From b17270878e53de0c444b51a20b929187fceb9631 Mon Sep 17 00:00:00 2001
From: Panagiotis Issaris <takis.issaris@uhasselt.be>
Date: Wed, 5 Dec 2007 18:02:48 +0000
Subject: [PATCH] Verify long_ref_count!=0. Fix issue 281.
Originally committed as revision 11171 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
libavcodec/h264.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index 19d83197ad..298faa69d8 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -3662,7 +3662,7 @@ static int decode_ref_pic_marking(H264Context *h, GetBitContext *gb){
}else{
assert(h->long_ref_count + h->short_ref_count <= h->sps.ref_frame_count);
- if(h->long_ref_count + h->short_ref_count == h->sps.ref_frame_count &&
+ if(h->short_ref_count && h->long_ref_count + h->short_ref_count == h->sps.ref_frame_count &&
!(FIELD_PICTURE && !s->first_field && s->current_picture_ptr->reference)) {
h->mmco[0].opcode= MMCO_SHORT2UNUSED;
h->mmco[0].short_pic_num= h->short_ref[ h->short_ref_count - 1 ]->frame_num;