src/fft_cufft.h

   1
   2 #ifndef FFT_CUDA_H
   3 #define FFT_CUDA_H
   4
   5 #include "fft.h"
   6 #include "cuda/cuda_error_check.cuh"
   7
   8 #if CV_MAJOR_VERSION == 2
   9   #include <opencv2/gpu/gpu.hpp>
  10   #define CUDA cv::gpu
  11 #else
  12   #include "opencv2/opencv.hpp"
  13   #define CUDA cv::cuda
  14 #endif
  15
  16 #include <cufft.h>
  17 #include <cuda_runtime.h>
  18
  19 struct Scale_vars;
  20
  21 class cuFFT : public Fft
  22 {
  23 public:
  24     void init(unsigned width, unsigned height, unsigned num_of_feats, unsigned num_of_scales, bool big_batch_mode) override;
  25     void set_window(const cv::Mat & window) override;
  26     void forward(const cv::Mat & real_input, ComplexMat & complex_result, float *real_input_arr, cudaStream_t  stream) override;
  27     void forward_window(std::vector<cv::Mat> patch_feats, ComplexMat & complex_result, cv::Mat & fw_all, float *real_input_arr, cudaStream_t stream) override;
  28     void inverse(ComplexMat &  complex_input, cv::Mat & real_result, float *real_result_arr, cudaStream_t stream) override;
  29     ~cuFFT() override;
  30 private:
  31     cv::Mat m_window;
  32     unsigned m_width, m_height, m_num_of_feats, m_num_of_scales;
  33     bool m_big_batch_mode;
  34     cufftHandle plan_f, plan_f_all_scales, plan_fw, plan_fw_all_scales, plan_i_features,
  35      plan_i_features_all_scales, plan_i_1ch, plan_i_1ch_all_scales;
  36 };
  37
  38 #endif // FFT_CUDA_H