venc_get_chn_param

Applicability

Product	Supported
Atlas 350 Accelerator Card	x
Atlas A3 training product/Atlas A3 inference product	x
Atlas A2 training product/Atlas A2 inference product	x
Atlas training product	x
Atlas inference product	√
Atlas 200I/500 A2 inference product	√

Description

Obtains channel parameters.

The Atlas 200I/500 A2 inference product does not support this API in JPEGE image encoding scenarios.

Prototype

C Prototype

hi_s32 hi_mpi_venc_get_chn_param(hi_venc_chn chn, hi_venc_chn_param *chn_param)

Python Function

chn_param, ret = acl.himpi.venc_get_chn_param(chn)

Parameters

Parameter	Description
chn	Int, encoding channel ID.

Return Value

Return Value	Description
chn_param	Dict, VENC channel parameters. For details, see hi_venc_chn_param.
ret	Int, error code. 0 indicates success. Other values indicate failure. For details, see VENC/JPEGE Return Codes.

Description

chn_param

Dict, VENC channel parameters. For details, see hi_venc_chn_param.

ret

Int, error code.

0 indicates success.
Other values indicate failure. For details, see VENC/JPEGE Return Codes.

Restrictions

This API must be called after an encoding channel is created and before the channel is destroyed. Passing a non-existing channel ID to this API returns a failure.

Parent topic: VENC/JPEGE APIs