vpc_destroy_chn

Product	Supported (√/x)
Ascend 950PR / Ascend 950DT	√
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	√

Destroys an image processing channel.

C Prototype

        
             hi_s32 hi_mpi_vpc_destroy_chn(hi_vpc_chn chn);

Parameter	Description
chn	Int, channel ID for image processing. Ascend 950PR / Ascend 950DT : The value range of this parameter is [0, 256). The maximum number of channels is 256. 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.

Parameter

Description

chn

Int, channel ID for image processing.

Ascend 950PR / Ascend 950DT : The value range of this parameter is [0, 256). The maximum number of channels is 256.
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.

Return Value	Description
ret	Int, error code. 0: success. Other values: failures. For details, see VPC Return Codes.

The channel ID must be within the maximum channel ID.

For the API call sequence, see VPC.

Parent topic: VPC APIs