1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
/*
* 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 "RemoteSampleBufferDisplayLayerManager.h"
#if PLATFORM(COCOA) && ENABLE(GPU_PROCESS) && ENABLE(MEDIA_STREAM)
#include "Decoder.h"
#include "GPUConnectionToWebProcess.h"
#include "GPUProcess.h"
#include "RemoteSampleBufferDisplayLayer.h"
#include "RemoteSampleBufferDisplayLayerManagerMessages.h"
#include "RemoteSampleBufferDisplayLayerMessages.h"
#include <WebCore/IntSize.h>
namespace WebKit {
RemoteSampleBufferDisplayLayerManager::RemoteSampleBufferDisplayLayerManager(GPUConnectionToWebProcess& gpuConnectionToWebProcess)
: m_connectionToWebProcess(gpuConnectionToWebProcess)
, m_connection(gpuConnectionToWebProcess.connection())
, m_queue(gpuConnectionToWebProcess.gpuProcess().videoMediaStreamTrackRendererQueue())
{
}
void RemoteSampleBufferDisplayLayerManager::startListeningForIPC()
{
m_connectionToWebProcess.connection().addWorkQueueMessageReceiver(Messages::RemoteSampleBufferDisplayLayer::messageReceiverName(), m_queue, *this);
m_connectionToWebProcess.connection().addWorkQueueMessageReceiver(Messages::RemoteSampleBufferDisplayLayerManager::messageReceiverName(), m_queue, *this);
}
RemoteSampleBufferDisplayLayerManager::~RemoteSampleBufferDisplayLayerManager() = default;
void RemoteSampleBufferDisplayLayerManager::close()
{
m_connectionToWebProcess.connection().removeWorkQueueMessageReceiver(Messages::RemoteSampleBufferDisplayLayer::messageReceiverName());
m_connectionToWebProcess.connection().removeWorkQueueMessageReceiver(Messages::RemoteSampleBufferDisplayLayerManager::messageReceiverName());
m_queue->dispatch([this, protectedThis = Ref { *this }] {
callOnMainRunLoop([layers = WTFMove(m_layers)] { });
});
}
bool RemoteSampleBufferDisplayLayerManager::dispatchMessage(IPC::Connection& connection, IPC::Decoder& decoder)
{
if (!decoder.destinationID())
return false;
auto identifier = ObjectIdentifier<SampleBufferDisplayLayerIdentifierType>(decoder.destinationID());
if (auto* layer = m_layers.get(identifier))
layer->didReceiveMessage(connection, decoder);
return true;
}
void RemoteSampleBufferDisplayLayerManager::createLayer(SampleBufferDisplayLayerIdentifier identifier, bool hideRootLayer, WebCore::IntSize size, LayerCreationCallback&& callback)
{
callOnMainRunLoop([this, protectedThis = Ref { *this }, identifier, hideRootLayer, size, callback = WTFMove(callback)]() mutable {
auto layer = RemoteSampleBufferDisplayLayer::create(m_connectionToWebProcess, identifier, m_connection.copyRef());
if (!layer) {
callback({ });
return;
}
auto& layerReference = *layer;
layerReference.initialize(hideRootLayer, size, [this, protectedThis = Ref { *this }, callback = WTFMove(callback), identifier, layer = WTFMove(layer)](auto layerId) mutable {
m_queue->dispatch([this, protectedThis = WTFMove(protectedThis), callback = WTFMove(callback), identifier, layer = WTFMove(layer), layerId = WTFMove(layerId)]() mutable {
ASSERT(!m_layers.contains(identifier));
m_layers.add(identifier, WTFMove(layer));
callback(WTFMove(layerId));
});
});
});
}
void RemoteSampleBufferDisplayLayerManager::releaseLayer(SampleBufferDisplayLayerIdentifier identifier)
{
callOnMainRunLoop([this, protectedThis = Ref { *this }, identifier]() mutable {
m_queue->dispatch([this, protectedThis = WTFMove(protectedThis), identifier] {
ASSERT(m_layers.contains(identifier));
callOnMainRunLoop([layer = m_layers.take(identifier)] { });
});
});
}
bool RemoteSampleBufferDisplayLayerManager::allowsExitUnderMemoryPressure() const
{
return m_layers.isEmpty();
}
}
#endif // PLATFORM(COCOA) && ENABLE(GPU_PROCESS) && ENABLE(MEDIA_STREAM)
|
