A file storage system to speed up simultaneous playback of multi-channel monitoring

Abstract

The invention discloses a file storage system that speeds up multi-channel monitoring and playback at the same time. When the file storage system is used for the first time, the disk is formatted and formatted into 4 parts of the system attribute area, date index area, file index area and data block area. partition, the file format of the partition is reset, and during video playback, by directly reading and writing the file storage system, the server retrieves the first-level index area through the time period parameter, and obtains the index record of the time period date, through the offset address field of the record. The value searches the secondary index area to get the starting offset address of all video data blocks in the time period corresponding to the date, and returns the data to the client; the primary index area uses the date as the retrieval standard, and the secondary index area uses the block timestamp and The block type is the retrieval standard, and the purpose of fast data retrieval is achieved according to the setting of the secondary index content. The invention can effectively solve the problem of slow storage, reading and writing, searching and positioning speeds of the hard disk during the playback operation of the multi-channel monitoring equipment.

Description

technical field [0001] The invention relates to the field of audio and video monitoring and file storage systems, in particular to a file storage system that speeds up multi-channel monitoring and simultaneous playback. Background technique [0002] FAT32, NTFS and other file storage systems on the traditional Windows platform can meet the needs for small data storage, reading and writing, searching, querying and exchanging operations. With the increasingly complex social security situation, video surveillance engineering has become a social security Important guarantee, video monitoring equipment and monitoring data are growing geometrically. For operations such as large or even massive data storage, reading and writing, and searching, such as when operating multiple monitoring equipment at the same time, the traditional file storage system hard disk data storage, The reading and writing speed is slow, the efficiency is low, and even it cannot be operated; at the same time,...

AI Technical Summary

Problems solved by technology

[0002] FAT32, NTFS and other file storage systems on the traditional Windows platform can meet the needs for small data storage, reading and writing, searching, querying and exchanging operations. With the increasingly complex social security situation, video surveillance engineering has become a social security Important guarantee, video monitoring equipment and monitoring data are growing geometrically. For operations such as large or even massive data storage, reading and writing, and searching, such as when operating multiple monitoring devices at the same time, the traditional file storage system hard disk data storage, The reading and writing speed is slow, the efficiency is low, and even it cannot be operated; at the same time, the more files stored in the traditional file storage system, the greater the burden of sector area management, the more files are stored, the slower the storage speed, which cannot satisfy some When a major case occurs, the video needs to quickly view video resources and play back, etc.

[0003] At present, in order to facilitate monitoring data retrieval and data recovery, many file storage systems store data in units of blocks, and establish one-level or multi-level indexes to achieve the purpose of fast storage, but the contents of the first-level or second-level index areas and formats, and cannot fully meet the needs of storage and fast playback of multi-channel monitoring equipment

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