CN1893590A - Display system, display apparatus, and method of controlling video source and display apparatus - Google Patents

Display system, display apparatus, and method of controlling video source and display apparatus Download PDF

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Publication number
CN1893590A
CN1893590A CNA2006100844443A CN200610084444A CN1893590A CN 1893590 A CN1893590 A CN 1893590A CN A2006100844443 A CNA2006100844443 A CN A2006100844443A CN 200610084444 A CN200610084444 A CN 200610084444A CN 1893590 A CN1893590 A CN 1893590A
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China
Prior art keywords
sprite
display
valid window
viewing area
display device
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CNA2006100844443A
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Chinese (zh)
Inventor
金荣灿
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Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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Publication of CN1893590A publication Critical patent/CN1893590A/en
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
    • G06F3/0482—Interaction with lists of selectable items, e.g. menus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/485—End-user interface for client configuration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
    • H04N5/45—Picture in picture, e.g. displaying simultaneously another television channel in a region of the screen

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

A display system includes a video source to supply a first video signal and a display apparatus to receive the first video signal and a second video signal from an external device to be displayed as a main picture and a sub picture, respectively, through a picture in picture (PIP) processing. The display system further includes a controller which changes display area characteristics of at least one of a display area of a program active window of the main picture and a display area of the sub picture to remove an overlap area between the display areas of the program active window and the sub picture. Thus, the display system effectively deals with the overlap area without a user's key manipulation when the overlap area is generated while performing a picture in picture (PIP) function, a display apparatus of the display system controls the overlap area, and a control method controls the video source and the display apparatus to remove or prevent the overlap area.

Description

The method of display system, display device and control of video source and display device
The application requires the priority of korean patent application No.2005-0045313 that submits to Korea S Department of Intellectual Property on May 28th, 2005 and the korean patent application No.2006-0006875 that submitted on January 23rd, 2006, and its content is incorporated herein by reference.
Technical field
General conception of the present invention relates to a kind of display system, more specifically, relate to and a kind ofly when carrying out picture-in-picture (PIP) function, when overlap the zone, can control the overlapping region effectively and need not the control method of display system, display device and a kind of control of video source and the display device of the manipulation of user's key.
Background technology
Usually, display device comprises Electrically Erasable Read Only Memory (EEPROM), has wherein stored its specification (that is the display identification data of expansion (EDID)), so that EDID is sent to video source (that is computer) by DDC (DDC) communication.Then, computer receives EDID and automatically show optimum picture within the scope that display device is supported, and irrelevant with the software of user's use.
In recent years, the display device support shows picture-in-picture (PIP) function of two pictures simultaneously in a monitor.By the vision signal of PIP function treatment, and key frame is shown as big picture and shows sprite with the size of key frame 1/n, on monitor, show two different pictures thus from the input of two or more video source.
Typically, support the display device of PIP function to be shown as key frame from the PC vision signal input of computer graphics card, to be shown as sprite from the input of the vision signal of external equipment such as TV or VCR, thereby make the user can be at computed TV program or the film of watching simultaneously from TV and VCR.
In the display system of the display device that comprises computer, external equipment and support PIP function, in the time of will being shown as sprite from the vision signal of external source when the PC vision signal is shown as key frame, the user by the computer run document or when carrying out PC program such as the internet, corresponding to the PC program valid window of key frame and window overlaid corresponding to sprite.
Fig. 1 shows a kind of conventional display system, is used for control overlapping region 4 when PC program valid window on the display part 5 at display device 10 3 and sprite 2 overlap each other.In conventional display system, the user handles the actuating element 7 of display device 10 and is that sprite 2 ' is to remove overlapping region 4 with the adjusted size of sprite 2.Alternatively, computer comprises PC software, by along the cursor of the direction rolling mouse of arrow 4b or by utilizing the keyboard (not shown), be the 2nd PC program valid window 3 ' with the adjusted size of PC program valid window 3, in conventional display system, remove overlapping region 4 thus.
In conventional display system, when PC program valid window 3 and sprite 2 overlap each other, the user handles the mouse (not shown) of the actuating element 7 of display device 10 or computer and keyboard (not shown) to remove overlapping region 4, causes the inconvenience of operon picture 2 or PC program valid window 3 thus.
Summary of the invention
An aspect of general conception of the present invention provides a kind of and can control the overlapping region effectively when overlap the zone and need not the control method of display system, display device and a kind of control of video source and the display device of the manipulation of user's key when carrying out picture-in-picture (PIP) function.
With partly describing the additional aspect and/or the advantage of general conception of the present invention in the following description, according to specification, described additional aspect and/or advantage will be apparent, or be learned by practice of the present invention.
By providing a kind of display system can realize the above-mentioned and/or others of general conception of the present invention, described display system comprises: video source provides first vision signal; And display device, receive first vision signal and from second vision signal of display system outside, so that it is shown as key frame and sprite respectively by picture-in-picture (PIP) processing, described display system also comprises controller, the one or more viewing areas characteristic of at least one in first viewing area of the program valid window of change key frame and second viewing area of sprite, and the overlapping region between the viewing area of the viewing area of the program of removal valid window and sprite.
Controller can be included in the video source controller that is provided with in the video source, compares to the display region information of display device request sprite and by the display region information to the display region information of sprite and program valid window and determines whether to exist the overlapping region.
Controller can comprise the display controller that is set in the display device, when the request signal that receives from video source, handles the display region information that sprite is provided to video source based on PIP.
The viewing area characteristic can comprise the size of viewing area and at least one in the position.
Controller can comprise that overlapping demonstration improves the function setting device, it is opening that overlapping demonstration is improved function setting, to improve the demonstration of overlapping region, when overlapping demonstration improvement function setting being opening by overlapping demonstration improvement function setting device, determine whether to exist the overlapping region, and at least one viewing area in reprogramming valid window and the sprite.
Controller can also comprise that priority is provided with device, the priority of setting program valid window and sprite, and store the set program valid window and the precedence information of sprite.
Display device can comprise the PIP processor, by the PIP processing first and second vision signals are shown as key frame and sprite, when from the predetermined sprite control signal of video source input, display controller can be controlled the PIP processor, so that change the display area size of sprite according to the sprite control signal.
Controller can also comprise that the position locomotive function is provided with device, and the position locomotive function of program valid window and sprite is set to the On/Off state, and storage is provided with the On/Off configuration information of the position locomotive function of device setting by the position locomotive function.
Key frame can comprise visually partition program valid window and the frame area border, viewing area, the program valid window thereof.
By being provided, a kind of display device also can realize the above-mentioned and/or others of general conception of the present invention, described display device receives a plurality of vision signals and by picture-in-picture (PIP) processing vision signal is shown as key frame and sprite, described display device comprises controller, handle the display region information that sprite is provided to video source based on PIP, described video source provides at least one vision signal so that be shown as key frame, when from video source input sprite controller signals, described controller changes the position of sprite viewing area and at least one in the size according to the sprite control signal.
Video source and controller can communicate each other by DDC (DDC) communication line.
Controller can also comprise that priority is provided with device, and the program valid window of key frame and the priority of sprite are set, and stores the set program valid window and the precedence information of sprite.
Controller can also comprise that the position locomotive function is provided with device, the program valid window of key frame and the position locomotive function of sprite are set to the On/Off state, and storage is provided with the On/Off configuration information of the position locomotive function of device setting by the position locomotive function.
Also can realize the above-mentioned and/or others of general conception of the present invention by the method that a kind of control of video source and display device are provided, wherein said video source provides first vision signal, and display device receives from first vision signal of video source with from second vision signal of external equipment, to pass through picture-in-picture (PIP) processes and displays first and second vision signals, described method comprises: handle that by picture-in-picture (PIP) first and second vision signals are shown as key frame and sprite respectively, change in second viewing area of first viewing area of program valid window of key frame and sprite the viewing area characteristic of at least one, with the overlapping region between the viewing area of the viewing area of removing the program valid window and sprite.
Described method can also comprise the display region information of video source request sprite, and determines whether to exist the overlapping region by the display region information of sprite and display region information based on the program valid window of first vision signal that provides to display device are compared.
Described method can also comprise handles the display region information that sprite is provided to video source based on PIP when the request signal that receives from video source.
Described method can also comprise the precedence information of reception and stored program valid window and sprite, in the viewing area of reprogramming valid window and sprite at least one can also comprise: when existing when overlapping, according to the precedence information of being stored, change the viewing area that does not have one of the program valid window of priority and sprite with respect to another of program valid window and sprite.
Described method can also comprise that the position locomotive function of program valid window and sprite is set to the On/Off state, in the viewing area of reprogramming valid window and sprite at least one can comprise: the vision signal in control of video source provides device and carries out one of PIP processor of PIP processing, when existing overlapping region and position locomotive function to be set to opening with box lunch, according to precedence information, another does not have the position, viewing area of one of the program valid window of priority and sprite to mobile phase for program valid window and sprite.
Described method can also comprise the display region information to video source requestor valid window, and the display region information of display region information by the program valid window in source frequently that reception is considered oneself as and sprite compares and determines whether to exist the overlapping region.
Video source can comprise that the vision signal of exporting first vision signal provides device, the existence of determining the overlapping region can comprise: provide device based on vision signal, the display region information of the program valid window that is provided by the video source that receives request signal is provided.
The program valid window of key frame can comprise the visually frame area border, viewing area, the program valid window of partition program valid window, and sprite can comprise second frame area border, second viewing area, sprite of visually dividing sprite.
By providing a kind of display system that comprises controller also can realize the above-mentioned and/or others of general conception of the present invention, described controller is according to the priority of key frame and sprite, automatically changes the characteristic of one of the key frame that will show on screen and sprite.
By providing a kind of display system that comprises controller also can realize the above-mentioned and/or others of general conception of the present invention, described controller moves setting and whether have the definite of overlapping region, the characteristic of one of the key frame that change will show and sprite between key frame and sprite on screen according to priority, the position of key frame and sprite.
By providing a kind of display system that comprises processing unit and controller also can realize the above-mentioned and/or others of general conception of the present invention, described processing unit receives first signal and secondary signal, so that produce the key frame and the sprite that will be presented on the screen according to first signal and secondary signal respectively, described controller changes in the viewing area of the viewing area of key frame and sprite at least one viewing area characteristic of one of them at least with respect to screen, so that remove the overlapping region between the viewing area of program valid window and sprite.
By providing a kind of display system that comprises processing unit and controller also can realize the above-mentioned and/or others of general conception of the present invention, described processing unit receives first signal and secondary signal, so that produce the key frame and the sprite that will be presented at primary importance and the second place on the screen according to first signal and secondary signal respectively, described controller determines whether there is the overlapping region between the primary importance and the second place, so that according to whether exist the overlapping region determine in the primary importance and the second place at least one changed to the 3rd position, and controlled processing unit produce to be presented at respectively with the primary importance and the second place on the corresponding position changing, and another locational key frame and sprite in the primary importance and the second place.
By a kind of display part that comprises is provided, the display system of processing unit and controller also can realize the above-mentioned and/or others of general conception of the present invention, described display part has screen, described processing unit receives first signal and secondary signal, and determine and the first of first signal and the corresponding screen of secondary signal and the second portion of screen, described controller determines whether there is the overlapping region between first and second portion, determine the third part with one of first and second portion corresponding screen, and according to first signal, the third part of secondary signal and screen produces key frame and sprite.
By providing a kind of display system that comprises main frame and display device also can realize the above-mentioned and/or others of general conception of the present invention, described main frame produces first signal, described display device has processing unit, be used to receive from first signal input of main frame with from the secondary signal of external equipment and import, so that produce the key frame and the sprite that will be presented on the screen respectively according to first signal and secondary signal, described display device also has controller, the viewing area that is used for changing the viewing area of key frame and sprite with respect to screen is at least one the viewing area characteristic of one of them at least, so that remove the overlapping region between the viewing area of program valid window and sprite.
Description of drawings
According to the description of following embodiment, in conjunction with the accompanying drawings, these of general conception of the present invention and/or others and advantage will become apparent and be easier to understand, among the figure:
Fig. 1 shows the program valid window that shows and the overlapping region between the sprite in conventional display system;
Fig. 2 shows the controlling party block diagram of the display system of the general conception embodiment according to the present invention;
Fig. 3 shows the controlling party block diagram of the display system of the general conception embodiment according to the present invention;
Figure 4 and 5 show the control flow chart of the method for display system among Fig. 2;
Fig. 6 shows the control flow chart of the operation that determines whether to exist the overlapping region in the display system method of Fig. 4;
Fig. 7 and 8 shows the control flow chart of method of the display system of Fig. 3;
Fig. 9 shows the control flow chart of the operation that determines whether to exist the overlapping region in the display system method of Fig. 7;
The display system that Figure 10 A, 10B and 10C show the general conception embodiment according to the present invention moves and changes the diagram of sprite;
The display system that Figure 11 A, 11B and 11C show the general conception embodiment according to the present invention moves the diagram with the reprogramming valid window;
Figure 12 shows the diagram of the frame area of sprite and program valid window in the display system of the general conception embodiment according to the present invention; And
Figure 13 shows the control flow chart of the method for the display device of general conception embodiment according to the present invention.
Embodiment
Embodiments of the present invention is described in detail now, demonstrated example of the present invention in the accompanying drawings, wherein runs through reference number similar among the figure and represent similar assembly.Below by with reference to the accompanying drawings embodiment being described, so that explain general conception of the present invention.
As shown in Figure 2, the display system 300 of general conception comprises according to the present invention: provide the computer 100 of first vision signal, as first video source; And display device 200, first vision signal of receiving computer 100 and from second vision signal as the external equipment 20 of second video source is shown as key frame and sprite with first and second vision signals respectively so that handle by PIP on the screen of display device 200.Display device 200 comprises: external video importation 52 receives second vision signal from external equipment 20; Processing section 50 has PIP processor 56 and video processor 58, to handle first and/or second vision signal, display part 80, shows and has handled first and/or second vision signal; And display controller 75.
Computer 100 and display device 200 comprise controller 60, determine between second viewing area of first viewing area of key frame and sprite, whether have the overlapping region, and when having the overlapping region, in first and second viewing areas of change PC program valid window and sprite at least one is so that remove the overlapping region.When producing windows from computer 100 as the key frame that shows will first viewing area at the screen of display device 200, this window is called program valid window or personal computer (PC) program valid window, so that it is presented on the part screen of display device 200.In addition, PC program valid window can comprise: subwindow has and the corresponding icon of joystick key, so that be controlled at the image that shows in the PC program valid window; And second subwindow, have the sub-screen of display image.Second subwindow can be arranged on the subwindow zone on every side.When display device 200 and computer 100 can form single main body as portable computer or laptop computer, display device 200 rotatable continuous portable computer or laptop computers 200, the single main body of portable computer or laptop computer comprises the memory cell that is arranged on wherein, is used to produce the signal of one of first and second vision signals as first and second video source.Promptly, can produce first vision signal from memory cell links to each other with display controller 75 or PIP processor 56 with second vision signal and with it, thereby will offer PIP processor 56 with first vision signal or the corresponding signal of second vision signal, as key frame (program valid window) or sprite.
Controller 60 comprises: be arranged on the computer control 65 in the computer 100, display region information to display device 200 request sprites, and, determine whether to exist the overlapping region by to comparing based on the display region information of the PC program valid window of first vision signal that offers display device 200 with from the display region information of the sprite that provides with the corresponding display device 200 of request; Storage area 62; User input part 40; And be arranged on display controller 75 in the display device 200, and when the request signal that receives from computer 100, handle based on PIP, the display region information of the sprite of being asked is provided to computer 100.Computer control 65 can communicate by DDC (DDC) communication line and display controller 75.
With reference to figure 2, provide the computer 100 of first vision signal to comprise graphics card 30 as first video source to display device 200, provide device as the vision signal that first vision signal (below be called the PC vision signal) is provided to display device 200.The user is by user input part 40 input commands or the input signal of for example mouse (not shown) and keyboard (not shown).The input signal that input signal processor 45 is handled by user input part 40 inputs.Storage area 62 is stored information therein.Computer control 65 is according to the integrated operation of controlling computer 100 from the input signal of input signal processor 45 and/or user input part 40.Integrated operation can comprise: according to carrying out the PC program from the input signal of input signal processor 45, and control graphics card 30 provides PC vision signal, so that show the valid window of performed PC program on display device 200.
User input part 40 comprises: overlapping demonstration improvement part, and being used for overlapping demonstration is improved function setting is opening, and improves the demonstration of overlapping region; The position locomotive function is provided with device, and the position locomotive function of PC program valid window and sprite is set to the On/Off state; And priority is provided with device, is used to be provided with the priority of PC program valid window and sprite.Here, can use mouse, by be presented at state on the display device 200 adjust the UI menu with overlapping demonstration improve function setting be opening, can by utilize double-click one of the PC program valid window that is presented on the display device 200 and sprite its be set to opening, maybe can be by utilizing display device 200 the disc type icon (tray icon) of window be provided with.
Computer control 65 is controlled the integrated operation of computer 100 from the input signal of user input part input according to input signal processor 45.
Computer control 65 can control store part 62, so that the PC program valid window that storage is provided with by user input part 40 and the precedence information of sprite, and the On/Off configuration information of the position locomotive function of the PC program valid window that is provided with by user input part 40 of storage and sprite.
Computer control 65 determines whether that by user input part 40 overlapping demonstration being improved function is made as opening, so that by reducing or preventing that the overlapping region from improving the show state of overlapping region.When overlapping demonstration improvement function was made as opening, computer control 65 was to the display region information of display device 200 request sprites.When display device 200 provided and asks the display region information of corresponding sprite, computer control 65 determined whether there is the overlapping region between the display region information of the display region information of the sprite that receives and PC program valid window.Computer control 65 can have from the display region information of the PC program valid window of graphics card 30 generations of computer 100, maybe can receive the display region information from the PC program valid window of the display device 200 that shows PC program valid window.Computer control 65 can be by the display region information of sprite relatively display element information with from the display region information of graphics card 30 detected PC program valid windows, and determine that whether sprite and PC program valid window have identical viewing area (display element) at the screen of display device 200, determines whether to exist the overlapping region.
When computer control 65 and display controller 75 communicated by the DDC communication line, computer control 65 can be determined the display device 200 current PIP functions of whether carrying out.Therefore, even when overlapping demonstration improvement function being made as opening by user input part 40, when display device 200 was not carried out the PIP function, computer 65 can not be asked the display region information of sprite and be can not determine whether there is the overlapping region.
When determining that the result determines to have the overlapping region, computer control 65 is according to the information of storage area 62, the priority of recognin picture and PC program valid window and the On/Off state of position locomotive function.
When definite position locomotive function is set to opening and sprite when having priority with respect to PC program valid window, computer control 65 control graphics cards 30 are so that position, viewing area by mobile PC program valid window or the size that changes the PC program valid window that shows on the screen of display device 200 remove the overlapping region.Even before determining after the position, viewing area of mobile PC program valid window, still to have at least a portion during existing overlapping region, computer control 65 control graphics cards 30 are so that the display area size of mobile PC program valid window removes at least a portion overlapping region by changing.Here, overlapping demonstration improves function setting device, priority and device and position locomotive function is set device is set can be by the controller 60 functional functional configuration that constitute (for example software), rather than the hardware configuration that is made of user input part 40.In other words, carrying out overlapping demonstration by controller 60 improves function setting device, priority all functions that device and position locomotive function are provided with device is set.In addition, preferably, carry out overlapping demonstration by the computer control 65 of controller 60 and improve function setting device, priority the function that device and position locomotive function are provided with device is set.
Promptly, computer control 65 control graphics cards 30, but so that according to the display element information of the viewing area of display device 200 and the viewing area (display element information) of sprite, change the display position and the size of PC program valid window, so that, rather than the viewing area of change sprite not overlapping with the viewing area of sprite.To 11C this operation is described with reference to figure 11A.
With reference to figure 2,11A, 11B and 11C, when from external equipment 20 input second vision signals and display device 200 execution PIP functions, the PC video 85 that the display part 80 of display device 200 will have PC program valid window 83 is shown as key frame, the sprite 82 of corresponding second vision signal.Shown in Figure 11 A, sprite 82 is included in the PC program valid window 83, and the viewing area of sprite 82 becomes the overlapping region.In this case, the viewing area of sprite 82 is identical with overlapping region 84.When the user improves function setting with overlapping demonstration is that opening and PC program valid window 83 be not when having priority with respect to sprite 82, but along second display position (second viewing area) in the viewing area that is not included in sprite 82 in the viewing area that the direction of arrow 87 moves to display device 200 with the display position or the viewing area of PC program valid window, so that second display position of PC program valid window and the viewing area of sprite 82 are not overlapping, but and the program of the mobile PC valid window of second display position that will move to the viewing area of display device 200 be shown as the 2nd PC program valid window 83a.Reference number 42 is illustrated in one or more buttons or the button that forms on the shell of display device 200, so that the function of control display device 200.Because button 42 links to each other with display controller 75, the user can move, adjust and change in sprite 82 and the PC program valid window 83 operation of at least one by operating buttons 42 controls, so that removal overlapping region 84.
When PC program valid window does not have priority with respect to sprite 82, move the display position of the 2nd PC program valid window 83a, between sprite 82 and the 2nd PC program valid window 83a, there is not the overlapping region, do not change the display size of the 2nd PC program valid window 83a.
Yet, as shown here, between the part viewing area of part second viewing area of the 2nd PC program valid window 83a and sprite 82, still have the second overlapping region 84a.So, but the 2nd PC program valid window 83a is adjusted to the 3rd display part or the 3rd viewing area in the viewing area that is not included in sprite 82 in the viewing area of display device 200 along the direction of arrow 87a, so that the viewing area of the 3rd viewing area and sprite 82 is not overlapping, and will moves the 2nd PC program valid window and be shown as the 3rd PC program valid window 83b.
When between parton picture 82 and PC program valid window 83, having overlapping region 84 (with reference to figure 11C), when carrying out PIP function and user when overlapping demonstration is improved function and is made as opening, but will move to the new viewing area in the viewing area that is not included in sprite 82 in the viewing area of display device 200 along the direction of arrow 87c with respect to the PC program valid window 83 that sprite 82 does not have priority, so that the viewing area of new viewing area and sprite 82 is not overlapping, and the PC program valid window 83 that will be moved to new viewing area is shown as the 4th PC program valid window 83d.
Recognition result according to the On/Off of priority and position locomotive function, when definite position locomotive function is set as closed condition and sprite 82 when having priority with respect to PC program valid window 83, computer control 65 control graphics cards 30, change the display area size of PC program valid window 83, to remove overlapping region 84.
Promptly, computer control 65 control graphics cards 30, but change is with respect to the display area size of the PC program valid window 83 of the viewing area of the screen of display device 200, so that not overlapping with the viewing area of sprite 82, rather than changes the viewing area of sprite 82.To this operation be described with reference to figure 11B.
Shown in Figure 11 B, but when carrying out the PIP function so that when in the viewing area of the screen of display device 200, showing sprite 82 and PC program valid window 83, the user improves function with overlapping demonstration and is made as opening, and PC program valid window 83 does not have priority with respect to sprite 82, along the direction of arrow 87b PC program valid window 83 is moved to new viewing area in the viewing area that is not included in sprite 82, so that the viewing area of new viewing area and sprite 82 is not overlapping, and the PC program valid window 83 that will be moved to new viewing area is shown as the 5th PC program valid window 83c.
When definite position locomotive function is set to opening and PC program valid window 83 when having priority with respect to sprite 82, computer control 65 is to display device 200 output sprite control signals, but so that come the position, viewing area of mover picture 82, so that remove or prevent overlapping region 84 with respect to the viewing area of sprite 82 or display device 200.Even when still exist after the position, viewing area at mover picture 82 overlap regional 84 the time, computer control 65 is to display device 200 output sprite control signals, so that change the display area size of mover picture 82, remove or prevent overlapping region 84 thus.Alternatively, computer control 65 is to display device 200 output sprite control signals, but so that according to the display region information separately of whole viewing area, sprite 82 and the PC program valid window 83 of display device, but with respect to the position, viewing area of the viewing area mover picture 82 of display device 200 and change its display area size simultaneously, prevent or remove the overlapping region thus.
Promptly, computer control 65 is to display device 200 output sprite control signals, but so that according to the display element information of the whole viewing area of display device and the viewing area (display element information) of PC program valid window 83, the viewing area of mover picture 82 also changes its display area size, so that not overlapping, and need not to change the viewing area of PC program valid window 83 with the viewing area of PC program valid window 83.
When definite position locomotive function is set to closed condition and PC program valid window 83 when having priority with respect to sprite 82, computer control 65 is to display device 200 output sprite control signals, so that change the display area size of sprite 82 and remove overlapping region 84.Promptly, computer control 65 is to display device 200 output sprite control signals, but so that according to the display element information of the whole viewing area of display device and the viewing area (display element information) of PC program valid window 83, change the display area size of sprite 82, so that not overlapping with the viewing area of PC program valid window 83.
Here, when the position locomotive function is set to one whole viewing area in closed condition and PC program valid window 83 and the sprite 82 when being included among another, preferably, according to the present invention, computer control 65 undos (for example, control graphics card 30 or output sprite control signal are with the processing overlapping zone).
Return with reference to figure 2, in display device 200, second vision signal that external video importation 52 receives from external equipment 20, PIP processor 56 is handled from the PC vision signal of computer 100 inputs and is passed through second vision signal that external video importation 52 is imported, so that on display part 80, the PC vision signal and second vision signal are shown as key frame and sprite respectively by the PIP processing, video processor 58 is handled the vision signal of being handled by PIP processor 56, so that it is presented on the display part 80, and when the request signal that receives from computer 100, display controller 75 is handled according to the PIP of PIP processor 56, and the sprite display region information is offered computer 100.
When carrying out the PIP function, display controller 75 control PIP processors 56 are shown as first vision signal (PC vision signal) key frame and will be shown as sprite from second vision signal of external equipment 20.When display controller 75 communicated by DDC communication line and computer control 65, display controller 75 can carried out the PIP function to computer control 65 notices.
When from computer control 65 input request signals during with the display region information of request sprite 82, display controller 75 is handled according to the PIP of PIP processor 56, and the display region information of sprite 82 is provided to computer control 65.Then, display controller 75 determines whether computer control 65 exports the sprite control signal, so that carry out following operation one of at least: but with respect to the position, viewing area of the viewing area mover picture 82 of PC program valid window and/or display device 200, and change its display area size.When input sprite control signal, display controller 75 moves and/or the display position of change sprite 82 and at least one in the size according to sprite control signal control PIP processor 56.
Here, from computer control 65 output sprite control signals, but so that according to the display element information of the whole viewing area of display device 200 and the viewing area (display element information) of PC program valid window 83, carry out the position, viewing area of mover picture 82 and change in its display area size operation at least one, so that it is not overlapping with the viewing area of PC program valid window 83, described sprite 82 does not have priority with respect to PC program valid window 83, and does not change the viewing area of PC program valid window 83.Display element information and the viewing area that can represent sprite and PC program valid window 83 by coordinate, for example level and the vertical direction of the screen of two dimension, two or display device 200.
With reference to figure 2,10A, 10B and 10C, will operation that move and/or change the display position of sprite 82 of display device 200 and the display size at least one according to the sprite control signal from computer 100 inputs be described.When carrying out the PIP function, the display part 80 of display device 200 shows the PC video 85 of the PC program valid window 83 with key frame, and shows sprite 82.Shown in Figure 10 A, sprite 82 can be included in the PC program valid window 83, and the whole viewing area of sprite 82 can have the overlapping region 84 with PC program valid window 83.PC video 85 can have and wherein is provided with PC program valid window showing the first with the corresponding image of first vision signal, and the second portion that PC program valid window wherein is not set.Here, Figure 10 A and 10B show the display device 200 when the position locomotive function is made as opening, and Figure 10 C shows the display device 200 when the position mobile status is made as closed condition.
Shown in Fig. 2 and 10A, when definite position locomotive function is set to opening and PC program valid window 83 when having priority with respect to sprite 82, the sprite control signal that display controller 75 receives from computer control 65.Display controller 75 is according to sprite control signal control PIP processor 56, but change and/or mobile phase are for the display position and the display size of the sprite 82 of the viewing area of PC program valid window 83 or display device.Promptly, according to the sprite control signal, but sprite 82 is moved to along the direction of arrow 86 in second viewing area in the viewing area that is not included in PC program valid window 83 in the whole viewing area of display device 200, so that the viewing area of second viewing area of sprite 82 and PC program valid window 83 is not overlapping, and sprite 82 is shown as the second sprite 82a.Yet, shown in Figure 10 A, when the overlaid of the part viewing area of part second viewing area of mover picture 82a and PC program valid window 83, still have the regional 84a of overlapping.So, can be according to the sprite control signal, but will move the second sprite 82a along the direction of arrow 86a and adjust to the 3rd viewing area in the viewing area that is not included in PC program valid window 83 in the whole viewing area of display device 200, the viewing area of the 3rd viewing area and PC program valid window 83 is not overlapping, and sprite 82 is shown as the 3rd sprite 82b.
With reference to figure 10B, when definite position locomotive function is set to opening and PC program valid window 83 when having priority with respect to sprite 82, the sprite control signal that display controller 75 receives from computer control 65.Then, can be according to the sprite control signal, but sprite 82 is moved to the 4th viewing area in the viewing area that is not included in PC program valid window 83 in the whole viewing area of display device 200 along the direction of arrow 86b, so that the viewing area of the 4th viewing area and PC program valid window 83 is not overlapping, and sprite 82 is shown as the 4th sprite 82c.The display position of sprite 82 that does not have priority for PC program valid window 83 when mobile phase does not change the display size of the 4th sprite 82c when removing PC program valid window 83 and having moved overlapping region 84 between the 4th sprite 82c.
Shown in Figure 10 C, when carrying out the PIP function, when parton picture 82 and PC program valid window 83 are overlapping, still there is overlapping region 84.When definite position locomotive function is set as closed condition and PC program valid window 83 when having priority with respect to sprite 82, the sprite control signal that display controller 75 receives from computer control 65.Then, display controller 75 is according to sprite control signal control PIP processor 56, so that change the display size of sprite 82.Promptly, according to the sprite control signal, sprite 82 is moved, changes or adjusts to the 5th viewing area in the viewing area that is not included in PC program valid window 83 along the direction of arrow 86c, so that the viewing area of the 5th viewing area and PC program valid window 83 is not overlapping, and sprite 82 is shown as the 5th sprite 82d.When adjusting the display size of sprite 82, can change at least one characteristic or the attribute of sprite 82, for example the width and the aspect ratio of the resolution of sprite 82 and/or sprite 82.
In the above-described embodiments, display device 200 shows key frame and single sprite, but the present invention is not limited thereto.Alternatively, can show a plurality of sprites, and storage is as the PC program valid window of key frame and the priority of a plurality of sprites.Can determine priority by computer control 65, display controller 75.The user can come input priority by one or more buttons 42 and/or user input part 40.In addition, can differently adjust the display size of PC program valid window 83 and sprite 82 according to priority.
When external equipment 20 comprised the broadcasting station, second vision signal can comprise broadcast singal.When external equipment 20 comprised video player, second vision signal can comprise the vision signal of the recording medium reproducing from video player.When external equipment 20 comprised the communication network that is used for visual telephone, second vision signal can comprise and the individual video signal corresponding of conversing by visual telephone.When external equipment 20 is by the internet during with equipment that external video importation 52 links to each other, second vision signal can comprise the vision signal by Internet transmission.That is, external video importation 52 can be set differently, so that receive vision signal from various external equipments 20.In addition, second vision signal can change form according to the type of external equipment 20.
Figure 10 A shows PC program valid window 83 and sprite 82 to 10C, does not wherein comprise the frame area of dividing the border, viewing area.Yet the PC program valid window 83 of key frame also comprises frame area, visually divides or indicated the border, viewing area of PC program valid window 83.Sprite 82 also comprises frame area, visually divides or indicated the border, viewing area of sprite 82.
When the PC of key frame program valid window 83 comprises viewing area and frame area thereof, and when sprite 82 comprises viewing area and frame area thereof, can determine that the frame area of PC program valid window 83 and the frame area overlapping areas of sprite 82 are not included in the overlapping region 84.In addition, can determine that the frame area of PC program valid window 83 and the viewing area overlapping areas of sprite 82 and the viewing area of PC program valid window 83 and the frame area overlapping areas of sprite 82 are not included in the overlapping region 84.When the actual video that offers the user was not presented on the frame area of PC program valid window 83 or sprite 82, even the frame area of PC program valid window 83 and sprite 82 is overlapping, the user also can watch video without difficulty.Overlapping region 84 can comprise part viewing area and frame area, maybe can comprise the part frame zone.As mentioned above, when the part frame region overlapping, when the part viewing area is not overlapping, can determine not exist the overlapping region.
Figure 12 shows PC program valid window 83 and the viewing area of sprite 82 and the diagram of frame area of key frame.
To 10C and 12, remove overlapping region 84 with respect to the sprite 82 that PC program valid window 83 does not have priority with reference to figure 2,10A by change.Here, do not have to change with PC program valid window 83 corresponding viewing areas and indicated the frame area 83 ' on border of viewing area that has the PC program valid window 83 of priority with respect to sprite 82.On the contrary, the viewing area 82d and the frame area 82d ' (with reference to figure 10C) of sprite 82 have been changed.When the frame area 83 ' of the frame area 82d ' of sprite 82 and PC program valid window 83 is overlapping, the frame area 82d ' overlapping areas of the frame area 83 ' of PC program valid window 83 and sprite 82 can not be defined as overlapping region 84.Therefore, can change (move or adjust) sprite 82, up to the frame area 83 ' of PC program valid window 83 and the frame area 82d ' overlaid of sprite 82.
Figure 4 and 5 show the control flow chart of method of the display system 300 of Fig. 2, and Fig. 6 shows the control flow chart of the operation that determines whether to exist the overlapping region in definite method of Fig. 4.Purpose for convenience is illustrated as solid line with the control operation of computer 100, and the control operation of display device 200 is illustrated as dotted line.
With reference to figure 2,4,5 and 6, at operation S10, computer control 65 determines that whether display device 200 is by carrying out (realization) PIP function with communicating by letter of display controller 75.When definite display device 200 was carried out the PIP function, at operation S12, computer control 65 determined whether that by user input part 40 overlapping demonstration being improved function setting is opening.When the definite result according to operation S12 determined that overlapping demonstration improvement function is set to opening, at operation S14, computer control 65 determined whether there is overlapping region 84 between PC program valid window 83 and sprite 82.With reference to figure 6, will describe the operation S14 of the existence of determining the overlapping region below in detail.
When carrying out the PIP function overlapping demonstration being improved function setting and be opening, at operation S1, computer control 65 is to the display region information of display device 200 request sprites 82.At operation S2, display controller 75 is to providing the display region information of sprite 82 with asking corresponding computer control 65.Then, at operation S3, each display element information of the display region information of the display region information of 65 pairs of sprites that receive 82 of computer control and PC program valid window 83 compares.Can detect the display region information of PC program valid window 83 by computer control 65 or display controller 75 from graphics card 30.At operation S4, computer control 65 is determined at sprite 82 according to the comparative result of operation S3 and is had between the PC program valid window 83 of identical viewing area (display element) whether have the overlapping region.
When operation S14 determines to have the overlapping region, at operation S16, computer control 65 determines according to the information that is stored in storage area 62 whether sprite 82 has priority with respect to PC program valid window 83.When sprite 82 had priority with respect to PC program valid window 83, at operation S20, computer control 65 determined according to the information of storage area 62 whether the position locomotive function is set to opening.When the position locomotive function was set to opening, at operation S22, computer control 65 can be controlled graphics card 30, and the position, viewing area of mobile PC program valid window 83 is so that remove overlapping region 84.Then, at operation S24, computer control 65 determines whether still there is the zone 84 of overlapping between PC program valid window 83 and sprite 82.When determining still to have the overlapping region, at operation S26, computer control 65 control graphics cards 30 change the display area size of (adjustment) PC program valid window 83, so that remove the zone 84 of overlapping.
Here, when when operation S20 determines that the position locomotive function is set to closing function, at operation S28, computer control 65 control graphics cards 30 change the display area size of (adjustment) PC program valid window 83, so that remove overlapping region 84.
Simultaneously, as operation S16 when determining that sprite 82 does not have priority with respect to PC program valid window 83, by in the connection layout 5 1. and the 2. operation of execution graph 5.That is, at operation S30, computer control 65 determines according to the information of storage area 62 whether the position locomotive function is set to opening.When the position locomotive function is set to opening, at operation S32, but computer control 65 is according to the display element information of the whole viewing area of display device 200 and the viewing area (display element information) of PC program valid window 83, to the viewing area position of display device 200 output sprite control signals, thereby remove overlapping region 84 with mover picture 82.Then, at operation S34, display controller 75 receives the sprite control signal, and at operation S36, control PIP processor 56 is so that come the position, viewing area of mover picture 82 according to the sprite control signal that receives.At operation S38, computer control 65 determines whether still there is the zone 84 of overlapping between sprite 82 that has moved and PC program valid window 83.When determining still to have overlapping region 84, computer control 65 is to the display area size of display device 200 output sprite control signals with change sprite 82, thus removal overlapping region 84.At operation S40, display controller 75 is according to the sprite control signal control PIP processor 56 that receives from computer control 65, so that change the display area size of sprite 82.
Here, when when operation S30 determines that the position locomotive function is set to closed condition, at operation S42, but computer control 65 is according to the display element information of the whole viewing area of display device 200 and the viewing area (display element information) of PC program valid window 83, to the display area size of display device 200 output sprite control signals, thereby remove overlapping region 84 with change sprite 82.Then, at operation S44, display controller 75 receives the sprite control signal, and at operation S46, and according to the sprite control signal control PIP processor 56 that receives, so that change the display area size of sprite 82.
Here, Fig. 6 shows the operation S14 that carries out between operation S12 and S16.Can come the operation S24 and the S38 of execution graph 5 by the operation S1 among Fig. 6 to S4.
As mentioned above, by simple manipulation (promptly, it is opening that overlapping demonstration is improved function setting), display system 300 and control method thereof and be included in computer 100 in the display system 300 of the general conception according to the present invention and display device 200 can be removed overlapping region 84 between PC program valid window 83 and the sprite 82 are effectively imported one or more key inputs and are controlled overlapping region 84 and need not the user.
As shown in Figure 3, a kind of display system 300 ' of the embodiment of general conception comprising according to the present invention: provide the computer 100 ' of first vision signal, as video source; And display device 200 ', first vision signal of receiving computer 100 ' and from second vision signal of external equipment 20 is shown as key frame and sprite with first vision signal and second vision signal respectively so that handle by PIP on the screen of display device 200 '.Can carry out PIP in processing section 50 handles.Computer 100 ' and display device 200 ' comprise controller 60 ', determine between the viewing area of the viewing area of key frame and sprite, whether have the overlapping region, and when having the overlapping region, the viewing area of at least one in change key frame and the sprite is so that remove or prevent the overlapping region.Here, because first vision signal can be that the signal of program (or the PC program) generation according to computer 100 ' is so that display image or text are referred to as image or the text that program (or PC program) is exported with key frame.Therefore, the viewing area with key frame is called program valid window (PC program valid window).
Controller 60 ' comprising: be arranged on the computer control 65 ' in the computer 100 ', provide display region information based on the PC program valid window of first vision signal that sends to display device 200 ' to display device 200 '; Be arranged on the display controller 75 ' in the display device 200 ', the relatively display region information of the PC program valid window that receives from computer 100 ' and the display region information of sprite are to determine whether to exist the overlapping region; Show storage area 72; Input signal processor 45 '; And user input part 40.Computer control 65 ' can communicate by DDC communication line and display controller 75 '.
Below, with the display system of describing in detail according to present embodiment 300 '.
Display device 200 ' receives from first vision signal (hereinafter being referred to as the PC vision signal) as the computer 100 ' of video source.Display device 200 ' comprises display part 80; Reception is from the external video importation 52 of second vision signal of external equipment 20; PIP processor 56 receives from the PC vision signal of computer 100 ' and second vision signal of importing by external video importation 52, so that respectively the PC vision signal and second vision signal are shown as key frame and sprite respectively by the PIP processing; Video processor 58 is handled the vision signal handled by PIP processor 56 so that be presented on the display part 80; User input part 40 ' is configured to by user input commands, for example operating buttons (not shown) or be arranged on remote controller (not shown) on the shell of display device 200 '; Input signal processor 45 ' is handled the input signal (or order) by user input part 40 ' input; The demonstration storage area 72 of stored information wherein; And display controller 75 ', according to the integrated operation of controlling display device 200 ' from the input signal of input signal processor 45 ' input, so that control PIP processor 56 and video processor 58 are carried out the PIP function.
User input part 40 comprises: overlapping demonstration improvement part, and being configured to overlapping demonstration is improved function setting is opening, and improves the demonstration of overlapping region and prevent the overlapping region; The position locomotive function is provided with device, and the position locomotive function of PC program valid window and sprite is set to the On/Off state; And priority is provided with device, is used to be provided with the priority of PC program valid window and sprite.Here, can be opening by state adjustment user interface (UI) menu that is presented on the display device 200 ' with overlapping demonstration improvement function setting by utilizing joystick key (not shown) and remote controller (not shown).The user can will be provided with overlapping demonstration improvement function, maybe can be provided with by the tray icon that utilizes window by utilize double-clicking one of the PC program valid window that is presented on the display device 200 ' and sprite.Can come the generation state to adjust the UI menu from one of computer control 65 ' and display controller 75 ', so that be presented on the screen of display part 80.
Display controller 75 ' is according to the integrated operation of controlling display device 200 ' by input signal processor 45 ' from the input signal of user input part 40 ' input.Display controller 75 ' can control store part 72, so that the PC program valid window that storage is provided with by user input part 40 ' and the precedence information of sprite, and/or the On/Off configuration information of the position locomotive function of PC program valid window that is provided with by user input part 40 ' and sprite.
Display controller 75 ' determines whether that by user input part 40 ' overlapping demonstration being improved function setting is opening, to change the demonstration of overlapping region.When overlapping Presentation Function was set to opening, display controller 75 ' was to the display region information of computer 100 ' request PC program valid window.When computer 100 ' provided and asks the display region information of corresponding PC program valid window, display controller 75 ' determined whether there is the overlapping region between the display region information of the display region information of PC program valid window and sprite.Each display element information of the display region information that display controller 75 ' can be by relatively 56 more detected from the PIP processor, PC program valid window and the display region information of sprite, and whether definite sprite have identical viewing area (display element) with PC program valid window, determines the existence of overlapping region.Display controller 75 ' can be handled the display region information that obtains PC program valid window from the key of first vision signal and/or user input part 40 '.Display controller 75 ' can also utilize the coordinate of the screen of display part 80 to calculate the display element information of the display region information of PC program valid window.
When computer 100 ' periodically provides the display region information of PC program valid window, display controller 75 ' can periodically receive the display region information from the PC program valid window of computer 100 ', rather than asks the display region information of PC program valid window to computer 100 '.When periodically importing the display region information of PC program valid window, by user input part 40 ' overlapping demonstration being improved function setting is under the situation of opening, and display controller 75 ' determines whether to exist the overlapping region to improve the demonstration of overlapping region.
Therefore, even when overlapping demonstration improvement function setting being opening by user input part 40 ', display controller 75 ' can not asked the display region information and the uncertain overlapping region that whether exists of PC program valid window according to the display region information of PC program valid window input periodically, that receive when not carrying out the PIP function when display device 200 ' is current yet.
When determining to have the overlapping region according to above-mentioned definite result, display controller 75 ' comes the priority of recognin picture and PC program valid window and the On/Off of position locomotive function that state is set according to being stored in the information that shows in the storage area 62.
When definite position locomotive function is set to opening and PC program valid window when having priority with respect to sprite, the position, viewing area of display controller 75 ' control PIP processor 56 mover pictures is so that remove or prevent the overlapping region.When even still overlapped in the zone in existence at least after the position, viewing area at the mover picture, display controller 75 ' control PIP processor 56 changes the display area size of mover picture, removes or prevent the overlapping region thus.Here, overlapping demonstration improves function setting device, priority and device and position locomotive function is set device is set can be functional configuration (for example software) by controller 60 ' functional formation, rather than the hardware configuration that is made of user input part 40 '.In other words, carrying out overlapping demonstration by controller 60 ' improves function setting device, priority all functions that device and position locomotive function are provided with device is set.In addition, preferably, carry out overlapping demonstration by the display controller 75 ' of controller 60 ' and improve function setting device, priority the function that device and position locomotive function are provided with device is set.
Promptly, display controller 75 ' control PIP processor 56, but so that according to the display element information of the whole viewing area of display device 200 ' and the viewing area (display element information) of PC program valid window, change the display position and the size of sprite, so that, rather than the viewing area of change PC program valid window not overlapping with the viewing area of PC program valid window.With reference to figure 10A and 10B aforesaid operations is described.
With reference to figure 3,10A and 10B, when carrying out the PIP function, the display part 80 of display device 200 ' shows the PC video 85 of the PC program valid window 83 with key frame on its screen, and shows sprite 82.Shown in Figure 10 A and 10B, sprite 82 can be included in the PC program valid window 83, and the whole viewing area part of sprite 82 becomes overlapping region 84.
With reference to figure 10A, when definite position locomotive function is set to opening and PC program valid window 83 when having priority with respect to sprite 82, control by display controller 75 ', but sprite 82 is moved to along the direction of arrow 86 in second viewing area in the viewing area that is not included in PC program valid window 83 in the whole viewing area of display device 200 ', and sprite 82 is shown as the second sprite 82a.Yet, as shown in the figure, when the overlaid of the part viewing area of part second viewing area of mover picture 82a and PC program valid window 83, still have the second overlapping region 84a.Therefore, can will move the second sprite 82a along the direction of arrow 86a and adjust to the 3rd viewing area that is not included in the PC program valid window 83, so that not overlapping, and sprite 82 is shown as the 3rd sprite 82b with the viewing area of PC program valid window 83.
With reference to figure 10B, when definite position locomotive function is set to opening and PC program valid window when having priority with respect to sprite, but sprite 82 is moved to the viewing area in the viewing area that is not included in PC program valid window 83 in the whole viewing area of display device 200 ' along the direction of arrow 86b, and sprite 82 is shown as the 4th sprite 82c.When the display position of the sprite 82 that does not have priority by mobile phase for PC program valid window 83 at PC program valid window 83 with when not had the overlapping region between the mover picture 82c, do not change the display size of sprite 82c.But sprite 82 can be moved to the space between the border of viewing area of the border of PC program valid window 83 and display part 80.Depend on the space between the mover picture 82 and PC program valid window 83 and overlapping, can adjust the size or the position of mover picture 82.
The recognition result that state is set when the On/Off according to priority and position locomotive function determines that the position locomotive function is set to closed condition and PC program valid window 83 when having priority with respect to sprite 82, and display controller 75 ' control PIP processor 56 changes the display area size of sprites 82 to remove the overlapping region.
Promptly, but display controller 75 ' changes the display size of sprite 82 according to the viewing area (display element information) of the display element information of the whole viewing area of display device 200 ' and PC program valid window 83, so that, rather than the viewing area of change PC program valid window 83 not overlapping with the viewing area of PC program valid window 83.With reference to figure 10C aforesaid operations is described.
When carrying out the PIP function, the display part 80 of display device 200 ' shows the PC video 85 with PC program valid window 83 as key frame, and shows sprite 82.Shown in Figure 10 C, when parton picture and PC program valid window 83 are overlapping, there is overlapping region 84.
When definite position locomotive function is set to closed condition and PC program valid window 83 when having priority with respect to sprite 82, sprite 82 is adjusted to the 5th viewing area in the viewing area that is not included in PC program valid window 83 along the direction of arrow 86c, so that not overlapping, and sprite 82 is shown as the 5th sprite 82d with the viewing area of PC program valid window 83.
When definite position locomotive function is set to opening and sprite 82 when having priority with respect to PC program valid window 83, display controller 75 ' is to computer 100 ' output PC valid window control signal, so that the overlapping region is removed or prevented in the position, viewing area of mobile PC program valid window 83 thus.Even when still having the overlapping region after the position, viewing area of having moved PC program valid window 83, display controller 75 ' is to computer 100 ' output PC valid window control signal, so that change the display area size of PC program valid window 83, remove the overlapping region thus.Alternatively, display controller 75 ' can be to computer 100 ' output PC valid window control signal, but so that according to the display region information separately of whole viewing area, sprite 82 and the PC program valid window 83 of display device 200 ', the position, viewing area of mobile PC program valid window 83 also changes its display area size simultaneously, removes the overlapping region thus.
Display controller 75 ' is to computer 100 ' output PC valid window control signal, but so that according to the display element information of the whole viewing area of display device 200 ' and the viewing area (display element information) of sprite, the viewing area of mobile PC program valid window 83 also changes its display area size, so that not overlapping, and need not to change the viewing area of sprite 82 with the viewing area of sprite 82.
When definite position locomotive function is set to closed condition and sprite 82 when having priority with respect to PC program valid window 83, display controller 75 ' is to computer 100 ' output PC valid window control signal, so that change the display area size of PC program valid window 83, remove the overlapping region thus.Promptly, display controller 75 ' is to computer 100 ' output PC valid window control signal, but so that according to the display element information of the whole viewing area of display device 200 ' and the viewing area (display element information) of sprite 82, change the display area size of PC program valid window 83, thus not overlapping with the viewing area of sprite.
Here, when the position locomotive function is set in closed condition and PC program valid window 83 and the sprite 82 one whole viewing area when being included in PC program valid window 83 and the sprite in another the viewing area, according to present embodiment, display controller 75 ' is not carried out the operation of one of mobile PC program valid window 83 and sprite 82.That is, display controller 75 ' is not carried out control PIP processor 56 or the corresponding PC valid window of output and overlapping region control signal.
Computer 100 ' as first video source provides first vision signal to display device 200 '.Computer 100 ' comprising: provide the graphics card 30 of device as vision signal, provide first vision signal (hereinafter being referred to as the PC vision signal) to display device 200 '; And computer control 65 ', the display region information of the PC program valid window 83 that the integrated operation of control computer 100 ' and identification send from graphics card 30 is so that send to display controller 75 ' with PC program valid window 83 and/or display region information.
The integrated operation of computer control 65 ' control computer 100 ' is for example carried out the PC program according to user's selection.When importing request signal from display controller 75 ' so that asking the display region information of PC program valid window 83, computer control 65 ' is according to the PC vision signal that offers display device 200 ' by graphics card 30, from graphics card 30, discern the display region information of PC program valid window 83, and the display region information of PC program valid window 83 is outputed to display device 200 '.Alternatively, computer control 65 ' can periodically be discerned the display region information from the PC program valid window 83 of graphics card 30, and periodically display region information is outputed to display device 200 '.When computer control 65 ' communicated by DDC communication line and display controller 75 ', computer control 65 ' can be determined the current PIP function of whether carrying out in display device 200 '.According to current the determining of PIP function of whether carrying out in display device 200 ', computer control 65 ' is periodically exported the display region information of PC program valid window 83 to display device 200 '.
Computer control 65 ' determines whether display controller 75 ' exports PC valid window control signal, so that carry out the position, viewing area of mobile PC program valid window 83 and change in its display area size at least one.When input PC valid window control signal, computer control 65 ' control graphics card 30 moves according to PC valid window control signal and/or changes the position, viewing area of PC program valid window 83 and at least one in the size.
Here, from display controller 75 ' output PC valid window control signal, but so that according to the display element information of the whole viewing area of display device 200 ' and the viewing area (display element information) of sprite 82, carry out the position, viewing area of mobile PC program valid window 83 and at least one in its display area size of change, thereby not overlapping, and need not to change the viewing area of sprite 82 with the viewing area of sprite 82.
, will describe to 11C with reference to figure 11A according to moving from the PC valid window control information of display device 200 ' and/or changing the position, viewing area of PC program valid window 83 and at least one the operation in the display area size.
With reference to figure 11A, when definite position locomotive function is set to opening and sprite 82 when having priority with respect to PC program valid window 83, the PC valid window control signal that computer control 65 ' receives from display controller 75 '.Computer control 65 ' control graphics card 30 moves and/or changes the position, viewing area and the display area size of PC program valid window 83 according to PC valid window control signal.Promptly, according to PC valid window control signal, but PC program valid window 83 is moved to along the direction of arrow 87 in second viewing area in the viewing area that is not included in sprite 82 in the whole viewing area of display device 200 ', so that not overlapping, and PC program valid window 83 is shown as the 2nd PC program valid window 83a with the viewing area of sprite 82.Yet, shown in Figure 11 A, when the overlaid of the part viewing area of part the 2nd PC program valid window 83a and sprite 82, still have the regional 84a of overlapping.So, can be according to PC valid window control signal, but the 2nd PC program valid window 83a is adjusted to the 3rd viewing area in the viewing area that is not included in sprite 82 in the whole viewing area of display device 200 ' along the direction of arrow 87a, so that not overlapping, and PC program valid window 83 is shown as the 3rd PC program valid window 83b with the viewing area of sprite 82.
With reference to figure 11C, when definite position locomotive function is set to opening and sprite when having priority with respect to PC program valid window, the PC valid window control signal that computer control 65 ' receives from display controller 75 '.Then, according to PC valid window control signal, but PC program valid window 83 is moved to along the direction of arrow 87 in the 4th viewing area in the viewing area that is not included in sprite 82 in the whole viewing area of display device 200 ', so that not overlapping, and PC program valid window 83 is shown as the 4th PC program valid window 83d with the viewing area of sprite 82.When mobile phase do not have for sprite 82 priority PC program valid window 83 display position so as to remove sprite 82 and the 4th PC program valid window 83d between the overlapping region time, do not change the display size of the 4th PC program valid window 83d.
With reference to figure 11B, when definite position locomotive function is set to closed condition and sprite 82 when having priority with respect to PC program valid window 83, the PC valid window control signal that computer control 65 ' receives from display controller 75 '.Then, computer control 65 ' control graphics card 30 changes the display area size of PC program valid window 83 according to PC valid window control signal.Promptly, according to PC valid window control signal, PC program valid window 83 directions along arrow 87b are moved in the 5th viewing area in the viewing area that is not included in sprite 82, so that not overlapping, and PC program valid window 83 is shown as the 5th PC program valid window 83c with the viewing area of sprite 82.
Utilize this configuration, will describe the control flow chart of the display system 300 ' of the embodiment of general conception with reference to figure 7,8 and 9 according to the present invention.Purpose for convenience is illustrated as solid line with the control operation of display device 200 ', and the control operation of computer 100 ' is illustrated as dotted line.
With reference to figure 3,7,8 and 9, at operation S50, display controller 75 ' is determined display device 200 ' the current PIP function of whether carrying out.When definite display device 200 ' was carried out the PIP function, at operation S52, display controller 75 ' determined whether that by user input part 40 ' overlapping demonstration being improved function setting is opening.When determining that according to definite result overlapping demonstration improvement function is set to opening, at operation S54, display controller 75 ' determines whether there is the overlapping region between PC program valid window 83 and sprite 82.With reference to figure 7 and 9, will describe the operation S54 of the existence of determining the overlapping region below in detail.
When carrying out the PIP function overlapping demonstration being improved function setting and be opening, at operation S91, display controller 75 ' is to the display region information of computer 100 ' request PC program valid window 83.In operation 92, computer control 65 ' is to providing the display region information of PC program valid window 83 with asking corresponding display controller 75 '.Then, at operation S93, display controller 75 ' compares each display element information of the display region information of the display region information of the PC program valid window 83 that receives and sprite 82.At operation S94, display controller 75 ' is determined at sprite 82 according to comparative result and is had between the PC program valid window 83 of identical viewing area (display element) whether have the overlapping region.
Return with reference to figure 7, when determining to have the overlapping region, at operation S56, display controller 75 ' determines according to being stored in the information that shows storage area 72 whether PC program valid window 83 has priority with respect to sprite 82.When PC program valid window 83 had priority with respect to sprite 82, at operation S60, display controller 75 ' determined according to the information that shows storage area 72 whether the position locomotive function is set to opening.When the position locomotive function was set to opening, at operation S62, the position, viewing area of display controller 75 ' control PIP processor 56 mover pictures 82 was so that remove the overlapping region.Then, at operation S64, display controller 75 ' determines whether still there is the zone of overlapping between mover picture 82PC and the program valid window 83.When determining that still overlapped in the zone in existence, at operation S66, display controller 75 ' control PIP processor changes the display area size of mover picture 82, so that remove the overlapping region.
Here, when when operation S60 determines that the position locomotive function is set to closing function, at operation S68, display controller 75 ' control PIP processor 56 changes the display area size of sprite 82, so that remove the overlapping region.
Simultaneously, as operation S56 when determining that PC program valid window 83 does not have priority with respect to sprite 82, by connection layout 8 3. and the 4. operation of execution graph 8.That is, at operation S70, display controller 75 ' determines according to the information that shows storage area 72 whether the position locomotive function is set to opening.When the position locomotive function is set to opening, at operation S72, but display controller 75 ' is according to the display element information of the whole viewing area of display device 200 ' and the viewing area of sprite 82 (display element information), to the viewing area position of computer 100 ' output PC valid window control signal, thereby remove the overlapping region with mobile PC program valid window 83.Then, at operation S74, computer control 65 ' receives PC valid window control signal, and at operation S76, control graphics card 30 is so that come the position, viewing area of mobile PC program valid window 83 according to the PC valid window control signal that receives.At operation S78, display controller 75 ' determines whether still there is the zone of overlapping between PC program valid window 83 that has moved and sprite 82.When determining still to have the overlapping region, display controller 75 ' is to the display area size of computer 100 ' output PC valid window control signal with change PC program valid window 83, thus the removal overlapping region.At operation S80, computer control 65 ' control graphics card 30 is so that change the display area size of PC program valid window 83 according to the PC valid window control signal that receives from display controller 75 '.
Here, when when operation S70 determines that the position locomotive function is set to closed condition, at operation S82, but display controller 75 ' is according to the display element information of the whole viewing area of display device 200 ' and the viewing area of sprite 82 (display element information), to the display area size of computer 100 ' output PC valid window control signal, thereby remove the overlapping region with change PC program valid window 83.Then, at operation S84, computer control 65 ' receives PC valid window control signal, and at operation S86, control graphics card 30 is so that change the display area size of PC program valid window 83 according to the PC valid window control signal that receives.
Here, Fig. 9 shows the operation S54 that carries out between operation S52 and S56.Can come executable operations S64 and S78 to S94 by the operation S91 among Fig. 9.
As mentioned above, by simple manipulation (promptly, it is opening that overlapping demonstration is improved function setting), display system 300 ' and control method thereof and be included in computer 100 ' in the display system 300 ' of general conception and display device 200 ' can be removed overlapping region between PC program valid window 83 and the sprite 82 effectively according to the present invention, and the key input that need not the user is come the processing overlapping zone.
Simultaneously, be described with reference to Figure 13 a kind of according to the present invention the video source of general conception embodiment and the control method of display device.
With reference to figure 2,3 and 13, at operation S100, computer 100 (or 100 ') and/or display device 200 (or 200 ') receive and store the precedence information of PC program valid window (key frame) and sprite.Here, importation that can be by computer 100 or by the input part of the display device 200 input priority information of assigning to.In operation 110, computer 100 and/or display device 200 receives the On/Off configuration information of the position locomotive function of PC program valid windows and sprite, so as with information stores in memory.Can also assign to import the On/Off configuration information by the input part of computer 100 or display device 200.
At operation S120, computer 100 and display device 200 determine whether to have imported the predetermined request signal from each other respectively.That is, in the control method according to the video source of present embodiment and display device, computer 100 can determine whether to import the request signal from display device 200, or display device 200 can determine whether to import the request signal from computer 100.In receiving from computer 100 and display device during one request signal, in display device 200 or computer 100 of another in computer 100 and the display device 200 provides the display region information of being asked.That is, when computer 100 received request signal, computer provided the display region information of PC program valid window to display device 200.When display device 200 received request signal, display device 200 provided the display region information of sprite to computer 100.
At operation S140, display device 200 or computer 100 determine whether to exist the overlapping region by display region information (display region information of PC program valid window or sprite) that is relatively provided and the display region information of being discerned according to display region information.Promptly, when display device 200 receives the display region information of PC program valid window, the display region information of the sprite of display device 200 by relatively utilizing the PIP processing and identification and the display region information of PC program valid window determine whether to exist the overlapping region.When computer 100 receives the display region information of sprite, the display region information of the PC program valid window of computer 100 by relatively utilizing the vision signal identification offer display device 200 and the display region information of sprite determine whether to exist the overlapping region.
When determining to have the overlapping region, at operation S150, control display device 200 and in the computer 100 another in the display device 200 of overlapping region and the computer 100 have been determined to exist, according to by operation S100 and the precedence information of S110 storage and the On/Off configuration information of position locomotive function, do not have the display position or the size of the PC program valid window or the sprite of priority with change.Then, at operation S160, changes in overlapping PC program valid window and the sprite viewing area characteristic (display position and size) of at least one, with the removal overlapping region.
As mentioned above, when the PC program valid window of the key frame that shows by the PIP function and sprite overlap each other, the control method of the display system of general conception embodiment, display device and video source and display device can be removed the overlapping region effectively according to the present invention, and the key input that need not the user is controlled the overlapping region.
Although illustrated and described several embodiment of general conception of the present invention, those having ordinary skill in the art will appreciate that, under the prerequisite of principle that does not break away from the general conception of the present invention that limits by appending claims and equivalent thereof and scope, can make amendment to these embodiment.

Claims (38)

1. display system comprises:
Video source is used to provide first vision signal;
Display device is used to receive first vision signal and from second vision signal of display system outside, so that handle by picture-in-picture (PIP) it is shown as key frame and sprite respectively, and described display system also comprises:
Controller changes one or more viewing areas characteristic of one of the viewing area of program valid window of key frame and viewing area of sprite at least, and removes the overlapping region between the viewing area of program valid window and sprite.
2. display system according to claim 1, wherein, controller is included in the video source controller that is provided with in the video source, described video source controller is to the display region information of display device request sprite, and the display region information of the sprite that receives by corresponding requests relatively and the display region information of program valid window determine whether to exist the overlapping region.
3. display system according to claim 1, wherein, controller comprises the display controller that is arranged in the display device, and when the request signal that receives from video source, described display controller is handled the display region information that sprite is provided to video source based on PIP.
4. display system according to claim 1, wherein, the viewing area characteristic comprises one of following: with respect to one in position, key frame and the sprite of screen with respect in key frame and the sprite another size and the resolution of one of key frame and sprite.
5. display system according to claim 1, wherein, controller comprises:
Overlapping demonstration improves the function setting device, it is opening that overlapping demonstration is improved function setting, to improve the demonstration of overlapping region, when overlapping demonstration improvement function setting being opening by overlapping demonstration improvement function setting device, determine whether to exist the overlapping region, and at least one viewing area in reprogramming valid window and the sprite.
6. display system according to claim 1, wherein, controller comprises:
Priority is provided with device, the priority of setting program valid window and sprite, and storage is provided with the set program valid window of device and the precedence information of sprite by priority.
7. display system according to claim 1, wherein, controller comprises:
The position locomotive function is provided with device, and the position locomotive function of program valid window and sprite is set to the On/Off state, and storage is provided with the On/Off configuration information of the position locomotive function of device setting by the position locomotive function.
8. display system according to claim 1, wherein, key frame comprises the frame area of program valid window, described frame area is partition program valid window and border, viewing area thereof visually.
9. a display device receives a plurality of vision signals and by the picture-in-picture processing vision signal is shown as key frame and sprite, and described display device comprises:
Controller, handle the display region information that sprite is provided to video source based on PIP, described video source provides one of vision signal of being shown as key frame, when from video source input sprite controller signals, described controller changes the position of sprite viewing area and at least one in the size according to the sprite control signal.
10. display device according to claim 9, wherein, video source and controller communicate each other by the DDC communication line.
11. display device according to claim 9, wherein, controller comprises:
Priority is provided with device, is used to be provided with the program valid window of key frame and the priority of sprite, and storage is provided with the set program valid window of device and the precedence information of sprite by priority.
12. display device according to claim 9, wherein, controller comprises:
The position locomotive function is provided with device, and the program valid window of key frame and the position locomotive function of sprite are set to the On/Off state, and storage is provided with the On/Off configuration information of the position locomotive function of device setting by the position locomotive function.
13. the method for control of video source and display device, described video source provides first vision signal, and display device receives from first vision signal of video source with from second vision signal of external equipment, to pass through picture-in-picture processes and displays first and second vision signals, described method comprises:
By the picture-in-picture processing first and second vision signals are shown as key frame and sprite respectively; And
At least change one or more viewing areas characteristic of one of the viewing area of program valid window of key frame and viewing area of sprite, with the overlapping region between the viewing area of the viewing area of removing the program valid window and sprite.
14. method according to claim 13 also comprises:
The display region information of video source request sprite; And
Display region information by sprite that corresponding requests is received compares with display region information based on the program valid window of first vision signal that provides to display device, determines whether to exist the overlapping region.
15. method according to claim 14 also comprises:
When the request signal that receives from video source, handle the display region information that sprite is provided to video source based on PIP.
16. method according to claim 13 also comprises:
The precedence information of reception and stored program valid window and sprite, wherein, at least one in the viewing area of reprogramming valid window and sprite comprises:
When having the overlapping region,, change the viewing area that does not have one of the program valid window of priority and sprite with respect to other program valid window and sprite according to the precedence information of being stored.
17. method according to claim 13 also comprises:
The position locomotive function of program valid window and sprite is set to the On/Off state, and wherein, at least one in the viewing area of reprogramming valid window and sprite comprises:
The vision signal in control of video source provides device and carries out one of PIP processor of PIP processing, when existing overlapping region and position locomotive function to be set to opening with box lunch, according to precedence information, mobile phase does not have the position, viewing area of one of the program valid window of priority and sprite for other program valid window and sprite, to remove the overlapping region.
18. method according to claim 13 also comprises:
Display region information to video source requestor valid window; And
By with corresponding requests from video source receive the display region information of program valid window and the display region information of sprite compare, determine whether to exist the overlapping region.
19. method according to claim 18, wherein:
Video source comprises that the vision signal of exporting first vision signal provides device; And
The existence of determining the overlapping region comprises: provide device based on vision signal, the display region information of the program valid window that is provided by the video source that receives request signal is provided.
20. method according to claim 13, wherein, the program valid window of key frame comprises the visually frame area border, viewing area, the program valid window of partition program valid window, and sprite comprises the frame area border, viewing area, sprite of visually dividing sprite.
21. a display device comprises:
Input unit receives first vision signal and second vision signal; And
Controller according to the priority of key frame and sprite, automatically changes the characteristic corresponding to one of the key frame of first vision signal that shows and second vision signal and sprite respectively on screen.
22. display device according to claim 21, wherein, characteristic comprises one of following: with respect to one in position, key frame and the sprite of screen with respect in key frame and the sprite another size and the resolution of one of key frame and sprite.
23. a display device comprises:
Processing unit receives first signal and secondary signal so that produce key frame and the sprite that is presented on the screen respectively according to first signal and secondary signal; And
Controller, change in the viewing area with first vision signal and corresponding key frame of second vision signal and sprite at least one viewing area characteristic of one of them at least with respect to screen, so that remove the overlapping region between the viewing area of program valid window and sprite.
24. display device according to claim 23, wherein,
Processing unit, the information of the viewing area characteristic of reception and the corresponding key frame of first signal; And
Controller, controlled processing unit produces key frame and sprite according to first signal, secondary signal and the information that receives.
25. a display device comprises:
Processing unit receives first signal and secondary signal, so that produce key frame and the sprite that is presented at primary importance and the second place on the screen respectively according to first signal and secondary signal; And
Controller, determine between the primary importance and the second place, whether there is the overlapping region, so that according to whether exist the overlapping region determine in the primary importance and the second place at least one changed to the 3rd position, and controlled processing unit produce be presented at the primary importance and the second place in another locational key frame and sprite on the corresponding position changing and in the primary importance and the second place.
26. display device according to claim 25, wherein, one the size and the position that have changed in the primary importance and the second place are different from one of primary importance and second place.
27. display device according to claim 25, wherein,
Key frame comprises first frame area and first image that is arranged in first framework;
Sprite comprises second frame area and second image that is arranged in second framework; And
When first image and second doubling of the image, controller determines to exist the overlapping region.
28. display device according to claim 27, wherein, when first frame area and second frame area were overlapping, controller determined not exist the overlapping region.
29. display device according to claim 25, wherein,
Key frame comprises first frame area and first image that is arranged in first framework;
Sprite comprises second frame area and second image that is arranged in second framework; And
When first frame area and second frame area were overlapping, controller determined not exist the overlapping region.
30. a display system comprises:
Display part with screen;
Processing unit receives first signal and secondary signal, and determines and the first of first signal and the corresponding screen of secondary signal and the second portion of screen; And
Controller, determine between first and second portion, to have the overlapping region, determine the third part with one of first and second portion corresponding screen, and produce key frame and sprite according to the third part of first signal, secondary signal and screen.
31. display system according to claim 30, wherein, controller is determined third part is arranged between the border of the border of screen and one of first and second portion.
32. display system according to claim 30, wherein, the third part of screen is less than one of first and second portion.
33. display system according to claim 30 wherein, is come the third part of moving screen with respect to one of first and second portion.
34. a display system comprises:
Produce the main frame of first signal; And
Display device, has processing unit, be used to receive from first signal input of main frame with from the secondary signal of external equipment and import, so that produce key frame and the sprite that is presented on the screen respectively according to first signal and secondary signal, described display device also has controller, be used for changing at least at least one viewing area characteristic, so that remove the overlapping region between the viewing area of program valid window and sprite with respect to one of the viewing area of the key frame of screen and viewing area of sprite.
35. display system according to claim 34 wherein, forms main frame and display device in single main body.
36. display system according to claim 34 wherein, by internet or one of wired and radio communication, links to each other display device with external equipment.
37. display system according to claim 34, wherein, display device receives the first information from the viewing area characteristic of the viewing area of the key frame of main frame, according to second information of the viewing area characteristic of the viewing area of determining sprite with respect to the predetermined value of screen, and produce key frame and sprite according to the first information and second information.
38. according to the described display system of claim 37, wherein, processing unit does not receive second information from external equipment.
CNA2006100844443A 2005-05-28 2006-05-24 Display system, display apparatus, and method of controlling video source and display apparatus Pending CN1893590A (en)

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