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SDR-DAB_dab-cmdline/library/includes/support/fft-handler.h
2025-06-22 19:12:39 +02:00

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C++

#
/*
* Copyright (C) 2009 .. 2017
* Jan van Katwijk (J.vanKatwijk@gmail.com)
* Lazy Chair Computing
*
* This file is part of the DAB library
*
* DAB libray 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 2 of the License, or
* (at your option) any later version.
*
* DAB library 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 DAB library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#pragma once
//
// Simple wrapper around fftwf
#include "dab-constants.h"
#include "dab-params.h"
#include <fftw3.h>
class fft_handler {
public:
fft_handler (uint8_t);
~fft_handler ();
complex<float> *getVector ();
void fft (Complex *);
void do_FFT ();
void do_iFFT ();
private:
dabParams p;
int32_t fftSize;
complex<float> *vector;
fftwf_plan plan;
};