CN103442381A - Optimizing method, terminal and system of Wifi display - Google Patents
Optimizing method, terminal and system of Wifi display Download PDFInfo
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- CN103442381A CN103442381A CN2013103842416A CN201310384241A CN103442381A CN 103442381 A CN103442381 A CN 103442381A CN 2013103842416 A CN2013103842416 A CN 2013103842416A CN 201310384241 A CN201310384241 A CN 201310384241A CN 103442381 A CN103442381 A CN 103442381A
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Abstract
The invention provides an optimizing method, terminal and system of a Wifi display. The optimizing method comprises the following steps that A1, a mobile terminal receives a broadcast or multicast data package transmitted by a display terminal in the same network, and the data package comprises the connecting attribute of the display terminal; A2, a triggering instruction is received; A3, a service instruction is sent to the display terminal according to the triggering instruction and the data package, and the service instruction comprises an RTSP service address and an RTSP service port of the mobile terminal; A4, RSTP connection is built according to the connecting request of the display terminal. According to the optimizing method, the connecting process of the terminal is simplified, therefore, the connection of the terminal is more convenient, faster and more reliable, and user experience degree is also improved.
Description
Technical field
The present invention relates to communication technical field, relate in particular to optimization method, associated terminal and the system of a kind of Wifi Display.
Background technology
Along with wideling popularize of the integration of three networks, multi-screen interactive has become development trend, grows in intensity.Wherein, the interconnection that utilizes Wifi Display technology to realize has become main flow direction.
Yet, in prior art, Wifi Display sets up RTSP(Real Time Streaming Protocol on Wifi Direct basis, real time streaming transport protocol) serve, because Wifi Direct technical development is still immature, in order to support Wifi Display to drive and to do corresponding the modification wireless network card, comprise: realize that more complicated Wifi Direct device discovery logic, Microsoft Loopback Adapter, virtual focus are to provide associated and authentication support, maintain equipment group etc., but drive modification can cause the unsettled problem of speed.Simultaneously, during Wifi Direct realizes, also can there is following problem, as STA(station in channel selection procedure, the wifi website the wifi client device) broken string, in scanning process, STA speed descends, and unstable causing of device group management connects broken string, more difficult or can't discovering device when environmental interference is strong.
In addition, because Wifi Display is based upon on Wifi Direct basis, this has determined that it can't be for cable network, and the bandwidth of wireless network and distance limit have also determined that it can't provide high-quality picture and transmission more at a distance.Simultaneously, the interference in wireless network is larger on the transmission quality impact of wireless network, and at requirement of real-time, very high demonstration is used and will be shown the negative phenomenas such as picture mosaic, frame losing, delay increase, affects the user and experiences.
Single-frequency characteristic due to the single-frequency network interface card, Wifi Direct technology can't obtain good compatibility on the single-frequency network interface card, all need to carry out the channel handover operation when its search equipment, connection device, can cause the station mode(station mode that shares the same Transmit-Receive Unit of network interface card), monitor mode(listen mode) speed descend or broken string, this problem is insurmountable defect on software, therefore, need to there is a scheme to substitute Wifi Direct role in Wifi Display.
Summary of the invention
In view of this, the invention provides optimization method, terminal and the system of a kind of Wifi Display, simplify the terminal connection procedure, make terminal connect more convenient, quick, reliable, and then promote user experience.
The invention provides the optimization method of a kind of Wifi Display, comprising:
A1, mobile terminal are received in broadcast or the multicast packet that the display terminal in consolidated network sends, and described packet comprises the connection attribute of described display terminal;
A2, reception triggering command;
A3, according to described triggering command and described packet, to display terminal, send service order, described service order comprises RTSP address of service and the port of mobile terminal;
A4, set up RTSP according to the connection request of described display terminal and connect.
Preferably, described packet also comprise display terminal state information and or identification information.
Preferably, after described steps A 4, also comprise:
A5, grasping system show and voice data, and are encoded into the multi-medium data bag;
A6, by the UDP mode, described multi-medium data bag is sent to described display terminal, for display terminal, carries out playback process.
Preferably, after described steps A 6, also comprise:
A7, receive the broadcasting message that described display terminal returns, upgrade interactive interface.
The present invention also provides a kind of display terminal, and described display terminal comprises:
Access module, for accessing mobile terminal place network;
Sending module, for sending broadcast or multicast packet, described packet comprises the connection attribute of described display terminal;
The first receiver module, for receiving service order, described service order comprises RTSP address of service and the port of mobile terminal;
Link block, for setting up and be connected with the RTSP of described mobile terminal according to described service order.
Preferably, described terminal also comprises:
The second receiver module, the multi-medium data bag sent for receiving described mobile terminal, carry out playback process for playing module.
The present invention also provides a kind of mobile terminal, and described mobile terminal comprises:
The first receiving element, the broadcast or the multicast packet that for the display terminal be received in consolidated network, send, described packet comprises the connection attribute of described display terminal;
The second receiving element, for receiving triggering command;
The first transmitting element, for according to described triggering command and described packet, to display terminal, sending service order, described service order comprises RTSP address of service and the port of mobile terminal;
Linkage unit, set up RTSP for the connection request according to described display terminal and connect.
Preferably, described terminal also comprises:
Acquiring unit, show and voice data for grasping system, and be encoded into the multi-medium data bag;
The second transmitting element, for by the UDP mode, described multi-medium data bag being sent to described display terminal, carry out playback process for described display terminal.
Preferably, described terminal also comprises:
Updating block, the broadcasting message of returning for receiving described display terminal, upgrade interactive interface.
The present invention also provides the optimization system of a kind of Wifi Display, it is characterized in that, comprises above-mentioned any mobile terminal and above-mentioned any display terminal.
The optimization method of a kind of Wifi Display provided by the invention, terminal and system, simplify the terminal connection procedure, makes terminal connect more convenient, quick, reliable, and then promote user experience.
The accompanying drawing explanation
The optimization method flow chart of a kind of Wifi Display that Fig. 1 provides for the embodiment of the present invention;
The structural representation of a kind of display terminal that Fig. 2 provides for the embodiment of the present invention;
The structural representation of a kind of mobile terminal that Fig. 3 provides for the embodiment of the present invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Below will be illustrated content of the present invention for existing Wifi Display scheme in order better to explain.At first, Wifi Display is divided into two stages, and the first stage is the Wifi Direct stage, and second stage is the RTSP stage.
Wherein, the Wifi Direct stage specifically comprises following process:
At p2p(Peer to Peer, equity connects) the discovery(discovery) stage, both sides' equipment need to be 1,6,11 3 channel cyclic switchings, this can affect the transmission rate of network interface card station interface.Both sides' device discovery the other side's prerequisite be at one time both sides in same channel, and a side is scanned in scan() state, one side monitors in listen() state, only from the mathematics probability, calculate, both sides' device discovery the other side's probability is very low, can only make up by speed, it is no problem under the proper network environment, to use, but disturb when more serious, packet loss can occur, cause the device discovery probability greatly to reduce and discovery time length very, even basic just can't discovering device.This stage need to change that wireless network card drives and the supplicant layer can identify the distinctive probe request(of Wifi Direct probe requests thereby), probe response(probe response) wrap, and report upper strata.
GO(Group Owner, group has end) the negociation(negotiation) stage, equipment both sides hold consultation, using and determine that a method, apparatus provides association and authentication service as virtual access point, this stage need to change the wireless network card driving and the supplicant layer wraps can identify the distinctive probe request of Wifi Direct, probe response, and reports upper strata.
Wps(Wireless Protected setup; Wifi protects setting) provision(prepares) stage is by the GO equipment GC(Group Client negotiated on last stage; the group client) equipment provides association and authentication service; this stage need to change that wireless network card drives and the supplicant layer can support the beacon(beacon) send, WPA2(Wi-Fi Protected Access2, Wi-Fi network security access second edition) functions such as authentication, association.
The Address(IP address assignment) stage needs a DHCP(Dynamic Host Configuration Protocol of GO equipment operation, and DynamicHost arranges agreement) the server(server), the relatively easy realization, but increased facility load.
Second stage is the RTSP stage, initiate connection request by RTSP sink equipment (for the equipment of displaying contents) to RTSP source equipment (for the equipment of displaying contents is provided), both sides' RTSP source equipment after negotiation related parameters starts to send the multi-medium data bag to RTSP sink equipment in the UDP mode, after receiving the multi-medium data bag, RTSP sink equipment recombinated, decoding and broadcasting.
In actual use procedure, find, the Wifi Direct stage has caused nearly all problem, the speed that picture drives modification to bring is unstable, Wifi Direct channel selects to cause the STA broken string, retouch in inswept journey STA speed and descend, unstable causing of device group management connects broken string, more difficult or can't discovering device when environmental interference is strong, can't with the cable network equipment interconnection, the PC platform is difficult to support etc.Due to the single-frequency characteristic of audio frequency network interface card, Wifi Direct technology can't obtain good compatibility on the single-frequency network interface card, and this problem is insurmountable defect on software.
In addition, the data that test obtains according to reality are known, and the time that Wifi Direct connects, at 5-30 between second, even longer under some environment, this was concerning the user, and Experience Degree is undesirable.
In view of this, the invention provides the optimization method of a kind of Wifi Display, substitute Wifi Direct role in Wifi Display, simplify the terminal connection procedure, make to connect more conveniently, quick, reliable, and then promote user experience.
The optimization method flow chart of a kind of Wifi Display that Fig. 1 provides for the embodiment of the present invention, the method comprises the following steps:
S101: mobile terminal is received in broadcast or the multicast packet that the display terminal in consolidated network sends, and described packet comprises the connection attribute of described display terminal.
Concrete, display terminal can pass through the wired connection mode, is linked into the switch that mobile terminal accesses, or, by the wireless connections mode, is linked into the AP(Access Point that mobile terminal accesses, access points).In display terminal is linked into this network, continue to send broadcast or multicast packet, mobile terminal receives the UDP message bag that display terminal sends.Wherein, packet comprises the connection attribute of display terminal.Connection attribute comprises address and the port of display terminal, can also comprise state information, as the display terminal service of whether opening or no occupied message identification, so that mobile terminal is identified attachable display terminal according to state information.Certainly, can also comprise terminal iidentification, so that mobile terminal is identified the display terminal of Service Matching accurately, fast.Be the situation that mobile terminal can be known the display terminal of place network, in order to need to use while serving, quick and display terminal connects.
S102: receive triggering command.
When the user need to use service, can carry out triggering command by button or gesture, after mobile terminal receives this triggering command, perform step S103.Concrete, this service can be carried out the mirror image demonstration by receiving system for the screen by mobile terminal.
S103: send service order according to described triggering command and described packet to display terminal, described service order comprises RTSP address of service and the port of mobile terminal.
When mobile terminal receives triggering command, address and port according in broadcast or multicast packet, will comprise that the service order of mobile terminal RTSP address of service and port is sent to corresponding display terminal.
S104: set up RTSP according to the connection request of described display terminal and connect.
Concrete, the RTSP connection request that mobile terminal is initiated according to display terminal, carry out parameter negotiation, and after negotiation, mobile terminal can connect to the display terminal transmitting multimedia data by RTSP.
The optimization method of a kind of Wifi Display that the embodiment of the present invention provides, the connection attribute that mobile terminal sends with broadcast or multicast form by the display terminal received in consolidated network, know the display terminal of place network unlatching service, when mobile terminal need to be used service, can service order be sent to corresponding display terminal according to the packet received, so that display terminal is direct and mobile terminal connects, simplified the terminal connection procedure, make terminal connect more convenient, quick and reliable, and then promote user experience.
In preferred embodiment of the present invention, further comprising the steps of after step S104:
Grasping system shows and voice data, and is encoded into the multi-medium data bag;
By the UDP mode, the multi-medium data bag is sent to display terminal, for display terminal, carries out playback process.
Concrete, mobile terminal capture screen system shows and voice data, carry out TS(Transport Stream) coding, form the multi-medium data bag that Wifi Display supports, be sent to display terminal by the UDP mode, display terminal, by the multi-medium data bag the received rear broadcasting of being recombinated, decode, realizes the screen display of mobile terminal is undertaken by display terminal the service of mirror image demonstration.
Preferably, after mobile terminal sends the multi-medium data bag, further comprising the steps of:
Receive the success message that display terminal returns, upgrade interactive interface.
After display terminal receives the multi-medium data bag, whether the processing of being recombinated, decode, playing, simultaneously, detect and play successfully, successfully returns if play and play message to mobile terminal, and mobile terminal is according to the broadcasting information updating interactive interface received.As, exit current linkage interface, return to main interface etc., but in order to provide user's operation interface.
Above-mentioned preferred embodiment, connect by simple terminal, realizes the mutual of terminal room, and the user only needs a key to trigger connection, has promoted and has controlled Experience Degree.
The structural representation of a kind of display terminal that Fig. 2 provides for the embodiment of the present invention.As shown in the figure, display terminal 2 comprises:
Access module 20: for accessing the network at mobile terminal place.
Concrete, can pass through the wired connection mode, be linked into the switch that mobile terminal accesses, or, by the wireless connections mode, be linked into the AP(Access Point that mobile terminal accesses, access points).
Sending module 21, for sending broadcast or multicast packet, described packet comprises the connection attribute of described display terminal.
After access module 20 successfully accesses, continue to send broadcast or multicast packet in current network.Concrete, connection attribute comprises address and the port of display terminal, can also comprise state information, as the display terminal service of whether opening or no occupied message identification, so that mobile terminal is identified attachable display terminal according to state information.Certainly, can also comprise terminal iidentification, so that mobile terminal is identified the display terminal of Service Matching accurately, fast.
The first receiver module 22, for receiving service order, described service order comprises RTSP address of service and the port of mobile terminal.
Concrete, link block 23 is initiated the RTSP connection request according to service order to mobile terminal, and after both sides carry out parameter negotiation, display terminal 2 can connect by RTSP the multi-medium data of mobile terminal receive transmission.
Preferably, this display terminal also comprises:
The second receiver module, the multi-medium data bag sent for mobile terminal receive, carry out playback process for playing module.
Whether feedback module, play successfully for detection of playing module, if return and play message to mobile terminal.
A kind of display terminal that the embodiment of the present invention provides, network by access mobile terminal place, send the connection attribute of this terminal in the mode of broadcast or multicast, know the display terminal of place network unlatching service for mobile terminal, when mobile terminal need to be used service, can the service order of mobile terminal be sent to corresponding display terminal according to the broadcast data received, so that display terminal is direct and mobile terminal connects, simplify the terminal connection procedure, and then promoted user experience.Simultaneously, this scheme is lower to the hardware requirement of terminal, and is not limited to wireless network, also can include spider lines, can reach to connect into that power is high, the effect of strong anti-interference performance.
The structural representation of a kind of mobile terminal that Fig. 3 provides for the embodiment of the present invention.As shown in the figure, mobile terminal 3 comprises:
The first receiving element 30, the broadcast or the multicast packet that for the display terminal be received in consolidated network, send, described packet comprises the connection attribute of display terminal.
Concrete, connection attribute comprises address and the port of display terminal, can also comprise state information, as the display terminal service of whether opening or no occupied message identification, so that mobile terminal is identified attachable display terminal according to state information.Certainly, can also comprise terminal iidentification, so that mobile terminal is identified the display terminal of Service Matching accurately, fast.
The second receiving element 31, for receiving triggering command.
The first transmitting element 32, for according to triggering command and packet, to display terminal, sending service order, wherein, service order comprises RTSP address of service and the port of mobile terminal.
Preferably, this terminal also comprises:
Acquiring unit: show and voice data for grasping system, and be encoded into the multi-medium data bag.
The second transmitting element, for by the UDP mode, the multi-medium data bag being sent to display terminal, carry out playback process for display terminal.
Updating block, the broadcasting message of returning for receiving display terminal, upgrade interactive interface.
Due to the terminal principle, corresponding to the principle in said method embodiment, do not repeat them here.
A kind of mobile terminal that the embodiment of the present invention provides, the connection attribute sent by the display terminal received in consolidated network, know the display terminal of place network unlatching service, when mobile terminal need to be used service, can the service order of mobile terminal be sent to corresponding display terminal according to the packet received, so that display terminal is direct and mobile terminal connects, simplified the terminal connection procedure, make terminal connect more convenient, quick, reliable, the user only needs to trigger and connect by a key, has promoted user experience.
The present invention also provides the optimization system of a kind of Wifi Display, comprises above-mentioned any described display terminal and mobile terminal.
Because this system principle is consistent with above-mentioned Method And Principle, do not repeat them here.
These are only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. the optimization method of a Wifi Display, is characterized in that, comprising:
A1, mobile terminal are received in broadcast or the multicast packet that the display terminal in consolidated network sends, and described packet comprises the connection attribute of described display terminal;
A2, reception triggering command;
A3, according to described triggering command and described packet, to display terminal, send service order, described service order comprises RTSP address of service and the port of mobile terminal;
A4, set up RTSP according to the connection request of described display terminal and connect.
2. the method for claim 1, is characterized in that, described packet also comprise display terminal state information and or identification information.
3. the method for claim 1, is characterized in that, after described steps A 4, also comprises:
A5, grasping system show and voice data, and are encoded into the multi-medium data bag;
A6, by the UDP mode, described multi-medium data bag is sent to described display terminal, for display terminal, carries out playback process.
4. method as claimed in claim 3, is characterized in that, after described steps A 6, also comprises:
A7, receive the broadcasting message that described display terminal returns, upgrade interactive interface.
5. a display terminal, is characterized in that, described terminal comprises:
Access module, for accessing mobile terminal place network;
Sending module, for sending broadcast or multicast packet, described packet comprises the connection attribute of described display terminal;
The first receiver module, for receiving service order, described service order comprises RTSP address of service and the port of mobile terminal;
Link block, for setting up and be connected with the RTSP of described mobile terminal according to described service order.
6. terminal as claimed in claim 5, is characterized in that, also comprises:
The second receiver module, the multi-medium data bag sent for receiving described mobile terminal, carry out playback process for playing module.
7. a mobile terminal, is characterized in that, described terminal comprises:
The first receiving element, the broadcast or the multicast packet that for the display terminal be received in consolidated network, send, described packet comprises the connection attribute of described display terminal;
The second receiving element, for receiving triggering command;
The first transmitting element, for according to described triggering command and described packet, to display terminal, sending service order, described service order comprises RTSP address of service and the port of mobile terminal;
Linkage unit, set up RTSP for the connection request according to described display terminal and connect.
8. terminal as claimed in claim 7, is characterized in that, also comprises:
Acquiring unit, show and voice data for grasping system, and be encoded into the multi-medium data bag;
The second transmitting element, for by the UDP mode, described multi-medium data bag being sent to described display terminal, carry out playback process for described display terminal.
9. terminal as claimed in claim 8, is characterized in that, also comprises:
Updating block, the broadcasting message of returning for receiving described display terminal, upgrade interactive interface.
10. the optimization system of a Wifi Display, is characterized in that, comprises that display terminal as described as claim 5 or 6 reaches as the described mobile terminal of claim 7-9 any one.
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| CN2013103842416A CN103442381A (en) | 2013-08-29 | 2013-08-29 | Optimizing method, terminal and system of Wifi display |
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| CN104092769A (en) * | 2014-07-22 | 2014-10-08 | Tcl通讯（宁波）有限公司 | WiFi point-to-point data transmission method and system |
| CN104918131A (en) * | 2014-03-10 | 2015-09-16 | 海尔集团公司 | Method, terminal and receiving equipment for establishing mirroring screen content transmission |
| CN106416280A (en) * | 2014-05-28 | 2017-02-15 | 高通股份有限公司 | Media agnostic display for WI-FI display |
| CN106757975A (en) * | 2016-12-29 | 2017-05-31 | 无锡小天鹅股份有限公司 | Control method for washing machine, control terminal and washing machine |
| CN109587712A (en) * | 2018-11-23 | 2019-04-05 | 南京极域信息科技有限公司 | A kind of WiFi-Display performance optimization method |
| CN112350901A (en) * | 2020-10-19 | 2021-02-09 | 珠海格力电器股份有限公司 | Device control method, storage medium, mobile terminal, and electronic device |
| CN113099438A (en) * | 2021-03-25 | 2021-07-09 | 深圳市铭博达科技有限公司 | Wireless screen mirroring method and device based on IP network connection |
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| CN113099438A (en) * | 2021-03-25 | 2021-07-09 | 深圳市铭博达科技有限公司 | Wireless screen mirroring method and device based on IP network connection |
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Application publication date: 20131211 |