CN109753259A - A kind of throwing screen system and control method - Google Patents
A kind of throwing screen system and control method Download PDFInfo
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- CN109753259A CN109753259A CN201811607233.2A CN201811607233A CN109753259A CN 109753259 A CN109753259 A CN 109753259A CN 201811607233 A CN201811607233 A CN 201811607233A CN 109753259 A CN109753259 A CN 109753259A
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Abstract
The present invention relates to a kind of throwing screen system and control methods, and the system comprises core end and display equipment；The touch-control end is equipped with the first plug and play interface, and the touch-control end is used to obtain the throwing screen information of external equipment by the first plug and play interface, and the throwing screen information that will acquire is sent to core end, described to throw the displaying information on screen that screen information includes external equipment；The core end is connected to display equipment, and the core end is used to receive the throwing screen information of touch-control end output, and received throwing screen information is sent to display equipment and is shown；The display equipment throws screen information for showing.Each personnel participating in the meeting is equipped with corresponding touch-control end, and when personnel participating in the meeting switches over throwing screen operation, it is easy to operate without switching over throwing screen operation by plugging VGA/HDMI wire rod as long as personnel participating in the meeting carries out throwing screen operation by corresponding touch-control end.
Description
Technical field
The present invention relates to screen conferencing technology field, in particular to a kind of throwing screen system and control method.
Background technique
Video conference is the system for using video stream in a meeting using digital video compaction technique, and this kind of system is again
Referred to as audiovisual conference.In a meeting, participant can not only hear other people voice, it is further seen that other people hand
Gesture and facial expression.And needed in screen meeting, in personnel participating in the meeting by by personal device by being connected in conference terminal,
Realize the throwing screen operation of personal device, and different personnels participating in the meeting throw when shielding operation, needs to carry out different participants
Switching between the personal device of member, and in existing video conferencing system and equipment, personnel participating in the meeting needs to pass through plug
VGA/HDMI wire rod switches over throwing screen operation, this is inconvenient for operation obviously for personnel participating in the meeting.
Summary of the invention
For this reason, it may be necessary to provide a kind of throwing screen system and control method, solves the existing plug VGA/HDMI wire rod that passes through and carry out
Switching throws screen and operates the problem inconvenient for operation to personnel participating in the meeting.
To achieve the above object, a kind of throwing screen system, including core end and display equipment are inventor provided；
The touch-control end is equipped with the first plug and play interface, and the touch-control end is used to obtain by the first plug and play interface
The throwing screen information of external equipment, and the throwing screen information that will acquire is sent to core end, the throwing screen information includes external equipment
Displaying information on screen；
The core end is connected to display equipment, and the core end is used to receive the throwing screen information of touch-control end output, and will
Received throwing screen information is sent to display equipment and shows；
The display equipment throws screen information for showing.
It advanced optimizes, the core end is also used to receive the throwing screen information that external equipment is exported by wirelessly throwing screen.
It advanced optimizes, the wireless throwing screen is Airplay or Miracast.
It advanced optimizes, the throwing screen letter that the core end is also used to decode multipath reception touch-control end or external equipment is sent
Breath, then composite coding throws screen information flow to display equipment output.
It advanced optimizes, the core end is also used to be arranged touch-control end administration authority, controls touch-control end according to administration authority
It sends and throws screen information.
It advanced optimizes, the core end is equipped with the second plug and play interface, and the core end is also used to by second i.e.
Plug-and-play interface connects input equipment, obtains the operational order of input equipment, and respond the operational order of acquisition.
It advanced optimizes, the core end is equipped with the second plug and play interface, and the core end is also used to by second i.e.
Plug-and-play interface connection storage equipment, obtains audio-frequency information, video information or the pictorial information in storage equipment, and will acquire
Audio-frequency information, video information or pictorial information are shown on the display device.
It advanced optimizing, the touch-control end further includes electronic whiteboard module, and the electronic whiteboard module is used to generate painting canvas,
And core end will be sent to the painting canvas for scribbling information.
It advanced optimizes, the core end is also used to generate painting canvas picture, and the painting canvas picture of generation is sent to touch-control end；
The touch-control end is also used to receive painting canvas picture and shows, obtains and scribbles information on painting canvas picture, and will acquire
Information of scribbling be sent to core end.
Inventor additionally provides another technical solution: a kind of throwing screen control method, comprising the following steps:
It is to insert that core end, which receives external equipment by the way that wirelessly the throwing screen information of throwing screen output or touch-control end are sent by first,
The throwing screen information of external equipment is obtained with interface, it is described to throw the displaying information on screen that screen information is external equipment；
Received throwing screen information is sent to display equipment by core end；
After display equipment receives throwing screen information, screen information is thrown in display.
It advanced optimizes, the wireless throwing screen is Airplay or Miracast.
It advanced optimizes, " received throwing screen information is sent to display equipment by core end " specifically includes step:
The throwing screen information that core end decodes multipath reception touch-control end or external equipment is sent, then composite coding is set to display
Screen information flow is thrown in standby output.
It advanced optimizes, further comprising the steps of:
Core end obtains audio-frequency information, video information or picture letter in storage equipment by the second plug and play interface
Breath；
The core end and audio-frequency information that will acquire, video information or pictorial information are shown on the display device.
It advanced optimizes, further comprising the steps of:
Touch-control end generates painting canvas, obtains and scribbles information on painting canvas, and will scribble information and be sent to core end；
Core end shows the information of scribbling received on the display device.
It advanced optimizes, further comprising the steps of:
Core end generates painting canvas picture, and painting canvas picture is sent to touch-control end；
Touch-control end receives painting canvas picture and shows, obtains and scribbles information on painting canvas picture, and will scribble information and be sent to
Core end；
Core end shows the information of scribbling received on the display device.
It is different from the prior art, above-mentioned technical proposal, when personnel participating in the meeting participates in video conference, each personnel participating in the meeting matches
There is corresponding touch-control end, personnel participating in the meeting is by being connected to touch-control by first plug and play interface at touch-control end for external device
End, when carrying out throwing screen operation, touch-control end obtains the displaying information on screen of external device by the first plug and play interface,
Throw screen information, the throwing screen information that touch-control end will acquire is exported to core end, core end will throw screen information on the display device into
Row throws screen, and when personnel participating in the meeting switches over throwing screen operation, as long as personnel participating in the meeting carries out throwing screen behaviour by corresponding touch-control end
Make, it is easy to operate without switching over throwing screen operation by plugging VGA/HDMI wire rod.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram that screen system is thrown described in specific embodiment；
Fig. 2 is a kind of flow diagram that screen control method is thrown described in specific embodiment.
Description of symbols:
110, core end,
120, touch-control end,
130, equipment is shown,
140, external equipment.
Specific embodiment
Technology contents, construction feature, the objects and the effects for detailed description technical solution, below in conjunction with specific reality
It applies example and attached drawing is cooperated to be explained in detail.
Noun occurred in embodiment is explained at this:
Airplay: being a kind of play-back technology of Apple Inc. being added in iOS4.2 and OS X Mountain Lion,
Video mirror image on iPhone, iPod touch, iPad and Mac (needing OS X Mountain Lion) can be transmitted to branch
It holds in the equipment (such as: speaker, Apple TV) of Airplay and plays.
Miracast: being to be formulated by Wi-Fi Alliance in 2012, the Wireless Display mark based on Wi-Fidirect
It is quasi-.Support that the equipment of this standard can wirelessly sharing video frequency picture.
Plug and play: (Plug-and-Play, PNP) matches physical equipment and software (device driver), and grasps
Make equipment, establishes communication channel between each equipment and its driver.
Referring to Fig. 1, one kind described in the present embodiment is novel to throw screen video conferencing system, including core end 110 and display
Equipment 130；
The touch-control end 120 is equipped with the first plug and play interface, and the touch-control end 120 by the first plug and play for being connect
Mouth obtains the throwing screen information of external equipment 140, and the throwing screen information that will acquire is sent to core end 110, and packet is shielded in the throwing
Include the displaying information on screen of external equipment 140；Wherein external equipment is shielded by the first plug and play interface in touch-control end 120
Curtain is recorded and encodes the displaying information on screen for obtaining external equipment 140；Wherein, communication link is established at touch-control end 120 and core end 110
It connects, communication connection can be wired connection, be also possible to be wirelessly connected.External equipment 140 includes but are not limited to mobile phone, plate
Computer, desktop computer, laptop etc..First plug and play interface include but are not limited to USB interface, USB interface,
HDMI interface, DP interface, Type-C interface, thunder and lightning interface (Thunderbolt), COM2 interface etc..
The core end 110 is connected to display equipment 130, and the core end 110 is used to receive the throwing of the output of touch-control end 120
Shield information, and received throwing screen information is sent to display equipment 130 and is shown；
The display equipment 130 throws screen information for showing.Wherein, display equipment 130 include but are not limited to projector,
Liquid crystal display.
One touch-control end 120 is equipped with to each personnel participating in the meeting, wherein touch-control end 120 and 110 default connection of core end, ginseng
External equipment 140 is connected to touch-control end 120, touch-control end 120 by the first plug and play interface on touch-control end 120 by meeting personnel
By the first plug and play interface, screen recording is carried out to external equipment 140 and encodes acquisition throwing screen information, wherein also obtaining outer
Connect the input action in equipment 140, as on computer mouse and keyboard input operation, smart phone screen on gesture and
The throwing screen information of external equipment 140 can be thrown screen and arrive core end 110 by the input etc. of keyboard, touch-control end 120, wherein Ke Yitong
It crosses the setting one on touch-control end 120 and throws screen key, selection touch-control end 120 may be implemented by external equipment 140 by throwing screen key
Throwing screen information throw screen arrive core end 110.When personnel participating in the meeting switches over throwing screen operation, without by plugging VGA/HDMI line
Material switches over throwing screen operation, easy to operate, improves meeting efficiency.
In the present embodiment, external equipment 140 may be implemented core end 110 is carried out to throw screen operation, the core end 110
It is also used to receive the throwing screen information that external equipment 140 is exported by wirelessly throwing screen.External equipment 140 can be by wirelessly throwing screen skill
Art exports the throwing screen information of its screen thrown to core end 110, and core end 110 receives external equipment 140 and passes through wirelessly
After the throwing screen information for throwing screen transmission, received throwing screen information is shown in display equipment 130.And existing Airplay or
Miracast, which can be realized, is transmitted to core end 110 for the video mirror image of external equipment 140, then in display equipment 130
It plays out, realizes that external equipment 140 directly carries out core end 110 to throw screen operation, and without passing through plug VGA/HDMI
Wire rod switches over throwing screen operation, easy to operate.
In the present embodiment, more people may be implemented while throwing screen, the core end 110 is also used to decode multipath reception touch-control
The throwing screen information that end 120 or external equipment 1040 are sent, then composite coding throws screen information flow to the display output of equipment 130.When
110 multipath reception of core end to throw shield information when, i.e., core end 110 receive throwing screen information that multiple touch-control ends 120 export or
When core end 110 receives throwing screen information of multiple external equipments 140 by wirelessly throwing screen output, core end 110 connects multichannel
The multiple throwing screen information received are decoded, then by composite coding formed throw screen information flow, output to display equipment 130 into
Row display, such as four split screen display availables, may be implemented more people while throwing screen.
In this embodiment, in order to can control it is current who throw screen, the core end 110 is also used to be arranged touch-control end 120
Administration authority controls touch-control end 120 and sends to throw and shields information according to administration authority.Touch-control end 120 can be set by core end 110
Administration authority, it is possible to specify or the administration authority at open each touch-control end 120 realizes what the various throwing screens of output display were shown
Image mode is such as specified or is opened by core end 110 administration authority at single touch-control end 120, makes open touch-control end 120 can
Throw screen operation, realize that single screen picture of throwing shows that core end 110 also can specify or open multiple touch-control ends 120
Administration authority realizes multiple touch-control ends 120 while operating operation, realizes that more people's throwing screen pictures are shown in display equipment 130.
In the present embodiment, core end 110 can also be directly controlled by input equipment, and the core end 110 is set
There is the second plug and play interface, the core end is also used to connect input equipment by the second plug and play interface, obtains input
The operational order of equipment, and respond the operational order of acquisition.Core end 110 is set by the access input of the second plug and play interface
It is standby, such as keyboard, mouse, the operational order of input equipment is obtained, the operational order of acquisition is responded, realizes input equipment
Directly control.Wherein the second plug and play interface includes but are not limited to USB interface.
In the present embodiment, core end 110 can also directly acquire storage equipment in broadcast information, as audio-frequency information,
Video information and pictorial information etc., the core end 110 are also used to connect storage equipment by the second plug and play interface, obtain
Store audio-frequency information, video information or the pictorial information in equipment, and audio-frequency information, video information or the pictorial information that will acquire
It is sent in display equipment 130 and shows.Wherein, storage equipment includes but are not limited to USB flash disk, mechanical hard disk and solid state hard disk etc..
Core end 110 can be connected to storage equipment by the second plug and play interface, obtain broadcast information, such as audio in storage equipment
Information, video information or pictorial information etc., when core end 110 gets the broadcast information in storage equipment, in display equipment
The broadcast information got is played on 130, realizes the function of directly playing local audio, video and picture.
In the present embodiment, touch-control end 120 can also realize electronic whiteboard function, and personnel participating in the meeting is facilitated to demonstrate.Electricity
Sub- white boarding can realize by two ways, a kind of mode are as follows: the touch-control end 120 further includes electronic whiteboard module, institute
Electronic whiteboard module is stated for generating painting canvas, and core end 110 will be sent to the painting canvas for scribbling information.Pass through touch-control end
120 one painting canvas of electronic whiteboard Module Generation, personnel participating in the meeting can carry out scribbling demonstration on painting canvas, will scribble for use
The painting canvas of information is sent to core end 110, scribbles information and such as scribbles track and textual event, core end 110 receives painting canvas
When, painting canvas is shown in display equipment 130, personnel participating in the meeting is facilitated to demonstrate.Another way are as follows: the core end 110
It is also used to generate painting canvas picture, the painting canvas picture of generation is sent to touch-control end 120；The touch-control end 120 is also used to receive picture
Cloth picture is simultaneously shown, is obtained and is scribbled information on painting canvas picture, and the information of scribbling that will acquire is sent to core end 110.Pass through
Core end 110 generates a painting canvas picture, painting canvas picture transmission to touch-control end 120 is shown, personnel participating in the meeting can be at touch-control end
The painting canvas picture shown on 120 is scribbled, and touch-control end 120 obtains personnel participating in the meeting and scribbles information on painting canvas picture, is such as applied
Track and textual event etc. are drawn, the information of scribbling that will acquire is transmitted to core end 110, and letter is scribbled for what is received in core end 110
Breath is converted to the information of scribbling on the painting canvas picture of the generation of core end 110, and will show again with the painting canvas picture for scribbling information
It is shown in equipment 130, personnel participating in the meeting is facilitated to demonstrate.
In another embodiment, control method is shielded in a kind of throwing, comprising the following steps:
Step S210: core end, which receives external equipment and sent by the throwing screen information or touch-control end of wirelessly throwing screen output, to be passed through
First plug and play interface obtains the throwing screen information of external equipment, described to throw the displaying information on screen that screen information is external equipment；
Step S220: received throwing screen information is sent to display equipment by core end；
Step S230: after display equipment receives throwing screen information, screen information is thrown in display.
One touch-control end is equipped with to each personnel participating in the meeting, wherein touch-control end and core end default connection, personnel participating in the meeting will
External equipment is connected to touch-control end by the first plug and play interface on touch-control end, and touch-control end is connect by the first plug and play
Mouthful, screen recording coding is carried out to external equipment and obtains throwing screen information, wherein also obtaining the input action on external equipment, such as electricity
The input operation of mouse and keyboard on brain, the gesture on the screen of smart phone and input of keyboard etc., touch-control end can incite somebody to action
The throwing screen information of external equipment throws screen and arrives core end, wherein can throw screen key by the way that one is arranged on touch-control end, be shielded by throwing
Key may be implemented selection touch-control end and the throwing screen information of external equipment thrown screen to core end.Personnel participating in the meeting carries out to screen operation is thrown
It is easy to operate without switching over throwing screen operation by plugging VGA/HDMI wire rod when switching, improve meeting efficiency.It is external to set
Standby to be exported the throwing screen information of its screen thrown to core end by wirelessly throwing screen technology, core termination receives external
After throwing screen information of the equipment by wirelessly throwing screen transmission, received throwing screen information is shown on the display device.And it is existing
Airplay or Miracast, which can be realized, is transmitted to core end for the video mirror image of external equipment, then on the display device
Play out, realize external equipment directly to core end carry out throw screen operation, and without by plug VGA/HDMI wire rod into
Screen operation is thrown in row switching, easy to operate.
In the present embodiment, more people may be implemented while throwing screen, described " received throwing screen information is sent to aobvious by core end
Show equipment " specifically include step: then the throwing screen information that core end decodes multipath reception touch-control end or external equipment is sent synthesizes
It encodes to display equipment output and throws screen information flow.When core end multipath reception is to when throwing screen information, i.e., core termination receives multiple
When the throwing screen information or core termination of touch-control end output receive throwing screen information of multiple external equipments by wirelessly throwing screen output, core
Heart end to multipath reception to multiple throwing screen information be decoded, then by composite coding formed throw screen information flow, output extremely
Display equipment is shown that such as four split screen display availables may be implemented more people while throw screen.
In the present embodiment, core end can also directly acquire the broadcast information in storage equipment, such as audio-frequency information, video
Information and pictorial information etc., further comprising the steps of:
Core end obtains audio-frequency information, video information or picture letter in storage equipment by the second plug and play interface
Breath；
Audio-frequency information, video information and the pictorial information that core end will acquire are shown on the display device.
Wherein, storage equipment includes but are not limited to USB flash disk, mechanical hard disk and solid state hard disk etc..Core end can pass through
Two plug and play interfaces are connected to storage equipment, broadcast information in storage equipment are obtained, such as audio-frequency information, video information or picture
Information etc. plays the broadcast information got when core end gets the broadcast information in storage equipment on the display device,
Realize the function of directly playing local audio, video and picture.
In the present embodiment, touch-control end can also realize electronic whiteboard function, and personnel participating in the meeting is facilitated to demonstrate.Electronics is white
Plate function can realize by two ways, a kind of mode are as follows: touch-control end generates painting canvas, obtains the information of scribbling on painting canvas, and
Information will be scribbled and be sent to core end；Core end shows the information of scribbling received on the display device.Pass through touch-control end
One painting canvas of electronic whiteboard Module Generation, personnel participating in the meeting can carry out scribbling demonstration on painting canvas, will scribble information for use
Painting canvas be sent to core end, scribble information and such as scribble track and textual event, when core termination receives painting canvas, painting canvas is existed
It is shown in display equipment, personnel participating in the meeting is facilitated to demonstrate.Another way: core end generates painting canvas picture, and painting canvas is drawn
Face is sent to touch-control end；Touch-control end receives painting canvas picture and shows, obtains and scribbles information on painting canvas picture, and will scribble information
It is sent to core end；Core end shows the information of scribbling received on the display device.A painting canvas is generated by core end
Painting canvas picture transmission to touch-control end is shown that the painting canvas picture that personnel participating in the meeting can show on touch-control end is scribbled by picture,
Touch-control end obtains personnel participating in the meeting and scribbles information on painting canvas picture, such as scribbles track and textual event, and what be will acquire scribbles
Information is transmitted to core end, and the information of scribbling received is converted on the painting canvas picture of core end generation and scribbles letter by core end
Breath, and shown being shown again with the painting canvas picture for scribbling information in equipment, facilitate personnel participating in the meeting to demonstrate.
It should be noted that being not intended to limit although the various embodiments described above have been described herein
Scope of patent protection of the invention.Therefore, it based on innovative idea of the invention, change that embodiment described herein is carried out and is repaired
Change, or using equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, it directly or indirectly will be with
Upper technical solution is used in other related technical areas, is included within scope of patent protection of the invention.
Claims (15)
1. a kind of throwing screen system, which is characterized in that including touch-control end, core end and display equipment；
The touch-control end is equipped with the first plug and play interface, and the touch-control end is used to obtain by the first plug and play interface external
The throwing screen information of equipment, and the throwing screen information that will acquire is sent to core end, it is described to throw the screen that screen information includes external equipment
Show information；
The core end is connected to display equipment, and the core end is used to receive the throwing screen information of touch-control end output, and will receive
Throwing screen information be sent to display equipment show；
The display equipment throws screen information for showing.
2. throwing screen system according to claim 1, which is characterized in that the core end is also used to receive external equipment and passes through nothing
Line throws the throwing screen information of screen output.
3. throwing screen system according to claim 2, which is characterized in that the wireless throwing screen is Airplay or Miracast.
4. throwing screen system according to claim 1 or claim 2, which is characterized in that the core end is also used to decode multipath reception touching
The throwing screen information at end or external equipment transmission is controlled, then composite coding throws screen information flow to display equipment output.
5. throwing screen system according to claim 1, which is characterized in that the core end is also used to be arranged touch-control end administrative power
Limit controls touch-control end and sends to throw and shields information according to administration authority.
6. throwing screen system according to claim 1, which is characterized in that the core end is equipped with the second plug and play interface, institute
It states core end to be also used to connect input equipment by the second plug and play interface, obtains the operational order of input equipment, and respond
The operational order of acquisition.
7. throwing screen system according to claim 1, which is characterized in that the core end is equipped with the second plug and play interface, institute
It states core end to be also used to connect storage equipment by the second plug and play interface, obtains audio-frequency information, the video in storage equipment
Information or pictorial information, and audio-frequency information, video information or the pictorial information that will acquire are shown on the display device.
8. throwing screen system according to claim 1, which is characterized in that the touch-control end further includes electronic whiteboard module, described
Electronic whiteboard module will be sent to core end with the painting canvas for scribbling information for generating painting canvas.
9. throwing screen system according to claim 1, which is characterized in that the core end is also used to generate painting canvas picture, will give birth to
At painting canvas picture be sent to touch-control end；
The touch-control end is also used to receive painting canvas picture and shows, obtains the painting scribbling information, and will acquire on painting canvas picture
It draws information and is sent to core end.
10. control method is shielded in a kind of throwing, which comprises the following steps:
Core end, which receives external equipment and sent by the throwing screen information or touch-control end of wirelessly throwing screen output, passes through the first plug and play
Interface obtains the throwing screen information of external equipment, described to throw the displaying information on screen that screen information is external equipment；
Received throwing screen information is sent to display equipment by core end；
After display equipment receives throwing screen information, screen information is thrown in display.
11. throwing screen control method according to claim 10, which is characterized in that wireless the throwings screen for Airplay or
Miracast。
12. throwing screen control method according to claim 10, which is characterized in that described " core end information to be shielded in received throwing
It is sent to display equipment " specifically include step:
The throwing screen information that core end decodes multipath reception touch-control end or external equipment is sent, then composite coding is defeated to display equipment
Screen information flow is thrown out.
13. throwing screen control method according to claim 10, which is characterized in that further comprising the steps of:
Core end obtains audio-frequency information, video information or pictorial information in storage equipment by the second plug and play interface；
Audio-frequency information, video information or the pictorial information that core end will acquire are shown on the display device.
14. throwing screen control method according to claim 10, which is characterized in that further comprising the steps of:
Touch-control end generates painting canvas, obtains and scribbles information on painting canvas, and will scribble information and be sent to core end；
Core end shows the information of scribbling received on the display device.
15. throwing screen control method according to claim 10, which is characterized in that further comprising the steps of:
Core end generates painting canvas picture, and painting canvas picture is sent to touch-control end；
Touch-control end receives painting canvas picture and shows, obtains and scribbles information on painting canvas picture, and will scribble information and be sent to core
End；
Core end shows the information of scribbling received on the display device.
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| CN201811607233.2A CN109753259B (en) | 2018-12-27 | 2018-12-27 | Screen projection system and control method |
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| CN109753259B CN109753259B (en) | 2022-01-07 |
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| CN112558900A (en) * | 2019-09-26 | 2021-03-26 | 华为技术有限公司 | Screen projection method, content source device and content receiving device |
| CN112740168A (en) * | 2019-07-26 | 2021-04-30 | 西安诺瓦星云科技股份有限公司 | Wireless screen projection method and LED display |
| CN112911383A (en) * | 2021-01-19 | 2021-06-04 | 深圳乐播科技有限公司 | Multipath screen projection method, device and system under local area network |
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