On 03/12/06, Grant Edwards <[EMAIL PROTECTED]> wrote:
On 2006-12-03, Stroller <[EMAIL PROTECTED]> wrote:

> I've never used K3B myself, but its site is not clear whether it
> handles the DeCSS part of the DVD rip.

I've never used K3B either.  If I want to make an exact
(decrypted, dereionalize) copy, I just do this:

$ dvdbackup -M -i /dev/sr0 -o dvds
<remove original DVD, replace with blank double-layer>
$ growisofs -dvd-compat -Z /dev/sr0 -dvd-video dvds/<TITLENAME>

> CSS is the system used to region-restrict DVDs, and AFAICT it
> works by encrypting the files on the disk against a key stored
> in a special part of the DVD's header. This "header" part of
> the DVD is not writable by normal DVD-burners (I have heard
> that "authoring" DVD- burners which support it cost several
> thousand pounds), so a "bitwise" copy of a DVD cannot be
> decrypted (because the key is missing).
>
> As I understand it, in order to copy DVD movies one must first
> make a copy of the DVD's files - with the region-encoding
> removed - onto hard-disk, then burn this as a new DVD
> "compilation". The result is an R0 disk which should play fine
> in any standard player.

Exactly.  The dvdbackup/growisofs method works fine for making
same-size copies.

This is getting me down: <sigh . . .>
=================================
$ dvdbackup -M -i /dev/dvd -o dvds
$ growisofs -dvd-compat -Z /dev/dvd -dvd-video dvds/PIRATESOFTHECARIBBEAN
Executing 'mkisofs -dvd-video dvds/PIRATESOFTHECARIBBEAN | builtin_dd
of=/dev/dvd obs=32k seek=0'
 0.14% done, estimate finish Sun Dec  3 21:55:10 2006
 0.29% done, estimate finish Sun Dec  3 21:55:10 2006
 0.43% done, estimate finish Sun Dec  3 21:55:10 2006
/dev/dvd: splitting layers at 1750000 blocks
/dev/dvd: "Current Write Speed" is 2.5x1385KBps.
 0.57% done, estimate finish Sun Dec  3 22:27:14 2006
 0.71% done, estimate finish Sun Dec  3 22:27:48 2006
 0.86% done, estimate finish Sun Dec  3 22:28:12 2006
 1.00% done, estimate finish Sun Dec  3 22:30:09 2006
 1.14% done, estimate finish Sun Dec  3 22:30:09 2006
[snip...]

49.86% done, estimate finish Sun Dec  3 22:32:08 2006
50.00% done, estimate finish Sun Dec  3 22:32:07 2006
50.14% done, estimate finish Sun Dec  3 22:32:07 2006
50.29% done, estimate finish Sun Dec  3 22:32:11 2006
50.43% done, estimate finish Sun Dec  3 22:32:10 2006
:-[ [EMAIL PROTECTED] failed with SK=3h/ASC=0Ch/ACQ=00h]: Input/output error
:-( write failed: Input/output error
=================================

This must be the third wasted DL DVD.  I think that I will need to
concentrate on transcoding the darn thing from now on.  I wish I could
pin point the problem.  When I tried playing the DVD in M$Windows it
complained about the region not being set - but I didn't have any such
problem in Linux.  Nero express won't even see the DL disk, just shows
the size of CD.  Could it be something to do with the firmware?
--
Regards,
Mick
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