CN111447407A - Monitoring resource transmission method and device - Google Patents

Monitoring resource transmission method and device Download PDF

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Publication number
CN111447407A
CN111447407A CN202010140565.5A CN202010140565A CN111447407A CN 111447407 A CN111447407 A CN 111447407A CN 202010140565 A CN202010140565 A CN 202010140565A CN 111447407 A CN111447407 A CN 111447407A
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China
Prior art keywords
monitoring
video
resource
parameter information
management server
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CN202010140565.5A
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CN111447407B (en
Inventor
方小帅
闫治波
李阔
王艳辉
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Visionvera Information Technology Co Ltd
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Visionvera Information Technology Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/18Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/14Systems for two-way working
    • H04N7/15Conference systems

Abstract

The embodiment of the invention provides a transmission method and a device of monitoring resources, wherein the method comprises the following steps: the monitoring management server acquires video parameter information of preset monitoring resources from the monitoring access server; when the monitoring resource is pushed to the video network terminal, the monitoring management server acquires the decoding capability information of the video network terminal; and the monitoring management server sends the monitoring resource to the video network terminal according to the decoding capability information and the parameter information. The monitoring resources are pushed according to the difference of the decoding capabilities of the video network terminals, so that the purpose of preventing the video network terminals from watching the monitoring resources exceeding the decoding capabilities is achieved.

Description

Monitoring resource transmission method and device
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method and an apparatus for transmitting monitoring resources.
Background
At present, when a user watches a monitoring service by using a video network terminal as a watching party, if the resolution or the coding format of a monitoring video resource requested to be watched and accessed by the user exceeds the decoding capability of the video network terminal, the video network terminal is abnormal in decoding due to overlarge code stream of some monitoring video resources, and a blue screen or a dead halt phenomenon occurs.
Disclosure of Invention
In view of the above problems, embodiments of the present invention are proposed to provide a transmission method of a monitored resource and a corresponding transmission apparatus of a monitored resource, which overcome or at least partially solve the above problems.
In order to solve the above problems, an embodiment of the present invention discloses a transmission method for monitoring resources, which is applied to a monitoring management server, wherein the monitoring management server is connected with a video network terminal and a monitoring access server, and the method includes:
the monitoring management server acquires video parameter information of preset monitoring resources from the monitoring access server; the video parameter information is obtained by analyzing the preset monitoring resource by the monitoring access server;
when the monitoring resource is pushed to the video network terminal, the monitoring management server acquires the decoding capability information of the video network terminal;
and the monitoring management server sends the monitoring resource to the video network terminal according to the decoding capability information and the parameter information.
Optionally, the sending, by the monitoring management server, the monitoring resource to the video networking terminal according to the decoding capability information and the video parameter information includes:
the monitoring management platform judges whether the decoding capability information is matched with the video parameter information;
if the decoding capability information matches the video parameter information, the monitoring management server sends the monitoring resource to the video networking terminal; and the video network terminal is used for playing the monitoring resource.
Optionally, the method further comprises:
if the decoding capability information does not match the video parameter information, the monitoring management server generates prompt information and sends the prompt information to the video networking terminal; and the video network terminal is used for displaying the prompt information on a preset interface.
The embodiment of the invention also discloses a transmission method of the monitoring resources, which is applied to the monitoring access server, the monitoring access server is connected with the monitoring management server, and the method comprises the following steps:
the monitoring access server acquires monitoring resources;
the monitoring access server analyzes the monitoring resource to obtain video parameter information of the monitoring resource;
the monitoring access server sends the video parameter information to the monitoring management server; and the monitoring management server is used for sending the monitoring resource to the video networking terminal according to the video parameter information and the decoding capability information of the video networking terminal when pushing the monitoring resource to the video networking terminal.
Optionally, the acquiring, by the monitoring access server, the monitoring resource includes:
and the monitoring access server acquires the monitoring resources from a preset monitoring resource library according to a preset time interval.
The embodiment of the invention also discloses a transmission device of the monitoring resources, which is applied to a monitoring management server, the monitoring management server is connected with the video network terminal and the monitoring access server, and the device comprises:
the video parameter information acquisition module is used for acquiring video parameter information of preset monitoring resources from the monitoring access server; the video parameter information is obtained by analyzing the preset monitoring resource by the monitoring access server;
the decoding capability information acquisition module is used for acquiring the decoding capability information of the video network terminal when the monitoring resource is pushed to the video network terminal;
and the monitoring resource sending module is used for sending the monitoring resource to the video network terminal according to the decoding capability information and the parameter information.
Optionally, the monitoring resource sending module includes:
the judging submodule is used for judging whether the decoding capability information is matched with the video parameter information;
a monitoring resource sending submodule, configured to send the monitoring resource to the video networking terminal if the decoding capability information matches the video parameter information; the video network terminal is used for playing the monitoring resource;
a prompt message sending submodule, configured to generate a prompt message if the decoding capability information does not match the video parameter information, and send the prompt message to the video networking terminal; and the video network terminal is used for displaying the prompt information on a preset interface.
The embodiment of the invention also discloses a transmission device of the monitoring resources, which is applied to the monitoring access server, the monitoring access server is connected with the monitoring management server, and the device comprises:
the monitoring resource acquisition module is used for acquiring monitoring resources;
the video parameter information acquisition module is used for analyzing the monitoring resources to obtain video parameter information of the monitoring resources;
the video parameter information sending module is used for sending the video parameter information to the monitoring management server; and the monitoring management server is used for sending the monitoring resource to the video networking terminal according to the video parameter information and the decoding capability information of the video networking terminal when pushing the monitoring resource to the video networking terminal.
Optionally, the monitoring resource obtaining module includes:
and the monitoring resource obtaining submodule is used for obtaining the monitoring resources from a preset monitoring resource library according to the preset time interval.
The embodiment of the invention also discloses a transmission device for monitoring resources, which comprises: a processor, a memory and a computer program stored on the memory and capable of running on the processor, the computer program, when executed by the processor, implementing the steps of the method of transmitting a monitoring resource.
The embodiment of the invention also discloses a computer readable storage medium, wherein a computer program is stored on the computer readable storage medium, and the computer program realizes the steps of the transmission method of the monitoring resources when being executed by a processor.
The embodiment of the invention has the following advantages:
the embodiment of the invention can realize the purpose of preventing the video network terminal from watching the monitoring resource which exceeds the decoding capability by judging whether the decoding capability information of the video network terminal is matched with the parameter information of the monitoring resource and pushing the monitoring resource according to the difference of the decoding capability of the video network terminal.
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Fig. 1 is a flowchart illustrating steps of a first embodiment of a method for monitoring resource transmission according to the present invention;
FIG. 2 is a flowchart illustrating steps of a second embodiment of a method for transmitting monitor resources according to the present invention;
fig. 3 is a schematic diagram of an application scenario of a transmission method for monitoring resources according to the present invention;
fig. 4 is a schematic diagram of a second application scenario of a transmission method for monitoring resources according to the present invention;
FIG. 5 is a block diagram of a first embodiment of a transmission apparatus for monitoring resources according to the present invention;
fig. 6 is a block diagram of a second embodiment of a transmission apparatus for monitoring resources according to the present invention;
FIG. 7 is a networking schematic of a video network of the present invention;
FIG. 8 is a diagram of a hardware architecture of a node server according to the present invention;
fig. 9 is a schematic diagram of a hardware structure of an access switch of the present invention;
fig. 10 is a schematic diagram of a hardware structure of an ethernet protocol conversion gateway according to the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The core idea of the embodiment of the invention is to push the monitoring resource according to the difference of the decoding capabilities of the video network terminals by judging whether the decoding capability information of the video network terminals is matched with the parameter information of the monitoring resource, thereby realizing the purpose of preventing the video network terminals from watching the monitoring resource beyond the decoding capability.
It should be noted that, when the user views the monitoring service with the video network terminal as the viewer, the related devices may include a monitoring access service system, a monitoring management platform, a video network terminal, and a video network server.
The monitoring access service system can be used for receiving a monitoring resource request sent by the video network terminal and can be used as a video network server and an intermediate server for communication of the monitoring server; in an actual application scenario, the conference docking service system may be deployed in a computer room, that is, used as a conference docking server to communicate with other devices.
The monitoring management platform can be used for managing the monitoring resources, and can comprise searching and calling the monitoring resources and the like, wherein the method for searching and calling the monitoring resources can be completed by responding to the received request; in an actual application scenario, the monitoring management platform may be deployed in a computer room, that is, used as a monitoring server to communicate with other devices.
In the embodiment of the invention, the video network terminal is a terminal device supporting multiple channels, and the video network terminal can be various set top boxes, PCs and the like.
The video networking server can be a real-time high-speed transmission network based on Ethernet hardware, and can be used for a special network for transmitting high-definition videos and special protocols; and the terminal carries the main service of the video network, sends control signaling to the terminal and responds to some request signaling.
Referring to fig. 1, a flowchart of a first step of a monitoring resource transmission method according to an embodiment of the present invention is shown, where the method is applied to a monitoring management server, and the monitoring management server is connected to a video network terminal and a monitoring access server, and specifically includes the following steps:
step 101, the monitoring management server acquires video parameter information of preset monitoring resources from the monitoring access server; the video parameter information is obtained by analyzing the preset monitoring resource by the monitoring access server;
the monitoring management server is connected with the monitoring access server, so that the monitoring management server can be used for managing the monitoring resources, the monitoring access server can be used for accessing the monitoring resources acquired from the preset monitoring resource library into the video network, and the monitoring management server can acquire the related information of the monitoring resources through the monitoring access server so as to manage the acquired monitoring resources and the related information of the monitoring resources.
In an embodiment of the present invention, since the monitoring management server may obtain the relevant information of the monitoring resource through the monitoring access server, the relevant information may include the monitoring resource and the video parameter information for the monitoring resource; the monitoring access server patrols the monitoring resources of the monitoring resource library, analyzes the monitoring resources while acquiring the monitoring resources to obtain video parameter information representing the resolution and the coding format of the monitoring resources, and reports the monitoring resources and the corresponding video parameter information to the monitoring management server.
102, when the monitoring resource is pushed to the video network terminal, the monitoring management server acquires the decoding capability information of the video network terminal;
in an embodiment of the present invention, the monitoring access server may report the pulled monitoring resource and the video parameter information corresponding to the monitoring resource to the monitoring management server in the process of performing the inspection, because the monitoring management server is connected to the video networking terminal, the monitoring management server may initiate a monitoring service of pushing the monitoring resource received from the monitoring access server to the video networking terminal, and before pushing the monitoring resource to the video networking terminal, the monitoring management server may obtain the decoding capability information for the video networking terminal, so that the monitoring management server determines whether to push the monitoring resource to the video networking terminal by judging whether the decoding capability information of the video networking terminal matches with the video parameter information of the monitoring resource, and according to the judgment result.
It should be noted that, the method for acquiring decoding capability information may be acquired from a preset decoding capability information base through a monitoring management server, and the decoding capability information stored in the decoding capability information base may be information stored after the decoding capability of various types of video network terminals is defined by the monitoring management server; when the monitoring management server initiates a monitoring service for pushing monitoring resources to the video network terminal, the video network terminal does not need to actively send a monitoring service request to the monitoring management server, but the monitoring management server actively sends an instruction for pushing the monitoring resources to the video network terminal, and the video network terminal can know the monitoring resources to be pushed by the monitoring management server after receiving the instruction and can up-convert and call the corresponding monitoring resources through corresponding coordination.
And 103, the monitoring management server sends the monitoring resource to the video network terminal according to the decoding capability information and the parameter information.
In an embodiment of the present invention, after the monitoring management server obtains the video parameter information of the monitoring resource and obtains the decoding capability information of the video networking terminal serving as the monitoring service object, the monitoring management server may determine whether to push the monitoring resource to the video networking terminal according to the video parameter information and the decoding capability information, that is, by determining whether the decoding capability information of the video networking terminal matches with the video parameter information of the monitoring resource, and according to the determination result.
In one embodiment of the present invention, step 103 may comprise the following sub-steps:
in the substep S11, the monitoring management platform determines whether the decoding capability information matches the video parameter information;
in an embodiment of the present invention, after the monitoring management server obtains the video parameter information of the monitoring resource and the decoding capability information of the video networking terminal serving as the monitoring service object, the video parameter information of the monitoring resource is different because the decoding capability information of each type of video networking terminal is different, and the video parameter information may include parameters such as resolution and coding format for the monitoring resource.
Substep S12, if the decoding capability information matches the video parameter information, the monitoring management server sends the monitoring resource to the video network terminal; the video network terminal is used for playing the monitoring resource;
in order to avoid that the resolution or the coding format of the monitoring resource exceeds the decoding capability of the video network terminal, in one case, the monitoring management server may directly send the monitoring resource to the video network terminal when the decoding capability information of the video network terminal is matched with the video parameter information of the monitoring resource, and normally complete the service of pushing the monitoring resource initiated to the monitoring service object, so that the video network terminal can be used to normally play the pushed monitoring resource.
In the substep S13, if the decoding capability information does not match the video parameter information, the monitoring management server generates a prompt message and sends the prompt message to the video network terminal; and the video network terminal is used for displaying the prompt information on a preset interface.
In order to avoid that the resolution or the coding format of the monitoring resource exceeds the decoding capability of the video network terminal, under another condition, under the condition that the decoding capability information of the video network terminal is not matched with the video parameter information of the monitoring resource, the monitoring management server can generate prompt information, wherein the prompt information can prompt that the video network terminal cannot decode the monitoring resource, please replace the video network terminal or change the information of the monitoring resource, and cannot finish the service of pushing the monitoring resource initiated by the monitoring service object; the monitoring resource management server can also send prompt information to the video network terminal so as to avoid the phenomenon that a terminal blue screen or a terminal crashes due to insufficient decoding capability when a user watches monitoring resources through the video network terminal.
According to the transmission method of the monitoring resources, whether the decoding capability information of the video network terminal is matched with the parameter information of the monitoring resources is judged, the monitoring resources are pushed according to the difference of the decoding capabilities of the video network terminal, and the purpose that the video network terminal is prevented from watching the monitoring resources exceeding the decoding capability is achieved.
Referring to fig. 2, a flowchart of a second step of the monitoring resource transmission method embodiment of the present invention is shown, where the method is applied to a monitoring access server, and the monitoring access server is connected to a monitoring management server, and specifically includes the following steps:
step 201, the monitoring access server acquires monitoring resources;
in the process of polling the monitoring resources of the monitoring resource library by the monitoring access server, the monitoring resources can be pulled so that the monitoring access server can analyze the pulled monitoring resources.
In one embodiment of the present invention, the step 201 may include the following sub-steps:
and a substep S21, the monitoring access server obtains the monitoring resource from a preset monitoring resource library according to a preset time interval.
In an embodiment of the present invention, the monitoring access server may pull the monitoring resource in the process of polling the monitoring resource in the monitoring resource library, for example, there are 100 monitoring resources in the monitoring resource library, and the monitoring access server may pull the monitoring resource from the 100 monitoring resources, assuming that the polling time interval of the monitoring access server is 5 seconds, that is, the monitoring access server may pull a certain monitoring resource from the 100 monitoring resources every 5 seconds, so as to analyze the pulled certain monitoring resource to obtain corresponding video parameter information.
Step 202, the monitoring access server analyzes the monitoring resource to obtain video parameter information of the monitoring resource;
in an embodiment of the present invention, after the monitoring access server performs polling to pull the monitoring resource, the monitoring access server may analyze the pulled monitoring resource to obtain video parameter information indicating the resolution and the encoding format of the monitoring resource, so as to report the monitoring resource and the corresponding video parameter information to the monitoring management server.
Step 203, the monitoring access server sends the video parameter information to the monitoring management server; and the monitoring management server is used for sending the monitoring resource to the video networking terminal according to the video parameter information and the decoding capability information of the video networking terminal when pushing the monitoring resource to the video networking terminal.
The monitoring access server is connected with the monitoring management server, the monitoring access server can be used for accessing monitoring resources acquired from a preset monitoring resource library into the video network, the monitoring management server can be used for managing the monitoring resources, and in order to facilitate the monitoring management server to manage the monitoring resources, the monitoring access server can report the monitoring resources and corresponding video parameter information to the monitoring management server so that the monitoring management server can manage the acquired monitoring resources and the video parameter information of the monitoring resources.
In an embodiment of the present invention, since the monitoring access server reports the monitoring resources and the corresponding video parameter information to the monitoring management server, the video parameter information may include parameters such as resolution and encoding format for the monitoring resources; after the monitoring management server obtains the decoding capability information of the monitoring service object after the service of pushing the monitoring resource initiated by the video networking terminal (as the monitoring service object), whether the decoding capability information of the video networking terminal is matched with the video parameter information of the monitoring resource is judged, and whether the monitoring resource is pushed to the video networking terminal is determined according to the judgment result.
The transmission method of the monitoring resource provided by the embodiment of the invention is applied to a monitoring access server, and the monitoring resource management server is used for reporting the monitored resource and video parameter information which is obtained by analyzing and represents resolution and coding format to the monitoring resource management server, so that the monitoring resource management server judges whether the decoding capability information of the video networking terminal is matched with the parameter information of the monitoring resource, and pushes the monitoring resource according to the difference of the decoding capability of the video networking terminal, thereby realizing the purpose of preventing the video networking terminal from watching the monitoring resource which exceeds the decoding capability.
Referring to fig. 3, a schematic diagram of an application scenario of the transmission method for monitoring resources according to the present invention is shown, in which the involved devices may include a monitoring access service system, a monitoring management platform, and a video networking terminal.
As shown in fig. 3, in the application scenario, the monitoring resource is pushed according to the difference of the decoding capabilities of the video networking terminals by using the transmission method of the monitoring resource of the present invention, and a process of preventing the video networking terminals from watching the monitoring resource exceeding the decoding capabilities is implemented as follows:
(1) firstly, when a monitoring access service system inspects monitoring resources, analyzing code streams of the monitoring resources, and obtaining data such as code formats, resolution ratios and the like of the analyzed code streams; (2) the monitoring access service system analyzes the data to obtain a coding format, resolution ratio and the like, and reports the data to the monitoring management platform through a video networking protocol; (3) the monitoring management platform not only has an information base recorded with decoding capability information of each type of video networking terminal, but also has reported analysis data aiming at monitoring resources; (4) when the monitoring management platform pushes the monitoring resources to the video network terminal, the monitoring resources which can be played by the video network terminal can be pushed according to the coding capability of the video network terminal.
In the embodiment of the invention, by adopting the transmission method of the monitoring resource, the monitoring management platform pushes the monitoring resource according to the difference of the decoding capabilities of the video network terminals by judging whether the decoding capability information of the video network terminals is matched with the parameter information of the monitoring resource, so that the monitoring resource which exceeds the decoding capability is prevented from being watched by the video network terminals.
Referring to fig. 4, a schematic diagram of an application scenario two of the transmission method for monitoring resources of the present invention is shown, in the application scenario, the related devices may include an IPC (IP Camera), an NVR (Network video recorder), a monitoring access service system, a monitoring management platform, and a video networking terminal; the IPC and the NVR have monitoring resources with different shooting resolutions and different coding formats, and the two video networking terminals connected to the monitoring access service system have corresponding decoding capabilities, where the decoding capabilities refer to capabilities of terminal equipment hardware for playing videos, such as a capability capable of playing 1080, 2K or 4K at maximum. It should be noted that, the two video network terminals connected to the monitoring access service system may be terminals with the same type and different decoding capabilities, or terminals with the same type and the same decoding capabilities, or terminals with different types and different decoding capabilities, which is not limited in this embodiment of the present invention.
As shown in fig. 4, when the monitoring access service system performs polling, the code stream format and the resolution of the monitoring resources shot by IPC and NVR are detected, and the detection result is reported to the monitoring management platform through the video networking protocol; the monitoring management platform allocates a decoding capability right to each type of video networking terminal, that is, the decoding capability of each type of video networking terminal is defined, for example, the maximum decoding capability of an aurora terminal is 1080 of H.264 or 720 of H.264; when the video network monitoring management platform calls the monitoring resource through the terminal, if the monitoring resource exceeds the decoding capability authority of the video network terminal, the video network monitoring management platform does not initiate a service, and can also prompt that the video network terminal cannot decode the monitoring resource and please replace the video network terminal or change the monitoring resource; and if the monitoring resource is in the decoding capability range of the video network terminal, the video network monitoring management platform normally performs service.
Assuming that the resolution of a monitoring resource pulled from an IPC/NVR by a monitoring access service system during routing inspection is 4k of H.264, the decoding capability of one video network terminal is 1080 of H.264, and the decoding capability of the other video network terminal is 4k of H.264, when a monitoring management platform pushes the monitoring resource with the resolution of H.264 and 4k to the video network terminal, if the decoding capability of the pushed video network terminal is H.264 and 1080, the monitoring management platform judges that the video network terminal cannot decode the monitoring resource, and prompts that the video network terminal cannot decode the monitoring resource on a preset interface of the video network terminal to replace the terminal or change a video source; if the decoding capability of the pushed video network terminal is H.264, 4k, the monitoring management platform judges that the video network terminal can decode the monitoring resource, and the monitoring management platform directly pushes the monitoring resource with the resolution of H.264, 4k to the video network terminal.
In the embodiment of the invention, the monitoring access service system analyzes the monitoring resources and reports the monitoring resources to the monitoring management platform, so that the video network terminal is prevented from playing the monitoring resources beyond the decoding capability of the video network terminal, and the phenomenon that a terminal blue screen or a terminal crashes due to insufficient decoding capability when a user watches the monitoring resources through the video network terminal is avoided.
It should be noted that, for simplicity of description, the method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present invention is not limited by the illustrated order of acts, as some steps may occur in other orders or concurrently in accordance with the embodiments of the present invention. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred and that no particular act is required to implement the invention.
Referring to fig. 5, a block diagram of a first embodiment of a transmission apparatus for monitoring resources according to the present invention is shown, and is applied to a monitoring management server, where the monitoring management server is connected to a video network terminal and a monitoring access server, and specifically includes the following modules:
a video parameter information obtaining module 501, configured to obtain video parameter information of a preset monitoring resource from the monitoring access server; the video parameter information is obtained by analyzing the preset monitoring resource by the monitoring access server;
a decoding capability information obtaining module 502, configured to obtain decoding capability information of the video networking terminal when the monitoring resource is pushed to the video networking terminal;
and a monitoring resource sending module 503, configured to send the monitoring resource to the video network terminal according to the decoding capability information and the parameter information.
In an embodiment of the present invention, the monitoring resource sending module 503 may include the following sub-modules:
the judging submodule is used for judging whether the decoding capability information is matched with the video parameter information;
a monitoring resource sending submodule, configured to send the monitoring resource to the video networking terminal if the decoding capability information matches the video parameter information; and the video network terminal is used for playing the monitoring resource.
In an embodiment of the present invention, the monitoring resource sending module 503 further includes:
a prompt message sending submodule, configured to generate a prompt message if the decoding capability information does not match the video parameter information, and send the prompt message to the video networking terminal; and the video network terminal is used for displaying the prompt information on a preset interface.
Referring to fig. 6, a block diagram of a first embodiment of a transmission apparatus for monitoring resources according to the present invention is shown, and is applied to a monitoring access server, where the monitoring access server is connected to a monitoring management server, and the monitoring access server specifically includes the following modules:
a monitoring resource obtaining module 601, configured to obtain a monitoring resource;
a video parameter information obtaining module 602, configured to analyze the monitoring resource to obtain video parameter information of the monitoring resource;
a video parameter information sending module 603, configured to send the video parameter information to the monitoring management server; and the monitoring management server is used for sending the monitoring resource to the video networking terminal according to the video parameter information and the decoding capability information of the video networking terminal when pushing the monitoring resource to the video networking terminal.
In an embodiment of the present invention, the monitoring resource obtaining module 601 may include the following sub-modules:
and the monitoring resource obtaining submodule is used for obtaining the monitoring resources from a preset monitoring resource library according to the preset time interval.
For the device embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, refer to the partial description of the method embodiment.
The video networking is an important milestone for network development, is a real-time network, can realize high-definition video real-time transmission, and pushes a plurality of internet applications to high-definition video, and high-definition faces each other.
The video networking adopts a real-time high-definition video exchange technology, can integrate required services such as dozens of services of video, voice, pictures, characters, communication, data and the like on a system platform on a network platform, such as high-definition video conference, video monitoring, intelligent monitoring analysis, emergency command, digital broadcast television, delayed television, network teaching, live broadcast, VOD on demand, television mail, Personal Video Recorder (PVR), intranet (self-office) channels, intelligent video broadcast control, information distribution and the like, and realizes high-definition quality video broadcast through a television or a computer.
To better understand the embodiments of the present invention, the following description refers to the internet of view:
some of the technologies applied in the video networking are as follows:
network Technology (Network Technology)
Network technology innovation in video networking has improved over traditional Ethernet (Ethernet) to face the potentially enormous video traffic on the network. Unlike pure network Packet Switching (Packet Switching) or network circuit Switching (circuit Switching), the Packet Switching is adopted by the technology of the video networking to meet the Streaming requirement. The video networking technology has the advantages of flexibility, simplicity and low price of packet switching, and simultaneously has the quality and safety guarantee of circuit switching, thereby realizing the seamless connection of the whole network switching type virtual circuit and the data format.
Switching Technology (Switching Technology)
The video network adopts two advantages of asynchronism and packet switching of the Ethernet, eliminates the defects of the Ethernet on the premise of full compatibility, has end-to-end seamless connection of the whole network, is directly communicated with a user terminal, and directly bears an IP data packet. The user data does not require any format conversion across the entire network. The video networking is a higher-level form of the Ethernet, is a real-time exchange platform, can realize the real-time transmission of the whole-network large-scale high-definition video which cannot be realized by the existing Internet, and pushes a plurality of 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 traditional server, the streaming media transmission of the video networking and unified video platform is established on the basis of connection orientation, the data processing capacity of the video networking and unified video platform is independent of flow and 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 one hundred times compared with that of a traditional server.
Storage Technology (Storage Technology)
The super-high speed storage technology of the unified video platform adopts the most advanced real-time operating system in order to adapt to the media content with super-large capacity and super-large flow, the program information in the server instruction is mapped to the specific hard disk space, the media content is not passed through the server any more, and is directly sent to the user terminal instantly, and the general waiting time of the user is less than 0.2 second. The optimized sector distribution greatly reduces the mechanical motion of the magnetic head track seeking of the hard disk, the resource consumption only accounts for 20% of that of the IP internet of the same grade, but concurrent flow which is 3 times larger 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 network completely eliminates the network security problem troubling the internet structurally by the modes of independent service permission control each time, complete isolation of equipment and user data and the like, generally does not need antivirus programs and firewalls, avoids the attack of hackers and viruses, and provides a structural carefree security network for users.
Service Innovation Technology (Service Innovation Technology)
The unified video platform integrates services and transmission, and is not only automatically connected once whether a single user, a private network user or a network aggregate. The user terminal, the set-top box or the PC are directly connected to the unified video platform to obtain various multimedia video services in various forms. The unified video platform adopts a menu type configuration table mode to replace the traditional complex application programming, can realize complex application by using very few codes, and realizes infinite new service innovation.
Networking of the video network is as follows:
the video network is a centralized control network structure, and the network can be a tree network, a star network, a ring network and the like, but on the basis of the centralized control node, the whole network is controlled by the centralized control node in the network.
As shown in fig. 7, the video network is divided into an access network and a metropolitan network.
The devices of the access network part can be mainly classified into 3 types: node server, access switch, terminal (including various set-top boxes, coding boards, memories, etc.). The node server is connected to an access switch, which may be connected to a plurality of terminals and may be connected to an ethernet network.
The node server is a node which plays a centralized control function in the access network and can control the access switch and the terminal. The node server can be directly connected with the access switch or directly connected with the terminal.
Similarly, devices of the metropolitan network portion may also be classified into 3 types: a metropolitan area server, a node switch and a 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 a node server of the access network part, namely the node server belongs to both the access network part and the metropolitan area network part.
The metropolitan area server is a node which plays a centralized control function in the metropolitan area network and can control a node switch and a node server. The metropolitan area server can be directly connected with the node switch or directly connected with the node server.
Therefore, the whole video network is a network structure with layered centralized control, and the network controlled by the node server and the metropolitan area server can be in various structures such as tree, star and ring.
The access network part can form a unified video platform (the part in the dotted circle), and a plurality of unified video platforms can form a video network; each unified video platform may be interconnected via metropolitan area and wide area video networking.
Video networking device classification
1.1 devices in the video network of the embodiment of the present invention can be mainly classified into 3 types: servers, switches (including ethernet gateways), terminals (including various set-top boxes, code boards, memories, etc.). The video network as a whole can be divided into a metropolitan area network (or national network, global network, etc.) and an access network.
1.2 wherein the devices of the access network part can be mainly classified into 3 types: node servers, access switches (including ethernet gateways), terminals (including various set-top boxes, code boards, memories, etc.).
The specific hardware structure of each access network device is as follows:
a node server:
as shown in fig. 8, the system mainly includes a network interface module 801, a switching engine module 802, a CPU module 803, and a disk array module 804;
the network interface module 801, the CPU module 803, and the disk array module 804 all enter the switching engine module 802; the switching engine module 802 performs an operation of looking up the address table 805 on the incoming packet, thereby obtaining the direction information of the packet; and stores the packet in a queue of the corresponding packet buffer 806 based on the packet's steering information; if the queue of the packet buffer 806 is nearly full, discard; the switching engine module 802 polls all packet buffer queues and forwards if the following conditions are met: 1) the port send buffer is not full; 2) the queue packet counter is greater than zero. The disk array module 804 mainly implements control over the hard disk, including initialization, reading and writing operations on the hard disk; the CPU module 803 is mainly responsible for protocol processing with an access switch and a terminal (not shown in the figure), configuring an address table 805 (including a downlink protocol packet address table, an uplink protocol packet address table and a data packet address table), and configuring the disk array module 804.
The access switch:
as shown in fig. 9, the network interface module (downlink network interface module 901, uplink network interface module 902), the switching engine module 903 and the CPU module 904 are mainly included;
wherein, a packet (uplink data) coming from the downlink network interface module 901 enters the packet detection module 905; the packet detection module 905 detects whether the Destination Address (DA), the Source Address (SA), the packet type, and the packet length of the packet meet requirements, if so, allocates a corresponding stream identifier (stream-id) and enters the switching engine module 903, otherwise, discards the stream identifier; the packet (downstream data) coming from the upstream network interface module 902 enters the switching engine module 903; the data packet coming from the CPU module 904 enters the switching engine module 903; the switching engine module 903 performs an operation of looking up the address table 906 on the incoming packet, thereby obtaining the direction information of the packet; if the packet entering the switching engine module 903 is from the downstream network interface to the upstream network interface, the packet is stored in the queue of the corresponding packet buffer 907 in association with the stream-id; if the queue of the packet buffer 907 is close to full, it is discarded; if the packet entering the switching engine module 903 is not from the downlink network interface to the uplink network interface, the data packet is stored in the queue of the corresponding packet buffer 907 according to the guiding information of the packet; if the queue of the packet buffer 907 is close to full, it is discarded.
The switching engine 903 polls all packet buffer queues in the embodiment of the present invention in two cases:
if the queue is from the downlink network interface to the uplink network interface, the following conditions are met for forwarding: 1) the port send buffer is not full; 2) the queued packet counter is greater than zero; 3) obtaining a token generated by a code rate control module;
if the queue is not from the downlink network interface to the uplink network interface, the following conditions are met for forwarding: 1) the port send buffer is not full; 2) the queue packet counter is greater than zero.
The rate control module 908 is configured by the CPU module 904 and generates tokens for packet buffer queues going to the upstream network interface from all downstream network interfaces at programmable intervals to control the rate of upstream forwarding.
The CPU module 904 is mainly responsible for protocol processing with the node server, configuration of the address table 906, and configuration of the code rate control module 908.
Ethernet protocol conversion gateway
As shown in fig. 10, the system mainly includes a network interface module (a downlink network interface module 1001 and an uplink network interface module 1002), a switching engine module 1003, a CPU module 1004, a packet detection module 1005, a rate control module 1008, an address table 1006, a packet buffer 1007, a MAC adding module 1009, and a MAC deleting module 1010.
Wherein, the data packet coming from the downlink network interface module 1001 enters the packet detection module 1005; the packet detection module 1005 detects whether the ethernet MAC DA, the ethernet MAC SA, the ethernet length or frame type, the video network destination address DA, the video network source address SA, the video network packet type, and the packet length of the packet meet the requirements, and if so, allocates a corresponding stream identifier (stream-id); then, the MAC deleting module 1010 subtracts MAC DA, MAC SA, length orframe type (2byte), and enters a corresponding receiving buffer, otherwise, the MAC deleting module discards the MAC DA, MAC SA, and length orframe type;
the downlink network interface module 1001 detects the transmission buffer of the port, and if there is a packet, acquires the ethernet MAC DA of the corresponding terminal according to the destination address DA of the packet, adds the ethernet MAC DA of the terminal, the MACSA of the ethernet coordination gateway, and the ethernet length or frame type, and transmits the packet.
The other modules in the ethernet protocol gateway function similarly to the access switch.
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 and audio coding and 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 types: node server, node exchanger, 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. Video networking 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 the data packet (such as various protocol packets, multicast data packets, unicast data packets, etc.), there are 256 possibilities at most, the second byte to the sixth byte are metropolitan area network addresses, and the seventh byte and the eighth byte are access network addresses;
the Source Address (SA) is also composed of 8 bytes (byte), defined as the same as the Destination Address (DA);
the reserved byte consists of 2 bytes;
the payload part has different lengths according to different types of datagrams, and is 64 bytes if the datagram is various types of protocol packets, and is 32+1024 or 1056 bytes if the datagram is a unicast packet, of course, the length is not limited to the above 2 types;
the CRC consists of 4 bytes and is calculated in accordance with the standard ethernet CRC algorithm.
2.2 metropolitan area network packet definition
The topology of a metropolitan area network is a graph and there may be 2, or even more than 2, connections between two devices, i.e., there may be more than 2 connections between a node switch and a node server, a node switch and a node switch, and a node switch and a node server. However, the metro network address of the metro network device is unique, and in order to accurately describe the connection relationship between the metro network devices, parameters are introduced in the embodiment of the present invention: a label to uniquely describe a metropolitan area network device.
In this specification, the definition of the label is similar to that of a label of MP L S (Multi-Protocol L abel Switch), and assuming that there are two connections between device a and device B, there are 2 labels for a packet from device a to device B, and there are 2 labels for a packet from device B to device a. the label is divided into an incoming label and an outgoing label, and assuming that the label (incoming label) of a packet entering device a is 0x0000, the label (outgoing label) of the packet leaving device a may become 0x 0001.
As shown in the following table, the data packet of the metro network mainly includes the following parts:
DA SA Reserved label (R) Payload CRC
Namely Destination Address (DA), Source Address (SA), Reserved byte (Reserved), tag, payload (pdu), CRC. The format of the tag may be defined by reference to the following: the tag is 32 bits with the upper 16 bits reserved and only the lower 16 bits used, and its position is between the reserved bytes and payload of the packet.
Based on the characteristics of the video network, one of the core concepts of the embodiment of the invention is provided, and the purpose of preventing the video network terminal from watching the monitoring resource beyond the decoding capability is realized by judging whether the decoding capability information of the video network terminal is matched with the parameter information of the monitoring resource and pushing the monitoring resource according to the difference of the decoding capabilities of the video network terminal.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
As will be appreciated by one skilled in the art, 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 present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) 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 flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams 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 to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal, 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 terminal 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 terminal to cause a series of operational steps to be performed on the computer or other programmable terminal to produce a computer implemented process such that the instructions which execute on the computer or other programmable terminal 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 of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the invention.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The foregoing describes in detail a method and an apparatus for transmitting monitored resources according to the present invention, and a specific example is applied in the present document to explain the principle and the implementation of the present invention, and the description of the foregoing embodiment is only used to help understand the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims (10)

1. A transmission method of monitoring resources is applied to a monitoring management server, the monitoring management server is connected with a video network terminal and a monitoring access server, and the method comprises the following steps:
the monitoring management server acquires video parameter information of preset monitoring resources from the monitoring access server; the video parameter information is obtained by analyzing the preset monitoring resource by the monitoring access server;
when the monitoring resource is pushed to the video network terminal, the monitoring management server acquires the decoding capability information of the video network terminal;
and the monitoring management server sends the monitoring resource to the video network terminal according to the decoding capability information and the parameter information.
2. The method according to claim 1, wherein the monitoring management server sends the monitoring resource to the video network terminal according to the decoding capability information and the video parameter information, and comprises:
the monitoring management platform judges whether the decoding capability information is matched with the video parameter information;
if the decoding capability information matches the video parameter information, the monitoring management server sends the monitoring resource to the video networking terminal; and the video network terminal is used for playing the monitoring resource.
3. The method of claim 2, further comprising:
if the decoding capability information does not match the video parameter information, the monitoring management server generates prompt information and sends the prompt information to the video networking terminal; and the video network terminal is used for displaying the prompt information on a preset interface.
4. A transmission method of monitoring resources is applied to a monitoring access server, wherein the monitoring access server is connected with a monitoring management server, and the method comprises the following steps:
the monitoring access server acquires monitoring resources;
the monitoring access server analyzes the monitoring resource to obtain video parameter information of the monitoring resource;
the monitoring access server sends the video parameter information to the monitoring management server; and the monitoring management server is used for sending the monitoring resource to the video networking terminal according to the video parameter information and the decoding capability information of the video networking terminal when pushing the monitoring resource to the video networking terminal.
5. The method of claim 4, wherein the monitoring access server obtains monitoring resources, comprising:
and the monitoring access server acquires the monitoring resources from a preset monitoring resource library according to a preset time interval.
6. A transmission device for monitoring resources is applied to a monitoring management server, the monitoring management server is connected with a video network terminal and a monitoring access server, and the device comprises:
the video parameter information acquisition module is used for acquiring video parameter information of preset monitoring resources from the monitoring access server; the video parameter information is obtained by analyzing the preset monitoring resource by the monitoring access server;
the decoding capability information acquisition module is used for acquiring the decoding capability information of the video network terminal when the monitoring resource is pushed to the video network terminal;
and the monitoring resource sending module is used for sending the monitoring resource to the video network terminal according to the decoding capability information and the parameter information.
7. The apparatus of claim 6, wherein the monitoring resource sending module comprises:
the judging submodule is used for judging whether the decoding capability information is matched with the video parameter information;
a monitoring resource sending submodule, configured to send the monitoring resource to the video networking terminal if the decoding capability information matches the video parameter information; and the video network terminal is used for playing the monitoring resource.
8. A transmission device for monitoring resources is applied to a monitoring access server, the monitoring access server is connected with a monitoring management server, and the device comprises:
the monitoring resource acquisition module is used for acquiring monitoring resources;
the video parameter information acquisition module is used for analyzing the monitoring resources to obtain video parameter information of the monitoring resources;
the video parameter information sending module is used for sending the video parameter information to the monitoring management server; and the monitoring management server is used for sending the monitoring resource to the video networking terminal according to the video parameter information and the decoding capability information of the video networking terminal when pushing the monitoring resource to the video networking terminal.
9. A transmission apparatus for monitoring resources, comprising:
one or more processors; and
one or more machine-readable media having instructions stored thereon that, when executed by the one or more processors, cause the apparatus to perform the method of transmitting of monitoring resources of one or more of claims 1-3 or claims 4-5.
10. A computer-readable storage medium, characterized in that it stores a computer program that causes a processor to execute the method of transmission of a monitoring resource according to any of claims 1 to 3 or claims 4 to 5.
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