AlexaClientSDK  1.25.0
A cross-platform, modular SDK for interacting with the Alexa Voice Service
AndroidSLESBufferQueue.h
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15 #ifndef ALEXA_CLIENT_SDK_APPLICATIONUTILITIES_ANDROIDUTILITIES_INCLUDE_ANDROIDUTILITIES_ANDROIDSLESBUFFERQUEUE_H_
16 #define ALEXA_CLIENT_SDK_APPLICATIONUTILITIES_ANDROIDUTILITIES_INCLUDE_ANDROIDUTILITIES_ANDROIDSLESBUFFERQUEUE_H_
17 
18 #include <array>
19 #include <vector>
20 
21 #include <SLES/OpenSLES_Android.h>
22 
25 
26 namespace alexaClientSDK {
27 namespace applicationUtilities {
28 namespace androidUtilities {
29 
42 public:
50  static std::unique_ptr<AndroidSLESBufferQueue> create(
51  std::shared_ptr<AndroidSLESObject> queueObject,
52  std::shared_ptr<avsCommon::avs::AudioInputStream::Writer> writer);
53 
58  void onBufferCompleted();
59 
65  bool enqueueBuffers();
66 
72  bool clearBuffers();
73 
78 
80  static constexpr uint32_t NUMBER_OF_BUFFERS{2u};
81 
82 private:
91  std::shared_ptr<AndroidSLESObject> slObject,
92  SLAndroidSimpleBufferQueueItf bufferQueue,
93  std::shared_ptr<avsCommon::avs::AudioInputStream::Writer> writer);
94 
96  bool enqueueBufferLocked();
97 
99  static constexpr size_t BUFFER_SIZE{8192u};
100 
102  std::mutex m_mutex;
103 
106  std::shared_ptr<AndroidSLESObject> m_slObject;
107 
109  SLAndroidSimpleBufferQueueItf m_queueInterface;
110 
113  std::array<std::array<int16_t, BUFFER_SIZE>, NUMBER_OF_BUFFERS> m_buffers;
114 
116  std::shared_ptr<avsCommon::avs::AudioInputStream::Writer> m_writer;
117 
119  std::size_t m_index;
120 };
121 
122 } // namespace androidUtilities
123 } // namespace applicationUtilities
124 } // namespace alexaClientSDK
125 
126 #endif // ALEXA_CLIENT_SDK_APPLICATIONUTILITIES_ANDROIDUTILITIES_INCLUDE_ANDROIDUTILITIES_ANDROIDSLESBUFFERQUEUE_H_
static std::unique_ptr< AndroidSLESBufferQueue > create(std::shared_ptr< AndroidSLESObject > queueObject, std::shared_ptr< avsCommon::avs::AudioInputStream::Writer > writer)
Definition: AndroidSLESBufferQueue.cpp:54
static constexpr uint32_t NUMBER_OF_BUFFERS
The number of buffers to use.
Definition: AndroidSLESBufferQueue.h:80
void onBufferCompleted()
Definition: AndroidSLESBufferQueue.cpp:43
Whether or not curl logs should be emitted.
Definition: AVSConnectionManager.h:36

AlexaClientSDK 1.25.0 - Copyright 2016-2021 Amazon.com, Inc. or its affiliates. All Rights Reserved. Licensed under the Apache License, Version 2.0