gf_isom_get_next_alternate_group_id  345 applications/mp4box/fileimport.c 			if (!group) group = gf_isom_get_next_alternate_group_id(dest);
gf_isom_get_next_alternate_group_id  765 include/gpac/isomedia.h u32 gf_isom_get_next_alternate_group_id(GF_ISOFile *movie);
gf_isom_get_next_alternate_group_id 4456 src/isomedia/isom_write.c 		alternateGroupID = gf_isom_get_next_alternate_group_id(movie);