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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 // Windows specific implementation of VideoCaptureDevice. DirectShow is used for | 5 // Windows specific implementation of VideoCaptureDevice. DirectShow is used for |
| 6 // capturing. DirectShow provide its own threads for capturing. | 6 // capturing. DirectShow provide its own threads for capturing. |
| 7 | 7 |
| 8 #ifndef MEDIA_VIDEO_CAPTURE_WIN_VIDEO_CAPTURE_DEVICE_WIN_H_ | 8 #ifndef MEDIA_VIDEO_CAPTURE_WIN_VIDEO_CAPTURE_DEVICE_WIN_H_ |
| 9 #define MEDIA_VIDEO_CAPTURE_WIN_VIDEO_CAPTURE_DEVICE_WIN_H_ | 9 #define MEDIA_VIDEO_CAPTURE_WIN_VIDEO_CAPTURE_DEVICE_WIN_H_ |
| 10 | 10 |
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| 74 | 74 |
| 75 private: | 75 private: |
| 76 enum InternalState { | 76 enum InternalState { |
| 77 kIdle, // The device driver is opened but camera is not in use. | 77 kIdle, // The device driver is opened but camera is not in use. |
| 78 kCapturing, // Video is being captured. | 78 kCapturing, // Video is being captured. |
| 79 kError // Error accessing HW functions. | 79 kError // Error accessing HW functions. |
| 80 // User needs to recover by destroying the object. | 80 // User needs to recover by destroying the object. |
| 81 }; | 81 }; |
| 82 | 82 |
| 83 // Implements SinkFilterObserver. | 83 // Implements SinkFilterObserver. |
| 84 void FrameReceived(const uint8* buffer, int length, | 84 void FrameReceived(const uint8_t* buffer, |
| 85 int length, |
| 85 base::TimeTicks timestamp) override; | 86 base::TimeTicks timestamp) override; |
| 86 | 87 |
| 87 bool CreateCapabilityMap(); | 88 bool CreateCapabilityMap(); |
| 88 void SetAntiFlickerInCaptureFilter(const VideoCaptureParams& params); | 89 void SetAntiFlickerInCaptureFilter(const VideoCaptureParams& params); |
| 89 void SetErrorState(const tracked_objects::Location& from_here, | 90 void SetErrorState(const tracked_objects::Location& from_here, |
| 90 const std::string& reason); | 91 const std::string& reason); |
| 91 | 92 |
| 92 const Name device_name_; | 93 const Name device_name_; |
| 93 InternalState state_; | 94 InternalState state_; |
| 94 scoped_ptr<VideoCaptureDevice::Client> client_; | 95 scoped_ptr<VideoCaptureDevice::Client> client_; |
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| 109 VideoCaptureFormat capture_format_; | 110 VideoCaptureFormat capture_format_; |
| 110 | 111 |
| 111 base::ThreadChecker thread_checker_; | 112 base::ThreadChecker thread_checker_; |
| 112 | 113 |
| 113 DISALLOW_IMPLICIT_CONSTRUCTORS(VideoCaptureDeviceWin); | 114 DISALLOW_IMPLICIT_CONSTRUCTORS(VideoCaptureDeviceWin); |
| 114 }; | 115 }; |
| 115 | 116 |
| 116 } // namespace media | 117 } // namespace media |
| 117 | 118 |
| 118 #endif // MEDIA_VIDEO_CAPTURE_WIN_VIDEO_CAPTURE_DEVICE_WIN_H_ | 119 #endif // MEDIA_VIDEO_CAPTURE_WIN_VIDEO_CAPTURE_DEVICE_WIN_H_ |
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