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/*
* Copyright (C) 2019-2020 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.
*/
#include "config.h"
#include "RemoteAudioSourceProviderProxy.h"
#if ENABLE(GPU_PROCESS) && ENABLE(WEB_AUDIO) && PLATFORM(COCOA)
#include "RemoteAudioSourceProviderManagerMessages.h"
#include <WebCore/AudioSourceProviderAVFObjC.h>
namespace WebKit {
Ref<RemoteAudioSourceProviderProxy> RemoteAudioSourceProviderProxy::create(WebCore::MediaPlayerIdentifier identifier, Ref<IPC::Connection>&& connection, WebCore::AudioSourceProviderAVFObjC& localProvider)
{
auto remoteProvider = adoptRef(*new RemoteAudioSourceProviderProxy(identifier, WTFMove(connection)));
localProvider.setConfigureAudioStorageCallback([remoteProvider](auto&&... args) {
return remoteProvider->configureAudioStorage(args...);
});
localProvider.setAudioCallback([remoteProvider](auto startFrame, auto numberOfFrames) {
remoteProvider->newAudioSamples(startFrame, numberOfFrames);
});
return remoteProvider;
}
RemoteAudioSourceProviderProxy::RemoteAudioSourceProviderProxy(WebCore::MediaPlayerIdentifier identifier, Ref<IPC::Connection>&& connection)
: m_identifier(identifier)
, m_connection(WTFMove(connection))
{
}
RemoteAudioSourceProviderProxy::~RemoteAudioSourceProviderProxy() = default;
std::unique_ptr<WebCore::CARingBuffer> RemoteAudioSourceProviderProxy::configureAudioStorage(const WebCore::CAAudioStreamDescription& format, size_t frameCount)
{
auto result = ProducerSharedCARingBuffer::allocate(format, frameCount);
RELEASE_ASSERT(result); // FIXME(https://bugs.webkit.org/show_bug.cgi?id=262690): Handle allocation failure.
auto [ringBuffer, handle] = WTFMove(*result);
protectedConnection()->send(Messages::RemoteAudioSourceProviderManager::AudioStorageChanged { m_identifier, WTFMove(handle), format }, 0);
// Use a redundant variable to avoid move in return position and to obtain copy elision. Clang or libc++ does not allow returning covariant of Ts from std::unique_ptr<T>s in this position.
std::unique_ptr<WebCore::CARingBuffer> caRingBuffer = WTFMove(ringBuffer); // NOLINT: see above.
return caRingBuffer;
}
void RemoteAudioSourceProviderProxy::newAudioSamples(uint64_t startFrame, uint64_t numberOfFrames)
{
protectedConnection()->send(Messages::RemoteAudioSourceProviderManager::AudioSamplesAvailable { m_identifier, startFrame, numberOfFrames }, 0);
}
} // namespace WebKit
#endif // ENABLE(GPU_PROCESS) && ENABLE(WEB_AUDIO) && PLATFORM(COCOA)
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