[K12OSN] sound advice K12LTSP with Windows Terminal Server 2003
thepiano at telenet.be
Thu Feb 23 19:16:02 UTC 2006
You just made my day!
I was having big problems in getting sound to work locally when using
rdesktop, and it seems that your esddsp idea will make my live a lot
Keep up your good work, and I'll test the puppy out tomorrow !
Just needed this !
On 23-feb-06, at 17:19, Gideon Romm wrote:
> I figured I would chime in with a few pointers on sound. Also, since
> you contacted me, I conducted a quick experiment to make sure I
> have my
> facts straight.
> Here goes. First of all, let me preface this with the fact that
> all of
> my experience is with esd - not nasd (as you use), so not all of the
> assertions below may apply in a nasd environment:
> 1. With esd, if you have several different screens set up on your
> terminal of ANY FLAVOR (ie, 1 W2k3 + 1 Linux, 2 Linux, 2 W2k3,
> etc), you
> will only ever get sound on one screen in the current
> configuration. I
> am still unclear as to whether this is a limitation of esd itself (not
> being able to blend streams from two separate esd clients at the same
> time) or whether there is just some esd magic to allow it. I have
> adding the "-promiscuous" flag to /etc/rc.sound, but to no avail.
> Basically, if you have two screens set up to run esd clients, the
> one that you log into will win control of the sound daemon.
> 2. GOOD NEWS! I ran "esddsp rdesktop -r sound:local <ip>" from my
> application server, and got the calming (?) welcome audio from
> Even an mp3 played nicely. This is a far cry from my previous
> experiences with ultra-slow audio, so either things have improved, or
> the network was cooperating when I ran my test. So, thats an option.
> 3. If you are interested in hacking the rdesktop.wrapper script in the
> LTSP tree to run "esddsp rdesktop" instead of "rdesktop" be
> It appears the esd package was not compiled 100% correctly in the LBE,
> and it looks for libs in /usr/local/lib, rather than /usr/lib. A
> symlink of $LTSPROOT/usr/local to ../ clears that up. But,
> assertion #1
> still remains. Perhaps a TODO for us developers is to clean up the
> ltsp-esd package and change the rdesktop wrapper to use esd if esd is
> the chosen sound daemon.
> In an esd world, to have one's cake and eat it too, running windows
> the linux server with "esddsp rdesktop" may be the best shot at it.
> In a nasd world, I'm not the one to ask ;)
> All the best,
> On Fri, 2006-02-17 at 20:33 -0500, David Trask wrote:
>> Oh....one more thing...I'm using IceWM too.....(this sometimes
>> makes a
>> "Support list for opensource software in schools."
>> <k12osn at redhat.com> on
>> Friday, February 17, 2006 at 8:31 PM +0000 wrote:
>>> I need some ideas.
>>> I have a K12LTSP network with a mix of terminals, but my lab and the
>>> library are all LTSP Term 150's from disklessworkstations.com. My
>>> issue....getting sound to work well on the K12LTSP terminals from
>>> the Windows Terminal Server session.
>>> Background: I have nasd enabled in lts.conf and in
>>> works....Flash, MPlayer....games....everything. If I type
>>> rdesktop -f
>>> -a 16 -d vcsnet -r sound 10..0.7.253 and log in....I get
>>> sound....albeit very choppy and with considerable delay.
>>> Today I was off-site with my Ubuntu laptop and I figured "what the
>>> heck"....I tried to get sound working in an rdesktop session by
>>> typing the
>>> command above with an external IP to access my server and lo' and
>>> the sound worked great! Now granted....we're talking local
>>> install vs.
>>> terminal.....and we're also dealing with esd and possibly
>>> vs. nasd.
>>> Does anyone out there have sound from Windows Terminal services
>>> alright through their terminals....and if so....how'd you do it?
>>> Also....any advice on what I can try....I'm open to trying new
>>> sound ideas
>>> so long as it'll work with Flash.
>>> David N. Trask
>>> Technology Teacher/Director
>>> Vassalboro Community School
>>> dtrask at vcsvikings.org
>>> K12OSN mailing list
>>> K12OSN at redhat.com
>>> For more info see <http://www.k12os.org>
>> David N. Trask
>> Technology Teacher/Director
>> Vassalboro Community School
>> dtrask at vcsvikings.org
>> K12OSN mailing list
>> K12OSN at redhat.com
>> For more info see <http://www.k12os.org>
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