CN108289340A - A kind of equipment of Wireless Fidelity projection, system and method - Google Patents
A kind of equipment of Wireless Fidelity projection, system and method Download PDFInfo
- Publication number
- CN108289340A CN108289340A CN201610872705.1A CN201610872705A CN108289340A CN 108289340 A CN108289340 A CN 108289340A CN 201610872705 A CN201610872705 A CN 201610872705A CN 108289340 A CN108289340 A CN 108289340A
- Authority
- CN
- China
- Prior art keywords
- projection
- data
- projection device
- equipment
- wifi
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
Abstract
The invention discloses a kind of equipment of Wireless Fidelity projection, system and methods, belong to communication technique field.Method flow includes：Search for the projection device in Wireless Fidelity wifi join domains；When searching two or more projection devices, wifi direct session connections are established with each projection device searched respectively；The video data in data for projection is obtained, and is transmitted to each projection device；The audio data in the data for projection is obtained, and sends it to the loud speaker that the data for projection shares equipment.One-to-many screen prjection can be achieved and share using the present invention, by WFD networks, the dependence to place can be reduced.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of equipment of Wireless Fidelity projection, system and methods.
Background technology
Quick with smart machine is popularized, and makes full use of the interaction between smart machine, realizes interpersonal friendship
Stream cooperation is a main trend for realizing exchange diversification.
Wireless Fidelity shows that (Wi-Fi Display, WFD) technology refers to utilizing the same of existing Wi-Fi network infrastructure
Shi Shixian shares the technology of audio and video content between devices.WFD will be used for by realizing and maintaining multimedia Wi-Fi to set
Secure connection between standby shares audio and video content to enhance with transmitting audio and video stream.Even if when straight each other
It connects between adjacent equipment in use, Wi-Fi technology removes and the relevant constraint in port in matching connector type and equipment
And other burdens of the connection based on cable.Wi-Fi display technologies are specifically used for large-scale consumer and business environment,
And the function that Wi-Fi is shown is included in large-scale equipment and display, including personal computer, DTV, machine
Top box, amusement and conference room projectors, laptop, tablet computer and mobile phone.
But in the prior art, WFD only supports one-to-one screen prjection data, and realization method is single, user experience compared with
Difference.
Invention content
In view of this, the purpose of the present invention is to provide a kind of equipment of Wireless Fidelity projection, system and method, to solve
WFD projects the single problem of realization method in the prior art.
Technical solution is as follows used by the present invention solves above-mentioned technical problem：
The first aspect of the embodiment of the present invention provides data for projection and shares equipment, and the equipment includes：
Search module, for searching for the projection device in Wireless Fidelity wifi join domains；
Wifi modules, for when searching two or more projection devices, respectively with each projection for searching
Equipment establishes wifi-direct connections；
Transmission module, for obtaining the video data in data for projection and being transmitted to each projection device；
Audio data processing module for obtaining the audio data in the data for projection, and sends it to the throwing
The loud speaker of shadow data sharing equipment.
Optionally, the equipment further includes：
Module is monitored, whether the earphone for sharing equipment for monitoring the data for projection accesses；
The transmission module is additionally operable to, when listening to the earphone access, the video data and audio data be passed
It is defeated by each projection device, or is additionally operable to, when not hearing the earphone access, obtain the video counts in data for projection
According to and be transmitted to each projection device；
The audio data processing module is additionally operable to, when not hearing the earphone access, obtain the data for projection
In audio data, and send it to the loud speaker that the data for projection shares equipment.
Optionally, the transmission module further includes：
Acquisition submodule, the IP address for obtaining each projection device；
Sending submodule sends video data and/or audio number to each projection device respectively according to the IP address
According to.
Optionally, the equipment further includes：
Projection device management module, for after establishing wifi-direct session connections with each projection device, managing
The IP address of the session connection and each projection device established between reason and each projection device.
Optionally, the equipment further includes：
Entitlement management module, for after establishing wifi-direct session connections with each projection device, managing institute
State the Reverse Turning Control mandate of each projection device.
The second aspect of the embodiment of the present invention provides a kind of Wireless Fidelity optical projection system, the system comprises：
Data for projection as described in relation to the first aspect shares equipment, for establishing wifi- at least one projection device
Direct session connections, and data for projection is transmitted to it, the data for projection includes video data and audio data；
At least one projection device shares the data for projection of equipment transmission for receiving and playing the data for projection.
In terms of the third of the embodiment of the present invention, a kind of Wireless Fidelity projecting method is provided, suitable for data for projection point
Equipment is enjoyed, the method includes：
Wireless Fidelity projecting method shares equipment suitable for data for projection, the method includes：
Search for the projection device in Wireless Fidelity wifi join domains；
When searching two or more projection devices, wifi- is established with each projection device searched respectively
Direct session connections；
The video data in data for projection is obtained, and is transmitted to each projection device；
The audio data in the data for projection is obtained, and sends it to the data for projection and shares raising one's voice for equipment
Device.
Optionally, the method further includes：
It monitors the data for projection and shares the earphone of equipment and whether access；
If so, the video data and audio data are transferred to each projection device；
Otherwise, the video data in the extraction data for projection is executed, and is transmitted to each projection device, and
The step of extracting and playing the audio data in the data for projection.
Optionally, the projection device in described search Wireless Fidelity wifi join domains, including：
The projection device for nearby supporting wifi Peer-To-Peer technologies is searched by wifi Peer-To-Peer technologies.
Optionally, the method further includes：
After establishing wifi-direct session connections with each projection device, the anti-of each projection device is managed
It is authorized to control.
Optionally, after establishing wifi-direct session connections with each projection device, the method further includes：
The IP address of the session connection and each projection device established between management and each projection device.
The equipment of Wireless Fidelity projection provided in an embodiment of the present invention, system and method, search two or more
Projection device when, respectively to each throwing when wifi-direct session connections are established with each projection device searched respectively
Shadow equipment transmit data for projection, it can be achieved that one-to-many screen prjection with share, by WFD networks, can reduce to place according to
Rely；It can be applied in the scene of the particular demands such as multimedia conferencing room or audio-visual function classroom, fast assembling WFD networks, realize
Resource-sharing.
Description of the drawings
Fig. 1 is the hardware architecture diagram of an optional terminal of various embodiments of the present invention；
Fig. 2 is the wireless communication system schematic diagram of mobile terminal as shown in Figure 1；
Fig. 3 is a kind of structural schematic diagram for Wireless Fidelity optical projection system that the embodiment of the present invention one provides；
Fig. 4 is the structural schematic diagram that data for projection shown in Fig. 3 shares equipment；
Fig. 5 is a kind of flow chart of Wireless Fidelity projecting method provided by Embodiment 2 of the present invention；
Fig. 6 is the flow of step S502 and step S503 in Wireless Fidelity projecting method provided by Embodiment 2 of the present invention
Figure.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
In order to keep technical problems, technical solutions and advantages to be solved clearer, clear, tie below
Drawings and examples are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
The mobile terminal of each embodiment of the present invention is realized in description with reference to the drawings.In subsequent description, use
For indicate element such as " module ", " component " or " module " suffix only for be conducive to the present invention explanation, itself
There is no specific meanings.Therefore, " module " can be used mixedly with " component ".
Mobile terminal can be implemented in a variety of manners.For example, terminal described in the present invention may include such as moving
Phone, smart phone, laptop, digit broadcasting receiver, personal digital assistant, tablet computer, portable multimedia broadcasting
Put the mobile terminal of device, navigation device etc. and the fixed terminal of such as number TV, desktop computer etc..Hereinafter it is assumed that
Terminal is mobile terminal.However, it will be understood by those skilled in the art that other than being used in particular for the element of mobile purpose,
Construction according to the embodiment of the present invention can also apply to the terminal of fixed type.
Fig. 1 to realize the present invention an optional mobile terminal of each embodiment hardware configuration signal.
Mobile terminal 100 may include wireless communication unit 110, A/V (audio/video) input unit 120, user's input
Unit 130, sensing unit 140, output unit 150, memory 160, interface unit 170, controller 180 and power supply unit 190
Etc..Fig. 1 shows the mobile terminal with various assemblies, it should be understood that being not required for implementing all groups shown
Part.More or fewer components can alternatively be implemented.The element of mobile terminal will be discussed in more detail below.
Wireless communication unit 110 generally includes one or more components, allows mobile terminal 100 and wireless communication system
Or the radio communication between network.For example, wireless communication unit may include broadcasting reception module 111, mobile communication module
112, at least one of wireless Internet module 113, short range communication module 114 and location information module 115.
Broadcasting reception module 111 receives broadcast singal and/or broadcast via broadcast channel from external broadcast management server
Relevant information.Broadcast channel may include satellite channel and/or terrestrial channel.Broadcast management server can be generated and sent
The broadcast singal and/or broadcast related information that the server or reception of broadcast singal and/or broadcast related information generate before
And send it to the server of terminal.Broadcast singal may include TV broadcast singals, radio signals, data broadcasting
Signal etc..Moreover, broadcast singal may further include the broadcast singal combined with TV or radio signals.Broadcast phase
Closing information can also provide via mobile communications network, and in this case, broadcast related information can be by mobile communication mould
Block 112 receives.Broadcast singal can exist in a variety of manners, for example, it can be with the electronics of digital multimedia broadcasting (DMB)
Program guide (EPG), digital video broadcast-handheld (DVB-H) electronic service guidebooks (ESG) etc. form and exist.Broadcast
Receiving module 111 can receive signal broadcast by using various types of broadcast systems.Particularly, broadcasting reception module 111
It can be wide by using such as multimedia broadcasting-ground (DMB-T), digital multimedia broadcasting-satellite (DMB-S), digital video
It broadcasts-holds (DVB-H), the Radio Data System of forward link media (MediaFLO@), received terrestrial digital broadcasting integrated service
(ISDB-T) etc. digit broadcasting system receives digital broadcasting.Broadcasting reception module 111, which may be constructed such that, to be adapted to provide for extensively
Broadcast the various broadcast systems of signal and above-mentioned digit broadcasting system.Via broadcasting reception module 111 receive broadcast singal and/
Or broadcast related information can be stored in memory 160 (or other types of storage medium).
Mobile communication module 112 sends radio signals to base station (for example, access point, node B etc.), exterior terminal
And at least one of server and/or receive from it radio signal.Such radio signal may include that voice is logical
Talk about signal, video calling signal or the various types of data for sending and/or receiving according to text and/or Multimedia Message.
Wireless Internet module 113 supports the Wi-Fi (Wireless Internet Access) of mobile terminal.The module can be internally or externally
It is couple to terminal.Wi-Fi (Wireless Internet Access) technology involved by the module may include WLAN (Wireless LAN) (Wi-Fi), Wibro
(WiMAX), Wimax (worldwide interoperability for microwave accesses), HSDPA (high-speed downlink packet access) etc..
Short range communication module 114 is the module for supporting short range communication.Some examples of short-range communication technology include indigo plant
Tooth TM, radio frequency identification (RFID), Infrared Data Association (IrDA), ultra wide band (UWB), purple honeybee TM etc..
Location information module 115 is the module of the location information for checking or obtaining mobile terminal.Location information module
Typical case be GPS (global positioning system).According to current technology, GPS module 115, which calculates, comes from three or more satellites
Range information and correct time information and the Information application triangulation for calculating, to according to longitude, latitude
Highly accurately calculate three-dimensional current location information.Currently, it is defended using three for the method for calculating position and temporal information
Star and the error that calculated position and temporal information are corrected by using an other satellite.In addition, GPS module 115
It can be by Continuous plus current location information in real time come calculating speed information.
A/V input units 120 are for receiving audio or video signal.A/V input units 120 may include 121 He of camera
Microphone 1220, camera 121 in video acquisition mode or image capture mode by image capture apparatus obtain static map
The image data of piece or video is handled.Treated, and picture frame may be displayed on display unit 151.At camera 121
Picture frame after reason can be stored in memory 160 (or other storage mediums) or be carried out via wireless communication unit 110
It sends, two or more cameras 1210 can be provided according to the construction of mobile terminal.Microphone 122 can be in telephone relation mould
Sound (audio data) is received via microphone in formula, logging mode, speech recognition mode etc. operational mode, and can be incited somebody to action
Such acoustic processing is audio data.Audio that treated (voice) data can be converted in the case of telephone calling model
For the format output of mobile communication base station can be sent to via mobile communication module 112.Microphone 122 can implement various types
Noise eliminate (or inhibit) algorithm with eliminate noise that (or inhibition) generates during sending and receiving audio signal or
Person interferes.
User input unit 130 can generate key input data to control each of mobile terminal according to order input by user
Kind operation.User input unit 130 allows user to input various types of information, and may include keyboard, metal dome, touch
Plate (for example, sensitive component of detection variation of resistance, pressure, capacitance etc. caused by being contacted), idler wheel, rocking bar etc.
Deng.Particularly, when touch tablet is superimposed upon in the form of layer on display unit 151, touch screen can be formed.
Sensing unit 140 detects the current state of mobile terminal 100, (for example, mobile terminal 100 opens or closes shape
State), the position of mobile terminal 100, user is for the presence or absence of contact (that is, touch input) of mobile terminal 100, mobile terminal
100 orientation, the acceleration or deceleration movement of mobile terminal 100 and direction etc., and generate for controlling mobile terminal 100
The order of operation or signal.For example, when mobile terminal 100 is embodied as sliding-type mobile phone, sensing unit 140 can sense
The sliding-type phone is to open or close.In addition, sensing unit 140 can detect power supply unit 190 whether provide electric power or
Whether person's interface unit 170 couples with external device (ED).Sensing unit 140, which may include proximity sensor 1410, to be combined below
Touch screen is described this.
Interface unit 170 be used as at least one external device (ED) connect with mobile terminal 100 can by interface.For example,
External device (ED) may include wired or wireless headphone port, external power supply (or battery charger) port, wired or nothing
Line data port, memory card port, the port for connecting the device with identification module, audio input/output (I/O) end
Mouth, video i/o port, ear port etc..Identification module can store to use each of mobile terminal 100 for verifying user
It plants information and may include subscriber identification module (UIM), client identification module (SIM), Universal Subscriber identification module (USIM)
Etc..In addition, the device with identification module can (hereinafter referred to as " identification device ") take the form of smart card therefore to know
Other device can be connect via port or other attachment devices with mobile terminal 100.Interface unit 170, which can be used for receiving, to be come from
The input (for example, data information, electric power etc.) of external device (ED) and the input received is transferred in mobile terminal 100
One or more elements can be used for the transmission data between mobile terminal and external device (ED).
In addition, when mobile terminal 100 is connect with external base, interface unit 170 may be used as allowing will be electric by it
Power provides to the path of mobile terminal 100 from pedestal or may be used as that the various command signals inputted from pedestal is allowed to pass through it
It is transferred to the path of mobile terminal.The various command signals or electric power inputted from pedestal, which may be used as mobile terminal for identification, is
The no signal being accurately fitted on pedestal.Output unit 150 is configured to provide with vision, audio and/or tactile manner defeated
Go out signal (for example, audio signal, vision signal, alarm signal, vibration signal etc.).Output unit 150 may include display
Unit 151, audio output module 152, alarm unit 153 etc..
Display unit 151 may be displayed on the information handled in mobile terminal 100.For example, when mobile terminal 100 is in electricity
When talking about call mode, display unit 151 can show and converse or other communicate (for example, text messaging, multimedia file
Download etc.) relevant user interface (UI) or graphic user interface (GUI).When mobile terminal 100 is in video calling pattern
Or when image capture mode, display unit 151 can show the image of capture and/or the image of reception, show video or figure
The UI or GUI etc. of picture and correlation function.
Meanwhile when display unit 151 and touch tablet in the form of layer it is superposed on one another to form touch screen when, display unit
151 may be used as input unit and output device.Display unit 151 may include liquid crystal display (LCD), thin film transistor (TFT)
In LCD (TFT-LCD), Organic Light Emitting Diode (OLED) display, flexible display, three-dimensional (3D) display etc. at least
It is a kind of.Some in these displays may be constructed such that transparence to allow user to be watched from outside, this is properly termed as transparent
Display, typical transparent display can be, for example, TOLED (transparent organic light emitting diode) display etc..According to specific
Desired embodiment, mobile terminal 100 may include two or more display units (or other display devices), for example, moving
Dynamic terminal may include outernal display unit (not shown) and inner display unit (not shown).Touch screen, which can be used for detecting, to be touched
Input pressure and touch input position and touch input area.
Audio output module 152 can mobile terminal be in call signal reception pattern, call mode, logging mode,
It is that wireless communication unit 110 is received or in memory 160 when under the isotypes such as speech recognition mode, broadcast reception mode
The audio data transducing audio signal of middle storage and to export be sound.Moreover, audio output module 152 can provide and movement
The relevant audio output of specific function (for example, call signal receives sound, message sink sound etc.) that terminal 100 executes.
Audio output module 152 may include loud speaker, buzzer etc..
Alarm unit 153 can provide output notifying event to mobile terminal 100.Typical event can be with
Including calling reception, message sink, key signals input, touch input etc..Other than audio or video exports, alarm unit
153 can provide output with the generation of notification event in different ways.For example, alarm unit 153 can be in the form of vibration
Output is provided, when receiving calling, message or some other entrance communications (incomingcommunication), alarm list
Member 153 can provide tactile output (that is, vibration) to notify to user.It is exported by tactile as offer, even if
When the mobile phone of user is in the pocket of user, user also can recognize that the generation of various events.Alarm unit 153
The output of the generation of notification event can be provided via display unit 151 or audio output module 152.
Memory 160 can store the software program etc. of the processing and control operation that are executed by controller 180, Huo Zheke
Temporarily to store the data that has exported or will export (for example, telephone directory, message, still image, video etc.).And
And memory 160 can be stored about when the vibration and audio signal for touching the various modes that the when of being applied to touch screen exports
Data.
Memory 160 may include the storage medium of at least one type, and the storage medium includes flash memory, hard disk, more
Media card, card-type memory (for example, SD or DX memories etc.), random access storage device (RAM), static random-access storage
Device (SRAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), programmable read only memory
(PROM), magnetic storage, disk, CD etc..Moreover, mobile terminal 100 can execute memory with by network connection
The network storage device of 160 store function cooperates.
The overall operation of the usually control mobile terminal of controller 180.For example, controller 180 executes and voice communication, data
Communication, video calling etc. relevant control and processing.In addition, controller 180 may include for reproducing (or playback) more matchmakers
The multi-media module 1810 of volume data, multi-media module 1810 can construct in controller 180, or can be structured as and control
Device 180 processed detaches.Controller 180 can be with execution pattern identifying processing, by the handwriting input executed on the touchscreen or figure
Piece draws input and is identified as character or image.
Power supply unit 190 receives external power or internal power under the control of controller 180 and provides operation each member
Electric power appropriate needed for part and component.
Various embodiments described herein can with use such as computer software, hardware or any combination thereof calculating
Machine readable medium is implemented.Hardware is implemented, embodiment described herein can be by using application-specific IC
(ASIC), digital signal processor (DSP), digital signal processing device (DSPD), programmable logic device (PLD), scene can
Programming gate array (FPGA), controller, microcontroller, microprocessor, is designed to execute function described herein processor
At least one of electronic unit is implemented, and in some cases, such embodiment can be implemented in controller 180.
For software implementation, the embodiment of such as process or function can with allow to execute the individual of at least one functions or operations
Software module is implemented.Software code can by the software application (or program) write with any programming language appropriate Lai
Implement, software code can be stored in memory 160 and be executed by controller 180.
So far, mobile terminal is described according to its function.In the following, for the sake of brevity, will description such as folded form,
Slide type mobile terminal in various types of mobile terminals of board-type, oscillating-type, slide type mobile terminal etc., which is used as, to be shown
Example.Therefore, the present invention can be applied to any kind of mobile terminal, and be not limited to slide type mobile terminal.
Mobile terminal 100 as shown in Figure 1 may be constructed such that using via frame or grouping transmission data it is all if any
Line and wireless communication system and satellite-based communication system operate.
The communication system that mobile terminal wherein according to the present invention can operate is described referring now to Fig. 2.
Such communication system can use different air interface and/or physical layer.For example, used by communication system
Air interface includes such as frequency division multiple access (FDMA), time division multiple acess (TDMA), CDMA (CDMA) and universal mobile communications system
System (UMTS) (particularly, long term evolution (LTE)), global system for mobile communications (GSM) etc..As non-limiting example, under
The description in face is related to cdma communication system, but such introduction is equally applicable to other types of system.
With reference to figure 2, cdma wireless communication system may include multiple mobile terminals 100, multiple base stations (BS) 270, base station
Controller (BSC) 275 and mobile switching centre (MSC) 280.MSC280 is configured to and Public Switched Telephony Network (PSTN)
290 form interface.MSC280 is also structured to form interface with the BSC275 that can be couple to base station 270 via back haul link.
Back haul link can be constructed according to any one of several known interfaces, the interface include such as E1/T1, ATM, IP,
PPP, frame relay, HDSL, ADSL or xDSL.It will be appreciated that system may include multiple BSC2750 as shown in Figure 2.
Each BS270 can service one or more subregions (or region), by multidirectional antenna or the day of direction specific direction
Each subregion of line covering is radially far from BS270.Alternatively, each subregion can be by two or more for diversity reception
Antenna covers.Each BS270, which may be constructed such that, supports multiple frequency distribution, and each frequency distribution has specific frequency spectrum
(for example, 1.25MHz, 5MHz etc.).
What subregion and frequency were distributed, which intersects, can be referred to as CDMA Channel.BS270 can also be referred to as base station transceiver
System (BTS) or other equivalent terms.In this case, term " base station " can be used for broadly indicating single
BSC275 and at least one BS270.Base station can also be referred to as " cellular station ".Alternatively, each subregion of specific BS270 can be claimed
For multiple cellular stations.
As shown in Figure 2, broadcast singal is sent to the mobile terminal operated in system by broadcsting transmitter (BT) 295
100.Broadcasting reception module 111 as shown in Figure 1 is arranged at mobile terminal 100 to receive the broadcast sent by BT295
Signal.In fig. 2 it is shown that several global positioning system (GPS) satellites 300.The help of satellite 300 positions multiple mobile terminals
At least one of 100.
In fig. 2, multiple satellites 300 are depicted, it is understood that, any number of satellite can be utilized to obtain useful
Location information.GPS module 115 as shown in Figure 1 is generally configured to coordinate with satellite 300 to be believed with obtaining desired positioning
Breath.It substitutes GPS tracking techniques or except GPS tracking techniques, the other of the position that can track mobile terminal can be used
Technology.In addition, at least one GPS satellite 300 can optionally or additionally handle satellite dmb transmission.
As a typical operation of wireless communication system, BS270 receives the reverse link from various mobile terminals 100
Signal.Mobile terminal 100 usually participates in call, information receiving and transmitting and other types of communication.Each of the reception of certain base station 270 is anti-
It is handled in specific BS270 to link signal.The data of acquisition are forwarded to relevant BSC275.BSC provides call
The mobile management function of resource allocation and coordination including the soft switching process between BS270.The number that BSC275 will also be received
According to MSC280 is routed to, the additional route service for forming interface with PSTN290 is provided.Similarly, PSTN290 with
MSC280 forms interface, and MSC and BSC275 form interface, and BSC275 correspondingly controls BS270 with by forward link signals
It is sent to mobile terminal 100.
Based on the These characteristics of above-mentioned terminal hardware structure, each reality of pseudo-base station recognition methods of the present invention and device is proposed
Apply example.
The embodiment of the present invention one provides a kind of Wireless Fidelity optical projection system, referring to Fig. 3, including a data for projection point
Enjoy equipment 301 and multiple projection devices 302.
Data for projection shares equipment 301, for establishing wifi-direct session connections with projection device 302, and is passed to it
Defeated data for projection, the data for projection include video data and audio data；
Projection device 302 shares the data for projection of the transmission of equipment 301 for receiving and playing the data for projection.
It should be noted that it can be mobile terminal that the data for projection of the embodiment of the present invention, which shares equipment,.Data for projection packet
Include audio data and video data.
Referring to Fig. 4, the data for projection shares equipment 301 includes：
Search module 401, for searching for the projection device in Wireless Fidelity wifi join domains；
Wifi modules 402, for when searching two or more projection devices, respectively with each throwing for searching
Shadow equipment establishes wifi-direct connections；
Transmission module 403, for obtaining the video data in data for projection and being transmitted to each projection device；
Audio data processing module 404 for obtaining the audio data in the data for projection, and sends it to the projection
The loud speaker of data sharing equipment.
In an optional scheme, which is additionally operable to search branch nearby by wifi Peer-To-Peer technologies
Hold the projection device of wifi Peer-To-Peer technologies.
In practical application, the search module 401 that data for projection shares equipment 301 sends to detect and asks on predefined channel
Seek frame (probe request frame).It includes such as reciprocity (P2P) information element (IE), P2P asterisk wildcards to detect claim frame
The information of SSID, asterisk wildcard SSID, destination-address, device type and device id etc.
At this point, projection device 302 is listened on predefined channel detects claim frame.Each projection device can determine spy
The information matches search criterion in claim frame is looked into, if it finds a match, then projection device 302 asks detecting of being described with equipment
It asks frame to be sent to data for projection and shares equipment 301.
Then, search module 401 continues to execute service discovery to obtain the service that projection device 302 is supported.It is servicing
During it was found that, GAS initial requests are sent to projection device 302 by search module 401.In response, projection device 302 will have
The GAS initial communications of information on services are sent to search module 401.Hereafter, 402 use of Wifi modules is obtained from projection device 302
Equipment and service describing establish WFD with projection device 302 and connect.
According to Wi-Fi Direct technical specifications, establishes wifi-direct with each projection device 302 searched and connect
When, also need to specify a group administrator (Group Owner) and multiple client (Client), in the present embodiment, projection number
It is designated as group administrator according to equipment 301 is shared, multiple projection devices 302 are designated as group client.Hereafter, number is projected
According to equipment 301 is shared a TCP connection is established with each projection device 302.
In an optional scheme, which further includes：
Module is monitored, whether the earphone for sharing equipment for monitoring the data for projection accesses；
The transmission module 403 is additionally operable to, when listening to earphone access, the video data and audio data are transferred to
Each projection device, or be additionally operable to do not hear the earphone access when, obtain data for projection in video data and by its
It is transferred to each projection device；
The audio data processing module 404 is additionally operable to, when not hearing earphone access, obtain in the data for projection
Audio data, and send it to the loud speaker that the data for projection shares equipment.
In an optional scheme, this method further includes：
It monitors the data for projection and shares the earphone of equipment and whether access；
If so, the video data and audio data are transferred to each projection device；
Otherwise, the video data in the extraction data for projection is executed, and is transmitted to each projection device, and extraction
And the step of playing the audio data in the data for projection.
In an optional scheme, which further includes：
Projection device management module, for after establishing wifi-direct session connections with each projection device, management with
The IP address of the session connection and each projection device established between each projection device.
In practical application, in order to realize the communication link of bottom, projection device management module be each projection device all
It is assigned with an IP address, and will be in each projection device and the storage to an IP lists of the correspondence of its IP address.
In an optional scheme, which further includes：
Acquisition submodule, the IP address for obtaining each projection device；
Sending submodule sends data for projection to each projection device respectively according to the IP address.
In practical application, transmission module 403 can also include negotiating submodule, for negotiating ability ginseng with each projection device
Number, the ability parameter include the data format that the data for projection shares end equipment and each projection device is supported；
At this point, sending submodule, is additionally operable to execute this after negotiating successfully respectively to each projection device transmission data for projection
The step of.
In practical application, after connection is established, data for projection shares the Wireless links of equipment utilization bottom, will currently shield
After curtain video data and/or audio data is packaged, all projection devices are transferred in conjunction with Real-time Transport Protocol.Specifically, projection side is set
It is standby to capture a current screen data every preset time (for example, 30ms), it is packaged into video-voice frequency flow, and will according to Real-time Transport Protocol
Screen data is sent to projection device 302.Projection device 302 delays the media data flow comprising screen data received
It deposits processing and shows.
In an optional scheme, which further includes：
Entitlement management module, for after establishing wifi-direct session connections with each projection device, managing each projection
The Reverse Turning Control mandate of equipment.
In the present embodiment, there are multiple projection devices, and each projection device can share data for projection equipment progress
Control.Therefore, it is necessary to Reverse Turning Control be managed.Specifically, mode below can be used：
Mode one：According to sequential, the input signal for the projection device being initially received is responded.
Mode two：Be arranged priority, if receiving multiple input signal in synchronization, respond highest priority or compared with
The input signal of high projection device.
Mode three：One fixed projection device is set, only in response to its input signal.
It should be understood that the embodiment of the present invention is not limited to three kinds of above-mentioned modes, it may also include other modes, as long as meeting
A projection device is only allowed to be weighed with Reverse Turning Control at each moment.
In an optional scheme, data for projection, which shares equipment 301, to include：
Selecting module, for when searching projection device, selection to need to establish the projection of wifi-direct session connections
Equipment.
The Wireless Fidelity optical projection system of the embodiment of the present invention, it can be achieved that one-to-many screen prjection with share, pass through WFD
Network can reduce the dependence to place；It can be applied in the scene of the particular demands such as multimedia conferencing room or audio-visual function classroom,
Fast assembling WFD networks realize resource-sharing.
On the basis of above-described embodiment, second embodiment of the present invention provides a kind of Wireless Fidelity projecting method, it is suitable for throwing
Shadow data sharing equipment, referring to Fig. 5, this method includes：
Projection device in S501, search Wireless Fidelity wifi join domains；
S502, when searching two or more projection devices, established respectively with each projection device for searching
Wifi-direct session connections；
Video data in S503, acquisition data for projection, and it is transmitted to each projection device；
S504, audio data in the data for projection is obtained, and sends it to the data for projection and shares raising one's voice for equipment
Device.
It should be noted that it can be mobile terminal that the data for projection of the embodiment of the present invention, which shares equipment,.Data for projection packet
Include audio data and video data.
In an optional scheme, the projection device in the search Wireless Fidelity wifi join domains, including：
The projection device for nearby supporting wifi Peer-To-Peer technologies is searched by wifi Peer-To-Peer technologies.
Specifically, the step method flow includes step S601 to step S603 in Fig. 6：
S601, data for projection, which are shared equipment and sent on predefined channel, detects claim frame.
Specifically, it includes such as reciprocity (P2P) information element (IE), P2P asterisk wildcards SSID, asterisk wildcard to detect claim frame
The information of SSID, destination-address, device type and device id etc.
S602, projection device are listened on predefined channel detects claim frame.
S603, projection device when determining the information matches search criterion detected in claim frame and the information matches to prestore,
The claim frame of detecting described with equipment is sent to data for projection and shares equipment.
In an optional scheme, step S502 include in Fig. 6 step S604 to the parts step S606
S604, data for projection share equipment and GAS initial requests are sent to projection device.
GAS initial communications with information on services are sent to data for projection and share equipment by S605, projection device.
S606, data for projection are shared equipment and are established according to the equipment and service describing and projection device obtained from projection device
WFD connections.
According to wifi Direct technical specifications, when establishing wifi-direct with each projection device 302 searched and connecting,
Also need to specify a group administrator (GroupOwner) and multiple client (Client), in the present embodiment, data for projection divides
It enjoys equipment 301 and is designated as group administrator, multiple projection devices 302 are designated as group client.Hereafter, data for projection point
It enjoys equipment 301 and establishes a TCP connection with each projection device 302.
In an optional scheme, after establishing wifi-direct session connections with each projection device, this method is also wrapped
It includes：
The IP address of the session connection and each projection device established between management and each projection device.
In practical application, in order to realize the communication link of bottom, projection device management module be each projection device all
It is assigned with an IP address, and will be in each projection device and the storage to an IP lists of the correspondence of its IP address.
In an optional scheme, this method further includes：
It monitors the data for projection and shares the earphone of equipment and whether access；
If so, the video data and audio data are transferred to each projection device；
Otherwise, the video data in the extraction data for projection is executed, and is transmitted to each projection device, and extraction
And the step of playing the audio data in the data for projection.
In an optional scheme, data for projection is transmitted to each projection device, including：
Obtain the IP address of each projection device；
According to the IP address data for projection is sent to each projection device respectively.
In practical application, before sending data for projection, this method further includes：
Negotiate ability parameter with each projection device, which includes that the data for projection shares end equipment and each projection is set
The standby data format supported；
The step of this transmits data for projection to each projection device respectively is being executed after negotiating successfully.
In practical application, after connection is established, data for projection shares the Wireless links of equipment utilization bottom, will currently shield
After curtain audio data and/or packing, all projection devices are transferred in conjunction with Real-time Transport Protocol.Specifically, data for projection shares equipment
Every preset time (for example, 30ms) capture a current screen data, be packaged into regard, audio stream, and according to Real-time Transport Protocol will shield
Curtain data are sent to projection device.
In an optional scheme, after establishing wifi-direct session connections with each projection device, this method is also wrapped
It includes：
Manage the Reverse Turning Control mandate of each projection device.
In the present embodiment, there are multiple projection devices, and each projection device can share data for projection equipment progress
Control.Therefore, it is necessary to Reverse Turning Control be managed.Specifically, mode below can be used：
Mode one：According to sequential, the input signal for the projection device being initially received is responded.
Mode two：Be arranged priority, if receiving multiple input signal in synchronization, respond highest priority or compared with
The input signal of high projection device.
Mode three：One fixed projection device is set, only in response to its input signal.
It should be understood that the embodiment of the present invention is not limited to three kinds of above-mentioned modes, it may also include other modes, as long as meeting
A projection device is only allowed to be weighed with Reverse Turning Control at each moment.
The Wireless Fidelity projecting method of the embodiment of the present invention, it can be achieved that one-to-many screen prjection with share, pass through WFD
Network can reduce the dependence to place；It can be applied in the scene of the particular demands such as multimedia conferencing room or audio-visual function classroom,
Fast assembling WFD networks realize resource-sharing.
Above by reference to the preferred embodiment of the present invention has been illustrated, not thereby limit to the interest field of the present invention.This
Field technology personnel do not depart from the scope of the present invention and essence in made by all any modification, equivalent and improvement, should all this
Within the interest field of invention.
Claims (10)
1. a kind of data for projection shares equipment, which is characterized in that the equipment includes：
Search module, for searching for the projection device in Wireless Fidelity wifi join domains；
Wifi modules, for when searching two or more projection devices, respectively with each projection device for searching
Establish wifi-direct connections；
Transmission module, for obtaining the video data in data for projection and being transmitted to each projection device；
Audio data processing module for obtaining the audio data in the data for projection, and sends it to the projection number
According to the loud speaker for sharing equipment.
2. equipment according to claim 1, which is characterized in that the equipment further includes：
Module is monitored, whether the earphone for sharing equipment for monitoring the data for projection accesses；
The transmission module is additionally operable to, when listening to the earphone access, the video data and audio data are transferred to
Each projection device, or be additionally operable to when not hearing the earphone access, the video data in acquisition data for projection is simultaneously
It is transmitted to each projection device；
The audio data processing module is additionally operable to, when not hearing the earphone access, obtain in the data for projection
Audio data, and send it to the loud speaker that the data for projection shares equipment.
3. equipment according to claim 1, which is characterized in that the transmission module further includes：
Acquisition submodule, the IP address for obtaining each projection device；
Sending submodule sends video data and/or audio data to each projection device respectively according to the IP address.
4. equipment according to claim 3, which is characterized in that described device further includes：
Projection device management module, for after establishing wifi-direct session connections with each projection device, management with
The IP address of the session connection and each projection device established between each projection device.
5. equipment according to claim 3, which is characterized in that the equipment further includes：
Entitlement management module, it is described each for after establishing wifi-direct session connections with each projection device, managing
The Reverse Turning Control mandate of projection device.
6. a kind of Wireless Fidelity optical projection system, which is characterized in that the system comprises：
The data for projection as described in any one of claim 1 to 5 shares equipment, for establishing wifi- at least one projection device
Direct session connections, and data for projection is transmitted to it, the data for projection includes video data and audio data；
At least one projection device shares the data for projection of equipment transmission for receiving and playing the data for projection.
7. a kind of Wireless Fidelity projecting method, shares equipment suitable for data for projection, which is characterized in that the method includes：
Search for the projection device in Wireless Fidelity wifi join domains；
When searching two or more projection devices, wifi- is established with each projection device searched respectively
Direct session connections；
The video data in data for projection is obtained, and is transmitted to each projection device；
The audio data in the data for projection is obtained, and sends it to the loud speaker that the data for projection shares equipment.
8. the method according to the description of claim 7 is characterized in that the method further includes：
It monitors the data for projection and shares the earphone of equipment and whether access；
If so, the video data and audio data are transferred to each projection device；
Otherwise, the video data in the extraction data for projection is executed, and is transmitted to each projection device, and extraction
And the step of playing the audio data in the data for projection.
9. according to claim 1 to 8 any one of them method, which is characterized in that the method further includes：
After establishing wifi-direct session connections with each projection device, the reversed control of each projection device is managed
System authorizes.
10. according to the method described in claim 9, it is characterized in that, establishing wifi-direct sessions with each projection device
After connection, the method further includes：
The IP address of the session connection and each projection device established between management and each projection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610872705.1A CN108289340A (en) | 2016-09-29 | 2016-09-29 | A kind of equipment of Wireless Fidelity projection, system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610872705.1A CN108289340A (en) | 2016-09-29 | 2016-09-29 | A kind of equipment of Wireless Fidelity projection, system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108289340A true CN108289340A (en) | 2018-07-17 |
Family
ID=62817137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610872705.1A Pending CN108289340A (en) | 2016-09-29 | 2016-09-29 | A kind of equipment of Wireless Fidelity projection, system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108289340A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110366267A (en) * | 2019-06-18 | 2019-10-22 | 深圳壹账通智能科技有限公司 | A kind of data playing method, device, equipment and readable storage medium storing program for executing |
| WO2021052200A1 (en) * | 2019-09-19 | 2021-03-25 | 华为技术有限公司 | Device capability scheduling method and electronic device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101459526A (en) * | 2008-12-15 | 2009-06-17 | 北京航空航天大学 | Projector sharing conference system based on service discovery |
| CN102571127A (en) * | 2010-12-22 | 2012-07-11 | 钰宝科技股份有限公司 | Wireless audio frequency transmitting-receiving device and wireless audio frequency transmission method |
| CN104010071A (en) * | 2013-02-26 | 2014-08-27 | 三星电子株式会社 | Application control method and apparatus for mobile terminal, earphone device and application control system |
| CN205040039U (en) * | 2015-10-21 | 2016-02-17 | 王磊 | Take radio network gateway of projecting apparatus |
| CN105578227A (en) * | 2015-12-07 | 2016-05-11 | 努比亚技术有限公司 | Multi-screen projection control method and system and terminal device |
| US20160139872A1 (en) * | 2013-05-09 | 2016-05-19 | Openvacs Co., Ltd. | Method for Controlling Voice Talk of Portable Terminal |
-
2016
- 2016-09-29 CN CN201610872705.1A patent/CN108289340A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101459526A (en) * | 2008-12-15 | 2009-06-17 | 北京航空航天大学 | Projector sharing conference system based on service discovery |
| CN102571127A (en) * | 2010-12-22 | 2012-07-11 | 钰宝科技股份有限公司 | Wireless audio frequency transmitting-receiving device and wireless audio frequency transmission method |
| CN104010071A (en) * | 2013-02-26 | 2014-08-27 | 三星电子株式会社 | Application control method and apparatus for mobile terminal, earphone device and application control system |
| US20160139872A1 (en) * | 2013-05-09 | 2016-05-19 | Openvacs Co., Ltd. | Method for Controlling Voice Talk of Portable Terminal |
| CN205040039U (en) * | 2015-10-21 | 2016-02-17 | 王磊 | Take radio network gateway of projecting apparatus |
| CN105578227A (en) * | 2015-12-07 | 2016-05-11 | 努比亚技术有限公司 | Multi-screen projection control method and system and terminal device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110366267A (en) * | 2019-06-18 | 2019-10-22 | 深圳壹账通智能科技有限公司 | A kind of data playing method, device, equipment and readable storage medium storing program for executing |
| WO2021052200A1 (en) * | 2019-09-19 | 2021-03-25 | 华为技术有限公司 | Device capability scheduling method and electronic device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106358319A (en) | Wireless projection device, system and method | |
| CN105282245B (en) | Cross-server message push system and method | |
| CN104866265B (en) | Multi-media file display method and device | |
| CN105100090B (en) | Communication method, server and system based on internal and external network separation | |
| CN106507072A (en) | A kind of wireless display device, system and method | |
| CN106413128A (en) | Projection method and mobile terminal | |
| CN105100673B (en) | Desktop sharing method and device based on VoLTE | |
| CN107885558A (en) | A kind of data for projection processing unit, method and data for projection share equipment | |
| CN106304086A (en) | Pseudo-base station recognition methods and device | |
| CN106131280A (en) | Mobile terminal and associated person information acquisition methods | |
| CN106657606A (en) | Photograph processing method, device and terminal | |
| CN106375840A (en) | Screen projection device, mobile terminal and screen projection connection method | |
| CN106095464B (en) | A kind of method and device of the seamless operation of application program | |
| CN104968027A (en) | Wi-Fi control method and apparatus | |
| CN107360214A (en) | A kind of message push processing method, message sink processing method and processing device | |
| CN106375843A (en) | Wireless projection apparatus, system and method | |
| CN106657950A (en) | Projection device management device, method and projection data sharing device | |
| CN106255114A (en) | A kind of terminal and the method identifying pseudo-base station thereof | |
| CN105827531B (en) | A kind of routing access method and terminal | |
| CN105991293B (en) | A kind of method of calibration and device | |
| CN108289289A (en) | A kind of transmission device of data for projection, system and method | |
| CN108289241A (en) | A kind of wireless display device, system and method | |
| CN104837122B (en) | Multi-party communications method, terminal and system | |
| CN108289340A (en) | A kind of equipment of Wireless Fidelity projection, system and method | |
| CN106911486B (en) | A kind of message push processing method, apparatus and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180717 |
|
| RJ01 | Rejection of invention patent application after publication |