CN106254936A - The control method of a kind of public display and system - Google Patents
The control method of a kind of public display and system Download PDFInfo
- Publication number
- CN106254936A CN106254936A CN201610839611.4A CN201610839611A CN106254936A CN 106254936 A CN106254936 A CN 106254936A CN 201610839611 A CN201610839611 A CN 201610839611A CN 106254936 A CN106254936 A CN 106254936A
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- public display
- mobile device
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000000694 effects Effects 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims description 14
- 241000272201 Columbiformes Species 0.000 claims description 13
- 238000009432 framing Methods 0.000 claims description 8
- 230000006870 function Effects 0.000 claims description 8
- 238000013144 data compression Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000002688 persistence Effects 0.000 abstract description 3
- 230000002452 interceptive effect Effects 0.000 description 2
- 230000006399 behavior Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/43615—Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43637—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention relates to the control method of a kind of public display, it comprises the steps: step one: mobile device and public display open WLAN function, are connected in LAN；Step 2: mobile device opens function of search, the public display can matched near scanning；Step 3: mobile device and the public display being connected in same LAN are attached pairing；Step 4: the on-screen data of reading mobile device changes into data stream and carries out Wireless transceiver；Step 5: public display shows on-screen data and the synchronously playing audio frequency data of mobile device in real time, reaches, with shielding control, immediately to intercut, the effect of real-time image switching.The method and system of the present invention not only workflow is stable and persistence is strong, and it is simple to operate；Change traditional SmartCMS and have the inflexible and loaded down with trivial details of line traffic control, the most convenient for users, substantially increase using effect and the experience of public display.
Description
Technical field
The present invention relates to control method and the system of a kind of public display.
Background technology
In recent years, along with variation and the fast development of multi-screen interactive technology of mobile device, Apple's exploitation
Airplay technology, the DLNA technology of company's releases such as Sony, Intel, Microsoft, Wi-Fi alliance formulated in 2012
Miracast technology all supports the multi-screen interactive of the display devices such as mobile device and intelligent television, has liberated mobile device greatly
Display capabilities, also provide a direction for the control of public display.
The broadcast mode of public display resource is mainly with loading the computer of SmartCMS Server end as service
Device, the broadcasting being arranged resource by this platform of SmartCMS is grouped, and playing duration, playing sequence, such workflow is steady
Determine and persistence is strong, but its operation is the most loaded down with trivial details and the most inflexible and is limited to the fixing of cable network position, it is impossible to spirit
Update content alive, greatly reduces the effect of Consumer's Experience.
Summary of the invention
It is an object of the invention to provide control method and the system of a kind of public display.
The present invention realizes by the following technical solutions: the control method of a kind of public display, it is characterised in that include as
Lower step: step one: mobile device and public display open WLAN function, are connected in LAN；Step 2: move and set
Standby function of search of opening, the public display can matched near scanning；Step 3: mobile device be connected in same LAN
Public display be attached pairing；Step 4: the on-screen data of reading mobile device changes into data stream and carries out wireless biography
Send；Step 5: public display shows on-screen data and the synchronously playing audio frequency data of mobile device in real time, reaches with shielding control
System, intercuts, the effect of real-time image switching immediately.
Further, described mobile device and public display by flying pigeon host-host protocol and wireless network be attached with
Transmission, specifically includes following steps: S1: described mobile device and public display are connected in same LAN, described public
Display is reached the standard grade by flying pigeon host-host protocol notice mobile device and is rolled off the production line, if reaching the standard grade, mobile device is swept by flying pigeon host-host protocol
Retouch and obtain the IP address of public display；S2: described mobile device sends connection request, public display is made permission and is connected
Reaction；S3: described mobile device obtains on-screen data from frame memory buffer framebuffer, changes into number after being compressed
Wireless network transmissions is passed through according to stream；S4: described public display is decoded after receiving on-screen data, is shown to screen in real time
On, can immediately intercut, real-time image switching.
Further, described public display uses the mode of broadcast oneself IP address and on-line message with message shape
Formula is broadcasted, and then occurs in the list of mobile device.
Further, we obtain the authority of described mobile device/dev/graphics/fb0, directly read screen number
According to, and then it is compressed encoded translated for data stream transmitting.
Further, the data stream framing figure received is shown by described public display in real time, reaches instant and inserts
Broadcast, the effect of real-time image switching.
Further, described public display and mobile device are connected in same LAN, with wireless with shielding control
Replace traditional SmartCMS to have line traffic control, immediately intercut, real-time image switching.
The present invention also provides for the control system of a kind of public display, it is characterised in that including: link block, described company
Connection module is connected to the public display in same LAN and mobile device for search, carries out pairing and connects；Coding module,
The on-screen data read is encoded by described coding module；Block data is decoded framing by described decoder module in order
Figure shows；Transport module, the public display being connected in same LAN and mobile device are passed through to fly by described transport module
Ge Chuan Calligraphers' Association view uses wireless network block transmission data；And decoder module, on-screen data is decoded into by described decoder module
Frame figure shows, reaches immediately to intercut, the effect of real-time image switching.
Further, described link block passes Calligraphers' Association by flying pigeon and discusses the public display in same LAN and shifting
Dynamic equipment, carries out pairing and connects.
Further, described coding module introduces third party library skia storehouse and carries out data compression.
Further, described transport module quotes UDP, Transmission Control Protocol and deblocking transmission.
Compared with prior art, the method and system of the present invention not only workflow is stable and persistence is strong, and its behaviour
Make simple；Change traditional SmartCMS and have the inflexible and loaded down with trivial details of line traffic control, the most convenient for users, substantially increase
The using effect of public display and experience.
Accompanying drawing explanation
Fig. 1 is the broad flow diagram of the control method of public display in one embodiment of the invention.
Fig. 2 is the structural representation of the control system of public display in one embodiment of the invention.
Detailed description of the invention
With specific embodiment, the present invention is further explained explanation below in conjunction with the accompanying drawings.
Fig. 1 is the flow chart of the public display method in an embodiment；As it is shown in figure 1, this public display method
Comprise the steps:
Step one: mobile device and public display open WLAN function, are connected in LAN；
Step 2: mobile device opens function of search, the public display can matched near scanning；
Step 3: mobile device and the public display being connected in same LAN are attached pairing；
Step 4: the on-screen data of reading mobile device changes into data stream and carries out Wireless transceiver；
Step 5: public display shows on-screen data and the synchronously playing audio frequency data of mobile device in real time, reaches with shielding control
System, intercuts, the effect of real-time image switching immediately.
Described mobile device and public display are attached by flying pigeon host-host protocol and wireless network and transmit, specifically
Comprise the following steps:
S1: described mobile device and public display are connected in same LAN, and described public display is transmitted by flying pigeon
Notice of settlement mobile device is reached the standard grade and is rolled off the production line, if reaching the standard grade, mobile device is scanned by flying pigeon host-host protocol and obtains public display
IP address；
S2: described mobile device sends connection request, public display makes permission coupled reaction；
S3: described mobile device obtains on-screen data from frame memory buffer framebuffer, changes into data after being compressed
Stream passes through wireless network transmissions；
S4: described public display is decoded after receiving on-screen data, is shown in real time on screen, can immediately insert
Broadcast, real-time image switching.
Further, described public display uses the mode of broadcast oneself IP address and on-line message with message shape
Formula is broadcasted, and then occurs in the list of mobile device.
Further, we obtain the authority of described mobile device/dev/graphics/fb0, directly read screen number
According to, and then it is compressed encoded translated for data stream transmitting.
Further, the data stream framing figure received is shown by described public display in real time, reaches instant and inserts
Broadcast, the effect of real-time image switching.
Further, described public display and mobile device are connected in same LAN, with wireless with shielding control
Replace traditional SmartCMS to have line traffic control, immediately intercut, real-time image switching.
Meanwhile, the present invention also provides for the control system of a kind of public display, including:
Link block, described link block is connected to the public display in same LAN and mobile device for search, enters
Row pairing connects；Coding module, the on-screen data read is encoded by described coding module；Described decoder module will divide
Blocks of data decodes framing figure in order and shows；Transport module, described transport module is public aobvious by be connected in same LAN
Show that device and mobile device pass Calligraphers' Association's view by flying pigeon and use wireless network block transmission data；And decoder module, described decoding
On-screen data is decoded framing figure and shows by module, reaches immediately to intercut, the effect of real-time image switching.
Further, described link block passes Calligraphers' Association by flying pigeon and discusses the public display in same LAN and shifting
Dynamic equipment, carries out pairing and connects.
Further, described coding module introduces third party library skia storehouse and carries out data compression.
Further, described transport module quotes UDP, Transmission Control Protocol and deblocking transmission.
Mobile device is carried out on-screen data audio frequency transmission and control, public display as source by technical scheme
Device receives on-screen data and instruction as controlled end.The method includes that mobile device and public display open WLAN function；
Mobile device opens function of search, the public display can matched near scanning；With the public affairs that are connected in same LAN occur
Display is attached pairing altogether；The on-screen data of reading mobile device changes into data stream and transmits；Public display is real
Time show on-screen data and the synchronously playing audio frequency data of mobile device, reach with the effect shielding control.The method utilizes mobile
Equipment controls public display by wireless network, and changing traditional SmartCMS has the inflexible and loaded down with trivial details, the most just of line traffic control
User use, substantially increase using effect and the experience of public display.
These are only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention is former
Any amendment, equivalent and the improvement etc. made within then, should be included within the scope of the present invention.
Claims (10)
1. the control method of a public display, it is characterised in that comprise the steps:
Step one: mobile device and public display open WLAN function, are connected in LAN；
Step 2: mobile device opens function of search, the public display can matched near scanning；
Step 3: mobile device and the public display being connected in same LAN are attached pairing；
Step 4: the on-screen data of reading mobile device changes into data stream and carries out Wireless transceiver；
Step 5: public display shows on-screen data and the synchronously playing audio frequency data of mobile device in real time, reaches with shielding control
System, intercuts, the effect of real-time image switching immediately.
The control method of public display the most according to claim 1, it is characterised in that: described mobile device and public aobvious
Show that device is attached by flying pigeon host-host protocol and wireless network and transmits, specifically include following steps:
S1: described mobile device and public display are connected in same LAN, and described public display is transmitted by flying pigeon
Notice of settlement mobile device is reached the standard grade and is rolled off the production line, if reaching the standard grade, mobile device is scanned by flying pigeon host-host protocol and obtains public display
IP address；
S2: described mobile device sends connection request, public display makes permission coupled reaction；
S3: described mobile device obtains on-screen data from frame memory buffer framebuffer, changes into data after being compressed
Stream passes through wireless network transmissions；
S4: described public display is decoded after receiving on-screen data, is shown in real time on screen, can immediately insert
Broadcast, real-time image switching.
The control method of public display the most according to claim 1, it is characterised in that: described public display is used wide
The mode broadcast is broadcasted oneself IP address and on-line message in the form of a message, and then the list to mobile device occurs
In.
The control method of public display the most according to claim 2, it is characterised in that: we obtain described movement and set
The authority of standby/dev/graphics/fb0, directly reads on-screen data, and then is compressed encoded translated for data stream transmitting.
The control method of public display screen the most according to claim 2, it is characterised in that: described public display will receive
To data stream framing figure show in real time, reach immediately to intercut, the effect of real-time image switching.
6. according to the control method of the arbitrary described public display of right 1 to 5, it is characterised in that: described public display
It is connected in same LAN with mobile device, controls to replace traditional SmartCMS to have line traffic control with screen with wireless, immediately insert
Broadcast, real-time image switching.
7. the control system of a public display, it is characterised in that including:
Link block, described link block is connected to the public display in same LAN and mobile device for search, enters
Row pairing connects；
Coding module, the on-screen data read is encoded by described coding module；Described decoder module is by block data
Decoding framing figure shows in order；
Transport module, the public display being connected in same LAN and mobile device are passed by described transport module by flying pigeon
Calligraphers' Association's view uses wireless network block transmission data；
And decoder module, on-screen data is decoded framing figure and shows, reaches immediately to intercut, switch picture in real time by described decoder module
The effect in face.
The control system of public display the most according to claim 7, it is characterised in that: described link block is by flying
Ge Chuan Calligraphers' Association discusses the public display in same LAN and mobile device, carries out pairing and connects.
The control system of public display the most according to claim 7, it is characterised in that: described coding module introduces the
Three-party library skia storehouse carries out data compression.
The control system of public display the most according to claim 7, it is characterised in that: described transport module is quoted
UDP, Transmission Control Protocol and deblocking transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610839611.4A CN106254936A (en) | 2016-09-22 | 2016-09-22 | The control method of a kind of public display and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610839611.4A CN106254936A (en) | 2016-09-22 | 2016-09-22 | The control method of a kind of public display and system |
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| Publication Number | Publication Date |
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| CN106254936A true CN106254936A (en) | 2016-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610839611.4A Pending CN106254936A (en) | 2016-09-22 | 2016-09-22 | The control method of a kind of public display and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107222845A (en) * | 2017-05-31 | 2017-09-29 | 西安诺瓦电子科技有限公司 | The broadcast control method and Broadcast Control device of display screen control card |
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Address after: 350301, Fujian, Fuzhou, Fuqing Province, 36 West Ring Road, National Chiao Tung economic and Technological Development Zone, Fuzhou University, Fuqing Institute Applicant after: Fuzhou University Address before: 350300 Fuqing Research Institute, Fuzhou University, Fujian, Fuzhou Applicant before: Fuzhou University |
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Application publication date: 20161221 |