From: Anssi Hannula <anssi.hannula@iki.fi>
To: Andrew Eikum <aeikum@codeweavers.com>
Cc: alsa-devel@alsa-project.org, Joerg-Cyril.Hoehle@t-systems.com
Subject: Re: how to enumerate useful ALSA devices?
Date: Wed, 04 Jan 2012 23:16:58 +0200 [thread overview]
Message-ID: <4F04C1CA.7070000@iki.fi> (raw)
In-Reply-To: <4F04BAF8.6010701@iki.fi>
On 04.01.2012 22:47, Anssi Hannula wrote:
> On 04.01.2012 21:49, Andrew Eikum wrote:
>> But, passing these to aplay fails if I have PulseAudio running
>> ("device in use").
>
> Correct. You need to use pulse directly or the default/pulse device
> which passes audio to pulseaudio.
For the record, pulseaudio does release the device by default after it
has been unused for a few seconds. Not that it matters much here, though.
>> So I'm really stuck here. Where am I supposed to get a list of devices
>> that I can present to the user, including their Bluetooth devices and
>> virtual devices from asound.conf?
>
> I guess the preferred one is 'snd_device_name_hint()', but I don't
> really know if the caller is supposed to then handle surroundXX stuff
> themself.
Reading your last reply made me realize that I forgot that when
pulseaudio is not configured, there is also the "default:CARD=foo"
device listed (which you noticed), so I guess one could just ignore
entries beginning with "front:" or "surround(40|41|50|51|71):", since
one can just use "default" instead of them.
--
Anssi Hannula
next prev parent reply other threads:[~2012-01-04 21:17 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-04 19:49 how to enumerate useful ALSA devices? Andrew Eikum
2012-01-04 20:47 ` Anssi Hannula
2012-01-04 21:04 ` Andrew Eikum
2012-01-04 21:16 ` Anssi Hannula [this message]
2012-01-05 23:06 ` Raymond Yau
2012-01-06 0:36 ` Anssi Hannula
2012-03-11 3:01 ` Raymond Yau
2012-01-05 5:35 ` Raymond Yau
2012-01-05 9:59 ` Joerg-Cyril.Hoehle
2012-01-05 13:30 ` Raymond Yau
2012-01-05 17:26 ` Anssi Hannula
-- strict thread matches above, loose matches on Subject: below --
2011-12-21 14:37 Joerg-Cyril.Hoehle
2011-12-22 6:27 ` Raymond Yau
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4F04C1CA.7070000@iki.fi \
--to=anssi.hannula@iki.fi \
--cc=Joerg-Cyril.Hoehle@t-systems.com \
--cc=aeikum@codeweavers.com \
--cc=alsa-devel@alsa-project.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.