/usr/include/CLAM/IFFT_fftw3.hxx is in libclam-dev 1.4.0-7.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 | /*
* 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 _IFFT_fftw3_
#define _IFFT_fftw3_
#include "IFFT_base.hxx"
#include "ErrDynamicType.hxx"
#include "SpectrumConfig.hxx"
namespace CLAM {
/** Implementation of the IFFT using the Fastest Fourier in the West version 3
* @see <a HREF="http://www.fftw.org/"> FFTW Home Page</a>
*/
class IFFT_fftw3: public IFFT_base
{
struct Implementation;
Implementation * _fftw3;
/* IFFT possible execution states.
*/
typedef enum {
sComplex, // We just need to read the complex array.
sOther // The complex array is not present.
} IFFTState;
/** Execution state of the IFFT object. It includes I/O
prototypes state */
IFFTState mState;
void DefaultInit();
inline void CheckTypes(const Spectrum& in, const Audio &out) const;
// Output conversions
/** Converts a complex array to the RIFFTW input format.
* @param The spectrum object from which the complex array is taken. It
* must have its ComplexArray attribute instantiated.
* @see the <a HREF="http://www.fftw.org/doc/fftw_2.html#SEC5"> RFFTW docs </a>
* for a description of this format.
*/
inline void ComplexToRIFFTW(const Spectrum &in) const;
inline void OtherToRIFFTW(const Spectrum &in) const;
void ReleaseMemory();
void SetupMemory();
/** Configuration change method
* @pre argument should be a IFFTConfig
*/
bool ConcreteConfigure(const ProcessingConfig&);
public:
IFFT_fftw3(const IFFTConfig &c=IFFTConfig());
~IFFT_fftw3();
const char * GetClassName() const {return "IFFT_fftw3";}
bool Do();
bool Do(const Spectrum& in, Audio &out) const;
bool MayDisableExecution() const {return true;}
// Port interfaces.
bool SetPrototypes(const Spectrum& in,const Audio &out);
bool SetPrototypes();
bool UnsetPrototypes();
};
}
#endif // _IFFT_fftw3_
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