hi_mpi_vi_get_pipe_attr

Product	Supported
Ascend 950PR / Ascend 950DT	☓
Atlas A3 training products / Atlas A3 inference products	☓
Atlas A2 training products / Atlas A2 inference products	☓
Atlas 200I/500 A2 inference products	√
Atlas inference products	☓
Atlas training products	☓

Obtains the attributes of a VI pipe.

hi_s32 hi_mpi_vi_get_pipe_attr(hi_vi_pipe vi_pipe, hi_vi_pipe_attr *pipe_attr)

Parameter	Input/Output	Description
vi_pipe	Input	Pipe ID. Value range: [0, 12)
pipe_attr	Input	Pointer to the pipe attribute structure. The attributes are static.

Parameter

Input/Output

Description

vi_pipe

Input

Pipe ID.

Value range: [0, 12)

pipe_attr

Input

Pointer to the pipe attribute structure.

The attributes are static.

This API can be called only after a VI pipe is created by calling hi_mpi_vi_create_pipe.
The pipe attributes must be valid, and some static attributes cannot be dynamically set. For details, see the description of hi_vi_pipe_attr.

For the API call sequence, see Video Data Obtaining.

Parent topic: VI