From 95f90d27d213fc3b9ca238a542728cd36a7583c7 Mon Sep 17 00:00:00 2001
From: Reinhard Tartler <siretart@tauware.de>
Date: Tue, 9 Feb 2010 18:24:30 +0000
Subject: [PATCH] Disable parsing for ogg streams where no ogg header was
 found, if no header was found the parser was not initialized and thus will
 crash when trying to use it.

Originally committed as revision 21708 to svn://svn.ffmpeg.org/ffmpeg/branches/0.5
---
 libavformat/oggdec.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libavformat/oggdec.c b/libavformat/oggdec.c
index 28dc56eeb9..54406f5479 100644
--- a/libavformat/oggdec.c
+++ b/libavformat/oggdec.c
@@ -477,12 +477,17 @@ static int
 ogg_read_header (AVFormatContext * s, AVFormatParameters * ap)
 {
     struct ogg *ogg = s->priv_data;
+    int i;
     ogg->curidx = -1;
     //linear headers seek from start
     if (ogg_get_headers (s) < 0){
         return -1;
     }
 
+    for (i = 0; i < ogg->nstreams; i++)
+        if (ogg->streams[i].header < 0)
+            ogg->streams[i].codec = NULL;
+
     //linear granulepos seek from end
     ogg_get_length (s);