audio-mixer/example/example.js
2014-01-01 03:32:24 +00:00

67 lines
1.1 KiB
JavaScript

var
fs = require('fs'),
Speaker = require('speaker'),
Mixer = require('../index.js'),
lame = require('lame')
;
/*
* Create the mixer and stream to speaker:
*/
var mixer = new Mixer({
channels: 1
});
var speaker = new Speaker({
channels: 1,
bitDepth: 16,
sampleRate: 44100
});
mixer.pipe(speaker);
/*
* Decode mp3 and add the stream as mixer input:
*/
var file0 = fs.createReadStream('example0.mp3');
var decoder0 = new lame.Decoder();
var mp3stream0 = file0.pipe(decoder0);
decoder0.on('format', function (format) {
console.log(format);
mp3stream0.pipe(mixer.input({
sampleRate: format.sampleRate,
channels: format.channels,
bitDepth: format.bitDepth
}));
});
/*
* Decode mp3 and add the stream as mixer input:
*/
var file1 = fs.createReadStream('example1.mp3');
var decoder1 = new lame.Decoder();
var mp3stream1 = file1.pipe(decoder1);
decoder1.on('format', function (format) {
console.log(format);
mp3stream1.pipe(mixer.input({
sampleRate: format.sampleRate,
channels: format.channels,
bitDepth: format.bitDepth
}));
});