CN110866041B - Query method and device for monitoring camera of visual network - Google Patents
Query method and device for monitoring camera of visual network Download PDFInfo
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- CN110866041B CN110866041B CN201910945584.2A CN201910945584A CN110866041B CN 110866041 B CN110866041 B CN 110866041B CN 201910945584 A CN201910945584 A CN 201910945584A CN 110866041 B CN110866041 B CN 110866041B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/245—Query processing
- G06F16/2458—Special types of queries, e.g. statistical queries, fuzzy queries or distributed queries
- G06F16/2468—Fuzzy queries
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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
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The embodiment of the invention provides a query method and a query device for a monitoring camera of a video network. In the application, when the first original codes of the target monitoring cameras belonging to the target organization are required to be queried, the first reconstruction codes of the target organization can be queried in the reconstruction codes of a plurality of organizations according to the second original codes of the target organization, and then the second reconstruction codes beginning with the first reconstruction codes are queried in the reconstruction codes of a plurality of monitoring cameras. Therefore, compared with the prior art that the process of querying a plurality of times is required to be executed in the original codes of a plurality of monitoring cameras, in the application, the process of querying in the reconstruction codes of a plurality of monitoring cameras is required to be performed only once, wherein the number of the original codes of the plurality of monitoring cameras is the same as the number of the reconstruction codes of the plurality of monitoring cameras.
Description
Technical Field
The invention relates to the technical field of data processing, in particular to a query method and device of a video networking monitoring camera.
Background
In order to provide safety prevention and guarantee for the work and life of people in the modern society, a monitoring camera is often arranged at an important position, and a monitoring video stream at the important position is recorded through the monitoring camera.
Then, the staff can use the computer to check the monitoring video stream recorded by the monitoring camera, and check whether suspicious staff exists in the monitoring video stream.
For convenience of management of the monitoring cameras, a plurality of layers of organization structures such as province-city-district/county-country-street-community and the like may be provided in advance, each of the cameras belonging to one province, one thing, one district/county, one country, one street and one community.
Each organization has a respective code, wherein, when the code is set for the monitoring camera, the code of the monitoring camera comprises at least two parts, one part is used for indicating the organization code of the organization affiliated to the monitoring camera, and the other part is used for indicating the unique identification of the camera and is used for preventing repetition.
In this way, when the monitoring cameras belonging to a certain organization are queried later, the codes of the monitoring cameras comprising the codes of the organization can be searched in the codes of a plurality of monitoring cameras.
However, in a large number of cameras, there are many different third party units of cameras, and organizations are uniquely determined, but when codes set by different third party units on the same organization are often different, and for any organization, there are often several third party units, then there are several codes of the organization. The same is true for each of the other organizations.
In this way, when the monitoring cameras belonging to a certain organization are queried, in order to avoid omission, the codes of the third party units on the organization need to be determined for any third party unit, and then the codes of the monitoring cameras comprising the codes of the third party units on the organization can be searched in the codes of a plurality of monitoring cameras. The above operations are also performed for any one third party unit.
That is, several third party units need to perform several searching operations on codes of the organization, so that searching needs to take a long time, has low searching efficiency, and wastes more system resources.
Disclosure of Invention
In order to solve the problems, the embodiment of the invention discloses a query method and a query device for a monitoring camera of the internet of vision.
In a first aspect, an embodiment of the present invention shows a query method for a monitoring camera of an internet of view, where the method includes:
when a first original code of a target monitoring camera belonging to a target organization is required to be inquired, acquiring a second original code of the target organization;
acquiring a first reconstruction code of the target tissue mechanism according to the second original code; wherein, the reconstruction codes of each organization mechanism are unique and different;
searching a second reconstruction code beginning with the first reconstruction code in the reconstruction codes of a plurality of monitoring cameras based on a left matching principle of fuzzy matching; the reconstruction code of the monitoring camera is generated at least based on the reconstruction code of the organization mechanism;
and acquiring a first original code of the target monitoring camera according to the second reconstruction code.
In an alternative implementation, the method further includes:
for each organization, determining whether the organization has a superordinate organization;
if the organization does not have a superior organization, acquiring an original code of the organization, randomly generating a code, forming a corresponding table entry by the acquired original code of the organization and the randomly generated code, and storing the corresponding table entry in a first corresponding relation between the original code of the organization and a reconstruction code of the organization;
If the organization mechanism has a superior organization mechanism, acquiring an original code of the organization mechanism, acquiring a mechanism code of the superior organization mechanism, randomly generating a code, and combining the mechanism code of the superior organization mechanism and the randomly generated code into a reconstruction code of the organization mechanism; and forming a corresponding table item by the obtained original codes of the organization mechanism and the obtained reconstructed codes of the organization mechanism by combination, and storing the corresponding table item in the first corresponding relation.
In an alternative implementation, the obtaining the first reconstruction code of the target organization according to the second original code includes:
and searching a reconstruction code corresponding to the second original code in the first corresponding relation, and taking the reconstruction code as the first reconstruction code.
In an alternative implementation, the method further includes:
for each monitoring camera, acquiring an original code of the camera;
obtaining a reconstruction code of an organization affiliated to the camera;
generating a reconstruction code of the camera at least according to the reconstruction code of the organization affiliated by the camera;
and forming a corresponding table item by the reconstruction code of the camera and the original code of the camera, and storing the corresponding table item in a second corresponding relation between the reconstruction code of the camera and the original code of the camera.
In an optional implementation manner, the obtaining the first original code of the target surveillance camera according to the second reconstruction code includes:
and searching an original code corresponding to the second reconstruction code in the second corresponding relation, and taking the original code as the first original code.
In a second aspect, an embodiment of the present invention shows a query device for an internet-of-view monitoring camera, where the device includes:
the first acquisition module is used for acquiring a second original code of the target organization mechanism when the first original code of the target monitoring camera belonging to the target organization mechanism needs to be inquired;
the second acquisition module is used for acquiring a first reconstruction code of the target organization mechanism according to the second original code; wherein, the reconstruction codes of each organization mechanism are unique and different;
the searching module is used for searching a second reconstruction code beginning with the first reconstruction code in the reconstruction codes of the plurality of monitoring cameras based on a left matching principle of fuzzy matching; the reconstruction code of the monitoring camera is generated at least based on the reconstruction code of the organization mechanism;
and the third acquisition module is used for acquiring the first original code of the target monitoring camera according to the second reconstruction code.
For each monitoring camera, the second acquisition module further includes:
a determining unit configured to determine, for each organization, whether the organization has a superordinate organization;
the first storage unit is used for acquiring the original code of the organization mechanism, randomly generating a code if the organization mechanism does not exist in the upper-level organization mechanism, forming a corresponding table entry by the acquired original code of the organization mechanism and the randomly generated code, and storing the corresponding table entry in a first corresponding relation between the original code of the organization mechanism and the reconstructed code of the organization mechanism;
the second storage unit is used for acquiring the original code of the organization mechanism, acquiring the mechanism code of the upper organization mechanism, randomly generating a code, and combining the mechanism code of the upper organization mechanism and the randomly generated code into a reconstruction code of the organization mechanism if the organization mechanism exists in the upper organization mechanism; and forming a corresponding table item by the obtained original codes of the organization mechanism and the obtained reconstructed codes of the organization mechanism by combination, and storing the corresponding table item in the first corresponding relation.
For each monitoring camera, the second acquisition module includes:
And the first searching unit is used for searching the reconstruction code corresponding to the second original code in the first corresponding relation and taking the reconstruction code as the first reconstruction code.
For each monitoring camera, the third acquisition module further includes:
the first acquisition unit is used for acquiring the original codes of the cameras for each monitoring camera;
the second acquisition unit is used for acquiring the reconstruction codes of the organization mechanism to which the camera belongs;
the generating unit is used for generating the reconstruction code of the camera at least according to the reconstruction code of the organization mechanism to which the camera belongs;
and the storage unit is used for forming a corresponding table item by the reconstruction code of the camera and the original code of the camera, and storing the corresponding table item in a second corresponding relation between the reconstruction code of the camera and the original code of the camera.
For each monitoring camera, the third acquisition module includes:
and the second searching module is used for searching the original code corresponding to the second reconstruction code in the second corresponding relation and taking the original code as the first original code.
In a third aspect, an embodiment of the present invention shows an electronic device, where the electronic device includes a memory, a processor, and a computer program stored on the memory and executable on the processor, and when the processor executes the computer program, the method for querying the internet-of-view monitoring camera according to the first aspect is implemented.
In a fourth aspect, an embodiment of the present invention shows a computer readable storage medium, on which a computer program is stored, the computer program causing a processor to execute the query method of the internet of view monitoring camera according to the first aspect.
The embodiment of the invention has the following advantages:
in the application, when the first original codes of the target monitoring cameras belonging to the target organization are required to be queried, the first reconstruction codes of the target organization can be queried in the reconstruction codes of a plurality of organizations according to the second original codes of the target organization, and then the second reconstruction codes beginning with the first reconstruction codes are queried in the reconstruction codes of a plurality of monitoring cameras.
In the two inquiry processes, one inquiry process is to inquire in the reconstruction codes of a plurality of organization units, and the other inquiry process is to inquire in the reconstruction codes of a plurality of monitoring cameras, the number of the organization units is limited, and therefore, the number of the reconstruction codes of the organization units is limited, however, the number of the monitoring cameras is very large, and therefore, the number of the reconstruction codes of the monitoring cameras is very large, and in general, the number of the reconstruction codes of the monitoring cameras is far larger than the number of the reconstruction codes of the organization units, namely, the number of the reconstruction codes of the organization units can be ignored relative to the number of the reconstruction codes of the monitoring cameras.
The reconstruction codes of the monitoring cameras and the original codes are in binding relation, for example, the reconstruction codes are bound through pointers or through corresponding relations, so that after the second reconstruction codes are obtained, the first original codes of the target monitoring cameras in the target organization can be directly positioned according to the second reconstruction codes, and query actions are not needed.
Therefore, compared with the prior art that the process of querying a plurality of times is required to be executed in the original codes of a plurality of monitoring cameras, in the application, the process of querying in the reconstruction codes of a plurality of monitoring cameras is required to be performed only once, wherein the number of the original codes of the plurality of monitoring cameras is the same as the number of the reconstruction codes of the plurality of monitoring cameras.
Drawings
Fig. 1 is a flowchart of steps of a query method of a video networking monitoring camera according to an embodiment of the present invention.
Fig. 2 is a block diagram of a query device for an internet-of-view monitoring camera according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a networking of the video networking of the present invention.
Fig. 4 is a schematic hardware structure of a node server according to the present invention.
Fig. 5 is a schematic diagram of a hardware architecture of an access switch according to the present invention.
Fig. 6 is a schematic hardware structure of an ethernet corotating gateway according to the present invention.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1, a flowchart illustrating steps of a query method based on internet of view according to an embodiment of the present invention may specifically include the following steps:
in step S101, when a first original code of a target monitoring camera belonging to a target organization needs to be queried, a second original code of the target organization is obtained;
in the application, when a user needs to view the surveillance video streams recorded by some surveillance cameras belonging to the target organization, the first original codes of the target surveillance cameras belonging to the target organization can be queried on the surveillance management platform, and then the original codes of the surveillance cameras are selected from the first original codes of the target surveillance cameras, so that the surveillance management platform can acquire and play the surveillance video streams recorded by the surveillance cameras according to the original codes of the surveillance cameras.
The user inputs a query request for querying a first original code of a target monitoring camera belonging to a target organization on a monitoring management platform, the query request at least carries a second original code of the target organization, the monitoring management platform receives the query request, then the second original code of the target organization is extracted from the query request, and then step S102 is executed.
In step S102, a first reconstruction code of a target organization mechanism is obtained according to the second original code; wherein, the reconstruction codes of each organization mechanism are unique and different;
in this application, a reconstruction code different from the original code may be set for each organization in advance.
For example, for any of a plurality of organizations, it may be determined whether the organization has a superior organization;
if the organization does not have a superior organization, the original code of the organization can be obtained, then a code is randomly generated, and the obtained original code of the organization and the randomly generated code form a corresponding table entry and are stored in a first corresponding relation between the original code of the organization and the reconstruction code of the organization; that is, the randomly generated code is used as the reconstruction code of the organization.
The original codes of the organization mechanism may be multiple, for example, multiple monitoring cameras are respectively affiliated to multiple third party units, and each third party unit has different coding modes for the organization mechanism, so that the original codes of the organization mechanism used by each third party unit are different, and therefore, for the original codes of the organization mechanism used by any third party unit, the original codes of the organization mechanism used by the third party unit and the randomly generated codes form corresponding table entries, and the corresponding table entries are stored in the corresponding relation between the original codes of the organization mechanism and the reconstructed codes of the organization mechanism; the above is also performed for the original code of the organization used by each of the other third party units.
If the organization has a higher-level organization, the original code of the organization can be obtained, then the organization code of the higher-level organization is obtained, then a code is randomly generated, then the organization code of the higher-level organization and the randomly generated code are combined into a reconstruction code of the organization, and then the obtained original code of the organization and the reconstruction code of the organization obtained by combination are formed into a corresponding table entry and stored in a first corresponding relation.
The above operations are performed similarly for each of the other of the plurality of organizations.
In this way, in this step, the reconstruction code corresponding to the second original code may be found in the first correspondence and used as the first reconstruction code.
In step S103, based on the left matching principle of fuzzy matching, searching for a second reconstruction code starting from the first reconstruction code among the reconstruction codes of the plurality of monitoring cameras; the reconstruction code of the monitoring camera is generated at least based on the reconstruction code of the organization mechanism;
in this application, a reconstruction code different from the original code may be set for each monitoring camera in advance.
For example, for any one of the plurality of cameras, the original code of the camera may be obtained in advance;
and then acquiring the reconstruction code of the organization affiliated to the camera, wherein the original code of the organization affiliated to the camera can be acquired according to the original code of the camera, for example, the reconstruction code corresponding to the original code of the organization affiliated to the camera is searched in the first corresponding relation.
And generating a reconstruction code of the camera at least according to the reconstruction code of the organization affiliated to the camera.
In the application, the original code of the camera at least comprises two parts, one part is the code of the organization affiliated to the camera, the other part is the camera mark of the camera, and the camera marks of different cameras are different. Therefore, the camera identification in the original code of the camera can be obtained, and then the reconstruction code of the organization affiliated to the camera and the camera identification of the camera are combined into the reconstruction code of the camera, for example, the reconstruction code of the organization affiliated to the camera is used as the front half part of the reconstruction code of the camera, and the camera identification of the camera is used as the rear half part of the reconstruction code of the camera.
And then the reconstruction code of the camera and the original code of the camera can be formed into a corresponding table entry, and the corresponding table entry is stored in a second corresponding relation between the reconstruction code of the camera and the original code of the camera.
The above-described operations are also performed for each of the other cameras of the plurality of cameras.
In the second corresponding relation, the first column stores the reconstruction code of the camera, and the second column stores the original code of the camera. In this way, the second reconstruction code starting with the first reconstruction code can be found in the first column in the second correspondence.
In step S104, a first original code of a target monitoring camera belonging to a target organization is acquired according to the second reconstruction code.
In the present application, after the second reconstruction code starting with the first reconstruction code is found in the first column in the second correspondence, the original code corresponding to the second reconstruction code may be directly found in the second correspondence and used as the first original code.
Then, the monitoring management platform can display the first original codes of the target monitoring cameras belonging to the target organization, the user can see the first original codes of the target monitoring cameras belonging to the target organization displayed by the monitoring management platform, and then select part of the original codes in the displayed first original codes so that the monitoring management platform can call and play the monitoring video stream recorded by the monitoring cameras corresponding to the part of the original codes, and the user can further check the monitoring video stream recorded by the monitoring cameras corresponding to the part of the original codes.
In the application, when the first original codes of the target monitoring cameras belonging to the target organization are required to be queried, the first reconstruction codes of the target organization can be queried in the reconstruction codes of a plurality of organizations according to the second original codes of the target organization, and then the second reconstruction codes beginning with the first reconstruction codes are queried in the reconstruction codes of a plurality of monitoring cameras.
In the two inquiry processes, one inquiry process is to inquire in the reconstruction codes of a plurality of organization units, and the other inquiry process is to inquire in the reconstruction codes of a plurality of monitoring cameras, the number of the organization units is limited, and therefore, the number of the reconstruction codes of the organization units is limited, however, the number of the monitoring cameras is very large, and therefore, the number of the reconstruction codes of the monitoring cameras is very large, and in general, the number of the reconstruction codes of the monitoring cameras is far larger than the number of the reconstruction codes of the organization units, namely, the number of the reconstruction codes of the organization units can be ignored relative to the number of the reconstruction codes of the monitoring cameras.
The reconstruction codes of the monitoring cameras and the original codes are in binding relation, for example, the reconstruction codes are bound through pointers or through corresponding relations, so that after the second reconstruction codes are obtained, the first original codes of the target monitoring cameras in the target organization can be directly positioned according to the second reconstruction codes, and query actions are not needed.
Therefore, compared with the prior art that the process of querying a plurality of times is required to be executed in the original codes of a plurality of monitoring cameras, in the application, the process of querying in the reconstruction codes of a plurality of monitoring cameras is required to be performed only once, wherein the number of the original codes of the plurality of monitoring cameras is the same as the number of the reconstruction codes of the plurality of monitoring cameras.
It should be noted that, for simplicity of description, the method embodiments are shown as a series of acts, but it should be understood by those skilled in the art that the embodiments are not limited by the order of acts, as some steps may occur in other orders or concurrently in accordance with the embodiments. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred embodiments, and that the acts are not necessarily required by the embodiments of the invention.
Referring to fig. 2, a block diagram of a query device of an internet-of-view monitoring camera according to an embodiment of the present invention is shown, where the device may specifically include the following modules:
the first obtaining module 11 is configured to obtain a second original code of a target organization when a first original code of a target monitoring camera belonging to the target organization needs to be queried;
a second obtaining module 12, configured to obtain a first reconstruction code of the target organization mechanism according to the second original code; wherein, the reconstruction codes of each organization mechanism are unique and different;
the searching module 13 is configured to search, based on a left matching principle of fuzzy matching, for a second reconstruction code starting from the first reconstruction code among the reconstruction codes of the plurality of monitoring cameras; the reconstruction code of the monitoring camera is generated at least based on the reconstruction code of the organization mechanism;
And a third obtaining module 14, configured to obtain a first original code of the target surveillance camera according to the second reconstruction code.
For each monitoring camera, the second acquisition module 12 further includes:
a determining unit configured to determine, for each organization, whether the organization has a superordinate organization;
the first storage unit is used for acquiring the original code of the organization mechanism, randomly generating a code if the organization mechanism does not exist in the upper-level organization mechanism, forming a corresponding table entry by the acquired original code of the organization mechanism and the randomly generated code, and storing the corresponding table entry in a first corresponding relation between the original code of the organization mechanism and the reconstructed code of the organization mechanism;
the second storage unit is used for acquiring the original code of the organization mechanism, acquiring the mechanism code of the upper organization mechanism, randomly generating a code, and combining the mechanism code of the upper organization mechanism and the randomly generated code into a reconstruction code of the organization mechanism if the organization mechanism exists in the upper organization mechanism; and forming a corresponding table item by the obtained original codes of the organization mechanism and the obtained reconstructed codes of the organization mechanism by combination, and storing the corresponding table item in the first corresponding relation.
For each monitoring camera, the second acquisition module 12 includes:
and the first searching unit is used for searching the reconstruction code corresponding to the second original code in the first corresponding relation and taking the reconstruction code as the first reconstruction code.
For each monitoring camera, the third acquisition module 14 further includes:
the first acquisition unit is used for acquiring the original codes of the cameras for each monitoring camera;
the second acquisition unit is used for acquiring the reconstruction codes of the organization mechanism to which the camera belongs;
the generating unit is used for generating the reconstruction code of the camera at least according to the reconstruction code of the organization mechanism to which the camera belongs;
the storage unit is used for forming a corresponding table item by the reconstruction code of the camera and the original code of the camera and storing the corresponding table item in a second corresponding relation between the reconstruction code of the camera and the original code of the camera,
For each monitoring camera, the third acquisition module 14 includes:
and the second searching module is used for searching the original code corresponding to the second reconstruction code in the second corresponding relation and taking the original code as the first original code.
In the application, when the first original codes of the target monitoring cameras belonging to the target organization are required to be queried, the first reconstruction codes of the target organization can be queried in the reconstruction codes of a plurality of organizations according to the second original codes of the target organization, and then the second reconstruction codes beginning with the first reconstruction codes are queried in the reconstruction codes of a plurality of monitoring cameras.
In the two inquiry processes, one inquiry process is to inquire in the reconstruction codes of a plurality of organization units, and the other inquiry process is to inquire in the reconstruction codes of a plurality of monitoring cameras, the number of the organization units is limited, and therefore, the number of the reconstruction codes of the organization units is limited, however, the number of the monitoring cameras is very large, and therefore, the number of the reconstruction codes of the monitoring cameras is very large, and in general, the number of the reconstruction codes of the monitoring cameras is far larger than the number of the reconstruction codes of the organization units, namely, the number of the reconstruction codes of the organization units can be ignored relative to the number of the reconstruction codes of the monitoring cameras.
The reconstruction codes of the monitoring cameras and the original codes are in binding relation, for example, the reconstruction codes are bound through pointers or through corresponding relations, so that after the second reconstruction codes are obtained, the first original codes of the target monitoring cameras in the target organization can be directly positioned according to the second reconstruction codes, and query actions are not needed.
Therefore, compared with the prior art that the process of querying a plurality of times is required to be executed in the original codes of a plurality of monitoring cameras, in the application, the process of querying in the reconstruction codes of a plurality of monitoring cameras is required to be performed only once, wherein the number of the original codes of the plurality of monitoring cameras is the same as the number of the reconstruction codes of the plurality of monitoring cameras.
For the device embodiments, since they are substantially similar to the method embodiments, the description is relatively simple, and reference is made to the description of the method embodiments for relevant points.
The embodiment of the invention also discloses electronic equipment, which comprises a memory, a processor and a computer program stored in the memory and capable of running on the processor, wherein the query method of the video networking monitoring camera shown in fig. 1 is realized when the processor executes the computer program.
The embodiment of the invention also shows a computer readable storage medium, and the computer readable storage medium stores a computer program, and the computer program causes a processor to execute the query method of the video networking monitoring camera shown in fig. 1.
The video networking is an important milestone for network development, is a real-time network, can realize real-time transmission of high-definition videos, and pushes numerous internet applications to high-definition videos, and the high definition faces.
The video networking adopts a real-time high-definition video exchange technology, and can integrate all required services such as high-definition video conference, video monitoring, intelligent monitoring analysis, emergency command, digital broadcast television, delay television, network teaching, live broadcast, VOD on demand, television mail, personal record (PVR), intranet (self-processing) channel, intelligent video playing control, information release and other tens of services into one system platform, and realize high-definition quality video playing through television or computer.
For a better understanding of embodiments of the present invention, the following description of the video networking is presented to one skilled in the art:
the partial techniques applied by the video networking are as follows:
network technology (Network Technology)
The network technology innovation of the internet of vision improves on the traditional Ethernet (Ethernet) to face the potentially huge first video traffic on the network. Unlike pure network Packet Switching (Packet Switching) or network circuit Switching (Circuit Switching), the technology of video networking employs Packet Switching to meet Streaming requirements. The video networking technology has the flexibility, simplicity and low price of packet switching, and simultaneously has the quality and the safety guarantee of circuit switching, thereby realizing the seamless connection of the whole network switching type virtual circuit and the data format.
Exchange technology (Switching Technology)
The video network adopts the two advantages of the asynchronization and the packet switching of the Ethernet, eliminates the Ethernet defect on the premise of full compatibility, has full-network end-to-end seamless connection, and is directly connected with the user terminal to directly bear the IP data packet. The user data does not need any format conversion in the whole network. The video networking is a higher-level form of Ethernet, is a real-time exchange platform, can realize real-time transmission of full-network large-scale high-definition video which cannot be realized by the current Internet, and pushes numerous network video applications to high definition and unification.
Server technology (Server Technology)
The server technology on the video networking and unified video platform is different from the server in the traditional sense, the streaming media transmission is based on connection-oriented basis, the data processing capability is irrelevant to the flow and the communication time, and a single network layer can contain signaling and data transmission. For voice and video services, the complexity of video networking and unified video platform streaming media processing is much simpler than that of data processing, and the efficiency is greatly improved by more than hundred times than that of a traditional server.
Accumulator technology (Storage Technology)
The ultra-high-speed storage technology of the unified video platform adopts the most advanced real-time operating system for adapting to the ultra-large capacity and ultra-large flow media content, the program information in the server instruction is mapped to a specific hard disk space, the media content does not pass through the server any more, the media content is instantly and directly delivered to a user terminal, and the waiting time of the user is generally less than 0.2 seconds. The optimized sector distribution greatly reduces the mechanical motion of magnetic head seek of the hard disk, the resource consumption only accounts for 20% of the IP Internet of the same grade, but the concurrent flow which is 3 times greater than that of the traditional hard disk array is generated, and the comprehensive efficiency is improved by more than 10 times.
Network security technology (Network Security Technology)
The structural design of the video networking thoroughly structurally solves the network security problem puzzling the Internet by means of independent permission of each service, complete isolation of equipment and user data and the like, generally does not need antivirus programs or firewalls, eliminates attacks of hackers and viruses, and provides a structural carefree security network for users.
Service innovation technology (Service Innovation Technology)
The unified video platform fuses services with transmissions, whether a single user, private network users or a network aggregate, but automatically connects at a time. The user terminal, the set top box or the PC is directly connected to the unified video platform, so that various multimedia video services are obtained. The unified video platform adopts a menu type table allocation mode to replace the traditional complex application programming, and can realize complex application by using very few codes, thereby realizing 'infinite' new business innovation.
Networking of the video networking is as follows:
the video networking is a centrally controlled network structure, which may be of the tree network, star network, ring network, etc., but on the basis of this there is a need for a centralized control node in the network to control the whole network.
As shown in fig. 3, the view network is divided into an access network and a metropolitan area network.
The devices of the access network part can be mainly divided into 3 classes: node server, access switch, terminal (including various set-top boxes, code boards, memories, etc.). The node server is connected with an access switch, which can be connected with a plurality of terminals and can be connected with an Ethernet.
The node server is a node with a centralized control function in the access network, and can control the access switch and the terminal. The node server may be directly connected to the access switch or may be directly connected to the terminal.
Similarly, devices of the metropolitan area network portion can also be classified into 3 categories: metropolitan area server, node switch, node server. The metro server is connected to a node switch, which may be connected to a plurality of node servers.
The node server is the node server of the access network part, namely the node server belongs to the access network part and also belongs to the metropolitan area network part.
The metropolitan area server is a node with centralized control function in the metropolitan area network, and can control a node switch and a node server. The metropolitan area server may be directly connected to the node switch or directly connected to the node server.
Thus, the whole video network is a hierarchical centralized control network structure, and the network controlled by the node server and the metropolitan area server can be in various structures such as tree, star, ring and the like.
The access network part can be vividly called as a unified video platform (part in a dotted circle), and a plurality of unified video platforms can form a video network; each unified video platform can be interconnected and intercommunicated through metropolitan area and wide area video networking.
View networking device classification
1.1 devices in the visual network according to the embodiment of the present invention may be mainly classified into 3 types: a server, a switch (including an ethernet corotation gateway), and a terminal (including various set-top boxes, a code board, a memory, etc.). The view networking can be divided into metropolitan area networks (or national networks, global networks, etc.) and access networks as a whole.
1.2 devices in the access network part can be mainly classified into 3 classes: node server, access switch (including Ethernet corotation gateway), terminal (including various set-top boxes, coding board, memory, etc.).
The specific hardware structure of each access network device is as follows:
the node server:
as shown in fig. 4, the device mainly comprises a network interface module 201, a switching engine module 202, a CPU module 203 and a disk array module 204;
Wherein, the network interface module 201, the cpu module 203 and the disk array module 204 all enter the switching engine module 202; the switching engine module 202 performs an operation of looking up the address table 205 on the incoming packet, thereby obtaining packet guiding information; and stores the packet into a corresponding queue of the packet buffer 206 according to the packet's guiding information; discarding if the queue of the packet buffer 206 is nearly full; the switch engine module 202 polls all packet buffer queues for forwarding if the following conditions are met: 1) The port sending buffer is not full; 2) The queue packet counter is greater than zero. The disk array module 204 mainly controls the hard disk, including initializing, reading and writing operations on the hard disk; the CPU module 203 is mainly responsible for protocol processing with access switches and terminals (not shown), configuration of the address table 205 (including a downstream protocol packet address table, an upstream protocol packet address table, and a data packet address table), and configuration of the disk array module 204.
Access switch:
as shown in fig. 5, mainly includes a network interface module (a downstream network interface module 301, an upstream network interface module 302), a switching engine module 303, and a CPU module 304;
wherein, the packet (uplink data) coming in from the downlink network interface module 301 enters the packet detection module 305; the packet detection module 305 detects whether the Destination Address (DA), source Address (SA), packet type, and packet length of the packet meet the requirements, if so, allocates a corresponding stream identifier (stream-id), and enters the switching engine module 303, otherwise, discards the packet; the packets (downstream data) coming in from the upstream network interface module 302 enter the switching engine module 303; the data packet coming in from the CPU module 304 enters the switching engine module 303; the switching engine module 303 performs an operation of looking up an address table 306 on an incoming packet, thereby obtaining packet guiding information; if a packet entering the switching engine module 303 is sent from the downstream network interface to the upstream network interface, the packet is stored in the queue of the corresponding packet buffer 307 in association with a stream identifier (stream-id); discarding if the queue of the packet buffer 307 is nearly full; if the packet entering the switching engine module 303 is not sent from the downlink network interface to the uplink network interface, storing the data packet into the queue of the corresponding packet buffer 307 according to the packet guiding information; if the queue of the packet buffer 307 is nearly full, it is discarded.
The switch engine module 303 polls all packet buffer queues, which may include two scenarios:
if the queue is sent from the downlink network interface to the uplink network interface, the following conditions are satisfied for forwarding: 1) The port sending buffer is not full; 2) The queue packet counter is greater than zero; 3) Obtaining a token generated by a code rate control module;
if the queue is not addressed by the downstream network interface to the upstream network interface, the following condition is satisfied for forwarding: 1) The port sending buffer is not full; 2) The queue packet counter is greater than zero.
The rate control module 308 is configured by the CPU module 304 to generate tokens for all packet buffer queues from the downstream network interface to the upstream network interface at programmable intervals to control the rate of upstream forwarding.
The CPU module 304 is mainly responsible for protocol processing with the node server, configuration of the address table 306, and configuration of the rate control module 308.
Ethernet corotation gateway：
As shown in fig. 6, the device mainly includes a network interface module (a downstream network interface module 401 and an upstream network interface module 402), a switching engine module 403, a CPU module 404, a packet detection module 405, a rate control module 408, an address table 406, a packet buffer 407, a MAC adding module 409, and a MAC deleting module 410.
Wherein, the data packet coming in from the downlink network interface module 401 enters the packet detection module 405; the packet detection module 405 detects whether the ethernet MAC DA, ethernet MAC SA, ethernet length or frame type, video network destination address DA, video network source address SA, video network packet type and packet length of the data packet meet the requirements, and if so, allocates a corresponding stream identifier (stream-id); then, the MAC DA, MAC SA, length or frame type (2 byte) are subtracted by the MAC delete module 410 and enter the corresponding receive buffer, otherwise discarded;
the downlink network interface module 401 detects the sending buffer of the port, if there is a packet, acquires the ethernet MAC DA of the corresponding terminal according to the destination address DA of the packet's internet of view, adds the ethernet MAC DA of the terminal, the MAC SA of the ethernet cooperative gateway, and the ethernet length or frame type, and sends.
The function of the other modules in the ethernet corotation gateway is similar to that of the access switch.
And (3) a terminal:
the system mainly comprises a network interface module, a service processing module and a CPU module; for example, the set top box mainly comprises a network interface module, a video/audio encoding/decoding engine module and a CPU module; the coding board mainly comprises a network interface module, a video and audio coding engine module and a CPU module; the memory mainly comprises a network interface module, a CPU module and a disk array module.
1.3 devices of the metropolitan area network part can be mainly classified into 2 classes: node server, node switch, metropolitan area server. The node switch mainly comprises a network interface module, a switching engine module and a CPU module; the metropolitan area server mainly comprises a network interface module, a switching engine module and a CPU module.
2. View networking data packet definition
2.1 Access network packet definition
The data packet of the access network mainly comprises the following parts: destination Address (DA), source Address (SA), reserved bytes, payload (PDU), CRC.
As shown in the following table, the data packet of the access network mainly includes the following parts:
| DA | SA | Reserved | Payload | CRC |
wherein:
the Destination Address (DA) is composed of 8 bytes (byte), the first byte represents the type of data packet (such as various protocol packets, multicast data packets, unicast data packets, etc.), 256 possibilities are at most provided, the second byte to the sixth byte are metropolitan area network addresses, and the seventh and eighth bytes are access network addresses;
the Source Address (SA) is also composed of 8 bytes (bytes), defined identically to the Destination Address (DA);
the reserved bytes consist of 2 bytes;
the payload portion has different lengths according to the types of the different datagrams, and is 64 bytes if it is various protocol packets, and 32+1024=1056 bytes if it is a unicast packet, and is of course not limited to the above 2 types;
The CRC consists of 4 bytes and its calculation method follows the standard ethernet CRC algorithm.
2.2 metropolitan area network packet definition
The topology of the metropolitan area network is a pattern, there may be 2 or even more than 2 connections between two devices, i.e. there may be more than 2 connections between node switches and node servers, node switches and node switches, node switches and node servers. However, the metropolitan area network address of the metropolitan area network device is unique, and in order to accurately describe the connection relationship between metropolitan area network devices, parameters are introduced in the embodiment of the present invention: a tag to uniquely describe a metropolitan area network device.
The definition of label in this specification is similar to that of MPLS (Multi-Protocol Label Switch, multiprotocol label switching), and assuming that there are two connections between device a and device B, there are 2 labels for packets from device a to device B and 2 labels for packets from device B to device a. The label is split into label and label out, and assuming that the label (in label) of the packet entering the device a is 0x0000, the label (out label) of the packet when leaving the device a may become 0x0001. The network access process of the metropolitan area network is a network access process under centralized control, that is, the address allocation and label allocation of the metropolitan area network are all led by the metropolitan area server, the node switch and the node server are all passively executed, which is different from the label allocation of the MPLS, which is the result of mutual negotiation between the switch and the server.
As shown in the following table, the data packet of the metropolitan area network mainly includes the following parts:
| DA | SA | Reserved | label (Label) | Payload | CRC |
I.e. Destination Address (DA), source Address (SA), reserved bytes (Reserved), labels, payload (PDU), CRC. Wherein the format of the tag may be defined with reference to the following: the tag is 32 bits, with the high 16bit reservation, with only the low 16bit, and its position is between the reserved bytes and payload of the packet.
In this specification, each embodiment is described in a progressive manner, and each embodiment is mainly described by differences from other embodiments, and identical and similar parts between the embodiments are all enough to be referred to each other.
It will be apparent to those skilled in the art that embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, embodiments of the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the invention may take the form of a computer program product on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.
Embodiments of the present invention are described with reference to flowchart illustrations and/or block diagrams of methods, terminal devices (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing terminal device to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal device, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the embodiments of the invention.
Finally, it is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or terminal device comprising the element.
The above description is made in detail on a query method and device for a video networking monitoring camera, and specific examples are applied to explain the principle and implementation of the invention, and the above description of the examples is only used for helping to understand the method and core idea of the invention; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present invention, the present description should not be construed as limiting the present invention in view of the above.
Claims (10)
1. The query method of the monitoring camera of the visual network is characterized by comprising the following steps:
when a first original code of a target monitoring camera belonging to a target organization is required to be inquired, acquiring a second original code of the target organization;
acquiring a first reconstruction code of the target tissue mechanism according to the second original code; wherein, the reconstruction codes of each organization mechanism are unique and different;
searching a second reconstruction code beginning with the first reconstruction code in the reconstruction codes of a plurality of monitoring cameras based on a left matching principle of fuzzy matching; the reconstruction code of the monitoring camera is generated at least based on the reconstruction code of the organization mechanism;
And acquiring a first original code of the target monitoring camera according to the second reconstruction code.
2. The method according to claim 1, wherein the method further comprises:
for each organization, determining whether the organization has a superordinate organization;
if the organization does not have a superior organization, acquiring an original code of the organization, randomly generating a code, forming a corresponding table entry by the acquired original code of the organization and the randomly generated code, and storing the corresponding table entry in a first corresponding relation between the original code of the organization and a reconstruction code of the organization;
if the organization mechanism has a superior organization mechanism, acquiring an original code of the organization mechanism, acquiring a mechanism code of the superior organization mechanism, randomly generating a code, and combining the mechanism code of the superior organization mechanism and the randomly generated code into a reconstruction code of the organization mechanism; and forming a corresponding table item by the obtained original codes of the organization mechanism and the obtained reconstructed codes of the organization mechanism by combination, and storing the corresponding table item in the first corresponding relation.
3. The method of claim 2, wherein the obtaining a first reconstruction code of the target tissue mechanism from the second original code comprises:
And searching a reconstruction code corresponding to the second original code in the first corresponding relation, and taking the reconstruction code as the first reconstruction code.
4. The method according to claim 1, wherein the method further comprises:
for each monitoring camera, acquiring an original code of the camera;
obtaining a reconstruction code of an organization affiliated to the camera;
generating a reconstruction code of the camera at least according to the reconstruction code of the organization affiliated by the camera;
and forming a corresponding table item by the reconstruction code of the camera and the original code of the camera, and storing the corresponding table item in a second corresponding relation between the reconstruction code of the camera and the original code of the camera.
5. The method of claim 4, wherein the obtaining the first original code of the target surveillance camera head from the second reconstruction code comprises:
and searching an original code corresponding to the second reconstruction code in the second corresponding relation, and taking the original code as the first original code.
6. An inquiry device of a monitoring camera of the internet of vision, which is characterized in that the device comprises:
the first acquisition module is used for acquiring a second original code of the target organization mechanism when the first original code of the target monitoring camera belonging to the target organization mechanism needs to be inquired;
The second acquisition module is used for acquiring a first reconstruction code of the target organization mechanism according to the second original code; wherein, the reconstruction codes of each organization mechanism are unique and different;
the searching module is used for searching a second reconstruction code beginning with the first reconstruction code in the reconstruction codes of the plurality of monitoring cameras based on a left matching principle of fuzzy matching; the reconstruction code of the monitoring camera is generated at least based on the reconstruction code of the organization mechanism;
and the third acquisition module is used for acquiring the first original code of the target monitoring camera according to the second reconstruction code.
7. The apparatus of claim 6, wherein the second acquisition module further comprises:
a determining unit configured to determine, for each organization, whether the organization has a superordinate organization;
the first storage unit is used for acquiring the original code of the organization mechanism, randomly generating a code if the organization mechanism does not exist in the upper-level organization mechanism, forming a corresponding table entry by the acquired original code of the organization mechanism and the randomly generated code, and storing the corresponding table entry in a first corresponding relation between the original code of the organization mechanism and the reconstructed code of the organization mechanism;
The second storage unit is used for acquiring the original code of the organization mechanism, acquiring the mechanism code of the upper organization mechanism, randomly generating a code, and combining the mechanism code of the upper organization mechanism and the randomly generated code into a reconstruction code of the organization mechanism if the organization mechanism exists in the upper organization mechanism; and forming a corresponding table item by the obtained original codes of the organization mechanism and the obtained reconstructed codes of the organization mechanism by combination, and storing the corresponding table item in the first corresponding relation.
8. The apparatus of claim 7, wherein the second acquisition module comprises:
and the first searching unit is used for searching the reconstruction code corresponding to the second original code in the first corresponding relation and taking the reconstruction code as the first reconstruction code.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing a method of querying an internet-of-view monitoring camera according to any one of claims 1 to 5 when executing the computer program.
10. A computer-readable storage medium, wherein a computer program is stored on the computer-readable storage medium, the computer program causing a processor to execute the query method of the internet-of-view monitoring camera according to any one of claims 1 to 5.
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