CN107241199A - The image processing method and device of a kind of conference terminal - Google Patents
The image processing method and device of a kind of conference terminal Download PDFInfo
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- CN107241199A CN107241199A CN201710422856.1A CN201710422856A CN107241199A CN 107241199 A CN107241199 A CN 107241199A CN 201710422856 A CN201710422856 A CN 201710422856A CN 107241199 A CN107241199 A CN 107241199A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
- H04L12/1813—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast for computer conferences, e.g. chat rooms
- H04L12/1827—Network arrangements for conference optimisation or adaptation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/445—Program loading or initiating
- G06F9/44505—Configuring for program initiating, e.g. using registry, configuration files
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
- H04N21/4316—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations for displaying supplemental content in a region of the screen, e.g. an advertisement in a separate window
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
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Abstract
The present invention provides a kind of image processing method and device of conference terminal, and wherein method calls the image window of the XopenDisplay functions opening kylin operating system in kylin operating system first；Secondly, the configuration parameter of the image window of kylin operating system is obtained；Then, the XGetImage functions in kylin operating system are called to gather the screen picture that the image window of kylin operating system is shown；Finally, the screen picture that the image window of collection is shown is encoded, and sent to other conference terminals.This method gathers the screen picture that the image window is shown by calling XopenDisplay the and XGetImage functions in kylin operating system to open kylin operating system image window；This method under original TV conference system, can realize the real-time collection of screen picture in kylin operating system, i.e., can realize that original TV conference system is compatible with kylin operating system.
Description
Technical field
The present invention relates to video conferencing technology field, and in particular to the image processing method and device of a kind of conference terminal.
Background technology
Video conferencing system (Video Conference System, referred to as VCS), including Software Videoconferencing System
With hardware video conference system, refer to individual or the colony of two or more different places, pass through existing various telecommunications
Communication transfer media, a variety of data such as the quiet of personage, dynamic image, voice, word, picture are distributed to the calculating of each user
On machine so that geographically scattered user can be with copolymerization one at, pass through the various ways exchange of information such as figure, sound, increase
Understandability of the both sides to content.Current direction of the video conference progressively towards multi-net cooperative, high Qinghua, exploitationization is developed.
Video conferencing system of the prior art includes multipoint controller, and (Multipoint Control Unit are referred to as
MCU), several parts such as conference room terminal, PC desktop terminals, telephone access gateway.Because the standard that PC has been office is matched somebody with somebody
Put, desktop conferencing terminal need not increase many hardware inputs, and therefore, PC desktop terminals have become each enterprise's video council
A kind of top-priority selection of view.
In the prior art, the live table double fluid collection skill of the H.323 agreement based on the desktop conference on LAN
Art, is mainly used in progress desktop picture in windows operating systems and gathers in real time, it is whole that coding is sent to distal end video conferencing
End.
But, because IMAQ and player method are incompatible under a linux operating system in the prior art, so as to cause
The double-current collection and playing technology of existing live table, it is impossible to used on domestic kylin operating system desktop platform.
The content of the invention
The technical problem to be solved in the present invention is to overcome the double-current acquisition technique of live table of the prior art, it is impossible to
Compatible defect under kylin operating system desktop platform.
In consideration of it, the present invention is provided, the embodiments of the invention provide a kind of image processing method of conference terminal and device.
According in a first aspect, the embodiment of the present invention provides a kind of image processing method of conference terminal, the conference terminal
Using kylin operating system, described image processing method comprises the following steps：
The XopenDisplay functions in kylin operating system are called, open described by the XopenDisplay functions
The image window of kylin operating system；
Obtain the configuration parameter of the image window of the kylin operating system；
The XGetImage functions in the kylin operating system are called, are matched somebody with somebody by the XGetImage functions described in
Put the screen picture that the image window of kylin operating system described in parameter acquisition is shown；
The screen picture that the image window of the kylin operating system of collection is shown is encoded, and sent to other
Conference terminal.
Alternatively, in addition to：
The video image of other conference terminals transmission is received, and the video image is decoded；
The SDL_Init functions of the kylin operating system are called, pass through the decoded video code flow of SDL_Init function pairs
Initialized；
The SDL_SetVideoMode functions of the kylin operating system are called, pass through the SDL_SetVideoMode letters
Number creates image window；
The video code flow is handled, to be shown on the image window of establishment.
Alternatively, the screen picture that the image window of the kylin operating system of described pair of collection is shown is encoded,
And send to other conference terminals the step of include：
The screen picture that the image window of the kylin operating system is shown is converted into the second form by the first form；
Calling figure is encoded as coding function to the screen picture after conversion, by the image information after coding send to
Other conference terminals.
Alternatively, first form is rgb format, and second form is yuv format.
According to second aspect, the embodiment of the present invention also provides a kind of image processing apparatus of conference terminal, including：
First call unit, for calling the XopenDisplay functions in kylin operating system, by described
XopenDisplay functions open the image window of the kylin operating system；
First acquisition unit, the configuration parameter of the image window for obtaining the kylin operating system；
Second call unit, for calling the XGetImage functions in the kylin operating system, by described
The screen picture that the image window that XGetImage functions gather the kylin operating system using the configuration parameter is shown；
Coding unit, the screen picture that the window for the kylin operating system to collection is shown is encoded, and
Send to other conference terminals.
Alternatively, described image processing unit also includes：
Decoding unit, for receiving the video image of other conference terminals transmission, and is decoded to the video image；
3rd call unit, the SDL_Init functions for calling the kylin operating system, passes through SDL_Init functions
Decoded video code flow is initialized；
4th call unit, the SDL_SetVideoMode functions for calling the kylin operating system, by described
SDL_SetVideoMode function creation image windows；
Processing unit, for handling the video code flow, to be shown on the image window of establishment.
Alternatively, the coding unit includes：
Converting unit, the screen picture for the image window of the kylin operating system to be shown is changed by the first form
Into the second form；
5th call unit, for calling figure as coding function, is encoded, after coding to the screen picture after conversion
Image information send to other conference terminals.
Alternatively, first form is rgb format, and second form is yuv format.
According to the third aspect, the embodiment of the present invention also provides a kind of conference terminal, including：At least one processor；And
The memory being connected with least one described processor communication；Wherein, have can be by one processor for the memory storage
The instruction of execution, the instruction is by least one described computing device, so that at least one described computing device first party
Image processing method described in the optional mode of any one of face or first aspect.
According to fourth aspect, the embodiment of the present invention also provides a kind of non-transient computer readable storage medium storing program for executing, described non-temporary
State computer-readable recording medium storage computer instruction, the computer instruction be used for make computer perform first aspect or
Image processing method described in the optional mode of any one of first aspect.
Technical solution of the present invention, has the following advantages that：
1. the image processing method for the conference terminal that the present invention is provided, the conference terminal uses kylin operating system, the figure
Call the XopenDisplay functions in kylin operating system first as processing method, Qi is opened by XopenDisplay functions
The image window of unicorn operating system；Secondly, the configuration parameter of the image window of kylin operating system is obtained；Then, kylin is called
XGetImage functions in operating system, the kylin operating system is gathered by XGetImage functions using configuration parameter
The screen picture that image window is shown；Finally, the screen picture shown to the image window of the kylin operating system of collection is carried out
Coding, and send to other conference terminals.The image processing method, in conference terminal, this method to be by calling kylin to grasp
The XopenDisplay functions made in system open kylin operating system image window, then by calling in kylin operating system
XGetImage functions, the screen picture that shows of image window of collection kylin operating system, finally by the screen picture of collection
Encode and send；This method can be realized under original TV conference system, realize screen picture in kylin operating system
Real-time acquisition function, usage scenario and mode of operation without influenceing original meeting, so that original video conferencing can be realized
System is compatible with kylin operating system.
2. the image processing method for the conference terminal that the present invention is provided, this method also includes receiving the transmission of other conference terminals
Video image, and video image is decoded；The SDL_Init functions of kylin operating system are called, pass through SDL_Init letters
It is several that decoded video code flow is initialized；The SDL_SetVideoMode functions of kylin operating system are called, are passed through
SDL_SetVideoMode function creation image windows；Video code flow is handled, to be shown on the image window of establishment.
This method is passed through by calling the decoded video code flow of SDL_Init function pairs of kylin operating system to be initialized
The SDL_SetVideoMode function creation image windows of kylin operating system are called, with the video code flow after display processing；Should
Method can realize the real-time collection of image with playing in kylin operating system, so that in the use field for not influenceing original meeting
In the case of scape and mode of operation, realize that kylin operating system is compatible with original video conference system.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the flow chart of the image processing method of the conference terminal of the embodiment of the present invention 1；
Fig. 2 is the flow chart of the image processing method of the conference terminal of the embodiment of the present invention 2；
Fig. 3 is the structural representation of the image processing apparatus of the conference terminal of the embodiment of the present invention 3；
Fig. 4 is the structural representation of the playing function of the image processing apparatus of the conference terminal of the embodiment of the present invention 4；
Fig. 5 is the structural representation of the conference terminal of the embodiment of the present invention 5.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to which explanation, term " first ", " second ", " the 3rd " are only used for describing purpose,
And it is not intended that indicating or implying relative importance.
As long as in addition, technical characteristic involved in invention described below different embodiments non-structure each other
It can just be combined with each other into conflict.
Embodiment 1
The present embodiment provides a kind of image processing method of conference terminal, in conference terminal.The conference terminal is used
Kylin operating system, and need the function with IMAQ and display.The conference terminal can be the intelligence for possessing above-mentioned functions
The mechanical, electrical brain of expert, flat board, intelligent television etc..The image processing method can be applied in kylin operating system, the flow of this method
Figure is as shown in figure 1, this method includes procedure below：
S11：The XopenDisplay functions in kylin operating system are called, kylin operating system is opened by the function
Image window.
Conference terminal is used for the XopenDisplay functions for opening image window by calling in kylin operating system, realize
The image window to be collected of kylin operating system is shown on screen.Wherein, the XopenDisplay functions are set in advance in Qi
In the source program of unicorn operating system, it act as the image window for opening kylin operating system, and it is reserved with routine interface, so as to
The external world passes through this interface interchange XopenDisplay functions.
By being provided for opening the XopenDisplay functions of image window in the source program of kylin operating system, from
And enable conference terminal to open image window to be collected in kylin operating system based on the XopenDisplay functions
Mouthful.
S12：Obtain the configuration parameter of the image window of kylin operating system.
In conference terminal, the corresponding display of image window of kylin operating system can be obtained according to practical operation situation
Configuration parameter information, for example, the configuration parameter information of display can be the wide and height of display, quality of colour and refreshing
Speed.In the present embodiment, due to needing to gather the image shown on screen, it is therefore desirable to obtain the resolution ratio of the display, that is, show
Show the pixel on the width and height of device.
S13：The XGetImage functions in kylin operating system are called, kylin is gathered using configuration parameter by the function
The screen picture that the image window of operating system is shown.
Opened on the display of conference terminal after image window to be collected, the conference terminal is called in kylin operating system
XGetImage functions for gathering screen picture, the screen map shown in display is obtained according to the configuration parameter of display
Picture.In the present embodiment, when gathering screen picture, screen picture is obtained according to the resolution ratio of screen.
Wherein, the XGetImage functions are set in advance in the source program of kylin operating system, and it act as gathering kylin
The screen picture of operating system, it is reserved with routine interface, so that the external world passes through this interface interchange XGetImage functions.
By being provided for gathering the XGetImage functions of screen picture in the source program of kylin operating system, so that
Conference terminal is enabled to gather the image window to be collected of opening in kylin operating system based on the XGetImage functions
Screen picture.
S14：The screen picture that the image window of the kylin operating system of collection is shown is encoded, and sent to other
Conference terminal.Other conference terminals described here can arbitrarily carry out the terminal of meeting, can use Windows
The conference terminal of system or the conference terminal using kylin system.
In order to describe color exactly, the concept of color space is introduced.As geometrically describing to sit with coordinate space
Mark set, color space describes color set with mathematical way.The basic colour model of common 3 is RGB, CMYK and YUV.
Wherein, RGB (Red, Green, Blue) is most common color space in computer, and it passes through the additions of the primary colours of red, green, blue 3
To produce other colors, due to the independence of its equipment, it is widely used in computer graphical, imaging system and technicolo
Depending among；CMYK (Cyan, Magenta, Yellow, Black) color space, then be to subtract each other to produce other face by color
Color, it is convenient to realize, it is widely used in printing industry；YUV or YIQ or YCb-Cr color spaces then describe gray scale and aberration
Concept, due to being easily achieved compression, convenient to transmit and handle, it is widely used in broadcast and television system.Just because of this
A bit, it is also widely used among computer video and image procossing, and such as jpeg image and MPEG are using YUV as depositing
Store up the form of pixel.In the case where obtaining viewing hardware support, color transformed processing can also be reduced and eliminated using YUV,
Greatly accelerate the display speed of image.
Because in the present embodiment, the screen picture form that conference terminal is gathered is RGB form, therefore, in order to easy
It is convenient to transmit and handle in realizing compression, it is necessary to which the image of the rgb format is turned before screen picture coding is sent
It is changed to yuv format.
After conversion, IMAQ terminal calling figure first is encoded as coding function to the screen picture after conversion,
And send the image information after coding to other conference terminals, other conference terminals can be kylin operating system,
Can be other operating systems, such as windows operating systems.In the present embodiment, Image Coding is selected from, but not limited to, Hough
Graceful coding, all methods that can realize Image Coding belong to protection scope of the present invention, for example, Shannon-Fan Nuo is encoded, OK
Journey is encoded, arithmetic coding.
The image processing method, can be realized under original TV conference system, realize the real-time collection of screen picture
Function, usage scenario and mode of operation without influenceing original meeting can realize that original TV conference system is grasped with kylin
Make the compatibility of system.
Embodiment 2
The present embodiment provides a kind of image processing method of conference terminal, in conference terminal.The conference terminal is used
Kylin operating system, and need the function with IMAQ and display.The image in image processing method in the present embodiment
Collection, coding and sending method, refer to the image processing method in embodiment 1.
Image processing method in the present embodiment, as shown in Fig. 2 also including：
S21：Receive the video image of other conference terminals transmission and decoded.
The conference terminal of use kylin operating system in the present embodiment, first, receives regarding for other conference terminals transmission
Frequency meeting, what other described conference terminals can be for kylin operating system, or other operating systems, for example, can be with
For windows operating systems；Then, the video image of reception is decoded.In the present embodiment, image decoding is selected from but not
It is limited to Hafman decoding, all methods that can realize image decoding belong to protection scope of the present invention, for example, Shannon-model
Promise is decoded, run-length coding, arithmetic decoding.
S22：The SDL_Init functions of kylin operating system are called, it is initial using the decoded video code flow of the function pair
Change.
Conference terminal is passed through by calling the SDL_Init functions for being used to initialize video code flow in kylin operating system
Standard is carried out in the display for being initialized as the video code flow to parameters such as Video coding frame, video code flow initialization value, video qualities
It is standby.Wherein, the SDL_Init functions are set in advance in the source program of kylin operating system, and it is act as to kylin operating system
Video code flow in system is initialized, and it is reserved with routine interface, so that the external world passes through this interface interchange SDL_Init
Function.
By being provided for initializing the SDL_Init functions of video code flow in the source program of kylin operating system, so that
Correlation of the conference terminal based on the SDL_Init functions to decoded video code flow in kylin operating system is joined
Number is initialized, and is shown and is ready for the video code flow.
S23：The SDL_SetVideoMode functions of kylin operating system are called, image window is created.
In conference terminal, the corresponding display of image window of kylin operating system can be obtained according to practical operation situation
Configuration parameter information, for example, the configuration parameter information of display can be the wide and height of display, quality of colour and refreshing
Speed.In the present embodiment, due to needing to gather the image shown on screen, it is therefore desirable to obtain the resolution ratio of the display, that is, show
Show the pixel on the width and height of device.
Conference terminal is used for the SDL_SetVideoMode functions for creating image window by calling in kylin operating system,
And the resolution ratio of the corresponding display of image window according to the kylin operating system of acquisition, the width for creating image window is set
And height, the image window of the function creation is defaulted as left and right to two wickets being divided to.Wherein, the SDL_SetVideoMode letters
Number is set in advance in the source program of kylin operating system, and for creating image window in kylin operating system, it is reserved with
Routine interface, so that the external world passes through this interface interchange SDL_SetVideoMode functions.
By being provided for the SDL_ for creating image window in the source program of kylin operating system
SetVideoMode functions, so that conference terminal can be based on the SDL_SetVideoMode functions in kylin operating system
In to the corresponding display of image window set show forms wide and height.
S24：Video code flow is handled, to be shown on the image window of establishment.
Image processing apparatus is handled decoded video code flow, to be shown on the image window of establishment.To regarding
The method that frequency code stream is handled includes the SDL_CreateThread functions by calling kylin operating system, the SDL_
CreateThread functions are used in kylin operating system create first thread and the second thread.
Pair enter row format to video code flow by first thread to change, and control the image window created to be shown, i.e.,
The image of decoded yuv format is changed, in the present embodiment, and the image after conversion is selected from, but not limited to, rgb format, institute
There is the picture format that can realize the object of the invention to belong to protection scope of the present invention；User is received by the second thread to input
Control command.In the present embodiment, on the basis of the image forms of SDL_SetVideoMode function creations, pass through First Line
Journey is controlled to image forms so that the forms left side wicket shows local terminal video conference terminal video image, and forms are right
Side wicket display receives the video image of the distal end video conference terminal of decoding.
The second thread in the control instruction that user inputs, the present embodiment is received by the second thread to connect for loop control
Receive message and carry out zooming in or out for forms, and response mouse instructions.
By calling the SDL_CreateThread functions of kylin operating system, the processing of video code flow is realized, to show
On the image window of establishment.The video figure of local terminal video conference terminal can either be realized in the image window of kylin operating system
Picture, can realize the video image of distal end video conference terminal again.
The image processing method of conference terminal in the present embodiment, can realize the real-time of image in kylin operating system
Collection is with playing, so as in the case where not influenceing the usage scenario and mode of operation of original meeting, realize kylin operating system
It is compatible with original video conference system.
It should be noted that because above-mentioned steps S21-S24 belongs to image player, and step S11-S14 belongs to image and adopted
Collection, the two does not conflict, therefore above-mentioned steps S21-S24 can be before the step S11-S14 arbitrary steps shown in Fig. 1 or
Perform, can also perform simultaneously after person.
Embodiment 3
The present embodiment provides a kind of image processing apparatus of conference terminal, for performing the conference terminal in embodiment 1
Image processing method, the image processing apparatus of the conference terminal use kylin operating system, structured flowchart as shown in figure 3, including：
First call unit 31, for calling the XopenDisplay functions in kylin operating system, passes through
XopenDisplay functions open the image window of kylin operating system；
First acquisition unit 32, the configuration parameter of the image window for obtaining kylin operating system；
Second call unit 33, for calling the XGetImage functions in kylin operating system, by described
The screen picture that the image window that XGetImage functions gather the kylin operating system using the configuration parameter is shown；
Coding unit 34, the screen picture that the window for the kylin operating system to collection is shown is encoded, concurrently
Deliver to other conference terminals.
Wherein, coding unit 34 includes：
Converting unit 341, the screen picture for the image window of kylin operating system to be shown is changed by the first form
Into the second form；
5th call unit 342, for Image Coding function, to be encoded to the screen picture after conversion, will be encoded
Image information afterwards is sent to other conference terminals.
Preferably, the first form is rgb format, and the second form is yuv format.
Further, configuration parameter is the resolution ratio of display, i.e. pixel on the width and height of display.
Ins and outs of detailed description in the present embodiment, not for details, reference can be made to the correlation in embodiment as shown in Figure 1
Description.
Embodiment 4
The image processing apparatus of the conference terminal of the present embodiment, the figure for performing the conference terminal described in embodiment 2
As processing method, the image processing apparatus of the conference terminal uses kylin operating system.The image processing apparatus of the conference terminal
The device of the middle image processing method for performing the conference terminal described in embodiment 1, refer to the embodiment described in Fig. 3.The meeting
The structural representation of playing function of the image processing apparatus of terminal is discussed as shown in figure 4, the device includes：
Decoding unit 41, for receiving other meetings in the video image that other conference terminals are sent, the present embodiment
It can be kylin operating system to discuss terminal, or other operating systems, for example, can be windows operating systems；
And video image is decoded, in the present embodiment, image decoding is selected from, but not limited to, Hafman decoding, all to realize image
The method of decoding belongs to protection scope of the present invention, for example, Shannon-Fan Nuo is decoded, run-length coding, arithmetic decoding.
3rd call unit 42, for calling the SDL_Init functions of kylin operating system to realize to decoded video
Code stream is initialized.
4th call unit 43, the SDL_SetVideoMode functions for calling kylin operating system, to create image
Window.
Processing unit 44, for handling video code flow, to be shown on the image window of establishment
Ins and outs of detailed description in the present embodiment, not for details, reference can be made to the correlation in embodiment as shown in Figure 3
Description.
Embodiment 5
Fig. 5 is the hardware architecture diagram of conference terminal provided in an embodiment of the present invention, and the conference terminal is grasped using kylin
Make system, as shown in figure 5, the equipment is included in one or more processors 51 and memory 52, Fig. 3 with a processor 51
Exemplified by.
Conference terminal can also include：Video collector (not shown), for gathering video or image.Processor 51, deposit
Reservoir 52 and video player can be connected by bus or other modes, in Fig. 3 exemplified by being connected by bus.
Processor 51 can be central processing unit.Processor 51 can also be other general processors, Digital Signal Processing
Device, application specific integrated circuit, field programmable gate array or other PLDs, discrete gate or transistor logic device
The chips such as part, discrete hardware components, or above-mentioned all kinds of chips combination.General processor can be microprocessor or this at
It can also be any conventional processor etc. to manage device.
Memory 52 is as a kind of non-transient computer readable storage medium storing program for executing, available for storing non-transient software program, non-
The processing side of the image processing operations of conference terminal in transient computer executable program and module, such as the embodiment of the present application
Corresponding programmed instruction/the module of method.Processor 51 by operation be stored in non-transient software program in memory 52, instruct with
And module, so that various function application and the data processing of execute server, that is, realize in above-described embodiment, conference terminal
Image processing method.
One or more of modules are stored in the memory 52, when by one or more of processors 51
During execution, the image processing method of conference terminal as shown in the figures 1 and 2 is performed.
The said goods can perform the method that the embodiment of the present invention is provided, and possesses the corresponding functional module of execution method and has
Beneficial effect.Ins and outs of detailed description in the present embodiment, not for details, reference can be made to the phase in embodiment as shown in the figures 1 and 2
Close description.
It will be understood by those skilled in the art that embodiments of the invention can be provided as method, device or computer program production
Product.Therefore, the present invention can be using the implementation in terms of complete hardware embodiment, complete software embodiment or combination software and hardware
The form of example.Moreover, the present invention can be can use using one or more computers for wherein including computer usable program code
The computer program product that storage medium is implemented on (including but is not limited to magnetic disk storage, CD-RAM, optical memory etc.)
Form.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (10)
1. a kind of image processing method of conference terminal, it is characterised in that the conference terminal uses kylin operating system, described
Image processing method comprises the following steps：
The XopenDisplay functions in kylin operating system are called, the kylin is opened by the XopenDisplay functions
The image window of operating system；
Obtain the configuration parameter of the image window of the kylin operating system；
The XGetImage functions in the kylin operating system are called, are joined by the XGetImage functions using the configuration
The screen picture that the image window of the number collection kylin operating system is shown；
The screen picture that the image window of the kylin operating system of collection is shown is encoded, and sent to other meetings
Terminal.
2. image processing method according to claim 1, it is characterised in that also include：
The video image of other conference terminals transmission is received, and the video image is decoded；
The SDL_Init functions of the kylin operating system are called, are carried out by the decoded video code flow of SDL_Init function pairs
Initialization；
The SDL_SetVideoMode functions of the kylin operating system are called, are created by the SDL_SetVideoMode functions
Build image window；
The video code flow is handled, to be shown on the image window of establishment.
3. image processing method according to claim 1 or 2, it is characterised in that the kylin operation of described pair of collection
The screen picture that the image window of system is shown is encoded, and send to other conference terminals the step of include：
The screen picture that the image window of the kylin operating system is shown is converted into the second form by the first form；
Calling figure is as coding function, to be encoded to the screen picture after conversion, and the image information after coding is sent to it
His conference terminal.
4. image processing method according to claim 3, it is characterised in that first form is rgb format, described the
Two forms are yuv format.
5. a kind of image processing apparatus of conference terminal, it is characterised in that including：
First call unit, for calling the XopenDisplay functions in kylin operating system, by described
XopenDisplay functions open the image window of the kylin operating system；
First acquisition unit, the configuration parameter of the image window for obtaining the kylin operating system；
Second call unit, for calling the XGetImage functions in the kylin operating system, passes through the XGetImage
The screen picture that the image window that function gathers the kylin operating system using the configuration parameter is shown；
Coding unit, the screen picture that the window for the kylin operating system to collection is shown is encoded, and is sent
To other conference terminals.
6. image processing apparatus according to claim 5, it is characterised in that described image processing unit also includes：
Decoding unit, for receiving the video image of other conference terminals transmission, and is decoded to the video image；
3rd call unit, the SDL_Init functions for calling the kylin operating system, passes through SDL_Init function pair solutions
Video code flow after code is initialized；
4th call unit, the SDL_SetVideoMode functions for calling the kylin operating system, passes through the SDL_
SetVideoMode function creation image windows；
Processing unit, for handling the video code flow, to be shown on the image window of establishment.
7. the image processing apparatus according to claim 5 or 6, it is characterised in that the coding unit includes：
Converting unit, is converted into for the screen picture that shows the image window of the kylin operating system by the first form
Two forms；
5th call unit, for calling figure as coding function, to be encoded to the screen picture after conversion, after coding
Image information is sent to other conference terminals.
8. image processing apparatus according to claim 7, it is characterised in that first form is rgb format, described the
Two forms are yuv format.
9. a kind of conference terminal, it is characterised in that including：At least one processor；And it is logical with least one described processor
Believe the memory of connection；Wherein, have can be by the instruction of one computing device for the memory storage, and the instruction is by institute
At least one computing device is stated, so that the image any one of at least one described computing device Claims 1-4
Processing method.
10. a kind of non-transient computer readable storage medium storing program for executing, it is characterised in that the non-transient computer readable storage medium storing program for executing is deposited
Computer instruction is stored up, the computer instruction is used to make the image procossing any one of computer perform claim requirement 1 to 4
Method.
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| CN112738427A (en) * | 2020-12-04 | 2021-04-30 | 麒麟软件有限公司 | SM768 multi-channel video self-adaptive output method |
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