CN108566522A - A kind of multi-channel video director system and method - Google Patents
A kind of multi-channel video director system and method Download PDFInfo
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- CN108566522A CN108566522A CN201810263229.2A CN201810263229A CN108566522A CN 108566522 A CN108566522 A CN 108566522A CN 201810263229 A CN201810263229 A CN 201810263229A CN 108566522 A CN108566522 A CN 108566522A
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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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- 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
-
- 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
- H04N5/265—Mixing
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Studio Circuits (AREA)
Abstract
The invention discloses a kind of multi-channel video director system and methods, are used for video guide field.System provided by the invention includes：Video converter, differential video matrix, video fusion machine, control software, wherein the video converter, the difference video signal for the vision signal of input to be all converted to rgb format, and it is output to the differential video matrix；The differential video matrix, the difference video signal for receiving the input of the roads m, and the roads n signal is selected to export, the selection course is controlled by the control software；The video fusion machine for splicing the roads n signal, and receives the control software control；The control software, for differential video matrix and the video fusion machine described in remote control.The present invention is by way of software and hardware combining so that user can control difference matrix as desired by software, can simplify operation, while pure hardware handles can improve processing speed, eliminate delayed impact.
Description
Technical field
The present invention relates to field of video processing more particularly to a kind of multi-channel video director system and methods
Background technology
With the progress of science and technology, multi-functional screen display technology is in the scenes such as command centre, large conference room
Play increasingly important role.Since the source video sequence of access is different, content is extensive, by these complicated finish messages with
Just it shows, needs costly energy, still more, also to show figure, word, windows display etc., at this moment just need
Use video guide's technology.
Currently, frequently with video guide's technology have instructor in broadcasting realized by Software Coding, since software instructor in broadcasting is by video
Digital signal is converted in advance, and such propagation distance is limited, and switch speed has delay；For the pure hardware handles mode of tradition,
Operate it is complex, it is inconvenient for use.
So, it is necessary to propose a kind of director system handling fast transmission range length.
Invention content
An embodiment of the present invention provides a kind of multi-channel video director system and methods, can not for solving existing instructor in broadcasting's technology
Carry out long distance transmission, problem complicated for operation.
In a first aspect, a kind of multi-channel video director system is provided, including：Video converter, differential video matrix, video
Fusion machine, control software, the video converter are connect with the differential video matrix, the differential video matrix connection and institute
The connection of video fusion machine is stated, the control software is connected with the differential video matrix, the video fusion machine respectively, wherein
The video converter, the difference video signal for the vision signal of input to be all converted to rgb format, and
It is output to the differential video matrix；
The differential video matrix, the difference video signal for receiving the input of the roads m, and the roads n signal is selected to export,
The selection course is controlled by the control software, and described m, n are preset positive integer, and m>n；
The video fusion machine for splicing the roads n signal, and receives the control software control；
The control software, for differential video matrix and the video fusion machine described in remote control.
Second aspect provides a kind of multi-channel video director method, including：
Incoming video is changed to the difference video signal of rgb format；
The difference video signal of the roads m input is received, and the roads n signal is selected to export, the selection course passes through software
Control, described m, n are preset positive integer, and m>n；；
The roads the n signal received is acquired, by the vision signal anastomosing and splicing of acquisition, will pass through projecting apparatus
It is shipped to screen.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages：
In the embodiment of the present invention, vision signal, which is converted to rgb format differential signal, can enhance signal anti-interference ability,
By way of software and hardware combining, processing speed is slow when overcoming software processing, there are problems that delay so that user can root
According to needing to control difference matrix by software, can simplify operation, while pure hardware handles can improve processing speed, elimination postpones
It influences.
Description of the drawings
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description be only the present invention some
Embodiment for those of ordinary skill in the art without having to pay creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the structural schematic diagram for the multi-channel video director system that the embodiment of the present invention one provides；
Fig. 2 is the principle schematic of control software provided by Embodiment 2 of the present invention
Fig. 3 is the flow diagram for the multi-channel video director method that the embodiment of the present invention three provides；
Specific implementation mode
An embodiment of the present invention provides a kind of multi-channel video director system and methods, are used for video guide
In order to make the invention's purpose, features and advantages of the invention more obvious and easy to understand, below in conjunction with the present invention
Attached drawing in embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that disclosed below
Embodiment be only a part of the embodiment of the present invention, and not all embodiment.Based on the embodiments of the present invention, this field
All other embodiment that those of ordinary skill is obtained without making creative work, belongs to protection of the present invention
Range.
Embodiment one：
Referring to Fig. 1, the structural schematic diagram of multi-channel video director system provided in an embodiment of the present invention：
The multi-channel video director system includes：Video converter 110, differential video matrix 120, video fusion machine 130,
Control software 140, the video converter 110 are connect with the differential video matrix 120, the differential video matrix 120 with
The video fusion machine 130 connects, the control software 140 respectively with the differential video matrix 120, the video fusion machine
130 connections, wherein
The video converter 110, the differential video for the vision signal of input to be all converted to rgb format are believed
Number.Specifically, the video converter 110 receives the vision signal of the various formats of input, such as DVI, VGA etc. is united
One is converted to DRGB formats.
Optionally, the video converter 110 can convert two-path video signal simultaneously
The differential video matrix 120, the difference video signal for receiving the input of the roads m, and select the roads n signal defeated
Go out, the selection course controls 140 by software, and described m, n are preset positive integer, and m>n；
Preferably, the differential video matrix 120 can receive the RGBHV classes of 24 road DRGB difference video signals and 8 tunnels
Type video signal source, and 8 road RGBHV vision signals or 4 road RGBHV of output and 4 road DRGB videos can be exported.Meanwhile difference
Video matrix 120 can connect all kinds of generic display devices, can transmit various high resolution computer vision signals.
The differential video matrix 120 provides standard serial port adjustment mode, can be to independent per difference video signal all the way
It adjusts, and gets off to memory storage can be formed after being adjusted per video all the way.
The video fusion machine 130, for splicing the roads n signal；
The video fusion machine 130 further includes：The roads n signal is spliced into the picture of 5760x1080, then by the picture
Face is divided, and the signal after segmentation is transmitted to projector.
Preferably, the video fusion machine 130 can support 6 full HD input channels and 6 full HD output channels.
The control software 140, for differential video matrix 120 and the video fusion 130 described in remote control.
Optionally, the control software 140 is connect by serial ports with differential video matrix 120, and the control software 140 is logical
Network is crossed to connect with the machine 130 that merges.
The control software 140 can send video switching command to control differential video matrix 120 by network communication
Control terminal, control video switching, or video switching matrix is directly controlled by serial ports.
Preferably, the control software includes the client being mounted in terminal.
In embodiments of the present invention, differential video matrix and video fusion machine are controlled by software, and combines hardware handles
Vision signal can realize to differential video matrix per control all the way both solved the delay issue of pure software coding, while energy
Strengthen the anti-interference ability of vision signal, simplify operation, enhancing is intelligent.
Embodiment two：
For ease of understanding, control software concrete application will be described below：
Fig. 2 shows the principle schematic of control software, the differential video matrix majorization server 220 is for controlling square
Battle array switching, the video fusion machine server 230 is for controlling video fusion and display.
The control software 210 can control differential video matrix server 220 by network remote, by network communication to
Differential video matrix server 220 sends switching command, after the differential video matrix server 220 receives instruction, control
Matrix switcher switches over.
Optionally, operation directly locally can also be carried out to matrix switcher and switch over operation by serial ports.
The control software 210 is sent fusion to video fusion machine server 230 and is referred to by network telecommunication
It enables, to determine projection display contents.
Preferably, the differential video matrix server 220 can login video fusion machine server as client
230, the fusion and segmentation of the video fusion machine server 230 are controlled, and then determine projection display contents.
Preferably, each control instruction of the control software 210 can be saved, and can be accustomed to shape according to user
At operational order collection.
Further, the differential video matrix server 220 includes：Reception network message order, progress Inverse problem,
Control the function modules such as each sub-matrix.
Differential video matrix carries out cascade by video switcher and forms, and logically dividing elements are sub-matrix, individually
It is controlled by corresponding sub-matrix software management.
Further, the video fusion machine 230 includes：The functions such as customer in response end, management Debugging message, video switching
Module.
Above by fusion machine server, the difference matrix server of foundation, so that control software controls, can realize remote
Process control, and operation can be simplified, improve efficiency.
Embodiment three：
A kind of multi-channel video director system is essentially described above, a kind of multi-channel video director method will be carried out below detailed
Thin description.
Fig. 3 shows the flow diagram of a multi-channel video director method provided in an embodiment of the present invention, including：
S301, the difference video signal that incoming video is changed to rgb format.
The incoming video refers to that the video of the various formation acquired by camera, the video can be various types of
Other format, such as VGA, DVI, HDMI etc., optionally, the incoming video can also be animation, cardon, picture of making etc.
The video file that can be exported with video format.Incoming vision signal can by dedicated video terminal, i.e. video converter,
Signal is uniformly converted into RGB row field sync signal, reconvert is believed at special DRGB formats, the differential video of DRGB formats
Number be conducive to be transmitted at a distance.
S302, the difference video signal for receiving the input of the roads m, and the roads n signal is selected to export, the selection course is led to
Software control is crossed, described m, n are preset positive integer, and m>n.
All difference video signals are transmitted to video matrix switcher, are cascaded to video matrix switcher, are formed
Differential video matrix, the method switched by array, by the arbitrarily output of the roads m vision signal, to the roads n monitoring device, wherein m, n is equal
For preset positive integer, and m>n.
S303, the roads the n signal received is acquired, by the vision signal anastomosing and splicing of acquisition, will pass through
Projecting apparatus is shipped to screen.
The output of top video matrix switcher is linked into video fusion processor, video fusion processor passes through acquisition
Multi-channel video, is spliced into the picture of superelevation rate respectively by data, then carries out seamless segmentation, and the picture after segmentation is transmitted to
Projector, to project.
In embodiments of the present invention, video frequency signal processing is carried out by hardware, while controls Inverse problem by software, regards
Frequency merges, and can overcome the problems, such as that traditional software processing has delay, speed up processing simplifies operation.
It should be understood that the size of the serial number of each step is not meant that the order of the execution order in above-described embodiment, each process
Execution sequence should be determined by its function and internal logic, the implementation process without coping with the embodiment of the present invention constitutes any limit
It is fixed.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in detail or remembers in some embodiment
The part of load may refer to the associated description of other embodiments.
Those of ordinary skill in the art may realize that each embodiment described in conjunction with the examples disclosed in this document
Module, unit and/or method and step can be realized with the combination of electronic hardware or computer software and electronic hardware.This
A little functions are implemented in hardware or software actually, depend on the specific application and design constraint of technical solution.Specially
Industry technical staff can use different methods to achieve the described function each specific application, but this realization is not
It is considered as beyond the scope of this invention.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be the indirect coupling by some interfaces, device or unit
It closes or communicates to connect, can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can be stored in a computer read/write memory medium.Based on this understanding, the present invention realizes above-described embodiment side
All or part of flow in method can also instruct relevant hardware to complete, the computer by computer program
Program can be stored in a computer readable storage medium, and the computer program is when being executed by processor, it can be achieved that above-mentioned each
The step of a embodiment of the method..Wherein, the computer program includes computer program code, the computer program code
Can be source code form, object identification code form, executable file or certain intermediate forms etc..The computer-readable medium can
To include：Can carry the computer program code any entity or device, recording medium, USB flash disk, mobile hard disk, magnetic disc,
CD, computer storage, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random
Access Memory), electric carrier signal, telecommunication signal and software distribution medium etc..It should be noted that the computer
The content that readable medium includes can carry out increase and decrease appropriate according to legislation in jurisdiction and the requirement of patent practice, such as
In certain jurisdictions, according to legislation and patent practice, computer-readable medium does not include electric carrier signal and telecommunication signal.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to before
Stating embodiment, invention is explained in detail, it will be understood by those of ordinary skill in the art that：It still can be to preceding
The technical solution recorded in each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
Modification or replacement, the spirit and scope for various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution.
Claims (6)
1. a kind of multi-channel video director system, which is characterized in that including：Video converter, differential video matrix, video fusion
Machine, control software, the video converter are connect with the differential video matrix, and the differential video matrix connection is regarded with described
Frequency fusion machine connection, the control software are connected with the differential video matrix, the video fusion machine respectively, wherein
The video converter, the difference video signal for the vision signal of input to be all converted to rgb format, and export
To the differential video matrix；
The differential video matrix, the difference video signal for receiving the input of the roads m, and the roads n signal is selected to export, it is described
Selection course is controlled by the control software, and described m, n are preset positive integer, and m>n；
The video fusion machine for splicing the roads n signal, and receives the control software control；
The control software, for differential video matrix and the video fusion machine described in remote control.
2. according to the method described in claim 1, it is characterized in that, the video converter can convert two-path video letter simultaneously
Number.
3. according to the method described in claim 1, it is characterized in that, the differential video matrix provides standard serial port adjustment side
Formula, can be to individually adjusting per difference video signal all the way.
4. according to the method described in claim 1, it is characterized in that, the video fusion machine further includes：The roads n signal is spelled
It is connected in the picture of 5760x1080, then the picture is divided, and the signal after segmentation is transmitted to projecting apparatus.
5. according to the method described in claim 1, it is characterized in that, the control software is connect by serial ports with difference matrix,
The control software merges machine connection by network with described.
6. a kind of multi-channel video director method, which is characterized in that including：
Incoming video is changed to the difference video signal of rgb format；
The difference video signal of the roads m input is received, and the roads n signal is selected to export, the selection course is controlled by software,
Described m, n are preset positive integer, and m>n；；
The roads the n signal received is acquired, by the vision signal anastomosing and splicing of acquisition, will pass through projecting apparatus delivery
To screen.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810263229.2A CN108566522A (en) | 2018-03-28 | 2018-03-28 | A kind of multi-channel video director system and method |
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| CN201810263229.2A CN108566522A (en) | 2018-03-28 | 2018-03-28 | A kind of multi-channel video director system and method |
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