It'd be easier if you have a dual-core processor such as Intel Core 2 Duo, of course I'm not absolutely sure about this, since I still have a single core Pentium 4 processor. Another method is to record your movie with a VCR or DVD recorder through the TV Out port and then record it back on your PC with a TV capturer (in case of the VCR) or, if you have a DVD-RAM compatible drive, load the DVD you recorded and then make the corresponding edition and compression.