CN104935996A - Synchronous display method of spliced wall - Google Patents
Synchronous display method of spliced wall Download PDFInfo
- Publication number
- CN104935996A CN104935996A CN201510309649.6A CN201510309649A CN104935996A CN 104935996 A CN104935996 A CN 104935996A CN 201510309649 A CN201510309649 A CN 201510309649A CN 104935996 A CN104935996 A CN 104935996A
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- CN
- China
- Prior art keywords
- play
- digital video
- sequential
- client
- broadcasting
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
- H04N21/4307—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
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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
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/242—Synchronization processes, e.g. processing of PCR [Program Clock References]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
Abstract
The invention discloses a synchronous display method of a spliced wall. The method comprises the following steps that a client uploads a digital video source to a server; the server carries out software digit decoding segmentation on the uploaded digital video source, and transmits segmented digital video signals to corresponding play ends; the play ends download the corresponding digital video signals, the server end obtains the time sequence of play content of each play unit of the play end from a user end via the network, inquires whether the time sequence of the play content of each play unit of the play end is consistent, and if yes, playing is continued; if the time sequences are inconsistent, the play end whose time sequence is faster slows down to wait for other units, and/or the play end whose time sequence is slower accelerates playing; and the play content and time sequence are corrected continuously. The method of the invention can realize millisecond level synchronization, and due to millisecond level synchronization and establishment of an inquiry mechanism, the selected play end can play any wanted content at any time and place during splicing.
Description
Technical field
The present invention relates to combination technical field, particularly relate to a kind of combination synchronous display method.
Background technology
Along with the development of Display Technique, the requirement of user to display screen is also more and more higher, in display industry, traditional TV, monitor display more and more can not meet the instructions for use of user, user no longer meets traditional single picture, the screen display of little picture, for many pictures, the screen display of large picture has had more demand, therefore combination is also more and more widely used in every field, combination has very large interblock space, both smaller screen can have been adopted to splice, also large screen splicing can be adopted, both can single screen splice one to one, also can splice by a pair whole screen of M × N, such as various light-emitting diode (lightemitting diode, LED) advertisement screen is shielded, large-size screen monitors can be spliced into by multiple LED smaller screen, these large-size screen monitors be spliced only can play a picture, also different pictures can be play respectively by each smaller screen in these large-size screen monitors.Therefore user needs to control to combination according to different demand.
At present, combination manufacturer all provides combination control and management software for client, and combination control and management software is all generally independent operating.After completing initial configuration (wall pattern and video display matrix etc. are spelled in configuration signal source) by spelling wall control and management software, the typical application scenarios of user is just windowed, is closed the basic operations such as window, movement and resize-window.Along with the raising of the complex control system complexities such as Based Intelligent Control room and smart city, and the convenience of operation and terseness, increasing user's request needs directly to be integrated in existing Based Intelligent Control chamber system by combination controlling functions.Software systems after integrated combination control interface are commonly referred to as combination and control client (lower same).After combination controls client integrated spelling wall controlling functions, there is combination and control client with the inconsistent problem of joined screen system displaying contents.Such as, combination controls client and opens certain window by spelling wall control interface, but spelling wall control software design performs failure, now combination is not really windowed, causes combination to control client inconsistent with combination displaying contents; In addition, combination controls client and opens certain window by combination control interface, but another operation user directly closes this window by control software design misoperation, and now, the content that combination control client shows with combination is also inconsistent; Similarly, combination controls client and does not open window, but now user directly opens window by combination control software design, and now displaying contents is also inconsistent.In addition, combination controls client to be needed to switch between different combination patterns, such as, start most only to need 2x2 to spell wall, the content of showing is video monitoring, and need to be switched to 2x3 afterwards and spell wall, the content of displaying is meeting room, need continuous print close and open window in the process that combination pattern switches, also may cause the situation that displaying contents is inconsistent.Therefore, the method for client and combination displaying contents is controlled at present in the urgent need to a kind of synchronous tiled wall.
Summary of the invention
The object of the invention is to overcome weak point of the prior art, provide one to make each broadcast unit can carry out oneself's adjustment by network, all broadcast units can be unified to play sequential, reaches the combination synchronous display method that millisecond is synchronous.
The object of the invention is to be achieved through the following technical solutions:
A kind of combination synchronous display method, comprises the following steps:
Client upload digital video source is to server end;
Server end carries out software digital decoding segmentation to the digital video source uploaded, and by digital video signal corresponding after segmentation, sends to corresponding broadcasting end;
Play end and download corresponding digital video signal, after each broadcasting end has been downloaded, server end asks for the sequential of the play content playing each broadcast unit of end to user side by networking, and whether the sequential that the play content of each broadcast unit of end is play in inquiry is consistent, if the sequential of each broadcast unit unanimously, continue to play; If sequential is inconsistent, require sequential play faster end slow down play wait for other unit, and/or require sequential slower broadcasting end accelerate broadcasting speed;
While broadcasting, server end continues timing access and inquiry mutually by networking to user side, corrects play content and sequential.
Concrete, described client upload digital video source to the concrete steps of server end is:
Client is installed number and is opened up application client, client opens software by playing the independent play-out end of the Quick Response Code binding broadcast unit on the display module of end, bind successively by rule from top to bottom and from left to right, upload client and want the digital video source play to server end.
Concrete, described client is cell-phone customer terminal.
The present invention has the following advantages and beneficial effect compared to existing technology:
The present invention is mutually accessed by the lasting timing of server end and user side and is inquired, the video needing to play is allowed to be downloaded by application, be stored in the flash of hardware broadcasting part, by the inquiry of every millisecond, the unit making sequential slow replays, synchronous with other broadcast unit, thus the start solving each broadcast unit is asynchronous, or hardware differences problem; It is synchronous that the present invention can realize millisecond, instead of frame synchronization, do not need to utilize physical connection to connect, and only needs network allow and play realization synchronously; Because millisecond is synchronous and the foundation of inquiry mechanism, can allow broadcasting become multiple may, can realize allowing the broadcasting end chosen play any content wanted anywhere or anytime in splicing, and be no longer that one of frame synchronization becomes and all becomes, input signal stops, and splices namely to stop; More and more rapid along with network, millisecond synchronously will obtain higher better development.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet for combination synchronous display method of the present invention;
A kind of structural representation of the combination that Fig. 2 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment
Refer to Fig. 1, Fig. 1 is the schematic flow sheet for combination synchronous display method of the present invention.Combination synchronous display method of the present invention, comprises the following steps:
Client upload digital video source is to server end;
Server end carries out software digital decoding segmentation to the digital video source uploaded, and by digital video signal corresponding after segmentation, sends to corresponding broadcasting end;
Play end and download corresponding digital video signal, after each broadcasting end has been downloaded, server end asks for the sequential of the play content playing each broadcast unit of end to user side by networking, and whether the sequential that the play content of each broadcast unit of end is play in inquiry is consistent, if the sequential of each broadcast unit unanimously, continue to play; If sequential is inconsistent, require sequential play faster end slow down play wait for other unit, and/or require sequential slower broadcasting end accelerate broadcasting speed;
While broadcasting, server end continues timing access and inquiry mutually by networking to user side, corrects play content and sequential.
In the present embodiment, described lasting fixed time interval is mutually accessed and is inquired the mechanism into millisecond inquiry, thus every millisecond can be accomplished to play the video wanting to play.And the mechanism of wireless signal transmission also allows various splicing rule become meaningful.
Concrete, described client upload digital video source to the concrete steps of server end is:
Client is installed number and is opened up application client, client opens software by playing the independent play-out end of the Quick Response Code binding broadcast unit on the display module of end, bind successively by rule from top to bottom and from left to right, upload client and want the digital video source play to server end.
Wherein, described client is cell-phone customer terminal.
For the ease of understanding, with an embody rule scene, the combination control method that the embodiment of the present invention provides is described in detail below.Refer to Fig. 2, a kind of structural representation of the combination that Fig. 2 provides for the embodiment of the present invention:
Cell-phone customer terminal plays the independent play-out end of the Quick Response Code binding broadcast unit of end by 4K*2K display module, server issues binding instruction, broadcast unit is bound, user selectes play content by cell-phone customer terminal, be uploaded to server end, server end sends every block and plays end play content, Android plate (hardware broadcasting part) receives by wifi or network interface the content sent and is stored in 8GB FLASH, when cell-phone customer terminal sends play instruction, the play content of download transferred by S805 processor from FLASH, is placed in DDR and plays after handling well; While broadcasting, whether server end asks for the play content of sequential and each broadcast unit of inquiry broadcasting end playing each broadcast unit play content of end to user side sequential by networking is consistent, if the sequential of each broadcast unit unanimously, continue to play, if sequential is inconsistent, the broadcasting end requiring sequential fast slows down to play and waits for other unit, if sequential is slower, then server requirement is play end and is accelerated broadcasting speed, per secondly time then per all mutually accesses, and corrects play content and sequential.
Server end of the present invention, based on the software programming of the B/S network architecture, only needs the connection of network that client and server backstage can be allowed to carry out the exchange of network; Server end, based on the split screen process of software, is processed by the form of total server end daemon software by client's uploaded videos Software Coding, by a script video signal, is divided into multiple signal, realizes split screen process; Inquired by the millisecond of server end and user side, allow the video needing to play be downloaded by application, be stored in the flash on Android plate (hardware broadcasting part), by the inquiry of every millisecond, the unit making sequential slow replays, synchronous with other broadcast unit.
Above-described embodiment is the present invention's preferably execution mode; but embodiments of the present invention are not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present invention and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (3)
1. a combination synchronous display method, is characterized in that, comprises the following steps:
Client upload digital video source is to server end;
Server end carries out software digital decoding segmentation to the digital video source uploaded, and by digital video signal corresponding after segmentation, sends to corresponding broadcasting end;
Play end and download corresponding digital video signal, after each broadcasting end has been downloaded, server end asks for the sequential of the play content playing each broadcast unit of end to user side by networking, and whether the sequential that the play content of each broadcast unit of end is play in inquiry is consistent, if the sequential of each broadcast unit unanimously, continue to play; If sequential is inconsistent, require sequential play faster end slow down play wait for other unit, and/or require sequential slower broadcasting end accelerate broadcasting speed;
While broadcasting, server end continues timing access and inquiry mutually by networking to user side, corrects play content and sequential.
2. combination synchronous display method according to claim 1, is characterized in that: described client upload digital video source to the concrete steps of server end is:
Client is installed number and is opened up application client, client opens software by playing the independent play-out end of the Quick Response Code binding broadcast unit on the display module of end, bind successively by rule from top to bottom and from left to right, upload client and want the digital video source play to server end.
3. combination synchronous display method according to claim 1, is characterized in that: described client is cell-phone customer terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510309649.6A CN104935996A (en) | 2015-06-09 | 2015-06-09 | Synchronous display method of spliced wall |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510309649.6A CN104935996A (en) | 2015-06-09 | 2015-06-09 | Synchronous display method of spliced wall |
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| CN104935996A true CN104935996A (en) | 2015-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510309649.6A Pending CN104935996A (en) | 2015-06-09 | 2015-06-09 | Synchronous display method of spliced wall |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106131538A (en) * | 2016-06-03 | 2016-11-16 | 深圳市乐得瑞科技有限公司 | A kind of method and device of audio video synchronization |
| CN107343098A (en) * | 2017-06-30 | 2017-11-10 | 西安万像电子科技有限公司 | Display system, method and apparatus, storage medium and processor |
| WO2018024231A1 (en) * | 2016-08-03 | 2018-02-08 | 威创集团股份有限公司 | Method and apparatus for interconnecting spliced wall and mobile intelligent terminal |
| CN108769747A (en) * | 2018-06-21 | 2018-11-06 | 广州市鼎科信息科技有限公司 | It is a kind of to be classified controllable large-size screen monitors cloud interaction systems and interactive approach |
| CN112995726A (en) * | 2019-12-12 | 2021-06-18 | 杭州海康威视数字技术股份有限公司 | Display system, hot standby switching method and video control device |
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| CN101674364A (en) * | 2009-09-28 | 2010-03-17 | 深圳华为通信技术有限公司 | Wireless screen splicing display method, mobile communication terminal and device |
| CN201887871U (en) * | 2010-12-24 | 2011-06-29 | 苏州创捷传媒展览有限公司 | Control system for large screen projection display |
| CN103065610A (en) * | 2013-01-08 | 2013-04-24 | 北京淳中视讯科技有限公司 | Split joint screen synchronous disposal method and split joint screen synchronous disposal device |
| CN103677719A (en) * | 2013-12-24 | 2014-03-26 | 广东威创视讯科技股份有限公司 | Spliced wall display method |
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2015
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| EP0987904A2 (en) * | 1998-08-31 | 2000-03-22 | Lucent Technologies Inc. | Method and apparatus for adaptive synchronization of digital video and audio playback |
| CN101674364A (en) * | 2009-09-28 | 2010-03-17 | 深圳华为通信技术有限公司 | Wireless screen splicing display method, mobile communication terminal and device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106131538A (en) * | 2016-06-03 | 2016-11-16 | 深圳市乐得瑞科技有限公司 | A kind of method and device of audio video synchronization |
| CN106131538B (en) * | 2016-06-03 | 2018-06-26 | 深圳市乐得瑞科技有限公司 | A kind of method and device of audio video synchronization |
| WO2018024231A1 (en) * | 2016-08-03 | 2018-02-08 | 威创集团股份有限公司 | Method and apparatus for interconnecting spliced wall and mobile intelligent terminal |
| CN107343098A (en) * | 2017-06-30 | 2017-11-10 | 西安万像电子科技有限公司 | Display system, method and apparatus, storage medium and processor |
| CN108769747A (en) * | 2018-06-21 | 2018-11-06 | 广州市鼎科信息科技有限公司 | It is a kind of to be classified controllable large-size screen monitors cloud interaction systems and interactive approach |
| CN108769747B (en) * | 2018-06-21 | 2020-12-08 | 广州市鼎科信息科技有限公司 | Hierarchical controllable large-screen cloud interaction system and interaction method |
| CN112995726A (en) * | 2019-12-12 | 2021-06-18 | 杭州海康威视数字技术股份有限公司 | Display system, hot standby switching method and video control device |
| CN112995726B (en) * | 2019-12-12 | 2022-09-30 | 杭州海康威视数字技术股份有限公司 | Display system, hot standby switching method and video control device |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150923 |
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| WD01 | Invention patent application deemed withdrawn after publication |