2011-03-02 07:37:39 -05:00
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/*
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2016-10-05 18:16:44 -04:00
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Copyright (c) 2005 Centre for Digital Music ( C4DM )
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Queen Mary Univesrity of London
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version. See the file
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COPYING included with this distribution for more information.
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2011-03-02 07:37:39 -05:00
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*/
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#ifndef GETKEYMODE_H
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#define GETKEYMODE_H
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#include "dsp/rateconversion/Decimator.h"
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#include "dsp/chromagram/Chromagram.h"
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class GetKeyMode
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{
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public:
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GetKeyMode( int sampleRate, float tuningFrequency,
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double hpcpAverage, double medianAverage );
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virtual ~GetKeyMode();
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int process( double* PCMData );
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double krumCorr( double* pData1, double* pData2, unsigned int length );
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unsigned int getBlockSize() { return m_ChromaFrameSize*m_DecimationFactor; }
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unsigned int getHopSize() { return m_ChromaHopSize*m_DecimationFactor; }
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double* getChroma() { return m_ChrPointer; }
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unsigned int getChromaSize() { return m_BPO; }
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double* getMeanHPCP() { return m_MeanHPCP; }
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double *getKeyStrengths() { return m_keyStrengths; }
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bool isModeMinor( int key );
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protected:
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double m_hpcpAverage;
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double m_medianAverage;
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unsigned int m_DecimationFactor;
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//Decimator (fixed)
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Decimator* m_Decimator;
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//chroma configuration
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ChromaConfig m_ChromaConfig;
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//Chromagram object
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Chromagram* m_Chroma;
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//Chromagram output pointer
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double* m_ChrPointer;
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//Framesize
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unsigned int m_ChromaFrameSize;
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//Hop
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unsigned int m_ChromaHopSize;
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//Bins per octave
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unsigned int m_BPO;
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unsigned int m_ChromaBuffersize;
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unsigned int m_MedianWinsize;
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unsigned int m_bufferindex;
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unsigned int m_ChromaBufferFilling;
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unsigned int m_MedianBufferFilling;
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double* m_DecimatedBuffer;
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double* m_ChromaBuffer;
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double* m_MeanHPCP;
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double* m_MajCorr;
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double* m_MinCorr;
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double* m_Keys;
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int* m_MedianFilterBuffer;
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int* m_SortedBuffer;
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double *m_keyStrengths;
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};
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#endif // !defined GETKEYMODE_H
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