qm-dsp  1.8
Wavelet.h
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00001 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
00002 
00003 /*
00004     QM DSP Library
00005 
00006     Centre for Digital Music, Queen Mary, University of London.
00007     This file copyright 2009 Thomas Wilmering.
00008 
00009     This program is free software; you can redistribute it and/or
00010     modify it under the terms of the GNU General Public License as
00011     published by the Free Software Foundation; either version 2 of the
00012     License, or (at your option) any later version.  See the file
00013     COPYING included with this distribution for more information.
00014 */
00015 
00016 #ifndef _WAVELET_H_
00017 #define _WAVELET_H_
00018 
00019 #include <string>
00020 #include <vector>
00021 
00022 class Wavelet
00023 {
00024 public:
00025     enum Type {
00026         Haar = 0,
00027         Daubechies_2,
00028         Daubechies_3,
00029         Daubechies_4,
00030         Daubechies_5,
00031         Daubechies_6,
00032         Daubechies_7,
00033         Daubechies_8,
00034         Daubechies_9,
00035         Daubechies_10,
00036         Daubechies_20,
00037         Daubechies_40,
00038         Symlet_2,
00039         Symlet_3,
00040         Symlet_4,
00041         Symlet_5,
00042         Symlet_6,
00043         Symlet_7,
00044         Symlet_8,
00045         Symlet_9,
00046         Symlet_10,
00047         Symlet_20,
00048         Symlet_30,
00049         Coiflet_1,
00050         Coiflet_2,
00051         Coiflet_3,
00052         Coiflet_4,
00053         Coiflet_5,
00054         Biorthogonal_1_3,
00055         Biorthogonal_1_5,
00056         Biorthogonal_2_2,
00057         Biorthogonal_2_4,
00058         Biorthogonal_2_6,
00059         Biorthogonal_2_8,
00060         Biorthogonal_3_1,
00061         Biorthogonal_3_3,
00062         Biorthogonal_3_5,
00063         Biorthogonal_3_7,
00064         Biorthogonal_3_9,
00065         Biorthogonal_4_4,
00066         Biorthogonal_5_5,
00067         Biorthogonal_6_8,
00068         Meyer,
00069 
00070         LastType = Meyer
00071     };
00072 
00073     static std::string getWaveletName(Type);
00074 
00075     static void createDecompositionFilters(Type,
00076                                            std::vector<float> &lpd,
00077                                            std::vector<float> &hpd);
00078 };
00079 
00080 #endif