CN101247344A - Access method supporting multiple IPTV services platform and IPTV terminal unit - Google Patents
Access method supporting multiple IPTV services platform and IPTV terminal unit Download PDFInfo
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- CN101247344A CN101247344A CNA2008100842841A CN200810084284A CN101247344A CN 101247344 A CN101247344 A CN 101247344A CN A2008100842841 A CNA2008100842841 A CN A2008100842841A CN 200810084284 A CN200810084284 A CN 200810084284A CN 101247344 A CN101247344 A CN 101247344A
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Abstract
Disclosed is an access method supporting multi-IPTV service platform and IPTV terminal equipment. The invention accesses authentication plug-ins, JavaScript extended object plug-ins and network media access plug-ins by implantation service system, loading different concrete realizations according to different service platform types, so as to perform the access of the service platform of which the difference is shielded. The invention shows a less modification to the terminal equipment system structure and easy integration as well.
Description
Technical field
The present invention relates to the IPTV access technology, relate in particular to a kind of cut-in method and IPTV terminal equipment of many IPTV of support business platform.
Background technology
At present, the application of IPTV is at the early-stage.The ability that the IPTV business platform provides comprises authentification of user, user capture mandate, programme content issue navigation, distribute media content, interaction content issue etc.Fig. 1 is the system diagram that IPTV business platform and terminal equipment are shown.As shown in Figure 1, IPTV business platform 10 can be divided into business authentication authoring system 101, electronic program guides (EPG) system 102, media delivery service 103 and interactive value-added system 104 etc. on technological frame.IPTV terminal equipment 11 is communicated by letter with IPTV business platform 10 and is carried out alternately.The IPTV business platform all requires terminal equipment to possess decoding capability and browser at present.Main flow IPTV business platform all setting terminal equipment provides JavaScript (java script) extension mechanism.
The IPTV business platform needs problems such as representing flexibly of resolution system load balancing, video quality, interaction content.The IPTV solution is generally the solution end to end that is proposed by solution supplier.All there is unique distinction in solution supplier in the design of service platform system, there are binding closely in business platform and STB terminal equipment.This bundle relation mainly embodies each business platform producer separately different modes on the business platform interface, terminal equipment wants the access service platform need obtain business platform provider's information, and the agreement of correct understanding business platform is set and handling process etc.
IPTV operator in development IPTV business procedure in order to introduce a competition mechanism to form good industrial chain, need a plurality of terminal equipment merchants that the various terminal equipments that can insert a plurality of IPTV business platforms are provided, thereby need to solve the interface problem of IPTV business platform and terminal equipment.
Because the interface of IPTV business platform and terminal equipment relates to media interviews quality, efficient, stability and user's many-sides such as experience, at present also lacking enough operation experiences and come the relevant interface of standardization IPTV, is relatively reasonable selection thereby keep these interfaces business platform feature separately.In this case, in order to realize inserting each business platform, the application software of terminal equipment need realize the interface of each IPTV business platform.And the solution of present middleware all is to finish the connection of plurality of devices to a specific transactions platform, then needs the solution of integrated a plurality of middlewares for connecting multiple service platform, has very big difficulty on integrated.
Summary of the invention
The technical problem that the present invention will solve provides a kind of cut-in method of many IPTV of support business platform, have be easy to integrated, the terminal equipment architectural framework is changed few advantage.
The cut-in method of many IPTV of support business platform provided by the invention comprises: according to the business platform type that will insert load realize in advance with business platform corresponding service system access authentication interface; Load the JavaScript EXPANDING DISPLAY AREA corresponding that realizes in advance with business platform according to the business platform type; The access authentication of finishing business platform by the operation system access authentication interface that loads and JavaScript EXPANDING DISPLAY AREA.
Further, this cut-in method also comprises step after finishing the access authentication of described business platform: the network protocol message that provides according to business platform type and media player loads the data source plug-in of the needed network media visit of the business platform of realizing in advance plug-in unit as media player; The network media visit plug-in unit that loads obtains media data according to the control command access service platform of media player, and media data is carried out passing to follow-up play device assembly to realize media play after the business platform distribution of media agreement relevant treatment.
Wherein, business platform distribution of media agreement relevant treatment comprises in handling one or more of the issuing of buffer memory control, media data, the deciphering of media data, the feedback of Media Stream message, the network error of reception, the media data of access control, the media data of the business platform network media.
Further, network media visit plug-in unit is followed media player intraware standard.
An embodiment according to cut-in method of the present invention, operation system access authentication interface comprises that electronic program guides obtains interface, comprises step after finishing the access authentication of described business platform: obtain the electronic program guides that interface obtains described business platform by described electronic program guides.Operation system access authentication interface also comprises key assignments table setting callback interface, comprises step after finishing the access authentication of described business platform: set the key assignments table mapping that callback interface is provided with described IPTV terminal equipment by described key assignments table.Operation system access authentication interface also comprises message notifying callback interface, system hibernates interface or shutdown interface.
According to an embodiment of cut-in method of the present invention, the JavaScript EXPANDING DISPLAY AREA is come the controls playing device, controls graphics system, finishes the read-write of information or is obtained business authentication information by operation system access authentication interface by the bottom expanded application function of terminal equipment.
The cut-in method of many IPTV of support business platform provided by the invention, load corresponding service system authentication interface and JavaScript EXPANDING DISPLAY AREA according to the IPTV business platform that will insert, and finish the access authentication of business platform, thereby support access and visit to a plurality of IPTV business platforms by them.These authentication interfaces and EXPANDING DISPLAY AREA have the general character of IPTV business platform, are easy to integratedly when realizing, the terminal equipment architectural framework are changed few.
The technical problem that the present invention will solve provides a kind of terminal equipment of many IPTV of support business platform.
IPTV terminal equipment provided by the invention comprises basic function part, browser and media player, and browser comprises the JavaScript engine; Wherein, basic function partly comprises the access authentication module, be used to obtain the business platform type that will insert, load and business platform corresponding service system access authentication interface, finish access authentication with the business platform that will insert by operation system access authentication interface; Browser comprises JavaScript EXPANDING DISPLAY AREA module, be used for obtaining and business platform type and list object from the access authentication module, finish the loading of JavaScript EXPANDING DISPLAY AREA according to list object, carry out control or the operation of business platform terminal equipment by the JavaScript EXPANDING DISPLAY AREA that loads.
Further, media player comprises network media access modules in this IPTV terminal equipment, be used for according to the business platform type that obtains from the access authentication module with from the network protocol message load networks media interviews plug-in unit of media player data source plug-in as media player, from the business platform receiving media data, media data is passed to follow-up play device assembly to realize media play by network media visit plug-in unit.
IPTV terminal equipment provided by the invention, finish and the access authentication that will insert the yoke business platform by the access authentication module, carry out control or the operation of business platform by JavaScript EXPANDING DISPLAY AREA module to terminal equipment, can adaptive different business platform type, realize the access of many IPTV business platform.
Further,, shielded the difference of different business platform, realized the media play of many IPTV business platform the procotol requirement of media data by the data source plug-in of the network media access modules loading media player corresponding with the business platform type.
Description of drawings
Fig. 1 illustrates the system diagram that comprises IPTV business platform and terminal equipment;
Fig. 2 is the flow chart that illustrates according to an embodiment of the cut-in method of many IPTV of support business platform of the present invention;
Fig. 3 is the flow chart that illustrates according to another embodiment of the cut-in method of many IPTV of support business platform of the present invention;
Fig. 4 is the structure chart that illustrates according to IPTV terminal equipment of the present invention;
Fig. 5 is the example that illustrates according to the bottom utility function mapping of JavaScript EXPANDING DISPLAY AREA of the present invention and terminal equipment.
Embodiment
With reference to the accompanying drawings the present invention is described more fully, exemplary embodiment of the present invention wherein is described.
Basic thought of the present invention is to implant operation system access authentication plug-in unit, JavaScript EXPANDING DISPLAY AREA plug-in unit and network media visit plug-in unit in terminal equipment.Above-mentioned plug-in unit has been realized the data source plug-in of access authentication interface, EXPANDING DISPLAY AREA and the media player of a plurality of IPTV business platforms respectively.When the access service platform, the correspondence that loads in the above-mentioned plug-in unit according to the business platform type that will insert realizes respectively, thereby realizes the access of terminal equipment and IPTV business platform.
Fig. 2 is the flow chart that illustrates according to an embodiment of the cut-in method of many IPTV of support business platform of the present invention.
As shown in Figure 2, in step 201, after the terminal equipment application initializes, obtain the type of the IPTV business platform that will insert from system configuration or configuration server, load in the operation system access authentication plug-in unit of terminal equipment specific implementation according to this business platform type with this business platform corresponding service system access authentication interface.Configuration server is generally independently set up outside a plurality of IPTV business platforms.The inlet of terminal equipment points to this configuration server, is determined the platform configuration of terminal equipment by the return results of configuration server.The operation system authentication interface for example comprises that EPG obtains interface, the key assignments table is set callback interface, message notifying callback interface, system hibernates interface or shutdown interface etc.
In step 202, behind the application initializes JavaScript engine of browser that terminal equipment is used or dependence JavaScript engine, business platform type and corresponding list object by the operation system access authentication interface acquisition that has loaded will insert load the JavaScript EXPANDING DISPLAY AREA according to this business platform type and list object.The JavaScript EXPANDING DISPLAY AREA is come the controls playing device, controls graphics system, is finished the operations such as read-write of information by the bottom expanded application function of terminal equipment, also obtains the business authentication relevant information by operation system access authentication interface.
In step 203, by the access authentication that the operation system authentication interface that loaded and JavaScript EXPANDING DISPLAY AREA are finished business platform, visit IPTV business platform is finished processes such as terminal equipment registration, binding, login.Can also obtain the EPG that interface obtains business platform by EPG, set the key assignments table mapping of callback interface setting terminal equipment by the key assignments table, the heartbeat detection or the monitoring traffic system message that keep terminal equipment and business platform by the message notifying callback interface, by the dormancy of system hibernates interface start-up system, carry out power-off operation etc. by the shutdown interface.
Fig. 3 is the flow chart that illustrates according to another embodiment of the cut-in method of many IPTV of support business platform of the present invention.
As shown in Figure 3, in step 301, the specific implementation of the business platform corresponding service system access authentication interface that after application initializes, will insert in loading and the system configuration.The life cycle of the specific implementation of the operation system access authentication plug-in unit that loads is consistent with the life cycle that terminal equipment is used.
In step 302, finish access authentication with this business platform by the operation system access authentication interface that loads.
In step 303, after the initialization of JavaScript engine, load and the corresponding JavaScript EXPANDING DISPLAY AREA of business platform in the system configuration.By the JavaScript EXPANDING DISPLAY AREA control media player that loads.The life cycle of JavaScript EXPANDING DISPLAY AREA plug-in unit is consistent with the life cycle of JavaScript engine.
In step 304, media player starts the back according to the platform information in the system configuration with from the network protocol message load networks media interviews plug-in unit of the media player data source plug-in as media player.The shell of network media visit plug-in unit is by the intraware design specification agreement of media player in the target terminal equipment, the kernel of plug-in unit is implemented according to business platform Media Stream interface detailed rules and regulations, gets in touch between kernel and the shell according to different terminal equipment media player system to be optimized.Network media visit plug-in unit according to the management of player intraware management method, need not to revise the media-player software of terminal equipment by media player.
In step 305, network media visit plug-in unit is finished the issuing of buffer memory control, media data, the deciphering of media data, the feedback of Media Stream message, the network error of reception, the media data of access control, the media data of the corresponding business platform network media and is handled according to system configuration.Receive data by network media visit plug-in unit from business platform, pass to follow-up play device assembly after the processing to realize media play.
The cut-in method of many IPTV of support business platform provided by the invention, the specific implementation corresponding with the business platform type by loaded with traffic system access authentication plug-in unit and JavaScript EXPANDING DISPLAY AREA plug-in unit realized the access authentication with the IPTV business platform.The plug-in unit that provides is easy to integrated, the terminal equipment architectural framework is changed few.Visit the collaborative work of plug-in unit by operation system access authentication plug-in unit, JavaScript EXPANDING DISPLAY AREA plug-in unit, the network media that loads, the Operational Visit access capability of the application of terminal equipment to the IPTV business platform is provided, shield the otherness of concrete business platform, support the access of many IPTV business platform.
Cut-in method of the present invention can comprise whole operation system interfaces on the function of the interface that plug-in unit is realized, the external form of plug-in unit and load mode and operation system interface are irrelevant, therefore, to finishing the integrated terminal equipment of interface, at the procedure of adaptation of different business platform, do not need target terminal equipment to use to make amendment or upgrade.Further, the inventive method is followed the mode that target terminal equipment has software architecture having adopted in appearance of plug-in unit, and is integrated highly beneficial for the interface software of quick realization terminal equipment.Be particularly conducive to the optimization work behind the integrated interface software, and keep the peculiar function of target terminal equipment.
Fig. 4 is the structure chart that IPTV terminal equipment of the present invention is shown.As shown in Figure 4, the IPTV terminal equipment is divided into basic function part, media player and browser three parts.Above-mentioned three parts are supported by terminal hardware, hardware driving and the operating system of bottom.
Wherein, the basic function part for example comprises parts such as starting guiding, upgrading engine, system configuration, telemanagement, event log, OSD interface, message system.Terminal equipment of the present invention also comprises operation system access authentication module 401.After the terminal equipment initialization is finished, before the main business parts load, mode loaded with traffic system access authentication module 401 with the parts loading, operation system access authentication module 401 is used at the different business platform that will insert by the system configuration pattern or confirm the type of business platform by configuration server, adopt the distinctive authentication protocol of business platform to carry out business authentication then, thereby finish the access authentication of business platform.Further, operation system access authentication module 401 is connected with message system in the basic function module, be used for determining whether to start the business platform heartbeat detection, under the situation of corresponding business platform back-up system message, start service message and monitor according to the business platform authentication protocol.The life cycle of business authentication access module 401 and systems compliant make this module can keep the heartbeat detection or the monitoring traffic system message of state of activation maintenance and business platform.
Browser partly comprises JavaScript EXPANDING DISPLAY AREA module 402.Behind system initialization, initialization JavaScript engine in the browser start-up course, and load JavaScript EXPANDING DISPLAY AREA module 402.JavaScript EXPANDING DISPLAY AREA module 402 depends on operation system access authentication module 401, when operation system access authentication module 401 is in unactivated state, and JavaScript EXPANDING DISPLAY AREA module 402 cisco unity malfunctions.In the initialization procedure of JavaScript EXPANDING DISPLAY AREA module 402, connect the operation system access authentication module 401 that has loaded, need to obtain adaptive business platform type and initialization list object by operation system access authentication module 401.JavaScript EXPANDING DISPLAY AREA module 402 is handled player by bottom expanded application function and is carried out Play Control, the control graphics system, finish the operations such as read-write of information, also by obtaining the business authentication relevant information with being connected of operation system access authentication module 401.The life cycle and the JavaScript engine of JavaScript EXPANDING DISPLAY AREA module 402 are consistent.
The media player part can comprise network media visit plug-in unit 403.After browser started, if receive from the element of the professional page or the requirement of JavaScript instruction, media player was activated.Media player is judged load networks media interviews module 403 according to the network media agreement of visit in startup, and unloads this module when playing end or playing other protocol medias.Network media access modules 403 depends on operation system access authentication module 401, can't operate as normal when operation system access authentication module 401 is in unactivated state.Network media access modules 403 needs adaptive Platform Type by initialized operation system access authentication module 401 acquisitions in initialization procedure, and connects operation system access authentication module 401.Network media access modules 403 is used for obtaining media data according to the control command access medium platform of player, passes to follow-up play device assembly after the processing.Network media access modules 403 is thrown the event capturing processing module of giving media player or browser for medium instruction, state variation and abnormal conditions etc. that business platform issues by the event interface that media player provides in the media data processing procedure.Network media access modules 403 is followed media player intraware standard in force, can substitute original media player data source module and does not influence the performance of the external control of player.Network media access modules 403 adopts the different adaptive different media players of shell, and with the adaptive different business platform of different cores, the design between shell and the core can be taken efficient and stability into account, the difference of shielding media player.
According to a preferred embodiment of IPTV terminal equipment of the present invention, network media access modules 403 comprises network media access modules core 4031.Network media access modules core 4031 adaptive as required business platform when adaptive different business platform carries out pre-configured, carries out dynamic-configuration according to the business platform judges of operation system access authentication module 401 and the information of Operational Visit URL when perhaps moving.Network media access modules core 4031 is used for being responsible for handling processing, error correction and the buffer memory control of network media agreement, media data, at the platform that needs access registrar, obtain business authentication information by operation system access authentication module 401, can in core, finish the encryption and decryption operation of network media control command and the decryption oprerations of media data.
IPTV terminal equipment provided by the invention, by operation system access authentication module loading and the business platform type corresponding service system access authentication interface that will insert, realize access authentication with business platform, by the JavaScript EXPANDING DISPLAY AREA module loading EXPANDING DISPLAY AREA corresponding with business platform, be used to carry out the operation and the control of business platform, with processing media data, realize the broadcast of medium by the network media access modules loading data source plug-in corresponding with Platform Type and procotol.Can carry out adaptively accordingly at different business platforms, finish access a plurality of business platforms.Above-mentioned module is easy to integrated, changes less to the framework of IPTV terminal equipment.
The following describes the realization of the multiple IPTV business platform of access of the method according to this invention and terminal equipment.
At first introduce the classification that the IPTV business platform is realized.
Realize and technological development direction that according to technology the business authentication authoring system of IPTV business platform roughly can be divided three classes: 1) rely on the EPG system to carry out dynamic operation by set-top box in the mode of HTTP+HTML+JavaScript; 2) mode that relies on customized network agreement (customization TCP or udp protocol) or general Web Service (Web service) interface protocol is solidified by set-top box that logic carries out; 3) mixing of preceding two class modes is used.
The EPG system of IPTV business platform and interactive value-added system all adopt the mode of HTTP+HTML+JavaScript to carry out dynamic operation by set-top box, and technology development in future direction is to have page dynamic access technology such as adding Ajax on the page technology now.The set-top box behavior that the JavaScript of standard need control the IPTV business platform does not define proprietary control function, each platform adopts different JavaScript EXPANDING DISPLAY AREA to realize the ability control of these set-top box bottoms at present, as controlling media play, interface display control, effect control etc.
There are very many variations in the media delivery service of IPTV business platform.The algorithm that some has adopted complicated internal zone dividing makes the load of distribution of media can be issued to very high efficiency equilibrium in the participation of terminal equipment; Some adopted on the basis of conventional flow media server carry out at the IPTV service application that I/O optimizes realize the lifting of load capacity with protocol extension; Some then merges subregion and conventional flow agreement, reaches the lifting of function and performance after the extended flow agreement.All these media delivery services all relate to the modification of existing Open Standard stream protocol or use stream protocol fully independently to reach the Capability Requirement of IPTV distribution of media.The media container form difference that media delivery service may be taked in distribution media, network carrying agreement difference, quality control protocol difference.
Mainly be divided into five part: OS and hardware driving in the architecture of set-top box, set-top box management, professional control, media player, browser.Finish the access of an IPTV platform and need change professional control, media player, browser usually.The disparate modules of set-top box adopts different agreements, finish business authentication authoring system to the IPTV business platform by cooperatively interacting, the access and the visit of media delivery service, electronic program guidance system, interactive value-added system etc.The present invention is directed to different IPTV platforms, the corresponding interface of definition on the basis of the existing functional module of set-top box, implant each plug-in unit with to solving the adaptive of different IP TV business platform, other parts of set-top box need not be considered the details that is connected with the IPTV business platform.
The following describes the access of the method according to this invention and terminal to the business authentication authoring system of different IP TV business platform.
To relying on the EPG system to carry out the service authentication system of dynamic operation by set-top box in the mode of HTTP+HTML+Javascript, getEPGURL interface by the back authentication plug-in unit of starting shooting obtains the URL of authentication, set-top box loads browser the registration of JavaScript expansion plugin is entered browser JavaScript engine, browser by the URL access authentication system the page and carry out JavaScript on the page, verification function in the EXPANDING DISPLAY AREA among the JavaScript is called, and the JavaScript expansion plugin of the JavaScript engine of browser calls this on identifying algorithm that is mapped to the authentication plug-in unit and finishes authentication calculations.Browser returns to service authentication system with the result by HTTP, and service authentication system mandate set-top box visit EPG server launches follow-up business.
The mode that relies on customized network agreement or general Web Service interface protocol is solidified the service authentication system that logic is carried out by set-top box, by the protocol access system of authentication plug-in unit in back of starting shooting with the service authentication system regulation, by obtaining Service Ticket after the authentication, generate the URL of visit EPG, set-top box software obtains the URL of visit EPG by the getEPGURL interface of authentication plug-in unit, start browser access EPG server, launch follow-up business.
To mixing the service authentication system of aforesaid way, by the protocol access system of authentication plug-in unit in back of starting shooting with the service authentication system regulation, obtain the authentication scrip after finishing the authentication section step, generate the URL of visit EPG, set-top box software obtains the URL that interface obtains authentication by the getEPGURL interface of authentication plug-in unit, set-top box loads browser the registration of JavaScript expansion plugin is entered browser JavaScript engine, browser by the URL access authentication system the page and carry out JavaScript on the page, verification function in the EXPANDING DISPLAY AREA among the JavaScript is called, and the JavaScript expansion plugin of the JavaScript engine of browser calls this on identifying algorithm that is mapped to the authentication plug-in unit and finishes authentication calculations.Browser returns to service authentication system with the result by HTTP, and service authentication system mandate set-top box visit EPG server launches follow-up business.
Service authentication system in service in order to confirm target access platform type, the example of realizing (being not limited to this realization) can be to insert configuration information by the platform on the set-top box to obtain definite Platform Type, this information is described in the configuration information of set-top box, and the user can be by entering the Platform Type that the set-top box configuration interface is revised needs access.
Then, access and the visit to the EPG system and the interactive value-added system of different IP TV business platform of the method according to this invention and system is described.
EPG system and interactive value-added system for different IP TV business platform, the set box browser basis is complete in the support of the HTML+JavaScript of standard. at the support of JavaScript EXPANDING DISPLAY AREA, by in browser JavaScript engine, implanting the JavaScript expansion plugin, the function of JavaScript spread function can be mapped on the existing fulfillment capability function of set-top box by physical layer interface.For the JavaScript EXPANDING DISPLAY AREA of different platform, the JavaScript plug-in unit is finished different object method to the existing fulfillment capability Function Mapping of same set-top box.
Fig. 5 is the example that illustrates according to the mapping of the basic application programming interfaces (API) of JavaScript EXPANDING DISPLAY AREA of the present invention and bottom.As shown in Figure 5, platform A adopts the JavaScript expansion of object A, platform B adopts the JavaScript expansion of object B, each object method of object A is mapped to the basic application programming interfaces of set-top box bottom, and each object method of object B also is to be mapped to the basic application programming interfaces of this set-top box bottom.These basic capacity application programming interfaces are the universal applications program interface that set-top box realizes at the needs of integrated JavaScript expansion plugin.In the present invention these API are reduced Flash (flash memory) read-write, global memory's variable read-write, the set-top box essential information reads, player control, OSD figure layer shows control, key response control, functions such as JVM control.Can satisfy multi-platform needs by these functions being used in combination of expansion plugin inside.If object A and object B are JavaScript objects of the same name, then need insert configuration information according to the platform on the set-top box when the EXPANDING DISPLAY AREA plug-in unit is implanted and obtain the object realization that definite Platform Type loads correspondence, promptly this time, object A and object B can not be present in the JavaScript engine context simultaneously.
At last, access and the visit to the media delivery service of different IP TV business platform of the method according to this invention and terminal equipment is described.
Media delivery service for different platform, the platform otherness of distribution of media agreement is very big, and media content format limited comparatively speaking (all being the form that existing top-set hardware or software decoder can be supported basically), therefore network media data source plug-in is loaded with the form of a data source block of the inside of set-top box media player, handles the reception of network media data in player.The decoding of data and broadcast are then handled by the subsequent treatment parts of media player.At different IP TV business platform, the agreement difference that adopts, plug-in unit is all registered the procotol of the IPTV platform supported when the broadcast URL of media player registration, makes the protocol processes of different platform all be directed to the media data source plug-in unit by media player automatically and handles.And in the inner protocol contents that realizes a plurality of platforms of media data source plug-in unit.In plug-in unit protocol processes process, need the internal authentication algorithm of invokes authentication plug-in unit to finish the Certificate Authority process of media play at the authentication processing in the different platform media interviews process.The external interface of network media data source plug-in adopts and specifies the definition of integrated set-top box media player internal data source block accordant interface.For instance, suppose that the A platform adopts rtsp: //the medium URL form of hostname/resource.ts, the B platform adopt '＜media〉＜id idvalue＜/id＜server serverip＜/server＜/media ' the URL form, the C platform also is to adopt rtsp: //the medium URL form of hostname/resource.ts.Wherein A, B, C platform have nothing in common with each other on concrete medium interaction protocol.The reference of network media data source plug-in realizes, in the time of to the medium URL of media player registration will " rtsp " and "＜media " all be registered as the procotol that can explain, when player starts, at "＜media〉", plug-in unit can directly be enabled the agreement of B platform and operate, for " rtsp ", plug-in unit need insert configuration information by the platform on the set-top box and obtain definite Platform Type, and the agreement of determining to adopt the A platform still is that the agreement of C platform is come receiving media information.
In short, for platform A, set-top box start-up loading authentication plug-in unit, and setting key value table readjustment and event call-back function, it is A that the authentication plug-in unit inserts configuration information acquisition Platform Type by the platform on the set-top box, the Verification System of the authentication protocol visit A of employing A platform forms the URL of EPG, and set-top box is called getEPGURL, and set-top box starts browser and loads the JavaScript expansion plugin to the JavaScript engine.Wherein, calling of above-mentioned getEPGURL can be blocked, and that is to say, can wait to be certified finishing when set-top box is called this function.Browser access URL, JavaScript engine carry out the A EXPANDING DISPLAY AREA method on the A platform page, and JavaScript EXPANDING DISPLAY AREA A carries out representing of business tine with the basic API of bottom that method is mapped to set-top box.The control that comprises media player in the page is called, media player is activated, and the medium URL of acquisition A platform, media player is described word string according to the network protocol type of network media data source plug-in registration and is enabled plug-in unit as the data source parts, and network media data source plug-in is according to URL and platform configuration information confirms to enable the media protocol of A platform and the web medium server of A platform obtains media data alternately.Media player is play pipeline according to the media data information member that plug-in unit provides, and forms effectively to play stream, carries out media play.In the media play,, adopt the player Autonomous Control to play (, might be exactly that the page is by the JavaScript controls playing) for the B platform according to the page JavaScript setting of A platform.In playing process, network media data source is caught broadcast event according to A platform medium interaction protocol and is fed back to player, and player sends to browser respectively according to event type or oneself is handled.When running into the broadcast End Event, player quits work, and browser is taken over user's operation of back, so circulation.The user operates standby, is caught (supposing the not registration of A platform standby event browser) by set-top box, the dormancy function of set-top box invokes authentication plug-in unit, and the authentication plug-in unit sends standby message and clears up authentication information according to the A platform specifies, and set-top box enters dormancy.
Exposed interface for three plug-in units, the authentication plug-in unit exposes the getEPGURL function, and will authenticate relevant incident and feed back to the set-top box software system by key assignments table setting callback interface function, message notifying callback interface function and system hibernates or shutdown interface function.That is, set-top box need be called the getEPGURL function when start when integrated, and the setting key value table is set the callback interface function, message notifying callback interface function, and before the set-top box dormancy, call the dormancy interface function, before shutdown, call the shutdown interface function.The JavaScript expansion plugin exists with the EXPANDING DISPLAY AREA form of browser JavaScript engine, form for the JavaScript engine EXPANDING DISPLAY AREA of different browsers can be different, and the set-top box of integrated plugin is required to realize that basic API capability set is to finish the mapping of JavaScript EXPANDING DISPLAY AREA to the set-top box ability.Network media visit plug-in unit exists with the form of the internal data source block of media player, for different media players, the form of internal data source block can be different, the implementation of reference is the mode that shell separates with core, has the quick transplanting of realization, high efficiency and multi-protocols and shares benefits such as basic function module.
The cut-in method of many IPTV of support business platform provided by the invention and IPTV terminal equipment based on the technology general character of IPTV business platform, have proposed general IPTV terminal interface software implementation method, realize the access of multiple service platform.
Description of the invention provides for example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present invention and practical application, thereby and makes those of ordinary skill in the art can understand the various embodiment that have various modifications that the present invention's design is suitable for special-purpose.
Claims (20)
1. a cut-in method of supporting many IPTV business platform is characterized in that, comprising:
According to the business platform type that will insert load realize in advance with described business platform corresponding service system access authentication interface;
Load the JavaScript EXPANDING DISPLAY AREA corresponding that realizes in advance with described business platform according to described business platform type;
The access authentication of finishing described business platform by the described operation system access authentication interface that loads and JavaScript EXPANDING DISPLAY AREA.
2. cut-in method according to claim 1 is characterized in that, also comprises step after finishing the access authentication of described business platform:
The network protocol message that provides according to described business platform type and media player loads the data source plug-in of the needed network media visit of the described business platform of realizing in advance plug-in unit as media player;
The described network media visit plug-in unit that loads is visited described business platform according to the control command of media player and is obtained media data, and media data is carried out passing to follow-up play device assembly to realize media play after the business platform distribution of media agreement relevant treatment.
3. cut-in method according to claim 2, it is characterized in that described business platform distribution of media agreement relevant treatment comprises in handling one or more of the issuing of buffer memory control, media data, the deciphering of media data, the feedback of Media Stream message, the network error of reception, the media data of access control, the media data of the business platform network media.
4. cut-in method according to claim 2 is characterized in that, described network media visit plug-in unit is followed media player intraware standard.
5. according to claim 2,3 or 4 described cut-in methods, it is characterized in that, after the terminal equipment application initializes, before the main business parts of load application, load described operation system access authentication interface; Behind initialization JavaScript engine, load described JavaScript EXPANDING DISPLAY AREA; After the media player that terminal equipment is used starts, the trigger network medium load described network media visit plug-in unit when calling.
6. cut-in method according to claim 5 is characterized in that, comprises step before loading described operation system access authentication interface:
From system configuration or configuration server obtain the described business platform type that will insert.
7. cut-in method according to claim 6 is characterized in that, also comprises step:
Configuration interface by terminal equipment is revised the described Platform Type that will insert.
8. according to any described cut-in method in the claim 1 to 3, it is characterized in that described operation system access authentication interface comprises that electronic program guides obtains interface, comprises step after finishing the access authentication of described business platform:
Obtain the electronic program guides that interface obtains described business platform by described electronic program guides.
9. cut-in method according to claim 8 is characterized in that, described operation system access authentication interface also comprises key assignments table setting callback interface, comprises step after finishing the access authentication of described business platform:
Set the key assignments table mapping that callback interface is provided with described IPTV terminal equipment by described key assignments table.
10. cut-in method according to claim 9 is characterized in that, described operation system access authentication interface also comprises message notifying callback interface, system hibernates interface or shutdown interface.
11. according to any described cut-in method in the claim 1 to 3, it is characterized in that described JavaScript EXPANDING DISPLAY AREA is come the controls playing device, controls graphics system, finishes the read-write of information or obtained business authentication information by described operation system access authentication interface by the bottom expanded application function of terminal equipment.
12. an IPTV terminal equipment comprises basic function part, browser and media player, browser comprises the JavaScript engine, it is characterized in that:
Described basic function partly comprises the access authentication module, be used to obtain the business platform type that will insert, load access authentication interface, finish access authentication with the described business platform that will insert by described operation system access authentication interface with described business platform corresponding service system;
Described browser comprises JavaScript EXPANDING DISPLAY AREA module, be used for obtaining and described business platform type and list object from described access authentication module, finish the loading of JavaScript EXPANDING DISPLAY AREA according to described list object, carry out of control or the operation of described business platform described terminal equipment by the JavaScript EXPANDING DISPLAY AREA that loads.
13. IPTV terminal equipment according to claim 12, it is characterized in that, described media player comprises network media access modules, be used for according to the business platform type that obtains from described access authentication module with from the network protocol message load networks media interviews plug-in unit of described media player data source plug-in as media player, from described business platform receiving media data, described media data is passed to follow-up play device assembly to realize media play by described network media visit plug-in unit.
14., it is characterized in that described access authentication module obtains the described business platform type that will insert from the system configuration of basic function part or from configuration server according to claim 12 or 13 described IPTV terminal equipments.
15. according to claim 12 or 13 described IPTV terminal equipments, it is characterized in that described access authentication module also is used for by the operation system access authentication interface electron gain program guide that loads, key assignments mapping, start-up system dormancy is set or carries out power-off operation.
16. IPTV terminal equipment according to claim 15 is characterized in that, described access authentication module also links to each other with the message system of basic function part, is used for the monitoring traffic system message.
17. according to claim 12 or 13 described IPTV terminal equipments, it is characterized in that described JavaScript EXPANDING DISPLAY AREA comprises the controls playing device, controls graphics system, finishes the read-write of information or obtains business authentication information by described operation system access authentication interface the control or the operation of described terminal equipment.
18. IPTV terminal equipment according to claim 17 is characterized in that, described JavaScript EXPANDING DISPLAY AREA is finished control or operation to described terminal equipment by the bottom expanded application function of terminal equipment.
19. IPTV terminal equipment according to claim 13 is characterized in that, described network media visit plug-in unit is followed media player intraware standard.
20., it is characterized in that described network media visit plug-in unit comprises network media access modules core according to claim 13 or 19 described IPTV terminal equipments, be used to handle processing, error correction and the buffer memory control of network media agreement, media data.
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