[alsa-devel] redirecting audio to another desktop machine

Hans-Kristian Arntzen maister at archlinux.us
Mon Jun 21 12:51:12 CEST 2010

On 06/21/2010 12:00 PM, alsa-devel-request at alsa-project.org wrote:
> Date: Mon, 21 Jun 2010 14:57:00 +0530
> From: Viral Mehta<Viral.Mehta at lntinfotech.com>
> Subject: [alsa-devel] redirecting audio to another desktop machine
> To: "alsa-devel at alsa-project.org"<alsa-devel at alsa-project.org>
> Message-ID:
> 	<70376CA23424B34D86F1C7DE6B9973430254343B3E at VSHINMSMBX01.vshodc.lntinfotech.com>
> Content-Type: text/plain; charset="us-ascii"
> Hi list,
> I have an embedded device running linux kernel and a minimal filesystem.
> I want to access this device remotely which means I should be able to connect to the device just like we do Remote Desktop over ethernet.
> I am able to do this. I am able to send key-event and framebuffer data whenever my desktop machine connects to the device.
> But, I am not able to send audio data on remote side.
> I am really not sure which device file (/dev/snd/ ???) I should read and capture the data and should send across....
> Or can I read the playback device ? I think NO.
> Do I need to create some kind of virtual sound device ?
> Any pointers/suggestions are appreciated.
> Thanks,
> Viral
If you want to reroute an ALSA application over the network, you can use 
output plugins. Afaik, both PulseAudio and RSound provides plugins for 
this. You generally want to set up a virtual device in .asoundrc or 

-- Hans-Kristian Arntzen

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