CN107347053A - Management based on Internet video streaming computational methods structure performs platform - Google Patents
Management based on Internet video streaming computational methods structure performs platform Download PDFInfo
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- CN107347053A CN107347053A CN201610296450.9A CN201610296450A CN107347053A CN 107347053 A CN107347053 A CN 107347053A CN 201610296450 A CN201610296450 A CN 201610296450A CN 107347053 A CN107347053 A CN 107347053A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/02—Standardisation; Integration
- H04L41/0246—Exchanging or transporting network management information using the Internet; Embedding network management web servers in network elements; Web-services-based protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
Abstract
The invention discloses a kind of management based on Internet video streaming computational methods structure to perform platform, is related to new media field.The platform construction one supports Internet video application program management and the platform performed, it is mainly used in dedicated network of the telecommunications company in the integration of three networks, it is that telecommunication user creates an executable platform for being directly installed on client, the platform can not only enjoy basic IPTV Video service, and stream media network Video Applications can be run, such as commercial affairs of video auxiliary electron, e-learning, electron medical treatment；The platform provides a management platform and analyzed for operator's collection data, including cloud, server and the data storage device and client being made up of various computers.
Description
Technical field
The present invention relates to new media domain technology field, is analyzed more particularly to cloud and big data.
Background technology
The form of Video service develops into DTV from simulated television, is taken from radio and television services to interdynamic video
Business.It is low that interactive video service only provides basic Video service, value-added service and expense at present, but takes too many bandwidth.
The solution that interactive video service industry is reformed is in-depth business.It is interactive with the development and popularization of economic and technical
Video service, user propose higher requirement to use pattern, function and service quality.They wish to set in various clients
Standby (such as set top box, notebook computer) enjoys interdynamic video service (such as family, workplace, automobile) anywhere or anytime.They
Wish that the more application based on video can provide management and use convenient for the search of oneself.They wish that these apply journey
Different client devices is fully integrated and utilized to sequence, it is ensured that the service quality (smoothness of such as video and application program of high standard
Property, high-resolution video), and provide personalized service simultaneously.Current industrial situation and above-mentioned user's request requirement are applicable
In heterogeneous client equipment, there is provided diversified Video Applications, the service quality that ensures, the novel interactive such as provide personalized service regard
Be taken in small doses at short intervals business.
We start the introducing novel interactive Video service from interactive video service mode before.It belongs to main point
For two classes：1) provide unified powerful client device, user can from multiple ISPs, according to
Their business scale, service content, the different choice of service quality provide the mode of service.The U.S., Canada and some its
His country then passes through such operator scheme.Its advantages of, is to have provided the user various selections, and has promoted operator
Between competition.Its shortcomings that is Internet Service Provider's independent management, disposes extensive complete dedicated network cost mistake
Height, therefore service quality (QoS) can not be ensured and their application program and service can not be shared.2) in whole region,
An only Internet Service Provider establishes a complete optical fiber dedicated network interdynamic video service.Internet service provides
Business should carry out monitoring in real time and the adjustment of network condition dynamic, collect, analysis and management whole network and cloud computing end it is all
Equipment, therefore service quality is guaranteed.China, France and other countries all use this operator scheme, and wherein telecommunications is as only
One Internet Service Provider, there is provided a unified platform is responsible for integrating and the value-added service of management, and other software
Company, content supplier and equipment supplier are based on the platform as ISP affiliate, exploitation and offer
These value-added services and client device.The advantages of this operator scheme is：The service quality that it ensures；It allows substantial amounts of
The isomerization hardware (such as set top box has different embedded chips) of client device arrives interactive network TV service, and it is with spirit
Performance living and the client device of low price have attracted numerous different users.User can enjoy and be carried by Internet service
For business provide valued added applications and service and can be linked up with ISP, this may advantageously facilitate internet
The popularization of service provider service.
The operating mode of novel interactive network TV business tends to introduce the technical advantage and PC of internet
To TV service, therefore to strengthen interactivity and abundant content and service type, Google's television system and the apple electricity passed through
Viewing system is optimal representative.(plum, Xiao Enkai are strangled using the application program shop of apple television system referring to Steve
Profit, user interface, application program management mobile device, apple limited company, US2009/0307105A1, December 10,
2009), except the various valued added applications of the basic Video service of management user.It allows user's category to be answered to search for target
With and keyword, and determine to download the software, or not root according to one's introduction (per operating cost)；Other applications can still make
With, while download new application program；Application program shop helps their user to install them in its client after download.
The interactive video service of this style has following defect：Application program could be used until completing download user；User is necessary
Find out whether have return before payment application；Importantly, its renewal is inconvenient；Application program is completely in client
Operation is, it is necessary to higher performance and the cost of client device.Google's television system realizes that keyboard technique is incorporated into TV control,
Increase the interactivity and cost and the difficulty of operation of client device, although most TV user may unused class
Like the complex operations of personal computer；It provides abundant Online Video to TV user, realizes the diversity of television content,
But the dangerous of internet is brought simultaneously.
Advantageous first of second of operator scheme shields the heterogeneity of hardware device and facilitates user in service quality
Access network.But Internet Service Provider's platform only provides basic Video service in such a mode.This is an envelope
One closed is difficult the video content and valued added applications for incorporating diversification.Although the hardware device of shielding part and network connection is different
Matter is to provide the seamless switching between different client devices and other value-added services, but it does not account for real-time shape
State set, so this heterogeneity can not be utilized.Therefore the platform still deficiency is wanted to manage this whole IPTV
Dedicated network is, it is necessary to further improve service quality.
Therefore, it is an object of the invention to propose a kind of second pattern in IPTV, with
Establish a management and perform platform.This method takes full advantage of the dedicated network and heterogeneous device of telecommunications, while using now
There is the advantages of novel interactive Video service.There is this platform that industry partners can be helped to develop, it is convenient to integrate
Various video resources and valued added applications.IPTV can easily manage these resources and application, the network
State and client device.User can obtain and pellucidly run new application program.More importantly this platform can
To shield the heterogeneity of hardware device, and collect and calculate the real-time status data of fusion.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the invention provides a kind of calculating side of the Internet video of Streaming Media
Method, construct one and support Internet video application program management and the platform performed.
The technical solution adopted in the present invention is：Dedicated network based on telecommunications company in the integration of three networks.Used for telecommunications
Family creates an executable platform for being directly installed on client, and the platform can not only enjoy basic interactive network electricity
Depending on Video service, and stream media network Video Applications can be run, such as the commercial affairs of video auxiliary electron, e-learning, electron medical treatment
Etc..Data are collected the invention provides a management platform for operator to be analyzed.This platform is made up of two parts：By
Cloud, server and the data storage device and client of various computer compositions.Client includes set top box, PC and flat board electricity
Other mobile devices such as brain, it has only pre-installed a small kernel, can matching somebody with somebody according to the state of client and bootstrap
Loading kernel is put to be customized.Kernel includes being used to shield the heterogeneity of hardware device, for dynamically loading and managing application
Program and the application that interface, synchronization module and its associated buffer manager module that general video application is developed are provided
Program Manager media middleware stream-based scanning method.According to the stream-based scanning method of the present invention, using being also classified into
Two parts：High in the clouds and client, the main calculating performed in cloud and the buffering area of client perform application program while downloaded, institute
Client low-performance equipment is allowed with it, and is easy to executable program installation, operation and renewal.Therefore cloud, client and net
The resource and advantage of network are fully used.Cloud computing has powerful computing capability and storage device, can effectively assist client
Program is run, and is collected and is analyzed network state, transmission conditions, the state of client, user profile etc., then according to these information
Make timely adjustment.
Compared with prior art, the beneficial effects of the invention are as follows：(1) this method makes full use of high bandwidth and high reliability
Dedicated network, it is related to other data to running status, the state of network transmission of cloud computing end code that it collects client
Service quality, operation history and social information to user have carried out statistical analysis.When one new service of client request, cloud
End group selects a better method to provide better service in these data being collected into；The institute that high in the clouds monitoring is collected into
There are data, and correspondingly adjust the mode of service.Therefore this method can provide the Web Video Service of service quality function
Main reasons is that influenceing user experience quality can not realize in existing interactive video service.
(2) all application programs and resource must be integrated by the platform in the method described in, and pass through communication
Dedicated network transmission.Buffering area after the completion of the application program of client executing buffering and removing application.Such running mould
Formula improves the safety and stability of platform.High in the clouds carries out the various types of data and state of real-time streams collection and monitoring,
And substantial amounts of calculating and storage state are undertaken, so as to allow the requirement of client and server, to return to the state specified, make
Obtaining can control and safely management platform.Application program and resource consolidation are simultaneously managed by unified platform.This method
Distance control mode is provided, wherein high in the clouds can control the client by network, and the pattern is beneficial to network service
Provider manages to control the operation of client and come for large scale test and data collection belt may.All in all it is based on
The platform of this method is safe, manageable and controllable.
Brief description of the drawings
Fig. 1 is present system frame diagram；
Fig. 2 is platform protocol layer of the present invention；
Fig. 3 is that application program recommends interactive interface demonstration graph；
Fig. 4 is the logical flow chart of the present invention；
Fig. 5 is management resource activity figure.
Embodiment
With reference to the accompanying drawings and examples, the embodiment of the present invention is described in further detail.Following examples
For illustrating the present invention, but it is not limited to the scope of the present invention.
The present invention proposes a kind of computational methods of the Internet video of Streaming Media.The characteristics of this method is its heterogeneous device
And network, powerful interactive service ability is run on inexpensive embedded device, and provides the interdynamic video clothes for supporting service
The capabilities for quality of being engaged in.Described management and execution platform can support Internet video application build based on the method；This
Individual platform is safe, manageable, controllable.
As shown in figure 1, the present invention is mainly suitable for the integration of three networks.Three networks refer to, by internet, pass through telephone network
Digital communications network represented by conventional telecommunication network representated by (including mobile communications network) and by shown in cable television
Television network broadcast.The present invention is used for the dedicated network of the single Internet Service Provider disposed；It is integrated with three
Individual network, so as to realize resource-sharing and network service, avoid overlapping construction.The center of the dedicated network is the core clothes in high in the clouds
Business device；Intermediate layer 102 is a zonal node layer；Outermost layer 103 is a fringe node layer；Client device is by making
Dedicated network is connected to the fringe node 104 of different access methods (such as CABLE106, WLAN107,3G108)；And interaction
Formula Video Applications and other services are by being distributed in cloud client to these node layers.It is noted that dedicated network is to pass through light
Fibre, which connects, simultaneously considers that load considers, network bandwidth by inner side become it is big gradually from the outside, such as the thickness of the network cable 105 in Fig. 1
Degree change.
Because a feature of the present invention is：The hardware device and the heterogeneity of network that it can be shielded, user can make
The network run with different client devices (including the set top box 110 of television set, PC111 and pocket pc 112)
Video Applications (commercial affairs of video auxiliary electron, e-learning, electron medical treatment etc.) are in different positions.In a typical case shown in Fig. 1
Use case be：One user runs visual telephone and uses computer 113 in his company, then uses on the way home certainly
Oneself tablet personal computer viewing video request program, and continue to watch this video on TV after going home or perform other Video Applications.
Fig. 2 shows the protocol layer of this platform, connects the dedicated network of telecommunications with client through high in the clouds.
In terms of cloud computing, podium level L202 is seated in application layer L201, above operation system driver layer L203 and
Hardware layer L204.The powerful central processing unit hardware layer of the advantage and cluster of big data storage device, it provides number of modules
Including --- application program is integrated, process dispatcher, collection, streaming media server and Streaming Media instrument.In details, using collection
Interfacing application programs are integrated and management into providing, and such as carry out transform coding into Streaming Media using streaming instrument, the storage location of record,
And configure the interface of charge mode.Streaming Media instrument changes the executable program and media file stream of application program, and adds phase
The timestamp of same reference clock.Various streaming media servers have issued flow data to client includes streaming media server, stream
Media server application code and streaming media server result of calculation.Stream Media Application program code server sends a system
The executable code segment of row.The cloud computing end code of the process dispatcher of application program operation preserves result of calculation real-time storage
Space, and the streaming media server of the result of calculation is notified, client is sent the result in real time.State collection module from cloud and
The information such as the service quality of client while collection network service quality, client actions, video and audio, this helps to flow matchmaker
Body server adjusts the information with real-time optimization service.
In client, podium level L206 is seated in application layer L205, and including appealing the driver layer of operating system
L207 and hardware layer L208.It is not only integrated with the hardware of various bottom isomeries, additionally provides a bootstrap and kernel (bag
Include application manager, synchronous and buffer manager for use and Streaming Media middleware).Boot loader adds according to different configurations
Kernel is carried from different middleware modules according to different configurations, and the Essential Environment module of operation is provided.For example, in a height
The bootstrap loader of client in the network environment of bandwidth may only need to load a kennel with omnipotent player and fit
Orchestration, according to the difference of configuration.Therefore, user can carry out self-defined, such kernel according to the client state of oneself
All the time it is small and powerful.Buffer manager for use stores and managed the various streaming media resources from cloud transmission.Application manager is sent out
The application program sent performs the request of user into cloud, performs stream executable code segment and point broadcasting flow-medium middleware loading dynamic
Chained library.Synchronization module it is synchronous perform code segment and media in a buffer.
In fig. 2, this platform defines the common interface protocol of four types, respectively resource consolidation interface T209 and
The client T210 of cloud side on hardware integration interface, application programming interface T211 and hardware integration interface T212's.This
A little interfaces allow to integrate and easily manage multiple service providers, content supplier and hardware supplier and Internet service carries
For the rapid platform .1 of management of business) the integrated interface T209 of resource beyond the clouds：Positioned at cloud application layer L201 and cloud platform layer
Between L202.The application integration interface and platform that the Internet video application program developed by service supplier can be called carry out whole
Close.For example, service provider can enter executable program Streaming Media, and specified by the integrated interface of the application program of calling
Charge mode.2) hardware integration interface T210 beyond the clouds：Positioned at cloud platform layer L202 and cloud operating system drive layer L203
Between cloud hardware layer L204.It provides basic hardware and the interface of operating system adaptation layer, including database access, defeated
Enter output port access etc..3) application programming interface T211 is in client：It is located at the application layer L205 and visitor of client
Between the podium level L206 of family end.Developer, according to its different business demand, the interface of this layer is please call, interaction is carried out with cloud,
And develop the Internet video application of diversification.This layer is general as the interface of omnipotent player and FEC (forward error correction) interface
, complete and scalability.4) it is hardware integration interface T213 in client：It is located at client platform layer L206 and bottom
Client operating system driver L207, client hardware layer L208's.It provides basic hardware and operating system
Adaptation layer interface, for the heterogeneity on the different types of hardware platform of shading and operation system from different manufacturers
System.Because this platform is primarily directed to Internet video application, these interfaces are only included by this kind of using required basic function,
Such as the decoder of media file, network connection, I/O reference interface.Their type is few and transplanting is convenient.
User is using the basic process of client approach：User opens client, signs in Internet Service Provider
Door, client will show a desktop, list substantial amounts of Internet video application program.User can directly select one should
Performed its (see execution of Fig. 4 and following application-specific) with program, or enter " application program recommendation ", such as Fig. 3 institutes
Show：
1) step 301；Described method allows user is searched through classification and keyword inputs mode, and he is desired
Application program.
2) step 302：Cloud computing table qualification application and related data are such as introduced, price, evaluation.Because in result
In, high in the clouds utilizes suggestion of the substantial amounts of relevant information such as user preference collected before, operation history, and friend etc..Therefore
The search result that user can be more satisfied with.
3) step 303：User determines that operation can reduce by 0.05 dollar of cost using 1 decision under Low Cost Mode,
The average unit cost of application program is low to encourage him to go to attempt more new applications, and he is not concerned about in application program, and he does not like flower too
More money.
4) step 304：The Streaming Media executable code segment using 1, video and audio fragment, and server are given in cloud computing
The code at end, client receive the implementing result after his request.These sections are received, client computer is stored in buffer
M308, and immediately begin to perform.So he need not both wait for what is downloaded, nor in order to install and update it manually
.High in the clouds will participate in and help the operation of each program all the time, so it allows the client device with low performance, and can be with
Reasonably use each execution pattern of electric charge.
5) step 305：The application program of operation simultaneously, client send various current states to the real-time in high in the clouds.Cloud
Method of the end regulation based on the data, services, to ensure service quality.For performing particular state, Fig. 5 is referred to.
6) step 306：Client will perform during clear buffer terminate, therefore the program that need not unload of user and management
The memory space of client computer.If the user desired that being continuing with the application program, he can select to be added to the receipts of oneself
Folder is hidden, then application icon occurs on his desktop, and he need not be simultaneously performed S301 is searched for next time the step of.It is right
In his favorite application, cloud have recorded his option and installment and his last running status, and therefore, he can be into program directly
Or continue last year execution state.
7) step 307：If user decides not to use some application program, need to only be deleted from collection or desktop
Remove.Even on the table display be from user logs in when because as user's favorites data storage on the server different objective
Family end equipment is identical, and him can be performed or not the same application program that he is fitted without on each different client device
The same favorite application program of client device；The latest edition of the application program of automatic network in future, therefore hand are performed every time
Work renewal is unnecessary.
In a word, compared with traditional application program shop, application method enormously simplify client device and use and manage
Flow, and improve manageability of the cloud to client device；Real-time status report and service adjustment ensure service quality and
Quality of experience；The financial burden of user is reduced per operating cost, this stream-based scanning method allows client performance relatively low
Running quality and height interaction Internet video application program.
Fig. 4 shows the logic flow of this method, including high in the clouds D401 and the client with the dedicated Internet access of telecommunications
D402.Multiple powerful central processing units and cloud storage data, such as video and audio file, the Video Applications of networking can perform
Program, perform the sufficient memory space in the state of cloud D401 application program.Client D402 keeps the application program of request
Afterwards, the data from cloud executable code such as reception.Procedure based on Streaming Media is as follows：
1) first step：In cloud computing end D401, all-network of the Streaming Media instrument conversion from different content provider regards
The application program and media file stream of frequency, the i.e. executable program of the application program that it is divided are divided into multiple executable code segments,
Or converting video and audio file are converted into flowing.The process of the data flow of executable program is：First, divided ownership is executable
Then code (will generally include the time started with the end of to client code and the code in high in the clouds with identical reference clock
Between) timestamp to each executable program code section.
2) second step：User selects the Internet video application in user interface, and then application manager will ask to send out
It is sent to high in the clouds D401.
3) the 3rd step：After receiving this request, process dispatcher is by client code and media data to client
Caching, pass through the form streaming media server of corresponding real time flow medium
4) the 4th step：Client stores phase (PH) in a buffer, and then application manager loads
Streaming Media middleware according to the dynamic link library of the configuration information of application program, (by Application developer specified by configuration information
), to provide the executable code of the execution of running environment.
5) the 5th step：The synchronous executable code of application manager, video and audio file, pass through synchronous mould in real time
Block, and perform according to priority in them, to produce the application program process 1 (client) of corresponding application call.
6) the 6th step：Application process 1 (client) can call execution, in some interfaces of Streaming Media middleware, such as ten thousand
Energy player, forward error correction.Also application process 1 (client) can call the Streaming Media text in decoder interface decoding buffering area
Part and them are shown over the display
7) the 7th step：Application program process 1 (client), according to the operation of user, renewal calculating state carrys out the reality to cloud
When state acquisition module, there is provided combined calculation and cloud.And these data can promote data mining in future.
8) the 8th step：D401 process scheduler is held by what Stream Media Application program code server was sent on cloud
The client of line code section.Meanwhile the code segment that the high in the clouds of its execution can perform, to produce so-called application process 1 (server)
Corresponding processing, and the reality of the application program process 1 (client) of the application program for the streaming server for passing through the result of calculation
When the result of calculation that sends of the form that flows.
9) the 9th step：When application program process 1 (client) is completed to perform, it can delete the matchmaker of caching and cloud computing achievement
Body file, and notify application manager.
10) the tenth step：Enable after application manager the executable code segment in clear buffer immediately.
In superincumbent description, the principle of media file and code synchronisation module：If it is more than between at the beginning of code segment
The time of current reference clock, it will wait and running in code segment, start the time until reference clock reaches；If code segment
Time started is more smaller than the time of current reference clock, then improves the execution priority of code segment.In addition because server
Reference clock be identical, when server converting video and the code of audio, the module can guarantee that video, audio and code
It is synchronous.
Therefore stream-based scanning Internet video computational methods are mainly to provide manageability and synchronism.Client can not be straight
Storage and management Internet video application program are connect, them can be performed before without waiting for download, while dynamic load client
Executable code segment can run them from cloud client buffer area.
Although there is patent " being installed using to downloading mode stream executable code segment and cancellation ", in the method, appropriate
Perform the decoding of substantial amounts of video on the client, and powerful high in the clouds is adapted to be embedded in and performs calculating, because we are absorbed in net
In network Video Applications, client device is the set top box of low performance, and network connection is 100,000,000 dedicated networks of telecommunications.With
This corresponding executable code is divided into the code server and client code for calculating and decoding.The executable code segment
A part is sent to client to reduce the computation complexity of client.The combined calculation of server and client side will not be brought
The Internet video application of burden, because possessing the transmission of enough bandwidth and executable code.
The information such as the real-time various aspects collection status of the manageability major embodiment of the platform beyond the clouds.These data master
There is following application：The data that high in the clouds analysis is collected into, therefore the running status figure of client can be established and managed and be based on collecting this
The client of a little data, provides the user more preferable service；High in the clouds can ensure whole network in time when detecting abnormal data
The security of platform.
This method is collected and the resource of four types of management, as shown in Figure 5：1) content resource T501：Video, audio, figure
Picture, webpage etc..The platform allows the access of multiple content suppliers；It also allows Internet resources to integrate the platform of user.Should
Platform, which is collected, has different attribute (such as storage format, coded format and resolution ratio) identical resource (such as identical film)；
It is selected based on client and network 2) the appropriate type of server state T502 state：It is current negative including server
Carry, position and trip time delay, remaining bandwidth, remaining central processing unit etc..The state of the platform monitoring server.When
When client request services, it can use according to multiple servers in these areas, platform automatically selects optimal server.When one
When server breaks down, platform can restart server or all business are transferred to other servers, to ensure client
Hold the transparent and smooth execution of application program.3) the state T503 of client：It is currently running including current application program or
The film played, their running status or broadcast state, the current operation of user, the state of current buffer, currently
Internal memory service condition etc., the state recovery that the platform is collected and monitor client state for time has arrived client in real time carries out standard
It is standby；Meanwhile adjust according to these states, to ensure the method for the service of service quality.4) user profile T504：Such as the happiness of user
It is good, the social network relationships of user.The platform suggests personalized service to user, and allows user to share and pushed away with social networks
Service and video are recommended, to improve Consumer's Experience.
One feature of this method is：It may ensure that service quality about this platform build in this method operation interaction
Formula Internet video application.Service function is that quality is realized by following measures：
1) using the special video network of a single Internet Service Provider.It uses video and audio it is more
The mode broadcast improves efficiency of transmission, reduces the possibility of backbone network congestion.It ensure that the service quality of network transmission.
2) the final total quality for ensureing service is configured to ad hoc network environment, realizes the overall management of service quality
And scheduling mechanism.The service mechanism of " end-to-end ", quality include Wrong control (such as forward error correction), client state cloud reality
When monitoring and service quality, adjust method of service in time, client's reply is transmitted unstable using streambuf.
3) all data such as application field, media file, high in the clouds result of calculation and the visitor transmitted in above two mode
The form of the Streaming Media of family feedback make it that their service quality is guaranteed.The calculating knot of these client codes and server end
Fruit, collaborative work is synchronized according to the time shaft of identical reference clock, to form the application of complete Internet video, institute
The quality applied with the Internet video of service function is realized.
The platform executable as one, and different system integratings and various resources, its security be it is secure with
Under several aspects：
1) dedicated Internet access that high in the clouds and client pass through telecommunications, it is difficult to connected by invasion；
2) all resources such as Internet video can not all be sent directly to client, be required for integration and inspection by platform
Look into；
3) all application programs be required for carrying out verifying they be added before platform, selected for user.Client does not have
There is External memory equipment, so various rogue programs can not be locally stored in client without authorization.It is to directly download to perform every time
Latest edition into buffer, and most calculating is operated in cloud.When occurring extremely, system is changed into again
After clearly restarting；
4) collected in platform and storage state can be real-time transmitted to server and client side, it is possible to which detection is abnormal in time
State and mistake；
5) behavior in Platform Analysis user and community network, therefore it can identify abnormal operation in the time.
The convenient display of the scalability deployment of the platform is as follows：The integrated interface for the service that it is provided is easy to New function
Addition, without influence other people；Client prepackage only on kernel platform, is easy to dispose；Application program downloads to buffering
Area performs every time, to ensure that it upgrades in time；The expansion of platform can be dealt with server by being deployed in the form of cloud computing；This is flat
Platform collects the information of client-server in the time, to ensure load balance, so as to be advantageous to the management of user.
Claims (18)
1. a kind of computational methods of the Internet video based on data flow is establish a management and perform platform, to support network
Video Applications, interactive network Video Applications realization and ensure service quality, it is characterised in that：
1) using single ISP dedicated video network, using video multicast by the way of, to ensure net
The service quality of network；
2) scheduling mechanism of the media file of high quality management management and " end-to-end " is realized, to ensure in dedicated network
Overall quality of service；
3) the real-time computing technique transport stream media application in high in the clouds executable code segment, media file and client feedback high in the clouds
State between client, the data of client buffer area management, according to same time shaft it is synchronous they, allow their works together
Make to ensure the service quality of Internet video application.
2. according to the method for claim 1, it is characterised in that：The proprietary network of one single ISP
Operating mode, refer to that all clients pass through and dispose the controllable network of a single Internet Service Provider and receive
Internet video is applied and other value-added services, the control network include：The module server cluster of cloud computing has powerful meter
Calculation ability and massive store space, referred to as high in the clouds；The substantial amounts of heterogeneous client equipment with different performance.
3. client according to claim 1 selects an Internet video application to perform, send the request in cloud
Method, upon receiving a request high in the clouds have the action of two types：
1) the real-time calculating of the high in the clouds code segment is performed, and client is supplied in the result of calculation for sending real-time streams；
2) code and video data that the cache of client can perform in client are sent in real time, in client executing or
Its decoding request；
After the data of a reception in the client, its common calculating is as follows with the data manipulation flow of high in the clouds, client：
1) high in the clouds real-time operation carries out files in stream media, the executable generation of video application that buffer management is used to store
Code, these data and code are useless are deleted immediately；
2) the decoding files in stream media sent in real time from high in the clouds；
3) executable code segment of the application program of operation is sent to high in the clouds in real time；
4) the calculating state of renewal real-time client into cloud；
5) client is by the decoded result of media file, in the result of calculation sent by high in the clouds, the result of cloud computing together, so as to
Integrated Internet video application is provided.
4. according to the method for claim 3, it is characterised in that：It can be obtained from cloud using any client of the method for down loading
All-network Video Applications in end, and can perform.
5. the method for single operational mode according to claim 3, it is characterised in that：Provide relatively low average operation into
This.
6. according to the method for claim 3, the method that its running environment applied for the Internet video includes：
1) boot loader, it is loaded with according to the different middleware module of different configurations, there is provided basic running environment,
Kernel module, such user's can is self-defined according to the vassal state of oneself progress, therefore kernel is suitable all the time, and small is interior
Core；
2) Streaming Media middleware, there is provided the dynamic link library of basic streaming media service；
3) buffer manager for use stores, management and clearing, various streaming media resources when being transmitted from server；
4) synchronization module, synchronous executable code segment in a buffer, Voice ＆ Video；
5) application manager, the request being applied in cloud is sent, is performing application program and playing video and audio sync
Ground, in the same time, load on the dynamic link library of middleware, demand is needed according to application, there is provided the application of running environment
Program；
The running environment of client is needed from cloud under corresponding assistance, and high in the clouds module includes：
1) application program integrates, there is provided interface that is integrated and managing the Internet video application on the upside of cloud；
2) process scheduling, it is responsible for the process of scheduling and management high in the clouds application code；
3) regulation is collected, and collects and manage real-time status information；
4) streaming media server, the server of crossfire application code, Streaming Media, the client application that it sends are included
Executable code and it send the media server of result stream calculation results server calculated during mysorethorn；
5) instrument of Streaming Media, the executable program and video and audio file of Transformation Application program are converted into flowing.
7. Streaming Media middleware according to claim 6 integrates the device and operating system of isomery, it is characterised in that：Even if
Inexpensive embedded device can also run the method for powerful interactive video application.
8. platform according to claim 6, it is characterised in that：According to the platform of its running environment structure structure, it is provided
The general interfaces of four types：Cloud resource integrated interface；Cloud computing hardware integration interface；Client application programming connects
Mouthful；The hardware integration interface of client.
9. according to the method for claim 8, it is characterised in that：Resources integration interface in high in the clouds is integrated and multiple service providers
With the platform of content supplier.
10. according to the method for claim 8, it is characterised in that：Wherein hardware integration interface in high in the clouds provides basic hard
The platform of part and the Adapter Layer Interface of operating system.
11. according to the method for claim 8, it is characterised in that：The program of wherein third party's exploitation of client application is compiled
Journey interface and the platform of the diversification Internet video application combined with stronger interactivity.
12. platform according to claim 8, it is characterised in that：The hardware integration interface shielding hardware of the client is set
Standby heterogeneity.
13. platform according to claim 8, it is characterised in that：The platform crosses over cloud and client, and in cloud side
On, cloud platform layer be located under the application layer of high in the clouds and cloud operating system drive layer and high in the clouds hardware layer on, for providing the user with
The Video Applications of substantial amounts of networking；On the client, the podium level is located under the application layer of client and client operation
On the driver layer and client hardware layer of system, the hardware device of various bottom isomeries is shielded.
14. according to the method for claim 13, it is characterised in that：The platform is controllable and described platform：Interconnection
Net all resources of service and the unified management of application program provider；After the integrated and inspection of new resource and application program not
The platform can be released to long.
15. platform according to claim 13, it is characterised in that：Wherein described platform is safe, and client does not have
There is storage device, so rogue program can not be stored without authorization；Transported from the latest edition that server downloads to each user
Row it when cache, then perform after delete；Even if exception occurs, system restarting successor is so safe.
16. platform according to claim 13, it is characterised in that：The platform is manageable, and based on it is following this
A little data are in cloud collection and the status information managed and real-time related resource：
1) Severs fusion calculation module is analyzed data, so as to provide more preferable service quality for user；
2) to management client server monitoring client running status；
3) cut-out detection abnormality and mistake is timely, therefore ensure that the security of whole network platform.
17. according to the method for claim 15, it is characterised in that：The status information and related resource are collected and management
High in the clouds platform be divided into four types platform as described below：
1) content resource, resource of the platform intergration from multiple content suppliers, and manage having for same type and do not belong to together
Property resource, these resources can be used for provide according to network and the state of client, the Video Applications of high-quality；
2) under server state, the information of platform monitoring server state, including present load, position, trip time delay, and
Remaining bandwidth；This resource is load balancing and fault recovery；
3) state of client, the running status of current Internet video application is included, video is as the broadcast state of audio
It is accurate to 1 millisecond, the action of active user, the state of current buffer, current internal memory service condition etc., these resources are used for
Improve service quality, ensure that synchronization and the recovery of state；
4) information of user includes user preference, operation history, social networks etc., and these resources are individual available for providing the user
Property service, and determine exception user operation.
18. platform according to claim 16, it is characterised in that：The different attribute of content resource includes storage format, compiled
Code form, resolution ratio and other people platform.
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