From 73fb23dc5a5b0d91491c8c4645134e2f7a9e6965 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Tue, 18 Oct 2011 14:08:06 +0200
Subject: mpeg12_parser: make mpegvideo_split() more robust I just found this
 issue while debuging, i dont have a testcase.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
 libavcodec/mpegvideo_parser.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'libavcodec/mpegvideo_parser.c')

diff --git a/libavcodec/mpegvideo_parser.c b/libavcodec/mpegvideo_parser.c
index bcbe1f112d..25028a9eb1 100644
--- a/libavcodec/mpegvideo_parser.c
+++ b/libavcodec/mpegvideo_parser.c
@@ -164,10 +164,13 @@ static int mpegvideo_split(AVCodecContext *avctx,
 {
     int i;
     uint32_t state= -1;
+    int found=0;
 
     for(i=0; i<buf_size; i++){
         state= (state<<8) | buf[i];
-        if(state != 0x1B3 && state != 0x1B5 && state < 0x200 && state >= 0x100)
+        if(state == 0x1B3){
+            found=1;
+        }else if(found && state != 0x1B5 && state < 0x200 && state >= 0x100)
             return i-3;
     }
     return 0;
-- 
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