PluginHostAdapter.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 Chris Cannam.
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
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15  modify, merge, publish, distribute, sublicense, and/or sell copies
16  of the Software, and to permit persons to whom the Software is
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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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22  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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27  CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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30  Except as contained in this notice, the names of the Centre for
31  Digital Music; Queen Mary, University of London; and Chris Cannam
32  shall not be used in advertising or otherwise to promote the sale,
33  use or other dealings in this Software without prior written
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35 */
36 
37 #ifndef _VAMP_PLUGIN_HOST_ADAPTER_H_
38 #define _VAMP_PLUGIN_HOST_ADAPTER_H_
39 
40 #include "hostguard.h"
41 #include "Plugin.h"
42 
43 #include <vamp/vamp.h>
44 
45 #include <vector>
46 
47 _VAMP_SDK_HOSTSPACE_BEGIN(PluginHostAdapter.h)
48 
49 namespace Vamp {
50 
68 class PluginHostAdapter : public Plugin
69 {
70 public:
71  PluginHostAdapter(const VampPluginDescriptor *descriptor,
72  float inputSampleRate);
73  virtual ~PluginHostAdapter();
74 
75  static std::vector<std::string> getPluginPath();
76 
77  bool initialise(size_t channels, size_t stepSize, size_t blockSize);
78  void reset();
79 
80  InputDomain getInputDomain() const;
81 
82  unsigned int getVampApiVersion() const;
83  std::string getIdentifier() const;
84  std::string getName() const;
85  std::string getDescription() const;
86  std::string getMaker() const;
87  int getPluginVersion() const;
88  std::string getCopyright() const;
89 
90  ParameterList getParameterDescriptors() const;
91  float getParameter(std::string) const;
92  void setParameter(std::string, float);
93 
94  ProgramList getPrograms() const;
95  std::string getCurrentProgram() const;
96  void selectProgram(std::string);
97 
98  size_t getPreferredStepSize() const;
99  size_t getPreferredBlockSize() const;
100 
101  size_t getMinChannelCount() const;
102  size_t getMaxChannelCount() const;
103 
104  OutputList getOutputDescriptors() const;
105 
106  FeatureSet process(const float *const *inputBuffers, RealTime timestamp);
107 
108  FeatureSet getRemainingFeatures();
109 
110 protected:
111  void convertFeatures(VampFeatureList *, FeatureSet &);
112 
115 };
116 
117 }
118 
120 
121 #endif
122 
123 
std::vector< OutputDescriptor > OutputList
Vamp::Plugin is a base class for plugin instance classes that provide feature extraction from audio o...
#define _VAMP_SDK_HOSTSPACE_BEGIN(h)
Definition: hostguard.h:56
std::map< int, FeatureList > FeatureSet
Definition: FFT.h:43
RealTime represents time values to nanosecond precision with accurate arithmetic and frame-rate conve...
PluginHostAdapter is a wrapper class that a Vamp host can use to make the C-language VampPluginDescri...
std::vector< std::string > ProgramList
void * VampPluginHandle
Definition: vamp.h:246
#define _VAMP_SDK_HOSTSPACE_END(h)
Definition: hostguard.h:59
const VampPluginDescriptor * m_descriptor
std::vector< ParameterDescriptor > ParameterList