camera callback event modify

Signed-off-by: Nmali <mali81@huawei.com>

zh-cn/application-dev/media/camera-device-input.md

@@ -75,7 +75,7 @@
   通过注册cameraStatus事件，通过回调返回监听结果，callback返回CameraStatusInfo参数，参数的具体内容可参考相机管理器回调接口实例[CameraStatusInfo](../reference/apis/js-apis-camera.md#camerastatusinfo)。
   
 ```ts
-cameraManager.on('cameraStatus', (cameraStatusInfo) => {
+cameraManager.on('cameraStatus', (err, cameraStatusInfo) => {
   console.info(`camera: ${cameraStatusInfo.camera.cameraId}`);
   console.info(`status: ${cameraStatusInfo.status}`);
 })

zh-cn/application-dev/media/camera-metadata.md

@@ -48,7 +48,7 @@ Metadata主要是通过一个TAG（Key），去找对应的Data，用于传递
 - 通过注册监听获取metadata对象，监听事件固定为metadataObjectsAvailable。检测到有效metadata数据时，callback返回相应的metadata数据信息，metadataOutput创建成功时可监听。
     
   ```ts
-  metadataOutput.on('metadataObjectsAvailable', (metadataObjectArr) => {
+  metadataOutput.on('metadataObjectsAvailable', (err, metadataObjectArr) => {
       console.info(`metadata output metadataObjectsAvailable`);
   })
   ```
@@ -60,7 +60,7 @@ Metadata主要是通过一个TAG（Key），去找对应的Data，用于传递
 - 通过注册回调函数，获取监听metadata流的错误结果，callback返回metadata输出接口使用错误时返回的错误码，错误码类型参见[CameraErrorCode](../reference/apis/js-apis-camera.md#cameraerrorcode)。
     
   ```ts
-  metadataOutput.on('error', (metadataOutputError) => {
+  metadataOutput.on('error', (err, metadataOutputError) => {
       console.info(`Metadata output error code: ${metadataOutputError.code}`);
   })
   ```

zh-cn/application-dev/media/camera-recording-case.md

@@ -22,7 +22,7 @@ if (!cameraManager) {
 } 
 
 // 监听相机状态变化
-cameraManager.on('cameraStatus', (cameraStatusInfo) => {
+cameraManager.on('cameraStatus', (err, cameraStatusInfo) => {
     console.log(`camera : ${cameraStatusInfo.camera.cameraId}`);
     console.log(`status: ${cameraStatusInfo.status}`);
 })

zh-cn/application-dev/media/camera-shooting-case.md

@@ -21,7 +21,7 @@ if (!cameraManager) {
     return;
 } 
 // 监听相机状态变化
-cameraManager.on('cameraStatus', (cameraStatusInfo) => {
+cameraManager.on('cameraStatus', (err, cameraStatusInfo) => {
     console.info(`camera : ${cameraStatusInfo.camera.cameraId}`);
     console.info(`status: ${cameraStatusInfo.status}`);
 })

zh-cn/application-dev/media/camera-shooting.md

@@ -136,7 +136,7 @@
 - 通过注册固定的captureStart回调函数获取监听拍照开始结果，photoOutput创建成功时即可监听，拍照第一次曝光时触发，该事件返回此次拍照的captureId。
     
   ```ts
-  photoOutput.on('captureStart', (captureId) => {
+  photoOutput.on('captureStart', (err, captureId) => {
       console.info(`photo capture stated, captureId : ${captureId}`);
   })
   ```
@@ -144,7 +144,7 @@
 - 通过注册固定的captureEnd回调函数获取监听拍照结束结果，photoOutput创建成功时即可监听，该事件返回结果为拍照完全结束后的相关信息[CaptureEndInfo](../reference/apis/js-apis-camera.md#captureendinfo)。
     
   ```ts
-  photoOutput.on('captureEnd', (captureEndInfo) => {
+  photoOutput.on('captureEnd', (err, captureEndInfo) => {
       console.info(`photo capture end, captureId : ${captureEndInfo.captureId}`);
       console.info(`frameCount : ${captureEndInfo.frameCount}`);
   })

zh-cn/application-dev/reference/apis/js-apis-camera.md

@@ -576,7 +576,7 @@ on(type: 'cameraMute', callback: AsyncCallback\<boolean\>): void
 **示例：**
 
 ```js
-cameraManager.on('cameraMute', (curMuetd) => {
+cameraManager.on('cameraMute', (err, curMuetd) => {
     let isMuted = curMuetd;
 })
 ```
@@ -2283,7 +2283,7 @@ on(type: 'focusStateChange', callback: AsyncCallback\<FocusState\>): void
 **示例：**
 
 ```js
-captureSession.on('focusStateChange', (focusState) => {
+captureSession.on('focusStateChange', (err, focusState) => {
     console.log(`Focus state  : ${focusState}`);
 })
 ```
@@ -2885,7 +2885,7 @@ on(type: 'captureStart', callback: AsyncCallback\<number\>): void
 **示例：**
 
 ```js
-photoOutput.on('captureStart', (captureId) => {
+photoOutput.on('captureStart', (err, captureId) => {
     console.log(`photo capture stated, captureId : ${captureId}`);
 })
 ```
@@ -2908,7 +2908,7 @@ on(type: 'frameShutter', callback: AsyncCallback\<FrameShutterInfo\>): void
 **示例：**
 
 ```js
-photoOutput.on('frameShutter', (frameShutterInfo) => {
+photoOutput.on('frameShutter', (err, frameShutterInfo) => {
     console.log(`photo capture end, captureId : ${frameShutterInfo.captureId}`);
     console.log(`Timestamp for frame : ${frameShutterInfo.timestamp}`);
 })
@@ -2932,7 +2932,7 @@ on(type: 'captureEnd', callback: AsyncCallback\<CaptureEndInfo\>): void
 **示例：**
 
 ```js
-photoOutput.on('captureEnd', (captureEndInfo) => {
+photoOutput.on('captureEnd', (err, captureEndInfo) => {
     console.log(`photo capture end, captureId : ${captureEndInfo.captureId}`);
     console.log(`frameCount : ${captureEndInfo.frameCount}`);
 })
@@ -3380,7 +3380,7 @@ on(type: 'metadataObjectsAvailable', callback: AsyncCallback\<Array\<MetadataObj
 **示例：**
 
 ```js
-metadataOutput.on('metadataObjectsAvailable', (metadataObjectArr) => {
+metadataOutput.on('metadataObjectsAvailable', (err, metadataObjectArr) => {
     console.log(`metadata output metadataObjectsAvailable`);
 })
 ```
@@ -3403,7 +3403,7 @@ on(type: 'error', callback: ErrorCallback\<BusinessError\>): void
 **示例：**
 
 ```js
-metadataOutput.on('error', (metadataOutputError) => {
+metadataOutput.on('error', (err, metadataOutputError) => {
     console.log(`Metadata output error code: ${metadataOutputError.code}`);
 })
 ```