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 training products	x
Atlas inference products	√
Atlas 200I/500 A2 inference products	√

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

C Prototype

hi_s32 hi_mpi_pngd_destroy_chn(hi_pngd_chn chn)

Parameter	Description
chn	Int, decoding channel ID. The value range of this parameter is [0, 128). The maximum number of channels is 128.

Return Value	Description
ret	Int, error code. 0: success. Other values indicate failure. 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