CN104410917A - Realization method for cable interactive television cross-domain video service connection system - Google Patents
Realization method for cable interactive television cross-domain video service connection system Download PDFInfo
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- CN104410917A CN104410917A CN201410735877.5A CN201410735877A CN104410917A CN 104410917 A CN104410917 A CN 104410917A CN 201410735877 A CN201410735877 A CN 201410735877A CN 104410917 A CN104410917 A CN 104410917A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/65—Transmission of management data between client and server
- H04N21/658—Transmission by the client directed to the server
- H04N21/6587—Control parameters, e.g. trick play commands, viewpoint selection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/254—Management at additional data server, e.g. shopping server, rights management server
- H04N21/2541—Rights Management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47202—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/643—Communication protocols
- H04N21/6437—Real-time Transport Protocol [RTP]
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Human Computer Interaction (AREA)
- Computer Security & Cryptography (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention relates to a realization method for a cable interactive television cross-domain video service connection system. The method comprises the following steps: defining video-on-demand request data in an XMPP (Extensible Messaging and Presence Protocol) message format by a digital television set-top box; when an interactive television cross-domain video service is used by a user, bearing a video-on-demand request and a supportable media format through an XMPP message, sending out a service connection request, automatically forming a friend relationship in an XMPP message channel together with a video service system connected with an operator domain, and after the video service system connected with the operator domain receives the XMPP message of the user video-on-demand request, analyzing and processing the XMPP message, distributing video service resources for the digital television set-top box and pushing video programs to the digital television set-top box initiating the request in a media format compatible in the request. Therefore, the problem of video-on-demand protocol compatibility between different digital television set-top boxes and different video service systems connected with operator domains is solved, and the trouble that the set-top box needs to be updated once when being connected with a new operator domain is avoided.
Description
Technical field
The present invention relates to a kind of wired interactive TV docking technique, particularly the implementation method of the cross-domain video traffic docking system of a kind of wired interactive TV based on XMPP.
Background technology
Generally speaking, the interactive TV that cable network provides employs digital TV set-top box as terminal, internet video and application then use the mobile intelligent terminal such as smart mobile phone, panel computer, share to realize the multi-screen of video traffic between conventional digital TV top box, mobile intelligent terminal, general employing XMPP is as the basic agreement of message communicating, and the business that same operator is developed can realize interconnecting in its net.Such interactive television service and bearer network are called a provider domain by us.
Cable network domestic is at present unit operation by provincial administrative area substantially, and such as Beijing operator only manages the cable network of locality, Beijing, and Shanghai operator only manages the cable network of locality, Shanghai.
User like this when Shanghai thinks the video frequency program that program request Beijing operator manages, or the user in Guangzhou thinks the program made by the operator of program request Shanghai, need the video service system request of user being delivered to another B provider domain from A provider domain, and the video service system of correct video frequency program from B provider domain is sent to the digital TV set-top box terminal of user by the network of A provider domain.Such business procedure is called as the docking of interactive TV cross-domain video traffic, i.e. interactive TV cross-domain video traffic docking schematic diagram as shown in Figure 1.
In the cross-domain video traffic docking operation of interactive TV, the docking of topmost three functions: the docking of the interactive VOD page, the docking of interactive VOD agreement and media formats docking.Wherein to represent ability closely bound up for the HTML of the interactive VOD page and Set Top Box, and therefore the general digital TV set-top box being docking by page developer carries out independent exploitation and adaptation, to reach best business effect.
And for interactive VOD agreement and media formats, because there is different formal definitions in different operators territory, the docking of resource in different operators territory therefore directly cannot be realized, must certain format adaptation be carried out.Conventional adaptation method is included in interactive VOD protocol adaptation server and the media adaptation server of deployment-specific in the provider domain providing docking business, to provide agreement and media format adaptation for the target number TV set-top box of docking.If need the digital TV set-top box agreement used of docking more, this docking mode just needs in the provider domain providing docking business, drop into more interactive VOD protocol adaptation server and media adaptation server.
Another way is the support increased in the target number TV set-top box of docking other provider domains demand protocol used and media formats.The problem of this method is that digital TV set-top box belongs to the terminal equipment of lower cost, its disposal ability and limited storage space, video playback and demand protocol control to combine closely, have no idea to carry out switching at runtime between multiple demand protocol, the demand protocol supported is more, more easily occurs all kinds of fault.And often the provider domain new with once docks, just need the software code of a upgrading Set Top Box, the operation pressure for cable network operator is also very large.
Summary of the invention
The present invention be directed to that the cross-domain video traffic docking mode of existing interactive TV exists problem, propose the implementation method of the cross-domain video traffic docking system of a kind of wired interactive TV, define the XMPP message form of digital TV set-top box request request program and resource, define the XMPP message form of media format adaptation, by XMPP change server, realize and dock the interconnected of video service system in provider domain, reducing technical difficulty when same money digital TV set-top box is docked with multiple provider domain.
Technical scheme of the present invention is: the implementation method of the cross-domain video traffic docking system of a kind of wired interactive TV, based on the information communication mechanism of XMPP, the digital TV set-top box of user side uses XMPP message formal definition order request data, and order request data comprise the digital TV set-top box information of order request, supported media formats, real-time fast forwarding and fast rewinding Play Control order when watching order video program;
When user uses interactive TV to cross over video traffic, the order request that digital TV set-top box sends to the video service system docking provider domain, program request request msg is carried by XMPP message, after the video service system of docking provider domain receives the XMPP message of user side order request, it is resolved and processes, for it distributes Video service resource, and video frequency program is pushed to the digital TV set-top box of the request of initiation with media formats compatible in request.
Described use XMPP message formal definition order request data specifically comprise:
1) demand protocol that the video service system docking provider domain is supported;
2) dock work address and the port of the video service system of provider domain, send request for digital TV set-top box to this address and port;
3) path of user's video frequency program of asking in the video service system of docking provider domain;
4) initiate the information of the digital TV set-top box of order request, comprise the working port of Set Top Box MAC Address, Set Top Box current IP address, Set Top Box reception request program;
5) the Play Control operation that the video service system docking provider domain is supported, comprises the identification code of F.F., rewind, time-out, shut-down operation, the start and end time that appointed program is play;
6) the DRM protective capability that the video service system docking provider domain is supported, comprises and whether uses DRM, support DRM type, DRM link address and port;
7) media content format supported of digital TV set-top box;
8) dock other self-defining datas required by video service system of provider domain, be used for the aid identification of the business of achieving a butt joint.
The implementation method of the cross-domain video traffic docking system of described wired interactive TV, specifically comprises the steps:
A: user, in digital TV set-top box, opens the Video Applications page of docking provider domain, the video service system initiating to add docking provider domain before using video traffic docking is friend relation;
B: the video service system of docking provider domain receives the laggard row relax of plusing good friend request, and both sides form friend relation; When using docking business, the video service system of docking provider domain, by intercepting friend state, realizes both sides' heartbeat and connects the testing mechanism kept;
C: user, by digital TV set-top box, browses the video traffic docking page of docking operator, browses, select the video frequency program needing to watch;
D: the video service system of docking provider domain passes through friend relation, inquire this user profile and the digital TV set-top box information associated, issue the order request parameter that docking business is relevant, this parameter is according to definition format of the present invention, automatically generation is calculated by the Video Applications page connect in the video service system of provider domain, and be encapsulated in the XMPP message data of the present invention's definition, undertaken alternately by XMPP data-message passage.
E: digital TV set-top box is expanded after receiving order request parameter, comprises the information such as start/end time increasing Set Top Box MAC, current IP address, broadcasting, forms complete order request data, and sends to the video service system connecing provider domain;
F: the video service system connecing provider domain carries out resolving and processing after receiving the order request data of docking user, comprises business authentication, programme content format checking, Service Source application;
G: after the video service system of docking provider domain completes order request process, provide transmission of video service to docking user digital TV set-top box used;
H: user receives the video frequency program docking provider domain and transmit by digital TV set-top box, realizes the cross-domain video traffic docking of wired interactive TV.
I: the XMPP message passage docking related in the present invention, uses standard x MPP agreement and treatment mechanism.
Beneficial effect of the present invention is: the implementation method of the cross-domain video traffic docking system of the wired interactive TV of the present invention, make the digital television case of user side, no longer be subject to built-in demand protocol and media formats and support the restriction that kind is few, solve the demand protocol compatibility issue between the digital TV set-top box of separate sources and the video service system of different docking provider domain, avoid and carry out docking with a new operators territory trouble just needing to do once to upgrade to Set Top Box.
Accompanying drawing explanation
Fig. 1 is interactive TV cross-domain video traffic docking schematic diagram;
Fig. 2 is the Organization Chart of the cross-domain video traffic docking system of the wired interactive TV of the present invention.
Embodiment
For improving wired interactive TV function, the present invention uses the information communication mechanism of XMPP, the XMPP message form of definition digital TV set-top box request request program and resource, the XMPP message form of definition media format adaptation, when user uses interactive TV to cross over video traffic, the order request that digital TV set-top box sends to the video service system docking provider domain, directly be not encapsulated as in traditional demand protocol data format, but carry order request and supported media formats by XMPP message, send docking service request, digital TV set-top box is formed in the friend relation in XMPP message passage automatically with the video service system docking provider domain, after the video service system of docking provider domain receives the XMPP message of user's order request, it is resolved and processes, for it distributes Video service resource, and video frequency program is pushed to the digital TV set-top box of the request of initiation with suitable media formats, the real-time fast forwarding and fast rewinding Play Control of digital TV set-top box when watching order video program is also transmitted by XMPP message.
Key of the present invention is to pass through XMPP, make the digital TV set-top box of user side realize standardization with the order request formatted data between the video service system docking provider domain, solve the demand protocol compatibility issue between the digital TV set-top box of separate sources and the video service system of different docking provider domain.
Present invention uses XMPP, it is the abbreviation of Extensible Messaging and Presence Protocol, Chinese is scalable message and presence information agreement, based on extend markup language (Extensible Markup Language, be abbreviated as XML) agreement, can be used for real-time messages communication and information delivery operation of showing up, allow any user on network to send any information to other network users, the network equipment.
XMPP has good autgmentability, it uses XML structural data as general transmission layer, message (representing that certain Internet resources is current available) will be attended and the information content is embedded in XML data, thus make data send the other side to high efficiency.
In XMPP, there is house list (roster) mechanism, this mechanism refers to the set of other users associated by certain user.Register function class, like address list function, according to condition can screen user to send same information.
By instant messaging ability and the flexible expansion ability of XMPP, construct the standardization of digital TV set-top box and the user-association between the video service system docking provider domain and order request data format, make the digital TV set-top box of user side can realize freely being connected to multiple provider domain.Specifically comprise following several aspect:
One, digital TV set-top box and the auto-associating docking provider domain:
In the present invention, a digital TV set-top box can achieve a butt joint with during multiple provider domain, therefore in the present invention, make use of user account and the house list mechanism of XMPP, suggestion incidence relation.
At concrete methods of realizing be:
1, after user testuser has created, in XMPP message channel data storehouse, there is the account of a testuser@mso.domain, wherein mso.domain is the XMPP domain name of operator's definition, for the geographic region belonging to identifying user, business domains;
2, when user prepares to use docking video traffic, the video service system adding this docking provider domain is first needed to be friend relation, to be associated;
3, when user uses the Video service of this docking provider domain by digital TV set-top box, need first to send a traffic grooming request by XMPP message passage, so that it is normal users request that the video service system of this docking provider domain can identify, in addition XMPP message is utilized to keep the long characteristic connected, be connected used as the heartbeat between digital TV set-top box and the video service system of docking provider domain and detect, once find to lose connection, then automatically discharge all kinds of Service Sources provided to this user.
Two, digital TV set-top box and the request format standardization between the video service system docking provider domain:
Innovation of the present invention, is by XMPP, and make the digital TV set-top box of user side realize standardization with the order request formatted data between the video service system docking provider domain, main definitions is as follows:
1, the demand protocol that the video service system docking provider domain is supported, comprises RTSP, HTTP etc.;
2, dock work address and the port of the video service system of provider domain, send request for digital TV set-top box to this address and port;
3, the path of user's video frequency program of asking in the video service system of docking provider domain;
4, initiate the information of the digital TV set-top box of order request, comprise the working port of Set Top Box MAC Address, Set Top Box current IP address, Set Top Box reception request program;
5, the Play Control operation that the video service system docking provider domain is supported, comprises the identification code of F.F., rewind, time-out, shut-down operation, the start and end time that appointed program is play;
6, the DRM protective capability that the video service system docking provider domain is supported, comprises and whether uses DRM, support DRM type, DRM link address and port etc.;
7, the media content format supported of digital TV set-top box, comprise MPEG-2, H.264, AVS etc.;
8, other self-defining datas required by video service system of provider domain are docked, be used for the aid identification of the business of achieving a butt joint, when such as A provider domain requires that user initiates program request, digital TV set-top box transmits the Service tracing code of program request page downloading, with describe user from enter the program request page of docking business to initiating program request to the finishing service path profile terminating program request; Such as B provider domain then requires that user is when program request, and digital TV set-top box transmits supplier and the program request column path parameter of program request page downloading, to carry out the statistics of hot services;
Based on said method, the Organization Chart of the cross-domain video traffic docking system of the wired interactive TV of the present invention as shown in Figure 2, its main workflow is as follows:
1, user is in digital TV set-top box, opens the Video Applications page of docking provider domain, and the video service system initiating to add docking provider domain before using video traffic docking is friend relation;
2, the video service system docking provider domain receives the laggard row relax of plusing good friend request, and both sides form friend relation; When using docking business, the video service system of docking provider domain, by intercepting friend state, realizes both sides' heartbeat and connects the testing mechanism kept;
3, user is by digital TV set-top box, browses the video traffic docking page of docking operator, browses, select the video frequency program needing to watch;
4, the video service system docking provider domain passes through friend relation, inquire this user profile and the digital TV set-top box information associated, issue the order request parameter that docking business is relevant, this parameter is according to definition format of the present invention, automatically generation is calculated by the Video Applications page connect in the video service system of provider domain, and be encapsulated in the XMPP message data of the present invention's definition, undertaken alternately by XMPP data-message passage.
5, digital TV set-top box is expanded after receiving order request parameter, comprises the information such as start/end time increasing Set Top Box MAC, current IP address, broadcasting, forms complete order request data, and sends to the video service system connecing provider domain;
6, the video service system connecing provider domain carries out resolving and processing after receiving the order request data of docking user, comprises business authentication, programme content format checking, Service Source application;
7, after the video service system of docking provider domain completes order request process, the digital TV set-top box used to docking user provides transmission of video service;
8, user receives the video frequency program docking provider domain and transmit by digital TV set-top box, realizes the cross-domain video traffic docking of wired interactive TV.
9, the XMPP message passage docking related in the present invention, uses standard x MPP agreement and treatment mechanism.
Claims (3)
1. the implementation method of the cross-domain video traffic docking system of wired interactive TV, it is characterized in that, based on the information communication mechanism of XMPP, the digital TV set-top box of user side uses XMPP message formal definition order request data, and order request data comprise the digital TV set-top box information of order request, supported media formats, real-time fast forwarding and fast rewinding Play Control order when watching order video program;
When user uses interactive TV to cross over video traffic, the order request that digital TV set-top box sends to the video service system docking provider domain, program request request msg is carried by XMPP message, after the video service system of docking provider domain receives the XMPP message of user side order request, it is resolved and processes, for it distributes Video service resource, and video frequency program is pushed to the digital TV set-top box of the request of initiation with media formats compatible in request.
2. the implementation method of the cross-domain video traffic docking system of wired interactive TV according to claim 1, it is characterized in that, described use XMPP message formal definition order request data specifically comprise:
1) demand protocol that the video service system docking provider domain is supported;
2) dock work address and the port of the video service system of provider domain, send request for digital TV set-top box to this address and port;
3) path of user's video frequency program of asking in the video service system of docking provider domain;
4) initiate the information of the digital TV set-top box of order request, comprise the working port of Set Top Box MAC Address, Set Top Box current IP address, Set Top Box reception request program;
5) the Play Control operation that the video service system docking provider domain is supported, comprises the identification code of F.F., rewind, time-out, shut-down operation, the start and end time that appointed program is play;
6) the DRM protective capability that the video service system docking provider domain is supported, comprises and whether uses DRM, support DRM type, DRM link address and port;
7) media content format supported of digital TV set-top box;
8) dock other self-defining datas required by video service system of provider domain, be used for the aid identification of the business of achieving a butt joint.
3. the implementation method of the cross-domain video traffic docking system of wired interactive TV according to claim 1 or 2, is characterized in that, specifically comprise the steps:
A: user, in digital TV set-top box, opens the Video Applications page of docking provider domain, the video service system initiating to add docking provider domain before using video traffic docking is friend relation;
B: the video service system of docking provider domain receives the laggard row relax of plusing good friend request, and both sides form friend relation; When using docking business, the video service system of docking provider domain, by intercepting friend state, realizes both sides' heartbeat and connects the testing mechanism kept;
C: user, by digital TV set-top box, browses the video traffic docking page of docking operator, browses, select the video frequency program needing to watch;
D: the video service system of docking provider domain passes through friend relation, inquire this user profile and the digital TV set-top box information associated, issue the order request parameter that docking business is relevant, this parameter is according to definition format of the present invention, automatically generation is calculated by the Video Applications page connect in the video service system of provider domain, and be encapsulated in the XMPP message data of the present invention's definition, undertaken alternately by XMPP data-message passage;
E: digital TV set-top box is expanded after receiving order request parameter, comprises the information such as start/end time increasing Set Top Box MAC, current IP address, broadcasting, forms complete order request data, and sends to the video service system connecing provider domain;
F: the video service system connecing provider domain carries out resolving and processing after receiving the order request data of docking user, comprises business authentication, programme content format checking, Service Source application;
G: after the video service system of docking provider domain completes order request process, provide transmission of video service to docking user digital TV set-top box used;
H: user receives the video frequency program docking provider domain and transmit by digital TV set-top box, realizes the cross-domain video traffic docking of wired interactive TV;
I: the XMPP message passage docking related in the present invention, uses standard x MPP agreement and treatment mechanism.
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CN108833954B (en) * | 2018-06-07 | 2020-12-11 | 深圳市亿联智能有限公司 | Data analysis mode supporting multiple IPTV data formats |
CN112383475A (en) * | 2020-12-01 | 2021-02-19 | 安徽信息工程学院 | Cross-domain video data forwarding method |
CN115225928A (en) * | 2022-05-11 | 2022-10-21 | 北京广播电视台 | Multi-type audio and video mixed broadcasting system and method |
CN115225928B (en) * | 2022-05-11 | 2023-07-25 | 北京广播电视台 | Multi-type audio and video mixed broadcasting system and method |
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