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INFORMATION PROCESSING DEVICE, INFORMATION RECORDING MEDIUM, INFORMATION PROCESSING METHOD, AND PROGRAM

  • US 20160057491A1
  • Filed: 12/17/2014
  • Published: 02/25/2016
  • Est. Priority Date: 08/22/2014
  • Status: Active Grant
First Claim
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1. An information processing device comprising:

  • a data processing unit that performs format conversion of converting MPEG-2 TS format data into MP4 format data,wherein the MPEG-2 TS format data is data that includes each segment region having a plurality of pieces of variation data decryptable with different keys, andwherein the data processing unit selects encrypted MP4 variation data from the segment region of the MPEG-2 TS format data and stores the MP4 variation data as MP4 format structure data in an MP4 file, while the encrypted variation data remains, without performing a decryption process and a re-encryption process for the selected MP4 variation data.

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