From 36cf247e4302afcb09e995ad1c594d97897d17ba Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Sun, 18 Nov 2012 18:46:05 +0100
Subject: [PATCH] ff_h264_direct_ref_list_init: fix B slice check.
Fixes null pointer dereference.
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
libavcodec/h264_direct.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/h264_direct.c b/libavcodec/h264_direct.c
index ce395a3c56f..9ef58624729 100644
--- a/libavcodec/h264_direct.c
+++ b/libavcodec/h264_direct.c
@@ -131,7 +131,7 @@ void ff_h264_direct_ref_list_init(H264Context * const h){
h->col_fieldoff = 2 * h->ref_list[1][0].f.reference - 3;
}
- if (cur->f.pict_type != AV_PICTURE_TYPE_B || h->direct_spatial_mv_pred)
+ if (h->slice_type_nos != AV_PICTURE_TYPE_B || h->direct_spatial_mv_pred)
return;
for(list=0; list<2; list++){
--
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