CN108024087B - A kind of method and system of video dispatching - Google Patents
A kind of method and system of video dispatching Download PDFInfo
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- CN108024087B CN108024087B CN201610972440.2A CN201610972440A CN108024087B CN 108024087 B CN108024087 B CN 108024087B CN 201610972440 A CN201610972440 A CN 201610972440A CN 108024087 B CN108024087 B CN 108024087B
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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
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/40—Support for services or applications
- H04L65/403—Arrangements for multi-party communication, e.g. for conferences
Abstract
The embodiment of the invention provides a kind of method and system of video dispatching, are applied in view networking, this method comprises: Conference control client, which passes through, is sent to terminal of attending a meeting for display pattern instruction depending on networked server；Display pattern instruction includes: display pattern marker and the first mapping table；Terminal of attending a meeting receives display pattern instruction, carries out window initialization and window arrangement according to display pattern marker, is the decoder that each window configures corresponding video flowing identity according to the first mapping table；Conference control client is by being scheduled to the recipient specified in terminal of attending a meeting for the video flowing of speaking party depending on networked server；The video flowing received is dispatched in corresponding decoder and is decoded to show in respective window by recipient.Realize and carry out extensive video conference in depending on networking, and the video conference is managed, dispatched and shown, solve the problems, such as outlet it is more caused by communication real-time is poor, execution not in time, improve office efficiency.
Description
Technical field
The present invention relates to view networking technology fields, the method and a kind of video dispatching more particularly to a kind of video dispatching
System.
Background technique
With the rapid development of society, each company can build to expand oneself business scope in each corner in the world
Vertical site or office, to expand oneself the market share.Since outlet's Regional Distribution is wider, in order to carry out unification portion
Administration and unified arrangement, transmitting information become essential link.
Currently, information mainly passes through telephone contact, communication software group, video conference call communication etc. between general headquarters and site
Mode.Wherein, for the mode of video conference call, the side of attending a meeting can only be added simultaneously in each branch by general headquarters, and each side of attending a meeting is all
It can see, hear the speech of all sides of attending a meeting.
Discovery when inventor states scheme in use, video conference promoter can not flexibly control the video content of speaking party
Whom is showed, is easy to divulge a secret.
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 method of the video dispatching to solve the above problems and a kind of system of video dispatching.
Conference control client, which passes through, is sent to terminal of attending a meeting for display pattern instruction depending on networked server；The display mould
Formula instruction includes: display pattern marker and the first mapping table；First mapping table is video flowing identity and window body
Mapping table between part mark；
The terminal of attending a meeting receives the display pattern instruction, carries out window initialization according to the display pattern marker
And window arrangement, and the decoder for corresponding to video flowing identity is configured for each window according to first mapping table；
Passed through by the Conference control client and dispatches the video flowing of the speaking party in terminal of attending a meeting depending on networked server
To the recipient specified in the terminal of attending a meeting；
The video flowing identity that the video flowing that terminal will receive of attending a meeting is dispatched to the video flowing is corresponding
It is decoded in decoder to be shown in respective window.
Preferably, the Conference control client, which passes through, is sent to terminal of attending a meeting for display pattern instruction depending on networked server
The step of include:
According to meeting affairs arrangement, Conference control client sets different display patterns；
For different display patterns, the corresponding terminal of attending a meeting of the display pattern is selected, and will by view networked server
Display pattern instruction is sent to corresponding terminal of attending a meeting.
Preferably, described to be passed through depending on networked server by the Conference control client by the speaking party's in terminal of attending a meeting
Video flowing is scheduled to the step of recipient specified in the terminal of attending a meeting and includes:
Conference control client sends the first video flowing scheduling request to regarding networked server；First video dispatching is asked
Asking includes: the speaking party's identity video flowing identity corresponding with the speaking party of the terminal of attending a meeting of terminal of attending a meeting；
By it is described depending on networked server according to the first video flowing scheduling request by the speaking party couple of the terminal of attending a meeting
The video flowing answered is scheduled to the terminal of attending a meeting.
Preferably, the video flowing that terminal will receive of attending a meeting is dispatched to the video flowing identity with the video flowing
The step of being decoded in corresponding decoder to show in respective window include:
The video flowing received is dispatched to the view with the video flowing according to first mapping table by the terminal of attending a meeting
It is decoded in the corresponding decoder of frequency stream identity；
The terminal of attending a meeting shows the decoded video flowing in respective window.
Preferably, the speaking party of the terminal of attending a meeting is the terminal of arbitrarily attending a meeting of Conference control client setting.
Second aspect, the embodiment of the invention provides a kind of systems of video dispatching, comprising:
Display pattern instruction sending module: for Conference control client by instructing display pattern depending on networked server
It is sent to terminal of attending a meeting；The display pattern instruction includes: display pattern marker and the first mapping table；First mapping table
For the mapping table between video flowing identity and window identity；
Terminal initialization of attending a meeting module: the display pattern instruction is received for the terminal of attending a meeting, according to the display
Pattern identification position carries out window initialization and window arrangement, and configures corresponding video according to first mapping table for each window
Flow the decoder of identity；
Video flowing scheduler module: it will attend a meeting in terminal for being passed through by the Conference control client depending on networked server
The video flowing of speaking party is scheduled to the recipient specified in the terminal of attending a meeting；
Video flowing display module: the view with the video flowing is dispatched to for the video flowing that terminal will receive of attending a meeting
It is decoded in the corresponding decoder of frequency stream identity to be shown in respective window.
Preferably, the display pattern instruction sending module includes:
Display pattern sets submodule: for according to meeting affairs arrangement, Conference control client to set different display patterns；
Different display modes instruct sending submodule: for being directed to different display patterns, selecting the display pattern corresponding
Terminal of attending a meeting, and by view networked server by the display pattern instruct be sent to corresponding terminal of attending a meeting.
Preferably, the video flowing scheduler module includes:
Video flowing scheduling request sending submodule: the first video flowing scheduling request is sent to view for Conference control client
Networked server；First video dispatching request include: attend a meeting terminal speaking party's identity and the hair of the terminal of attending a meeting
The corresponding video flowing identity of Yan Fang；
Video flowing dispatching response submodule: it is used for by the view networked server according to the first video flowing scheduling request
The corresponding video flowing of speaking party of the terminal of attending a meeting is scheduled to the terminal of attending a meeting.
Preferably, the video flowing display module includes:
Decoding video stream submodule: the video flowing tune that will be received for the terminal of attending a meeting according to first mapping table
It spends in the corresponding decoder of the video flowing identity with the video flowing and is decoded；
Video flowing display sub-module: the decoded video flowing is shown in respective window for the terminal of attending a meeting
Show.
Preferably, the video flowing scheduler module further include:
Speaking party's setup module: the speaking party for the terminal of attending a meeting is arbitrarily attending a meeting for Conference control client setting
Terminal.
The embodiment of the present invention includes following advantages:
Application view networking of the embodiment of the present invention supports the characteristic of extensive video real-time exchange, Conference control client that will join
The video flowing of meeting terminal speaking party is scheduled to each terminal of attending a meeting, and will be sent out by attending a meeting terminal according to display pattern and the first mapping table
The video flowing of Yan Fang is dispatched in different decoders and decodes and show, realizes and carries out extensive video council in depending on networking
View, and the video conference is managed, dispatches and is shown solve and cause long distance since outlet's Regional Distribution is relatively wide
The problem of communication disorders, is discussed in defection, and can guarantee specific aim, confidentiality and the high efficiency of information transmitting, improves office efficiency.
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 embodiment of the method one of video dispatching of the invention；
Fig. 5 A is a kind of display pattern schematic diagram of the embodiment of the method one of video dispatching of the invention；
Fig. 6 is a kind of step flow chart of the embodiment of the method two of video dispatching of the invention；
Fig. 6 A is a kind of the first display pattern schematic diagram of the embodiment of the method two of video dispatching of the invention；
Fig. 6 B is a kind of the second display pattern schematic diagram of the embodiment of the method two of video dispatching of the invention；
Fig. 6 C is a kind of third display pattern schematic diagram of the embodiment of the method two of video dispatching of the invention；
Fig. 6 D is a kind of the 4th display pattern schematic diagram of the embodiment of the method two of video dispatching of the invention；
Fig. 7 is a kind of structural block diagram of the system embodiment one of video dispatching of the invention；
Fig. 8 is a kind of structural block diagram of the system embodiment two of video dispatching of the invention.
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 packet switch (Packet Switching) or lattice network
Switching), Streaming demand is met using Packet Switching depending on networking technology.Has grouping depending on networking technology
Flexible, the simple and low price of exchange, is provided simultaneously with the quality and safety assurance of circuit switching, it is virtually electric to realize the whole network switch type
The seamless connection of road 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 virtual coil), and multiple unified videos are flat
Platform can 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 mesh way 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 mesh way 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, according to the view of packet networking mesh if there is Bao Ze
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 2 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:
Wherein:
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, is if it is various protocol packages
64 bytes are 32+1024=1056 bytes if it is single group unicast packets words, are 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.
(Multi-Protocol Label Switch, multiprotocol label are handed over by the definition of label and MPLS in this specification
Change) label definition it is similar, it is assumed that between equipment A and equipment B there are two connection, then data packet 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 enters
The label (entering label) of 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:
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 realizes that the terminal of attending a meeting of different zones passes through Conference control client holding video conference.Above-mentioned video conference, which refers to, to be located at
Multiple users in two or more places pass through view networked communication device and network, the meeting to talk face to face, according to ginseng
Meeting place number is different, and video conference can be divided into point-to-point meeting and multipoint conference.
In embodiments of the present invention, refer to the service of permission control and media control in view networking depending on networked server
Device.
Conference control client refers in view networking, carries out the management of membership information configuration, to video flowing to terminal of attending a meeting
It is scheduled the client software of management.
Terminal of attending a meeting refers to the terminal registered and logined successfully in depending on networked server.
Video flowing includes local video stream and network video stream, and wherein local video stream, which refers to, is locally acquiring and directly existing
The video flowing that local terminal is shown, network video stream refer to that Conference control client dispatches the corresponding video of other terminals to come
Stream.
Referring to Fig. 5, a kind of step flow chart of the embodiment of the method one of video dispatching of the invention is shown, this method can
To be applied in view networking, it can specifically include following steps:
S501: Conference control client, which passes through, is sent to terminal of attending a meeting for display pattern instruction depending on networked server；It is described
Display pattern instruction includes: display pattern marker and the first mapping table；First mapping table be video flowing identity with
Mapping table between window identity.
In embodiments of the present invention, display pattern instruction includes: display pattern marker and the first mapping table.It is wherein different
Display pattern flag bit corresponds to different display window numbers and window arrangement mode.First mapping table be video flowing identity with
Mapping table between window identity.
Display window number and window arrangement mode include but is not limited to single screen mode, double screen mode, picture-in-picture mode, three
Screen mode, four screen modes, 16 screen modes.For example single screen mode can take entire screen for a window, which only shows
Show the video of speaking party.Double screen mode can be two window laid out in parallel, and a window shows the video of speaking party, a window
The video of mouthful local terminal of attending a meeting of display, double screen mode may be the meeting-place panoramic video that a window shows speaking party, and one
A window shows the feature video of the spokesman of speaking party.According to parliamentary dimension and meeting demand, the setting of Conference control client
Different display patterns, the embodiment of the present invention are not limited the display pattern of setting.
For different terminals of attending a meeting, Conference control client sends different display pattern instructions.
Terminal of each attending a meeting includes camera, speech ciphering equipment.After terminal of each attending a meeting access view networked server, depending on networking
The video flowing of each terminal of attending a meeting can be cached in exchange pond by server, then wait Conference control client scheduling request,
Each video flowing is scheduled.
S502: the terminal of attending a meeting receives the display pattern instruction, carries out window according to the display pattern marker
Initialization and window arrangement, and the decoding for corresponding to video flowing identity is configured for each window according to first mapping table
Device.
Terminal of attending a meeting receive Conference control client send display pattern instruction, according to display pattern instruct in display
Pattern identification position carries out window initialization and window arrangement, and in conjunction with shown in Fig. 5 A, for example the terminal of attending a meeting for participating in video conference has
10, the received display pattern instruction of terminal of attending a meeting A is three screen modes, and it is meeting room panoramic video which, which is main window,
Stream, positioned at the left of screen, two secondary windows are arranged above and below, wherein secondary window located above is speaking party's video flowing, are located at
Following secondary window is terminal local video flowing of attending a meeting, and two secondary windows are located at the right of screen.Terminal of attending a meeting is according to display mould
The first mapping table in formula instruction, the identity for the corresponding video flowing of each window configure corresponding video flowing identity
The decoder of mark, such as terminal of attending a meeting are 10, one of them terminal of attending a meeting is the acquisition of two-path video stream, then this 10 ginsengs
The corresponding video flowing of meeting terminal is 20, then the first mapping table is 20 video flowing identity and 20 window identity
Between mapping table, wherein each window corresponds to only one decoder, then the 20 of 10 terminals of attending a meeting video
Stream identity respectively corresponds 20 window decoders.
S503: passed through depending on networked server by the Conference control client by the video flowing of the speaking party in terminal of attending a meeting
It is scheduled to the recipient specified in the terminal of attending a meeting.
It is speaking party that Conference control client, which can specify terminal of arbitrarily attending a meeting, and by the identity of specified speaking party
And the corresponding video flowing identity of the identity is sent to view networked server, depending on networked server by the view of the speaking party
Frequency stream is scheduled to the recipient specified in terminal of attending a meeting.
For example, a video conference has tetra- terminals of attending a meeting of A, B, C, D, wherein A is main meeting-place, and B, C, D are sub-venue, root
According to meeting affairs arrangement, terminal of attending a meeting A receives the video in tetra- meeting-place A, B, C, D, and terminal of attending a meeting B receives the video in two meeting-place A, B,
Terminal of attending a meeting C receives the video in tri- meeting-place A, C, D, and terminal D of attending a meeting receives the video in tri- meeting-place A, C, D.
When speaking party is multiple, the video flowing of the speaking party is scheduled to by Conference control client according to meeting affairs arrangement
The recipient of the corresponding terminal of attending a meeting of the speaking party, such as above-mentioned video conference, when speaking party is B and C, Conference control client
Attend a meeting terminal A, C, D to terminal A, B of attending a meeting, are given the video dispatching of speaking party B to the video dispatching of speaking party C in end.
S504: the video flowing that terminal will receive of attending a meeting is dispatched to the video flowing identity pair with the video flowing
It is decoded in the decoder answered to be shown in respective window.
Terminal of attending a meeting receives the video flowing of the speaking party of view networked server scheduling, according to the corresponding video flowing of the video flowing
The video flowing is dispatched in corresponding window decoder and is decoded by identity, and by decoded video flowing in correspondence
Window in show.
The embodiment of the present invention includes following advantages:
Application view networking of the embodiment of the present invention supports the characteristic of extensive video real-time exchange, Conference control client that will join
The video flowing of meeting terminal speaking party is scheduled to each terminal of attending a meeting, and will be sent out by attending a meeting terminal according to display pattern and the first mapping table
The video flowing of Yan Fang is dispatched in different decoders and decodes and show, realizes and carries out extensive video council in depending on networking
View, and the video conference is managed, dispatches and is shown solve and cause long distance since outlet's Regional Distribution is relatively wide
The problem of communication disorders, is discussed in defection, and can guarantee specific aim, confidentiality and the high efficiency of information transmitting, improves office efficiency.
Referring to Fig. 6, a kind of step flow chart of the embodiment of the method two of video dispatching of the invention is shown, this method can
To be applied in view networking, it can specifically include following steps:
S601: according to meeting affairs arrangement, Conference control client sets different display patterns；The display pattern instruction packet
It includes: display pattern marker and the first mapping table；First mapping table be video flowing identity and window identity it
Between mapping table.
In specific practical application, Large video meeting has multiple terminals of attending a meeting, for example a company has 15 and does
At thing, there are a sub-venue, the corresponding terminal of attending a meeting of each sub-venue in each office.Pacified according to the meeting affairs of the said firm
Row, setting office A are main meeting-place, remaining 14 office is sub-venue, and office A is set as chairman, can
Control is possessed to entire meeting, the right to speak for authorizing and cancelling other sub-venues can be forced.According to meeting affairs arrangement, remaining 14
2 in a office are Executive Council sub-venue, and 4 are conference on production sub-venue, and 8 are to manage sub-venue.Conference control
Client sets 4 different display patterns according to meeting affairs arrangement, and sends different display moulds for different terminals of attending a meeting
Formula instruction.The wherein corresponding display pattern flag bit of each display pattern.
S602: for different display patterns, the corresponding terminal of attending a meeting of the display pattern is selected, and pass through view the Internet services
Display pattern instruction is sent to corresponding terminal of attending a meeting by device.
For example, above-mentioned office A is main meeting-place, the display pattern that Conference control client is sent is that 16 windows are shown
Mode, in conjunction with shown in Fig. 6 A, main window is two, a display main meeting-place panoramic video, the spokesman of a display speaking party
Feature video, secondary window show the panoramic video of remaining 14 sub-venue.
For above-mentioned 2 Executive Council sub-venues, the display pattern that Conference control client is sent is that 4 windows show mould
Formula, in conjunction with shown in Fig. 6 B, a display main meeting-place panoramic video, spokesman's feature video of a display speaking party, remaining two
A panoramic video for showing 2 Executive Council sub-venues respectively.
For above-mentioned 4 conference on production sub-venues, the display pattern that Conference control client is sent is that 6 windows show mould
Formula, in conjunction with shown in Fig. 6 C, a display main meeting-place panoramic video, spokesman's feature video of a display speaking party, remaining four
A panoramic video for showing 4 conference on production sub-venues respectively.
Sub-venue is managed for above-mentioned 8, the display pattern that Conference control client is sent is 10 window display patterns,
In conjunction with shown in Fig. 6 D, a display main meeting-place panoramic video, spokesman's feature video of a display speaking party, remaining eight points
It Xian Shi not 8 panoramic videos for managing sub-venue.
Above-mentioned example is only a kind of specific example of the embodiment of the present invention, and the embodiment of the present invention is arranged in specific display pattern
It is not limited.
S603: the terminal of attending a meeting receives the display pattern instruction, carries out window according to the display pattern marker
Initialization and window arrangement, and the decoding for corresponding to video flowing identity is configured for each window according to first mapping table
Device.
Terminal of attending a meeting receives the display pattern instruction that Conference control client is sent, and corresponding according to display pattern flag bit
Display pattern carry out window initialization and window arrangement, for example window initialization and window arrangement are carried out according to step S602.
It is the decoder that each window configures corresponding video flowing identity according to the first mapping table.
S604: Conference control client sends the first video flowing scheduling request to regarding networked server；First video
Scheduling request includes: the speaking party's identity video flowing identity mark corresponding with the speaking party of the terminal of attending a meeting of terminal of attending a meeting
Know.
In a particular application, because in video conference, there can be multiple speaking party, each speaking party corresponding one is attended a meeting
Terminal, a terminal of attending a meeting can have multi-path video stream acquisition, and carry out Video coding to the video flowing of acquisition.Therefore for every
One speaking party, identity and the identity corresponding video flowing identity of the Conference control client by the speaking party
Video flowing scheduling request be sent to view networked server.
Wherein it should be noted that in the embodiment of the present invention statement of all " first " and " second " used be for
The non-equal entity of two same names or non-equal parameter are distinguished, therefore, " first " is intended merely to the convenience of statement, does not answer
It is interpreted as the restriction to the embodiment of the present invention.
Preferably, step S604 includes:
Sub-step S6041: the speaking party of the terminal of attending a meeting is the terminal of arbitrarily attending a meeting of Conference control client setting.
S605: by it is described depending on networked server according to the first video flowing scheduling request by the speech of the terminal of attending a meeting
The corresponding video flowing in side is scheduled to the terminal of attending a meeting.
The video flowing scheduling request that Conference control client is sent is received depending on networked server, and according in scheduling request
The corresponding video flowing of the speaking party is scheduled to by the identity of speaking party video flowing identity corresponding with the identity
It attends a meeting terminal.
S606: the video flowing received is dispatched to and the video flowing by the terminal of attending a meeting according to first mapping table
The corresponding decoder of video flowing identity in be decoded.
Terminal of attending a meeting according to the mapping table in the first mapping table between video flowing identity and window identity,
The video flowing identity that received speaking party's video flowing depending on networked server scheduling is dispatched to the video flowing is corresponding
It is decoded in decoder.
S607: the terminal of attending a meeting shows the decoded video flowing in respective window.
The embodiment of the present invention includes following advantages:
Application view networking of the embodiment of the present invention supports the characteristic of extensive video real-time exchange, Conference control client that will join
The video flowing of meeting terminal speaking party is scheduled to each terminal of attending a meeting, and will be sent out by attending a meeting terminal according to display pattern and the first mapping table
The video flowing of Yan Fang is dispatched in different decoders and decodes and show, realizes and carries out extensive video council in depending on networking
View, and the video conference is managed, dispatches and is shown solve and cause long distance since outlet's Regional Distribution is relatively wide
The problem of communication disorders, is discussed in defection, improves office efficiency.According to meeting affairs arrangement, Conference control client sets different displays
Mode, and according to actual needs, the different display modes instruction of setting is sent to corresponding terminal of attending a meeting, this method can expire
The demand classified according to meeting subject under discussion to terminal of attending a meeting in the extensive video conference of foot, guarantee information transmitting confidentiality and
High efficiency.
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, a kind of structural block diagram of the system embodiment one of video dispatching of the invention is shown, which can be with
Applied in view networking, following module can specifically include:
Display pattern instruction sending module 701, terminal initialization of attending a meeting module 702, video flowing scheduler module 703, video
Flow display module 704.
The interactive relation between the function and each module of modules is described in detail below.
Wherein Conference control client includes: display pattern instruction sending module 701, video flowing scheduler module 703；
Terminal of attending a meeting includes: attend a meeting terminal initialization module 702, video flowing display module 704.
Display pattern instruction sending module 701: for Conference control client by regarding networked server for display pattern
Instruction is sent to terminal of attending a meeting；The display pattern instruction includes: display pattern marker and the first mapping table；Described first reflects
Mapping table of the firing table between video flowing identity and window identity.
Terminal initialization of attending a meeting module 702: the display pattern instruction is received for the terminal of attending a meeting, according to described aobvious
Show that pattern identification position carries out window initialization and window arrangement, and is that the configuration of each window is corresponding according to first mapping table and regards
Frequency flows the decoder of identity.
Video flowing scheduler module 703: it will attend a meeting terminal for being passed through by the Conference control client depending on networked server
In the video flowing of speaking party be scheduled to the recipient specified in the terminal of attending a meeting.
Video flowing display module 704: it is dispatched to and the video flowing for the video flowing that terminal will receive of attending a meeting
The corresponding decoder of video flowing identity in be decoded to be shown in respective window.
The embodiment of the present invention includes following advantages:
Application view networking of the embodiment of the present invention supports the characteristic of extensive video real-time exchange, Conference control client that will join
The video flowing of meeting terminal speaking party is scheduled to each terminal of attending a meeting, and will be sent out by attending a meeting terminal according to display pattern and the first mapping table
The video flowing of Yan Fang is dispatched in different decoders and decodes and show, realizes and carries out extensive video council in depending on networking
View, and the video conference is managed, dispatches and is shown solve and cause long distance since outlet's Regional Distribution is relatively wide
The problem of communication disorders, is discussed in defection, and can guarantee specific aim, confidentiality and the high efficiency of information transmitting, improves office efficiency.
Referring to Fig. 8, a kind of structural block diagram of the system embodiment two of video dispatching of the invention is shown, which can be with
Applied in view networking, following module can specifically include:
Display pattern instruction sending module 801, terminal initialization of attending a meeting module 802, video flowing scheduler module 803, video
Flow display module 804.
The interactive relation between the function and each module of modules is described in detail below.
Wherein Conference control client includes: display pattern instruction sending module 801, video flowing scheduler module 803；
Terminal of attending a meeting includes: attend a meeting terminal initialization module 802, video flowing display module 804.
Display pattern instruction sending module 801 includes:
Display pattern sets submodule 8011: for according to meeting affairs arrangement, Conference control client to set different displays
Mode.
Different display modes instruct sending submodule 8012: for being directed to different display patterns, selecting the display pattern
Corresponding terminal of attending a meeting, and by the way that display pattern instruction is sent to corresponding terminal of attending a meeting depending on networked server.
Video flowing scheduler module 803 includes:
Video flowing scheduling request sending submodule 8031: the first video flowing scheduling request is sent for Conference control client
To view networked server；First video dispatching request includes: attend a meeting the speaking party's identity and the terminal of attending a meeting of terminal
The corresponding video flowing identity of speaking party.
Video flowing dispatching response submodule 8032: for being dispatched by the view networked server according to first video flowing
The corresponding video flowing of speaking party of the terminal of attending a meeting is scheduled to the terminal of attending a meeting by request.
Preferably, video flowing scheduler module 803 further include:
Speaking party's setup module 8033: the speaking party for the terminal of attending a meeting is any of Conference control client setting
It attends a meeting terminal.
Video flowing display module 804 includes:
Decoding video stream submodule 8041: the video that will be received for the terminal of attending a meeting according to first mapping table
Stream is dispatched in the corresponding decoder of the video flowing identity with the video flowing and is decoded.
Video flowing display sub-module 8042: for the terminal of attending a meeting by the decoded video flowing in respective window
Display.
The embodiment of the present invention includes following advantages:
Application view networking of the embodiment of the present invention supports the characteristic of extensive video real-time exchange, Conference control client that will join
The video flowing of meeting terminal speaking party is scheduled to each terminal of attending a meeting, and will be sent out by attending a meeting terminal according to display pattern and the first mapping table
The video flowing of Yan Fang is dispatched in different decoders and decodes and show, realizes and carries out extensive video council in depending on networking
View, and the video conference is managed, dispatches and is shown solve and cause long distance since outlet's Regional Distribution is relatively wide
The problem of communication disorders, is discussed in defection, improves office efficiency.According to meeting affairs arrangement, Conference control client sets different displays
Mode, and according to actual needs, the different display modes instruction of setting is sent to corresponding terminal of attending a meeting, this method can expire
The demand classified according to meeting subject under discussion to terminal of attending a meeting in the extensive video conference of foot, guarantee information transmitting confidentiality and
High efficiency.
For device embodiment, 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.
The device of method to a kind of video dispatching provided by the present invention and video dispatching above, has carried out detailed Jie
It continues, used herein a specific example illustrates the principle and implementation of the invention, and the explanation of above embodiments is only
It is to be used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, according to this hair
Bright thought, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not manage
Solution is limitation of the present invention.
Claims (6)
1. a kind of method of video dispatching, which is characterized in that the method is applied in view networking, comprising:
Conference control client, which passes through, is sent to terminal of attending a meeting for display pattern instruction depending on networked server；The display pattern refers to
Order includes: display pattern marker and the first mapping table；First mapping table is video flowing identity and window identity mark
Mapping table between knowledge；
The Conference control client, which is instructed display pattern by view networked server, to be sent to the step of attending a meeting terminal and includes:
According to meeting affairs arrangement, Conference control client sets different display patterns；For different display patterns, the display mould is selected
The corresponding terminal of attending a meeting of formula, and by the way that display pattern instruction is sent to corresponding terminal of attending a meeting depending on networked server；
The terminal of attending a meeting receives the display pattern instruction, carries out window initialization and window according to the display pattern marker
Mouth arrangement, and the decoder for corresponding to video flowing identity is configured for each window according to first mapping table；
Passed through by the Conference control client and the video flowing of the speaking party in terminal of attending a meeting is scheduled to institute depending on networked server
State the recipient specified in terminal of attending a meeting；
The video flowing that terminal will receive of attending a meeting is dispatched to the corresponding decoding of the video flowing identity with the video flowing
It is decoded in device to be shown in respective window；
Described passed through by the Conference control client dispatches the video flowing of the speaking party in terminal of attending a meeting depending on networked server
Include: to the step of recipient specified in the terminal of attending a meeting
Conference control client sends the first video flowing scheduling request to regarding networked server；The first video dispatching request packet
It includes: the speaking party's identity for terminal of attending a meeting video flowing identity corresponding with the speaking party of the terminal of attending a meeting；
By described according to the first video flowing scheduling request that the speaking party of the terminal of attending a meeting is corresponding depending on networked server
Video flowing is scheduled to the terminal of attending a meeting.
2. the method according to claim 1, wherein the video flowing that terminal will receive of attending a meeting be dispatched to
The step of being decoded in the corresponding decoder of video flowing identity of the video flowing to show in respective window include:
The video flowing received is dispatched to the video flowing with the video flowing according to first mapping table by the terminal of attending a meeting
It is decoded in the corresponding decoder of identity；
The terminal of attending a meeting shows the decoded video flowing in respective window.
3. the method according to claim 1, wherein the speaking party of the terminal of attending a meeting is Conference control client
The terminal of arbitrarily attending a meeting being arranged.
4. a kind of system of video dispatching, which is characterized in that the system is applied in view networking, comprising:
Display pattern instruction sending module: display pattern is instructed by view networked server for Conference control client and is sent
To terminal of attending a meeting；The display pattern instruction includes: display pattern marker and the first mapping table；First mapping table is view
Mapping table between frequency stream identity and window identity；
Terminal initialization of attending a meeting module: the display pattern instruction is received for the terminal of attending a meeting, according to the display pattern
Marker carries out window initialization and window arrangement, and configures corresponding video flowing body according to first mapping table for each window
The decoder of part mark；
Video flowing scheduler module: for being passed through depending on networked server by the Conference control client by the speech in terminal of attending a meeting
The video flowing of side is scheduled to the recipient specified in the terminal of attending a meeting；
Video flowing display module: the video flowing with the video flowing is dispatched to for the video flowing that terminal will receive of attending a meeting
It is decoded in the corresponding decoder of identity to be shown in respective window；
Wherein, the display pattern instruction sending module includes:
Display pattern sets submodule: for according to meeting affairs arrangement, Conference control client to set different display patterns；
Different display modes instruct sending submodule: for being directed to different display patterns, selecting the corresponding ginseng of the display pattern
Meeting terminal, and by the way that display pattern instruction is sent to corresponding terminal of attending a meeting depending on networked server；
The video flowing scheduler module includes:
Video flowing scheduling request sending submodule: for Conference control client send the first video flowing scheduling request to regard networking
Server；First video dispatching request include: attend a meeting terminal speaking party's identity and the speaking party of the terminal of attending a meeting
Corresponding video flowing identity；
Video flowing dispatching response submodule: for by the view networked server according to the first video flowing scheduling request by institute
The corresponding video flowing of speaking party for stating terminal of attending a meeting is scheduled to the terminal of attending a meeting.
5. system according to claim 4, which is characterized in that the video flowing display module includes:
Decoding video stream submodule: the video flowing received is dispatched to according to first mapping table for the terminal of attending a meeting
It is decoded in decoder corresponding with the video flowing identity of the video flowing；
Video flowing display sub-module: the decoded video flowing is shown in respective window for the terminal of attending a meeting.
6. system according to claim 4, which is characterized in that the video flowing scheduler module further include:
Speaking party's setup module: the speaking party for the terminal of attending a meeting is arbitrarily attending a meeting end for Conference control client setting
End.
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| CN110971860B (en) * | 2018-09-28 | 2022-06-28 | 华为技术有限公司 | Display method and device |
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| CN109218653B (en) * | 2018-09-30 | 2021-03-19 | 广州视源电子科技股份有限公司 | Multi-window display method, device, equipment and system for video conference |
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