[pulseaudio-discuss] Sharing X application the old way with sound

[Tanu Kaskinen]

On Tue, 2014-10-07 at 15:03 +0200, Edouard Gaulué wrote:
> Hi community,
> 
> There is a time when too much information kills information (old 
> information, partial information, wrong information...). I've been 
> googling for hours now and read a lot but I still don't know what to do 
> to implement my needs.
> 
> I think they are rather classical: I want to build a Firefox/Iceweasel 
> application server with several simultaneous clients using Raspberry Pi 
> using ssh, everything being in a LAN. Of course each user needs to hears 
> just its own application sound.
> 
> I don't want to send a full desktop manager like Gnome, KDE to the 
> client but just the application.
> 
> I've read that pulsaudio was per user, somewhere else per session, and 
> in a last place that to work with several users at the same time I 
> needed the "system" deamon. I've tried a lot...
> 
> I've also read the documentation regarding connexion between X11 and 
> pulseaudio. I've looked arround x2go and xfreerdp but I never found this 
> particular use case.
> 
> So, as of october 2014, is it just possible? With one only deamon 
> instance? If yes what would be the main setting keys on the server and 
> on the client? Is start-pulseaudio-x11 needed?

If I understood correctly, you have the display and the sound card in
the client machine, and run firefox in the server machine. This blog
post by Colin Guthrie should be useful (especially the "Remote X11
Application" section):
http://colin.guthr.ie/2009/08/sound-on-linux-is-confusing-defuzzing-part-2-pulseaudio/

-- 
Tanu