Are you sure about that? Logitech sells H264-encoding cameras which do yuvj420p ( which is full range as I understand it ). YT and other platforms have no prob

Are you sure about that? Logitech sells H264-encoding cameras which do yuvj420p ( which is full range as I understand it ). YT and other platforms have no problem ingesting these videos. Also the RPi Broadcom chipset does not seem to care.