var RecordRTC = require('recordrtc');
var Whammy = RecordRTC.Whammy;
var WhammyRecorder = RecordRTC.WhammyRecorder;
var StereoAudioRecorder = RecordRTC.StereoAudioRecorder;
// and so on

var video = new Whammy.Video(100);
var recorder = new StereoAudioRecorder(stream, options);

var recordRTC;

function successCallback(stream) {
    // RecordRTC usage goes here

    var options = {
      mimeType: 'video/webm', // or video/webm\;codecs=h264 or video/webm\;codecs=vp9
      audioBitsPerSecond: 128000,
      videoBitsPerSecond: 128000,
      bitsPerSecond: 128000 // if this line is provided, skip above two
    };
    recordRTC = RecordRTC(stream, options);
    recordRTC.startRecording();
}

function errorCallback(error) {
    // maybe another application is using the device
}

var mediaConstraints = { video: true, audio: true };

navigator.mediaDevices.getUserMedia(mediaConstraints).then(successCallback).catch(errorCallback);

btnStopRecording.onclick = function () {
    recordRTC.stopRecording(function (audioVideoWebMURL) {
        video.src = audioVideoWebMURL;

        var recordedBlob = recordRTC.getBlob();
        recordRTC.getDataURL(function(dataURL) { });
    });
};

var recordRTC = RecordRTC(audioStream);
recordRTC.startRecording();
recordRTC.stopRecording(function(audioURL) {
    audio.src = audioURL;

    var recordedBlob = recordRTC.getBlob();
    recordRTC.getDataURL(function(dataURL) { });
});

var arrayOfStreams = [localStream, remoteStream1, remoteStream2, remoteStream3];

var recordRTC = RecordRTC(arrayOfStreams, {
  type: 'video',
  mimeType: 'video/webm', // or video/webm\;codecs=h264 or video/webm\;codecs=vp9
  previewStream: function(stream) {
    // it is optional
    // it allows you preview the recording video
  }
});
recordRTC.startRecording();
recordRTC.stopRecording(function(singleWebM) {
    video.src = singleWebM;

    var recordedBlob = recordRTC.getBlob();
    recordRTC.getDataURL(function(dataURL) { });
});

recorder.startRecording();

setTimeout(function() {
	recorder.addStream(anotherStream);
}, 5000);

videoElement.muted = true;
audioElement.muted = true;

function successCallback(stream) {
    // RecordRTC usage goes here
}

function errorCallback(error) {
    // maybe another application is using the device
}

var mediaConstraints = {
    audio: {
        mandatory: {
            echoCancellation: false,
            googAutoGainControl: false,
            googNoiseSuppression: false,
            googHighpassFilter: false
        },
        optional: [{
          googAudioMirroring: false
        }]
    },
};

navigator.mediaDevices.getUserMedia(mediaConstraints).then(successCallback).catch(errorCallback);

var options = {
   type: 'video',
   frameInterval: 20 // minimum time between pushing frames to Whammy (in milliseconds)
};
var recordRTC = RecordRTC(mediaStream, options);
recordRTC.startRecording();
recordRTC.stopRecording(function(videoURL) {
    video.src = videoURL;

    var recordedBlob = recordRTC.getBlob();
    recordRTC.getDataURL(function(dataURL) { });
});

// you must "manually" link:
// https://cdn.webrtc-experiment.com/gif-recorder.js

var options = {
   type: 'gif',
   frameRate: 200,
   quality: 10
};
var recordRTC = RecordRTC(mediaStream || canvas || context, options);
recordRTC.startRecording();
recordRTC.stopRecording(function(gifURL) {
   mediaElement.src = gifURL;
});

var audioRecorder = RecordRTC(mediaStream, {
  recorderType: StereoAudioRecorder
});

var videoRecorder = RecordRTC(mediaStream, {
  recorderType: WhammyRecorder
});

videoRecorder.initRecorder(function() {
  audioRecorder.initRecorder(function() {
    // Both recorders are ready to record things accurately
    videoRecorder.startRecording();
    audioRecorder.startRecording();
  });
});

recordRTC.setRecordingDuration(milliseconds, stoppedCallback);

// the easiest one:
recordRTC.setRecordingDuration(milliseconds).onRecordingStopped(stoppedCallback);

navigator.mediaDevices.getUserMedia({
    video: true
}).then(function(stream) {
    var recordRTC = RecordRTC(stream, {
        recorderType: WhammyRecorder
    });

    // auto stop recording after 5 seconds
    recordRTC.setRecordingDuration(5 * 1000).onRecordingStopped(function(url) {
        console.debug('setRecordingDuration', url);
        window.open(url);
    })

    recordRTC.startRecording();
}).catch(function(error) {
    console.error(error);
});

recorder.clearRecordedData();

var audioRecorder = RecordRTC(mediaStream, {
  recorderType: StereoAudioRecorder
})

// if it is Firefox, then RecordRTC will be using MediaStreamRecorder.js
// if it is Chrome or Opera, then RecordRTC will be using WhammyRecorder.js
var recordVideo = RecordRTC(mediaStream, {
  type: 'video'
});

// if it is Firefox, then RecordRTC will be using MediaStreamRecorder.js
// if it is Chrome or Opera or Edge, then RecordRTC will be using StereoAudioRecorder.js
var recordVideo = RecordRTC(mediaStream, {
  type: 'audio'
});

var whammyRecorder = RecordRTC(videoStream, {
  recorderType: WhammyRecorder,
  frameInterval: 1   // setTimeout interval
});

var recorder = RecordRTC(mediaStream, {
  disableLogs: true
});

var audioRecorder = RecordRTC(audioStream, {
  recorderType: StereoAudioRecorder,
  numberOfAudioChannels: 1 // or leftChannel:true
});

var options = {
   type: 'video',
   video: {
      width: 320,
      height: 240
   },
   canvas: {
      width: 320,
      height: 240
   }
};

var recordVideo = RecordRTC(MediaStream, options);

recordRTC.pauseRecording();

recordRTC.resumeRecording();

recordRTC.getDataURL(function(dataURL) {
   mediaElement.src = dataURL;
});

blob = recordRTC.getBlob();

window.open( recordRTC.toURL() );

recordRTC.save('File Name');

// From the spec: This value controls how frequently the audioprocess event is
// dispatched and how many sample-frames need to be processed each call.
// Lower values for buffer size will result in a lower (better) latency.
// Higher values will be necessary to avoid audio breakup and glitches
// bug: how to minimize wav size?
// workaround? obviously ffmpeg!
// The size of the buffer (in sample-frames) which needs to
// be processed each time onprocessaudio is called.

// Legal values are (256, 512, 1024, 2048, 4096, 8192, 16384).

var options = {
   bufferSize: 16384
};
var recordRTC = RecordRTC(audioStream, options);

// Legal values are (256, 512, 1024, 2048, 4096, 8192, 16384)

// The sample rate (in sample-frames per second) at which the
// AudioContext handles audio. It is assumed that all AudioNodes
// in the context run at this rate. In making this assumption,
// sample-rate converters or "varispeed" processors are not supported
// in real-time processing.
// The sampleRate parameter describes the sample-rate of the
// linear PCM audio data in the buffer in sample-frames per second.

// An implementation must support sample-rates in at least
// the range 22050 to 96000.

var options = {
   sampleRate: 96000
};
var recordRTC = RecordRTC(audioStream, options);

var options = {
  mimeType 'video/webm', // or video/webm\;codecs=h264 or video/webm\;codecs=vp9
  bitsPerSecond: 128000
};
var recorder = RecordRTC(mediaStream, options);

var options = {
  mimeType 'video/webm', // or video/mp4 or audio/ogg
  bitsPerSecond: 128000
};
var recorder = RecordRTC(mediaStream, options);

var options = {
  mimeType 'audio/ogg',
  audioBitsPerSecond: 128000
};
var recorder = RecordRTC(mediaStream, options);

var options = {
  mimeType 'video/webm', // or video/mp4
  videoBitsPerSecond: 128000
};
var recorder = RecordRTC(mediaStream, options);

recordAudio = RecordRTC( stream, {
     onAudioProcessStarted: function( ) {
         recordVideo.startRecording();
     }
});

recordVideo = RecordRTC(stream, {
    type: 'video'
});

recordAudio.startRecording();

var recordRTC = RecordRTC(MediaStream, {
    autoWriteToDisk: true
});

recordRTC.stopRecording();
recordRTC.writeToDisk();

// get all blobs from disk
RecordRTC.getFromDisk('all', function(dataURL, type) {
   type == 'audio'
   type == 'video'
   type == 'gif'
});

// or get just single blob
RecordRTC.getFromDisk('audio', function(dataURL) {
   // only audio blob is returned from disk!
});

var recordRTC = RecordRTC(mediaStream);
recordRTC.startRecording();
recordRTC.stopRecording(function(audioURL) {
   mediaElement.src = audioURL;
});

// "recordRTC" instance object to invoke "getFromDisk" method!
recordRTC.getFromDisk(function(dataURL) {
   // audio blob is automaticlaly returned from disk!
});