PaulKinlan

(function() {
  let canvas = document.querySelector('canvas');
  // Optional frames per second argument.
  let stream = canvas.captureStream(25);
  var options = {mimeType: 'video/webm; codecs=vp9'};
  let recorder = new MediaRecorder(stream, options);
  let blobs = [];

  function download(blob) {
    var url = window.URL.createObjectURL(blob);