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In openCV cv2.VideoCapture() , I want receive video stream from webRTC server Only Janus webRTC of node.js is available.

How can it be implemented?

You should be able to use GStreamer for that.

cv2.VideoCapture() accepts a GStreamer pipeline, so you can use the webrtcbin and appsink plugins combined to receive a stream from any WebRTC client (including Janus).

Check out these links for guidance on how to do so:

https://answers.opencv.org/question/202017/how-to-use-gstreamer-pipeline-in-opencv/ https://gstreamer.freedesktop.org/documentation/webrtc/index.html?gi-language=python https://gstreamer.freedesktop.org/documentation/application-development/basics/init.html?gi-language=python

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