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MIDI.js
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use XHR or SCRIPT tag to loadPlugin, XHR has benefit of OnProgress event, whereas SCRIPT has benefit of loading from file://

master
Michael Deal 2013-01-18 23:18:41 -08:00
parent bab81e8e7c
commit 877e2a4adb
4 changed files with 53 additions and 23 deletions
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64
js/MIDI/loadPlugin.js
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@ -1,6 +1,6 @@
/*
-----------------------------------------------------------
MIDI.loadPlugin : 0.1 : 11/20/2012
MIDI.loadPlugin : 0.1.2 : 01/18/2012
-----------------------------------------------------------
https://github.com/mudcube/MIDI.js
-----------------------------------------------------------
@ -16,6 +16,8 @@ if (typeof (MIDI.Soundfont) === "undefined") MIDI.Soundfont = {};
(function() { "use strict";
var USE_XHR = false; // Turn on to get "onprogress" event. XHR will not work from file://
MIDI.loadPlugin = function(conf) {
if (typeof(conf) === "function") conf = { callback: conf };
/// Get the instrument name.
@ -23,7 +25,6 @@ MIDI.loadPlugin = function(conf) {
if (typeof(instruments) !== "object") instruments = [ instruments ];
instruments.map(function(data) {
if (typeof(data) === "number") data = MIDI.GeneralMIDI.byId[data];
MIDI.Soundfont[data] = true;
return data;
});
///
@ -84,15 +85,26 @@ connect.audiotag = function(filetype, instruments, callback) {
var queue = createQueue({
items: instruments,
getNext: function(instrumentId) {
DOMLoader.sendRequest({
url: MIDI.soundfontUrl + instrumentId + "-" + filetype + ".js",
onprogress: getPercent,
onload: function (response) {
MIDI.Soundfont[instrumentId] = JSON.parse(response.responseText);
if (MIDI.loader) MIDI.loader.update(null, "Downloading", 100);
queue.getNext();
}
});
if (USE_XHR) {
DOMLoader.sendRequest({
url: MIDI.soundfontUrl + instrumentId + "-" + filetype + ".js",
onprogress: getPercent,
onload: function (response) {
MIDI.Soundfont[instrumentId] = JSON.parse(response.responseText);
if (MIDI.loader) MIDI.loader.update(null, "Downloading", 100);
queue.getNext();
}
});
} else {
DOMLoader.script.add({
src: MIDI.soundfontUrl + instrumentId + "-" + filetype + ".js",
verify: instrumentId,
callback: function() {
if (MIDI.loader) MIDI.loader.update(null, "Downloading...", 100);
queue.getNext();
}
});
}
},
onComplete: function() {
MIDI.AudioTag.connect(callback);
@ -106,15 +118,27 @@ connect.webaudio = function(filetype, instruments, callback) {
var queue = createQueue({
items: instruments,
getNext: function(instrumentId) {
DOMLoader.sendRequest({
url: MIDI.soundfontUrl + instrumentId + "-" + filetype + ".js",
onprogress: getPercent,
onload: function(response) {
MIDI.Soundfont[instrumentId] = JSON.parse(response.responseText);
if (MIDI.loader) MIDI.loader.update(null, "Downloading...", 100);
queue.getNext();
}
});
if (USE_XHR) {
DOMLoader.sendRequest({
url: MIDI.soundfontUrl + instrumentId + "-" + filetype + ".js",
onprogress: getPercent,
onload: function(response) {
MIDI.Soundfont[instrumentId] = JSON.parse(response.responseText);
if (MIDI.loader) MIDI.loader.update(null, "Downloading...", 100);
queue.getNext();
}
});
} else {
DOMLoader.script.add({
src: MIDI.soundfontUrl + instrumentId + "-" + filetype + ".js",
verify: "MIDI.Soundfont." + instrumentId,
callback: function() {
console.log(MIDI.Soundfont[instrumentId])
if (MIDI.loader) MIDI.loader.update(null, "Downloading...", 100);
queue.getNext();
}
});
}
},
onComplete: function() {
MIDI.WebAudioAPI.connect(callback);

4
soundfont/acoustic_grand_piano-mp3.js
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4
soundfont/acoustic_grand_piano-ogg.js
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4
soundfont/synth_drum-ogg.js
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