view dsp/wavelet/Wavelet.h @ 162:a2b3fd07d862

Avoid pathological FFT length of 1 in plugin tester

/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */

/*
    QM DSP Library

    Centre for Digital Music, Queen Mary, University of London.
    This file copyright 2009 Thomas Wilmering.

    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.  See the file
    COPYING included with this distribution for more information.
*/

#ifndef _WAVELET_H_
#define _WAVELET_H_

#include <string>
#include <vector>

class Wavelet
{
public:
    enum Type {
        Haar = 0,
        Daubechies_2,
        Daubechies_3,
        Daubechies_4,
        Daubechies_5,
        Daubechies_6,
        Daubechies_7,
        Daubechies_8,
        Daubechies_9,
        Daubechies_10,
        Daubechies_20,
        Daubechies_40,
	Symlet_2,
	Symlet_3,
	Symlet_4,
	Symlet_5,
	Symlet_6,
	Symlet_7,
	Symlet_8,
	Symlet_9,
	Symlet_10,
	Symlet_20,
	Symlet_30,
	Coiflet_1,
	Coiflet_2,
	Coiflet_3,
	Coiflet_4,
	Coiflet_5,
	Biorthogonal_1_3,
	Biorthogonal_1_5,
	Biorthogonal_2_2,
	Biorthogonal_2_4,
	Biorthogonal_2_6,
	Biorthogonal_2_8,
	Biorthogonal_3_1,
	Biorthogonal_3_3,
	Biorthogonal_3_5,
	Biorthogonal_3_7,
	Biorthogonal_3_9,
	Biorthogonal_4_4,
	Biorthogonal_5_5,
	Biorthogonal_6_8,
	Meyer,

        LastType = Meyer
    };

    static std::string getWaveletName(Type);

    static void createDecompositionFilters(Type,
                                           std::vector<float> &lpd,
                                           std::vector<float> &hpd);
};

#endif