harmony 鸿蒙camera_input.h
camera_input.h
Overview
The camera_input.h file declares the camera input concepts.
Library: libohcamera.so
File to include: <ohcamera/camera_input.h>
System capability: SystemCapability.Multimedia.Camera.Core
Since: 11
Related module: OH_Camera
Summary
Structs
| Name | Description |
|---|---|
| struct CameraInput_Callbacks | Describes the callbacks used to listen for camera input errors. |
Types
| Name | Description |
|---|---|
| typedef struct Camera_Input Camera_Input | Defines a struct for the camera input object. |
| typedef void(* OH_CameraInput_OnError) (const Camera_Input *cameraInput, Camera_ErrorCode errorCode) | Defines the pointer to the callback defined in the CameraInput_Callbacks struct and used to report camera input errors. |
| typedef struct CameraInput_Callbacks CameraInput_Callbacks | Defines a struct for the callbacks used to listen for camera input errors. |
Functions
| Name | Description |
|---|---|
| Camera_ErrorCode OH_CameraInput_RegisterCallback (Camera_Input *cameraInput, CameraInput_Callbacks *callback) | Registers a callback to listen for camera input events. |
| Camera_ErrorCode OH_CameraInput_UnregisterCallback (Camera_Input *cameraInput, CameraInput_Callbacks *callback) | Unregisters the callback used to listen for camera input events. |
| Camera_ErrorCode OH_CameraInput_Open (Camera_Input *cameraInput) | Opens a camera. |
| Camera_ErrorCode OH_CameraInput_OpenSecureCamera (Camera_Input *cameraInput, uint64_t *secureSeqId) | Opens a camera in secure mode. |
| Camera_ErrorCode OH_CameraInput_OpenConcurrentCameras (Camera_Input *cameraInput, Camera_ConcurrentType type) | Opens the camera based on the specified concurrency type. |
| Camera_ErrorCode OH_CameraInput_Close (Camera_Input *cameraInput) | Closes a camera. |
| Camera_ErrorCode OH_CameraInput_Release (Camera_Input *cameraInput) | Releases a CameraInput instance. This function has the same capability as OH_CameraInput_Close. Therefore, you do not need to call OH_CameraInput_Close after calling this function. |
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