libavcodec/mpegvideo.c:821: error: Uninitialized Value
  The value read from mb_array_size was never initialized.

libavcodec/mpegvideo.c:821:9: 
819. 
820.     if (s->width && s->height) {
821.         FF_ALLOCZ_OR_GOTO(s->avctx, s->error_status_table,
             ^
822.                           mb_array_size * sizeof(uint8_t), fail);
823. 
