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| author | Laurent Aimar <fenrir@videolan.org> | 2011-09-21 20:46:30 +0200 |
|---|---|---|
| committer | Reinhard Tartler <siretart@tauware.de> | 2012-03-18 17:50:30 +0100 |
| commit | efe3fb13a79957ea94f2766c3f3e502ae775eace (patch) | |
| tree | 2aa0d8755b4d4748798b493ec40fb9b1de27e50d | |
| parent | 987f5dc55ed5b1d882ad8d8adb3e51b4e3aa4679 (diff) | |
| download | ffmpeg-efe3fb13a79957ea94f2766c3f3e502ae775eace.tar.gz | |
vp56: Check for missing reference frame data
Signed-off-by: Janne Grunau <janne-libav@jannau.net>
(cherry picked from commit 0ec6d6e9b682318b5b5b5457e09fbf3c4ca41335)
Signed-off-by: Anton Khirnov <anton@khirnov.net>
| -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 a6b201478e..4fd1341bdb 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; |