The content of the invention
Method, mosaic screen and the system of a kind of automatic regulating signal source resolution ratio are the embodiment of the invention provides, is solvedIn the middle of actual application, no matter viewing area of the video window on mosaic screen has much, and splicing screen system is obtained from signal sourceThe video resolution got all is constant, and mostly with highest resolution output, but when video window is aobvious on mosaic screenWhen showing that region is lower than the resolution ratio of vision signal, the technology that additional resolution ratio wastes the decoding capability of mosaic screen is askedTopic.
A kind of method of the automatic regulating signal source resolution ratio of the embodiment of the present invention, including：
S1：The video data of resolution ratio corresponding with the video window size on mosaic screen is asked to corresponding signal source；
S2：Receive the video data of the corresponding resolution ratio that signal source sends.
Preferably,
Also include before the step S1：
S0：The resolution information of the video window on record concatenation screen, obtains the signal from the signal sourceThe signal resolution list that source is currently supported, is regarded by video window width described in priority match or by described in priority matchFrequency window height matches one with video window resolution by the signal resolution list total resolution sizeRate information identical signal resolution information.
Preferably,
The step S1 is specifically included：
One for being matched from the signal resolution list believes with the video window resolution information identicalNumber resolution ratio is fed back to the signal source, while asking the signal source to send and the video window resolution information identicalThe signal bit stream of signal resolution.
Preferably,
The step S2 is specifically included：
The signal bit stream with the video window resolution information identical signal resolution that signal source sends is received, willThe signal bit stream decoding display.
A kind of mosaic screen of the automatic regulating signal source resolution ratio in the embodiment of the present invention, including：
Request unit, for asking resolution ratio corresponding with the video window size on mosaic screen to corresponding signal sourceVideo data；
Receiving unit, the video data of the corresponding resolution ratio for receiving signal source transmission.
Preferably, also include：
Recording unit, for the resolution information of the video window on record concatenation screen；
Acquiring unit, for obtaining the signal resolution list that the signal source is currently supported from the signal source；
Matching unit, for by video window width described in priority match or by video window described in priority matchHeight matches one with the video window resolution information by the signal resolution list total resolution sizeIdentical signal resolution information.
Preferably,
The request unit is specifically included：
Feedback subelement, specifically for will be matched from the signal resolution list one and the video windowResolution information identical signal resolution is fed back to the signal source；
Request subelement, believes specifically for asking the signal source to send with the video window resolution information identicalThe signal bit stream of number resolution ratio.
Preferably,
The receiving unit is specifically included：
Receiving subelement, specifically for reception signal source transmission and the video window resolution information identical signalThe signal bit stream of resolution ratio；
Display subelement, shows specifically for the signal bit stream is decoded.
A kind of system of the automatic regulating signal source resolution ratio in the embodiment of the present invention, including：
Mosaic screen as described in claim 5-8, signal source, wherein the mosaic screen and the signal source are by wirelessSignal is connected.
Preferably,
The resolution ratio of the signal source is 1920x1080 resolution ratio and/or 1400x1050 resolution ratio and/or 1024x768Resolution ratio.
As can be seen from the above technical solutions, the embodiment of the present invention has advantages below：
Method, mosaic screen and the system of a kind of automatic regulating signal source resolution ratio are the embodiment of the invention provides, wherein oneThe method for planting automatic regulating signal source resolution ratio includes：S1：It is big with video window on mosaic screen to the request of corresponding signal sourceThe video data of small corresponding resolution ratio；S2：Receive the video data of the corresponding resolution ratio that signal source sends.The present embodimentIn, the video counts of given resolution are asked when asking video data to signal source by mosaic screen by the window size on screenAccording to signal source respond request and the externally video data of output given resolution, by the video frequency output of dynamic regulation signal sourceResolution ratio, mitigates the decoding pressure of whole mosaic screen, improves the decoding way of mosaic screen, solves in the middle of actual application,No matter viewing area of the video window on mosaic screen has much, and the video resolution that splicing screen system is got from signal source is allIt is constant, and mostly with highest resolution output, but when viewing area of the video window on mosaic screen is than vision signalWhen resolution ratio will be low, additional resolution ratio wastes the technical problem of the decoding capability of mosaic screen.
Specific embodiment
Method, mosaic screen and the system of a kind of automatic regulating signal source resolution ratio are the embodiment of the invention provides, for solvingCertainly in the middle of actual application, no matter viewing area of the video window on mosaic screen has much, splices screen system from signal sourceThe video resolution for getting all is constant, and mostly with highest resolution output, but when video window is on mosaic screenWhen viewing area is lower than the resolution ratio of vision signal, the technology that additional resolution ratio wastes the decoding capability of mosaic screen is askedTopic.
To enable that goal of the invention of the invention, feature, advantage are more obvious and understandable, below in conjunction with the present inventionAccompanying drawing in embodiment, is clearly and completely described, it is clear that disclosed below to the technical scheme in the embodiment of the present inventionEmbodiment be only a part of embodiment of the invention, and not all embodiment.Based on the embodiment in the present invention, this areaAll other embodiment that those of ordinary skill is obtained under the premise of creative work is not made, belongs to protection of the present inventionScope.
Fig. 1 is referred to, an a kind of reality of the method for the automatic regulating signal source resolution ratio provided in the embodiment of the present inventionApplying example includes：
101st, the video data of resolution ratio corresponding with the video window size on mosaic screen is asked to corresponding signal source；
Mosaic screen asks the video counts of correspondence resolution ratio to corresponding signal source according to the video window size on mosaic screenAccording to.
102nd, the video data of the corresponding resolution ratio that signal source sends is received.
After video data of the mosaic screen according to the video window size on mosaic screen to signal source request correspondence resolution ratio, letterNumber source respond request simultaneously externally exports the video data of given resolution, and mosaic screen receives the corresponding resolution ratio that signal source sendsVideo data.
In the present embodiment, ask specified by the window size on screen when asking video data to signal source by mosaic screenThe video data of resolution ratio, externally signal source respond request and the video data of output given resolution, is believed by dynamic regulationThe video output resolution in number source, mitigates the decoding pressure of whole mosaic screen, improves the decoding way of mosaic screen, solves in realityIn the middle of the application on border, no matter viewing area of the video window on mosaic screen has much, and splicing screen system gets from signal sourceVideo resolution be all constant, and exported with highest resolution mostly, but the viewing area when video window on mosaic screenWhen domain is lower than the resolution ratio of vision signal, additional resolution ratio wastes the technical problem of the decoding capability of mosaic screen.
The above is that a kind of process of the method for automatic regulating signal source resolution ratio is described in detail, below will be to oneThe detailed process for planting the method for automatic regulating signal source resolution ratio is described in detail, and Fig. 2 is referred to, in the embodiment of the present inventionA kind of another embodiment of the method for the automatic regulating signal source resolution ratio for providing includes：
201st, the resolution information of the video window on record concatenation screen, obtains the signal from the signal sourceThe signal resolution list that source is currently supported, is regarded by video window width described in priority match or by described in priority matchFrequency window height matches one with video window resolution by the signal resolution list total resolution sizeRate information identical signal resolution information；
It is big in the resolution ratio of display screen that mosaic screen system windows management module records current window when video window is set upIt is small, and window resolution information is fed back to data demand module, data demand module obtains signal source from signal source in advanceThe current signal resolution list supported, by video window width described in priority match or by video described in priority matchWindow height or by the signal resolution list total resolution size, one is matched from signal resolution list and is connectThe signal resolution of nearly window resolution.
202nd, for being matched from the signal resolution list is identical with the video window resolution informationSignal resolution fed back to the signal source, while asking the signal source to send and the video window resolution information phaseThe signal bit stream of same signal resolution；
To be matched from the signal resolution list one of data demand module and the video window resolutionInformation identical signal resolution is fed back to the signal source, while request signal source sends the signal bit stream of the resolution ratio.
203rd, the code stream letter with the video window resolution information identical signal resolution that signal source sends is receivedNumber, the signal bit stream is decoded and is shown.
Signal source returns to the video counts of correspondence resolution ratio to data demand module according to the signal bit stream of the resolution ratio of requestAccording to after the video data for receiving correspondence resolution ratio, the video data that will be received is forwarded to decoding mould to data demand moduleBlock, decoder module decodes display after receiving video data.
In the present embodiment, correspondence resolution is got from signal source according to the video window size on mosaic screen by mosaic screenThe video data of rate, it is proposed that a kind of request method of signal source dynamic resolution data, according to the video window on mosaic screenSize, to the video data of corresponding signal source request correspondence resolution ratio, it is to avoid less video window is to letter on mosaic screenResolution signal higher is asked in number source, and the decoding pressure to reducing whole splicing screen system has positive effect, solves in realityIn the middle of the application on border, no matter viewing area of the video window on mosaic screen has much, and splicing screen system gets from signal sourceVideo resolution be all constant, and exported with highest resolution mostly, but the viewing area when video window on mosaic screenWhen domain is lower than the resolution ratio of vision signal, additional resolution ratio wastes the technical problem of the decoding capability of mosaic screen.
Fig. 3 is referred to, one of a kind of mosaic screen of the automatic regulating signal source resolution ratio provided in the embodiment of the present inventionEmbodiment includes：
Request unit 301, for asking resolution corresponding with the video window size on mosaic screen to corresponding signal sourceThe video data of rate；
Receiving unit 302, the video data of the corresponding resolution ratio for receiving signal source transmission.
In the present embodiment, asked by the window size on screen when asking video data to signal source by request module 301Ask the video data of given resolution, signal source respond request and the externally video data of output given resolution, by dynamicThe video output resolution in Regulate signal source, mitigates the decoding pressure of whole mosaic screen, improves the decoding way of mosaic screen, solvesIn the middle of actual application, no matter viewing area of the video window on mosaic screen has much, and splicing screen system is from signal sourceThe video resolution for getting all is constant, and mostly with highest resolution output, but when video window is on mosaic screenWhen viewing area is lower than the resolution ratio of vision signal, the technology that additional resolution ratio wastes the decoding capability of mosaic screen is askedTopic.
The above is that a kind of each unit of the mosaic screen of automatic regulating signal source resolution ratio is described in detail, and below willExtra cell is described in detail, Fig. 4 is referred to, a kind of automatic regulating signal source provided in the embodiment of the present invention is differentiatedAnother embodiment of the mosaic screen of rate includes：
Recording unit 401, for the resolution information of the video window on record concatenation screen；
Acquiring unit 402, for obtaining the signal resolution list that the signal source is currently supported from the signal source；
Matching unit 403, for by video window width described in priority match or by video described in priority matchWindow height matches one with the video window resolution by the signal resolution list total resolution sizeInformation identical signal resolution information.
Request unit 404, for asking resolution corresponding with the video window size on mosaic screen to corresponding signal sourceThe video data of rate；
Request unit 404 is specifically included：
Feedback subelement 4041, specifically for will be matched from the signal resolution list one and the videoWindow resolution information identical signal resolution is fed back to the signal source；
Request subelement 4042 is identical with the video window resolution information specifically for asking the signal source to sendSignal resolution signal bit stream.
Receiving unit 405, the video data of the corresponding resolution ratio for receiving signal source transmission；
Receiving unit 405 is specifically included：
Receiving subelement 4051, specifically for reception signal source transmission and the video window resolution information identicalThe signal bit stream of signal resolution；
Display subelement 4052, shows specifically for the signal bit stream is decoded.
In the present embodiment, by the receiving unit 405 of mosaic screen according to the video window size on mosaic screen from signal sourceThe video data of correspondence resolution ratio is got, it is proposed that a kind of request method of signal source dynamic resolution data, according to splicingVideo window size on screen, video data from request unit 404 to corresponding signal source request correspondence resolution ratio, it is to avoid spellConnect the upper less video window of screen and ask resolution signal higher to signal source, the decoding pressure to reducing whole splicing screen systemPower has positive effect, solves in the middle of actual application, and no matter viewing area of the video window on mosaic screen has much, spellsIt is all constant to connect the video resolution that screen system gets from signal source, and is exported with highest resolution mostly, but works as videoWhen viewing area of the window on mosaic screen is lower than the resolution ratio of vision signal, additional resolution ratio wastes mosaic screenThe technical problem of decoding capability.
Fig. 5 is referred to, an a kind of reality of the system of the automatic regulating signal source resolution ratio provided in the embodiment of the present inventionApplying example includes：
Mosaic screen 501, signal source 502；
Wherein described mosaic screen 501 and the signal source 502 are connected by wireless signal.
Further,
The resolution ratio of the signal source is 1920x1080 resolution ratio and/or 1400x1050 resolution ratio and/or 1024x768Resolution ratio.
In the present embodiment, by mosaic screen 501 and signal source 502, when high-definition signal source is linked into the system of mosaic screen 501,When there is a large amount of low resolution windows on mosaic screen 501 simultaneously, mosaic screen 501 can be asked according to window size to signal source 502The signal code stream of low resolution is sought, for the decoding pressure for reducing whole splicing screen system has positive meaning, is solved in realityApplication in the middle of, no matter viewing area of the video window on mosaic screen has much, and splicing screen system gets from signal sourceVideo resolution is all constant, and mostly with highest resolution output, but the viewing area when video window on mosaic screenWhen resolution ratio than vision signal is low, additional resolution ratio wastes the technical problem of the decoding capability of mosaic screen.
Such as a kind of combination window resolution schematic diagram provided in Fig. 6 embodiment of the present invention, two on mosaic screen regardThe display area of frequency window A and B on mosaic screen is different, i.e. both display resolution is different.As can be seen from the figureThe display resolution of window A is smaller than window B.
According to passing method, the window size no matter mosaic screen shields when video data is obtained to signal source is manyIt is few, can all unify to ask the video data of highest resolution to signal source, mosaic screen is received under this method window A and B pairsThe video data answered all is identical resolution ratio, for example, be all 1080P resolution ratio.
But in fact, the viewing area of window A and only needs to provide it 720P resolution ratio well below 1080P in Fig. 6Vision signal all enough in the point-to-point clear display in viewing area of window A.
To improve this present situation, Fig. 7 is referred to, a kind of system architecture diagram proposed in the present embodiment, the wherein work(of systemEnergy module includes data demand module, window management module and Video decoding module.
The step of automatic regulating signal source resolution ratio, includes：
1st, mosaic screen system windows management module records resolution ratio of the current window in display screen when video window is set upSize, and window resolution information is fed back to data demand module.
2nd, data demand module obtains the signal resolution list that signal source is currently supported from signal source in advance, and therefromMatch a signal resolution close to window resolution.
Signal source will can support that common several different resolution ratio is exported.As the corresponding signal source of window A and B supports normalThe resolution ratio such as 1920x1080,1400x1050, the 1024x768 for seeing.
3rd, the resolution information that data demand module will match to feeds back to signal source, while request signal source sends this pointThe signal bit stream of resolution.
Data demand module matches a final code according to the resolution list that window resolution and signal source are supportedFlow point resolution, and bit stream data is asked to signal source with this.Can be taken during matching priority match window width orPerson's window height, or even final matching resolution ratio is selected according to total resolution size.
4th, signal source returns to the video data of correspondence resolution ratio to data demand module according to the resolution ratio of request.
5th, request of data resolution ratio is forwarded to decoder module, decoder module after the video data for receiving given resolutionDisplay is decoded after receiving video data.
In the present embodiment, by the systems and methods, when high-definition signal source is linked into splicing screen system, while mosaic screenOn when there is a large amount of low resolution windows, the signal code stream of low resolution can be asked to signal source according to window size, be dropThe decoding pressure of low whole splicing screen system has positive meaning.
It is apparent to those skilled in the art that, for convenience and simplicity of description, the system of foregoing description,The specific work process of device and unit, may be referred to the corresponding process in preceding method embodiment, will not be repeated here.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method can be withRealize by another way.For example, device embodiment described above is only schematical, for example, the unitDivide, only a kind of division of logic function there can be other dividing mode when actually realizing, for example multiple units or componentCan combine or be desirably integrated into another system, or some features can be ignored, or do not perform.It is another, it is shown orThe coupling each other for discussing or direct-coupling or communication connection can be the indirect couplings of device or unit by some interfacesClose or communicate to connect, can be electrical, mechanical or other forms.
The unit that is illustrated as separating component can be or may not be it is physically separate, it is aobvious as unitThe part for showing can be or may not be physical location, you can with positioned at a place, or can also be distributed to multipleOn NE.Some or all of unit therein can be according to the actual needs selected to realize the mesh of this embodiment scheme's.
In addition, during each functional unit in each embodiment of the invention can be integrated in a processing unit, it is also possible toIt is that unit is individually physically present, it is also possible to which two or more units are integrated in a unit.Above-mentioned integrated listUnit can both be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
If the integrated unit is to realize in the form of SFU software functional unit and as independent production marketing or useWhen, can store in a computer read/write memory medium.Based on such understanding, technical scheme is substantiallyThe part for being contributed to prior art in other words or all or part of the technical scheme can be in the form of software productsEmbody, the computer software product is stored in a storage medium, including some instructions are used to so that a computerEquipment (can be personal computer, server, or network equipment etc.) performs the complete of each embodiment methods described of the inventionPortion or part steps.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-OnlyMemory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journeyThe medium of sequence code.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to precedingEmbodiment is stated to be described in detail the present invention, it will be understood by those within the art that：It still can be to precedingState the technical scheme described in each embodiment to modify, or equivalent is carried out to which part technical characteristic；And theseModification is replaced, and does not make the spirit and scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution.