CN106793159A - A kind of screen prjection method and mobile terminal - Google Patents
A kind of screen prjection method and mobile terminal Download PDFInfo
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- CN106793159A CN106793159A CN201611071655.3A CN201611071655A CN106793159A CN 106793159 A CN106793159 A CN 106793159A CN 201611071655 A CN201611071655 A CN 201611071655A CN 106793159 A CN106793159 A CN 106793159A
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- rtsp
- wfd
- functions
- transmitting terminal
- calling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/65—Network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
- H04M1/72412—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories using two-way short-range wireless interfaces
-
- 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 or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network
- H04N21/43637—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
Abstract
The present invention discloses a kind of screen prjection method and mobile terminal, wherein, screen prjection method, for being interconnected between multiple mobile terminals, comprises the following steps：Obtain the projection instruction from transmitting terminal；Call wireless video to show WFD functions, automatically control the WFD functions and the transmitting terminal is searched according to the projection instruction, and link connection is set up with the transmitting terminal by WFD functions；Streaming media RTSP function is called, the RTSP functions is automatically controlled and is accessed positioned at the RTSP server address of the transmitting terminal according to the projection instruction, and RTSP sessions are set up with the RTSP server；The transmitting terminal screen message received via the RTSP sessions is shown.The present invention has easily using the screen prjection function between WFD functional realiey mobile phones, improves the effect of Consumer's Experience.
Description
Technical field
The present invention relates to screen prjection management domain, more particularly to a kind of screen prjection method and mobile terminal.
Background technology
Current mobile phone wireless multimedia transport technology aspect, android system uses Wireless Display Wi-Fi Display skills
Art.Wi-Fi Display technologies are, based on MAC layer Wi-Fi Direct point-to-point transmission, to realize that audio, video data is wirelessly transferred,
Possesses the one-to-many and many-to-one ability of extension.
There is two kinds of equipment in Wi-Fi Display protocol infrastructures：Transmitting terminal Source and receiving terminal Sink.Hair
Sending end Source obtains audio, video data, and coding is sent to opposite end and is shown, common to be applied to mobile phone, flat board, notebook
Etc. equipment；Receiving terminal Sink receives audio, video data, and decoding is played, and common are the equipment such as Set Top Box, TV, audio amplifier.
As can be seen here, based on Wi-Fi Display technologies, mobile phone can only typically do transmitting terminal, and this has had a strong impact on Wi-Fi
The application of transmission mutually between mobile phone of Display Radio Transmission Technologys.And during the foundation of existing screen prjection, lead to
Often needing user carries out intervention operation, and this process also increased to user and use difficulty.
The content of the invention
The main object of the present invention is to provide screen prjection method and mobile terminal, it is intended to easily using WFD function realities
Screen prjection function between existing mobile phone, improves Consumer's Experience.
To achieve the above object, a kind of screen prjection method proposed by the present invention, for being interconnected between multiple mobile terminals,
Comprise the following steps：
Obtain the projection instruction from transmitting terminal；
Call wireless video to show WFD functions, automatically control the WFD functions and the hair is searched according to the projection instruction
Sending end, and link connection is set up with the transmitting terminal by WFD functions；
Streaming media RTSP function is called, the RTSP functions is automatically controlled and is accessed positioned at the hair according to the projection instruction
The RTSP server address of sending end, and set up RTSP sessions with the RTSP server；
The transmitting terminal screen message received via the RTSP sessions is shown.
Preferably, after " obtaining the projection instruction from transmitting terminal ", also including step：
When the corresponding application program of projection instruction is not detected by, the correspondence application program is downloaded and installed automatically
And for calling WFD functions and calling the installation kit of RTSP functions；
After the application program is installed, subsequent step is performed by the application program.
Preferably, it is described " to download and install the correspondence application program automatically and for calling WFD functions and calling
The step of installation kit of RTSP functions ", specifically includes：
According to the application server address that the projection instruction is carried, the correspondence application program is downloaded and for calling
WFD functions and call the installation kit of RTSP functions；
According to the hands-free automatic application installed for calling WFD functions and call RTSP functions of waking up of the installation kit
Program.
Preferably, it is described " to automatically control the WFD functions and the transmitting terminal is searched according to the projection instruction, and lead to
Cross WFD functions and set up link connection with the transmitting terminal " the step of specifically include：
Obtain the WFD controls in WFD function pages；
By for control the WFD controls be simulated the assistant service accessibility service of operation come
Automatically control the WFD functions and the transmitting terminal is searched according to the projection instruction, and WFD is set up with the transmitting terminal and connect
Connect.
Preferably, it is described " to automatically control the RTSP functions to be accessed positioned at the transmitting terminal according to the projection instruction
The step of RTSP server address, and set up RTSP sessions with the RTSP server ", specifically includes：
Obtain the RTSP controls in RTSP function pages；
By for control the RTSP controls be simulated the assistant service accessibility service of operation come
Automatically control the RTSP functions and RTSP server address is accessed according to the projection instruction, and set up with the server
RTSP sessions.
A kind of mobile terminal that the present invention is provided, including：
Receiver module, for obtaining the projection instruction from transmitting terminal；
First calling module, for calling wireless video to show WFD functions, automatically controls the WFD functions according to
The transmitting terminal is searched in projection instruction, and sets up link connection with the transmitting terminal by WFD functions；
Second calling module, for calling streaming media RTSP function, automatically controls the RTSP functions according to the projection
Instruction is accessed positioned at the RTSP server address of the transmitting terminal, and sets up RTSP sessions with the RTSP server；
Display module, for the transmitting terminal screen message received via the RTSP sessions to be shown.
Preferably, also include：
Module is installed, for when the corresponding application program of projection instruction is not detected by, it to be right to download automatically and install
Answer the application program and for calling WFD functions and calling the installation kit of RTSP functions；Installing the application
After program, first calling module and the second calling module perform subsequent step by the application program.
Preferably, the download module specifically for：
According to the application server address that the projection instruction is carried, the correspondence application program is downloaded and for calling
WFD functions and call the installation kit of RTSP functions；
According to the hands-free automatic application installed for calling WFD functions and call RTSP functions of waking up of the installation kit
Program.
Preferably, first calling module specifically for：
Obtain the WFD controls in WFD function pages；
By for control the WFD controls be simulated the assistant service accessibility service of operation come
Automatically control the WFD functions and the transmitting terminal is searched according to the projection instruction, and WFD is set up with the transmitting terminal and connect
Connect.
Preferably, second calling module specifically for：
Obtain the RTSP controls in RTSP function pages；
By for control the RTSP controls be simulated the assistant service accessibility service of operation come
Automatically control the RTSP functions and RTSP server address is accessed according to the projection instruction, and set up with the server
RTSP sessions.
Method for switching network provided by the present invention, when the projection for receiving transmitting terminal is instructed, by automatically controlling WFD
The link connection that function is set up between mobile terminal, then the RTSP meetings between RTSP functional realiey mobile terminals are automatically controlled
Words are set up, and so as to realize screen message transmission and show, are used to realize screen prjection function.Whole process of the present invention does not need user to enter
Row operation, therefore with the convenient effect for realizing screen prjection.Also, due to no newly-increased bottom software, but use standard
Wifi direct interfaces and stream media protocol interface and realize, therefore can realize that support screen projection originally sends work(
The mobile terminal of energy is extended, so as to be also equipped with screen prjection receive capabilities, therefore, this method also has low cost and is easy to
The function of popularization.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Structure according to these accompanying drawings obtains other accompanying drawings.
Fig. 1 is the optional hardware architecture diagram of mobile terminal one for realizing each embodiment of the invention；
Fig. 2 is the wireless communication system schematic diagram of mobile terminal as shown in Figure 1；
Fig. 3 is the flow chart of screen prjection method first embodiment of the present invention；
Fig. 4 is the flow chart of screen prjection method second embodiment of the present invention；
Fig. 5 is the flow chart of screen prjection method 3rd embodiment of the present invention；
Fig. 6 is the flow chart of screen prjection method fourth embodiment of the present invention；
Fig. 7 is the flow chart of the embodiment of screen prjection method the 5th of the present invention；
Fig. 8 is the module diagram of the embodiment of mobile terminal of the present invention.
The realization of the object of the invention, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The mobile terminal of each embodiment of the invention is realized referring now to Description of Drawings.In follow-up description, use
For represent element such as " module ", " part " or " unit " suffix only for being conducive to explanation of the invention, itself
Not specific meaning.Therefore, " module " can be used mixedly with " part ".
Mobile terminal can be implemented in a variety of manners.For example, the terminal described in the present invention can include such as moving
Phone, smart phone, notebook computer, digit broadcasting receiver, PDA (personal digital assistant), PAD (panel computer), PMP
The mobile terminal of (portable media player), guider etc. and such as numeral TV, desktop computer etc. are consolidated
Determine terminal.Hereinafter it is assumed that terminal is mobile terminal.However, it will be understood by those skilled in the art that, except being used in particular for movement
Outside the element of purpose, construction according to the embodiment of the present invention can also apply to the terminal of fixed type.
Fig. 1 is the hardware architecture diagram for realizing each optional mobile terminal of embodiment one of the invention.
Mobile terminal 1 00 can include wireless communication unit 110, A/V (audio/video) input block 120, user input
Unit 130, sensing unit 140, output unit 150, memory 160, interface unit 170, controller 180 and power subsystem 190
Etc..Fig. 1 shows the mobile terminal with various assemblies, it should be understood that being not required for implementing all groups for showing
Part.More or less component 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 assemblies, and it allows mobile terminal 1 00 and wireless communication system
Or the radio communication between network.For example, wireless communication unit 110 can include broadcasting reception module 111, mobile communication mould
At least one of block 112, 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 can include satellite channel and/or terrestrial channel.Broadcast management server can be generated and sent
The broadcast singal and/or broadcast related information generated before the server or reception of broadcast singal and/or broadcast related information
And send it to the server of terminal.Broadcast singal can include TV broadcast singals, radio signals, data broadcasting
Signal etc..And, broadcast singal may further include the broadcast singal combined with TV or radio signals.Broadcast phase
Pass information can also be provided via mobile communications network, and in this case, broadcast related information can be by mobile communication mould
Block 112 is received.Broadcast singal can exist in a variety of manners, for example, it can be with the electronics of DMB (DMB)
The form of program guide (EPG), the electronic service guidebooks (ESG) of digital video broadcast-handheld (DVB-H) etc. and exist.Broadcast
Receiver module 111 can receive signal and broadcast by using various types of broadcast systems.Especially, broadcasting reception module 111
Can be wide by using such as multimedia broadcasting-ground (DMB-T), DMB-satellite (DMB-S), digital video
Broadcast-hand-held (DVB-H), the Radio Data System of forward link media (MediaFLO), received terrestrial digital broadcasting integrated service
Etc. (ISDB-T) digit broadcasting system receives digital broadcasting.Broadcasting reception module 111 may be constructed such that and be adapted to provide for extensively
Broadcast the various broadcast systems and above-mentioned digit broadcasting system of signal.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 can be logical including voice
Words 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 can include WLAN (WLAN) (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 junction service.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 for checking or obtaining the positional information of mobile terminal.Location information module
Typical case be GPS (global positioning system).According to current technology, GPS module 115 is calculated and comes from three or more satellites
Range information and correct time information and the Information application triangulation for calculating, so as to according to longitude, latitude
Highly accurately calculate three-dimensional current location information.Currently, defended using three for calculating the method for position and temporal information
Star and the position that is calculated by using other satellite correction and the error of temporal information.Additionally, GPS module 115
Can be by Continuous plus current location information in real time come calculating speed information.
A/V input blocks 120 are used to receive audio or video signal.A/V input blocks 120 can include the He of camera 121
Microphone 122, the static images that 121 pairs, camera is obtained in Video Capture pattern or image capture mode by image capture apparatus
Or the view data of video is processed.Picture frame after treatment may be displayed on display unit 151.Processed through camera 121
Picture frame afterwards can be stored in memory 160 (or other storage mediums) or sent out via wireless communication unit 110
Send, two or more cameras 121 can be provided according to the construction of mobile terminal.Microphone 122 can be in telephone calling model, note
Sound (voice data) is received via microphone in record pattern, speech recognition mode etc. operational mode, and can be by so
Acoustic processing be voice data.Audio (voice) data after treatment can be converted in the case of telephone calling model can
The form for being sent to mobile communication base station via mobile communication module 112 is exported.Microphone 122 can implement various types of making an uproar
Sound eliminates (or suppression) algorithm to eliminate the noise or dry that (or suppression) produces during reception and transmission audio signal
Disturb.
User input unit 130 can generate key input data to control each of mobile terminal according to the order of user input
Plant operation.User input unit 130 allows the various types of information of user input, and can include keyboard, metal dome, touch
Plate (for example, detection due to being touched caused by resistance, pressure, electric capacity etc. change sensitive component), roller, rocking bar etc.
Deng.Especially, when touch pad is superimposed upon on display unit 151 in the form of layer, touch-screen can be formed.
Sensing unit 140 detects the current state of mobile terminal 1 00, (for example, mobile terminal 1 00 opens or closes shape
State), the presence or absence of the contact (that is, touch input) of the position of mobile terminal 1 00, user for mobile terminal 1 00, mobile terminal
The acceleration or deceleration movement of 100 orientation, mobile terminal 1 00 and direction etc., and generate for controlling mobile terminal 1 00
The order of operation or signal.For example, when mobile terminal 1 00 is embodied as sliding-type mobile phone, sensing unit 140 can be sensed
The sliding-type phone is opened or closed.In addition, sensing unit 140 can detect power subsystem 190 whether provide electric power or
Whether person's interface unit 170 couples with external device (ED).Sensing unit 140 can will be combined below including proximity transducer 141
Touch-screen is described to this.
Interface unit 170 is connected the interface that can pass through with mobile terminal 1 00 as at least one external device (ED).For example,
External device (ED) can include wired or wireless head-band earphone port, external power source (or battery charger) port, wired or nothing
Line FPDP, 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 be that storage uses each of mobile terminal 1 00 for verifying user
Kind of information and subscriber identification module (UIM), client identification module (SIM), Universal Subscriber identification module (USIM) can be included
Etc..In addition, the device (hereinafter referred to as " identifying device ") with identification module can take the form of smart card, therefore, know
Other device can be connected via port or other attachment means with mobile terminal 1 00.Interface unit 170 can be used for reception and come from
The input (for example, data message, electric power etc.) of the external device (ED) and input that will be received is transferred in mobile terminal 1 00
One or more elements can be used for transmitting data between mobile terminal and external device (ED).
In addition, when mobile terminal 1 00 is connected with external base, interface unit 170 can serve as allowing by it by electricity
Power provides to the path of mobile terminal 1 00 from base or can serve as allowing the various command signals being input into from base to pass through it
It is transferred to the path of mobile terminal.Be can serve as recognizing that mobile terminal is from the various command signals or electric power of base input
The no signal being accurately fitted within base.Output unit 150 is configured to provide defeated with vision, audio and/or tactile manner
Go out signal (for example, audio signal, vision signal, alarm signal, vibration signal etc.).Output unit 150 can include display
Unit 151, dio Output Modules 152, alarm unit 153 etc..
Display unit 151 may be displayed on the information processed in mobile terminal 1 00.For example, when mobile terminal 1 00 is in electricity
During words call mode, display unit 151 can show and converse or other communicate (for example, text messaging, multimedia file
Download etc.) related user interface (UI) or graphic user interface (GUI).When mobile terminal 1 00 is in video calling pattern
Or during image capture mode, display unit 151 can show the image of capture and/or the image of reception, show video or figure
UI or GUI of picture and correlation function etc..
Meanwhile, when display unit 151 and touch pad in the form of layer it is superposed on one another to form touch-screen when, display unit
151 can serve as input unit and output device.Display unit 151 can 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, and 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 implementation method, mobile terminal 1 00 can include two or more display units (or other display devices), for example, moving
Dynamic terminal can include outernal display unit (not shown) and inner display unit (not shown).Touch-screen can be used to detect touch
Input pressure and touch input position and touch input area.
Dio Output Modules 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 voice data transducing audio signal of middle storage and it is output as sound.And, dio Output Modules 152 can be provided and movement
The audio output (for example, call signal receives sound, message sink sound etc.) of the specific function correlation that terminal 100 is performed.
Dio Output Modules 152 can include loudspeaker, buzzer etc..
Alarm unit 153 can provide output and be notified to mobile terminal 1 00 with by event.Typical event can be with
Including calling reception, message sink, key signals input, touch input etc..In addition to audio or video is exported, alarm unit
153 can in a different manner provide output with the generation of notification event.For example, alarm unit 153 can be in the form of vibrating
Output is provided, when calling, message or some other entrance communication (incomingcommunication) are received, alarm list
Unit 153 can provide tactile output (that is, vibrating) to notify to user.Exported by providing such tactile, even if
When in pocket of the mobile phone of user in 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 dio Output Modules 152.
Memory 160 can store software program for the treatment and control operation performed by controller 180 etc., Huo Zheke
Temporarily to store the data that exported or will export (for example, telephone directory, message, still image, video etc.).And
And, memory 160 can store the vibration of various modes on being exported when touching and being applied to touch-screen and audio signal
Data.
Memory 160 can include the storage medium of at least one type, and the storage medium includes flash memory, hard disk, many
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 storage (ROM), Electrically Erasable Read Only Memory (EEPROM), programmable read only memory
(PROM), magnetic storage, disk, CD etc..And, mobile terminal 1 00 can perform memory with by network connection
The network storage device cooperation of 160 store function.
The overall operation of the generally control mobile terminal of controller 180.For example, controller 180 is performed and voice call, data
Communication, video calling etc. related control and treatment.In addition, controller 180 can be included for reproducing (or playback) many matchmakers
The multi-media module 181 of volume data, multi-media module 181 can be constructed in controller 180, or can be structured as and control
Device 180 is separated.Controller 180 can be with execution pattern identifying processing, the handwriting input that will be performed on the touchscreen or picture
Draw input and be identified as character or image.
Power subsystem 190 receives external power or internal power under the control of controller 180 and provides operation each unit
Appropriate electric power needed for part and component.
Various implementation methods described herein can be with use such as computer software, hardware or its any combination of calculating
Machine computer-readable recording medium is implemented.Implement for hardware, implementation method 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), processor, controller, microcontroller, microprocessor, it is designed to perform function described herein
At least one in electronic unit is implemented, and in some cases, such implementation method can be implemented in controller 180.
For software implementation, the implementation method of such as process or function can with allow to perform the single of at least one function or operation
Software module is implemented.Software code can be come by the software application (or program) write with any appropriate programming language
Implement, software code can be stored in memory 160 and performed by controller 180.
So far, mobile terminal is described according to its function.Below, 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. is used as showing
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 1 00 as shown in Figure 1 may be constructed such that using via frame or packet transmission data it is all if any
Line and wireless communication system and satellite-based communication system are operated.
The communication system that mobile terminal wherein of the invention can be operated 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) (especially, 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 teaching is equally applicable to other types of system.
With reference to Fig. 2, cdma wireless communication system can include multiple mobile terminal 1s 00, multiple base station (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 in some known interfaces any one construct, the interface includes such as E1/T1, ATM, IP,
PPP, frame relay, HDSL, ADSL or xDSL.It will be appreciated that system can include multiple BSC275 as shown in Figure 2.
Each BS270 can service one or more subregions (or region), by multidirectional antenna or the day of sensing specific direction
Each subregion of line covering is radially away from BS270.Or, each subregion can be by two or more for diversity reception
Antenna is covered.Each BS270 may be constructed such that the multiple frequency distribution of support, and the distribution of each frequency has specific frequency spectrum
(for example, 1.25MHz, 5MHz etc.).
What subregion and frequency were distributed 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 representing single
BSC275 and at least one BS270.Base station can also be referred to as " cellular station ".Or, each subregion of specific BS270 can be claimed
It is multiple cellular stations.
As shown in Figure 2, broadcast singal is sent to broadcsting transmitter (BT) 295 mobile terminal operated in system
100.Broadcasting reception module 111 as shown in Figure 1 is arranged at mobile terminal 1 00 to receive the broadcast sent by BT295
Signal.In fig. 2 it is shown that several global positioning system (GPS) satellites 300.Satellite 300 helps position multiple mobile terminals
At least one of 100.
In fig. 2, multiple satellites 300 are depicted, it is understood that be, it is possible to use any number of satellite obtains 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.Substitute GPS tracking techniques or outside GPS tracking techniques, it is possible to use other of the position of mobile terminal can be tracked
Technology.In addition, at least one gps satellite 300 can optionally or additionally process satellite dmb transmission.
Used as a typical operation of wireless communication system, BS270 receives the reverse link from various mobile terminal 1s 00
Signal.Mobile terminal 1 00 generally participates in call, information receiving and transmitting and other types of communication.Each of the reception of certain base station 270 is anti-
Processed in specific BS270 to link signal.The data of acquisition are forwarded to the BSC275 of correlation.BSC provides call
Resource allocation and the mobile management function of the coordination including the soft switching process between BS270.The number that BSC275 will also be received
According to MSC280 is routed to, it provides the extra route service for forming interface with PSTN290.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 1 00.
Based on above-mentioned mobile terminal hardware configuration and communication system, the inventive method each embodiment is proposed.
Refer to Fig. 3, screen prjection method first embodiment of the present invention, for being interconnected between multiple mobile terminals, including
Following steps：
Step S100, obtains the projection instruction from transmitting terminal；Wherein, projection instruction can be by the camera of receiving terminal
Carry out bar code scan mode and obtain projection instruction；Or the text of the URL link with projection instruction is received by receiving terminal
Information, projection instruction is obtained when receiving terminal clicks on the URL link；Or near field is carried out by NFC antenna by receiving terminal
RM obtains projection instruction.If it should be noted that the step can be application directly obtain, or
Obtained by system or third party, then be transferred to application to obtain indirectly.
Step S200, calls wireless video to show WFD functions, automatically controls the WFD functions according to the projection instruction
The transmitting terminal is searched, and link connection is set up with the transmitting terminal by WFD functions；Wherein, when mobile terminal is in
During root patterns, then can be by directly controlling WFD functions；When mobile terminal is in non-root patterns, then can pass through
Accessibility service simulate click, so as to realize automatically controlling WFD functions.It should be noted that this step is only
To call WFD functions, bridge and the interface effect of bottom wifi direct functional entitys are played, and not include WFD functions.
Step S300, calls streaming media RTSP function, automatically controls the RTSP functions and is accessed according to the projection instruction
Positioned at the RTSP server address of the transmitting terminal, and RTSP sessions are set up with the RTSP server；Wherein, when mobile whole
When end is in root patterns, then can be by directly controlling RTSP functions；When mobile terminal is in non-root patterns, then can be with
Click is simulated by accessibility service, so as to realize automatically controlling RTSP functions.It should be noted that this
Step is only to call RTSP functions, plays bridge and the interface effect of RTSP functions, and not includes RTSP functions.
Step S400, the transmitting terminal screen message received via the RTSP sessions is shown.
The present embodiment, receive transmitting terminal projection instruct when, by automatically control WFD functions set up mobile terminal it
Between link connection, then RTSP session establishments between RTSP functional realiey mobile terminals are automatically controlled, so as to realize screen
Curtain information transmission and display, are used to realize screen prjection function.The present embodiment whole process does not need user to be operated, therefore has
The convenient effect for realizing screen prjection.Also, due to no newly-increased bottom software, but connect using the wifi direct of standard
Mouthful and stream media protocol interface and realize, therefore can realize that the mobile terminal of the sending function of support screen projection originally is carried out
Extension, so as to be also equipped with screen prjection receive capabilities, therefore, this method also has low cost and is easy to the function of promoting.
Refer to Fig. 4, screen prjection method second embodiment of the present invention, based on first embodiment, to increasing step
S500, and replacement step S200, step S300 and step S400, are step S210, step S310 and step S410.In step
After S100 " obtaining the projection instruction from transmitting terminal ", also including step：
Step S500, when the corresponding application program of projection instruction is not detected by, downloads and installs correspondence institute automatically
State application program and for calling WFD functions and calling the installation kit of RTSP functions；Wherein, the present embodiment by system or
When person third party obtains projection information, then detect whether local application installs in list have corresponding application program, if not examining
Application program is measured, then carries out application program download.
After the application program is installed, subsequent step is performed by the application program.When mounted, can be with
Installed after user permits, it is also possible to which, without automatic installation is reminded, the function different according to the setting of system can be realized.
Step S210, WFD functions are shown by the application call wireless video, automatically control the WFD functions
The transmitting terminal is searched according to the projection instruction, and link connection is set up with the transmitting terminal by WFD functions.
Step S310, by the application call streaming media RTSP function, automatically control the RTSP functions according to
The projection instruction is accessed positioned at the RTSP server address of the transmitting terminal, and sets up RTSP meetings with the RTSP server
Words.
Step S410, is shown the transmitting terminal screen message received via the RTSP sessions by the application program
Show.
The present embodiment, by when receiving projection instruction and not installing application program, being downloaded automatically and installing,
So as to have the operation needed for reducing user, the effect that convenient user is used.
Refer to Fig. 5, screen prjection method 3rd embodiment of the present invention, based on second embodiment, to step S500
It is further described；It is described " when the corresponding application program of projection instruction is not detected by, to download and install correspondence automatically
The application program and for calling WFD functions and calling the installation kit of RTSP functions " the step of specifically include：
Step S510, when the corresponding application program of projection instruction is not detected by, carries according to the projection instruction
Application server address, download the correspondence application program and the peace for calling WFD functions and call RTSP functions
Dress bag.Wherein, when mobile terminal is in root patterns, then can be by directly hands-free automatic download and automatic installation of waking up；When
When mobile terminal is in non-root patterns, then click can be simulated by accessibility service, so as to realize certainly
It is dynamic to download and automatic installation.
Step S520, installs for calling WFD functions and calling RTSP functions automatically according to hands-free the waking up of the installation kit
The application program.
The present embodiment, downloads and installs whole realization and automatically process, therefore, further carry the behaviour needed for reducing user
Make, the effect that convenient user is used.
Refer to Fig. 6, screen prjection method fourth embodiment of the present invention, based on first embodiment, to step S200
It is further described；It is described " to call wireless video to show WFD functions, automatically control the WFD functions and referred to according to the projection
The transmitting terminal is searched in order, and sets up link connection with the transmitting terminal by WFD functions " the step of specifically include：
Step S210, calls wireless video to show WFD functions, obtains the WFD controls in WFD function pages；Wherein, control
Type can be name text frame, user name text box, cryptogram frame, authentication type list, save button etc..
Step S220, by for controlling the WFD controls to be simulated the assistant service accessibility of operation
Service searches the transmitting terminal automatically controlling the WFD functions according to the projection instruction, and is built with the transmitting terminal
Vertical WFD connections.Wherein, for text box type control, it is possible to use AccessibilityNodelnfo.ACTION_SET_
TEXT methods simulation input correspondence justice is originally；For list type control, it is possible to use
AccessibilityNodelnfo.ACTION_SET_SELECTION methods analog selection is operated；For type of button control,
Clicking operation can be simulated using AccessibilityNodelnfo.ACTION_CLICK methods, it is possible to use
The simulation of AccessibilityNodelnfo.ACTION_LONG_CLICK methods is long by operation.
The present embodiment, hands-free automatic installation and management WFD companies of waking up can be realized by accessibility service
Connect, such that it is able to reduce the operation needed for user；And this method needs not be at being carried out under ROOT patterns, therefore system
Security is higher.
Refer to Fig. 7, the embodiment of screen prjection method the 5th of the present invention, based on first embodiment, to step S300
It is further described；It is described " to call streaming media RTSP function, automatically control the RTSP functions and visited according to the projection instruction
Ask positioned at the RTSP server address of the transmitting terminal, and RTSP sessions set up with the RTSP server " the step of it is specific
Including：
Step S310, obtains the RTSP controls in RTSP function pages；Wherein, control type can be name text frame,
User name text box, cryptogram frame, authentication type list, save button etc..
Step S320, by for controlling the RTSP controls to be simulated the assistant service accessibility of operation
Service accesses RTSP server address automatically controlling the RTSP functions according to the projection instruction, and with the clothes
Business device sets up RTSP sessions.Wherein, for text box type control, it is possible to use
AccessibilityNodelnfo.ACTION_SET_TEXT methods simulation input correspondence justice is originally；For list type control, can
Operated with using AccessibilityNodelnfo.ACTION_SET_SELECTION methods analog selection；For type of button
Control, it is possible to use AccessibilityNodelnfo.ACTION_CLICK methods simulate clicking operation, it is possible to use
The simulation of AccessibilityNodelnfo.ACTION_LONG_CLICK methods is long by operation.
The present embodiment, hands-free automatic installation and management RTSP work(of waking up can be realized by accessibility service
Can, such that it is able to reduce the operation needed for user；And this method needs not be at being carried out under ROOT patterns, therefore system
Security is higher.
Refer to Fig. 8, the embodiment of mobile terminal of the present invention, including：
Receiver module 400, for obtaining the projection instruction from transmitting terminal；Wherein, projection instruction can be by receiving terminal
Camera carry out bar code scan mode obtain the projection instruction；Or the URL chains with projection instruction are received by receiving terminal
The text message for connecing, projection instruction is obtained when receiving terminal clicks on the URL link；Or NFC antenna is passed through by receiving terminal
Carry out near field RM and obtain projection instruction.If it should be noted that the step can be application directly obtain,
Can also be obtained by system or third party, then be transferred to application to obtain indirectly.
First calling module 500, for calling wireless video to show WFD functions, automatically controls the WFD functions according to institute
State projection instruction and search the transmitting terminal, and link connection is set up with the transmitting terminal by WFD functions；Wherein, movement is worked as
When terminal is in root patterns, then can be by directly controlling WFD functions；When mobile terminal is in non-root patterns, then may be used
To simulate click by accessibility service, so as to realize automatically controlling WFD functions.It should be noted that this
Step is only to call WFD functions, plays bridge and the interface effect of bottom wifi direct functional entitys, and not includes WFD
Function.
Second calling module 600, for calling streaming media RTSP function, automatically controls the RTSP functions according to the throwing
Shadow instruction is accessed positioned at the RTSP server address of the transmitting terminal, and sets up RTSP sessions with the RTSP server；Its
In, when mobile terminal is in root patterns, then can be by directly controlling RTSP functions；When mobile terminal is in non-root moulds
During formula, then click can be simulated by accessibility service, so as to realize automatically controlling RTSP functions.Need
Illustrate, this step is only to call RTSP functions, play bridge and the interface effect of RTSP functions, and not include RTSP work(
Energy.
Display module 700, for the transmitting terminal screen message received via the RTSP sessions to be shown.
The present embodiment, receive transmitting terminal projection instruct when, by automatically control WFD functions set up mobile terminal it
Between link connection, then RTSP session establishments between RTSP functional realiey mobile terminals are automatically controlled, so as to realize screen
Curtain information transmission and display, are used to realize screen prjection function.The present embodiment whole process does not need user to be operated, therefore has
The convenient effect for realizing screen prjection.Also, due to no newly-increased bottom software, but connect using the wifi direct of standard
Mouthful and stream media protocol interface and realize, therefore can realize that the mobile terminal of the sending function of support screen projection originally is carried out
Extension, so as to be also equipped with screen prjection receive capabilities, therefore, this method also has low cost and is easy to the function of promoting.
Preferably, the mobile terminal, also includes：
Module 800 is installed, for when the corresponding application program of projection instruction is not detected by, downloading automatically and installing
The correspondence application program and the installation kit for calling WFD functions and call RTSP functions；Installing described answering
After with program, the calling module 600 of first calling module 500 and second performs subsequent step by the application program.
Wherein, when the present embodiment obtains projection information by system or third party, then detect local application install in list whether
There is corresponding application program, if being not detected by application program, carry out application program download.When mounted, can be by user
Installed after license, it is also possible to which, without automatic installation is reminded, the function different according to the setting of system can be realized.
The present embodiment, by when receiving projection instruction and not installing application program, being downloaded automatically and installing,
So as to have the operation needed for reducing user, the effect that convenient user is used.
Preferably, the download module specifically for：
According to the application server address that the projection instruction is carried, the correspondence application program is downloaded and for calling
WFD functions and call the installation kit of RTSP functions；Wherein, when mobile terminal is in root patterns, then can be by direct
Hands-free automatic download and automatic installation of waking up；When mobile terminal is in non-root patterns, then can be by accessibility
Service simulates click, so as to realize automatic download and automatic installation.
According to the hands-free automatic application installed for calling WFD functions and call RTSP functions of waking up of the installation kit
Program.
The present embodiment, downloads and installs whole realization and automatically process, therefore, further carry the behaviour needed for reducing user
Make, the effect that convenient user is used.
Preferably, first calling module 500 specifically for：
Obtain the WFD controls in WFD function pages；Wherein, control type can be name text frame, user name text
Frame, cryptogram frame, authentication type list, save button etc..
By for control the WFD controls be simulated the assistant service accessibility service of operation come
Automatically control the WFD functions and the transmitting terminal is searched according to the projection instruction, and WFD is set up with the transmitting terminal and connect
Connect.Wherein, for text box type control, it is possible to use AccessibilityNodelnfo.ACTION_SET_TEXT methods
Simulation input correspondence justice is originally；For list type control, it is possible to use AccessibilityNodelnfo.ACTION_SET_
SELECTION methods analog selection is operated；For type of button control, it is possible to use
AccessibilityNodelnfo.ACTION_CLICK methods simulate clicking operation, it is possible to use
The simulation of AccessibilityNodelnfo.ACTION_LONG_CLICK methods is long by operation.
The present embodiment, hands-free automatic installation and management WFD companies of waking up can be realized by accessibility service
Connect, such that it is able to reduce the operation needed for user；And this method needs not be at being carried out under ROOT patterns, therefore system
Security is higher.
Preferably, second calling module 600 specifically for：
Obtain the RTSP controls in RTSP function pages；Wherein, control type can be name text frame, user name text
Frame, cryptogram frame, authentication type list, save button etc..
By for control the RTSP controls be simulated the assistant service accessibility service of operation come
Automatically control the RTSP functions and RTSP server address is accessed according to the projection instruction, and set up with the server
RTSP sessions.Wherein, for text box type control, it is possible to use AccessibilityNodelnfo.ACTION_SET_
TEXT methods simulation input correspondence justice is originally；For list type control, it is possible to use
AccessibilityNodelnfo.ACTION_SET_SELECTION methods analog selection is operated；For type of button control,
Clicking operation can be simulated using AccessibilityNodelnfo.ACTION_CLICK methods, it is possible to use
The simulation of AccessibilityNodelnfo.ACTION_LONG_CLICK methods is long by operation.
The present embodiment, hands-free automatic installation and management RTSP work(of waking up can be realized by accessibility service
Can, such that it is able to reduce the operation needed for user；And this method needs not be at being carried out under ROOT patterns, therefore system
Security is higher.
It should be noted that herein, term " including ", "comprising" or its any other variant be intended to non-row
His property is included, so that process, method, article or device including a series of key elements not only include those key elements, and
And also include other key elements being not expressly set out, or also include for this process, method, article or device institute are intrinsic
Key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including this
Also there is other identical element in the process of key element, method, article or device.
The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably implementation method.Based on such understanding, technical scheme is substantially done to prior art in other words
The part for going out contribution can be embodied in the form of software product, and the computer software product is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), including some instructions are used to so that a station terminal equipment (can be mobile terminal, calculate
Machine, server, air-conditioner, or network equipment etc.) perform method described in each embodiment of the invention.
The preferred embodiments of the present invention are these are only, the scope of the claims of the invention is not thereby limited, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of screen prjection method, for being interconnected between multiple mobile terminals, it is characterised in that comprise the following steps：
Obtain the projection instruction from transmitting terminal；
Call wireless video to show WFD functions, automatically control the WFD functions and the transmission is searched according to the projection instruction
End, and link connection is set up with the transmitting terminal by WFD functions；
Streaming media RTSP function is called, the RTSP functions is automatically controlled and is accessed positioned at the transmitting terminal according to the projection instruction
RTSP server address, and set up RTSP sessions with the RTSP server；
The transmitting terminal screen message received via the RTSP sessions is shown.
2. screen prjection method as claimed in claim 1, it is characterised in that " obtaining the projection instruction from transmitting terminal " it
Afterwards, also including step：
When being not detected by the projection and instructing corresponding application program, download automatically and install the correspondence application program and
For calling WFD functions and calling the installation kit of RTSP functions；
After the application program is installed, subsequent step is performed by the application program.
3. screen prjection method as claimed in claim 2, it is characterised in that it is described " download automatically and install correspondence is described should
With program and for calling WFD functions and calling the installation kit of RTSP functions " the step of specifically include：
According to the application server address that the projection instruction is carried, the correspondence application program is downloaded and for calling WFD
Function and call the installation kit of RTSP functions；
According to the hands-free automatic application journey installed for calling WFD functions and call RTSP functions of waking up of the installation kit
Sequence.
4. the screen prjection method as described in any one of claims 1 to 3, it is characterised in that described " to automatically control the WFD
Function searches the transmitting terminal according to the projection instruction, and sets up link connection with the transmitting terminal by WFD functions "
Step is specifically included：
Obtain the WFD controls in WFD function pages；
By for controlling the WFD controls to be simulated the assistant service accessibility service of operation come automatic
Control the WFD functions to search the transmitting terminal according to the projection instruction, and WFD set up with the transmitting terminal to be connected.
5. the screen prjection method as described in any one of claims 1 to 3, it is characterised in that described " to automatically control the RTSP
Function is accessed positioned at the RTSP server address of the transmitting terminal according to the projection instruction, and is built with the RTSP server
The step of vertical RTSP sessions ", specifically includes：
Obtain the RTSP controls in RTSP function pages；
By for controlling the RTSP controls to be simulated the assistant service accessibility service of operation come automatic
Control the RTSP functions to access RTSP server address according to the projection instruction, and RTSP meetings are set up with the server
Words.
6. a kind of mobile terminal, it is characterised in that including：
Receiver module, for obtaining the projection instruction from transmitting terminal；
First calling module, for calling wireless video to show WFD functions, automatically controls the WFD functions according to the projection
The transmitting terminal is searched in instruction, and sets up link connection with the transmitting terminal by WFD functions；
Second calling module, for calling streaming media RTSP function, automatically controls the RTSP functions according to the projection instruction
Access positioned at the RTSP server address of the transmitting terminal, and RTSP sessions are set up with the RTSP server；
Display module, for the transmitting terminal screen message received via the RTSP sessions to be shown.
7. mobile terminal as claimed in claim 6, it is characterised in that also include：
Module is installed, for when the corresponding application program of projection instruction is not detected by, downloading and installing correspondence institute automatically
State application program and for calling WFD functions and calling the installation kit of RTSP functions；Installing the application program
Afterwards, first calling module and the second calling module perform subsequent step by the application program.
8. mobile terminal as claimed in claim 7, it is characterised in that the download module specifically for：
According to the application server address that the projection instruction is carried, the correspondence application program is downloaded and for calling WFD
Function and call the installation kit of RTSP functions；
According to the hands-free automatic application journey installed for calling WFD functions and call RTSP functions of waking up of the installation kit
Sequence.
9. the mobile terminal as described in any one of claim 6 to 8, it is characterised in that first calling module specifically for：
Obtain the WFD controls in WFD function pages；
By for controlling the WFD controls to be simulated the assistant service accessibility service of operation come automatic
Control the WFD functions to search the transmitting terminal according to the projection instruction, and WFD set up with the transmitting terminal to be connected.
10. the mobile terminal as described in any one of claim 6 to 8, it is characterised in that second calling module is specifically used
In：
Obtain the RTSP controls in RTSP function pages；
By for controlling the RTSP controls to be simulated the assistant service accessibility service of operation come automatic
Control the RTSP functions to access RTSP server address according to the projection instruction, and RTSP meetings are set up with the server
Words.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611071655.3A CN106793159A (en) | 2016-11-29 | 2016-11-29 | A kind of screen prjection method and mobile terminal |
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| CN201611071655.3A CN106793159A (en) | 2016-11-29 | 2016-11-29 | A kind of screen prjection method and mobile terminal |
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| CN108810595A (en) * | 2018-06-29 | 2018-11-13 | 四川斐讯信息技术有限公司 | A kind of video broadcasting method and system based on speaker |
| CN109088977A (en) * | 2018-06-21 | 2018-12-25 | 上海二三四五网络科技有限公司 | A kind of control method and control device of automatic installation mobile terminal application |
| CN112130475A (en) * | 2020-09-22 | 2020-12-25 | 北京字节跳动网络技术有限公司 | Equipment control method, device, terminal and storage medium |
| CN112394898A (en) * | 2020-11-23 | 2021-02-23 | 深圳乐播科技有限公司 | Screen projection method, device and system, screen projection equipment and storage medium |
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Application publication date: 20170531 |