PluginInputDomainAdapter.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.
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36 
37 #ifndef _VAMP_PLUGIN_INPUT_DOMAIN_ADAPTER_H_
38 #define _VAMP_PLUGIN_INPUT_DOMAIN_ADAPTER_H_
39 
40 #include "hostguard.h"
41 #include "PluginWrapper.h"
42 
43 _VAMP_SDK_HOSTSPACE_BEGIN(PluginInputDomainAdapter.h)
44 
45 namespace Vamp {
46 
47 namespace HostExt {
48 
88 {
89 public:
97  virtual ~PluginInputDomainAdapter();
98 
99  bool initialise(size_t channels, size_t stepSize, size_t blockSize);
100  void reset();
101 
102  InputDomain getInputDomain() const;
103 
104  size_t getPreferredStepSize() const;
105  size_t getPreferredBlockSize() const;
106 
107  FeatureSet process(const float *const *inputBuffers, RealTime timestamp);
108 
146  NoShift
147  };
148 
157  void setProcessTimestampMethod(ProcessTimestampMethod);
158 
164  ProcessTimestampMethod getProcessTimestampMethod() const;
165 
191  RealTime getTimestampAdjustment() const;
192 
196  enum WindowType {
197 
198  RectangularWindow = 0,
199 
200  BartlettWindow = 1,
201  TriangularWindow = 1,
202 
203  HammingWindow = 2,
204 
205  HanningWindow = 3,
206  HannWindow = 3,
207 
208  BlackmanWindow = 4,
209 
210  NuttallWindow = 7,
211 
212  BlackmanHarrisWindow = 8
213  };
214 
218  WindowType getWindowType() const;
219 
223  void setWindowType(WindowType type);
224 
225 
226 protected:
227  class Impl;
228  Impl *m_impl;
229 };
230 
231 }
232 
233 }
234 
236 
237 #endif
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
PluginInputDomainAdapter is a Vamp plugin adapter that converts time-domain input into frequency-doma...
RealTime represents time values to nanosecond precision with accurate arithmetic and frame-rate conve...
WindowType
The set of supported window shapes.
PluginWrapper is a simple base class for adapter plugins.
Definition: PluginWrapper.h:65
#define _VAMP_SDK_HOSTSPACE_END(h)
Definition: hostguard.h:59
ProcessTimestampMethod
ProcessTimestampMethod determines how the PluginInputDomainAdapter handles timestamps for the data pa...