Re^4: [Mplayer-dev-eng] more on IFO

[Arpi]

Hi,

> > On Monday, 20. August 2001 20:28, Arpi wrote:
> > > hmm.
> > > ok, but we don't need this feature.
> > > i'll always pass device (/dev/dvd etc) to DVDOpen().
> 
> > na, it's nice feature to nplay vobs that have been copied to hdd, cause we 
> > still have ifo parsing then, so you can play sector based from hdd too, with 
> > stuff like chapters, multiangle and so on.
> 
> It would be nice to be able to have the .ifo, together with the
> (decrypted?) .vobs on disk, and be able to play back with .ifo parsing.
i think they must be decrypted, as the dvd key can be get only from the dvd
drive.

> But: doesn't the .ifo use sector numbers? - which aren't meaningful
> apart from on the DVD?
yes, it uses, but relative to the start of VOBs.
(and start of VOB is stored in UDF filesystem, this is why ifo parsing not
eough for dvd players, udf and navi parser also required)


A'rpi / Astral & ESP-team

--
mailto:arpi at thot.banki.hu
http://esp-team.scene.hu

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