<html><head></head><body><div class="ydpe2f6b6a7yahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px;"><div dir="ltr" data-setdir="false">I made a simple pipeline</div><div dir="ltr" data-setdir="false">gst-launch-1.0 filesrc location=test.mkv ! matroskademux ! h264parse ! vah264dec ! vapostproc ! audovideosink</div><div dir="ltr" data-setdir="false">it works fine in normal speed from command line and in a gstreamer C++ code.</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">But the play speed is very fast when I coded it in my GUI app with qml sink. The pipeline is the same except the sink is different.</div><div dir="ltr" data-setdir="false">What can I do to set proper play rate?</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false"> Joe <br></div></div></body></html>