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Fix PCM DVD divide by zero bug introduced in r14659. Patch supplied by lars dot taeuber at gmx dot net.

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Originally committed as revision 14864 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Peter Ross 2008-08-20 11:05:15 +00:00
parent ab2a942ad8
commit 2cd04cf919
1 changed files with 3 additions and 2 deletions
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5
libavcodec/pcm.c
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@ -350,11 +350,12 @@ static int pcm_decode_frame(AVCodecContext *avctx,
sample_size = av_get_bits_per_sample(avctx->codec_id)/8;
n = avctx->channels * sample_size;
/* av_get_bits_per_sample returns 0 for CODEC_ID_PCM_DVD */
if (CODEC_ID_PCM_DVD == avctx->codec_id)
/* 2 samples are interleaved per block in PCM_DVD */
n = 2 * avctx->channels * avctx->bits_per_sample/8;
sample_size = avctx->bits_per_sample * 2 / 8;
n = avctx->channels * sample_size;
if(n && buf_size % n){
av_log(avctx, AV_LOG_ERROR, "invalid PCM packet\n");