> > > That won't work on CSS scrambled discs. You'll copy the scrambled data
> > > but not the key.
> >
> > That's not true. The CSS key is in the standard filesystem data, not
> > in some subtrack data.
>
> You're right. I read this information some years ago in a normally
> reliable source, and saw no reason to doubt it as it made sense. bit I've
> just tried a dd copy and it worked. It failed on the first attempt, but
> after running lsdvd, it worked for the whole disc, and mplayer played it.
>
What is happenning here is that lsdvd is cracking the css keys via
libdvdcss and caching the keys in ~/.dvdcss. If you move the image to
another computer, or try to read it as another user, the keys will
neeed to be cracked again.
dvdbackup doesn't work on "The Life of Mammals" (and surely others)
and dd means bad portability. Are there any other options for a full
backup?
- Grant
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