From: Davide Libenzi <davidel@xmailserver.org>
To: "Diego Calleja García" <diegocg@teleline.es>
Cc: Daniel Phillips <phillips@arcor.de>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: 2.5.74-mm1
Date: Sat, 5 Jul 2003 19:29:48 -0700 (PDT) [thread overview]
Message-ID: <Pine.LNX.4.55.0307051923480.4599@bigblue.dev.mcafeelabs.com> (raw)
In-Reply-To: <20030706001136.3a423b29.diegocg@teleline.es>
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On Sun, 6 Jul 2003, Diego Calleja [ISO-8859-15] García wrote:
> El Sat, 5 Jul 2003 23:09:12 +0200 Daniel Phillips <phillips@arcor.de>
> escribió:
>
> > The "better" mechanism for sound scheduling is SCHED_RR, which requires
> > root privilege for some reason that isn't clear to me. Or maybe there
> > once was a good reason, back in the days of the dinosaurs.
>
> I don't think mp3 playing needs nothing special.
>
> Mp3 decoding on today's computers taks insignificant amounts of cpu time.
> Having mp3 skips even in light loads in a 2x800 box seems just
> unacceptable.
It is not a problem of CPU time spent, it is a timing problem. Many sound
players do use to feed the sound card with write()s that are typically
8-16Kb and it is sufficent 100-200ms of CPU black-out (at 44100 16bit) to
have a buffer under-run and an audio skip.
- Davide
next prev parent reply other threads:[~2003-07-06 2:23 UTC|newest]
Thread overview: 147+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-03 9:37 2.5.74-mm1 Andrew Morton
2003-07-03 10:37 ` 2.5.74-mm1 Wiktor Wodecki
2003-07-03 11:06 ` 2.5.74-mm1 Russell King
2003-07-03 14:15 ` 2.5.74-mm1 Russell King
2003-07-03 16:05 ` 2.5.74-mm1 Patrick Mochel
2003-07-03 16:19 ` 2.5.74-mm1 Russell King
2003-07-03 16:24 ` 2.5.74-mm1 Patrick Mochel
2003-07-03 16:47 ` 2.5.74-mm1 Wiktor Wodecki
2003-07-03 18:43 ` 2.5.74-mm1 Serge Eric Thiam
2003-07-03 21:49 ` 2.5.74-mm1 Wiktor Wodecki
2003-07-03 21:53 ` 2.5.74-mm1 Russell King
2003-07-03 22:12 ` 2.5.74-mm1 Patrick Mochel
2003-07-03 22:14 ` 2.5.74-mm1 Russell King
2003-07-04 8:00 ` 2.5.74-mm1 Wiktor Wodecki
2003-07-03 11:27 ` pcmcia problem [was: Re: 2.5.74-mm1] Wiktor Wodecki
2003-07-03 10:45 ` 2.5.74-mm1 (p4-clockmod does not compile) Dumitru Ciobarcianu
2003-07-03 11:07 ` William Lee Irwin III
2003-07-03 11:17 ` Dumitru Ciobarcianu
2003-07-03 11:20 ` William Lee Irwin III
2003-07-03 11:32 ` 2.5.74-mm1 (p4-clockmod does not compile) PATCH Dumitru Ciobarcianu
2003-07-07 5:24 ` 2.5.74-mm1 (p4-clockmod does not compile) Zwane Mwaikambo
2003-07-07 5:47 ` William Lee Irwin III
2003-07-03 13:15 ` o1-interactivity.patch (was Re: 2.5.74-mm1) Sean Neakums
2003-07-03 13:30 ` Con Kolivas
2003-07-03 16:02 ` 2.5.74-mm1 Felipe Alfaro Solana
2003-07-03 18:11 ` 2.5.74-mm1 Pasi Savolainen
2003-07-03 20:25 ` 2.5.74-mm1 William Lee Irwin III
2003-07-03 20:48 ` 2.5.74-mm1 William Lee Irwin III
2003-07-04 8:55 ` 2.5.74-mm1 fails to boot due to APIC trouble, 2.5.73mm3 works Helge Hafting
2003-07-04 8:53 ` William Lee Irwin III
2003-07-04 9:35 ` William Lee Irwin III
2003-07-04 9:50 ` William Lee Irwin III
2003-07-04 10:02 ` William Lee Irwin III
2003-07-04 10:07 ` William Lee Irwin III
2003-07-04 11:12 ` Helge Hafting
2003-07-04 11:10 ` William Lee Irwin III
2003-07-04 12:50 ` Vincent Hanquez
2003-07-04 15:41 ` Martin J. Bligh
2003-07-04 15:47 ` Zwane Mwaikambo
2003-07-04 16:18 ` Martin J. Bligh
2003-07-04 16:16 ` Zwane Mwaikambo
2003-07-04 18:31 ` William Lee Irwin III
2003-07-04 19:20 ` Martin J. Bligh
2003-07-04 19:31 ` William Lee Irwin III
2003-07-04 19:53 ` Martin J. Bligh
2003-07-04 20:17 ` William Lee Irwin III
2003-07-04 18:32 ` William Lee Irwin III
2003-07-04 18:36 ` William Lee Irwin III
2003-07-04 18:29 ` William Lee Irwin III
2003-07-04 18:26 ` William Lee Irwin III
2003-07-04 19:38 ` Martin J. Bligh
2003-07-04 20:07 ` William Lee Irwin III
2003-07-04 20:37 ` Martin J. Bligh
2003-07-04 21:07 ` 2.5.74-mm1 William Lee Irwin III
2003-07-05 1:15 ` 2.5.74-mm1 Andrew Morton
2003-07-05 5:21 ` 2.5.74-mm1 Anton Blanchard
2003-07-05 11:18 ` 2.5.74-mm1 William Lee Irwin III
2003-07-05 11:46 ` 2.5.74-mm1 William Lee Irwin III
2003-07-05 10:44 ` 2.5.74-mm1 William Lee Irwin III
2003-07-05 18:43 ` 2.5.74-mm1 Andrew Morton
2003-07-05 21:17 ` 2.5.74-mm1 William Lee Irwin III
2003-07-05 21:27 ` 2.5.74-mm1 Andrew Morton
2003-07-05 22:03 ` 2.5.74-mm1 William Lee Irwin III
2003-07-05 0:16 ` 2.5.74-mm1 Daniel Phillips
2003-07-05 15:28 ` 2.5.74-mm1 Daniel Phillips
2003-07-05 16:01 ` 2.5.74-mm1 Con Kolivas
2003-07-05 17:47 ` 2.5.74-mm1 Daniel Phillips
2003-07-06 3:41 ` 2.5.74-mm1 Con Kolivas
2003-07-06 18:50 ` 2.5.74-mm1 Daniel Phillips
2003-07-05 19:14 ` 2.5.74-mm1 Andrew Morton
2003-07-05 21:09 ` 2.5.74-mm1 Daniel Phillips
2003-07-05 21:44 ` 2.5.74-mm1 Jamie Lokier
2003-07-05 22:10 ` 2.5.74-mm1 Daniel Phillips
2003-07-06 1:28 ` 2.5.74-mm1 Jamie Lokier
2003-07-06 2:14 ` 2.5.74-mm1 Daniel Phillips
2003-07-06 2:21 ` 2.5.74-mm1 Davide Libenzi
2003-07-06 13:54 ` 2.5.74-mm1 Daniel Phillips
2003-07-07 10:00 ` 2.5.74-mm1 Mel Gorman
2003-07-07 12:24 ` 2.5.74-mm1 Daniel Phillips
2003-07-07 13:09 ` 2.5.74-mm1 Alex Riesen
2003-07-07 14:33 ` 2.5.74-mm1 Daniel Phillips
2003-07-07 14:34 ` 2.5.74-mm1 Alex Riesen
2003-07-07 13:16 ` 2.5.74-mm1 Mel Gorman
2003-07-07 14:47 ` 2.5.74-mm1 Davide Libenzi
2003-07-07 15:23 ` 2.5.74-mm1 Jamie Lokier
2003-07-07 17:25 ` 2.5.74-mm1 Davide Libenzi
2003-07-07 17:55 ` 2.5.74-mm1 Daniel Phillips
2003-07-07 18:36 ` 2.5.74-mm1 Davide Libenzi
2003-07-07 19:07 ` 2.5.74-mm1 Daniel Phillips
2003-07-07 22:03 ` 2.5.74-mm1 Davide Libenzi
2003-07-08 0:13 ` 2.5.74-mm1 Daniel Phillips
2003-07-08 0:29 ` 2.5.74-mm1 Davide Libenzi
2003-07-08 1:07 ` 2.5.74-mm1 Daniel Phillips
2003-07-08 7:48 ` 2.5.74-mm1 Davide Libenzi
2003-07-08 9:18 ` 2.5.74-mm1 Nick Piggin
2003-07-08 15:24 ` 2.5.74-mm1 Davide Libenzi
2003-07-09 0:36 ` 2.5.74-mm1 Nick Piggin
2003-07-08 11:09 ` 2.5.74-mm1 Daniel Phillips
2003-07-08 18:19 ` 2.5.74-mm1 Davide Libenzi
2003-07-08 19:12 ` 2.5.74-mm1 Davide Libenzi
2003-07-07 19:39 ` 2.5.74-mm1 Jamie Lokier
2003-07-07 19:36 ` 2.5.74-mm1 Jamie Lokier
2003-07-09 22:17 ` 2.5.74-mm1 Daniel Phillips
2003-07-09 22:24 ` 2.5.74-mm1 Jamie Lokier
2003-07-09 22:29 ` 2.5.74-mm1 Davide Libenzi
2003-07-09 23:15 ` 2.5.74-mm1 Daniel Phillips
2003-07-09 23:19 ` 2.5.74-mm1 Jamie Lokier
2003-07-09 22:59 ` 2.5.74-mm1 Daniel Phillips
2003-07-10 2:01 ` 2.5.74-mm1 Peter Chubb
2003-07-11 1:04 ` 2.5.74-mm1 Daniel Phillips
2003-07-11 1:08 ` 2.5.74-mm1 William Lee Irwin III
2003-07-11 5:44 ` 2.5.74-mm1 Davide Libenzi
2003-07-11 8:07 ` 2.5.74-mm1 Daniel Phillips
2003-07-07 15:28 ` 2.5.74-mm1 Daniel Phillips
2003-07-07 17:58 ` 2.5.74-mm1 Davide Libenzi
[not found] ` <Pine.LNX.4.55.0307070745250.4428@bigblue.dev.mcafeelabs.co m>
2003-07-07 17:15 ` 2.5.74-mm1 Mike Galbraith
2003-07-05 22:11 ` 2.5.74-mm1 Diego Calleja García
2003-07-05 23:31 ` 2.5.74-mm1 Daniel Phillips
2003-07-06 0:23 ` 2.5.74-mm1 Diego Calleja García
2003-07-06 22:59 ` 2.5.74-mm1 Jamie Lokier
2003-07-06 2:29 ` Davide Libenzi [this message]
2003-07-06 0:10 ` 2.5.74-mm1 Daniel Phillips
2003-07-06 0:10 ` 2.5.74-mm1 Davide Libenzi
2003-07-05 19:40 ` 2.5.74-mm1 Diego Calleja García
2003-07-05 19:48 ` 2.5.74-mm1 Davide Libenzi
2003-07-05 21:22 ` 2.5.74-mm1 Daniel Phillips
2003-07-07 13:38 ` OOPS: 2.5.74-mm2 Maciej Soltysiak
2003-07-03 10:39 2.5.74-mm1 Boszormenyi Zoltan
2003-07-03 13:09 ` 2.5.74-mm1 Boszormenyi Zoltan
2003-07-03 19:22 ` 2.5.74-mm1 Andrew Morton
2003-07-03 20:08 ` 2.5.74-mm1 Helge Hafting
2003-07-03 21:15 ` 2.5.74-mm1 Andrew Morton
2003-07-04 5:53 ` 2.5.74-mm1 William Lee Irwin III
2003-07-04 7:12 ` 2.5.74-mm1 Boszormenyi Zoltan
2003-07-04 7:16 ` 2.5.74-mm1 Zwane Mwaikambo
2003-07-04 7:15 ` 2.5.74-mm1 Zwane Mwaikambo
2003-07-04 7:50 ` 2.5.74-mm1 Zwane Mwaikambo
2003-07-04 8:27 ` 2.5.74-mm1 Andrew Morton
2003-07-04 8:37 ` 2.5.74-mm1 Zwane Mwaikambo
2003-07-04 8:56 ` 2.5.74-mm1 Andrew Morton
2003-07-04 8:57 ` 2.5.74-mm1 William Lee Irwin III
2003-07-04 8:52 ` 2.5.74-mm1 William Lee Irwin III
2003-07-04 20:00 ` 2.5.74-mm1 Helge Hafting
2003-07-04 20:08 ` 2.5.74-mm1 William Lee Irwin III
2003-07-03 22:26 ` 2.5.74-mm1 William Lee Irwin III
2003-07-03 23:01 ` 2.5.74-mm1 Zwane Mwaikambo
2003-07-03 23:16 ` 2.5.74-mm1 William Lee Irwin III
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