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Re: [Libcdio-devel] UDF libdvdnav and libcdio

From: Burkhard Plaum
Subject: Re: [Libcdio-devel] UDF libdvdnav and libcdio
Date: Wed, 29 Jun 2005 15:23:53 +0200
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.8) Gecko/20050513 Fedora/1.7.8-1.3.1

I got to thinking. For UDF support, why not use libdvdnav?

Interesting thoughts. In fact, there are 3 libraries, which
handle DVDs: The (low-level) libdvdread, and the higher level
libdvdnav (from xine) and libdvdplay (from videolan), both
depending on libdvdread. The higher level libs handle a lot
of details of DVD reading/navigation (e.g. multiangle support)
but they somewhat prevent access to the lower level functions.

Developers already have a hard choice when choosing their
method of DVD reading. A proper implementation in libcdio would
be far from trivial as there is a lot of information in the .ifo
files, which must be known to the application to get menu support

Annother option would be support for just the UDF-filesystem,
similar to the iso9660 support with all movie-playback stuff
removed, so people can at least read data DVDs without mounting

Dr.-Ing. Burkhard Plaum
Institut fuer Plasmaforschung
Pfaffenwaldring 31
70569 Stuttgart
Tel.: +49 711 685-2187
Fax.:            -3102

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