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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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