1. A multimedia middleware apparatus of a terminal for supporting a multimedia application, the apparatus comprising: a service metadata reception section for receiving metadata comprising middleware application programming interface (API) information as structural information of at least one multimedia middleware service to run a multimedia application; a service implementation code acquisition section for acquiring a service implementation code related to the metadata for the at least one multimedia middleware service; and a service management section for identifying the service implementation code for the at least one multimedia middleware service from the received metadata and controlling an operation for applying the service implementation code acquired by the service implementation code acquisition section to an associated multimedia middleware service.