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ffmpeg: use av_rescale_delta() for audio stream copy 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-10-27 03:18:09 +02:00
parent 2bcbdd8456
commit 1909dbf11d
1 changed files with 9 additions and 0 deletions
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ffmpeg.c
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@ -1360,6 +1360,15 @@ static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *p
opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
opkt.dts -= ost_tb_start_time;
if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) {
int duration = av_get_audio_frame_duration(ist->st->codec, pkt->size);
if(!duration)
duration = ist->st->codec->frame_size;
opkt.dts = opkt.pts = av_rescale_delta(ist->st->time_base, pkt->dts,
(AVRational){1, ist->st->codec->sample_rate}, duration, &ist->filter_in_rescale_delta_last,
ost->st->time_base);
}
opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
opkt.flags = pkt->flags;