CN104581189A - Multi-screen controlling method and system - Google Patents
Multi-screen controlling method and system Download PDFInfo
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- CN104581189A CN104581189A CN201410849057.9A CN201410849057A CN104581189A CN 104581189 A CN104581189 A CN 104581189A CN 201410849057 A CN201410849057 A CN 201410849057A CN 104581189 A CN104581189 A CN 104581189A
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000004891 communication Methods 0.000 claims abstract description 8
- 230000004044 response Effects 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
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Classifications
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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
- H04N21/232—Content retrieval operation locally within server, e.g. reading video streams from disk arrays
- H04N21/2326—Scheduling disk or memory reading operations
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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
- H04N21/231—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion
- H04N21/23103—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion using load balancing strategies, e.g. by placing or distributing content on different disks, different memories or different servers
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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
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/23406—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving management of server-side video buffer
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Information Transfer Between Computers (AREA)
Abstract
The invention relates to the technical field of communications, and discloses a multi-screen controlling method and system. The multi-screen controlling method comprises the following steps that all display terminals acquire the system time of a central server; the local time of all the display terminals is adjusted to the system time of the central server according to the acquired system time of the central server; all the display terminals play playing content in playing information at preset playing time according to the adjusted local time; the playing information includes the playing content and playing time, and is acquired from the central server. Therefore, multiple screens can be precisely controlled, and multi-screen synchronization can be achieved.
Description
Technical field
The present invention relates to the communication technology, particularly a kind of multi-screen control method and system.
Background technology
At present, in road both sides, on the wall particularly in subway station, being often dispersed with several electric advertisement screen, is separate between these advertisement screens, plays static advertisement picture or dynamic video separately.And each self-contained independently controller of these advertisement screens, memory, need the content play to be stored in the memory in this advertisement screen, according to pre-configured instruction, loop play dynamic video or advertisement picture.
That is, for existing advertisement screen, play identical video to realize close two or more screens, then need to store identical play content at the memory of each advertisement screen inside.But the clock information due to each advertisement screen is separate, the content synchronization being therefore difficult to realize multiple advertisement screen is play.
Current existing a kind of scheme is that each advertisement screen is configured with communication module, needs the content play to be transferred to each advertisement screen by central server, and controls the synchronous broadcasting of each advertisement screen by the mode of instruction.
But the present inventor finds, current technical scheme cannot realize the accurate control to multiple screen, and really realize multi-screen synchronous, reason is:
There is network delay in the transmission of instruction, especially when each advertisement screen is across local area network (LAN), because network environment is complicated, even if send instruction simultaneously, two screens receive the network delay of instruction but may not be identical, so be difficult to realize accurate control to advertisement screen, thus cause the picture play between advertisement screen asynchronous.
Summary of the invention
The object of the present invention is to provide a kind of multi-screen control method and system, accurately can control multiple screen, realize multi-screen synchronous.
For solving the problems of the technologies described above, embodiments of the present invention provide a kind of multi-screen control method, comprise following steps:
Each display terminal obtains the system time of central server;
Respective local zone time, according to the system time of the central server obtained, is adjusted to the system time of described central server by each display terminal;
Each display terminal, according to the local zone time after each self-adjusting, to the play content in broadcast information, is play at predetermined reproduction time; Wherein, described broadcast information comprises play content and reproduction time, and described broadcast information obtains from described central server.
Embodiments of the present invention additionally provide a kind of multi-screen control system, comprise: central server and several display terminals;
Central server, for sending each broadcast information to corresponding display terminal; Wherein, described broadcast information comprises play content and reproduction time;
Display terminal, for the system time according to the central server obtained, respective local zone time is adjusted to the system time of central server, and according to the local zone time after each self-adjusting, to the play content in broadcast information, play at predetermined reproduction time.
In terms of existing technologies, each display terminal by keeping synchronous with central server, and keeps synchronous relation between reaching separately to embodiment of the present invention, thus reaches the object of play content being carried out to synchronous broadcasting.Specifically, each display terminal is the system time by respective local zone time being all adjusted to central server, and keeps synchronous with central server.Like this, by selecting same reference time, adjusting the local zone time of each screen terminal, accurately can control multiple screen, realizing multi-screen synchronous.
In addition, obtain in the step of the system time of central server at described each display terminal, comprise following sub-step: each display terminal sends acquisition instruction respectively to described central server; Described central server sends corresponding response message according to each acquisition instruction received; Wherein, described response message comprises the system time of described central server; At the system time of described each display terminal according to the central server obtained, respective local zone time is adjusted in the step of the system time of described central server, the system time of the central server of reception adds separately relative to the time of delay of central server by each display terminal, as the local zone time after each self-adjusting; Wherein, described time of delay is the time between display terminal and described central server needed for single information transmission.
In addition, the play content of each display terminal is a part for same play content, and is continuous print according to each play content of the sequential arrangement of each display terminal.That is, each display terminal can play a part for same play content at different time according to the order of each display terminal, and the picture that namely each display terminal is play by default sequential is continuous print in time, achieves dynamic displaying, like this, the mode of display screen display frame can be enriched.
In addition, each broadcast information is a task list; Wherein, the reproduction time of several play content and correspondence is comprised in this task list.In addition, at described each display terminal according to the local zone time after each self-adjusting, to the play content in broadcast information, carry out the step play at predetermined reproduction time before or afterwards, also comprise following steps: central server checks the running status of each display terminal, and resend each broadcast information to the normal display terminal of state according to check result; Wherein, described running status comprises the state of communications status and task list.Before each display terminal is play play content or afterwards the running status of display terminal is checked, can Timeliness coverage dealing with problems, ensure that each display terminal can normal work without any confusion.
In addition, obtain in the step of the system time of central server at described each display terminal, periodically obtain the system time of described central server; At the system time of described each display terminal according to the central server obtained, respective local zone time is adjusted in the step of the system time of described central server, when getting the system time of central server each time, all respective local zone time is adjusted to the system time of central server.Like this, the clock speed of each display terminal can be avoided inconsistent, after time difference of the system time of adjusted local zone time and central server is increasing, adjusted local zone time becomes again inaccurate.
Accompanying drawing explanation
Fig. 1 is the multi-screen control method schematic flow sheet according to first embodiment of the invention;
Fig. 2 is the picture view according to certain moment display terminal 1 display in first embodiment of the invention;
Fig. 3 is the multi-screen control method schematic flow sheet according to second embodiment of the invention;
Fig. 4 is the picture view shown with display terminal 2 according to certain moment display terminal 1 in second embodiment of the invention;
Fig. 5 is the picture view shown according to previous moment display terminal 1 in third embodiment of the invention;
Fig. 6 is the picture view shown according to a moment display terminal 2 rear in third embodiment of the invention;
Fig. 7 is the multi-screen Control system architecture schematic diagram according to four embodiment of the invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the embodiments of the present invention are explained in detail.But, persons of ordinary skill in the art may appreciate that in each execution mode of the present invention, proposing many ins and outs to make reader understand the application better.But, even without these ins and outs with based on the many variations of following execution mode and amendment, each claim of the application technical scheme required for protection also can be realized.
First execution mode of the present invention relates to a kind of multi-screen control method, and idiographic flow as shown in Figure 1, comprises following steps:
Step 101, sends identical broadcast information to each display terminal by central server.Wherein, display terminal comprises screen and controller; Broadcast information comprises play content and reproduction time, and play content and reproduction time one_to_one corresponding, the system time of server centered by this reproduction time.Sending the same broadcast information to each display terminal, is to ensure that display terminal is identical in the content that the identical time plays.Wherein, play content can be the filename of a played file or the acquisition address of Streaming Media.In the present embodiment, play content is the filename of a played file.
In the present embodiment, comprise N number of display terminal (display terminal 1, display terminal 2 ..., display terminal N).Central server sends 1 broadcast information respectively to N number of display terminal.And each broadcast information is a task list; Wherein, comprise the reproduction time of several play content and correspondence in this task list, such as, the broadcast information being sent to display terminal 1 can be the task list shown in table 1.In the present embodiment, N number of broadcast information is identical, and namely, N number of task list is identical, is table 1.It should be noted that, the time in task list is the system time of central server.
Table 1
| Filename | Reproduction time |
| File_1.avi | 09:00 |
| File_2.avi | 12:00 |
| …… | …… |
| File_N.avi | 18:00 |
Step 102, each display terminal obtains the system time of central server.Specifically, in this step, following sub-step is comprised:
Step 1021, each display terminal sends acquisition instruction respectively to central server.Wherein, obtaining instruction is the system time asking for central server to central server.Be illustrated for display terminal 1 below: sending when local zone time is 07:55 of display terminal 1 confirms instruction 1.
Step 1022, central server sends corresponding response message according to each acquisition instruction received.Wherein, response message comprises the system time of central server.Such as, suppose that central server receives the confirmation instruction 1 of display terminal 1 transmission at local zone time 08:00:05, and send response message 1 to display terminal 1 immediately.Wherein, response message 1 comprises the system time (08:00:05) of central server, and display terminal 1 is relative to being 5 seconds (namely duration is 00:00:05) time of delay of central server.
Wherein, time of delay is the time between display terminal and central server needed for single information transmission, namely, display terminal, relative to being the time of delay of central server that display terminal sends a file to central server time used, obtains by test.Obtain by test the technology that time of delay is existing maturation, do not repeat them here.
It should be noted that, the triggered time of step 102 is hard-core, can periodically, also can manual control, not necessarily receives playing task and triggers.In the scheme of system time periodically obtaining central server, respective local zone time, when getting the system time of central server each time, is all adjusted to the system time of central server by each display terminal.Like this, after the system time of each display terminal and central server difference can be avoided increasing, adjusted reproduction time becomes inaccurate.
Step 103, respective local zone time, according to the system time of the central server obtained, is adjusted to the system time of central server by each display terminal.Specifically, in this step, the system time of the central server of reception adds separately relative to the time of delay of central server by each display terminal, as the local zone time after each self-adjusting.Such as, display terminal 1 is by the system time (08:00:05) of the central server of reception, add its time of delay relative to central server (00:00:05), i.e. 08:00:10, be adjusted to local zone time, in other words, exactly local zone time be adjusted to the system time (08:00:10) of central server, because when display terminal 1 receives the response message 1 of central server, the system time of central server is 08:00:10.The method of all the other each display terminal adjustment local zone times is similar to display terminal 1, and this is no longer going to repeat them.
Step 104, each display terminal loads play content according to the broadcast information received, in order to playing.Such as, the played file File_1.avi shown in the equal load table 1 of each display terminal, File_2.avi ..., File_N.avi.
Step 105, central server checks the running status of each display terminal, and resends each broadcast information to the normal display terminal of running status according to check result.Wherein, running status comprises the state of communications status and task list.
In this step, central server checks the content of the communications status of each display terminal with the task list received, if any one of display terminal occurs abnormal, just no longer send the display terminal of broadcast information to running status exception, and resend each broadcast information to the normal display terminal of running status.Such as, if exception occurs display terminal 1, then table 1 is not sent to display terminal 1, and table 1 is sent to other display terminals respectively.
It should be noted that, this step can also perform after the step 106, equally can Timeliness coverage dealing with problems, and ensures that each display terminal can normal work without any confusion.
Step 106, each screen, under the control of respective controller, according to the local zone time after each self-adjusting, to the play content in broadcast information, is play at predetermined reproduction time.Wherein, played file is multimedia file.Such as, the content of File_1.avi is a football match, at a time (when the system time of central server is 09:05), the picture that display terminal 1 shows as shown in Figure 2, so in this moment, all the other all display terminals all show picture as shown in Figure 2, namely achieve the synchronous broadcasting of multi-screen.
Compared with prior art, respective local zone time for benchmark, is all adjusted to the system time of central server with the system time of central server by each display terminal.Like this, by selecting same reference time, accurately can control multiple screen, realizing multi-screen synchronous.
Second execution mode of the present invention relates to a kind of multi-screen control method, specifically as shown in Figure 3.Second execution mode is roughly the same with the first execution mode, and main distinction part is: in the first embodiment, and central server sends identical broadcast information to each display terminal, and each display terminal is consistent at the picture that synchronization shows.And in second embodiment of the invention, the reproduction time in each broadcast information is identical, the play content of each display terminal is a part for same play content, and according to each display terminal each play content of sequential arrangement be continuous print.Like this, each display terminal synchronously plays the different piece of same content according to preset order, has enriched the mode of display screen display frame.
Specifically, in the present embodiment, following steps are comprised:
Step 301, each broadcast information is sent to corresponding display terminal by central server respectively.For ease of understanding, be illustrated below: such as, first video file File_1.avi is divided into N part (File_11.avi, File_12.avi ..., File_1N.avi), and File_11.avi, File_12.avi ..., File_1N.avi is arranged in order, content is spatially continuous print, when namely playing at one time, File_11.avi, File_12.avi ..., File_1N.avi display picture form a continuous and complete picture.The reproduction time (broadcast information) of each play content and correspondence is sent to N number of display terminal be arranged in order according to above-mentioned order by central server respectively, and wherein, the reproduction time of each played file is identical.
Step 302, each display terminal obtains the system time of central server.This step is similar to the step 102 in the first execution mode, does not repeat them here.
Step 303, respective local zone time, according to the system time of the central server obtained, is adjusted to the system time of central server by each display terminal.This step is similar to the step 103 in the first execution mode, does not repeat them here.
Step 304, each display terminal loads play content according to the broadcast information received, in order to playing.Such as, display terminal 1 load played file File_11.avi, display terminal 2 load played file File_2.avi ..., display terminal N loads played file File_N.avi.
Step 305, central server checks the running status of each display terminal, and resends each broadcast information to the normal display terminal of running status according to check result.Such as, if there is exception in display terminal 1, then played file File_11.avi is not sent to display terminal 1, and played file File_11.avi is sent to display terminal 2, played file File_12.avi is sent to display terminal 3 ..., played file File_1N.avi is sent to display terminal N+1, wherein, display terminal N+1 is display terminal for subsequent use.
Step 306, each screen, under the control of respective controller, according to the local zone time after each self-adjusting, to the play content in broadcast information, is play at predetermined reproduction time.Such as, suppose to adopt 2 display terminal playing video file File_1.avi in present embodiment, so when the system time of central server is 09:05, the picture that display terminal 1 and display terminal 2 show as shown in Figure 4, display terminal 1 and display terminal 2 synchronously play the different piece of File_1.avi according to order, achieve the synchronous broadcasting of multi-screen, enrich the mode of display screen display frame.
3rd execution mode of the present invention relates to a kind of multi-screen control method.3rd execution mode is roughly the same with the second execution mode, main distinction part is: in this second embodiment, and the reproduction time in each broadcast information is identical, at synchronization, the picture that each display terminal is play is spatially continuous print, has enriched the mode of display screen display frame.And in third embodiment of the invention, at synchronization, the picture that each display terminal is play is different, but be continuous print in time, achieve Dynamic Announce, enriched the mode of display screen display frame further.
Specifically, in the present embodiment, comprise step 401 ~ 406, wherein, step 402 ~ 405 are similar respectively to step 302 ~ 305 in the second execution mode respectively, do not repeat them here.Mainly introduce difference below:
Step 401, each broadcast information is sent to corresponding display terminal by central server respectively.For ease of understanding, be illustrated below: such as, first video file File_1.avi is divided into N part (File_11.avi, File_12.avi ..., File_1N.avi), and File_11.avi, File_12.avi ..., the image content play successively of File_1N.avi is continuous print in time, when namely playing successively, File_11.avi, File_12.avi ..., File_1N.avi display picture be continuous print.The reproduction time (broadcast information) of each play content and correspondence is sent to N number of display terminal be arranged in order according to above-mentioned order by central server respectively, wherein, each broadcast information (broadcast information 1, broadcast information 2 ..., broadcast information N) in reproduction time be arranged as one preset sequential, such as, can be as shown in table 2, but be not limited thereto.
Step 406, each screen, under the control of respective controller, according to the local zone time after each self-adjusting, to the play content in broadcast information, is play at predetermined reproduction time.Such as, suppose to adopt 2 display terminal playing video file File_1.avi in present embodiment, so when the system time of central server is 09:04:59, the picture that display terminal 1 shows as shown in Figure 5, when the system time of central server is 09:05, the picture that display terminal 2 shows as shown in Figure 6, the different piece of File_1.avi play by display terminal 1 and display terminal 2 according to the order of time order and function, achieve the Dynamic Announce of multi-screen, enrich the mode of display screen display frame further.
Table 2
| Broadcast information | Filename | Reproduction time |
| Broadcast information 1 | File_11.avi | 09:00:00 |
| Broadcast information 2 | File_12.avi | 09:00:01 |
| …… | …… | …… |
| Broadcast information N | File_1N.avi | 09:00:00+(N-1)*(00：00:01) |
The step of various method divides above, just in order to be described clearly, can merge into a step or splitting some step, being decomposed into multiple step, when realizing as long as comprise identical logical relation, all in the protection range of this patent; To adding inessential amendment in algorithm or in flow process or introducing inessential design, but the core design not changing its algorithm and flow process is all in the protection range of this patent.
Four embodiment of the invention relates to a kind of multi-screen control system, as shown in Figure 7, comprises: central server and several display terminals.
Central server, for sending each broadcast information to corresponding display terminal; Wherein, display terminal comprises screen (not shown) and controller (not shown); Broadcast information comprises play content and reproduction time, the system time of server centered by this reproduction time.Wherein, play content is the filename of a played file or the acquisition address of Streaming Media.
Display terminal, for the system time according to the central server obtained, respective local zone time is adjusted to the system time of central server, and according to the local zone time after each self-adjusting, to the play content in broadcast information, play at predetermined reproduction time.
Wherein, controller comprises: obtain instruction sending module (not shown) and time regulating module (not shown).
Obtain instruction sending module, for sending acquisition instruction to central server.
Central server also sends corresponding response message according to each acquisition instruction received; Wherein, response message comprises the system time of central server.
Time regulating module, the system time for the central server by reception adds separately relative to the time of delay of central server, as the local zone time after each self-adjusting; Wherein, time of delay is the time between display terminal and central server needed for single information transmission.
In the present embodiment, each broadcast information is a task list; Wherein, the reproduction time of several play content and correspondence is comprised in this task list.Central server also for checking the running status of each display terminal, and resends each broadcast information to the normal display terminal of state according to check result; Wherein, running status comprises the state of communications status and task list.
Be not difficult to find, present embodiment is the system embodiment corresponding with first, second and third execution mode, and present embodiment can be worked in coordination with first, second and third execution mode and be implemented.The relevant technical details mentioned in first, second and third execution mode is still effective in the present embodiment, in order to reduce repetition, repeats no more here.Correspondingly, the relevant technical details mentioned in present embodiment also can be applicable in first, second and third execution mode.
It should be noted that; the numeral enumerated in the respective embodiments described above just problem for convenience of explanation, must adopt when not representing practical application, can not think limitation of the present invention; as long as without departing from the spirit and scope of the present invention, all within protection scope of the present invention.
Persons of ordinary skill in the art may appreciate that the respective embodiments described above realize section Example of the present invention, and in actual applications, various change can be done to it in the form and details, and without departing from the spirit and scope of the present invention.
Claims (10)
1. a multi-screen control method, is characterized in that, comprises following steps:
Each display terminal obtains the system time of central server;
Respective local zone time, according to the system time of the central server obtained, is adjusted to the system time of described central server by each display terminal;
Each display terminal, according to the local zone time after each self-adjusting, to the play content in broadcast information, is play at predetermined reproduction time; Wherein, described broadcast information comprises play content and reproduction time, and described broadcast information obtains from described central server.
2. multi-screen control method according to claim 1, is characterized in that, obtains in the step of the system time of central server, comprise following sub-step at described each display terminal:
Each display terminal sends acquisition instruction respectively to described central server;
Described central server sends corresponding response message according to each acquisition instruction received; Wherein, described response message comprises the system time of described central server;
At the system time of described each display terminal according to the central server obtained, respective local zone time is adjusted in the step of the system time of described central server,
The system time of the central server of reception adds separately relative to the time of delay of central server by each display terminal, as the local zone time after each self-adjusting; Wherein, described time of delay is the time between display terminal and described central server needed for single information transmission.
3. multi-screen control method according to claim 1, is characterized in that, at described each display terminal according to the local zone time after each self-adjusting, to the play content in broadcast information, before carrying out the step play, comprises following steps at predetermined reproduction time:
Each display terminal loads play content according to the broadcast information obtained.
4. multi-screen control method according to claim 1, is characterized in that, the play content of each display terminal is a part for same play content, and is continuous print according to each play content of the sequential arrangement of each display terminal.
5. multi-screen control method according to claim 1, is characterized in that, each broadcast information is a task list;
Wherein, the reproduction time of several play content and correspondence is comprised in this task list.
6. multi-screen control method according to claim 5, it is characterized in that, at described each display terminal according to the local zone time after each self-adjusting, to the play content in broadcast information, carry out the step play at predetermined reproduction time before or afterwards, also following steps are comprised:
Central server checks the running status of each display terminal, and resends each broadcast information to the normal display terminal of state according to check result;
Wherein, described running status comprises the state of communications status and task list.
7. multi-screen control method according to claim 5, is characterized in that, obtains in the step of the system time of central server at described each display terminal,
Periodically obtain the system time of described central server;
At the system time of described each display terminal according to the central server obtained, respective local zone time is adjusted in the step of the system time of described central server,
When getting the system time of central server each time, all respective local zone time is adjusted to the system time of central server.
8. multi-screen control method according to claim 1, is characterized in that, described play content is the filename of a played file or the acquisition address of Streaming Media.
9. a multi-screen control system, is characterized in that, comprises: central server and several display terminals;
Central server, for sending each broadcast information to corresponding display terminal; Wherein, described broadcast information comprises play content and reproduction time;
Display terminal, for the system time according to the central server obtained, respective local zone time is adjusted to the system time of central server, and according to the local zone time after each self-adjusting, to the play content in broadcast information, play at predetermined reproduction time.
10. multi-screen control system according to claim 9, is characterized in that, described display terminal comprises controller, and this controller comprises: obtain instruction sending module and time regulating module;
Described acquisition instruction sending module, for sending acquisition instruction to central server;
Described central server sends corresponding response message according to each acquisition instruction received; Wherein, described response message comprises the system time of described central server;
Described time regulating module, the system time for the central server by reception adds separately relative to the time of delay of central server, as the local zone time after each self-adjusting; Wherein, described time of delay is the time between display terminal and described central server needed for single information transmission.
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105243964A (en) * | 2015-11-23 | 2016-01-13 | 成都市嘉艺文化传播有限公司 | Advertisement box capable of being automatically adjusted |
| CN105516777A (en) * | 2015-12-14 | 2016-04-20 | 广东欧珀移动通信有限公司 | Synchronizing method and device between media streams |
| CN105657511A (en) * | 2015-12-29 | 2016-06-08 | 广州视源电子科技股份有限公司 | Image synchronous display method and device |
| CN106060580A (en) * | 2016-06-08 | 2016-10-26 | 浙江宇视科技有限公司 | Synchronous image display method and device |
| CN106604065A (en) * | 2016-12-30 | 2017-04-26 | 中广热点云科技有限公司 | System and method for realizing multi-screen video playing in same screen |
| CN107438073A (en) * | 2017-08-07 | 2017-12-05 | 上海碧虎网络科技有限公司 | A kind of picture synchronous display system |
| CN108289232A (en) * | 2018-01-26 | 2018-07-17 | 广东欧珀移动通信有限公司 | A kind of control method of playback equipment, terminal device and storage medium |
| CN108924602A (en) * | 2018-06-21 | 2018-11-30 | 广州市鼎科信息科技有限公司 | A kind of sane level multichannel large-size screen monitors cloud interaction systems and interactive approach |
| CN110611838A (en) * | 2019-09-09 | 2019-12-24 | 中国联合网络通信集团有限公司 | Multi-screen playing method, device and system |
| CN111026595A (en) * | 2019-12-16 | 2020-04-17 | 威创集团股份有限公司 | Multi-screen system synchronous display testing method, device and equipment |
| CN112565855A (en) * | 2020-12-04 | 2021-03-26 | 禾麦科技开发（深圳）有限公司 | Method for realizing synchronous playing of multimedia display terminal |
| CN112954417A (en) * | 2021-02-01 | 2021-06-11 | 禾麦科技开发（深圳）有限公司 | Method for realizing synchronous playing and seamless material switching of multiple terminal devices |
| CN113365128A (en) * | 2021-06-02 | 2021-09-07 | 佛山市青松科技股份有限公司 | Multi-LED display screen synchronous playing method and system and LED display equipment |
| CN113424551A (en) * | 2019-12-31 | 2021-09-21 | 西安诺瓦星云科技股份有限公司 | Playing method, device and system and computer readable storage medium |
| CN113589883A (en) * | 2021-05-19 | 2021-11-02 | 浙江大华技术股份有限公司 | Signal adjusting method, electronic device, and computer storage medium |
| CN114245186A (en) * | 2021-12-15 | 2022-03-25 | 咪咕音乐有限公司 | Control method, device and equipment for multi-screen cooperative playing and readable storage medium |
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| CN105243964A (en) * | 2015-11-23 | 2016-01-13 | 成都市嘉艺文化传播有限公司 | Advertisement box capable of being automatically adjusted |
| CN105516777B (en) * | 2015-12-14 | 2017-10-17 | 广东欧珀移动通信有限公司 | Synchronous method and apparatus between a kind of Media Stream |
| CN105516777A (en) * | 2015-12-14 | 2016-04-20 | 广东欧珀移动通信有限公司 | Synchronizing method and device between media streams |
| CN105657511A (en) * | 2015-12-29 | 2016-06-08 | 广州视源电子科技股份有限公司 | Image synchronous display method and device |
| CN106060580B (en) * | 2016-06-08 | 2019-06-11 | 浙江宇视科技有限公司 | Image synchronous display method and device |
| CN106060580A (en) * | 2016-06-08 | 2016-10-26 | 浙江宇视科技有限公司 | Synchronous image display method and device |
| CN106604065A (en) * | 2016-12-30 | 2017-04-26 | 中广热点云科技有限公司 | System and method for realizing multi-screen video playing in same screen |
| CN106604065B (en) * | 2016-12-30 | 2019-10-25 | 中广热点云科技有限公司 | A kind of system and method realized multi-screen and play video with screen |
| CN107438073A (en) * | 2017-08-07 | 2017-12-05 | 上海碧虎网络科技有限公司 | A kind of picture synchronous display system |
| CN108289232A (en) * | 2018-01-26 | 2018-07-17 | 广东欧珀移动通信有限公司 | A kind of control method of playback equipment, terminal device and storage medium |
| CN108924602A (en) * | 2018-06-21 | 2018-11-30 | 广州市鼎科信息科技有限公司 | A kind of sane level multichannel large-size screen monitors cloud interaction systems and interactive approach |
| CN108924602B (en) * | 2018-06-21 | 2020-12-04 | 广州市鼎科信息科技有限公司 | Flat-level multi-channel large-screen cloud interaction system and interaction method |
| CN110611838A (en) * | 2019-09-09 | 2019-12-24 | 中国联合网络通信集团有限公司 | Multi-screen playing method, device and system |
| CN111026595A (en) * | 2019-12-16 | 2020-04-17 | 威创集团股份有限公司 | Multi-screen system synchronous display testing method, device and equipment |
| WO2021121431A1 (en) * | 2019-12-16 | 2021-06-24 | 威创集团股份有限公司 | Method, device and apparatus for testing synchronous display of multi-screen system |
| CN111026595B (en) * | 2019-12-16 | 2021-07-16 | 威创集团股份有限公司 | Multi-screen system synchronous display testing method, device and equipment |
| CN113424551A (en) * | 2019-12-31 | 2021-09-21 | 西安诺瓦星云科技股份有限公司 | Playing method, device and system and computer readable storage medium |
| CN113424551B (en) * | 2019-12-31 | 2024-02-06 | 西安诺瓦星云科技股份有限公司 | Playing method, device and system and computer readable storage medium |
| CN112565855A (en) * | 2020-12-04 | 2021-03-26 | 禾麦科技开发（深圳）有限公司 | Method for realizing synchronous playing of multimedia display terminal |
| CN112954417A (en) * | 2021-02-01 | 2021-06-11 | 禾麦科技开发（深圳）有限公司 | Method for realizing synchronous playing and seamless material switching of multiple terminal devices |
| CN113589883A (en) * | 2021-05-19 | 2021-11-02 | 浙江大华技术股份有限公司 | Signal adjusting method, electronic device, and computer storage medium |
| CN113589883B (en) * | 2021-05-19 | 2024-04-19 | 浙江大华技术股份有限公司 | Signal adjustment method, electronic device, and computer storage medium |
| CN113365128A (en) * | 2021-06-02 | 2021-09-07 | 佛山市青松科技股份有限公司 | Multi-LED display screen synchronous playing method and system and LED display equipment |
| CN114245186A (en) * | 2021-12-15 | 2022-03-25 | 咪咕音乐有限公司 | Control method, device and equipment for multi-screen cooperative playing and readable storage medium |
| CN114245186B (en) * | 2021-12-15 | 2024-01-30 | 咪咕音乐有限公司 | Control method, device and equipment for multi-screen collaborative playing and readable storage medium |
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