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/* -*- c++ -*- */
/*
* Copyright 2004,2007,2008,2012 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_FFT_FFT_VCC_FFTW_IMPL_H
#define INCLUDED_FFT_FFT_VCC_FFTW_IMPL_H
#include <fft/fft_vcc.h>
#include <fft/fft.h>
namespace gr {
namespace fft {
class FFT_API fft_vcc_fftw : public fft_vcc
{
private:
fft_complex *d_fft;
unsigned int d_fft_size;
std::vector<float> d_window;
bool d_forward;
bool d_shift;
public:
fft_vcc_fftw(int fft_size, bool forward,
const std::vector<float> &window,
bool shift, int nthreads=1);
~fft_vcc_fftw();
void set_nthreads(int n);
int nthreads() const;
bool set_window(const std::vector<float> &window);
int work(int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items);
};
} /* namespace fft */
} /* namespace gr */
#endif /* INCLUDED_FFT_FFT_VCC_FFTW_IMPL_H */
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