I haven't looked this codebase yet, but a screenshot every few seconds isn't a noticeable slowdown on most machines. At such slow rates you don't need to creat

I haven't looked this codebase yet, but a screenshot every few seconds isn't a noticeable slowdown on most machines. At such slow rates you don't need to create video - you just keep the individual images. OCR doesn't need to be real-time, but can be done in batch mode or when the machine is idle.