MultiMedia_CameraAbility

Overview

Defines the camera capability set for applications to achieve and access the capabilities.

Since:

1.0

Version:

1.0

Summary

Files

File Name Description
camera_ability.h Declares functions of the CameraAbility class.

Data Structures

Data Structure Name Description
OHOS::Media::CameraAbility Declares functions of the CameraAbility class.

Functions

Function Name Description
OHOS::Media::CameraAbility::CameraAbility () A constructor used to create a CameraAbility instance.
OHOS::Media::CameraAbility::~CameraAbility () virtual A destructor used to delete the CameraAbility instance.
OHOS::Media::CameraAbility::GetSupportedSizes (int format) const std::list< CameraPicSize > Obtains the supported image sizes for a specified image format.
Sets value ranges for a specified parameter.
Obtains the parameter value range based on a specified parameter key.

Details

Function Documentation

CameraAbility()


1. OHOS::Media::CameraAbility::CameraAbility ()

Description:

A constructor used to create a CameraAbility instance.

GetParameterRange()


1. std::list<T> OHOS::Media::CameraAbility::GetParameterRange (uint32_t key) const

Description:

Obtains the parameter value range based on a specified parameter key.

Parameters:

Name Description
key Indicates the parameter key.

Returns:

Returns the parameter value range if obtained; returns NULL otherwise.

GetSupportedSizes()


1. std::list<CameraPicSize> OHOS::Media::CameraAbility::GetSupportedSizes (int format) const

Description:

Obtains the supported image sizes for a specified image format.

Parameters:

Name Description
format Indicates the image format, which can be YUV, H.265, or H.264.

Returns:

Returns the image size list if obtained; returns NULL otherwise.

SetParameterRange()


1. int32_t OHOS::Media::CameraAbility::SetParameterRange (uint32_t key, std::list< T > rangeList )

Description:

Sets value ranges for a specified parameter.

Parameters:

Name Description
key Indicates the parameter key.
rangeList Indicates the list of parameter value ranges.

Returns:

Returns SUCCESS if the setting is successful; returns FAIL otherwise.

~CameraAbility()


1. virtual OHOS::Media::CameraAbility::~CameraAbility ()

Description:

A destructor used to delete the CameraAbility instance.