hi_mpi_vi_release_chn_frame

The Atlas 200/300/500 Inference Product does not support this API.

The Atlas Training Series Product does not support this API.

Description

Releases a frame of image obtained from a VI channel.

Restrictions

  • This API must be used with hi_mpi_vi_get_chn_frame, and the number of API calling times must be the same. Otherwise, an error is reported.
  • Call hi_mpi_vi_get_chn_frame to obtain frame_info, and transfer the obtained frame_info to this API. Otherwise, the release may fail.

Prototype

hi_s32 hi_mpi_vi_release_chn_frame(hi_vi_pipe vi_pipe, hi_vi_chn vi_chn, const hi_video_frame_info *frame_info)

Parameters

Parameter

Input/Output

Description

vi_pipe

Input

Pipe ID.

Value range: [0, 12)

vi_chn

Input

VI channel ID.

Value range: [0, 1)

frame_info

Input

Structure of the VI frame information.

Returns