hi_mpi_vpss_release_chn_frame

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

Releases a frame of image from a channel.

Prototype

hi_s32 hi_mpi_vpss_release_chn_frame(hi_vpss_grp grp, hi_vpss_chn chn, const hi_video_frame_info *frame_info)

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)

frame_info

Input

Image information.

Returns

Restrictions

After obtaining image data by calling hi_mpi_vpss_get_chn_frame, call this API to release resources in a timely manner.