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AVAudioSessionCaptureDeviceManager.h
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AVAudioSessionCaptureDeviceManager.h
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/*
* Copyright (C) 2017 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if ENABLE(MEDIA_STREAM) && PLATFORM(IOS_FAMILY)
#include "CaptureDeviceManager.h"
#include <wtf/Lock.h>
#include <wtf/RetainPtr.h>
#include <wtf/WorkQueue.h>
OBJC_CLASS AVAudioSession;
OBJC_CLASS AVAudioSessionPortDescription;
OBJC_CLASS WebAVAudioSessionAvailableInputsListener;
namespace WebCore {
class AVAudioSessionCaptureDevice;
class CaptureDevice;
class AVAudioSessionCaptureDeviceManager final : public CaptureDeviceManager {
friend class NeverDestroyed<AVAudioSessionCaptureDeviceManager>;
public:
static AVAudioSessionCaptureDeviceManager& singleton();
const Vector<CaptureDevice>& captureDevices() final;
void computeCaptureDevices(CompletionHandler<void()>&&) final;
const Vector<CaptureDevice>& speakerDevices() const { return m_speakerDevices; }
std::optional<CaptureDevice> captureDeviceWithPersistentID(CaptureDevice::DeviceType, const String&);
std::optional<AVAudioSessionCaptureDevice> audioSessionDeviceWithUID(const String&);
void scheduleUpdateCaptureDevices();
void enableAllDevicesQuery();
void disableAllDevicesQuery();
void setPreferredAudioSessionDeviceUID(const String&);
String preferredAudioSessionDeviceUID() const { return m_preferredAudioDeviceUID; }
void configurePreferredAudioCaptureDevice();
private:
AVAudioSessionCaptureDeviceManager();
~AVAudioSessionCaptureDeviceManager();
void createAudioSession();
void activateAudioSession();
void refreshAudioCaptureDevices();
Vector<AVAudioSessionCaptureDevice> retrieveAudioSessionCaptureDevices() const;
void setAudioCaptureDevices(Vector<AVAudioSessionCaptureDevice>&&);
bool setPreferredAudioSessionDeviceUIDInternal(const String&);
void notifyNewCurrentMicrophoneDevice(CaptureDevice&&);
enum class AudioSessionState { NotNeeded, Inactive, Active };
std::optional<Vector<CaptureDevice>> m_devices;
Vector<CaptureDevice> m_speakerDevices;
std::optional<Vector<AVAudioSessionCaptureDevice>> m_audioSessionCaptureDevices;
RetainPtr<WebAVAudioSessionAvailableInputsListener> m_listener;
RetainPtr<AVAudioSession> m_audioSession;
Ref<WorkQueue> m_dispatchQueue;
AudioSessionState m_audioSessionState { AudioSessionState::NotNeeded };
String m_preferredAudioDeviceUID;
bool m_recomputeDevices { true };
mutable RetainPtr<AVAudioSessionPortDescription> m_lastDefaultMicrophone;
};
} // namespace WebCore
#endif // ENABLE(MEDIA_STREAM) && PLATFORM(IOS_FAMILY)