VampPluginSDK  2.10
AmplitudeFollower.h
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1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
2 
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  This file copyright 2006 Dan Stowell.
10 
11  Permission is hereby granted, free of charge, to any person
12  obtaining a copy of this software and associated documentation
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31  Digital Music; Queen Mary, University of London; and Chris Cannam
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35 */
36 
37 #ifndef _AMPLITUDE_FOLLOWER_PLUGIN_H_
38 #define _AMPLITUDE_FOLLOWER_PLUGIN_H_
39 
40 #include "vamp-sdk/Plugin.h"
41 
48 {
49 public:
50  AmplitudeFollower(float inputSampleRate);
51  virtual ~AmplitudeFollower();
52 
53  bool initialise(size_t channels, size_t stepSize, size_t blockSize);
54  void reset();
55 
57 
58  std::string getIdentifier() const;
59  std::string getName() const;
60  std::string getDescription() const;
61  std::string getMaker() const;
62  int getPluginVersion() const;
63  std::string getCopyright() const;
64 
66 
68  float getParameter(std::string paramid) const;
69  void setParameter(std::string paramid, float newval);
70 
71  FeatureSet process(const float *const *inputBuffers,
72  Vamp::RealTime timestamp);
73 
75 
76 protected:
77  size_t m_stepSize;
78  float m_previn;
79  float m_clampcoef;
80  float m_relaxcoef;
81 };
82 
83 
84 #endif
AmplitudeFollower::getParameterDescriptors
ParameterList getParameterDescriptors() const
Get the controllable parameters of this plugin.
Definition: AmplitudeFollower.cpp:154
AmplitudeFollower::initialise
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,...
Definition: AmplitudeFollower.cpp:106
AmplitudeFollower::getPluginVersion
int getPluginVersion() const
Get the version number of the plugin.
Definition: AmplitudeFollower.cpp:94
AmplitudeFollower::getDescription
std::string getDescription() const
Get a human-readable description for the plugin, typically a line of text that may optionally be disp...
Definition: AmplitudeFollower.cpp:82
AmplitudeFollower::getInputDomain
InputDomain getInputDomain() const
Get the plugin's required input domain.
Definition: AmplitudeFollower.h:56
AmplitudeFollower::getRemainingFeatures
FeatureSet getRemainingFeatures()
After all blocks have been processed, calculate and return any remaining features derived from the co...
Definition: AmplitudeFollower.cpp:249
AmplitudeFollower
Example plugin implementing the SuperCollider amplitude follower function.
Definition: AmplitudeFollower.h:47
Vamp::Plugin::InputDomain
InputDomain
Definition: vamp-sdk/Plugin.h:152
AmplitudeFollower::getName
std::string getName() const
Get a human-readable name or title of the plugin.
Definition: AmplitudeFollower.cpp:76
Vamp::Plugin
Definition: vamp-sdk/Plugin.h:124
AmplitudeFollower::m_stepSize
size_t m_stepSize
Definition: AmplitudeFollower.h:77
AmplitudeFollower::getMaker
std::string getMaker() const
Get the name of the author or vendor of the plugin in human-readable form.
Definition: AmplitudeFollower.cpp:88
Vamp::Plugin::OutputList
std::vector< OutputDescriptor > OutputList
Definition: vamp-sdk/Plugin.h:335
AmplitudeFollower::getIdentifier
std::string getIdentifier() const
Get the computer-usable name of the plugin.
Definition: AmplitudeFollower.cpp:70
Vamp::Plugin::TimeDomain
@ TimeDomain
Definition: vamp-sdk/Plugin.h:152
AmplitudeFollower::getOutputDescriptors
OutputList getOutputDescriptors() const
Get the outputs of this plugin.
Definition: AmplitudeFollower.cpp:134
AmplitudeFollower::m_clampcoef
float m_clampcoef
Definition: AmplitudeFollower.h:79
AmplitudeFollower::m_relaxcoef
float m_relaxcoef
Definition: AmplitudeFollower.h:80
Vamp::PluginBase::ParameterList
std::vector< ParameterDescriptor > ParameterList
Definition: vamp-sdk/PluginBase.h:203
AmplitudeFollower::~AmplitudeFollower
virtual ~AmplitudeFollower()
Definition: AmplitudeFollower.cpp:65
AmplitudeFollower::getCopyright
std::string getCopyright() const
Get the copyright statement or licensing summary for the plugin.
Definition: AmplitudeFollower.cpp:100
AmplitudeFollower::getParameter
float getParameter(std::string paramid) const
Get the value of a named parameter.
Definition: AmplitudeFollower.cpp:194
Plugin.h
AmplitudeFollower::reset
void reset()
Reset the plugin after use, to prepare it for another clean run.
Definition: AmplitudeFollower.cpp:128
Vamp::RealTime
Definition: vamp-sdk/RealTime.h:66
AmplitudeFollower::m_previn
float m_previn
Definition: AmplitudeFollower.h:78
AmplitudeFollower::process
FeatureSet process(const float *const *inputBuffers, Vamp::RealTime timestamp)
Process a single block of input data.
Definition: AmplitudeFollower.cpp:206
AmplitudeFollower::setParameter
void setParameter(std::string paramid, float newval)
Set a named parameter.
Definition: AmplitudeFollower.cpp:185
AmplitudeFollower::AmplitudeFollower
AmplitudeFollower(float inputSampleRate)
An implementation of SuperCollider's amplitude-follower algorithm as a simple Vamp plugin.
Definition: AmplitudeFollower.cpp:56
Vamp::Plugin::FeatureSet
std::map< int, FeatureList > FeatureSet
Definition: vamp-sdk/Plugin.h:395