acl.himpi.vdec_get_chn_param

C Prototype	hi_s32 hi_mpi_vdec_get_chn_param(hi_vdec_chn chn, hi_vdec_chn_param *chn_param);
Python Function	chn_param, ret = acl.himpi.vdec_get_chn_param(chn)
Function Usage	To obtain the parameters of a channel before modifying channel parameters. The Atlas 200/300/500 Inference Product does not support this API in the current version. The Atlas Training Series Product does not support this API in the current version.
Input Description	chn: int, decoding channel ID.
Return Value	chn_param: dict, dictionary of decoding channel parameters. For details, see hi_vdec_chn_param. ret: int, error code. 0 indicates success. Other values: failure. For details, see VDEC/JPEGD Return Codes.
Restrictions	Ensure that a channel has been created. Otherwise, the error code HI_ERR_VDEC_UNEXIST is returned.

Parent topic: VDEC/JPEGD APIs