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author | Laurent Aimar <fenrir@videolan.org> | 2011-09-21 20:46:30 +0200 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2011-09-22 01:19:15 +0200 |
commit | a5a02ea3f2bb4e89d9ee0e381c938bd83e5c369d (patch) | |
tree | ca15578f03b614b162e3c4a9dea2c682b8fae07f /libavcodec | |
parent | 69b6248327a042155396177eaff009b65bc8fcc8 (diff) | |
download | ffmpeg-a5a02ea3f2bb4e89d9ee0e381c938bd83e5c369d.tar.gz |
Check for missing reference in vp5/6 decoder.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 6a0e78929aa7d6b2c6b598c1589fb0e48fccb132)
Diffstat (limited to 'libavcodec')
-rw-r--r-- | libavcodec/vp56.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/vp56.c b/libavcodec/vp56.c index ad451c251f..cf891763f6 100644 --- a/libavcodec/vp56.c +++ b/libavcodec/vp56.c @@ -399,6 +399,8 @@ static void vp56_decode_mb(VP56Context *s, int row, int col, int is_alpha) frame_current = s->framep[VP56_FRAME_CURRENT]; frame_ref = s->framep[ref_frame]; + if (mb_type != VP56_MB_INTRA && !frame_ref->data[0]) + return; ab = 6*is_alpha; b_max = 6 - 2*is_alpha; |