CN106850433A - The video trunk management method and device of a kind of video monitoring system - Google Patents
The video trunk management method and device of a kind of video monitoring system Download PDFInfo
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- CN106850433A CN106850433A CN201710020027.0A CN201710020027A CN106850433A CN 106850433 A CN106850433 A CN 106850433A CN 201710020027 A CN201710020027 A CN 201710020027A CN 106850433 A CN106850433 A CN 106850433A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/12—Shortest path evaluation
- H04L45/123—Evaluation of link metrics
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/70—Routing based on monitoring results
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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Abstract
The invention discloses the video trunk management method and device of a kind of video monitoring system, the method includes：According to the playing request of active user, the corresponding control point position monitoring device of the playing request to all cascade pathways of targeted surveillance equipment is determined；In all cascade pathways that judgement is determined, if there is the cascade pathway for meeting control point digital video importance degree condition；If in the presence of in the cascade pathway for meeting control point digital video importance degree condition, the cascade pathway of selection video trunk optimal quality is used as the corresponding cascade pathway of active user.By selecting cascade pathway using control point digital video importance degree condition, and in the cascade pathway for meeting the control point digital video importance degree condition, select the cascade pathway of video trunk optimal quality, so that video trunk management is more rationally, and the video image effect of targeted surveillance device plays is more preferable.
Description
Technical field
The present invention relates to technical field of video monitoring, the video trunk management method and dress of espespecially a kind of video monitoring system
Put.
Background technology
For the utilization of video trunk resource all it is unordered, without management and control in video matrix networked system, thus can
There is the situation that video trunk resource is randomly assigned by user, seizes, cause business normally to carry out.Such as, emergency
Under, when certain user needs to check certain control point video, because video trunk resource is all taken by other users, cause to ignore
Frequency main line can use, and check that video fails.Again such as, when different user checks identical control point, it is impossible to quick to find correspondence
Cascade pathway, lead to not quickly play control point video.
In order to the camera video of user's request source control point position is shown, it is necessary to from video matrix on target monitor
In networked system, calculate and select the cascade pathway of to transmit video, the cascade pathway is exactly to be networked to be by video matrix
What a series of video trunk linking of video matrixs of system was combined.This is accomplished by entering the video trunk of video matrix system
Row effectively distribution and management.
In the prior art, the general method using shortest path determines cascade pathway, i.e., from video matrix networked system
That minimum cascade pathway of the video trunk number for constituting the cascade pathway is selected as the path of final transmission video.Should
Although method ensure that video is most short in the path of the transmission of whole matrix networked system, but the shortcoming of the program is a lot,
The quality of the cascade pathway of such as shortest path is likely to be worst, ultimately results in video image effect poor.
To sum up, the video trunk in reasonable management video monitoring system is unable in the prior art.
The content of the invention
The embodiment of the present invention provides the video trunk management method and device of a kind of video monitoring system, is used to solve existing
The problem of the video trunk being unable to present in technology in reasonable management video monitoring system.
A kind of video trunk management method of video monitoring system is the embodiment of the invention provides, including：
According to the playing request of active user, determine that the corresponding control point position monitoring device of the playing request is supervised to target
Depending on all cascade pathways of equipment；The cascade pathway is, the vision signal of control point position monitoring device by video matrix and
Video trunk is transmitted to the directed walk of targeted surveillance equipment；
In all cascade pathways that judgement is determined, if there is the level UNICOM for meeting control point digital video importance degree condition
Road；The control point digital video importance degree condition is the control point of all video trunk current transmissions for constituting the cascade pathway
Digital video importance degree is below the control point digital video importance degree that active user's request is played；
If in the presence of in the cascade pathway for meeting control point digital video importance degree condition, selection video trunk quality is most
Excellent cascade pathway is used as the corresponding cascade pathway of active user.
In a kind of possible implementation, in the video trunk of above-mentioned video monitoring system provided in an embodiment of the present invention
In management method, in all cascade pathways for judging to determine, if exist and meet control point digital video importance degree condition
Cascade pathway, including：
In all cascade pathways that judgement is determined, if there is the cascade pathway of free time；
If in the absence of idle cascade pathway, in judging all cascade pathways determined, if there is satisfaction monitoring
The cascade pathway of point digital video importance degree condition.
In a kind of possible implementation, in the video trunk of above-mentioned video monitoring system provided in an embodiment of the present invention
In management method, also include：
If in the presence of idle cascade pathway, in idle cascade pathway, selecting the cascade of video trunk optimal quality
Path is used as the corresponding cascade pathway of active user.
In a kind of possible implementation, in the video trunk of above-mentioned video monitoring system provided in an embodiment of the present invention
In management method, if described in the absence of idle cascade pathway, in judging all cascade pathways determined, if exist full
The cascade pathway of sufficient control point digital video importance degree condition, including：
If in the absence of idle cascade pathway, in judging all cascade pathways determined, if there is satisfaction preferential
The cascade pathway of level condition；The priority conditions are to take the corresponding user of all video trunks for constituting the cascade pathway
Priority be below the priority of active user；
If in the absence of the cascade pathway for meeting priority conditions, in judging all cascade pathways determined, if deposit
Meeting the cascade pathway of control point digital video importance degree condition.
In a kind of possible implementation, in the video trunk of above-mentioned video monitoring system provided in an embodiment of the present invention
In management method, also include：
If in the presence of the cascade pathway for meeting priority conditions, in the cascade pathway for meeting priority conditions, selection is regarded
The cascade pathway of frequency main line optimal quality is used as the corresponding cascade pathway of active user.
In a kind of possible implementation, in the video trunk of above-mentioned video monitoring system provided in an embodiment of the present invention
In management method, also include：
If in the absence of the cascade pathway for meeting control point digital video importance degree condition, judging all grades of UNICOMs for determining
Lu Zhong, if there is the cascade pathway for meeting priority conditions；The priority conditions are to take the institute for constituting the cascade pathway
The priority for having the corresponding user of video trunk is below the priority of active user；
If in the presence of the cascade pathway for meeting priority conditions, in the cascade pathway for meeting priority conditions, selection is regarded
The cascade pathway of frequency main line optimal quality is used as the corresponding cascade pathway of active user.
In a kind of possible implementation, in the video trunk of above-mentioned video monitoring system provided in an embodiment of the present invention
In management method, the playing request according to active user determines the corresponding control point position monitoring device of the playing request
To all cascade pathways of targeted surveillance equipment, including：
Build the video trunk connected graph of the video monitoring system；
According to the video trunk connected graph and the playing request of active user, the corresponding prison of the playing request is determined
All cascade pathways of the control point position monitoring device to targeted surveillance equipment.
In a kind of possible implementation, in the video trunk of above-mentioned video monitoring system provided in an embodiment of the present invention
In management method, the video trunk connected graph of the video monitoring system builds in the following manner：
Each control point position monitoring device, each video matrix input port and output end in the video monitoring system
Mouth, and each supervision equipment is numbered according to preset order；
Create two-dimensional array；The line number and columns of the two-dimensional array be control point position monitoring device, video matrix it is defeated
Inbound port and output port, and monitoring device number summation；
In the two-dimensional array, the connection of each control point position monitoring device and each video matrix input port is marked respectively
The connected relation of relation, each video matrix input port and output port, and each video matrix output port and supervision equipment
Connected relation, obtain the video trunk connected graph of the video monitoring system.
The embodiment of the present invention additionally provides a kind of video trunk managing device of video monitoring system, including：
Cascade pathway determining module, for the playing request according to active user, determines the corresponding prison of the playing request
All cascade pathways of the control point position monitoring device to targeted surveillance equipment；The cascade pathway is, control point position monitoring device
Vision signal is transmitted to the directed walk of targeted surveillance equipment by video matrix and video trunk；
First judge module, in all cascade pathways determined for judgement, if exist and meet control point digital video
The cascade pathway of importance degree condition；The control point digital video importance degree condition is that all videos for constituting the cascade pathway are done
The control point digital video importance degree of line current transmission is below the control point digital video importance degree that active user's request is played；
First determining module, if in the presence of, in the cascade pathway for meeting control point digital video importance degree condition, choosing
The cascade pathway of video trunk optimal quality is selected as the corresponding cascade pathway of active user.
In a kind of possible implementation, in the video trunk of above-mentioned video monitoring system provided in an embodiment of the present invention
In managing device, the first judge module is used for：
In all cascade pathways that judgement is determined, if there is the cascade pathway of free time；
If in the absence of idle cascade pathway, in judging all cascade pathways determined, if there is satisfaction monitoring
The cascade pathway of point digital video importance degree condition.
In a kind of possible implementation, in the video trunk of above-mentioned video monitoring system provided in an embodiment of the present invention
In managing device, also include：
Second determining module, if in the presence of idle cascade pathway, in idle cascade pathway, selection video is done
The optimal cascade pathway of line mass is used as the corresponding cascade pathway of active user.
In a kind of possible implementation, in the video trunk of above-mentioned video monitoring system provided in an embodiment of the present invention
In managing device, first judge module, specifically for：
If in the absence of idle cascade pathway, in judging all cascade pathways determined, if there is satisfaction preferential
The cascade pathway of level condition；The priority conditions are to take the corresponding user of all video trunks for constituting the cascade pathway
Priority be below the priority of active user；
If in the absence of the cascade pathway for meeting priority conditions, in judging all cascade pathways determined, if deposit
Meeting the cascade pathway of control point digital video importance degree condition.
In a kind of possible implementation, in the video trunk of above-mentioned video monitoring system provided in an embodiment of the present invention
In managing device, also include：
3rd determining module, if in the presence of the cascade pathway for meeting priority conditions, meeting priority conditions
In cascade pathway, the cascade pathway of video trunk optimal quality is selected as the corresponding cascade pathway of active user.
In a kind of possible implementation, in the video trunk of above-mentioned video monitoring system provided in an embodiment of the present invention
In managing device, also include：
3rd judge module, if in the absence of the cascade pathway for meeting control point digital video importance degree condition, judging
In all cascade pathways determined, if there is the cascade pathway for meeting priority conditions；The priority conditions are to take
The priority for constituting the corresponding user of all video trunks of the cascade pathway is below the priority of active user；
4th determining module, if in the presence of the cascade pathway for meeting priority conditions, meeting priority conditions
In cascade pathway, the cascade pathway of video trunk optimal quality is selected as the corresponding cascade pathway of active user.
In a kind of possible implementation, in the video trunk of above-mentioned video monitoring system provided in an embodiment of the present invention
In managing device, the determining module, including：
Connected graph builds module, the video trunk connected graph for building the video monitoring system；
Cascade pathway determination sub-module, for the playing request according to the video trunk connected graph and active user,
Determine the corresponding control point position monitoring device of the playing request to all cascade pathways of targeted surveillance equipment.
In a kind of possible implementation, in the video trunk of above-mentioned video monitoring system provided in an embodiment of the present invention
In managing device, the connected graph builds module, including：
Numbered cell, for each control point position monitoring device, the input of each video matrix in the video monitoring system
Port and output port, and each supervision equipment are numbered according to preset order；
Array creating unit, for creating two-dimensional array；The line number and columns of the two-dimensional array are the monitoring of control point position
The input port and output port of equipment, video matrix, and monitoring device number summation；
Connected relation determining unit, in the two-dimensional array, mark respectively each control point position monitoring device with it is each
The connected relation of the connected relation of video matrix input port, each video matrix input port and output port, and each video
Matrix output port and the connected relation of supervision equipment, obtain the video trunk connected graph of the video monitoring system.
The present invention has the beneficial effect that：
The video trunk management method and device of video monitoring system provided in an embodiment of the present invention, the method include：Root
According to the playing request of active user, the corresponding control point position monitoring device of the playing request to all of targeted surveillance equipment is determined
Cascade pathway；Cascade pathway is that the vision signal of control point position monitoring device is transmitted to mesh by video matrix and video trunk
Mark the directed walk of supervision equipment；In all cascade pathways for determining of judgement, if having that to meet control point digital video important
The cascade pathway of degree condition；Control point digital video importance degree condition is that all video trunks for constituting the cascade pathway work as forward pass
Defeated control point digital video importance degree is below the control point digital video importance degree that active user's request is played；If in the presence of,
Meet in the cascade pathway of control point digital video importance degree condition, select the cascade pathway of video trunk optimal quality as current
The corresponding cascade pathway of user.Video trunk management method provided in an embodiment of the present invention, using control point digital video importance degree
Condition selects cascade pathway, and in the cascade pathway for meeting the control point digital video importance degree condition, selects video trunk
The cascade pathway of optimal quality, the vision signal prioritised transmission for making control point digital video importance degree higher, and select video to do
The optimal cascade pathway of line mass so that video trunk management more rationally, and targeted surveillance device plays video image
Effect is more preferable.
Brief description of the drawings
Fig. 1 is one of flow chart of video trunk management method of video monitoring system provided in an embodiment of the present invention；
Fig. 2 is one of structural representation of video monitoring system；
Fig. 3 is the two of the flow chart of the video trunk management method of video monitoring system provided in an embodiment of the present invention；
Fig. 4 is the three of the flow chart of the video trunk management method of video monitoring system provided in an embodiment of the present invention；
Fig. 5 is the video trunk connected graph construction method flow chart of video monitoring system；
Fig. 6 is the two of the structural representation of video monitoring system；
Fig. 7 is the directed walk figure of the transmission of video in the video monitoring system shown in Fig. 6；
Fig. 8 is the structural representation of the video trunk managing device of video monitoring system provided in an embodiment of the present invention.
Specific embodiment
For the problem of the video trunk being unable to present in prior art in reasonable management video monitoring system, the present invention
Embodiment provides a kind of video trunk management method of video monitoring system.
Below in conjunction with the accompanying drawings, to the specific of the video trunk management method of video monitoring system provided in an embodiment of the present invention
Implementation method is described in detail.
As shown in figure 1, a kind of video trunk management method of video monitoring system is the embodiment of the invention provides, including：
S101, the playing request according to active user, determine the corresponding control point position monitoring device of the playing request to mesh
Mark all cascade pathways of supervision equipment；Cascade pathway is, the vision signal of control point position monitoring device by video matrix and
Video trunk is transmitted to the directed walk of targeted surveillance equipment；
In all cascade pathways that S102, judgement are determined, if exist and meet control point digital video importance degree condition
Cascade pathway；Control point digital video importance degree condition is the monitoring of all video trunk current transmissions for constituting the cascade pathway
Point digital video importance degree is below the control point digital video importance degree that active user's request is played；
If S103, in the presence of, in the cascade pathway for meeting control point digital video importance degree condition, select video trunk matter
The optimal cascade pathway of amount is used as the corresponding cascade pathway of active user.
The video trunk management method of video monitoring system provided in an embodiment of the present invention, it is important using control point digital video
Degree condition selects cascade pathway, and in the cascade pathway for meeting the control point digital video importance degree condition, selection video is done
The optimal cascade pathway of line mass, the vision signal prioritised transmission for making control point digital video importance degree higher, and select video
The cascade pathway of main line optimal quality so that video trunk management more rationally, and targeted surveillance device plays video figure
As effect is more preferable.
Fig. 2 is the structural representation of video monitoring system, and video monitoring system is typically set by multiple each control point position monitoring
Standby 202, at least two video matrixs 201 and multiple supervision equipments 203 are constituted, with the video matrix 201 of two 4 × 4 in Fig. 2
As a example by illustrate, in actual applications, the video matrix 201 in video monitoring system, and each video matrix 201 is defeated
Inbound port and output port can also be other quantity, quantity herein not to video matrix 201 and video matrix 201
The quantity of input port and output port is defined.
Video matrix refers to and m roads vision signal is exported the electricity to the monitoring device of n roads by way of array switches
Sub-device, the generally input of matrix is m more than output>n.
There is the physical connection of direct video input interface and video output interface between two video matrixs 201, lead to
Crossing the physical connection vision signal can be delivered to another video matrix 201, the physical connection from a video matrix 201
(physical link) is referred to as video trunk 204.According to the direction of transfer of vision signal, 204 points of video trunk be incoming trunk and
Output main line, the two concepts have relativity, for same video trunk 204, due to being connected to two video matrixs
201, if incoming trunk for one of video matrix 201, be exactly for another video matrix 201 then
Output main line, conversely, as the same.For video matrix 201, it is possible to connect incoming trunk, it is also possible to which connection output is dry
Line.
Video matrix cascade is the deployment architecture physically of multiple video matrixs 201, and general video matrix cascade is at least
Two video matrixs 201, Fig. 2 are needed to be illustrated by taking two video matrix cascades as an example, first video matrix is (left in Fig. 2
The video matrix 201 of side) output interface by video trunk 204 be connected to second video matrix (in Fig. 2 right side video
Matrix 201) input interface on, such first video matrix and second video matrix are the level for foring video matrix
Connection.Illustrated by two connections of video trunks 204 between two video matrixs 201 in Fig. 2, the number of video trunk 204
Amount is more, and the vision signal for being capable of simultaneous transmission is also more.Additionally, the relation mutually between the video matrix 201 of cascade is
Equality, i.e., first video matrix and second video matrix can also transpositions.
It should be noted that transmission of video has two ways, a kind of mode is circuit switching, using the side of circuit switching
Formula, every video trunk can only transmission of one line vision signal；Another way is packet switch, and the mode of packet switch is based on IP
Network transmission vision signal, and every time can be with transmitting multi-path video signal.The embodiment of the present invention is preferably using circuit switching
Mode transmission video signal, unless otherwise indicated in the embodiment of the present invention in the way of circuit switching as a example by illustrate.
In the specific implementation, in above-mentioned video trunk management method provided in an embodiment of the present invention, one can every time be received
The playing request of individual user, it is also possible to while receiving the playing request of multiple users.In above-mentioned steps S101, according to active user
Playing request, it may be determined that the playing request corresponding control point position monitoring device and targeted surveillance equipment, according to control point
Position monitoring device and targeted surveillance equipment, in conjunction with the concrete structure of video monitoring system, can find playing request correspondence
Control point position monitoring device to targeted surveillance equipment all cascade pathways.
Specifically, above-mentioned control point position monitoring device is preferably camera, and above-mentioned supervision equipment is generally monitor.In reality
When border is applied, the significance level of each control point position monitoring device is different, for example, being arranged on the camera information amount of gate position
Can be contained much information than being arranged on the camera in corner, it is possible to according to information content number determine control point digital video weight
Spend, it is of course also possible to determine each video surveillance point digital video importance degree according to other judge index, simply illustrate herein
Illustrating, not limiting how to determine control point digital video importance degree.
In above-mentioned steps S103, if the cascade pathway for meeting control point digital video importance degree condition exists a plurality of, select
The cascade pathway of video trunk optimal quality is selected, if the cascade pathway for meeting control point position importance degree condition is one, directly
Select the cascade pathway.In the specific implementation, the quality of cascade pathway can in the following ways be determined：
Video trunk is divided into multiple grades by the quality according to video trunk, for example, according to quality by video trunk
Be divided into it is excellent, good, in, differ from four grades, specifically, can be determined by video trunk use time or degree of aging video do
The quality of line；
Assign a numerical value to each grade, video trunk quality is better, and numerical value is higher, such as it is excellent, good, in, difference can be with
The numeral such as 4,3,2,1 is corresponded to respectively；
For every cascade pathway, the mass average value of all video trunks for constituting the cascade pathway is calculated, this is put down
Average as the cascade pathway mass figures, such as certain cascade pathway is made up of three video trunks, and this three videos are done
The quality of line is respectively excellent, excellent, good, and video trunk mass figures are respectively 4,4,3, then the mass figures of the cascade pathway are (4
+ 4+3)/3=3.67, the mass figures of all cascade pathways can be obtained according to similar step.
Further, in above-mentioned video trunk management method provided in an embodiment of the present invention, control point digital video is being judged
Before importance degree condition, the cascade pathway of free time can also be first judged whether, i.e. above-mentioned steps S102 can include (figure
Not shown in)：
In all cascade pathways that S1021, judgement are determined, if there is the cascade pathway of free time；
If S1022, in the absence of idle cascade pathway, in judging all cascade pathways determined, if exist full
The cascade pathway of sufficient control point digital video importance degree condition.
Specifically, in above-mentioned video trunk management method provided in an embodiment of the present invention, can also include：
If S1023, the cascade pathway in the presence of the free time, in idle cascade pathway, video trunk optimal quality is selected
Cascade pathway as the corresponding cascade pathway of active user.
Before control point digital video importance degree condition is judged, the cascade pathway of free time is first judged whether, if in the presence of
Idle cascade pathway, it is preferential using idle cascade pathway, then without judging control point digital video importance degree condition again；If no
In the presence of idle cascade pathway, then further determine whether there is the cascade pathway for meeting control point digital video importance degree condition.
Specifically, in above-mentioned steps S1021, the method for judging whether the cascade pathway of free time is：Judge the cascade
Whether all video trunks in path are idle, if all video trunks in the cascade pathway are idle, the cascade pathway
It is idle.Judging whether certain video trunk is idle at least includes following two situations：If situation one, certain video trunk do not have
Any vision signal is not transmitted by any CU, the i.e. video trunk, then the video trunk is idle；If situation two,
The video of the vision signal that the video trunk is being transmitted control point position monitoring device corresponding with the playing request of active user
Signal is same vision signal all the way, then the video trunk is also calculated the free time, and such situation is called " multiplexing of video trunk ", by being
The multiplexing of video trunk, can make full use of video trunk, improve the utilization rate of video trunk.
Further, in above-mentioned video trunk management method provided in an embodiment of the present invention, except judging video point position
Whether the free time is outer with cascade pathway is judged for video importance degree condition, can also determine whether there is the cascade for meeting priority conditions
Path, including following two modes：
Mode one：
Above-mentioned steps S1022, can include：
If in the absence of idle cascade pathway, in judging all cascade pathways determined, if there is satisfaction preferential
The cascade pathway of level condition；Priority conditions are that occupancy constitutes the excellent of the corresponding user of all video trunks of the cascade pathway
First level is below the priority of active user；
If in the absence of the cascade pathway for meeting priority conditions, in judging all cascade pathways determined, if deposit
Meeting the cascade pathway of control point digital video importance degree condition.
In the case of in the absence of idle cascade pathway, can first judge whether to meet the cascade of priority conditions
Path, in the case of in the absence of the cascade pathway for meeting priority conditions, then judges whether to meet control point digital video
The cascade pathway of importance degree condition.The process of priority conditions is judged by increased, is increased and is found the cascade for meeting condition
The probability of path.
Specifically, can also include：
If in the presence of the cascade pathway for meeting priority conditions, in the cascade pathway for meeting priority conditions, selection is regarded
The cascade pathway of frequency main line optimal quality is used as the corresponding cascade pathway of active user.
Mode two：
If in the absence of the cascade pathway for meeting control point digital video importance degree condition, judging all grades of UNICOMs for determining
Lu Zhong, if there is the cascade pathway for meeting priority conditions；Priority conditions are to take composition all of the cascade pathway to regard
The priority of the corresponding user of frequency main line is below the priority of active user；
If in the presence of the cascade pathway for meeting priority conditions, in the cascade pathway for meeting priority conditions, selection is regarded
The cascade pathway of frequency main line optimal quality is used as the corresponding cascade pathway of active user.
Mode two is similar with mode one, also increases the process for judging priority conditions, different from mode one, judges
Priority conditions are performed in the case where control point digital video importance degree condition is unsatisfactory for, i.e. mode two and mode one is held
Row order is different.In practical application, it is to distribute a User Priority using all users of the video monitoring system to need,
The priority represents the priority that user uses video trunk, in addition it is also necessary to distribute a monitoring to each control point position monitoring device
Point digital video importance degree numerical value, also needs to be that every video trunk distributes a video trunk mass figures in addition.
In the specific implementation, if in all cascade pathways determined, both without idle cascade pathway, also do not had
Meet the cascade pathway of control point digital video importance degree condition, also do not meet the cascade pathway of priority conditions, then can be again
Increase other Rule of judgment to go to select cascade pathway, it is also possible to refuse the playing request of active user, it is for instance possible to use friendly
Good mode points out user " without available cascade pathway, it is impossible to play the video of your request ".
Below in conjunction with Fig. 3 and Fig. 4, step is performed to above-mentioned the specific of video trunk management method provided in an embodiment of the present invention
Suddenly it is described in detail：
Reference picture 3, above-mentioned video trunk management method provided in an embodiment of the present invention, can perform according to following steps：
Step S201：According to the playing request of active user, it is determined that needing the control point position monitoring device played to target
All cascade pathways of supervision equipment；
Step S202：In all cascade pathways that judgement is determined, if there is the cascade pathway of free time；If so, then holding
Row step S205；If it is not, then performing step S203；
Step S203：In all cascade pathways that judgement is determined, if there is the cascade pathway for meeting priority conditions；
If so, then performing step S205；If it is not, then performing step S204；
Step S204：In all cascade pathways that judgement is determined, if exist and meet control point digital video importance degree bar
The cascade pathway of part；If so, then performing step S205；If it is not, then performing step S206；
Step S205：The cascade pathway of video trunk optimal quality is selected as the corresponding cascade pathway of active user；
Step S206：Refuse the playing request of user.
In the specific implementation, above-mentioned steps S203 and step S204 can also transposition, as shown in figure 4, step S203
The degree of concern of control point position significance level and priority can be determined according to user with the order of step S204, for example, with
Control point position significance level is more valued at family, then before step S204 being placed on into step S203.
Further, after the corresponding cascade pathway of active user is determined, the video that control constitutes the cascade pathway is done
Video matrix equipment associated by line is switched to video on the corresponding video trunk of its equipment, while the composition cascade pathway
Occupant's information updating of video trunk be the information of active user, the video information of video trunk transmission is updated to current use
The video information of the control point position monitoring device that family request is played.So far, you can complete the video letter that active user's request is played
The transmission ceased in targeted surveillance equipment shows, realizes and distribute application management to matrix networked system video trunk.
In actual applications, in above-mentioned video trunk management method provided in an embodiment of the present invention, above-mentioned steps S101 can
With including (not shown)：
S1011, the video trunk connected graph for building video monitoring system；
S1012, the playing request according to video trunk connected graph and active user, determine the corresponding monitoring of playing request
All cascade pathways of the point position monitoring device to targeted surveillance equipment.
By building the video trunk connected graph of monitoring system, subsequently the video can be utilized according to the playing request of user
Main line connected graph, quickly and accurately finds the corresponding all cascade pathways of playing request of the user.
Specifically, the video trunk connected graph of above-mentioned video monitoring system can build in such a way, reference picture 5,
Including：
S301, to video monitoring system in each control point position monitoring device, each video matrix input port and output end
Mouth, and each supervision equipment is numbered according to preset order；
S302, establishment two-dimensional array；The line number and columns of the two-dimensional array are control point position monitoring device, video matrix
Input port and output port, and monitoring device number summation；
S303, in two-dimensional array, the company of each control point position monitoring device and each video matrix input port is marked respectively
The connected relation of clearance system, each video matrix input port and output port, and each video matrix output port sets with monitoring
Standby connected relation, obtains the video trunk connected graph of video monitoring system.
In above-mentioned steps S301, can be to control point position monitoring device, the video matrix input in video monitoring system
Mouth and output port, and supervision equipment number consecutively since 0, maximum numbering is max, wherein, the order of numbering is default
Sequentially, depending on can be according to actual conditions, the order numbered be defined herein；
In above-mentioned steps S302, the line number and columns of the two-dimensional array are max, and the two-dimensional array can use N [max]
[max] is represented；
In above-mentioned steps S303, the specific method for obtaining video trunk connected graph is：
Each control point position monitoring device is with the labeling method of the connected relation of each video matrix input port：In video square
In battle array networked system, if there is video trunk between control point position monitoring device and video matrix input port, if monitoring
The numbering of point position monitoring device is x, and the numbering of the video matrix input port is y, then in the two-dimensional array, element N [x]
The value of [y] is labeled as 1, represents the control point position monitoring device that numbering is x and the video matrix input port that numbering is y in the presence of regarding
Frequency connected relation, vision signal can be transmitted to video matrix input port y by control point position monitoring device x；
Each video matrix input port is with the labeling method of the connected relation of output port：In video matrix networked system
In, if video matrix input port and video matrix output port belong to input port in a video matrix equipment and
Output port, or video matrix input port belongs to the input port on a video trunk with video matrix output port
And output port, if the numbering of the video matrix input port is m, the numbering of the video matrix output port is n, then at this
In two-dimensional array, the value of element N [m] [n] is 1, represents the video matrix input port that numbering is m with the video square that numbering is n
There is video connected relation in battle array output port, vision signal can be transmitted to video matrix by video matrix input port m and exported
Port n；
Each video matrix output port is with the labeling method of the connected relation of supervision equipment：In video matrix networked system
In, if there is video trunk between video matrix output port and supervision equipment, if the volume of the video matrix output port
Number it is p, the numbering of the supervision equipment is q, then in the two-dimensional array, the value of element N [p] [q] is 1, represents that numbering is regarding for p
There is video connected relation in frequency matrix output port, vision signal can be exported by video matrix with the supervision equipment that numbering is q
Port p is transmitted to supervision equipment q.
After the completion of all elements in the two-dimensional array are marked according to above-mentioned steps, that is, obtain the video monitoring system
Video trunk connected graph.
The video trunk UNICOM figure for obtaining according to the method described above, it is determined that each control point position monitoring device and each video matrix
The connected relation of the connected relation of input port, each video matrix input port and output port, and the output of each video matrix
Port and the connected relation of supervision equipment, such that it is able to the corresponding control point position monitoring device of playing request and mesh according to user
Mark supervision equipment, obtains the corresponding all cascade pathways of the playing request.Above-mentioned steps S301 to S303 is implementation of the present invention
The preferred embodiment that example is provided, in the specific implementation, it would however also be possible to employ other modes determine control point position monitoring device and mesh
Mark the link relation of supervision equipment.
Below by way of example, the detailed process to above-mentioned structure video trunk connected graph is described in detail：
By taking the video matrix networked system shown in Fig. 2 as an example, first respectively to system in each control point position monitoring device
202nd, video matrix 201 and supervision equipment 203 are numbered, as shown in fig. 6, the monitoring that will be connected with first video matrix
Device numbering is 1-4, and the monitoring device numbering being connected with second video matrix is 5 and 6, is connected with first video matrix
The numbering of supervision equipment 203 is 7 and 8, and first video matrix numbering is 9, and second video matrix numbering is 10, is regarded with second
The numbering of supervision equipment 203 of frequency matrix connection is 11-14；
According to the structure of the video matrix networked system shown in Fig. 6, transmission of video direction is expressed as shown in Figure 7 have
Xiang Tu, in figure, the numbering of circle expression monitoring device, the numbering of triangular representation video matrix, square expression supervision equipment
Numbering, according to the direction of arrow in figure, it can be clearly seen that there is connected relation between which equipment, such that it is able to easily look for
Go out cascade pathway, for example, monitoring device 1 is to the cascade pathway of supervision equipment 12：Monitoring device 1-video matrix, 9-video
10-supervision equipment of matrix 12, in order to more quickly and accurately find the cascade pathway between monitoring device and supervision equipment, also
Directed walk in Fig. 7 can be represented with two-dimensional matrix, as shown in table 1：
The corresponding two-dimensional matrixs of the Fig. 7 of table 1
In two-dimensional matrix in table 1, horizontal, longitudinal direction numeral numbering is the numbering of each equipment in Fig. 7, coordinate in table 1
Value (0 or 1) on point whether there is path between representing two equipment, and 1 represents there is path, and 0 represents do not exist path.Such as
The value of coordinate points (9,2) is 1, that is, represent that above-mentioned monitoring device 2 has the path for flowing to video matrix 9；The value of coordinate points (9,5)
It is 0, represents that above-mentioned monitoring device 5 does not exist the path for flowing to video matrix 9.
Analyze by way of example, the video trunk composition in video matrix networked system is a digraph, can be passed through
The related algorithm of figure, calculates the whole directed walks between any two equipment in figure.In video matrix networked system, this
Bar directed walk is exactly control point digital video to display in supervision equipment, by the video square being uniformly controlled on switching whole piece path
Battle array, it is possible to realize that the transmission of video of any control point position monitoring device shows to any supervision equipment.Such as by figure
Shortest path first, it is possible to calculate monitoring device 1 to the video transmission path of supervision equipment 13：(1)->(9)->(10)->
(13), can just realize that monitoring sets to corresponding video trunk by controlling matrix 9 and the Switch Video signal of video matrix 10
Standby 1 display in supervision equipment 13.
By the analysis to video matrix networked system, the mathematical modulo of the video trunk connected graph of video matrix networked system
Type, is described as follows：
Set expression by control point position monitoring device is { C1, C2..., Cx, the set of video matrix video input port
It is expressed as { I1, I2..., Im, the set expression of video matrix video-out port is { O1, O2..., On, the collection of supervision equipment
Conjunction is expressed as { M1, M2..., My, it is all the two-dimensional matrix N of x+m+n+y to build a ranks size, as shown in table 2：
The Mathematical Modeling of the video trunk connected graph of the video matrix networked system of table 2
nijIt is the i rows in two-dimensional matrix, the element of j row, element n in two-dimensional matrixijValue for monitoring device, video square
Video connected relation between the two in the input port and output port and supervision equipment device of battle array, such as nijWhen=1, represent
Above-mentioned have a connected relation between the two, vision signal by number be i equipment flow direction numbering be j equipment, nijWhen=0, table
Show above-mentioned between the two in the absence of video connected relation, vision signal can not flow to the equipment that numbering is j by the equipment of numbering i.
Based on same inventive concept, a kind of video trunk management dress of video monitoring system is the embodiment of the invention provides
Put, because the principle of the video trunk managing device solve problem is similar to above-mentioned video trunk management method, therefore the video
The implementation of Trunk pipeline device may refer to the implementation of above-mentioned video trunk management method, repeats part and repeats no more.
As shown in figure 8, a kind of video trunk managing device of video monitoring system provided in an embodiment of the present invention, including：
Cascade pathway determining module 401, for the playing request according to active user, determines the corresponding monitoring of playing request
All cascade pathways of the point position monitoring device to targeted surveillance equipment；Cascade pathway is that the video of control point position monitoring device is believed
Number transmitted by video matrix and video trunk to the directed walk of targeted surveillance equipment；
First judge module 402, for judging all cascade pathways for determining in, if exist and meet control point position and regard
The cascade pathway of frequency importance degree condition；Control point digital video importance degree condition is all video trunks for constituting the cascade pathway
The control point digital video importance degree of current transmission is below the control point digital video importance degree that active user's request is played；
First determining module 403, if in the presence of meeting the cascade pathway of control point digital video importance degree condition
In, the cascade pathway of video trunk optimal quality is selected as the corresponding cascade pathway of active user.
Specifically, in the video trunk managing device of above-mentioned video monitoring system provided in an embodiment of the present invention, first sentences
Disconnected module 402, is used for：
In all cascade pathways that judgement is determined, if there is the cascade pathway of free time；
If in the absence of idle cascade pathway, in judging all cascade pathways determined, if there is satisfaction monitoring
The cascade pathway of point digital video importance degree condition.
Further, in the video trunk managing device of above-mentioned video monitoring system provided in an embodiment of the present invention, also wrap
Include：
Second determining module, if in the presence of idle cascade pathway, in idle cascade pathway, selection video is done
The optimal cascade pathway of line mass is used as the corresponding cascade pathway of active user.
More specifically, in the video trunk managing device of above-mentioned video monitoring system provided in an embodiment of the present invention, first
Judge module 402, specifically for：
If in the absence of idle cascade pathway, in judging all cascade pathways determined, if there is satisfaction preferential
The cascade pathway of level condition；Priority conditions are that occupancy constitutes the excellent of the corresponding user of all video trunks of the cascade pathway
First level is below the priority of active user；
If in the absence of the cascade pathway for meeting priority conditions, in judging all cascade pathways determined, if deposit
Meeting the cascade pathway of control point digital video importance degree condition.
In the specific implementation, in the video trunk managing device of above-mentioned video monitoring system provided in an embodiment of the present invention,
Also include：
3rd determining module, if in the presence of the cascade pathway for meeting priority conditions, meeting priority conditions
In cascade pathway, the cascade pathway of video trunk optimal quality is selected as the corresponding cascade pathway of active user.
Further, in the video trunk managing device of above-mentioned video monitoring system provided in an embodiment of the present invention, also wrap
Include：
3rd judge module, if in the absence of the cascade pathway for meeting control point digital video importance degree condition, judging
In all cascade pathways determined, if there is the cascade pathway for meeting priority conditions；Priority conditions are to take composition
The priority of the corresponding user of all video trunks of the cascade pathway is below the priority of active user；
4th determining module, if in the presence of the cascade pathway for meeting priority conditions, meeting priority conditions
In cascade pathway, the cascade pathway of video trunk optimal quality is selected as the corresponding cascade pathway of active user.
Further, in the video trunk managing device of above-mentioned video monitoring system provided in an embodiment of the present invention, really
Cover half block, including：
Connected graph builds module, the video trunk connected graph for building video monitoring system；
Cascade pathway determination sub-module, for the playing request according to video trunk connected graph and active user, it is determined that
All cascade pathways of the corresponding control point position monitoring device of playing request to targeted surveillance equipment.
In practical application, in the video trunk managing device of above-mentioned video monitoring system provided in an embodiment of the present invention, even
Logical figure builds module, including：
Numbered cell, for each control point position monitoring device, each video matrix input port in video monitoring system
And output port, and each supervision equipment is numbered according to preset order；
Array creating unit, for creating two-dimensional array；The line number and columns of two-dimensional array be control point position monitoring device,
The input port and output port of video matrix, and monitoring device number summation；
Connected relation determining unit, in two-dimensional array, marking each control point position monitoring device and each video respectively
The connected relation of the connected relation of Input matrix port, each video matrix input port and output port, and each video matrix
Output port and the connected relation of supervision equipment, obtain the video trunk connected graph of video monitoring system.
Video trunk management method provided in an embodiment of the present invention and device, using control point digital video importance degree condition,
The technology essential factors such as priority conditions video trunk quality, make video trunk manage more rationally, and targeted surveillance device plays
Video image effect is more preferable.
Obviously, those skilled in the art can carry out various changes and modification without deviating from essence of the invention to the present invention
God and scope.So, if these modifications of the invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising these changes and modification.
Claims (16)
1. the video trunk management method of a kind of video monitoring system, it is characterised in that including：
According to the playing request of active user, determine that the corresponding control point position monitoring device of the playing request sets to targeted surveillance
Standby all cascade pathways；The cascade pathway is that the vision signal of control point position monitoring device passes through video matrix and video
Primary transmission to targeted surveillance equipment directed walk；
In all cascade pathways that judgement is determined, if there is the cascade pathway for meeting control point digital video importance degree condition；
The control point digital video importance degree condition is that the control point position of all video trunk current transmissions for constituting the cascade pathway regards
Frequency importance degree is below the control point digital video importance degree that active user's request is played；
If in the presence of, in the cascade pathway for meeting control point digital video importance degree condition, selection video trunk optimal quality
Cascade pathway is used as the corresponding cascade pathway of active user.
2. the method for claim 1, it is characterised in that in all cascade pathways that the judgement is determined, if deposit
Meeting the cascade pathway of control point digital video importance degree condition, including：
In all cascade pathways that judgement is determined, if there is the cascade pathway of free time；
If in the absence of idle cascade pathway, in judging all cascade pathways determined, if exist and meet control point position
The cascade pathway of video importance degree condition.
3. method as claimed in claim 2, it is characterised in that also include：
If in the presence of idle cascade pathway, in idle cascade pathway, selecting the cascade pathway of video trunk optimal quality
As the corresponding cascade pathway of active user.
4. method as claimed in claim 2, it is characterised in that if described in the absence of idle cascade pathway, judge to determine
In all cascade pathways for going out, if there is the cascade pathway for meeting control point digital video importance degree condition, including：
If in the absence of idle cascade pathway, in judging all cascade pathways determined, if exist and meet priority bar
The cascade pathway of part；The priority conditions are that occupancy constitutes the excellent of the corresponding user of all video trunks of the cascade pathway
First level is below the priority of active user；
If in the absence of the cascade pathway for meeting priority conditions, in judging all cascade pathways determined, if exist full
The cascade pathway of sufficient control point digital video importance degree condition.
5. method as claimed in claim 4, it is characterised in that also include：
If in the presence of the cascade pathway for meeting priority conditions, in the cascade pathway for meeting priority conditions, selection video is done
The optimal cascade pathway of line mass is used as the corresponding cascade pathway of active user.
6. method as claimed in claim 2, it is characterised in that also include：
If in the absence of the cascade pathway for meeting control point digital video importance degree condition, judging all cascade pathways determined
In, if there is the cascade pathway for meeting priority conditions；The priority conditions are to take to constitute all of the cascade pathway
The priority of the corresponding user of video trunk is below the priority of active user；
If in the presence of the cascade pathway for meeting priority conditions, in the cascade pathway for meeting priority conditions, selection video is done
The optimal cascade pathway of line mass is used as the corresponding cascade pathway of active user.
7. the method as described in claim any one of 1-6, it is characterised in that the playing request according to active user, really
Determine the corresponding control point position monitoring device of the playing request to all cascade pathways of targeted surveillance equipment, including：
Build the video trunk connected graph of the video monitoring system；
According to the video trunk connected graph and the playing request of active user, the corresponding control point of the playing request is determined
All cascade pathways of the position monitoring device to targeted surveillance equipment.
8. method as claimed in claim 7, it is characterised in that the video trunk connected graph of the video monitoring system is by following
Mode builds：
Each control point position monitoring device, each video matrix input port and output port in the video monitoring system, with
And each supervision equipment is numbered according to preset order；
Create two-dimensional array；The line number and columns of the two-dimensional array are control point position monitoring device, the input of video matrix
Mouthful and output port, and monitoring device number summation；
In the two-dimensional array, each control point position monitoring device is marked to be closed with the connection of each video matrix input port respectively
The connected relation of system, each video matrix input port and output port, and each video matrix output port and supervision equipment
Connected relation, obtains the video trunk connected graph of the video monitoring system.
9. the video trunk managing device of a kind of video monitoring system, it is characterised in that including：
Cascade pathway determining module, for the playing request according to active user, determines the corresponding control point of the playing request
All cascade pathways of the position monitoring device to targeted surveillance equipment；The cascade pathway is, the video of control point position monitoring device
Signal is transmitted to the directed walk of targeted surveillance equipment by video matrix and video trunk；
First judge module, for judging all cascade pathways for determining in, if having that to meet control point digital video important
The cascade pathway of degree condition；The control point digital video importance degree condition is that all video trunks for constituting the cascade pathway are worked as
The control point digital video importance degree of preceding transmission is below the control point digital video importance degree that active user's request is played；
First determining module, if in the presence of in the cascade pathway for meeting control point digital video importance degree condition, selection is regarded
The cascade pathway of frequency main line optimal quality is used as the corresponding cascade pathway of active user.
10. device as claimed in claim 9, it is characterised in that the first judge module, is used for：
In all cascade pathways that judgement is determined, if there is the cascade pathway of free time；
If in the absence of idle cascade pathway, in judging all cascade pathways determined, if exist and meet control point position
The cascade pathway of video importance degree condition.
11. devices as claimed in claim 10, it is characterised in that also include：
Second determining module, if in the presence of idle cascade pathway, in idle cascade pathway, selecting video trunk matter
The optimal cascade pathway of amount is used as the corresponding cascade pathway of active user.
12. devices as claimed in claim 10, it is characterised in that first judge module, specifically for：
If in the absence of idle cascade pathway, in judging all cascade pathways determined, if exist and meet priority bar
The cascade pathway of part；The priority conditions are that occupancy constitutes the excellent of the corresponding user of all video trunks of the cascade pathway
First level is below the priority of active user；
If in the absence of the cascade pathway for meeting priority conditions, in judging all cascade pathways determined, if exist full
The cascade pathway of sufficient control point digital video importance degree condition.
13. devices as claimed in claim 12, it is characterised in that also include：
3rd determining module, if in the presence of the cascade pathway for meeting priority conditions, meeting the cascade of priority conditions
In path, the cascade pathway of video trunk optimal quality is selected as the corresponding cascade pathway of active user.
14. devices as claimed in claim 10, it is characterised in that also include：
3rd judge module, if in the absence of the cascade pathway for meeting control point digital video importance degree condition, judging to determine
In all cascade pathways for going out, if there is the cascade pathway for meeting priority conditions；The priority conditions are to take composition
The priority of the corresponding user of all video trunks of the cascade pathway is below the priority of active user；
4th determining module, if in the presence of the cascade pathway for meeting priority conditions, meeting the cascade of priority conditions
In path, the cascade pathway of video trunk optimal quality is selected as the corresponding cascade pathway of active user.
15. device as described in claim any one of 9-14, it is characterised in that the determining module, including：
Connected graph builds module, the video trunk connected graph for building the video monitoring system；
Cascade pathway determination sub-module, for the playing request according to the video trunk connected graph and active user, it is determined that
All cascade pathways of the corresponding control point position monitoring device of the playing request to targeted surveillance equipment.
16. devices as claimed in claim 15, it is characterised in that the connected graph builds module, including：
Numbered cell, for each control point position monitoring device, each video matrix input port in the video monitoring system
And output port, and each supervision equipment is numbered according to preset order；
Array creating unit, for creating two-dimensional array；The line number and columns of the two-dimensional array be control point position monitoring device,
The input port and output port of video matrix, and monitoring device number summation；
Connected relation determining unit, in the two-dimensional array, marking each control point position monitoring device and each video respectively
The connected relation of the connected relation of Input matrix port, each video matrix input port and output port, and each video matrix
Output port and the connected relation of supervision equipment, obtain the video trunk connected graph of the video monitoring system.
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