CN104092764B - Content distribution method and system based on internet television - Google Patents
Content distribution method and system based on internet television Download PDFInfo
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- CN104092764B CN104092764B CN201410340126.3A CN201410340126A CN104092764B CN 104092764 B CN104092764 B CN 104092764B CN 201410340126 A CN201410340126 A CN 201410340126A CN 104092764 B CN104092764 B CN 104092764B
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Abstract
The present invention is applied to internet television technical field there is provided a kind of content distribution method based on internet television and system, and methods described has including step：Matchmaker is set to provide interface message processor (IMP) between content facilitator system and network operator system, matchmaker's money interface message processor (IMP) is based on http protocol and supports a variety of access protocols and a variety of Data Transport Protocols；The matchmaker that need to distribute is provided content service provider's system into file and matchmaker's money description information is transferred to the matchmaker and provides interface message processor (IMP)；The matchmaker is provided matchmaker's money interface message processor (IMP) into file and matchmaker money description information is transferred to the network operator system.Whereby, the present invention provides interface message processor (IMP) by matchmaker, and to complete, matchmaker provides file and matchmaker provides quick distribution of the description information from content service provider system to network operator system, matchmaker's money interface message processor (IMP) is based on http protocol and supports a variety of access protocols and a variety of Data Transport Protocols, adaptive different application environment, so as to realize efficient matchmaker's money file and matchmaker's money description information distribution.
Description
Technical field
The present invention relates to internet television technical field, more particularly to a kind of content distribution method based on internet television
And system.
Background technology
Numeral matchmaker money is in DTV now, and the field such as Web TV and mobile TV has been obtained for extensive use,
There are many standards above content distribution techniques.In OTT, (Over The Top provide a user various answer by internet
With service) technology and business constantly fast-developing today, the combination degree of the system of Virtual network operator and content service provider gets over
Come closer, it is desirable to which matchmaker provides file and the distribution transmission of matchmaker's money description information uses various criterion with the difference of application environment
It is required that becoming more and more urgent.Matchmaker's money includes video, picture or word etc.；Matchmaker's money file refers to that matchmaker provides content sheet
Body, is exactly the file of certain video, picture or text formatting for computer；Matchmaker's money description information describes matchmaker's money
Essential information, such as the protagonist of some video, director, video format, code check.In traditional IPTV (Internet
Protocol Television, IPTV) in system, common practice is to provide file and matchmaker's money description letter for matchmaker
The distribution of breath uses the C2 interfaces of standard, although the characteristics of interface has flexible, there is also due to complex interfaces, realizes factory
Business is numerous, and the understanding of different vendor is slightly different, and causes the drawbacks such as system docking difficulty is big, project is reached the standard grade slowly, learning cost height,
In fact the serious about fast development of OTT business has been made.From the point of view of the fast-developing trend of OTT business, exploitation is a kind of high
Matchmaker's money file of effect and the dissemination system of matchmaker's money description information are extremely necessary with adapting to different application environments, with extensive
Application prospect.
In summary, prior art there will naturally be inconvenience and defect in actual use, and it is therefore necessary to improved.
The content of the invention
For above-mentioned defect, it is an object of the invention to provide a kind of content distribution method based on internet television and
System, it provides interface message processor (IMP) by matchmaker, and to complete, matchmaker provides file and matchmaker provides description information from content service provider system to Virtual network operator
The quick distribution of system, matchmaker's money interface message processor (IMP) is based on http protocol and supports a variety of access protocols and a variety of Data Transport Protocols,
Adaptive different application environment, so as to realize efficient matchmaker's money file and matchmaker's money description information distribution.
To achieve these goals, the present invention provides a kind of content distribution method based on internet television, including step
Have：
Matchmaker is set to provide interface message processor (IMP) between content facilitator system and network operator system, matchmaker's money interface message processor (IMP) is based on
Http protocol supports a variety of access protocols and a variety of Data Transport Protocols；
The matchmaker that need to distribute is provided content service provider's system into file and matchmaker's money description information is transferred to the matchmaker and provides interface
Machine；
The matchmaker is provided matchmaker's money interface message processor (IMP) into file and matchmaker money description information is transferred to the network operation quotient system
System.
According to content distribution method of the present invention, the access protocol includes HTTP+SOAP, HTTP+XML and/or
HTTP+JSON, the Data Transport Protocol includes FTP and/or HTTP.
According to content distribution method of the present invention, matchmaker's money interface message processor (IMP) supports described a variety of using modular mode
Access protocol and a variety of Data Transport Protocols.
According to content distribution method of the present invention, matchmaker's money interface message processor (IMP) uses hot-plugging technology.
According to content distribution method of the present invention, the network operator system receives client and provides file to certain matchmaker
Download request when, if the network operator system be not present request download the matchmaker money file, the Virtual network operator
System obtains matchmaker's money file by time source mode from content service provider's system and is transferred to the client.
According to content distribution method of the present invention, the transmission of matchmaker's money file described in matchmaker's money interface machine monitoring is entered
Degree.
According to content distribution method of the present invention, matchmaker's money interface message processor (IMP) includes resident file server and matchmaker's money
Interface module；The network operator system includes operator matchmaker and provides subsystem and operator content service network subsystem；
The matchmaker that need to distribute is provided content service provider's system into file and matchmaker's money description information is transferred to the matchmaker and provides interface
The step of machine, includes：
Matchmaker money file is transferred to the resident file server by content service provider's system；
Matchmaker money description information is transferred to the matchmaker and provides interface module by content service provider's system；
The matchmaker is provided matchmaker's money interface message processor (IMP) into file and matchmaker money description information is transferred to the network operation quotient system
The step of system, includes：
Matchmaker money file is transferred to the operator matchmaker and provides subsystem by the resident file server；
Matchmaker money description file is transferred to the operator matchmaker and provides subsystem by matchmaker's money interface module；
Matchmaker money file is injected into the operator content service network subsystem by the operator matchmaker money subsystem.
According to content distribution method of the present invention, matchmaker money file is injected into by the operator matchmaker money subsystem
Also include after the step of operator content service network subsystem：
The operator matchmaker money subsystem is completed after the renewal of matchmaker's money file and matchmaker money description information, will be updated
As a result notify to provide interface module to the matchmaker；
The renewal result is sent to the resident file server by matchmaker's money interface module；
The resident file server deletes the matchmaker money file being locally stored.
According to content distribution method of the present invention, content service provider's system includes central content and manages subsystem
System, file distributing network, CTV content disposal subsystems and EPG server；
The matchmaker that need to distribute is provided content service provider's system into file and matchmaker's money description information is transferred to the matchmaker and provides interface
The step of machine, includes：
The matchmaker that need to distribute is provided the central content management subsystem into file and matchmaker money description information is issued to
The file distributing network；
The file distributing network is by the way that matchmaker money file is transferred on the resident file server；
Matchmaker money description information is passed through interface synchronization to the CTV Content Management subsystem by the file distributing network
System；
Matchmaker money description information is synchronized to the EPG server by the CTV content disposal subsystems；
The matchmaker is provided description information and shares to the matchmaker money interface mould that the matchmaker provides interface message processor (IMP) by the EPG server
Block.
According to content distribution method of the present invention, the central content management subsystem 11, the file distributing net
Network and the CTV content disposal subsystems are arranged at center side, and matchmaker's money interface message processor (IMP) and the EPG server are arranged at guard station
Side, and the first database of the CTV content disposal subsystems and the second database of the EPG server closed by principal and subordinate
System carries out database synchronization, and second database is shared by the EPG server and matchmaker money interface message processor (IMP).
The present invention also provides a kind of content delivering system based on internet television, includes content service provider's system, matchmaker
Provide interface message processor (IMP) and network operator system；
Content service provider's system, for the matchmaker that need to distribute money file and matchmaker's money description information to be transferred to the matchmaker and provide
Interface message processor (IMP)；
The matchmaker provides interface message processor (IMP), is arranged between content facilitator system and network operator system, and matchmaker's money connects
Mouth machine is based on http protocol and supports a variety of access protocols and a variety of Data Transport Protocols, and matchmaker's money interface message processor (IMP) is used for the matchmaker
Money file and matchmaker money description information are transferred to the network operator system.
According to content delivering system of the present invention, the access protocol includes HTTP+SOAP, HTTP+XML and/or
HTTP+JSON, the Data Transport Protocol includes FTP and/or HTTP.
According to content delivering system of the present invention, matchmaker's money interface message processor (IMP) supports described a variety of using modular mode
Access protocol and a variety of Data Transport Protocols.
According to content delivering system of the present invention, matchmaker's money interface message processor (IMP) uses hot-plugging technology.
According to content delivering system of the present invention, the network operator system receives client and provides file to certain matchmaker
Download request when, if the network operator system be not present request download the matchmaker money file, the Virtual network operator
System obtains matchmaker's money file by time source mode from content service provider's system and is transferred to the client.
According to content delivering system of the present invention, matchmaker's money interface message processor (IMP) further comprises：
Monitoring module, the transmission progress of file is provided for monitoring the matchmaker.
According to content delivering system of the present invention, matchmaker's money interface message processor (IMP) includes resident file server and matchmaker's money
Interface module；The network operator system includes operator matchmaker and provides subsystem and operator content service network subsystem；
Content service provider's system, for matchmaker money file to be transferred into the resident file server, Yi Jiyong
Interface module is provided in matchmaker money description information is transferred into the matchmaker；
The resident file server, subsystem is provided for matchmaker money file to be transferred into the operator matchmaker；
The matchmaker provides interface module, and subsystem is provided for matchmaker money description file to be transferred into the operator matchmaker；
The operator matchmaker provides subsystem, for matchmaker money file to be injected into the operator content service network string bag
System.
According to content delivering system of the present invention, the operator matchmaker provides subsystem, for completing matchmaker's money text
After the renewal of part and matchmaker money description information, result will be updated and notify to provide interface module to the matchmaker；
The matchmaker provides interface module, for the renewal result to be sent into the resident file server；
The resident file server, the matchmaker being locally stored for deleting provides file.
According to content delivering system of the present invention, content service provider's system includes central content and manages subsystem
System, file distributing network, CTV content disposal subsystems and EPG server；
The central content manages subsystem, for the matchmaker that need to distribute to be provided under file and matchmaker money description information
It is dealt into the file distributing network；
The file distributing network, for by the way that matchmaker money file is transferred into the resident file server；
The file distributing network, for matchmaker money description information to be passed through into interface synchronization to the CTV Content Management
Subsystem；
The CTV content disposal subsystems, for matchmaker money description information to be synchronized into the EPG server；
The EPG server, the matchmaker money for matchmaker money description information to be shared to matchmaker's money interface message processor (IMP) connects
Mouth mold block.
According to content delivering system of the present invention, the central content management subsystem 11, the file distributing net
Network and the CTV content disposal subsystems are arranged at center side, and matchmaker's money interface message processor (IMP) and the EPG server are arranged at guard station
Side, and the first database of the CTV content disposal subsystems and the second database of the EPG server closed by principal and subordinate
System carries out database synchronization, and second database is shared by the EPG server and matchmaker money interface message processor (IMP).
The present invention provides interface message processor (IMP) by matchmaker, and to complete, matchmaker provides file and matchmaker provides description information from content service provider system to net
The quick distribution of network business system, matchmaker's money interface message processor (IMP) is based on http protocol and supports a variety of access protocols and a variety of data to pass
Defeated agreement, by supporting various protocols access and various mode transmission data come adaptive different application environment, so as to realize
Efficient matchmaker's money file and matchmaker's money description information distribution；It is fast, right with docking speed and the present invention supports a variety of distribution contents
The characteristics of being connected into this low low and risk, implementation process simplification and simple interface protocol.
Brief description of the drawings
Fig. 1 is the structural representation of the content delivering system of the invention based on internet television；
Fig. 2 is the structural representation for the content delivering system that the present invention is preferably based on internet television；
Fig. 3 is the flow chart of the content distribution method of the invention based on internet television；
Fig. 4 is the flow chart of the content distribution method based on internet television in first embodiment of the invention；
Fig. 5 is the flow chart of the content distribution method based on internet television in second embodiment of the invention；
Fig. 6 is content injection, the flow chart of renewal request in third embodiment of the invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1 is the structural representation of the content delivering system of the invention based on internet television, the content delivering system
100 include content service provider's system 10, matchmaker's money interface message processor (IMP) 20 and network operator system 30, wherein：
Content service provider's system 10, connects for the matchmaker that need to distribute money file and matchmaker's money description information to be transferred into matchmaker's money
Mouth machine 20.Content service provider's system 10 is located at content service provider side；Matchmaker's money file refers to matchmaker's money content in itself, for
It is exactly the file of certain video, picture or text formatting for computer；Matchmaker's money description information describes the basic of matchmaker's money
Information, includes metadata information, the pictorial information of matchmaker's money, the trailer etc. of matchmaker's money of matchmaker's money.
The matchmaker provides interface message processor (IMP) 20, is arranged between content facilitator system 10 and network operator system 30, matchmaker's money
The unit that interface message processor (IMP) 20 is created for the present invention, matchmaker's money interface message processor (IMP) 20 is based on HTTP (HyperText Transfer
Protocol, Hypertext Transport Protocol) agreement supports a variety of access protocols and a variety of Data Transport Protocols, matchmaker's money interface message processor (IMP) 20 is used
Network operator system 30 is transferred in matchmaker's money file and matchmaker are provided into description information.
Preferably, the access protocol that matchmaker's money interface message processor (IMP) 20 is supported includes HTTP+SOAP (Simple Object Access
Protocol, Simple Object Access Protocol), HTTP+XML (eXtensible Markup Language, extensible markup language
Speech) and/or HTTP+JSON (JavaScript Object Notation, JavaScript object notation, a kind of lightweight
Data interchange format) etc., matchmaker money interface message processor (IMP) 20 support Data Transport Protocol include FTP (File Transfer Protocol,
FTP) and/or HTTP etc..
Matchmaker's money interface message processor (IMP) 20 is used to complete matchmaker's money file and matchmaker's money description information is transported from content service provider's system 10 to network
Seek the high efficiency of transmission of quotient system system 30.Media interface machine 20 realize be on web (webpage) server for the standard that operates in 1) support with
Mode based on http protocol carries out interface data transmission, and realization includes connecing for HTTP+SOAP, HTTP+XML, HTTP+JSON
Mouthful, to support various protocols to access.2) support to provide text with matchmakers such as the various mode transmission such as HTTP, FTP video file, picture files
Part, disclosure satisfy that content service provider to the safety and the different demands of stability in transmission.
The present invention proposes to connect using matchmaker's money in the internet television business scope of Virtual network operator+content service provider's pattern
The technological concept of mouth machine 20, interface message processor (IMP) 20 is provided come the different docking system of automatic adaptation by matchmaker, completes matchmaker's money file and matchmaker's money
Description information is transmitted, and realizes efficient matchmaker's money file and matchmaker's money description information distribution.Docking system cost and wind can effectively be reduced
Danger, and can carry out data transmission adapting to different application environments in many ways simultaneously.
Fig. 2 is the structural representation for the content delivering system that the present invention is preferably based on internet television, the content distribution
System 100 includes content service provider's system 10, matchmaker's money interface message processor (IMP) 20 and network operator system 30；The matchmaker provides interface message processor (IMP) 20
Include matchmaker's money interface module 21 and resident file server 22；The network operator system 30 includes operator matchmaker and provides subsystem
System 31 and operator content service network subsystem 32, wherein：
Content service provider's system 10, for the matchmaker that need to distribute money file to be transferred into resident file server 22, with
And for the matchmaker that need to distribute money description information to be transferred into matchmaker's money interface module 21.
The resident file server 22, for matchmaker's money file to be transferred into operator matchmaker money subsystem 31.The guard station
File server 22 provides download service by standard HTTP, and using hot plug technology, there is provided the function to download service
Extension, for different content service provider to the demand of distribution of document there is provided the matchmaker of transmission provide the section of file, reconfigure, by
Packaged service etc. is provided according to different-format.
The matchmaker provides interface module 21, for matchmaker's money description file to be transferred into operator matchmaker money subsystem 31.
The operator matchmaker provides subsystem 31, for matchmaker's money file to be injected into operator content service network subsystem
32。
It is preferred that matchmaker's money interface message processor (IMP) 20 further comprises monitoring module, the monitoring module is used to monitor matchmaker's money file
Transmission progress.Monitoring module supported by the http protocol of standard, can monitor matchmaker's money file it is when accessed, who
Accessing, the speed that when is acquired, downloads, when complete to download etc. to have and clearly record, level diagnosis to problem, take
The lifting of business quality all has very great help.
It is preferred that the operator matchmaker money subsystem 31, the renewal of description information is provided for completing matchmaker's money file and matchmaker
Afterwards, result will be updated to notify to provide interface module 21 to matchmaker.
Matchmaker provides interface module 21, and resident file server 22 is sent to for will update result.
Resident file server 22, the matchmaker being locally stored for deleting provides file.
Matchmaker of the present invention provides interface module 21 by being cooperated with monitoring module, is monitoring after file successfully distributes, meeting
The storage that related matchmaker is provided into file is reclaimed, and can be deleted resident file server 22 and currently completed to distribute content, carry significantly
Rise the utilization rate of storage and reduce a large amount of storage consumptions.
It is preferred that matchmaker's money interface message processor (IMP) 20 uses hot-plugging technology, plug and play when realizing system docking.
It is preferred that matchmaker's money interface message processor (IMP) 20 supports a variety of access protocols and a variety of data transfers association using modular mode
View, to facilitate protocol extension.
Network operator system 30 receive client to certain matchmaker provide file download request when, if network operator system 30
File is provided in the absence of the matchmaker that request is downloaded, network operator system 30 is obtained by returning source mode from content service provider's system 10
Matchmaker provides file and is transferred to client, in order to content Quick thread.
It is preferred that content service provider's system 10 includes center CMS (Content Management System, content pipe
Reason system) 11, FDN (File Delivery NetWork, file distributing network) 12, CTV (Connected TeleVision,
Interconnect TV) content disposal subsystem 13 and EPG (Electronic Program Guide, electronic program guides) server
14, wherein：
The central content manages subsystem 11, for the matchmaker that need to distribute money file and matchmaker's money description information to be issued into text
Part distribution network 12.
The file distributing network 12, for being transferred to resident file server 22 by the way that the matchmaker is provided into file, with
And for matchmaker money description information to be passed through into interface synchronization to CTV content disposal subsystems 13.
The CTV content disposal subsystems 13, for matchmaker's money description information to be synchronized into EPG server 14.
The EPG server 14, for matchmaker to be provided into matchmaker's money interface module 21 that description information shares to matchmaker's money interface message processor (IMP) 20.
During the central content management subsystem 11, file distributing network 12 and CTV content disposal subsystems 13 are arranged at
Side is entreated, matchmaker's money interface message processor (IMP) 20 and EPG server 14 are arranged at guard station side, and the first data of CTV content disposal subsystems 13
The second database (in Fig. 2 from database) of storehouse (primary database in Fig. 2) and EPG server 14 is carried out by master slave relation
Database synchronization, the second database is shared by EPG server 14 and matchmaker's money interface message processor (IMP) 20.
The idiographic flow example of content delivering system 100 shown in Fig. 2 is as follows：
0) matchmaker money file of the central content management subsystem 11 of content service provider after by contents production, will by interface
Matchmaker provides file and matchmaker's money description information is issued in file distributing network 12.File distributing network 12 mainly complete matchmaker money file and
Matchmaker provide description information from the center system of content service provider to content service provider be deployed in carrier side system in content point
Hair.
1) file distributing network 12 is cut into slices TS (Transport Stream, transmitting stream) matchmakers such as file by http protocol
Money file is transferred on resident file server 22.
2) file distributing network 12 by matchmaker provide description information by interface synchronization into CTV content disposal subsystems 13.CTV
Content disposal subsystem 13 is used for layout, the wire management up and down that matchmaker provides the editor of description information, matchmaker provides for realizing column and channel
Deng.
3) CTV content disposal subsystems 13 are deployed in center side, and matchmaker's money interface message processor (IMP) 20, EPG server 14 are deployed in guard station
Side, so deployment are because being two level frameworks, general networking operator and content service provider and being not together, it is contemplated that safety is asked
Topic, need to be in Virtual network operator side deployment system.The database of CTV content disposal subsystems 13 and the database of EPG server 14
By Master (master), Slave (from) mode carries out database synchronization so that matchmaker's money description information sinks to guard station matchmaker money
In system, Slave databases are shared by matchmaker's money interface message processor (IMP) 20 with EPG server 14.
4) matchmaker is provided description information by HTTP+XML and updated into operator matchmaker money subsystem 31 by matchmaker's money interface module 21.
5) matchmaker cut into slices is provided file by resident file server 22, and collect different code checks according to each list breaks into independence respectively
Tar bags are placed in local directory, and operator matchmaker provides subsystem 31 and passes through HTTP according to URL addresses in matchmaker's money description information XML
Agreement downloads to matchmaker's money file tar bags in operator's media resource system 31.
To same content, the ts files of different code check forms can be packaged in same tar files, the ts texts of same code check
Under a kind of identical file folder of part M3U8 corresponding with the code check (play list file form) file in tar bags.Assuming that Ts
A length of 10 seconds when file is cut into slices, each code check of each single collection of content can individually break into a tar bag.For example, for film
" movie name ", provided that three kinds of code check forms, then can have three tar bags.For serial " serial title ", if
Three kinds of code check forms are provided, then the first rally has three tar bags, and the second collection can also have three tar bags, by that analogy.
6) operator matchmaker money subsystem 31 is completed after the renewal of matchmaker's money content and matchmaker's money description information, notifies matchmaker to provide interface mould
The content update result of block 21.
7) matchmaker's money interface module 21 returns to resident file server 22 and deletes the matchmaker's money file issued.Resident file
Server 22 is deleted by interface XML descriptions specifies matchmaker to provide file, and matchmaker provides file only in operator content service network string bag
Preserved in system 32.
Specifically, advantage of the present invention is as follows：
1st, the Quick thread of business is ensured：, it is necessary to repeatedly initiate control message order in traditional content distribution method,
And issuing for content is realized by File Transfer Protocol, and File Transfer Protocol requires that related matchmaker's money file there must be, and otherwise can cause down
Carry failure and cause the problem of content can not reach the standard grade.By the support to HTTP download protocols, with effective solution, this is asked the present invention
Topic, for that when the HTTP request for being connected to client downloads file, if this document is not present in content service provider's system 10, can pass through
Hui Yuan mode obtains matchmaker's money file, and matchmaker's money file is transferred into client by progressive mode, can effectively reduce pair
The time connect, realize the Quick thread of business.
2nd, process simplification and interface protocol are simple：The present invention sends control command by XML or JSON modes, and by more
Simple descriptive interface describes the function of interface and the effect of relevant parameter.The features such as flow has simple, state independence,
The learning cost and development difficulty of developer, tester can be substantially reduced, while directly can be completed by browser
The request of related protocol, error easily analyze the features such as directly perceived, easy with testing.
3rd, the support of various protocols：With technology continue to develop and requirement of the telecom operators to self-technique not
Together, the support in face of various protocols is often needed in both sides' system docking, it is many to realize that the present invention provides interface message processor (IMP) 20 by matchmaker
The access of agreement is planted, including HTTP+SOAP, HTTP+XML, HTTP+JSON etc..It can provide interface message processor (IMP) 20 to realize by matchmaker simultaneously
The data transfer of various protocols, including pass through FTP modes, HTTP modes etc..The support of various protocols, in content service provider
The Services Integration of portion's system and issue also provide effective support, including the existed system of content service provider is quickly collected
Into the risk that reduction is transformed existed system.The support of various protocols effectively reduces the difficulty of docking and the risk of docking.
4th, more preferable protocol extension：When needing to support new agreement, it is thus only necessary to added in matchmaker's money interface message processor (IMP) 20
Module is realized in the encapsulation of respective protocol, and core system need not do any change.More preferable protocol extension support, effectively
The autgmentability of system is improved, supports the agreement and access way that update to provide report barrier for system in future, it also avoid simultaneously
The transformation of core system, reduces risk.
5th, quick content distribution and reduction content storage：In traditional content distribution, HTTP+SOAP is mainly employed
Control command is sent, FTP is carried out the mode of content transmission, file transmission carried out by the way of FTP, FTP technical characterstic is made
Provider into content can not effectively monitor herein below：Whether A, content are downloadedWhether B, content have been transmitted
FinishWhether C, content transmission process make a mistakeEtc. various problems, and the present invention passes through the branch to HTTP content downloading modes
Hold, can effectively monitor situation as mentioned above.When monitoring content transmission and finishing, content providers can be deleted currently
The content of distribution is completed, so as to effectively lift the utilization rate of storage and the consumption of reduction storage.When monitoring occurs abnormal,
Rapidly Wrong localization and can timely it alert, so as to lift overall service quality.
Fig. 3 is the flow chart of the content distribution method of the invention based on internet television, and it can pass through such as Fig. 1 or Fig. 2 institutes
The content delivering system 100 shown is realized, described to have including step：
Step S301, sets matchmaker to provide interface message processor (IMP) 20, matchmaker between content facilitator system 10 and network operator system 30
Provide interface message processor (IMP) 20 and be based on the http protocol a variety of access protocols of support and a variety of Data Transport Protocols.
Preferably, the access protocol that matchmaker's money interface message processor (IMP) 20 is supported includes HTTP+SOAP, HTTP+XML and/or HTTP+
JSON etc., the Data Transport Protocol that matchmaker's money interface message processor (IMP) 20 is supported includes FTP and/or HTTP etc..
Preferably, the access protocol that matchmaker's money interface message processor (IMP) 20 is supported includes HTTP+SOAP, HTTP+XML and/or HTTP+
JSON etc., the Data Transport Protocol that matchmaker's money interface message processor (IMP) 20 is supported includes FTP and/or HTTP etc..Matchmaker's money interface message processor (IMP) 20 is used to complete
Matchmaker provides file and matchmaker provides description information from content service provider's system 10 to the high efficiency of transmission of network operator system 30.Media interface
It is on web (webpage) server for the standard that operates in 1 that machine 20, which is realized) support to enter line interface in the way of based on http protocol
Data transfer, realization includes HTTP+SOAP, HTTP+XML, HTTP+JSON interface, to support various protocols to access.2) support
File is provided with matchmakers such as the various mode transmission such as HTTP, FTP video file, picture files, disclosure satisfy that content service provider to transmission
In safety and stability different demands.
It is preferred that matchmaker's money interface message processor (IMP) 20 supports a variety of access protocols and a variety of data transfers association using modular mode
View, in order to protocol extension；Matchmaker's money interface message processor (IMP) 20 uses hot-plugging technology；Matchmaker's money interface message processor (IMP) 20 can monitor the biography that matchmaker provides file
Degree of being input into.
Step S302, the matchmaker that need to distribute is provided content service provider's system 10 into file and matchmaker's money description information is transferred to matchmaker's money and connect
Mouth machine 20.
Content service provider's system 10 is located at content service provider side；Matchmaker's money file refers to matchmaker's money content in itself, right
It is exactly the file of certain video, picture or text formatting for computer；Matchmaker's money description information describes the base of matchmaker's money
This information, includes metadata information, the pictorial information of matchmaker's money, the trailer etc. of matchmaker's money of matchmaker's money.
Step S303, matchmaker provides interface message processor (IMP) 20 and matchmaker's money file and matchmaker's money description information is transferred into network operator system 30.
The present invention provides interface message processor (IMP) 20 by matchmaker and realizes that matchmaker provides file and matchmaker provides the quick distribution of description information, is connect by matchmaker's money
Mouthful machine 20 comes a variety of access protocols of automatic adaptation and access way, and supports a variety of distribution contents, with docking speed is fast, risk
It is low, support various protocols the characteristics of.
The emphasis of the present invention is distributed in the transmission that the completion matchmaker money file of interface message processor (IMP) 20 and matchmaker's money description information are provided by matchmaker,
It is small to the transformation of existing system, disclosure satisfy that the features such as low exploitation test of adaptation multiple systems, learning cost is simple.The present invention's
Total system employs microkernel designs, employs the hot-plugging technology of plug and play, is realized by modular mode a variety of
The support of agreement and the support of a variety of transmission means.
The built-in system integration section of present disclosure service provider employs standard HTTP server, is supported by extending
The mode of agreement, supports HTTP+SOAP, HTTP+XML, HTTP+JSON etc., can be effectively existing inside content service provider
The system integration is into matchmaker's money interface message processor (IMP) 20.External system integration section of the present invention, employs standard HTTP server, passes through extension
The mode of agreement, supports HTTP+SOAP, HTTP+XML, HTTP+JSON etc., and the difference that can adapt to dock content service provider connects
Cause for gossip shows.
Fig. 4 is the flow chart of the content distribution method based on internet television in first embodiment of the invention, and it can pass through
Content delivering system 100 as shown in Figure 2 is realized, described to have including step：
Matchmaker's money file is transferred to resident file server 22 by step S401, content service provider's system 10.
Matchmaker's money description information is transferred to matchmaker's money interface module 21 by step S402, content service provider's system 10.
In the absence of point of order between step S401 and S402.
Matchmaker's money file is transferred to operator matchmaker money subsystem 31 by step S403, resident file server 22.
Step S404, matchmaker provides interface module 21 and matchmaker's money description file is transferred into operator matchmaker money subsystem 31.
In the absence of point of order between step S403 and S404.
Step S405, operator matchmaker provides subsystem 31 and matchmaker's money file is injected into operator content service network subsystem
32。
Step S406, operator matchmaker money subsystem 31 is completed after the renewal of matchmaker's money file and matchmaker's money description information, will be updated
As a result notify to provide interface module 21 to matchmaker.
Step S407, matchmaker provides interface module 21 and is sent to resident file server 22 by result is updated.
Step S408, resident file server 22 deletes the matchmaker's money file being locally stored.
Preferably, network operator system 30 receive client to certain matchmaker provide file download request when, if network transport
Seek quotient system system 30 and matchmaker's money file that request is downloaded is not present, network operator system 30 is by returning source mode from content service quotient system
Matchmaker's money file is obtained in system 10 and client is transferred to, in order to content Quick thread.
Fig. 5 is the flow chart of the content distribution method based on internet television in second embodiment of the invention, and it can pass through
Content delivering system 100 as shown in Figure 2 is realized, described to have including step：
Step S501, central content manages subsystem 11 and the matchmaker that need to distribute money file and matchmaker's money description information is issued into text
Part distribution network 12.
Step S502, file distributing network 12 is by the way that matchmaker's money file is transferred on resident file server 22.
Matchmaker's money description information is passed through interface synchronization to CTV content disposal subsystems by step S503, file distributing network 12
13。
Matchmaker's money description information is synchronized to EPG server 14 by step S504, CTV content disposal subsystem 13.
Matchmaker is provided matchmaker's money interface module 21 that description information shares to matchmaker's money interface message processor (IMP) 20 by step S505, EPG server 14.
In the present embodiment, central content management subsystem 11, file distributing network 12 and CTV content disposal subsystems 13
It is arranged at center side, matchmaker's money interface message processor (IMP) 20 and EPG server 14 are arranged at guard station side, and CTV content disposal subsystems 13
Second database of the first database and EPG server 14 carries out database synchronization by master slave relation, and the second database is by EPG
Server 14 and matchmaker's money interface message processor (IMP) 20 are shared.
Matchmaker's money file is transferred to operator matchmaker money subsystem 31 by step S506, resident file server 22.
Step S507, matchmaker provides interface module 21 and matchmaker's money description file is transferred into operator matchmaker money subsystem 31.
Step S508, operator matchmaker provides subsystem 31 and matchmaker's money file is injected into operator content service network subsystem
32。
Step S509, operator matchmaker money subsystem 31 is completed after the renewal of matchmaker's money file and matchmaker's money description information, will be updated
As a result notify to provide interface module 21 to matchmaker.
Step S510, matchmaker provides interface module 21 and is sent to resident file server 22 by result is updated.
Step S511, resident file server 22 deletes the matchmaker's money file being locally stored.
Fig. 6 has for the flow chart that content injection, renewal are asked in third embodiment of the invention, including step：
1st, content service provider's system 10 provides the injection of the request content of interface message processor (IMP) 20 to matchmaker, updated.
2nd, matchmaker's money interface message processor (IMP) 20 calls content injection, updates request interface, operator matchmaker money subsystem 31 is notified, referring to table
One, when having new content or content modification or content is deleted or be offline and when product information is changed, notify operator matchmaker money
Subsystem 31.
3rd, operator matchmaker money subsystem 31 response injection, renewal request, and handle.
4th, operator matchmaker money subsystem 31 returns to response results.
5th, operator matchmaker money subsystem 31 obtains matchmaker's money description information and is put in storage, referring to table two.
6th, operator matchmaker money subsystem 31 obtains matchmaker's money file, referring to table three.
7th, matchmaker's money file is injected into operator content service network subsystem 32 by operator matchmaker money subsystem 31.
8th, operator content service network subsystem 32 carries out content injection processing.
9th, operator content service network subsystem 32 is injected back into result (comprising two grades of M3U8 entry files lists) and arrived
Operator matchmaker provides subsystem 31.
10th, operator matchmaker money subsystem 31 notifies matchmaker to provide interface message processor (IMP) 20 and inject, update result (comprising two grades of M3U8 entrances texts
Part list), referring to table four.
11st, matchmaker provides interface message processor (IMP) 20 and (includes two to the injection of the content of announcement management system of content facilitator system 10, renewal result
Level M3U8 entry files list).
12nd, the progress of content service provider's system 10 content is reached the standard grade.(it is such as deletion or offline business operation, then without in content
Line step).
The injection of the content of table one, renewal request interface table
Table two, matchmaker's money description information obtain interface table
Table three, matchmaker's money file acquisition interface table
Table four, content injection, renewal request results notification interface table
In summary, the present invention provides interface message processor (IMP) by matchmaker and provides file and matchmaker's money description information from content service provider to complete matchmaker
System is to the quick distribution of network operator system, and matchmaker money interface message processor (IMP) is based on http protocol and supports a variety of access protocols and many
Data Transport Protocol is planted, by supporting various protocols access and various mode transmission data come adaptive different application environment,
So as to realize efficient matchmaker's money file and matchmaker's money description information distribution；And the present invention supports a variety of distribution contents, with docking
The characteristics of speed is fast, docking cost is low and risk is low, implementation process simplifies and interface protocol is simple.
Certainly, the present invention can also have other various embodiments, ripe in the case of without departing substantially from spirit of the invention and its essence
Various corresponding changes and deformation, but these corresponding changes and change ought can be made according to the present invention by knowing those skilled in the art
Shape should all belong to the protection domain of appended claims of the invention.
Claims (14)
1. a kind of content distribution method based on internet television, it is characterised in that have including step：
Matchmaker is set to provide interface message processor (IMP) between content facilitator system and network operator system, matchmaker's money interface message processor (IMP) is based on HTTP
Agreement supports a variety of access protocols and a variety of Data Transport Protocols；
The matchmaker that need to distribute is provided content service provider's system into file and matchmaker's money description information is transferred to the matchmaker and provides interface message processor (IMP)；
The matchmaker is provided matchmaker's money interface message processor (IMP) into file and matchmaker money description information is transferred to the network operator system；
Matchmaker's money interface message processor (IMP) includes resident file server and matchmaker's money interface module；The network operator system includes fortune
Seek business matchmaker's money subsystem and operator content service network subsystem；
The matchmaker that need to distribute is provided content service provider's system into file and matchmaker's money description information is transferred to the matchmaker and provides interface message processor (IMP)
Step includes：
Matchmaker money file is transferred to the resident file server by content service provider's system；
Matchmaker money description information is transferred to the matchmaker and provides interface module by content service provider's system；
The matchmaker is provided matchmaker's money interface message processor (IMP) into file and matchmaker money description information is transferred to the network operator system
Step includes：
Matchmaker money file is transferred to the operator matchmaker and provides subsystem by the resident file server；
Matchmaker money description information is transferred to the operator matchmaker and provides subsystem by matchmaker's money interface module；
Matchmaker money file is injected into the operator content service network subsystem by the operator matchmaker money subsystem；
The matchmaker is provided the step that file is injected into the operator content service network subsystem by the operator matchmaker money subsystem
Also include after rapid：
The operator matchmaker money subsystem is completed after the renewal of matchmaker's money file and matchmaker money description information, will update result
Notify to provide interface module to the matchmaker；
The renewal result is sent to the resident file server by matchmaker's money interface module；
The resident file server deletes the matchmaker money file being locally stored；
Content service provider's system includes central content management subsystem, file distributing network, internet television CTV content pipes
Manage subsystem and electronic program guide (EPG) server；
The matchmaker that need to distribute is provided content service provider's system into file and matchmaker's money description information is transferred to the matchmaker and provides interface message processor (IMP)
Step includes：
The matchmaker that need to distribute money file and matchmaker money description information are issued to described by the central content management subsystem
File distributing network；
Matchmaker money file is transferred on the resident file server by the file distributing network；
Matchmaker money description information is passed through interface synchronization to the CTV content disposal subsystems by the file distributing network；
Matchmaker money description information is synchronized to the EPG server by the CTV content disposal subsystems；
The matchmaker is provided description information and shares to the matchmaker money interface module that the matchmaker provides interface message processor (IMP) by the EPG server.
2. content distribution method according to claim 1, it is characterised in that the access protocol includes HTTP+SOAP,
HTTP+XML and/or HTTP+JSON, the Data Transport Protocol includes FTP and/or HTTP.
3. content distribution method according to claim 1, it is characterised in that matchmaker's money interface message processor (IMP) uses modular mode
Support a variety of access protocols and a variety of Data Transport Protocols.
4. content distribution method according to claim 1, it is characterised in that matchmaker's money interface message processor (IMP) uses hot-swappable skill
Art.
5. content distribution method according to claim 1, it is characterised in that the network operator system receives client
When providing the download request of file to certain matchmaker, if the matchmaker money file that request is downloaded, institute is not present in the network operator system
Network operator system is stated to obtain matchmaker's money file from content service provider's system by time source mode and be transferred to institute
State client.
6. content distribution method according to claim 1, it is characterised in that matchmaker's money text described in matchmaker's money interface machine monitoring
The transmission progress of part.
7. content distribution method according to claim 1, it is characterised in that the central content management subsystem, described
File distributing network and the CTV content disposal subsystems are arranged at center side, matchmaker's money interface message processor (IMP) and the EPG server
It is arranged at guard station side, and the first database and the second database of the EPG server of the CTV content disposal subsystems
Database synchronization is carried out by master slave relation, second database is shared by the EPG server and matchmaker money interface message processor (IMP).
8. a kind of content delivering system based on internet television, it is characterised in that include content service provider's system, matchmaker's money and connect
Mouth machine and network operator system；
Content service provider's system, for the matchmaker that need to distribute money file and matchmaker's money description information to be transferred to the matchmaker and provide interface
Machine；
The matchmaker provides interface message processor (IMP), is arranged between content service provider's system and network operator system, and the matchmaker provides interface message processor (IMP) base
A variety of access protocols and a variety of Data Transport Protocols are supported in http protocol, matchmaker's money interface message processor (IMP) is used to the matchmaker providing file
The network operator system is transferred to matchmaker money description information；
Matchmaker's money interface message processor (IMP) includes resident file server and matchmaker's money interface module；The network operator system includes fortune
Seek business matchmaker's money subsystem and operator content service network subsystem；
Content service provider's system, for matchmaker money file to be transferred into the resident file server, and for inciting somebody to action
Matchmaker's money description information is transferred to matchmaker's money interface module；
The resident file server, subsystem is provided for matchmaker money file to be transferred into the operator matchmaker；
The matchmaker provides interface module, and subsystem is provided for matchmaker money description information to be transferred into the operator matchmaker；
The operator matchmaker provides subsystem, for matchmaker money file to be injected into the operator content service network subsystem
System；
The operator matchmaker provides subsystem, will more after the renewal for completing matchmaker's money file and matchmaker money description information
New result notifies to provide interface module to the matchmaker；
The matchmaker provides interface module, for the renewal result to be sent into the resident file server；
The resident file server, the matchmaker being locally stored for deleting provides file；
Content service provider's system includes central content management subsystem, file distributing network, internet television CTV content pipes
Manage subsystem and electronic program guide (EPG) server；
The central content manages subsystem, for the matchmaker that need to distribute money file and matchmaker money description information to be issued to
The file distributing network；
The file distributing network, for matchmaker money file to be transferred into the resident file server；
The file distributing network, for matchmaker money description information to be passed through into interface synchronization to the CTV Content Management subsystem
System；
The CTV content disposal subsystems, for matchmaker money description information to be synchronized into the EPG server；
The EPG server, the matchmaker money interface mould that the matchmaker provides interface message processor (IMP) is shared to for the matchmaker to be provided into description information
Block.
9. content delivering system according to claim 8, it is characterised in that the access protocol includes HTTP+SOAP,
HTTP+XML and/or HTTP+JSON, the Data Transport Protocol includes FTP and/or HTTP.
10. content delivering system according to claim 8, it is characterised in that matchmaker's money interface message processor (IMP) uses modularization side
Formula supports a variety of access protocols and a variety of Data Transport Protocols.
11. content delivering system according to claim 8, it is characterised in that matchmaker's money interface message processor (IMP) uses hot-swappable skill
Art.
12. content delivering system according to claim 8, it is characterised in that the network operator system receives client
When holding the download request to certain matchmaker money file, if the matchmaker money file that request is downloaded is not present in the network operator system,
The network operator system obtains matchmaker's money file by time source mode and is transferred to from content service provider's system
The client.
13. content delivering system according to claim 8, it is characterised in that matchmaker's money interface message processor (IMP) further comprises：
Monitoring module, the transmission progress of file is provided for monitoring the matchmaker.
14. content delivering system according to claim 8, it is characterised in that the central content management subsystem, described
File distributing network and the CTV content disposal subsystems are arranged at center side, matchmaker's money interface message processor (IMP) and the EPG server
It is arranged at guard station side, and the first database and the second database of the EPG server of the CTV content disposal subsystems
Database synchronization is carried out by master slave relation, second database is shared by the EPG server and matchmaker money interface message processor (IMP).
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106598721B (en) * | 2016-12-27 | 2020-01-03 | 优地网络有限公司 | Media asset data streaming method and device |
| CN106791974B (en) * | 2016-12-27 | 2020-03-27 | 优地网络有限公司 | Media asset issuing method and device of IPTV service system |
| CN108255821A (en) * | 2016-12-28 | 2018-07-06 | 上海昕丝文化传播有限公司 | Video the second screen plateform system |
| CN106488319A (en) * | 2016-12-28 | 2017-03-08 | 上海昕丝文化传播有限公司 | Networked video plays device blocks |
| CN106959996B (en) * | 2017-01-20 | 2020-10-13 | 华数传媒网络有限公司 | Background data synchronization method based on Internet television |
| CN107241619B (en) * | 2017-08-07 | 2020-03-10 | 深圳市茁壮网络股份有限公司 | Media asset content synchronization method and device |
| CN109982107A (en) * | 2017-12-27 | 2019-07-05 | 上海文广互动电视有限公司 | The file content injected system and method for tv telecasting control platform |
| CN109618195A (en) * | 2018-12-27 | 2019-04-12 | 贵州省广播电视信息网络股份有限公司 | A method of platform injection feedback is provided for handling downstream matchmaker |
| CN109831683B (en) * | 2019-01-03 | 2021-04-06 | 中国电信股份有限公司新疆分公司 | Third-party resource fusion arrangement method and system based on CMS platform under IPTV |
| CN111163127B (en) * | 2019-12-02 | 2021-12-14 | 聚好看科技股份有限公司 | Media asset attribute pushing method and server |
| CN113382286A (en) * | 2021-06-07 | 2021-09-10 | 中山亿联智能科技有限公司 | Method for automatically processing file downloading notification based on IPTV |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101286992A (en) * | 2008-05-30 | 2008-10-15 | 中兴通讯股份有限公司 | Content transmission system and processing method |
| CN101438267A (en) * | 2006-04-07 | 2009-05-20 | 戴尔产品有限公司 | Providing third party content to media devices |
| CN102917253A (en) * | 2011-08-03 | 2013-02-06 | 华为软件技术有限公司 | TSTV (time shift television) play control method and TSTV system |
| CN103200431A (en) * | 2012-01-06 | 2013-07-10 | 国家广播电影电视总局广播科学研究院 | Implementation method for injecting content assets into interface through interactive television service background system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020161928A1 (en) * | 2000-10-10 | 2002-10-31 | Awele Ndili | Smart agent for providing network content to wireless devices |
-
2014
- 2014-07-17 CN CN201410340126.3A patent/CN104092764B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101438267A (en) * | 2006-04-07 | 2009-05-20 | 戴尔产品有限公司 | Providing third party content to media devices |
| CN101286992A (en) * | 2008-05-30 | 2008-10-15 | 中兴通讯股份有限公司 | Content transmission system and processing method |
| CN102917253A (en) * | 2011-08-03 | 2013-02-06 | 华为软件技术有限公司 | TSTV (time shift television) play control method and TSTV system |
| CN103200431A (en) * | 2012-01-06 | 2013-07-10 | 国家广播电影电视总局广播科学研究院 | Implementation method for injecting content assets into interface through interactive television service background system |
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