发明名称 |
METHODS AND SYSTEMS FOR PROVIDING FILE DATA FOR A MEDIA FILE |
摘要 |
The present invention seeks to provide an improved file system that provides essence data for a media file in a way that does not require the contents of the entire file to be available before any file data can be provided. The present invention is reflected in a method of providing file data for a media file of a pre-determined format from a file system comprising a file record database and a data store, wherein the media file corresponds to a programme. The method comprises the steps of receiving details of the programme including the duration of the programme, and determining the layout of the media file in the pre-determined format from the received details of the programme, the layout including locations for essence data within the file. A file record for the media file is then created in the file record database. In response to a request for the location of essence data within the file, a location given by the determined layout of the media file is returned. Further, a stream of essence data corresponding to the contents of the programme is received and the received essence data is stored in the data store. In response to a request for a portion of essence data from the media file corresponding to a time period of the programme, essence data derived from the received essence data is returned according to the determined layout of the media file. |
申请公布号 |
EP2812813(A1) |
申请公布日期 |
2014.12.17 |
申请号 |
EP20130702822 |
申请日期 |
2013.01.24 |
申请人 |
QUANTEL LIMITED |
发明人 |
ROGERS, SIMON DARRYL;CAIN, JAMES WESTLAND;WEAVER, MICHAEL JAMES |
分类号 |
G11B27/30;G06F17/30;G11B27/031;G11B27/034;G11B27/10;H04N21/2343;H04N21/61;H04N21/845;H04N21/854 |
主分类号 |
G11B27/30 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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