93 lines
1.5 KiB
JavaScript
93 lines
1.5 KiB
JavaScript
const midi = require('midi')
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const readline = require('readline');
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let mo = new midi.Output()
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let mi = new midi.Input()
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mo.openVirtualPort("debug-out")
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mi.openVirtualPort("debug-in")
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mi.on('message', (deltaTime, message) => {
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// The message is an array of numbers corresponding to the MIDI bytes:
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// [status, data1, data2]
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// https://www.cs.cf.ac.uk/Dave/Multimedia/node158.html has some helpful
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// information interpreting the messages.
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console.log(`midi in: ${message} d: ${deltaTime}`)
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mo.send(message)
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})
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// Formiraj CC midi sporočilo
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// 176+ = CC
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const cc = (a, b) => ([176, a, b])
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const quantize = [
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cc(40, 22),
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cc(40, 0),
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cc(40, 23)
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]
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const pause = [
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cc(20, 0),
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cc(20, 23)
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]
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const play = [
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cc(20, 0),
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cc(20, 22)
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]
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const posnemiTakt = [
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cc(101, 3),
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cc(102, 3),
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cc(103, 3),
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cc(104, 3),
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cc(105, 3),
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cc(106, 3),
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cc(107, 3),
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cc(108, 3),
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cc(30, 9),
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cc(101, 60),
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cc(102, 9),
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cc(103, 118),
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cc(104, 118),
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cc(105, 0),
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cc(106, 0),
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cc(107, 0),
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cc(108, 0),
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cc(30, 0),
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cc(30, 11)
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]
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const rl = readline.createInterface({
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input: process.stdin,
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output: process.stdout
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})
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const posljiMidi = (ukazi) => {
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ukazi.forEach(midi => {
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console.log('posiljam midi', midi)
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mo.send(midi)
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})
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}
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rl.setPrompt('Vpiši ukaz > ')
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rl.prompt()
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rl.on('line', line => {
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console.log(line)
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switch (line) {
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case 'q':
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posljiMidi(quantize)
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break;
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case 'p':
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posljiMidi(play)
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break;
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case 's':
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posljiMidi(pause)
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break;
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}
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rl.prompt()
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})
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