I believe it is the HTML canvas. It is very simple to capture a video frame using canvas - see this commented out code: https://github.com/jeremija/peer-calls/b

I believe it is the HTML canvas. It is very simple to capture a video frame using canvas - see this commented out code: https://github.com/jeremija/peer-calls/blob/6b865a78bbb4e64e981212b0a0e741741f8f9196/src/client/components/Input.tsx#L61-L72 https://github.com/jeremija/peer-calls/blob/6b865a78bbb4e64e...