Use of capsfilter

Wed Nov 28 23:26:59 PST 2012

To add to above question, the following difference in caps  tried in
gst-launch makes no difference in my video output. where qtdemux have
following caps:

SINK template: 'sink'
    Availability: Always
    Capabilities:
      video/quicktime
      video/mj2
      audio/x-m4a
      application/x-3gp

gst-launch filesrc location=IceAge.mp4 ! capsfilter
caps="video/mj2,format=(fourcc)AYUV" ! qtdemux name=myqtdemux myqtdemux.!
queue ! myvideo ! mydisplaysink myqtdemux.! queue ! myaudio

gst-launch filesrc location=IceAge.mp4 ! capsfilter
caps="video/quicktime,format=GRAY8" ! qtdemux name=myqtdemux myqtdemux.!
queue ! myvideo ! mydisplaysink myqtdemux.! queue ! myaudio

gst-launch filesrc location=IceAge.mp4 ! capsfilter
caps="video/quicktime,width=320,height=240" ! qtdemux name=myqtdemux
myqtdemux.! queue ! myvideo ! mydisplaysink myqtdemux.! queue ! myaudio

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