CN105306838B - The switching method and switching device of video input/output signal channel - Google Patents
The switching method and switching device of video input/output signal channel Download PDFInfo
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- CN105306838B CN105306838B CN201510882453.6A CN201510882453A CN105306838B CN 105306838 B CN105306838 B CN 105306838B CN 201510882453 A CN201510882453 A CN 201510882453A CN 105306838 B CN105306838 B CN 105306838B
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Abstract
The invention discloses a kind of switching methods and switching device of video input/output signal channel, wherein this method includes at least：Step 1：It receives user and video input signals source is switched into the order that N videos handle any video output signals channel of transmission device from any video input signals channel of the first video processing transmission device；Step 2：Logical mappings relationship is arranged to the respective video input signals channel of N number of video processing transmission device and video output signals channel；Step 3：It calculates including connection path and equipment corresponding with connection path connects the set of number；Step 4：When there is most short connection path in set, it is supplied to user to apply most short connection path, to realize the switching of video input/output signal channel.Through the invention, the technical issues of solving the calculation for how simplifying video input/output signal channel switching set-up mode and physical connection at least partly, and avoiding meaningless link cost.
Description
Technical field
The present embodiments relate to technical field of video processing, more particularly, to a kind of video input/output signal channel
Switching method and switching device.
Background technology
The up to videos such as several video montaging devices, matrix processing transmission is needed to set with output channel in video input signals source
In the standby application scenarios for participating in control, since input, the quantity of output signal channel are various, user is for input, output signal
The switching in channel and setting are very complicated, and need user between input signal source, output channel, video montaging device, matrix
Physical connection mode carry out complicated calculating, calculate the increase for considering not will also result in connection equipment cost entirely sometimes.
In view of this, special propose the present invention.
Invention content
The main purpose of the embodiment of the present invention is to provide a kind of switching method of video input/output signal channel,
Solves the calculating side for how simplifying video input/output signal channel switching set-up mode and physical connection at least partly
Formula, and the technical issues of avoid meaningless link cost.In addition, also providing a kind of cutting for video input/output signal channel
Changing device.
To achieve the goals above, according to an aspect of the invention, there is provided following technical scheme：
A kind of switching method of video input/output signal channel at least may include：
N number of video processing transmission device is respectively provided with video input/output signal channel, and video input signals source is connected to
The video input signals channel of the video processing transmission device, N number of video are cascaded between handling transmission device；Its
In, the N takes positive integer；
Step 1：Receive user any video of the video input signals source from the first video processing transmission device is defeated
Enter the order that signal path switches to any video output signals channel of N videos processing transmission device；
Step 2：According to the order, to N number of video processing respective video input signals channel of transmission device and
Logical mappings relationship is arranged in video output signals channel；
Step 3：Physical couplings and the logical mappings pass between transmission device are handled according to N number of video
System, calculates including connection path and equipment corresponding with the connection path connects the set of number；Wherein, the connection path
The path between transmission device is handled for N number of video；The equipment number that the equipment connection number is undergone by the connection path
The sum of；
Step 4：When there is most short connection path in the set, the most short connection path is supplied to the user
It is applied, to realize the switching of video input/output signal channel；Wherein, the most short connection path is minimum equipment
Connect the connection path corresponding to number.
In one embodiment, if the collection is combined into：Need to change the connection of the logical mappings relationship including user
The set of path and corresponding equipment connection number, wherein the connection path corresponding to minimum equipment connection number is to influence
Minimum connection path, then：
The step 4 further includes：
When most short connection path is not present in the set, but there is the connection path for influencing minimum, by the influence
Minimum connection path is supplied to the user to apply.
In one embodiment, if the collection is combined into：The connection path of modification physical couplings is needed including user
And the set of corresponding equipment connection number, wherein the connection path corresponding to minimum equipment connection number is most economical
Connection path, then：
The step 4 further includes：
When the connection path that most short connection path and influence minimum are not present in the set, but there are most economical connections
When path, it is supplied to the user to apply the most economical connection path.
In one embodiment, the equipment connection number is calculated in the step 3, is specifically included：
The quantity of the video processing transmission device arrived involved in the physical couplings is calculated, and carries out n times cycle meter
It calculates；
In each cycle calculations, number setting rule is connected according to equipment, progress is following to be judged：
If equipment connection number is less than just infinite, the equipment connection number and corresponding link road are recorded
Diameter；
If equipment connection number is equal to just infinite, judge whether that logical mappings relationship can be arranged；
If the logical mappings relationship can be arranged, equipment connection number is recalculated, is recalculated if described
Equipment connects number and is less than just infinite, then to be recalculated described in record equipment connection number；
If the logical mappings relationship cannot be arranged, it assumes that it can be connected between N number of video processing transmission device, and
Equipment connection number is recalculated, if the equipment connection number recalculated is less than just infinite, this is recorded and counts again
The equipment of calculation connects number.
In one embodiment, the equipment connection number setting rule is：
If N number of video processing transmission device can connect and the video input letter of N number of video processing transmission device
The logical mappings relationship in number channel and video output signals channel has been set, then equipment connection number is set as 1；
If N number of video processing transmission device cannot be connected or can be connected but N number of video handles regarding for transmission device
The logical mappings relationship in frequency input signal channel and video output signals channel is not arranged, then sets equipment connection number to
It is just infinite.
According to another aspect of the present invention, a kind of switching device of video input/output signal channel is additionally provided,
In, N number of video processing transmission device is respectively provided with video input/output signal channel, and video input signals source is connected to described
Video handles the video input signals channel of transmission device, is cascaded between N number of video processing transmission device；Wherein,
The N takes positive integer；
The device includes at least：
The video input signals source is handled transmission device by Order receiver module for receiving user from the first video
Any video input signals channel switches to the order in any video output signals channel of N videos processing transmission device；
Setup module, for according to the order, the respective video input signals of transmission device to be handled to N number of video
Logical mappings relationship is arranged in channel and video output signals channel；
Computing module, for handling physical couplings and the logic between transmission device according to N number of video
Mapping relations, calculate including connection path and equipment corresponding with the connection path connects the set of number；Wherein, the company
It is the path between N number of video processing transmission device to connect path；The equipment connection number is set by what the connection path was undergone
The sum of standby number；
Module is provided, for when there is most short connection path in the set, the most short connection path to be supplied to
The user applies, to realize the switching of video input/output signal channel；Wherein, the most short connection path is most
Connection path corresponding to small equipment connection number.
In one embodiment, the offer module is additionally operable to：
If the collection is combined into：Need to change the connection path of the logical mappings relationship and corresponding including user
Equipment connects the set of number, wherein and the connection path corresponding to minimum equipment connection number is to influence minimum connection path,
Then：
When most short connection path is not present in the set, but there is the connection path for influencing minimum, by the influence
Minimum connection path is supplied to the user to apply.
In one embodiment, the offer module is additionally operable to：
If the collection is combined into：It needs to change the connection path of physical couplings and corresponding equipment including user
Connect the set of number, wherein the connection path corresponding to minimum equipment connection number is most economical connection path, then：
When the connection path that most short connection path and influence minimum are not present in the set, but there are most economical connections
When path, it is supplied to the user to apply the most economical connection path.
In one embodiment, the computing module further includes：
Computational submodule handles the quantity of transmission device for calculating the video arrived involved in the physical couplings,
And carry out n times cycle calculations；
Judgment module, in each cycle calculations, connecting number setting rule according to equipment, progress is following to be judged：
If equipment connection number is less than just infinite, the equipment connection number and corresponding link road are recorded
Diameter；
If equipment connection number is equal to just infinite, judge whether that logical mappings relationship can be arranged；
If the logical mappings relationship can be arranged, equipment connection number is recalculated, is recalculated if described
Equipment connects number and is less than just infinite, then to be recalculated described in record equipment connection number；
If the logical mappings relationship cannot be arranged, it assumes that it can be connected between N number of video processing transmission device, and
Equipment connection number is recalculated, if the equipment connection number recalculated is less than just infinite, this is recorded and counts again
The equipment of calculation connects number.
In one embodiment, the equipment connection number setting rule is：
If N number of video processing transmission device can connect and the video of N number of video processing transmission device is defeated
The logical mappings relationship for entering signal path and video output signals channel has been set, then equipment connection number is set as 1；
If the N number of video processing transmission device cannot be connected or can be connected but N number of video handles transmission device
Video input signals channel and the logical mappings relationship in video output signals channel be not arranged, then equipment connection number is set
It is set to just infinite.
Compared with prior art, above-mentioned technical proposal at least has the advantages that：
The embodiment of the present invention to N number of video by handling the respective video input signals channel of transmission device and video output
Logical mappings relationship is arranged in signal path；And according to N number of video handle transmission device between physical couplings and logic reflect
Relationship is penetrated, calculates including connection path and equipment corresponding with connection path connects the set of number；To select from this collection
Best connection path is selected, user is supplied to carry out selection application.Through the embodiment of the present invention, solve at least partly how
Simplify the calculation of video input/output signal channel switching set-up mode and physical connection, and avoids meaningless connection
The technical issues of cost.User only needs some specified specific video input signals channel to be switched to specific some video output letter
Number channel, then the embodiment of the present invention will calculate automatically, the associated video that is arranged on different video splicer, different matrixes it is defeated
Enter/output signal channel, to reach user's desired effect.
Certainly, it implements any of the products of the present invention and is not necessarily required to realize all the above advantage simultaneously.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.Objectives and other advantages of the present invention can be by the explanation write
Specifically noted method is realized and is obtained in book, claims and attached drawing.
Description of the drawings
A part of the attached drawing as the present invention, for providing further understanding of the invention, of the invention is schematic
Embodiment and its explanation do not constitute inappropriate limitation of the present invention for explaining the present invention.Obviously, the accompanying drawings in the following description
Only some embodiments to those skilled in the art without creative efforts, can be with
Other accompanying drawings can also be obtained according to these attached drawings.In the accompanying drawings：
Fig. 1 is the flow chart according to the switching method of video input/output signal channel shown in an exemplary embodiment；
Fig. 2 is to be shown according to the structure of the switching device of video input/output signal channel shown in an exemplary embodiment
It is intended to；
Fig. 3 is the structural schematic diagram according to the computing module shown in an exemplary embodiment.
These attached drawings and verbal description are not intended to the conception range limiting the invention in any way, but by reference to
Specific embodiment is that those skilled in the art illustrate idea of the invention.
Specific implementation mode
The technical issues of below in conjunction with the accompanying drawings and specific embodiment is solved to the embodiment of the present invention, used technical side
Case and the technique effect of realization carry out clear, complete description.Obviously, described embodiment is only one of the application
Divide embodiment, is not whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not paying creation
Property labour under the premise of, all other equivalent or obvious variant the embodiment obtained is all fallen in protection scope of the present invention.
The embodiment of the present invention can be embodied according to the multitude of different ways being defined and covered by claim.
It should be noted that in the following description, understanding for convenience, giving many details.But it is very bright
Aobvious, realization of the invention can be without these details.
It should be noted that in the case where not limiting clearly or not conflicting, each embodiment in the present invention and its
In technical characteristic can be combined with each other and form technical solution.
Fig. 1 is the flow chart according to the switching method of video input/output signal channel shown in an exemplary embodiment.
As shown in Figure 1, this method may include step S10 to step S16.
N number of video processing transmission device is respectively provided with video input/output signal channel, and video input signals source is connected to
Video handles the video input signals channel of transmission device, is cascaded between N number of video processing transmission device；Wherein, N takes just
Integer；
Step S10：Receive any video input that video input signals source is handled transmission device by user from the first video
Signal path switches to the order in any video output signals channel of N videos processing transmission device.
In this step, the first video processing transmission device and N videos processing transmission device can be video montaging device
Or matrix etc..
For example, following hypothesis can be done：It is video montaging device, N 1 that first video, which handles transmission device,.
Those skilled in the art will be understood that above-mentioned hypothesis just for the sake of the present invention is better described, and cannot be considered as
Inappropriate limitation of the present invention.
Based on above-mentioned it is assumed that the first via video input that video input signals source can be accessed video montaging device by user is believed
Number channel switches to the second road video output signals channel of video montaging device, can also spell in video input signals source from video
The the second road video input signals channel for connecing device switches to the third road video output signals channel of video montaging device.With such
It pushes away.
Step S12：According to the order of user, to N number of video processing respective video input signals channel of transmission device and
Logical mappings relationship is arranged in video output signals channel.
The setting of logical mappings relationship is illustrated below.
Assuming that：It is the first video montaging device that first video, which handles transmission device, and it is first that the second video, which handles transmission device,
Matrix, it is the second video montaging device that third video, which handles transmission device,.
Those skilled in the art will be understood that above-mentioned hypothesis just for the sake of the present invention is better described, and cannot be considered as
To the improper restriction of the present invention.
In physical connection, video input signals source is regarded by first that signal transmssion line is connected to the first video montaging device
Frequency input signal channel, the first video that the second video output signals channel of the first video montaging device is connected to the first matrix are defeated
Enter signal path.
After having carried out above-mentioned physical connection, if the user desired that video input signals source is led to the first matrix, then
Carry out the setting of following logical mappings relationship：
By the second video of the first video input signals channel map to the first video montaging device of the first video montaging device
Output signal channel.
If without the setting of above-mentioned logical mappings relationship, video input signals source can not reach the first matrix.
If the user desired that increasing following physical couplings：First video output signals channel of the first matrix is connected to
First video input signals channel of the second video montaging device, and user wishes video input signals source leading to the second video
Splicer then needs the setting for carrying out following logical mappings relationship：
By the second video of the first video input signals channel map to the first video montaging device of the first video montaging device
Output signal channel, then the first video of the first video input signals channel map to the first matrix of the first matrix is exported into letter
Number channel.
Pass through and physical couplings and logical mappings relationship be set, so that it may with by the signal transmission in video input signals source extremely
Second video montaging device.
After the setting for having carried out mapping relations, mapping relations are cached in system.
In practical applications, logical mappings relationship can be set before user's use.As user in use, if
The logical mappings relationship being set is met the needs of users, then need not change logical mappings relationship, and user can be according to
The logical mappings relationship set is applied；Although the embodiment of the present invention is according to sequence as step S10, step S12
The description of progress, still, at this point, step S10 can be overturned with step S12, step S12 can not be according to the order of user
Logical mappings relationship is arranged；If the logical mappings relationship being set is unsatisfactory for the demand of user, need to change logic
Mapping relations.
Step S14：Physical couplings and logical mappings relationship between transmission device are handled according to N number of video, are calculated
Go out including connection path and equipment corresponding with connection path connects the set of number；Wherein, connection path is that the processing of N number of video passes
Path between transfer device；The sum of the equipment number that equipment connection number is undergone by connection path.
In this step, it is preferable that the calculating of equipment connection number can specifically include：
The quantity of the video processing transmission device arrived involved in physical couplings is calculated, and carries out n times cycle calculations；
In each cycle calculations, number setting rule is connected according to equipment, progress is following to be judged：
Step S1400：If equipment connect number be less than it is just infinite, then follow the steps S1402, otherwise (i.e. equipment connection number
Equal to just infinite situation), execute step S1406.
Step S1402：Recording equipment connects number and corresponding connection path.
Step S1406：Judge whether that logical mappings relationship can be arranged.
Step S14060：If logical mappings relationship can be arranged, S14062 is thened follow the steps；Otherwise (cannot be arranged
The case where logical mappings relationship), execute step S14064.
Step S14062：Recalculate equipment connection number
Step S140620：If recalculate equipment connection number be less than it is just infinite, then follow the steps S140622；It is no
Then, step S140624 is executed.
Step S140622：Record the equipment connection number recalculated.
Step S140624：Do not record the equipment connection number recalculated.
Step S14064：Assuming that can be connected between N number of video processing transmission device, and computing device connects number again.
Step S140640：If recalculate equipment connection number be less than it is just infinite, then follow the steps S140642；It is no
Then, step S140644 is executed.
Step S140642：Record the equipment recalculated connection number.
Step S140644：The equipment recalculated connection number is not recorded.
Specifically, three buffers are first initialized, the content stored according to following rule setting buffers：
First buffer records the connection path and its equipment that need not change logic connecting relation and physical couplings
Connect the set of number.
Second buffer record needs to change the connection path of logical mappings relationship and its connects the set of number.
The set that third buffer record needs the connection path that physical couplings are transformed and its connects number.
If equipment connects number and is less than just infinite, show to connect between N number of video processing transmission device, by equipment
Connection number and corresponding connection path are recorded in the first buffer, give over to for use, then carry out next cycle；If set
Standby connection number is equal to just infinite, then needs to judge whether that logical mappings relationship can be arranged；If logical mappings pass can be arranged
System then recalculates equipment connection number, if the equipment connection number recalculated is less than just infinite, the equipment that will be recalculated
Connection number is recorded in the second buffer；If logical mappings relationship cannot be arranged, it assumes that N number of video processing transmission device it
Between can connect, and again computing device connect number, if recalculate equipment connection number be less than it is just infinite, will count again
The equipment connection number of calculation is recorded in third buffer.
Wherein, equipment connection number setting rule is specifically as follows：
If N number of video processing transmission device can connect and the video input signals of N number of video processing transmission device are logical
The logical mappings relationship in road and video output signals channel has been set, then equipment connection number is set as 1；
If N number of video processing transmission device cannot connect or can connect but N number of video handle transmission device video it is defeated
The logical mappings relationship for entering signal path and video output signals channel is not arranged, then equipment connection number is set as just infinite.
Those skilled in the art will be understood that the mode of above-mentioned cited computing device connection number is only to be better described
The technical solution of the embodiment of the present invention, is not to be taken as inappropriate limitation of the present invention, other meters that are existing and being likely to occur from now on
The mode for calculating equipment connection number is such as applicable to the present invention, then is also contained in protection scope of the present invention, and herein with reference
Mode be hereby incorporated by.
Step S16：When there is most short connection path in set, it is supplied to user to apply most short connection path,
To realize the switching of video input/output signal channel；Wherein, most short connection path is that minimum equipment connects corresponding to number
Connection path.
In this step, user selects most short connection path, to be switched over to video input/output signal channel.
The embodiment of the present invention believes the respective video input of N number of video processing transmission device by the order according to user
Logical mappings relationship is arranged in number channel and video output signals channel；And the physics between transmission device is handled according to N number of video
Connection relation and logical mappings relationship, calculate including connection path and equipment corresponding with connection path connects the set of number；
According to the set, best connection path is provided to the user, to realize the switching to video input/output signal channel.Pass through
The embodiment of the present invention solves how to simplify video input/output signal channel switching set-up mode and physics at least partly
The calculation of connection, and the technical issues of avoid meaningless link cost.User only needs some specified specific video defeated
Enter signal path and be switched to some specific video output signals channel, then the embodiment of the present invention will calculate, be arranged not automatically
Associated video input/output signal channel on same video montaging device, different matrixes, to reach user's desired effect.
In an alternative embodiment, if collection is combined into：The link road of modification logical mappings relationship is needed including user
The set of diameter and corresponding equipment connection number, wherein the connection path corresponding to minimum equipment connection number is to influence most
Small connection path, then：Step S16 further includes：When most short connection path is not present in set, but exists and influence minimum connection
When path, it is supplied to user to apply the connection path for influencing minimum.
In the above-described embodiments, if most short connection path is not present in set, providing a user influences minimum company
Path is connect, is selected for user, the routing information that user returns according to system determines which connection path applied.
In an alternative embodiment, if collection is combined into：The link road of modification physical couplings is needed including user
The set of diameter and corresponding equipment connection number, wherein the connection path corresponding to minimum equipment connection number is most economical
Connection path, then：Step S16 further includes：When the connection path that most short connection path and influence minimum are not present in set, but
There are when most economical connection path, it is supplied to user to apply most economical connection path.
In the above-described embodiments, if existing physical connection is not supported, the embodiment of the present invention, which calculates, most economical to be had
The connection method of effect selects to use for user.
It should be noted that step S10, step S12, step S14, step S16 merely illustrate the title of step.Although
Each step is carried out in the way of above-mentioned steps S10, step S12, step S14, step S16 precedences in the present embodiment
Description, still, it will be understood by those skilled in the art that in order to realize the effect of the present embodiment, between different step
It is executed not necessarily in such order, may be performed simultaneously or execution order is reverse, these simple variations are all in the present invention
Protection domain within.
Based on technical concept identical with embodiment of the method, a kind of cutting for video input/output signal channel is additionally provided
Changing device 20.As shown in Fig. 2, the device 20 may include Order receiver module 21, setup module 22, computing module 23 and provide
Module 24.
N number of video processing transmission device is respectively provided with video input/output signal channel, and video input signals source is connected to
Video handles the video input signals channel of transmission device, is cascaded between N number of video processing transmission device；Wherein, N takes just
Integer；
Order receiver module 21 is used to receive user and video input signals source is handled appointing for transmission device from the first video
One video input signals channel switches to the order in any video output signals channel of N videos processing transmission device.
Setup module 22 is used for according to order, to N number of video processing respective video input signals channel of transmission device and
Logical mappings relationship is arranged in video output signals channel.
Computing module 23 is used to handle physical couplings and the logical mappings pass between transmission device according to N number of video
System, calculates including connection path and equipment corresponding with connection path connects the set of number；Wherein, connection path is N number of regards
Path between frequency processing transmission device；The sum of the equipment number that equipment connection number is undergone by connection path.
Module 24 is provided to be used to, when there is most short connection path in set, be supplied to user to carry out most short connection path
Using to realize the switching of video input/output signal channel；Wherein, most short connection path connects several institutes for minimum equipment
Corresponding connection path.
In an alternative embodiment, module 24 is provided to be additionally operable to：
If collection is combined into：The connection path of modification mapping relations and corresponding equipment is needed to connect number including user
Set, wherein the connection path corresponding to minimum equipment connection number is to influence minimum connection path, then：
When most short connection path is not present in set, but there is the connection path for influencing minimum, minimum company will be influenced
Connecing path is supplied to user to apply.
In an alternative embodiment, module 24 is provided to be additionally operable to：
If collection is combined into：Connection path and the connection of corresponding equipment of modification physical couplings are needed including user
Several set, wherein the connection path corresponding to minimum equipment connection number is most economical connection path, then：
When the connection path that most short connection path and influence minimum are not present in set, but there are most economical connection paths
When, it is supplied to user to apply most economical connection path.
In an alternative embodiment, as shown in figure 3, computing module 30 further includes computational submodule 32 and judgment module
34.Wherein, computational submodule 32 is used to calculate the quantity of the video processing transmission device arrived involved in physical couplings, goes forward side by side
Row n times cycle calculations；Judgment module 34 is used in each cycle calculations, is connected number setting rule according to equipment, is carried out following
Judge：If equipment, which connects number, is less than just infinite, recording equipment connection number and corresponding connection path；If equipment connects
Connect number be equal to it is just infinite, then judge whether that logical mappings relationship can be arranged；If logical mappings relationship can be arranged, again
Computing device connect number, if recalculate equipment connection number be less than it is just infinite, record recalculate equipment connection number；
If logical mappings relationship cannot be arranged, it assumes that can be connected between N number of video processing transmission device, and computing device again
Connect number, if recalculate equipment connection number be less than it is just infinite, record the equipment recalculated connection number.
In an alternative embodiment, equipment connection number setting rule is：
If N number of video processing transmission device can connect and the video input signals of N number of video processing transmission device are logical
The logical mappings relationship in road and video output signals channel has been set, then equipment connection number is set as 1；
If N number of video processing transmission device cannot connect or can connect but N number of video handle transmission device video it is defeated
The logical mappings relationship for entering signal path and video output signals channel is not arranged, then equipment connection number is set as just infinite.
It should be noted that：The switching device for video input/output signal channel that above-described embodiment provides is being regarded
When the switching in frequency input/output signal channel, only the example of the division of the above functional modules, in practical application
In, above-mentioned function distribution can be completed as needed by different function modules, i.e., divided the internal structure of device
At different function modules, to complete all or part of the functions described above.
Above-mentioned apparatus embodiment can be used for execute above method embodiment, technical principle, it is solved the technical issues of
And the technique effect generated is similar, person of ordinary skill in the field can be understood that, the convenience for description and letter
Clean, the specific work process of the device of foregoing description can refer to corresponding processes in the foregoing method embodiment, no longer superfluous herein
It states.
It should be pointed out that the device of the invention embodiments and methods embodiment is described respectively above, but it is right
The details of one embodiment description can also be applied to another embodiment.For module, the step involved in the embodiment of the present invention
Title, it is only for distinguish modules or step, be not intended as inappropriate limitation of the present invention.Those skilled in the art
It should be appreciated that：Either step can also be decomposed or be combined again module in the embodiment of the present invention.Such as the mould of above-described embodiment
Block can be merged into a module, can also be further split into multiple submodule.
Technical solution is provided for the embodiments of the invention above to be described in detail.Although applying herein specific
A example the principle of the present invention and embodiment are expounded, still, the explanation of above-described embodiment is only applicable to help to manage
Solve the principle of the embodiment of the present invention；Meanwhile to those skilled in the art, embodiment according to the present invention, is being embodied
It can be made a change within mode and application range.
It should be noted that：Label in attached drawing is intended merely to be illustrated more clearly that the present invention, is not intended as protecting the present invention
Protect the improper restriction of range.
The terms "include", "comprise" or any other like term are intended to cover non-exclusive inclusion, so that
Process, method, article or equipment/device including a series of elements includes not only those elements, but also includes not bright
The other elements really listed, or further include the intrinsic element of these process, method, article or equipment/devices.Do not having
In the case of more limitations, the element that is limited by sentence "including a ...", it is not excluded that including the element process,
There is also other elements in method, article or equipment/device, i.e. the meaning of " including one " is also contemplated by " including another "
The meaning.
Each step provided in an embodiment of the present invention can be realized with general computing device, for example, they can collect
In on single computing device, such as：It is personal computer, server computer, handheld device or portable device, plate
Equipment or multi-processor device can also be distributed on network constituted by multiple computing devices, they can be to be different from
Sequence herein executes shown or described step, and either they are fabricated to each integrated circuit modules or generals
Multiple modules or step in them are fabricated to single integrated circuit module to realize.Therefore, the present invention is not limited to any specific
Hardware and software or its combination.
Method provided by the invention can be realized using programmable logic device, and it is soft can also to be embodied as computer program
Part or program module (it include routines performing specific tasks or implementing specific abstract data types, program, object, component or
Data structure etc.), such as can be according to an embodiment of the invention a kind of computer program product, run the computer program
Product makes computer execute for demonstrated method.The computer program product includes computer readable storage medium, should
Include computer program logic or code section on medium, for realizing the method.The computer readable storage medium can
To be the built-in medium being mounted in a computer or the removable medium (example that can be disassembled from basic computer
Such as：Using the storage device of hot plug technology).The built-in medium includes but not limited to rewritable nonvolatile memory,
Such as：RAM, ROM, flash memory and hard disk.The removable medium includes but not limited to：Optical storage media (such as：CD-
ROM and DVD), magnetic-optical storage medium (such as：MO), magnetic storage medium (such as：Tape or mobile hard disk), can with built-in
Rewrite nonvolatile memory media (such as：Storage card) and with built-in ROM media (such as：ROM boxes).
Present invention is not limited to the embodiments described above, and without departing substantially from substantive content of the present invention, this field is common
Any deformation, improvement or the replacement that technical staff is contemplated that each fall within the scope of the present invention.
Although having been shown, being described and pointed out the basic novel feature for the present invention for being suitable for various embodiments above
Detailed description, it will be understood that do not depart from the invention is intended in the case of, those skilled in the art can be to system
Form and details carry out various omissions, substitutions and changes.
Claims (8)
1. a kind of switching method of video input/output signal channel, wherein N number of video processing transmission device, which is respectively provided with, to be regarded
Frequency input/output signal channel, the video input signals that video input signals source is connected to the video processing transmission device are logical
Road, N number of video are cascaded between handling transmission device；Wherein, the N takes positive integer；
It is characterized in that, this method includes at least：
Step 1：Receive any video input letter that the video input signals source is handled transmission device by user from the first video
Number channel switches to the order in any video output signals channel of N videos processing transmission device；
Step 2：According to the order, the respective video input signals channel of transmission device and video are handled to N number of video
Logical mappings relationship is arranged in output signal channel；
Step 3：Physical couplings and the logical mappings relationship between transmission device, meter are handled according to N number of video
Calculating includes the set of connection path and equipment corresponding with connection path connection number；Wherein, the connection path is N number of
Video handles the path between transmission device；The sum of the equipment number that the equipment connection number is undergone by the connection path；
The equipment connection number is calculated in the step 3, is specifically included：
The quantity of the video processing transmission device arrived involved in the physical couplings is calculated, and carries out M cycle calculations；
In each cycle calculations, number setting rule is connected according to equipment, progress is following to be judged：
If equipment connection number is less than just infinite, the equipment connection number and corresponding connection path are recorded；
If equipment connection number is equal to just infinite, judge whether that logical mappings relationship can be arranged；
If the logical mappings relationship can be arranged, equipment connection number is recalculated, if the equipment recalculated
It connects number and is less than just infinite, then to be recalculated described in record equipment connection number；
If the logical mappings relationship cannot be arranged, it assumes that can be connected between N number of video processing transmission device, and again
Equipment connection number is calculated, if the equipment connection number recalculated is less than just infinite, records what this was recalculated
Equipment connects number；
Step 4：When there is most short connection path in the set, it is supplied to the user to carry out the most short connection path
Using to realize the switching of video input/output signal channel；Wherein, the most short connection path is minimum equipment connection
The corresponding connection path of number.
2. the switching method of video input/output signal channel according to claim 1, which is characterized in that
If the collection is combined into：It needs to change the connection path of the logical mappings relationship and corresponding equipment including user
Connect the set of number, wherein the connection path corresponding to minimum equipment connection number is to influence minimum connection path, then：
The step 4 further includes：
When most short connection path is not present in the set, but there is the connection path for influencing minimum, by influence minimum
Connection path be supplied to the user to apply.
3. the switching method of video input/output signal channel according to claim 1, which is characterized in that
If the collection is combined into：Connection path and the connection of corresponding equipment of modification physical couplings are needed including user
Several set, wherein the connection path corresponding to minimum equipment connection number is most economical connection path, then：
The step 4 further includes：
When the connection path that most short connection path and influence minimum are not present in the set, but there are most economical connection paths
When, it is supplied to the user to apply the most economical connection path.
4. the switching method of video input/output signal channel according to claim 1, which is characterized in that the equipment
Rule is arranged in connection number：
If N number of video processing transmission device can connect and the video input letter of N number of video processing transmission device
The logical mappings relationship in number channel and video output signals channel has been set, then equipment connection number is set as 1；
If the N number of video processing transmission device cannot be connected or can be connected but N number of video handles regarding for transmission device
The logical mappings relationship in frequency input signal channel and video output signals channel is not arranged, then sets equipment connection number to
It is just infinite.
5. a kind of switching device of video input/output signal channel, it is defeated that N number of video processing transmission device is respectively provided with video
Enter/output signal channel, video input signals source is connected to the video input signals channel of the video processing transmission device, institute
It states between N number of video handles transmission device and is cascaded；Wherein, the N takes positive integer；
It is characterized in that, the device includes at least：
Order receiver module, for receiving any of user by the video input signals source from the first video processing transmission device
Video input signals channel switches to the order in any video output signals channel of N videos processing transmission device；
Setup module, for according to the order, the respective video input signals channel of transmission device to be handled to N number of video
Logical mappings relationship is set with video output signals channel；
Computing module, for handling physical couplings and the logical mappings between transmission device according to N number of video
Relationship, calculates including connection path and equipment corresponding with the connection path connects the set of number；Wherein, the link road
Diameter is the path between N number of video processing transmission device；The equipment that the equipment connection number is undergone by the connection path
The sum of number；
The computing module further includes：
Computational submodule handles the quantity of transmission device for calculating the video arrived involved in the physical couplings, goes forward side by side
M cycle calculations of row；
Judgment module, in each cycle calculations, connecting number setting rule according to equipment, progress is following to be judged：
If equipment connection number is less than just infinite, the equipment connection number and corresponding connection path are recorded；
If equipment connection number is equal to just infinite, judge whether that logical mappings relationship can be arranged；
If the logical mappings relationship can be arranged, equipment connection number is recalculated, if the equipment recalculated
It connects number and is less than just infinite, then to be recalculated described in record equipment connection number；
If the logical mappings relationship cannot be arranged, it assumes that can be connected between N number of video processing transmission device, and again
Equipment connection number is calculated, if the equipment connection number recalculated is less than just infinite, records what this was recalculated
Equipment connects number；
Module is provided, for when there is most short connection path in the set, the most short connection path being supplied to described
User applies, to realize the switching of video input/output signal channel；Wherein, the most short connection path is minimum
Equipment connects the connection path corresponding to number.
6. the switching device of video input/output signal channel according to claim 5, which is characterized in that the offer
Module is additionally operable to：
If the collection is combined into：It needs to change the connection path of the logical mappings relationship and corresponding equipment including user
Connect the set of number, wherein the connection path corresponding to minimum equipment connection number is to influence minimum connection path, then：
When most short connection path is not present in the set, but there is the connection path for influencing minimum, by influence minimum
Connection path be supplied to the user to apply.
7. the switching device of video input/output signal channel according to claim 5, which is characterized in that the offer
Module is additionally operable to：
If the collection is combined into：Connection path and the connection of corresponding equipment of modification physical couplings are needed including user
Several set, wherein the connection path corresponding to minimum equipment connection number is most economical connection path, then：
When the connection path that most short connection path and influence minimum are not present in the set, but there are most economical connection paths
When, it is supplied to the user to apply the most economical connection path.
8. the switching device of video input/output signal channel according to claim 5, which is characterized in that the equipment
Rule is arranged in connection number：
If N number of video processing transmission device can connect and the video input letter of N number of video processing transmission device
The logical mappings relationship in number channel and video output signals channel has been set, then equipment connection number is set as 1；
If the N number of video processing transmission device cannot be connected or can be connected but N number of video handles regarding for transmission device
The logical mappings relationship in frequency input signal channel and video output signals channel is not arranged, then sets equipment connection number to
It is just infinite.
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| CN113259769B (en) * | 2021-04-07 | 2022-05-24 | 苏州华兴源创科技股份有限公司 | Video source switching method and device, electronic equipment and computer readable storage medium |
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| US20120047526A1 (en) * | 2010-08-20 | 2012-02-23 | Ati Technologies Ulc | System and Method for Mapping Audio and Video Streams from Audio/Video Source to Multiple Audio/Video Sinks |
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| CN103365805A (en) * | 2012-04-06 | 2013-10-23 | 上海算芯微电子有限公司 | Dynamic switching multi-path input-output interface system and method |
| CN103577131A (en) * | 2012-07-25 | 2014-02-12 | 浙江大华技术股份有限公司 | Method and device for transmitting video signal |
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