venc_get_fd

Applicability

Product

Supported

Atlas 350 Accelerator Card

Atlas A3 training product / Atlas A3 inference product

Atlas A2 training product / Atlas A2 inference product

Atlas training product

x

Atlas inference product

Atlas 200I/500 A2 inference product

Description

Obtains the file descriptor corresponding to an encoding channel.

Prototype

  • C Prototype
    1
    hi_s32 hi_mpi_venc_get_fd(hi_venc_chn chn)
    
  • Python Function
    1
    ret = acl.himpi.venc_get_fd(chn)
    

Parameters

Parameter

Description

chn

Int, decoding channel ID.

Return Value

Return Value

Description

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.

Reference

For details about the API call sequence, see JPEGE and VENC.