CN105338260B - Signal source switch method and system - Google Patents
Signal source switch method and system Download PDFInfo
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- CN105338260B CN105338260B CN201510719038.9A CN201510719038A CN105338260B CN 105338260 B CN105338260 B CN 105338260B CN 201510719038 A CN201510719038 A CN 201510719038A CN 105338260 B CN105338260 B CN 105338260B
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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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
- G06F3/1446—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display display composed of modules, e.g. video walls
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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
- H04N5/2624—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 for obtaining an image which is composed of whole input images, e.g. splitscreen
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- Engineering & Computer Science (AREA)
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- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mobile Radio Communication Systems (AREA)
- Studio Circuits (AREA)
Abstract
The present invention relates to a kind of signal source switch method and system, above-mentioned signal source switch method includes the following steps: after receiving signal source switching command, parses the signal source switching command and obtains corresponding signal source；It obtains and shows working signal path used in current demand signal source and the current idle signal path not occupied by signal source in splicing display device；When carrying out signal source switching, idle signal path is loaded for the signal source, the signal source is switched using the idle signal path according to the signal source switching command, and keep the transmission of signal in working signal path.Signal source switch method provided by the invention and system, above-mentioned signal source is set not influence the display of splicing display device current demand signal in handoff procedure, the situation that no signal is shown in handoff procedure can be avoided the occurrence of, the display effect of splicing display device in signal source handoff procedure is improved.
Description
Technical field
The present invention relates to image display technology fields, more particularly to a kind of signal source switch method and system.
Background technique
In splicing display device, it usually needs show hundreds and thousands of road signal sources, different signals generally requires to pass through
The specified signal source of the switching equipment such as various matrixes selection, in synchronization, the signal source that splicing display device can be shown is a
Number is limited, it is therefore desirable to be saved as multiple display patterns, be reached by switching display pattern and be switched fast different letters
Number source is shown.
When two display patterns mutually switch, the window that splicing display device is currently shown is needed all to empty, so
Show new other signals source again afterwards.Since each display pattern needs the regular hour to cut from acquisition signal among display
Outputting and inputting for the switching equipment such as matrix is changed, image processor needs by the regular hour signal of acquisition
Reason, the time of the two determine the time that signal is shown, when two display patterns switch, since there are such times
Difference, it is the case where will appear the display of certain time no signal on splicing display device, poor so as to cause display effect.
Summary of the invention
Based on this, it is necessary to for the technical problem of display effect difference in the handover scheme of classical signal source, provide a kind of letter
Number source switch method and system.
A kind of signal source switch method, includes the following steps:
After receiving signal source switching command, parses the signal source switching command and obtain corresponding signal source；
It obtains and shows working signal path used in current demand signal source in splicing display device and currently not by signal source
The idle signal path of occupancy；
When carrying out signal source switching, idle signal path is loaded for the signal source, is referred to according to signal source switching
It enables and switches the signal source using the idle signal path, and keep the transmission of signal in working signal path.
A kind of signal source switching system, comprising:
Parsing module, it is corresponding for after receiving signal source switching command, parsing the signal source switching command acquisition
Signal source；
Module is obtained, working signal path used in current demand signal source is shown in splicing display device for obtaining and works as
The preceding idle signal path not occupied by signal source；
Switching module, for idle signal path being loaded for the signal source, according to described when carrying out signal source switching
Signal source switching command switches the signal source using the idle signal path, and keeps the biography of signal in working signal path
It is defeated.
Above-mentioned signal source switch method and system parse and obtain signal source therein after receiving signal source switching and referring to,
The idle signal path in splicing display device is loaded for the signal source, above-mentioned idle signal path switching is recycled to carry out letter
The switching in number source, and keep the transmission of signal in working signal path；Above-mentioned signal source is set not influence to splice in handoff procedure
The display of display device current demand signal can avoid the occurrence of the situation that no signal is shown in handoff procedure, improve signal source and cut
The display effect of splicing display device during changing.
Detailed description of the invention
Fig. 1 is the signal source switch method flow chart of one embodiment；
Fig. 2 is the signal source switching system structural schematic diagram of one embodiment.
Specific embodiment
The specific embodiment of signal source switch method and system of the invention is described in detail with reference to the accompanying drawing.
It show the signal source switch method flow chart of one embodiment with reference to Fig. 1, Fig. 1, includes the following steps:
S10 parses the signal source switching command and obtains corresponding signal source after receiving signal source switching command；
In above-mentioned steps S10, when splicing display device since it shows demand, need to obtain system's display from new signal source
When information, the signal source switching command that the control such as server equipment is sent to it can be received, and refer to according to the switching of above-mentioned signal source
Enable the switching for carrying out signal source.Above-mentioned signal source switching command may include switched signal source, the number of signal source and on
State the contents such as signal source address.
Signal source switching command is parsed, the letter such as corresponding signal source of available above-mentioned signal source switching command
Breath, to obtain corresponding signal from the corresponding signal source of above-mentioned signal source switching command.
S20 is obtained and is shown working signal path used in current demand signal source in splicing display device and do not believed currently
The idle signal path that number source occupies；
In above-mentioned steps S20, the various signal paths such as working signal path and idle signal path may each comprise exchange
Several parts such as device channels and picture processing path, from signal source obtain signal need successively by switching equipment channel,
The paths such as picture processing path can just be transmitted to corresponding display unit and be shown.It may be deposited in one splicing display device
Signal path number can be each section port number product.Above-mentioned idle signal path refers to each portion in the signal path
Point, such as switching equipment channel, picture processing path etc., it is not spliced display device and currently shows that signal source used accounts for
With being that corresponding splicing display device switches new signal source and do not interfere with the tiled display by above-mentioned idle signal path
The current display of device.Working signal path, which refers to, shows signal path used in current demand signal source in splicing display device.
S30 loads idle signal path for the signal source, is cut according to the signal source when carrying out signal source switching
It changes instruction and switches the signal source using the idle signal path, and keep the transmission of signal in working signal path.
Signal source switch method provided in this embodiment parses after receiving signal source switching and referring to and obtains letter therein
Number source loads the idle signal path in splicing display device for the signal source, above-mentioned idle signal path is recycled to switch
The switching of signal source is carried out, and keeps the transmission of signal in working signal path；Make above-mentioned signal source not shadow in handoff procedure
The display for ringing splicing display device current demand signal, can avoid the occurrence of the situation that no signal is shown in handoff procedure, improve letter
The display effect of splicing display device in number source handoff procedure.
In one embodiment, working signal path used in current demand signal source is shown in above-mentioned acquisition splicing display device
And currently do not include: by the step of idle signal path of signal source occupancy
It obtains in splicing display device and shows working signal path used in current demand signal source；
Operating path list is established, each road working signal path is stored in the operating path list respectively；
It is obtained from the signal path of splicing display device not in the signal path of the operating path list, obtains the free time
Signal path.
In the present embodiment, signal path may include several parts such as switching equipment channel and picture processing path, from letter
The signal that number source obtains needs successively can just be transmitted to by paths such as switching equipment channel, picture processing paths corresponding aobvious
Show that unit is shown.The signal path in working signal path is not that splicing display device is currently displayed without the letter used
Number path, that is, idle signal path.
As one embodiment, can also include: before above-mentioned the step of loading idle signal path for the signal source
Establish idle route list；
The idle signal path is stored in the idle route list.
In the present embodiment, idle signal path is stored in the idle route list, it can be by corresponding splicing display device
Middle free time signal path is stored in above-mentioned idle route list entirely, when needing to switch new signal source, directly from above-mentioned idle road
Idle signal path is obtained in diameter list, the efficiency for obtaining idle signal path can be improved, and then is improved above-mentioned signal source and cut
The efficiency changed.In above-mentioned idle route list, each signal path can deposit the various pieces in signal path respectively
Storage obtains idle signal path from above-mentioned idle route list, can be by each sections such as switching equipment channel, picture processing paths
Random combine is carried out, to form idle signal path.
As one embodiment, the step of above-mentioned signal source load idle signal path before can also include:
Signal path list is established according to the signal path of splicing display device；
The signal path list and working signal path are compared, if the signal path list and working signal path one
It causes, then chooses the working signal path of default number in the working signal path, and close selected working signal road
Diameter obtains idle signal path.
In the present embodiment, above-mentioned signal path list may include signal path all in splicing display device, including
Working signal path and idle signal path；The corresponding signal path number of above-mentioned signal path list can be in signal path
The product of each sections port number such as switching equipment channel, picture processing path.If above-mentioned signal path list and working signal road
Diameter is consistent, illustrates that signal path all in splicing display device is occupied, needs to choose in working signal path default
The signal path of number, is closed, to obtain idle signal path, for the switching in follow-up signal source, to reduce signal source
Switching currently shows caused influence to splicing display device.Above-mentioned default number can according to need the signal number of switching
And the factors such as signal path number in splicing display device are configured, and be can be set to 1,2, be may be set to be it
His number.
In one embodiment, can also include: before above-mentioned the step of loading idle signal path for the signal source
Obtain the corresponding signal source number of signal source switching command；
If the idle signal number of path is less than signal source number；
The difference of the signal source number and idle signal number of path is obtained, and chooses road in the working signal path
The number working signal path equal with the difference, and selected working signal path is closed, obtain idle signal path.
In the present embodiment, when the idle signal number of path be less than signal source number, illustrate that splicing display device does not have currently
There is switching of enough idle signal paths for signal source, needs to choose from the working signal path of the splicing display device
The working signal path equal with the difference, and closed, enough idle signal paths are obtained, to be used for corresponding signal
The switching in source is further ensured that the display quality of splicing display device in handoff procedure.
In one embodiment, above-mentioned the step of switching the signal source using the idle signal path, may include:
According to the input/output end port and picture processing path of the idle signal path select signal switching equipment；
The input/output end port and picture processing path is passed sequentially through to be shown from signal source acquisition signal
Show.
In the present embodiment, signal path may include several parts such as switching equipment channel and picture processing path, selection
The input/output end port and picture processing path of signal exchange device, and pass sequentially through the input/output end port and figure
It is shown as treatment channel obtains signal from the signal source, it is ensured that obtain corresponding signal from the signal source and shown
Quality.
The signal source switching system structural schematic diagram of one embodiment is shown with reference to Fig. 2, Fig. 2, comprising:
Parsing module 10 obtains correspondence for after receiving signal source switching command, parsing the signal source switching command
Signal source；
Obtain module 20, for obtain shown in splicing display device working signal path used in current demand signal source and
The idle signal path not occupied by signal source currently；
Switching module 30, for idle signal path being loaded for the signal source, according to institute when carrying out signal source switching
It states signal source switching command and switches the signal source using the idle signal path, and keep signal in working signal path
Transmission.
In one embodiment, above-mentioned acquisition module is further used for:
It obtains in splicing display device and shows working signal path used in current demand signal source；
Operating path list is established, each road working signal path is stored in the operating path list respectively；
It is obtained from the signal path of splicing display device not in the signal path of the operating path list, obtains the free time
Signal path.
As one embodiment, can also include: before above-mentioned switching module
First establishes module, for establishing idle route list；
It is stored in module, for the idle signal path to be stored in the idle route list.
As one embodiment, can also include: before further including before above-mentioned switching module
Second establishes module, establishes signal path list for the signal path according to splicing display device；
Comparison module, for comparing the signal path list and working signal path, if the signal path list and
Working signal path is consistent, then the working signal path of default number is chosen in the working signal path, and selected by closing
The working signal path taken, obtains idle signal path.
Signal source switching system provided by the invention and signal source switch method provided by the invention correspond, described
Technical characteristic and its advantages that the embodiment of signal source switch method illustrates are suitable for the implementation of signal source switching system
In example, hereby give notice that.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (9)
1. a kind of signal source switch method, which comprises the steps of:
After receiving signal source switching command, parses the signal source switching command and obtain corresponding signal source；
It obtains and shows working signal path used in current demand signal source in splicing display device and do not occupied by signal source currently
Idle signal path；
When carrying out signal source switching, idle signal path is loaded for the signal source, according to the signal source switching command benefit
Switch the signal source with the idle signal path, and keeps the transmission of signal in working signal path；
Before described the step of loading idle signal path for the signal source further include:
Obtain the corresponding signal source number of signal source switching command；
If the idle signal number of path is less than signal source number；
Obtain the difference of the signal source number and idle signal number of path, and in the working signal path choose number with
The equal working signal path of the difference, and selected working signal path is closed, obtain idle signal path.
2. signal source switch method according to claim 1, which is characterized in that shown in the acquisition splicing display device
Working signal path used in current demand signal source and current do not include: by the step of idle signal path that signal source occupies
It obtains in splicing display device and shows working signal path used in current demand signal source；
Operating path list is established, each road working signal path is stored in the operating path list respectively；
It is obtained from the signal path of splicing display device not in the signal path of the operating path list, obtains idle signal
Path.
3. signal source switch method according to claim 2, which is characterized in that described for the idle letter of signal source load
Before the step of number path further include:
Establish idle route list；
The idle signal path is stored in the idle route list.
4. signal source switch method according to claim 2, which is characterized in that described for the idle letter of signal source load
Before the step of number path further include:
Signal path list is established according to the signal path of splicing display device；
The signal path list and working signal path are compared, if the signal path list is consistent with working signal path,
The working signal path of default number is then chosen in the working signal path, and closes selected working signal path,
Obtain idle signal path.
5. signal source switch method according to claim 1, which is characterized in that described to be cut using the idle signal path
The step of changing the signal source include:
According to the input/output end port and picture processing path of the idle signal path select signal switching equipment；
The input/output end port and picture processing path is passed sequentially through to be shown from signal source acquisition signal.
6. a kind of signal source switching system characterized by comprising
Parsing module obtains corresponding signal for after receiving signal source switching command, parsing the signal source switching command
Source；
Obtain module, for obtain show in splicing display device working signal path used in current demand signal source and currently not
The idle signal path occupied by signal source；
Switching module, for idle signal path being loaded for the signal source, according to the signal when carrying out signal source switching
Source switching command switches the signal source using the idle signal path, and keeps the transmission of signal in working signal path；
The switching module is also used to:
Obtain the corresponding signal source number of signal source switching command；
If the idle signal number of path is less than signal source number；
Obtain the difference of the signal source number and idle signal number of path, and in the working signal path choose number with
The equal working signal path of the difference, and selected working signal path is closed, obtain idle signal path.
7. signal source switching system according to claim 6, which is characterized in that the acquisition module is further used for:
It obtains in splicing display device and shows working signal path used in current demand signal source；
Operating path list is established, each road working signal path is stored in the operating path list respectively；
It is obtained from the signal path of splicing display device not in the signal path of the operating path list, obtains idle signal
Path.
8. signal source switching system according to claim 7, which is characterized in that before the switching module further include:
First establishes module, for establishing idle route list；
It is stored in module, for the idle signal path to be stored in the idle route list.
9. signal source switching system according to claim 8, which is characterized in that before the switching module further include:
Second establishes module, establishes signal path list for the signal path according to splicing display device；
Comparison module, for comparing the signal path list and working signal path, if the signal path list and work
Signal path is consistent, then the working signal path of default number is chosen in the working signal path, and selected by closing
Working signal path obtains idle signal path.
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| CN109521980B (en) * | 2018-10-12 | 2022-03-29 | 北京凯视达科技股份有限公司 | Method, device, medium and electronic equipment for determining display content of entity display screen |
| CN110012240A (en) * | 2019-05-14 | 2019-07-12 | 威创集团股份有限公司 | A kind of signal source switch method, system, storage medium and control host |
| CN110134358A (en) * | 2019-05-27 | 2019-08-16 | 中天智领（北京）科技有限公司 | A kind of multi-screen control method and device |
| CN110740375A (en) * | 2019-11-25 | 2020-01-31 | 上海邸客网络科技有限公司 | television box multi-signal-source video switching method |
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