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| author | Laurent Aimar <fenrir@videolan.org> | 2011-09-21 20:46:30 +0200 |
|---|---|---|
| committer | Janne Grunau <janne-libav@jannau.net> | 2011-10-07 00:25:43 +0200 |
| commit | 0ec6d6e9b682318b5b5b5457e09fbf3c4ca41335 (patch) | |
| tree | 34012165339589f36cdd4def430cd695de761a3c | |
| parent | d239d4b447885cb7c5eee9ce359f34ad6b64f373 (diff) | |
| download | ffmpeg-0ec6d6e9b682318b5b5b5457e09fbf3c4ca41335.tar.gz | |
vp56: Check for missing reference frame data
Signed-off-by: Janne Grunau <janne-libav@jannau.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 5c7e93e5e6..530b890de1 100644 --- a/libavcodec/vp56.c +++ b/libavcodec/vp56.c @@ -401,6 +401,8 @@ 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; |