public static extern UInt32 NT_SP_SetVideoFrameCallBackV2(IntPtr handle, Int32 scale_width, Int32 scale_height, Int32 scale_filter_mode, Int32 frame_format, IntPtr call_back_data, SP_SDKVideoFrameCallBack call_back);
public static extern UInt32 NT_SP_SetVideoFrameCallBack(IntPtr handle, Int32 frame_format, IntPtr callbackdata, SP_SDKVideoFrameCallBack call_back);