From a1f6643d6287a79507968e304aab530fe5a427b6 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Mon, 14 May 2007 23:22:02 +0000
Subject: [PATCH] dont write over the end of ref_cache

Originally committed as revision 9026 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/svq3.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavcodec/svq3.c b/libavcodec/svq3.c
index eb79169e00..93e3cb3742 100644
--- a/libavcodec/svq3.c
+++ b/libavcodec/svq3.c
@@ -480,7 +480,6 @@ static int svq3_decode_mb (H264Context *h, unsigned int mb_type) {
         N??11111
         N??11111
         N??11111
-        N
     */
 
     for (m=0; m < 2; m++) {
@@ -939,7 +938,8 @@ static int svq3_decode_frame (AVCodecContext *avctx,
       int j;
       for(j=-1; j<4; j++)
         h->ref_cache[m][scan8[0] + 8*i + j]= 1;
-      h->ref_cache[m][scan8[0] + 8*i + j]= PART_NOT_AVAILABLE;
+      if(i<3)
+        h->ref_cache[m][scan8[0] + 8*i + j]= PART_NOT_AVAILABLE;
     }
   }