CN105992014A - Method of projecting image data and apparatus thereof, sending terminal and receiving terminal - Google Patents
Method of projecting image data and apparatus thereof, sending terminal and receiving terminal Download PDFInfo
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- CN105992014A CN105992014A CN201510071286.7A CN201510071286A CN105992014A CN 105992014 A CN105992014 A CN 105992014A CN 201510071286 A CN201510071286 A CN 201510071286A CN 105992014 A CN105992014 A CN 105992014A
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Abstract
The invention provides a method of projecting image data and an apparatus thereof, a sending terminal and a receiving terminal and relates to the communication field. The method, which is applied to the sending terminal, comprises the following steps that after the sending terminal and the receiving terminal establish one screen session, when transmitting a static picture to the receiving terminal, the sending terminal and the receiving terminal establish a wireless connection channel; and the sending terminal transmits static picture data to the receiving terminal through the wireless connection channel so that the receiving terminal decodes and displays the static picture. In the scheme of the invention, through establishing static-picture one screen sharing wireless connection channel, smooth playing of the static picture on the receiving terminal is realized and a wireless projection effect is improved.
Description
Technical field
The present invention relates to the communications field, particularly relate to a kind of method of projecting image data, device, transmitting terminal
And receiving terminal.
Background technology
As mobile terminal develops rapidly, wireless with screen share this emerging application also become at present mobile eventually
Active demand on end, industry provides multiple technologies scheme, include WiFi (Wireless Fidelity,
Wireless Fidelity) alliance release WFD (Wireless Fidelity Display, cross-platform wireless connection) skill
Art, the leading radio play Ariplay technology of apple, the scheme such as DLNA DLAN technology.
Wherein WFD is the most gigantic and vigorous, and WFD technology has been widely used for every field, Qi Zhongyi now
The classical application of individual comparison is wireless display.With recent years projector education, commercial affairs, government department
Increasingly extensive etc. the application of industry, and wireless display technology also just receives the concern of people, but wireless biography
Defeated being limited to the network bandwidth, if being wirelessly transferred larger flow file, arising that image gets stuck and postpones existing
As.As 4.2 up-to-date systems of Android have been supported wireless with screen Miracast agreement, mobile terminal
Also day by day strong with the interconnection needs of Wireless projector, many mobile terminals as the wireless originating end with screen,
Can facilitate and support that the miracast projecting apparatus put that spreads connects easily.
But, existing miracast agreement is screen mirror image function completely, does not differentiates between current mirror image itself
Content, for the media data (such as lantern slide, the literary composition of the type such as static images that refresh screen without frequent
Part) be by the acquisition of on-screen data equally after encode, typically use the streams such as H264, M-JPEG
Media formats, then and sends the data after coding to receiving terminal, and receiving terminal receives these files in stream media
After be decoded operation, then decoded file is play on receiving device.Due to H264,
The stream medium data amount of the forms such as M-JPEG is bigger, and receiving device is also required to decode broadcasting in good time,
Often result in the smoothness not that receiving terminal is play, affect the effect of wireless display.Meanwhile, also result in and compare
Higher network overhead, limits the use in wireless display field for the miracast.
Content of the invention
It is an object of the invention to provide method, device, transmitting terminal and the receiving terminal of a kind of projecting image data,
By radio link channel, carry out lasting Streaming Media biography when projection static picture without the frequent screen that refreshes
Defeated, the smooth playing of static images can be realized, promote wireless display effect.
For reaching above-mentioned purpose, embodiments of the invention provide a kind of method of projecting image data, are applied to
Transmitting terminal, comprising:
After transmitting terminal and receiving terminal are set up with screen session, when transmitting terminal transmits static images to receiving terminal, with
Receiving terminal sets up a radio link channel；
Transmitting terminal passes through described radio link channel, and transmission static images data, to receiving terminal, make receiving terminal solution
Code simultaneously shows described static images.
Wherein, transmitting terminal and receiving terminal are set up and are included with the process of screen session:
Transmitting terminal sends equipment discovery request message to receiving terminal；
Transmitting terminal with receiving terminal complete equipment discovery after, with receiving terminal complete service discovery, connection establishment,
Capability negotiation, session establishment, data transmission and session complete mutual after, with receiving terminal set up with screen meeting
Words.
Wherein, the process setting up a radio link channel with receiving terminal includes:
After transmitting terminal gets static images transmission instruction, sending negotiation request message to receiving terminal, request connects
Receiving end stops video data decoding；Wherein, described negotiation request message includes: the base of static images to be sent
This parameter；
After transmitting terminal receives the negotiation request-reply message that receiving terminal returns, according to described negotiation request-reply
The Internet protocol address determining in the connectivity port number of receiving terminal and the same screen session set up in message,
Set up the radio link channel between transmitting terminal and receiving terminal；Wherein, described negotiation request-reply message includes:
The basic parameter of the static images that receiving terminal can be supported.
Wherein, transmitting terminal passes through described radio link channel, and transmission static images data are to the process of receiving terminal
Including:
Increase data packet head in the packet of static images data to be sent；Described data packet head includes: number
According to the sequence number of bag, the number of a pictures conceptual data bag, the numbering of transmission picture, transmit image data
Compressed format, the resolution ratio of image data and verification data；
By described radio link channel, transmission has the static images data of described data packet head to receiving terminal.
Wherein, transmitting terminal passes through described radio link channel, and transmission static images data are gone back to after receiving terminal
Including:
After getting common transmission instruction, terminate the transmission of static images data；
Send radio link channel dismounting to ask to receiving terminal, make the wireless connection between transmitting terminal and receiving terminal
Passage is removed.
Wherein, described static images transmits instruction is that user operation triggers or detects that content to be transmitted is quiet
Automatically trigger during state picture.
For reaching above-mentioned purpose, embodiments of the invention additionally provide the device of a kind of projecting image data, should
For transmitting terminal, comprising:
First connection establishment module, after setting up with screen session for transmitting terminal and receiving terminal, transmitting terminal transmission
When static images is to receiving terminal, set up a radio link channel with receiving terminal；
Transport module, passes through described radio link channel for transmitting terminal, and transmission static images data are given and received
End, makes receiving terminal decode and shows described transmission static images.
Wherein, described first connection establishment module includes:
First transmission submodule, sends equipment discovery request message for transmitting terminal to receiving terminal；
First with screen session establishment submodule, for transmitting terminal after completing equipment discovery with receiving terminal, with
It is complete that receiving terminal completes service discovery, connection establishment, capability negotiation, session establishment, data transmission and session
Become mutual after, with receiving terminal set up with screen session.
Wherein, described first connection establishment module includes:
Second transmission submodule, after getting static images transmission instruction for transmitting terminal, sends to receiving terminal
Negotiation request message, request receiving terminal stops video data decoding；Wherein, described negotiation request message includes:
The basic parameter of static images to be sent；
Radio link channel sets up submodule, receives, for transmitting terminal, the negotiation request-reply that receiving terminal returns
After message, according to the described connectivity port number consulting receiving terminal in request-reply message and the same screen set up
The Internet protocol address determining in session, sets up the radio link channel between transmitting terminal and receiving terminal；Its
In, described negotiation request-reply message includes: receive the basic parameter of the static images that terminal can be supported.
Wherein, described transport module includes:
Process submodule, for increasing data packet head in the packet of static images data to be sent；Described
Data packet head includes: the sequence number of packet, the number of a pictures conceptual data bag, the volume of transmission picture
Number, the compressed format of transmission image data, the resolution ratio of image data and verification data；
Transmission submodule, for by described radio link channel, transmission has the static state of described data packet head
Image data is to receiving terminal.
Wherein, described device also includes:
Send and terminate module, for, after getting common transmission instruction, terminating the transmission of static images data；
Radio link channel removes module, is used for sending radio link channel dismounting and asks to receiving terminal, makes to send out
Radio link channel between sending end and receiving terminal is removed.
For reaching above-mentioned purpose, embodiments of the invention additionally provide a kind of method of projecting image data, should
For receiving terminal, comprising:
After receiving terminal and transmitting terminal are set up with screen session, during the static images that receiving terminal receiving end/sending end transmits,
Set up a radio link channel with transmitting terminal；
Receiving terminal passes through described radio link channel, and the static images data of receiving end/sending end transmission, decoding is simultaneously
Show described static images.
Wherein, receiving terminal and transmitting terminal are set up and are included with the process of screen session:
Receiving terminal, after receiving the equipment discovery request message that transmitting terminal sends, returns to described transmitting terminal and sets
The existing request-reply message of preparation；
Receiving terminal with transmitting terminal complete equipment discovery after, with transmitting terminal complete service discovery, connection establishment,
Capability negotiation, session establishment, data transmission and session complete mutual after, with transmitting terminal set up with screen meeting
Words.
Wherein, the process setting up a radio link channel with transmitting terminal includes:
After receiving terminal receives the negotiation request message that transmitting terminal sends, stop video data decoding, to transmission
End returns consults request-reply message；Wherein, described negotiation request message includes: static images to be sent
Basic parameter；Described negotiation request-reply message includes: the base of the static images that described receiving terminal can be supported
This parameter and the connectivity port number of described receiving terminal.
Wherein, the packet of the static images data receiving adds data packet head, described data packet head
Including: the sequence number of packet, the number of a pictures conceptual data bag, the numbering of transmission picture, transmission
The compressed format of image data, the resolution ratio of image data and verification data.
Wherein, receiving terminal passes through described radio link channel, the static images data that receiving end/sending end transmits,
Decode and show that the process of described static images includes:
By described radio link channel, the static images with described data packet head of receiving end/sending end transmission
Data；
According to described data packet head, to static images decoding data and show described static images.
Wherein, receiving terminal passes through described radio link channel, the static images data that receiving end/sending end transmits,
Also include after decoding and showing described static images:
Receive transmitting terminal send radio link channel remove request after, terminate static images data reception,
Decoding and display.
For reaching above-mentioned purpose, embodiments of the invention additionally provide the device of a kind of projecting image data, should
For receiving terminal, comprising:
Second connection establishment module, after setting up with screen session for receiving terminal and transmitting terminal, receiving terminal receives
During the static images that transmitting terminal transmits, set up a radio link channel with transmitting terminal；
Receiver module, passes through described radio link channel, the static map of receiving end/sending end transmission for receiving terminal
Piece data, decode and show described static images.
Wherein, described second connection establishment module includes:
3rd transmission submodule, for receiving terminal after receiving the equipment discovery request message that transmitting terminal sends,
Find request-reply message to described transmitting terminal returning equipment；
Second with screen session establishment submodule, for receiving terminal after completing equipment discovery with transmitting terminal, with
It is complete that transmitting terminal completes service discovery, connection establishment, capability negotiation, session establishment, data transmission and session
Become mutual after, with transmitting terminal set up with screen session.
Wherein, described second connection establishment module includes:
4th transmission submodule, after receiving, for receiving terminal, the negotiation request message that transmitting terminal sends, stops
Video data decoding, returns to transmitting terminal and consults request-reply message；Wherein, described negotiation request message bag
Include: the basic parameter of static images to be sent；Described negotiation request-reply message includes: described receiving terminal energy
The basic parameter of enough static images supported and the connectivity port number of described receiving terminal.
Wherein, the packet of the static images data receiving adds data packet head, described data packet head
Including: the sequence number of packet, the number of a pictures conceptual data bag, the numbering of transmission picture, transmission
The compressed format of image data, the resolution ratio of image data and verification data.
Wherein, described receiver module includes:
Receiving submodule, for by described radio link channel, what receiving end/sending end transmitted has described number
Static images data according to packet header；
Decoding and display sub-module, be used for according to described data packet head, to static images decoding data simultaneously
Show described static images.
Wherein, described device also includes:
Receive, decode and display termination module, for receiving the radio link channel dismounting that transmitting terminal sends
After request, terminate reception, decoding and the display of static images data.
For reaching above-mentioned purpose, embodiments of the invention additionally provide the transmitting terminal of a kind of projecting image data,
Including be applied to the device of the projecting image data of transmitting terminal as above.
For reaching above-mentioned purpose, embodiments of the invention additionally provide the receiving terminal of a kind of projecting image data,
Including be applied to the device of the projecting image data of receiving terminal as above.
Having the beneficial effect that of the technique scheme of the present invention:
The method of the projecting image data of the embodiment of the present invention, after transmitting terminal and receiving terminal are set up with screen session,
When transmitting terminal transmits static images to receiving terminal, a radio link channel can be set up with receiving terminal, then, logical
Cross this radio link channel transmission static images data.The method, can not only realize the same screen of video data
Share, and when this kind of data of static images shared by needs, be switched to static data transmitting scene, pass through
Set up the radio link channel that static images is shared with screen, it is not necessary to by transmitting static images with screen session,
Achieve the smooth playing at receiving terminal for the static images, promote wireless display effect, simultaneously, it is to avoid frequently
Refreshing screen real-time Data Transmission processes the network bandwidth expense etc. causing and consumes excessively.
Brief description
Fig. 1 represents the existing protocol architecture figure shared with screen and realize transmitting terminal and terminal；
Fig. 2 represents the step signal of the method for the projecting image data for transmitting terminal of the embodiment of the present invention
Figure；
Fig. 3 represents the concrete steps of the method for the projecting image data for transmitting terminal of the embodiment of the present invention
Schematic diagram；
Fig. 4 represents the application signal of the method for the projecting image data for transmitting terminal of the embodiment of the present invention
Figure；
Fig. 5 represents the step signal of the method for the projecting image data for receiving terminal of the embodiment of the present invention
Figure；
Fig. 6 represents the structural representation of the device of the projecting image data for transmitting terminal of the embodiment of the present invention
Figure；
Fig. 7 represents the structural representation of the device of the projecting image data for receiving terminal of the embodiment of the present invention
Figure.
Detailed description of the invention
For making the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with attached
Figure and specific embodiment are described in detail.
The present invention is directed to existing is screen mirror image function completely with screen technology of sharing, does not differentiates between current mirror image
The content of itself, is carried out after the acquisition carrying out on-screen data to the media data without frequent refreshing screen equally
The operations such as coding, protocol architecture figure as shown in Figure 1, thus cause without the frequent matchmaker refreshing screen
Volume data static images to decode broadcasting at receiving terminal in good time, causes the not smooth of broadcasting, and affects wireless throwing
The problem of the effect of shadow, provides a kind of method of projecting image data, when projection static picture without frequently
Refresh screen and carry out lasting streaming media, it is achieved the smooth playing of static images, promote wireless display effect
Really.
It as in figure 2 it is shown, the method for a kind of projecting image data of the embodiment of the present invention, is applied to transmitting terminal,
Including:
Step 11, after transmitting terminal and receiving terminal are set up with screen session, transmitting terminal transmission static images is connect
During receiving end, set up a radio link channel with receiving terminal；
Step 12, transmitting terminal pass through described radio link channel, transmission static images data to receiving terminal,
Make receiving terminal decode and show described static images.
The basis shared with screen with screen session, video data (including voice data) needs at transmitting terminal and
Between receiving terminal set up with screen session, set up the connection of transmitting terminal and receiving terminal, could receiving terminal realize and
The Display on the same screen of transmitting terminal.Owing to can carry out lasting data transmission during with screen session, transmitting terminal frequently refreshes
The data of screen carry out coding etc. and process after carrying out data acquisition, so, receiving terminal will after receiving data
Decoding in good time is play, then, for static images and similar media data, if used with screen
Session completes data transmission, there will be the slack problem of broadcasting at receiving terminal.
Therefore, in embodiments of the present invention, with the representative that static images is this type of media data, such as above-mentioned step
Rapid 11, after transmitting terminal and receiving terminal are set up with screen session, when transmitting terminal transmits static images to receiving terminal,
A radio link channel, then, such as step 12 can be set up with receiving terminal, be passed by this radio link channel
Defeated static images data.The method of the projecting image data of the embodiment of the present invention, can not only realize video counts
According to same screen share, and needs share this kind of data of static images when, be switched to static data transmission field
Scape, by setting up the radio link channel that static images is shared with screen, it is not necessary to by transmitting quiet with screen session
State picture, it is achieved that static images, in the smooth playing of receiving terminal, promotes wireless display effect, keeps away meanwhile
Exempt from frequent refreshing screen real-time Data Transmission to process the network bandwidth expense etc. that causes and consume excessively.
Certainly, the method for the projecting image data of the embodiment of the present invention also applies to similar with static images
One class media data, will not enumerate at this.
As shown in the above, first have to set up with screen session.As it is shown on figure 3, in step 11, send
End and receiving terminal are set up and are included with the process of screen session:
Step 111, transmitting terminal sends equipment discovery request message to receiving terminal；
Step 112, transmitting terminal with receiving terminal complete equipment discovery after, with receiving terminal complete service discovery,
Connection establishment, capability negotiation, session establishment, data transmission and session complete mutual after, with receiving terminal
Set up with screen session.
According to above-mentioned steps the 111st, 112, transmitting terminal first has to complete equipment discovery, and the equipment discovery of transmission please
Seek message, after receiving terminal receives this equipment discovery request message, can be to the discovery request of transmitting terminal returning equipment
Response message, just can receive the equipment discovery request-reply message that receiving terminal returns subsequently.Afterwards, send out
Sending end and receiving terminal complete service discovery, connection establishment, capability negotiation, session establishment, data transmission and
Session complete mutual after, with receiving terminal set up with screen session.Shield session by this together, it is possible to achieve video
The same screen of data is shared.
After setting up with screen session, it is possible to achieve the same screen of video data is shared, but, owing to foregoing can
Know, be the media data of inapplicable static images one class with screen session, therefore, on the basis of above-described embodiment,
The method of the projecting image data of the embodiment of the present invention, in step 11, sets up a wireless connection with receiving terminal
The process of passage includes:
Step 113, after transmitting terminal gets static images transmission instruction, sends negotiation request to receiving terminal and disappears
Breath, request receiving terminal stops video data decoding；Wherein, described negotiation request message includes: to be sent quiet
The basic parameter of state picture；
Step 114, after transmitting terminal receives the negotiation request-reply message that receiving terminal returns, according to described association
The interconnection determining in the connectivity port number of receiving terminal and the same screen session set up in business's request-reply message
FidonetFido address, sets up the radio link channel between transmitting terminal and receiving terminal；Wherein, described negotiation is asked
Response message includes: the basic parameter of the static images that receiving terminal can be supported.
Owing to radio link channel just needs when this kind of media data of static images shared by needs to use,
So, static images to be got transmits instruction, shows currently to prepare to transmit static images, needs to be switched to
Static data transmitting scene, sets up radio link channel.Such as step 113, transmitting terminal gets static images
After transmitting instruction, sending negotiation request message to receiving terminal, request receiving terminal stops video data decoding.Send out
Sending end transmission negotiation request message, to receiving terminal, is notified that receiving terminal does the standard of switching static data transmitting scene
Standby, stop video data decoding receiving terminal, receiving terminal is ready to complete, and returns transmitting terminal negotiation request-reply and disappears
Breath.This negotiation request message includes basic parameter such as picture format, the resolution ratio etc. of static images to be sent,
Another object is that the relevant parameter asking whether to support static images to be sent to receiving terminal, simultaneously also to reception
Radio link channel, the connectivity port number of inquiry receiving terminal are set up in end initiation.
Afterwards, such as step 114, after receiving the negotiation request-reply message that receiving terminal returns, according to negotiation
The internet determining in the connectivity port number of receiving terminal and the same screen session set up in request-reply message
Protocol IP address, sets up the radio link channel between transmitting terminal and receiving terminal.This negotiation request-reply disappears
Breath can carry the connectivity port number that receiving terminal receives transmission, and it is to be understood that set up wireless connection and lead to
Road such as UDP UDP interface channel, except the connectivity port number that need to know receiving terminal, in addition it is also necessary to
IP address, owing to having been set up with shielding WDF session before, can be from the data message of WDF session
Unit WFD IE gets, this IP address can be directly obtained, also can lead to as not being directly obtained
Cross after getting MAC Address indirect reference to this IP address.
And this negotiation request-reply message also includes: the basic parameter of the static images that receiving terminal can be supported,
Informing transmitting terminal, so, transmitting terminal recognizes the ability of receiving terminal in advance, can not support for receiving terminal
Static images remind user it is adjusted send, reduce transmission, display when error situation.
It should be appreciated that receiving terminal only possesses the decoding capability of static images one class media data, and connect
Receiving end is set up radio link channel and is just had meaning, therefore, before setting up radio link channel, and transmitting terminal
Receive static data decoding capability by query messages inquire-receive end, reply inquiry request response message at receiving terminal,
Ability meets when requiring, performs above-mentioned steps 113 and 114.
It should also be understood that, in embodiments of the present invention, it is user operation that described static images transmits instruction
That trigger or detect and automatically trigger when transmitting content and be static images.
User directly select static images transmit operation trigger this static images transmit instruction, it is also possible to be
Detecting what transmission data triggered when being static images automatically, certainly, other suitable triggering situation are also at this
The protection domain of invention, numerous to list herein.Radio link channel can carry out static map after being successfully established
The transmission of piece, it is well known that, in the data transmission, transmit again after often data being packed,
In embodiments of the invention, processing packet for the ease of receiving terminal, step 12 includes:
Step 121, increases data packet head in the packet of static images data to be sent；Described packet
Head includes: the sequence number of packet, the number of a pictures conceptual data bag, the numbering of transmission picture, passes
The compressed format of defeated image data, the resolution ratio of image data and verification data；
Step 122, by described radio link channel, transmission has the static images number of described data packet head
According to receiving terminal.
First, such as step 121, increase in transmitting terminal is to packet and include the sequence number of packet, one
The number of picture conceptual data bag, the numbering of transmission picture, the compressed format of transmission image data, picture number
According to resolution ratio and verification data data packet head.So, by knowing the sequence number of packet, one
The number of picture conceptual data bag, the numbering of transmission picture, receiving terminal can decide whether all to receive and sends out
Sending end transmission packet, be certainly included in certain image data bigger when, by multiple packets complete data pass
When defeated, if receive the judgement of entire packet；By knowing compressed format and the check number of image data
According to receiving terminal can complete decompression and verification；By knowing the resolution ratio of image data, receiving can be right
Should the display that carry out static images etc..
After adding data packet head in the packet, it is possible to press step 122, will there is the quiet of data packet head
State image data is transmitted to receiving terminal by radio link channel.
It should be appreciated that for various reasons in data transmission procedure, often occur packet in transmission
The problem of middle loss, thus cause receiving terminal cannot receive complete data, it is achieved expected image shows,
Therefore, on the basis of above-described embodiment, in the embodiment of the present invention, send out at first passage radio link channel
Sending static images data to receiving after terminal, secondary sends static images data to receiving terminal.So, connect
Receiving end is after secondary receives packet, according to information inspection in data packet head, if current data packet is first
Be successfully decoded after reception, then discardable, if the not success of decoding first, then decodable code secondary reception arrives
This packet, preferably ensure that the transmission quality of data.Certainly, it is possible to pass three times or more
Defeated, it is preferably embodied as transmitting twice.
After static images is transmitted, during the transmission of video data to be carried out, it is necessary to switch over, at this
In inventive embodiments, also include after step 12:
Step 13, after getting common transmission instruction, terminates the transmission of static images data；
Step 14, sends radio link channel dismounting and asks to receiving terminal, make between transmitting terminal and receiving terminal
Radio link channel remove.
By step 13 and 14, after getting common transmission instruction, terminate the transmission of static images data,
Switch back into video scene, then, send radio link channel dismounting and ask to receiving terminal, make transmitting terminal and connect
Radio link channel between receiving end is removed, after receiving terminal receives the dismounting request of this radio link channel, eventually
Only reception, decoding and the display of static images data, switches to video flowing with screen pattern, transmitting terminal and reception
End is by with screen session transmissions video data.
The message of foregoing can be by sharing the RTSP (Real of Wi-Fi Disply extension to wireless connection
Time Streaming Protocol, real-time stream media protocol) realization of M3/M4/M15 message, design parameter is fixed
Justice is as shown in the table:
Illustrate the method for projecting image data of the embodiment of the present invention in transmitting terminal and reception below in conjunction with Fig. 4
Apply between end:
Initially setting up the basis between transmitting terminal with receiving terminal and being connected with screen session, transmitting terminal sends to receiving terminal
Equipment discovery request message, such as S401；After receiving terminal receives equipment discovery request message, can be to transmission
End returning equipment discovery request-reply message, such as S402.By equipment discovery request message and equipment discovery
Request-reply interacting message realizes that equipment finds.Afterwards, complete between transmitting terminal and receiving terminal service discovery,
Connection establishment, capability negotiation, session establishment, data transmission and session complete mutual after, finally set up
Same screen session between transmitting terminal and receiving terminal, the same screen that can carry out video data is shared.
When transmitting terminal gets static images transmission instruction, illustrate that current preparation transmits static images, need to cut
Change to static data transmitting scene, set up radio link channel.Then, transmitting terminal sends to receiving terminal and consults
Request message, stops video data decoding to receiving terminal, asks whether to support the related of static images to be sent
Parameter, also initiates to set up radio link channel to receiving terminal simultaneously, inquires the connectivity port number of receiving terminal, as
S403；Receiving terminal returns consults request-reply message, informs connectivity port number and the energy of transmitting terminal receiving terminal
The basic parameter of enough static images supported, such as S404.Consult between transmitting terminal and receiving terminal to complete, send out
Sending end is according in the connectivity port number consulting receiving terminal in request-reply message and the same screen session set up
The internet protocol address determining, sets up the radio link channel between transmitting terminal and receiving terminal.
Transmitting terminal, to sent increasing data packet head in the packet of static images data, passes through wireless connection
Passage, the static images data that transmission has data packet head are docked to receiving terminal, receiving terminal according to data packet head
The decoded packet data that receives simultaneously shows static images.
Transmitting terminal gets common when transmitting instruction, illustrates currently to prepare transmitting video data, needs to switch back into
Video scene, subsequently, transmitting terminal sends radio link channel dismounting and asks to receiving terminal, such as S405, connects
After receiving end receives the dismounting request of this radio link channel, terminate reception, the decoding of static images data and show
Show, switch to video flowing and shield session transmissions video data with screen pattern, transmitting terminal and receiving terminal by same.
Certainly, also have the mutual of some other message not show in the drawings, such as: transmitting terminal with receiving terminal
Static data decoding capability can be received by query messages inquire-receive end before setting up radio link channel, connect
Receiving end replys inquiry request response message, and ability carries out radio link channel after meeting requirement and sets up process.
In sum, the method for the projecting image data of embodiments of the invention, can not only realize video counts
According to same screen share, and needs share this kind of data of static images when, be switched to static data transmission field
Scape, by setting up the radio link channel that static images is shared with screen, it is not necessary to by transmitting quiet with screen session
State picture, reduces the expense in sharing with screen, it is achieved that static images, in the smooth playing of receiving terminal, promotes
Wireless display effect, simultaneously, it is to avoid frequent refreshing screen real-time Data Transmission processes the network bandwidth causing
Expenses etc. consume excessively.After transmitting terminal is consulted with receiving terminal, can conveniently transmit different-format picture, altogether
Dynamically can change according to the situation of network condition and terminal device itself during enjoying.
It as it is shown in figure 5, embodiments of the invention additionally provide a kind of method of projecting image data, is applied to
Receiving terminal, comprising:
Step 21, after receiving terminal and transmitting terminal are set up with screen session, receiving terminal receiving end/sending end transmits
During static images, set up a radio link channel with transmitting terminal；
Step 22, receiving terminal passes through described radio link channel, the static images number of receiving end/sending end transmission
According to decoding and show described static images.
Wherein, in step 21, receiving terminal and transmitting terminal are set up and are included with the process of screen session:
Step 211, receiving terminal is after receiving the equipment discovery request message that transmitting terminal sends, to described
Sending end returning equipment finds request-reply message；
Step 212, receiving terminal with transmitting terminal complete equipment discovery after, with transmitting terminal complete service discovery,
Connection establishment, capability negotiation, session establishment, data transmission and session complete mutual after, with transmitting terminal
Set up with screen session.
Wherein, in step 21, the process setting up a radio link channel with transmitting terminal includes:
Step 213, after receiving terminal receives the negotiation request message that transmitting terminal sends, stops video data solution
Code, returns to transmitting terminal and consults request-reply message；Wherein, described negotiation request message includes: to be sent
The basic parameter of static images；Described negotiation request-reply message includes: it is quiet that described receiving terminal can be supported
The basic parameter of state picture and the connectivity port number of described receiving terminal.
Wherein, the packet of the static images data receiving adds data packet head, described data packet head
Including: the sequence number of packet, the number of a pictures conceptual data bag, the numbering of transmission picture, transmission
The compressed format of image data, the resolution ratio of image data and verification data.
Wherein, step 22 includes:
Step 221, by described radio link channel, what receiving end/sending end transmitted has described data packet head
Static images data；
Step 222, according to described data packet head, to static images decoding data and show described static state
Picture.
Wherein, also include after step 22:
Step 23, after receiving the radio link channel dismounting request that transmitting terminal sends, terminates static images
The reception of data, decoding and display.
Wherein, described static images transmits instruction is that user operation triggers or detects that content to be transmitted is quiet
Automatically trigger during state picture.
In sum, the method for the projecting image data of embodiments of the invention, is applied to receiving terminal, not only
The same screen being capable of video data is shared, and when this kind of data of static images shared by needs, is switched to
Static data transmitting scene, by setting up the static images radio link channel that screen is shared together, it is not necessary to by together
Static images is transmitted in screen session, reduces the expense in sharing with screen, it is achieved that static images is at receiving terminal
Smooth playing, promotes wireless display effect, simultaneously, it is to avoid frequent refreshing screen real-time Data Transmission process
The network bandwidth expense etc. causing consumes excessively.After transmitting terminal is consulted with receiving terminal, can conveniently transmit difference
Format picture, dynamically can change according to the situation of network condition and terminal device itself in shared procedure.
It should be noted that the method is relative for the above-mentioned method for the projecting image data of transmitting terminal
The method of receiving terminal, the above-mentioned implementation for the method for the projecting image data of transmitting terminal is applicable to the party
Method, also can reach identical technique effect.
As shown in Figure 6, embodiments of the invention additionally provide the device of a kind of projecting image data, are applied to
Transmitting terminal, comprising:
First connection establishment module 60, after setting up with screen session for transmitting terminal and receiving terminal, transmitting terminal
When transmitting static images to receiving terminal, set up a radio link channel with receiving terminal；
Transport module 61, passes through described radio link channel for transmitting terminal, and transmission static images data are given
Receiving terminal, makes receiving terminal decode and shows described transmission static images.
Wherein, described first connection establishment module includes:
First transmission submodule, sends equipment discovery request message for transmitting terminal to receiving terminal；
First with screen session establishment submodule, for transmitting terminal after completing equipment discovery with receiving terminal, with
It is complete that receiving terminal completes service discovery, connection establishment, capability negotiation, session establishment, data transmission and session
Become mutual after, with receiving terminal set up with screen session.
Wherein, described first connection establishment module includes:
Second transmission submodule, after getting static images transmission instruction for transmitting terminal, sends to receiving terminal
Negotiation request message, request receiving terminal stops video data decoding；Wherein, described negotiation request message includes:
The basic parameter of static images to be sent；
Radio link channel sets up submodule, receives, for transmitting terminal, the negotiation request-reply that receiving terminal returns
After message, according to the described connectivity port number consulting receiving terminal in request-reply message and the same screen set up
The Internet protocol address determining in session, sets up the radio link channel between transmitting terminal and receiving terminal；Its
In, described negotiation request-reply message includes: receive the basic parameter of the static images that terminal can be supported.
Wherein, described transport module includes:
Process submodule, for increasing data packet head in the packet of static images data to be sent；Described
Data packet head includes: the sequence number of packet, the number of a pictures conceptual data bag, the volume of transmission picture
Number, the compressed format of transmission image data, the resolution ratio of image data and verification data；
Transmission submodule, for by described radio link channel, transmission has the static state of described data packet head
Image data is to receiving terminal.
Wherein, described device also includes:
Send and terminate module, for, after getting common transmission instruction, terminating the transmission of static images data；
Radio link channel removes module, is used for sending radio link channel dismounting and asks to receiving terminal, makes to send out
Radio link channel between sending end and receiving terminal is removed.
Wherein, described static images transmits instruction is that user operation triggers or detects that content to be transmitted is quiet
Automatically trigger during state picture.
In sum, the device of the projecting image data of embodiments of the invention, is applied to transmitting terminal, not only
The same screen being capable of video data is shared, and when this kind of data of static images shared by needs, is switched to
Static data transmitting scene, by setting up the static images radio link channel that screen is shared together, it is not necessary to by together
Static images is transmitted in screen session, reduces the expense in sharing with screen, it is achieved that static images is at receiving terminal
Smooth playing, promotes wireless display effect, simultaneously, it is to avoid frequent refreshing screen real-time Data Transmission process
The network bandwidth expense etc. causing consumes excessively.After transmitting terminal is consulted with receiving terminal, can conveniently transmit difference
Format picture, dynamically can change according to the situation of network condition and terminal device itself in shared procedure.
It should be noted that this device is the method applying the above-mentioned projecting image data for transmitting terminal
Device, the above-mentioned implementation for the method for the projecting image data of transmitting terminal is applicable to this device, also can
Reach identical technique effect.
It as it is shown in fig. 7, embodiments of the invention additionally provide the device of a kind of projecting image data, is applied to
Receiving terminal, comprising:
Second connection establishment module 70, after setting up with screen session for receiving terminal and transmitting terminal, receiving terminal
During the static images that receiving end/sending end transmits, set up a radio link channel with transmitting terminal；
Receiver module 71, passes through described radio link channel for receiving terminal, and it is quiet that receiving end/sending end transmits
State image data, decodes and shows described static images.
Wherein, described second connection establishment module includes:
3rd transmission submodule, for receiving terminal after receiving the equipment discovery request message that transmitting terminal sends,
Find request-reply message to described transmitting terminal returning equipment；
Second with screen session establishment submodule, for receiving terminal after completing equipment discovery with transmitting terminal, with
It is complete that transmitting terminal completes service discovery, connection establishment, capability negotiation, session establishment, data transmission and session
Become mutual after, with transmitting terminal set up with screen session.
Wherein, described second connection establishment module includes:
4th transmission submodule, after receiving, for receiving terminal, the negotiation request message that transmitting terminal sends, stops
Video data decoding, returns to transmitting terminal and consults request-reply message；Wherein, described negotiation request message bag
Include: the basic parameter of static images to be sent；Described negotiation request-reply message includes: described receiving terminal energy
The basic parameter of enough static images supported and the connectivity port number of described receiving terminal.
Wherein, the packet of the static images data receiving adds data packet head, described data packet head
Including: the sequence number of packet, the number of a pictures conceptual data bag, the numbering of transmission picture, transmission
The compressed format of image data, the resolution ratio of image data and verification data.
Wherein, described receiver module includes:
Receiving submodule, for by described radio link channel, what receiving end/sending end transmitted has described number
Static images data according to packet header；
Decoding and display sub-module, be used for according to described data packet head, to static images decoding data simultaneously
Show described static images.
Wherein, described device also includes:
Receive, decode and display termination module, for receiving the radio link channel dismounting that transmitting terminal sends
After request, terminate reception, decoding and the display of static images data.
In sum, the device of the projecting image data of embodiments of the invention, is applied to receiving terminal, not only
The same screen being capable of video data is shared, and when this kind of data of static images shared by needs, is switched to
Static data transmitting scene, by setting up the static images radio link channel that screen is shared together, it is not necessary to by together
Static images is transmitted in screen session, reduces the expense in sharing with screen, it is achieved that static images is at receiving terminal
Smooth playing, promotes wireless display effect, simultaneously, it is to avoid frequent refreshing screen real-time Data Transmission process
The network bandwidth expense etc. causing consumes excessively.After transmitting terminal is consulted with receiving terminal, can conveniently transmit difference
Format picture, dynamically can change according to the situation of network condition and terminal device itself in shared procedure.
It should be noted that this device is the method applying the above-mentioned projecting image data for receiving terminal
Device, the above-mentioned implementation for the method for the projecting image data of receiving terminal is applicable to this device, also can
Reach identical technique effect.
Embodiments of the invention additionally provide the transmitting terminal of a kind of projecting image data, including as above should
Device for the projecting image data of transmitting terminal.
It should be noted that this transmitting terminal applies the method for the above-mentioned projecting image data for transmitting terminal
Terminal, the above-mentioned implementation for the method for the projecting image data of transmitting terminal is applicable to this device, also can
Reach identical technique effect.
Embodiments of the invention additionally provide the receiving terminal of a kind of projecting image data, including as above should
Device for the projecting image data of receiving terminal.
It should be noted that this receiving terminal applies the method for the above-mentioned projecting image data for receiving terminal
Terminal, the above-mentioned implementation for the method for the projecting image data of receiving terminal is applicable to this device, also can
Reach identical technique effect.
The above is the preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from principle of the present invention, some improvements and modifications can also be made,
These improvements and modifications also should be regarded as protection scope of the present invention.
Claims (25)
1. a method for projecting image data, is applied to transmitting terminal, it is characterised in that include:
After transmitting terminal and receiving terminal are set up with screen session, when transmitting terminal transmits static images to receiving terminal, with
Receiving terminal sets up a radio link channel；
Transmitting terminal passes through described radio link channel, and transmission static images data, to receiving terminal, make receiving terminal solution
Code simultaneously shows described static images.
2. the method for projecting image data according to claim 1, it is characterised in that transmitting terminal with
Receiving terminal is set up and is included with the process of screen session:
Transmitting terminal sends equipment discovery request message to receiving terminal；
Transmitting terminal with receiving terminal complete equipment discovery after, with receiving terminal complete service discovery, connection establishment,
Capability negotiation, session establishment, data transmission and session complete mutual after, with receiving terminal set up with screen meeting
Words.
3. the method for projecting image data according to claim 1, it is characterised in that with receiving terminal
The process setting up a radio link channel includes:
After transmitting terminal gets static images transmission instruction, sending negotiation request message to receiving terminal, request connects
Receiving end stops video data decoding；Wherein, described negotiation request message includes: the base of static images to be sent
This parameter；
After transmitting terminal receives the negotiation request-reply message that receiving terminal returns, according to described negotiation request-reply
The Internet protocol address determining in the connectivity port number of receiving terminal and the same screen session set up in message,
Set up the radio link channel between transmitting terminal and receiving terminal；Wherein, described negotiation request-reply message includes:
The basic parameter of the static images that receiving terminal can be supported.
4. the method for projecting image data according to claim 1, it is characterised in that transmitting terminal leads to
Crossing described radio link channel, transmission static images data include to the process of receiving terminal:
Increase data packet head in the packet of static images data to be sent；Described data packet head includes: number
According to the sequence number of bag, the number of a pictures conceptual data bag, the numbering of transmission picture, transmit image data
Compressed format, the resolution ratio of image data and verification data；
By described radio link channel, transmission has the static images data of described data packet head to receiving terminal.
5. the method for projecting image data according to claim 1, it is characterised in that transmitting terminal leads to
Crossing described radio link channel, transmission static images data also include to after receiving terminal:
After getting common transmission instruction, terminate the transmission of static images data；
Send radio link channel dismounting to ask to receiving terminal, make the wireless connection between transmitting terminal and receiving terminal
Passage is removed.
6. the method for projecting image data according to claim 1, it is characterised in that described static state
Picture transmit instruction be user operation trigger or detect wait transmit content be static images when automatically trigger
's.
7. a device for projecting image data, is applied to transmitting terminal, it is characterised in that include:
First connection establishment module, after setting up with screen session for transmitting terminal and receiving terminal, transmitting terminal transmission
When static images is to receiving terminal, set up a radio link channel with receiving terminal；
Transport module, passes through described radio link channel for transmitting terminal, and transmission static images data are given and received
End, makes receiving terminal decode and shows described transmission static images.
8. the device of projecting image data according to claim 7, it is characterised in that described first
Connection establishment module includes:
First transmission submodule, sends equipment discovery request message for transmitting terminal to receiving terminal；
First with screen session establishment submodule, for transmitting terminal after completing equipment discovery with receiving terminal, with
It is complete that receiving terminal completes service discovery, connection establishment, capability negotiation, session establishment, data transmission and session
Become mutual after, with receiving terminal set up with screen session.
9. the device of projecting image data according to claim 7, it is characterised in that described first
Connection establishment module includes:
Second transmission submodule, after getting static images transmission instruction for transmitting terminal, sends to receiving terminal
Negotiation request message, request receiving terminal stops video data decoding；Wherein, described negotiation request message includes:
The basic parameter of static images to be sent；
Radio link channel sets up submodule, receives, for transmitting terminal, the negotiation request-reply that receiving terminal returns
After message, according to the described connectivity port number consulting receiving terminal in request-reply message and the same screen set up
The Internet protocol address determining in session, sets up the radio link channel between transmitting terminal and receiving terminal；Its
In, described negotiation request-reply message includes: receive the basic parameter of the static images that terminal can be supported.
10. the device of projecting image data according to claim 7, it is characterised in that described transmission
Module includes:
Process submodule, for increasing data packet head in the packet of static images data to be sent；Described
Data packet head includes: the sequence number of packet, the number of a pictures conceptual data bag, the volume of transmission picture
Number, the compressed format of transmission image data, the resolution ratio of image data and verification data；
Transmission submodule, for by described radio link channel, transmission has the static state of described data packet head
Image data is to receiving terminal.
The device of 11. projecting image datas according to claim 7, it is characterised in that described device
Also include:
Send and terminate module, for, after getting common transmission instruction, terminating the transmission of static images data；
Radio link channel removes module, is used for sending radio link channel dismounting and asks to receiving terminal, makes to send out
Radio link channel between sending end and receiving terminal is removed.
The method of 12. 1 kinds of projecting image datas, is applied to receiving terminal, it is characterised in that include:
After receiving terminal and transmitting terminal are set up with screen session, during the static images that receiving terminal receiving end/sending end transmits,
Set up a radio link channel with transmitting terminal；
Receiving terminal passes through described radio link channel, and the static images data of receiving end/sending end transmission, decoding is simultaneously
Show described static images.
The method of 13. projecting image datas according to claim 12, it is characterised in that receiving terminal
Set up with transmitting terminal and include with the process of screen session:
Receiving terminal, after receiving the equipment discovery request message that transmitting terminal sends, returns to described transmitting terminal and sets
The existing request-reply message of preparation；
Receiving terminal with transmitting terminal complete equipment discovery after, with transmitting terminal complete service discovery, connection establishment,
Capability negotiation, session establishment, data transmission and session complete mutual after, with transmitting terminal set up with screen meeting
Words.
The method of 14. projecting image datas according to claim 12, it is characterised in that with transmission
The process that end sets up a radio link channel includes:
After receiving terminal receives the negotiation request message that transmitting terminal sends, stop video data decoding, to transmission
End returns consults request-reply message；Wherein, described negotiation request message includes: static images to be sent
Basic parameter；Described negotiation request-reply message includes: the base of the static images that described receiving terminal can be supported
This parameter and the connectivity port number of described receiving terminal.
The method of 15. projecting image datas according to claim 12, it is characterised in that receive
Static images data packet in add data packet head, described data packet head includes: the sequence of packet
Row number, the number of a pictures conceptual data bag, the numbering of transmission picture, the compression lattice of transmission image data
Formula, the resolution ratio of image data and verification data.
The method of 16. projecting image datas according to claim 13, it is characterised in that receiving terminal
By described radio link channel, the static images data of receiving end/sending end transmission, decode and show described quiet
The process of state picture includes:
By described radio link channel, the static images with described data packet head of receiving end/sending end transmission
Data；
According to described data packet head, to static images decoding data and show described static images.
The method of 17. projecting image datas according to claim 12, it is characterised in that receiving terminal
By described radio link channel, the static images data of receiving end/sending end transmission, decode and show described quiet
Also include after state picture:
Receive transmitting terminal send radio link channel remove request after, terminate static images data reception,
Decoding and display.
The device of 18. 1 kinds of projecting image datas, is applied to receiving terminal, it is characterised in that include:
Second connection establishment module, after setting up with screen session for receiving terminal and transmitting terminal, receiving terminal receives
During the static images that transmitting terminal transmits, set up a radio link channel with transmitting terminal；
Receiver module, passes through described radio link channel, the static map of receiving end/sending end transmission for receiving terminal
Piece data, decode and show described static images.
The device of 19. projecting image datas according to claim 18, it is characterised in that described
Two connection establishment modules include:
3rd transmission submodule, for receiving terminal after receiving the equipment discovery request message that transmitting terminal sends,
Find request-reply message to described transmitting terminal returning equipment；
Second with screen session establishment submodule, for receiving terminal after completing equipment discovery with transmitting terminal, with
It is complete that transmitting terminal completes service discovery, connection establishment, capability negotiation, session establishment, data transmission and session
Become mutual after, with transmitting terminal set up with screen session.
The device of 20. projecting image datas according to claim 18, it is characterised in that described
Two connection establishment modules include:
4th transmission submodule, after receiving, for receiving terminal, the negotiation request message that transmitting terminal sends, stops
Video data decoding, returns to transmitting terminal and consults request-reply message；Wherein, described negotiation request message bag
Include: the basic parameter of static images to be sent；Described negotiation request-reply message includes: described receiving terminal energy
The basic parameter of enough static images supported and the connectivity port number of described receiving terminal.
The device of 21. projecting image datas according to claim 18, it is characterised in that receive
Static images data packet in add data packet head, described data packet head includes: the sequence of packet
Row number, the number of a pictures conceptual data bag, the numbering of transmission picture, the compression lattice of transmission image data
Formula, the resolution ratio of image data and verification data.
The device of 22. projecting image datas according to claim 21, it is characterised in that described connect
Receive module to include:
Receiving submodule, for by described radio link channel, what receiving end/sending end transmitted has described number
Static images data according to packet header；
Decoding and display sub-module, be used for according to described data packet head, to static images decoding data simultaneously
Show described static images.
The device of 23. projecting image datas according to claim 18, it is characterised in that described dress
Put and also include:
Receive, decode and display termination module, for receiving the radio link channel dismounting that transmitting terminal sends
After request, terminate reception, decoding and the display of static images data.
The transmitting terminal of 24. 1 kinds of projecting image datas, it is characterised in that include such as claim 7 to 11
The device of the projecting image data being applied to transmitting terminal described in any one.
The receiving terminal of 25. 1 kinds of projecting image datas, it is characterised in that include such as claim 18 to 23
The device of the projecting image data being applied to receiving terminal described in any one.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107147887A (en) * | 2017-05-04 | 2017-09-08 | 大连理工大学 | Wireless display method and device |
| CN116095283A (en) * | 2021-11-08 | 2023-05-09 | 精工爱普生株式会社 | Image display method of display device |
| CN116719649A (en) * | 2022-09-01 | 2023-09-08 | 荣耀终端有限公司 | Session notification prompting method, electronic equipment and readable storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951515A (en) * | 2010-09-21 | 2011-01-19 | 深圳市同洲电子股份有限公司 | Method, system and set-top box for sharing interface of mobile terminal to television |
| US20130290982A1 (en) * | 2012-04-30 | 2013-10-31 | David Beilis | Method for Simulating Screen Sharing for Multiple Applications Running Concurrently on a Mobile Platform |
| CN104010215A (en) * | 2014-05-14 | 2014-08-27 | 福州瑞芯微电子有限公司 | Image sharing method based on Miracast, source device, terminal device and system |
| CN104219551A (en) * | 2014-09-29 | 2014-12-17 | 武汉诚迈科技有限公司 | Method for screen sharing and remote control of intelligent device |
| CN104219474A (en) * | 2013-05-30 | 2014-12-17 | 佳能株式会社 | Image processing apparatus and controlling method thereof |
-
2015
- 2015-02-11 CN CN201510071286.7A patent/CN105992014B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951515A (en) * | 2010-09-21 | 2011-01-19 | 深圳市同洲电子股份有限公司 | Method, system and set-top box for sharing interface of mobile terminal to television |
| US20130290982A1 (en) * | 2012-04-30 | 2013-10-31 | David Beilis | Method for Simulating Screen Sharing for Multiple Applications Running Concurrently on a Mobile Platform |
| CN104219474A (en) * | 2013-05-30 | 2014-12-17 | 佳能株式会社 | Image processing apparatus and controlling method thereof |
| CN104010215A (en) * | 2014-05-14 | 2014-08-27 | 福州瑞芯微电子有限公司 | Image sharing method based on Miracast, source device, terminal device and system |
| CN104219551A (en) * | 2014-09-29 | 2014-12-17 | 武汉诚迈科技有限公司 | Method for screen sharing and remote control of intelligent device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107147887A (en) * | 2017-05-04 | 2017-09-08 | 大连理工大学 | Wireless display method and device |
| CN116095283A (en) * | 2021-11-08 | 2023-05-09 | 精工爱普生株式会社 | Image display method of display device |
| CN116719649A (en) * | 2022-09-01 | 2023-09-08 | 荣耀终端有限公司 | Session notification prompting method, electronic equipment and readable storage medium |
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| Publication number | Publication date |
|---|---|
| CN105992014B (en) | 2019-01-01 |
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