c@45: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
c@45: 
c@45: /*
c@45:     QM Vamp Plugin Set
c@45: 
c@45:     Centre for Digital Music, Queen Mary, University of London.
c@135: 
c@135:     This program is free software; you can redistribute it and/or
c@135:     modify it under the terms of the GNU General Public License as
c@135:     published by the Free Software Foundation; either version 2 of the
c@135:     License, or (at your option) any later version.  See the file
c@135:     COPYING included with this distribution for more information.
c@45: */
c@45: 
c@45: #ifndef _MFCC_PLUGIN_H_
c@45: #define _MFCC_PLUGIN_H_
c@45: 
c@45: #include <vamp-sdk/Plugin.h>
c@45: #include <dsp/mfcc/MFCC.h>
c@45: 
c@45: #include <vector>
c@45: 
c@45: class MFCCPlugin : public Vamp::Plugin
c@45: {
c@45: public:
c@45:     MFCCPlugin(float inputSampleRate);
c@45:     virtual ~MFCCPlugin();
c@45: 
c@45:     bool initialise(size_t channels, size_t stepSize, size_t blockSize);
c@45:     void reset();
c@45: 
c@45:     InputDomain getInputDomain() const { return FrequencyDomain; }
c@45: 
c@45:     std::string getIdentifier() const;
c@45:     std::string getName() const;
c@45:     std::string getDescription() const;
c@45:     std::string getMaker() const;
c@45:     int getPluginVersion() const;
c@45:     std::string getCopyright() const;
c@45: 
c@45:     ParameterList getParameterDescriptors() const;
c@45:     float getParameter(std::string) const;
c@45:     void setParameter(std::string, float);
c@45: 
c@45:     size_t getPreferredStepSize() const;
c@45:     size_t getPreferredBlockSize() const;
c@45: 
c@45:     OutputList getOutputDescriptors() const;
c@45: 
c@45:     FeatureSet process(const float *const *inputBuffers,
c@45:                        Vamp::RealTime timestamp);
c@45: 
c@45:     FeatureSet getRemainingFeatures();
c@45: 
c@45: protected:
c@45:     int m_bins; // == nceps is m_wantC0 false or nceps+1 if m_wantC0 true
c@45:     bool m_wantC0;
c@45:     float m_logpower;
c@45: 
c@45:     void setupConfig();
c@45: 
c@45:     MFCCConfig m_config;
c@45:     MFCC *m_mfcc;
c@45:     mutable size_t m_step;
c@45:     mutable size_t m_block;
c@45: 
c@45:     std::vector<double> m_binsums;
c@45:     size_t m_count;
c@45: 
c@45:     Feature normalize(const Feature &);
c@45: };
c@45: 
c@45: 
c@45: #endif