hi_mpi_vi_pipe_get_buffer

Applicable Products

Product

Supported

Ascend 950PR / Ascend 950DT

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Atlas A3 training products / Atlas A3 inference products

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Atlas A2 training products / Atlas A2 inference products

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Atlas 200I/500 A2 inference products

√

Atlas inference products

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Atlas training products

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Function

Obtains internal free memory blocks for users to specify input data.

Prototype

hi_s32 hi_mpi_vi_pipe_get_buffer(hi_vi_pipe vi_pipe, hi_video_frame_info *frame_info)

Parameters

Parameter

Input/Output

Description

vi_pipe

Input

Pipe ID.

Value range: [0, 12)

frame_info

Output

Pointer to the video information structure.

Returns

Restrictions

This API can be called only after a VI pipe is created by calling hi_mpi_vi_create_pipe.

Reference

For the API call sequence, see Video Data Obtaining.