VampPluginSDK 2.10
PluginWrapper.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 Copyright 2006-2009 Chris Cannam and QMUL.
10
11 Permission is hereby granted, free of charge, to any person
12 obtaining a copy of this software and associated documentation
13 files (the "Software"), to deal in the Software without
14 restriction, including without limitation the rights to use, copy,
15 modify, merge, publish, distribute, sublicense, and/or sell copies
16 of the Software, and to permit persons to whom the Software is
17 furnished to do so, subject to the following conditions:
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19 The above copyright notice and this permission notice shall be
20 included in all copies or substantial portions of the Software.
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31 Digital Music; Queen Mary, University of London; and Chris Cannam
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36
37#ifndef _VAMP_PLUGIN_WRAPPER_H_
38#define _VAMP_PLUGIN_WRAPPER_H_
39
40#include "hostguard.h"
41#include <vamp-hostsdk/Plugin.h>
42
43_VAMP_SDK_HOSTSPACE_BEGIN(PluginWrapper.h)
44
45namespace Vamp {
46
47namespace HostExt {
48
65class PluginWrapper : public Plugin
66{
67public:
68 virtual ~PluginWrapper();
69
70 bool initialise(size_t channels, size_t stepSize, size_t blockSize);
71 void reset();
72
74
75 unsigned int getVampApiVersion() const;
76 std::string getIdentifier() const;
77 std::string getName() const;
78 std::string getDescription() const;
79 std::string getMaker() const;
80 int getPluginVersion() const;
81 std::string getCopyright() const;
82
84 float getParameter(std::string) const;
85 void setParameter(std::string, float);
86
88 std::string getCurrentProgram() const;
89 void selectProgram(std::string);
90
91 size_t getPreferredStepSize() const;
92 size_t getPreferredBlockSize() const;
93
94 size_t getMinChannelCount() const;
95 size_t getMaxChannelCount() const;
96
98
99 FeatureSet process(const float *const *inputBuffers, RealTime timestamp);
100
102
118 template <typename WrapperType>
119 WrapperType *getWrapper() {
120 WrapperType *w = dynamic_cast<WrapperType *>(this);
121 if (w) return w;
122 PluginWrapper *pw = dynamic_cast<PluginWrapper *>(m_plugin);
123 if (pw) return pw->getWrapper<WrapperType>();
124 return 0;
125 }
126
141
142protected:
143 PluginWrapper(Plugin *plugin); // I take ownership of plugin
146};
147
148}
149
150}
151
152_VAMP_SDK_HOSTSPACE_END(PluginWrapper.h)
153
154#endif
PluginWrapper is a simple base class for adapter plugins.
Definition: PluginWrapper.h:66
void selectProgram(std::string)
Select a program.
FeatureSet getRemainingFeatures()
After all blocks have been processed, calculate and return any remaining features derived from the co...
PluginWrapper(Plugin *plugin)
std::string getCurrentProgram() const
Get the current program.
float getParameter(std::string) const
Get the value of a named parameter.
void setParameter(std::string, float)
Set a named parameter.
FeatureSet process(const float *const *inputBuffers, RealTime timestamp)
Process a single block of input data.
void disownPlugin()
Disown the wrapped plugin, so that we no longer delete it on our own destruction.
WrapperType * getWrapper()
Return a pointer to the plugin wrapper of type WrapperType surrounding this wrapper's plugin,...
InputDomain getInputDomain() const
Get the plugin's required input domain.
size_t getPreferredBlockSize() const
Get the preferred block size (window size – the number of sample frames passed in each block to the p...
int getPluginVersion() const
Get the version number of the plugin.
ProgramList getPrograms() const
Get the program settings available in this plugin.
std::string getName() const
Get a human-readable name or title of the plugin.
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,...
ParameterList getParameterDescriptors() const
Get the controllable parameters of this plugin.
size_t getMinChannelCount() const
Get the minimum supported number of input channels.
size_t getMaxChannelCount() const
Get the maximum supported number of input channels.
void reset()
Reset the plugin after use, to prepare it for another clean run.
std::string getDescription() const
Get a human-readable description for the plugin, typically a line of text that may optionally be disp...
std::string getIdentifier() const
Get the computer-usable name of the plugin.
size_t getPreferredStepSize() const
Get the preferred step size (window increment – the distance in sample frames between the start frame...
std::string getCopyright() const
Get the copyright statement or licensing summary for the plugin.
OutputList getOutputDescriptors() const
Get the outputs of this plugin.
std::string getMaker() const
Get the name of the author or vendor of the plugin in human-readable form.
unsigned int getVampApiVersion() const
Get the Vamp API compatibility level of the plugin.
std::vector< ParameterDescriptor > ParameterList
std::vector< std::string > ProgramList
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
#define _VAMP_SDK_HOSTSPACE_END(h)
Definition: hostguard.h:59
#define _VAMP_SDK_HOSTSPACE_BEGIN(h)
Definition: hostguard.h:56
Definition: FFT.h:43
RealTime represents time values to nanosecond precision with accurate arithmetic and frame-rate conve...