From 711e69a730904a341652d4999a1d1402bcbb7b6e Mon Sep 17 00:00:00 2001
From: "tralph11@yahoo.com" <tralph11@yahoo.com>
Date: Tue, 20 Oct 2009 15:27:05 +0000
Subject: [PATCH] Improve sofdec dectection to avoid false positives for MP2.

Patch by tralph11, tralph11 yahoo

Originally committed as revision 20333 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavformat/mpeg.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavformat/mpeg.c b/libavformat/mpeg.c
index 8aa43d9448..ad4646786f 100644
--- a/libavformat/mpeg.c
+++ b/libavformat/mpeg.c
@@ -113,6 +113,8 @@ static int mpegps_read_header(AVFormatContext *s,
         m->sofdec++;
     } while (v == sofdec[i] && i++ < 6);
 
+    m->sofdec = (m->sofdec == 6) ? 1 : 0;
+
     /* no need to do more */
     return 0;
 }