grunt
Michael Deal
parent
80a033f09b
commit
6982683d49
230
build/MIDI.js
230
build/MIDI.js
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@ -552,7 +552,9 @@ MIDI.loadPlugin = function(conf) {
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}
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}
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if (type === "") {
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if (window.webkitAudioContext) { // Chrome
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if (navigator.requestMIDIAccess) {
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type = "webmidi";
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} else if (window.webkitAudioContext) { // Chrome
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type = "webaudio";
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} else if (window.Audio) { // Firefox
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type = "audiotag";
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@ -572,10 +574,9 @@ MIDI.loadPlugin = function(conf) {
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var connect = {};
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connect.java = function(filetype, instruments, callback) {
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// works well cross-browser, and fully featured, but has delay when Java machine starts.
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if (MIDI.loader) MIDI.loader.message("Java API...");
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MIDI.Java.connect(callback);
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connect.webmidi = function(filetype, instruments, callback) {
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if (MIDI.loader) MIDI.loader.message("Web MIDI API...");
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MIDI.WebMIDI.connect(callback);
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};
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connect.flash = function(filetype, instruments, callback) {
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@ -659,9 +660,9 @@ connect.webaudio = function(filetype, instruments, callback) {
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/// Helpers
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var plugins = {
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"#webmidi": true,
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"#webaudio": true,
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"#audiotag": true,
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"#java": true,
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"#flash": true
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};
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@ -976,28 +977,106 @@ var stopAudio = function () {
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})();
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/*
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--------------------------------------------
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MIDI.Plugin : 0.3 : 11/20/2012
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MIDI.Plugin : 0.3.2 : 2013/01/24
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--------------------------------------------
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https://github.com/mudcube/MIDI.js
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--------------------------------------------
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MIDI.WebAudioAPI
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MIDI.Flash
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MIDI.HTML5
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MIDI.GeneralMIDI
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MIDI.channels
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MIDI.keyToNote
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MIDI.noteToKey
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APIs:
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MIDI.WebMIDIAPI
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MIDI.WebAudioAPI
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MIDI.Flash
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MIDI.HTML5
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--------------------------------------------
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setMute?
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getInstruments?
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-------------------------------------
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Helpers:
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MIDI.GeneralMIDI
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MIDI.channels
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MIDI.keyToNote
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MIDI.noteToKey
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*/
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if (typeof (MIDI) === "undefined") var MIDI = {};
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if (typeof (MIDI.Plugin) === "undefined") MIDI.Plugin = {};
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(function() { "use strict";
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/*
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--------------------------------------------
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Web MIDI API - Native Soundbank
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--------------------------------------------
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https://dvcs.w3.org/hg/audio/raw-file/tip/midi/specification.html
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*/
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(function () {
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var plugin = null;
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var output = null;
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var channels = [];
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var root = MIDI.WebMIDI = {};
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root.setVolume = function (channel, volume) { // set channel volume
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output.send([0xB0 + channel, 0x07, volume]);
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};
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root.programChange = function (channel, program) { // change channel instrument
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output.send([0xC0 + channel, program]);
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};
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root.noteOn = function (channel, note, velocity, delay) {
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output.send([0x90 + channel, note, velocity], delay * 1000);
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};
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root.noteOff = function (channel, note, delay) {
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output.send([0x80 + channel, note], delay * 1000);
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};
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root.chordOn = function (channel, chord, velocity, delay) {
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for (var n = 0; n < chord.length; n ++) {
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var note = chord[n];
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output.send([0x90 + channel, note, velocity], delay * 1000);
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}
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};
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root.chordOff = function (channel, chord, delay) {
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for (var n = 0; n < chord.length; n ++) {
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var note = chord[n];
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output.send([0x80, channel, note, velocity], delay * 1000);
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}
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};
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root.stopAllNotes = function () {
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for (var channel = 0; channel < 16; channel ++) {
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output.send([0xB0 + channel, 0x7B, 0]);
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}
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};
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root.getInput = function () {
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return plugin.getInputs();
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};
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root.getOutputs = function () {
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return plugin.getOutputs();
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};
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root.connect = function (callback) {
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MIDI.technology = "Web MIDI API";
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MIDI.setVolume = root.setVolume;
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MIDI.programChange = root.programChange;
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MIDI.noteOn = root.noteOn;
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MIDI.noteOff = root.noteOff;
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MIDI.chordOn = root.chordOn;
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MIDI.chordOff = root.chordOff;
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MIDI.stopAllNotes = root.stopAllNotes;
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MIDI.getInput = root.getInput;
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MIDI.getOutputs = root.getOutputs;
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navigator.requestMIDIAccess(function (access) {
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plugin = access;
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output = plugin.getOutput(0);
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if (callback) callback();
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}, function (err) {
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console.log("uh-oh! Something went wrong! Error code: " + err.code );
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});
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};
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})();
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/*
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--------------------------------------------
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Web Audio API - OGG or MPEG Soundbank
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@ -1073,14 +1152,6 @@ if (window.AudioContext || window.webkitAudioContext) (function () {
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return source;
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};
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root.chordOn = function (channel, chord, velocity, delay) {
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var ret = {}, note;
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for (var n = 0, length = chord.length; n < length; n++) {
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ret[note = chord[n]] = root.noteOn(channel, note, velocity, delay);
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}
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return ret;
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};
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// FIX: needs some way to fade out smoothly..
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// POSSIBLE FIX: fade out smoothly using gain and ramping to value
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root.noteOff = function (channel, note, delay) {
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@ -1093,6 +1164,14 @@ if (window.AudioContext || window.webkitAudioContext) (function () {
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return source;
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};
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root.chordOn = function (channel, chord, velocity, delay) {
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var ret = {}, note;
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for (var n = 0, length = chord.length; n < length; n++) {
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ret[note = chord[n]] = root.noteOn(channel, note, velocity, delay);
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}
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return ret;
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};
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root.chordOff = function (channel, chord, delay) {
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var ret = {}, note;
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for (var n = 0, length = chord.length; n < length; n++) {
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@ -1102,7 +1181,7 @@ if (window.AudioContext || window.webkitAudioContext) (function () {
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};
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root.connect = function (callback) {
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MIDI.lang = 'WebAudioAPI';
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MIDI.technology = "Web Audio API";
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MIDI.setVolume = root.setVolume;
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MIDI.programChange = root.programChange;
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MIDI.noteOn = root.noteOn;
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@ -1129,7 +1208,6 @@ if (window.AudioContext || window.webkitAudioContext) (function () {
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}
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}
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};
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})();
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/*
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@ -1216,7 +1294,7 @@ if (window.Audio) (function () {
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id: key
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};
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}
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MIDI.lang = 'AudioTag';
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MIDI.technology = "HTML Audio Tag";
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MIDI.setVolume = root.setVolume;
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MIDI.programChange = root.programChange;
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MIDI.noteOn = root.noteOn;
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@ -1324,7 +1402,7 @@ if (window.Audio) (function () {
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}
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}
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///
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MIDI.lang = 'Flash';
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MIDI.technology = "Flash";
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MIDI.setVolume = root.setVolume;
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MIDI.programChange = root.programChange;
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MIDI.noteOn = root.noteOn;
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@ -1347,98 +1425,6 @@ if (window.Audio) (function () {
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};
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})();
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/*
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--------------------------------------------
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Java - Native Soundbank
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--------------------------------------------
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https://github.com/abudaan/midibridge-js
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http://java.sun.com/products/java-media/sound/soundbanks.html
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--------------------------------------------
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*/
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(function () {
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var root = MIDI.Java = {};
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root.connect = function (callback) {
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// deferred loading of <applet>
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MIDI.Plugin = false;
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if (!window.navigator.javaEnabled()) {
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MIDI.Flash.connect(callback);
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return;
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}
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MIDI.Java.callback = callback;
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var iframe = document.createElement('iframe');
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iframe.name = 'MIDIFrame';
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iframe.src = 'inc/midibridge/index.html';
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iframe.width = 1;
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iframe.height = 1;
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document.body.appendChild(iframe);
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};
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root.confirm = function (plugin) {
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MIDI.programChange = function (channel, program) {
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plugin.sendMidiEvent(0xC0, channel, program, 0);
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};
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MIDI.setVolume = function (n) {
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};
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MIDI.noteOn = function (channel, note, velocity, delay) {
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if (delay) {
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var interval = window.setTimeout(function() {
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plugin.sendMidiEvent(0x90, channel, note, velocity);
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}, delay * 1000);
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return interval;
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} else {
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plugin.sendMidiEvent(0x90, channel, note, velocity);
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}
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};
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MIDI.noteOff = function (channel, note, delay) {
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if (delay) {
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var interval = window.setTimeout(function() {
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plugin.sendMidiEvent(0x80, channel, note, 0);
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}, delay * 1000);
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return interval;
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} else {
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plugin.sendMidiEvent(0x80, channel, note, 0);
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}
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};
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MIDI.chordOn = function (channel, chord, velocity, delay) {
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for (var key in chord) {
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var n = chord[key];
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plugin.sendMidiEvent(0x90, channel, n, 100);
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}
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};
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MIDI.chordOff = function (channel, chord, delay) {
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for (var key in chord) {
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var n = chord[key];
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plugin.sendMidiEvent(0x80, channel, n, 100);
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}
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};
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MIDI.stopAllNotes = function () {
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};
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MIDI.getInstruments = function() {
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return [];
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};
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if (plugin.ready) {
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MIDI.lang = "Java";
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if (MIDI.Java.callback) {
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MIDI.Java.callback();
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}
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} else {
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MIDI.Flash.connect(MIDI.Java.callback);
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}
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};
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})();
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/*
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helper functions
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*/
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