CN104217394A - Image splicing processor and processing method thereof - Google Patents
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Abstract
The present invention discloses an image splicing processor, to increase the usage of a switch card interface. The image splicing processor is provided with a switch card and an input card connected therewith, an output card and a control card. The control card is further connected with the input card and the output card, and the image splicing processor is further provided with at least one of the following A, B, C types of cascade data channels the input card includes a first input card and a second input card; the A type cascade data channel is a cascade data channel directly connected between the first input card and the second input card; the output card includes the first output card and the second output card; the B type cascade data channel is a cascade data channel directly connected between the first output card and the second output card; the output card includes the first output card and the second output card; and the C type cascade data channel a data loopback channel directly connected for the first output card and/or second output card to return the data back to the switch card.
Description
Technical field
The present invention relates to technical field of image processing, particularly relate to a kind of image mosaic processor and disposal route thereof.
Background technology
Large-screen splicing system is widely used in public security warning, point duty, power scheduling, the monitoring of government department, the command and monitor of telecommunications and public place of entertainment, centralized dispatching and communication system.Refer to projector, liquid crystal or light-emitting diode display for display unit, the high-resolution video wall formed by image mosaic processor.By the control of image mosaic processor, the windowing of each picture can be realized, roam, superpose and convergent-divergent.Image mosaic processor is the nucleus equipment of large-screen splicing system, usually has the output such as multipath VGA or DVI, and every road exports and is connected to a display unit.In whole system, image information is all pooled to the process of image mosaic processor through various channel, and then result is given display unit to present.
Existing image mosaic processor generally includes switch card (or being called handover module) and the input card that connects (or is called load module, for the data processing of input signal, comprise signal adaptation, frame per second and resolution adjustment), output card (or is called output module, for the data processing outputed signal, comprise window superposition etc.) and control card (or being called control module), control card is also connected with input card and output card; During concrete splicing, input card 1 ~ n is used for the raw data of each input source 1 ~ n being converted to the treatable data of splicing switch card; Switch card is used under the effect of controller, creates the mapping channel between input card and output card; Then be presented on tiled display equipment after utilizing output card i ~ j some input source to be carried out the data processing of being correlated with and complete splicing function.
In image mosaic processor, switch card is in occupation of larger cost.Wherein, the input and output port number that arbitrary switch card can provide normally is fixed.Therefore, improve image mosaic processor to the utilization factor of switch card port, just can improve processing power and the cost performance of image mosaic processor; Such as: the utilization factor just transmitting single video in window data by the utilization factor of the multiwindow view data of a port transmission synthesis apparently higher than it.
Summary of the invention
Fundamental purpose of the present invention is open a kind of image mosaic processor, to improve the utilization factor of switch card port.
For reaching above-mentioned purpose, the present invention discloses a kind of image mosaic processor, the input card of switch card and connection thereof, output card and control card be equipped with, described control card is also connected with described input card and output card, and described image mosaic processor is also equipped with at least one of following A, B, C class cascade data passage:
Described input card comprises the first input card and the second input card, and category-A cascade data passage is cascade data passage direct-connected between the first input card and the second input card;
Described output card comprises the first output card and the second output card; Category-B cascade data passage is cascade data passage direct-connected between the first output card and the second output card;
Described output card comprises the first output card and the second output card; C class cascade data passage is the direct-connected data loopback passage that data are returned to described switch card by the first output card and/or the second output card.
For reaching above-mentioned purpose, the present invention also discloses a kind of disposal route of image mosaic processor, and be applied in above-mentioned image mosaic processor, the method comprises:
Create data channel chain, described data channel chain at least comprises at least one of A, B, C class cascade data passage;
Data are transmitted by described data channel chain.
Image mosaic processor disclosed by the invention and disposal route thereof, have following advantage:
On the one hand, the image window that category-A cascade data passage can supply input card at least two to be derived from different input card synthesizes an output image, and send this output image to switch card as a road signal, need to distribute multiple port to receive the view data in different input card unlike signal source respectively compared to existing switch card, the expenditure of switch card input port can be reduced; Category-B cascade data passage can obtain the data after by a upper output card process of cascade with it for correlation output card without switch card, in like manner can reduce the port expenditure of switch card; The port that C class cascade data passage then can utilize switch card vacant to the data (such as: synthesis has the view data of multiple signal source) after output card process carries out secondary utilization (such as, synthesizing the multiple image of more multiwindow); By this, A, B and C class cascade data passage all can improve the utilization factor of switch card port.
On the other hand, because input card and output card have similar or consistent data-handling capacity usually more or less, above-mentioned A, B, and/or the outfit of C class cascade data passage, will between image mosaic processor correlated inputs card and input card, between output card and output card, and the load balancing between input card and output card provides advantage, alleviate the port pressure (such as: the above-mentioned image window at least two being derived from different input card synthesizes an output image and transfers to input card) of switch card, thus make this image mosaic processor have good extendability.
In addition, the outfit of above-mentioned A, B and/or C class cascade data passage, can make the data transfer path after correlated inputs card and/or output card process have selectivity, thus can be the more complicated data channel chain of user's establishment; And, when part line fault, new data channel chain can be created rapidly to reach the demand of user, be convenient to on-the-spot maintenance and emergency processing.
Further, under the acting in conjunction of A, B and C class cascade data passage, if do not consider the repetition of windows content, this image mosaic processor can the ultra-large output image of synthesis window quantity, to meet the various demands of user, and then the quantitative requirement of large-screen splicing system to display unit can be reduced.
Accompanying drawing explanation
The structural representation of Fig. 1 image mosaic processor disclosed in the embodiment of the present invention;
The process flow figure of Fig. 2 image mosaic processor disclosed in the embodiment of the present invention.
Embodiment
Below in conjunction with Figure of description, specific implementation of the present invention is made a detailed description.Example, only for explaining the present invention, is not intended to limit scope of the present invention.
Embodiment one
The present embodiment discloses a kind of image mosaic processor, and as shown in Figure 1, it is equipped with the input card of switch card and connection thereof, output card and control card, and control card is also connected with input card and output card.Wherein, connect corresponding channel type and can be divided into data channel and signalling path.In image mosaic process, usually, control card comprises signalling path and data channel with the passage be connected between input card, output card and switch card, and signalling path is used for signalling and mutual, and data channel then can be used for the data transmission such as base map transmission; And the data channel being mainly used for exchanges data that switch card is connected with between input card and output card.
Optionally, this switch card can be traditional point of crossing switch card (Cross point Switch), its core is X × Y point of crossing electronic switch, by controlling the disconnection of cross point switches and closed can realizing arbitrary input of X-direction and the output UNICOM of Y-direction, its corresponding control can be configured by the pc control procedure of control card and connection thereof.Wherein, this point of crossing switch card, its port switching is connected with corresponding input card and output card by differential pair, switching be directly the pixel-matrix of video data, as vision signals such as VGA, DVI, HDMI.
Optionally, this switch card also can be network switch card.Connected node in this image mosaic processor, as input card, output card and control card etc. are all configured with the corresponding network address, and to forward between each node according to this network address and and outer net between network data; Wherein, the each node processing of inner input card and the output card etc. of this image mosaic processor be the packet (can be considered IP format video signal) of agreement Network Based, it is when data processing, also generally involves coding, decoding, compression, decompresses and one or more in the process such as conversion between above-mentioned vision signal and network signal.
Optionally, the switch card disclosed in the present embodiment also can by the functional module physical integration of above-mentioned point of crossing switch card and network switch card on same board.
As shown in Figure 1, image mosaic processor disclosed in the present embodiment is also equipped with at least one of following A, B, C class cascade data passage:
Category-A cascade data passage is the cascade data passage between two input cards;
Category-B cascade data passage is the cascade data passage between two output cards;
C class cascade data passage is the data loopback passage that data are returned to switch card by output card.
Optionally, above-mentioned cascade data passage and data loopback passage can adopt differential pair (namely paired differential lines) to connect up, and transmit on this differential pair with serial signal.Wherein, differential signal represents difference between two physical quantitys with a numerical value, when taking differential signal scheme when not adopting single-ended signal, carrying out alternative solid conductor by couple of conductor, making the long transmission distance of signal, strong anti-interference performance.The same, with the pixel-matrix of the mainly video data of the direct-connected cascade data channel transfer of differential pair, as vision signals such as VGA, DVI, HDMI.
Above-mentioned input card, usually accessible single channel or multichannel outside source carry out input processing to it, this input processing includes but not limited to one or more combinations in subsequent treatment: the process such as the adjustment of input adaptation (as: Data Format Transform), resolution adjustment, frame frequency, de interlacing and convergent-divergent.In the present embodiment, when above-mentioned image mosaic processor is equipped with category-A cascade data passage, the input card of this category-A cascade data passage association can be equipped with window overlaying function, optionally, corresponding input card can be equipped with the FPGA module performing window overlaying function, preferably, this FPGA module also can be used for performing the function such as resolution adjustment and frame frequency adjustment; In other embodiments, this FPGA module can be substituted by other modules of configurable window overlaying function, such as: the image processing module of the companies such as TI (Texas Instrument), Huawei Hai Si; By this, then correlated inputs card, under the effect of category-A cascade data passage, the image window that at least two can be derived from different input card synthesizes an output image, and send this output image to switch card as a road signal, need to distribute multiple port to receive the view data in different input card unlike signal source respectively compared to existing switch card, the expenditure of switch card input port can be reduced.Concrete, such as:
At least two image windows are superimposed as a composograph by the first input card, and this composograph is exported to the second input card as a road cascade signal through category-A cascade data passage; Then other outside sources that this cascade data and self access are carried out window and superpose by the second input card, synthesize a more road output image of window and send switch card to again.
In the present embodiment, preferably, each input card is by the cascade successively of category-A cascade data passage.By this, then each input card sends to switch card after both can processing the signal source received; Next input card can be sent to again by category-A cascade data passage.It is the same: if each input card is configured with superposition window function module, between first and second input cards of then cascade, after first input card carries out window superposition synthesis output image to multipath signal source at the corresponding levels, can using this output image as next stage, i.e. the second input card, carry out window overlap-add procedure one road signal, and then can the second input card and the more output image of input signal source synthesis window number at the corresponding levels be supplied, then this output image is sent to next input card of switch card and/or cascade as a road signal.
Above-mentioned output card, the single channel that can transmit switch card or multiple signals carry out output processing, and this output processing includes but not limited to one or more combinations in subsequent treatment: the process such as the adjustment of resolution adjustment, frame frequency, convergent-divergent, window superposition, output adaptation.In the present invention, when above-mentioned image mosaic processor is equipped with category-B cascade data passage, the corresponding output card of this category-B cascade data passage association also can be equipped with window overlaying function, optionally, corresponding output card can be equipped with the FPGA module performing window overlaying function, preferably, this FPGA module also can be used for performing the function such as resolution adjustment and frame frequency adjustment; In other embodiments, this FPGA module can be substituted by other modules of configurable window overlaying function, such as: the image processing module of the companies such as TI (Texas Instrument), Huawei Hai Si; By this, then correlation output card, under the effect of category-B cascade data passage, can obtain the data after by a upper output card process of cascade with it without switch card, can reduce the expenditure of switch card port.In like manner, between first and second output cards of then cascade, after first output card can carry out window superposition synthesis output image to reception multipath signal source, again using this output image as next stage, i.e. the second output card, carry out a road signal of window overlap-add procedure, and then the more output image of other signal source synthesis window numbers of the second output card and its reception can be supplied, then this output image is exported to next output card of display unit and/or cascade.
Known in those skilled in the art, input card and output card can adopt differential pair to be connected to transmit data with switch card.Usually, input card and output card can provide multipair differential pair, and a differential pair can be used for transmission of one line serial signal.In the present embodiment, output card also also can send data after process to switch card, to be configured to a kind of specific implementation form of above-mentioned C class cascade data passage by residue differential pair as a road signal.By this, make image mosaic processor disclosed in the present embodiment, can under the effect of C class cascade data passage, realize the data after the process of correlation output card, such as: synthesis has the view data of multiple signal source, the port utilizing switch card vacant carries out secondary utilization, such as, synthesizes the multiple image etc. of more multiwindow.
To sum up, those skilled in the art, can draw apparently:
In an image mosaic processor, can configure above-mentioned A, B, C class cascade data passage, also can be wherein one or both simultaneously.Preferably, each input card is by the cascade successively of category-A cascade data passage; Meanwhile, each output card, by the cascade successively of category-B cascade data passage, is also all equipped with C class cascade data passage between each output card and switch card; Create data channel chain with thinking user flexibility.Wherein, so-called data channel chain, namely refer in image mosaic processor, until export to the combination of the multiple segment data passage between the multinode such as correlated inputs card, switch card, output card before outside spelling wall display unit after data source accesses arbitrary input card from outside.
By this, then image mosaic processor disclosed in the present embodiment can provide the new data channel chain distinguishing over prior art, it at least comprises at least one of A, B, C class cascade data passage, for the corresponding input card on data channel chain or output card, multiple image window is synthesized an output image, and this output image is sent to switch card as a road signal or is cascaded to input card or the output card of next stage; Include but not limited to that the input card of being correlated with is derived from different input card image window by least two synthesizes an output image, and send this output image to switch card as a road signal.
In existing image mosaic processor, a data channel chain often only associates individual input card and output card, is snapped in, gone out after switch card by output card by input; Its corresponding window overlaying function is also all deployed in output card.And the present embodiment can be the more complicated data channel chain of user's establishment, as shown in Figure 1, thick line with arrow is all the cascade data passage that the present embodiment can increase newly, thus the original signal source window view data that input card can be made to access is presented on combination after can flowing through two or more input card and/or two or more output card again.By this, between each function card yet making splicing device disclosed in the present embodiment, circuit structure and data flow are existing not single for another example, and its cost performance and extendability are greatly improved.
Further, image mosaic processor disclosed in the present embodiment also can be equipped with network exchange module (this network exchange module, if be equipped with above-mentioned network switch card, the resource of above-mentioned network switch card can be directly utilized to be replaced), this network exchange module is connected with the input card and/or output card network with IP data processing function.Its connected mode can be wired, also can be wireless (as wifi), considers stability and the cost of signal and equipment, preferred wired connected mode.Wherein, network exchange module carries out the forwarding of data by corresponding network exchange agreement and the information such as IP address and MAC Address, and this is all prior art, does not repeat.By this, then outside source can be packaged into network packet and lead to network cable transmission again to network exchange module, then is distributed to corresponding input card by network exchange module; If input card is child and parent card structure, then relevant network packet is distributed to corresponding subcard, then is undertaken decoding by subcard and the relevant treatment such as Data Format Transform (including but not limited to IP signal to be converted to the vision signals such as VGA or DVI); Structure about child and parent card please refer to No. 201310472493.4 published patents of invention of applicant in this case's earlier application, does not repeat at this.
By this, when disclosed in the present embodiment, image mosaic processor is integrated with network exchange module, by the allocation manager of MAC Address and port numbers, single netting twine can realize the access of a large amount of outside source, compared to existing image mosaic processor by the wire laying mode of each outside source by direct-connected input cards of transmission line such as respective VGA or DVI, greatly can reduce wiring cost when user accesses a large amount of outside source and complexity, be convenient to safeguard and management.
Further, above-mentioned network exchange module is connected with outer net through IP modular converter, and this IP modular converter adopts two network interface.One of them network interface is external, an internal interconnection network Switching Module of network interface, and the IP of each node is in the same network segment in the Intranet IP of this IP modular converter and image stitcher, during work, this IP modular converter is used for each for Intranet IP of node and the IP of outer net to change, with the IP to external shield Intranet, effectively avoid IP address conflict, and promote the security performance of image mosaic processor.Preferably, this IP modular converter also can be used for the load balancing realizing each node of Intranet, and its effect is similar to gateway; When realizing, can refer to CN1859313A patent of invention.In the present embodiment, this IP modular converter can be independently functional module, also can be integrated in control card and be achieved.
To sum up, independent of one another compared to each input card in existing image mosaic processor, each output card is also independent of one another, the complex functionality of many picture windows in this image mosaic processor is made all to concentrate on output card, and the many picture datas of each output card to synthesis only carry out single utilization, namely export to display and show; Thus cause the resource utilization of this image mosaic processor low, and be subject to the restriction of output card processing power, the window number that each display unit can show is also limited.The image mosaic processor that the present embodiment provides also has following advantage:
On the one hand, because input card and output card have similar or consistent data-handling capacity usually more or less, above-mentioned A, B, and/or the outfit of C class cascade data passage, will between image mosaic processor correlated inputs card and input card, between output card and output card, and the load balancing between input card and output card provides advantage, alleviate the port pressure (such as: the above-mentioned image window at least two being derived from different input card synthesizes an output image and transfers to input card) of switch card, thus make this image mosaic processor have good extendability.
On the other hand, the outfit of above-mentioned A, B and/or C class cascade data passage, can make the data transfer path after correlated inputs card and/or output card process have selectivity, thus can be the more complicated data channel chain of user's establishment; And, when part line fault, new data channel chain can be created rapidly to reach the demand of user, be convenient to on-the-spot maintenance and emergency processing.
Further, under the acting in conjunction of A, B and C class cascade data passage, if do not consider the repetition of windows content, this image mosaic processor can the ultra-large many pictures of synthesis window quantity, to meet the various demands of user, and then the quantitative requirement of large-screen splicing system to display unit can be reduced.
Embodiment two
Corresponding with the said equipment embodiment, the present embodiment discloses a kind of disposal route being applied to above-mentioned image mosaic processor.As shown in Figure 2, the method comprises:
Step S1, establishment data channel chain, this data channel chain at least comprises at least one of A, B, C class cascade data passage.
In this step, category-A cascade data passage is cascade data passage direct-connected between the first input card and the second input card; Category-B cascade data passage is cascade data passage direct-connected between the first output card and the second output card; C class cascade data passage is the direct-connected data loopback passage that data are returned to switch card by the first output card and/or the second output card.
Preferably, before this step, (this client can be embedded in control card the client that outfit one and described control card communicate to connect, also can be arranged on other communication facilitiess outside control card, this communication facilities includes but not limited to PC, IPOD or mobile phone terminal), for user by this client configuration data channel chain, optionally, corresponding configuration parameter mainly comprises: each signal source of initial input and final output port.Optionally, this client be provided with signal source input list and with display virtual display one to one, pull the input signal source configuring each virtual display for user.Wherein, this client can be used for the window superimposed image data after using correlated inputs card or output card process as a road signal, and returns to image mosaic processor through existing or corresponding A, B or C class cascade data passage; During to realize the running of image mosaic processor:
Multiple image window is synthesized an output image by the input card on data channel chain or output card, and this output image is sent to switch card or other single or multiple input card and/or output card as a road signal by A, B or C class cascade data passage; And
Input card is derived from different input card image window by least two synthesizes an output image, and sends this output image to switch card as a road signal.
Step S2, by data channel chain transmit data.
Optionally, this step comprises:
At least two image windows are superimposed as a composograph by the first input card, and this composograph is exported to the second input card as a road cascade signal through category-A cascade data passage; And/or
At least two image windows are superimposed as a composograph by the first output card, and this composograph is exported to the second input card as a road cascade signal through category-B cascade data passage; And/or
At least two image windows are superimposed as a composograph by the first output card and/or the second output card, and this composograph is exported to switch card as a road cascade signal through C class cascade data passage, as described switch card one road input signal.
To sum up, the disposal route of image mosaic processor disclosed in the present embodiment, has following advantage:
On the one hand, the image window that category-A cascade data passage can supply input card at least two to be derived from different input card synthesizes an output image, and send this output image to switch card as a road signal, need to distribute multiple port to receive the view data in different input card unlike signal source respectively compared to existing switch card, the expenditure of switch card input port can be reduced; Category-B cascade data passage can obtain the data after by a upper output card process of cascade with it for correlation output card without switch card, in like manner can reduce the port expenditure of switch card; The port that C class cascade data passage then can utilize switch card vacant to the data (such as: synthesis has the view data of multiple signal source) after output card process carries out secondary utilization (such as, synthesizing the multiple image of more multiwindow); By this, A, B and C class cascade data passage all can improve the utilization factor of switch card port.
On the other hand, because input card and output card have similar or consistent data-handling capacity usually more or less, the outfit of above-mentioned A, B and/or C class cascade data passage, provides advantage by for the load balancing between image mosaic processor correlated inputs card and correlation output card; And, between input card and output card partial function transfer or collaborative also will alleviate the port pressure of switch card, such as: the above-mentioned image window at least two being derived from different input card synthesizes an output image and transfers to input card, thus make this image mosaic processor have good extendability.
In addition, the outfit of above-mentioned A, B and/or C class cascade data passage, can make the data transfer path after correlated inputs card and/or output card process have selectivity, thus can be the more complicated data channel chain of user's establishment; And, when part line fault, new data channel chain can be created rapidly to reach the demand of user, be convenient to on-the-spot maintenance and emergency processing.
Further, under the acting in conjunction of A, B and C class cascade data passage, if do not consider the repetition of windows content, this image mosaic processor can the ultra-large many pictures of synthesis window quantity, to meet the various demands of user, and then the quantitative requirement of large-screen splicing system to display unit can be reduced.On the other hand, rule setting more flexibly can also be carried out windowing of output card.Such as: existing output card, suppose have 4 tunnels to export, each output can be fixed and open 4 windows, and after adopting the solution of the present invention, consider that in combination, part display unit can meet the high resolving power display of multiwindow, therefore can again by this rules modification be: 8 windows are opened in 4 outputs altogether, and 8 windows can 4 outlet chamber flexible allocation.
What deserves to be explained is, those skilled in the art, with reference to after the above embodiment of the present invention, easily expects: above-mentioned direct-connected cascade data passage also can be replaced by and realize in the mode of the indirect cascade of network exchange module; That is:
The direct-connected cascade data passage of category-A is replaced by the first input card connects the second input card indirectly network data channels through network exchange module;
In like manner, the cascade data passage that category-B is direct-connected also can be replaced by the first output card connects the second output card indirectly network data channels through network exchange module;
In like manner, the cascade data passage that C class is direct-connected also can be replaced by the data channel that the first and/or second output card returns to switch card again after network exchange module and input card.
But, the replacement scheme of above-mentioned indirect cascade, its essence is also consistent with the framework of network-type image mosaic processor, but to the resource of network exchange module and scheduling requirement very high, add the complicacy of system.
Be only several specific embodiment of the present invention above, but the present invention is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (10)
1. an image mosaic processor, the input card of switch card and connection thereof, output card and control card be equipped with, described control card is also connected with described input card and output card, it is characterized in that, described image mosaic processor is also equipped with at least one of following A, B, C class cascade data passage:
Described input card comprises the first input card and the second input card, and category-A cascade data passage is cascade data passage direct-connected between the first input card and the second input card;
Described output card comprises the first output card and the second output card; Category-B cascade data passage is cascade data passage direct-connected between the first output card and the second output card;
Described output card comprises the first output card and the second output card; C class cascade data passage is the direct-connected data loopback passage that data are returned to described switch card by the first output card and/or the second output card.
2. image mosaic processor according to claim 1, is characterized in that, described cascade data passage adopts differential pair.
3. image mosaic processor according to claim 2, is characterized in that, the quantity of described differential pair is more than a pair or a pair.
4., according to the arbitrary described image mosaic processor of claims 1 to 3, it is characterized in that, be also equipped with network exchange module, described network exchange module is connected with the described input card and/or output card network with IP data processing function.
5. image mosaic processor according to claim 4, is characterized in that, also comprises the IP modular converter that in it, network interface is connected with described network exchange module network, and the outer network interface of described IP modular converter is connected with outer net.
6. according to the arbitrary described image mosaic processor of claims 1 to 3, it is characterized in that, the each described input card of the association of A, B and/or C class cascade data passage and/or output card are configured with superposition window function module, in order at least two image windows are synthesized an output image.
7. a disposal route for image mosaic processor, be applied to as arbitrary in Fig. 1 to 6 as described in image mosaic processor in, it is characterized in that, comprising:
Create data channel chain, described data channel chain at least comprises at least one of A, B, C class cascade data passage;
Data are transmitted by described data channel chain.
8. the disposal route of image mosaic processor according to claim 7, is characterized in that, describedly transmits data by described data channel chain and comprises:
At least two image windows are superimposed as a composograph by the first input card, and this composograph is exported to the second input card as a road cascade signal through category-A cascade data passage; And/or
At least two image windows are superimposed as a composograph by the first output card, and this composograph is exported to the second input card as a road cascade signal through category-B cascade data passage; And/or
At least two image windows are superimposed as a composograph by the first output card and/or the second output card, and this composograph is exported to switch card as a road cascade signal through C class cascade data passage, as described switch card one road input signal.
9. the disposal route of the image mosaic processor according to claim 7 or 8, is characterized in that, also comprises before described establishment data channel chain:
Be equipped with a client communicated to connect with described control card, for user by data channel chain described in described client configuration.
10. the disposal route of image mosaic processor according to claim 9, it is characterized in that, described client be provided with signal source input list and with display virtual display one to one, pull the input signal source configuring each virtual display for user.
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| CN105898558A (en) * | 2015-01-26 | 2016-08-24 | 浙江大华技术股份有限公司 | Video playing method and device |
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