CN105100645A - Terminal switching program method and terminal - Google Patents
Terminal switching program method and terminal Download PDFInfo
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- CN105100645A CN105100645A CN201510444563.4A CN201510444563A CN105100645A CN 105100645 A CN105100645 A CN 105100645A CN 201510444563 A CN201510444563 A CN 201510444563A CN 105100645 A CN105100645 A CN 105100645A
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Abstract
An embodiment of the invention discloses a terminal switching program method and a terminal, relates to the digital television field and aims at providing a rapid switching HDMI signal scheme. A user operation can be simplified and a user experience is provided. In the embodiment of the invention, when satisfying a preset condition, the terminal acquires prestored historical screenshots corresponding to each HDMI port, and the acquired historical screenshots are displayed on a display interface of the terminal; the terminal acquires a clicking and selection operation which is input by a user and aims at any one historical screenshot, an identification of the HDMI port corresponding to the historical screenshot is found in a pre-established mapping table, a current video input source is switched into a signal input by the HDMI port and the signal input by the HDMI port is played. Therefore, the above problem is solved.
Description
Technical field
The present invention relates to digital TV field, particularly relate to a kind of method and terminal of terminal switch program.
Background technology
HDMI (HighDefinitionMultimediaInterface, high-definition multimedia port) is a kind of digitized video/audio interface technology, is the tailored version digital interface of applicable image transmission, can transmits audio frequency and signal of video signal simultaneously.
In general, various terminal (as television equipment, computer, notebook computer) all possesses multiple HDMI, for receive and play external equipment transmission TV signal (including but not limited to VGA (VideoGraphicsArray, video transmission standard) signal, HDMI signal etc.).But because the hardware resource of terminal is limited, the Video Decoder of terminal inner is not supported multiplexed, the signal that the HDMI port therefore needing user manually to select to want to play is corresponding.
But user is when switching signal corresponding to each HDMI port, and owing to not knowing the programme content corresponding to signal condition corresponding to each HDMI port and signal, therefore user needs repeatable operation repeatedly just can be switched to want the program watched.For example, terminal has 3 HDMI ports (being respectively HDMI_1 port, HDMI_2 port and HDMI_3 port), current HDMI_1 port no signal, the signal that HDMI_2 port is corresponding are the signal that program A, HDMI_3 port is corresponding is program B, when user wants viewing program B, need to be switched to HDMI_2 port from HDMI_1 port successively, then be switched to HDMI_3 port and could watch program B.
Because user cannot obtain by the programme content corresponding to the signal source of each HDMI port input, therefore user need to switch successively, each HDMI signal source, just can find the program wanting to watch.
Summary of the invention
The embodiment of the present invention provides a kind of method and terminal of terminal switch program, in order to provide a kind of scheme of quick switching HDMI signal, can simplify user operation, provide Consumer's Experience.
The embodiment of the present invention provides a kind of method of terminal switch program, and the method comprises:
Terminal, when meeting pre-conditioned, obtains that prestore, corresponding with each HDMI port history sectional drawing, and on the display interface of described terminal, shows the history sectional drawing got;
Described terminal obtains the some selection operation for arbitrary history sectional drawing of user's input, the mark of the HDMI port corresponding with this history sectional drawing is searched in the mapping table set up in advance, current video input source is switched to the signal that described HDMI port inputs, and play the signal that described HDMI port inputs.
The embodiment of the present invention also provides a kind of terminal, and this terminal comprises:
Acquiring unit, for when meeting pre-conditioned, obtaining that prestore, corresponding with each HDMI port history sectional drawing, and on the display interface of described terminal, showing the history sectional drawing got;
Switch unit, for obtaining the some selection operation for arbitrary history sectional drawing of user's input, the mark of the HDMI port corresponding with this history sectional drawing is searched in the mapping table set up in advance, current video input source is switched to the signal that described HDMI port inputs, and play the signal that described HDMI port inputs.
As can be seen from technique scheme, the embodiment of the present invention can by detecting the mode of the signal condition of HDMI port, judge whether to there is the HDMI port connected, thus provide one and do not need user to perform any operation, the scheme of the signal condition of HDMI port can be obtained, further, the embodiment of the present invention can get in advance and play, the history sectional drawing of the programme content of input signal is provided by connecting HDMI port, and, set up the corresponding relation between each HDMI port-mark and history sectional drawing, to make when terminal meets pre-conditioned, corresponding relation between each HDMI port and history sectional drawing can be shown for user, be equivalent to for each HDMI port is provided with patterned mark, the program that user can be made to obtain this HDMI port more intuitively play, avoid user and can only obtain program corresponding to each HDMI port by the mode switching HDMI signal source successively, thus simplify user operation, improve Consumer's Experience.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly introduced, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The schematic flow sheet of the method for a kind of terminal switch program that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the structural representation of the intelligent television in the embodiment of the present invention;
Fig. 3 is the signal stream processing logic schematic diagram of the HDMI detection module of intelligent television in the embodiment of the present invention;
Fig. 4 is the signal stream processing logic schematic diagram that the vision signal of intelligent television in the embodiment of the present invention preserves module;
Fig. 5 is the schematic diagram of the Hotplug port mapping in the embodiment of the present invention;
Fig. 6 is the schematic diagram of the HDMI menu of intelligent television in the embodiment of the present invention;
The structural representation of the terminal that Fig. 7 provides for the embodiment of the present invention.
Embodiment
In order to make the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail, and obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention can be applied to various types of terminal (as: intelligent television, notebook computer, desktop computer etc.), and the embodiment of the present invention can also be applicable to the various equipment possessing HDMI port.
Fig. 1 shows the schematic flow sheet of the method for a kind of terminal switch program that the embodiment of the present invention provides, and as shown in Figure 1, this flow process can comprise:
Step 11: terminal, when meeting pre-conditioned, obtains that prestore, corresponding with each HDMI port history sectional drawing, and show the history sectional drawing got on the display interface of terminal.
Step 12: terminal obtains the some selection operation for arbitrary history sectional drawing of user's input, the mark of the HDMI port corresponding with this history sectional drawing is searched in the mapping table set up in advance, the signal switching to HDMI port to input current video input source, and the signal playing that HDMI port inputs.
Optionally, before above-mentioned steps 11, terminal is set up in the following way and is upgraded mapping table: for the HDMI port connected, when terminal plays by connect HDMI port the program of input signal is provided time, every prefixed time interval, terminal performs screenshotss process to current screen, obtains the sectional drawing for representing the programme content play, and is preserved by any one or more sectional drawing in whole sectional drawing as the history sectional drawing connecting the program that HDMI port correspondence is play; And according to the mark of the history sectional drawing preserved and the HDMI port connected, upgrade the record in mapping table.
Optionally, before above-mentioned steps 11, terminal is set up in the following way and is upgraded mapping table: for the HDMI port connected, when terminal plays by connect HDMI port the program of input signal is provided time, at Preset Time point, terminal performs screenshotss process to current screen, obtain the sectional drawing for representing the programme content play, and image recognition is carried out to sectional drawing, and according to image recognition result, sectional drawing is preserved as the history sectional drawing connecting the program that HDMI port correspondence is play; And according to the mark of the history sectional drawing preserved and the HDMI port connected, upgrade the record in mapping table.
Optionally, before above-mentioned steps 11, terminal is set up in the following way and is upgraded mapping table: for the HDMI port connected, when terminal by signal to be played by connect HDMI port input signal switching to other signals time, screenshotss process is performed to current screen, obtain the sectional drawing for representing the programme content play, sectional drawing is preserved as the history sectional drawing connecting the program that HDMI port correspondence is play; And according to the mark of the history sectional drawing preserved and the HDMI port connected, upgrade the record in mapping table.
Optionally, before above-mentioned steps 11, terminal is set up in the following way and is upgraded mapping table:
For the HDMI port connected, when terminal receives the screenshotss instruction being used to indicate terminal preservation current video frame, screenshotss process is performed to current screen, obtain the sectional drawing for representing the programme content play, sectional drawing is preserved as the history sectional drawing connecting the program that HDMI port correspondence is play; And according to the mark of the history sectional drawing preserved and the HDMI port connected, upgrade the record in mapping table.
Optionally, in above-mentioned steps, determine the HDMI port connected in the following way: the change in voltage situation of each HDMI port of terminal monitoring, if in HDMI port, there is the action of low-voltage pulse that pulsewidth exceedes predetermined time period, then this HDMI port is defined as connecting HDMI port.
Optionally, in above-mentioned steps 11, if terminal receives the instruction being used to indicate terminal demonstration mapping table, then terminal meets pre-conditioned; If or terminal monitoring is to the HDMI signal source of at least one new connection, then terminal meets pre-conditioned; If or terminal is current does not play any vision signal, then terminal meets pre-conditioned.
With the intelligent television with multiple HDMI port, the embodiment of the present invention is described in detail below.
The embodiment of the present invention is a kind of novel, HDMI signal switching method fast based on HDMI protocol realization, and its concrete inventive point is as follows:
The first, the embodiment of the present invention can monitor all HDMI signal conditions dynamically.
The second, the embodiment of the present invention can obtain the history sectional drawing of the program that each HDMI port (also can be described as HDMI port, HDMI mouth or HDMI passage etc.) was play.
3rd, the embodiment of the present invention can show the custom menu of available HDMI signal source dynamically.
Intelligent television in embodiments of the present invention can be made up of following 4 modules, and Fig. 2 shows the structural representation of the intelligent television in the embodiment of the present invention, and as shown in Figure 2, above-mentioned 4 modules are respectively:
HDMI detection module 21, be arranged in and drive layer, its function can comprise: the signal condition of all HDMI hardware ports of real-time monitoring, and signal connected/disconnected state is informed to the service processes 22 of application layer.
The service processes 22 of application layer, its function can comprise: 1) port mapping, 2) thumbnail obtains and preserves, and specifically for sending signal condition query messages to HDMI detection module 21, and receives the signal connected/disconnected state notice of HDMI detection module 21 feedback; Preserve module 24 to vision signal and send screenshotss notice, preserve module 24 using instruction video signal and preserve a frame of video as screenshot capture; And carry out alternately with user interactions program 23.
User interactions program 23, is arranged in application layer, and its function can comprise: signal condition and the history sectional drawing of showing HDMI passage.
Vision signal preserves module 24, and be arranged in and drive layer, its function can comprise: preserve one-frame video data to application layer.
The flow of event triggered by intelligent television in embodiments of the present invention can comprise:
Event one: outside HDMI signal source is connected.
Concrete, after HDMI detection module detects that a certain road HMDI has signal to connect, the service processes of notice application layer; After the service processes of application layer has notice, actual HDMI signal source is converted to by physical/logical address mapping table, in fact by physical/logical address mapping table, by detect connect this port physical address translations be the logical address of corresponding HDMI signal source, and inquire about the history sectional drawing of its correspondence, invoke user interactive program pop-up window is pointed out.
Event two: user recalls menu and checks all signal source states.
Concrete, the service processes of user interactions routine call application layer inquires about the signal condition of each HDMI.For the signal source not having signal, use grey icon mark, the Text Flag of signal source name is set to grey simultaneously, represents that this signal source does not have signal; For the signal source having signal, the service processes calling application layer inquires about its history sectional drawing, and using this history sectional drawing as icon mark (i.e. thumbnail), the Text Flag of signal source name is arranged to high light tone, identifying this signal source has signal simultaneously.
Event three: signal source switches.
When signal source is cut away time, the service processes of application layer calls and drives the vision signal of layer to preserve module preservation sectional drawing.
Fig. 3 ~ Fig. 6 respectively illustrates the major function of the intelligent television in the embodiment of the present invention and the schematic diagram of menu, wherein, Fig. 3 shows the signal stream processing logic schematic diagram of the HDMI detection module of the intelligent television in the embodiment of the present invention, Fig. 4 shows the signal stream processing logic schematic diagram of the vision signal preservation module of the intelligent television in the embodiment of the present invention, Fig. 5 shows the schematic diagram of the Hotplug port mapping in the embodiment of the present invention, and Fig. 6 shows the schematic diagram of the HDMI menu of the intelligent television in the embodiment of the present invention; Respectively each module of the intelligent television in the embodiment of the present invention and the concrete function of menu are described in detail below in conjunction with Fig. 3 ~ Fig. 6.
With reference to Fig. 3, driving the HDMI detection module 32 in layer, is the independent thread of of garrisoning in the driver of HDMI, for detecting the signal condition of HDMI.This thread can be real-time the voltage status of Hotplug pin of all HDMI ports of inquiry.After finding that the Hotplug magnitude of voltage on a certain HDMI port is dragged down, recorded, entered the filtering module of this HDMI mouth corresponding.The effect of filtering module prevents wrong report, that is, when only having that Hotplug magnitude of voltage is stable low pressure always within a certain period of time, is just considered to effective.After passing through filtering module, the change of this voltage is recorded by as an effective signal connection event.Meanwhile, this time event is by the call back function of application program registered in advance, and carrying out the some HDMI of notification application has signal to connect to come in.Accordingly, if dropout also notifies application program by identical logic.Driver module records the signal condition of current all HDMI ports simultaneously, can inquire about for the service processes 31 of application layer.
With reference to Fig. 4, the vision signal of layer is driven to preserve module 42, the command calls of this module receives user program, copies the memory address that user specifies to by one of the video content of current display secondary picture data, and then for carrying out alternately with the service processes 41 of application layer.Drive the vision signal of layer to preserve module and receive the input of HDMI signal, and when receiving sectional drawing order, driving internal memory screenshotss, and image quality process is carried out to the picture that screenshotss obtain, and the picture after image quality process is exported as sectional drawing.
It should be noted that, in embodiments of the present invention, the opportunity performing screenshotss operation can comprise: every prefixed time interval, performs screenshotss process to current screen; Or, in preset time period, screenshotss process is performed to current screen; Or, in preset time period, screenshotss process is performed to current screen, and image recognition is carried out to the sectional drawing after process, in order to obtain the information such as placard, title for representing the programme content play; Or, when signal source is cut away, screenshotss process is performed to current screen; Or, after receiving the screenshotss instruction of user's transmission, screenshotss process is performed to current screen; Visible, the opportunity performing screenshotss operation in the embodiment of the present invention can include but not limited to above-mentioned situation, repeats no longer one by one here.
The service processes of application layer, specifically for acquisition operation and the dispatched users menu operation of execution port map operation, thumbnail.
Fig. 5 shows the schematic diagram of the Hotplug port mapping in the embodiment of the present invention, and as shown in Figure 5, port mapping operation specifically comprises: the concrete I/O port of the corresponding chip of each HDMI port in the aspect driven.When the service processes of application layer gets the signal condition of each HDMI, need to map the physical address of I/O port and the logical address of HDMI port, in order to determine the logical address of the HDMI port that this hardware port (i.e. the physical address of I/O port) is corresponding.This mapping can be realized by predefined mapping table.
Still as shown in Figure 5, in port mapping process, there are two mappings, wherein map the inverse transformation that 2 are mapping 1.
Wherein, map 1 specifically for when user's grafting HDMI wire, silk-screen is had to identify HDMI1 on port side, HDMI2, HDMI3 etc., table 1 shows the mapping relations of mapping 1, as shown in table 1, mapping 1 illustrates the mapping relations between television set port-mark and hardware address, maps 1 line representing hardware circuit board and port silk-screen in other words and selects.
Table 1
So after user inserts HDMI2, driving can inform application layer 2003 port has signal to input.After application layer is notified, carries out " mapping 2 " conversion in Fig. 2, be specially: table look-up 1 with keyword " 2003 " is counter, obtain HDMI2.
Concrete, the acquisition operation of thumbnail specifically comprises: because of the limited hardware resource of television system, when decoding current demand signal source, can not remove the video processing non-present signalling channel.So when detecting that a certain HDMI passage has signal, can not its signal content of Real-time Obtaining.Therefore save historical data and be used as the sign picture of this passage.The opportunity of preserving is the moment of closing the display of this signal source last time.Such as be switched to live telecast passage from HDMI1, the video first preserving a frame HDMI is for subsequent use, then closes HDMI, opens live telecast.Like this when viewing live telecast, if HDMI1 passage has signal to access, so just show on custom menu with the picture preserved before.Implementation procedure is, distributes one piece of internal memory, and using its address as Parameter transfer to driver module, copy one-frame video data to this address by driver module.This image data and signal source one_to_one corresponding, when application menu needs the thumbnail showing a certain signal source, indicate index picture with signal source.
Concrete, dispatched users menu operation specifically comprises: accept to drive the notice that the signal of layer connects or disconnects, signal source state shown by dispatched users menu.
See Fig. 6, the menu displaying of application layer, is after driving detects that signal access is come in, ejects dialog box and carry out reminding user.Wherein, the information of dialog box can comprise video thumbnails and signal source name.When the source list of user's opening signal, whether connect according to each signal source, indicate different states.If signal source is not connected, icon replaces with the grey acquiescence picture of mark down state, word also grizzle.If there is signal, show history sectional drawing as thumbnail.
As can be seen from technique scheme, the embodiment of the present invention can detect the signal condition of non-present signal source, adopts the level state of Hotplug to detect the state of non-present signal source, and effectively reduces wrong report by the mode of filtering and fail to report phenomenon.Meanwhile, the present invention can also identify using video interception as signal source, for user provides the selection mode of view, is convenient to the HDMI passage that user needs by the way selection of image identification to be switched to, simplifies user operation, improve Consumer's Experience.
Based on identical know-why, the embodiment of the present invention additionally provides a kind of terminal, and Fig. 7 shows the structural representation of the terminal that the embodiment of the present invention provides, and as shown in Figure 7, this terminal comprises:
Acquiring unit 71, for when meeting pre-conditioned, obtaining that prestore, corresponding with each HDMI port history sectional drawing, and on the display interface of described terminal, showing the history sectional drawing got;
Switch unit 72, for obtaining the some selection operation for arbitrary history sectional drawing of user's input, the mark of the HDMI port corresponding with this history sectional drawing is searched in the mapping table set up in advance, current video input source is switched to the signal that described HDMI port inputs, and play the signal that described HDMI port inputs.
Optionally, this terminal also comprises: mapping table generates and updating block, for for the HDMI port connected, when described terminal plays by described connected HDMI port the program of input signal is provided time, every prefixed time interval, described terminal performs screenshotss process to current screen, obtains the sectional drawing for representing the programme content play, and is preserved by any one or more sectional drawing in whole sectional drawing as the described history sectional drawing having connected the program that HDMI port correspondence is play; And according to the mark of the history sectional drawing preserved and the described HDMI port connected, upgrade the record in described mapping table.
Optionally, this terminal also comprises: mapping table generates and updating block, for for the HDMI port connected, when described terminal plays by described connected HDMI port the program of input signal is provided time, at Preset Time point, described terminal performs screenshotss process to current screen, obtain the sectional drawing for representing the programme content play, and image recognition is carried out to described sectional drawing, and according to image recognition result, described sectional drawing is preserved as the described history sectional drawing having connected the program that HDMI port correspondence is play; And according to the mark of the history sectional drawing preserved and the described HDMI port connected, upgrade the record in described mapping table.
Optionally, this terminal also comprises: mapping table generates and updating block, for for the HDMI port connected, when described terminal by signal to be played by described connected HDMI port input signal switching to other signals time, screenshotss process is performed to current screen, obtain the sectional drawing for representing the programme content play, described sectional drawing is preserved as the described history sectional drawing having connected the program that HDMI port correspondence is play; And according to the mark of the history sectional drawing preserved and the described HDMI port connected, upgrade the record in described mapping table.
Optionally, this terminal also comprises: mapping table generates and updating block, for for the HDMI port connected, when described terminal receives the screenshotss instruction being used to indicate described terminal preservation current video frame, screenshotss process is performed to current screen, obtain the sectional drawing for representing the programme content play, described sectional drawing is preserved as the described history sectional drawing having connected the program that HDMI port correspondence is play; And according to the mark of the history sectional drawing preserved and the described HDMI port connected, upgrade the record in described mapping table.
Optionally, described mapping table to generate and updating block specifically for the change in voltage situation of monitoring each HDMI port, if in described HDMI port, there is the action of low-voltage pulse that pulsewidth exceedes predetermined time period, then this HDMI port is defined as connecting HDMI port.
Optionally, described acquiring unit specifically for: if described terminal receives the instruction being used to indicate mapping table described in described terminal demonstration, then described terminal meets pre-conditioned; If or described terminal monitoring is to the HDMI signal source of at least one new connection, then described terminal meets pre-conditioned; If or described terminal is current does not play any vision signal, then described terminal meets pre-conditioned.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can be provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device, make the function that the instruction that performed by the processor of this computer or other programmable data processing device can be specified in a flow process in realization flow figure or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in a flow process of flow chart or a square frame of multiple flow process and/or block diagram or multiple square frame.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (8)
1. a method for terminal switch program, is characterized in that, the method comprises:
Terminal, when meeting pre-conditioned, obtains that prestore, corresponding with each HDMI port history sectional drawing, and on the display interface of described terminal, shows the history sectional drawing got;
Described terminal obtains the some selection operation for arbitrary history sectional drawing of user's input, the mark of the HDMI port corresponding with this history sectional drawing is searched in the mapping table set up in advance, current video input source is switched to the signal that described HDMI port inputs, and play the signal that described HDMI port inputs.
2. the method for claim 1, is characterized in that, described terminal is set up in the following way and upgraded mapping table:
For the HDMI port connected, when described terminal plays by described connected HDMI port the program of input signal is provided time, every prefixed time interval, described terminal performs screenshotss process to current screen, obtain the sectional drawing for representing the programme content play, any one or more sectional drawing in whole sectional drawing is preserved as the described history sectional drawing having connected the program that HDMI port correspondence is play; And according to the mark of the history sectional drawing preserved and the described HDMI port connected, upgrade the record in described mapping table.
3. the method for claim 1, is characterized in that, described terminal is set up in the following way and upgraded mapping table:
For the HDMI port connected, when described terminal plays by described connected HDMI port the program of input signal is provided time, at Preset Time point, described terminal performs screenshotss process to current screen, obtain the sectional drawing for representing the programme content play, and image recognition is carried out to described sectional drawing, and according to image recognition result, described sectional drawing is preserved as the described history sectional drawing having connected the program that HDMI port correspondence is play; And according to the mark of the history sectional drawing preserved and the described HDMI port connected, upgrade the record in described mapping table.
4. the method for claim 1, is characterized in that, described terminal is set up in the following way and upgraded mapping table:
For the HDMI port connected, when described terminal by signal to be played by described connected HDMI port input signal switching to other signals time, screenshotss process is performed to current screen, obtain the sectional drawing for representing the programme content play, described sectional drawing is preserved as the described history sectional drawing having connected the program that HDMI port correspondence is play; And according to the mark of the history sectional drawing preserved and the described HDMI port connected, upgrade the record in described mapping table.
5. the method for claim 1, is characterized in that, described terminal is set up in the following way and upgraded mapping table:
For the HDMI port connected, when described terminal receives the screenshotss instruction being used to indicate described terminal preservation current video frame, screenshotss process is performed to current screen, obtain the sectional drawing for representing the programme content play, described sectional drawing is preserved as the described history sectional drawing having connected the program that HDMI port correspondence is play; And according to the mark of the history sectional drawing preserved and the described HDMI port connected, upgrade the record in described mapping table.
6. the method according to any one of claim 2-5, is characterized in that, determines the HDMI port connected in the following way:
The change in voltage situation of each HDMI port of described terminal monitoring, if in described HDMI port, there is the action of low-voltage pulse that pulsewidth exceedes predetermined time period, is then defined as connecting HDMI port by this HDMI port.
7. the method for claim 1, is characterized in that, described terminal meets pre-conditioned, is specially:
If described terminal receives the instruction being used to indicate mapping table described in described terminal demonstration, then described terminal meets pre-conditioned; Or
If described terminal monitoring is to the HDMI signal source of at least one new connection, then described terminal meets pre-conditioned; Or
If described terminal is current do not play any vision signal, then described terminal meets pre-conditioned.
8. a terminal, is characterized in that, this terminal comprises:
Acquiring unit, for when meeting pre-conditioned, obtaining that prestore, corresponding with each HDMI port history sectional drawing, and on the display interface of described terminal, showing the history sectional drawing got;
Switch unit, for obtaining the some selection operation for arbitrary history sectional drawing of user's input, the mark of the HDMI port corresponding with this history sectional drawing is searched in the mapping table set up in advance, current video input source is switched to the signal that described HDMI port inputs, and play the signal that described HDMI port inputs.
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| CN108701317A (en) * | 2016-02-29 | 2018-10-23 | 高通股份有限公司 | Using image segmentation techniques related communication is experienced with Online e-business to enhance |
| CN111857857A (en) * | 2019-04-24 | 2020-10-30 | 钉钉控股（开曼）有限公司 | Interface display method, device and equipment |
| CN114007022A (en) * | 2020-07-28 | 2022-02-01 | 西安诺瓦星云科技股份有限公司 | Video source switching method and device and LED display screen control system |
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| CN114007022A (en) * | 2020-07-28 | 2022-02-01 | 西安诺瓦星云科技股份有限公司 | Video source switching method and device and LED display screen control system |
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Application publication date: 20151125 |