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avcodec/fmvc: Fix use of uninitialized memory when the first frame is not a keyframe 

Fixes: fmvc-poc.avi

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Max Justicz 2017-05-23 11:22:35 +02:00 committed by Michael Niedermayer
parent a1652aca7e
commit 3766aa7343
1 changed files with 2 additions and 2 deletions
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4
libavcodec/fmvc.c
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@ -596,8 +596,8 @@ static av_cold int decode_init(AVCodecContext *avctx)
s->bpp = avctx->bits_per_coded_sample >> 3;
s->buffer_size = avctx->width * avctx->height * 4;
s->pbuffer_size = avctx->width * avctx->height * 4;
s->buffer = av_malloc(s->buffer_size);
s->pbuffer = av_malloc(s->pbuffer_size);
s->buffer = av_mallocz(s->buffer_size);
s->pbuffer = av_mallocz(s->pbuffer_size);
if (!s->buffer || !s->pbuffer)
return AVERROR(ENOMEM);