CN102469297A - Method for displaying digital video on client in linkage way - Google Patents
Method for displaying digital video on client in linkage way Download PDFInfo
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- CN102469297A CN102469297A CN201010538055XA CN201010538055A CN102469297A CN 102469297 A CN102469297 A CN 102469297A CN 201010538055X A CN201010538055X A CN 201010538055XA CN 201010538055 A CN201010538055 A CN 201010538055A CN 102469297 A CN102469297 A CN 102469297A
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Abstract
The invention discloses a method for displaying the digital video on a client in a linkage way. The method comprises the following steps that: a video monitoring subsystem provides an application programming interface (API) for a linkage module to call; and when receiving an alarm/event, the linkage module acquires the current video pane layout of the video monitoring subsystem and display statuses of all video panes by calling the application programming interface to obtain a linkage display video pane number, and displays a real-time video image of the received alarm/event in the video pane number in real time without covering a video image being displayed. By the method, interference in the display of a real-time video being watched can be avoided when the video is displayed on a video monitoring display interface of the computer client in real time in the linkage way; and the method is applied to the video monitoring of an integrated security system.
Description
Technical field
The present invention relates to the field of video monitoring in the safety-protection system, particularly relate to a kind of method that interlock number clients word video shows on computer interface.
Background technology
The development of Along with computer technology, digital video monitoring technology and integrated software engineering; In a safety-protection system; CCTV (Closed Circuit Television; Closed-circuit television) video image in the supervisory control system shows more and more on computers, and integrates with other Monitor And Control Subsystems, forms an incorporate security protection integrated system that possesses the interlock function.
When certain the subsystem generation alarm/event in the security protection integrated system, it is exactly video interlink that means are checked in a kind of important manual work.System is shown to the video image of alarm/event scene on the terminal screen automatically, supplies the monitor staff to confirm whether to have taken place really certain alarm/event.
Can there be some problems in existing security protection integrated system when reality is used.Such as, design a linkage strategy, the video image of linkage display fixedly is presented in No. 1 video pane, certainly, under many circumstances, insure most like this, no matter the current video layout is how, video image one is revealed surely.But, and if then another incident has taken place again in system, another video image that linked, original video has been capped; And for example, the layout of video pane monitored personnel changed, and such as being arranged to the layout that single-image shows, linkage video image cover original video image shows so, then can influence monitor staff's normal monitoring work, or the like.
In the very high occasion of some security protection rank, like the airport, prison, the gate control system of army, warning system, anti-intrusion system; The garden of large-scale international activity such as the Olympic Games, World Expo and the security system of venue, or the like; Require very highly for the tightness of this logic of video interlink in the system, even the monitoring seat is set specially, require the monitor staff to dig-in the interlock video clip constantly, do not allow a carelessness.
In present many application software at home and abroad, generally adopted and carried out checking of alarm/event through the linkage display digital video.But in these Application of Linkage Control, do not provide as yet simultaneously, when repeatedly linking video, the video image of back interlock disturbs the solution of the normal monitoring of monitor staff.
Chinese invention patent ublic specification of application CN1365086A (application number: 01114040; Open day on August 21st, 2002) discloses a kind of " video interlink alarm system for entrance guard ", realized the video recording of induction cassette gate control system and digital video monitor system interlink warning; Be used to solve gate control system and have only the problem of reporting to the police and not having video, having overcome video monitoring system needs the shortcoming of video recording in 24 hours, but the video that does not solve back interlock in the real-time video interlock covers the problem of the video that is showing.
China utility model patent specification CN200983189Y (application number 200620034072.9; Granted publication day: on November 28th, 2007) disclose a kind of " audio/video linkage integrated machine for remote alarm monitoring "; Adopt modern micro-computer technology and memory technology; Can carry out audio-video record to the scene that incident takes place, as the foundation of post analysis process problem, but the problem of the video that the video covering of interlock is showing after also not described in the real-time video interlock.
Chinese invention patent Shen Qing Publication specification CN101330595A (application number: 200710042356.1; Open day: on December 28th, 2008) disclose a kind of " ultra long range radar and video linkage control system "; The informix of having realized the integrated and radar system of light, electric Observations Means uses; Present artificial optical observation search speed and all poor problem of accuracy have been solved; Realize digitlization, networking and the automation of optical observation, improved the speed and the precision of target search and tracking greatly, reduced operator on duty's labour intensity.But, the method how video that the video covering of interlock was showing after it did not provide in the real-time video interlock equally solves.
Summary of the invention
The technical problem that the present invention will solve provides the method that a kind of client numeral video that links shows, when the interlock real-time video shows on the video monitoring display interface of computer client, can avoid interference the demonstration of the real-time video of watching.
For solving the problems of the technologies described above, the method that interlock client numeral video of the present invention shows is to adopt following technical scheme to realize:
The video monitoring subsystem provides application programming interfaces (API), supplies the interlock module invokes; When the interlock module receives alarm/event; The interlock module is passed through calls application interface; Obtain the current video pane layout of video monitoring subsystem and the show state of all video panes; Obtain can linkage display video pane number, in this video pane number, show the alarm/event real time video image that is received in real time, and do not cover just in video image displayed.
The present invention is directed to the application characteristic of safety-protection system; The strategy that linkage video image shows on client end interface when alarm/event takes place in the safety-protection system is optimized; To the alarm/event that is taken place; Video interlink can exhaustively show in real time, and not influence the video image demonstration of watching.
The present invention can satisfy the requirement of video interlink in the safety-protection system of high level of security, reporting to the police when taking place, on client end interface, selects the video pane through certain algorithm conditionally, shows linkage video image; And can be when satisfying certain condition; The linkage video image that is shown is closed automatically; And then can avoid effectively at one time in the repeatedly video interlink of section; The video of back interlock produces the video of watching that has linked and covers, and disturbs the problem of monitor staff's monitoring work to produce.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed explanation:
The flow chart of opening at the moving video image of the video pane first line of a couplet when Fig. 1 is the alarm/event generation;
Fig. 2 is that alarm/event is identified/recovers the flow chart that the back is closed at the moving video image of the video pane first line of a couplet.
Embodiment
In one embodiment, the method that said interlock client numeral video shows, application programming interfaces that externally provide of design in the video monitoring subsystem supply the interlock module invokes.
The function that said interlock module can realize through application programming interfaces comprises: obtain current video pane layout in the video monitoring subsystem; Current video pane layout in the video monitoring subsystem is set; Obtain the show state of all video panes in the video monitoring subsystem; According to the camera number serve of appointment and video pane number, in the video monitoring subsystem, show linkage video image in real time; According to the camera number serve of appointment and video pane number, close the linkage video image that shows in real time in the video monitoring subsystem.
In one embodiment, the seriousness according to alarm/event is divided into alarm/event: four grades such as serious warning, moderate are reported to the police, slight warning, prompting incident.The alarm/event grade that sets in the present embodiment can be set according to actual needs, and sets the standard of each grade according to different situations, when waiting a certain alarm/event to take place, according to preset standard it is included into corresponding grade.
When serious warning or moderate warning take place, in the corresponding video pane of video monitoring subsystem, eject corresponding linkage video image automatically, and after the affirmation/recovery of reporting to the police, close corresponding linkage video image automatically.
When slight the warning taken place, in the corresponding video pane of video monitoring subsystem, eject corresponding linkage video image automatically, and closed the corresponding video image automatically after (time length can be provided with as required) in 15 seconds.
When the prompting incident takes place, in the video monitoring subsystem, can not eject the corresponding video image automatically.
The video monitoring subsystem possesses manual safeguards video image and state automatically updating function on the video pane, comprising: the option of selecting to eject the video pane behind the alarm logging of clicking on the alarm bar is provided; Provide manual work to close the function of video image on the designated pane; Video window trellis attitude automatically updating function is provided.Video window trellis attitude is preserved in calculator memory; The video monitoring subsystem is when receiving that warning recovers message; Confirm to close the video image of which pane according to the state of video pane; Perhaps when another reported to the police generation, the video monitoring subsystem was chosen idle pane and is shown real time video image according to the state of video pane.
In one embodiment; Method of the present invention with 1～No. 16 video pane in the video monitoring subsystem as interlock video pane; Wherein, No. 1 the video pane always shows the up-to-date once video image of interlock, selects 2～No. 16 idle video panes in the video pane also to show the up-to-date once video image of interlock simultaneously.Because No. 1 pane always shows up-to-date linkage video image, can avoid under the situation of the equal display video image of all video panes, the phenomenon that the video image of interlock can not linkage display in real time occurs.
Simultaneously, based on following reason, 2～No. 16 the video pane can be recycled to the full extent:
(1) warning is identified/closes automatically when recovering the video image of linkage display.
(2) " the slight warning " closed the corresponding video image after linkage display video image a period of time automatically.
(3) " prompting incident " video that wouldn't link shows, user's display video image just during request in the tabulation of reporting to the police.
(4) user can adopt manual mode to close the video image in the corresponding video pane on the video monitoring subsystem.
(5) user can adopt manual mode to change the display layout of video pane, as: be modified as 25 and cut apart (5 * 5), show just being dragged on No. 17 later video panes at the video image of linkage display.
Referring to shown in Figure 1, show in real time on the video pane when taking place that the control flow of linkage video image is following when reporting to the police:
Step 1, interlock module are waited for the generation of alarm/event.
Step 2, when the warning that number be AlarmId when reporting to the police takes place, after the interlock module is received,, alarm content is shown with various colors on the warning of video monitoring subsystem is tabulated through application programming interfaces according to alarm level.
If step 3 alarm/event grade is " a prompting incident ", then wouldn't be for further processing, forward step 1 to, continue to wait for that next alarm/event takes place.
If step 4 alarm/event grade is " seriously ", " moderate ", " slightly ", then execution in step 5.
Step 5, reading should camera linked CamId to reporting to the police in the interlock configuration.
Step 6, obtain the show state of video monitoring subsystem, comprise the show state (free time/camera number serve) of video pane layout and each video pane.
If pane number＜16 in the step 7 current video pane layout (each pane in 4 * 4 the layout of video monitoring subsystem acquiescence definition video pane is as the video pane of linkage display video image) then is provided with video pane layout and is 16 and cut apart; Current just number constant at the pairing video camera of video image displayed pairing video pane in video pane layout.
Step 8, search the idle video pane in the video pane 2～No. 16.
If step 9 does not find idle video pane, then on No. 1 video pane, show that camera number serve is the real time video image that video camera obtained of CamId; Forward step 1 then to, continue to wait for the generation of next alarm/event.
If step 10 finds idle video pane, then return first idle pane FreeWindId, the linkage display camera number serve is the real time video image that video camera obtained of CamId simultaneously on No. 1 video pane and FreeWindId video pane.
Step 11, (AlarmId, FreeWindId CamId) write interlock and carry out state in the information table and preserve, and put interlock information turn-on flag, represent that the interlock image of this warnings correspondence shows with the key message of interlock.
If step 12 alarm/event grade is " the slight warning "; Then according to closing corresponding video image automatically behind the pre-configured duration delay predetermined time; And upgrade the interlock information table and carry out forwarding step 1 to after state is preserved, continue to wait for the generation of next alarm/event.
So far, the event handling that once links is accomplished.For the historical alarm logging that is shown in the tabulation of reporting to the police, when the interlock module is received manual activation video display message, forward step 5 to.
In conjunction with shown in Figure 2, after the affirmation/recovery of reporting to the police, following at the control flow of the moving video image of video pane shangguan seco:
Step a, interlock module are waited for reporting to the police and are confirmed the generation of (be that the user confirms operation in native system, expression has confirmed to know this warning) and (promptly returning to the normal condition of non-warning from the alarm condition) incident of recovery of reporting to the police.
Step b, receive to report to the police when the interlock module and number confirmed by the user for the warning of AlarmId, perhaps report to the police recover after, change the upward color of this warning message of tabulation of reporting to the police.
Step c, interlock module read that corresponding the warning number is camera linked CamId of AlarmId institute and pane WindId in the interlock information table.
Steps d, interlock module read video window trellis attitude, i.e. the camera number serve CamId_W that shown for the video pane of WindId of video pane number.
If step e CamId equates with CamId_W, promptly do not crossed state by the user manual change, what close then that pane number shown for the video pane of WindId is the video image that video camera obtained of CamId from camera number serve.
Step f, turn back to step a.
Each video pane can be safeguarded through manual mode in the video monitoring subsystem, and concrete mode is:
(1) in the moving selection of a certain video pane left-hand seat " closing video flowing ", this video window trellis attitude promptly is changed to " free time ".
(2) use mouse the video image on a certain video pane to be dragged on the video pane of (perhaps expanded scope) after No. 17 and show that the state of this video pane promptly is changed to " free time ".
Adopt method of the present invention, the video image linkage display is come out, and do not influence just watching in video image displayed.
Further specify the control procedure of method of the present invention below in conjunction with another embodiment:
Special-purpose video interlink screen (being the video monitoring subsystem) is set on user's workbench, and during the system initial start, it all be the free time that the video interlink screen is gone up all video panes.
When the 1st alarm/event takes place, obtain and be assumed to be 1001 by the camera number serve of linkage display after the interlock module reads 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 takes place, obtain and be assumed to be 2001 by the camera number serve of linkage display after the interlock module reads 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 does not all have to change; The user does not have manual intervention to cross the video interlink screen yet; Then the video interlink screen is when reporting to the police arrival for the 15th; All idle window all are filled, and take place to report to the police just can only on No. 1 window, cover to have shown that this is the problem that needs solve later on again.For this reason, adopt following strategy can avoid the generation of this problem to the full extent: for " prompting incident " and " the slight warning ", there is the mechanism of " wouldn't open " and " closing automatically " in system; And for " the serious warning " and " moderate warning "; After the monitor staff sees warning, should go to confirm, handle; Perhaps warning itself can recover (door such as in the gate control system is closed again after opening, anti-intrusion system reset and withdraw a garrison) automatically, and at this moment video window also can be closed automatically.And system also provides the user can the video in 2～No. 16 windows be dragged to the function that shows in No. 17 later extended window, and artificially closes the function that video shows; Like this, the part in 2～No. 16 windows always can be kept the free time, and the video of new interlock can not hinder original watching of video image displayed.
More than through embodiment the present invention has been carried out detailed explanation, but these are not to be construed as limiting the invention.Under the situation that does not break away from the principle of the invention, those skilled in the art also can make many distortion and improvement, and these also should be regarded as protection scope of the present invention.
Claims (6)
1. method that the client numeral video that links shows, it is characterized in that: the video monitoring subsystem provides application programming interfaces, supplies the interlock module invokes; When the interlock module receives alarm/event; The interlock module is passed through calls application interface; Obtain the current video pane layout of video monitoring subsystem and the show state of all video panes; Obtain can linkage display video pane number, in this video pane number, show the alarm/event real time video image that is received in real time, and do not cover just in video image displayed.
2. the method for claim 1 is characterized in that: said interlock module is obtained current video pane layout in the video monitoring subsystem through application programming interfaces; Current video pane layout in the video monitoring subsystem is set; Obtain the show state of all video panes in the video monitoring subsystem; According to the camera number serve of appointment and video pane number, in the video monitoring subsystem, show linkage video image in real time; According to the camera number serve of appointment and video pane number, close the linkage video image that shows in real time in the video monitoring subsystem.
3. the method for claim 1, it is characterized in that: the seriousness according to alarm/event is divided into alarm/event: seriously report to the police, four grades such as moderate is reported to the police, slight warning, prompting incident;
When serious warning or moderate warning take place, in the corresponding video pane of video monitoring subsystem, eject corresponding linkage video image automatically, and after the affirmation/recovery of reporting to the police, close corresponding linkage video image automatically;
When slight the warning taken place, in the corresponding video pane of video monitoring subsystem, eject corresponding linkage video image automatically, and close the corresponding video image automatically through behind the Preset Time.
When the prompting incident takes place, in the video monitoring subsystem, can not eject corresponding video automatically.
4. the method for claim 1; It is characterized in that: with 1～No. 16 video pane in the video monitoring subsystem as interlock video pane; Wherein, No. 1 the video pane always shows the up-to-date once video image of interlock, and selects 2～No. 16 idle video panes in the video pane to show the up-to-date once video image of interlock simultaneously; When not having idle video pane in 2～No. 16 video panes, then only show at No. 1 video pane.
5. the method for claim 1 is characterized in that: in the tabulation of reporting to the police, request is set and opens the function that video image shows;
All Alerts/incident shows in the tabulation of reporting to the police that all as long as in the tabulation of reporting to the police, select " video unlatching ", the video image of the required interlock of can will reporting to the police is opened when the user need check.
6. the method for claim 1, it is characterized in that: the user can directly close video image displayed on the video pane through manual mode, perhaps video image is dragged on the video pane of expansion to show.
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| CN201010538055.XA CN102469297B (en) | 2010-11-10 | 2010-11-10 | The method that digital video on client in linkage way shows |
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| CN201010538055.XA CN102469297B (en) | 2010-11-10 | 2010-11-10 | The method that digital video on client in linkage way shows |
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| WO2023273672A1 (en) * | 2021-06-29 | 2023-01-05 | 杭州海康威视数字技术股份有限公司 | Method and apparatus for controlling display screen |
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