Chris@0: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@7: /*
Chris@7:     Permission is hereby granted, free of charge, to any person
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Chris@7:     restriction, including without limitation the rights to use, copy,
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Chris@7:     of the Software, and to permit persons to whom the Software is
Chris@7:     furnished to do so, subject to the following conditions:
Chris@7: 
Chris@7:     The above copyright notice and this permission notice shall be
Chris@7:     included in all copies or substantial portions of the Software.
Chris@7: 
Chris@7:     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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Chris@7:     MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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Chris@7: */
Chris@0: 
Chris@0: #ifndef _SIMPLE_CEPSTRUM_H_
Chris@0: #define _SIMPLE_CEPSTRUM_H_
Chris@0: 
Chris@0: #include <vamp-sdk/Plugin.h>
Chris@0: 
Chris@0: class SimpleCepstrum : public Vamp::Plugin
Chris@0: {
Chris@0: public:
Chris@0:     SimpleCepstrum(float inputSampleRate);
Chris@0:     virtual ~SimpleCepstrum();
Chris@0: 
Chris@0:     std::string getIdentifier() const;
Chris@0:     std::string getName() const;
Chris@0:     std::string getDescription() const;
Chris@0:     std::string getMaker() const;
Chris@0:     int getPluginVersion() const;
Chris@0:     std::string getCopyright() const;
Chris@0: 
Chris@0:     InputDomain getInputDomain() const;
Chris@0:     size_t getPreferredBlockSize() const;
Chris@0:     size_t getPreferredStepSize() const;
Chris@0:     size_t getMinChannelCount() const;
Chris@0:     size_t getMaxChannelCount() const;
Chris@0: 
Chris@0:     ParameterList getParameterDescriptors() const;
Chris@0:     float getParameter(std::string identifier) const;
Chris@0:     void setParameter(std::string identifier, float value);
Chris@0: 
Chris@0:     ProgramList getPrograms() const;
Chris@0:     std::string getCurrentProgram() const;
Chris@0:     void selectProgram(std::string name);
Chris@0: 
Chris@0:     OutputList getOutputDescriptors() const;
Chris@0: 
Chris@0:     bool initialise(size_t channels, size_t stepSize, size_t blockSize);
Chris@0:     void reset();
Chris@0: 
Chris@0:     FeatureSet process(const float *const *inputBuffers,
Chris@0:                        Vamp::RealTime timestamp);
Chris@0: 
Chris@0:     FeatureSet getRemainingFeatures();
Chris@0: 
Chris@0: protected:
Chris@0:     size_t m_channels;
Chris@0:     size_t m_stepSize;
Chris@0:     size_t m_blockSize;
Chris@0:     float m_fmin;
Chris@0:     float m_fmax;
Chris@5:     int m_histlen;
Chris@10:     int m_vflen;
Chris@0:     bool m_clamp;
Chris@0: 
Chris@3:     enum Method {
Chris@3:         InverseSymmetric,
Chris@3:         InverseAsymmetric,
Chris@4:         InverseComplex,
Chris@3:         ForwardMagnitude,
Chris@3:         ForwardDifference
Chris@3:     };
Chris@3: 
Chris@3:     Method m_method;
Chris@3: 
Chris@5:     mutable int m_pkOutput;
Chris@0:     mutable int m_varOutput;
Chris@5:     mutable int m_p2rOutput;
Chris@0:     mutable int m_cepOutput;
Chris@0:     mutable int m_pvOutput;
Chris@0:     mutable int m_amOutput;
Chris@2:     mutable int m_envOutput;
Chris@2:     mutable int m_esOutput;
Chris@6:     mutable int m_ppOutput;
Chris@6:     mutable int m_totOutput;
Chris@20:     mutable int m_pkoOutput;
Chris@0: 
Chris@5:     int m_binFrom;
Chris@5:     int m_binTo;
Chris@5:     int m_bins; // count of "interesting" bins, those returned in m_cepOutput
Chris@5: 
Chris@5:     double **m_history;
Chris@5:     
Chris@5:     void filter(const double *in, double *out);
Chris@0:     void fft(unsigned int n, bool inverse,
Chris@0:              double *ri, double *ii, double *ro, double *io);
Chris@5: 
Chris@5:     void addStatisticalOutputs(FeatureSet &fs, const double *data);
Chris@5:     void addEnvelopeOutputs(FeatureSet &fs, const float *const *inputBuffers,
Chris@5:                             const double *raw);
Chris@0: };
Chris@0: 
Chris@0: #endif