IDEA: Support Pipewire camera source, as an alternative to v4l2loopback

[gdamjan]

Both Firefox and Chrome(ium) should be able to access the camera over pipewire (and OBS soon), instead of using the camera/v4l2 device directly. That allows us to have a fake camera as a completely user-space pipewire source.

https://jgrulich.cz/2024/01/30/how-to-use-pipewire-camera-in-firefox/
https://jgrulich.cz/2023/11/24/pipewire-camera-support-in-firefox-2/
https://jgrulich.cz/2023/05/29/pipewire-camera-support-in-firefox/
https://9to5linux.com/pipewire-camera-support-is-coming-to-obs-studio-for-linux-desktops

[gdamjan]

also https://www.youtube.com/watch?v=fOCwsV4soik