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Side by Side Diff: media/capture/video/linux/video_capture_device_linux.h

Issue 2364543002: Revert of Image Capture Linux/CrOs: wire some capabilities set/get (Closed)
Patch Set: Created 4 years, 3 months ago
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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_
(...skipping 22 matching lines...) Expand all
33 33
34 explicit VideoCaptureDeviceLinux( 34 explicit VideoCaptureDeviceLinux(
35 const VideoCaptureDeviceDescriptor& device_descriptor); 35 const VideoCaptureDeviceDescriptor& device_descriptor);
36 ~VideoCaptureDeviceLinux() override; 36 ~VideoCaptureDeviceLinux() override;
37 37
38 // VideoCaptureDevice implementation. 38 // VideoCaptureDevice implementation.
39 void AllocateAndStart(const VideoCaptureParams& params, 39 void AllocateAndStart(const VideoCaptureParams& params,
40 std::unique_ptr<Client> client) override; 40 std::unique_ptr<Client> client) override;
41 void StopAndDeAllocate() override; 41 void StopAndDeAllocate() override;
42 void TakePhoto(TakePhotoCallback callback) override; 42 void TakePhoto(TakePhotoCallback callback) override;
43 void GetPhotoCapabilities(GetPhotoCapabilitiesCallback callback) override;
44 void SetPhotoOptions(mojom::PhotoSettingsPtr settings,
45 SetPhotoOptionsCallback callback) override;
46 43
47 protected: 44 protected:
48 void SetRotation(int rotation); 45 void SetRotation(int rotation);
49 46
50 private: 47 private:
51 static int TranslatePowerLineFrequencyToV4L2(PowerLineFrequency frequency); 48 static int TranslatePowerLineFrequencyToV4L2(PowerLineFrequency frequency);
52 49
53 // Internal delegate doing the actual capture setting, buffer allocation and 50 // Internal delegate doing the actual capture setting, buffer allocation and
54 // circulation with the V4L2 API. Created and deleted in the thread where 51 // circulation with the V4L2 API. Created and deleted in the thread where
55 // VideoCaptureDeviceLinux lives but otherwise operating on |v4l2_thread_|. 52 // VideoCaptureDeviceLinux lives but otherwise operating on |v4l2_thread_|.
56 scoped_refptr<V4L2CaptureDelegate> capture_impl_; 53 scoped_refptr<V4L2CaptureDelegate> capture_impl_;
57 54
58 base::Thread v4l2_thread_; // Thread used for reading data from the device. 55 base::Thread v4l2_thread_; // Thread used for reading data from the device.
59 56
60 const VideoCaptureDeviceDescriptor device_descriptor_; 57 const VideoCaptureDeviceDescriptor device_descriptor_;
61 58
62 DISALLOW_IMPLICIT_CONSTRUCTORS(VideoCaptureDeviceLinux); 59 DISALLOW_IMPLICIT_CONSTRUCTORS(VideoCaptureDeviceLinux);
63 }; 60 };
64 61
65 } // namespace media 62 } // namespace media
66 63
67 #endif // MEDIA_CAPTURE_VIDEO_LINUX_VIDEO_CAPTURE_DEVICE_LINUX_H_ 64 #endif // MEDIA_CAPTURE_VIDEO_LINUX_VIDEO_CAPTURE_DEVICE_LINUX_H_
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