agora-doxy/html/dofft_8h_source.html

#ifndef DOFFT_H_

#define DOFFT_H_


#include <complex>

#include <cstdint>


#include "common_typedef_sdk.h"

#include "config.h"

#include "doer.h"

#include "memory_manage.h"

#include "message.h"

#include "mkl_dfti.h"

#include "phy_stats.h"

#include "stats.h"

#include "symbols.h"


class DoFFT : public Doer {

 public:

  DoFFT(Config* config, size_t tid, Table<complex_float>& data_buffer,

        PtrGrid<kFrameWnd, kMaxUEs, complex_float>& csi_buffers,

        Table<complex_float>& calib_dl_buffer,

        Table<complex_float>& calib_ul_buffer, PhyStats* in_phy_stats,

        Stats* stats_manager);

  ~DoFFT() override;


  EventData Launch(size_t tag) override;


  void PartialTranspose(complex_float* out_buf, size_t ant_id,

                        SymbolType symbol_type) const;


 private:

  Table<complex_float>& data_buffer_;

  PtrGrid<kFrameWnd, kMaxUEs, complex_float>& csi_buffers_;

  Table<complex_float>& calib_dl_buffer_;

  Table<complex_float>& calib_ul_buffer_;

  DFTI_DESCRIPTOR_HANDLE mkl_handle_;

  complex_float* fft_inout_;      // Buffer for both FFT input and output

  complex_float* fft_shift_tmp_;  // Buffer for both FFT input and output


  // Buffer for store 16-bit IQ converted from 12-bit IQ

  uint16_t* temp_16bits_iq_;

  std::complex<float>* rx_samps_tmp_;  // Temp buffer for received samples


  DurationStat* duration_stat_fft_;

  DurationStat* duration_stat_csi_;

  PhyStats* phy_stats_;

};


#endif  // DOFFT_H_