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Write-in method and apparatus for monitoring data

A technology for monitoring data and data writing, which is used in electrical digital data processing, input/output to record carriers, instruments, etc. It can solve the problems of inability to meet the write bandwidth requirements of video surveillance applications and to avoid the bandwidth bottleneck of random write mode. , to meet the write bandwidth requirements, avoid bandwidth bottlenecks, and increase hardware investment.

Inactive Publication Date: 2016-04-20
SHENZHEN STREAMING VIDEO TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The purpose of the embodiments of the present invention is to provide a monitoring data writing method, which aims to solve the existing monitoring data writing method, which cannot avoid the bandwidth bottleneck of the random writing mode, and cannot meet the video requirements without increasing hardware investment. Problems monitoring applications' growing write bandwidth demands

Method used

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  • Write-in method and apparatus for monitoring data
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  • Write-in method and apparatus for monitoring data

Examples

Experimental program
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Effect test

Embodiment 1

[0029] figure 1 It is an implementation flowchart of the monitoring data writing method provided by the embodiment of the present invention, and is described in detail as follows:

[0030] In step S101, obtain the current write request;

[0031] In step S102, detect whether the file ownership in the current write request is the same as that in the last write request;

[0032] In step S103, if the file ownership of the current write request is the same as that of the last write request, whether there is remaining space in the data area of ​​the current storage block is detected;

[0033] In step S104, if there is remaining space in the data area of ​​the current storage block, the monitoring data corresponding to the current write request is written into the data area of ​​the storage block according to the sequential write mode.

[0034] Wherein, before step S104, also include:

[0035] Data structure for configuring sequential write mode.

[0036] Among them, configure th...

Embodiment 2

[0056] figure 2 It is the new data index provided by the embodiment of the present invention, and the implementation flow chart of writing into the data area of ​​the current storage block is described in detail as follows:

[0057] In step S201, if the file ownership of the current write request is different from that of the last write request, whether there is remaining space in the data index area of ​​the current storage block is detected;

[0058] In step S202, if there is remaining space in the data index area of ​​the current storage block, a new data index is constructed and filled into the data index area of ​​the current storage block;

[0059] In step S203, according to the new data index, the monitoring data corresponding to the current write request is written into the data area of ​​the current storage block.

[0060] In the embodiment of the present invention, the monitoring data is written into the data area of ​​the current storage block in the sequential wr...

Embodiment 3

[0062] image 3 It is the new data index provided by the embodiment of the present invention, and the implementation flow chart of writing the data area of ​​the less than full storage block is described in detail as follows:

[0063] In step S301, if there is no remaining space in the data area of ​​the current storage block, or if there is no remaining space in the data index area of ​​the current storage block, it is detected whether the storage medium has a storage block that is not full;

[0064]In step S302, when the storage medium has an incomplete storage block, construct a new data index and fill in the data index area of ​​the incomplete storage block;

[0065] In step S303, according to the new data index, the monitoring data corresponding to the current write request is written into the data area of ​​the not-full storage block.

[0066] In the embodiment of the present invention, through the new data index, the monitoring data is written into the data area of ​​t...

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Abstract

The invention is applicable to video monitoring, and provides a write-in method and apparatus for monitoring data. The write-in method for monitoring data comprises: obtaining a current write request; detecting whether files in the current write request and in a previous write request belong to the same group; if so, detecting whether a remaining space is left in a data region of a current storage block; and if so, writing monitoring data corresponding to the current write request into the data region of the storage block according to the sequential write mode. The invention changes the write operation mode of a video monitoring device for a storage medium from random write into sequential write, effectively avoids the bandwidth bottlenecks of the random write mode, and can also meet the ever-increasing write-in bandwidth requirement of video monitoring applications without additional hardware investment.

Description

technical field [0001] The invention belongs to the field of video monitoring, in particular to a method and device for writing monitoring data. Background technique [0002] With the popularization of video surveillance equipment, more and more management departments can obtain effective data, images or sound information through video surveillance equipment. Write it into the storage medium, so as to monitor and remember the process of sudden abnormal events in time. [0003] However, existing monitoring data writing methods cannot avoid the bandwidth bottleneck of the random writing mode, and cannot meet the ever-increasing writing bandwidth requirements of video monitoring applications without increasing hardware investment. The reason mainly lies in the following two aspects, which are detailed as follows: [0004] In the first aspect, the write operation mode of monitoring data will use a random write mode. [0005] After the video surveillance equipment is used for ...

Claims

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Application Information

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IPC IPC(8): G06F3/06
CPCG06F12/00
Inventor 黄凯明
Owner SHENZHEN STREAMING VIDEO TECH
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