diff options
author | Michael Niedermayer <michaelni@gmx.at> | 2014-12-09 05:31:30 +0100 |
---|---|---|
committer | Michael Niedermayer <michaelni@gmx.at> | 2014-12-09 06:13:32 +0100 |
commit | a5e5959d52860678d028df07ad1351a11aaf47f7 (patch) | |
tree | 56795002bec7d7818054bd1a938099fafba30de2 | |
parent | 720dffb843aa780d25b7be224c63ffc0aba13671 (diff) | |
download | ffmpeg-a5e5959d52860678d028df07ad1351a11aaf47f7.tar.gz |
avformat/utils: fix calculating the absolute difference of timestamps
we dont use FFABS(a-b) as that could result in undefined behavior if it overflows
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
-rw-r--r-- | libavformat/utils.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/utils.c b/libavformat/utils.c index 3246da67ed..3447b35c79 100644 --- a/libavformat/utils.c +++ b/libavformat/utils.c @@ -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; |