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hi_mpi_venc_get_fd

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

The Atlas Training Series Product does not support this API.

Description

Obtains the device file descriptor corresponding to an encoding channel.

Restrictions

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

Prototype

hi_s32 hi_mpi_venc_get_fd(hi_venc_chn chn)

Parameters

Parameter

Input/Output

Description

chn

Input

Encoding channel ID.

Returns

  • 0 or positive value: valid.
  • Non-positive value: invalid.
Parent topic: VENC/JPEGE