From 2a1c3b8b907afdf44f0f30ae919fd7b46b7b70e0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Reimar=20D=C3=B6ffinger?= <Reimar.Doeffinger@gmx.de>
Date: Wed, 7 Feb 2007 22:51:42 +0000
Subject: [PATCH] 10l, forgot to skip payload description in UMF packet parsing

Originally committed as revision 7878 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavformat/gxf.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/libavformat/gxf.c b/libavformat/gxf.c
index 897cdade0f..189f56a417 100644
--- a/libavformat/gxf.c
+++ b/libavformat/gxf.c
@@ -360,10 +360,11 @@ static int gxf_header(AVFormatContext *s, AVFormatParameters *ap) {
         }
     }
     if (pkt_type == PKT_UMF) {
-        if (len >= 9) {
+        if (len >= 0x39) {
             AVRational fps;
-            len -= 9;
-            url_fskip(pb, 5);
+            len -= 0x39;
+            url_fskip(pb, 5); // preamble
+            url_fskip(pb, 0x30); // payload description
             fps = fps_umf2avr(get_le32(pb));
             if (!main_timebase.num || !main_timebase.den) {
                 // this may not always be correct, but simply the best we can get