[alsa-devel] redirecting audio to another desktop machine
Viral.Mehta at lntinfotech.com
Mon Jun 21 14:10:59 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>
>> <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.
>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
thanks for the reply.
Let me make sure I understood it in general..... Is it possible to use same plugins (or any other) if my embedded device is connected to my desktop machine via USB (assuming that I have all USB data transfer mechanism/drivers underlying).
If I setup a virtual device in .asoundrc, audio (or say aplay) applications will pass audio data to my virtual device ??
Do I also need to create any such virtual interface from kernel code as well ?
-- Hans-Kristian Arntzen
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