This makes it seem easy....
Yes, but he is doing it to video files already in computer, the types of .mov or .mp4 for instance.
Once again I would appreciate if someone more knowledgeable would chime in about Blu-ray movie file type and how easy or not it could be converted into one of those types PS can work with. I just don’t believe movie producers would allow such trivial copying from Blu-ray disks to a computer.
https://lifehacker.com/5559007/the-hassle-free-guide-to-ripping-your-blu-ray-collection