cannam@17: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
cannam@17: 
cannam@17: /*
cannam@17:     Vamp feature extraction plugins using Paul Brossier's Aubio library.
cannam@17: 
cannam@17:     Centre for Digital Music, Queen Mary, University of London.
cannam@17:     This file copyright 2006 Chris Cannam.
cannam@17:     
cannam@17:     This program is free software; you can redistribute it and/or
cannam@17:     modify it under the terms of the GNU General Public License as
cannam@17:     published by the Free Software Foundation; either version 2 of the
cannam@17:     License, or (at your option) any later version.  See the file
cannam@17:     COPYING included with this distribution for more information.
cannam@17: 
cannam@17: */
cannam@17: 
cannam@17: #ifndef _SILENCE_PLUGIN_H_
cannam@17: #define _SILENCE_PLUGIN_H_
cannam@17: 
cannam@17: #include <vamp-sdk/Plugin.h>
cannam@17: #include <aubio/aubio.h>
cannam@17: 
cannam@17: class Silence : public Vamp::Plugin
cannam@17: {
cannam@17: public:
cannam@20:     Silence(float inputSampleRate, unsigned int apiVersion);
cannam@17:     virtual ~Silence();
cannam@17: 
cannam@17:     bool initialise(size_t channels, size_t stepSize, size_t blockSize);
cannam@17:     void reset();
cannam@17: 
cannam@17:     InputDomain getInputDomain() const { return TimeDomain; }
cannam@17: 
cannam@17:     std::string getIdentifier() const;
cannam@17:     std::string getName() const;
cannam@17:     std::string getDescription() const;
cannam@17:     std::string getMaker() const;
cannam@17:     int getPluginVersion() const;
cannam@17:     std::string getCopyright() const;
cannam@17: 
cannam@17:     ParameterList getParameterDescriptors() const;
cannam@17:     float getParameter(std::string) const;
cannam@17:     void setParameter(std::string, float);
cannam@17: 
cannam@17:     size_t getPreferredStepSize() const;
cannam@17:     size_t getPreferredBlockSize() const;
cannam@17: 
cannam@17:     OutputList getOutputDescriptors() const;
cannam@17: 
cannam@17:     FeatureSet process(const float *const *inputBuffers,
cannam@17:                        Vamp::RealTime timestamp);
cannam@17: 
cannam@17:     FeatureSet getRemainingFeatures();
cannam@17: 
cannam@17: protected:
cannam@20:     unsigned int m_apiVersion;
cannam@17:     fvec_t *m_ibuf;
cannam@17:     fvec_t *m_pbuf;
cannam@17:     smpl_t **m_tmpptrs;
cannam@17:     float m_threshold;
cannam@17:     size_t m_stepSize;
cannam@17:     size_t m_blockSize;
cannam@17:     size_t m_channelCount;
cannam@17:     bool m_prevSilent;
cannam@17:     bool m_first;
cannam@20:     Vamp::RealTime m_lastChange;
cannam@20:     Vamp::RealTime m_lastTimestamp;
cannam@17: };
cannam@17: 
cannam@17: 
cannam@17: #endif