DVD navigation
Gildas Bazin
gbazin at netcourrier.com
Mon Aug 13 19:31:41 CEST 2001
On Monday 13 August 2001 6:05 pm, Samuel Hocevar wrote:
> On Mon, Aug 13, 2001, Rob Cavicchio wrote:
>
> > Why do you say you would have to use the file interface from a hard disk?
> > My thought is to copy all the .ifo files as well as the .vob files to hard
> > disk, so the same information should be available.
>
> It's not that simple. For example, the .ifo files store position of
> the titles using their byte offset in the DVD device; vlc just seek()s
> at this position to go to the beginning of the file. If you store .ifo
> and .vob files in a directory, there is no reason why the file should
> still be contiguous, and this offset information becomes useless.
>
> There are other ways to do it, though, and though it would require
> some amounts of additional code, it's not impossible to implement a
> different method into vlc or libdvdcss so that it supports reading from
> a directory.
>
I was looking at linuxtv DVD Media Access API a few days ago, and I must say,
libdvdcss would make a good implementation for the DVD UDF API part.
Maybe we should think about implementing the whole API:
http://www.linuxtv.org/developer/dvdapi.html
--
Gildas
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