sdrangel/sdrbase/dsp/fftwengine.h

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///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2015-2020 Edouard Griffiths, F4EXB //
// //
// This program 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 as version 3 of the License, or //
// (at your option) any later version. //
// //
// This program 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 V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#ifndef INCLUDE_FFTWENGINE_H
#define INCLUDE_FFTWENGINE_H
#include <QMutex>
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#include <QString>
#include <fftw3.h>
#include <list>
#include "dsp/fftengine.h"
#include "export.h"
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class SDRBASE_API FFTWEngine : public FFTEngine {
public:
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FFTWEngine(const QString& fftWisdomFileName);
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virtual ~FFTWEngine();
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virtual void configure(int n, bool inverse);
virtual void transform();
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virtual Complex* in();
virtual Complex* out();
virtual void setReuse(bool reuse) { m_reuse = reuse; }
protected:
static QMutex m_globalPlanMutex;
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QString m_fftWisdomFileName;
struct Plan {
int n;
bool inverse;
fftwf_plan plan;
fftwf_complex* in;
fftwf_complex* out;
};
typedef std::list<Plan*> Plans;
Plans m_plans;
Plan* m_currentPlan;
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bool m_reuse;
void freeAll();
};
#endif // INCLUDE_FFTWENGINE_H