CN101707700A - Video monitoring method and device and system - Google Patents
Video monitoring method and device and system Download PDFInfo
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- CN101707700A CN101707700A CN200910223647A CN200910223647A CN101707700A CN 101707700 A CN101707700 A CN 101707700A CN 200910223647 A CN200910223647 A CN 200910223647A CN 200910223647 A CN200910223647 A CN 200910223647A CN 101707700 A CN101707700 A CN 101707700A
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Abstract
The invention discloses a video monitoring method and device and system. The method comprises the following steps: after completing a video fragment, a video server reports the size and duration of the fragment content to a node controller; the video server receives the fragment information of a file to be deleted from the node controller; and the video server deletes the corresponding fragment according to the fragment information. By using the video monitoring method and device and system of the invention, the magnet needle space of the video monitoring system is ensured to monitor the visual real-time video and perform real-time loop coverage within a preset range.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of video monitoring method, Apparatus and system.
Background technology
The application of large-scale distributed video monitoring system is increasingly extensive, in the large-scale distributed video monitoring system of correlation technique, set up central server in system, the a plurality of distributed nodes of each center service management, each distributed node has a Node Controller, many video recordings of each Node Controller control server, many video recording servers are shared a memory disk array.Hereinafter, one group of video recording server sharing a magnetic battle array is called a node unit.When a node unit damages, an other unit or other distributed node that this node can be moved in the control point of this unit are recorded a video, video recording can adapt to various video recording patterns, comprises alarm video recording (recording a video when front end produces alarm), whole day video recording (video recording always) and regularly record a video (be provided with time period record a video).Owing to be large-scale video monitoring system, the memory space of each node is limited, therefore, need threshold value be set for the memory space of each control point, the video file that surpasses threshold value partly need be deleted in real time, and to guarantee whole magnetic battle array space in control range, each control point is preserved the video file of this threshold size all the time, therefore, the process that monitor video is recorded a video just constantly circulates to video file and covers the process of recording.
In correlation technique, traditional video recording replace mode is to have planned video file length in magnetic battle array space for certain control point, carry out loop recording according to file size, but in large scale system, the control point is not fixed in certain node unit, not not that this mode is inapplicable in a magnetic battle array space just also.Another kind of tradition video recording circulation replace mode, video file is planned to record according to video recording, after finishing, video recording again the space is detected, delete surpassing qualified video file then, this mode is to detect behind the video recording again, deletion is unit with the file, causes memory space to surpass predefined storage size easily, causes the memory space of whole system uncontrollable.
At in the correlation technique when carrying out monitoring video, in supervisory control system, tend to occur the problem that memory space surpasses predefined storage size, effective solution is not proposed at present as yet.
Summary of the invention
At when carrying out monitoring video, tending to occur memory space in supervisory control system surpasses the problem of predefined storage size and proposes the present invention, for this reason, main purpose of the present invention is to provide a kind of video monitoring method, Apparatus and system, to address the above problem.
To achieve these goals, according to an aspect of the present invention, a kind of video monitoring method, Apparatus and system are provided.
Video monitoring method according to the present invention comprises: after a burst is finished in video recording server video recording, the content size and the duration of burst reported Node Controller; The video recording server receives the burst information for the treatment of deleted file that issues from Node Controller; The video recording server is deleted corresponding burst according to burst information.
Preferably, before video recording server video recording, this method also comprises: Node Controller receive the video recording plan and to video recording plan decompose; Video recording plan after the Node Controller timing scan is decomposed, and obtain record task according to the video recording plan after decomposing; Node Controller sends to the video recording server with record task so that the video recording server is recorded a video according to record task.
Preferably, before plan was decomposed in Node Controller reception video recording plan and to video recording, this method also comprised: centre manager is formulated the video recording plan and according to the position of monitor node the video recording plan is handed down to Node Controller according to monitor node.
Preferably, after a burst is finished in video recording server video recording, the content size of burst and duration are reported after the Node Controller, this method also comprises: whether Node Controller is judged to exist in the video recording server and is treated deleted file.
Preferably, do not exist under the situation for the treatment of deleted file definite, this method also comprises: Node Controller regularly reports centre manager with the video file state that upgrades in batches; Centre manager need to select the video file of deletion according to the memory space threshold value of control point, and the video file of needs deletion is added delete flag.
Preferably, before the video recording server was deleted corresponding burst according to burst information, this method also comprised: centre manager issues the burst information of the video file of needs deletion in batches and gives Node Controller; Node Controller sends to the video recording server with burst information.
Preferably, treat the information of the burst information of deleted file for the longest burst memory time in the video recording server.
To achieve these goals, according to a further aspect in the invention, provide a kind of supervisory video recording system.
Supervisory video recording system according to the present invention comprises: centre manager is used for formulating the video recording plan according to monitor node; Node Controller is used to receive the video recording plan and plan obtains record task according to video recording; The video recording server, be used for recording a video and after finishing a burst, the content size of burst and duration are reported Node Controller and receive the burst information for the treatment of deleted file that issues from Node Controller and delete corresponding burst according to burst information according to record task.
Preferably, the above-mentioned information for the treatment of the burst information of deleted file for the longest burst memory time in the video recording server.
To achieve these goals, according to a further aspect in the invention, provide a kind of video recording server unit.
Video recording server unit according to the present invention comprises: reporting module, be used for after a burst is finished in video recording, and the content size and the duration of burst reported Node Controller; Receiver module is with receiving the burst information for the treatment of deleted file that issues from Node Controller; Removing module is used for deleting corresponding burst according to burst information.
By the present invention, adopt the video recording of video recording server to finish a burst after, the content size and the duration of burst reported Node Controller; The video recording server receives the burst information for the treatment of deleted file that issues from Node Controller; The video recording server is deleted corresponding burst according to burst information, solved when carrying out monitoring video, in supervisory control system, tend to occur the problem of memory space, and then reached the effect of the needle space of assurance supervisory video recording system in the default scope and the covering that can in to monitor video video recording in real time, circulate in real time above predefined storage size.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the circulation covering Organization Chart according to the supervisory video recording system of the embodiment of the invention;
Fig. 2 is the flow chart according to the video monitoring method of the embodiment of the invention;
Fig. 3 is the flow chart according to the preferred video monitoring method of the embodiment of the invention;
Fig. 4 selects the schematic diagram deleted according to the video file to extensive monitoring video of the embodiment of the invention;
Fig. 5 is according to embodiment of the invention monitoring video schematic representation of apparatus.
Embodiment
Functional overview
Consider when carrying out monitoring video, in supervisory control system, tend to occur memory space and surpass predefined storage size, the embodiment of the invention provides a kind of video monitoring method, Apparatus and system, wherein, this method comprises: after a burst is finished in video recording server video recording, the content size and the duration of burst reported Node Controller; The video recording server receives the burst information for the treatment of deleted file that issues from Node Controller; The video recording server is deleted corresponding burst according to burst information.
Method, Apparatus and system according to the embodiment of the invention, the large scale network video monitoring system that can adapt to distributed deployment, the covering that circulates in real time when can record a video to the control point real-time video, video recording covers the network video monitor and control system that is specially adapted to extensive telecom operation level.
In the present invention, centre manager is in charge of the video recording plan and the video file of each control point, the selection of circulation overlay file.The distributed node controller is responsible for to video recording plan and is decomposed, and real time down records a video for the video recording server, carries out aging in real time order simultaneously.The video recording server is accepted the order of controller, and real-time recording and the circulation of carrying out video file cover.The video recording server adopts the burst storage to each video recording, the corresponding a plurality of video recording bursts of file, and circulation also is to be that unit is deleted with the burst when covering.
Hereinafter will describe the present invention with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Method embodiment
According to embodiments of the invention, provide a kind of video monitoring method.
Fig. 2 is the flow chart according to the video monitoring method of the embodiment of the invention.
As shown in Figure 2, this method comprises that following step S202 is to step S206:
Step S202 after a burst is finished in video recording server video recording, reports Node Controller with the content size and the duration of burst;
Step S204, the video recording server receives the burst information for the treatment of deleted file that issues from Node Controller;
Step S206, the video recording server is deleted corresponding burst according to burst information.
Be described in detail below in conjunction with the implementation procedure of example the embodiment of the invention.
According to embodiments of the invention, provide a kind of preferred video monitoring method.
Preferably, this method is can step as follows:
Step S1, the video recording of each control point is planned to formulate in the centre manager the inside, continues at which node according to current control point, up-to-date video recording plan is handed down to the controller of node.
Step S2, controller to video recording plan decompose, timing scan video recording plan, the plan of needs video recording formulated becomes record task, the corresponding video file of each record task, the record task real time down records a video for the video recording server.
Step S3, in the video process, the video recording server reports content size and duration that this record task of controller has been recorded after a burst is finished in each control point video recording, and controller issues burst in foremost that the video recording server is treated deleted file.
Step S4, Node Controller are handed down to the content of video recording server to a top burst of the video file deletion of appointment.
When step S5, video recording end, the video recording server reports video file duration and size to report controller, and controller reports centre manager in batches, and centre manager is adjusted the memory space threshold value of control point.
The present invention proposes the method that a kind of real-time video recording circulation covers, the large scale network video monitoring system that can adapt to distributed deployment, the covering that circulates in real time when can record a video to the control point real-time video, video recording covers the network video monitor and control system that is specially adapted to extensive telecom operation level.
Fig. 1 is the extensive monitoring video of the present invention covering Organization Chart that circulates in real time.
As shown in Figure 1, set up centre manager, Node Controller and video recording server in distributed video monitoring system.The video recording server is carried out the video recording that audio frequency is looked in the control point, and a plurality of video recording servers are shared a disk array and formed a node unit.Node Controller control video recording server issues video recording and the video recording delete command is given the video recording server.The a plurality of Node Controllers of centre management management are preserved the file that all video recording plans and video recording are finished.The state of the video file between centre manager and the controller adopts batch data synchronous, and the method for synchronization adopts the FTP mode.
Fig. 3 is the extensive monitoring video of the embodiment of the invention covering method front monitoring front-end access process figure that circulates in real time.
As shown in Figure 3, this method may further comprise the steps:
Step S301, front monitoring front-end are routed to the appointment video recording server of the designating unit of specified node according to dispatching algorithm.Dispatching algorithm does not describe in detail in the present invention.
Step S302, the video recording server reports the front monitoring front-end connection state to be reported to Node Controller.
Step S303, Node Controller is to the video recording plan of this control point of centre manager request.
Step S304, the video recording plan that centre manager issues this control point is handed down to Node Controller.
Step S305, Node Controller produces current video recording immediately according to the video recording plan and executes the task, and the video recording plan that the back regularly produces all control points that continue of this node video recording time started of arrival soon is produced as the video recording recording task.
Step S306, Node Controller timing scan video recording recording task table is handed down to the video recording server that front monitoring front-end continues to the recording task that arrives the video recording time started.Task definition comprises path, filename and branch leaf length etc., and the branch leaf length can be set to 10M, 30M, 64M etc.
Step S307, the video recording server begins to record a video immediately after the record task, and reports the state of video file immediately.
Step S308, Node Controller is write video file state synchronized file to newly-generated video file, and the form of synchronous documents is as shown in Table 1.Node Controller regularly (recommendation is set to 5 minutes) is synchronized to centre manager to synchronous documents.Centre manager is gone into database to these synchronous recordings.The data sync of Node Controller and centre manager adopts the FTP mode to carry out synchronously.
| Field name | Field description | Explanation |
| ??RecordType | Record type | -interpolation-modification-deletion-part deletion |
| Field name | Field description | Explanation |
| ??PUID | The control point numbering | |
| ??FileName | File name | |
| ??Filepath | File path | |
| ??Status | State | -record a video-record a video and finish-delete |
| ??BeginDateTime | The video recording time started | |
| ??EndDateTime | The video recording concluding time | |
| ??SliceNum | The burst number | |
| ??FileSize | File size |
Form 1, the form of synchronous documents
Step S309 after the video recording server begins video recording, whenever records and finishes a burst, reports file size, duration that video file recorded, records the burst number of finishing and give Node Controller.
Step S310 is if the Control Node video file not deleted to this control point this moment then write video file state synchronized file.If this moment the video file that remains to be deleted then, enter step S312 not to written document state synchronized file.
Step S311, Node Controller calculates the video recording space size that this control point has taken in system according to the state of the video file that comes up synchronously and the file size of having recorded, if surpass the memory space threshold value of this control point, then select the oldest video file of video time, up to the memory space of control point below threshold value.The video file that chooses has two kinds of situations.
Preferably, centre manager of the present invention also is used to write down the video file state, goes out video file to be deleted according to control point memory space threshold calculations simultaneously.
Fig. 4 is that circulate the in real time video recording deleted file of covering method of the extensive monitoring video of the embodiment of the invention is selected schematic diagram.
As shown in Figure 4, the video file state that controller regularly reports this node the inside to upgrade in batches reports centre manager, centre manager is according to the memory space threshold value of control point, need to select the video file of deletion, and these files that need delete are stamped delete flag. the video file that chooses has two kinds of situations, the one, the video file that chooses is the file outside threshold value fully, for fully the deletion file Fa. be the file that just in time is in interval border for one kind, address is regularly given Node Controller the file of the Fa of control point and Fp in batches synchronously for the Fp. centre manager. and Node Controller is regularly searched file to be deleted, if the file of Fa type, directly being handed down to the video recording server all deletes, if the file of Fp type, be handed down to the video recording server, the oldest burst of deletion Fp.
Step S312, Node Controller regularly search file to be deleted, if the file of Fa type directly is handed down to the video recording server and all deletes, if the file of Fp type is handed down to the video recording server, and the oldest burst of deletion Fp.
Step S313, the video recording server returns the deletion state, writes video file state synchronized file, regularly is synchronized to centre manager, changes step S308 over to.
In the present invention, centre manager is in charge of the video recording plan and the video file of each control point, the selection of circulation overlay file.The distributed node controller is responsible for to video recording plan and is decomposed, and real time down records a video for the video recording server, carries out aging in real time order simultaneously.The video recording server is accepted the order of controller, and real-time recording and the circulation of carrying out video file cover.The video recording server adopts the burst storage to each video recording, the corresponding a plurality of video recording bursts of file, and circulation also is to be that unit is deleted with the burst when covering.
In the present invention, video recording plans to produce record task according to regularly recording a video, the corresponding video file of record task, and video file adopts the branch sheet mode to store; The strategy unification that video file circulation covers is carried out by centre manager, guarantees video recording in the whole system covering that can circulate; The state of video recording plan and video file in centre manager to adopting the synchronous mode of batch data, effectively mitigation system message pressure between the Node Controller; The burst that video recording covers according to file is that unit is deleted, rather than deletes whole file, effectively guarantees the accuracy in video recording space, control point, can be in the many or fewer situation of system space sometime.
In the present invention, the circulation overlay strategy of video monitoring system is controlled respectively in centre manager and Node Controller, need to select the video file of circulation covering in centre manager, can guarantee when in switching node unit, control point or the switching node, the oldest video file of this control point of covering that can be correct in system, the storage sky that guarantees system is in controlled range.At intranodal, video recording adopts fragmentation schema, and employing is recorded a video and just reported the video file size immediately after a burst is finished in record, and the circulation covering is that unit covers with the burst size exactly.This mechanism can effectively guarantee the accuracy that circulation covers, and the magnetic battle array space that guarantees system simultaneously is in default scope.For the notice of video file state, adopt video file state synchronized mode regularly, effectively reduced the Node Controller and the centre manager message pressure of system, can adapt to sizable application.
As can be seen from the above description, the present invention can guarantee that can the needle space of supervisory video recording system in the default scope and the covering that circulate in real time in to monitor video video recording in real time.
Device embodiment
According to embodiments of the invention, provide a kind of monitoring video Apparatus and system.
Can realize video monitoring method according to the monitoring video Apparatus and system of the embodiment of the invention according to the embodiment of the invention.
Supervisory video recording system according to the embodiment of the invention comprises: centre manager is used for formulating the video recording plan according to monitor node; Node Controller is used to receive the video recording plan and plan obtains record task according to video recording; The video recording server, be used for recording a video and after finishing a burst, the content size of burst and duration are reported Node Controller and receive the burst information for the treatment of deleted file that issues from Node Controller and delete corresponding burst according to burst information according to record task.
Preferably, treat the information of the burst information of deleted file for the longest burst memory time in the video recording server.
Monitoring video device according to the embodiment of the invention can be the video recording server.
As shown in Figure 6, this video recording server comprises: reporting module 601, receiver module 603 and removing module 605.
Wherein, reporting module 601 is used for after a burst is finished in video recording, and the content size and the duration of burst reported Node Controller; Receiver module 603 usefulness receive the burst information for the treatment of deleted file that issues from Node Controller; Removing module 605 is used for deleting corresponding burst according to burst information.
Need to prove, can in computer system, carry out in the step shown in the flow chart of accompanying drawing such as a set of computer-executable instructions, and, though there is shown logical order in flow process, but in some cases, can carry out step shown or that describe with the order that is different from herein.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a video monitoring method is characterized in that, comprising:
After a burst is finished in video recording server video recording, the content size and the duration of described burst reported Node Controller;
Described video recording server receives the burst information for the treatment of deleted file that issues from described Node Controller;
Described video recording server is deleted corresponding burst according to described burst information.
2. method according to claim 1 is characterized in that, before described video recording server video recording, described method also comprises:
Described Node Controller receives the video recording plan and described video recording plan is decomposed;
Described video recording plan after described Node Controller timing scan is decomposed, and obtain record task according to the described video recording plan after decomposing;
Described Node Controller sends to described video recording server so that described video recording server is recorded a video according to described record task with described record task.
3. method according to claim 2 is characterized in that, before decomposing in described Node Controller reception video recording plan and to described video recording plan, described method also comprises:
Centre manager is formulated the video recording plan and according to the position of described monitor node described video recording plan is handed down to described Node Controller according to monitor node.
4. method according to claim 1 is characterized in that, after a burst is finished in video recording server video recording, the content size of described burst and duration is reported after the Node Controller, and described method also comprises:
Whether described Node Controller is judged to exist in the described video recording server and is treated deleted file.
5. method according to claim 4 is characterized in that, does not exist under the situation for the treatment of deleted file definite, and described method also comprises:
Described Node Controller regularly reports centre manager with the video file state that upgrades in batches;
Described centre manager need to select the video file of deletion according to the memory space threshold value of control point, and the described video file of deletion that needs is added delete flag.
6. method according to claim 5 is characterized in that, before described video recording server was deleted corresponding burst according to described burst information, described method also comprised:
Described centre manager issues the burst information of the video file that needs deletion in batches and gives described Node Controller;
Described Node Controller sends to described video recording server with described burst information.
7. according to each described method in the claim 1 to 6, it is characterized in that, the described burst information for the treatment of deleted file be in the described video recording server memory time the longest burst information.
8. a supervisory video recording system is characterized in that, comprising:
Centre manager is used for formulating the video recording plan according to monitor node;
Described Node Controller is used to receive described video recording plan and obtains record task according to described video recording plan;
The video recording server, be used for recording a video and after finishing a burst, the content size of described burst and duration are reported described Node Controller and receive the burst information for the treatment of deleted file that issues from described Node Controller and delete corresponding burst according to described burst information according to described record task.
9. system according to claim 8 is characterized in that, the described burst information for the treatment of deleted file be in the described video recording server memory time the longest burst information.
10. a video recording server is characterized in that, comprising:
Reporting module is used for after a burst is finished in video recording, and the content size and the duration of described burst reported Node Controller;
Receiver module is with receiving the burst information for the treatment of deleted file that issues from described Node Controller;
Removing module is used for deleting corresponding burst according to described burst information.
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| CN 200910223647 CN101707700B (en) | 2009-11-18 | 2009-11-18 | Video monitoring method and device and system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108073361A (en) * | 2017-12-08 | 2018-05-25 | 佛山市章扬科技有限公司 | A kind of method and device of automatic recording audio and video |
| CN108170372A (en) * | 2017-12-08 | 2018-06-15 | 厦门集微科技有限公司 | data processing method and device based on cloud hard disk |
| CN110534136A (en) * | 2018-05-23 | 2019-12-03 | 北京京东尚科信息技术有限公司 | The method and apparatus of recording |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1751508A (en) * | 2003-10-20 | 2006-03-22 | 松下电器产业株式会社 | Multimedia data recording apparatus, monitor system, and multimedia data recording method |
| JP4893359B2 (en) * | 2006-02-24 | 2012-03-07 | 株式会社Ｊｖｃケンウッド | Video recording control system |
| CN101137025A (en) * | 2006-08-28 | 2008-03-05 | 株式会社日立制作所 | Program data processing device |
| CN100589562C (en) * | 2008-01-03 | 2010-02-10 | 中兴通讯股份有限公司 | Method for managing monitor video |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108073361A (en) * | 2017-12-08 | 2018-05-25 | 佛山市章扬科技有限公司 | A kind of method and device of automatic recording audio and video |
| CN108170372A (en) * | 2017-12-08 | 2018-06-15 | 厦门集微科技有限公司 | data processing method and device based on cloud hard disk |
| CN110534136A (en) * | 2018-05-23 | 2019-12-03 | 北京京东尚科信息技术有限公司 | The method and apparatus of recording |
| CN110534136B (en) * | 2018-05-23 | 2022-02-01 | 北京京东尚科信息技术有限公司 | Recording method and device |
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| CN101707700B (en) | 2013-02-27 |
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