CN104735536A - Display screen signal display switching method and device - Google Patents

Display screen signal display switching method and device Download PDF

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Publication number
CN104735536A
CN104735536A CN201310718461.8A CN201310718461A CN104735536A CN 104735536 A CN104735536 A CN 104735536A CN 201310718461 A CN201310718461 A CN 201310718461A CN 104735536 A CN104735536 A CN 104735536A
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China
Prior art keywords
video
display screen
wicket
subset
memory device
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CN201310718461.8A
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Chinese (zh)
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CN104735536B (en
Inventor
骆国程
张春彬
熊明才
高泽辉
朱黎
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New line Technology Co.,Ltd.
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HONGHE TECHNOLOGY Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47End-user applications
    • H04N21/472End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H04N21/47205End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for manipulating displayed content, e.g. interacting with MPEG-4 objects, editing locally
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/431Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • H04N21/4312Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
    • H04N21/4314Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations for fitting data in a restricted space on the screen, e.g. EPG data in a rectangular grid

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Human Computer Interaction (AREA)
  • Controls And Circuits For Display Device (AREA)
  • User Interface Of Digital Computer (AREA)

Abstract

The invention discloses a display screen signal display switching method. The display screen signal display switching method includes the following steps of obtaining the account and IP address of main equipment through a wireless presentation gateway, receiving near field communication (NFC) connection signals of sub-equipment, building NFC matching connection with the sub-equipment, exchanging data with the sub-equipment through NFC matching connection, receiving a connection request sent by the sub-equipment according to the exchanged data, building wireless connection with the sub-equipment, creating small video windows corresponding to the sub-equipment, building video signal synchronization between the small video windows and the corresponding sub-equipment, intercepting video data of main interfaces of the corresponding sub-equipment from binary stream data transmitted by the sub-equipment according to set time intervals, and sending the intercepted video data to the corresponding small video windows to be broadcast under the circumstance that successful interception of the video data is determined so that video streams can be formed on the small video windows. The invention further provides a display screen signal display switching device on the basis of the display screen signal display switching method.

Description

Display screen signal display changeover method and device thereof
Technical field
The present invention relates to display packing and device, refer to a kind of display screen signal display changeover method and device thereof especially.
Background technology
Mutual flat board be have display screen, can the electronic equipment of touch-control, can be connected with multimedia equipments such as computers, and then information interaction can be carried out with the equipment be connected.The mutual flat board of prior art, after external a certain equipment connection, is just in full screen on screen by the content of this external equipment immediately; If access multiple external equipment, during switching, need the button using mutual flat screens remote controller or control panel, the content that large-size screen monitors show is switched on corresponding signal source.
In addition in prior art the mutual flat screens of great majority with USB interface, user is allowed to access the memory devices such as USB flash disk, these memory devices need user initiatively to open file the instrument of browser and so in mutual flat board, local directory and memory device are shown in the lump, just can intuitively see the content wherein stored by searching and browsing.
Summary of the invention
In view of this, the object of the invention is to propose a kind of display screen signal display changeover method and device thereof.
Based on above-mentioned purpose display screen signal display changeover method provided by the invention, comprise the steps:
Account, the IP address of main equipment is obtained by Wireless Presentation Gateway; Receive the NFC near-field communication connection signal of subset; Set up NFC near-field communication with subset to mate and be connected; Connected and subset swap data by NFC near-field communication coupling; Receive the connection request that subset sends according to the data exchanged; Wireless connections are set up with subset; Create and the video wicket corresponding to subset; The vision signal set up between video wicket and the subset of correspondence is synchronous; According to the time interval of setting, from the binary stream data that subset transmits, intercept the video data at the main interface of corresponding subset; Under judging that video data intercepts successful situation, the video data of intercepting is sent to corresponding video wicket and plays, video wicket forms video flowing.
Optionally, the video data of described TV module intercepts comprises RGB primaries analogue video data, and/or YUV measures and component video data.
Optionally, when judging there is new subset access, create the new video wicket corresponding with the wireless connections subset end newly accessed, and new video wicket is shown on a display screen side by side together with original video wicket.
Optionally, if all video wickets exceed the indication range of display screen, then the video wicket of up-to-date establishment is arranged at outside display screen indication range.
Optionally, when receiving the move that user sends with touch control manner, the video wicket outside display screen indication range is moved in display screen indication range.
Optionally, after video wicket creates, also comprise the steps: that the video wicket that reception user sends with touch control manner selects signal; The video wicket selected corresponding to signal is enlarged into full screen window.
Optionally, after the video wicket selected corresponding to signal is enlarged into full screen window, also comprise the steps: to receive switching signal; Current full screen window is reduced into video wicket.
Optionally, when being connected with external storage equipment, perform following steps: receive memory device access signal; Create memory device wicket; File in traversal memory device; The content at the main interface of memory device is resolved: corresponding to the file spanned file clip icon at the main interface of memory device; Corresponding to the video file generating video file, picture at the main interface of memory device, using video file first frame thumbnail as image content; Corresponding to the static images file at the main interface of memory device, generate thumbnail, and thumbnail is presented in memory device wicket as picture icon; Corresponding to the text at the main interface of memory device, generate text icon, extract the original character in text icon according to setting number, character content is presented in text icon; Corresponding to the motion picture files at the main interface of memory device, generate dynamic picture icon, extract dynamic picture first frame, using the first frame thumbnail as moving picture content; Corresponding to audio file, generate audio frequency icon, the information such as the title of audio file, length are shown in audio frequency icon.
Further, the invention provides a kind of display screen signal display switching device, comprise wireless connections main equipment end, NFC primary module, TV module and window management module; Described wireless connections main equipment end obtains account, the IP address of main equipment by Wireless Presentation Gateway; Described NFC module receives the NFC near-field communication connection signal of subset, sets up NFC near-field communication mate and be connected with subset, is connected and subset swap data by NFC near-field communication coupling; Described wireless connections main equipment termination receives the connection request that subset sends according to the data exchanged; Described window management module creates and the video wicket corresponding to subset; The vision signal that TV module is set up between video wicket and the subset of correspondence is synchronous, according to the time interval of setting, intercepts the video data at the main interface of corresponding subset from the binary stream data that subset transmits; The video data of intercepting, under judging that video data intercepts successful situation, is also sent to corresponding video wicket and plays, video wicket forms video flowing by described TV module.
Optionally, the video data of described TV module intercepts comprises RGB primaries analogue video data, and/or YUV measures and component video data.
Optionally, when described window management module judges there is new subset access, create the new video wicket corresponding with the subset newly accessed, and new video wicket is shown on a display screen side by side together with original video wicket.
Optionally, if all video wickets exceed the indication range of display screen, then the video wicket of up-to-date establishment is arranged at outside display screen indication range by window management module.
Optionally, when receiving the move that user sends with touch control manner, the video wicket outside display screen indication range is moved in display screen indication range.
Optionally, also comprise selection module, after video wicket creates, receive the video wicket selection signal that user sends with touch control manner; The video wicket selected corresponding to signal is enlarged into full screen window by window management module.
Optionally, after the video wicket selected corresponding to signal is enlarged into full screen window, described selection module receives switching signal; Then current full screen window is reduced into video wicket by described window management module.
Optionally, also comprise parsing module, interface administration module, when being connected with external storage equipment, described interface administration module receives memory device access signal; Described window management module creates memory device wicket; File in described parsing module traversal memory device, and the content at the main interface of memory device is resolved: corresponding to the file spanned file clip icon at the main interface of memory device; Corresponding to the video file generating video file, picture at the main interface of memory device, using video file first frame thumbnail as image content; Corresponding to the static images file at the main interface of memory device, generate thumbnail, and thumbnail is presented in memory device wicket as picture icon; Corresponding to the text at the main interface of memory device, generate text icon, extract the original character in text icon according to setting number, character content is presented in text icon; Corresponding to the motion picture files at the main interface of memory device, generate dynamic picture icon, extract dynamic picture first frame, using the first frame thumbnail as moving picture content; Corresponding to audio file, generate audio frequency icon, the information such as the title of audio file, length are shown in audio frequency icon.
As can be seen from above, display screen signal display changeover method provided by the invention, be applicable to the electronic equipment with display screen, particularly mutual dull and stereotyped, corresponding to the wireless connections subset end of the subset such as PC and mobile terminal with wireless receiving and sending function, generating video wicket, vision signal is intercepted from the binary stream data that wireless connections subset end transmits, vision signal is shown in video wicket, multiple external equipment can be shown in video wicket on a display screen intuitively; Particularly when there is multiple wireless connections subset end, method provided by the invention allows to set up multiple video wicket, is all intuitively shown on a display screen at the main interface of multiple subset.Meanwhile, the display screen signal display changeover method of the embodiment of the present invention, after receiving the selection instruction of user, is displayed in full screen the video wicket expansion in user-selected; After receiving the switching command of user, the window of current full screen display is reduced into video wicket, so that user needs the subset of display to select to it again in multiple video wicket.In addition, the display screen signal display changeover method of the embodiment of the present invention, corresponding external memory device, create memory device wicket, content on main for memory device interface is shown in memory device wicket, make user intuitively can check content in external storage equipment, and to needing the memory device called to select.
The display screen signal display switching device that the present invention further provides, the display screen signal display changeover method adopting various embodiments of the present invention to provide carries out signal switching, and user can be made intuitively to check the interface of the multiple subsets be connected with a main equipment by wireless network; User by selecting can also be allowed to show the video wicket of subset interface content, subset is called.The display screen signal display switching device of the embodiment of the present invention, also intuitively can show the main interface of external storage equipment, and the content at main interface is intuitively presented in corresponding memory device wicket, also allow user by checking, selecting video wicket and memory device wicket, the external equipment or external storage equipment needing full screen display is called.
Accompanying drawing explanation
Fig. 1 is the display screen signal display changeover method schematic flow sheet of the embodiment of the present invention;
Fig. 2 is the video wicket arrangement schematic diagram of the embodiment of the present invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with specific embodiment, and with reference to accompanying drawing, the present invention is described in more detail.
Display screen signal display switching device provided by the present invention, there is wireless connections main equipment end, be arranged on a main equipment, this main equipment can be the electronic equipment that mutual flat board etc. has display screen, there is NFC(Near Field Communication, near-field communication) module, this NFC module is used for setting up wireless network with the subset of the NFC submodule with coupling and is connected; And obtain multiple biography screen picture from subset, biography screen picture is shown on display screen concurrently.Above-mentioned subset can be the PC, mobile terminal, panel computer etc. with wireless connections module.The wireless network link of above-mentioned wireless subset link and subset.
Fig. 1 is the display screen signal display changeover method schematic flow sheet of the embodiment of the present invention, comprises the steps:
Step 1:NFC module initialization.In this step, the NFC module initialization of main equipment.
Step 2: load Wireless Presentation Gateway.In this step, display screen signal display switching device loads and connects Wireless Presentation Gateway, is connected by wireless display net and any wireless network services end.
Step 3: the information such as account, IP address obtaining main equipment.
Step 4: the NFC connection signal receiving subset.PC, panel computer, mobile terminal etc. are provided with the subset of NFC submodule, all can set up wireless network by the display screen signal display switching device of the present embodiment with main equipment and be connected.After subset starts its NFC submodule, load Wireless Presentation Gateway, and obtain IP address, the accounts information of subset thereupon, when NFC submodule is connected with the NFC module in main equipment, the NFC connection signal with subset accounts information is sent to the display screen signal display switching device of main equipment by NFC submodule.
Step 5: set up to mate with the NFC submodule of subset and be connected.In this step, the NFC primary module of main equipment is set up to mate with the NFC submodule of subset and is connected.
Step 6: with NFC submodule swap data.In this step, the display screen signal display switching device of main equipment obtains IP address, the accounts information of subset, and subset obtains IP address, the accounts information of main equipment.
Step 7: receive the connection request that subset sends according to the data exchanged.Subset initiates connection request according to the IP address obtained in abovementioned steps and accounts information to main equipment, and the display screen signal display switching device of main equipment receives this connection request.
Step 8: set up wireless connections with subset.In this step, main equipment sets up the wireless connections with subset by Wireless Presentation Gateway.
Step 9: create video wicket.In this step, the window management module of display screen signal display switching device creates a video wicket corresponding with this subset, and this window is non-full screen window, is connected with corresponding wireless connections subset end.
In some cases, if the request access signal that repeated detection sends to subset, then according to the time sequencing of Signal reception, create multiple video wicket successively, and on a display screen video wicket is shown; The corresponding subset of each video wicket.As shown in Figure 2, multiple video wicket 21 is gone together list view on display screen 22, in other embodiments, also can adopt other arrangement mode.Three video wickets 21 are illustrated in Fig. 2, if in some cases, video wicket can not all show simultaneously on a display screen, then can unnecessary video wicket be arranged in outside the indication range of display screen, by receiving the move that user is sent by touch control manner, video wicket within the scope of display screen is moved to beyond indication range, the video wicket originally outside indication range is moved in indication range.
Step 10:TV module starts.
In the present embodiment, by the wireless connections of display screen signal display switching device and subset, realize the wireless connections between main equipment and subset, and then in step 6, the vision signal that TV module sets up video wicket and subset is synchronous; Here vision signal is synchronous, can refer to field synchronization.
In certain embodiments, after TV module starts, administration module first can send field synchronization to TV module and detect instruction, and field synchronization situation is sent to administration module by TV module, and administration module judges whether field synchronization is in normal condition, if so, then enters following step 7; If not, then field synchronization is re-established.
Step 11:TV module, by the wireless connections between main equipment end and subset, according to the time interval of setting, intercepts the video data at the main interface of corresponding subset.In this step, the wireless connections that TV module is set up by above-mentioned main equipment and subset, intercept video data from the binary stream data that the subset corresponding to video wicket transmits; Video data herein comprises RGB(Red-Green-Blue, primaries pattern) video data, YUV(YcrCb, Luma and Chroma, brightness and aberration) video data of video data or other form.The time interval of described setting can be 10ms.
Step 12: judge whether video data intercepts successfully, if so, then window management module sends successful information to TV module, enters next step; If not, then window management module sends failure information to TV module, returns step 7.In this step, the video data of window management module to TV module intercepts judges, if the form that the data fit video wicket intercepted can present, then administration module judges data cutout success.Concrete, can continue successively to judge whether the different video data that different time sections intercepts is the data that video wicket can present form according to time sequencing; Also can judge that whether the video data intercepted first is successful, if success, then the subset video data corresponding to this video wicket no longer be judged.It is unsuccessful if judge, video data intercepts, then window management module sends after failure information to TV module, and failure information can be carried out record by TV module.
The video data of intercepting is sent in corresponding video wicket by the time sequencing intercepted by step 13:TV module.
The video data of intercepting is play in the video wicket of correspondence by the time sequencing intercepted by step 14:TV module.
After field synchronization between video wicket and subset is set up, TV module continued to intercept video data from the main interface of subset according to the time interval of setting, and the video data of intercepting is sent in video wicket plays, thus define video flowing endlessly in video wicket, thus in real time main for subset interface is presented in corresponding video wicket.
In certain embodiments, after user clicks video wicket in the mode of touch-control, window can amplify by administration module, is displayed in full screen.
Step 15: the selection signal receiving user.Namely user have sent selection signal to display screen signal display switching device after clicking a video wicket with touch-control or alternate manner, and administration module is responsible for receiving this selection signal.
Step 16: the video wicket selected corresponding to signal is enlarged into full screen window.
Step 17: the switching signal receiving user.In this step, the switching signal that user is sent by the mode of touch-control is received.
Step 18: current full screen window is reduced into video wicket, the video wicket position that display is corresponding before amplification.When full screen window is reduced into video wicket, amplify all video wickets shown on forth screen and be also shown on screen, thus user can again checks all video wickets and select.
By above-mentioned steps, when the multiple subset of equipment access, user can intuitively check each subset by multiple video wicket arranged side by side, and directly calls a certain subset by clicking video wicket, makes it be displayed in full screen on a display screen.
In the present embodiment, the administration module of display screen signal display switching device can also pass through the switching command of touch control manner or alternate manner transmission according to user, current full screen window is reduced into video wicket, thus again multiple video wicket is presented to user, so that user selects different subsets, and then the main interface of different subset is made to switch display on a display screen.
In certain embodiments, the main equipments such as mutual flat board are also provided with USB(Universal Serial Bus, USB) interface, so that memory devices such as external USB flash disk, portable hard drives, after display screen signal display switching device is opened, at any time, if there is memory device to be connected with mutual flat board, then can produce a memory device access signal when connecting, send to the administration module of display screen signal display switching device, administration module performs following steps further:
Step 19: interface administration module receives memory device access signal.
Step 20: window management module creates memory device wicket.Administration module receives a memory device access signal, just correspondingly creates a memory device wicket; If access multiple memory device, then administration module receives multiple memory device access signal, correspondingly creates multiple memory device wicket.Memory device wicket can from above-mentioned video wicket size, outward appearance is identical also can be different.
Step 21: the file in administration module traversal memory device.
Step 22: the content at the display main interface of memory device is shown in memory device wicket with the form of icon.
In step 22, the content of administration module to the main interface of memory device is resolved, corresponding to the file spanned file clip icon at the main interface of memory device; Corresponding to the video file generating video file, picture at the main interface of memory device, using video file first frame thumbnail as image content; Corresponding to the static images file at the main interface of memory device, generate thumbnail, and thumbnail is presented in memory device wicket as picture icon; Corresponding to the text at the main interface of memory device, generate text icon, extract the original character in text icon according to setting number, character content is presented in text icon; Corresponding to the motion picture files at the main interface of memory device, generate dynamic picture icon, extract dynamic picture first frame, using the first frame thumbnail as moving picture content; Corresponding to audio file, generate audio frequency icon, the information such as the title of audio file, length are shown in audio frequency icon.
By performing the flow process in above-described embodiment, intuitively can be shown on screen with the mutual dull and stereotyped word equipment waiting main equipment to be connected with USB interface by wireless network.User can directly check each subset by video wicket, and can switch between multiple subset easily.
Further, the invention provides a kind of display screen signal display switching device, comprise wireless connections main equipment end, NFC primary module, TV module and window management module, wireless connections main equipment end is connected with NFC primary module, TV module and window management module, and TV module is connected with window management module; Described wireless connections main equipment end obtains account, the IP address of main equipment by Wireless Presentation Gateway; Described NFC module receives the NFC near-field communication connection signal of subset, sets up NFC near-field communication mate and be connected with subset, is connected and subset swap data by NFC near-field communication coupling; Described wireless connections main equipment termination receives the connection request that subset sends according to the data exchanged; Described window management module creates and the video wicket corresponding to subset; The vision signal that TV module is set up between video wicket and the subset of correspondence is synchronous, according to the time interval of setting, intercepts the video data at the main interface of corresponding subset from the binary stream data that subset transmits; The video data of intercepting, under judging that video data intercepts successful situation, is also sent to corresponding video wicket and plays, video wicket forms video flowing by described TV module.
The display screen signal display switching device of the embodiment of the present invention also comprises selection module, is connected with window management module; After video wicket creates, receive the video wicket selection signal that user sends with touch control manner; The video wicket selected corresponding to signal is enlarged into full screen window by window management module.After the video wicket selected corresponding to signal is enlarged into full screen window, described selection module receives switching signal; Then current full screen window is reduced into video wicket by described window management module.
The display screen signal display switching device of the embodiment of the present invention also comprises parsing module and interface administration module, and parsing module is connected with window management module with interface administration module.When mutual flat board is connected with external storage equipment, described interface administration module receives memory device access signal; Described window management module creates memory device wicket; File in described parsing module traversal memory device, and the content at the main interface of memory device is resolved: corresponding to the file spanned file clip icon at the main interface of memory device; Corresponding to the video file generating video file, picture at the main interface of memory device, using video file first frame thumbnail as image content; Corresponding to the static images file at the main interface of memory device, generate thumbnail, and thumbnail is presented in memory device wicket as picture icon; Corresponding to the text at the main interface of memory device, generate text icon, extract the original character in text icon according to setting number, character content is presented in text icon; Corresponding to the motion picture files at the main interface of memory device, generate dynamic picture icon, extract dynamic picture first frame, using the first frame thumbnail as moving picture content; Corresponding to audio file, generate audio frequency icon, the information such as the title of audio file, length are shown in audio frequency icon.
As can be seen from above, display screen signal display changeover method provided by the invention, be applicable to the electronics main equipment with display screen, particularly mutual dull and stereotyped, corresponding to the subset such as PC and mobile terminal with wireless receiving and sending function, generating video wicket, vision signal is intercepted from the binary stream data that wireless connections subset end transmits, vision signal is shown in video wicket, multiple subset can be shown in video wicket on a display screen intuitively; Particularly when there is multiple subset, method provided by the invention allows to set up multiple video wicket, is all intuitively shown on a display screen at the main interface of multiple subset.Meanwhile, the display screen signal display changeover method of the embodiment of the present invention, after receiving the selection instruction of user, is displayed in full screen the video wicket expansion in user-selected; After receiving the switching command of user, the window of current full screen display is reduced into video wicket, so that user needs the subset of display to select to it again in multiple video wicket.In addition, the display screen signal display changeover method of the embodiment of the present invention, corresponding external memory device, create memory device wicket, content on main for memory device interface is shown in memory device wicket, make user intuitively can check content in external storage equipment, and to needing the memory device called to select.
The display screen signal display switching device that the present invention further provides, the display screen signal display changeover method adopting various embodiments of the present invention to provide carries out signal switching, and user can be made intuitively to check the interface of the multiple subsets be connected with a main equipment by wireless network; User by selecting can also be allowed to show the video wicket of subset interface content, subset is called.The display screen signal display switching device of the embodiment of the present invention, also intuitively can show the main interface of external storage equipment, and the content at main interface is intuitively presented in corresponding memory device wicket, also allow user by checking, selecting video wicket and memory device wicket, the subset or external storage equipment needing full screen display is called.
Those of ordinary skill in the field are to be understood that: the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (16)

1. a display screen signal display changeover method, is characterized in that, comprises the steps:
Account, the IP address of main equipment is obtained by Wireless Presentation Gateway;
Receive the NFC near-field communication connection signal of subset;
Set up NFC near-field communication with subset to mate and be connected;
Connected and subset swap data by NFC near-field communication coupling;
Receive the connection request that subset sends according to the data exchanged;
Wireless connections are set up with subset;
Create and the video wicket corresponding to subset;
The vision signal set up between video wicket and the subset of correspondence is synchronous;
According to the time interval of setting, from the binary stream data that subset transmits, intercept the video data at the main interface of corresponding subset;
Under judging that video data intercepts successful situation, the video data of intercepting is sent to corresponding video wicket and plays, video wicket forms video flowing.
2. display screen signal display changeover method according to claim 1, is characterized in that, the video data of described TV module intercepts comprises RGB primaries analogue video data, and/or YUV measures and component video data.
3. display screen signal display changeover method according to claim 1, it is characterized in that, when judging there is new subset access, create the new video wicket corresponding with the wireless connections subset end newly accessed, and new video wicket is shown on a display screen side by side together with original video wicket.
4. display screen signal display changeover method according to claim 3, is characterized in that, if all video wickets exceed the indication range of display screen, is then arranged at outside display screen indication range by the video wicket of up-to-date establishment.
5. display screen signal display changeover method according to claim 4, is characterized in that, when receiving the move that user sends with touch control manner, is moved in display screen indication range by the video wicket outside display screen indication range.
6. display screen signal display changeover method according to claim 1, is characterized in that, after video wicket creates, also comprises the steps:
Receive the video wicket selection signal that user sends with touch control manner;
The video wicket selected corresponding to signal is enlarged into full screen window.
7. display screen signal display changeover method according to claim 6, is characterized in that, after the video wicket selected corresponding to signal is enlarged into full screen window, also comprises the steps:
Receive switching signal;
Current full screen window is reduced into video wicket.
8. display screen signal display changeover method according to claim 1, is characterized in that, when being connected with external storage equipment, performs following steps:
Receive memory device access signal;
Create memory device wicket;
File in traversal memory device;
The content at the main interface of memory device is resolved: corresponding to the file spanned file clip icon at the main interface of memory device; Corresponding to the video file generating video file, picture at the main interface of memory device, using video file first frame thumbnail as image content; Corresponding to the static images file at the main interface of memory device, generate thumbnail, and thumbnail is presented in memory device wicket as picture icon; Corresponding to the text at the main interface of memory device, generate text icon, extract the original character in text icon according to setting number, character content is presented in text icon; Corresponding to the motion picture files at the main interface of memory device, generate dynamic picture icon, extract dynamic picture first frame, using the first frame thumbnail as moving picture content; Corresponding to audio file, generate audio frequency icon, the information such as the title of audio file, length are shown in audio frequency icon.
9. a display screen signal display switching device, it is characterized in that, comprise wireless connections main equipment end, NFC primary module, TV module and window management module, wireless connections main equipment end is connected with NFC primary module, TV module and window management module, and TV module is connected with window management module; Described wireless connections main equipment end obtains account, the IP address of main equipment by Wireless Presentation Gateway; Described NFC module receives the NFC near-field communication connection signal of subset, sets up NFC near-field communication mate and be connected with subset, is connected and subset swap data by NFC near-field communication coupling; Described wireless connections main equipment termination receives the connection request that subset sends according to the data exchanged; Described window management module creates and the video wicket corresponding to subset; The vision signal that TV module is set up between video wicket and the subset of correspondence is synchronous, according to the time interval of setting, intercepts the video data at the main interface of corresponding subset from the binary stream data that subset transmits; The video data of intercepting, under judging that video data intercepts successful situation, is also sent to corresponding video wicket and plays, video wicket forms video flowing by described TV module.
10. display screen signal display switching device according to claim 9, is characterized in that, the video data of described TV module intercepts comprises RGB primaries analogue video data, and/or YUV measures and component video data.
11. display screen signal display switching devices according to claim 9, it is characterized in that, when described window management module judges there is new subset access, create the new video wicket corresponding with the subset newly accessed, and new video wicket is shown on a display screen side by side together with original video wicket.
12. display screen signal display switching devices according to claim 11, is characterized in that, if all video wickets exceed the indication range of display screen, then the video wicket of up-to-date establishment is arranged at outside display screen indication range by window management module.
13. display screen signal display switching devices according to claim 12, is characterized in that, when receiving the move that user sends with touch control manner, are moved in display screen indication range by the video wicket outside display screen indication range.
14. display screen signal display switching devices according to claim 9, is characterized in that, also comprise selection module, connect in window management module; After video wicket creates, receive the video wicket selection signal that user sends with touch control manner; The video wicket selected corresponding to signal is enlarged into full screen window by window management module.
15. display screen signal display switching devices according to claim 14, is characterized in that, after the video wicket selected corresponding to signal is enlarged into full screen window, described selection module receives switching signal; Then current full screen window is reduced into video wicket by described window management module.
16. display screen signal display switching devices according to claim 9, is characterized in that, also comprise parsing module, interface administration module, be connected respectively with window management module; When display screen signal display switching device is connected with external storage equipment, described interface administration module receives memory device access signal; Described window management module creates memory device wicket; File in described parsing module traversal memory device, and the content at the main interface of memory device is resolved: corresponding to the file spanned file clip icon at the main interface of memory device; Corresponding to the video file generating video file, picture at the main interface of memory device, using video file first frame thumbnail as image content; Corresponding to the static images file at the main interface of memory device, generate thumbnail, and thumbnail is presented in memory device wicket as picture icon; Corresponding to the text at the main interface of memory device, generate text icon, extract the original character in text icon according to setting number, character content is presented in text icon; Corresponding to the motion picture files at the main interface of memory device, generate dynamic picture icon, extract dynamic picture first frame, using the first frame thumbnail as moving picture content; Corresponding to audio file, generate audio frequency icon, the information such as the title of audio file, length are shown in audio frequency icon.
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