From 16cfbd19157df76e7296dddb287412f1099feb33 Mon Sep 17 00:00:00 2001 From: Brian Picciano Date: Fri, 20 May 2022 13:37:43 -0600 Subject: Move static assets to within srv --- .../MIDI.js/js/midi/plugin.webmidi.js | 93 ++++++++++++++++++++++ 1 file changed, 93 insertions(+) create mode 100644 srv/src/http/static/trading-in-the-rain/MIDI.js/js/midi/plugin.webmidi.js (limited to 'srv/src/http/static/trading-in-the-rain/MIDI.js/js/midi/plugin.webmidi.js') diff --git a/srv/src/http/static/trading-in-the-rain/MIDI.js/js/midi/plugin.webmidi.js b/srv/src/http/static/trading-in-the-rain/MIDI.js/js/midi/plugin.webmidi.js new file mode 100644 index 0000000..33e244b --- /dev/null +++ b/srv/src/http/static/trading-in-the-rain/MIDI.js/js/midi/plugin.webmidi.js @@ -0,0 +1,93 @@ +/* + ---------------------------------------------------------------------- + Web MIDI API - Native Soundbanks + ---------------------------------------------------------------------- + http://webaudio.github.io/web-midi-api/ + ---------------------------------------------------------------------- +*/ + +(function(root) { 'use strict'; + + var plugin = null; + var output = null; + var channels = []; + var midi = root.WebMIDI = {api: 'webmidi'}; + midi.send = function(data, delay) { // set channel volume + output.send(data, delay * 1000); + }; + + midi.setController = function(channel, type, value, delay) { + output.send([channel, type, value], delay * 1000); + }; + + midi.setVolume = function(channel, volume, delay) { // set channel volume + output.send([0xB0 + channel, 0x07, volume], delay * 1000); + }; + + midi.programChange = function(channel, program, delay) { // change patch (instrument) + output.send([0xC0 + channel, program], delay * 1000); + }; + + midi.pitchBend = function(channel, program, delay) { // pitch bend + output.send([0xE0 + channel, program], delay * 1000); + }; + + midi.noteOn = function(channel, note, velocity, delay) { + output.send([0x90 + channel, note, velocity], delay * 1000); + }; + + midi.noteOff = function(channel, note, delay) { + output.send([0x80 + channel, note, 0], delay * 1000); + }; + + midi.chordOn = function(channel, chord, velocity, delay) { + for (var n = 0; n < chord.length; n ++) { + var note = chord[n]; + output.send([0x90 + channel, note, velocity], delay * 1000); + } + }; + + midi.chordOff = function(channel, chord, delay) { + for (var n = 0; n < chord.length; n ++) { + var note = chord[n]; + output.send([0x80 + channel, note, 0], delay * 1000); + } + }; + + midi.stopAllNotes = function() { + output.cancel(); + for (var channel = 0; channel < 16; channel ++) { + output.send([0xB0 + channel, 0x7B, 0]); + } + }; + + midi.connect = function(opts) { + root.setDefaultPlugin(midi); + var errFunction = function(err) { // well at least we tried! + if (window.AudioContext) { // Chrome + opts.api = 'webaudio'; + } else if (window.Audio) { // Firefox + opts.api = 'audiotag'; + } else { // no support + return; + } + root.loadPlugin(opts); + }; + /// + navigator.requestMIDIAccess().then(function(access) { + plugin = access; + var pluginOutputs = plugin.outputs; + if (typeof pluginOutputs == 'function') { // Chrome pre-43 + output = pluginOutputs()[0]; + } else { // Chrome post-43 + output = pluginOutputs[0]; + } + if (output === undefined) { // nothing there... + errFunction(); + } else { + opts.onsuccess && opts.onsuccess(); + } + }, errFunction); + }; + +})(MIDI); \ No newline at end of file -- cgit v1.2.3