From bb6d5411e1e1a8e0608b1af1c4addee654dcbac5 Mon Sep 17 00:00:00 2001
From: "Ronald S. Bultje" <rsbultje@gmail.com>
Date: Tue, 28 Feb 2012 16:13:46 -0800
Subject: [PATCH] asf: don't seek back on EOF.

Seeking back on EOF will reset the EOF flag, causing us to re-enter
the loop to find the next marker in the ASF file, thus potentially
causing an infinite loop.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
---
 libavformat/asfdec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/asfdec.c b/libavformat/asfdec.c
index 01411faf5a..8828eb583c 100644
--- a/libavformat/asfdec.c
+++ b/libavformat/asfdec.c
@@ -761,7 +761,7 @@ static int ff_asf_get_packet(AVFormatContext *s, AVIOContext *pb)
         c= avio_r8(pb);
         d= avio_r8(pb);
         rsize+=3;
-    }else{
+    } else if (!pb->eof_reached) {
         avio_seek(pb, -1, SEEK_CUR); //FIXME
     }