Function: dvpp_set_roi_config

Applicability

Product	Supported (√/x)
Atlas A3 training products/Atlas A3 inference products	√
Atlas A2 training products/Atlas A2 inference products	√
Atlas training products	√
Atlas inference products	√
Atlas 200I/500 A2 inference products	√

Function Usage

Sets an ROI configuration.

Prototype

C Prototype

aclError acldvppSetRoiConfig(acldvppRoiConfig *config, uint32_t left, uint32_t right, uint32_t top, uint32_t bottom)

Python Function

ret = acl.media.dvpp_set_roi_config(roi_config, left, right, top, bottom)

Parameter Description

Parameter	Description
roi_config	Int, pointer address of the location data of a specified ROI. Call acl.media.dvpp_create_roi_config in advance to create data.
left	Int, left offset. Must be an even number on the Atlas training products. If used to describe the paste ROI, the left offset must be rounded up to the nearest multiple of 16. Can be an odd or even number on the Atlas inference products. If used to describe the paste ROI, the left offset must be rounded up to the nearest multiple of 16. Can be an odd or even number on the Atlas A2 training products/Atlas A2 inference products (no alignment requirement). Can be an odd or even number on the Atlas A3 training products/Atlas A3 inference products (no alignment requirement).
right	Int, right offset. Must be an odd number on the Atlas training products. Can be an odd or even number on the Atlas inference products. Can be an odd or even number on the Atlas A2 training products/Atlas A2 inference products. Can be an odd or even number on the Atlas A3 training products/Atlas A3 inference products.
top	Int, top offset. Must be an even number on the Atlas training products. Can be an odd or even number on the Atlas inference products. Can be an odd or even number on the Atlas A2 training products/Atlas A2 inference products. Can be an odd or even number on the Atlas A3 training products/Atlas A3 inference products.
bottom	Int, bottom offset. Must be an odd number on the Atlas training products. Can be an odd or even number on the Atlas inference products. Can be an odd or even number on the Atlas A2 training products/Atlas A2 inference products. Can be an odd or even number on the Atlas A3 training products/Atlas A3 inference products.

Return Value Description

Return Value	Description
ret	Int, error code: 0 on success; else, failure.

Parent topic: VPC