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<!DOCTYPE HTML>
<html lang="en-US">
<head>
<meta charset="UTF-8">
<link rel="shortcut icon" href="http://normanzb.github.io/playcorder-core-as3/favicon.ico?v=2" />
<link rel="icon" sizes="16x16 32x32" href="./favicon.ico?v=2">
<title>Playcorder.core.as3</title>
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}
#view-hex
{
width: 100%;
font-family: Courier;
}
.caption
{
display: inline-block;
background-color: #000;
color: #FFF;
margin: 10px 0;
padding: 0 5px;
}
.label
{
background-color: #EFEFEF;
padding: 0 5px;
color: #000;
text-shadow: none;
}
.status
{
width: 60px;
padding: 0 10px;
display: inline-block;
}
.playcorder
{
position: fixed;
top: 50%;
left: 50%;
width: 215px;
height: 140px;
}
.playcorder > .inner
{
position: relative;
top: -70px;
left: -50%;
-webkit-box-shadow: 0 0 2300px 700px rgba(0,0,0,0.5);
box-shadow: 0 0 2300px 700px rgba(0,0,0,0.5);
}
.playcorder:after
{
position: absolute;
top: -5px;
left: -30px;
content: 'Loading...';
}
.playcorder.loaded:after
{
display: none;
}
.playcorder.ready
{
top: -9999px;
left: -9999px;
}
/* spinner */
.spinner
{
position: fixed;
right: 35px;
top: 70px;
z-index: 1;
}
.spinner {
margin: 20px auto;
width: 50px;
height: 30px;
text-align: center;
font-size: 10px;
}
.spinner > div {
background-color: #FFF;
height: 100%;
width: 6px;
display: inline-block;
-webkit-animation: stretchdelay 1.2s infinite ease-in-out;
animation: stretchdelay 1.2s infinite ease-in-out;
}
.spinner .rect2 {
-webkit-animation-delay: -1.1s;
animation-delay: -1.1s;
}
.spinner .rect3 {
-webkit-animation-delay: -1.0s;
animation-delay: -1.0s;
}
.spinner .rect4 {
-webkit-animation-delay: -0.9s;
animation-delay: -0.9s;
}
.spinner .rect5 {
-webkit-animation-delay: -0.8s;
animation-delay: -0.8s;
}
@-webkit-keyframes stretchdelay {
0%, 40%, 100% { -webkit-transform: scaleY(0.4) }
20% { -webkit-transform: scaleY(1.0) }
}
@keyframes stretchdelay {
0%, 40%, 100% {
transform: scaleY(0.4);
-webkit-transform: scaleY(0.4);
} 20% {
transform: scaleY(1.0);
-webkit-transform: scaleY(1.0);
}
}
</style>
</head>
<body>
<div id="spinner" class="spinner">
<div class="rect1"></div>
<div class="rect2"></div>
<div class="rect3"></div>
<div class="rect4"></div>
<div class="rect5"></div>
</div>
<div class='topbar'>
<div class="logo"><img src="./icon.png" /></div>
<h1 class="comp-name">
<span>Playcorder.Core.AS3</span>
<div class="sub-title">Flash based recording component with intuitive Javascript APIs</div>
</h1>
</div>
<div class="playcorder">
<div class="inner">
<div id="playcorder-placeholder"></div>
</div>
</div>
<div class="separator horizontal"></div>
<div id="panel" class="panel">
<table>
<tr>
<td width="10%"><button id="mic-start" disabled="disabled">loading</button></td>
<td width="5%">-></td>
<td width="10%"><button id="mic-stop" disabled="disabled">stopped</button></td>
<td width="5%">-></td>
<td width="45%">
<button
id="mic-download-raw" class="stretcher w33p" disabled="disabled">download as raw data (js)
</button><span
class="stretcher w33p" style="text-align:center;">->
</span><button
id="mic-encode-wave" class="stretcher w33p" disabled="disabled">encode to wave (js)</button> <br />
<button id="mic-download-wave" class="stretcher w100p" disabled="disabled">download as wave (as)</button><br />
<button id="mic-download-mp3" class="stretcher w100p" disabled="disabled">download as mp3 (as)</button><br />
<button id="mic-upload-wave" class="stretcher w100p" disabled="disabled">upload to ./test as wave file using plain post (as)</button> <br />
<button id="mic-upload-mp3" class="stretcher w50p" disabled="disabled">upload to ./test as mp3 file using multipart(as)
</button><button
id="mic-upload-mp3-confirm" class="stretcher w50p" disabled="disabled">click to confirm upload</button>
</td>
<td width="5%">-></td>
<td width="20%">
<button id="mic-buffer-play" class="stretcher w50p" disabled="disabled">Play shared buffer (js)</button><br />
<button id="mic-buffer-play-as" class="stretcher w50p" disabled="disabled">Play recorded audio (as)</button><br />
<button id="mic-buffer-extract" class="stretcher w50p" disabled="disabled">Extract as file (js)</button><br />
<button id="mic-buffer-hexview" class="stretcher w50p" disabled="disabled">Display Hex (js)</button>
</td>
</tr>
</table>
</div>
<span class="caption">Info:</span>
<div id="view-info">
<span class="label">muted:</span><span id="mic-muted" class="status muted"></span>
<span class="label">volume:</span><span id="mic-volume" class="status volume"></span>
<span class="label">recorded duration:</span><span id="mic-duration" class="status duration"></span>
</div>
<span class="caption">Shared Buffer Hex View:</span>
<div id="view-hex"></div>
<script type="text/javascript">
forceDownload = function(blob, filename){
var url = (window.URL || window.webkitURL).createObjectURL(blob);
var link = window.document.createElement('a');
link.href = url;
link.download = filename || 'file';
var click = document.createEvent("Event");
click.initEvent("click", true, true);
link.dispatchEvent(click);
}
function floatTo16BitPCM(output, offset, input){
for (var i = 0; i < input.length; i++, offset+=2){
var s = Math.max(-1, Math.min(1, input[i]));
output.setInt16(offset, s < 0 ? s * 0x8000 : s * 0x7FFF, true);
}
}
function writeString(view, offset, string){
for (var i = 0; i < string.length; i++){
view.setUint8(offset + i, string.charCodeAt(i));
}
}
function encodeWAV(config){
var CHUNK_ID = 'RIFF';
var TYPE = 'WAVE';
var FORMAT_CHUNK_ID = 'fmt ';
var DATA_CHUNK_ID = 'data' ;
var BIT_LEN = 16;
var BYTE_PER_SAMPLE = ( BIT_LEN / 8 );
var cur = 0;
var view = new DataView(new ArrayBuffer(44 + config.samples.length * 2));
/* RIFF identifier */
writeString(view, cur, CHUNK_ID);
cur+= CHUNK_ID.length;
/* file length */
view.setUint32(cur, 36 + config.samples.length * BYTE_PER_SAMPLE, true);
cur += 4;
/* RIFF type */
writeString(view, cur, TYPE);
cur += TYPE.length;
/* format chunk identifier */
writeString(view, cur, FORMAT_CHUNK_ID);
cur += FORMAT_CHUNK_ID.length;
/* format chunk length */
view.setUint32(cur, 16, true);
cur += 4;
/* sample format (raw) */
view.setUint16(cur, 1, true);
cur += 2;
/* channel count */
view.setUint16(cur, config.channels.length, true);
cur += 2;
/* sample rate */
view.setUint32(cur, config.rate, true);
cur += 4;
/* byte rate (sample rate * block align) */
view.setUint32(cur, config.rate * BYTE_PER_SAMPLE * config.channels.length, true);
cur += 4;
/* block align (channel count * bytes per sample) */
view.setUint16(cur, config.channels.length * BYTE_PER_SAMPLE, true);
cur += 2;
/* bits per sample */
view.setUint16(cur, BIT_LEN, true);
cur += 2;
/* data chunk identifier */
writeString(view, cur, DATA_CHUNK_ID);
cur += DATA_CHUNK_ID.length;
/* data chunk length */
view.setUint32( cur, config.samples.length * BYTE_PER_SAMPLE, true);
cur += 4;
floatTo16BitPCM(view, cur, config.samples);
return view;
}
(function(){
// embed swf by using swfobject
var ID_SWF = 'playcorder';
var params = {};
params.quality = "high";
params.wmode = "transparent";
params.allowscriptaccess = "always";
params.allowfullscreen = "false";
swfobject.embedSWF(
"./dist/Playcorder.swf",
"playcorder-placeholder",
"215", "140",
"11.9.0", "playerProductInstall.swf",
{}, params, {
id: ID_SWF,
name: ID_SWF
},
function( result ){
window.pc = result.ref;
var elSpinner = document.getElementById('spinner');
var elPlaycorder = document.getElementsByClassName('playcorder')[0];
function showSpinner()
{
elSpinner.style.display = 'block';
}
function hideSpinner()
{
elSpinner.style.display = 'none';
}
pc.onloaded = function() {
elPlaycorder.className += " loaded";
hideSpinner();
};
pc.onready = function(){
var curGUID;
var elMuted = document.getElementById('mic-muted');
var elVolume = document.getElementById('mic-volume');
var elDuration = document.getElementById('mic-duration');
var btnStart = document.getElementById('mic-start');
var btnStop = document.getElementById('mic-stop');
var btnDownloadRaw = document.getElementById('mic-download-raw');
var btnEncodeWave = document.getElementById('mic-encode-wave');
var btnDownloadWave = document.getElementById('mic-download-wave');
var btnDownloadMP3 = document.getElementById('mic-download-mp3');
var btnPlayBuffer = document.getElementById('mic-buffer-play');
var btnPlayBufferAs = document.getElementById('mic-buffer-play-as');
var btnShowHex = document.getElementById('mic-buffer-hexview');
var btnUploadWave = document.getElementById('mic-upload-wave');
var btnUploadMP3 = document.getElementById('mic-upload-mp3');
var btnUploadMP3Confirm = document.getElementById('mic-upload-mp3-confirm');
var btnDownloadAsFile = document.getElementById('mic-buffer-extract');
var elViewHex = document.getElementById('view-hex');
var sharedArrayBuffer;
var sharedDownloadObject;
var sharedAudioContext;
btnStart.removeAttribute('disabled');
btnStart.innerHTML = 'start';
elPlaycorder.className += " ready";
// init rtmp recorder
// pc.recorder.initialize({
// gain:50,
// rate:44,
// silence:0,
// quality: 9,
// type:'asrrtmp',
// server: 'rtmpt://speechtest.englishtown.com:1935/asrstreaming',
// params: {
// connection:[{
// type: 'macro',
// value: 'server'
// }, {
// type: 'macro',
// value: 'guid'
// },
// // context
// "<?xml version='1.0'?><TPContext version='1.1'><Sentences><Sentence AVG='87.555490868151' DEV='18.831834969547' id='1' display_trans='pig' trans='LTIKN '><Word id='1' trans='LTIKN' display_trans='PIG' weight='1'/></Sentence></Sentences><NewWords><NewWord id='1' trans='LTIKN' prons='P IH G'/></NewWords><Dictionary><![CDATA[LTIKN P IH G]]></Dictionary></TPContext>",
// // student id
// 0,
// // activity id
// 0
// ]
// }
// });
pc.recorder.initialize({
gain: 50,
rate: 44,
silence: 0,
quality: 9,
type: 'local'
});
// detect recorder changes
pc.recorder.onchange = function(){
if ( pc.recorder_muted() ) {
elMuted.innerHTML = 'yes';
}
else {
elMuted.innerHTML = 'no';
}
};
pc.recorder.onerror = function(){
};
pc.recorder.onstarted = function(evt) {
if ( evt.guid != curGUID)
{
return;
}
btnStart.innerHTML = 'started'
btnStart.setAttribute('disabled', 'disabled');
btnStop.innerHTML = 'stop';
btnStop.removeAttribute('disabled', 'disabled');
window.startTime = new Date() * 1;
showSpinner();
};
pc.recorder.onstopped = function(evt) {
window.recordingTime = window.startTime - new Date() * 1;
if ( evt.guid != curGUID)
{
return;
}
btnStart.innerHTML = 'start'
btnStart.removeAttribute('disabled');
btnStop.innerHTML = 'stopped';
btnStop.setAttribute('disabled', 'disabled');
btnDownloadRaw.removeAttribute('disabled');
btnDownloadWave.removeAttribute('disabled');
btnDownloadMP3.removeAttribute('disabled');
btnUploadWave.removeAttribute('disabled');
btnUploadMP3.removeAttribute('disabled');
btnPlayBufferAs.removeAttribute('disabled');
elDuration.innerHTML = pc.recorder.result.duration();
hideSpinner();
};
btnStart.onclick = function() {
// use session guid to make sure the event is fired for current session
curGUID = pc.recorder.start();
console.log( curGUID )
};
btnStop.onclick = function() {
pc.recorder.stop();
};
btnDownloadRaw.onclick = function() {
var downloadGuid;
pc.recorder.result.ondownloaded = function(obj){
if ( downloadGuid != obj.guid ){
return;
}
console.log('audio data length: ' + obj.length);
hideSpinner();
// try to convert it to arraybuffer
if ( !window.ArrayBuffer ){
alert('Data is downloaded, However your browser does not support essential APIs for Javascript audio processing, try flash APIs!');
return;
}
var ab = new ArrayBuffer( obj.data.length );
var ui8a = new Uint8Array(ab);
for( var i = 0; i < obj.data.length; i++ )
{
ui8a[ i ] = obj.data[i];
}
sharedArrayBuffer= ab;
sharedDownloadObject = obj;
btnEncodeWave.removeAttribute("disabled");
btnDownloadAsFile.removeAttribute('disabled');
btnShowHex.removeAttribute('disabled');
};
pc.recorder.result.ondownloadfailed = function(obj)
{
if ( downloadGuid != obj.guid ){
return;
}
console.log('downloading failed: ' + obj.message);
hideSpinner();
};
// try to download data
downloadGuid = pc.recorder.result.download( );
showSpinner();
};
btnEncodeWave.onclick = function(){
// get samples
var dv = new DataView( sharedArrayBuffer );
var samples = [];
var obj = sharedDownloadObject;
var cur = 0;
while( cur < dv.byteLength )
{
samples.push(dv.getFloat32(cur));
cur+=4;
}
console.log('sample length: ', samples.length)
// convert to wave
var wavView = encodeWAV({
rate: obj.rate == 44 ? 44100 : 0,
channels: obj.channels,
samples: samples
});
sharedArrayBuffer = wavView.buffer;
console.log('wav done', wavView);
// display it
var ui8a = new Uint8Array( wavView.buffer );
var arr = [];
for(var i = 0; i < ui8a.length;i++){
arr.push(ui8a[i]);
}
btnPlayBuffer.removeAttribute('disabled');
btnShowHex.removeAttribute('disabled');
btnDownloadAsFile.removeAttribute('disabled');
};
btnDownloadMP3.onclick = function() {
var downloadGuid;
pc.recorder.result.ondownloaded = function(obj){
if ( downloadGuid != obj.guid ){
return;
}
console.log('mp3 length: ' + obj.length);
console.log('done:' + new Date() * 1);
hideSpinner();
// try to convert it to arraybuffer
if ( !window.ArrayBuffer ){
alert('Data is downloaded, However your browser does not support essential APIs for Javascript audio processing, try flash APIs!');
return;
}
var ab = new ArrayBuffer( obj.data.length );
var ui8a = new Uint8Array(ab);
for( var i = 0; i < obj.data.length; i++ )
{
ui8a[ i ] = obj.data[i];
}
sharedArrayBuffer = ab;
sharedDownloadObject = obj;
btnPlayBuffer.removeAttribute('disabled');
btnDownloadAsFile.removeAttribute('disabled');
btnShowHex.removeAttribute('disabled');
};
pc.recorder.result.ondownloadfailed = function(obj)
{
if ( downloadGuid != obj.guid ){
return;
}
console.log('downloading failed: ' + obj.message);
hideSpinner();
};
// try to download data
console.log('start:' + new Date() * 1);
downloadGuid = pc.recorder.result.download( 'mp3' );
showSpinner();
};
btnShowHex.onclick = function(){
var ui8a = new Uint8Array( sharedArrayBuffer );
var arr = [];
for(var i = 0; i < ui8a.length;i++){
arr.push(ui8a[i]);
}
elViewHex.innerHTML = arr.map(function(el){
var ret = el.toString(16);
if (ret.length == 1) {
ret = "0"+ret;
}
return ret;
}).join(' ');
};
btnDownloadWave.onclick = function() {
var downloadGuid;
pc.recorder.result.ondownloaded = function(obj){
if ( downloadGuid != obj.guid ){
return;
}
console.log('wave length: ' + obj.length);
console.log('done:' + new Date() * 1);
hideSpinner();
// try to convert it to arraybuffer
if ( !window.ArrayBuffer ){
alert('Data is downloaded, However your browser does not support essential APIs for Javascript audio processing, try flash APIs!');
return;
}
var ab = new ArrayBuffer( obj.data.length );
var ui8a = new Uint8Array(ab);
for( var i = 0; i < obj.data.length; i++ )
{
ui8a[ i ] = obj.data[i];
}
sharedArrayBuffer = ab;
sharedDownloadObject = obj;
btnPlayBuffer.removeAttribute('disabled');
btnDownloadAsFile.removeAttribute('disabled');
btnShowHex.removeAttribute('disabled');
};
pc.recorder.result.ondownloadfailed = function(obj)
{
if ( downloadGuid != obj.guid ){
return;
}
console.log('downloading failed: ' + obj.message);
hideSpinner();
};
// try to download data
console.log('start:' + new Date() * 1);
downloadGuid = pc.recorder.result.download( 'wave' );
showSpinner();
};
btnPlayBuffer.onclick = function(){
// try to play the audio by using web audio api
var AudioContext = webkitAudioContext || mozAudioContext;
if ( !AudioContext )
{
alert('Your browser does not support essential APIs for Javascript audio processing, try flash APIs!');
return;
}
var audioContext = sharedAudioContext || new AudioContext();
sharedAudioContext = audioContext ;
console.log('audio api instantiated');
try{
var audioBuffer = audioContext.createBuffer(
sharedArrayBuffer, sharedDownloadObject.channels.length == 1
// obj.channels.length, obj.length, obj.rate
);
}
catch(ex){
console.log(ex)
}
console.log('audio buffer created', audioBuffer);
var source = audioContext.createBufferSource();
console.log('source created');
source.connect(audioContext.destination);
console.log('destination connected');
source.buffer = audioBuffer;
console.log('buffer assigned')
source.start(0);
console.log('started')
};
btnPlayBufferAs.onclick = function() {
pc.player.initialize({});
pc.player.onstarted = function(evt){
console.log('play started ' + evt.guid);
};
pc.player.onstopped = function(evt){
console.log('play stopped ' + evt.guid);
};
var guid = pc.player.start();
console.log('play guid: ' + guid);
};
btnUploadWave.onclick = function(){
var uploadGuid;
uploadGuid = pc.recorder.result.upload('wave', './test');
pc.recorder.result.onuploaded = function(obj)
{
if (uploadGuid != obj.guid){
return;
}
alert('uploaded');
hideSpinner();
};
pc.recorder.result.onuploadfailed = function(obj)
{
if (uploadGuid != obj.guid){
return;
}
alert(obj.message);
hideSpinner();
};
console.log('upload guid:', uploadGuid);
showSpinner();
};
btnUploadMP3.onclick = function(){
var uploadGuid;
uploadGuid = pc.recorder.result.upload('mp3', './test', { format:'multipart', params: {test: "foobar"}});
pc.recorder.result.onuploadinteraction = function(){
btnUploadMP3Confirm.removeAttribute('disabled');
btnUploadMP3Confirm.onclick = function(){
pc.recorder.result.interact();
};
};
pc.recorder.result.onuploaded = function(obj)
{
if (uploadGuid != obj.guid){
return;
}
alert('uploaded');
hideSpinner();
};
pc.recorder.result.onuploadfailed = function(obj)
{
if (uploadGuid != obj.guid){
return;
}
alert(obj.message);
hideSpinner();
};
console.log('upload guid:', uploadGuid);
showSpinner();
};
btnDownloadAsFile.onclick = function() {
var dv = new DataView(sharedArrayBuffer);
var type = 'audio/wav';
var filename = 'file.wav';
if ( dv.getUint8(0) == 255 ) {
type = 'audio/mp3';
filename = 'file.mp3';
}
forceDownload( new Blob([ dv ], { type: type} ), filename );
};
// update the recorder volume
;(function looper(){
elVolume.innerHTML = pc.recorder.activity();
setTimeout( looper, 30 );
})();
};
}
);
})();
</script>
<a href="https://github.com/normanzb/playcorder-core-as3"><img style="position: absolute; top: 0; right: 30px; border: 0;" src="https://github.com/jamesflorentino/fork-ribbons/raw/master/ribbons/orange-black.png" alt="Fork me on GitHub"></a>
</body>
</html>