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/*
* Copyright (C) 2020 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)
#include "Connection.h"
#include "SharedCARingBuffer.h"
#include "SharedMemory.h"
#include "WebProcess.h"
#include "WorkQueueMessageReceiver.h"
#include <WebCore/CAAudioStreamDescription.h>
#include <WebCore/MediaPlayerIdentifier.h>
#include <WebCore/WebAudioBufferList.h>
namespace WebKit {
class RemoteAudioSourceProvider;
class RemoteAudioSourceProviderManager : public IPC::WorkQueueMessageReceiver {
public:
static Ref<RemoteAudioSourceProviderManager> create() { return adoptRef(*new RemoteAudioSourceProviderManager()); }
~RemoteAudioSourceProviderManager();
void stopListeningForIPC();
void addProvider(Ref<RemoteAudioSourceProvider>&&);
void removeProvider(WebCore::MediaPlayerIdentifier);
void didReceiveMessage(IPC::Connection&, IPC::Decoder&);
private:
RemoteAudioSourceProviderManager();
// Messages
void audioStorageChanged(WebCore::MediaPlayerIdentifier, ConsumerSharedCARingBuffer::Handle&&, const WebCore::CAAudioStreamDescription&);
void audioSamplesAvailable(WebCore::MediaPlayerIdentifier, uint64_t startFrame, uint64_t numberOfFrames);
void setConnection(IPC::Connection*);
class RemoteAudio {
WTF_MAKE_FAST_ALLOCATED;
public:
explicit RemoteAudio(Ref<RemoteAudioSourceProvider>&&);
void setStorage(ConsumerSharedCARingBuffer::Handle&&, const WebCore::CAAudioStreamDescription&);
void audioSamplesAvailable(uint64_t startFrame, uint64_t numberOfFrames);
private:
Ref<RemoteAudioSourceProvider> m_provider;
std::optional<WebCore::CAAudioStreamDescription> m_description;
std::unique_ptr<ConsumerSharedCARingBuffer> m_ringBuffer;
std::unique_ptr<WebCore::WebAudioBufferList> m_buffer;
};
Ref<WorkQueue> m_queue;
RefPtr<IPC::Connection> m_connection;
// background thread member
HashMap<WebCore::MediaPlayerIdentifier, std::unique_ptr<RemoteAudio>> m_providers;
};
} // namespace WebKit
#endif // PLATFORM(COCOA) && ENABLE(GPU_PROCESS)
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