GNU/Linux Desktop Survival Guide by Graham Williams
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DvRequant: Downsize a DVD

The dvrequant command is not packaged for Debian. It is available as part of the tovid package.

Dvrequant will rip one title from a DVD-9 disk (the usual movie DVDs) and resize it to fit on a DVD-R 4.7. Simply run the command:

$ dvrequant

This creates a sub-directory in the current directory with the name of the DVD. It then extracts the audio (as ac3), probably into a file called langa.ac3. Next the video is ripped, probably to the file video_out.m2v.

The DVD image is constructed (with file name extension iso) and you are asked to insert a blank DVD onto which the image is burnt:

growisofs -dvd-compat -Z /dev/dvd=ABC.iso