private void initDisplayer(VideoCacheManager cache, ITimeProcess playProcess)
 {
     _displayer                       = new VideoDisplayManager(cache, playProcess);
     _displayer.OnCaching            += onCaching;
     _displayer.OnHaveData           += onHaveData;
     _displayer.VideoFrameImageEvent += onVideoFrameImage;
 }
 public void Close()
 {
     if (_displayer != null)
     {
         _displayer.Dispose();
     }
     _displayer = null;
     if (StreamManager != null)
     {
         StreamManager.Dispose();
     }
     StreamManager = null;
 }