CN113129933B - Terminal display control method, device, equipment and computer readable storage medium - Google Patents
Terminal display control method, device, equipment and computer readable storage medium Download PDFInfo
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- CN113129933B CN113129933B CN201911413977.5A CN201911413977A CN113129933B CN 113129933 B CN113129933 B CN 113129933B CN 201911413977 A CN201911413977 A CN 201911413977A CN 113129933 B CN113129933 B CN 113129933B
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10527—Audio or video recording; Data buffering arrangements
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/70—Information retrieval; Database structures therefor; File system structures therefor of video data
- G06F16/74—Browsing; Visualisation therefor
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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
Abstract
The invention relates to a terminal display control method, a device, equipment and a computer readable storage medium, wherein the screen display control method comprises the following steps: acquiring a terminal list, wherein the terminal list comprises at least one piece of terminal information; acquiring a play list of each terminal in at least one piece of terminal information, wherein the play list comprises a plurality of pieces of first visible display file information configured according to the authority of the terminal; and respectively sending a first playing instruction to at least one terminal, wherein the first playing instruction comprises a plurality of pieces of information of the first visible display files, and the first playing instruction is used for enabling the terminal to play the plurality of pieces of the first visible display files according to the first playing instruction. The invention can configure the displayable content of the terminal according to the authority of the terminal so as to meet the personalized display requirements of different display scenes, has flexible and simple operation, does not need the operator to watch, and reduces the labor cost.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method, an apparatus, a device, and a computer readable storage medium for controlling terminal display.
Background
The display content of the existing terminal display system is directly transmitted to the cloud system, and the terminal reads out data from the cloud system. In the whole display process, the display content is lack of control, and the personalized display requirements of different display scenes cannot be better met. In addition, the display process needs to be completed by a plurality of people, the operation is complex, and the labor cost is high.
Disclosure of Invention
The invention aims to provide a terminal display control method and a device, wherein the terminal display control method can control display content information of at least one terminal.
Thus, in a first aspect, the present invention provides a terminal presentation control method, including: acquiring a terminal list, wherein the terminal list comprises at least one piece of terminal information; acquiring a play list of each terminal in at least one piece of terminal information, wherein the play list comprises a plurality of pieces of first visible display file information configured according to the authority of the terminal; and respectively sending a first playing instruction to at least one terminal, wherein the first playing instruction comprises a plurality of pieces of information of the first visible display files, and the first playing instruction is used for enabling the terminal to play the plurality of pieces of the first visible display files according to the first playing instruction.
According to an aspect of the embodiment of the present invention, after acquiring the playlist of each terminal in the at least one terminal information, the presentation control method further includes: editing a plurality of first visible display files configured according to the authority of the terminal to obtain at least one piece of second visible display file information; and respectively sending a second playing instruction to at least one terminal, wherein the second playing instruction comprises at least one piece of second visible display file information, and the second playing instruction is used for enabling the terminal to play at least one piece of second visible display file according to the second playing instruction.
According to an aspect of the embodiment of the present invention, editing a plurality of first visual presentation files configured according to rights of a terminal to obtain at least one second visual presentation file information includes: and modifying, deleting or adjusting the playing sequence of the plurality of first visual display files configured according to the authority of the terminal to obtain at least one piece of second visual display file information.
In a second aspect, the present invention further provides a terminal display control method, including: sending a play list of the terminal to the central control equipment, wherein the play list comprises information of a plurality of first visible display files configured according to the authority of the terminal; receiving a first playing instruction sent by the central control equipment according to the playlist, wherein the first playing instruction comprises a plurality of pieces of first visible display file information; and playing a plurality of first visual display files according to the first playing instruction.
According to an aspect of the present invention, before sending the play list of the terminal to the central control apparatus, the terminal presentation control method further includes: sending a play request to a server, wherein the play request is used for requesting authorized play content from the server; receiving authorized playing content sent by a server, wherein the playing content is encrypted playing content; a playlist is generated from the play content.
According to an aspect of the present invention, before playing the plurality of first visual presentation files according to the first playing instruction, the terminal presentation control method further includes: a plurality of first visual presentation files are decrypted.
According to an aspect of the present invention, the playing method further includes: receiving a second playing instruction sent by the central control equipment, wherein the second playing instruction comprises at least one piece of second visible display file information; and playing at least one second visual display file according to the second playing instruction.
According to an aspect of the invention, the plurality of first visual presentation files includes a video file, a text file, and a voice file synchronized with the text file.
In a third aspect, the present invention further provides a terminal display control device, including: the terminal acquisition unit is used for acquiring a terminal list, wherein the terminal list comprises at least one terminal; the obtaining unit is further used for obtaining a play list of each terminal in the at least one terminal information, wherein the play list comprises a plurality of first visible display file information configured according to the authority of the terminal; the first sending unit is used for respectively sending first playing instructions to at least one terminal, the first playing instructions comprise a plurality of pieces of first visible display file information, and the first playing instructions are used for enabling the terminal to play the plurality of pieces of first visible display files according to the first playing instructions.
In a fourth aspect, the present invention further provides a terminal display control device, including: the second sending unit is used for sending a play list of the terminal to the central control equipment, wherein the play list comprises information of a plurality of first visible display files configured according to the authority of the terminal; the receiving unit is used for receiving a first playing instruction sent by the central control equipment according to the playlist, wherein the first playing instruction comprises a plurality of pieces of first visible display file information; and the playing unit is used for playing a plurality of first visible display files according to the first playing instruction.
In another aspect, the present invention also provides an apparatus, including: a memory storing computer program instructions; and a processor, which when executed by the processor, implements the terminal presentation control method as described above.
In another aspect, the present invention also provides a computer storage medium, the computer-readable storage medium including instructions that, when executed on a computer, cause the computer to perform the terminal presentation control method as described above.
According to the terminal display control method and device, the displayable content of the terminal is configured according to the authority of the terminal, so that personalized display requirements of different display scenes are met, the operation is flexible and simple, the operator is not required to watch, and the labor cost is reduced.
Drawings
Features, advantages, and technical effects of exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of a terminal display control system according to an embodiment of the present invention;
fig. 2 is a flow chart of a terminal display control method provided by an embodiment of the present invention;
fig. 3 is a flow chart of another terminal display control method according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a terminal display control device according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of another terminal display control device according to an embodiment of the present invention.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following detailed description of the embodiments and the accompanying drawings are provided to illustrate the principles of the invention and are not intended to limit the scope of the invention, i.e., the invention is not limited to the embodiments described.
In the description of the present invention, it should be noted that the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance unless otherwise indicated.
In order to better understand the present invention, a detailed description of a terminal presentation control method and apparatus according to an embodiment of the present invention is described below with reference to fig. 1 to 5.
As shown in fig. 1, an embodiment of the present invention proposes a terminal presentation control system. The terminal display control system comprises a terminal, a central control device and a server. The terminal may be at least one terminal with a display screen, such as a mobile phone, a television, a large display screen of an exhibition hall, etc. The display content is stored in the cloud storage end and then displayed through terminals such as televisions, mobile phones and exhibition hall big screens.
And all terminals interact instructions with the load balancing server through RESTFUL API interface and HTTPS protocol. HTTPS action has two roles: firstly, an information security channel is established to ensure the security of data transmission, and secondly, the authenticity of the website is confirmed. The firewall separates the intranet from the extranet, realizes the data interaction of the intranet and the extranet by the NAT technology, effectively monitors any activity between the intranet and the extranet, and ensures the safety of the internal network. The load balancing server is deployed at the exit, and all requests sent by the front end pass through the load balancing server, and the load balancing server is uniformly controlled. The load balancer conceals the back-end server, improves the overall performance, and carries out fault transfer and reasonably distributes tasks according to the weight. In addition, the background service logic server is separated from the client service logic server, so that the background service and the client service are ensured not to be influenced and stable.
In addition, the database memory ensures basic data security and file authorization information, and the cloud storage service memory KMS (Key Management Service) is a secure, highly reliable key management system. When a user uploads an Object, the user carries an HTTP Header of the x-oss-server-side-encryption in the request and designates the HTTP Header as a KMS, the KMS encrypts the Object by using a CMK created by default by the system, and if the user designates the x-oss-server-side-encryption-key-id in the request, the oss is encrypted and decrypted by using the designated CMK. The use of a CMK that is autonomously specified by the user can provide greater flexibility, including creating, rotating, disabling, and custom access control, as well as auditing encryption key capabilities for protecting data.
The central control end sends out instructions to control the terminal through an advanced data link control procedure (High Level Data Link Control, HDLC), and the HDLC is a data link layer protocol for transmitting data and facing bits on a synchronous network. The protocol has the advantages of no dependence on any character code set, transparent transmission of data message, high transmission efficiency of data link, high transmission reliability and great flexibility. Terminals such as televisions and mobile phones can directly access the server to display contents, and can also display contents in a linkage way through the central control equipment.
The specific flow of the terminal display control method provided by the embodiment of the invention is described in detail below with reference to the accompanying drawings.
Referring to fig. 2, an embodiment of the present invention provides a terminal display control method, including:
step S1: and acquiring a terminal list, wherein the terminal list comprises at least one piece of terminal information.
In the embodiment of the invention, the server creates the special account number for each exhibition hall, and performs personalized content configuration on the special account number, and can inherit general configuration. The proprietary account number may be, for example, a combination of a terminal account number and a showroom attribute. The central control equipment of the exhibition hall directly adopts the special account number to log in, and after the large screen is accessed, the corresponding compound special account number is used for logging in. The composite proprietary account number may be numbered, for example, "proprietary account number" + "No" +. The server stores the created account information in a database, and ensures the uniqueness of each of the newly created private account and the composite private account.
And the server judges a terminal list corresponding to the central control equipment according to the special account information of the central control equipment. The central control equipment acquires a terminal list from the server at regular time, and displays the received terminal list. If the terminal list is changed, the terminal list is automatically refreshed and displayed. In the prior art, the access mode of the terminal and the server mainly judges whether to access according to the same network segment, and in practical application, a plurality of network segments may exist in a network in an exhibition hall, and the access mode of the terminal is easily affected by a network environment. In the embodiment of the invention, the terminal access central control equipment is mainly controlled by the account number, is not influenced by the network environment, does not need additional configuration of a terminal user, and is simple and easy to use.
Step S2: a play list of each terminal in at least one terminal information is acquired, wherein the play list comprises a plurality of first visible display file information configured according to the authority of the terminal.
The user logs in the central control equipment by using the special account number, the central control equipment receives a user login instruction, and the RESTFUL style login interface is called through HTTPS protocol communication to verify the user login. After successful login, the central control device registers HDLC service to start monitoring for monitoring working state of at least one terminal device. The user logs in the terminal by using the composite special account, the terminal receives a login instruction, and the user login is verified by calling a RESTFUL interface login interface through HTTPS protocol communication. After successful login, the HDLC service is registered. And the central control equipment and at least one terminal establish connection through an HDLC protocol.
The server configures a visible content list for each proprietary account number, and meets the personalized display requirements of different display scenes. The central control equipment receives a content viewing instruction of at least one terminal, sends a content list inquiring instruction to the server, and the server receives the content list inquiring instruction and inquires a visible content list configured for each proprietary account in the database. The central control equipment acquires a play list of the terminal according to the visible content list and the terminal information and stores the play list, wherein the play list comprises a plurality of first visible display file information configured according to the authority of the terminal. The play list is stored in the server and can be used for a long time.
Step S3: and respectively sending a first playing instruction to at least one terminal, wherein the first playing instruction comprises a plurality of pieces of information of the first visible display files, and the first playing instruction is used for enabling the terminal to play the plurality of pieces of the first visible display files according to the first playing instruction.
The central control equipment acquires the play list, then selects the terminal to be configured, clicks the file or the file list to be played, and sends a first play instruction to the terminal, so that frequent management of the play file is omitted. And the terminal plays a plurality of first visible display files according to the first playing instruction. Because the central control equipment is associated with the terminals of the exhibition hall through the login account, the central control equipment can remotely control the play content of the terminals, and the unmanned exhibition hall is realized.
According to the terminal display control method provided by the embodiment of the invention, the displayable content of the terminal is configured according to the authority of the terminal, so that the personalized display requirements of different display scenes are met, the operation is flexible and simple, the operator is not required to watch, and the labor cost is reduced.
Further, after step S2, that is, after the playlist of each terminal in the at least one terminal information is acquired, the presentation control method further includes:
step S4: editing a plurality of first visible display files configured according to the authority of the terminal to obtain at least one piece of second visible display file information;
step S5: and respectively sending a second playing instruction to at least one terminal, wherein the second playing instruction comprises at least one piece of second visible display file information, and the second playing instruction is used for enabling the terminal to play at least one piece of second visible display file according to the second playing instruction.
Further, in step S4, editing the plurality of first visual presentation files configured according to the authority of the terminal to obtain at least one second visual presentation file information, including:
step S41: and modifying, deleting or adjusting the playing sequence of the plurality of first visual display files configured according to the authority of the terminal to obtain at least one piece of second visual display file information.
In the embodiment of the invention, in the linkage process of the central control equipment and at least one terminal, the central control equipment can edit a plurality of first visible display files configured according to the authority of the terminal, for example, the central control equipment can control the display content of a plurality of terminals accessed to an exhibition hall in real time, can switch the display content of each terminal in real time, or terminate the playing of a certain terminal, so that one-to-many control is realized, and the operation is flexible and changeable.
It should be noted that operations such as adding or deleting a plurality of first visible display file information in the playlist, adjusting a playing sequence, etc. are only used for modifying display information of the playlist, and will not modify a display file stored in the server. When the specific content of the display file needs to be modified, the modification is needed through a server, so that the controllability of the display content is ensured.
Therefore, in the embodiment of the invention, the range of the visible file is determined by the server configuration account, and the visible file is synchronized to the terminal in real time by a professional technical means, so that the problem of singleness that the visible file is stored and then sent to the terminal for playing in the prior art is avoided. In addition, the central control equipment is automatically connected with at least one terminal, each terminal can be accurately positioned, the display content of each terminal is linked in real time, the display effect of the terminal is greatly improved, and the workload of control of a plurality of terminals is reduced.
Referring to fig. 3, the embodiment of the invention further provides a terminal display control method, which includes:
step R1: and sending a play list of the terminal to the central control equipment, wherein the play list comprises information of a plurality of first visible display files configured according to the authority of the terminal.
After the terminal is connected with the central control equipment through the account, a play list of the terminal is sent to the central control equipment, wherein the play list comprises information of a plurality of first visible display files configured according to the authority of the terminal, so that the display content of the terminal is in a controllable state.
Step R2: and receiving a first playing instruction sent by the central control equipment according to the playlist, wherein the first playing instruction comprises a plurality of pieces of first visible display file information.
After a common user logs in an account number of a terminal such as a television or a mobile phone APP, the terminal such as the television or the mobile phone APP receives a user login instruction, inquires, verifies and stores a user name and a password. After successful login, the server allocates visible resources through the authority of the account, and can implement synchronization to the terminal according to the synchronization technology. Such as: beijing documents are only visible in Beijing exhibition halls, and adult documents are only visible in adult places; the universal promotion file can be used for appointing to distribute places and can be used for checking a plurality of exhibition halls. If the file played by the exhibition hall where the current account is located needs to be placed on shelf in an emergency, the local play can be immediately stopped by modifying the authority of the terminal account.
Step R3: and playing a plurality of first visual display files according to the first playing instruction.
After the central control equipment initiates a first playing instruction through the encryption channel, the terminal starts to play the authorized plurality of first visible display files. After receiving the first playing instruction, the terminal optimizes adaptation aiming at the depth of the terminal in the exhibition hall, adapts to the network state, and sends different code rates to the terminal.
Specifically, after receiving the first playing command, the terminal requests the server to play a plurality of first visible display files, and meanwhile, the terminal transmits the network condition to the server. After receiving the play request, the server pushes a proper code rate to the terminal according to the network condition. In the playing process, the server automatically switches the code rate according to the network condition. Therefore, the automatic real-time switching of various code rates under different network speeds is realized, the high-definition code rate video is automatically switched under the high-bandwidth and high-rate network environment, and the low code rate is automatically switched under the poor network environment.
Further, before step R1, that is, before sending the play list of the terminal to the central control device, the terminal presentation control method further includes:
step R01: and sending a play request to the server, wherein the play request is used for requesting authorized play content from the server.
An administrator at the server side uploads the display file, can classify and identify the play content of the display file, and sets a visible file range for different terminal accounts, so that the existing resources can be effectively shared, and information sharing and resource sharing are achieved. After the display file is uploaded, an administrator is required to examine and approve, and the controllable playing content is ensured. By limiting that only an administrator has the uploading authority of the playing content, the playing content can be ensured to meet the regulations, and the quality of the playing content is ensured.
Step R02: and receiving authorized playing content sent by the server, wherein the playing content is encrypted playing content.
The server caches the played content to a storage medium after multiple encryption, and simultaneously starts a high-performance safe caching mechanism, asynchronous video downloading is performed, and after successful downloading, file coding, encryption, compression and scattering technology protection is performed, so that 99.9% of safety protection is achieved, and the safety of the displayed content is ensured. The video file can be subjected to a unique lossless compression technology, 45% of space occupation ratio is saved by the same ratio of the compressed contrast source file, the fluency is improved by 30%, and the appearance is not influenced.
Step R03: a playlist is generated from the play content.
Further, before step R3, that is, before playing the plurality of first visual presentation files according to the first playing instruction, the terminal presentation control method further includes:
step R21: a plurality of first visual presentation files are decrypted.
Further, the terminal display control method provided by the embodiment of the invention further comprises the following steps:
step R4: receiving a second playing instruction sent by the central control equipment, wherein the second playing instruction comprises at least one piece of second visible display file information;
step R5: and playing at least one second visual display file according to the second playing instruction.
If the current file needs to be skipped to play a new file in the playing process, only a new playing instruction is needed to be sent, the file which is being played immediately exits, and the new file starts to be played. If multicast is needed, the files to be played can be added into a play set, a set command is sent, and the terminal plays circularly according to the play list, so that the unattended operation state of the exhibition hall can be achieved, and the exhibition cost of the exhibition hall is saved by about 35%.
Further, the plurality of first visual presentation files in step R3 include a video file, a text file, and a voice file synchronized with the text file.
The video file is uploaded through the server, and the server automatically converts the content of the video file into m3u8 format for storage. The m3u8 format supports the mainstream browser of windows, androis, ios equipment on the market at present, and the same video file can be played in a flash environment and also can be played in an html5 environment without flash. Therefore, terminals such as mobile phones, televisions and the like with various brands and different models in the market can be guaranteed to normally display the played content, and display fluency is improved.
The text file is uploaded through a server, the text file is a presentation file (PPT), after the server automatically identifies the playing content, the server fits pictures and commentary and sends the pictures and the commentary to a terminal in a sound-picture synchronous mode, and when the terminal plays the text file content, a virtual robot explains the explanation of a preset current page. Through this kind of wisdom explanation mode, can guarantee to explain the style unification, the explanation level is stable, does not receive individual commentator ability restriction, satisfies the operation requirement of high-efficient and intelligent scene application.
Referring to fig. 5, the embodiment of the invention further provides a terminal display control device, which includes: an acquisition unit 10 and a first transmission unit 20.
The acquiring unit 10 is configured to acquire a terminal list, where the terminal list includes at least one terminal; the acquisition unit is further configured to acquire a playlist of each terminal in the at least one terminal information, where the playlist includes a plurality of first visual presentation file information configured according to rights of the terminal.
The first sending unit 20 is configured to send a first play instruction to at least one terminal, where the first play instruction includes a plurality of first visual presentation file information, and the first play instruction is configured to enable the terminal to play a plurality of first visual presentation files according to the first play instruction.
The terminal display control device can be central control equipment of an exhibition hall.
Referring to fig. 5, the embodiment of the invention further provides a terminal display control device, which includes: a second transmitting unit 30, a receiving unit 40 and a playing unit 50.
The second sending unit 30 is configured to send a playlist of the terminal to the central control device, where the playlist includes information of a plurality of first visible display files configured according to rights of the terminal;
the receiving unit 40 is configured to receive a first play instruction sent by the central control device according to the play list, where the first play instruction includes a plurality of first visual presentation file information.
The playing unit 50 is used for playing a plurality of first visual presentation files according to a first playing instruction.
The terminal display control device can be a mobile phone, a television, a large exhibition hall screen and other terminals.
It can be understood that the terminal display control device provided in the embodiment of the present invention is an execution body of the foregoing terminal display control method, and the content of the terminal display control method is specifically implemented by each unit of the terminal display control device, which is not described herein again.
In addition, the embodiment of the invention also provides equipment, which comprises the following components:
a memory storing computer program instructions;
a processor, which when executed by the processor, implements any of the terminal presentation control methods as described above.
In addition, the embodiment of the invention also provides a computer readable storage medium, which comprises instructions, when the instructions run on a computer, cause the computer to execute any of the terminal presentation control methods as described above.
While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present invention is not limited to the predetermined embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.
Claims (12)
1. The terminal display control method is characterized by being applied to central control equipment and comprising the following steps of:
acquiring a terminal list from a server, wherein the terminal list comprises at least one piece of terminal information;
acquiring a play list of each terminal in the at least one piece of terminal information from the terminal based on an HDLC protocol pre-established with the terminal, wherein the play list comprises a plurality of first visible display file information configured according to the authority of the terminal;
respectively sending a first playing instruction to the at least one terminal, wherein the first playing instruction comprises the plurality of first visible display file information, and the first playing instruction is used for enabling the terminal to play the plurality of first visible display files according to the first playing instruction;
the obtaining the terminal list from the server comprises the following steps:
under the condition that the central control equipment adopts a proprietary account number to log in, acquiring a terminal list from a server based on the proprietary account number;
before the acquiring the playlist of each of the at least one terminal information from the terminal, the method further includes:
under the condition that a user logs in the central control equipment by adopting the special account number, the central control equipment registers HDLC service to start monitoring for monitoring the working state of at least one terminal;
under the condition that the user logs in the at least one terminal by adopting a composite proprietary account number, the at least one terminal registers HDLC service; the composite proprietary account number is associated with the proprietary account number;
and the central control equipment and the at least one terminal establish connection through an HDLC protocol.
2. The terminal presentation control method according to claim 1, wherein after acquiring a playlist of each of the terminals in the at least one terminal information, the presentation control method further comprises:
editing a plurality of first visible display files configured according to the authority of the terminal to obtain at least one piece of second visible display file information;
and respectively sending a second playing instruction to at least one terminal, wherein the second playing instruction comprises the at least one second visible display file information, and the second playing instruction is used for enabling the terminal to play the at least one second visible display file according to the second playing instruction.
3. The terminal presentation control method according to claim 2, wherein the editing the plurality of first visual presentation files configured according to the authority of the terminal to obtain at least one second visual presentation file information includes:
and modifying, deleting or adjusting the playing sequence of the plurality of first visual display files configured according to the authority of the terminal to obtain the information of the at least one second visual display file.
4. The terminal display control method is characterized by being applied to a terminal and comprising the following steps of:
transmitting a play list of a terminal to a central control device based on an HDLC protocol pre-established with the central control device, wherein the play list comprises information of a plurality of first visible display files configured according to the authority of the terminal;
receiving a first playing instruction sent by the central control equipment according to the playlist, wherein the first playing instruction comprises the plurality of first visible display file information;
playing the plurality of first visible display files according to the first playing instruction;
before the sending of the play list of the terminal to the central control device, the method further comprises:
under the condition that a user logs in the central control equipment by adopting a special account, the central control equipment registers HDLC service to start monitoring for monitoring the working state of the terminal;
under the condition that the user logs in the terminal by adopting a composite special account, the terminal registers HDLC service; the composite proprietary account number is associated with the proprietary account number;
and the terminal and the central control equipment are connected through an HDLC protocol.
5. The terminal presentation control method according to claim 4, wherein before the transmitting of the play list of the terminal to the center control device, the terminal presentation control method further comprises:
sending a play request to a server, wherein the play request is used for requesting authorized play content from the server;
receiving authorized playing content sent by the server, wherein the playing content is encrypted playing content;
and generating the play list according to the play content.
6. The terminal presentation control method according to claim 5, wherein before the playing the plurality of first visual presentation files according to the first play instruction, the terminal presentation control method further comprises:
decrypting the first plurality of visual presentation files.
7. The terminal presentation control method according to any one of claims 4 to 6, characterized in that the terminal presentation control method further comprises:
receiving a second playing instruction sent by the central control equipment, wherein the second playing instruction comprises at least one piece of second visual display file information;
and playing the at least one second visible display file according to the second playing instruction.
8. The terminal presentation control method as claimed in claim 4, wherein the plurality of first visual presentation files includes a video file, a text file, and a voice file synchronized with the text file.
9. The terminal display control device is characterized by being applied to central control equipment and comprising:
an acquisition unit configured to acquire a terminal list from a server, the terminal list including at least one terminal; the obtaining unit is further configured to obtain, from the terminal, a playlist of each of the at least one terminal information based on an HDLC protocol pre-established with the terminal, the playlist including a plurality of first visible presentation file information configured according to rights of the terminal;
the first sending unit is used for respectively sending first playing instructions to the at least one terminal, the first playing instructions comprise the plurality of first visible display file information, and the first playing instructions are used for enabling the terminal to play the plurality of first visible display files according to the first playing instructions;
the obtaining the terminal list from the server comprises the following steps:
under the condition that the central control equipment adopts a proprietary account number to log in, acquiring a terminal list from a server based on the proprietary account number;
before the acquiring, from the terminal, the playlist of each of the at least one terminal information, further includes:
under the condition that a user logs in the central control equipment by adopting the special account number, the central control equipment registers HDLC service to start monitoring for monitoring the working state of at least one terminal;
under the condition that the user logs in the at least one terminal by adopting a composite proprietary account number, the at least one terminal registers HDLC service; the composite proprietary account number is associated with the proprietary account number;
and the central control equipment and the at least one terminal establish connection through an HDLC protocol.
10. A terminal presentation control device, characterized by being applied to a terminal, comprising:
a second sending unit, configured to send a play list of a terminal to a central control device based on an HDLC protocol pre-established with the central control device, where the play list includes information of a plurality of first visible display files configured according to rights of the terminal;
the receiving unit is used for receiving a first playing instruction sent by the central control equipment according to the play list, wherein the first playing instruction comprises the plurality of first visible display file information;
the playing unit is used for playing the plurality of first visible display files according to the first playing instruction;
before the sending of the play list of the terminal to the central control device, the method further comprises:
under the condition that a user logs in the central control equipment by adopting a special account, the central control equipment registers HDLC service to start monitoring for monitoring the working state of the terminal;
under the condition that the user logs in the terminal by adopting a composite special account, the terminal registers HDLC service; the composite proprietary account number is associated with the proprietary account number;
and the terminal and the central control equipment are connected through an HDLC protocol.
11. An apparatus, comprising:
a memory storing computer program instructions;
a processor which when executed by the processor implements the terminal presentation control method of any one of claims 1 to 3; alternatively, the terminal presentation control method according to any of claims 4 to 8 is implemented when said computer program instructions are executed by said processor.
12. A computer-readable storage medium comprising instructions that, when run on a computer, cause the computer to perform the terminal presentation control method of any of claims 1 to 3; alternatively, the instructions, when run on a computer, cause the computer to perform the terminal presentation control method as claimed in any one of claims 4 to 8.
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| CN116737101B (en) * | 2023-08-10 | 2023-10-24 | 江苏中威科技软件系统有限公司 | Method for simultaneously displaying selective display labels on multiple terminals by using same OFD file |
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