void IBMDSwitcherMediaPlayerCallback.ClipFrameChanged()
 {
     this._switcherMediaPlayerEventArgs = new SwitcherMediaPlayerEventArgs();
     this.SwitcherMediaPlayerEventClipFrameChanged?.Invoke(this, this._switcherMediaPlayerEventArgs);
 }
 void IBMDSwitcherMediaPlayerCallback.AtBeginningChanged()
 {
     this._switcherMediaPlayerEventArgs = new SwitcherMediaPlayerEventArgs();
     this.SwitcherMediaPlayerEventAtBeginningChanged?.Invoke(this, this._switcherMediaPlayerEventArgs);
 }