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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-04-01 19:18:34 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-04-01 22:09:23 +0200 |
| commit | 679a315424e6ffaafd21ebf7a86108bd4e743793 (patch) | |
| tree | 98ed2a68802ac0c30ba4f35cb92149d06e8b6730 | |
| parent | 5f23d8b405fa24496c909f373a1b28454740ef16 (diff) | |
| download | ffmpeg-679a315424e6ffaafd21ebf7a86108bd4e743793.tar.gz | |
avformat/oggparsedaala: Check duration for AV_NOPTS_VALUE
This avoids an integer overflow
the solution matches oggparsevorbis.c and 45581ed15d2ad5955e24d809820c1675da68f500
Fixes: 700242
Found-by: Thomas Guilbert <tguilbert@google.com>
Reviewed-by: Rostislav Pehlivanov <atomnuker@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/oggparsedaala.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/oggparsedaala.c b/libavformat/oggparsedaala.c index 89bda58994..ce65b2bd7a 100644 --- a/libavformat/oggparsedaala.c +++ b/libavformat/oggparsedaala.c @@ -232,7 +232,7 @@ static int daala_packet(AVFormatContext *s, int idx) os->lastpts = os->lastdts = daala_gptopts(s, idx, os->granule, NULL) - duration; if(s->streams[idx]->start_time == AV_NOPTS_VALUE) { s->streams[idx]->start_time = os->lastpts; - if (s->streams[idx]->duration) + if (s->streams[idx]->duration != AV_NOPTS_VALUE) s->streams[idx]->duration -= s->streams[idx]->start_time; } } |