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1 // Copyright 2017 The Chromium Authors. All rights reserved. | 1 // Copyright 2017 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 MEDIA_CAPTURE_VIDEO_VIDEO_CAPTURE_SYSTEM_IMPL_H_ | 5 #ifndef MEDIA_CAPTURE_VIDEO_VIDEO_CAPTURE_SYSTEM_IMPL_H_ |
6 #define MEDIA_CAPTURE_VIDEO_VIDEO_CAPTURE_SYSTEM_IMPL_H_ | 6 #define MEDIA_CAPTURE_VIDEO_VIDEO_CAPTURE_SYSTEM_IMPL_H_ |
7 | 7 |
8 #include "media/capture/video/video_capture_system.h" | 8 #include "media/capture/video/video_capture_system.h" |
9 | 9 |
10 namespace media { | 10 namespace media { |
11 | 11 |
12 // Layer on top of VideoCaptureDeviceFactory that translates device descriptors | 12 // Layer on top of VideoCaptureDeviceFactory that translates device descriptors |
13 // to string identifiers and consolidates and caches device descriptors and | 13 // to string identifiers and consolidates and caches device descriptors and |
14 // supported formats into VideoCaptureDeviceInfos. | 14 // supported formats into VideoCaptureDeviceInfos. |
15 class CAPTURE_EXPORT VideoCaptureSystemImpl : public VideoCaptureSystem { | 15 class CAPTURE_EXPORT VideoCaptureSystemImpl : public VideoCaptureSystem { |
16 public: | 16 public: |
17 explicit VideoCaptureSystemImpl( | 17 explicit VideoCaptureSystemImpl( |
18 std::unique_ptr<VideoCaptureDeviceFactory> factory); | 18 std::unique_ptr<VideoCaptureDeviceFactory> factory); |
19 ~VideoCaptureSystemImpl() override; | 19 ~VideoCaptureSystemImpl() override; |
20 | 20 |
21 void GetDeviceInfosAsync(const DeviceInfoCallback& result_callback) override; | 21 void GetDeviceInfosAsync(const DeviceInfoCallback& result_callback) override; |
22 std::unique_ptr<VideoCaptureDevice> CreateDevice( | 22 std::unique_ptr<VideoCaptureDevice> CreateDevice( |
23 const std::string& device_id) override; | 23 const std::string& device_id) override; |
24 | 24 |
25 private: | 25 private: |
26 void OnDescriptorsReceived( | |
27 const DeviceInfoCallback& result_callback, | |
28 std::unique_ptr<VideoCaptureDeviceDescriptors> descriptors); | |
29 | |
30 // Returns nullptr if no descriptor found. | 26 // Returns nullptr if no descriptor found. |
31 const VideoCaptureDeviceInfo* LookupDeviceInfoFromId( | 27 const VideoCaptureDeviceInfo* LookupDeviceInfoFromId( |
32 const std::string& device_id); | 28 const std::string& device_id); |
33 | 29 |
34 const std::unique_ptr<VideoCaptureDeviceFactory> factory_; | 30 const std::unique_ptr<VideoCaptureDeviceFactory> factory_; |
35 std::vector<VideoCaptureDeviceInfo> devices_info_cache_; | 31 std::vector<VideoCaptureDeviceInfo> devices_info_cache_; |
36 | 32 |
37 base::ThreadChecker thread_checker_; | 33 base::ThreadChecker thread_checker_; |
38 }; | 34 }; |
39 | 35 |
40 } // namespace media | 36 } // namespace media |
41 | 37 |
42 #endif // MEDIA_CAPTURE_VIDEO_VIDEO_CAPTURE_SYSTEM_IMPL_H_ | 38 #endif // MEDIA_CAPTURE_VIDEO_VIDEO_CAPTURE_SYSTEM_IMPL_H_ |
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