83 lines
1.9 KiB
C
83 lines
1.9 KiB
C
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// Licensed under the MIT License.
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#ifndef K4AMICROPHONE_H
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#define K4AMICROPHONE_H
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// System headers
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//
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#include <memory>
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#include <mutex>
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#include <vector>
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// Library headers
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//
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#include "k4asoundio_util.h"
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// Project headers
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//
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namespace k4aviewer
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{
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class K4AMicrophoneListener;
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class K4AMicrophone : public std::enable_shared_from_this<K4AMicrophone>
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{
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public:
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// Returns a libsoundio exit code
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//
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int Start();
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void Stop();
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// SoundIO status code
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//
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int GetStatusCode() const
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{
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return m_statusCode;
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}
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void ClearStatusCode()
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{
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m_statusCode = SoundIoErrorNone;
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}
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bool IsStarted() const
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{
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return m_started;
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}
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std::shared_ptr<K4AMicrophoneListener> CreateListener();
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K4AMicrophone(const K4AMicrophone &) = delete;
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K4AMicrophone(const K4AMicrophone &&) = delete;
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K4AMicrophone &operator=(const K4AMicrophone &) = delete;
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K4AMicrophone &operator=(const K4AMicrophone &&) = delete;
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~K4AMicrophone() = default;
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private:
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friend class K4AAudioManager;
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explicit K4AMicrophone(std::shared_ptr<SoundIoDevice> device);
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void SetFailed(int errorCode);
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// These are callbacks that we give to libsoundio.
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// inStream->userdata is a void* that will point to a K4AMicrophone instance.
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//
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static void ReadCallback(SoundIoInStream *inStream, int frameCountMin, int frameCountMax);
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static void ErrorCallback(SoundIoInStream *inStream, int errorCode);
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static void OverflowCallback(SoundIoInStream *inStream);
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std::mutex m_listenersMutex;
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std::vector<std::weak_ptr<K4AMicrophoneListener>> m_listeners;
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SoundIoInStreamUniquePtr m_inStream = nullptr;
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std::shared_ptr<SoundIoDevice> m_device = nullptr;
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bool m_started = false;
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int m_statusCode = SoundIoErrorNone;
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};
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} // namespace k4aviewer
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#endif
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