UserMediaCaptureManager.h [plain text]
#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 <wtf/HashMap.h>
namespace WebCore {
class CAAudioStreamDescription;
class RemoteVideoSample;
}
namespace WebKit {
class CrossProcessRealtimeAudioSource;
class WebProcess;
class UserMediaCaptureManager : public WebProcessSupplement, public IPC::MessageReceiver, public WebCore::AudioCaptureFactory, public WebCore::VideoCaptureFactory, public WebCore::DisplayCaptureFactory {
public:
explicit UserMediaCaptureManager(WebProcess&);
~UserMediaCaptureManager();
static const char* supplementName();
private:
void initialize(const WebProcessCreationParameters&) final;
WebCore::CaptureSourceOrError createAudioCaptureSource(const WebCore::CaptureDevice& device, String&& hashSalt, const WebCore::MediaConstraints* constraints) final { return createCaptureSource(device, WTFMove(hashSalt), constraints); }
WebCore::CaptureSourceOrError createVideoCaptureSource(const WebCore::CaptureDevice& device, String&& hashSalt, const WebCore::MediaConstraints* constraints) final { return createCaptureSource(device, WTFMove(hashSalt), constraints); }
WebCore::CaptureSourceOrError createDisplayCaptureSource(const WebCore::CaptureDevice& device, const WebCore::MediaConstraints* constraints) final { return createCaptureSource(device, { }, constraints); }
WebCore::CaptureSourceOrError createCaptureSource(const WebCore::CaptureDevice&, String&&, const WebCore::MediaConstraints*);
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;
};
WebCore::CaptureDeviceManager& audioCaptureDeviceManager() final { return m_noOpCaptureDeviceManager; }
WebCore::CaptureDeviceManager& videoCaptureDeviceManager() final { return m_noOpCaptureDeviceManager; }
WebCore::CaptureDeviceManager& displayCaptureDeviceManager() final { return m_noOpCaptureDeviceManager; }
void didReceiveMessage(IPC::Connection&, IPC::Decoder&) final;
void captureFailed(uint64_t id);
void sourceStopped(uint64_t id);
void sourceMutedChanged(uint64_t id, bool muted);
void sourceSettingsChanged(uint64_t id, const WebCore::RealtimeMediaSourceSettings&);
void storageChanged(uint64_t id, const SharedMemory::Handle&, const WebCore::CAAudioStreamDescription&, uint64_t numberOfFrames);
void ringBufferFrameBoundsChanged(uint64_t id, uint64_t startFrame, uint64_t endFrame);
void audioSamplesAvailable(uint64_t id, MediaTime, uint64_t numberOfFrames, uint64_t startFrame, uint64_t endFrame);
void remoteVideoSampleAvailable(uint64_t id, WebCore::RemoteVideoSample&&);
void startProducingData(uint64_t);
void stopProducingData(uint64_t);
WebCore::RealtimeMediaSourceCapabilities capabilities(uint64_t);
void setMuted(uint64_t, bool);
void applyConstraints(uint64_t, const WebCore::MediaConstraints&);
void applyConstraintsSucceeded(uint64_t, const WebCore::RealtimeMediaSourceSettings&);
void applyConstraintsFailed(uint64_t, const String&, const String&);
class Source;
friend class Source;
HashMap<uint64_t, RefPtr<Source>> m_sources;
WebProcess& m_process;
NoOpCaptureDeviceManager m_noOpCaptureDeviceManager;
};
}
#endif