From dfbbbdc0bf94d39cbef290decefbc951a809f742 Mon Sep 17 00:00:00 2001
From: Aurelien Jacobs <aurel@gnuage.org>
Date: Sun, 24 Aug 2008 23:57:29 +0000
Subject: [PATCH] matroskadec: don't try to seek to negative timestamp matroska
 timestamps are unsigned

Originally committed as revision 14956 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavformat/matroskadec.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c
index ece7ecf278..d990b58064 100644
--- a/libavformat/matroskadec.c
+++ b/libavformat/matroskadec.c
@@ -1642,6 +1642,9 @@ static int matroska_read_seek(AVFormatContext *s, int stream_index,
     AVStream *st = s->streams[stream_index];
     int index;
 
+    if (timestamp < 0)
+        timestamp = 0;
+
     index = av_index_search_timestamp(st, timestamp, flags);
     if (index < 0)
         return 0;