tests-ncl/test-video-fullhd-4grid.ncl

<ncl>
  <head>
    <regionBase>
      <region id='reg1' left='0' top='0' width='50%' height='50%'/>
      <region id='reg2' left='50%' top='0' width='50%' height='50%'/>
      <region id='reg3' left='0' top='50%' width='50%' height='50%'/>
      <region id='reg4' left='50%' top='50%' width='50%' height='50%'/>
    </regionBase>
    <descriptorBase>
      <descriptor id="desc1" region="reg1"/>
      <descriptor id="desc2" region="reg2"/>
      <descriptor id="desc3" region="reg3"/>
      <descriptor id="desc4" region="reg4"/>
    </descriptorBase>
  </head>
  <body>
    <port id="start1" component="m1"/>
    <port id="start2" component="m2"/>
    <media id="m1" src='samples/bunny.ogg' descriptor="desc1"/>
    <media id="m2" src='samples/bunny.ogg' descriptor="desc2"/>
    <port id="startctx" component="ctx"/>
    <context id="ctx">
      <port id="start3" component="m3"/>
      <port id="start4" component="m4"/>
      <media id="m3" src='samples/bunny.ogg' descriptor="desc3"/>
      <media id="m4" src='samples/bunny.ogg' descriptor="desc4"/>
    </context>
  </body>
</ncl>