acl.himpi.venc_get_fd

C Prototype

hi_s32 hi_mpi_venc_get_fd(hi_venc_chn chn);

Python Function

ret = acl.himpi.venc_get_fd(chn)

Function Usage

Obtains the file descriptor corresponding to an encoding channel.

The Atlas 200/300/500 Inference Product does not support this API in the current version.

The Atlas Training Series Product does not support this API in the current version.

Input Description

chn: int, encoding channel ID.

Return Value

ret: int, file descriptor corresponding to an encoding channel.

  • 0 or positive value: valid.
  • Non-positive value: invalid.

Restrictions

When a process exits, the file descriptor is automatically closed to clean up associated allocations.