Qjackctl

Qjackctl is an open source software written in Qt and designed to control the JACK sound server daemon, specific for the Linux audio desktop infrastructure.

Qjackctl provides a simple GUI (Graphical User Interface) dialog for setting several JACK daemon parameters.

What is new in this release:

• More preparations for Qt5 configure build.
• Interface device selection is now unified, by moving the old '>' pop-up menu into the customized combo-box drop-down list showing all available card/device names and descriptions (on a patch by Arnout Engelen, thanks).
• Added include to shut up gcc 4.7 build failures (patch by Alexis Ballier, thanks).

What is new in version 0.3.10:

• Session infra-client management finally being added.
• Preparations for Qt5 migration.
• Transport tempo (BPM) precision display fixed to 4 digits.
• Color-candy (dang old ANSI terminal?) escape sequences are now silently stripped from jackdbus messages captured log (one-liner from original patch by Brendan Jones, thanks).
• List ALSA device card id. string instead of device number, while on setup dialog.
• Japanese (ja) translation added (by Takashi Sakamoto).

What is new in version 0.3.8:

• JACK session versioning has been added.
• Desktop-environment session shutdown has been improved.
• The connections refresh button now reconstructs all client/ports and connections.
• Connections client/port aliases editing has been fixed.

What is new in version 0.3.7:

• Session widget has session save type preserved as well.
• Connections and the new Messages/Status widgets now have their last open tab preserved across program run-cycles.
• Connections and Patchbay widgets have been finally given up on an old feature request: an Expand All items button.
• A significant UI layout has been made: the Messages and Status widgets were merged into one, giving space to the brand new Session wigdet to be easy accessible from the main panel control window.
• libX11 is now being added explicitly to the build link phase, as seen necessary on some bleeding-edge distros eg. Fedora 13, Debian 6. (closing bug #3050915).
• Input/Output latency options were missing but now finally enabled for the firewire back-end.
• General standard dialog buttons layout is now in place.
• Avoid pre-loading a stalled patchbay definition filename and its nagging error on startup (fixes bug #3017078).
• Client connection retrial logic scrapped. Being a leftover from early ages, when machines were slower and JACK server startup times were longer... now, if it can't connect first time as client, it will tear down the server whether it's starting up still or not at all. (cf. Setup/Settings/Start Delay for the rescue).
• Server name is finally part of the server settings presets, thanks to Fons Adriaensen for the heads-up.
• As a workaround regarding issues switching jack2's backends, Robin Gareus sends us yet another D-Bus metho slot: "preset", (dbus-send --system / org.rncbc.qjackctl.preset string:PRESET). Thanks again.
• Another D-Bus interface slot makes it through implementation: "quit" (eg. usage: dbus-send --system / org.rncbc.qjackctl.quit). Besides, there's also these new JACK session management actions which were being overlooked as well: "load", "save", "savequit" and "savetemplate" are also available as D-Bus method slots.
• Make sure that Patchbay socket names are unique when adding or copying, fixing previous patch by Dominic Sacre.
• JACK version is now being shown on the About box (jack2).
• Slight Connections widget behavioral change: (dis)connecting a client (from) to one single port, (dis)connections will be applied in sequence from (to) all client output ports to (from) as many input ports there are in below, one by one (satisfying a 5 year old request from Yann Orlarey, thanks:).
• JACK session support is being introduced.
• Ignore first XRUN occurrence option dropped from statistics.
• Initial widget geometry and visibility persistence logic has been slightly revised as much to avoid crash failures due to wrong main widget hidden state.
• Double-quotes are now being added to device names which include blank characters and were rendering invalid all command line invocation of the classic JACK server (eg. specially due for Portaudio device names on Windows).
• Transport play (rolling) status is now being guarded to avoid backfiring from extraneous transport state changes.
• General source tree layout and build configuration change.
• Italian (it) translation added (by Sergio Atzori).
• Post-shutdown script invocation logic slightly refactored in attempt to enforce its execution on application quit.

What is new in version 0.3.6:

• Make sure socket names are unique on each side of the Patchbay (another patch from Dominic Sacre, thanks).
• A bunch of primitive D-Bus interface slots have been added, allowing shortcut access to most of main applications actions like toggling Messages, Status, Connections, Patchbay widget pop-ups, reset stats, transport and so on. New bindings are given eg. via dbus-send --system / org.rncbc.qjackctl.(main, messages, status, connections, patchbay, setup, about, reset, rewind, backward, play, pause, forward). (from an original idea from Sebastian Gutsfeld, thanks).
• Patchbay snapshot now tolerates JACK client port strings that have more than one semi-colon in it, honoring just the first one exactly as everywhere else eg. Connections. (a glitch as reported by Geoff Beasley while using a2jmidid).
• Most modal message dialog boxes (eg. critical errors) are now replaced by system tray icon bubble messages where available (mitigating feature request #2936455).
• Comply with jackd >= 0.118.0 which now runs in real-time mode by default; use of -R is now deprecated from the jackd command line interface options; use -r to run in non-real-time-scheduling.
• A man page has beed added.
• Got rid of a pretty old and never really useful "jackd-realtime" server path option--actually, it was only seen available on the now defunct old Mandrake Linux distro.
• D-Bus support, as provided by org.jackaudio.service aka jackdbus, is now being introduced and used wherever available and whenever enabled. Configuring, starting, stopping and logging the JACK back-end server through the "infamous" jackdbus service is now being seamlessly exploited.
• Global configuration state is now explicitly saved/committed to disk when Setup dialog changes are accepted and applied.
• Server name command line option added (-n, --server-name).
• Single application instance restriction option added (X11).
• Setup for the netjack (slave) "net" driver has now sample-rate and frames per buffer (period size) settings disabled and/or ignored, as those are pretty much auto-detected by default; also, a new "netone" backend driver option has been introduced (as suggested by Torben Hohn).
• Czech (cs) translation added (by Pavel Fric).
• Fixed some main window keyboard shortcuts. Escape key now closes Connections, Patchbay, Status and Messages widgets as usual (bug #2871548).
• Fixed glitch on configure portaudio support, specially when the library is not detected as available.

What is new in version 0.3.5:

• Support for UTF-8 client/port names has been added.
• Only one single patchbay connection is now allowed on exclusive sockets.
• Automatic crash-dump reports as debugger stack-traces are now enabled on debug builds.
• Client/port renaming has been fixed.
• A portaudio device selector is now available.
• Primitive D-Bus interface slots have been introduced.
• A command line option to activate a patchbay profile has been added.
• New tentative support for netjack (slave).
• Alternate icon sizes are now effective.
• There are a few other bugfixes.

What is new in version 0.3.4:

• Introducing the very first and complete translations in-package: German (de), Spanish (es), French (fr) and Russian (ru); credits in TRANSLATORS.
• At last, after years of retarded procrastination, the old infamous patchbay snapshot feature has been the subject of a almost complete rewrite and it does try to give a way better mapping of all actual and current running client/port connections, both JACK (audio, MIDI) and ALSA MIDI, of course ;)
• On Setup/Settings/Parameters dialog, all device selection options are now reset to default when disabled interactively.
• Grayed/disabled palette color group fix for dark color themes.
• Qt Software logo update.
• Fait-divers: desktop menu file touched to openSUSE conventions.
• ALSA PCM devices now only listed/enumerated iif strictly compliant with the audio mode criteria (Duplex, Capture-only or Playback-only) as kindly suggested by Nedko Ardaunov.
• JACK client/port aliases may now be displayed as a global user option (see Setup/Display/Connections/JACK client/port aliases).
• Lighten up the connections line and highlight colors, as seen to fit best on some darker background themes.
• Patchbay snapshot fixed to differentiate socket clients according to its type (Audio, MIDI or ALSA-Seq), avoiding the mess and gross mistake of hanging disparate type ports under the same client item.
• JACK_DEFAULT_SERVER environment variable is now appended to the X11 unique application identifier, allowing for having multiple instances each controlling its own JACK server, besides the default one.
• Due to some trouble with newer Qt >= 4.4 applications regarding font size configuration, a new global user option is now available to the rescue: Setup/Misc/Defaults/Base font size (default is no-op).

Requirements:

• Jack audio connection kit