[DVDnav-discuss] libdvdread asserts on specific dvd

Markus Beyer m.beyer5 at gmx.de
Fri Jan 8 17:33:38 CET 2010


> Markus Beyer wrote:
> > Hi list,
> > 
> > while trying to read the DVD of The Dark Knight, libdvdread4 throws the
> following assertion:
> > 
> > *** libdvdread: CHECK_VALUE failed in ifo_read.c:1914 ***
> > *** for pgci_ut->nr_of_lus < 100 ***
> > 
> > This error repeates once more and the the whole machine gets really,
> really slow.
> > I am not a DVD expert so I hope someone can make something out of this.
> > If you need any more information, I'd be happy to provide it.
> > 
> > Cheers,
> > Markus
> from your email address I assume you're talking about the german dvd.
> 
> This DVD is protected by something called Protect-X which scrambles the
> file system infos on the disk and there must be a patch applied in order
> to read the disk. You need dvdnav for it, also.
> 
> So:
> 
> mplayer dvdnav://1
> 
> from a current SVN version should do the job (AFAIK the patch for the
> incorrect file system infos is in it for now over a year).
> 
> -- 
> cheers,
> Alex

Hi Alex,

yes, it's the german version and odly, dvdnav://1 works quite well, where dvd://1 doesn't. Does dvd:// use other libs that dvdnav?

Thanks so far,
Markus
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