Re : Re : Re : Re : dvd-9 trouble with TSSTcorp SH-S203D

Re : Re : Re : Re : dvd-9 trouble with TSSTcorp SH-S203D

[Sébastien]

Re-Hi,

You are right, it's a css dvd. I use dvdbackup and work fine without any I/O errors.
Ok, "we are learning every old" (French proverb).

I finaly found a dvd9 which pass throught udf filesystem correctly, but it seems that there's no general way to see if there is or there is not a CSS part in the media.

I apologies. Sorry for disturbing. Many thanks for all.
Sébastien

nota : you can keep your connect if you want heo !
p.s. : rc1-git4 works fine on my box ! :)


----- Message d'origine ----

De : Alan Cox <alan@lxorguk.ukuu.org.uk>
À : Sébastien <willy_the_cat@yahoo.com>
Cc : Tejun Heo <tj@kernel.org>; jgarzik@pobox.com; linux-ide@vger.kernel.org
Envoyé le : Dimanche, 3 Août 2008, 18h42mn 36s
Objet : Re: Re : Re : Re : dvd-9 trouble with TSSTcorp SH-S203D

On Sun, 3 Aug 2008 16:28:59 +0000 (GMT)
Sébastien <willy_the_cat@yahoo.com> wrote:

> Hi,
> 
> Thanks for reply and follow the discuss.
> 
> > Partial access to a movie file. I assume you've checked the disc in
> > question is not copy protected. We don't support decrypting copy
> > protected disks for all the obvious reasons.
> 
> 
> Don't know about what you talk, sorry.
> Is that you mean that I try a DVD-9 for Region 1, for instance, althrough that I have a DVD Reader for Region 3 and want to deal with all this ?
> No, not at all.
> 
> DVD-9 bought in Europe as all material too.
> Suppose that DVD-CD* Cumbo is for Region 2, and all DVDs I have are legaly acquired and are all for Region 2 also.
> CD* and DVD-5 works perfectly.

There are two layers of DVD authentication on devices that choose it. The
first is region coding (which is irrelevant nowdays at least in europe as
everyone buys region free players or two drives). The second is CSS which
controls access at the sector level without a cryptographic handshake
between the drive and the DVD playing application. Without the CSS parts
of the media are errored by the drive firmware.

Alan



      _____________________________________________________________________________ 
Envoyez avec Yahoo! Mail. Une boite mail plus intelligente http://mail.yahoo.fr



      _____________________________________________________________________________ 
Envoyez avec Yahoo! Mail. Une boite mail plus intelligente http://mail.yahoo.fr

Re: Re : Re : Re : Re : dvd-9 trouble with TSSTcorp SH-S203D

[Tejun Heo]

Sébastien wrote:
> You are right, it's a css dvd. I use dvdbackup and work fine without any I/O errors.
> Ok, "we are learning every old" (French proverb).
> 
> I finaly found a dvd9 which pass throught udf filesystem correctly, but it seems that there's no general way to see if there is or there is not a CSS part in the media.
> 
> I apologies. Sorry for disturbing. Many thanks for all.
> Sébastien
> 
> nota : you can keep your connect if you want heo !

No need to keep it around.  Please kill it.

Ah.. so it was the copy protection thing.  The firmware failed the
command and reported it via sense data.  Hmmm... how come SCSI didn't
report the sense data?  Anyways, you probably want to look for libdvdcss.

-- 
tejun