deac/MIDI.js
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Michael Deal 2012-07-01 16:52:27 -07:00
parent 5ca601bb67
commit 61f1a05ebe
4 changed files with 5 additions and 10 deletions
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soundfont-generator/inc/gen-midi.js Normal file
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/*
Soundfont Builder : 0.1
*/
window = {}; // create fake window
atob = require('atob');
btoa = require('btoa');
http = require('http');
fs = require('fs');
///
require('./jsmidi.js');
//////////////
var min = window.noteTable["C2"];
var max = window.noteTable["C7"];
var absmin = window.noteTable["A0"];
var absmax = window.noteTable["C8"] + 1;
if (false) {
var noteEvents = [];
for (var key in window.noteTable) {
var id = window.noteTable[key];
if (id < absmin || id > absmax) continue;
// if (id < min || id > max) continue;
var note = {
duration: 0,
channel: 0,
pitch: id,
volume: 100
};
noteEvents.push(window.MidiEvent.noteOn(note));
note.duration = 1024 * 0.75 >> 0;
noteEvents.push(window.MidiEvent.noteOff(note));
}
var track = new window.MidiTrack({
events: noteEvents
});
var song = window.MidiWriter({
tracks: [track]
});
var decoded = new Buffer(atob(song.b64), 'binary')
fs.writeFile('build/SoundFont.midi', decoded, 'binary', function(err) {});
} else {
for (var key in window.noteTable) {
var id = window.noteTable[key];
if (id < absmin || id > absmax) continue;
// if (id < min || id > max) continue;
var note = {
duration: 0,
channel: 0,
pitch: id,
volume: 85
};
var noteEvents = [];
noteEvents.push(window.MidiEvent.noteOn(note));
note.duration = 1024 * 0.75 >> 0;
noteEvents.push(window.MidiEvent.noteOff(note));
var track = new window.MidiTrack({
events: noteEvents
});
var song = window.MidiWriter({
tracks: [track]
});
var decoded = new Buffer(atob(song.b64), 'binary')
fs.writeFile('build/' + key + '.midi', decoded, 'binary', function(err) {});
}
}