cleanup plugin
parent
0cd6f41258
commit
fc49758f40
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@ -24,6 +24,19 @@ if (typeof (MIDI) === "undefined") var MIDI = {};
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(function() { "use strict";
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var setPlugin = function(root) {
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MIDI.technology = root.technology;
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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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};
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/*
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--------------------------------------------
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Web MIDI API - Native Soundbank
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@ -36,8 +49,9 @@ if (typeof (MIDI) === "undefined") var MIDI = {};
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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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var root = MIDI.WebMIDI = {
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technology: "Web MIDI API"
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};
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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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@ -51,7 +65,7 @@ if (typeof (MIDI) === "undefined") var MIDI = {};
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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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output.send([0x80 + channel, note, 0], delay * 1000);
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};
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root.chordOn = function (channel, chord, velocity, delay) {
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@ -64,7 +78,7 @@ if (typeof (MIDI) === "undefined") var MIDI = {};
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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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output.send([0x80 + channel, note, 0], delay * 1000);
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}
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};
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@ -83,17 +97,7 @@ if (typeof (MIDI) === "undefined") var MIDI = {};
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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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setPlugin(root);
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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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@ -112,15 +116,15 @@ if (typeof (MIDI) === "undefined") var MIDI = {};
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--------------------------------------------
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*/
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if (typeof (MIDI.WebAudioAPI) === "undefined") MIDI.WebAudioAPI = {};
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if (window.AudioContext || window.webkitAudioContext) (function () {
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var AudioContext = window.AudioContext || window.webkitAudioContext;
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var root = MIDI.WebAudioAPI;
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var root = MIDI.WebAudioAPI = {
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technology: "Web Audio API"
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};
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var ctx;
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var sources = {};
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var masterVolume = 1;
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var masterVolume = 127;
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var audioBuffers = {};
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var audioLoader = function (instrument, urlList, index, bufferList, callback) {
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var synth = MIDI.GeneralMIDI.byName[instrument];
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@ -149,8 +153,8 @@ if (window.AudioContext || window.webkitAudioContext) (function () {
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});
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};
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root.setVolume = function (n) {
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masterVolume = n;
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root.setVolume = function (channel, volume) {
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masterVolume = volume;
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};
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root.programChange = function (channel, program) {
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@ -171,7 +175,7 @@ if (window.AudioContext || window.webkitAudioContext) (function () {
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source.connect(ctx.destination);
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///
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var gainNode = ctx.createGainNode();
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var value = (velocity / 100) * masterVolume * 2 - 1;
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var value = (velocity / 127) * (masterVolume / 127) * 2 - 1;
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gainNode.connect(ctx.destination);
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gainNode.gain.value = Math.max(-1, value);
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source.connect(gainNode);
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@ -186,6 +190,7 @@ if (window.AudioContext || window.webkitAudioContext) (function () {
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if (!source) return;
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// @Miranet: "the values of 0.2 and 0.3 could ofcourse be used as
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// a 'release' parameter for ADSR like time settings."
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// add { "metadata": { release: 0.3 } } to soundfont files
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source.gain.linearRampToValueAtTime(1, delay);
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source.gain.linearRampToValueAtTime(0, delay + 0.2);
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source.noteOff(delay + 0.3);
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@ -209,13 +214,7 @@ if (window.AudioContext || window.webkitAudioContext) (function () {
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};
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root.connect = function (callback) {
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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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MIDI.noteOff = root.noteOff;
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MIDI.chordOn = root.chordOn;
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MIDI.chordOff = root.chordOff;
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setPlugin(root);
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//
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MIDI.Player.ctx = ctx = new AudioContext();
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///
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@ -248,7 +247,9 @@ if (window.AudioContext || window.webkitAudioContext) (function () {
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if (window.Audio) (function () {
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var root = MIDI.AudioTag = {};
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var root = MIDI.AudioTag = {
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technology: "Audio Tag"
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};
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var note2id = {};
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var volume = 1; // floating point
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var channel_nid = -1; // current channel
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@ -277,8 +278,8 @@ if (window.Audio) (function () {
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MIDI.channels[channel].instrument = program;
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};
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root.setVolume = function (n) {
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volume = n;
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root.setVolume = function (channel, n) {
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volume = n; //- should be channel specific volume
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};
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root.noteOn = function (channel, note, velocity, delay) {
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@ -343,13 +344,7 @@ if (window.Audio) (function () {
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id: key
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};
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}
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MIDI.technology = "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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MIDI.noteOff = root.noteOff;
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MIDI.chordOn = root.chordOn;
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MIDI.chordOff = root.chordOff;
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setPlugin(root);
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///
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if (callback) callback();
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};
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@ -365,7 +360,9 @@ if (window.Audio) (function () {
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(function () {
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var root = MIDI.Flash = {};
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var root = MIDI.Flash = {
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technology: "Flash"
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};
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var noteReverse = {};
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var notes = {};
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@ -450,13 +447,7 @@ if (window.Audio) (function () {
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}
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}
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///
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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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MIDI.noteOff = root.noteOff;
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MIDI.chordOn = root.chordOn;
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MIDI.chordOff = root.chordOff;
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setPlugin(root);
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//
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var interval = window.setInterval(function () {
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if (loaded.length !== 88) return;
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