[cvs-annodex] commit (/annodex): standards/draft-pfeiffer-cmml-current.xml

silvia nobody at lists.annodex.net
Tue Feb 15 10:35:00 EST 2005


Update of /annodex (new revision 908)

Modified files:
   standards/draft-pfeiffer-cmml-current.xml

Log Message:
Added paragraph describing what you lose by just mapping CMML into Ogg without skeleton.



Modified: standards/draft-pfeiffer-cmml-current.xml
===================================================================
--- standards/draft-pfeiffer-cmml-current.xml	2005-02-14 23:29:26 UTC (rev 907)
+++ standards/draft-pfeiffer-cmml-current.xml	2005-02-14 23:34:59 UTC (rev 908)
@@ -1538,7 +1538,7 @@
 
         <t>A default granule rate for CMML is: 1/1000. The default
         granule shift used is 32, which halfs the granule position to
-        allow for the packwards pointer to be public.
+        allow for the backwards pointer to be public.
         </t>
 
 	<t>The media mapping for CMML into Ogg is as follows:
@@ -1555,6 +1555,13 @@
           </list>
         </t>
 
+        <t>If CMML is encapsulated in Ogg without the skeleton bitstream,
+        it potentially loses time information. The basetime will then be
+        mapped always to 0 and utc time mappings cannot be represented.
+        It also loses all the message header fields which contain
+        machine-readable meta information on the physical bitstream.
+        </t>
+
       </section>
 
       <section title="Using CMML to author Annodex bitstreams">


-- 
silvia



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