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riff: fix division by zero for G726 

Fixes CID717752
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-10-16 19:56:05 +02:00
parent 9de5b11d58
commit 340305646a
1 changed files with 1 additions and 1 deletions
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2
libavformat/riff.c
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@ -661,7 +661,7 @@ int ff_get_wav_header(AVIOContext *pb, AVCodecContext *codec, int size)
codec->sample_rate = 0;
}
/* override bits_per_coded_sample for G.726 */
if (codec->codec_id == AV_CODEC_ID_ADPCM_G726)
if (codec->codec_id == AV_CODEC_ID_ADPCM_G726 && codec->sample_rate)
codec->bits_per_coded_sample = codec->bit_rate / codec->sample_rate;
return 0;