12-21-2010, 11:45 PM
I would rip the entire dvd, then merge the VOB files and then convert. A program such as D-vision will merge the VOB files. It's free. I'm sure that there may be other options.
D-vision: http://d-vision.en.softonic.com/mac
D-vision: http://d-vision.en.softonic.com/mac