How to use easymidi - 9 common examples
To help you get started, we’ve selected a few easymidi examples, based on popular ways it is used in public projects.
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samhiatt / node-ableton-push2 / dist / Push2.js View on Github 
constructor(portName = 'Ableton Push 2 User Port', virtual = false) {
super();
// console.log(`Initializing ${portName}`);
this._input = new easymidi.Input(portName, virtual);
this._output = new easymidi.Output(portName, virtual);
this._input.on('message', (msg) => {
// Emit all messages as 'message' events, plus each individual type separately.
this.emit(msg._type, msg);
this.emit('message', msg);
});
}
/**constructor(portName = 'Ableton Push 2 User Port', virtual = false) {
super();
// console.log(`Initializing ${portName}`);
this._input = new easymidi.Input(portName, virtual);
this._output = new easymidi.Output(portName, virtual);
this._input.on('message', (msg) => {
// Emit all messages as 'message' events, plus each individual type separately.
this.emit(msg._type, msg);
this.emit('message', msg);
});
}
/**deviceName = 'NodeJS MIDI out',
verbose = process.argv.indexOf("--verbose")>-1;
if (process.platform === "win32") {
// find the loopmidi 'NodeJS MIDI out' virtual port
var outputs = easymidi.getOutputs();
outputs.some(name => {
console.log(name, deviceName);
if (name.toLowerCase().indexOf(deviceName.toLowerCase()) > -1) {
out = new easymidi.Output(name);
return true;
}
return false;
});
} else {
out = new easymidi.Output(deviceName, true);
}
app.use(express.static(path.join(__dirname,'public')));
app.get('/socket.io.js', function(req, res) {
res.sendFile('socket.io.js', {
root: path.join(__dirname, 'node_modules', 'socket.io-client', 'dist')
});
});
var http = require('http'),
server = http.Server(app),
io = socketio(server);
io.sockets.on('connection', function(socket) {
console.log("User Connected");var easymidi = require('easymidi');
// Monitor all MIDI inputs with a single "message" listener
easymidi.getInputs().forEach(function(inputName){
var input = new easymidi.Input(inputName);
input.on('message', function (msg) {
var vals = Object.keys(msg).map(function(key){return key+": "+msg[key];});
console.log(inputName+": "+vals.join(', '));
});
});var path = require('path'),
express = require('express'),
app = express(),
socketio = require('socket.io'),
easymidi = require('easymidi'),
deviceName = 'NodeJS MIDI out',
verbose = process.argv.indexOf("--verbose")>-1;
if (process.platform === "win32") {
// find the loopmidi 'NodeJS MIDI out' virtual port
var outputs = easymidi.getOutputs();
outputs.some(name => {
console.log(name, deviceName);
if (name.toLowerCase().indexOf(deviceName.toLowerCase()) > -1) {
out = new easymidi.Output(name);
return true;
}
return false;
});
} else {
out = new easymidi.Output(deviceName, true);
}
app.use(express.static(path.join(__dirname,'public')));
app.get('/socket.io.js', function(req, res) {
res.sendFile('socket.io.js', {var easymidi = require('easymidi');
console.log('Input ports: \n\t'+easymidi.getInputs().join('\n\t'));
console.log('Output ports: \n\t'+easymidi.getOutputs().join('\n\t'));
process.exit(0);var easymidi = require('easymidi');
console.log('Input ports: \n\t'+easymidi.getInputs().join('\n\t'));
console.log('Output ports: \n\t'+easymidi.getOutputs().join('\n\t'));
process.exit(0);outputs.some(name => {
console.log(name, deviceName);
if (name.toLowerCase().indexOf(deviceName.toLowerCase()) > -1) {
out = new easymidi.Output(name);
return true;
}
return false;
});
} else {easymidi.getInputs().forEach(function(inputName){
var input = new easymidi.Input(inputName);
input.on('message', function (msg) {
var vals = Object.keys(msg).map(function(key){return key+": "+msg[key];});
console.log(inputName+": "+vals.join(', '));
});
});
