G. JACK Transport

gjacktransport is a standalone application that provides access to the jack audio connection kit‘s, JACK transport mechanism via a dynamic graphical slider.

in other words: this software allows to seek Audio/Video media files when they are played along jack transport. Intended for audio-engineers or A/V editors that work with arodour, ecasound, hydrogen and/or xjadeo,..

Additionally it provides 'gjackclock'. A "Big Clock" display for jack-transport.


gjacktransport, qjackctrl and xjadeo

3 gjacktransports




GJackTransport Features

  • [dynamic|bidir|touchable] slider to control jack-transport
  • jack connect/disconnect
  • set slider start and end points in various units
  • local-memory: remember start/end points
  • auto-zoom and reposition slider
  • save and restore settings.
  • LASH support

GJackClock Features

  • customizable font, size & colors
  • fixed FPS setting or FPS from jack-timebase-master
  • jack-transport control via key-bindings
  • read settings from .rc

Build and Install


compile from release:

tar xzf .../gjacktransport-?.?.?.tgz 
cd gjacktransport-*
./configure && make
sudo make install

OR get and compile from SCM:

git clone git://gjacktransport.git.sourceforge.net/gitroot/gjacktransport/gjacktransport
cd gjacktransport
#git pull 
./autogen.sh && make
sudo make install

Contact Support for feeback, bug-reports and suggestions.

missing features

  • gjacktransport: dynamic create/name memory-presets
  • man-pages
  • you name it


see also: