CN109547731A - A kind of methods of exhibiting and system of video conference - Google Patents
A kind of methods of exhibiting and system of video conference Download PDFInfo
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- CN109547731A CN109547731A CN201811512371.2A CN201811512371A CN109547731A CN 109547731 A CN109547731 A CN 109547731A CN 201811512371 A CN201811512371 A CN 201811512371A CN 109547731 A CN109547731 A CN 109547731A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
- H04N21/25808—Management of client data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
- H04N21/25808—Management of client data
- H04N21/25816—Management of client data involving client authentication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/4508—Management of client data or end-user data
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Multimedia (AREA)
- Computer Graphics (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The embodiment of the invention provides a kind of methods of exhibiting of video conference and systems, wherein, the described method includes: second instructs depending on networking protocol and parse to obtain parsing result depending on networked node server from first depending on the reception of networked node server, parsing result includes the terminal identification information of target view networked terminals and the pattern identification information of target display pattern；Second determines that target regards networked terminals according to terminal identification information depending on networked node server, and parsing result to target is sent according to downstream communications link and regards networked terminals, target is used to determine target display pattern according to pattern identification information depending on networked terminals, and the video data of video conference is shown according to target display pattern.The embodiment of the present invention passes through the conversion operation to display pattern parameter, parsing operation etc. to view networking protocol instruction, the display pattern for realizing automation switching view networked terminals avoids the manual remote controller selection display pattern of user, reduces the operating procedure of user.
Description
Technical field
The present invention relates to view networking technology field, methods of exhibiting and a kind of video council more particularly to a kind of video conference
The display systems of view.
Background technique
It is a kind of dedicated network for being used for high-speed transfer HD video and specialized protocol based on ethernet hardware depending on networking,
It is the more advanced form of internet depending on networking, is a real-time network.
In video conference based on view networking, show that the terminal of the video data of video conference is more and more, some terminals
Display screen it is larger, can show the video data of the multiple side's of attending a meeting terminals；The display screen of some terminals is smaller, if
Show the video data of the multiple side's of attending a meeting terminals, the display area that will cause each video data is too small, what user was not easy to check
Problem.
The case where video data of same field video conference is shown simultaneously for multiple terminals, it is each using user's operation at present
The mode of the remote controler of terminal adjusts the display pattern of each terminal, to adapt to the size of the display screen of each terminal, increases use
The operating procedure at family.
Summary of the invention
In view of the above problems, it proposes the embodiment of the present invention and overcomes the above problem or at least partly in order to provide one kind
A kind of methods of exhibiting of the video conference to solve the above problems and a kind of corresponding display systems of video conference.
To solve the above-mentioned problems, the embodiment of the invention discloses a kind of methods of exhibiting of video conference, the method is answered
For regarding in networking, the view networking includes: the first view networked node server and second regards networked node server, and described the
One is communicated with described second depending on networked node server depending on networked node server, which comprises second view
Networked node server receives the view networking protocol instruction from the first view networked node server, the view networking protocol
Instruction is by the first view networked node server to obtained by received display pattern Parameter Switch in advance；The second view networking
Node server parsing is described to be instructed to obtain parsing result depending on networking protocol, and the parsing result includes target view networked terminals
The pattern identification information of terminal identification information and target display pattern；The second view networked node server is according to the terminal
Identification information determines the target view networked terminals, and sends out according to the downstream communications link of target view networked terminals configuration
The parsing result to the target is sent to regard networked terminals, the target view networked terminals are used for according to the pattern identification information
It determines the target display pattern, and shows the video data of video conference according to the target display pattern.
Optionally, described to be communicated depending on networking with internet, the internet includes internet client, the interconnection
Net client is communicated with described first depending on networked node server；The first view networked node server is used for from described
Internet client receives the display pattern parameter.
Optionally, the display pattern parameter includes one or more of: the end of the target view networked terminals
Hold identification information, the target view networked terminals terminal type information, the target view networked terminals terminal Role Information,
The pattern identification information of the target display pattern.
Optionally, the target display pattern is single screen display pattern, in picture-in-picture display pattern, more split screen display available modes
Any one.
Optionally, the target is communicated depending on networked terminals with the internet client；The target view networking is eventually
End is shown for the target to be switched to the target depending on the initial display pattern of networked terminals according to the pattern identification information
Show mode, and switching result is sent to the internet client.
The embodiment of the invention also discloses a kind of display systems of video conference, the system is applied in view networking, institute
Stating depending on networking includes: the first view networked node server and the second view networked node server, the first view networked node clothes
Business device is communicated with described second depending on networked node server, and described second depending on networked node server includes: receiving module,
For receiving the view networking protocol instruction from the first view networked node server, the view networking protocol instruction is by described
First view networked node server is to obtained by received display pattern Parameter Switch in advance；Parsing module, for parsing the view
Networking protocol instructs to obtain parsing result, and the parsing result includes that the terminal identification information of target view networked terminals and target are shown
Show the pattern identification information of mode；Transmission module, for determining that the target regards networked terminals according to the terminal identification information,
And networking is regarded according to the parsing result to the target is sent to the downstream communications link of target view networked terminals configuration
Terminal, the target be used to according to the pattern identification information determine the target display pattern depending on networked terminals, and according to institute
State the video data that target display pattern shows video conference.
Optionally, described to be communicated depending on networking with internet, the internet includes internet client, the interconnection
Net client is communicated with described first depending on networked node server；The first view networked node server is used for from described
Internet client receives the display pattern parameter.
Optionally, the display pattern parameter includes one or more of: the end of the target view networked terminals
Hold identification information, the target view networked terminals terminal type information, the target view networked terminals terminal Role Information,
The pattern identification information of the target display pattern.
Optionally, the target display pattern is single screen display pattern, in picture-in-picture display pattern, more split screen display available modes
Any one.
Optionally, the target is communicated depending on networked terminals with the internet client；The target view networking is eventually
End is shown for the target to be switched to the target depending on the initial display pattern of networked terminals according to the pattern identification information
Show mode, and switching result is sent to the internet client.
The embodiment of the present invention includes following advantages:
The embodiment of the present invention is applied in view networking, may include the first view networked node server and the second view depending on networking
Networked node server, wherein first is communicated with second depending on networked node server depending on networked node server.
In the embodiment of the present invention, first receives the display pattern ginseng of target view networked terminals depending on networked node server
Number, and be view networking protocol instruction by display pattern Parameter Switch, it then sends and instructs depending on networking protocol to the second view networking section
Point server.Second receives view networking protocol instruction depending on networked node server, and parsing is instructed depending on networking protocol to be parsed
As a result, and determining that target regards networked terminals, transmission solution depending on the terminal identification information of networked terminals according to the target in parsing result
It analyses result to target and regards networked terminals.Target receives parsing result depending on networked terminals, and aobvious according to the target in parsing result
Show that the pattern identification information of mode determines target display pattern, the video data of video conference is shown according to target display pattern.
The characteristic of application view networking of the embodiment of the present invention, the first view networked node server are aobvious by target view networked terminals
Show that mode parameter is converted to view networking protocol instruction, the second view networked node server parsing regards networking protocol instruction, and will solution
Analysis result is sent to target view networked terminals, and target regards networked terminals according to parsing result selection target display pattern, and utilizes
The video data of target display pattern displaying video conference.The embodiment of the present invention by the conversion operation to display pattern parameter,
And the parsing operation etc. to view networking protocol instruction, the display pattern of automation switching view networked terminals is realized, is avoided
The manual remote controller of user selects display pattern, reduces the operating procedure of user.
Detailed description of the invention
Fig. 1 is a kind of networking schematic diagram of view networking of the invention；
Fig. 2 is a kind of hardware structural diagram of node server of the invention；
Fig. 3 is a kind of hardware structural diagram of access switch of the invention；
Fig. 4 is the hardware structural diagram that a kind of Ethernet association of the invention turns gateway；
Fig. 5 is a kind of step flow chart of the methods of exhibiting embodiment of video conference of the invention；
Fig. 6 is a kind of design schematic diagram of the method for dynamic change display pattern based on view networking of the invention；
Fig. 7 is the structure of the second view networked node server in a kind of display systems embodiment of video conference of the invention
Block diagram.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
It is the important milestone of network Development depending on networking, is a real-time network, can be realized HD video real-time Transmission,
Push numerous Internet applications to HD video, high definition is face-to-face.
Real-time high-definition video switching technology is used depending on networking, it can be such as high in a network platform by required service
Clear video conference, Intellectualized monitoring analysis, emergency command, digital broadcast television, delay TV, the Web-based instruction, shows video monitoring
Field live streaming, VOD program request, TV Mail, individual character records (PVR), Intranet (manages) channel by oneself, intelligent video Broadcast Control, information publication
All be incorporated into a system platform etc. services such as tens of kinds of videos, voice, picture, text, communication, data, by TV or
Computer realizes that high-definition quality video plays.
Embodiment in order to enable those skilled in the art to better understand the present invention is introduced to depending on networking below:
Depending on networking, applied portion of techniques is as described below:
Network technology (Network Technology)
Traditional ethernet (Ethernet) is improved depending on the network technology innovation networked, with potential huge on network
Video flow.(Circuit is exchanged different from simple network packet exchange (Packet Switching) or lattice network
Switching), meet Streaming using network packet exchange depending on networking technology (to be translated into stream, stream, streaming, be one
Kind data transferring technique, becomes the data received the stream of one steady and continuous, continuously sends out, the sound for hearing user
Sound or the image seen are very steady, and user can start to carry out on the screen before entire data transmission is complete it is clear
Look at) demand.Have flexible, the simple and low price of packet switch depending on networking technology, is provided simultaneously with the quality and safety of circuit switching
Guarantee, realizes the seamless connection of the whole network switched virtual circuit and data format.
Switching technology (Switching Technology)
Two advantages of asynchronous and packet switch that Ethernet is used depending on networking eliminate Ethernet under the premise of complete compatible and lack
It falls into, has the end-to-end seamless connection of the whole network, direct user terminal, directly carrying IP data packet.User data is in network-wide basis
It is not required to any format conversion.It is the more advanced form of Ethernet depending on networking, is a real-time exchange platform, can be realized at present mutually
The whole network large-scale high-definition realtime video transmission that networking cannot achieve pushes numerous network video applications to high Qinghua, unitizes.
Server technology (Server Technology)
It is different from traditional server, its Streaming Media depending on the server technology in networking and unified video platform
Transmission be built upon it is connection-oriented on the basis of, data-handling capacity is unrelated with flow, communication time, single network layer energy
Enough transmitted comprising signaling and data.For voice and video business, handled depending on networking and unified video platform Streaming Media
Complexity many simpler than data processing, efficiency substantially increase hundred times or more than traditional server.
Reservoir technology (Storage Technology)
The ultrahigh speed reservoir technology of unified video platform in order to adapt to the media content of vast capacity and super-flow and
Using state-of-the-art real time operating system, the programme information in server instruction is mapped to specific hard drive space, media
Content is no longer pass through server, and moment is directly delivered to user terminal, and user waits typical time less than 0.2 second.It optimizes
Sector distribution greatly reduces the mechanical movement of hard disc magnetic head tracking, and resource consumption only accounts for the 20% of the internet ad eundem IP, but
The concurrent flow greater than 3 times of traditional disk array is generated, overall efficiency promotes 10 times or more.
Network security technology (Network Security Technology)
Depending on the structural design networked by servicing independent licence system, equipment and the modes such as user data is completely isolated every time
The network security problem that puzzlement internet has thoroughly been eradicated from structure, does not need antivirus applet, firewall generally, has prevented black
The attack of visitor and virus, structural carefree secure network is provided for user.
It services innovative technology (Service Innovation Technology)
Business and transmission are fused together by unified video platform, whether single user, private user or a net
The sum total of network is all only primary automatic connection.User terminal, set-top box or PC are attached directly to unified video platform, obtain rich
The multimedia video service of rich colorful various forms.Unified video platform is traditional to substitute with table schema using " menu type "
Complicated applications programming, considerably less code, which can be used, can be realized complicated application, realize the new business innovation of " endless ".
Networking depending on networking is as described below:
It is a kind of central controlled network structure depending on networking, which can be Tree Network, Star network, ring network etc. class
Type, but centralized control node is needed to control whole network in network on this basis.
As shown in Figure 1, being divided into access net and Metropolitan Area Network (MAN) two parts depending on networking.
The equipment of access mesh portions can be mainly divided into 3 classes: node server, access switch, terminal (including various machines
Top box, encoding board, memory etc.).Node server is connected with access switch, and access switch can be with multiple terminal phases
Even, and it can connect Ethernet.
Wherein, node server is the node that centralized control functions are played in access net, can control access switch and terminal.
Node server can directly be connected with access switch, can also directly be connected with terminal.
Similar, the equipment of metropolitan area mesh portions can also be divided into 3 classes: metropolitan area server, node switch, node serve
Device.Metropolitan area server is connected with node switch, and node switch can be connected with multiple node servers.
Wherein, node server is the node server for accessing mesh portions, i.e. node server had both belonged to access wet end
Point, and belong to metropolitan area mesh portions.
Metropolitan area server is the node that centralized control functions are played in Metropolitan Area Network (MAN), can control node switch and node serve
Device.Metropolitan area server can be directly connected to node switch, can also be directly connected to node server.
It can be seen that be entirely a kind of central controlled network structure of layering depending on networking network, and node server and metropolitan area
The network controlled under server can be the various structures such as tree-shaped, star-like, cyclic annular.
Visually claim, access mesh portions can form unified video platform (part in circle), and multiple unified video platforms can
To form view networking；Each unified video platform can be interconnected by metropolitan area and wide area depending on networking.
Classify depending on networked devices
1.1 embodiment of the present invention can be mainly divided into 3 classes: server depending on the equipment in networking, interchanger (including ether
Net gateway), terminal (including various set-top boxes, encoding board, memory etc.).Depending on networking can be divided on the whole Metropolitan Area Network (MAN) (or
National net, World Wide Web etc.) and access net.
1.2 equipment for wherein accessing mesh portions can be mainly divided into 3 classes: node server, access switch (including ether
Net gateway), terminal (including various set-top boxes, encoding board, memory etc.).
The specific hardware structure of each access network equipment are as follows:
Node server:
As shown in Fig. 2, mainly including Network Interface Module 201, switching engine module 202, CPU module 203, disk array
Module 204.
Wherein, Network Interface Module 201, the Bao Jun that CPU module 203, disk array module 204 are come in enter switching engine
Module 202；Switching engine module 202 look into the operation of address table 205 to the packet come in, to obtain the navigation information of packet；
And the packet is stored according to the navigation information of packet the queue of corresponding pack buffer 206；If the queue of pack buffer 206 is close
It is full, then it abandons；All pack buffer queues of 202 poll of switching engine mould, are forwarded: 1) port if meeting the following conditions
It is less than to send caching；2) the queue package counting facility is greater than zero.Disk array module 204 mainly realizes the control to hard disk, including
The operation such as initialization, read-write to hard disk；CPU module 203 is mainly responsible between access switch, terminal (not shown)
Protocol processes, to address table 205 (including descending protocol packet address table, uplink protocol package address table, data packet addressed table)
Configuration, and, the configuration to disk array module 204.
Access switch:
As shown in figure 3, mainly including Network Interface Module (downstream network interface module 301, uplink network interface module
302), switching engine module 303 and CPU module 304.
Wherein, the packet (upstream data) that downstream network interface module 301 is come in enters packet detection module 305；Packet detection mould
Whether destination address (DA), source address (SA), type of data packet and the packet length of the detection packet of block 305 meet the requirements, if met,
It then distributes corresponding flow identifier (stream-id), and enters switching engine module 303, otherwise abandon；Uplink network interface mould
The packet (downlink data) that block 302 is come in enters switching engine module 303；The data packet that CPU module 204 is come in enters switching engine
Module 303；Switching engine module 303 look into the operation of address table 306 to the packet come in, to obtain the navigation information of packet；
If the packet into switching engine module 303 is that downstream network interface is gone toward uplink network interface, in conjunction with flow identifier
(stream-id) packet is stored in the queue of corresponding pack buffer 307；If the queue of the pack buffer 307 is close full,
It abandons；If the packet into switching engine module 303 is not that downstream network interface is gone toward uplink network interface, according to packet
Navigation information is stored in the data packet queue of corresponding pack buffer 307；If the queue of the pack buffer 307 is close full,
Then abandon.
All pack buffer queues of 303 poll of switching engine module, are divided to two kinds of situations in embodiments of the present invention:
If the queue is that downstream network interface is gone toward uplink network interface, meets the following conditions and be forwarded: 1)
It is less than that the port sends caching；2) the queue package counting facility is greater than zero；3) token that rate control module generates is obtained.
If the queue is not that downstream network interface is gone toward uplink network interface, meets the following conditions and is forwarded:
1) it is less than to send caching for the port；2) the queue package counting facility is greater than zero.
Rate control module 208 is configured by CPU module 204, to all downlink networks in programmable interval
Interface generates token toward the pack buffer queue that uplink network interface is gone, to control the code rate of forwarded upstream.
CPU module 304 is mainly responsible for the protocol processes between node server, the configuration to address table 306, and,
Configuration to rate control module 308.
Ethernet association turns gateway:
As shown in figure 4, mainly including Network Interface Module (downstream network interface module 401, uplink network interface module
402), switching engine module 403, CPU module 404, packet detection module 405, rate control module 408, address table 406, Bao Huan
Storage 407 and MAC adding module 409, MAC removing module 410.
Wherein, the data packet that downstream network interface module 401 is come in enters packet detection module 405；Packet detection module 405 is examined
Ethernet mac DA, ethernet mac SA, Ethernet length or frame type, the view networking destination address of measured data packet
DA, whether meet the requirements depending on networking source address SA, depending on networking data Packet type and packet length, corresponding stream is distributed if meeting
Identifier (stream-id)；Then, MAC DA, MAC SA, length or frame type are subtracted by MAC removing module 410
(2byte), and enter corresponding receive and cache, otherwise abandon；
Downstream network interface module 401 detects the transmission caching of the port, if there is Bao Ze is according to the view of packet networking purpose
Address D A knows the ethernet mac DA of corresponding terminal, adds the ethernet mac DA of terminal, Ethernet assists the MAC for turning gateway
SA, Ethernet length or frame type, and send.
The function that Ethernet association turns other modules in gateway is similar with access switch.
Terminal:
It mainly include Network Interface Module, Service Processing Module and CPU module；For example, set-top box mainly connects including network
Mouth mold block, video/audio encoding and decoding engine modules, CPU module；Encoding board mainly includes Network Interface Module, video encoding engine
Module, CPU module；Memory mainly includes Network Interface Module, CPU module and disk array module.
The equipment of 1.3 metropolitan area mesh portions can be mainly divided into 3 classes: node server, node switch, metropolitan area server.
Wherein, node switch mainly includes Network Interface Module, switching engine module and CPU module；Metropolitan area server mainly includes
Network Interface Module, switching engine module and CPU module are constituted.
2, networking data package definition is regarded
2.1 access network data package definitions
Access net data packet mainly include following sections: destination address (DA), source address (SA), reserve bytes,
payload(PDU)、CRC。
As shown in the table, the data packet for accessing net mainly includes following sections:
| DA | SA | Reserved | Payload | CRC |
Destination address (DA) is made of 8 bytes (byte), and first character section indicates type (such as the various associations of data packet
Discuss packet, multicast packet, unicast packet etc.), be up to 256 kinds of possibility, the second byte to the 6th byte is metropolitan area net address,
Seven, the 8th bytes are access net address.
Source address (SA) is also to be made of 8 bytes (byte), is defined identical as destination address (DA).
Reserve bytes are made of 2 bytes.
The part payload has different length according to the type of different datagrams, if the type of datagram is various
Protocol package, then the length of the part payload is 64 bytes, if the type of datagram is single group unicast packets, payload
Partial length is 32+1024=1056 byte, is not restricted to above 2 kinds certainly.
CRC is made of 4 bytes, and calculation method follows the Ethernet CRC algorithm of standard.
2.2 Metropolitan Area Network (MAN) packet definitions
The topology of Metropolitan Area Network (MAN) is pattern, may there is 2 kinds, connection even of more than two kinds, i.e. node switching between two equipment
It can all can exceed that 2 kinds between machine and node server, node switch and node switch, node switch and node server
Connection.But the metropolitan area net address of metropolitan area network equipment is uniquely, to close to accurately describe the connection between metropolitan area network equipment
System, introduces parameter in embodiments of the present invention: label, uniquely to describe a metropolitan area network equipment.
In this specification label definition and multiprotocol label switching (Multi-Protocol Label Switch,
MPLS the definition of label) is similar, it is assumed that there are two connections between equipment A and equipment B, then data packet is from equipment A to equipment B
Just there are 2 labels, data packet also there are 2 labels from equipment B to equipment A.Label is divided into label, outgoing label, it is assumed that data packet into
The label (entering label) for entering equipment A is 0x0000, and the label (outgoing label) when this data packet leaves equipment A may reform into
0x0001.The networking process of Metropolitan Area Network (MAN) is to enter network process under centralized control, also means that address distribution, the label of Metropolitan Area Network (MAN)
Distribution be all to be dominated by metropolitan area server, node switch, node server be all passively execute, this point with
The label distribution of MPLS is different, and the distribution of the label of MPLS is the result that interchanger, server are negotiated mutually.
As shown in the table, the data packet of Metropolitan Area Network (MAN) mainly includes following sections:
| DA | SA | Reserved | Label | Payload | CRC |
That is destination address (DA), source address (SA), reserve bytes (Reserved), label, payload (PDU), CRC.Its
In, the format of label, which can refer to, such as gives a definition: label is 32bit, wherein high 16bit retains, only with low 16bit, its position
Set is between the reserve bytes and payload of data packet.
Based on the above-mentioned characteristic of view networking, one of the core concepts of the embodiments of the present invention is proposed, it then follows regard the association of networking
View, first regards networked node server for display pattern Parameter Switch as view networking protocol instruction, and second regards networked node service
Device receives view networking protocol instruction, and parses to depending on networking protocol instruction, then parsing result is sent to target view
Networked terminals, target determines target display pattern according to parsing result depending on networked terminals, and shows and regard according to target display pattern
The video data of frequency meeting.
Referring to Fig. 5, a kind of step flow chart of the methods of exhibiting embodiment of video conference of the invention, this method are shown
It can be applied in view networking, may include that the first view networked node server and second regard networked node server depending on networking,
Wherein, it first is communicated with second depending on networked node server depending on networked node server.This method can specifically include as
Lower step:
Step 501, the second view networked node server receives the view networking protocol from the first view networked node server
Instruction.
In the embodiment of the present invention, first regards networked node server can use to regard networked video conference management server
In the side's of attending a meeting terminal of management video conference and access video conference.First can divide depending on networked node server according to function
For page end (internet client) and dispatching terminal (dispatch server), wherein page end can be located in internet, for giving birth to
At display pattern parameter, and display pattern parameter is transmitted to dispatching terminal.Dispatching terminal can be located in view networking, for display mould
Formula parameter is converted, and view networking protocol instruction is obtained.
In one preferred embodiment of the invention, display pattern parameter can include but is not limited to: the networking of target view is eventually
The terminal identification information at end, the terminal type information of target view networked terminals, target view networked terminals terminal Role Information and
Pattern identification information of target display pattern etc..In practical applications, operator can execute in page end and generate display
The operation of mode parameter correspondingly, chooses target view connection for example, selection target regards networked terminals in view networked terminals list
Terminal identification information, terminal type information and the terminal Role Information of network termination, and selection target is aobvious in display pattern list
Show mode, correspondingly, choose the pattern identification information of target display pattern, then, by the end of the target chosen view networked terminals
Identification information, terminal type information and terminal Role Information are held, and, the pattern identification information of target display pattern is as display
Mode parameter.Display pattern parameter can be transferred to by page end in the form of data packet after generating display pattern parameter
Dispatching terminal.
It should be noted that page end, in display pattern list when selection target display pattern, selected target is aobvious
Show that mode needs to regard the display pattern that networked terminals are supported for target.Therefore, after selection target regards networked terminals, mould is shown
Each display pattern in formula list will appear the prompt information for whether supporting target view networked terminals, and operator can basis
Prompt information selection target display pattern.
First receives display pattern parameter depending on networked node server, specifically, in the first view networked node server
Dispatching terminal receive display pattern parameter, by display pattern Parameter Switch be support referring to depending on networking protocol depending on networking protocol
It enables, this is instructed depending on networking protocol can support view networking transparent protocol, and the first view networked node server is according to view networking transparent transmission
Agreement, which is sent, to be instructed depending on networking protocol to the second view networked node server.
Step 502, it second instructs to obtain parsing result depending on networking protocol depending on the parsing of networked node server.
In the embodiment of the present invention, second can be according to preset resolution rules to the view received depending on networked node server
Networking protocol instruction carries out parsing operation.Wherein, content pair in each field is contained in view networking protocol instruction in resolution rules
The concrete meaning answered, for example, the character string in the first character section " a ... b " of view networking protocol instruction corresponds to target view
The terminal identification information of networked terminals corresponds to mesh depending on the character string in second field " c ... d " of networking protocol instruction
The pattern identification information of display pattern is marked, requirement etc. of the embodiment of the present invention to resolution rules is not specifically limited.Terminal iidentification
Information is the unique identity for regarding networked terminals in view networking, can be set of number or one group of character string etc., the present invention
Embodiment is not specifically limited form, the content etc. of terminal identification information.Pattern identification information is unique body of display pattern
Part mark, can be set of number or one group of character string etc., the embodiment of the present invention to form, content of pattern identification information etc. no
Make concrete restriction.
Terminal in second parsing result parsed depending on networked node server, not only comprising target view networked terminals
The pattern identification information of identification information and target display terminal can also include other attribute informations of target view networked terminals,
Such as terminal type information, terminal Role Information, terminal positional information, terminal configuration information, the solution in the embodiment of the present invention
The particular content that analysis result includes can be depending on the particular content for including in display pattern parameter.
Step 503, second target view connection is determined according to the terminal identification information in parsing result depending on networked node server
Network termination, and networked terminals are regarded according to parsing result to target is sent to the downstream communications link of target view networked terminals configuration,
So that target view networked terminals are according to the video data of parsing result displaying video conference.
In the embodiment of the present invention, since terminal identification information is the unique identity for regarding networked terminals in view networking,
Therefore the second view networked node server can be depending on networked terminals list, (this joins depending on may include each view in networked terminals list
Corresponding relationship between network termination and respective terminal identification information can also include net of each view networked terminals in view networking
Network address information etc.) in, search for terminal identification information identical with the terminal identification information in parsing result, the end that will be searched
The corresponding view networked terminals of identification information are held as target and regard networked terminals.Target regards networked terminals can be as with to view networking
Audio-video is decoded the hardware device of function, such as PC, set-top box, and target can carry display equipment depending on networked terminals,
Also can connect external display equipment, (digital signal of compression is converted into television content by such as television set, is shown on a television set
It shows and).
Second depending on networked node server determine target view networked terminals after, according to target view networked terminals configuration
Downstream communications link send parsing result to target regard networked terminals.In this practical application, networking is regarded as with centralized control
The network of function, including main control server and undernet equipment, which includes terminal, depending on the core structure of networking
One of think to be, by notifying switching equipment to be directed to when time downstream communications link of service matches table, then base by main control server
The transmission of data packet is carried out in the table of the configuration.
That is, including: depending on the communication means in networking
Main control server configuration is when time downstream communications link of service；Work as time data packet of service for what source terminal was sent,
Target terminal (such as target view networked terminals) are sent to according to downstream communications link.
In embodiments of the present invention, it includes: notice when the downlink of secondary service is logical that time downstream communications link of service is worked as in configuration
Believe that switching equipment involved in link matches table.
It furthermore, include: the configured table of inquiry according to downstream communications link transmission, switching equipment is received to institute
Data packet is transmitted by corresponding port.
In the concrete realization, service includes unicast communication service and Multicast Communication Service.I.e. either cast communication is still
Unicast communication can realize the communication in view networking using the above-mentioned core idea with table-table.
As previously mentioned, view networking includes access mesh portions, in access net, which is node server, under
The grade network equipment includes access switch and terminal.
For the unicast communication service in access net, main control server configuration is when time downstream communications link of service
Step may comprise steps of:
Sub-step S11, the service request protocol package that main control server is initiated according to source terminal are obtained when time downlink of service
Communication link information, downstream communications link information include participating in when time downlink of the main control server of service and access switch
Communication port information.
Sub-step S12, main control server are arranged according to downstream communication ports information in data packet addressed table inside it
When the downlink port that the data packet of secondary service is oriented to；And the downstream communication ports information according to access switch, to corresponding
Access switch sending port configuration order.
Sub-step S13, access switch according in port configuration command data packet addressed table inside it, setting when time
The downlink port that the data packet of service is oriented to.
For the Multicast Communication Service (such as video conference) in access net, main control server is obtained when under time service
The step of row communication link information may include following sub-step:
Sub-step S21, main control server obtain the service request agreement for the application Multicast Communication Service that target terminal is initiated
It wraps, includes the access net address of service type information, service content information and target terminal in service request protocol package；Wherein,
It include service number in service content information.
Sub-step S22, main control server in preset content-address mapping table, extract source terminal according to service number
Access net address.
Sub-step S23, main control server obtains the corresponding multicast address of source terminal, and distributes to target terminal；And according to
According to the access net address of service type information, source terminal and target terminal, the communication link information when time multicast services is obtained.
After target receives parsing result depending on networked terminals, it can be determined according to the pattern identification information in parsing result
Current display mode or initial display pattern are switched to target display pattern, and utilize mesh by corresponding target display pattern
Mark the video data that display pattern shows video conference.Wherein, target display pattern can be aobvious for single screen display pattern, picture-in-picture
Show mode, any one in more split screen display available modes.Specifically, single screen display pattern can show the main view frequency of video conference
The pictures of data or show video conference current speaking party video data picture etc., picture-in-picture display pattern can be
The picture that the video data of speaking party is shown in the big window of screen shows the picture of local video data in the wicket of screen
Face, more split screen display available modes can be divided into left and right split screen, 3 panes, four split screens etc..The embodiment of the present invention shows mould to target
The type of formula and display format etc. are not specifically limited.
In one preferred embodiment of the invention, target shows mould by current display mode or initially depending on networked terminals
When formula is switched to target display pattern, in fact it could happen that switch unsuccessful situation, therefore, target can will switch depending on networked terminals
As a result (including switch successfully or switch unsuccessful) is sent to page end.The operator of page end can know each target view connection
The switching result of the target display pattern of network termination.
Based on a kind of related description of the above-mentioned methods of exhibiting embodiment about video conference, it is described below a kind of based on view
The method of the dynamic change display pattern of networking, as shown in fig. 6, display pattern parameter is sent to view networked video meeting by page end
Management server is discussed, regards networked video conference management server for display pattern Parameter Switch as view networking protocol instruction, and lead to
It crosses and is transmitted to view networked node server depending on networking transparent protocol, after networking protocol instruction parsing will be regarded depending on networked node server
Parsing result be transmitted to view networked terminals, regard networked terminals according to parsing result change display pattern be in parsing result it is specified
Display pattern, depending on networked terminals by change result be back to page end.
The embodiment of the present invention is applied in view networking, may include the first view networked node server and the second view depending on networking
Networked node server, wherein first is communicated with second depending on networked node server depending on networked node server.
In the embodiment of the present invention, first receives the display pattern ginseng of target view networked terminals depending on networked node server
Number, and be view networking protocol instruction by display pattern Parameter Switch, it then sends and instructs depending on networking protocol to the second view networking section
Point server.Second receives view networking protocol instruction depending on networked node server, and parsing is instructed depending on networking protocol to be parsed
As a result, and determining that target regards networked terminals, transmission solution depending on the terminal identification information of networked terminals according to the target in parsing result
It analyses result to target and regards networked terminals.Target receives parsing result depending on networked terminals, and aobvious according to the target in parsing result
Show that the pattern identification information of mode determines target display pattern, the video data of video conference is shown according to target display pattern.
The characteristic of application view networking of the embodiment of the present invention, the first view networked node server are aobvious by target view networked terminals
Show that mode parameter is converted to view networking protocol instruction, the second view networked node server parsing regards networking protocol instruction, and will solution
Analysis result is sent to target view networked terminals, and target regards networked terminals according to parsing result selection target display pattern, and utilizes
The video data of target display pattern displaying video conference.The embodiment of the present invention by the conversion operation to display pattern parameter,
And the parsing operation etc. to view networking protocol instruction, the display pattern of automation switching view networked terminals is realized, is avoided
The manual remote controller of user selects display pattern, reduces the operating procedure of user.
It should be noted that for simple description, therefore, it is stated as a series of action groups for embodiment of the method
It closes, but those skilled in the art should understand that, embodiment of that present invention are not limited by the describe sequence of actions, because according to
According to the embodiment of the present invention, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art also should
Know, the embodiments described in the specification are all preferred embodiments, and the related movement not necessarily present invention is implemented
Necessary to example.
Referring to Fig. 7, the second view networked node clothes in a kind of display systems embodiment of video conference of the invention are shown
Be engaged in the structural block diagram of device, which can be applied in view networking, view networking may include the first view networked node server with
Second view networked node server, wherein first is communicated with second depending on networked node server depending on networked node server,
Second in the system can specifically include following module depending on networked node server:
Receiving module 701, it is described for receiving the view networking protocol instruction from the first view networked node server
Depending on networking protocol instruction by the first view networked node server to obtained by received display pattern Parameter Switch in advance.
Parsing module 702, for parse it is described instruct to obtain parsing result depending on networking protocol, the parsing result includes mesh
The terminal identification information of mark view networked terminals and the pattern identification information of target display pattern；
Transmission module 703, for determining that the target regards networked terminals according to the terminal identification information, and according to institute
The downstream communications link for stating target view networked terminals configuration sends the parsing result to the target and regards networked terminals, the mesh
Mark is used to determine the target display pattern according to the pattern identification information depending on networked terminals, and shows mould according to the target
The video data of formula displaying video conference.
In one preferred embodiment of the invention, described to be communicated depending on networking with internet, the internet includes
Internet client, the internet client are communicated with described first depending on networked node server；The first view connection
Net node server is used to receive the display pattern parameter from the internet client.
In one preferred embodiment of the invention, the display pattern parameter includes one or more of: the mesh
The terminal identification information of mark view networked terminals, the terminal type information of target view networked terminals, target view connection
The pattern identification information of the terminal Role Information of network termination, the target display pattern.
In one preferred embodiment of the invention, the target display pattern is single screen display pattern, picture-in-picture is shown
Any one in mode, more split screen display available modes.
In one preferred embodiment of the invention, the target is led to depending on networked terminals and the internet client
Letter；The target view networked terminals are used to regard the target according to the pattern identification information the initial display mould of networked terminals
Formula is switched to the target display pattern, and switching result is sent to the internet client.
For system embodiments, since it is basically similar to the method embodiment, related so being described relatively simple
Place illustrates referring to the part of embodiment of the method.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
It should be understood by those skilled in the art that, the embodiment of the embodiment of the present invention can provide as method, apparatus or calculate
Machine program product.Therefore, the embodiment of the present invention can be used complete hardware embodiment, complete software embodiment or combine software and
The form of the embodiment of hardware aspect.Moreover, the embodiment of the present invention can be used one or more wherein include computer can
With in the computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) of program code
The form of the computer program product of implementation.
The embodiment of the present invention be referring to according to the method for the embodiment of the present invention, terminal device (system) and computer program
The flowchart and/or the block diagram of product describes.It should be understood that flowchart and/or the block diagram can be realized by computer program instructions
In each flow and/or block and flowchart and/or the block diagram in process and/or box combination.It can provide these
Computer program instructions are set to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing terminals
Standby processor is to generate a machine, so that being held by the processor of computer or other programmable data processing terminal devices
Capable instruction generates for realizing in one or more flows of the flowchart and/or one or more blocks of the block diagram
The device of specified function.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing terminal devices
In computer-readable memory operate in a specific manner, so that instruction stored in the computer readable memory generates packet
The manufacture of command device is included, which realizes in one side of one or more flows of the flowchart and/or block diagram
The function of being specified in frame or multiple boxes.
These computer program instructions can also be loaded into computer or other programmable data processing terminal devices, so that
Series of operation steps are executed on computer or other programmable terminal equipments to generate computer implemented processing, thus
The instruction executed on computer or other programmable terminal equipments is provided for realizing in one or more flows of the flowchart
And/or in one or more blocks of the block diagram specify function the step of.
Although the preferred embodiment of the embodiment of the present invention has been described, once a person skilled in the art knows bases
This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as
Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap
Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article
Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited
Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.
Above to a kind of methods of exhibiting and a kind of display systems of video conference of video conference provided by the present invention, into
It has gone and has been discussed in detail, used herein a specific example illustrates the principle and implementation of the invention, the above implementation
The explanation of example is merely used to help understand method and its core concept of the invention；Meanwhile for the general technology people of this field
Member, according to the thought of the present invention, there will be changes in the specific implementation manner and application range, in conclusion this explanation
Book content should not be construed as limiting the invention.
Claims (10)
1. a kind of methods of exhibiting of video conference, which is characterized in that the method is applied in view networking, the view networking packet
Include: first view networked node server and second view networked node server, it is described first view networked node server with it is described
Second is communicated depending on networked node server, which comprises
The second view networked node server receives the view networking protocol instruction from the first view networked node server,
The view networking protocol instruction is by the first view networked node server to obtained by received display pattern Parameter Switch in advance；
Described second described instructs to obtain parsing result, the parsing result packet depending on networking protocol depending on the parsing of networked node server
Include the terminal identification information of target view networked terminals and the pattern identification information of target display pattern；
Described second determines that the target regards networked terminals according to the terminal identification information depending on networked node server, and according to
The parsing result to the target is sent to the downstream communications link of target view networked terminals configuration and regards networked terminals, institute
It states target and is used to determine the target display pattern according to the pattern identification information depending on networked terminals, and is aobvious according to the target
Show the video data of pattern exposure video conference.
2. the methods of exhibiting of video conference according to claim 1, which is characterized in that the view networking is carried out with internet
Communication, the internet includes internet client, the internet client and it is described first view networked node server into
Row communication；
The first view networked node server is used to receive the display pattern parameter from the internet client.
3. the methods of exhibiting of video conference according to claim 1 or 2, which is characterized in that the display pattern parameter packet
Include one or more of: the terminal identification information, the target of the target view networked terminals regard the end of networked terminals
The pattern identification of type information, the terminal Role Information of target view networked terminals, the target display pattern is held to believe
Breath.
4. the methods of exhibiting of video conference according to claim 3, which is characterized in that the target display pattern is single screen
Display pattern, picture-in-picture display pattern, any one in more split screen display available modes.
5. the methods of exhibiting of video conference according to claim 2, which is characterized in that the target view networked terminals and institute
Internet client is stated to be communicated；
The target view networked terminals are used to regard the target according to the pattern identification information the initial display of networked terminals
Pattern switching is the target display pattern, and switching result is sent to the internet client.
6. a kind of display systems of video conference, which is characterized in that the system is applied in view networking, the view networking packet
Include: first view networked node server and second view networked node server, it is described first view networked node server with it is described
Second is communicated depending on networked node server, and described second includes: depending on networked node server
Receiving module, for receiving the view networking protocol instruction from the first view networked node server, the view networking
Protocol instructions are by the first view networked node server to obtained by received display pattern Parameter Switch in advance；
Parsing module, for parse it is described instruct to obtain parsing result depending on networking protocol, the parsing result includes target view connection
The terminal identification information of network termination and the pattern identification information of target display pattern；
Transmission module, for determining that the target regards networked terminals according to the terminal identification information, and according to the target
Downstream communications link depending on networked terminals configuration sends the parsing result to target view networked terminals, the target view connection
Network termination is used to determine the target display pattern according to the pattern identification information, and shows according to the target display pattern
The video data of video conference.
7. the display systems of video conference according to claim 6, which is characterized in that the view networking is carried out with internet
Communication, the internet includes internet client, the internet client and it is described first view networked node server into
Row communication；
The first view networked node server is used to receive the display pattern parameter from the internet client.
8. the display systems of video conference according to claim 6 or 7, which is characterized in that the display pattern parameter packet
Include one or more of: the terminal identification information, the target of the target view networked terminals regard the end of networked terminals
The pattern identification of type information, the terminal Role Information of target view networked terminals, the target display pattern is held to believe
Breath.
9. the display systems of video conference according to claim 8, which is characterized in that the target display pattern is single screen
Display pattern, picture-in-picture display pattern, any one in more split screen display available modes.
10. the display systems of video conference according to claim 7, which is characterized in that target view networked terminals with
The internet client is communicated；
The target view networked terminals are used to regard the target according to the pattern identification information the initial display of networked terminals
Pattern switching is the target display pattern, and switching result is sent to the internet client.
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