CN106952609A - Display system and displaying screen controller - Google Patents
Display system and displaying screen controller Download PDFInfo
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- CN106952609A CN106952609A CN201710245159.3A CN201710245159A CN106952609A CN 106952609 A CN106952609 A CN 106952609A CN 201710245159 A CN201710245159 A CN 201710245159A CN 106952609 A CN106952609 A CN 106952609A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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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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- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Controls And Circuits For Display Device (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The embodiment of the invention discloses a kind of display system, including display screen and single display screen controller, the single display screen controller is provided with multi-channel video input interface and multi-channel video output interface, and the display screen connects the multi-channel video output interface；The single display screen controller is configured to select at least part input source from the multichannel input source of multi-channel video input interface input, carries out image real time transfer at least part input source and export view data after the corresponding processing of at least part input source to display screen progress picture by the multi-channel video output interface to show.In addition, the embodiment of the invention also discloses a kind of structure of displaying screen controller.
Description
Technical field
The present invention relates to display control technology field, more particularly to a kind of display system and a kind of displaying screen controller.
Background technology
In existing LED display control system, a displaying screen controller with sending card function really goes up screen display
The video source shown can only be that optional one from input source, i.e., one displaying screen controller with sending card function can only corresponding position
The view data of an input source is managed, the output network interface of respective bandwidth is then assigned to.Typically, differentiated to realize that band carries super large
Rate LED display is, it is necessary to using many displaying screen controllers with sending card function, and each with carrying one of LED display
Divide and the band load area size of each must be able to assign to multichannel such as four road networks mouthful provisioned in it and can not exceed network interface
Load capacity.Therefore, in process of the present invention is realized, inventor has found that at least there are the following problems in the prior art：Live frame
Structure is complicated and hardware cost is high.
The content of the invention
Embodiments of the invention provide a kind of display system and a kind of displaying screen controller, solve live framework it is complicated and
The problem of hardware cost is high, realizes the effect for simplifying hardware structure and reduction user's hardware cost.
On the one hand there is provided a kind of display system, including：Display screen and single display screen controller, the single display
Screen controller is provided with multi-channel video input interface and multi-channel video output interface, and it is defeated that the display screen connects the multi-channel video
Outgoing interface；The single display screen controller is configured to select from the multichannel input source of multi-channel video input interface input
Select at least part input source, image real time transfer carried out at least part input source and by least part input source
View data is exported to display screen progress picture by the multi-channel video output interface and shown after corresponding processing；Wherein
At least part input source is at least two-way in the multichannel input source.
On the other hand there is provided a kind of displaying screen controller, including：Multi-channel video input interface, multi-channel video output connect
Mouth and PLD.PLD is connected to the multi-channel video input interface and the multi-channel video
Between output interface；PLD is configured to select from the multichannel input source of multi-channel video input interface input
At least part input source, carry out at least part input source image real time transfer and by least part input source pair
View data is exported by the multi-channel video output interface after the processing answered；Wherein described at least part input source is described many
At least two-way in the input source of road.
Another further aspect there is provided a kind of displaying screen controller, including：Multi-channel video input interface, multi-channel video output connect
Mouth, PLD and multichannel video decoding chip.The multichannel video decoding chip connects the multichannel and regarded respectively
Frequency input interface and the input side for being connected to the same PLD, the multi-channel video output interface are connected to
The outlet side of the same PLD.
A technical scheme in above-mentioned technical proposal has the following advantages that or beneficial effect：Due to displaying screen controller quilt
It is configured to that simultaneous selection at least two-way input source is handled and upper screen is shown, therefore displaying screen controller can be reduced
Quantity, reduction system connects complexity, improves shared resource utilization rate to avoid hardware resource waste and reduction hardware plan
Cost；Furthermore for the situation of many motors control device is used in the prior art, it can be realized using single display screen controller
The synchronization of super large display screen regulation；And multi-channel video output interface can be distributed freely, substantially not by display screen connected mode
Influence, system flexibility is high.
Another technical scheme in above-mentioned technical proposal has the following advantages that or beneficial effect：Due to displaying screen controller
In multi-channel video input interface and multichannel video decoding chip be connected to the input side of same PLD, it has
Carry out image real time transfer beneficial to simultaneous selection multichannel input source and can freely distribute video frequency output when view data is exported to connect
Mouth carries out view data output, thus can improve shared resource utilization rate to avoid hardware resource waste and reduction hardware side
Case cost, system flexibility are high.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to that will use needed for embodiment description
Accompanying drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill of field, on the premise of not paying creative work, it can also obtain other according to these accompanying drawings
Accompanying drawing.
Fig. 1 be first embodiment of the invention in display system configuration diagram；
Fig. 2 be second embodiment of the invention in display system configuration diagram；
Fig. 3 be third embodiment of the invention in display system configuration diagram；
Fig. 4 be fourth embodiment of the invention in display system configuration diagram；
Fig. 5 be fifth embodiment of the invention in display system configuration diagram；
Fig. 6 be sixth embodiment of the invention in displaying screen controller structural representation；
Fig. 7 be seventh embodiment of the invention in displaying screen controller structural representation；
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
First embodiment
As shown in figure 1, a kind of display system 10 provided in first embodiment of the invention, including：Single display screen is controlled
Device 11 and display screen 13.Wherein, displaying screen controller 11 is provided with N roads video input interface and M roads video output interface, N, M
It is the positive integer more than 1.The connection M of display screen 13 roads video output interface.Displaying screen controller 11 is configured to from N roads video
At least part input source is selected in the N roads input source of input interface input, view data is carried out at least part input source
Processing and by view data after the corresponding processing of at least part input source by M roads video output interface export to
Display screen 13 carries out picture and shown；Wherein described at least part input source is at least two-way in the input source of the N roads.
In the first embodiment of the invention, due to displaying screen controller 11, to be configured to simultaneous selection at least two-way defeated
Enter source progress image real time transfer and upper screen is shown, therefore the quantity of displaying screen controller can be reduced, reduction system connection is multiple
It is miscellaneous to spend, improve shared resource utilization rate to avoid hardware resource waste and reduction hardware plan cost；Furthermore relative to existing
For the situation that many motors control device is used in technology, the same of super large display screen regulation can be realized using single display screen controller 11
Step；And M roads video output interface can freely distribute connection, not influenceed substantially by display screen connected mode, system flexibility
It is high.
Second embodiment
As shown in Fig. 2 a kind of display system 20 provided in second embodiment of the invention, including：Single display screen is controlled
Device 21, LED display 23, video source 25 and Video segmentation device 27.
Wherein, displaying screen controller 21 is provided with N roads video input interface and M roads video output interface, and N, M, which are, to be more than
1 positive integer.N roads video input interface herein can be it is various numeral and/or analog video interface, such as DVI interface,
HDMI etc.；M roads video output interface is typically network interface, but the present invention is not limited thereto.The quilt of displaying screen controller 21
The selection from N roads video input interface synchronously the N roads input source of input is configured to fully enter source, enter selected input source
Row image real time transfer and view data after the corresponding processing of selected input source is passed through into M roads video output interface
Output to LED display 23 carries out picture and shown.
The connection M of LED display 23 roads video output interface, it for example receives card including many concatenations and each concatenation is received card and included
Multiple of cascade receive card 231；The M roads video frequency output that wherein described many concatenation receipts cards connect displaying screen controller 21 respectively connects
Mouthful.Herein, it is to be understood that single concatenation receipts card is not limited to include shown in Fig. 2 multiple reception cards of cascade, and it can be only
Card is received with one；LED display 23 is also not limited to connect all videos output interface of displaying screen controller 21, also may be used
Be only connect displaying screen controller 21 partial video output interface；Furthermore, LED display 21 is except including shown in Fig. 2
Many concatenations are received outside card, also including receiving multiple LED lamp panel (not shown) that cassette tape is carried, each LED lamp panel by many concatenations
On be provided with color LED and necessary line-scan circuit and column drive circuit as display pixel.
Video source 25 is connected to the input side of Video segmentation device 27, and N roads video input interface is connected to Video segmentation device 27
Outlet side.Herein, it is to be understood that all videos that Video segmentation device 27 is not limited to connect displaying screen controller 21 are defeated
Incoming interface or the partial video input interface for only connecting displaying screen controller 21.
In the present embodiment, the video pictures that Video segmentation device 27 is used to provide single video source 25 are divided into N blocks with shape
It is separately input into the N roads video input interface of displaying screen controller 21 into N roads input source, displaying screen controller 21 is from N roads video
Input interface input N roads input source in selection fully enter source, to selected N roads input source carry out image real time transfer with
And export view data after the corresponding processing of selected N roads input source to LED display 23 by M roads video output interface
Picture is carried out to show, thus the picture that LED display 23 is shown is to show that picture splicing is formed by the corresponding upper screen of N roads input source
Entire picture.
From the foregoing, it will be observed that in second embodiment of the invention, the portion of display is shielded on each road input source of displaying screen controller 21
Split screen is combined into entire picture, and final each road video output interface output band carries entire picture and is shown on LED display 23, this
The advantage of the scheme of kind is that can save the quantity of displaying screen controller and with the big picture of a width is carried, so as to realize with less display
Screen controller band carries the LED display of big resolution ratio or super large resolution ratio.
3rd embodiment
As shown in figure 3, a kind of display system 30 provided in third embodiment of the invention, including：Single display screen is controlled
Device 31, multiple LED displays 33, video source 35 and video distribution 39.
Wherein, displaying screen controller 31 is provided with N roads video input interface and M roads video output interface, and N, M, which are, to be more than
1 positive integer.N roads video input interface herein can be it is various numeral and/or analog video interface, such as DVI interface,
HDMI etc.；M roads video output interface is typically network interface, but the present invention is not limited thereto.The quilt of displaying screen controller 31
It is configured to from N roads video input interface synchronously the N roads input source of input selection at least part input source, to described at least part
Input source carries out image real time transfer and view data after the corresponding processing of at least part input source is passed through into the M roads
Video output interface is exported to multiple LED displays 33 progress picture and shown；Wherein described at least part input source is the N roads
At least two-way in input source.
The part in the video output interface of each LED display 33 connection M roads in multiple LED displays 33 is (for example
Two-way) video output interface.Single led display screen 33 for example including：A string or many concatenations receive card and each concatenation is received card and included
One reception blocks or multiple receptions of cascade block, and by described a string or concatenates the multiple LED lamp panels for receiving cassette tape load more, each
The color LED and necessary line-scan circuit and column drive circuit as display pixel are provided with individual LED lamp panel.
Video source 35 is connected to the input side of video distributor 39, and N roads video input interface is connected to video distributor 39
Outlet side.Herein it is understood that video distributor 39 is also not limited to connect all videos of displaying screen controller 31
Input interface or the partial video input interface for only connecting displaying screen controller 31.
In the present embodiment, many sources are entered in the video pictures progress one that video distributor 39 is used to provide single video source 35
Reason is connect with forming the N roads input source with same video content and being separately input into the N roads video input of displaying screen controller 31
Mouthful, selection fully enters source, to selected N in the N roads input source that displaying screen controller 31 is inputted from N roads video input interface
Road input source carries out image real time transfer and regards view data after the corresponding processing of selected N roads input source by M roads
Frequency output interface is exported to multiple (such as equal with input source quantity is N number of) LED displays 33 progress picture and shown.
From the foregoing, it will be observed that in third embodiment of the invention, screen display regards on each road input source of displaying screen controller 31
Frequency picture because come from same video source but identical, final multiple LED displays 33 show that same video source is corresponding
Video pictures, the advantage of this scheme is that can use displaying screen controller 30 as traditional many motors control device and can be with
Same video source 35 is shown using different LED displays 33, thus system connection complexity can be reduced, shared resource is improved
Utilization rate with avoid hardware resource waste and reduction hardware plan cost.
Fourth embodiment
As shown in figure 4, a kind of display system 40 provided in fourth embodiment of the invention, including：Single display screen is controlled
Device 41, multiple LED displays 43 and multipath video source 45.
Wherein, displaying screen controller 41 is provided with N roads video input interface and M roads video output interface, and N, M, which are, to be more than
1 positive integer.N roads video input interface herein can be it is various numeral and/or analog video interface, such as DVI interface,
HDMI etc.；M roads video output interface is typically network interface, but the present invention is not limited thereto.The quilt of displaying screen controller 41
It is configured to select at least part input source from the N roads input source of N roads video input interface input, described at least part is inputted
Source carries out image real time transfer and view data after the corresponding processing of at least part input source is passed through into M roads video
Output interface is exported to multiple LED displays 43 progress picture and shown；Wherein described at least part input source inputs for the N roads
At least two-way in source.
The part in the video output interface of each LED display 43 connection M roads in multiple LED displays 43 is (for example
All the way or two-way even more multichannel) video output interface.Single led display screen 43 for example including：A string or many concatenations receive card and
Each concatenation, which receives card, to be included one and receives multiple of card or cascade receiving card, and by described a string or many concatenations receive cassette tape load
The color LED and necessary line-scan circuit and row as display pixel are provided with multiple LED lamp panels, each LED lamp panel
Drive circuit.
Multipath video source 45 connects the N roads video input interface of displaying screen controller 41 respectively, with to displaying screen controller
41 provide N roads input source.Herein it is understood that per video source 45 all the way correspondence all the way video input interface or
In multipath video source 45 certain all the way video source 45 (such as by video distributor or Video segmentation device) correspondence multi-channel video it is defeated
Incoming interface, as long as multipath video source can be provided to displaying screen controller 41.
In the present embodiment, multipath video source 45 provides N roads input source and inputted to the N roads video of displaying screen controller 41 jointly
Selection fully enters source, to institute in input interface, the N roads input source that displaying screen controller 41 is inputted from N roads video input interface
The N roads input source of selection carries out image real time transfer and leads to view data after the corresponding processing of selected N roads input source
Cross M roads video output interface export to multiple (such as equal with the quantity of video source 45) LED displays 43 carry out picture show.
From the foregoing, it will be observed that in fourth embodiment of the invention, multiple LED displays 43 are shown corresponding to different video source 45
Video pictures, and each video source 45 provided to the step that should not be sought common ground between each input source of displaying screen controller 41；This side
The advantage of case is that displaying screen controller 40 can be used and can shown using different LED as traditional many motors control device
Display screen 43 shows different video sources 45, thus can reduce system connection complexity, improve shared resource utilization rate to avoid
Hardware resource waste and reduction hardware plan cost.
5th embodiment
As shown in figure 5, a kind of display system 50 provided in fifth embodiment of the invention, including：Single display screen is controlled
Device 51 and a LED display 53.
Wherein, displaying screen controller 51 is provided with N roads video input interface and M roads video output interface, and N, M, which are, to be more than
1 positive integer.N roads video input interface herein can be it is various numeral and/or analog video interface, such as DVI interface,
HDMI etc.；M roads video output interface is typically network interface, but the present invention is not limited thereto.The quilt of displaying screen controller 51
It is configured to from N roads video input interface synchronously the N roads input source of input selected section input source, the part input source is entered
Row image real time transfer and view data after the corresponding processing of the part input source is passed through into M roads video output interface
Output to LED display 53 carries out picture and shown；Wherein described part input source is at least two-way in the input source of the N roads.
The connection M of LED display 53 roads video output interface, it for example receives card including many concatenations and each concatenation is received card and included
Multiple of cascade receive card 531；First of each of which concatenation receipts card receives card and the last receives card and connects aobvious respectively
Two-path video output interface in the M roads video output interface of display screen controller 51, such as video output interface 1 and video frequency output
Interface 2, or video output interface M-1 and video output interface M.Output backup is thus achieved that, for example video is defeated
Outgoing interface 1 is configured to master control video output interface and video output interface 2 is configured to backup video output interface, similarly, depending on
Frequency output interface M-1 is configured to master control video output interface and video output interface M is configured to backup video output interface.Separately
Outside, it is to be understood that single concatenation receipts card is not limited to include shown in Fig. 5 multiple reception cards of cascade, and it can only be had
One receives card；LED display 53 be also not limited to connect displaying screen controller 51 all videos output interface or
Only connect the partial video output interface of displaying screen controller 51；Furthermore, LED display 51 is except including many strings shown in Fig. 5
Receive outside card, also set including being received by many concatenations in multiple LED lamp panel (not shown) that cassette tape is carried, each LED lamp panel
It is equipped with the color LED and necessary line-scan circuit and column drive circuit as display pixel.
In addition, can also be learnt from Fig. 5, N roads video input interface includes the master control video input interface being organized in pairs
Receive identical input source with backup video input interface, such as video input interface 1 as master control video input interface and
Video input interface 2 is used as backup video input interface, and similarly, video input interface N-1 is used as master control video input interface
And video input interface N is as backup video input interface, so as to realize input Source backups.
From the foregoing, it will be observed that in fifth embodiment of the invention, when displaying screen controller 51 is with a LED display 53 is carried,
The picture that input source can carry out shielding on backup input and multiple different input sources display can be combined into entire picture, video frequency output
Interface final output is shown on LED display 53；The advantage of this scheme is that can be backuped even between input source
Backuped between different video output interface, so as to realize the dual backup of input and output.
Sixth embodiment
As shown in fig. 6, a kind of displaying screen controller 61 provided in sixth embodiment of the invention, including：N roads video input
Interface, M roads video output interface, PLD 611 and multichannel video decoding chip 613；Wherein N, M are more than 1
Positive integer.
Hold above-mentioned, N roads video input interface be, for example, it is various numeral and/or analog video interface, such as DVI interface,
HDMI etc.；M roads video output interface is typically network interface, but the present invention is not limited thereto.N roads video input interface point
The multichannel video decoding chip 613 is not connected and the multichannel video decoding chip 613 is connected to PLD 611
Input side, M roads video output interface is connected to the outlet side of PLD 611.Furthermore, PLD
611 be configured to the multichannel input source that is inputted from N roads video input interface in selection at least part input source, to described at least part
Input source carries out image real time transfer and view data after the corresponding processing of at least part input source is passed through into the M roads
Part or all of video output interface output in video output interface.Preferably, the PLD 611 of the present embodiment
For individual devices, such as single FPGA (Field Programmable Gate Array, field programmable gate array) device,
It is conducive to the independent assortment of M roads video output interface to distribute connection, only need to ensure that single channel video output interface network interface is only distributed
Used to an input source without being shared for multiple input sources.
In addition, the N roads video input interface of the present embodiment can also carry out configuration as shown in Figure 5, also i.e. by N roads video
A part in input interface is configured to master control video input interface and another part is configured to backup video input interface, and then
Realize input Source backups.So, there is exception in path where master control video input interface, can automatically switch to backup
Normal work is continued in path where video input interface.Further, output backup can also be realized, is also that M roads video is defeated
A part in outgoing interface is configured to master control video output interface and another part is configured to backup video output interface.This implementation
Example, can effective lifting system job stability by realizing that input Source backups and/or output are backed up.
7th embodiment
As shown in fig. 7, a kind of displaying screen controller 71 provided in seventh embodiment of the invention, including：N roads video input
Interface, M road networks mouthful, PLD 711 and multichannel video decoding chip 713 and multichannel PHY chip 715；Wherein N, M are equal
For the positive integer more than 1.
Hold above-mentioned, N roads video input interface be, for example, it is various numeral and/or analog video interface, such as DVI interface,
HDMI etc.；M road networks mouthful are as M roads video output interface, and it can also be substituted for other interfaces such as optical fiber interface.N roads
Video input interface connects the multichannel video decoding chip 713 respectively and the multichannel video decoding chip 713 be connected to can
The input side of programmed logic device 711, M road networks mouthful are connected to PLD 711 by the multichannel PHY chip 715
Outlet side, the interface between PLD 711 and PHY chip 715 for example supports SGMII (Serial Gigabit
Media Independent Interface, Serial Gigabit Media Independent Interface) and RGMII (Reduced Gigabit
Media Independent Interface, simplified Gigabit Media stand-alone interface).Furthermore, PLD 711
It is selection at least part input source in being configured to the multichannel input source that is inputted from N roads video input interface, defeated to described at least part
Enter source to carry out image real time transfer and view data after the corresponding processing of at least part input source is passed through into the multichannel
The part or all of outgoing route output that PHY chip 715 and M road networks mouth are formed.Preferably, the FPGA of the present embodiment
Device 711 be individual devices, such as single FPGA device, it is conducive to the independent assortment of M roads video output interface to distribute.
In addition, the N roads video input interface of the present embodiment can also carry out configuration as shown in Figure 5, also i.e. by N roads video
A part in input interface is configured to master control video input interface and another part is configured to backup video input interface, and then
Realize input Source backups.So, there is exception in path where master control video input interface, can automatically switch to backup
Normal work is continued in path where video input interface.Further, output backup can also be further realized, also i.e. by M roads
A part in video output interface is configured to master control video output interface and another part is configured to backup video output interface.
The present embodiment, can effective lifting system job stability by realizing that input Source backups and/or output are backed up.
Finally it is worth mentioning that the displaying screen controller 61 and 71 shown in, Fig. 6 and Fig. 7 can be applied to Fig. 1 to Fig. 5 institutes
In the display system 10,20,30,40 and 50 shown or other suitable display systems.In addition, the display screen control shown in Fig. 6 and Fig. 7
PLD 611,711 in device 61 and 71 processed is not limited to only with individual devices such as single FPGA device,
The behaviour of the image procossing between these FPGA can be coordinated using multiple FPGA devices and one master controller such as MCU of configuration
Make, although simply this kind of alternative equally can have reduce displaying screen controller quantity, reduction system connection complexity,
The advantages of shared resource utilization rate is improved to avoid hardware resource waste and reduction hardware plan cost, but it does not utilize many
Road video output interface freely distributes connection, and system flexibility is relative to the feelings using individual devices such as single FPGA device
It is poor for shape.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method can be with
Realize by another way.For example, device embodiment described above is only schematical, for example, the unit
Divide, only a kind of division of logic function there can be other dividing mode when actually realizing, such as multiple units or component
Another system can be combined or be desirably integrated into, or some features can be ignored, or do not perform.It is another, it is shown or
The coupling each other discussed or direct-coupling or communication connection can be the indirect couplings of device or unit by some interfaces
Close or communicate to connect, can be electrical, machinery or other forms.
The unit illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or to which part technical characteristic progress equivalent；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (14)
1. a kind of display system, including display screen；Characterized in that, also including：Single display screen controller, the single display
Screen controller is provided with multi-channel video input interface and multi-channel video output interface, and it is defeated that the display screen connects the multi-channel video
Outgoing interface；The single display screen controller is configured to select from the multichannel input source of multi-channel video input interface input
Select at least part input source, image real time transfer carried out at least part input source and by least part input source
View data is exported to display screen progress picture by the multi-channel video output interface and shown after corresponding processing；Wherein
At least part input source is at least two-way in the multichannel input source.
2. display system according to claim 1, it is characterised in that also include：Video source and Video segmentation device, it is described to regard
Frequency source is connected to the input side of the Video segmentation device, and the multi-channel video input interface is connected to the defeated of the Video segmentation device
Go out side synchronously to receive the multichannel input source from the Video segmentation device respectively；The display screen is a LED display, is used
To show by the entire picture of the corresponding picture splicing of the multichannel input source.
3. display system according to claim 1, it is characterised in that also include：Video source and video distributor, it is described to regard
Frequency source is connected to the input side of the video distributor, and the multi-channel video input interface is connected to the defeated of the video distributor
Go out side to receive the multichannel input source from the video distributor respectively；The display screen is multiple LED displays, and each
Individual LED display connects the partial video output interface in the multiple video output interface to show that input source is corresponding all the way
Video pictures show identical video pictures so as to the multiple LED display.
4. display system according to claim 1, it is characterised in that also include：Multipath video source, the multipath video source
The multi-channel video input interface is connected respectively to provide the multichannel input source to the single display screen controller；It is described aobvious
Display screen is multiple LED displays, and each LED display connects the partial video output in the multiple video output interface
Interface is to show the corresponding video pictures of video source all the way so that the multiple LED display shows different video pictures.
5. display system according to claim 1, it is characterised in that the multi-channel video input interface is included to receive
The master control video input interface and backup video input interface of identical input source, to realize input Source backups.
6. display system according to claim 1, it is characterised in that the multi-channel video output interface includes being organized in pairs
Master control video output interface and backup video output interface, with realize output back up.
7. display system according to claim 1, it is characterised in that the single display screen controller is also regarded including multichannel
Frequency decoding chip and PLD；The multichannel video decoding chip connect respectively the multi-channel video input interface and
Be connected to the input side of the same PLD, the multi-channel video output interface be connected to it is same it is described can
The outlet side of programmed logic device.
8. a kind of displaying screen controller, including multi-channel video input interface and multi-channel video output interface；Characterized in that, also wrapping
Include：PLD, is connected between the multi-channel video input interface and the multi-channel video output interface；It is described can
Programmed logic device be configured to the multichannel input source that is inputted from the multi-channel video input interface in selection at least part input source,
Image real time transfer is carried out at least part input source and by image after the corresponding processing of at least part input source
Data are exported by the multi-channel video output interface；Wherein described at least part input source be the multichannel input source in extremely
Few two-way.
9. displaying screen controller according to claim 8, it is characterised in that also include：Multichannel PHY chip；The multichannel
Video output interface is multi-path network port, and the PLD is single FPGA device；The multi-path network port passes through respectively
The multichannel PHY chip is connected to the single FPGA device.
10. displaying screen controller according to claim 8, it is characterised in that one in the multi-channel video input interface
Part is configured to master control video input interface and another part is configured to backup video input interface.
11. a kind of displaying screen controller, including multi-channel video input interface and multi-channel video output interface；Characterized in that, also
Including：PLD and multichannel video decoding chip；The multichannel video decoding chip connects the multichannel and regarded respectively
Frequency input interface and the input side for being connected to the same PLD, the multi-channel video output interface are connected to
The outlet side of the same PLD.
12. displaying screen controller according to claim 11, it is characterised in that one in the multi-channel video input interface
Part is configured to master control video input interface and another part is configured to backup video input interface.
13. displaying screen controller according to claim 12, it is characterised in that one in the multi-channel video output interface
Part is configured to master control video output interface and another part is configured to backup video output interface.
14. the displaying screen controller according to claim 11-13 any one, it is characterised in that also include：Multichannel PHY
Chip；The multi-channel video output interface is multi-path network port；The multi-path network port connects same by the multichannel PHY chip respectively
One PLD.
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