How can I create a mosaic in Gstreamer? How can I set "sink_0::xpos=0 sink_0::ypos=0 sink_0::alpha=0" in Python?

[Giacomo D]

Thanks a lot Arjen!

But when I do:

       self.uridecodebin4.link(self.videoformatconverter4)
       self.videoformatconverter4.link(self.videoscale4)
       self.videoscale4.link(self.camerafilter4)
       self.camerafilter4.link(self.videomixer.sink_1)

I get this error: "AttributeError: '__main__.GstVideoMixer2' object has no
attribute 'sink_1'"

Can you help me?

And where can I find more documentation and how can I implement "compositor"
in Python?

Thanks very much,
Giacomo



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