CN102420855B - Method and system for displaying and playing by light-emitting diode (LED) terminal as well as server - Google Patents
Method and system for displaying and playing by light-emitting diode (LED) terminal as well as server Download PDFInfo
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- CN102420855B CN102420855B CN201110364684.XA CN201110364684A CN102420855B CN 102420855 B CN102420855 B CN 102420855B CN 201110364684 A CN201110364684 A CN 201110364684A CN 102420855 B CN102420855 B CN 102420855B
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Abstract
The invention discloses a method and a system for displaying and playing by a light-emitting diode (LED) terminal as well as a server, wherein the method comprises the steps that program description data submitted by user equipment (UE) is received by the server; a program document is generated according to the program description data; and the LED terminal is informed to extract the program document from the server in a wired way or wireless way, so that the content in the program document can be analyzed and played by the LED terminal. In the invention, the configuration requirements for hardware and software of a control card of an LED screen can be reduced, so that the cost of the control card for the display of an LED can be reduced, the network transmission times of the program document can be reduced, a font object library provided by a system of a terminal of the control card is not depended on, the character programs with various fonts can be played, and various programs can be displayed and played in a best effect.
Description
Technical field
The present invention relates to file play-back technology field, especially, relate to a kind of LED terminal display the play method, system and server.
Background technology
At present, LED display can be divided into two classes by the difference of data transfer mode: a class is to adopt with the real-time video of the same content of Computer display to shield (claiming to synchronize again screen); Another kind of is the independent video source display screen (claiming again asynchronous screen) of by the means of communication such as USB, Ethernet, displaying contents being issued to display screen, if adopt communication, and all right real-time update displaying contents, flexibility is high.Use LED can be used for the various information such as display text, figure, time, animation, weather forecast, present quotation (for example, the stock exchange rate), video cartoon.
For asynchronous screen, its reception be various forms of program file.The most frequently used program organizational form is at present: html file mode and multiple format file mode.
Html file mode: LED screen control card is resolved the html file receiving by client browser, displaying the demonstration of carrying out HTML export LED screen to.Browser can automatically be downloaded the material file referring in HTML and resolve.But html file mode needs LED screen control card to support browser, hardware configuration requires high, and the cost of LED screen will be high a lot of like this.In addition, it is to utilize marquee label or js in HTML to realize that html file mode realizes the move to left effect that moves to right of text, finds after tested, there will be the not smooth phenomenon such as one one in the time moving to left or move to right on LED, causes display effect undesirable.In addition, need to have the support of local character library in the time showing text, this just needs control card system to have the character library of supporting various fonts.
Multiple format file mode: LED screen control card removes to download the file of various forms according to the program configuration file getting, then each file organization is got up to play.As can be seen here, multiple format file mode is, by LED screen control card system, the file organizations such as word, figure, time, animation, weather forecast, present quotation, video cartoon are got up to resolve broadcasting, but this needs control card to realize separately the parsing playout software of a set of similar HTML, greatly increase complexity, equally, there is the shortcoming the same with HTML display mode in multiple format file mode.
Summary of the invention
The technical problem that the present invention will solve is to provide a kind of LED terminal display the play method, system and server, can overcome the shortcoming on program tissue and broadcast mode.
According to an aspect of the present invention, propose a kind of LED terminal method that displays the play, comprised that server receives the program data of description that subscriber equipment is submitted to; Generate program file according to program data of description; From server, extract program file by wired mode or wireless mode notice LED terminal, so that the content in LED terminal parses broadcast program file.
According to a further aspect in the invention, also propose a kind of server, comprised data receiver unit, the program data of description of submitting to for receiving subscriber equipment; File generating unit, is connected with data receiver unit, for generating program file according to program data of description; Notice extraction unit, is connected with file generating unit, for extracting program file by wired mode or wireless mode notice LED terminal from server, so that the content in LED terminal parses broadcast program file.
According to another aspect of the invention, also proposed a kind of LED terminal system that displays the play, comprised subscriber equipment, LED terminal and server, wherein, subscriber equipment, is connected with server, for submitting program data of description to server; LED terminal, is connected with server by wired mode or wireless mode, the notice sending for reception server, and from server, take out program file by wired mode or wireless mode, the content in parsing broadcast program file.
LED terminal provided by the invention display the play method, system and server, (for example, Internet Transmission interaction times is many, need to download multiple files to have solved the shortcoming of asynchronous screen on program tissue and broadcast mode; It is bad that word moves left and right display effect; Word needs fontlib support, need internal memory to deposit different fontlib files, hardware cost and the software complexity etc. of LED screen control card are increased), and can reduce the configuration requirement for LED screen control card hardware and software, make LED display control card cost, reduce the number of times of program file Internet Transmission, do not rely on the fontlib that control card end system provides, can play the word program of various fonts, make the effect that displays the play of various programs reach best.
Brief description of the drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part.In the accompanying drawings:
Fig. 1 is the display the play schematic flow sheet of an embodiment of method of LED terminal of the present invention.
Fig. 2 is the schematic flow sheet that the present invention generates an example of program file.
Fig. 3 is the data structure schematic diagram of program file of the present invention.
Fig. 4 is the form schematic diagram of program file of the present invention.
Fig. 5 is the schematic flow sheet of an example of the content in LED terminal parses of the present invention and broadcast program file.
Fig. 6 is the display the play structural representation of an embodiment of system of LED terminal.
Fig. 7 is the structural representation of an embodiment of server of the present invention.
Fig. 8 is the structural representation of another embodiment of server of the present invention.
Fig. 9 is the structural representation of an embodiment of LED terminal of the present invention.
Embodiment
With reference to the accompanying drawings the present invention is described more fully, exemplary embodiment of the present invention is wherein described.Exemplary embodiment of the present invention and explanation thereof are used for explaining the present invention, but do not form inappropriate limitation of the present invention.
Illustrative to the description only actually of at least one exemplary embodiment below, never as any restriction to the present invention and application or use.
Fig. 1 is the display the play schematic flow sheet of an embodiment of method of LED terminal of the present invention.
As shown in Figure 1, this embodiment can comprise the following steps:
S102, server receives the program data of description that subscriber equipment is submitted to, wherein, can comprise the data of multiple pages in program data of description, can comprise again the data of multiple windows in the data of every one page, and the data in each window can comprise again multiple materials;
Particularly, user can submit to server by program data by visualization interface, for example, user can input " whether shuffle " by visualization interface, " whether cls " etc., and can input the text data showing for LED screen terminal, for example, user wishes multipage in LED screen terminal, many windows, and/or many materials show, need be on the visualization interface newly-built page of user so, newly-built window, and/or newly-built material and input and program, page, window, the data that material is relevant, wherein, material can include but not limited to word, figure, picture, time, animation, weather forecast, present quotation and video cartoon.
S104, server generates program file according to program data of description, and this program file can be PSM (Program of Sun Media, sunlight multimedia programming) file, will be described in detail this step by Fig. 2 subsequently.
S106, server has generated new program file by wired mode or wireless mode notice LED terminal, please LED terminal from server, extract this program file, so that the content in LED terminal parses broadcast program file will be described in detail the content in LED terminal parses broadcast program file by Fig. 5 subsequently.
This embodiment for LED screen control card hardware (for example can reduce, CPU and internal memory etc.) and the configuration requirement of software, make LED display control card cost, reduce the number of times of program file Internet Transmission, do not rely on the fontlib that control card end system provides, can play the word program of various fonts, make the effect that displays the play of various programs reach best.
Fig. 2 is the schematic flow sheet that the present invention generates an example of program file.
As shown in Figure 2, can comprise the following steps:
S202, by the nonbinary numerical value in program data of description (for example, the data such as display effect (shifted left/right etc.)) be converted to binary numeral, particularly, can convert to can write PSM file numeric type property value (for example, binary numeral) such as Boolean type numerical value and/or decimal system numerical value etc. in program data;
Illustrate, the Boolean type numerical value of " whether shuffle " that user can be inputted and " whether cls " converts numeric type property value to, for example, and in the time that " whether cls " is false, convert thereof into the numerical value 0 that can write PSM file, otherwise convert thereof into numerical value 1.
S204, converts the formatted data in program data of description (for example, can comprise the data such as size, text color of Word message to be shown, font) to data bitmap;
Illustrate, because (this mtlContent represents the content of material to the mtlContent in program data of description, it can be word, weather forecast, the information such as Time of Day, under different material forms, mtlContent content is different, as under single file Text Mode, mtlContent comprises word content, font size, font, the information such as font color) such formatted data is that LED screen terminal can not read, therefore must convert thereof into data bitmap, for example, convert " please herein input characters " such text data to picture form, show for LED screen terminal, originally be the processing of text data for material, can adopt the awt of for example java that text conversion is become to picture.Originally be exactly picture/mb-type for material, as its picture format meets the demands, can not process, if picture format does not meet and shows requirement, can process by means of software imagemagick.
S206, the index position of each page, each window and/or each material in calculating program data of description;
For example, suppose that the data A that user arranges in program data of description will show in first page, data B will show in second page, the index position of first page is 16, and the size that can obtain data A and B according to concrete data of description agreement and real time data is respectively 32 and 16, the index position of data B is 48, and the index position of the data that in like manner show in the 3rd page is 64, and the rest may be inferred.
S208, the program data of description after utilizing index position and changing builds the data structure of setting form;
For example, server can be built into program data of description data structure as shown in Figure 3, as shown in Figure 3, the index position that comprises " top line page data of description piece " in root node " program data of description piece ", in addition, in " program data of description piece ", can also comprise the attribute data relevant to program, for example, starttime (initial time relevant information), endtime (end time relevant information), width (pixel wide of screen), height (pixels tall of screen) etc.
In the first order, in node " top line page data of description piece ", comprise the index position of " top line window data of description piece " and the index position of " second program page data of description piece " of current program page, the rest may be inferred, comprises the index position of " top line window data of description piece " and the index position of " next (N+1) program page data of description piece " of current (N) program page in node " N program page data of description piece ".In addition, in each program page data of description piece, can also comprise the attribute data relevant to program page, for example, magicrectwidth (border width) and magicrectheight (frame height) etc.
In the second level, in node " top line window data of description piece ", comprise the index position of " top line material data of description piece " and the index position of " second program window data of description piece " of current program window, the rest may be inferred, comprises the index position of " top line material data of description piece " and the index position of " next (N+1) program window data of description piece " of current (N) program window in node " N program window data of description piece ".In addition, in each program window data of description piece, can also comprise the attribute data relevant to program window, for example, width (window width), height (window height), x0 (the origin coordinates x0 of window in screen), y0 (the origin coordinates y0 of window in screen) etc.
In the third level, the index position that comprises the corresponding material data bitmap of top line material and second program material data of description piece in node " top line material data of description piece ", the rest may be inferred, the index position that comprises N the corresponding material data bitmap of program material and next (N+1) individual program material data of description piece in " N program material data of description piece ".In addition, in each program material data of description piece, can also comprise the attribute data relevant to program material, for example, effect (material result of broadcast), mtlwidth (material width), mtlheight (material height) etc.
It is pointed out that the data structure of setting form in the present invention is not limited to said structure, can adopt any suitable data structure.
S210, adds program data mark at the head of data structure;
For example, this program data mark can comprise field: ID and DataLen, and wherein ID represents data block type, all block data structures by have one unique No. ID, for example, in the time that data block is playlist type, be for No. ID: 0x0fff0021.The form of this program data mark is not limited to this, but can adopt any suitable form.
S212, adds head and afterbody for the data structure of having added after program data mark, and to form program file, that is, identifying this file is PSM file;
Specifically, header for example can comprise field: Tag, Checktype, Crypt, Key, and wherein, Tag is for example the such file identification of SunD, and Checktype is method of calibration, and Crypt is encryption method, and Key is encryption key.Tail information for example can comprise field: Check (check word), for data segment is carried out to verification.Certainly header and tail information are not limited to this, and can be any suitable forms.
As can be seen here, the program file forming by above-mentioned steps comprises three layers, as shown in Figure 4.
Wherein, step S204 is optional step, in the time comprising non-pictorial information in program data of description, can these non-pictorial informations be all converted to message bit pattern by S204.
Fig. 5 is the schematic flow sheet of an example of the content in LED terminal parses of the present invention and broadcast program file.
As shown in Figure 5, can comprise the following steps:
S502, the program file that LED terminal parses receives, and whether whether it is complete to utilize the information checking program file parsing to download, for example, can carry out this program file of verification by the tail information of program file and download complete;
S504, if download complete, whether the file that inspection institute receives is program file, for example, can confirm whether the file receiving is a real program file, if comprise the file identification such such as SunD in header, shows that this file is program file by reading the header of program file;
S506, if program file, show and broadcast program file in content, for example, shown in Fig. 4, can read programme content wherein according to header and tail information, and by its demonstration and/or be played on the display screen of LED terminal.
One of ordinary skill in the art will appreciate that, whole and the part steps that realizes said method embodiment can complete by the relevant hardware of program command, aforesaid program can be stored in a computing equipment read/write memory medium, this program is in the time carrying out, execution comprises the step of said method embodiment, and aforesaid storage medium can comprise the various media that can be program code stored such as ROM, RAM, magnetic disc and CD.
In order to realize the embodiment of the above-mentioned method that displays the play, the present invention has designed again the system that displays the play that realizes said method, next will be described in detail this system.
Fig. 6 is the display the play structural representation of an embodiment of system of LED terminal.
As shown in Figure 6, the system 600 of this embodiment can comprise subscriber equipment 602, server 604 and LED terminal 606, wherein,
Subscriber equipment, is connected with server, and for submitting program data of description to server, wherein, this subscriber equipment can be mobile terminal, computer or other any equipment that can realize above-mentioned functions;
Server, be connected with LED terminal with subscriber equipment respectively, for receiving the program data of description of subscriber equipment submission, generating program file, notify LED terminal to extract program file from server by wired or wireless mode according to this program data of description, next in detail the internal structure of server will be described by Fig. 7;
LED terminal, is connected with server by wired mode or wireless mode, the notice sending for reception server, and from server, take out program file by wired mode or wireless mode, the content in parsing broadcast program file.This LED terminal can be but be not limited to the display terminal for display scrolling graph text information on the StoreFront of curbside, next will describe the internal structure of LED terminal in detail by Fig. 9.
This embodiment can reduce the configuration requirement for LED screen control card hardware and software, make LED display control card cost, reduce the number of times of program file Internet Transmission, do not rely on the fontlib that control card end system provides, can play the word program of various fonts, make the effect that displays the play of various programs reach best.
Fig. 7 is the structural representation of an embodiment of server of the present invention.
As shown in Figure 7, the server 700 of this embodiment can comprise:
Data receiver unit 702, the program data of description of submitting to for receiving subscriber equipment;
File generating unit 704, is connected with data receiver unit, for generating program file according to program data of description;
Fig. 8 is the structural representation of another embodiment of server of the present invention.
As shown in Figure 8, compared with embodiment in Fig. 7, the file generating unit 802 in the server 800 of this embodiment can comprise:
Numerical value conversion subelement 8022, for the nonbinary numerical value of program data of description is converted to binary numeral, for example, convert to can write in program file numeric type property value such as Boolean type numerical value and/or decimal system numerical value etc. in program data of description;
Index calculation subelement 8024, for calculating the index position of the each page of program data of description, each window and/or each material, wherein, material can include but not limited to word, figure, picture, time, animation, weather forecast, present quotation and video cartoon;
Structure construction subelement 8026, is connected with index calculation subelement with numerical value conversion subelement, for utilizing the data structure of the program data of description structure setting form after index position and conversion;
Mark is added subelement 8028, is connected with structure construction subelement, adds program data mark for the head in data structure, and is that the data structure of having added after program data mark is added head and afterbody, to form program file.
Further, the file generating unit in Fig. 8 can also comprise:
Bitmap-converted subelement 8023, is connected with structure construction subelement, for converting the formatted data of program data of description to data bitmap.Now, structure construction subelement also utilizes the data structure of the program data of description structure setting form after bitmap-converted.
Fig. 9 is the structural representation of an embodiment of LED terminal of the present invention.
As shown in Figure 9, the LED terminal 900 of this embodiment can comprise:
Download verification unit 902, for resolving received program file, and utilize the information checking program file parsing whether to download complete;
Whether format check unit 904, is connected with download verification unit, be program file for the file that inspection institute receives in the situation that download is complete;
The unit 906 that displays the play, is connected with form verification unit, for being to show program file and the content of broadcast program file at received file.
In this specification, each embodiment all adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment that part identical with similar between each embodiment can cross-references.For device embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, relevant part can be referring to the explanation of embodiment of the method part.
The above embodiment of the present invention has following beneficial effect:
(1) adopt the transmission of PSM document of agreement, multiple material formatted file and special efficacy description are organized into a file, reduced the number of transmissions of file network;
(2) convert the non-message bit patterns such as word to bitmap file, do not rely on the fontlib that LED terminal provides, can play the word program of various fonts, make the effect that displays the play of various programs reach best;
(3) be easy to Internet Transmission, and ensured the security reliability of transmission by cryptographic check;
(4) LED screen control card is easy to resolve and plays PSM file, has reduced the cost of card;
(5) PSM file structure is easy to expansion, and what's new is convenient, simple;
(6) solved the shortcoming of asynchronous screen on program tissue and broadcast mode;
(7) reduced the configuration requirement for LED screen control card hardware and software, made LED display control card cost.
Although specific embodiments more of the present invention are had been described in detail by example, it should be appreciated by those skilled in the art, above example is only in order to describe, instead of in order to limit the scope of the invention.It should be appreciated by those skilled in the art, can without departing from the scope and spirit of the present invention, above embodiment be modified.Scope of the present invention is limited by claims.
Claims (9)
1. the LED terminal method that displays the play, is characterized in that, comprising:
Server receives the program data of description that subscriber equipment is submitted to;
Generate program file according to described program data of description;
From described server, extract described program file by wired mode or wireless mode notice LED terminal, so that described LED terminal parses play the content in described program file;
Wherein, comprise according to the step of described program data of description generation program file:
Nonbinary numerical value in described program data of description is converted to binary numeral;
Calculate the index position of each page, each window and/or each material in described program data of description;
Utilize the data structure of the program data of description structure setting form after described index position and conversion;
Add program data mark at the head of described data structure;
For the data structure of having added after described program data mark is added head and afterbody, to form described program file.
2. the LED terminal according to claim 1 method that displays the play, is characterized in that, the step that generates program file according to described program data of description also comprises:
Convert the formatted data in described program data of description to data bitmap.
3. the LED terminal according to claim 1 method that displays the play, is characterized in that, described LED terminal parses the step of playing the content in described program file comprise:
The program file that described LED terminal parses receives, and utilize program file described in the information checking that parses whether to download complete;
If download complete, inspection institute receive file whether be described program file;
If described program file, show and play the content in described program file.
4. the LED terminal according to claim 1 method that displays the play, is characterized in that, described material comprises word, figure, picture, time, animation, weather forecast, present quotation and video cartoon.
5. a server, is characterized in that, comprising:
Data receiver unit, the program data of description of submitting to for receiving subscriber equipment;
File generating unit, is connected with described data receiver unit, for generating program file according to described program data of description;
Notice extraction unit, is connected with described file generating unit, for notifying LED terminal to extract described program file from described server by wired mode or wireless mode, so that described LED terminal parses play the content in described program file;
Wherein, described file generating unit comprises:
Numerical value conversion subelement, for being converted to binary numeral by the nonbinary numerical value of described program data of description;
Index calculation subelement, for calculating the index position of the each page of described program data of description, each window and/or each material;
Structure construction subelement, is connected with described index calculation subelement with described numerical value conversion subelement, for utilizing the data structure of the program data of description structure setting form after described index position and conversion;
Mark is added subelement, is connected with described structure construction subelement, adds program data mark for the head in described data structure, and is that the data structure of having added after described program data mark is added head and afterbody, to form described program file.
6. server according to claim 5, is characterized in that, described file generating unit also comprises:
Bitmap-converted subelement, is connected with described structure construction subelement, for converting the formatted data of described program data of description to data bitmap.
7. server according to claim 5, is characterized in that, described material comprises word, figure, picture, time, animation, weather forecast, present quotation and video cartoon.
8. the LED terminal system that displays the play, is characterized in that, comprises the server described in any one in subscriber equipment, LED terminal and claim 5-7, wherein,
Described subscriber equipment, is connected with described server, for submit described program data of description to described server;
Described LED terminal, be connected with described server by wired mode or wireless mode, the notice sending for receiving described server, and from described server, take out described program file by wired mode or wireless mode, resolve and play the content in described program file.
9. the LED terminal according to claim 8 system that displays the play, is characterized in that, described LED terminal comprises:
Download verification unit, for resolving received program file, and utilize program file described in the information checking that parses whether to download complete;
Whether format check unit, is connected with described download verification unit, be described program file for the file that inspection institute receives in the situation that download is complete;
The unit that displays the play, is connected with described format check unit, for being the content that shows and play described program file described program file at received file.
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| CN102799601A (en) * | 2012-04-26 | 2012-11-28 | 新奥特（北京）视频技术有限公司 | Method for detecting data completeness |
| US10740783B2 (en) * | 2016-04-25 | 2020-08-11 | Broadsign Serv, Llc | Method and digital signage player for managing distributed digital signage content |
| CN106804013A (en) * | 2017-03-14 | 2017-06-06 | 深圳创维－Rgb电子有限公司 | A kind of information cuing method and device |
| CN109040306A (en) * | 2018-09-10 | 2018-12-18 | 王成刚 | intelligent display terminal based on Internet of things |
| CN113518248A (en) * | 2020-04-09 | 2021-10-19 | 西安诺瓦星云科技股份有限公司 | Program publishing method, device and system |
| CN112102442A (en) * | 2020-09-04 | 2020-12-18 | 卡莱特（深圳）云科技有限公司 | Image-text walking setting method and device for LED display screen |
| CN116680034B (en) * | 2023-08-02 | 2023-10-27 | 山东依鲁光电科技有限公司 | LED asynchronous display screen self-adaptive mass-sending realization method |
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| CN101754118A (en) * | 2008-12-22 | 2010-06-23 | 中兴通讯股份有限公司 | The transmission method of mobile newspaper, sending method and transmitting system in the data broadcasting |
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| CN101754118A (en) * | 2008-12-22 | 2010-06-23 | 中兴通讯股份有限公司 | The transmission method of mobile newspaper, sending method and transmitting system in the data broadcasting |
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