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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
/*
Vamp feature extraction plugins using Paul Brossier's Aubio library.
Centre for Digital Music, Queen Mary, University of London.
This file copyright 2006 Chris Cannam.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version. See the file
COPYING included with this distribution for more information.
*/
#ifndef _ONSET_PLUGIN_H_
#define _ONSET_PLUGIN_H_
#include <vamp-sdk/Plugin.h>
#include <aubio/aubio.h>
#ifdef HAVE_AUBIO4
enum OnsetType {
OnsetEnergy,
OnsetSpecDiff,
OnsetHFC,
OnsetComplex,
OnsetPhase,
OnsetKL,
OnsetMKL,
OnsetSpecFlux // new in 0.4!
};
#endif
class Onset : public Vamp::Plugin
{
public:
Onset(float inputSampleRate);
virtual ~Onset();
bool initialise(size_t channels, size_t stepSize, size_t blockSize);
void reset();
InputDomain getInputDomain() const { return TimeDomain; }
std::string getIdentifier() const;
std::string getName() const;
std::string getDescription() const;
std::string getMaker() const;
int getPluginVersion() const;
std::string getCopyright() const;
ParameterList getParameterDescriptors() const;
float getParameter(std::string) const;
void setParameter(std::string, float);
size_t getPreferredStepSize() const;
size_t getPreferredBlockSize() const;
OutputList getOutputDescriptors() const;
FeatureSet process(const float *const *inputBuffers,
Vamp::RealTime timestamp);
FeatureSet getRemainingFeatures();
protected:
fvec_t *m_ibuf;
fvec_t *m_onset;
#ifdef HAVE_AUBIO4
aubio_onset_t *m_onsetdet;
OnsetType m_onsettype;
float m_minioi;
#else
cvec_t *m_fftgrain;
aubio_pvoc_t *m_pv;
aubio_pickpeak_t *m_peakpick;
aubio_onsetdetection_t *m_onsetdet;
aubio_onsetdetection_type m_onsettype;
size_t m_channelCount;
#endif
float m_silence;
float m_threshold;
size_t m_stepSize;
size_t m_blockSize;
Vamp::RealTime m_delay;
Vamp::RealTime m_lastOnset;
};
#endif
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