CN113434103B - Multi-screen interaction method and system based on screen virtualization and application thereof - Google Patents
Multi-screen interaction method and system based on screen virtualization and application thereof Download PDFInfo
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- CN113434103B CN113434103B CN202110706285.0A CN202110706285A CN113434103B CN 113434103 B CN113434103 B CN 113434103B CN 202110706285 A CN202110706285 A CN 202110706285A CN 113434103 B CN113434103 B CN 113434103B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
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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
- G06F9/451—Execution arrangements for user interfaces
- G06F9/452—Remote windowing, e.g. X-Window System, desktop virtualisation
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Abstract
The invention discloses a multi-screen interaction method based on screen virtualization, which is characterized in that when a system is initialized, a logical screen and application mapping configuration table and a logical screen and physical screen mapping configuration initial table are automatically established; when the system is upgraded, the system configuration updating module automatically updates the two tables; a user establishes a mapping relation between a logical screen and a physical screen through a logical screen and physical screen mapping configurator, the user manually configures the physical screen mapped by each logical screen, and after the configuration is finished, the mapping relation is recorded in a logical screen and physical screen mapping configuration table; the physical screen distributor reads the configuration information of the logical screen and the physical screen mapping configuration table, establishes communication and transmission channels with each physical screen, and projects the teaching content and application thereof corresponding to a certain logical screen onto a specified physical screen. The invention conveniently establishes the flexible association and various configuration combinations between the teaching content and the application thereof and the physical screen through the screen virtualization technology.
Description
Technical Field
The invention relates to a multi-Screen interaction technology, in particular to a Screen Virtualization technology, which is a multi-Screen interaction method, a multi-Screen interaction system and an application thereof, wherein a plurality of logical screens are automatically configured according to contents and applications required by playing of the contents and the applications, and then the logical screens are distributed to all physical screens.
Background
With the continuous advance of education informatization, a large number of new technologies are applied to classrooms, and multimedia classrooms and devices thereof are continuously developed to future digital and intelligent classrooms. At present, electronic display screens are arranged in classrooms of many schools, and a plurality of electronic display screens are additionally arranged in a plurality of classrooms.
The multi-screen interaction refers to a technology of sharing display contents on a plurality of display screens at the same time, that is, after the plurality of display screens are connected with equipment through a special network, the display and control of various contents (such as characters, pictures, audio, video and the like) can be simultaneously performed among the display screens.
Most of the existing multi-screen interactive systems achieve the same-screen display of multiple display screens in the same classroom, namely, the contents displayed by the multiple display screens are the same. For example, the AirPlay technology of apple corporation can transmit video images on apple devices to devices supporting the AirPlay, and the content on an iPad screen on a teacher's hand can be directly projected to a computer screen and an electronic display screen through wireless WiFi, so that the iPad screen, the computer screen and the electronic display screen can be in the same screen, and the function can enable a classroom or students to operate the iPad at any position of the classroom and share the relevant operation to other people in the classroom.
The on-screen display of multiple electronic display screens has some disadvantages and limitations:
firstly, most of the existing electronic display screens are in direct physical or network connection with source equipment, and the display screens only display the content of screens of the source equipment and cannot perform intelligent screen projection display according to different teaching contents and applications required by playing of the teaching contents;
secondly, the teaching process relates to various teaching contents of different types, and frequent switching of the contents can cause 'discontinuous' display of the teaching contents, so that the front-back relation of the teaching contents is split, and the teaching effect is also influenced;
and thirdly, the electronic display screens display the same content on the same screen, so that hardware resources are wasted to a certain extent, and the exertion of multi-screen interaction capacity is limited.
Disclosure of Invention
In order to solve the defects in the prior art, the invention aims to provide a multi-screen interaction method based on screen virtualization, which comprises the following steps:
step 1: when a system is initialized, automatically establishing a first table and a second table, wherein the first table is a mapping configuration table of a logic screen and an application, and the second table is an initial mapping configuration table of the logic screen and a physical screen; a logical screen and physical screen mapping configurator pops up a configuration interface, the configuration interface automatically reads a second table and loads a preset logical screen combination; the second table automatically scans the number of on-site physical screens and displays the number in the configuration interface;
step 2: when the system is upgraded, the system configuration updating module automatically detects whether the first table and the second table are updated or not, and if yes, the first table and/or the second table are/is automatically updated;
and step 3: the user establishes a mapping relation between the logical screen and the physical screen through the logical screen and physical screen mapping configurator according to the self use requirement and the physical screen position information of the deployment site, manually configures the physical screen mapped by each logical screen, and after the configuration is completed, the mapping relation is recorded in a table III; the third table is a mapping configuration table of the logical screen and the physical screen;
and 4, step 4: and the physical screen distributor reads the configuration information of the third table, establishes communication and transmission channels with each physical screen, and projects the content corresponding to a certain logical screen and the application thereof to the specified physical screen.
In the invention, the first table records the mapping relation between a group of logic screens and content playing application, the second table records the mapping relation between a group of logic screens recommended by a system and a physical screen thereof, a recording item of the physical screen is a null value in a system initialization stage, and the third table records the mapping relation between each logic screen and the physical screen after manual configuration of a user is completed.
In the invention, the logic screen classification, the selection of content playing application and the establishment of mapping relation are automatically generated by the recommendation of a new system; the logic screen classification comprises a file display screen, a video playing screen, a source code editing screen and a source code running screen; the content playing application selection comprises PowerPoint and Keynote for playing files, Windows Media Player and Quick Time for playing videos, Visual Studio and Eclipse for editing source codes, Windows command line for running the source codes and Unix Shell.
In the invention, each physical screen is set to project a logical screen; setting N as a logic screen and M as a physical screen, and when N < ═ M, allocating at least one physical screen for each logic screen; when N is larger than M, part of the logical screens still need to be switched on the physical screen; after the system is configured for the first time, the user can automatically perform multi-screen distribution and projection of content according to the configuration in each screen projection operation, or manually reconfigure the system.
Based on the above system, the present invention further provides a multi-screen interaction system based on screen virtualization, wherein the multi-screen interaction system comprises: the system comprises a system configuration updating module, a logical screen and physical screen mapping configurator and a physical screen distributor; wherein the content of the first and second substances,
the system configuration updating module automatically updates the table I and/or the table II when the system is upgraded;
the logical screen and physical screen mapping configurator establishes a mapping relation between the logical screen and the physical screen and records the mapping relation in a third table;
after the physical screen distributor is initialized and configured, when a user throws a screen each time, the system automatically reads mapping configuration information of the third table, loads mapping relations recorded in each line, establishes communication and transmission channels with each physical screen, and projects content corresponding to a certain logical screen and application thereof to a specified physical screen.
The invention also provides application of the multi-screen interaction system based on screen virtualization in a teaching scene. The method comprises the steps of automatically distributing teaching contents and applications required by playing of the teaching contents based on screen virtualization and multi-screen interaction, and a system for multi-screen interaction teaching through the method.
The technical problem to be solved by the invention is how to establish effective mapping between the teaching content and the display application thereof and the plurality of physical display screens, conveniently realize intelligent screen projection according to the teaching content and the display application thereof, avoid 'discontinuous' display caused by frequent switching, strengthen the continuity of teaching content display, and simultaneously utilize the hardware advantages of the plurality of physical screens to display the teaching type content and the application of a specific type on a specific physical screen according to the requirements of users.
In addition, the technical problems that are also solved include: the perception and classification of teaching content and application scenes, the distribution configuration between the application scenes and the physical display screen, and the realization of the whole set of system.
The present invention proposes multi-screen projection, i.e. multiple logical screens are mapped to multiple physical screens, rather than on a single physical screen. Firstly, different logical screens are divided according to different types of projection contents and different playing applications, and then the logical screens are projected onto different physical screens according to user requirements.
The main innovation point of the invention is screen virtualization, which mainly comprises two layers of mapping, namely mapping between a logical screen and an application and mapping between the logical screen and a physical screen. The classification of different types of contents and different types of applications is realized through the mapping of the logic screen and the applications, and the automatic distribution of the contents is also realized; in addition, flexible configuration of different screen projection contents and physical screens is realized through mapping of the logical screens and the physical screens, and various use requirements of users are met.
The invention has the beneficial effects that:
the invention breaks through the traditional mode of establishing direct physical or network connection between the electronic display screen and the source equipment, automatically establishes the teaching content and the mapping between the application and the logic screen through the screen virtualization technology, and then the mapping between the logic screen and the physical screen is configured by the user, thereby conveniently establishing the flexible association and various configuration combinations between the teaching content and the application and the physical screen. Even if the same content is displayed in different applications and scenes, different logic screens can be configured for displaying, so that frequent switching and 'discontinuous' display during content displaying are effectively avoided, the continuity of content displaying is enhanced, the teaching effect is improved, and meanwhile, hardware resources of a plurality of physical screens can be fully utilized.
In addition, through one-time system configuration, different types of teaching contents and applications can be automatically sensed and distributed in each screen projection process, the logic screens are automatically distributed and projected onto a specified physical screen according to a preset mapping relation, manual intervention is not needed, and automatic distribution and intelligent screen projection of the teaching contents are achieved.
Besides being suitable for teaching contents and applications required by playing of the teaching contents, the screen virtualization technology provided by the invention is also suitable for wider application scenes with various types of screen projection contents or various playing applications.
Drawings
FIG. 1 is a diagram of the screen virtualization method and system architecture of the present invention;
FIG. 2 is a behavioral model of system configuration and operation;
FIG. 3 is an implementation of example 1 of the invention;
fig. 4 is an implementation of embodiment 2 of the invention.
Detailed Description
The present invention will be described in further detail with reference to the following specific examples and the accompanying drawings. The procedures, conditions, experimental methods and the like for carrying out the present invention are general knowledge and common general knowledge in the art except for the contents specifically mentioned below, and the present invention is not particularly limited.
The invention provides a teaching content based on screen virtualization and an automatic distribution and multi-screen interaction method and a system for playing required applications of the teaching content, and provides concepts of screen virtualization and logical screens.
As shown in fig. 1, the method for configuring the system and the architecture diagram of the system thereof have the following specific steps:
the system of the invention comprises: the system comprises a system configuration updating module, a logical screen and physical screen mapping configurator and a physical screen distributor.
The system configuration update module: when the system is upgraded, the system configuration updating module can automatically update the table one and/or the table two, for example, a new application program is added to a certain logic screen classification, or a new application combination causes a new logic screen to be added, and the like.
The logical screen and physical screen mapping configurator comprises: and establishing a mapping relation between the logical screen and the physical screen, recording the mapping relation in 'table three', wherein the mapping configuration of the logical screen and the physical screen is configured by a user according to needs and can be repeatedly modified.
The mapping relation is mainly realized through a mapping table configuration mode. The method comprises the following specific steps: when the system is initialized, a mapping relation between each physical screen and each logical screen is manually configured by a user (such as a system configuration manager, an operator, a teacher and the like) through a mapping configurator of the logical screens and the physical screens, and is recorded in a logical screen and physical screen mapping configuration table.
The physical screen distributor: after initialization configuration, when a user throws a screen each time, the system automatically reads mapping configuration information of a logical screen and physical screen mapping configuration table of the third table, loads mapping relations recorded in each line, establishes communication and transmission channels with each physical screen, and projects teaching contents and application thereof corresponding to a certain logical screen onto a specified physical screen.
The 'table one' refers to a logic screen and application mapping configuration table;
the second table refers to an initial table for mapping configuration of the logical screen and the physical screen;
the third table refers to a mapping configuration table of the logical screen and the physical screen.
Based on the system, the invention also provides a using method, which comprises the following steps:
the method comprises the following steps: when the system is initialized, a logical screen and physical screen mapping configurator pops up a configuration interface, the interface automatically reads a second logical screen and physical screen mapping configuration initial table, and a preset logical screen combination is loaded; then, automatically scanning the number of the on-site physical screens of the table two, namely mapping and configuring the initial table by the logical screen and the physical screen, displaying the number in a configuration interface, and automatically establishing two tables: table one "logical screen and application mapping configuration table" and table two "logical screen and physical screen mapping configuration initial table".
The 'table one' records the mapping relation between a group of logic screens and common teaching content playing applications, wherein the classification of the logic screens, the selection of the applications and the establishment of the mapping relation are automatically generated by system recommendation, and a user does not need to additionally configure.
The second table records a mapping relation between a group of logical screens and physical screens recommended by the system, and because the physical screens are not sensed and configured at the current system initialization stage, the recording items of the physical screens are null values.
The logic screen classification comprises a courseware display screen, a video playing screen, a source code editing screen, a source code running screen and the like;
the selection of the application comprises PowerPoint, Keynote and the like for playing courseware, Windows Media Player, Quick Time and the like for playing video, Visual Studio, Eclipse and the like for source code editing, Windows command line for source code running, Unix Shell and the like.
Step two: "Table one" and "Table two" are automatically generated and loaded by the system during the initialization phase by default. When the system is upgraded, the system configuration updating module can automatically detect whether the first table and the second table are updated or not, and if the first table and the second table are updated, the first table and/or the second table are automatically updated, for example, a new application program is added to a certain logic screen classification, or a new application combination causes a new logic screen to be added, and the like.
Step three: a user establishes a mapping relation between a logical screen and a physical screen through a logical screen and physical screen mapping configurator according to self use requirements and by combining with information such as the position of a physical screen on a deployment classroom site, the user manually configures the physical screen mapped by each logical screen, and after the configuration is finished, the mapping relation is recorded in a logical screen and physical screen mapping configuration table in the third table. The configuration of the table three is configured by the user according to needs and can be repeatedly modified. Each physical screen is configured to project a logical screen. The projection refers to mapping a logical relationship, and the projection is an action of the logical relationship after materialization in the scene. When N is equal to M, N is a logic screen, M is a physical screen, and at least one physical screen can be allocated to each logic screen, so that frequent switching and 'discontinuous' display are avoided; when N > M, part of the logical screen still needs to be switched over on the physical screen.
Step four: the physical screen distributor reads the configuration information of the table III, establishes communication and transmission channels with each physical screen, and projects the teaching content corresponding to a certain logical screen and the application thereof to the specified physical screen.
As shown in fig. 2, after the system is configured for the first time, the user performs multi-screen distribution and projection of the teaching content automatically according to the configuration each time the user performs a screen projection operation, and the user may reconfigure the system as needed.
The user can repeatedly screen, and after the initial configuration, the repeated/repeated screen-throwing behavior in daily use is the screen-throwing behavior without manual configuration and automatic loading of the set configuration.
Example 1
Taking a computer programming course teaching as an example, the teaching contents to be displayed comprise courseware, videos, source codes and the like. Here, the courseware may have a plurality of formats such as ppt,. pptx,. key, etc., and different applications such as PowerPoint or Keynote, etc. may be used for courseware explanation. Video also includes a variety of video formats, such as,. avi,. mp4,. mov, etc., and video playback may use different applications, such as Windows Media Player, Apple QuickTime, etc. In addition, computer programming course teaching involves two application scenarios of editing and running source codes, Visual Studio, Eclipse and other tools may be used when editing program source codes, and Windows command line, Unix Shell and other tools may be used when running program source codes. The teaching contents are different in types and related applications and scenes during display, and if only one display screen is arranged in a classroom or the same content is displayed on the same display screen of a plurality of display screens, the screens need to be frequently switched, so that discontinuous display is caused.
According to the method and the system of the invention, as shown in fig. 3, when the system is initially configured for the first time, the system configuration of table one and table two is loaded, and four logic screens are defined, which respectively correspond to courseware display, video playing, source code editing and source code running. The logic screen 1 is used for playing courseware, running applications such as PowerPoint and Keynote, and continuously playing courseware during courseware, so that the continuity of courseware demonstration is ensured. The logic screen 2 is used for playing videos, running applications such as Windows Media Player and QuickTime, and independently presenting when needing to play videos without influencing the display of courseware in the logic screen 1. The logic screen 3 is used for editing source codes and running applications such as Visual Studio, Eclipse and the like; the logic screen 4 is used for executing source codes and running applications such as Windows command lines and Unix Shell; even if the same set of source codes uses the logic screen 3 during editing and uses the logic screen 4 during running, the logic screen and the logic screen are not affected with each other and do not need to be switched.
The concept of the logic screen provides an operable layer of implementation logic, and classifies specific application scenes. Next, the "logical screen" is to be dropped onto the "physical screen". As shown in fig. 3, assuming there are four corresponding physical screens, the system automatically recommends a mapping of a set of logical screens and physical screens, and the user can perform manual configuration according to the classroom site conditions and the use requirements of the user, and start to screen after the configuration is completed. Each physical screen can display the content of the distributed logic screen, the contents are not mutually interfered, and the problem of 'discontinuous' display caused by frequently switching the screens is effectively avoided.
Example 2
Taking any course teaching containing video as an example, the teaching content to be displayed is a set of courseware, the application mainly playing the courseware is PowerPoint, meanwhile, some slides in the courseware may contain video, the application mainly playing the video is Windows Media Player, because the full screen is occupied when playing the video, a certain degree of 'intermittence' display is caused, therefore, in the system configuration, all courseware interpretations are designated to be placed on a 'logic screen 1' and projected on a 'physical screen 1' and a 'physical screen 2' which are positioned at the front and back of a classroom, when the video needs to be played in the courseware interpretation process, the video and the playing application thereof are automatically distributed to a 'logic screen 2' and projected on a 'physical screen 3' and a 'physical screen 4' which are positioned at the left and the right of the classroom, thereby realizing the dynamic sensing and the automatic screen projection of the teaching content, in addition, the content of a certain logic screen is distributed to two physical screens at different positions, the advantages of multi-screen hardware are reasonably utilized, and meanwhile, the screen projection effect of each position of a classroom is guaranteed.
The protection of the present invention is not limited to the above embodiments. Variations and advantages that may occur to those skilled in the art may be incorporated into the invention without departing from the spirit and scope of the inventive concept, and the scope of the appended claims is intended to be protected.
Claims (6)
1. A multi-screen interaction method based on screen virtualization is characterized by comprising the following steps:
step 1: when a system is initialized, automatically establishing a first table and a second table, wherein the first table is a mapping configuration table of a logic screen and an application, and the second table is an initial mapping configuration table of the logic screen and a physical screen; a logical screen and physical screen mapping configurator pops up a configuration interface, the configuration interface automatically reads a second table and loads a preset logical screen combination; the second table automatically scans the number of on-site physical screens and displays the number in the configuration interface;
step 2: when the system is upgraded, the system configuration updating module automatically detects whether the first table and the second table are updated or not, and if yes, the first table and/or the second table are/is automatically updated;
and step 3: the user establishes a mapping relation between the logical screen and the physical screen through the logical screen and physical screen mapping configurator according to the self use requirement and the physical screen position information of the deployment site, manually configures the physical screen mapped by each logical screen, and after the configuration is completed, the mapping relation is recorded in a table III; the third table is a mapping configuration table of the logical screen and the physical screen;
and 4, step 4: and the physical screen distributor reads the configuration information of the third table, establishes communication and transmission channels with each physical screen, and projects the content corresponding to a certain logical screen and the application thereof to the specified physical screen.
2. A multi-screen interaction method as claimed in claim 1, wherein the first table records a mapping relationship between a group of logical screens and a content playing application, the second table records a mapping relationship between a group of logical screens and physical screens thereof recommended by a system, a record item of a physical screen is null at a system initialization stage, and the third table records a mapping relationship between each logical screen and each physical screen after manual configuration by a user is completed.
3. A multi-screen interaction method as recited in claim 1, wherein the logical screen classification, selection of content playback applications, and mapping relationship establishment are automatically generated by new system recommendations; the logic screen classification comprises a file display screen, a video playing screen, a source code editing screen and a source code running screen; the content playing application selection comprises PowerPoint and Keynote for playing files, Windows Media Player and Quick Time for playing videos, Visual Studio and Eclipse for editing source codes, Windows command line for running the source codes and Unix Shell.
4. A multi-screen interaction method as recited in claim 1, wherein each of the physical screens is configured to project a logical screen; setting N as a logic screen and M as a physical screen, and when N < ═ M, allocating at least one physical screen for each logic screen; when N is larger than M, part of the logical screens still need to be switched on the physical screen; after the system is configured for the first time, the user can automatically perform multi-screen distribution and projection of content according to the configuration in each screen projection operation, or manually reconfigure the system.
5. A multi-screen interaction system based on screen virtualization, wherein the system adopts the multi-screen interaction method as claimed in any one of claims 1 to 4, and the multi-screen interaction system comprises: the system comprises a system configuration updating module, a logical screen and physical screen mapping configurator and a physical screen distributor; wherein the content of the first and second substances,
the system configuration updating module automatically updates the table I and/or the table II when the system is upgraded;
the logical screen and physical screen mapping configurator establishes a mapping relation between the logical screen and the physical screen and records the mapping relation in a third table;
after the physical screen distributor is initialized and configured, when a user throws a screen each time, the system automatically reads mapping configuration information of the third table, loads mapping relations recorded in each line, establishes communication and transmission channels with each physical screen, and projects content corresponding to a certain logical screen and application thereof to a specified physical screen.
6. The application of the multi-screen interaction system based on screen virtualization of claim 5 in a teaching scene.
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