[ale] backup/salvage scratched encrypted DVDs

[Jeff Hubbs]

Maguire's makes a plastic headlight lens restoration kit (any auto parts 
store - bottle of polishing cream and a buffer for your drill) that 
didn't do a thing for my decaying headlight lenses but almost completely 
eliminated a playback-ruining scuff on one of my daughter's CDs.

Richard Bronosky wrote:
> One of my daughter's DVDs is garbling and freezing near the end when
> played in a STB DVD Player. I have tried to rip it using the most
> effective (six nines) tool I've ever seen which is
> http://ripitapp.com/ and it gets to 99.1 and hangs. I'd like to try
> some form of geeky Linux rescue. I don't know much about what ever it
> is that encrypts a DVD, so please be gentle. I'd like copy the disc
> with ddrescue, then decrypt that. This thread
> http://ask.metafilter.com/68265/But-its-just-a-little-scratch makes it
> sound like ddrescue will copy the disc decrypted if it is opened with
> libdvdcss first. That sounds like crazy talk and if true means I know
> even less about the encryption voodoo than I thought.
>
> Linux users are constantly using machines in unintended ways. What
> have you done to salvage (not pirate, I don't even want to know about
> that) a DVD?
>
>