Description

GStation-Edit is a linux replacement for the Windows based J-Edit software from Johnson Amplification. J-Edit is an interface for the J-Station guitar / bass amp modeling and effect processing system.

GStation-Edit development started in 2009 at sourceforge

Screenshots

With default GNOME theme

With dark GNOME theme

Features

• Search the J-Station on the available MIDI ports.
• Connect to the J-Station.
• Load user's bank programs.
• Modify parameters/program from the UI and update the J-Station.
• Modify parameters/program from the J-Station and update the UI.
• Undo or Store changes from the UI.
• Update utility settings (digital output level, cabinet emulation, ...).
• Track changes with a * in the bank list with the same meaning as the LED on the Store button on the J-Station.

Not supported yet

• The following items in the program list's contextual menu: export and import a program, copy / paste, rename.
• Scale widgets will not get to their full range.
• Scale widgets display raw values. Actual units should be displayed instead (such as dB, ms, etc.)
• Factory banks are selectable from the J-Station, but will not be reflected in the UI.
• Only firmware 2.0 is supported. If someone uses firmware 1.0, please contact me and we could have GStation-Edit compatible with both firmware.

How to run GStation-Edit

Dependencies

Make sure your system includes the following dependencies:

• python-2.7 (Python 3 can't be used due to the dependency on PyAlsa which is stucked to Python 2)
• GTK 3.16 or higher
• gobject-introspection
• pygobject or python-gobject
• pyalsa or python-alsa

Runing from source

You can launch GStation-Edit from the download root directory:

$ ./gstation-edit

Install

You can install gstation-edit in order to integrate with your DE. After the installation, there should be a "GStation-Edit" entry in the Audio and Video menu.

User install

From the dowload root directory:

$ ./setup.py install --user

System wide install

From the dowload root directory:

# sudo ./setup.py install

Troubleshooting (WIP)

Could not connect to J-Station

There are many reasons for not being able to connect to J-Station. This could range from a simple physical connection to conflicts with other MIDI devices.

Check the connection

1. Make sure the MIDI OUT link from the computer is connected to the MIDI IN port on the J-Station and vice versa.
2. Make sure the MIDI/J8 switch of the J-Station is switched to the right when looking at the back of the J-Station. The switch must be vertically aligned with the top mark next to the MIDI IN label.

Check that the MIDI interface is detected

The main window and MIDI select dialog doesn't show up

If nothing happens when you launch GStation-Edit (see How to run GStation-Edit above), you probably forgot to install a dependency. This should be explicit on the command line if you run GStation-Edit from source (see Runing from source above). If you get something not that obvious, don't hesitate to drop me a message with the output from the command line.

The main window shows up

The MIDI ports detected by Py-ALSA should display In the comboboxes. If the comboboxes are empty, you probably have an issue with your MIDI interface. Drop me a message with any relevant information if you think your MIDI interface is properly installed and recognized by the OS.

If you can see the MIDI ports in the comboboxes but the connection fails when you try to auto-connect:

• Disconnect any other MIDI device
• Try different combinaisons with the MIDI and Sysex channels. Since I never met this situation, it is possible that GStaton-Edit is not robust to all cases. Send me a message with the details.