VPSS功能（当前版本不支持）
功能说明
约束说明
hi_mpi_vpss_create_grp
hi_mpi_vpss_destroy_grp
hi_mpi_vpss_start_grp
hi_mpi_vpss_stop_grp
hi_mpi_vpss_set_grp_crop
hi_mpi_vpss_get_grp_crop
hi_mpi_vpss_set_grp_param
hi_mpi_vpss_get_grp_param
hi_mpi_vpss_set_grp_fisheye_cfg
hi_mpi_vpss_get_grp_fisheye_cfg
hi_mpi_vpss_set_chn_attr
hi_mpi_vpss_get_chn_attr
hi_mpi_vpss_enable_chn
hi_mpi_vpss_disable_chn
hi_mpi_vpss_get_chn_frame
hi_mpi_vpss_release_chn_frame
hi_mpi_vpss_set_chn_fisheye
hi_mpi_vpss_get_chn_fisheye
hi_mpi_vpss_get_chn_fd
父主题：
媒体数据处理V2