InitializeVideoStream - Get User Media

InitializeVideoStream - Get User Media

  // initializeVideoStream() - Callback function when getUserMedia() returns successfully with a mediaStream object
  // 1. Set the mediaStream on the video tag
  // 2. Use 'srcObject' attribute to determine whether to use the standard-based API or the legacy version

    var initializeVideoStream = function(stream) {
        mediaStream = stream;

        var video = document.getElementById('videoTag');
        if (typeof (video.srcObject) !== 'undefined') {
            video.srcObject = mediaStream;
        }
        else {
            video.src = URL.createObjectURL(mediaStream);
        }
        if (webcamList.length > 1) {
            document.getElementById('switch').disabled = false;
        }
    };