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avformat: only fill-in interpolated timestamps if duration is non-zero

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This avoids returning duplicate timestamps for multiple packets when the
demuxer does not provide all timestamps and packet duration is not known.
This commit is contained in:
Justin Ruggles 2012-04-26 11:02:02 -04:00
parent ff499157a1
commit 8916f1fbcb
1 changed files with 3 additions and 0 deletions
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3
libavformat/utils.c
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@ -985,6 +985,8 @@ static void compute_pkt_fields(AVFormatContext *s, AVStream *st,
}
}
if (pkt->pts != AV_NOPTS_VALUE || pkt->dts != AV_NOPTS_VALUE ||
duration) {
/* presentation is not delayed : PTS and DTS are the same */
if(pkt->pts == AV_NOPTS_VALUE)
pkt->pts = pkt->dts;
@ -994,6 +996,7 @@ static void compute_pkt_fields(AVFormatContext *s, AVStream *st,
pkt->dts = pkt->pts;
if(pkt->pts != AV_NOPTS_VALUE)
st->cur_dts = pkt->pts + duration;
}
}
}