CN102469297B - The method that digital video on client in linkage way shows - Google Patents
The method that digital video on client in linkage way shows Download PDFInfo
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- CN102469297B CN102469297B CN201010538055.XA CN201010538055A CN102469297B CN 102469297 B CN102469297 B CN 102469297B CN 201010538055 A CN201010538055 A CN 201010538055A CN 102469297 B CN102469297 B CN 102469297B
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Abstract
The invention discloses a kind of method that digital video on client in linkage way shows, video monitoring subsystem provides an application programming interfaces (API), calls for interlocking module；When interlocking module receives alarm/event, interlocking module passes through calls application interface, obtain the current video pane layout of video monitoring subsystem and the display state of all video panes, obtaining can the video pane number of linkage display, this video pane number shows alarm/event real time video image in real time that receive, and does not cover the video image shown。The present invention link on the video monitoring display interface of computer client real-time video display time, it is possible to avoid interference the display of the real-time video watched；Video monitoring suitable in security protection integrated system。
Description
Technical field
The present invention relates to the field of video monitoring in safety-protection system, particularly relate to a kind of method that digital video on client in linkage way shows on computer interface。
Background technology
Development along with computer technology, digital video monitoring technology and integrated software engineering, in a safety-protection system, CCTV (ClosedCircuitTelevision, closed-circuit television) video image in monitoring system shows more and more on computers, and integrate with other Monitor And Control Subsystems, form an integrated security protection integrated system possessing linkage function。
When certain subsystem generation alarm/event in security protection integrated system, a kind of important manual review's means are exactly video interlink。The video image of alarm/event scene is shown on terminal screen by system automatically, is confirmed whether really to there occurs certain alarm/event for monitoring personnel。
Can there are some problems in existing security protection integrated system when actually used。Such as, designing a linkage strategy, being shown in fixing for the video image of linkage display in No. 1 video pane, certainly, under many circumstances, so insuring most, no matter current video layout how, and video image one is revealed surely。But, and if then system there occurs again another event, linked another video image, and original video is capped；And for example, the layout of video pane monitored personnel change, and is such as arranged to the layout that single-image shows, then linkage video image covers original video image and shows, then what can affect monitoring personnel normally monitors work, etc.。
In the occasion that some security protection rank is significantly high, such as airport, prison, the gate control system of army, warning system, anti-intrusion system；The garden of the large-scale international activity such as the Olympic Games, World Expo and the security system of venue, etc.；Require very high for the tightness of this logic of video interlink in system, monitoring seat is set even specially, it is desirable to monitoring personnel dig-in linkage video clip constantly, do not allow a carelessness。
At present in many application softwaries at home and abroad, commonly used carry out checking of alarm/event by linkage display digital video。But in these Application of Linkage Control, not yet provide simultaneously, repeatedly linkage video time, the solution that the video image interference monitoring personnel of rear linkage normally monitor。
Chinese invention patent application prospectus CN1365086A (application number: 01114040, publication date on August 21st, 2002) disclose one " video interlink alarm system for entrance guard ", it is achieved sensing cassette gate control system and the video recording of digital video monitor system interlink warning；The problem reported to the police without video for solving gate control system to only have, overcomes video monitoring system and needs the shortcoming of video recording in 24 hours, but be not solved by the problem that in real-time video linkage, the video of rear linkage covers the video shown。
Chinese utility model patent description CN200983189Y (application number 200620034072.9, authorized announcement date: on November 28th, 2007) disclose one " audio/video linkage integrated machine for remote alarm monitoring ", adopt modern micro-computer technology and memory technology, the scene of the event of generation can be carried out audio-video recording, as the foundation of post analysis process problem, but the problem that after in real-time video linkage, the video of linkage covers the video shown was not described yet。
Chinese invention patent application Publication Specification CN101330595A (application number: 200710042356.1, publication date: on December 28th, 2008) disclose one " ultra long range radar and video linkage control system ", the informix of the integration and radar system that achieve optical, electrical Observations Means uses, solve the problem that at present artificial optical observation search speed and accuracy are all poor, achieve the digitized of optical observation, networking and automatization, it is greatly improved speed and the precision of target search and tracking, reduces the labor intensity of operator on duty。But, it covers, also without providing the video of linkage after in real-time video linkage, the method how video shown solves。
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of method that digital video on client in linkage way shows, when the real-time video that links on the video monitoring display interface of computer client shows, it is possible to avoid interference the display of the real-time video watched。
For solving above-mentioned technical problem, the method that the digital video on client in linkage way of the present invention shows adopts the following technical scheme that realization:
Video monitoring subsystem provides an application programming interfaces (API), calls for interlocking module；When interlocking module receives alarm/event, interlocking module passes through calls application interface, obtain the current video pane layout of video monitoring subsystem and the display state of all video panes, obtaining can the video pane number of linkage display, this video pane number shows alarm/event real time video image in real time that receive, and does not cover the video image shown。
The present invention is directed to the application characteristic of safety-protection system, the strategy that in safety-protection system, during generation alarm/event, linkage video image shows on client end interface is optimized, to the alarm/event occurred, video interlink can exhaustively display in real time, and do not affect the video image watched and show。
The present invention disclosure satisfy that the requirement of video interlink in the safety-protection system of high level of security, report to the police occur time, conditionally by certain algorithms selection video pane on client end interface, show linkage video image；And can when meeting certain condition, shown linkage video image is automatically switched off, and then can be effectively prevented from the repeatedly video interlink of same time period, the video of the rear linkage video watched to having linked produces to cover, and the problem of the monitoring work of interference monitoring personnel produces。
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further detailed explanation with detailed description of the invention:
The flow chart opened at the dynamic video image of the video pane first line of a couplet when Fig. 1 is alarm/event generation；
Fig. 2 is the flow chart closed at the dynamic video image of the video pane first line of a couplet after alarm/event is identified/recovers。
Detailed description of the invention
In one embodiment, the method that described digital video on client in linkage way shows, designs the application programming interfaces of an external offer in video monitoring subsystem, calls for interlocking module。
The function that described interlocking module is capable of by application programming interfaces includes: obtain current video pane layout in video monitoring subsystem；Current video pane layout in video monitoring subsystem is set；Obtain the display state of all video panes in video monitoring subsystem；According to the camera number serve specified and video pane number, video monitoring subsystem shows linkage video image in real time；According to the camera number serve specified and video pane number, close the linkage video image of display in real time in video monitoring subsystem。
In one embodiment, the seriousness according to alarm/event, alarm/event is divided into: four grades such as serious warning, moderate are reported to the police, slight warning, prompting event。Alarm/event grade set in the present embodiment, it is possible to be set according to actual needs, and set the standard of each grade according to different situations, when waiting a certain alarm/event to occur, the standard according to setting in advance is classified to corresponding grade。
When occurring serious warning or moderate to report to the police, the corresponding linkage video image of automatic spring in the corresponding video pane of video monitoring subsystem, and after alarming determining/recovery, it is automatically switched off corresponding linkage video image。
When occurring slightly to report to the police, the corresponding linkage video image of automatic spring in the corresponding video pane of video monitoring subsystem, and it is automatically switched off corresponding video image after (time length can be arranged as required to) in 15 seconds。
When there is prompting event, will not automatic spring corresponding video image in video monitoring subsystem。
Video monitoring subsystem possesses safeguards video image and state automatically updating function on video pane by hand, including: select to eject the option of video pane after the alarm logging clicked on alarm bar is provided；There is provided artificial and close the function of video image on designated pane；Video window trellis state automatically updating function is provided。Video window trellis state preserves in calculator memory, video monitoring subsystem is when receiving warning and recovering message, state according to video pane determines the video image closing which pane, or when another reports to the police generation, the video monitoring subsystem state according to video pane, chooses idle pane display real time video image。
In one embodiment, the method of the present invention using 1～No. 16 video pane in video monitoring subsystem as linkage video pane, wherein, No. 1 video pane always shows the up-to-date video image once linked, and selects an idle video pane in 2～No. 16 video panes to display that the up-to-date video image once linked simultaneously。Owing to No. 1 pane always shows up-to-date linkage video image, it is possible to avoid when all video panes all show video image, the video image of real-time linkage can not linkage display phenomenon occur。
Meanwhile, based on following reason, 2～No. 16 video panes can be recycled to the full extent:
(1) warning is automatically switched off the video image of linkage display when being identified/recover。
(2) linkage display of " slightly reporting to the police " is automatically switched off corresponding video image after video image a period of time。
(3) " prompting event " video that wouldn't link shows, just shows video image when user asks in alarm list。
(4) user can adopt the video image manually closing in corresponding video pane on video monitoring subsystem。
(5) user can adopt manual mode to change the display layout of video pane, as: it is modified as 25 segmentations (5 × 5), shows being just dragged on No. 17 later video panes at the video image of linkage display。
Shown in Figure 1, on video pane, show when occurring when reporting to the police that the control flow of linkage video image is as follows in real time:
Step 1, interlocking module wait the generation of alarm/event。
Step 2, when reporting to the police number be a warning of AlarmId when occurring, after interlocking module receives, according to alarm level, alarm content is passed through application programming interfaces and shows with different colors on the alarm list of video monitoring subsystem。
If step 3 alarm/event grade is " prompting event ", then wouldn't be for further processing, forward step 1 to, continue waiting for next alarm/event and occur。
If step 4 alarm/event grade is " seriously ", " moderate ", " slightly ", then perform step 5。
To the camera number serve CamId that link that should report to the police in step 5, reading linkage configuration。
Step 6, obtain the display state of video monitoring subsystem, including the display state (free time/camera number serve) of video pane layout and each video pane。
If pane number < 16 (each pane in the layout of the 4 × 4 of video monitoring subsystem default definition video pane is as the video pane of linkage display video image) in step 7 current video pane layout, then arranging video pane layout is 16 segmentations；The video camera corresponding to video image being currently displaying video pane number corresponding in video pane layout is constant。
Step 8, the idle video pane searched in 2～No. 16 video panes。
Step 9, without finding idle video pane, then on No. 1 video pane, show the real time video image that video camera that camera number serve is CamId is acquired；Then go to step 1, continue waiting for the generation of next alarm/event。
If step 10 finds idle video pane, then returning first idle pane FreeWindId, on No. 1 video pane and FreeWindId video pane, simultaneously linkage display camera number serve is the acquired real time video image of the video camera of CamId。
Step 11, key message (AlarmId, FreeWindId, CamId) the write linkage information table of linkage will carry out state preservation, and put linkage information and have turned on labelling, represent that linkage image corresponding to this warning has shown that。
If step 12 alarm/event grade is " slightly reporting to the police ", then it is automatically switched off corresponding video image according to after the duration delay predetermined time being pre-configured with, and update after linkage information table carries out state preservation and forward step 1 to, continue waiting for the generation of next alarm/event。
So far, once linkage event handling completes。For history alarm logging shown in alarm list, when interlocking module receives manual activation video display message, forward step 5 to。
Shown in Fig. 2, when, after alarming determining/recovery, the control flow closing linkage video image on video pane is as follows:
Step a, interlocking module wait the generation of alarming determining (namely user carries out confirming operation in the present system, and expression has confirmed that knows that this reports to the police) and (namely returning to the normal condition of non-warning from the alarm condition) event of recovery of reporting to the police。
Step b, number it is confirmed by the user for a warning of AlarmId when interlocking module receives to report to the police, or after reporting to the police and recovering, changes the color of this warning message on alarm list。
It is the AlarmId camera number serve CamId linked and pane WindId that step c, interlocking module read corresponding warning number in linkage information table。
Step d, interlocking module read video window trellis state, the camera number serve CamId_W shown by video pane that namely video pane number is WindId。
If step e CamId and CamId_W is equal, namely do not crossed state by user manual change, then close the video image acquired from the video camera that camera number serve is CamId shown by video pane that pane number is WindId。
Step f, return to step a。
In video monitoring subsystem, each video pane can mode manually be safeguarded, concrete mode is:
(1) the dynamic selection " closedown video flowing " of a certain video pane left-hand seat, namely this video window trellis state is set to " free time "。
(2) using mouse to be dragged to by the video image on a certain video pane on the video pane of (or expanded scope) after No. 17 to show, namely the state of this video pane is set to " free time "。
Adopt method of the invention, it is possible to make video image linkage display out, and do not affect the viewing of the video image shown。
The control process of the method for the present invention is further illustrated below in conjunction with another embodiment:
Arranging special video interlink screen (i.e. video monitoring subsystem) on the workbench of user, during system initial start, on video interlink screen, all video panes are all idle。
When the 1st alarm/event occurs, interlocking module obtains being assumed to be 1001 by the camera number serve of linkage display after reading configuration, then No. 1 pane of video interlink screen and No. 2 panes show the video image of No. 1001 video cameras simultaneously。
After the 2nd alarm/event occurs, interlocking module obtains being assumed to be 2001 by the camera number serve of linkage display after reading configuration, then No. 1 pane of video interlink screen and No. 3 panes show the video image of No. 2001 video cameras simultaneously。
If the state of these warnings is all without change, user crosses video interlink screen also without manual intervention, then video interlink screen is when reporting to the police and arrive for the 15th, and all of idle window is all filled, occurring to report to the police just to cover on No. 1 window to show, this is a problem needing to solve later again。For this, adopt following strategy can avoid the generation of this problem to the full extent: for " prompting event " and " slightly report to the police ", system has the mechanism of " wouldn't open " and " being automatically switched off "；And for " seriously reporting to the police " and " moderate warning ", after monitoring personnel see warning, should go to confirm, process, or warning itself can recover (door in such as gate control system closes again after opening, the reset of anti-intrusion system with withdraw a garrison) automatically, and at this moment video window also can be automatically switched off。Further, system also provides for user can be dragged in No. 17 later extended window the function of display by the video in 2～No. 16 windows, and artificial closes the function that video shows；So, the part in 2～No. 16 windows is always able to maintain that the free time, and the video of new linkage can not interfere with the viewing of the video image originally having shown that。
Above by embodiment, the present invention is described in detail, but these have not been construed as limiting the invention。Without departing from the principles of the present invention, those skilled in the art it may also be made that many deformation and improvement, and these also should be regarded as protection scope of the present invention。
Claims (6)
1. the method that a digital video on client in linkage way shows, it is characterised in that: video monitoring subsystem provides application programming interfaces, calls for interlocking module；When interlocking module receives alarm/event, interlocking module passes through calls application interface, obtain the current video pane layout of video monitoring subsystem and the display state of all video panes, obtaining can the video pane number of linkage display, this video pane number shows alarm/event real time video image in real time that receive, and does not cover the video image shown。
2. the method for claim 1, it is characterised in that: described interlocking module passes through application programming interfaces, obtains current video pane layout in video monitoring subsystem；Current video pane layout in video monitoring subsystem is set；Obtain the display state of all video panes in video monitoring subsystem；According to the camera number serve specified and video pane number, video monitoring subsystem shows linkage video image in real time；According to the camera number serve specified and video pane number, close the linkage video image of display in real time in video monitoring subsystem。
3. the method for claim 1, it is characterised in that: the seriousness according to alarm/event, alarm/event is divided into: four grades such as serious warning, moderate are reported to the police, slight warning, prompting event；
When occurring serious warning or moderate to report to the police, the corresponding linkage video image of automatic spring in the corresponding video pane of video monitoring subsystem, and after alarming determining/recovery, it is automatically switched off corresponding linkage video image；
When occurring slightly to report to the police, the corresponding linkage video image of automatic spring in the corresponding video pane of video monitoring subsystem, and after Preset Time, it is automatically switched off corresponding video image；
When there is prompting event, will not automatic spring corresponding video in video monitoring subsystem。
4. the method for claim 1, it is characterized in that: using 1～No. 16 video pane in video monitoring subsystem as linkage video pane, wherein, No. 1 video pane always shows the up-to-date video image once linked, and select an idle video pane in 2～No. 16 video panes to show the up-to-date video image once linked simultaneously, when 2～No. 16 video panes do not have idle video pane, then only show at No. 1 video pane。
5. the method for claim 1, it is characterised in that: the function that video image shows is opened in the request that arranges in alarm list；
All Alerts/event all shows in alarm list, as long as selecting " video unlatching " when user needs to check in alarm list, can be opened by the video image of linkage required for this warning。
6. the method for claim 1, it is characterised in that: user mode manually can directly close on video pane the video image of display, or is dragged on the video pane of extension to show video image。
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| CN102902584B (en) * | 2012-09-27 | 2016-03-02 | 北京国双科技有限公司 | The monitoring method that on ios platform, app view switches and device |
| CN107958578A (en) * | 2017-12-27 | 2018-04-24 | 江苏联宏智慧能源股份有限公司 | A kind of energy management system alarm linkage method |
| CN110032701B (en) * | 2019-04-04 | 2021-07-09 | 网易（杭州）网络有限公司 | Image display control method and device, storage medium and electronic equipment |
| CN113473083B (en) * | 2021-06-29 | 2022-09-16 | 杭州海康威视数字技术股份有限公司 | Display screen control method and device |
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