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| author | Michael Niedermayer <michaelni@gmx.at> | 2012-05-10 17:36:49 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2012-05-10 17:36:49 +0200 |
| commit | 8ea5df4fac57acf8a6e8cf575502ccd3dd776f57 (patch) | |
| tree | 0f1adf80602f5c8de1cb98fd1dd3da126f7cc74c /libavcodec/utils.c | |
| parent | 91e72e35141f590c38985ad0ae3453a4e9e86b8a (diff) | |
| download | ffmpeg-8ea5df4fac57acf8a6e8cf575502ccd3dd776f57.tar.gz | |
lavc/utils: fix division by 0
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/utils.c')
| -rw-r--r-- | libavcodec/utils.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/utils.c b/libavcodec/utils.c index c915de6a06..223dd3c063 100644 --- a/libavcodec/utils.c +++ b/libavcodec/utils.c @@ -2070,8 +2070,8 @@ int av_get_audio_frame_duration(AVCodecContext *avctx, int frame_bytes) bps = av_get_exact_bits_per_sample(avctx->codec_id); /* codecs with an exact constant bits per sample */ - if (bps > 0 && ch > 0 && frame_bytes > 0) - return (frame_bytes * 8) / (bps * ch); + if (bps > 0 && ch > 0 && frame_bytes > 0 && ch < 32768 && bps < 32768) + return (frame_bytes * 8LL) / (bps * ch); bps = avctx->bits_per_coded_sample; /* codecs with a fixed packet duration */ |