From: Jens Axboe <axboe@suse.de>
To: "David Härdeman" <david@2gen.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Is controlling DVD speeds via SET_STREAMING supported?
Date: Sat, 20 Nov 2004 21:19:45 +0100 [thread overview]
Message-ID: <20041120201944.GA26240@suse.de> (raw)
In-Reply-To: <20041120161704.GA14743@hardeman.nu>
On Sat, Nov 20 2004, David Härdeman wrote:
> Hi,
>
> currently my DVD player sounds like a jet plane when playing ordinary
> audio CD's. I tried the different approaches to lowering playback speed
> that are commonly used (hdparm, setspeed, etc) but none of them worked.
>
> Then I found this thread:
> http://marc.theaimsgroup.com/?t=99366299900003&r=1&w=2
>
> Which seems to indicate that DVD players need a different command
> (SET_STREAMING), the thread is from 2001, and I've not been able to find
> any more recent information.
>
> So, my question is, is this implemented in the kernel and are there any
> userspace tools to set the playback speed?
I don't know of any, but it is trival to write using SG_IO (or just
CDROM_SEND_PACKET for this simple use, since only a trivial amount of
data involved). If you are not sure how to do it, let me know and I can
easily write one in minutes.
--
Jens Axboe
next prev parent reply other threads:[~2004-11-20 20:20 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-11-20 16:17 Is controlling DVD speeds via SET_STREAMING supported? David Härdeman
2004-11-20 16:30 ` Jan Engelhardt
2004-11-20 16:45 ` David Härdeman
2004-11-20 20:19 ` Jens Axboe [this message]
2004-11-20 23:50 ` David Härdeman
-- strict thread matches above, loose matches on Subject: below --
2004-11-26 19:59 Thomas Fritzsche
2004-11-27 9:54 ` Thomas Fritzsche
2004-11-27 20:57 ` Pasi Savolainen
2004-11-27 21:02 ` Jan Engelhardt
2004-11-27 23:17 ` Thomas Fritzsche
2004-11-28 11:18 ` Pasi Savolainen
2004-11-28 14:25 ` Thomas Fritzsche
2004-11-28 16:52 ` Jens Axboe
2004-11-28 17:49 ` Pasi Savolainen
2004-11-28 16:53 ` Thomas Fritzsche
2004-11-28 18:53 ` Jens Axboe
2004-11-28 21:01 ` Pasi Savolainen
2004-11-29 6:19 ` Jens Axboe
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