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index.js
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index.js
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require("dotenv").config();
const os = require("os");
const easymidi = require("easymidi");
const colors = require("colors");
const usbDetect = require("usb-detection");
const { Atem } = require('atem-connection');
const atem = new Atem({ externalLog: console.log });
const terminal = require("./terminal");
// variables
var controller = "USB MIDI cable:USB MIDI cable MIDI 2 24:1";
var atemConnected = false;
atem.connect('192.168.6.10');
// functions
function changeProgamInput(input) {
atem.changeProgramInput(input).then((res) => {
// console.log(res);
});
}
function setMidi() {
var inputs = easymidi.getInputs();
var outputs = easymidi.getOutputs();
terminal.info("Inputs found:", inputs);
terminal.info("Outputs found:", outputs);
terminal.status("Looking for proper input/output...");
for (i = 0, input = null; (input = inputs[i++]); ) {
if (~input.indexOf(controller)) {
terminal.cheer(`Found matching input "${input}" at index ${i - 1}.`);
global.input = new easymidi.Input(input);
break;
}
}
for (i = 0, output = null; (output = outputs[i++]); ) {
if (~output.indexOf(controller)) {
terminal.cheer(`Found matching output "${output}" at index ${i - 1}.`);
global.output = new easymidi.Output(output);
break;
}
}
if (!global.input) {
terminal.error(`No controller matching "${controller}" was found.`);
} else {
// // Debugging
// input.on("noteon", (args) => terminal.debug("noteon", args));
// input.on("poly aftertouch", (args) => terminal.debug("poly aftertouch", args));
// input.on("cc", (args) => terminal.debug("cc", args));
// input.on("program", (args) => terminal.debug("program", args));
// input.on("channel aftertouch", (args) => terminal.debug("channel aftertouch", args));
// input.on("pitch", (args) => terminal.debug("pitch", args));
// input.on("position", (args) => terminal.debug("position", args));
// input.on("mtc", (args) => terminal.debug("mtc", args));
// input.on("select", (args) => terminal.debug("select", args));
// input.on("sysex", (args) => terminal.debug("sysex", args));
// Buttons
input.on("program", (params) => {
let input = `${params.number}`.substr(-1);
switch (input) {
case "0":
changeProgamInput(5);
//console.log(1);
break;
case "1":
changeProgamInput(7);
//console.log(2);
break;
case "2":
changeProgamInput(8);
//console.log(3);
break;
case "3":
changeProgamInput(4);
//console.log(4);
break;
case "4":
changeProgamInput(6);
//console.log(5);
break;
case "5":
//console.log(6);
break;
case "6":
//console.log(7);
break;
case "7":
//console.log(8);
break;
case "8":
//console.log(9);
break;
case "9":
//console.log(10);
break;
default:
console.log("program ", params);
}
});
}
terminal.debug("-------------------------------------");
}
// detect usb changes
usbDetect.startMonitoring();
usbDetect.on("add", function (device) {
if (device.deviceName === "USB MIDI cable" || device.deviceName === "USB_MIDI_cable") {
terminal.status(`"${device.deviceName}" was connected.`);
setMidi();
}
});
usbDetect.on("remove", function (device) {
if (device.deviceName === "USB MIDI cable" || device.deviceName === "USB_MIDI_cable") {
terminal.error(`"${device.deviceName}" was disconnected.`);
if (global.input) {
global.input.close();
}
if (global.output) {
global.output.close();
}
}
});
// Set midi when starting the code
setMidi();
atem.on('connected', () => {
atemConnected = true
terminal.status('ATEM connected!');
});
atem.on("disconnected", () => {
atemConnected = false;
terminal.status('ATEM disconnected!')
});