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How to implement qt/embedded + gstreamer in imx6 with alpha function?

Question asked by lonsn on Jan 12, 2013
Latest reply on Mar 17, 2015 by Sudipta subudhi


I want to implement a qt program including a window to play video using gstreamer. As I know the UI area above the video windows should be transparent.

Timesys theater system is a sample to do this. fb0 is qt program and fb2 is gstreamer video(mfw_v4lsink). But it only support global alpha and color key in fb0. I think I need to  to pixel alpha which can then be supported by qt.

How can implement this function, should I shoud mfw_isink or I can implement with mfw_v4lsink.