@afe66 Ripping a DVD is one thing. Ripping a Blu-ray is a whole other story, especially if it's also being compressed. You're looking at 40GB+ for a single Blu-ray. That's up to 10x bigger than a DVD, so you'd imagine also up to 10x the time it takes to rip a DVD.
Blu-rays have a higher data density, so the time taken to rip does not increase linearly with data size. Encoding time will increase, assuming you're preserving the output resolution, as there is 4x more image data to encode. I doubt that's linear either however, as motion detection etc. will also impact overall efficiency.