[alsa-devel] redirecting audio to another desktop machine

[Hans-Kristian Arntzen]

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 
similar.

-- Hans-Kristian Arntzen