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Side by Side Diff: device/capture/video/mac/video_capture_device_avfoundation_mac.h

Issue 2214533002: move //media/capture to //device/capture (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 4 months ago
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1 // Copyright 2013 The Chromium Authors. All rights reserved. 1 // Copyright 2013 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_CAPTURE_VIDEO_MAC_VIDEO_CAPTURE_DEVICE_AVFOUNDATION_MAC_H_ 5 #ifndef DEVICE_CAPTURE_VIDEO_MAC_VIDEO_CAPTURE_DEVICE_AVFOUNDATION_MAC_H_
6 #define MEDIA_CAPTURE_VIDEO_MAC_VIDEO_CAPTURE_DEVICE_AVFOUNDATION_MAC_H_ 6 #define DEVICE_CAPTURE_VIDEO_MAC_VIDEO_CAPTURE_DEVICE_AVFOUNDATION_MAC_H_
7 7
8 #import <Foundation/Foundation.h> 8 #import <Foundation/Foundation.h>
9 9
10 #import "base/mac/scoped_nsobject.h" 10 #import "base/mac/scoped_nsobject.h"
11 #include "base/synchronization/lock.h" 11 #include "base/synchronization/lock.h"
12 #include "base/threading/thread_checker.h" 12 #include "base/threading/thread_checker.h"
13 #include "device/capture/video/video_capture_device.h"
13 #import "media/base/mac/avfoundation_glue.h" 14 #import "media/base/mac/avfoundation_glue.h"
14 #include "media/base/video_capture_types.h" 15 #include "media/base/video_capture_types.h"
15 #include "media/capture/video/video_capture_device.h"
16 16
17 namespace media { 17 namespace device {
18 class VideoCaptureDeviceMac; 18 class VideoCaptureDeviceMac;
19 } 19 }
20 20
21 @class CrAVCaptureDevice; 21 @class CrAVCaptureDevice;
22 @class CrAVCaptureSession; 22 @class CrAVCaptureSession;
23 @class CrAVCaptureVideoDataOutput; 23 @class CrAVCaptureVideoDataOutput;
24 @class CrAVCaptureStillImageOutput; 24 @class CrAVCaptureStillImageOutput;
25 25
26 // Class used by VideoCaptureDeviceMac (VCDM) for video and image capture using 26 // Class used by VideoCaptureDeviceMac (VCDM) for video and image capture using
27 // AVFoundation API. This class lives inside the thread created by its owner 27 // AVFoundation API. This class lives inside the thread created by its owner
(...skipping 29 matching lines...) Expand all
57 // 57 //
58 @interface VideoCaptureDeviceAVFoundation 58 @interface VideoCaptureDeviceAVFoundation
59 : NSObject<CrAVCaptureVideoDataOutputSampleBufferDelegate> { 59 : NSObject<CrAVCaptureVideoDataOutputSampleBufferDelegate> {
60 @private 60 @private
61 // The following attributes are set via -setCaptureHeight:width:frameRate:. 61 // The following attributes are set via -setCaptureHeight:width:frameRate:.
62 int frameWidth_; 62 int frameWidth_;
63 int frameHeight_; 63 int frameHeight_;
64 float frameRate_; 64 float frameRate_;
65 65
66 base::Lock lock_; // Protects concurrent setting and using |frameReceiver_|. 66 base::Lock lock_; // Protects concurrent setting and using |frameReceiver_|.
67 media::VideoCaptureDeviceMac* frameReceiver_; // weak. 67 device::VideoCaptureDeviceMac* frameReceiver_; // weak.
68 68
69 base::scoped_nsobject<CrAVCaptureSession> captureSession_; 69 base::scoped_nsobject<CrAVCaptureSession> captureSession_;
70 70
71 // |captureDevice_| is an object coming from AVFoundation, used only to be 71 // |captureDevice_| is an object coming from AVFoundation, used only to be
72 // plugged in |captureDeviceInput_| and to query for session preset support. 72 // plugged in |captureDeviceInput_| and to query for session preset support.
73 CrAVCaptureDevice* captureDevice_; 73 CrAVCaptureDevice* captureDevice_;
74 // |captureDeviceInput_| is owned by |captureSession_|. 74 // |captureDeviceInput_| is owned by |captureSession_|.
75 CrAVCaptureDeviceInput* captureDeviceInput_; 75 CrAVCaptureDeviceInput* captureDeviceInput_;
76 base::scoped_nsobject<CrAVCaptureVideoDataOutput> captureVideoDataOutput_; 76 base::scoped_nsobject<CrAVCaptureVideoDataOutput> captureVideoDataOutput_;
77 77
78 // An AVDataOutput specialized for taking pictures out of |captureSession_|. 78 // An AVDataOutput specialized for taking pictures out of |captureSession_|.
79 base::scoped_nsobject<CrAVCaptureStillImageOutput> stillImageOutput_; 79 base::scoped_nsobject<CrAVCaptureStillImageOutput> stillImageOutput_;
80 80
81 base::ThreadChecker main_thread_checker_; 81 base::ThreadChecker main_thread_checker_;
82 } 82 }
83 83
84 // Returns a dictionary of capture devices with friendly name and unique id. 84 // Returns a dictionary of capture devices with friendly name and unique id.
85 + (NSDictionary*)deviceNames; 85 + (NSDictionary*)deviceNames;
86 86
87 // Retrieve the capture supported formats for a given device |descriptor|. 87 // Retrieve the capture supported formats for a given device |descriptor|.
88 + (void)getDevice:(const media::VideoCaptureDeviceDescriptor&)descriptor 88 + (void)getDevice:(const device::VideoCaptureDeviceDescriptor&)descriptor
89 supportedFormats:(media::VideoCaptureFormats*)formats; 89 supportedFormats:(media::VideoCaptureFormats*)formats;
90 90
91 // Initializes the instance and the underlying capture session and registers the 91 // Initializes the instance and the underlying capture session and registers the
92 // frame receiver. 92 // frame receiver.
93 - (id)initWithFrameReceiver:(media::VideoCaptureDeviceMac*)frameReceiver; 93 - (id)initWithFrameReceiver:(device::VideoCaptureDeviceMac*)frameReceiver;
94 94
95 // Sets the frame receiver. 95 // Sets the frame receiver.
96 - (void)setFrameReceiver:(media::VideoCaptureDeviceMac*)frameReceiver; 96 - (void)setFrameReceiver:(device::VideoCaptureDeviceMac*)frameReceiver;
97 97
98 // Sets which capture device to use by name, retrieved via |deviceNames|. Once 98 // Sets which capture device to use by name, retrieved via |deviceNames|. Once
99 // the deviceId is known, the library objects are created if needed and 99 // the deviceId is known, the library objects are created if needed and
100 // connected for the capture, and a by default resolution is set. If deviceId is 100 // connected for the capture, and a by default resolution is set. If deviceId is
101 // nil, then the eventual capture is stopped and library objects are 101 // nil, then the eventual capture is stopped and library objects are
102 // disconnected. Returns YES on success, NO otherwise. This method should not be 102 // disconnected. Returns YES on success, NO otherwise. This method should not be
103 // called during capture. 103 // called during capture.
104 - (BOOL)setCaptureDevice:(NSString*)deviceId; 104 - (BOOL)setCaptureDevice:(NSString*)deviceId;
105 105
106 // Configures the capture properties for the capture session and the video data 106 // Configures the capture properties for the capture session and the video data
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117 117
118 // Stops video capturing and stops listening to notifications. 118 // Stops video capturing and stops listening to notifications.
119 - (void)stopCapture; 119 - (void)stopCapture;
120 120
121 // Takes a photo. This method should only be called between -startCapture and 121 // Takes a photo. This method should only be called between -startCapture and
122 // -stopCapture. 122 // -stopCapture.
123 - (void)takePhoto; 123 - (void)takePhoto;
124 124
125 @end 125 @end
126 126
127 #endif // MEDIA_CAPTURE_VIDEO_MAC_VIDEO_CAPTURE_DEVICE_AVFOUNDATION_MAC_H_ 127 #endif // DEVICE_CAPTURE_VIDEO_MAC_VIDEO_CAPTURE_DEVICE_AVFOUNDATION_MAC_H_
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