On Fri, 2002-02-08 at 09:27, Nick Sklav wrote:
> Hello, list
>
> We have setup and ltsp Lab here in our office and even got the sound
card detected on the workstations.
>
> Now my question is they still will not play sound so im assuming that
the workstation must somehow export sound so it runs it localy and not
on the server. Here lies the problem.
>
Nick
It's the other way round.
When you boot your diskless workstation, if you watch carefully, you
should see the kernel modules for your sound card loading, followed by a
message saying something like 'accepting audio input on port 16001'.
Back on the server, let's say you have xmms installed, and some .mp3s
waiting to test. Within xmms, choose 'options' -> 'preferences' ->
'audio I/O plugins'. Under 'Output Plugin', select the 'eSound Output
Plugin'. If you now click 'configure', under 'Server' you should see
'use remote host' selected, with a hostname of 'ws001.mydomain.whatever'
with a port of 16001.
So, what is happening on the host is that when the user plays an .mp3
though xmms, the output goes to the eSound plugin, which fires it off
over the network to port 16001 on your the diskless workstation
'ws001.mydomain.whatever', where it is played.
So, through the miracles of networking, twenty different people can all
run xmms on the server and still get the sound coming out of the local
workstation they are using.
You should also note there is no security on this, so a malicious user
could redirect their music through someone else's workstation...
John
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