pngd_destroy_chn

Product	Supported/Unsupported
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	√

Destroys a created decoding channel to release related resources when the user exits the process.

C Prototype

hi_s32 hi_mpi_pngd_destroy_chn(hi_pngd_chn chn)

Parameter	Description
chn	Int, decoding channel ID.

Return Value	Description
ret	Int, error code. 0 indicates success. Other values indicate failures. For details, see PNGD Return Codes.

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

For the API call sequence, see Functions and Restrictions.

Parent topic: PNGD APIs