Re: Is controlling DVD speeds via SET_STREAMING supported?

[David Härdeman]

On Sat, Nov 20, 2004 at 05:30:54PM +0100, Jan Engelhardt wrote:
> I doubt hdparm works on CD/DVD drives.
> What is setspeed doing, internally?

Well, hdparm does work for CD drives (hdparm -E), but not for CD/DVD 
combo drives...

And also, the tools I was thinking of isn't called setspeed...it's called 
setcd, and it uses ioctl(fd, CDROM_SELECT_SPEED, speed) which doesn't 
work on DVD players apparently. The same goes for the other tools I've 
tested ("hdparm -E" and "eject -x").

> My CD drives spin at "normal" (no more than speed 8) when playing CD-DA,
> if I am listening to Ogg, I manually spin it down by using "calm-cdrom".
> ( http://linux01.org:2222/f/UHXT/sbin/src/calm-cdrom.c )

Which also uses the above mentioned ioctl...

Re,
David

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