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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 // VideoCaptureDevice is the abstract base class for realizing video capture | 5 // VideoCaptureDevice is the abstract base class for realizing video capture |
6 // device support in Chromium. It provides the interface for OS dependent | 6 // device support in Chromium. It provides the interface for OS dependent |
7 // implementations. | 7 // implementations. |
8 // The class is created and functions are invoked on a thread owned by | 8 // The class is created and functions are invoked on a thread owned by |
9 // VideoCaptureManager. Capturing is done on other threads, depending on the OS | 9 // VideoCaptureManager. Capturing is done on other threads, depending on the OS |
10 // specific implementation. | 10 // specific implementation. |
11 | 11 |
12 #ifndef MEDIA_VIDEO_CAPTURE_VIDEO_CAPTURE_DEVICE_H_ | 12 #ifndef MEDIA_CAPTURE_VIDEO_VIDEO_CAPTURE_DEVICE_H_ |
13 #define MEDIA_VIDEO_CAPTURE_VIDEO_CAPTURE_DEVICE_H_ | 13 #define MEDIA_CAPTURE_VIDEO_VIDEO_CAPTURE_DEVICE_H_ |
14 | 14 |
15 #include <stddef.h> | 15 #include <stddef.h> |
16 #include <stdint.h> | 16 #include <stdint.h> |
17 | 17 |
18 #include <list> | 18 #include <list> |
19 #include <memory> | 19 #include <memory> |
20 #include <string> | 20 #include <string> |
21 | 21 |
22 #include "base/files/file.h" | 22 #include "base/files/file.h" |
23 #include "base/logging.h" | 23 #include "base/logging.h" |
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325 const VideoCaptureParams& params) const; | 325 const VideoCaptureParams& params) const; |
326 | 326 |
327 private: | 327 private: |
328 // Gets the power line frequency from the current system time zone if this is | 328 // Gets the power line frequency from the current system time zone if this is |
329 // defined, otherwise returns 0. | 329 // defined, otherwise returns 0. |
330 PowerLineFrequency GetPowerLineFrequencyForLocation() const; | 330 PowerLineFrequency GetPowerLineFrequencyForLocation() const; |
331 }; | 331 }; |
332 | 332 |
333 } // namespace media | 333 } // namespace media |
334 | 334 |
335 #endif // MEDIA_VIDEO_CAPTURE_VIDEO_CAPTURE_DEVICE_H_ | 335 #endif // MEDIA_CAPTURE_VIDEO_VIDEO_CAPTURE_DEVICE_H_ |
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