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PPColor

Send dominant color of 2nd screen as MIDI notes

Idea

This tool measures the dominant color of the second screen and sends it as 3 MIDI notes to another device.

Combined with a MIDI-capable light control system this is meant to provide an "Ambilight-like" experience for videos, presentations, etc.

The tool was tested with ProPresenter background videos, Native Instruments Komplete Audio 6 sound/MIDI interface and a grandMA2 onPC light control system.

Requirements

JDK 8.0 or higher with javax.sound.midi available

Usage

Build with ./gradlew jar proguard or download a release JAR

Run with java -jar ppcolor-<version>.jar

Output

The program will print 2 Color values for every measurement:

  • The average color resulting from the top N (default: N <= 100) values taken from the latest screenshot, weighted with Saturation x Brightness
  • The resulting color after transformation to HSB and modification of saturation (S) and brightness (B) to 1.0 (maximum saturation/brightness)