Thanks for sharing that!
How I usually do it involves manual work by using gatreamer with usb source and into rtp or even sink it to udp port, I will check this out!
> Capture camera stream, encode it in H264/VP8/VP9, and send it to a RTP server
It says here few encodings but below it’s only h264 package, for others I would have to write my own package I assume? Also, any AV1 support if hw allow it?