naudiodon/scratch/inputToFile.js

Node Stream bindings for PortAudio.

/* Copyright 2019 Streampunk Media Ltd.

  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
*/

var portAudio = require('../index.js');
var fs = require('fs');

//Create a new instance of Audio Input, which is a ReadableStream
var ai = new portAudio.AudioIO({
  inOptions: {
    channelCount: 2,
    sampleFormat: portAudio.SampleFormat16Bit,
    sampleRate: 44100,
    deviceId: 1
  }
});

//Create a write stream to write out to a raw audio file
var ws = fs.createWriteStream('rawAudio.raw');

//Start streaming
ai.pipe(ws);
ai.start();

process.once('SIGINT', ai.quit);