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Method for dynamically caching DVB data

A dynamic cache and dynamic storage technology, applied in the field of data processing, can solve the problems of different slots, less frequency of use of slot2 and slot3, etc., to save cache space, solve idle cache space, and improve performance.

Inactive Publication Date: 2010-06-02
HISENSE BROADBAND MULTIMEDIA TECH
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  • Summary
  • Abstract
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AI Technical Summary

Problems solved by technology

Although this caching method can easily obtain all the data corresponding to each slot, it has the following defects: because the frequency of use between the slots is different, for example, only slot1 is used most of the time, and the frequency of use of slot2 and slot3 is very high. few
Neither of the above two methods involves how to judge and deal with data repeatability and variability

Method used

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  • Method for dynamically caching DVB data
  • Method for dynamically caching DVB data
  • Method for dynamically caching DVB data

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Embodiment Construction

[0035] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0036] see image 3 and Figure 4 ,in, image 3 It is a storage structure schematic diagram of an embodiment of the dynamic caching method of DVB data according to the present invention, Figure 4 is the basic principle diagram of this embodiment.

[0037] The basic idea of ​​this embodiment is: in the DVB data receiving system, in order to facilitate the processing of data in the cache and make full use of the cache space, this embodiment first divides a data storage queue and a control information storage queue in the memory as a public queue , which are used to store data information and control information respectively. Wherein, the data storage queue includes n data storage units, and the control information storage queue includes m control information storage units. Then take the hardware channel unit slot and the filter unit Filter as the basic un...

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Abstract

The invention discloses a method for dynamically caching DVB data, which comprises the following steps: dividing a data storage array and a control information storage array in a memory to serve as public arrays, which are used for storing data information and controlling information respectively; taking a hardware channel unit slot and a filtering unit filter as basic units, and setting a plurality of indexes; and when one of the indexes receives a data segment, allocating a data storage unit in the data storage array for the index to store data information of the data segment, and allocating a control information storage unit in the control information storage array for the index to store control information of the data segment. By dynamically allocating cache space for each slot in the method of the invention, the aim of the data load balance of each slot is achieved; the memory space required by the data processing is saved; and the utilization rate of the memory space is improved.

Description

technical field [0001] The invention relates to a data storage method, in particular to a dynamic caching method of DVB data, and belongs to the technical field of data processing. Background technique [0002] With the continuous development of digital TV technology, digital TV value-added services have become an important content of digital TV development. At the same time, the division of labor in the digital TV industry has become increasingly clear, gradually forming different fields such as operators, terminal equipment manufacturers, and value-added service system integration providers, thus triggering the integrated application of the three. [0003] As a common standard for the transmission of digital TV value-added services, the DVB standard provides a complete set of digital TV broadcasting system specifications suitable for different media. The definition of this specification has its own characteristics: the unit of data is section, and the index is indexed by ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/24G06F12/08G06F12/0871
Inventor 史东平
Owner HISENSE BROADBAND MULTIMEDIA TECH
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