| 摘要 |
PROBLEM TO BE SOLVED: To easily change a hyper link embedded in a MP4 file, and to record the file in a format in which compatibility with conventional specifications is maintained. SOLUTION: A data structure for holding a file offset of a head byte of a hyperlink character string is embedded in an MP4 file, and when a hyperlink URL of the MP4 file is instructed to be changed, the hyper link URL of the MP4 file is directly changed by using this offset data. COPYRIGHT: (C)2006,JPO&NCIPI
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