That’s definitely possible, but you won’t be able to do this in real time without more GPU power. And the frame interpolation techniques might not work as well

That’s definitely possible, but you won’t be able to do this in real time without more GPU power. And the frame interpolation techniques might not work as well on a desktop recording. If you can record and process later, you might try recording your desktop in a more raw format. It’ll be very large on disk, but this avoids the need to transcode the recording in real time and strain your GPU/CPU. In ffmpeg just use `-c:v copy` to capture it raw. (Assuming the transcoding is the main limiting factor)