Receive webRTC video stream using python OpenCV in real-time

https://webrtchacks.com/webrtc-cv-tensorflow/ shows a fairly in-depth tutorial for doing WebRTC + tensorflow. You can probably swap out tensorflow for opencv easily. This captures a frame from the webcam and sends it using HTTP every once in a while. If you want to go more realtime than that you will have to use WebRTC on the server, e.g. using https://github.com/jlaine/aiortc

I'm the author of aiortc. Have you checked out the server example, as it illustrates how to process video using OpenCV?

https://github.com/jlaine/aiortc/tree/master/examples/server