superdev wrote on Sat, 07 January 2023 11:05

...
Video player.

Interesting!

So that would imply that you need one window area capable of updating much faster than 40ms, while you want to keep GUI.

I guess you will need to go a bit deeper for this one. Probably the part handling videooutput running in separate thread, then you have to connect with it through low-level stuff, like HWND in Windows (and that part will be host specific).