vaapih264dec had two srcpad

[Stephenwei]

Hi all,A simple common line  as below:gst-launch-1.0 filesrc
location=demo0.mkv ! matroskademux ! vaapih264dec ! videoconvert !
ximagesinkAnd get the twice src padGet content from element
'vaapidecode_h264-0': gst.gl.GLDisplay=context,
gst.gl.GLDisplay=(GstGLDisplay)"\(GstGLDisplayX11\)\ gldisplayx11-0";Get
content from element 'vaapidecode_h264-0': gst.vaapi.Display=context,
gst.vaapi.Display=(GstVaapiDisplay)"\(GstVaapiDisplayGLX\)\
vaapidisplayglx1";It is a problem because if I create a pipeline and destroy
it, the process would remain "gldisplay-event".First play demo0 and demo1
mkv file as well as stop pipeline and re-play again.
<http://gstreamer-devel.966125.n4.nabble.com/file/t377803/1.png> 
<http://gstreamer-devel.966125.n4.nabble.com/file/t377803/2.png> Have any
suggestion?Thanks,Stephen



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