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lavc/utils: fix division by 0

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Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-05-10 17:36:49 +02:00
parent 91e72e3514
commit 8ea5df4fac
1 changed files with 2 additions and 2 deletions
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4
libavcodec/utils.c
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@ -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 */