pulse audio & jack

[Ralf Mardorf]

On Wed, 2012-11-14 at 10:27 -0500, Mac wrote:
> When I installed 12.04 UbStudio I was pleased to see pulse audio
> played nice with jack. (i.e. when qjackctl starts pulse sinks/sources
> show up by default).
> 
> Is there any documentation or overview of how this is accomplished?
> I'd like to understand and possibly modify what shows up, etc.
> 
> Or, can anyone post some ideas on where to start? (I googled a bit
> with little success.)
> 
> On a related note: if I run/start qjackctl things work fine. If I then
> tell qjackctl to stop and choose yes/continue when it prompts about
> clients still connected it can't connect when I attempt to start it
> again. The message says it can't connect(or start) to the server.
> 
> I'm guessing there are stale processes that are not allowing the
> restart, but, I'm not real sure where to begin to determine how to
> correctly stop jack so it doesn't get it's knickers in twist.
> 
> Regards,
> Mac
> 

Perhaps a DBUS thingy? If you start qjackctl, it will launch the script
in /usr/bin, this script will turn off pulseaudio and than run
qjackctl.real, the actually/real qjackctl. So when using qjackctl,
pulseaudio shouldn't cause issues. DBUS might cause issues.

Regards,
Ralf