CN103595896B - Ultra high-definition image in different resolution synchronous display method and system - Google Patents
Ultra high-definition image in different resolution synchronous display method and system Download PDFInfo
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Abstract
A kind of ultra high-definition image in different resolution synchronous display method and system, wherein method include step:Obtain the corresponding sub-image signals of each signalling channel;Wherein, the picture signal that the ultra high-definition image in different resolution signal segmentation that the sub-image signals show for needed for is obtained;The read-write pointer that the frame rate conversion of each signalling channel is processed and the read-write pointer of frame buffer treatment are synchronized respectively, and process the sub-image signals according to the read-write pointer after synchronization;The sub-image signals that will be processed by the signalling channel carry out image merging, and are shown on splicing display device.While realizing ultra high-definition image in different resolution simultaneous display by the present invention program, cost is reduced.
Description
Technical field
The present invention relates to tiled display technical field, more particularly to ultra high-definition image in different resolution synchronous display method and it is
System.
Background technology
Ultra high-definition resolution ratio(Ultra High-Definition)Including 4k(3840x2160)、8k(7680x4320)Deng,
Ultra high-definition image in different resolution can the very fine and smooth display effect of band, its picture can carry huge information content, while drawing
Details inside face is very clear, and ultra high-definition image in different resolution is shown with splicing display device, and effect more shakes.
The data volume of each frame of ultra high-definition image in different resolution is big, by that cannot transmit superelevation sorting in common signalling channel
Resolution image.In order to realize that ultra high-definition image in different resolution shows, often according to resolution ratio to current ultra high-definition in conventional art
Image in different resolution signal is split, and the ultrahigh resolution image subsignal after segmentation is suitable to mono signal channel transfer.Using right
The signalling channel of number is answered respectively to transmit to splicing display device the ultrahigh resolution image subsignal after segmentation;It is aobvious in splicing
Each ultrahigh resolution image subsignal is shown on showing device.Due to being divided into multiple subsignals, so in tiled display dress
Sprite asynchronous problem can be caused when putting display, so as to picture break-up phenomenon occur, display effect is influenceed.
It is by advance on splicing display device for each signalling channel outputs sub- window to realize sprite synchronization
Mouthful, the coordinate of subwindow is corresponding with the resolution ratio of ultrahigh resolution image subsignal, and each subwindow is first hidden, and treats all sub- windows
Mouth is after corresponding signalling channel receives corresponding ultrahigh resolution image subsignal, then the unified display superelevation point
Resolution image subsignal, this method of synchronization is waited in display end, is realized synchronously, but with ultra high-definition resolution chart
The resolution ratio of picture is increasing, requirement of real-time more and more higher, and this technology carries out waiting mode in display end cannot fit
Answer ultra high-definition image in different resolution to show to require.
In order to show ultra high-definition image in different resolution, more processing mode is used on splicing display device at this stage, led to
It is often the method using signal processor clock frequency is improved, such as input signal is 3840x2160@30Hz, pixel clock
297MHz, the operation clock of signal processor necessarily be greater than pixel clock, but this technology also with ultra high-definition image in different resolution
Resolution ratio increase and produce obvious defect, such as when image resolution ratio is further added by 8k or image frame per second improving again
When, the frequency of general signal treatment cannot just meet pixel clock requirement, the working frequency of signal processor will as bottleneck, and
And frequency Gao Yuegao, the cost of signal processor is just multiplied, and causes ultra high-definition image in different resolution to show relatively costly.
The content of the invention
Based on this, it is necessary to a kind of problem of high cost during for treatment ultra high-definition image in different resolution signal, there is provided superelevation
Sorting resolution image synchronous display method and system.
A kind of ultra high-definition image in different resolution synchronous display method, including step:
Obtain the corresponding sub-image signals of each signalling channel;Wherein, the superelevation that the sub-image signals show for needed for
The picture signal that the segmentation of sorting resolution picture signal is obtained;
The read-write pointer that the frame rate conversion of each signalling channel is processed and the read-write pointer of frame buffer treatment are carried out respectively
It is synchronous, and the sub-image signals are processed according to the read-write pointer after synchronization;
The sub-image signals that will be processed by the signalling channel carry out image merging, and are carried out on splicing display device
Display.
A kind of ultra high-definition image in different resolution synchronous display system, including:
Acquisition module, for obtaining the corresponding sub-image signals of each signalling channel;Wherein, the sub-image signals are institute
The picture signal that the ultra high-definition image in different resolution signal segmentation that need to be shown is obtained;
Synchronization module, for the read-write pointer for processing the frame rate conversion of each signalling channel and the read-write of frame buffer treatment
Pointer is synchronized respectively, and processes the sub-image signals according to the read-write pointer after synchronization;
Merging module, the sub-image signals for will be processed by the signalling channel carry out image merging,
Display module, for picture signal after merging to be shown on splicing display device.
Above-mentioned ultra high-definition image in different resolution synchronous display method and system, by obtaining the corresponding subgraph of each signalling channel
As signal, the read-write pointer of the read-write pointer that the frame rate conversion of each signalling channel is processed and frame buffer treatment is carried out together respectively
Step, so as to realize synchronization process sub-image signals in each passage, then the sub-image signals of each signalling channel treatment is carried out
Image merges, it is achieved thereby that the simultaneous display on splicing display device.The present invention program is both processed by multi signal passage
Mode, even than the image of ultra high-definition resolution ratio higher resolution, can realize superelevation with real-time processing ultra high-definition resolution ratio
Sorting resolution shows on splicing display device.Also by read and write pointer sharing mode can solve each signal processing channel it
Between the asynchronous problem of sprite caused by frame rate conversion, so as to solve the phenomenon of final image tear, that is, realize it is synchronous, and need not
Wait, real-time is good.In addition, signal processor performance, low cost need not be improved.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of ultra high-definition image in different resolution synchronous display method embodiment of the present invention;
Fig. 2 is the structural representation of ultra high-definition image in different resolution synchronous display system embodiment of the present invention;
Fig. 3 is ultra high-definition image in different resolution synchronous display system of the present invention specifically with the structural representation of example.
Specific embodiment
Below for ultra high-definition image in different resolution synchronous display method of the present invention and system each embodiment carry out it is detailed
Description.
As shown in figure 1, be the schematic flow sheet of ultra high-definition image in different resolution synchronous display method embodiment of the present invention, including
Step:
Step S101:Obtain the corresponding sub-image signals of each signalling channel;Wherein, sub-image signals show for needed for
The picture signal that the segmentation of ultra high-definition image in different resolution signal is obtained;
Wherein, sub-image signals can be split according to resolution ratio to current ultra high-definition image in different resolution signal,
Sub-image signals after segmentation are suitable to mono signal channel transfer.
Wherein in one embodiment, step S101 includes:
Ultra high-definition image in different resolution signal is entered with the multiple proportion of mono signal channel resolution according to ultra high-definition resolution ratio
Row segmentation, obtains sub-image signals, and determines to process the signalling channel number of ultra high-definition image in different resolution signal;
Signalling channel is chosen according to signalling channel number, corresponding sub-image signals are obtained by each signalling channel.
The embodiment is the mode of unified segmentation, i.e., before entering signal passage, first by ultra high-definition image in different resolution signal
Split according to multiple, then each sub-image signals are processed and transmitted by signalling channel.For example work as input signal
In the case of 3840x2160 30Hz, its data flow is the twice of 1920x1080 60Hz, so first splitting picture signal
Into two parts, the real-time display for completing picture signal is merged with two signal processing channels.
In another embodiment, step S101 includes:
Multiple proportion according to ultra high-definition resolution ratio and mono signal channel resolution determines treatment ultra high-definition image in different resolution
The signalling channel number of signal;
Signalling channel is chosen according to signalling channel number, and by ultra high-definition each signalling channel of image in different resolution signal input;
Ultra high-definition image in different resolution signal is split according to signalling channel number respectively by each signalling channel, is obtained
The sub-image signals of each signalling channel.
The embodiment is first to determine signalling channel number, then by complete ultra high-definition image in different resolution signal input to often
In individual signalling channel, the control signal channel segmentation signalling channel sub-image signals to be processed.The processing procedure can with it is rear
Continuous signalling channel carries out shear history while carrying out according to splicing display device screen number.Such as, splicing display device has four
Individual display screen, conventional art needs to cut into four parts in mono signal passage.In this programme, if three signalling channels are same
When process the road ultra high-definition image in different resolution signal, then in the signalling channel, correspondence is cut and is cut into quartersTimes ultra high-definition is differentiated
The picture signal of rate picture signal size, then carries out subsequent treatment.This mode can be reduced divides before entering signal passage
Process time is cut, so as to accelerate whole service processing speed.
In addition, during signalling channel is chosen according to signalling channel number, can arbitrarily choose signalling channel.Any two
Passage more than individual can be with independent assortment.After user opens multiple normal signal windows, two or more are arbitrarily closed general
Logical window, pent signalling channel can output ultra high-definition image in different resolution window with independent assortment.
Step S102:The read-write pointer and the read-write pointer of frame buffer treatment that the frame rate conversion of each signalling channel is processed
Synchronize respectively, and sub-image signals are processed according to the read-write pointer after synchronization;
This step purpose is that the read-write pointer of the frame rate conversion of all signalling channels chosen is consistent(It is synchronous), will be all
The read-write pointer of the frame buffer of the signalling channel chosen is consistent(It is synchronous), so as to the son for realizing the treatment of each signal processing channel is drawn
Face being capable of Complete Synchronization when frame rate conversion and its frame buffer is carried out, it is ensured that sprite is from same super when being finally synthesizing image
Split in high-definition image, so as to not result in the picture break-up of rear end.And without first-class waiting in splicing display device
Unified display again after all subsignals is received, real-time is good.Process ultra high-definition image in different resolution signal when, any two or
Multiple signalling channels can mutually share read-write pointer.
Wherein in one embodiment, step S102 includes:
The one of signalling channel of each signalling channel is set to main signal channel, other signalling channels are set to sub signal and lead to
Road;
Control main signal channel shows signal according to the frame per second and splicing display device of ultra high-definition image in different resolution signal
Frame per second redirects the read-write pointer of frame rate conversion and the read-write pointer of frame buffer, and the corresponding sub-image signals of the signalling channel are carried out
Shearing, frame rate conversion, scaling and frame buffer;
Each sub signal passage is controlled according to the read-write pointer and the read-write pointer of frame buffer of the frame rate conversion of main signal channel,
To that should be sheared to the sub-image signals of the signalling channel, frame rate conversion, scaling and frame buffer.
The present embodiment is that read-write refers to a kind of synchronous implementation,
Used as main signal treatment channel, other passages are sub signal treatment channel to one of passage, and sub signal treatment is logical
Road unification reads and writes pointer using the frame of main signal treatment channel.After user opens multiple normal signal windows, two are arbitrarily closed
Individual or multiple common windows, pent signalling channel can output ultra high-definition image in different resolution window with independent assortment.
Frame rate conversion pointer is shared to must assure that each passage operates in same clock zone, is controlled when using multigroup DDR
When device processed realizes frame buffer, each DDR controller needs to share same PLL, realizes DDR controller clock zone unification used.
Step S103:The sub-image signals that will be processed by signalling channel carry out image merging, and in splicing display device
On shown.
It is, in each signalling channel rear end, the sub-image signals after all segmentations to be merged that image merges, and then will
Picture signal is transferred on splicing display device after merging, such that it is able to realize the complete display of picture signal, also avoids not conforming to
And directly display may caused by picture it is uneven or display be not same secondary picture situation.Such as, when selection wherein is led to
When road is as ultra high-definition resolution image main signal treatment channel, corresponding one or more sub signal of image synthesis unit selection
The sprite of the output for the treatment of channel merges with the sprite of the output of main signal treatment channel;When certain channel selecting is believed for secondary
During number treatment channel, the passage does not do image merging treatment;When certain passage does not process ultra high-definition image in different resolution, the passage
Directly export the result of this passage treatment.
Wherein in one embodiment, when having multichannel ultra high-definition image in different resolution signal while when processing, in tiled display
The step of being shown on device includes:
Each road ultra high-definition image in different resolution is merged the picture signal for obtaining to be overlapped;
Picture signal after superposition is shown on splicing display device.
After the sub-image signals that every road ultra high-definition image is carried out are merged, the merging figure of the road ultra high-definition image is obtained
Picture, the merging image of each road ultra high-definition image is overlapped, you can realize the situation that multi-path high-definition picture signal is processed simultaneously.
The compatible original turn on window of the present invention, when input signal is not ultra high-definition image in different resolution, at each signal
Reason passage can alone complete a windowing for signal, and in this case, frame rate conversion pointer sharing module will be led directly to, respectively
Frame rate conversion and frame buffer in individual signal processing channel are shown the frame of signal by respective input signal and splicing display device
Rate freely redirects read-write pointer.Each signalling channel does not carry out image synthetic work.I.e. when signalling channel is super in nonjoinder treatment
During high definition image in different resolution, normal input signal all the way can be alone processed, realize that multiple signals are opened on splicing display device
Window.
According to the above method, the present invention also provides a kind of ultra high-definition image in different resolution synchronous display system, as shown in Fig. 2
It is the structural representation of ultra high-definition image in different resolution synchronous display system embodiment of the present invention, including:
Acquisition module 210, for obtaining the corresponding sub-image signals of each signalling channel;Wherein, sub-image signals are institute
The picture signal that the ultra high-definition image in different resolution signal segmentation that need to be shown is obtained;
Synchronization module 220, what read-write pointer and frame buffer for the frame rate conversion of each signalling channel to be processed were processed
Read-write pointer is synchronized respectively, and processes sub-image signals according to the read-write pointer after synchronization;
Merging module 230, the sub-image signals for will be processed by signalling channel carry out image merging,
Display module 240, for picture signal after merging to be shown on splicing display device.
Wherein in one embodiment, acquisition module includes:
First segmentation module, for according to the multiple proportion of ultra high-definition resolution ratio and mono signal channel resolution to ultra high-definition
Image in different resolution signal is split, and obtains sub-image signals, and determines that the signal for processing ultra high-definition image in different resolution signal leads to
Road number;
Sub-acquisition module, for choosing signalling channel according to signalling channel number, obtains corresponding by each signalling channel
Sub-image signals.
Wherein in one embodiment, acquisition module includes:
Signalling channel determining module, determines for the multiple proportion according to ultra high-definition resolution ratio and mono signal channel resolution
Process the signalling channel number of ultra high-definition image in different resolution signal;
First choice module, for choosing signalling channel according to signalling channel number, and ultra high-definition image in different resolution is believed
Number each signalling channel of input;
Second segmentation module, for by each signalling channel respectively by ultra high-definition image in different resolution signal according to signalling channel
Number is split, and obtains the sub-image signals of each signalling channel.
Wherein in one embodiment, synchronization module is used for:
The one of signalling channel of each signalling channel is set to main signal channel, other signalling channels are set to sub signal and lead to
Road;
Control main signal channel shows signal according to the frame per second and splicing display device of ultra high-definition image in different resolution signal
Frame per second redirects the read-write pointer of frame rate conversion and the read-write pointer of frame buffer, and the corresponding sub-image signals of the signalling channel are carried out
Shearing, frame rate conversion, scaling and frame buffer;
Each sub signal passage is controlled according to the read-write pointer and the read-write pointer of frame buffer of the frame rate conversion of main signal channel,
To that should be sheared to the sub-image signals of the signalling channel, frame rate conversion, scaling and frame buffer.
Wherein in one embodiment, shown display module includes:
Laminating module, is overlapped for each road ultra high-definition image in different resolution to be merged into the picture signal for obtaining;
Sub- display module, for the picture signal after superposition to be shown on splicing display device.
Lift one specifically to be illustrated with example, as shown in figure 3, being ultra high-definition image in different resolution simultaneous display of the present invention
System is specifically with the structural representation of example.It is that the segmentation of high-definition image is realized in shear module in embodiment.Specifically such as
Under:
According to the multiple of ultra high-definition resolution ratio 3840x2160@30Hz and mono signal channel resolution 1920x1080@60Hz
Relation 2 determines that the signalling channel number for the treatment of ultra high-definition image in different resolution signal is 2;
Signalling channel 0 and signalling channel x are chosen according to signalling channel number(X can be any one in addition to signalling channel 0
Individual signalling channel), and by ultra high-definition each signalling channel of image in different resolution signal input
After ultra high-definition resolution input signal processor, the shear module shearing ultra high-definition image in different resolution of signalling channel 0
Upper field, the shear module of signalling channel x shears the lower field of ultra high-definition image in different resolution.
Signalling channel 0 is main signal processing channel, and signalling channel 0 is jumped according to the requirement of the frame per second and output frame rate of input signal
Turn the pointer of frame rate conversion module and frame buffer module, realize frame rate conversion and scaling to upper half sprite.
Signalling channel x is sub signal treatment channel, and the frame rate conversion module and frame buffer module in signalling channel x use letter
Frame read-write pointer in number passage 0 is redirected, realize with the sprite frame rate conversion in signalling channel 0 synchronously redirect, it is ensured that
Upper and lower two sprites process Complete Synchronization in signalling channel 0 and signalling channel x.
Under the upper field sprite that the image synthesis unit of signalling channel 0 exports this passage is exported with signalling channel x
Field sprite synthesizes the complete image of a frame, and exports to laminating module.
The image synthesis unit of signalling channel x not output image signal, the image that laminating module exports signalling channel 0 with
Exported after the windowed signal superposition of other signalling channels output.
Ultra high-definition image in different resolution synchronous display system of the invention is synchronous with ultra high-definition image in different resolution of the invention aobvious
Show method be it is one-to-one, correlation technique feature in above-mentioned ultra high-definition image in different resolution synchronous display method embodiment and its
Technique effect suitable for ultra high-definition image in different resolution synchronous display system embodiment, will not be repeated here.
Embodiment described above only expresses several embodiments of the invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Shield scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of ultra high-definition image in different resolution synchronous display method, it is characterised in that including step:
Obtain the corresponding sub-image signals of each signalling channel;Wherein, the superelevation sorting that the sub-image signals show for needed for
The picture signal that the segmentation of resolution picture signal is obtained;
The read-write pointer that the frame rate conversion of each signalling channel is processed and the read-write pointer of frame buffer treatment are synchronized respectively,
Make the read-write pointer of the frame rate conversion of all signalling channels chosen consistent, the read-write of the frame buffer of all signalling channels chosen
Pointer is consistent;And the sub-image signals are processed according to the read-write pointer after synchronization;The son that will be processed by the signalling channel
Picture signal carries out image merging, and is shown on splicing display device.
2. ultra high-definition image in different resolution synchronous display method according to claim 1, it is characterised in that the acquisition each
The corresponding sub-image signals step of signalling channel, including:
The ultra high-definition image in different resolution signal is entered with the multiple proportion of mono signal channel resolution according to ultra high-definition resolution ratio
Row segmentation, obtains sub-image signals, and determines to process the signalling channel number of ultra high-definition image in different resolution signal;
Signalling channel is chosen according to signalling channel number, the corresponding sub-image signals are obtained by each signalling channel.
3. ultra high-definition image in different resolution synchronous display method according to claim 1, it is characterised in that the acquisition each
The corresponding sub-image signals step of signalling channel, including:
Multiple proportion according to ultra high-definition resolution ratio and mono signal channel resolution determines the treatment ultra high-definition image in different resolution
The signalling channel number of signal;
Signalling channel is chosen according to signalling channel number, and by each signalling channel of ultra high-definition image in different resolution signal input;
The ultra high-definition image in different resolution signal is split according to signalling channel number respectively by each signalling channel, is obtained
The sub-image signals of each signalling channel.
4. the ultra high-definition image in different resolution synchronous display method according to claims 1 to 3 any one, it is characterised in that
The read-write pointer and the read-write pointer of frame buffer treatment that the frame rate conversion by each signalling channel is processed are synchronized respectively,
And the sub-image signals step is processed according to the read-write pointer after synchronization, including:
Each one of signalling channel of signalling channel is set to main signal channel, other signalling channels are set to sub signal and lead to
Road;
Control main signal channel shows signal according to the frame per second and splicing display device of the ultra high-definition image in different resolution signal
Frame per second redirects the read-write pointer of frame rate conversion and the read-write pointer of frame buffer, and the corresponding sub-image signals of the signalling channel are carried out
Shearing, frame rate conversion, scaling and frame buffer;
Each sub signal passage is controlled according to the read-write pointer and the read-write pointer of frame buffer of the frame rate conversion of main signal channel, correspondence
The sub-image signals of the signalling channel are sheared, frame rate conversion, scaling and frame buffer.
5. the ultra high-definition image in different resolution synchronous display method according to claims 1 to 3 any one, it is characterised in that
The step of being shown on splicing display device includes:
Each road ultra high-definition image in different resolution is merged the picture signal for obtaining to be overlapped;
Picture signal after superposition is shown on splicing display device.
6. a kind of ultra high-definition image in different resolution synchronous display system, it is characterised in that including:
Acquisition module, for obtaining the corresponding sub-image signals of each signalling channel;Wherein, the sub-image signals show for needed for
The picture signal that the ultra high-definition image in different resolution signal segmentation shown is obtained;
Synchronization module, for the read-write pointer and the read-write pointer of frame buffer treatment that process the frame rate conversion of each signalling channel
Synchronize respectively, make the read-write pointer of the frame rate conversion of all signalling channels chosen consistent, all signalling channels chosen
Frame buffer read-write pointer it is consistent;And the sub-image signals are processed according to the read-write pointer after synchronization;Merging module, is used for
The sub-image signals that will be processed by the signalling channel carry out image merging,
Display module, for picture signal after merging to be shown on splicing display device.
7. ultra high-definition image in different resolution synchronous display system according to claim 6, it is characterised in that the acquisition module
Including:
First segmentation module, for according to the multiple proportion of ultra high-definition resolution ratio and mono signal channel resolution to the ultra high-definition
Image in different resolution signal is split, and obtains sub-image signals, and determines that the signal for processing ultra high-definition image in different resolution signal leads to
Road number;
Sub-acquisition module, for choosing signalling channel according to signalling channel number, obtains described right by each signalling channel
The sub-image signals answered.
8. ultra high-definition image in different resolution synchronous display system according to claim 6, it is characterised in that the acquisition module
Including:
Signalling channel determining module, is processed for the multiple proportion determination according to ultra high-definition resolution ratio and mono signal channel resolution
The signalling channel number of the ultra high-definition image in different resolution signal;
First choice module, for choosing signalling channel according to signalling channel number, and the ultra high-definition image in different resolution is believed
Number each signalling channel of input;
Second segmentation module, for by each signalling channel respectively by the ultra high-definition image in different resolution signal according to signalling channel
Number is split, and obtains the sub-image signals of each signalling channel.
9. the ultra high-definition image in different resolution synchronous display system according to claim 6 to 8 any one, it is characterised in that
The synchronization module is used for:
Each one of signalling channel of signalling channel is set to main signal channel, other signalling channels are set to sub signal and lead to
Road;
Control main signal channel shows signal according to the frame per second and splicing display device of the ultra high-definition image in different resolution signal
Frame per second redirects the read-write pointer of frame rate conversion and the read-write pointer of frame buffer, and the corresponding sub-image signals of the signalling channel are carried out
Shearing, frame rate conversion, scaling and frame buffer;
Each sub signal passage is controlled according to the read-write pointer and the read-write pointer of frame buffer of the frame rate conversion of main signal channel, correspondence
The sub-image signals of the signalling channel are sheared, frame rate conversion, scaling and frame buffer.
10. the ultra high-definition image in different resolution synchronous display system according to claim 6 to 8 any one, it is characterised in that
Shown display module includes:
Laminating module, is overlapped for each road ultra high-definition image in different resolution to be merged into the picture signal for obtaining;
Sub- display module, for the picture signal after superposition to be shown on splicing display device.
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