CN101938631A - SDF middleware-based video-on-demand system and method - Google Patents
SDF middleware-based video-on-demand system and method Download PDFInfo
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Abstract
The invention discloses an SDF middleware-based video-on-demand system and an SDF middleware-based video-on-demand method. The system comprises a video-on-demand client, a transmission network and a video-on-demand server, wherein the video-on-demand client is used for resolving the SDF middleware of a digital television video-on-demand channel, providing a television picture on the digital television and providing a video-on-demand client interface for digital family users; the transmission network is used for transmitting instruction information and audio and video information between the video-on-demand client and the video-on-demand server; and the video-on-demand server is used for making a response to the video-on-demand request of the users and transmitting the video information demanded by the users. The system of the invention uses the SDF middleware; a set top box interface using the middleware is very convenient to operate, and automatic downloading or memory data deletion can be realized every time the information interface is opened or closed; and thus, dead halt is avoided, user experience is improved and the users can use the system conveniently.
Description
Technical field
The present invention relates to digital home technical field, be specifically related to a kind of video on-demand system and method based on the SDF middleware.
Background technology
Along with the fast development of social informatization, interactive television and multimedia technology become the focus that people pay close attention to already, will realize in the near future that the digital television broadcasting TV is limited, satellite and wireless whole nation covering.
Cable television digitalization, can increase the program capacity greatly, colourful specialization, variation, objectification program are provided, distinct image quality and graceful tonequality more are provided, the user can also enjoy the service of various informations when enjoying radio and television services.Video request program is a kind of interactive service that grows up in the U.S. nineties in 20th century, it is the broadcast program that requires according to spectators, has fundamentally changed the deficiency that user's past passive formula is seen TV.When you turn on TV, you can not see advertisement, and are in a hurry for certain program, watch the program of program request at any time.
Can whether set-top box be as the terminal of video request program, and whether the interface is friendly, operate simple and convenient and easy to studyly, is the important indicator of measurement set-top box, also can directly influence user's frequency of utilization, extra earning thereby be related to this business.At present, when using the set-top box browsing information of band browser, generally be opened to about 50 pages, set-top box just may crash and can't operate, and must withdraw from reopening, and this problem makes the user feel very inconvenient.
Summary of the invention
The invention provides a kind of video on-demand system and method based on the SDF middleware, make the user to select to want the program watched by remote controller, simultaneously can avoid the phenomenon that crashes, the while user also can upload oneself by this system and think resources shared, uses more convenient.
The present invention is achieved by the following technical programs:
The invention provides a kind of video on-demand system based on the SDF middleware:
This system comprises video request program client, transmission network, ordering server;
Described video request program client is used for the SDF file of resolution digital TV Video On Demand channel, and television image is provided on Digital Television, and the client end interface of video request program is provided for the user of digital home;
Described transmission network is used for command information and audio/video information between transmission of video program request client and the ordering server;
Described ordering server is used for user's video request program request is made a response, and sends the video information of user institute program request.
Preferably, described video request program client comprises bi-directional set-top box, Digital Television, remote controller;
The user oneself wants the program watched in the video request program channel selection by described remote controller, described bi-directional set-top box is by the SDF file of resolution digital TV Video On Demand channel, television image is provided on Digital Television, the client end interface of video request program is provided for the user.
Preferably, the employed middleware of described bi-directional set-top box is the SDF middleware, is used to resolve the SDF language, for the user provides client end interface, and provides the hardware interface of user's uplink data.
Preferably, described SDF middleware comprises figure and multi-media module, core system module, communication protocol module, WEB engine, hardware interface module;
Described figure and multi-media module, be used for being connected, provide that senior function user draws, the management of many forms and audio frequency and video control, processing remote static state and dynamic data with the lower floor platform, handle time and synchronization constrain between the multimedia, handle the various types of media resource;
The core system module is used to handle memory management, thread regulation and control, time management, fail safe control, data downloading management and network protocol management;
Described communication protocol module is used to handle the message transmission of each intermodule in the middleware, and the information between bi-directional set-top box and transmission network transmits mutually, makes video-on-demand service be applied to various operating systems and hardware systems;
The WEB engine is used for the information of the video request program formal representation with webpage;
Hardware interface module is used to various multimedia equipments that driving is provided.
Preferably, described transmission network is for being digital TV network, or the Internet network.
Preferably, described ordering server comprises database, enquiry module, accounting module and communication module;
Described database is used to store all resources for the user video program request;
Described enquiry module is used for searching corresponding audio and video resources from database, sends to client;
Described communication module is used for obtaining the state of each module of ordering server, controls the communication of each intermodule, simultaneously instruction transmission and the resource transmission between control of video vod server and transmission network;
Described accounting module is used for after video request program begins, and according to the type computational costs of user video program request, and cost information is attached to sends the user in the programme information to.
Preferably, described video request program client receives the video resource that the user uploads, described video resource contains identification information, and be transferred to ordering server by transmission network, resource classification is deposited according to identification information by ordering server, and used the user of video-on-demand service to share by all.
The present invention also provides a kind of VOD method:
This method is used the video on-demand system that comprises video request program client, transmission network, ordering server;
SDF file by described video request program client resolution digital TV Video On Demand channel provides television image on Digital Television, the client end interface of video request program is provided for the user of digital home;
By command information and the audio/video information between transmission network transmission of video program request client and the ordering server;
By described ordering server user's video request program request is made a response, and send the video information of user institute program request.
Preferably, the bi-directional set-top box of video request program client use the SDF middleware as middleware to resolve the SDF language, for the user provides client end interface, and provide the hardware interface of user's uplink data.
By technique scheme as can be seen, the bi-directional set-top box of the video request program client in the system of the present invention uses the SDF middleware as middleware, and adopts the set-top box interface operation of middleware very convenient, and " mouse " has been installed seemingly.In addition, adopted middleware platform, can revise very easily and use and download and carry out according to user's hobby and custom.And information interface is opened at every turn or withdrawed to the set-top box of loading the middleware of knowing clearly, and can download or remove internal storage data automatically, therefore the deadlock problem can not occur.Further, ordering server is searched video resource and is had transmission network to send the video request program client to according to request signal in database, programme information will be shown to the user on Digital Television, also the deadlock problem can not take place, improve user's impression greatly, be user-friendly to.
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 a system configuration schematic diagram of the present invention;
Fig. 2 is the method flow diagram of user's order video of the present invention;
Fig. 3 is the method flow diagram of user's shared resource of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making all other embodiment that obtained under the creative work prerequisite.
As shown in Figure 1, be the overall structure block diagram of the video on-demand system that the present invention is based on the SDF middleware.This system comprises: video request program client 101, transmission network 102, ordering server 103.
Video request program client 101: the platform that interactive operation is provided as the user.
The operation requests that the user can carry out video request program by video request program client 101, video request program client 101 is responsible for sending service request to transmission network.Video request program client 101 also can be the user hardware interface is provided.The user far uploads resource with others by video request program client 101 and shares.Video resource is finally displaying the play on the video request program client 101 or on other user client.
Video request program client 101 specifically can comprise bi-directional digital set-top box 104, Digital Television 105 or other video display apparatus, remote controller 106.
Bi-directional digital set-top box 104: the SDF file by resolution digital TV Video On Demand channel provides television image, thereby the client end interface of video request program is provided for the user of digital home on Digital Television 105.Bi-directional set-top box 104 supports that also the user uploads audio-video document simultaneously, and provides it to transmission network, has realized sharing.The request that bi-directional digital set-top box 104 receives users' input also sends transmission network to, and the receiver, video vod server transmits the programme information of returning by transmission network.Bi-directional digital set-top box 104 allows the user to upload resource for the user provides hardware interface simultaneously.
Bi-directional set-top box 104 employed middlewares are the SDF middleware, can resolve the SDF language, for the user provides client end interface, and provide the hardware interface of user's uplink data.SDF is a scene description document, is a kind of operating process intermediate language, and the element type that it is supported has picture, video, literal, input frame etc.Described SDF middleware comprises figure and multi-media module, core system module, communication protocol module, WEB engine, hardware interface module.Wherein:
Figure and multi-media module are connected with the lower floor platform, senior function user drawing, the management of many forms and audio frequency and video control are provided, can processing remote static state and dynamic data, handle time and synchronization constrain between the multimedia, can handle the various types of media resource.
The core system module can be handled memory management, thread regulation and control, time management, fail safe control, data downloading management and network protocol management.
Communication protocol module is handled the message transmission of each intermodule in the middleware, and the information between set-top box and transmission network transmits mutually, makes video-on-demand service can be applied to various operating systems and hardware systems.
The WEB engine is with the information of the video request program formal representation with webpage.
Hardware interface module provides driving for various multimedia equipments.
Digital Television 105: as display device, the display client interface, user's audio finally shows by Digital Television 105.
Remote controller 106: as input equipment, the user selects the own TV programme of being liked by remote controller 106, and inputs to bi-directional digital set-top box 104.
Transmission network 102: being used to transmit command information and audio/video information between bi-directional set-top box 104 and the ordering server 103, can be digital TV network, also can be the Internet network.
Ordering server 103: be used for user's video request program request is made a response, and send the video information of user institute program request.Ordering server 103 has been stored the resources bank of video request program, receives the solicited message that sends through transmission network, and sends corresponding audio and video resources according to request.Ordering server 103 can also receive the resource that the user uploads, and according to resource identification to its storage of classifying.Also can be watched after the storage of user's resources shared by other user's program requests.
Ordering server 103 specifically can comprise database 107, enquiry module 108, communication module 109, accounting module 110.
Database 107: having stored can be for all resource of user video program request, and these resources can be uploaded from video request program operator, also can share gained by the user.Can enclose identification information when operator or user upload resource, database root is stored its classification according to resource identification.
Enquiry module 108: after ordering server 103 receives user's service request, from database 107, search corresponding audio and video resources, send to client by enquiry module 108.
Communication module 109: communication module 109 obtains the state of each module in the ordering server 103, controls the communication of each intermodule.Instruction transmission and resource transmission between while control of video vod server 103 and transmission network.
Accounting module 110: after video request program began, accounting module 110 was according to the type computational costs of user video program request, and cost information is attached to sent the user in the programme information to.The type of video request program can be monthly payment, bag year, collect the charges, collects the charges or the like by the time by flow.
Above-mentionedly introduce system of the present invention, below in conjunction with system introduction method of the present invention.
Among the present invention, the user can oneself want the program watched by remote controller in the video request program channel selection.Transmission network sends to ordering server with user's solicited message.Ordering server is searched video resource and is had transmission network to send the video request program client to according to request signal in database.Programme information will be shown to the user on Digital Television.And the user also can be with oneself video resource by the video request program client upload, and the user can add sign information uploading on the resource.Upload resource and be transferred to ordering server by transmission network, ordering server is deposited resource classification according to identification information, and the resource of uploading onto the server promptly can use the user of video-on-demand service to share by all.
In order further to understand the operational process of system of the present invention, illustrate that below in conjunction with the operational flow diagram of Fig. 2 the user carries out the step of video request program, specifically comprises:
Step 201, beginning.
The user opens set-top box, enters into the video request program channel.
Step 202, the SDF middleware is resolved the SDF file, presents main interface.
Set-top box is written into and resolves the SDF file in the video request program channel, for the user provides client end interface.
Step 203, user's request program.
The user watches client end interface, selects the TV programme oneself liked, determines by remote controller.
Step 204, set-top box sends service request.
Set-top box reads user's command information, and sends user command to transmission network by the SDF file.
Step 205, the IP Information On Demand transmission.
The user command that the set-top box that receives transmission network transmits sends ordering server to.
Step 206, ordering server read user's IP Information On Demand.Search module and judge at first whether this user pays dues,, enter step 207,, enter step 208 if do not pay the fees if pay the fees.
Step 207 is searched corresponding video resource according to information in database.Send video resource to user by transmission network.Enter step 209
Step 208, because do not pay the fees, the then video request program request of refusing user's, and refusal information returned to the user.Enter step 210
Step 209, the user accepts the information that the ordering server end transmits and shows on Digital Television.Because be the user that pays the fees, then Digital Television is play the program of its program request.
Step 210, because be unpaid expense family, then display server refusal information on the Digital Television re-uses video-on-demand service after prompting is paid the fees.
As shown in Figure 3, the flow chart for user's shared resource of the present invention comprises step:
Step 301, beginning.
The user opens the set-top box box, enters into the video request program channel.
Step 302, the SDF middleware is resolved the SDF file, presents main interface.
Set-top box is written into and resolves the SDF file in the video request program channel, for the user provides client end interface.
Step 303, the user selects " resource is uploaded ".
The user selects " resource is uploaded " function by remote controller on client end interface.
Step 304 is uploaded resource and sign.
The user is by the USB excuse of set-top box, and elder generation to set-top box, is selected resource transfers " uploading network " then, and then resource is transmitted by transmission network.Prompting identified the biography resource according to client slide program when the user uploaded resource, so that the database classification.
Step 305, resource transmission.
Transmission network is uploaded resource with the client and is passed to ordering server.
Step 306, server is stored resource classification.
Ordering server receives the resource that the user uploads, and resource is classified and is stored in the database according to its expression information.After storing successfully, ordering server returns the storage successful information and gives the user.
Step 307 is stored successfully.
The storage successful information returns to the user by transmission network and shows on Digital Television.So far, the user uploads the resource success.
By technique scheme as can be seen, the bi-directional set-top box of the video request program client in the system of the present invention uses the SDF middleware as middleware, and adopts the set-top box interface operation of middleware very convenient, and " mouse " has been installed seemingly.In addition, adopted middleware platform, can revise very easily and use and download and carry out according to user's hobby and custom.And information interface is opened at every turn or withdrawed to the set-top box of loading the middleware of knowing clearly, and can download or remove internal storage data automatically, therefore the deadlock problem can not occur.Further, ordering server is searched video resource and is had transmission network to send the video request program client to according to request signal in database, programme information will be shown to the user on Digital Television, also the deadlock problem can not take place, improve user's impression greatly, be user-friendly to.
Need to prove, contents such as the information interaction between said apparatus and intrasystem each unit, implementation since with the inventive method embodiment based on same design, particular content can repeat no more referring to the narration among the inventive method embodiment herein.
More than to a kind of video on-demand system and method that the embodiment of the invention provided based on the SDF middleware, be described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (9)
1. video on-demand system based on the SDF middleware is characterized in that:
This system comprises video request program client, transmission network, ordering server;
Described video request program client is used for the SDF file of resolution digital TV Video On Demand channel, and television image is provided on Digital Television, and the client end interface of video request program is provided for the user of digital home;
Described transmission network is used for command information and audio/video information between transmission of video program request client and the ordering server;
Described ordering server is used for user's video request program request is made a response, and sends the video information of user institute program request.
2. the video on-demand system based on the SDF middleware according to claim 1 is characterized in that:
Described video request program client comprises bi-directional set-top box, Digital Television, remote controller;
The user oneself wants the program watched in the video request program channel selection by described remote controller, described bi-directional set-top box is by the SDF file of resolution digital TV Video On Demand channel, television image is provided on Digital Television, the client end interface of video request program is provided for the user.
3. the video on-demand system based on the SDF middleware according to claim 2 is characterized in that:
The employed middleware of described bi-directional set-top box is the SDF middleware, is used to resolve the SDF language, for the user provides client end interface, and provides the hardware interface of user's uplink data.
4. the video on-demand system based on the SDF middleware according to claim 3 is characterized in that:
Described SDF middleware comprises figure and multi-media module, core system module, communication protocol module, WEB engine, hardware interface module;
Described figure and multi-media module, be used for being connected, provide that senior function user draws, the management of many forms and audio frequency and video control, processing remote static state and dynamic data with the lower floor platform, handle time and synchronization constrain between the multimedia, handle the various types of media resource;
The core system module is used to handle memory management, thread regulation and control, time management, fail safe control, data downloading management and network protocol management;
Described communication protocol module is used to handle the message transmission of each intermodule in the middleware, and the information between bi-directional set-top box and transmission network transmits mutually, makes video-on-demand service be applied to various operating systems and hardware systems;
The WEB engine is used for the information of the video request program formal representation with webpage;
Hardware interface module is used to various multimedia equipments that driving is provided.
5. according to each described video on-demand system of claim 1 to 4, it is characterized in that based on the SDF middleware:
Described transmission network is for being digital TV network, or the Internet network.
6. according to each described video on-demand system of claim 1 to 4, it is characterized in that based on the SDF middleware:
Described ordering server comprises database, enquiry module, accounting module and communication module;
Described database is used to store all resources for the user video program request;
Described enquiry module is used for searching corresponding audio and video resources from database, sends to client;
Described communication module is used for obtaining the state of each module of ordering server, controls the communication of each intermodule, simultaneously instruction transmission and the resource transmission between control of video vod server and transmission network;
Described accounting module is used for after video request program begins, and according to the type computational costs of user video program request, and cost information is attached to sends the user in the programme information to.
7. according to each described video on-demand system of claim 1 to 4, it is characterized in that based on the SDF middleware:
Described video request program client receives the video resource that the user uploads, described video resource contains identification information, and be transferred to ordering server by transmission network, resource classification is deposited according to identification information by ordering server, and used the user of video-on-demand service to share by all.
8. VOD method is characterized in that:
This method is used the video on-demand system that comprises video request program client, transmission network, ordering server;
SDF file by described video request program client resolution digital TV Video On Demand channel provides television image on Digital Television, the client end interface of video request program is provided for the user of digital home;
By command information and the audio/video information between transmission network transmission of video program request client and the ordering server;
By described ordering server user's video request program request is made a response, and send the video information of user institute program request.
9. VOD method according to claim 8 is characterized in that:
The bi-directional set-top box of video request program client use the SDF middleware as middleware to resolve the SDF language, for the user provides client end interface, and provide the hardware interface of user's uplink data.
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| CN 201010268715 CN101938631A (en) | 2010-08-31 | 2010-08-31 | SDF middleware-based video-on-demand system and method |
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| CN 201010268715 CN101938631A (en) | 2010-08-31 | 2010-08-31 | SDF middleware-based video-on-demand system and method |
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| CN102447947A (en) * | 2011-10-27 | 2012-05-09 | 东莞中山大学研究院 | Video-on-demand system for cell-end network |
| CN103067789A (en) * | 2011-10-20 | 2013-04-24 | 安美世纪（北京）科技有限公司 | Frequency channel and program visual selection method |
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Application publication date: 20110105 |