CN104834498B - Signal processing method and device - Google Patents
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- CN104834498B CN104834498B CN201510276155.2A CN201510276155A CN104834498B CN 104834498 B CN104834498 B CN 104834498B CN 201510276155 A CN201510276155 A CN 201510276155A CN 104834498 B CN104834498 B CN 104834498B
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Abstract
The present invention relates to a kind of signal processing method and device, when user selects a signal source by control software and performs the fenestration procedure on combination, control software sends windowing order to master server, master server obtains signal data according to the windowing order from corresponding signal source, and the corresponding display Node station of new windowing is determined according to windowing order, judge whether the display Node station also has enough resources to go to handle new windowing, if the display Node station can not be handled, master server chooses the signal data that the display Node station of an available free resource goes decoding to obtain from other display Node stations, the new windowing decoded data of corresponding display Node station reception are simultaneously rendered, data after processing are sent into respective display unit to be shown.The present invention need not reduce coding quality or coding frame per second, while signal image quality and picture speed is ensured, realize the more signals of the centralized displaying on combination.
Description
Technical field
The present invention relates to combination technical field, more particularly to a kind of signal processing method, signal processing apparatus.
Background technology
At present, joined screen system is had been applied to including multiple system regions such as traffic, electric power, security.By will be all kinds of
Application software and monitor video picture are delivered greatly facilitates monitoring of the people to Various types of data onto combination, to realize data
The fast deployment of analysis and resource is provided may.
Distributed processors as combination processor staple product type, because it has flexible autgmentability and big
Occupy special status in type combination product.As shown in figure 1, in general distributed processors include master server and aobvious
Show Node station, wherein master server is responsible for the management of system resource and the distribution of data, and shows Node station and be responsible for the solution of signal
Code, a display Node station can provide the signal output of one or more display units, when the scale increase of combination only
Display Node station, which need to be increased, can meet the display requirement of system.
Common Techniques for Multimedia Compression includes MPEG2, H.264 etc. at present.Show that Node station passes through software or hardware
Mode is output in display unit after compressed data is decoded and shown.But either entered by software mode or hardware mode
Row decoding, display Node station in performance because limit it while the number of signals decoded is limited, while can also be limited by
The resolution ratio of concrete signal.Such as same display Node station can only decode the video letter of 2 road 1080P resolution ratio of display simultaneously
Number, or the vision signal of 4 road 720P resolution ratio of display can be decoded simultaneously.
Combination has different scales according to the different use occasion of user, under this scene of Demonstration Hall and control centre
Generally require using ultra-large joined screen system, the joined screen system of such as 5*20 totally 100 47 cun of display units, its chi
Modest ability is up to more than ten meters.When using scale so big joined screen system, subscriber station is likely difficult to see clearly on one side of combination
The signal picture of the other one side combination of Chu.For example, as shown in Fig. 2 user before No. 1 display unit and No. 5 display units
No. 4, the signal picture on No. 8 display units may not seen.Therefore need all to focus on signal into splicing in some scenarios
The a certain region of wall is shown.
Assuming that each signal resolution is 1080P, each display Node station correspondence one display unit of connection, and each
Show that Node station at most decodes the signal of two-way 1080P resolution ratio simultaneously.As shown in Figure 3, it is assumed that all collect the signal shown in Fig. 2
In show to the left side of combination, because each display Node station at most can only be while enter to the signal of two-way 1080P resolution ratio
Row decoding display, therefore No. 1 display unit it is corresponding display Node station decode the 3rd road signal (E signals) when because performance not
Failure is decoded enough, is ultimately resulted in system prompt " decoding inadequate resource " and can not be shown normal signal picture.
Due to showing the limitation of Node station decoding performance, if so according to conventional decoding process, single display unit is simultaneously
The number of signals of display is limited, and the small range region on combination can not show more signals simultaneously, namely can not realize
Signal is concentrated on and shown in the small range region of combination.At present have technical scheme propose by reduce coding quality or
Person encodes the methods such as frame per second to save system resource, to enable single display Node station simultaneously to as far as possible many signals progress
Decoding, so that each display unit shows more signals.But this method can reduce the image quality of signal while can also
Cause picture interim card.
The content of the invention
Based on this, it is necessary in view of the above-mentioned problems, providing a kind of signal processing method and device, picture matter can ensured
The centralized displaying of signal is realized while amount.
A kind of signal processing method, including step：
Obtain control software send windowing order, wherein it is described windowing order include signal source information, window size with
And window coordinates；
Signal data is obtained from corresponding signal source according to the signal source information；
According to the resolution ratio of each display unit, the window size and window coordinates, default each display unit with it is each
Show the corresponding relation of Node station, the corresponding display Node station of display unit where determining window；
Judged described to show whether Node station can be to the letter of the window according to the present load of the display Node station
Number is decoded；
If can not, selection can be to the signal data solution from other display Node stations in addition to the display Node station
The display Node station of code, regard the display Node station of selection as new display Node station；
The signal data is sent into the new display Node station to be decoded, and number is sent to the display Node station
According to instruction is received, the display Node station is notified to receive decoded signal data from the new display Node station and carry out wash with watercolours
Dye display, or, send data transmission to the new display Node station and instruct, notify that the new display Node station will be decoded
Signal data is sent to the display Node station and carries out rendering display.
A kind of signal processing apparatus, including：
Open a window order acquisition module, the windowing order for obtaining control software transmission, wherein the windowing order includes
Signal source information, window size and window coordinates；
Signal data acquisition module, for obtaining signal data from corresponding signal source according to the signal source information；
Node station determining module is shown, is sat for the resolution ratio according to each display unit, the window size and window
The corresponding relation of mark, default each display unit and each display Node station, the corresponding display of display unit where determining window
Node station；
Node station judge module is shown, for judging the display Node station according to the present load of the display Node station
Whether the signal data of the window can be decoded；
Show Node station selecting module, for it is described display Node station the signal data can not be decoded when, from except
The display Node station that selection can be decoded to the signal data in other display Node stations outside the display Node station, will be selected
The display Node station selected is used as new display Node station；
Data and instruction sending module, are decoded for the signal data to be sent into the new display Node station,
And data receiver instruction is sent to the display Node station, notify the display Node station to be received from the new display Node station
Decoded signal data simultaneously carries out rendering display, or, send data to the new display Node station and send instruction, notify institute
State and newly show that decoded signal data is sent to the display Node station and carries out rendering display by Node station.
Signal processing method and device of the present invention, when user selects a signal source by control software and performs in splicing
During fenestration procedure on wall, control software sends windowing order to master server, and master server is according to the windowing order from corresponding
Signal source in obtain signal data, and the corresponding display Node station of new windowing is determined according to windowing order, judges the display
Whether Node station also has enough resources to go to handle the signal data of new windowing, if the display Node station can not be handled, main
Server chooses the signal data that the display Node station of an available free resource goes decoding to obtain from other display Node stations, newly
The corresponding display Node station of windowing receives decoded data and rendered, and the data after processing are sent into corresponding display
Unit is shown.The present invention need not reduce coding quality or coding frame per second, ensure signal image quality and picture speed
While spending, the more signals of the centralized displaying on combination are realized.
Brief description of the drawings
Fig. 1 is distributed processors configuration diagram in the prior art；
Fig. 2 is the schematic diagram of signal scatter display on combination；
Fig. 3 is the schematic diagram of signal centralized displaying on combination in the prior art；
Fig. 4 is the schematic flow sheet of signal processing method embodiment of the present invention；
Fig. 5 is present invention determine that the schematic diagram of the corresponding display Node station specific embodiment of window；
Fig. 6 is the schematic flow sheet of the specific embodiment of the invention；
Fig. 7 is the effect diagram of the specific embodiment of the invention；
Fig. 8 is the structural representation of signal processing apparatus embodiment one of the present invention；
Fig. 9 is the structural representation of signal processing apparatus embodiment two of the present invention；
Figure 10 shows the structural representation of Node station selecting unit embodiment for the present invention；
Figure 11 is the structural representation of signal processing apparatus embodiment three of the present invention；
Figure 12 closes the structural representation of window module embodiments for the present invention.
Embodiment
In order to be better understood from the technical purpose of the invention reached, the technical scheme taken and the technique effect reached,
The embodiment to the present invention is described in detail below in conjunction with the accompanying drawings.
As shown in figure 4, a kind of signal processing method, including step：
S110, the windowing order that control software is sent is obtained, wherein to include signal source information, window big for the windowing order
Small and window coordinates；
S120, signal data obtained from corresponding signal source according to the signal source information；
S130, the resolution ratio according to each display unit, the window size and window coordinates, default each display unit
With the corresponding relation of each display Node station, the corresponding display Node station of display unit where determining window；
S140, according to it is described display Node station present load judge it is described show Node station whether can be to the window
Signal data decoding；
If S150, can not, from except it is described display Node station in addition to other display Node stations in selection can be to the signal
The display Node station of data decoding, regard the display Node station of selection as new display Node station；
S160, the signal data is sent to the new display Node station decoded, and to the display Node station
Data receiver instruction is sent, notifies the display Node station to receive decoded signal data simultaneously from the new display Node station
Progress renders display, or, send data to the new display Node station and send instruction, notify the new display Node station to solve
Signal data after code is sent to the display Node station and carries out rendering display.
User selects a signal source by control software and performs the fenestration procedure on combination, and control software will be opened
Window order is sent to master server.Signal source information of the master server in windowing order connects corresponding signal source, from letter
Signal data, wherein signal source information are obtained in number source with including signal source IP (Internet Protocol, Internet protocol)
Location, port numbers, user name and password etc.；Window size and window coordinates in windowing order determine that new windowing institute is right
The display Node station answered.
Window size and window coordinates in windowing order determine new windowing corresponding to display Node station
Mode can be realized according to existing mode in the prior art.For example, in one embodiment, step S130 can include：
S1301, the terminal point coordinate for obtaining according to the origin coordinates and window size of new windowing new windowing, origin coordinates
The generally referred to as coordinate of window top left corner apex, terminal point coordinate is generally referred to as the coordinate of window bottom right angular vertex；
S1302, the resolution ratio according to each display unit of combination, the abscissa in origin coordinates and terminal point coordinate is distinguished
Whole is asked to the abscissa of display unit resolution ratio, the ordinate in origin coordinates and terminal point coordinate is respectively to display unit resolution ratio
Ordinate ask whole, obtain the display unit of new windowing covering；
S1303, the corresponding relation according to each display unit and each display Node station, obtain the corresponding display section of new windowing
Point machine.
For example, as shown in figure 5, the resolution ratio of each display unit is 1920x1080 pixels in 2x2 combination.When
When 1000x800 window is opened on combination, according to window origin coordinates (200,200) and window size (1000,
800) it is (1200,1000) to draw window end coordinate.Then it is 0 that the abscissa in origin coordinates, which is asked for 200 pair 1920 whole, starting
It is 0 that ordinate in coordinate, which is asked for 200 pair 1080 whole,；It is 0 that abscissa in terminal point coordinate, which is asked for 1200 pair 1920 whole, in terminal point coordinate
Ordinate to ask for 1000 pair 1080 whole be 0.Thus show that the region of window covering is arranged to the row display unit of 0 row 0, i.e. window for 0 row 0
Mouth cover only first display unit.According to the corresponding display Node station of default first display unit, you can to determine
The corresponding display Node station of institute's windowing.
After the display Node station corresponding to new windowing is determined, master server inquires about the current negative of the display Node station
Carry, judge whether the display Node station has the ability to show that wherein master server is sentenced to the signal data progress decoding of new windowing
Whether disconnected display Node station has the ability the signal data progress decoding display to new windowing can be using existing in the prior art
Mode realize.If the display Node station can be decoded to the signal data, the signal data is sent to described aobvious
Show that Node station is decoded and rendered display；Otherwise, energy is selected from other display Node stations in addition to the display Node station
Enough display Node stations decoded to the signal data, are sent to the display Node station of selection by signal data and carry out at decoding
Reason.The display Node station of selection is served only for the decoding of signal data, and decoded signal data needs to be sent to institute's windowing pair
The display Node station answered carries out rendering display.
From other display Node stations in addition to the display Node station select that the signal data decoding can be shown
Showing the method for Node station has many kinds, for example, in one embodiment, step S150 can include：
The present load of the other display Node stations of S1501, detection in addition to the display Node station；
S1502, the minimum display Node station of selection present load is used as new display Node station from other display Node stations.
It should be noted that the present invention is not restricted to the display Node station for selecting present load minimum, it can also pass through
Other alternative conditions are selected, and example one by one is refused herein.
Master server notifies the corresponding display Node station of institute's windowing from the display Node station decoded for signal data
Receiving decoded data mode has two kinds：One kind is that master server connects to the corresponding display Node station transmission data of institute's windowing
Instruction is received, data receiver instruction includes being used for information of display Node station that the signal data is decoded etc., and institute's windowing is corresponding
Display Node station receives instruction according to the data, decoded signal data is received from specified display Node station, and carry out
Render, be subsequently sent to corresponding display unit and shown；It is another be master server to for signal data decode it is aobvious
Show that Node station sends data and sends instruction, data, which send instruction, includes the information of the corresponding display Node station of institute's windowing, is used for
The display Node station of decoding is sent according to the data and instructed, and after being decoded to signal data, decoded data are sent into institute
The corresponding display Node station of windowing, the corresponding display Node station of institute's windowing receives decoded signal data, and carries out wash with watercolours
Dye, is subsequently sent to corresponding display unit and is shown.
When user needs to close a window, because the display Node station that the present invention decoded and rendered display might not
It is same display Node station, so can not carry out closing window processing according to conventional treatment mode.The present invention is based at above-mentioned windowing
Reason also provides a kind of pass window method, so, in one embodiment, the signal data is sent to the new display Node station
After being decoded, or the signal data is sent to after the display Node station decoded and rendered display, may be used also
With including step：
S1, the pass window instruction for obtaining control software transmission, wherein the pass window instruction includes the information of window to be closed；
S2, the detection window corresponding first to be closed show whether Node station and the second display Node station are same aobvious
Show Node station, wherein the first display Node station is used to decode the signal data of the window to be closed, second shows
Show that Node station is used to the signal data of the window to be closed is carried out to render display；
S3, if not same display Node station, respectively to the described first display Node station and the second display Node station
Transceiving data halt instruction is sent, notifies the first display Node station and the second display Node station to stop transceiving data,
And update the load information of the first display Node station.
When detecting the first display Node station and the second display Node station for same display Node station, namely it is responsible for this
Window signal data decode and render display for same display Node station, then send data to the display Node station and stop referring to
Order, notifies the display Node station to stop transceiving data, and update the load information of the display Node station.Opened a window each time
During operation, it can record and preserve the first display Node station corresponding with institute windowing and the second display Node station, after facilitating
Continuous processing.
In order to be better understood from the embodiment of the present invention, retouched in detail with reference to a specific embodiment
State.
By taking Fig. 3 backgrounds as an example, it is assumed that signal resolution is 1080P, each display Node station most multipotency decodes two-way simultaneously
The signal of 1080P resolution ratio, the display correspondence display unit 1 of Node station 1, the display correspondence display unit 2 of Node station 2 shows node
The correspondence display unit 5 of machine 5, shows the window display of Node station 1 signal A and signal B, shows the window display of Node station 5 signal C
With signal D.In order to realize the centralized displaying of signal, it is now desired to continue in the display road signal E of 1 uplifting window of Node station the 3rd, then
As shown in fig. 6, the step of the present invention is as follows：
1st, user is by the window E in control software opening signal source 1 on combination, and the control software order that will open a window is sent
To master server, wherein windowing order includes IP address, port numbers of signal source 1 etc., and window E coordinate and size；
2nd, the IP address of signal source 1 of master server in windowing order etc., sets up with signal source 1 and is connected, from signal
Window E signal data is obtained in source 1；
3rd, master server according to windowing order in window E coordinate and size, and each display unit resolution ratio, really
Determine window E to be covered in display unit 1, because display unit 1 is corresponding with display Node station 1, saved so obtaining window E with display
The point correspondence of machine 1；
4th, master server, which detects the display window display of Node station 1, two paths of signals, and obtain display Node station 1 can not be simultaneously
Decoding process is carried out to window E again, so choosing the sufficient display Node station of resource from other display Node stations, it is assumed that selection
Display Node station for display Node station 2；
5th, the signal data of acquisition is sent to display Node station 2 by master server, and sends data hair to display Node station 2
Instruction is sent, or data receiver instruction is sent to display Node station 1；
6th, display Node station 2 is decoded to signal data, and sends instruction according to data, by decoded signal data
It is sent to display Node station 1；Or display Node station 2 is decoded to signal data, display Node station 1 refers to according to data receiver
Order, decoded signal data is obtained from display Node station 2；
7th, display Node station 1 is rendered to decoded signal data, is sent to display unit 1 and is shown.
By above-mentioned steps, as shown in fig. 7, signal A, B and E can be shown on display unit 1 simultaneously, realize multiple aobvious
Show the centralized displaying of signal.
Based on same inventive concept, the present invention also provides a kind of signal processing apparatus, below in conjunction with the accompanying drawings to present invention dress
The embodiment put is described in detail.
As shown in figure 8, a kind of signal processing apparatus, including：
Open a window order acquisition module 810, the windowing order for obtaining control software transmission, wherein the windowing order bag
Include signal source information, window size and window coordinates；
Signal data acquisition module 820, for obtaining signal number from corresponding signal source according to the signal source information
According to；
Node station determining module 830 is shown, for the resolution ratio according to each display unit, the window size and window
The corresponding relation of coordinate, default each display unit and each display Node station, the display unit where determining window is corresponding aobvious
Show Node station；
Node station judge module 840 is shown, for judging that the display is saved according to the present load of the display Node station
Whether point machine can decode to the signal data of the window；
Node station selecting module 850 is shown, for when the display Node station can not be decoded to the signal data, from
The display Node station that selection can be decoded to the signal data in other display Node stations in addition to the display Node station, will
The display Node station of selection is used as new display Node station；
Data and instruction sending module 860, are solved for the signal data to be sent into the new display Node station
Code, and data receiver instruction is sent to the display Node station, notify the display Node station from the new display Node station
Receive decoded signal data and carry out rendering display, or, send data to the new display Node station and send instruction, lead to
Know that decoded signal data is sent to the display Node station and carries out rendering display by the new display Node station.
User selects a signal source by control software and performs the fenestration procedure on combination, and windowing order is obtained
Module 810 obtains the windowing order that control software is sent.Signal source of the signal data acquisition module 820 in windowing order is believed
The corresponding signal source of breath connection, obtains signal data from signal source, and wherein signal source information includes signal source IP address, port
Number, user name and password etc..Show that window size and window coordinates of the Node station determining module 830 in windowing order are true
Display Node station corresponding to fixed new windowing, wherein display Node station determining module 830 can be according to existing in the prior art
Mode determines the corresponding display Node station of new windowing.
After showing that Node station determining module 830 determines the display Node station corresponding to new windowing, Node station is shown
Judge module 840 inquires about the present load of the display Node station, judges whether the display Node station has the ability to new windowing
Signal data carries out decoding and shown, wherein display Node station judging unit 840 is using mode is saved to display in the prior art
Point machine is judged.As shown in figure 9, apparatus of the present invention can also include what is be connected with the display Node station judge module 840
Signal data sending module 870, the signal data sending module 870 can be to the signal data in the display Node station
During decoding, the signal data is sent to the display Node station and is decoded and rendered display.If the display Node station
The signal data can not be decoded, show Node station selecting module 850 from other displays in addition to the display Node station
The display Node station that selection can be decoded to the signal data in Node station, signal data is sent to the display node of selection
Machine carries out decoding process.
As shown in Figure 10, the display Node station selecting module 850 can include：
Load detecting unit 8501, for detecting the current negative of other display Node stations in addition to the display Node station
Carry；
New display Node station determining unit 8502, the display minimum for the selection present load from other display Node stations
Node station is used as new display Node station.
It should be noted that display Node station selecting module 850 selects the mode of new display Node station to be not restricted to
Mode is stated, the new display Node station of other alternative conditions selection can also be passed through.
As shown in figure 11, apparatus of the present invention can also include respectively with the data and instruction sending module 860 and described
The connected pass window module 880 of signal data sending module 870.As shown in figure 12, the pass window module 880 can include：
Window instruction acquiring unit 8801 is closed, the pass window instruction for obtaining control software transmission, wherein the pass window instruction
Include the information of window to be closed；
Node station detection unit 8802 is shown, for detecting that the window to be closed corresponding first shows Node station and the
Whether two display Node stations are same display Node station, wherein the first display Node station is used for the window to be closed
Signal data is decoded, and the second display Node station is used to the signal data of the window to be closed is carried out to render display；
Halt instruction transmitting element 8803, for showing that Node station is not same display in the first display Node station and ground two
During Node station, transceiving data halt instruction is sent to the described first display Node station and the second display Node station respectively, is led to
Know that the first display Node station and the second display Node station stop transceiving data, and update the first display Node station
Load information.
When it is same display Node station to close window module 880 to detect the first display Node station and the second display Node station,
Namely be responsible for window signal data decoding and render display for same display Node station, then sent to the display Node station
Data halt instruction, notifies the display Node station to stop transceiving data, and update the load information of the display Node station.Carrying out
Each time during fenestration procedure, it can record and preserve the first display Node station corresponding with institute windowing and the second display node
Machine, to facilitate subsequent treatment.
Signal processing method and device of the present invention, can be realized, corresponding program and core by corresponding program or chip
Piece may be mounted on master server.The present invention need not reduce coding quality or coding frame per second, ensure signal picture matter
While amount and picture speed, the more signals of the centralized displaying on combination are realized.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that coming for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of signal processing method, it is characterised in that including step：
The windowing order that control software is sent is obtained, wherein the windowing order includes signal source information, window size and window
Mouth coordinate；
Signal data is obtained from corresponding signal source according to the signal source information；
According to the resolution ratio of each display unit, the window size and window coordinates, default each display unit and each display
The corresponding relation of Node station, the corresponding display Node station of display unit where determining window；
Judged described to show whether Node station can be to the signal number of the window according to the present load of the display Node station
According to decoding；
If can not, the present load of other display Node stations in addition to the display Node station is detected, according to other display nodes
The suitable display Node station of present load selection of machine is used as new display Node station；
The signal data is sent into the new display Node station to be decoded, and data are sent to the display Node station and is connect
Receive instruction, notify it is described display Node station from it is described it is new display Node station in receive decoded signal data and carry out render it is aobvious
Show, or, send data to the new display Node station and send instruction, notify the new display Node station by decoded signal
Data are sent to the display Node station and carry out rendering display.
2. signal processing method according to claim 1, it is characterised in that also including step：
If the display Node station can be decoded to the signal data, the signal data is sent to the display Node station
Decoded and rendered display.
3. signal processing method according to claim 2, it is characterised in that be sent to the signal data described new aobvious
After showing that Node station is decoded, or by the signal data be sent to it is described display Node station decoded and rendered display
Afterwards, in addition to step：
The pass window instruction that control software is sent is obtained, wherein the pass window instruction includes the information of window to be closed；
The detection window corresponding first to be closed shows whether Node station and the second display Node station are same display node
Machine, wherein the first display Node station is used to decode the signal data of the window to be closed, the second display node
Machine is used to the signal data of the window to be closed is carried out to render display；
If not same display Node station, sends and receives and dispatches to the described first display Node station and the second display Node station respectively
Data halt instruction, notifies the first display Node station and the second display Node station to stop transceiving data, and update institute
State the load information of the first display Node station.
4. signal processing method according to claim 1, it is characterised in that from other aobvious in addition to the display Node station
Show the display Node station that selection can be decoded to the signal data in Node station, regard the display Node station of selection as new display
The step of Node station, includes：
Detect the present load of other display Node stations in addition to the display Node station；
The minimum display Node station of selection present load is used as new display Node station from other display Node stations.
5. the signal processing method according to Claims 1-4 any one, it is characterised in that the signal source information bag
Include signal source IP address, port numbers, user name and password.
6. a kind of signal processing apparatus, it is characterised in that including：
Open a window order acquisition module, the windowing order for obtaining control software transmission, wherein the windowing order includes signal
Source information, window size and window coordinates；
Signal data acquisition module, for obtaining signal data from corresponding signal source according to the signal source information；
Node station determining module is shown, for the resolution ratio according to each display unit, the window size and window coordinates, in advance
If each display unit with it is each display Node station corresponding relation, the corresponding display node of display unit where determining window
Machine；
Node station judge module is shown, for whether judging the display Node station according to the present load of the display Node station
The signal data of the window can be decoded；
Node station selecting module is shown, for when the display Node station can not be decoded to the signal data, detection to remove institute
The present load of other display Node stations outside display Node station is stated, selects suitable according to the present load of other display Node stations
Display Node station be used as new display Node station；
Data and instruction sending module, are decoded for the signal data to be sent into the new display Node station, and to
The display Node station sends data receiver instruction, notifies the display Node station to receive decoding from the new display Node station
Signal data and progress afterwards renders display, or, send data to the new display Node station and send instruction, notify described new
Decoded signal data is sent to the display Node station and carries out rendering display by display Node station.
7. signal processing apparatus according to claim 6, it is characterised in that also including judging mould with the display Node station
The connected signal data sending module of block；
The signal data sending module is when the display Node station can be decoded to the signal data, by the signal number
Display is decoded and is rendered according to the display Node station is sent to.
8. signal processing apparatus according to claim 7, it is characterised in that also including being sent out respectively with the data and instruction
The pass window module for sending module to be connected with the signal data sending module, the pass window module includes：
Window instruction acquiring unit is closed, the pass window instruction for obtaining control software transmission, wherein the pass window instruction includes waiting to close
Close the information of window；
Node station detection unit is shown, for detecting the corresponding first display Node station of the window to be closed and the second display section
Whether point machine is same display Node station, wherein the first display Node station is used for the signal data to the window to be closed
Decoded, the second display Node station is used to the signal data of the window to be closed is carried out to render display；
Halt instruction transmitting element, for showing that Node station is not same display Node station in the first display Node station and ground two
When, transceiving data halt instruction is sent to the described first display Node station and the second display Node station respectively, notifies described
First display Node station and the second display Node station stop transceiving data, and update the load of the first display Node station
Information.
9. signal processing apparatus according to claim 6, it is characterised in that the display Node station selecting module includes：
Load detecting unit, the present load for detecting other display Node stations in addition to the display Node station；
New display Node station determining unit, the display Node station minimum for the selection present load from other display Node stations is made
For new display Node station.
10. the signal processing apparatus according to claim 6 to 9 any one, it is characterised in that the signal source information bag
Include signal source IP address, port numbers, user name and password.
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| CN105843576B (en) * | 2016-03-25 | 2019-01-29 | 广东威创视讯科技股份有限公司 | A kind of combination windows switching method and device |
| CN106131642B (en) * | 2016-07-08 | 2019-04-16 | 广东威创视讯科技股份有限公司 | A kind of coding/decoding method, server and system being superimposed window |
| CN106776021A (en) * | 2016-12-07 | 2017-05-31 | 广东威创视讯科技股份有限公司 | A kind of processor load method, apparatus and system in a balanced way |
| CN109862284A (en) * | 2019-03-07 | 2019-06-07 | 北京淳中科技股份有限公司 | Signal display control method, method for previewing, device and display & control system |
| CN112042179B (en) * | 2019-12-19 | 2022-05-03 | 威创集团股份有限公司 | Signal processing device for tiled display and signal processing method thereof |
| CN112558909B (en) * | 2020-12-22 | 2023-09-15 | 深圳创维数字技术有限公司 | Adjustment method, system and readable storage medium for splicing wall window |
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