CN104869437A - Digital television conditional access-based bidirectional terminal barrage realizing method - Google Patents
Digital television conditional access-based bidirectional terminal barrage realizing method Download PDFInfo
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- CN104869437A CN104869437A CN201510125970.9A CN201510125970A CN104869437A CN 104869437 A CN104869437 A CN 104869437A CN 201510125970 A CN201510125970 A CN 201510125970A CN 104869437 A CN104869437 A CN 104869437A
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000002457 bidirectional effect Effects 0.000 title abstract description 7
- 238000007726 management method Methods 0.000 claims abstract description 16
- 238000012545 processing Methods 0.000 claims description 8
- 238000012550 audit Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000004458 analytical method Methods 0.000 abstract description 2
- 238000013475 authorization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
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Abstract
The invention relates to a realizing technology of terminal equipment barrage, in particular, a digital television conditional access-based bidirectional terminal barrage realizing method. The objective of the invention is to improve the entertainment of a digital television live program and the participation sense of a user. The method of the invention includes the following steps that: after the user inputs barrage content, a digital television terminal transmits the barrage content, user identity authentication information and program information to an entitlement management message generator (EMMG) which can be a front-end authorized management information server in a packeting manner; the EMMG authenticates the legitimacy of the barrage content and user identity, and packets barrage content which is verified as legitimate and the program information into an EMM data packet and transmits the EMM data packet to the digital television terminal; and the digital terminal performs comparison after analysis, and if a program where barrage occurs is the same as the a currently-received program, the digital terminal displays the barrage. The method of the invention is applicable to digital television terminals.
Description
Technical field
The present invention relates to the actualizing technology of terminal equipment barrage, be specifically related to a kind of bidirectional terminal barrage implementation method based on Conditional Access of Digital Television.
Background technology
Along with the universal of Digital Television and the increase of digital cable customers group, the demand of people to the recreational of program and sense of participation highlights day by day.When the barrage on the Internet comes into vogue, people also strengthen internet program attention rate.
Digital television system does not in the past have the comment function that user can participate in real time programme, and the broadcasted content Dou Shi operator that user can see specifies, and the participation of user to real time programme is lower.
Summary of the invention
Technical problem to be solved by this invention is: propose a kind of bidirectional terminal barrage implementation method based on Conditional Access of Digital Television, improves 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: based on the two-way barrage implementation method of Conditional Access of Digital Television, comprise the following steps:
A. user's barrage content that will send digital TV terminal input, the programme information that barrage content and subscriber authentication information and user input barrage content place is packaged into IP packet by terminal;
B. the IP packet encapsulated is sent to front end Entitlement Management Message server by the IP network of digital TV terminal, the packet received by front end Entitlement Management Message server parses, and checks the legitimacy of user identity and barrage content;
C. the legal barrage content of validated user and programme information are packaged into EMM packet by front end Entitlement Management Message server, are sent to digital TV terminal by EMM user's broadcast address of DVB cable network;
D. digital TV terminal receives corresponding EMM packet, separates out barrage content and programme information, and judges that whether the current program watched of user is identical with barrage program, if identical, then show barrage content by CA For Solutions of Systems; Otherwise, then barrage data are not processed.
Further, in step a, any one or combining form in the following information of described subscriber authentication information: smart card numbers, terminal chip number, product machine serial number.
Further, in step a, described programme information comprises current ServiceID, primitive network ID.
Further, in step b, described front end Entitlement Management Message server checks the legitimacy of user identity and barrage content, specifically comprises:
According to subscriber authentication information, front end Entitlement Management Message server judges whether user has the right to launch barrage; And to user input barrage content audit, according to the illegal key data library searching be preset in content legality checking module, judge that whether barrage content legal, if user identity or barrage content illegal, then disregard.
Further, in steps d, digital TV terminal is received EMM data and is resolved by CA, if there are barrage data, then give the barrage processing module of terminal, if barrage processing module judges that active user place program is not identical with the program obtaining barrage, then barrage data are disregarded; If identical, then by receive all barrage contents meeting this programme information one by one roll display in the OSD the superiors.
The invention has the beneficial effects as follows: can support that authorized user participates in comment to programme televised live, and by the broadcast capability of CA system, allow all authorized users all can see the content of comment, to improve the sense of participation of the recreational of programme televised live and user, thus improve the audience ratings of program, for Digital Television opens up a new thinking.
Accompanying drawing explanation
Fig. 1 is the two-way barrage implementation method flow chart that the present invention is based on Conditional Access of Digital Television.
Embodiment
The present invention is intended to propose a kind of bidirectional terminal barrage implementation method based on Conditional Access of Digital Television, improves the sense of participation of the recreational and user of digital TV direct program.In the present invention, after user inputs barrage content, barrage content and subscriber authentication information and programme information packing are sent to EMMG (front end Entitlement Management Message server) by digital TV terminal, by EMMG, the legitimacy of barrage content and user identity is verified, and the legal barrage content of checking and programme information are packaged into EMM Packet Generation to digital TV terminal, digital terminal is compared after resolving, if program residing for barrage is identical with user current institute viewed programs, carries out barrage display.
Do further to describe to the solution of the present invention below in conjunction with drawings and Examples:
As shown in Figure 1, the bidirectional terminal barrage implementation method based on Conditional Access of Digital Television in the present invention, comprises following performing step:
A. user's barrage content that will send digital TV terminal input, the programme information (as current ServiceID, primitive network ID etc.) that barrage content and subscriber authentication information (as smart card numbers, terminal chip number, product machine serial number etc.) and user input barrage content place is packaged into IP packet by terminal;
B. the IP packet encapsulated is sent to front end Entitlement Management Message server by the IP network of digital TV terminal, the packet received by front end Entitlement Management Message server parses, and checks the legitimacy of user identity and barrage content;
C. the legal barrage content of validated user and programme information are packaged into EMM packet by front end Entitlement Management Message server, are sent to digital TV terminal by EMM user's broadcast address of DVB cable network;
D. digital TV terminal receives corresponding EMM packet, separates out barrage content and programme information, and judges that whether the current program watched of user is identical with barrage program, if identical, then show barrage content by CA For Solutions of Systems; Otherwise, then barrage data are not processed.
Embodiment:
A. user X is in the barrage content of terminal input program review, arranges the comment barrage content " program is seen very well " as " making progress every day " program of HNTV.Inquired about by the barrage sending module of terminal and obtain the subscriber identity information such as the program-related information such as HNTV primitive network ID, ServiceID in wired broadcasting network and user smart card number, terminal equipment number, PI (2 bytes) is indicated by data head, data length PL (2 bytes) and the form of data content PV are organized, by the udp protocol of Socket by barrage Packet Generation to front end EMMG.
B. front end EMMG receives UDP message and gives data resolution module and carry out Data Analysis, reduction barrage content, program-related information and subscriber identity information; User validation checking module carries out validity checking to submitting the user identity of barrage to, judges whether this user is custom made with the mandate of launching barrage, and namely whether this user has customized the authorization packets of barrage according to subscriber identity informations such as smart card numbers; Content legality checking module is audited the barrage content that user inputs, and the illegal keyword database according to being preset in content legality checking module carries out illegal key search, judges that whether content is legal.
C. user X has customized the authorization packets of barrage, and the barrage content " program is seen very well " that user X sends does not comprise illegal keyword.The programme information of the character string of " program is seen very well " and HNTV can be packaged into EMM packet by EMMG, by EMM user's broadcast address of front end CA system, is sent to all user terminals in net by DVB cable network, comprises user X itself.
D. user terminal receives EMM data by terminal CA system analysis, barrage data is given the barrage processing module of terminal.Whether what terminal barrage processing module judged that active user watches according to program-related information such as primitive network ID, the ServiceID of the HNTV in barrage data is HNTV.That user A watches is CCTV, and terminal barrage processing module will not show barrage content; What user B watched is HNTV, and terminal barrage processing module can by character string " program is seen very well " roll display to program video upper strata.
Claims (5)
1., based on the two-way barrage implementation method of Conditional Access of Digital Television, it is characterized in that, comprise the following steps:
A. user's barrage content that will send digital TV terminal input, the programme information that barrage content and subscriber authentication information and user input barrage content place is packaged into IP packet by terminal;
B. the IP packet encapsulated is sent to front end Entitlement Management Message server by the IP network of digital TV terminal, the packet received by front end Entitlement Management Message server parses, and checks the legitimacy of user identity and barrage content;
C. the legal barrage content of validated user and programme information are packaged into EMM packet by front end Entitlement Management Message server, are sent to digital TV terminal by EMM user's broadcast address of DVB cable network;
D. digital TV terminal receives corresponding EMM packet, separates out barrage content and programme information, and judges that whether the current program watched of user is identical with barrage program, if identical, then show barrage content by CA For Solutions of Systems; Otherwise, then barrage data are not processed.
2. as claimed in claim 1 based on the two-way barrage implementation method of Conditional Access of Digital Television, it is characterized in that, in step a, any one or combining form in the following information of described subscriber authentication information: smart card numbers, terminal chip number, product machine serial number.
3., as claimed in claim 1 based on the two-way barrage implementation method of Conditional Access of Digital Television, it is characterized in that, in step a, described programme information comprises current ServiceID, primitive network ID.
4. as claimed in claim 1 based on the two-way barrage implementation method of Conditional Access of Digital Television, it is characterized in that, in step b, described front end Entitlement Management Message server checks the legitimacy of user identity and barrage content, specifically comprises:
According to subscriber authentication information, front end Entitlement Management Message server judges whether user has the right to launch barrage; And to user input barrage content audit, according to the illegal key data library searching be preset in content legality checking module, judge that whether barrage content legal, if user identity or barrage content illegal, then disregard.
5. as claimed in claim 1 based on the two-way barrage implementation method of Conditional Access of Digital Television, it is characterized in that, in steps d, digital TV terminal is received EMM data and is resolved by CA, if there are barrage data, then give the barrage processing module of terminal, if barrage processing module judges that active user place program is not identical with the program obtaining barrage, then barrage data are disregarded; If identical, then by receive all barrage contents meeting this programme information one by one roll display in the OSD the superiors.
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| CN106131702A (en) * | 2016-07-29 | 2016-11-16 | 上海幻电信息科技有限公司 | Barrage supplying system and method |
| 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 |
| WO2017097149A1 (en) * | 2015-12-10 | 2017-06-15 | 中兴通讯股份有限公司 | Live comment implementation method for broadcast television terminal and broadcast television system server |
| CN107231580A (en) * | 2016-08-31 | 2017-10-03 | 张超超 | Barrage display control unit and method |
| 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 |
| 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 |
| CN109600634A (en) * | 2018-12-21 | 2019-04-09 | 东莞市纽格力信息技术有限公司 | Digital television bullet screen output system, method and remote controller |
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| CN104869437B (en) | 2018-01-12 |
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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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