Method for storing AVS encoding file format for video recorder and video server

A video server and encoding file technology, applied in the storage field of AVS encoding file format, can solve problems such as time-consuming and laborious, and achieve the effects of high encoding storage efficiency, low implementation complexity, and concise technical solution

Inactive Publication Date: 2008-12-17
BEIJING TELESOUND ELECTRONICS
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  • Abstract
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Problems solved by technology

When the video file spans a long time, in order to find a certain event, you have to use fast playback, dragging, etc. to manually observe and judge whether it is the event occurrence point, which is time-consuming and laborious

Method used

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Embodiment Construction

[0025] In the following, the present invention will be described in detail with reference to the embodiments. A storage method of the AVS encoded file format used for video recorders and video servers includes defining the file header structure, the data area structure and the index area structure:

[0026] a. The file header structure is composed of file information structure, media information structure and content information structure, among which:

[0027] The file information structure includes: AVS file identifier, AVS file version, file creation time, index area from the file start position, and data area from the file start position; the AVS file identifier in the file information structure, in turn, is'T', 'A','F','F', AVS file version network order storage defaults to 0; the total number of bytes of the file is 32 bits, the file creation time unit is seconds, and the number of bytes offset between the index area and the start of the file 32bits, the offset bytes of the ...

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Abstract

The invention discloses a storage method for AVS coding file format of a video recorder and a video server, comprising defining a file head structure, a data region structure and an index region structure; the file head structure is composed of a file information structure, a media information structure and a content information structure; the data region structure is composed of a data region head information structure and a media data structure; the index region structure is composed of an index region head information structure and an index data structure. The method includes high storage efficiency, a simple technical proposal and low complexity of a chip realization as well as support VCR control and custom data retrieval, which is liable to be popularized, the AVS media storage format can push forward technical standard for AVS integral standard system to have access to the technical field of network security protection, so as to be further applied to intelligent surveillance in computer security protection.

Description

Technical field [0001] The present invention relates to the technical field of networked security guarding and monitoring, in particular to a storage method of AVS encoding file format used for video recorders and video servers Background technique [0002] As we all know, video surveillance has evolved from the first generation of analog surveillance and the second generation of semi-digital surveillance to the current third generation of all-digital network surveillance. Network surveillance has become the mainstream technology in the field of security surveillance. Digital network monitoring is closely related to the digital coding of video images. There are two main series of international audio and video coding and decoding standards: the MPEG series of standards formulated by ISO / IEC JTC1; the H.26x series of video coding standards formulated by the ITU for multimedia communications and G. 7 series of audio coding standards. At present, there are four source coding standard...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/928H04N9/802H04N7/24G11B27/10
Inventor 谭政聂蓉余和初楚林
Owner BEIJING TELESOUND ELECTRONICS
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