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/*
* Copyright (C) 2019 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. ``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
* 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 "RealtimeVideoCaptureSource.h"
namespace WebCore {
class ImageTransferSessionVT;
class RealtimeVideoSource final
: public RealtimeMediaSource
, public RealtimeMediaSource::Observer
, public RealtimeMediaSource::VideoFrameObserver {
public:
static Ref<RealtimeVideoSource> create(Ref<RealtimeVideoCaptureSource>&& source, bool shouldUseIOSurface = true) { return adoptRef(*new RealtimeVideoSource(WTFMove(source), shouldUseIOSurface)); }
Vector<VideoPresetData> presetsData() { return m_source->presetsData(); }
private:
WEBCORE_EXPORT RealtimeVideoSource(Ref<RealtimeVideoCaptureSource>&&, bool shouldUseIOSurface);
~RealtimeVideoSource();
// RealtimeMediaSource
void startProducingData() final;
void stopProducingData() final;
bool supportsSizeAndFrameRate(std::optional<int> width, std::optional<int> height, std::optional<double> frameRate) final;
void setSizeAndFrameRate(std::optional<int> width, std::optional<int> height, std::optional<double> frameRate) final;
Ref<RealtimeMediaSource> clone() final;
void endProducingData() final;
void stopBeingObserved() final;
const RealtimeMediaSourceCapabilities& capabilities() final { return m_source->capabilities(); }
const RealtimeMediaSourceSettings& settings() final { return m_currentSettings; }
bool isCaptureSource() const final { return m_source->isCaptureSource(); }
CaptureDevice::DeviceType deviceType() const final { return m_source->deviceType(); }
void monitorOrientation(OrientationNotifier& notifier) final { m_source->monitorOrientation(notifier); }
bool interrupted() const final { return m_source->interrupted(); }
bool isSameAs(RealtimeMediaSource& source) const final { return this == &source || m_source.ptr() == &source; }
void whenReady(CompletionHandler<void(String)>&&) final;
bool isVideoSource() const final { return true; }
// RealtimeMediaSource::Observer
void sourceMutedChanged() final;
void sourceSettingsChanged() final;
void sourceStopped() final;
bool preventSourceFromStopping() final;
// RealtimeMediaSource::VideoFrameObserver
void videoFrameAvailable(VideoFrame&, VideoFrameTimeMetadata) final;
RefPtr<VideoFrame> adaptVideoFrame(VideoFrame&);
#if !RELEASE_LOG_DISABLED
void setLogger(const Logger&, const void*) final;
#endif
Ref<RealtimeVideoCaptureSource> m_source;
RealtimeMediaSourceSettings m_currentSettings;
#if PLATFORM(COCOA)
std::unique_ptr<ImageTransferSessionVT> m_imageTransferSession;
bool m_shouldUseIOSurface { true };
#endif
size_t m_frameDecimation { 1 };
size_t m_frameDecimationCounter { 0 };
#if !RELEASE_LOG_DISABLED
uint64_t m_cloneCounter { 0 };
#endif
};
} // namespace WebCore
#endif // ENABLE(MEDIA_STREAM)
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