https://obsproject.com/forum/threads/zoom-sees-v42lsink-virtual-webcam-but-doesnt-display-video.125619/
Zoom sees v42lsink virtual webcam but doesn't display video | OBS Forums
I've set up v4l2loopback as root in PCLinuxOS 2020 with OBS-Studio and obs-v4l2sink (both at version 25.0.8-4) with modprobe v4l2loopback...