Trying translate working gst-launch command to the API

[RK29]

Hey Guys,
I am trying to do the same with the incoming stream received from webrtc
bin.
But adding the caps filter is messing my stream. I cannot even run it on
command line to debug. Kelly, can you please answer the question as to why
call back does not work when caps is introduced?
here is the link :
http://gstreamer-devel.966125.n4.nabble.com/Waiting-for-the-reply-Unable-to-get-the-sample-from-Appsink-using-C-td4695139.html



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