Mercurial > hg > vamp-tempogram
view SpectrogramProcessor.h @ 32:023d12fb71b1
Some sample rate / parameter combinations result in min bin > max bin -- reject them
author | Chris Cannam |
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date | Thu, 04 Sep 2014 10:08:47 +0100 |
parents | f795b84c1ff2 |
children | 4cf2d163127b |
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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 <cstddef> 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__) */