Copyright: Copyright 1998-2005  W3C (MIT, ERCIM, Keio), All Rights Reserved.
See http://www.w3.org/Consortium/Legal/.
Author: Muriel Jourdan (Muriel.Jourdan@ERCIMlpes.fr)
           Version: Oct 10th, 2000, v1
            Module: SMIL Timing & Sync Module
           Feature: begin=id.begin with id that is defered
         File Name: begin_begin_syncbaseexcl2.smil
  Media Components: 2 JPG, 1MPG(5.6s)
 Expected Behavior: the video is played for 4s, 
                      then the smile image is shown for 4s, 
                      then a blank of 3s, 
                      then the smile image is shown for 5s 
<smil xmlns="http://www.w3.org/2005/SMIL21/Language">
        <priorityClass peers="defer">
            <video src="../videos/nist.mpg" begin="0s" dur="4s" id="video"/>
            <img src="../images/smile.jpg"  begin="2s" id="smile" dur="4s"/>
            <img src="../images/frown.jpg" id="frown" begin="smile.begin+7s"
                 dur="5s" />