CN111131751B - Information display method, device and system for video network conference - Google Patents

Information display method, device and system for video network conference Download PDF

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Publication number
CN111131751B
CN111131751B CN201911350129.4A CN201911350129A CN111131751B CN 111131751 B CN111131751 B CN 111131751B CN 201911350129 A CN201911350129 A CN 201911350129A CN 111131751 B CN111131751 B CN 111131751B
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video
terminal
conference
network
information
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CN111131751A (en
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焦克新
安君超
韩杰
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
    • H04N7/14Systems for two-way working
    • H04N7/15Conference systems

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Abstract

The embodiment of the invention provides an information display method and system for a video networking conference, which comprises the following steps: the video network server respectively acquires video stream data from each video network meeting place terminal; the method comprises the steps that a video network server receives a scheduling request sent by a video network scheduling terminal; the video networking server determines a target video networking conference terminal from a plurality of video networking conference terminals according to the scheduling request; the video network server acquires target video stream data from video stream data of a target video network meeting place terminal and sends the target video stream data to a video network meeting analysis terminal which has accessed into a meeting in advance; the video network server receives participant information which is returned by the video network conference analysis terminal and generated according to target video stream data; and the video network server sends the information of the participants to a video network scheduling terminal. Therefore, the conference dispatcher can know the information of the participants participating in the conference in each meeting place in real time.

Description

Information display method, device and system for video network conference
Technical Field
The invention relates to the technical field of video networking, in particular to an information display method and an information display system for a video networking conference.
Background
The video networking is a real-time network, can realize the real-time transmission of full network high definition video, pushes numerous internet applications to high definition video, realizes that high definition is face to face.
Video network video conference refers to two or more individuals or groups in different places, and the audio, video and file data are transmitted to each other through a transmission line and video network equipment, so that real-time interactive communication is realized.
The personnel information of the current video networking conference acquires and displays the personnel information, and for example, the current mode of counting the number of participants of the video networking conference is to count the number of participants by manually inputting the number of participants when the conference stop is indicated through a Pamier interface.
Disclosure of Invention
In view of the above problems, embodiments of the present invention are provided to provide an information display method for a video conference and an information display system for a video conference, which overcome or at least partially solve the above problems.
In order to solve the problems, the embodiment of the invention discloses an information display method of a video network conference, which is applied to a video network conference system, wherein the video network conference system comprises a video network server, a video network analysis terminal, a video network scheduling terminal and a plurality of video network conference place terminals; the method comprises the following steps:
the video network server respectively acquires video stream data from each video network meeting place terminal; the video stream data is meeting place environment data collected by the video network meeting place terminal;
the video network server receives a scheduling request sent by the video network scheduling terminal;
the video network server determines a target video network meeting place terminal from the plurality of video network meeting place terminals aiming at the scheduling request;
the video networking server acquires target video streaming data from video streaming data of the target video networking conference site terminal and sends the target video streaming data to the video networking conference analysis terminal which has entered a conference in advance;
the video network server receives participant information which is returned by the video network conference analysis terminal and generated according to the target video stream data;
and the video network server sends the information of the participants to the video network scheduling terminal.
Optionally, the scheduling request includes a sampling duration and identification information of the terminal of the video networking conference room; the video network server acquires target video stream data from the video stream data of the target video network conference site terminal and sends the target video stream data to the video network conference analysis terminal which has entered a conference in advance, and the method comprises the following steps:
the video network server determines the sampling sequence of the target video network meeting place terminal by adopting the identification information;
and the video networking server sequentially acquires target video streaming data from the video streaming data of the target video networking conference site terminal according to the sampling sequence and the sampling duration, and sends the target video streaming data to the video networking conference analysis terminal.
The embodiment of the invention also discloses an information display system of the video networking conference, which comprises the following steps: the system comprises a video networking server, a video networking conference analysis terminal, a video networking scheduling terminal and a plurality of video networking conference site terminals;
the video network scheduling terminal is used for sending a scheduling request to the video network server and displaying the participant information of each video network meeting place terminal sent by the video network server;
the video network server is used for respectively acquiring video stream data from each video network meeting place terminal; the video stream data are meeting place environment data collected by the video networking meeting place terminals, when a scheduling request sent by the video networking meeting place terminals is received, target video networking meeting place terminals are determined from the plurality of video networking meeting place terminals, and the video stream data of the target video networking meeting place terminals are obtained and then sent to the video networking conference analysis terminals which have entered meetings in advance; and generating participant information according to the target video stream data, which is returned by the video networking conference analysis terminal, and sending the participant information to the video networking scheduling terminal.
Optionally, the video networking conference analysis terminal is pre-assigned with a video networking virtual number;
and the video networking scheduling terminal is used for adding the video networking virtual number of the video networking conference analysis terminal into a conference list to pull the video networking conference analysis terminal into a conference.
Optionally, a conference analysis system is deployed on the video network analysis terminal; the video network conference analysis terminal is specifically used for converting target video stream data into picture information through the conference analysis system when the target video stream data sent by the video network server are received, carrying out face detection on the picture information, and determining the information of participants.
Optionally, the video networking conference analysis terminal is further configured to, after determining participant information, bind the participant information and identification information of a corresponding video networking conference place terminal, and send the bound participant information and the identification information to the video networking server.
Optionally, a conference list is maintained in the video network scheduling terminal, and the conference list includes a conference analysis option;
the video network scheduling terminal is also used for judging whether trigger information aiming at the conference analysis option is received or not when meeting place analysis service is started;
and if so, acquiring the participant information of the video network conference corresponding to the conference analysis option, and displaying.
The embodiment of the invention also discloses an information display device of the video networking conference, which is applied to a video networking conference system, wherein the video networking conference system comprises a video networking server, a video networking analysis terminal, a video networking scheduling terminal and a plurality of video networking conference place terminals; the device comprises:
the video stream data acquisition module is used for the video networking server to respectively acquire video stream data from each video networking meeting place terminal; the video stream data is meeting place environment data collected by the video network meeting place terminal;
the scheduling request receiving module is used for the video networking server to receive the scheduling request sent by the video networking scheduling terminal;
a target video networking conference terminal determining module, configured to determine, by the video networking server, a target video networking conference terminal from the multiple video networking conference terminals for the scheduling request;
the target video stream data acquisition module is used for acquiring target video stream data from video stream data of the target video network meeting place terminal by the video network server and sending the target video stream data to the video network meeting analysis terminal which has accessed a meeting in advance;
the conference participant information receiving module is used for receiving conference participant information which is returned by the video networking conference analysis terminal and is generated according to the target video stream data by the video networking server;
and the participant information sending module is used for sending the participant information to the video network scheduling terminal by the video network server.
Optionally, the scheduling request includes a sampling duration and identification information of the terminal of the video networking conference place; the target video stream data acquisition module comprises:
a sampling sequence determining submodule, configured to determine, by the video networking server, a sampling sequence of the target video networking conference site terminal by using the identification information;
and the target video stream data acquisition submodule is used for the video network server to sequentially acquire target video stream data from the video stream data of the target video network conference site terminal according to the sampling sequence and the sampling duration, and to send the target video stream data to the video network conference analysis terminal which has entered into a conference in advance.
The embodiment of the invention also discloses an information display device of the video networking conference, which comprises:
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 one or more methods of information presentation for video conferencing sessions as described above.
The embodiment of the invention also discloses a computer readable storage medium, and a stored computer program enables a processor to execute the information display method of the video network conference.
The embodiment of the invention has the following advantages:
the embodiment of the invention introduces the analysis terminal into the video networking conference to carry out face detection on the video stream from each conference place terminal so as to determine the information of the participants of each branch conference place, and sends the information of the participants to the scheduling terminal for displaying, so that the conference scheduling personnel can know the information of the participants participating in the conference in each conference place in real time.
Drawings
FIG. 1 is a flowchart illustrating the steps of an embodiment of a method for displaying information of a video conference;
FIG. 2 is a block diagram of an embodiment of an information presentation system for video conferencing in accordance with the present invention;
FIG. 3 is a block diagram of a video conferencing system of the present invention;
FIG. 4 is a block diagram of an embodiment of an information display device for video conference;
FIG. 5 is a schematic diagram of a video networking of the present invention;
FIG. 6 is a schematic diagram of a hardware architecture of a node server according to the present invention;
fig. 7 is a schematic diagram of a hardware structure of an access switch of the present invention;
fig. 8 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 more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description thereof.
The core concept of the embodiment of the invention is that a video networking conference analysis terminal is introduced into a video networking conference system, and the conference site environment data collected by the video networking conference site terminal is subjected to face detection through a conference analysis system arranged on the video networking conference analysis terminal so as to obtain the participant information of the conference site, and the participant information is sent to a video networking scheduling terminal for displaying.
Referring to fig. 1, a flowchart of steps of an embodiment of an information displaying method for a video network conference according to the present invention is shown, and the method can be applied to a video network conference system, where the video network conference system includes a video network server, a video network analyzing terminal, a video network scheduling terminal, and a plurality of video network conference site terminals; the method specifically comprises the following steps:
step 101, the video network server respectively obtains video stream data from each video network meeting place terminal; the video stream data is meeting place environment data collected by the video network meeting place terminal;
in the embodiment of the invention, the video network server receives the video stream data uploaded by the video network conference site terminal in real time. The video stream data is the meeting place environment data collected by the video networking meeting place terminal in real time.
102, the video network server receives a scheduling request sent by the video network scheduling terminal;
the scheduling terminal of the video network is used for hosting the video network conference, and the conference can be controlled by inputting a corresponding instruction on a Pamil interface of the scheduling terminal of the video network, and specifically, the scheduling terminal of the video network can manage the participant terminals and control the speaking objects and the like.
The video network scheduling terminal can issue a scheduling request to the video network server according to actual needs so as to control interaction behaviors between the video network server and other equipment.
103, aiming at the scheduling request, the video network server determines a target video network terminal from the plurality of video network meeting place terminals;
when the conference analysis mode is opened on the Pamil interface of the video networking scheduling terminal, all or part of the conference places can be selected according to the requirement, and the video streaming data collected by the video networking conference place terminal of the selected conference place is analyzed.
104, the video network server acquires target video stream data from the video stream data of the target video network conference site terminal and sends the target video stream data to the video network conference analysis terminal which has entered into a conference in advance;
the video networking conference analysis terminal is a virtual terminal with a corresponding video networking terminal number, can be accessed into a video networking conference system, and analyzes data transmitted by a video networking server.
In one example, a virtual internet of view number of the internet of view analysis terminal may be added to the conference list through the pamier interface and the internet of view analysis terminal may be tagged.
In the embodiment of the invention, the video network server can acquire the target video stream data from the video stream data according to the scheduling request, and send the target video stream data to the video network conference analysis terminal for data analysis.
In this embodiment of the present invention, the scheduling request may further include a sampling duration and identification information of the terminal in the video networking conference, and the step of the video networking server acquiring target video stream data from the video stream data for the scheduling request and sending the target video stream data to the video networking conference analysis terminal may include:
s11, the video network server adopts the identification information to determine the sampling sequence of the video network meeting place terminal;
in practical application, the video network scheduling terminal can select a meeting place needing the statistical personnel information, add the identification information (such as the video network terminal number) of the video network meeting place terminal of the meeting place into the scheduling request, and send the scheduling request to the video network server. After receiving the scheduling request, the video network server can analyze the scheduling request to obtain the identification information of the video network terminals, and determine the sampling sequence of the video network conference terminals according to the identification information of the video network conference terminals, so as to obtain video stream data from the video network conference terminals in sequence according to the sampling sequence.
And S12, the video network server sequentially obtains a target video stream from the video stream data according to the sampling sequence and the sampling duration, and sends the target video stream to the video network conference analysis terminal.
In the case of many participating sites, the total amount of data uploaded to the video network server by all sites will be large, and in this case, if the video network processes all data, a large load will be imposed on the video network server. Therefore, in the embodiment of the present invention, the sampling duration may be set, and the sampling duration may be set according to actual conditions (for example, 2s,3s,5s, 8s), which is not particularly limited by the present invention. And intercepting part of video stream data in real time from the video stream data according to the sampling time length for processing.
105, the video network server receives participant information which is returned by the video network conference analysis terminal and generated according to the target video stream data;
in the embodiment of the invention, the participant information can comprise participant number information and participant identity information.
In the embodiment of the invention, the video network conference analysis terminal can convert the received target video stream data into the picture information through the conference analysis system, and carry out face detection on the obtained picture information through the conference analysis system to determine the information of the participants and send the information of the participants to the video network server.
In the specific implementation, after receiving video stream data, the video networking conference analysis terminal firstly performs video decoding on the video stream data through the conference analysis system, and decodes the video stream data in the H264 format into the YUV420P format; and encoding the data in the YUV420P format into the JPG format, wherein the conversion is used for compressing the image, and the data of the image can be reduced to one tenth of the original data. After converting the video stream data into the JPG picture, the conference analysis system can send the JPG picture into a face detection system (such as an NCNN neural network, which is a highly optimized high-performance neural network forward computing frame) for inference detection, so as to obtain a face detection result; and the information of the participants is counted according to the face detection result, and the information of the participants is sent to the video network server.
In one example, since the conference places can be multiple, in order to avoid the error of correspondence between the conference places and the corresponding participant information, the video networking conference analysis terminal can bind the terminal numbers of the video networking conference place terminals used by the participant information and the conference places of each conference place, and send the bound participant information and the conference place terminal numbers to the video networking server together.
And 106, the video network server sends the participant information to the video network scheduling terminal.
After receiving the information of the participants, the video network server can send the information of the participants to the video network scheduling terminal for displaying the information of the participants, so that the conference scheduling staff can know the conditions of the participants in each conference place conveniently.
The embodiment of the invention introduces the analysis terminal in the video networking conference to carry out face detection on the video stream from each conference place terminal so as to determine the information of the participants in each conference place, and sends the participants to the scheduling terminal for displaying, so that the conference scheduling personnel can know the information of the participants in each conference place in real time.
Referring to fig. 2, a block diagram of an embodiment of the information presentation system for video networking conferences according to the present invention is shown; the method comprises the following steps: the system comprises a video network server 201, a video network conference analysis terminal 202, a video network scheduling terminal 203 and a plurality of video network conference site terminals 204;
in the embodiment of the present invention, the video network scheduling terminal 203 is configured to send a scheduling request to the video network server 201, and display participant information of each video network venue terminal 204 sent by the video network server 203.
A video network server 201, configured to obtain video stream data from each video network conference terminal 204; the video stream data is meeting place environment data collected by the video networking meeting place terminal 204, when a scheduling request sent by the video networking scheduling terminal 203 is received, the video networking server 201 can determine a target video networking meeting place terminal from the plurality of video networking meeting place terminals 204, acquire video stream data of the target video networking meeting place terminal and send the video stream data to the video networking conference analysis terminal 202 which has entered into a meeting in advance; and sending the information of the participants generated according to the target video stream data and returned by the video network conference analysis terminal 202 to the video network scheduling terminal 203.
In an embodiment of the present invention, the video networking conference analysis terminal 202 is pre-assigned with a video networking virtual number;
the video networking scheduling terminal 203 is further configured to add the video networking virtual number of the video networking conference analysis terminal 202 to a conference list, so as to pull the video networking conference analysis terminal 202 into a conference.
In the embodiment of the present invention, a conference analysis system is deployed on the video networking conference analysis terminal 202; the video network conference analysis terminal 202 is specifically configured to, when target video stream data sent by the video network server 201 is received, convert the target video stream data into picture information through the conference analysis system, perform face detection on the picture information, and determine participant information.
In the embodiment of the present invention, when the video network conference analysis terminal 202 receives the target video stream sent by the video network server 201, the target video stream may be converted into picture information by the conference analysis system.
In one example, the conference analysis system may decode the H264 format target video stream into YUV420 format, and then encode the YUV420 format data into a picture in JPG picture format.
After the picture information is obtained, the video networking conference analysis terminal 202 may perform face detection on the picture information to determine the information of the participants.
In one example, the conference analysis system may input the JPG picture into the NCNN neural network for inference detection, obtain a face detection result, and determine participant information from the face detection result.
After the information of the participants is determined, the information of the participants can be sent to the video network server 201, and the video network server 201 sends the information of the participants to the video network scheduling terminal 203 for displaying.
In this embodiment of the present invention, the video networking conference analysis terminal 202 is further configured to, after determining the information of the participant, bind the information of the participant and the identification information of the corresponding video networking conference place terminal 203, and send the bound information of the participant and the identification information to the video networking server 201.
In the embodiment of the present invention, since there are multiple meeting places, in order to avoid a mistake in correspondence between a meeting place and corresponding participant information, the video networking conference analysis terminal 202 may bind the terminal number of the video networking meeting place terminal 203 used in the participant information meeting place of each meeting place, and send the bound participant information and the meeting place terminal number to the video networking server 201 together.
In one example, the video networking conference analysis terminal 202 may further send the face detection time, the conference ID, and the detected current picture path to the video networking server for storage, and display through the video networking scheduling terminal 203.
Referring to fig. 3, there is shown a block diagram of a video networking conferencing system of the present invention.
As shown in the figure, the video networking conference system comprises a video networking server, a Pamir terminal (video networking scheduling terminal) communicated with the video networking server, at least one video networking conference site terminal and a video networking conference analysis terminal deployed with a conference analysis system (which can be a face detection system).
Each meeting place has a meeting place terminal, and the video network meeting place terminal can adopt image acquisition equipment to acquire the environmental data of the meeting place, convert the acquired environmental data into video stream and send the video stream to the video network server of the data exchange center.
The pamier terminal (which can comprise a mobile phone, an iPad and a notebook computer) of the data display center can display the participant information of the terminal of the conference hall in real time.
A conference analysis system of the algorithm processing center can analyze the video stream collected by the conference place terminal to obtain the information of the participants.
The video network server of the data switching center (the video network server can comprise a 2K server, an autonomous server and a meeting management server) is connected with the Pamier scheduling terminal, and the meeting analysis system (connected with the video network server through the terminal number of the virtual video network terminal) and the meeting field terminal are deployed on the virtual video network terminal so as to realize data exchange among the terminals.
In one example, in the process of a conference, a conference terminal collects environmental data of a conference site in real time and sends the environmental data to a video networking server in the form of video streams, and when a pamil scheduling terminal sends a scheduling request to the video networking server, the video networking server can select video streams with preset duration from the obtained video streams according to the scheduling request and send the video streams with preset duration to a conference analysis system for analysis. The conference analysis system acquires the information of the participants from the video stream and sends the information to the Pamier terminal for displaying through the video networking server.
The embodiment of the invention introduces the analysis terminal in the video networking conference to carry out face detection on the video stream from each conference place terminal so as to determine the information of the participants of each sub-conference place, and sends the information of the participants to the scheduling terminal for displaying, so that the conference scheduling personnel can know the information of the participants participating in the conference in each conference place in real time.
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. 4, a block diagram of an embodiment of the information display apparatus for video networking conference of the present invention is shown, and is applied to a video networking conference system, where the video networking conference system includes a video networking server, a video networking analysis terminal, a video networking scheduling terminal, and a plurality of video networking conference site terminals; the method specifically comprises the following modules:
a video stream data obtaining module 401, configured to the video networking server obtain video stream data from each video networking conference terminal respectively; the video stream data is meeting place environment data collected by the video network meeting place terminal;
a scheduling request receiving module 402, configured to receive, by the video networking server, a scheduling request sent by the video networking scheduling terminal;
a target video networking conference terminal determining module 403, configured to determine, by the video networking server, a target video networking conference terminal from the multiple video networking conference terminals according to the scheduling request;
a target video stream data sending module 404, configured to the video networking server obtain target video stream data from video stream data of the target video networking conference site terminal, and send the target video stream data to the video networking conference analysis terminal entering a conference in advance;
a participant information receiving module 405, configured to receive, by the video network server, participant information generated according to the target video stream data and returned by the video network conference analysis terminal;
and a participant information sending module 406, configured to send the participant information to the video networking scheduling terminal by the video networking server.
In the embodiment of the invention, the scheduling request comprises sampling duration and identification information of the video network meeting place terminal; the video stream data acquisition module comprises:
a sampling sequence determining submodule, configured to determine, by the video networking server, a sampling sequence of the target video networking conference site terminal by using the identification information;
and the target video stream data acquisition submodule is used for the video network server to sequentially acquire a target video stream from the video stream data of the target video network conference site terminal according to the sampling sequence and the sampling duration and send the target video stream to the video network analysis terminal.
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 memory 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 instantly and directly sent to the user terminal, and the user waiting time 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. 5, the view network is divided into two parts, 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 on the metro network part can 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.
Visio 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. 6, the system mainly includes a network interface module 601, a switching engine module 602, a CPU module 603, and a disk array module 604;
the packets coming from the network interface module 601, the cpu module 603 and the disk array module 604 all enter the switching engine module 602; the switching engine module 602 performs an operation of looking up the address table 605 on the incoming packet, thereby obtaining the direction information of the packet; and stores the packet into the corresponding queue of the packet buffer 606 according to the packet's steering information; if the queue of the packet buffer 606 is nearly full, it is discarded; the switching engine module 602 polls all packet buffer queues for forwarding 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 604 mainly implements control over the hard disk, including initialization, read-write, and other operations of the hard disk; the CPU module 603 is mainly responsible for protocol processing with an access switch and a terminal (not shown in the figure), configuring an address table 605 (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 604.
The access switch:
as shown in fig. 7, the network interface module mainly includes a network interface module (a downlink network interface module 701, an uplink network interface module 702), a switching engine module 703 and a CPU module 704;
wherein, the packet (uplink data) coming from the downlink network interface module 701 enters the packet detection module 705; the packet detection module 705 detects whether the Destination Address (DA), the Source Address (SA), the packet type, and the packet length of the packet meet the requirements, if so, allocates a corresponding stream identifier (stream-id) and enters the switch engine module 703, otherwise, discards the stream identifier; the packet (downstream data) coming from the upstream network interface module 702 enters the switching engine module 703; the incoming data packet from the CPU module 704 enters the switching engine module 703; the switching engine module 1103 performs an operation of looking up the address table 706 on the incoming packet, thereby obtaining the direction information of the packet; if the packet entering the switching engine module 703 is from the downstream network interface to the upstream network interface, the packet is stored in the queue of the corresponding packet buffer 707 in association with the stream identifier (stream-id); if the queue of the packet buffer 707 is close to full, discard; if the packet entering the switching engine module 703 does not go from the downlink network interface to the uplink network interface, the packet is stored in the queue of the corresponding packet buffer 707 according to the packet steering information; if the queue of the packet buffer 707 is close to full, it is discarded.
The switching engine module 703 polls all packet buffer queues, which in this embodiment of the present invention is divided into 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 708 is configured by the CPU module 704 to generate tokens for packet buffer queues going to the upstream network interface for all downstream network interfaces at programmable intervals to control the rate of upstream forwarding.
The CPU module 704 is mainly responsible for protocol processing with the node server, configuration of the address table 706, and configuration of the code rate control module 708.
Ethernet protocol conversion gateway
As shown in fig. 8, the apparatus mainly includes a network interface module (a downlink network interface module 801, an uplink network interface module 802), a switch engine module 803, a CPU module 804, a packet detection module 805, a rate control module 808, an address table 806, a packet buffer 807, a MAC adding module 809, and a MAC deleting module 810.
Wherein, the data packet coming from the downlink network interface module 801 enters the packet detection module 805; the packet detection module 805 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 810 subtracts MAC DA, MAC SA, length or frame type (2 byte), and enters the corresponding receiving buffer, otherwise, discards it;
the downlink network interface module 801 detects the sending buffer of the port, and if there is a packet, obtains 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 MAC SA of the ethernet protocol gateway, and the ethernet length or frame type, and sends 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 byte, 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);
reserved bytes consist of 2 bytes;
the payload part has different lengths according to the types of different datagrams, 64 bytes if various protocol packets, 32+1024=1056 bytes if single-multicast data packets, and certainly 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 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 the Label of MPLS (Multi-Protocol Label Switch), and assuming that there are two connections between the device a and the device B, there are 2 labels for the packet from the device a to the device B, and 2 labels for the packet from the device B to the device a. The label is divided into an in label and an out label, and assuming that the label (in label) of the data packet entering the device a is 0x0000, the label (out label) of the data packet leaving the device a may become 0x0001. The network access process of the metro network is a network access process under centralized control, that is, address allocation and label allocation of the metro network are both dominated by the metro server, and the node switch and the node server are both passively executed, which is different from label allocation of MPLS, and label allocation of MPLS is a result of mutual negotiation between the switch and the server.
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, which is located between the reserved bytes and the payload of the packet.
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 of skill 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 so forth) having computer-usable program code embodied therein.
Embodiments of the present invention are described with reference to flowchart illustrations and/or block diagrams of methods, terminal devices (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing terminal 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 a … …" does not exclude the presence of another identical element in a process, method, article, or terminal apparatus that comprises the element.
The information display method of the video networking conference and the information display system of the video networking conference provided by the invention are introduced in detail, a specific example is applied in the text to explain the principle and the implementation mode of the invention, and the description of the embodiment is only used for helping to understand the method and the core idea of the 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 (8)

1. The information display method of the video networking conference is characterized by being applied to a video networking conference system, wherein the video networking conference system comprises a video networking server, a video networking conference analysis terminal, a video networking scheduling terminal and a plurality of video networking conference site terminals; the video network conference analysis terminal is provided with a conference analysis system, and the method comprises the following steps:
the video networking server respectively acquires video streaming data from each video networking meeting place terminal; the video stream data is meeting place environment data collected by the video network meeting place terminal;
the video network server receives a scheduling request sent by the video network scheduling terminal, wherein the scheduling request comprises sampling duration and identification information of the video network meeting place terminal;
the video network server determines a target video network meeting place terminal from the plurality of video network meeting place terminals aiming at the scheduling request;
the video network server adopts the identification information to determine the sampling sequence of the target video network meeting place terminal;
the video network server sequentially obtains target video stream data from the video stream data of the target video network meeting place terminal according to the sampling sequence and the sampling duration, and sends the target video stream data to the video network conference analysis terminal;
the video networking server receives participant information of a meeting place corresponding to the target video networking meeting place terminal, which is returned by the video networking meeting analysis terminal and generated according to the target video streaming data; the video network conference analysis terminal is used for converting target video stream data into picture information through the conference analysis system when the target video stream data sent by the video network server are received, carrying out face detection on the picture information and determining participant information, wherein the participant information comprises participant number information;
and the video network server sends the information of the participants to the video network scheduling terminal.
2. An information presentation system for video conference, comprising: the system comprises a video networking server, a video networking conference analysis terminal, a video networking scheduling terminal and a plurality of video networking conference site terminals; a conference analysis system is deployed on the video networking conference analysis terminal;
the video network scheduling terminal is used for sending a scheduling request to the video network server and displaying the participant information of each video network conference terminal sent by the video network server, wherein the scheduling request comprises sampling duration and identification information of the video network conference terminal;
the video network server is used for respectively acquiring video stream data from each video network meeting place terminal; the video stream data are meeting place environment data collected by the video networking meeting place terminals, when a scheduling request sent by the video networking scheduling terminal is received, a target video networking meeting place terminal is determined from the multiple video networking meeting place terminals, the sampling sequence of the target video networking meeting place terminal is determined by adopting the identification information, target video stream data are sequentially obtained from the video stream data of the target video networking meeting place terminal according to the sampling sequence and the sampling duration, and the target video stream data are sent to the video networking conference analysis terminal; sending the attendee information of the meeting place corresponding to the target video networking meeting place terminal, which is returned by the video networking meeting analysis terminal and generated according to the target video streaming data, to the video networking dispatching terminal, wherein the attendee information comprises attendee number information;
and the video network conference analysis terminal is used for converting target video stream data into picture information through the conference analysis system when the target video stream data sent by the video network server is received, carrying out face detection on the picture information and determining the information of participants.
3. The system of claim 2, wherein the video networking conference analysis terminal is pre-assigned a video networking virtual number;
the video networking scheduling terminal is further used for adding the video networking virtual number of the video networking conference analysis terminal into a conference list, and the video networking conference analysis terminal is pulled into a conference.
4. The system of claim 2,
and the video networking conference analysis terminal is also used for binding the participant information and the identification information of the corresponding video networking conference place terminal after the participant information is determined, and sending the bound participant information and the identification information to the video networking server.
5. The system of claim 2, wherein a meeting list is maintained within the video network scheduling terminal, the meeting list including meeting analysis options;
the video network scheduling terminal is further used for judging whether trigger information aiming at the conference analysis option is received or not when conference analysis service is started;
and if so, acquiring the participant information of the video networking conference corresponding to the conference analysis option, and displaying.
6. An information display device of a video networking conference is characterized by being applied to a video networking conference system, wherein the video networking conference system comprises a video networking server, a video networking analysis terminal, a video networking scheduling terminal and a plurality of video networking conference site terminals; a conference analysis system is deployed on the video networking conference analysis terminal, and the device comprises:
the video streaming data acquisition module is used for the video networking server to respectively acquire video streaming data from each video networking meeting place terminal; the video stream data is meeting place environment data collected by the video network meeting place terminal;
the scheduling request receiving module is used for the video network server to receive a scheduling request sent by the video network scheduling terminal, wherein the scheduling request comprises sampling duration and identification information of the video network meeting place terminal;
a target video network meeting place terminal determining module, which is used for the video network server to determine a target video network meeting place terminal from the plurality of video network meeting place terminals aiming at the scheduling request;
the target video stream data acquisition module is used for determining the sampling sequence of the target video network meeting place terminal by the video network server by adopting the identification information; the video networking server sequentially obtains target video streaming data from the video streaming data of the target video networking conference site terminal according to the sampling sequence and the sampling duration, and sends the target video streaming data to the video networking conference analysis terminal;
the conference participant information receiving module is used for receiving conference participant information of a conference place corresponding to the target video networking conference place terminal, which is returned by the video networking conference analyzing terminal and generated according to the target video streaming data, by the video networking server; the video network conference analysis terminal is used for converting target video stream data into picture information through the conference analysis system when the target video stream data sent by the video network server are received, carrying out face detection on the picture information and determining participant information, wherein the participant information comprises participant number information;
and the participant information sending module is used for sending the participant information to the video network scheduling terminal by the video network server.
7. An information presentation device for video networking conferences, 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 information presentation for a video network conference of claim 1.
8. A computer-readable storage medium storing a computer program for causing a processor to execute the information presentation method for a video network conference according to claim 1.
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