CN101938632A - Basic service system based on interactive service of IP set top box - Google Patents
Basic service system based on interactive service of IP set top box Download PDFInfo
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Abstract
The invention discloses a basic service system based on interactive services of an IP set top box. The system comprises the IP set top box, a background processing server and data bases, wherein the IP set top box is used for receiving a service request and sending the service request to the background processing server; after a scene description file (SDF) sent by the background processing server according to the service request is received, an SDF analyzer analyzes the SDF and displays the analyzed SDF content to a television client; the background processing server is used for receiving the service request sent by the IP set top box and querying relevant service information in a user data base and a service data base through remote method invocation (RMI) according to the service request and sending the service information to the IP set top box through the SDF; and the data bases are used for storing the relevant service content information and providing the content information of queried services for the basic service system. The basic service system can realize various interactive services through digital televisions, and user requirements are better satisfied.
Description
Technical field
The invention belongs to digital home technical field, be specifically related to a kind of infrastructure service system of the interactive service based on the IP set-top box.
Background technology
Along with being the Information Technology Development of core, expedited the emergence of the appearance of technology such as digital home with the digital technology.At present, Digital Television has been applied to film-on-demand widely, instant chat, and E-Government is in the middle of the tele-medicine, Smart Home or the like and the closely bound up service of people's lives.
Digital television techniques and function are maked rapid progress, and digital TV set-top box or the digital television that is embedded with set-top box functionality constantly develop, and hardware supports is more and more, and function provides from strength to strength.And along with the continuous development of Digital Television hardware device and software systems, the application of Digital Television also more and more widely, function also more trends towards satisfying user's various demands.Though present IP set-top box can according to user's request meet consumers' demand interactive, but present Digital Television does not provide a perfect infrastructure service system to the user, make things convenient for the user to enjoy relevant Digital Television value-added service by this system, thereby existing digital television system can not well be met user needs, reduce user's Experience Degree.
Summary of the invention
The object of the present invention is to provide a kind of infrastructure service system of the interactive service based on the IP set-top box, be intended to satisfy digital cable customers by enjoy relevant Digital Television value-added service by this system.
In order to realize foregoing invention, the embodiment of the invention provides a kind of infrastructure service system of the interactive service based on the IP set-top box, and described system comprises:
The IP set-top box is used to receive service request, and described service request will be sent to the background process server; After receiving the scene description document SDF of background process server according to described service request transmission, SDF_PLAYER resolves described SDF by the SDF resolver, and the SDF content after will resolving is shown to the TV user end;
The background process server, be used to receive the service request that the IP set-top box sends, and pass through RMI RMI according to described service request and in customer data base and Service Database, inquire about related service information, described business information is sent to the IP set-top box by SDF;
Database is used to store the related service content information, and the content information of inquiry service is provided for the infrastructure service system.
Described database comprises customer data base and Service Database, wherein customer data base is used to respond the query requests that user's background service system sends, and the query requests after will resolving returns to user's background service system, and Query Result returned to the IP set-top box in the mode of Web response, Service Database is used to store all kinds of business information.
Described background processing system comprises: user's background service system, chatting service group system;
Described chatting service group system, be used for the encoding and decoding work of audio frequency and video, be directed to the voice and video service, be used to receive the audio, video data that an end IP set-top box sends, and according to Coding Compression Algorithm data are encoded, described coded data is sent to other end IP set-top box by SDF;
User's background service system is used to handle associated user's content information, makes things convenient for back-stage management and provides inquiry service for the user.
User's background service system adopts the J2EE architecture, is made up of network layer assembly and service application layer assembly.Described network layer assembly is Servlet or CGI, is used to receive and resolve the service request that the IP set-top box is sent;
The service application layer assembly is EJB, realizes the Business Processing of service channel.
Described background processing system also comprises:
Voice/video authorization of service/authentication server is used to provide voice/video authorization of service/service for checking credentials, is stored in the customer data base by the essential information and the accounts information of cryptographic algorithm with the user.
Described service request comprises: tele-medicine service, long-distance education service, video/voice-enabled chat service, on-line payment service, video conference service a kind of or their combination.
Described IP set-top box uses http protocol to send service request to the backstage processing server.
Implement the embodiment of the invention, have following beneficial effect:
By implementing the infrastructure service system that the present invention has realized a kind of interactive service based on the IP set-top box, satisfy digital cable customers by enjoy relevant Digital Television value-added service by this system, thereby the user is enjoyed serve more convenient and swift, and widened digital home's scope of business, satisfy the user's request degree, increased user experience.By using the far call technology, realized Distributed Calculation, can utilize the power of Object-oriented Technique fully, and higher fail safe is provided.Utilize the SDF middleware, support Distributed Calculation, provide the application of the transparency of across a network, hardware and OS platform or the interactive function application program of service can work in multi-platform or the OS environment, this system can move in the different operating system of different set-top box the inside easily.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the system architecture diagram of the infrastructure service system of a kind of interactive service in the embodiment of the invention;
Fig. 2 is the infrastructure service system background processing system Organization Chart of the interactive service in the embodiment of the invention;
Fig. 3 is the infrastructure service system client Organization Chart based on the interactive service under Fig. 2 system architecture.
Embodiment
Describe the embodiment of the invention in detail below in conjunction with accompanying drawing.
Fig. 1 shows the system architecture diagram of the infrastructure service system of the interactive service in the embodiment of the invention.
This infrastructure service system comprises: Digital Television 101, Digital Television 108, Digital Television 105 etc., Digital Television in this system is linked in the infrastructure service system by the IP set-top box and goes, IP set-top box 102 as shown in FIG., IP set-top box 104, IP set-top box 107 etc., this system also is provided with background process server 103 and database 106 etc., concrete: the IP set-top box is (as IP set-top box 102 among the figure, IP set-top box 104, IP set-top box 107 or the like), be used to receive the service request of user, and this service request is sent to background process server 103 based on the input of T9 input method; After receiving the scene description document (SDF) of background process server 103, this SDF is resolved, and be shown to digital cable customers end (as digital TV 101, Digital Television 108, Digital Television 105 or the like) according to the service request transmission; Concrete, this IP set-top box is by the SDF file in SDF resolver (SDF_PLAYER) resolution system;
Concrete, Fig. 2 shows in the embodiment of the invention background processing system Organization Chart based on the infrastructure service system of the interactive service of IP set-top box, and this system comprises:
The background processing system of the infrastructure service system of the interactive service here is made up of service background management system 201 and customer data base 203, Service Database 204, user's background service system 202, chatting service group system 205, voice/video authorization of service/authentication server 206.
The IP set-top box presents television image, thereby the client end interface of import of services is provided for the user of digital home by resolving the SDF file of corresponding channel on Digital Television.The middleware that the IP set-top box is used is SDF_PLAYER, is used to resolve the SDF language, and this IP set-top box provides the T9 Chinese character coding input method to receive the dependent instruction that the user sends.SDF (Scene Description File) claims scene description document again, is descriptive language in the middle of a kind of operating process, and the element type that it is supported has picture, video, literal, input frame etc.The IP set-top box that with SDF_PLAYER is middleware just can present the television channel picture by resolving the SDF file on Digital Television.TV user is used the T9 Chinese character coding input method by the digital keys on the remote controller, input frame input data on television image, set-top box sends service request to user's background service system after clicking " determining " button, the IP set-top box here uses http protocol to send service request to user's background service system, and this service request can be a kind of of tele-medicine, long-distance education, video/voice-enabled chat, on-line payment or their combination.
The request that described user's background service system 202 receives and response IP set-top box sends, and call corresponding channel service module and handle.Described user's background service system 202 adopts the J2EE architecture, comprise Web layer assembly and service application layer assembly, the Web layer assembly is Servlet, be used to receive and resolve the Web request that the IP set-top box sends, call corresponding channel service module and handle, and the result of business module is returned to the IP set-top box with the Web response mode; The service application layer assembly is EJB.Wherein each EJB assembly is handled the business of corresponding channel, by the querying method Query of described customer data base 203 of Java distributed computing technology RMI far call and Service Database 204, transmits parameter information to querying server in the far call process.
Described database comprises customer data base 203 and Service Database 204.Customer data base is used to respond the query requests that user's background service system sends, and the query requests after will resolving returns to user's background service system, and Query Result is returned to the IP set-top box in the mode of Web response.Service Database is used for of short duration or all kinds of business information of longer-term storage, satisfies user's demand, improves Experience Degree.Server provides the service of far call method Query to background service system by unlatching RMI module.
Described voice/video authorization of service/authentication server 206 provides voice/video authorization of service/service for checking credentials, is stored in the customer data base by the essential information and the accounts information of cryptographic algorithm with the user, guarantees user's safety.It is the bottom technology that P2P penetrates service function, can freely switch in different systems.Described data forwarding service utilizes the high handling property of server end to carry out high efficiency coding for data, improves transfer rate, strengthens user experience.
In the present invention, background service system carries out the elasticity configuration according to operation needs and customer volume, supports ten thousand~millions concurrent user, carries out gradual dilatation according to user's increment and operation strategy in the actual deployment.Background service system integral body is deployed as cluster, possesses Single Point of Faliure and isolates and fault-tolerant ability, for system stable operation provides technical guarantee.
Data base management system in the database is here used MySQL, and its feature is that volume is little, speed is fast, the total cost of ownership is low, and open source code; Use C and c++ to write, and test, guarantee the portability of source code with multiple compiler; Support the operating system above most of set-top box; For multiple programming language provides API; Support multithreading, make full use of cpu resource; The SQL query method of optimizing effectively raises inquiry velocity; Can either be in the client-server network environment as an independent application program, also can be embedded into as a storehouse in other the software provides the multilingual support; Provide TCP/IP, ODBC to be connected approach with several data storehouses such as JDBC; Can handle large database.
Accordingly, based on the system architecture diagram among Fig. 2, Fig. 3 shows the infrastructure service system client Organization Chart of the interactive service under this system architecture.Comprise the steps:
301, application program, set-top box are written into the also SDF file info.sdf of resolution digital television channel, and Digital Television presents the client end interface of the infrastructure service system of interactive service.
302, client kernel module is comprising initialization client modules, anti-initialization client modules, land module.During application program launching, set-top box is the initialization client modules at first, and invoke user is landed module then, when the user will withdraw from, calls anti-initialization module safety and withdraws from.
303, voice/video module, this module is most important in the infrastructure service system client of whole interactive service, this module requires hardware to have voice/video collection/broadcast driving, when set-top box starts application program, this module initialization hardware, open audio/video devices, employing rate/frame per second/video resolution is set.When closing application program, call the stopAudio/stopVideo class and come closing device.
304, libavdev storehouse, this storehouse has comprised application call interface initialization client modules Init, anti-initialization client modules unInit, the user logins logIn, withdraw from the logOut of AVTalk system, add contact person addFriend, request voice/video chat avRequest, stop voice/video chat avStop, refusal voice/video chat avRefuse.
Also comprise client event interface onAVTalkEvent module, openAudio module, openVideo module, stopAudio module, stopVideo module etc.
In sum:
The infrastructure service system of a kind of interactive service based on the IP set-top box by implementing that the present invention realized digital home, the user of digital home can realize that all kinds of interactive services such as long-distance education, tele-medicine, telecommunication, video conference, on-line payment, film share or the like by Digital Television, thereby provide users with the convenient service efficiently, and widened digital home's scope of business, satisfy the user's request degree, increased user experience.By using the RMI technology, realized Distributed Calculation, can utilize the power of Object-oriented Technique fully, and higher fail safe is provided.Utilize the SDF middleware, support Distributed Calculation, provide the application of the transparency of across a network, hardware and OS platform or the interactive function application program of service can work in multi-platform or the OS environment, this infrastructure service system can move in the different operating system of different set-top box the inside easily.
Above disclosed is a kind of preferred embodiment of the present invention only, can not limit the present invention's interest field certainly with this, and therefore the equivalent variations of doing according to claim of the present invention still belongs to the scope that the present invention is contained.
Claims (8)
1. infrastructure service system based on the interactive service of IP set-top box is characterized in that described system comprises:
The IP set-top box is used to receive service request, and described service request will be sent to the background process server; After receiving the scene description document SDF of background process server according to described service request transmission, SDF_PLAYER resolves described SDF by the SDF resolver, and the SDF content after will resolving is shown to the TV user end;
The background process server, be used to receive the service request that the IP set-top box sends, and pass through RMI RMI according to described service request and in customer data base and Service Database, inquire about related service information, described business information is sent to the IP set-top box by SDF;
Database is used to store the related service content information, and the content information of inquiry service is provided for the infrastructure service system.
2. the system as claimed in claim 1 is characterized in that:
Described database comprises customer data base and Service Database, wherein customer data base is used to respond the query requests that user's background service system sends, and the query requests after will resolving returns to user's background service system, and Query Result returned to the IP set-top box in the mode of Web response, Service Database is used to store all kinds of business information.
3. system as claimed in claim 1 or 2 is characterized in that:
Described background processing system comprises: user's background service system, chatting service group system;
Described chatting service group system, be used for the encoding and decoding work of audio frequency and video, be directed to the voice and video service, be used to receive the audio, video data that an end IP set-top box sends, and according to Coding Compression Algorithm data are encoded, described coded data is sent to other end IP set-top box by SDF;
User's background service system is used to handle associated user's content information, makes things convenient for back-stage management and provides inquiry service for the user.
4. system as claimed in claim 3 is characterized in that, user's background service system adopts the J2EE architecture, is made up of network layer assembly and service application layer assembly.
5. system as claimed in claim 4 is characterized in that:
Described network layer assembly is Servlet or CGI, is used to receive and resolve the service request that the IP set-top box is sent;
The service application layer assembly is EJB, realizes the Business Processing of service channel.
6. system as claimed in claim 3 is characterized in that, described background processing system also comprises:
Voice/video authorization of service/authentication server is used to provide voice/video authorization of service/service for checking credentials, is stored in the customer data base by the essential information and the accounts information of cryptographic algorithm with the user.
7. system as claimed in claim 1 or 2 is characterized in that, described service request comprises: tele-medicine service, long-distance education service, video/voice-enabled chat service, on-line payment service, video conference service a kind of or their combination.
8. system as claimed in claim 7 is characterized in that, described IP set-top box uses http protocol to send service request to the backstage processing server.
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CN102592211A (en) * | 2011-12-22 | 2012-07-18 | 广州中大电讯科技有限公司 | Government system based on interactive television |
CN103167327A (en) * | 2011-12-08 | 2013-06-19 | 中兴通讯股份有限公司 | Method, device and system of information interaction |
CN108564835A (en) * | 2018-05-03 | 2018-09-21 | 邓卫国 | A kind of digital home education system |
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