCH,a),i.trigger(u.default.AUDIO_TRACK_SWITCHING,a);var o=e.details;!n||void 0!==o&&!0!==o.live||(f.logger.log("(re)loading playlist for audioTrack "+t),i.trigger(u.default.AUDIO_TRACK_LOADING,{url:n,id:t}))}}},{key:"updateTrack",value:function(t){if(t>=0&&t<this.tracks.length){this.timer&&(clearInterval(this.timer),this.timer=null),this.trackId=t,f.logger.log("updating audioTrack "+t);var e=this.tracks[t],i=e.url,r=e.details;!i||void 0!==r&&!0!==r.live||(f.logger.log("(re)loading playlist for audioTrack "+t),this.hls.trigger(u.default.AUDIO_TRACK_LOADING,{url:i,id:t}))}}},{key:"audioTracks",get:function(){return this.tracks}},{key:"audioTrack",get:function(){return this.trackId},set:function(t){this.trackId===t&&void 0!==this.tracks[t].details||this.setAudioTrackInternal(t)}}]),e}(c.default);i.default=h},{34:34,35:35,53:53}],8:[function(t,e,i){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}function n(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function a(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}function o(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}Object.defineProperty(i,"__esModule",{value:!0});var s=function(){function t(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(e,i,r){return i&&t(e.prototype,i),r&&t(e,r),e}}(),l=t(35),u=r(l),d=t(34),c=r(d),f=t(53),h=t(33),p=function(t){function e(t){n(this,e);var i=a(this,(e.__proto__||Object.getPrototypeOf(e)).call(this,t,u.default.MEDIA_ATTACHING,u.default.MEDIA_DETACHING,u.default.MANIFEST_PARSED,u.default.BUFFER_RESET,u.default.BUFFER_APPENDING,u.default.BUFFER_CODECS,u.default.BUFFER_EOS,u.default.BUFFER_FLUSHING,u.default.LEVEL_PTS_UPDATED,u.default.LEVEL_UPDATED));return i._msDuration=null,i._levelDuration=null,i.onsbue=i.onSBUpdateEnd.bind(i),i.onsbe=i.onSBUpdateError.bind(i),i.pendingTracks={},i.tracks={},i}return o(e,t),s(e,[{key:"destroy",value:function(){c.default.prototype.destroy.call(this)}},{key:"onLevelPtsUpdated",value:function(t){var e=t.type,i=this.tracks.audio;if("audio"===e&&i&&"audio/mpeg"===i.container){var r=this.sourceBuffer.audio;if(Math.abs(r.timestampOffset-t.start)>.1){var n=r.updating;try{r.abort()}catch(t){n=!0,f.logger.warn("can not abort audio buffer: "+t)}n?this.audioTimestampOffset=t.start:(f.logger.warn("change mpeg audio timestamp offset from "+r.timestampOffset+" to "+t.start),r.timestampOffset=t.start)}}}},{key:"onManifestParsed",value:function(t){var e=t.audio,i=t.video,r=0;t.altAudio&&(e||i)&&(r=(e?1:0)+(i?1:0),f.logger.log(r+" sourceBuffer(s) expected")),this.sourceBufferNb=r}},{key:"onMediaAttaching",value:function(t){var e=this.media=t.media;if(e){var i=this.mediaSource=new MediaSource;this.onmso=this.onMediaSourceOpen.bind(this),this.onmse=this.onMediaSourceEnded.bind(this),this.onmsc=this.onMediaSourceClose.bind(this),i.addEventListener("sourceopen",this.onmso),i.addEventListener("sourceended",this.onmse),i.addEventListener("sourceclose",this.onmsc),e.src=URL.createObjectURL(i)}}},{key:"onMediaDetaching",value:function(){f.logger.log("media source detaching");var t=this.mediaSource;if(t){if("open"===t.readyState)try{t.endOfStream()}catch(t){f.logger.warn("onMediaDetaching:"+t.message+" while calling endOfStream")}t.removeEventListener("sourceopen",this.onmso),t.removeEventListener("sourceended",this.onmse),t.removeEventListener("sourceclose",this.onmsc),this.media&&(URL.revokeObjectURL(this.media.src),this.media.removeAttribute("src"),this.media.load()),this.mediaSource=null,this.media=null,this.pendingTracks={},this.tracks={},this.sourceBuffer={},this.flushRange=[],this.segments=[],this.appended=0}this.onmso=this.onmse=this.onmsc=null,this.hls.trigger(u.default.MEDIA_DETACHED)}},{key:"onMediaSourceOpen",value:function(){f.logger.log("media source opened"),this.hls.trigger(u.default.MEDIA_ATTACHED,{media:this.media});var t=this.mediaSource;t&&t.removeEventListener("sourceopen",this.onmso),this.checkPendingTracks()}},{key:"checkPendingTracks",value:function(){var t=this.pendingTracks,e=Object.keys(t).length;e&&(this.sourceBufferNb<=e||0===this.sourceBufferNb)&&(this.createSourceBuffers(t),this.pendingTracks={},this.doAppending())}},{key:"onMediaSourceClose",value:function(){f.logger.log("media source closed")}},{key:"onMediaSourceEnded",value:function(){f.logger.log("media source ended")}},{key:"onSBUpdateEnd",value:function(){if(this.audioTimestampOffset){var t=this.sourceBuffer.audio;f.logger.warn("change mpeg audio timestamp offset from "+t.timestampOffset+" to "+this.audioTimestampOffset),t.timestampOffset=this.audioTimestampOffset,delete this.audioTimestampOffset}this._needsFlush&&this.doFlush(),this._needsEos&&this.checkEos(),this.appending=!1;var e=this.parent,i=this.segments.reduce(function(t,i){return i.parent===e?t+1:t},0);this.hls.trigger(u.default.BUFFER_APPENDED,{parent:e,pending:i}),this._needsFlush||this.doAppending(),this.updateMediaElementDuration()}},{key:"onSBUpdateError",value:function(t){f.logger.error("sourceBuffer error:",t),this.hls.trigger(u.default.ERROR,{type:h.ErrorTypes.MEDIA_ERROR,details:h.ErrorDetails.BUFFER_APPENDING_ERROR,fatal:!1})}},{key:"onBufferReset",value:function(){var t=this.sourceBuffer;for(var e in t){var i=t[e];try{this.mediaSource.removeSourceBuffer(i),i.removeEventListener("updateend",this.onsbue),i.removeEventListener("error",this.onsbe)}catch(t){}}this.sourceBuffer={},this.flushRange=[],this.segments=[],this.appended=0}},{key:"onBufferCodecs",value:function(t){if(0===Object.keys(this.sourceBuffer).length){for(var e in t)this.pendingTracks[e]=t[e];var i=this.mediaSource;i&&"open"===i.readyState&&this.checkPendingTracks()}}},{key:"createSourceBuffers",value:function(t){var e=this.sourceBuffer,i=this.mediaSource;for(var r in t)if(!e[r]){var n=t[r],a=n.levelCodec||n.codec,o=n.container+";codecs="+a;f.logger.log("creating sourceBuffer("+o+")");try{var s=e[r]=i.addSourceBuffer(o);s.addEventListener("updateend",this.onsbue),s.addEventListener("error",this.onsbe),this.tracks[r]={codec:a,container:n.container},n.buffer=s}catch(t){f.logger.error("error while trying to add sourceBuffer:"+t.message),this.hls.trigger(u.default.ERROR,{type:h.ErrorTypes.MEDIA_ERROR,details:h.ErrorDetails.BUFFER_ADD_CODEC_ERROR,fatal:!1,err:t,mimeType:o})}}this.hls.trigger(u.default.BUFFER_CREATED,{tracks:t})}},{key:"onBufferAppending",value:function(t){this._needsFlush||(this.segments?this.segments.push(t):this.segments=[t],this.doAppending())}},{key:"onBufferAppendFail",value:function(t){f.logger.error("sourceBuffer error:",t.event),this.hls.trigger(u.default.ERROR,{type:h.ErrorTypes.MEDIA_ERROR,details:h.ErrorDetails.BUFFER_APPENDING_ERROR,fatal:!1})}},{key:"onBufferEos",value:function(t){var e=this.sourceBuffer,i=t.type;for(var r in e)i&&r!==i||e[r].ended||(e[r].ended=!0,f.logger.log(r+" sourceBuffer now EOS"));this.checkEos()}},{key:"checkEos",value:function(){var t=this.sourceBuffer,e=this.mediaSource;if(!e||"open"!==e.readyState)return void(this._needsEos=!1);for(var i in t){var r=t[i];if(!r.ended)return;if(r.updating)return void(this._needsEos=!0)}f.logger.log("all media data available, signal endOfStream() to MediaSource and stop loading fragment");try{e.endOfStream()}catch(t){f.logger.warn("exception while calling mediaSource.endOfStream()")}this._needsEos=!1}},{key:"onBufferFlushing",value:function(t){this.flushRange.push({start:t.startOffset,end:t.endOffset,type:t.type}),this.flushBufferCounter=0,this.doFlush()}},{key:"onLevelUpdated",value:function(t){var e=t.details;0!==e.fragments.length&&(this._levelDuration=e.totalduration+e.fragments[0].start,this.updateMediaElementDuration())}},{key:"updateMediaElementDuration",value:function(){var t=this.media,e=this.mediaSource,i=this.sourceBuffer,r=this._levelDuration;if(null!==r&&t&&e&&i&&0!==t.readyState&&"open"===e.readyState){for(var n in i)if(i[n].updating)return;null===this._msDuration&&(this._msDuration=e.duration);var a=t.duration;(r>this._msDuration&&r>a||a===1/0||isNaN(a))&&(f.logger.log("Updating mediasource duration to "+r.toFixed(3)),this._msDuration=e.duration=r)}}},{key:"doFlush",value:function(){for(;this.flushRange.length;){var t=this.flushRange[0];if(!this.flushBuffer(t.start,t.end,t.type))return void(this._needsFlush=!0);this.flushRange.shift(),this.flushBufferCounter=0}if(0===this.flushRange.length){this._needsFlush=!1;var e=0,i=this.sourceBuffer;try{for(var r in i)e+=i[r].buffered.length}catch(t){f.logger.error("error while accessing sourceBuffer.buffered")}this.appended=e,this.hls.trigger(u.default.BUFFER_FLUSHED)}}},{key:"doAppending",value:function(){var t=this.hls,e=this.sourceBuffer,i=this.segments;if(Object.keys(e).length){if(this.media.error)return this.segments=[],void f.logger.error("trying to append although a media error occured, flush segment and abort");if(this.appending)return;if(i&&i.length){var r=i.shift();try{var n=r.type,a=e[n];a?a.updating?i.unshift(r):(a.ended=!1,this.parent=r.parent,a.appendBuffer(r.data),this.appendError=0,this.appended++,this.appending=!0):this.onSBUpdateEnd()}catch(e){f.logger.error("error while trying to append buffer:"+e.message),i.unshift(r);var o={type:h.ErrorTypes.MEDIA_ERROR,parent:r.parent};if(22===e.code)return this.segments=[],o.details=h.ErrorDetails.BUFFER_FULL_ERROR,o.fatal=!1,void t.trigger(u.default.ERROR,o);if(this.appendError?this.appendError++:this.appendError=1,o.details=h.ErrorDetails.BUFFER_APPEND_ERROR,this.appendError>t.config.appendErrorMaxRetry)return f.logger.log("fail "+t.config.appendErrorMaxRetry+" times to append segment in sourceBuffer"),i=[],o.fatal=!0,void t.trigger(u.default.ERROR,o);o.fatal=!1,t.trigger(u.default.ERROR,o)}}}}},{key:"flushBuffer",value:function(t,e,i){var r,n,a,o,s,l,u=this.sourceBuffer;if(Object.keys(u).length){if(f.logger.log("flushBuffer,pos/start/end: "+this.media.currentTime.toFixed(3)+"/"+t+"/"+e),this.flushBufferCounter<this.appended){for(var d in u)if(!i||d===i){if(r=u[d],r.ended=!1,r.updating)return f.logger.warn("cannot flush, sb updating in progress"),!1;try{for(n=0;n<r.buffered.length;n++)if(a=r.buffered.start(n),o=r.buffered.end(n),-1!==navigator.userAgent.toLowerCase().indexOf("firefox")&&e===Number.POSITIVE_INFINITY?(s=t,l=e):(s=Math.max(a,t),l=Math.min(o,e)),Math.min(l,o)-s>.5)return this.flushBufferCounter++,f.logger.log("flush "+d+" ["+s+","+l+"], of ["+a+","+o+"], pos:"+this.media.currentTime),r.remove(s,l),!1}catch(t){f.logger.warn("exception while accessing sourcebuffer, it might have been removed from MediaSource")}}}else f.logger.warn("abort flushing too many retries");f.logger.log("buffer flushed")}return!0}}]),e}(c.default);i.default=p},{33:33,34:34,35:35,53:53}],9:[function(t,e,i){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}function n(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function a(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}function o(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}Object.defineProperty(i,"__esModule",{value:!0});var s=function(){function t(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(e,i,r){return i&&t(e.prototype,i),r&&t(e,r),e}}(),l=t(35),u=r(l),d=t(34),c=r(d),f=function(t){function e(t){return n(this,e),a(this,(e.__proto__||Object.getPrototypeOf(e)).call(this,t,u.default.FPS_DROP_LEVEL_CAPPING,u.default.MEDIA_ATTACHING,u.default.MANIFEST_PARSED))}return o(e,t),s(e,[{key:"destroy",value:function(){this.hls.config.capLevelToPlayerSize&&(this.media=this.restrictedLevels=null,this.autoLevelCapping=Number.POSITIVE_INFINITY,this.timer&&(this.timer=clearInterval(this.timer)))}},{key:"onFpsDropLevelCapping",value:function(t){this.restrictedLevels||(this.restrictedLevels=[]),this.isLevelRestricted(t.droppedLevel)||this.restrictedLevels.push(t.droppedLevel)}},{key:"onMediaAttaching",value:function(t){this.media=t.media instanceof HTMLVideoElement?t.media:null}},{key:"onManifestParsed",value:function(t){var e=this.hls;e.config.capLevelToPlayerSize&&(this.autoLevelCapping=Number.POSITIVE_INFINITY,this.levels=t.levels,e.firstLevel=this.getMaxLevel(t.firstLevel),clearInterval(this.timer),this.timer=setInterval(this.detectPlayerSize.bind(this),1e3),this.detectPlayerSize())}},{key:"detectPlayerSize",value:function(){if(this.media){var t=this.levels?this.levels.length:0;if(t){var e=this.hls;e.autoLevelCapping=this.getMaxLevel(t-1),e.autoLevelCapping>this.autoLevelCapping&&e.streamController.nextLevelSwitch(),this.autoLevelCapping=e.autoLevelCapping}}}},{key:"getMaxLevel",value:function(t){var e=0,i=void 0,r=void 0,n=this.mediaWidth,a=this.mediaHeight,o=0,s=0;for(i=0;i<=t&&(r=this.levels[i],!this.isLevelRestricted(i))&&(e=i,o=r.width,s=r.height,!(n<=o||a<=s));i++);return e}},{key:"isLevelRestricted",value:function(t){return!(!this.restrictedLevels||-1===this.restrictedLevels.indexOf(t))}},{key:"contentScaleFactor",get:function(){var t=1;try{t=window.devicePixelRatio}catch(t){}return t}},{key:"mediaWidth",get:function(){var t=void 0,e=this.media;return e&&(t=e.width||e.clientWidth||e.offsetWidth,t*=this.contentScaleFactor),t}},{key:"mediaHeight",get:function(){var t=void 0,e=this.media;return e&&(t=e.height||e.clientHeight||e.offsetHeight,t*=this.contentScaleFactor),t}}]),e}(c.default);i.default=f},{34:34,35:35}],10:[function(t,e,i){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}function n(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function a(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}function o(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}Object.defineProperty(i,"__esModule",{value:!0});var s=function(){function t(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(e,i,r){return i&&t(e.prototype,i),r&&t(e,r),e}}(),l=t(35),u=r(l),d=t(34),c=r(d),f=t(53),h=function(t){function e(t){return n(this,e),a(this,(e.__proto__||Object.getPrototypeOf(e)).call(this,t,u.default.MEDIA_ATTACHING))}return o(e,t),s(e,[{key:"destroy",value:function(){this.timer&&clearInterval(this.timer),this.isVideoPlaybackQualityAvailable=!1}},{key:"onMediaAttaching",value:function(t){var e=this.hls.config;if(e.capLevelOnFPSDrop){"function"==typeof(this.video=t.media instanceof HTMLVideoElement?t.media:null).getVideoPlaybackQuality&&(this.isVideoPlaybackQualityAvailable=!0),clearInterval(this.timer),this.timer=setInterval(this.checkFPSInterval.bind(this),e.fpsDroppedMonitoringPeriod)}}},{key:"checkFPS",value:function(t,e,i){var r=performance.now();if(e){if(this.lastTime){var n=r-this.lastTime,a=i-this.lastDroppedFrames,o=e-this.lastDecodedFrames,s=1e3*a/n,l=this.hls;if(l.trigger(u.default.FPS_DROP,{currentDropped:a,currentDecoded:o,totalDroppedFrames:i}),s>0&&a>l.config.fpsDroppedMonitoringThreshold*o){var d=l.currentLevel;f.logger.warn("drop FPS ratio greater than max allowed value for currentLevel: "+d),d>0&&(-1===l.autoLevelCapping||l.autoLevelCapping>=d)&&(d-=1,l.trigger(u.default.FPS_DROP_LEVEL_CAPPING,{level:d,droppedLevel:l.currentLevel}),l.autoLevelCapping=d,l.streamController.nextLevelSwitch())}}this.lastTime=r,this.lastDroppedFrames=i,this.lastDecodedFrames=e}}},{key:"checkFPSInterval",value:function(){var t=this.video;if(t)if(this.isVideoPlaybackQualityAvailable){var e=t.getVideoPlaybackQuality();this.checkFPS(t,e.totalVideoFrames,e.droppedVideoFrames)}else this.checkFPS(t,t.webkitDecodedFrameCount,t.webkitDroppedFrameCount)}}]),e}(c.default);i.default=h},{34:34,35:35,53:53}],11:[function(t,e,i){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}function n(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function a(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}function o(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}Object.defineProperty(i,"__esModule",{value:!0});var s=function(){function t(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(e,i,r){return i&&t(e.prototype,i),r&&t(e,r),e}}(),l=t(35),u=r(l),d=t(34),c=r(d),f=function(t){function e(t){n(this,e);var i=a(this,(e.__proto__||Object.getPrototypeOf(e)).call(this,t,u.default.MEDIA_ATTACHED,u.default.MEDIA_DETACHING,u.default.FRAG_PARSING_METADATA));return i.id3Track=void 0,i.media=void 0,i}return o(e,t),s(e,[{key:"destroy",value:function(){c.default.prototype.destroy.call(this)}},{key:"onMediaAttached",value:function(t){this.media=t.media,this.media&&(this.id3Track=this.media.addTextTrack("metadata","id3"),this.id3Track.mode="hidden")}},{key:"onMediaDetaching",value:function(){this.media=void 0}},{key:"onFragParsingMetadata",value:function(t){var e=t.frag,i=t.samples,r=e.start,n=e.start+e.duration;r===n&&(n+=1e-4);for(var a=window.WebKitDataCue||window.VTTCue||window.TextTrackCue,o=0;o<i.length;o++){var s=this.parseID3Frame(i[o].data),l=this.decodeID3Frame(s);if(l){var u=new a(r,n,"");u.value=l,this.id3Track.addCue(u)}}}},{key:"parseID3Frame",value:function(t){if(!(t.length<21)&&73===t[0]&&68===t[1]&&51===t[2]){var e=String.fromCharCode(t[10],t[11],t[12],t[13]);return t=t.subarray(20),{type:e,data:t}}}},{key:"decodeID3Frame",value:function(t){return"TXXX"===t.type?this.decodeTxxxFrame(t):"PRIV"===t.type?this.decodePrivFrame(t):"T"===t.type[0]?this.decodeTextFrame(t):void 0}},{key:"decodeTxxxFrame",value:function(t){if(!(t.size<2)&&3===t.data[0]){var e=1,i=this.utf8ArrayToStr(t.data.subarray(e));e+=i.length+1;return{key:"TXXX",description:i,data:this.utf8ArrayToStr(t.data.subarray(e))}}}},{key:"decodeTextFrame",value:function(t){if(!(t.size<2)&&3===t.data[0]){var e=t.data.subarray(1);return{key:t.type,data:this.utf8ArrayToStr(e)}}}},{key:"decodePrivFrame",value:function(t){if(!(t.size<2)){var e=this.utf8ArrayToStr(t.data);return{key:"PRIV",info:e,data:t.data.subarray(e.length+1).buffer}}}},{key:"utf8ArrayToStr",value:function(t){for(var e=void 0,i=void 0,r="",n=0,a=t.length;n<a;){var o=t[n++];switch(o>>4){case 0:return r;case 1:case 2:case 3:case 4:case 5:case 6:case 7:r+=String.fromCharCode(o);break;case 12:case 13:e=t[n++],r+=String.fromCharCode((31&o)<<6|63&e);break;case 14:e=t[n++],i=t[n++],r+=String.fromCharCode((15&o)<<12|(63&e)<<6|(63&i)<<0)}}return r}}]),e}(c.default);i.default=f},{34:34,35:35}],12:[function(t,e,i){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}function n(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function a(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}function o(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}Object.defineProperty(i,"__esModule",{value:!0});var s=function(){function t(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(e,i,r){return i&&t(e.prototype,i),r&&t(e,r),e}}(),l=t(35),u=r(l),d=t(34),c=r(d),f=t(53),h=t(33),p=t(37),g=r(p),y=function(t){function e(t){n(this,e);var i=a(this,(e.__proto__||Object.getPrototypeOf(e)).call(this,t,u.default.MANIFEST_LOADED,u.default.LEVEL_LOADED,u.default.FRAG_LOADED,u.default.ERROR));return i.ontick=i.tick.bind(i),i._manualLevel=-1,i}return o(e,t),s(e,[{key:"destroy",value:function(){this.timer&&(clearTimeout(this.timer),this.timer=null),this._manualLevel=-1}},{key:"startLoad",value:function(){this.canload=!0;var t=this._levels;t&&t.forEach(function(t){t.loadError=0;var e=t.details;e&&e.live&&(t.details=void 0)}),this.timer&&this.tick()}},{key:"stopLoad",value:function(){this.canload=!1}},{key:"onManifestLoaded",value:function(t){var e,i=[],r=[],n={},a=!1,o=!1,s=this.hls,l=/chrome|firefox/.test(navigator.userAgent.toLowerCase()),d=function(t,e){return MediaSource.isTypeSupported(t+"/mp4;codecs="+e)};if(t.levels.forEach(function(t){t.videoCodec&&(a=!0),l&&t.audioCodec&&-1!==t.audioCodec.indexOf("mp4a.40.34")&&(t.audioCodec=void 0),(t.audioCodec||t.attrs&&t.attrs.AUDIO)&&(o=!0);var e=n[t.bitrate];void 0===e?(n[t.bitrate]=i.length,t.url=[t.url],t.urlId=0,i.push(t)):i[e].url.push(t.url)}),a&&o?i.forEach(function(t){t.videoCodec&&r.push(t)}):r=i,r=r.filter(function(t){var e=t.audioCodec,i=t.videoCodec;return(!e||d("audio",e))&&(!i||d("video",i))}),r.length){e=r[0].bitrate,r.sort(function(t,e){return t.bitrate-e.bitrate}),this._levels=r;for(var c=0;c<r.length;c++)if(r[c].bitrate===e){this._firstLevel=c,f.logger.log("manifest loaded,"+r.length+" level(s) found, first bitrate:"+e);break}s.trigger(u.default.MANIFEST_PARSED,{levels:r,firstLevel:this._firstLevel,stats:t.stats,audio:o,video:a,altAudio:t.audioTracks.length>0})}else s.trigger(u.default.ERROR,{type:h.ErrorTypes.MEDIA_ERROR,details:h.ErrorDetails.MANIFEST_INCOMPATIBLE_CODECS_ERROR,fatal:!0,url:s.url,reason:"no level with compatible codecs found in manifest"})}},{key:"setLevelInternal",value:function(t){var e=this._levels,i=this.hls;if(t>=0&&t<e.length){if(this.timer&&(clearTimeout(this.timer),this.timer=null),this._level!==t){f.logger.log("switching to level "+t),this._level=t;var r=e[t];r.level=t,i.trigger(u.default.LEVEL_SWITCH,r),i.trigger(u.default.LEVEL_SWITCHING,r)}var n=e[t],a=n.details;if(!a||!0===a.live){var o=n.urlId;i.trigger(u.default.LEVEL_LOADING,{url:n.url[o],level:t,id:o})}}else i.trigger(u.default.ERROR,{type:h.ErrorTypes.OTHER_ERROR,details:h.ErrorDetails.LEVEL_SWITCH_ERROR,level:t,fatal:!1,reason:"invalid level idx"})}},{key:"onError",value:function(t){if(!t.fatal){var e=t.details,i=this.hls,r=void 0,n=void 0,a=!1;switch(e){case h.ErrorDetails.FRAG_LOAD_ERROR:case h.ErrorDetails.FRAG_LOAD_TIMEOUT:case h.ErrorDetails.FRAG_LOOP_LOADING_ERROR:case h.ErrorDetails.KEY_LOAD_ERROR:case h.ErrorDetails.KEY_LOAD_TIMEOUT:r=t.frag.level;break;case h.ErrorDetails.LEVEL_LOAD_ERROR:case h.ErrorDetails.LEVEL_LOAD_TIMEOUT:r=t.context.level,a=!0;break;case h.ErrorDetails.REMUX_ALLOC_ERROR:r=t.level}if(void 0!==r){n=this._levels[r],n.loadError?n.loadError++:n.loadError=1;var o=n.url.length;if(o>1&&n.loadError<o)n.urlId=(n.urlId+1)%o,n.details=void 0,f.logger.warn("level controller,"+e+" for level "+r+": switching to redundant stream id "+n.urlId);else{if(-1===this._manualLevel&&r)f.logger.warn("level controller,"+e+": switch-down for next fragment"),i.nextAutoLevel=Math.max(0,r-1);else if(n&&n.details&&n.details.live)f.logger.warn("level controller,"+e+" on live stream, discard"),a&&(this._level=void 0);else if(e===h.ErrorDetails.LEVEL_LOAD_ERROR||e===h.ErrorDetails.LEVEL_LOAD_TIMEOUT){var s=i.media,l=s&&g.default.isBuffered(s,s.currentTime)&&g.default.isBuffered(s,s.currentTime+.5);if(l){var u=i.config.levelLoadingRetryDelay;f.logger.warn("level controller,"+e+", but media buffered, retry in "+u+"ms"),this.timer=setTimeout(this.ontick,u),t.levelRetry=!0}else f.logger.error("cannot recover "+e+" error"),this._level=void 0,this.timer&&(clearTimeout(this.timer),this.timer=null),t.fatal=!0}}}}}},{key:"onFragLoaded",value:function(t){var e=t.frag;if(e&&"main"===e.type){var i=this._levels[e.level];i&&(i.loadError=0)}}},{key:"onLevelLoaded",value:function(t){var e=t.level;if(e===this._level){var i=this._levels[e];i.loadError=0;var r=t.details;if(r.live){var n=1e3*(r.averagetargetduration?r.averagetargetduration:r.targetduration),a=i.details;a&&r.endSN===a.endSN&&(n/=2,f.logger.log("same live playlist, reload twice faster")),n-=performance.now()-t.stats.trequest,n=Math.max(1e3,Math.round(n)),f.logger.log("live playlist, reload in "+n+" ms"),this.timer=setTimeout(this.ontick,n)}else this.timer=null}}},{key:"tick",value:function(){var t=this._level;if(void 0!==t&&this.canload){var e=this._levels[t];if(e&&e.url){var i=e.urlId;this.hls.trigger(u.default.LEVEL_LOADING,{url:e.url[i],level:t,id:i})}}}},{key:"levels",get:function(){return this._levels}},{key:"level",get:function(){return this._level},set:function(t){var e=this._levels;e&&e.length>t&&(this._level===t&&void 0!==e[t].details||this.setLevelInternal(t))}},{key:"manualLevel",get:function(){return this._manualLevel},set:function(t){this._manualLevel=t,void 0===this._startLevel&&(this._startLevel=t),-1!==t&&(this.level=t)}},{key:"firstLevel",get:function(){return this._firstLevel},set:function(t){this._firstLevel=t}},{key:"startLevel",get:function(){if(void 0===this._startLevel){var t=this.hls.config.startLevel;return void 0!==t?t:this._firstLevel}return this._startLevel},set:function(t){this._startLevel=t}},{key:"nextLoadLevel",get:function(){return-1!==this._manualLevel?this._manualLevel:this.hls.nextAutoLevel},set:function(t){this.level=t,-1===this._manualLevel&&(this.hls.nextAutoLevel=t)}}]),e}(c.default);i.default=y},{33:33,34:34,35:35,37:37,53:53}],13:[function(t,e,i){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}function n(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function a(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}function o(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}Object.defineProperty(i,"__esModule",{value:!0});var s=function(){function t(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(e,i,r){return i&&t(e.prototype,i),r&&t(e,r),e}}(),l=t(48),u=r(l),d=t(37),c=r(d),f=t(25),h=r(f),p=t(35),g=r(p),y=t(34),v=r(y),m=t(38),b=r(m),_=t(54),E=r(_),T=t(33),k=t(53),A={STOPPED:"STOPPED",IDLE:"IDLE",KEY_LOADING:"KEY_LOADING",FRAG_LOADING:"FRAG_LOADING",FRAG_LOADING_WAITING_RETRY:"FRAG_LOADING_WAITING_RETRY",WAITING_LEVEL:"WAITING_LEVEL",PARSING:"PARSING",PARSED:"PARSED",BUFFER_FLUSHING:"BUFFER_FLUSHING",ENDED:"ENDED",ERROR:"ERROR"},S=function(t){function e(t){n(this,e);var i=a(this,(e.__proto__||Object.getPrototypeOf(e)).call(this,t,g.default.MEDIA_ATTACHED,g.default.MEDIA_DETACHING,g.default.MANIFEST_LOADING,g.default.MANIFEST_PARSED,g.default.LEVEL_LOADED,g.default.KEY_LOADED,g.default.FRAG_LOADED,g.default.FRAG_LOAD_EMERGENCY_ABORTED,g.default.FRAG_PARSING_INIT_SEGMENT,g.default.FRAG_PARSING_DATA,g.default.FRAG_PARSED,g.default.ERROR,g.default.AUDIO_TRACK_SWITCHING,g.default.AUDIO_TRACK_SWITCHED,g.default.BUFFER_CREATED,g.default.BUFFER_APPENDED,g.default.BUFFER_FLUSHED));return i.config=t.config,i.audioCodecSwap=!1,i.ticks=0,i._state=A.STOPPED,i.ontick=i.tick.bind(i),i}return o(e,t),s(e,[{key:"destroy",value:function(){this.stopLoad(),this.timer&&(clearInterval(this.timer),this.timer=null),v.default.prototype.destroy.call(this),this.state=A.STOPPED}},{key:"startLoad",value:function(t){if(this.levels){var e=this.lastCurrentTime,i=this.hls;if(this.stopLoad(),this.timer||(this.timer=setInterval(this.ontick,100)),this.level=-1,this.fragLoadError=0,!this.startFragRequested){var r=i.startLevel;-1===r&&(r=0,this.bitrateTest=!0),this.level=i.nextLoadLevel=r,this.loadedmetadata=!1}e>0&&-1===t&&(k.logger.log("override startPosition with lastCurrentTime @"+e.toFixed(3)),t=e),this.state=A.IDLE,this.nextLoadPosition=this.startPosition=this.lastCurrentTime=t,this.tick()}else this.forceStartLoad=!0,this.state=A.STOPPED}},{key:"stopLoad",value:function(){var t=this.fragCurrent;t&&(t.loader&&t.loader.abort(),this.fragCurrent=null),this.fragPrevious=null,this.demuxer&&(this.demuxer.destroy(),this.demuxer=null),this.state=A.STOPPED,this.forceStartLoad=!1}},{key:"tick",value:function(){1===++this.ticks&&(this.doTick(),this.ticks>1&&setTimeout(this.tick,1),this.ticks=0)}},{key:"doTick",value:function(){switch(this.state){case A.ERROR:break;case A.BUFFER_FLUSHING:this.fragLoadError=0;break;case A.IDLE:this._doTickIdle();break;case A.WAITING_LEVEL:var t=this.levels[this.level];t&&t.details&&(this.state=A.IDLE);break;case A.FRAG_LOADING_WAITING_RETRY:var e=performance.now(),i=this.retryDate;(!i||e>=i||this.media&&this.media.seeking)&&(k.logger.log("mediaController: retryDate reached, switch back to IDLE state"),this.state=A.IDLE);break;case A.ERROR:case A.STOPPED:case A.FRAG_LOADING:case A.PARSING:case A.PARSED:case A.ENDED:}this._checkBuffer(),this._checkFragmentChanged()}},{key:"_doTickIdle",value:function(){var t=this.hls,e=t.config,i=this.media;if(void 0===this.levelLastLoaded||i||!this.startFragRequested&&e.startFragPrefetch){var r=void 0;r=this.loadedmetadata?i.currentTime:this.nextLoadPosition;var n=t.nextLoadLevel,a=this.levels[n];if(a){var o=a.bitrate,s=void 0;s=o?Math.max(8*e.maxBufferSize/o,e.maxBufferLength):e.maxBufferLength,s=Math.min(s,e.maxMaxBufferLength);var l=c.default.bufferInfo(this.mediaBuffer?this.mediaBuffer:i,r,e.maxBufferHole),u=l.len;if(!(u>=s)){k.logger.trace("buffer length of "+u.toFixed(3)+" is below max of "+s.toFixed(3)+". checking for more payload ..."),this.level=t.nextLoadLevel=n;var d=a.details;if(void 0===d||d.live&&this.levelLastLoaded!==n)return void(this.state=A.WAITING_LEVEL);var f=this.fragPrevious;if(!d.live&&f&&f.sn===d.endSN){if(Math.min(i.duration,f.start+f.duration)-Math.max(l.end,f.start)<=Math.max(.2,f.duration)){var h={};return this.altAudio&&(h.type="video"),this.hls.trigger(g.default.BUFFER_EOS,h),void(this.state=A.ENDED)}}this._fetchPayloadOrEos(r,l,d)}}}}},{key:"_fetchPayloadOrEos",value:function(t,e,i){var r=this.fragPrevious,n=this.level,a=i.fragments,o=a.length;if(0!==o){var s=a[0].start,l=a[o-1].start+a[o-1].duration,u=e.end,d=void 0;if(i.initSegment&&!i.initSegment.data)d=i.initSegment;else if(i.live){var c=this.config.initialLiveManifestSize;if(o<c)return void k.logger.warn("Can not start playback of a level, reason: not enough fragments "+o+" < "+c);if(null===(d=this._ensureFragmentAtLivePoint(i,u,s,l,r,a,o)))return}else u<s&&(d=a[0]);d||(d=this._findFragment(s,r,o,a,u,l,i)),d&&this._loadFragmentOrKey(d,n,i,t,u)}}},{key:"_ensureFragmentAtLivePoint",value:function(t,e,i,r,n,a,o){var s=this.hls.config,l=this.media,u=void 0,d=void 0!==s.liveMaxLatencyDuration?s.liveMaxLatencyDuration:s.liveMaxLatencyDurationCount*t.targetduration;if(e<Math.max(i-s.maxFragLookUpTolerance,r-d)){var c=this.liveSyncPosition=this.computeLivePosition(i,t);k.logger.log("buffer end: "+e.toFixed(3)+" is located too far from the end of live sliding playlist, reset currentTime to : "+c.toFixed(3)),e=c,l&&l.readyState&&l.duration>c&&(l.currentTime=c)}if(t.PTSKnown&&e>r&&l&&l.readyState)return null;if(this.startFragRequested&&!t.PTSKnown){if(n){var f=n.sn+1;f>=t.startSN&&f<=t.endSN&&(u=a[f-t.startSN],k.logger.log("live playlist, switching playlist, load frag with next SN: "+u.sn))}u||(u=a[Math.min(o-1,Math.round(o/2))],k.logger.log("live playlist, switching playlist, unknown, load middle frag : "+u.sn))}return u}},{key:"_findFragment",value:function(t,e,i,r,n,a,o){var s=this.hls.config,l=void 0,d=void 0,c=s.maxFragLookUpTolerance,f=e?r[e.sn-r[0].sn+1]:void 0,h=function(t){var e=Math.min(c,t.duration);return t.start+t.duration-e<=n?1:t.start-e>n&&t.start?-1:0};if(n<a?(n>a-c&&(c=0),d=f&&!h(f)?f:u.default.search(r,h)):d=r[i-1],d){l=d;var p=l.sn-o.startSN,g=e&&l.level===e.level,y=r[p-1],v=r[p+1];if(e&&l.sn===e.sn)if(g&&!l.backtracked)if(l.sn<o.endSN){var m=e.deltaPTS;m&&m>s.maxBufferHole&&e.dropped&&p?(l=y,k.logger.warn("SN just loaded, with large PTS gap between audio and video, maybe frag is not starting with a keyframe ? load previous one to try to overcome this"),e.loadCounter--):(l=v,k.logger.log("SN just loaded, load next one: "+l.sn))}else l=null;else l.backtracked&&(v&&v.backtracked?(k.logger.warn("Already backtracked from fragment "+v.sn+", will not backtrack to fragment "+l.sn+". Loading fragment "+v.sn),l=v):(k.logger.warn("Loaded fragment with dropped frames, backtracking 1 segment to find a keyframe"),l.dropped=0,y?(y.loadCounter&&y.loadCounter--,l=y,l.backtracked=!0):l=null))}return l}},{key:"_loadFragmentOrKey",value:function(t,e,i,r,n){var a=this.hls,o=a.config;if(!t.decryptdata||null==t.decryptdata.uri||null!=t.decryptdata.key){if(k.logger.log("Loading "+t.sn+" of ["+i.startSN+" ,"+i.endSN+"],level "+e+", currentTime:"+r.toFixed(3)+",bufferEnd:"+n.toFixed(3)),void 0!==this.fragLoadIdx?this.fragLoadIdx++:this.fragLoadIdx=0,t.loadCounter){t.loadCounter++;var s=o.fragLoadingLoopThreshold;if(t.loadCounter>s&&Math.abs(this.fragLoadIdx-t.loadIdx)<s)return void a.trigger(g.default.ERROR,{type:T.ErrorTypes.MEDIA_ERROR,details:T.ErrorDetails.FRAG_LOOP_LOADING_ERROR,fatal:!1,frag:t})}else t.loadCounter=1;return t.loadIdx=this.fragLoadIdx,this.fragCurrent=t,this.startFragRequested=!0,isNaN(t.sn)||(this.nextLoadPosition=t.start+t.duration),t.autoLevel=a.autoLevelEnabled,t.bitrateTest=this.bitrateTest,a.trigger(g.default.FRAG_LOADING,{frag:t}),this.demuxer||(this.demuxer=new h.default(a,"main")),void(this.state=A.FRAG_LOADING)}k.logger.log("Loading key for "+t.sn+" of ["+i.startSN+" ,"+i.endSN+"],level "+e),this.state=A.KEY_LOADING,a.trigger(g.default.KEY_LOADING,{frag:t})}},{key:"getBufferedFrag",value:function(t){return u.default.search(this._bufferedFrags,function(e){return t<e.startPTS?-1:t>e.endPTS?1:0})}},{key:"followingBufferedFrag",value:function(t){return t?this.getBufferedFrag(t.endPTS+.5):null}},{key:"_checkFragmentChanged",value:function(){var t,e,i=this.media;if(i&&i.readyState&&!1===i.seeking&&(e=i.currentTime,e>i.playbackRate*this.lastCurrentTime&&(this.lastCurrentTime=e),c.default.isBuffered(i,e)?t=this.getBufferedFrag(e):c.default.isBuffered(i,e+.1)&&(t=this.getBufferedFrag(e+.1)),t)){var r=t;if(r!==this.fragPlaying){this.hls.trigger(g.default.FRAG_CHANGED,{frag:r});var n=r.level;this.fragPlaying&&this.fragPlaying.level===n||this.hls.trigger(g.default.LEVEL_SWITCHED,{level:n}),this.fragPlaying=r}}}},{key:"immediateLevelSwitch",value:function(){if(k.logger.log("immediateLevelSwitch"),!this.immediateSwitch){this.immediateSwitch=!0;var t=this.media,e=void 0;t?(e=t.paused,t.pause()):e=!0,this.previouslyPaused=e}var i=this.fragCurrent;i&&i.loader&&i.loader.abort(),this.fragCurrent=null,this.fragLoadIdx+=2*this.config.fragLoadingLoopThreshold,this.flushMainBuffer(0,Number.POSITIVE_INFINITY)}},{key:"immediateLevelSwitchEnd",value:function(){var t=this.media;t&&t.buffered.length&&(this.immediateSwitch=!1,c.default.isBuffered(t,t.currentTime)&&(t.currentTime-=1e-4),this.previouslyPaused||t.play())}},{key:"nextLevelSwitch",value:function(){var t=this.media;if(t&&t.readyState){var e=void 0,i=void 0,r=void 0;if(this.fragLoadIdx+=2*this.config.fragLoadingLoopThreshold,i=this.getBufferedFrag(t.currentTime),i&&i.startPTS>1&&this.flushMainBuffer(0,i.startPTS-1),t.paused)e=0;else{var n=this.hls.nextLoadLevel,a=this.levels[n],o=this.fragLastKbps;e=o&&this.fragCurrent?this.fragCurrent.duration*a.bitrate/(1e3*o)+1:0}if((r=this.getBufferedFrag(t.currentTime+e))&&(r=this.followingBufferedFrag(r))){var s=this.fragCurrent;s&&s.loader&&s.loader.abort(),this.fragCurrent=null,this.flushMainBuffer(r.startPTS,Number.POSITIVE_INFINITY)}}}},{key:"flushMainBuffer",value:function(t,e){this.state=A.BUFFER_FLUSHING;var i={startOffset:t,endOffset:e};this.altAudio&&(i.type="video"),this.hls.trigger(g.default.BUFFER_FLUSHING,i)}},{key:"onMediaAttached",value:function(t){var e=this.media=this.mediaBuffer=t.media;this.onvseeking=this.onMediaSeeking.bind(this),this.onvseeked=this.onMediaSeeked.bind(this),this.onvended=this.onMediaEnded.bind(this),e.addEventListener("seeking",this.onvseeking),e.addEventListener("seeked",this.onvseeked),e.addEventListener("ended",this.onvended);var i=this.config;this.levels&&i.autoStartLoad&&this.hls.startLoad(i.startPosition)}},{key:"onMediaDetaching",value:function(){var t=this.media;t&&t.ended&&(k.logger.log("MSE detaching and video ended, reset startPosition"),this.startPosition=this.lastCurrentTime=0);var e=this.levels;e&&e.forEach(function(t){t.details&&t.details.fragments.forEach(function(t){t.loadCounter=void 0,t.backtracked=void 0})}),t&&(t.removeEventListener("seeking",this.onvseeking),t.removeEventListener("seeked",this.onvseeked),t.removeEventListener("ended",this.onvended),this.onvseeking=this.onvseeked=this.onvended=null),this.media=this.mediaBuffer=null,this.loadedmetadata=!1,this.stopLoad()}},{key:"onMediaSeeking",value:function(){var t=this.media,e=t?t.currentTime:void 0,i=this.config;isNaN(e)||k.logger.log("media seeking to "+e.toFixed(3));var r=this.mediaBuffer?this.mediaBuffer:t,n=c.default.bufferInfo(r,e,this.config.maxBufferHole);if(this.state===A.FRAG_LOADING){var a=this.fragCurrent;if(0===n.len&&a){var o=i.maxFragLookUpTolerance,s=a.start-o,l=a.start+a.duration+o;e<s||e>l?(a.loader&&(k.logger.log("seeking outside of buffer while fragment load in progress, cancel fragment load"),a.loader.abort()),this.fragCurrent=null,this.fragPrevious=null,this.state=A.IDLE):k.logger.log("seeking outside of buffer but within currently loaded fragment range")}}else this.state===A.ENDED&&(0===n.len&&(this.fragPrevious=0),this.state=A.IDLE);t&&(this.lastCurrentTime=e),this.state!==A.FRAG_LOADING&&void 0!==this.fragLoadIdx&&(this.fragLoadIdx+=2*i.fragLoadingLoopThreshold),this.loadedmetadata||(this.nextLoadPosition=this.startPosition=e),this.tick()}},{key:"onMediaSeeked",value:function(){var t=this.media,e=t?t.currentTime:void 0;isNaN(e)||k.logger.log("media seeked to "+e.toFixed(3)),this.tick()}},{key:"onMediaEnded",value:function(){k.logger.log("media ended"),this.startPosition=this.lastCurrentTime=0}},{key:"onManifestLoading",value:function(){k.logger.log("trigger BUFFER_RESET"),this.hls.trigger(g.default.BUFFER_RESET),this._bufferedFrags=[],this.stalled=!1,this.startPosition=this.lastCurrentTime=0}},{key:"onManifestParsed",value:function(t){var e,i=!1,r=!1;t.levels.forEach(function(t){(e=t.audioCodec)&&(-1!==e.indexOf("mp4a.40.2")&&(i=!0),-1!==e.indexOf("mp4a.40.5")&&(r=!0))}),this.audioCodecSwitch=i&&r,this.audioCodecSwitch&&k.logger.log("both AAC/HE-AAC audio found in levels; declaring level codec as HE-AAC"),this.levels=t.levels,this.startLevelLoaded=!1,this.startFragRequested=!1;var n=this.config;(n.autoStartLoad||this.forceStartLoad)&&this.hls.startLoad(n.startPosition)}},{key:"onLevelLoaded",value:function(t){var e=t.details,i=t.level,r=this.levels[i],n=e.totalduration,a=0;if(k.logger.log("level "+i+" loaded ["+e.startSN+","+e.endSN+"],duration:"+n),this.levelLastLoaded=i,e.live){var o=r.details;o&&e.fragments.length>0?(b.default.mergeDetails(o,e),a=e.fragments[0].start,this.liveSyncPosition=this.computeLivePosition(a,o),e.PTSKnown?k.logger.log("live playlist sliding:"+a.toFixed(3)):k.logger.log("live playlist - outdated PTS, unknown sliding")):(e.PTSKnown=!1,k.logger.log("live playlist - first load, unknown sliding"))}else e.PTSKnown=!1;if(r.details=e,this.hls.trigger(g.default.LEVEL_UPDATED,{details:e,level:i}),!1===this.startFragRequested){if(-1===this.startPosition||-1===this.lastCurrentTime){var s=e.startTimeOffset;isNaN(s)?e.live?(this.startPosition=this.computeLivePosition(a,e),k.logger.log("configure startPosition to "+this.startPosition)):this.startPosition=0:(s<0&&(k.logger.log("negative start time offset "+s+", count from end of last fragment"),s=a+n+s),k.logger.log("start time offset found in playlist, adjust startPosition to "+s),this.startPosition=s),this.lastCurrentTime=this.startPosition}this.nextLoadPosition=this.startPosition}this.state===A.WAITING_LEVEL&&(this.state=A.IDLE),this.tick()}},{key:"onKeyLoaded",value:function(){this.state===A.KEY_LOADING&&(this.state=A.IDLE,this.tick())}},{key:"onFragLoaded",value:function(t){var e=this.fragCurrent,i=t.frag;if(this.state===A.FRAG_LOADING&&e&&"main"===i.type&&i.level===e.level&&i.sn===e.sn){var r=t.stats,n=this.levels[e.level],a=n.details;if(k.logger.log("Loaded "+e.sn+" of ["+a.startSN+" ,"+a.endSN+"],level "+e.level),this.bitrateTest=!1,this.stats=r,!0===i.bitrateTest&&this.hls.nextLoadLevel)this.state=A.IDLE,this.startFragRequested=!1,r.tparsed=r.tbuffered=performance.now(),this.hls.trigger(g.default.FRAG_BUFFERED,{stats:r,frag:e,id:"main"}),this.tick();else if("initSegment"===i.sn)this.state=A.IDLE,r.tparsed=r.tbuffered=performance.now(),a.initSegment.data=t.payload,this.hls.trigger(g.default.FRAG_BUFFERED,{stats:r,frag:e,id:"main"}),this.tick();else{this.state=A.PARSING;var o=a.totalduration,s=e.level,l=e.sn,u=this.config.defaultAudioCodec||n.audioCodec;this.audioCodecSwap&&(k.logger.log("swapping playlist audio codec"),void 0===u&&(u=this.lastAudioCodec),u&&(u=-1!==u.indexOf("mp4a.40.5")?"mp4a.40.2":"mp4a.40.5")),this.pendingBuffering=!0,this.appended=!1,k.logger.log("Parsing "+l+" of ["+a.startSN+" ,"+a.endSN+"],level "+s+", cc "+e.cc);var d=this.demuxer;d||(d=this.demuxer=new h.default(this.hls,"main"));var c=this.media,f=c&&c.seeking,p=!f&&(a.PTSKnown||!a.live),y=a.initSegment?a.initSegment.data:[];d.push(t.payload,y,u,n.videoCodec,e,o,p,void 0)}}this.fragLoadError=0}},{key:"onFragParsingInitSegment",value:function(t){var e=this.fragCurrent,i=t.frag;if(e&&"main"===t.id&&i.sn===e.sn&&i.level===e.level&&this.state===A.PARSING){var r,n,a=t.tracks;if(a.audio&&this.altAudio&&delete a.audio,n=a.audio){var o=this.levels[this.level].audioCodec,s=navigator.userAgent.toLowerCase();o&&this.audioCodecSwap&&(k.logger.log("swapping playlist audio codec"),o=-1!==o.indexOf("mp4a.40.5")?"mp4a.40.2":"mp4a.40.5"),this.audioCodecSwitch&&1!==n.metadata.channelCount&&-1===s.indexOf("firefox")&&(o="mp4a.40.5"),-1!==s.indexOf("android")&&"audio/mpeg"!==n.container&&(o="mp4a.40.2",k.logger.log("Android: force audio codec to "+o)),n.levelCodec=o,n.id=t.id}n=a.video,n&&(n.levelCodec=this.levels[this.level].videoCodec,n.id=t.id),this.hls.trigger(g.default.BUFFER_CODECS,a);for(r in a){n=a[r],k.logger.log("main track:"+r+",container:"+n.container+",codecs[level/parsed]=["+n.levelCodec+"/"+n.codec+"]");var l=n.initSegment;l&&(this.appended=!0,this.pendingBuffering=!0,this.hls.trigger(g.default.BUFFER_APPENDING,{type:r,data:l,parent:"main",content:"initSegment"}))}this.tick()}}},{key:"onFragParsingData",value:function(t){var e=this,i=this.fragCurrent,r=t.frag;if(i&&"main"===t.id&&r.sn===i.sn&&r.level===i.level&&("audio"!==t.type||!this.altAudio)&&this.state===A.PARSING){var n=this.levels[this.level],a=i;if(isNaN(t.endPTS)&&(t.endPTS=t.startPTS+i.duration,t.endDTS=t.startDTS+i.duration),k.logger.log("Parsed "+t.type+",PTS:["+t.startPTS.toFixed(3)+","+t.endPTS.toFixed(3)+"],DTS:["+t.startDTS.toFixed(3)+"/"+t.endDTS.toFixed(3)+"],nb:"+t.nb+",dropped:"+(t.dropped||0)),"video"===t.type)if(a.dropped=t.dropped,a.dropped){if(!a.backtracked)return k.logger.warn("missing video frame(s), backtracking fragment"),a.backtracked=!0,this.nextLoadPosition=t.startPTS,this.state=A.IDLE,this.fragPrevious=a,void this.tick();k.logger.warn("Already backtracked on this fragment, appending with the gap")}else a.backtracked=!1;var o=b.default.updateFragPTSDTS(n.details,a,t.startPTS,t.endPTS,t.startDTS,t.endDTS),s=this.hls;s.trigger(g.default.LEVEL_PTS_UPDATED,{details:n.details,level:this.level,drift:o,type:t.type,start:t.startPTS,end:t.endPTS}),[t.data1,t.data2].forEach(function(i){i&&i.length&&e.state===A.PARSING&&(e.appended=!0,e.pendingBuffering=!0,s.trigger(g.default.BUFFER_APPENDING,{type:t.type,data:i,parent:"main",content:"data"}))}),this.tick()}}},{key:"onFragParsed",value:function(t){var e=this.fragCurrent,i=t.frag;e&&"main"===t.id&&i.sn===e.sn&&i.level===e.level&&this.state===A.PARSING&&(this.stats.tparsed=performance.now(),this.state=A.PARSED,this._checkAppendedParsed())}},{key:"onAudioTrackSwitching",value:function(t){var e=!!t.url,i=t.id;if(!e){if(this.mediaBuffer!==this.media){k.logger.log("switching on main audio, use media.buffered to schedule main fragment loading"),this.mediaBuffer=this.media;var r=this.fragCurrent;r.loader&&(k.logger.log("switching to main audio track, cancel main fragment load"),r.loader.abort()),this.fragCurrent=null,this.fragPrevious=null,this.demuxer&&(this.demuxer.destroy(),this.demuxer=null),this.state=A.IDLE}var n=this.hls;n.trigger(g.default.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY,type:"audio"}),n.trigger(g.default.AUDIO_TRACK_SWITCHED,{id:i}),this.altAudio=!1}}},{key:"onAudioTrackSwitched",value:function(t){var e=t.id,i=!!this.hls.audioTracks[e].url;if(i){var r=this.videoBuffer;r&&this.mediaBuffer!==r&&(k.logger.log("switching on alternate audio, use video.buffered to schedule main fragment loading"),this.mediaBuffer=r)}this.altAudio=i,this.tick()}},{key:"onBufferCreated",value:function(t){var e=t.tracks,i=void 0,r=void 0,n=!1;for(var a in e){var o=e[a];"main"===o.id?(r=a,i=o,"video"===a&&(this.videoBuffer=e[a].buffer)):n=!0}n&&i?(k.logger.log("alternate track found, use "+r+".buffered to schedule main fragment loading"),this.mediaBuffer=i.buffer):this.mediaBuffer=this.media}},{key:"onBufferAppended",value:function(t){if("main"===t.parent){var e=this.state;e!==A.PARSING&&e!==A.PARSED||(this.pendingBuffering=t.pending>0,this._checkAppendedParsed())}}},{key:"_checkAppendedParsed",value:function(){if(!(this.state!==A.PARSED||this.appended&&this.pendingBuffering)){var t=this.fragCurrent;if(t){var e=this.mediaBuffer?this.mediaBuffer:this.media;k.logger.log("main buffered : "+E.default.toString(e.buffered));var i=this._bufferedFrags.filter(function(t){return c.default.isBuffered(e,(t.startPTS+t.endPTS)/2)});i.push(t),this._bufferedFrags=i.sort(function(t,e){return t.startPTS-e.startPTS}),this.fragPrevious=t;var r=this.stats;r.tbuffered=performance.now(),this.fragLastKbps=Math.round(8*r.total/(r.tbuffered-r.tfirst)),this.hls.trigger(g.default.FRAG_BUFFERED,{stats:r,frag:t,id:"main"}),this.state=A.IDLE}this.tick()}}},{key:"onError",value:function(t){var e=t.frag||this.fragCurrent;if(!e||"main"===e.type){var i=this.media,r=i&&c.default.isBuffered(i,i.currentTime)&&c.default.isBuffered(i,i.currentTime+.5);switch(t.details){case T.ErrorDetails.FRAG_LOAD_ERROR:case T.ErrorDetails.FRAG_LOAD_TIMEOUT:case T.ErrorDetails.KEY_LOAD_ERROR:case T.ErrorDetails.KEY_LOAD_TIMEOUT:if(!t.fatal){var n=this.fragLoadError;n?n++:n=1;var a=this.config;if(n<=a.fragLoadingMaxRetry||r||e.autoLevel&&e.level){this.fragLoadError=n,e.loadCounter=0;var o=Math.min(Math.pow(2,n-1)*a.fragLoadingRetryDelay,a.fragLoadingMaxRetryTimeout);k.logger.warn("mediaController: frag loading failed, retry in "+o+" ms"),this.retryDate=performance.now()+o,this.loadedmetadata||(this.startFragRequested=!1,this.nextLoadPosition=this.startPosition),this.state=A.FRAG_LOADING_WAITING_RETRY}else k.logger.error("mediaController: "+t.details+" reaches max retry, redispatch as fatal ..."),t.fatal=!0,this.state=A.ERROR}break;case T.ErrorDetails.FRAG_LOOP_LOADING_ERROR:t.fatal||(r?(this._reduceMaxBufferLength(e.duration),this.state=A.IDLE):e.autoLevel&&0!==e.level||(t.fatal=!0,this.state=A.ERROR));break;case T.ErrorDetails.LEVEL_LOAD_ERROR:case T.ErrorDetails.LEVEL_LOAD_TIMEOUT:this.state!==A.ERROR&&(t.fatal?(this.state=A.ERROR,k.logger.warn("streamController: "+t.details+",switch to "+this.state+" state ...")):t.levelRetry||this.state!==A.WAITING_LEVEL||(this.state=A.IDLE));break;case T.ErrorDetails.BUFFER_FULL_ERROR:"main"!==t.parent||this.state!==A.PARSING&&this.state!==A.PARSED||(r?(this._reduceMaxBufferLength(this.config.maxBufferLength),this.state=A.IDLE):(k.logger.warn("buffer full error also media.currentTime is not buffered, flush everything"),this.fragCurrent=null,this.flushMainBuffer(0,Number.POSITIVE_INFINITY)))}}}},{key:"_reduceMaxBufferLength",value:function(t){var e=this.config;e.maxMaxBufferLength>=t&&(e.maxMaxBufferLength/=2,k.logger.warn("main:reduce max buffer length to "+e.maxMaxBufferLength+"s"),this.fragLoadIdx+=2*e.fragLoadingLoopThreshold)}},{key:"_checkBuffer",value:function(){var t=this.media;if(t&&t.readyState){var e=t.currentTime,i=this.mediaBuffer?this.mediaBuffer:t,r=i.buffered;if(!this.loadedmetadata&&r.length){this.loadedmetadata=!0;var n=t.seeking?e:this.startPosition,a=c.default.isBuffered(i,n);e===n&&a||(k.logger.log("target start position:"+n),a||(n=r.start(0),k.logger.log("target start position not buffered, seek to buffered.start(0) "+n)),k.logger.log("adjust currentTime from "+e+" to "+n),t.currentTime=n)}else if(this.immediateSwitch)this.immediateLevelSwitchEnd();else{var o=c.default.bufferInfo(t,e,0),s=!(t.paused||t.ended||0===t.buffered.length),l=e!==this.lastCurrentTime,u=this.config;if(l)this.stallReported&&(k.logger.warn("playback not stuck anymore @"+e+", after "+Math.round(performance.now()-this.stalled)+"ms"),this.stallReported=!1),this.stalled=void 0,this.nudgeRetry=0;else if(s){var d=performance.now(),f=this.hls;if(this.stalled){var h=d-this.stalled,p=o.len,y=this.nudgeRetry||0;if(p<=.5&&h>1e3*u.lowBufferWatchdogPeriod){this.stallReported||(this.stallReported=!0,k.logger.warn("playback stalling in low buffer @"+e),f.trigger(g.default.ERROR,{type:T.ErrorTypes.MEDIA_ERROR,details:T.ErrorDetails.BUFFER_STALLED_ERROR,fatal:!1,buffer:p}));var v=o.nextStart,m=v-e;if(v&&m<u.maxSeekHole&&m>0){this.nudgeRetry=++y;var b=y*u.nudgeOffset;k.logger.log("adjust currentTime from "+t.currentTime+" to next buffered @ "+v+" + nudge "+b),t.currentTime=v+b,this.stalled=void 0,f.trigger(g.default.ERROR,{type:T.ErrorTypes.MEDIA_ERROR,details:T.ErrorDetails.BUFFER_SEEK_OVER_HOLE,fatal:!1,hole:v+b-e})}}else if(p>.5&&h>1e3*u.highBufferWatchdogPeriod)if(this.stallReported||(this.stallReported=!0,k.logger.warn("playback stalling in high buffer @"+e),f.trigger(g.default.ERROR,{type:T.ErrorTypes.MEDIA_ERROR,details:T.ErrorDetails.BUFFER_STALLED_ERROR,fatal:!1,buffer:p})),this.stalled=void 0,this.nudgeRetry=++y,y<u.nudgeMaxRetry){var _=t.currentTime,E=_+y*u.nudgeOffset;k.logger.log("adjust currentTime from "+_+" to "+E),t.currentTime=E,f.trigger(g.default.ERROR,{type:T.ErrorTypes.MEDIA_ERROR,details:T.ErrorDetails.BUFFER_NUDGE_ON_STALL,fatal:!1})}else k.logger.error("still stuck in high buffer @"+e+" after "+u.nudgeMaxRetry+", raise fatal error"),f.trigger(g.default.ERROR,{type:T.ErrorTypes.MEDIA_ERROR,details:T.ErrorDetails.BUFFER_STALLED_ERROR,fatal:!0})}else this.stalled=d,this.stallReported=!1}}}}},{key:"onFragLoadEmergencyAborted",value:function(){this.state=A.IDLE,this.loadedmetadata||(this.startFragRequested=!1,this.nextLoadPosition=this.startPosition),this.tick()}},{key:"onBufferFlushed",value:function(){var t=this.mediaBuffer?this.mediaBuffer:this.media;this._bufferedFrags=this._bufferedFrags.filter(function(e){return c.default.isBuffered(t,(e.startPTS+e.endPTS)/2)}),this.fragLoadIdx+=2*this.config.fragLoadingLoopThreshold,this.state=A.IDLE,this.fragPrevious=null}},{key:"swapAudioCodec",value:function(){this.audioCodecSwap=!this.audioCodecSwap}},{key:"computeLivePosition",value:function(t,e){var i=void 0!==this.config.liveSyncDuration?this.config.liveSyncDuration:this.config.liveSyncDurationCount*e.targetduration;return t+Math.max(0,e.totalduration-i)}},{key:"state",set:function(t){if(this.state!==t){var e=this.state;this._state=t,k.logger.log("main stream:"+e+"->"+t),this.hls.trigger(g.default.STREAM_STATE_TRANSITION,{previousState:e,nextState:t})}},get:function(){return this._state}},{key:"currentLevel",get:function(){var t=this.media;if(t){var e=this.getBufferedFrag(t.currentTime);if(e)return e.level}return-1}},{key:"nextBufferedFrag",get:function(){var t=this.media;return t?this.followingBufferedFrag(this.getBufferedFrag(t.currentTime)):null}},{key:"nextLevel",get:function(){var t=this.nextBufferedFrag;return t?t.level:-1}},{key:"liveSyncPosition",get:function(){return this._liveSyncPosition},set:function(t){this._liveSyncPosition=t}}]),e}(v.default);i.default=S},{25:25,33:33,34:34,35:35,37:37,38:38,48:48,53:53,54:54}],14:[function(t,e,i){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}function n(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function a(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}function o(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}Object.defineProperty(i,"__esModule",{value:!0});var s=function(){function t(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(e,i,r){return i&&t(e.prototype,i),r&&t(e,r),e}}(),l=t(35),u=r(l),d=t(34),c=r(d),f=t(53),h=function(t){function e(t){n(this,e);var i=a(this,(e.__proto__||Object.getPrototypeOf(e)).call(this,t,u.default.ERROR,u.default.SUBTITLE_TRACKS_UPDATED,u.default.SUBTITLE_TRACK_SWITCH,u.default.SUBTITLE_TRACK_LOADED,u.default.SUBTITLE_FRAG_PROCESSED));return i.config=t.config,i.vttFragSNsProcessed={},i.vttFragQueues=void 0,i.currentlyProcessing=null,i.currentTrackId=-1,i}return o(e,t),s(e,[{key:"destroy",value:function(){c.default.prototype.destroy.call(this)}},{key:"clearVttFragQueues",value:function(){var t=this;this.vttFragQueues={},this.tracks.forEach(function(e){t.vttFragQueues[e.id]=[]})}},{key:"nextFrag",value:function(){if(null===this.currentlyProcessing&&this.currentTrackId>-1&&this.vttFragQueues[this.currentTrackId].length){var t=this.currentlyProcessing=this.vttFragQueues[this.currentTrackId].shift();this.hls.trigger(u.default.FRAG_LOADING,{frag:t})}}},{key:"onSubtitleFragProcessed",value:function(t){t.success&&this.vttFragSNsProcessed[t.frag.trackId].push(t.frag.sn),this.currentlyProcessing=null,this.nextFrag()}},{key:"onError",value:function(t){var e=t.frag;e&&"subtitle"!==e.type||this.currentlyProcessing&&(this.currentlyProcessing=null,this.nextFrag())}},{key:"onSubtitleTracksUpdated",value:function(t){var e=this;f.logger.log("subtitle tracks updated"),this.tracks=t.subtitleTracks,this.clearVttFragQueues(),this.vttFragSNsProcessed={},this.tracks.forEach(function(t){e.vttFragSNsProcessed[t.id]=[]})}},{key:"onSubtitleTrackSwitch",value:function(t){this.currentTrackId=t.id,this.clearVttFragQueues()}},{key:"onSubtitleTrackLoaded",value:function(t){var e=this.vttFragSNsProcessed[t.id],i=this.vttFragQueues[t.id],r=this.currentlyProcessing?this.currentlyProcessing.sn:-1,n=function(t){return e.indexOf(t.sn)>-1},a=function(t){return i.some(function(e){return e.sn===t.sn})};t.details.fragments.forEach(function(e){n(e)||e.sn===r||a(e)||(e.trackId=t.id,i.push(e))}),this.nextFrag()}}]),e}(c.default);i.default=h},{34:34,35:35,53:53}],15:[function(t,e,i){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}function n(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function a(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}function o(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}function s(t){for(var e=[],i=0;i<t.length;i++)"subtitles"===t[i].kind&&e.push(t[i]);return e}Object.defineProperty(i,"__esModule",{value:!0});var l=function(){function t(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(e,i,r){return i&&t(e.prototype,i),r&&t(e,r),e}}(),u=t(35),d=r(u),c=t(34),f=r(c),h=t(53),p=function(t){function e(t){n(this,e);var i=a(this,(e.__proto__||Object.getPrototypeOf(e)).call(this,t,d.default.MEDIA_ATTACHED,d.default.MEDIA_DETACHING,d.default.MANIFEST_LOADING,d.default.MANIFEST_LOADED,d.default.SUBTITLE_TRACK_LOADED));return i.tracks=[],i.trackId=-1,i.media=void 0,i}return o(e,t),l(e,[{key:"destroy",value:function(){f.default.prototype.destroy.call(this)}},{key:"onMediaAttached",value:function(t){var e=this;this.media=t.media,this.media&&this.media.textTracks.addEventListener("change",function(){if(e.media){for(var t=-1,i=s(e.media.textTracks),r=0;r<i.length;r++)"showing"===i[r].mode&&(t=r);e.subtitleTrack=t}})}},{key:"onMediaDetaching",value:function(){this.media=void 0}},{key:"onManifestLoading",value:function(){this.tracks=[],this.trackId=-1}},{key:"onManifestLoaded",value:function(t){var e=this,i=t.subtitles||[],r=!1;this.tracks=i,this.trackId=-1,this.hls.trigger(d.default.SUBTITLE_TRACKS_UPDATED,{subtitleTracks:i}),i.forEach(function(t){t.default&&(e.subtitleTrack=t.id,r=!0)})}},{key:"onTick",value:function(){var t=this.trackId,e=this.tracks[t];if(e){var i=e.details;void 0!==i&&!0!==i.live||(h.logger.log("(re)loading playlist for subtitle track "+t),this.hls.trigger(d.default.SUBTITLE_TRACK_LOADING,{url:e.url,id:t}))}}},{key:"onSubtitleTrackLoaded",value:function(t){var e=this;t.id<this.tracks.length&&(h.logger.log("subtitle track "+t.id+" loaded"),this.tracks[t.id].details=t.details,t.details.live&&!this.timer&&(this.timer=setInterval(function(){e.onTick()},1e3*t.details.targetduration,this)),!t.details.live&&this.timer&&(clearInterval(this.timer),this.timer=null))}},{key:"setSubtitleTrackInternal",value:function(t){if(t>=0&&t<this.tracks.length){this.timer&&(clearInterval(this.timer),this.timer=null),this.trackId=t,h.logger.log("switching to subtitle track "+t);var e=this.tracks[t];this.hls.trigger(d.default.SUBTITLE_TRACK_SWITCH,{id:t});var i=e.details;void 0!==i&&!0!==i.live||(h.logger.log("(re)loading playlist for subtitle track "+t),this.hls.trigger(d.default.SUBTITLE_TRACK_LOADING,{url:e.url,id:t}))}}},{key:"subtitleTracks",get:function(){return this.tracks}},{key:"subtitleTrack",get:function(){return this.trackId},set:function(t){this.trackId!==t&&this.setSubtitleTrackInternal(t)}}]),e}(f.default);i.default=p},{34:34,35:35,53:53}],16:[function(t,e,i){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}function n(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function a(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}function o(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}function s(t){if(t&&t.cues)for(;t.cues.length>0;)t.removeCue(t.cues[0])}function l(t,e){return t&&t.label===e.name&&!(t.textTrack1||t.textTrack2)}function u(t,e,i,r){return Math.min(e,r)-Math.max(t,i)}Object.defineProperty(i,"__esModule",{value:!0});var d=function(){function t(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(e,i,r){return i&&t(e.prototype,i),r&&t(e,r),e}}(),c=t(35),f=r(c),h=t(34),p=r(h),g=t(49),y=r(g),v=t(57),m=r(v),b=t(53),_=function(t){function e(t){n(this,e);var i=a(this,(e.__proto__||Object.getPrototypeOf(e)).call(this,t,f.default.MEDIA_ATTACHING,f.default.MEDIA_DETACHING,f.default.FRAG_PARSING_USERDATA,f.default.MANIFEST_LOADING,f.default.MANIFEST_LOADED,f.default.FRAG_LOADED,f.default.LEVEL_SWITCHING,f.default.INIT_PTS_FOUND));if(i.hls=t,i.config=t.config,i.enabled=!0,i.Cues=t.config.cueHandler,i.textTracks=[],i.tracks=[],i.unparsedVttFrags=[],i.initPTS=void 0,i.cueRanges=[],i.config.enableCEA708Captions){var r=i,o=function(t,e){var i=null;try{i=new window.Event("addtrack")}catch(t){i=document.createEvent("Event"),i.initEvent("addtrack",!1,!1)}i.track=t,e.dispatchEvent(i)},l={newCue:function(t,e,i){if(!r.textTrack1){var n=r.getExistingTrack("1");if(n)r.textTrack1=n,s(r.textTrack1),o(r.textTrack1,r.media);else{var a=r.createTextTrack("captions",r.config.captionsTextTrack1Label,r.config.captionsTextTrack1LanguageCode);a&&(a.textTrack1=!0,r.textTrack1=a)}}r.addCues("textTrack1",t,e,i)}},u={newCue:function(t,e,i){if(!r.textTrack2){var n=r.getExistingTrack("2");if(n)r.textTrack2=n,s(r.textTrack2),o(r.textTrack2,r.media);else{var a=r.createTextTrack("captions",r.config.captionsTextTrack2Label,r.config.captionsTextTrack1LanguageCode);a&&(a.textTrack2=!0,r.textTrack2=a)}}r.addCues("textTrack2",t,e,i)}};i.cea608Parser=new y.default(0,l,u)}return i}return o(e,t),d(e,[{key:"addCues",value:function(t,e,i,r){for(var n=this.cueRanges,a=!1,o=n.length;o--;){var s=n[o],l=u(s[0],s[1],e,i);if(l>=0&&(s[0]=Math.min(s[0],e),s[1]=Math.max(s[1],i),a=!0,l/(i-e)>.5))return}a||n.push([e,i]),this.Cues.newCue(this[t],e,i,r)}},{key:"onInitPtsFound",value:function(t){var e=this;void 0===this.initPTS&&(this.initPTS=t.initPTS),this.unparsedVttFrags.length&&(this.unparsedVttFrags.forEach(function(t){e.onFragLoaded(t)}),this.unparsedVttFrags=[])}},{key:"getExistingTrack",value:function(t){var e=this.media;if(e)for(var i=0;i<e.textTracks.length;i++){var r=e.textTracks[i],n="textTrack"+t;if(!0===r[n])return r}return null}},{key:"createTextTrack",value:function(t,e,i){var r=this.media;if(r)return r.addTextTrack(t,e,i)}},{key:"destroy",value:function(){p.default.prototype.destroy.call(this)}},{key:"onMediaAttaching",value:function(t){this.media=t.media}},{key:"onMediaDetaching",value:function(){s(this.textTrack1),s(this.textTrack2)}},{key:"onManifestLoading",value:function(){this.lastSn=-1,this.prevCC=-1,this.vttCCs={ccOffset:0,presentationOffset:0};var t=this.media;if(t){var e=t.textTracks;if(e)for(var i=0;i<e.length;i++)s(e[i])}}},{key:"onManifestLoaded",value:function(t){var e=this;if(this.textTracks=[],this.unparsedVttFrags=this.unparsedVttFrags||[],this.initPTS=void 0,this.cueRanges=[],this.config.enableWebVTT){this.tracks=t.subtitles||[];var i=this.media?this.media.textTracks:[];this.tracks.forEach(function(t,r){var n=void 0;if(r<i.length){var a=i[r];l(a,t)&&(n=a)}n||(n=e.createTextTrack("subtitles",t.name,t.lang)),n.mode=t.default?"showing":"hidden",e.textTracks.push(n)})}}},{key:"onLevelSwitching",value:function(){this.enabled="NONE"!==this.hls.currentLevel.closedCaptions}},{key:"onFragLoaded",value:function(t){var e=t.frag,i=t.payload;if("main"===e.type){var r=e.sn;if(r!==this.lastSn+1){var n=this.cea608Parser;n&&n.reset()}this.lastSn=r}else if("subtitle"===e.type)if(i.byteLength){if(void 0===this.initPTS)return void this.unparsedVttFrags.push(t);var a=this.vttCCs;a[e.cc]||(a[e.cc]={start:e.start,prevCC:this.prevCC,new:!0},this.prevCC=e.cc);var o=this.textTracks,s=this.hls;m.default.parse(i,this.initPTS,a,e.cc,function(t){var i=o[e.trackId];t.forEach(function(t){i.cues.getCueById(t.id)||i.addCue(t)}),s.trigger(f.default.SUBTITLE_FRAG_PROCESSED,{success:!0,frag:e})},function(t){b.logger.log("Failed to parse VTT cue: "+t),s.trigger(f.default.SUBTITLE_FRAG_PROCESSED,{success:!1,frag:e})})}else this.hls.trigger(f.default.SUBTITLE_FRAG_PROCESSED,{success:!1,frag:e})}},{key:"onFragParsingUserdata",value:function(t){if(this.enabled&&this.config.enableCEA708Captions)for(var e=0;e<t.samples.length;e++){var i=this.extractCea608Data(t.samples[e].bytes);this.cea608Parser.addData(t.samples[e].pts,i)}}},{key:"extractCea608Data",value:function(t){for(var e,i,r,n,a,o=31&t[0],s=2,l=[],u=0;u<o;u++)e=t[s++],i=127&t[s++],r=127&t[s++],n=0!=(4&e),a=3&e,0===i&&0===r||n&&0===a&&(l.push(i),l.push(r));return l}}]),e}(p.default);i.default=_},{34:34,35:35,49:49,53:53,57:57}],17:[function(t,e,i){"use strict";function r(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(i,"__esModule",{value:!0});var n=function(){function t(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(e,i,r){return i&&t(e.prototype,i),r&&t(e,r),e}}(),a=function(){function t(e,i){r(this,t),this.subtle=e,this.aesIV=i}return n(t,[{key:"decrypt",value:function(t,e){return this.subtle.decrypt({name:"AES-CBC",iv:this.aesIV},e,t)}}]),t}();i.default=a},{}],18:[function(t,e,i){"use strict";function r(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(i,"__esModule",{value:!0});var n=function(){function t(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(e,i,r){return i&&t(e.prototype,i),r&&t(e,r),e}}(),a=function(){function t(){r(this,t),this.rcon=[0,1,2,4,8,16,32,64,128,27,54],this.subMix=[new Uint32Array(256),new Uint32Array(256),new Uint32Array(256),new Uint32Array(256)],this.invSubMix=[new Uint32Array(256),new Uint32Array(256),new Uint32Array(256),new Uint32Array(256)],this.sBox=new Uint32Array(256),this.invSBox=new Uint32Array(256),this.key=new Uint32Array(0),this.initTable()}return n(t,[{key:"uint8ArrayToUint32Array_",value:function(t){for(var e=new DataView(t),i=new Uint32Array(4),r=0;r<4;r++)i[r]=e.getUint32(4*r);return i}},{key:"initTable",value:function(){var t=this.sBox,e=this.invSBox,i=this.subMix,r=i[0],n=i[1],a=i[2],o=i[3],s=this.invSubMix,l=s[0],u=s[1],d=s[2],c=s[3],f=new Uint32Array(256),h=0,p=0,g=0;for(g=0;g<256;g++)f[g]=g<128?g<<1:g<<1^283;for(g=0;g<256;g++){var y=p^p<<1^p<<2^p<<3^p<<4;y=y>>>8^255&y^99,t[h]=y,e[y]=h;var v=f[h],m=f[v],b=f[m],_=257*f[y]^16843008*y;r[h]=_<<24|_>>>8,n[h]=_<<16|_>>>16,a[h]=_<<8|_>>>24,o[h]=_,_=16843009*b^65537*m^257*v^16843008*h,l[y]=_<<24|_>>>8,u[y]=_<<16|_>>>16,d[y]=_<<8|_>>>24,c[y]=_,h?(h=v^f[f[f[b^v]]],p^=f[f[p]]):h=p=1}}},{key:"expandKey",value:function(t){for(var e=this.uint8ArrayToUint32Array_(t),i=!0,r=0;r<e.length&&i;)i=e[r]===this.key[r],r++;if(!i){this.key=e;var n=this.keySize=e.length;if(4!==n&&6!==n&&8!==n)throw new Error("Invalid aes key size="+n);var a=this.ksRows=4*(n+6+1),o=void 0,s=void 0,l=this.keySchedule=new Uint32Array(a),u=this.invKeySchedule=new Uint32Array(a),d=this.sBox,c=this.rcon,f=this.invSubMix,h=f[0],p=f[1],g=f[2],y=f[3],v=void 0,m=void 0;for(o=0;o<a;o++)o<n?v=l[o]=e[o]:(m=v,o%n==0?(m=m<<8|m>>>24,m=d[m>>>24]<<24|d[m>>>16&255]<<16|d[m>>>8&255]<<8|d[255&m],m^=c[o/n|0]<<24):n>6&&o%n==4&&(m=d[m>>>24]<<24|d[m>>>16&255]<<16|d[m>>>8&255]<<8|d[255&m]),l[o]=v=(l[o-n]^m)>>>0);for(s=0;s<a;s++)o=a-s,m=3&s?l[o]:l[o-4],u[s]=s<4||o<=4?m:h[d[m>>>24]]^p[d[m>>>16&255]]^g[d[m>>>8&255]]^y[d[255&m]],u[s]=u[s]>>>0}}},{key:"networkToHostOrderSwap",value:function(t){return t<<24|(65280&t)<<8|(16711680&t)>>8|t>>>24}},{key:"decrypt",value:function(t,e,i){for(var r,n,a=this.keySize+6,o=this.invKeySchedule,s=this.invSBox,l=this.invSubMix,u=l[0],d=l[1],c=l[2],f=l[3],h=this.uint8ArrayToUint32Array_(i),p=h[0],g=h[1],y=h[2],v=h[3],m=new Int32Array(t),b=new Int32Array(m.length),_=void 0,E=void 0,T=void 0,k=void 0,A=void 0,S=void 0,L=void 0,R=void 0,w=void 0,C=void 0,O=void 0,D=void 0,P=this.networkToHostOrderSwap;e<m.length;){for(w=P(m[e]),C=P(m[e+1]),O=P(m[e+2]),D=P(m[e+3]),A=w^o[0],S=D^o[1],L=O^o[2],R=C^o[3],r=4,n=1;n<a;n++)_=u[A>>>24]^d[S>>16&255]^c[L>>8&255]^f[255&R]^o[r],E=u[S>>>24]^d[L>>16&255]^c[R>>8&255]^f[255&A]^o[r+1],T=u[L>>>24]^d[R>>16&255]^c[A>>8&255]^f[255&S]^o[r+2],k=u[R>>>24]^d[A>>16&255]^c[S>>8&255]^f[255&L]^o[r+3],A=_,S=E,L=T,R=k,r+=4;_=s[A>>>24]<<24^s[S>>16&255]<<16^s[L>>8&255]<<8^s[255&R]^o[r],E=s[S>>>24]<<24^s[L>>16&255]<<16^s[R>>8&255]<<8^s[255&A]^o[r+1],T=s[L>>>24]<<24^s[R>>16&255]<<16^s[A>>8&255]<<8^s[255&S]^o[r+2],k=s[R>>>24]<<24^s[A>>16&255]<<16^s[S>>8&255]<<8^s[255&L]^o[r+3],r+=3,b[e]=P(_^p),b[e+1]=P(k^g),b[e+2]=P(T^y),b[e+3]=P(E^v),p=w,g=C,y=O,v=D,e+=4}return b.buffer}},{key:"destroy",value:function(){this.key=void 0,this.keySize=void 0,this.ksRows=void 0,this.sBox=void 0,this.invSBox=void 0,this.subMix=void 0,this.invSubMix=void 0,this.keySchedule=void 0,this.invKeySchedule=void 0,this.rcon=void 0}}]),t}();i.default=a},{}],19:[function(t,e,i){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}function n(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(i,"__esModule",{value:!0});var a=function(){function t(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(e,i,r){return i&&t(e.prototype,i),r&&t(e,r),e}}(),o=t(17),s=r(o),l=t(20),u=r(l),d=t(18),c=r(d),f=t(33),h=t(53),p=function(){function t(e,i){n(this,t),this.observer=e,this.config=i,this.logEnabled=!0;try{var r=crypto||self.crypto;this.subtle=r.subtle||r.webkitSubtle}catch(t){}this.disableWebCrypto=!this.subtle}return a(t,[{key:"isSync",value:function(){return this.disableWebCrypto&&this.config.enableSoftwareAES}},{key:"decrypt",value:function(t,e,i,r){var n=this;if(this.disableWebCrypto&&this.config.enableSoftwareAES){this.logEnabled&&(h.logger.log("JS AES decrypt"),this.logEnabled=!1);var a=this.decryptor;a||(this.decryptor=a=new c.default),a.expandKey(e),r(a.decrypt(t,0,i))}else{this.logEnabled&&(h.logger.log("WebCrypto AES decrypt"),this.logEnabled=!1);var o=this.subtle;this.key!==e&&(this.key=e,this.fastAesKey=new u.default(o,e)),this.fastAesKey.expandKey().then(function(a){new s.default(o,i).decrypt(t,a).catch(function(a){n.onWebCryptoError(a,t,e,i,r)}).then(function(t){r(t)})}).catch(function(a){n.onWebCryptoError(a,t,e,i,r)})}}},{key:"onWebCryptoError",value:function(t,e,i,r,n){this.config.enableSoftwareAES?(h.logger.log("WebCrypto Error, disable WebCrypto API"),this.disableWebCrypto=!0,this.logEnabled=!0,this.decrypt(e,i,r,n)):(h.logger.error("decrypting error : "+t.message),this.observer.trigger(Event.ERROR,{type:f.ErrorTypes.MEDIA_ERROR,details:f.ErrorDetails.FRAG_DECRYPT_ERROR,fatal:!0,reason:t.message}))}},{key:"destroy",value:function(){var t=this.decryptor;t&&(t.destroy(),this.decryptor=void 0)}}]),t}();i.default=p},{17:17,18:18,20:20,33:33,53:53}],20:[function(t,e,i){"use strict";function r(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(i,"__esModule",{value:!0});var n=function(){function t(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(e,i,r){return i&&t(e.prototype,i),r&&t(e,r),e}}(),a=function(){function t(e,i){r(this,t),this.subtle=e,this.key=i}return n(t,[{key:"expandKey",value:function(){return this.subtle.importKey("raw",this.key,{name:"AES-CBC"},!1,["encrypt","decrypt"])}}]),t}();i.default=a},{}],21:[function(t,e,i){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}function n(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(i,"__esModule",{value:!0});var a=function(){function t(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(e,i,r){return i&&t(e.prototype,i),r&&t(e,r),e}}(),o=t(22),s=r(o),l=t(53),u=t(27),d=r(u),c=function(){function t(e,i,r){n(this,t),this.observer=e,this.config=r,this.remuxer=i}return a(t,[{key:"resetInitSegment",value:function(t,e,i,r){this._audioTrack={container:"audio/adts",type:"audio",id:-1,sequenceNumber:0,isAAC:!0,samples:[],len:0,manifestCodec:e,duration:r,inputTimeScale:9e4}}},{key:"resetTimeStamp",value:function(){}},{key:"append",value:function(t,e,i,r){var n,a,o,u,c,f,h,p,g,y,v=new d.default(t),m=90*v.timeStamp;for(n=this._audioTrack,f=v.length,g=t.length;f<g-1&&(255!==t[f]||240!=(246&t[f+1]));f++);for(n.samplerate||(a=s.default.getAudioConfig(this.observer,t,f,n.manifestCodec),n.config=a.config,n.samplerate=a.samplerate,n.channelCount=a.channelCount,n.codec=a.codec,l.logger.log("parsed codec:"+n.codec+",rate:"+a.samplerate+",nb channel:"+a.channelCount)),c=0,u=9216e4/n.samplerate;f+5<g&&(h=1&t[f+1]?7:9,o=(3&t[f+3])<<11|t[f+4]<<3|(224&t[f+5])>>>5,(o-=h)>0&&f+h+o<=g);)for(p=m+c*u,y={unit:t.subarray(f+h,f+h+o),pts:p,dts:p},n.samples.push(y),n.len+=o,f+=o+h,c++;f<g-1&&(255!==t[f]||240!=(246&t[f+1]));f++);this.remuxer.remux(n,{samples:[]},{samples:[{pts:m,dts:m,data:v.payload}],inputTimeScale:9e4},{samples:[]},e,i,r)}},{key:"destroy",value:function(){}}],[{key:"probe",value:function(t){var e,i,r=new d.default(t);if(r.hasTimeStamp)for(e=r.length,i=Math.min(t.length-1,e+100);e<i;e++)if(255===t[e]&&240==(246&t[e+1]))return!0;return!1}}]),t}();i.default=c},{22:22,27:27,53:53}],22:[function(t,e,i){"use strict";var r=t(53),n=t(33),a={getAudioConfig:function(t,e,i,a){var o,s,l,u,d,c=navigator.userAgent.toLowerCase(),f=a,h=[96e3,88200,64e3,48e3,44100,32e3,24e3,22050,16e3,12e3,11025,8e3,7350];return o=1+((192&e[i+2])>>>6),(s=(60&e[i+2])>>>2)>h.length-1?void t.trigger(Event.ERROR,{type:n.ErrorTypes.MEDIA_ERROR,details:n.ErrorDetails.FRAG_PARSING_ERROR,fatal:!0,reason:"invalid ADTS sampling index:"+s}):(u=(1&e[i+2])<<2,u|=(192&e[i+3])>>>6,r.logger.log("manifest codec:"+a+",ADTS data:type:"+o+",sampleingIndex:"+s+"["+h[s]+"Hz],channelConfig:"+u),/firefox/i.test(c)?s>=6?(o=5,d=new Array(4),l=s-3):(o=2,d=new Array(2),l=s):-1!==c.indexOf("android")?(o=2,d=new Array(2),l=s):(o=5,d=new Array(4),a&&(-1!==a.indexOf("mp4a.40.29")||-1!==a.indexOf("mp4a.40.5"))||!a&&s>=6?l=s-3:((a&&-1!==a.indexOf("mp4a.40.2")&&s>=6&&1===u||!a&&1===u)&&(o=2,d=new Array(2)),l=s)),d[0]=o<<3,d[0]|=(14&s)>>1,d[1]|=(1&s)<<7,d[1]|=u<<3,5===o&&(d[1]|=(14&l)>>1,d[2]=(1&l)<<7,d[2]|=8,d[3]=0),{config:d,samplerate:h[s],channelCount:u,codec:"mp4a.40."+o,manifestCodec:f})}};e.exports=a},{33:33,53:53}],23:[function(t,e,i){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}function n(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(i,"__esModule",{value:!0});var a=function(){function t(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(e,i,r){return i&&t(e.prototype,i),r&&t(e,r),e}}(),o=t(35),s=r(o),l=t(33),u=t(19),d=r(u),c=t(21),f=r(c),h=t(29),p=r(h),g=t(32),y=r(g),v=t(28),m=r(v),b=t(45),_=r(b),E=t(46),T=r(E),k=function(){function t(e,i,r,a){n(this,t),this.observer=e,this.typeSupported=i,this.config=r,this.vendor=a}return a(t,[{key:"destroy",value:function(){var t=this.demuxer;t&&t.destroy()}},{key:"push",value:function(t,e,i,r,n,a,o,l,u,c,f,h){if(t.byteLength>0&&null!=e&&null!=e.key&&"AES-128"===e.method){var p=this.decrypter;null==p&&(p=this.decrypter=new d.default(this.observer,this.config));var g,y=this;try{g=performance.now()}catch(t){g=Date.now()}p.decrypt(t,e.key.buffer,e.iv.buffer,function(t){var d;try{d=performance.now()}catch(t){d=Date.now()}y.observer.trigger(s.default.FRAG_DECRYPTED,{stats:{tstart:g,tdecrypt:d}}),y.pushDecrypted(new Uint8Array(t),e,new Uint8Array(i),r,n,a,o,l,u,c,f,h)})}else this.pushDecrypted(new Uint8Array(t),e,new Uint8Array(i),r,n,a,o,l,u,c,f,h)}},{key:"pushDecrypted",value:function(t,e,i,r,n,a,o,u,d,c,h,g){var v=this.demuxer;if(!v||o&&!this.probe(t)){var b=this.observer,E=this.typeSupported,k=this.config,A=[{demux:y.default,remux:_.default},{demux:m.default,remux:_.default},{demux:f.default,remux:_.default},{demux:p.default,remux:T.default}];for(var S in A){var L=A[S],R=L.demux.probe;if(R(t)){var w=this.remuxer=new L.remux(b,k,E,this.vendor);v=new L.demux(b,w,k,E),this.probe=R;break}}if(!v)return void b.trigger(s.default.ERROR,{type:l.ErrorTypes.MEDIA_ERROR,details:l.ErrorDetails.FRAG_PARSING_ERROR,fatal:!0,reason:"no demux matching with content found"});this.demuxer=v}var C=this.remuxer;(o||u)&&(v.resetInitSegment(i,r,n,c),C.resetInitSegment()),o&&(v.resetTimeStamp(),C.resetTimeStamp(g)),"function"==typeof v.setDecryptData&&v.setDecryptData(e),v.append(t,a,d,h)}}]),t}();i.default=k},{19:19,21:21,28:28,29:29,32:32,33:33,35:35,45:45,46:46}],24:[function(t,e,i){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}Object.defineProperty(i,"__esModule",{value:!0});var n=t(23),a=r(n),o=t(35),s=r(o),l=t(53),u=t(1),d=r(u),c=function(t){var e=new d.default;e.trigger=function(t){for(var i=arguments.length,r=Array(i>1?i-1:0),n=1;n<i;n++)r[n-1]=arguments[n];e.emit.apply(e,[t,t].concat(r))},e.off=function(t){for(var i=arguments.length,r=Array(i>1?i-1:0),n=1;n<i;n++)r[n-1]=arguments[n];e.removeListener.apply(e,[t].concat(r))};var i=function(e,i){t.postMessage({event:e,data:i})};t.addEventListener("message",function(r){var n=r.data;switch(n.cmd){case"init":var o=JSON.parse(n.config);t.demuxer=new a.default(e,n.typeSupported,o,n.vendor);try{(0,l.enableLogs)(!0===o.debug)}catch(t){console.warn("demuxerWorker: unable to enable logs")}i("init",null);break;case"demux":t.demuxer.push(n.data,n.decryptdata,n.initSegment,n.audioCodec,n.videoCodec,n.timeOffset,n.discontinuity,n.trackSwitch,n.contiguous,n.duration,n.accurateTimeOffset,n.defaultInitPTS)}}),e.on(s.default.FRAG_DECRYPTED,i),e.on(s.default.FRAG_PARSING_INIT_SEGMENT,i),e.on(s.default.FRAG_PARSED,i),e.on(s.default.ERROR,i),e.on(s.default.FRAG_PARSING_METADATA,i),e.on(s.default.FRAG_PARSING_USERDATA,i),e.on(s.default.INIT_PTS_FOUND,i),e.on(s.default.FRAG_PARSING_DATA,function(e,i){var r=[],n={event:e,data:i};i.data1&&(n.data1=i.data1.buffer,r.push(i.data1.buffer),delete i.data1),i.data2&&(n.data2=i.data2.buffer,r.push(i.data2.buffer),delete i.data2),t.postMessage(n,r)})};i.default=c},{1:1,23:23,35:35,53:53}],25:[function(t,e,i){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}function n(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(i,"__esModule",{value:!0});var a=function(){function t(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(e,i,r){return i&&t(e.prototype,i),r&&t(e,r),e}}(),o=t(35),s=r(o),l=t(23),u=r(l),d=t(24),c=r(d),f=t(53),h=t(33),p=t(1),g=r(p),y=function(){function e(i,r){n(this,e),this.hls=i,this.id=r;var a=this.observer=new g.default,o=i.config;a.trigger=function(t){for(var e=arguments.length,i=Array(e>1?e-1:0),r=1;r<e;r++)i[r-1]=arguments[r];a.emit.apply(a,[t,t].concat(i))},a.off=function(t){for(var e=arguments.length,i=Array(e>1?e-1:0),r=1;r<e;r++)i[r-1]=arguments[r];a.removeListener.apply(a,[t].concat(i))};var l=function(t,e){e=e||{},e.frag=this.frag,e.id=this.id,i.trigger(t,e)}.bind(this);a.on(s.default.FRAG_DECRYPTED,l),a.on(s.default.FRAG_PARSING_INIT_SEGMENT,l),a.on(s.default.FRAG_PARSING_DATA,l),a.on(s.default.FRAG_PARSED,l),a.on(s.default.ERROR,l),a.on(s.default.FRAG_PARSING_METADATA,l),a.on(s.default.FRAG_PARSING_USERDATA,l),a.on(s.default.INIT_PTS_FOUND,l);var d={mp4:MediaSource.isTypeSupported("video/mp4"),mpeg:MediaSource.isTypeSupported("audio/mpeg"),mp3:MediaSource.isTypeSupported('audio/mp4; codecs="mp3"')},p=navigator.vendor;if(o.enableWorker&&"undefined"!=typeof Worker){f.logger.log("demuxing in webworker");var y=void 0;try{var v=t(3);y=this.w=v(c.default),this.onwmsg=this.onWorkerMessage.bind(this),y.addEventListener("message",this.onwmsg),y.onerror=function(t){i.trigger(s.default.ERROR,{type:h.ErrorTypes.OTHER_ERROR,details:h.ErrorDetails.INTERNAL_EXCEPTION,fatal:!0,event:"demuxerWorker",err:{message:t.message+" ("+t.filename+":"+t.lineno+")"}})},y.postMessage({cmd:"init",typeSupported:d,vendor:p,id:r,config:JSON.stringify(o)})}catch(t){f.logger.error("error while initializing DemuxerWorker, fallback on DemuxerInline"),y&&URL.revokeObjectURL(y.objectURL),this.demuxer=new u.default(a,d,o,p),this.w=void 0}}else this.demuxer=new u.default(a,d,o,p)}return a(e,[{key:"destroy",value:function(){var t=this.w;if(t)t.removeEventListener("message",this.onwmsg),t.terminate(),this.w=null;else{var e=this.demuxer;e&&(e.destroy(),this.demuxer=null)}var i=this.observer;i&&(i.removeAllListeners(),this.observer=null)}},{key:"push",value:function(t,e,i,r,n,a,o,s){var l=this.w,u=isNaN(n.startDTS)?n.start:n.startDTS,d=n.decryptdata,c=this.frag,h=!(c&&n.cc===c.cc),p=!(c&&n.level===c.level),g=c&&n.sn===c.sn+1,y=!p&&g;if(h&&f.logger.log(this.id+":discontinuity detected"),p&&f.logger.log(this.id+":switch detected"),this.frag=n,l)l.postMessage({cmd:"demux",data:t,decryptdata:d,initSegment:e,audioCodec:i,videoCodec:r,timeOffset:u,discontinuity:h,trackSwitch:p,contiguous:y,duration:a,accurateTimeOffset:o,defaultInitPTS:s},[t]);else{var v=this.demuxer;v&&v.push(t,d,e,i,r,u,h,p,y,a,o,s)}}},{key:"onWorkerMessage",value:function(t){var e=t.data,i=this.hls;switch(e.event){case"init":URL.revokeObjectURL(this.w.objectURL);break;case s.default.FRAG_PARSING_DATA:e.data.data1=new Uint8Array(e.data1),e.data2&&(e.data.data2=new Uint8Array(e.data2));default:e.data=e.data||{},e.data.frag=this.frag,e.data.id=this.id,i.trigger(e.event,e.data)}}}]),e}();i.default=y},{1:1,23:23,24:24,3:3,33:33,35:35,53:53}],26:[function(t,e,i){"use strict";function r(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(i,"__esModule",{value:!0});var n=function(){function t(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(e,i,r){return i&&t(e.prototype,i),r&&t(e,r),e}}(),a=t(53),o=function(){function t(e){r(this,t),this.data=e,this.bytesAvailable=e.byteLength,this.word=0,this.bitsAvailable=0}return n(t,[{key:"loadWord",value:function(){var t=this.data,e=this.bytesAvailable,i=t.byteLength-e,r=new Uint8Array(4),n=Math.min(4,e);if(0===n)throw new Error("no bytes available");r.set(t.subarray(i,i+n)),this.word=new DataView(r.buffer).getUint32(0),this.bitsAvailable=8*n,this.bytesAvailable-=n}},{key:"skipBits",value:function(t){var e;this.bitsAvailable>t?(this.word<<=t,this.bitsAvailable-=t):(t-=this.bitsAvailable,e=t>>3,t-=e>>3,this.bytesAvailable-=e,this.loadWord(),this.word<<=t,this.bitsAvailable-=t)}},{key:"readBits",value:function(t){var e=Math.min(this.bitsAvailable,t),i=this.word>>>32-e;return t>32&&a.logger.error("Cannot read more than 32 bits at a 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e,i,r=8,n=8;for(e=0;e<t;e++)0!==n&&(i=this.readEG(),n=(r+i+256)%256),r=0===n?r:n}},{key:"readSPS",value:function(){var t,e,i,r,n,a,o,s=0,l=0,u=0,d=0,c=this.readUByte.bind(this),f=this.readBits.bind(this),h=this.readUEG.bind(this),p=this.readBoolean.bind(this),g=this.skipBits.bind(this),y=this.skipEG.bind(this),v=this.skipUEG.bind(this),m=this.skipScalingList.bind(this);if(c(),t=c(),f(5),g(3),c(),v(),100===t||110===t||122===t||244===t||44===t||83===t||86===t||118===t||128===t){var b=h();if(3===b&&g(1),v(),v(),g(1),p())for(a=3!==b?8:12,o=0;o<a;o++)p()&&m(o<6?16:64)}v();var _=h();if(0===_)h();else if(1===_)for(g(1),y(),y(),e=h(),o=0;o<e;o++)y();v(),g(1),i=h(),r=h(),n=f(1),0===n&&g(1),g(1),p()&&(s=h(),l=h(),u=h(),d=h());var E=[1,1];if(p()&&p()){switch(c()){case 1:E=[1,1];break;case 2:E=[12,11];break;case 3:E=[10,11];break;case 4:E=[16,11];break;case 5:E=[40,33];break;case 6:E=[24,11];break;case 7:E=[20,11];break;case 8:E=[32,11];break;case 9:E=[80,33];break;case 10:E=[18,11];break;case 11:E=[15,11];break;case 12:E=[64,33];break;case 13:E=[160,99];break;case 14:E=[4,3];break;case 15:E=[3,2];break;case 16:E=[2,1];break;case 255:E=[c()<<8|c(),c()<<8|c()]}}return{width:Math.ceil(16*(i+1)-2*s-2*l),height:(2-n)*(r+1)*16-(n?2:4)*(u+d),pixelRatio:E}}},{key:"readSliceType",value:function(){return this.readUByte(),this.readUEG(),this.readUEG()}}]),t}();i.default=o},{53:53}],27:[function(t,e,i){"use strict";function r(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(i,"__esModule",{value:!0});var n=function(){function t(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(e,i,r){return i&&t(e.prototype,i),r&&t(e,r),e}}(),a=t(53),o=function(){function t(e){r(this,t),this._hasTimeStamp=!1,this._length=0;for(var i,n,o,s,l,u,d,c,f=0;;)if(d=this.readUTF(e,f,3),f+=3,"ID3"===d)f+=3,i=127&e[f++],n=127&e[f++],o=127&e[f++],s=127&e[f++],l=(i<<21)+(n<<14)+(o<<7)+s,u=f+l,this._parseID3Frames(e,f,u),f=u;else{if("3DI"!==d)return f-=3,void((c=f)&&(this.hasTimeStamp||a.logger.warn("ID3 tag found, but no timestamp"),this._length=c,this._payload=e.subarray(0,c)));f+=7,a.logger.log("3DI footer found, end: "+f)}}return n(t,[{key:"readUTF",value:function(t,e,i){var r="",n=e,a=e+i;do{r+=String.fromCharCode(t[n++])}while(n<a);return r}},{key:"_parseID3Frames",value:function(t,e,i){for(var r,n;e+8<=i;)switch(r=this.readUTF(t,e,4),e+=4,t[e++]<<24+t[e++]<<16+t[e++]<<8+t[e++],t[e++]<<8+t[e++],e,r){case"PRIV":if("com.apple.streaming.transportStreamTimestamp"===this.readUTF(t,e,44)){e+=44,e+=4;var o=1&t[e++];this._hasTimeStamp=!0,n=((t[e++]<<23)+(t[e++]<<15)+(t[e++]<<7)+t[e++])/45,o&&(n+=47721858.84),n=Math.round(n),a.logger.trace("ID3 timestamp found: "+n),this._timeStamp=n}}}},{key:"hasTimeStamp",get:function(){return this._hasTimeStamp}},{key:"timeStamp",get:function(){return this._timeStamp}},{key:"length",get:function(){return this._length}},{key:"payload",get:function(){return this._payload}}]),t}();i.default=o},{53:53}],28:[function(t,e,i){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}function n(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(i,"__esModule",{value:!0});var a=function(){function t(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(e,i,r){return i&&t(e.prototype,i),r&&t(e,r),e}}(),o=t(27),s=r(o),l=t(30),u=r(l),d=function(){function t(e,i,r){n(this,t),this.observer=e,this.config=r,this.remuxer=i}return a(t,[{key:"resetInitSegment",value:function(t,e,i,r){this._audioTrack={container:"audio/mpeg",type:"audio",id:-1,sequenceNumber:0,isAAC:!1,samples:[],len:0,manifestCodec:e,duration:r,inputTimeScale:9e4}}},{key:"resetTimeStamp",value:function(){}},{key:"append",value:function(t,e,i,r){var n,a,o=new s.default(t),l=90*o.timeStamp,d=o.length;for(n=d,a=t.length;n<a-1&&(255!==t[n]||224!=(224&t[n+1])||0==(6&t[n+1]));n++);u.default.parse(this._audioTrack,t,o.length,l),this.remuxer.remux(this._audioTrack,{samples:[]},{samples:[{pts:l,dts:l,data:o.payload}],inputTimeScale:9e4},{samples:[]},e,i,r)}},{key:"destroy",value:function(){}}],[{key:"probe",value:function(t){var e,i,r=new s.default(t);if(r.hasTimeStamp)for(e=r.length,i=Math.min(t.length-1,e+100);e<i;e++)if(255===t[e]&&224==(224&t[e+1])&&0!=(6&t[e+1]))return!0;return!1}}]),t}();i.default=d},{27:27,30:30}],29:[function(t,e,i){"use strict";function r(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(i,"__esModule",{value:!0});var n=function(){function t(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(e,i,r){return i&&t(e.prototype,i),r&&t(e,r),e}}(),a=t(35),o=function(t){return t&&t.__esModule?t:{default:t}}(a),s=function(){function t(e,i){r(this,t),this.observer=e,this.remuxer=i}return n(t,[{key:"resetTimeStamp",value:function(){}},{key:"resetInitSegment",value:function(e,i,r,n){var a=this.initData=t.parseInitSegment(e),s={};a.audio&&(s.audio={container:"audio/mp4",codec:i,initSegment:e}),a.video&&(s.video={container:"video/mp4",codec:r,initSegment:e}),this.observer.trigger(o.default.FRAG_PARSING_INIT_SEGMENT,{tracks:s})}},{key:"append",value:function(e,i,r,n){var a=this.initData,o=t.startDTS(a,e);this.remuxer.remux(a.audio,a.video,null,null,o,r,n,e)}},{key:"destroy",value:function(){}}],[{key:"probe",value:function(e){if(e.length>=8){return["moof","ftyp","styp"].indexOf(t.bin2str(e.subarray(4,8)))>=0}return!1}},{key:"bin2str",value:function(t){return String.fromCharCode.apply(null,t)}},{key:"readUint32",value:function(t,e){var i=t[e]<<24|t[e+1]<<16|t[e+2]<<8|t[e+3];return i<0?4294967296+i:i}},{key:"findBox",value:function(e,i){var r,n,a,o,s,l=[];if(!i.length)return null;for(r=0;r<e.byteLength;)n=t.readUint32(e,r),a=t.bin2str(e.subarray(r+4,r+8)),o=n>1?r+n:e.byteLength,a===i[0]&&(1===i.length?l.push(e.subarray(r+8,o)):(s=t.findBox(e.subarray(r+8,o),i.slice(1)),s.length&&(l=l.concat(s)))),r=o;return l}},{key:"parseInitSegment",value:function(e){var i=[];return t.findBox(e,["moov","trak"]).forEach(function(e){var r=t.findBox(e,["tkhd"])[0];if(r){var n=r[0],a=0===n?12:20,o=t.readUint32(r,a),s=t.findBox(e,["mdia","mdhd"])[0];if(s){n=s[0],a=0===n?12:20;var l=t.readUint32(s,a),u=t.findBox(e,["mdia","hdlr"])[0];if(u){var d=t.bin2str(u.subarray(8,12)),c={soun:"audio",vide:"video"}[d];c&&(i[o]={timescale:l,type:c},i[c]={timescale:l,id:o})}}}}),i}},{key:"startDTS",value:function(e,i){var r,n,a;return r=t.findBox(i,["moof","traf"]),n=[].concat.apply([],r.map(function(i){return t.findBox(i,["tfhd"]).map(function(r){var n,a,o;return n=t.readUint32(r,4),a=e[n].timescale||9e4,o=t.findBox(i,["tfdt"]).map(function(e){var i,r;return i=e[0],r=t.readUint32(e,4),1===i&&(r*=Math.pow(2,32),r+=t.readUint32(e,8)),r})[0],(o=o||1/0)/a})})),a=Math.min.apply(null,n),isFinite(a)?a:0}}]),t}();i.default=s},{35:35}],30:[function(t,e,i){"use strict";var r=t(53),n={onFrame:function(t,e,i,r,n,a,o){var s=10368e4/r,l=o+a*s;t.config=[],t.channelCount=n,t.samplerate=r,t.samples.push({unit:e,pts:l,dts:l}),t.len+=e.length},onNoise:function(t){r.logger.warn("mpeg audio has noise: "+t.length+" bytes")},parseFrames:function(t,e,i,r,n,a){var o=[32,64,96,128,160,192,224,256,288,320,352,384,416,448,32,48,56,64,80,96,112,128,160,192,224,256,320,384,32,40,48,56,64,80,96,112,128,160,192,224,256,320,32,48,56,64,80,96,112,128,144,160,176,192,224,256,8,16,24,32,40,48,56,64,80,96,112,128,144,160],s=[44100,48e3,32e3,22050,24e3,16e3,11025,12e3,8e3];if(i+2>r)return-1;if(255===e[i]||224==(224&e[i+1])){if(i+24>r)return-1;var l=e[i+1]>>3&3,u=e[i+1]>>1&3,d=e[i+2]>>4&15,c=e[i+2]>>2&3,f=!!(2&e[i+2]);if(1!==l&&0!==d&&15!==d&&3!==c){var h=3===l?3-u:3===u?3:4,p=1e3*o[14*h+d-1],g=3===l?0:2===l?1:2,y=s[3*g+c],v=f?1:0,m=e[i+3]>>6==3?1:2,b=3===u?(3===l?12:6)*p/y+v<<2:(3===l?144:72)*p/y+v|0;return i+b>r?-1:(this.onFrame(t,e.subarray(i,i+b),p,y,m,n,a),b)}}for(var _=i+2;_<r;){if(255===e[_-1]&&224==(224&e[_]))return this.onNoise(e.subarray(i,_-1)),_-i-1;_++}return-1},parse:function(t,e,i,r){for(var n,a=e.length,o=0;i<a&&(n=this.parseFrames(t,e,i,a,o++,r))>0;)i+=n}};e.exports=n},{53:53}],31:[function(t,e,i){"use strict";function r(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(i,"__esModule",{value:!0});var n=function(){function t(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(e,i,r){return i&&t(e.prototype,i),r&&t(e,r),e}}(),a=t(19),o=function(t){return t&&t.__esModule?t:{default:t}}(a),s=function(){function t(e,i,n,a){r(this,t),this.decryptdata=n,this.discardEPB=a,this.decrypter=new o.default(e,i)}return n(t,[{key:"decryptBuffer",value:function(t,e){this.decrypter.decrypt(t,this.decryptdata.key.buffer,this.decryptdata.iv.buffer,e)}},{key:"decryptAacSample",value:function(t,e,i,r){var n=t[e].unit,a=n.subarray(16,n.length-n.length%16),o=a.buffer.slice(a.byteOffset,a.byteOffset+a.length),s=this;this.decryptBuffer(o,function(a){a=new Uint8Array(a),n.set(a,16),r||s.decryptAacSamples(t,e+1,i)})}},{key:"decryptAacSamples",value:function(t,e,i){for(;;e++){if(e>=t.length)return void i();if(!(t[e].unit.length<32)){var r=this.decrypter.isSync();if(this.decryptAacSample(t,e,i,r),!r)return}}}},{key:"getAvcEncryptedData",value:function(t){for(var e=16*Math.floor((t.length-48)/160)+16,i=new Int8Array(e),r=0,n=32;n<=t.length-16;n+=160,r+=16)i.set(t.subarray(n,n+16),r);return i}},{key:"getAvcDecryptedUnit",value:function(t,e){e=new Uint8Array(e);for(var i=0,r=32;r<=t.length-16;r+=160,i+=16)t.set(e.subarray(i,i+16),r);return t}},{key:"decryptAvcSample",value:function(t,e,i,r,n,a){var o=this.discardEPB(n.data),s=this.getAvcEncryptedData(o),l=this;this.decryptBuffer(s.buffer,function(s){n.data=l.getAvcDecryptedUnit(o,s),a||l.decryptAvcSamples(t,e,i+1,r)})}},{key:"decryptAvcSamples",value:function(t,e,i,r){for(;;e++,i=0){if(e>=t.length)return void r();for(var n=t[e].units;!(i>=n.length);i++){var a=n[i];if(!(a.length<=48||1!==a.type&&5!==a.type)){var o=this.decrypter.isSync();if(this.decryptAvcSample(t,e,i,r,a,o),!o)return}}}}}]),t}();i.default=s},{19:19}],32:[function(t,e,i){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}function n(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(i,"__esModule",{value:!0});var a=function(){function t(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(e,i,r){return i&&t(e.prototype,i),r&&t(e,r),e}}(),o=t(22),s=r(o),l=t(30),u=r(l),d=t(35),c=r(d),f=t(26),h=r(f),p=t(31),g=r(p),y=t(53),v=t(33),m=function(){function t(e,i,r,a){n(this,t),this.observer=e,this.config=r,this.typeSupported=a,this.remuxer=i,this.sampleAes=null}return a(t,[{key:"setDecryptData",value:function(t){null!=t&&null!=t.key&&"SAMPLE-AES"===t.method?this.sampleAes=new g.default(this.observer,this.config,t,this.discardEPB):this.sampleAes=null}},{key:"resetInitSegment",value:function(t,e,i,r){this.pmtParsed=!1,this._pmtId=-1,this._avcTrack={container:"video/mp2t",type:"video",id:-1,inputTimeScale:9e4,sequenceNumber:0,samples:[],len:0,dropped:0},this._audioTrack={container:"video/mp2t",type:"audio",id:-1,inputTimeScale:9e4,duration:r,sequenceNumber:0,samples:[],len:0,isAAC:!0},this._id3Track={type:"id3",id:-1,inputTimeScale:9e4,sequenceNumber:0,samples:[],len:0},this._txtTrack={type:"text",id:-1,inputTimeScale:9e4,sequenceNumber:0,samples:[],len:0},this.aacOverFlow=null,this.aacLastPTS=null,this.avcSample=null,this.audioCodec=e,this.videoCodec=i,this._duration=r}},{key:"resetTimeStamp",value:function(){}},{key:"append",value:function(t,e,i,r){var n,a,o,s,l,u=t.length,d=!1;this.contiguous=i;var f=this.pmtParsed,h=this._avcTrack,p=this._audioTrack,g=this._id3Track,m=h.id,b=p.id,_=g.id,E=this._pmtId,T=h.pesData,k=p.pesData,A=g.pesData,S=this._parsePAT,L=this._parsePMT,R=this._parsePES,w=this._parseAVCPES.bind(this),C=this._parseAACPES.bind(this),O=this._parseMPEGPES.bind(this),D=this._parseID3PES.bind(this);for(u-=u%188,n=0;n<u;n+=188)if(71===t[n]){if(a=!!(64&t[n+1]),o=((31&t[n+1])<<8)+t[n+2],(48&t[n+3])>>4>1){if((s=n+5+t[n+4])===n+188)continue}else s=n+4;switch(o){case m:a&&(T&&(l=R(T))&&w(l,!1),T={data:[],size:0}),T&&(T.data.push(t.subarray(s,n+188)),T.size+=n+188-s);break;case b:a&&(k&&(l=R(k))&&(p.isAAC?C(l):O(l)),k={data:[],size:0}),k&&(k.data.push(t.subarray(s,n+188)),k.size+=n+188-s);break;case _:a&&(A&&(l=R(A))&&D(l),A={data:[],size:0}),A&&(A.data.push(t.subarray(s,n+188)),A.size+=n+188-s);break;case 0:a&&(s+=t[s]+1),E=this._pmtId=S(t,s);break;case E:a&&(s+=t[s]+1);var P=L(t,s,!0===this.typeSupported.mpeg||!0===this.typeSupported.mp3,null!=this.sampleAes);m=P.avc,m>0&&(h.id=m),b=P.audio,b>0&&(p.id=b,p.isAAC=P.isAAC),_=P.id3,_>0&&(g.id=_),d&&!f&&(y.logger.log("reparse from beginning"),d=!1,n=-188),f=this.pmtParsed=!0;break;case 17:case 8191:break;default:d=!0}}else this.observer.trigger(c.default.ERROR,{type:v.ErrorTypes.MEDIA_ERROR,details:v.ErrorDetails.FRAG_PARSING_ERROR,fatal:!1,reason:"TS packet did not start with 0x47"});T&&(l=R(T))?(w(l,!0),h.pesData=null):h.pesData=T,k&&(l=R(k))?(p.isAAC?C(l):O(l),p.pesData=null):(k&&k.size&&y.logger.log("last AAC PES packet truncated,might overlap between fragments"),p.pesData=k),A&&(l=R(A))?(D(l),g.pesData=null):g.pesData=A,null==this.sampleAes?this.remuxer.remux(p,h,g,this._txtTrack,e,i,r):this.decryptAndRemux(p,h,g,this._txtTrack,e,i,r)}},{key:"decryptAndRemux",value:function(t,e,i,r,n,a,o){if(t.samples&&t.isAAC){var s=this;this.sampleAes.decryptAacSamples(t.samples,0,function(){s.decryptAndRemuxAvc(t,e,i,r,n,a,o)})}else this.decryptAndRemuxAvc(t,e,i,r,n,a,o)}},{key:"decryptAndRemuxAvc",value:function(t,e,i,r,n,a,o){if(e.samples){var s=this;this.sampleAes.decryptAvcSamples(e.samples,0,0,function(){s.remuxer.remux(t,e,i,r,n,a,o)})}else this.remuxer.remux(t,e,i,r,n,a,o)}},{key:"destroy",value:function(){this._initPTS=this._initDTS=void 0,this._duration=0}},{key:"_parsePAT",value:function(t,e){return(31&t[e+10])<<8|t[e+11]}},{key:"_parsePMT",value:function(t,e,i,r){var n,a,o,s,l={audio:-1,avc:-1,id3:-1,isAAC:!0};for(n=(15&t[e+1])<<8|t[e+2],a=e+3+n-4,o=(15&t[e+10])<<8|t[e+11],e+=12+o;e<a;){switch(s=(31&t[e+1])<<8|t[e+2],t[e]){case 207:if(!r){y.logger.log("unkown stream type:"+t[e]);break}case 15:-1===l.audio&&(l.audio=s);break;case 21:-1===l.id3&&(l.id3=s);break;case 219:if(!r){y.logger.log("unkown stream type:"+t[e]);break}case 27:-1===l.avc&&(l.avc=s);break;case 3:case 4:i?-1===l.audio&&(l.audio=s,l.isAAC=!1):y.logger.log("MPEG audio found, not supported in this browser for now");break;case 36:y.logger.warn("HEVC stream type found, not supported for now");break;default:y.logger.log("unkown stream type:"+t[e])}e+=5+((15&t[e+3])<<8|t[e+4])}return l}},{key:"_parsePES",value:function(t){var e,i,r,n,a,o,s,l,u=0,d=t.data;if(!t||0===t.size)return null;for(;d[0].length<19&&d.length>1;){var c=new Uint8Array(d[0].length+d[1].length);c.set(d[0]),c.set(d[1],d[0].length),d[0]=c,d.splice(1,1)}if(e=d[0],1===(e[0]<<16)+(e[1]<<8)+e[2]){if((r=(e[4]<<8)+e[5])&&r>t.size-6)return null;i=e[7],192&i&&(o=536870912*(14&e[9])+4194304*(255&e[10])+16384*(254&e[11])+128*(255&e[12])+(254&e[13])/2,o>4294967295&&(o-=8589934592),64&i?(s=536870912*(14&e[14])+4194304*(255&e[15])+16384*(254&e[16])+128*(255&e[17])+(254&e[18])/2,s>4294967295&&(s-=8589934592),o-s>54e5&&(y.logger.warn(Math.round((o-s)/9e4)+"s delta between PTS and DTS, align them"),o=s)):s=o),n=e[8],l=n+9,t.size-=l,a=new Uint8Array(t.size);for(var f=0,h=d.length;f<h;f++){e=d[f];var p=e.byteLength;if(l){if(l>p){l-=p;continue}e=e.subarray(l),p-=l,l=0}a.set(e,u),u+=p}return r&&(r-=n+3),{data:a,pts:o,dts:s,len:r}}return null}},{key:"pushAccesUnit",value:function(t,e){if(t.units.length&&t.frame){var i=e.samples,r=i.length;!this.config.forceKeyFrameOnDiscontinuity||!0===t.key||e.sps&&(r||this.contiguous)?(t.id=r,i.push(t)):e.dropped++}t.debug.length&&y.logger.log(t.pts+"/"+t.dts+":"+t.debug)}},{key:"_parseAVCPES",value:function(t,e){var i,r,n,a=this,o=this._avcTrack,s=this._parseAVCNALu(t.data),l=this.avcSample;t.data=null,s.forEach(function(e){switch(e.type){case 1:r=!0,l.frame=!0;var s=e.data;if(s.length>4){var u=new h.default(s).readSliceType();2!==u&&4!==u&&7!==u&&9!==u||(l.key=!0)}break;case 5:r=!0,l||(l=a.avcSample=a._createAVCSample(!0,t.pts,t.dts,"")),l.key=!0,l.frame=!0;break;case 6:r=!0,i=new h.default(a.discardEPB(e.data)),i.readUByte();for(var d=0,c=0,f=!1,p=0;!f&&i.bytesAvailable>1;){d=0;do{p=i.readUByte(),d+=p}while(255===p);c=0;do{p=i.readUByte(),c+=p}while(255===p);if(4===d&&0!==i.bytesAvailable){f=!0;if(181===i.readUByte()){if(49===i.readUShort()){if(1195456820===i.readUInt()){if(3===i.readUByte()){var g=i.readUByte(),y=i.readUByte(),v=31&g,m=[g,y];for(n=0;n<v;n++)m.push(i.readUByte()),m.push(i.readUByte()),m.push(i.readUByte());a._insertSampleInOrder(a._txtTrack.samples,{type:3,pts:t.pts,bytes:m})}}}}}else if(c<i.bytesAvailable)for(n=0;n<c;n++)i.readUByte()}break;case 7:if(r=!0,!o.sps){i=new h.default(e.data);var b=i.readSPS();o.width=b.width,o.height=b.height,o.pixelRatio=b.pixelRatio,o.sps=[e.data],o.duration=a._duration;var _=e.data.subarray(1,4),E="avc1.";for(n=0;n<3;n++){var T=_[n].toString(16);T.length<2&&(T="0"+T),E+=T}o.codec=E}break;case 8:r=!0,o.pps||(o.pps=[e.data]);break;case 9:r=!1,l&&a.pushAccesUnit(l,o),l=a.avcSample=a._createAVCSample(!1,t.pts,t.dts,"");break;case 12:r=!1;break;default:r=!1,l&&(l.debug+="unknown NAL "+e.type+" ")}if(l&&r){l.units.push(e)}}),e&&l&&(this.pushAccesUnit(l,o),this.avcSample=null)}},{key:"_createAVCSample",value:function(t,e,i,r){return{key:t,pts:e,dts:i,units:[],debug:r}}},{key:"_insertSampleInOrder",value:function(t,e){var i=t.length;if(i>0){if(e.pts>=t[i-1].pts)t.push(e);else for(var r=i-1;r>=0;r--)if(e.pts<t[r].pts){t.splice(r,0,e);break}}else t.push(e)}},{key:"_getLastNalUnit",value:function(){var t=this.avcSample,e=void 0;if(!t||0===t.units.length){var i=this._avcTrack,r=i.samples;t=r[r.length-1]}if(t){var n=t.units;e=n[n.length-1]}return e}},{key:"_parseAVCNALu",value:function(t){var e,i,r,n,a,o=0,s=t.byteLength,l=this._avcTrack,u=l.naluState||0,d=u,c=[],f=-1;for(-1===u&&(f=0,a=31&t[0],u=0,o=1);o<s;)if(e=t[o++],u)if(1!==u)if(e)if(1===e){if(f>=0)r={data:t.subarray(f,o-u-1),type:a},c.push(r);else{var h=this._getLastNalUnit();if(h&&(d&&o<=4-d&&h.state&&(h.data=h.data.subarray(0,h.data.byteLength-d)),(i=o-u-1)>0)){var p=new Uint8Array(h.data.byteLength+i);p.set(h.data,0),p.set(t.subarray(0,i),h.data.byteLength),h.data=p}}o<s?(n=31&t[o],f=o,a=n,u=0):u=-1}else u=0;else u=3;else u=e?0:2;else u=e?0:1;if(f>=0&&u>=0&&(r={data:t.subarray(f,s),type:a,state:u},c.push(r)),0===c.length){var g=this._getLastNalUnit();if(g){var y=new Uint8Array(g.data.byteLength+t.byteLength);y.set(g.data,0),y.set(t,g.data.byteLength),g.data=y}}return l.naluState=u,c}},{key:"discardEPB",value:function(t){for(var e,i,r=t.byteLength,n=[],a=1;a<r-2;)0===t[a]&&0===t[a+1]&&3===t[a+2]?(n.push(a+2),a+=2):a++;if(0===n.length)return t;e=r-n.length,i=new Uint8Array(e);var o=0;for(a=0;a<e;o++,a++)o===n[0]&&(o++,n.shift()),i[a]=t[o];return i}},{key:"_parseAACPES",value:function(t){var e,i,r,n,a,o,l,u,d,f=this._audioTrack,h=t.data,p=t.pts,g=this.aacOverFlow,m=this.aacLastPTS;if(g){var b=new Uint8Array(g.byteLength+h.byteLength);b.set(g,0),b.set(h,g.byteLength),h=b}for(a=0,u=h.length;a<u-1&&(255!==h[a]||240!=(240&h[a+1]));a++);if(a){var _,E;if(a<u-1?(_="AAC PES did not start with ADTS header,offset:"+a,E=!1):(_="no ADTS header found in AAC PES",E=!0),y.logger.warn("parsing error:"+_),this.observer.trigger(c.default.ERROR,{type:v.ErrorTypes.MEDIA_ERROR,details:v.ErrorDetails.FRAG_PARSING_ERROR,fatal:E,reason:_}),E)return}if(!f.samplerate){var T=this.audioCodec;e=s.default.getAudioConfig(this.observer,h,a,T),f.config=e.config,f.samplerate=e.samplerate,f.channelCount=e.channelCount,f.codec=e.codec,f.manifestCodec=e.manifestCodec,y.logger.log("parsed codec:"+f.codec+",rate:"+e.samplerate+",nb channel:"+e.channelCount)}if(n=0,r=9216e4/f.samplerate,g&&m){var k=m+r;Math.abs(k-p)>1&&(y.logger.log("AAC: align PTS for overlapping frames by 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strict";Object.defineProperty(i,"__esModule",{value:!0});i.ErrorTypes={NETWORK_ERROR:"networkError",MEDIA_ERROR:"mediaError",MUX_ERROR:"muxError",OTHER_ERROR:"otherError"},i.ErrorDetails={MANIFEST_LOAD_ERROR:"manifestLoadError",MANIFEST_LOAD_TIMEOUT:"manifestLoadTimeOut",MANIFEST_PARSING_ERROR:"manifestParsingError",MANIFEST_INCOMPATIBLE_CODECS_ERROR:"manifestIncompatibleCodecsError",LEVEL_LOAD_ERROR:"levelLoadError",LEVEL_LOAD_TIMEOUT:"levelLoadTimeOut",LEVEL_SWITCH_ERROR:"levelSwitchError",AUDIO_TRACK_LOAD_ERROR:"audioTrackLoadError",AUDIO_TRACK_LOAD_TIMEOUT:"audioTrackLoadTimeOut",FRAG_LOAD_ERROR:"fragLoadError",FRAG_LOOP_LOADING_ERROR:"fragLoopLoadingError",FRAG_LOAD_TIMEOUT:"fragLoadTimeOut",FRAG_DECRYPT_ERROR:"fragDecryptError",FRAG_PARSING_ERROR:"fragParsingError",REMUX_ALLOC_ERROR:"remuxAllocError",KEY_LOAD_ERROR:"keyLoadError",KEY_LOAD_TIMEOUT:"keyLoadTimeOut",BUFFER_ADD_CODEC_ERROR:"bufferAddCodecError",BUFFER_APPEND_ERROR:"bufferAppendError",BUFFER_APPENDING_ERROR:"bufferAppendingError",BUFFER_STALLED_ERROR:"bufferStalledError",BUFFER_FULL_ERROR:"bufferFullError",BUFFER_SEEK_OVER_HOLE:"bufferSeekOverHole",BUFFER_NUDGE_ON_STALL:"bufferNudgeOnStall",INTERNAL_EXCEPTION:"internalException",WEBVTT_EXCEPTION:"webVTTException"}},{}],34:[function(t,e,i){"use strict";function r(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(i,"__esModule",{value:!0});var n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t},a=function(){function t(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(e,i,r){return i&&t(e.prototype,i),r&&t(e,r),e}}(),o=t(53),s=t(33),l=t(35),u=function(t){return t&&t.__esModule?t:{default:t}}(l),d=function(){function t(e){r(this,t),this.hls=e,this.onEvent=this.onEvent.bind(this);for(var i=arguments.length,n=Array(i>1?i-1:0),a=1;a<i;a++)n[a-1]=arguments[a];this.handledEvents=n,this.useGenericHandler=!0,this.registerListeners()}return a(t,[{key:"destroy",value:function(){this.unregisterListeners()}},{key:"isEventHandler",value:function(){return"object"===n(this.handledEvents)&&this.handledEvents.length&&"function"==typeof this.onEvent}},{key:"registerListeners",value:function(){this.isEventHandler()&&this.handledEvents.forEach(function(t){if("hlsEventGeneric"===t)throw new Error("Forbidden event name: "+t);this.hls.on(t,this.onEvent)}.bind(this))}},{key:"unregisterListeners",value:function(){this.isEventHandler()&&this.handledEvents.forEach(function(t){this.hls.off(t,this.onEvent)}.bind(this))}},{key:"onEvent",value:function(t,e){this.onEventGeneric(t,e)}},{key:"onEventGeneric",value:function(t,e){var i=function(t,e){var i="on"+t.replace("hls","");if("function"!=typeof this[i])throw new Error("Event "+t+" has no generic handler in this "+this.constructor.name+" class (tried "+i+")");return this[i].bind(this,e)};try{i.call(this,t,e).call()}catch(e){o.logger.error("internal error happened while processing 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strict";e.exports={MEDIA_ATTACHING:"hlsMediaAttaching",MEDIA_ATTACHED:"hlsMediaAttached",MEDIA_DETACHING:"hlsMediaDetaching",MEDIA_DETACHED:"hlsMediaDetached",BUFFER_RESET:"hlsBufferReset",BUFFER_CODECS:"hlsBufferCodecs",BUFFER_CREATED:"hlsBufferCreated",BUFFER_APPENDING:"hlsBufferAppending",BUFFER_APPENDED:"hlsBufferAppended",BUFFER_EOS:"hlsBufferEos",BUFFER_FLUSHING:"hlsBufferFlushing",BUFFER_FLUSHED:"hlsBufferFlushed",MANIFEST_LOADING:"hlsManifestLoading",MANIFEST_LOADED:"hlsManifestLoaded",MANIFEST_PARSED:"hlsManifestParsed",LEVEL_SWITCH:"hlsLevelSwitch",LEVEL_SWITCHING:"hlsLevelSwitching",LEVEL_SWITCHED:"hlsLevelSwitched",LEVEL_LOADING:"hlsLevelLoading",LEVEL_LOADED:"hlsLevelLoaded",LEVEL_UPDATED:"hlsLevelUpdated",LEVEL_PTS_UPDATED:"hlsLevelPtsUpdated",AUDIO_TRACKS_UPDATED:"hlsAudioTracksUpdated",AUDIO_TRACK_SWITCH:"hlsAudioTrackSwitch",AUDIO_TRACK_SWITCHING:"hlsAudioTrackSwitching",AUDIO_TRACK_SWITCHED:"hlsAudioTrackSwitched",AUDIO_TRACK_LOADING:"hlsAudioTrackLoading",AUDIO_TRACK_LOADED:"hlsAudioTrackLoaded",SUBTITLE_TRACKS_UPDATED:"hlsSubtitleTracksUpdated",SUBTITLE_TRACK_SWITCH:"hlsSubtitleTrackSwitch",SUBTITLE_TRACK_LOADING:"hlsSubtitleTrackLoading",SUBTITLE_TRACK_LOADED:"hlsSubtitleTrackLoaded",SUBTITLE_FRAG_PROCESSED:"hlsSubtitleFragProcessed",INIT_PTS_FOUND:"hlsInitPtsFound",FRAG_LOADING:"hlsFragLoading",FRAG_LOAD_PROGRESS:"hlsFragLoadProgress",FRAG_LOAD_EMERGENCY_ABORTED:"hlsFragLoadEmergencyAborted",FRAG_LOADED:"hlsFragLoaded",FRAG_DECRYPTED:"hlsFragDecrypted",FRAG_PARSING_INIT_SEGMENT:"hlsFragParsingInitSegment",FRAG_PARSING_USERDATA:"hlsFragParsingUserdata",FRAG_PARSING_METADATA:"hlsFragParsingMetadata",FRAG_PARSING_DATA:"hlsFragParsingData",FRAG_PARSED:"hlsFragParsed",FRAG_BUFFERED:"hlsFragBuffered",FRAG_CHANGED:"hlsFragChanged",FPS_DROP:"hlsFpsDrop",FPS_DROP_LEVEL_CAPPING:"hlsFpsDropLevelCapping",ERROR:"hlsError",DESTROYING:"hlsDestroying",KEY_LOADING:"hlsKeyLoading",KEY_LOADED:"hlsKeyLoaded",STREAM_STATE_TRANSITION:"hlsStreamStateTransition"}},{}],36:[function(t,e,i){"use strict";function r(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(i,"__esModule",{value:!0});var n=function(){function t(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(e,i,r){return i&&t(e.prototype,i),r&&t(e,r),e}}(),a=function(){function t(){r(this,t)}return n(t,null,[{key:"getSilentFrame",value:function(t,e){switch(t){case"mp4a.40.2":if(1===e)return new Uint8Array([0,200,0,128,35,128]);if(2===e)return new Uint8Array([33,0,73,144,2,25,0,35,128]);if(3===e)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,142]);if(4===e)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,128,44,128,8,2,56]);if(5===e)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,130,48,4,153,0,33,144,2,56]);if(6===e)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,130,48,4,153,0,33,144,2,0,178,0,32,8,224]);break;default:if(1===e)return new Uint8Array([1,64,34,128,163,78,230,128,186,8,0,0,0,28,6,241,193,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94]);if(2===e)return new Uint8Array([1,64,34,128,163,94,230,128,186,8,0,0,0,0,149,0,6,241,161,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94]);if(3===e)return new Uint8Array([1,64,34,128,163,94,230,128,186,8,0,0,0,0,149,0,6,241,161,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94])}return null}}]),t}();i.default=a},{}],37:[function(t,e,i){"use strict";var r={isBuffered:function(t,e){if(t)for(var i=t.buffered,r=0;r<i.length;r++)if(e>=i.start(r)&&e<=i.end(r))return!0;return!1},bufferInfo:function(t,e,i){if(t){var r,n=t.buffered,a=[];for(r=0;r<n.length;r++)a.push({start:n.start(r),end:n.end(r)});return this.bufferedInfo(a,e,i)}return{len:0,start:e,end:e,nextStart:void 0}},bufferedInfo:function(t,e,i){var r,n,a,o,s,l=[];for(t.sort(function(t,e){var i=t.start-e.start;return i||e.end-t.end}),s=0;s<t.length;s++){var u=l.length;if(u){var d=l[u-1].end;t[s].start-d<i?t[s].end>d&&(l[u-1].end=t[s].end):l.push(t[s])}else l.push(t[s])}for(s=0,r=0,n=a=e;s<l.length;s++){var c=l[s].start,f=l[s].end;if(e+i>=c&&e<f)n=c,a=f,r=a-e;else if(e+i<c){o=c;break}}return{len:r,start:n,end:a,nextStart:o}}};e.exports=r},{}],38:[function(t,e,i){"use strict";var r=t(53),n={mergeDetails:function(t,e){var i,a=Math.max(t.startSN,e.startSN)-e.startSN,o=Math.min(t.endSN,e.endSN)-e.startSN,s=e.startSN-t.startSN,l=t.fragments,u=e.fragments,d=0;if(o<a)return void(e.PTSKnown=!1);for(var c=a;c<=o;c++){var f=l[s+c],h=u[c];h&&f&&(d=f.cc-h.cc,isNaN(f.startPTS)||(h.start=h.startPTS=f.startPTS,h.endPTS=f.endPTS,h.duration=f.duration,h.backtracked=f.backtracked,h.dropped=f.dropped,i=h))}if(d)for(r.logger.log("discontinuity sliding from playlist, take drift into account"),c=0;c<u.length;c++)u[c].cc+=d;if(i)n.updateFragPTSDTS(e,i,i.startPTS,i.endPTS,i.startDTS,i.endDTS);else if(s>=0&&s<l.length){var p=l[s].start;for(c=0;c<u.length;c++)u[c].start+=p}e.PTSKnown=t.PTSKnown},updateFragPTSDTS:function(t,e,i,r,a,o){if(!isNaN(e.startPTS)){var s=Math.abs(e.startPTS-i);isNaN(e.deltaPTS)?e.deltaPTS=s:e.deltaPTS=Math.max(s,e.deltaPTS),i=Math.min(i,e.startPTS),r=Math.max(r,e.endPTS),a=Math.min(a,e.startDTS),o=Math.max(o,e.endDTS)}var l=i-e.start;e.start=e.startPTS=i,e.endPTS=r,e.startDTS=a,e.endDTS=o,e.duration=r-i;var u=e.sn;if(!t||u<t.startSN||u>t.endSN)return 0;var d,c,f;for(d=u-t.startSN,c=t.fragments,e=c[d],f=d;f>0;f--)n.updatePTS(c,f,f-1);for(f=d;f<c.length-1;f++)n.updatePTS(c,f,f+1);return t.PTSKnown=!0,l},updatePTS:function(t,e,i){var n=t[e],a=t[i],o=a.startPTS;isNaN(o)?a.start=i>e?n.start+n.duration:Math.max(n.start-a.duration,0):i>e?(n.duration=o-n.start,n.duration<0&&r.logger.warn("negative duration computed for frag "+n.sn+",level "+n.level+", there should be some duration drift between playlist and fragment!")):(a.duration=n.start-o,a.duration<0&&r.logger.warn("negative duration computed for frag "+a.sn+",level "+a.level+", there should be some duration drift between playlist and fragment!"))}};e.exports=n},{53:53}],39:[function(t,e,i){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}function n(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(i,"__esModule",{value:!0});var a=function(){function t(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(e,i,r){return i&&t(e.prototype,i),r&&t(e,r),e}}(),o=t(2),s=r(o),l=t(35),u=r(l),d=t(33),c=t(43),f=r(c),h=t(41),p=r(h),g=t(42),y=r(g),v=t(13),m=r(v),b=t(12),_=r(b),E=t(11),T=r(E),k=t(53),A=t(1),S=r(A),L=t(4),R=function(){function t(){var e=this,i=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};n(this,t);var r=t.DefaultConfig;if((i.liveSyncDurationCount||i.liveMaxLatencyDurationCount)&&(i.liveSyncDuration||i.liveMaxLatencyDuration))throw new Error("Illegal hls.js config: don't mix up liveSyncDurationCount/liveMaxLatencyDurationCount and liveSyncDuration/liveMaxLatencyDuration");for(var a in r)a in i||(i[a]=r[a]);if(void 0!==i.liveMaxLatencyDurationCount&&i.liveMaxLatencyDurationCount<=i.liveSyncDurationCount)throw new Error('Illegal hls.js config: "liveMaxLatencyDurationCount" must be gt "liveSyncDurationCount"');if(void 0!==i.liveMaxLatencyDuration&&(i.liveMaxLatencyDuration<=i.liveSyncDuration||void 0===i.liveSyncDuration))throw new Error('Illegal hls.js config: "liveMaxLatencyDuration" must be gt "liveSyncDuration"');(0,k.enableLogs)(i.debug),this.config=i,this._autoLevelCapping=-1;var o=this.observer=new S.default;o.trigger=function(t){for(var e=arguments.length,i=Array(e>1?e-1:0),r=1;r<e;r++)i[r-1]=arguments[r];o.emit.apply(o,[t,t].concat(i))},o.off=function(t){for(var e=arguments.length,i=Array(e>1?e-1:0),r=1;r<e;r++)i[r-1]=arguments[r];o.removeListener.apply(o,[t].concat(i))},this.on=o.on.bind(o),this.off=o.off.bind(o),this.trigger=o.trigger.bind(o);var s=this.abrController=new i.abrController(this),l=new i.bufferController(this),u=new i.capLevelController(this),d=new i.fpsController(this),c=new f.default(this),h=new p.default(this),g=new y.default(this),v=new T.default(this),b=this.levelController=new _.default(this),E=this.streamController=new m.default(this),A=[b,E],L=i.audioStreamController;L&&A.push(new L(this)),this.networkControllers=A;var R=[c,h,g,s,l,u,d,v];if(L=i.audioTrackController){var w=new L(this);this.audioTrackController=w,R.push(w)}if(L=i.subtitleTrackController){var C=new L(this);this.subtitleTrackController=C,R.push(C)}[i.subtitleStreamController,i.timelineController].forEach(function(t){t&&R.push(new t(e))}),this.coreComponents=R}return a(t,null,[{key:"isSupported",value:function(){var t=window.MediaSource=window.MediaSource||window.WebKitMediaSource,e=window.SourceBuffer=window.SourceBuffer||window.WebKitSourceBuffer,i=t&&"function"==typeof t.isTypeSupported&&t.isTypeSupported('video/mp4; codecs="avc1.42E01E,mp4a.40.2"'),r=!e||e.prototype&&"function"==typeof e.prototype.appendBuffer&&"function"==typeof e.prototype.remove;return i&&r}},{key:"version",get:function(){return"0.7.9"}},{key:"Events",get:function(){return u.default}},{key:"ErrorTypes",get:function(){return d.ErrorTypes}},{key:"ErrorDetails",get:function(){return d.ErrorDetails}},{key:"DefaultConfig",get:function(){return t.defaultConfig?t.defaultConfig:L.hlsDefaultConfig},set:function(e){t.defaultConfig=e}}]),a(t,[{key:"destroy",value:function(){k.logger.log("destroy"),this.trigger(u.default.DESTROYING),this.detachMedia(),this.coreComponents.concat(this.networkControllers).forEach(function(t){t.destroy()}),this.url=null,this.observer.removeAllListeners(),this._autoLevelCapping=-1}},{key:"attachMedia",value:function(t){k.logger.log("attachMedia"),this.media=t,this.trigger(u.default.MEDIA_ATTACHING,{media:t})}},{key:"detachMedia",value:function(){k.logger.log("detachMedia"),this.trigger(u.default.MEDIA_DETACHING),this.media=null}},{key:"loadSource",value:function(t){t=s.default.buildAbsoluteURL(window.location.href,t,{alwaysNormalize:!0}),k.logger.log("loadSource:"+t),this.url=t,this.trigger(u.default.MANIFEST_LOADING,{url:t})}},{key:"startLoad",value:function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:-1;k.logger.log("startLoad("+t+")"),this.networkControllers.forEach(function(e){e.startLoad(t)})}},{key:"stopLoad",value:function(){k.logger.log("stopLoad"),this.networkControllers.forEach(function(t){t.stopLoad()})}},{key:"swapAudioCodec",value:function(){k.logger.log("swapAudioCodec"),this.streamController.swapAudioCodec()}},{key:"recoverMediaError",value:function(){k.logger.log("recoverMediaError");var t=this.media;this.detachMedia(),this.attachMedia(t)}},{key:"levels",get:function(){return this.levelController.levels}},{key:"currentLevel",get:function(){return this.streamController.currentLevel},set:function(t){k.logger.log("set currentLevel:"+t),this.loadLevel=t,this.streamController.immediateLevelSwitch()}},{key:"nextLevel",get:function(){return this.streamController.nextLevel},set:function(t){k.logger.log("set nextLevel:"+t),this.levelController.manualLevel=t,this.streamController.nextLevelSwitch()}},{key:"loadLevel",get:function(){return this.levelController.level},set:function(t){k.logger.log("set loadLevel:"+t),this.levelController.manualLevel=t}},{key:"nextLoadLevel",get:function(){return this.levelController.nextLoadLevel},set:function(t){this.levelController.nextLoadLevel=t}},{key:"firstLevel",get:function(){return Math.max(this.levelController.firstLevel,this.minAutoLevel)},set:function(t){k.logger.log("set firstLevel:"+t),this.levelController.firstLevel=t}},{key:"startLevel",get:function(){return this.levelController.startLevel},set:function(t){k.logger.log("set startLevel:"+t);var e=this;-1!==t&&(t=Math.max(t,e.minAutoLevel)),e.levelController.startLevel=t}},{key:"autoLevelCapping",get:function(){return this._autoLevelCapping},set:function(t){k.logger.log("set autoLevelCapping:"+t),this._autoLevelCapping=t}},{key:"autoLevelEnabled",get:function(){return-1===this.levelController.manualLevel}},{key:"manualLevel",get:function(){return this.levelController.manualLevel}},{key:"minAutoLevel",get:function(){for(var t=this,e=t.levels,i=t.config.minAutoBitrate,r=e?e.length:0,n=0;n<r;n++){if((e[n].realBitrate?Math.max(e[n].realBitrate,e[n].bitrate):e[n].bitrate)>i)return n}return 0}},{key:"maxAutoLevel",get:function(){var t=this,e=t.levels,i=t.autoLevelCapping;return-1===i&&e&&e.length?e.length-1:i}},{key:"nextAutoLevel",get:function(){var t=this;return Math.min(Math.max(t.abrController.nextAutoLevel,t.minAutoLevel),t.maxAutoLevel)},set:function(t){var e=this;e.abrController.nextAutoLevel=Math.max(e.minAutoLevel,t)}},{key:"audioTracks",get:function(){var t=this.audioTrackController;return t?t.audioTracks:[]}},{key:"audioTrack",get:function(){var t=this.audioTrackController;return t?t.audioTrack:-1},set:function(t){var e=this.audioTrackController;e&&(e.audioTrack=t)}},{key:"liveSyncPosition",get:function(){return this.streamController.liveSyncPosition}},{key:"subtitleTracks",get:function(){var t=this.subtitleTrackController;return t?t.subtitleTracks:[]}},{key:"subtitleTrack",get:function(){var t=this.subtitleTrackController;return t?t.subtitleTrack:-1},set:function(t){var e=this.subtitleTrackController;e&&(e.subtitleTrack=t)}}]),t}();i.default=R},{1:1,11:11,12:12,13:13,2:2,33:33,35:35,4:4,41:41,42:42,43:43,53:53}],40:[function(t,e,i){"use strict";e.exports=t(39).default},{39:39}],41:[function(t,e,i){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}function n(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function a(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}function o(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}Object.defineProperty(i,"__esModule",{value:!0});var s=function(){function t(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(e,i,r){return i&&t(e.prototype,i),r&&t(e,r),e}}(),l=t(35),u=r(l),d=t(34),c=r(d),f=t(33),h=t(53),p=function(t){function e(t){n(this,e);var i=a(this,(e.__proto__||Object.getPrototypeOf(e)).call(this,t,u.default.FRAG_LOADING));return i.loaders={},i}return o(e,t),s(e,[{key:"destroy",value:function(){var t=this.loaders;for(var e in t){var i=t[e];i&&i.destroy()}this.loaders={},c.default.prototype.destroy.call(this)}},{key:"onFragLoading",value:function(t){var e=t.frag,i=e.type,r=this.loaders[i],n=this.hls.config;e.loaded=0,r&&(h.logger.warn("abort previous fragment loader for type:"+i),r.abort()),r=this.loaders[i]=e.loader=void 0!==n.fLoader?new n.fLoader(n):new n.loader(n);var a=void 0,o=void 0,s=void 0;a={url:e.url,frag:e,responseType:"arraybuffer",progressData:!1};var l=e.byteRangeStartOffset,u=e.byteRangeEndOffset;isNaN(l)||isNaN(u)||(a.rangeStart=l,a.rangeEnd=u),o={timeout:n.fragLoadingTimeOut,maxRetry:0,retryDelay:0,maxRetryDelay:n.fragLoadingMaxRetryTimeout},s={onSuccess:this.loadsuccess.bind(this),onError:this.loaderror.bind(this),onTimeout:this.loadtimeout.bind(this),onProgress:this.loadprogress.bind(this)},r.load(a,o,s)}},{key:"loadsuccess",value:function(t,e,i){var r=t.data,n=i.frag;n.loader=void 0,this.loaders[n.type]=void 0,this.hls.trigger(u.default.FRAG_LOADED,{payload:r,frag:n,stats:e})}},{key:"loaderror",value:function(t,e){var i=e.loader;i&&i.abort(),this.loaders[e.type]=void 0,this.hls.trigger(u.default.ERROR,{type:f.ErrorTypes.NETWORK_ERROR,details:f.ErrorDetails.FRAG_LOAD_ERROR,fatal:!1,frag:e.frag,response:t})}},{key:"loadtimeout",value:function(t,e){var i=e.loader;i&&i.abort(),this.loaders[e.type]=void 0,this.hls.trigger(u.default.ERROR,{type:f.ErrorTypes.NETWORK_ERROR,details:f.ErrorDetails.FRAG_LOAD_TIMEOUT,fatal:!1,frag:e.frag})}},{key:"loadprogress",value:function(t,e,i){var r=e.frag;r.loaded=t.loaded,this.hls.trigger(u.default.FRAG_LOAD_PROGRESS,{frag:r,stats:t})}}]),e}(c.default);i.default=p},{33:33,34:34,35:35,53:53}],42:[function(t,e,i){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}function n(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function a(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}function o(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof 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e=t.frag,i=e.type,r=this.loaders[i],n=e.decryptdata,a=n.uri;if(a!==this.decrypturl||null===this.decryptkey){var o=this.hls.config;r&&(h.logger.warn("abort previous key loader for type:"+i),r.abort()),e.loader=this.loaders[i]=new o.loader(o),this.decrypturl=a,this.decryptkey=null;var s=void 0,l=void 0,d=void 0;s={url:a,frag:e,responseType:"arraybuffer"},l={timeout:o.fragLoadingTimeOut,maxRetry:o.fragLoadingMaxRetry,retryDelay:o.fragLoadingRetryDelay,maxRetryDelay:o.fragLoadingMaxRetryTimeout},d={onSuccess:this.loadsuccess.bind(this),onError:this.loaderror.bind(this),onTimeout:this.loadtimeout.bind(this)},e.loader.load(s,l,d)}else this.decryptkey&&(n.key=this.decryptkey,this.hls.trigger(u.default.KEY_LOADED,{frag:e}))}},{key:"loadsuccess",value:function(t,e,i){var r=i.frag;this.decryptkey=r.decryptdata.key=new Uint8Array(t.data),r.loader=void 0,this.loaders[r.type]=void 0,this.hls.trigger(u.default.KEY_LOADED,{frag:r})}},{key:"loaderror",value:function(t,e){var i=e.frag,r=i.loader;r&&r.abort(),this.loaders[e.type]=void 0,this.hls.trigger(u.default.ERROR,{type:f.ErrorTypes.NETWORK_ERROR,details:f.ErrorDetails.KEY_LOAD_ERROR,fatal:!1,frag:i,response:t})}},{key:"loadtimeout",value:function(t,e){var i=e.frag,r=i.loader;r&&r.abort(),this.loaders[e.type]=void 0,this.hls.trigger(u.default.ERROR,{type:f.ErrorTypes.NETWORK_ERROR,details:f.ErrorDetails.KEY_LOAD_TIMEOUT,fatal:!1,frag:i})}}]),e}(c.default);i.default=p},{33:33,34:34,35:35,53:53}],43:[function(t,e,i){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}function n(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}function a(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof 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T,i.method=t.method,i.baseuri=t.baseuri,i.reluri=t.reluri,i.iv=this.createInitializationVector(e)),i}},{key:"cloneObj",value:function(t){return JSON.parse(JSON.stringify(t))}},{key:"url",get:function(){return!this._url&&this.relurl&&(this._url=u.default.buildAbsoluteURL(this.baseurl,this.relurl,{alwaysNormalize:!0})),this._url},set:function(t){this._url=t}},{key:"programDateTime",get:function(){return!this._programDateTime&&this.rawProgramDateTime&&(this._programDateTime=new Date(Date.parse(this.rawProgramDateTime))),this._programDateTime}},{key:"byteRange",get:function(){if(!this._byteRange){var t=this._byteRange=[];if(this.rawByteRange){var e=this.rawByteRange.split("@",2);if(1===e.length){var i=this.lastByteRangeEndOffset;t[0]=i||0}else t[0]=parseInt(e[1]);t[1]=parseInt(e[0])+t[0]}}return this._byteRange}},{key:"byteRangeStartOffset",get:function(){return this.byteRange[0]}},{key:"byteRangeEndOffset",get:function(){return this.byteRange[1]}},{key:"decryptdata",get:function(){return this._decryptdata||(this._decryptdata=this.fragmentDecryptdataFromLevelkey(this.levelkey,this.sn)),this._decryptdata}}]),t}(),A=function(t){function e(t){o(this,e);var i=n(this,(e.__proto__||Object.getPrototypeOf(e)).call(this,t,c.default.MANIFEST_LOADING,c.default.LEVEL_LOADING,c.default.AUDIO_TRACK_LOADING,c.default.SUBTITLE_TRACK_LOADING));return i.loaders={},i}return a(e,t),s(e,[{key:"destroy",value:function(){for(var t in this.loaders){var e=this.loaders[t];e&&e.destroy()}this.loaders={},h.default.prototype.destroy.call(this)}},{key:"onManifestLoading",value:function(t){this.load(t.url,{type:"manifest"})}},{key:"onLevelLoading",value:function(t){this.load(t.url,{type:"level",level:t.level,id:t.id})}},{key:"onAudioTrackLoading",value:function(t){this.load(t.url,{type:"audioTrack",id:t.id})}},{key:"onSubtitleTrackLoading",value:function(t){this.load(t.url,{type:"subtitleTrack",id:t.id})}},{key:"load",value:function(t,e){var i=this.loaders[e.type];if(i){var r=i.context;if(r&&r.url===t)return void v.logger.trace("playlist request ongoing");v.logger.warn("abort previous loader for type:"+e.type),i.abort()}var n=this.hls.config,a=void 0,o=void 0,s=void 0,l=void 0;"manifest"===e.type?(a=n.manifestLoadingMaxRetry,o=n.manifestLoadingTimeOut,s=n.manifestLoadingRetryDelay,l=n.manifestLoadingMaxRetryTimeout):(a=n.levelLoadingMaxRetry,o=n.levelLoadingTimeOut,s=n.levelLoadingRetryDelay,l=n.levelLoadingMaxRetryTimeout,v.logger.log("loading playlist for "+e.type+" "+(e.level||e.id))),i=this.loaders[e.type]=e.loader=void 0!==n.pLoader?new n.pLoader(n):new n.loader(n),e.url=t,e.responseType="";var u=void 0,d=void 0;u={timeout:o,maxRetry:a,retryDelay:s,maxRetryDelay:l},d={onSuccess:this.loadsuccess.bind(this),onError:this.loaderror.bind(this),onTimeout:this.loadtimeout.bind(this)},i.load(e,u,d)}},{key:"resolve",value:function(t,e){return u.default.buildAbsoluteURL(e,t,{alwaysNormalize:!0})}},{key:"parseMasterPlaylist",value:function(t,e){var i=[],r=void 0;for(m.lastIndex=0;null!=(r=m.exec(t));){var n={},a=n.attrs=new y.default(r[1]);n.url=this.resolve(r[2],e);var o=a.decimalResolution("RESOLUTION");o&&(n.width=o.width,n.height=o.height),n.bitrate=a.decimalInteger("AVERAGE-BANDWIDTH")||a.decimalInteger("BANDWIDTH"),n.name=a.NAME;var s=a.CODECS;if(s){s=s.split(/[ ,]+/);for(var l=0;l<s.length;l++){var u=s[l];-1!==u.indexOf("avc1")?n.videoCodec=this.avc1toavcoti(u):n.audioCodec=u}}i.push(n)}return i}},{key:"parseMasterPlaylistMedia",value:function(t,e,i){var r=void 0,n=[],a=0;for(b.lastIndex=0;null!=(r=b.exec(t));){var o={},s=new y.default(r[1]);s.TYPE===i&&(o.groupId=s["GROUP-ID"],o.name=s.NAME,o.type=i,o.default="YES"===s.DEFAULT,o.autoselect="YES"===s.AUTOSELECT,o.forced="YES"===s.FORCED,s.URI&&(o.url=this.resolve(s.URI,e)),o.lang=s.LANGUAGE,o.name||(o.name=o.lang),o.id=a++,n.push(o))}return n}},{key:"avc1toavcoti",value:function(t){var e,i=t.split(".");return i.length>2?(e=i.shift()+".",e+=parseInt(i.shift()).toString(16),e+=("000"+parseInt(i.shift()).toString(16)).substr(-4)):e=t,e}},{key:"parseLevelPlaylist",value:function(t,e,i,r){var n,a,o=0,s=0,l={type:null,version:null,url:e,fragments:[],live:!0,startSN:0},u=new T,d=0,c=null,f=new k;for(_.lastIndex=0;null!==(n=_.exec(t));){var h=n[1];if(h){f.duration=parseFloat(h);var p=(" "+n[2]).slice(1);f.title=p||null,f.tagList.push(p?["INF",h,p]:["INF",h])}else if(n[3]){if(!isNaN(f.duration)){var g=o++;f.type=r,f.start=s,f.levelkey=u,f.sn=g,f.level=i,f.cc=d,f.baseurl=e,f.relurl=(" "+n[3]).slice(1),l.fragments.push(f),c=f,s+=f.duration,f=new k}}else if(n[4]){if(f.rawByteRange=(" "+n[4]).slice(1),c){var m=c.byteRangeEndOffset;m&&(f.lastByteRangeEndOffset=m)}}else if(n[5])f.rawProgramDateTime=(" "+n[5]).slice(1),f.tagList.push(["PROGRAM-DATE-TIME",f.rawProgramDateTime]);else{for(n=n[0].match(E),a=1;a<n.length&&void 0===n[a];a++);var b=(" "+n[a+1]).slice(1),A=(" "+n[a+2]).slice(1);switch(n[a]){case"#":f.tagList.push(A?[b,A]:[b]);break;case"PLAYLIST-TYPE":l.type=b.toUpperCase();break;case"MEDIA-SEQUENCE":o=l.startSN=parseInt(b);break;case"TARGETDURATION":l.targetduration=parseFloat(b);break;case"VERSION":l.version=parseInt(b);break;case"EXTM3U":break;case"ENDLIST":l.live=!1;break;case"DIS":d++,f.tagList.push(["DIS"]);break;case"DISCONTINUITY-SEQ":d=parseInt(b);break;case"KEY":var S=b,L=new y.default(S),R=L.enumeratedString("METHOD"),w=L.URI,C=L.hexadecimalInteger("IV");R&&(u=new T,w&&["AES-128","SAMPLE-AES"].indexOf(R)>=0&&(u.method=R,u.baseuri=e,u.reluri=w,u.key=null,u.iv=C));break;case"START":var O=b,D=new y.default(O),P=D.decimalFloatingPoint("TIME-OFFSET");isNaN(P)||(l.startTimeOffset=P);break;case"MAP":var I=new y.default(b);f.relurl=I.URI,f.rawByteRange=I.BYTERANGE,f.baseurl=e,f.level=i,f.type=r,f.sn="initSegment",l.initSegment=f,f=new k;break;default:v.logger.warn("line parsed but not handled: "+n)}}}return f=c,f&&!f.relurl&&(l.fragments.pop(),s-=f.duration),l.totalduration=s,l.averagetargetduration=s/l.fragments.length,l.endSN=o-1,l}},{key:"loadsuccess",value:function(t,e,i){var r=t.data,n=t.url,a=i.type,o=i.id,s=i.level,l=this.hls;if(this.loaders[a]=void 0,void 0!==n&&0!==n.indexOf("data:")||(n=i.url),e.tload=performance.now(),0===r.indexOf("#EXTM3U"))if(r.indexOf("#EXTINF:")>0){var u="audioTrack"!==a&&"subtitleTrack"!==a,d=isNaN(s)?isNaN(o)?0:o:s,f=this.parseLevelPlaylist(r,n,d,"audioTrack"===a?"audio":"subtitleTrack"===a?"subtitle":"main");f.tload=e.tload,"manifest"===a&&l.trigger(c.default.MANIFEST_LOADED,{levels:[{url:n,details:f}],audioTracks:[],url:n,stats:e}),e.tparsed=performance.now(),f.targetduration?u?l.trigger(c.default.LEVEL_LOADED,{details:f,level:s||0,id:o||0,stats:e}):"audioTrack"===a?l.trigger(c.default.AUDIO_TRACK_LOADED,{details:f,id:o,stats:e}):"subtitleTrack"===a&&l.trigger(c.default.SUBTITLE_TRACK_LOADED,{details:f,id:o,stats:e}):l.trigger(c.default.ERROR,{type:p.ErrorTypes.NETWORK_ERROR,details:p.ErrorDetails.MANIFEST_PARSING_ERROR,fatal:!0,url:n,reason:"invalid targetduration"})}else{var h=this.parseMasterPlaylist(r,n);if(h.length){var g=this.parseMasterPlaylistMedia(r,n,"AUDIO"),y=this.parseMasterPlaylistMedia(r,n,"SUBTITLES");if(g.length){var m=!1;g.forEach(function(t){t.url||(m=!0)}),!1===m&&h[0].audioCodec&&!h[0].attrs.AUDIO&&(v.logger.log("audio codec signaled in quality level, but no embedded audio track signaled, create one"),g.unshift({type:"main",name:"main"}))}l.trigger(c.default.MANIFEST_LOADED,{levels:h,audioTracks:g,subtitles:y,url:n,stats:e})}else l.trigger(c.default.ERROR,{type:p.ErrorTypes.NETWORK_ERROR,details:p.ErrorDetails.MANIFEST_PARSING_ERROR,fatal:!0,url:n,reason:"no level found in manifest"})}else l.trigger(c.default.ERROR,{type:p.ErrorTypes.NETWORK_ERROR,details:p.ErrorDetails.MANIFEST_PARSING_ERROR,fatal:!0,url:n,reason:"no EXTM3U delimiter"})}},{key:"loaderror",value:function(t,e){var i,r,n=e.loader;switch(e.type){case"manifest":i=p.ErrorDetails.MANIFEST_LOAD_ERROR,r=!0;break;case"level":i=p.ErrorDetails.LEVEL_LOAD_ERROR,r=!1;break;case"audioTrack":i=p.ErrorDetails.AUDIO_TRACK_LOAD_ERROR,r=!1}n&&(n.abort(),this.loaders[e.type]=void 0),this.hls.trigger(c.default.ERROR,{type:p.ErrorTypes.NETWORK_ERROR,details:i,fatal:r,url:n.url,loader:n,response:t,context:e})}},{key:"loadtimeout",value:function(t,e){var i,r,n=e.loader;switch(e.type){case"manifest":i=p.ErrorDetails.MANIFEST_LOAD_TIMEOUT,r=!0;break;case"level":i=p.ErrorDetails.LEVEL_LOAD_TIMEOUT,r=!1;break;case"audioTrack":i=p.ErrorDetails.AUDIO_TRACK_LOAD_TIMEOUT,r=!1}n&&(n.abort(),this.loaders[e.type]=void 0),this.hls.trigger(c.default.ERROR,{type:p.ErrorTypes.NETWORK_ERROR,details:i,fatal:r,url:n.url,loader:n,context:e})}}]),e}(h.default);i.default=A},{2:2,33:33,34:34,35:35,47:47,53:53}],44:[function(t,e,i){"use strict";function r(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(i,"__esModule",{value:!0});var n=function(){function t(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(e,i,r){return i&&t(e.prototype,i),r&&t(e,r),e}}(),a=Math.pow(2,32)-1,o=function(){function t(){r(this,t)}return n(t,null,[{key:"init",value:function(){t.types={avc1:[],avcC:[],btrt:[],dinf:[],dref:[],esds:[],ftyp:[],hdlr:[],mdat:[],mdhd:[],mdia:[],mfhd:[],minf:[],moof:[],moov:[],mp4a:[],".mp3":[],mvex:[],mvhd:[],pasp:[],sdtp:[],stbl:[],stco:[],stsc:[],stsd:[],stsz:[],stts:[],tfdt:[],tfhd:[],traf:[],trak:[],trun:[],trex:[],tkhd:[],vmhd:[],smhd:[]};var e;for(e in t.types)t.types.hasOwnProperty(e)&&(t.types[e]=[e.charCodeAt(0),e.charCodeAt(1),e.charCodeAt(2),e.charCodeAt(3)]);var i=new Uint8Array([0,0,0,0,0,0,0,0,118,105,100,101,0,0,0,0,0,0,0,0,0,0,0,0,86,105,100,101,111,72,97,110,100,108,101,114,0]),r=new Uint8Array([0,0,0,0,0,0,0,0,115,111,117,110,0,0,0,0,0,0,0,0,0,0,0,0,83,111,117,110,100,72,97,110,100,108,101,114,0]);t.HDLR_TYPES={video:i,audio:r};var n=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,12,117,114,108,32,0,0,0,1]),a=new Uint8Array([0,0,0,0,0,0,0,0]);t.STTS=t.STSC=t.STCO=a,t.STSZ=new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0]),t.VMHD=new Uint8Array([0,0,0,1,0,0,0,0,0,0,0,0]),t.SMHD=new Uint8Array([0,0,0,0,0,0,0,0]),t.STSD=new Uint8Array([0,0,0,0,0,0,0,1]);var o=new Uint8Array([105,115,111,109]),s=new Uint8Array([97,118,99,49]),l=new Uint8Array([0,0,0,1]);t.FTYP=t.box(t.types.ftyp,o,l,o,s),t.DINF=t.box(t.types.dinf,t.box(t.types.dref,n))}},{key:"box",value:function(t){for(var e,i=Array.prototype.slice.call(arguments,1),r=8,n=i.length,a=n;n--;)r+=i[n].byteLength;for(e=new Uint8Array(r),e[0]=r>>24&255,e[1]=r>>16&255,e[2]=r>>8&255,e[3]=255&r,e.set(t,4),n=0,r=8;n<a;n++)e.set(i[n],r),r+=i[n].byteLength;return e}},{key:"hdlr",value:function(e){return t.box(t.types.hdlr,t.HDLR_TYPES[e])}},{key:"mdat",value:function(e){return t.box(t.types.mdat,e)}},{key:"mdhd",value:function(e,i){i*=e;var r=Math.floor(i/(a+1)),n=Math.floor(i%(a+1));return t.box(t.types.mdhd,new Uint8Array([1,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,e>>24&255,e>>16&255,e>>8&255,255&e,r>>24,r>>16&255,r>>8&255,255&r,n>>24,n>>16&255,n>>8&255,255&n,85,196,0,0]))}},{key:"mdia",value:function(e){return t.box(t.types.mdia,t.mdhd(e.timescale,e.duration),t.hdlr(e.type),t.minf(e))}},{key:"mfhd",value:function(e){return t.box(t.types.mfhd,new Uint8Array([0,0,0,0,e>>24,e>>16&255,e>>8&255,255&e]))}},{key:"minf",value:function(e){return"audio"===e.type?t.box(t.types.minf,t.box(t.types.smhd,t.SMHD),t.DINF,t.stbl(e)):t.box(t.types.minf,t.box(t.types.vmhd,t.VMHD),t.DINF,t.stbl(e))}},{key:"moof",value:function(e,i,r){return t.box(t.types.moof,t.mfhd(e),t.traf(r,i))}},{key:"moov",value:function(e){for(var i=e.length,r=[];i--;)r[i]=t.trak(e[i]);return t.box.apply(null,[t.types.moov,t.mvhd(e[0].timescale,e[0].duration)].concat(r).concat(t.mvex(e)))}},{key:"mvex",value:function(e){for(var i=e.length,r=[];i--;)r[i]=t.trex(e[i]);return t.box.apply(null,[t.types.mvex].concat(r))}},{key:"mvhd",value:function(e,i){i*=e;var r=Math.floor(i/(a+1)),n=Math.floor(i%(a+1)),o=new Uint8Array([1,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,e>>24&255,e>>16&255,e>>8&255,255&e,r>>24,r>>16&255,r>>8&255,255&r,n>>24,n>>16&255,n>>8&255,255&n,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255,255,255,255]);return t.box(t.types.mvhd,o)}},{key:"sdtp",value:function(e){var i,r,n=e.samples||[],a=new Uint8Array(4+n.length);for(r=0;r<n.length;r++)i=n[r].flags,a[r+4]=i.dependsOn<<4|i.isDependedOn<<2|i.hasRedundancy;return t.box(t.types.sdtp,a)}},{key:"stbl",value:function(e){return t.box(t.types.stbl,t.stsd(e),t.box(t.types.stts,t.STTS),t.box(t.types.stsc,t.STSC),t.box(t.types.stsz,t.STSZ),t.box(t.types.stco,t.STCO))}},{key:"avc1",value:function(e){var i,r,n,a=[],o=[];for(i=0;i<e.sps.length;i++)r=e.sps[i],n=r.byteLength,a.push(n>>>8&255),a.push(255&n),a=a.concat(Array.prototype.slice.call(r));for(i=0;i<e.pps.length;i++)r=e.pps[i],n=r.byteLength,o.push(n>>>8&255),o.push(255&n),o=o.concat(Array.prototype.slice.call(r));var s=t.box(t.types.avcC,new Uint8Array([1,a[3],a[4],a[5],255,224|e.sps.length].concat(a).concat([e.pps.length]).concat(o))),l=e.width,u=e.height,d=e.pixelRatio[0],c=e.pixelRatio[1];return t.box(t.types.avc1,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,l>>8&255,255&l,u>>8&255,255&u,0,72,0,0,0,72,0,0,0,0,0,0,0,1,18,100,97,105,108,121,109,111,116,105,111,110,47,104,108,115,46,106,115,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,17,17]),s,t.box(t.types.btrt,new Uint8Array([0,28,156,128,0,45,198,192,0,45,198,192])),t.box(t.types.pasp,new Uint8Array([d>>24,d>>16&255,d>>8&255,255&d,c>>24,c>>16&255,c>>8&255,255&c])))}},{key:"esds",value:function(t){var e=t.config.length;return new Uint8Array([0,0,0,0,3,23+e,0,1,0,4,15+e,64,21,0,0,0,0,0,0,0,0,0,0,0,5].concat([e]).concat(t.config).concat([6,1,2]))}},{key:"mp4a",value:function(e){var i=e.samplerate;return t.box(t.types.mp4a,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,e.channelCount,0,16,0,0,0,0,i>>8&255,255&i,0,0]),t.box(t.types.esds,t.esds(e)))}},{key:"mp3",value:function(e){var i=e.samplerate;return t.box(t.types[".mp3"],new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,e.channelCount,0,16,0,0,0,0,i>>8&255,255&i,0,0]))}},{key:"stsd",value:function(e){return"audio"===e.type?e.isAAC||"mp3"!==e.codec?t.box(t.types.stsd,t.STSD,t.mp4a(e)):t.box(t.types.stsd,t.STSD,t.mp3(e)):t.box(t.types.stsd,t.STSD,t.avc1(e))}},{key:"tkhd",value:function(e){var i=e.id,r=e.duration*e.timescale,n=e.width,o=e.height,s=Math.floor(r/(a+1)),l=Math.floor(r%(a+1));return t.box(t.types.tkhd,new Uint8Array([1,0,0,7,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,i>>24&255,i>>16&255,i>>8&255,255&i,0,0,0,0,s>>24,s>>16&255,s>>8&255,255&s,l>>24,l>>16&255,l>>8&255,255&l,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,n>>8&255,255&n,0,0,o>>8&255,255&o,0,0]))}},{key:"traf",value:function(e,i){var r=t.sdtp(e),n=e.id,o=Math.floor(i/(a+1)),s=Math.floor(i%(a+1));return t.box(t.types.traf,t.box(t.types.tfhd,new Uint8Array([0,0,0,0,n>>24,n>>16&255,n>>8&255,255&n])),t.box(t.types.tfdt,new Uint8Array([1,0,0,0,o>>24,o>>16&255,o>>8&255,255&o,s>>24,s>>16&255,s>>8&255,255&s])),t.trun(e,r.length+16+20+8+16+8+8),r)}},{key:"trak",value:function(e){return e.duration=e.duration||4294967295,t.box(t.types.trak,t.tkhd(e),t.mdia(e))}},{key:"trex",value:function(e){var i=e.id;return t.box(t.types.trex,new Uint8Array([0,0,0,0,i>>24,i>>16&255,i>>8&255,255&i,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1]))}},{key:"trun",value:function(e,i){var r,n,a,o,s,l,u=e.samples||[],d=u.length,c=12+16*d,f=new Uint8Array(c);for(i+=8+c,f.set([0,0,15,1,d>>>24&255,d>>>16&255,d>>>8&255,255&d,i>>>24&255,i>>>16&255,i>>>8&255,255&i],0),r=0;r<d;r++)n=u[r],a=n.duration,o=n.size,s=n.flags,l=n.cts,f.set([a>>>24&255,a>>>16&255,a>>>8&255,255&a,o>>>24&255,o>>>16&255,o>>>8&255,255&o,s.isLeading<<2|s.dependsOn,s.isDependedOn<<6|s.hasRedundancy<<4|s.paddingValue<<1|s.isNonSync,61440&s.degradPrio,15&s.degradPrio,l>>>24&255,l>>>16&255,l>>>8&255,255&l],12+16*r);return t.box(t.types.trun,f)}},{key:"initSegment",value:function(e){t.types||t.init();var i,r=t.moov(e);return i=new Uint8Array(t.FTYP.byteLength+r.byteLength),i.set(t.FTYP),i.set(r,t.FTYP.byteLength),i}}]),t}();i.default=o},{}],45:[function(t,e,i){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}function n(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(i,"__esModule",{value:!0});var a=function(){function t(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(e,i,r){return i&&t(e.prototype,i),r&&t(e,r),e}}(),o=t(36),s=r(o),l=t(35),u=r(l),d=t(53),c=t(44),f=r(c),h=t(33),p=function(){function t(e,i,r,a){n(this,t),this.observer=e,this.config=i,this.typeSupported=r;var o=navigator.userAgent;this.isSafari=a&&a.indexOf("Apple")>-1&&o&&!o.match("CriOS"),this.ISGenerated=!1}return a(t,[{key:"destroy",value:function(){}},{key:"resetTimeStamp",value:function(t){this._initPTS=this._initDTS=t}},{key:"resetInitSegment",value:function(){this.ISGenerated=!1}},{key:"remux",value:function(t,e,i,r,n,a,o){if(this.ISGenerated||this.generateIS(t,e,n),this.ISGenerated)if(t.samples.length){t.timescale||(d.logger.warn("regenerate InitSegment as audio detected"),this.generateIS(t,e,n));var s=this.remuxAudio(t,n,a,o);if(e.samples.length){var l=void 0;s&&(l=s.endPTS-s.startPTS),e.timescale||(d.logger.warn("regenerate InitSegment as video detected"),this.generateIS(t,e,n)),this.remuxVideo(e,n,a,l,o)}}else{var c=void 0;e.samples.length&&(c=this.remuxVideo(e,n,a,o)),c&&t.codec&&this.remuxEmptyAudio(t,n,a,c)}i.samples.length&&this.remuxID3(i,n),r.samples.length&&this.remuxText(r,n),this.observer.trigger(u.default.FRAG_PARSED)}},{key:"generateIS",value:function(t,e,i){var r,n,a=this.observer,o=t.samples,s=e.samples,l=this.typeSupported,c="audio/mp4",p={},g={tracks:p},y=void 0===this._initPTS;if(y&&(r=n=1/0),t.config&&o.length&&(t.timescale=t.samplerate,d.logger.log("audio sampling rate : "+t.samplerate),t.isAAC||(l.mpeg?(c="audio/mpeg",t.codec=""):l.mp3&&(t.codec="mp3")),p.audio={container:c,codec:t.codec,initSegment:!t.isAAC&&l.mpeg?new Uint8Array:f.default.initSegment([t]),metadata:{channelCount:t.channelCount}},y&&(r=n=o[0].pts-t.inputTimeScale*i)),e.sps&&e.pps&&s.length){var v=e.inputTimeScale;e.timescale=v,p.video={container:"video/mp4",codec:e.codec,initSegment:f.default.initSegment([e]),metadata:{width:e.width,height:e.height}},y&&(r=Math.min(r,s[0].pts-v*i),n=Math.min(n,s[0].dts-v*i),this.observer.trigger(u.default.INIT_PTS_FOUND,{initPTS:r}))}Object.keys(p).length?(a.trigger(u.default.FRAG_PARSING_INIT_SEGMENT,g),this.ISGenerated=!0,y&&(this._initPTS=r,this._initDTS=n)):a.trigger(u.default.ERROR,{type:h.ErrorTypes.MEDIA_ERROR,details:h.ErrorDetails.FRAG_PARSING_ERROR,fatal:!1,reason:"no audio/video samples found"})}},{key:"remuxVideo",value:function(t,e,i,r,n){var a,o,s,l,c,p,g,y=8,v=t.timescale,m=t.samples,b=[],_=m.length,E=this._PTSNormalize,T=this._initDTS,k=this.nextAvcDts,A=this.isSafari;A&&(i|=m.length&&k&&(n&&Math.abs(e-k/v)<.1||Math.abs(m[0].pts-k-T)<v/5)),i||(k=e*v),m.forEach(function(t){t.pts=E(t.pts-T,k),t.dts=E(t.dts-T,k)}),m.sort(function(t,e){var i=t.dts-e.dts,r=t.pts-e.pts;return i||(r||t.id-e.id)});var S=m.reduce(function(t,e){return Math.max(Math.min(t,e.pts-e.dts),-18e3)},0);if(S<0){d.logger.warn("PTS < DTS detected in video samples, shifting DTS by "+Math.round(S/90)+" ms to overcome this issue");for(var L=0;L<m.length;L++)m[L].dts+=S}var R=m[0];c=Math.max(R.dts,0),l=Math.max(R.pts,0);var w=Math.round((c-k)/90);i&&w&&(w>1?d.logger.log("AVC:"+w+" ms hole between fragments detected,filling it"):w<-1&&d.logger.log("AVC:"+-w+" ms overlapping between fragments detected"),c=k,m[0].dts=c,l=Math.max(l-w,k),m[0].pts=l,d.logger.log("Video/PTS/DTS adjusted: "+Math.round(l/90)+"/"+Math.round(c/90)+",delta:"+w+" ms")),R=m[m.length-1],g=Math.max(R.dts,0),p=Math.max(R.pts,0,g),A&&(a=Math.round((g-c)/(m.length-1)));for(var C=0,O=0,D=0;D<_;D++){for(var P=m[D],I=P.units,x=I.length,N=0,M=0;M<x;M++)N+=I[M].data.length;O+=N,C+=x,P.length=N,P.dts=A?c+D*a:Math.max(P.dts,c),P.pts=Math.max(P.pts,P.dts)}var F=O+4*C+8;try{o=new Uint8Array(F)}catch(t){return void this.observer.trigger(u.default.ERROR,{type:h.ErrorTypes.MUX_ERROR,details:h.ErrorDetails.REMUX_ALLOC_ERROR,fatal:!1,bytes:F,reason:"fail allocating video mdat "+F})}var B=new DataView(o.buffer);B.setUint32(0,F),o.set(f.default.types.mdat,4);for(var U=0;U<_;U++){for(var G=m[U],j=G.units,V=0,K=void 0,Y=0,H=j.length;Y<H;Y++){var $=j[Y],z=$.data,W=$.data.byteLength;B.setUint32(y,W),y+=4,o.set(z,y),y+=W,V+=4+W}if(A)K=Math.max(0,a*Math.round((G.pts-G.dts)/a));else{if(U<_-1)a=m[U+1].dts-G.dts;else{var q=this.config,X=G.dts-m[U>0?U-1:U].dts;if(q.stretchShortVideoTrack){var Z=q.maxBufferHole,J=q.maxSeekHole,Q=Math.floor(Math.min(Z,J)*v),tt=(r?l+r*v:this.nextAudioPts)-G.pts;tt>Q?(a=tt-X,a<0&&(a=X),d.logger.log("It is approximately "+tt/90+" ms to the next segment; using duration "+a/90+" ms for the last video frame.")):a=X}else a=X}K=Math.round(G.pts-G.dts)}b.push({size:V,duration:a,cts:K,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:G.key?2:1,isNonSync:G.key?0:1}})}this.nextAvcDts=g+a;var et=t.dropped;if(t.len=0,t.nbNalu=0,t.dropped=0,b.length&&navigator.userAgent.toLowerCase().indexOf("chrome")>-1){var it=b[0].flags;it.dependsOn=2,it.isNonSync=0}t.samples=b,s=f.default.moof(t.sequenceNumber++,c,t),t.samples=[];var rt={data1:s,data2:o,startPTS:l/v,endPTS:(p+a)/v,startDTS:c/v,endDTS:this.nextAvcDts/v,type:"video",nb:b.length,dropped:et};return this.observer.trigger(u.default.FRAG_PARSING_DATA,rt),rt}},{key:"remuxAudio",value:function(t,e,i,r){var n,a,o,l,c,p,g,y=t.inputTimeScale,v=t.timescale,m=y/v,b=t.isAAC?1024:1152,_=b*m,E=this._PTSNormalize,T=this._initDTS,k=!t.isAAC&&this.typeSupported.mpeg,A=t.samples,S=[],L=this.nextAudioPts;if(i|=A.length&&L&&(r&&Math.abs(e-L/y)<.1||Math.abs(A[0].pts-L-T)<20*_),i||(L=e*y),A.forEach(function(t){t.pts=t.dts=E(t.pts-T,L)}),A.sort(function(t,e){return t.pts-e.pts}),r&&t.isAAC)for(var R=0,w=L;R<A.length;){var C,O=A[R],D=O.pts;C=D-w;var P=Math.abs(1e3*C/y);if(C<=-_)d.logger.warn("Dropping 1 audio frame @ "+(w/y).toFixed(3)+"s due to "+P+" ms overlap."),A.splice(R,1),t.len-=O.unit.length;else if(C>=_&&P<1e4&&w){var I=Math.round(C/_);d.logger.warn("Injecting "+I+" audio frame @ "+(w/y).toFixed(3)+"s due to "+Math.round(1e3*C/y)+" ms gap.");for(var x=0;x<I;x++){var N=Math.max(w,0);o=s.default.getSilentFrame(t.manifestCodec||t.codec,t.channelCount),o||(d.logger.log("Unable to get silent frame for given audio codec; duplicating last frame instead."),o=O.unit.subarray()),A.splice(R,0,{unit:o,pts:N,dts:N}),t.len+=o.length,w+=_,R++}O.pts=O.dts=w,w+=_,R++}else Math.abs(C),O.pts=O.dts=w,w+=_,R++}for(var M=0,F=A.length;M<F;M++){var B=A[M],U=B.unit,G=B.pts;if(void 0!==g)a.duration=Math.round((G-g)/m);else{var j=Math.round(1e3*(G-L)/y),V=0;if(i&&t.isAAC&&j){if(j>0&&j<1e4)V=Math.round((G-L)/_),d.logger.log(j+" ms hole between AAC samples detected,filling it"),V>0&&(o=s.default.getSilentFrame(t.manifestCodec||t.codec,t.channelCount),o||(o=U.subarray()),t.len+=V*o.length);else if(j<-12){d.logger.log("drop overlapping AAC sample, expected/parsed/delta:"+(L/y).toFixed(3)+"s/"+(G/y).toFixed(3)+"s/"+-j+"ms"),t.len-=U.byteLength;continue}G=L}if(p=Math.max(0,G),!(t.len>0))return;var K=k?t.len:t.len+8;n=k?0:8;try{l=new Uint8Array(K)}catch(t){return void this.observer.trigger(u.default.ERROR,{type:h.ErrorTypes.MUX_ERROR,details:h.ErrorDetails.REMUX_ALLOC_ERROR,fatal:!1,bytes:K,reason:"fail allocating audio mdat "+K})}if(!k){new DataView(l.buffer).setUint32(0,K),l.set(f.default.types.mdat,4)}for(var Y=0;Y<V;Y++)o=s.default.getSilentFrame(t.manifestCodec||t.codec,t.channelCount),o||(d.logger.log("Unable to get silent frame for given audio codec; duplicating this frame instead."),o=U.subarray()),l.set(o,n),n+=o.byteLength,a={size:o.byteLength,cts:0,duration:1024,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:1}},S.push(a)}l.set(U,n);var H=U.byteLength;n+=H,a={size:H,cts:0,duration:0,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:1}},S.push(a),g=G}var $=0,z=S.length;if(z>=2&&($=S[z-2].duration,a.duration=$),z){this.nextAudioPts=L=g+m*$,t.len=0,t.samples=S,c=k?new Uint8Array:f.default.moof(t.sequenceNumber++,p/m,t),t.samples=[];var W=p/y,q=L/y,X={data1:c,data2:l,startPTS:W,endPTS:q,startDTS:W,endDTS:q,type:"audio",nb:z};return this.observer.trigger(u.default.FRAG_PARSING_DATA,X),X}return null}},{key:"remuxEmptyAudio",value:function(t,e,i,r){var n=t.inputTimeScale,a=t.samplerate?t.samplerate:n,o=n/a,l=this.nextAudioPts,u=(void 0!==l?l:r.startDTS*n)+this._initDTS,c=r.endDTS*n+this._initDTS,f=1024*o,h=Math.ceil((c-u)/f),p=s.default.getSilentFrame(t.manifestCodec||t.codec,t.channelCount);if(d.logger.warn("remux empty Audio"),!p)return void d.logger.trace("Unable to remuxEmptyAudio since we were unable to get a silent frame for given audio codec!");for(var g=[],y=0;y<h;y++){var v=u+y*f;g.push({unit:p,pts:v,dts:v}),t.len+=p.length}t.samples=g,this.remuxAudio(t,e,i)}},{key:"remuxID3",value:function(t,e){var i,r=t.samples.length,n=t.inputTimeScale,a=this._initPTS,o=this._initDTS;if(r){for(var s=0;s<r;s++)i=t.samples[s],i.pts=(i.pts-a)/n,i.dts=(i.dts-o)/n;this.observer.trigger(u.default.FRAG_PARSING_METADATA,{samples:t.samples})}t.samples=[],e=e}},{key:"remuxText",value:function(t,e){t.samples.sort(function(t,e){return t.pts-e.pts});var i,r=t.samples.length,n=t.inputTimeScale,a=this._initPTS;if(r){for(var o=0;o<r;o++)i=t.samples[o],i.pts=(i.pts-a)/n;this.observer.trigger(u.default.FRAG_PARSING_USERDATA,{samples:t.samples})}t.samples=[],e=e}},{key:"_PTSNormalize",value:function(t,e){var i;if(void 0===e)return t;for(i=e<t?-8589934592:8589934592;Math.abs(t-e)>4294967296;)t+=i;return t}}]),t}();i.default=p},{33:33,35:35,36:36,44:44,53:53}],46:[function(t,e,i){"use strict";function r(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(i,"__esModule",{value:!0});var n=function(){function t(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(e,i,r){return i&&t(e.prototype,i),r&&t(e,r),e}}(),a=t(35),o=function(t){return t&&t.__esModule?t:{default:t}}(a),s=function(){function t(e){r(this,t),this.observer=e}return 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",this.penState.reset()}},{key:"setChar",value:function(t,e){this.uchar=t,this.penState.copy(e)}},{key:"setPenState",value:function(t){this.penState.copy(t)}},{key:"equals",value:function(t){return this.uchar===t.uchar&&this.penState.equals(t.penState)}},{key:"copy",value:function(t){this.uchar=t.uchar,this.penState.copy(t.penState)}},{key:"isEmpty",value:function(){return" "===this.uchar&&this.penState.isDefault()}}]),t}(),m=function(){function t(){r(this,t),this.chars=[];for(var e=0;e<l;e++)this.chars.push(new v);this.pos=0,this.currPenState=new y}return n(t,[{key:"equals",value:function(t){for(var e=!0,i=0;i<l;i++)if(!this.chars[i].equals(t.chars[i])){e=!1;break}return e}},{key:"copy",value:function(t){for(var e=0;e<l;e++)this.chars[e].copy(t.chars[e])}},{key:"isEmpty",value:function(){for(var t=!0,e=0;e<l;e++)if(!this.chars[e].isEmpty()){t=!1;break}return t}},{key:"setCursor",value:function(t){this.pos!==t&&(this.pos=t),this.pos<0?(p.log("ERROR","Negative cursor position "+this.pos),this.pos=0):this.pos>l&&(p.log("ERROR","Too large cursor position "+this.pos),this.pos=l)}},{key:"moveCursor",value:function(t){var e=this.pos+t;if(t>1)for(var i=this.pos+1;i<e+1;i++)this.chars[i].setPenState(this.currPenState);this.setCursor(e)}},{key:"backSpace",value:function(){this.moveCursor(-1),this.chars[this.pos].setChar(" ",this.currPenState)}},{key:"insertChar",value:function(t){t>=144&&this.backSpace();var e=o(t);if(this.pos>=l)return void p.log("ERROR","Cannot insert "+t.toString(16)+" ("+e+") at position "+this.pos+". Skipping it!");this.chars[this.pos].setChar(e,this.currPenState),this.moveCursor(1)}},{key:"clearFromPos",value:function(t){var e;for(e=t;e<l;e++)this.chars[e].reset()}},{key:"clear",value:function(){this.clearFromPos(0),this.pos=0,this.currPenState.reset()}},{key:"clearToEndOfRow",value:function(){this.clearFromPos(this.pos)}},{key:"getTextString",value:function(){for(var t=[],e=!0,i=0;i<l;i++){var r=this.chars[i].uchar;" "!==r&&(e=!1),t.push(r)}return e?"":t.join("")}},{key:"setPenStyles",value:function(t){this.currPenState.setStyles(t),this.chars[this.pos].setPenState(this.currPenState)}}]),t}(),b=function(){function t(){r(this,t),this.rows=[];for(var e=0;e<s;e++)this.rows.push(new m);this.currRow=s-1,this.nrRollUpRows=null,this.reset()}return n(t,[{key:"reset",value:function(){for(var t=0;t<s;t++)this.rows[t].clear();this.currRow=s-1}},{key:"equals",value:function(t){for(var e=!0,i=0;i<s;i++)if(!this.rows[i].equals(t.rows[i])){e=!1;break}return e}},{key:"copy",value:function(t){for(var e=0;e<s;e++)this.rows[e].copy(t.rows[e])}},{key:"isEmpty",value:function(){for(var t=!0,e=0;e<s;e++)if(!this.rows[e].isEmpty()){t=!1;break}return t}},{key:"backSpace",value:function(){this.rows[this.currRow].backSpace()}},{key:"clearToEndOfRow",value:function(){this.rows[this.currRow].clearToEndOfRow()}},{key:"insertChar",value:function(t){this.rows[this.currRow].insertChar(t)}},{key:"setPen",value:function(t){this.rows[this.currRow].setPenStyles(t)}},{key:"moveCursor",value:function(t){this.rows[this.currRow].moveCursor(t)}},{key:"setCursor",value:function(t){p.log("INFO","setCursor: "+t),this.rows[this.currRow].setCursor(t)}},{key:"setPAC",value:function(t){p.log("INFO","pacData = "+JSON.stringify(t));var e=t.row-1;if(this.nrRollUpRows&&e<this.nrRollUpRows-1&&(e=this.nrRollUpRows-1),this.nrRollUpRows&&this.currRow!==e){for(var i=0;i<s;i++)this.rows[i].clear();var r=this.currRow+1-this.nrRollUpRows,n=this.lastOutputScreen;if(n){var a=n.rows[r].cueStartTime;if(a&&a<p.time)for(var o=0;o<this.nrRollUpRows;o++)this.rows[e-this.nrRollUpRows+o+1].copy(n.rows[r+o])}}this.currRow=e;var l=this.rows[this.currRow];if(null!==t.indent){var u=t.indent,d=Math.max(u-1,0);l.setCursor(t.indent),t.color=l.chars[d].penState.foreground}var c={foreground:t.color,underline:t.underline,italics:t.italics,background:"black",flash:!1};this.setPen(c)}},{key:"setBkgData",value:function(t){p.log("INFO","bkgData = "+JSON.stringify(t)),this.backSpace(),this.setPen(t),this.insertChar(32)}},{key:"setRollUpRows",value:function(t){this.nrRollUpRows=t}},{key:"rollUp",value:function(){if(null===this.nrRollUpRows)return void p.log("DEBUG","roll_up but nrRollUpRows not set yet");p.log("TEXT",this.getDisplayText());var t=this.currRow+1-this.nrRollUpRows,e=this.rows.splice(t,1)[0];e.clear(),this.rows.splice(this.currRow,0,e),p.log("INFO","Rolling up")}},{key:"getDisplayText",value:function(t){t=t||!1;for(var e=[],i="",r=-1,n=0;n<s;n++){var a=this.rows[n].getTextString();a&&(r=n+1,t?e.push("Row "+r+": '"+a+"'"):e.push(a.trim()))}return e.length>0&&(i=t?"["+e.join(" | ")+"]":e.join("\n")),i}},{key:"getTextAndFormat",value:function(){return this.rows}}]),t}(),_=function(){function t(e,i){r(this,t),this.chNr=e,this.outputFilter=i,this.mode=null,this.verbose=0,this.displayedMemory=new b,this.nonDisplayedMemory=new b,this.lastOutputScreen=new b,this.currRollUpRow=this.displayedMemory.rows[s-1],this.writeScreen=this.displayedMemory,this.mode=null,this.cueStartTime=null}return n(t,[{key:"reset",value:function(){this.mode=null,this.displayedMemory.reset(),this.nonDisplayedMemory.reset(),this.lastOutputScreen.reset(),this.currRollUpRow=this.displayedMemory.rows[s-1],this.writeScreen=this.displayedMemory,this.mode=null,this.cueStartTime=null,this.lastCueEndTime=null}},{key:"getHandler",value:function(){return this.outputFilter}},{key:"setHandler",value:function(t){this.outputFilter=t}},{key:"setPAC",value:function(t){this.writeScreen.setPAC(t)}},{key:"setBkgData",value:function(t){this.writeScreen.setBkgData(t)}},{key:"setMode",value:function(t){t!==this.mode&&(this.mode=t,p.log("INFO","MODE="+t),"MODE_POP-ON"===this.mode?this.writeScreen=this.nonDisplayedMemory:(this.writeScreen=this.displayedMemory,this.writeScreen.reset()),"MODE_ROLL-UP"!==this.mode&&(this.displayedMemory.nrRollUpRows=null,this.nonDisplayedMemory.nrRollUpRows=null),this.mode=t)}},{key:"insertChars",value:function(t){for(var e=0;e<t.length;e++)this.writeScreen.insertChar(t[e]);var i=this.writeScreen===this.displayedMemory?"DISP":"NON_DISP";p.log("INFO",i+": "+this.writeScreen.getDisplayText(!0)),"MODE_PAINT-ON"!==this.mode&&"MODE_ROLL-UP"!==this.mode||(p.log("TEXT","DISPLAYED: "+this.displayedMemory.getDisplayText(!0)),this.outputDataUpdate())}},{key:"ccRCL",value:function(){p.log("INFO","RCL - Resume Caption Loading"),this.setMode("MODE_POP-ON")}},{key:"ccBS",value:function(){p.log("INFO","BS - BackSpace"),"MODE_TEXT"!==this.mode&&(this.writeScreen.backSpace(),this.writeScreen===this.displayedMemory&&this.outputDataUpdate())}},{key:"ccAOF",value:function(){}},{key:"ccAON",value:function(){}},{key:"ccDER",value:function(){p.log("INFO","DER- Delete to End of Row"),this.writeScreen.clearToEndOfRow(),this.outputDataUpdate()}},{key:"ccRU",value:function(t){p.log("INFO","RU("+t+") - Roll Up"),this.writeScreen=this.displayedMemory,this.setMode("MODE_ROLL-UP"),this.writeScreen.setRollUpRows(t)}},{key:"ccFON",value:function(){p.log("INFO","FON - Flash On"),this.writeScreen.setPen({flash:!0})}},{key:"ccRDC",value:function(){p.log("INFO","RDC - Resume Direct Captioning"),this.setMode("MODE_PAINT-ON")}},{key:"ccTR",value:function(){p.log("INFO","TR"),this.setMode("MODE_TEXT")}},{key:"ccRTD",value:function(){p.log("INFO","RTD"),this.setMode("MODE_TEXT")}},{key:"ccEDM",value:function(){p.log("INFO","EDM - Erase Displayed Memory"),this.displayedMemory.reset(),this.outputDataUpdate()}},{key:"ccCR",value:function(){p.log("CR - Carriage Return"),this.writeScreen.rollUp(),this.outputDataUpdate()}},{key:"ccENM",value:function(){p.log("INFO","ENM - Erase Non-displayed Memory"),this.nonDisplayedMemory.reset()}},{key:"ccEOC",value:function(){if(p.log("INFO","EOC - End Of Caption"),"MODE_POP-ON"===this.mode){var t=this.displayedMemory;this.displayedMemory=this.nonDisplayedMemory,this.nonDisplayedMemory=t,this.writeScreen=this.nonDisplayedMemory,p.log("TEXT","DISP: "+this.displayedMemory.getDisplayText())}this.outputDataUpdate()}},{key:"ccTO",value:function(t){p.log("INFO","TO("+t+") - Tab Offset"),this.writeScreen.moveCursor(t)}},{key:"ccMIDROW",value:function(t){var e={flash:!1};if(e.underline=t%2==1,e.italics=t>=46,e.italics)e.foreground="white";else{var i=Math.floor(t/2)-16,r=["white","green","blue","cyan","red","yellow","magenta"];e.foreground=r[i]}p.log("INFO","MIDROW: "+JSON.stringify(e)),this.writeScreen.setPen(e)}},{key:"outputDataUpdate",value:function(){var t=p.time;null!==t&&this.outputFilter&&(this.outputFilter.updateData&&this.outputFilter.updateData(t,this.displayedMemory),null!==this.cueStartTime||this.displayedMemory.isEmpty()?this.displayedMemory.equals(this.lastOutputScreen)||(this.outputFilter.newCue&&this.outputFilter.newCue(this.cueStartTime,t,this.lastOutputScreen),this.cueStartTime=this.displayedMemory.isEmpty()?null:t):this.cueStartTime=t,this.lastOutputScreen.copy(this.displayedMemory))}},{key:"cueSplitAtTime",value:function(t){this.outputFilter&&(this.displayedMemory.isEmpty()||(this.outputFilter.newCue&&this.outputFilter.newCue(this.cueStartTime,t,this.displayedMemory),this.cueStartTime=t))}}]),t}(),E=function(){function t(e,i,n){r(this,t),this.field=e||1,this.outputs=[i,n],this.channels=[new _(1,i),new _(2,n)],this.currChNr=-1,this.lastCmdA=null,this.lastCmdB=null,this.bufferedData=[],this.startTime=null,this.lastTime=null,this.dataCounters={padding:0,char:0,cmd:0,other:0}}return n(t,[{key:"getHandler",value:function(t){return this.channels[t].getHandler()}},{key:"setHandler",value:function(t,e){this.channels[t].setHandler(e)}},{key:"addData",value:function(t,e){var i,r,n,a=!1;this.lastTime=t,p.setTime(t);for(var o=0;o<e.length;o+=2)if(r=127&e[o],n=127&e[o+1],0!==r||0!==n){if(p.log("DATA","["+g([e[o],e[o+1]])+"] -> ("+g([r,n])+")"),i=this.parseCmd(r,n),i||(i=this.parseMidrow(r,n)),i||(i=this.parsePAC(r,n)),i||(i=this.parseBackgroundAttributes(r,n)),!i&&(a=this.parseChars(r,n)))if(this.currChNr&&this.currChNr>=0){var s=this.channels[this.currChNr-1];s.insertChars(a)}else p.log("WARNING","No channel found yet. TEXT-MODE?");i?this.dataCounters.cmd+=2:a?this.dataCounters.char+=2:(this.dataCounters.other+=2,p.log("WARNING","Couldn't parse cleaned data "+g([r,n])+" orig: "+g([e[o],e[o+1]])))}else this.dataCounters.padding+=2}},{key:"parseCmd",value:function(t,e){var i=null,r=(20===t||28===t)&&32<=e&&e<=47,n=(23===t||31===t)&&33<=e&&e<=35;if(!r&&!n)return!1;if(t===this.lastCmdA&&e===this.lastCmdB)return this.lastCmdA=null,this.lastCmdB=null,p.log("DEBUG","Repeated command ("+g([t,e])+") is dropped"),!0;i=20===t||23===t?1:2;var a=this.channels[i-1];return 20===t||28===t?32===e?a.ccRCL():33===e?a.ccBS():34===e?a.ccAOF():35===e?a.ccAON():36===e?a.ccDER():37===e?a.ccRU(2):38===e?a.ccRU(3):39===e?a.ccRU(4):40===e?a.ccFON():41===e?a.ccRDC():42===e?a.ccTR():43===e?a.ccRTD():44===e?a.ccEDM():45===e?a.ccCR():46===e?a.ccENM():47===e&&a.ccEOC():a.ccTO(e-32),this.lastCmdA=t,this.lastCmdB=e,this.currChNr=i,!0}},{key:"parseMidrow",value:function(t,e){var i=null;if((17===t||25===t)&&32<=e&&e<=47){if((i=17===t?1:2)!==this.currChNr)return p.log("ERROR","Mismatch channel in midrow parsing"),!1;return this.channels[i-1].ccMIDROW(e),p.log("DEBUG","MIDROW ("+g([t,e])+")"),!0}return!1}},{key:"parsePAC",value:function(t,e){var i=null,r=null,n=(17<=t&&t<=23||25<=t&&t<=31)&&64<=e&&e<=127,a=(16===t||24===t)&&64<=e&&e<=95;if(!n&&!a)return!1;if(t===this.lastCmdA&&e===this.lastCmdB)return this.lastCmdA=null,this.lastCmdB=null,!0;i=t<=23?1:2,r=64<=e&&e<=95?1===i?u[t]:c[t]:1===i?d[t]:f[t];var o=this.interpretPAC(r,e);return this.channels[i-1].setPAC(o),this.lastCmdA=t,this.lastCmdB=e,this.currChNr=i,!0}},{key:"interpretPAC",value:function(t,e){var i=e,r={color:null,italics:!1,indent:null,underline:!1,row:t};return i=e>95?e-96:e-64,r.underline=1==(1&i),i<=13?r.color=["white","green","blue","cyan","red","yellow","magenta","white"][Math.floor(i/2)]:i<=15?(r.italics=!0,r.color="white"):r.indent=4*Math.floor((i-16)/2),r}},{key:"parseChars",value:function(t,e){var i=null,r=null,n=null;if(t>=25?(i=2,n=t-8):(i=1,n=t),17<=n&&n<=19){var a=e;a=17===n?e+80:18===n?e+112:e+144,p.log("INFO","Special char '"+o(a)+"' in channel "+i),r=[a]}else 32<=t&&t<=127&&(r=0===e?[t]:[t,e]);if(r){var s=g(r);p.log("DEBUG","Char codes = "+s.join(",")),this.lastCmdA=null,this.lastCmdB=null}return r}},{key:"parseBackgroundAttributes",value:function(t,e){var i,r,n,a,o=(16===t||24===t)&&32<=e&&e<=47,s=(23===t||31===t)&&45<=e&&e<=47;return!(!o&&!s)&&(i={},16===t||24===t?(r=Math.floor((e-32)/2),i.background=h[r],e%2==1&&(i.background=i.background+"_semi")):45===e?i.background="transparent":(i.foreground="black",47===e&&(i.underline=!0)),n=t<24?1:2,a=this.channels[n-1],a.setBkgData(i),this.lastCmdA=null,this.lastCmdB=null,!0)}},{key:"reset",value:function(){for(var t=0;t<this.channels.length;t++)this.channels[t]&&this.channels[t].reset();this.lastCmdA=null,this.lastCmdB=null}},{key:"cueSplitAtTime",value:function(t){for(var e=0;e<this.channels.length;e++)this.channels[e]&&this.channels[e].cueSplitAtTime(t)}}]),t}();i.default=E},{}],50:[function(t,e,i){"use strict";var r=t(56),n={newCue:function(t,e,i,n){for(var a,o,s,l,u,d=window.VTTCue||window.TextTrackCue,c=0;c<n.rows.length;c++)if(a=n.rows[c],s=!0,l=0,u="",!a.isEmpty()){for(var f=0;f<a.chars.length;f++)a.chars[f].uchar.match(/\s/)&&s?l++:(u+=a.chars[f].uchar,s=!1);a.cueStartTime=e,e===i&&(i+=1e-4),o=new d(e,i,(0,r.fixLineBreaks)(u.trim())),l>=16?l--:l++,navigator.userAgent.match(/Firefox\//)?o.line=c+1:o.line=c>7?c-2:c+1,o.align="left",o.position=Math.max(0,Math.min(100,l/32*100+(navigator.userAgent.match(/Firefox\//)?50:0))),t.addCue(o)}}};e.exports=n},{56:56}],51:[function(t,e,i){"use strict";function r(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(i,"__esModule",{value:!0});var n=function(){function t(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(e,i,r){return i&&t(e.prototype,i),r&&t(e,r),e}}(),a=t(52),o=function(t){return t&&t.__esModule?t:{default:t}}(a),s=function(){function 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i&&t(e.prototype,i),r&&t(e,r),e}}(),a=function(){function t(e){r(this,t),this.alpha_=e?Math.exp(Math.log(.5)/e):0,this.estimate_=0,this.totalWeight_=0}return n(t,[{key:"sample",value:function(t,e){var i=Math.pow(this.alpha_,t);this.estimate_=e*(1-i)+i*this.estimate_,this.totalWeight_+=t}},{key:"getTotalWeight",value:function(){return this.totalWeight_}},{key:"getEstimate",value:function(){if(this.alpha_){var t=1-Math.pow(this.alpha_,this.totalWeight_);return this.estimate_/t}return this.estimate_}}]),t}();i.default=a},{}],53:[function(t,e,i){"use strict";function r(){}function n(t,e){return e="["+t+"] > "+e}function a(t){var e=self.console[t];return e?function(){for(var i=arguments.length,r=Array(i),a=0;a<i;a++)r[a]=arguments[a];r[0]&&(r[0]=n(t,r[0])),e.apply(self.console,r)}:r}function o(t){for(var e=arguments.length,i=Array(e>1?e-1:0),r=1;r<e;r++)i[r-1]=arguments[r];i.forEach(function(e){u[e]=t[e]?t[e].bind(t):a(e)})}Object.defineProperty(i,"__esModule",{value:!0});var 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t=this.container.getPlaybackType()!==v.default.LIVE||this.container.isDvrEnabled();if(t!==this.pointerEnabled){var e=t?"addClass":"removeClass";this.container.$el[e]("pointer-enabled"),this.pointerEnabled=t}},e}(h.default);e.default=m,t.exports=e.default},function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var r=i(197),n=function(t){return t&&t.__esModule?t:{default:t}}(r);e.default=n.default,t.exports=e.default},function(t,e,i){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}Object.defineProperty(e,"__esModule",{value:!0});var n=i(0),a=r(n),o=i(1),s=r(o),l=i(3),u=r(l),d=i(2),c=r(d),f=i(38),h=r(f),p=i(8),g=r(p),y=i(9),v=r(y),m=i(7),b=r(m),_=i(4),E=r(_),T=i(198),k=r(T),A=i(199),S=r(A),L=function(t){function e(i){(0,a.default)(this,e);var r=(0,s.default)(this,t.call(this,i));return 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this.style=this.style||b.default.getStyleFor(k.default,{baseUrl:this.core.options.baseUrl}),this.$el.html(this.template({live:this.core.i18n.t("live"),backToLive:this.core.i18n.t("back_to_live")})),this.$el.append(this.style),this.shouldRender()&&(this.core.mediaControl.$el.addClass("live"),this.core.mediaControl.$(".media-control-left-panel[data-media-control]").append(this.$el)),this},e}(h.default);e.default=L,t.exports=e.default},function(t,e,i){e=t.exports=i(10)(void 0),e.push([t.i,'.dvr-controls[data-dvr-controls]{display:inline-block;float:left;color:#fff;line-height:32px;font-size:10px;font-weight:700;margin-left:6px}.dvr-controls[data-dvr-controls] .live-info{cursor:default;font-family:Roboto,Open Sans,Arial,sans-serif;text-transform:uppercase}.dvr-controls[data-dvr-controls] .live-info:before{content:"";display:inline-block;position:relative;width:7px;height:7px;border-radius:3.5px;margin-right:3.5px;background-color:#ff0101}.dvr-controls[data-dvr-controls] 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r=(0,s.default)(this,t.call(this,i)),n=i.options.closedCaptionsConfig;return r._title=n&&n.title?n.title:null,r._ariaLabel=n&&n.ariaLabel?n.ariaLabel:"cc-button",r._labelCb=n&&n.labelCallback&&"function"==typeof n.labelCallback?n.labelCallback:function(t){return t.name},r}return(0,c.default)(e,t),(0,u.default)(e,[{key:"name",get:function(){return"closed_captions"}},{key:"template",get:function(){return(0,g.default)(S.default)}},{key:"events",get:function(){return{"click [data-cc-button]":"toggleContextMenu","click [data-cc-select]":"onTrackSelect"}}},{key:"attributes",get:function(){return{class:"cc-controls","data-cc-controls":""}}}]),e.prototype.bindEvents=function(){this.listenTo(this.core.mediaControl,b.default.MEDIACONTROL_CONTAINERCHANGED,this.containerChanged),this.listenTo(this.core.mediaControl,b.default.MEDIACONTROL_RENDERED,this.render),this.listenTo(this.core.mediaControl,b.default.MEDIACONTROL_HIDE,this.hideContextMenu),this.container=this.core.getCurrentContainer(),this.container&&(this.listenTo(this.container,b.default.CONTAINER_SUBTITLE_AVAILABLE,this.onSubtitleAvailable),this.listenTo(this.container,b.default.CONTAINER_SUBTITLE_CHANGED,this.onSubtitleChanged),this.listenTo(this.container,b.default.CONTAINER_STOP,this.onContainerStop))},e.prototype.onContainerStop=function(){this.ccAvailable(!1)},e.prototype.containerChanged=function(){this.ccAvailable(!1),this.stopListening(),this.bindEvents()},e.prototype.onSubtitleAvailable=function(){this.renderCcButton(),this.ccAvailable(!0)},e.prototype.onSubtitleChanged=function(t){this.setCurrentContextMenuElement(t.id)},e.prototype.onTrackSelect=function(t){var e=parseInt(t.target.dataset.ccSelect,10);return this.container.closedCaptionsTrackId=e,this.hideContextMenu(),t.stopPropagation(),!1},e.prototype.ccAvailable=function(t){var e=t?"addClass":"removeClass";this.$el[e]("available")},e.prototype.toggleContextMenu=function(){this.$el.find("ul").toggle()},e.prototype.hideContextMenu=function(){this.$el.find("ul").hide()},e.prototype.contextMenuElement=function(t){return this.$el.find("ul a"+(isNaN(t)?"":'[data-cc-select="'+t+'"]')).parent()},e.prototype.setCurrentContextMenuElement=function(t){if(this._trackId!==t){this.contextMenuElement().removeClass("current"),this.contextMenuElement(t).addClass("current");var e=t>-1?"addClass":"removeClass";this.$ccButton[e]("enabled"),this._trackId=t}},e.prototype.renderCcButton=function(){for(var t=this.container?this.container.closedCaptionsTracks:[],e=0;e<t.length;e++)t[e].label=this._labelCb(t[e]);this.$el.html(this.template({ariaLabel:this._ariaLabel,disabledLabel:this.core.i18n.t("disabled"),title:this._title,tracks:t})),this.$ccButton=this.$el.find("button.cc-button[data-cc-button]"),this.$ccButton.append(E.default),this.$el.append(this.style)},e.prototype.render=function(){this.style||(this.style=v.default.getStyleFor(k.default,{baseUrl:this.core.options.baseUrl})),this.renderCcButton();var t=this.core.mediaControl.$el.find("button[data-fullscreen]");return t[0]?this.$el.insertAfter(t):this.core.mediaControl.$el.find(".media-control-right-panel[data-media-control]").prepend(this.$el),this},e}(h.default);e.default=L,t.exports=e.default},function(t,e){t.exports='<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" viewBox="0 0 49 41.8" style="enable-background:new 0 0 49 41.8;" 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.cc-button.enabled:hover{opacity:1;text-shadow:none}.cc-controls[data-cc-controls]>ul{list-style-type:none;position:absolute;bottom:25px;border:1px solid #000;display:none;background-color:#e6e6e6}.cc-controls[data-cc-controls] li{font-size:10px}.cc-controls[data-cc-controls] li[data-title]{background-color:#c3c2c2;padding:5px}.cc-controls[data-cc-controls] li a{color:#444;padding:2px 10px;display:block;text-decoration:none}.cc-controls[data-cc-controls] li a:hover{background-color:#555;color:#fff}.cc-controls[data-cc-controls] li a:hover a{color:#fff;text-decoration:none}.cc-controls[data-cc-controls] li.current a{color:red}",""])},function(t,e){t.exports='<button type="button" class="cc-button media-control-button media-control-icon" data-cc-button aria-label="<%= ariaLabel %>"></button>\n<ul>\n <% if (title) { %>\n <li data-title><%= title %></li>\n <% }; %>\n <li><a href="#" data-cc-select="-1"><%= disabledLabel %></a></li>\n <% for (var i = 0; i < tracks.length; i++) { %>\n <li><a href="#" data-cc-select="<%= tracks[i].id %>"><%= tracks[i].label %></a></li>\n <% }; %>\n</ul>\n'},function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var r=i(206),n=function(t){return t&&t.__esModule?t:{default:t}}(r);e.default=n.default,t.exports=e.default},function(t,e,i){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}Object.defineProperty(e,"__esModule",{value:!0});var n=i(0),a=r(n),o=i(1),s=r(o),l=i(3),u=r(l),d=i(2),c=r(d),f=i(30),h=r(f),p=i(4),g=r(p),y=i(6),v=r(y),m=i(58),b=r(m),_=i(76),E=r(_),T=(0,v.default)('link[rel="shortcut icon"]'),k=function(t){function e(i){(0,a.default)(this,e);var r=(0,s.default)(this,t.call(this,i));return r._container=null,r.configure(),r}return(0,c.default)(e,t),(0,u.default)(e,[{key:"name",get:function(){return"favicon"}},{key:"oldIcon",get:function(){return T}}]),e.prototype.configure=function(){this.core.options.changeFavicon?this.enabled||(this.stopListening(this.core,g.default.CORE_OPTIONS_CHANGE),this.enable()):this.enabled&&(this.disable(),this.listenTo(this.core,g.default.CORE_OPTIONS_CHANGE,this.configure))},e.prototype.bindEvents=function(){this.listenTo(this.core,g.default.CORE_OPTIONS_CHANGE,this.configure),this.listenTo(this.core.mediaControl,g.default.MEDIACONTROL_CONTAINERCHANGED,this.containerChanged),this.core.mediaControl.container&&this.containerChanged()},e.prototype.containerChanged=function(){this._container&&this.stopListening(this._container),this._container=this.core.mediaControl.container,this.listenTo(this._container,g.default.CONTAINER_PLAY,this.setPlayIcon),this.listenTo(this._container,g.default.CONTAINER_PAUSE,this.setPauseIcon),this.listenTo(this._container,g.default.CONTAINER_STOP,this.resetIcon),this.listenTo(this._container,g.default.CONTAINER_ENDED,this.resetIcon),this.listenTo(this._container,g.default.CONTAINER_ERROR,this.resetIcon),this.resetIcon()},e.prototype.disable=function(){t.prototype.disable.call(this),this.resetIcon()},e.prototype.destroy=function(){t.prototype.destroy.call(this),this.resetIcon()},e.prototype.createIcon=function(t){var e=(0,v.default)("<canvas/>");e[0].width=16,e[0].height=16;var i=e[0].getContext("2d");i.fillStyle="#000";var r=(0,v.default)(t).find("path").attr("d"),n=new Path2D(r);i.fill(n);var a=(0,v.default)('<link rel="shortcut icon" type="image/png"/>');return a.attr("href",e[0].toDataURL("image/png")),a},e.prototype.setPlayIcon=function(){this.playIcon||(this.playIcon=this.createIcon(b.default)),this.changeIcon(this.playIcon)},e.prototype.setPauseIcon=function(){this.pauseIcon||(this.pauseIcon=this.createIcon(E.default)),this.changeIcon(this.pauseIcon)},e.prototype.resetIcon=function(){(0,v.default)('link[rel="shortcut icon"]').remove(),(0,v.default)("head").append(this.oldIcon)},e.prototype.changeIcon=function(t){t&&((0,v.default)('link[rel="shortcut icon"]').remove(),(0,v.default)("head").append(t))},e}(h.default);e.default=k,t.exports=e.default},function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var r=i(208),n=function(t){return t&&t.__esModule?t:{default:t}}(r);e.default=n.default,t.exports=e.default},function(t,e,i){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}Object.defineProperty(e,"__esModule",{value:!0});var n=i(0),a=r(n),o=i(1),s=r(o),l=i(3),u=r(l),d=i(2),c=r(d),f=i(5),h=i(38),p=r(h),g=i(7),y=r(g),v=i(8),m=r(v),b=i(4),_=r(b),E=i(9),T=r(E),k=i(209),A=r(k),S=i(210),L=r(S),R=function(t){function e(i){(0,a.default)(this,e);var r=(0,s.default)(this,t.call(this,i));return r.hoveringOverSeekBar=!1,r.hoverPosition=null,r.duration=null,r.actualLiveTime=!!r.mediaControl.options.actualLiveTime,r.actualLiveTime&&(r.mediaControl.options.actualLiveServerTime?r.actualLiveServerTimeDiff=(new Date).getTime()-new Date(r.mediaControl.options.actualLiveServerTime).getTime():r.actualLiveServerTimeDiff=0),r}return(0,c.default)(e,t),(0,u.default)(e,[{key:"name",get:function(){return"seek_time"}},{key:"template",get:function(){return(0,m.default)(L.default)}},{key:"attributes",get:function(){return{class:"seek-time","data-seek-time":""}}},{key:"mediaControl",get:function(){return this.core.mediaControl}},{key:"mediaControlContainer",get:function(){return this.mediaControl.container}},{key:"isLiveStreamWithDvr",get:function(){return this.mediaControlContainer&&this.mediaControlContainer.getPlaybackType()===T.default.LIVE&&this.mediaControlContainer.isDvrEnabled()}},{key:"durationShown",get:function(){return this.isLiveStreamWithDvr&&!this.useActualLiveTime}},{key:"useActualLiveTime",get:function(){return this.actualLiveTime&&this.isLiveStreamWithDvr}}]),e.prototype.bindEvents=function(){this.listenTo(this.mediaControl,_.default.MEDIACONTROL_RENDERED,this.render),this.listenTo(this.mediaControl,_.default.MEDIACONTROL_MOUSEMOVE_SEEKBAR,this.showTime),this.listenTo(this.mediaControl,_.default.MEDIACONTROL_MOUSELEAVE_SEEKBAR,this.hideTime),this.listenTo(this.mediaControl,_.default.MEDIACONTROL_CONTAINERCHANGED,this.onContainerChanged),this.mediaControlContainer&&(this.listenTo(this.mediaControlContainer,_.default.CONTAINER_PLAYBACKDVRSTATECHANGED,this.update),this.listenTo(this.mediaControlContainer,_.default.CONTAINER_TIMEUPDATE,this.updateDuration))},e.prototype.onContainerChanged=function(){this.stopListening(),this.bindEvents()},e.prototype.updateDuration=function(t){this.duration=t.total,this.update()},e.prototype.showTime=function(t){this.hoveringOverSeekBar=!0,this.calculateHoverPosition(t),this.update()},e.prototype.hideTime=function(){this.hoveringOverSeekBar=!1,this.update()},e.prototype.calculateHoverPosition=function(t){var e=t.pageX-this.mediaControl.$seekBarContainer.offset().left;this.hoverPosition=Math.min(1,Math.max(e/this.mediaControl.$seekBarContainer.width(),0))},e.prototype.getSeekTime=function(){var t=void 0,e=void 0;if(this.useActualLiveTime){var i=new Date((new Date).getTime()-this.actualLiveServerTimeDiff);e=(new Date(i)-i.setHours(0,0,0,0))/1e3,t=e-this.duration+this.hoverPosition*this.duration,t<0&&(t+=86400)}else t=this.hoverPosition*this.duration;return{seekTime:t,secondsSinceMidnight:e}},e.prototype.update=function(){if(this.rendered)if(this.shouldBeVisible()){var t=this.getSeekTime(),e=(0,f.formatTime)(t.seekTime,this.useActualLiveTime);if(e!==this.displayedSeekTime&&(this.$seekTimeEl.text(e),this.displayedSeekTime=e),this.durationShown){this.$durationEl.show();var i=(0,f.formatTime)(this.actualLiveTime?t.secondsSinceMidnight:this.duration,this.actualLiveTime);i!==this.displayedDuration&&(this.$durationEl.text(i),this.displayedDuration=i)}else this.$durationEl.hide();this.$el.show();var r=this.mediaControl.$seekBarContainer.width(),n=this.$el.width(),a=this.hoverPosition*r;a-=n/2,a=Math.max(0,Math.min(a,r-n)),this.$el.css("left",a)}else this.$el.hide(),this.$el.css("left","-100%")},e.prototype.shouldBeVisible=function(){return this.mediaControlContainer&&this.mediaControlContainer.settings.seekEnabled&&this.hoveringOverSeekBar&&null!==this.hoverPosition&&null!==this.duration},e.prototype.render=function(){this.rendered=!0,this.displayedDuration=null,this.displayedSeekTime=null;var t=y.default.getStyleFor(A.default);this.$el.html(this.template()),this.$el.append(t),this.$el.hide(),this.mediaControl.$el.append(this.el),this.$seekTimeEl=this.$el.find("[data-seek-time]"),this.$durationEl=this.$el.find("[data-duration]"),this.$durationEl.hide(),this.update()},e}(p.default);e.default=R,t.exports=e.default},function(t,e,i){e=t.exports=i(10)(void 0),e.push([t.i,'.seek-time[data-seek-time]{position:absolute;white-space:nowrap;height:20px;line-height:20px;font-size:0;left:-100%;bottom:55px;background-color:rgba(2,2,2,.5);z-index:9999;-webkit-transition:opacity .1s ease;-moz-transition:opacity .1s ease;transition:opacity .1s ease}.seek-time[data-seek-time].hidden[data-seek-time]{opacity:0}.seek-time[data-seek-time] [data-seek-time]{display:inline-block;color:#fff;font-size:10px;padding-left:7px;padding-right:7px;vertical-align:top}.seek-time[data-seek-time] [data-duration]{display:inline-block;color:hsla(0,0%,100%,.5);font-size:10px;padding-right:7px;vertical-align:top}.seek-time[data-seek-time] [data-duration]:before{content:"|";margin-right:7px}',""])},function(t,e){t.exports="<span data-seek-time></span>\n<span data-duration></span>\n"},function(t,e,i){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}Object.defineProperty(e,"__esModule",{value:!0});var 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e(){return(0,a.default)(this,e),(0,u.default)(this,t.apply(this,arguments))}return(0,c.default)(e,t),e.prototype.bindEvents=function(){this.listenTo(this.core.mediaControl,h.default.MEDIACONTROL_CONTAINERCHANGED,this.containerChanged);var t=this.core.getCurrentContainer();t&&(this.listenTo(t,h.default.CONTAINER_ENDED,this.ended),this.listenTo(t,h.default.CONTAINER_STOP,this.ended))},e.prototype.containerChanged=function(){this.stopListening(),this.bindEvents()},e.prototype.ended=function(){(void 0===this.core.options.exitFullscreenOnEnd||this.core.options.exitFullscreenOnEnd)&&y.Fullscreen.isFullscreen()&&this.core.toggleFullscreen()},(0,s.default)(e,[{key:"name",get:function(){return"end_video"}}]),e}(g.default);e.default=v,t.exports=e.default},function(t,e,i){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}Object.defineProperty(e,"__esModule",{value:!0});var n=i(31),a=r(n),o=i(0),s=r(o),l=i(1),u=r(l),d=i(3),c=r(d),f=i(2),h=r(f),p=i(5),g=i(6),y=r(g),v=i(30),m=r(v),b=function(t){function e(i){(0,s.default)(this,e);var r=(0,u.default)(this,t.call(this,i));return r._initializeMessages(),r}return(0,h.default)(e,t),(0,c.default)(e,[{key:"name",get:function(){return"strings"}}]),e.prototype.t=function(t){var e=this._language();return(e&&this._messages[e]||this._messages.en)[t]||t},e.prototype._language=function(){return this.core.options.language||(0,p.getBrowserLanguage)()},e.prototype._initializeMessages=function(){var t={en:{live:"live",back_to_live:"back to live",disabled:"Disabled",playback_not_supported:"Your browser does not support the playback of this video. 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t=this.getCurrentContainer();return t&&t.getPlaybackType()},e.prototype.toggleFullscreen=function(){h.Fullscreen.isFullscreen()?(h.Fullscreen.cancelFullscreen(),_.default.isiOS||this.$el.removeClass("fullscreen nocursor")):(h.Fullscreen.requestFullscreen(this.el),_.default.isiOS||this.$el.addClass("fullscreen")),this.mediaControl.show()},e.prototype.showMediaControl=function(t){this.mediaControl.show(t)},e.prototype.hideMediaControl=function(){this.mediaControl.hide(this.options.hideMediaControlDelay)},e.prototype.onMediaControlShow=function(t){this.getCurrentContainer().trigger(t?p.default.CONTAINER_MEDIACONTROL_SHOW:p.default.CONTAINER_MEDIACONTROL_HIDE),t?this.$el.removeClass("nocursor"):h.Fullscreen.isFullscreen()&&this.$el.addClass("nocursor")},e.prototype.configure=function(t){var e=this;this._options=I.default.extend(this._options,t),this.configureDomRecycler();var i=t.source||t.sources;i?this.load(i,t.mimeType||this.options.mimeType):(this.trigger(p.default.CORE_OPTIONS_CHANGE),this.containers.forEach(function(t){t.configure(e.options)}))},e.prototype.render=function(){this.$style&&this.$style.remove(),this.$style=y.default.getStyleFor(O.default,{baseUrl:this.options.baseUrl}),this.$el.append(this.$style),this.$el.append(this.mediaControl.render().el),this.options.width=this.options.width||this.$el.width(),this.options.height=this.options.height||this.$el.height();var t={width:this.options.width,height:this.options.height};return this.playerInfo.previousSize=this.playerInfo.currentSize=this.playerInfo.computedSize=t,this.updateSize(),this.previousSize={width:this.$el.width(),height:this.$el.height()},this.enableResizeObserver(),this},e}(v.default);e.default=P,t.exports=e.default},function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var n=i(135),r=function(t){return t&&t.__esModule?t:{default:t}}(n);e.default=r.default,t.exports=e.default},function(t,e,i){"use strict";function n(t){return t&&t.__esModule?t:{default:t}}Object.defineProperty(e,"__esModule",{value:!0});var r=i(33),a=n(r),o=i(0),s=n(o),l=i(1),u=n(l),d=i(3),c=n(d),h=i(2),f=n(h),p=i(17),g=n(p),y=i(4),m=n(y),v=i(73),b=n(v),_=i(6),E=n(_),T=function(t){function e(i,n,r){(0,s.default)(this,e);var a=(0,u.default)(this,t.call(this,i));return a._i18n=r,a.loader=n,a}return(0,f.default)(e,t),(0,c.default)(e,[{key:"options",get:function(){return this._options},set:function(t){this._options=t}}]),e.prototype.createContainers=function(){var t=this;return E.default.Deferred(function(e){e.resolve(t.options.sources.map(function(e){return t.createContainer(e)}))})},e.prototype.findPlaybackPlugin=function(t,e){return this.loader.playbackPlugins.filter(function(i){return i.canPlay(t,e)})[0]},e.prototype.createContainer=function(t){var e=null,i=this.options.mimeType;"object"===(void 0===t?"undefined":(0,a.default)(t))?(e=t.source.toString(),t.mimeType&&(i=t.mimeType)):e=t.toString(),e.match(/^\/\//)&&(e=window.location.protocol+e);var n=E.default.extend({},this.options,{src:e,mimeType:i}),r=this.findPlaybackPlugin(e,i),o=new r(n,this._i18n);n=E.default.extend({},n,{playback:o});var s=new b.default(n,this._i18n),l=E.default.Deferred();return l.promise(s),this.addContainerPlugins(s),this.listenToOnce(s,m.default.CONTAINER_READY,function(){return l.resolve(s)}),s},e.prototype.addContainerPlugins=function(t){this.loader.containerPlugins.forEach(function(e){t.addPlugin(new e(t))})},e}(g.default);e.default=T,t.exports=e.default},function(t,e,i){"use strict";function n(t){return t&&t.__esModule?t:{default:t}}Object.defineProperty(e,"__esModule",{value:!0});var r=i(0),a=n(r),o=i(1),s=n(o),l=i(3),u=n(l),d=i(2),c=n(d),h=i(4),f=n(h),p=i(21),g=n(p),y=i(7),m=n(y),v=i(137),b=n(v),_=i(6),E=n(_),T=function(t){function e(i,n){(0,a.default)(this,e);var r=(0,s.default)(this,t.call(this,i));return r._i18n=n,r.currentTime=0,r.volume=100,r.playback=i.playback,r.settings=E.default.extend({},r.playback.settings),r.isReady=!1,r.mediaControlDisabled=!1,r.plugins=[r.playback],r.bindEvents(),r}return(0,c.default)(e,t),(0,u.default)(e,[{key:"name",get:function(){return"Container"}},{key:"attributes",get:function(){return{class:"container","data-container":""}}},{key:"events",get:function(){return{click:"clicked",dblclick:"dblClicked",doubleTap:"dblClicked",contextmenu:"onContextMenu",mouseenter:"mouseEnter",mouseleave:"mouseLeave"}}},{key:"ended",get:function(){return this.playback.ended}},{key:"buffering",get:function(){return this.playback.buffering}},{key:"i18n",get:function(){return this._i18n}},{key:"hasClosedCaptionsTracks",get:function(){return this.playback.hasClosedCaptionsTracks}},{key:"closedCaptionsTracks",get:function(){return this.playback.closedCaptionsTracks}},{key:"closedCaptionsTrackId",get:function(){return this.playback.closedCaptionsTrackId},set:function(t){this.playback.closedCaptionsTrackId=t}}]),e.prototype.bindEvents=function(){this.listenTo(this.playback,f.default.PLAYBACK_PROGRESS,this.progress),this.listenTo(this.playback,f.default.PLAYBACK_TIMEUPDATE,this.timeUpdated),this.listenTo(this.playback,f.default.PLAYBACK_READY,this.ready),this.listenTo(this.playback,f.default.PLAYBACK_BUFFERING,this.onBuffering),this.listenTo(this.playback,f.default.PLAYBACK_BUFFERFULL,this.bufferfull),this.listenTo(this.playback,f.default.PLAYBACK_SETTINGSUPDATE,this.settingsUpdate),this.listenTo(this.playback,f.default.PLAYBACK_LOADEDMETADATA,this.loadedMetadata),this.listenTo(this.playback,f.default.PLAYBACK_HIGHDEFINITIONUPDATE,this.highDefinitionUpdate),this.listenTo(this.playback,f.default.PLAYBACK_BITRATE,this.updateBitrate),this.listenTo(this.playback,f.default.PLAYBACK_PLAYBACKSTATE,this.playbackStateChanged),this.listenTo(this.playback,f.default.PLAYBACK_DVR,this.playbackDvrStateChanged),this.listenTo(this.playback,f.default.PLAYBACK_MEDIACONTROL_DISABLE,this.disableMediaControl),this.listenTo(this.playback,f.default.PLAYBACK_MEDIACONTROL_ENABLE,this.enableMediaControl),this.listenTo(this.playback,f.default.PLAYBACK_SEEKED,this.onSeeked),this.listenTo(this.playback,f.default.PLAYBACK_ENDED,this.onEnded),this.listenTo(this.playback,f.default.PLAYBACK_PLAY,this.playing),this.listenTo(this.playback,f.default.PLAYBACK_PAUSE,this.paused),this.listenTo(this.playback,f.default.PLAYBACK_STOP,this.stopped),this.listenTo(this.playback,f.default.PLAYBACK_ERROR,this.error),this.listenTo(this.playback,f.default.PLAYBACK_SUBTITLE_AVAILABLE,this.subtitleAvailable),this.listenTo(this.playback,f.default.PLAYBACK_SUBTITLE_CHANGED,this.subtitleChanged)},e.prototype.subtitleAvailable=function(){this.trigger(f.default.CONTAINER_SUBTITLE_AVAILABLE)},e.prototype.subtitleChanged=function(t){this.trigger(f.default.CONTAINER_SUBTITLE_CHANGED,t)},e.prototype.playbackStateChanged=function(t){this.trigger(f.default.CONTAINER_PLAYBACKSTATE,t)},e.prototype.playbackDvrStateChanged=function(t){this.settings=this.playback.settings,this.dvrInUse=t,this.trigger(f.default.CONTAINER_PLAYBACKDVRSTATECHANGED,t)},e.prototype.updateBitrate=function(t){this.trigger(f.default.CONTAINER_BITRATE,t)},e.prototype.statsReport=function(t){this.trigger(f.default.CONTAINER_STATS_REPORT,t)},e.prototype.getPlaybackType=function(){return this.playback.getPlaybackType()},e.prototype.isDvrEnabled=function(){return!!this.playback.dvrEnabled},e.prototype.isDvrInUse=function(){return!!this.dvrInUse},e.prototype.destroy=function(){this.trigger(f.default.CONTAINER_DESTROYED,this,this.name),this.stopListening(),this.plugins.forEach(function(t){return t.destroy()}),this.$el.remove()},e.prototype.setStyle=function(t){this.$el.css(t)},e.prototype.animate=function(t,e){return this.$el.animate(t,e).promise()},e.prototype.ready=function(){this.isReady=!0,this.trigger(f.default.CONTAINER_READY,this.name)},e.prototype.isPlaying=function(){return this.playback.isPlaying()},e.prototype.getStartTimeOffset=function(){return this.playback.getStartTimeOffset()},e.prototype.getCurrentTime=function(){return this.currentTime},e.prototype.getDuration=function(){return this.playback.getDuration()},e.prototype.error=function(t){this.isReady||this.ready(),this.trigger(f.default.CONTAINER_ERROR,{error:t,container:this},this.name)},e.prototype.loadedMetadata=function(t){this.trigger(f.default.CONTAINER_LOADEDMETADATA,t)},e.prototype.timeUpdated=function(t){this.currentTime=t.current,this.trigger(f.default.CONTAINER_TIMEUPDATE,t,this.name)},e.prototype.progress=function(){for(var t=arguments.length,e=Array(t),i=0;i<t;i++)e[i]=arguments[i];this.trigger.apply(this,[f.default.CONTAINER_PROGRESS].concat(e,[this.name]))},e.prototype.playing=function(){this.trigger(f.default.CONTAINER_PLAY,this.name)},e.prototype.paused=function(){this.trigger(f.default.CONTAINER_PAUSE,this.name)},e.prototype.play=function(){this.playback.play()},e.prototype.stop=function(){this.playback.stop(),this.currentTime=0},e.prototype.pause=function(){this.playback.pause()},e.prototype.onEnded=function(){this.trigger(f.default.CONTAINER_ENDED,this,this.name),this.currentTime=0},e.prototype.stopped=function(){this.trigger(f.default.CONTAINER_STOP)},e.prototype.clicked=function(){this.options.chromeless&&!this.options.allowUserInteraction||this.trigger(f.default.CONTAINER_CLICK,this,this.name)},e.prototype.dblClicked=function(){this.options.chromeless&&!this.options.allowUserInteraction||this.trigger(f.default.CONTAINER_DBLCLICK,this,this.name)},e.prototype.onContextMenu=function(t){this.options.chromeless&&!this.options.allowUserInteraction||this.trigger(f.default.CONTAINER_CONTEXTMENU,t,this.name)},e.prototype.seek=function(t){this.trigger(f.default.CONTAINER_SEEK,t,this.name),this.playback.seek(t)},e.prototype.onSeeked=function(){this.trigger(f.default.CONTAINER_SEEKED,this.name)},e.prototype.seekPercentage=function(t){var e=this.getDuration();if(t>=0&&t<=100){var i=e*(t/100);this.seek(i)}},e.prototype.setVolume=function(t){this.volume=parseInt(t,10),this.trigger(f.default.CONTAINER_VOLUME,t,this.name),this.playback.volume(t)},e.prototype.fullscreen=function(){this.trigger(f.default.CONTAINER_FULLSCREEN,this.name)},e.prototype.onBuffering=function(){this.trigger(f.default.CONTAINER_STATE_BUFFERING,this.name)},e.prototype.bufferfull=function(){this.trigger(f.default.CONTAINER_STATE_BUFFERFULL,this.name)},e.prototype.addPlugin=function(t){this.plugins.push(t)},e.prototype.hasPlugin=function(t){return!!this.getPlugin(t)},e.prototype.getPlugin=function(t){return this.plugins.filter(function(e){return e.name===t})[0]},e.prototype.mouseEnter=function(){this.options.chromeless&&!this.options.allowUserInteraction||this.trigger(f.default.CONTAINER_MOUSE_ENTER)},e.prototype.mouseLeave=function(){this.options.chromeless&&!this.options.allowUserInteraction||this.trigger(f.default.CONTAINER_MOUSE_LEAVE)},e.prototype.settingsUpdate=function(){this.settings=this.playback.settings,this.trigger(f.default.CONTAINER_SETTINGSUPDATE)},e.prototype.highDefinitionUpdate=function(t){this.trigger(f.default.CONTAINER_HIGHDEFINITIONUPDATE,t)},e.prototype.isHighDefinitionInUse=function(){return this.playback.isHighDefinitionInUse()},e.prototype.disableMediaControl=function(){this.mediaControlDisabled||(this.mediaControlDisabled=!0,this.trigger(f.default.CONTAINER_MEDIACONTROL_DISABLE))},e.prototype.enableMediaControl=function(){this.mediaControlDisabled&&(this.mediaControlDisabled=!1,this.trigger(f.default.CONTAINER_MEDIACONTROL_ENABLE))},e.prototype.updateStyle=function(){!this.options.chromeless||this.options.allowUserInteraction?this.$el.removeClass("chromeless"):this.$el.addClass("chromeless")},e.prototype.configure=function(t){this._options=E.default.extend(this._options,t),this.updateStyle(),this.trigger(f.default.CONTAINER_OPTIONS_CHANGE)},e.prototype.render=function(){var t=m.default.getStyleFor(b.default);return this.$el.append(t),this.$el.append(this.playback.render().el),this.updateStyle(),this},e}(g.default);e.default=T,t.exports=e.default},function(t,e,i){e=t.exports=i(10)(void 0),e.push([t.i,".container[data-container]{position:absolute;background-color:#000;height:100%;width:100%}.container[data-container] .chromeless{cursor:default}[data-player]:not(.nocursor) .container[data-container]:not(.chromeless).pointer-enabled{cursor:pointer}",""])},function(t,e,i){"use strict";(function(n){function r(t){return t&&t.__esModule?t:{default:t}}Object.defineProperty(e,"__esModule",{value:!0});var a=i(139),o=r(a),s=i(0),l=r(s),u=i(1),d=r(u),c=i(3),h=r(c),f=i(2),p=r(f),g=i(5),y=i(56),m=i(4),v=r(m),b=i(7),_=r(b),E=i(21),T=r(E),A=i(13),S=r(A),L=i(24),R=r(L),k=i(8),w=r(k),C=i(9),I=r(C),D=i(6),O=r(D),P=i(141),x=r(P),N=i(142),M=r(N),F=i(58),B=r(F),U=i(76),G=r(U),K=i(143),V=r(K),Y=i(144),j=r(Y),H=i(145),$=r(H),z=i(146),W=r(z),q=i(147),X=r(q),Z=i(148),J=r(Z),Q=function(t){function e(i){(0,l.default)(this,e);var n=(0,d.default)(this,t.call(this,i));n.persistConfig=n.options.persistConfig,n.container=i.container,n.currentPositionValue=null,n.currentDurationValue=null;var r=n.persistConfig?g.Config.restore("volume"):100;return n.setVolume(n.options.mute?0:r),n.keepVisible=!1,n.fullScreenOnVideoTagSupported=null,n.addEventListeners(),n.settings={left:["play","stop","pause"],right:["volume"],default:["position","seekbar","duration"]},n.container?O.default.isEmptyObject(n.container.settings)||(n.settings=O.default.extend({},n.container.settings)):n.settings={},n.userDisabled=!1,(n.container&&n.container.mediaControlDisabled||n.options.chromeless)&&n.disable(),n.stopDragHandler=function(t){return n.stopDrag(t)},n.updateDragHandler=function(t){return n.updateDrag(t)},(0,O.default)(document).bind("mouseup",n.stopDragHandler),(0,O.default)(document).bind("mousemove",n.updateDragHandler),n}return(0,p.default)(e,t),(0,h.default)(e,[{key:"name",get:function(){return"MediaControl"}},{key:"disabled",get:function(){return this.userDisabled||this.container&&this.container.getPlaybackType()===I.default.NO_OP}},{key:"attributes",get:function(){return{class:"media-control","data-media-control":""}}},{key:"events",get:function(){return{"click [data-play]":"play","click [data-pause]":"pause","click [data-playpause]":"togglePlayPause","click [data-stop]":"stop","click [data-playstop]":"togglePlayStop","click [data-fullscreen]":"toggleFullscreen","click .bar-container[data-seekbar]":"seek","click .bar-container[data-volume]":"onVolumeClick","click .drawer-icon[data-volume]":"toggleMute","mouseenter .drawer-container[data-volume]":"showVolumeBar","mouseleave .drawer-container[data-volume]":"hideVolumeBar","mousedown .bar-container[data-volume]":"startVolumeDrag","mousemove .bar-container[data-volume]":"mousemoveOnVolumeBar","mousedown .bar-scrubber[data-seekbar]":"startSeekDrag","mousemove .bar-container[data-seekbar]":"mousemoveOnSeekBar","mouseleave .bar-container[data-seekbar]":"mouseleaveOnSeekBar","mouseenter .media-control-layer[data-controls]":"setUserKeepVisible","mouseleave .media-control-layer[data-controls]":"resetUserKeepVisible"}}},{key:"template",get:function(){return(0,w.default)(M.default)}},{key:"stylesheet",get:function(){return _.default.getStyleFor(x.default,{baseUrl:this.options.baseUrl})}},{key:"volume",get:function(){return this.container&&this.container.isReady?this.container.volume:this.intendedVolume}},{key:"muted",get:function(){return 0===this.volume}}]),e.prototype.addEventListeners=function(){this.container&&(R.default.on(this.options.playerId+":"+v.default.PLAYER_RESIZE,this.playerResize,this),this.listenTo(this.container,v.default.CONTAINER_PLAY,this.changeTogglePlay),this.listenTo(this.container,v.default.CONTAINER_PAUSE,this.changeTogglePlay),this.listenTo(this.container,v.default.CONTAINER_STOP,this.changeTogglePlay),this.listenTo(this.container,v.default.CONTAINER_DBLCLICK,this.toggleFullscreen),this.listenTo(this.container,v.default.CONTAINER_TIMEUPDATE,this.onTimeUpdate),this.listenTo(this.container,v.default.CONTAINER_PROGRESS,this.updateProgressBar),this.listenTo(this.container,v.default.CONTAINER_SETTINGSUPDATE,this.settingsUpdate),this.listenTo(this.container,v.default.CONTAINER_PLAYBACKDVRSTATECHANGED,this.settingsUpdate),this.listenTo(this.container,v.default.CONTAINER_HIGHDEFINITIONUPDATE,this.highDefinitionUpdate),this.listenTo(this.container,v.default.CONTAINER_MEDIACONTROL_DISABLE,this.disable),this.listenTo(this.container,v.default.CONTAINER_MEDIACONTROL_ENABLE,this.enable),this.listenTo(this.container,v.default.CONTAINER_ENDED,this.ended),this.listenTo(this.container,v.default.CONTAINER_VOLUME,this.onVolumeChanged),"video"===this.container.playback.el.nodeName.toLowerCase()&&this.listenToOnce(this.container,v.default.CONTAINER_LOADEDMETADATA,this.onLoadedMetadataOnVideoTag))},e.prototype.disable=function(){this.userDisabled=!0,this.hide(),this.$el.hide()},e.prototype.enable=function(){this.options.chromeless||(this.userDisabled=!1,this.show())},e.prototype.play=function(){this.container.play()},e.prototype.pause=function(){this.container.pause()},e.prototype.stop=function(){this.container.stop()},e.prototype.onVolumeChanged=function(){this.updateVolumeUI()},e.prototype.onLoadedMetadataOnVideoTag=function(){var t=this.container.playback.el;!g.Fullscreen.fullscreenEnabled()&&t.webkitSupportsFullscreen&&(this.fullScreenOnVideoTagSupported=!0,this.settingsUpdate())},e.prototype.updateVolumeUI=function(){if(this.rendered){this.$volumeBarContainer.find(".bar-fill-2").css({});var t=this.$volumeBarContainer.width(),e=this.$volumeBarBackground.width(),i=(t-e)/2,n=e*this.volume/100+i;this.$volumeBarFill.css({width:this.volume+"%"}),this.$volumeBarScrubber.css({left:n}),this.$volumeBarContainer.find(".segmented-bar-element").removeClass("fill");var r=Math.ceil(this.volume/10);this.$volumeBarContainer.find(".segmented-bar-element").slice(0,r).addClass("fill"),this.$volumeIcon.html(""),this.$volumeIcon.removeClass("muted"),this.muted?(this.$volumeIcon.append($.default),this.$volumeIcon.addClass("muted")):this.$volumeIcon.append(j.default),this.applyButtonStyle(this.$volumeIcon)}},e.prototype.changeTogglePlay=function(){this.$playPauseToggle.html(""),this.$playStopToggle.html(""),this.container&&this.container.isPlaying()?(this.$playPauseToggle.append(G.default),this.$playStopToggle.append(V.default),this.trigger(v.default.MEDIACONTROL_PLAYING)):(this.$playPauseToggle.append(B.default),this.$playStopToggle.append(B.default),this.trigger(v.default.MEDIACONTROL_NOTPLAYING),S.default.isMobile&&this.show()),this.applyButtonStyle(this.$playPauseToggle),this.applyButtonStyle(this.$playStopToggle)},e.prototype.mousemoveOnSeekBar=function(t){if(this.settings.seekEnabled){var e=t.pageX-this.$seekBarContainer.offset().left-this.$seekBarHover.width()/2;this.$seekBarHover.css({left:e})}this.trigger(v.default.MEDIACONTROL_MOUSEMOVE_SEEKBAR,t)},e.prototype.mouseleaveOnSeekBar=function(t){this.trigger(v.default.MEDIACONTROL_MOUSELEAVE_SEEKBAR,t)},e.prototype.onVolumeClick=function(t){this.setVolume(this.getVolumeFromUIEvent(t))},e.prototype.mousemoveOnVolumeBar=function(t){this.draggingVolumeBar&&this.setVolume(this.getVolumeFromUIEvent(t))},e.prototype.playerResize=function(t){this.$fullscreenToggle.html(""),g.Fullscreen.isFullscreen()?this.$fullscreenToggle.append(X.default):this.$fullscreenToggle.append(W.default),this.applyButtonStyle(this.$fullscreenToggle),this.$el.removeClass("w320"),(t.width<=320||this.options.hideVolumeBar)&&this.$el.addClass("w320")},e.prototype.togglePlayPause=function(){return this.container.isPlaying()?this.container.pause():this.container.play(),!1},e.prototype.togglePlayStop=function(){this.container.isPlaying()?this.container.stop():this.container.play()},e.prototype.startSeekDrag=function(t){this.settings.seekEnabled&&(this.draggingSeekBar=!0,this.$el.addClass("dragging"),this.$seekBarLoaded.addClass("media-control-notransition"),this.$seekBarPosition.addClass("media-control-notransition"),this.$seekBarScrubber.addClass("media-control-notransition"),t&&t.preventDefault())},e.prototype.startVolumeDrag=function(t){this.draggingVolumeBar=!0,this.$el.addClass("dragging"),t&&t.preventDefault()},e.prototype.stopDrag=function(t){this.draggingSeekBar&&this.seek(t),this.$el.removeClass("dragging"),this.$seekBarLoaded.removeClass("media-control-notransition"),this.$seekBarPosition.removeClass("media-control-notransition"),this.$seekBarScrubber.removeClass("media-control-notransition dragging"),this.draggingSeekBar=!1,this.draggingVolumeBar=!1},e.prototype.updateDrag=function(t){if(this.draggingSeekBar){t.preventDefault();var e=t.pageX-this.$seekBarContainer.offset().left,i=e/this.$seekBarContainer.width()*100;i=Math.min(100,Math.max(i,0)),this.setSeekPercentage(i)}else this.draggingVolumeBar&&(t.preventDefault(),this.setVolume(this.getVolumeFromUIEvent(t)))},e.prototype.getVolumeFromUIEvent=function(t){return(t.pageX-this.$volumeBarContainer.offset().left)/this.$volumeBarContainer.width()*100},e.prototype.toggleMute=function(){this.setVolume(this.muted?100:0)},e.prototype.setVolume=function(t){var e=this;t=Math.min(100,Math.max(t,0)),this.intendedVolume=t,this.persistConfig&&g.Config.persist("volume",t);var i=function(){e.container.isReady?e.container.setVolume(t):e.listenToOnce(e.container,v.default.CONTAINER_READY,function(){e.container.setVolume(t)})};this.container?i():this.listenToOnce(this,v.default.MEDIACONTROL_CONTAINERCHANGED,function(){i()})},e.prototype.toggleFullscreen=function(){this.trigger(v.default.MEDIACONTROL_FULLSCREEN,this.name),this.container.fullscreen(),this.resetUserKeepVisible()},e.prototype.setContainer=function(t){this.container&&(this.stopListening(this.container),this.fullScreenOnVideoTagSupported=null),R.default.off(this.options.playerId+":"+v.default.PLAYER_RESIZE,this.playerResize,this),this.container=t,this.setVolume(this.intendedVolume),this.changeTogglePlay(),this.addEventListeners(),this.settingsUpdate(),this.container.trigger(v.default.CONTAINER_PLAYBACKDVRSTATECHANGED,this.container.isDvrInUse()),this.container.mediaControlDisabled&&this.disable(),this.trigger(v.default.MEDIACONTROL_CONTAINERCHANGED)},e.prototype.showVolumeBar=function(){this.hideVolumeId&&clearTimeout(this.hideVolumeId),this.$volumeBarContainer.removeClass("volume-bar-hide")},e.prototype.hideVolumeBar=function(){var t=this,e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:400;this.$volumeBarContainer&&(this.draggingVolumeBar?this.hideVolumeId=setTimeout(function(){return t.hideVolumeBar()},e):(this.hideVolumeId&&clearTimeout(this.hideVolumeId),this.hideVolumeId=setTimeout(function(){return t.$volumeBarContainer.addClass("volume-bar-hide")},e)))},e.prototype.ended=function(){this.changeTogglePlay()},e.prototype.updateProgressBar=function(t){var e=t.start/t.total*100,i=t.current/t.total*100;this.$seekBarLoaded.css({left:e+"%",width:i-e+"%"})},e.prototype.onTimeUpdate=function(t){if(!this.draggingSeekBar){var e=t.current<0?t.total:t.current;this.currentPositionValue=e,this.currentDurationValue=t.total,this.renderSeekBar()}},e.prototype.renderSeekBar=function(){if(null!==this.currentPositionValue&&null!==this.currentDurationValue){this.currentSeekBarPercentage=100,(this.container.getPlaybackType()!==I.default.LIVE||this.container.isDvrInUse())&&(this.currentSeekBarPercentage=this.currentPositionValue/this.currentDurationValue*100),this.setSeekPercentage(this.currentSeekBarPercentage);var t=(0,g.formatTime)(this.currentPositionValue),e=(0,g.formatTime)(this.currentDurationValue);t!==this.displayedPosition&&(this.$position.text(t),this.displayedPosition=t),e!==this.displayedDuration&&(this.$duration.text(e),this.displayedDuration=e)}},e.prototype.seek=function(t){if(this.settings.seekEnabled){var e=t.pageX-this.$seekBarContainer.offset().left,i=e/this.$seekBarContainer.width()*100;return i=Math.min(100,Math.max(i,0)),this.container.seekPercentage(i),this.setSeekPercentage(i),!1}},e.prototype.setKeepVisible=function(){this.keepVisible=!0},e.prototype.resetKeepVisible=function(){this.keepVisible=!1},e.prototype.setUserKeepVisible=function(){this.userKeepVisible=!0},e.prototype.resetUserKeepVisible=function(){this.userKeepVisible=!1},e.prototype.isVisible=function(){return!this.$el.hasClass("media-control-hide")},e.prototype.show=function(t){var e=this;if(!this.disabled){(!t||t.clientX!==this.lastMouseX&&t.clientY!==this.lastMouseY||navigator.userAgent.match(/firefox/i))&&(clearTimeout(this.hideId),this.$el.show(),this.trigger(v.default.MEDIACONTROL_SHOW,this.name),this.$el.removeClass("media-control-hide"),this.hideId=setTimeout(function(){return e.hide()},2e3),t&&(this.lastMouseX=t.clientX,this.lastMouseY=t.clientY))}},e.prototype.hide=function(){var t=this,e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;if(this.isVisible()&&(!S.default.isMobile||this.container.isPlaying())){var i=e||2e3;clearTimeout(this.hideId),(this.disabled||!1!==this.options.hideMediaControl)&&(!this.disabled&&(e||this.userKeepVisible||this.keepVisible||this.draggingSeekBar||this.draggingVolumeBar)?this.hideId=setTimeout(function(){return t.hide()},i):(this.trigger(v.default.MEDIACONTROL_HIDE,this.name),this.$el.addClass("media-control-hide"),this.hideVolumeBar(0)))}},e.prototype.settingsUpdate=function(){var t=this.getSettings();!t||this.fullScreenOnVideoTagSupported||g.Fullscreen.fullscreenEnabled()||(t.default&&(0,g.removeArrayItem)(t.default,"fullscreen"),t.left&&(0,g.removeArrayItem)(t.left,"fullscreen"),t.right&&(0,g.removeArrayItem)(t.right,"fullscreen")),(0,o.default)(this.settings)!==(0,o.default)(t)&&(this.settings=t,this.render())},e.prototype.getSettings=function(){return O.default.extend(!0,{},this.container.settings)},e.prototype.highDefinitionUpdate=function(t){var e=t?"addClass":"removeClass";this.$hdIndicator[e]("enabled")},e.prototype.createCachedElements=function(){var t=this.$el.find(".media-control-layer");this.$duration=t.find(".media-control-indicator[data-duration]"),this.$fullscreenToggle=t.find("button.media-control-button[data-fullscreen]"),this.$playPauseToggle=t.find("button.media-control-button[data-playpause]"),this.$playStopToggle=t.find("button.media-control-button[data-playstop]"),this.$position=t.find(".media-control-indicator[data-position]"),this.$seekBarContainer=t.find(".bar-container[data-seekbar]"),this.$seekBarHover=t.find(".bar-hover[data-seekbar]"),this.$seekBarLoaded=t.find(".bar-fill-1[data-seekbar]"),this.$seekBarPosition=t.find(".bar-fill-2[data-seekbar]"),this.$seekBarScrubber=t.find(".bar-scrubber[data-seekbar]"),this.$volumeBarContainer=t.find(".bar-container[data-volume]"),this.$volumeContainer=t.find(".drawer-container[data-volume]"),this.$volumeIcon=t.find(".drawer-icon[data-volume]"),this.$volumeBarBackground=this.$el.find(".bar-background[data-volume]"),this.$volumeBarFill=this.$el.find(".bar-fill-1[data-volume]"),this.$volumeBarScrubber=this.$el.find(".bar-scrubber[data-volume]"),this.$hdIndicator=this.$el.find("button.media-control-button[data-hd-indicator]"),this.resetIndicators(),this.initializeIcons()},e.prototype.resetIndicators=function(){this.displayedPosition=this.$position.text(),this.displayedDuration=this.$duration.text()},e.prototype.initializeIcons=function(){var t=this.$el.find(".media-control-layer");t.find("button.media-control-button[data-play]").append(B.default),t.find("button.media-control-button[data-pause]").append(G.default),t.find("button.media-control-button[data-stop]").append(V.default),this.$playPauseToggle.append(B.default),this.$playStopToggle.append(B.default),this.$volumeIcon.append(j.default),this.$fullscreenToggle.append(W.default),this.$hdIndicator.append(J.default)},e.prototype.setSeekPercentage=function(t){t=Math.max(Math.min(t,100),0),this.displayedSeekBarPercentage!==t&&(this.displayedSeekBarPercentage=t,this.$seekBarPosition.removeClass("media-control-notransition"),this.$seekBarScrubber.removeClass("media-control-notransition"),this.$seekBarPosition.css({width:t+"%"}),this.$seekBarScrubber.css({left:t+"%"}))},e.prototype.seekRelative=function(t){if(this.settings.seekEnabled){var e=this.container.getCurrentTime(),i=this.container.getDuration(),n=Math.min(Math.max(e+t,0),i);n=Math.min(100*n/i,100),this.container.seekPercentage(n)}},e.prototype.bindKeyAndShow=function(t,e){var i=this;this.kibo.down(t,function(){return i.show(),e()})},e.prototype.bindKeyEvents=function(){var t=this;this.unbindKeyEvents(),this.kibo=new y.Kibo(this.options.focusElement),this.bindKeyAndShow("space",function(){return t.togglePlayPause()}),this.bindKeyAndShow("left",function(){return t.seekRelative(-5)}),this.bindKeyAndShow("right",function(){return t.seekRelative(5)}),this.bindKeyAndShow("shift left",function(){return t.seekRelative(-10)}),this.bindKeyAndShow("shift right",function(){return t.seekRelative(10)}),this.bindKeyAndShow("shift ctrl left",function(){return t.seekRelative(-15)}),this.bindKeyAndShow("shift ctrl right",function(){return t.seekRelative(15)}),["1","2","3","4","5","6","7","8","9","0"].forEach(function(e){t.bindKeyAndShow(e,function(){return t.settings.seekEnabled&&t.container.seekPercentage(10*e)})})},e.prototype.unbindKeyEvents=function(){this.kibo&&(this.kibo.off("space"),this.kibo.off("left"),this.kibo.off("right"),this.kibo.off("shift left"),this.kibo.off("shift right"),this.kibo.off("shift ctrl left"),this.kibo.off("shift ctrl right"),this.kibo.off(["1","2","3","4","5","6","7","8","9","0"]))},e.prototype.parseColors=function(){if(this.options.mediacontrol){this.buttonsColor=this.options.mediacontrol.buttons;var t=this.options.mediacontrol.seekbar;this.$el.find(".bar-fill-2[data-seekbar]").css("background-color",t),this.$el.find(".media-control-icon svg path").css("fill",this.buttonsColor),this.$el.find(".segmented-bar-element[data-volume]").css("boxShadow","inset 2px 0 0 "+this.buttonsColor)}},e.prototype.applyButtonStyle=function(t){this.buttonsColor&&t&&(0,O.default)(t).find("svg path").css("fill",this.buttonsColor)},e.prototype.destroy=function(){this.remove(),(0,O.default)(document).unbind("mouseup",this.stopDragHandler),(0,O.default)(document).unbind("mousemove",this.updateDragHandler),this.unbindKeyEvents()},e.prototype.render=function(){var t=this;this.$el.html(this.template({settings:this.settings})),this.$el.append(this.stylesheet),this.createCachedElements(),this.$playPauseToggle.addClass("paused"),this.$playStopToggle.addClass("stopped"),this.changeTogglePlay(),this.hideId=setTimeout(function(){return t.hide()},1e3),this.disabled&&this.hide(),S.default.isSafari&&S.default.isMobile&&(S.default.version<10?this.$volumeContainer.css("display","none"):this.$volumeBarContainer.css("display","none")),this.$seekBarPosition.addClass("media-control-notransition"),this.$seekBarScrubber.addClass("media-control-notransition");var e=0;return this.displayedSeekBarPercentage&&(e=this.displayedSeekBarPercentage),this.displayedSeekBarPercentage=null,this.setSeekPercentage(e),n.nextTick(function(){t.settings.seekEnabled||t.$seekBarContainer.addClass("seek-disabled"),S.default.isMobile||t.options.disableKeyboardShortcuts||t.bindKeyEvents(),t.playerResize({width:t.options.width,height:t.options.height}),t.hideVolumeBar(0)}),this.parseColors(),this.highDefinitionUpdate(),this.rendered=!0,this.updateVolumeUI(),this.trigger(v.default.MEDIACONTROL_RENDERED),this},e}(T.default);e.default=Q,Q.extend=function(t){return(0,g.extend)(Q,t)},t.exports=e.default}).call(e,i(57))},function(t,e,i){t.exports={default:i(140),__esModule:!0}},function(t,e,i){var n=i(11),r=n.JSON||(n.JSON={stringify:JSON.stringify});t.exports=function(t){return r.stringify.apply(r,arguments)}},function(t,e,i){e=t.exports=i(10)(void 0),e.push([t.i,".media-control-notransition{-webkit-transition:none!important;-moz-transition:none!important;transition:none!important}.media-control[data-media-control]{position:absolute;width:100%;height:100%;z-index:9999;pointer-events:none}.media-control[data-media-control].dragging{pointer-events:auto;cursor:-webkit-grabbing!important;cursor:grabbing!important;cursor:url("+i(75)+"),move}.media-control[data-media-control].dragging *{cursor:-webkit-grabbing!important;cursor:grabbing!important;cursor:url("+i(75)+'),move}.media-control[data-media-control] .media-control-background[data-background]{position:absolute;height:40%;width:100%;bottom:0;background:-webkit-linear-gradient(transparent,rgba(0,0,0,.9));background:linear-gradient(transparent,rgba(0,0,0,.9));-webkit-transition:opacity .6s ease-out;-moz-transition:opacity .6s ease-out;transition:opacity .6s ease-out}.media-control[data-media-control] .media-control-icon{line-height:0;letter-spacing:0;speak:none;color:#fff;opacity:.5;vertical-align:middle;text-align:left;-webkit-transition:all .1s ease;-moz-transition:all .1s ease;transition:all .1s ease}.media-control[data-media-control] .media-control-icon:hover{color:#fff;opacity:.75;text-shadow:hsla(0,0%,100%,.8) 0 0 5px}.media-control[data-media-control].media-control-hide .media-control-background[data-background]{opacity:0}.media-control[data-media-control].media-control-hide .media-control-layer[data-controls]{bottom:-50px}.media-control[data-media-control].media-control-hide .media-control-layer[data-controls] .bar-container[data-seekbar] .bar-scrubber[data-seekbar]{opacity:0}.media-control[data-media-control] .media-control-layer[data-controls]{position:absolute;bottom:7px;width:100%;height:32px;font-size:0;vertical-align:middle;pointer-events:auto;-webkit-transition:bottom .4s ease-out;-moz-transition:bottom .4s ease-out;transition:bottom .4s 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.media-control-layer[data-controls] button.media-control-button:focus{outline:none}.media-control[data-media-control] .media-control-layer[data-controls] button.media-control-button[data-pause],.media-control[data-media-control] .media-control-layer[data-controls] button.media-control-button[data-play],.media-control[data-media-control] .media-control-layer[data-controls] button.media-control-button[data-stop]{float:left;height:100%}.media-control[data-media-control] .media-control-layer[data-controls] button.media-control-button[data-fullscreen]{float:right;background-color:transparent;border:0;height:100%}.media-control[data-media-control] .media-control-layer[data-controls] button.media-control-button[data-hd-indicator]{background-color:transparent;border:0;cursor:default;display:none;float:right;height:100%}.media-control[data-media-control] .media-control-layer[data-controls] button.media-control-button[data-hd-indicator].enabled{display:block;opacity:1}.media-control[data-media-control] .media-control-layer[data-controls] button.media-control-button[data-hd-indicator].enabled:hover{opacity:1;text-shadow:none}.media-control[data-media-control] .media-control-layer[data-controls] button.media-control-button[data-playpause],.media-control[data-media-control] .media-control-layer[data-controls] button.media-control-button[data-playstop]{float:left}.media-control[data-media-control] .media-control-layer[data-controls] .media-control-indicator[data-duration],.media-control[data-media-control] .media-control-layer[data-controls] .media-control-indicator[data-position]{display:inline-block;font-size:10px;color:#fff;cursor:default;line-height:32px;position:relative}.media-control[data-media-control] .media-control-layer[data-controls] .media-control-indicator[data-position]{margin:0 6px 0 7px}.media-control[data-media-control] .media-control-layer[data-controls] .media-control-indicator[data-duration]{color:hsla(0,0%,100%,.5);margin-right:6px}.media-control[data-media-control] .media-control-layer[data-controls] .media-control-indicator[data-duration]:before{content:"|";margin-right:7px}.media-control[data-media-control] .media-control-layer[data-controls] .bar-container[data-seekbar]{position:absolute;top:-20px;left:0;display:inline-block;vertical-align:middle;width:100%;height:25px;cursor:pointer}.media-control[data-media-control] .media-control-layer[data-controls] .bar-container[data-seekbar] .bar-background[data-seekbar]{width:100%;height:1px;position:relative;top:12px;background-color:#666}.media-control[data-media-control] .media-control-layer[data-controls] .bar-container[data-seekbar] .bar-background[data-seekbar] .bar-fill-1[data-seekbar]{position:absolute;top:0;left:0;width:0;height:100%;background-color:#c2c2c2;-webkit-transition:all .1s ease-out;-moz-transition:all .1s ease-out;transition:all .1s ease-out}.media-control[data-media-control] .media-control-layer[data-controls] .bar-container[data-seekbar] .bar-background[data-seekbar] .bar-fill-2[data-seekbar]{position:absolute;top:0;left:0;width:0;height:100%;background-color:#005aff;-webkit-transition:all .1s ease-out;-moz-transition:all .1s ease-out;transition:all .1s ease-out}.media-control[data-media-control] .media-control-layer[data-controls] .bar-container[data-seekbar] .bar-background[data-seekbar] .bar-hover[data-seekbar]{opacity:0;position:absolute;top:-3px;width:5px;height:7px;background-color:hsla(0,0%,100%,.5);-webkit-transition:opacity .1s ease;-moz-transition:opacity .1s ease;transition:opacity .1s ease}.media-control[data-media-control] .media-control-layer[data-controls] .bar-container[data-seekbar]:hover .bar-background[data-seekbar] .bar-hover[data-seekbar]{opacity:1}.media-control[data-media-control] .media-control-layer[data-controls] .bar-container[data-seekbar].seek-disabled{cursor:default}.media-control[data-media-control] .media-control-layer[data-controls] .bar-container[data-seekbar].seek-disabled:hover .bar-background[data-seekbar] .bar-hover[data-seekbar]{opacity:0}.media-control[data-media-control] .media-control-layer[data-controls] .bar-container[data-seekbar] .bar-scrubber[data-seekbar]{position:absolute;-webkit-transform:translateX(-50%);-moz-transform:translateX(-50%);-ms-transform:translateX(-50%);-o-transform:translateX(-50%);transform:translateX(-50%);top:2px;left:0;width:20px;height:20px;opacity:1;-webkit-transition:all .1s ease-out;-moz-transition:all .1s ease-out;transition:all .1s ease-out}.media-control[data-media-control] .media-control-layer[data-controls] .bar-container[data-seekbar] .bar-scrubber[data-seekbar] .bar-scrubber-icon[data-seekbar]{position:absolute;left:6px;top:6px;width:8px;height:8px;border-radius:10px;box-shadow:0 0 0 6px hsla(0,0%,100%,.2);background-color:#fff}.media-control[data-media-control] .media-control-layer[data-controls] .drawer-container[data-volume]{float:right;display:inline-block;height:32px;cursor:pointer;margin:0 6px;box-sizing:border-box}.media-control[data-media-control] .media-control-layer[data-controls] .drawer-container[data-volume] .drawer-icon-container[data-volume]{float:left;bottom:0}.media-control[data-media-control] .media-control-layer[data-controls] .drawer-container[data-volume] .drawer-icon-container[data-volume] .drawer-icon[data-volume]{background-color:transparent;border:0;box-sizing:content-box;width:32px;height:32px;opacity:.5}.media-control[data-media-control] .media-control-layer[data-controls] .drawer-container[data-volume] .drawer-icon-container[data-volume] .drawer-icon[data-volume]:hover{opacity:.75}.media-control[data-media-control] .media-control-layer[data-controls] .drawer-container[data-volume] .drawer-icon-container[data-volume] .drawer-icon[data-volume] svg{height:24px;position:relative;top:3px}.media-control[data-media-control] .media-control-layer[data-controls] .drawer-container[data-volume] .drawer-icon-container[data-volume] .drawer-icon[data-volume] svg path{fill:#fff}.media-control[data-media-control] .media-control-layer[data-controls] .drawer-container[data-volume] .drawer-icon-container[data-volume] .drawer-icon[data-volume].muted svg{margin-left:2px}.media-control[data-media-control] .media-control-layer[data-controls] .drawer-container[data-volume] .bar-container[data-volume]{float:left;position:relative;overflow:hidden;top:6px;width:42px;height:18px;padding:3px 0;-webkit-transition:width .2s ease-out;-moz-transition:width .2s ease-out;transition:width .2s ease-out}.media-control[data-media-control] .media-control-layer[data-controls] .drawer-container[data-volume] .bar-container[data-volume] .bar-background[data-volume]{height:1px;position:relative;top:7px;margin:0 3px;background-color:#666}.media-control[data-media-control] .media-control-layer[data-controls] .drawer-container[data-volume] .bar-container[data-volume] .bar-background[data-volume] .bar-fill-1[data-volume]{position:absolute;top:0;left:0;width:0;height:100%;background-color:#c2c2c2;-webkit-transition:all .1s ease-out;-moz-transition:all .1s ease-out;transition:all .1s ease-out}.media-control[data-media-control] .media-control-layer[data-controls] .drawer-container[data-volume] .bar-container[data-volume] .bar-background[data-volume] .bar-fill-2[data-volume]{position:absolute;top:0;left:0;width:0;height:100%;background-color:#005aff;-webkit-transition:all .1s ease-out;-moz-transition:all .1s ease-out;transition:all .1s ease-out}.media-control[data-media-control] .media-control-layer[data-controls] .drawer-container[data-volume] .bar-container[data-volume] .bar-background[data-volume] .bar-hover[data-volume]{opacity:0;position:absolute;top:-3px;width:5px;height:7px;background-color:hsla(0,0%,100%,.5);-webkit-transition:opacity .1s ease;-moz-transition:opacity .1s ease;transition:opacity .1s ease}.media-control[data-media-control] .media-control-layer[data-controls] .drawer-container[data-volume] .bar-container[data-volume] .bar-scrubber[data-volume]{position:absolute;-webkit-transform:translateX(-50%);-moz-transform:translateX(-50%);-ms-transform:translateX(-50%);-o-transform:translateX(-50%);transform:translateX(-50%);top:0;left:0;width:20px;height:20px;opacity:1;-webkit-transition:all .1s ease-out;-moz-transition:all .1s ease-out;transition:all .1s ease-out}.media-control[data-media-control] .media-control-layer[data-controls] .drawer-container[data-volume] .bar-container[data-volume] .bar-scrubber[data-volume] .bar-scrubber-icon[data-volume]{position:absolute;left:6px;top:6px;width:8px;height:8px;border-radius:10px;box-shadow:0 0 0 6px hsla(0,0%,100%,.2);background-color:#fff}.media-control[data-media-control] .media-control-layer[data-controls] .drawer-container[data-volume] .bar-container[data-volume] .segmented-bar-element[data-volume]{float:left;width:4px;padding-left:2px;height:12px;opacity:.5;box-shadow:inset 2px 0 0 #fff;-webkit-transition:-webkit-transform .2s ease-out;-moz-transition:-moz-transform .2s ease-out;transition:transform .2s ease-out}.media-control[data-media-control] .media-control-layer[data-controls] .drawer-container[data-volume] .bar-container[data-volume] .segmented-bar-element[data-volume].fill{box-shadow:inset 2px 0 0 #fff;opacity:1}.media-control[data-media-control] .media-control-layer[data-controls] .drawer-container[data-volume] .bar-container[data-volume] .segmented-bar-element[data-volume]:first-of-type{padding-left:0}.media-control[data-media-control] .media-control-layer[data-controls] .drawer-container[data-volume] .bar-container[data-volume] .segmented-bar-element[data-volume]:hover{-webkit-transform:scaleY(1.5);-moz-transform:scaleY(1.5);-ms-transform:scaleY(1.5);-o-transform:scaleY(1.5);transform:scaleY(1.5)}.media-control[data-media-control].w320 .media-control-layer[data-controls] .drawer-container[data-volume] .bar-container[data-volume].volume-bar-hide{width:0;height:12px;top:9px;padding:0}',""])},function(t,e){t.exports='<div class="media-control-background" data-background></div>\n<div class="media-control-layer" data-controls>\n <% var renderBar = function(name) { %>\n <div class="bar-container" data-<%= name %>>\n <div class="bar-background" data-<%= name %>>\n <div class="bar-fill-1" data-<%= name %>></div>\n <div class="bar-fill-2" data-<%= name %>></div>\n <div class="bar-hover" data-<%= name %>></div>\n </div>\n <div class="bar-scrubber" data-<%= name %>>\n <div class="bar-scrubber-icon" data-<%= name %>></div>\n </div>\n </div>\n <% }; %>\n <% var renderSegmentedBar = function(name, segments) {\n segments = 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this.el.duration},e.prototype._onTimeUpdate=function(){this.getPlaybackType()===E.default.LIVE?this.trigger(k.default.PLAYBACK_TIMEUPDATE,{current:1,total:1},this.name):this.trigger(k.default.PLAYBACK_TIMEUPDATE,{current:this.el.currentTime,total:this.el.duration},this.name)},e.prototype._onProgress=function(){if(this.el.buffered.length){for(var t=[],e=0,i=0;i<this.el.buffered.length;i++)t=[].concat((0,y.default)(t),[{start:this.el.buffered.start(i),end:this.el.buffered.end(i)}]),this.el.currentTime>=t[i].start&&this.el.currentTime<=t[i].end&&(e=i);var n={start:t[e].start,current:t[e].end,total:this.el.duration};this.trigger(k.default.PLAYBACK_PROGRESS,n,t)}},e.prototype._typeFor=function(t){var i=e._mimeTypesForUrl(t,M,this.options.mimeType);return 0==i.length&&(i=e._mimeTypesForUrl(t,F,this.options.mimeType)),(i[0]||"").split(";")[0]},e.prototype._ready=function(){this._isReadyState||(this._isReadyState=!0,this.trigger(k.default.PLAYBACK_READY,this.name))},e.prototype._checkForClosedCaptions=function(){if(this.isHTML5Video&&!this._ccIsSetup){if(this.hasClosedCaptionsTracks){this.trigger(k.default.PLAYBACK_SUBTITLE_AVAILABLE);var t=this.closedCaptionsTrackId;this.closedCaptionsTrackId=t,this.handleTextTrackChange=this._handleTextTrackChange.bind(this),this.el.textTracks.addEventListener("change",this.handleTextTrackChange)}this._ccIsSetup=!0}},e.prototype._handleTextTrackChange=function(){var t=this.closedCaptionsTracks,e=t.find(function(t){return"showing"===t.track.mode})||{id:-1};this._ccTrackId!==e.id&&(this._ccTrackId=e.id,this.trigger(k.default.PLAYBACK_SUBTITLE_CHANGED,{id:e.id}))},e.prototype.render=function(){var t=A.default.getStyleFor(C.default);return this.options.playback.disableContextMenu&&this.$el.on("contextmenu",function(){return!1}),this._externalTracks&&this._externalTracks.length>0&&this.$el.html(this.template({tracks:this._externalTracks})),this.$el.append(t),this._ready(),this},(0,h.default)(e,[{key:"isReady",get:function(){return this._isReadyState}},{key:"isHTML5Video",get:function(){return this.name===e.prototype.name}},{key:"closedCaptionsTracks",get:function(){var t=0,e=function(){return t++};return(this.el.textTracks?(0,o.default)(this.el.textTracks):[]).filter(function(t){return"subtitles"===t.kind||"captions"===t.kind}).map(function(t){return{id:e(),name:t.label,track:t}})}},{key:"closedCaptionsTrackId",get:function(){return this._ccTrackId},set:function(t){if((0,b.isNumber)(t)){var e=this.closedCaptionsTracks,i=void 0;if(-1!==t){if(!(i=e.find(function(e){return e.id===t})))return;if("showing"===i.track.mode)return}e.filter(function(t){return"hidden"!==t.track.mode}).forEach(function(t){return t.track.mode="hidden"}),i&&(i.track.mode="showing"),this._ccTrackId=t,this.trigger(k.default.PLAYBACK_SUBTITLE_CHANGED,{id:t})}}},{key:"template",get:function(){return(0,P.default)(N.default)}}]),e}(E.default);e.default=U,U._mimeTypesForUrl=function(t,e,i){var n=(t.split("?")[0].match(/.*\.(.*)$/)||[])[1],r=i||n&&e[n.toLowerCase()]||[];return r.constructor===Array?r:[r]},U._canPlay=function(t,e,i,n){var r=U._mimeTypesForUrl(i,e,n),a=document.createElement(t);return!!r.filter(function(t){return!!a.canPlayType(t).replace(/no/,"")})[0]},U.canPlay=function(t,e){return U._canPlay("audio",F,t,e)||U._canPlay("video",M,t,e)},t.exports=e.default}).call(e,i(57))},function(t,e,i){i(65),i(154),t.exports=i(11).Array.from},function(t,e,i){"use strict";var n=i(46),r=i(19),a=i(39),o=i(155),s=i(156),l=i(61),u=i(157),d=i(158);r(r.S+r.F*!i(160)(function(t){Array.from(t)}),"Array",{from:function(t){var e,i,r,c,h=a(t),f="function"==typeof this?this:Array,p=arguments.length,g=p>1?arguments[1]:void 0,y=void 0!==g,m=0,v=d(h);if(y&&(g=n(g,p>2?arguments[2]:void 0,2)),void 0==v||f==Array&&s(v))for(e=l(h.length),i=new f(e);e>m;m++)u(i,m,y?g(h[m],m):h[m]);else for(c=v.call(h),i=new f;!(r=c.next()).done;m++)u(i,m,y?o(c,g,[r.value,m],!0):r.value);return i.length=m,i}})},function(t,e,i){var n=i(23);t.exports=function(t,e,i,r){try{return r?e(n(i)[0],i[1]):e(i)}catch(e){var a=t.return;throw void 0!==a&&n(a.call(t)),e}}},function(t,e,i){var n=i(29),r=i(12)("iterator"),a=Array.prototype;t.exports=function(t){return void 0!==t&&(n.Array===t||a[r]===t)}},function(t,e,i){"use strict";var n=i(16),r=i(28);t.exports=function(t,e,i){e in t?n.f(t,e,r(0,i)):t[e]=i}},function(t,e,i){var n=i(159),r=i(12)("iterator"),a=i(29);t.exports=i(11).getIteratorMethod=function(t){if(void 0!=t)return t[r]||t["@@iterator"]||a[n(t)]}},function(t,e,i){var n=i(41),r=i(12)("toStringTag"),a="Arguments"==n(function(){return arguments}()),o=function(t,e){try{return t[e]}catch(t){}};t.exports=function(t){var e,i,s;return void 0===t?"Undefined":null===t?"Null":"string"==typeof(i=o(e=Object(t),r))?i:a?n(e):"Object"==(s=n(e))&&"function"==typeof e.callee?"Arguments":s}},function(t,e,i){var n=i(12)("iterator"),r=!1;try{var a=[7][n]();a.return=function(){r=!0},Array.from(a,function(){throw 2})}catch(t){}t.exports=function(t,e){if(!e&&!r)return!1;var i=!1;try{var a=[7],o=a[n]();o.next=function(){return{done:i=!0}},a[n]=function(){return o},t(a)}catch(t){}return i}},function(t,e,i){e=t.exports=i(10)(void 0),e.push([t.i,"[data-html5-video]{position:absolute;height:100%;width:100%;display:block}",""])},function(t,e){t.exports='<% for (var i = 0; i < tracks.length; i++) { %>\n <track data-html5-video-track="<%= i %>" kind="<%= tracks[i].kind %>" label="<%= tracks[i].label %>" srclang="<%= tracks[i].lang %>" src="<%= tracks[i].src %>" />\n<% }; %>\n'},function(t,e,i){"use strict";function n(t){return t&&t.__esModule?t:{default:t}}Object.defineProperty(e,"__esModule",{value:!0});var r=i(0),a=n(r),o=i(1),s=n(o),l=i(3),u=n(l),d=i(2),c=n(d),h=i(5),f=i(59),p=n(f),g=i(13),y=n(g),m=i(24),v=n(m),b=i(8),_=n(b),E=i(6),T=n(E),A=i(4),S=n(A),L=i(9),R=n(L),k=i(167),w=n(k),C=function(t){function e(){(0,a.default)(this,e);for(var i=arguments.length,n=Array(i),r=0;r<i;r++)n[r]=arguments[r];var o=(0,s.default)(this,t.call.apply(t,[this].concat(n)));return o._src=o.options.src,o._baseUrl=o.options.baseUrl,o._autoPlay=o.options.autoPlay,o.settings={default:["seekbar"]},o.settings.left=["playpause","position","duration"],o.settings.right=["fullscreen","volume"],o.settings.seekEnabled=!0,o._isReadyState=!1,o._addListeners(),o}return(0,c.default)(e,t),(0,u.default)(e,[{key:"name",get:function(){return"flash"}},{key:"swfPath",get:function(){return(0,_.default)(w.default)({baseUrl:this._baseUrl})}},{key:"ended",get:function(){return"ENDED"===this._currentState}},{key:"buffering",get:function(){return!!this._bufferingState&&"ENDED"!==this._currentState}}]),e.prototype._bootstrap=function(){var t=this;this.el.playerPlay?(this.el.width="100%",this.el.height="100%","PLAYING"===this._currentState?this._firstPlay():(this._currentState="IDLE",this._autoPlay&&this.play()),(0,T.default)('<div style="position: absolute; top: 0; left: 0; width: 100%; height: 100%" />').insertAfter(this.$el),this.getDuration()>0?this._metadataLoaded():v.default.once(this.uniqueId+":timeupdate",this._metadataLoaded,this)):(this._attempts=this._attempts||0,++this._attempts<=60?setTimeout(function(){return t._bootstrap()},50):this.trigger(S.default.PLAYBACK_ERROR,{message:"Max number of attempts reached"},this.name))},e.prototype._metadataLoaded=function(){this._isReadyState=!0,this.trigger(S.default.PLAYBACK_READY,this.name),this.trigger(S.default.PLAYBACK_SETTINGSUPDATE,this.name)},e.prototype.getPlaybackType=function(){return R.default.VOD},e.prototype.isHighDefinitionInUse=function(){return!1},e.prototype._updateTime=function(){this.trigger(S.default.PLAYBACK_TIMEUPDATE,{current:this.el.getPosition(),total:this.el.getDuration()},this.name)},e.prototype._addListeners=function(){v.default.on(this.uniqueId+":progress",this._progress,this),v.default.on(this.uniqueId+":timeupdate",this._updateTime,this),v.default.on(this.uniqueId+":statechanged",this._checkState,this),v.default.on(this.uniqueId+":flashready",this._bootstrap,this)},e.prototype.stopListening=function(){t.prototype.stopListening.call(this),v.default.off(this.uniqueId+":progress"),v.default.off(this.uniqueId+":timeupdate"),v.default.off(this.uniqueId+":statechanged"),v.default.off(this.uniqueId+":flashready")},e.prototype._checkState=function(){this._isIdle||"PAUSED"===this._currentState||("PLAYING_BUFFERING"!==this._currentState&&"PLAYING_BUFFERING"===this.el.getState()?(this._bufferingState=!0,this.trigger(S.default.PLAYBACK_BUFFERING,this.name),this._currentState="PLAYING_BUFFERING"):"PLAYING"===this.el.getState()?(this._bufferingState=!1,this.trigger(S.default.PLAYBACK_BUFFERFULL,this.name),this._currentState="PLAYING"):"IDLE"===this.el.getState()?this._currentState="IDLE":"ENDED"===this.el.getState()&&(this.trigger(S.default.PLAYBACK_ENDED,this.name),this.trigger(S.default.PLAYBACK_TIMEUPDATE,{current:0,total:this.el.getDuration()},this.name),this._currentState="ENDED",this._isIdle=!0))},e.prototype._progress=function(){"IDLE"!==this._currentState&&"ENDED"!==this._currentState&&this.trigger(S.default.PLAYBACK_PROGRESS,{start:0,current:this.el.getBytesLoaded(),total:this.el.getBytesTotal()})},e.prototype._firstPlay=function(){var t=this;this.el.playerPlay?(this._isIdle=!1,this.el.playerPlay(this._src),this.listenToOnce(this,S.default.PLAYBACK_BUFFERFULL,function(){return t._checkInitialSeek()}),this._currentState="PLAYING"):this.listenToOnce(this,S.default.PLAYBACK_READY,this._firstPlay)},e.prototype._checkInitialSeek=function(){var t=(0,h.seekStringToSeconds)(window.location.href);0!==t&&this.seekSeconds(t)},e.prototype.play=function(){this.trigger(S.default.PLAYBACK_PLAY_INTENT),"PAUSED"===this._currentState||"PLAYING_BUFFERING"===this._currentState?(this._currentState="PLAYING",this.el.playerResume(),this.trigger(S.default.PLAYBACK_PLAY,this.name)):"PLAYING"!==this._currentState&&(this._firstPlay(),this.trigger(S.default.PLAYBACK_PLAY,this.name))},e.prototype.volume=function(t){var e=this;this.isReady?this.el.playerVolume(t):this.listenToOnce(this,S.default.PLAYBACK_BUFFERFULL,function(){return e.volume(t)})},e.prototype.pause=function(){this._currentState="PAUSED",this.el.playerPause(),this.trigger(S.default.PLAYBACK_PAUSE,this.name)},e.prototype.stop=function(){this.el.playerStop(),this.trigger(S.default.PLAYBACK_STOP),this.trigger(S.default.PLAYBACK_TIMEUPDATE,{current:0,total:0},this.name)},e.prototype.isPlaying=function(){return!!(this.isReady&&this._currentState.indexOf("PLAYING")>-1)},e.prototype.getDuration=function(){return this.el.getDuration()},e.prototype.seekPercentage=function(t){var e=this;if(this.el.getDuration()>0){var i=this.el.getDuration()*(t/100);this.seek(i)}else this.listenToOnce(this,S.default.PLAYBACK_BUFFERFULL,function(){return e.seekPercentage(t)})},e.prototype.seek=function(t){var e=this;this.isReady&&this.el.playerSeek?(this.el.playerSeek(t),this.trigger(S.default.PLAYBACK_TIMEUPDATE,{current:t,total:this.el.getDuration()},this.name),"PAUSED"===this._currentState&&this.el.playerPause()):this.listenToOnce(this,S.default.PLAYBACK_BUFFERFULL,function(){return e.seek(t)})},e.prototype.destroy=function(){clearInterval(this.bootstrapId),t.prototype.stopListening.call(this),this.$el.remove()},(0,u.default)(e,[{key:"isReady",get:function(){return this._isReadyState}}]),e}(p.default);e.default=C,C.canPlay=function(t){if(y.default.hasFlash&&t&&t.constructor===String){var e=t.split("?")[0].match(/.*\.(.*)$/)||[];return e.length>1&&!y.default.isMobile&&e[1].toLowerCase().match(/^(mp4|mov|f4v|3gpp|3gp)$/)}return!1},t.exports=e.default},function(t,e,i){"use strict";function n(t){return t&&t.__esModule?t:{default:t}}Object.defineProperty(e,"__esModule",{value:!0});var r=i(0),a=n(r),o=i(3),s=n(o),l=i(1),u=n(l),d=i(2),c=n(d),h=i(9),f=n(h),p=i(7),g=n(p),y=i(8),m=n(y),v=i(13),b=n(v),_=i(165),E=n(_),T=i(166),A=n(T),S=function(t){function e(){return(0,a.default)(this,e),(0,u.default)(this,t.apply(this,arguments))}return(0,c.default)(e,t),e.prototype.setElement=function(t){this.$el=t,this.el=t[0]},e.prototype.render=function(){return this.$el.attr("data",this.swfPath),this.$el.html(this.template({cid:this.cid,swfPath:this.swfPath,baseUrl:this.baseUrl,playbackId:this.uniqueId,wmode:this.wmode,callbackName:"window.Clappr.flashlsCallbacks."+this.cid})),b.default.isIE&&(this.$("embed").remove(),b.default.isLegacyIE&&this.$el.attr("classid","clsid:d27cdb6e-ae6d-11cf-96b8-444553540000")),this.el.id=this.cid,this.$el.append(g.default.getStyleFor(A.default)),this},(0,s.default)(e,[{key:"tagName",get:function(){return"object"}},{key:"swfPath",get:function(){return""}},{key:"wmode",get:function(){return"transparent"}},{key:"template",get:function(){return(0,m.default)(E.default)}},{key:"attributes",get:function(){var t="application/x-shockwave-flash";return b.default.isLegacyIE&&(t=""),{class:"clappr-flash-playback",type:t,width:"100%",height:"100%",data:this.swfPath,"data-flash-playback":this.name}}}]),e}(f.default);e.default=S,t.exports=e.default},function(t,e){t.exports='<param name="movie" value="<%= swfPath %>">\n<param name="quality" value="autohigh">\n<param name="swliveconnect" value="true">\n<param name="allowScriptAccess" value="always">\n<param name="bgcolor" value="#000000">\n<param name="allowFullScreen" value="false">\n<param name="wmode" value="<%= wmode %>">\n<param name="tabindex" value="1">\n<param name="FlashVars" value="playbackId=<%= playbackId %>&callback=<%= callbackName %>">\n<embed\n name="<%= cid %>"\n type="application/x-shockwave-flash"\n disabled="disabled"\n tabindex="-1"\n enablecontextmenu="false"\n allowScriptAccess="always"\n quality="autohigh"\n pluginspage="http://www.macromedia.com/go/getflashplayer"\n wmode="<%= wmode %>"\n swliveconnect="true"\n allowfullscreen="false"\n bgcolor="#000000"\n FlashVars="playbackId=<%= playbackId %>&callback=<%= callbackName %>"\n data="<%= swfPath %>"\n src="<%= swfPath %>"\n width="100%"\n height="100%">\n</embed>\n'},function(t,e,i){e=t.exports=i(10)(void 0),e.push([t.i,".clappr-flash-playback[data-flash-playback]{display:block;position:absolute;top:0;left:0;height:100%;width:100%;pointer-events:none}",""])},function(t,e){t.exports="<%=baseUrl%>/4b76590b32dab62bc95c1b7951efae78.swf"},function(t,e,i){"use strict";function n(t){return t&&t.__esModule?t:{default:t}}Object.defineProperty(e,"__esModule",{value:!0});var r=i(0),a=n(r),o=i(3),s=n(o),l=i(1),u=n(l),d=i(2),c=n(d),h=i(4),f=n(h),p=i(9),g=n(p),y=i(35),m=n(y),v=function(t){function e(){return(0,a.default)(this,e),(0,u.default)(this,t.apply(this,arguments))}return(0,c.default)(e,t),e.prototype.updateSettings=function(){this.settings.left=["playpause","position","duration"],this.settings.seekEnabled=this.isSeekEnabled(),this.trigger(f.default.PLAYBACK_SETTINGSUPDATE)},e.prototype.getPlaybackType=function(){return g.default.AOD},(0,s.default)(e,[{key:"name",get:function(){return"html5_audio"}},{key:"tagName",get:function(){return"audio"}},{key:"isAudioOnly",get:function(){return!0}}]),e}(m.default);e.default=v,v.canPlay=function(t,e){var i={wav:["audio/wav"],mp3:["audio/mp3",'audio/mpeg;codecs="mp3"'],aac:['audio/mp4;codecs="mp4a.40.5"'],oga:["audio/ogg"]};return m.default._canPlay("audio",i,t,e)},t.exports=e.default},function(t,e,i){"use strict";function n(t){return t&&t.__esModule?t:{default:t}}Object.defineProperty(e,"__esModule",{value:!0});var r=i(0),a=n(r),o=i(1),s=n(o),l=i(3),u=n(l),d=i(2),c=n(d),h=i(59),f=n(h),p=i(4),g=n(p),y=i(8),m=n(y),v=i(9),b=n(v),_=i(24),E=n(_),T=i(13),A=n(T),S=i(170),L=n(S),R=i(171),k=n(R),w=i(6),C=n(w),I=function(t){function e(){(0,a.default)(this,e);for(var i=arguments.length,n=Array(i),r=0;r<i;r++)n[r]=arguments[r];var o=(0,s.default)(this,t.call.apply(t,[this].concat(n)));return o._src=o.options.src,o._baseUrl=o.options.baseUrl,o._initHlsParameters(o.options),o.highDefinition=!1,o._autoPlay=o.options.autoPlay,o._loop=o.options.loop,o._defaultSettings={left:["playstop"],default:["seekbar"],right:["fullscreen","volume","hd-indicator"],seekEnabled:!1},o.settings=C.default.extend({},o._defaultSettings),o._playbackType=b.default.LIVE,o._hasEnded=!1,o._addListeners(),o}return(0,c.default)(e,t),(0,u.default)(e,[{key:"name",get:function(){return"flashls"}},{key:"swfPath",get:function(){return(0,m.default)(k.default)({baseUrl:this._baseUrl})}},{key:"levels",get:function(){return this._levels||[]}},{key:"currentLevel",get:function(){return null===this._currentLevel||void 0===this._currentLevel?-1:this._currentLevel},set:function(t){this._currentLevel=t,this.trigger(g.default.PLAYBACK_LEVEL_SWITCH_START),this.el.playerSetCurrentLevel(t)}},{key:"ended",get:function(){return this._hasEnded}},{key:"buffering",get:function(){return!!this._bufferingState&&!this._hasEnded}}]),e.prototype._initHlsParameters=function(t){this._autoStartLoad=void 0===t.autoStartLoad||t.autoStartLoad,this._capLevelToStage=void 0!==t.capLevelToStage&&t.capLevelToStage,this._maxLevelCappingMode=void 0===t.maxLevelCappingMode?"downscale":t.maxLevelCappingMode,this._minBufferLength=void 0===t.minBufferLength?-1:t.minBufferLength,this._minBufferLengthCapping=void 0===t.minBufferLengthCapping?-1:t.minBufferLengthCapping,this._maxBufferLength=void 0===t.maxBufferLength?120:t.maxBufferLength,this._maxBackBufferLength=void 0===t.maxBackBufferLength?30:t.maxBackBufferLength,this._lowBufferLength=void 0===t.lowBufferLength?3:t.lowBufferLength,this._mediaTimePeriod=void 0===t.mediaTimePeriod?100:t.mediaTimePeriod,this._fpsDroppedMonitoringPeriod=void 0===t.fpsDroppedMonitoringPeriod?5e3:t.fpsDroppedMonitoringPeriod,this._fpsDroppedMonitoringThreshold=void 0===t.fpsDroppedMonitoringThreshold?.2:t.fpsDroppedMonitoringThreshold,this._capLevelonFPSDrop=void 0!==t.capLevelonFPSDrop&&t.capLevelonFPSDrop,this._smoothAutoSwitchonFPSDrop=void 0===t.smoothAutoSwitchonFPSDrop?this.capLevelonFPSDrop:t.smoothAutoSwitchonFPSDrop,this._switchDownOnLevelError=void 0===t.switchDownOnLevelError||t.switchDownOnLevelError,this._seekMode=void 0===t.seekMode?"ACCURATE":t.seekMode,this._keyLoadMaxRetry=void 0===t.keyLoadMaxRetry?3:t.keyLoadMaxRetry,this._keyLoadMaxRetryTimeout=void 0===t.keyLoadMaxRetryTimeout?64e3:t.keyLoadMaxRetryTimeout,this._fragmentLoadMaxRetry=void 0===t.fragmentLoadMaxRetry?3:t.fragmentLoadMaxRetry,this._fragmentLoadMaxRetryTimeout=void 0===t.fragmentLoadMaxRetryTimeout?4e3:t.fragmentLoadMaxRetryTimeout,this._fragmentLoadSkipAfterMaxRetry=void 0===t.fragmentLoadSkipAfterMaxRetry||t.fragmentLoadSkipAfterMaxRetry,this._maxSkippedFragments=void 0===t.maxSkippedFragments?5:t.maxSkippedFragments,this._flushLiveURLCache=void 0!==t.flushLiveURLCache&&t.flushLiveURLCache,this._initialLiveManifestSize=void 0===t.initialLiveManifestSize?1:t.initialLiveManifestSize,this._manifestLoadMaxRetry=void 0===t.manifestLoadMaxRetry?3:t.manifestLoadMaxRetry,this._manifestLoadMaxRetryTimeout=void 0===t.manifestLoadMaxRetryTimeout?64e3:t.manifestLoadMaxRetryTimeout,this._manifestRedundantLoadmaxRetry=void 0===t.manifestRedundantLoadmaxRetry?3:t.manifestRedundantLoadmaxRetry,this._startFromBitrate=void 0===t.startFromBitrate?-1:t.startFromBitrate,this._startFromLevel=void 0===t.startFromLevel?-1:t.startFromLevel,this._autoStartMaxDuration=void 0===t.autoStartMaxDuration?-1:t.autoStartMaxDuration,this._seekFromLevel=void 0===t.seekFromLevel?-1:t.seekFromLevel,this._useHardwareVideoDecoder=void 0!==t.useHardwareVideoDecoder&&t.useHardwareVideoDecoder,this._hlsLogEnabled=void 0===t.hlsLogEnabled||t.hlsLogEnabled,this._logDebug=void 0!==t.logDebug&&t.logDebug,this._logDebug2=void 0!==t.logDebug2&&t.logDebug2,this._logWarn=void 0===t.logWarn||t.logWarn,this._logError=void 0===t.logError||t.logError,this._hlsMinimumDvrSize=void 0===t.hlsMinimumDvrSize?60:t.hlsMinimumDvrSize},e.prototype._addListeners=function(){var t=this;E.default.on(this.cid+":flashready",function(){return t._bootstrap()}),E.default.on(this.cid+":timeupdate",function(e){return t._updateTime(e)}),E.default.on(this.cid+":playbackstate",function(e){return t._setPlaybackState(e)}),E.default.on(this.cid+":levelchanged",function(e){return t._levelChanged(e)}),E.default.on(this.cid+":error",function(e,i,n){return t._flashPlaybackError(e,i,n)}),E.default.on(this.cid+":fragmentloaded",function(e){return t._onFragmentLoaded(e)}),E.default.on(this.cid+":levelendlist",function(e){return t._onLevelEndlist(e)})},e.prototype.stopListening=function(){t.prototype.stopListening.call(this),E.default.off(this.cid+":flashready"),E.default.off(this.cid+":timeupdate"),E.default.off(this.cid+":playbackstate"),E.default.off(this.cid+":levelchanged"),E.default.off(this.cid+":playbackerror"),E.default.off(this.cid+":fragmentloaded"),E.default.off(this.cid+":manifestloaded"),E.default.off(this.cid+":levelendlist")},e.prototype._bootstrap=function(){var t=this;this.el.playerLoad?(this.el.width="100%",this.el.height="100%",this._isReadyState=!0,this._srcLoaded=!1,this._currentState="IDLE",this._setFlashSettings(),this._updatePlaybackType(),(this._autoPlay||this._shouldPlayOnManifestLoaded)&&this.play(),this.trigger(g.default.PLAYBACK_READY,this.name)):(this._bootstrapAttempts=this._bootstrapAttempts||0,++this._bootstrapAttempts<=60?setTimeout(function(){return t._bootstrap()},50):this.trigger(g.default.PLAYBACK_ERROR,{message:"Max number of attempts reached"},this.name))},e.prototype._setFlashSettings=function(){this.el.playerSetAutoStartLoad(this._autoStartLoad),this.el.playerSetCapLevelToStage(this._capLevelToStage),this.el.playerSetMaxLevelCappingMode(this._maxLevelCappingMode),this.el.playerSetMinBufferLength(this._minBufferLength),this.el.playerSetMinBufferLengthCapping(this._minBufferLengthCapping),this.el.playerSetMaxBufferLength(this._maxBufferLength),this.el.playerSetMaxBackBufferLength(this._maxBackBufferLength),this.el.playerSetLowBufferLength(this._lowBufferLength),this.el.playerSetMediaTimePeriod(this._mediaTimePeriod),this.el.playerSetFpsDroppedMonitoringPeriod(this._fpsDroppedMonitoringPeriod),this.el.playerSetFpsDroppedMonitoringThreshold(this._fpsDroppedMonitoringThreshold),this.el.playerSetCapLevelonFPSDrop(this._capLevelonFPSDrop),this.el.playerSetSmoothAutoSwitchonFPSDrop(this._smoothAutoSwitchonFPSDrop),this.el.playerSetSwitchDownOnLevelError(this._switchDownOnLevelError),this.el.playerSetSeekMode(this._seekMode),this.el.playerSetKeyLoadMaxRetry(this._keyLoadMaxRetry),this.el.playerSetKeyLoadMaxRetryTimeout(this._keyLoadMaxRetryTimeout),this.el.playerSetFragmentLoadMaxRetry(this._fragmentLoadMaxRetry),this.el.playerSetFragmentLoadMaxRetryTimeout(this._fragmentLoadMaxRetryTimeout),this.el.playerSetFragmentLoadSkipAfterMaxRetry(this._fragmentLoadSkipAfterMaxRetry),this.el.playerSetMaxSkippedFragments(this._maxSkippedFragments),this.el.playerSetFlushLiveURLCache(this._flushLiveURLCache),this.el.playerSetInitialLiveManifestSize(this._initialLiveManifestSize),this.el.playerSetManifestLoadMaxRetry(this._manifestLoadMaxRetry),this.el.playerSetManifestLoadMaxRetryTimeout(this._manifestLoadMaxRetryTimeout),this.el.playerSetManifestRedundantLoadmaxRetry(this._manifestRedundantLoadmaxRetry),this.el.playerSetStartFromBitrate(this._startFromBitrate),this.el.playerSetStartFromLevel(this._startFromLevel),this.el.playerSetAutoStartMaxDuration(this._autoStartMaxDuration),this.el.playerSetSeekFromLevel(this._seekFromLevel),this.el.playerSetUseHardwareVideoDecoder(this._useHardwareVideoDecoder),this.el.playerSetLogInfo(this._hlsLogEnabled),this.el.playerSetLogDebug(this._logDebug),this.el.playerSetLogDebug2(this._logDebug2),this.el.playerSetLogWarn(this._logWarn),this.el.playerSetLogError(this._logError)},e.prototype.setAutoStartLoad=function(t){this._autoStartLoad=t,this.el.playerSetAutoStartLoad(this._autoStartLoad)},e.prototype.setCapLevelToStage=function(t){this._capLevelToStage=t,this.el.playerSetCapLevelToStage(this._capLevelToStage)},e.prototype.setMaxLevelCappingMode=function(t){this._maxLevelCappingMode=t,this.el.playerSetMaxLevelCappingMode(this._maxLevelCappingMode)},e.prototype.setSetMinBufferLength=function(t){this._minBufferLength=t,this.el.playerSetMinBufferLength(this._minBufferLength)},e.prototype.setMinBufferLengthCapping=function(t){this._minBufferLengthCapping=t,this.el.playerSetMinBufferLengthCapping(this._minBufferLengthCapping)},e.prototype.setMaxBufferLength=function(t){this._maxBufferLength=t,this.el.playerSetMaxBufferLength(this._maxBufferLength)},e.prototype.setMaxBackBufferLength=function(t){this._maxBackBufferLength=t,this.el.playerSetMaxBackBufferLength(this._maxBackBufferLength)},e.prototype.setLowBufferLength=function(t){this._lowBufferLength=t,this.el.playerSetLowBufferLength(this._lowBufferLength)},e.prototype.setMediaTimePeriod=function(t){this._mediaTimePeriod=t,this.el.playerSetMediaTimePeriod(this._mediaTimePeriod)},e.prototype.setFpsDroppedMonitoringPeriod=function(t){this._fpsDroppedMonitoringPeriod=t,this.el.playerSetFpsDroppedMonitoringPeriod(this._fpsDroppedMonitoringPeriod)},e.prototype.setFpsDroppedMonitoringThreshold=function(t){this._fpsDroppedMonitoringThreshold=t,this.el.playerSetFpsDroppedMonitoringThreshold(this._fpsDroppedMonitoringThreshold)},e.prototype.setCapLevelonFPSDrop=function(t){this._capLevelonFPSDrop=t,this.el.playerSetCapLevelonFPSDrop(this._capLevelonFPSDrop)},e.prototype.setSmoothAutoSwitchonFPSDrop=function(t){this._smoothAutoSwitchonFPSDrop=t,this.el.playerSetSmoothAutoSwitchonFPSDrop(this._smoothAutoSwitchonFPSDrop)},e.prototype.setSwitchDownOnLevelError=function(t){this._switchDownOnLevelError=t,this.el.playerSetSwitchDownOnLevelError(this._switchDownOnLevelError)},e.prototype.setSeekMode=function(t){this._seekMode=t,this.el.playerSetSeekMode(this._seekMode)},e.prototype.setKeyLoadMaxRetry=function(t){this._keyLoadMaxRetry=t,this.el.playerSetKeyLoadMaxRetry(this._keyLoadMaxRetry)},e.prototype.setKeyLoadMaxRetryTimeout=function(t){this._keyLoadMaxRetryTimeout=t,this.el.playerSetKeyLoadMaxRetryTimeout(this._keyLoadMaxRetryTimeout)},e.prototype.setFragmentLoadMaxRetry=function(t){this._fragmentLoadMaxRetry=t,this.el.playerSetFragmentLoadMaxRetry(this._fragmentLoadMaxRetry)},e.prototype.setFragmentLoadMaxRetryTimeout=function(t){this._fragmentLoadMaxRetryTimeout=t,this.el.playerSetFragmentLoadMaxRetryTimeout(this._fragmentLoadMaxRetryTimeout)},e.prototype.setFragmentLoadSkipAfterMaxRetry=function(t){this._fragmentLoadSkipAfterMaxRetry=t,this.el.playerSetFragmentLoadSkipAfterMaxRetry(this._fragmentLoadSkipAfterMaxRetry)},e.prototype.setMaxSkippedFragments=function(t){this._maxSkippedFragments=t,this.el.playerSetMaxSkippedFragments(this._maxSkippedFragments)},e.prototype.setFlushLiveURLCache=function(t){this._flushLiveURLCache=t,this.el.playerSetFlushLiveURLCache(this._flushLiveURLCache)},e.prototype.setInitialLiveManifestSize=function(t){this._initialLiveManifestSize=t,this.el.playerSetInitialLiveManifestSize(this._initialLiveManifestSize)},e.prototype.setManifestLoadMaxRetry=function(t){this._manifestLoadMaxRetry=t,this.el.playerSetManifestLoadMaxRetry(this._manifestLoadMaxRetry)},e.prototype.setManifestLoadMaxRetryTimeout=function(t){this._manifestLoadMaxRetryTimeout=t,this.el.playerSetManifestLoadMaxRetryTimeout(this._manifestLoadMaxRetryTimeout)},e.prototype.setManifestRedundantLoadmaxRetry=function(t){this._manifestRedundantLoadmaxRetry=t,this.el.playerSetManifestRedundantLoadmaxRetry(this._manifestRedundantLoadmaxRetry)},e.prototype.setStartFromBitrate=function(t){this._startFromBitrate=t,this.el.playerSetStartFromBitrate(this._startFromBitrate)},e.prototype.setStartFromLevel=function(t){this._startFromLevel=t,this.el.playerSetStartFromLevel(this._startFromLevel)},e.prototype.setAutoStartMaxDuration=function(t){this._autoStartMaxDuration=t,this.el.playerSetAutoStartMaxDuration(this._autoStartMaxDuration)},e.prototype.setSeekFromLevel=function(t){this._seekFromLevel=t,this.el.playerSetSeekFromLevel(this._seekFromLevel)},e.prototype.setUseHardwareVideoDecoder=function(t){this._useHardwareVideoDecoder=t,this.el.playerSetUseHardwareVideoDecoder(this._useHardwareVideoDecoder)},e.prototype.setSetLogInfo=function(t){this._hlsLogEnabled=t,this.el.playerSetLogInfo(this._hlsLogEnabled)},e.prototype.setLogDebug=function(t){this._logDebug=t,this.el.playerSetLogDebug(this._logDebug)},e.prototype.setLogDebug2=function(t){this._logDebug2=t,this.el.playerSetLogDebug2(this._logDebug2)},e.prototype.setLogWarn=function(t){this._logWarn=t,this.el.playerSetLogWarn(this._logWarn)},e.prototype.setLogError=function(t){this._logError=t,this.el.playerSetLogError(this._logError)},e.prototype._levelChanged=function(t){var e=this.el.getLevels()[t];e&&(this.highDefinition=e.height>=720||e.bitrate/1e3>=2e3,this.trigger(g.default.PLAYBACK_HIGHDEFINITIONUPDATE,this.highDefinition),this._levels&&0!==this._levels.length||this._fillLevels(),this.trigger(g.default.PLAYBACK_BITRATE,{height:e.height,width:e.width,bandwidth:e.bitrate,bitrate:e.bitrate,level:t}),this.trigger(g.default.PLAYBACK_LEVEL_SWITCH_END))},e.prototype._updateTime=function(t){if("IDLE"!==this._currentState){var e=this._normalizeDuration(t.duration),i=Math.min(Math.max(t.position,0),e),n=this._dvrEnabled,r=this._playbackType===b.default.LIVE;this._dvrEnabled=r&&e>this._hlsMinimumDvrSize,100!==e&&void 0!==r&&(this._dvrEnabled!==n&&(this._updateSettings(),this.trigger(g.default.PLAYBACK_SETTINGSUPDATE,this.name)),!r||this._dvrEnabled&&this._dvrInUse||(i=e),this.trigger(g.default.PLAYBACK_TIMEUPDATE,{current:i,total:e},this.name))}},e.prototype.play=function(){this.trigger(g.default.PLAYBACK_PLAY_INTENT),"PAUSED"===this._currentState?this.el.playerResume():this._srcLoaded||"PLAYING"===this._currentState?this.el.playerPlay():this._firstPlay()},e.prototype.getPlaybackType=function(){return this._playbackType?this._playbackType:null},e.prototype.getCurrentTime=function(){return this.el.getPosition()},e.prototype.getCurrentLevelIndex=function(){return this._currentLevel},e.prototype.getCurrentLevel=function(){return this.levels[this.currentLevel]},e.prototype.getCurrentBitrate=function(){return this.levels[this.currentLevel].bitrate},e.prototype.setCurrentLevel=function(t){this.currentLevel=t},e.prototype.isHighDefinitionInUse=function(){return this.highDefinition},e.prototype.getLevels=function(){return this.levels},e.prototype._setPlaybackState=function(t){["PLAYING_BUFFERING","PAUSED_BUFFERING"].indexOf(t)>=0?(this._bufferingState=!0,this.trigger(g.default.PLAYBACK_BUFFERING,this.name),this._updateCurrentState(t)):["PLAYING","PAUSED"].indexOf(t)>=0?(["PLAYING_BUFFERING","PAUSED_BUFFERING","IDLE"].indexOf(this._currentState)>=0&&(this._bufferingState=!1,this.trigger(g.default.PLAYBACK_BUFFERFULL,this.name)),this._updateCurrentState(t)):"IDLE"===t&&(this._srcLoaded=!1,this._loop&&["PLAYING_BUFFERING","PLAYING"].indexOf(this._currentState)>=0?(this.play(),this.seek(0)):(this._updateCurrentState(t),this._hasEnded=!0,this.trigger(g.default.PLAYBACK_TIMEUPDATE,{current:0,total:this.getDuration()},this.name),this.trigger(g.default.PLAYBACK_ENDED,this.name)))},e.prototype._updateCurrentState=function(t){this._currentState=t,"IDLE"!==t&&(this._hasEnded=!1),this._updatePlaybackType(),"PLAYING"===t?this.trigger(g.default.PLAYBACK_PLAY,this.name):"PAUSED"===t&&this.trigger(g.default.PLAYBACK_PAUSE,this.name)},e.prototype._updatePlaybackType=function(){this._playbackType=this.el.getType(),this._playbackType&&(this._playbackType=this._playbackType.toLowerCase(),this._playbackType===b.default.VOD?this._startReportingProgress():this._stopReportingProgress()),this.trigger(g.default.PLAYBACK_PLAYBACKSTATE,{type:this._playbackType})},e.prototype._startReportingProgress=function(){this._reportingProgress||(this._reportingProgress=!0)},e.prototype._stopReportingProgress=function(){this._reportingProgress=!1},e.prototype._onFragmentLoaded=function(t){if(this.trigger(g.default.PLAYBACK_FRAGMENT_LOADED,t),this._reportingProgress&&this.getCurrentTime()){var e=this.getCurrentTime()+this.el.getbufferLength();this.trigger(g.default.PLAYBACK_PROGRESS,{start:this.getCurrentTime(),current:e,total:this.el.getDuration()})}},e.prototype._onLevelEndlist=function(){this._updatePlaybackType()},e.prototype._firstPlay=function(){var t=this;this._shouldPlayOnManifestLoaded=!0,this.el.playerLoad&&(E.default.once(this.cid+":manifestloaded",function(e,i){return t._manifestLoaded(e,i)}),this._setFlashSettings(),this.el.playerLoad(this._src),this._srcLoaded=!0)},e.prototype.volume=function(t){var e=this;this.isReady?this.el.playerVolume(t):this.listenToOnce(this,g.default.PLAYBACK_BUFFERFULL,function(){return e.volume(t)})},e.prototype.pause=function(){(this._playbackType!==b.default.LIVE||this._dvrEnabled)&&(this.el.playerPause(),this._playbackType===b.default.LIVE&&this._dvrEnabled&&this._updateDvr(!0))},e.prototype.stop=function(){this._srcLoaded=!1,this.el.playerStop(),this.trigger(g.default.PLAYBACK_STOP),this.trigger(g.default.PLAYBACK_TIMEUPDATE,{current:0,total:0},this.name)},e.prototype.isPlaying=function(){return!!this._currentState&&!!this._currentState.match(/playing/i)},e.prototype.getDuration=function(){return this._normalizeDuration(this.el.getDuration())},e.prototype._normalizeDuration=function(t){return this._playbackType===b.default.LIVE&&(t=Math.max(0,t-10)),t},e.prototype.seekPercentage=function(t){var e=this.el.getDuration(),i=0;t>0&&(i=e*t/100),this.seek(i)},e.prototype.seek=function(t){var e=this.getDuration();if(this._playbackType===b.default.LIVE){var i=e-t>3;this._updateDvr(i)}this.el.playerSeek(t),this.trigger(g.default.PLAYBACK_TIMEUPDATE,{current:t,total:e},this.name)},e.prototype._updateDvr=function(t){var e=!!this._dvrInUse;this._dvrInUse=t,this._dvrInUse!==e&&(this._updateSettings(),this.trigger(g.default.PLAYBACK_DVR,this._dvrInUse),this.trigger(g.default.PLAYBACK_STATS_ADD,{dvr:this._dvrInUse}))},e.prototype._flashPlaybackError=function(t,e,i){this.trigger(g.default.PLAYBACK_ERROR,{code:t,url:e,message:i}),this.trigger(g.default.PLAYBACK_STOP)},e.prototype._manifestLoaded=function(t,e){this._shouldPlayOnManifestLoaded&&(this._shouldPlayOnManifestLoaded=!1,this.el.playerPlay()),this._fillLevels(),this.trigger(g.default.PLAYBACK_LOADEDMETADATA,{duration:t,data:e})},e.prototype._fillLevels=function(){var t=this.el.getLevels(),e=t.length;this._levels=[];for(var i=0;i<e;i++)this._levels.push({id:i,label:t[i].height+"p",level:t[i]});this.trigger(g.default.PLAYBACK_LEVELS_AVAILABLE,this._levels)},e.prototype.destroy=function(){this.stopListening(),this.$el.remove()},e.prototype._updateSettings=function(){this.settings=C.default.extend({},this._defaultSettings),this._playbackType===b.default.VOD||this._dvrInUse?(this.settings.left=["playpause","position","duration"],this.settings.seekEnabled=!0):this._dvrEnabled?(this.settings.left=["playpause"],this.settings.seekEnabled=!0):this.settings.seekEnabled=!1},e.prototype._createCallbacks=function(){var t=this;window.Clappr||(window.Clappr={}),window.Clappr.flashlsCallbacks||(window.Clappr.flashlsCallbacks={}),this.flashlsEvents=new L.default(this.cid),window.Clappr.flashlsCallbacks[this.cid]=function(e,i){t.flashlsEvents[e].apply(t.flashlsEvents,i)}},e.prototype.render=function(){return t.prototype.render.call(this),this._createCallbacks(),this},(0,u.default)(e,[{key:"isReady",get:function(){return this._isReadyState}},{key:"dvrEnabled",get:function(){return!!this._dvrEnabled}}]),e}(f.default);e.default=I,I.canPlay=function(t,e){var i=t.split("?")[0].match(/.*\.(.*)$/)||[];return A.default.hasFlash&&(i.length>1&&"m3u8"===i[1].toLowerCase()||"application/x-mpegURL"===e||"application/vnd.apple.mpegurl"===e)},t.exports=e.default},function(t,e,i){"use strict";function n(t){return t&&t.__esModule?t:{default:t}}Object.defineProperty(e,"__esModule",{value:!0});var r=i(0),a=n(r),o=i(24),s=n(o),l=function(){function t(e){(0,a.default)(this,t),this.instanceId=e}return t.prototype.ready=function(){s.default.trigger(this.instanceId+":flashready")},t.prototype.videoSize=function(t,e){s.default.trigger(this.instanceId+":videosizechanged",t,e)},t.prototype.complete=function(){s.default.trigger(this.instanceId+":complete")},t.prototype.error=function(t,e,i){s.default.trigger(this.instanceId+":error",t,e,i)},t.prototype.manifest=function(t,e){s.default.trigger(this.instanceId+":manifestloaded",t,e)},t.prototype.audioLevelLoaded=function(t){s.default.trigger(this.instanceId+":audiolevelloaded",t)},t.prototype.levelLoaded=function(t){s.default.trigger(this.instanceId+":levelloaded",t)},t.prototype.levelEndlist=function(t){s.default.trigger(this.instanceId+":levelendlist",t)},t.prototype.fragmentLoaded=function(t){s.default.trigger(this.instanceId+":fragmentloaded",t)},t.prototype.fragmentPlaying=function(t){s.default.trigger(this.instanceId+":fragmentplaying",t)},t.prototype.position=function(t){s.default.trigger(this.instanceId+":timeupdate",t)},t.prototype.state=function(t){s.default.trigger(this.instanceId+":playbackstate",t)},t.prototype.seekState=function(t){s.default.trigger(this.instanceId+":seekstate",t)},t.prototype.switch=function(t){s.default.trigger(this.instanceId+":levelchanged",t)},t.prototype.audioTracksListChange=function(t){s.default.trigger(this.instanceId+":audiotracklistchanged",t)},t.prototype.audioTrackChange=function(t){s.default.trigger(this.instanceId+":audiotrackchanged",t)},t}();e.default=l,t.exports=e.default},function(t,e){t.exports="<%=baseUrl%>/809981e5b09d5336c45d72d0869ada2a.swf"},function(t,e,i){"use strict";function n(t){return t&&t.__esModule?t:{default:t}}Object.defineProperty(e,"__esModule",{value:!0});var r=i(79),a=n(r),o=i(0),s=n(o),l=i(1),u=n(l),d=i(3),c=n(d),h=i(2),f=n(h),p=i(35),g=n(p),y=i(173),m=n(y),v=i(4),b=n(v),_=i(9),E=n(_),T=i(5),A=i(55),S=n(A),L=function(t){function e(){(0,s.default)(this,e);for(var i=arguments.length,n=Array(i),r=0;r<i;r++)n[r]=arguments[r];var a=(0,u.default)(this,t.call.apply(t,[this].concat(n)));return a.options.playback||(a.options.playback=a.options),a._minDvrSize=void 0===a.options.hlsMinimumDvrSize?60:a.options.hlsMinimumDvrSize,a._extrapolatedWindowNumSegments=a.options.playback&&void 0!==a.options.playback.extrapolatedWindowNumSegments?a.options.playback.extrapolatedWindowNumSegments:2,a._playbackType=E.default.VOD,a._lastTimeUpdate=null,a._lastDuration=null,a._playableRegionStartTime=0,a._localStartTimeCorrelation=null,a._localEndTimeCorrelation=null,a._playableRegionDuration=0,a._durationExcludesAfterLiveSyncPoint=!1,a._segmentTargetDuration=null,a._playlistType=null,a._recoverAttemptsRemaining=a.options.hlsRecoverAttempts||16,a._startTimeUpdateTimer(),a}return(0,f.default)(e,t),(0,c.default)(e,[{key:"name",get:function(){return"hls"}},{key:"levels",get:function(){return this._levels||[]}},{key:"currentLevel",get:function(){return null===this._currentLevel||void 0===this._currentLevel?-1:this._currentLevel},set:function(t){this._currentLevel=t,this.trigger(b.default.PLAYBACK_LEVEL_SWITCH_START),this._hls.currentLevel=this._currentLevel}},{key:"_startTime",get:function(){return this._playbackType===E.default.LIVE&&"EVENT"!==this._playlistType?this._extrapolatedStartTime:this._playableRegionStartTime}},{key:"_now",get:function(){return(0,T.now)()}},{key:"_extrapolatedStartTime",get:function(){if(!this._localStartTimeCorrelation)return this._playableRegionStartTime;var t=this._localStartTimeCorrelation,e=this._now-t.local,i=(t.remote+e)/1e3;return Math.min(i,this._playableRegionStartTime+this._extrapolatedWindowDuration)}},{key:"_extrapolatedEndTime",get:function(){var t=this._playableRegionStartTime+this._playableRegionDuration;if(!this._localEndTimeCorrelation)return t;var e=this._localEndTimeCorrelation,i=this._now-e.local,n=(e.remote+i)/1e3;return Math.max(t-this._extrapolatedWindowDuration,Math.min(n,t))}},{key:"_duration",get:function(){return this._extrapolatedEndTime-this._startTime}},{key:"_extrapolatedWindowDuration",get:function(){return null===this._segmentTargetDuration?0:this._extrapolatedWindowNumSegments*this._segmentTargetDuration}}],[{key:"HLSJS",get:function(){return m.default}}]),e.prototype._setupHls=function(){var t=this;this._ccIsSetup=!1,this._ccTracksUpdated=!1,this._hls=new m.default(this.options.playback.hlsjsConfig||{}),this._hls.on(m.default.Events.MEDIA_ATTACHED,function(){return t._hls.loadSource(t.options.src)}),this._hls.on(m.default.Events.LEVEL_LOADED,function(e,i){return t._updatePlaybackType(e,i)}),this._hls.on(m.default.Events.LEVEL_UPDATED,function(e,i){return t._onLevelUpdated(e,i)}),this._hls.on(m.default.Events.LEVEL_SWITCH,function(e,i){return t._onLevelSwitch(e,i)}),this._hls.on(m.default.Events.FRAG_LOADED,function(e,i){return t._onFragmentLoaded(e,i)}),this._hls.on(m.default.Events.ERROR,function(e,i){return t._onHLSJSError(e,i)}),this._hls.on(m.default.Events.SUBTITLE_TRACK_LOADED,function(e,i){return t._onSubtitleLoaded(e,i)}),this._hls.on(m.default.Events.SUBTITLE_TRACKS_UPDATED,function(){return t._ccTracksUpdated=!0}),this._hls.attachMedia(this.el)},e.prototype._recover=function(t,e){this._recoveredDecodingError?this._recoveredAudioCodecError?(S.default.error("hlsjs: failed to recover"),this.trigger(b.default.PLAYBACK_ERROR,"hlsjs: could not recover from error, evt "+t+", data "+e+" ",this.name)):(this._recoveredAudioCodecError=!0,this._hls.swapAudioCodec(),this._hls.recoverMediaError()):(this._recoveredDecodingError=!0,this._hls.recoverMediaError())},e.prototype._setupSrc=function(t){},e.prototype._startTimeUpdateTimer=function(){var t=this;this._timeUpdateTimer=setInterval(function(){t._onDurationChange(),t._onTimeUpdate()},100)},e.prototype._stopTimeUpdateTimer=function(){clearInterval(this._timeUpdateTimer)},e.prototype.getDuration=function(){return this._duration},e.prototype.getCurrentTime=function(){return Math.max(0,this.el.currentTime-this._startTime)},e.prototype.getStartTimeOffset=function(){return this._startTime},e.prototype.seekPercentage=function(t){var e=this._duration;t>0&&(e=this._duration*(t/100)),this.seek(e)},e.prototype.seek=function(e){e<0&&(S.default.warn("Attempt to seek to a negative time. Resetting to live point. Use seekToLivePoint() to seek to the live point."),e=this.getDuration()),this.dvrEnabled&&this._updateDvr(e<this.getDuration()-3),e+=this._startTime,t.prototype.seek.call(this,e)},e.prototype.seekToLivePoint=function(){this.seek(this.getDuration())},e.prototype._updateDvr=function(t){this.trigger(b.default.PLAYBACK_DVR,t),this.trigger(b.default.PLAYBACK_STATS_ADD,{dvr:t})},e.prototype._updateSettings=function(){this._playbackType===E.default.VOD?this.settings.left=["playpause","position","duration"]:this.dvrEnabled?this.settings.left=["playpause"]:this.settings.left=["playstop"],this.settings.seekEnabled=this.isSeekEnabled(),this.trigger(b.default.PLAYBACK_SETTINGSUPDATE)},e.prototype._onHLSJSError=function(t,e){if(e.fatal)if(this._recoverAttemptsRemaining>0)switch(this._recoverAttemptsRemaining-=1,e.type){case m.default.ErrorTypes.NETWORK_ERROR:switch(e.details){case m.default.ErrorDetails.MANIFEST_LOAD_ERROR:case m.default.ErrorDetails.MANIFEST_LOAD_TIMEOUT:case m.default.ErrorDetails.MANIFEST_PARSING_ERROR:case m.default.ErrorDetails.LEVEL_LOAD_ERROR:case m.default.ErrorDetails.LEVEL_LOAD_TIMEOUT:S.default.error("hlsjs: unrecoverable network fatal error, evt "+t+", data "+e+" "),this.trigger(b.default.PLAYBACK_ERROR,{evt:t,data:e},this.name);break;default:S.default.warn("hlsjs: trying to recover from network error, evt "+t+", data "+e+" "),this._hls.startLoad()}break;case m.default.ErrorTypes.MEDIA_ERROR:S.default.warn("hlsjs: trying to recover from media error, evt "+t+", data "+e+" "),this._recover(t,e);break;default:S.default.error("hlsjs: trying to recover from error, evt "+t+", data "+e+" "),this.trigger(b.default.PLAYBACK_ERROR,"hlsjs: could not recover from error, evt "+t+", data "+e+" ",this.name)}else S.default.error("hlsjs: could not recover from error after maximum number of attempts, evt "+t+", data "+e+" "),this.trigger(b.default.PLAYBACK_ERROR,{evt:t,data:e},this.name);else S.default.warn("hlsjs: non-fatal error occurred, evt "+t+", data "+e+" ")},e.prototype._onTimeUpdate=function(){var t={current:this.getCurrentTime(),total:this.getDuration()};this._lastTimeUpdate&&t.current===this._lastTimeUpdate.current&&t.total===this._lastTimeUpdate.total||(this._lastTimeUpdate=t,this.trigger(b.default.PLAYBACK_TIMEUPDATE,t,this.name))},e.prototype._onDurationChange=function(){var e=this.getDuration();this._lastDuration!==e&&(this._lastDuration=e,t.prototype._onDurationChange.call(this))},e.prototype._onProgress=function(){if(this.el.buffered.length){for(var t=[],e=0,i=0;i<this.el.buffered.length;i++)t=[].concat((0,a.default)(t),[{start:Math.max(0,this.el.buffered.start(i)-this._playableRegionStartTime),end:Math.max(0,this.el.buffered.end(i)-this._playableRegionStartTime)}]),this.el.currentTime>=t[i].start&&this.el.currentTime<=t[i].end&&(e=i);var n={start:t[e].start,current:t[e].end,total:this.getDuration()};this.trigger(b.default.PLAYBACK_PROGRESS,n,t)}},e.prototype.play=function(){this._hls||this._setupHls(),t.prototype.play.call(this)},e.prototype.pause=function(){this._hls&&(t.prototype.pause.call(this),this.dvrEnabled&&this._updateDvr(!0))},e.prototype.stop=function(){this._hls&&(t.prototype.stop.call(this),this._hls.destroy(),delete this._hls)},e.prototype.destroy=function(){this._stopTimeUpdateTimer(),this._hls&&(this._hls.destroy(),delete this._hls),t.prototype.destroy.call(this)},e.prototype._updatePlaybackType=function(t,e){this._playbackType=e.details.live?E.default.LIVE:E.default.VOD,this._fillLevels(),this._onLevelUpdated(t,e),this._ccTracksUpdated&&this._playbackType===E.default.LIVE&&this.hasClosedCaptionsTracks&&this._onSubtitleLoaded()},e.prototype._fillLevels=function(){this._levels=this._hls.levels.map(function(t,e){return{id:e,level:t,label:t.bitrate/1e3+"Kbps"}}),this.trigger(b.default.PLAYBACK_LEVELS_AVAILABLE,this._levels)},e.prototype._onLevelUpdated=function(t,e){this._segmentTargetDuration=e.details.targetduration,this._playlistType=e.details.type||null;var i=!1,n=!1,r=e.details.fragments,a=this._playableRegionStartTime,o=this._playableRegionDuration;if(0!==r.length){if(this._playableRegionStartTime!==r[0].start&&(i=!0,this._playableRegionStartTime=r[0].start),i)if(this._localStartTimeCorrelation){var s=this._localStartTimeCorrelation,l=this._now-s.local,u=(s.remote+l)/1e3;u<r[0].start?this._localStartTimeCorrelation={local:this._now,remote:1e3*r[0].start}:u>a+this._extrapolatedWindowDuration&&(this._localStartTimeCorrelation={local:this._now,remote:1e3*Math.max(r[0].start,a+this._extrapolatedWindowDuration)})}else this._localStartTimeCorrelation={local:this._now,remote:1e3*(r[0].start+this._extrapolatedWindowDuration/2)};var d=e.details.totalduration;if(this._playbackType===E.default.LIVE){var c=e.details.targetduration,h=this.options.playback.hlsjsConfig||{},f=h.liveSyncDurationCount||m.default.DefaultConfig.liveSyncDurationCount,p=c*f;p<=d?(d-=p,this._durationExcludesAfterLiveSyncPoint=!0):this._durationExcludesAfterLiveSyncPoint=!1}d!==this._playableRegionDuration&&(n=!0,this._playableRegionDuration=d);var g=r[0].start+d,y=a+o;if(g!==y)if(this._localEndTimeCorrelation){var v=this._localEndTimeCorrelation,b=this._now-v.local,_=(v.remote+b)/1e3;_>g?this._localEndTimeCorrelation={local:this._now,remote:1e3*g}:_<g-this._extrapolatedWindowDuration?this._localEndTimeCorrelation={local:this._now,remote:1e3*(g-this._extrapolatedWindowDuration)}:_>y&&(this._localEndTimeCorrelation={local:this._now,remote:1e3*y})}else this._localEndTimeCorrelation={local:this._now,remote:1e3*g};n&&this._onDurationChange(),i&&this._onProgress()}},e.prototype._onFragmentLoaded=function(t,e){this.trigger(b.default.PLAYBACK_FRAGMENT_LOADED,e)},e.prototype._onSubtitleLoaded=function(){if(!this._ccIsSetup){this.trigger(b.default.PLAYBACK_SUBTITLE_AVAILABLE);var t=this._playbackType===E.default.LIVE?-1:this.closedCaptionsTrackId;this.closedCaptionsTrackId=t,this._ccIsSetup=!0}},e.prototype._onLevelSwitch=function(t,e){this.levels.length||this._fillLevels(),this.trigger(b.default.PLAYBACK_LEVEL_SWITCH_END),this.trigger(b.default.PLAYBACK_LEVEL_SWITCH,e);var i=this._hls.levels[e.level];i&&(this.highDefinition=i.height>=720||i.bitrate/1e3>=2e3,this.trigger(b.default.PLAYBACK_HIGHDEFINITIONUPDATE,this.highDefinition),this.trigger(b.default.PLAYBACK_BITRATE,{height:i.height,width:i.width,bandwidth:i.bitrate,bitrate:i.bitrate,level:e.level}))},e.prototype.getPlaybackType=function(){return this._playbackType},e.prototype.isSeekEnabled=function(){return this._playbackType===E.default.VOD||this.dvrEnabled},(0,c.default)(e,[{key:"dvrEnabled",get:function(){return this._durationExcludesAfterLiveSyncPoint&&this._duration>=this._minDvrSize&&this.getPlaybackType()===E.default.LIVE}}]),e}(g.default);e.default=L,L.canPlay=function(t,e){var i=t.split("?")[0].match(/.*\.(.*)$/)||[],n=i.length>1&&"m3u8"===i[1].toLowerCase()||"application/x-mpegURL"===e||"application/vnd.apple.mpegurl"===e;return!(!m.default.isSupported()||!n)},t.exports=e.default},function(t,e,i){!function(e,i){t.exports=i()}(0,function(){return function(t){function e(n){if(i[n])return i[n].exports;var r=i[n]={i:n,l:!1,exports:{}};return t[n].call(r.exports,r,r.exports,e),r.l=!0,r.exports}var i={};return e.m=t,e.c=i,e.d=function(t,i,n){e.o(t,i)||Object.defineProperty(t,i,{configurable:!1,enumerable:!0,get:n})},e.n=function(t){var i=t&&t.__esModule?function(){return t.default}:function(){return t};return e.d(i,"a",i),i},e.o=function(t,e){return Object.prototype.hasOwnProperty.call(t,e)},e.p="/dist/",e(e.s=8)}([function(t,e,i){"use strict";function n(){}function r(t,e){return e="["+t+"] > "+e}function a(t){var e=self.console[t];return e?function(){for(var i=arguments.length,n=Array(i),a=0;a<i;a++)n[a]=arguments[a];n[0]&&(n[0]=r(t,n[0])),e.apply(self.console,n)}:n}function o(t){for(var e=arguments.length,i=Array(e>1?e-1:0),n=1;n<e;n++)i[n-1]=arguments[n];i.forEach(function(e){u[e]=t[e]?t[e].bind(t):a(e)})}i.d(e,"a",function(){return d}),i.d(e,"b",function(){return c});var s="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t},l={trace:n,debug:n,log:n,warn:n,info:n,error:n},u=l,d=function(t){if(!0===t||"object"===(void 0===t?"undefined":s(t))){o(t,"debug","log","info","warn","error");try{u.log()}catch(t){u=l}}else u=l},c=u},function(t,e,i){"use 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n={NETWORK_ERROR:"networkError",MEDIA_ERROR:"mediaError",MUX_ERROR:"muxError",OTHER_ERROR:"otherError"},r={MANIFEST_LOAD_ERROR:"manifestLoadError",MANIFEST_LOAD_TIMEOUT:"manifestLoadTimeOut",MANIFEST_PARSING_ERROR:"manifestParsingError",MANIFEST_INCOMPATIBLE_CODECS_ERROR:"manifestIncompatibleCodecsError",LEVEL_LOAD_ERROR:"levelLoadError",LEVEL_LOAD_TIMEOUT:"levelLoadTimeOut",LEVEL_SWITCH_ERROR:"levelSwitchError",AUDIO_TRACK_LOAD_ERROR:"audioTrackLoadError",AUDIO_TRACK_LOAD_TIMEOUT:"audioTrackLoadTimeOut",FRAG_LOAD_ERROR:"fragLoadError",FRAG_LOOP_LOADING_ERROR:"fragLoopLoadingError",FRAG_LOAD_TIMEOUT:"fragLoadTimeOut",FRAG_DECRYPT_ERROR:"fragDecryptError",FRAG_PARSING_ERROR:"fragParsingError",REMUX_ALLOC_ERROR:"remuxAllocError",KEY_LOAD_ERROR:"keyLoadError",KEY_LOAD_TIMEOUT:"keyLoadTimeOut",BUFFER_ADD_CODEC_ERROR:"bufferAddCodecError",BUFFER_APPEND_ERROR:"bufferAppendError",BUFFER_APPENDING_ERROR:"bufferAppendingError",BUFFER_STALLED_ERROR:"bufferStalledError",BUFFER_FULL_ERROR:"bufferFullError",BUFFER_SEEK_OVER_HOLE:"bufferSeekOverHole",BUFFER_NUDGE_ON_STALL:"bufferNudgeOnStall",INTERNAL_EXCEPTION:"internalException"}},function(t,e,i){"use strict";function n(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function r(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function a(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function o(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}var s=function(){function t(e,i){n(this,t),this.subtle=e,this.aesIV=i}return t.prototype.decrypt=function(t,e){return this.subtle.decrypt({name:"AES-CBC",iv:this.aesIV},e,t)},t}(),l=s,u=function(){function t(e,i){r(this,t),this.subtle=e,this.key=i}return t.prototype.expandKey=function(){return this.subtle.importKey("raw",this.key,{name:"AES-CBC"},!1,["encrypt","decrypt"])},t}(),d=u,c=function(){function t(){a(this,t),this.rcon=[0,1,2,4,8,16,32,64,128,27,54],this.subMix=[new Uint32Array(256),new Uint32Array(256),new Uint32Array(256),new Uint32Array(256)],this.invSubMix=[new Uint32Array(256),new Uint32Array(256),new Uint32Array(256),new Uint32Array(256)],this.sBox=new Uint32Array(256),this.invSBox=new Uint32Array(256),this.key=new Uint32Array(0),this.initTable()}return t.prototype.uint8ArrayToUint32Array_=function(t){for(var e=new DataView(t),i=new Uint32Array(4),n=0;n<4;n++)i[n]=e.getUint32(4*n);return i},t.prototype.initTable=function(){var t=this.sBox,e=this.invSBox,i=this.subMix,n=i[0],r=i[1],a=i[2],o=i[3],s=this.invSubMix,l=s[0],u=s[1],d=s[2],c=s[3],h=new Uint32Array(256),f=0,p=0,g=0;for(g=0;g<256;g++)h[g]=g<128?g<<1:g<<1^283;for(g=0;g<256;g++){var y=p^p<<1^p<<2^p<<3^p<<4;y=y>>>8^255&y^99,t[f]=y,e[y]=f;var m=h[f],v=h[m],b=h[v],_=257*h[y]^16843008*y;n[f]=_<<24|_>>>8,r[f]=_<<16|_>>>16,a[f]=_<<8|_>>>24,o[f]=_,_=16843009*b^65537*v^257*m^16843008*f,l[y]=_<<24|_>>>8,u[y]=_<<16|_>>>16,d[y]=_<<8|_>>>24,c[y]=_,f?(f=m^h[h[h[b^m]]],p^=h[h[p]]):f=p=1}},t.prototype.expandKey=function(t){for(var e=this.uint8ArrayToUint32Array_(t),i=!0,n=0;n<e.length&&i;)i=e[n]===this.key[n],n++;if(!i){this.key=e;var r=this.keySize=e.length;if(4!==r&&6!==r&&8!==r)throw new Error("Invalid aes key size="+r);var a=this.ksRows=4*(r+6+1),o=void 0,s=void 0,l=this.keySchedule=new Uint32Array(a),u=this.invKeySchedule=new Uint32Array(a),d=this.sBox,c=this.rcon,h=this.invSubMix,f=h[0],p=h[1],g=h[2],y=h[3],m=void 0,v=void 0;for(o=0;o<a;o++)o<r?m=l[o]=e[o]:(v=m,o%r==0?(v=v<<8|v>>>24,v=d[v>>>24]<<24|d[v>>>16&255]<<16|d[v>>>8&255]<<8|d[255&v],v^=c[o/r|0]<<24):r>6&&o%r==4&&(v=d[v>>>24]<<24|d[v>>>16&255]<<16|d[v>>>8&255]<<8|d[255&v]),l[o]=m=(l[o-r]^v)>>>0);for(s=0;s<a;s++)o=a-s,v=3&s?l[o]:l[o-4],u[s]=s<4||o<=4?v:f[d[v>>>24]]^p[d[v>>>16&255]]^g[d[v>>>8&255]]^y[d[255&v]],u[s]=u[s]>>>0}},t.prototype.networkToHostOrderSwap=function(t){return t<<24|(65280&t)<<8|(16711680&t)>>8|t>>>24},t.prototype.decrypt=function(t,e,i){for(var n,r,a=this.keySize+6,o=this.invKeySchedule,s=this.invSBox,l=this.invSubMix,u=l[0],d=l[1],c=l[2],h=l[3],f=this.uint8ArrayToUint32Array_(i),p=f[0],g=f[1],y=f[2],m=f[3],v=new Int32Array(t),b=new Int32Array(v.length),_=void 0,E=void 0,T=void 0,A=void 0,S=void 0,L=void 0,R=void 0,k=void 0,w=void 0,C=void 0,I=void 0,D=void 0,O=this.networkToHostOrderSwap;e<v.length;){for(w=O(v[e]),C=O(v[e+1]),I=O(v[e+2]),D=O(v[e+3]),S=w^o[0],L=D^o[1],R=I^o[2],k=C^o[3],n=4,r=1;r<a;r++)_=u[S>>>24]^d[L>>16&255]^c[R>>8&255]^h[255&k]^o[n],E=u[L>>>24]^d[R>>16&255]^c[k>>8&255]^h[255&S]^o[n+1],T=u[R>>>24]^d[k>>16&255]^c[S>>8&255]^h[255&L]^o[n+2],A=u[k>>>24]^d[S>>16&255]^c[L>>8&255]^h[255&R]^o[n+3],S=_,L=E,R=T,k=A,n+=4;_=s[S>>>24]<<24^s[L>>16&255]<<16^s[R>>8&255]<<8^s[255&k]^o[n],E=s[L>>>24]<<24^s[R>>16&255]<<16^s[k>>8&255]<<8^s[255&S]^o[n+1],T=s[R>>>24]<<24^s[k>>16&255]<<16^s[S>>8&255]<<8^s[255&L]^o[n+2],A=s[k>>>24]<<24^s[S>>16&255]<<16^s[L>>8&255]<<8^s[255&R]^o[n+3],n+=3,b[e]=O(_^p),b[e+1]=O(A^g),b[e+2]=O(T^y),b[e+3]=O(E^m),p=w,g=C,y=I,m=D,e+=4}return b.buffer},t.prototype.destroy=function(){this.key=void 0,this.keySize=void 0,this.ksRows=void 0,this.sBox=void 0,this.invSBox=void 0,this.subMix=void 0,this.invSubMix=void 0,this.keySchedule=void 0,this.invKeySchedule=void 0,this.rcon=void 0},t}(),h=c,f=i(2),p=i(0),g=function(){function t(e,i){o(this,t),this.observer=e,this.config=i,this.logEnabled=!0;try{var n=crypto||self.crypto;this.subtle=n.subtle||n.webkitSubtle}catch(t){}this.disableWebCrypto=!this.subtle}return t.prototype.isSync=function(){return this.disableWebCrypto&&this.config.enableSoftwareAES},t.prototype.decrypt=function(t,e,i,n){var r=this;if(this.disableWebCrypto&&this.config.enableSoftwareAES){this.logEnabled&&(p.b.log("JS AES decrypt"),this.logEnabled=!1);var a=this.decryptor;a||(this.decryptor=a=new h),a.expandKey(e),n(a.decrypt(t,0,i))}else{this.logEnabled&&(p.b.log("WebCrypto AES decrypt"),this.logEnabled=!1);var o=this.subtle;this.key!==e&&(this.key=e,this.fastAesKey=new d(o,e)),this.fastAesKey.expandKey().then(function(a){new 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r=n.data[n.start],a=0===r?12:20,o=t.readUint32(n,a),s=t.findBox(e,["mdia","mdhd"])[0];if(s){r=s.data[s.start],a=0===r?12:20;var l=t.readUint32(s,a),u=t.findBox(e,["mdia","hdlr"])[0];if(u){var d=t.bin2str(u.data.subarray(u.start+8,u.start+12)),c={soun:"audio",vide:"video"}[d];if(c){var h=t.findBox(e,["mdia","minf","stbl","stsd"]);if(h.length){h=h[0];var f=t.bin2str(h.data.subarray(h.start+12,h.start+16));k.b.log("MP4Demuxer:"+c+":"+f+" found")}i[o]={timescale:l,type:c},i[c]={timescale:l,id:o}}}}}}),i},t.getStartDTS=function(e,i){var n,r,a;return n=t.findBox(i,["moof","traf"]),r=[].concat.apply([],n.map(function(i){return t.findBox(i,["tfhd"]).map(function(n){var r,a;return r=t.readUint32(n,4),a=e[r].timescale||9e4,t.findBox(i,["tfdt"]).map(function(e){var i,n;return i=e.data[e.start],n=t.readUint32(e,4),1===i&&(n*=Math.pow(2,32),n+=t.readUint32(e,8)),n})[0]/a})})),a=Math.min.apply(null,r),isFinite(a)?a:0},t.offsetStartDTS=function(e,i,n){t.findBox(i,["moof","traf"]).map(function(i){return t.findBox(i,["tfhd"]).map(function(r){var a=t.readUint32(r,4),o=e[a].timescale||9e4;t.findBox(i,["tfdt"]).map(function(e){var i=e.data[e.start],r=t.readUint32(e,4);if(0===i)t.writeUint32(e,4,r-n*o);else{r*=Math.pow(2,32),r+=t.readUint32(e,8),r-=n*o,r=Math.max(r,0);var a=Math.floor(r/(D+1)),s=Math.floor(r%(D+1));t.writeUint32(e,4,a),t.writeUint32(e,8,s)}})})})},t.prototype.append=function(e,i,n,r){var a=this.initData;a||(this.resetInitSegment(e,this.audioCodec,this.videoCodec),a=this.initData);var o=void 0,s=this.initPTS;if(void 0===s){var l=t.getStartDTS(a,e);this.initPTS=s=l-i,this.observer.trigger(S.a.INIT_PTS_FOUND,{initPTS:s})}t.offsetStartDTS(a,e,s),o=t.getStartDTS(a,e),this.remuxer.remux(a.audio,a.video,null,null,o,n,r,e)},t.prototype.destroy=function(){},t}(),P=O,x={BitratesMap:[32,64,96,128,160,192,224,256,288,320,352,384,416,448,32,48,56,64,80,96,112,128,160,192,224,256,320,384,32,40,48,56,64,80,96,112,128,160,192,224,256,320,32,48,56,64,80,96,112,128,144,160,176,192,224,256,8,16,24,32,40,48,56,64,80,96,112,128,144,160],SamplingRateMap:[44100,48e3,32e3,22050,24e3,16e3,11025,12e3,8e3],appendFrame:function(t,e,i,n,r){if(!(i+24>e.length)){var a=this.parseHeader(e,i);if(a&&i+a.frameLength<=e.length){var o=10368e4/a.sampleRate,s=n+r*o,l={unit:e.subarray(i,i+a.frameLength),pts:s,dts:s};return t.config=[],t.channelCount=a.channelCount,t.samplerate=a.sampleRate,t.samples.push(l),t.len+=a.frameLength,{sample:l,length:a.frameLength}}}},parseHeader:function(t,e){var i=t[e+1]>>3&3,n=t[e+1]>>1&3,r=t[e+2]>>4&15,a=t[e+2]>>2&3,o=!!(2&t[e+2]);if(1!==i&&0!==r&&15!==r&&3!==a){var s=3===i?3-n:3===n?3:4,l=1e3*x.BitratesMap[14*s+r-1],u=3===i?0:2===i?1:2,d=x.SamplingRateMap[3*u+a],c=o?1:0;return{sampleRate:d,channelCount:t[e+3]>>6==3?1:2,frameLength:3===n?(3===i?12:6)*l/d+c<<2:(3===i?144:72)*l/d+c|0}}},isHeaderPattern:function(t,e){return 255===t[e]&&224==(224&t[e+1])&&0!=(6&t[e+1])},isHeader:function(t,e){return!!(e+1<t.length&&this.isHeaderPattern(t,e))},probe:function(t,e){if(e+1<t.length&&this.isHeaderPattern(t,e)){var i=this.parseHeader(t,e),n=4;i&&i.frameLength&&(n=i.frameLength);var r=e+n;if(r===t.length||r+1<t.length&&this.isHeaderPattern(t,r))return!0}return!1}},N=x,M=function(){function t(e){g(this,t),this.data=e,this.bytesAvailable=e.byteLength,this.word=0,this.bitsAvailable=0}return t.prototype.loadWord=function(){var t=this.data,e=this.bytesAvailable,i=t.byteLength-e,n=new Uint8Array(4),r=Math.min(4,e);if(0===r)throw new Error("no bytes available");n.set(t.subarray(i,i+r)),this.word=new DataView(n.buffer).getUint32(0),this.bitsAvailable=8*r,this.bytesAvailable-=r},t.prototype.skipBits=function(t){var e;this.bitsAvailable>t?(this.word<<=t,this.bitsAvailable-=t):(t-=this.bitsAvailable,e=t>>3,t-=e>>3,this.bytesAvailable-=e,this.loadWord(),this.word<<=t,this.bitsAvailable-=t)},t.prototype.readBits=function(t){var e=Math.min(this.bitsAvailable,t),i=this.word>>>32-e;return t>32&&k.b.error("Cannot read more than 32 bits at a time"),this.bitsAvailable-=e,this.bitsAvailable>0?this.word<<=e:this.bytesAvailable>0&&this.loadWord(),e=t-e,e>0&&this.bitsAvailable?i<<e|this.readBits(e):i},t.prototype.skipLZ=function(){var t;for(t=0;t<this.bitsAvailable;++t)if(0!=(this.word&2147483648>>>t))return this.word<<=t,this.bitsAvailable-=t,t;return this.loadWord(),t+this.skipLZ()},t.prototype.skipUEG=function(){this.skipBits(1+this.skipLZ())},t.prototype.skipEG=function(){this.skipBits(1+this.skipLZ())},t.prototype.readUEG=function(){var t=this.skipLZ();return this.readBits(t+1)-1},t.prototype.readEG=function(){var t=this.readUEG();return 1&t?1+t>>>1:-1*(t>>>1)},t.prototype.readBoolean=function(){return 1===this.readBits(1)},t.prototype.readUByte=function(){return this.readBits(8)},t.prototype.readUShort=function(){return this.readBits(16)},t.prototype.readUInt=function(){return this.readBits(32)},t.prototype.skipScalingList=function(t){var e,i,n=8,r=8;for(e=0;e<t;e++)0!==r&&(i=this.readEG(),r=(n+i+256)%256),n=0===r?n:r},t.prototype.readSPS=function(){var t,e,i,n,r,a,o,s=0,l=0,u=0,d=0,c=this.readUByte.bind(this),h=this.readBits.bind(this),f=this.readUEG.bind(this),p=this.readBoolean.bind(this),g=this.skipBits.bind(this),y=this.skipEG.bind(this),m=this.skipUEG.bind(this),v=this.skipScalingList.bind(this);if(c(),t=c(),h(5),g(3),c(),m(),100===t||110===t||122===t||244===t||44===t||83===t||86===t||118===t||128===t){var b=f();if(3===b&&g(1),m(),m(),g(1),p())for(a=3!==b?8:12,o=0;o<a;o++)p()&&v(o<6?16:64)}m();var _=f();if(0===_)f();else if(1===_)for(g(1),y(),y(),e=f(),o=0;o<e;o++)y();m(),g(1),i=f(),n=f(),r=h(1),0===r&&g(1),g(1),p()&&(s=f(),l=f(),u=f(),d=f());var E=[1,1];if(p()&&p()){switch(c()){case 1:E=[1,1];break;case 2:E=[12,11];break;case 3:E=[10,11];break;case 4:E=[16,11];break;case 5:E=[40,33];break;case 6:E=[24,11];break;case 7:E=[20,11];break;case 8:E=[32,11];break;case 9:E=[80,33];break;case 10:E=[18,11];break;case 11:E=[15,11];break;case 12:E=[64,33];break;case 13:E=[160,99];break;case 14:E=[4,3];break;case 15:E=[3,2];break;case 16:E=[2,1];break;case 255:E=[c()<<8|c(),c()<<8|c()]}}return{width:Math.ceil(16*(i+1)-2*s-2*l),height:(2-r)*(n+1)*16-(r?2:4)*(u+d),pixelRatio:E}},t.prototype.readSliceType=function(){return this.readUByte(),this.readUEG(),this.readUEG()},t}(),F=M,B=function(){function t(e,i,n,r){y(this,t),this.decryptdata=n,this.discardEPB=r,this.decrypter=new R.a(e,i)}return t.prototype.decryptBuffer=function(t,e){this.decrypter.decrypt(t,this.decryptdata.key.buffer,this.decryptdata.iv.buffer,e)},t.prototype.decryptAacSample=function(t,e,i,n){var r=t[e].unit,a=r.subarray(16,r.length-r.length%16),o=a.buffer.slice(a.byteOffset,a.byteOffset+a.length),s=this;this.decryptBuffer(o,function(a){a=new Uint8Array(a),r.set(a,16),n||s.decryptAacSamples(t,e+1,i)})},t.prototype.decryptAacSamples=function(t,e,i){for(;;e++){if(e>=t.length)return void i();if(!(t[e].unit.length<32)){var n=this.decrypter.isSync();if(this.decryptAacSample(t,e,i,n),!n)return}}},t.prototype.getAvcEncryptedData=function(t){for(var e=16*Math.floor((t.length-48)/160)+16,i=new Int8Array(e),n=0,r=32;r<=t.length-16;r+=160,n+=16)i.set(t.subarray(r,r+16),n);return i},t.prototype.getAvcDecryptedUnit=function(t,e){e=new Uint8Array(e);for(var i=0,n=32;n<=t.length-16;n+=160,i+=16)t.set(e.subarray(i,i+16),n);return t},t.prototype.decryptAvcSample=function(t,e,i,n,r,a){var o=this.discardEPB(r.data),s=this.getAvcEncryptedData(o),l=this;this.decryptBuffer(s.buffer,function(s){r.data=l.getAvcDecryptedUnit(o,s),a||l.decryptAvcSamples(t,e,i+1,n)})},t.prototype.decryptAvcSamples=function(t,e,i,n){for(;;e++,i=0){if(e>=t.length)return void n();for(var r=t[e].units;!(i>=r.length);i++){var a=r[i];if(!(a.length<=48||1!==a.type&&5!==a.type)){var o=this.decrypter.isSync();if(this.decryptAvcSample(t,e,i,n,a,o),!o)return}}}},t}(),U=B,G=function(){function t(e,i,n,r){m(this,t),this.observer=e,this.config=n,this.typeSupported=r,this.remuxer=i,this.sampleAes=null}return t.prototype.setDecryptData=function(t){null!=t&&null!=t.key&&"SAMPLE-AES"===t.method?this.sampleAes=new U(this.observer,this.config,t,this.discardEPB):this.sampleAes=null},t.probe=function(e){var i=t._syncOffset(e);return!(i<0)&&(i&&k.b.warn("MPEG2-TS detected but first sync word found @ offset "+i+", junk ahead ?"),!0)},t._syncOffset=function(t){for(var e=Math.min(1e3,t.length-564),i=0;i<e;){if(71===t[i]&&71===t[i+188]&&71===t[i+376])return i;i++}return-1},t.prototype.resetInitSegment=function(t,e,i,n){this.pmtParsed=!1,this._pmtId=-1,this._avcTrack={container:"video/mp2t",type:"video",id:-1,inputTimeScale:9e4,sequenceNumber:0,samples:[],len:0,dropped:0},this._audioTrack={container:"video/mp2t",type:"audio",id:-1,inputTimeScale:9e4,duration:n,sequenceNumber:0,samples:[],len:0,isAAC:!0},this._id3Track={type:"id3",id:-1,inputTimeScale:9e4,sequenceNumber:0,samples:[],len:0},this._txtTrack={type:"text",id:-1,inputTimeScale:9e4,sequenceNumber:0,samples:[],len:0},this.aacOverFlow=null,this.aacLastPTS=null,this.avcSample=null,this.audioCodec=e,this.videoCodec=i,this._duration=n},t.prototype.resetTimeStamp=function(){},t.prototype.append=function(e,i,n,r){var a,o,s,l,u,d=e.length,c=!1;this.contiguous=n;var h=this.pmtParsed,f=this._avcTrack,p=this._audioTrack,g=this._id3Track,y=f.id,m=p.id,v=g.id,b=this._pmtId,_=f.pesData,E=p.pesData,T=g.pesData,A=this._parsePAT,R=this._parsePMT,w=this._parsePES,C=this._parseAVCPES.bind(this),I=this._parseAACPES.bind(this),D=this._parseMPEGPES.bind(this),O=this._parseID3PES.bind(this),P=t._syncOffset(e);for(d-=(d+P)%188,a=P;a<d;a+=188)if(71===e[a]){if(o=!!(64&e[a+1]),s=((31&e[a+1])<<8)+e[a+2],(48&e[a+3])>>4>1){if((l=a+5+e[a+4])===a+188)continue}else l=a+4;switch(s){case y:o&&(_&&(u=w(_))&&C(u,!1),_={data:[],size:0}),_&&(_.data.push(e.subarray(l,a+188)),_.size+=a+188-l);break;case m:o&&(E&&(u=w(E))&&(p.isAAC?I(u):D(u)),E={data:[],size:0}),E&&(E.data.push(e.subarray(l,a+188)),E.size+=a+188-l);break;case v:o&&(T&&(u=w(T))&&O(u),T={data:[],size:0}),T&&(T.data.push(e.subarray(l,a+188)),T.size+=a+188-l);break;case 0:o&&(l+=e[l]+1),b=this._pmtId=A(e,l);break;case b:o&&(l+=e[l]+1);var x=R(e,l,!0===this.typeSupported.mpeg||!0===this.typeSupported.mp3,null!=this.sampleAes);y=x.avc,y>0&&(f.id=y),m=x.audio,m>0&&(p.id=m,p.isAAC=x.isAAC),v=x.id3,v>0&&(g.id=v),c&&!h&&(k.b.log("reparse from beginning"),c=!1,a=P-188),h=this.pmtParsed=!0;break;case 17:case 8191:break;default:c=!0}}else this.observer.trigger(S.a.ERROR,{type:L.b.MEDIA_ERROR,details:L.a.FRAG_PARSING_ERROR,fatal:!1,reason:"TS packet did not start with 0x47"});_&&(u=w(_))?(C(u,!0),f.pesData=null):f.pesData=_,E&&(u=w(E))?(p.isAAC?I(u):D(u),p.pesData=null):(E&&E.size&&k.b.log("last AAC PES packet truncated,might overlap between fragments"),p.pesData=E),T&&(u=w(T))?(O(u),g.pesData=null):g.pesData=T,null==this.sampleAes?this.remuxer.remux(p,f,g,this._txtTrack,i,n,r):this.decryptAndRemux(p,f,g,this._txtTrack,i,n,r)},t.prototype.decryptAndRemux=function(t,e,i,n,r,a,o){if(t.samples&&t.isAAC){var s=this;this.sampleAes.decryptAacSamples(t.samples,0,function(){s.decryptAndRemuxAvc(t,e,i,n,r,a,o)})}else this.decryptAndRemuxAvc(t,e,i,n,r,a,o)},t.prototype.decryptAndRemuxAvc=function(t,e,i,n,r,a,o){if(e.samples){var s=this;this.sampleAes.decryptAvcSamples(e.samples,0,0,function(){s.remuxer.remux(t,e,i,n,r,a,o)})}else this.remuxer.remux(t,e,i,n,r,a,o)},t.prototype.destroy=function(){this._initPTS=this._initDTS=void 0,this._duration=0},t.prototype._parsePAT=function(t,e){return(31&t[e+10])<<8|t[e+11]},t.prototype._parsePMT=function(t,e,i,n){var r,a,o,s,l={audio:-1,avc:-1,id3:-1,isAAC:!0};for(r=(15&t[e+1])<<8|t[e+2],a=e+3+r-4,o=(15&t[e+10])<<8|t[e+11],e+=12+o;e<a;){switch(s=(31&t[e+1])<<8|t[e+2],t[e]){case 207:if(!n){k.b.log("unkown stream type:"+t[e]);break}case 15:-1===l.audio&&(l.audio=s);break;case 21:-1===l.id3&&(l.id3=s);break;case 219:if(!n){k.b.log("unkown stream type:"+t[e]);break}case 27:-1===l.avc&&(l.avc=s);break;case 3:case 4:i?-1===l.audio&&(l.audio=s,l.isAAC=!1):k.b.log("MPEG audio found, not supported in this browser for now");break;case 36:k.b.warn("HEVC stream type found, not supported for now");break;default:k.b.log("unkown stream type:"+t[e])}e+=5+((15&t[e+3])<<8|t[e+4])}return l},t.prototype._parsePES=function(t){var e,i,n,r,a,o,s,l,u=0,d=t.data;if(!t||0===t.size)return null;for(;d[0].length<19&&d.length>1;){var c=new Uint8Array(d[0].length+d[1].length);c.set(d[0]),c.set(d[1],d[0].length),d[0]=c,d.splice(1,1)}if(e=d[0],1===(e[0]<<16)+(e[1]<<8)+e[2]){if((n=(e[4]<<8)+e[5])&&n>t.size-6)return null;i=e[7],192&i&&(o=536870912*(14&e[9])+4194304*(255&e[10])+16384*(254&e[11])+128*(255&e[12])+(254&e[13])/2,o>4294967295&&(o-=8589934592),64&i?(s=536870912*(14&e[14])+4194304*(255&e[15])+16384*(254&e[16])+128*(255&e[17])+(254&e[18])/2,s>4294967295&&(s-=8589934592),o-s>54e5&&(k.b.warn(Math.round((o-s)/9e4)+"s delta between PTS and DTS, align them"),o=s)):s=o),r=e[8],l=r+9,t.size-=l,a=new Uint8Array(t.size);for(var h=0,f=d.length;h<f;h++){e=d[h];var p=e.byteLength;if(l){if(l>p){l-=p;continue}e=e.subarray(l),p-=l,l=0}a.set(e,u),u+=p}return n&&(n-=r+3),{data:a,pts:o,dts:s,len:n}}return null},t.prototype.pushAccesUnit=function(t,e){if(t.units.length&&t.frame){var i=e.samples,n=i.length;!this.config.forceKeyFrameOnDiscontinuity||!0===t.key||e.sps&&(n||this.contiguous)?(t.id=n,i.push(t)):e.dropped++}t.debug.length&&k.b.log(t.pts+"/"+t.dts+":"+t.debug)},t.prototype._parseAVCPES=function(t,e){var i,n,r,a=this,o=this._avcTrack,s=this._parseAVCNALu(t.data),l=this.avcSample,u=!1,d=this.pushAccesUnit.bind(this),c=function(t,e,i,n){return{key:t,pts:e,dts:i,units:[],debug:n}};t.data=null,l&&s.length&&!o.audFound&&(d(l,o),l=this.avcSample=c(!1,t.pts,t.dts,"")),s.forEach(function(e){switch(e.type){case 1:n=!0,l||(l=a.avcSample=c(!0,t.pts,t.dts,"")),l.frame=!0;var s=e.data;if(u&&s.length>4){var h=new F(s).readSliceType();2!==h&&4!==h&&7!==h&&9!==h||(l.key=!0)}break;case 5:n=!0,l||(l=a.avcSample=c(!0,t.pts,t.dts,"")),l.key=!0,l.frame=!0;break;case 6:n=!0,i=new F(a.discardEPB(e.data)),i.readUByte();for(var f=0,p=0,g=!1,y=0;!g&&i.bytesAvailable>1;){f=0;do{y=i.readUByte(),f+=y}while(255===y);p=0;do{y=i.readUByte(),p+=y}while(255===y);if(4===f&&0!==i.bytesAvailable){g=!0;if(181===i.readUByte()){if(49===i.readUShort()){if(1195456820===i.readUInt()){if(3===i.readUByte()){var m=i.readUByte(),v=i.readUByte(),b=31&m,_=[m,v];for(r=0;r<b;r++)_.push(i.readUByte()),_.push(i.readUByte()),_.push(i.readUByte());a._insertSampleInOrder(a._txtTrack.samples,{type:3,pts:t.pts,bytes:_})}}}}}else if(p<i.bytesAvailable)for(r=0;r<p;r++)i.readUByte()}break;case 7:if(n=!0,u=!0,!o.sps){i=new F(e.data);var E=i.readSPS();o.width=E.width,o.height=E.height,o.pixelRatio=E.pixelRatio,o.sps=[e.data],o.duration=a._duration;var T=e.data.subarray(1,4),A="avc1.";for(r=0;r<3;r++){var S=T[r].toString(16);S.length<2&&(S="0"+S),A+=S}o.codec=A}break;case 8:n=!0,o.pps||(o.pps=[e.data]);break;case 9:n=!1,o.audFound=!0,l&&d(l,o),l=a.avcSample=c(!1,t.pts,t.dts,"");break;case 12:n=!1;break;default:n=!1,l&&(l.debug+="unknown NAL "+e.type+" ")}if(l&&n){l.units.push(e)}}),e&&l&&(d(l,o),this.avcSample=null)},t.prototype._insertSampleInOrder=function(t,e){var i=t.length;if(i>0){if(e.pts>=t[i-1].pts)t.push(e);else for(var n=i-1;n>=0;n--)if(e.pts<t[n].pts){t.splice(n,0,e);break}}else t.push(e)},t.prototype._getLastNalUnit=function(){var t=this.avcSample,e=void 0;if(!t||0===t.units.length){var i=this._avcTrack,n=i.samples;t=n[n.length-1]}if(t){var r=t.units;e=r[r.length-1]}return e},t.prototype._parseAVCNALu=function(t){var e,i,n,r,a,o=0,s=t.byteLength,l=this._avcTrack,u=l.naluState||0,d=u,c=[],h=-1;for(-1===u&&(h=0,a=31&t[0],u=0,o=1);o<s;)if(e=t[o++],u)if(1!==u)if(e)if(1===e){if(h>=0)n={data:t.subarray(h,o-u-1),type:a},c.push(n);else{var f=this._getLastNalUnit();if(f&&(d&&o<=4-d&&f.state&&(f.data=f.data.subarray(0,f.data.byteLength-d)),(i=o-u-1)>0)){var p=new Uint8Array(f.data.byteLength+i);p.set(f.data,0),p.set(t.subarray(0,i),f.data.byteLength),f.data=p}}o<s?(r=31&t[o],h=o,a=r,u=0):u=-1}else u=0;else u=3;else u=e?0:2;else u=e?0:1;if(h>=0&&u>=0&&(n={data:t.subarray(h,s),type:a,state:u},c.push(n)),0===c.length){var g=this._getLastNalUnit();if(g){var y=new Uint8Array(g.data.byteLength+t.byteLength);y.set(g.data,0),y.set(t,g.data.byteLength),g.data=y}}return l.naluState=u,c},t.prototype.discardEPB=function(t){for(var e,i,n=t.byteLength,r=[],a=1;a<n-2;)0===t[a]&&0===t[a+1]&&3===t[a+2]?(r.push(a+2),a+=2):a++;if(0===r.length)return t;e=n-r.length,i=new Uint8Array(e);var o=0;for(a=0;a<e;o++,a++)o===r[0]&&(o++,r.shift()),i[a]=t[o];return i},t.prototype._parseAACPES=function(t){var e,i,n,r,a,o=this._audioTrack,l=t.data,c=t.pts,f=this.aacOverFlow,p=this.aacLastPTS;if(f){var g=new Uint8Array(f.byteLength+l.byteLength);g.set(f,0),g.set(l,f.byteLength),l=g}for(n=0,a=l.length;n<a-1&&!s(l,n);n++);if(n){var y,m;if(n<a-1?(y="AAC PES did not start with ADTS header,offset:"+n,m=!1):(y="no ADTS header found in AAC PES",m=!0),k.b.warn("parsing error:"+y),this.observer.trigger(S.a.ERROR,{type:L.b.MEDIA_ERROR,details:L.a.FRAG_PARSING_ERROR,fatal:m,reason:y}),m)return}if(u(o,this.observer,l,n,this.audioCodec),i=0,e=d(o.samplerate),f&&p){var v=p+e;Math.abs(v-c)>1&&(k.b.log("AAC: align PTS for overlapping frames by "+Math.round((v-c)/90)),c=v)}for(;n<a;)if(s(l,n)&&n+5<a){var b=h(o,l,n,c,i);if(!b)break;n+=b.length,r=b.sample.pts,i++}else n++;f=n<a?l.subarray(n,a):null,this.aacOverFlow=f,this.aacLastPTS=r},t.prototype._parseMPEGPES=function(t){for(var e=t.data,i=e.length,n=0,r=0,a=t.pts;r<i;)if(N.isHeader(e,r)){var o=N.appendFrame(this._audioTrack,e,r,a,n);if(!o)break;r+=o.length,n++}else r++},t.prototype._parseID3PES=function(t){this._id3Track.samples.push(t)},t}(),K=G,V=function(){function t(e,i,n){v(this,t),this.observer=e,this.config=n,this.remuxer=i}return t.prototype.resetInitSegment=function(t,e,i,n){this._audioTrack={container:"audio/mpeg",type:"audio",id:-1,sequenceNumber:0,isAAC:!1,samples:[],len:0,manifestCodec:e,duration:n,inputTimeScale:9e4}},t.prototype.resetTimeStamp=function(){},t.probe=function(t){var e,i,n=w.a.getID3Data(t,0);if(n&&void 0!==w.a.getTimeStamp(n))for(e=n.length,i=Math.min(t.length-1,e+100);e<i;e++)if(N.probe(t,e))return k.b.log("MPEG Audio sync word found !"),!0;return!1},t.prototype.append=function(t,e,i,n){for(var r=w.a.getID3Data(t,0),a=90*w.a.getTimeStamp(r),o=r.length,s=t.length,l=0,u=0,d=this._audioTrack,c=[{pts:a,dts:a,data:r}];o<s;)if(N.isHeader(t,o)){var h=N.appendFrame(d,t,o,a,l);if(!h)break;o+=h.length,u=h.sample.pts,l++}else w.a.isHeader(t,o)?(r=w.a.getID3Data(t,o),c.push({pts:u,dts:u,data:r}),o+=r.length):o++;this.remuxer.remux(d,{samples:[]},{samples:c,inputTimeScale:9e4},{samples:[]},e,i,n)},t.prototype.destroy=function(){},t}(),Y=V,j=function(){function t(){b(this,t)}return t.getSilentFrame=function(t,e){switch(t){case"mp4a.40.2":if(1===e)return new Uint8Array([0,200,0,128,35,128]);if(2===e)return new Uint8Array([33,0,73,144,2,25,0,35,128]);if(3===e)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,142]);if(4===e)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,128,44,128,8,2,56]);if(5===e)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,130,48,4,153,0,33,144,2,56]);if(6===e)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,130,48,4,153,0,33,144,2,0,178,0,32,8,224]);break;default:if(1===e)return new Uint8Array([1,64,34,128,163,78,230,128,186,8,0,0,0,28,6,241,193,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94]);if(2===e)return new Uint8Array([1,64,34,128,163,94,230,128,186,8,0,0,0,0,149,0,6,241,161,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94]);if(3===e)return new Uint8Array([1,64,34,128,163,94,230,128,186,8,0,0,0,0,149,0,6,241,161,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94])}return null},t}(),H=j,$=Math.pow(2,32)-1,z=function(){function t(){_(this,t)}return t.init=function(){t.types={avc1:[],avcC:[],btrt:[],dinf:[],dref:[],esds:[],ftyp:[],hdlr:[],mdat:[],mdhd:[],mdia:[],mfhd:[],minf:[],moof:[],moov:[],mp4a:[],".mp3":[],mvex:[],mvhd:[],pasp:[],sdtp:[],stbl:[],stco:[],stsc:[],stsd:[],stsz:[],stts:[],tfdt:[],tfhd:[],traf:[],trak:[],trun:[],trex:[],tkhd:[],vmhd:[],smhd:[]};var e;for(e in t.types)t.types.hasOwnProperty(e)&&(t.types[e]=[e.charCodeAt(0),e.charCodeAt(1),e.charCodeAt(2),e.charCodeAt(3)]);var i=new Uint8Array([0,0,0,0,0,0,0,0,118,105,100,101,0,0,0,0,0,0,0,0,0,0,0,0,86,105,100,101,111,72,97,110,100,108,101,114,0]),n=new Uint8Array([0,0,0,0,0,0,0,0,115,111,117,110,0,0,0,0,0,0,0,0,0,0,0,0,83,111,117,110,100,72,97,110,100,108,101,114,0]);t.HDLR_TYPES={video:i,audio:n};var r=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,12,117,114,108,32,0,0,0,1]),a=new Uint8Array([0,0,0,0,0,0,0,0]);t.STTS=t.STSC=t.STCO=a,t.STSZ=new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0]),t.VMHD=new Uint8Array([0,0,0,1,0,0,0,0,0,0,0,0]),t.SMHD=new Uint8Array([0,0,0,0,0,0,0,0]),t.STSD=new Uint8Array([0,0,0,0,0,0,0,1]);var o=new Uint8Array([105,115,111,109]),s=new Uint8Array([97,118,99,49]),l=new Uint8Array([0,0,0,1]);t.FTYP=t.box(t.types.ftyp,o,l,o,s),t.DINF=t.box(t.types.dinf,t.box(t.types.dref,r))},t.box=function(t){for(var e,i=Array.prototype.slice.call(arguments,1),n=8,r=i.length,a=r;r--;)n+=i[r].byteLength;for(e=new Uint8Array(n),e[0]=n>>24&255,e[1]=n>>16&255,e[2]=n>>8&255,e[3]=255&n,e.set(t,4),r=0,n=8;r<a;r++)e.set(i[r],n),n+=i[r].byteLength;return e},t.hdlr=function(e){return t.box(t.types.hdlr,t.HDLR_TYPES[e])},t.mdat=function(e){return t.box(t.types.mdat,e)},t.mdhd=function(e,i){i*=e;var n=Math.floor(i/($+1)),r=Math.floor(i%($+1));return t.box(t.types.mdhd,new Uint8Array([1,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,e>>24&255,e>>16&255,e>>8&255,255&e,n>>24,n>>16&255,n>>8&255,255&n,r>>24,r>>16&255,r>>8&255,255&r,85,196,0,0]))},t.mdia=function(e){return t.box(t.types.mdia,t.mdhd(e.timescale,e.duration),t.hdlr(e.type),t.minf(e))},t.mfhd=function(e){return t.box(t.types.mfhd,new Uint8Array([0,0,0,0,e>>24,e>>16&255,e>>8&255,255&e]))},t.minf=function(e){return"audio"===e.type?t.box(t.types.minf,t.box(t.types.smhd,t.SMHD),t.DINF,t.stbl(e)):t.box(t.types.minf,t.box(t.types.vmhd,t.VMHD),t.DINF,t.stbl(e))},t.moof=function(e,i,n){return t.box(t.types.moof,t.mfhd(e),t.traf(n,i))},t.moov=function(e){for(var i=e.length,n=[];i--;)n[i]=t.trak(e[i]);return t.box.apply(null,[t.types.moov,t.mvhd(e[0].timescale,e[0].duration)].concat(n).concat(t.mvex(e)))},t.mvex=function(e){for(var i=e.length,n=[];i--;)n[i]=t.trex(e[i]);return t.box.apply(null,[t.types.mvex].concat(n))},t.mvhd=function(e,i){i*=e;var n=Math.floor(i/($+1)),r=Math.floor(i%($+1)),a=new Uint8Array([1,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,e>>24&255,e>>16&255,e>>8&255,255&e,n>>24,n>>16&255,n>>8&255,255&n,r>>24,r>>16&255,r>>8&255,255&r,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255,255,255,255]);return t.box(t.types.mvhd,a)},t.sdtp=function(e){var i,n,r=e.samples||[],a=new Uint8Array(4+r.length);for(n=0;n<r.length;n++)i=r[n].flags,a[n+4]=i.dependsOn<<4|i.isDependedOn<<2|i.hasRedundancy;return t.box(t.types.sdtp,a)},t.stbl=function(e){return t.box(t.types.stbl,t.stsd(e),t.box(t.types.stts,t.STTS),t.box(t.types.stsc,t.STSC),t.box(t.types.stsz,t.STSZ),t.box(t.types.stco,t.STCO))},t.avc1=function(e){var i,n,r,a=[],o=[];for(i=0;i<e.sps.length;i++)n=e.sps[i],r=n.byteLength,a.push(r>>>8&255),a.push(255&r),a=a.concat(Array.prototype.slice.call(n));for(i=0;i<e.pps.length;i++)n=e.pps[i],r=n.byteLength,o.push(r>>>8&255),o.push(255&r),o=o.concat(Array.prototype.slice.call(n));var s=t.box(t.types.avcC,new Uint8Array([1,a[3],a[4],a[5],255,224|e.sps.length].concat(a).concat([e.pps.length]).concat(o))),l=e.width,u=e.height,d=e.pixelRatio[0],c=e.pixelRatio[1];return t.box(t.types.avc1,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,l>>8&255,255&l,u>>8&255,255&u,0,72,0,0,0,72,0,0,0,0,0,0,0,1,18,100,97,105,108,121,109,111,116,105,111,110,47,104,108,115,46,106,115,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,17,17]),s,t.box(t.types.btrt,new Uint8Array([0,28,156,128,0,45,198,192,0,45,198,192])),t.box(t.types.pasp,new Uint8Array([d>>24,d>>16&255,d>>8&255,255&d,c>>24,c>>16&255,c>>8&255,255&c])))},t.esds=function(t){var e=t.config.length;return new Uint8Array([0,0,0,0,3,23+e,0,1,0,4,15+e,64,21,0,0,0,0,0,0,0,0,0,0,0,5].concat([e]).concat(t.config).concat([6,1,2]))},t.mp4a=function(e){var i=e.samplerate;return t.box(t.types.mp4a,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,e.channelCount,0,16,0,0,0,0,i>>8&255,255&i,0,0]),t.box(t.types.esds,t.esds(e)))},t.mp3=function(e){var i=e.samplerate;return t.box(t.types[".mp3"],new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,e.channelCount,0,16,0,0,0,0,i>>8&255,255&i,0,0]))},t.stsd=function(e){return"audio"===e.type?e.isAAC||"mp3"!==e.codec?t.box(t.types.stsd,t.STSD,t.mp4a(e)):t.box(t.types.stsd,t.STSD,t.mp3(e)):t.box(t.types.stsd,t.STSD,t.avc1(e))},t.tkhd=function(e){var i=e.id,n=e.duration*e.timescale,r=e.width,a=e.height,o=Math.floor(n/($+1)),s=Math.floor(n%($+1));return t.box(t.types.tkhd,new Uint8Array([1,0,0,7,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,i>>24&255,i>>16&255,i>>8&255,255&i,0,0,0,0,o>>24,o>>16&255,o>>8&255,255&o,s>>24,s>>16&255,s>>8&255,255&s,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,r>>8&255,255&r,0,0,a>>8&255,255&a,0,0]))},t.traf=function(e,i){var n=t.sdtp(e),r=e.id,a=Math.floor(i/($+1)),o=Math.floor(i%($+1));return t.box(t.types.traf,t.box(t.types.tfhd,new Uint8Array([0,0,0,0,r>>24,r>>16&255,r>>8&255,255&r])),t.box(t.types.tfdt,new Uint8Array([1,0,0,0,a>>24,a>>16&255,a>>8&255,255&a,o>>24,o>>16&255,o>>8&255,255&o])),t.trun(e,n.length+16+20+8+16+8+8),n)},t.trak=function(e){return e.duration=e.duration||4294967295,t.box(t.types.trak,t.tkhd(e),t.mdia(e))},t.trex=function(e){var i=e.id;return t.box(t.types.trex,new Uint8Array([0,0,0,0,i>>24,i>>16&255,i>>8&255,255&i,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1]))},t.trun=function(e,i){var n,r,a,o,s,l,u=e.samples||[],d=u.length,c=12+16*d,h=new Uint8Array(c);for(i+=8+c,h.set([0,0,15,1,d>>>24&255,d>>>16&255,d>>>8&255,255&d,i>>>24&255,i>>>16&255,i>>>8&255,255&i],0),n=0;n<d;n++)r=u[n],a=r.duration,o=r.size,s=r.flags,l=r.cts,h.set([a>>>24&255,a>>>16&255,a>>>8&255,255&a,o>>>24&255,o>>>16&255,o>>>8&255,255&o,s.isLeading<<2|s.dependsOn,s.isDependedOn<<6|s.hasRedundancy<<4|s.paddingValue<<1|s.isNonSync,61440&s.degradPrio,15&s.degradPrio,l>>>24&255,l>>>16&255,l>>>8&255,255&l],12+16*n);return t.box(t.types.trun,h)},t.initSegment=function(e){t.types||t.init();var i,n=t.moov(e);return i=new Uint8Array(t.FTYP.byteLength+n.byteLength),i.set(t.FTYP),i.set(n,t.FTYP.byteLength),i},t}(),W=z,q=function(){function t(e,i,n,r){E(this,t),this.observer=e,this.config=i,this.typeSupported=n;var a=navigator.userAgent;this.isSafari=r&&r.indexOf("Apple")>-1&&a&&!a.match("CriOS"),this.ISGenerated=!1}return t.prototype.destroy=function(){},t.prototype.resetTimeStamp=function(t){this._initPTS=this._initDTS=t},t.prototype.resetInitSegment=function(){this.ISGenerated=!1},t.prototype.remux=function(t,e,i,n,r,a,o){if(this.ISGenerated||this.generateIS(t,e,r),this.ISGenerated){var s=t.samples.length,l=e.samples.length,u=r,d=r;if(s&&l){var c=(t.samples[0].dts-e.samples[0].dts)/e.inputTimeScale;u+=Math.max(0,c),d+=Math.max(0,-c)}if(s){t.timescale||(k.b.warn("regenerate InitSegment as audio detected"),this.generateIS(t,e,r));var h=this.remuxAudio(t,u,a,o);if(l){var f=void 0;h&&(f=h.endPTS-h.startPTS),e.timescale||(k.b.warn("regenerate InitSegment as video detected"),this.generateIS(t,e,r)),this.remuxVideo(e,d,a,f,o)}}else{var p=void 0;l&&(p=this.remuxVideo(e,d,a,o)),p&&t.codec&&this.remuxEmptyAudio(t,u,a,p)}}i.samples.length&&this.remuxID3(i,r),n.samples.length&&this.remuxText(n,r),this.observer.trigger(S.a.FRAG_PARSED)},t.prototype.generateIS=function(t,e,i){var n,r,a=this.observer,o=t.samples,s=e.samples,l=this.typeSupported,u="audio/mp4",d={},c={tracks:d},h=void 0===this._initPTS;if(h&&(n=r=1/0),t.config&&o.length&&(t.timescale=t.samplerate,k.b.log("audio sampling rate : "+t.samplerate),t.isAAC||(l.mpeg?(u="audio/mpeg",t.codec=""):l.mp3&&(t.codec="mp3")),d.audio={container:u,codec:t.codec,initSegment:!t.isAAC&&l.mpeg?new Uint8Array:W.initSegment([t]),metadata:{channelCount:t.channelCount}},h&&(n=r=o[0].pts-t.inputTimeScale*i)),e.sps&&e.pps&&s.length){var f=e.inputTimeScale;e.timescale=f,d.video={container:"video/mp4",codec:e.codec,initSegment:W.initSegment([e]),metadata:{width:e.width,height:e.height}},h&&(n=Math.min(n,s[0].pts-f*i),r=Math.min(r,s[0].dts-f*i),this.observer.trigger(S.a.INIT_PTS_FOUND,{initPTS:n}))}Object.keys(d).length?(a.trigger(S.a.FRAG_PARSING_INIT_SEGMENT,c),this.ISGenerated=!0,h&&(this._initPTS=n,this._initDTS=r)):a.trigger(S.a.ERROR,{type:L.b.MEDIA_ERROR,details:L.a.FRAG_PARSING_ERROR,fatal:!1,reason:"no audio/video samples found"})},t.prototype.remuxVideo=function(t,e,i,n,r){var a,o,s,l,u,d,c,h=8,f=t.timescale,p=t.samples,g=[],y=p.length,m=this._PTSNormalize,v=this._initDTS,b=this.nextAvcDts,_=this.isSafari;_&&(i|=p.length&&b&&(r&&Math.abs(e-b/f)<.1||Math.abs(p[0].pts-b-v)<f/5)),i||(b=e*f),p.forEach(function(t){t.pts=m(t.pts-v,b),t.dts=m(t.dts-v,b)}),p.sort(function(t,e){var i=t.dts-e.dts,n=t.pts-e.pts;return i||(n||t.id-e.id)});var E=p.reduce(function(t,e){return Math.max(Math.min(t,e.pts-e.dts),-18e3)},0);if(E<0){k.b.warn("PTS < DTS detected in video samples, shifting DTS by "+Math.round(E/90)+" ms to overcome this issue");for(var T=0;T<p.length;T++)p[T].dts+=E}var A=p[0];u=Math.max(A.dts,0),l=Math.max(A.pts,0);var R=Math.round((u-b)/90);i&&R&&(R>1?k.b.log("AVC:"+R+" ms hole between fragments detected,filling it"):R<-1&&k.b.log("AVC:"+-R+" ms overlapping between fragments detected"),u=b,p[0].dts=u,l=Math.max(l-R,b),p[0].pts=l,k.b.log("Video/PTS/DTS adjusted: "+Math.round(l/90)+"/"+Math.round(u/90)+",delta:"+R+" ms")),A=p[p.length-1],c=Math.max(A.dts,0),d=Math.max(A.pts,0,c),_&&(a=Math.round((c-u)/(p.length-1)));for(var w=0,C=0,I=0;I<y;I++){for(var D=p[I],O=D.units,P=O.length,x=0,N=0;N<P;N++)x+=O[N].data.length;C+=x,w+=P,D.length=x,D.dts=_?u+I*a:Math.max(D.dts,u),D.pts=Math.max(D.pts,D.dts)}var M=C+4*w+8;try{o=new Uint8Array(M)}catch(t){return void this.observer.trigger(S.a.ERROR,{type:L.b.MUX_ERROR,details:L.a.REMUX_ALLOC_ERROR,fatal:!1,bytes:M,reason:"fail allocating video mdat "+M})}var F=new DataView(o.buffer);F.setUint32(0,M),o.set(W.types.mdat,4);for(var B=0;B<y;B++){for(var U=p[B],G=U.units,K=0,V=void 0,Y=0,j=G.length;Y<j;Y++){var H=G[Y],$=H.data,z=H.data.byteLength;F.setUint32(h,z),h+=4,o.set($,h),h+=z,K+=4+z}if(_)V=Math.max(0,a*Math.round((U.pts-U.dts)/a));else{if(B<y-1)a=p[B+1].dts-U.dts;else{var q=this.config,X=U.dts-p[B>0?B-1:B].dts;if(q.stretchShortVideoTrack){var Z=q.maxBufferHole,J=q.maxSeekHole,Q=Math.floor(Math.min(Z,J)*f),tt=(n?l+n*f:this.nextAudioPts)-U.pts;tt>Q?(a=tt-X,a<0&&(a=X),k.b.log("It is approximately "+tt/90+" ms to the next segment; using duration "+a/90+" ms for the last video frame.")):a=X}else a=X}V=Math.round(U.pts-U.dts)}g.push({size:K,duration:a,cts:V,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:U.key?2:1,isNonSync:U.key?0:1}})}this.nextAvcDts=c+a;var et=t.dropped;if(t.len=0,t.nbNalu=0,t.dropped=0,g.length&&navigator.userAgent.toLowerCase().indexOf("chrome")>-1){var it=g[0].flags;it.dependsOn=2,it.isNonSync=0}t.samples=g,s=W.moof(t.sequenceNumber++,u,t),t.samples=[];var nt={data1:s,data2:o,startPTS:l/f,endPTS:(d+a)/f,startDTS:u/f,endDTS:this.nextAvcDts/f,type:"video",nb:g.length,dropped:et};return this.observer.trigger(S.a.FRAG_PARSING_DATA,nt),nt},t.prototype.remuxAudio=function(t,e,i,n){var r,a,o,s,l,u,d,c=t.inputTimeScale,h=t.timescale,f=c/h,p=t.isAAC?1024:1152,g=p*f,y=this._PTSNormalize,m=this._initDTS,v=!t.isAAC&&this.typeSupported.mpeg,b=t.samples,_=[],E=this.nextAudioPts;if(i|=b.length&&E&&(n&&Math.abs(e-E/c)<.1||Math.abs(b[0].pts-E-m)<20*g),i||(E=e*c),b.forEach(function(t){t.pts=t.dts=y(t.pts-m,E)}),b.sort(function(t,e){return t.pts-e.pts}),n&&t.isAAC)for(var T=this.config.maxAudioFramesDrift,A=0,R=E;A<b.length;){var w,C=b[A],I=C.pts;w=I-R;var D=Math.abs(1e3*w/c);if(w<=-T*g)k.b.warn("Dropping 1 audio frame @ "+(R/c).toFixed(3)+"s due to "+Math.round(D)+" ms overlap."),b.splice(A,1),t.len-=C.unit.length;else if(w>=T*g&&D<1e4&&R){var O=Math.round(w/g);k.b.warn("Injecting "+O+" audio frame @ "+(R/c).toFixed(3)+"s due to "+Math.round(1e3*w/c)+" ms gap.");for(var P=0;P<O;P++){var x=Math.max(R,0);o=H.getSilentFrame(t.manifestCodec||t.codec,t.channelCount),o||(k.b.log("Unable to get silent frame for given audio codec; duplicating last frame instead."),o=C.unit.subarray()),b.splice(A,0,{unit:o,pts:x,dts:x}),t.len+=o.length,R+=g,A++}C.pts=C.dts=R,R+=g,A++}else Math.abs(w),C.pts=C.dts=R,R+=g,A++}for(var N=0,M=b.length;N<M;N++){var F=b[N],B=F.unit,U=F.pts;if(void 0!==d)a.duration=Math.round((U-d)/f);else{var G=Math.round(1e3*(U-E)/c),K=0;if(i&&t.isAAC&&G){if(G>0&&G<1e4)K=Math.round((U-E)/g),k.b.log(G+" ms hole between AAC samples detected,filling it"),K>0&&(o=H.getSilentFrame(t.manifestCodec||t.codec,t.channelCount),o||(o=B.subarray()),t.len+=K*o.length);else if(G<-12){k.b.log("drop overlapping AAC sample, expected/parsed/delta:"+(E/c).toFixed(3)+"s/"+(U/c).toFixed(3)+"s/"+-G+"ms"),t.len-=B.byteLength;continue}U=E}if(u=Math.max(0,U),!(t.len>0))return;var V=v?t.len:t.len+8;r=v?0:8;try{s=new Uint8Array(V)}catch(t){return void this.observer.trigger(S.a.ERROR,{type:L.b.MUX_ERROR,details:L.a.REMUX_ALLOC_ERROR,fatal:!1,bytes:V,reason:"fail allocating audio mdat "+V})}if(!v){new DataView(s.buffer).setUint32(0,V),s.set(W.types.mdat,4)}for(var Y=0;Y<K;Y++)o=H.getSilentFrame(t.manifestCodec||t.codec,t.channelCount),o||(k.b.log("Unable to get silent frame for given audio codec; duplicating this frame instead."),o=B.subarray()),s.set(o,r),r+=o.byteLength,a={size:o.byteLength,cts:0,duration:1024,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:1}},_.push(a)}s.set(B,r);var j=B.byteLength;r+=j,a={size:j,cts:0,duration:0,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:1}},_.push(a),d=U}var $=0,z=_.length;if(z>=2&&($=_[z-2].duration,a.duration=$),z){this.nextAudioPts=E=d+f*$,t.len=0,t.samples=_,l=v?new Uint8Array:W.moof(t.sequenceNumber++,u/f,t),t.samples=[];var q=u/c,X=E/c,Z={data1:l,data2:s,startPTS:q,endPTS:X,startDTS:q,endDTS:X,type:"audio",nb:z};return this.observer.trigger(S.a.FRAG_PARSING_DATA,Z),Z}return null},t.prototype.remuxEmptyAudio=function(t,e,i,n){var r=t.inputTimeScale,a=t.samplerate?t.samplerate:r,o=r/a,s=this.nextAudioPts,l=(void 0!==s?s:n.startDTS*r)+this._initDTS,u=n.endDTS*r+this._initDTS,d=1024*o,c=Math.ceil((u-l)/d),h=H.getSilentFrame(t.manifestCodec||t.codec,t.channelCount);if(k.b.warn("remux empty Audio"),!h)return void k.b.trace("Unable to remuxEmptyAudio since we were unable to get a silent frame for given audio codec!");for(var f=[],p=0;p<c;p++){var g=l+p*d;f.push({unit:h,pts:g,dts:g}),t.len+=h.length}t.samples=f,this.remuxAudio(t,e,i)},t.prototype.remuxID3=function(t,e){var i,n=t.samples.length,r=t.inputTimeScale,a=this._initPTS,o=this._initDTS;if(n){for(var s=0;s<n;s++)i=t.samples[s],i.pts=(i.pts-a)/r,i.dts=(i.dts-o)/r;this.observer.trigger(S.a.FRAG_PARSING_METADATA,{samples:t.samples})}t.samples=[],e=e},t.prototype.remuxText=function(t,e){t.samples.sort(function(t,e){return t.pts-e.pts});var i,n=t.samples.length,r=t.inputTimeScale,a=this._initPTS;if(n){for(var o=0;o<n;o++)i=t.samples[o],i.pts=(i.pts-a)/r;this.observer.trigger(S.a.FRAG_PARSING_USERDATA,{samples:t.samples})}t.samples=[],e=e},t.prototype._PTSNormalize=function(t,e){var i;if(void 0===e)return t;for(i=e<t?-8589934592:8589934592;Math.abs(t-e)>4294967296;)t+=i;return t},t}(),X=q,Z=function(){function t(e){T(this,t),this.observer=e}return t.prototype.destroy=function(){},t.prototype.resetTimeStamp=function(){},t.prototype.resetInitSegment=function(){},t.prototype.remux=function(t,e,i,n,r,a,o,s){var l=this.observer,u="";t&&(u+="audio"),e&&(u+="video"),l.trigger(S.a.FRAG_PARSING_DATA,{data1:s,startPTS:r,startDTS:r,type:u,nb:1,dropped:0}),l.trigger(S.a.FRAG_PARSED)},t}(),J=Z,Q=function(){function t(e,i,n,r){A(this,t),this.observer=e,this.typeSupported=i,this.config=n,this.vendor=r}return t.prototype.destroy=function(){var t=this.demuxer;t&&t.destroy()},t.prototype.push=function(t,e,i,n,r,a,o,s,l,u,d,c){if(t.byteLength>0&&null!=e&&null!=e.key&&"AES-128"===e.method){var h=this.decrypter;null==h&&(h=this.decrypter=new R.a(this.observer,this.config));var f,p=this;try{f=performance.now()}catch(t){f=Date.now()}h.decrypt(t,e.key.buffer,e.iv.buffer,function(t){var h;try{h=performance.now()}catch(t){h=Date.now()}p.observer.trigger(S.a.FRAG_DECRYPTED,{stats:{tstart:f,tdecrypt:h}}),p.pushDecrypted(new Uint8Array(t),e,new Uint8Array(i),n,r,a,o,s,l,u,d,c)})}else this.pushDecrypted(new Uint8Array(t),e,new Uint8Array(i),n,r,a,o,s,l,u,d,c)},t.prototype.pushDecrypted=function(t,e,i,n,r,a,o,s,l,u,d,c){var h=this.demuxer;if(!h||o&&!this.probe(t)){for(var f=this.observer,p=this.typeSupported,g=this.config,y=[{demux:K,remux:X},{demux:I,remux:X},{demux:Y,remux:X},{demux:P,remux:J}],m=0,v=y.length;m<v;m++){var b=y[m],_=b.demux.probe;if(_(t)){var E=this.remuxer=new b.remux(f,g,p,this.vendor);h=new b.demux(f,E,g,p),this.probe=_;break}}if(!h)return void f.trigger(S.a.ERROR,{type:L.b.MEDIA_ERROR,details:L.a.FRAG_PARSING_ERROR,fatal:!0,reason:"no demux matching with content found"});this.demuxer=h}var T=this.remuxer;(o||s)&&(h.resetInitSegment(i,n,r,u),T.resetInitSegment()),o&&(h.resetTimeStamp(c),T.resetTimeStamp(c)),"function"==typeof h.setDecryptData&&h.setDecryptData(e),h.append(t,a,l,d)},t}();e.a=Q},function(t,e,i){"use strict";function n(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function r(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function a(t,e){var i=Bt[e];return!!i&&!0===i[t.slice(0,4)]}function o(t){return MediaSource.isTypeSupported('video/mp4;codecs="'+t+'"')}function s(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}function l(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof 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"+r.sn+",level "+r.level+", there should be some duration drift between playlist and fragment!"))}function b(t,e,i,n,r,a){var o=i;if(!isNaN(e.startPTS)){var s=Math.abs(e.startPTS-i);isNaN(e.deltaPTS)?e.deltaPTS=s:e.deltaPTS=Math.max(s,e.deltaPTS),o=Math.max(i,e.startPTS),i=Math.min(i,e.startPTS),n=Math.max(n,e.endPTS),r=Math.min(r,e.startDTS),a=Math.max(a,e.endDTS)}var l=i-e.start;e.start=e.startPTS=i,e.maxStartPTS=o,e.endPTS=n,e.startDTS=r,e.endDTS=a,e.duration=n-i;var u=e.sn;if(!t||u<t.startSN||u>t.endSN)return 0;var d,c,h;for(d=u-t.startSN,c=t.fragments,c[d]=e,h=d;h>0;h--)v(c,h,h-1);for(h=d;h<c.length-1;h++)v(c,h,h+1);return t.PTSKnown=!0,l}function _(t,e){var i,n=Math.max(t.startSN,e.startSN)-e.startSN,r=Math.min(t.endSN,e.endSN)-e.startSN,a=e.startSN-t.startSN,o=t.fragments,s=e.fragments,l=0;if(r<n)return void(e.PTSKnown=!1);for(var u=n;u<=r;u++){var d=o[a+u],c=s[u];c&&d&&(l=d.cc-c.cc,isNaN(d.startPTS)||(c.start=c.startPTS=d.startPTS,c.endPTS=d.endPTS,c.duration=d.duration,c.backtracked=d.backtracked,c.dropped=d.dropped,i=c))}if(l)for(It.b.log("discontinuity sliding from playlist, take drift into account"),u=0;u<s.length;u++)s[u].cc+=l;if(i)b(e,i,i.startPTS,i.endPTS,i.startDTS,i.endDTS);else if(a>=0&&a<o.length){var h=o[a].start;for(u=0;u<s.length;u++)s[u].start+=h}e.PTSKnown=t.PTSKnown}function E(t,e){for(var i=null,n=0;n<t.length;n+=1){var r=t[n];if(r&&r.cc===e){i=r;break}}return i}function T(t,e){return Qt.search(t,function(t){return t.cc<e?1:t.cc>e?-1:0})}function A(t,e,i){var n=!1;return e&&e.details&&i&&(i.endCC>i.startCC||t&&t.cc<i.startCC)&&(n=!0),n}function S(t,e){var i=t.fragments,n=e.fragments;if(!n.length||!i.length)return void It.b.log("No fragments to align");var r=E(i,n[0].cc);return!r||r&&!r.startPTS?void It.b.log("No frag in previous level to align on"):r}function L(t,e){e.fragments.forEach(function(e){if(e){var i=e.start+t;e.start=e.startPTS=i,e.endPTS=i+e.duration}}),e.PTSKnown=!0}function R(t,e,i){if(A(t,e,i)){var n=S(e.details,i);n&&(It.b.log("Adjusting PTS using last level due to CC increase within current level"),L(n.start,i))}if(!1===i.PTSKnown&&e&&e.details){var r=e.details.programDateTime,a=i.programDateTime,o=(a-r)/1e3+e.details.fragments[0].start;isNaN(o)||(It.b.log("adjusting PTS using programDateTime delta, sliding:"+o.toFixed(3)),L(o,i))}}function k(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function w(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}function C(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof 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i.length>2?(e=i.shift()+".",e+=parseInt(i.shift()).toString(16),e+=("000"+parseInt(i.shift()).toString(16)).substr(-4)):e=t,e},e.prototype.parseLevelPlaylist=function(t,e,i,n){var r,a,o=0,s=0,l={type:null,version:null,url:e,fragments:[],live:!0,startSN:0},u=new jt,d=0,c=null,h=new Ht;for(Vt.lastIndex=0;null!==(r=Vt.exec(t));){var f=r[1];if(f){h.duration=parseFloat(f);var p=(" "+r[2]).slice(1);h.title=p||null,h.tagList.push(p?["INF",f,p]:["INF",f])}else if(r[3]){if(!isNaN(h.duration)){var g=o++;h.type=n,h.start=s,h.levelkey=u,h.sn=g,h.level=i,h.cc=d,h.baseurl=e,h.relurl=(" "+r[3]).slice(1),l.fragments.push(h),c=h,s+=h.duration,h=new Ht}}else if(r[4]){if(h.rawByteRange=(" "+r[4]).slice(1),c){var y=c.byteRangeEndOffset;y&&(h.lastByteRangeEndOffset=y)}}else if(r[5])h.rawProgramDateTime=(" "+r[5]).slice(1),h.tagList.push(["PROGRAM-DATE-TIME",h.rawProgramDateTime]),void 0===l.programDateTime&&(l.programDateTime=new Date(new 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Ht;break;default:It.b.warn("line parsed but not handled: "+r)}}}return h=c,h&&!h.relurl&&(l.fragments.pop(),s-=h.duration),l.totalduration=s,l.averagetargetduration=s/l.fragments.length,l.endSN=o-1,l.startCC=l.fragments[0]?l.fragments[0].cc:0,l.endCC=d,l},e.prototype.loadsuccess=function(t,e,i){var n=arguments.length>3&&void 0!==arguments[3]?arguments[3]:null,r=t.data,a=t.url,o=i.type,s=i.id,l=i.level,u=this.hls;if(this.loaders[o]=void 0,void 0!==a&&0!==a.indexOf("data:")||(a=i.url),e.tload=performance.now(),0===r.indexOf("#EXTM3U"))if(r.indexOf("#EXTINF:")>0){var d="audioTrack"!==o&&"subtitleTrack"!==o,c=isNaN(l)?isNaN(s)?0:s:l,h=this.parseLevelPlaylist(r,a,c,"audioTrack"===o?"audio":"subtitleTrack"===o?"subtitle":"main");h.tload=e.tload,"manifest"===o&&u.trigger(wt.a.MANIFEST_LOADED,{levels:[{url:a,details:h}],audioTracks:[],url:a,stats:e,networkDetails:n}),e.tparsed=performance.now(),h.targetduration?d?u.trigger(wt.a.LEVEL_LOADED,{details:h,level:l||0,id:s||0,stats:e,networkDetails:n}):"audioTrack"===o?u.trigger(wt.a.AUDIO_TRACK_LOADED,{details:h,id:s,stats:e,networkDetails:n}):"subtitleTrack"===o&&u.trigger(wt.a.SUBTITLE_TRACK_LOADED,{details:h,id:s,stats:e,networkDetails:n}):u.trigger(wt.a.ERROR,{type:Ct.b.NETWORK_ERROR,details:Ct.a.MANIFEST_PARSING_ERROR,fatal:!0,url:a,reason:"invalid targetduration",networkDetails:n})}else{var f=this.parseMasterPlaylist(r,a);if(f.length){var p=this.parseMasterPlaylistMedia(r,a,"AUDIO",f[0].audioCodec),g=this.parseMasterPlaylistMedia(r,a,"SUBTITLES");if(p.length){var y=!1;p.forEach(function(t){t.url||(y=!0)}),!1===y&&f[0].audioCodec&&!f[0].attrs.AUDIO&&(It.b.log("audio codec signaled in quality level, but no embedded audio track signaled, create one"),p.unshift({type:"main",name:"main"}))}u.trigger(wt.a.MANIFEST_LOADED,{levels:f,audioTracks:p,subtitles:g,url:a,stats:e,networkDetails:n})}else u.trigger(wt.a.ERROR,{type:Ct.b.NETWORK_ERROR,details:Ct.a.MANIFEST_PARSING_ERROR,fatal:!0,url:a,reason:"no level found in manifest",networkDetails:n})}else u.trigger(wt.a.ERROR,{type:Ct.b.NETWORK_ERROR,details:Ct.a.MANIFEST_PARSING_ERROR,fatal:!0,url:a,reason:"no EXTM3U delimiter",networkDetails:n})},e.prototype.loaderror=function(t,e){var i,n,r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null,a=e.loader;switch(e.type){case"manifest":i=Ct.a.MANIFEST_LOAD_ERROR,n=!0;break;case"level":i=Ct.a.LEVEL_LOAD_ERROR,n=!1;break;case"audioTrack":i=Ct.a.AUDIO_TRACK_LOAD_ERROR,n=!1}a&&(a.abort(),this.loaders[e.type]=void 0),this.hls.trigger(wt.a.ERROR,{type:Ct.b.NETWORK_ERROR,details:i,fatal:n,url:a.url,loader:a,response:t,context:e,networkDetails:r})},e.prototype.loadtimeout=function(t,e){var i,n,r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null,a=e.loader;switch(e.type){case"manifest":i=Ct.a.MANIFEST_LOAD_TIMEOUT,n=!0;break;case"level":i=Ct.a.LEVEL_LOAD_TIMEOUT,n=!1;break;case"audioTrack":i=Ct.a.AUDIO_TRACK_LOAD_TIMEOUT,n=!1}a&&(a.abort(),this.loaders[e.type]=void 0),this.hls.trigger(wt.a.ERROR,{type:Ct.b.NETWORK_ERROR,details:i,fatal:n,url:a.url,loader:a,context:e,networkDetails:r})},e}(Pt),zt=$t,Wt=function(t){function e(i){d(this,e);var n=c(this,t.call(this,i,wt.a.FRAG_LOADING));return n.loaders={},n}return h(e,t),e.prototype.destroy=function(){var t=this.loaders;for(var e in t){var i=t[e];i&&i.destroy()}this.loaders={},Pt.prototype.destroy.call(this)},e.prototype.onFragLoading=function(t){var e=t.frag,i=e.type,n=this.loaders[i],r=this.hls.config;e.loaded=0,n&&(It.b.warn("abort previous fragment loader for type:"+i),n.abort()),n=this.loaders[i]=e.loader=void 0!==r.fLoader?new r.fLoader(r):new r.loader(r);var a=void 0,o=void 0,s=void 0;a={url:e.url,frag:e,responseType:"arraybuffer",progressData:!1};var l=e.byteRangeStartOffset,u=e.byteRangeEndOffset;isNaN(l)||isNaN(u)||(a.rangeStart=l,a.rangeEnd=u),o={timeout:r.fragLoadingTimeOut,maxRetry:0,retryDelay:0,maxRetryDelay:r.fragLoadingMaxRetryTimeout},s={onSuccess:this.loadsuccess.bind(this),onError:this.loaderror.bind(this),onTimeout:this.loadtimeout.bind(this),onProgress:this.loadprogress.bind(this)},n.load(a,o,s)},e.prototype.loadsuccess=function(t,e,i){var n=arguments.length>3&&void 0!==arguments[3]?arguments[3]:null,r=t.data,a=i.frag;a.loader=void 0,this.loaders[a.type]=void 0,this.hls.trigger(wt.a.FRAG_LOADED,{payload:r,frag:a,stats:e,networkDetails:n})},e.prototype.loaderror=function(t,e){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null,n=e.loader;n&&n.abort(),this.loaders[e.type]=void 0,this.hls.trigger(wt.a.ERROR,{type:Ct.b.NETWORK_ERROR,details:Ct.a.FRAG_LOAD_ERROR,fatal:!1,frag:e.frag,response:t,networkDetails:i})},e.prototype.loadtimeout=function(t,e){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null,n=e.loader;n&&n.abort(),this.loaders[e.type]=void 0,this.hls.trigger(wt.a.ERROR,{type:Ct.b.NETWORK_ERROR,details:Ct.a.FRAG_LOAD_TIMEOUT,fatal:!1,frag:e.frag,networkDetails:i})},e.prototype.loadprogress=function(t,e,i){var n=arguments.length>3&&void 0!==arguments[3]?arguments[3]:null,r=e.frag;r.loaded=t.loaded,this.hls.trigger(wt.a.FRAG_LOAD_PROGRESS,{frag:r,stats:t,networkDetails:n})},e}(Pt),qt=Wt,Xt=function(t){function e(i){f(this,e);var n=p(this,t.call(this,i,wt.a.KEY_LOADING));return n.loaders={},n.decryptkey=null,n.decrypturl=null,n}return g(e,t),e.prototype.destroy=function(){for(var t in this.loaders){var e=this.loaders[t];e&&e.destroy()}this.loaders={},Pt.prototype.destroy.call(this)},e.prototype.onKeyLoading=function(t){var e=t.frag,i=e.type,n=this.loaders[i],r=e.decryptdata,a=r.uri;if(a!==this.decrypturl||null===this.decryptkey){var o=this.hls.config;n&&(It.b.warn("abort previous key loader for type:"+i),n.abort()),e.loader=this.loaders[i]=new o.loader(o),this.decrypturl=a,this.decryptkey=null;var s=void 0,l=void 0,u=void 0;s={url:a,frag:e,responseType:"arraybuffer"},l={timeout:o.fragLoadingTimeOut,maxRetry:o.fragLoadingMaxRetry,retryDelay:o.fragLoadingRetryDelay,maxRetryDelay:o.fragLoadingMaxRetryTimeout},u={onSuccess:this.loadsuccess.bind(this),onError:this.loaderror.bind(this),onTimeout:this.loadtimeout.bind(this)},e.loader.load(s,l,u)}else this.decryptkey&&(r.key=this.decryptkey,this.hls.trigger(wt.a.KEY_LOADED,{frag:e}))},e.prototype.loadsuccess=function(t,e,i){var n=i.frag;this.decryptkey=n.decryptdata.key=new Uint8Array(t.data),n.loader=void 0,this.loaders[n.type]=void 0,this.hls.trigger(wt.a.KEY_LOADED,{frag:n})},e.prototype.loaderror=function(t,e){var i=e.frag,n=i.loader;n&&n.abort(),this.loaders[e.type]=void 0,this.hls.trigger(wt.a.ERROR,{type:Ct.b.NETWORK_ERROR,details:Ct.a.KEY_LOAD_ERROR,fatal:!1,frag:i,response:t})},e.prototype.loadtimeout=function(t,e){var i=e.frag,n=i.loader;n&&n.abort(),this.loaders[e.type]=void 0,this.hls.trigger(wt.a.ERROR,{type:Ct.b.NETWORK_ERROR,details:Ct.a.KEY_LOAD_TIMEOUT,fatal:!1,frag:i})},e}(Pt),Zt=Xt,Jt={search:function(t,e){for(var i=0,n=t.length-1,r=null,a=null;i<=n;){r=(i+n)/2|0,a=t[r];var o=e(a);if(o>0)i=r+1;else{if(!(o<0))return a;n=r-1}}return null}},Qt=Jt,te={isBuffered:function(t,e){if(t)for(var i=t.buffered,n=0;n<i.length;n++)if(e>=i.start(n)&&e<=i.end(n))return!0;return!1},bufferInfo:function(t,e,i){if(t){var n,r=t.buffered,a=[];for(n=0;n<r.length;n++)a.push({start:r.start(n),end:r.end(n)});return this.bufferedInfo(a,e,i)}return{len:0,start:e,end:e,nextStart:void 0}},bufferedInfo:function(t,e,i){var n,r,a,o,s,l=[];for(t.sort(function(t,e){var i=t.start-e.start;return i||e.end-t.end}),s=0;s<t.length;s++){var u=l.length;if(u){var d=l[u-1].end;t[s].start-d<i?t[s].end>d&&(l[u-1].end=t[s].end):l.push(t[s])}else l.push(t[s])}for(s=0,n=0,r=a=e;s<l.length;s++){var c=l[s].start,h=l[s].end;if(e+i>=c&&e<h)r=c,a=h,n=a-e;else if(e+i<c){o=c;break}}return{len:n,start:r,end:a,nextStart:o}}},ee=te,ie=i(7),ne=i(5),re=i.n(ne),ae=i(9),oe=i.n(ae),se=y(),le=function(){function t(e,i){m(this,t),this.hls=e,this.id=i;var n=this.observer=new re.a,r=e.config;n.trigger=function(t){for(var e=arguments.length,i=Array(e>1?e-1:0),r=1;r<e;r++)i[r-1]=arguments[r];n.emit.apply(n,[t,t].concat(i))},n.off=function(t){for(var e=arguments.length,i=Array(e>1?e-1:0),r=1;r<e;r++)i[r-1]=arguments[r];n.removeListener.apply(n,[t].concat(i))};var a=function(t,i){i=i||{},i.frag=this.frag,i.id=this.id,e.trigger(t,i)}.bind(this);n.on(wt.a.FRAG_DECRYPTED,a),n.on(wt.a.FRAG_PARSING_INIT_SEGMENT,a),n.on(wt.a.FRAG_PARSING_DATA,a),n.on(wt.a.FRAG_PARSED,a),n.on(wt.a.ERROR,a),n.on(wt.a.FRAG_PARSING_METADATA,a),n.on(wt.a.FRAG_PARSING_USERDATA,a),n.on(wt.a.INIT_PTS_FOUND,a);var o={mp4:se.isTypeSupported("video/mp4"),mpeg:se.isTypeSupported("audio/mpeg"),mp3:se.isTypeSupported('audio/mp4; codecs="mp3"')},s=navigator.vendor;if(r.enableWorker&&"undefined"!=typeof Worker){It.b.log("demuxing in webworker");var l=void 0;try{l=this.w=oe()(10),this.onwmsg=this.onWorkerMessage.bind(this),l.addEventListener("message",this.onwmsg),l.onerror=function(t){e.trigger(wt.a.ERROR,{type:Ct.b.OTHER_ERROR,details:Ct.a.INTERNAL_EXCEPTION,fatal:!0,event:"demuxerWorker",err:{message:t.message+" ("+t.filename+":"+t.lineno+")"}})},l.postMessage({cmd:"init",typeSupported:o,vendor:s,id:i,config:JSON.stringify(r)})}catch(t){It.b.error("error while initializing DemuxerWorker, fallback on DemuxerInline"),l&&URL.revokeObjectURL(l.objectURL),this.demuxer=new ie.a(n,o,r,s),this.w=void 0}}else this.demuxer=new ie.a(n,o,r,s)}return t.prototype.destroy=function(){var t=this.w;if(t)t.removeEventListener("message",this.onwmsg),t.terminate(),this.w=null;else{var e=this.demuxer;e&&(e.destroy(),this.demuxer=null)}var i=this.observer;i&&(i.removeAllListeners(),this.observer=null)},t.prototype.push=function(t,e,i,n,r,a,o,s){var l=this.w,u=isNaN(r.startDTS)?r.start:r.startDTS,d=r.decryptdata,c=this.frag,h=!(c&&r.cc===c.cc),f=!(c&&r.level===c.level),p=c&&r.sn===c.sn+1,g=!f&&p;if(h&&It.b.log(this.id+":discontinuity detected"),f&&It.b.log(this.id+":switch detected"),this.frag=r,l)l.postMessage({cmd:"demux",data:t,decryptdata:d,initSegment:e,audioCodec:i,videoCodec:n,timeOffset:u,discontinuity:h,trackSwitch:f,contiguous:g,duration:a,accurateTimeOffset:o,defaultInitPTS:s},t instanceof ArrayBuffer?[t]:[]);else{var y=this.demuxer;y&&y.push(t,d,e,i,n,u,h,f,g,a,o,s)}},t.prototype.onWorkerMessage=function(t){var e=t.data,i=this.hls;switch(e.event){case"init":URL.revokeObjectURL(this.w.objectURL);break;case wt.a.FRAG_PARSING_DATA:e.data.data1=new Uint8Array(e.data1),e.data2&&(e.data.data2=new Uint8Array(e.data2));default:e.data=e.data||{},e.data.frag=this.frag,e.data.id=this.id,i.trigger(e.event,e.data)}},t}(),ue=le,de={toString:function(t){for(var e="",i=t.length,n=0;n<i;n++)e+="["+t.start(n).toFixed(3)+","+t.end(n).toFixed(3)+"]";return e}},ce=de,he=function(){function t(t,e){for(var i=0;i<e.length;i++){var n=e[i];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(t,n.key,n)}}return function(e,i,n){return i&&t(e.prototype,i),n&&t(e,n),e}}(),fe={STOPPED:"STOPPED",IDLE:"IDLE",KEY_LOADING:"KEY_LOADING",FRAG_LOADING:"FRAG_LOADING",FRAG_LOADING_WAITING_RETRY:"FRAG_LOADING_WAITING_RETRY",WAITING_LEVEL:"WAITING_LEVEL",PARSING:"PARSING",PARSED:"PARSED",BUFFER_FLUSHING:"BUFFER_FLUSHING",ENDED:"ENDED",ERROR:"ERROR"},pe=function(t){function e(i){k(this,e);var n=w(this,t.call(this,i,wt.a.MEDIA_ATTACHED,wt.a.MEDIA_DETACHING,wt.a.MANIFEST_LOADING,wt.a.MANIFEST_PARSED,wt.a.LEVEL_LOADED,wt.a.KEY_LOADED,wt.a.FRAG_LOADED,wt.a.FRAG_LOAD_EMERGENCY_ABORTED,wt.a.FRAG_PARSING_INIT_SEGMENT,wt.a.FRAG_PARSING_DATA,wt.a.FRAG_PARSED,wt.a.ERROR,wt.a.AUDIO_TRACK_SWITCHING,wt.a.AUDIO_TRACK_SWITCHED,wt.a.BUFFER_CREATED,wt.a.BUFFER_APPENDED,wt.a.BUFFER_FLUSHED));return n.config=i.config,n.audioCodecSwap=!1,n.ticks=0,n._state=fe.STOPPED,n.ontick=n.tick.bind(n),n}return C(e,t),e.prototype.destroy=function(){this.stopLoad(),this.timer&&(clearInterval(this.timer),this.timer=null),Pt.prototype.destroy.call(this),this.state=fe.STOPPED},e.prototype.startLoad=function(t){if(this.levels){var e=this.lastCurrentTime,i=this.hls;if(this.stopLoad(),this.timer||(this.timer=setInterval(this.ontick,100)),this.level=-1,this.fragLoadError=0,!this.startFragRequested){var n=i.startLevel;-1===n&&(n=0,this.bitrateTest=!0),this.level=i.nextLoadLevel=n,this.loadedmetadata=!1}e>0&&-1===t&&(It.b.log("override startPosition with lastCurrentTime @"+e.toFixed(3)),t=e),this.state=fe.IDLE,this.nextLoadPosition=this.startPosition=this.lastCurrentTime=t,this.tick()}else this.forceStartLoad=!0,this.state=fe.STOPPED},e.prototype.stopLoad=function(){var t=this.fragCurrent;t&&(t.loader&&t.loader.abort(),this.fragCurrent=null),this.fragPrevious=null,this.demuxer&&(this.demuxer.destroy(),this.demuxer=null),this.state=fe.STOPPED,this.forceStartLoad=!1},e.prototype.tick=function(){1===++this.ticks&&(this.doTick(),this.ticks>1&&setTimeout(this.tick,1),this.ticks=0)},e.prototype.doTick=function(){switch(this.state){case fe.ERROR:break;case fe.BUFFER_FLUSHING:this.fragLoadError=0;break;case fe.IDLE:this._doTickIdle();break;case fe.WAITING_LEVEL:var t=this.levels[this.level];t&&t.details&&(this.state=fe.IDLE);break;case fe.FRAG_LOADING_WAITING_RETRY:var e=performance.now(),i=this.retryDate;(!i||e>=i||this.media&&this.media.seeking)&&(It.b.log("mediaController: retryDate reached, switch back to IDLE state"),this.state=fe.IDLE);break;case fe.ERROR:case fe.STOPPED:case fe.FRAG_LOADING:case fe.PARSING:case fe.PARSED:case fe.ENDED:}this._checkBuffer(),this._checkFragmentChanged()},e.prototype._doTickIdle=function(){var t=this.hls,e=t.config,i=this.media;if(void 0!==this.levelLastLoaded&&(i||!this.startFragRequested&&e.startFragPrefetch)){var n=void 0;n=this.loadedmetadata?i.currentTime:this.nextLoadPosition;var r=t.nextLoadLevel,a=this.levels[r];if(a){var o=a.bitrate,s=void 0;s=o?Math.max(8*e.maxBufferSize/o,e.maxBufferLength):e.maxBufferLength,s=Math.min(s,e.maxMaxBufferLength);var l=ee.bufferInfo(this.mediaBuffer?this.mediaBuffer:i,n,e.maxBufferHole),u=l.len;if(!(u>=s)){It.b.trace("buffer length of "+u.toFixed(3)+" is below max of "+s.toFixed(3)+". checking for more payload ..."),this.level=t.nextLoadLevel=r;var d=a.details;if(void 0===d||d.live&&this.levelLastLoaded!==r)return void(this.state=fe.WAITING_LEVEL);var c=this.fragPrevious;if(!d.live&&c&&!c.backtracked&&c.sn===d.endSN&&!l.nextStart){if(Math.min(i.duration,c.start+c.duration)-Math.max(l.end,c.start)<=Math.max(.2,c.duration)){var h={};return this.altAudio&&(h.type="video"),this.hls.trigger(wt.a.BUFFER_EOS,h),void(this.state=fe.ENDED)}}this._fetchPayloadOrEos(n,l,d)}}}},e.prototype._fetchPayloadOrEos=function(t,e,i){var n=this.fragPrevious,r=this.level,a=i.fragments,o=a.length;if(0!==o){var s=a[0].start,l=a[o-1].start+a[o-1].duration,u=e.end,d=void 0;if(i.initSegment&&!i.initSegment.data)d=i.initSegment;else if(i.live){var c=this.config.initialLiveManifestSize;if(o<c)return void It.b.warn("Can not start playback of a level, reason: not enough fragments "+o+" < "+c);if(null===(d=this._ensureFragmentAtLivePoint(i,u,s,l,n,a,o)))return}else u<s&&(d=a[0]);d||(d=this._findFragment(s,n,o,a,u,l,i)),d&&this._loadFragmentOrKey(d,r,i,t,u)}},e.prototype._ensureFragmentAtLivePoint=function(t,e,i,n,r,a,o){var s=this.hls.config,l=this.media,u=void 0,d=void 0!==s.liveMaxLatencyDuration?s.liveMaxLatencyDuration:s.liveMaxLatencyDurationCount*t.targetduration;if(e<Math.max(i-s.maxFragLookUpTolerance,n-d)){var c=this.liveSyncPosition=this.computeLivePosition(i,t);It.b.log("buffer end: "+e.toFixed(3)+" is located too far from the end of live sliding playlist, reset currentTime to : "+c.toFixed(3)),e=c,l&&l.readyState&&l.duration>c&&(l.currentTime=c),this.nextLoadPosition=c}if(t.PTSKnown&&e>n&&l&&l.readyState)return null;if(this.startFragRequested&&!t.PTSKnown){if(r){var h=r.sn+1;if(h>=t.startSN&&h<=t.endSN){var f=a[h-t.startSN];r.cc===f.cc&&(u=f,It.b.log("live playlist, switching playlist, load frag with next SN: "+u.sn))}u||(u=Qt.search(a,function(t){return r.cc-t.cc}))&&It.b.log("live playlist, switching playlist, load frag with same CC: "+u.sn)}u||(u=a[Math.min(o-1,Math.round(o/2))],It.b.log("live playlist, switching playlist, unknown, load middle frag : "+u.sn))}return u},e.prototype._findFragment=function(t,e,i,n,r,a,o){var s=this.hls.config,l=void 0,u=void 0,d=s.maxFragLookUpTolerance,c=e?n[e.sn-n[0].sn+1]:void 0,h=function(t){var e=Math.min(d,t.duration+(t.deltaPTS?t.deltaPTS:0));return t.start+t.duration-e<=r?1:t.start-e>r&&t.start?-1:0};if(r<a?(r>a-d&&(d=0),u=c&&!h(c)?c:Qt.search(n,h)):u=n[i-1],u){l=u;var f=l.sn-o.startSN,p=e&&l.level===e.level,g=n[f-1],y=n[f+1];if(e&&l.sn===e.sn)if(p&&!l.backtracked)if(l.sn<o.endSN){var m=e.deltaPTS;m&&m>s.maxBufferHole&&e.dropped&&f?(l=g,It.b.warn("SN just loaded, with large PTS gap between audio and video, maybe frag is not starting with a keyframe ? load previous one to try to overcome this"),e.loadCounter--):(l=y,It.b.log("SN just loaded, load next one: "+l.sn))}else l=null;else l.backtracked&&(y&&y.backtracked?(It.b.warn("Already backtracked from fragment "+y.sn+", will not backtrack to fragment "+l.sn+". Loading fragment "+y.sn),l=y):(It.b.warn("Loaded fragment with dropped frames, backtracking 1 segment to find a keyframe"),l.dropped=0,g?(g.loadCounter&&g.loadCounter--,l=g,l.backtracked=!0):f&&(l=null)))}return l},e.prototype._loadFragmentOrKey=function(t,e,i,n,r){var a=this.hls,o=a.config;if(!t.decryptdata||null==t.decryptdata.uri||null!=t.decryptdata.key){if(It.b.log("Loading "+t.sn+" of ["+i.startSN+" ,"+i.endSN+"],level "+e+", currentTime:"+n.toFixed(3)+",bufferEnd:"+r.toFixed(3)),void 0!==this.fragLoadIdx?this.fragLoadIdx++:this.fragLoadIdx=0,t.loadCounter){t.loadCounter++;var s=o.fragLoadingLoopThreshold;if(t.loadCounter>s&&Math.abs(this.fragLoadIdx-t.loadIdx)<s)return void a.trigger(wt.a.ERROR,{type:Ct.b.MEDIA_ERROR,details:Ct.a.FRAG_LOOP_LOADING_ERROR,fatal:!1,frag:t})}else t.loadCounter=1;return t.loadIdx=this.fragLoadIdx,t.autoLevel=a.autoLevelEnabled,t.bitrateTest=this.bitrateTest,this.fragCurrent=t,this.startFragRequested=!0,isNaN(t.sn)||t.bitrateTest||(this.nextLoadPosition=t.start+t.duration),a.trigger(wt.a.FRAG_LOADING,{frag:t}),this.demuxer||(this.demuxer=new ue(a,"main")),void(this.state=fe.FRAG_LOADING)}It.b.log("Loading key for "+t.sn+" of ["+i.startSN+" ,"+i.endSN+"],level "+e),this.state=fe.KEY_LOADING,a.trigger(wt.a.KEY_LOADING,{frag:t})},e.prototype.getBufferedFrag=function(t){return Qt.search(this._bufferedFrags,function(e){return t<e.startPTS?-1:t>e.endPTS?1:0})},e.prototype.followingBufferedFrag=function(t){return t?this.getBufferedFrag(t.endPTS+.5):null},e.prototype._checkFragmentChanged=function(){var t,e,i=this.media;if(i&&i.readyState&&!1===i.seeking&&(e=i.currentTime,e>i.playbackRate*this.lastCurrentTime&&(this.lastCurrentTime=e),ee.isBuffered(i,e)?t=this.getBufferedFrag(e):ee.isBuffered(i,e+.1)&&(t=this.getBufferedFrag(e+.1)),t)){var n=t;if(n!==this.fragPlaying){this.hls.trigger(wt.a.FRAG_CHANGED,{frag:n});var r=n.level;this.fragPlaying&&this.fragPlaying.level===r||this.hls.trigger(wt.a.LEVEL_SWITCHED,{level:r}),this.fragPlaying=n}}},e.prototype.immediateLevelSwitch=function(){if(It.b.log("immediateLevelSwitch"),!this.immediateSwitch){this.immediateSwitch=!0;var t=this.media,e=void 0;t?(e=t.paused,t.pause()):e=!0,this.previouslyPaused=e}var i=this.fragCurrent;i&&i.loader&&i.loader.abort(),this.fragCurrent=null,void 0!==this.fragLoadIdx&&(this.fragLoadIdx+=2*this.config.fragLoadingLoopThreshold),this.flushMainBuffer(0,Number.POSITIVE_INFINITY)},e.prototype.immediateLevelSwitchEnd=function(){var t=this.media;t&&t.buffered.length&&(this.immediateSwitch=!1,ee.isBuffered(t,t.currentTime)&&(t.currentTime-=1e-4),this.previouslyPaused||t.play())},e.prototype.nextLevelSwitch=function(){var t=this.media;if(t&&t.readyState){var e=void 0,i=void 0,n=void 0;if(void 0!==this.fragLoadIdx&&(this.fragLoadIdx+=2*this.config.fragLoadingLoopThreshold),i=this.getBufferedFrag(t.currentTime),i&&i.startPTS>1&&this.flushMainBuffer(0,i.startPTS-1),t.paused)e=0;else{var r=this.hls.nextLoadLevel,a=this.levels[r],o=this.fragLastKbps;e=o&&this.fragCurrent?this.fragCurrent.duration*a.bitrate/(1e3*o)+1:0}if((n=this.getBufferedFrag(t.currentTime+e))&&(n=this.followingBufferedFrag(n))){var s=this.fragCurrent;s&&s.loader&&s.loader.abort(),this.fragCurrent=null,this.flushMainBuffer(n.maxStartPTS,Number.POSITIVE_INFINITY)}}},e.prototype.flushMainBuffer=function(t,e){this.state=fe.BUFFER_FLUSHING;var i={startOffset:t,endOffset:e};this.altAudio&&(i.type="video"),this.hls.trigger(wt.a.BUFFER_FLUSHING,i)},e.prototype.onMediaAttached=function(t){var e=this.media=this.mediaBuffer=t.media;this.onvseeking=this.onMediaSeeking.bind(this),this.onvseeked=this.onMediaSeeked.bind(this),this.onvended=this.onMediaEnded.bind(this),e.addEventListener("seeking",this.onvseeking),e.addEventListener("seeked",this.onvseeked),e.addEventListener("ended",this.onvended);var i=this.config;this.levels&&i.autoStartLoad&&this.hls.startLoad(i.startPosition)},e.prototype.onMediaDetaching=function(){var t=this.media;t&&t.ended&&(It.b.log("MSE detaching and video ended, reset startPosition"),this.startPosition=this.lastCurrentTime=0);var e=this.levels;e&&e.forEach(function(t){t.details&&t.details.fragments.forEach(function(t){t.loadCounter=void 0,t.backtracked=void 0})}),t&&(t.removeEventListener("seeking",this.onvseeking),t.removeEventListener("seeked",this.onvseeked),t.removeEventListener("ended",this.onvended),this.onvseeking=this.onvseeked=this.onvended=null),this.media=this.mediaBuffer=null,this.loadedmetadata=!1,this.stopLoad()},e.prototype.onMediaSeeking=function(){var t=this.media,e=t?t.currentTime:void 0,i=this.config;isNaN(e)||It.b.log("media seeking to "+e.toFixed(3));var n=this.mediaBuffer?this.mediaBuffer:t,r=ee.bufferInfo(n,e,this.config.maxBufferHole);if(this.state===fe.FRAG_LOADING){var a=this.fragCurrent;if(0===r.len&&a){var o=i.maxFragLookUpTolerance,s=a.start-o,l=a.start+a.duration+o;e<s||e>l?(a.loader&&(It.b.log("seeking outside of buffer while fragment load in progress, cancel fragment load"),a.loader.abort()),this.fragCurrent=null,this.fragPrevious=null,this.state=fe.IDLE):It.b.log("seeking outside of buffer but within currently loaded fragment range")}}else this.state===fe.ENDED&&(0===r.len&&(this.fragPrevious=0),this.state=fe.IDLE);t&&(this.lastCurrentTime=e),this.state!==fe.FRAG_LOADING&&void 0!==this.fragLoadIdx&&(this.fragLoadIdx+=2*i.fragLoadingLoopThreshold),this.loadedmetadata||(this.nextLoadPosition=this.startPosition=e),this.tick()},e.prototype.onMediaSeeked=function(){var t=this.media,e=t?t.currentTime:void 0;isNaN(e)||It.b.log("media seeked to "+e.toFixed(3)),this.tick()},e.prototype.onMediaEnded=function(){It.b.log("media ended"),this.startPosition=this.lastCurrentTime=0},e.prototype.onManifestLoading=function(){It.b.log("trigger BUFFER_RESET"),this.hls.trigger(wt.a.BUFFER_RESET),this._bufferedFrags=[],this.stalled=!1,this.startPosition=this.lastCurrentTime=0},e.prototype.onManifestParsed=function(t){var e,i=!1,n=!1;t.levels.forEach(function(t){(e=t.audioCodec)&&(-1!==e.indexOf("mp4a.40.2")&&(i=!0),-1!==e.indexOf("mp4a.40.5")&&(n=!0))}),this.audioCodecSwitch=i&&n,this.audioCodecSwitch&&It.b.log("both AAC/HE-AAC audio found in levels; declaring level codec as HE-AAC"),this.levels=t.levels,this.startFragRequested=!1;var r=this.config;(r.autoStartLoad||this.forceStartLoad)&&this.hls.startLoad(r.startPosition)},e.prototype.onLevelLoaded=function(t){var e=t.details,i=t.level,n=this.levels[this.levelLastLoaded],r=this.levels[i],a=e.totalduration,o=0;if(It.b.log("level "+i+" loaded ["+e.startSN+","+e.endSN+"],duration:"+a),e.live){var s=r.details;s&&e.fragments.length>0?(_(s,e),o=e.fragments[0].start,this.liveSyncPosition=this.computeLivePosition(o,s),e.PTSKnown&&!isNaN(o)?It.b.log("live playlist sliding:"+o.toFixed(3)):(It.b.log("live playlist - outdated PTS, unknown sliding"),R(this.fragPrevious,n,e))):(It.b.log("live playlist - first load, unknown sliding"),e.PTSKnown=!1,R(this.fragPrevious,n,e))}else e.PTSKnown=!1;if(r.details=e,this.levelLastLoaded=i,this.hls.trigger(wt.a.LEVEL_UPDATED,{details:e,level:i}),!1===this.startFragRequested){if(-1===this.startPosition||-1===this.lastCurrentTime){var l=e.startTimeOffset;isNaN(l)?e.live?(this.startPosition=this.computeLivePosition(o,e),It.b.log("configure startPosition to "+this.startPosition)):this.startPosition=0:(l<0&&(It.b.log("negative start time offset "+l+", count from end of last fragment"),l=o+a+l),It.b.log("start time offset found in playlist, adjust startPosition to "+l),this.startPosition=l),this.lastCurrentTime=this.startPosition}this.nextLoadPosition=this.startPosition}this.state===fe.WAITING_LEVEL&&(this.state=fe.IDLE),this.tick()},e.prototype.onKeyLoaded=function(){this.state===fe.KEY_LOADING&&(this.state=fe.IDLE,this.tick())},e.prototype.onFragLoaded=function(t){var e=this.fragCurrent,i=t.frag;if(this.state===fe.FRAG_LOADING&&e&&"main"===i.type&&i.level===e.level&&i.sn===e.sn){var n=t.stats,r=this.levels[e.level],a=r.details;if(It.b.log("Loaded "+e.sn+" of ["+a.startSN+" ,"+a.endSN+"],level "+e.level),this.bitrateTest=!1,this.stats=n,!0===i.bitrateTest&&this.hls.nextLoadLevel)this.state=fe.IDLE,this.startFragRequested=!1,n.tparsed=n.tbuffered=performance.now(),this.hls.trigger(wt.a.FRAG_BUFFERED,{stats:n,frag:e,id:"main"}),this.tick();else if("initSegment"===i.sn)this.state=fe.IDLE,n.tparsed=n.tbuffered=performance.now(),a.initSegment.data=t.payload,this.hls.trigger(wt.a.FRAG_BUFFERED,{stats:n,frag:e,id:"main"}),this.tick();else{this.state=fe.PARSING;var o=a.totalduration,s=e.level,l=e.sn,u=this.config.defaultAudioCodec||r.audioCodec;this.audioCodecSwap&&(It.b.log("swapping playlist audio codec"),void 0===u&&(u=this.lastAudioCodec),u&&(u=-1!==u.indexOf("mp4a.40.5")?"mp4a.40.2":"mp4a.40.5")),this.pendingBuffering=!0,this.appended=!1,It.b.log("Parsing "+l+" of ["+a.startSN+" ,"+a.endSN+"],level "+s+", cc "+e.cc);var d=this.demuxer;d||(d=this.demuxer=new ue(this.hls,"main"));var c=this.media,h=c&&c.seeking,f=!h&&(a.PTSKnown||!a.live),p=a.initSegment?a.initSegment.data:[];d.push(t.payload,p,u,r.videoCodec,e,o,f,void 0)}}this.fragLoadError=0},e.prototype.onFragParsingInitSegment=function(t){var e=this.fragCurrent,i=t.frag;if(e&&"main"===t.id&&i.sn===e.sn&&i.level===e.level&&this.state===fe.PARSING){var n,r,a=t.tracks;if(a.audio&&this.altAudio&&delete a.audio,r=a.audio){var o=this.levels[this.level].audioCodec,s=navigator.userAgent.toLowerCase();o&&this.audioCodecSwap&&(It.b.log("swapping playlist audio codec"),o=-1!==o.indexOf("mp4a.40.5")?"mp4a.40.2":"mp4a.40.5"),this.audioCodecSwitch&&1!==r.metadata.channelCount&&-1===s.indexOf("firefox")&&(o="mp4a.40.5"),-1!==s.indexOf("android")&&"audio/mpeg"!==r.container&&(o="mp4a.40.2",It.b.log("Android: force audio codec to "+o)),r.levelCodec=o,r.id=t.id}r=a.video,r&&(r.levelCodec=this.levels[this.level].videoCodec,r.id=t.id),this.hls.trigger(wt.a.BUFFER_CODECS,a);for(n in a){r=a[n],It.b.log("main track:"+n+",container:"+r.container+",codecs[level/parsed]=["+r.levelCodec+"/"+r.codec+"]");var l=r.initSegment;l&&(this.appended=!0,this.pendingBuffering=!0,this.hls.trigger(wt.a.BUFFER_APPENDING,{type:n,data:l,parent:"main",content:"initSegment"}))}this.tick()}},e.prototype.onFragParsingData=function(t){var e=this,i=this.fragCurrent,n=t.frag;if(i&&"main"===t.id&&n.sn===i.sn&&n.level===i.level&&("audio"!==t.type||!this.altAudio)&&this.state===fe.PARSING){var r=this.levels[this.level],a=i;if(isNaN(t.endPTS)&&(t.endPTS=t.startPTS+i.duration,t.endDTS=t.startDTS+i.duration),It.b.log("Parsed "+t.type+",PTS:["+t.startPTS.toFixed(3)+","+t.endPTS.toFixed(3)+"],DTS:["+t.startDTS.toFixed(3)+"/"+t.endDTS.toFixed(3)+"],nb:"+t.nb+",dropped:"+(t.dropped||0)),"video"===t.type)if(a.dropped=t.dropped,a.dropped)if(a.backtracked)It.b.warn("Already backtracked on this fragment, appending with the gap");else{var o=r.details;if(!o||a.sn!==o.startSN)return It.b.warn("missing video frame(s), backtracking fragment"),a.backtracked=!0,this.nextLoadPosition=t.startPTS,this.state=fe.IDLE,this.fragPrevious=a,void this.tick();It.b.warn("missing video frame(s) on first frag, appending with gap")}else a.backtracked=!1;var s=b(r.details,a,t.startPTS,t.endPTS,t.startDTS,t.endDTS),l=this.hls;l.trigger(wt.a.LEVEL_PTS_UPDATED,{details:r.details,level:this.level,drift:s,type:t.type,start:t.startPTS,end:t.endPTS}),[t.data1,t.data2].forEach(function(i){i&&i.length&&e.state===fe.PARSING&&(e.appended=!0,e.pendingBuffering=!0,l.trigger(wt.a.BUFFER_APPENDING,{type:t.type,data:i,parent:"main",content:"data"}))}),this.tick()}},e.prototype.onFragParsed=function(t){var e=this.fragCurrent,i=t.frag;e&&"main"===t.id&&i.sn===e.sn&&i.level===e.level&&this.state===fe.PARSING&&(this.stats.tparsed=performance.now(),this.state=fe.PARSED,this._checkAppendedParsed())},e.prototype.onAudioTrackSwitching=function(t){var e=!!t.url,i=t.id;if(!e){if(this.mediaBuffer!==this.media){It.b.log("switching on main audio, use media.buffered to schedule main fragment loading"),this.mediaBuffer=this.media;var n=this.fragCurrent;n.loader&&(It.b.log("switching to main audio track, cancel main fragment load"),n.loader.abort()),this.fragCurrent=null,this.fragPrevious=null,this.demuxer&&(this.demuxer.destroy(),this.demuxer=null),this.state=fe.IDLE}var r=this.hls;r.trigger(wt.a.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY,type:"audio"}),r.trigger(wt.a.AUDIO_TRACK_SWITCHED,{id:i}),this.altAudio=!1}},e.prototype.onAudioTrackSwitched=function(t){var e=t.id,i=!!this.hls.audioTracks[e].url;if(i){var n=this.videoBuffer;n&&this.mediaBuffer!==n&&(It.b.log("switching on alternate audio, use video.buffered to schedule main fragment loading"),this.mediaBuffer=n)}this.altAudio=i,this.tick()},e.prototype.onBufferCreated=function(t){var e=t.tracks,i=void 0,n=void 0,r=!1;for(var a in e){var o=e[a];"main"===o.id?(n=a,i=o,"video"===a&&(this.videoBuffer=e[a].buffer)):r=!0}r&&i?(It.b.log("alternate track found, use "+n+".buffered to schedule main fragment loading"),this.mediaBuffer=i.buffer):this.mediaBuffer=this.media},e.prototype.onBufferAppended=function(t){if("main"===t.parent){var e=this.state;e!==fe.PARSING&&e!==fe.PARSED||(this.pendingBuffering=t.pending>0,this._checkAppendedParsed())}},e.prototype._checkAppendedParsed=function(){if(!(this.state!==fe.PARSED||this.appended&&this.pendingBuffering)){var t=this.fragCurrent;if(t){var e=this.mediaBuffer?this.mediaBuffer:this.media;It.b.log("main buffered : "+ce.toString(e.buffered));var i=this._bufferedFrags.filter(function(t){return ee.isBuffered(e,(t.startPTS+t.endPTS)/2)});i.push(t),this._bufferedFrags=i.sort(function(t,e){return t.startPTS-e.startPTS}),this.fragPrevious=t;var n=this.stats;n.tbuffered=performance.now(),this.fragLastKbps=Math.round(8*n.total/(n.tbuffered-n.tfirst)),this.hls.trigger(wt.a.FRAG_BUFFERED,{stats:n,frag:t,id:"main"}),this.state=fe.IDLE}this.tick()}},e.prototype.onError=function(t){var e=t.frag||this.fragCurrent;if(!e||"main"===e.type){var i=!!this.media&&ee.isBuffered(this.media,this.media.currentTime)&&ee.isBuffered(this.media,this.media.currentTime+.5);switch(t.details){case Ct.a.FRAG_LOAD_ERROR:case Ct.a.FRAG_LOAD_TIMEOUT:case Ct.a.KEY_LOAD_ERROR:case Ct.a.KEY_LOAD_TIMEOUT:if(!t.fatal)if(this.fragLoadError+1<=this.config.fragLoadingMaxRetry){var n=Math.min(Math.pow(2,this.fragLoadError)*this.config.fragLoadingRetryDelay,this.config.fragLoadingMaxRetryTimeout);e.loadCounter=0,It.b.warn("mediaController: frag loading failed, retry in "+n+" ms"),this.retryDate=performance.now()+n,this.loadedmetadata||(this.startFragRequested=!1,this.nextLoadPosition=this.startPosition),this.fragLoadError++,this.state=fe.FRAG_LOADING_WAITING_RETRY}else It.b.error("mediaController: "+t.details+" reaches max retry, redispatch as fatal ..."),t.fatal=!0,this.state=fe.ERROR;break;case Ct.a.FRAG_LOOP_LOADING_ERROR:t.fatal||(i?(this._reduceMaxBufferLength(e.duration),this.state=fe.IDLE):e.autoLevel&&0!==e.level||(t.fatal=!0,this.state=fe.ERROR));break;case Ct.a.LEVEL_LOAD_ERROR:case Ct.a.LEVEL_LOAD_TIMEOUT:this.state!==fe.ERROR&&(t.fatal?(this.state=fe.ERROR,It.b.warn("streamController: "+t.details+",switch to "+this.state+" state ...")):t.levelRetry||this.state!==fe.WAITING_LEVEL||(this.state=fe.IDLE));break;case Ct.a.BUFFER_FULL_ERROR:"main"!==t.parent||this.state!==fe.PARSING&&this.state!==fe.PARSED||(i?(this._reduceMaxBufferLength(this.config.maxBufferLength),this.state=fe.IDLE):(It.b.warn("buffer full error also media.currentTime is not buffered, flush everything"),this.fragCurrent=null,this.flushMainBuffer(0,Number.POSITIVE_INFINITY)))}}},e.prototype._reduceMaxBufferLength=function(t){var e=this.config;e.maxMaxBufferLength>=t&&(e.maxMaxBufferLength/=2,It.b.warn("main:reduce max buffer length to "+e.maxMaxBufferLength+"s"),void 0!==this.fragLoadIdx&&(this.fragLoadIdx+=2*e.fragLoadingLoopThreshold))},e.prototype._checkBuffer=function(){var t=this.media,e=this.config;if(t&&t.readyState){var i=t.currentTime,n=this.mediaBuffer?this.mediaBuffer:t,r=n.buffered;if(!this.loadedmetadata&&r.length){this.loadedmetadata=!0;var a=t.seeking?i:this.startPosition,o=ee.isBuffered(n,a),s=r.start(0),l=!o&&Math.abs(a-s)<e.maxSeekHole;(i!==a||l)&&(It.b.log("target start position:"+a),l&&(a=s,It.b.log("target start position not buffered, seek to buffered.start(0) "+a)),It.b.log("adjust currentTime from "+i+" to "+a),t.currentTime=a)}else if(this.immediateSwitch)this.immediateLevelSwitchEnd();else{var u=ee.bufferInfo(t,i,0),d=!(t.paused||t.ended||0===t.buffered.length),c=i!==this.lastCurrentTime;if(c)this.stallReported&&(It.b.warn("playback not stuck anymore @"+i+", after "+Math.round(performance.now()-this.stalled)+"ms"),this.stallReported=!1),this.stalled=void 0,this.nudgeRetry=0;else if(d){var h=performance.now(),f=this.hls;if(this.stalled){var p=h-this.stalled,g=u.len,y=this.nudgeRetry||0;if(g<=.5&&p>1e3*e.lowBufferWatchdogPeriod){this.stallReported||(this.stallReported=!0,It.b.warn("playback stalling in low buffer @"+i),f.trigger(wt.a.ERROR,{type:Ct.b.MEDIA_ERROR,details:Ct.a.BUFFER_STALLED_ERROR,fatal:!1,buffer:g}));var m=u.nextStart,v=m-i;if(m&&v<e.maxSeekHole&&v>0){this.nudgeRetry=++y;var b=y*e.nudgeOffset;It.b.log("adjust currentTime from "+t.currentTime+" to next buffered @ "+m+" + nudge "+b),t.currentTime=m+b,this.stalled=void 0,f.trigger(wt.a.ERROR,{type:Ct.b.MEDIA_ERROR,details:Ct.a.BUFFER_SEEK_OVER_HOLE,fatal:!1,hole:m+b-i})}}else if(g>.5&&p>1e3*e.highBufferWatchdogPeriod)if(this.stallReported||(this.stallReported=!0,It.b.warn("playback stalling in high buffer @"+i),f.trigger(wt.a.ERROR,{type:Ct.b.MEDIA_ERROR,details:Ct.a.BUFFER_STALLED_ERROR,fatal:!1,buffer:g})),this.stalled=void 0,this.nudgeRetry=++y,y<e.nudgeMaxRetry){var _=t.currentTime,E=_+y*e.nudgeOffset;It.b.log("adjust currentTime from "+_+" to "+E),t.currentTime=E,f.trigger(wt.a.ERROR,{type:Ct.b.MEDIA_ERROR,details:Ct.a.BUFFER_NUDGE_ON_STALL,fatal:!1})}else It.b.error("still stuck in high buffer @"+i+" after "+e.nudgeMaxRetry+", raise fatal error"),f.trigger(wt.a.ERROR,{type:Ct.b.MEDIA_ERROR,details:Ct.a.BUFFER_STALLED_ERROR,fatal:!0})}else this.stalled=h,this.stallReported=!1}}}},e.prototype.onFragLoadEmergencyAborted=function(){this.state=fe.IDLE,this.loadedmetadata||(this.startFragRequested=!1,this.nextLoadPosition=this.startPosition),this.tick()},e.prototype.onBufferFlushed=function(){var t=this.mediaBuffer?this.mediaBuffer:this.media;this._bufferedFrags=this._bufferedFrags.filter(function(e){return ee.isBuffered(t,(e.startPTS+e.endPTS)/2)}),void 0!==this.fragLoadIdx&&(this.fragLoadIdx+=2*this.config.fragLoadingLoopThreshold),this.state=fe.IDLE,this.fragPrevious=null},e.prototype.swapAudioCodec=function(){this.audioCodecSwap=!this.audioCodecSwap},e.prototype.computeLivePosition=function(t,e){var i=void 0!==this.config.liveSyncDuration?this.config.liveSyncDuration:this.config.liveSyncDurationCount*e.targetduration;return t+Math.max(0,e.totalduration-i)},he(e,[{key:"state",set:function(t){if(this.state!==t){var e=this.state;this._state=t,It.b.log("main stream:"+e+"->"+t),this.hls.trigger(wt.a.STREAM_STATE_TRANSITION,{previousState:e,nextState:t})}},get:function(){return this._state}},{key:"currentLevel",get:function(){var t=this.media;if(t){var e=this.getBufferedFrag(t.currentTime);if(e)return e.level}return-1}},{key:"nextBufferedFrag",get:function(){var t=this.media;return t?this.followingBufferedFrag(this.getBufferedFrag(t.currentTime)):null}},{key:"nextLevel",get:function(){var t=this.nextBufferedFrag;return t?t.level:-1}},{key:"liveSyncPosition",get:function(){return this._liveSyncPosition},set:function(t){this._liveSyncPosition=t}}]),e}(Pt),ge=pe,ye=function(){function t(t,e){for(var i=0;i<e.length;i++){var n=e[i];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(t,n.key,n)}}return function(e,i,n){return i&&t(e.prototype,i),n&&t(e,n),e}}(),me=function(t){function e(i){I(this,e);var n=D(this,t.call(this,i,wt.a.MANIFEST_LOADED,wt.a.LEVEL_LOADED,wt.a.FRAG_LOADED,wt.a.ERROR));return n._manualLevel=-1,n.timer=null,n}return O(e,t),e.prototype.destroy=function(){this.cleanTimer(),this._manualLevel=-1},e.prototype.cleanTimer=function(){null!==this.timer&&(clearTimeout(this.timer),this.timer=null)},e.prototype.startLoad=function(){var t=this._levels;this.canload=!0,this.levelRetryCount=0,t&&t.forEach(function(t){t.loadError=0;var e=t.details;e&&e.live&&(t.details=void 0)}),this.timer&&this.tick()},e.prototype.stopLoad=function(){this.canload=!1},e.prototype.onManifestLoaded=function(t){var e=[],i=void 0,n={},r=null,a=!1,s=!1,l=/chrome|firefox/.test(navigator.userAgent.toLowerCase());if(t.levels.forEach(function(t){t.loadError=0,t.fragmentError=!1,a=a||!!t.videoCodec,s=s||!!t.audioCodec||!(!t.attrs||!t.attrs.AUDIO),!0===l&&t.audioCodec&&-1!==t.audioCodec.indexOf("mp4a.40.34")&&(t.audioCodec=void 0),r=n[t.bitrate],void 0===r?(t.url=[t.url],t.urlId=0,n[t.bitrate]=t,e.push(t)):r.url.push(t.url)}),!0===a&&!0===s&&(e=e.filter(function(t){return!!t.videoCodec})),e=e.filter(function(t){var e=t.audioCodec,i=t.videoCodec;return(!e||o(e))&&(!i||o(i))}),e.length>0){i=e[0].bitrate,e.sort(function(t,e){return t.bitrate-e.bitrate}),this._levels=e;for(var u=0;u<e.length;u++)if(e[u].bitrate===i){this._firstLevel=u,It.b.log("manifest loaded,"+e.length+" level(s) found, first bitrate:"+i);break}this.hls.trigger(wt.a.MANIFEST_PARSED,{levels:e,firstLevel:this._firstLevel,stats:t.stats,audio:s,video:a,altAudio:t.audioTracks.length>0})}else this.hls.trigger(wt.a.ERROR,{type:Ct.b.MEDIA_ERROR,details:Ct.a.MANIFEST_INCOMPATIBLE_CODECS_ERROR,fatal:!0,url:this.hls.url,reason:"no level with compatible codecs found in manifest"})},e.prototype.setLevelInternal=function(t){var e=this._levels,i=this.hls;if(t>=0&&t<e.length){if(this.cleanTimer(),this._level!==t){It.b.log("switching to level "+t),this._level=t;var n=e[t];n.level=t,i.trigger(wt.a.LEVEL_SWITCH,n),i.trigger(wt.a.LEVEL_SWITCHING,n)}var r=e[t],a=r.details;if(!a||!0===a.live){var o=r.urlId;i.trigger(wt.a.LEVEL_LOADING,{url:r.url[o],level:t,id:o})}}else i.trigger(wt.a.ERROR,{type:Ct.b.OTHER_ERROR,details:Ct.a.LEVEL_SWITCH_ERROR,level:t,fatal:!1,reason:"invalid level idx"})},e.prototype.onError=function(t){var e=this;if(!0===t.fatal)return void(t.type===Ct.b.NETWORK_ERROR&&this.cleanTimer());var i=t.details,n=!1,r=!1,a=void 0,o=void 0,s=this.hls.config;switch(i){case Ct.a.FRAG_LOAD_ERROR:case Ct.a.FRAG_LOAD_TIMEOUT:case Ct.a.FRAG_LOOP_LOADING_ERROR:case Ct.a.KEY_LOAD_ERROR:case Ct.a.KEY_LOAD_TIMEOUT:a=t.frag.level,r=!0;break;case Ct.a.LEVEL_LOAD_ERROR:case Ct.a.LEVEL_LOAD_TIMEOUT:a=t.context.level,n=!0;break;case Ct.a.REMUX_ALLOC_ERROR:a=t.level}if(void 0!==a)if(o=this._levels[a],o.loadError++,o.fragmentError=r,!0===r){var l=o.url.length;l>1&&o.loadError<l?(o.urlId=(o.urlId+1)%l,o.details=void 0,It.b.warn("level controller,"+i+" for level "+a+": switching to redundant stream id "+o.urlId)):-1===this._manualLevel&&0!==a?(It.b.warn("level controller,"+i+": switch-down for next fragment"),this.hls.nextAutoLevel=a-1):(It.b.warn("level controller, "+i+": reload a fragment"),this._level=void 0)}else if(!0===n)if(this.levelRetryCount+1<=s.levelLoadingMaxRetry){var u=Math.min(Math.pow(2,this.levelRetryCount)*s.levelLoadingRetryDelay,s.levelLoadingMaxRetryTimeout);this.timer=setTimeout(function(){return e.tick()},u),t.levelRetry=!0,this.levelRetryCount++,It.b.warn("level controller,"+i+", retry in "+u+" ms, current retry count is "+this.levelRetryCount)}else It.b.error("cannot recover "+i+" error"),this._level=void 0,this.cleanTimer(),t.fatal=!0},e.prototype.onFragLoaded=function(t){var e=t.frag;if(void 0!==e&&"main"===e.type){var i=this._levels[e.level];void 0!==i&&(i.fragmentError=!1,i.loadError=0,this.levelRetryCount=0)}},e.prototype.onLevelLoaded=function(t){var e=this,i=t.level;if(i===this._level){var n=this._levels[i];!1===n.fragmentError&&(n.loadError=0,this.levelRetryCount=0);var r=t.details;if(r.live){var a=1e3*(r.averagetargetduration?r.averagetargetduration:r.targetduration),o=n.details;o&&r.endSN===o.endSN&&(a/=2,It.b.log("same live playlist, reload twice faster")),a-=performance.now()-t.stats.trequest,a=Math.max(1e3,Math.round(a)),It.b.log("live playlist, reload in "+a+" ms"),this.timer=setTimeout(function(){return e.tick()},a)}else this.cleanTimer()}},e.prototype.tick=function(){var t=this._level;if(void 0!==t&&this.canload){var e=this._levels[t];if(e&&e.url){var i=e.urlId;this.hls.trigger(wt.a.LEVEL_LOADING,{url:e.url[i],level:t,id:i})}}},ye(e,[{key:"levels",get:function(){return this._levels}},{key:"level",get:function(){return this._level},set:function(t){var e=this._levels;e&&(t=Math.min(t,e.length-1),this._level===t&&void 0!==e[t].details||this.setLevelInternal(t))}},{key:"manualLevel",get:function(){return this._manualLevel},set:function(t){this._manualLevel=t,void 0===this._startLevel&&(this._startLevel=t),-1!==t&&(this.level=t)}},{key:"firstLevel",get:function(){return this._firstLevel},set:function(t){this._firstLevel=t}},{key:"startLevel",get:function(){if(void 0===this._startLevel){var t=this.hls.config.startLevel;return void 0!==t?t:this._firstLevel}return this._startLevel},set:function(t){this._startLevel=t}},{key:"nextLoadLevel",get:function(){return-1!==this._manualLevel?this._manualLevel:this.hls.nextAutoLevel},set:function(t){this.level=t,-1===this._manualLevel&&(this.hls.nextAutoLevel=t)}}]),e}(Pt),ve=me,be=i(4),_e=function(t){function e(i){P(this,e);var n=x(this,t.call(this,i,wt.a.MEDIA_ATTACHED,wt.a.MEDIA_DETACHING,wt.a.FRAG_PARSING_METADATA));return n.id3Track=void 0,n.media=void 0,n}return N(e,t),e.prototype.destroy=function(){Pt.prototype.destroy.call(this)},e.prototype.onMediaAttached=function(t){this.media=t.media,this.media},e.prototype.onMediaDetaching=function(){this.media=void 0},e.prototype.onFragParsingMetadata=function(t){var e=t.frag,i=t.samples;this.id3Track||(this.id3Track=this.media.addTextTrack("metadata","id3"),this.id3Track.mode="hidden");for(var n=window.WebKitDataCue||window.VTTCue||window.TextTrackCue,r=0;r<i.length;r++){var a=be.a.getID3Frames(i[r].data);if(a){var o=i[r].pts,s=r<i.length-1?i[r+1].pts:e.endPTS;o===s&&(s+=1e-4);for(var l=0;l<a.length;l++){var u=a[l];if(!be.a.isTimeStampFrame(u)){var d=new n(o,s,"");d.value=u,this.id3Track.addCue(d)}}}}},e}(Pt),Ee=_e,Te=function(){function t(e){M(this,t),this.alpha_=e?Math.exp(Math.log(.5)/e):0,this.estimate_=0,this.totalWeight_=0}return t.prototype.sample=function(t,e){var i=Math.pow(this.alpha_,t);this.estimate_=e*(1-i)+i*this.estimate_,this.totalWeight_+=t},t.prototype.getTotalWeight=function(){return this.totalWeight_},t.prototype.getEstimate=function(){if(this.alpha_){var t=1-Math.pow(this.alpha_,this.totalWeight_);return this.estimate_/t}return this.estimate_},t}(),Ae=Te,Se=function(){function t(e,i,n,r){F(this,t),this.hls=e,this.defaultEstimate_=r,this.minWeight_=.001,this.minDelayMs_=50,this.slow_=new Ae(i),this.fast_=new Ae(n)}return t.prototype.sample=function(t,e){t=Math.max(t,this.minDelayMs_);var i=8e3*e/t,n=t/1e3;this.fast_.sample(n,i),this.slow_.sample(n,i)},t.prototype.canEstimate=function(){var t=this.fast_;return t&&t.getTotalWeight()>=this.minWeight_},t.prototype.getEstimate=function(){return this.canEstimate()?Math.min(this.fast_.getEstimate(),this.slow_.getEstimate()):this.defaultEstimate_},t.prototype.destroy=function(){},t}(),Le=Se,Re=function(){function t(t,e){for(var i=0;i<e.length;i++){var n=e[i];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(t,n.key,n)}}return function(e,i,n){return i&&t(e.prototype,i),n&&t(e,n),e}}(),ke=function(t){function e(i){B(this,e);var n=U(this,t.call(this,i,wt.a.FRAG_LOADING,wt.a.FRAG_LOADED,wt.a.FRAG_BUFFERED,wt.a.ERROR));return n.lastLoadedFragLevel=0,n._nextAutoLevel=-1,n.hls=i,n.timer=null,n._bwEstimator=null,n.onCheck=n._abandonRulesCheck.bind(n),n}return G(e,t),e.prototype.destroy=function(){this.clearTimer(),Pt.prototype.destroy.call(this)},e.prototype.onFragLoading=function(t){var e=t.frag;if("main"===e.type){if(this.timer||(this.timer=setInterval(this.onCheck,100)),!this._bwEstimator){var i=this.hls,n=t.frag.level,r=i.levels[n].details.live,a=i.config,o=void 0,s=void 0;r?(o=a.abrEwmaFastLive,s=a.abrEwmaSlowLive):(o=a.abrEwmaFastVoD,s=a.abrEwmaSlowVoD),this._bwEstimator=new Le(i,s,o,a.abrEwmaDefaultEstimate)}this.fragCurrent=e}},e.prototype._abandonRulesCheck=function(){var t=this.hls,e=t.media,i=this.fragCurrent,n=i.loader,r=t.minAutoLevel;if(!n||n.stats&&n.stats.aborted)return It.b.warn("frag loader destroy or aborted, disarm abandonRules"),void this.clearTimer();var a=n.stats;if(e&&a&&(!e.paused&&0!==e.playbackRate||!e.readyState)&&i.autoLevel&&i.level){var o=performance.now()-a.trequest,s=Math.abs(e.playbackRate);if(o>500*i.duration/s){var l=t.levels,u=Math.max(1,a.bw?a.bw/8:1e3*a.loaded/o),d=l[i.level],c=d.realBitrate?Math.max(d.realBitrate,d.bitrate):d.bitrate,h=a.total?a.total:Math.max(a.loaded,Math.round(i.duration*c/8)),f=e.currentTime,p=(h-a.loaded)/u,g=(ee.bufferInfo(e,f,t.config.maxBufferHole).end-f)/s;if(g<2*i.duration/s&&p>g){var y=void 0,m=void 0;for(m=i.level-1;m>r;m--){var v=l[m].realBitrate?Math.max(l[m].realBitrate,l[m].bitrate):l[m].bitrate;if((y=i.duration*v/(6.4*u))<g)break}y<p&&(It.b.warn("loading too slow, abort fragment loading and switch to level "+m+":fragLoadedDelay["+m+"]<fragLoadedDelay["+(i.level-1)+"];bufferStarvationDelay:"+y.toFixed(1)+"<"+p.toFixed(1)+":"+g.toFixed(1)),t.nextLoadLevel=m,this._bwEstimator.sample(o,a.loaded),n.abort(),this.clearTimer(),t.trigger(wt.a.FRAG_LOAD_EMERGENCY_ABORTED,{frag:i,stats:a}))}}}},e.prototype.onFragLoaded=function(t){var e=t.frag;if("main"===e.type&&!isNaN(e.sn)){if(this.clearTimer(),this.lastLoadedFragLevel=e.level,this._nextAutoLevel=-1,this.hls.config.abrMaxWithRealBitrate){var i=this.hls.levels[e.level],n=(i.loaded?i.loaded.bytes:0)+t.stats.loaded,r=(i.loaded?i.loaded.duration:0)+t.frag.duration;i.loaded={bytes:n,duration:r},i.realBitrate=Math.round(8*n/r)}if(t.frag.bitrateTest){var a=t.stats;a.tparsed=a.tbuffered=a.tload,this.onFragBuffered(t)}}},e.prototype.onFragBuffered=function(t){var e=t.stats,i=t.frag;if(!(!0===e.aborted||1!==i.loadCounter||"main"!==i.type||isNaN(i.sn)||i.bitrateTest&&e.tload!==e.tbuffered)){var n=e.tparsed-e.trequest;It.b.log("latency/loading/parsing/append/kbps:"+Math.round(e.tfirst-e.trequest)+"/"+Math.round(e.tload-e.tfirst)+"/"+Math.round(e.tparsed-e.tload)+"/"+Math.round(e.tbuffered-e.tparsed)+"/"+Math.round(8*e.loaded/(e.tbuffered-e.trequest))),this._bwEstimator.sample(n,e.loaded),e.bwEstimate=this._bwEstimator.getEstimate(),i.bitrateTest?this.bitrateTestDelay=n/1e3:this.bitrateTestDelay=0}},e.prototype.onError=function(t){switch(t.details){case Ct.a.FRAG_LOAD_ERROR:case Ct.a.FRAG_LOAD_TIMEOUT:this.clearTimer()}},e.prototype.clearTimer=function(){clearInterval(this.timer),this.timer=null},e.prototype._findBestLevel=function(t,e,i,n,r,a,o,s,l){for(var u=r;u>=n;u--){var d=l[u],c=d.details,h=c?c.totalduration/c.fragments.length:e,f=!!c&&c.live,p=void 0;p=u<=t?o*i:s*i;var g=l[u].realBitrate?Math.max(l[u].realBitrate,l[u].bitrate):l[u].bitrate,y=g*h/p;if(It.b.trace("level/adjustedbw/bitrate/avgDuration/maxFetchDuration/fetchDuration: "+u+"/"+Math.round(p)+"/"+g+"/"+h+"/"+a+"/"+y),p>g&&(!y||f&&!this.bitrateTestDelay||y<a))return u}return-1},Re(e,[{key:"nextAutoLevel",get:function(){var t=this._nextAutoLevel,e=this._bwEstimator;if(!(-1===t||e&&e.canEstimate()))return t;var i=this._nextABRAutoLevel;return-1!==t&&(i=Math.min(t,i)),i},set:function(t){this._nextAutoLevel=t}},{key:"_nextABRAutoLevel",get:function(){var t=this.hls,e=t.maxAutoLevel,i=t.levels,n=t.config,r=t.minAutoLevel,a=t.media,o=this.lastLoadedFragLevel,s=this.fragCurrent?this.fragCurrent.duration:0,l=a?a.currentTime:0,u=a&&0!==a.playbackRate?Math.abs(a.playbackRate):1,d=this._bwEstimator?this._bwEstimator.getEstimate():n.abrEwmaDefaultEstimate,c=(ee.bufferInfo(a,l,n.maxBufferHole).end-l)/u,h=this._findBestLevel(o,s,d,r,e,c,n.abrBandWidthFactor,n.abrBandWidthUpFactor,i);if(h>=0)return h;It.b.trace("rebuffering expected to happen, lets try to find a quality level minimizing the rebuffering");var f=s?Math.min(s,n.maxStarvationDelay):n.maxStarvationDelay,p=n.abrBandWidthFactor,g=n.abrBandWidthUpFactor;if(0===c){var y=this.bitrateTestDelay;if(y){f=(s?Math.min(s,n.maxLoadingDelay):n.maxLoadingDelay)-y,It.b.trace("bitrate test took "+Math.round(1e3*y)+"ms, set first fragment max fetchDuration to "+Math.round(1e3*f)+" ms"),p=g=1}}return h=this._findBestLevel(o,s,d,r,e,c+f,p,g,i),Math.max(h,0)}}]),e}(Pt),we=ke,Ce=y(),Ie=function(t){function e(i){K(this,e);var n=V(this,t.call(this,i,wt.a.MEDIA_ATTACHING,wt.a.MEDIA_DETACHING,wt.a.MANIFEST_PARSED,wt.a.BUFFER_RESET,wt.a.BUFFER_APPENDING,wt.a.BUFFER_CODECS,wt.a.BUFFER_EOS,wt.a.BUFFER_FLUSHING,wt.a.LEVEL_PTS_UPDATED,wt.a.LEVEL_UPDATED));return n._msDuration=null,n._levelDuration=null,n.onsbue=n.onSBUpdateEnd.bind(n),n.onsbe=n.onSBUpdateError.bind(n),n.pendingTracks={},n.tracks={},n}return Y(e,t),e.prototype.destroy=function(){Pt.prototype.destroy.call(this)},e.prototype.onLevelPtsUpdated=function(t){var e=t.type,i=this.tracks.audio;if("audio"===e&&i&&"audio/mpeg"===i.container){var n=this.sourceBuffer.audio;if(Math.abs(n.timestampOffset-t.start)>.1){var r=n.updating;try{n.abort()}catch(t){r=!0,It.b.warn("can not abort audio buffer: "+t)}r?this.audioTimestampOffset=t.start:(It.b.warn("change mpeg audio timestamp offset from "+n.timestampOffset+" to "+t.start),n.timestampOffset=t.start)}}},e.prototype.onManifestParsed=function(t){var e=t.audio,i=t.video||t.levels.length&&t.audio,n=0;t.altAudio&&(e||i)&&(n=(e?1:0)+(i?1:0),It.b.log(n+" sourceBuffer(s) expected")),this.sourceBufferNb=n},e.prototype.onMediaAttaching=function(t){var e=this.media=t.media;if(e){var i=this.mediaSource=new Ce;this.onmso=this.onMediaSourceOpen.bind(this),this.onmse=this.onMediaSourceEnded.bind(this),this.onmsc=this.onMediaSourceClose.bind(this),i.addEventListener("sourceopen",this.onmso),i.addEventListener("sourceended",this.onmse),i.addEventListener("sourceclose",this.onmsc),e.src=URL.createObjectURL(i)}},e.prototype.onMediaDetaching=function(){It.b.log("media source detaching");var t=this.mediaSource;if(t){if("open"===t.readyState)try{t.endOfStream()}catch(t){It.b.warn("onMediaDetaching:"+t.message+" while calling endOfStream")}t.removeEventListener("sourceopen",this.onmso),t.removeEventListener("sourceended",this.onmse),t.removeEventListener("sourceclose",this.onmsc),this.media&&(URL.revokeObjectURL(this.media.src),this.media.removeAttribute("src"),this.media.load()),this.mediaSource=null,this.media=null,this.pendingTracks={},this.tracks={},this.sourceBuffer={},this.flushRange=[],this.segments=[],this.appended=0}this.onmso=this.onmse=this.onmsc=null,this.hls.trigger(wt.a.MEDIA_DETACHED)},e.prototype.onMediaSourceOpen=function(){It.b.log("media source opened"),this.hls.trigger(wt.a.MEDIA_ATTACHED,{media:this.media});var t=this.mediaSource;t&&t.removeEventListener("sourceopen",this.onmso),this.checkPendingTracks()},e.prototype.checkPendingTracks=function(){var t=this.pendingTracks,e=Object.keys(t).length;e&&(this.sourceBufferNb<=e||0===this.sourceBufferNb)&&(this.createSourceBuffers(t),this.pendingTracks={},this.doAppending())},e.prototype.onMediaSourceClose=function(){It.b.log("media source closed")},e.prototype.onMediaSourceEnded=function(){It.b.log("media source ended")},e.prototype.onSBUpdateEnd=function(){if(this.audioTimestampOffset){var t=this.sourceBuffer.audio;It.b.warn("change mpeg audio timestamp offset from "+t.timestampOffset+" to "+this.audioTimestampOffset),t.timestampOffset=this.audioTimestampOffset,delete this.audioTimestampOffset}this._needsFlush&&this.doFlush(),this._needsEos&&this.checkEos(),this.appending=!1;var e=this.parent,i=this.segments.reduce(function(t,i){return i.parent===e?t+1:t},0);this.hls.trigger(wt.a.BUFFER_APPENDED,{parent:e,pending:i}),this._needsFlush||this.doAppending(),this.updateMediaElementDuration()},e.prototype.onSBUpdateError=function(t){It.b.error("sourceBuffer error:",t),this.hls.trigger(wt.a.ERROR,{type:Ct.b.MEDIA_ERROR,details:Ct.a.BUFFER_APPENDING_ERROR,fatal:!1})},e.prototype.onBufferReset=function(){var t=this.sourceBuffer;for(var e in t){var i=t[e];try{this.mediaSource.removeSourceBuffer(i),i.removeEventListener("updateend",this.onsbue),i.removeEventListener("error",this.onsbe)}catch(t){}}this.sourceBuffer={},this.flushRange=[],this.segments=[],this.appended=0},e.prototype.onBufferCodecs=function(t){if(0===Object.keys(this.sourceBuffer).length){for(var e in t)this.pendingTracks[e]=t[e];var i=this.mediaSource;i&&"open"===i.readyState&&this.checkPendingTracks()}},e.prototype.createSourceBuffers=function(t){var e=this.sourceBuffer,i=this.mediaSource;for(var n in t)if(!e[n]){var r=t[n],a=r.levelCodec||r.codec,o=r.container+";codecs="+a;It.b.log("creating sourceBuffer("+o+")");try{var s=e[n]=i.addSourceBuffer(o);s.addEventListener("updateend",this.onsbue),s.addEventListener("error",this.onsbe),this.tracks[n]={codec:a,container:r.container},r.buffer=s}catch(t){It.b.error("error while trying to add sourceBuffer:"+t.message),this.hls.trigger(wt.a.ERROR,{type:Ct.b.MEDIA_ERROR,details:Ct.a.BUFFER_ADD_CODEC_ERROR,fatal:!1,err:t,mimeType:o})}}this.hls.trigger(wt.a.BUFFER_CREATED,{tracks:t})},e.prototype.onBufferAppending=function(t){this._needsFlush||(this.segments?this.segments.push(t):this.segments=[t],this.doAppending())},e.prototype.onBufferAppendFail=function(t){It.b.error("sourceBuffer error:",t.event),this.hls.trigger(wt.a.ERROR,{type:Ct.b.MEDIA_ERROR,details:Ct.a.BUFFER_APPENDING_ERROR,fatal:!1})},e.prototype.onBufferEos=function(t){var e=this.sourceBuffer,i=t.type;for(var n in e)i&&n!==i||e[n].ended||(e[n].ended=!0,It.b.log(n+" sourceBuffer now EOS"));this.checkEos()},e.prototype.checkEos=function(){var t=this.sourceBuffer,e=this.mediaSource;if(!e||"open"!==e.readyState)return void(this._needsEos=!1);for(var i in t){var n=t[i];if(!n.ended)return;if(n.updating)return void(this._needsEos=!0)}It.b.log("all media data available, signal endOfStream() to MediaSource and stop loading fragment");try{e.endOfStream()}catch(t){It.b.warn("exception while calling mediaSource.endOfStream()")}this._needsEos=!1},e.prototype.onBufferFlushing=function(t){this.flushRange.push({start:t.startOffset,end:t.endOffset,type:t.type}),this.flushBufferCounter=0,this.doFlush()},e.prototype.onLevelUpdated=function(t){var e=t.details;0!==e.fragments.length&&(this._levelDuration=e.totalduration+e.fragments[0].start,this.updateMediaElementDuration())},e.prototype.updateMediaElementDuration=function(){var t=this.media,e=this.mediaSource,i=this.sourceBuffer,n=this._levelDuration;if(null!==n&&t&&e&&i&&0!==t.readyState&&"open"===e.readyState){for(var r in i)if(i[r].updating)return;null===this._msDuration&&(this._msDuration=e.duration);var a=t.duration;(n>this._msDuration&&n>a||a===1/0||isNaN(a))&&(It.b.log("Updating mediasource duration to "+n.toFixed(3)),this._msDuration=e.duration=n)}},e.prototype.doFlush=function(){for(;this.flushRange.length;){var t=this.flushRange[0];if(!this.flushBuffer(t.start,t.end,t.type))return void(this._needsFlush=!0);this.flushRange.shift(),this.flushBufferCounter=0}if(0===this.flushRange.length){this._needsFlush=!1;var e=0,i=this.sourceBuffer;try{for(var n in i)e+=i[n].buffered.length}catch(t){It.b.error("error while accessing sourceBuffer.buffered")}this.appended=e,this.hls.trigger(wt.a.BUFFER_FLUSHED)}},e.prototype.doAppending=function(){var t=this.hls,e=this.sourceBuffer,i=this.segments;if(Object.keys(e).length){if(this.media.error)return this.segments=[],void It.b.error("trying to append although a media error occured, flush segment and abort");if(this.appending)return;if(i&&i.length){var n=i.shift();try{var r=n.type,a=e[r];a?a.updating?i.unshift(n):(a.ended=!1,this.parent=n.parent,a.appendBuffer(n.data),this.appendError=0,this.appended++,this.appending=!0):this.onSBUpdateEnd()}catch(e){It.b.error("error while trying to append buffer:"+e.message),i.unshift(n);var o={type:Ct.b.MEDIA_ERROR,parent:n.parent};if(22===e.code)return this.segments=[],o.details=Ct.a.BUFFER_FULL_ERROR,o.fatal=!1,void t.trigger(wt.a.ERROR,o);if(this.appendError?this.appendError++:this.appendError=1,o.details=Ct.a.BUFFER_APPEND_ERROR,this.appendError>t.config.appendErrorMaxRetry)return It.b.log("fail "+t.config.appendErrorMaxRetry+" times to append segment in sourceBuffer"),i=[],o.fatal=!0,void t.trigger(wt.a.ERROR,o);o.fatal=!1,t.trigger(wt.a.ERROR,o)}}}},e.prototype.flushBuffer=function(t,e,i){var n,r,a,o,s,l,u=this.sourceBuffer;if(Object.keys(u).length){if(It.b.log("flushBuffer,pos/start/end: "+this.media.currentTime.toFixed(3)+"/"+t+"/"+e),this.flushBufferCounter<this.appended){for(var d in u)if(!i||d===i){if(n=u[d],n.ended=!1,n.updating)return It.b.warn("cannot flush, sb updating in progress"),!1;try{for(r=0;r<n.buffered.length;r++)if(a=n.buffered.start(r),o=n.buffered.end(r),-1!==navigator.userAgent.toLowerCase().indexOf("firefox")&&e===Number.POSITIVE_INFINITY?(s=t,l=e):(s=Math.max(a,t),l=Math.min(o,e)),Math.min(l,o)-s>.5)return this.flushBufferCounter++,It.b.log("flush "+d+" ["+s+","+l+"], of ["+a+","+o+"], pos:"+this.media.currentTime),n.remove(s,l),!1}catch(t){It.b.warn("exception while accessing sourcebuffer, it might have been removed from MediaSource")}}}else It.b.warn("abort flushing too many retries");It.b.log("buffer flushed")}return!0},e}(Pt),De=Ie,Oe=function(){function t(t,e){for(var i=0;i<e.length;i++){var n=e[i];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(t,n.key,n)}}return function(e,i,n){return i&&t(e.prototype,i),n&&t(e,n),e}}(),Pe=function(t){function e(i){return j(this,e),H(this,t.call(this,i,wt.a.FPS_DROP_LEVEL_CAPPING,wt.a.MEDIA_ATTACHING,wt.a.MANIFEST_PARSED))}return $(e,t),e.prototype.destroy=function(){this.hls.config.capLevelToPlayerSize&&(this.media=this.restrictedLevels=null,this.autoLevelCapping=Number.POSITIVE_INFINITY,this.timer&&(this.timer=clearInterval(this.timer)))},e.prototype.onFpsDropLevelCapping=function(t){e.isLevelAllowed(t.droppedLevel,this.restrictedLevels)&&this.restrictedLevels.push(t.droppedLevel)},e.prototype.onMediaAttaching=function(t){this.media=t.media instanceof HTMLVideoElement?t.media:null},e.prototype.onManifestParsed=function(t){var e=this.hls;this.restrictedLevels=[],e.config.capLevelToPlayerSize&&(this.autoLevelCapping=Number.POSITIVE_INFINITY,this.levels=t.levels,e.firstLevel=this.getMaxLevel(t.firstLevel),clearInterval(this.timer),this.timer=setInterval(this.detectPlayerSize.bind(this),1e3),this.detectPlayerSize())},e.prototype.detectPlayerSize=function(){if(this.media){var t=this.levels?this.levels.length:0;if(t){var e=this.hls;e.autoLevelCapping=this.getMaxLevel(t-1),e.autoLevelCapping>this.autoLevelCapping&&e.streamController.nextLevelSwitch(),this.autoLevelCapping=e.autoLevelCapping}}},e.prototype.getMaxLevel=function(t){var i=this;if(!this.levels)return-1;var n=this.levels.filter(function(n,r){return e.isLevelAllowed(r,i.restrictedLevels)&&r<=t});return e.getMaxLevelByMediaSize(n,this.mediaWidth,this.mediaHeight)},e.isLevelAllowed=function(t){return-1===(arguments.length>1&&void 0!==arguments[1]?arguments[1]:[]).indexOf(t)},e.getMaxLevelByMediaSize=function(t,e,i){if(!t||t&&!t.length)return-1;for(var n=t.length-1,r=0;r<t.length;r+=1){var a=t[r];if((a.width>=e||a.height>=i)&&function(t,e){return!e||(t.width!==e.width||t.height!==e.height)}(a,t[r+1])){n=r;break}}return n},Oe(e,[{key:"mediaWidth",get:function(){var t=void 0,i=this.media;return i&&(t=i.width||i.clientWidth||i.offsetWidth,t*=e.contentScaleFactor),t}},{key:"mediaHeight",get:function(){var t=void 0,i=this.media;return i&&(t=i.height||i.clientHeight||i.offsetHeight,t*=e.contentScaleFactor),t}}],[{key:"contentScaleFactor",get:function(){var t=1;try{t=window.devicePixelRatio}catch(t){}return t}}]),e}(Pt),xe=Pe,Ne=function(t){function e(i){return z(this,e),W(this,t.call(this,i,wt.a.MEDIA_ATTACHING))}return q(e,t),e.prototype.destroy=function(){this.timer&&clearInterval(this.timer),this.isVideoPlaybackQualityAvailable=!1},e.prototype.onMediaAttaching=function(t){var e=this.hls.config;if(e.capLevelOnFPSDrop){"function"==typeof(this.video=t.media instanceof HTMLVideoElement?t.media:null).getVideoPlaybackQuality&&(this.isVideoPlaybackQualityAvailable=!0),clearInterval(this.timer),this.timer=setInterval(this.checkFPSInterval.bind(this),e.fpsDroppedMonitoringPeriod)}},e.prototype.checkFPS=function(t,e,i){var n=performance.now();if(e){if(this.lastTime){var r=n-this.lastTime,a=i-this.lastDroppedFrames,o=e-this.lastDecodedFrames,s=1e3*a/r,l=this.hls;if(l.trigger(wt.a.FPS_DROP,{currentDropped:a,currentDecoded:o,totalDroppedFrames:i}),s>0&&a>l.config.fpsDroppedMonitoringThreshold*o){var u=l.currentLevel;It.b.warn("drop FPS ratio greater than max allowed value for currentLevel: "+u),u>0&&(-1===l.autoLevelCapping||l.autoLevelCapping>=u)&&(u-=1,l.trigger(wt.a.FPS_DROP_LEVEL_CAPPING,{level:u,droppedLevel:l.currentLevel}),l.autoLevelCapping=u,l.streamController.nextLevelSwitch())}}this.lastTime=n,this.lastDroppedFrames=i,this.lastDecodedFrames=e}},e.prototype.checkFPSInterval=function(){var t=this.video;if(t)if(this.isVideoPlaybackQualityAvailable){var e=t.getVideoPlaybackQuality();this.checkFPS(t,e.totalVideoFrames,e.droppedVideoFrames)}else this.checkFPS(t,t.webkitDecodedFrameCount,t.webkitDroppedFrameCount)},e}(Pt),Me=Ne,Fe=function(){function t(e){X(this,t),e&&e.xhrSetup&&(this.xhrSetup=e.xhrSetup)}return t.prototype.destroy=function(){this.abort(),this.loader=null},t.prototype.abort=function(){var t=this.loader;t&&4!==t.readyState&&(this.stats.aborted=!0,t.abort()),window.clearTimeout(this.requestTimeout),this.requestTimeout=null,window.clearTimeout(this.retryTimeout),this.retryTimeout=null},t.prototype.load=function(t,e,i){this.context=t,this.config=e,this.callbacks=i,this.stats={trequest:performance.now(),retry:0},this.retryDelay=e.retryDelay,this.loadInternal()},t.prototype.loadInternal=function(){var t,e=this.context;t=this.loader=new XMLHttpRequest;var i=this.stats;i.tfirst=0,i.loaded=0;var n=this.xhrSetup;try{if(n)try{n(t,e.url)}catch(i){t.open("GET",e.url,!0),n(t,e.url)}t.readyState||t.open("GET",e.url,!0)}catch(i){return void this.callbacks.onError({code:t.status,text:i.message},e,t)}e.rangeEnd&&t.setRequestHeader("Range","bytes="+e.rangeStart+"-"+(e.rangeEnd-1)),t.onreadystatechange=this.readystatechange.bind(this),t.onprogress=this.loadprogress.bind(this),t.responseType=e.responseType,this.requestTimeout=window.setTimeout(this.loadtimeout.bind(this),this.config.timeout),t.send()},t.prototype.readystatechange=function(t){var e=t.currentTarget,i=e.readyState,n=this.stats,r=this.context,a=this.config;if(!n.aborted&&i>=2)if(window.clearTimeout(this.requestTimeout),0===n.tfirst&&(n.tfirst=Math.max(performance.now(),n.trequest)),4===i){var o=e.status;if(o>=200&&o<300){n.tload=Math.max(n.tfirst,performance.now());var s=void 0,l=void 0;"arraybuffer"===r.responseType?(s=e.response,l=s.byteLength):(s=e.responseText,l=s.length),n.loaded=n.total=l;var u={url:e.responseURL,data:s};this.callbacks.onSuccess(u,n,r,e)}else n.retry>=a.maxRetry||o>=400&&o<499?(It.b.error(o+" while loading "+r.url),this.callbacks.onError({code:o,text:e.statusText},r,e)):(It.b.warn(o+" while loading "+r.url+", retrying in "+this.retryDelay+"..."),this.destroy(),this.retryTimeout=window.setTimeout(this.loadInternal.bind(this),this.retryDelay),this.retryDelay=Math.min(2*this.retryDelay,a.maxRetryDelay),n.retry++)}else this.requestTimeout=window.setTimeout(this.loadtimeout.bind(this),a.timeout)},t.prototype.loadtimeout=function(){It.b.warn("timeout while loading "+this.context.url),this.callbacks.onTimeout(this.stats,this.context,null)},t.prototype.loadprogress=function(t){var e=t.currentTarget,i=this.stats;i.loaded=t.loaded,t.lengthComputable&&(i.total=t.total);var n=this.callbacks.onProgress;n&&n(i,this.context,null,e)},t}(),Be=Fe,Ue=function(){function t(t,e){for(var i=0;i<e.length;i++){var n=e[i];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(t,n.key,n)}}return function(e,i,n){return i&&t(e.prototype,i),n&&t(e,n),e}}(),Ge=function(t){function e(i){Z(this,e);var n=J(this,t.call(this,i,wt.a.MANIFEST_LOADING,wt.a.MANIFEST_LOADED,wt.a.AUDIO_TRACK_LOADED,wt.a.ERROR));return n.ticks=0,n.ontick=n.tick.bind(n),n}return Q(e,t),e.prototype.destroy=function(){this.cleanTimer(),Pt.prototype.destroy.call(this)},e.prototype.cleanTimer=function(){this.timer&&(clearTimeout(this.timer),this.timer=null)},e.prototype.tick=function(){1===++this.ticks&&(this.doTick(),this.ticks>1&&setTimeout(this.tick,1),this.ticks=0)},e.prototype.doTick=function(){this.updateTrack(this.trackId)},e.prototype.onError=function(t){t.fatal&&t.type===Ct.b.NETWORK_ERROR&&this.cleanTimer()},e.prototype.onManifestLoading=function(){this.tracks=[],this.trackId=-1},e.prototype.onManifestLoaded=function(t){var e=this,i=t.audioTracks||[],n=!1;this.tracks=i,this.hls.trigger(wt.a.AUDIO_TRACKS_UPDATED,{audioTracks:i});var r=0;i.forEach(function(t){if(t.default&&!n)return e.audioTrack=r,void(n=!0);r++}),!1===n&&i.length&&(It.b.log("no default audio track defined, use first audio track as default"),this.audioTrack=0)},e.prototype.onAudioTrackLoaded=function(t){t.id<this.tracks.length&&(It.b.log("audioTrack "+t.id+" loaded"),this.tracks[t.id].details=t.details,t.details.live&&!this.timer&&(this.timer=setInterval(this.ontick,1e3*t.details.targetduration)),!t.details.live&&this.timer&&this.cleanTimer())},e.prototype.setAudioTrackInternal=function(t){if(t>=0&&t<this.tracks.length){this.cleanTimer(),this.trackId=t,It.b.log("switching to audioTrack "+t);var e=this.tracks[t],i=this.hls,n=e.type,r=e.url,a={id:t,type:n,url:r};i.trigger(wt.a.AUDIO_TRACK_SWITCH,a),i.trigger(wt.a.AUDIO_TRACK_SWITCHING,a);var o=e.details;!r||void 0!==o&&!0!==o.live||(It.b.log("(re)loading playlist for audioTrack "+t),i.trigger(wt.a.AUDIO_TRACK_LOADING,{url:r,id:t}))}},e.prototype.updateTrack=function(t){if(t>=0&&t<this.tracks.length){this.cleanTimer(),this.trackId=t,It.b.log("updating audioTrack "+t);var e=this.tracks[t],i=e.url,n=e.details;!i||void 0!==n&&!0!==n.live||(It.b.log("(re)loading playlist for audioTrack "+t),this.hls.trigger(wt.a.AUDIO_TRACK_LOADING,{url:i,id:t}))}},Ue(e,[{key:"audioTracks",get:function(){return this.tracks}},{key:"audioTrack",get:function(){return this.trackId},set:function(t){this.trackId===t&&void 0!==this.tracks[t].details||this.setAudioTrackInternal(t)}}]),e}(Pt),Ke=Ge,Ve=function(){function t(t,e){for(var i=0;i<e.length;i++){var n=e[i];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(t,n.key,n)}}return function(e,i,n){return i&&t(e.prototype,i),n&&t(e,n),e}}(),Ye={STOPPED:"STOPPED",STARTING:"STARTING",IDLE:"IDLE",PAUSED:"PAUSED",KEY_LOADING:"KEY_LOADING",FRAG_LOADING:"FRAG_LOADING",FRAG_LOADING_WAITING_RETRY:"FRAG_LOADING_WAITING_RETRY",WAITING_TRACK:"WAITING_TRACK",PARSING:"PARSING",PARSED:"PARSED",BUFFER_FLUSHING:"BUFFER_FLUSHING",ENDED:"ENDED",ERROR:"ERROR",WAITING_INIT_PTS:"WAITING_INIT_PTS"},je=function(t){function e(i){tt(this,e);var n=et(this,t.call(this,i,wt.a.MEDIA_ATTACHED,wt.a.MEDIA_DETACHING,wt.a.AUDIO_TRACKS_UPDATED,wt.a.AUDIO_TRACK_SWITCHING,wt.a.AUDIO_TRACK_LOADED,wt.a.KEY_LOADED,wt.a.FRAG_LOADED,wt.a.FRAG_PARSING_INIT_SEGMENT,wt.a.FRAG_PARSING_DATA,wt.a.FRAG_PARSED,wt.a.ERROR,wt.a.BUFFER_CREATED,wt.a.BUFFER_APPENDED,wt.a.BUFFER_FLUSHED,wt.a.INIT_PTS_FOUND));return n.config=i.config,n.audioCodecSwap=!1,n.ticks=0,n._state=Ye.STOPPED,n.ontick=n.tick.bind(n),n.initPTS=[],n.waitingFragment=null,n.videoTrackCC=null,n}return it(e,t),e.prototype.destroy=function(){this.stopLoad(),this.timer&&(clearInterval(this.timer),this.timer=null),Pt.prototype.destroy.call(this),this.state=Ye.STOPPED},e.prototype.onInitPtsFound=function(t){var e=t.id,i=t.frag.cc,n=t.initPTS;"main"===e&&(this.initPTS[i]=n,this.videoTrackCC=i,It.b.log("InitPTS for cc:"+i+" found from video track:"+n),this.state===Ye.WAITING_INIT_PTS&&this.tick())},e.prototype.startLoad=function(t){if(this.tracks){var e=this.lastCurrentTime;this.stopLoad(),this.timer||(this.timer=setInterval(this.ontick,100)),this.fragLoadError=0,e>0&&-1===t?(It.b.log("audio:override startPosition with lastCurrentTime @"+e.toFixed(3)),this.state=Ye.IDLE):(this.lastCurrentTime=this.startPosition?this.startPosition:t,this.state=Ye.STARTING),this.nextLoadPosition=this.startPosition=this.lastCurrentTime,this.tick()}else this.startPosition=t,this.state=Ye.STOPPED},e.prototype.stopLoad=function(){var t=this.fragCurrent;t&&(t.loader&&t.loader.abort(),this.fragCurrent=null),this.fragPrevious=null,this.demuxer&&(this.demuxer.destroy(),this.demuxer=null),this.state=Ye.STOPPED},e.prototype.tick=function(){1===++this.ticks&&(this.doTick(),this.ticks>1&&setTimeout(this.tick,1),this.ticks=0)},e.prototype.doTick=function(){var t,e,i,n=this.hls,r=n.config;switch(this.state){case Ye.ERROR:case Ye.PAUSED:case Ye.BUFFER_FLUSHING:break;case Ye.STARTING:this.state=Ye.WAITING_TRACK,this.loadedmetadata=!1;break;case Ye.IDLE:var a=this.tracks;if(!a)break;if(!this.media&&(this.startFragRequested||!r.startFragPrefetch))break;if(this.loadedmetadata)t=this.media.currentTime;else if(void 0===(t=this.nextLoadPosition))break;var o=this.mediaBuffer?this.mediaBuffer:this.media,s=this.videoBuffer?this.videoBuffer:this.media,l=ee.bufferInfo(o,t,r.maxBufferHole),u=ee.bufferInfo(s,t,r.maxBufferHole),d=l.len,c=l.end,h=this.fragPrevious,f=Math.max(r.maxBufferLength,u.len),p=this.audioSwitch,g=this.trackId;if((d<f||p)&&g<a.length){if(void 0===(i=a[g].details)){this.state=Ye.WAITING_TRACK;break}if(!p&&!i.live&&h&&h.sn===i.endSN&&(!this.media.seeking||this.media.duration-c<h.duration/2)){this.hls.trigger(wt.a.BUFFER_EOS,{type:"audio"}),this.state=Ye.ENDED;break}var y=i.fragments,m=y.length,v=y[0].start,b=y[m-1].start+y[m-1].duration,_=void 0;if(p)if(i.live&&!i.PTSKnown)It.b.log("switching audiotrack, live stream, unknown PTS,load first fragment"),c=0;else if(c=t,i.PTSKnown&&t<v){if(!(l.end>v||l.nextStart))return;It.b.log("alt audio track ahead of main track, seek to start of alt audio track"),this.media.currentTime=v+.05}if(i.initSegment&&!i.initSegment.data)_=i.initSegment;else if(c<=v){if(_=y[0],null!==this.videoTrackCC&&_.cc!==this.videoTrackCC&&(_=T(y,this.videoTrackCC)),i.live&&_.loadIdx&&_.loadIdx===this.fragLoadIdx){var E=l.nextStart?l.nextStart:v;return It.b.log("no alt audio available @currentTime:"+this.media.currentTime+", seeking @"+(E+.05)),void(this.media.currentTime=E+.05)}}else{var A=void 0,S=r.maxFragLookUpTolerance,L=h?y[h.sn-y[0].sn+1]:void 0,R=function(t){var e=Math.min(S,t.duration);return t.start+t.duration-e<=c?1:t.start-e>c&&t.start?-1:0};c<b?(c>b-S&&(S=0),A=L&&!R(L)?L:Qt.search(y,R)):A=y[m-1],A&&(_=A,v=A.start,h&&_.level===h.level&&_.sn===h.sn&&(_.sn<i.endSN?(_=y[_.sn+1-i.startSN],It.b.log("SN just loaded, load next one: "+_.sn)):_=null))}if(_)if(_.decryptdata&&null!=_.decryptdata.uri&&null==_.decryptdata.key)It.b.log("Loading key for "+_.sn+" of ["+i.startSN+" ,"+i.endSN+"],track "+g),this.state=Ye.KEY_LOADING,n.trigger(wt.a.KEY_LOADING,{frag:_});else{if(It.b.log("Loading "+_.sn+", cc: "+_.cc+" of ["+i.startSN+" ,"+i.endSN+"],track "+g+", currentTime:"+t+",bufferEnd:"+c.toFixed(3)),void 0!==this.fragLoadIdx?this.fragLoadIdx++:this.fragLoadIdx=0,_.loadCounter){_.loadCounter++;var k=r.fragLoadingLoopThreshold;if(_.loadCounter>k&&Math.abs(this.fragLoadIdx-_.loadIdx)<k)return void n.trigger(wt.a.ERROR,{type:Ct.b.MEDIA_ERROR,details:Ct.a.FRAG_LOOP_LOADING_ERROR,fatal:!1,frag:_})}else _.loadCounter=1;_.loadIdx=this.fragLoadIdx,this.fragCurrent=_,this.startFragRequested=!0,isNaN(_.sn)||(this.nextLoadPosition=_.start+_.duration),n.trigger(wt.a.FRAG_LOADING,{frag:_}),this.state=Ye.FRAG_LOADING}}break;case Ye.WAITING_TRACK:e=this.tracks[this.trackId],e&&e.details&&(this.state=Ye.IDLE);break;case Ye.FRAG_LOADING_WAITING_RETRY:var w=performance.now(),C=this.retryDate;o=this.media;var I=o&&o.seeking;(!C||w>=C||I)&&(It.b.log("audioStreamController: retryDate reached, switch back to IDLE state"),this.state=Ye.IDLE);break;case Ye.WAITING_INIT_PTS:var D=this.videoTrackCC;if(void 0===this.initPTS[D])break;var O=this.waitingFragment;if(O){var P=O.frag.cc;D!==P?(e=this.tracks[this.trackId],e.details&&e.details.live&&(It.b.warn("Waiting fragment CC ("+P+") does not match video track CC ("+D+")"),this.waitingFragment=null,this.state=Ye.IDLE)):(this.state=Ye.FRAG_LOADING,this.onFragLoaded(this.waitingFragment),this.waitingFragment=null)}else this.state=Ye.IDLE;break;case Ye.STOPPED:case Ye.FRAG_LOADING:case Ye.PARSING:case Ye.PARSED:case Ye.ENDED:}},e.prototype.onMediaAttached=function(t){var e=this.media=this.mediaBuffer=t.media;this.onvseeking=this.onMediaSeeking.bind(this),this.onvended=this.onMediaEnded.bind(this),e.addEventListener("seeking",this.onvseeking),e.addEventListener("ended",this.onvended);var i=this.config;this.tracks&&i.autoStartLoad&&this.startLoad(i.startPosition)},e.prototype.onMediaDetaching=function(){var t=this.media;t&&t.ended&&(It.b.log("MSE detaching and video ended, reset startPosition"),this.startPosition=this.lastCurrentTime=0);var e=this.tracks;e&&e.forEach(function(t){t.details&&t.details.fragments.forEach(function(t){t.loadCounter=void 0})}),t&&(t.removeEventListener("seeking",this.onvseeking),t.removeEventListener("ended",this.onvended),this.onvseeking=this.onvseeked=this.onvended=null),this.media=this.mediaBuffer=this.videoBuffer=null,this.loadedmetadata=!1,this.stopLoad()},e.prototype.onMediaSeeking=function(){this.state===Ye.ENDED&&(this.state=Ye.IDLE),this.media&&(this.lastCurrentTime=this.media.currentTime),void 0!==this.fragLoadIdx&&(this.fragLoadIdx+=2*this.config.fragLoadingLoopThreshold),this.tick()},e.prototype.onMediaEnded=function(){this.startPosition=this.lastCurrentTime=0},e.prototype.onAudioTracksUpdated=function(t){It.b.log("audio tracks updated"),this.tracks=t.audioTracks},e.prototype.onAudioTrackSwitching=function(t){var e=!!t.url;this.trackId=t.id,this.fragCurrent=null,this.state=Ye.PAUSED,this.waitingFragment=null,e?this.timer||(this.timer=setInterval(this.ontick,100)):this.demuxer&&(this.demuxer.destroy(),this.demuxer=null),e&&(this.audioSwitch=!0,this.state=Ye.IDLE,void 0!==this.fragLoadIdx&&(this.fragLoadIdx+=2*this.config.fragLoadingLoopThreshold)),this.tick()},e.prototype.onAudioTrackLoaded=function(t){var e=t.details,i=t.id,n=this.tracks[i],r=e.totalduration,a=0;if(It.b.log("track "+i+" loaded ["+e.startSN+","+e.endSN+"],duration:"+r),e.live){var o=n.details;o&&e.fragments.length>0?(_(o,e),a=e.fragments[0].start,e.PTSKnown?It.b.log("live audio playlist sliding:"+a.toFixed(3)):It.b.log("live audio playlist - outdated PTS, unknown sliding")):(e.PTSKnown=!1,It.b.log("live audio playlist - first load, unknown sliding"))}else e.PTSKnown=!1;if(n.details=e,!this.startFragRequested){if(-1===this.startPosition){var s=e.startTimeOffset;isNaN(s)?this.startPosition=0:(It.b.log("start time offset found in playlist, adjust startPosition to "+s),this.startPosition=s)}this.nextLoadPosition=this.startPosition}this.state===Ye.WAITING_TRACK&&(this.state=Ye.IDLE),this.tick()},e.prototype.onKeyLoaded=function(){this.state===Ye.KEY_LOADING&&(this.state=Ye.IDLE,this.tick())},e.prototype.onFragLoaded=function(t){var e=this.fragCurrent,i=t.frag;if(this.state===Ye.FRAG_LOADING&&e&&"audio"===i.type&&i.level===e.level&&i.sn===e.sn){var n=this.tracks[this.trackId],r=n.details,a=r.totalduration,o=e.level,s=e.sn,l=e.cc,u=this.config.defaultAudioCodec||n.audioCodec||"mp4a.40.2",d=this.stats=t.stats;if("initSegment"===s)this.state=Ye.IDLE,d.tparsed=d.tbuffered=performance.now(),r.initSegment.data=t.payload,this.hls.trigger(wt.a.FRAG_BUFFERED,{stats:d,frag:e,id:"audio"}),this.tick();else{this.state=Ye.PARSING,this.appended=!1,this.demuxer||(this.demuxer=new ue(this.hls,"audio"));var c=this.initPTS[l],h=r.initSegment?r.initSegment.data:[];if(r.initSegment||void 0!==c){this.pendingBuffering=!0,It.b.log("Demuxing "+s+" of ["+r.startSN+" ,"+r.endSN+"],track "+o);this.demuxer.push(t.payload,h,u,null,e,a,!1,c)}else It.b.log("unknown video PTS for continuity counter "+l+", waiting for video PTS before demuxing audio frag "+s+" of ["+r.startSN+" ,"+r.endSN+"],track "+o),this.waitingFragment=t,this.state=Ye.WAITING_INIT_PTS}}this.fragLoadError=0},e.prototype.onFragParsingInitSegment=function(t){var e=this.fragCurrent,i=t.frag;if(e&&"audio"===t.id&&i.sn===e.sn&&i.level===e.level&&this.state===Ye.PARSING){var n=t.tracks,r=void 0;if(n.video&&delete n.video,r=n.audio){r.levelCodec=r.codec,r.id=t.id,this.hls.trigger(wt.a.BUFFER_CODECS,n),It.b.log("audio track:audio,container:"+r.container+",codecs[level/parsed]=["+r.levelCodec+"/"+r.codec+"]");var a=r.initSegment;if(a){var o={type:"audio",data:a,parent:"audio",content:"initSegment"};this.audioSwitch?this.pendingData=[o]:(this.appended=!0,this.pendingBuffering=!0,this.hls.trigger(wt.a.BUFFER_APPENDING,o))}this.tick()}}},e.prototype.onFragParsingData=function(t){var e=this,i=this.fragCurrent,n=t.frag;if(i&&"audio"===t.id&&"audio"===t.type&&n.sn===i.sn&&n.level===i.level&&this.state===Ye.PARSING){var r=this.trackId,a=this.tracks[r],o=this.hls;isNaN(t.endPTS)&&(t.endPTS=t.startPTS+i.duration,t.endDTS=t.startDTS+i.duration),It.b.log("parsed "+t.type+",PTS:["+t.startPTS.toFixed(3)+","+t.endPTS.toFixed(3)+"],DTS:["+t.startDTS.toFixed(3)+"/"+t.endDTS.toFixed(3)+"],nb:"+t.nb),b(a.details,i,t.startPTS,t.endPTS);var s=this.audioSwitch,l=this.media,u=!1;if(s&&l)if(l.readyState){var d=l.currentTime;It.b.log("switching audio track : currentTime:"+d),d>=t.startPTS&&(It.b.log("switching audio track : flushing all audio"),this.state=Ye.BUFFER_FLUSHING,o.trigger(wt.a.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY,type:"audio"}),u=!0,this.audioSwitch=!1,o.trigger(wt.a.AUDIO_TRACK_SWITCHED,{id:r}))}else this.audioSwitch=!1,o.trigger(wt.a.AUDIO_TRACK_SWITCHED,{id:r});var c=this.pendingData;this.audioSwitch||([t.data1,t.data2].forEach(function(e){e&&e.length&&c.push({type:t.type,data:e,parent:"audio",content:"data"})}),!u&&c.length&&(c.forEach(function(t){e.state===Ye.PARSING&&(e.pendingBuffering=!0,e.hls.trigger(wt.a.BUFFER_APPENDING,t))}),this.pendingData=[],this.appended=!0)),this.tick()}},e.prototype.onFragParsed=function(t){var e=this.fragCurrent,i=t.frag;e&&"audio"===t.id&&i.sn===e.sn&&i.level===e.level&&this.state===Ye.PARSING&&(this.stats.tparsed=performance.now(),this.state=Ye.PARSED,this._checkAppendedParsed())},e.prototype.onBufferCreated=function(t){var e=t.tracks.audio;e&&(this.mediaBuffer=e.buffer,this.loadedmetadata=!0),t.tracks.video&&(this.videoBuffer=t.tracks.video.buffer)},e.prototype.onBufferAppended=function(t){if("audio"===t.parent){var e=this.state;e!==Ye.PARSING&&e!==Ye.PARSED||(this.pendingBuffering=t.pending>0,this._checkAppendedParsed())}},e.prototype._checkAppendedParsed=function(){if(!(this.state!==Ye.PARSED||this.appended&&this.pendingBuffering)){var t=this.fragCurrent,e=this.stats,i=this.hls;if(t){this.fragPrevious=t,e.tbuffered=performance.now(),i.trigger(wt.a.FRAG_BUFFERED,{stats:e,frag:t,id:"audio"});var n=this.mediaBuffer?this.mediaBuffer:this.media;It.b.log("audio buffered : "+ce.toString(n.buffered)),this.audioSwitch&&this.appended&&(this.audioSwitch=!1,i.trigger(wt.a.AUDIO_TRACK_SWITCHED,{id:this.trackId})),this.state=Ye.IDLE}this.tick()}},e.prototype.onError=function(t){var e=t.frag;if(!e||"audio"===e.type)switch(t.details){case Ct.a.FRAG_LOAD_ERROR:case Ct.a.FRAG_LOAD_TIMEOUT:if(!t.fatal){var i=this.fragLoadError;i?i++:i=1;var n=this.config;if(i<=n.fragLoadingMaxRetry){this.fragLoadError=i,e.loadCounter=0;var r=Math.min(Math.pow(2,i-1)*n.fragLoadingRetryDelay,n.fragLoadingMaxRetryTimeout);It.b.warn("audioStreamController: frag loading failed, retry in "+r+" ms"),this.retryDate=performance.now()+r,this.state=Ye.FRAG_LOADING_WAITING_RETRY}else It.b.error("audioStreamController: "+t.details+" reaches max retry, redispatch as fatal ..."),t.fatal=!0,this.state=Ye.ERROR}break;case Ct.a.FRAG_LOOP_LOADING_ERROR:case Ct.a.AUDIO_TRACK_LOAD_ERROR:case Ct.a.AUDIO_TRACK_LOAD_TIMEOUT:case Ct.a.KEY_LOAD_ERROR:case Ct.a.KEY_LOAD_TIMEOUT:this.state!==Ye.ERROR&&(this.state=t.fatal?Ye.ERROR:Ye.IDLE,It.b.warn("audioStreamController: "+t.details+" while loading frag,switch to "+this.state+" state ..."));break;case Ct.a.BUFFER_FULL_ERROR:if("audio"===t.parent&&(this.state===Ye.PARSING||this.state===Ye.PARSED)){var a=this.mediaBuffer,o=this.media.currentTime;if(a&&ee.isBuffered(a,o)&&ee.isBuffered(a,o+.5)){var s=this.config;s.maxMaxBufferLength>=s.maxBufferLength&&(s.maxMaxBufferLength/=2,It.b.warn("audio:reduce max buffer length to "+s.maxMaxBufferLength+"s"),this.fragLoadIdx+=2*s.fragLoadingLoopThreshold),this.state=Ye.IDLE}else It.b.warn("buffer full error also media.currentTime is not buffered, flush audio buffer"),this.fragCurrent=null,this.state=Ye.BUFFER_FLUSHING,this.hls.trigger(wt.a.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY,type:"audio"})}}},e.prototype.onBufferFlushed=function(){var t=this,e=this.pendingData;e&&e.length?(It.b.log("appending pending audio data on Buffer Flushed"),e.forEach(function(e){t.hls.trigger(wt.a.BUFFER_APPENDING,e)}),this.appended=!0,this.pendingData=[],this.state=Ye.PARSED):(this.state=Ye.IDLE,this.fragPrevious=null,this.tick())},Ve(e,[{key:"state",set:function(t){if(this.state!==t){var e=this.state;this._state=t,It.b.log("audio stream:"+e+"->"+t)}},get:function(){return this._state}}]),e}(Pt),He=je,$e=function(){function t(t){return"string"==typeof t&&(!!a[t.toLowerCase()]&&t.toLowerCase())}function e(t){return"string"==typeof t&&(!!o[t.toLowerCase()]&&t.toLowerCase())}function i(t){for(var e=1;e<arguments.length;e++){var i=arguments[e];for(var n in i)t[n]=i[n]}return t}function n(n,a,o){var s=this,l=function(){if("undefined"!=typeof navigator)return/MSIE\s8\.0/.test(navigator.userAgent)}(),u={};l?s=document.createElement("custom"):u.enumerable=!0,s.hasBeenReset=!1;var d="",c=!1,h=n,f=a,p=o,g=null,y="",m=!0,v="auto",b="start",_=50,E="middle",T=50,A="middle";if(Object.defineProperty(s,"id",i({},u,{get:function(){return d},set:function(t){d=""+t}})),Object.defineProperty(s,"pauseOnExit",i({},u,{get:function(){return c},set:function(t){c=!!t}})),Object.defineProperty(s,"startTime",i({},u,{get:function(){return h},set:function(t){if("number"!=typeof t)throw new TypeError("Start time must be set to a 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$e(0,0,0),qe="middle"===We.align?"middle":"center";nt.prototype={parse:function(t){function e(){var t=i.buffer,e=0;for(t=lt(t);e<t.length&&"\r"!==t[e]&&"\n"!==t[e];)++e;var n=t.substr(0,e);return"\r"===t[e]&&++e,"\n"===t[e]&&++e,i.buffer=t.substr(e),n}var i=this;t&&(i.buffer+=i.decoder.decode(t,{stream:!0}));try{var n;if("INITIAL"===i.state){if(!/\r\n|\n/.test(i.buffer))return this;n=e();var r=n.match(/^()?WEBVTT([ \t].*)?$/);if(!r||!r[0])throw new Error("Malformed WebVTT signature.");i.state="HEADER"}for(var a=!1;i.buffer;){if(!/\r\n|\n/.test(i.buffer))return this;switch(a?a=!1:n=e(),i.state){case"HEADER":/:/.test(n)?function(t){ot(t,function(t,e){switch(t){case"Region":console.log("parse region",e)}},/:/)}(n):n||(i.state="ID");continue;case"NOTE":n||(i.state="ID");continue;case"ID":if(/^NOTE($|[ \t])/.test(n)){i.state="NOTE";break}if(!n)continue;if(i.cue=new $e(0,0,""),i.state="CUE",-1===n.indexOf("--\x3e")){i.cue.id=n;continue}case"CUE":try{st(n,i.cue,i.regionList)}catch(t){i.cue=null,i.state="BADCUE";continue}i.state="CUETEXT";continue;case"CUETEXT":var o=-1!==n.indexOf("--\x3e");if(!n||o&&(a=!0)){i.oncue&&i.oncue(i.cue),i.cue=null,i.state="ID";continue}i.cue.text&&(i.cue.text+="\n"),i.cue.text+=n;continue;case"BADCUE":n||(i.state="ID");continue}}}catch(t){"CUETEXT"===i.state&&i.cue&&i.oncue&&i.oncue(i.cue),i.cue=null,i.state="INITIAL"===i.state?"BADWEBVTT":"BADCUE"}return this},flush:function(){var t=this;try{if(t.buffer+=t.decoder.decode(),(t.cue||"HEADER"===t.state)&&(t.buffer+="\n\n",t.parse()),"INITIAL"===t.state)throw new Error("Malformed WebVTT signature.")}catch(t){throw t}return t.onflush&&t.onflush(),this}};var Xe=nt,Ze={42:225,92:233,94:237,95:243,96:250,123:231,124:247,125:209,126:241,127:9608,128:174,129:176,130:189,131:191,132:8482,133:162,134:163,135:9834,136:224,137:32,138:232,139:226,140:234,141:238,142:244,143:251,144:193,145:201,146:211,147:218,148:220,149:252,150:8216,151:161,152:42,153:8217,154:9473,155:169,156:8480,157:8226,158:8220,159:8221,160:192,161:194,162:199,163:200,164:202,165:203,166:235,167:206,168:207,169:239,170:212,171:217,172:249,173:219,174:171,175:187,176:195,177:227,178:205,179:204,180:236,181:210,182:242,183:213,184:245,185:123,186:125,187:92,188:94,189:95,190:124,191:8764,192:196,193:228,194:214,195:246,196:223,197:165,198:164,199:9475,200:197,201:229,202:216,203:248,204:9487,205:9491,206:9495,207:9499},Je=function(t){var e=t;return Ze.hasOwnProperty(t)&&(e=Ze[t]),String.fromCharCode(e)},Qe=15,ti=100,ei={17:1,18:3,21:5,22:7,23:9,16:11,19:12,20:14},ii={17:2,18:4,21:6,22:8,23:10,19:13,20:15},ni={25:1,26:3,29:5,30:7,31:9,24:11,27:12,28:14},ri={25:2,26:4,29:6,30:8,31:10,27:13,28:15},ai=["white","green","blue","cyan","red","yellow","magenta","black","transparent"],oi={verboseFilter:{DATA:3,DEBUG:3,INFO:2,WARNING:2,TEXT:1,ERROR:0},time:null,verboseLevel:0,setTime:function(t){this.time=t},log:function(t,e){var i=this.verboseFilter[t];this.verboseLevel>=i&&console.log(this.time+" ["+t+"] "+e)}},si=function(t){for(var e=[],i=0;i<t.length;i++)e.push(t[i].toString(16));return e},li=function(){function t(e,i,n,r,a){dt(this,t),this.foreground=e||"white",this.underline=i||!1,this.italics=n||!1,this.background=r||"black",this.flash=a||!1}return t.prototype.reset=function(){this.foreground="white",this.underline=!1,this.italics=!1,this.background="black",this.flash=!1},t.prototype.setStyles=function(t){for(var e=["foreground","underline","italics","background","flash"],i=0;i<e.length;i++){var n=e[i];t.hasOwnProperty(n)&&(this[n]=t[n])}},t.prototype.isDefault=function(){return"white"===this.foreground&&!this.underline&&!this.italics&&"black"===this.background&&!this.flash},t.prototype.equals=function(t){return this.foreground===t.foreground&&this.underline===t.underline&&this.italics===t.italics&&this.background===t.background&&this.flash===t.flash},t.prototype.copy=function(t){this.foreground=t.foreground,this.underline=t.underline,this.italics=t.italics,this.background=t.background,this.flash=t.flash},t.prototype.toString=function(){return"color="+this.foreground+", underline="+this.underline+", italics="+this.italics+", background="+this.background+", flash="+this.flash},t}(),ui=function(){function t(e,i,n,r,a,o){dt(this,t),this.uchar=e||" ",this.penState=new li(i,n,r,a,o)}return t.prototype.reset=function(){this.uchar=" ",this.penState.reset()},t.prototype.setChar=function(t,e){this.uchar=t,this.penState.copy(e)},t.prototype.setPenState=function(t){this.penState.copy(t)},t.prototype.equals=function(t){return this.uchar===t.uchar&&this.penState.equals(t.penState)},t.prototype.copy=function(t){this.uchar=t.uchar,this.penState.copy(t.penState)},t.prototype.isEmpty=function(){return" "===this.uchar&&this.penState.isDefault()},t}(),di=function(){function t(){dt(this,t),this.chars=[];for(var e=0;e<ti;e++)this.chars.push(new ui);this.pos=0,this.currPenState=new li}return t.prototype.equals=function(t){for(var e=!0,i=0;i<ti;i++)if(!this.chars[i].equals(t.chars[i])){e=!1;break}return e},t.prototype.copy=function(t){for(var e=0;e<ti;e++)this.chars[e].copy(t.chars[e])},t.prototype.isEmpty=function(){for(var t=!0,e=0;e<ti;e++)if(!this.chars[e].isEmpty()){t=!1;break}return t},t.prototype.setCursor=function(t){this.pos!==t&&(this.pos=t),this.pos<0?(oi.log("ERROR","Negative cursor position "+this.pos),this.pos=0):this.pos>ti&&(oi.log("ERROR","Too large cursor position "+this.pos),this.pos=ti)},t.prototype.moveCursor=function(t){var e=this.pos+t;if(t>1)for(var i=this.pos+1;i<e+1;i++)this.chars[i].setPenState(this.currPenState);this.setCursor(e)},t.prototype.backSpace=function(){this.moveCursor(-1),this.chars[this.pos].setChar(" ",this.currPenState)},t.prototype.insertChar=function(t){t>=144&&this.backSpace();var e=Je(t);if(this.pos>=ti)return void oi.log("ERROR","Cannot insert "+t.toString(16)+" ("+e+") at position "+this.pos+". Skipping it!");this.chars[this.pos].setChar(e,this.currPenState),this.moveCursor(1)},t.prototype.clearFromPos=function(t){var e;for(e=t;e<ti;e++)this.chars[e].reset()},t.prototype.clear=function(){this.clearFromPos(0),this.pos=0,this.currPenState.reset()},t.prototype.clearToEndOfRow=function(){this.clearFromPos(this.pos)},t.prototype.getTextString=function(){for(var t=[],e=!0,i=0;i<ti;i++){var n=this.chars[i].uchar;" "!==n&&(e=!1),t.push(n)}return e?"":t.join("")},t.prototype.setPenStyles=function(t){this.currPenState.setStyles(t),this.chars[this.pos].setPenState(this.currPenState)},t}(),ci=function(){function t(){dt(this,t),this.rows=[];for(var e=0;e<Qe;e++)this.rows.push(new di);this.currRow=Qe-1,this.nrRollUpRows=null,this.reset()}return t.prototype.reset=function(){for(var t=0;t<Qe;t++)this.rows[t].clear();this.currRow=Qe-1},t.prototype.equals=function(t){for(var e=!0,i=0;i<Qe;i++)if(!this.rows[i].equals(t.rows[i])){e=!1;break}return e},t.prototype.copy=function(t){for(var e=0;e<Qe;e++)this.rows[e].copy(t.rows[e])},t.prototype.isEmpty=function(){for(var t=!0,e=0;e<Qe;e++)if(!this.rows[e].isEmpty()){t=!1;break}return t},t.prototype.backSpace=function(){this.rows[this.currRow].backSpace()},t.prototype.clearToEndOfRow=function(){this.rows[this.currRow].clearToEndOfRow()},t.prototype.insertChar=function(t){this.rows[this.currRow].insertChar(t)},t.prototype.setPen=function(t){this.rows[this.currRow].setPenStyles(t)},t.prototype.moveCursor=function(t){this.rows[this.currRow].moveCursor(t)},t.prototype.setCursor=function(t){oi.log("INFO","setCursor: "+t),this.rows[this.currRow].setCursor(t)},t.prototype.setPAC=function(t){oi.log("INFO","pacData = "+JSON.stringify(t));var e=t.row-1;if(this.nrRollUpRows&&e<this.nrRollUpRows-1&&(e=this.nrRollUpRows-1),this.nrRollUpRows&&this.currRow!==e){for(var i=0;i<Qe;i++)this.rows[i].clear();var n=this.currRow+1-this.nrRollUpRows,r=this.lastOutputScreen;if(r){var a=r.rows[n].cueStartTime;if(a&&a<oi.time)for(var o=0;o<this.nrRollUpRows;o++)this.rows[e-this.nrRollUpRows+o+1].copy(r.rows[n+o])}}this.currRow=e;var s=this.rows[this.currRow];if(null!==t.indent){var l=t.indent,u=Math.max(l-1,0);s.setCursor(t.indent),t.color=s.chars[u].penState.foreground}var d={foreground:t.color,underline:t.underline,italics:t.italics,background:"black",flash:!1};this.setPen(d)},t.prototype.setBkgData=function(t){oi.log("INFO","bkgData = "+JSON.stringify(t)),this.backSpace(),this.setPen(t),this.insertChar(32)},t.prototype.setRollUpRows=function(t){this.nrRollUpRows=t},t.prototype.rollUp=function(){if(null===this.nrRollUpRows)return void oi.log("DEBUG","roll_up but nrRollUpRows not set yet");oi.log("TEXT",this.getDisplayText());var t=this.currRow+1-this.nrRollUpRows,e=this.rows.splice(t,1)[0];e.clear(),this.rows.splice(this.currRow,0,e),oi.log("INFO","Rolling up")},t.prototype.getDisplayText=function(t){t=t||!1;for(var e=[],i="",n=-1,r=0;r<Qe;r++){var a=this.rows[r].getTextString();a&&(n=r+1,t?e.push("Row "+n+": '"+a+"'"):e.push(a.trim()))}return e.length>0&&(i=t?"["+e.join(" | ")+"]":e.join("\n")),i},t.prototype.getTextAndFormat=function(){return this.rows},t}(),hi=function(){function t(e,i){dt(this,t),this.chNr=e,this.outputFilter=i,this.mode=null,this.verbose=0,this.displayedMemory=new ci,this.nonDisplayedMemory=new ci,this.lastOutputScreen=new ci,this.currRollUpRow=this.displayedMemory.rows[Qe-1],this.writeScreen=this.displayedMemory,this.mode=null,this.cueStartTime=null}return t.prototype.reset=function(){this.mode=null,this.displayedMemory.reset(),this.nonDisplayedMemory.reset(),this.lastOutputScreen.reset(),this.currRollUpRow=this.displayedMemory.rows[Qe-1],this.writeScreen=this.displayedMemory,this.mode=null,this.cueStartTime=null,this.lastCueEndTime=null},t.prototype.getHandler=function(){return this.outputFilter},t.prototype.setHandler=function(t){this.outputFilter=t},t.prototype.setPAC=function(t){this.writeScreen.setPAC(t)},t.prototype.setBkgData=function(t){this.writeScreen.setBkgData(t)},t.prototype.setMode=function(t){t!==this.mode&&(this.mode=t,oi.log("INFO","MODE="+t),"MODE_POP-ON"===this.mode?this.writeScreen=this.nonDisplayedMemory:(this.writeScreen=this.displayedMemory,this.writeScreen.reset()),"MODE_ROLL-UP"!==this.mode&&(this.displayedMemory.nrRollUpRows=null,this.nonDisplayedMemory.nrRollUpRows=null),this.mode=t)},t.prototype.insertChars=function(t){for(var e=0;e<t.length;e++)this.writeScreen.insertChar(t[e]);var i=this.writeScreen===this.displayedMemory?"DISP":"NON_DISP";oi.log("INFO",i+": "+this.writeScreen.getDisplayText(!0)),"MODE_PAINT-ON"!==this.mode&&"MODE_ROLL-UP"!==this.mode||(oi.log("TEXT","DISPLAYED: "+this.displayedMemory.getDisplayText(!0)),this.outputDataUpdate())},t.prototype.ccRCL=function(){oi.log("INFO","RCL - Resume Caption Loading"),this.setMode("MODE_POP-ON")},t.prototype.ccBS=function(){oi.log("INFO","BS - BackSpace"),"MODE_TEXT"!==this.mode&&(this.writeScreen.backSpace(),this.writeScreen===this.displayedMemory&&this.outputDataUpdate())},t.prototype.ccAOF=function(){},t.prototype.ccAON=function(){},t.prototype.ccDER=function(){oi.log("INFO","DER- Delete to End of Row"),this.writeScreen.clearToEndOfRow(),this.outputDataUpdate()},t.prototype.ccRU=function(t){oi.log("INFO","RU("+t+") - Roll Up"),this.writeScreen=this.displayedMemory,this.setMode("MODE_ROLL-UP"),this.writeScreen.setRollUpRows(t)},t.prototype.ccFON=function(){oi.log("INFO","FON - Flash On"),this.writeScreen.setPen({flash:!0})},t.prototype.ccRDC=function(){oi.log("INFO","RDC - Resume Direct Captioning"),this.setMode("MODE_PAINT-ON")},t.prototype.ccTR=function(){oi.log("INFO","TR"),this.setMode("MODE_TEXT")},t.prototype.ccRTD=function(){oi.log("INFO","RTD"),this.setMode("MODE_TEXT")},t.prototype.ccEDM=function(){oi.log("INFO","EDM - Erase Displayed Memory"),this.displayedMemory.reset(),this.outputDataUpdate()},t.prototype.ccCR=function(){oi.log("CR - Carriage Return"),this.writeScreen.rollUp(),this.outputDataUpdate()},t.prototype.ccENM=function(){oi.log("INFO","ENM - Erase Non-displayed Memory"),this.nonDisplayedMemory.reset()},t.prototype.ccEOC=function(){if(oi.log("INFO","EOC - End Of Caption"),"MODE_POP-ON"===this.mode){var t=this.displayedMemory;this.displayedMemory=this.nonDisplayedMemory,this.nonDisplayedMemory=t,this.writeScreen=this.nonDisplayedMemory,oi.log("TEXT","DISP: "+this.displayedMemory.getDisplayText())}this.outputDataUpdate()},t.prototype.ccTO=function(t){oi.log("INFO","TO("+t+") - Tab Offset"),this.writeScreen.moveCursor(t)},t.prototype.ccMIDROW=function(t){var e={flash:!1};if(e.underline=t%2==1,e.italics=t>=46,e.italics)e.foreground="white";else{var i=Math.floor(t/2)-16,n=["white","green","blue","cyan","red","yellow","magenta"];e.foreground=n[i]}oi.log("INFO","MIDROW: "+JSON.stringify(e)),this.writeScreen.setPen(e)},t.prototype.outputDataUpdate=function(){var t=oi.time;null!==t&&this.outputFilter&&(this.outputFilter.updateData&&this.outputFilter.updateData(t,this.displayedMemory),null!==this.cueStartTime||this.displayedMemory.isEmpty()?this.displayedMemory.equals(this.lastOutputScreen)||(this.outputFilter.newCue&&this.outputFilter.newCue(this.cueStartTime,t,this.lastOutputScreen),this.cueStartTime=this.displayedMemory.isEmpty()?null:t):this.cueStartTime=t,this.lastOutputScreen.copy(this.displayedMemory))},t.prototype.cueSplitAtTime=function(t){this.outputFilter&&(this.displayedMemory.isEmpty()||(this.outputFilter.newCue&&this.outputFilter.newCue(this.cueStartTime,t,this.displayedMemory),this.cueStartTime=t))},t}(),fi=function(){function t(e,i,n){dt(this,t),this.field=e||1,this.outputs=[i,n],this.channels=[new hi(1,i),new hi(2,n)],this.currChNr=-1,this.lastCmdA=null,this.lastCmdB=null,this.bufferedData=[],this.startTime=null,this.lastTime=null,this.dataCounters={padding:0,char:0,cmd:0,other:0}}return t.prototype.getHandler=function(t){return this.channels[t].getHandler()},t.prototype.setHandler=function(t,e){this.channels[t].setHandler(e)},t.prototype.addData=function(t,e){var i,n,r,a=!1;this.lastTime=t,oi.setTime(t);for(var o=0;o<e.length;o+=2)if(n=127&e[o],r=127&e[o+1],0!==n||0!==r){if(oi.log("DATA","["+si([e[o],e[o+1]])+"] -> ("+si([n,r])+")"),i=this.parseCmd(n,r),i||(i=this.parseMidrow(n,r)),i||(i=this.parsePAC(n,r)),i||(i=this.parseBackgroundAttributes(n,r)),!i&&(a=this.parseChars(n,r)))if(this.currChNr&&this.currChNr>=0){var s=this.channels[this.currChNr-1];s.insertChars(a)}else oi.log("WARNING","No channel found yet. TEXT-MODE?");i?this.dataCounters.cmd+=2:a?this.dataCounters.char+=2:(this.dataCounters.other+=2,oi.log("WARNING","Couldn't parse cleaned data "+si([n,r])+" orig: "+si([e[o],e[o+1]])))}else this.dataCounters.padding+=2},t.prototype.parseCmd=function(t,e){var i=null,n=(20===t||28===t)&&32<=e&&e<=47,r=(23===t||31===t)&&33<=e&&e<=35;if(!n&&!r)return!1;if(t===this.lastCmdA&&e===this.lastCmdB)return this.lastCmdA=null,this.lastCmdB=null,oi.log("DEBUG","Repeated command ("+si([t,e])+") is dropped"),!0;i=20===t||23===t?1:2;var a=this.channels[i-1];return 20===t||28===t?32===e?a.ccRCL():33===e?a.ccBS():34===e?a.ccAOF():35===e?a.ccAON():36===e?a.ccDER():37===e?a.ccRU(2):38===e?a.ccRU(3):39===e?a.ccRU(4):40===e?a.ccFON():41===e?a.ccRDC():42===e?a.ccTR():43===e?a.ccRTD():44===e?a.ccEDM():45===e?a.ccCR():46===e?a.ccENM():47===e&&a.ccEOC():a.ccTO(e-32),this.lastCmdA=t,this.lastCmdB=e,this.currChNr=i,!0},t.prototype.parseMidrow=function(t,e){var i=null;if((17===t||25===t)&&32<=e&&e<=47){if((i=17===t?1:2)!==this.currChNr)return oi.log("ERROR","Mismatch channel in midrow parsing"),!1;return this.channels[i-1].ccMIDROW(e),oi.log("DEBUG","MIDROW ("+si([t,e])+")"),!0}return!1},t.prototype.parsePAC=function(t,e){var i=null,n=null,r=(17<=t&&t<=23||25<=t&&t<=31)&&64<=e&&e<=127,a=(16===t||24===t)&&64<=e&&e<=95;if(!r&&!a)return!1;if(t===this.lastCmdA&&e===this.lastCmdB)return this.lastCmdA=null,this.lastCmdB=null,!0;i=t<=23?1:2,n=64<=e&&e<=95?1===i?ei[t]:ni[t]:1===i?ii[t]:ri[t];var o=this.interpretPAC(n,e);return this.channels[i-1].setPAC(o),this.lastCmdA=t,this.lastCmdB=e,this.currChNr=i,!0},t.prototype.interpretPAC=function(t,e){var i=e,n={color:null,italics:!1,indent:null,underline:!1,row:t};return i=e>95?e-96:e-64,n.underline=1==(1&i),i<=13?n.color=["white","green","blue","cyan","red","yellow","magenta","white"][Math.floor(i/2)]:i<=15?(n.italics=!0,n.color="white"):n.indent=4*Math.floor((i-16)/2),n},t.prototype.parseChars=function(t,e){var i=null,n=null,r=null;if(t>=25?(i=2,r=t-8):(i=1,r=t),17<=r&&r<=19){var a=e;a=17===r?e+80:18===r?e+112:e+144,oi.log("INFO","Special char '"+Je(a)+"' in channel "+i),n=[a]}else 32<=t&&t<=127&&(n=0===e?[t]:[t,e]);if(n){var o=si(n);oi.log("DEBUG","Char codes = "+o.join(",")),this.lastCmdA=null,this.lastCmdB=null}return n},t.prototype.parseBackgroundAttributes=function(t,e){var i,n,r,a,o=(16===t||24===t)&&32<=e&&e<=47,s=(23===t||31===t)&&45<=e&&e<=47;return!(!o&&!s)&&(i={},16===t||24===t?(n=Math.floor((e-32)/2),i.background=ai[n],e%2==1&&(i.background=i.background+"_semi")):45===e?i.background="transparent":(i.foreground="black",47===e&&(i.underline=!0)),r=t<24?1:2,a=this.channels[r-1],a.setBkgData(i),this.lastCmdA=null,this.lastCmdB=null,!0)},t.prototype.reset=function(){for(var t=0;t<this.channels.length;t++)this.channels[t]&&this.channels[t].reset();this.lastCmdA=null,this.lastCmdB=null},t.prototype.cueSplitAtTime=function(t){for(var e=0;e<this.channels.length;e++)this.channels[e]&&this.channels[e].cueSplitAtTime(t)},t}(),pi=fi,gi=function(t,e,i){return t.substr(i||0,e.length)===e},yi=function(t){var e=parseInt(t.substr(-3)),i=parseInt(t.substr(-6,2)),n=parseInt(t.substr(-9,2)),r=t.length>9?parseInt(t.substr(0,t.indexOf(":"))):0;return isNaN(e)||isNaN(i)||isNaN(n)||isNaN(r)?-1:(e+=1e3*i,e+=6e4*n,e+=36e5*r)},mi=function(t){for(var e=5381,i=t.length;i;)e=33*e^t.charCodeAt(--i);return(e>>>0).toString()},vi=function(t,e,i){var n=t[e],r=t[n.prevCC];if(!r||!r.new&&n.new)return t.ccOffset=t.presentationOffset=n.start,void(n.new=!1);for(;r&&r.new;)t.ccOffset+=n.start-r.start,n.new=!1,n=r,r=t[n.prevCC];t.presentationOffset=i},bi={parse:function(t,e,i,n,r,a){var o=/\r\n|\n\r|\n|\r/g,s=new Uint8Array(t).reduce(function(t,e){return t+String.fromCharCode(e)},"").trim().replace(o,"\n").split("\n"),l="00:00.000",u=0,d=0,c=0,h=[],f=void 0,p=!0,g=new Xe;g.oncue=function(t){var e=i[n],r=i.ccOffset;e&&e.new&&(void 0!==d?r=i.ccOffset=e.start:vi(i,n,c)),c&&(r=c+i.ccOffset-i.presentationOffset),t.startTime+=r-d,t.endTime+=r-d,t.id=mi(t.startTime)+mi(t.endTime)+mi(t.text),t.text=decodeURIComponent(escape(t.text)),t.endTime>0&&h.push(t)},g.onparsingerror=function(t){f=t},g.onflush=function(){if(f&&a)return void a(f);r(h)},s.forEach(function(t){if(p){if(gi(t,"X-TIMESTAMP-MAP=")){p=!1,t.substr(16).split(",").forEach(function(t){gi(t,"LOCAL:")?l=t.substr(6):gi(t,"MPEGTS:")&&(u=parseInt(t.substr(7)))});try{e=e<0?e+8589934592:e,u-=e,d=yi(l)/1e3,c=u/9e4,-1===d&&(f=new Error("Malformed X-TIMESTAMP-MAP: "+t))}catch(e){f=new Error("Malformed X-TIMESTAMP-MAP: "+t)}return}""===t&&(p=!1)}g.parse(t+"\n")}),g.flush()}},_i=bi,Ei=function(t){function e(i){ct(this,e);var n=ht(this,t.call(this,i,wt.a.MEDIA_ATTACHING,wt.a.MEDIA_DETACHING,wt.a.FRAG_PARSING_USERDATA,wt.a.FRAG_DECRYPTED,wt.a.MANIFEST_LOADING,wt.a.MANIFEST_LOADED,wt.a.FRAG_LOADED,wt.a.LEVEL_SWITCHING,wt.a.INIT_PTS_FOUND));if(n.hls=i,n.config=i.config,n.enabled=!0,n.Cues=i.config.cueHandler,n.textTracks=[],n.tracks=[],n.unparsedVttFrags=[],n.initPTS=void 0,n.cueRanges=[],n.config.enableCEA708Captions){var r=n,a=function(t,e){var i=null;try{i=new window.Event("addtrack")}catch(t){i=document.createEvent("Event"),i.initEvent("addtrack",!1,!1)}i.track=t,e.dispatchEvent(i)},o={newCue:function(t,e,i){if(!r.textTrack1){var n=r.getExistingTrack("1");if(n)r.textTrack1=n,pt(r.textTrack1),a(r.textTrack1,r.media);else{var o=r.createTextTrack("captions",r.config.captionsTextTrack1Label,r.config.captionsTextTrack1LanguageCode);o&&(o.textTrack1=!0,r.textTrack1=o)}}r.addCues("textTrack1",t,e,i)}},s={newCue:function(t,e,i){if(!r.textTrack2){var n=r.getExistingTrack("2");if(n)r.textTrack2=n,pt(r.textTrack2),a(r.textTrack2,r.media);else{var o=r.createTextTrack("captions",r.config.captionsTextTrack2Label,r.config.captionsTextTrack1LanguageCode);o&&(o.textTrack2=!0,r.textTrack2=o)}}r.addCues("textTrack2",t,e,i)}};n.cea608Parser=new pi(0,o,s)}return n}return ft(e,t),e.prototype.addCues=function(t,e,i,n){for(var r=this.cueRanges,a=!1,o=r.length;o--;){var s=r[o],l=yt(s[0],s[1],e,i);if(l>=0&&(s[0]=Math.min(s[0],e),s[1]=Math.max(s[1],i),a=!0,l/(i-e)>.5))return}a||r.push([e,i]),this.Cues.newCue(this[t],e,i,n)},e.prototype.onInitPtsFound=function(t){var e=this;void 0===this.initPTS&&(this.initPTS=t.initPTS),this.unparsedVttFrags.length&&(this.unparsedVttFrags.forEach(function(t){e.onFragLoaded(t)}),this.unparsedVttFrags=[])},e.prototype.getExistingTrack=function(t){var e=this.media;if(e)for(var i=0;i<e.textTracks.length;i++){var n=e.textTracks[i],r="textTrack"+t;if(!0===n[r])return n}return null},e.prototype.createTextTrack=function(t,e,i){var n=this.media;if(n)return n.addTextTrack(t,e,i)},e.prototype.destroy=function(){Pt.prototype.destroy.call(this)},e.prototype.onMediaAttaching=function(t){this.media=t.media},e.prototype.onMediaDetaching=function(){pt(this.textTrack1),pt(this.textTrack2)},e.prototype.onManifestLoading=function(){this.lastSn=-1,this.prevCC=-1,this.vttCCs={ccOffset:0,presentationOffset:0};var t=this.media;if(t){var e=t.textTracks;if(e)for(var i=0;i<e.length;i++)pt(e[i])}},e.prototype.onManifestLoaded=function(t){var e=this;if(this.textTracks=[],this.unparsedVttFrags=this.unparsedVttFrags||[],this.initPTS=void 0,this.cueRanges=[],this.config.enableWebVTT){this.tracks=t.subtitles||[];var i=this.media?this.media.textTracks:[];this.tracks.forEach(function(t,n){var r=void 0;if(n<i.length){var a=i[n];gt(a,t)&&(r=a)}r||(r=e.createTextTrack("subtitles",t.name,t.lang)),r.mode=t.default?"showing":"hidden",e.textTracks.push(r)})}},e.prototype.onLevelSwitching=function(){this.enabled="NONE"!==this.hls.currentLevel.closedCaptions},e.prototype.onFragLoaded=function(t){var e=t.frag,i=t.payload;if("main"===e.type){var n=e.sn;if(n!==this.lastSn+1){var r=this.cea608Parser;r&&r.reset()}this.lastSn=n}else if("subtitle"===e.type)if(i.byteLength){if(void 0===this.initPTS)return void this.unparsedVttFrags.push(t);var a=e.decryptdata;null!=a&&null!=a.key&&"AES-128"===a.method||this._parseVTTs(e,i)}else this.hls.trigger(wt.a.SUBTITLE_FRAG_PROCESSED,{success:!1,frag:e})},e.prototype._parseVTTs=function(t,e){var i=this.vttCCs;i[t.cc]||(i[t.cc]={start:t.start,prevCC:this.prevCC,new:!0},this.prevCC=t.cc);var n=this.textTracks,r=this.hls;_i.parse(e,this.initPTS,i,t.cc,function(e){var i=n[t.trackId];e.forEach(function(t){if(!i.cues.getCueById(t.id))try{i.addCue(t)}catch(n){var e=new window.TextTrackCue(t.startTime,t.endTime,t.text);e.id=t.id,i.addCue(e)}}),r.trigger(wt.a.SUBTITLE_FRAG_PROCESSED,{success:!0,frag:t})},function(e){It.b.log("Failed to parse VTT cue: "+e),r.trigger(wt.a.SUBTITLE_FRAG_PROCESSED,{success:!1,frag:t})})},e.prototype.onFragDecrypted=function(t){var e=t.payload,i=t.frag;if("subtitle"===i.type){if(void 0===this.initPTS)return void this.unparsedVttFrags.push(t);this._parseVTTs(i,e)}},e.prototype.onFragParsingUserdata=function(t){if(this.enabled&&this.config.enableCEA708Captions)for(var e=0;e<t.samples.length;e++){var i=this.extractCea608Data(t.samples[e].bytes);this.cea608Parser.addData(t.samples[e].pts,i)}},e.prototype.extractCea608Data=function(t){for(var e,i,n,r,a,o=31&t[0],s=2,l=[],u=0;u<o;u++)e=t[s++],i=127&t[s++],n=127&t[s++],r=0!=(4&e),a=3&e,0===i&&0===n||r&&0===a&&(l.push(i),l.push(n));return l},e}(Pt),Ti=Ei,Ai=function(){function t(t,e){for(var i=0;i<e.length;i++){var n=e[i];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(t,n.key,n)}}return function(e,i,n){return i&&t(e.prototype,i),n&&t(e,n),e}}(),Si=function(t){function e(i){mt(this,e);var n=vt(this,t.call(this,i,wt.a.MEDIA_ATTACHED,wt.a.MEDIA_DETACHING,wt.a.MANIFEST_LOADING,wt.a.MANIFEST_LOADED,wt.a.SUBTITLE_TRACK_LOADED));return n.tracks=[],n.trackId=-1,n.media=void 0,n.subtitleDisplay=!1,n}return bt(e,t),e.prototype._onTextTracksChanged=function(){if(this.media){for(var t=-1,e=_t(this.media.textTracks),i=0;i<e.length;i++)"showing"===e[i].mode&&(t=i);this.subtitleTrack=t}},e.prototype.destroy=function(){Pt.prototype.destroy.call(this)},e.prototype.onMediaAttached=function(t){var e=this;this.media=t.media,this.media&&(this.trackChangeListener=this._onTextTracksChanged.bind(this),this.useTextTrackPolling=!(this.media.textTracks&&"onchange"in this.media.textTracks),this.useTextTrackPolling?this.subtitlePollingInterval=setInterval(function(){e.trackChangeListener()},500):this.media.textTracks.addEventListener("change",this.trackChangeListener))},e.prototype.onMediaDetaching=function(){this.media&&(this.useTextTrackPolling?clearInterval(this.subtitlePollingInterval):this.media.textTracks.removeEventListener("change",this.trackChangeListener),this.media=void 0)},e.prototype.onManifestLoading=function(){this.tracks=[],this.trackId=-1},e.prototype.onManifestLoaded=function(t){var e=this,i=t.subtitles||[],n=!1;this.tracks=i,this.trackId=-1,this.hls.trigger(wt.a.SUBTITLE_TRACKS_UPDATED,{subtitleTracks:i}),i.forEach(function(t){t.default&&(e.subtitleTrack=t.id,n=!0)})},e.prototype.onTick=function(){var t=this.trackId,e=this.tracks[t];if(e){var i=e.details;void 0!==i&&!0!==i.live||(It.b.log("(re)loading playlist for subtitle track "+t),this.hls.trigger(wt.a.SUBTITLE_TRACK_LOADING,{url:e.url,id:t}))}},e.prototype.onSubtitleTrackLoaded=function(t){var e=this;t.id<this.tracks.length&&(It.b.log("subtitle track "+t.id+" loaded"),this.tracks[t.id].details=t.details,t.details.live&&!this.timer&&(this.timer=setInterval(function(){e.onTick()},1e3*t.details.targetduration,this)),!t.details.live&&this.timer&&(clearInterval(this.timer),this.timer=null))},e.prototype.setSubtitleTrackInternal=function(t){if(!(t<-1||t>=this.tracks.length)){this.timer&&(clearInterval(this.timer),this.timer=null);var e=_t(this.media.textTracks);if(-1!==this.trackId&&this.subtitleDisplay&&(e[this.trackId].mode="hidden"),this.trackId=t,It.b.log("switching to subtitle track "+t),this.hls.trigger(wt.a.SUBTITLE_TRACK_SWITCH,{id:t}),-1!==t){var i=this.tracks[t];this.subtitleDisplay&&(e[t].mode="showing");var n=i.details;void 0!==n&&!0!==n.live||(It.b.log("(re)loading playlist for subtitle track "+t),this.hls.trigger(wt.a.SUBTITLE_TRACK_LOADING,{url:i.url,id:t}))}}},Ai(e,[{key:"subtitleTracks",get:function(){return this.tracks}},{key:"subtitleTrack",get:function(){return this.trackId},set:function(t){this.trackId!==t&&this.setSubtitleTrackInternal(t)}}]),e}(Pt),Li=Si,Ri=i(3),ki={STOPPED:"STOPPED",IDLE:"IDLE",KEY_LOADING:"KEY_LOADING",FRAG_LOADING:"FRAG_LOADING"},wi=function(t){function e(i){Et(this,e);var n=Tt(this,t.call(this,i,wt.a.MEDIA_ATTACHED,wt.a.ERROR,wt.a.KEY_LOADED,wt.a.FRAG_LOADED,wt.a.SUBTITLE_TRACKS_UPDATED,wt.a.SUBTITLE_TRACK_SWITCH,wt.a.SUBTITLE_TRACK_LOADED,wt.a.SUBTITLE_FRAG_PROCESSED));return n.config=i.config,n.vttFragSNsProcessed={},n.vttFragQueues=void 0,n.currentlyProcessing=null,n.state=ki.STOPPED,n.currentTrackId=-1,n.ticks=0,n.decrypter=new Ri.a(i.observer,i.config),n}return At(e,t),e.prototype.destroy=function(){Pt.prototype.destroy.call(this),this.state=ki.STOPPED},e.prototype.clearVttFragQueues=function(){var t=this;this.vttFragQueues={},this.tracks.forEach(function(e){t.vttFragQueues[e.id]=[]})},e.prototype.nextFrag=function(){if(null===this.currentlyProcessing&&this.currentTrackId>-1&&this.vttFragQueues[this.currentTrackId].length){var t=this.currentlyProcessing=this.vttFragQueues[this.currentTrackId].shift();this.fragCurrent=t,this.hls.trigger(wt.a.FRAG_LOADING,{frag:t}),this.state=ki.FRAG_LOADING}},e.prototype.onSubtitleFragProcessed=function(t){t.success&&this.vttFragSNsProcessed[t.frag.trackId].push(t.frag.sn),this.currentlyProcessing=null,this.state=ki.IDLE,this.nextFrag()},e.prototype.onMediaAttached=function(){this.state=ki.IDLE},e.prototype.onError=function(t){var e=t.frag;e&&"subtitle"!==e.type||this.currentlyProcessing&&(this.currentlyProcessing=null,this.nextFrag())},e.prototype.tick=function(){var t=this;1===++this.ticks&&(this.doTick(),this.ticks>1&&setTimeout(function(){t.tick()},1),this.ticks=0)},e.prototype.doTick=function(){var t=this;switch(this.state){case ki.IDLE:var e=this.tracks,i=this.currentTrackId,n=this.vttFragSNsProcessed[i],r=this.vttFragQueues[i],a=this.currentlyProcessing?this.currentlyProcessing.sn:-1,o=function(t){return n.indexOf(t.sn)>-1},s=function(t){return r.some(function(e){return e.sn===t.sn})};if(!e)break;var l;if(i<e.length&&(l=e[i].details),void 0===l)break;l.fragments.forEach(function(e){o(e)||e.sn===a||s(e)||(e.decryptdata&&null!=e.decryptdata.uri&&null==e.decryptdata.key?(It.b.log("Loading key for "+e.sn),t.state=ki.KEY_LOADING,t.hls.trigger(wt.a.KEY_LOADING,{frag:e})):(e.trackId=i,r.push(e),t.nextFrag()))})}},e.prototype.onSubtitleTracksUpdated=function(t){var e=this;It.b.log("subtitle tracks updated"),this.tracks=t.subtitleTracks,this.clearVttFragQueues(),this.vttFragSNsProcessed={},this.tracks.forEach(function(t){e.vttFragSNsProcessed[t.id]=[]})},e.prototype.onSubtitleTrackSwitch=function(t){this.currentTrackId=t.id,this.clearVttFragQueues()},e.prototype.onSubtitleTrackLoaded=function(){this.tick()},e.prototype.onKeyLoaded=function(){this.state===ki.KEY_LOADING&&(this.state=ki.IDLE,this.tick())},e.prototype.onFragLoaded=function(t){var e=this.fragCurrent,i=t.frag.decryptdata,n=t.frag,r=this.hls;if(this.state===ki.FRAG_LOADING&&e&&"subtitle"===t.frag.type&&e.sn===t.frag.sn&&t.payload.byteLength>0&&null!=i&&null!=i.key&&"AES-128"===i.method){var a;try{a=performance.now()}catch(t){a=Date.now()}this.decrypter.decrypt(t.payload,i.key.buffer,i.iv.buffer,function(t){var e;try{e=performance.now()}catch(t){e=Date.now()}r.trigger(wt.a.FRAG_DECRYPTED,{frag:n,payload:t,stats:{tstart:a,tdecrypt:e}})})}},e}(Pt),Ci=wi,Ii={autoStartLoad:!0,startPosition:-1,defaultAudioCodec:void 0,debug:!1,capLevelOnFPSDrop:!1,capLevelToPlayerSize:!1,initialLiveManifestSize:1,maxBufferLength:30,maxBufferSize:6e7,maxBufferHole:.5,maxSeekHole:2,lowBufferWatchdogPeriod:.5,highBufferWatchdogPeriod:3,nudgeOffset:.1,nudgeMaxRetry:3,maxFragLookUpTolerance:.25,liveSyncDurationCount:3,liveMaxLatencyDurationCount:1/0,liveSyncDuration:void 0,liveMaxLatencyDuration:void 0,maxMaxBufferLength:600,enableWorker:!0,enableSoftwareAES:!0,manifestLoadingTimeOut:1e4,manifestLoadingMaxRetry:1,manifestLoadingRetryDelay:1e3,manifestLoadingMaxRetryTimeout:64e3,startLevel:void 0,levelLoadingTimeOut:1e4,levelLoadingMaxRetry:4,levelLoadingRetryDelay:1e3,levelLoadingMaxRetryTimeout:64e3,fragLoadingTimeOut:2e4,fragLoadingMaxRetry:6,fragLoadingRetryDelay:1e3,fragLoadingMaxRetryTimeout:64e3,fragLoadingLoopThreshold:3,startFragPrefetch:!1,fpsDroppedMonitoringPeriod:5e3,fpsDroppedMonitoringThreshold:.2,appendErrorMaxRetry:3,loader:Be,fLoader:void 0,pLoader:void 0,xhrSetup:void 0,fetchSetup:void 0,abrController:we,bufferController:De,capLevelController:xe,fpsController:Me,stretchShortVideoTrack:!1,maxAudioFramesDrift:1,forceKeyFrameOnDiscontinuity:!0,abrEwmaFastLive:3,abrEwmaSlowLive:9,abrEwmaFastVoD:3,abrEwmaSlowVoD:9,abrEwmaDefaultEstimate:5e5,abrBandWidthFactor:.95,abrBandWidthUpFactor:.7,abrMaxWithRealBitrate:!1,maxStarvationDelay:4,maxLoadingDelay:4,minAutoBitrate:0};Ii.subtitleStreamController=Ci,Ii.subtitleTrackController=Li,Ii.timelineController=Ti,Ii.cueHandler=Lt,Ii.enableCEA708Captions=!0,Ii.enableWebVTT=!0,Ii.captionsTextTrack1Label="English",Ii.captionsTextTrack1LanguageCode="en",Ii.captionsTextTrack2Label="Spanish",Ii.captionsTextTrack2LanguageCode="es",Ii.audioStreamController=He,Ii.audioTrackController=Ke;var Di=function(){function t(t,e){for(var i=0;i<e.length;i++){var n=e[i];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(t,n.key,n)}}return function(e,i,n){return i&&t(e.prototype,i),n&&t(e,n),e}}(),Oi=function(){function t(){var e=this,i=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};St(this,t);var n=t.DefaultConfig;if((i.liveSyncDurationCount||i.liveMaxLatencyDurationCount)&&(i.liveSyncDuration||i.liveMaxLatencyDuration))throw new Error("Illegal hls.js config: don't mix up liveSyncDurationCount/liveMaxLatencyDurationCount and liveSyncDuration/liveMaxLatencyDuration");for(var r in n)r in i||(i[r]=n[r]);if(void 0!==i.liveMaxLatencyDurationCount&&i.liveMaxLatencyDurationCount<=i.liveSyncDurationCount)throw new Error('Illegal hls.js config: "liveMaxLatencyDurationCount" must be gt "liveSyncDurationCount"');if(void 0!==i.liveMaxLatencyDuration&&(i.liveMaxLatencyDuration<=i.liveSyncDuration||void 0===i.liveSyncDuration))throw new Error('Illegal hls.js config: "liveMaxLatencyDuration" must be gt "liveSyncDuration"');Object(It.a)(i.debug),this.config=i,this._autoLevelCapping=-1;var a=this.observer=new re.a;a.trigger=function(t){for(var e=arguments.length,i=Array(e>1?e-1:0),n=1;n<e;n++)i[n-1]=arguments[n];a.emit.apply(a,[t,t].concat(i))},a.off=function(t){for(var e=arguments.length,i=Array(e>1?e-1:0),n=1;n<e;n++)i[n-1]=arguments[n];a.removeListener.apply(a,[t].concat(i))},this.on=a.on.bind(a),this.off=a.off.bind(a),this.trigger=a.trigger.bind(a);var o=this.abrController=new i.abrController(this),s=new i.bufferController(this),l=new i.capLevelController(this),u=new i.fpsController(this),d=new zt(this),c=new qt(this),h=new Zt(this),f=new Ee(this),p=this.levelController=new ve(this),g=this.streamController=new ge(this),y=[p,g],m=i.audioStreamController;m&&y.push(new m(this)),this.networkControllers=y;var v=[d,c,h,o,s,l,u,f];if(m=i.audioTrackController){var b=new m(this);this.audioTrackController=b,v.push(b)}if(m=i.subtitleTrackController){var _=new m(this);this.subtitleTrackController=_,v.push(_)}[i.subtitleStreamController,i.timelineController].forEach(function(t){t&&v.push(new t(e))}),this.coreComponents=v}return t.isSupported=function(){var t=y(),e=window.SourceBuffer||window.WebKitSourceBuffer,i=t&&"function"==typeof t.isTypeSupported&&t.isTypeSupported('video/mp4; codecs="avc1.42E01E,mp4a.40.2"'),n=!e||e.prototype&&"function"==typeof e.prototype.appendBuffer&&"function"==typeof e.prototype.remove;return i&&n},Di(t,null,[{key:"version",get:function(){return"0.8.5"}},{key:"Events",get:function(){return wt.a}},{key:"ErrorTypes",get:function(){return Ct.b}},{key:"ErrorDetails",get:function(){return Ct.a}},{key:"DefaultConfig",get:function(){return t.defaultConfig?t.defaultConfig:Ii},set:function(e){t.defaultConfig=e}}]),t.prototype.destroy=function(){It.b.log("destroy"),this.trigger(wt.a.DESTROYING),this.detachMedia(),this.coreComponents.concat(this.networkControllers).forEach(function(t){t.destroy()}),this.url=null,this.observer.removeAllListeners(),this._autoLevelCapping=-1},t.prototype.attachMedia=function(t){It.b.log("attachMedia"),this.media=t,this.trigger(wt.a.MEDIA_ATTACHING,{media:t})},t.prototype.detachMedia=function(){It.b.log("detachMedia"),this.trigger(wt.a.MEDIA_DETACHING),this.media=null},t.prototype.loadSource=function(t){t=kt.a.buildAbsoluteURL(window.location.href,t,{alwaysNormalize:!0}),It.b.log("loadSource:"+t),this.url=t,this.trigger(wt.a.MANIFEST_LOADING,{url:t})},t.prototype.startLoad=function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:-1;It.b.log("startLoad("+t+")"),this.networkControllers.forEach(function(e){e.startLoad(t)})},t.prototype.stopLoad=function(){It.b.log("stopLoad"),this.networkControllers.forEach(function(t){t.stopLoad()})},t.prototype.swapAudioCodec=function(){It.b.log("swapAudioCodec"),this.streamController.swapAudioCodec()},t.prototype.recoverMediaError=function(){It.b.log("recoverMediaError");var t=this.media;this.detachMedia(),this.attachMedia(t)},Di(t,[{key:"levels",get:function(){return this.levelController.levels}},{key:"currentLevel",get:function(){return this.streamController.currentLevel},set:function(t){It.b.log("set currentLevel:"+t),this.loadLevel=t,this.streamController.immediateLevelSwitch()}},{key:"nextLevel",get:function(){return this.streamController.nextLevel},set:function(t){It.b.log("set nextLevel:"+t),this.levelController.manualLevel=t,this.streamController.nextLevelSwitch()}},{key:"loadLevel",get:function(){return this.levelController.level},set:function(t){It.b.log("set loadLevel:"+t),this.levelController.manualLevel=t}},{key:"nextLoadLevel",get:function(){return this.levelController.nextLoadLevel},set:function(t){this.levelController.nextLoadLevel=t}},{key:"firstLevel",get:function(){return Math.max(this.levelController.firstLevel,this.minAutoLevel)},set:function(t){It.b.log("set firstLevel:"+t),this.levelController.firstLevel=t}},{key:"startLevel",get:function(){return this.levelController.startLevel},set:function(t){It.b.log("set startLevel:"+t);var e=this;-1!==t&&(t=Math.max(t,e.minAutoLevel)),e.levelController.startLevel=t}},{key:"autoLevelCapping",get:function(){return this._autoLevelCapping},set:function(t){It.b.log("set autoLevelCapping:"+t),this._autoLevelCapping=t}},{key:"autoLevelEnabled",get:function(){return-1===this.levelController.manualLevel}},{key:"manualLevel",get:function(){return this.levelController.manualLevel}},{key:"minAutoLevel",get:function(){for(var 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0===this.options.poster.showOnVideoEnd}}]),e.prototype.bindEvents=function(){this.listenTo(this.container,y.default.CONTAINER_STOP,this.onStop),this.listenTo(this.container,y.default.CONTAINER_PLAY,this.onPlay),this.listenTo(this.container,y.default.CONTAINER_STATE_BUFFERING,this.update),this.listenTo(this.container,y.default.CONTAINER_STATE_BUFFERFULL,this.update),this.listenTo(this.container,y.default.CONTAINER_OPTIONS_CHANGE,this.render),this.showOnVideoEnd&&this.listenTo(this.container,y.default.CONTAINER_ENDED,this.onStop)},e.prototype.stopListening=function(){t.prototype.stopListening.call(this)},e.prototype.onPlay=function(){this.hasStartedPlaying=!0,this.update()},e.prototype.onStop=function(){this.hasStartedPlaying=!1,this.playRequested=!1,this.update()},e.prototype.showPlayButton=function(t){!t||this.options.chromeless&&!this.options.allowUserInteraction?(this.$playButton.hide(),this.$el.removeClass("clickable")):(this.$playButton.show(),this.$el.addClass("clickable"))},e.prototype.clicked=function(){return this.options.chromeless&&!this.options.allowUserInteraction||(this.playRequested=!0,this.update(),this.container.play()),!1},e.prototype.shouldHideOnPlay=function(){return!this.container.playback.isAudioOnly},e.prototype.update=function(){if(this.shouldRender){var t=!this.playRequested&&!this.hasStartedPlaying&&!this.container.buffering;this.showPlayButton(t),this.hasStartedPlaying?(this.container.enableMediaControl(),this.shouldHideOnPlay()&&this.$el.hide()):(this.container.disableMediaControl(),this.$el.show())}},e.prototype.render=function(){if(this.shouldRender){var t=v.default.getStyleFor(S.default,{baseUrl:this.options.baseUrl});this.$el.html(this.template()),this.$el.append(t);if(this.options.poster&&void 0==this.options.poster.custom){var e=this.options.poster.url||this.options.poster;this.$el.css({"background-image":"url("+e+")"})}else this.options.poster&&this.$el.css({background:this.options.poster.custom});this.container.$el.append(this.el),this.$playWrapper=this.$el.find(".play-wrapper"),this.$playWrapper.append(w.default),this.$playButton=this.$playWrapper.find("svg"),this.$playButton.addClass("poster-icon"),this.$playButton.attr("data-poster","");var i=this.options.mediacontrol&&this.options.mediacontrol.buttons;return i&&this.$el.find("svg path").css("fill",i),this.options.mediacontrol&&this.options.mediacontrol.buttons&&(i=this.options.mediacontrol.buttons,this.$playButton.css("color",i)),this.update(),this}},e}(p.default);e.default=C,t.exports=e.default}).call(e,i(57))},function(t,e,i){e=t.exports=i(10)(void 0),e.push([t.i,".player-poster[data-poster]{display:-webkit-box;display:-moz-box;display:box;display:-webkit-flex;display:-moz-flex;display:-ms-flexbox;display:flex;-webkit-box-pack:center;-moz-box-pack:center;box-pack:center;-webkit-justify-content:center;-moz-justify-content:center;-ms-justify-content:center;-o-justify-content:center;justify-content:center;-ms-flex-pack:center;-webkit-box-align:center;-moz-box-align:center;box-align:center;-webkit-align-items:center;-moz-align-items:center;-ms-align-items:center;-o-align-items:center;align-items:center;-ms-flex-align:center;position:absolute;height:100%;width:100%;z-index:998;top:0;left:0;background-color:#000;background-size:cover;background-repeat:no-repeat;background-position:50% 50%}.player-poster[data-poster].clickable{cursor:pointer}.player-poster[data-poster]:hover .play-wrapper[data-poster]{opacity:1}.player-poster[data-poster] .play-wrapper[data-poster]{width:100%;height:25%;margin:0 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n.container.options.gaAccount&&(n.account=n.container.options.gaAccount,n.trackerName=n.container.options.gaTrackerName?n.container.options.gaTrackerName+".":"Clappr.",n.domainName=n.container.options.gaDomainName,n.currentHDState=void 0,n.embedScript()),n}return(0,c.default)(e,t),(0,u.default)(e,[{key:"name",get:function(){return"google_analytics"}}]),e.prototype.embedScript=function(){var t=this;if(window._gat)this.addEventListeners();else{var e=document.createElement("script");e.setAttribute("type","text/javascript"),e.setAttribute("async","async"),e.setAttribute("src","//www.google-analytics.com/ga.js"),e.onload=function(){return t.addEventListeners()},document.body.appendChild(e)}},e.prototype.addEventListeners=function(){var t=this;this.container&&(this.listenTo(this.container,g.default.CONTAINER_READY,this.onReady),this.listenTo(this.container,g.default.CONTAINER_PLAY,this.onPlay),this.listenTo(this.container,g.default.CONTAINER_STOP,this.onStop),this.listenTo(this.container,g.default.CONTAINER_PAUSE,this.onPause),this.listenTo(this.container,g.default.CONTAINER_ENDED,this.onEnded),this.listenTo(this.container,g.default.CONTAINER_STATE_BUFFERING,this.onBuffering),this.listenTo(this.container,g.default.CONTAINER_STATE_BUFFERFULL,this.onBufferFull),this.listenTo(this.container,g.default.CONTAINER_ERROR,this.onError),this.listenTo(this.container,g.default.CONTAINER_PLAYBACKSTATE,this.onPlaybackChanged),this.listenTo(this.container,g.default.CONTAINER_VOLUME,function(e){return t.onVolumeChanged(e)}),this.listenTo(this.container,g.default.CONTAINER_SEEK,function(e){return t.onSeek(e)}),this.listenTo(this.container,g.default.CONTAINER_FULL_SCREEN,this.onFullscreen),this.listenTo(this.container,g.default.CONTAINER_HIGHDEFINITIONUPDATE,this.onHD),this.listenTo(this.container,g.default.CONTAINER_PLAYBACKDVRSTATECHANGED,this.onDVR)),_gaq.push([this.trackerName+"_setAccount",this.account]),this.domainName&&_gaq.push([this.trackerName+"_setDomainName",this.domainName])},e.prototype.onReady=function(){this.push(["Video","Playback",this.container.playback.name])},e.prototype.onPlay=function(){this.push(["Video","Play",this.container.playback.src])},e.prototype.onStop=function(){this.push(["Video","Stop",this.container.playback.src])},e.prototype.onEnded=function(){this.push(["Video","Ended",this.container.playback.src])},e.prototype.onBuffering=function(){this.push(["Video","Buffering",this.container.playback.src])},e.prototype.onBufferFull=function(){this.push(["Video","Bufferfull",this.container.playback.src])},e.prototype.onError=function(){this.push(["Video","Error",this.container.playback.src])},e.prototype.onHD=function(t){var e=t?"ON":"OFF";e!==this.currentHDState&&(this.currentHDState=e,this.push(["Video","HD - "+e,this.container.playback.src]))},e.prototype.onPlaybackChanged=function(t){null!==t.type&&this.push(["Video","Playback Type - "+t.type,this.container.playback.src])},e.prototype.onDVR=function(t){var e=t?"ON":"OFF";this.push(["Interaction","DVR - "+e,this.container.playback.src])},e.prototype.onPause=function(){this.push(["Video","Pause",this.container.playback.src])},e.prototype.onSeek=function(){this.push(["Video","Seek",this.container.playback.src])},e.prototype.onVolumeChanged=function(){this.push(["Interaction","Volume",this.container.playback.src])},e.prototype.onFullscreen=function(){this.push(["Interaction","Fullscreen",this.container.playback.src])},e.prototype.push=function(t){var e=[this.trackerName+"_trackEvent"].concat(t);_gaq.push(e)},e}(f.default);e.default=y,t.exports=e.default},function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var n=i(195),r=function(t){return t&&t.__esModule?t:{default:t}}(n);e.default=r.default,t.exports=e.default},function(t,e,i){"use strict";function n(t){return t&&t.__esModule?t:{default:t}}Object.defineProperty(e,"__esModule",{value:!0});var r=i(0),a=n(r),o=i(1),s=n(o),l=i(3),u=n(l),d=i(2),c=n(d),h=i(37),f=n(h),p=i(4),g=n(p),y=i(9),m=n(y),v=function(t){function e(i){return(0,a.default)(this,e),(0,s.default)(this,t.call(this,i))}return(0,c.default)(e,t),(0,u.default)(e,[{key:"name",get:function(){return"click_to_pause"}}]),e.prototype.bindEvents=function(){this.listenTo(this.container,g.default.CONTAINER_CLICK,this.click),this.listenTo(this.container,g.default.CONTAINER_SETTINGSUPDATE,this.settingsUpdate)},e.prototype.click=function(){(this.container.getPlaybackType()!==m.default.LIVE||this.container.isDvrEnabled())&&(this.container.isPlaying()?this.container.pause():this.container.play())},e.prototype.settingsUpdate=function(){var t=this.container.getPlaybackType()!==m.default.LIVE||this.container.isDvrEnabled();if(t!==this.pointerEnabled){var e=t?"addClass":"removeClass";this.container.$el[e]("pointer-enabled"),this.pointerEnabled=t}},e}(f.default);e.default=v,t.exports=e.default},function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var n=i(197),r=function(t){return t&&t.__esModule?t:{default:t}}(n);e.default=r.default,t.exports=e.default},function(t,e,i){"use strict";function n(t){return t&&t.__esModule?t:{default:t}}Object.defineProperty(e,"__esModule",{value:!0});var r=i(0),a=n(r),o=i(1),s=n(o),l=i(3),u=n(l),d=i(2),c=n(d),h=i(38),f=n(h),p=i(8),g=n(p),y=i(9),m=n(y),v=i(7),b=n(v),_=i(4),E=n(_),T=i(198),A=n(T),S=i(199),L=n(S),R=function(t){function e(i){(0,a.default)(this,e);var n=(0,s.default)(this,t.call(this,i));return n.settingsUpdate(),n}return(0,c.default)(e,t),(0,u.default)(e,[{key:"template",get:function(){return(0,g.default)(L.default)}},{key:"name",get:function(){return"dvr_controls"}},{key:"events",get:function(){return{"click .live-button":"click"}}},{key:"attributes",get:function(){return{class:"dvr-controls","data-dvr-controls":""}}}]),e.prototype.bindEvents=function(){this.listenTo(this.core.mediaControl,E.default.MEDIACONTROL_CONTAINERCHANGED,this.containerChanged),this.listenTo(this.core.mediaControl,E.default.MEDIACONTROL_RENDERED,this.settingsUpdate),this.listenTo(this.core,E.default.CORE_OPTIONS_CHANGE,this.render),this.core.getCurrentContainer()&&(this.listenToOnce(this.core.getCurrentContainer(),E.default.CONTAINER_TIMEUPDATE,this.render),this.listenTo(this.core.getCurrentContainer(),E.default.CONTAINER_PLAYBACKDVRSTATECHANGED,this.dvrChanged))},e.prototype.containerChanged=function(){this.stopListening(),this.bindEvents()},e.prototype.dvrChanged=function(t){this.settingsUpdate(),this.core.mediaControl.$el.addClass("live"),t?(this.core.mediaControl.$el.addClass("dvr"),this.core.mediaControl.$el.find(".media-control-indicator[data-position], .media-control-indicator[data-duration]").hide()):this.core.mediaControl.$el.removeClass("dvr")},e.prototype.click=function(){var t=this.core.mediaControl,e=t.container;e.isPlaying()||e.play(),t.$el.hasClass("dvr")&&e.seek(e.getDuration())},e.prototype.settingsUpdate=function(){var t=this;this.stopListening(),this.shouldRender()&&(this.render(),this.$el.click(function(){return t.click()})),this.bindEvents()},e.prototype.shouldRender=function(){return(void 0===this.core.options.useDvrControls||!!this.core.options.useDvrControls)&&this.core.getPlaybackType()===m.default.LIVE},e.prototype.render=function(){return this.style=this.style||b.default.getStyleFor(A.default,{baseUrl:this.core.options.baseUrl}),this.$el.html(this.template({live:this.core.i18n.t("live"),backToLive:this.core.i18n.t("back_to_live")})),this.$el.append(this.style),this.shouldRender()&&(this.core.mediaControl.$el.addClass("live"),this.core.mediaControl.$(".media-control-left-panel[data-media-control]").append(this.$el)),this},e}(f.default);e.default=R,t.exports=e.default},function(t,e,i){e=t.exports=i(10)(void 0),e.push([t.i,'.dvr-controls[data-dvr-controls]{display:inline-block;float:left;color:#fff;line-height:32px;font-size:10px;font-weight:700;margin-left:6px}.dvr-controls[data-dvr-controls] .live-info{cursor:default;font-family:Roboto,Open Sans,Arial,sans-serif;text-transform:uppercase}.dvr-controls[data-dvr-controls] .live-info:before{content:"";display:inline-block;position:relative;width:7px;height:7px;border-radius:3.5px;margin-right:3.5px;background-color:#ff0101}.dvr-controls[data-dvr-controls] 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n=(0,s.default)(this,t.call(this,i)),r=i.options.closedCaptionsConfig;return n._title=r&&r.title?r.title:null,n._ariaLabel=r&&r.ariaLabel?r.ariaLabel:"cc-button",n._labelCb=r&&r.labelCallback&&"function"==typeof r.labelCallback?r.labelCallback:function(t){return t.name},n}return(0,c.default)(e,t),(0,u.default)(e,[{key:"name",get:function(){return"closed_captions"}},{key:"template",get:function(){return(0,g.default)(L.default)}},{key:"events",get:function(){return{"click [data-cc-button]":"toggleContextMenu","click [data-cc-select]":"onTrackSelect"}}},{key:"attributes",get:function(){return{class:"cc-controls","data-cc-controls":""}}}]),e.prototype.bindEvents=function(){this.listenTo(this.core.mediaControl,b.default.MEDIACONTROL_CONTAINERCHANGED,this.containerChanged),this.listenTo(this.core.mediaControl,b.default.MEDIACONTROL_RENDERED,this.render),this.listenTo(this.core.mediaControl,b.default.MEDIACONTROL_HIDE,this.hideContextMenu),this.container=this.core.getCurrentContainer(),this.container&&(this.listenTo(this.container,b.default.CONTAINER_SUBTITLE_AVAILABLE,this.onSubtitleAvailable),this.listenTo(this.container,b.default.CONTAINER_SUBTITLE_CHANGED,this.onSubtitleChanged),this.listenTo(this.container,b.default.CONTAINER_STOP,this.onContainerStop))},e.prototype.onContainerStop=function(){this.ccAvailable(!1)},e.prototype.containerChanged=function(){this.ccAvailable(!1),this.stopListening(),this.bindEvents()},e.prototype.onSubtitleAvailable=function(){this.renderCcButton(),this.ccAvailable(!0)},e.prototype.onSubtitleChanged=function(t){this.setCurrentContextMenuElement(t.id)},e.prototype.onTrackSelect=function(t){var e=parseInt(t.target.dataset.ccSelect,10);return this.container.closedCaptionsTrackId=e,this.hideContextMenu(),t.stopPropagation(),!1},e.prototype.ccAvailable=function(t){var e=t?"addClass":"removeClass";this.$el[e]("available")},e.prototype.toggleContextMenu=function(){this.$el.find("ul").toggle()},e.prototype.hideContextMenu=function(){this.$el.find("ul").hide()},e.prototype.contextMenuElement=function(t){return this.$el.find("ul a"+(isNaN(t)?"":'[data-cc-select="'+t+'"]')).parent()},e.prototype.setCurrentContextMenuElement=function(t){if(this._trackId!==t){this.contextMenuElement().removeClass("current"),this.contextMenuElement(t).addClass("current");var e=t>-1?"addClass":"removeClass";this.$ccButton[e]("enabled"),this._trackId=t}},e.prototype.renderCcButton=function(){for(var t=this.container?this.container.closedCaptionsTracks:[],e=0;e<t.length;e++)t[e].label=this._labelCb(t[e]);this.$el.html(this.template({ariaLabel:this._ariaLabel,disabledLabel:this.core.i18n.t("disabled"),title:this._title,tracks:t})),this.$ccButton=this.$el.find("button.cc-button[data-cc-button]"),this.$ccButton.append(E.default),this.$el.append(this.style)},e.prototype.render=function(){this.style||(this.style=m.default.getStyleFor(A.default,{baseUrl:this.core.options.baseUrl})),this.renderCcButton();var t=this.core.mediaControl.$el.find("button[data-fullscreen]");return t[0]?this.$el.insertAfter(t):this.core.mediaControl.$el.find(".media-control-right-panel[data-media-control]").prepend(this.$el),this},e}(f.default);e.default=R,t.exports=e.default},function(t,e){t.exports='<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" viewBox="0 0 49 41.8" style="enable-background:new 0 0 49 41.8;" 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href="#" data-cc-select="<%= tracks[i].id %>"><%= tracks[i].label %></a></li>\n <% }; %>\n</ul>\n'},function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var n=i(206),r=function(t){return t&&t.__esModule?t:{default:t}}(n);e.default=r.default,t.exports=e.default},function(t,e,i){"use strict";function n(t){return t&&t.__esModule?t:{default:t}}Object.defineProperty(e,"__esModule",{value:!0});var r=i(0),a=n(r),o=i(1),s=n(o),l=i(3),u=n(l),d=i(2),c=n(d),h=i(30),f=n(h),p=i(4),g=n(p),y=i(6),m=n(y),v=i(58),b=n(v),_=i(76),E=n(_),T=(0,m.default)('link[rel="shortcut icon"]'),A=function(t){function e(i){(0,a.default)(this,e);var n=(0,s.default)(this,t.call(this,i));return n._container=null,n.configure(),n}return(0,c.default)(e,t),(0,u.default)(e,[{key:"name",get:function(){return"favicon"}},{key:"oldIcon",get:function(){return 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e=(0,m.default)("<canvas/>");e[0].width=16,e[0].height=16;var i=e[0].getContext("2d");i.fillStyle="#000";var n=(0,m.default)(t).find("path").attr("d"),r=new Path2D(n);i.fill(r);var a=(0,m.default)('<link rel="shortcut icon" type="image/png"/>');return a.attr("href",e[0].toDataURL("image/png")),a},e.prototype.setPlayIcon=function(){this.playIcon||(this.playIcon=this.createIcon(b.default)),this.changeIcon(this.playIcon)},e.prototype.setPauseIcon=function(){this.pauseIcon||(this.pauseIcon=this.createIcon(E.default)),this.changeIcon(this.pauseIcon)},e.prototype.resetIcon=function(){(0,m.default)('link[rel="shortcut icon"]').remove(),(0,m.default)("head").append(this.oldIcon)},e.prototype.changeIcon=function(t){t&&((0,m.default)('link[rel="shortcut icon"]').remove(),(0,m.default)("head").append(t))},e}(f.default);e.default=A,t.exports=e.default},function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var n=i(208),r=function(t){return t&&t.__esModule?t:{default:t}}(n);e.default=r.default,t.exports=e.default},function(t,e,i){"use strict";function n(t){return t&&t.__esModule?t:{default:t}}Object.defineProperty(e,"__esModule",{value:!0});var r=i(0),a=n(r),o=i(1),s=n(o),l=i(3),u=n(l),d=i(2),c=n(d),h=i(5),f=i(38),p=n(f),g=i(7),y=n(g),m=i(8),v=n(m),b=i(4),_=n(b),E=i(9),T=n(E),A=i(209),S=n(A),L=i(210),R=n(L),k=function(t){function e(i){(0,a.default)(this,e);var n=(0,s.default)(this,t.call(this,i));return n.hoveringOverSeekBar=!1,n.hoverPosition=null,n.duration=null,n.actualLiveTime=!!n.mediaControl.options.actualLiveTime,n.actualLiveTime&&(n.mediaControl.options.actualLiveServerTime?n.actualLiveServerTimeDiff=(new Date).getTime()-new 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this.actualLiveTime&&this.isLiveStreamWithDvr}}]),e.prototype.bindEvents=function(){this.listenTo(this.mediaControl,_.default.MEDIACONTROL_RENDERED,this.render),this.listenTo(this.mediaControl,_.default.MEDIACONTROL_MOUSEMOVE_SEEKBAR,this.showTime),this.listenTo(this.mediaControl,_.default.MEDIACONTROL_MOUSELEAVE_SEEKBAR,this.hideTime),this.listenTo(this.mediaControl,_.default.MEDIACONTROL_CONTAINERCHANGED,this.onContainerChanged),this.mediaControlContainer&&(this.listenTo(this.mediaControlContainer,_.default.CONTAINER_PLAYBACKDVRSTATECHANGED,this.update),this.listenTo(this.mediaControlContainer,_.default.CONTAINER_TIMEUPDATE,this.updateDuration))},e.prototype.onContainerChanged=function(){this.stopListening(),this.bindEvents()},e.prototype.updateDuration=function(t){this.duration=t.total,this.update()},e.prototype.showTime=function(t){this.hoveringOverSeekBar=!0,this.calculateHoverPosition(t),this.update()},e.prototype.hideTime=function(){this.hoveringOverSeekBar=!1,this.update()},e.prototype.calculateHoverPosition=function(t){var 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n=this.mediaControl.$seekBarContainer.width(),r=this.$el.width(),a=this.hoverPosition*n;a-=r/2,a=Math.max(0,Math.min(a,n-r)),this.$el.css("left",a)}else this.$el.hide(),this.$el.css("left","-100%")},e.prototype.shouldBeVisible=function(){return this.mediaControlContainer&&this.mediaControlContainer.settings.seekEnabled&&this.hoveringOverSeekBar&&null!==this.hoverPosition&&null!==this.duration},e.prototype.render=function(){this.rendered=!0,this.displayedDuration=null,this.displayedSeekTime=null;var t=y.default.getStyleFor(S.default);this.$el.html(this.template()),this.$el.append(t),this.$el.hide(),this.mediaControl.$el.append(this.el),this.$seekTimeEl=this.$el.find("[data-seek-time]"),this.$durationEl=this.$el.find("[data-duration]"),this.$durationEl.hide(),this.update()},e}(p.default);e.default=k,t.exports=e.default},function(t,e,i){e=t.exports=i(10)(void 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e(){return(0,a.default)(this,e),(0,u.default)(this,t.apply(this,arguments))}return(0,c.default)(e,t),e.prototype.bindEvents=function(){this.listenTo(this.core.mediaControl,f.default.MEDIACONTROL_CONTAINERCHANGED,this.containerChanged);var t=this.core.getCurrentContainer();t&&(this.listenTo(t,f.default.CONTAINER_ENDED,this.ended),this.listenTo(t,f.default.CONTAINER_STOP,this.ended))},e.prototype.containerChanged=function(){this.stopListening(),this.bindEvents()},e.prototype.ended=function(){(void 0===this.core.options.exitFullscreenOnEnd||this.core.options.exitFullscreenOnEnd)&&y.Fullscreen.isFullscreen()&&this.core.toggleFullscreen()},(0,s.default)(e,[{key:"name",get:function(){return"end_video"}}]),e}(g.default);e.default=m,t.exports=e.default},function(t,e,i){"use strict";function n(t){return t&&t.__esModule?t:{default:t}}Object.defineProperty(e,"__esModule",{value:!0});var r=i(31),a=n(r),o=i(0),s=n(o),l=i(1),u=n(l),d=i(3),c=n(d),h=i(2),f=n(h),p=i(5),g=i(6),y=n(g),m=i(30),v=n(m),b=function(t){function e(i){(0,s.default)(this,e);var n=(0,u.default)(this,t.call(this,i));return n._initializeMessages(),n}return(0,f.default)(e,t),(0,c.default)(e,[{key:"name",get:function(){return"strings"}}]),e.prototype.t=function(t){var e=this._language();return(e&&this._messages[e]||this._messages.en)[t]||t},e.prototype._language=function(){return this.core.options.language||(0,p.getBrowserLanguage)()},e.prototype._initializeMessages=function(){var t={en:{live:"live",back_to_live:"back to live",disabled:"Disabled",playback_not_supported:"Your browser does not support the playback of this video. Please try using a different browser."},pt:{live:"ao vivo",back_to_live:"voltar para o ao vivo",disabled:"Desativado",playback_not_supported:"Seu navegador não supporta a reprodução deste video. Por favor, tente usar um navegador diferente."},es:{live:"vivo",back_to_live:"volver en vivo",disabled:"Discapacitado",playback_not_supported:"Su navegador no soporta la reproducción de un video. Por favor, trate de usar un navegador diferente."},ru:{live:"прямой эфир",back_to_live:"к прямому эфиру",disabled:"Отключено",playback_not_supported:"Ваш браузер не поддерживает воспроизведение этого видео. Пожалуйста, попробуйте другой браузер."},fr:{live:"en direct",disabled:"Désactivé",back_to_live:"retour au direct",playback_not_supported:"Votre navigateur ne supporte pas la lecture de cette vidéo. Merci de tenter sur un autre navigateur."},tr:{live:"canlı",back_to_live:"canlı yayına dön",disabled:"Engelli",playback_not_supported:"Tarayıcınız bu videoyu oynatma desteğine sahip değil. Lütfen farklı bir tarayıcı ile deneyin."},et:{live:"Otseülekanne",back_to_live:"Tagasi otseülekande juurde",disabled:"Keelatud",playback_not_supported:"Teie brauser ei toeta selle video taasesitust. Proovige kasutada muud brauserit."}},e=this.core.options.strings||{};this._messages=(0,a.default)(t).reduce(function(i,n){return i[n]=y.default.extend({},t[n],e[n]),i},{}),this._messages["pt-BR"]=this._messages.pt,this._messages["en-US"]=this._messages.en,this._messages["es-419"]=this._messages.es,this._messages["fr-FR"]=this._messages.fr,this._messages["tr-TR"]=this._messages.tr,this._messages["et-EE"]=this._messages.et},e}(v.default);e.default=b,t.exports=e.default}])}); \ No newline at end of file diff --git a/package.json b/package.json index b6bf1622d..d8332676e 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "clappr", - "version": "0.2.75", + "version": "0.2.76", "description": "An extensible media player for the web", "main": "./dist/clappr.js", "scripts": { @@ -65,7 +65,7 @@ "mkdirp": "^0.5.1", "mocha": "^3.3.0", "node-bourbon": "^4.2.8", - "node-sass": "^4.3.0", + "node-sass": "^4.5.3", "s3": "^4.1.1", "sass-loader": "^6.0.2", "sinon": "^2.2.0", diff --git a/yarn.lock b/yarn.lock index 355d83ead..acf75ce31 100644 --- a/yarn.lock +++ b/yarn.lock @@ -3211,9 +3211,11 @@ he@1.1.x: version "1.1.1" resolved "https://registry.yarnpkg.com/he/-/he-1.1.1.tgz#93410fd21b009735151f8868c2f271f3427e23fd" -hls.js@^0.7.9: - version "0.7.9" - resolved "https://registry.yarnpkg.com/hls.js/-/hls.js-0.7.9.tgz#6ff84f1e1cad34d22b9f147b8f5a04ab406c5605" +hls.js@^0.8.5: + version "0.8.5" + resolved "https://registry.yarnpkg.com/hls.js/-/hls.js-0.8.5.tgz#1f76a0db72ab9eaeca788d282bcf0f1cd7443f41" + dependencies: + url-toolkit "^2.0.1" hmac-drbg@^1.0.0: version "1.0.1" @@ -4872,9 +4874,9 @@ node-pre-gyp@^0.6.29: tar "~2.2.1" tar-pack "~3.3.0" -node-sass@^4.3.0: - version "4.5.2" - resolved "https://registry.yarnpkg.com/node-sass/-/node-sass-4.5.2.tgz#4012fa2bd129b1d6365117e88d9da0500d99da64" +node-sass@^4.5.3: + version "4.5.3" + resolved "https://registry.yarnpkg.com/node-sass/-/node-sass-4.5.3.tgz#d09c9d1179641239d1b97ffc6231fdcec53e1568" dependencies: async-foreach "^0.1.3" chalk "^1.1.1" @@ -7095,6 +7097,10 @@ url-parse@^1.1.1: querystringify "0.0.x" requires-port "1.0.x" +url-toolkit@^2.0.1: + version "2.1.1" + resolved "https://registry.yarnpkg.com/url-toolkit/-/url-toolkit-2.1.1.tgz#96c2da3cd672df1aa2ac7fc89240b2dcf5c99a80" + url@^0.11.0: version "0.11.0" resolved "https://registry.yarnpkg.com/url/-/url-0.11.0.tgz#3838e97cfc60521eb73c525a8e55bfdd9e2e28f1"