GNU Radio 3.7.2 C++ API
fft_vcc_fftw.h
Go to the documentation of this file.
1 /* -*- c++ -*- */
2 /*
3  * Copyright 2004,2007,2008,2012 Free Software Foundation, Inc.
4  *
5  * This file is part of GNU Radio
6  *
7  * GNU Radio is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 3, or (at your option)
10  * any later version.
11  *
12  * GNU Radio is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with GNU Radio; see the file COPYING. If not, write to
19  * the Free Software Foundation, Inc., 51 Franklin Street,
20  * Boston, MA 02110-1301, USA.
21  */
22 
23 #ifndef INCLUDED_FFT_FFT_VCC_FFTW_IMPL_H
24 #define INCLUDED_FFT_FFT_VCC_FFTW_IMPL_H
25 
26 #include <gnuradio/fft/fft_vcc.h>
27 #include <gnuradio/fft/fft.h>
28 
29 namespace gr {
30  namespace fft {
31 
32  class FFT_API fft_vcc_fftw : public fft_vcc
33  {
34  private:
35  fft_complex *d_fft;
36  unsigned int d_fft_size;
37  std::vector<float> d_window;
38  bool d_forward;
39  bool d_shift;
40 
41  public:
42  fft_vcc_fftw(int fft_size, bool forward,
43  const std::vector<float> &window,
44  bool shift, int nthreads=1);
45 
46  ~fft_vcc_fftw();
47 
48  void set_nthreads(int n);
49  int nthreads() const;
50  bool set_window(const std::vector<float> &window);
51 
52  int work(int noutput_items,
53  gr_vector_const_void_star &input_items,
54  gr_vector_void_star &output_items);
55  };
56 
57  } /* namespace fft */
58 } /* namespace gr */
59 
60 #endif /* INCLUDED_FFT_FFT_VCC_FFTW_IMPL_H */
Definition: window.h:31
Compute forward or reverse FFT. complex vector in / complex vector out.
Definition: fft_vcc.h:36
#define FFT_API
Definition: gr-fft/include/gnuradio/fft/api.h:30
FFT: complex in, complex out.
Definition: fft.h:71
std::vector< const void * > gr_vector_const_void_star
Definition: gnuradio-runtime/include/gnuradio/types.h:38
Definition: fft_vcc_fftw.h:32
std::vector< void * > gr_vector_void_star
Definition: gnuradio-runtime/include/gnuradio/types.h:37