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1# 媒体子系统JS API变更Changelog
2
3## camera接口变更
4基于以下原因新增部分功能接口以及废弃部分接口：
51. 提升开发者使用相机接口的便利。
62. 帮助开发者快速掌握相机开发接口，快速投入到开发当中。
73. 易于后续版本中框架功能的扩展，降低框架模块之间的耦合度。
8
9具体参考下方变更内容，开发者需要根据以下说明对应用进行适配。
10
11 **变更影响**
12
13影响API9版本的JS接口，应用需要进行适配才可以在新版本SDK环境正常实现功能。
14
15**关键的接口/组件变更**
16
17| 模块名                 | 类名                    | 方法/属性/枚举/常量                                          | 变更类型 |
18| ---------------------- | ----------------------- | ------------------------------------------------------------ | -------- |
19| ohos.multimedia.camera | Profile                 | readonly format:CameraFormat;                                | 新增     |
20| ohos.multimedia.camera | Profile                 | readonly size: Size;                                         | 新增     |
21| ohos.multimedia.camera | FrameRateRange          | readonly min: number;                                        | 新增     |
22| ohos.multimedia.camera | FrameRateRange          | readonly max: number;                                        | 新增     |
23| ohos.multimedia.camera | VideoProfile            | readonly frameRateRange: FrameRateRange;                     | 新增     |
24| ohos.multimedia.camera | CameraOutputCapability  | readonly previewProfiles: Array<Profile>;                    | 新增     |
25| ohos.multimedia.camera | CameraOutputCapability  | readonly photoProfiles: Array<Profile>;                      | 新增     |
26| ohos.multimedia.camera | CameraOutputCapability  | readonly videoProfiles: Array<VideoProfile>;                 | 新增     |
27| ohos.multimedia.camera | CameraOutputCapability  | readonly supportedMetadataObjectTypes: Array<MetadataObjectType>; | 新增     |
28| ohos.multimedia.camera | CameraManager           | getSupportedCameras(callback: AsyncCallback<Array<CameraDevice>>): void;<br/>getSupportedCameras(): Promise<Array<CameraDevice>>; | 新增     |
29| ohos.multimedia.camera | CameraManager           | getSupportedOutputCapability(camera: CameraDevice, callback: AsyncCallback<CameraOutputCapability>): void;<br/>getSupportedOutputCapability(camera: CameraDevice): Promise<CameraOutputCapability>; | 新增     |
30| ohos.multimedia.camera | CameraManager           | isCameraMuted(): boolean;                                    | 新增     |
31| ohos.multimedia.camera | CameraManager           | isCameraMuteSupported(): boolean;                            | 新增     |
32| ohos.multimedia.camera | CameraManager           | muteCamera(mute: boolean): void;                             | 新增     |
33| ohos.multimedia.camera | CameraManager           | createCameraInput(camera: CameraDevice, callback: AsyncCallback<CameraInput>): void;<br/>createCameraInput(camera: CameraDevice): Promise<CameraInput>; | 新增     |
34| ohos.multimedia.camera | CameraManager           | createPreviewOutput(profile: Profile, surfaceId: string, callback: AsyncCallback<PreviewOutput>): void;<br/>createPreviewOutput(profile: Profile, surfaceId: string): Promise<PreviewOutput>; | 新增     |
35| ohos.multimedia.camera | CameraManager           | createPhotoOutput(profile: Profile, surfaceId: string, callback: AsyncCallback<PhotoOutput>): void;<br/>createPhotoOutput(profile: Profile, surfaceId: string): Promise<PhotoOutput>; | 新增     |
36| ohos.multimedia.camera | CameraManager           | createVideoOutput(profile: VideoProfile, surfaceId: string, callback: AsyncCallback<VideoOutput>): void;<br/>createVideoOutput(profile: VideoProfile, surfaceId: string): Promise<VideoOutput>; | 新增     |
37| ohos.multimedia.camera | CameraManager           | createMetadataOutput(metadataObjectTypes: Array<MetadataObjectType>, callback: AsyncCallback<MetadataOutput>): void;<br/>createMetadataOutput(metadataObjectTypes: Array<MetadataObjectType>): Promise<MetadataOutput>; | 新增     |
38| ohos.multimedia.camera | CameraManager           | createCaptureSession(callback: AsyncCallback<CaptureSession>): void;<br/>createCaptureSession(): Promise<CaptureSession>; | 新增     |
39| ohos.multimedia.camera | CameraManager           | on(type: 'cameraMute', callback: AsyncCallback<boolean>): void; | 新增     |
40| ohos.multimedia.camera | CameraManager           | getCameras(callback: AsyncCallback<Array<Camera>>): void;<br/>getCameras(): Promise<Array<Camera>>; | 废弃     |
41| ohos.multimedia.camera | CameraManager           | createCameraInput(cameraId: string, callback: AsyncCallback<CameraInput>): void;<br/>createCameraInput(cameraId: string): Promise<CameraInput>; | 废弃     |
42| ohos.multimedia.camera | CameraManager           | createCaptureSession(context: Context, callback: AsyncCallback<CaptureSession>): void;<br/>createCaptureSession(context: Context): Promise<CaptureSession>; | 废弃     |
43| ohos.multimedia.camera | CameraManager           | createPreviewOutput(surfaceId: string, callback: AsyncCallback<PreviewOutput>): void;<br/>createPreviewOutput(surfaceId: string): Promise<PreviewOutput>; | 废弃     |
44| ohos.multimedia.camera | CameraManager           | CreatePhotoOutput(surfaceId: string, callback: AsyncCallback<PhotoOutput>): void;<br/>CreatePhotoOutput(surfaceId: string): Promise<PhotoOutput>; | 废弃     |
45| ohos.multimedia.camera | CameraManager           | createVideoOutput(surfaceId: string, callback: AsyncCallback<VideoOutput>): void;<br/>createVideoOutput(surfaceId: string): Promise<VideoOutput>; | 废弃     |
46| ohos.multimedia.camera | CameraManager           | createMetadataOutput(callback: AsyncCallback<MetadataOutput>): void;<br/>createVideoOutput(): Promise<MetadataOutput>; | 废弃     |
47| ohos.multimedia.camera | CameraStatusInfo        | camera: CameraDevice;                                        | 新增     |
48| ohos.multimedia.camera | CameraStatusInfo        | camera: Camera;                                              | 废弃     |
49| ohos.multimedia.camera | CameraDevice            | interface CameraDevice                                       | 新增     |
50| ohos.multimedia.camera | Camera                  | interface Camera                                             | 废弃     |
51| ohos.multimedia.camera | CameraInput             | open(callback: AsyncCallback<void>): void;<br/>open(): Promise<void>; | 新增     |
52| ohos.multimedia.camera | CameraInput             | close(callback: AsyncCallback<void>): void;<br/>close(): Promise<void>; | 新增     |
53| ohos.multimedia.camera | CameraInput             | on(type: 'error', camera: CameraDevice, callback: ErrorCallback<CameraInputError>): void; | 新增     |
54| ohos.multimedia.camera | CameraInput             | isFocusModeSupported(afMode: FocusMode, callback: AsyncCallback<boolean>): void;<br/>isFocusModeSupported(afMode: FocusMode): Promise<boolean>; | 废弃     |
55| ohos.multimedia.camera | CameraInput             | getFocusMode(callback: AsyncCallback<FocusMode>): void;<br/>getFocusMode(): Promise<FocusMode>; | 废弃     |
56| ohos.multimedia.camera | CameraInput             | setFocusMode(afMode: FocusMode, callback: AsyncCallback<void>): void;<br/>setFocusMode(afMode: FocusMode): Promise<void>; | 废弃     |
57| ohos.multimedia.camera | CameraInput             | getZoomRatioRange(callback: AsyncCallback<Array<number>>): void;<br/>getZoomRatioRange(): Promise<Array<number>>; | 废弃     |
58| ohos.multimedia.camera | CameraInput             | getZoomRatio(callback: AsyncCallback<number>): void;<br/>getZoomRatio(): Promise<number>; | 废弃     |
59| ohos.multimedia.camera | CameraInput             | setZoomRatio(zoomRatio: number, callback: AsyncCallback<void>): void;<br/>setZoomRatio(zoomRatio: number): Promise<void>; | 废弃     |
60| ohos.multimedia.camera | CameraInput             | getCameraId(callback: AsyncCallback<string>): void;<br/>getCameraId(): Promise<string>; | 废弃     |
61| ohos.multimedia.camera | CameraInput             | getExposurePoint(callback: AsyncCallback<Point>): void;<br/>getExposurePoint(): Promise<Point>; | 废弃     |
62| ohos.multimedia.camera | CameraInput             | setExposurePoint(exposurePoint: Point, callback: AsyncCallback<void>): void;<br/>setExposurePoint(exposurePoint: Point): Promise<void>; | 废弃     |
63| ohos.multimedia.camera | CameraInput          | hasFlash(callback: AsyncCallback<boolean>): void;<br/>hasFlash(): Promise<boolean>;                                                                         | 废弃     |
64| ohos.multimedia.camera | CameraInput          | isFlashModeSupported(flashMode: FlashMode, callback: AsyncCallback<boolean>): void;<br/>isFlashModeSupported(flashMode: FlashMode): Promise<boolean>;       | 废弃     |
65| ohos.multimedia.camera | CameraInput          | getFlashMode(callback: AsyncCallback<FlashMode>): void;<br/>getFlashMode(): Promise<FlashMode>;                                                             | 废弃     |
66| ohos.multimedia.camera | CameraInput          | setFlashMode(flashMode: FlashMode, callback: AsyncCallback<void>): void;<br/>setFlashMode(flashMode: FlashMode): Promise<void>;                             | 废弃     |
67| ohos.multimedia.camera | CameraInput          | isExposureModeSupported(aeMode: ExposureMode, callback: AsyncCallback<boolean>): void;<br/>isExposureModeSupported(aeMode: ExposureMode): Promise<boolean>; | 废弃     |
68| ohos.multimedia.camera | CameraInput          | getExposureMode(callback: AsyncCallback<ExposureMode>): void;<br/>getExposureMode(): Promise<ExposureMode>;                                                 | 废弃     |
69| ohos.multimedia.camera | CameraInput          | setExposureMode(aeMode: ExposureMode, callback: AsyncCallback<void>): void;<br/>setExposureMode(aeMode: ExposureMode): Promise<void>;                       | 废弃     |
70| ohos.multimedia.camera | CameraInput          | getMeteringPoint(callback: AsyncCallback<Point>): void;<br/>getMeteringPoint(): Promise<Point>;                                                             | 废弃     |
71| ohos.multimedia.camera | CameraInput          | setMeteringPoint(point: Point, callback: AsyncCallback<void>): void;<br/>setMeteringPoint(point: Point): Promise<void>;                                     | 废弃     |
72| ohos.multimedia.camera | CameraInput          | getExposureBiasRange(callback: AsyncCallback<Array<number>>): void;<br/>getExposureBiasRange(): Promise<Array<number>>;                                     | 废弃     |
73| ohos.multimedia.camera | CameraInput          | setExposureBias(exposureBias: number, callback: AsyncCallback<void>): void;<br/>setExposureBias(exposureBias: number): Promise<void>;                       | 废弃     |
74| ohos.multimedia.camera | CameraInput          | getExposureValue(callback: AsyncCallback<number>): void;<br/>getExposureValue(): Promise<number>;                                                           | 废弃     |
75| ohos.multimedia.camera | CameraInput          | isFocusModeSupported(afMode: FocusMode, callback: AsyncCallback<boolean>): void;<br/>isFocusModeSupported(afMode: FocusMode): Promise<boolean>;             | 废弃     |
76| ohos.multimedia.camera | CameraInput          | getFocusMode(callback: AsyncCallback<FocusMode>): void;<br/>getFocusMode(): Promise<FocusMode>;                                                             | 废弃     |
77| ohos.multimedia.camera | CameraInput          | setFocusMode(afMode: FocusMode, callback: AsyncCallback<void>): void;<br/>setFocusMode(afMode: FocusMode): Promise<void>;                                   | 废弃     |
78| ohos.multimedia.camera | CameraInput          | setFocusPoint(point: Point, callback: AsyncCallback<void>): void;<br/>setFocusPoint(point: Point): Promise<void>;                                           | 废弃     |
79| ohos.multimedia.camera | CameraInput          | getFocusPoint(callback: AsyncCallback<Point>): void;<br/>getFocusPoint(): Promise<Point>;                                                                   | 废弃     |
80| ohos.multimedia.camera | CameraInput          | getFocalLength(callback: AsyncCallback<number>): void;<br/>getFocalLength(): Promise<number>;                                                               | 废弃     |
81| ohos.multimedia.camera | CameraInput          | getZoomRatioRange(callback: AsyncCallback<Array<number>>): void;<br/>getZoomRatioRange(): Promise<Array<number>>;                                           | 废弃     |
82| ohos.multimedia.camera | CameraInput          | getZoomRatio(callback: AsyncCallback<number>): void;<br/>getZoomRatio(): Promise<number>;                                                                   | 废弃     |
83| ohos.multimedia.camera | CameraInput          | setZoomRatio(zoomRatio: number, callback: AsyncCallback<void>): void;<br/>setZoomRatio(zoomRatio: number): Promise<void>;                                   | 废弃     |
84| ohos.multimedia.camera | CameraInput             | on(type: 'focusStateChange', callback: AsyncCallback<FocusState>): void; | 废弃     |
85| ohos.multimedia.camera | CameraInput             | on(type: 'exposureStateChange', callback: AsyncCallback<ExposureState>): void; | 废弃     |
86| ohos.multimedia.camera | CameraInput             | on(type: 'error', callback: ErrorCallback<CameraInputError>): void; | 废弃     |
87| ohos.multimedia.camera | CameraInputErrorCode    | ERROR_NO_PERMISSION = 0                                      | 新增     |
88| ohos.multimedia.camera | CameraInputErrorCode    | ERROR_DEVICE_PREEMPTED = 1                                   | 新增     |
89| ohos.multimedia.camera | CameraInputErrorCode    | ERROR_DEVICE_DISCONNECTED = 2                                | 新增     |
90| ohos.multimedia.camera | CameraInputErrorCode    | ERROR_DEVICE_IN_USE = 3                                      | 新增     |
91| ohos.multimedia.camera | CameraInputErrorCode    | ERROR_DRIVER_ERROR = 4                                       | 新增     |
92| ohos.multimedia.camera | CameraFormat            | CAMERA_FORMAT_RGBA_8888 = 3                                  | 新增     |
93| ohos.multimedia.camera | ExposureMode            | EXPOSURE_MODE_AUTO = 1                                       | 新增     |
94| ohos.multimedia.camera | ExposureMode            | EXPOSURE_MODE_CONTINUOUS_AUTO = 2                            | 新增     |
95| ohos.multimedia.camera | ExposureMode            | EXPOSURE_MODE_AUTO                                      | 废弃     |
96| ohos.multimedia.camera | ExposureMode            | EXPOSURE_MODE_CONTINUOUS_AUTO                          | 废弃     |
97| ohos.multimedia.camera | VideoStabilizationMode  | LOW = 1                                                      | 新增     |
98| ohos.multimedia.camera | VideoStabilizationMode  | MIDDLE = 2                                                   | 新增     |
99| ohos.multimedia.camera | VideoStabilizationMode  | HIGH = 3                                                     | 新增     |
100| ohos.multimedia.camera | VideoStabilizationMode  | AUTO = 4                                                     | 新增     |
101| ohos.multimedia.camera | VideoStabilizationMode  | LOW                                                    | 废弃     |
102| ohos.multimedia.camera | VideoStabilizationMode  | MIDDLE                                                 | 废弃     |
103| ohos.multimedia.camera | VideoStabilizationMode  | HIGH                                                     | 废弃     |
104| ohos.multimedia.camera | VideoStabilizationMode  | AUTO                                                     | 废弃     |
105| ohos.multimedia.camera | CaptureSession          | addOutput(cameraOutput: CameraOutput, callback: AsyncCallback<void>): void;<br/>addOutput(cameraOutput: CameraOutput): Promise<void>; | 新增     |
106| ohos.multimedia.camera | CaptureSession          | removeOutput(cameraOutput: CameraOutput, callback: AsyncCallback<void>): void;<br/>removeOutput(cameraOutput: CameraOutput): Promise<void>; | 新增     |
107| ohos.multimedia.camera | CaptureSession          | isVideoStabilizationModeSupported(vsMode: VideoStabilizationMode, callback: AsyncCallback<boolean>): void;<br/>isVideoStabilizationModeSupported(vsMode: VideoStabilizationMode): Promise<boolean>; | 新增     |
108| ohos.multimedia.camera | CaptureSession          | getActiveVideoStabilizationMode(callback: AsyncCallback<VideoStabilizationMode>): void;<br/>getActiveVideoStabilizationMode(): Promise<VideoStabilizationMode>; | 新增     |
109| ohos.multimedia.camera | CaptureSession          | setVideoStabilizationMode(mode: VideoStabilizationMode, callback: AsyncCallback<void>): void;<br/>setVideoStabilizationMode(mode: VideoStabilizationMode): Promise<void>; | 新增     |
110| ohos.multimedia.camera | CaptureSession          | on(type: 'focusStateChange', callback: AsyncCallback<FocusState>): void; | 新增     |
111| ohos.multimedia.camera | CaptureSession          | hasFlash(callback: AsyncCallback<boolean>): void;<br/>hasFlash(): Promise<boolean>;                                                                         | 新增     |
112| ohos.multimedia.camera | CaptureSession          | isFlashModeSupported(flashMode: FlashMode, callback: AsyncCallback<boolean>): void;<br/>isFlashModeSupported(flashMode: FlashMode): Promise<boolean>;       | 新增     |
113| ohos.multimedia.camera | CaptureSession          | getFlashMode(callback: AsyncCallback<FlashMode>): void;<br/>getFlashMode(): Promise<FlashMode>;                                                             | 新增     |
114| ohos.multimedia.camera | CaptureSession          | setFlashMode(flashMode: FlashMode, callback: AsyncCallback<void>): void;<br/>setFlashMode(flashMode: FlashMode): Promise<void>;                             | 新增     |
115| ohos.multimedia.camera | CaptureSession          | isExposureModeSupported(aeMode: ExposureMode, callback: AsyncCallback<boolean>): void;<br/>isExposureModeSupported(aeMode: ExposureMode): Promise<boolean>; | 新增     |
116| ohos.multimedia.camera | CaptureSession          | getExposureMode(callback: AsyncCallback<ExposureMode>): void;<br/>getExposureMode(): Promise<ExposureMode>;                                                 | 新增     |
117| ohos.multimedia.camera | CaptureSession          | setExposureMode(aeMode: ExposureMode, callback: AsyncCallback<void>): void;<br/>setExposureMode(aeMode: ExposureMode): Promise<void>;                       | 新增     |
118| ohos.multimedia.camera | CaptureSession          | getMeteringPoint(callback: AsyncCallback<Point>): void;<br/>getMeteringPoint(): Promise<Point>;                                                             | 新增     |
119| ohos.multimedia.camera | CaptureSession          | setMeteringPoint(point: Point, callback: AsyncCallback<void>): void;<br/>setMeteringPoint(point: Point): Promise<void>;                                     | 新增     |
120| ohos.multimedia.camera | CaptureSession          | getExposureBiasRange(callback: AsyncCallback<Array<number>>): void;<br/>getExposureBiasRange(): Promise<Array<number>>;                                     | 新增     |
121| ohos.multimedia.camera | CaptureSession          | setExposureBias(exposureBias: number, callback: AsyncCallback<void>): void;<br/>setExposureBias(exposureBias: number): Promise<void>;                       | 新增     |
122| ohos.multimedia.camera | CaptureSession          | getExposureValue(callback: AsyncCallback<number>): void;<br/>getExposureValue(): Promise<number>;                                                           | 新增     |
123| ohos.multimedia.camera | CaptureSession          | isFocusModeSupported(afMode: FocusMode, callback: AsyncCallback<boolean>): void;<br/>isFocusModeSupported(afMode: FocusMode): Promise<boolean>;             | 新增     |
124| ohos.multimedia.camera | CaptureSession          | getFocusMode(callback: AsyncCallback<FocusMode>): void;<br/>getFocusMode(): Promise<FocusMode>;                                                             | 新增     |
125| ohos.multimedia.camera | CaptureSession          | setFocusMode(afMode: FocusMode, callback: AsyncCallback<void>): void;<br/>setFocusMode(afMode: FocusMode): Promise<void>;                                   | 新增     |
126| ohos.multimedia.camera | CaptureSession          | setFocusPoint(point: Point, callback: AsyncCallback<void>): void;<br/>setFocusPoint(point: Point): Promise<void>;                                           | 新增     |
127| ohos.multimedia.camera | CaptureSession          | getFocusPoint(callback: AsyncCallback<Point>): void;<br/>getFocusPoint(): Promise<Point>;                                                                   | 新增     |
128| ohos.multimedia.camera | CaptureSession          | getFocalLength(callback: AsyncCallback<number>): void;<br/>getFocalLength(): Promise<number>;                                                               | 新增     |
129| ohos.multimedia.camera | CaptureSession          | getZoomRatioRange(callback: AsyncCallback<Array<number>>): void;<br/>getZoomRatioRange(): Promise<Array<number>>;                                           | 新增     |
130| ohos.multimedia.camera | CaptureSession          | getZoomRatio(callback: AsyncCallback<number>): void;<br/>getZoomRatio(): Promise<number>;                                                                   | 新增     |
131| ohos.multimedia.camera | CaptureSession          | setZoomRatio(zoomRatio: number, callback: AsyncCallback<void>): void;<br/>setZoomRatio(zoomRatio: number): Promise<void>;                                   | 新增     |
132| ohos.multimedia.camera | CaptureSession          | addOutput(previewOutput: PreviewOutput, callback: AsyncCallback<void>): void;<br/>addOutput(previewOutput: PreviewOutput): Promise<void>;<br/>addOutput(photoOutput: PhotoOutput, callback: AsyncCallback<void>): void;<br/>addOutput(photoOutput: PhotoOutput): Promise<void>;<br/>addOutput(videoOutput: VideoOutput, callback: AsyncCallback<void>): void;<br/>addOutput(videoOutput: VideoOutput): Promise<void>; | 废弃     |
133| ohos.multimedia.camera | CaptureSession          | removeOutput(previewOutput: PreviewOutput, callback: AsyncCallback<void>): void;<br/>removeOutput(previewOutput: PreviewOutput): Promise<void>;<br/>removeOutput(photoOutput: PhotoOutput, callback: AsyncCallback<void>): void;<br/>removeOutput(photoOutput: PhotoOutput): Promise<void>;removeOutput(videoOutput: VideoOutput, callback: AsyncCallback<void>): void;<br/>removeOutput(videoOutput: VideoOutput): Promise<void>;<br/>removeOutput(metadataOutput: MetadataOutput, callback: AsyncCallback<void>): void;<br/>removeOutput(metadataOutput: MetadataOutput): Promise<void>; | 废弃     |
134| ohos.multimedia.camera | CaptureSessionErrorCode | ERROR_INSUFFICIENT_RESOURCES = 0                             | 新增     |
135| ohos.multimedia.camera | CaptureSessionErrorCode | ERROR_TIMEOUT = 1                                            | 新增     |
136| ohos.multimedia.camera | CameraOutput            | release(callback: AsyncCallback<void>): void;<br/>release(): Promise<void>; | 新增     |
137| ohos.multimedia.camera | PreviewOutput           | start(callback: AsyncCallback<void>): void;<br/>start(): Promise<void>; | 新增     |
138| ohos.multimedia.camera | PreviewOutput           | stop(callback: AsyncCallback<void>): void;<br/>stop(): Promise<void>; | 新增     |
139| ohos.multimedia.camera | PreviewOutput           | release(callback: AsyncCallback<void>): void;<br/>release(): Promise<void>; | 废弃     |
140| ohos.multimedia.camera | PhotoOutput             | release(callback: AsyncCallback<void>): void;<br/>release(): Promise<void>; | 废弃     |
141| ohos.multimedia.camera | VideoOutput             | release(callback: AsyncCallback<void>): void;<br/>release(): Promise<void>; | 废弃     |
142| ohos.multimedia.camera | PhotoCaptureSetting     | mirror?: boolean;                                            | 新增     |
143| ohos.multimedia.camera | PhotoOutputErrorCode    | ERROR_DRIVER_ERROR = 0                                       | 新增     |
144| ohos.multimedia.camera | PhotoOutputErrorCode    | ERROR_INSUFFICIENT_RESOURCES = 1                             | 新增     |
145| ohos.multimedia.camera | PhotoOutputErrorCode    | ERROR_TIMEOUT = 2                                            | 新增     |
146| ohos.multimedia.camera | VideoOutputErrorCode    | ERROR_DRIVER_ERROR = 0                                       | 新增     |
147| ohos.multimedia.camera | MetadataObjectType      | FACE_DETECTION = 0                                           | 新增     |
148| ohos.multimedia.camera | MetadataObjectType      | FACE = 0                                                 | 废弃     |
149| ohos.multimedia.camera | MetadataOutput          | on(type: 'error', callback: ErrorCallback<MetadataOutputError>): void; | 新增     |
150| ohos.multimedia.camera | MetadataOutput      | setCapturingMetadataObjectTypes(metadataObjectTypes: Array<MetadataObjectType>, callback: AsyncCallback<void>): void;<br/>setCapturingMetadataObjectTypes(metadataObjectTypes: Array<MetadataObjectType>): Promise<void>;    | 废弃     |
151| ohos.multimedia.camera | MetadataOutput      | getSupportedMetadataObjectTypes(callback: AsyncCallback<Array<MetadataObjectType>>): void;<br/>getSupportedMetadataObjectTypes(): Promise<Array<MetadataObjectType>>;    | 废弃     |
152| ohos.multimedia.camera | MetadataOutputErrorCode | ERROR_UNKNOWN = -1                                           | 新增     |
153| ohos.multimedia.camera | MetadataOutputErrorCode | ERROR_INSUFFICIENT_RESOURCES = 0                             | 新增     |
154| ohos.multimedia.camera | MetadataOutputError     | code: MetadataOutputErrorCode;                              | 新增     |
155
156**适配指导**
157
158除新增接口，和废弃接口之外，开发者需要关注变更的接口的适配：
159
160从Beta4版本开始，对以下接口进行调整：
161
162**新增接口**
163
1641. Profile接口
165
166   属性1：readonly format，类型：CameraFormat;
167
168   属性2：readonly size，类型：Size;
169
1702. FrameRateRange接口
171
172   属性1：readonly min，类型：number;
173
174   属性2：readonly max，类型：number;
175
1763. VideoProfile接口，继承自Profile
177
178   属性：readonly frameRateRange，类型：FrameRateRange;
179
1804. CameraOutputCapability接口
181
182   属性1：readonly previewProfiles，类型：Array<Profile>;
183
184   属性2：readonly photoProfiles，类型：Array<Profile>;
185
186   属性3：readonly videoProfiles，类型：Array<VideoProfile>;
187
188   属性4：readonly supportedMetadataObjectTypes，类型：Array<MetadataObjectType>;
189
1905. CameraManager中新增
191
192   getSupportedOutputCapability(camera: CameraDevice, callback: AsyncCallback<CameraOutputCapability>): void;
193
194   getSupportedOutputCapability(camera: CameraDevice): Promise<CameraOutputCapability>;
195
196   参考代码如下：
197
198   ```
199   cameraManager.getSupportedCameras().then((cameras) => {
200       let cameraDevice = cameras[0];
201       cameraManager.getSupportedOutputCapability(cameraDevice, (err, CameraOutputCapability) => {
202           if (err) {
203               console.error(`Failed to get the outputCapability. ${err.message}`);
204               return;
205           }
206           console.log('Callback returned with an array of supported outputCapability');
207       })
208   })
209   ```
210
211   ```
212   cameraManager.getSupportedCameras().then((cameras) => {
213       let cameraDevice = cameras[0];
214       cameraManager.getSupportedOutputCapability(cameraDevice).then((cameraoutputcapability) => {
215           console.log('Promise returned with an array of supported outputCapability');
216       })
217   })
218   ```
219
2206. CameraManager中新增isCameraMuted(): boolean;
221
222   参考代码如下：
223
224   ```
225   let ismuted = cameraManager.isCameraMuted();
226   ```
227
2287. CameraManager中新增isCameraMuteSupported(): boolean;
229
230   参考代码如下：
231
232   ```
233   let ismutesuppotred = cameraManager.isCameraMuteSupported();
234   ```
235
2368. CameraManager中新增muteCamera(mute: boolean): void;
237
238   参考代码如下：
239
240   ```
241   let mute = true;
242   cameraManager.muteCamera(mute);
243   ```
244
2459. CameraManager中新增on(type: 'cameraMute', callback: AsyncCallback<boolean>): void;
246
247   参考代码如下：
248
249   ```
250   cameraManager.on('cameraMute', (err, curMuetd) => {
251       if (err) {
252           console.error(`Failed to get cameraMute callback. ${err.message}`);
253           return;
254       }
255   })
256   ```
257
25810. CameraInput中新增open(callback: AsyncCallback<void>): void;以及open(): Promise<void>;
259
260参考代码如下：
261
262```
263cameraInput.open((err) => {
264    if (err) {
265        console.error(`Failed to open the camera. ${err.message}`);
266        return;
267    }
268    console.log('Callback returned with camera opened.');
269})
270```
271
272```
273cameraInput.open().then(() => {
274    console.log('Promise returned with camera opened.');
275})
276```
277
27811. CameraInput中新增close(callback: AsyncCallback<void>): void;以及close(): Promise<void>;
279
280    参考代码如下：
281
282    ```
283    cameraInput.close((err) => {
284        if (err) {
285            console.error(`Failed to close the cameras. ${err.message}`);
286            return;
287        }
288        console.log('Callback returned with camera closed.');
289    })
290    ```
291
292    ```
293    cameraInput.close().then(() => {
294        console.log('Promise returned with camera closed.');
295    })
296    ```
297
29812. 枚举CameraInputErrorCode中新增
299
300    枚举值名称：ERROR_NO_PERMISSION，值：0;
301
302    枚举值名称：ERROR_DEVICE_PREEMPTED，值：1;
303
304    枚举值名称：ERROR_DEVICE_DISCONNECTED，值：2;
305
306    枚举值名称：ERROR_DEVICE_IN_USE，值：3;
307
308    枚举值名称：ERROR_DRIVER_ERROR，值：4;
309
31013. 枚举CameraFormat中新增
311
312    枚举值名称：CAMERA_FORMAT_RGBA_8888，值：3;
313
31414. CaptureSession中新增getMeteringPoint(callback: AsyncCallback<Point>): void;以及getMeteringPoint(): Promise<Point>;
315
316    参考代码如下：
317
318    ```
319    captureSession.getMeteringPoint((err, exposurePoint) => {
320        if (err) {
321            console.log(`Failed to get the current exposure point ${err.message}`);
322            return ;
323        }
324        console.log(`Callback returned with current exposure point: ${exposurePoint}`);
325    })
326    ```
327
328    ```
329    captureSession.getMeteringPoint().then((exposurePoint) => {
330        console.log(`Promise returned with current exposure point : ${exposurePoint}`);
331    })
332    ```
333
33415. CaptureSession中新增setMeteringPoint(point: Point, callback: AsyncCallback<void>): void;以及setMeteringPoint(point: Point): Promise<void>;
335
336    参考代码如下：
337
338    ```
339    const Point1 = {x: 1, y: 1};
340
341    captureSession.setMeteringPoint(Point1,(err) => {
342        if (err) {
343            console.log(`Failed to set the exposure point ${err.message}`);
344            return ;
345        }
346        console.log('Callback returned with the successful execution of setMeteringPoint');
347    })
348    ```
349
350    ```
351    const Point2 = {x: 2, y: 2};
352
353    captureSession.setMeteringPoint(Point2).then(() => {
354        console.log('Promise returned with the successful execution of setMeteringPoint');
355    })
356    ```
357
35816. 枚举CaptureSessionErrorCode中新增
359
360    枚举值名称：ERROR_INSUFFICIENT_RESOURCES，值：0;
361
362    枚举值名称：ERROR_TIMEOUT，值：1;
363
36417. 新增接口CameraOutput，接口下有release(callback: AsyncCallback<void>): void;以及release(): Promise<void>;方法
365
366    参考代码如下：用previewOutput做示例
367
368    ```
369    previewOutput.release((err) => {
370        if (err) {
371            console.error(`Failed to release the PreviewOutput instance ${err.message}`);
372            return;
373        }
374        console.log('Callback invoked to indicate that the PreviewOutput instance is released successfully.');
375    });
376    ```
377
378    ```
379    previewOutput.release().then(() => {
380        console.log('Promise returned to indicate that the PreviewOutput instance is released successfully.');
381    })
382    ```
383
38418. PreviewOutput中新增start(callback: AsyncCallback<void>): void;以及start(): Promise<void>;
385
386    参考代码如下
387
388    ```
389    previewOutput.start((err) => {
390        if (err) {
391            console.error(`Failed to start the previewOutput. ${err.message}`);
392            return;
393        }
394        console.log('Callback returned with previewOutput started.');
395    })
396    ```
397
398    ```
399    previewOutput.start().then(() => {
400        console.log('Promise returned with previewOutput started.');
401    })
402    ```
403
40419. PreviewOutput中新增stop(callback: AsyncCallback<void>): void;以及stop(): Promise<void>;
405
406    参考代码如下
407
408    ```
409    previewOutput.stop((err) => {
410        if (err) {
411            console.error(`Failed to stop the previewOutput. ${err.message}`);
412            return;
413        }
414        console.log('Callback returned with previewOutput stopped.');
415    })
416    ```
417
418    ```
419    previewOutput.stop().then(() => {
420        console.log('Callback returned with previewOutput stopped.');
421    })
422    ```
423
42420. PhotoCaptureSetting接口
425
426    属性1：mirror?，类型：boolean;
427
42821. 枚举PhotoOutputErrorCode中新增
429
430    枚举值名称：ERROR_DRIVER_ERROR，值：0;
431
432    枚举值名称：ERROR_INSUFFICIENT_RESOURCES，值：1;
433
434    枚举值名称：ERROR_TIMEOUT，值：2;
435
43622. 枚举VideoOutputErrorCode中新增
437
438    枚举值名称：ERROR_DRIVER_ERROR，值：0;
439
44023. MetadataOutput中新增on(type: 'error', callback: ErrorCallback<MetadataOutputError>): void;
441
442    参考代码如下
443
444    ```
445    metadataOutput.on('error', (metadataOutputError) => {
446        console.log(`Metadata output error code: ${metadataOutputError.code}`);
447    })
448    ```
449
45024. MetadataOutputErrorCode枚举
451
452    枚举值名称：ERROR_UNKNOWN，值：-1;
453
454    枚举值名称：ERROR_INSUFFICIENT_RESOURCES，值：0;
455
45625. MetadataOutputError接口
457
458    属性名称：code，值：MetadataOutputErrorCode
459
460**废弃接口**
461
4621. CameraInput中废弃接口on(type: 'exposureStateChange', callback: AsyncCallback<ExposureState>): void;
463
4642. previewOutput中废弃接口release(callback: AsyncCallback<void>): void;以及release(): Promise<void>;
465
4663. metadataOutput中废弃接口
467
468   setCapturingMetadataObjectTypes(metadataObjectTypes: Array<MetadataObjectType>, callback: AsyncCallback<void>): void;<br/>setCapturingMetadataObjectTypes(metadataObjectTypes: Array<MetadataObjectType>): Promise<void>;
469
4704. metadataOutput中废弃接口
471
472   getSupportedMetadataObjectTypes(callback: AsyncCallback<Array<MetadataObjectType>>): void;<br/>getSupportedMetadataObjectTypes(): Promise<Array<MetadataObjectType>>;
473
4745. PreviewOutput中废弃接口release(callback: AsyncCallback<void>): void;以及release(): Promise<void>;
475
4766. PhotoOutput中废弃接口release(callback: AsyncCallback<void>): void;以及release(): Promise<void>;
477
4787. VideoOutput中废弃接口release(callback: AsyncCallback<void>): void;以及release(): Promise<void>;
479
4808. CameraInput中废弃接口getCameraId(callback: AsyncCallback<string>): void;以及getCameraId(): Promise<string>;
481
4829. CameraInput中废弃接口getExposurePoint(callback: AsyncCallback<Point>): void;以及getExposurePoint(): Promise<Point>;
483
48410. CameraInput中废弃接口setExposurePoint(exposurePoint: Point, callback: AsyncCallback<void>): void;以及setExposurePoint(exposurePoint: Point): Promise<void>;
485
486**接口变更**
487
4881. CameraManager中接口getCameras返回值由Array<Camera>变更为Array<CameraDevice>，接口名由getCameras 更换为 getSupportedCameras，因此旧接口getCameras(callback: AsyncCallback<Array<Camera>>): void;以及getCameras(): Promise<Array<Camera>>;变更为getSupportedCameras(callback: AsyncCallback<Array<CameraDevice>>): void和getSupportedCameras(): Promise<Array<CameraDevice>>;
489
490   参考代码如下：
491
492   ```
493   cameraManager.getSupportedCameras((err, cameras) => {
494       if (err) {
495           console.error(`Failed to get the cameras. ${err.message}`);
496           return;
497       }
498       console.log(`Callback returned with an array of supported cameras: ${cameras.length}`);
499   })
500   ```
501
502   ```
503   cameraManager.getSupportedCameras().then((cameras) => {
504       console.log(`Promise returned with an array of supported cameras: ${cameras.length}`);
505   })
506   ```
507
5082. CameraManager中接口createCameraInput传递参数由原来cameraId: string变更为camera: CameraDevice，因此旧接口createCameraInput(cameraId: string, callback: AsyncCallback<CameraInput>): void;以及createCameraInput(cameraId: string): Promise<CameraInput>;变更为createCameraInput(camera: CameraDevice, callback: AsyncCallback<CameraInput>): void;和createCameraInput(camera: CameraDevice): Promise<CameraInput>;
509
510   参考代码如下：
511
512   ```
513   let cameraDevice = cameras[0];
514   cameraManager.createCameraInput(cameraDevice, (err, cameraInput) => {
515       if (err) {
516           console.error(`Failed to create the CameraInput instance. ${err.message}`);
517           return;
518       }
519       console.log('Callback returned with the CameraInput instance.');
520   })
521   ```
522
523   ```
524   let cameraDevice = cameras[0];
525   cameraManager.createCameraInput(cameraDevice).then((cameraInput) => {
526       console.log('Promise returned with the CameraInput instance');
527   })
528   ```
529
5303. CameraManager中接口createPreviewOutput新增传递参数profile: Profile，profile参数由getSupportedOutputCapability接口获取，因此旧接口createPreviewOutput(surfaceId: string, callback: AsyncCallback<PreviewOutput>): void;以及createPreviewOutput(surfaceId: string): Promise<PreviewOutput>;变更为createPreviewOutput(profile: Profile, surfaceId: string, callback: AsyncCallback<PreviewOutput>): void;createPreviewOutput(profile: Profile, surfaceId: string): Promise<PreviewOutput>;
531
532   参考代码如下：
533
534   ```
535   let profile = cameraoutputcapability.previewProfiles[0];
536   cameraManager.createPreviewOutput(profile, surfaceId, (err, previewOutput) => {
537       if (err) {
538           console.error(`Failed to gcreate previewOutput. ${err.message}`);
539           return;
540       }
541       console.log('Callback returned with previewOutput created.');
542   })
543   ```
544
545   ```
546   let profile = cameraoutputcapability.previewProfiles[0];
547   cameraManager.createPreviewOutput(profile, surfaceId).then((previewOutput) => {
548       console.log('Promise returned with previewOutput created.');
549   })
550   ```
551
5524. CameraManager中接口createPhotoOutput新增传递参数profile: Profile，profile参数由getSupportedOutputCapability接口获取，因此旧接口CreatePhotoOutput(surfaceId: string, callback: AsyncCallback<PhotoOutput>): void;以及CreatePhotoOutput(surfaceId: string): Promise<PhotoOutput>;变更为createPhotoOutput(profile: Profile, surfaceId: string, callback: AsyncCallback<PhotoOutput>): void;和createPhotoOutput(profile: Profile, surfaceId: string): Promise<PhotoOutput>;
553
554   参考代码如下：
555
556   ```
557   let profile = cameraoutputcapability.photoProfiles[0];
558   cameraManager.createPhotoOutput(profile, surfaceId, (err, photoOutput) => {
559       if (err) {
560           console.error(`Failed to create photoOutput. ${err.message}`);
561           return;
562       }
563       console.log('Callback returned with photoOutput created.');
564   })
565   ```
566
567   ```
568   let profile = cameraoutputcapability.photoProfiles[0];
569   cameraManager.createPhotoOutput(profile, surfaceId).then((photoOutput) => {
570       console.log('Promise returned with photoOutput created.');
571   })
572   ```
573
5745. CameraManager中接口createVideoOutput新增传递参数profile: Profile，profile参数由getSupportedOutputCapability接口获取，因此旧接口createVideoOutput(surfaceId: string, callback: AsyncCallback<VideoOutput>): void;以及createVideoOutput(surfaceId: string): Promise<VideoOutput>;变更为createVideoOutput(profile: VideoProfile, surfaceId: string, callback: AsyncCallback<VideoOutput>): void;和createVideoOutput(profile: VideoProfile, surfaceId: string): Promise<VideoOutput>;
575
576   参考代码如下：
577
578   ```
579   let profile = cameraoutputcapability.videoProfiles[0];
580   cameraManager.createVideoOutput(profile, surfaceId, (err, videoOutput) => {
581       if (err) {
582           console.error(`Failed to create videoOutput. ${err.message}`);
583           return;
584       }
585       console.log('Callback returned with an array of supported outputCapability' );
586   })
587   ```
588
589   ```
590   let profile = cameraoutputcapability.videoProfiles[0];
591   cameraManager.createVideoOutput(profile, surfaceId).then((videoOutput) => {
592       console.log('Promise returned with videoOutput created.');
593   })
594   ```
595
5966. CameraManager中接口createMetadataOutput新增传递参数metadataObjectTypes: Array<MetadataObjectType>,metadataObjectTypes参数由getSupportedOutputCapability接口获取，因此旧接口function createMetadataOutput(callback: AsyncCallback<MetadataOutput>): void;以及function createMetadataOutput(): Promise<MetadataOutput>;变更为createMetadataOutput(metadataObjectTypes: Array<MetadataObjectType>, callback: AsyncCallback<MetadataOutput>): void;和createMetadataOutput(metadataObjectTypes: Array<MetadataObjectType>): Promise<MetadataOutput>;
597
598   参考代码如下：
599
600   ```
601   let metadataObjectTypes = cameraoutputcapability.supportedMetadataObjectTypes;
602   cameraManager.createMetadataOutput(metadataObjectTypes, (err, metadataOutput) => {
603       if (err) {
604           console.error(`Failed to create metadataOutput. ${err.message}`);
605           return;
606       }
607       console.log('Callback returned with metadataOutput created.');
608   })
609   ```
610
611   ```
612   let metadataObjectTypes = cameraoutputcapability.supportedMetadataObjectTypes;
613   cameraManager.createMetadataOutput(metadataObjectTypes).then((metadataOutput) => {
614       console.log('Promise returned with metadataOutput created.');
615   })
616   ```
617
6187. CameraManager中createCaptureSession不需要考虑context属性，因此旧接口createCaptureSession(context: Context, callback: AsyncCallback<CaptureSession>): void;以及createCaptureSession(context: Context): Promise<CaptureSession>;改为createCaptureSession(callback: AsyncCallback<CaptureSession>): void;和createCaptureSession(): Promise<CaptureSession>;
619
620   参考代码如下：
621
622   ```typescript
623   cameraManager.createCaptureSession((err, captureSession) => {
624       if (err) {
625           console.error(`Failed to create captureSession. ${err.message}`);
626           return;
627       }
628       console.log('Callback returned with captureSession created.');
629   })
630   ```
631
632   ```
633   cameraManager.createCaptureSession().then((captureSession) => {
634       console.log('Promise returned with captureSession created.');
635   })
636   ```
637
6388. CameraStatusInfo接口下属性camera类型由Camera变更为CameraDevice
639
6409. CameraInput中接口on(type: 'error'）新增传递参数camera: CameraDevice，因此旧接口on(type: 'error', callback: ErrorCallback<CameraInputError>): void;变更为on(type: 'error', camera: CameraDevice, callback: ErrorCallback<CameraInputError>): void;
641
642   参考代码如下：
643
644   ```
645   let cameraDevice = cameras[0];
646   cameraInput.on('error', cameraDevice, (cameraInputError) => {
647       console.log(`Camera input error code: ${cameraInputError.code}`);
648   })
649   ```
650
65110. CameraInput中以下接口调整到CaptureSession中
652
653    hasFlash(callback: AsyncCallback<boolean>): void;<br/>hasFlash(): Promise<boolean>;<br/>
654
655    isFlashModeSupported(flashMode: FlashMode, callback: AsyncCallback<boolean>): void;<br/>isFlashModeSupported(flashMode: FlashMode): Promise<boolean>;<br/>
656
657    getFlashMode(callback: AsyncCallback<FlashMode>): void;<br/>getFlashMode(): Promise<FlashMode>;<br/>
658
659    setFlashMode(flashMode: FlashMode, callback: AsyncCallback<void>): void;<br/>setFlashMode(flashMode: FlashMode): Promise<void>;<br/>
660
661    isExposureModeSupported(aeMode: ExposureMode, callback: AsyncCallback<boolean>): void;<br/>isExposureModeSupported(aeMode: ExposureMode): Promise<boolean>;<br/>
662
663    getExposureMode(callback: AsyncCallback<ExposureMode>): void;<br/>getExposureMode(): Promise<ExposureMode>;<br/>
664
665    setExposureMode(aeMode: ExposureMode, callback: AsyncCallback<void>): void;<br/>setExposureMode(aeMode: ExposureMode): Promise<void>;<br/>
666
667    getMeteringPoint(callback: AsyncCallback<Point>): void;<br/>getMeteringPoint(): Promise<Point>;<br/>
668
669    setMeteringPoint(point: Point, callback: AsyncCallback<void>): void;<br/>setMeteringPoint(point: Point): Promise<void>;<br/>
670
671    getExposureBiasRange(callback: AsyncCallback<Array<number>>): void;<br/>getExposureBiasRange(): Promise<Array<number>>;<br/>
672
673    setExposureBias(exposureBias: number, callback: AsyncCallback<void>): void;<br/>setExposureBias(exposureBias: number): Promise<void>;<br/>
674
675    getExposureValue(callback: AsyncCallback<number>): void;<br/>getExposureValue(): Promise<number>;<br/>
676
677    isFocusModeSupported(afMode: FocusMode, callback: AsyncCallback<boolean>): void;<br/>isFocusModeSupported(afMode: FocusMode): Promise<boolean>;<br/>
678
679    getFocusMode(callback: AsyncCallback<FocusMode>): void;<br/>getFocusMode(): Promise<FocusMode>;<br/>
680
681    setFocusMode(afMode: FocusMode, callback: AsyncCallback<void>): void;<br/>setFocusMode(afMode: FocusMode): Promise<void>;<br/>
682
683    setFocusPoint(point: Point, callback: AsyncCallback<void>): void;<br/>setFocusPoint(point: Point): Promise<void>;<br/>
684
685    getFocusPoint(callback: AsyncCallback<Point>): void;<br/>getFocusPoint(): Promise<Point>;<br/>
686
687    getFocalLength(callback: AsyncCallback<number>): void;<br/>getFocalLength(): Promise<number>;<br/>
688
689    getZoomRatioRange(callback: AsyncCallback<Array<number>>): void;<br/>getZoomRatioRange(): Promise<Array<number>>;<br/>
690
691    getZoomRatio(callback: AsyncCallback<number>): void;<br/>getZoomRatio(): Promise<number>;<br/>
692
693    setZoomRatio(zoomRatio: number, callback: AsyncCallback<void>): void;<br/>setZoomRatio(zoomRatio: number): Promise<void>;
694
69511. CameraInput中接口on(type: 'focusStateChange', callback: AsyncCallback<FocusState>): void;调整到CaptureSession中，对应接口on(type: 'focusStateChange', callback: AsyncCallback<FocusState>): void;
696
697    参考代码如下：
698
699    ```
700    captureSession.on('focusStateChange', (focusState) => {
701        console.log(`Focus state  : ${focusState}`);
702    })
703    ```
704
70512. 枚举ExposureMode中
706
707    枚举值名称：EXPOSURE_MODE_AUTO，初值由默认变更为1;
708
709    枚举值名称：EXPOSURE_MODE_CONTINUOUS_AUTO，初值由默认变更为2;
710
71113. 枚举VideoStabilizationMode中
712
713    枚举值名称：LOW，初值由默认变更为1;
714
715    枚举值名称：MIDDLE，初值由默认变更为2;
716
717    枚举值名称：HIGH，初值由默认变更为3;
718
719    枚举值名称：AUTO，初值由默认变更为4;
720
72114. CaptureSession中接口addOutput参数由原来子类类型（PreviewOutput，PhotoOutput，VideoOutput，MetadataOutput）统一修改为基类类型（CameraOutput），变更后由原来8个接口缩减为2个接口。
722
723    改变前接口为：
724
725    addOutput(previewOutput: PreviewOutput, callback: AsyncCallback<void>): void;<br/>addOutput(previewOutput: PreviewOutput): Promise<void>;<br/>addOutput(photoOutput: PhotoOutput, callback: AsyncCallback<void>): void;<br/>addOutput(photoOutput: PhotoOutput): Promise<void>;<br/>addOutput(videoOutput: VideoOutput, callback: AsyncCallback<void>): void;<br/>addOutput(videoOutput: VideoOutput): Promise<void>;<br/>addOutput(metadataOutput: MetadataOutput, callback: AsyncCallback<void>): void;<br/>addOutput(metadataOutput: MetadataOutput): Promise<void>;
726
727    改变后接口为：
728
729    addOutput(cameraOutput: CameraOutput, callback: AsyncCallback<void>): void;<br/>addOutput(cameraOutput: CameraOutput): Promise<void>;
730
731    参考代码如下：以PreviewOutput为例
732
733    ```
734    captureSession.addOutput(previewOutput, (err) => {
735        if (err) {
736            console.error(`Failed to add output. ${err.message}`);
737            return;
738        }
739        console.log('Callback returned with output added.');
740    })
741    ```
742
743    ```
744    captureSession.addOutput(previewOutput).then(() => {
745        console.log('Promise returned with cameraOutput added.');
746    })
747    ```
748
74915. CaptureSession中接口removeOutput参数由原来子类类型（PreviewOutput，PhotoOutput，VideoOutput，MetadataOutput）统一修改为基类类型（CameraOutput），变更后由原来8个接口缩减为2个接口。
750
751    改变前接口为：
752
753    removeOutput(previewOutput: PreviewOutput, callback: AsyncCallback<void>): void;<br/>removeOutput(previewOutput: PreviewOutput): Promise<void>;<br/>removeOutput(photoOutput: PhotoOutput, callback: AsyncCallback<void>): void;<br/>removeOutput(photoOutput: PhotoOutput): Promise<void>;<br/>removeOutput(videoOutput: VideoOutput, callback: AsyncCallback<void>): void;<br/>removeOutput(videoOutput: VideoOutput): Promise<void>;<br/>removeOutput(metadataOutput: MetadataOutput, callback: AsyncCallback<void>): void;<br/>removeOutput(metadataOutput: MetadataOutput): Promise<void>;
754
755    改变后接口为：
756
757    removeOutput(cameraOutput: CameraOutput, callback: AsyncCallback<void>): void;<br/>removeOutput(cameraOutput: CameraOutput): Promise<void>;
758
759    参考代码如下：以PreviewOutput为例
760
761    ```
762    captureSession.removeOutput(previewOutput, (err) => {
763        if (err) {
764            console.error(`Failed to remove the CameraOutput instance. ${err.message}`);
765            return;
766        }
767        console.log('Callback invoked to indicate that the CameraOutput instance is removed.');
768    });
769    ```
770
771    ```
772    captureSession.removeOutput(previewOutput).then(() => {
773        console.log('Promise returned to indicate that the CameraOutput instance is removed.');
774    })
775    ```
776
77716. 枚举MetadataObjectType中
778
779    枚举值名称由FACE变更为FACE_DETECTION;
780
78117. 接口Camera名称更改为CameraDevice
782