CN105338260A - Signal source switching method and system - Google Patents
Signal source switching method and system Download PDFInfo
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- CN105338260A CN105338260A CN201510719038.9A CN201510719038A CN105338260A CN 105338260 A CN105338260 A CN 105338260A CN 201510719038 A CN201510719038 A CN 201510719038A CN 105338260 A CN105338260 A CN 105338260A
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000008054 signal transmission Effects 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
Classifications
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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
-
- 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)
- Multimedia (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mobile Radio Communication Systems (AREA)
- Studio Circuits (AREA)
Abstract
The invention relates to a signal source switching method and system. The signal source switching method includes the following steps that: after a signal source switching instruction is received, the signal source switching instruction is analyzed, so that a corresponding signal source can be obtained; a work signal path used by the signal source currently and an idle signal path which is not occupied by the signal source currently which are displayed in a splicing display device are obtained; and when the signal source is switched, the idle signal path is loaded for the signal source, the idle signal path is utilized to switch the signal source according to the signal source switching instruction, and the transmission of signals in the work signal path is kept. With the signal source switching method and system provided by the invention adopted, in the switching process of the signal source, the display of current signals of the splicing display device is not affected, and a situation of inexistence of signal display in the switching process can be avoided, and the display effect of the splicing display device in the switching process of the signal source can be improved.
Description
Technical field
The present invention relates to image display technology field, particularly relate to a kind of signal source changing method and system.
Background technology
In splicing display device, usually need to show hundreds and thousands of roads signal source, different signals often needs to select the signal source of specifying by switching equipment such as various matrixes, at synchronization, the signal source number that splicing display device can show is limited, therefore need to save as multiple display modes, reach the different signal source of switching fast by switching display mode and show.
When two display modes switch mutually, need the window of current for splicing display device display all to empty, and then show other new signal source.Because each display mode is from collection signal to the input and output at switching equipment such as display intermediate demand regular hour switching matrix, image processor processes through the regular hour for the signal demand gathered, both the Time dependent time of Signal aspects, when two display modes switch, owing to there is such time difference, splicing display device there will be the situation of certain hour no signal display, thus cause display effect poor.
Summary of the invention
Based on this, be necessary, for the technical problem of display effect difference in the handover scheme of classical signal source, to provide a kind of signal source changing method and system.
A kind of signal source changing method, comprises the steps:
After the switching command of Received signal strength source, resolve described signal source switching command and obtain corresponding signal source;
Obtain in splicing display device and show working signal path used, current demand signal source and current not by idle signal path that signal source takies;
When carrying out signal source and switching, for described signal source loads idle signal path, utilize described idle signal path to switch described signal source according to described signal source switching command, and keep the transmission of signal in working signal path.
A kind of signal source switched system, comprising:
Parsing module, for after the switching command of Received signal strength source, resolves described signal source switching command and obtains corresponding signal source;
Acquisition module, shows working signal path used, current demand signal source and current not by idle signal path that signal source takies for obtaining in splicing display device;
Handover module, for when carrying out signal source and switching, for described signal source loads idle signal path, utilizes described idle signal path to switch described signal source according to described signal source switching command, and keeps the transmission of signal in working signal path.
Above-mentioned signal source changing method and system, after the switching of Received signal strength source refers to, resolve and obtain signal source wherein, for described signal source loads the idle signal path in splicing display device, recycle above-mentioned idle signal path and switch the switching carrying out signal source, and keep the transmission of signal in working signal path; Make above-mentioned signal source in handoff procedure, not affect the display of splicing display device current demand signal, the situation occurring no signal display in handoff procedure can be avoided, improve the display effect of splicing display device in signal source handoff procedure.
Accompanying drawing explanation
Fig. 1 is the signal source changing method flow chart of an embodiment;
Fig. 2 is the signal source switched system structural representation of an embodiment.
Embodiment
Be described in detail below in conjunction with the embodiment of accompanying drawing to signal source changing method of the present invention and system.
With reference to figure 1, Figure 1 shows that the signal source changing method flow chart of an embodiment, comprise the steps:
S10, after the switching command of Received signal strength source, resolves described signal source switching command and obtains corresponding signal source;
In above-mentioned steps S10, when splicing display device because it shows demand, when needs are display information from the acquisition of new signal source, the signal source switching command that the control appliances such as meeting reception server send to it, and the switching of signal source is carried out according to above-mentioned signal source switching command.Above-mentioned signal source switching command can comprise the content such as number and above-mentioned signal source address of switched signal source, signal source.
Signal source switching command is resolved, the information such as signal source corresponding to above-mentioned signal source switching command can be obtained, to obtain corresponding signal from the signal source that above-mentioned signal source switching command is corresponding.
S20, obtains in splicing display device and shows working signal path used, current demand signal source and current not by idle signal path that signal source takies;
In above-mentioned steps S20, the various signal path such as working signal path and idle signal path all can comprise several parts such as switching equipment passage and picture processing path, just can transfer to corresponding display unit successively show from the signal demand of signal source acquisition through paths such as switching equipment passage, picture processing paths.The signal path number that may exist in a splicing display device can be the product of each several part port number.Above-mentioned idle signal path refers to the various piece in this signal path, such as switching equipment passage, picture processing path etc., the signal source not all being spliced the current display of display unit used takies, and is that corresponding splicing display device switches new signal source and can not have influence on the current display of this splicing display device by above-mentioned idle signal path.Working signal path refers to show current demand signal source signal path used in splicing display device.
S30, when carrying out signal source and switching, for described signal source loads idle signal path, utilizes described idle signal path to switch described signal source according to described signal source switching command, and keeps the transmission of signal in working signal path.
The signal source changing method that the present embodiment provides, after the switching of Received signal strength source refers to, resolve and obtain signal source wherein, for described signal source loads the idle signal path in splicing display device, recycle above-mentioned idle signal path and switch the switching carrying out signal source, and keep the transmission of signal in working signal path; Make above-mentioned signal source in handoff procedure, not affect the display of splicing display device current demand signal, the situation occurring no signal display in handoff procedure can be avoided, improve the display effect of splicing display device in signal source handoff procedure.
In one embodiment, the step showing working signal path used, current demand signal source and the current idle signal path do not taken by signal source in above-mentioned acquisition splicing display device comprises:
Obtain in splicing display device and show working signal path used, current demand signal source;
Set up operating path list, respectively by working signal path, each road stored in described operating path list;
Obtain from the signal path of splicing display device not at the signal path of described operating path list, obtain idle signal path.
In the present embodiment, signal path can comprise several parts such as switching equipment passage and picture processing path, just can transfer to corresponding display unit successively show from the signal demand of signal source acquisition through paths such as switching equipment passage, picture processing paths.The signal path that the current display of splicing display device do not use is not, namely idle signal path at the signal path in working signal path.
As an embodiment, can also comprise before the above-mentioned step for described signal source loading idle signal path:
Set up idle route list;
By described idle signal path stored in described idle route list.
In the present embodiment, by idle signal path stored in described idle route list, can by signal path idle in corresponding splicing display device entirely stored in above-mentioned idle route list, in time needing to switch new signal source, directly from above-mentioned idle route list, obtain idle signal path, the efficiency obtaining idle signal path can be improved, and then improve the efficiency of above-mentioned signal source switching.In above-mentioned idle route list, various piece in signal path can store by each signal path respectively, obtain idle signal path from above-mentioned idle route list, each several parts such as switching equipment passage, picture processing path can be carried out random combine, to form idle signal path.
As an embodiment, above-mentioned signal source can also comprise before loading the step in idle signal path:
Signal path list is set up according to the signal path of splicing display device;
Signal path list described in comparison and working signal path, if described signal path list is consistent with working signal path, in described working signal path, then choose the working signal path of default way, and the working signal path selected by closing, obtain idle signal path.
In the present embodiment, above-mentioned signal path list can comprise signal paths all in splicing display device, comprises working signal path and idle signal path; Signal path number corresponding to above-mentioned signal path list can be the product of each several part port number such as switching equipment passage, picture processing path in signal path.If above-mentioned signal path list is consistent with working signal path, illustrate that signal paths all in splicing display device is all occupied, need the signal path choosing default way in working signal path, close, to obtain idle signal path, for the switching in follow-up signal source, switch to reduce signal source the impact that the current display of splicing display device is caused.The factors such as the signal path number in the signal number that above-mentioned default way can switch as required and splicing display device are arranged, and can be set to 1,2, also can be set to other numbers.
In one embodiment, can also comprise before the above-mentioned step for described signal source loading idle signal path:
Obtain the signal source number that signal source switching command is corresponding;
If described idle signal number of path is less than signal source number;
Obtain the difference of described signal source number and idle signal number of path, and in described working signal path, choose the way working signal path equal with described difference, and the working signal path selected by closing, obtain idle signal path.
In the present embodiment, when described idle signal number of path is less than signal source number, illustrate that splicing display device is current and there is no enough idle signal paths for the switching of signal source, need to choose the working signal path equal with described difference from the working signal path of this splicing display device, and close, obtain enough idle signal paths, for the switching in corresponding signal source, ensure the display quality of splicing display device in handoff procedure further.
In one embodiment, the above-mentioned step utilizing described idle signal path to switch described signal source can comprise:
According to input/output end port and the picture processing path of described idle signal path select signal switching equipment;
Obtain signal by described input/output end port and picture processing path from described signal source successively to show.
In the present embodiment, signal path can comprise several parts such as switching equipment passage and picture processing path, select input/output end port and the picture processing path of signal exchange device, and obtain signal by described input/output end port and picture processing path from described signal source successively and show, can ensure to obtain from this signal source the quality that corresponding signal carries out showing.
With reference to figure 2, Figure 2 shows that the signal source switched system structural representation of an embodiment, comprising:
Parsing module 10, for after the switching command of Received signal strength source, resolves described signal source switching command and obtains corresponding signal source;
Acquisition module 20, shows working signal path used, current demand signal source and current not by idle signal path that signal source takies for obtaining in splicing display device;
Handover module 30, for when carrying out signal source and switching, for described signal source loads idle signal path, utilizes described idle signal path to switch described signal source according to described signal source switching command, and keeps the transmission of signal in working signal path.
In one embodiment, above-mentioned acquisition module is further used for:
Obtain in splicing display device and show working signal path used, current demand signal source;
Set up operating path list, respectively by working signal path, each road stored in described operating path list;
Obtain from the signal path of splicing display device not at the signal path of described operating path list, obtain idle signal path.
As an embodiment, can also comprise before above-mentioned handover module:
First sets up module, for setting up idle route list;
Stored in module, for by described idle signal path stored in described idle route list.
As an embodiment, can also comprise before also comprising before above-mentioned handover module:
Second sets up module, for setting up signal path list according to the signal path of splicing display device;
Comparing module, for signal path list described in comparison and working signal path, if described signal path list is consistent with working signal path, then in described working signal path, choose the working signal path of default way, and the working signal path selected by closing, obtain idle signal path.
Signal source switched system provided by the invention and signal source changing method one_to_one corresponding provided by the invention, the technical characteristic of setting forth in the embodiment of described signal source changing method and beneficial effect thereof are all applicable to, in the embodiment of signal source switched system, hereby state.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this specification is recorded.
The above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a signal source changing method, is characterized in that, comprises the steps:
After the switching command of Received signal strength source, resolve described signal source switching command and obtain corresponding signal source;
Obtain in splicing display device and show working signal path used, current demand signal source and current not by idle signal path that signal source takies;
When carrying out signal source and switching, for described signal source loads idle signal path, utilize described idle signal path to switch described signal source according to described signal source switching command, and keep the transmission of signal in working signal path.
2. signal source changing method according to claim 1, is characterized in that, the step showing working signal path used, current demand signal source and the current idle signal path do not taken by signal source in described acquisition splicing display device comprises:
Obtain in splicing display device and show working signal path used, current demand signal source;
Set up operating path list, respectively by working signal path, each road stored in described operating path list;
Obtain from the signal path of splicing display device not at the signal path of described operating path list, obtain idle signal path.
3. signal source changing method according to claim 2, is characterized in that, also comprises before the described step for described signal source loading idle signal path:
Set up idle route list;
By described idle signal path stored in described idle route list.
4. signal source changing method according to claim 2, is characterized in that, also comprises before the described step for described signal source loading idle signal path:
Signal path list is set up according to the signal path of splicing display device;
Signal path list described in comparison and working signal path, if described signal path list is consistent with working signal path, in described working signal path, then choose the working signal path of default way, and the working signal path selected by closing, obtain idle signal path.
5. signal source changing method according to claim 1, is characterized in that, also comprises before the described step for described signal source loading idle signal path:
Obtain the signal source number that signal source switching command is corresponding;
If described idle signal number of path is less than signal source number;
Obtain the difference of described signal source number and idle signal number of path, and in described working signal path, choose the way working signal path equal with described difference, and the working signal path selected by closing, obtain idle signal path.
6. signal source changing method according to claim 1, is characterized in that, the described step utilizing described idle signal path to switch described signal source comprises:
According to input/output end port and the picture processing path of described idle signal path select signal switching equipment;
Obtain signal by described input/output end port and picture processing path from described signal source successively to show.
7. a signal source switched system, is characterized in that, comprising:
Parsing module, for after the switching command of Received signal strength source, resolves described signal source switching command and obtains corresponding signal source;
Acquisition module, shows working signal path used, current demand signal source and current not by idle signal path that signal source takies for obtaining in splicing display device;
Handover module, for when carrying out signal source and switching, for described signal source loads idle signal path, utilizes described idle signal path to switch described signal source according to described signal source switching command, and keeps the transmission of signal in working signal path.
8. signal source switched system according to claim 7, is characterized in that, described acquisition module is further used for:
Obtain in splicing display device and show working signal path used, current demand signal source;
Set up operating path list, respectively by working signal path, each road stored in described operating path list;
Obtain from the signal path of splicing display device not at the signal path of described operating path list, obtain idle signal path.
9. signal source switched system according to claim 8, is characterized in that, also comprises before described handover module:
First sets up module, for setting up idle route list;
Stored in module, for by described idle signal path stored in described idle route list.
10. signal source switched system according to claim 8, is characterized in that, also comprises before described handover module:
Second sets up module, for setting up signal path list according to the signal path of splicing display device;
Comparing module, for signal path list described in comparison and working signal path, if described signal path list is consistent with working signal path, then in described working signal path, choose the working signal path of default way, and the working signal path selected by closing, obtain idle signal path.
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| CN201510719038.9A CN105338260B (en) | 2015-10-28 | 2015-10-28 | Signal source switch method and system |
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| CN201510719038.9A CN105338260B (en) | 2015-10-28 | 2015-10-28 | Signal source switch method and system |
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| 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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