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Side by Side Diff: media/video/capture/video_capture_device_factory.h

Issue 270263008: Add a ChromeOS implementation of VideoCaptureDevice (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Rebase Created 6 years, 7 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 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 #ifndef MEDIA_VIDEO_CAPTURE_VIDEO_CAPTURE_DEVICE_FACTORY_H_ 5 #ifndef MEDIA_VIDEO_CAPTURE_VIDEO_CAPTURE_DEVICE_FACTORY_H_
6 #define MEDIA_VIDEO_CAPTURE_VIDEO_CAPTURE_DEVICE_FACTORY_H_ 6 #define MEDIA_VIDEO_CAPTURE_VIDEO_CAPTURE_DEVICE_FACTORY_H_
7 7
8 #include "base/threading/thread_checker.h" 8 #include "base/threading/thread_checker.h"
9 #include "media/video/capture/video_capture_device.h" 9 #include "media/video/capture/video_capture_device.h"
10 10
11 namespace media { 11 namespace media {
12 12
13 // VideoCaptureDeviceFactory is the base class for creation of video capture 13 // VideoCaptureDeviceFactory is the base class for creation of video capture
14 // devices in the different platforms. VCDFs are created by MediaStreamManager 14 // devices in the different platforms. VCDFs are created by MediaStreamManager
15 // on IO thread and plugged into VideoCaptureManager, who owns and operates them 15 // on IO thread and plugged into VideoCaptureManager, who owns and operates them
16 // in Device Thread (a.k.a. Audio Thread). 16 // in Device Thread (a.k.a. Audio Thread).
17 class MEDIA_EXPORT VideoCaptureDeviceFactory { 17 class MEDIA_EXPORT VideoCaptureDeviceFactory {
18 public: 18 public:
19 static scoped_ptr<VideoCaptureDeviceFactory> CreateFactory(); 19 static scoped_ptr<VideoCaptureDeviceFactory> CreateFactory();
20 20
21 VideoCaptureDeviceFactory(); 21 VideoCaptureDeviceFactory();
22 virtual ~VideoCaptureDeviceFactory(); 22 virtual ~VideoCaptureDeviceFactory();
23 23
24 // Creates a VideoCaptureDevice object. Returns NULL if something goes wrong. 24 // Creates a VideoCaptureDevice object. Returns NULL if something goes wrong.
25 virtual scoped_ptr<VideoCaptureDevice> Create( 25 virtual scoped_ptr<VideoCaptureDevice> Create(
26 scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner,
26 const VideoCaptureDevice::Name& device_name); 27 const VideoCaptureDevice::Name& device_name);
27 28
28 // Gets the names of all video capture devices connected to this computer. 29 // Gets the names of all video capture devices connected to this computer.
29 virtual void GetDeviceNames(VideoCaptureDevice::Names* device_names); 30 virtual void GetDeviceNames(VideoCaptureDevice::Names* device_names);
30 31
31 // Gets the supported formats of a particular device attached to the system. 32 // Gets the supported formats of a particular device attached to the system.
32 // This method should be called before allocating or starting a device. In 33 // This method should be called before allocating or starting a device. In
33 // case format enumeration is not supported, or there was a problem, the 34 // case format enumeration is not supported, or there was a problem, the
34 // formats array will be empty. 35 // formats array will be empty.
35 virtual void GetDeviceSupportedFormats( 36 virtual void GetDeviceSupportedFormats(
36 const VideoCaptureDevice::Name& device, 37 const VideoCaptureDevice::Name& device,
37 VideoCaptureFormats* supported_formats); 38 VideoCaptureFormats* supported_formats);
38 39
39 protected: 40 protected:
40 base::ThreadChecker thread_checker_; 41 base::ThreadChecker thread_checker_;
41 42
42 private: 43 private:
43 DISALLOW_COPY_AND_ASSIGN(VideoCaptureDeviceFactory); 44 DISALLOW_COPY_AND_ASSIGN(VideoCaptureDeviceFactory);
44 }; 45 };
45 46
46 } // namespace media 47 } // namespace media
47 48
48 #endif // MEDIA_VIDEO_CAPTURE_VIDEO_CAPTURE_DEVICE_FACTORY_H_ 49 #endif // MEDIA_VIDEO_CAPTURE_VIDEO_CAPTURE_DEVICE_FACTORY_H_
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