hi_mpi_vpss_set_chn_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 physical VPSS channel.

Restrictions

A VPSS group must have been created. For details, see hi_mpi_vpss_create_grp.

Prototype

hi_s32 hi_mpi_vpss_set_chn_attr(hi_vpss_grp grp, hi_vpss_chn chn, const hi_vpss_chn_attr *chn_attr);

Parameters

Parameter	Input/Output	Description
grp	Input	VPSS group ID. The value range is [0, 264). If the 3DNR function is enabled by setting the hi_vpss_grp_attr.nr_en parameter of the hi_mpi_vpss_create_grp API, the value range of the VPSS group ID is [256, 268).
chn	Input	VPSS channel ID. Value range: [0, 2)
chn_attr	Input	VPSS channel attributes.

Parameter

Input/Output

Description

grp

Input

VPSS group ID.

The value range is [0, 264). If the 3DNR function is enabled by setting the hi_vpss_grp_attr.nr_en parameter of the hi_mpi_vpss_create_grp API, the value range of the VPSS group ID is [256, 268).

chn

Input

VPSS channel ID.

Value range: [0, 2)

chn_attr

Input

VPSS channel attributes.

Returns

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

Parent topic: VPSS