Video data access method

A video data and data technology, which is applied to color TV components, TV system components, TVs, etc., can solve the problems of linear decline in efficiency, easy to cause fragments, and no consideration of video streams, etc., to achieve high performance Access, improve efficiency, improve the effect of reading and writing performance

Active Publication Date: 2015-10-14
ENJOYOR COMPANY LIMITED
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Problems solved by technology

However, this mechanism has the following problems: First, the efficiency of file retrieval and reading and writing completely depends on the processing mechanism of the storage server itself. As the capacity increases, the corresponding efficiency will decrease linearly; second, the characteristics of video streams are not considered. , such as the video stream has

Method used

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Embodiment

[0029] Embodiment: a kind of method for video data access, including the method for video data storage and the method for video data reading, the method for video data storage is as follows figure 1 shown, including the following steps:

[0030] Step S1: After the data receiving module reads the information of the point, including storage plan, point number, etc., execute step S11. The storage plan in this implementation case is a storage plan for each point. According to Monday to Sunday, there are eight time periods for free configuration every day. A video, Saturday and Sunday at 8:00 am and 8:00 pm as an execution plan;

[0031] Step S11: According to the point number in the point information, search whether there is snapshot information of the point in the primary index. If not, execute step S12; if exist, execute step S13;

[0032] Step S12: After adding the secondary index file of the point, add the snapshot information of the point in the primary index, including po...

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Abstract

The invention relates to a video data access method. According to the invention, a secondary index mechanism is introduced and pre-distribution space is used; and video data access is carried out by means of data block storage. Therefore, the document retrieval efficiency is improved; and the linear decline of the performance can be prevented with increasing of the capacity. Moreover, the characteristics of the video data continuity is fully considered; with the pre-distribution space, continuous reading and writing are carried out based on data blocks, thereby improving the reading-writing performance and realizing high-performance access of video data under the high-capacity storage equipment.

Description

technical field [0001] The invention relates to the technical field of video monitoring, in particular to a method for accessing video data. Background technique [0002] With the continuous development of information technology, video surveillance, as an important means in the field of security, plays an increasingly important role and has developed rapidly in recent years. As video recording is important data in the surveillance industry, various industries have put forward higher requirements for its storage read and write access. In order to meet the storage needs of users, large-capacity storage devices have emerged as the times require. In order to adapt to video data access in large-capacity storage devices, the industry generally adopts a storage method based on a file system. By storing video files according to time periods, the storage server’s own read and write functions are used to realize file retrieval and read and write, and finally realize video data storag...

Claims

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Application Information

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IPC IPC(8): H04N5/781H04N7/18
Inventor 王超群王毅肖国华周毅力卢国权李越王亚沛
Owner ENJOYOR COMPANY LIMITED
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