Subject: Re: [linux-audio-dev] PCM Device Enumeration
From: Mark Rages (markrages_AT_mlug.missouri.edu)
Date: Sat May 11 2002 - 01:20:33 EEST
On Fri, May 10, 2002 at 05:10:10PM -0400, Paul Davis wrote:
> >On Friday 10 May 2002 14:48, Paul Davis wrote:
> >
> >> if you want to see how to do it "the right way", look at what "aplay
> >> -L" does, since this takes the contents of ~/.asoundrc into
> >> account. your code above doesn't do that at all. because ALSA allows
> >> the user to define PCM devices with specific characteristics that are
> >> slaves and/or subsets of h/w devices, what you're trying to do above
> >> is really circumventing the ALSA configuration system.
> >
> >OK, 'aplay -L' gives a completely cryptic listing of what I assume to be a
> >configuration setup.
>
> because of ~/.asoundrc, ALSA programs should *not* attempt to
> enumerate "all devices". the user knows whats there, and can ask for
> it using a simple name. otherwise, use "default" as the PCM device
> name, and you will get something moderately sane whatever the
> hardware.
>
OK, so is there a way to get this list of "simple names" from alsalib?
Then you could have your .asoundrc definitions and selection-box too.
I think that's what this frequently-asked-question is really getting
at.
Regards,
Mark Rages
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