GNU Radio 3.6.4.1 C++ API
gr_fft_vcc.h
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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,
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21  */
22 
23 #ifndef INCLUDED_GR_FFT_VCC_H
24 #define INCLUDED_GR_FFT_VCC_H
25 
26 #include <gr_core_api.h>
27 #include <gr_sync_block.h>
28 
29 class gr_fft_vcc;
31 
33 gr_make_fft_vcc (int fft_size, bool forward,
34  const std::vector<float> &window,
35  bool shift=false, int nthreads=1);
36 
37 /*!
38  * \brief Compute forward or reverse FFT. complex vector in / complex vector out.
39  * \ingroup dft_blk
40  *
41  * Abstract base class
42  */
44 {
45 protected:
47  gr_make_fft_vcc (int fft_size, bool forward,
48  const std::vector<float> &window,
49  bool shift);
50 
51  unsigned int d_fft_size;
52  std::vector<float> d_window;
53  bool d_forward;
54  bool d_shift;
55 
56  gr_fft_vcc (const std::string &name, int fft_size, bool forward,
57  const std::vector<float> &window, bool shift);
58 
59  public:
60  ~gr_fft_vcc ();
61 
62  virtual void set_nthreads(int n);
63  virtual int nthreads() const;
64 
65  bool set_window(const std::vector<float> &window);
66 };
67 
68 #endif /* INCLUDED_GR_FFT_VCC_H */