I think this detailed description reflect nicely how high-speed non-uvc data capture work

https://github.com/simoninns/DomesdayDuplicator/wiki/Hardware-Guide

for better or worse you can't just connect usual analog output to it.

Somewhat related:

https://www.windytan.com/2019/08/capturing-pal-video-with-sdr-and-few.html?m=1

(no code).

older fx2 experiments, there by now seems to be whole library of programs for those older devices in digital instrumentation sector

http://www.triplespark.net/elec/periph/USB-FX2/

Some documentation on earlier  sgi board called Sirius, you can see board was 10-bit internally but small font around analog inputs said they are 8bit really!

http://www.sgistuff.net/hardware/video/documents/007-2238-003-siriusvideo.pdf

--
Cin mailing list
Cin@lists.cinelerra-gg.org
https://lists.cinelerra-gg.org/mailman/listinfo/cin