Patent ID: 8731368
Filing Date: 2014-05-20
Classification: G11B,H04N

Abstract:
1. A video data processing apparatus comprising: a file receiver configured to receive a data file; an analyzer configured to analyze the data file, to divide the data file into first data blocks that are groups of picture (GOPs), and to add index information to each first data block, the index information comprising pattern data located at a first position in the index information, and management information for playback of each first data block; a recorder configured to record each first data block with the index information; a detector configured to detect the index information added to the first data blocks from the recorder, to read the management information from the index information, to read verification data from the first position in the index information, and to issue a stop command if the verification data is absent, or if the verification data is different from the pattern data; and a data player configured to play back the read first data blocks with reference to the management information in absence of the stop command, and to disable playing back the first data blocks in presence of the stop command.