| /* |
| * 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&); |
| |
| 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) |