hi_mpi_rgn_get_display_attr

Applicability

Product

Supported

Atlas A3 training products / Atlas A3 inference products

x

Atlas A2 training products / Atlas A2 inference products

x

Atlas 200I/500 A2 inference products

Atlas inference products

x

Atlas training products

x

Description

Obtains the channel display attributes of a region.

The Ascend EP form of Atlas 200I/500 A2 inference products does not support this API.

Prototype

hi_s32 hi_mpi_rgn_get_display_attr(hi_rgn_handle handle, const hi_mpp_chn *chn, hi_rgn_chn_attr *chn_attr)

Parameters

Parameter

Input/Output

Description

handle

Input

Region handle ID.

Value range: [0, 1024)

chn

Input

Pointer to the channel structure. This parameter cannot be empty.

For details about how to set this parameter, see Table 2.

chn_attr

Output

Pointer to the channel display attributes of a region. This parameter cannot be null.

Returns

Restrictions

The regions must be created before you call this API.

See Also

For the API call sequence, see Video Decoding, Processing, and Display (NVR Scenario).