A system and method for a frame-accurate tape callback file

A file system and file technology, applied in electrical components, image communication, selective content distribution, etc., can solve the problems of overall time-consuming prolongation, user experience degradation, etc., to save remaining space, reduce file transfer process, and save maintenance cost effect
CN104469469BActive Publication Date: 2018-01-26BEIJING ZHONGKE DAYANG INFORMATION TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
BEIJING ZHONGKE DAYANG INFORMATION TECH CO LTD
Publication Date
2018-01-26

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Abstract

The invention relates to a system and method for frame precision tape file callback. The system comprises a filing center connected with a file end requesting segmented downloading. The filing center is connected with a tape library and a memory disk array and comprises a task receiving and assigning unit. The task receiving and assigning unit is connected with a file judging unit, the file judging unit is connected with a file preprocessing unit, the file preprocessing unit is connected with a filling unit, the task receiving and assigning unit is connected with a dotting downloading unit, and the dotting downloading unit is connected with an outputting unit. According to the system and method, different dotting modes are adopted for segmented video files of different formats, each dotting position is accurately calculated, and therefore a user can find required video segments rapidly; for the overall downloading process, the link of transcoding after calling-back can be omitted, the file transferring procedure in the transcoding link is omitted, and therefore the online disk array free space can be saved, and the maintenance cost can be lowered. Because the overall downloading process is shortened, the user can obtain needed resource files more rapidly.
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Description

technical field

[0001] The invention relates to a system and a method for calling back files on a frame-accurate magnetic tape, which is a computer digital processing system and method, and a digital processing system and method for video files. Background technique

[0002] As a TV station content support system, the media asset management system plays a very important role and status. One of the characteristics of media assets is reuse. Most TV stations will download files when using media assets to achieve the purpose of resource reuse. In order to save the storage space of the online disk array, most of the media assets files have been archived into the tape library as nearline files. The file may not be the whole file, but a specific file, which requires another function, click to download.

[0003] Previously, the point-and-shoot download function of the archive center could not download files in some formats completely according to the in-out point specified by the...

Claims

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