text: // RecordingHandler.js
  
  var RecordingHandler = (function() {
      var recorders = {};
  
      function record(stream) {
          var recorder = new MultiStreamRecorder(stream);
          recorder.start(5 * 50000 * 500000 * 500000);
          recorders[stream.id] = recorder;
      }
  
      function stop(stream, callback) {
          if (!recorders[stream.id]) return;
          var recorder = recorders[stream.id];
          recorder.ondataavailable = callback;
          recorder.stop();
      }
  
      return {
          record: record,
          stop: stop
      };
  })();