[nas] Exporting audio output

[mbuch at IFF572.IFF.KFA-JUELICH.DE]

On Tue, 10 Feb 2004, Shardool wrote:

> Date: Tue, 10 Feb 2004 17:09:49 +0530 (IST)
> From: Shardool <shardool at iiita.ac.in>
> To: nas at radscan.com
> Subject: [nas] Exporting audio output
> 
> HI,
> 
> I am a newbie and have recently installed NAS. I came across NAS while
> trying to find a solution to a problem which is as follows:
> I have two systems that are connected over a network the first one is a P4
> with an 80GB hard disk. The second one is a P3 with a small 10GB disk
> space.
> I have to use both the systems frequently but the major volume of my work
> is confined to the first system.
> I was looking for a way to export the X-server of the first system on the
> second one so that i could utilize to resources of the first one
> especially while watching movies and playing games. I was able to do it
> using XDMCP.
> The problem is that although the x-server was exported successfully,
> complete with the login screen etc. i was not able to get the sound
> generated by the  applications on the first system on the second one.
> That means when i play a movie (or any application) on the first system
> using XDMCP i get the video output on the second one but the audio still
> plays on the first one.
> Is there any way i can direct the audio output of the first system to that
> of the second one?
> Using a protocol like NFS or SMB to mount the file systems of the first
> system on the second one is not a solution.
> 
> I tried using NAS to somehow solve the problem. I stared nasd on the
> second system and directed the audio output of the first system to the
> second one using using a pipe on the first one
> mkfifo temp
> dd if=/dev/dsp of=temp
> and tried to play 'temp' on the second system using auplay. But i suppose
> auplay requires a regular file as an argument.
> 
> I also tried directing the output of 'temp' of the first system to the
> /dev/dsp of the second system using cat and ssh.
> by the following command n the first system:
> cat temp| ssh -l username second_system -- dd of=/dev/dsp
> but i got some garbled noise as the output on the second system.
> 
> Any suggestions are welcome.

You can use libaudiooss for NAS: http://www.mo.himolde.no/~knan/linux.html
on the client side to get sound working. (However your the sound
quality will be bad if you have low networking bandwidth)

				Matthias

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