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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. | 5 // Windows specific implementation of VideoCaptureDevice. |
| 6 // DirectShow is used for capturing. DirectShow provide its own threads | 6 // DirectShow is used for capturing. DirectShow provide its own threads |
| 7 // for capturing. | 7 // for capturing. |
| 8 | 8 |
| 9 #ifndef MEDIA_VIDEO_CAPTURE_WIN_VIDEO_CAPTURE_DEVICE_MF_WIN_H_ | 9 #ifndef MEDIA_VIDEO_CAPTURE_WIN_VIDEO_CAPTURE_DEVICE_MF_WIN_H_ |
| 10 #define MEDIA_VIDEO_CAPTURE_WIN_VIDEO_CAPTURE_DEVICE_MF_WIN_H_ | 10 #define MEDIA_VIDEO_CAPTURE_WIN_VIDEO_CAPTURE_DEVICE_MF_WIN_H_ |
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| 37 | 37 |
| 38 explicit VideoCaptureDeviceMFWin(const Name& device_name); | 38 explicit VideoCaptureDeviceMFWin(const Name& device_name); |
| 39 virtual ~VideoCaptureDeviceMFWin(); | 39 virtual ~VideoCaptureDeviceMFWin(); |
| 40 | 40 |
| 41 // Opens the device driver for this device. | 41 // Opens the device driver for this device. |
| 42 bool Init(const base::win::ScopedComPtr<IMFMediaSource>& source); | 42 bool Init(const base::win::ScopedComPtr<IMFMediaSource>& source); |
| 43 | 43 |
| 44 // VideoCaptureDevice implementation. | 44 // VideoCaptureDevice implementation. |
| 45 virtual void AllocateAndStart(const VideoCaptureParams& params, | 45 virtual void AllocateAndStart(const VideoCaptureParams& params, |
| 46 scoped_ptr<VideoCaptureDevice::Client> client) | 46 scoped_ptr<VideoCaptureDevice::Client> client) |
| 47 OVERRIDE; | 47 override; |
| 48 virtual void StopAndDeAllocate() OVERRIDE; | 48 virtual void StopAndDeAllocate() override; |
| 49 | 49 |
| 50 // Captured new video data. | 50 // Captured new video data. |
| 51 void OnIncomingCapturedData(const uint8* data, | 51 void OnIncomingCapturedData(const uint8* data, |
| 52 int length, | 52 int length, |
| 53 int rotation, | 53 int rotation, |
| 54 const base::TimeTicks& time_stamp); | 54 const base::TimeTicks& time_stamp); |
| 55 | 55 |
| 56 private: | 56 private: |
| 57 void OnError(HRESULT hr); | 57 void OnError(HRESULT hr); |
| 58 | 58 |
| 59 Name name_; | 59 Name name_; |
| 60 base::win::ScopedComPtr<IMFActivate> device_; | 60 base::win::ScopedComPtr<IMFActivate> device_; |
| 61 scoped_refptr<MFReaderCallback> callback_; | 61 scoped_refptr<MFReaderCallback> callback_; |
| 62 | 62 |
| 63 base::Lock lock_; // Used to guard the below variables. | 63 base::Lock lock_; // Used to guard the below variables. |
| 64 scoped_ptr<VideoCaptureDevice::Client> client_; | 64 scoped_ptr<VideoCaptureDevice::Client> client_; |
| 65 base::win::ScopedComPtr<IMFSourceReader> reader_; | 65 base::win::ScopedComPtr<IMFSourceReader> reader_; |
| 66 VideoCaptureFormat capture_format_; | 66 VideoCaptureFormat capture_format_; |
| 67 bool capture_; | 67 bool capture_; |
| 68 | 68 |
| 69 DISALLOW_IMPLICIT_CONSTRUCTORS(VideoCaptureDeviceMFWin); | 69 DISALLOW_IMPLICIT_CONSTRUCTORS(VideoCaptureDeviceMFWin); |
| 70 }; | 70 }; |
| 71 | 71 |
| 72 } // namespace media | 72 } // namespace media |
| 73 | 73 |
| 74 #endif // MEDIA_VIDEO_CAPTURE_WIN_VIDEO_CAPTURE_DEVICE_MF_WIN_H_ | 74 #endif // MEDIA_VIDEO_CAPTURE_WIN_VIDEO_CAPTURE_DEVICE_MF_WIN_H_ |
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