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stub in web midi api support

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Michael Deal 2013-01-23 00:39:32 -08:00
parent 5bfa3739fb
commit c6f7324f5b
2 changed files with 63 additions and 5 deletions
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61
js/MIDI/Plugin.js
View file

@ -18,7 +18,6 @@
*/
if (typeof (MIDI) === "undefined") var MIDI = {};
if (typeof (MIDI.Plugin) === "undefined") MIDI.Plugin = {};
(function() { "use strict";
@ -126,7 +125,7 @@ if (window.AudioContext || window.webkitAudioContext) (function () {
};
root.connect = function (callback) {
MIDI.lang = 'WebAudioAPI';
MIDI.technology = "Web Audio API";
MIDI.setVolume = root.setVolume;
MIDI.programChange = root.programChange;
MIDI.noteOn = root.noteOn;
@ -240,7 +239,7 @@ if (window.Audio) (function () {
id: key
};
}
MIDI.lang = 'AudioTag';
MIDI.technology = "HTML Audio Tag";
MIDI.setVolume = root.setVolume;
MIDI.programChange = root.programChange;
MIDI.noteOn = root.noteOn;
@ -348,7 +347,7 @@ if (window.Audio) (function () {
}
}
///
MIDI.lang = 'Flash';
MIDI.technology = "Flash";
MIDI.setVolume = root.setVolume;
MIDI.programChange = root.programChange;
MIDI.noteOn = root.noteOn;
@ -371,6 +370,60 @@ if (window.Audio) (function () {
};
})();
/*
--------------------------------------------
WebMIDI - Native Soundbank
--------------------------------------------
*/
(function () {
var root = MIDI.WebMIDI = {};
root.connect = function (callback) {
// deferred loading of <applet>
MIDI.technology = "Web MIDI API";
if (callback) callback();
};
MIDI.programChange = function (channel, program) {
plugin.send([0xC0 + channel, program]);
};
MIDI.setVolume = function (n) {
};
MIDI.noteOn = function (channel, note, velocity, delay) {
plugin.send([0x90 + channel, note, velocity], delay * 1000);
};
MIDI.noteOff = function (channel, note, delay) {
plugin.send([0x80 + channel, note], delay * 1000);
};
MIDI.chordOn = function (channel, chord, velocity, delay) {
for (var key in chord) {
var note = chord[key];
plugin.send([0x90 + channel, note, velocity], delay * 1000);
}
};
MIDI.chordOff = function (channel, chord, delay) {
for (var key in chord) {
var note = chord[key];
plugin.send(0x80, channel, note, velocity, delay * 1000);
}
};
MIDI.stopAllNotes = function () {
};
MIDI.getInstruments = function() {
return [];
};
})();
/*
helper functions
*/

7
js/MIDI/loadPlugin.js
View file

@ -62,6 +62,11 @@ MIDI.loadPlugin = function(conf) {
var connect = {};
connect.webmidi = function(filetype, instruments, callback) {
if (MIDI.loader) MIDI.loader.message("Web MIDI API...");
MIDI.WebMIDI.connect(callback);
};
connect.flash = function(filetype, instruments, callback) {
// fairly quick, but requires loading of individual MP3s (more http requests).
if (MIDI.loader) MIDI.loader.message("Flash API...");
@ -143,9 +148,9 @@ connect.webaudio = function(filetype, instruments, callback) {
/// Helpers
var plugins = {
"#webmidi": true,
"#webaudio": true,
"#audiotag": true,
"#java": true,
"#flash": true
};