piano-visualizer

Minimal piano keyboard visualizer for your videos and livestreams!

How to use:

1. Install Processing 4.

   Also available on Homebrew for macOS:

   brew install processing

2. Open Processing 4, select Sketch → Import Library… → Manage Libraries…

   Install both “JavaFX” and “The MidiBus”.

3. Open PianoVisualizer.pde.

4. Press the ▶️ button once. The program will fail to work as expected, but you will see a list of MIDI input/output ports in the Console panel.

5. Go to Line 38, change the number “999” to your actual MIDI input port number.

6. Press the ▶️ button again and enjoy!