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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef SERVICES_VIDEO_CAPTURE_DEVICE_FACTORY_MEDIA_TO_MOJO_ADAPTER_H_ | 5 #ifndef SERVICES_VIDEO_CAPTURE_DEVICE_FACTORY_MEDIA_TO_MOJO_ADAPTER_H_ |
| 6 #define SERVICES_VIDEO_CAPTURE_DEVICE_FACTORY_MEDIA_TO_MOJO_ADAPTER_H_ | 6 #define SERVICES_VIDEO_CAPTURE_DEVICE_FACTORY_MEDIA_TO_MOJO_ADAPTER_H_ |
| 7 | 7 |
| 8 #include <map> | 8 #include <map> |
| 9 | 9 |
| 10 #include "media/capture/video/video_capture_device_client.h" | 10 #include "media/capture/video/video_capture_device_client.h" |
| 11 #include "media/capture/video/video_capture_device_factory.h" | 11 #include "media/capture/video/video_capture_device_factory.h" |
| 12 #include "mojo/public/cpp/bindings/binding.h" | 12 #include "mojo/public/cpp/bindings/binding.h" |
| 13 #include "services/video_capture/public/interfaces/video_capture_device_factory.
mojom.h" | 13 #include "services/video_capture/public/interfaces/device_factory.mojom.h" |
| 14 | 14 |
| 15 namespace video_capture { | 15 namespace video_capture { |
| 16 | 16 |
| 17 class VideoCaptureDeviceProxyImpl; | 17 class DeviceMediaToMojoAdapter; |
| 18 | 18 |
| 19 // Wraps a media::VideoCaptureDeviceFactory and exposes its functionality | 19 // Wraps a media::VideoCaptureDeviceFactory and exposes its functionality |
| 20 // through the mojom::VideoCaptureDeviceFactory interface. | 20 // through the mojom::DeviceFactory interface. |
| 21 // Keeps track of device instances that have been created to ensure that | 21 // Keeps track of device instances that have been created to ensure that |
| 22 // it does not create more than one instance of the same | 22 // it does not create more than one instance of the same |
| 23 // media::VideoCaptureDevice at the same time. | 23 // media::VideoCaptureDevice at the same time. |
| 24 class DeviceFactoryMediaToMojoAdapter | 24 class DeviceFactoryMediaToMojoAdapter : public mojom::DeviceFactory { |
| 25 : public mojom::VideoCaptureDeviceFactory { | |
| 26 public: | 25 public: |
| 27 DeviceFactoryMediaToMojoAdapter( | 26 DeviceFactoryMediaToMojoAdapter( |
| 28 std::unique_ptr<media::VideoCaptureDeviceFactory> device_factory, | 27 std::unique_ptr<media::VideoCaptureDeviceFactory> device_factory, |
| 29 const media::VideoCaptureJpegDecoderFactoryCB& | 28 const media::VideoCaptureJpegDecoderFactoryCB& |
| 30 jpeg_decoder_factory_callback); | 29 jpeg_decoder_factory_callback); |
| 31 ~DeviceFactoryMediaToMojoAdapter() override; | 30 ~DeviceFactoryMediaToMojoAdapter() override; |
| 32 | 31 |
| 33 // mojom::VideoCaptureDeviceFactory: | 32 // mojom::DeviceFactory: |
| 34 void EnumerateDeviceDescriptors( | 33 void EnumerateDeviceDescriptors( |
| 35 const EnumerateDeviceDescriptorsCallback& callback) override; | 34 const EnumerateDeviceDescriptorsCallback& callback) override; |
| 36 void GetSupportedFormats( | 35 void GetSupportedFormats( |
| 37 const std::string& device_id, | 36 const std::string& device_id, |
| 38 const GetSupportedFormatsCallback& callback) override; | 37 const GetSupportedFormatsCallback& callback) override; |
| 39 void CreateDeviceProxy(const std::string& device_id, | 38 void CreateDevice( |
| 40 mojom::VideoCaptureDeviceProxyRequest proxy_request, | 39 const std::string& device_id, |
| 41 const CreateDeviceProxyCallback& callback) override; | 40 mojom::DeviceRequest device_request, |
| 41 const CreateDeviceCallback& callback) override; |
| 42 | 42 |
| 43 private: | 43 private: |
| 44 struct ActiveDeviceEntry { | 44 struct ActiveDeviceEntry { |
| 45 ActiveDeviceEntry(); | 45 ActiveDeviceEntry(); |
| 46 ~ActiveDeviceEntry(); | 46 ~ActiveDeviceEntry(); |
| 47 ActiveDeviceEntry(ActiveDeviceEntry&& other); | 47 ActiveDeviceEntry(ActiveDeviceEntry&& other); |
| 48 ActiveDeviceEntry& operator=(ActiveDeviceEntry&& other); | 48 ActiveDeviceEntry& operator=(ActiveDeviceEntry&& other); |
| 49 | 49 |
| 50 std::unique_ptr<VideoCaptureDeviceProxyImpl> device_proxy; | 50 std::unique_ptr<DeviceMediaToMojoAdapter> device; |
| 51 // TODO(chfremer) Use mojo::Binding<> directly instead of unique_ptr<> when | 51 // TODO(chfremer) Use mojo::Binding<> directly instead of unique_ptr<> when |
| 52 // mojo::Binding<> supports move operators. | 52 // mojo::Binding<> supports move operators. |
| 53 // https://crbug.com/644314 | 53 // https://crbug.com/644314 |
| 54 std::unique_ptr<mojo::Binding<mojom::VideoCaptureDeviceProxy>> binding; | 54 std::unique_ptr<mojo::Binding<mojom::Device>> binding; |
| 55 }; | 55 }; |
| 56 | 56 |
| 57 void OnClientConnectionErrorOrClose(const std::string& device_id); | 57 void OnClientConnectionErrorOrClose(const std::string& device_id); |
| 58 | 58 |
| 59 // Returns false if no descriptor found. | 59 // Returns false if no descriptor found. |
| 60 bool LookupDescriptorFromId(const std::string& device_id, | 60 bool LookupDescriptorFromId(const std::string& device_id, |
| 61 media::VideoCaptureDeviceDescriptor* descriptor); | 61 media::VideoCaptureDeviceDescriptor* descriptor); |
| 62 | 62 |
| 63 const std::unique_ptr<media::VideoCaptureDeviceFactory> device_factory_; | 63 const std::unique_ptr<media::VideoCaptureDeviceFactory> device_factory_; |
| 64 const media::VideoCaptureJpegDecoderFactoryCB jpeg_decoder_factory_callback_; | 64 const media::VideoCaptureJpegDecoderFactoryCB jpeg_decoder_factory_callback_; |
| 65 std::map<std::string, ActiveDeviceEntry> active_devices_by_id_; | 65 std::map<std::string, ActiveDeviceEntry> active_devices_by_id_; |
| 66 }; | 66 }; |
| 67 | 67 |
| 68 } // namespace video_capture | 68 } // namespace video_capture |
| 69 | 69 |
| 70 #endif // SERVICES_VIDEO_CAPTURE_DEVICE_FACTORY_MEDIA_TO_MOJO_ADAPTER_H_ | 70 #endif // SERVICES_VIDEO_CAPTURE_DEVICE_FACTORY_MEDIA_TO_MOJO_ADAPTER_H_ |
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