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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. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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#if PLATFORM(COCOA) && ENABLE(GPU_PROCESS) && ENABLE(MEDIA_STREAM)
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#include "MediaRecorderIdentifier.h"
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#include "MessageReceiver.h"
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#include "SharedMemory.h"
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#include <WebCore/CAAudioStreamDescription.h>
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#include <WebCore/MediaRecorderPrivateWriterCocoa.h>
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#include <wtf/MediaTime.h>
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class ImageTransferSessionVT;
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class RemoteVideoSample;
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class GPUConnectionToWebProcess;
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class SharedRingBufferStorage;
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class RemoteMediaRecorder : private IPC::MessageReceiver {
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WTF_MAKE_FAST_ALLOCATED;
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static std::unique_ptr<RemoteMediaRecorder> create(GPUConnectionToWebProcess&, MediaRecorderIdentifier, bool recordAudio, int width, int height);
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~RemoteMediaRecorder();
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void didReceiveMessage(IPC::Connection&, IPC::Decoder&) final;
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RemoteMediaRecorder(GPUConnectionToWebProcess&, MediaRecorderIdentifier, Ref<WebCore::MediaRecorderPrivateWriter>&&, bool recordAudio);
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// IPC::MessageReceiver
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void audioSamplesStorageChanged(const SharedMemory::Handle&, const WebCore::CAAudioStreamDescription&, uint64_t numberOfFrames);
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void audioSamplesAvailable(MediaTime, uint64_t numberOfFrames, uint64_t startFrame, uint64_t endFrame);
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void videoSampleAvailable(WebCore::RemoteVideoSample&&);
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void fetchData(CompletionHandler<void(IPC::DataReference&&, const String& mimeType)>&&);
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SharedRingBufferStorage& storage();
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GPUConnectionToWebProcess& m_gpuConnectionToWebProcess;
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MediaRecorderIdentifier m_identifier;
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Ref<WebCore::MediaRecorderPrivateWriter> m_writer;
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WebCore::CAAudioStreamDescription m_description;
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std::unique_ptr<WebCore::CARingBuffer> m_ringBuffer;
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std::unique_ptr<WebCore::ImageTransferSessionVT> m_imageTransferSession;