#elif !defined HAVE_NVIDIA_OPTFLOW
CV_Error(cv::Error::HeaderIsNull, "Nvidia Optical Flow headers not found. Make sure cmake downloads it properly");
cv::Ptr<cv::cuda::NvidiaOpticalFlow_1_0> cv::cuda::NvidiaOpticalFlow_1_0::create(int, int, NVIDIA_OF_PERF_LEVEL, bool, bool, bool, int)
{
CV_Error(cv::Error::HeaderIsNull, "OpenCV was build without NVIDIA OpticalFlow support");
}
#else
#include "nvOpticalFlowCommon.h"