From 1909dbf11da01f4493d9183622ef9feb3632257e Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sat, 27 Oct 2012 03:18:09 +0200 Subject: [PATCH] ffmpeg: use av_rescale_delta() for audio stream copy Signed-off-by: Michael Niedermayer --- ffmpeg.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/ffmpeg.c b/ffmpeg.c index f2d0b67c09..37b6311100 100644 --- a/ffmpeg.c +++ b/ffmpeg.c @@ -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;