CN110012240A - A kind of signal source switch method, system, storage medium and control host - Google Patents
A kind of signal source switch method, system, storage medium and control host Download PDFInfo
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- CN110012240A CN110012240A CN201910399669.5A CN201910399669A CN110012240A CN 110012240 A CN110012240 A CN 110012240A CN 201910399669 A CN201910399669 A CN 201910399669A CN 110012240 A CN110012240 A CN 110012240A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
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Abstract
The invention discloses a kind of signal source switch method system, storage medium and control hosts, which comprises determines that the signal transmission of the signals transmission of each signal source is time-consuming；It is transmitted the time-consuming switching time for determining each signal source using the signal of each signal source, the switching time of each signal source is identical as the sum of corresponding signal transmission time-consuming；The signal source switching command that each signal source is successively sent according to the switching time of each signal source makes splicing display device switch corresponding signal source in each switching time.The application determines that the signal transmission of each signal source is time-consuming and transmits the time-consuming switching time for determining each signal source according to the signal of each signal source first, the sum of signal transmission time-consuming and the switching time for making each signal source are identical, it is identical to make the signal of each signal source reach the time that display unit is shown, therefore can with when entire picture show the problem for unanimously avoiding visual display effect poor.
Description
Technical field
The present invention relates to image display technology fields, more specifically to a kind of signal source applied to control host
Switching method, system, computer readable storage medium, a kind of control host, a kind of signal source applied to splicing display device
Switching method.
Background technique
In ultra-large splicing display device, it usually needs show hundreds and thousands of road signal sources, different signals is past
Toward the signal source specified by the selection of the switching equipment such as various matrixes is needed, in synchronization, splicing display device can be shown
Signal source number be limited, it is therefore desirable to multiple display patterns are set, reaches and is switched fast not by switching display pattern
The purpose that same signal source is shown.
When carrying out pattern switching, it usually needs window shown by splicing display device under present mode is all clear
Sky, then correspond to multipath signal source acquisition signal from next mode and shown.But in switching, the signal of each signal source is aobvious
The speed faster or slower shown, this has been resulted in pattern switching, and the screen switching of entire splicing display device is inconsistent, is caused
Visual display effect is poor.
Therefore, splicing display device shows that picture is consistent when how to realize switch mode, is those skilled in the art's needs
It solves the problems, such as.
Summary of the invention
The purpose of the present invention is to provide a kind of signal source switch method, system, computers applied to control host can
Storage medium, a kind of control host, a kind of signal source switch method applied to splicing display device are read, to solve the prior art
In in pattern switching, the screen switching of entire splicing display device is inconsistent, the problem for causing visual display effect poor.
To achieve the above object, the embodiment of the invention provides following technical solutions:
A kind of signal source switch method is applied to control host, comprising:
Determine that the signal transmission of the signals transmission of each signal source is time-consuming；
The time-consuming switching time for determining each signal source, each signal are transmitted using the signal of each signal source
The switching time in source is identical as the sum of the corresponding signal transmission time-consuming；
The signal source switching command of each signal source is successively sent according to the switching time of each signal source, with
Splicing display device is set to switch the corresponding signal source in each switching time.
Optionally, the signal of the signals transmission of each signal source of the determination transmits time-consuming, comprising:
Time-consuming table, which is transmitted, using the signal of the predetermined correspondence splicing display device determines each signal source
Signals transmission signal transmit it is time-consuming.
Optionally, the switching time according to each signal source successively sends the signal source of each signal source
Before switching command, further includes:
Signal-off instruction is sent to the splicing display device, the signal-off instruction is for making the tiled display
Device keeps the last frame picture of all signals of present mode and discharges the signal path that all signals of present mode occupy
Channel.
Optionally, the transmission signal-off instruction is for making the splicing display device by the last frame of present mode
Picture is saved to local cache, display caching picture, and the signal path channel that all signals for discharging present mode occupy.
Present invention also provides a kind of signal source switching systems, are applied to control host, comprising:
Signal transmits time-consuming determining module, for determining that the signal transmission of signals transmission of each signal source is time-consuming；
Switching time determining module transmits time-consuming determining each signal source for the signal using each signal source
Switching time, the switching time of each signal source are identical as the sum of the corresponding signal transmission time-consuming；
Switching command sending module, for successively sending each signal according to the switching time of each signal source
The signal source switching command in source, so that splicing display device switches the corresponding signal source in each switching time.
Present invention also provides a kind of control hosts, comprising:
Memory, for storing computer program；
Processor is realized as described in any one when for executing the computer program the step of signal source switch method.
Present invention also provides a kind of signal source switch methods, are applied to splicing display device, comprising:
Successively receive the signal source switching command of each signal source；
Successively switch and each signal source according to the time for the signal source switching command for receiving each signal source
The corresponding signal source of switching command.
Optionally, the time according to the signal source switching command for receiving each signal source successively switch with each
The corresponding signal source of the signal source switching command, comprising:
Obtain the idle signal outlet openings not occupied by the signal of present mode in the splicing display device；
The signal of each signal source is successively loaded according to the time for the signal source switching command for receiving each signal source
To the different idle signal outlet openings.
Optionally, before the signal source switching command for successively receiving each signal source, further includes:
Receive the instruction in the signal path channel of all signals occupancy of release present mode；
It keeps the last frame picture of all signals of present mode and the signal path for discharging all signals of present mode is logical
Road.
Optionally, the last frame picture for keeping all signals of present mode, comprising:
The last frame picture of present mode is saved to local cache and display caching picture.
By above scheme it is found that a kind of signal source switch method provided by the invention, is applied to control host, comprising:
Determine that the signal transmission of the signals transmission of each signal source is time-consuming；It is transmitted using the signal of each signal source time-consuming true
The switching time of fixed each signal source, the switching time of each signal source transmit time-consuming with the corresponding signal
With it is identical；The signal source switching command of each signal source is successively sent according to the switching time of each signal source, with
Splicing display device is set to switch the corresponding signal source in each switching time.
It can be seen that a kind of signal source switch method provided by the present application, it is first determined the signal of each signal source transmits
Time-consuming, and the time-consuming switching time for determining each signal source is transmitted according to the signal of each signal source, make the letter of each signal source
Number transmission is time-consuming and the sum of corresponding switching time be all it is identical, finally sent according still further to switching time each after switching command
It is all identical that the signal of signal source reaches the time that display unit is shown, thus can with when entire picture show unanimously, avoid
The poor problem of visual display effect.The application also provides a kind of signal source switching system, device, computer-readable storage medium
Matter, the method applied to splicing display device, may be implemented said effect.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of signal source switch method flow chart disclosed by the embodiments of the present invention；
Fig. 2 is a kind of specific signal source switch method flow chart disclosed by the embodiments of the present invention；
Fig. 3 is a kind of signal source switching system structural schematic diagram disclosed by the embodiments of the present invention；
Fig. 4 is a kind of control main machine structure schematic diagram disclosed by the embodiments of the present invention；
Fig. 5 is another signal source switch method flow chart disclosed by the embodiments of the present invention；
Fig. 6 is a kind of specific signal source switch method flow chart disclosed by the embodiments of the present invention；
Fig. 7 is a kind of specific signal source switch method flow chart disclosed by the embodiments of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a kind of applied to the control signal source switch method of host, system, computer-readable
Storage medium, a kind of control host, a kind of signal source switch method applied to splicing display device, to solve in the prior art
In pattern switching, the screen switching of entire splicing display device is inconsistent, the problem for causing visual display effect poor.
Referring to Fig. 1, a kind of signal source switch method provided in an embodiment of the present invention is specifically included:
S101 determines that the signal transmission of the signals transmission of each signal source is time-consuming.
It should be noted that being had in splicing display device multiple for showing the signal path of signal, signal path packet
Switching equipment channel, picture processing path etc. are included, splicing display device can load different signal sources to not when showing signal
Same shows paths, and signal can be transmitted since signal source equipment, after showing paths, eventually be transferred to tiled display
The display unit of device.
Switch mode is exactly all signal sources that switching is currently displaying, and loads new signal source, makes new signal source
Signal be transmitted to display unit from signal source equipment.The signal that splicing display device can be shown at present include DRGB signal,
ARGB signal, DP signal, HDMI-2K signal, HDMI-4K signal, VIDEO signal, SVIDEO signal, IPVIDEO-2K signal,
The signal type of the different systems such as IPVIDEO-4K signal, for same splicing display device, different signals is from signal
Source device start transmission eventually arrive at time that display unit is shown all can be different, therefore will appear in the prior art
When switch mode, the speed faster or slower that the signal of each signal source is shown, the inconsistent problem of screen switching.
Therefore, in the present solution, first determining that the signal of each signal source is required in transmission process before switching signal source
Time, that is, first determine that the signal transmission of each signal source is time-consuming, transmission process is signal from signal source equipment to aobvious
Show the whole process that unit is shown.
S102 transmits the time-consuming switching time for determining each signal source, Mei Gesuo using the signal of each signal source
The switching time for stating signal source is identical as the sum of the corresponding signal transmission time-consuming.
After making switch mode, picture is shown unanimously, and the signal for making each signal source is needed to arrive in this programme
Time up to display unit is identical.Since the signal transmission of each signal source is time-consuming different, so making each signal in this programme
The switching time in source transmits time-consuming for signal source to be arranged.
Specifically, the time-consuming switching time to determine each signal source is transmitted using the signal of each signal source, needed here
It wants the switching time of each signal source identical to the sum of corresponding signal transmission time-consuming, that is, guarantees that signal reaches display unit
Time it is identical.
In a specific embodiment, the signal that can use the predetermined correspondence splicing display device passes
Defeated time-consuming table determines that the signal transmission of the signals transmission of each signal source is time-consuming.
In the present embodiment, it first passes through in advance and each signal source is tested, determine that the signal of each signal source passes
Defeated time-consuming, and the signal of each signal source transmission time-consuming is saved in the form of a list, signal source is preserved in lists
The time-consuming corresponding relationship with the transmission of its signal.When needing switch mode, is transmitted in time-consuming table in signal determine each letter first
The signal in number source transmits time-consuming.
Specifically, in switch mode, the mode longest time-consuming signals source is first found out, sets longest short time consumption as M, most
First the signal source is carried out to send switching signal instruction, the time that its arrival display unit is shown is M, it is assumed that time-consuming is most
The time-consuming signal transmission of short signal source is T1, and the signal source switching time of the signal source is M-T1, but when the transmission of its signal
Between be T1, in this way it will when M-T1+T1=M display unit display picture, such a all different letters of mode
A secondary complete picture number will be all shown in M, and it is consistent to reach picture output.
S103 refers to according to the signal source switching that the switching time of each signal source successively sends each signal source
It enables, so that splicing display device switches the corresponding signal source in each switching time.
Specifically, the signal source switching command of each signal source is successively sent according to the switching time of each signal source, is spelled
Connecing display device switching signal source, splicing display device will receive signal source immediately after receiving signal source switching command
The time of switching command is corresponding with the switching time of above-mentioned each signal source, therefore when switching different signal sources, signal is most
The time of Zhongdao up to display unit is identical.
It can be seen that a kind of signal source switch method provided by the embodiments of the present application, it is first determined the letter of each signal source
Number transmission is time-consuming, and transmits the time-consuming switching time for determining each signal source according to the signal of each signal source, makes each signal
The signal transmission in source is time-consuming and the sum of corresponding switching time be all it is identical, finally send switching command according still further to switching time
It is identical to reach time for being shown of display unit for the signal of each signal source afterwards, thus can with when entire picture show one
It causes, the problem for avoiding visual display effect poor.
A kind of specific signal source switch method provided by the embodiments of the present application is introduced below, described below one
The specific signal source switch method of kind can be cross-referenced with above-described embodiment.
Referring to fig. 2, a kind of signal source switch method provided by the embodiments of the present application, specifically includes:
S201 determines that the signal transmission of the signals transmission of each signal source is time-consuming；
S202, Xiang Suoshu splicing display device send signal-off instruction, and the signal-off instruction is for making the spelling
Display device is connect to keep the last frame picture of all signals of present mode and discharge the letter that all signals of present mode occupy
Number outlet openings.
It should be noted that realizing that the switching of signal source needs for new signal source to be loaded into the letter of splicing display device
Number path, to transfer signals to display unit.Load splicing display device there are many modes of new signal source, for example,
It can determine the idle signal path in current display device, then sending instruction makes splicing display device load new signal source
To idle signal path, it is also possible to discharge current all occupied signal paths, then any selection signal path carries out
Load.
But in the first above-mentioned example, need to determine which path is idle route in advance, and in second of example, it releases
It bleeds off after all signal sources in the load for carrying out new signal source, display unit will be made to be in no signal in new signal loading procedure
State, i.e. splicing display device are without any picture.
In the present solution, as a preferred embodiment, signal-off instruction, spelling can be sent to splicing display device
It connects after display device receives the instruction, the signal path channel that current all signals occupy can be discharged, to avoid true in advance
Which fixed path is idle route, and can keep the last frame picture of all signals under present mode, aobvious to avoid splicing
Showing device is without any picture.
In one specifically embodiment, the transmission signal-off instruction is for work as the splicing display device will
The last frame picture of premode is saved to local cache, display caching picture, and all signals for discharging present mode occupy
Signal path channel.
That is, keeping the mode of last frame picture is that the last frame picture of present mode is saved in local delay
It deposits, and the picture data in display caching.It should be noted that since a frame picture data takes up space less, so can
To be stored directly in caching, and picture data is read in the buffer and is shown, institute preferable due to caching readwrite performance itself
With when saving last frame picture and when showing caching picture data, efficiency can be higher.
S203 transmits the time-consuming switching time for determining each signal source, Mei Gesuo using the signal of each signal source
The switching time for stating signal source is identical as the sum of the corresponding signal transmission time-consuming；
S204 refers to according to the signal source switching that the switching time of each signal source successively sends each signal source
It enables, so that splicing display device switches the corresponding signal source in each switching time.
A kind of signal source switching system provided by the embodiments of the present application is introduced below, a kind of signal described below
Source switching system can be cross-referenced with any of the above-described embodiment.
Referring to Fig. 3, a kind of signal source switching system provided by the embodiments of the present application is applied to control host, specifically includes:
Signal transmits time-consuming determining module 301, the signal transmission consumption of the signals transmission for determining each signal source
When.
Switching time determining module 302 transmits time-consuming determining each signal for the signal using each signal source
The switching time in source, the switching time of each signal source are identical as the sum of the corresponding signal transmission time-consuming.
Switching command sending module 303 is successively sent each for the switching time according to each signal source
The signal source switching command of signal source, so that splicing display device switches the corresponding signal source in each switching time.
The signal source switching system of the present embodiment is for realizing signal source switch method above-mentioned, therefore signal source switching is
The embodiment part of the visible signal source switch method hereinbefore of specific embodiment in system, for example, signal transmission is time-consuming really
Cover half block 301, switching time determining module 302, switching command sending module 303 are respectively used to realize above-mentioned signal source switching
Step S101, S102, S103 in method, so, specific embodiment is referred to retouching for corresponding various pieces embodiment
It states, details are not described herein.
Present invention also provides a kind of control hosts, referring to fig. 4, a kind of knot controlling host provided in an embodiment of the present invention
Composition, as shown in Figure 4, comprising:
Memory 100, for storing computer program；
Step provided by above-described embodiment may be implemented in processor 200 when for executing the computer program.
Specifically, memory 100 includes non-volatile memory medium, built-in storage.Non-volatile memory medium storage
There are operating system and computer-readable instruction, which is that the operating system and computer in non-volatile memory medium can
The operation of reading instruction provides environment.Processor 200 provides calculating and control ability for control host, and any of the above-described letter may be implemented
Step provided by number source switch method embodiment.
On the basis of the above embodiments, preferably, the control host further include:
Input interface 300 is controlled through processor and is saved for obtaining computer program, parameter and the instruction of external importing
Into memory.The input interface 300 can be connected with input unit, receive parameter or instruction that user is manually entered.This is defeated
Entering device can be the touch layer covered on display screen, be also possible to the key being arranged in terminal enclosure, trace ball or Trackpad,
It is also possible to keyboard, Trackpad or mouse etc..
Display unit 400, the data sent for video-stream processor.The display unit 400 can be the display in PC machine
Screen, liquid crystal display or electric ink display screen etc..
The network port 500, for being communicatively coupled with external each terminal device.Skill is communicated used by the communication connection
Art can be cable communicating technology or wireless communication technique, as mobile high definition chained technology (MHL), universal serial bus (USB),
High-definition media interface (HDMI), Bluetooth Communication Technology, the low-power consumption bluetooth communication technology, is based on adopting wireless fidelity technology (WiFi)
The communication technology etc. of IEEE802.11s.
Present invention also provides a kind of computer readable storage mediums, are stored thereon with computer program, the computer
Step provided by above-described embodiment may be implemented when program is executed by processor.The storage medium may include: USB flash disk, movement
Hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory,
RAM), the various media that can store program code such as magnetic or disk.
Another signal source switch method provided by the embodiments of the present application is introduced below, a kind of letter described below
Number source switch method is applied to splicing display device, can be cross-referenced with any of the above-described embodiment.
Referring to Fig. 5, a kind of signal source switch method provided by the embodiments of the present application is specifically included:
S501 successively receives the signal source switching command of each signal source；
S502 successively switches and each letter according to the time for the signal source switching command for receiving each signal source
Number corresponding signal source of source switching command.
Splicing display device switching signal source, splicing display device can receive immediately after receiving signal source switching command
It is corresponding to the time of signal source switching command and the switching time of each signal source of above-described embodiment introduction, therefore switching not
With signal source when, the time that signal eventually arrives at display unit is identical.
A kind of specific signal source switch method provided by the embodiments of the present application is introduced below, described below one
The specific signal source switch method of kind can be cross-referenced with above-described embodiment.
Referring to Fig. 6, a kind of specific signal source switch method provided by the embodiments of the present application is specifically included:
S601 successively receives the signal source switching command of each signal source.
S602 obtains the idle signal outlet openings not occupied by the signal of present mode in the splicing display device.
S603 successively loads each signal source according to the time for the signal source switching command for receiving each signal source
Signal is to the different idle signal outlet openings.
In the present solution, can determine idle signal in current splicing display device after receiving signal switching command
Outlet openings, and the signal of signal source is successively loaded to different idle signals according to the time of the switching command of each signal source
In outlet openings, caused tiled display when so as to avoid first discharging occupied signal path channel load load new signal source
The problem of device has one section without image time.
A kind of specific signal source switch method provided by the embodiments of the present application is introduced below, described below one
The specific signal source switch method of kind can be cross-referenced with above-described embodiment.
Referring to Fig. 7, a kind of specific signal source switch method provided by the embodiments of the present application is specifically included:
S701 receives the instruction in the signal path channel of all signals occupancy of release present mode.
S702 keeps the last frame picture of all signals of present mode and discharges the signal road of all signals of present mode
Diameter channel.
In the present solution, splicing display device can discharge the signal path channel that current all signals occupy, to avoid
It determines which path is idle route in advance, and the last frame picture of all signals under present mode can be kept, to avoid
Splicing display device is without any picture.
In one specifically embodiment, the last frame picture for keeping all signals of present mode, comprising:
The last frame picture of present mode is saved to local cache and display caching picture.
That is, keeping the mode of last frame picture is that the last frame picture of present mode is saved in local delay
It deposits, and the picture data in display caching.It should be noted that since a frame picture data takes up space less, so can
To be stored directly in caching, and picture data is read in the buffer and is shown, institute preferable due to caching readwrite performance itself
With when saving last frame picture and when showing caching picture data, efficiency can be higher.
S703 successively receives the signal source switching command of each signal source.
S704 successively switches and each letter according to the time for the signal source switching command for receiving each signal source
Number corresponding signal source of source switching command.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of signal source switch method, which is characterized in that be applied to control host, comprising:
Determine that the signal transmission of the signals transmission of each signal source is time-consuming；
The time-consuming switching time for determining each signal source is transmitted using the signal of each signal source, each signal source
The switching time is identical as the sum of the corresponding signal transmission time-consuming；
The signal source switching command of each signal source is successively sent according to the switching time of each signal source, so as to spell
It connects display device and switches the corresponding signal source in each switching time.
2. the method according to claim 1, wherein the letter of the signals transmission of each signal source of the determination
Number transmission is time-consuming, comprising:
The letter that time-consuming table determines each signal source is transmitted using the signal of the predetermined correspondence splicing display device
The signal of number transmission process transmits time-consuming.
3. method according to claim 1 or 2, which is characterized in that the switching according to each signal source
Time successively sends before the signal source switching command of each signal source, further includes:
Signal-off instruction is sent to the splicing display device, the signal-off instruction is for making the splicing display device
It keeps the last frame picture of all signals of present mode and discharges the signal path channel that all signals of present mode occupy.
4. according to the method described in claim 3, it is characterized in that, transmission signal-off instruction is aobvious for making the splicing
Showing device saves the last frame picture of present mode to local cache, display caching picture, and discharges the institute of present mode
The signal path channel for thering is signal to occupy.
5. a kind of signal source switching system, which is characterized in that be applied to control host, comprising:
Signal transmits time-consuming determining module, for determining that the signal transmission of signals transmission of each signal source is time-consuming；
Switching time determining module transmits the time-consuming switching for determining each signal source for the signal using each signal source
Time, the switching time of each signal source are identical as the sum of the corresponding signal transmission time-consuming；
Switching command sending module, for successively sending each signal source according to the switching time of each signal source
Signal source switching command, so that splicing display device switches the corresponding signal source in each switching time.
6. a kind of control host characterized by comprising
Memory, for storing computer program；
Processor realizes the signal source switch method as described in any one of Claims 1-4 when for executing the computer program
The step of.
7. a kind of signal source switch method, which is characterized in that be applied to splicing display device, comprising:
Successively receive the signal source switching command of each signal source；
Successively switch according to the time for the signal source switching command for receiving each signal source and switches with each signal source
Instruct corresponding signal source.
8. the method according to the description of claim 7 is characterized in that described cut according to the signal source for receiving each signal source
The time for changing instruction successively switches signal source corresponding with each signal source switching command, comprising:
Obtain the idle signal outlet openings not occupied by the signal of present mode in the splicing display device；
The signal of each signal source is successively loaded to not according to the time for the signal source switching command for receiving each signal source
The same idle signal outlet openings.
9. the method according to the description of claim 7 is characterized in that the signal source switching for successively receiving each signal source refers to
Before order, further includes:
Receive the instruction in the signal path channel of all signals occupancy of release present mode；
It keeps the last frame picture of all signals of present mode and discharges the signal path channel of all signals of present mode.
10. according to the method described in claim 9, it is characterized in that, the last frame for keeping all signals of present mode
Picture, comprising:
The last frame picture of present mode is saved to local cache and display caching picture.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110830678A (en) * | 2019-11-14 | 2020-02-21 | 威创集团股份有限公司 | Multi-channel video signal synchronous output method, device, system and medium |
| CN114302172A (en) * | 2021-12-28 | 2022-04-08 | 威创集团股份有限公司 | Seamless switching method, distributed splicing system, storage medium and computer equipment |
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| CN114302172A (en) * | 2021-12-28 | 2022-04-08 | 威创集团股份有限公司 | Seamless switching method, distributed splicing system, storage medium and computer equipment |
| CN114302172B (en) * | 2021-12-28 | 2023-08-18 | 威创集团股份有限公司 | Seamless switching method, distributed splicing system, storage medium and computer equipment |
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Application publication date: 20190712 |