Yes, they are 2 threads, one for audio callback (Real-Time) and one
for non RT code, that is notifications from the server. But in
general this is completely transparent for applications, and I don't
know of any applications that show problems because of that (if they
are some, please tell me... ((:)
> and with MIDI?
Dmitry Baikov was working on that, and part of the code for MIDI in
already in jackdmp MIDI branch, although it is not complete yet.