CN106550282A - A kind of player method and system of video data - Google Patents
A kind of player method and system of video data Download PDFInfo
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- CN106550282A CN106550282A CN201510595928.3A CN201510595928A CN106550282A CN 106550282 A CN106550282 A CN 106550282A CN 201510595928 A CN201510595928 A CN 201510595928A CN 106550282 A CN106550282 A CN 106550282A
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- server
- video flowing
- video
- network
- playing request
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
- H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
- H04N21/6125—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via Internet
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/21—Server components or server architectures
- H04N21/226—Characteristics of the server or Internal components of the server
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/231—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion
- H04N21/23103—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion using load balancing strategies, e.g. by placing or distributing content on different disks, different memories or different servers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/27—Server based end-user applications
- H04N21/274—Storing end-user multimedia data in response to end-user request, e.g. network recorder
- H04N21/2747—Remote storage of video programs received via the downstream path, e.g. from the server
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/643—Communication protocols
Abstract
The player method and system of a kind of video data are embodiments provided, methods described is applied in networking, and methods described includes：First video flowing is obtained from regarding networked terminals depending on networked server；First video stream is turned into server to association depending on networked server；Association turns server and first video flowing is converted into the second video flowing；Association turns server by second video stream to the recorded broadcast server being located in IP network, is played out with the client being forwarded in IP network.Embodiment of the present invention application regards the characteristic of networking, substantially increases the safety of the communication process under the scenes such as operation, also, substantially increases the simplicity of operation to being scheduled operation depending on networking in IP network.
Description
Technical field
The present invention relates to regard the technical field of networking, more particularly to a kind of player method of video data and
A kind of Play System of video data.
Background technology
With the fast development of the network technology, video teaching is at aspects such as the life of user, work, study
It is widely available.
In communication process, in the application scenarios such as, certain user demonstration operation, generally require and will image
Head is moved, is focused on etc. and operating.
Due to the limitation of Internet protocol, the communication process safety of video is poor, easily by hacker
With the attack of virus, communication is affected, under the scenes such as operation, be likely to result in immeasurable loss.
The content of the invention
In view of the above problems, it is proposed that the embodiment of the present invention overcomes the problems referred to above or extremely to provide one kind
A kind of player method of the video data for partially solving the above problems and a kind of corresponding video data
Play System.
In order to solve the above problems, the embodiment of the invention discloses a kind of player method of video data, institute
The method of stating is applied in networking, and methods described includes：
First video flowing is obtained from regarding networked terminals depending on networked server；
First video stream is turned into server to association depending on networked server；
Association turns server and first video flowing is converted into the second video flowing；
Association turns server by second video stream to the recorded broadcast server being located in IP network, to turn
The client being sent in IP network is played out.
Preferably, it is described regarding networked server from regarding networked terminals obtain the first video flowing the step of it
Before, methods described also includes：
Association turns the first playing request that server receives the teaching server transmission in IP network；
Association turns server and first playing request is converted into the second playing request；
Association turns server and second playing request is sent to regarding networked server.
Preferably, it is described depending on networked server from depending on networked terminals obtain the first video flowing the step of include：
According to the downstream communications link regarding networked terminals configuration, the second playing request is sent to first
Depending on networked terminals；
Receive one or more audio frequency number that will be obtained according to second playing request regarding networked terminals
According to, and, the first video flowing for being packaged into of one or more video data.
Preferably, second playing request includes video signal adjusting parameter, and the video signal is adjusted
Whole parameter is used for adjustment and the first photographic head being connected depending on networked terminals.
Preferably, the step of association turns server first video flowing is converted into the second video flowing
Including：
The first video flowing parameter is extracted from first video flowing；
The first video flowing parameter is mapped as into the second video flowing parameter；
The second video flowing is generated according to the second video flowing parameter.
The client in IP network is preferably located at by the teaching server initiate point in IP network
Request is broadcast, and second video flowing is obtained from the recorded broadcast server in IP network and is played out.
The embodiment of the invention also discloses a kind of Play System of video data, the system is applied to regarding connection
In net, the system includes turning server depending on networked server and association；
It is described to include depending on networked server：
First video flowing acquisition module, for obtaining the first video flowing from regarding networked terminals；
First video stream module, for first video stream is turned server to association；
The association turns server to be included：
Second video flowing modular converter, for first video flowing is converted into the second video flowing；
Second video stream module, for second video stream is extremely located in IP network
Recorded broadcast server, is played out with the client being forwarded in IP network.
Preferably, the association turns server also includes：
Playing request receiver module, first for receiving the teaching server transmission in IP network are broadcast
Put request；
Playing request modular converter, for first playing request is converted into the second playing request；
Playing request sending module, for second playing request is sent to regarding networked server.
Preferably, the first video flowing acquisition module includes：
Playing request issues submodule, for according to regarding networked terminals configuration downstream communications link,
Second playing request is sent to first and regards networked terminals；
Video flowing packing acquisition submodule, asks for receiving to play according to described second depending on networked terminals
Ask acquisition one or more voice data and, first regarding of being packaged into of one or more video data
Frequency flows.
Preferably, second playing request includes video signal adjusting parameter, and the video signal is adjusted
Whole parameter is used for adjustment and the first photographic head being connected depending on networked terminals.
Preferably, the second video flowing modular converter includes：
Video flowing parameter extraction submodule, for the first video flowing ginseng is extracted from first video flowing
Number；
Video flowing parameter mapping submodule, for the first video flowing parameter is mapped as the second video flowing
Parameter；
Video flowing generates submodule, for generating the second video flowing according to the second video flowing parameter.
The client in IP network is preferably located at by the teaching server initiate point in IP network
Request is broadcast, and second video flowing is obtained from the recorded broadcast server in IP network and is played out.
The embodiment of the present invention includes advantages below：
The embodiment of the present invention regarding networked server from regarding networked terminals obtain the first video flowing, by association turn clothes
Business device is converted into the second readable video flowing of recorded broadcast server in IP network, stores to recorded broadcast service
In device, and then it is forwarded to the client in IP network and plays out, characteristic of the application regarding networking, greatly
Improve greatly the safety in the communication process under scene such as operation, also, in IP network to depending on network into
Row scheduling operation, substantially increases the simplicity of operation.
Description of the drawings
Fig. 1 is a kind of networking schematic diagram regarding networking of the present invention；
Fig. 2 is a kind of hardware architecture diagram of node server of the present invention；
Fig. 3 is a kind of hardware architecture diagram of access switch of the present invention；
Fig. 4 is the hardware architecture diagram that a kind of Ethernet association of the present invention turns gateway；
The step of Fig. 5 is a kind of player method embodiment of video data of present invention flow chart；
Fig. 6 is a kind of structured flowchart of the Play System embodiment of video data of the present invention.
Specific embodiment
It is understandable to enable the above objects, features and advantages of the present invention to become apparent from, below in conjunction with the accompanying drawings
The present invention is further detailed explanation with specific embodiment.
It is the important milestone of network Development depending on networking, is a real-time network, HD video can be realized
Real-time Transmission, pushes numerous internet, applications to HD video, and high definition is face-to-face.
Depending on networking using real-time high-definition video switching technology, can be in a network platform by required clothes
Business, such as HD video meeting, video monitoring, Intellectualized monitoring analysis, emergency command, digital broadcasting electricity
Depending on, time delay TV, the Web-based instruction, on-the-spot broadcasting, VOD program requests, TV Mail, individual character record (PVR),
Intranet (managing by oneself) channel, intelligent video Broadcast Control, information issue etc. tens of kinds of videos, voice, picture,
The service such as word, communication, data is all incorporated into a system platform, is realized by TV or computer high
Clear quality video is played.
To make those skilled in the art more fully understand the embodiment of the present invention, below to being situated between depending on networking
Continue：
Depending on networking, applied portion of techniques is as described below：
Network technology (Network Technology)
Network technology innovation depending on networking improves traditional ethernet (Ethernet), to dive on network
Huge video flow.Different from simple network packet packet switch (Packet Switching) or net
Network circuit switching (Circuit Switching), is met using Packet Switching depending on networking technology
Streaming demands.Possess flexible, the simple and low price of packet switch depending on networking technology, be provided simultaneously with
Circuit-switched quality and safety assurance, realize the whole network SVC, and data form
It is seamlessly connected.
Switching technology (Switching Technology)
Depending on networking using two advantages of asynchronous and packet switch of Ethernet, eliminate on the premise of full compatibility
Ethernet defect, possesses the end-to-end seamless connection of the whole network, and direct user terminal directly carries IP data
Bag.User data is not required to any form conversion in network-wide basis.It is the higher level shape of Ethernet depending on networking
State, is a real-time exchange platform, can realize the whole network large-scale high-definition that cannot be realized current the Internet
Numerous Internet video applications are pushed to high Qinghua, are unitized by realtime video transmission.
Server technology (Server Technology)
Traditional server is different from depending on the server technology in networking and unified video platform, it
Streaming media be built upon it is connection-oriented on the basis of, when its data-handling capacity and flow, communication
Between it is unrelated, single network layer can just include signaling and data transfer.For voice and video business,
Depending on networking and complexity that unified video platform Streaming Media is processed is than the simple many of data processing, efficiency is than passing
System server substantially increases more than Radix Achyranthis Bidentatae.
Bin technology (Storage Technology)
Unify the ultrahigh speed bin technology of video platform to adapt to the matchmaker of vast capacity and super-flow
Hold in vivo and employ state-of-the-art real time operating system, the programme information in server instruction is mapped to
Specific hard drive space, media content are no longer pass through server, and moment is directly delivered to user terminal, use
Family waits typical time to be less than 0.2 second.Optimized sector distribution greatly reduces hard disc magnetic head tracking
Mechanical movement, resource consumption only account for the 20% of ad eundem IP the Internets, but produce more than conventional hard battle array
The concurrent flow of 3 times of row, overall efficiency lift more than 10 times.
Network security technology (Network Security Technology)
Depending on network structural design by service every time independent licence system, equipment and user data completely every
From etc. mode from structure thoroughly eradicated puzzlement the Internet network security problem, need not typically kill virus
Program, fire wall, have prevented the attack of hacker and virus, have provided the user structural carefree safety net
Network.
Service innovative technology (Service Innovation Technology)
Business is merged by unified video platform with transmission, and whether unique user, private user be also
It is the sum total of a network, is all only once to connect automatically.User terminal, Set Top Box or PC are direct
Unified video platform is connected to, the multimedia video service of colourful various forms is obtained.Unified video
Platform substitutes traditional complicated applications programming with table schema using " menu type ", it is possible to use considerably less
Code be capable of achieving complicated application, realize the new business innovation of " endless ".
Networking depending on networking is as described below：
A kind of central controlled network structure depending on networking, the network can be Tree Network, Star network,
Ring network etc. type, but it is whole to control to need centralized control node in network on this basis
Network.
As shown in figure 1, being divided into access network and Metropolitan Area Network (MAN) two parts depending on networking.
The equipment for accessing mesh portions can be largely classified into 3 classes：Node server, access switch,
Terminal (includes various Set Top Boxes, encoding board, memorizer etc.).Node server and access switch
It is connected, access switch can be connected with multiple terminals, it is possible to connect Ethernet.
Wherein, node server is the node that centralized control functions are played in access network, can control and accesses
Switch and terminal.Node server directly can be connected with access switch, it is also possible to directly with end
End is connected.
Similar, the equipment of metropolitan area mesh portions can also be divided into 3 classes：Metropolitan area server, node are handed over
Change planes, node server.Metropolitan area server is connected with node switch, and node switch can be with
Multiple node servers are connected.
Wherein, node server had both as accessed the node server of mesh portions, i.e. node server
Belong to access mesh portions, belong to metropolitan area mesh portions again.
Metropolitan area server is the node that centralized control functions are played in Metropolitan Area Network (MAN), can control node switch
And node server.Metropolitan area server can be directly connected to node switch, can also be directly connected to node
Server.
As can be seen here, whole is a kind of central controlled network structure of layering depending on network of networking, and node
The network controlled under server and metropolitan area server can be the various structures such as tree-shaped, star-like, ring-type.
Visually claim, access mesh portions and can constitute unified video platform (empty thiol point), it is many
Individual unified video platform can be constituted regarding networking；Each unify video platform can by metropolitan area and
Wide area interconnects depending on networking.
Classify depending on networked devices
1.1 embodiment of the present invention can be largely classified into 3 classes depending on the equipment in networking：Server, hands over
Change planes (include ethernet gateway), terminal (includes various Set Top Boxes, encoding board, memorizer etc.).
Metropolitan Area Network (MAN) (or national net, World Wide Web etc.) and access network can be divided on the whole depending on networking.
1.2 equipment for wherein accessing mesh portions can be largely classified into 3 classes：Node server, accesses and hands over
Change planes (include ethernet gateway), terminal (includes various Set Top Boxes, encoding board, memorizer etc.).
The particular hardware structure of each access network equipment is：
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, CPU module 203, disk array module 204 are come in
Bao Jun enters switching engine module 202；The bag that switching engine module 202 pairs is come in carries out looking into address table
205 operation, so as to obtain the navigation information of bag；And according to bag navigation information the bag is stored in it is right
The queue of the pack buffer 206 answered；If the queue of pack buffer 206 is close to completely, abandon；
The all pack buffer queues of 202 poll of switching engine mould, if meet following condition forwarded：1)
The port send caching less than；2) the queue package counting facility is more than zero.Disk array module 204 is led
The control to hard disk is realized, is operated including the initialization to hard disk, read-write etc.；CPU module 203
It is main to be responsible for and the protocol processes between access switch, terminal (not shown), to address
Table 205 (including descending protocol packet address table, up 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 that Network Interface Module is (downstream network interface module 301, up
Network Interface Module 302), switching engine module 303 and CPU module 304；
Wherein, the bag (upstream data) that downstream network interface module 301 is come in enters bag detection mould
Block 305；The mesh way address (DA) of the detection bag of bag detection module 305, source address (SA), data
Whether Packet type and packet length meet the requirements, if met, distribute corresponding flow identifier
(stream-id), and into switching engine module 303, otherwise abandon；Uplink network interface module
302 bags come in (downlink data) are into switching engine module 303；What CPU module 204 was come in
Packet enters switching engine module 303；The bag that switching engine module 303 pairs is come in carries out looking into address
The operation of table 306, so as to obtain the navigation information of bag；If into switching engine module 303
Bag is that downstream network interface is gone toward up network interface, then with reference to flow identifier (stream-id)
The bag is stored in the queue of corresponding pack buffer 307；If the queue of the pack buffer 307 is close to
It is full, then abandon；If the bag into switching engine module 303 is not downstream network interface toward up
What network interface went, then the navigation information according to bag, is stored in corresponding pack buffer the packet
307 queue；If the queue of the pack buffer 307 is close to completely, abandon.
The all pack buffer queues of 303 poll of switching engine module, are divided to two in embodiments of the present invention
Plant situation：
If the queue is downstream network interface gone toward up network interface, following condition is met
Forwarded：1) port send caching less than；2) the queue package counting facility is more than zero；3) obtain
Obtain the token that rate control module is produced；
If the queue is not downstream network interface gone toward up network interface, following bar is met
Part is forwarded：1) port send caching less than；2) the queue package counting facility is more than zero.
Rate control module 208 is configured by CPU module 204, in programmable interval
Token is produced toward the pack buffer queue that up network interface goes to all downstream network interfaces, to
The code check of control forwarded upstream.
The 304 main protocol processes being responsible for and node server between of CPU module, to address table 306
Configuration, and, the configuration to rate control module 308.
Ethernet association turns gateway：
As shown in figure 4, mainly including that Network Interface Module is (downstream network interface module 401, up
Network Interface Module 402), switching engine module 403, CPU module 404, bag detection module 405,
Rate control module 408, address table 406, pack buffer 407 and MAC add modules 409,
MAC removing modules 410.
Wherein, the packet that downstream network interface module 401 is come in enters bag detection module 405；Bag
The ethernet mac DA of 405 detection data bag of detection module, ethernet mac SA, Ethernet
Length or frame type, regarding networking mesh way address DA, regarding networking source address SA, regarding networking number
Whether meet the requirements according to Packet type and packet length, distribute corresponding flow identifier if meeting
(stream-id)；Then, by MAC removing modules 410 deduct MAC DA, MAC SA,
Length or frame type (2byte), and corresponding order caching is entered, otherwise abandon；
Downstream network interface module 401 detects the transmission caching of the port, if Bao Ze is according to bag
Know the ethernet mac DA of corresponding terminal depending on the mesh way address DA that networks, add terminal
Ethernet mac DA, Ethernet association turn MAC SA, the Ethernet length or frame of gateway
Type, and send.
The function that Ethernet association turns other modules in gateway is similar with access switch.
Terminal：
Mainly include Network Interface Module, Service Processing Module and CPU module；For example, Set Top Box
Mainly include Network Interface Module, video/audio encoding and decoding engine modules, CPU module；Encoding board master
Network Interface Module to be included, video encoding engine modules, CPU module；Memorizer is mainly wrapped
Include Network Interface Module, CPU module and disk array module.
The equipment of 1.3 metropolitan area mesh portions can be largely classified 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 composition.
2nd, regarding networking data package definition
2.1 access network packet definitions
The packet of access network mainly includes following sections：Destination address (DA), source address (SA),
Reserve bytes, payload (PDU), CRC.
As shown in the table, the packet of access network mainly includes following sections：
| DA | SA | Reserved | Payload | CRC |
Wherein：
Destination address (DA) is made up of 8 bytes (byte), and first character section represents packet
Type (such as various protocol packages, multicast packet, unicast packet etc.), be up to 256 kinds
May, the second byte to the 6th byte is metropolitan area net address, and the seven, the 8th bytes are to access entoilage
Location；
Source address (SA) is also to be made up of 8 bytes (byte), is defined and destination address (DA)
It is identical；
Reserve bytes are made up of 2 bytes；
There are different length payload parts according to the type of different datagrams, if various associations
It is 64 bytes if view bag, if single group unicast packets words are 32+1024=1056 words
Section, is not restricted to 2 kinds of the above certainly；
CRC is made up of 4 bytes, and its computational methods 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 have between two equipment 2 kinds, it is even of more than two kinds
Connection, i.e. node switch and node server, node switch and node switch, node are handed over
Change planes and 2 kinds of connections can be all can exceed that and node server between.But, the metropolitan area of metropolitan area network equipment
Net address is but unique, in order to accurately describe the annexation between metropolitan area network equipment, at this
Parameter is introduced in bright embodiment：Label, uniquely to describe a metropolitan area network equipment.
In this specification, (Multi-Protocol Label Switch, assist more for the definition of label and MPLS
View Tag switching) label definition be similar to, it is assumed that have two connections between device A and equipment B,
So packet just has 2 labels from device A to equipment B, and packet is from equipment B to device A
Also there are 2 labels.Label is divided into label, outgoing label, it is assumed that the label of packet access arrangement A
(entering label) is 0x0000, and this packet leaves label (outgoing label) possibility during device A
0x0001 is reformed into.The networking flow process of Metropolitan Area Network (MAN) is the network process that enters under centralized Control, is also just anticipated
Taste the address distribution of Metropolitan Area Network (MAN), label distribution and is all dominated by metropolitan area server, node switching
Machine, node server are all passive execution, and this point is not with the label distribution of MPLS
With, the label distribution of MPLS is switch, the mutual result consulted of server.
As shown in the table, the 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.Wherein, the form of label may be referred to be defined as below：Label is 32bit, its
Middle high 16bit retains, and only uses low 16bit, and its position is the reserve bytes and payload in packet
Between.
Based on the above-mentioned characteristic regarding networking, it is proposed that one of design of the embodiment of the present invention, it then follows regard
The agreement of networking, depending on networked server obtain video flowing, via association turn server conversion after, send to
Recorded broadcast server in IP network, and then be forwarded to the client in IP network and play out.
With reference to Fig. 5, show the present invention a kind of video data player method embodiment the step of flow process
Figure, the method are applied in networking, specifically may include steps of：
Step 501, association turns the first broadcasting of teaching server transmission of the server reception in IP network please
Ask；
In implementing, turn on server, to deploy mobility protocol transition service in association, it is to hold
The bridge regarding networked devices and IP network communication between devices is carried, supports that double netcard is accessed, one end network interface card connects
Intervisibility is networked, one end network interface card connection IP network.
Background program and WebService services can be disposed on teaching server, client can be led to
Client on the browser (client) crossed in PC or mobile device directly accesses use.
First playing request receives the 3rd that client in IP network sends in teaching server and broadcasts
Generate when putting request.
By taking mobile device as an example, for example, mobile phone, panel computer, personal digital assistant, wearable device be (such as
Glasses, wrist-watch etc.) etc., the embodiment of the present invention is not any limitation as to this.
The operating system of the mobile device can including Android (ARIXTRA), IOS, Windows Phone,
Windows etc..
Wherein, adjust with play parameter, including video source address, video signal in the 3rd playing request
Whole parameter (such as dollying head, photographic head focusing etc.), span mode are (as a screen is divided into multiple
Region shows that multi-channel video signal, multiple screens show video signal etc. all the way jointly) etc..
In the scenes such as educational surgery demonstration, configure regarding networked terminals, Yi Sheng in operation interior and teaching room
Operation interior is performed the operation, and its assistant can be adjusted to video signal by the panel computer of IOS systems
It is whole, such as mobile, focusing etc., to facilitate doctor by carrying out with the display auxiliary being connected depending on networked terminals
Operation, meanwhile, by performing the operation to other users with the display being connected depending on networked terminals in teaching room
Teaching.
In order to ensure regarding networking safety, positioned at regarding network in depending on networked server can decide whether with
Teaching server binding in IP network；If so, the teaching server then received in IP network is sent out
The first playing request sent, otherwise, the first of teaching server transmission of the rejection in IP network
Playing request.
Step 502, association turn server and first playing request are converted into the second playing request；
The network different as two from IP network due to regarding networking, depending on cannot typically directly read in networking
Belong to the agreement of IP network, such as ICP/IP protocol, accordingly, it would be desirable to change to which.
Furthermore, association turns server the first play parameter can be extracted from the first playing request, such as
Video source address, video signal adjusting parameter, span mode etc..
The first play parameter is mapped as into the second play parameter according to default code conversion table；
For example, it is assumed that code conversion table is as follows：
001——EC5278：Obtain depending on networked terminals and flow
002——EC5279：Send depending on networked terminals and flow
003——EC5280：Stop depending on networked terminals
If being resolved in IP network 001 the first play parameter, it is desirable to depending on the thing that networked devices do be exactly
Flow data is obtained, then can be mapped as second play parameter of the EC5278 in networking.
Upon the transition, the second playing request can be generated according to the second play parameter, is converted into regarding networking
Readable instruction.
Step 503, association turn server and second playing request are sent to regarding networked server；
Association turns server and the first playing request is converted into positioned at readable regarding networked server in networking
The second playing request after, can send to depending on networked server carries out next step operation.
Step 504, obtains first video flowing from regarding networked terminals depending on networked server；
In implementing, it can be Set Top Box (SetTopBox, STB) to regard networked terminals, commonly referred to as
Make box on Set Top Box or machine, be the equipment of a connection television set and outside source, it will can compress
Digital signal change into television content, and show on a television set.
In general, Set Top Box can connect photographic head and mike, for gathering video data and audio frequency
The multi-medium datas such as data, it is also possible to connect television set are more for playing video data and voice data etc.
Media data.
In one embodiment of the invention, step 504 can include following sub-step：
Sub-step S11, according to the downstream communications link regarding networked terminals configuration, playing request is sent out
Deliver to regarding networked terminals；
In actual applications, regard networking as the network with centralized control functions, including main control server and
Undernet equipment, the undernet equipment include terminal, and one of the core idea depending on networking is to lead to
Cross and notify switching equipment for when time downstream communications link of service is with table, being then based on by main control server
The table of the configuration carries out the transmission of packet.
That is, include depending on the communication means in networking：
Main control server configuration is when time downstream communications link of service；
Work as time packet of service by what source terminal sent, target is sent to according to the downstream communications link
Terminal (as first regarding networked terminals).
In embodiments of the present invention, configuration is worked as time downstream communications link of service and is included：Notify when time service
Downstream communications link involved by switching equipment match somebody with somebody table；
Furthermore, include according to downstream communications link transmission：The configured table of inquiry, switching equipment
Received data bag is transmitted by corresponding port.
In implementing, service includes unicast communication service and Multicast Communication Service.That is either multicast
Communication or unicast communication, can adopt above-mentioned with table-realized in networking with the core idea of table
Communication.
As it was previously stated, including accessing mesh portions depending on net of networking, in access network, the main control server is section
Point server, undernet equipment include access switch and terminal.
For the unicast communication service in access network, the main control server configuration is when under time service
The step of row communication link, may comprise steps of：
Sub-step S111, the service request protocol package that main control server is initiated according to source terminal are obtained when secondary
The downstream communications link information of service, downstream communications link information include, participate in taking when time master control of service
The downstream communication ports information of business device and access switch；
Sub-step S112, downstream communication ports information of the main control server according to control server, inside which
Data packet addressed table in arrange when the downlink port that is oriented to of packet of time service；And hand over according to accessing
The downstream communication ports information changed planes, to corresponding access switch sending port configuration order；
Sub-step S113, access switch is according to port configuration command in its internal data packet addressed table
In, the downlink port being oriented to when time packet of service is set.
For the Multicast Communication Service (such as video conference) in access network, main control server is obtained works as
The step of downstream communications link information of secondary service, can include following sub-step：
Sub-step S114, main control server obtain the service of the application Multicast Communication Service that target terminal is initiated
Request protocol bag, service request protocol package include service type information, service content information and target end
The access net address at end；Wherein, service content information includes service number；
Sub-step S115, main control server is according to the service number in preset content-address mapping table
In, extract the access net address of source terminal；
Sub-step S116, main control server obtain the corresponding multicast address of source terminal, and distribute to target end
End；And, according to the access net address of service type information, source terminal and target terminal, obtain when secondary
The communication link information of multicast services.
Sub-step S12, receives one or more sound that will be obtained according to the playing request regarding networked terminals
Frequency according to, and, the first video flowing for being packaged into of one or more video data.
Can be from one or more connected photographic head collection one depending on networked terminals positioned at first depending on networking
Road or multi-path video data, one or more voice data is gathered from one or more connected mike.
As the business such as live and program request are carried out under the scenes such as educational surgery demonstration, need to support the one of Polymera
Road video flowing (as TS flows) transmission, the client allowed in networked terminals, IP network (such as browser)
Different video signal and switching span mode are checked flexibly.
To realize this demand, the MUX video flowing sealed in units at video interflow, the equipment can be applied
It is deployed in networked environment, collects the related video signal of all educational surgery demonstrations, by their uniform packings
Into video flowing all the way (as TS flows), and distribute away.
In one example, playing request includes video signal adjusting parameter, video signal adjusting parameter
Can be used for adjusting and the photographic head being connected depending on networked terminals, such as mobile, focusing etc..
First video stream is turned server to association depending on networked server by step 505；
When primary video finishes playing, such as educational surgery demonstration is performed and is terminated, and the video data can be recorded automatically
The all related video signal sources of system, turn server by sending to association depending on networked server, to store to position
On the recorded broadcast server in IP network.
Step 506, association turn server and first video flowing are converted into the second video flowing；
The network different as two from IP network due to regarding networking, cannot typically directly read category in IP network
In the agreement regarding networking, such as 8e01 agreements, accordingly, it would be desirable to change to which.
Furthermore, in networking, video flowing can be sent according to 2002 agreements depending on networked terminals
Packet, the specification of 2002 agreement can be with as shown in the table：
Association turns server can be to extract the first video flowing parameter, such as data, packet mark in the first video flowing
Know etc..
The first video flowing parameter is mapped as into the second video flowing parameter according to default code conversion table；
For example, it is assumed that code conversion table is as follows：
No. 13 fields of width --- the packet of 2002 agreements:The width information of video
No. 14 fields of height --- the packet of 2002 agreements：The length information of video
If being resolved to the 13 of the packet of 2002 agreements, No. 14 fields (the first video flowing parameter),
The length and width information of video is represented, then (the second video flowing is joined for width, height in being mapped as IP network
Number).
Upon the transition, the second video flowing can be generated according to the second video flowing parameter, is converted into IP network
Readable instruction.
Step 504, association turn server by second video stream to the recorded broadcast clothes being located in IP network
Business device, is played out with the client being forwarded in IP network.
If the recorded broadcast server in IP network receives the second video flowing, can be stored.
In actual applications, the client in IP network can be by the teaching clothes in IP network
Business device initiates order request, obtains the second video flowing from the recorded broadcast server in IP network and is broadcast
Put.
The embodiment of the present invention regarding networked server from regarding networked terminals obtain the first video flowing, by association turn clothes
Business device is converted into the second readable video flowing of recorded broadcast server in IP network, stores to recorded broadcast service
In device, and then it is forwarded to the client in IP network and plays out, characteristic of the application regarding networking, greatly
Improve greatly the safety in the communication process under scene such as operation, also, in IP network to depending on network into
Row scheduling operation, substantially increases the simplicity of operation.
It should be noted that for embodiment of the method, in order to be briefly described, therefore which is all expressed as one it is
The combination of actions of row, but those skilled in the art should know, and the embodiment of the present invention is not by described
Sequence of movement restriction because according to the embodiment of the present invention, some steps can using other orders or
Person is carried out simultaneously.Secondly, those skilled in the art should also know, embodiment described in this description
Preferred embodiment is belonged to, necessary to the involved action not necessarily embodiment of the present invention.
With reference to Fig. 6, a kind of structured flowchart of the Play System embodiment of video data of the present invention is shown,
The system is applied in networking, and the system includes turning server depending on networked server 600 and association
610；
It is described specifically to include such as lower module depending on networked server 600：
First video flowing acquisition module 601, for obtaining the first video flowing from regarding networked terminals；
First video stream module 602, for first video stream is turned server to association
610；
The association turns server 610 specifically can be included such as lower module：
Second video flowing modular converter 611, for first video flowing is converted into the second video flowing；
Second video stream module 612, for second video stream is extremely located in IP network
Recorded broadcast server, played out with the client being forwarded in IP network.
In one embodiment of the invention, the association turns server 610 can also be included such as lower module：
Playing request receiver module, first for receiving the teaching server transmission in IP network are broadcast
Put request；
Playing request modular converter, for first playing request is converted into the second playing request；
Playing request sending module, for second playing request is sent to regarding networked server.
In one embodiment of the invention, the first video flowing acquisition module 601 can include as
Lower submodule：
Playing request issues submodule, for according to regarding networked terminals configuration downstream communications link,
Second playing request is sent to first and regards networked terminals；
Video flowing packing acquisition submodule, asks for receiving to play according to described second depending on networked terminals
Ask acquisition one or more voice data and, first regarding of being packaged into of one or more video data
Frequency flows.
In implementing, second playing request includes video signal adjusting parameter, the video
Signal adjusting parameter is used for adjustment and the first photographic head being connected depending on networked terminals.
In one embodiment of the invention, the second video flowing modular converter 611 can include as
Lower submodule：
Video flowing parameter extraction submodule, for the first video flowing ginseng is extracted from first video flowing
Number；
Video flowing parameter mapping submodule, for the first video flowing parameter is mapped as the second video flowing
Parameter；
Video flowing generates submodule, for generating the second video flowing according to the second video flowing parameter.
In actual applications, the client in IP network is by the teaching server in IP network
Order request is initiated, and second video flowing is obtained from the recorded broadcast server in IP network and is broadcast
Put.
For system embodiment, due to itself and embodiment of the method basic simlarity, so the comparison of description
Simply, related part is illustrated referring to the part of embodiment of the method.
Each embodiment in this specification is described by the way of progressive, and each embodiment is stressed
Be all difference with other embodiment, between each embodiment identical similar part mutually referring to
.
Those skilled in the art are it should be appreciated that the embodiment of the embodiment of the present invention can be provided as method, dress
Put, or computer program.Therefore, the embodiment of the present invention can using complete hardware embodiment, completely
Software implementation or the form with reference to the embodiment in terms of software and hardware.And, the embodiment of the present invention
Can be situated between with storage using the computer for wherein including computer usable program code at one or more
The computer journey implemented in matter (including but not limited to disk memory, CD-ROM, optical memory etc.)
The form of sequence product.
The embodiment of the present invention be with reference to method according to embodiments of the present invention, terminal unit (system), and meter
The flow chart and/or block diagram of calculation machine program product is describing.It should be understood that can be by computer program instructions
Each flow process and/or square frame and flow chart and/or square frame in flowchart and/or block diagram
The combination of flow process and/or square frame in figure.Can provide these computer program instructions to general purpose computer,
The processor of special-purpose computer, Embedded Processor or other programmable data processing terminal equipments is producing
One machine so that by the computing device of computer or other programmable data processing terminal equipments
Instruction produce for realizing in one flow process of flow chart or one square frame of multiple flow processs and/or block diagram or
The device of the function of specifying in multiple square frames.
These computer program instructions may be alternatively stored in and computer or other programmable datas can be guided to process
In the computer-readable memory that terminal unit is worked in a specific way so that be stored in the computer-readable
Instruction in memorizer is produced and includes the manufacture of command device, and command device realization is in flow chart one
The function of specifying in flow process or one square frame of multiple flow processs and/or block diagram or multiple square frames.
These computer program instructions can also be loaded into computer or other programmable data processing terminals set
It is standby upper so that on computer or other programmable terminal equipments, execution series of operation steps is in terms of producing
The process that calculation machine is realized, so as to the instruction performed on computer or other programmable terminal equipments provides use
In realization in one flow process of flow chart or one square frame of multiple flow processs and/or block diagram or multiple square frames
The step of function of specifying.
Although having been described for the preferred embodiment of the embodiment of the present invention, those skilled in the art are once
Basic creative concept is known, then other change and modification can be made to these embodiments.So,
Claims are intended to be construed to include preferred embodiment and fall into the institute of range of embodiment of the invention
Have altered and change.
Finally, in addition it is also necessary to explanation, herein, such as first and second or the like relational terms
It is used merely to an entity or operation are made a distinction with another entity or operation, and not necessarily requires
Or imply these entities or there is any this actual relation or order between operating.And, art
Language " including ", "comprising" or its any other variant are intended to including for nonexcludability, so that
A series of process, method, article or terminal unit including key elements not only includes those key elements, and
Also include other key elements for being not expressly set out, or also include for this process, method, article or
The intrinsic key element of person's terminal unit.In the absence of more restrictions, " include one by sentence
It is individual ... " key element that limits, it is not excluded that at the process including the key element, method, article or end
Also there is other identical element in end equipment.
Broadcasting to the player method and a kind of video data of a kind of video data provided by the present invention above
Place system, is described in detail, principle and embodiment party of the specific case used herein to the present invention
Formula is set forth, and the explanation of above example is only intended to help and understands the method for the present invention and its core
Thought；Simultaneously for one of ordinary skill in the art, according to the thought of the present invention, it is being embodied as
Will change in mode and range of application, in sum, it is right that this specification content should not be construed as
The restriction of the present invention.
Claims (11)
1. a kind of player method of video data, it is characterised in that methods described is applied in networking,
Methods described includes：
First video flowing is obtained from regarding networked terminals depending on networked server；
First video stream is turned into server to association depending on networked server；
Association turns server and first video flowing is converted into the second video flowing；
Association turns server by second video stream to the recorded broadcast server being located in IP network, to turn
The client being sent in IP network is played out.
2. method according to claim 1, it is characterised in that it is described regarding networked server from
Before the step of the first video flowing is obtained depending on networked terminals, methods described also includes：
Association turns the first playing request that server receives the teaching server transmission in IP network；
Association turns server and first playing request is converted into the second playing request；
Association turns server and second playing request is sent to regarding networked server.
3. method according to claim 1 and 2, it is characterised in that described regarding networked server
Include the step of the first video flowing is obtained depending on networked terminals：
According to the downstream communications link regarding networked terminals configuration, the second playing request is sent to first
Depending on networked terminals；
Receive one or more audio frequency number that will be obtained according to second playing request regarding networked terminals
According to, and, the first video flowing for being packaged into of one or more video data.
4. method according to claim 3, it is characterised in that wrap in second playing request
Video signal adjusting parameter is included, and the video signal adjusting parameter is used for adjustment and networked terminals phase is regarded with first
Photographic head even.
5. the method according to claim 1 or 2 or 4, it is characterised in that the association turns service
The step of first video flowing is converted into the second video flowing by device includes：
The first video flowing parameter is extracted from first video flowing；
The first video flowing parameter is mapped as into the second video flowing parameter；
The second video flowing is generated according to the second video flowing parameter.
6. the method according to claim 1 or 2 or 4, it is characterised in that in IP network
Client initiates order request by the teaching server in IP network, from the record in IP network
Broadcast server acquisition second video flowing to play out.
7. a kind of Play System of video data, it is characterised in that the system is applied in networking,
The system includes turning server depending on networked server and association；
It is described to include depending on networked server：
First video flowing acquisition module, for obtaining the first video flowing from regarding networked terminals；
First video stream module, for first video stream is turned server to association；
The association turns server to be included：
Second video flowing modular converter, for first video flowing is converted into the second video flowing；
Second video stream module, for second video stream is extremely located in IP network
Recorded broadcast server, is played out with the client being forwarded in IP network.
8. system according to claim 7, it is characterised in that the association turns server also to be included：
Playing request receiver module, first for receiving the teaching server transmission in IP network are broadcast
Put request；
Playing request modular converter, for first playing request is converted into the second playing request；
Playing request sending module, for second playing request is sent to regarding networked server.
9. the system according to claim 7 or 8, it is characterised in that first video flowing is obtained
Delivery block includes：
Playing request issues submodule, for according to regarding networked terminals configuration downstream communications link,
Second playing request is sent to first and regards networked terminals；
Video flowing packing acquisition submodule, asks for receiving to play according to described second depending on networked terminals
Ask acquisition one or more voice data and, first regarding of being packaged into of one or more video data
Frequency flows.
10. system according to claim 9, it is characterised in that wrap in second playing request
Video signal adjusting parameter is included, and the video signal adjusting parameter is used for adjustment and networked terminals phase is regarded with first
Photographic head even.
11. systems according to claim 7 or 8 or 10, it is characterised in that described second regards
Frequency stream modular converter includes：
Video flowing parameter extraction submodule, for the first video flowing ginseng is extracted from first video flowing
Number；
Video flowing parameter mapping submodule, for the first video flowing parameter is mapped as the second video flowing
Parameter；
Video flowing generates submodule, for generating the second video flowing according to the second video flowing parameter.
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