linux-kernel - Re: Is it time for remove (crap) ALSA from kernel tree ?

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Message-ID: <75b66ecd0706272022i272669f7i1e0c9c8931f8b700@mail.gmail.com>
Date:	Wed, 27 Jun 2007 23:22:18 -0400
From:	"Lee Revell" <rlrevell@...-job.com>
To:	"Patrick Draper" <pdraper@...il.com>
Cc:	"Rene Herman" <rene.herman@...il.com>, linux-kernel@...r.kernel.org
Subject: Re: Is it time for remove (crap) ALSA from kernel tree ?

On 6/27/07, Patrick Draper <pdraper@...il.com> wrote:
> Rene Herman wrote:
> > So -- the fact that mixing actually works for you when using libaoss
> > means software mixing is working correctly for your ALSA setup. The only
> > thing you should do is _use_ ALSA (natively) and not its OSS emulation
> > so you can drop the library preload.
>
> Cool. How do I go about figuring out what every app uses? For example,
> you mentioned that the flash 9 plugin, which I also use, is an ALSA
> aware application. How do you know? I need the check out everything that
> I use which needs sound (vmware, skype, kmplayer, etc.) I don't have
> source code for at least two of those.

Go into the sound preferences menu of the app and check which device
it uses.  If it's something like /dev/dsp or /dev/audio it's using
OSS.  If it looks like "default" or "hw:0" it's ALSA.

If your app does not have any sound preferences menu it's broken and
you should file a bug report.

You can determine whether an app with no configurable sound device is
using ALSA by running "strace broken_app" and grep the output for
"/dev/dsp" or "/dev/audio".

Lee
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