GF_MPD_DESC_ROLE 1255 modules/mpd_in/mpd_in.c 				gf_dash_group_enum_descriptor(mpdin->dash, idx, GF_MPD_DESC_ROLE, 0, NULL, NULL, &com->info.role);
GF_MPD_DESC_ROLE 7458 src/media_tools/dash_client.c 	case GF_MPD_DESC_ROLE: