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MIDI.js
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grunt build

master
Michael Deal 2013-01-25 15:33:58 -08:00
parent 3110aaa39d
commit 0f3703e7e9
2 changed files with 13 additions and 11 deletions
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22
build/MIDI.js
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@ -163,7 +163,7 @@ connect.audiotag = function(filetype, instruments, callback) {
} else {
DOMLoader.script.add({
src: MIDI.soundfontUrl + instrumentId + "-" + filetype + ".js",
verify: instrumentId,
verify: "MIDI.Soundfont." + instrumentId,
callback: function() {
if (MIDI.loader) MIDI.loader.update(null, "Downloading...", 100);
queue.getNext();
@ -252,7 +252,10 @@ var createQueue = function(conf) {
--------------------------------------------
https://github.com/mudcube/MIDI.js
--------------------------------------------
APIs:
Inspired by javax.sound.midi (albeit a super simple version):
http://docs.oracle.com/javase/6/docs/api/javax/sound/midi/package-summary.html
--------------------------------------------
Technologies:
MIDI.WebMIDIAPI
MIDI.WebAudioAPI
MIDI.Flash
@ -423,15 +426,16 @@ if (window.AudioContext || window.webkitAudioContext) (function () {
return source;
};
// FIX: needs some way to fade out smoothly..
// POSSIBLE FIX: fade out smoothly using gain and ramping to value
root.noteOff = function (channel, note, delay) {
delay = delay || 0;
if (delay < ctx.currentTime) delay += ctx.currentTime;
var source = sources[channel + "" + note];
if (!source) return;
// @Miranet: "the values of 0.2 and 0.3 could ofcourse be used as
// a 'release' parameter for ADSR like time settings."
source.gain.linearRampToValueAtTime(1, delay);
source.gain.linearRampToValueAtTime(0, delay + 0.75);
source.noteOff(delay + 0.75);
source.gain.linearRampToValueAtTime(0, delay + 0.2);
source.noteOff(delay + 0.3);
return source;
};
@ -526,10 +530,9 @@ if (window.Audio) (function () {
var id = note2id[note];
if (!notes[id]) return;
if (delay) {
var interval = window.setTimeout(function () {
return window.setTimeout(function () {
playChannel(channel, id);
}, delay * 1000);
return interval;
} else {
playChannel(channel, id);
}
@ -606,10 +609,9 @@ if (window.Audio) (function () {
note = id + "" + noteReverse[note];
if (!notes[note]) return;
if (delay) {
var interval = window.setTimeout(function() {
return window.setTimeout(function() {
notes[note].play({ volume: velocity * 2 });
}, delay * 1000);
return interval;
} else {
notes[note].play({ volume: velocity * 2 });
}

2
build/MIDI.min.js vendored
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