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vobcopy

This is http://www.berklix.com/~jhs/txt/dvd/vobcopy/

By Julian H. Stacey

Up One Directory


Examples:
vobcopy /cdrom1 # just main (largest) feature, no trailers, menus etc.
vobcopy -m /cdrom1 # includes trailers, menus etc, can be considerably larger.
I suspect vobcopy aborts if the working directory is moved in the middle of a run.

  • Best use vobcopy rather than dd, as vobcopy recovers better than dd with bad media,
  • Best mount the DVD first & use mounted name not device.
  • Best use -m , because it preserves menu info (such as start at which scenes) ( Some DVDs have audio track 1 = Spanish, & Audio track 3 = English (visible with vlc?), Although acidrip & mencoder offer an option of language= they don't seem to offer an explicit numeric track number selector - another reason to preserve look up table that may be in menus. )
  • Best use the mounted directory name, (but vobcopy still also wants access to device as well, so also need chmod 444 /dev/[a]cd[0-9] ).
  • Some DVDs have no AUDIO_TS, just VIDEO_TS
  • vobcopy -m /mnt (Preceeded by mdconfig -a -t vnode -f thing.iso; mount -t udf /mnt /dev/md0;) produces exactly same files as from real /dev/cd media.
  • Warning: vobcopy by default generates long named .vob files, the order of which gets erroneously inverted when read by mkisofs.
  • Warning: regarding upper & lower case file names:
    • vobcopy produces names in upper case,
    • mount -t cd9660 /dev/md0 /mnt shows lower case video_ts
    • mount -t udf /dev/md0 /mnt shows upper case VIDEO_TS If comparing with eg cmpd then these may be useful toupper & tolower

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