CN104469404B - The remote batch control method for playing back of LED display and LCD liquid crystal display screen - Google Patents
The remote batch control method for playing back of LED display and LCD liquid crystal display screen Download PDFInfo
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- CN104469404B CN104469404B CN201410740492.8A CN201410740492A CN104469404B CN 104469404 B CN104469404 B CN 104469404B CN 201410740492 A CN201410740492 A CN 201410740492A CN 104469404 B CN104469404 B CN 104469404B
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- led
- led display
- lcd
- liquid crystal
- crystal display
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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
- H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
- H04N21/25808—Management of client data
- H04N21/25825—Management of client data involving client display capabilities, e.g. screen resolution of a mobile phone
-
- 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
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/23805—Controlling the feeding rate to the network, e.g. by controlling the video pump
-
- 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
- H04N21/26258—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 generating a list of items to be played back in a given order, e.g. playlist, or scheduling item distribution according to such list
-
- 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
- H04N21/4586—Content update operation triggered locally, e.g. by comparing the version of software modules in a DVB carousel to the version stored locally
-
- 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
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
- H04N21/4621—Controlling the complexity of the content stream or additional data, e.g. lowering the resolution or bit-rate of the video stream for a mobile client with a small screen
-
- 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
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47202—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand
Abstract
The present invention relates to a kind of LED display and the remote batch control method for playing back of LCD liquid crystal display screen, including server end step and end step.A kind of LED display provided by the invention and the control method for playing back of LCD liquid crystal display screen can give the LED display of various different brands and LCD liquid crystal display screen to provide the playing function of image and sound, when solution LED display and LCD liquid crystal display screen are used in mixed way, a kind of demand of player of unified management, and there is the synchronous conversion played with asynchronous play function, make both can synchronously play TV programme, can also automatically switch asynchronous local broadcasting image programs.
Description
Technical field
The present invention relates to player control method, the remote batch of specifically a kind of LED display and LCD liquid crystal display screen
Control method for playing back.
Background technology
LED display and LCD liquid crystal display screen are usually used in public place advertising, typically under different occasions and environment
It is different according to light intensity, it can select using LED display or LCD liquid crystal display screen as terminal presentation facility, like product
Can not compatible two class display screens simultaneously playing function, LCD liquid crystal display screen wants adapted LCD players, and LED display then only has
Computerized control its program broadcasting, so can not two class display screens simultaneously in use, being broadcast using same player
Put, and the player of LCD liquid crystal display screen cannot synchronously play TV programme, in addition in LED display using upper, now all
It is that TV program control broadcasting is carried out with computer, shortcoming performance is being occurred not in various occasions in computer by environmental conditions
Stable (such as virus, temperature and computer operating system) causes display screen irregular working.
The content of the invention
The primary and foremost purpose of the present invention is that providing a kind of LED display and the remote batch of LCD liquid crystal display screen plays control
Method processed, is realized by such scheme：
The remote batch control method for playing back of a kind of LED display and LCD liquid crystal display screen, comprises the following steps：
Server end：
Edit list, set playing list and its relevant parameter；
Terminal is selected, selection needs LED display or the LCD liquid crystal display screen played, determines pixel specification；
Issue, generate control command and convert thereof into data-signal to player transmission；
Terminal：
List is received, selected player receives control command, playing list and its relevant parameter in control command
Generate playlist；
Judge LED, LCD, according to pixel specification, terminal selected by automatic decision is LED display or LCD liquid crystal displays
Screen；
Download, for the player according to playlist, being downloaded from server end needs played file；
Play, selected terminal presses playlist played file.
Preferably, before download step, in addition to renewal playlist step：Played file is needed in the player downloads
Before, the player examines whether generate new playlist；
Examined such as the player and generate new playlist, then the player is according to new playlist, from clothes
Business device end, which is downloaded, needs played file.
Preferably, the relevant parameter of the playing list includes split screen quantity.
Preferably, after judging LED, LCD, according to LCD or LED characteristic, corresponding characteristic processing is carried out, including but not
It is limited to, by chromaticity correction, GAMMA corrections, gamma correction, resolution ratio scaling, sharpening image processing parameter, to be added to playlist
In, or the relevant parameter in modification playlist.
Preferably, terminal selected by judging as after LED display, it is necessary to carry out chromaticity correction, GAMMA correction.
A kind of LED display provided by the invention and the remote batch control method for playing back of LCD liquid crystal display screen can be given
The LED display and LCD liquid crystal display screen of various different brands provide the playing function of image and sound, solve LED display
When being used in mixed way with LCD liquid crystal display screen, a kind of demand of player of unified management, and have synchronous broadcasting and asynchronous play
The conversion of function, make both can synchronously play TV programme, can also automatically switch asynchronous local broadcasting image programs.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, not
Inappropriate limitation of the present invention is formed, in the accompanying drawings：
Fig. 1 is system block diagram of the embodiment of the present invention；
Fig. 2 is server end FB(flow block) of the embodiment of the present invention；
Fig. 3 is terminal FB(flow block) of the embodiment of the present invention.
Embodiment
The present invention is described in detail below in conjunction with accompanying drawing and specific embodiment, herein illustrative examples of the invention
And explanation is used for explaining the present invention, but it is not as a limitation of the invention.
Embodiment
As shown in figure 1, a kind of LED and LCD display player for adapting to various control system, including：
Processing unit, the input of processing unit are connected by peripheral bus with memory cell, and the processing unit is used for
The played file positioned at memory cell is read, and it is represented with digital signaling and handled according to control command, this
Processing unit uses MIPS chips Sigma 8652 in embodiment, coordinates DDR internal memories to complete to read and handle work, wherein described
Played file stores in the memory unit, and the memory cell is SD card, SATA hard disc, the external memory storage by USB connections
Or the network memory for passing through network connection.
Signal switching module, the input of the signal switching module is connected to the output end of the processing unit, described
The output end of signal switching module is connected to modulation module, field programmable gate array, is ordered by processing unit according to control
Order selectivity sends signal to modulation module or field programmable gate array；
Wherein, the modulation module is used into AV signals, HDMI signals etc. to be played the digital signal modulated by LCD
The analog signal of device identification, the modulation chip used in the present embodiment is IT6604；
Wherein, the field programmable gate array is used for the digital signal modulated into can be identified by LED players
Analog signal, the fpga chip used in the present embodiment is ALTERA EP4CE30；
The input of the field programmable gate array is also associated with demodulation module, and the demodulation module is used for input
Synchronizing signal such as HDMI signals etc. are demodulated to the analog signal that can be identified by LED players, the solution aligning used in the present embodiment
Piece is IT6613.
In above-described embodiment scheme, processing unit is that MIPS chips zoom in and out according to the list window ratio of download, solution
The operation such as code, is exported by 24 RGB buses, and modulation chip is modulated into AV, HDMI signal outputs to LCD display, Huo Zhetong
Cross 24 RGB buses to be output in FPGA buses, mapping is scaled according to the special requirement of LED screen by FPGA, switchs to LED and shows
Show the communication protocol of Driver Card, carry out LED controls, realize that a player is applied to LED display and LCD liquid crystal display screen
Broadcasting；In addition, by MIPS chips according to clock control, the path of FPGA selection inputs, decision is from RGB buses or demodulation
Data on chip bus are handled, and are scaled, coding, realize that synchronous/asynchronous switches, for example, usually under Play Server institute
The Asynchronous content of hair, regularly 19：00 plays TV programme, due to that on the market without corresponding product, can only arrange manually to exist at present
19：00 goes to switch the connection line of equipment and changes corresponding equipment, and the present invention synthesizes synchronous/asynchronous on one piece of board,
Can accomplishes timing automatic switch mode to player when in use.
Embodiment scheme provided by the invention is that one kind can be used for LED display and the class of LCD liquid crystal display screen two is shown
Screen plays the player of image programs.Share a kind of this player of player and can be used for LED display and LCD liquid crystal displays
Screen plays image programs；Can be to LED display and LCD liquid crystal display screen the offer image of various different brands and broadcasting for sound
Playing function, when solution LED display and LCD liquid crystal display screen are used in mixed way, a kind of player demand of unified management；It can give
LED display and LCD liquid crystal display screen provide network interface, realize that these display screens (internet and LAN) on network are controlled
System and management；It can realize that two class display screens are managed collectively by Management software platform；There is synchronous play and asynchronous play function
Conversion, make both can synchronously play TV programme, can also automatically switch asynchronous local plays image programs；Show in LED
During display screen asynchronous play, no video file format transformation needed broadcasting, original video file is directly played, and presses
1080P high definition standard, control pixel, by 1080P high definition standard, realize video up to the LED display of 1920 point x1080 points
Image file stores and management and picture and text, the broadcasting of sound, ensure that quality and effect that video file plays.
The remote batch control method for playing back that the LED and LCD display player of above-mentioned adaptation various control system are used
It is as follows：
The remote batch control method for playing back of a kind of LED display and LCD liquid crystal display screen, comprises the following steps：
Server end：
Edit list, sets playing list and its relevant parameter, under traditional mode, distributes multiple windows, uses real image element
Pattern sets coordinate, and in this programme, server is converted to【0.0~1.0】Section, using floating-point ratio, corresponding full screen coordinate
Position；
Terminal is selected, selection needs LED display or the LCD liquid crystal display screen played；The broadcasting control of LCD display is defeated
Going out for standard picture specification, LED display, which plays, control that to export be non-standard image specification, therefore after terminal is selected, also
It has selected different pixel specifications；
Resolution ratio configures, and when selected terminal is LED display, reads background data base configuration, is converted to real image element and sits
Mark system, due to the non-standard resolution character of LED screen, therefore each LED display, it is required for, according to its configuration data, entering
Row is changed again, and according to rotary mode, carries out coordinate quadratic transformation；
Issue, generate control command and convert thereof into data-signal to player transmission；
Terminal：
List is received, selected player receives control command, playing list and its relevant parameter in control command
Generate playlist；
Judge LED, LCD, because LED and lcd controller use unified software, therefore software is firstly the need of judging equipment control
System is LED or LCD, and it is standard picture specification that the broadcasting of LCD display, which controls output, such as 720p, 1080p, LED display
It is non-standard image specification that broadcasting, which controls output, and pixel specification is defined generally according to wall size, such as 128 × 400,600 ×
336 etc.；In an lcd, it is not necessary to which chromaticity correction, the GAMMA shown is corrected, and LED controller, due to light emitting diode
Display characteristic is, it is necessary to carry out chromaticity correction, GAMMA corrections；
According to LCD or LED characteristic, corresponding characteristic processing is carried out, including but not limited to by chromaticity correction, GAMMA
The Image Processing parameters such as correction, gamma correction, resolution ratio scaling, sharpening, are added in playlist, or modification playlist
In some parameters；
Download, for the player according to playlist, being downloaded from server end needs played file；
Play, selected terminal is by the final playlist played file changed and configured automatically.
As the improvement of above-mentioned steps, before download step, in addition to playlist step is updated：Under the player
Before load needs played file, the player examines whether generate new playlist；
Examined such as the player and generate new playlist, then the player is according to new playlist, from clothes
Business device end, which is downloaded, needs played file.
As the preferred scheme of above-mentioned steps, the relevant parameter of the playing list includes split screen quantity, and split screen quantity is
LED display number of pictures in setting is played out to LED display.
The technical scheme provided above the embodiment of the present invention is described in detail, specific case used herein
The principle and embodiment of the embodiment of the present invention are set forth, the explanation of above example is only applicable to help and understands this
The principle of inventive embodiments；Meanwhile for those of ordinary skill in the art, according to the embodiment of the present invention, in specific embodiment party
There will be changes in formula and application, in summary, this specification content should not be construed as limiting the invention.
Claims (4)
1. the remote batch control method for playing back of a kind of LED display and LCD liquid crystal display screen, it is characterised in that including following step
Suddenly：
Server end：
Edit list, playing list and its relevant parameter are set, distributes multiple windows, coordinate, clothes are set using real voxel model
Business device is converted to 0.0 ~ 1.0 section, using floating-point ratio, corresponding full screen coordinate position；
Terminal is selected, selection needs LED display or the LCD liquid crystal display screen played；The broadcasting of LCD display controls the output to be
Standard picture specification, it is non-standard image specification that LED display, which plays and controls output, therefore after terminal is selected, is also just selected
Different pixel specification；
Resolution ratio configures, and when selected terminal is LED display, reads background data base configuration, is converted to real pixel coordinate body
System, due to the non-standard resolution character of LED screen, therefore each LED display, it is required for according to its configuration data, carries out weight
New conversion, and according to rotary mode, carry out coordinate quadratic transformation；
Issue, generate control command and convert thereof into data-signal to player transmission；
Terminal：
List is received, selected player receives control command, playing list and its relevant parameter generation in control command
Playlist；
Judge LED, LCD, because LED and lcd controller use unified software, therefore be firstly the need of judge equipment control
LED or LCD, it is standard picture specification that the broadcasting of LCD display, which controls output, and it is nonstandard that LED display, which plays and controls output,
Quasi- picture specification, pixel specification is defined according to wall size；In an lcd, it is not necessary to chromaticity correction, the GAMMA shown
Correction, and LED controller, because the display characteristic of light emitting diode is, it is necessary to carry out chromaticity correction, GAMMA corrections；
According to LCD or LED characteristic, carry out corresponding characteristic processing, including but not limited to by chromaticity correction, GAMMA correction,
Gamma correction, resolution ratio scaling, sharpening image processing parameter, are added in playlist, or certain in modification playlist
A little parameters；
Download, for the player according to playlist, being downloaded from server end needs played file；
Play, selected terminal is by the final playlist played file changed and configured automatically.
2. the remote batch control method for playing back of LED display as claimed in claim 1 and LCD liquid crystal display screen, its feature
It is：
Before download step, in addition to renewal playlist step：It is described to broadcast before the player downloads need played file
Put device and examine whether generate new playlist；
Examined such as the player and generate new playlist, then the player is according to new playlist, from server
End download needs played file.
3. the remote batch control method for playing back of LED display as claimed in claim 1 and LCD liquid crystal display screen, its feature
It is：
The relevant parameter of the playing list includes split screen quantity.
4. the remote batch control method for playing back of LED display as claimed in claim 1 and LCD liquid crystal display screen, its feature
It is：
Terminal selected by judging as after LED display, it is necessary to carry out chromaticity correction, GAMMA correction.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410740492.8A CN104469404B (en) | 2014-12-05 | 2014-12-05 | The remote batch control method for playing back of LED display and LCD liquid crystal display screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410740492.8A CN104469404B (en) | 2014-12-05 | 2014-12-05 | The remote batch control method for playing back of LED display and LCD liquid crystal display screen |
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| CN104469404A CN104469404A (en) | 2015-03-25 |
| CN104469404B true CN104469404B (en) | 2018-02-16 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105472399B (en) * | 2015-11-20 | 2019-04-05 | 深圳市奥拓电子股份有限公司 | A kind of rebroadcast video and live display video separation method and device |
| CN109426472A (en) * | 2017-08-25 | 2019-03-05 | 西安诺瓦电子科技有限公司 | Multimedia play system and multimedia player |
| CN108540522B (en) * | 2018-02-07 | 2021-06-22 | 广州市统云网络科技有限公司 | Information push platform management method and system |
| CN108429792B (en) * | 2018-02-07 | 2021-01-26 | 广州市统云网络科技有限公司 | Information push platform management code encoding method and network management platform |
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| WO2007129081A1 (en) * | 2006-05-05 | 2007-11-15 | Omnifone Limited | A method of providing digital rights management for music content by means of a flat-rate subscription |
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| WO2007129081A1 (en) * | 2006-05-05 | 2007-11-15 | Omnifone Limited | A method of providing digital rights management for music content by means of a flat-rate subscription |
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