From c6002ea14d457de10340d1dc907643294a77d504 Mon Sep 17 00:00:00 2001
From: =?utf8?q?M=C3=A5ns=20Rullg=C3=A5rd?= <mans@mansr.com>
Date: Fri, 18 Jul 2008 01:07:17 +0000
Subject: [PATCH] MPEGTS: Improve probe function

When a sync byte is found, check that transport_error_indicator is zero,
and adaptation_field_control is valid (non-zero).

Originally committed as revision 14274 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavformat/mpegts.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c
index a10f5dc..5067f77 100644
--- a/libavformat/mpegts.c
+++ b/libavformat/mpegts.c
@@ -347,8 +347,8 @@ static int analyze(const uint8_t *buf, int size, int packet_size, int *index){
 
     memset(stat, 0, packet_size*sizeof(int));
 
-    for(x=i=0; i<size; i++){
-        if(buf[i] == 0x47){
+    for(x=i=0; i<size-3; i++){
+        if(buf[i] == 0x47 && !(buf[i+1] & 0x80) && (buf[i+3] & 0x30)){
             stat[x]++;
             if(stat[x] > best_score){
                 best_score= stat[x];
-- 
2.7.4