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voo+.c
443 lines (368 loc) · 13.9 KB
/
voo+.c
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/**
* Support for MOV and mp4 files in vooya
* Copyright (c) 2018 Arion Neddens
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
#include <assert.h>
#include <ctype.h>
#include "voo_plugin.h"
#ifdef WIN32
#define inline __inline
#pragma comment(lib, "avcodec.lib")
#pragma comment(lib, "avutil.lib")
#pragma comment(lib, "avformat.lib")
// only those are needed, not swresample / swscale / device / filter
#endif
#include <libavcodec/avcodec.h>
#include <libavformat/avformat.h>
void message( void *_, const char *what ){
fprintf(stderr, "%s", what);
}
void av_mute_log_callback( void *avclass, int level, const char *format, va_list args ){/* mute */}
typedef struct
{
voo_sequence_t properties;
AVPacket avpkt;
AVFormatContext *format_ctx;
AVCodecContext *codec_ctx;
AVStream *stream;
AVFrame *picture;
AVCodec *codec;
int64_t expected_seek_tgt;
vooBOOL b_eof;
#define ERRBUFF_LEN 2048
char last_err[ERRBUFF_LEN];
void *p_msg_cargo;
void (*message)(void *,const char*);
} ffmpeg_reader_t;
VP_API vooBOOL in_open( const vooChar_t *filename, voo_app_info_t *p_app_info, void **pp_user ){
ffmpeg_reader_t *p_reader = (ffmpeg_reader_t *)malloc(sizeof(ffmpeg_reader_t));
memset( p_reader, 0x0, sizeof(ffmpeg_reader_t) );
*pp_user = p_reader;
#ifdef WIN32
char c_filename[ 256 ];
sprintf( c_filename, "%ws", filename );
#else
const vooChar_t *c_filename = filename;
#endif
av_log_set_callback( av_mute_log_callback );
p_reader->message = message;
if( p_app_info->pf_console_message ){
p_reader->p_msg_cargo = p_app_info->p_message_cargo;
p_reader->message = p_app_info->pf_console_message;
}
if( !strcmp(c_filename,"-") ){
sprintf( p_reader->last_err, "stdin is not supported by the Quicktime Movie/Mp4 Input Plugin." );
p_reader->message( p_reader->p_msg_cargo, p_reader->last_err );
return FALSE;
}
av_init_packet( &p_reader->avpkt );
p_reader->picture = av_frame_alloc();
p_reader->format_ctx = avformat_alloc_context();
int ret = avformat_open_input( &p_reader->format_ctx, c_filename, NULL, NULL );
if( p_reader->format_ctx == NULL ) {
av_strerror( ret, p_reader->last_err, ERRBUFF_LEN );
return FALSE;
}
// if (!avformat_find_stream_info(p_reader->format_ctx, NULL)) {
// av_strerror(ret, p_reader->last_err, ERRBUFF_LEN);
// sprintf(p_reader->last_err, "No Video Stream found"); // TODO
// p_reader->message(p_reader->p_msg_cargo, p_reader->last_err);
// return FALSE;
// }
int video_stream_index = av_find_best_stream( p_reader->format_ctx, AVMEDIA_TYPE_VIDEO, -1, -1, NULL, 0x0 );
if( video_stream_index == AVERROR_STREAM_NOT_FOUND ) {
sprintf( p_reader->last_err, "No Video Stream found" );
p_reader->message( p_reader->p_msg_cargo, p_reader->last_err );
return FALSE;
} else if (video_stream_index == AVERROR_DECODER_NOT_FOUND) {
sprintf(p_reader->last_err, "No Decoder found");
p_reader->message(p_reader->p_msg_cargo, p_reader->last_err);
return FALSE;
} else if (video_stream_index == AVERROR_DECODER_NOT_FOUND) {
sprintf(p_reader->last_err, "No stream found");
p_reader->message(p_reader->p_msg_cargo, p_reader->last_err);
return FALSE;
}
p_reader->stream = p_reader->format_ctx->streams[ video_stream_index ];
if (!(p_reader->codec = avcodec_find_decoder(p_reader->stream->codecpar->codec_id)))
{
sprintf( p_reader->last_err, "Cannot find a decoder with ID %i.", p_reader->stream->codecpar->codec_id);
p_reader->message( p_reader->p_msg_cargo, p_reader->last_err );
av_frame_free( &p_reader->picture );
avformat_close_input( &p_reader->format_ctx );
avformat_free_context( p_reader->format_ctx );
return FALSE;
}
p_reader->codec_ctx = avcodec_alloc_context3( p_reader->codec );
avcodec_parameters_to_context( p_reader->codec_ctx, p_reader->stream->codecpar );
#if 0
if( p_reader->codec->capabilities & CODEC_CAP_TRUNCATED )
p_reader->codec_ctx->flags |= CODEC_FLAG_TRUNCATED; /* We may send incomplete frames */
if( p_reader->codec->capabilities & CODEC_FLAG2_CHUNKS )
p_reader->codec_ctx->flags |= CODEC_FLAG2_CHUNKS;
#endif
ret = avcodec_open2( p_reader->codec_ctx, p_reader->codec, NULL );
if( ret != 0 ) {
av_frame_free( &p_reader->picture );
avformat_close_input( &p_reader->format_ctx );
avcodec_free_context( &p_reader->codec_ctx );
av_strerror( ret, p_reader->last_err, ERRBUFF_LEN );
return FALSE;
}
memset( &p_reader->properties, 0, sizeof(voo_sequence_t) );
p_reader->properties.bits_per_channel = p_reader->stream->codecpar->bits_per_raw_sample;
if( p_reader->properties.bits_per_channel == 0 )
p_reader->properties.bits_per_channel = p_reader->stream->codecpar->bits_per_coded_sample / 3;
switch( p_reader->codec_ctx->pix_fmt ){
case AV_PIX_FMT_YUV420P10LE:
p_reader->properties.arrangement = vooDA_planar_420;
p_reader->properties.bits_per_channel = 10;
break;
case AV_PIX_FMT_YUV422P10LE:
p_reader->properties.arrangement = vooDA_planar_422;
p_reader->properties.bits_per_channel = 10;
break;
default: break;
}
if( p_reader->stream->codecpar->codec_id == AV_CODEC_ID_PRORES )
{
if( p_reader->stream->codecpar->codec_tag == 'h4pa' ){
p_reader->properties.arrangement = vooDA_planar_444;
if( 10 >= p_reader->properties.bits_per_channel )
p_reader->properties.bits_per_channel = 10;
} else {
p_reader->properties.arrangement = vooDA_planar_422;
if( 10 >= p_reader->properties.bits_per_channel )
p_reader->properties.bits_per_channel = 10;
}
}
else if( p_reader->stream->codecpar->codec_id == AV_CODEC_ID_V210 )
{
p_reader->properties.arrangement = vooDA_planar_422;
p_reader->properties.bits_per_channel = 10;
}
else {
if( p_reader->properties.arrangement == vooDataArrangement_Unknown )
p_reader->properties.arrangement = vooDA_planar_420;
if( 0 >= p_reader->properties.bits_per_channel )
p_reader->properties.bits_per_channel = 8;
}
p_reader->properties.color_space = vooCS_YUV;
p_reader->properties.channel_order = vooCO_c123;
p_reader->properties.fps = (double)p_reader->stream->avg_frame_rate.num / p_reader->stream->avg_frame_rate.den;
p_reader->properties.width = p_reader->stream->codecpar->width;
p_reader->properties.height = p_reader->stream->codecpar->height;
p_reader->expected_seek_tgt = -1;
return TRUE;
}
VP_API void in_close( void *p_user ){
ffmpeg_reader_t *p_reader = (ffmpeg_reader_t *)p_user;
avformat_close_input(&p_reader->format_ctx);
av_frame_free( &p_reader->picture );
avcodec_free_context( &p_reader->codec_ctx );
avformat_free_context( p_reader->format_ctx );
}
VP_API vooBOOL in_get_properties( voo_sequence_t *p_info, void *p_user ){
ffmpeg_reader_t *p_reader = (ffmpeg_reader_t *)p_user;
*p_info = p_reader->properties;
return TRUE;
}
VP_API unsigned int in_framecount( void *p_user ){
ffmpeg_reader_t *p_reader = (ffmpeg_reader_t *)p_user;
return ( unsigned int)p_reader->stream->nb_frames;
}
VP_API vooBOOL in_seek( unsigned int frame, void *p_user )
{
ffmpeg_reader_t *p_reader = (ffmpeg_reader_t *)p_user;
int64_t seek_target;
seek_target = (int64_t)(((double)frame/p_reader->properties.fps) * AV_TIME_BASE);
seek_target = av_rescale_q(seek_target, AV_TIME_BASE_Q, p_reader->format_ctx->streams[p_reader->stream->index]->time_base);
p_reader->expected_seek_tgt = seek_target;
if( 0 <= av_seek_frame( p_reader->format_ctx, p_reader->stream->index, seek_target, AVSEEK_FLAG_FRAME/*|AVSEEK_FLAG_ANY*/ ) ){
avcodec_flush_buffers( p_reader->codec_ctx );
p_reader->b_eof = FALSE;
return TRUE;
}
return FALSE;
}
VP_API vooBOOL in_load( unsigned int frame, char *p_buffer, vooBOOL *pb_skipped, void **pp_frame_user, void *p_user )
{
int32_t i_ret;
ffmpeg_reader_t *p_reader = (ffmpeg_reader_t *)p_user;
try_again:
if( (i_ret = av_read_frame( p_reader->format_ctx, &p_reader->avpkt )) >= 0 ){
i_ret = avcodec_send_packet( p_reader->codec_ctx, &p_reader->avpkt );
if( AVERROR( EAGAIN ) == i_ret )
goto receive;
if( AVERROR_EOF == i_ret ){
p_reader->b_eof = TRUE;
return FALSE;
}
if( i_ret < 0 ) {
av_strerror( i_ret, p_reader->last_err, ERRBUFF_LEN );
goto try_again;
}
receive:
i_ret = avcodec_receive_frame( p_reader->codec_ctx, p_reader->picture );
if( AVERROR( EAGAIN ) == i_ret ) goto try_again;
if( AVERROR_EOF == i_ret ){
p_reader->b_eof = TRUE;
return FALSE;
}
if( i_ret < 0 ) {
av_strerror( i_ret, p_reader->last_err, ERRBUFF_LEN );
return FALSE;
}
if( i_ret == 0 )
{
if( p_reader->properties.arrangement == vooDA_v210 ){
int32_t pel_width = ( p_reader->properties.bits_per_channel + 7 ) >> 3;
memcpy( p_buffer,
p_reader->picture->data[ 0 ],
pel_width * p_reader->properties.width*p_reader->properties.height );
} else {
int32_t chr_sh_x = p_reader->properties.arrangement == vooDA_planar_444 ? 0 : 1;
int32_t chr_sh_y = p_reader->properties.arrangement == vooDA_planar_420 ? 1 : 0;
int32_t pel_width = ( p_reader->properties.bits_per_channel + 7 ) >> 3;
memcpy( p_buffer,
p_reader->picture->data[ 0 ],
pel_width * p_reader->properties.width*p_reader->properties.height );
memcpy( p_buffer + p_reader->properties.width*p_reader->properties.height*pel_width,
p_reader->picture->data[ 1 ],
pel_width * ( p_reader->properties.width >> chr_sh_x )*( p_reader->properties.height >> chr_sh_y ) );
memcpy( p_buffer + p_reader->properties.width*p_reader->properties.height*pel_width + ( p_reader->properties.width >> chr_sh_x )*( p_reader->properties.height >> chr_sh_y )*pel_width,
p_reader->picture->data[ 2 ],
pel_width * ( p_reader->properties.width >> chr_sh_x )*( p_reader->properties.height >> chr_sh_y ) );
}
}
} else {
p_reader->b_eof = TRUE;
return FALSE;
}
return TRUE;
}
VP_API vooBOOL in_eof( void *p_user ){
ffmpeg_reader_t *p_reader = (ffmpeg_reader_t *)p_user;
return p_reader->b_eof;
}
VP_API vooBOOL in_good( void *p_user ){ return TRUE; }
VP_API vooBOOL in_reload( void *p_user ){ return TRUE; }
VP_API vooBOOL get_meta( int idx, char *buffer_k, char *buffer_v, void *p_user_seq )
{
int32_t _idx = 0;
ffmpeg_reader_t *p_reader = (ffmpeg_reader_t *)p_user_seq;
if (idx == _idx++) {
char *codec = 0x0;
uint32_t fourcc = p_reader->stream->codecpar->codec_tag;
if( fourcc == 'ncpa' )
codec = "Apple ProRes 422 SD";
else if( fourcc == 'hcpa' )
codec = "Apple ProRes 422 HQ";
else if( fourcc == 'scpa' )
codec = "Apple ProRes 422 LT";
else if( fourcc == 'ocpa' )
codec = "Apple ProRes 422 Proxy";
else if( fourcc == 'h4pa' )
codec = "Apple ProRes 4444";
else if( fourcc == '1cva' )
codec = "H.264";
else if( fourcc == '1cvh' )
codec = "HEVC";
else if( fourcc == '012v' )
codec = "v210 Raw";
else if( fourcc == 'gepj' )
codec = "MJPEG";
if( codec ){
sprintf( buffer_k, "Codec" );
sprintf( buffer_v, "%s", codec );
}
} else if( p_reader->stream->codecpar->bit_rate && idx == _idx++ ) {
sprintf( buffer_k, "Bitrate" );
const char *unit = "";
float bps = (float)p_reader->stream->codecpar->bit_rate;
if( p_reader->stream->codecpar->bit_rate > 999999 ) {
unit = "M";
bps /= 1e6f;
} else if( p_reader->stream->codecpar->bit_rate > 999 ) {
unit = "k";
bps /= 1e3f;
}
sprintf( buffer_v, "%1.2f%sb/s", bps, unit );
}
else return FALSE;
return TRUE;
}
VP_API void in_error( const char **pp_err, void *p_user_seq )
{
ffmpeg_reader_t *p_reader = (ffmpeg_reader_t *)p_user_seq;
*pp_err = p_reader->last_err;
}
VP_API vooBOOL in_responsible( const vooChar_t *_filename, char *sixteen_bytes, void *p_user ){
if( voo_strlen(_filename) < 4 )
return FALSE;
vooChar_t filename[1024];
voo_strcpy( filename,_filename );
vooChar_t *p = filename;
for( ; *p++; ) *p = tolower( *p );
return !voo_strcmp( filename + voo_strlen( filename ) - 4, _v( ".mov" ) )
|| !voo_strcmp( filename + voo_strlen( filename ) - 4, _v( ".mkv" ) )
|| !voo_strcmp( filename + voo_strlen( filename ) - 4, _v( ".mxf" ) )
|| !voo_strcmp( filename + voo_strlen( filename ) - 4, _v( ".mp4" ) );
}
VP_API vooBOOL in_file_suffixes( int idx, char const **pp_suffix, void *p_user ){
switch(idx){
case 0: *pp_suffix = "mov"; break;
case 1: *pp_suffix = "mp4"; break;
default: return FALSE;
}
return TRUE;
}
const char g_version[2048];
VP_API void voo_describe( voo_plugin_t *p_plugin )
{
p_plugin->voo_version = VOO_PLUGIN_API_VERSION;
// plugin main properties
#ifdef _DEBUG
#define DEBUG_STR " DEBUG"
#else
#define DEBUG_STR ""
#endif
p_plugin->description = "Brings support for Quicktime Movie and MPEG-4 input. This software uses libraries from the FFmpeg project under the LGPLv2.1.";
p_plugin->copyright = "A. Neddens (c) 2018, LGPL";
p_plugin->version = "ver1.2";
#ifdef __APPLE__
p_plugin->name = "Quicktime Movie / MP4 Input (FFmpeg)" DEBUG_STR;
p_plugin->input.uid = "voo.ffmpeg.0";
p_plugin->input.name = "Quicktime/MPEG-4 Movie Support (FFmpeg)";
#else
p_plugin->name = "Quicktime Movie / MP4 Input" DEBUG_STR;
p_plugin->input.uid = "voo.mov.0";
p_plugin->input.name = "Quicktime/MPEG-4 Movie Support";
#endif
p_plugin->input.description = "Quicktime/MPEG-4 FFmpeg Movie";
p_plugin->input.file_suffixes = in_file_suffixes;
p_plugin->input.responsible = in_responsible;
p_plugin->input.open = in_open;
p_plugin->input.close = in_close;
p_plugin->input.get_properties = in_get_properties;
p_plugin->input.framecount = in_framecount;
p_plugin->input.seek = in_seek;
p_plugin->input.load = in_load;
p_plugin->input.eof = in_eof;
p_plugin->input.good = in_good;
p_plugin->input.error_msg = in_error;
p_plugin->input.reload = in_reload;
p_plugin->input.get_meta = get_meta;
p_plugin->input.b_fileBased = TRUE;
p_plugin->input.flags = VOOInputFlag_DoNotCache;
}