Re: Virtual ALSA device

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Hi!

I didn't test this, but I found an article on the ALSA wiki at
http://alsa.opensrc.org/Network. Maybe you can do what you want with
this guide. If you eventually find another solution or know how to
improve this one, please think about writing it down to the wiki. That'd
be great!

Regards, Ingo



Mathieu Mourez schrieb:
> Hello,
> 
> I'm looking for a way to mix sounds in real time and send them to an  
> icecast server on a machine that doesn't have a soundcard. I have a  
> perl script that monitors my logs and plays certain files on certain  
> events.
> I got the idea from this:
> 
> Peep (The Network Auralizer): Monitoring Your Network With Sound
> http://www.usenix.org/events/lisa00/gilfix/gilfix_html/index.html
> 
> I'd like to play wav files with alsaplayer to a "virtual" soundcard,  
> and use darkice to read from that ALSA device, encode and send to my  
> icecast server.
> 
> Knowing that darkIce can be set to capture from an ALSA device  
> (darkice.cfg man page says "ALSA DSP device name (e.g. hwplug:0,0)"),  
> I tried to put this in my .asound:
> 
> pcm.virtual {
> 	type file
> 	file /tmp/fake_dsp
> }
> 
> Does this have any chance of working?
> What device name should I give to darkice? I guessed "file:/tmp/ 
> fake_dsp" but that doesn't seem to be working.
> 
> Any help with this, or even general suggestions on how to accomplish  
> the overall task would be most welcome!
> 
> Cheers,
> 
> 
> - Matt


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