发明公开
- 专利标题： METHODS AND SYSTEMS FOR PROVIDING FILE DATA FOR VIDEO FILES
- 专利标题（中）： 方法和一种用于提供文件数据的视频文件
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申请号： EP12751102.0申请日： 2012-07-26
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公开(公告)号： EP2740275A1公开(公告)日： 2014-06-11
- 发明人: CAIN, James Westland , ROGERS, Simon Darryl , WEAVER, Michael James
- 申请人： Quantel Limited
- 申请人地址： Turnpike Road Newbury, Berkshire RG14 2NX GB
- 专利权人： Quantel Limited
- 当前专利权人： Quantel Limited
- 当前专利权人地址： Turnpike Road Newbury, Berkshire RG14 2NX GB
- 代理机构： Burt, Matthew Thomas
- 优先权： GB201113621 20110805; GB201114628 20110823
- 国际公布： WO2013021167 20130214
- 主分类号： H04N21/2662
- IPC分类号： H04N21/2662 ; H04L29/06 ; H04N21/24
摘要：
A method of providing file data for a converted video file from a file system. After receiving a request for a portion of file data from the converted video file, an existing video file from which to derive the file data is determined. A portion of file data from the existing file that corresponds to the requested portion of file data is then determined, and file data from the portion of file data from the existing file data, by converting the portion of file data to file data of a different quality. The generated file data is then returned.
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