From: Peter Zubaj <pzad@pobox.sk>
To: alsa-devel@lists.sourceforge.net
Cc: Jan Engelhardt <jengelh@linux01.gwdg.de>,
Takashi Iwai <tiwai@suse.de>, Adrian Bunk <bunk@stusta.de>,
linux-kernel@vger.kernel.org, perex@suse.cz
Subject: Re: [Alsa-devel] RFC: OSS driver removal, a slightly different approach
Date: Fri, 20 Jan 2006 18:44:29 +0100 [thread overview]
Message-ID: <200601201844.29873.pzad@pobox.sk> (raw)
In-Reply-To: <Pine.LNX.4.61.0601201729370.10065@yvahk01.tjqt.qr>
On Friday 20 January 2006 17:30, Jan Engelhardt wrote:
> >> >If I understand alsa - oss emulation correctly, I think, this will be
> >> > not fixed soon (my opinion - never). This is too much work for too
> >> > little gain.
> >>
> >> On that way, I'd like to inquiry something:
> >> I have a card that works with the snd-cs46xx module.
> >> With the OSS emulation (/dev/dsp), I can only output 2 channels, and the
> >> other two must be sent to /dev/adsp. Is this intended? Would not it be
> >> easier to make /dev/dsp allow receiving an ioctl setting 4 channels?
> >
> >This is exactly like the case of emu10k1. The chip supports only
> >2-channel stereo streams. If you need a 4-channel interleaved stream,
> >you have to merge the data in two individual streams to a single
> >4-channel stream on software. Currently, this isn't handled in ALSA
> >kernel-space OSS emulation.
>
> Ah, so http://alphagate.hopto.org/quad_dsp/ which I had created
> is The Right Thing?
This will work for your card, but not for emu10k1.
Peter Zubaj
next prev parent reply other threads:[~2006-01-20 17:44 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-19 17:46 RFC: OSS driver removal, a slightly different approach Adrian Bunk
2006-01-19 18:22 ` Lee Revell
2006-01-19 18:47 ` [Alsa-devel] " Peter Zubaj
2006-01-20 14:25 ` Jan Engelhardt
2006-01-20 14:56 ` Takashi Iwai
2006-01-20 16:30 ` Jan Engelhardt
2006-01-20 17:44 ` Peter Zubaj [this message]
2006-01-21 8:58 ` Jan Engelhardt
2006-01-22 15:34 ` [Alsa-devel] " Jaroslav Kysela
2006-01-21 2:27 ` Lee Revell
2006-01-21 9:01 ` Jan Engelhardt
[not found] ` <1137694944.32195.1.camel@mindpipe>
2006-01-19 18:28 ` Adrian Bunk
2006-01-19 18:39 ` Lee Revell
2006-01-19 18:54 ` Lee Revell
2006-01-19 19:04 ` Takashi Iwai
2006-01-19 19:01 ` Lee Revell
2006-01-19 19:13 ` David Vrabel
[not found] ` <1137697269.32195.14.camel@mindpipe>
2006-01-19 22:09 ` Alan Cox
2006-01-20 10:20 ` Takashi Iwai
[not found] ` <s5hd5in9p5v.wl%tiwai@suse.de>
2006-01-20 13:14 ` Alan Cox
2006-01-20 14:30 ` Takashi Iwai
2006-01-19 22:11 ` Alan Cox
[not found] ` <1137695945.32195.7.camel@mindpipe>
2006-01-19 19:44 ` Adrian Bunk
2006-01-19 21:28 ` Alan Cox
2006-01-19 19:15 ` dealing with under runs? Dave Raggett
2006-01-20 8:03 ` Jaroslav Kysela
2006-01-19 20:24 ` RFC: OSS driver removal, a slightly different approach Krzysztof Halasa
[not found] ` <m3ek34vucz.fsf@defiant.localdomain>
2006-01-19 20:43 ` Lee Revell
2006-01-19 21:50 ` Bill Nottingham
2006-01-19 22:18 ` Adrian Bunk
2006-01-19 22:18 ` Alan Cox
2006-01-19 22:38 ` Lee Revell
2006-01-19 22:42 ` Dave Jones
2006-01-19 22:51 ` Lee Revell
2006-01-20 1:13 ` Alan Cox
2006-01-20 1:34 ` Dave Jones
2006-01-20 11:20 ` Takashi Iwai
[not found] ` <s5hacdr9mdi.wl%tiwai@suse.de>
2006-01-21 0:29 ` Lee Revell
[not found] ` <1137803349.3241.21.camel@mindpipe>
2006-01-21 0:57 ` Adrian Bunk
[not found] ` <20060121005728.GO31803@stusta.de>
2006-01-21 1:03 ` Lee Revell
2006-01-21 1:01 ` Lee Revell
2006-01-20 8:21 ` Dag Nygren
2006-01-19 22:21 ` Alan Cox
2006-01-19 22:45 ` Adrian Bunk
2006-01-19 22:45 ` Lee Revell
[not found] ` <20060119224501.GC19398@stusta.de>
2006-01-20 2:55 ` Erik Andersen
2006-01-21 1:53 ` Lee Revell
2006-01-20 3:46 ` Rene Herman
2006-01-20 7:04 ` Brent Cook
2006-01-21 0:55 ` Stuffed Crust
2006-01-20 14:32 ` Jan Engelhardt
2006-01-20 8:25 ` Clemens Ladisch
2006-01-20 9:53 ` Martin Langer
2006-01-20 16:09 ` Bob Tracy
2006-01-19 21:06 ` Jesper Juhl
[not found] ` <9a8748490601191306q75b101b5g488aee398d420a00@mail.gmail.com>
2006-01-19 21:43 ` Adrian Bunk
2006-01-20 11:54 ` Martin Habets
[not found] ` <20060120115443.GA16582@palantir8>
2006-01-20 19:04 ` Adrian Bunk
[not found] ` <20060120190415.GM19398@stusta.de>
2006-01-20 21:29 ` Olaf Hering
2006-01-20 23:15 ` Benjamin Herrenschmidt
[not found] ` <20060120212917.GA14405@suse.de>
2006-01-20 23:16 ` Benjamin Herrenschmidt
2006-01-20 23:22 ` Ben Collins
[not found] ` <1137799330.13530.30.camel@grayson>
2006-01-23 12:20 ` Takashi Iwai
[not found] ` <s5hd5ijyw2q.wl%tiwai@suse.de>
2006-01-23 13:12 ` Ben Collins
2006-01-21 21:05 ` Ralf Baechle
2006-01-23 14:11 ` Dan Malek
2006-01-23 15:06 ` Jordan Crouse
2006-01-25 2:47 ` Martin Michlmayr
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