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by lxgr 1841 days ago
Zoom does very weird things in the browser. They essentially don‘t use WebRTC, but rather grab raw camera frames, H.264 encode them in software (using WASM!) and shove them down a Websocket (or WebRTC Data Connection. This lets them use their own encryption as well.

More details: https://webrtchacks.com/zoom-avoids-using-webrtc/