CN107979563B - A kind of information processing method and device based on view networking - Google Patents

A kind of information processing method and device based on view networking Download PDF

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Publication number
CN107979563B
CN107979563B CN201610921326.7A CN201610921326A CN107979563B CN 107979563 B CN107979563 B CN 107979563B CN 201610921326 A CN201610921326 A CN 201610921326A CN 107979563 B CN107979563 B CN 107979563B
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China
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information stream
ethernet
networked terminals
view
depending
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CN107979563A (en
Inventor
牛永会
王艳辉
杨春晖
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Hainan Qiantang Shilian Information Technology Co.,Ltd.
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Visionvera Information Technology Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60Network streaming of media packets
    • H04L65/75Media network packet handling
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/14Systems for two-way working
    • H04N7/15Conference systems

Abstract

The present invention provides a kind of information processing methods based on view networking, include the first the second view networked terminals for regarding networked terminals, being connected with first depending on networked terminals depending on networking, first is communicated depending on networked terminals with ethernet terminal;The described method includes: receiving the second view networked terminals passes through the first information stream of view networking protocol output;Change first information circulation into the first standard information stream that Ethernet protocol can identify;The first standard information stream is sent in ethernet terminal, the ethernet terminal is for storing the first standard information stream.The present invention is being changed into the process of Ethernet the first standard information stream depending on networking first information circulation and by the first standard information stream storing process, is not being needed to be achieved that using video and audio capture card, at low cost.

Description

A kind of information processing method and device based on view networking
Technical field
The present embodiments relate to view networking technology fields, more particularly to a kind of information processing method based on view networking And device.
Background technique
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 Ethernet 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 (Video On Demand, video on demand techniques), TV Mail, individual character recording, Intranet (managing by oneself) frequency The services such as tens of kinds of videos, voice, picture, text, communication, the data such as road, intelligent video Broadcast Control, information publication are all integrated In a system platform, realize that high-definition quality video plays by TV or computer.
In the prior art, the processing of view networked information is carried out in the following way:
(1) video/audio signal capture card is inserted into common pc or special purpose workstation;
(2) video/audio signal the output depending on networking is linked into capture card;
(3) video/audio is read from capture card;
(4) it is written in storage medium.
The shortcomings that this scheme is to need to buy individual video and audio capture card, and cost is relatively high, while video and audio acquires Card limited amount, amount of acquisition channels is few, and when the view networked resources if necessary to save separate sources, needs frequently to plug manually and adopt Truck, operating process is cumbersome, and error rate is high.
Summary of the invention
To solve the above-mentioned problems, described the embodiment of the invention discloses a kind of information processing method based on view networking Depending on networking include the first view networked terminals and, second to be connected with the described first view networked terminals regards networked terminals, described the One is communicated depending on networked terminals with ethernet terminal;The described method includes:
It receives the second view networked terminals and passes through the first information stream of view networking protocol output;
Change first information circulation into the first standard information stream that Ethernet protocol can identify;
The first standard information stream is sent in ethernet terminal, the ethernet terminal is for storing described first Standard information stream.
The embodiment of the invention also discloses a kind of information processing unit based on view networking, the view networking includes the first view Networked terminals and, with described first depending on networked terminals be connected second view networked terminals, it is described first view networked terminals with Too network termination is communicated;Described device includes:
First information stream receiving module passes through the first information of view networking protocol output for receiving the second view networked terminals Stream;
First information stream conversion module, first for changing first information circulation into Ethernet protocol can identify Standard information stream;
First standard information stream sending module, for the first standard information stream to be sent in ethernet terminal, institute Ethernet terminal is stated for storing the first standard information stream.
The embodiment of the present invention includes following advantages:
1, at low cost
The present invention is changing the process of Ethernet the first standard information stream into depending on networking first information circulation, is believing the first standard It in breath stream storing process, and is sent to and is regarded in networking process in Ethernet the second standard information stream, all do not need using view sound Frequency capture card achieves that.
By the way of video and audio capture card, third-party view sound is also purchased other than a pc or acquisition workstation Frequency capture card, and a pc or acquisition workstation are then only needed using the present invention, remaining function all uses software realization, from And cost can be reduced.
2, structure is simple
Software configuration is simple: needing to install third-party driving or SDK using the mode of video and audio capture card, in this base Exploitation reads video and audio and the function of disk is written on plinth;And the present invention does not depend on third party library then, eliminates study and calls the The cost of three-party library reduces the complexity of realization.
What the present invention used first directly obtains multi-medium data from depending on networking depending on networked terminals, and is adopted using video and audio The mode of truck needs to obtain multi-medium data from HDMI or the VGA output depending on true terminal of networking, in order to use video and audio Capture card obtains the video/audio in the HDMI or VGA of terminal output, it is necessary to install capturing card driver and be opened according to driving SDK Then the program for sending out special could obtain the multi-medium data of needs from capture card.
Hardware configuration is simple: the correspondence for needing special physical cord to be inserted into capture card using video and audio capture card mode is logical Plug video and audio line manually is needed in road, when switching multi-media source, when needing to handle multiple terminal multi-media data, very Fault and complicated for operation is easily caused, and switch speed is slow, it cannot achieve continuous seamless switching, and then only needed using the present invention It is inserted into a cable connection, then can be realized first depending on the change of networked terminals adjustment instruction, eliminate plug, switching etc. Operation, structure is simple, and switching precision height is, it can be achieved that continuous seamless switching.
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 information processing method embodiment based on view networking of the invention;
Fig. 6 is a kind of step flow chart of information processing method embodiment based on view networking of the invention;
Fig. 7 is that one kind first of the invention regards networked terminals access view networking flow chart;
Fig. 8 is a kind of information processing unit structural schematic diagram based on view networking 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 Ethernet 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.Depending on network be Ethernet more advanced form, be a real-time exchange platform, can be realized at present with The too the whole network large-scale high-definition realtime video transmission that cannot achieve of net pushes numerous network video applications to high Qinghua, unitized.
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 ad eundem IP Ethernet, 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 Ethernet 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 association turns 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 and audio compile transcoding 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:
DA SA Reserved Payload CRC
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:
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, by the first view networked terminals receive view network export depending on the information flow that includes in networking protocol, and by this information flow Change the standard information stream that can be identified in Ethernet field into, or by the first view networked terminals receive Ethernet output with The standard information stream for including in fidonetFido very much, and this information flow is changed into depending on the information flow that can be identified of networking, to realize Depending on the interaction and application between networked information stream and Ethernet information flow.
Referring to Fig. 5, a kind of flow chart based on the information processing method for regarding networking of first embodiment of the invention is shown, View networking include the first view networked terminals and, second to be connected with the described first view networked terminals regards networked terminals, institute First is stated to be communicated depending on networked terminals with ethernet terminal;
The embodiment of the present invention can specifically include following steps:
Step 501 receives the first information stream that the second view networked terminals are exported by view networking protocol;
Step 502 changes first information circulation into the first standard information stream that Ethernet protocol can identify;
The first standard information stream is sent in ethernet terminal by step 503, and the ethernet terminal is for storing The first standard information stream.
In embodiments of the present invention, the present invention passes through view networking by first view networked terminals the second view networked terminals of reception The first information stream of agreement output, is then converted into the first standard information stream that Ethernet protocol can identify, finally by this One standard information stream is sent to ethernet terminal, realizes the storing process of first information stream in view networking.
The process of Ethernet the first standard information stream is being changed into and by the first standard information depending on networking first information circulation It flows in storing process, does not need to achieve that using video and audio capture card, it is low in cost.
Further, when view networked information stream for needing to save multiple and different sources, the embodiment of the present invention only need to be First can be realized depending on the change of networked terminals adjustment instruction, the physical cord without plugging video and audio capture card manually, so that The embodiment of the present invention has easy to operate, using flexible, the advantages such as not easy to make mistakes.
Referring to Fig. 6, a kind of flow chart of information processing method based on view networking of second embodiment of the invention is shown, View networking include the first view networked terminals and, second to be connected with the described first view networked terminals regards networked terminals, institute First is stated to be communicated depending on networked terminals with ethernet terminal;The embodiment of the present invention can specifically include following steps:
Step 601 receives the first information stream that the second view networked terminals are exported by view networking protocol;
In the concrete realization, second depending on networked terminals can be view networking one of terminal device, may include but It is not limited to box etc. on set-top box or machine.
Second view networked terminals are used to export first information stream to the first view networked terminals, one as the embodiment of the present invention Kind preferable example, first information stream can include but is not limited to the first multi-medium data, html (Hypertext Marked Language, hypertext markup language) page, text file, control instruction, inquiry instruction etc..Wherein, the first multi-medium data It can include but is not limited to video data, audio data, image data.
Applied to the embodiment of the present invention, first can be the virtual terminal in access view networking depending on networked terminals, virtual whole End refers to a kind of special software, it can create a kind of environment between terminal and terminal user, and terminal user is then base Carry out operating software in the environment that this software is created, virtual terminal can run the soft of the terminal of program as real machine Part is realized.
In the concrete realization, as shown in fig. 7, first can access view networking depending on networked terminals in the following way:
S11: node server sends inquiry packet to each port, and (the i.e. first view networked terminals, first regard connection before this to terminal Network termination is registered in node server) receive inquiry packet after send response bag, comprising terminal in the response bag Registration information;
S12: which port node server is known that under after receiving the response bag of terminal sending and has connect which kind of terminal (machine top Box, encoding board or memory), the information of the terminal is then found in the Registry inside node server, to this Terminal sends the order (the access net address for telling terminal) that networks, and terminal just networks after receiving networking order, while to node Server sends networking command response;
S13: the networking command response that node server receives terminal sending is known that this terminal has networked, Yi Houding When to this port send status inquiry packet, check terminal whether work normally.If terminal works normally, status inquiry is received Bao Houhui sends status inquiry response to node server.It is answered when node server does not receive status inquiry within for a period of time It answers, is considered as this terminal and has been removed from network, do not retransmit status inquiry packet, continue to send inquiry packet to the port.
Since then, access procedure is completed.
It after first accesses to depending on networked terminals view networking, can be communicated with second depending on networked terminals, reception the The first information stream of two view networked terminals outputs.
In the concrete realization, networking is regarded as the network with centralized control functions, including main control server and undernet Equipment, the undernet equipment include view networked terminals, which includes node server, are based on this, the first view connection Network termination can be communicated with second depending on networked terminals in the following way:
Main control server configuration is when time downstream communications link of service;Source terminal (the i.e. first view networked terminals) is sent When the data packet (i.e. first information stream) of secondary service, being sent to purpose terminal according to the downstream communications link, (the i.e. second view joins Network termination).I.e. by notifying switching equipment to match table for time downstream communications link of service is worked as by main control server, it is then based on The table of the configuration carries out the transmission of data packet.
Specifically, configuring when time downstream communications link of service includes: that notice is worked as involved by time downstream communications link of service And switching equipment match 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, the main control server configuration is when time downlink communication chain of service The step of road, may comprise steps of:
Sub-step S21: the service request protocol package that main control server is initiated according to source terminal is 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 S22: downstream communication ports information of the main control server according to control server, data packet inside it The downlink port that setting is oriented to when time data packet of service in the table of location;And believe according to the downstream communication ports of access switch Breath, to corresponding access switch sending port configuration order;
Sub-step S23: in the data packet addressed table of access switch foundation port configuration command inside it, setting is when secondary The downlink port that the data packet of service is oriented to.
For the Multicast Communication Service in access net, main control server obtains the downstream communications link letter when time service The step of breath may include following sub-step:
Sub-step S31: main control server obtains 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 S32: main control server according to the service number in preset content-address mapping table, extraction source The access net address of terminal;
Sub-step S33: 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.
Applied to the embodiment of the present invention, first information stream is the data packet by assembling depending on networking protocol specification.
It as an example, may include 2000 agreements, 2001 agreements, 8f85 agreement etc., every kind of agreement depending on networking protocol With corresponding protocol architecture, different instruction and datas is transmitted.
For example, being directed to video data, can be transmitted using 2000 agreements;For audio data, 2001 can be used Agreement is transmitted.
The protocol specification of 2000 agreements and 2001 agreements is illustrated respectively in the following table 1 and table 2:
Table 1
Table 2
Step 602 changes first information circulation into the first standard information stream that Ethernet protocol can identify;
In practical applications, the first function that can serve as protocol converter depending on networked terminals, wherein protocol conversion is one Kind mapping, is exactly mapped as (or event) sequence of receiving and sending messages of a certain agreement the sequence of receiving and sending messages of another agreement.It needs The information of mapping is important information, therefore protocol conversion can be regarded as the mapping between the important information of two agreements.It is so-called Important information and insignificant information are in contrast, to be determined according to specific needs, and different important informations is selected to make Mapping, can obtain different converters.
Applied to the embodiment of the present invention, since first information stream is according to view networking protocol encapsulated delivery, Ethernet is whole End cannot identify, so needing first to be converted into the data that ethernet terminal can identify depending on networked terminals.
In a preferred embodiment of an embodiment of the present invention, step 602 may include following sub-step:
S41: first multi-medium data is extracted from the first information stream;
After first receives first information stream depending on networked terminals, the first multimedia number can be extracted from first information stream According to for example, in table 1 above, video data can be extracted from 15-526w field;It, can be from 15-46w in above-mentioned table 2 Audio data is extracted in field.
S42: by first multi-medium data according to the first packet structure indicated by the Ethernet protocol, by institute It states the first multi-medium data to be added in first packet structure, generates the first standard information stream;
It, can be according to standard after first will extract depending on networked terminals and extract the first multi-medium data from first information stream Ethernet protocol (such as udp protocol, User Datagram Protocol, User Datagram Protocol) specification, more than first Media data is packaged into the first standard information stream, which is the data that ethernet terminal can identify.
The first standard information stream is sent in ethernet terminal by step 603, and the ethernet terminal is for storing The first standard information stream;
In practice, first the communication with ethernet terminal can also be realized depending on networked terminals, this communication process is main It is realized by turning gateway depending on the Ethernet association in networking, in view networking, Ethernet association turns gateway and is located at access mesh portions, can be with It is connected with access switch, can also be directly connected with node server.In ethernet networks, Ethernet association turns gateway and standard Ethernet switch is connected, and Ethernet switch is connected to ethernet terminal,
Ethernet association turns gateway accessing view networking, obtains Ethernet association from the node server with centralized control functions and turns The MAC Address of gateway and Ethernet association turn the terminal MAC address registered under gateway.View networking is received when Ethernet association turns gateway When the data packet or protocol package sent, MAC Address and mesh that Ethernet association turns gateway are added in the data packet or protocol package The MAC Address for marking terminal, is then sent to Ethernet, is transmitted in ethernet networks using Ethernet protocol;When Ethernet, association turns When gateway receives data packet or protocol package that Ethernet is sent, removes Ethernet association in the data packet or protocol package and turn gateway Then the MAC Address of MAC Address and source terminal is sent to view networking, transmitted in depending on networking using depending on networking protocol.
Wherein, the terminal of the registration and source terminal follow view networking protocol, in this way, registration terminal and source terminal both can be with Enter Ethernet by MAC Address, and view networking can be entered and following view networking protocol, to realize two kinds of inhomogeneities The compatible transmission of type network.
In the concrete realization, first will be able to include the first multi-medium data with above-mentioned communication process depending on networked terminals The first standard information stream be sent to ethernet terminal, after ethernet terminal receives the first standard information stream, by this first Standard information stream is stored in a storage medium, wherein the storage medium may include hard disk, RADI (Redundant array Of independent disks, redundant array of independent disks), IPSAN (Internet protocol storage area Network, Internet Protocol storage area network) etc., the invention is not limited in this regard.
Bridge of the first view networked terminals as connection view networking and Ethernet, not only can be by the first information of view networking Circulation changes the first standard information stream into and is saved in ethernet networks, and the second standard information stream can also be received from Ethernet, It is then converted into the second information flow to be transferred in view networking, therefore, in one embodiment, the embodiment of the present invention can also wrap Include following steps:
Step 604 receives the second standard information stream that ethernet terminal is exported by Ethernet protocol;
In the concrete realization, the second standard information stream can include but is not limited to the second multi-medium data, the html page, text This document, control instruction, inquiry instruction etc..Wherein, the second multi-medium data can include but is not limited to video data, audio number According to, image data.
The second standard information stream is packaged according to Ethernet protocol (such as udp protocol).
Step 605 changes second standard information circulation into can identify depending on networking protocol the second information flow;
After first receives the second standard information stream depending on networked terminals, these information are because be according to Ethernet Protocol encapsulation transmission, it is common to be identified depending on networked terminals, so the first view networked terminals is needed to network according to view After conversion process, output joins agreement (such as above-mentioned 2000 agreements and 2001 agreements) comprising the view of second information flow FidonetFido.
In a preferred embodiment of an embodiment of the present invention, the second standard information stream includes the second multimedia number According to step 605 may include following sub-step:
S51: second multi-medium data is extracted from the second standard information stream;
In the concrete realization, first receive the second standard information stream depending on networked terminals after, can be from the second standard information The second multi-medium data is extracted in stream, for example, extracting second multi-medium datas such as video and the audio data in Ethernet protocol.
S52: by second multi-medium data according to the second packet structure indicated by the view networking protocol, by institute It states the second multi-medium data to be added in second packet structure, generates the second information flow;
It, can be according to view networking protocol (such as 2000 agreements after first view networked terminals extract the second multi-medium data Or packet structure 2001), the second multi-medium data is packaged, the second information flow is generated.
Step 606 regards second information stream to second in networked terminals.
In the concrete realization, first obtain the second information flow depending on networked terminals after, can be by second information stream Into the second view networked terminals.
In embodiments of the present invention, the present invention passes through view networking by first view networked terminals the second view networked terminals of reception The first information stream of agreement output, is then converted into the first standard information stream that Ethernet protocol can identify, finally by this One standard information stream is sent to ethernet terminal, realizes the storing process of first information stream in view networking.
Further, the present invention receive that ethernet terminal is exported by Ethernet protocol by the first view networked terminals the Two standard information streams are then converted into the second information flow that can be identified depending on networking protocol, finally send out second information flow It send into the second view networked terminals, realizes that the second information stream is into view networking in Ethernet.
The embodiment of the present invention has the following beneficial effects:
1, at low cost
The present invention is changing the process of Ethernet the first standard information stream into and in Ethernet depending on networking first information circulation Second standard information stream is sent in view networking process, does not all need to achieve that using video and audio capture card.
By the way of video and audio capture card, third-party view sound is also purchased other than a pc or acquisition workstation Frequency capture card, and a pc or acquisition workstation are then only needed using the present invention, remaining function all uses software realization, from And cost can be reduced.
2, structure is simple
Software configuration is simple: needing to install third-party driving or SDK using the mode of video and audio capture card, in this base Exploitation reads video and audio and the function of disk is written on plinth;And the present invention does not depend on third party library then, eliminates study and calls the The cost of three-party library reduces the complexity of realization.
What the present invention used first directly obtains multi-medium data from depending on networking depending on networked terminals, and is adopted using video and audio The mode of truck needs to obtain multi-medium data from HDMI or the VGA output depending on true terminal of networking, in order to use video and audio Capture card obtains the video/audio in the HDMI or VGA of terminal output, it is necessary to install capturing card driver and be opened according to driving SDK Then the program for sending out special could obtain the multi-medium data of needs from capture card.
Hardware configuration is simple: the correspondence for needing special physical cord to be inserted into capture card using video and audio capture card mode is logical Plug video and audio line manually is needed in road, when switching multi-media source, when needing to handle multiple terminal multi-media data, very Fault and complicated for operation is easily caused, and switch speed is slow, it cannot achieve continuous seamless switching, and then only needed using the present invention It is inserted into a cable connection, then can be realized first depending on the change of networked terminals adjustment instruction, eliminate plug, switching etc. Operation, structure is simple, and switching precision height is, it can be achieved that continuous seamless switching.
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. 8, a kind of information processing unit structural representation based on view networking of third embodiment of the invention is shown Figure, view networking include the first view networked terminals and, second to be connected with the described first view networked terminals regard network it is whole End, described first is communicated depending on networked terminals with ethernet terminal;The embodiment of the present invention can specifically include following module:
First information stream receiving module 701, for receiving the second view networked terminals by the first of view networking protocol output Information flow;
First information stream conversion module 702, for changing first information circulation into Ethernet protocol can identify First standard information stream;
First standard information stream sending module 703, for the first standard information stream to be sent in ethernet terminal, The ethernet terminal is for storing the first standard information stream.
In a preferred embodiment of an embodiment of the present invention, described device further include:
Second standard information stream receiving module, the second standard exported for receiving ethernet terminal by Ethernet protocol Information flow;
Second standard information stream conversion module can be known for changing into second standard information circulation depending on networking protocol Other second information flow;
Second information stream module, for regarding second information stream to second in networked terminals.
In a preferred embodiment of an embodiment of the present invention, the first information stream includes the first multi-medium data, institute Stating first information stream conversion module includes:
First information stream extracting sub-module, for extracting first multi-medium data from the first information stream;
First standard information stream generates submodule, is used for first multi-medium data according to the Ethernet protocol institute The first packet structure indicated, first multi-medium data is added in first packet structure, generates first Standard information stream.
In a preferred embodiment of an embodiment of the present invention, the second standard information stream includes the second multimedia number According to the second standard information stream conversion module includes:
Second standard information stream extracting sub-module, for extracting second multimedia from the second standard information stream Data;
Second information flow generates submodule, is used for second multi-medium data according to indicated by the view networking protocol The second packet structure, second multi-medium data is added in second packet structure, generate the second information Stream.
In a preferred embodiment of an embodiment of the present invention, described first includes virtual terminal depending on networked terminals, is passed through Access net accesses in the view networking.
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.
Above to a kind of information processing method and device based on view networking provided by the present invention, detailed Jie has been carried out 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 (8)

1. a kind of information processing method based on view networking, which is characterized in that view networking include first regard networked terminals, with And with described first depending on networked terminals be connected second view networked terminals, it is described first view networked terminals and ethernet terminal into Row communication;Described first depending on networked terminals includes virtual terminal, is accessed during the view networks by access net;The first view connection Network termination turns gateway by Ethernet association and is communicated with the ethernet terminal;The described method includes:
It receives the second view networked terminals and passes through the first information stream of view networking protocol output;
Change first information circulation into the first standard information stream that Ethernet protocol can identify;
The first standard information stream is sent in ethernet terminal, the ethernet terminal is for storing first standard Information flow;
Wherein, it described first is communicated based on communication link with table with described second depending on networked terminals depending on networked terminals.
2. the method according to claim 1, wherein further include:
Receive the second standard information stream that ethernet terminal is exported by Ethernet protocol;
Change second standard information circulation into can identify depending on networking protocol the second information flow;
By second information stream into the second view networked terminals.
3. the method according to claim 1, wherein the first information stream includes the first multi-medium data, institute Stating the step of changing the first standard information stream that Ethernet protocol can identify into that the first information circulates includes:
First multi-medium data is extracted from the first information stream;
By first multi-medium data according to the first packet structure indicated by the Ethernet protocol, more than described first Media data is added in first packet structure, generates the first standard information stream.
4. according to the method described in claim 2, it is characterized in that, the second standard information stream includes the second multimedia number Include: according to, described the step of changing second standard information circulation into can identify depending on networking protocol the second information flow
Second multi-medium data is extracted from the second standard information stream;
By second multi-medium data according to the second packet structure indicated by the view networking protocol, more than described second Media data is added in second packet structure, generates the second information flow.
5. a kind of information processing unit based on view networking, which is characterized in that view networking include first regard networked terminals, with And with described first depending on networked terminals be connected second view networked terminals, it is described first view networked terminals and ethernet terminal into Row communication;Described first depending on networked terminals includes virtual terminal, is accessed during the view networks by access net;The first view connection Network termination turns gateway by Ethernet association and is communicated with the ethernet terminal;Described device includes:
First information stream receiving module passes through the first information stream of view networking protocol output for receiving the second view networked terminals;
First information stream conversion module, for changing first information circulation into the first standard that Ethernet protocol can identify Information flow;
First standard information stream sending module, for the first standard information stream to be sent in ethernet terminal, it is described with Too network termination is for storing the first standard information stream;
Wherein, it described first is communicated based on communication link with table with described second depending on networked terminals depending on networked terminals.
6. device according to claim 5, which is characterized in that further include:
Second standard information stream receiving module, the second standard information exported for receiving ethernet terminal by Ethernet protocol Stream;
The second standard information stream conversion module can be identified for changing into second standard information circulation depending on networking protocol Second information flow;
Second information stream module, for regarding second information stream to second in networked terminals.
7. device according to claim 5, which is characterized in that the first information stream includes the first multi-medium data, institute Stating first information stream conversion module includes:
First information stream extracting sub-module, for extracting first multi-medium data from the first information stream;
First standard information stream generates submodule, is used for first multi-medium data according to indicated by the Ethernet protocol The first packet structure, first multi-medium data is added in first packet structure, generate the first standard Information flow.
8. device according to claim 6, which is characterized in that the second standard information stream includes the second multimedia number According to the second standard information stream conversion module includes:
Second standard information stream extracting sub-module, for extracting the second multimedia number from the second standard information stream According to;
Second information flow generates submodule, for by second multi-medium data according to indicated by the view networking protocol the Second multi-medium data is added in second packet structure by two packet structures, generates the second information flow.
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