c@7: //
c@7: //  Spectrogram.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>
c@7: 
c@7: class Spectrogram{
c@7:     int m_inputLength;
c@9:     int m_windowLength;
c@7:     int m_fftLength;
c@7:     int m_hopSize;
c@7:     int m_numberOfOutputBins;
c@7:     double * fftInput;
c@7:     double * fftOutputReal;
c@7:     double * fftOutputImag;
c@7:     std::vector< std::vector <float> > spectrogramOutput;
c@7:     
c@7:     void initialise();
c@7:     void cleanup();
c@7: public:
c@7:     std::vector< std::vector<float> > audioToMagnitudeSpectrogram(const float * const input, const float * window);
c@9:     Spectrogram(unsigned int inputLength, unsigned int windowLength, unsigned int fftLength, unsigned int hopSize);
c@7:     ~Spectrogram();
c@7: };
c@7: 
c@7: #endif /* defined(__Tempogram__Spectrogram__) */