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/*
* Copyright (C) 2020-2023 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 PLATFORM(COCOA) && ENABLE(GPU_PROCESS) && ENABLE(MEDIA_STREAM)
#include "GPUProcessConnection.h"
#include "MessageReceiver.h"
#include "SampleBufferDisplayLayerIdentifier.h"
#include "SharedVideoFrame.h"
#include <WebCore/SampleBufferDisplayLayer.h>
#include <wtf/Identified.h>
#include <wtf/WeakPtr.h>
namespace WebCore {
enum class VideoFrameRotation : uint16_t;
}
namespace WebKit {
class SampleBufferDisplayLayerManager;
class SampleBufferDisplayLayer final : public WebCore::SampleBufferDisplayLayer, public IPC::MessageReceiver, public GPUProcessConnection::Client, public Identified<SampleBufferDisplayLayerIdentifier> {
public:
static Ref<SampleBufferDisplayLayer> create(SampleBufferDisplayLayerManager&, WebCore::SampleBufferDisplayLayerClient&);
~SampleBufferDisplayLayer();
void didReceiveMessage(IPC::Connection&, IPC::Decoder&) final;
WebCore::LayerHostingContextID hostingContextID() const final { return m_hostingContextID.value_or(0); }
WTF_ABSTRACT_THREAD_SAFE_REF_COUNTED_AND_CAN_MAKE_WEAK_PTR_IMPL;
private:
SampleBufferDisplayLayer(SampleBufferDisplayLayerManager&, WebCore::SampleBufferDisplayLayerClient&);
// WebCore::SampleBufferDisplayLayer
void initialize(bool hideRootLayer, WebCore::IntSize, bool shouldMaintainAspectRatio, CompletionHandler<void(bool)>&&) final;
#if !RELEASE_LOG_DISABLED
void setLogIdentifier(uint64_t) final;
#endif
bool didFail() const final;
void updateDisplayMode(bool hideDisplayLayer, bool hideRootLayer) final;
void updateBoundsAndPosition(CGRect, std::optional<WTF::MachSendRight>&&) final;
void flush() final;
void flushAndRemoveImage() final;
void play() final;
void pause() final;
void enqueueBlackFrameFrom(const WebCore::VideoFrame&) final;
void enqueueVideoFrame(WebCore::VideoFrame&) final;
void clearVideoFrames() final;
PlatformLayer* rootLayer() final;
void setShouldMaintainAspectRatio(bool) final;
// GPUProcessConnection::Client
void gpuProcessConnectionDidClose(GPUProcessConnection&) final;
void setDidFail(bool);
ThreadSafeWeakPtr<GPUProcessConnection> m_gpuProcessConnection;
WeakPtr<SampleBufferDisplayLayerManager> m_manager;
Ref<IPC::Connection> m_connection;
PlatformLayerContainer m_videoLayer;
bool m_didFail { false };
bool m_paused { false };
SharedVideoFrameWriter m_sharedVideoFrameWriter;
std::optional<WebCore::LayerHostingContextID> m_hostingContextID;
};
}
#endif // PLATFORM(COCOA) && ENABLE(GPU_PROCESS) && ENABLE(MEDIA_STREAM)
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