Mercurial > hg > vamp-tempogram
view SpectrogramProcessor.h @ 25:fe23998968b4
* Added tempogram via autocorrelation feature, using AutocorrelationProcessor
* Moved calculateMax() from NoveltyCurveProcessor to SpectrogramProcessor
author | Carl Bussey <c.bussey@se10.qmul.ac.uk> |
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date | Wed, 20 Aug 2014 16:00:37 +0100 |
parents | de7213b35755 |
children | f795b84c1ff2 |
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// // SpectrogramProcessor.h // Tempogram // // Created by Carl Bussey on 07/08/2014. // Copyright (c) 2014 Carl Bussey. All rights reserved. // #ifndef __Tempogram__Spectrogram__ #define __Tempogram__Spectrogram__ #include <vector> #include <vamp-sdk/FFT.h> #include <cmath> #include <stddef.h> typedef std::vector <std::vector<float> > Spectrogram; typedef std::vector <std::vector<float> > SpectrogramTransposed; class SpectrogramProcessor{ size_t m_windowLength; size_t m_fftLength; size_t m_hopSize; size_t m_numberOfOutputBins; double * m_pFftInput; double * m_pFftOutputReal; double * m_pFftOutputImag; void initialise(); void cleanup(); public: SpectrogramProcessor(const size_t &windowLength, const size_t &fftLength, const size_t &hopSize); ~SpectrogramProcessor(); Spectrogram process(const float * const pInput, const size_t &inputLength, const float * pWindow) const; static SpectrogramTransposed transpose(const Spectrogram &spectrogram); static float calculateMax(const Spectrogram &spectrogram); }; #endif /* defined(__Tempogram__Spectrogram__) */