Merge commit '43bacd5b7d3d265a77cd29d8abb131057796aecc'

* commit '43bacd5b7d3d265a77cd29d8abb131057796aecc':
  vc1: check mb_height validity.

See: b5f4836f8c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-08-06 16:02:33 +02:00
commit 91062ddef1

View file

@ -6052,6 +6052,9 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
s->uvlinesize <<= 1; s->uvlinesize <<= 1;
} }
mb_height = s->mb_height >> v->field_mode; mb_height = s->mb_height >> v->field_mode;
av_assert0 (mb_height > 0);
for (i = 0; i <= n_slices; i++) { for (i = 0; i <= n_slices; i++) {
if (i > 0 && slices[i - 1].mby_start >= mb_height) { if (i > 0 && slices[i - 1].mby_start >= mb_height) {
if (v->field_mode <= 0) { if (v->field_mode <= 0) {