vpc_sys_create_chn

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

Creates an image processing channel based on the configured channel attributes. The system returns an available channel ID to the user.

C Prototype

hi_s32 hi_mpi_vpc_sys_create_chn(hi_vpc_chn *chnl, const hi_vpc_chn_attr *attr);

Python Function

chnl, ret = acl.himpi.vpc_sys_create_chn(attr)

Parameter	Description
attr	Dict, dictionary of the attributes of an image processing channel. For details, see hi_vpc_chn_attr. If attr is left empty, the error code HI_ERR_VPC_NULL_PTR is returned.

Return Value	Description
chnl	Int, image processing channel ID. This API call outputs a channel ID to the user. Atlas inference products: The value range of this parameter is [0, 256). The maximum number of channels is 256. Atlas A2 training products/Atlas A2 inference products: The value range of this parameter is [0, 256). The maximum number of channels is 256. Atlas 200I/500 A2 inference products: The value range of this parameter is [0, 128). The maximum number of channels is 128. Atlas A3 training products/Atlas A3 inference products: The value range of this parameter is [0, 256). The maximum number of channels is 256.
ret	Int, error code. 0: success. Other values: failures. For details, see VPC Return Codes.

Return Value

Description

chnl

Int, image processing channel ID. This API call outputs a channel ID to the user.

Atlas inference products: The value range of this parameter is [0, 256). The maximum number of channels is 256.
Atlas A2 training products/Atlas A2 inference products: The value range of this parameter is [0, 256). The maximum number of channels is 256.
Atlas 200I/500 A2 inference products: The value range of this parameter is [0, 128). The maximum number of channels is 128.
Atlas A3 training products/Atlas A3 inference products: The value range of this parameter is [0, 256). The maximum number of channels is 256.

ret

Int, error code.

Parent topic: VPC APIs