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livetrax/libs/vamp-plugins/BeatTrack.h

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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
/*
QM Vamp Plugin Set
Centre for Digital Music, Queen Mary, University of London.
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 _BEAT_TRACK_PLUGIN_H_
#define _BEAT_TRACK_PLUGIN_H_
#include <vamp-sdk/Plugin.h>
class BeatTrackerData;
class BeatTracker : public Vamp::Plugin
{
public:
BeatTracker(float inputSampleRate);
virtual ~BeatTracker();
bool initialise(size_t channels, size_t stepSize, size_t blockSize);
void reset();
InputDomain getInputDomain() const { return FrequencyDomain; }
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:
BeatTrackerData *m_d;
int m_method;
int m_dfType;
// MEPD new protected parameters to allow the user to control these advanced parameters of the beat tracker
double m_alpha;
double m_tightness;
double m_inputtempo;
bool m_constraintempo;
bool m_whiten;
static float m_stepSecs;
FeatureSet beatTrackOld();
FeatureSet beatTrackNew();
};
#endif