hi_mpi_pngd_destroy_chn

Product	Supported
Ascend 950PR / Ascend 950DT	√
Atlas A3 training products / Atlas A3 inference products	√
Atlas A2 training products / Atlas A2 inference products	√
Atlas 200I/500 A2 inference products	√
Atlas inference products	√
Atlas training products	☓

Destroys a created decoding channel and cleans up related resources when the user process exits.

hi_s32 hi_mpi_pngd_destroy_chn(hi_pngd_chn chn)

Parameter	Input/Output	Description
chn	Input	Decoding channel ID. The value range of this parameter is [0, 128). The maximum number of channels is 128.

Parameter

Input/Output

Description

chn

Input

Decoding channel ID.

The value range of this parameter is [0, 128). The maximum number of channels is 128.

Ensure that a channel has been created. Otherwise, an error code is returned.

For details about the API call sequence and example, see PNGD.

Parent topic: PNG Decoder (PNGD)