CN112565847B - Large-screen display control method and device - Google Patents
Large-screen display control method and device Download PDFInfo
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- CN112565847B CN112565847B CN202110194981.8A CN202110194981A CN112565847B CN 112565847 B CN112565847 B CN 112565847B CN 202110194981 A CN202110194981 A CN 202110194981A CN 112565847 B CN112565847 B CN 112565847B
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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
- H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
- H04N21/41415—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance involving a public display, viewable by several users in a public space outside their home, e.g. movie theatre, information kiosk
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
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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
- H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
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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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/81—Monomedia components thereof
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- Controls And Circuits For Display Device (AREA)
Abstract
The invention discloses a large screen display control method and a device, comprising the following steps: s1, establishing a plug-in library; s2, dragging the plug-ins in the plug-in library to a large screen for free combination to establish large screen layout; s3, configuring different data sources for different plug-ins in the plug-in library; s4, generating a scene template and layout rule logic; s5, binding and associating the scene template and the layout rule logic with a large screen to be issued; and S6, sending the scene template and the corresponding layout rule logic to a large screen, rendering and presenting the large screen layout according to the layout rule logic by the large screen, and capturing and outputting data in real time by the plug-in. The invention provides rich scene templates and solves the problem of difficult large-screen design.
Description
Technical Field
The invention belongs to the technical field of display screen control, and particularly relates to a large-screen display control method and device.
Background
The large display screen is usually installed in a place which is obvious indoors or outdoors, and is widely applied to various public places to be used for media display, traffic guidance, creative display and the like.
In a long period of time, the multimedia related systems facing passenger services in airports only have the capability of unidirectionally transmitting audiences by taking the traditional cable television system as a reference, screen terminals distributed all over the airports only can singly finish simple transmission of video and audio contents or flight information, passengers increasingly use smart phones or PAD mobile terminal equipment with high frequency, and the multimedia services of the airports are almost difficult to reach. The mode adopts the traditional optical fiber, coaxial cable and video and audio signal processing equipment for networking, the technical architecture is old, the terminal maintenance workload is huge, the function is single, the method is very difficult to support the expanded application of new generation ultra-high definition video programs such as 4K and VR or advertisement services, cannot support the business development requirements of acquisition, editing, broadcasting, storage, management and the like of comprehensive contents such as videos, audios, pictures, texts, HTML5 and the like required by a smart airport, cannot meet the requirements of supporting flexible distribution management and control of various different types of contents, one-to-one management and control of issuing terminals and the like, cannot realize organic linkage between advertisement video contents and airport ground information systems, cannot provide better services and more innovative advertisement experiences for passengers, cannot realize interaction with the passengers, cannot deposit valuable passenger behavior data through the systems, and cannot provide support for personalized digital services for the passengers.
Disclosure of Invention
The invention aims to overcome one or more defects in the prior art and provides a large-screen display control method and device.
The purpose of the invention is realized by the following technical scheme: the large screen display control method comprises the following steps:
s1, establishing a plug-in library;
s2, dragging the plug-ins in the plug-in library to a large screen for free combination to establish large screen layout;
s3, configuring data sources for the plug-ins dragged to the large screen, and configuring different data sources for different plug-ins;
s4, generating a scene template and layout rule logic;
s5, binding and associating the scene template and the layout rule logic with a large screen to be issued;
and S6, sending the scene template and the corresponding layout rule logic to a large screen, rendering and presenting the large screen layout according to the layout rule logic by the large screen, and capturing and outputting data in real time by the plug-in.
Preferably, the plug-in library comprises one or more of a background picture plug-in, a video playing plug-in, a data display plug-in and a chart plug-in;
the data source comprises one or more of a database data source, a third party API data source and an Excel data source.
Preferably, the center position of the plug-in is set to be the same as the current coordinate of the mouse movement when the plug-in is dragged into the large screen page in S2; and dragging the plug-in into a large screen page, automatically acquiring the resolution of the large screen, automatically scaling the size of the plug-in an equal ratio according to the resolution, and giving a default value of the depth of the current plug-in window.
Preferably, when the plug-in windows are overlapped, the plug-in windows are prompted to be overlapped and the depth of the plug-in window at the upper layer is automatically increased.
Preferably, the configuration mode of the database data source is as follows:
inputting a connection string, a user name and a password which are accessible by the database data source;
the plug-in automatically reads data information corresponding to a database data source;
and configuring row and column data required to be displayed in a checking mode.
Preferably, the outputting of the data includes:
s61, starting a data preprocessing thread, receiving real-time video stream data, and placing the video stream data in a primary cache region;
s62, setting a data decoding thread, reading video stream data in the first-level cache region, decoding to obtain frame data, and storing the frame data in the second-level cache region;
s63, setting a media processing timing module, and caching frame data to be displayed in advance according to the current network performance data of the large screen, the utilization rate of a cache region and the smoothness requirement;
and S64, the playing module reads the decoded frame data from the secondary cache region to play, and uploads the current network performance data of the large screen to the media timing processing module of S63 in real time.
Preferably, the outputting of data further includes:
setting transition information of signal switching, and caching the transition information in a signal switching caching module;
when the signal switching of the playing equipment is carried out, the playing equipment jumps to a signal switching cache module and displays transition information; the playing module suspends the reading of data from the secondary buffer of the original signal, checks whether the frame data in the secondary buffer of the new signal is ready, if so, plays the information of the new signal, otherwise, executes S61.
Preferably, the caching the frame data to be displayed in advance comprises: and detecting whether the second-level buffer area buffers frame data to be displayed N seconds in advance, if so, executing S64, otherwise, executing S62.
Preferably, the resolution of the large screen is 2K, 4K or 8K.
Large screen display control device includes:
the plug-in module is used for establishing a plug-in library and configuring different data sources for different plug-ins in the plug-in library;
the large-screen layout module is used for dragging the plug-ins in the plug-in library to a large screen for free combination to establish large-screen layout;
the system comprises a scene generation module, a layout rule logic module and a display module, wherein the scene generation module is used for generating a scene template and the layout rule logic and binding and associating the scene template and the layout rule logic with a large screen to be released;
and the large-screen display module is used for receiving the scene template and the corresponding layout rule logic sent by the scene generation module, rendering and presenting large-screen layout according to the layout rule logic, and performing data capture and real-time output.
The invention has the beneficial effects that:
(1) the invention provides abundant scene templates, and solves the problem of difficult large-screen design;
(2) the invention supports the access of multiple data sources and provides various graphic components;
(3) the invention solves the problem of difficult realization of a large screen by a free dragging configuration layout mode;
(4) the invention supports the adaptive release of a plurality of large screens and supports the automatic adaptation of a plurality of screens;
(5) the invention supports different types of signal input source equipment, is compatible with signals with common resolutions of 8K, 4K, 2K and below and automatically identifies;
(6) the invention realizes the easy processing of IP stream signals, realizes the seamless non-black screen display of scene and signal switching, and has smooth picture presentation and no flicker and pause phenomena.
Drawings
FIG. 1 is a flow chart of a large screen display control method;
FIG. 2 is a flow chart of a video stream data output display;
fig. 3 is a schematic diagram of a large-screen display control device.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a large screen display control method and apparatus:
example one
As shown in fig. 1, the large screen display control method includes:
s1, establishing a plug-in library.
Specifically, the plug-in library includes one or more of a background picture plug-in (such as a guide propaganda diagram), a video playing plug-in (such as a player), a data display plug-in (such as data supporting table display, data display supporting composite header type, data plug-in supporting weather display, and the like), and a chart plug-in (such as conventional icons supporting pie charts, bar charts, and the like). In addition, a plurality of custom scene picture PNG formats can be uploaded through a common drawing tool (such as photoshop) to serve as the background and the style of the plug-in.
S2, dragging the plug-ins in the plug-in library to a large screen for free combination to establish large screen layout.
In some embodiments, the plug-ins in the plug-in library are dragged to the large screen by using a mouse for irregular free combination to establish a large screen layout.
Setting the central position of the plug-in to be the same as the current coordinate of the mouse movement when the plug-in is dragged into the large screen page; and automatically acquiring the resolution of the large screen when the plug-in is dragged into the large screen page, wherein the resolution of the large screen is 2K, 4K or 8K, automatically scaling the size of the plug-in an equal ratio according to the resolution, and giving a default value of the depth of the current plug-in window.
When the plug-in windows are overlapped, the plug-in windows are prompted to be overlapped and the depth of the plug-in window at the upper layer is automatically increased.
And S3, configuring a data source for the plug-in dragged to the large screen, and configuring different data sources for different plug-ins.
Specifically, the data source includes one or more of a database data source, a third party API data source, and an Excel data source.
The configuration mode of the database data source is as follows: inputting a connection string, a user name and a password which are accessible by the database data source; the plug-in automatically reads data information corresponding to a database data source; and configuring row and column data to be displayed in a checking mode, namely checking the row and column data to be displayed, thereby completing the binding of the plug-in and the database data source.
And the third party API data source and the Excel data source are configured in the same way as the database data source.
And S4, generating a scene template and layout rule logic.
Specifically, after S1-S3 is completed, a scene template and a plurality of layout rule logics can be stored and formed.
Specifically, the layout rule logic of the large screen is generated according to the information such as the height width of the large-screen plug-in, the relative coordinate position between the plug-ins, the area of the overlapped intersection region and the like, and the corresponding business scene template is generated by combining different plug-in type combinations customized by a user with the layout information.
And S5, binding and associating the scene template and the layout rule logic with a large screen to be issued.
And S6, sending the scene template and the corresponding layout rule logic to a large screen, rendering and presenting the large screen layout according to the layout rule logic by the large screen, and capturing and outputting data in real time by the plug-in.
Specifically, when the real-time release is selected, the scene template and the corresponding layout rule logic are sent to the large screen, the large screen performs rendering and presentation of large screen layout according to the layout rule logic, and meanwhile, each plug-in unit can automatically capture data according to the binding configuration rule of the data source and output the data in real time.
As shown in fig. 2, in some embodiments, performing the outputting of the data comprises:
and S61, starting a data preprocessing thread, receiving real-time video stream data, and placing the video stream data in a primary cache region.
The video stream data is data captured by the plug-in from the data source.
S62, setting a data decoding thread, reading video stream data in the first-level buffer area, decoding to obtain frame data, and storing the frame data in the second-level buffer area for storage.
And S63, setting a media processing timing module, and caching frame data to be displayed in advance according to the current network performance data of the large screen, the utilization rate of the cache region and the smoothness requirement.
Specifically, caching the frame data to be displayed in advance comprises: and detecting whether the second-level buffer area buffers frame data to be displayed N seconds in advance, if so, executing S64, otherwise, executing S62. Namely, the frame data of N seconds is cached in advance through the secondary cache region, so that smooth playing of the video can be ensured, and if the frame data of N seconds is not cached in advance in the secondary cache region, a data decoding thread is added (the increment of the data decoding thread can be set according to the actual situation), so that the decoding efficiency is improved. The specific value of N is set according to the actual situation.
In the embodiment, the frame data to be displayed is processed and optimized in advance, so that the IP stream signal is easily processed, the picture is smoothly displayed, and flicker and pause phenomena are avoided.
The transition information includes at least one of a transition video and a transition animation.
And S64, the playing module reads the decoded frame data from the secondary cache region to play, and uploads the current network performance data of the large screen to the media timing processing module of S63 in real time.
Performing the outputting of the data further comprises: setting transition information of signal switching, and caching the transition information in a signal switching caching module; when the signal switching of the playing equipment is carried out, the playing equipment jumps to a signal switching cache module and displays transition information; the playing module suspends the reading of data from the secondary buffer of the original signal, checks whether the frame data in the secondary buffer of the new signal is ready, if so, plays the information of the new signal, otherwise, executes S61.
In this embodiment, transition information is displayed during signal switching, thereby realizing no black screen during signal switching.
In some embodiments, when the large-screen layout is replaced, the updating and dynamic publishing of the large-screen layout can be completed only by repeating S1-S6 without redevelopment.
Example two
As shown in fig. 3, the large-screen display control apparatus includes a plug-in module, a large-screen layout module, a scene generation module, and a large-screen display module.
The plug-in module is used for establishing a plug-in library and configuring different data sources for different plug-ins in the plug-in library.
The plug-in library comprises one or more of background picture plug-ins (such as guide propaganda pictures), video playing plug-ins (such as players), data display plug-ins (such as data supporting table display, data display supporting composite header types, data plug-ins supporting weather display and the like), and chart plug-ins (such as conventional icons supporting pie charts, column charts and the like). In addition, a plurality of custom scene picture PNG formats can be uploaded through a common drawing tool (such as photoshop) to serve as the background and the style of the plug-in.
The data source comprises one or more of a database data source, a third party API data source and an Excel data source.
The large-screen layout module is used for dragging the plug-ins in the plug-in library to the large screen for free combination to establish large-screen layout.
The scene generation module is used for generating a scene template and layout rule logic and binding and associating the scene template and the layout rule logic with a large screen to be released.
The large-screen display module is used for receiving the scene template and the corresponding layout rule logic sent by the scene generation module, rendering and presenting large-screen layout according to the layout rule logic, and performing data capture and real-time output.
The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the invention is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The large screen display control method is characterized by comprising the following steps:
s1, establishing a plug-in library;
s2, dragging the plug-ins in the plug-in library to a large screen for free combination to establish large screen layout;
s3, configuring data sources for the plug-ins dragged to the large screen, and configuring different data sources for different plug-ins;
s4, generating a scene template and layout rule logic;
s5, binding and associating the scene template and the layout rule logic with a large screen to be issued;
and S6, sending the scene template and the corresponding layout rule logic to a large screen, rendering and presenting the large screen layout according to the layout rule logic by the large screen, and capturing and outputting data in real time by the plug-in.
2. The large-screen display control method according to claim 1, wherein the plug-in library comprises one or more of a background picture plug-in, a video playing plug-in, a data presentation plug-in, and a chart plug-in;
the data source comprises one or more of a database data source, a third party API data source and an Excel data source.
3. The large-screen display control method according to claim 1, wherein the center position of the plug-in when the plug-in is dragged into the large-screen page in S2 is set to be the same as the current coordinates of the mouse movement; and dragging the plug-in into a large screen page, automatically acquiring the resolution of the large screen, automatically scaling the size of the plug-in an equal ratio according to the resolution, and giving a default value of the depth of the current plug-in window.
4. The large-screen display control method according to claim 3, wherein when the plug-in windows overlap, the plug-in windows are prompted to overlap and the plug-in window depth at the upper layer is automatically increased.
5. The large-screen display control method according to claim 2, wherein the configuration mode of the database data source is as follows:
inputting a connection string, a user name and a password which are accessible by the database data source;
the plug-in automatically reads data information corresponding to a database data source;
and configuring row and column data required to be displayed in a checking mode.
6. The large-screen display control method according to claim 1, wherein outputting data comprises:
s61, starting a data preprocessing thread, receiving real-time video stream data, and placing the video stream data in a primary cache region;
s62, setting a data decoding thread, reading video stream data in the first-level cache region, decoding to obtain frame data, and storing the frame data in the second-level cache region;
s63, setting a media processing timing module, and caching frame data to be displayed in advance according to the current network performance data of the large screen, the utilization rate of a cache region and the smoothness requirement;
and S64, the playing module reads the decoded frame data from the secondary cache region to play, and uploads the current network performance data of the large screen to the media timing processing module of S63 in real time.
7. The large-screen display control method according to claim 6, wherein outputting data further comprises:
setting transition information of signal switching, and caching the transition information in a signal switching caching module;
when the signal switching of the playing equipment is carried out, the playing equipment jumps to a signal switching cache module and displays transition information; the playing module suspends the reading of data from the secondary buffer of the original signal, checks whether the frame data in the secondary buffer of the new signal is ready, if so, plays the information of the new signal, otherwise, executes S61.
8. The large-screen display control method according to claim 6, wherein the caching of the frame data to be displayed in advance comprises: and detecting whether the second-level buffer area buffers frame data to be displayed N seconds in advance, if so, executing S64, otherwise, executing S62.
9. The large-screen display control method according to claim 1, wherein the resolution of the large screen is 2K, 4K, or 8K.
10. Big screen display controlling means, its characterized in that includes:
the plug-in module is used for establishing a plug-in library and configuring different data sources for different plug-ins in the plug-in library;
the large-screen layout module is used for dragging the plug-ins in the plug-in library to a large screen for free combination to establish large-screen layout;
the system comprises a scene generation module, a layout rule logic module and a display module, wherein the scene generation module is used for generating a scene template and the layout rule logic and binding and associating the scene template and the layout rule logic with a large screen to be released;
and the large-screen display module is used for receiving the scene template and the corresponding layout rule logic sent by the scene generation module, rendering and presenting large-screen layout according to the layout rule logic, and performing data capture and real-time output.
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| CN116916051B (en) * | 2023-06-09 | 2024-04-16 | 北京医百科技有限公司 | Method and device for updating layout scene in cloud director client |
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| CN111522565A (en) * | 2020-04-21 | 2020-08-11 | 北京邮电大学 | Real-time data updating visualization large-screen method and system based on componentization |
| CN111694565A (en) * | 2020-06-24 | 2020-09-22 | 深圳壹账通智能科技有限公司 | Data visualization application development method and system |
| CN111857659A (en) * | 2020-06-30 | 2020-10-30 | 太极计算机股份有限公司 | Data visualization design platform for dragging heterogeneous data source |
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