QjackCtl - JACK Audio Connection Kit Qt GUI Interface
QjackCtl is a simple Qt application to control the JACK sound server daemon (http://jackit.sourceforge.net), for the Linux Audio Desktop infrastructure.
Written in C++ around the Qt3 toolkit for X11, most exclusively using Qt Designer.
Provides a simple GUI dialog for setting several JACK daemon parameters, which are properly saved between sessions, and a way control of the status of the audio server daemon. With time, this primordial interface has become richer by including a enhanced patchbay and connection control features.
Homepage: http://qjackctl.sourceforge.net
License: GNU General Public License (GPL)
Installation
The installation procedure follows the standard for source distributions:
./configure [--prefix=/usr/local]
make
and optionally as root:
make install
This procedure will end installing the following couple of files:
${prefix}/bin/qjackctl
${prefix}/share/icons/qjackctl.png
Just launch ${prefix}/bin/qjackctl and you're off (hopefully).
Configuration
QjackCtl holds its settings and configuration state per user, in a file located as $HOME/.qt/qjackctlrc. Normally, there's no need to edit this file, as it is recreated and rewritten everytime qjackctl is run.
Bugs
Probably plenty still, but qjackctl it's now considered on beta stage already. It has been locally tested since JACK release 0.98.0, on SuSE 9.1, Mandrake 10.0 and Fedora Core 1, with custom 2.4 kernels with low-latency, preemptible and capabilities enabling patches. As for 2.6 kernels, the capabilities patch may also apply but the emergence of the Realtime Linux Security Module (LSM) and Ingo Molnar's Realtime Preemption kernel patch it's being now recommended for your taking benefit of the realtime and low-latency audio pleasure JACK can give.
Support
QjackCtl is open source free software. For bug reports, feature requests, discussion forums, mailling lists, or any other matter related to the development of this piece of software, please use the Sourceforge project page (http://sourceforge.net/projects/qjackctl).
Acknowledgments
QjackCtl's user interface layout (and the whole idea for that matter) was partially borrowed from Lawrie Abbott's jacko project, which was taken from wxWindow/Python into the Qt/C++ arena.
Since 2003-08-06, qjackctl has been included in the awesome Planet CCRMA (http://ccrma-www.stanford.edu/planetccrma/software/) software collection. Thanks a lot Fernando!
Here are some people who helped this project in one way or another, and in fair and strict alphabetic order:
Alexandre Prokoudine Kasper Souren
Austin Acton Kjetil Matheussen
Ben Powers Lawrie Abbott
Chris Cannam Lee Revell
Dan Nigrin Lucas Brasilino
Dave Phillips Mark Knecht
Dirk Jagdmann Matthias Nagorni
Fernando Pablo Lopez-Lezcano Melanie
Filipe Tomás Orm Finnendahl
Florian Schmidt Paul Davis
Fons Adriaensen Robert Jonsson
Geoff Beasley Sampo Savolainen
Jack O'Quin Stephane Letz
Jesse Chappell Steve Harris
Joachim Deguara Taybin Rutkin
Jussi Laako Wilfried Huss
Karsten Wiese Wolfgang Woehl
Thanks to you all.
rncbc aka Rui Nuno Capela
rncbc@rncbc.org