CN103731250B - High-speed synchronous method and system between a kind of PC machine and mobile terminal - Google Patents
High-speed synchronous method and system between a kind of PC machine and mobile terminal Download PDFInfo
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- CN103731250B CN103731250B CN201210387930.8A CN201210387930A CN103731250B CN 103731250 B CN103731250 B CN 103731250B CN 201210387930 A CN201210387930 A CN 201210387930A CN 103731250 B CN103731250 B CN 103731250B
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Abstract
The present invention provides a kind of high-speed synchronous method between PC machine and mobile terminal, comprising: compares to the picture to be transmitted in mobile terminal with picture has been transmitted, obtains difference pixel；The difference pixel is transmitted to PC machine.The difference pixel and the new picture of the upper primary received corresponding pixel points additional combining for having transmitted picture will be received in PC machine.The present invention also provides a kind of system for the method.The present invention can significantly improve the speed of data transmission, and the high-performance combination UI testing tool that can efficiently use PC machine tests mobile terminal.
Description
Technical field
The present invention relates to data synchronous transfer field, the high-speed synchronous between a kind of PC and mobile terminal is related in particular to
Method and system.
Background technique
During the existing program on mobile terminal or client carry out automatic test, in addition to mobile whole
It is carried out on end other than directly test, due to the limitation of mobile terminal itself, some test programs can not be supported well, therefore need
Mobile terminal is attached with PC machine, the application on mobile terminal is tested using PC machine.This is just needed PC machine
It is coupled for realizing synchronous manipulation with mobile terminal.
Mobile terminal application is tested from PC machine, relatively common at present is using VNC (Virtual
Network Computing, Virtual network computer) according to RFB (Remote Frame Buffer, Remote Frame Buffer) agreement
Synchronize manipulation.But the environment that RBF agreement is relatively high mainly for the treatment of ability, such as in PC machine, for mobile whole
Not only efficiency is relatively low for end, but also also bigger for the resource consumption of mobile terminal.Make in PC machine and mobile terminal
It is slow with RFB protocol synchronization speed, the speed per second that can only achieve 3 frame pictures of transmission or so, therefore, it is difficult to for automating
In test.
In addition, in the prior art, can also be attached PC machine and mobile terminal using wireless network, but due to
The network environment of some companies compares closing, and the wifi for being difficult to allow wifi and PC machine used in mobile phone to use belongs to consolidated network
Environment cannot complete test job by wifi in this case.Therefore, carrying out test using wifi can not be advised greatly
Mould is universal.
It is badly in need of a kind of technology that can be realized PC machine and mobile terminal progress high-speed synchronous manipulation at present, passes through PC to realize
Machine tests mobile terminal.
Summary of the invention
The present invention provides a kind of high-speed synchronous method between PC machine and mobile terminal, for improving PC machine and mobile terminal
Between data transmission speed, carry out the purpose of UI test to mobile terminal with PC machine with realization.
According to an aspect of the present invention, a kind of high-speed synchronous method between PC machine and mobile terminal is provided, comprising:
A) picture to be transmitted in mobile terminal is compared with picture has been transmitted, obtains difference pixel；
B) the difference pixel is transmitted to PC machine.
According to another aspect of the present invention, the high speed synchro system between a kind of PC machine and mobile terminal is provided, comprising:
Device is compared, for comparing to the picture to be transmitted in mobile terminal with picture has been transmitted, obtains difference picture
Vegetarian refreshments；
Transmitting device, for the difference pixel to be transmitted to PC machine.
High-speed synchronous method and system between PC machine provided by the invention and mobile terminal, can be by the picture of mobile terminal
Face high-speed synchronous is shown on the screen of PC machine, and will be mapped to mobile terminal to the operation of moving picture terminal in PC machine
On, achieve the purpose that control mobile terminal from PC machine.It is every that ten frames can achieve using the synchronous speed of method data of the invention
Second, hence it is evident that the transmission speed per second higher than three frames in the prior art.It can be tested in conjunction with the UI at the end PC using method of the invention
Tool is completed to test the high-efficient automatic of mobile terminal.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, of the invention other
Feature, objects and advantages will become more apparent upon:
Fig. 1 is a specific embodiment party of the high-speed synchronous method between a kind of PC machine according to the present invention and mobile terminal
The flow diagram of formula；
Fig. 2 is a specific embodiment party of the high speed synchro system between a kind of PC machine according to the present invention and mobile terminal
The structural schematic diagram of formula；
Fig. 3 is another specific implementation of the high speed synchro system between a kind of PC machine according to the present invention and mobile terminal
The structural schematic diagram of mode.
The same or similar appended drawing reference represents the same or similar component in attached drawing.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to implementation of the invention
Example is described in detail.
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not construed as limiting the claims.
Following disclosure provides many different embodiments or example is used to realize different structure of the invention.For letter
Change disclosure of the invention, hereinafter the component of specific examples and setting are described.Certainly, they are merely examples, and
It is not intended to limit the present invention.In addition, the present invention can in different examples repeat reference numerals and/or letter.It is this heavy
It is for purposes of simplicity and clarity, itself not indicate the relationship between discussed various embodiments and/or setting again.It should
Note that illustrated component is not drawn necessarily to scale in the accompanying drawings.Present invention omits to known assemblies and processing technique and
The description of technique is to avoid being unnecessarily limiting the present invention.
As shown in FIG. 1, FIG. 1 is the high-speed synchronous methods between a kind of PC machine provided according to the present invention and mobile terminal
The flow diagram of one specific embodiment, including step S101~S103, below with reference to specific embodiment to shown in Fig. 1
Method be illustrated.
Step S101 compares the picture to be transmitted in mobile terminal with picture has been transmitted, and obtains difference pixel.
Method of the invention is suitable for the picture between various mobile terminals and PC, data transmission.Mobile terminal has small in size, portable
The characteristics of, its display screen and processing unit ability can be made to be respectively less than PC machine in this way.It is high in order to be carried out to mobile terminal
Imitate automatic test, it is necessary to by mobile terminal and PC machine connection, behaviour be synchronized to mobile terminal using the high-performance of PC machine
Control, to realize the automatic test to mobile terminal.The mobile terminal includes but is not limited to PDA (personal digital assistant), hand
Machine, tablet computer etc..It takes the mobile phone as an example and is illustrated below.
Before being tested, frame buffer initialization is carried out to mobile phone, to guarantee the accuracy of test.After starting test,
The interface display of mobile phone terminal is transmitted to PC machine, is shown on the display screen of PC machine.Although the interface display of mobile phone terminal
In include text, message, data, icon etc., but it will be understood by those in the art that these contents are passed with pictorial manner
Transport to PC machine one end.
Before each transmission, picture to be transmitted can have been transmitted picture with the last time and compared by system, to find difference
Pixel.For the first width picture of transmission, reset since mobile phone caching has carried out initialization, the pixel of the first width picture
Point needs all to be transmitted to PC machine, and the picture currently transmitted is cached on mobile phone.Each width figure later
Before piece transmission, picture to be transmitted and the transmission cached before picture can all be compared, find difference pixel, it
It only needs to transmit difference pixel in each transmission process afterwards, since the transformation of mobile phone interface is generally only local change
Change, pixel only a small number of is different between continuous two frames picture, therefore by the way that only transmission difference pixel can be in not shadow
The data volume for effectively reducing transmission under the premise of picture is shown is rung, transmission speed is accelerated.Difference picture can be obtained there are many method
The method of vegetarian refreshments, fairly simple method are the pixels for having transmitted the respective pixel between picture by picture to be transmitted and caching
XOR operation is subtracted each other or carried out to value.It is identical if it is respective pixel value, then subtract each other or the result of XOR operation is all 0.Then
The most of numerical value of difference pixel obtained for similar two frames picture is all 0, then can by simple compression algorithm into
Row processing is to greatly reduce the data volume of transmission.
After determining difference pixel, step S102 is continued to execute, the difference pixel is compressed.Due to hand
The size of the mobile terminal display screens such as machine is different, therefore these mobile terminals require general also difference for the clarity of picture；
In addition, the display screen of mobile terminal is usually all smaller, therefore will not be too high for the requirement of the clarity of picture.If can be in picture
Picture pixels are compressed under the premise of guaranteeing clarity before transmission, will also effectively improve transmission speed.One pixel
The storage cell of point is usually a byte, two bytes and/or three bytes.It according to demand can be by difference pixel from three byte pressures
It is reduced to two bytes or a byte.The difference pixel for being 0 for big numerical quantity, can be by selecting suitable compression algorithm to carry out
Compression, such as compressed with run length encoding method.
In industry, rgb color mode is generallyd use as color standard, by red (R), green (G), indigo plant (B) three
The variation of a Color Channel and their mutual superpositions obtain miscellaneous color, which almost includes people
The all colours that class eyesight can perceive are current with most wide one of color system.Although the present embodiment is with rgb color
Mode carries out the expression of pixel, it is possible to understand that the present invention is not limited to this, can also use other common picture tables
Show method, such as the color space YUV, HIS, CMY mode.
Rgb color mode is distributed in 0~255 range using the RGB component that RGB model is each pixel in image
Intensity value.RGB image only uses three kinds of colors, so that it may so that they are mixed according to different ratios, reappear on the screen
16777216 kinds of colors.The byte number of each pixel can be indicated with three numbers, three numbers therein respectively represent
Occupy-place (Bit) situation of three kinds of colors, such as: three bytes are indicated with 888,565 indicate two bytes, and 323 indicate a byte.
When exist in the difference pixel got according to above-mentioned steps continuously repeat pixel when (for example, duplicate 0),
Obtain the number for repeating pixel and continuously repeating.For example, when needing to have the color in a region the same in the picture transmitted
(as being all white), traditional way are to transmit the information of each pixel one time.The information includes: in pixel
The coordinate of the occupancy of three kinds of colors, the data of pixel and pixel.And in the present invention, it extracts and repeats pixel
Number is continuously repeated, thus can simplify the number of transmissions of counterweight double image vegetarian refreshments during subsequent transmission, effectively save and pass
Defeated bandwidth, the speed of improve data transfer.
Difference pixel is found, and after difference pixel is further processed, executes step S103, picture will be carried out
Vegetarian refreshments treated the picture transfer to be transmitted is to PC machine.Picture transfer is carried out using USB or WiFi transport protocol.Pass through drive
The transport protocol of USB is virtually become network protocol, simplifies development, and also can achieve USB in speed by dynamic program
General speed, hence it is evident that exceed the transmission speed of wifi.
After PC machine receives difference pixel, the numerical value of the difference pixel received has been transmitted with last
Or the numerical value of the corresponding pixel points of picture has been displayed and is added or carries out XOR operation and can synthesize in the mobile terminal this to pass
Defeated picture.After transmitting the difference pixel, in the terminal using current image cache to be transmitted as having transmitted
Picture, in case into comparison when transmitting picture next time.
With reference to Fig. 2, Fig. 2 shows a kind of one kind of the high speed synchro system 10 according to the present invention between PC machine and mobile terminal
The structural schematic diagram of specific embodiment.System 10 includes: comparison device 11, compression set 12 and transmitting device 13.
Device 11 is compared, for comparing to the picture to be transmitted in mobile terminal with picture has been transmitted, obtains difference
Pixel.System of the invention is for the picture between various mobile terminals and PC, data transmission.Mobile terminal has volume
Small, portable feature can make its display screen and processing unit ability be respectively less than PC machine in this way.In order to mobile terminal
Carry out high-efficient automatic test, it is necessary to by mobile terminal and PC machine connection, carry out using the high-performance of PC machine to mobile terminal
Synchronous manipulation, to realize the automatic test to mobile terminal.The mobile terminal includes but is not limited to that (individual digital helps PDA
Reason), mobile phone, tablet computer etc..It takes the mobile phone as an example and is illustrated below.
Preferably, before being tested, comparison device 11 carries out frame buffer initialization to mobile phone, to guarantee the standard of test
True property.After starting test, the interface display of mobile phone terminal can be transmitted to PC machine by system 10, be shown on the display screen of PC machine
Show.Although in the interface display of mobile phone terminal including text, message, data, icon etc., it will be understood by those in the art that
These contents are all that PC machine one end is transmitted to pictorial manner.
Before each transmission, the comparison device 11 in system 10 can compare picture to be transmitted with picture has been transmitted,
To find difference pixel.For the first width picture of transmission, reset since mobile phone caching has carried out initialization, the first width
The pixel of picture needs all to be transmitted to PC machine, and the picture currently transmitted is cached on mobile phone.Later
Each width picture transfer before, all can be by comparison device 11 by the picture to be transmitted and the picture transmitted that before cache
It compares, finds difference pixel, only need to transmit difference pixel later in each transmission process, due to hand
The transformation at machine interface is generally only local variation, and pixel only a small number of is different between continuous two frames picture, therefore logical
Transmission speed can be accelerated in the data volume for not influencing to effectively reduce transmission under the premise of picture display by crossing only transmission difference pixel
Degree.There are many method that method can obtain difference pixel, fairly simple method is by picture to be transmitted and to cache
The pixel value of respective pixel between transmission picture is subtracted each other or is carried out XOR operation.It is identical if it is respective pixel value, then
Subtract each other or the result of XOR operation is all 0.All it is for most of numerical value of the difference pixel of similar two frames picture acquisition then
0, then processing can be carried out by simple compression algorithm to greatly reduce the data volume of transmission.
After determining difference pixel, the difference pixel is compressed by compression set 12.Due to mobile phone etc.
The size of mobile terminal display screen is different, therefore these mobile terminals require general also difference for the clarity of picture；In addition,
The display screen of mobile terminal is usually all smaller, therefore will not be too high for the requirement of the clarity of picture.If can be in picture transfer
Picture pixels are compressed under the premise of guaranteeing clarity before, will also effectively improve transmission speed.One pixel
Storage cell is usually a byte, two bytes and/or three bytes.According to demand can by difference pixel from three byte-code compressions to
Two bytes or a byte.
In industry, rgb color mode is generallyd use as color standard, by red (R), green (G), indigo plant (B) three
The variation of a Color Channel and their mutual superpositions obtain miscellaneous color, which almost includes people
The all colours that class eyesight can perceive are current with most wide one of color system.Although the present embodiment is with rgb color
Mode carries out the expression of pixel, it is possible to understand that the present invention is not limited to this, can also use other common picture tables
Show method, such as the color space YUV, HIS, CMY mode.
Rgb color mode is distributed in 0~255 range using the RGB component that RGB model is each pixel in image
Intensity value.RGB image only uses three kinds of colors, so that it may so that they are mixed according to different ratios, reappear on the screen
16777216 kinds of colors.The byte number of each pixel can be indicated with three numbers, three numbers therein respectively represent
Occupy-place (Bit) situation of three kinds of colors, such as: three bytes are indicated with 888,565 indicate two bytes, and 323 indicate a byte.
It preferably, further include acquisition device 14 with reference to Fig. 3.When being on duty in aniseikania vegetarian refreshments in the presence of pixel is repeated, by obtaining
Device 14 goes to obtain the repetition duplicate number of pixel.For example, when the color for needing to have a region in the picture transmitted
Equally (as being all white) or when a certain color has carried out multiplicating, traditional way is by the letter of each pixel
Breath all transmits one time.The information includes: the occupancy of three kinds of colors in pixel, the data of pixel and pixel
Coordinate.And in the present invention, the coordinate of the number of repetition and pixel that repeat pixel is extracted, it thus can be in subsequent transmission
In the process, simplify the number of transmissions of counterweight double image vegetarian refreshments, effectively saving transmission bandwidth, the speed of improve data transfer.
After acquisition device 14 gets the information of repetition pixel, treated for that will carry out pixel for transmitting device 13
The picture transfer to be transmitted is to PC machine.Preferably, transmitting device 13 carries out picture transfer using USB or WiFi transport protocol.
By driver, the transport protocol of USB is virtually become into network protocol, simplifies development, and can also be in speed
Reach the general speed of USB, hence it is evident that exceed the transmission speed of wifi.
After PC machine receives difference pixel, the numerical value of the difference pixel received has been transmitted with last
Or the numerical value of the corresponding pixel points of picture has been displayed and is added or carries out XOR operation and can synthesize in the mobile terminal this to pass
Defeated picture.After transmitting the difference pixel, in the terminal using current image cache to be transmitted as having transmitted
Picture, in case into comparison when transmitting picture next time.
Using the speed method of the invention, it is possible to significantly improve data transmission, the high-performance of PC machine can be efficiently used
Mobile terminal is tested in conjunction with UI testing tool.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included in the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.This
Outside, it is clear that one word of " comprising " is not excluded for other modules or step, and odd number is not excluded for plural number.
Claims (8)
1. a kind of high-speed synchronous method between PC machine and mobile terminal, wherein the following steps are included:
A) picture to be transmitted in mobile terminal is compared with picture has been transmitted, obtains difference pixel；
Wherein, the method also includes:
When there are when the repetition pixel of consecutive identical color, obtain the pixel that repeats continuously to arrange in the difference pixel
The number of column；
B) the difference pixel is transmitted to PC machine, wherein in step b) further include: when transmitting the repetition pixel,
Only transmission one is described repeats pixel and the repetition continuously arranged number of pixel；
Wherein, by showing the picture high-speed synchronous of mobile terminal on the screen of PC machine, and will be whole to movement in PC machine
The operation of end picture is mapped on mobile terminal, achievees the purpose that control mobile terminal from PC machine, to combine the UI at the end PC to test
Tool carries out automatic test to mobile terminal；
Wherein, carrying out picture transfer using USB transport protocol virtually becomes network for the transport protocol of USB by driver
Agreement.
2. according to the method described in claim 1, wherein, the step b) is further comprised the steps of:
The difference pixel compress and is then transferred to the PC machine again.
3. method according to claim 1 or 2, wherein further include PC machine receive the difference pixel and with it is previous
The received picture that transmitted synthesizes new picture, and in the terminal using the picture to be transmitted as transmitted picture into
Row caching is compared as when transmitting next time.
4. method according to claim 1 or 2, wherein it is described obtain difference pixel method include:
By in mobile terminal picture to be transmitted and the last numerical value for having transmitted the corresponding pixel points between picture subtract each other or into
Row XOR operation obtains pixel difference set as the difference pixel.
5. according to the method described in claim 4, wherein, will PC machine receive the difference pixel and it is upper it is primary it is received
The corresponding pixel points of transmission picture are added or carry out XOR operation and synthesize new picture.
6. the high speed synchro system between a kind of PC machine and mobile terminal, wherein include:
Device is compared, for comparing to the picture to be transmitted in mobile terminal with picture has been transmitted, obtains difference pixel；
Wherein, the system also includes:
Acquisition device, for obtaining institute when repeating pixel in the presence of continuous and color is identical in the difference pixel
State the continuously arranged number of repetition pixel；
Transmitting device, for the difference pixel to be transmitted to PC machine；Wherein, picture is repeated when transmitting device transmission is described
When vegetarian refreshments, the transmitting device only transmits the repetition pixel and the repetition continuously arranged number of pixel；
Wherein, by showing the picture high-speed synchronous of mobile terminal on the screen of PC machine, and will be whole to movement in PC machine
The operation of end picture is mapped on mobile terminal, achievees the purpose that control mobile terminal from PC machine, to combine the UI at the end PC to test
Tool carries out automatic test to mobile terminal；
Wherein, carrying out picture transfer using USB transport protocol virtually becomes network for the transport protocol of USB by driver
Agreement.
7. system according to claim 6, wherein further include compression set, for pressing the difference pixel
Contracting.
8. system according to claim 6, wherein the comparison device is by the picture to be transmitted and upper one in mobile terminal
The secondary numerical value for having transmitted the corresponding pixel points between picture subtracts each other or carries out XOR operation and obtains pixel difference set as institute
State difference pixel.
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| CN201210387930.8A CN103731250B (en) | 2012-10-12 | 2012-10-12 | High-speed synchronous method and system between a kind of PC machine and mobile terminal |
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| CN104156191A (en) * | 2014-08-22 | 2014-11-19 | 沈炜 | System and method for extending mobile electronic device to PC display |
| CN109218748B (en) * | 2017-06-30 | 2020-11-27 | 京东方科技集团股份有限公司 | Video transmission method, device and computer readable storage medium |
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| CN1750463A (en) * | 2004-09-15 | 2006-03-22 | 北京中星微电子有限公司 | Electronic white plate image sharing method based on content different comparison |
| CN102270428A (en) * | 2010-06-01 | 2011-12-07 | 上海政申信息科技有限公司 | Display device and display interface refresh method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100502523C (en) * | 2006-07-27 | 2009-06-17 | 华为技术有限公司 | Method and system of testing result displayed on terminal screen |
| US20090119365A1 (en) * | 2007-10-30 | 2009-05-07 | 1St Works Corporation | Method and apparatus for display synchronization using image compression |
| CN102123191A (en) * | 2011-01-21 | 2011-07-13 | 广东欧珀移动通信有限公司 | Mobile phone automatic testing method |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1750463A (en) * | 2004-09-15 | 2006-03-22 | 北京中星微电子有限公司 | Electronic white plate image sharing method based on content different comparison |
| CN102270428A (en) * | 2010-06-01 | 2011-12-07 | 上海政申信息科技有限公司 | Display device and display interface refresh method and device |
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