Am 23.07.2010 11:12, schrieb Peter Lukac:
> hello all
> maybe trivial question...
>
> I want open sound device from /etc/asound.conf with API
> snd_pcm_open() but unsuccessfull. As name i'm used:
>
> "plughw:0,0"
> "plughw:0,1"
> "plughw:0,2"
> "plughw:1,0"
> "plughw:1,1"
> "plughw:1,2"
> ...
> i'm try alternative name with "hw:X,Y"
> "hw:0,0"
> "hw:0,1"
> ...
> but in this method i'm open only HW device.
> I'm get follow error:
> ALSA lib pcm_hw.c:1429:(_snd_pcm_hw_open) Invalid value for card
>
> how can i open my "virtual" device in asound.conf
>
> here is asound.conf:
>
>
> pcm.!default {
> type plug
> slave.pcm "output"
> }
>
> pcm.output {
> type dmix
> ipc_key 1024
> slave {
> pcm "hw:0,0"
> channels 2
> rate 44100
> format S16_LE
> }
> }
>
> pcm.dsp0 {
> type plug
> slave.pcm "output"
> }
>
> ...exists some universal method how can i open all HW device and "virtual"
> devices?
Did you try to open "default", "output" or "dsp0" since these are the
names of your pcm defines?
Cheers,
Sebastian
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