CN107135355A - HDMI inputs source switch method, device and computer-readable recording medium - Google Patents
HDMI inputs source switch method, device and computer-readable recording medium Download PDFInfo
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- CN107135355A CN107135355A CN201710257365.6A CN201710257365A CN107135355A CN 107135355 A CN107135355 A CN 107135355A CN 201710257365 A CN201710257365 A CN 201710257365A CN 107135355 A CN107135355 A CN 107135355A
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- input ports
- hdmi
- hdmi input
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The disclosure is directed to a kind of HDMI inputs source switch method, device and computer-readable recording medium, this method includes：When by being that HDMI input ports that HDMI output ports are connected switch to the 2nd HDMI input ports from the first HDMI input ports at least two HDMI input ports with HDMI, display data channel i.e. DDC can not be received the content-data from the first HDMI input ports, and maintain the operation level related to the 2nd HDMI input ports, wherein, at least two HDMI input ports can be connected by the DDC with the HDMI output ports.Thus, it can ensure when switching to the 2nd HDMI input ports, the content-data from the 2nd HDMI input ports can quickly be exported, so that user by the HDMI input ports connected with HDMI output ports from the first HDMI input ports switch to the 2nd HDMI input ports when television screen will not blank screen without export, improve the experience of user.
Description
Technical field
This disclosure relates to digital communication technology field, more particularly to HDMI inputs source switch method, device and computer can
Read storage medium.
Background technology
In correlation technique, in the transmitting procedure of high-definition data, in order to which the data for ensureing transmitted are not got compromised, using height
Bandwidth digital contents protection (English：High-bandwidth Digital Content Protection, referred to as：HDCP) come
The data transmitted are encrypted, are not decrypted with the data for ensureing transmitted.
In following evolution, HDMI (English：High Definition Multimedia
Interface, referred to as：HDMI) transmission high-definition data is a kind of trend, and in today of internet development, Split TV set is also
Following developing direction, thus can very easily update the main frame of television set, meanwhile, HDMI is exactly to transmit high definition number
According to and come.
However, when switching HDMI input ports, several seconds of television screen meeting blank screen, subsequent television screen can be switched to
New HDMI input ports.
The content of the invention
To overcome problem present in correlation technique, the disclosure provides a kind of HDMI inputs source switch method, device and meter
Calculation machine readable storage medium storing program for executing.
Source switch method is inputted there is provided a kind of HDMI according to the first aspect of the embodiment of the present disclosure, including：
To be the HDMI input ports that connect of HDMI output ports from least two with HDMI
When the first HDMI input ports in HDMI input ports switch to the 2nd HDMI input ports, make display data channel i.e. DDC
The content-data from the first HDMI input ports can not be received, and is maintained related to the 2nd HDMI input ports
Operation level,
Wherein, at least two HDMI input ports can be connected by the DDC with the HDMI output ports.
For the above method, in a kind of possible implementation, the work related to the 2nd HDMI input ports
The hot plug of level including the 2nd HDMI input ports be the level and the 2nd HDMI input ports of HPD signal most
Smallization differential signal transmission is at least one in the level of the clock signal of TMDS channels.
For the above method, in a kind of possible implementation, in addition to：
Switched to by the HDMI input ports connected with the HDMI output ports from the first HDMI input ports
During other HDMI input ports, the operation level related to the first HDMI input ports is maintained；And
Switched back into by the HDMI input ports connected with the HDMI output ports from other described HDMI input ports
During the first HDMI input ports, the DDC is set to receive the content-data from the first HDMI input ports,
Wherein, the operation level related to the first HDMI input ports includes the heat of the first HDMI input ports
Plug is the level of HPD signal and the minimum differential signal transmission i.e. clock of TMDS channels of the first HDMI input ports
At least one in the level of signal.
For the above method, in a kind of possible implementation, in addition to：
Switched to by the HDMI input ports connected with the HDMI output ports from the first HDMI input ports
During other HDMI input ports, DDC status indicators position corresponding with the first HDMI input ports is removed, wherein, the DDC
Status indicator position represents that the DDC of the first HDMI input ports is in normal condition.
For the above method, in a kind of possible implementation, in addition to：
Switched back into by the HDMI input ports connected with the HDMI output ports from other described HDMI input ports
During the first HDMI input ports, the DDC status indicators position is set.
For the above method, in a kind of possible implementation, in addition to：
In the case where the quantity of at least two HDMI input ports is more than three, it will exported with the HDMI
Port connection HDMI input ports from the first HDMI input ports switch to the 2nd HDMI input ports when, maintain
The work related to other HDMI input ports in addition to the first HDMI input ports, the 2nd HDMI input ports
Level；
Wherein, inputted with other HDMI in addition to the first HDMI input ports, the 2nd HDMI input ports
The hot plug that the related operation level in port includes other HDMI input ports be HPD signal level and it is described other
The minimum differential signal transmission of HDMI input ports is at least one in the level of the clock signal of TMDS channels.
According to the second aspect of the embodiment of the present disclosure there is provided a kind of HDMI input sources switching device, including：
At least two HDMIs are HDMI input ports；
A HDMI output port corresponding with least two HDMI input ports, at least two HDMI inputs
Port can be that DDC is connected with the HDMI output ports by display data channel；And
First control module, in the HDMI input ports that will be connected with the HDMI output ports from described at least two
When the first HDMI input ports in individual HDMI input ports switch to the 2nd HDMI input ports, the DDC is set not receive
Content-data from the first HDMI input ports, and maintain the work electricity related to the 2nd HDMI input ports
It is flat.
For said apparatus, in a kind of possible implementation,
The operation level related to the 2nd HDMI input ports includes the hot plug of the 2nd HDMI input ports
That is the minimum differential signal transmission of the level of HPD signal and the 2nd HDMI input ports is the clock signal of TMDS channels
Level at least one.
For said apparatus, in a kind of possible implementation, in addition to：
Second control module, in the HDMI input ports that will be connected with the HDMI output ports from described first
When HDMI input ports switch to other HDMI input ports, the work electricity related to the first HDMI input ports is maintained
It is flat；And
3rd control module, for the HDMI input ports that will be connected with the HDMI output ports from it is described other
When HDMI input ports switch back into the first HDMI input ports, receive the DDC and come from the first HDMI inputs
The content-data of mouth,
Wherein, the operation level related to the first HDMI input ports includes the heat of the first HDMI input ports
Plug is the level of HPD signal and the minimum differential signal transmission i.e. clock of TMDS channels of the first HDMI input ports
At least one in the level of signal.
For said apparatus, in a kind of possible implementation, in addition to：
Module is removed, for defeated from the first HDMI in the HDMI input ports that will be connected with the HDMI output ports
When inbound port switches to other HDMI input ports, DDC status indicators position corresponding with the first HDMI input ports is removed,
Wherein, the DDC status indicators position represents that the DDC of the first HDMI input ports is in normal condition.
For said apparatus, in a kind of possible implementation, in addition to：
Setup module, for defeated from other described HDMI in the HDMI input ports that will be connected with the HDMI output ports
When inbound port switches back into the first HDMI input ports, the DDC status indicators position is set.
For said apparatus, in a kind of possible implementation, in addition to：
4th control module, in the case of being more than three in the quantity of at least two HDMI input ports,
The HDMI input ports connected with the HDMI output ports are being switched to described second from the first HDMI input ports
During HDMI input ports, maintain and other in addition to the first HDMI input ports, the 2nd HDMI input ports
The related operation level of HDMI input ports；And
Wherein, inputted with other HDMI in addition to the first HDMI input ports, the 2nd HDMI input ports
The hot plug that the related operation level in port includes other HDMI input ports be HPD signal level and it is described other
The minimum differential signal transmission of HDMI input ports is at least one in the level of the clock signal of TMDS channels.
According to the third aspect of the embodiment of the present disclosure there is provided a kind of HDMI input sources switching device, including：
Processor；
Memory for storing processor-executable instruction；
At least two HDMIs are HDMI input ports；And
A HDMI output port corresponding with least two HDMI input ports, at least two HDMI inputs
Port can be that DDC is connected with the HDMI output ports by display data channel,
Wherein, the processor is configured as：
By with HDMI input ports that the HDMI output ports are connected from least two HDMI input ports
The first HDMI input ports when switching to the 2nd HDMI input ports, the DDC can not be received from the first HDMI
The content-data of input port, and maintain the operation level related to the 2nd HDMI input ports.
According to the fourth aspect of the embodiment of the present disclosure there is provided a kind of computer-readable recording medium, calculating is stored thereon with
Machine program, the step of program realizes the above method when being executed by processor.
The technical scheme provided by this disclosed embodiment can include the following benefits：It can ensure switching to second
During HDMI input ports, the content-data from the 2nd HDMI input ports can be quickly exported, so that user will be with
HDMI output ports connection HDMI input ports from the first HDMI input ports switch to the 2nd HDMI input ports when TV
Machine screen will not blank screen without export.Therefore, the disclosure can be switched fast quickly to cut in response to HDMI input ports
The content-data shown by television screen is changed, the experience of user is improved.
In a kind of possible embodiment, the technical scheme provided by this disclosed embodiment can include following beneficial effect
Really：It can ensure, when switching to other any HDMI input ports, can quickly export from other any HDMI inputs
Mouthful content-data so that when switching to other any HDMI input ports television screen will not blank screen without defeated
Go out, improve the experience of user.
In a kind of possible embodiment, the technical scheme provided by this disclosed embodiment can include following beneficial effect
Really：It can ensure when switching back into the first HDMI input ports, can quickly export the content from the first HDMI input ports
Data so that when switching back into the first HDMI input ports television screen will not blank screen without export, improve user
Experience.
In a kind of possible embodiment, the technical scheme provided by this disclosed embodiment can include following beneficial effect
Really：It can judge whether the DDC of HDMI input ports is in normal condition according to the presence or absence of DDC status indicators position.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary and explanatory, not
The disclosure can be limited.
Brief description of the drawings
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows the implementation for meeting the disclosure
Example, and be used to together with specification to explain the principle of the disclosure.
Fig. 1 a are a kind of integrated stand compositions of Split TV set according to an exemplary embodiment.
Fig. 1 b are that a kind of DDC switchings of the HDMI input ports of Split TV set according to an exemplary embodiment are shown
It is intended to.
Fig. 2 is a kind of flow chart of HDMI input source switch methods according to an exemplary embodiment.
Fig. 3 is a kind of flow of an example of HDMI input source switch methods according to an exemplary embodiment
Figure.
Fig. 4 is a kind of flow of an example of HDMI input source switch methods according to an exemplary embodiment
Figure.
Fig. 5 is a kind of block diagram of HDMI input sources switching device according to an exemplary embodiment.
Fig. 6 is a kind of block diagram of an example of HDMI input sources switching device according to an exemplary embodiment.
Fig. 7 is a kind of block diagram of an example of HDMI input sources switching device according to an exemplary embodiment.
Fig. 8 is a kind of block diagram of device 800 switched for HDMI input sources according to an exemplary embodiment.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the disclosure.On the contrary, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects be described in detail in claims, the disclosure.
Fig. 1 a are a kind of integrated stand compositions of Split TV set according to an exemplary embodiment.As shown in Figure 1a,
The Split TV set can include television screen 1 and split main frame 2, and split main frame 2 passes through miport lines and television set
Screen 1 is connected.The split main frame 2 can include HDMI 1, HDMI 2 and HDMI 3 these three HDMIs are
HDMI input ports and a HDMI output port.Can freely it be cut between HDMI input ports included by split main frame 2
Change.HDMI input ports can be DDC by display data channel to connect with HDMI output ports, will be defeated with the HDMI
The content-data of the HDMI input ports of exit port connection is exported to television screen 1.There can only be a HDMI in synchronization
Input port is connected with the HDMI output ports.Split main frame 2 is connected with television screen 1 by a miport line.
Optionally, HDMI 1, HDMI 2 and HDMI 3 these three input ports can share a DDC, synchronization
Only DDC connections of an input port and two other is defeated in HDMI 1, HDMI 2 and HDMI 3 these three input ports
The DDC shut-offs of inbound port.Optionally, in response to the switching of the input port connected with HDMI output ports, shut-off switching before with
The DDC of the input port of HDMI output ports connection, and connect the input port connected after switching with HDMI output ports
DDC。
For example, Fig. 1 b are a kind of HDMI input ports of Split TV set according to an exemplary embodiment
DDC switches schematic diagram.As shown in Figure 1 b, if the HDMI input ports connected with HDMI output ports switched to from HDMI1
HDMI 2, then turn off HDMI 1 DDC and connect HDMI 2 DDC.Similarly, if will connect with HDMI output ports
HDMI input ports switch to HDMI 3 from HDMI 2, then turn off HDMI 2 DDC and connect HDMI 3 DDC.Similarly,
If the HDMI input ports connected with HDMI output ports are switched into HDMI 3 from HDMI 1, HDMI 1 DDC is turned off
And connect HDMI 3 DDC.
Optionally, the quantity of the HDMI input ports included by split main frame 2 can be increased or decreased according to demand, example
Such as, split main frame 2 can include two HDMI input ports, and for example, and split main frame 2 can include more than three HDMI inputs
Mouthful, the disclosure is not construed as limiting to the quantity of HDMI input ports.Optionally, HDMI input ports can be connected with input source, defeated
Enter source can include it is various types of can be by HDMI to TV input image signal and the equipment of audio signal, such as TV
Box, set top box, computer etc., the disclosure is not limited thereto.
Optionally, HDMI output ports are come from and the HDMI output ends by the miport lines to the output of television screen 1
The content-datas of the HDMI input ports of mouthful connection, and 1 pair of television screen with the HDMI output ports from connecting
The content-data of HDMI input ports is shown, in order to which user watches and the program corresponding to the content-data.
For example, it is assumed that HDMI 1, HDMI 2 and HDMI 3 these three HDMI input ports respectively with set top box, calculate
Mechanical, electrical to regard box connection, then when HDMI output ports are connected with HDMI 1, television screen 1 can be shown included by set top box
Content, when HDMI output ports are connected with HDMI 2, television screen 1 can show the content included by computer,
When HDMI output ports are connected with HDMI 3, television screen 1 can be with the content included by display TV box.
Fig. 2 is a kind of flow chart of HDMI input source switch methods according to an exemplary embodiment.The HDMI is defeated
Enter source switch method and can be used for terminal such as split main frame 2, be not limited thereto.As shown in Fig. 2 the HDMI input sources switch
Method may comprise steps of.
In step S210, in the HDMI input ports that will be connected with HDMI output ports from least two HDMI inputs
When the first HDMI input ports in mouthful switch to the 2nd HDMI input ports, DDC is set not receive defeated from the first HDMI
The content-data of inbound port, and the operation level related to the 2nd HDMI input ports is maintained, wherein, at least two HDMI
Input port can be connected by the DDC with the HDMI output ports.
Optionally, user can control the controller of split main frame 2 to cut by remote control, smart mobile phone etc.
Change the HDMI input ports connected with HDMI output ports, for example, user can by click on remote control with the first HDMI
The corresponding button of input port (button can be physical button or virtual key) will be connected with HDMI output ports
HDMI input ports switch to the first HDMI input ports, to select the content-data from the first HDMI input ports.
It should be noted that herein, the HDMI input ports connected with HDMI output ports are inputted from least two HDMI
The first HDMI input ports in port switch to the switching represented by the 2nd HDMI input ports to refer to --- carried out on software
The behavior in source is entered in the source of cutting, and is not necessarily referring to --- plug handover source physically.First HDMI input ports, the 2nd HDMI inputs
Mouth has connected corresponding input source.
Optionally, the content-data from the first HDMI input ports can come to connect with the first HDMI input ports
Input source, the content-data of such as notebook connect, the type of the content-data can include video, audio, game etc..This public affairs
Open and the type of content-data is not construed as limiting.
In a kind of possible implementation, the operation level related to the 2nd HDMI input ports can include second
The hot plug of HDMI input ports be HPD signal level and the 2nd HDMI input ports minimum differential signal transmission i.e.
At least one in the level of the clock signal of TMDS channels.Optionally, the operation level related to the 2nd HDMI input ports
The level of other signals of TMDS channels can also be included.
For example, it is assumed that HDMI 1, HDMI 2 and HDMI 3 these three HDMI input ports respectively with set top box, calculate
It is mechanical, electrical to regard box connection, then when the HDMI input ports connected with HDMI output ports switch to HDMI 2 from HDMI 1, DDC
The content-data from set top box can not be received, simultaneously as the operation level related to HDMI 2 is maintained, therefore DDC from
HDMI 1 is switched to HDMI 2, and DDC can receive the content-data from computer.
Thus, it is possible to ensure when switching to the 2nd HDMI input ports, the 2nd HDMI input ports can be at once by
Hold data and be delivered to HDMI output ports, so that HDMI output ports can be exported quickly in the 2nd HDMI input ports
Hold data so that the HDMI input ports connected with HDMI output ports are switched to second by user from the first HDMI input ports
During HDMI input ports television screen will not blank screen without export.Therefore, the disclosure can be in response to HDMI input ports
Be switched fast to be switched fast the content-data shown by television screen, improve Consumer's Experience.
In a kind of possible implementation, in the situation that the quantity of at least two HDMI input ports is more than three
Under, the HDMI input ports connected with HDMI output ports are being switched into the 2nd HDMI inputs from the first HDMI input ports
During mouth, the work related to other HDMI input ports in addition to the first HDMI input ports, the 2nd HDMI input ports is maintained
Make level, wherein, the hot plug that the operation level related to other HDMI input ports includes other HDMI input ports is HPD
During the minimum differential signal transmission of the level of signal and other HDMI input ports is the level of clock signal of TMDS channels
At least one.
Thus, it is possible to ensure, when switching to other any HDMI input ports, can quickly export any from other
The content-data of HDMI input ports, so that television screen will not blank screen when switching to other any HDMI input ports
Without exporting, the experience of user is improved.
Fig. 3 is a kind of flow of an example of HDMI input source switch methods according to an exemplary embodiment
Figure.As shown in figure 3, in a kind of possible implementation, HDMI input source switch methods can be with step S310 and step
S330。
In step S310, cut by the HDMI input ports connected with HDMI output ports from the first HDMI input ports
When being changed to other HDMI input ports, the operation level related to the first HDMI input ports is maintained.
Optionally, other HDMI input ports are other input ports in addition to the first HDMI input ports.Citing
For, it is assumed that the HDMI 1 in Fig. 1 a is the first HDMI input ports, then HDMI 2 and HDMI 3 is other HDMI input ports.
In a kind of possible implementation, the operation level related to the first HDMI input ports can include first
The hot plug of HDMI input ports be HPD signal level and the first HDMI input ports minimum differential signal transmission i.e.
At least one in the level of the clock signal of TMDS channels.Optionally, the operation level related to the first HDMI input ports
The level of other signals of TMDS channels can also be included.
In step S330, cut by the HDMI input ports connected with HDMI output ports from other HDMI input ports
When gaining the first HDMI input ports, DDC is set to receive the content-data from the first HDMI input ports.
For example, when the HDMI input ports connected with HDMI output ports switch to HDMI 1 from HDMI 2, DDC
The content-data from HDMI 2 can not be received, meanwhile, the operation level related to HDMI 1 is maintained, with HDMI output ends
When the HDMI input ports of mouth connection switch back into HDMI 1, television screen can quickly show the content corresponding with HDMI 1
Data.
Thus, it is possible to ensure when switching back into the first HDMI input ports, can quickly it export from the first HDMI inputs
The content-data of port so that when switching back into the first HDMI input ports television screen will not blank screen without export,
Improve the experience of user.
Fig. 4 is a kind of flow of an example of HDMI input source switch methods according to an exemplary embodiment
Figure.As shown in figure 4, in a kind of possible implementation, HDMI input source switch methods can include step S410 and step
Rapid S430.
In step S410, cut by the HDMI input ports connected with HDMI output ports from the first HDMI input ports
When being changed to other HDMI input ports, DDC status indicators position corresponding with the first HDMI input ports is removed, wherein, DDC states
Flag represents that the DDC of the first HDMI input ports is in normal condition.
In step S430, cut by the HDMI input ports connected with HDMI output ports from other HDMI input ports
When gaining the first HDMI input ports, DDC status indicators position is set.
For example, it is assumed that the two HDMI input ports of HDMI 1 and HDMI 2 connect with set top box and TV box respectively
Connect, then when the HDMI input ports connected with HDMI output ports switch to HDMI 2 from HDMI 1, DDC can not be received and come from
The content-data of set top box.Meanwhile, the operation level related to HDMI 1 be maintained, i.e. set top box can export 5V and give split main frame
2 and split main frame 2 can return to 5V i.e. HPD signal to set top box, set top box will be considered that simply DDC does not receive TV main frame 2
Information, can not temporarily be communicated with TV main frame 2.Although DDC is physically switched to HDMI 2, set top box meeting one
The state of straight inquiry TV main frame 2.Until switching back into HDMI 1 from HDMI 2, the register of TV main frame 2 sets DDC state marks
Know position, represent that now DDC recovers normal.When set top box inquires the DDC status indicators position, hdcp interaction can be recovered, this
Sample can just work on.Data are sent out at once on HDMI1 simultaneously, it is possible thereby to realize a switching HDMI input ports just at once
Seeing output, hdcp also recovers normal simultaneously.
Judge the DDC of HDMI input ports whether in just thereby, it is possible to the presence or absence according to DDC status indicators position
Normal state.
Fig. 5 is a kind of block diagram of HDMI input sources switching device according to an exemplary embodiment.Reference picture 5, should
Device includes at least two HDMI input ports 510 such as HDMI input ports 510-1 to HDMI input ports 510-n, and (n is big
In or equal to 2 natural number), the control module 550 of HDMI output ports 530 and first.Wherein, the quilt of the first control module 550
Be configured to by with HDMI input ports that HDMI output ports are connected from the first HDMI at least two HDMI input ports
When input port such as HDMI input ports 510-1 switches to the 2nd HDMI input ports such as HDMI input ports 510-n, make
DDC can not receive the content-data from the first HDMI input ports, and maintain the work related to the 2nd HDMI input ports
Level.
In a kind of possible implementation, it is defeated that the operation level related to the 2nd HDMI input ports includes the 2nd HDMI
The hot plug of inbound port is the level of HPD signal and the minimum differential signal transmission i.e. TMDS channels of the 2nd HDMI input ports
Clock signal level at least one.
In a kind of possible implementation, the device can also include the 4th control module 570, the 4th control module
570 are used to, in the case where the quantity of at least two HDMI input ports is more than three, to connect with HDMI output ports
HDMI input ports from the first HDMI input ports switch to the 2nd HDMI input ports when, maintain with except the first HDMI input
The operation level of other HDMI input ports correlation beyond port, the 2nd HDMI input ports；Wherein, with except the first HDMI it is defeated
The operation level of other HDMI input ports correlation beyond inbound port, the 2nd HDMI input ports includes other HDMI inputs
Mouthful hot plug be HPD signal level and other HDMI input ports the i.e. TMDS channels of minimum differential signal transmission when
At least one in the level of clock signal.
Fig. 6 is a kind of block diagram of an example of HDMI input sources switching device according to an exemplary embodiment.
Reference picture 6, the device can also include the second control module 610 and the 3rd control module 630.Wherein, second control module
610 are used to switch to other HDMI defeated from the first HDMI input ports the HDMI input ports connected with HDMI output ports
During inbound port, the operation level related to the first HDMI input ports is maintained.3rd control module 630 is used for will be with HDMI
Output port connection HDMI input ports from other HDMI input ports switch back into the first HDMI input ports when, meet DDC
The content-data from the first HDMI input ports is received, wherein, the operation level related to the first HDMI input ports includes the
The hot plug of one HDMI input ports be HPD signal level and the first HDMI input ports minimum differential signal transmission i.e.
At least one in the level of the clock signal of TMDS channels.
Fig. 7 is a kind of block diagram of an example of HDMI input sources switching device according to an exemplary embodiment.
Reference picture 7, the device can also include removing module 710 and setup module 730.Wherein, the removing module 710 is used for will be with
HDMI output ports connection HDMI input ports from the first HDMI input ports switch to other HDMI input ports when, remove
DDC status indicators position corresponding with the first HDMI input ports, wherein, DDC status indicators position represents the first HDMI input ports
DDC be in normal condition.The setup module 730 be used for the HDMI input ports that will be connected with HDMI output ports from other
When HDMI input ports switch back into the first HDMI input ports, DDC status indicators position is set.
On the device in above-described embodiment, the concrete mode that wherein each operation is performed is in the reality about this method
Apply in example and be described in detail, explanation will be not set forth in detail herein.
Thus, it is possible to ensure when switching to the 2nd HDMI input ports, can quickly it export from the 2nd HDMI inputs
The content-data of port so that user by the HDMI input ports connected with HDMI output ports from the first HDMI inputs
When mouthful switching to the 2nd HDMI input ports television screen will not blank screen without exporting.Therefore, the disclosure can be in response to
HDMI input ports are switched fast to be switched fast the content-data shown by television screen, improve the experience of user.
It can ensure, when switching to other any HDMI input ports, can quickly export defeated from other any HDMI
The content-data of inbound port so that when switching to other any HDMI input ports television screen will not blank screen without
Output, improves the experience of user.
It can ensure when switching back into the first HDMI input ports, can quickly export from the first HDMI input ports
Content-data so that when switching back into the first HDMI input ports television screen will not blank screen without export, improve
The experience of user.
Further, it is possible to be judged the DDC of HDMI input ports whether in just according to the presence or absence of DDC status indicators position
Normal state.
Fig. 8 is a kind of block diagram of device 800 switched for HDMI input sources according to an exemplary embodiment.Example
Such as, device 800 can be mobile phone, and computer, digital broadcast terminal, messaging devices, game console, flat board is set
It is standby, Medical Devices, body-building equipment, personal digital assistant etc..
Reference picture 8, device 800 can include following one or more assemblies：Processing assembly 802, memory 804, power supply
Component 806, multimedia groupware 808, audio-frequency assembly 810, the interface 812 of input/output (I/O), sensor cluster 814, and
Communication component 816.
The integrated operation of the usual control device 800 of processing assembly 802, such as with display, call, data communication, phase
Machine operates the operation associated with record operation.Processing assembly 802 can refer to including one or more processors 820 to perform
Order, to complete all or part of step of above-mentioned method.In addition, processing assembly 802 can include one or more modules, just
Interaction between processing assembly 802 and other assemblies.For example, processing assembly 802 can include multi-media module, it is many to facilitate
Interaction between media component 808 and processing assembly 802.
Memory 804 is configured as storing various types of data supporting the operation in device 800.These data are shown
Example includes the instruction of any application program or method for being operated on device 800, and contact data, telephone book data disappears
Breath, picture, video etc..Memory 804 can be by any kind of volatibility or non-volatile memory device or their group
Close and realize, such as static RAM (SRAM), Electrically Erasable Read Only Memory (EEPROM) is erasable to compile
Journey read-only storage (EPROM), programmable read only memory (PROM), read-only storage (ROM), magnetic memory, flash
Device, disk or CD.
Power supply module 806 provides electric power for the various assemblies of device 800.Power supply module 806 can include power management system
System, one or more power supplys, and other components associated with generating, managing and distributing electric power for device 800.
Multimedia groupware 808 is included in the screen of one output interface of offer between described device 800 and user.One
In a little embodiments, screen can include liquid crystal display (LCD) and touch panel (TP).If screen includes touch panel, screen
Curtain may be implemented as touch-screen, to receive the input signal from user.Touch panel includes one or more touch sensings
Device is with the gesture on sensing touch, slip and touch panel.The touch sensor can not only sensing touch or sliding action
Border, but also detection touches or slide related duration and pressure with described.In certain embodiments, many matchmakers
Body component 808 includes a front camera and/or rear camera.When device 800 be in operator scheme, such as screening-mode or
During video mode, front camera and/or rear camera can receive the multi-medium data of outside.Each front camera and
Rear camera can be a fixed optical lens system or with focusing and optical zoom capabilities.
Audio-frequency assembly 810 is configured as output and/or input audio signal.For example, audio-frequency assembly 810 includes a Mike
Wind (MIC), when device 800 be in operator scheme, when such as call model, logging mode and speech recognition mode, microphone by with
It is set to reception external audio signal.The audio signal received can be further stored in memory 804 or via communication set
Part 816 is sent.In certain embodiments, audio-frequency assembly 810 also includes a loudspeaker, for exports audio signal.
I/O interfaces 812 is provide interface between processing assembly 802 and peripheral interface module, above-mentioned peripheral interface module can
To be keyboard, click wheel, button etc..These buttons may include but be not limited to：Home button, volume button, start button and lock
Determine button.
Sensor cluster 814 includes one or more sensors, and the state for providing various aspects for device 800 is commented
Estimate.For example, sensor cluster 814 can detect opening/closed mode of device 800, the relative positioning of component is for example described
Component is the display and keypad of device 800, and sensor cluster 814 can be with 800 1 components of detection means 800 or device
Position change, the existence or non-existence that user contacts with device 800, the orientation of device 800 or acceleration/deceleration and device 800
Temperature change.Sensor cluster 814 can include proximity transducer, be configured to detect in not any physical contact
The presence of neighbouring object.Sensor cluster 814 can also include optical sensor, such as CMOS or ccd image sensor, for into
As being used in application.In certain embodiments, the sensor cluster 814 can also include acceleration transducer, gyro sensors
Device, Magnetic Sensor, pressure sensor or temperature sensor.
Communication component 816 is configured to facilitate the communication of wired or wireless way between device 800 and other equipment.Device
800 can access the wireless network based on communication standard, such as WiFi, 2G or 3G, or combinations thereof.In an exemplary implementation
In example, communication component 816 receives broadcast singal or broadcast related information from external broadcasting management system via broadcast channel.
In one exemplary embodiment, the communication component 816 also includes near-field communication (NFC) module, to promote junction service.Example
Such as, NFC module can be based on radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra wide band (UWB) technology,
Bluetooth (BT) technology and other technologies are realized.
In the exemplary embodiment, device 800 can be believed by one or more application specific integrated circuits (ASIC), numeral
Number processor (DSP), digital signal processing appts (DSPD), PLD (PLD), field programmable gate array
(FPGA), controller, microcontroller, microprocessor or other electronic components are realized, for performing the above method.
In the exemplary embodiment, a kind of non-transitorycomputer readable storage medium including instructing, example are additionally provided
Such as include the memory 804 of instruction, above-mentioned instruction can be performed to complete the above method by the processor 820 of device 800.For example,
The non-transitorycomputer readable storage medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk
With optical data storage devices etc..
Those skilled in the art will readily occur to its of the disclosure after considering specification and putting into practice invention disclosed herein
Its embodiment.The application is intended to any modification, purposes or the adaptations of the disclosure, these modifications, purposes or
Person's adaptations follow the general principle of the disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.Description and embodiments are considered only as exemplary, and the true scope of the disclosure and spirit are by following
Claim is pointed out.
It should be appreciated that the precision architecture that the disclosure is not limited to be described above and is shown in the drawings, and
And various modifications and changes can be being carried out without departing from the scope.The scope of the present disclosure is only limited by appended claim.
Claims (14)
1. a kind of HDMI input sources switching device, it is characterised in that including：
At least two HDMIs are HDMI input ports；
A HDMI output port corresponding with least two HDMI input ports, at least two HDMI input ports
Can be that DDC is connected with the HDMI output ports by display data channel；And
First control module, in the HDMI input ports that will be connected with the HDMI output ports from described at least two
When the first HDMI input ports in HDMI input ports switch to the 2nd HDMI input ports, the DDC is not received and come
From the content-data of the first HDMI input ports, and maintain the operation level related to the 2nd HDMI input ports.
2. HDMI input sources switching device according to claim 1, it is characterised in that with the 2nd HDMI input ports
The hot plug that related operation level includes the 2nd HDMI input ports is that the level and the 2nd HDMI of HPD signal are defeated
The minimum differential signal transmission of inbound port is at least one in the level of the clock signal of TMDS channels.
3. HDMI input sources switching device according to claim 1 or 2, it is characterised in that also include：
Second control module, for defeated from the first HDMI in the HDMI input ports that will be connected with the HDMI output ports
When inbound port switches to other HDMI input ports, the operation level related to the first HDMI input ports is maintained；And
3rd control module, for defeated from other described HDMI in the HDMI input ports that will be connected with the HDMI output ports
When inbound port switches back into the first HDMI input ports, the DDC is set to receive in the first HDMI input ports
Hold data,
Wherein, the operation level related to the first HDMI input ports includes the hot plug of the first HDMI input ports
That is the minimum differential signal transmission of the level of HPD signal and the first HDMI input ports is the clock signal of TMDS channels
Level at least one.
4. HDMI input sources switching device according to claim 1 or 2, it is characterised in that also include：
Remove module, in the HDMI input ports that will be connected with the HDMI output ports from the first HDMI inputs
When mouth switches to other HDMI input ports, DDC status indicators position corresponding with the first HDMI input ports is removed, its
In, the DDC status indicators position represents that the DDC of the first HDMI input ports is in normal condition.
5. HDMI input sources switching device according to claim 4, it is characterised in that also include：
Setup module, in the HDMI input ports that will be connected with the HDMI output ports from other described HDMI inputs
When mouth switches back into the first HDMI input ports, the DDC status indicators position is set.
6. HDMI input sources switching device according to claim 1 or 2, it is characterised in that also include：
4th control module, in the case of being more than three in the quantity of at least two HDMI input ports, is being incited somebody to action
The HDMI input ports connected with the HDMI output ports switch to the 2nd HDMI from the first HDMI input ports
During input port, remain defeated with other HDMI in addition to the first HDMI input ports, the 2nd HDMI input ports
The related operation level of inbound port；And
Wherein, with other HDMI input ports in addition to the first HDMI input ports, the 2nd HDMI input ports
The hot plug that related operation level includes other HDMI input ports is that the level and other described HDMI of HPD signal are defeated
The minimum differential signal transmission of inbound port is at least one in the level of the clock signal of TMDS channels.
7. a kind of HDMI inputs source switch method, it is characterised in that including：
To be that the HDMI input ports that HDMI output ports are connected are defeated from least two HDMI with HDMI
When the first HDMI input ports in inbound port switch to the 2nd HDMI input ports, display data channel i.e. DDC is set not connect
The content-data from the first HDMI input ports is received, and maintains the work electricity related to the 2nd HDMI input ports
It is flat,
Wherein, at least two HDMI input ports can be connected by the DDC with the HDMI output ports.
8. method according to claim 7, it is characterised in that the operation level related to the 2nd HDMI input ports
Hot plug including the 2nd HDMI input ports is the level of HPD signal and the minimum of the 2nd HDMI input ports
Differential signal transmission is at least one in the level of the clock signal of TMDS channels.
9. the method according to claim 7 or 8, it is characterised in that also include：
The HDMI input ports connected with the HDMI output ports are being switched to other from the first HDMI input ports
During HDMI input ports, the operation level related to the first HDMI input ports is maintained；And
It is described the HDMI input ports connected with the HDMI output ports are switched back into from other described HDMI input ports
During the first HDMI input ports, the DDC is set to receive the content-data from the first HDMI input ports,
Wherein, the operation level related to the first HDMI input ports includes the hot plug of the first HDMI input ports
That is the minimum differential signal transmission of the level of HPD signal and the first HDMI input ports is the clock signal of TMDS channels
Level at least one.
10. the method according to claim 7 or 8, it is characterised in that also include：
The HDMI input ports connected with the HDMI output ports are being switched to other from the first HDMI input ports
During HDMI input ports, DDC status indicators position corresponding with the first HDMI input ports is removed, wherein, the DDC states
Flag represents that the DDC of the first HDMI input ports is in normal condition.
11. method according to claim 10, it is characterised in that also include：
It is described the HDMI input ports connected with the HDMI output ports are switched back into from other described HDMI input ports
During the first HDMI input ports, the DDC status indicators position is set.
12. the method according to claim 7 or 8, it is characterised in that also include：
In the case where the quantity of at least two HDMI input ports is more than three, will be with the HDMI output ports
The HDMI input ports of connection from the first HDMI input ports switch to the 2nd HDMI input ports when, maintain and remove
The work electricity of other HDMI input ports correlation beyond the first HDMI input ports, the 2nd HDMI input ports
It is flat；
Wherein, with other HDMI input ports in addition to the first HDMI input ports, the 2nd HDMI input ports
The hot plug that related operation level includes other HDMI input ports is that the level and other described HDMI of HPD signal are defeated
The minimum differential signal transmission of inbound port is at least one in the level of the clock signal of TMDS channels.
13. a kind of HDMI input sources switching device, it is characterised in that including：
Processor；
Memory for storing processor-executable instruction；
At least two HDMIs are HDMI input ports；And
A HDMI output port corresponding with least two HDMI input ports, at least two HDMI input ports
Can be that DDC is connected with the HDMI output ports by display data channel,
Wherein, the processor is configured as：
By with HDMI input ports that the HDMI output ports are connected from least two HDMI input ports
When one HDMI input ports switch to the 2nd HDMI input ports, the DDC can not be received from the first HDMI inputs
The content-data of port, and maintain the operation level related to the 2nd HDMI input ports.
14. a kind of computer-readable recording medium, is stored thereon with computer program, it is characterised in that the program is by processor
The step of method any one of claim 7 to 12 being realized during execution.
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| CN201710257365.6A CN107135355B (en) | 2017-04-19 | 2017-04-19 | HDMI input source switching method, device and computer readable storage medium |
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| CN201710257365.6A CN107135355B (en) | 2017-04-19 | 2017-04-19 | HDMI input source switching method, device and computer readable storage medium |
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