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/*
* Copyright (C) 2011 Ericsson AB. All rights reserved.
* Copyright (C) 2012 Google Inc. All rights reserved.
* Copyright (C) 2013-2016 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.
* 3. Neither the name of Ericsson nor the names of its contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* OWNER OR 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)
#include "ExceptionOr.h"
#include "RealtimeMediaSource.h"
#include "RealtimeMediaSourceSupportedConstraints.h"
#include <wtf/Function.h>
#include <wtf/RefPtr.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class CaptureDevice;
class CaptureDeviceManager;
class RealtimeMediaSourceSettings;
class RealtimeMediaSourceSupportedConstraints;
class TrackSourceInfo;
struct MediaConstraints;
class RealtimeMediaSourceCenter {
public:
virtual ~RealtimeMediaSourceCenter();
WEBCORE_EXPORT static RealtimeMediaSourceCenter& singleton();
static void setSharedStreamCenterOverride(RealtimeMediaSourceCenter*);
using ValidConstraintsHandler = WTF::Function<void(Vector<String>&& audioDeviceUIDs, Vector<String>&& videoDeviceUIDs, String&&)>;
using InvalidConstraintsHandler = WTF::Function<void(const String& invalidConstraint)>;
virtual void validateRequestConstraints(ValidConstraintsHandler&&, InvalidConstraintsHandler&&, const MediaConstraints& audioConstraints, const MediaConstraints& videoConstraints, String&&);
using NewMediaStreamHandler = std::function<void(RefPtr<MediaStreamPrivate>&&)>;
virtual void createMediaStream(NewMediaStreamHandler&&, const String& audioDeviceID, const String& videoDeviceID, const MediaConstraints* audioConstraints, const MediaConstraints* videoConstraints);
WEBCORE_EXPORT virtual Vector<CaptureDevice> getMediaStreamDevices();
const RealtimeMediaSourceSupportedConstraints& supportedConstraints() { return m_supportedConstraints; }
virtual RealtimeMediaSource::AudioCaptureFactory& defaultAudioFactory() = 0;
virtual RealtimeMediaSource::VideoCaptureFactory& defaultVideoFactory() = 0;
virtual CaptureDeviceManager& defaultAudioCaptureDeviceManager() = 0;
virtual CaptureDeviceManager& defaultVideoCaptureDeviceManager() = 0;
WEBCORE_EXPORT void setAudioFactory(RealtimeMediaSource::AudioCaptureFactory&);
WEBCORE_EXPORT void unsetAudioFactory(RealtimeMediaSource::AudioCaptureFactory&);
WEBCORE_EXPORT RealtimeMediaSource::AudioCaptureFactory& audioFactory();
WEBCORE_EXPORT void setVideoFactory(RealtimeMediaSource::VideoCaptureFactory&);
WEBCORE_EXPORT void unsetVideoFactory(RealtimeMediaSource::VideoCaptureFactory&);
WEBCORE_EXPORT RealtimeMediaSource::VideoCaptureFactory& videoFactory();
WEBCORE_EXPORT void setAudioCaptureDeviceManager(CaptureDeviceManager&);
WEBCORE_EXPORT void unsetAudioCaptureDeviceManager(CaptureDeviceManager&);
CaptureDeviceManager& audioCaptureDeviceManager();
WEBCORE_EXPORT void setVideoCaptureDeviceManager(CaptureDeviceManager&);
WEBCORE_EXPORT void unsetVideoCaptureDeviceManager(CaptureDeviceManager&);
CaptureDeviceManager& videoCaptureDeviceManager();
String hashStringWithSalt(const String& id, const String& hashSalt);
WEBCORE_EXPORT std::optional<CaptureDevice> captureDeviceWithUniqueID(const String& id, const String& hashSalt);
WEBCORE_EXPORT ExceptionOr<void> setDeviceEnabled(const String&, bool);
using DevicesChangedObserverToken = unsigned;
DevicesChangedObserverToken addDevicesChangedObserver(std::function<void()>&&);
void removeDevicesChangedObserver(DevicesChangedObserverToken);
void captureDevicesChanged();
void setVideoCapturePageState(bool, bool);
protected:
RealtimeMediaSourceCenter();
static RealtimeMediaSourceCenter& platformCenter();
RealtimeMediaSourceSupportedConstraints m_supportedConstraints;
RealtimeMediaSource::AudioCaptureFactory* m_audioFactory { nullptr };
RealtimeMediaSource::VideoCaptureFactory* m_videoFactory { nullptr };
CaptureDeviceManager* m_audioCaptureDeviceManager { nullptr };
CaptureDeviceManager* m_videoCaptureDeviceManager { nullptr };
};
} // namespace WebCore
#endif // ENABLE(MEDIA_STREAM)
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