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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_CAPTURE_VIDEO_LINUX_VIDEO_CAPTURE_DEVICE_LINUX_H_ | 10 #ifndef MEDIA_CAPTURE_VIDEO_LINUX_VIDEO_CAPTURE_DEVICE_LINUX_H_ |
11 #define MEDIA_CAPTURE_VIDEO_LINUX_VIDEO_CAPTURE_DEVICE_LINUX_H_ | 11 #define MEDIA_CAPTURE_VIDEO_LINUX_VIDEO_CAPTURE_DEVICE_LINUX_H_ |
12 | 12 |
13 #include <stdint.h> | 13 #include <stdint.h> |
14 | 14 |
15 #include <string> | 15 #include <string> |
16 | 16 |
17 #include "base/files/file_util.h" | 17 #include "base/files/file_util.h" |
18 #include "base/files/scoped_file.h" | 18 #include "base/files/scoped_file.h" |
19 #include "base/macros.h" | 19 #include "base/macros.h" |
20 #include "base/threading/thread.h" | 20 #include "base/threading/thread.h" |
21 #include "media/base/video_capture_types.h" | |
22 #include "media/capture/video/video_capture_device.h" | 21 #include "media/capture/video/video_capture_device.h" |
| 22 #include "media/capture/video_capture_types.h" |
23 | 23 |
24 namespace media { | 24 namespace media { |
25 | 25 |
26 class V4L2CaptureDelegate; | 26 class V4L2CaptureDelegate; |
27 | 27 |
28 // Linux V4L2 implementation of VideoCaptureDevice. | 28 // Linux V4L2 implementation of VideoCaptureDevice. |
29 class VideoCaptureDeviceLinux : public VideoCaptureDevice { | 29 class VideoCaptureDeviceLinux : public VideoCaptureDevice { |
30 public: | 30 public: |
31 static VideoPixelFormat V4l2FourCcToChromiumPixelFormat(uint32_t v4l2_fourcc); | 31 static VideoPixelFormat V4l2FourCcToChromiumPixelFormat(uint32_t v4l2_fourcc); |
32 static std::list<uint32_t> GetListOfUsableFourCCs(bool favour_mjpeg); | 32 static std::list<uint32_t> GetListOfUsableFourCCs(bool favour_mjpeg); |
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58 base::Thread v4l2_thread_; // Thread used for reading data from the device. | 58 base::Thread v4l2_thread_; // Thread used for reading data from the device. |
59 | 59 |
60 const VideoCaptureDeviceDescriptor device_descriptor_; | 60 const VideoCaptureDeviceDescriptor device_descriptor_; |
61 | 61 |
62 DISALLOW_IMPLICIT_CONSTRUCTORS(VideoCaptureDeviceLinux); | 62 DISALLOW_IMPLICIT_CONSTRUCTORS(VideoCaptureDeviceLinux); |
63 }; | 63 }; |
64 | 64 |
65 } // namespace media | 65 } // namespace media |
66 | 66 |
67 #endif // MEDIA_CAPTURE_VIDEO_LINUX_VIDEO_CAPTURE_DEVICE_LINUX_H_ | 67 #endif // MEDIA_CAPTURE_VIDEO_LINUX_VIDEO_CAPTURE_DEVICE_LINUX_H_ |
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