Method, apparatus and system for implementing network personal video recorder
A video recorder and network technology, applied in the Internet field, can solve the problems of consuming server storage space, repeatedly storing the same program, and failing to effectively improve server storage utilization, and achieve the effect of saving storage space and improving utilization.
Inactive Publication Date: 2012-04-25
HUAWEI TECH CO LTD
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Problems solved by technology
[0013] In the existing NPVR implementation technology, a behavioral feature of end users recording programs is not fully utilized, that is, users have a high probability of recording popular programs in the live broadcast source, which may cause repeated storage of the same program, which will lead to The following problems: It will greatly consume the storage space of the server and cannot effectively improve the storage utilization of the server
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[0032] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further elaborated below in conjunction with the accompanying drawings.
[0033] The embodiment of the present invention adopts the content slicing technology to improve the storage utilization rate of the system by separating the user's logical storage space and physical storage space. The principle is as follows: figure 2 Shown:
[0034] The storage is divided into two spaces, one is the user logical storage space, and the other is the real physical storage space. The user logical storage space does not actually store the recording content, but only saves the description information of the recording content, including the program content identification, the size of the physical storage space occupied, the start time, duration, end time and other time information of the recording content, etc. , and the current usage of the user's physical s...
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The invention discloses a realizing method for a network personal video recorder (NPVR) service; a user recording content describing block, a media content slice and a corresponding relation between the user recording content describing block and the media content slice are built at a network side; the method comprises the following steps: receiving the service requirement on the recording content of the user which comprises a user recording content mark corresponding to the service, obtaining the corresponding user recording content describing block according to the user recording content mark and inquiring the corresponding relation according to the user recording content describing block and utilizing the media content slice to process the service of the corresponding user recording content. The invention also discloses a device and a system used for realizing NPVR. The scheme can greatly save the memory space needed by the NPVR service and improve the operating factor of the system memory of the NPVR service.
Description
technical field [0001] The present invention relates to the technical field of the Internet, in particular to a network personal video recorder (Network Personal Video Recorder, NPVR) implementation method, device and system. Background technique [0002] NPVR is a service in the Internet TV (IPTV) system, which is developed from the Personal Video Recorder (PVR), mainly for live TV programs in the IPTV system (with the development of the service, also Not limited to live broadcasts) for recording. In the PVR service, users need to complete the recording of live programs on the terminal equipment, and the network does not provide support. Although the PVR service is very simple to implement, and because users can purchase terminal devices with different storage capacities according to their own capabilities and needs, it also has strong scalability in content storage, but it will increase the purchase cost of user terminals after all. At the same time, it is not conducive ...
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IPC IPC(8): H04N21/231H04N5/76H04L29/12
Inventor 向少华刘欣汪亮江华张正
Owner HUAWEI TECH CO LTD