midifile-performer-js

This is an emscripted version of the libMidifilePerformer c++ library, based on the work of Jean Haury and Bernard P. Serpette.
It provides a main entry point, the Performer class.
A Performer must first be fed with a succession of MIDI note events extracted from a MIDI file.
These notes will be reorganized into Chronology classes.
Chronologies are degraded representations of the MIDI files that allow to reinterpret them with a few command keys in a very musically expressive way.

Usage

nodejs `js const MidifilePerformer = require('midifile-performer');

MidifilePerformer.onRuntimeInitialized = function() { const performer = new MidifilePerformer.Performer({ unmeet: true, complete: false, shiftMode: MidifilePerformer.shiftMode.pitchAndChannel, temporalResolution: 0, });

performer.setChordVelocityMappingStrategy( MidifilePerformer.chordStrategy.sameForAll ); }


* browser
```js
import MidifilePerformer from 'midifile-performer';

async initialize() {
  this.mfp = await MidifilePerformer();

  this.performer = new this.mfp.Performer({
    unmeet: true,
    complete: false,
    shiftMode: this.mfp.shiftMode.pitchAndChannel,
    temporalResolution: chordDeltaMsDateThreshold,
  });
  this.performer.setChordVelocityMappingStrategy(
    this.mfp.chordStrategy.none,
    // this.mfp.chordStrategy.clippedScaledFromMax,
  );
  this.performer.setLooping(true);
}

initialize();

/* ... */

Build instructions

requirements

cmake
emscripten (clone emsdk and follow installation procedure)

commands

npm run build
npm run test

Package detail