VampPluginSDK 2.10
FixedTempoEstimator.h
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3/*
4 Vamp
5
6 An API for audio analysis and feature extraction plugins.
7
8 Centre for Digital Music, Queen Mary, University of London.
9 Copyright 2006-2009 Chris Cannam and QMUL.
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11 Permission is hereby granted, free of charge, to any person
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36
37#ifndef _FIXED_TEMPO_ESTIMATOR_PLUGIN_H_
38#define _FIXED_TEMPO_ESTIMATOR_PLUGIN_H_
39
40#include "vamp-sdk/Plugin.h"
41
47{
48public:
49 FixedTempoEstimator(float inputSampleRate);
50 virtual ~FixedTempoEstimator();
51
52 bool initialise(size_t channels, size_t stepSize, size_t blockSize);
53 void reset();
54
56
57 std::string getIdentifier() const;
58 std::string getName() const;
59 std::string getDescription() const;
60 std::string getMaker() const;
61 int getPluginVersion() const;
62 std::string getCopyright() const;
63
64 size_t getPreferredStepSize() const;
65 size_t getPreferredBlockSize() const;
66
68 float getParameter(std::string id) const;
69 void setParameter(std::string id, float value);
70
72
73 FeatureSet process(const float *const *inputBuffers,
74 Vamp::RealTime timestamp);
75
77
78protected:
79 class D;
81};
82
83
84#endif
Example plugin that estimates the tempo of a short fixed-tempo sample.
std::string getIdentifier() const
Get the computer-usable name of the plugin.
FeatureSet process(const float *const *inputBuffers, Vamp::RealTime timestamp)
Process a single block of input data.
int getPluginVersion() const
Get the version number of the plugin.
std::string getCopyright() const
Get the copyright statement or licensing summary for the plugin.
FeatureSet getRemainingFeatures()
After all blocks have been processed, calculate and return any remaining features derived from the co...
ParameterList getParameterDescriptors() const
Get the controllable parameters of this plugin.
std::string getDescription() const
Get a human-readable description for the plugin, typically a line of text that may optionally be disp...
std::string getMaker() const
Get the name of the author or vendor of the plugin in human-readable form.
InputDomain getInputDomain() const
Get the plugin's required input domain.
void setParameter(std::string id, float value)
Set a named parameter.
size_t getPreferredBlockSize() const
Get the preferred block size (window size – the number of sample frames passed in each block to the p...
bool initialise(size_t channels, size_t stepSize, size_t blockSize)
Initialise a plugin to prepare it for use with the given number of input channels,...
std::string getName() const
Get a human-readable name or title of the plugin.
void reset()
Reset the plugin after use, to prepare it for another clean run.
size_t getPreferredStepSize() const
Get the preferred step size (window increment – the distance in sample frames between the start frame...
float getParameter(std::string id) const
Get the value of a named parameter.
OutputList getOutputDescriptors() const
Get the outputs of this plugin.
std::vector< ParameterDescriptor > ParameterList
Vamp::Plugin is a base class for plugin instance classes that provide feature extraction from audio o...
std::vector< OutputDescriptor > OutputList
std::map< int, FeatureList > FeatureSet
RealTime represents time values to nanosecond precision with accurate arithmetic and frame-rate conve...