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von raredesign | Dez 3, 2019 | Allgemein | 0 Kommentare
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| Current Path : /proc/self/root/usr/include/CLAM/ |
| Current File : //proc/self/root/usr/include/CLAM/FFT_fftw3.hxx |
/*
* Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG)
* UNIVERSITAT POMPEU FABRA
*
*
* 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; either version 2 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef FFT_fftw3_hxx
#define FFT_fftw3_hxx
#ifndef USE_FFTW3
#error This header should not be used without the USE_FFTW3 macro defined
#endif
#include "FFT_base.hxx"
#include "DataTypes.hxx"
#include "SpecTypeFlags.hxx"
#include "ErrDynamicType.hxx"
namespace CLAM
{
class FFTConfig;
class Spectrum;
class Audio;
namespace Hidden { struct FFT_fftw3_Implementation; }
/** Implementation of the FFT using the Fastest Fourier Transform of the West version 3
*/
class FFT_fftw3: public FFT_base
{
public:
FFT_fftw3(const FFTConfig &c=FFTConfig());
~FFT_fftw3();
const char * GetClassName() const {return "FFT_fftw3";}
// Execution methods
bool Do();
bool Do(const Audio& in, Spectrum &out);
protected:
bool ConcreteConfigure(const ProcessingConfig&);
private:
Hidden::FFT_fftw3_Implementation * _fftw3;
private:
// Memory Management (for work areas and stuff)
void ReleaseMemory();
void SetupMemory();
// Output conversions
void ToComplex(Spectrum &out);
};
}//namespace CLAM
#endif//FFT_fftw3_hxx
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