CN105959596A - Backup method and device of video source - Google Patents
Backup method and device of video source Download PDFInfo
- Publication number
- CN105959596A CN105959596A CN201610348291.2A CN201610348291A CN105959596A CN 105959596 A CN105959596 A CN 105959596A CN 201610348291 A CN201610348291 A CN 201610348291A CN 105959596 A CN105959596 A CN 105959596A
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- Prior art keywords
- video source
- backup
- instruction
- video
- source
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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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
Abstract
The invention discloses a backup method and device of a video source. The method comprises that a video source backup instruction is received, a backup video source of a video source indicated by the instruction is generated; the association between the video source and the backup video source is generated; and when a switching condition is met, the video source is switched to the backup video source automatically according to the association, and the backup video source is output and displayed in a display array. According to the invention, reaction time that the video source is displayed in the display array can be shortened, the video source is switched to the standby video source timely, and the switching flexibility is improved.
Description
Technical field
The invention belongs to communication technical field, particularly relate to a kind of video source backup method and device.
Background technology
The input and output of video signal are very extensive in current social application, can apply to video conference system
System, it is possible to be applied to video security monitoring system.Video signal can be divided into video source signal and Back Up Source signal,
This Back Up Source signal is the backup file that video source signal is corresponding, is possible to prevent when video source signal breaks down
Time, it is switched in display device as standby signal source, to ensure the normal output of signal.Video signal
Can be exported in display device by video matrix.Video matrix (Video Matrix) refers to be cut by array
M road video signal is arbitrarily exported the electronic installation to the monitoring device of n road by the method changed, generally
The input of matrix is more than output i.e. m > n, and video matrix is generally used for all kinds of monitoring occasion.
In prior art, the signal source typically having following two mode to access video matrix switches over:
First kind of way: manual switching；
It is linked in video matrix, by video square after video source signal and its Back Up Source signal are classified
Video source signal is exported in display matrix by the scheduling of battle array.When video source signal breaks down, manually
Dispatch cut-in stand-by video source signal to display matrix.
The second way: by middle control mian engine changeover:
Pass through serial port command, it is achieved the source signal of input video matrix is entered scheduling and switching, by middle control
The display that main frame connects is controlled main frame in controlling and is completed operation, the operating process of observation signal the most intuitively.
But, in above two mode, when video source signal breaks down, from find fault generation,
Scheduling switching, is finally shown on display to alternate video source signal be to need the longer response time, with
Time can affect the experience of perception.Furthermore, it cannot be carried out for the Back Up Source signal of some video source signal
Switching, as long as there being a video source signal to break down, it is necessary to switch over video source by the gross, flexibly
Property not enough.
Summary of the invention
The present invention provides a kind of video source backup method and device, in order to being the video specified by video matrix
Source arranges backup video source, and when meeting certain switching condition, automatically switches to video source back up video
Source, shortens the response time being shown to array of display, and video source can switch to alternate video source in time,
Improve the motility of switching.
A kind of video source backup method that the present invention provides, including:
Video matrix receives the instruction of backup video source, and the backup generating the video source of described instruction instruction regards
Frequently source；
Generate the incidence relation of described video source and described backup video source；
When meeting switching condition, according to described incidence relation, described video source is automatically switched to described backup
Video source, and described backup video source is exported and is shown in array of display.
A kind of video source back-up device that the present invention provides, including:
Receiver module, for receiving the instruction of backup video source；
Generation module, for generating the backup video source of the video source of described instruction instruction；
Described generation module, is additionally operable to the incidence relation generating described video source with described backup video source；
Handover module, for when meeting switching condition, according to described incidence relation by automatic for described video source
Switch to described backup video source, and described backup video source is exported and is shown in array of display.
Knowable to the invention described above embodiment, the video source backup method of present invention offer and device, by regarding
Frequently the video source specified is backed up by matrix, and according to the incidence relation of backup video source with this video source,
Automatically this video source is switched to the backup video source of correspondence, thus shortens and video source is shown to array of display
Response time, and video source can be realized switch to alternate video source in time, improve the motility of switching.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement
In example or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below
In accompanying drawing be only some embodiments of the present invention.
Fig. 1 is the application scenarios schematic diagram of video source backup method in the embodiment of the present invention；
Fig. 2 be first embodiment of the invention provide video source backup method realize schematic flow sheet；
Fig. 3 is the structural representation of the video source back-up device that second embodiment of the invention provides；
Fig. 4 is the structural representation of the video source back-up device that third embodiment of the invention provides.
Detailed description of the invention
For making the goal of the invention of the present invention, feature, the advantage can be the most obvious and understandable, below will knot
Close the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely retouched
State, it is clear that described embodiment is only a part of embodiment of the present invention, and not all embodiments.Base
Embodiment in the present invention, those skilled in the art are obtained under not making creative work premise
Every other embodiment, broadly falls into the scope of protection of the invention.
The video source backup method that the embodiment of the present invention provides, can be applicable in application scenarios as shown in Figure 1.
Middle control main frame 101 is connected with video matrix 102, under control of the user, and can be to video matrix
102 send backup instruction, and each video source is backed up by video matrix 102 according to this backup instruction, generate
Corresponding backup video source.Such as, video source 1 is backed up into video source 1-1, video source 2 is backed up be
Video source 2-2, by that analogy, is video source N-N by the backup of video source N.
Video matrix 102 is connected with display array 103, for switching the video source signal of input with defeated
Go out and show to each display in display array 103.Such as, video matrix 102 exports video source
1 or alternate video source 1-1, video source 2 or alternate video source 2-2, by that analogy, output video source N or
Alternate video source N-N, wherein, when the reason that video source 1 appearance is lost or other not can play, or
When user specifies output, video matrix exports the alternate video source 1 of they correspondences, in like manner, alternate video source 2
Until the output trigger condition of alternate video source N is identical.This display can be LCD display or LED
Display.
Refer to the video source backup method that Fig. 2, Fig. 2 provide for first embodiment of the invention realizes flow process
Schematic diagram, mainly comprises the steps that
S201, the instruction of reception backup video source, and generate the backup video source of the video source of this instruction instruction；
Middle control main frame receives the instruction of user ID video source, and this instruction is used for indicating video matrix backup to specify
Video source.This instruction is sent to this video matrix by middle control main frame, and this video matrix receives this instruction, and
Generating the backup video source that the video source of this instruction instruction is corresponding, this backup video source is saved in this video source
In same equipment.
Further, video matrix 102 can generate corresponding one or more standby of video source of this instruction instruction
Part video source.Generate a backup video source and can save memory space, generate multiple backup video source permissible
Reduce the risk when video source and a backup video source are all damaged.
Specifically, this instruction can include being designated as any one or more in array of display, the most all show
Show that the video source that the video image in the window of device is corresponding backs up.That is, this video matrix be received as this show
Show the instruction of the video source backup that the video image in any display window of array is corresponding, and generate and this instruction
The backup video source of the video source corresponding to video image of instruction.
This instruction can also include being designated as in array of display specifying corresponding the regarding of video image in display window
Frequently source is backed up.That is, the video figure in display window is specified during this video matrix is received as this array of display
The instruction backed up as corresponding video source, and generate the video source corresponding with the video image of this instruction instruction
Backup video source.Such as, having 9 display windows in this array of display, user specifies backup wherein 2
The video source of window, then this video matrix only generates and corresponding the regarding of video image in these 2 specified windows
Frequently the backup video source in source.
S202, generate the incidence relation of this video source and this backup video source；
This video matrix generates the incidence relation of video source and this backup video source, and preserves this incidence relation.
Further, when a video source exists multiple backup video source, arrange for multiple backup video source
Switching priority, this switching priority, for representing when video source can not be play because of reasons such as damages, switches
The sequencing of backup video source.
S203, when meeting switching condition, according to this incidence relation, this video source is automatically switched to backup and regards
Frequently source, and this backup video source is exported and is shown in array of display.
When meeting switching condition, this switching condition can be that this video source is damaged, it is also possible to is that user selects
Switch this video source.Video matrix is according to the incidence relation of video source Yu this backup video source, and this video is derived from
Dynamic this backup video source that switches to, and preset showing of this backup video source export and is shown in array of display
Show on device.
Further, when the backup video source of a video source is multiple, and set for the plurality of backup video source
When putting switching priority, then when this video source is damaged, according to this incidence relation and switching priority, this is regarded
Frequently source automatically switches to back up video source, and this backup video source is exported and be shown in array of display.
Specifically, when video source exists multiple backup video source, according to video source and multiple backup video source
Incidence relation and backup video source switching priority from high to low order switching back up video source.Such as,
One corresponding 3 backup video source of video source, the switching priority of these 3 backup video source is respectively first
Priority, the second priority, third priority, then, when this video source is damaged, preferential switching first is preferential
The alternate video source of level exports array of display, if the alternate video source of this first priority is also damaged, then
The alternate video source switching the second priority exports array of display, if the alternate video source of this second priority
Also damage, then the alternate video source switching third priority exports array of display.
In the embodiment of the present invention, by video matrix, the video source specified is backed up, and regard according to backup
Frequently source and the incidence relation of this video source, switch to the backup video source of correspondence automatically by this video source, thus
Shorten and be shown to response time of array of display, and specified portions video source can be realized switch to alternate video
Source, improves the motility of switching.
Refer to the structural representation that Fig. 3, Fig. 3 are the video source back-up devices that second embodiment of the invention provides
Figure, for convenience of description, illustrate only the part relevant to the embodiment of the present invention.The video source of Fig. 3 example
Back-up device can be the executive agent of the video source backup method that aforementioned embodiment illustrated in fig. 2 provides.Fig. 3
The video source back-up device of example, specifically includes that receiver module 301, generation module 302 and switching mould
Block 303.The most each functional module describes in detail as follows:
Wherein, receiver module 301, for receiving the instruction of backup video source；
Generation module 302, for generating the backup video source of the video source of this instruction instruction；
Generation module 302, is additionally operable to the incidence relation generating this video source with this backup video source；
Handover module 303, when being used for meeting switching condition, cuts this video source automatically according to this incidence relation
It is changed to back up video source, and this backup video source is exported and is shown in array of display.
The details that the present embodiment is not most, refers to the description of aforementioned embodiment illustrated in fig. 2, and here is omitted.
It should be noted that in the embodiment of the video source back-up device of figure 3 above example, each function mould
The division of block is merely illustrative of, can as required in actual application, the configuration requirement of such as corresponding hardware
Or the convenient consideration of the realization of software, and above-mentioned functions distribution is completed by different functional modules, will
The internal structure of video source back-up device is divided into different functional modules, with complete described above all or
Person's partial function.And, in actual application, the corresponding functional module in the present embodiment can be by accordingly
Hardware realize, it is also possible to by corresponding hardware perform corresponding software complete.This specification provide each
Embodiment all can apply foregoing description principle, below repeats no more.
In the embodiment of the present invention, by video matrix, the video source specified is backed up, and regard according to backup
Frequently source and the incidence relation of this video source, switch to the backup video source of correspondence automatically by this video source, thus
Shorten video source and be shown to response time of array of display, and video source can be realized switch to standby regarding in time
Frequently source, improves the motility of switching.
Refer to Fig. 4, the structural representation of the video source back-up device that third embodiment of the invention provides, for
It is easy to explanation, illustrate only the part relevant to the embodiment of the present invention.The video source backup dress of Fig. 4 example
Put the executive agent of the video source backup method that can be the offer of aforementioned embodiment illustrated in fig. 2.Fig. 4 example
Video source back-up device, specifically include that receiver module 301, generation module 302, handover module 303 and
Module 401 is set.It is with embodiment illustrated in fig. 3 difference:
Wherein, receiver module 301, the video image being additionally operable to be received as in array of display display window is corresponding
Video source backup instruction.
Receiver module 301, is additionally operable to be received as in this array of display specifying the video image pair in display window
The instruction of the video source backup answered.
Generation module 302, is additionally operable to generate the backup of the video source corresponding with the video image of this instruction instruction
Video source.
Further, generation module 302, it is additionally operable to generate the video source pair of this instruction one or more instruction
The backup video source answered.
Further, this device also includes:
Module 401 is set, for when backing up video source and being multiple, arranges for these backup video source multiple and cut
Change priority.
Handover module 303, is additionally operable to this video source automatically be cut according to this incidence relation and this switching priority
It is changed to this backup video source.
The details that the present embodiment is not most, refers to the description of earlier figures 2 to embodiment illustrated in fig. 3, the most not
Repeat again.
In the embodiment of the present invention, by video matrix, the video source specified is backed up, and regard according to backup
Frequently source and the incidence relation of this video source, switch to the backup video source of correspondence automatically by this video source, thus
Shorten and be shown to response time of array of display, and specified portions video source can be realized switch to alternate video
Source, improves the motility of switching.
It should be noted that for aforesaid each method embodiment, in order to simplicity describes, therefore it is all stated
For a series of combination of actions, but those skilled in the art should know, the present invention is not by described
The restriction of sequence of movement, because according to the present invention, some step can use other order or carry out simultaneously.
Secondly, those skilled in the art also should know, embodiment described in this description belongs to be preferable to carry out
Example, involved action and module might not be all necessary to the present invention.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, in certain embodiment the most in detail
The part stated, may refer to the associated description of other embodiments.
It is more than to video source backup method provided by the present invention and the description of device, for the one of this area
As technical staff, according to the thought of the embodiment of the present invention, the most all have
In place of change, to sum up, this specification content should not be construed as limitation of the present invention.
Claims (10)
1. a video source backup method, it is characterised in that described method includes:
Video matrix receives the instruction of backup video source, and the backup generating the video source of described instruction instruction regards
Frequently source；
Generate the incidence relation of described video source and described backup video source；
When meeting switching condition, according to described incidence relation, described video source is automatically switched to described backup
Video source, and described backup video source is exported and is shown in array of display.
Method the most according to claim 1, it is characterised in that described video matrix receives backup video
The instruction in source, and the backup video source of video source generating described instruction instruction includes:
The video source that video image that described video matrix is received as in described array of display display window is corresponding is standby
The instruction of part, and generate and the described backup video source instructing video source corresponding to the video image indicated.
Method the most according to claim 2, it is characterised in that described video matrix receives backup video
The instruction in source, and the backup video source of video source generating described instruction instruction also includes:
Video matrix is received as in described array of display the video source specifying the video image in display window corresponding
The instruction of backup, and generate the backup video source of the video source corresponding with the video image of described instruction instruction.
Method the most according to claim 1, it is characterised in that regarding of the described instruction instruction of described generation
Frequently the backup video source in source includes:
Generate one or more backup video source that the video source of described instruction instruction is corresponding.
5. according to the method described in any one of Claims 1-4, it is characterised in that regard described in described generation
Frequently source includes after the incidence relation of described backup video source: when described backup video source is multiple, for
Multiple described backup video source arrange switching priority；
Then according to described incidence relation, described video source is automatically switched to described backup video source include:
According to described incidence relation and described switching priority, described video source is automatically switched to described backup regard
Frequently source.
6. a video source back-up device, it is characterised in that described device includes:
Receiver module, for receiving the instruction of backup video source；
Generation module, for generating the backup video source of the video source of described instruction instruction；
Described generation module, is additionally operable to the incidence relation generating described video source with described backup video source；
Handover module, for when meeting switching condition, according to described incidence relation by automatic for described video source
Switch to described backup video source, and described backup video source is exported and is shown in array of display.
Device the most according to claim 6, it is characterised in that
Described receiver module, the video image being additionally operable to be received as in described array of display display window is corresponding
The instruction of video source backup；
Described receiver module, is additionally operable to be received as in described array of display specifying the video image in display window
The instruction of corresponding video source backup.
Device the most according to claim 7, it is characterised in that
Described generation module, is additionally operable to generate the standby of the video source corresponding with the video image of described instruction instruction
Part video source.
Device the most according to claim 6, it is characterised in that described generation module, is additionally operable to generate
One or more backup video source corresponding to video source of described instruction instruction.
10. according to the device described in any one of claim 6 to 9, it is characterised in that described device also wraps
Include:
Module is set, for when described backup video source is multiple, arranges for multiple described backup video source
Switching priority；
Described handover module, is additionally operable to described video source according to described incidence relation and described switching priority
Automatically switch to described backup video source.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610348291.2A CN105959596A (en) | 2016-05-24 | 2016-05-24 | Backup method and device of video source |
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| CN201610348291.2A CN105959596A (en) | 2016-05-24 | 2016-05-24 | Backup method and device of video source |
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Application publication date: 20160921 |
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