CN104219546B - The method of compatibility constant code rate and variable bit rate based on IPTV - Google Patents
The method of compatibility constant code rate and variable bit rate based on IPTV Download PDFInfo
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Abstract
The present invention is suitable for IPTV technical fields, provides a kind of method and system of compatibility constant code rate and variable bit rate based on IPTV, the method includes the steps have：The constant code rate program produced and/or variable bit rate program are issued to service provider's guard station Content Management System by service provider's central content management system；Constant code rate program and/or variable bit rate program are issued to operator content and manage system by service provider's guard station Content Management System；Constant code rate program and/or variable bit rate program are injected into content distribution network system by operator content management system, and electronic program guidance system is notified to update programme information；Set-top box obtains constant code rate program or variable bit rate program by electronic program guidance system from content distribution network system.Whereby, the present invention can be compatible with CBR programs and VBR programs based on existing IPTV system, and the existing IPTV system resource that adequately protected, and can greatly save system Construction cost.
Description
Technical field
The present invention relates to technical field more particularly to a kind of sides of compatibility constant code rate and variable bit rate based on IPTV
Method.
Background technology
With the continuous development of IPTV (Internet Protocol Television, Internet protocol television) technology,
IPTV SD business can not meet user demand, need to develop IPTV high definitions business to promote user experience.But current
There are the following problems for IPTV high definitions business：
One, data storage problem.Conventional IPTV high definition business is compiled using CBR (Constant Bit Rate, constant code rate)
Code technology, code check are usually all 8Mbps (megabit per second) or more, then when the data storage that occupies of a length of 1 hour high-definition program
Amount reaches 3600*8Mbps/8=3.6G (kilomegabit).And it is encoded according to VBR (Variable Bit Rate, variable bit rate)
Technology, it is assumed that average bit rate 2.3Mbps, then when the data storage capacity that occupies of a length of 1 hour high-definition program reach 3600*
2.3Mbps/8=1.035G.As it can be seen that the data storage capacity of VBR programs is the one third of the data storage capacity of CBR programs, and
The video quality of VBR programs and CBR programs is in user's perceptually basic indifference, therefore use VBR coding techniques offer IPTV
High definition business can greatly reduce data storage capacity, to reduce carrying cost.
Two, transmission bandwidth restricted problem.The access band that each common carrier provides at present simultaneously differs, for example, at present in
The broadband development of telecom operators of each province of state is unbalanced, some Telecom broadband services are mainly based on 2M, 4M user.Therefore
Develop IPTV high definitions business based on this certain customers to encode according to 8Mbps or more CBR, user can not watch at all.And it uses
The high-definition program that the VBR that average bit rate is 2.3Mbps is encoded, and solved based on RTSP (Real Time by certain means
Streaming Protocol, real time streaming transport protocol) in agreement VBR programs in CDN (Content Delivery
Network, content distributing network) it broadcasts stream and set-top box video playback problem user can be allowed to watch high definition section under the bandwidth of 4M
Mesh.
Three, the protection problem of existing system resource.IPTV system is one and is broadcast comprising Content Management, operation support, content
The complication system of control, security monitoring etc..If realizing, IPTV high definition business abandons existing IPTV system and separately builds a set of new IPTV systems
System, the existing IPTV system of one side are not fully used and lead to the wasting of resources, and on the other hand new IPTV system can be brought
High construction cost problem.
In summary, the existing technology has inconveniences and defects in actual use, so it is necessary to be improved.
Invention content
For above-mentioned defect, the purpose of the present invention is to provide a kind of compatibility constant code rate and variable code based on IPTV
The method of rate can be compatible with CBR programs and VBR programs to provide more diversified TV service based on existing IPTV system,
And adequately protected existing IPTV system resource, can greatly save system Construction cost.
To achieve the goals above, the present invention provides a kind of side of compatibility constant code rate and variable bit rate based on IPTV
Method, which is characterized in that have including step：
The constant code rate program produced and/or variable bit rate program are issued to clothes by service provider's central content management system
Business quotient guard station Content Management System；
Service provider guard station Content Management System issues the constant code rate program and/or the variable bit rate program
System is managed to operator content；
The constant code rate program and/or the variable bit rate program are injected into interior by the operator content management system
Content distributing network system, and electronic program guidance system is notified to update programme information；
Set-top box obtains the constant code by the electronic program guidance system from the content distribution network system
Rate program or the variable bit rate program.
Method according to the present invention, the constant code rate program that service provider's central content management system will be produced
And/or variable bit rate program is issued to the step of service provider's guard station Content Management System and includes：
It is permanent defined in the code check type field of piece source object in the C2 interfaces that service provider's central content manages system
Constant bit rate enumerated value and variable bit rate enumerated value；
Service provider's central content management system by the C2 interfaces by the constant code rate program produced and/
Or the variable bit rate program is issued to service provider guard station Content Management System.
Method according to the present invention, the program of service provider's central content management system, which issues in data model, to be determined
An adopted program includes multiple program categories, hangs the constant code rate film source of at least one code check under each program category respectively
And/or variable bit rate film source.
Method according to the present invention, service provider's central content management system pass through the mapping in the C2 interfaces
Object establishes the correspondence of the program and the constant code rate film source and/or the variable bit rate film source.
Method according to the present invention, the set-top box is by the electronic program guidance system from the content distribution
The step of constant code rate program or the variable bit rate program are obtained in network system include：
The set-top box accesses the electronic program guidance system request and watches the constant code rate program or described variable
Code check program；
The set-top box accesses AAA system to be done to user and the constant code rate program or the variable bit rate program
Certification, authentication；
The set-top box accesses the content distribution network system and obtains the constant code rate program or the variable bit rate
Program.
Method according to the present invention, a virtual programs in the programme details page of the electronic program guidance system
The broadcasting entrance of corresponding multiple programs provides the associated information interface of the virtual programs by operator content management system and obtains
Take associated programme information and broadcast address.
Method according to the present invention, the film source code field that the virtual programs pass through program object with the program
Establish association.
Method according to the present invention, the content distribution network system is given out a contract for a project by the original code check of program transmits the perseverance
Constant bit rate program or the variable bit rate program give the set-top box.
The system of the present invention also provides a kind of compatibility constant code rate and variable bit rate based on IPTV, including at least there is service
Quotient's central content manages system, service provider's guard station Content Management System, operator content management system, content distributing network system
System, electronic program guidance system and set-top box；
Service provider's central content manages system, the constant code rate program for will produce and/or variable bit rate section
Now it is dealt into service provider guard station Content Management System；
Service provider guard station Content Management System is used for the constant code rate program and/or the variable bit rate section
Now it is dealt into the operator content management system；
The operator content manages system, for noting the constant code rate program and/or the variable bit rate program
Enter to the content distribution network system, and notifies the electronic program guidance system update programme information；
The set-top box obtains institute for passing through the electronic program guidance system from the content distribution network system
State constant code rate program or the variable bit rate program.
System according to the present invention, service provider's central content management system are used for the piece source object in C2 interfaces
Code check type field defined in constant code rate enumerated value and variable bit rate enumerated value, and will be produced by the C2 interfaces
The constant code rate program and/or the variable bit rate program are issued to service provider guard station Content Management System.
System according to the present invention, the program of service provider's central content management system, which issues in data model, to be determined
An adopted program includes multiple program categories, hangs the constant code rate film source of at least one code check under each program category respectively
And/or variable bit rate film source.
System according to the present invention, service provider's central content management system pass through the mapping in the C2 interfaces
Object establishes the correspondence of the program and the constant code rate film source and/or the variable bit rate film source.
System according to the present invention, the set-top box access the electronic program guidance system request and watch the perseverance
Constant bit rate program or the variable bit rate program；Then the set-top box accesses AAA system with to user and the constant code
Rate program or the variable bit rate program do certification, authentication；The last set-top box accesses the content distribution network system and obtains
Take the constant code rate program or the variable bit rate program.
System according to the present invention, a virtual programs in the programme details page of the electronic program guidance system
The broadcasting entrance of corresponding multiple programs provides the associated information interface of the virtual programs by operator content management system and obtains
Take associated programme information and broadcast address.
System according to the present invention, the film source code field that the virtual programs pass through program object with the program
Establish association.
System according to the present invention, the content distribution network system is given out a contract for a project by the original code check of program transmits the perseverance
Constant bit rate program or the variable bit rate program give the set-top box.
The present invention fully considers the business and technical need of common carrier, in existing IPTV system to CBR programs and
The contents production of VBR programs, down sending content, CDN spit stream and set-top box broadcast strategy, content presentation etc. carry out compatible place
Reason, so as to be compatible with CBR programs and VBR programs based on existing IPTV system to provide more diversified TV service, user
CBR programs or VBR program viewings can be selected according to actual demand on the basis of meeting bandwidth requirement, and the present invention is abundant
Existing IPTV system resource is protected, system Construction cost can be greatlyd save.
Description of the drawings
Fig. 1 is the structural schematic diagram the present invention is based on the compatibility constant code rate of IPTV and the system of variable bit rate；
Fig. 2 is that the present invention is preferably based on the compatibility constant code rate of IPTV and the system construction drawing of variable bit rate；
Fig. 3 is that the program of service provider's central content management system of the present invention issues the schematic diagram of data model；
Fig. 4 is that the present invention is based on the compatibility constant code rate of IPTV and the method flow diagrams of variable bit rate；
Fig. 5 is that the present invention is preferably based on the compatibility constant code rate of IPTV and the method flow diagram of variable bit rate.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
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 schematic diagram the present invention is based on the compatibility CBR of IPTV and the system of variable bit rate, the system 100
System (Content Management System, CMS) 10, service provider guard station are managed including at least there is service provider's central content
Content Management System 20, operator content management system 30, content distributing network (Content Delivery Network,
CDN) system 40, EPG (Electronic Program Guide, electronic program guides) systems 50 and set-top box 60, wherein：
Service provider's central content manages system 10, and CBR programs and/or VBR programs for will produce are issued to
Service provider's guard station Content Management System 20.Service provider's central content management system 10 is located at service provider side.Preferably, it takes
Code check type (BitRateType) word of quotient's central content of being engaged in management system 10 for film source (movie) object in C2 interfaces
CBR enumerated values and VBR enumerated values defined in section, and be issued to the CBR programs produced and/or VBR programs by C2 interfaces
Service provider's guard station Content Management System 20.C2 interfaces definition referring to《China Telecom's IPTV service management platform and business system
System interface specification》.It includes multiple sections that the program of service provider's central content management system 10, which issues a program defined in data model,
Mesh type hangs the CBR film sources and/or VBR film sources of at least one code check under each program category respectively.Service provider's central content pipe
Reason system 10 establishes the correspondence of program and CBR film sources and/or VBR film sources by the mapping object in C2 interfaces.
Service provider guard station Content Management System 20, for CBR programs and/or VBR programs to be issued in operator
Content management system 30.Service provider guard station Content Management System 20 is located at service provider side.
The operator content manages system 30, for CBR programs and/or VBR programs to be injected into content distributing network
System 40, and EPG system 50 is notified to update programme information.The operator content management system 30, content distribution network system
40 and EPG system 50 be respectively positioned on carrier side.
The set-top box 60, for obtaining CBR programs or VBR from content distribution network system 40 by EPG system 50
Program.User obtains by set-top box 60 according to actual demand and watches CBR programs or VBR programs.
Preferably, set-top box 60 accesses the request of EPG system 50 viewing CBR programs or VBR programs；Then set-top box 60 is visited
Ask AAA (Authentication certifications, Authorization are authorized, Accounting chargings) system with to user and CBR
Program or VBR programs do certification, authentication；Last set-top box 60 accesses content distribution network system 40 and obtains CBR programs or VBR sections
Mesh.Content distribution network system 40 is given out a contract for a project by the original code check of program transmits CBR programs or VBR programs to set-top box 60.The machine
Top box 60 is located at user side.A virtual programs (Virtual Program) is right in the programme details page of the EPG system 50
The broadcasting entrance for answering multiple programs provides the associated information interface of the virtual programs by operator content management system 30 and obtains pass
The programme information and broadcast address of connection.Piece source code (Rmediacode) word that the virtual programs pass through program object with program
Duan Jianli is associated with.
The present invention fully considers the business and technical need of common carrier, proposes what a kind of same CBR IPTV systems were compatible with
VBR IPTV system methods.Conventional IPTV is used provides electricity based on common carrier private network by multicast transmission CBR videos
Depending on service.The compatibility refers to IPTV system while having the contents production, down sending content, CDN of CBR programs and VBR programs to spit stream
And set-top box broadcast strategy, content are presented.Because the present invention is a set of compatibility VBR IPTV based on original CBR IPTV systems
System.Under the premise of consumer wideband meets VBR video code rates and plays, such as user is 4M bandwidth, then can play VBR_2.3M
Program not only can play VBR_2.3M programs if user is 8M bandwidth but also can play VBR_4M programs, and user can select as desired
It selects.
Fig. 2 is that the present invention is preferably based on the compatibility constant code rate of IPTV and the system construction drawing of variable bit rate, VBR IPTV
Being different from traditional CBR IPTV mainly has several aspects：Contents production, down sending content, content distribution network system spit stream and machine
Top box broadcast strategy, content are presented.It need to be based partially on existing IPTV system to distinguishing above and do compatibility.The IPTV's is compatible permanent
100 process flow of system of constant bit rate and variable bit rate includes mainly：
1, the CBR programs produced and/or VBR programs are issued to service provider guard station by service provider's central content management system
In Content Management System.Service provider's central content management system is located at service provider's content service platform.
2, CBR programs and/or VBR programs are issued to operator content management system by service provider guard station Content Management System
System.Service provider's guard station Content Management System is located at service provider's guard station service supporting platform.
3, CBR programs and/or VBR programs are injected into the content distributing network system of operator by operator content management system
System.
4, while operator content manages system to content distribution network system injection CBR programs and/or VBR programs,
Notice EPG system has CBR programs and/or VBR programs to reach the standard grade.Operator content manages system, content distribution network system and EPG
System is respectively positioned on operator's IPTV service platform, operator's IPTV service platform and operator IPTV support platform communication links
It connects.
5, set-top box accesses EPG system request viewing CBR programs or VBR programs.
6, set-top box accesses AAA system and does certification, authentication to user and CBR programs or VBR programs.
7, set-top box accesses the video flowing that content distribution network system obtains CBR programs or VBR programs.
Since contents production, down sending content, the content presentation etc. of the CBR programs of CBR IPTV systems is the prior art, this
Text repeats no more, and contents production, down sending content, the content presentation etc. mainly for VBR programs is described.
The embodiment of the VBR IPTV systems of compatible existing CBR IPTV systems is described as follows：
One, VBR programs produce
Service provider's central content management system is for producing VBR programs, by high code 50M IBP (Iterative Back
Projection, iterative backprojection) film source by transcoding output solid size rate H.246 encode TS (Transport Stream, transmission
Stream), and it is packaged into the VBR film sources that average bit rate is 2.3M.In conjunction with H.264 highly efficient encryption algorithm characteristic (High
Profile (high-end class), RDO (Rate Distortion Optimization, rate-distortion optimization) and secondary coding) and VBR
Code check controls, and can reach 8~12Mbps code checks using the VBR programs of 2~4Mbps of average bit rate (4~8Mbps of highest code check)
The video quality of CBR programs.VBR programs are produced by the way of cutting top coding, as the term suggests give VBR code checks highest in production
Code check carries out specification definition, such as VBR2.3M, and highest code check is no more than 4M.VBR 2.3M are the program according to PCR
The average bit rate value for the program that (Program Clock Reference, timer reference of programs) mode calculates defines.
| High definition | It is super clear | |
| VBR is set | Average bit rate 2.3Mbps, highest code check are 4Mbps | Average bit rate 4Mbps, highest code check 8Mbps |
| Applicable network | ADSL 4M or more | ADSL 8M or more |
VBR tests effect：Now net CBR programs：SD (CBR_1.3Mbps, CBR_2Mbps), high definition (CBR_8Mbps)；
It is programmed according to VBR parameters：High definition VBR_2Mbps, high definition VBR_6Mbps；
MOS (Mean Opinion Score, average opinion value) test result table one of program one and program two：
One test result table of table
| Type of coding | MOS (program one) | MOS (program two) |
| CBR_1.3Mbps | 3.02 | 3.19 |
| CBR_2Mbps | 3.16 | 3.29 |
| VBR_2Mbps | 3.29 | 3.45 |
| VBR_6Mbps | 3.81 | 3.83 |
| CBR_8Mbps | 3.59 | 3.52 |
The video quality of VBR_2Mbps is better than SD CBR_2Mbps, with CBR_8Mbps very close to.According to VBR_
2.3Mbps defines the video quality that video code rate is nearly identical to CBR_8Mbps code checks.
Note：MOS refers to the eye-observation video quality by observer, subjective 1~5 point of marking is carried out, referring to ITU-T
P.910(04/2008).After defining this criterion production VBR programs, managing system by service provider's central content will be under VBR program
It is dealt into service provider's guard station Content Management System.
Two, VBR programs issue
Service provider central content management system issue VBR programs to service provider's guard station Content Management System be by C2 interfaces
Issue, C2 interfaces definition referring to《China Telecom's IPTV service management platform and operation system interface specification》, former C2 interfaces are only
It supports the CBR code checks for issuing program to define, does not support VBR code checks to define, therefore, in addition to movie (film source) is right in C2 interfaces
BitRateType (code check type) field definition CBR code check enumerated values of elephant, need to also in C2 interfaces piece source object
BitRateType field definition VBR code check enumerated values, see the table below：
The data model definitions for the VBR programs that service provider's central content management system issues：In view of compatible VBR sections
Mesh, then high definition, super clear, 4K etc. use VBR programs.Its program issues data model definitions such as Fig. 3：One program has SD, height
Clearly, multiple program categories such as super clear, 4K classify program according to program category and its corresponding code check：
One or more film sources (movie) are hung under the program categories such as SD program, high-definition program, super clear, 4K respectively.
(1.3M VBR, 2.5M CBR) is hung under SD program；(2.3M VBR, 4MVBR) is hung under high-definition program；
6M VBR are hung under super clear/Dolby Show；25M VBR are hung under 4K programs.Program is the programme content class in C2 interfaces
Object
The programme content specification of a model of IPTV system：
The correspondence of several film sources of the program under is established by mapping (Mapping) object in C2 interfaces.
After service provider's guard station Content Management System receives VBR programs, operator can carry out VBR programs to be packaged wholesale price again
It is issued in operator content management system by C2 interfaces.On the one hand operator content management system arrives VBR program storages
In content distribution network system.On the other hand notice EPG system updates VBR programme informations.
Three, VBR programme contents distributing network system broadcasts stream and set-top box is supported
Content distribution network system spits stream for CBR program stream according to constant code rate, if but being pressed for VBR program stream
It is infeasible to spit stream according to constant code rate, will produce broadcasting interim card.It is sent out according to the original code check of program by specification streaming media service
Packet transmits, reinforcing content distribution network system Streaming Media VBR functions, compatible CBR programs and VBR programs, in former IPTV system
Content distribution network system only supports CBR to spit stream, and it is substantially invariable to spit flow velocity rate.It now needs that VBR is supported to spit stream, so content point
Hair network system, which is given out a contract for a project, (it is constant that stream is spat if being CBR programs if what is sent out, if VBR programs according to the original code check transmission of program
It spits that stream is variable, because CBR is constant code rate, VBR is variable bit rate, is propped up so can be met spitting stream by the original code check of program
It holds CBR to spit stream and VBR is supported to spit stream).
It is the effect that three kinds of content distribution network systems spit stream scheme below：
1, the VBR programs stored on media server；Media server calculates film source average bit rate, comes according to CBR modes
Give out a contract for a project；When frame code check happens suddenly, since media server is given out a contract for a project according to average bit rate, packet sending speed is excessively slow, and set-top box is caused to obtain
It takes less than complete frame decoding, leads to interim card.
2, the VBR programs stored on media server；Media server is given out a contract for a project according to original code check；Access net can intercept
Burst part leads to packet loss.
3, specification restriction is carried out to the highest code check of VBR programs in advance, media server is given out a contract for a project according to original code check, network
Ensure that burst transfer can smooth playing without upgrading by set-top box.
Be below according to different dimensions content distribution network system spit stream, set-top box play test result (from high to low according to
Secondary experience declines)：
| Serial number | Film source dimension | CDN terminal dimensions | Bandwidth dimension | Conclusion |
| 1 | Highest 4M | GOP code checks | 4M | It is smooth |
| 2 | Highest 4M | Fixed 3M | 4M | Occasionally there is interim card |
| 3 | Highest 4M | Fixed 3M | 3M | Occasionally there is interim card |
| 4 | Highest 4M | Fixed 2.8M | 3M | Interim card is few |
| 5 | Unlimited code check | Cbr (constant bit rate) | 4M | There is interim card |
| 6 | Highest 4M | Fixed 2.5M | 3M | Interim card is apparent |
All test card pause points are directed to user's extreme operating conditions, i.e., positioning playing is just in film source high position code check point
Caused by interim card, these interim cards are all caused by set-top box content underload, from user using being analyzed on probability, to the shadow of user
Sound can be ignored substantially.In terms of above-mentioned test result, method 1 has best result of broadcast.GOP (Group of Pictures,
Picture group).
Content distribution network system streaming media service is given out a contract for a project transmission according to the original code check of program, if program is CBR codings,
What is sent is constant code rate code stream, if program is VBR codings, what is sent is variable bit rate code stream.
Four, VBR programs are presented
The EPG system of existing IPTV programs is presented to be presented according to SD program, high-definition program classification, each programme details page
Face is only there are one entrance is played, and user is in interview show details page based on the section purpose mark and by calling in operator
The EPG system interface that content management system provides obtains SD, the broadcast address of high definition CBR programs.
The present invention increases the program presentation mode after VBR programs：It is presented using unified high definition EPG modes, is specifically being saved
A virtual programs have each entrance of multiple broadcasting entrances (SD, high definition, super clear, 4K) to correspond to program letter in mesh details page
Breath.Virtual programs (virtual program) information of user in interview show details page based on the program is by operator
Content Management System provides the associated program of the virtual programs (SD program, high-definition program, super clear program, 4K programs) information and connects
Mouth gets associated programme information and corresponding broadcast address.Virtual programs and other several program (high-definition program, super clear sections
Mesh, 4K programs etc.) incidence relation established by Rmediacode (piece source code) field under program (program) object, the void
Quasi- program can be SD program and can also be high-definition program.
Program object table Rmediacode field definitions in C2 interfaces：
| Rmediacode | Pn | Association coding | String(O) | 128 | For being associated with different business domain object |
Programming association relationship description：
| Type | Program Code (program coding) | RmediaCode (piece source code) |
| SD program | x | x |
| High-definition program | yy | x |
| Super clear program | zzz | x |
| 4K programs | nnnn | x |
There is the value of unique code for any source program, the RmediaCode values that program coding produces all programs are all
This value.It is the value of corresponding code that the Rmediacode of SD program, which can be used,.
Fig. 4 is can to pass through such as Fig. 1 the present invention is based on the compatibility constant code rate of IPTV and the method flow diagram of variable bit rate
Or the system 100 of compatibility constant code rate and variable bit rate based on IPTV shown in Fig. 2 is realized, including step has：
The CBR programs produced and/or VBR programs are issued to by step S401, service provider's central content management system 10
Service provider's guard station Content Management System 20.
CBR programs and/or VBR programs are issued in operator by step S402, service provider's guard station Content Management System 20
Content management system 30.
CBR programs and/or VBR programs are injected into content distributing network by step S403, operator content management system 30
System 40, and EPG system 50 is notified to update programme information.
Step S404, set-top box 60 obtain CBR programs or VBR by EPG system 50 from content distribution network system 40
Program.
Fig. 5 is that the present invention is preferably based on the compatibility constant code rate of IPTV and the method flow diagram of variable bit rate, can be passed through
The system 100 of compatibility constant code rate and variable bit rate based on IPTV is realized as shown in Figure 1 or 2, including step has：
The CBR programs produced and/or VBR programs are issued to by step S501, service provider's central content management system 10
Service provider's guard station Content Management System 20.
Preferably, in the C2 interfaces that service provider's central content manages system 10 in the code check type field of piece source object
Define CBR enumerated values and VBR enumerated values.The CBR programs that service provider's central content management system 10 will be produced by C2 interfaces
And/or VBR programs are issued to service provider's guard station Content Management System 20.The program of service provider's central content management system 10 issues
A program defined in data model includes multiple program categories, hangs the CBR pieces of at least one code check under each program category respectively
Source and/or VBR film sources.Service provider's central content management system 10 establishes program and CBR pieces by the mapping object in C2 interfaces
The correspondence of source and/or VBR film sources.
CBR programs and/or VBR programs are issued in operator by step S502, service provider's guard station Content Management System 20
Content management system 30.
CBR programs and/or VBR programs are injected into content distributing network by step S503, operator content management system 30
System 40.
Step S504, operator content manage system 30 and EPG system 50 are notified to update programme information
Step S505, set-top box 60 access the request of EPG system 50 viewing CBR programs or VBR programs.
Preferably, a virtual programs correspond to the broadcasting entrances of multiple programs in the programme details page of EPG system 50,
The associated information interface of the virtual programs, which is provided, by operator content management system 30 obtains associated programme information and broadcasting ground
Location.Virtual programs are associated with program by the film source code field foundation of program object.
Step S506, set-top box 60 access AAA system to do certification, authentication to user and CBR programs or VBR programs.
Step S507, set-top box 60 access content distribution network system 40 and obtain CBR programs or VBR programs.
Preferably, content distribution network system 40 is given out a contract for a project by the original code check of program transmits CBR programs or VBR programs to machine
Top box 60.
In conclusion the present invention fully considers the business and technical need of common carrier, it is right in existing IPTV system
The contents production of CBR programs and VBR programs, down sending content, CDN spit stream and set-top box broadcast strategy, content present etc. into
Row compatible processing, so as to be taken to be compatible with CBR programs and VBR programs with providing more diversified TV based on existing IPTV system
Business, user can select CBR programs or VBR program viewings, and this on the basis of meeting bandwidth requirement according to actual demand
The existing IPTV system resource that adequately protected is invented, system Construction cost can be greatlyd save.
Certainly, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention, ripe
It knows those skilled in the art and makes various corresponding change and deformations, but these corresponding changes and change in accordance with the present invention
Shape should all belong to the protection domain of appended claims of the invention.
Claims (12)
1. a kind of method of compatibility constant code rate and variable bit rate based on IPTV, which is characterized in that have including step：
The constant code rate program produced and variable bit rate program are issued to service provider and stayed by service provider's central content management system
Ground Content Management System；
The constant code rate program and the variable bit rate program are issued to operation by service provider guard station Content Management System
Quotient's Content Management System；
The constant code rate program and the variable bit rate program are injected into content distribution by the operator content management system
Network system, and electronic program guidance system is notified to update programme information；
Set-top box obtains the constant code rate section by the electronic program guidance system from the content distribution network system
Mesh or the variable bit rate program, the content distribution network system is given out a contract for a project by the original code check of program transmits the constant code rate section
Mesh or the variable bit rate program give the set-top box；
The constant code rate program produced and variable bit rate program are issued to service by service provider's central content management system
The step of quotient guard station Content Management System includes：The piece source object in the C2 interfaces that service provider's central content manages system
Constant code rate enumerated value and variable bit rate enumerated value defined in code check type field, service provider's central content management system are logical
It crosses the C2 interfaces and the constant code rate program produced and the variable bit rate program is issued to the service provider guard station
Content Management System, and service provider guard station Content Management System passes through in the code check type field of described source object
Define the C2 interfaces of the constant code rate enumerated value and the variable bit rate enumerated value by the constant code rate program and
The variable bit rate program is issued to the operator content management system.
2. according to the method described in claim 1, it is characterized in that, the program of service provider's central content management system issues
A program defined in data model includes multiple program categories, hangs the perseverance of at least one code check under each program category respectively
Constant bit rate film source and/or variable bit rate film source.
3. according to the method described in claim 2, it is characterized in that, service provider's central content management system passes through the C2
Mapping object in interface establishes the corresponding pass of the program and the constant code rate film source and/or the variable bit rate film source
System.
4. according to claims 1 to 3 any one of them method, which is characterized in that the set-top box passes through the electronic programming
Guide system obtains the step of constant code rate program or variable bit rate program from the content distribution network system
Including：
The set-top box accesses the electronic program guidance system request and watches the constant code rate program or the variable bit rate
Program；
The set-top box accesses AAA system so that user and the constant code rate program or the variable bit rate program are done and be recognized
Card, authentication；
The set-top box accesses the content distribution network system and obtains the constant code rate program or the variable bit rate program.
5. according to the method described in claim 4, it is characterized in that, in the programme details page of the electronic program guidance system
One virtual programs corresponds to the broadcasting entrance of multiple programs, and virtual programs association is provided by operator content management system
Information interface obtain associated programme information and broadcast address.
6. according to the method described in claim 5, it is characterized in that, the virtual programs pass through program object with the program
Film source code field establishes association.
7. a kind of system of compatibility constant code rate and variable bit rate based on IPTV, which is characterized in that including at least there is service provider
Central content manage system, service provider's guard station Content Management System, operator content management system, content distribution network system,
Electronic program guidance system and set-top box；
Service provider's central content manages system, and constant code rate program and variable bit rate program for will produce are issued to
Service provider guard station Content Management System；
Service provider guard station Content Management System, for the constant code rate program and the variable bit rate program to be issued to
The operator content manages system；
The operator content manages system, described for the constant code rate program and the variable bit rate program to be injected into
Content distribution network system, and notify the electronic program guidance system update programme information；
The set-top box, for obtaining the perseverance from the content distribution network system by the electronic program guidance system
Constant bit rate program or the variable bit rate program, the content distribution network system is given out a contract for a project by the original code check of program transmits the perseverance
Constant bit rate program or the variable bit rate program give the set-top box；
The constant code defined in the code check type field of piece source object in the C2 interfaces that service provider's central content manages system
Rate enumerated value and variable bit rate enumerated value, the institute that service provider's central content management system will be produced by the C2 interfaces
It states constant code rate program and the variable bit rate program is issued to service provider guard station Content Management System, and the service
Quotient guard station Content Management System passes through the constant code rate enumerated value defined in the code check type field in described source object
The constant code rate program and the variable bit rate program are issued to institute with the C2 interfaces of the variable bit rate enumerated value
State operator content management system.
8. system according to claim 7, which is characterized in that the program of service provider's central content management system issues
A program defined in data model includes multiple program categories, hangs the perseverance of at least one code check under each program category respectively
Constant bit rate film source and/or variable bit rate film source.
9. system according to claim 8, which is characterized in that service provider's central content management system passes through the C2
Mapping object in interface establishes the corresponding pass of the program and the constant code rate film source and/or the variable bit rate film source
System.
10. according to claim 7~9 any one of them system, which is characterized in that the set-top box accesses the electronic programming
The constant code rate program or the variable bit rate program are watched in guide system request；Then the set-top box accesses AAA system
To do certification, authentication to user and the constant code rate program or the variable bit rate program；The last set-top box accesses
The content distribution network system obtains the constant code rate program or the variable bit rate program.
11. system according to claim 10, which is characterized in that the programme details page of the electronic program guidance system
In a virtual programs correspond to the broadcasting entrances of multiple programs, providing the virtual programs by operator content management system closes
The information interface of connection obtains associated programme information and broadcast address.
12. system according to claim 11, which is characterized in that the virtual programs pass through program object with the program
Film source code field establish association.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090120920A (en) * | 2008-05-21 | 2009-11-25 | 브로드밴드미디어주식회사 | Service method for providing related contents information in internet protocol television service and set-top box for materializing the same |
| CN102111643A (en) * | 2009-11-24 | 2011-06-29 | Rgb网络有限公司 | Managed multiplexing of video in an adaptive bit rate environment |
| CN102123303A (en) * | 2011-03-25 | 2011-07-13 | 天脉聚源(北京)传媒科技有限公司 | Audio/video file playing method and system as well as transmission control device |
-
2014
- 2014-09-28 CN CN201410505626.8A patent/CN104219546B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090120920A (en) * | 2008-05-21 | 2009-11-25 | 브로드밴드미디어주식회사 | Service method for providing related contents information in internet protocol television service and set-top box for materializing the same |
| CN102111643A (en) * | 2009-11-24 | 2011-06-29 | Rgb网络有限公司 | Managed multiplexing of video in an adaptive bit rate environment |
| CN102123303A (en) * | 2011-03-25 | 2011-07-13 | 天脉聚源(北京)传媒科技有限公司 | Audio/video file playing method and system as well as transmission control device |
Non-Patent Citations (2)
| Title |
|---|
| IPTV的系统设计和CDN技术研究;李洪坤;《中国优秀硕士学位论文全文数据库信息科技辑，2007年第11期》;20071115;第17-22页第三章第3.1,3.3.1节 * |
| VBR视频在IPTV点播业务中的应用;罗传飞等;《电信科学，2014年第5期》;20140531;第20-26页第1,3节 * |
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