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From: Reiner <reiner1210@googlemail.com>
To: alsa-devel@alsa-project.org
Subject: Re: snd_pcm_open device names
Date: Thu, 06 Mar 2008 19:34:16 +0100	[thread overview]
Message-ID: <47D03928.3040902@googlemail.com> (raw)
In-Reply-To: <200803061313.51242.linux@audioscience.com>

Thanks! But if I try "asym" open fails, where can I see what "default" 
is? There is no ~/.asoundrc and in /etc there is only asound.state.
By the way I'am looking for a function to adjust the volume of the 
stream, any idea

Thanks
Reiner


Eliot Blennerhassett schrieb:
> On Thursday 06 March 2008 12:33:54 Reiner wrote:
>> with
>> snd_pcm_open (handle, "default", SND_PCM_STREAM_PLAYBACK, 0)
>> I can open a device twice
>> with
>> snd_pcm_open (handle, "plughw:0,0", SND_PCM_STREAM_PLAYBACK, 0)
>> the 2. call fails with error -16.
>>
>> The docu says:
>> The default device is equal to plug plugin with hw plugin as slave.
> 
> Probably the doc is in error. The default device these days is usually asym 
> (dmix+dsnoop) which allows the multiple opens.
> 
> --
> Eliot
> www.audioscience.com
> _______________________________________________
> Alsa-devel mailing list
> Alsa-devel@alsa-project.org
> http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
> 

  reply	other threads:[~2008-03-06 18:34 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-03-05 23:33 snd_pcm_open device names Reiner
2008-03-06  0:13 ` Eliot Blennerhassett
2008-03-06 18:34   ` Reiner [this message]
2008-03-06 18:36     ` Lee Revell

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