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Code Issues Releases Activity

avformat/utils: fix calculating the absolute difference of timestamps

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we dont use FFABS(a-b) as that could result in undefined behavior if it overflows

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-12-09 05:31:30 +01:00
parent 720dffb843
commit a5e5959d52
1 changed files with 1 additions and 1 deletions
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libavformat/utils.c
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@ -1105,7 +1105,7 @@ static void compute_pkt_fields(AVFormatContext *s, AVStream *st,
if (pkt->dts != AV_NOPTS_VALUE &&
pkt->pts == AV_NOPTS_VALUE &&
st->last_IP_duration > 0 &&
(st->cur_dts - next_dts) <= 1 &&
((uint64_t)st->cur_dts - (uint64_t)next_dts + 1) <= 2 &&
next_dts != next_pts &&
next_pts != AV_NOPTS_VALUE)
pkt->pts = next_dts;