Programmatically test for a DVD drive

Brian Reichert reichert at numachi.com
Fri Dec 19 08:11:26 PST 2003


On Tue, Dec 16, 2003 at 08:33:41PM -0500, Joe Marcus Clarke wrote:
> I'm trying to figure out the best way to programmatically test to see if
> a disc device is a DVD device.  That is, how can I tell the difference
> between a CD-[ROM|R|RW] and a DVD-[ROM|R|RW]?  Is there a set method for
> doing this, or should I just try to execute a DVD ioctl, and test to see
> if it succeeds?  Thanks.

When I've poked, the tracks in a TOC of a DVD is _huge_ compared
to a CD-ROM.

But, I, too, am looking for a better way...

> Joe 
> -- 
> Joe Marcus Clarke
> FreeBSD GNOME Team	::	gnome at FreeBSD.org
> FreeNode / #freebsd-gnome
> http://www.FreeBSD.org/gnome



-- 
Brian 'you Bastard' Reichert		<reichert at numachi.com>
37 Crystal Ave. #303			Daytime number: (603) 434-6842
Derry NH 03038-1713 USA			BSD admin/developer at large	


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