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authorMichael Niedermayer <michaelni@gmx.at>2013-08-06 16:02:33 +0200
committerMichael Niedermayer <michaelni@gmx.at>2013-08-06 16:07:37 +0200
commit91062ddef18e94d54e4b37b288c77c11947d8756 (patch)
treefe6cd81b188e5b040ef4e6a98bd943675ca16164 /libavcodec
parentf606c6e92c63e914d3e44052fde9005d5bec1249 (diff)
parent43bacd5b7d3d265a77cd29d8abb131057796aecc (diff)
downloadffmpeg-91062ddef18e94d54e4b37b288c77c11947d8756.tar.gz
Merge commit '43bacd5b7d3d265a77cd29d8abb131057796aecc'
* commit '43bacd5b7d3d265a77cd29d8abb131057796aecc': vc1: check mb_height validity. See: b5f4836f8cb374f1a5ae45db48b61a1dfba0daad Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/vc1dec.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c
index 3aeb90f852..49facd273e 100644
--- a/libavcodec/vc1dec.c
+++ b/libavcodec/vc1dec.c
@@ -6052,6 +6052,9 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
s->uvlinesize <<= 1;
}
mb_height = s->mb_height >> v->field_mode;
+
+ av_assert0 (mb_height > 0);
+
for (i = 0; i <= n_slices; i++) {
if (i > 0 && slices[i - 1].mby_start >= mb_height) {
if (v->field_mode <= 0) {