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/*
----------------------------------------------------------
GeneralMIDI
----------------------------------------------------------
*/
(function(root) { 'use strict';
root.GM = (function(arr) {
var clean = function(name) {
return name.replace(/[^a-z0-9 ]/gi, '').replace(/[ ]/g, '_').toLowerCase();
};
var res = {
byName: { },
byId: { },
byCategory: { }
};
for (var key in arr) {
var list = arr[key];
for (var n = 0, length = list.length; n < length; n++) {
var instrument = list[n];
if (!instrument) continue;
var num = parseInt(instrument.substr(0, instrument.indexOf(' ')), 10);
instrument = instrument.replace(num + ' ', '');
res.byId[--num] =
res.byName[clean(instrument)] =
res.byCategory[clean(key)] = {
id: clean(instrument),
instrument: instrument,
number: num,
category: key
};
}
}
return res;
})({
'Piano': ['1 Acoustic Grand Piano', '2 Bright Acoustic Piano', '3 Electric Grand Piano', '4 Honky-tonk Piano', '5 Electric Piano 1', '6 Electric Piano 2', '7 Harpsichord', '8 Clavinet'],
'Chromatic Percussion': ['9 Celesta', '10 Glockenspiel', '11 Music Box', '12 Vibraphone', '13 Marimba', '14 Xylophone', '15 Tubular Bells', '16 Dulcimer'],
'Organ': ['17 Drawbar Organ', '18 Percussive Organ', '19 Rock Organ', '20 Church Organ', '21 Reed Organ', '22 Accordion', '23 Harmonica', '24 Tango Accordion'],
'Guitar': ['25 Acoustic Guitar (nylon)', '26 Acoustic Guitar (steel)', '27 Electric Guitar (jazz)', '28 Electric Guitar (clean)', '29 Electric Guitar (muted)', '30 Overdriven Guitar', '31 Distortion Guitar', '32 Guitar Harmonics'],
'Bass': ['33 Acoustic Bass', '34 Electric Bass (finger)', '35 Electric Bass (pick)', '36 Fretless Bass', '37 Slap Bass 1', '38 Slap Bass 2', '39 Synth Bass 1', '40 Synth Bass 2'],
'Strings': ['41 Violin', '42 Viola', '43 Cello', '44 Contrabass', '45 Tremolo Strings', '46 Pizzicato Strings', '47 Orchestral Harp', '48 Timpani'],
'Ensemble': ['49 String Ensemble 1', '50 String Ensemble 2', '51 Synth Strings 1', '52 Synth Strings 2', '53 Choir Aahs', '54 Voice Oohs', '55 Synth Choir', '56 Orchestra Hit'],
'Brass': ['57 Trumpet', '58 Trombone', '59 Tuba', '60 Muted Trumpet', '61 French Horn', '62 Brass Section', '63 Synth Brass 1', '64 Synth Brass 2'],
'Reed': ['65 Soprano Sax', '66 Alto Sax', '67 Tenor Sax', '68 Baritone Sax', '69 Oboe', '70 English Horn', '71 Bassoon', '72 Clarinet'],
'Pipe': ['73 Piccolo', '74 Flute', '75 Recorder', '76 Pan Flute', '77 Blown Bottle', '78 Shakuhachi', '79 Whistle', '80 Ocarina'],
'Synth Lead': ['81 Lead 1 (square)', '82 Lead 2 (sawtooth)', '83 Lead 3 (calliope)', '84 Lead 4 (chiff)', '85 Lead 5 (charang)', '86 Lead 6 (voice)', '87 Lead 7 (fifths)', '88 Lead 8 (bass + lead)'],
'Synth Pad': ['89 Pad 1 (new age)', '90 Pad 2 (warm)', '91 Pad 3 (polysynth)', '92 Pad 4 (choir)', '93 Pad 5 (bowed)', '94 Pad 6 (metallic)', '95 Pad 7 (halo)', '96 Pad 8 (sweep)'],
'Synth Effects': ['97 FX 1 (rain)', '98 FX 2 (soundtrack)', '99 FX 3 (crystal)', '100 FX 4 (atmosphere)', '101 FX 5 (brightness)', '102 FX 6 (goblins)', '103 FX 7 (echoes)', '104 FX 8 (sci-fi)'],
'Ethnic': ['105 Sitar', '106 Banjo', '107 Shamisen', '108 Koto', '109 Kalimba', '110 Bagpipe', '111 Fiddle', '112 Shanai'],
'Percussive': ['113 Tinkle Bell', '114 Agogo', '115 Steel Drums', '116 Woodblock', '117 Taiko Drum', '118 Melodic Tom', '119 Synth Drum'],
'Sound effects': ['120 Reverse Cymbal', '121 Guitar Fret Noise', '122 Breath Noise', '123 Seashore', '124 Bird Tweet', '125 Telephone Ring', '126 Helicopter', '127 Applause', '128 Gunshot']
});
/* get/setInstrument
--------------------------------------------------- */
root.getInstrument = function(channelId) {
var channel = root.channels[channelId];
return channel && channel.instrument;
};
root.setInstrument = function(channelId, program, delay) {
var channel = root.channels[channelId];
if (delay) {
return setTimeout(function() {
channel.instrument = program;
}, delay);
} else {
channel.instrument = program;
}
};
/* get/setMono
--------------------------------------------------- */
root.getMono = function(channelId) {
var channel = root.channels[channelId];
return channel && channel.mono;
};
root.setMono = function(channelId, truthy, delay) {
var channel = root.channels[channelId];
if (delay) {
return setTimeout(function() {
channel.mono = truthy;
}, delay);
} else {
channel.mono = truthy;
}
};
/* get/setOmni
--------------------------------------------------- */
root.getOmni = function(channelId) {
var channel = root.channels[channelId];
return channel && channel.omni;
};
root.setOmni = function(channelId, truthy) {
var channel = root.channels[channelId];
if (delay) {
return setTimeout(function() {
channel.omni = truthy;
}, delay);
} else {
channel.omni = truthy;
}
};
/* get/setSolo
--------------------------------------------------- */
root.getSolo = function(channelId) {
var channel = root.channels[channelId];
return channel && channel.solo;
};
root.setSolo = function(channelId, truthy) {
var channel = root.channels[channelId];
if (delay) {
return setTimeout(function() {
channel.solo = truthy;
}, delay);
} else {
channel.solo = truthy;
}
};
/* channels
--------------------------------------------------- */
root.channels = (function() { // 0 - 15 channels
var channels = {};
for (var i = 0; i < 16; i++) {
channels[i] = { // default values
instrument: i,
pitchBend: 0,
mute: false,
mono: false,
omni: false,
solo: false
};
}
return channels;
})();
/* note conversions
--------------------------------------------------- */
root.keyToNote = {}; // C8 == 108
root.noteToKey = {}; // 108 == C8
(function() {
var A0 = 0x15; // first note
var C8 = 0x6C; // last note
var number2key = ['C', 'Db', 'D', 'Eb', 'E', 'F', 'Gb', 'G', 'Ab', 'A', 'Bb', 'B'];
for (var n = A0; n <= C8; n++) {
var octave = (n - 12) / 12 >> 0;
var name = number2key[n % 12] + octave;
root.keyToNote[name] = n;
root.noteToKey[n] = name;
}
})();
})(MIDI);
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