[MPlayer-users] DVD not playing

[Reimar Döffinger]

On Tue, Mar 10, 2009 at 09:11:41AM +0100, Alexander Roalter wrote:
> Oliver Seitz wrote:
> >>> CommandLine: 'dvd://' '-v' '-identify'
> >> try dvd://2 instead
> >> the 1st is only .6sec
> > 
> > Err... I haven't blushed like this for quite a time... You're right, this
> > does the trick...
> > 
> > And I should have learned not to give a coitus on any other player not
> > playing anything...
> > 
> > Once again, this was a quick fix ;-)
> 
> Although it works, which makes this answer somewhat meaningless, you
> still weren't able to crack the key for title one (hence the CRC
> errors). This might have to do with the Region settings of your DVD
> drive, which in rare cases seems to be required. I have some RC1 and RC2
> DVDs which cannot be completely cracked without the drive being set to a
> certain region... don't know the background to this, but apparently in
> this case the drive helps in retrieving the key. Once the key has been
> retrieved, it's irrelevant which drive you use to play the DVD.

This can easily happen with short titles, since they do not have enough
data to crack the encryption. Usually the titles have the same or
consecutive keys though, so after playing the main title you can usually
guess and add the remaining keys to the .dvdcss directory.