[DVDnav-discuss] dvdread patch for broken dvd's

[Nico Sabbi]

Il giorno lun, 06/10/2008 alle 22.09 +0200, jezz at hkfree.org ha scritto:
> Hi,
> here are my answers. Cosmetics are not problem, but before fixing them, the idea
> of this code must be approved. For file there are 2 possible tag values - 261
> for File Entry (4/14.9 in Ecma 167) or Extended File Entry (4/14.17). For some
> VOBS on DVD there is no File Entry or Extended File Entry. But there is
> Extended Attribute Header Entry with tag 262 (4/14.10). If I handle 262 entry
> as 261, than DVD plays fine, but that is wrong - EA Header is not File Entry +
> some data. It contains data associated with some File Entry, but there is none.
> Therefor this DVD is broken. But ISO 9660 filesystem is ok - kernel mounts this
> DVD and totem can play it (totem don't plays discs directly, but only mounted).
> I can play VOB directly using mplayer, but I can't use dvdnav or some mplayer front-ends.
> This ISO stuff uses correct ISO fs if file search on UDF fails. This fixes my
> problem - and maybe others, too.
> 

I agree completely with your method: accepting tag 262 as valid is plain
wrong, and for the rest (without reading the code of iso9660) the code
is fine
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