c@7: //
c@17: //  SpectrogramProcessor.h
c@7: //  Tempogram
c@7: //
c@7: //  Created by Carl Bussey on 07/08/2014.
c@7: //  Copyright (c) 2014 Carl Bussey. All rights reserved.
c@7: //
c@7: 
c@7: #ifndef __Tempogram__Spectrogram__
c@7: #define __Tempogram__Spectrogram__
c@7: #include <vector>
c@7: #include <vamp-sdk/FFT.h>
c@7: #include <cmath>
Chris@31: #include <cstddef>
c@7: 
c@13: typedef std::vector <std::vector<float> > Spectrogram;
c@13: typedef std::vector <std::vector<float> > SpectrogramTransposed;
c@13: 
c@11: class SpectrogramProcessor{
c@13:     size_t m_windowLength;
c@13:     size_t m_fftLength;
c@13:     size_t m_hopSize;
c@13:     size_t m_numberOfOutputBins;
c@13:     double * m_pFftInput;
c@13:     double * m_pFftOutputReal;
c@13:     double * m_pFftOutputImag;
c@7:     
c@7:     void initialise();
c@7:     void cleanup();
c@7: public:
c@14:     SpectrogramProcessor(const size_t &windowLength, const size_t &fftLength, const size_t &hopSize);
c@11:     ~SpectrogramProcessor();
c@13:     
c@25:     Spectrogram process(const float * const pInput, const size_t &inputLength, const float * pWindow) const;
c@14:     static SpectrogramTransposed transpose(const Spectrogram &spectrogram);
c@25:     static float calculateMax(const Spectrogram &spectrogram);
c@7: };
c@7: 
c@7: #endif /* defined(__Tempogram__Spectrogram__) */