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1 // Copyright 2016 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "services/video_capture/video_capture_service.h" | |
6 | |
7 #include "base/message_loop/message_loop.h" | |
8 #include "media/capture/video/fake_video_capture_device_factory.h" | |
9 #include "media/capture/video/video_capture_buffer_pool.h" | |
10 #include "media/capture/video/video_capture_buffer_tracker.h" | |
11 #include "media/capture/video/video_capture_jpeg_decoder.h" | |
12 #include "services/service_manager/public/cpp/interface_registry.h" | |
13 #include "services/video_capture/device_factory_media_to_mojo_adapter.h" | |
14 #include "services/video_capture/mock_device_factory.h" | |
15 | |
16 namespace { | |
17 | |
18 // TODO(chfremer): Replace with an actual decoder factory. | |
19 // https://crbug.com/584797 | |
20 std::unique_ptr<media::VideoCaptureJpegDecoder> CreateJpegDecoder() { | |
21 return nullptr; | |
22 } | |
23 | |
24 } // anonymous namespace | |
25 | |
26 namespace video_capture { | |
27 | |
28 VideoCaptureService::VideoCaptureService() : mock_device_factory_(nullptr) {} | |
29 | |
30 VideoCaptureService::~VideoCaptureService() = default; | |
31 | |
32 bool VideoCaptureService::OnConnect( | |
33 const service_manager::ServiceInfo& remote_info, | |
34 service_manager::InterfaceRegistry* registry) { | |
35 registry->AddInterface<mojom::VideoCaptureService>(this); | |
36 return true; | |
37 } | |
38 | |
39 void VideoCaptureService::Create( | |
40 const service_manager::Identity& remote_identity, | |
41 mojom::VideoCaptureServiceRequest request) { | |
42 service_bindings_.AddBinding(this, std::move(request)); | |
43 } | |
44 | |
45 void VideoCaptureService::ConnectToDeviceFactory( | |
46 mojom::VideoCaptureDeviceFactoryRequest request) { | |
47 LazyInitializeDeviceFactory(); | |
48 factory_bindings_.AddBinding(device_factory_.get(), std::move(request)); | |
49 } | |
50 | |
51 void VideoCaptureService::ConnectToFakeDeviceFactory( | |
52 mojom::VideoCaptureDeviceFactoryRequest request) { | |
53 LazyInitializeFakeDeviceFactory(); | |
54 fake_factory_bindings_.AddBinding(fake_device_factory_.get(), | |
55 std::move(request)); | |
56 } | |
57 | |
58 void VideoCaptureService::ConnectToMockDeviceFactory( | |
59 mojom::VideoCaptureDeviceFactoryRequest request) { | |
60 LazyInitializeMockDeviceFactory(); | |
61 mock_factory_bindings_.AddBinding(mock_device_factory_adapter_.get(), | |
62 std::move(request)); | |
63 } | |
64 | |
65 void VideoCaptureService::AddDeviceToMockFactory( | |
66 mojom::MockVideoCaptureDevicePtr device, | |
67 const media::VideoCaptureDeviceDescriptor& descriptor, | |
68 const AddDeviceToMockFactoryCallback& callback) { | |
69 LazyInitializeMockDeviceFactory(); | |
70 mock_device_factory_->AddMockDevice(std::move(device), std::move(descriptor)); | |
71 callback.Run(); | |
72 } | |
73 | |
74 void VideoCaptureService::LazyInitializeDeviceFactory() { | |
75 if (device_factory_) | |
76 return; | |
77 | |
78 // Create the platform-specific device factory. | |
79 // Task runner does not seem to actually be used. | |
80 std::unique_ptr<media::VideoCaptureDeviceFactory> media_device_factory = | |
81 media::VideoCaptureDeviceFactory::CreateFactory( | |
82 base::MessageLoop::current()->task_runner()); | |
83 | |
84 device_factory_ = base::MakeUnique<DeviceFactoryMediaToMojoAdapter>( | |
85 std::move(media_device_factory), base::Bind(CreateJpegDecoder)); | |
86 } | |
87 | |
88 void VideoCaptureService::LazyInitializeFakeDeviceFactory() { | |
89 if (fake_device_factory_) | |
90 return; | |
91 | |
92 fake_device_factory_ = base::MakeUnique<DeviceFactoryMediaToMojoAdapter>( | |
93 base::MakeUnique<media::FakeVideoCaptureDeviceFactory>(), | |
94 base::Bind(&CreateJpegDecoder)); | |
95 } | |
96 | |
97 void VideoCaptureService::LazyInitializeMockDeviceFactory() { | |
98 if (mock_device_factory_) | |
99 return; | |
100 | |
101 auto mock_device_factory = base::MakeUnique<MockDeviceFactory>(); | |
102 // We keep a pointer to the MockDeviceFactory as a member so that we can | |
103 // invoke its AddMockDevice(). Ownership of the MockDeviceFactory is moved | |
104 // to the DeviceFactoryMediaToMojoAdapter. | |
105 mock_device_factory_ = mock_device_factory.get(); | |
106 mock_device_factory_adapter_ = | |
107 base::MakeUnique<DeviceFactoryMediaToMojoAdapter>( | |
108 std::move(mock_device_factory), base::Bind(&CreateJpegDecoder)); | |
109 } | |
110 | |
111 } // namespace video_capture | |
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