nfroidure / midiplayer

Play MIDI file right in your browser with the WebMIDIAPI

MIDIPlayer

MIDIPlayer allows you to play MIDI files in your browser with the help of the WebMIDIAPI.

MIDIPlayer can be used either in modern browsers (pick the last bundle) or with NodeJS by installing the following NPM module :

npm install midiplayer

This player is used for this MIDI Karaoke Player

## Usage

//Require MIDIPlayer and MIDIFile modules
var MIDIPlayer = require('midiplayer');
var MIDIFile = require('midifile');


navigator.requestMIDIAccess().then(function(midiAccess) {
	// Creating player
	var midiPlayer = new MIDIPlayer({
	  'output': midiAccess.outputs()[0]
	});

	// creating the MidiFile instance from a buffer (view MIDIFile README)
	var midiFile = new MIDIFile(buffer);

	// Loading the midiFile instance in the player
	midiPlayer.load(midiFile);

	// Playing
	midiPlayer.play(function() {
		console.log('Play ended');
	});

	// Volume
	midiPlayer.volume = 80; // in percent

	// Pausing
	midiPlayer.pause();

	// Resuming
	midiPlayer.resume();

	// Stopping
	midiPlayer.stop();

	// Playing again and loop
	midiPlayer.play(function playCallback() {
		midiPlayer.play(playCallback);
	});

}, function() {
	console.log('No midi output');
});

License

Copyright Nicolas Froidure 2013. MIT licence.