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