CN101238718A - 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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- CN101238718A CN101238718A CNA200680028821XA CN200680028821A CN101238718A CN 101238718 A CN101238718 A CN 101238718A CN A200680028821X A CNA200680028821X A CN A200680028821XA CN 200680028821 A CN200680028821 A CN 200680028821A CN 101238718 A CN101238718 A CN 101238718A
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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 video information, audio information or data information, and recovery service based on video information, audio information or data information; a service processing module for generating a plurality of logical screens and cover screens displaying recovery service; an output module for reflecting the logical screens generated by the service processing module to various position of the display screen, and allowing cover screen cover display screen.
Description
Technical field
Apparatus and method according to the invention relates to configuring multiple screens (multiple screens), more particularly, relates to the equipment that dynamic-configuration provides the multi-screen of plurality of kinds of contents and is used to provide multi-screen on the single physical display unit.
Background technology
Broadcasting receiver such as the prior art of Digital Television (TV) or top box of digital machine only provides a content element on the single physical display unit, perhaps show main screen and sub-screen on the single physical display unit simultaneously.
Even the broadcasting receiver of prior art can show main screen and sub-screen simultaneously on same display screen, the broadcasting receiver of prior art also only can be arranged main screen and sub-screen in limited several modes.Under the situation of displaying contents, all elements of content (that is, video data, voice data and other data) all is shown in main screen.On the other hand, in sub-screen under the situation of displaying contents, some elements of displaying contents only.
Content source comprises such as the broadcast service of satellite broadcasting equipment, terrestrial broadcasting equipment or wired broadcasting equipment, such as the storage medium of digital universal disc (DVD) or be connected to the external device (ED) of input.Yet it is very difficult that the content of utilizing existing broadcasting receiver that such plurality of kinds of contents source is provided is presented on the display screen.
At interactive TV application environment, under MHP (MHP), senior common application platform (ACAP) and open cable application platform (OCAP), suppose on physical display, only to export a screen.
Under mutual TV application environment, for example adopt user interface (UI) based on home audio/video interaction technique (HAVi).According to HAVi UI standard,, on physical display, also only show a screen usually even the quantity of the screen that shows on the physical display is not had dielectric imposed limits.
Summary of the invention
Technical problem
Under such environment, be difficult on screen independently, to show in the content of multimedia at being presented at one of content of multimedia on the screen and carry out such as operations such as decoding, Digital Signal Processing, user interaction process.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.
Technical solution
The invention provides a kind of equipment and method that on physical display dynamic-configuration provides the multi-screen of plurality of kinds of contents that be used for.
In addition, the invention provides a kind of outermost cover screen (overlayscreen) that is arranged on display screen.
According to an aspect of the present invention, provide a kind of equipment that multi-screen is provided, this equipment comprises: digital signal processing module, and receiver, video information, audio-frequency information or data message, and based on video information, audio-frequency information or data message recovery service; Service processing module produces a plurality of display screens, a plurality of logical screen and the cover screen of the service be used to show recovery; Output module, a plurality of logical screens that service processing module is produced are mapped to the diverse location on the display screen, and allow cover screen to cover display screen.
According to a further aspect in the invention, provide a kind of equipment that multi-screen is provided, this equipment comprises: service processing module produces the display screen, logical screen and the cover screen that show service, and logical screen and the cover screen that produces is associated with service; Output module is mapped to the logical screen that produces the specific region on the display screen of generation, and allows cover screen to cover display screen.
According to a further aspect in the invention, provide a kind of equipment that multi-screen is provided, this equipment comprises: digital signal processing module, and receiver, video information, audio-frequency information or data message, and recover service; Service processing module produces display screen, a plurality of logical screen and the cover screen of the service be used to show recovery; Output module, the logical screen that service processing module is produced is mapped to the arbitrary region on the display screen, and cover screen is set to cover 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, and based on video information, audio-frequency information or data message recovery service; Generation is used to show display screen, a plurality of logical screen and the cover screen of the service of recovery; Logical screen is mapped to diverse location on the display screen; Cover screen is covered 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: produce the display screen, a plurality of logical screen and the cover screen that show service; Logical screen is mapped to arbitrary region on the display screen; Cover screen is covered on the display screen.
Description of drawings
By the detailed description of with reference to the accompanying drawings exemplary embodiment of the present being carried out, above-mentioned and others of the present invention will become apparent, wherein:
Figure 1A to Fig. 1 F is the diagrammatic sketch that illustrates according to the layout of main screen on the physical display of prior art and sub-screen;
Fig. 2 illustrates the diagrammatic sketch of the relation between logical screen, cover screen and the 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 A to Fig. 4 C illustrates the diagrammatic sketch that according to an exemplary embodiment of the present invention various graphical content is covered independently the method on the display screen;
Fig. 5 A to Fig. 5 C is the diagrammatic sketch that the method for a plurality of patterned surfaces that are used for a cover screen according to an exemplary embodiment of the present invention is shown;
Fig. 6 A and Fig. 6 B illustrate the diagrammatic sketch of the application example of cover screen according to an exemplary embodiment of the present invention;
Fig. 7 illustrates the block diagram of serving the source according to an exemplary embodiment of the present invention;
Fig. 8 A and Fig. 8 B are the diagrammatic sketch that non-according to an exemplary embodiment of the present invention abstract service and abstract service are shown;
Fig. 9 A and Fig. 9 B illustrate the attribute information of logical screen and cover screen and the diagrammatic sketch of interface;
Figure 10 illustrates the diagrammatic sketch of the attribute " z-order " of logical screen and cover screen according to an exemplary embodiment of the present invention;
Figure 11 A and Figure 11 B illustrate the diagrammatic sketch of the attribute of logical screen " Display_Area " according to an exemplary embodiment of the present invention;
Figure 12 illustrates according to an exemplary embodiment of the present invention with the diagrammatic sketch of three map of services to the method for display screen;
Figure 13 is the block diagram that the configuration of the equipment that is used to provide multi-screen according to an exemplary embodiment of the present invention is shown;
Figure 14 illustrates the flow chart of the method for dynamic-configuration multi-screen according to an exemplary embodiment of the present invention;
Figure 15 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 16 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 17 illustrates according to an exemplary embodiment of the present invention by module shown in Figure 16 to be presented at the flow chart that a plurality of services on logical screen and the cover screen are presented at the method on the display screen;
Figure 18 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 module shown in Figure 16.
Embodiment
By with reference to following detailed description and accompanying drawing to exemplary embodiment, advantage of the present invention and characteristics and realize that method of the present invention can be more readily understood.Yet the present invention can implement in many different modes, and should not be understood that to be confined to the exemplary embodiment set forth at this.On the contrary, it is in order to make the disclosure thoroughly and complete that these exemplary embodiments are provided, and fully passes on design of the present invention to those skilled in the art, and the present invention only is defined by the claims.Run through specification, identical label is represented identical parts.
Below, the present invention is described in the reference flow chart 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 make the instruction of processor operation of machine as calculated or other programmable data processing device create to be used for the device of the function that realizes that one or more flowchart block are specified to produce machine.
These computer program instructions also can be stored in can vectoring computer or other programmable data processing device with the computer of ad hoc fashion work can with or computer-readable memory in, make be stored in computer can with or computer-readable memory in instruction produce and comprise manufacturing a product of the command device of realizing function specified in one or more flowchart block.
Computer program instructions also can be written in computer or other programmable data processing device so that carry out the sequence of operations step on computer or other programmable device, producing computer implemented processing, thereby the instruction of carrying out on computer or other programmable device is provided for realizing the step of function specified in one or more flowchart block.
Each square frame of flow chart can be represented module, code segment or the partial code of the one or more executable instructions that comprise the logic function that is used to carry out appointment.Be also to be noted that in some replaceable realizations, the function shown in the square frame can be not according to occurring in sequence.For example, according to related function, in fact two square frames that illustrate continuously can be carried out substantially simultaneously, and perhaps sometimes, these two square frames can be carried out with opposite order.
In order to understand the present invention better, will define employed term in the disclosure now.
One group of content of multimedia that term " service " expression shows together, that is, and one group of serviced component (servicecomponent).
Serviced component is the element of service, comprises video component, audio-frequency assembly and data package.Data package is the application program in the service.
In addition, application program is divided into not binding application program and service binding application program.Because binding application program does not have high priority, so resource is distributed reposefully.Monitor application program (monitorapplication) is corresponding to the specific not binding application program with limit priority.
The service binding application program is relevant with transport stream, and the priority of binding application program is not low to allow priority ratio.The service binding application program is not as crucial (critical) system.When the competition that takes place resource, to compare with binding application program not, the possibility that service binding application program relinquishes resources is distributed is higher.The service binding application program comprises: the service binding application program of bond type, move in combination with the stream of current positive transmission; The service binding application program of non-binding type is moved independently with the stream of current positive transmission.
Term " service context " expression can be controlled the object of the execution of service, and the various resources, device and the execution state information that provide service required are provided.
The output port of the physical unit of the content of term " physical display " expression actual displayed service, the content of output service or the storage medium of stores service.
The screen of term " display screen " expression actual displayed on physical display.Service can be set directly on the display screen arbitrarily, and display screen can be displayed on the physical display.Perhaps, at least one logical screen that is mapped to the specific region of display screen can be displayed on the physical display.
Term " logical screen " expression shows the space of service arbitrarily.Before being mapped to display screen, logical screen is a virtual screen, therefore is not displayed on the physical display.
Logical screen and display screen can be the combinations of stationary background image, video raster (raster) and figure grating.The figure grating can be the combination of text, line, color and image or the mixing of frame of video.
Term " cover screen " expression shows the space of captions and various function (comprising volume selection and quiet selection), and cover screen covers display screen.Say that at length cover screen is set at the outermost of display screen.
A plurality of cover screens may be displayed on the display screen to cover the diverse location on the display screen.
Cover screen shows from the data package of the service of terrestrial broadcasting, wired broadcasting, personal video record (PVR) transmission.
For example, cover screen is stored in the data package that sends in the storage medium, is mapped to display screen subsequently.
In addition, cover screen is based on the identifying information (discriminationinformation) of a plurality of cover screens or determine that the attribute " z-Order " of arranging the order of a plurality of cover screens on the z of display screen axle covers display screen.Here, the identifying information of cover screen represents that a screen is a cover screen.
For example, when cover screen based on attribute " z-Order " when being mapped to display screen, the value of " z-Order " attribute of cover screen is bigger than the value of " z-Order " attribute of the logical screen that can be mapped to display screen.In addition, when cover screen was placed on the display screen based on identifying information, the screen with identifying information of cover screen was set to be positioned at fully the foremost of display screen.
One or more cover screens can be provided.In this case, determine the order of cover screen on the z axle based on " z-Order " property value of cover screen.
Cover screen is fit to show not binding application program but not the service binding application program, though this be because the configuration of display screen how, binding application program all is not displayed on the entire display screen curtain easily.
For example, no matter the quantity of the logical screen on the current physical display and configuration are how, the user all easily will as representativeness not the electronic program guides of binding application program (EPG) application program be presented at the foremost of the screen on the z axle.
Term " main service " expression user is chosen as main service of serving by menu or the remote controller that is presented on the physical display, and perhaps application program shows that by the service that API is chosen as main service main screen of serving is called as " main screen ".
Term " picture in picture service (PiP service) " expression user shows the service that menu on the device or remote controller are chosen as time service in the main service through the API of application program by being presented at physics, and the PiP service can be displayed on picture-in-picture screen (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 a screen overlay under the screen that shows simultaneously with this screen.
Fig. 2 illustrates the diagrammatic sketch of the relation between logical screen, cover screen and the display screen according to an exemplary embodiment of the present invention.
With reference to Fig. 2, can utilize logical screen 210,212 and 214 and cover screen 216 show service.Logical screen 210,212 and 214 is mapped to display screen 220,222 and 224 by mapping block 230.Cover screen 216 and mapping block 230 be the whole display screens 220,222 and 224 of imbrication discretely.The display screen that cover screen 216 must a plurality of logical screens of imbrication be mapped to.In addition, a plurality of cover screens can the imbrication display screen.
At length say, logical screen 210 and 212 is mapped to display screen 220, and cover screen 216 covers display screen 220, and logical screen 212 and 214 is mapped to display screen 222, logical screen 210,212 and 214 is mapped to display screen 224, cover screen 216 imbrication display screens 224.
In brief, at least one shows mapped 230 arbitrary region that is mapped to display screen of logical screen of service.Cover screen 216 can cover the optional position of display screen discretely with mapping block 230.
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 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 is meant in the z order value of describing subsequently.Can be with cover 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 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 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.
And 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, shown in Fig. 4 A to Fig. 4 C.
Fig. 4 A to Fig. 4 C illustrates the diagrammatic sketch that according to an exemplary embodiment of the present invention various graphical content is covered independently the method that (that is, a plurality of cover screens is covered on the display screen) on the display screen.Here, the graphical content of service must be connected directly to the included patterned surface of each cover screen (graphicsurface).
With reference to Fig. 4 A, under the situation that does not change size, be mapped to the entire display screen curtain by the main screen of the combining and configuring of stationary background image B, video raster V and figure grating G.Be mapped to the optional position of display screen according to the size that reduces by the PiP screen of the combining and configuring of stationary background image B, video raster V and figure grating G.In this case, the PiP screen of mapping is disposed on the main screen, and this is determined by the z value.Character " z " is meant the value of z order.In addition, the cover screen covering display screen that only has graphic assembly.In this case, the z value of covering is maximum, thereby, the outermost of cover screen imbrication display screen.In this case, mapper is not used in cover screen.
With reference to Fig. 4 B, under the situation that does not change size, be mapped to the entire display screen curtain by the main screen of the combining and configuring of stationary background image B, video raster V and figure grating G.Be mapped to the optional position of display screen according to the size that reduces by the PiP screen of the combining and configuring of stationary background image B, video raster V and figure grating G.In addition, two cover screen # 1 and #2 that only have graphic assembly cover display screen.In this case, the z value of cover screen can be same to each other or different to each other.
With reference to Fig. 4 C, under the situation that does not change size, be mapped to the entire display screen curtain by the main screen of the combining and configuring of stationary background image B, video raster V and figure grating G.Be mapped to the optional position of display screen according to the size that reduces by the PiP screen of the combining and configuring of stationary background image B, video raster V and figure grating G.In addition, a plurality of cover screen # 1 to #N that only have graphic assembly cover display screen.In this case, the z value of cover screen can be same to each other or different to each other.
Fig. 5 A to Fig. 5 C illustrates according to an exemplary embodiment of the present invention with the diagrammatic sketch of a plurality of patterned surfaces as the method for a cover screen.In this case, by service context and a cover screen are connected, can show the graphical content of the service relevant with cover screen.
Fig. 5 A is the diagrammatic sketch that the monoplane cover screen is shown.Described free hand drawing shape surface is used for closed caption (closed captioning) or is used to unite using closed caption and other functions (for example, volume selection, quiet selection, be used to be provided with the user interface of function).In this case, during some changing functions in the scene of uniting use (scenario), full content must be upgraded by (latently) potentially.Can reduce this renewal by the subclass (for example, the subclass in the zone that changes) of upgrading the vision pixel.
Yet potential renewal and these optimal methods cause the complicated coding and the debugging of increase.In addition, operation and memory cycle increase.On the contrary, when being provided with, need minimum hardware resource.For example, do not need hardware combinations device (compositor) or a plurality of patterned surface.
Fig. 5 B illustrates the biplane cover screen.Add combiner and second graph surface with described function with separate with other functions that the user interface of second graph surface (Gs) is united use being used for closed caption.The patterned surface that is added is united use and is being comprised that facilities and equipments are provided with in the application environment of this locality of function (native) environment.Yet this and PiP and PoP are provided with independence.Preferably, binding application program not can be used for showing cover screen discretely with the figure of current service binding application program.
When many environment are presented on the surface of common use effectively, carry out co-operate by upgrade described function or demonstration time based on the mutual exclusion request.
As a result, the clearly patterned surface by being provided for closed caption and each application environment are summarized the previous setting of cover screen.
Fig. 5 C illustrates N plane cover screen.Above-mentioned being summarised in asks to provide the simplest system architecture during the basic resources,, is used for unique (exclusive) patterned surface of each environment that is.
It is constant that the shape of cover screen and resolution are supposed to keep, and meet the shape of whole display unit.
In the OCAP structure, preferably, by binding application program not but not the service binding application program is used the unique patterned surface in the cover screen.This be because, unique patterned surface is independent of PiP and POP and is provided with, unique patterned surface can use the whole display graphics with constant resolution discretely with the figure of service binding application program.
For example, the above-mentioned use to the user provides visual indicia (visual mark), this makes the application program of screen concentrate for the incoming event of not subscribing assigns (unreserved input event dispatch), allow profile to draw and do not have any restriction of application program, and provide title (title) for PiP and POP screen.
Fig. 6 A and Fig. 6 B illustrate the diagrammatic sketch of the application example of cover screen according to an exemplary embodiment of the present invention.
With reference to Fig. 6 A, another example of cover screen can be used for which screen current be focused of indicated number on display screen.In this case, the screen of focusing is meant the screen that comprises following application program, and this application program obtains incident when the interface of user's use such as remote controller transmits incoming event.
With reference to Fig. 6 B, cover screen can be used for the border of instruction screen or is presented at the title (title) of the service on the screen.
Fig. 7 is the diagrammatic sketch that the example of serving the source according to an exemplary embodiment of the present invention is shown.
There are the service source (as terrestrial broadcasting equipment 320 and wired broadcasting equipment 330) that broadcast service is provided, the service source (as PVR 340) that the service that is stored in the storage medium is provided and provide the service source (not shown among Fig. 7) of service through cable network or wireless network.
Then, will serve arbitrarily by predefined method or by the method for user or application program setting and be set directly on the display screen that to be presented on the physical display.In addition, being mapped at least one logical screen of arbitrary region of display screen and the cover screen that covers display screen is presented on the physical display 350.In brief, the service that is provided by terrestrial broadcasting equipment 320, wired broadcasting equipment 330 and PVR is displayed on the physical display 350.
Shown in Fig. 8 A and Fig. 8 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 of real-time Transmission, but is independent of the service of broadcast channel.Abstract service only comprises the broadcast data assembly, i.e. application program, and do not comprise video component and audio-frequency assembly.The example of abstract service comprises the service that has based on the not binding application program of OCAP standard.
Non-abstract service is understood that it is service except abstract service.
According to current exemplary embodiment of the present invention, abstract service and non-abstract service are independently.For example, abstract service can be set directly on the physical display does not pass through logical screen, and non-abstract service can be displayed on logical screen and the cover 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 a 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, cover screen and display screen can be divided into different objects.Perhaps, according to the attribute information of a screen object, screen can be used as logical screen, cover screen or display screen.
Say that at length screen object is that logical screen, display screen or cover screen depend on " type " information in the attribute of screen object.
The attribute information of screen object comprises a plurality of attributes " z-Order (z order) ", " Display_Area (viewing area) ", " Visibility (visuality) ", " Associated_Display_Screen (relevant display screen) ", " Associated_Service_Contexts (related service context) ", " OutputPort (output port) " and " Overlay_information (coverage information) ".
The interface that Fig. 9 A and Fig. 9 B illustrate the attribute information of screen object and be 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 a plurality of logical screens and the cover screen arrangement order along the z axle.Cover screen can not comprise " z-Order " attribute.Figure 10 illustrates the various combination for " z-Order " property value of logical screen and cover screen, the difference configuration of the logical screen on the physical display.
With reference to Figure 10, first logical screen 620 and second logical screen 630 are mapped to the presumptive area of display screen 610 respectively, and cover screen 640 covers display screen 610.Say that at length first logical screen 620 is displayed on the display screen 610, second logical screen 630 is displayed on first logical screen 620, and cover screen 640 is presented on second logical screen 630.In other words, display screen 610, first logical screen 620, second logical screen 630 and cover screen 640 are disposed in order along the z direction of principal axis.In this case, " z-Order " attribute that " z-Order " attribute of first logical screen 620 can the value of being set to 1, the second logical screen 630 can the value of being set to 2, and " z-Order " attribute of cover screen 640 can the value of being set to 3." z-Order " attribute of first logical screen 620, second logical screen 630 and cover screen 640 can be set to any numeral or character, as long as the certain order that first logical screen 620, second logical screen 630 and cover screen 640 are arranged along the z axle can be represented in these numerals or character.
Attribute " Display_Area " the 530th is with the relevant information in display screen zone (shown in Figure 11 A and Figure 11 B) of logical screen.
Figure 11 A illustrates the whole zone that logical screen 710 is mapped to display screen 720, and Figure 11 B illustrates the subregion that logical screen 730 is mapped to display screen 740.
" Display_Area " attribute 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 what deviant the precalculated position of specifying on the display screen and indication logical screen have departed from respect to the described precalculated position on the display screen information.
Attribute " Visibility " 540 determines that logical screen will still invisibly be presented on the display screen visibly.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 relevant with logical screen.Not relevant with any display screen logical screen can not be displayed on the physical display, also can not be sent to outside output device.
Attribute " Associated_Service_Contexts " the 560th, the information relevant with the service context that is connected to logical screen, cover screen or display screen.The service that is arranged in such service context can be displayed on logical screen, cover 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 display screen, wire/wireless communication medium and various storage medium.
Attribute " Overlay-Information " 580 comprises that instruction screen is the identifying information of cover screen of cover screen and the positional information that the indication cover screen covers the optional position of display screen.By attribute " Overlay-Information ", cover screen can be placed in the foremost of display screen.
The interface that is used to discern or change property value shown in Fig. 9 A and Fig. 9 B can be provided.With reference to Fig. 9 A and Fig. 9 B, 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 processing, function, process or the method for the function of carrying out them respectively.
For example, method " getDisplayScreen (void) " is returned the display screen relevant with current screen.Say that at length if current screen is a logical screen, then method " getDisplayScreen (void) " is returned relevant 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 screen associated, 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 relevant display screen.The example that is provided as parameter is the class " HScreenRectangle, and have two-dimensional position information of bag " org.havi.ui ".Can carry out the execution of method " SecurityException " and " IllegalStateException ", as the abnormal operation of method " setDisplayScreen (HScreen screen) ".Can be when current screen be logical screen, perhaps in the part of the display screen relevant with current logical screen because the characteristic of host platform and can not change the time, manner of execution " 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 uncorrelated with any display screen, and then method " getOutputArea (void) " is returned " NULL " value.
In the following description, use particular term to represent special interface all the time.Yet, it should be appreciated by those skilled in the art that the specific function name just in order to represent its function.Detailed description to exemplary embodiment is not to be in order to distinguish the function of title difference (and not function difference).
Figure 12 illustrates the diagrammatic sketch that three services are set at the processing on three logical screens that are mapped to a display screen.
With reference to Figure 12, first service comprises three all serviced components, i.e. video, audio frequency and data package, and second service only comprises video and audio-frequency assembly, the 3rd service only comprises data package.Yet the present invention does not force any restriction to serviced component, and first service and second service shown in Figure 12 only are exemplary.
As shown in figure 12, first service, second service and the 3rd service are according to being displayed on the physical display with prior art mode much at one.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 forced any restriction.In this case, do not shine upon cover screen by logical screen is mapped to display screen and show service.
Figure 13 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 13, provide the equipment 900 of multi-screen to comprise digital signal processing module 940, service processing module 950, output module 960 and user/application interface module 965.
In addition, equipment 900 comprises broadcast singal receiver module 910, storage medium 920 and outside input module 930 as the service source, and comprises that physical display 970, storage medium 980 and outside output module 990 are as the service output medium.
Here the software 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 addressable storage medium easily, and is configured to move on one or more processors.Therefore, module can comprise (for example) assembly (such as component software, OO component software, class component and task component), processing, function, attribute, process, subprocess, program code segments, driver, firmware, microcode, circuit, data, database, data structure, table, array and variable.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 send the broadcast singal received, 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 serviced 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 the service of recovering according to the selection that user or application program are undertaken by user/application interface module 965.In this case, user or application program can be selected being connected between arbitrarily service 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/application interface module 965 selected output ports through the user to acquiescence.
The service that user or application program can utilize user/application interface module 965 to select one of a plurality of services or recover to expect.In addition, the user can utilize user/application interface module 965 to select one of a plurality of display screens.
Because module shown in Figure 13 is divided according to their function, so it can be connected to other module.
Figure 14 illustrates the flow chart of the method for dynamic-configuration multi-screen according to an exemplary embodiment of the present invention.
Usually, send 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, equipment receiver, video information, audio-frequency information and data message such as the service of 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 select or pre-determine the service that in operation S1010, recovers by user or application program.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 program can utilize API to select described connection.
In addition, data message comprises the relevant application information of application program with service, and these application informations comprise the signal message whether the indication application program can be carried out on the PiP screen.The example of application information comprises based on the application information table of MHP standard (AIT) with based on the extension application information table (XAIT) of OCAP standard.Signal message can be added to described application information.
Afterwards, at operation S1020, the service of recovery is provided so that it can be displayed on logical screen or the cover screen.At operation S1030, logical screen is mapped to display screen, and cover screen covers display screen.At operation S1040, utilize display screen, storage medium or network that display screen is offered the user.
The service that recovers has been shown among Figure 14 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 according to two kinds of patterns.Under first kind of pattern, only be provided at the video component of the PiP service of selecting on the main screen, and not to the independent logical screen of PiP service-creation, that is, and the PiP screen.Under second kind of pattern, to the independent logical screen of PiP service-creation, so that selected PiP service to be provided on the PiP screen of creating.
For the sake of simplicity, Figure 14 only shows a map of services and covers the method for display screen.Yet, can by or can be not by a plurality of logical screens or cover screen with a plurality of map of services or cover display screen.
When by this way display screen being offered the user, the user can carry out a plurality of services.
Figure 15 is the diagrammatic sketch that the software architecture that multi-screen is provided according to an exemplary embodiment of the present invention is shown.
With reference to Figure 15, software architecture 1100 comprises device driver layer 1110, api layer 1120 and application layer 1130.
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, as shown in figure 16, api layer 1120 can comprise a plurality of software modules, for example multi-screen manager module " MultiscreenManager " 1210, multi-screen context module " MultiscreenContext " 1230, multi-screen context monitor module " MultiscreenContextListener " 1250 and multi-screen context events module " MultiscreenContextEvent " 1240.
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 monitor module 1250 is as the monitor interface object, and this monitor interface object can realize in the predetermined application class of attempting receiving the suggested incident of multi-screen context events module 1240.
At length say, application program 1260 sends to multi-screen manager module 1210 and allows users dynamically to dispose various command with management logic screen or cover screen, and multi-screen manager module 1210 is controlled and the operation that the various command that is performed is corresponding by multi-screen context module 1230.
Figure 17 illustrates according to an exemplary embodiment of the present invention by module shown in Figure 16 to be presented at the flow chart that a plurality of services on logical screen and the cover screen are presented at the method on the display screen.
With reference to Figure 17, at operation S1310, multi-screen manager module 1210 generates display screen and a plurality of logical screens and the cover screen corresponding with the quantity of the service that will carry out.
At operation S1320, multi-screen manager module 1210 is connected to each the corresponding service that receives from device driver layer 1110 with logical screen and cover screen.Multi-screen manager module 1210 can be set to the parameter of logical screen and cover screen by the service context object of the service that receives, calls the method " addServiceContext " of each logical screen and the method " addServiceContext " of cover screen.Method " addServiceContext " is connected to service with logical screen and cover screen, and can be provided by multi-screen context module 1230.
Method " addServiceContext " can be by form " voidaddServiceContext (javax.tv.service.selection.ServiceContext context; booleasshowCC) throws java.lang.SecurityException, java.lang.IllegalStateException " expression.Parameter " showCC " is the Boolean type parameter that is used for the use of definite cover screen.If parameter " showCC " is true, then method " addServiceContext " shows captions (subtitle) by cover screen.If parameter " showCC " is false, then method " addServiceContext " is handled application program by cover screen.
In operation 1330, in case logical screen and cover screen are connected to each service, multi-screen manager module 1210 just is connected to display screen with logical screen and cover screen.At this moment, multi-screen manager module 1210 can be set to parameter by the display screen object that logical screen was connected to and comes each logical screen is called " setDisplayScreen " method.Method " setDisplayScreen " is connected to display screen with logical screen, and can be provided by multi-screen context module 1230.In addition, cover screen can call the method " setOverlayInformation " of cover screen object.Method " setOverlayInformation " is the method for cover screen as notification screen, and is provided by multi-screen context module 1230.
Method " setDisplayScreen " can be set to " public void setDisplayScreen (HScreen Screen) throws SecurityException; IllegalStateException ", and the example " HScreen " that this method allows to be provided as parameter is relevant 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 abnormal operation, current logical screen is no longer relevant with display screen.
Can carry out the abnormal operation of the execution of method " SecurityException " and " IllegalStateException " as method " setDisplayScreen (HScreen screen) ".
Can be when current screen be logical screen, perhaps in the part of the display screen relevant with current logical screen because the characteristic of host platform and can not change the time, manner of execution " IllegalStateException ".
At operation S1340, when logical screen and cover screen are connected to service and a plurality of logical screen and cover screen and are connected to single display screen, determine that logical screen and cover screen are with the zone that is mapped to respectively on the display screen.At this moment, can call the preordering method that provides by multi-screen context module 1230 and determine on the display screen zone display logic screen and cover screen.
Figure 18 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 module shown in Figure 16.
In operation S1410, the service that the 1210 interim terminations of multi-screen manager module will exchange between two logical screens.
Afterwards, at operation S1420, exchange is about the information of described service between two logical screens.At this moment, to each call method " removeServiceContext " in two logical screens and method " addServiceContext ", thereby exchange is arranged on two service context in the logical screen between two logical screens.Method " removeContext " is removed the service context that is connected to logical screen, and method " addServiceContext " is added new service context to logical screen.Method " removeServiceContext " and method " addServiceContext " can be provided by multi-screen context module 1230.The current exemplary embodiment according to the present invention exchanges the information on services about the service that is connected to logical services between logical services, thereby obtains the effect of exchange main screen and sub-screen.In addition, the current exemplary embodiment according to the present invention even when carrying out three or more services on display screen, also can exchange described service between the logical screen of any amount.
At operation S1430, the generation of the incident that the connection between the service of producing and two logical screens has changed.Afterwards, at operation S1440, multi-screen context events module 1240 sends to multi-screen context monitor module 1250 with incident, and the service that is connected to two logical screens recently begins to be performed.
Utilizability on the industry
According to the present invention, can utilize a plurality of services that a physics display screen is carried out in every way to be provided by each provenance (as, wired broadcasting equipment, terrestrial broadcasting equipment, 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 various changes on form 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 multi-screen is provided, this equipment comprises:
Digital signal processing module, receiver, video information, audio-frequency information or data message, and based on video information, audio-frequency information or data message recovery service;
Service processing module produces a plurality of display screens, a plurality of logical screen and the cover screen of the service be used to show that digital signal processing module recovers;
Output module, the logical screen that service processing module is produced is mapped to the diverse location on the display screen, and cover screen is covered on the display screen.
2, equipment as claimed in claim 1, wherein, 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 information about the application program that is used to serve, application information comprises the information whether this application program of indication can be carried out on the picture-in-picture screen.
4, equipment as claimed in claim 1, wherein, each logical screen comprises the information about the zone of the logical screen of arranging in display screen.
5, equipment as claimed in claim 1, wherein, each logical screen comprises the display screen identifying information.
6, equipment as claimed in claim 1, wherein, cover screen comprises that instruction screen is the cover screen identifying information of cover screen.
7, equipment as claimed in claim 1, wherein, each logical screen and cover screen comprise the information about relevant service context, the service that is presented on logical screen and the cover screen is set in the service context.
8, equipment as claimed in claim 1, wherein, display screen comprises the logical screen identifying information.
9, equipment as claimed in claim 1 also comprises the physical display of output display screen curtain.
10, equipment as claimed in claim 1 also comprises the storage medium of storing display screen.
11, equipment as claimed in claim 1 also comprises: outside output module sends display screen to device.
12, a kind of equipment that multi-screen is provided, this equipment comprises:
Service processing module produces the display screen, logical screen and the cover screen that show service, and logical screen and cover screen are associated with service;
Output module is mapped to specific region on the display screen with logical screen, and cover screen is covered on the display screen.
13, equipment as claimed in claim 12, wherein, service comprises at least one in video information, audio-frequency information and the data message.
14, equipment as claimed in claim 13, wherein, video information, audio-frequency information or data message are provided by broadcast singal, storage medium or network.
15, equipment as claimed in claim 13, wherein, data message comprises the application information about the application program that is used to serve, application information comprises the information whether this application program of indication can be carried out on the picture-in-picture screen.
16, equipment as claimed in claim 12, wherein, logical screen comprises about the information in the zone of the logical screen of arranging in display screen and scalability information.
17, equipment as claimed in claim 12, wherein, logical screen comprises the display screen identifying information.
18, equipment as claimed in claim 12, wherein, cover screen comprises that instruction screen is the cover screen identifying information of cover screen.
19, equipment as claimed in claim 12, wherein, each logical screen and cover screen comprise the information about relevant service context, the service that is presented on logical screen and the cover screen is set in the service context.
20, equipment as claimed in claim 12, wherein, display screen comprises the logical screen identifying information.
21, equipment as claimed in claim 12 also comprises the physical display of output display screen curtain.
22, equipment as claimed in claim 12 also comprises the storage medium of storing display screen.
23, equipment as claimed in claim 12 also comprises: outside output module sends display screen to device.
24, a kind of equipment that multi-screen is provided, this equipment comprises:
Digital signal processing module, receiver, video information, audio-frequency information or data message, and based on video information, audio-frequency information or data message recovery service;
Service processing module produces the display screen, logical screen and the cover screen that are used to show service;
Output module, the logical screen that service processing module is produced is mapped to the arbitrary region on the display screen, and cover screen is covered on the display screen.
25, a kind of method of dynamic-configuration multi-screen, this method comprises:
Receiver, video information, audio-frequency information or data message, and based on video information, audio-frequency information or data message recovery service;
Generation is used to show the display screen of service, a plurality of logical screen and cover screen;
Logical screen is mapped to diverse location on the display screen;
Cover screen is covered on the display screen.
26, method as claimed in claim 25, wherein, video information, audio-frequency information or data message are provided by broadcast singal, storage medium or network.
27, method as claimed in claim 26, wherein, data message comprises the application information about the application program that is used to serve, application information comprises the information whether this application program of indication can be carried out on the picture-in-picture screen.
28, method as claimed in claim 25, wherein, each logical screen comprises about the information in the zone of the logical screen of arranging in display screen and scalability information.
29, method as claimed in claim 25, wherein, each logical screen comprises the display screen identifying information.
30, method as claimed in claim 25, wherein, cover screen comprises that instruction screen is the cover screen identifying information of cover screen.
31, method as claimed in claim 25, wherein, each logical screen and cover screen comprise the information about relevant service context, the service that is presented on logical screen and the cover screen is set in the service context.
32, method as claimed in claim 25, wherein, display screen comprises the logical screen identifying information.
33, method as claimed in claim 25 also comprises: the output display screen curtain.
34, method as claimed in claim 25 also comprises: the storage display screen.
35, method as claimed in claim 25 also comprises: send display screen to device.
36, a kind of method of dynamic-configuration multi-screen, this method comprises:
Produce the display screen, logical screen and the cover screen that show service;
Logical screen is mapped to arbitrary region on the display screen;
Cover screen is covered on the display screen.
37, method as claimed in claim 36, wherein, service comprises at least one in video information, audio-frequency information and the data message.
38, method as claimed in claim 37, wherein, data message comprises the application information about the application program that is used to serve, application information comprises the information whether this application program of indication can be carried out on the picture-in-picture screen.
39, method as claimed in claim 36, wherein, service is provided by broadcast singal, storage medium or network.
40, method as claimed in claim 36, wherein, logical screen comprises about the information in the zone of the logical screen of arranging in display screen and scalability information.
41, method as claimed in claim 36, wherein, logical screen comprises the display screen identifying information.
42, method as claimed in claim 36, wherein, cover screen comprises that instruction screen is the cover screen identifying information of cover screen.
43, method as claimed in claim 36, wherein, logical screen and cover screen comprise the information about the service context relevant with logical screen, the service that is presented on logical screen and the cover screen is set in the service context.
44, method as claimed in claim 36, wherein, display screen comprises the logical screen identifying information.
45, method as claimed in claim 36 also comprises: the output display screen curtain.
46, method as claimed in claim 36 also comprises: the storage display screen.
47, method as claimed in claim 36 also comprises: send display screen to device.
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- 2006-08-03 CN CN200680028909A patent/CN100581226C/en not_active Expired - Fee Related
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- 2006-08-04 CN CN2006800285086A patent/CN101238715B/en not_active Expired - Fee Related
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- 2006-08-04 CN CN2006800283663A patent/CN101233748B/en not_active Expired - Fee Related
- 2006-08-04 CN CN2006800289316A patent/CN101238721B/en not_active Expired - Fee Related
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106254928A (en) * | 2016-08-19 | 2016-12-21 | 青岛海信电器股份有限公司 | A kind of picture caption presentation method and device |
| CN106254928B (en) * | 2016-08-19 | 2019-07-30 | 青岛海信电器股份有限公司 | A kind of picture caption presentation method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101233749A (en) | 2008-07-30 |
| CN101238715A (en) | 2008-08-06 |
| CN101233747A (en) | 2008-07-30 |
| CN101238722A (en) | 2008-08-06 |
| CN101238717A (en) | 2008-08-06 |
| CN101238717B (en) | 2012-09-05 |
| CN101238719A (en) | 2008-08-06 |
| CN101238716A (en) | 2008-08-06 |
| CN101233747B (en) | 2010-08-04 |
| CN101238719B (en) | 2012-05-30 |
| CN101233748B (en) | 2011-06-29 |
| CN101238715B (en) | 2013-03-27 |
| CN101233750B (en) | 2011-11-16 |
| CN101238722B (en) | 2011-09-14 |
| CN100581226C (en) | 2010-01-13 |
| CN101238718B (en) | 2012-05-30 |
| CN101238724A (en) | 2008-08-06 |
| CN101233749B (en) | 2011-11-16 |
| CN101238720A (en) | 2008-08-06 |
| CN101238724B (en) | 2012-05-23 |
| CN101233750A (en) | 2008-07-30 |
| CN101238721A (en) | 2008-08-06 |
| CN101233748A (en) | 2008-07-30 |
| CN101238716B (en) | 2012-05-23 |
| CN101238721B (en) | 2011-06-29 |
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