1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
/* -*- c++ -*- */
/*
* Copyright 2004,2010,2012 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* GNU Radio is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* GNU Radio is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_GR_FFT_VFC_H
#define INCLUDED_GR_FFT_VFC_H
#include <gr_core_api.h>
#include <gr_sync_block.h>
class gri_fft_complex;
class gr_fft_vfc;
typedef boost::shared_ptr<gr_fft_vfc> gr_fft_vfc_sptr;
GR_CORE_API gr_fft_vfc_sptr
gr_make_fft_vfc (int fft_size, bool forward,
const std::vector<float> &window,
int nthreads=1);
/*!
* \brief Compute forward FFT. float vector in / complex vector out.
* \ingroup dft_blk
*/
class GR_CORE_API gr_fft_vfc : public gr_sync_block
{
friend GR_CORE_API gr_fft_vfc_sptr
gr_make_fft_vfc (int fft_size, bool forward,
const std::vector<float> &window,
int nthreads);
unsigned int d_fft_size;
std::vector<float> d_window;
gri_fft_complex *d_fft;
gr_fft_vfc (int fft_size, bool forward,
const std::vector<float> &window,
int nthreads=1);
public:
~gr_fft_vfc ();
void set_nthreads(int n);
int nthreads() const;
int work (int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items);
bool set_window(const std::vector<float> &window);
};
#endif /* INCLUDED_GR_FFT_VFC_H */
|
