/* * 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. 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 PLATFORM(COCOA) && ENABLE(GPU_PROCESS) && ENABLE(MEDIA_STREAM) #include "MessageReceiver.h" #include "SharedMemory.h" #include <WebCore/CAAudioStreamDescription.h> #include <wtf/MediaTime.h> namespace WebCore { class AudioMediaStreamTrackRenderer; class CARingBuffer; } namespace WebKit { class GPUConnectionToWebProcess; class SharedRingBufferStorage; class RemoteAudioMediaStreamTrackRenderer final : private IPC::MessageReceiver { WTF_MAKE_FAST_ALLOCATED; public: RemoteAudioMediaStreamTrackRenderer(); ~RemoteAudioMediaStreamTrackRenderer(); void didReceiveMessage(IPC::Connection&, IPC::Decoder&) final; private: // IPC::MessageReceiver void start(); void stop(); void clear(); void setVolume(float); void audioSamplesStorageChanged(const SharedMemory::IPCHandle&, const WebCore::CAAudioStreamDescription&, uint64_t numberOfFrames); void audioSamplesAvailable(MediaTime, uint64_t numberOfFrames, uint64_t startFrame, uint64_t endFrame); SharedRingBufferStorage& storage(); std::unique_ptr<WebCore::AudioMediaStreamTrackRenderer> m_renderer; WebCore::CAAudioStreamDescription m_description; std::unique_ptr<WebCore::CARingBuffer> m_ringBuffer; }; } #endif // PLATFORM(COCOA) && ENABLE(GPU_PROCESS) && ENABLE(MEDIA_STREAM)