Re: PROBLEM: Cruft mounting option incorrect in ISOFS code

From: Rogier Wolff (R.E.Wolff@BitWizard.nl)
Date: Thu Nov 23 2000 - 18:39:15 EST


Ben Fennema wrote:
> Rogier Wolff wrote:
> >
> > Alan Cox wrote:
> > > > under 1 gig in size. You can exhibit the problem by mounting the dvd movie
> > > > "The World is Not Enough" as it contains a video_ts.vob which is larger than
> > > > 1 gigabyte. You will see that most of the file lengths are incorrect due to
> > > > the "cruft mounting option" hacking off the high order byte. There are
> > > > certainly many more movies out there that exhibit this problem so it would
> > > > be a good thing for someone to fix.
> >
> > > The cruft thing is correct in itself. The size being 4Gb is trivial
> > > to change providing someone can provide a reference to the standards
> > > that say its ok. So is the limit 4Gig, who documents it ?
> >
> > Page 137 of DVD Demystified by Jim Taylor says:
> >
> > - Individual files must be less than or equal to 1 gigabyte in length.
>
> The maximum size of a single UDF extent is 2^30-1
> For DVD Video, the data of each file shall be recorded in a single extent.

Hmm. Then the "or equal to" part is "wrong"...

Yes, My dvd demystified book also says that it needs to be one extent.

                                Roger.

-- 
** R.E.Wolff@BitWizard.nl ** http://www.BitWizard.nl/ ** +31-15-2137555 **
*-- BitWizard writes Linux device drivers for any device you may have! --*
* There are old pilots, and there are bold pilots. 
* There are also old, bald pilots. 
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Thu Nov 23 2000 - 21:00:27 EST