virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00
Code Issues Releases Activity

lavf: Dont compare absolute to relative timestamps in duration gcd

Browse Source 
This prevents a division by 0

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-11-09 14:54:43 +01:00
parent 4c6e7c2d4d
commit 7ec1fe1f47
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libavformat/utils.c
View File

@ -2729,7 +2729,7 @@ int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options)
}
st->info->duration_count++;
// ignore the first 4 values, they might have some random jitter
if (st->info->duration_count > 3)
if (st->info->duration_count > 3 && is_relative(pkt->dts) == is_relative(last))
st->info->duration_gcd = av_gcd(st->info->duration_gcd, duration);
}
if (pkt->dts != AV_NOPTS_VALUE)