UserMediaCaptureManager.h [plain text]
#pragma once
#if PLATFORM(COCOA) && ENABLE(MEDIA_STREAM)
#include "RemoteCaptureSampleManager.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 RemoteRealtimeMediaSource;
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);
void addSource(Ref<RemoteRealtimeMediaSource>&&);
void removeSource(WebCore::RealtimeMediaSourceIdentifier);
private:
class AudioFactory : public WebCore::AudioCaptureFactory {
public:
explicit AudioFactory(UserMediaCaptureManager& manager) : m_manager(manager) { }
void setShouldCaptureInGPUProcess(bool);
private:
WebCore::CaptureSourceOrError createAudioCaptureSource(const WebCore::CaptureDevice&, String&& hashSalt, const WebCore::MediaConstraints*) final;
WebCore::CaptureDeviceManager& audioCaptureDeviceManager() final { return m_manager.m_noOpCaptureDeviceManager; }
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 setActiveSource(WebCore::RealtimeMediaSource&) 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&, const WebCore::MediaConstraints*) final;
WebCore::CaptureDeviceManager& displayCaptureDeviceManager() final { return m_manager.m_noOpCaptureDeviceManager; }
UserMediaCaptureManager& m_manager;
};
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;
};
void didReceiveMessage(IPC::Connection&, IPC::Decoder&) final;
void captureFailed(WebCore::RealtimeMediaSourceIdentifier);
void sourceStopped(WebCore::RealtimeMediaSourceIdentifier);
void sourceEnded(WebCore::RealtimeMediaSourceIdentifier identifier) { removeSource(identifier); }
void sourceMutedChanged(WebCore::RealtimeMediaSourceIdentifier, bool muted);
void sourceSettingsChanged(WebCore::RealtimeMediaSourceIdentifier, const WebCore::RealtimeMediaSourceSettings&);
void remoteVideoSampleAvailable(WebCore::RealtimeMediaSourceIdentifier, WebCore::RemoteVideoSample&&);
void applyConstraintsSucceeded(WebCore::RealtimeMediaSourceIdentifier, const WebCore::RealtimeMediaSourceSettings&);
void applyConstraintsFailed(WebCore::RealtimeMediaSourceIdentifier, String&&, String&&);
Ref<WebCore::RealtimeMediaSource> cloneVideoSource(RemoteRealtimeMediaSource&);
HashMap<WebCore::RealtimeMediaSourceIdentifier, Ref<RemoteRealtimeMediaSource>> m_sources;
WebProcess& m_process;
NoOpCaptureDeviceManager m_noOpCaptureDeviceManager;
AudioFactory m_audioFactory;
VideoFactory m_videoFactory;
DisplayFactory m_displayFactory;
RemoteCaptureSampleManager m_remoteCaptureSampleManager;
};
}
#endif