Originally committed as revision 24251 to svn://svn.ffmpeg.org/ffmpeg/trunk
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;