sys_init

Applicability

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	√

Function Usage

Initializes the low-level hardware of the media data processing system before processing media data such as images and videos.

Prototype

C Prototype
1

hi_s32 hi_mpi_sys_init(hi_void)
Python Function
1

ret = acl.himpi.sys_init()

Parameter Description

None.

Return Value Description

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

Restrictions

This API must be called after runtime resources are allocated. For details about the runtime resource allocation process, see Runtime Resource Allocation.
In multi-process scenarios, all processes must call this API to implement initialization.
In a single process, repeated calls to this API return no failures.
If there are multiple devices, initialize each device by calling acl.himpi.sys_init.

Reference

For details about the API call sequence and example, see Media Data Processing V2.

Parent topic: Common APIs