CN108664229A - Screen transmission method and device, electronic equipment and computer readable storage medium - Google Patents
Screen transmission method and device, electronic equipment and computer readable storage medium Download PDFInfo
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- CN108664229A CN108664229A CN201810283045.2A CN201810283045A CN108664229A CN 108664229 A CN108664229 A CN 108664229A CN 201810283045 A CN201810283045 A CN 201810283045A CN 108664229 A CN108664229 A CN 108664229A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims abstract description 51
- 238000003860 storage Methods 0.000 title claims abstract description 14
- 238000004891 communication Methods 0.000 claims abstract description 7
- 238000004590 computer program Methods 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 description 77
- 230000008569 process Effects 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000003825 pressing Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 210000004556 brain Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2370/00—Aspects of data communication
- G09G2370/04—Exchange of auxiliary data, i.e. other than image data, between monitor and graphics controller
- G09G2370/042—Exchange of auxiliary data, i.e. other than image data, between monitor and graphics controller for monitor identification
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2370/00—Aspects of data communication
- G09G2370/16—Use of wireless transmission of display information
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Information Transfer Between Computers (AREA)
- Digital Computer Display Output (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The invention provides a screen transmission method, a screen transmission device, electronic equipment and a computer readable storage medium, wherein the method comprises the following steps: setting a screen transmission state for the external equipment, wherein the screen transmission state comprises sharing; when a state switching signal sent by external equipment connected with a communication interface is received, acquiring the screen transmission state of the external equipment; when the screen transmission state of the external equipment is not in sharing, setting the screen transmission state of the screen transmission equipment to be in sharing; and receiving desktop data sent by external equipment with a screen transmission state being shared. When the state switching signal is received, the screen transmission state of the external device is changed by controlling the driving of the conference panel to be bound or unbound with the external device, and the desktop data sent by the shared external device in the screen transmission state is received, so that a user can seize the screen transmission by sending the state switching signal, and the switching mode of the screen transmission device is simple and convenient.
Description
Technical field
The present invention relates to pass screen technical field more particularly to a kind of screen transmission method, device, electronic equipment and computer-readable
Storage medium.
Background technology
Screen technology is passed to be primarily referred to as leading to the sound of the content shown on the screen of the sources equipment such as mobile phone, computer and broadcasting
It crosses biography screen equipment and is synchronized to the technology that the display such as projecting apparatus, television set, meeting tablet equipment is shown.Mobile phone, computer etc. are set
It is standby that there are the advantages such as easy to operate, processing capacity is strong, and meeting tablet etc. shows that equipment has the advantages such as screen is big, audio is good,
The advantage that the two has can be combined by passing screen technology, is widely used under the scenes such as meeting.
By taking conference scenario as an example, when meeting, there may be multiple personnels participating in the meeting to need the data on oneself computer passing screen and arrive
It is shown on meeting tablet, current settling mode generally includes：1, switching passes screen channel on meeting tablet, needs to pass with display
The desktop data of the computer of screen；2, removing passing on other computers, screen equipment, access passes screen equipment on the computer for needing to pass screen.
Under the scene for passing screen in particular for frequent switching, user needs to plug biography screen equipment repeatedly, or frequently goes to meeting and put down
Click switching biography screen channel at plate, so that above-mentioned 2 kinds switch the mode for passing and shielding and use equal inconvenience.
Invention content
In view of this, a kind of screen transmission method of present invention offer, device, electronic equipment and computer readable storage medium, purport
It is solving existing plug or is clicking the mode inconvenient problem with use of switching biography screen at meeting tablet.
Specifically, the present invention is achieved through the following technical solutions：
A kind of screen transmission method, includes the following steps：
When receiving the state switching signal of external equipment transmission, the biography screen state of the external equipment is obtained；Wherein, it passes
Screen state includes：In sharing, the state of transmission desktop data is in for characterizing external equipment；
If the biography screen state of the external equipment is not in sharing, the biography screen state of the external equipment is set as sharing
In；
It is the desktop data that the external equipment in sharing is sent to receive the biography screen state.
In one embodiment, the biography screen state further includes：
Wait seizing, for characterize external equipment be in etc. desktop data to be transmitted state；
Before the step for setting in sharing the biography screen state of the biography screen equipment to, further include：
It is the external equipment in sharing if there is screen state is passed, then is set as waiting robbing by the biography screen state of the external equipment
It accounts for.
In one embodiment, the biography screen state further includes：
It waits sharing, the state for stopping to transmit desktop data is in for characterizing external equipment；
It is described when receive external equipment transmission state switching signal when, obtain the external equipment biography screen state step
After rapid, further include：
When the biography screen state of the external equipment is to share middle, the biography screen state of the biography screen equipment is set as waiting sharing.
It is described when the biography screen state of the external equipment is to share middle in one embodiment, by the biography screen of the biography screen equipment
State was set as after the step of to be shared, and further included：
It detects whether to exist and passes the external equipment that screen state is to be seized；
If in the presence of, target external device is chosen from the external equipment that biography screen state is to be seized according to preset rules,
And it sets in sharing the biography screen state of the target external device to.
In one embodiment, the preset rules include：
When there is only one pass screen state be when the external equipment seized, using the external equipment as target external device；
It is to wait for biography screen state that is earliest or accessing recently when being when the external equipment seized there are multiple biography screen states
The external equipment seized is target external device.
In one embodiment, before the step for setting in sharing the biography screen state of the target external device to, also
Including：
It is external equipment to be shared and drive unbinding and be set as waiting robbing by screen state is passed by the biography screen state
It accounts for, target external device and driving is bound.
In one embodiment, the external equipment access events of each communication interface are monitored；
Screen state is passed according to the external equipment setting that default access rules are access；
The default access rules include：
When there is biography screen state is the external equipment in sharing, set the biography screen state of the external equipment newly accessed to
It waits seizing.
In one embodiment, the default access rules further include：
It is to set the biography screen state of the external equipment newly accessed to when the external equipment shared when there is biography screen state
It waits seizing.
In one embodiment, the default access rules further include：
It is to set the biography screen state of the external equipment newly accessed to when the external equipment shared when there is biography screen state
In sharing.
It is described when presence biography screen state is to set the outside newly accessed when the external equipment shared in one embodiment
Standby biography screen state is set as the step in sharing, including：
The biography screen state that the biography screen state is external equipment to be shared is set as waiting seizing, the outside newly accessed is set
Standby biography screen state is set as in sharing.
In one embodiment, before the step for setting in sharing the biography screen state of the external equipment newly accessed to,
Further include：
It is that external equipment and driving to be shared are unbinding by the biography screen state, by the external equipment of the new access and drive
Dynamic binding.
The invention also discloses a kind of biography screen devices, including：
Acquisition module, for when receiving the state switching signal of external equipment transmission, obtaining the biography of the external equipment
Screen state；Wherein, passing screen state includes：In sharing, the state of transmission desktop data is in for characterizing external equipment；
Setup module, if the biography screen state for the external equipment is not in sharing, by the biography screen shape of the external equipment
State is set as in sharing；
Receiving module, it is the desktop data that the external equipment in sharing is sent to pass screen state for the reception.
The invention also discloses a kind of electronic equipment, including：
Processor；
Memory for storing processor-executable instruction；
Wherein, the processor is configured as executing the screen transmission method as described in preceding any one.
The invention also discloses a kind of computer readable storage mediums, are stored thereon with computer program, which is located
Manage the screen transmission method realized when device executes as described in preceding any one.
The present invention is that external equipment is provided with the screen state that passes, and biography screen state includes：In sharing；When receiving communication interface phase
When the state switching signal that external equipment even is sent, the biography screen state of the external equipment is obtained；When the biography screen of the external equipment
State is not to set in sharing the biography screen state of the biography screen equipment to when sharing middle；It is outer in sharing to receive and pass screen state
The desktop data that portion's equipment is sent.The meeting tablet a certain moment is only capable of receiving the desktop data that an external equipment is sent, this hair
The bright driving and external equipment binding or unbundlings for when receiving state switching signal, passing through control meeting tablet changes external sets
Standby biography screen state, and the desktop data for passing that screen state is the external equipment transmission in sharing is received, and a certain moment only has one
A external equipment is bound with driving, i.e., during only there are one the biography screen states of external equipment to share, and user can pass through transmission
State switching signal carries out seizing biography screen, is passed without plugging to pass screen equipment or go at meeting tablet to click to switch repeatedly
Shield channel, passes the switching mode of screen equipment simply, conveniently.
Description of the drawings
Fig. 1 a are a kind of flow charts of screen transmission method shown in an exemplary embodiment of the invention；
Fig. 1 b are the schematic diagrames of two external equipments of access shown in an exemplary embodiment of the invention；
Fig. 1 c are the biography panel framework figures in the meeting tablet shown in an exemplary embodiment of the invention；
Fig. 1 d are the biography panel framework figures in the meeting tablet shown in an exemplary embodiment of the invention；
Fig. 2 a are the biography panel framework figures in existing meeting tablet；
Fig. 2 b are the schematic diagrames for switching external equipment by pluggable mode；
Fig. 3 is a kind of flow chart of screen transmission method shown in an exemplary embodiment of the invention；
Fig. 4 is a kind of flow chart of screen transmission method shown in an exemplary embodiment of the invention；
Fig. 5 a are a kind of state machine logic figures shown in an exemplary embodiment of the invention；
Fig. 5 b are a kind of state machine logic figures shown in an exemplary embodiment of the invention；
Fig. 6 is a kind of logic diagram of biography screen device shown in an exemplary embodiment of the invention；
Fig. 7 is the logic diagram of a kind of electronic equipment shown in an exemplary embodiment of the invention.
Specific implementation mode
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent and the consistent all embodiments of the present invention.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects being described in detail in claims, of the invention.
It is the purpose only merely for description specific embodiment in terminology used in the present invention, is not intended to limit the invention.
It is also intended to including majority in the present invention and "an" of singulative used in the attached claims, " described " and "the"
Form, unless context clearly shows that other meanings.It is also understood that term "and/or" used herein refers to and wraps
Containing one or more associated list items purposes, any or all may be combined.
It will be appreciated that though various information, but this may be described using term first, second, third, etc. in the present invention
A little information should not necessarily be limited by these terms.These terms are only used for same type of information being distinguished from each other out.For example, not departing from
In the case of the scope of the invention, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as
One information.Depending on context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determination ".
Screen technology is passed to be primarily referred to as the sound of the content and broadcasting that show on the screen of the sources equipment such as mobile phone, computer
(desktop data) passes through biography screen equipment and is synchronized to the technology that the display such as projecting apparatus, television set, meeting tablet equipment is shown.Hand
The equipment such as mechanical, electrical brain have an advantages such as easy to operate, processing capacity is strong, and meeting tablet etc. shows that equipment has that screen is big, sound
The advantages such as good are imitated, the advantage that the two has can be combined by passing screen technology, be widely used under the scenes such as meeting.
By taking conference scenario as an example, when meeting, there may be multiple personnels participating in the meeting to need the data on oneself computer passing screen and arrive
It is shown on meeting tablet, current settling mode generally includes：1, switching passes screen channel on meeting tablet, needs to pass with display
The desktop data of the computer of screen；2, removing passing on other computers, screen equipment, access passes screen equipment on the computer for needing to pass screen.
Under the scene for passing screen in particular for frequent switching, user needs to plug biography screen equipment repeatedly, or frequently goes to meeting and put down
Click switching biography screen channel at plate, so that above-mentioned 2 kinds switch the mode for passing and shielding and use equal inconvenience.In view of the above-mentioned problems, this hair
It is bright to propose a kind of screen transmission method, as shown in Figure 1a, include the following steps：
Step S110：When receiving the state switching signal of external equipment transmission, the biography screen shape of the external equipment is obtained
State；Wherein, passing screen state includes：In sharing, the state of transmission desktop data is in for characterizing external equipment；
When due to wireless screen transmission, meeting tablet passes through network into row data communication with screen equipment is passed, therefore can not
The driving in meeting Tablet operating system and the link that is adapted to of biography screen equipment are needed, from may be not present by binding or unbinding driving
Mode change and pass screen state, therefore, one embodiment of this method is applied in wired biography screen, is set at present by wired biography screen
The standby process for pass screen is as follows：Pass screen equipment one end be connected with the USB interface of source equipment (notebook etc.), the other end and
The USB interface of meeting tablet is connected, and source equipment is to pass screen equipment power supply, is in starting state to pass screen equipment, meeting is flat
Plate can enumerate the information of the equipment of each interface access in USB interface access device, will when it is to pass screen equipment to identify the equipment
Driving with pass screen equipment binding, so as to receive the desktop data for the source equipment for passing screen equipment crawl, meeting tablet is by table
Face data is parsed and is rendered on the screen, and screen is passed to realize.
But current wired screen transmission method, as shown in Fig. 2 a, Fig. 2 b, meeting tablet 200 is detected by information-driven to be connected
The identity such as the VID (Vendor ID, supplier's identification code) of the equipment connect and/or PID (Product ID, product ID) are believed
Breath will pass screen driving and bound with screen equipment 100 is passed, so as to receive when the equipment for identifying access is to pass screen equipment 100
Pass the desktop data that screen equipment 100 is sent (desktop data passes screen equipment 100 and captured from source equipment 301).Certainly,
User can also be by passing screen by 101 stoppings of button passed on screen equipment 100/unlatching, and it refers to passing screen equipment that the stopping, which passes screen,
100 do not send desktop data to meeting tablet 200.Obviously, when other source equipment need to send desktop data to meeting tablet
When, it can be by the way that the biography screen equipment be connect with the source equipment for passing screen is needed, for example, screen equipment will be passed in Fig. 2 b
100 pull out from source equipment 302, then are inserted into screen equipment 100 is passed in the USB interface of source equipment 301.
It is of course also possible to as shown in Figure 1 b, source equipment 301 is passed through into biography screen equipment 111 and is connected with meeting tablet 200,
Source equipment 302 is passed through biography screen equipment 112 with meeting tablet 200 to be connected, as shown in Figure 2 a, although information-driven can
Screen equipment 111,112 is passed with identification, still, is passed there are one screen drivings only, and one passes screen driving and is only capable of and a biography screen equipment
Binding, and, it usually will not be unbinding after binding, except the biography screen equipment of unbundling is pulled out.Obviously, existing wired biography
Screen mode can not conveniently switching passes screen between multiple source equipment 301,302.
It (can be understood as passing screen equipment 111,112, it is of course also possible to which screen equipment will be passed for this purpose, the present invention is external equipment
And its connected source equipment entirely regards external equipment as one) setting biography screen state, and as illustrated in figure 1 c, with figure
The main distinction of 2b is, increases adaptation driving 1 and adaptation driving 2, wherein adaptation driving 1 is one, adaptation driving 2
Quantity can be set as needed, and be not limited to one shown in figure.
Framework of the adaptation driving of the present invention as operating system bottom, can report communication information to upper layer application, and
Multimedia file (desktop data) can be reported to upper layer application by passing screen driving, pass the side that screen application can be called by system
Formula, which is got, passes the desktop data that screen driving reports.
The present invention is by being arranged adaptation driving 1 and adaptation driving 2 so as to be adapted to multiple external equipments, and only setting is suitable
Driving binding can be shielded with passing with driving 1, the desktop data of external equipment can be sent to adaptation driving 1, then by adaptation driving 1
It is sent to biography screen driving, desktop data can be got by way of system calling to pass screen application.
Since the biography screen state of external equipment is in sharing, i.e., external equipment is in the state of transmission desktop data；In conjunction with
Noted earlier, that is, it is that the external equipment in sharing is adapted to driving 1 is adapted to pass screen state；For example, the source equipment 301 in Fig. 1 b
Biography screen state be to share, and the biography screen state of source equipment 302 is apparently not that (the same time can only be there are one source in sharing
The biography screen state of end equipment is to share), i.e., source equipment 301 and be adapted to driving 1 and be adapted to, source equipment 302 drives 2 with being adapted to
Adaptation.
When user wish source equipment 302 become pass screen state when, can by pass screen equipment 112 on button 102, from
And state switching signal can be sent to meeting tablet 200 by passing screen equipment 112, and be adapted to driving 2 for intercept be adapted to it is outer
The state switching signal (key-press event) that portion equipment is sent, it is clear that be adapted to the biography screen state for the external equipments that driving 2 is adapted to not
It is in sharing.
Step S120：If the biography screen state of the external equipment is not in sharing, the biography screen state of the biography screen equipment is set
It is set in sharing；
The chance for passing and shielding the purpose of the present invention is different external equipments " can be got " (may be considered and " seize biography
Screen "), for this purpose, the different rule of screen setting can be passed to seizing, for example, it is not that the outside in sharing is set to receive biography screen state
When the state switching signal that preparation is sent, the biography screen state of the biography screen equipment can be set in sharing to；It is, of course, also possible to increase
Other rules, for example, can wait until after forward pass screen state is the external equipment transmission state switching signal in sharing, then will
Seize pass screen external equipment biography screen state be set as sharing it is medium.
Certainly, since same time meeting tablet 200 can only receive and show the desktop data of a source equipment, that is,
Pass screen state be source equipment in sharing can only there are one, if when receiving state switching signal, have existed biography screen
State is the source equipment in sharing, then needs first to switch to the biography screen state of the source equipment from sharing and not share
In.
For ease of description, one embodiment of the invention will be known as with the biography screen state for the external equipment for being adapted to 2 adaptation of driving
It waits seizing, waits robbing the state that characterization external equipment such as is at the desktop data to be transmitted that occupies.Then during seizing biography screen,
If being before the external equipment in sharing in the presence of screen state is passed, the biography screen state of the external equipment is set as waiting seizing,
Again set in sharing the biography screen state for seizing the external equipment for passing screen to.
As previously mentioned, adaptation 1 only one of driving, and to send desktop data to screen application is passed, external equipment must be with
Adaptation driving 1, then as shown in Fig. 1 b and Fig. 1 c, in the biography screen state of source equipment 301 is to share, and user passes screen by pressing
When the button of equipment 102 sends state switching signal (key-press event) to seize biography screen, adaptation driving 2 switches letter according to the state
Number generate thread so that adaptation driving 1 with pass screen driving and pass screen equipment 101 unbind, adaptation driving 2 with pass screen equipment 102 solve
It ties up；Adaptation driving 1 and the driving of biography screen are controlled again and are passed the binding of screen equipment 102, be adapted to driving 2 and passed the binding of screen equipment 101.When
So, can also be that key-press event is reported to biography screen application by adaptation driving 2, by the mistake for passing screen application control above-mentioned binding and unbundlings
Journey.The present invention is not construed as limiting to binding with the control main body of unbundlings and process.
Step S130：It is the desktop data that the external equipment in sharing is sent to receive the biography screen state.
The present invention switches letter by being provided with the screen state that passes for external equipment, and in the state for receiving external equipment transmission
Number when by controlling driving and the binding of external equipment and/or unbundlings achieve the purpose that switching passes screen state, due to synchronization
During at most only there are one the biography screen states of external equipment to share, and meeting tablet 200 only receives and shows that it is point to pass screen state
The desktop data that external equipment in enjoying is sent.The present invention need not be plugged to pass screen equipment or go at meeting tablet and be clicked repeatedly
Switching passes screen channel, and user can pass through control biography screen equipment and send the desktop number that state switching signal switching meeting tablet receives
It is simple according to, the switching mode that passes screen equipment, conveniently.
During desktop data is sent to the display of meeting tablet 200 by source equipment, user may temporarily be not desired in meeting
It discusses tablet 200 and shows source equipment desktop data, but be not desired to use and pull out biography this complex way of screen equipment.For this purpose, this hair
A bright embodiment also proposed following method：
It is described when receive external equipment transmission state switching signal when, obtain the external equipment biography screen state step
After rapid, further include：
When the biography screen state of the external equipment is to share middle, the biography screen state of the biography screen equipment is set as waiting sharing.
The biography screen state further includes：
It waits sharing, characterization external equipment is in the state for stopping transmission desktop data.
State switching signal is not only to pass screen state, and not to be external equipment in sharing can send, and it is to share to pass screen state
In external equipment can also send.When it is that the external equipment in sharing sends state switching signal to pass screen state, usually come
It says, is that user wishes that pausing at meeting tablet 200 shows source equipment desktop data, is put down to meeting at this point, passing screen equipment and suspending
Plate 200 transmits desktop data, it is of course also possible to be to pass screen equipment pause to capture desktop data from source equipment.Due at this time
The biography screen state of the external equipment is not, for the ease of difference, the biography screen state of external equipment in such cases to be claimed in sharing
To wait sharing, wait sharing the state for being in suspension transmission desktop data for characterizing external equipment.Screen state is passed to be converted into waiting for point
The external equipment enjoyed, still be adapted to driving 1 adaptation, adaptation driving 1 still with pass shield driving binding.
It is above-mentioned to be referred to as actively by way of sending biography screen state of the state switching signal " robbing " in sharing
That seizes seizes biography screen, it is, of course, also possible to be that the biography of seizing passively seized is shielded, for example, it is that the outside in sharing is set to pass screen state
It is standby can be by way of exiting and passing screen, the biography screen state " resignings " in sharing can also reach switching to other external equipments
Pass the purpose of screen equipment.For this purpose, one embodiment of the invention, it is described in the biography screen state of the external equipment is to share when, will
The biography screen state of the biography screen equipment was set as after the step of to be shared, as shown in figure 3, further including：
Step S310：It detects whether to exist and passes the external equipment that screen state is to be seized；
Step S320：If in the presence of target is chosen from the external equipment that biography screen state is to be seized according to preset rules
External equipment, and set in sharing the biography screen state of the target external device to.
In multi-person conference, each participant " seizing " can pass the chance shielded by way of by the button for passing screen equipment,
It is of course also possible to be to pass the people of screen " being exited " by way of the button by biography screen equipment, i.e., it will pass screen chance and allow and understand it
Other people.For example, there is the biography screen state for passing that screen state is the external equipment in sharing or when the external equipment shared, newly accessed
It could be provided as waiting seizing.It is that the biography screen equipment in sharing shares desktop by sending the pause of state switching signal when passing screen state
When, it, can be with if meeting tablet 200 is also connected with other external equipments (i.e. in the presence of pass screen state be external equipment to be seized)
From screen state is passed it is that target external device is chosen in external equipment to be seized according to preset rules, and by the target external device
Biography screen state be set as in sharing.
Preset rules can have different forms, can be arranged according to actual demand, and as an embodiment, the present invention provides
A kind of preset rules, including：
When there is only one pass screen state be when the external equipment seized, using the external equipment as target external device；
It is to wait for biography screen state that is earliest or accessing recently when being when the external equipment seized there are multiple biography screen states
The external equipment seized is target external device.
As shown in Fig. 1 b and Fig. 1 c, source equipment 301 passes through biography screen equipment 111 and is connected with meeting tablet 200, source equipment
302 pass through biography screen equipment 112 is connected with meeting tablet 200, and the desktop data of source equipment 301 passes screen and arrived meeting tablet
In 200, the biography screen state to pass screen equipment 111 is in sharing, i.e., adaptation driving 1 is adapted to screen equipment 111 is passed, and is shielded with passing
Driving binding.And be adapted to driving 2 and be adapted to biography screen equipment 112, the biography screen state for passing screen equipment 112 is to wait seizing.The present embodiment
In, desktop data is had to by passing screen driving to being transmitted to meeting tablet 200, and it is that can uniquely shield with passing to be adapted to driving 1
Matched adaptation is driven to drive.To, when pass screen equipment 112 want to rob account for pass screen chance (i.e. pass screen state become to share
In), it needs to first pass through following operation：
Before the step for setting in sharing the biography screen state of the target external device to, further include：
It is external equipment to be shared and drive unbinding and be set as waiting robbing by screen state is passed by the biography screen state
It accounts for, target external device and driving is bound.
In Figure 1b, that is, will first screen driving be passed by needing releases with the binding relationship for passing screen equipment 111, will pass screen equipment 111
Biography screen state be set as waiting seizing, can also will adaptation driving 2 with biography screen equipment 111 be adapted to.As target external device
It passes screen equipment 112 and is adapted to 1 adaptation of driving, adaptation drives 1 to be bound with screen driving is passed, to pass the biography screen state of screen equipment 112
In sharing.
Although herein for unbundlings, again bind and pass screen state setting description be for passively seize seize biography shield
For, but that actively seizes seizes during biography screen the setting for binding and passing screen state there is also unbundlings, again, detailed process
Similar with aforesaid way, it will not go into details herein.
Although foregoing description is for seizing the process for passing screen after meeting tablet 200 has accessed multiple external equipments
, it will be clear that passing, screen equipment is not usually while what is connect with meeting tablet 200 (even while inserting, still can also there is one
The fixed time difference)；Certainly, also in some cases, user is that the when of passing screen is being needed just to access new external equipment.And the present invention is
By the way that different biography screen states is arranged for different external equipments, the phase shielded is passed to effectively manage switching between each external equipment
Close matters, it is clear that when external equipment accesses, that is, need to pass screen state for its setting is corresponding.For this purpose, as shown in figure 4, this hair
The method of a bright embodiment further includes following steps：
Step S410：Monitor the external equipment access events of each communication interface；
Step S420：Screen state is passed according to the external equipment setting that default access rules are access；
The default access rules include：
When there is biography screen state is the external equipment in sharing, set the biography screen state of the external equipment newly accessed to
It waits seizing.
Meeting tablet 200 can drive the identity informations such as the VID/PID for enumerating the equipment newly accessed, information-driven by USB
For obtaining the identity information, when the equipment for identifying access is passes screen equipment, judge that currently whether there is biography screen state is
External equipment (whether there is and be adapted to the external equipment for driving 1 binding) in sharing, if it does not, for example, this is to work as
The biography screen equipment that preceding only one is connect with meeting tablet 200, although it is of course also possible to connect multiple external equipments before being,
But wherein biography screen state is in sharing or external equipment to be shared removes, but other external equipments do not seize biography
Screen becomes to pass screen state to be the external equipment in sharing；Then can directly it set the biography screen state of the external equipment newly accessed to
In sharing.
When there is biography screen state is the external equipment in sharing, set the biography screen state of the external equipment newly accessed to
It waits seizing, that is, passes screen state and be external equipment in sharing and be adapted to and drive 1 fitting relation constant, the external equipment newly accessed
2 (multiple adaptations drivings 2 can be generated with the quantity for the external equipments for being adapted to 2 adaptation of driving as needed) are driven with being adapted to, from
And the external equipment newly accessed will not interrupt current throwing screen and show, and if desired the external equipment newly accessed seizes biography screen, it can
Biography screen is seized in a manner of by sending state switching signal by button.
Certainly, default access rules can also have other modes, seek to use for example, user is newly inserted into an external equipment
This new external equipment passes screen, so as to when detecting access external equipment, i.e., by the biography screen of the external equipment newly accessed
State is set as in sharing, and " being snatched away " if pass screen chance external equipment there is still a need for pass shield, can be by pressing button
The mode of transmission state switching signal robs passback screen chance.Access rules, this hair can be preset according to actual use demand setting
It is bright that this is not construed as limiting.
Even if as previously mentioned, being the external equipment in sharing there is no screen state is passed, but being there is likely to be screen state is passed
Biography screen equipment to be shared, and pass screen state be in sharing and biography screen equipment to be shared all be and be adapted to driving 1 in adaptation
State simultaneously shields driving binding with passing, if being to wait sharing with the biography screen state of the biography screen equipment of 1 adaptation of adaptation driving, can also recognize
It is currently not desired to pass screen for the user.Therefore, further, in one embodiment of the invention, the default access rules can also wrap
It includes：
It is to set the biography screen state of the external equipment newly accessed to when the external equipment shared when there is biography screen state
In sharing.
As previously mentioned, it is that external equipment (hereinafter referred to as first external equipment) to be shared still drives 1 be adapted to pass screen state
Binding, as shown in Figure 1 d, at this point it is possible to which the external equipment newly accessed (hereinafter referred to as second external equipment) is fitted with driving 3 is adapted to
Match, it is to wait seizing to pass screen state.Adaptation driving 3 can be by generation thread, with control adaptation driving 1 and the driving of biography screen and first
External equipment unbinds, and adaptation driving 3 is unbinded with second external equipment；Adaptation driving 1 is controlled again and passes screen driving and second external equipment
Binding, adaptation driving 2 are bound with first external equipment.To which meeting tablet can receive and show the desktop that second external equipment is sent
Data.New access external equipment is an access events for adaptation driving 3, to which adaptation driving 3 can also will access thing
Part is reported to biography screen application, by the process for passing screen application control above-mentioned binding and unbundlings.The present invention is to binding the control with unbundlings
Main body and process are not construed as limiting.
When being inserted into new equipment, although the binding between driving and external equipment and/or unbundlings can be triggered, or even biography screen is seized
Chance, still, newly be inserted into an external equipment meeting FPD picture will saltus step at the external equipment newly accessed table
Face, for user's use habit, there are rude senses；And even if it is strictly to seize biography screen to be inserted into new external equipment, by one
Lower button sends state switching signal and seizes the operation of biography screen again also very simply, and therefore, the default access rules can also include：
It is to set the biography screen state of the external equipment newly accessed to when the external equipment shared when there is biography screen state
It waits seizing.
The type that the system architecture of meeting tablet can as illustrated in figure 1 c, be adapted to driving at this time can only have adaptation driving 1
(several) adaptation driving 2, the external equipment that newly accesses and pass screen state be external equipment to be seized can be adapted to
2 adaptation of driving, adaptation driving 2 is for intercepting key-press event, when listening to key-press event, passes through unbundlings and binding so that production
The biography screen state of the external equipment of the raw key-press event becomes in sharing, the process class of detailed process and aforementioned unbundlings and binding
Seemingly, details are not described herein again.
In order to which the above-mentioned scheme for seizing biography screen is better described, two examples will be passed through below and carry out specific explanations.
Example one：
As shown in Fig. 5 a and Fig. 1 d, in newly access external equipment (hereinafter referred to as the first external equipment), judgement is currently
It is to share the external equipment of middle S or to be shared A that no presence, which passes screen state, if it does not, i.e. the first external equipment can be direct
Screen is passed, so that the first external equipment is adapted to 1 (D-A1) of driving is adapted to, and driving 1 is adapted to and passes and shield driving binding.
It is to share the external equipment of middle S to pass screen state, can suspend by way of by button and share desktop, to pass
Screen state is set as A to be shared；And the external equipment that screen state is A to be shared is passed, it can start by way of by button point
Desktop is enjoyed, is set as sharing middle S to which screen state will be passed.Dividing although external equipment will pass screen state by way of button
Enjoy and being switched between S and A to be shared, but the external equipment always be adapted to driving 1 (D-A1) adaptation, and be adapted to driving 1 one
Directly shield driving binding with biography.
When new access external equipment (hereinafter referred to as the second external equipment), and in the external equipment of meeting tablet connection
It is when sharing the external equipment of middle S (the first external equipment) in the presence of screen state is passed, the second external equipment of setting is needed with button
The mode of transmission state switching signal seizes biography screen, and one embodiment of the invention is needed with being adapted to driving 2 (D-A2) adaptation by pressing
Button can just seize the external equipment for passing screen.
Second external equipment is adapted to 2 (D-A2) of driving are adapted to, biography screen state is W to be seized.Adaptation driving 2 is used for
Intercept the state switching signal of external equipment transmission.When the state that adaptation driving 2 listens to the transmission of the second external equipment switches letter
When number (key-press event), adaptation driving 2, which can pass through, generates thread so that adaptation driving 1 with pass screen drive and first outside set
Standby unbundlings, adaptation driving 2 and the second external equipment unbind；Adaptation driving 1 is controlled again to tie up with the driving of biography screen and the second external equipment
Fixed, adaptation driving 2 and the first external equipment are bound.Become to wait seizing by sharing middle S to the biography screen state of the first external equipment
W；The biography screen state of second external equipment is become to share middle S by W to be seized.
Certainly, adaptation driving 2 can also be made decision by notifying the key-press event to pass screen application by passing screen application：It will
It is adapted to driving 1 and the first external equipment and passes to shield to drive and unbind, it will adaptation driving 2 and the second external equipment unbundlings；Adaptation is driven
Dynamic 1 binds with the driving of biography screen and the second external equipment, and the biography screen state of the second external equipment is become to share middle S by W to be seized；It will
Adaptation driving 2 is adapted to the first external equipment, and the biography screen state of the first external equipment becomes W to be seized by sharing middle S.
Alternatively, external equipment (hereinafter referred to as third external equipment) ought be newly accessed, and the external equipment of meeting tablet connection
In have existed pass screen state be when sharing external equipment (the first external equipment) of A, setting third external equipment pass through insert
The mode for entering equipment seizes biography screen, and one embodiment of the invention can seize biography screen to be adapted to driving 3 (D-A3) adaptation by being inserted into
External equipment.
Third external equipment is adapted to 3 (D-A3) of driving are adapted to, biography screen state is W to be seized.Adaptation driving 3 can be with
By generating thread so that adaptation driving 1 and the driving of biography screen and the first external equipment unbind, and are adapted to and drive 3 and set outside third
Standby unbundlings；It controls adaptation driving 1 again to bind with the driving of biography screen and third external equipment, adaptation drives 2 to tie up with the first external equipment
It is fixed.W to be seized is become by A to be shared to the biography screen state of the first external equipment；The biography screen state of second external equipment is by waiting for
W is seized to become to share middle S.
Certainly, also adaptation driving 3 can also notify to pass screen application, be made decision by passing screen application：By adaptation driving 1 and first
External equipment and biography screen driving unbundlings, drive 3 to be unbinded with third external equipment adaptation；Will adaptation driving 1 with pass screen driving and
Third external equipment is bound, and the biography screen state of third external equipment is become to share middle S by W to be seized；By adaptation driving 2 and first
External equipment is adapted to, and the biography screen state of the first external equipment becomes W to be seized by A to be shared.
Example two：
As shown in Fig. 5 b and Fig. 1 c, in newly access external equipment (hereinafter referred to as the first external equipment), judgement is currently
It is to share the external equipment of middle S or to be shared A that no presence, which passes screen state, if it does not, i.e. the first external equipment can be direct
Screen is passed, so that the first external equipment is adapted to 1 (D-A1) of driving is adapted to, and driving 1 is adapted to and passes and shield driving binding.
It is to share the external equipment of middle S to pass screen state, can suspend by way of by button and share desktop, to pass
Screen state is set as A to be shared；And the external equipment that screen state is A to be shared is passed, it can start by way of by button point
Desktop is enjoyed, is set as sharing middle S to which screen state will be passed.Dividing although external equipment will pass screen state by way of button
Enjoy and being switched between S and A to be shared, but the external equipment always be adapted to driving 1 (D-A1) adaptation, and be adapted to driving 1 one
Directly shield driving binding with biography.
When new access external equipment (hereinafter referred to as the second external equipment), and in the external equipment of meeting tablet connection
It is to share middle S or when sharing external equipment (the first external equipment) of A, that is, be adapted to driving 1 by first in the presence of screen state is passed
External equipment occupies, then the second external equipment can only be taken over by adaptation driving 2, and biography screen state is W to be seized.Then outside second
Equipment needs to seize biography screen in a manner of sending state switching signal by button.
State switching signal of the adaptation driving 2 for intercepting external equipment transmission.When adaptation driving 2 listens to outside second
Equipment send state switching signal (key-press event) when, adaptation driving 2 can pass through generate thread so that adaptation driving 1 with
Screen driving and the first external equipment unbundlings are passed, adaptation driving 2 and the second external equipment unbind；Adaptation driving 1 is controlled again and passes screen
Driving and the binding of the second external equipment, adaptation driving 2 and the first external equipment are bound.To the biography screen state of the first external equipment
Become W to be seized by sharing middle S；The biography screen state of second external equipment is become to share middle S by W to be seized.
Certainly, adaptation driving 2 can also be made decision by notifying the key-press event to pass screen application by passing screen application：It will
It is adapted to driving 1 and the first external equipment and passes to shield to drive and unbind, it will adaptation driving 2 and the second external equipment unbundlings；Adaptation is driven
Dynamic 1 binds with the driving of biography screen and the second external equipment, and the biography screen state of the second external equipment is become to share middle S by W to be seized；It will
Adaptation driving 2 is adapted to the first external equipment, and the biography screen state of the first external equipment becomes W to be seized by sharing middle S.
Biography screen state " not connected N " described in Fig. 5 a and Fig. 5 b primarily to make state machine logic complete, in fact,
After external equipment is extracted, there is no need to drive to be adapted to it.
Although foregoing description seems the state for only relating to one or two of external equipment of access, still, when there are outside more
When equipment, state machine logic shown in Fig. 5 a and Fig. 5 b is still applicable in.Certainly, the state machine logic of Fig. 5 a and Fig. 5 b illustrate only base
This function can also change state machine logic as the case may be, such as increase or delete part rule, hereinbefore provide portion
Divide the thinking of modification state machine logic, there is likely to be other modes certainly, and this is not limited by the present invention.
Above-described embodiment in the absence of conflict can in any combination, and this is not limited by the present invention.
Corresponding with the embodiment of aforementioned screen transmission method, the present invention also provides the embodiments for passing screen device.
The embodiment that the present invention passes screen device can be applied on meeting tablet.Device embodiment can pass through software reality
It is existing, it can also be realized by way of hardware or software and hardware combining.For implemented in software, as on a logical meaning
Device is to be read corresponding computer program instructions in nonvolatile memory by the processor of meeting tablet where it
Operation is formed in memory.For hardware view, as shown in fig. 7, one kind of meeting tablet where passing screen device for the present invention
Hardware structure diagram, other than processor shown in Fig. 7, memory, network interface and nonvolatile memory, in embodiment
Meeting tablet where device can also include other hardware generally according to the actual functional capability of the meeting tablet, no longer superfluous to this
It states.
Referring to FIG. 6, a kind of biography screen device, including：
Acquisition module, for when receiving the state switching signal of external equipment transmission, obtaining the biography of the external equipment
Screen state；Wherein, passing screen state includes：In sharing, the state of transmission desktop data is in for characterizing external equipment；
Setup module, if the biography screen state for the external equipment is not in sharing, by the biography screen shape of the external equipment
State is set as in sharing；
Receiving module, it is the desktop data that the external equipment in sharing is sent to pass screen state for the reception.
The function of modules and the realization process of effect specifically refer to and correspond to step in the above method in above-mentioned apparatus
Realization process, details are not described herein.
For device embodiments, since it corresponds essentially to embodiment of the method, so related place is referring to method reality
Apply the part explanation of example.The apparatus embodiments described above are merely exemplary, wherein described be used as separating component
The unit of explanation may or may not be physically separated, and the component shown as unit can be or can also
It is not physical unit, you can be located at a place, or may be distributed over multiple network units.It can be according to actual
It needs that some or all of module therein is selected to realize the purpose of the present invention program.Those of ordinary skill in the art are not paying
In the case of going out creative work, you can to understand and implement.
Referring to FIG. 7, a kind of electronic equipment, including：
Processor；
Memory for storing processor-executable instruction；
Wherein, the processor is configured as executing the screen transmission method as described in preceding any one.
Further, the present invention also provides a kind of computer readable storage medium, it is stored thereon with computer program, it should
The screen transmission method as described in preceding any one is realized when program is executed by processor.
The embodiment of the present invention can be used in one or more wherein include program code readable medium it is (including but unlimited
In magnetic disk storage, CD-ROM, optical memory etc.) on the form of computer program product implemented.Computer can be with readable
Medium includes permanent and non-permanent, removable and non-removable media, can be accomplished by any method or technique information
Storage.Information can be computer-readable instruction, data structure, the module of program or other data.The readable medium of computer
Example include but not limited to：Phase transition internal memory (PRAM), static RAM (SRAM), dynamic random access memory
(DRAM), other kinds of random access memory (RAM), read-only memory (ROM), electrically erasable programmable read-only memory
(EEPROM), fast flash memory bank or other memory techniques, read-only disc read only memory (CD-ROM) (CD-ROM), digital versatile disc
(DVD) or other optical storages, magnetic tape cassette, tape magnetic disk storage or other magnetic storage apparatus or any other non-biography
Defeated medium can be used for storage and can be accessed by a computing device information.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent substitution, improvement and etc. done should be included within the scope of protection of the invention god.
Claims (14)
1. a kind of screen transmission method, which is characterized in that include the following steps：
When receiving the state switching signal of external equipment transmission, the biography screen state of the external equipment is obtained；Wherein, screen shape is passed
State includes：In sharing, the state of transmission desktop data is in for characterizing external equipment；
If the biography screen state of the external equipment is not in sharing, set in sharing the biography screen state of the external equipment to；
It is the desktop data that the external equipment in sharing is sent to receive the biography screen state.
2. screen transmission method as described in claim 1, which is characterized in that the biography screen state further includes：
Wait seizing, for characterize external equipment be in etc. desktop data to be transmitted state；
Before the step for setting in sharing the biography screen state of the biography screen equipment to, further include：
It is the external equipment in sharing if there is screen state is passed, then is set as waiting seizing by the biography screen state of the external equipment.
3. screen transmission method as claimed in claim 2, which is characterized in that the biography screen state further includes：
It waits sharing, the state for stopping to transmit desktop data is in for characterizing external equipment；
It is described when receiving the state switching signal of external equipment transmission, the step of obtaining the biography screen state of the external equipment it
Afterwards, further include：
When the biography screen state of the external equipment is to share middle, the biography screen state of the biography screen equipment is set as waiting sharing.
4. screen transmission method as claimed in claim 3, which is characterized in that described in the biography screen state of the external equipment is to share
When, after setting the biography screen state of the biography screen equipment to the step of to be shared, further include：
It detects whether to exist and passes the external equipment that screen state is to be seized；
If in the presence of target external device is chosen from the external equipment that biography screen state is to be seized according to preset rules, and will
The biography screen state of the target external device is set as in sharing.
5. screen transmission method as claimed in claim 4, which is characterized in that the preset rules include：
When there is only one pass screen state be when the external equipment seized, using the external equipment as target external device；
It is to wait seizing with biography screen state that is earliest or accessing recently when being when the external equipment seized there are multiple biography screen states
External equipment be target external device.
6. screen transmission method as claimed in claim 4, which is characterized in that the biography screen state by the target external device is arranged
Before the step in sharing, further include：
It is external equipment to be shared and drive unbinding and be set as waiting seizing by screen state is passed by the biography screen state, it will
Target external device is bound with driving.
7. screen transmission method as claimed in claim 3, which is characterized in that the method further includes：
Monitor the external equipment access events of each communication interface；
Screen state is passed according to the external equipment setting that default access rules are access；
The default access rules include：
When there is biography screen state is the external equipment in sharing, the biography screen state of the external equipment newly accessed is set as waiting robbing
It accounts for.
8. screen transmission method as claimed in claim 7, which is characterized in that the default access rules further include：
It is to be set as waiting robbing by the biography screen state of the external equipment newly accessed when the external equipment shared when there is biography screen state
It accounts for.
9. screen transmission method as claimed in claim 7, which is characterized in that the default access rules further include：
It is to be set as sharing by the biography screen state of the external equipment newly accessed when the external equipment shared when there is biography screen state
In.
10. screen transmission method as claimed in claim 9, which is characterized in that the outside that ought have biography screen state and be to be shared
When equipment, it sets the biography screen state of the external equipment newly accessed to the step in sharing, including：
The biography screen state that the biography screen state is external equipment to be shared is set as waiting seizing, by the external equipment newly accessed
Screen state is passed to be set as in sharing.
11. screen transmission method as claimed in claim 10, which is characterized in that the biography screen state by the external equipment newly accessed
It is set as before the step in sharing, further includes：
It is that external equipment and driving to be shared are unbinding by the biography screen state, the external equipment of the new access is tied up with driving
It is fixed.
12. a kind of biography screen device, which is characterized in that including：
Acquisition module, for when receiving the state switching signal of external equipment transmission, obtaining the biography screen shape of the external equipment
State；Wherein, passing screen state includes：In sharing, the state of transmission desktop data is in for characterizing external equipment；
Setup module sets the biography screen state of the external equipment if the biography screen state for the external equipment is not in sharing
It is set in sharing；
Receiving module, it is the desktop data that the external equipment in sharing is sent to pass screen state for the reception.
13. a kind of electronic equipment, which is characterized in that including：
Processor；
Memory for storing processor-executable instruction；
Wherein, the processor is configured as executing the screen transmission method described in any one of described claim 1-11.
14. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor
The screen transmission method as described in any one of claim 1-11 is realized when execution.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810283045.2A CN108664229B (en) | 2018-04-02 | 2018-04-02 | Screen transmission method and device, electronic equipment and computer readable storage medium |
| PCT/CN2018/114052 WO2019192178A1 (en) | 2018-04-02 | 2018-11-06 | Screen transmission method and apparatus, electronic device, and computer-readable storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810283045.2A CN108664229B (en) | 2018-04-02 | 2018-04-02 | Screen transmission method and device, electronic equipment and computer readable storage medium |
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| CN108664229B CN108664229B (en) | 2020-10-02 |
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| WO (1) | WO2019192178A1 (en) |
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| WO2019192178A1 (en) * | 2018-04-02 | 2019-10-10 | 广州视源电子科技股份有限公司 | Screen transmission method and apparatus, electronic device, and computer-readable storage medium |
| CN110505516A (en) * | 2019-05-15 | 2019-11-26 | 中海油信息科技有限公司 | A kind of throwing screen control method, device and system |
| WO2021027205A1 (en) * | 2019-08-09 | 2021-02-18 | 广州视源电子科技股份有限公司 | Screen sharing processing method, apparatus and device, and storage medium |
| US12050836B2 (en) | 2019-08-09 | 2024-07-30 | Guangzhou Shiyuan Electronic Technology Company Limited | Screen transmission processing method, apparatus, and device |
| WO2021175214A1 (en) * | 2020-03-05 | 2021-09-10 | 荣耀终端有限公司 | Projection screen connection control method and electronic device |
| WO2022218153A1 (en) * | 2021-04-16 | 2022-10-20 | 广州视源电子科技股份有限公司 | Screen projection control method, storage medium, and communication device |
| CN114007035A (en) * | 2021-09-24 | 2022-02-01 | 深圳壹秘科技有限公司 | Conference data sharing system and method |
| CN114007035B (en) * | 2021-09-24 | 2023-12-26 | 深圳壹秘科技有限公司 | Conference data sharing system and method |
| CN114501120A (en) * | 2022-01-11 | 2022-05-13 | 烽火通信科技股份有限公司 | Multi-terminal wireless screen projection switching method and electronic equipment |
| CN114501120B (en) * | 2022-01-11 | 2023-06-09 | 烽火通信科技股份有限公司 | Multi-terminal wireless screen switching method and electronic equipment |
| WO2024120072A1 (en) * | 2022-12-06 | 2024-06-13 | 广州视臻信息科技有限公司 | Device sharing method, electronic device, and computer-readable storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019192178A1 (en) | 2019-10-10 |
| CN108664229B (en) | 2020-10-02 |
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