Patent ID: 7797380

Claim:
A content transmission apparatus comprising: an acquisition module configured to acquire, from a content, metadata having a plurality of items explaining details of the content; a notification module configured to notify a content reception apparatus, to which the content is to be uploaded, of the metadata acquired by the acquisition module via a network; a transmission module configured to encode the content and to transmit, via the network, the encoded content as a body of an upload request based on an HTTP POST request to an entry point created by the content reception apparatus on the basis of the metadata, after notification of the metadata by the notification module; a detection module configured to detect a change in metadata notified to the content reception apparatus from the notification module relative to metadata of the content transmitted, after notification of the metadata to the content reception apparatus; and a re-notification module configured to notify the content reception apparatus of posterior metadata containing a changed item in the metadata, when the detection module detects the change in metadata; the content transmission apparatus implemented as hardware.