CN109168054B - Display screen playing system and control method - Google Patents
Display screen playing system and control method Download PDFInfo
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- CN109168054B CN109168054B CN201811053027.1A CN201811053027A CN109168054B CN 109168054 B CN109168054 B CN 109168054B CN 201811053027 A CN201811053027 A CN 201811053027A CN 109168054 B CN109168054 B CN 109168054B
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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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
- H04N21/26291—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists for providing content or additional data updates, e.g. updating software modules, stored at the client
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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
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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
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/458—Scheduling content for creating a personalised stream, e.g. by combining a locally stored advertisement with an incoming stream; Updating operations, e.g. for OS modules ; time-related management operations
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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
- H04N21/47—End-user applications
- H04N21/482—End-user interface for program selection
- H04N21/4825—End-user interface for program selection using a list of items to be played back in a given order, e.g. playlists
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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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/647—Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load, bridging between two different networks, e.g. between IP and wireless
- H04N21/64723—Monitoring of network processes or resources, e.g. monitoring of network load
Abstract
The application discloses a display screen playing system and a control method. The display screen playing system comprises: the selection module is connected with the plurality of cloud service terminals and used for selecting at least one cloud service terminal; and the display screens are connected with the cloud service terminals and used for displaying the program content, wherein the selection module selects the cloud service terminals according to the locally stored configuration information and updates the configuration information according to the state information of the selected cloud service terminals. The display screen playing system adopts the selection module to realize the selection mechanism of a plurality of cloud service terminals of different cloud service providers, thereby improving the stability and reliability and reducing the maintenance cost due to the dynamic update of the configuration information of the selection module.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display screen playing system and a control method.
Background
With the development of networking and informatization, large outdoor display screens are widely used. For example, a display screen disposed on an outer wall or a top of a building is used to provide advertisement information, safety notice information, and the like. The outdoor display screen is required to have not only a large size but also a high brightness due to the application environment. The LED display screen adopts high-brightness Light Emitting Diodes (LEDs) as pixel elements, and a large-size screen can be assembled by a plurality of modules, so that the requirements of the application environment of the outdoor display screen can be met.
Fig. 1 shows a display screen playback system according to the prior art. The user control terminal 101 transmits the program content to the local server 102, the local server 102 stores and parses the program content, and transmits the program content to the LED controller 103, and the LED controller 103 controls the LED display screen 104 to display the program content. The display screen playing system adopts the local server 102 to store and transmit program contents in a centralized manner, and network blockage is easily caused under the condition that a plurality of LED display screens request the program contents. The display screen playing system cannot meet the requirement of the explosive growth of the internet, and is poor in stability and high in maintenance cost.
Fig. 2 shows another display screen playing system based on the internet according to the prior art. The plurality of user control terminals 201 transmit the program content to the single cloud service terminal 202, the cloud service terminal 202 stores and analyzes the program content and transmits the program content to the plurality of LED controllers 203, and the plurality of LED controllers 203 respectively control the corresponding LED display screens 204 to display the program content. The display screen playing system adopts the cloud server 202 to store and transmit the program content in a distributed mode, and under the condition that a plurality of LED display screens request the program content, the cloud server 202 can select the server according to a load balancing mechanism of the cloud server. The display screen playing system theoretically meets the requirement of mass service. However, a single cloud server may still encounter various unpredictable factors to cause problems such as reduction in service stability, short-time interruption, or failure to provide business services, so that the stability of the display screen playing system based on the cloud server is reduced or the display screen playing system stops working.
Therefore, further improvements in display screen playback systems are desired to improve stability and reliability.
Disclosure of Invention
In view of this, the present invention provides a display screen playing system and a control method thereof, wherein a cloud server is selected according to dynamic configuration information of a selection module, so as to improve stability and reliability and reduce maintenance cost.
According to an aspect of the present invention, there is provided a display screen playing system, including: the cloud service terminals are used for storing program contents; the selection module is connected with the plurality of cloud service terminals and used for selecting at least one cloud service terminal; and the display screens are connected with the cloud service terminals and used for displaying the program content, wherein the selection module selects the cloud service terminals according to the locally stored configuration information and updates the configuration information according to the state information of the selected cloud service terminals.
Preferably, the selection module comprises: the local configuration unit is used for storing local configuration information, and the local configuration information comprises initialized configuration information or dynamically updated configuration information; and the evaluation unit is used for classifying the requests of the control end according to the local configuration information, responding the requests of the control end through the cloud service end respectively, and evaluating the response time and/or the load capacity of the cloud service end for executing the requests of the control end to obtain the evaluation result of the cloud service end.
Preferably, the response time and/or the load capacity of the cloud server are at least evaluated by load balancing of the cloud server.
Preferably, the dynamically updated configuration information includes at least one of: updating a configuration program, updating a connection target and adding and deleting channels.
Preferably, the selection module further comprises at least one of the following service selection units: the system comprises a Web service selection unit, a message service selection unit and a file service selection unit, wherein the selection module selects a corresponding cloud service end through the selection unit according to the evaluation result.
Preferably, the control terminal selects a corresponding cloud service terminal according to the evaluation result.
Preferably, the corresponding cloud server includes at least one cloud server.
Preferably, the local configuration information includes at least one of: cloud server address, message channel, data channel, key.
Preferably, the control terminal includes a user control terminal and a display screen control terminal, and the display screen control terminal is connected to the display screen to control the program content to be acquired from the plurality of cloud service terminals.
Preferably, the user control terminal and/or the display screen control terminal are started through user login or are automatically started by the system according to a preset period, and at least one cloud service terminal in the plurality of cloud service terminals is selected through the selection module.
Preferably, the user login mode includes at least one of the following: wired network, wireless network, mobile phone communication network and satellite communication network.
Preferably, the cloud service terminal provides cloud computing services based on the internet, including at least one of: distributed computing, parallel computing, utility computing, network storage, object storage, data storage, container services, virtualization, load balancing, message services.
Preferably, the plurality of cloud servers respectively provide at least one of the following services: web services, messaging services, and file services.
Preferably, the Web service provides an interactive interface for the user control end to transmit and feed back data information in a manner that a Web server of a cloud service end provides a communication protocol and/or a Web page application service; the message service realizes the real-time communication of messages among the user control terminal, the cloud service terminal and the display screen control terminal in a mode of transmitting message notification instructions through a message server of the cloud service terminal; and the file service realizes data interaction and/or storage among the user control terminal, the cloud service terminal and the display screen control terminal through a file server of the cloud service terminal.
Preferably, the data structure of the data information includes at least one of: the data management system comprises a data table name, a data number, data content, a data length, an interface user name, an interface public key and a data total length, wherein the data number comprises a timestamp and a cloud server side number.
Preferably, the data structure of the message comprises at least one of: the message notification method comprises the steps of display screen state, message numbers, message states and feedback contents, wherein the message numbers comprise timestamps and cloud server side numbers, and the display screen state and the message states determine whether the message notification instructions are transmitted or not.
Preferably, the data structure of the file comprises at least one of: the file system comprises a file name, a file MD5, a file length, a file storage path, an interface user name, an interface public key and a total data length, wherein the file name comprises an original file name, a timestamp and a cloud server side number.
Preferably, the file comprises at least one of: video files, text files, and picture files.
Preferably, the file name, the file MD5, the file length, and the file storage path of the file are used to verify whether the content of the file is legal.
Preferably, the interface user name, the interface public key and the total data length are used for verifying whether the data information or the file source is legal or not.
Preferably, the method further comprises the following steps: and the synchronization module synchronizes the data information, the messages and the files of the corresponding cloud server requested by the operation control terminal to the server cluster and the target server of each cloud server according to a preset synchronization rule.
Preferably, the preset synchronization rule includes at least one of the following: response rules, deletion rules, and change rules for data information, messages, and files.
Preferably, when the data information is updated, the database of the cloud server transmitting the data signal constructs a new index table according to the data number of the data information, and the synchronization module is automatically triggered to synchronize the data information of the database of each cloud server according to the change rule of the data information; when the message is updated, the database of the cloud service end transmitting the message issues the message according to the display screen state and the message state, and the synchronization module is automatically triggered to synchronize the message of the database of each cloud service end according to the response rule of the message; when the file is changed, the storage areas of the cloud service ends which interact with and store the file create a new index table according to the file MD5 and the file name of the file, and the synchronization module is automatically triggered to synchronize the file of the storage area of each cloud service end according to the change rule of the file.
Preferably, the plurality of display screens comprises at least one of: outdoor display screen, elevator display screen, on-vehicle display screen.
According to another aspect of the present invention, there is provided a display screen control method including: the selection module provides local configuration information; the selection module selects at least one cloud server from the plurality of cloud servers according to the local configuration information; the display screen displays the program content stored by the cloud server; and updating the local configuration information according to the state information of the selected cloud server.
Preferably, the local configuration information includes initialized configuration information or dynamically updated configuration information.
Preferably, when the initialized configuration information provided by the selection module meets the requirement, the selected cloud server is selected according to the initialized configuration information, and when the initialized configuration information provided by the selection module does not meet the requirement, the selection module executes the step of selecting the cloud server.
Preferably, the step of selecting a cloud server includes: inquiring the working states of the plurality of cloud service terminals; classifying the request of the control terminal and judging the working state of the cloud service terminal; and judging and selecting a proper cloud server according to the established index rule.
Preferably, the selection module classifies the requests of the control end according to the local configuration information, respectively responds to the requests of the control end through the cloud service end, and evaluates the response time and/or the load capacity of the cloud service end for executing the requests of the control end to obtain the evaluation result of the cloud service end.
Preferably, the selection module or the control terminal selects a corresponding cloud service terminal according to the evaluation result.
Preferably, the control terminal includes a user control terminal and a display screen control terminal, and the display screen control terminal is connected to the display screen to control the program content to be acquired from the plurality of cloud service terminals.
Preferably, the user control terminal and/or the display screen control terminal are started by user login or are started by the system according to a preset period.
Preferably, the plurality of cloud servers respectively provide at least one of the following services: web services, messaging services, and file services.
Preferably, before the display screen displays the program content stored by the cloud server, the method further includes: and judging whether the cloud server side needs to be synchronized, wherein the content is synchronized to the server cluster and the target server of each cloud server side through a synchronization module according to a preset synchronization rule.
Preferably, the preset synchronization rule includes at least one of: response rules, deletion rules, and change rules for data information, messages, and files.
According to the display screen playing system and the control method provided by the embodiment of the invention, the selection module is adopted to realize the selection mechanism of a plurality of cloud service terminals of different cloud service providers, and the cloud service terminals are selected according to the configuration information of the selection module, so that the stability and the reliability are improved. And under the condition that the configuration information cannot meet the requirement, inquiring the state information of the cloud service terminal, and automatically updating the configuration information so as to select a proper cloud service provider next time, thereby reducing the maintenance cost.
In a preferred embodiment, the display screen playing system further includes a synchronization module, and after the cloud server is selected, the cloud synchronization module synchronizes contents of different cloud servers, so as to provide a stable and reliable display screen control service based on the cloud service.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing embodiments of the present invention with reference to the following drawings, in which:
fig. 1 shows a display screen playback system according to the prior art.
Fig. 2 shows another display screen playback system according to the prior art.
Fig. 3 shows a display screen playback system according to a first embodiment of the present invention.
Fig. 4 shows a display screen playback system according to a second embodiment of the present invention.
Fig. 5 shows a schematic block diagram of a selection module of a display screen playback system according to an embodiment of the present invention.
Fig. 6 is a flowchart illustrating a cloud provider selection method of a display screen playing system according to an embodiment of the present invention.
Fig. 7a to 7c are flowcharts illustrating data information synchronization, file synchronization, and message synchronization of a display screen playing system according to an embodiment of the present invention, respectively.
Fig. 8 shows a flowchart of a display screen control method according to a third embodiment of the present invention.
Fig. 9 shows a flowchart of a display screen control method according to a fourth embodiment of the present invention.
Detailed Description
The invention will be described in more detail below with reference to the accompanying drawings. Like elements in the various figures are denoted by like reference numerals. For purposes of clarity, the various features in the drawings are not necessarily drawn to scale. In addition, certain well known components may not be shown.
In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
Fig. 3 shows a display screen playback system according to a first embodiment of the present invention. The display screen playing system can select a cloud server from cloud servers of a plurality of different cloud servers to provide program content.
As shown, the display screen playing system includes a plurality of user control terminals 301, a plurality of selection modules 302, a plurality of cloud service terminals 303, a plurality of display screen control terminals 304, a plurality of display screens 305, and a synchronization module 306.
The program content is stored in a plurality of cloud servers 303. The synchronization module 306 is connected to the cloud servers 303, and synchronizes the program contents of the plurality of cloud servers 303 by determining whether the contents of the cloud servers 303 need to be synchronized and synchronizing the contents to the server cluster and the target server of each cloud server 303. The cloud server 303 is a public network service platform which is based on the internet and can provide cloud computing services such as distributed computing, parallel computing, utility computing, network storage, object storage, data storage, container service, virtualization, load balancing, message service and the like. The load balancing within each cloud server 303 determines and selects the best server.
The plurality of user control terminals 301 are connected to the plurality of cloud service terminals 303 via corresponding selection modules 302, respectively. Each user control 301 may select at least one cloud service 303 via a selection module. The user control terminal 301 may be started by a user, or may be automatically started by the system according to a set period, and a user who obtains authentication or permission may log in the user control terminal for operation in a wired or wireless communication manner through a device including, but not limited to, a mobile phone, a tablet, or a computer.
The plurality of display screens 305 are connected to the plurality of cloud servers 303 via corresponding display screen controllers 304, respectively. The cloud server 303 selected by the user controller 301 pushes the program content to the display screen controller 304. The display screen control terminal 304 judges the validity from the content and supplies the program content to the display screen 305.
In this embodiment, the selection module 302 of the display screen playing system locally stores configuration information of a plurality of cloud servers 303, and the synchronization module 306 performs content synchronization among the plurality of cloud servers. The user control end 302 can select the cloud service end 303 according to the configuration information in the selection module 302. The selection module 302 is adopted to realize the cloud service side selection mechanism of different cloud service providers, that is, the cloud service side is selected according to the configuration information in the selection module 302. And under the condition that the configuration information cannot meet the requirement, inquiring the state information of the cloud service terminal, and automatically updating the configuration information so as to select a proper cloud service provider next time.
Fig. 4 shows a display screen playback system according to a second embodiment of the present invention. The display screen playing system can select a cloud server from cloud servers of a plurality of different cloud servers to provide program content.
As shown, the display screen playing system includes a plurality of user control terminals 301, a plurality of selection modules 302, a plurality of cloud service terminals 303, a plurality of display screen control terminals 304, a plurality of display screens 305, and a synchronization module 306.
The display screen playing system according to the second embodiment is different from the first embodiment in that a display screen 305 is connected to a plurality of cloud servers 303 via a display screen control terminal 301 and a selection module 302. Each display screen 305 may select at least one cloud server 303 via the selection module 302. The load balancing in the cloud server 303 may determine and select an optimal server, obtain or feed back corresponding content or update configuration information of the cloud server, and display program content on the display screen 305 through the display screen controller 301.
Other aspects of the display screen playing system according to the second embodiment are the same as those of the first embodiment, and will not be described in detail here.
In this embodiment, the selection module 302 of the display screen playing system locally stores configuration information of a plurality of cloud servers 303, and the synchronization module 306 performs content synchronization among the plurality of cloud servers 303. The synchronized cloud content is acquired by the display screen control end 304 through the optimal path and displayed on the display screen 305.
Fig. 5 shows a schematic block diagram of a selection module of a display screen playback system according to an embodiment of the present invention.
The selection module 302 includes a local configuration unit 3021, an evaluation unit 3022, a Web service selection unit 3023, a message service selection unit 3024, and a file service selection unit 3025.
The local configuration unit 3021 is configured to store configuration information, such as software or initial configuration information stored before the terminal leaves the factory. The configuration information includes, but is not limited to, information such as cloud server addresses, message channels, data channels, keys, and the like. During the working period of the display screen playing system, configuration updating is obtained according to initialization or optimal cloud server service connection, and updating contents comprise self programs, connection targets, newly added and deleted channels and the like. And if the final configuration message has errors, automatically recovering the initial configuration and sending the configuration information to the corresponding server.
The evaluation unit 3022 classifies the request according to the configuration information of the local configuration unit 3021. The requests comprise but are not limited to Web services, message services and file services, and the response time or the load capacity of the Web services, the message services and the file services of the plurality of cloud services is judged according to a preset judgment rule. The Web service selection unit 3023, the message service selection unit 3024, and the file service selection unit 3025 select a corresponding cloud service of the plurality of cloud services 303 to provide a Web service, a message service, or a file service according to the determination result. The Web service, the message service or the file service may be provided by different cloud service terminals 303, respectively, or the module provides the determination result to the user control terminal 301, and the user control terminal 301 determines to select the corresponding cloud service terminal 303 of the Web service, the message service or the file service.
The Web service is mainly divided into a man-machine control interface of the user control terminal 301 and data acquisition and feedback of the display screen control terminal 304, and is expressed by providing a Web-form service and a communication protocol. Various information and control behaviors of the user pass through the Web service first and then are forwarded to the corresponding storage and target execution. Web services are services that deploy elastically scalable computing services, plus Web applications, on the cloud.
The message service is an instant message notification mechanism, and the real-time message of the service end is sent to the control end through the notification. The feedback message of the control end is also sent to the service end in real time through the channel, but the message service does not comprise a big data channel.
The file service mainly comprises, but is not limited to, big data interactive storage of the display screen control end 304, the user control end 301 and the cloud service end 303. In a display screen playing system, a file service is used, for example, to store program content.
Fig. 6 is a schematic block diagram illustrating a cloud server selection method of a display screen playing system according to an embodiment of the present invention.
And the user control terminal and the display screen control terminal send a request for selecting the cloud service terminal. The selection module classifies the requests according to the initialization configuration information of the local configuration unit, and judges the load capacity and the communication duration of the Web service, the message service and the file service of the cloud service according to the formulated index rule. And if the requirements and the rules are not met, replacing the cloud server until the optimal cloud server is selected, and updating the local initialization configuration according to the judgment result for the next selection. If the requirements and rules are met, directly connecting and continuing the subsequent steps.
Fig. 7a to 7c are flowcharts illustrating data information synchronization, file synchronization, and message synchronization of a display screen playing system according to an embodiment of the present invention, respectively.
The synchronization module 306 of the display screen playing system triggers data information, message or file synchronization among different cloud service terminals 303 according to the rules of response, deletion, change and the like of a synchronization object, and the synchronization method is prefabricated in the system and can realize maintenance and upgrade.
As shown in fig. 7a, the method for synchronizing data information includes: step S101, updating data information; step S102, the database automatically rebuilds indexes according to the data numbers so as to achieve the consistency of all data sequencing under the condition of high concurrency; step S103, synchronizing data information in each cloud server database, wherein the data structure of the data information synchronization method mainly comprises a data table name, a data number (consisting of a timestamp and the cloud server number), data content, data length, an interface user name, an interface public key and a data total length. The last 3 contents mainly verify the validity of the data source.
As shown in fig. 7b, the method of file synchronization includes: step S201, updating a file; step S202, a new index table is built according to the file MD5(Message Digest 5) and the file name of the file; step S203, synchronizing files in each cloud server storage area. The data structure of the file synchronization method mainly comprises a file name (consisting of an original file name, a timestamp and a cloud server side number), a file MD5, a file length, a file storage path, an interface user name, an interface public key and a total data length. The files include but are not limited to various common file formats such as videos, texts, pictures and the like, the first 4 contents of the files are mainly used for verifying whether the received playing contents (files) are legal, and the last 3 contents mainly verify the legality of data sources.
As shown in fig. 7c, the method for message synchronization includes: step S301, updating the message; step S302, determining whether a message is required to be issued or not by using the message state and the terminal state; and S303, synchronizing the messages in each cloud server database. The data structure of the message synchronization method mainly comprises a terminal state, a message number (consisting of a timestamp and a cloud server side number), a message state and feedback content.
Fig. 8 shows a flowchart of a display screen control method according to a third embodiment of the present invention.
Step S401: the user control terminal 301 is started, and a user or a cloud screen system logs in the user control terminal 301.
Step S402: the selection module 302 provides initialized configuration information.
Step S403: and judging whether the initialization configuration is met or not by the user according to the needs or the system according to a preset rule.
If the determination result in step S403 is that the requirement is satisfied, the process proceeds to step S407.
If the determination result in step S403 is that the demand is not satisfied, the process proceeds to step S404.
Step S404: the working states of the plurality of cloud servers 303 are queried.
Step S405: and classifying the request of the control terminal and judging the working state of the cloud service terminal.
Step S406: and selecting a suitable Web, message or file cloud server 303 according to the judged rule.
Step S407: the synchronization module 306 determines whether synchronization is required.
If the determination result in step S407 is that synchronization is required, the process proceeds to step S408.
If the determination result in step S407 is that synchronization is not required, the process proceeds to step S410.
Step S408: the synchronization module 306 performs content synchronization between the cloud servers 303.
Step S409: and judging whether the synchronous content is finished.
If the determination result in step S409 is not completed, the process returns to step S408.
If the determination result in step S409 is complete, the process proceeds to step S410.
Step S410: the program content is pushed to the display control 304. Further, the display screen control terminal 304 judges the validity from the content, and supplies the program content to the display screen 305.
Fig. 9 shows a flowchart of a display screen control method according to a fourth embodiment of the present invention.
In this embodiment, if the user fails to push information to the display control 304, the cloud content may be automatically obtained by the display control 304.
Step S501: the display control 304 is enabled.
Step S502: the selection module 302 provides initialized configuration information.
Step S503: and the system judges whether the initialization configuration is met according to a preset rule.
If the determination result in step S503 is that the requirement is satisfied, the process proceeds to step S506.
If the determination result in step S503 is that the requirement is not satisfied, the process proceeds to step S504.
Step S504: the working states of the plurality of cloud servers 303 are queried.
Step S505: and classifying the request of the control terminal and judging the working state of the cloud service terminal.
Step S506: and selecting a suitable Web, message or file cloud server 303 according to the judged rule.
Step S507: and judging whether the content needs to be updated or not.
If the determination result in step S507 is that updating is necessary, the process proceeds to step S508.
If the determination result in step S507 is that updating is not required, the process proceeds to step S510.
Step S508: the synchronization module 306 performs content synchronization between the cloud servers 303.
Step S509: and judging whether the synchronous content is finished.
If the determination result in step S509 is not completed, the process returns to step S508.
If the determination result in step S509 is complete, the process proceeds to step S510.
Step S510: the display screen control terminal 304 automatically acquires the release information. The display screen control terminal 304 judges the validity from the content and supplies the program content to the display screen 305.
Although the preferred embodiments of the present invention have been disclosed in the foregoing description, it should be understood that they are not intended to limit the scope of the claims appended hereto, and that various changes and modifications may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (32)
1. A display screen playback system, comprising:
the cloud service terminals are used for storing program contents;
the selection module is connected with the plurality of cloud service terminals and used for selecting at least one cloud service terminal; and
the display screens are connected with the cloud service terminals and used for displaying the program contents;
a synchronization module which is respectively connected with the plurality of cloud service terminals and synchronizes data information, messages and files of the corresponding cloud service terminals requested by the operation control terminal to the server cluster and the target server of each cloud service terminal according to a preset synchronization rule,
the selection module selects the cloud server according to the locally stored configuration information, and updates the configuration information according to the state information of the selected cloud server.
2. The display screen playback system of claim 1, wherein the selection module comprises:
the local configuration unit is used for storing local configuration information, and the local configuration information comprises initialized configuration information or dynamically updated configuration information; and
and the evaluation unit is used for classifying the requests of the control end according to the local configuration information, responding the requests of the control end through the cloud service end respectively, and evaluating the response time and/or the load capacity of the control end requests executed by the cloud service end to obtain the evaluation result of the cloud service end.
3. The display screen playback system of claim 2, wherein the dynamically updated configuration information comprises at least one of: updating a configuration program, updating a connection target and adding and deleting channels.
4. The display screen playback system of claim 2, wherein the selection module further comprises at least one of the following service selection units: the system comprises a Web service selection unit, a message service selection unit and a file service selection unit, wherein the selection module selects a corresponding cloud service end through the selection unit according to the evaluation result.
5. The display screen playing system according to claim 2, wherein the control terminal selects the corresponding cloud service terminal according to the evaluation result.
6. The display screen playing system according to claim 4 or 5, wherein the corresponding cloud server includes at least one cloud server.
7. The display screen playback system of claim 2, wherein the local configuration information comprises at least one of: cloud server address, message channel, data channel, key.
8. The display screen playing system according to claim 2, wherein the control terminal comprises a user control terminal and a display screen control terminal, and the display screen control terminal is connected to the display screen to control the program content to be acquired from the plurality of cloud service terminals.
9. The display screen playing system according to claim 8, wherein the user control terminal and/or the display screen control terminal is started by user login or is automatically started by the system according to a predetermined period, and at least one cloud service terminal of the plurality of cloud service terminals is selected by the selection module.
10. The display screen playback system of claim 9, wherein the user login manner comprises at least one of: wired network, wireless network, mobile phone communication network and satellite communication network.
11. The display screen playing system according to claim 1, wherein the cloud service terminal provides cloud computing services based on the internet including at least one of: distributed computing, parallel computing, utility computing, network storage, object storage, data storage, container services, virtualization, load balancing, message services.
12. The display screen playing system according to claim 1, wherein the plurality of cloud servers respectively provide at least one of the following services: web services, messaging services, and file services.
13. The display screen playing system according to claim 12, wherein the Web service provides an interactive interface to the user control end for transmitting and feeding back data information by means of providing a communication protocol and/or a Web page application service through a Web server of the cloud service end;
the message service realizes the real-time communication of messages among the user control terminal, the cloud service terminal and the display screen control terminal in a mode of transmitting message notification instructions through a message server of the cloud service terminal;
the file service realizes data interaction and/or storage of files among the user control terminal, the cloud service terminal and the display screen control terminal through a file server of the cloud service terminal.
14. The display screen playback system of claim 13, wherein the data structure of the data information comprises at least one of: the data management system comprises a data table name, a data number, data content, a data length, an interface user name, an interface public key and a data total length, wherein the data number comprises a timestamp and a cloud server side number.
15. The display screen playback system of claim 13, wherein the data structure of the message comprises at least one of: the message notification method comprises the steps of display screen state, message numbers, message states and feedback contents, wherein the message numbers comprise timestamps and cloud server side numbers, and the display screen state and the message states determine whether the message notification instructions are transmitted or not.
16. The display screen playback system of claim 13, wherein the data structure of the file comprises at least one of: the file system comprises a file name, a file MD5, a file length, a file storage path, an interface user name, an interface public key and a total data length, wherein the file name comprises an original file name, a timestamp and a cloud server side number.
17. The display screen playback system of claim 16, wherein the file includes at least one of: video files, text files, and picture files.
18. The display screen playing system according to claim 16, wherein the file name, the file MD5, the file length, and the file storage path of the file are used to verify whether the content of the file is legal.
19. The display screen playing system according to claim 14 or 16, wherein the interface user name, the interface public key and the total data length are used to verify whether the data information or the file source is legal.
20. The display screen playback system of claim 1, wherein the preset synchronization rules include at least one of: response rules, deletion rules, and change rules for data information, messages, and files.
21. The display screen playback system of claim 13,
when the data information is updated, the database of the cloud server side transmitting the data information establishes a new index table according to the data number of the data information, and the synchronization module is automatically triggered to synchronize the data information of the database of each cloud server side according to the change rule of the data information;
when the message is updated, the database of the cloud service end transmitting the message issues the message according to the display screen state and the message state, and the synchronization module is automatically triggered to synchronize the message of the database of each cloud service end according to the response rule of the message;
when the file is changed, the storage areas of the cloud service ends which interact with and store the file create a new index table according to the file MD5 and the file name of the file, and the synchronization module is automatically triggered to synchronize the file of the storage area of each cloud service end according to the change rule of the file.
22. The display screen playback system of claim 1, wherein the plurality of display screens comprises at least one of: outdoor display screen, elevator display screen, on-vehicle display screen.
23. A display screen control method includes:
the selection module provides local configuration information;
the selection module selects at least one cloud server from the plurality of cloud servers according to the local configuration information;
when the cloud service terminals need to be synchronized, the synchronization module synchronizes data information, messages and files of the cloud service terminals corresponding to the requests of the operation control terminal to the server cluster and the target server of each cloud service terminal according to preset synchronization rules;
the display screen displays the program content stored by the cloud server;
and updating the local configuration information according to the state information of the selected cloud server.
24. The display screen control method of claim 23, wherein the local configuration information comprises initialized configuration information or dynamically updated configuration information.
25. The display screen control method according to claim 24, wherein when the initialized configuration information provided by the selection module meets a requirement, the selected cloud server is selected according to the initialized configuration information, and when the initialized configuration information provided by the selection module does not meet the requirement, the selection module performs the step of selecting the cloud server.
26. The display screen control method of claim 25, wherein the selecting a cloud server comprises:
inquiring the working states of the plurality of cloud service terminals;
classifying the request of the control terminal and judging the working state of the cloud service terminal;
and judging and selecting a proper cloud server according to the established index rule.
27. The display screen control method according to claim 25, wherein the selection module classifies the requests of the control end according to the local configuration information, respectively responds to the requests of the control end through the cloud service end, and evaluates response time and/or load capacity of the cloud service end for executing the requests of the control end to obtain an evaluation result of the cloud service end.
28. The display screen control method according to claim 27, wherein the selection module or the control terminal selects a corresponding cloud server according to the evaluation result.
29. The display screen control method of claim 26, wherein the control end comprises a user control end and a display screen control end, and the display screen control end is connected with the display screen to control the program content to be acquired from the plurality of cloud service ends.
30. The display screen control method according to claim 29, wherein the user control terminal and/or the display screen control terminal is started by user login or is self-started by a system according to a predetermined cycle.
31. The display screen control method according to claim 23, wherein the plurality of cloud servers respectively provide at least one of the following services: web services, messaging services, and file services.
32. The display screen control method of claim 23, wherein the preset synchronization rule comprises at least one of: response rules, deletion rules, and change rules for data information, messages, and files.
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| CN112020846B (en) * | 2019-03-29 | 2022-05-20 | 西安诺瓦星云科技股份有限公司 | Display control system and program update system |
| CN112988140B (en) * | 2021-01-12 | 2023-07-25 | 中交智运有限公司 | Communication method and server based on data communication protocol |
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