<html><head></head><body><div class="yahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px;"><div dir="ltr" data-setdir="false"><div><div dir="ltr" data-setdir="false">I am trying to use qml sink inside a qwidget and play video with a gstreamer pipeline. What I am doing is to load a qml sink</div><div dir="ltr" data-setdir="false">and lay it out in a simple qwidget. <br></div><div><br></div><div>When I start to play the video, I get the following error:<br></div><div><br></div><div>error Could not initialize window system<br></div><p> Debugging info: <a href="http://gstqtsink.cc" rel="nofollow" target="_blank">gstqtsink.cc</a>(309): gst_qt_sink_change_state (): /GstGLSinkBin:glsinkbin0/GstQtSink:sink</p> <p>Pure qml code works fine. What is wrong?<br></p></div><div><br></div></div></div></body></html>