From: Michael Niedermayer <michaelni@gmx.at>
Date: Fri, 16 Feb 2007 21:29:15 +0000 (+0000)
Subject: fix ref_count check
X-Git-Tag: v0.5~10059
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0565c648343cb7d1220da903308ff0aaf89d96b8;p=platform%2Fupstream%2Flibav.git

fix ref_count check

Originally committed as revision 7997 to svn://svn.ffmpeg.org/ffmpeg/trunk
---

diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index 7ec0e6c..41bdc22 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -7922,7 +7922,7 @@ static inline int decode_picture_parameter_set(H264Context *h, int bit_length){
     }
     pps->ref_count[0]= get_ue_golomb(&s->gb) + 1;
     pps->ref_count[1]= get_ue_golomb(&s->gb) + 1;
-    if(pps->ref_count[0] > 32 || pps->ref_count[1] > 32){
+    if(pps->ref_count[0]-1 > 32-1 || pps->ref_count[1]-1 > 32-1){
         av_log(h->s.avctx, AV_LOG_ERROR, "reference overflow (pps)\n");
         pps->ref_count[0]= pps->ref_count[1]= 1;
         return -1;