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

keyIndicates 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

formatIndicates 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

keyIndicates the parameter key.
rangeListIndicates 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.