Audaspace  1.6.0
A high level audio library.
BinauralReader.h
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2 * Copyright 2015-2016 Juan Francisco Crespo Galán
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
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13 * See the License for the specific language governing permissions and
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16 
17 #pragma once
18 
25 #include "IReader.h"
26 #include "ISound.h"
27 #include "Convolver.h"
28 #include "HRTF.h"
29 #include "Source.h"
30 #include "util/FFTPlan.h"
31 #include "util/ThreadPool.h"
32 
33 #include <memory>
34 #include <vector>
35 #include <future>
36 
38 
43 {
44 private:
48  int m_position;
49 
53  std::shared_ptr<IReader> m_reader;
54 
58  std::shared_ptr<HRTF> m_hrtfs;
59 
63  std::shared_ptr<Source> m_source;
64 
68  float m_Azimuth;
69 
73  float m_Elevation;
74 
78  float m_RealAzimuth;
79 
83  float m_RealElevation;
84 
88  int m_N;
89 
93  int m_M;
94 
98  int m_L;
99 
103  std::vector<std::unique_ptr<Convolver>> m_convolvers;
104 
108  bool m_transition;
109 
113  int m_transPos;
114 
118  sample_t* m_outBuffer;
119 
123  sample_t* m_inBuffer;
124 
128  int m_outBufferPos;
129 
133  int m_outBufLen;
134 
138  int m_eOutBufLen;
139 
143  bool m_eosReader;
144 
148  bool m_eosTail;
149 
153  std::vector<sample_t*> m_vecOut;
154 
158  std::shared_ptr<ThreadPool> m_threadPool;
159 
163  int m_lastLengthIn;
164 
168  std::vector<std::future<int>> m_futures;
169 
170  // delete copy constructor and operator=
171  BinauralReader(const BinauralReader&) = delete;
172  BinauralReader& operator=(const BinauralReader&) = delete;
173 
174 public:
184  BinauralReader(std::shared_ptr<IReader> reader, std::shared_ptr<HRTF> hrtfs, std::shared_ptr<Source> source, std::shared_ptr<ThreadPool> threadPool, std::shared_ptr<FFTPlan> plan);
185  virtual ~BinauralReader();
186 
187  virtual bool isSeekable() const;
188  virtual void seek(int position);
189  virtual int getLength() const;
190  virtual int getPosition() const;
191  virtual Specs getSpecs() const;
192  virtual void read(int& length, bool& eos, sample_t* buffer);
193 
194 private:
202  void joinByChannel(int start, int len, int nConvolvers);
203 
208  void loadBuffer(int nConvolvers);
209 
218  int threadFunction(int id, bool input);
219 
220  bool checkSource();
221 };
222 
virtual int getLength() const =0
Returns an approximated length of the source in samples.
#define AUD_NAMESPACE_BEGIN
Opens the audaspace namespace aud.
Definition: Audaspace.h:116
This class represents a sound source as stream or as buffer which can be read for example by another ...
Definition: IReader.h:34
The ThreadPool class.
virtual void seek(int position)=0
Seeks to a specific position in the source.
This class represents a reader for a sound that can sound different depending on its realtive positio...
Definition: BinauralReader.h:42
The ISound interface.
#define AUD_API
Used for exporting symbols in the shared library.
Definition: Audaspace.h:93
virtual void read(int &length, bool &eos, sample_t *buffer)=0
Request to read the next length samples out of the source.
Specification of a sound source.
Definition: Specification.h:118
The HRTF class.
The Source class.
virtual Specs getSpecs() const =0
Returns the specification of the reader.
The IReader interface.
float sample_t
Sample type.(float samples)
Definition: Audaspace.h:126
#define AUD_NAMESPACE_END
Closes the audaspace namespace aud.
Definition: Audaspace.h:119
virtual int getPosition() const =0
Returns the position of the source as a sample count value.
virtual bool isSeekable() const =0
Tells whether the source provides seeking functionality or not.
The FFTPlan class.
The Convolver class.