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* Copyright (C) 2020 Apple Inc. All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#if PLATFORM(COCOA) && ENABLE(GPU_PROCESS) && ENABLE(VIDEO_TRACK) && ENABLE(MEDIA_STREAM)
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#include "LayerHostingContext.h"
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#include "MessageReceiver.h"
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#include "MessageSender.h"
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#include "SampleBufferDisplayLayerIdentifier.h"
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#include <WebCore/SampleBufferDisplayLayer.h>
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class ImageTransferSessionVT;
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class LocalSampleBufferDisplayLayer;
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class RemoteVideoSample;
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class RemoteSampleBufferDisplayLayer : public WebCore::SampleBufferDisplayLayer::Client, public IPC::MessageReceiver, private IPC::MessageSender {
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WTF_MAKE_FAST_ALLOCATED;
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static std::unique_ptr<RemoteSampleBufferDisplayLayer> create(SampleBufferDisplayLayerIdentifier, Ref<IPC::Connection>&&, bool hideRootLayer, WebCore::IntSize);
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~RemoteSampleBufferDisplayLayer();
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// IPC::MessageReceiver
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void didReceiveMessage(IPC::Connection&, IPC::Decoder&) final;
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Optional<LayerHostingContextID> contextID();
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CGRect bounds() const;
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RemoteSampleBufferDisplayLayer(SampleBufferDisplayLayerIdentifier, Ref<IPC::Connection>&&, bool hideRootLayer, WebCore::IntSize);
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void updateDisplayMode(bool hideDisplayLayer, bool hideRootLayer);
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void updateAffineTransform(CGAffineTransform);
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void updateBoundsAndPosition(CGRect, CGPoint);
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void flushAndRemoveImage();
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void enqueueSample(WebCore::RemoteVideoSample&&);
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void clearEnqueuedSamples();
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IPC::Connection* messageSenderConnection() const final;
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uint64_t messageSenderDestinationID() const final { return m_identifier.toUInt64(); }
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// WebCore::SampleBufferDisplayLayer::Client
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void sampleBufferDisplayLayerStatusDidChange(WebCore::SampleBufferDisplayLayer&) final;
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WTF::MediaTime streamTime() const final;
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SampleBufferDisplayLayerIdentifier m_identifier;
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Ref<IPC::Connection> m_connection;
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std::unique_ptr<WebCore::ImageTransferSessionVT> m_imageTransferSession;
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std::unique_ptr<WebCore::LocalSampleBufferDisplayLayer> m_sampleBufferDisplayLayer;
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std::unique_ptr<LayerHostingContext> m_layerHostingContext;
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WTF::MediaTime m_mediaTime;
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#endif // PLATFORM(COCOA) && ENABLE(GPU_PROCESS) && ENABLE(VIDEO_TRACK) && ENABLE(MEDIA_STREAM)