record cam and screen

record.js

const recordCamera = () => {
    smallVideoType=1;
  cleanRecord()
  navigator.getUserMedia({
    audio: false,
    video: { mandatory: { minWidth: 50, minHeight: 50 } }
  }, getMediaStream, getUserMediaError)
}

const getMediaStream = (stream) => {
  var video = document.querySelector('video')
  video.src = URL.createObjectURL(stream)
  localStream = stream
  stream.onended = () => { console.log('Media stream ended.') }

  let videoTracks = localStream.getVideoTracks()

  if (includeMic) {
    console.log('Adding audio track.')
    let audioTracks = microAudioStream.getAudioTracks()
    localStream.addTrack(audioTracks[0])
    
  }
  
  try {
    console.log('Start recording the stream.')
    recorder = new MediaRecorder(stream)
  } catch (e) {
    console.assert(false, 'Exception while creating MediaRecorder: ' + e)
    return
  }
  recorder.ondataavailable = recorderOnDataAvailable
  recorder.onstop = () => { console.log('recorderOnStop fired') }
  recorder.start()
  console.log('Recorder is started.')
}