Patent ID: 7650567

Claim:
A reception apparatus that receives media data forming content, comprising: a media transmitter that receives a plurality of items of media data and a plurality of items of layout information which specify display layouts of the plurality of items of media data, the plurality of items of layout information being associated with combinations of types of media data; a reception controller that determines whether the plurality of items of media data can be represented; a received data controller that selects layout information whereby media data contained in a display layout are determined to be capable of being represented, among the plurality of items of layout information; and a representation controller that represents the content using at least one media data based on the selected layout information, wherein each of the plurality of items of layout information has a mandatory flag which indicates whether individual media data contained in a display layout are mandatory to represent the content based on the layout information, and the received data controller selects layout information whereby all media data assigned the mandatory flag in a plurality of items of media data contained in the display layout are determined to be capable of being represented, among the plurality of items of layout information, wherein, in predetermined layout information in which the media data determined to be capable of being represented and media data determined to be not capable of being represented are contained in the display layout, when media data to which the mandatory flag is assigned to is contained in the media data determined to be not capable of being represented, the received data controller selects different layout information from the predetermined layout information among the plurality of items of layout information, and in other case, selects the predetermined layout information among the plurality of items of layout information.