CN101238720A - Apparatus for providing multiple screens and method of dynamically configuring multiple screens - Google Patents
Apparatus for providing multiple screens and method of dynamically configuring multiple screens Download PDFInfo
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Abstract
The invention provides an apparatus for providing multiple screens and a method of dynamically configuring the multiple screens. The apparatus for providing multiple screens includes: a digital signal processing module for receiving pre-set information and recovery service based on said pre-set information; a service processing module for display one or more logical screen related to said service; an output module for arranging the logical screen provided by the service processing module on various position of the display screen.
Description
Technical field
Apparatus and method according to the invention relates to configuring multiple screens (multi screen), more particularly, relates to and dynamically dispose the multi-screen that is used to provide a plurality of contents on the single physical display unit.
Background technology
The radio receiver of prior art (for example, Digital Television (TV) or top box of digital machine) is only providing a content element or showing main screen and secondary screen simultaneously on the single physical display unit on the single physical display unit.
Even the radio receiver of prior art can show main screen and secondary screen simultaneously on same display screen, the radio receiver of these prior aries also only can be arranged main screen and secondary screen in the mode of limited quantity.In main screen under the situation of displaying contents, all elements of displaying contents (that is, video data, voice data and other data).On the other hand, in secondary screen under the situation of displaying contents, some element of displaying contents only.
Content source comprises broadcast service (for example, satellite broadcasting, terrestrial broadcasting or wired broadcasting), storage medium (for example, digital universal disc (DVD)) or is connected to the external device (ED) of input.Yet, be difficult to use existing radio receiver on display screen, to show the content that above-mentioned plurality of kinds of contents source provides.
In mutual TV application environment (for example, MHP (MHP), senior common application platform (ACAP) and open cable application platform (OCAP)), suppose only screen of output on physical display.
Under mutual TV application environment, for example adopt user interface (UI) based on home audio/video interactive operation technology (HAVi).According to HAVi UI standard,, on physical display, still only show a screen usually on physical display even the quantity of the screen that shows is not applied restriction.
Under such environment, when on screen independently, showing content of multimedia, be difficult to carry out such as operations such as decoding, Digital Signal Processing, user interaction process at being presented at one of content of multimedia on the screen.In addition, also being difficult to the screen is the life cycle of the dynamic controlling application program of unit and the use of resource.
Therefore, need a kind of method that on the screen of dynamic-configuration, shows plurality of kinds of contents.
Summary of the invention
The invention provides a kind of dynamic-configuration that the multi-screen of plurality of kinds of contents is provided on physical display.
According to an aspect of the present invention, provide a kind of equipment that is used to provide multi-screen, this equipment comprises: digital signal processing module, and receiver, video information, audio-frequency information or data message, and based on described video information, audio-frequency information or data message recovery service; Service processing module generates a plurality of logical screens of the service be used to show recovery; Output module will be mapped to the diverse location on the display screen by a plurality of logical screens that service processing module provides.
According to a further aspect in the invention, a kind of equipment that is used to provide multi-screen is provided, and this equipment comprises: service processing module, formation logic screen and display screen, described logical screen shows service, and described display screen allows logical screen to be associated with service and the display logic screen; Output module is mapped to the logical screen that generates the specific region on the display screen of generation.
According to a further aspect in the invention, provide a kind of equipment that is used to provide multi-screen, this equipment comprises: digital signal processing module, and receiver, video information, audio-frequency information or data message, and recover service; Service processing module generates the logical screen of the service be used to show recovery; Output module will be mapped to the arbitrary region on the display screen by the logical screen that service processing module provides.
According to another aspect of the invention, a kind of method of dynamic-configuration multi-screen is provided, this method comprises: receiver, video information, audio-frequency information or data message also recover service, generation is used to show a plurality of logical screens of the service of recovery, and logical screen is mapped to diverse location on the display screen.
According to a further aspect in the invention, a kind of method of dynamic-configuration multi-screen is provided, this method comprises: generate to show a plurality of logical screens of service and show the display screen of described a plurality of logical screens, and logical screen is mapped to arbitrary region on the display screen.
According to a further aspect in the invention, provide a kind of method of dynamic-configuration multi-screen, this method comprises: receiver, video information, audio-frequency information or data message, recover service based on described information, and generate the logical screen of the service that is used to show recovery.
According to a further aspect in the invention, a kind of method of dynamic-configuration multi-screen is provided, this method comprises: receiver, video information, audio-frequency information or data message, recover service based on described information, generation is used to show the logical screen of the service of recovery, and according to user's control logical screen is mapped to display screen.
According to a further aspect in the invention, a kind of method of dynamic-configuration multi-screen is provided, this method comprises: receiver, video information, audio-frequency information or data message, and based on described information recovery service, generation is used to show the logical screen of the service of recovery, if the service that recovers is non-abstract service, then logical screen is mapped to display screen, if the service that recovers is an abstract service, then the service that will recover is presented on the display screen.
According to a further aspect in the invention, provide a kind of method of dynamic-configuration multi-screen, this method comprises: generate screen object; Confirm the attribute information of screen object; If attribute information is the attribute information relevant with logical screen, then allow screen object to operate as logical screen, perhaps,, then allow screen object to operate as display screen if attribute information is the attribute information relevant with display screen.
Description of drawings
By the detailed description of exemplary embodiment of the present invention being carried out below in conjunction with accompanying drawing, above-mentioned and others of the present invention will become apparent, wherein:
Figure 1A to Fig. 1 H illustrates the diagrammatic sketch of the configuration of PiP screen according to an exemplary embodiment of the present invention;
Fig. 2 illustrates the diagrammatic sketch of the relation between the logical screen and display screen according to an exemplary embodiment of the present invention;
Fig. 3 A to Fig. 3 E is the diagrammatic sketch that the configuration of the screen that comprises mapper according to an exemplary embodiment of the present invention is shown;
Fig. 4 illustrates the block diagram of serving the source according to an exemplary embodiment of the present invention;
Fig. 5 A and Fig. 5 B are the diagrammatic sketch that non-according to an exemplary embodiment of the present invention abstract service and abstract service are shown;
Fig. 6 illustrates the interface of logical screen and display screen and the diagrammatic sketch of attribute information;
Fig. 7 illustrates the diagrammatic sketch of the attribute of logical screen " z-order " according to an exemplary embodiment of the present invention;
Fig. 8 A and Fig. 8 B are that each all illustrates the diagrammatic sketch of the attribute of logical screen " Display_Area " according to an exemplary embodiment of the present invention;
Fig. 9 illustrates according to an exemplary embodiment of the present invention with the diagrammatic sketch of two map of services to the method for display screen;
Figure 10 is the block diagram that the structure of the equipment that is used to provide multi-screen according to an exemplary embodiment of the present invention is shown;
Figure 11 illustrates the flow chart of the method for dynamic-configuration multi-screen according to an exemplary embodiment of the present invention;
Figure 12 is the diagrammatic sketch that the software architecture that is used to provide multi-screen according to an exemplary embodiment of the present invention is shown;
Figure 13 is the diagrammatic sketch that the relation between the module that constitutes application programming interfaces (API) layer according to an exemplary embodiment of the present invention is shown;
Figure 14 illustrates the flow chart that shows a plurality of service method according to an exemplary embodiment of the present invention on display screen, and described a plurality of services are presented on each corresponding logical screen by module shown in Figure 13;
Figure 15 illustrates to exchange the flow chart that is presented at the service method on the logical screen according to an exemplary embodiment of the present invention between the described module of Figure 13.
Embodiment
By the detailed description of enforcement of reference following illustrative and accompanying drawing, advantage of the present invention and characteristics and its implementation can be understood by easier quilt.Yet, can implement the present invention with many different forms, and should not be construed as limited to exemplary embodiment set forth herein.On the contrary, thereby provide these embodiment disclosure will be thoroughly and complete, and will fully scope of the present invention be conveyed to those skilled in the art.Run through specification, identical label is represented identical parts.
Below, with reference to flow chart description the present invention of user interface, method and computer program product according to an exemplary embodiment of the present invention.Should be appreciated that the combination of square frame can realize by computer program instructions in each square frame in the flow chart and the flow chart.These computer program instructions can be provided for the processor of all-purpose computer, special-purpose computer or other programmable data processing device, thereby handle the device that the instruction establishment of the processor operation of establishing realizes function specified in a flowchart block or a plurality of flowchart block to produce the feasible machine as calculated of machine or other programmable data.
These computer program instructions also can be stored in can instruct computer or other programmable data processing device with the computer of ad hoc fashion work can with or computer-readable memory in, thereby be stored in computer can with or computer-readable memory in instruction production comprise the product of execution command device of the function of appointment in a flowchart block or a plurality of flowchart block.
Computer program instructions also can be loaded into computer or other programmable data processing device so that the sequence of operations step is performed producing the process that computer is carried out in computer or other programmable data processing device, thereby the instruction of carrying out in computer or other programmable data processing device is provided for being implemented in the step of the function of appointment in a flowchart block or a plurality of flowchart block.
Each square frame of flow chart can be represented module, section or partial code, and it comprises the executable instruction of one or more realization specific logical function.It shall yet further be noted that in some selectable execution modes, the function of mentioning can be not according to occurring in sequence in square frame.For example, in fact can carry out two square frames that illustrate continuously substantially simultaneously or can carry out square frame by opposite order sometimes, this depends on the function that relates to.
In order to understand the present invention better, will be defined in the term that uses in the disclosure now.
One group of content of multimedia that term " service " expression shows together, that is, and one group of service component (servicecomponent).
The service component is the key element of service, comprises video component, audio frequency component and data component.Data component is the application program in the service.
The various resources, device and the execution state information that provide service required are provided the object of the execution of term " service context " indication may command service.
The output port of the physical unit of the content of term " physical display " indication actual displayed service, the content of output service or the storage medium of stores service.
The screen of term " display screen " indication actual displayed on physical display.Any service can directly be set in display screen, and can on physical display, show display screen.Few logical screen that selectively, can on physical display, show the specific region that is mapped to display screen.
Term " logical screen " indicated number is the space of service arbitrarily.Logical screen is the virtual screen before being mapped to display screen, therefore is not presented on the physical display.
Logical screen and display screen can be the combinations of stationary background image, video raster and figure grating.The figure grating can be the combination of literal, line, color and image or the mixing of frame of video.
Term " main service " indication user selects service as main service by being presented at menu on the physical display or remote controller or application program by API, shows that the screen of main service is called as " main screen ".
Term " picture in picture service " (PiP service) indication user selects service as sub-services by being presented at menu on the physical display or remote controller or application program by API, and the PiP service can be presented on picture-in-picture (PiP screen) or the main screen.
The PiP screen comprises the screen of the part that occupies another screen shown in Figure 1A to Fig. 1 D, and shown in Fig. 1 E to 1F not with the situation of another screen overlay under with as described in the screen that shows simultaneously of another screen.In this case, be appreciated that the PiP screen can comprise shown in Fig. 1 G and Fig. 1 H on the optional position of physical display or zone with the screen of another screen overlay.
Fig. 2 illustrates the diagrammatic sketch of the relation between the logical screen and display screen according to an exemplary embodiment of the present invention.
With reference to Fig. 2, can utilize logical screen 210,212 and 214 to show service.Logical screen 210,212 and 214 is mapped to display screen 220,222 and 224 by mapping block 230.
Say that at length logical screen 210 and 212 is mapped to display screen 220, logical screen 212 and 214 is mapped to display screen 222, and logical screen 210,212 and 214 is mapped to display screen 224.
In brief, show that at least one logical screen of service is mapped to the arbitrary region of display screen.
Mapping block 230 is that logical screen is mapped to one group of required many information of display screen.The example of described many information comprise the presumptive area on each display screen that is mapped in a plurality of logical screens coordinate information, logical screen and display screen identification information and specify logical screen to be displayed on the information of the order on the display screen.
Mapping block 230 can change the size of logical screen so that it is assigned in the arbitrary region of display screen.That is, but the distribution of the position of the convergent-divergent of mapping block 230 actuating logic screens and logical screen, and Fig. 3 A to Fig. 3 E illustrates the diagrammatic sketch that comprises as the configuration of the screen of the mapper of mapping block.
With reference to Fig. 3 A, comprise that the mapped device of main screen of the combination of stationary background image B, video raster V and figure grating G is mapped to the entire display screen curtain according to normal size.The mapped device of PiP screen that only comprises the video component is mapped to the entire display screen curtain according to the size that reduces.In this case, the PiP screen of mapping is displayed on the main screen, and this determines based on the Z value.Reference character Z refers in the z order value of describing subsequently.Can be with cover screen (overlay screen) and display screen combination.Described cover screen is to be placed in outermost specific screens, can use when caption function is provided.The PiP screen can only have the video component as shown in Figure 3A, perhaps can have the combination of stationary background image B, video raster V and figure grating G shown in Fig. 3 B.
With reference to Fig. 3 C, comprise that the mapped device of main screen of the combination of stationary background image B, video raster V and figure grating G is mapped to the entire display screen curtain according to normal size.Only have two PiP screen # 1 of video component and the mapped device of #2 is mapped to display screen according to the size that reduces arbitrary region.In this case, the PiP screen of mapping is disposed on the main screen, and the Z value can remain unchanged.In addition, can be with cover screen and display screen combination.The configuration of screen can have a plurality of PiP screens that only comprise the video component shown in Fig. 3 C, perhaps have a plurality of PiP screens of the combination that comprises stationary background image B, video raster V and figure grating G shown in Fig. 3 D.
Fig. 3 E shows picture out picture (POP) screen.Should be appreciated that traditional PiP screen display is within main screen, and the POP screen display is outside main screen.With reference to Fig. 3 E, comprise a plurality of PiP screen # 1 of combination of stationary background image B, video raster V and figure grating G and the mapped device of #2 is mapped to display screen according to the size that reduces arbitrary region.In this case, the Z value of the POP screen # 1 of mapping and #2 can remain unchanged.In addition, can be with cover screen and display screen combination.
Mapping block 230 can realize by the interface or the function prepared by various computer programming language that will move, and mapping block 230 can utilize above-mentioned information to create as parameter or changes relation between logical screen and the display screen.
In addition, mapping block 230 can be realized by the hardware with the mapping function between logical screen and the display screen.
In addition, the service that is provided by various services source can be displayed on the display screen, and display screen can be displayed on the physical display, as shown in Figure 4.
There are the service source (as terrestrial broadcasting 320 and wired broadcasting 330) that broadcast service is provided, the service source (as personal video recorder (PVR) 340) that the service that is stored in the storage medium is provided and provide the service source (not shown among Fig. 4) of service through cable network or wireless network.
The service that radio receiver 310 receives from described service source, and generate the logical screen that shows the every kind of service that receives.
Then, will serve arbitrarily by predefined method or by user or the method that use to be provided with and be set directly on the display screen that to be presented on the physical display.Perhaps, at least one logical screen that is mapped to the arbitrary region of display screen is presented on the physical display 350.In brief, the service that is provided by terrestrial broadcasting 320, wired broadcasting 330 and PVR is displayed on the physical display 350.
Shown in Fig. 5 A and Fig. 5 B, service can be divided into abstract service (abstract service) and non-abstract service (non-abstract service) according to an exemplary embodiment of the present invention.
Abstract service is not the service that broadcast singal provided by real-time Transmission, but is independent of the service of broadcast channel.Abstract service only comprises data component, i.e. application program, and do not comprise video component and audio frequency component.The example of abstract service comprises having the service of using based on the not binding of OCAP standard.
Non-abstract service is considered to the service except abstract service.
According to current exemplary embodiment of the present invention, abstract service and non-abstract service all have independence.For example, abstract service can not be set directly on the physical display by logical screen, and non-abstract service can be displayed on the logical screen.Then, described logical screen can be mapped to the display screen that is provided with abstract service.Afterwards, can pass through physical display output display screen curtain.Like this, abstract service can be independent of non-abstract service and is displayed on the display screen.In addition, abstract service can be mapped to different logical screens with non-abstract service.Afterwards, these logical screens can be mapped to single display screen.In other words, abstract service can be independent of non-abstract service and is displayed on the display screen.
According to current exemplary embodiment of the present invention, logical screen can be classified as different objects with display screen.Alternatively, according to the attribute information of a screen object, screen can be used as logical screen or display screen.
Say that at length screen object is that logical screen or display screen depend on " type " information in the screen object attribute information.
The attribute information of screen object comprises: " Type (type) ", " z-Order (z order) ", " Display-Area (viewing area) ", " Visibility (visuality) ", " Associated_Display_Screen (related display screen) ", " Associated_Service_Contexts (related service context) " and " OutputPort (output port) ".
The interface that Fig. 6 illustrates the attribute information of screen object and is used to handle the attribute of screen.
Attribute " Type " 510 is used for determining that screen type is logical screen or display screen.
Attribute " z-Order " 520 is used for determining along the z axle according to a plurality of logical screens of which kind of arranged in order.Fig. 7 illustrates the combination of the value of the attribute " z-Order " at logical screen, the configuration of the logical screen on the physical display.
With reference to Fig. 7, first logical screen 620 and second logical screen 630 are mapped to the presumptive area of display screen 610 respectively.Say that at length first logical screen 620 is displayed on the display screen 610, second logical screen 630 and first logical screen 620 are presented on the display screen with overlapping.In other words, display screen 610, first logical screen 620 and second logical screen 630 are arranged in turn along the z direction of principal axis.In this case, the attribute " z-Order " that the attribute of first logical screen 620 " z-Order " can the value of being set to 1, the second logical screen 630 can the value of being set to 2.The attribute " z-Order " of first logical screen 620 and second logical screen 630 can be set to any numeral or character, as long as these numerals or character can be represented to arrange the certain order of first logical screen 620 and second logical screen 630 along the z axle.
Attribute " Display-Area " the 530th is with the relevant information in display screen zone (shown in Fig. 8 A and Fig. 8 B) of logical screen.
Fig. 8 A illustrates the whole zone that logical screen 710 is mapped to display screen 720, and Fig. 8 B illustrates the subregion that logical screen 730 is mapped to display screen 740.
Attribute " Display-Area " can comprise specifies the information of logical screen with the two-dimensional coordinate of the predetermined portions of the display screen that is mapped to, perhaps can comprise how many information of specifying the precalculated position on the display screen and indication logical screens be offset with respect to the described precalculated position on the display screen deviant.
Attribute " Visibility " 540 determines that logical screen will visually still will be presented on the display screen not visiblely.Can logical screen be appeared on the display screen or from display screen by the value that changes attribute " Visibility " 540 disappears.
Attribute " Associated_Display_Screen " the 550th is about the information of the display screen that is associated with logical screen.The logical screen that is associated with any display screen can not be displayed on the physical display, is not transferred to outside output device yet.
Attribute " Associated_Service_Contexts " the 560th, the information relevant with the service context that is connected to logical screen or display screen.The service that is arranged in such service context can be displayed on logical screen or the display screen.
Attribute " OutputPort " the 570th will pass through the relevant information of device of its output with display screen, and such device comprises indicator screen, wire/wireless communication medium and various medium.
Can provide shown in Figure 6 being used to discern or change the interface of the value of attribute.With reference to Fig. 6, described interface can comprise: interface " SET " is used to set property or logical screen is connected to display screen; Interface " ADD " is used to add property value or logical screen is connected to service; Interface " GET " is used for the recognition property value; Interface " REMOVE " is used for the delete property value.These interfaces can comprise process, function, program or the method for the function of carrying out them respectively.
For example, method " getDisplayScreen (void) " is returned the display screen that is associated with current screen.Say that at length if current screen is a logical screen, then method " getDisplayScreen (void) " is returned related display screen.If current screen is a display screen, then method " getDisplayScreen (void) " is returned the reference information relevant with current screen.In addition, if current screen is a logical screen, but do not have related screen, then method " getDisplayScreen (void) " is returned " NULL " value.
According to another example, method " public void setDisplayArea (HScreenRectangle rect) throws SecurityException, IllegalStateException " is provided for current logical screen is mapped to the function of the presumptive area of related display screen.The example that is provided as parameter is the class " HScreenRectangle, and have two-dimensional position information of bag " org.havi.ui ".The abnormal operation that method " SecurityException " and " IllegalStateException " can be used as method " setDisplayScreen (HScreen screen) " is performed.Can be when current screen be logical screen, perhaps in the part of the display screen that is associated with current logical screen because the characteristic of host platform and can not change the time, using method " IllegalStateException ".
According to another example, method " getOutputArea (void) " is returned the area information of current screen as HScreenRectangle information.If current screen is corresponding to display screen, then method " getOutputArea (void) " is returned its value and the identical HScreenRectangle information of HScreenRectangle (0,0,1,1).If current screen is a logical screen, then method " getOutputArea (void) " return with display screen on the relevant information in zone that occupied by current screen.If current screen is a logical screen, but this screen is not associated with any display screen, and then method " getOutputArea (void) " is returned " NULL " value.
All the time use particular term to refer to special interface in the following description.Yet, it should be appreciated by those skilled in the art that specific function is simply named just in order to indicate the functional of it.Detailed description to exemplary embodiment is not in order to distinguish between the function of title difference (and not function difference).
Fig. 9 illustrates the diagrammatic sketch that two services are set at the process on two logical screens that are mapped to a display screen.
With reference to Fig. 9, first service comprises all three service components, i.e. video, audio frequency and data component, and second service only comprises video and audio frequency component.Yet the present invention does not apply any restriction to the service groups branch, and the service of first shown in Fig. 9 and second service only are schematic.
As shown in Figure 9, first service and second serve according to prior art in essentially identical mode be displayed on the physical display.According to current exemplary embodiment of the present invention, can on physical display, show a plurality of services independently of one another, and the quantity of the service that can show on the display screen not applied any restriction.
Figure 10 is the block diagram that the equipment of multi-screen is provided according to an exemplary embodiment of the present invention.
With reference to Figure 10, provide the equipment 900 of multi-screen to comprise digital signal processing module 940, service processing module 950, output module 960 and user/AIM 965.
In addition, there are broadcast singal receiver module 910, storage medium 920 and outside input module 930, and have indicator screen 970, storage medium 980 and outside output module 990 as the service output medium as the service source.
Here the software and/or the nextport hardware component NextPort of particular task carried out in employed term " module " expression (but being not limited to), as field programmable gate array (FPGA) or application-specific integrated circuit (ASIC) (ASIC).Module can be configured to reside on the addressable storage medium easily, and is constructed to move on one or more processors.Therefore, module can comprise assembly, process, function, attribute, process, subprocess, program code segments, driver, firmware, microcode, circuit, data, database, data structure, table, array and the variable of (for example) such as component software, OO component software, class component and task component.The function that provides in assembly and the module can be combined into assembly and module still less, perhaps is further divided into other assembly and module.
The various information that digital signal processing module 940 receives such as the service of content of multimedia from broadcast singal receiver module 910, storage medium 920 or outside input module 930, for example video information, audio-frequency information or data message.
Broadcast singal receiver module 910 receiving satellite broadcast signals, ground broadcast signal or cable broadcasting signal, and the broadcast singal of transmission reception, video information, audio-frequency information or the data message of storage medium 920 stores service, outside input module 930 receive video information, audio-frequency information or the data message of service from external device (ED) (as being connected to the network of network interface module).
Digital signal processing module 940 utilizes the service component that receives to recover a plurality of services.The service that recovers comprises abstract service or non-abstract service.
Here, two or more services that phrase " a plurality of service " expression is sent by broadcast singal receiver module 910, perhaps two or more services that send respectively by broadcast singal receiver module 910 and storage medium 920.
Digital signal processing module 940 can or be used the selection of being undertaken by user/AIM 965 service of recovering according to the user.In this case, user or use can select being connected between service arbitrarily and the screen.
Can not serviced processing module 950 handle by the service that digital signal processing module 940 recovers.On the contrary, the service that is recovered by digital signal processing module 940 can be mapped directly into the specific part of the display screen that is generated by output module 960.
The display screen that is provided by output module 960 can be displayed on the physical display 970, perhaps can be stored in the storage medium 980.The example of storage medium 980 comprises computer-readable floppy disk, hard disk, CD-ROM, DVD, DVD-ROM, BD (Blu-ray disc) and semiconductor memory.
In addition, the display screen that is provided by output module 960 can be sent to the external device (ED) that is connected to network through outside output module 990.
For this reason, output module 960 can comprise a plurality of output ports, can provide display screen through described a plurality of output ports.In this case, can provide display screen by the output port through setting in advance, perhaps can provide display screen by user/AIM 965 selected output ports through the user to acquiescence.
The service that user or application can utilize user/AIM 965 to select one of a plurality of services or recover to expect.In addition, the user can utilize user/AIM 965 to select one of a plurality of display screens.
Because the module shown in Figure 10 is divided according to their function, so it can be connected to other module.
Figure 11 illustrates the flow chart of the method for dynamic-configuration multi-screen according to an exemplary embodiment of the present invention.
Usually, transmit video information, audio-frequency information and the data message that constitutes content of multimedia according to predetermined form (for example, mpeg stream form).At operation S1010, because equipment receiver, video information, audio-frequency information and the data message of service (such as the content of multimedia service) are provided, and based on the service of recovering of described video information, audio-frequency information and data message.Here, can or pre-determine the service that in operation S1010, recovers by user or application choice.The user can utilize the menu that shows on the display unit or remote controller to select being connected between any screen and the screen.Application can utilize API to select described connection.
In addition, data message comprises the relevant application message of application program with service, and these application messages comprise the signal message whether the indication application program can be carried out on the PiP screen.The example of application message comprises based on the application information table of MHP standard (AIT) with based on the expanded application information table (XAIT) of OCAP standard.Signal message can be added to described application.
Afterwards, at operation S1020, the service of recovery is provided so that and can be displayed on the logical screen.At operation S1030, logical screen is mapped to display screen.At operation S1040, utilize indicator screen, storage medium or network that display screen is offered the user.
The service that recovers has been shown among Figure 11 to be displayed on the physical display through logical screen.Yet the service of recovery can directly be presented on the physical display, and needn't pass through logical screen.
When the user selects the PiP service, realize the PiP service with two patterns.Under first pattern, the video component of the PiP service of selection only is provided on main screen, and is not the independent logical screen of PiP service-creation, that is, and the PiP screen.Under second pattern, the independent logical screen that is used for the PiP service is created, so that the PiP service of selection to be provided on the PiP screen of creating.
Figure 11 shows for the sake of simplicity only with the method for a map of services to display screen.But, can pass through a plurality of logical screens, perhaps can not pass through logical screen, a plurality of map of services are arrived display screen.
When by this way display screen being offered the user, the user can carry out a plurality of services.
Figure 12 is the diagrammatic sketch that the software architecture that is used to provide multi-screen according to an exemplary embodiment of the present invention is shown.
With reference to Figure 12, software architecture 1100 comprises device driver layer 1110, api layer 1120 and application layer 1130.
Device driver layer 1110 receives the service component from various content of multimedia source, and the service component that receives is decoded.The example of the service component that receives comprises video information, audio-frequency information and data message.
Api layer 1120 produces logical screen and display screen, and with service, logical screen and display screen mutual mapping.
User interface is provided application layer 1130 so that user's configuration logic screen dynamically, and described logical screen shows service or sends user commands so that api layer 1120 can be carried out this user command to api layer 1120.
The user makes device driver layer 1110 display screen is provided or display screen is stored in the storage medium through physical display by application layer 1130.In addition, the user can make device driver layer 1110 display screen be sent to external device (ED) through network.
For this reason, device driver layer 1110 can comprise a plurality of output ports that display screen can be provided.Perhaps, api layer 1120 can comprise described a plurality of output port.
In order on display screen, dynamically to dispose a plurality of logical screens, api layer 1120 can comprise a plurality of software modules, for example multi-screen administration module " MultiscreenManager " 1210, multi-screen context module " MultiscreenContext " 1230, multi-screen context oracle listener module " MultiscreenContextListener " 1250 and multi-screen context events module " MultiscreenContextEvent " 1240, as shown in figure 13.
When the attribute information of screen object 1220 is changed by multi-screen context module 1230, multi-screen context events module 1240 is as the reformed event class of attribute information of announcement screen object 1220, multi-screen context oracle listener module 1250 is as the oracle listener interface object, and this oracle listener interface object can realize in attempting the predetermined application class of reception by the incident of multi-screen context events module 1240 promptings.
Using 1260 is in application layer 1130 driven modules.A plurality of logical screens are also freely arranged in 1260 services that allow the user to select to expect of using on display screen.
Say that at length use 1260 and send to multi-screen administration module 1210 and to allow users dynamically to dispose order with the management logic screen, multi-screen administration module 1210 is controlled the operation corresponding with various command by multi-screen context module 1230 and is performed.
Figure 14 illustrates the flow chart that shows a plurality of service method according to an exemplary embodiment of the present invention on display screen, and described a plurality of services are presented on each corresponding logical screen by module shown in Figure 13.
With reference to Figure 14, at operation S1310, multi-screen administration module 1210 generate display screens and with the corresponding a plurality of logical screens of the quantity of the service that will be shown.
In operation 1320, multi-screen administration module 1210 is connected to logical screen each the corresponding service that receives from device driver layer 1110.Multi-screen administration module 1210 can be set to be used for the parameter of logical screen service by the service context object of the service that receives, comes at each logical screen call method " addServiceContext ".Method " addServiceContext " is connected to service with logical screen, and can be provided by multi-screen context module 1230.
At operation S1330, when logical screen is connected to each when service, multi-screen administration module 1210 is connected to display screen with logical screen.At this moment, multi-screen administration module 1210 can be set to parameter by the display screen object that logical screen was connected to and call " setDiplayScreen " method at each logical screen.Method " setDiplayScreen " is connected to display screen with logical screen, and can be provided by multi-screen context module 1230.
Method " setDisplayScreensetDisplayScreen " can be set to " public voidsetDisplayScreensetDisplayScreen (HScreen Screen) throws SecurityException; IllegalStateException ", and the example " HScreen " that this method allows to be provided as parameter is associated with current logical screen.In this case, example " HScreen " display screen preferably.
The parameter of method " setDisplayScreen (HScreen screen) " can comprise " NULL " value.In this case, when being performed under method " setDisplayScreen (HScreen screen) " is not having the situation of abnormality processing, current logical screen no longer is associated with display screen.
Can carry out the abnormal operation of the execution of method " SecurityException " and " IllegalStateException " as method " setOutputScreen (HScreen screen) ".
Can be when current screen be logical screen, perhaps in the part of the display screen that is associated with current logical screen because the characteristic of host platform and can not change the time, manner of execution " IllegalStateException ".
At operation S1340, determine that logical screen is with the zone on the display screen that is mapped to respectively.At this moment, can call the preordering method that is provided by multi-screen context module 1230 determines to show the zone on the display screen of display logic screen.
Figure 15 illustrates to exchange the flow chart that is presented at the service method on the logical screen according to an exemplary embodiment of the present invention between the described module of Figure 13.
In operation S1410, the service that the 1210 interim terminations of multi-screen administration module will exchange between two logical screens.
Afterwards, at operation S1420, the exchange information relevant between these two logical screens with service.At this moment, come call method " removeServiceContext " and method " addServiceContext ", thereby exchange is arranged on service context in these two logical screens between these two logical screens in these two logical screens each.Method " removeServiceContext " removes the service context that is connected to logical screen, and method " addServiceContext " is added new service context to logical screen.Can provide method " removeServiceContext " and " addServiceContext " by multi-screen context module 1230.According to current exemplary embodiment of the present invention, the exchange information on services relevant between logical screen, thereby the effect of acquisition exchange main screen and secondary screen with the service that is connected to logical screen.In addition, according to current exemplary embodiment of the present invention, even when on display screen, carrying out three or more services, also can between the logical screen of any amount, exchange these services.
At operation S1430, generate the incident that has changed that is connected between service and these two logical screens.Afterwards, at operation S1440, multi-screen context events module 1240 sends to multi-screen context oracle listener module 1250 with this incident, and carries out the service that newly is connected to these two logical screens.
Utilizability on the industry
According to the present invention, can utilize a plurality of services that the single physical display screen is carried out in every way to be provided by each provenance (as, wired broadcasting, terrestrial broadcasting, various medium and outside input).
Although illustrate and described the present invention particularly with reference to exemplary embodiment of the present invention, but it should be understood by one skilled in the art that, under the situation that does not break away from the spirit and scope of the present invention that are defined by the claims, can carry out the change on various formation and the details.Therefore, should be appreciated that it only is for descriptive purpose that above-mentioned exemplary embodiment is provided, and should not be understood that the restriction to scope of the present invention.
Claims (47)
1, a kind of equipment that is used to provide multi-screen, this equipment comprises:
Digital signal processing module, receiver, video information, audio-frequency information or data message, and based on described video information, audio-frequency information or data message recovery service;
Service processing module generates a plurality of logical screens that are used to show the service that is recovered by digital signal processing module;
Output module will be mapped to the diverse location on the display screen by the logical screen that service processing module generates.
2, equipment as claimed in claim 1, wherein, described video information, audio-frequency information or data message are provided by broadcast singal, storage medium or network.
3, equipment as claimed in claim 2, wherein, data message comprises the application message relevant with the application program that is used to serve, described application message comprises the information that can the indication application program be carried out on the picture-in-picture screen.
4, equipment as claimed in claim 1, wherein, each of described logical screen comprises: with the relevant information and the scalability information in zone of arranging logical screen in display screen.
5, equipment as claimed in claim 1, wherein, each of described logical screen comprises: the display screen identification information.
6, equipment as claimed in claim 1, wherein, each of described logical screen comprises: about the information of the service context that is associated with logical screen, and the service that is presented on each of described logical screen is set in the service context.
7, equipment as claimed in claim 1, wherein, display screen comprises the logical screen identification information.
8, equipment as claimed in claim 1 also comprises: the physical display of output display screen curtain.
9, equipment as claimed in claim 1 also comprises: the storage medium of storage display screen.
10, equipment as claimed in claim 1 also comprises: the outside output module that display screen is sent to external device (ED).
11, a kind of equipment that is used to provide multi-screen, this equipment comprises:
Service processing module, formation logic screen and display screen, described logical screen shows service, described display screen allows logical screen to be associated with service and the display logic screen;
Output module is mapped to specific region on the display screen with logical screen.
12, equipment as claimed in claim 11, wherein, described service comprises in video information, audio-frequency information or the data message.
13, equipment as claimed in claim 12, wherein, at least a in described video information, audio-frequency information or the data message provided by broadcast singal, storage medium or network.
14, equipment as claimed in claim 12, wherein, described data message comprises the application message relevant with the application program that is used to serve, described application message comprises the information that can the indication application program be carried out on the picture-in-picture screen.
15, equipment as claimed in claim 11, wherein, described logical screen comprises and the relevant information and the scalability information in zone of arranging logical screen in display screen.
16, equipment as claimed in claim 11, wherein, described logical screen comprises the display screen identification information.
17, equipment as claimed in claim 11, wherein, described logical screen comprises the information about the service context that is associated with logical screen.
18, equipment as claimed in claim 11, wherein, display screen comprises: the logical screen identification information.
19, equipment as claimed in claim 11 also comprises: the physical display of output display screen curtain.
20, equipment as claimed in claim 11 also comprises: the storage medium of storage display screen.
21, equipment as claimed in claim 11 also comprises: the outside output module that display screen is sent to external device (ED).
22, a kind of equipment that is used to provide multi-screen, this equipment comprises:
Digital signal processing module, receiver, video information, audio-frequency information or data message, and based on described video information, audio-frequency information or data message recovery service;
Service processing module generates a plurality of logical screens that are used to show the service that is recovered by digital signal processing module;
Output module will be mapped to the arbitrary region on the display screen by the logical screen that service processing module generates.
23, a kind of method of dynamic-configuration multi-screen, this method comprises:
Receiver, video information, audio-frequency information or data message;
Recover a plurality of services based on described video information, audio-frequency information or data message;
Generation is used to show a plurality of logical screens of the service of recovery;
Logical screen is mapped to diverse location on the display screen.
24, method as claimed in claim 23, wherein, described video information, audio-frequency information or data message are provided by broadcast singal, storage medium or network.
25, method as claimed in claim 23, wherein, data message comprises the application message relevant with the application program that is used to serve, described application message comprises the information that can the indication application program be carried out on the picture-in-picture screen.
26, method as claimed in claim 23, wherein, each of described logical screen comprises: with the relevant information and the scalability information in zone of arranging logical screen in display screen.
27, method as claimed in claim 23, wherein, each of described logical screen comprises: the display screen identification information.
28, method as claimed in claim 23, wherein, each of described logical screen comprises: about the information of the service context that is associated with logical screen.
29, method as claimed in claim 23, wherein, display screen comprises: the logical screen identification information.
30, method as claimed in claim 23 also comprises: the output display screen curtain.
31, method as claimed in claim 23 also comprises: the storage display screen.
32, method as claimed in claim 23 also comprises: display screen is sent to external device (ED).
33, a kind of method of dynamic-configuration multi-screen, this method comprises:
Generate display screen and a plurality of logical screen, described a plurality of logical screens show a plurality of services, described display screen display logic screen;
Logical screen is mapped to arbitrary region on the display screen.
34, method as claimed in claim 33, wherein, each of described a plurality of services comprises at least a in video information, audio-frequency information and the data message.
35, method as claimed in claim 34, wherein, described data message comprises the application message relevant with the application program that is used to serve, described application message comprises the information that can the indication application program be carried out on the picture-in-picture screen.
36, method as claimed in claim 33, wherein, each of described a plurality of services provided by broadcast singal, storage medium or network.
37, method as claimed in claim 33, wherein, each of described logical screen comprises: with the relevant information and the scalability information in zone of arranging logical screen in display screen.
38, method as claimed in claim 33, wherein, each of described a plurality of logical screens comprises: the display screen identification information.
39, method as claimed in claim 33, wherein, each of described a plurality of logical screens comprises: about the information of the service context that is associated with logical screen, the service that shows on the logical screen is set in the service context.
40, method as claimed in claim 33, wherein, display screen comprises: the logical screen identification information.
41, method as claimed in claim 33 also comprises: the output display screen curtain.
42, method as claimed in claim 33 also comprises: the storage display screen.
43, method as claimed in claim 33 also comprises: display screen is sent to external device (ED).
44, a kind of method of dynamic-configuration multi-screen, this method comprises:
Receiver, video information, audio-frequency information or data message;
Recover a plurality of services based on described video information, audio-frequency information or data message;
Generation is used to show a plurality of logical screens of the service of recovery.
45, a kind of method of dynamic-configuration multi-screen, this method comprises:
Receiver, video information, audio-frequency information or data message;
Recover a plurality of services based on described video information, audio-frequency information or data message;
Generation is used to show a plurality of logical screens of the service of recovery;
Control according to the user is mapped to display screen with logical screen.
46, a kind of method of dynamic-configuration multi-screen, this method comprises:
Receiver, video information, audio-frequency information or data message;
Recover a plurality of services based on described video information, audio-frequency information or data message;
Generation is used to show the logical screen of the service of recovery;
If the service that recovers is non-abstract service, then logical screen is mapped to display screen;
If the service that recovers is an abstract service, then the service that will recover is presented on the display screen.
47, a kind of method of dynamic-configuration multi-screen, this method comprises:
Generate screen object;
Confirm the attribute information of screen object;
If attribute information is the attribute information relevant with logical screen, then allow screen object to operate as logical screen, perhaps,, then allow screen object to operate as display screen if attribute information is the attribute information relevant with display screen.
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| CN101233749B (en) | 2011-11-16 |
| CN101238717A (en) | 2008-08-06 |
| CN101233748B (en) | 2011-06-29 |
| CN101238718A (en) | 2008-08-06 |
| CN101238724B (en) | 2012-05-23 |
| CN101233749A (en) | 2008-07-30 |
| CN101238717B (en) | 2012-09-05 |
| CN100581226C (en) | 2010-01-13 |
| CN101238715A (en) | 2008-08-06 |
| CN101238719B (en) | 2012-05-30 |
| CN101233750A (en) | 2008-07-30 |
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