Qt Mobility using Gstreamer CPU Usage

  • I am trying to use Qt Mobility to run video on embedded linux system.
    when I use the gstreamer directly (gst-launch playbin2 uri=file://video-file.avi) the CPU is ~20%,
    but when I use the QtMobility(Video element of QtMultimediaKit) the CPU is ~100% usage.
    I see from the outputs that the qt use the gstreamer, but it's not efficient.

    Any idea what is wrong here?

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