[www] r931 - trunk/www.matroska.org/data/technical/specs/codecid

Author: mosu
Date: 2005-04-25 13:23:48 +0400 (Mon, 25 Apr 2005)
New Revision: 931

Modified:
   trunk/www.matroska.org/data/technical/specs/codecid/index.html
Log:
content: Clarified the CodecPrivate layout for A_VORBIS.


Modified: trunk/www.matroska.org/data/technical/specs/codecid/index.html
===================================================================
--- trunk/www.matroska.org/data/technical/specs/codecid/index.html	2005-04-21 20:22:38 UTC (rev 930)
+++ trunk/www.matroska.org/data/technical/specs/codecid/index.html	2005-04-25 09:23:48 UTC (rev 931)
@@ -262,12 +262,24 @@
   <tr>
     <td>A_VORBIS</td>
     <td>Vorbis</td>
-    <td>The private data contains the 3 first Vorbis packet in order. That means
-      <a href="http://www.xiph.org/ogg/vorbis/doc/vorbis-spec-ref.html">Identification
-      Header</a>, followed by <a href="http://www.xiph.org/ogg/vorbis/doc/v-comment.html">Vorbis
-      Comment</a> followed by <a href="http://www.xiph.org/ogg/vorbis/doc/vorbis-spec-ref.html">Codec
-      Setup</a>. The format of these data and how to differentiate them has to
-      be defined ??? It should be the same as in the OGG container.</td>
+    <td>The private data contains the first three Vorbis packet in order. The
+     lengths of the packets precedes them. The actual layout is:<br/>
+
+     Byte 1: number of distinct packets '<code>#p</code>' minus one inside the
+     CodecPrivate block. This should be '2' for current Vorbis headers.<br/>
+
+     Bytes 2..n: lengths of the first '<code>#p</code>' packets, coded in
+     <a href="index.html#lacing">Xiph-style lacing</a>. The length of the last
+     packet is the length of the CodecPrivate block minus the lengths coded in
+     these bytes.<br/>
+
+     Bytes n+1..: The
+     <a href="http://www.xiph.org/ogg/vorbis/doc/vorbis-spec-ref.html"> Vorbis
+      identification header</a>, followed by the
+     <a href="http://www.xiph.org/ogg/vorbis/doc/v-comment.html"> Vorbis
+      comment header</a> followed by the
+     <a href="http://www.xiph.org/ogg/vorbis/doc/vorbis-spec-ref.html">
+      codec setup header</a>.</td>
   </tr>
   <tr>
     <td>A_FLAC</td>