mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-11-18 14:21:49 -05:00
59 lines
2.4 KiB
C++
59 lines
2.4 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
// Copyright (C) 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 _SDRBASE_FFTWFACTORY_H
|
|
#define _SDRBASE_FFTWFACTORY_H
|
|
|
|
#include <map>
|
|
#include <vector>
|
|
|
|
#include <QRecursiveMutex>
|
|
#include <QString>
|
|
|
|
#include "export.h"
|
|
#include "dsp/dsptypes.h"
|
|
#include "fftengine.h"
|
|
|
|
class SDRBASE_API FFTFactory {
|
|
public:
|
|
FFTFactory(const QString& fftwWisdomFileName);
|
|
~FFTFactory();
|
|
|
|
void preallocate(unsigned int minLog2Size, unsigned int maxLog2Size, unsigned int numberFFT, unsigned int numberInvFFT);
|
|
unsigned int getEngine(unsigned int fftSize, bool inverse, FFTEngine **engine, const QString& preferredEngine=""); //!< returns an engine sequence
|
|
void releaseEngine(unsigned int fftSize, bool inverse, unsigned int engineSequence);
|
|
|
|
private:
|
|
struct AllocatedEngine
|
|
{
|
|
FFTEngine *m_engine;
|
|
bool m_inUse;
|
|
|
|
AllocatedEngine() :
|
|
m_engine(nullptr),
|
|
m_inUse(false)
|
|
{}
|
|
};
|
|
|
|
QString m_fftwWisdomFileName;
|
|
std::map<unsigned int, std::vector<AllocatedEngine>> m_fftEngineBySize;
|
|
std::map<unsigned int, std::vector<AllocatedEngine>> m_invFFTEngineBySize;
|
|
QRecursiveMutex m_mutex;
|
|
};
|
|
|
|
#endif // _SDRBASE_FFTWFACTORY_H
|