Avermedia Live Gamer ULTRA GC553

Someone also apparently was able to send 10bit data as 

as greyscale planes, just assembling them back was not easy!

https://stackoverflow.com/questions/71500311/how-to-process-a-raw-10-bit-video-signal-with-opencv-to-avoid-purple-distorted

usb videoclass stuff

https://www.usb.org/document-library/video-class-v15-document-set

I looked at uncompressed ... it confusing a bit, apparently

vendors can augment it?