vdec_get_protocol_param

Product	Supported
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	√

Obtains protocol-specific memory allocation parameters of a channel, such as slice, pps, and sps.

C Prototype

hi_s32 hi_mpi_vdec_get_protocol_param(hi_vdec_chn chn, hi_vdec_protocol_param* protocol_param)

Python Function

protocol_param, ret = acl.himpi.vdec_get_protocol_param(chn)

Parameter	Description
chn	Int, decoding channel ID.

Return Value	Description
protocol_param	Dict, dictionary of decoding channel parameters. For details, see hi_vdec_protocol_param.
ret	Int, error code. 0 indicates success. Other values indicate failure. For details, see VDEC/JPEGD Return Codes.

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

Parent topic: VDEC/JPEGD APIs