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/*
* Copyright (C) 2021 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. AND ITS CONTRIBUTORS ``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 ITS 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(GPU_PROCESS) && ENABLE(MEDIA_STREAM) && PLATFORM(COCOA)
#include "AudioMediaStreamTrackRendererInternalUnitIdentifier.h"
#include "Connection.h"
#include "SharedCARingBuffer.h"
#include <wtf/CompletionHandler.h>
#include <wtf/HashMap.h>
namespace IPC {
class Semaphore;
}
namespace WebCore {
class CAAudioStreamDescription;
}
namespace WebKit {
class GPUConnectionToWebProcess;
class RemoteAudioDestination;
class RemoteAudioMediaStreamTrackRendererInternalUnitManager : private IPC::MessageReceiver {
WTF_MAKE_FAST_ALLOCATED;
WTF_MAKE_NONCOPYABLE(RemoteAudioMediaStreamTrackRendererInternalUnitManager);
public:
explicit RemoteAudioMediaStreamTrackRendererInternalUnitManager(GPUConnectionToWebProcess&);
~RemoteAudioMediaStreamTrackRendererInternalUnitManager();
void didReceiveMessage(IPC::Connection&, IPC::Decoder&);
bool hasUnits() { return !m_units.isEmpty(); }
class Unit;
void notifyLastToCaptureAudioChanged();
private:
// Messages
void createUnit(AudioMediaStreamTrackRendererInternalUnitIdentifier, CompletionHandler<void(std::optional<WebCore::CAAudioStreamDescription>, size_t)>&& callback);
void deleteUnit(AudioMediaStreamTrackRendererInternalUnitIdentifier);
void startUnit(AudioMediaStreamTrackRendererInternalUnitIdentifier, ConsumerSharedCARingBuffer::Handle&&, IPC::Semaphore&&);
void stopUnit(AudioMediaStreamTrackRendererInternalUnitIdentifier);
void setAudioOutputDevice(AudioMediaStreamTrackRendererInternalUnitIdentifier, const String&);
HashMap<AudioMediaStreamTrackRendererInternalUnitIdentifier, UniqueRef<Unit>> m_units;
GPUConnectionToWebProcess& m_gpuConnectionToWebProcess;
};
} // namespace WebKit;
#endif // ENABLE(GPU_PROCESS) && ENABLE(MEDIA_STREAM) && PLATFORM(COCOA)
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