Re:FaceTime on the web requires Chrome or Edge, no mention o...
by lxgr on Tuesday June 08, 2021 @05:39PM
(#27441237)
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/