A device and method direct towards the packaging, transporting and extracting of essence files, metadata files and service data files are provided. The device and method include receiving content files (e.g., essence and metadata files) and service files, the service files identifying an application to be applied to the content files, combining the content files and the service files into a media package, and transmitting the media package. The device and method also include receiving the media package containing content files and service files and extracting the content files and the service files from the media package. The media package may further include command data that describes how to process the content files and the service files as well as identification data that identifies the content files and service files. The command data, and content and service files may be encrypted.