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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 // Linux specific implementation of VideoCaptureDevice. | 5 // Linux specific implementation of VideoCaptureDevice. |
6 // V4L2 is used for capturing. V4L2 does not provide its own thread for | 6 // V4L2 is used for capturing. V4L2 does not provide its own thread for |
7 // capturing so this implementation uses a Chromium thread for fetching frames | 7 // capturing so this implementation uses a Chromium thread for fetching frames |
8 // from V4L2. | 8 // from V4L2. |
9 | 9 |
10 #ifndef MEDIA_VIDEO_CAPTURE_LINUX_VIDEO_CAPTURE_DEVICE_LINUX_H_ | 10 #ifndef MEDIA_VIDEO_CAPTURE_LINUX_VIDEO_CAPTURE_DEVICE_LINUX_H_ |
11 #define MEDIA_VIDEO_CAPTURE_LINUX_VIDEO_CAPTURE_DEVICE_LINUX_H_ | 11 #define MEDIA_VIDEO_CAPTURE_LINUX_VIDEO_CAPTURE_DEVICE_LINUX_H_ |
12 | 12 |
13 #include <string> | 13 #include <string> |
14 | 14 |
15 #include "base/files/file_util.h" | 15 #include "base/files/file_util.h" |
16 #include "base/files/scoped_file.h" | 16 #include "base/files/scoped_file.h" |
17 #include "base/threading/thread.h" | 17 #include "base/threading/thread.h" |
| 18 #include "media/base/video_capture_types.h" |
18 #include "media/video/capture/video_capture_device.h" | 19 #include "media/video/capture/video_capture_device.h" |
19 #include "media/video/capture/video_capture_types.h" | |
20 | 20 |
21 namespace media { | 21 namespace media { |
22 | 22 |
23 // Linux V4L2 implementation of VideoCaptureDevice. | 23 // Linux V4L2 implementation of VideoCaptureDevice. |
24 class VideoCaptureDeviceLinux : public VideoCaptureDevice { | 24 class VideoCaptureDeviceLinux : public VideoCaptureDevice { |
25 public: | 25 public: |
26 static VideoPixelFormat V4l2FourCcToChromiumPixelFormat(uint32 v4l2_fourcc); | 26 static VideoPixelFormat V4l2FourCcToChromiumPixelFormat(uint32 v4l2_fourcc); |
27 static std::list<int> GetListOfUsableFourCCs(bool favour_mjpeg); | 27 static std::list<int> GetListOfUsableFourCCs(bool favour_mjpeg); |
28 | 28 |
29 explicit VideoCaptureDeviceLinux(const Name& device_name); | 29 explicit VideoCaptureDeviceLinux(const Name& device_name); |
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47 base::Thread v4l2_thread_; // Thread used for reading data from the device. | 47 base::Thread v4l2_thread_; // Thread used for reading data from the device. |
48 | 48 |
49 const Name device_name_; | 49 const Name device_name_; |
50 | 50 |
51 DISALLOW_IMPLICIT_CONSTRUCTORS(VideoCaptureDeviceLinux); | 51 DISALLOW_IMPLICIT_CONSTRUCTORS(VideoCaptureDeviceLinux); |
52 }; | 52 }; |
53 | 53 |
54 } // namespace media | 54 } // namespace media |
55 | 55 |
56 #endif // MEDIA_VIDEO_CAPTURE_LINUX_VIDEO_CAPTURE_DEVICE_LINUX_H_ | 56 #endif // MEDIA_VIDEO_CAPTURE_LINUX_VIDEO_CAPTURE_DEVICE_LINUX_H_ |
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