| 摘要 |
According one embodiment, metadata outputted from a server device is acquired on the basis of a request for acquisition of metadata, and it is determined whether or not an amount of information of the acquired metadata is insufficient. When it is determined that the amount of information of the metadata is insufficient, a request for acquisition of header information of contents is made with respect to the server device, and the insufficient amount of information of the metadata is complemented by analyzing the header information acquired from the server device.
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