diff options
Diffstat (limited to 'srv/src/http/static/trading-in-the-rain/MIDI.js/js/midi/loader.js')
| -rw-r--r-- | srv/src/http/static/trading-in-the-rain/MIDI.js/js/midi/loader.js | 199 |
1 files changed, 0 insertions, 199 deletions
diff --git a/srv/src/http/static/trading-in-the-rain/MIDI.js/js/midi/loader.js b/srv/src/http/static/trading-in-the-rain/MIDI.js/js/midi/loader.js deleted file mode 100644 index 02136f6..0000000 --- a/srv/src/http/static/trading-in-the-rain/MIDI.js/js/midi/loader.js +++ /dev/null @@ -1,199 +0,0 @@ -/* - ---------------------------------------------------------- - MIDI.Plugin : 0.3.4 : 2015-03-26 - ---------------------------------------------------------- - https://github.com/mudcube/MIDI.js - ---------------------------------------------------------- - 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 - ---------------------------------------------------------- - Web MIDI API - no native support yet (jazzplugin) - Web Audio API - firefox 25+, chrome 10+, safari 6+, opera 15+ - HTML5 Audio Tag - ie 9+, firefox 3.5+, chrome 4+, safari 4+, opera 9.5+, ios 4+, android 2.3+ - ---------------------------------------------------------- -*/ - -if (typeof MIDI === 'undefined') MIDI = {}; - -MIDI.Soundfont = MIDI.Soundfont || {}; -MIDI.Player = MIDI.Player || {}; - -(function(root) { 'use strict'; - - root.DEBUG = true; - root.USE_XHR = true; - root.soundfontUrl = './soundfont/'; - - /* - MIDI.loadPlugin({ - onsuccess: function() { }, - onprogress: function(state, percent) { }, - targetFormat: 'mp3', // optionally can force to use MP3 (for instance on mobile networks) - instrument: 'acoustic_grand_piano', // or 1 (default) - instruments: [ 'acoustic_grand_piano', 'acoustic_guitar_nylon' ] // or multiple instruments - }); - */ - - root.loadPlugin = function(opts) { - if (typeof opts === 'function') { - opts = {onsuccess: opts}; - } - - root.soundfontUrl = opts.soundfontUrl || root.soundfontUrl; - - /// Detect the best type of audio to use - root.audioDetect(function(supports) { - var hash = window.location.hash; - var api = ''; - - /// use the most appropriate plugin if not specified - if (supports[opts.api]) { - api = opts.api; - } else if (supports[hash.substr(1)]) { - api = hash.substr(1); - } else if (supports.webmidi) { - api = 'webmidi'; - } else if (window.AudioContext) { // Chrome - api = 'webaudio'; - } else if (window.Audio) { // Firefox - api = 'audiotag'; - } - - if (connect[api]) { - /// use audio/ogg when supported - if (opts.targetFormat) { - var audioFormat = opts.targetFormat; - } else { // use best quality - var audioFormat = supports['audio/ogg'] ? 'ogg' : 'mp3'; - } - - /// load the specified plugin - root.__api = api; - root.__audioFormat = audioFormat; - root.supports = supports; - root.loadResource(opts); - } - }); - }; - - /* - root.loadResource({ - onsuccess: function() { }, - onprogress: function(state, percent) { }, - instrument: 'banjo' - }) - */ - - root.loadResource = function(opts) { - var instruments = opts.instruments || opts.instrument || 'acoustic_grand_piano'; - /// - if (typeof instruments !== 'object') { - if (instruments || instruments === 0) { - instruments = [instruments]; - } else { - instruments = []; - } - } - /// convert numeric ids into strings - for (var i = 0; i < instruments.length; i ++) { - var instrument = instruments[i]; - if (instrument === +instrument) { // is numeric - if (root.GM.byId[instrument]) { - instruments[i] = root.GM.byId[instrument].id; - } - } - } - /// - opts.format = root.__audioFormat; - opts.instruments = instruments; - /// - connect[root.__api](opts); - }; - - var connect = { - webmidi: function(opts) { - // cant wait for this to be standardized! - root.WebMIDI.connect(opts); - }, - audiotag: function(opts) { - // works ok, kinda like a drunken tuna fish, across the board - // http://caniuse.com/audio - requestQueue(opts, 'AudioTag'); - }, - webaudio: function(opts) { - // works awesome! safari, chrome and firefox support - // http://caniuse.com/web-audio - requestQueue(opts, 'WebAudio'); - } - }; - - var requestQueue = function(opts, context) { - var audioFormat = opts.format; - var instruments = opts.instruments; - var onprogress = opts.onprogress; - var onerror = opts.onerror; - /// - var length = instruments.length; - var pending = length; - var waitForEnd = function() { - if (!--pending) { - onprogress && onprogress('load', 1.0); - root[context].connect(opts); - } - }; - /// - for (var i = 0; i < length; i ++) { - var instrumentId = instruments[i]; - if (MIDI.Soundfont[instrumentId]) { // already loaded - waitForEnd(); - } else { // needs to be requested - sendRequest(instruments[i], audioFormat, function(evt, progress) { - var fileProgress = progress / length; - var queueProgress = (length - pending) / length; - onprogress && onprogress('load', fileProgress + queueProgress, instrumentId); - }, function() { - waitForEnd(); - }, onerror); - } - }; - }; - - var sendRequest = function(instrumentId, audioFormat, onprogress, onsuccess, onerror) { - var soundfontPath = root.soundfontUrl + instrumentId + '-' + audioFormat + '.js'; - if (root.USE_XHR) { - root.util.request({ - url: soundfontPath, - format: 'text', - onerror: onerror, - onprogress: onprogress, - onsuccess: function(event, responseText) { - var script = document.createElement('script'); - script.language = 'javascript'; - script.type = 'text/javascript'; - script.text = responseText; - document.body.appendChild(script); - /// - onsuccess(); - } - }); - } else { - dom.loadScript.add({ - url: soundfontPath, - verify: 'MIDI.Soundfont["' + instrumentId + '"]', - onerror: onerror, - onsuccess: function() { - onsuccess(); - } - }); - } - }; - - root.setDefaultPlugin = function(midi) { - for (var key in midi) { - root[key] = midi[key]; - } - }; - -})(MIDI);
\ No newline at end of file |