CN104869437B - Bidirectional terminal barrage implementation method based on Conditional Access of Digital Television - Google Patents
Bidirectional terminal barrage implementation method based on Conditional Access of Digital Television Download PDFInfo
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- CN104869437B CN104869437B CN201510125970.9A CN201510125970A CN104869437B CN 104869437 B CN104869437 B CN 104869437B CN 201510125970 A CN201510125970 A CN 201510125970A CN 104869437 B CN104869437 B CN 104869437B
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000002457 bidirectional effect Effects 0.000 title abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000013475 authorization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
Abstract
Technology is realized the present invention relates to terminal device barrage, the invention discloses a kind of bidirectional terminal barrage implementation method based on Conditional Access of Digital Television, the sense of participation of the recreational and user of raising digital TV direct program.In the present invention, after user inputs barrage content, barrage content and subscriber authentication information and programme information are transmitted and give EMMG (front end Entitlement Management Message server) by digital TV terminal, the legitimacy of barrage content and user identity is verified by EMMG, and it will verify that legal barrage content and programme information are packaged into EMM packets and are sent to digital TV terminal, digital terminal is compared after being parsed, and barrage is carried out if program residing for barrage is identical with the current institute's viewed programs of user and is shown.The present invention is applied to digital TV terminal.
Description
Technical field
Technology is realized the present invention relates to terminal device barrage, and in particular to a kind of double based on Conditional Access of Digital Television
To terminal barrage implementation method.
Background technology
With the popularization of DTV and the increase of digital cable customers group, people are to the recreational and sense of participation of program
Demand increasingly highlights.When the barrage on internet comes into vogue, people also strengthen internet program attention rate.
Conventional digital television system, which does not have user, can participate in comment function to real time programme, and user can see
To broadcasted content be all that operator specifies, user is relatively low to the participation of real time programme.
The content of the invention
The technical problems to be solved by the invention are：It is proposed a kind of bidirectional terminal barrage based on Conditional Access of Digital Television
Implementation method, improve the sense of participation of the recreational and user of digital TV direct program.
The technical solution adopted for the present invention to solve the technical problems is：Two-way barrage based on Conditional Access of Digital Television
Implementation method, comprise the following steps：
A. user inputs the barrage content to be sent in digital TV terminal, and terminal is by barrage content and subscriber authentication
Programme information where information and user input barrage content is packaged into IP packets；
B. the IP packets for encapsulating completion are sent to front end Entitlement Management Message by the IP network of digital TV terminal
Server, by the packet that receives of front end Entitlement Management Message server parsing, and check user identity and barrage content
Legitimacy；
C. the legal barrage content and programme information of validated user are packaged into EMM numbers by front end Entitlement Management Message server
According to bag, digital TV terminal is sent to by EMM user's broadcast address of DVB cable networks；
D. digital TV terminal receives corresponding EMM packets, separates out barrage content by CA Solutions of Systems and program is believed
Breath, and judge whether program that user currently watches and barrage program are identical, if identical, barrage content is shown；It is no
Then, then barrage data are not handled.
Further, in step a, any one in the following information of subscriber authentication information or combining form：Intelligence
Can card card number, terminal chip number, product machine serial number.
Further, in step a, the programme information includes current ServiceID, primitive network ID.
Further, in step b, the front end Entitlement Management Message server checks the legal of user identity and barrage content
Property, specifically include：
Front end Entitlement Management Message server judges whether user has the right to launch barrage according to subscriber authentication information；And
The barrage content of user's input is audited, according to the illegal keyword database being preset in content legality inspection module
Retrieval, judges whether barrage content is legal, if user identity or barrage content are illegal, disregards.
Further, in step d, digital TV terminal receives EMM data and parsed by CA, if barrage data, then
The barrage processing module of terminal is given, if barrage processing module judges active user's place program and obtains the program of barrage not
Identical, then barrage data are disregarded；If identical, all barrage contents for meeting the programme information will be received and rolled one by one
It is dynamic to be shown in the OSD the superiors.
The beneficial effects of the invention are as follows：Authorized user can be supported to participate in commenting on to programme televised live, and by CA systems
Broadcast capability, allow all authorized users that the content of comment all can be seen, to improve the participation of the recreational and user of programme televised live
Sense, so as to improve the audience ratings of program, a new thinking is opened up for DTV.
Brief description of the drawings
Fig. 1 is the two-way barrage implementation method flow chart of the invention based on Conditional Access of Digital Television.
Embodiment
The present invention is directed to propose a kind of bidirectional terminal barrage implementation method based on Conditional Access of Digital Television, improves numeral
The sense of participation of the recreational and user of live television programs.In the present invention, after user inputs barrage content, DTV is whole
End, which transmits barrage content and subscriber authentication information and programme information, gives EMMG (front end Entitlement Management Message services
Device), the legitimacy of barrage content and user identity is verified by EMMG, and legal barrage content and program letter will be verified
Breath is packaged into EMM packets and is sent to digital TV terminal, and digital terminal is compared after being parsed, if program residing for barrage
The barrage that then carries out identical with the current institute's viewed programs of user is shown.
Below in conjunction with the accompanying drawings and the solution of the present invention is described in further detail embodiment：
As shown in figure 1, the bidirectional terminal barrage implementation method based on Conditional Access of Digital Television in the present invention, including with
Under realize step：
A. user inputs the barrage content to be sent in digital TV terminal, and terminal is by barrage content and subscriber authentication
Program where information (such as smart card numbers, terminal chip number, product machine serial number etc.) and user input barrage content is believed
Breath (such as current ServiceID, primitive network ID) is packaged into IP packets；
B. the IP packets for encapsulating completion are sent to front end Entitlement Management Message by the IP network of digital TV terminal
Server, by the packet that receives of front end Entitlement Management Message server parsing, and check user identity and barrage content
Legitimacy；
C. the legal barrage content and programme information of validated user are packaged into EMM numbers by front end Entitlement Management Message server
According to bag, digital TV terminal is sent to by EMM user's broadcast address of DVB cable networks；
D. digital TV terminal receives corresponding EMM packets, separates out barrage content by CA Solutions of Systems and program is believed
Breath, and judge whether program that user currently watches and barrage program are identical, if identical, barrage content is shown；It is no
Then, then barrage data are not handled.
Embodiment：
A. user X inputs the barrage content of program review in terminal, and row such as " making progress every day " program of HNTV is commented
By barrage content " program is seen very well ".Inquire about to obtain HNTV in wired broadcasting network by the barrage sending module of terminal
The subscriber identity information such as program-related information and user smart card number, terminal device number such as primitive network ID, ServiceID,
By data head sign PI (2 bytes), data length PL (2 bytes) and data content PV form carry out tissue, passed through
Barrage packet is sent to front end EMMG by Socket udp protocol.
B. front end EMMG receives UDP message and gives data resolution module progress data parsing, reduction barrage content, program
Relevant information and subscriber identity information；User validation checks that module carries out validity checking to the user identity for submitting barrage,
Judge whether the user is custom made with the mandate of transmitting barrage according to subscriber identity informations such as smart card numbers, i.e., the user is negative
The authorization packets of barrage are made；Content legality checks that module is audited to the barrage content that user inputs, in being preset at
The illegal keyword database held in validity checking module carries out illegal key search, judges whether content is legal.
C. the customized authorization packets of barrage of user X, and the barrage content " program is seen very well " that user X is sent is not wrapped
Containing illegal keyword.The programme information of the character string of " program is seen very well " and HNTV can be packaged into EMM packets by EMMG,
By EMM user's broadcast address of front end CA systems, all user terminals in net are sent to by DVB cable networks, including with
Family X is in itself.
D. user terminal receives EMM data by terminal CA system analysis, and barrage data are given at the barrage of terminal
Manage module.The program phases such as primitive network ID, ServiceID of HNTV of the terminal barrage processing module in barrage data
Whether close that information judges that active user watches is HNTV.That user A is watched is CCTV, and terminal barrage processing module will not
Show barrage content；What user B was watched is HNTV, and terminal barrage processing module can roll character string " program is seen very well "
It is shown to program video upper strata.
Claims (5)
1. the two-way barrage implementation method based on Conditional Access of Digital Television, it is characterised in that comprise the following steps：
A. user inputs the barrage content to be sent in digital TV terminal, and terminal is by barrage content and subscriber authentication information
And the programme information where user's input barrage content is packaged into IP packets；
B. the IP packets for encapsulating completion are sent to front end Entitlement Management Message service by the IP network of digital TV terminal
Device, by the packet that receives of front end Entitlement Management Message server parsing, and check the legal of user identity and barrage content
Property；
C. the legal barrage content and programme information of validated user are packaged into EMM data by front end Entitlement Management Message server
Bag, digital TV terminal is sent to by EMM user's broadcast address of DVB cable networks；
D. digital TV terminal receives corresponding EMM packets, and barrage content and programme information are separated out by CA Solutions of Systems, and
Whether the program and barrage program that judgement user currently watches are identical, if identical, barrage content is shown；Otherwise, then
Barrage data are not handled.
2. the two-way barrage implementation method based on Conditional Access of Digital Television as claimed in claim 1, it is characterised in that step
In a, the subscriber authentication information is any one or combining form in following information：Smart card numbers, terminal chip
Number, product machine serial number.
3. the two-way barrage implementation method based on Conditional Access of Digital Television as claimed in claim 1, it is characterised in that step
In a, the programme information includes current ServiceID and primitive network ID.
4. the two-way barrage implementation method based on Conditional Access of Digital Television as claimed in claim 1, it is characterised in that step
In b, the front end Entitlement Management Message server checks the legitimacy of user identity and barrage content, specifically includes：
Front end Entitlement Management Message server judges whether user has the right to launch barrage according to subscriber authentication information；And to
The barrage content of family input is audited, and checks that the illegal keyword database in module is examined according to content legality is preset at
Rope, judge whether barrage content is legal, if user identity or barrage content are illegal, disregard.
5. the two-way barrage implementation method based on Conditional Access of Digital Television as claimed in claim 1, it is characterised in that step
In d, digital TV terminal receives EMM data and parsed by CA, and if barrage data, then the barrage for giving terminal handles mould
Block, if barrage processing module judges that program where active user differs with obtaining the program of barrage, barrage data are refused
Processing；If identical, all barrage contents for meeting the programme information will be received and scrolled one by one in the OSD the superiors.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510125970.9A CN104869437B (en) | 2015-03-20 | 2015-03-20 | Bidirectional terminal barrage implementation method based on Conditional Access of Digital Television |
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| CN201510125970.9A CN104869437B (en) | 2015-03-20 | 2015-03-20 | Bidirectional terminal barrage implementation method based on Conditional Access of Digital Television |
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| CN104869437A CN104869437A (en) | 2015-08-26 |
| CN104869437B true CN104869437B (en) | 2018-01-12 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106612463A (en) * | 2015-10-27 | 2017-05-03 | 中兴通讯股份有限公司 | Barrage processing methods and system, and terminal |
| CN106878771A (en) * | 2015-12-10 | 2017-06-20 | 中兴通讯股份有限公司 | Broadcast television terminal barrage implementation method and radio data system server |
| CN106131702B (en) * | 2016-07-29 | 2019-04-02 | 上海幻电信息科技有限公司 | Barrage supplying system and method |
| CN107231580A (en) * | 2016-08-31 | 2017-10-03 | 张超超 | Barrage display control unit and method |
| CN109218844A (en) * | 2017-06-30 | 2019-01-15 | 武汉斗鱼网络科技有限公司 | A kind of method, apparatus and computer equipment improving barrage information security |
| CN108200451A (en) * | 2017-12-29 | 2018-06-22 | 广东九联科技股份有限公司 | A kind of set-top box OSD barrages interactive system and method |
| CN109600634A (en) * | 2018-12-21 | 2019-04-09 | 东莞市纽格力信息技术有限公司 | A kind of DTV barrage output system, method and remote controler |
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Application publication date: 20150826 Assignee: Sichuan Changhong Xinwang Technology Co.,Ltd. Assignor: SICHUAN CHANGHONG ELECTRIC Co.,Ltd. Contract record no.: X2023980043949 Denomination of invention: Implementation method of bidirectional terminal barrage based on conditional reception of digital television Granted publication date: 20180112 License type: Common License Record date: 20231030 |
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