CN103399723A - Large-screen display control system and method - Google Patents
Large-screen display control system and method Download PDFInfo
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- CN103399723A CN103399723A CN2013103781681A CN201310378168A CN103399723A CN 103399723 A CN103399723 A CN 103399723A CN 2013103781681 A CN2013103781681 A CN 2013103781681A CN 201310378168 A CN201310378168 A CN 201310378168A CN 103399723 A CN103399723 A CN 103399723A
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Abstract
The invention relates to a method and system for remote control of large-screen display. The large-screen display method comprises the following steps of receiving information content of a data source and a context of the data source; performing rendering treatment on the information content of the data source according to the context of the data source and a command of a user; re-drawing a screen display context and a related command according to the rendering treatment result and the context of the data source, and forming a virtual screen display context; decomposing the virtual screen display context into display contexts of various physical screens according to parameters of various physical screens constituting a large screen; generating a media stream display context according to the display contexts of the various physical screens; and enabling the large screen to receive the information content of the data source after rendering treatment and the media stream display context and display a media stream according to the media stream display context. According to the technical scheme, the technical problem that a display picture can not be dynamically changed according to properties of the various physical screens of the large screen can be solved, and then an elastic screen or a telescopic screen can be obtained.
Description
Technical field
The present invention relates to the communications field, more particularly relate to the demonstration control field of media data.
Background technology
Along with the progress of state-of-the-art technology, giant-screen is come into people's life just day by day, particularly in fields such as fire-fighting command, road monitorings, in real time, Large Screen Display Technology is just becoming the focus of concern accurately.Existing Large Screen Display Technology mainly comprises following two kinds: 1, connect on computers a plurality of video cards, each video card connects a plurality of displays, the content that needs are shown shows respectively a part on a plurality of displays, all display pictures form a giant-screen picture; 2, use virtual unit to splice a plurality of data stream that receive, after the giant-screen picture that composition one width need to show, this picture is transferred to giant-screen shows.
Because existing giant-screen is to be spliced by a plurality of physical screens, the shortcoming of above-mentioned two kinds of display modes is and can't dynamically changes display frame according to the characteristic of each physical screen of giant-screen side, thereby forms flexible screen or flexible screen.
Summary of the invention
In order to solve above problem, the invention provides a kind of large screen display control system and method, the method comprises the steps:
Receive data source information content and data source context;
According to data source context and user's instruction, above-mentioned data source information content is played up processing;
, according to playing up result and the data source context repaints screen display context and dependent instruction, form virtual screen and show context;
According to the parameter of each physical screen that forms giant-screen, above-mentioned virtual screen is shown that context is decomposed into the demonstration context of each physical screen;
Generate Media Stream demonstration context according to the demonstration context of above-mentioned each physical screen;
Giant-screen receives plays up data source information content and the Media Stream demonstration context of processing, and according to Media Stream, shows that context shows Media Stream.
Further this data source context generates according to the screen host-host protocol.
Simultaneously, data source information content is played up and processed the preview step that comprises before the data element information content that receives.
Giant-screen when Media Stream is shown, forms the information physics that shows on each physical screen of giant-screen the physics of playing up the data stream after processing that stitchs together and presents.
Also comprise a kind of display control program that media stream data is processed, comprising:
Data source 101: be used for providing giant-screen the needed media data flow that is formed by data source context and data source information content;
Screen formation controller 102: be used for the media data flow that receives is processed, control according to data source context and user is played up processing to data source information content, generate Media Stream demonstration context according to playing up result and data source context, Media Stream is shown that context and the media data flow of playing up the data source information content composition of processing are transferred to screen display controller 103 by data line;
Screen display controller 103, show that according to Media Stream the media data flow that context will receive outputs on corresponding physical screen;
Display screen 104, combined by a plurality of physical screens, shows and play up the data source information content of processing under the control of screen display controller 103.
Wherein data source 101 further comprises:
Source data generator 1011, be used for generated data source context, thereby the data source context that generates is appended in the data source information content and forms transmissible media data flow;
The controlled agency 1012 of source data, according to the screen host-host protocol, identify the characteristics of Media Stream, select different compression algorithm compressed media data stream, and after 102 foundation are communicated by letter with the screen formation controller, the media data flow after compression is sent in screen formation controller 102.
Also require a kind of screen formation controller that media stream data is processed, comprising:
Screen maker 1021, obtain media data flow, and it is stored in memory cell 10221;
Screen telepilot 105, extract media data flow from memory cell 10221, data source information content to a plurality of media data flows of extracting is carried out preview, and according to data source context and user's instruction, the data source information content of preview is played up processing, the media data flow that will obtain after processing after finishing dealing with deposits memory cell 10221 in and it is locked;
Context generation unit 10224, obtain the media data flow of locking, and carry out locked data source context and assemble, form virtual screen and show context, the virtual screen that the parameters that provides according to system configuration device 10223 afterwards will form shows that context is decomposed into the demonstration context of each physical screen, the demonstration context of these physical screens is assembled and formed Media Stream demonstration context, thereby this Media Stream demonstration context is appended in playing up the data source information content of processing and forms transmissible media data flow.
Wherein system configuration device 10223 obtains the characteristic of each physical screen from the screen display controller 103 of giant-screen side.
Wherein context generation unit 10224 identifies the characteristics of above-mentioned transmissible media data flow by the screen host-host protocol, from selecting different compression algorithms, the above-mentioned media data flow that is sent to is compressed.
Also comprise finally a kind of screen display controller that media stream data is shown, comprising:
Receiver 1031, obtain the media data flow that compresses;
Demoder 1032, decode to the media data flow of compression, thereby obtain data source information content and Media Stream demonstration context;
Description of drawings
Fig. 1 is the system construction drawing of large screen display control system;
Fig. 2 is the system construction drawing of screen main control unit;
Fig. 3 is the system construction drawing of screen display controller;
Fig. 4 is the workflow diagram of large screen display control system.
Embodiment
Below in conjunction with the accompanying drawing illustrated embodiment, technical scheme of the present invention is described in further detail.
Fig. 1 shows the system chart of large screen display control system.This system comprises data source 101, screen formation controller 102, screen display controller 103, display screen 104 and screen telepilot 105.Fig. 2 is the concrete structure of the screen main control unit 1022 in screen formation controller 102, Fig. 3 is the concrete structure of screen display controller 103, Fig. 4 is the workflow diagram of large screen display control system, introduces respectively concrete formation and the workflow thereof of this each component devices of large screen display control system to Fig. 4 below with reference to Fig. 1.
One, the data source 101
Data source 101 is used for providing giant-screen needed various Media Streams.
Data source 101 comprises source data generator 1011 and the controlled agency 1012 of source data.Source data generator 1011 wherein is used for generated data source context, this data source context is used for data of description source characteristics, compression algorithm, resolution, size, color depth etc., thereby the data source context that the source data generator will generate appends in the data source information content and forms transmissible media data flow.The controlled agency 1012 of source data is according to the screen host-host protocol, identify the characteristics of Media Stream, audio or video for example, select different compression algorithm compressed media data stream, and after 102 foundation are communicated by letter with the screen formation controller, the media data flow after compression is sent in screen formation controller 102.
Two, the screen formation controller 102
Screen formation controller 102 is used for the media data flow that receives is processed, control according to data source context and user is played up processing to data source information content, generate Media Stream demonstration context according to playing up result and data source context, Media Stream is shown context and plays up the data source information content of processing by data line, be transferred to screen display controller.
This screen formation controller 102 comprises screen maker 1021, screen main control unit 1022.
Screen maker 1021 wherein obtains the media data flow according to the compression of screen host-host protocol, decoded media data stream and to the demonstration of decoding of data source information content, the media data flow that will decode afterwards offers memory cell 10221(and sees Fig. 2).
Screen telepilot 105 extracts media data flow from memory cell 10221, data source information content to a plurality of media data flows of extracting is carried out preview, and according to data source context and user's instruction to the data source information content of preview carry out that picture scene process, combined treatment, drift are processed, splicing processes etc. the various processing of playing up, the media data flow that will obtain after processing after finishing dealing with deposits memory cell 10221 in and it is locked, and issues to screen main control unit 1022 instruction of finishing dealing with simultaneously.
Screen main control unit 1022(sees Fig. 2), comprise memory cell 10221, control module 10222, system configuration device 10223, context generation unit 10224 and transmitter 10225.The media data flow that 1022 pairs of screen telepilots of this screen main control unit were processed carries out the context assembling, forms a plurality of demonstration contexts of a plurality of physical screens.Describe the concrete formation of screen control unit 1022 in detail below in conjunction with accompanying drawing 2:.
Control module 10222 is communicated by letter with screen telepilot 105, therefrom obtains to finish dealing with instruction.Control 10224 work of context generation unit.
context generation unit 10224 is communicated by letter with memory cell 10221, obtain the media data flow of locking, according to the context of playing up result and locked media data flow, form virtual screen and show context, the virtual screen that the parameters that provides according to system configuration device 10223 afterwards will form shows that context is decomposed into the demonstration context of each physical screen, thereby the demonstration context of these physical screens is assembled and formed Media Stream demonstration context, this Media Stream is shown that context appends in the data source information content of locked media data flow, thereby form transmissible media data flow.Identify again the characteristics of media data flow by the screen host-host protocol, select different compression algorithm compressions, the media data flow after compression is stored in memory cell 10221.
Transmitter 10225, the media stream data of the compression in the transmission storer, the media data flow of this compression comprise data source information content and the Media Stream demonstration context of playing up processing through screen telepilot 105.
Three, screen display controller 103
Screen display controller 103 comprises receiver 1031, demoder 1032, display controller 1033, storer 1034, context control module 1035 and video card 1036.This screen display controller 103 shows that according to Media Stream the media data flow that context will receive outputs on corresponding physical screen.Introduce in detail the concrete composition of screen display controller 103 below with reference to Fig. 3.。This screen display controller 103 comprises:
Receiver 1031, communicate by letter with the transmitter 10225 of screen formation controller 102, obtains the media data flow of compression, and it is stored into storer 1034;
Demoder 1032, decode to the media data flow of compression, thereby obtain to play up through screen telepilot 105 data source information content and the Media Stream processed, shows context;
Display controller 1033, control each parts of screen display controller 103, and can with each component communication of screen maker 102;
Storer 1034, the medium data stream;
Video card 1036, carry out local demonstration, play up media data flow.
Four, display screen 104
Display screen 104 is combined by a plurality of physical screens.Display screen 104 shows the data source information content of playing up under the control of screen display controller 103.
, below with reference to Fig. 4, introduce the method for work of this large screen display control system.
Step 401, generate the media data flow that compresses.
By data source generated data source context, this data source context is used for the attributes such as data of description source characteristics, compression algorithm, resolution, size, color depth, thereby the data source context that generates is appended in the data source information content and forms transmissible media data flow.According to the screen host-host protocol, identify the characteristics of Media Stream, for example audio frequency, video, thus select different compression algorithm compressed media data stream; After 102 foundation are communicated by letter with the screen formation controller, the media data flow after compression is sent in screen formation controller 102.
Step 402, receiving media data stream.
Acquisition is according to the media data flow of screen host-host protocol compression, and the decoded media data stream, obtain data source information content and data source context.
A plurality of data source information contents of preview decoding, and according to data source context and user's instruction carry out that picture scene process, combined treatment, drift are processed, splicing processes etc. and variously to play up processing, thereby form the data source information content of processing.
Step 404, form the virtual screen context.
, according to playing up result and the data source context repaints screen display context and dependent instruction, form virtual screen and show context.
The parameter of each physical screen of the composition giant-screen that provides according to system configuration device 10223, virtual screen is shown that context is decomposed into the demonstration context of each physical screen, these physical screens demonstration contexts are assembled, thereby form Media Stream and show context, this Media Stream is shown that context appends in the data source information content of processing, thereby form transmissible media data flow.According to the screen host-host protocol, identify the characteristics of Media Stream, select the different transmissible media data flows of compression algorithm compression.
Step 406, display media stream.
The media data flow that compressed is transferred to the giant-screen side, and giant-screen side decompression media data flow is also decoded to it, thereby obtains the data source information content of processing and Media Stream demonstration context.Show context according to Media Stream, this locality of controlling Media Stream shows, plays up.The data source information content of processing is shown that according to Media Stream context outputs on corresponding physical screen.It is exactly that the physics of the data after step 403 is processed presents that the information physics that shows on each physical screen stitchs together.
Obviously, those skilled in the art can carry out various changes and modification and not break away from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention also is intended to comprise these changes and modification interior.
Claims (10)
1. large screen display method, comprising following steps:
Receive data source information content and data source context;
According to data source context and user's instruction, above-mentioned data source information content is processed;
Form virtual screen demonstration context according to result and data source context;
According to the parameter of each physical screen that forms giant-screen, above-mentioned virtual screen is shown that context is decomposed into the demonstration context of each physical screen;
Generate Media Stream demonstration context according to the demonstration context of above-mentioned each physical screen;
The data source information content that the giant-screen reception ﹠ disposal is crossed and Media Stream show context, according to Media Stream, show that context shows the data source information content of processing.
2. large screen display method as claimed in claim 1, wherein the data source context generates according to the screen host-host protocol.
3. large screen display method as claimed in claim 1, comprise the step that the data source information content that receives is carried out preview before wherein data source information content being processed.
4. large screen display method as claimed in claim 1, wherein giant-screen when information is shown, forms the information physics that shows on each physical screen of giant-screen the physics that is the data stream after treated that stitchs together and presents.
5. display control program that media stream data is processed comprises:
Data source 101: be used for providing the media data flow that giant-screen is needed, be comprised of data source context and data source information content;
Screen formation controller 102: be used for the media data flow that receives is processed, control according to data source context and user is processed data source information content, generate Media Stream demonstration context according to result and data source context, will show that the media data flow that context and the data source information content of processing form is transferred to screen display controller 103 by data line by Media Stream;
Screen display controller 103, show that according to Media Stream the data source information content of the processing that context will receive outputs on corresponding physical screen;
Display screen 104, combined by a plurality of physical screens, the data source information content that Graphics Processing is crossed under the control of screen display controller 103.
6. display control program as claimed in claim 5, wherein data source 101 further comprises:
Source data generator 1011, be used for generated data source context, thereby the data source context that generates is appended in the data source information content and forms transmissible media data flow;
The controlled agency 1012 of source data, according to the screen host-host protocol, identify the characteristics of Media Stream, select different compression algorithm compressed media data stream, and after 102 foundation are communicated by letter with the screen formation controller, the media data flow after compression is sent in screen formation controller 102.
7. screen formation controller that media stream data is processed comprises:
Screen maker 1021, obtain media data flow, and it is stored in memory cell 10221, and this media data flow comprises data source information content and data source context;
Screen telepilot 105, from memory cell 10221 reading media data stream, data source information content to a plurality of media data flows of reading is carried out preview, and according to data source context and user's instruction, the data source information content of preview is processed, the media data flow that will obtain after processing after finishing dealing with deposits memory cell 10221 in, and the media data flow that obtains is locked;
System configuration device 10223, store the characterisitic parameter of each physical screen, and the required parameters of context of each physical screen of configuration is provided according to these characterisitic parameters;
context generation unit 10224, obtain the media data flow of locking, according to the result of screen telepilot 105 and the context of locked media data flow, form virtual screen and show context, the virtual screen that the parameters that provides according to system configuration device 10223 afterwards will form shows that context is decomposed into the demonstration context of each physical screen, the demonstration context of these physical screens is assembled and formed Media Stream demonstration context, this Media Stream is shown that context appends in the data source information content of locked media data flow, thereby form transmissible media data flow.
8. screen formation controller as claimed in claim 7, wherein system configuration device 10223 obtains the characterisitic parameter of each physical screen from the screen display controller 103 of giant-screen side.
9. screen formation controller as claimed in claim 7, wherein context generation unit 10224 identifies the characteristics of above-mentioned transmissible media data flow by the screen host-host protocol, from selecting different compression algorithms, above-mentioned transmissible media data flow is compressed.
10. screen display controller that media stream data is shown comprises:
Receiver 1031, obtain from screen formation controller 102 media data flow that compresses;
Demoder 1032, decode to the media data flow of compression, thereby obtain data source information content and Media Stream demonstration context;
Context control module 1035, show context according to Media Stream, controls the local demonstration of video card, plays up, and the data source information content is shown that according to Media Stream context outputs on corresponding physical screen; This context control module 1035 also can obtain the characterisitic parameter of each physical screen, and the characterisitic parameter that will obtain is sent to screen formation controller 102, the characterisitic parameter formation Media Stream demonstration context that screen formation controller 102 foundations obtain.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107077117A (en) * | 2014-10-29 | 2017-08-18 | 西门子公司 | The selection of automatic compression algorithm and parameter regulation based on Context Knowledge |
| CN107358659A (en) * | 2017-07-21 | 2017-11-17 | 福建星网视易信息系统有限公司 | More pictures fusion display methods and storage device based on 3D technology |
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| CN102349100A (en) * | 2009-01-13 | 2012-02-08 | 集成装置技术公司 | Multi-monitor display |
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| US6348933B1 (en) * | 1998-07-20 | 2002-02-19 | Hewlett-Packard Company | Single logical screen display using multiple remote computer systems |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107077117A (en) * | 2014-10-29 | 2017-08-18 | 西门子公司 | The selection of automatic compression algorithm and parameter regulation based on Context Knowledge |
| US10303148B2 (en) | 2014-10-29 | 2019-05-28 | Siemens Aktiengesellschaft | Automatic compression algorithm selection and parameter tuning based on contextual knowledge |
| CN107077117B (en) * | 2014-10-29 | 2019-10-01 | 西门子公司 | The selection of automatic compression algorithm and parameter regulation based on Context Knowledge |
| CN107358659A (en) * | 2017-07-21 | 2017-11-17 | 福建星网视易信息系统有限公司 | More pictures fusion display methods and storage device based on 3D technology |
| CN107358659B (en) * | 2017-07-21 | 2021-06-22 | 福建星网视易信息系统有限公司 | Multi-picture fusion display method based on 3D technology and storage device |
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