From bf2e54174eb24e3271ff22ca6cec2e55a6899350 Mon Sep 17 00:00:00 2001
From: Peter Ross <pross@xvid.org>
Date: Sun, 9 Jan 2011 02:21:30 +0000
Subject: [PATCH] wtv: stop processing chunks if length is smaller than chunk
 header

Originally committed as revision 26275 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavformat/wtv.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavformat/wtv.c b/libavformat/wtv.c
index a178eb2d89..0e7db9850e 100644
--- a/libavformat/wtv.c
+++ b/libavformat/wtv.c
@@ -363,6 +363,8 @@ static int parse_chunks(AVFormatContext *s, int mode, int64_t seekts, int *len_p
             return AVERROR_EOF;
 
         len = get_le32(pb);
+        if (len < 32)
+            break;
         sid = get_le32(pb) & 0x7FFF;
         url_fskip(pb, 8);
         consumed = 32;