deac/MIDI.js
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split multi-instrument and basic demos

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Michael Deal 2013-01-24 23:49:12 -08:00
parent 671cb8b61a
commit 326fc9952a
3 changed files with 55 additions and 16 deletions
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9
README.md
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@ -1,8 +1,9 @@
CODE EXAMPLES (from the repo)
* ./demo-Basic.html is the most basic implementation.
* ./demo-MIDIPlayer.html shows how to parse MIDI files, and interact with the data stream.
* ./demo-WhitneyMusicBox.html is a audio/visual experiment by Jim Bumgardner
* ./demo-Basic.html - the most basic implementation.
* ./demo-MIDIPlayer.html - how to parse MIDI files, and interact with the data stream.
* ./demo-MultipleInstruments.html - synth drum and piano playing together
* ./demo-WhitneyMusicBox.html - a audio/visual experiment by Jim Bumgardner
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@ -23,7 +24,7 @@ DEMOS
MIDI.loadPlugin(callback);
// simple example to get started;
MIDI.loadPlugin({
instrument: "acoustic_grand_piano", // or 1 (default)
instrument: "acoustic_grand_piano", // or the instrument code 1 (aka the default)
instruments: [ "acoustic_grand_piano", "acoustic_guitar_nylon" ], // or multiple instruments
callback: function() { }
});

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demo-Basic.html
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<script src="./js/Window/DOMLoader.script.js" type="text/javascript"></script>
<!-- base64 packages -->
<script src="./inc/Polyfill/Base64.js" type="text/javascript"></script>
<script src="./inc/WebMIDIAPI.js" type="text/javascript"></script>
<script src="./inc/base64binary.js" type="text/javascript"></script>
</head>
<body>
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window.onload = function () {
MIDI.loadPlugin({
soundfontUrl: "./soundfont/",
instruments: [ "acoustic_grand_piano", "synth_drum" ], // or multiple instruments
instrument: "acoustic_grand_piano",
callback: function() {
MIDI.programChange(0, 0);
MIDI.programChange(1, 118);
for (var n = 0; n < 100; n ++) {
var delay = n / 4; // play one note every quarter second
var note = MIDI.pianoKeyOffset + n; // the MIDI note
var velocity = 127; // how hard the note hits
// play the note
MIDI.noteOn(0, note, velocity, delay);
// play the some note 3-steps up
MIDI.noteOn(1, note + 3, velocity, delay);
}
var delay = 0; // play one note every quarter second
var note = 50; // the MIDI note
var velocity = 127; // how hard the note hits
// play the note
MIDI.noteOn(0, note, velocity, delay);
}
});
};

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demo-MultipleInstruments.html Normal file
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns = "http://www.w3.org/1999/xhtml">
<head>
<script src="./js/MIDI/audioDetect.js" type="text/javascript"></script>
<script src="./js/MIDI/loadPlugin.js" type="text/javascript"></script>
<script src="./js/MIDI/Plugin.js" type="text/javascript"></script>
<script src="./js/MIDI/Player.js" type="text/javascript"></script>
<script src="./js/Window/DOMLoader.XMLHttp.js" type="text/javascript"></script>
<script src="./js/Window/DOMLoader.script.js" type="text/javascript"></script>
<!-- base64 packages -->
<script src="./inc/Polyfill/Base64.js" type="text/javascript"></script>
<script src="./inc/base64binary.js" type="text/javascript"></script>
</head>
<body>
<script type="text/javascript">
// This iterates through all the notes in these two soundfonts.
// The synth_drum does not have as high or low of range of notes,
// so you wont hear it for a few seconds.
window.onload = function () {
MIDI.loadPlugin({
soundfontUrl: "./soundfont/",
instruments: [ "acoustic_grand_piano", "synth_drum" ],
callback: function() {
MIDI.programChange(0, 0);
MIDI.programChange(1, 118);
for (var n = 0; n < 100; n ++) {
var delay = n / 4; // play one note every quarter second
var note = MIDI.pianoKeyOffset + n; // the MIDI note
var velocity = 127; // how hard the note hits
// play the note
MIDI.noteOn(0, note, velocity, delay);
// play the some note 3-steps up
MIDI.noteOn(1, note + 3, velocity, delay);
}
}
});
};
</script>
</body>
</html>