DATA PROCESSING DEVICE

摘要

There is provided means for rapidly editing a content data stream. A data processing device can edit a content written into a medium. The content is stored as a data stream formed by a plurality of packets of the same packet size in a file. Moreover, in the medium, a file system having data accessed in a cluster size unit is built. The data processing device includes a reception unit for receiving a specification of a range of a partial deletion containing the file head and a medium control unit for deleting a data amount of data identical to the least common multiple between the cluster size and the packet size, which least common multiple is multiplied by an integer.