Re: (fwd) DVD Progress and Information

Joerg Schilling (schilling@fokus.gmd.de)
Tue, 15 Sep 1998 23:50:08 +0200 (MET DST)


>Does anyone know if DVD-ioctls are standardized under Unix? My
>impression is that they aren't yet, but if so, any pointers would be
>appreciated. I've created a reasonable standard and implementation.
>When I get a web page ready in a few days and clean stuff up a bit,
>I'll put the patches and stuff there for the following stuff.

Solaris 2.7 does not have (will not have DVD support ;-) but 2.8 will do.
Unfortunaetly 2.7 is currently in beta so I expect the 2.8 beta
to be available ~ april 1999.

>I've extended cdrom.h for 3 new DVD-related ioctls, and modified
>cdrom.[ch] and ide-cd.[ch] for DVDs (note for ide-cd, if the drive
>isn't a DVD device (CD) they will gracefully return EINVAL). They
>worked fine before as ATAPI CD devices, but you couldn't do DVD
>specific things (naturally).

>I've modifed cdrom and ide-cd to detect if the drive is a DVD-ROM or
>DVD-RAM, and have implemented the following ioctls for DVDs, based on
>the recent MMC-2 C/DVD packet command interface:

>The DVD_READ_STRUCT lets you obtain info for the following items:

>#define DVD_READ_STRUCT 0x5390 /* read DVD structures */

How do you define the interface to set the structure # ?
Which structure #'s do you support ?

Jörg

EMail:joerg@schily.isdn.cs.tu-berlin.de (home) Jörg Schilling D-13353 Berlin
js@cs.tu-berlin.de (uni) If you don't have iso-8859-1
schilling@fokus.gmd.de (work) chars I am J"org Schilling
URL: http://www.fokus.gmd.de/usr/schilling ftp://ftp.fokus.gmd.de/pub/unix

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