So thanks to TPmodding, I am pretty much up and running using WLED (thanks for the suggestion!)
I initially had some issue getting things set up, until I realised that I was running the old version of Hyperion and HyperCon :p
I am currently using 2.0.0 alpha5. To my surprise, my cheapo capture card from Aliexpress which was meant to be an STK1160 and isn't, started working and auto-detected when I installed v2alpha5. I didn't think it was compatible, so it was a nice surprise! After much testing and calibration (and reboots) I shut down and moved everything to it's final resting place, but when I booted up again it doesn't show a signal from the card o_O
It's still listed under lsusb:
And v4l2:
and in Hyperion:
But no longer in Hyperion's source selector:
But it definitely was before.
I have tried manually entering /dev/video0 and /dev/video1, no joy.
How can I get this card working again? It obviously is capable of working, and it worked really well! I fail to understand how a reboot has killed it from being usable? o_O