From 6a0e78929aa7d6b2c6b598c1589fb0e48fccb132 Mon Sep 17 00:00:00 2001 From: Laurent Aimar Date: Wed, 21 Sep 2011 20:46:30 +0200 Subject: [PATCH] Check for missing reference in vp5/6 decoder. Signed-off-by: Michael Niedermayer --- libavcodec/vp56.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/vp56.c b/libavcodec/vp56.c index 0c6f45a767..f3ffa44a51 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;