kode54
/
cog
2
1
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Update FFmpeg plugin with some minor changes.

CQTexperiment
Christopher Snowhill 2016-12-03 21:40:53 -08:00
parent 26a9e2b3a1
commit 2771809af6
1 changed files with 12 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
Plugins/FFMPEG/FFMPEGDecoder.m
View File

@ -102,6 +102,7 @@ int lockmgr_callback(void ** mutex, enum AVLockOp op)
- (BOOL)open:(id<CogSource>)s
{
int errcode, i;
AVStream *stream;
source = s;
@ -154,13 +155,17 @@ int lockmgr_callback(void ** mutex, enum AVLockOp op)
AVCodecParameters *codecPar;
for(i = 0; i < formatCtx->nb_streams; i++) {
codecPar = formatCtx->streams[i]->codecpar;
if(codecPar->codec_type == AVMEDIA_TYPE_AUDIO)
stream = formatCtx->streams[i];
codecPar = stream->codecpar;
if(streamIndex < 0 && codecPar->codec_type == AVMEDIA_TYPE_AUDIO)
{
DLog(@"audio codec found");
streamIndex = i;
break;
}
else
{
stream->discard = AVDISCARD_ALL;
}
}
if ( streamIndex < 0 ) {
@ -168,6 +173,8 @@ int lockmgr_callback(void ** mutex, enum AVLockOp op)
return NO;
}
stream = formatCtx->streams[streamIndex];
codecCtx = avcodec_alloc_context3(NULL);
if (!codecCtx)
{
@ -183,7 +190,7 @@ int lockmgr_callback(void ** mutex, enum AVLockOp op)
return NO;
}
av_codec_set_pkt_timebase(codecCtx, formatCtx->streams[streamIndex]->time_base);
av_codec_set_pkt_timebase(codecCtx, stream->time_base);
AVCodec * codec = avcodec_find_decoder(codecCtx->codec_id);
if (!codec) {
@ -243,7 +250,7 @@ int lockmgr_callback(void ** mutex, enum AVLockOp op)
//totalFrames = codecCtx->sample_rate * ((float)formatCtx->duration/AV_TIME_BASE);
AVRational tb = (AVRational) { 1, codecCtx->sample_rate };
totalFrames = av_rescale_q(formatCtx->streams[streamIndex]->duration, formatCtx->streams[streamIndex]->time_base, tb);
totalFrames = av_rescale_q(stream->duration, stream->time_base, tb);
bitrate = (int)((codecCtx->bit_rate) / 1000);
framesRead = 0;
endOfStream = NO;