CN109688482B - Video management device, system and method based on fog computing architecture - Google Patents
Video management device, system and method based on fog computing architecture Download PDFInfo
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- CN109688482B CN109688482B CN201910023793.1A CN201910023793A CN109688482B CN 109688482 B CN109688482 B CN 109688482B CN 201910023793 A CN201910023793 A CN 201910023793A CN 109688482 B CN109688482 B CN 109688482B
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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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/633—Control signals issued by server directed to the network components or client
- H04N21/6332—Control signals issued by server directed to the network components or client directed to client
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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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/637—Control signals issued by the client directed to the server or network components
- H04N21/6377—Control signals issued by the client directed to the server or network components directed to server
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Abstract
The application provides a video management device, system and method based on a fog computing architecture, wherein the device comprises: the node is electrically connected with the at least one video acquisition component; the video acquisition component is used for acquiring a video and sending the video to the node; the node is used for storing the video acquired by the video acquisition component, and forwarding the stored video to an external video management platform when the time difference between the current time and the acquisition time of the stored video is determined to be greater than a set time threshold; and when a video calling instruction sent by the video management platform is received, sending a video to be called corresponding to the video calling instruction. According to the embodiment of the application, the transmission distance of data is reduced, and the response speed is improved; the capacity expansion of the wide area network is realized, and then the unified management of the video is realized.
Description
Technical Field
The present application relates to the field of video management technologies, and in particular, to a device, a system, and a method for video management based on a fog computing architecture.
Background
Today, many large business companies have multiple regional affiliates located nationwide. In order to facilitate management of local surveillance videos, each branch office is provided with a local area network. If the head office manages the monitoring videos of each branch company in a unified manner, local videos of local area networks in different areas need to be called across a wide area network.
In the prior art, a video monitoring system mainly includes a conventional video monitoring system and a video monitoring system based on a cloud computing architecture. Because of the self structural design of the traditional video monitoring system, the local area network systems in different areas across a wide area network cannot be directly expanded, so that each local area network system can only operate independently and cannot realize uniform management. The video monitoring system based on the cloud computing architecture mainly adopts a local private cloud scheme, and mainly solves the problem of capacity expansion of a local area network system and cannot solve the problem of capacity expansion across a wide area network. In the prior art, because the capacity expansion across the wide area network is difficult to realize, the monitoring videos stored in different local area networks cannot be managed in a unified manner, and the advantage of short data transmission distance cannot be achieved.
Disclosure of Invention
In view of the above, an object of the present application is to provide a video management apparatus, system and method based on a fog computing architecture, so as to reduce a transmission distance of data, reduce a system delay generated during system processing, and improve a response speed of the system; the expansion difficulty of the expanded wide area network is improved, and the unified management of the video is realized.
In a first aspect, an embodiment of the present application provides a video management apparatus based on a fog computing architecture, including a node and at least one video acquisition component, where the node is electrically connected to the at least one video acquisition component;
the video acquisition component is used for acquiring a video and sending the video to the node;
the node is used for storing the video acquired by the video acquisition component, and forwarding the stored video to an external video management platform when the time difference between the current time and the acquisition time of the stored video is determined to be greater than a set time threshold; and when a video calling instruction sent by the video management platform is received, sending a video to be called corresponding to the video calling instruction.
In a second aspect, an embodiment of the present application further provides a video management system based on a fog computing architecture, including: the system comprises a client, a video management platform and at least one video management device;
the client is used for sending a video calling request to the video management platform and displaying a video to be called, wherein the video calling request comprises the acquisition time of the video to be called;
the video management platform is used for determining whether a time difference value between the current time and the acquisition time of the video to be called is not greater than a set time threshold value or not according to a video calling request sent by a client, if so, acquiring a video management device for storing the video to be called, sending a video calling instruction to the video management device, and sending the received video to be called sent by the video management device to the client, wherein the video calling instruction comprises an address of the client;
the video management device is used for determining whether the address of the client is consistent with the self address when receiving a video calling instruction sent by the video management platform, and if not, sending a video to be called to the video management platform.
With reference to the second aspect, an embodiment of the present application provides a first possible implementation manner of the second aspect, where the video management apparatus is further configured to send a video to be called to the client if it is determined that an address of the client is consistent with an address of the client.
With reference to the second aspect, embodiments of the present application provide a second possible implementation manner of the second aspect, where the video management apparatus includes a node and at least one video capturing component, and the node is electrically connected to the at least one video capturing component;
the video acquisition component is used for acquiring a video and sending the video to the node;
the node is used for storing the video collected by the video collecting component, and forwarding the stored video to the video management platform when the time difference between the current time and the collection time of the stored video is determined to be larger than a set time threshold; and when a video calling instruction sent by the video management platform is received, sending a video to be called corresponding to the video calling instruction.
With reference to the second possible implementation manner of the second aspect, an embodiment of the present application provides a third possible implementation manner of the second aspect, where the video management platform includes a video management server, a streaming media server, and a memory;
the video management server is used for receiving a video calling request, acquiring an address of a node storing a video to be called according to the video calling request and a configuration relation table, and sending the address and the acquisition time of the video to be called to the streaming media server;
the streaming media server is used for determining whether a time difference value between the current time and the video acquisition time to be called is not greater than a set time threshold value, if so, generating the video calling instruction, acquiring a node for storing the video to be called according to the address, sending the video calling instruction to the node, and sending the received video sent by the node to the client;
the memory is used for storing the video sent by the node when the time difference value between the current time and the collection time of the stored video is determined to be larger than a set time threshold.
With reference to the third possible implementation manner of the second aspect, an embodiment of the present application provides a fourth possible implementation manner of the second aspect, where the streaming media server is further configured to, when it is determined that a time difference between the current time and the time for capturing the video to be called is greater than a set time threshold, call the video to be called from the memory, and send the video to be called to the client.
In a third aspect, an embodiment of the present application further provides a video management method based on a fog computing architecture, including: the method comprises the steps that a video calling request is sent according to a client, wherein the video calling request comprises the acquisition time of a video to be called;
determining whether a time difference value between the current time and the acquisition time of the video to be called is not greater than a set time threshold value, if so, acquiring a video management device for storing the video to be called, and sending a video calling instruction to the video management device, wherein the video calling instruction comprises an address of a client;
and sending the received video to be called, which is sent by the video management device when the address of the client is determined to be inconsistent with the address of the client, to the client.
With reference to the third aspect, the present application provides a first possible implementation manner of the second aspect, where when the video management apparatus determines that the address of the client coincides with its own address, the video to be called is sent to the client.
With reference to the third aspect, embodiments of the present application provide a second possible implementation manner of the second aspect, where the video management apparatus includes a node and at least one video capturing component, and the node is electrically connected to the at least one video capturing component;
the video acquisition component is used for acquiring a video and sending the video to the node;
the node is used for storing the video collected by the video collecting component, and forwarding the stored video to the video management platform when the time difference between the current time and the collection time of the stored video is determined to be larger than a set time threshold; and when a video calling instruction sent by the video management platform is received, sending a video to be called corresponding to the video calling instruction.
With reference to the second possible implementation manner of the second aspect, an embodiment of the present application provides a third possible implementation manner of the second aspect, where the obtaining and storing a video management apparatus for the video to be called includes:
acquiring an address of a node storing a video to be called according to the video calling request and a configuration relation table; and acquiring the node for storing the video to be called according to the address.
According to the device, the system and the method for video management, the nodes are adopted to upload videos to the video management platform and respond to the calling instructions of the video management platform, and compared with the traditional video monitoring system and the video monitoring system based on the cloud computing architecture in the prior art, due to the self architecture design, the capacity of the local area network systems in different areas of a wide area network cannot be directly expanded, so that each local area network system can only run independently, the unified management cannot be realized, the advantages of short data transmission distance cannot be achieved, the data transmission distance is reduced, the time delay during data transmission is reduced, and the response speed of the system is improved; the capacity expansion of the wide area network is realized, and then the unified management of the video is realized.
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic structural diagram illustrating an apparatus for video management according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of another video management apparatus provided in an embodiment of the present application;
fig. 3 is a schematic structural diagram of another video management apparatus provided in an embodiment of the present application;
fig. 4 is a schematic structural diagram illustrating a video management system according to an embodiment of the present application;
fig. 5 is a schematic structural diagram illustrating another video management system provided in an embodiment of the present application;
fig. 6 shows a flowchart of a video management method based on a fog computing architecture according to an embodiment of the present application
Description of the main element symbols: a private network 1; a public network 2; a video management platform 10; a video management device 11; a client 13; a node 110; a video capture component 111.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
Today, many large business companies have multiple regional affiliates located nationwide. In order to manage the videos of each regional branch company, the main company is provided with a server with strong computing and processing capabilities. If the server of the head office manages the monitoring videos of each branch company in a unified manner, local videos of local area networks in different areas need to be called across a wide area network.
In view of the fact that in the prior art, because it is difficult to implement capacity expansion across a wide area network, it is impossible to implement unified management of monitoring videos stored in different local area networks, embodiments of the present application provide an apparatus, a system, and a method for video management based on a fog computing architecture, which are described below with reference to embodiments.
An embodiment of the present application provides a video management apparatus 11 based on a fog computing architecture, as shown in fig. 1, including a node 110 and at least one video capturing component 111, where the node 110 is electrically connected to the at least one video capturing component 111.
In order to facilitate management of local video, a branch office sets a video management device on a private network (local area network). Specifically, the video capture part 111 refers to a CAMERA having a communication function, and may be an IPC (IP CAMERA), and the model is not limited. Node 110 refers to an entity having processing functionality and may be a computer. In the embodiment of the present application, the video capture component refers to IPC, and the network architecture adopts a fog computing architecture, and the node 110 is specifically a fog computing node.
In the following, a brief description is given of a fog computing architecture, where fog computing is an extension of cloud computing, computing nodes (which may be weak-function and more distributed computers) are disposed at the edge of a network, and generated data is stored or processed, rather than being stored in the cloud (a powerful server). By adopting the fog computing architecture, the processing capacity of the system is greatly improved, the data transmission distance index is reduced, and the system delay is greatly shortened.
The video management device is provided with a node and a plurality of video acquisition components, and also can be provided with a plurality of nodes for respectively managing a plurality of video acquisition components. The number of the nodes and the video acquisition components contained in the video management device is at least one, and the specific number is not limited. Given one possible scenario, as shown in FIG. 2, the video management apparatus 11 includes a node 110, a video capture component 111-A, a video capture component 111-B, and a video capture component 111-C, with three video capture components 111 being communicable with the node 110.
And a video capture component 111 for capturing video and sending the video to the node 110.
Specifically, the private network may be provided with a plurality of video management devices 11, and a possible implementation is shown here, as shown in fig. 3, two video management devices, namely a video management device 11-a and a video management device 11-B, are provided on the private network 1, and the video acquisition part 11A-1, the video acquisition part 11A-2, and the video acquisition part 11A-3 transmit acquired videos to the node 110A in connection with them, and do not transmit videos to the node 110B of the video management device 11-B.
The node 110 is configured to store the video acquired by the video acquisition component, and forward the stored video to an external video management platform when determining that a time difference between the current time and the acquisition time of the stored video is greater than a set time threshold; and when a video calling instruction sent by the video management platform is received, sending a video to be called corresponding to the video calling instruction.
Specifically, the storage capacity of the node is limited, and only videos within a certain time are stored. The set time threshold may be any value. In the embodiment of the application, the fog calculation node can store 7 × 24 hours of videos at most, the corresponding set time threshold is 7 × 24 hours, the current time is more than 7 × 24 hours compared with the time corresponding to a certain video, and the fog calculation node automatically uploads the video to the video management platform. The video is cached and forwarded by the aid of the fog computing nodes, storage read-write IO performance is improved, and the problem of low read-write IO performance caused by pure adoption of public cloud storage can be solved.
The embodiment of the present application further provides a video management system based on the fog computing architecture, including: the system comprises a client, a video management platform and at least one video management device.
Each branch company is provided with a client on a private network so as to access a video management platform arranged on a public network of a head office, thereby realizing resource sharing of different branch companies. The client on the private network of the branch company communicates with the video management platform on the public network of the head office through the internet. Specifically, a client arranged on a private network analyzes a domain name of the video management platform through the internet and accesses the video management platform.
In addition, each branch company has a video management apparatus provided on a private network to collect and manage local videos. Optionally, the video management apparatus includes a node and at least one video capture component, and the node is electrically connected to the at least one video capture component.
Specifically, the video capture component refers to a CAMERA having a communication function, and may be an IPC (IP CAMERA), and the model is not limited. A node refers to an entity having processing functionality and may be a computer. In the embodiment of the application, the video acquisition part is IPC, and the network architecture adopts a fog computing architecture, and the nodes are fog computing nodes.
And the video acquisition component is used for acquiring a video and sending the video to the node.
The node is used for storing the video collected by the video collecting component, and forwarding the stored video to the video management platform when the time difference between the current time and the collection time of the stored video is determined to be larger than a set time threshold; and when receiving a video calling instruction sent by the video management platform, sending a video to be called corresponding to the video calling instruction.
Specifically, the storage capacity of the node is limited, and only videos within a certain time are stored. The set time threshold may be any value. In the embodiment of the application, the fog calculation node can store 7 × 24 hours of videos at most, the corresponding set time threshold is 7 × 24 hours, the current time is more than 7 × 24 hours compared with the time corresponding to a certain video, and the fog calculation node automatically uploads the video to the video management platform. The video is cached and forwarded by the aid of the fog computing nodes, storage read-write IO performance is improved, and the problem of low read-write IO performance caused by pure adoption of public cloud storage can be solved. The video management platform can call a video to be called stored by the fog computing node, specifically, the video to be called refers to a video that a client wants to call.
In this embodiment, the client and the video management apparatus may or may not be in the same private network. There is provided a possible implementation where, as shown in fig. 4, the client 13-a is on the same private network 1-a as the video managing apparatus 11-a, the client 13-B is on the same private network 1-B as the video managing apparatus 11-B, and the client 13-a is not on the same private network as the video managing apparatus 11-B and the client 13-B is not on the same private network as the video managing apparatus 11-a. The equipment on the private network communicates with the server on the public network through the Internet, and both the client and the video management device can communicate with the video management platform.
The affiliate may invoke local videos or videos of other affiliates by accessing the video management platform. And the client is used for sending a video calling request to the video management platform and displaying a video to be called, wherein the video calling request comprises the acquisition time of the video to be called.
Specifically, the video calling request comprises an IPC number for storing the video to be called, the acquisition time of the video to be called and a domain name of the video management platform. The IPC number for storing the video to be called refers to the ID number of the IPC for collecting the video to be called, the ID number is only required to correspond to the unique IPC, and the specific ID number can be the factory number of the IPC or a number set by a company according to factors such as region, purchase time, application scene, affiliated department and the like.
The video management platform is used for determining whether a time difference value between the current time and the acquisition time of the video to be called is not greater than a set time threshold value or not according to a video calling request sent by a client, if so, acquiring a video management device for storing the video to be called, sending a video calling instruction to the video management device, and sending the received video to be called sent by the video management device to the client, wherein the video calling instruction comprises an address of the client.
In the embodiment of the present application, the video retrieval request further includes an address of the client. The processing procedure of the video management platform will be specifically described below.
In order to improve the efficiency of the video management platform in processing the client demand and retrieving the video, the video management platform 10 optionally includes a video management server 101, a streaming media server 102 and a memory 103, as shown in fig. 5.
Specifically, the memory 103 is public cloud storage with a large storage capacity, the video management server 101 completes connection with the streaming media server 102 in the form of adding a device IP address, the streaming media server 102 is connected with the memory 103, and the streaming media server can read data from the memory and write data to the memory.
In order to realize the function of the video management system, a configuration relationship is to be established in advance, and the specific process is as follows:
the node configures the domain name of the streaming media server 102 as a superior device to register (which is equivalent to sending a domain name resolution request to the streaming media server 102), and then confirms the address of the streaming media server 102 through the domain name resolution service provided by the streaming media server 102 (which is equivalent to that the node receives the domain name configuration sent by the streaming media server 102), and establishes a configuration relationship with the streaming media server 102.
After the node establishes the configuration relationship with the streaming media server 102, the streaming media server 102 triggers the node to search the IP address of the IPC of the local area network, the IPC scans the command correspondingly, and the node adds all the IPCs which complete the interaction to the device list to complete the establishment of the configuration relationship.
The configuration relationship between the nodes and the streaming server 102 and the configuration relationship between the nodes and the IPC are stored in the database of the video management server.
The video management server 101 is configured to receive the video retrieval request, obtain an address of a node storing the video to be retrieved according to the video retrieval request and the configuration relationship table, and send the address and the acquisition time of the video to be retrieved to the streaming media server 102.
In the embodiment of the present application, the video management server 101 extracts the IPC number storing the video to be called from the video calling request, and analyzes the address of the node storing the video to be called according to the configuration relationship of the database. The video management server 101 transmits a video retrieval request to the streaming server 102.
And the streaming media server is used for determining whether the time difference between the current time and the video acquisition time to be called is not greater than a set time threshold, if so, generating the video calling instruction, acquiring a node for storing the video to be called according to the address, sending the video calling instruction to the node, and sending the received video sent by the node to the client.
In the embodiment of the application, when the video management platform judges that the acquisition time of the video to be called is not more than 7 × 24 hours compared with the current acquisition time, it is determined that the video to be called is stored in the corresponding fog calculation node of the video management device. According to the address of the node storing the video to be called, a specific fog calculation node can be determined. In order to accurately call the video to be called, the video calling instruction comprises an IPC number for storing the video to be called, a client address and the acquisition time of the video to be called.
The optional streaming media server 102 is further configured to determine, according to the video retrieval request added to the address of the target node, whether a time difference between the current time and the acquisition time of the video to be retrieved is not greater than a set time threshold, and if not, retrieve the video to be retrieved from the memory and send the video to the client.
In the embodiment of the application, since all videos with a time longer than 7 × 24 hours compared with the current time are stored in the public cloud storage, the streaming media server 102 retrieves the video to be retrieved from the public cloud storage. Specifically, the streaming media server calls the video to be called from the public cloud storage according to the ICP number and the acquisition time of the video to be called.
And the memory is used for storing the video sent by the node when the time difference between the current time and the collection time of the stored video is determined to be greater than a set time threshold.
In the embodiment of the application, the storage refers to public cloud storage, and a large amount of videos can be stored. Specifically, the nodes upload videos which are more than 7 × 24 hours compared with the current time to the public cloud storage, and the access path number of the total cameras of the system and the storage capacity of the system are improved. And the video management device determines whether the address of the client is consistent with the address of the client when receiving a video calling instruction sent by the video management platform, and sends a video to be called to the video management platform if the address of the client is not consistent with the address of the client.
In the embodiment of the application, a fog computing node in a video management device extracts an IP address of a client in a video calling instruction, and when the IP address of the client is judged to be inconsistent with the address of the client, calls a video to be called according to an IPC number, stored in the video calling instruction, of the video to be called and the acquisition time of the video to be called, and forwards the video to be called to a video management platform.
In addition, in response to a case where a branch company wants to call a local video, the video management apparatus transmits a video to be called to a client when the address of the client matches its own address.
In the embodiment of the application, when the fog computing node in the frequency management device determines that the address of the client is consistent with the address of the client, the video to be called is called according to the IPC number of the video to be called stored in the video calling instruction and the acquisition time of the video to be called, and the video to be called is directly sent to the client.
The video management system solves the problems of capacity expansion across wide area networks and system islanding, and realizes resource sharing and unified management of videos acquired by equipment among different local area networks. In addition, the structure of the fog calculation improves the capability of reading IO, shortens the system delay and greatly improves the processing capability of the system.
The embodiment of the present application further provides a video management method based on the fog computing architecture, as shown in fig. 6, including steps S101 to S103, which are specifically as follows:
in the embodiment of the application, an execution main body of the video management method is a video management platform, wherein the video management platform refers to a platform for a head office to uniformly manage videos of various branch offices in a public network.
Step S101, according to a video calling request sent by a client, wherein the video calling request comprises the acquisition time of a video to be called.
In the embodiment of the application, the video retrieval request specifically includes an IPC number for storing the video to be retrieved, the acquisition time of the video to be retrieved, and a domain name of the video management platform.
Step S102, determining whether a time difference value between the current time and the acquisition time of the video to be called is not greater than a set time threshold value, if so, acquiring a video management device for storing the video to be called, and sending a video calling instruction to the video management device, wherein the video calling instruction comprises an address of a client.
Specifically, the set time threshold may be any value, and in the embodiment of the present application, the set time threshold is 7 × 24 hours.
Optionally, the video management apparatus includes a node and at least one video capture component, and the node is electrically connected to the at least one video capture component.
Specifically, the video capture component refers to a CAMERA having a communication function, and may be an IPC (IP CAMERA), and the model is not limited. A node refers to an entity having processing functionality and may be a computer. In the embodiment of the application, the video acquisition part is IPC, and the network architecture adopts a fog computing architecture, and the nodes are fog computing nodes.
The video acquisition component is used for acquiring a video and sending the video to the node;
the node is used for storing the video collected by the video collecting component, and forwarding the stored video to the video management platform when the time difference between the current time and the collection time of the stored video is determined to be larger than a set time threshold; and when receiving a video calling instruction sent by the video management platform, sending a video to be called corresponding to the video calling instruction.
Specifically, the storage capacity of the node is limited, and only videos within a certain time are stored. The set time threshold may be any value. In the embodiment of the application, the fog calculation node can store 7 × 24 hours of videos at most, the corresponding set time threshold is 7 × 24 hours, the current time is more than 7 × 24 hours compared with the time corresponding to a certain video, and the fog calculation node automatically uploads the video to the video management platform. The video is cached and forwarded by the aid of the fog computing nodes, storage read-write IO performance is improved, and the problem of low read-write IO performance caused by pure adoption of public cloud storage can be solved. The video management platform can call a video to be called stored by the fog computing node, specifically, the video to be called refers to a video that a client wants to call.
Optionally, the following method is adopted to determine a fog computing node (video management device) for acquiring and storing the video to be called:
(1) and acquiring the address of the node storing the video to be called according to the video calling request and the configuration relation table.
In order to realize the function of the video management system, a configuration relationship is to be established in advance, and the specific process is as follows:
the node configures the domain name of the video management platform as a superior device for registration, and then confirms the address of the video management platform through the domain name resolution service provided by the video management platform, and establishes a configuration relationship with the video management platform.
After the nodes and the video management platform establish the configuration relationship, the video management platform triggers the nodes to search the IP address of the IPC of the local area network, the IPC scans the command correspondingly, and the nodes add all the IPC which finish the interaction to the equipment list to complete the establishment of the configuration relationship.
The configuration relationship between the nodes and the video management platform and the configuration relationship between the nodes and the IPC are stored in a database of the video management platform.
In the embodiment of the application, the address of the node storing the video to be called can be obtained according to the IPC number storing the video to be called and the configuration relation.
(2) And acquiring the node for storing the video to be called according to the address.
Step S103, sending the received video to be called, which is sent by the video management apparatus when the address of the client is determined to be inconsistent with the address of the client, to the client.
In the embodiment of the application, when the fog computing node of the video management device, which stores the video to be called, judges that the client and the client are not in the same private network, the video to be called is sent to the video management platform in response to the video calling instruction, and the video to be called is sent to the client by the video management platform. And when the fog computing node for storing the video to be called judges that the address of the client is consistent with the address of the cloud computing node, directly sending the video to be called to the client.
Based on the above analysis, compared with the conventional video monitoring system and the method in which the video monitoring system based on the cloud computing architecture can only store local videos in the related art, the method for managing videos provided by the embodiment of the application responds to the call instruction of the video management platform by uploading videos to the video management platform by using the nodes, so that the transmission distance of data is reduced, the delay in data transmission is reduced, and the response speed of the system is improved; the capacity expansion of the wide area network is realized, and then the unified management of the video is realized.
The apparatus, system, and method for performing video management based on a fog computing architecture provided in the embodiments of the present application include a computer-readable storage medium storing program codes, where instructions included in the program codes may be used to execute the method described in the foregoing method embodiments, and specific implementations may refer to the method embodiments and are not described herein again.
The video management device based on the fog computing architecture provided by the embodiment of the application can be specific hardware on the device or software or firmware installed on the device. The device provided by the embodiment of the present application has the same implementation principle and technical effect as the foregoing method embodiments, and for the sake of brief description, reference may be made to the corresponding contents in the foregoing method embodiments where no part of the device embodiments is mentioned. It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the foregoing systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and there may be other divisions when actually implemented, and for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of devices or units through some communication interfaces, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiments of the present application.
In addition, functional units in the embodiments provided in the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus once an item is defined in one figure, it need not be further defined and explained in subsequent figures, and moreover, the terms "first", "second", "third", etc. are used merely to distinguish one description from another and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present application, and are used for illustrating the technical solutions of the present application, but not limiting the same, and the scope of the present application is not limited thereto, and although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope disclosed in the present application; such modifications, changes or substitutions do not depart from the spirit and scope of the present disclosure, which should be construed in light of the above teachings. Are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (8)
1. A video management device based on a fog computing architecture is characterized by comprising a node and at least one video acquisition component, wherein the node is electrically connected with the at least one video acquisition component; the video management device is arranged on a private network; the video management platform is arranged on a public network; the client is arranged on a private network; the client and the video management device are on the same private network or the client and the video management device are not on the same private network;
the video acquisition component is used for acquiring a video and sending the video to the node;
the node is used for storing the video acquired by the video acquisition component, and forwarding the stored video to an external video management platform when the time difference between the current time and the acquisition time of the stored video is determined to be greater than a set time threshold; when a video calling instruction sent by the video management platform is received, if the address of the client is inconsistent with the address of the video management device, sending a video to be called corresponding to the video calling instruction to the video management platform; wherein the video call instruction comprises an address of a client;
and the video management platform is used for sending the received video to be called sent by the video management device to the client.
2. A video management system based on a fog computing architecture, comprising: the system comprises a client, a video management platform and at least one video management device;
the client is used for sending a video calling request to the video management platform and displaying a video to be called, wherein the video calling request comprises the acquisition time of the video to be called;
the video management platform is used for determining whether a time difference value between the current time and the acquisition time of the video to be called is not greater than a set time threshold value or not according to a video calling request sent by a client, if so, acquiring a video management device for storing the video to be called, sending a video calling instruction to the video management device, and sending the received video to be called sent by the video management device to the client, wherein the video calling instruction comprises an address of the client;
the video management device is used for determining whether the address of the client is consistent with the address of the client when receiving a video calling instruction sent by the video management platform, and if not, sending a video to be called to the video management platform;
the video management device comprises a node and at least one video acquisition component, wherein the node is electrically connected with the at least one video acquisition component;
the video management device is arranged on a private network; the video management platform is arranged on a public network; the client is arranged on a private network; the client and the video management device are on the same private network or the client and the video management device are not on the same private network;
the video acquisition component is used for acquiring a video and sending the video to the node;
the node is used for storing the video collected by the video collecting component, and forwarding the stored video to the video management platform when the time difference between the current time and the collection time of the stored video is determined to be larger than a set time threshold; and when a video calling instruction sent by the video management platform is received, sending a video to be called corresponding to the video calling instruction.
3. The system according to claim 2, wherein the video management device is further configured to send the video to be called to the client if it is determined that the address of the client is consistent with the address of the client.
4. The system of claim 2, wherein the video management platform comprises a video management server, a streaming media server, and a memory;
the video management server is used for receiving a video calling request, acquiring an address of a node storing a video to be called according to the video calling request and a configuration relation table, and sending the address and the acquisition time of the video to be called to the streaming media server;
the streaming media server is used for determining whether a time difference value between the current time and the video acquisition time to be called is not greater than a set time threshold value, if so, generating the video calling instruction, acquiring a node for storing the video to be called according to the address, sending the video calling instruction to the node, and sending the received video sent by the node to the client;
the memory is used for storing the video sent by the node when the time difference value between the current time and the collection time of the stored video is determined to be larger than a set time threshold.
5. The system according to claim 4, wherein the streaming media server is further configured to, when it is determined that a time difference between a current time and a time of capturing the video to be called is greater than a set time threshold, call the video to be called from the memory, and send the video to be called to the client.
6. A video management method based on a fog computing architecture is characterized by comprising the following steps: the method comprises the steps that a video calling request is sent according to a client, wherein the video calling request comprises the acquisition time of a video to be called;
determining whether a time difference value between the current time and the acquisition time of the video to be called is not greater than a set time threshold value, if so, acquiring a video management device for storing the video to be called, and sending a video calling instruction to the video management device, wherein the video calling instruction comprises an address of a client;
sending the received video to be called, which is sent by the video management device when the address of the client is determined to be inconsistent with the address of the client, to the client;
the video management device comprises a node and at least one video acquisition component, wherein the node is electrically connected with the at least one video acquisition component;
the video management device is arranged on a private network; the video management platform is arranged on a public network; the client is arranged on a private network; the client and the video management device are on the same private network or the client and the video management device are not on the same private network;
the video acquisition component is used for acquiring a video and sending the video to the node;
the node is used for storing the video collected by the video collecting component, and forwarding the stored video to the video management platform when the time difference between the current time and the collection time of the stored video is determined to be larger than a set time threshold; and when a video calling instruction sent by the video management platform is received, sending a video to be called corresponding to the video calling instruction.
7. The method according to claim 6, wherein when the video management device determines that the address of the client coincides with its own address, the video to be called is sent to the client.
8. The method according to claim 6, wherein the obtaining the video management device storing the video to be called comprises:
acquiring an address of a node storing a video to be called according to the video calling request and a configuration relation table; and acquiring the node for storing the video to be called according to the address.
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