fftwengine.h

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#ifndef INCLUDE_FFTWENGINE_H
#define INCLUDE_FFTWENGINE_H

#include <QMutex>
#include <fftw3.h>
#include <list>
#include "dsp/fftengine.h"
#include "export.h"

class SDRBASE_API FFTWEngine : public FFTEngine {
public:
    FFTWEngine();
    ~FFTWEngine();

    void configure(int n, bool inverse);
    void transform();

    Complex* in();
    Complex* out();

protected:
    static QMutex m_globalPlanMutex;

    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;

    void freeAll();
};

#endif // INCLUDE_FFTWENGINE_H