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avformat/utils: do not override pts in h264 when they are provided from the demuxer

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Fixes Ticket2143

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 1e5271a9fd)
This commit is contained in:
Michael Niedermayer 2013-10-27 01:03:19 +02:00 committed by Carl Eugen Hoyos
parent a248117f26
commit 115efdefc5
1 changed files with 4 additions and 2 deletions
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6
libavformat/utils.c
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@ -1032,12 +1032,14 @@ static void compute_pkt_fields(AVFormatContext *s, AVStream *st,
if (pkt->dts != AV_NOPTS_VALUE) {
// got DTS from the stream, update reference timestamp
st->reference_dts = pkt->dts - pc->dts_ref_dts_delta * num / den;
pkt->pts = pkt->dts + pc->pts_dts_delta * num / den;
} else if (st->reference_dts != AV_NOPTS_VALUE) {
// compute DTS based on reference timestamp
pkt->dts = st->reference_dts + pc->dts_ref_dts_delta * num / den;
pkt->pts = pkt->dts + pc->pts_dts_delta * num / den;
}
if (st->reference_dts != AV_NOPTS_VALUE && pkt->pts == AV_NOPTS_VALUE)
pkt->pts = pkt->dts + pc->pts_dts_delta * num / den;
if (pc->dts_sync_point > 0)
st->reference_dts = pkt->dts; // new reference
}