public void SetImportMovie(string folder, string filename)
        {
            if (Live)
            {
                StopLiveTracking();
            }

            if (!FacePlus.IsInitStarted)
            {
                Logger.Info("FacePlus initializing (video)...");
                FacePlus.Init("VGA");
                float startTime = Time.time;
                StartCoroutine(FacePlus.AfterInit((success) => {
                    float timePassed = Time.time - startTime;
                    Logger.Log("FacePlus initialized (success: " + success + ") in " + timePassed + "s");
                    Logger.Log("Setting import movie from " + folder + "/" + filename);
                    StartCoroutine(SetImportMovieCoroutine(folder, filename));
                }));
            }
            else
            {
                Logger.Log("Setting import movie from " + folder + "/" + filename);
                StartCoroutine(SetImportMovieCoroutine(folder, filename));
            }
        }
        public void StartLiveTracking()
        {
            //Debug.Log ("Start Live Tracking");
            Logger.Log("FacePlus connectivity: " + (FacePlus.Echo(123) == 123 ? "Pass" : "FAIL"));
            Logger.Log("FacePlus initializing...");
            //Logger.Log ("Initializing with: " + "VGA@CAM" + FacePlus.DeviceID.ToString ());

            FacePlus.Init("VGA@CAM" + FacePlus.DeviceID.ToString());
            Live = true;

            float startTime = Time.time;

            StartCoroutine(FacePlus.AfterInit((bool success) => {
                float timePassed = Time.time - startTime;
                Logger.Info("FacePlus completed initialization.");
                Logger.Log("FacePlus initialized (success: " + success + ") in " + timePassed + "s");

                if (success)
                {
                    Live  = true;
                    state = CaptureState.Live;
                    Logger.Debug("starting tracking thread");
                    FacePlus.TrackForeverThreaded();
                    Logger.Debug("done starting tracking thread");
                }
                else
                {
                    Live = false;
                }
            }));
        }