| /* |
| * 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. |
| */ |
| |
| #include "config.h" |
| #include "SampleBufferDisplayLayer.h" |
| |
| #if PLATFORM(COCOA) && ENABLE(GPU_PROCESS) && ENABLE(MEDIA_STREAM) |
| |
| #include "GPUProcessConnection.h" |
| #include "LayerHostingContext.h" |
| #include "Logging.h" |
| #include "RemoteSampleBufferDisplayLayerManagerMessages.h" |
| #include "RemoteSampleBufferDisplayLayerManagerMessagesReplies.h" |
| #include "RemoteSampleBufferDisplayLayerMessages.h" |
| #include "SampleBufferDisplayLayerManager.h" |
| #include "WebCoreArgumentCoders.h" |
| #include "WebProcess.h" |
| #include <WebCore/RemoteVideoSample.h> |
| |
| namespace WebKit { |
| using namespace WebCore; |
| |
| std::unique_ptr<SampleBufferDisplayLayer> SampleBufferDisplayLayer::create(SampleBufferDisplayLayerManager& manager, WebCore::SampleBufferDisplayLayer::Client& client) |
| { |
| return std::unique_ptr<SampleBufferDisplayLayer>(new SampleBufferDisplayLayer(manager, client)); |
| } |
| |
| SampleBufferDisplayLayer::SampleBufferDisplayLayer(SampleBufferDisplayLayerManager& manager, WebCore::SampleBufferDisplayLayer::Client& client) |
| : WebCore::SampleBufferDisplayLayer(client) |
| , m_manager(manager) |
| , m_connection(WebProcess::singleton().ensureGPUProcessConnection().connection()) |
| , m_identifier(SampleBufferDisplayLayerIdentifier::generate()) |
| { |
| manager.addLayer(*this); |
| WebProcess::singleton().ensureGPUProcessConnection().addClient(*this); |
| } |
| |
| void SampleBufferDisplayLayer::initialize(bool hideRootLayer, IntSize size, CompletionHandler<void(bool)>&& callback) |
| { |
| m_connection->sendWithAsyncReply(Messages::RemoteSampleBufferDisplayLayerManager::CreateLayer { m_identifier, hideRootLayer, size }, [this, weakThis = WeakPtr { *this }, callback = WTFMove(callback)](auto contextId) mutable { |
| if (!weakThis) |
| return callback(false); |
| if (contextId) |
| m_videoLayer = LayerHostingContext::createPlatformLayerForHostingContext(*contextId); |
| callback(!!m_videoLayer); |
| }); |
| } |
| |
| #if !RELEASE_LOG_DISABLED |
| void SampleBufferDisplayLayer::setLogIdentifier(String&& logIdentifier) |
| { |
| ASSERT(m_videoLayer); |
| m_connection->send(Messages::RemoteSampleBufferDisplayLayer::SetLogIdentifier { logIdentifier }, m_identifier); |
| } |
| #endif |
| |
| SampleBufferDisplayLayer::~SampleBufferDisplayLayer() |
| { |
| WebProcess::singleton().ensureGPUProcessConnection().removeClient(*this); |
| m_connection->send(Messages::RemoteSampleBufferDisplayLayerManager::ReleaseLayer { m_identifier }, 0); |
| if (m_manager) |
| m_manager->removeLayer(*this); |
| } |
| |
| bool SampleBufferDisplayLayer::didFail() const |
| { |
| return m_didFail; |
| } |
| |
| void SampleBufferDisplayLayer::updateDisplayMode(bool hideDisplayLayer, bool hideRootLayer) |
| { |
| m_connection->send(Messages::RemoteSampleBufferDisplayLayer::UpdateDisplayMode { hideDisplayLayer, hideRootLayer }, m_identifier); |
| } |
| |
| void SampleBufferDisplayLayer::updateAffineTransform(CGAffineTransform transform) |
| { |
| m_connection->send(Messages::RemoteSampleBufferDisplayLayer::UpdateAffineTransform { transform }, m_identifier); |
| } |
| |
| void SampleBufferDisplayLayer::updateBoundsAndPosition(CGRect bounds, MediaSample::VideoRotation rotation) |
| { |
| m_connection->send(Messages::RemoteSampleBufferDisplayLayer::UpdateBoundsAndPosition { bounds, rotation }, m_identifier); |
| } |
| |
| void SampleBufferDisplayLayer::flush() |
| { |
| m_connection->send(Messages::RemoteSampleBufferDisplayLayer::Flush { }, m_identifier); |
| } |
| |
| void SampleBufferDisplayLayer::flushAndRemoveImage() |
| { |
| m_connection->send(Messages::RemoteSampleBufferDisplayLayer::FlushAndRemoveImage { }, m_identifier); |
| } |
| |
| void SampleBufferDisplayLayer::play() |
| { |
| m_paused = false; |
| m_connection->send(Messages::RemoteSampleBufferDisplayLayer::Play { }, m_identifier); |
| } |
| |
| void SampleBufferDisplayLayer::pause() |
| { |
| m_paused = true; |
| m_connection->send(Messages::RemoteSampleBufferDisplayLayer::Pause { }, m_identifier); |
| } |
| |
| void SampleBufferDisplayLayer::enqueueSample(MediaSample& sample) |
| { |
| if (m_paused) |
| return; |
| if (auto remoteSample = RemoteVideoSample::create(sample)) |
| m_connection->send(Messages::RemoteSampleBufferDisplayLayer::EnqueueSample { *remoteSample }, m_identifier); |
| } |
| |
| void SampleBufferDisplayLayer::clearEnqueuedSamples() |
| { |
| m_connection->send(Messages::RemoteSampleBufferDisplayLayer::ClearEnqueuedSamples { }, m_identifier); |
| } |
| |
| PlatformLayer* SampleBufferDisplayLayer::rootLayer() |
| { |
| return m_videoLayer.get(); |
| } |
| |
| void SampleBufferDisplayLayer::setDidFail(bool value) |
| { |
| m_didFail = value; |
| if (m_client && m_didFail) |
| m_client->sampleBufferDisplayLayerStatusDidFail(); |
| } |
| |
| void SampleBufferDisplayLayer::gpuProcessConnectionDidClose(GPUProcessConnection&) |
| { |
| m_didFail = true; |
| if (m_client) |
| m_client->sampleBufferDisplayLayerStatusDidFail(); |
| } |
| |
| } |
| |
| #endif |