| /* |
| * 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 PLATFORM(COCOA) && ENABLE(MEDIA_STREAM) |
| |
| #include "MessageReceiver.h" |
| #include "SharedMemory.h" |
| #include "WebProcessSupplement.h" |
| #include <WebCore/CaptureDeviceManager.h> |
| #include <WebCore/RealtimeMediaSource.h> |
| #include <WebCore/RealtimeMediaSourceFactory.h> |
| #include <WebCore/RealtimeMediaSourceIdentifier.h> |
| #include <wtf/HashMap.h> |
| |
| namespace WebCore { |
| class CAAudioStreamDescription; |
| class RemoteVideoSample; |
| } |
| |
| namespace WebKit { |
| |
| class CrossProcessRealtimeAudioSource; |
| class WebProcess; |
| |
| class UserMediaCaptureManager : public WebProcessSupplement, public IPC::MessageReceiver { |
| WTF_MAKE_FAST_ALLOCATED; |
| public: |
| explicit UserMediaCaptureManager(WebProcess&); |
| ~UserMediaCaptureManager(); |
| |
| static const char* supplementName(); |
| |
| void didReceiveMessageFromGPUProcess(IPC::Connection& connection, IPC::Decoder& decoder) { didReceiveMessage(connection, decoder); } |
| void setupCaptureProcesses(bool shouldCaptureAudioInUIProcess, bool shouldCaptureAudioInGPUProcess, bool shouldCaptureVideoInUIProcess, bool shouldCaptureVideoInGPUProcess, bool shouldCaptureDisplayInUIProcess); |
| |
| private: |
| // WebCore::RealtimeMediaSource factories |
| class AudioFactory : public WebCore::AudioCaptureFactory { |
| public: |
| explicit AudioFactory(UserMediaCaptureManager& manager) : m_manager(manager) { } |
| void setShouldCaptureInGPUProcess(bool value) { m_shouldCaptureInGPUProcess = value; } |
| |
| private: |
| WebCore::CaptureSourceOrError createAudioCaptureSource(const WebCore::CaptureDevice&, String&& hashSalt, const WebCore::MediaConstraints*) final; |
| WebCore::CaptureDeviceManager& audioCaptureDeviceManager() final { return m_manager.m_noOpCaptureDeviceManager; } |
| #if PLATFORM(IOS_FAMILY) |
| void setAudioCapturePageState(bool interrupted, bool pageMuted) final; |
| #endif |
| |
| UserMediaCaptureManager& m_manager; |
| bool m_shouldCaptureInGPUProcess { false }; |
| }; |
| class VideoFactory : public WebCore::VideoCaptureFactory { |
| public: |
| explicit VideoFactory(UserMediaCaptureManager& manager) : m_manager(manager) { } |
| void setShouldCaptureInGPUProcess(bool value) { m_shouldCaptureInGPUProcess = value; } |
| |
| private: |
| WebCore::CaptureSourceOrError createVideoCaptureSource(const WebCore::CaptureDevice&, String&& hashSalt, const WebCore::MediaConstraints*) final; |
| WebCore::CaptureDeviceManager& videoCaptureDeviceManager() final { return m_manager.m_noOpCaptureDeviceManager; } |
| #if PLATFORM(IOS_FAMILY) |
| void setVideoCapturePageState(bool interrupted, bool pageMuted) final; |
| #endif |
| |
| UserMediaCaptureManager& m_manager; |
| bool m_shouldCaptureInGPUProcess { false }; |
| }; |
| class DisplayFactory : public WebCore::DisplayCaptureFactory { |
| public: |
| explicit DisplayFactory(UserMediaCaptureManager& manager) : m_manager(manager) { } |
| |
| private: |
| WebCore::CaptureSourceOrError createDisplayCaptureSource(const WebCore::CaptureDevice& device, const WebCore::MediaConstraints* constraints) final { return m_manager.createCaptureSource(device, { }, constraints); } |
| WebCore::CaptureDeviceManager& displayCaptureDeviceManager() final { return m_manager.m_noOpCaptureDeviceManager; } |
| |
| UserMediaCaptureManager& m_manager; |
| }; |
| |
| WebCore::CaptureSourceOrError createCaptureSource(const WebCore::CaptureDevice&, String&&, const WebCore::MediaConstraints*, bool shouldCaptureInGPUProcess = false); |
| |
| class NoOpCaptureDeviceManager : public WebCore::CaptureDeviceManager { |
| public: |
| NoOpCaptureDeviceManager() = default; |
| |
| private: |
| const Vector<WebCore::CaptureDevice>& captureDevices() final |
| { |
| ASSERT_NOT_REACHED(); |
| return m_emptyDevices; |
| } |
| Vector<WebCore::CaptureDevice> m_emptyDevices; |
| }; |
| |
| // IPC::MessageReceiver |
| void didReceiveMessage(IPC::Connection&, IPC::Decoder&) final; |
| |
| // Messages::UserMediaCaptureManager |
| void captureFailed(WebCore::RealtimeMediaSourceIdentifier); |
| void sourceStopped(WebCore::RealtimeMediaSourceIdentifier); |
| void sourceEnded(WebCore::RealtimeMediaSourceIdentifier); |
| void sourceMutedChanged(WebCore::RealtimeMediaSourceIdentifier, bool muted); |
| void sourceSettingsChanged(WebCore::RealtimeMediaSourceIdentifier, const WebCore::RealtimeMediaSourceSettings&); |
| void storageChanged(WebCore::RealtimeMediaSourceIdentifier, const SharedMemory::Handle&, const WebCore::CAAudioStreamDescription&, uint64_t numberOfFrames); |
| void ringBufferFrameBoundsChanged(WebCore::RealtimeMediaSourceIdentifier, uint64_t startFrame, uint64_t endFrame); |
| void audioSamplesAvailable(WebCore::RealtimeMediaSourceIdentifier, MediaTime, uint64_t numberOfFrames, uint64_t startFrame, uint64_t endFrame); |
| void remoteVideoSampleAvailable(WebCore::RealtimeMediaSourceIdentifier, WebCore::RemoteVideoSample&&); |
| void applyConstraintsSucceeded(WebCore::RealtimeMediaSourceIdentifier, const WebCore::RealtimeMediaSourceSettings&); |
| void applyConstraintsFailed(WebCore::RealtimeMediaSourceIdentifier, String&&, String&&); |
| |
| class Source; |
| friend class Source; |
| |
| Ref<WebCore::RealtimeMediaSource> cloneSource(Source&); |
| Ref<WebCore::RealtimeMediaSource> cloneVideoSource(Source&); |
| |
| HashMap<WebCore::RealtimeMediaSourceIdentifier, Ref<Source>> m_sources; |
| WebProcess& m_process; |
| NoOpCaptureDeviceManager m_noOpCaptureDeviceManager; |
| AudioFactory m_audioFactory; |
| VideoFactory m_videoFactory; |
| DisplayFactory m_displayFactory; |
| }; |
| |
| } // namespace WebKit |
| |
| #endif |