CN105446915B - Signal processing method and electronic equipment - Google Patents
Signal processing method and electronic equipment Download PDFInfo
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- CN105446915B CN105446915B CN201410265194.8A CN201410265194A CN105446915B CN 105446915 B CN105446915 B CN 105446915B CN 201410265194 A CN201410265194 A CN 201410265194A CN 105446915 B CN105446915 B CN 105446915B
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Abstract
The invention discloses a kind of signal processing method and electronic equipment, the method includes：It detects whether each interface unit in the first Display interface units, the first usb interface unit, secondary USB interface unit and the 2nd Display interface units is in connection status, obtains first state information；According to the first state information, the first source electronic equipment is determined；The connection status of information, detection the first Display interface units, the first usb interface unit based on first source electronic equipment, or the connection status based on the secondary USB interface unit detected, obtain the second status information；Based on second status information, the power supply state of above-mentioned interface unit is controlled.Technical solution through the invention can be such that the first electronic equipment intelligence switches between multiple patterns so that the signal of multiple electronic equipment outputs is presented, and user experience is high.
Description
Technical field
The present invention relates to the information processing technology more particularly to a kind of signal processing methods and electronic equipment.
Background technology
The integrated all-in-one machine (All In One) of host computer and display is used widely, user is using one
When machine, the display for often also wanting to all-in-one machine is made to support the output equipment as external equipment such as digital camera, computer, but phase
In the technology of pass, for how to make display intelligence judgement be set as the output of which electronic equipment in complicated usage scenario
It is standby, frequently the setting of display is operated to avoid user, promotes user experience, the relevant technologies there is no effective solution.
Invention content
A kind of signal processing method of offer of the embodiment of the present invention and electronic equipment, can be intelligent in multiple electronic equipments
It is determined as the output equipment of which electronic equipment, operation is frequently set to avoid user, promotes user experience.
What the technical solution of the embodiment of the present invention was realized in：
The embodiment of the present invention provides a kind of signal processing method, is applied in the first electronic equipment, first electronics is set
It is standby to support with the second electronic equipment integrated setting, first electronic equipment to support that the second electronic equipment output is presented
Signal, or the signal of third electronic equipment output is presented；Wherein, first electronic equipment uses the first Display of itself
Interface unit, the first usb interface unit receive the signal of the second electronic equipment output, and first electronic equipment is supported
The letter of the third electronic equipment output is received using the 2nd Display interface units and secondary USB interface unit of itself
Number；
The method includes：
Detect the first Display interface units, first usb interface unit, the 2nd USB interface units,
And whether each interface unit in the 2nd Display interface units is in connection status, obtains first state information；
According to the first state information, the first source electronic equipment is determined, first source electronic equipment is described
The source electronic equipment of the currently presented signal of first electronic equipment；
Information, detection the first Display interface units based on first source electronic equipment, the first USB connect
The connection status of mouth unit, or the connection status based on the secondary USB interface unit detected obtain the second state letter
Breath；
Based on second status information, the first Display interface units, the first USB interface lists are controlled
The power supply state of first, the described secondary USB interface unit and the 2nd Display interface units.
The embodiment of the present invention also provides a kind of first electronic equipment, and first electronic equipment is supported and the second electronic equipment
Integrated setting, first electronic equipment include display unit, the first display Display interface units, the first general serial
Bus usb interface unit, the 2nd Display interface units and the 2nd USB interface units；
The display unit shows Display interface units, the first universal serial bus by described first for rendering
The signal for second electronic equipment output that usb interface unit receives, or it is presented by the 2nd Display interface lists
The signal for the third electronic equipment output that member and secondary USB interface unit receive；
First electronic equipment further includes：
Detection unit, for detecting the first Display interface units, the first usb interface unit, secondary USB interface
Whether each interface unit in unit and the 2nd Display interface units is in connection status, obtains first state
Information；
Determination unit, for according to the first state information, determining the first source electronic equipment, the first source electricity
Sub- equipment is the source electronic equipment of the currently presented signal of the first electronic equipment；Based on first source electronic equipment
Information, the connection status of detection the first Display interface units, the first usb interface unit, or based on the institute detected
The connection status for stating secondary USB interface unit obtains the second status information；
Control unit is controlled for being based on second status information to first usb interface unit, described second
The state that usb interface unit is powered.
In the embodiment of the present invention, by the connection status of each interface unit detected, which is presented to the first electronic equipment
The signal of a electronic equipment (i.e. the second electronic equipment or third electronic equipment) output carries out intellectual determination, is carried out without user
Control；Meanwhile, it is capable to whether be in connection status, the power supply to each interface unit according to each interface unit of the first electronic equipment
Carry out intelligentized control method.
Description of the drawings
Fig. 1 is the implementation process schematic diagram one of signal processing method in the embodiment of the present invention；
Fig. 2 is the implementation process schematic diagram two of signal processing method in the embodiment of the present invention；
Fig. 3 is the implementation process schematic diagram three of signal processing method in the embodiment of the present invention；
Fig. 4 is the implementation process schematic diagram four of signal processing method in the embodiment of the present invention；
Fig. 5 is the implementation process schematic diagram five of signal processing method in the embodiment of the present invention；
Fig. 6 is the implementation process schematic diagram six of signal processing method in the embodiment of the present invention；
Fig. 7 is the implementation process schematic diagram seven of signal processing method in the embodiment of the present invention；
Fig. 8 is the structural schematic diagram of the first electronic equipment in the embodiment of the present invention；
Fig. 9 is the schematic diagram of a scenario of signal processing in the embodiment of the present invention；
Figure 10 is the implementation process schematic diagram that display carries out signal processing in the embodiment of the present invention.
Specific implementation mode
Invention is further described in detail in the following with reference to the drawings and specific embodiments.
The embodiment of the present invention records a kind of signal processing method, is applied in the first electronic equipment, first electronics is set
Standby support and the second electronic equipment integrated setting, integrated setting here refers to that the first electronic equipment and the second electronics are set
It is standby can be to merge into an electronic equipment in physical aspect；First electronic equipment can realize the display function of display,
To support that the signal of the second electronic equipment output is presented, or the signal of third electronic equipment output is presented；Described first
The volume of electronic equipment usually can be set according to actual needs, when first electronic equipment can be with the second electronic equipment one
When changing setting, all-in-one machine can be considered as from form；The third electronic equipment can be arbitrary support in the related technology
Display interfaces export and the electronic equipment such as desk computer, laptop etc. of USB outputs；
Wherein, first electronic equipment includes the first Display interface units, the first usb interface unit, second
Display interface units, secondary USB interface unit；First electronic equipment is supported to use the first Display interface lists
Member receives video (correspondence image) signal of the first electronic equipment output, supports to receive institute by the first usb interface unit
State the audio signal of the second electronic equipment output；Accordingly, first electronic equipment is connect using the 2nd Display interface units
Video (correspondence image) signal of third electronic equipment output is received, and supports to receive the third using secondary USB interface unit
The audio signal of electronic equipment output；
As shown in Figure 1, the signal processing method that the embodiment of the present invention is recorded includes：
Step 101, detect the first Display interface units, the first usb interface unit, the 2nd USB interface units,
And whether each interface unit in the 2nd Display interface units is in connection status, obtains first state information.
In the present embodiment, when the power pins (PD PWR) in the first Display interface units detect high voltage, indicate
Current first electronic equipment is connect with the Display that the second electronic equipment exists physically, and the second electronic equipment is utilizing
Display exports vision signal, it is determined that the first Display interface units and the second electronic equipment are in connection status；Work as inspection
The voltage for measuring the power pins (VBUS) of the first usb interface unit is pulled low, and indicates current first usb interface unit and the
There is USB connections physically in two electronic equipments, it is determined that the first usb interface unit and the second electronic equipment are in connection shape
State；When the power pins (PD PWR) in the 2nd Display interface units detect that high voltage, current first electronics of expression are set
The standby Display existed physically with third electronic equipment is connect, and third electronic equipment is in output vision signal, it is determined that the
Two Display interface units are in connection status with third electronic equipment.
Step 102, according to the first state information, the first source electronic equipment is determined.
First source electronic equipment is the source electronic equipment of the currently presented signal of the first electronic equipment.
It, can be with for example, when the first Display interface units, the first usb interface unit are not in connection status
Judge that first source electronic equipment is the third electronic equipment, that is to say, that when the first electricity for realizing display function
The vision signal from the first electronic equipment is not detected in sub- equipment, and in the absence of being connect with the USB of the second electronic equipment, examines
User's use habit in actual use scene is considered, when the first electronic equipment and the second electronic equipment are not in integrated setting
State (being equal to the first Display interface units, the first usb interface unit is not in connection status) when, show at this time
User does not need the signal (including vision signal and audio signal) that the output of the second electronic equipment is presented in the first electronic equipment, this
Sample, the first electronic equipment can default setting for rendering third electronic equipment output signal, i.e., by third electronic equipment
Source electronic equipment i.e. the first source electronic equipment as signal；Meet the use habit of user, user experience is high.
Step 103, information based on first source electronic equipment, detection the first Display interface units, the
The connection status of one usb interface unit, or the connection status of secondary USB interface unit is detected, to obtain the second status information.
In practical application, due to the first electronic equipment, the second electronic equipment, with the connection of third electronic equipment (including
Display connections are connected with USB) not expected variation can occur, in order to be timely responded to the variation, to ensure the first electronics
Equipment controls the power supply state of itself each interface unit, and step 103 can be executed periodically, respectively be connect with obtaining in time
The status information of mouth unit.
Step 104, it is based on second status information, control meets the first Display interface units, the first USB
The state that mouth unit, secondary USB interface unit and the 2nd Display interface units are powered.
For example, when equipment i.e. the first source electronic equipment of the presented signal of determining first electronic equipment in step 102 is
When the second electronic equipment, if having got the first Display interface units in step 103, the first usb interface unit is not located
In connection status, that is to say, that the second electronic equipment is no longer to the first electronic equipment output signal (including vision signal and audio
Signal), since the first electronic equipment is currently no longer presented the signal of any appliance output, so that it may to close to the first Display
The power supply of interface unit, the 2nd Display interface units, the first usb interface unit, secondary USB interface unit.
In the present embodiment, by the connection status of each interface unit detected, which electricity is presented to the first electronic equipment
The signal of sub- equipment (i.e. the second electronic equipment or third electronic equipment) output carries out intellectual determination, is controlled without user
System；Meanwhile, it is capable to whether be in connection status according to each interface unit of the first electronic equipment, to the power supply of each interface unit into
Row intelligentized control method.
The embodiment of the present invention also records a kind of signal processing method, is applied in the first electronic equipment, first electronics
Equipment is supported and the second electronic equipment integrated setting, and first electronic equipment can realize the function of display, to prop up
The signal that the second electronic equipment output is presented is held, or the signal of third electronic equipment output is presented；First electronics is set
Standby volume usually can be set according to actual needs, when first electronic equipment can be with the second electronic equipment integrated setting
When, all-in-one machine can be considered as from form；The third electronic equipment can connect for arbitrary support Display in the related technology
The electronic equipment such as desk computer, laptop etc. of mouth output and USB outputs；
Wherein, first electronic equipment includes the first Display interface units, the first usb interface unit, second
Display interface units, secondary USB interface unit；First electronic equipment is supported to use the first Display interface lists
First video (i.e. image) signal for receiving the first electronic equipment output, is supported by described in the reception of the first usb interface unit
The audio signal of second electronic equipment output；Accordingly, first electronic equipment is received using the 2nd Display interface units
Video (i.e. image) signal of third electronic equipment output, and support to receive the third electronics using secondary USB interface unit
The audio signal of equipment output；
As shown in Fig. 2, the signal processing method that the embodiment of the present invention is recorded includes the following steps：
Step 201, detect the first Display interface units, the first usb interface unit, the 2nd USB interface units,
And whether each interface unit in the 2nd Display interface units is in connection status, obtains first state information.
In the present embodiment, when the power pins (PD PWR) in the first Display interface units detect high voltage, indicate
Current first electronic equipment is connect with the Display that the second electronic equipment exists physically, and the second electronic equipment is utilizing
Display exports vision signal, it is determined that the first Display interface units and the second electronic equipment are in connection status；Work as inspection
The voltage for measuring the power pins (VBUS) of the first usb interface unit is pulled low, and indicates current first usb interface unit and the
There is USB connections physically in two electronic equipments, it is determined that the first usb interface unit and the second electronic equipment are in connection shape
State；When the power pins (PD PWR) in the 2nd Display interface units detect that high voltage, current first electronics of expression are set
It is standby to connect third electronic equipment in output vision signal in the presence of Display physically with third electronic equipment, it is determined that second
Display interface units are in connection status with third electronic equipment.
Step 202a, when the first Display interface units, the first usb interface unit are not in connection status,
Judge that the first source electronic equipment is the third electronic equipment.
Step 202b, when the first Display interface units, the first usb interface unit are in connection status, knot
The information whether the 2nd Display interface units, secondary USB interface unit are in connection status is closed, determines described first
Source electronic equipment.
First source electronic equipment is the source electronic equipment of the currently presented signal of the first electronic equipment.
Step 202a corresponds to following scene, when the signal from the second electronic equipment is not detected in the first electronic equipment,
Give tacit consent to the output as third electronic equipment, that is, the information that third electronic equipment is exported is presented；Due to the first electronic equipment with
Second electronic equipment supports integrated setting, the second electronic equipment usually can only utilize the first electronic equipment output signal, therefore
When the signal from the second electronic equipment is not detected in the first electronic equipment, illustrate that user needs the first electronic equipment to be presented the
The signal of three electronic equipments uses at this point, the signal that the output of third electronic equipment is presented using the first electronic equipment meets user
Custom, saves the operation being configured by hand to the first electronic equipment, and the intelligence degree of human-computer interaction is high.
Step 202b corresponds to following scene, when the signal from the second electronic equipment is not detected in the first electronic equipment,
In conjunction with the signal from third electronic equipment, judge that the signal of which electronic equipment output is presented in the first electronic equipment；As one
A example, as shown in figure 3, step 202b can be realized by following steps：
Step 2021, when the 2nd Display interface units, secondary USB interface unit are in connection status, sentence
Fixed first source electronic equipment is the third electronic equipment.
That is, when the first electronic equipment is not detected from the second electronic equipment signal, and detect from third
When the signal of electronic equipment, then signal is presented for third electronic equipment.
Step 2022, when the 2nd Display interface units, secondary USB interface unit are not in connection status,
Judge that first source electronic equipment is second electronic equipment.
Step 202c, when the 2nd Display interface units, secondary USB interface unit are not in connection status,
Judge that first source electronic equipment is second electronic equipment.
Step 202c corresponds to following scene, when the signal from the second electronic equipment is not detected in the first electronic equipment, and
When the signal from third electronic equipment is not detected, then it is defaulted as the second electronic equipment and signal is presented；In practical application, first
Electronic equipment and the scene that the second electronic equipment integrated setting is used are most, therefore under this scene, are set in the first electronics
Output equipment for first choice when not receiving any signal as the second electronic equipment, meets user's use habit, such user
When using the second equipment, without being configured to the first electronic equipment, so that it may so that the first electronic equipment is presented from the second electricity
The intelligence degree of the signal of sub- equipment, human-computer interaction is high, and the user experience is improved.
Following steps can also be performed as shown in figure 4, before executing step 2021 as an embodiment:
Step 2023, third state information is obtained.
The information of the third state information representation second source electronic equipment, the second source electronic equipment is described
When first electronic equipment last time enters sleep state, the source electronics for the signal that first electronic equipment is presented is set
It is standby.
Step 2024, judge whether the second source electronic equipment is second electronic equipment, if it is, executing
Step 2025；Otherwise, step 2026 is executed.
Step 2025, judgement first source electronic equipment is second electronic equipment.
Step 2026, judgement first source electronic equipment is the third electronic equipment.
Step 2023 to step 2026 corresponds to following scene, when the first electronic equipment is not detected from the second electronic equipment
Signal, and when the signal from third electronic equipment is not detected, then the first electronic equipment is determined according to third state information
The last time enters before sleep state, is which electronic equipment is presented signal, for example, when first electronic equipment the last time into
When signal is presented for the second electronic equipment before entering sleep state, then the first electronic equipment acquiescence is presented the second electronic equipment and presents
Signal, meet the history use habit of user, when user use the second electronic equipment when, without to the first electronic equipment carry out
Manual setting, you can make the first electronic equipment that the signal from the second electronic equipment be presented, human-computer interaction intelligent degree is high.
It is defaulted as the second electronic equipment and signal is presented；In practical application, the first electronic equipment and the second electronic equipment one
It is most to change the scene that setting is used, therefore under this scene, first choice is when the first electronic equipment does not receive any signal
As the output equipment of the second electronic equipment, meet user's use habit, when such user uses the second equipment, without to first
Electronic equipment is configured, so that it may so that the signal from the second electronic equipment, the intelligence of human-computer interaction is presented in the first electronic equipment
Degree height can be changed, the user experience is improved.
Step 203, information based on first source electronic equipment, detection the first Display interface units, the
The connection status of one usb interface unit, or the connection status of secondary USB interface unit is detected, to obtain the second status information.
As an example, as shown in figure 5, step 203 can be accomplished by the following way：
Step 2031, when first source electronic equipment is second electronic equipment, detection described first
The connection status of Display interface units, the first usb interface unit obtains second status information.
Step 2032, it when first source electronic equipment is the third electronic equipment, detects the 2nd USB and connects
The connection status of mouth unit, obtains second status information.
In practical application, due to the first electronic equipment, the second electronic equipment, with the connection of third electronic equipment (including
Display connections are connected with USB) not expected variation can occur, in order to be timely responded to the variation, to ensure the first electronics
Equipment controls the power supply state of itself each interface unit, and step 203 can be executed periodically, respectively be connect with obtaining in time
The status information of mouth unit.
Step 204, it is based on second status information, control meets the first Display interface units, the first USB
The state that mouth unit, secondary USB interface unit and the 2nd Display interface units are powered.
As an example, as shown in fig. 6, step 204 can be accomplished by the following way：
Step 2041, when first source electronic equipment is second electronic equipment, and first USB interface
When unit is in connection status, the shape being powered to the first Display interface units, the first USB interface units is kept
State.
Step 2042, when first source electronic equipment is second electronic equipment, and first USB interface
When unit, the first Display interface units are not in connection status, stop to the first Display interface units,
First usb interface unit is powered.
Step 2043, when first source electronic equipment is the third electronic equipment, and the secondary USB interface
When unit is not in connection status, stopping is powered secondary USB interface unit, and according to the 2nd Display interfaces
The connection status of unit controls the power supply state of the 2nd Display interface units.
Step 2044, when first source electronic equipment is the third electronic equipment, and the secondary USB interface list
When member is in connection status, the shape being powered to the 2nd Display interface units, the 2nd USB interface units is kept
State.
As an embodiment, as shown in fig. 7, after executing step 204 and finishing, following steps can also be performed：
Step 205, when getting power supply trigger event, and first source electronic equipment is second electronic equipment
When, send power control signal corresponding with the power supply trigger event to second electronic equipment.
Step 204 and step 205 are illustrated with reference to different scenes.
Scene 1)
When the first source electronic equipment is the second electronic equipment, i.e. the first electronic equipment is that signal is presented in the second electronic equipment
When, if detecting the first Display interface units and the variation of the first USB interface units for not subsequently through step 2031
Connection status, then it represents that the second electronic equipment may have been switched off at this time, it is no longer necessary to which signal is presented in the first electronic equipment, accordingly
Ground can be powered the control of state in the following manner：First electronic equipment enters sleep state, in practical application,
One usb interface unit and secondary USB interface unit are to be connected by USB splitters (HUB), therefore can stop to USB
HUB powers, namely stops powering to the first usb interface unit and secondary USB interface unit；Stopping shows the first electronic equipment
The power supply of unit；Simultaneously because the first electronic equipment no longer carries out the presentation of audio signal, therefore the first electronics can also be closed
Audio decoding unit in equipment；
When getting power supply trigger event, and when first source electronic equipment is second electronic equipment, to institute
It states the second electronic equipment and sends power control signal corresponding with the power supply trigger event；That is, when the first electronics is set
When the standby presentation signal for the second electronic equipment, if receiving power supply trigger event, which can be by the first electricity of user's operation
The power switch of sub- equipment triggers, then the corresponding power control signal of the trigger event is sent to the second electronic equipment, to
The operation of the opening and closing to the second electronic equipment may be implemented.
Scene 2)
When the first source electronic equipment is the second electronic equipment, i.e. the first electronic equipment is that signal is presented in the second electronic equipment
When, if only detecting that the first usb interface unit is in connection status subsequently through step 2031, then it represents that the second electronics at this time
Equipment does not export vision signal currently, since the USB connections between the first electronic equipment and the second electronic equipment still have, because
This, the first electronic equipment still may receive the audio signal from the second electronic equipment by the first USB interface units,
Correspondingly, it can be powered the control of state in the following manner：First electronic equipment enters sleep state, keeps to USB
HUB power supplies keep the audio decoding unit in the first electronic equipment to be in receive the audio signal from the second electronic equipment
Open state；
When getting power supply trigger event, and when first source electronic equipment is second electronic equipment, to institute
It states the second electronic equipment and sends power control signal corresponding with the power supply trigger event；That is, when the first electronics is set
When the standby presentation signal for the second electronic equipment, if receiving power supply trigger event, which can be by the first electricity of user's operation
The power switch of sub- equipment triggers, then the corresponding power control signal of the trigger event is sent to the second electronic equipment, to
The operation of the opening and closing to the second electronic equipment may be implemented.
Scene 3)
When the first source electronic equipment is the second electronic equipment, i.e. the first electronic equipment is that signal is presented in the second electronic equipment
When, if detecting that the first Display interface units and the first USB interface units are in connection subsequently through step 2031
State, then it represents that the second electronic equipment is currently in output signal (including vision signal audio signal), correspondingly, Ke Yitong at this time
Cross the control that following manner is powered state：It keeps believing USB HUB power supplies to receive the audio from the second electronic equipment
Number, keep the audio decoding unit in the first electronic equipment to be in open state；According to whether being received by the first Display
The power supply of control pair the first electronic equipment display unit of vision signal is kept when receiving vision signal to display unit
Power supply stops powering to display unit when not receiving vision signal；
When getting power supply trigger event, and when first source electronic equipment is second electronic equipment, to institute
It states the second electronic equipment and sends power control signal corresponding with the power supply trigger event；That is, when the first electronics is set
When the standby presentation signal for the second electronic equipment, if receiving power supply trigger event, which can be by the first electricity of user's operation
The power switch of sub- equipment triggers, then the corresponding power control signal of the trigger event is sent to the second electronic equipment, to
The operation of the opening and closing to the second electronic equipment may be implemented.
Scene 4)
When the first source electronic equipment is third electronic equipment, i.e. the first electronic equipment is that signal is presented in third electronic equipment
When, if detecting that secondary USB interface unit is not in connection status subsequently through step 2031, then it represents that third electronics at this time
Currently non-exports audio signal correspondingly can be powered the control of state to equipment in the following manner：Close USB HUB
The audio decoding unit in the first electronic equipment is closed in power supply；According to whether receiving vision signal by the 2nd Display
The power supply to the first electronic equipment display unit is controlled, that is, keeps the power supply to display unit when receiving vision signal, does not connect
Stop powering to display unit when receiving vision signal.
When getting power supply trigger event, since current first electronic equipment is third year electronic equipment presentation signal, because
This determines that the control targe of the power supply trigger event is not the second electronic equipment, then does not send to the second equipment and touched with the power supply
The corresponding power control signal of hair event.
Scene 5)
When the first source electronic equipment is third electronic equipment, i.e. the first electronic equipment is that signal is presented in third electronic equipment
When, if detecting that secondary USB interface unit is in connection status subsequently through step 2031, then it represents that third electronics is set at this time
For currently in exports audio signal, correspondingly, it can be powered the control of state in the following manner：USB HUB are kept to supply
Electricity keeps the audio decoding unit in the first electronic equipment to open；According to whether receiving vision signal by the 2nd Display
Control pair the first electronic equipment display unit power supply, that is, the power supply to display unit is kept when receiving vision signal, not
Stop powering to display unit when receiving vision signal.
When getting power supply trigger event, since current first electronic equipment is third year electronic equipment presentation signal, because
This determines that the control targe of the power supply trigger event is not the second electronic equipment, then does not send to the second equipment and touched with the power supply
The corresponding power control signal of hair event.
The embodiment of the present invention also records a kind of computer storage media, is stored in the computer storage media executable
Instruction, the executable instruction is for executing signal processing method shown in Fig. 1 to Fig. 7 either figures.
The embodiment of the present invention also records a kind of first electronic equipment, as shown in figure 8, including：
Display unit 10, the first Display interface units 20, the first usb interface unit 30, the 2nd Display interface lists
Member 50 and secondary USB interface unit 40；
The display unit 10 shows that Display interface units, the first general serial are total by described first for rendering
The signal for second electronic equipment output that line usb interface unit receives, or it is presented by the 2nd Display interface lists
The signal for the third electronic equipment output that member 50 and secondary USB interface unit 40 receive；
First electronic equipment further includes：
Detection unit 60, for detecting the first Display interface units 20, the first usb interface unit 30, second
Whether each interface unit in usb interface unit 40 and the 2nd Display interface units 50 is in connection status,
Obtain first state information；
Determination unit 70, for according to the first state information, determining the first source electronic equipment, first source
Electronic equipment is the source electronic equipment of the currently presented signal of the first electronic equipment；It is set based on first source electronics
The connection status of standby information, detection the first Display interface units 20, the first USB interface units 30, or based on inspection
The connection status of the secondary USB interface unit 40 measured, obtains the second status information；
Control unit 80, for being based on second status information, control is to first usb interface unit 30, described
The state that secondary USB interface unit 40 is powered.
As an embodiment, the determination unit 70 is additionally operable to when the first Display interface units 20, the
When one usb interface unit 30 is not in connection status, judgement first source electronic equipment is the third electronic equipment；
When the first Display interface units 20, the first usb interface unit 30 are in connection status, in conjunction with described second
Whether Display interface units 50, secondary USB interface unit 40 are in the information of connection status, determine the first source electricity
Sub- equipment.
As an embodiment, the determination unit 70 is additionally operable to when the 2nd Display interface units 50, the
When two usb interface units 40 are in connection status, judgement first source electronic equipment is the third electronic equipment；When
When the 2nd Display interface units 50, secondary USB interface unit 40 are not in connection status, judgement described first
Source electronic equipment is second electronic equipment.
As an embodiment, first electronic equipment further includes：
Acquiring unit 90, for obtaining third state information, the third state information representation second source electronic equipment
Information, the second source electronic equipment be first electronic equipment last time enter sleep state when, described first
The source electronic equipment for the signal that electronic equipment is presented；
The determination unit 70 is additionally operable to judge whether the second source electronic equipment is second electronic equipment,
If it is, judgement first source electronic equipment is second electronic equipment；Otherwise, it is determined that first source electronics
Equipment is the third electronic equipment.
As an embodiment, the determination unit 70 is additionally operable to when first source electronic equipment be described the
When two electronic equipments, the connection status of the first Display interface units 20, the first usb interface unit 30 is detected, is obtained
Second status information；When first source electronic equipment is the third electronic equipment, detects the 2nd USB and connect
The connection status of mouth unit 40, obtains second status information.
As an embodiment, described control unit 80 includes (not shown)：
First control module, for working as first source electronic equipment for second electronic equipment, and described first
When usb interface unit 30 is in connection status, keep to the first Display interface units 20, the first usb interface unit
30 states being powered；
Second control module, for working as first source electronic equipment for second electronic equipment, and described first
When usb interface unit 30, the first Display interface units 20 are not in connection status, stop to described first
Display interface units 20, the first usb interface unit 30 are powered；
Third control module, for working as first source electronic equipment for the third electronic equipment, and described second
When usb interface unit 40 is not in connection status, stopping is powered secondary USB interface unit 40, and according to described second
The connection status of Display interface units 50 controls the power supply state of the 2nd Display interface units 50；
4th control module, for working as first source electronic equipment for the third electronic equipment, and described second
When usb interface unit 40 is in connection status, keep to the 2nd Display interface units 50, secondary USB interface unit
40 states being powered.
As an embodiment, described control unit 80 is additionally operable to that power supply trigger event, and described first ought be got
When source electronic equipment is second electronic equipment, sent to second electronic equipment corresponding with the power supply trigger event
Power control signal.
In practical application, the display unit 10 can be with corresponding video driver circuit and audio in the first electronic equipment
Driving circuit is realized；The first Display interface units 20, the 2nd Display interface units 50 can be by the first electronic equipments
In Display interfaces and corresponding driving circuit realize；The first USB interface units 30, secondary USB interface unit 40
It can be realized by the USB module circuit in the first electronic equipment；The detection unit 60, control unit 80, obtains determination unit 70
Unit 90 can by the first electronic equipment CPU, digital signal processor (DSP, Digital Signal Processor) or
Field programmable gate array (FPGA, Field Programmable Gate Array) is realized.
The signal processing method and the first electronic equipment recorded to the embodiment of the present invention with reference to specific example are said
It is bright.
For one example as shown in figure 9, display is as the first electronic equipment, display can be with mini host (corresponding
Two electronic equipments) integrated setting, can morphologically be considered as all-in-one machine can when display is with mini host integrated setting
To receive the audio signal of mini host by USB1 (corresponding first usb interface unit) and be decoded using the decoding unit of itself
Output, display can also receive vision signal and the progress of mini host by DP1 (corresponding first Display interface units)
Display；Similarly, display can also receive the audio signal of external host simultaneously by USB2 (corresponding secondary USB interface unit)
Output is decoded using the decoding unit of itself, display can also receive outer by DP2 (corresponding 2nd Display interface units)
The vision signal of portion's host is simultaneously shown；It is shown in synchronization and only supports to be a host output signal；
The flow that display carries out signal processing is as shown in Figure 10, includes the following steps：
Step 301, display detects power on signal.
I.e. display is powered, and completes to start.
Step 302, detection with mini host with the presence or absence of connection, if there is thening follow the steps 303；Otherwise, step is executed
Rapid 311.
When detecting that DP1 and USB1 is in connection status, it is determined that exist with mini host and connect；Wherein, when in DP1
Power pins (PD PWR) when detecting high voltage, judgement DP1 is in connection status, when the power pins for detecting USB1
(VBUS) when voltage is pulled low, judgement USB1 is in connection status.
Step 303, display judgement is in pattern 0.
Pattern 0 is that the pattern of vision signal and audio signal is exported for external host.
Step 304, detection whether there is connection with external host, if it is present executing step 305；Otherwise, step is executed
Rapid 312.
Step 305, display judgement is in pattern 0.
When display and mini host and external host, which exist, to be connected, it is defaulted as external host output signal.
Step 306, display detection is the last enters before sleep state, if pattern 1 is in, if it is, holding
Row step 307；Otherwise, step 313 is executed.
Step 307, display judgement is in pattern 1.
Pattern 1 is that the pattern of vision signal and audio signal is exported for mini host, enters cone when display the last time
When being in pattern 1 before surface state, then still maintains in pattern 1, meet user's use habit.
Step 308, the connection status of USB1, DP1 and USB2 are periodically detected.
Detection mode is identical as step 302, and which is not described herein again.
Step 309, judge the connection status of USB1, DP1 and USB2 whether update or display residing for pattern whether change
Become, if so, thening follow the steps 310；Otherwise, return to step 308.
Step 310, when the pattern when the update of the connection status of USB1, DP1 and USB2 or residing for display changes, root
According to the corresponding operation that need to be executed of truth table lookup, and operation is executed, return to step 308.
Step 311, judgement first source electronic equipment is the third electronic equipment, and executes step 308.
Step 312, judgement first source electronic equipment is second electronic equipment, and executes step 308.
Step 313, judgement first source electronic equipment is the third electronic equipment, and executes step 308.
One example of truth table is as shown in table 1：
Table 1
Wherein, operating 1 is：Into sleep, USB HUB and audio decoding unit are closed；
Operating 2 is：USB HUB and audio decoding unit is kept to open；
Operating 3 is：USB HUB and audio decoding unit is kept to open；
Operating 4 is：USB HUB are closed, are controlled whether to close audio decoding unit according to DP2；
Operating 5 is：USB HUB, audio decoding unit is kept to open；
Step 309 is illustrated with reference to truth table：
Scene 1)
When display is in pattern 1, i.e., display is mini host output signal, if detected in step 308
DP1 and USB1 is in connection status (corresponding in truth table to be identified as 1), then needs to be grasped according to the third line of truth table
Make：Enabled USB power source and DP power supplys, that is, keep the power supply to DP1 and USB1；Due to Bypass-PBTN be 1, when
Universal input input/output interface (GPIO) 1 shown in Fig. 9 receives power supply trigger event, the event by user to display into
Capable power management operations triggering then touches the power supply since the target device of the power management operations of user is mini host
The corresponding control signal of hair event is transmitted to mini host by GPIO2；Execute operation 3：Keep USB HUB and audio decoder
Unit is opened.
Scene 2)
When display is in pattern 0, i.e., display is external host output signal, if detected in step 308
DP2 is not in connection status (corresponding in truth table to be identified as 0), then needs to be operated according to the fourth line of truth table：
USB power source is closed, DP power supplys are controlled according to DP1, i.e., when not receiving the vision signal of mini host by DP1 with stopping
It powers to DP1 and DP2, keeps powering to DP1 and DP2 if when receiving the vision signal of mini host by DP1；Due to
Bypass-PBTN is 0, therefore, thing is triggered when universal input input/output interface (GPIO) 1 shown in Fig. 9 receives power supply
Part, which triggers the power management operations that display carries out by user, since the target of the power management operations of user is set
Standby is not host, then the corresponding control signal of the power supply trigger event is not transmitted to mini host by GPIO2；Execute operation
4：USB HUB are closed, are controlled whether to close audio decoding unit according to DP2, i.e., if received from external host by DP2
Vision signal, then keep audio decoding unit to open；Otherwise, audio decoding unit is closed.
It is after signal is presented in which electronic equipment, to lead to by determining the first electronic equipment currently in the embodiment of the present invention
Which electronic equipment (i.e. is subsequently presented to the first electronic equipment in the connection status for crossing each interface unit being periodically detected
Two electronic equipments or third electronic equipment) output signal carry out intellectual determination, controlled without user；Meanwhile, it is capable to
Whether it is in connection status according to each interface unit of the first electronic equipment, intelligent control is carried out to the power supply of each interface unit
System.
In several embodiments provided by the present invention, it should be understood that disclosed device and method can pass through it
Its mode is realized.Apparatus embodiments described above are merely indicative, for example, the division of the unit, only
A kind of division of logic function, formula that in actual implementation, there may be another division manner, such as：Multiple units or component can combine, or
It is desirably integrated into another system, or some features can be ignored or not executed.In addition, shown or discussed each composition portion
Point mutual coupling or direct-coupling or communication connection can be by some interface units, equipment or unit it is indirect
Coupling or communication connection, can be electrical, mechanical or other forms.
The above-mentioned unit illustrated as separating component can be or may not be and be physically separated, aobvious as unit
The component shown can be or may not be physical unit, you can be located at a place, may be distributed over multiple network lists
In member；Some or all of wherein unit can be selected according to the actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in various embodiments of the present invention can be fully integrated into a processing unit, also may be used
It, can also be during two or more units be integrated in one unit to be each unit individually as a unit；It is above-mentioned
The form that hardware had both may be used in integrated unit is realized, can also be realized in the form of hardware adds SFU software functional unit.
One of ordinary skill in the art will appreciate that：Realize that all or part of step of above method embodiment can pass through
The relevant hardware of program instruction is completed, and program above-mentioned can be stored in a computer read/write memory medium, the program
When being executed, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned includes：It is movable storage device, read-only
Memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or
The various media that can store program code such as person's CD.
If alternatively, the above-mentioned integrated unit of the present invention is realized in the form of software function module and as independent product
Sale in use, can also be stored in a computer read/write memory medium.Based on this understanding, the present invention is implemented
Substantially the part that contributes to existing technology can be expressed in the form of software products the technical solution of example in other words,
The computer software product is stored in a storage medium, including some instructions are used so that computer equipment (can be with
It is personal computer, server or network equipment etc.) execute all or part of each embodiment the method for the present invention.
And storage medium above-mentioned includes：Movable storage device, ROM, RAM, magnetic disc or CD etc. are various can to store program code
Medium.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (14)
1. a kind of signal processing method, be applied in the first electronic equipment, which is characterized in that first electronic equipment support with
Second electronic equipment integrated setting, first electronic equipment support the signal of presentation the second electronic equipment output, or
The signal of third electronic equipment output is presented；Wherein, first electronic equipment uses the first display Display interfaces of itself
Unit, the first general-purpose serial bus USB interface unit receive the signal of the second electronic equipment output, and first electronics
Equipment is supported to receive the third electronic equipment using the 2nd Display interface units and secondary USB interface unit of itself
The signal of output；
The method includes：
Detect the first Display interface units, first usb interface unit, the secondary USB interface unit and
Whether each interface unit in the 2nd Display interface units is in connection status, obtains first state information；
According to the first state information, determine that the first source electronic equipment, first source electronic equipment are described first
The source electronic equipment of the currently presented signal of electronic equipment；
Based on the information of first source electronic equipment, the first Display interface units, the first USB interface list are detected
The connection status of member, or the connection status based on the secondary USB interface unit detected, obtain the second status information；
Based on second status information, the first Display interface units, first usb interface unit, described are controlled
The power supply state of secondary USB interface unit and the 2nd Display interface units.
2. according to the method described in claim 1, it is characterized in that, described according to the first state information, first is determined
Source electronic equipment, including：
When the first Display interface units, first usb interface unit are not in connection status, described in judgement
First source electronic equipment is the third electronic equipment；
When the first Display interface units, first usb interface unit are in connection status, in conjunction with described
Whether two Display interface units, the secondary USB interface unit are in the information of connection status, determine first source
Electronic equipment.
3. according to the method described in claim 2, it is characterized in that, the 2nd Display interface units described in the combination, described
Whether secondary USB interface unit is in the information of connection status, determines first source electronic equipment, including：
When the 2nd Display interface units, the secondary USB interface unit are in connection status, judgement described the
One source electronic equipment is the third electronic equipment；
When the 2nd Display interface units, the secondary USB interface unit are not in connection status, described in judgement
First source electronic equipment is second electronic equipment.
4. according to the method described in claim 3, it is characterized in that, when the first Display interface units, described first
It is described when usb interface unit, the 2nd Display interface units, the secondary USB interface unit are in connection status
Before judging that first source electronic equipment is the third electronic equipment, the method further includes：
Obtain third state information, the information of the third state information representation second source electronic equipment, the second source
When electronic equipment is that first electronic equipment last time enters sleep state, signal that first electronic equipment is presented
Source electronic equipment；
Judge whether the second source electronic equipment is second electronic equipment, if it is, judgement first source
Electronic equipment is second electronic equipment；Otherwise, it is determined that first source electronic equipment is the third electronic equipment.
5. according to the method described in claim 1, it is characterized in that, the information based on first source electronic equipment,
Detect the first Display interface units, first usb interface unit, or the company of the detection secondary USB interface unit
State is connect, the second status information is obtained, including：
When first source electronic equipment is second electronic equipment, the first Display interface units, institute are detected
The connection status for stating the first usb interface unit obtains second status information；
When first source electronic equipment is the third electronic equipment, the connection of the secondary USB interface unit is detected
State obtains second status information.
6. according to the method described in claim 5, it is characterized in that, described be based on second status information, control described the
One Display interface units, the first usb interface unit, secondary USB interface unit and the 2nd Display interface units
Power supply state, including：
When first source electronic equipment be second electronic equipment, and first usb interface unit be in connection shape
When state, the state being powered to the first Display interface units, the first usb interface unit is kept；
When first source electronic equipment is second electronic equipment, and first usb interface unit, described first
When Display interface units are not in connection status, stop to the first Display interface units, the first USB interface list
Member is powered；
When first source electronic equipment is the third electronic equipment, and the secondary USB interface unit is not in connection
When state, stopping is powered the secondary USB interface unit, and according to the connection of the 2nd Display interface units
State controls the power supply state of the 2nd Display interface units；
When first source electronic equipment be the third electronic equipment, and the secondary USB interface unit be in connection shape
When state, the state being powered to the 2nd Display interface units, secondary USB interface unit is kept.
7. method according to any one of claims 1 to 6, which is characterized in that the method further includes：
When getting power supply trigger event, and when first source electronic equipment is second electronic equipment, to described the
Two electronic equipments send power control signal corresponding with the power supply trigger event.
8. a kind of first electronic equipment, which is characterized in that first electronic equipment supports set integrated with the second electronic equipment
It sets, first electronic equipment includes that display unit, the first display Display interface units, the first general-purpose serial bus USB connect
Mouth unit, the 2nd Display interface units and secondary USB interface unit；
The display unit shows Display interface units, the first general-purpose serial bus USB by described first for rendering
Interface unit receive second electronic equipment output signal, or be presented by the 2nd Display interface units, with
And the signal of the third electronic equipment output of secondary USB interface unit reception；
First electronic equipment further includes：
Detection unit, for detect the first Display interface units, the first usb interface unit, secondary USB interface unit,
And whether each interface unit in the 2nd Display interface units is in connection status, obtains first state information；
Determination unit, for according to the first state information, determining that the first source electronic equipment, first source electronics are set
Standby is the source electronic equipment of the currently presented signal of the first electronic equipment；Letter based on first source electronic equipment
Breath, detects the connection status of the first Display interface units, the first usb interface unit, or based on described the detected
The connection status of two usb interface units obtains the second status information；
Control unit, for being based on second status information, control meets first usb interface unit, the 2nd USB
The state that mouth unit is powered.
9. the first electronic equipment according to claim 8, which is characterized in that
The determination unit is additionally operable to be not in when the first Display interface units, first usb interface unit
When connection status, judgement first source electronic equipment is the third electronic equipment；When the first Display interface lists
When first, described first usb interface unit is in connection status, in conjunction with the 2nd Display interface units, described second
Whether usb interface unit is in the information of connection status, determines first source electronic equipment.
10. the first electronic equipment according to claim 9, which is characterized in that the determination unit is additionally operable to when described the
When two Display interface units, the secondary USB interface unit are in connection status, judgement first source electronics is set
Standby is the third electronic equipment；When the 2nd Display interface units, secondary USB interface unit are not in connection shape
When state, judgement first source electronic equipment is second electronic equipment.
11. the first electronic equipment according to claim 10, which is characterized in that first electronic equipment further includes：
Acquiring unit, for obtaining third state information, the information of the third state information representation second source electronic equipment,
When the second source electronic equipment is that first electronic equipment last time enters sleep state, first electronic equipment
The source electronic equipment of the signal presented；
The determination unit is additionally operable to judge whether the second source electronic equipment is second electronic equipment, if so,
Then judge that first source electronic equipment is second electronic equipment；Otherwise, it is determined that first source electronic equipment is
The third electronic equipment.
12. the first electronic equipment according to claim 8, which is characterized in that
The determination unit is additionally operable to when first source electronic equipment is second electronic equipment, detection described the
The connection status of one Display interface units, the first usb interface unit obtains second status information；When described first
When source electronic equipment is the third electronic equipment, the connection status of the secondary USB interface unit is detected, obtains described second
Status information.
13. the first electronic equipment according to claim 12, which is characterized in that described control unit includes：
First control module, for being second electronic equipment when first source electronic equipment, and the first USB connects
When mouth unit is in connection status, holding is powered the first Display interface units, the first usb interface unit
State；
Second control module, for being second electronic equipment when first source electronic equipment, and the first USB connects
When mouth unit, the first Display interface units are not in connection status, stop to the first Display interface lists
Member, the first usb interface unit are powered；
Third control module, for being the third electronic equipment when first source electronic equipment, and the 2nd USB connects
When mouth unit is not in connection status, stopping is powered secondary USB interface unit, and is connect according to the 2nd Display
The connection status of mouth unit controls the power supply state of the 2nd Display interface units；
4th control module, for being the third electronic equipment when first source electronic equipment, and the 2nd USB connects
When mouth unit is in connection status, holding is powered the 2nd Display interface units, secondary USB interface unit
State.
14. according to the first electronic equipment of claim 8 to 13 any one of them, which is characterized in that described control unit is also used
In when getting power supply trigger event, and when first source electronic equipment is second electronic equipment, to described second
Electronic equipment sends power control signal corresponding with the power supply trigger event.
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