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vp8: Check for malloc failure

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Originally committed as revision 24251 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
David Conrad 2010-07-16 07:20:31 +00:00
parent a711eb4829
commit b6c420ce8f
1 changed files with 3 additions and 0 deletions
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libavcodec/vp8.c
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@ -225,6 +225,9 @@ static int update_dimensions(VP8Context *s, int width, int height)
s->intra4x4_pred_mode_base = av_mallocz(s->b4_stride*(4*s->mb_height+1));
s->top_nnz = av_mallocz(s->mb_width*sizeof(*s->top_nnz));
if (!s->macroblocks_base || !s->intra4x4_pred_mode_base || !s->top_nnz)
return AVERROR(ENOMEM);
s->macroblocks = s->macroblocks_base + 1 + s->mb_stride;
s->intra4x4_pred_mode = s->intra4x4_pred_mode_base + 4 + s->b4_stride;