harmony 鸿蒙camera_manager.h

2025-06-12
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camera_manager.h

概述

声明相机管理器的概念。

库： libohcamera.so

引用文件：<ohcamera/camera_manager.h>

系统能力： SystemCapability.Multimedia.Camera.Core

起始版本： 11

相关模块：OH_Camera

汇总

结构体

名称	描述
struct CameraManager_Callbacks	相机设备状态的回调。

类型定义

名称	描述
typedef void(* OH_CameraManager_StatusCallback) (Camera_Manager cameraManager, Camera_StatusInfo status)	在CameraManager_Callbacks中被调用的相机管理器状态回调。
typedef void(* OH_CameraManager_TorchStatusCallback) (Camera_Manager cameraManager, Camera_TorchStatusInfo status)	手电筒状态变化回调。
typedef struct CameraManager_Callbacks CameraManager_Callbacks	相机设备状态的回调。

函数

名称	描述
Camera_ErrorCode OH_CameraManager_RegisterCallback (Camera_Manager cameraManager, CameraManager_Callbacks callback)	注册相机状态更改事件回调。
Camera_ErrorCode OH_CameraManager_UnregisterCallback (Camera_Manager cameraManager, CameraManager_Callbacks callback)	注销摄像机状态更改事件回调。
Camera_ErrorCode OH_CameraManager_RegisterTorchStatusCallback (Camera_Manager *cameraManager, OH_CameraManager_TorchStatusCallback torchStatusCallback)	注册手电筒状态变更事件回调。
Camera_ErrorCode OH_CameraManager_UnregisterTorchStatusCallback (Camera_Manager *cameraManager, OH_CameraManager_TorchStatusCallback torchStatusCallback)	注销手电筒状态变更事件回调。
Camera_ErrorCode OH_CameraManager_GetSupportedCameras (Camera_Manager cameraManager, Camera_Device cameras, uint32_t size)	获取支持指定的相机设备对象。
Camera_ErrorCode OH_CameraManager_DeleteSupportedCameras (Camera_Manager cameraManager, Camera_Device cameras, uint32_t size)	删除支持的相机。
Camera_ErrorCode OH_CameraManager_GetSupportedCameraOutputCapability (Camera_Manager cameraManager, const Camera_Device camera, Camera_OutputCapability **cameraOutputCapability)	查询指定相机在指定模式下支持的输出能力。
Camera_ErrorCode OH_CameraManager_GetSupportedCameraOutputCapabilityWithSceneMode (Camera_Manager cameraManager, const Camera_Device camera, Camera_SceneMode sceneMode, Camera_OutputCapability **cameraOutputCapability)	查询指定相机在指定模式下支持的输出能力。
Camera_ErrorCode OH_CameraManager_DeleteSupportedCameraOutputCapability (Camera_Manager cameraManager, Camera_OutputCapability cameraOutputCapability)	删除支持的输出功能。
Camera_ErrorCode OH_CameraManager_IsCameraMuted (Camera_Manager cameraManager, bool isCameraMuted)	确定相机是否静音。
Camera_ErrorCode OH_CameraManager_CreateCaptureSession (Camera_Manager cameraManager, Camera_CaptureSession *captureSession)	创建捕获会话实例。
Camera_ErrorCode OH_CameraManager_CreateCameraInput (Camera_Manager cameraManager, const Camera_Device camera, Camera_Input **cameraInput)	创建相机输入实例。
Camera_ErrorCode OH_CameraManager_CreateCameraInput_WithPositionAndType (Camera_Manager cameraManager, Camera_Position position, Camera_Type type, Camera_Input *cameraInput)	创建具有位置和类型的相机输入实例。
Camera_ErrorCode OH_CameraManager_CreatePreviewOutput (Camera_Manager cameraManager, const Camera_Profile profile, const char surfaceId, Camera_PreviewOutput *previewOutput)	创建预览输出实例。
Camera_ErrorCode OH_CameraManager_CreatePreviewOutputUsedInPreconfig (Camera_Manager cameraManager, const char surfaceId, Camera_PreviewOutput **previewOutput)	创建在预配置流中使用的预览输出实例。
Camera_ErrorCode OH_CameraManager_CreatePhotoOutput (Camera_Manager cameraManager, const Camera_Profile profile, const char surfaceId, Camera_PhotoOutput *photoOutput)	创建一个拍照输出实例。
Camera_ErrorCode OH_CameraManager_CreatePhotoOutputUsedInPreconfig (Camera_Manager cameraManager, const char surfaceId, Camera_PhotoOutput **photoOutput)	创建在预配置流中使用的照片输出实例。
Camera_ErrorCode OH_CameraManager_CreatePhotoOutputWithoutSurface (Camera_Manager cameraManager, const Camera_Profile profile, Camera_PhotoOutput **photoOutput)	创建照片输出实例，调用此函数不需要surfaceId。
Camera_ErrorCode OH_CameraManager_CreateVideoOutput (Camera_Manager cameraManager, const Camera_VideoProfile profile, const char surfaceId, Camera_VideoOutput *videoOutput)	创建一个录像输出实例。
Camera_ErrorCode OH_CameraManager_CreateVideoOutputUsedInPreconfig (Camera_Manager cameraManager, const char surfaceId, Camera_VideoOutput **videoOutput)	创建在预配置流中使用的视频输出实例。
Camera_ErrorCode OH_CameraManager_CreateMetadataOutput (Camera_Manager cameraManager, const Camera_MetadataObjectType profile, Camera_MetadataOutput **metadataOutput)	创建元数据输出实例。
Camera_ErrorCode OH_CameraManager_GetSupportedSceneModes (Camera_Device camera, Camera_SceneMode sceneModes, uint32_t size)	获取特定摄影机支持的场景模式。
Camera_ErrorCode OH_CameraManager_DeleteSceneModes (Camera_Manager cameraManager, Camera_SceneMode sceneModes)	删除场景模式。
Camera_ErrorCode OH_CameraManager_IsTorchSupported (Camera_Manager cameraManager, bool isTorchSupported)	检查设备是否支持手电筒。
Camera_ErrorCode OH_CameraManager_IsTorchSupportedByTorchMode (Camera_Manager cameraManager, Camera_TorchMode torchMode, bool isTorchSupported)	检查设备是否支持指定的手电筒模式。
Camera_ErrorCode OH_CameraManager_SetTorchMode (Camera_Manager *cameraManager, Camera_TorchMode torchMode)	设置相机手电筒模式。
Camera_ErrorCode OH_CameraManager_GetCameraDevice (Camera_Manager cameraManager, Camera_Position position, Camera_Type type, Camera_Device camera)	根据相机位置和相机类型查询指定的相机。
Camera_ErrorCode OH_CameraManager_GetCameraConcurrentInfos (Camera_Manager cameraManager, const Camera_Device camera, uint32_t deviceSize, Camera_ConcurrentInfo *cameraConcurrentInfo, uint32_t infoSize)	获取指定相机的并发信息，返回空表示不支持并发。