hi_mpi_vi_set_dev_attr

Applicability

Product	Supported
Atlas 350 Accelerator Card	☓
Atlas A3 training product / Atlas A3 inference product	☓
Atlas A2 training product / Atlas A2 inference product	☓
Atlas 200I/500 A2 inference product	√
Atlas inference product	☓
Atlas training product	☓

Function Description

Sets the attributes of a VI device.

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