From d43a7f39fc4ce4bb8148cc34d5fe087de88fb6a5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= <sebastian.droege@collabora.co.uk>
Date: Sat, 29 May 2010 15:10:28 +0200
Subject: [PATCH 3/3] Improve WebM/Matroska magic

---
 freedesktop.org.xml.in |   18 ++++++++++++++++--
 1 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/freedesktop.org.xml.in b/freedesktop.org.xml.in
index 7a7d299..dde5694 100644
--- a/freedesktop.org.xml.in
+++ b/freedesktop.org.xml.in
@@ -2195,7 +2195,14 @@ command to generate the output files.
     <_comment>Matroska stream</_comment>
     <generic-icon name="video-x-generic"/>
     <magic priority="50">
-      <match type="string" value="matroska" offset="8"/>
+      <!-- EBML ID -->
+      <match type="big32" value="0x1a45dfa3" offset="0">
+        <!-- DocumentType ID -->
+        <match type="big16" value="0x4282" offset="5:65">
+          <!-- DocumentType -->
+          <match type="string" value="matroska" offset="8:75"/>
+        </match>
+      </match>
     </magic>
   </mime-type>
   <mime-type type="video/x-matroska">
@@ -2212,7 +2219,14 @@ command to generate the output files.
     <_comment>WebM video</_comment>
     <glob pattern="*.webm"/>
     <magic priority="50">
-      <match type="string" value="webm" offset="8"/>
+      <!-- EBML ID -->
+      <match type="big32" value="0x1a45dfa3" offset="0">
+        <!-- DocumentType ID -->
+        <match type="big16" value="0x4282" offset="5:65">
+          <!-- DocumentType -->
+          <match type="string" value="webm" offset="8:75"/>
+        </match>
+      </match>
     </magic>
   </mime-type>
   <mime-type type="audio/webm">
-- 
1.7.1