hi_mpi_vi_set_chn_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 channel.

Prototype

hi_s32 hi_mpi_vi_set_chn_attr(hi_vi_pipe vi_pipe, hi_vi_chn vi_chn, const hi_vi_chn_attr *chn_attr)

Parameters

Parameter

Input/Output

Description

vi_pipe

Input

Pipe ID.

Value range: [0, 12)

vi_chn

Input

VI channel ID.

Value range: [0, 1)

chn_attr

Input

Pointer to the structure of VI channel attributes.

Returns

Restrictions

Before calling this API, you must call the hi_mpi_vi_create_pipe API to create a pipe.

See Also

For details about the API call sequence, see Video Data Obtaining.