hi_mpi_vi_set_dev_attr

The Atlas 200/300/500 Inference Product does not support this API.

The Atlas Training Series Product does not support this API.

Description

Sets the attributes of a VI device.

Restrictions

Before calling this API, ensure that the VI device is disabled. If the VI device is enabled, disable it by calling hi_mpi_vi_disable_dev.

Prototype

hi_s32 hi_mpi_vi_set_dev_attr(hi_vi_dev vi_dev, const hi_vi_dev_attr *dev_attr)

Parameters

Parameter	Input/Output	Description
vi_dev	Input	VI device ID. Value range: [0, 4)
dev_attr	Input	Pointer to the attributes of the VI device. Static attributes. The dev_attr parameter is used to configure the attributes of a specified VI device, such as video interface mode, data type, image width, and image height, for connecting to peripheral sensors.

Parameter

Input/Output

Description

vi_dev

Input

VI device ID.

Value range: [0, 4)

dev_attr

Input

Pointer to the attributes of the VI device. Static attributes.

The dev_attr parameter is used to configure the attributes of a specified VI device, such as video interface mode, data type, image width, and image height, for connecting to peripheral sensors.

Returns

0: success
Other values: failure. For details, see VI Return Codes.

Parent topic: VI