CN101436396B - Method and system for displaying television wall, and television wall control equipment - Google Patents
Method and system for displaying television wall, and television wall control equipment Download PDFInfo
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- CN101436396B CN101436396B CN2008101727605A CN200810172760A CN101436396B CN 101436396 B CN101436396 B CN 101436396B CN 2008101727605 A CN2008101727605 A CN 2008101727605A CN 200810172760 A CN200810172760 A CN 200810172760A CN 101436396 B CN101436396 B CN 101436396B
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Abstract
The embodiment of the invention provides a video-wall display method, a video-wall display system and a video-wall control device, which are applied to the technical field of electronic information. The video-wall display method comprises outputting a content to be displayed through adopting a piece of obtained synchronizing information for content display to confirm that the content to be displayed needs to be output and displayed, so that when a plurality of video-wall control modules exist, each video-wall control module can only output the corresponding content to be displayed when the video-wall control module outputs synchronizing information for the content display of the content to be displayed synchronously with other video-wall control modules, thus the plurality of the video-wall control modules can control the video-wall display, each video-wall control module is corresponding to one or more split screens of a multi-screen display, the number of the split screens is increased, and the expansibility of the video-wall display system is improved so as to provide support for the multi-screen display of an image with an ultrahigh image resolution; and the display capability of the system is improved simultaneously.
Description
Technical field
The present invention relates to electronic information technical field, particularly video wall display packing, system and video wall opertaing device.
Background technology
Arrival along with the information age, development of internet technology particularly, the needs of information sharing and informix become and become increasingly conspicuous, video conferencing product develops along with the high speed development of various infotecies just, the video wall display system is arisen at the historic moment, thereby has satisfied the demand of people to the image demonstration of super large resolution.Can show video data and picture signal by the video wall display system from personal computer (PC), workstation, video camera, video disc player, player etc., realize the switching demonstration and the mixed display of computer data, image, video image, and realizing the demonstration and the informix of a plurality of window signals, is an informix platform.
Video wall display system the earliest is Dan Ping, and its display device has only a display or projector, and the same time can only show one road input signal source.Afterwards, along with development of technology, the state-of-the-art technology of video wall technology is a video wall multi-screen image overlay system (also claiming the large-screen splicing system) at present, and this system comprises three ingredients:
Program source, displaying contents is provided, and issue the content display command to the video wall control module, mainly comprise the controller of input equipment (as camera, computing machine, video compress disc (VCD), digital video disk (DVD) etc.), switching matrix (three way word signal (RGB) switching matrix or video switching matrix), control switching matrix etc., for example in the multipoint videoconference, switching matrix can be the multiple spot control module (MCU) of a plurality of input equipments of control in some concrete video wall display systems;
The video wall control module, receive the content display command after, according to the display mode of content to be displayed, the demonstration of control video wall display module is as the image mosaic device etc.;
The video wall display module is accepted the control of video wall control module, displaying contents is shown accordingly, as televisor or projector etc.
With reference to video wall multi-screen image overlay system shown in Figure 1, its principle of work is: the input equipment incoming video signal is given switching matrix, the control of the controlled device of switching matrix inputs to the image mosaic device with the vision signal of appointment, and the image mosaic device carries out split screen output processing to this incoming video signal.In above-mentioned existing video wall display system, by using vision signal switching matrix and RGB switching matrix, display video signal and digital signal show the multichannel output signal simultaneously; And be presented on a plurality of split screens by subregion, single image source (such as certain high definition input source), each minute the screen image mutual group become complete image, satisfied the situation of the display resolution deficiency of single screen.
In process to the practice of prior art and research, the present inventor finds: in the technology of existing video wall display system, can only realize the control that single video wall control module shows video wall, make the split screen number of multihead display of system's support can only reach the split screen number that single video wall control module is supported, limited the extendability of system.
Summary of the invention
The embodiment of the invention provides video wall display packing, system and video wall opertaing device, has realized that a plurality of video wall control modules to the control that video wall shows, have improved the extendability of video wall display system.
A kind of video wall display packing that the embodiment of the invention provides comprises:
The video wall control module receives the content display command from program source, comprises the display mode of content to be displayed and described content to be displayed in the described content display command;
The video wall control module obtains the synchronizing information that content shows;
When the synchronizing information that shows according to described content confirmed that content to be displayed needs in the described content display command show, the video wall control module outputed to corresponding video wall display module according to the display mode of described content to be displayed with described content to be displayed and shows.
A kind of video wall display packing that the embodiment of the invention provides comprises:
The video wall control module receives the captions display command from system control module, comprises the dynamic display types that shows captions and described demonstration captions in the described captions display command; The video wall control module obtains the synchronizing information that content shows; When the video wall control module receives the display notification that another video wall control module sends, when synchronizing information that shows according to described content and display notification confirm that the demonstration captions needs in the described captions display command show, according to the dynamic display types of described demonstration captions described demonstration captions are outputed to corresponding video wall display module and show.
A kind of video wall display packing that the embodiment of the invention provides comprises:
The display system control module sends synchronism detection message at least two video wall control modules; The display system control module receives the syn ack message that described at least two video wall control modules are returned according to described synchronism detection message respectively; The display system control module obtains the synchronizing information of the content demonstration of described at least two video wall control module correspondences respectively according to the response time of described synchronism detection message; The display system control module sends to described at least two video wall modules accordingly with the synchronizing information that described content shows, and the content display command that sends the display mode comprise content to be displayed and content to be displayed is to described at least two video wall display modules, so that when the synchronizing information that described at least two video wall control modules show according to described content confirms that the content to be displayed needs in the described content display command show, content to be displayed is exported demonstration according to the display mode of content to be displayed.
A kind of video wall display system that the embodiment of the invention provides comprises at least two video wall control modules and corresponding video wall display module thereof;
Described video wall control module is used to receive the content display command from program source, comprises the display mode of content to be displayed and described content to be displayed in the described content display command; When the synchronizing information that shows according to the content that obtains confirms that content to be displayed needs in the described content display command show, described content to be displayed is outputed to corresponding video wall display module according to the display mode of described content to be displayed; Described video wall display module is used for the displaying contents of described video wall control module output is shown.
A kind of video wall opertaing device that the embodiment of the invention provides comprises:
The order receiver module is used to receive the content display command from program source, comprises the display mode of content to be displayed and described content to be displayed in the described content display command;
Synchronizing information obtains module, is used to obtain the synchronizing information that content shows;
Confirm output module, be used for when obtaining synchronizing information that content that module obtains shows according to described synchronizing information and confirm that the content to be displayed needs of described content display command show, according to the display mode of described content to be displayed described content to be displayed outputed to corresponding video wall display module and show.
The video wall display packing of present embodiment, system and video wall opertaing device, when the synchronizing information that the content that employing obtains shows confirms that content to be displayed need show, then exporting synchronous displaying contents shows to corresponding video wall display module, make when at least two video wall control modules are arranged, each video wall control module only satisfy export the synchronizing information that the content of content to be displayed shows synchronously with other video wall control module after, just can export corresponding content to be displayed, at least two controls that the video wall control module shows video wall can have been realized like this, each video wall control module correspondence one or more split screens of multihead display like this, so just improved the number of split screen, improved the extendability of video wall display system, so that the support to super large image resolution ratio image multihead display to be provided; Also improved simultaneously the display capabilities of system.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of existing video wall multi-screen image overlay system;
Fig. 2 is the process flow diagram of the embodiment of the invention one video wall display packing;
Fig. 3 is that a plurality of video wall control modules are carried out synchronous synoptic diagram in the embodiment of the invention one;
Fig. 4 is the structure flow chart of video conferencing system in the embodiment of the invention;
Fig. 5 is the signaling process figure of the embodiment of the invention two video wall display packings;
Fig. 6 is the signaling process figure of the embodiment of the invention three video wall display packings;
Fig. 7 is the structural representation that captions dynamically show in the embodiment of the invention three;
Fig. 8 is the structural representation of system embodiment one video wall display system of the present invention;
Fig. 9 is the structural representation of system embodiment two video wall display systems of the present invention;
Figure 10 is the structural representation of present device embodiment one video wall opertaing device;
Figure 11 is the structural representation of present device embodiment two video wall opertaing devices;
Figure 12 is the structural representation of present device embodiment three video wall opertaing devices;
Figure 13 is the structural representation of present device embodiment four video wall opertaing devices.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Embodiment one, a kind of video wall display packing, the method for present embodiment is the method at the video wall display system, and can comprise a plurality of (at least two) video wall control module, process flow diagram comprises as shown in Figure 2:
Be appreciated that, the content display command that receives is the program source from system, and the content display command can be the video display command, captions display command etc., and comprising in described content display command to need content displayed (as video, captions etc.) and the display mode of described content to be displayed, display mode is following one or more: the port information that content shows, show size, display size, color, display parameter such as the static state demonstration of captions or dynamic demonstration, especially, if described content display command is the video display command, also comprise the video code flow that needs show.
Be appreciated that, the video wall display system of present embodiment is when showing, the video wall display module is subjected to the control of a plurality of video wall control modules, the displaying contents that shows is from different Controlling Source, and needing described different Controlling Source is that the video wall control module shows according to the synchronizing information control video wall display module that content shows.The synchronizing information that the content here shows is meant that a plurality of video wall control modules export the information of content corresponding display command to the video wall display module synchronously, mainly refers to the synchronization delay time etc.
The synchronizing information that described content shows can be to preset in the video wall display system, also can be that a plurality of video wall control modules are consulted mutually, can also be after the video wall display system is opened, if need carry out the demonstration of video wall, obtain after carrying out synchronously to a plurality of video wall control modules in the system etc., the method that obtains the synchronizing information of content demonstration is not construed as limiting the invention.Above-mentioned pass through to carry out a plurality of video wall control modules synchronously the back obtains the synchronizing information that content shows, can be that the third party carries out synchronously a plurality of video wall control modules, specifically realization as follows, synoptic diagram as shown in Figure 3:
A1, display system control module (being foregoing program source) send synchronism detection message to a plurality of video wall control modules (is example with video wall control A and video wall control B), start timer simultaneously, to calculate the time of transmission of messages.
The display system control module here is the module of the demonstration of video wall being dispatched according to the concrete resource of video wall display system, sends the content display command to a plurality of video wall control modules.And the fundamental purpose of the synchronism detection message that sends is test post required time in transmission link.
A2, video wall control module are obtained described synchronism detection message, return syn ack message according to described synchronism detection message.
A3, display system control module are received the syn ack message of video wall control A, and the value of record timer is Ta (Ta=t1+t2); The display system control module is received the syn ack message of video wall control B, the value Tb (Tb=t3+t4) of record timer.
A4, described display system control module are Ta, Tb according to the response time of described synchronism detection message, obtain the synchronizing information of the content demonstration of video wall control module A and B respectively, and send the synchronizing information that content shows and control A to video wall, the synchronization delay time that can comprise video wall control A in the synchronizing information that content shows is Max (Ta, Tb)-Ta; The synchronizing information that sends the content demonstration is controlled B to video wall, and the synchronization delay time that wherein can comprise video wall control B is Max (Ta, Tb)-Tb.
A5, video wall control A and video wall control B obtain the synchronizing information that content that described display system control module obtains according to syn ack message shows respectively.
From above-mentioned third party is synchronous, the third party be by in a plurality of video wall control modules to response time (as Ta, the Tb) maximal value of described synchronism detection message and as described at least two video wall control modules respectively to as described in synchronism detection message should the time difference, obtain synchronizing information that each self-corresponding content of described video wall control module shows.
The above-mentioned synchronizing information of passing through a plurality of video wall control modules are carried out the demonstration of the content of back acquisition synchronously also can be that first party is synchronous, specifically realizes as follows:
A video wall control module in b1, a plurality of video wall control module sends synchronism detection message to other video wall control module;
B2, a described video wall control module receive the syn ack message that described other video wall control module is returned according to synchronism detection message, calculate other video wall control module synchronization delay time separately respectively, computing method repeat no more inferior as previously mentioned.
B3, a described video wall control module send to described other each video wall control module with other video wall control module synchronization delay time separately respectively by the synchronizing information that content shows.
The synchronizing information that step 103, video wall control module show according to described content confirms that the content to be displayed needs in the described content display command show;
Be appreciated that, this step can realize by the following method: with above-mentioned synchronous back video wall control A and video wall control B is example, video wall control A confirmed according to the synchronization delay time in the synchronizing information of content demonstration, if the described synchronization delay time is 0, then execution in step 104, if synchronization delay time Max (Ta, Tb)-Ta is not 0, then (behind the Max (Ta, Tb)-Ta)/2, execution in step 104 again in delay.
The video wall display packing of present embodiment, adopt the synchronizing information of the content demonstration that obtains to judge whether content to be displayed can export demonstration, if, then output, make when a plurality of video wall control module is arranged, each video wall control module only satisfy export the synchronizing information that the content of content to be displayed shows synchronously with other video wall control module after, just can export corresponding content to be displayed, can realize the control that a plurality of video wall control modules show video wall like this, each video wall control module correspondence one or more split screens of multihead display like this, so just improved the number of split screen, improved the extendability of video wall display system, so that the support to super large image resolution ratio image multihead display to be provided; Also improved simultaneously the display capabilities of system.
Video wall display packing of the present invention is based on the video wall display system, can be applied in the video conferencing system, but be not limited only to video conferencing system.Be that example is described whole technical proposal in detail below with the video conferencing system.As shown in Figure 4, video conferencing system comprises six modules compositions such as system's control, multiple spot control (MCU), terminal input, Network Transmission, a plurality of video wall control (being at least two video wall control module A, B) and video wall demonstration in the embodiment of the invention.Wherein:
System control module is according to the resource situation scheduling video wall display conference of total system, and resource mainly refers to Internet resources and video wall shows resource, and this resource reports system control module when total system starts;
MCU is the kernel control module of multi-spot video conference system, behind the traffic order of receiving system control module, each terminal meeting-place of incoming call (comprising the access of the Media Stream of each terminal), when receiving the content display command of the video wall display conference that system control module issues, resolve described content display command and obtain terminal meeting field information and video wall schedule information, the content display command that sends the video wall meeting is to each video wall control module, and configuration simultaneously specifies the meeting-place code stream to give each video wall control module;
The terminal load module is the input source of total system, be responsible for to wait for the calling of MCU module, and the code stream in terminal meeting-place is sent to the MCU module;
Network Transmission is responsible for the data of system control module and MCU module, terminal load module and MCU module, MCU module and video wall control module etc. and professional mutual and transmission;
The video wall control module is the nucleus module of total system, reception is from the video wall display command of MCU module or system's control, resolve described video wall display command and obtain video data (position in the code stream decoding image and the size that comprise the image that needs show), and video data is issued the video wall display module show;
The video wall display module receives the video data from the video wall control module, and video data is presented on the display device.
The video wall display system is by the video wall display packing of embodiment following examples two and embodiment three in the present embodiment, promptly by obtaining the synchronizing information that content shows, according to the content display command, can realize that a plurality of video wall control modules control corresponding television wall carry out the multihead display of video code flow synchronously, improved the extendability of video wall display system, so that the support to super large image resolution ratio image multihead display to be provided; Also improved simultaneously the display capabilities of system.
Embodiment two, a kind of video wall display packing, the content display command is the video display command in the present embodiment, and in the present embodiment, the synchronizing information that obtains the content demonstration is by the third party a plurality of (at least two) video wall control module to be carried out synchronous method to obtain, signaling process figure comprises as shown in Figure 5:
Step 201, system control module are held the video wall meeting, issue video wall display conference traffic order by Network Transmission and give the MCU module;
Step 202, MCU module are received resolve command after the order of video wall conference dispatching, needing to obtain the terminal meeting field information of demonstration, MCU calls out each terminal meeting-place of video wall meeting, each terminal meeting-place affiliation, and the MCU module can be given system control module with the resource reporting of system;
Step 203, system control module issue video image stack order according to the resource of system and give the MCU module, content display end slogan in the described video image stack order, show the mode (picture position of multihead display (ratio value) and the area size in decoded picture (ratio value)) of meeting-place and demonstration;
After step 204, MCU module receive video image stack order, it is resolved, obtain the display message of video, need to obtain the video code flow of demonstration simultaneously from each terminal, and a plurality of video wall control modules are carried out synchronously, the synchronizing information that a plurality of contents are shown sends to described a plurality of video wall control module accordingly, and method is as described in the embodiment one;
The synchronizing information that described content shows can be to preset in the video wall display system, also can be that a plurality of video wall control modules are consulted mutually, can also be after the video wall display system is opened, if need carry out the demonstration of video wall, obtain after carrying out synchronously to a plurality of video wall control modules in the system etc., the method that obtains the synchronizing information of content demonstration is not construed as limiting the invention.The back obtains the synchronizing information that content shows by a plurality of video wall control modules being carried out synchronously in the present embodiment, is that the third party carries out a plurality of video wall control modules synchronously.
Be appreciated that in the present embodiment that to adopt the third party synchronous, and the third party refers to the MCU module, and synchronous process can be carried out constantly at other that do not dispatch the video wall display conference.
Step 205, MCU module send the video display command to a plurality of video wall control modules, comprise the display message of video code flow and described video code flow in the described content;
Step 206, a plurality of video wall control module are created corresponding demoder after receiving separately video display command, video code flow in the video display command is decoded, obtain decoded picture, and the video code flow needs in the synchronizing information that shows according to the content that obtains in the step 204 respectively video display command confirming to receive separately are when showing, described decoded picture is outputed to corresponding display module show synchronously, specifically as described in the embodiment one;
Step 207, demonstration output module receive that video data begins to show.
Present embodiment is that the method for the synchronizing information of received content demonstration realizes the synchronous of each video wall control module, the transmission of the synchronizing information that content shows can be adopted the communication modes of TCP, present embodiment is by obtaining the synchronizing information that content shows, according to the content display command, can realize that a plurality of video wall control modules control corresponding television wall carry out the multihead display of video code flow synchronously.
Embodiment three, a kind of video wall display packing, the content display command is the captions display command in the present embodiment, and in the present embodiment, the synchronizing information that obtains the content demonstration is by the third party a plurality of (at least two) video wall control module to be carried out synchronous method to obtain, and the third party refers to system control module, process flow diagram comprises as shown in Figure 6:
Step 301, a plurality of video wall control module start, report the video wall resource to give system control module, system control module carries out synchronously described a plurality of video wall control modules, and issues the synchronizing information that content corresponding shows, concrete grammar is as described in the embodiment one.
Step 302, system control module issue the captions display command and give a plurality of video wall control modules, comprise the display mode that shows captions and described demonstration captions in the described captions display command.
After step 303, a plurality of video wall control module are received the captions display command, parse the display mode that shows captions, show captions as: static or dynamically, information such as captions image display area size (in proportion) and dynamic motion speed, and, generate the captions image according to the demonstration captions in the captions display command.
When the demonstration captions needs in the captions display command that the synchronizing information that step 304, a plurality of video wall control module show according to the content that receives in the step 301 is confirmed to receive separately show, described captions image is outputed to corresponding display module show.
Be appreciated that if the display message of described demonstration captions is static display message, describedly the captions image is outputed to corresponding display equipment according to display mode show synchronously.
If the display message of described demonstration captions is dynamic display informations, the synchronizing information that the video wall control module shows according to content is controlled the demonstration of video wall display module to the captions image, can also detect the display message of described demonstration captions on corresponding video wall display module, and send the display message of described demonstration captions on corresponding video wall display module and send to another video wall control module, described another video wall control module is controlled next display module.As shown in Figure 7, captions image video wall shows that the demonstration on 1 is to be shown by the synchronizing information control that content shows by video wall control A, the captions image is current to be shown the display message on 1 such as currently shows that at video wall display position, video wall on 1 shows 1 size etc., then sends to video wall control B at video wall when video wall control A detects; Video wall control B confirms to show that according to the synchronizing information of current display message that receives and content demonstration the captions needs when video wall shows 2 demonstration, then show captions according to dynamic display types.Video wall control B also can show that at video wall the display message on 2 sends to video wall A, so just can reach the demonstration of the dynamic circulation of captions with captions.
Here dynamically demonstration also can be to adopt following method to realize: when the video wall control module detects the display message that shows captions to indicate the display position of described demonstration captions is the border of video wall display module, then send display notification and control demonstration to another video wall control module, described another video wall control module is controlled next display module, and described another video wall control module shows the demonstration of captions on next display module according to the synchronizing information control of display notification and content demonstration.
In the dynamic demonstration of above-mentioned dual mode, the synchronizing information that the dynamic motion speed that the speed that shows the captions motion is issued by system control module and the content of video wall control module show is controlled jointly regularly and is realized.
The difference of present embodiment and embodiment two is that present embodiment can realize that a plurality of video wall control modules control corresponding television wall show the multihead display of carrying out captions.The captions image is controlled at each video wall control module by the system control module unification and generates, and the TCP communication modes is adopted in communication between system and the video wall control.
System embodiment one, a kind of video wall display system, structural representation comprises as shown in Figure 8: at least two video wall control modules and corresponding video wall display module thereof are the example explanation with two video wall control modules in the present embodiment, wherein:
Video wall control module 10 is used for the received content display command, comprises the display mode of content to be displayed and described content to be displayed in the described content display command; When the synchronizing information that shows according to the content that obtains confirms that content to be displayed needs in the described content display command show, described content to be displayed is outputed to corresponding video wall display module 11 according to the display mode of described content to be displayed;
Video wall display module 11 is used for the displaying contents of described video wall control module 10 outputs is shown.
Video wall control module 12 is used for the received content display command, comprises the display mode of content to be displayed and described content to be displayed in the described content display command; When the synchronizing information that shows according to the content that obtains confirms that content to be displayed needs in the described content display command show, described content to be displayed is outputed to corresponding video wall display module 13 according to the display mode of described content to be displayed;
Video wall display module 13 is used for the displaying contents of described video wall control module 12 outputs is shown.
The synchronizing information control corresponding television wall display module that a plurality of video wall control modules in the video wall display system in the present embodiment show according to the content that obtains separately carries out content and shows, realized the control that a plurality of video wall control modules show video wall, each video wall control module correspondence one or more split screens of multihead display like this, so just improved the number of split screen, improved the extendability of video wall display system, so that the support to super large image resolution ratio image multihead display to be provided; Also improved simultaneously the display capabilities of system.
System embodiment two, a kind of video wall display system, the difference of present embodiment and system embodiment one is that present embodiment has increased synchronization module 14, structural representation comprises as shown in Figure 9:
Described video wall control module 10 and video wall control module 12 also are used to receive synchronism detection message, return syn ack message, and to obtain synchronizing information that content shows be to obtain by receiving the synchronizing information that content that described synchronization module 14 returns according to described syn ack message shows.
Be appreciated that the synchronizing information that the content here shows mainly comprises the synchronization delay time, and Video Wall Controlled System can be video conferencing system, as previously mentioned, but be not limited only to video conferencing system, can also be on-screen display system etc.
Increased synchronization module 14 in the system of present embodiment, made described a plurality of video wall control module to be undertaken synchronously by synchronization module 14, and obtained the synchronizing information that each self-corresponding content shows, this method is fairly simple, is easy to realize.
Apparatus embodiments one, a kind of video wall opertaing device, structural representation comprises as shown in figure 10:
Wherein, the content display command can be video display command, captions display command etc.; The display mode of described content to be displayed is following one or more: the port information that content shows, the static state that shows size, display size, color, captions show or display parameter such as dynamic demonstration, especially, if described content display command is the video display command, also comprise the video code flow that needs show.
Synchronizing information obtains module 21, is used to obtain the synchronizing information that content shows;
The synchronizing information that described content shows can be to preset in the video wall display system, also can be that a plurality of video wall opertaing devices are consulted mutually, can also be after the video wall display system is opened, if need carry out the demonstration of video wall, obtain after carrying out synchronously to a plurality of video wall opertaing devices in the system etc., the method that obtains the synchronizing information of content demonstration is not construed as limiting the invention.Preparation method does not repeat them here as described in the embodiment one.
In the video wall opertaing device in the present embodiment, confirm that the output that output module 22 adopts the synchronizing information of the content demonstration of synchronizing information acquisition module 21 acquisitions to control content to be displayed shows, make when a plurality of (at least two) video wall opertaing device is arranged, each video wall opertaing device is only after satisfied and other video wall opertaing device are exported the synchronizing information of content to be displayed synchronously, just can export corresponding content to be displayed, can realize the control that a plurality of video wall opertaing devices show video wall like this, and each video wall opertaing device correspondence one or more split screens of multihead display, so just improved the number of split screen, improved the extendability of video wall display system, so that the support to super large image resolution ratio image multihead display to be provided; Also improved simultaneously the display capabilities of system.
Synchronizing information that apparatus embodiments two, a kind of video wall opertaing device, video wall opertaing device in the present embodiment and the difference of embodiment one have been refinements obtains module 21, structural representation as shown in figure 11, described synchronizing information obtains module 21 and comprises:
Present embodiment obtains module 21 by the refinement synchronizing information, make that a plurality of (at least two) video wall opertaing device can be by the synchronizing information that obtains the content demonstration synchronously of miscellaneous equipment, fairly simple, easily row also makes the simple in structure of video wall opertaing device simultaneously.
Apparatus embodiments three, a kind of video wall opertaing device, video wall opertaing device in the present embodiment and the difference of embodiment one are to have increased notice acquisition module 23, startup module 24, information acquisition module 25, information detection module 26 and information sending module 27, structural representation as shown in figure 12, wherein:
Preferably, can also comprise: information acquisition module 25, when described content display command is the captions display commands, and comprise the dynamic display information that shows captions and described demonstration captions in the described captions display command, be used to obtain the current display message of the described demonstration captions that the video wall control module sends; The current display message here can comprise the size that shows the display position of captions on display device, display device, show the demonstration speed of captions etc.The speed that shows the captions motion is controlled regularly realization jointly by the synchronizing information of the content demonstration of dynamic motion speed and video wall opertaing device.
If be appreciated that notice acquisition module 23 receives display notification in the present embodiment, then the described affirmation output module 22 of notice startup module 24 startups is confirmed; If information acquisition module 25 receives the current display message that shows captions, then Notification Validation output module 22 confirms that according to the display message of described demonstration captions and the synchronizing information of content demonstration the content to be displayed needs in the described content display command show; And information detection module 26 is to show the detection of carrying out behind the captions on the video wall display module of this video wall opertaing device control.
The module controls video wall display module that the video wall opertaing device utilization of present embodiment increases carries out the demonstration of dynamic title.
Apparatus embodiments four, a kind of video wall opertaing device, structural representation comprises as shown in figure 13:
Synchronism detection module 40 is used to send synchronism detection message at least two video wall control modules;
The video wall display packing of present embodiment, adopt the synchronizing information affirmation content to be displayed of the content demonstration that obtains to export when showing, then output, make when a plurality of (at least two) video wall control module is arranged, each video wall control module only satisfy export the synchronizing information that the content of content to be displayed shows synchronously with other video wall control module after, just can export corresponding content to be displayed, can realize the control that a plurality of video wall control modules show video wall like this, each video wall control module correspondence one or more split screens of multihead display like this, so just improved the number of split screen, improved the extendability of video wall display system, so that the support to super large image resolution ratio image multihead display to be provided; Also improved simultaneously the display capabilities of system.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method, be to instruct relevant hardware to finish by computer program, described program can be stored in the computer read/write memory medium, this program can comprise the flow process as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-OnlyMemory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
More than video wall display packing, system and video wall opertaing device that the embodiment of the invention provided are described in detail, used specific embodiment herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (18)
1. a video wall display packing is characterized in that, comprising:
The video wall control module receives the content display command from program source, comprises the display mode of content to be displayed and described content to be displayed in the described content display command;
The video wall control module obtains the synchronizing information that content shows;
When the synchronizing information that shows according to described content confirmed that content to be displayed needs in the described content display command show, the video wall control module outputed to corresponding video wall display module according to the display mode of described content to be displayed with described content to be displayed and shows.
2. video wall display packing as claimed in claim 1 is characterized in that, the synchronizing information that described acquisition content shows comprises:
Obtain synchronism detection message, return syn ack message according to described synchronism detection message;
Obtain the synchronizing information of the content demonstration that obtains according to described syn ack message.
3. video wall display packing as claimed in claim 2 is characterized in that, if comprise the synchronization delay time in the synchronizing information that described content shows; Confirm that according to the synchronization delay time in the synchronizing information of described content demonstration the content to be displayed needs in the described content display command show.
4. as the described video wall display packing of each claim of claim 1 to 3, it is characterized in that described content display command is video display message or captions display command;
The display mode of described content to be displayed be following one or more: the static state of display port, display size, captions shows or dynamically shows.
5. a video wall display packing is characterized in that, comprising:
The video wall control module receives the captions display command from system control module, comprises the dynamic display types that shows captions and described demonstration captions in the described captions display command;
The video wall control module obtains the synchronizing information that content shows;
When the video wall control module receives the display notification that another video wall control module sends, when synchronizing information that shows according to described content and display notification confirm that the demonstration captions needs in the described captions display command show, according to the dynamic display types of described demonstration captions described demonstration captions are outputed to corresponding video wall display module and show.
6. video wall display packing as claimed in claim 5 is characterized in that, also comprises after the described reception captions display command: when get access to be the current display message of described demonstration captions the time;
When the synchronizing information that shows according to the current display message of described demonstration captions and content confirms that the demonstration captions needs in the described captions display command show, according to the dynamic display types of described demonstration captions described demonstration captions are outputed to corresponding video wall display module and show.
7. as claim 5 or 6 described video wall display packings, it is characterized in that the synchronizing information that described acquisition content shows comprises: obtain synchronism detection message, return syn ack message according to described synchronism detection message;
Obtain the synchronizing information of the content demonstration that obtains according to described syn ack message.
8. as claim 5 or 6 described video wall display packings, it is characterized in that described dynamic display information according to described demonstration captions outputs to corresponding video wall display module with described demonstration captions and also comprises after showing: the display message that detects described demonstration captions;
Described display message is sent to another video wall display module control demonstration, or when described display message indicates the display position of described demonstration captions to be the border of video wall display module, send display notification and control demonstration to another video wall display module; Described another video wall display module is controlled next video wall display module of described video wall display module.
9. a video wall display packing is characterized in that, comprising:
The display system control module sends synchronism detection message at least two video wall control modules;
The display system control module receives the syn ack message that described at least two video wall control modules are returned according to described synchronism detection message respectively;
The display system control module obtains the synchronizing information of the content demonstration of described at least two video wall control module correspondences respectively according to the response time of described synchronism detection message;
The display system control module sends to described at least two video wall modules accordingly with the synchronizing information that described content shows, and the content display command that sends the display mode comprise content to be displayed and content to be displayed is to described at least two video wall display modules, so that when the synchronizing information that described at least two video wall control modules show according to described content confirms that the content to be displayed needs in the described content display command show, content to be displayed is exported demonstration according to the display mode of content to be displayed.
10. video wall display packing as claimed in claim 9, it is characterized in that, if the synchronizing information that described content shows comprises the synchronization delay time, the synchronizing information that the described content that obtains described at least two video wall control module correspondences respectively shows comprises: calculate respectively in described at least two video wall control modules the response time maximal value of described synchronism detection message and described at least two the video wall control modules difference to the response time of described synchronism detection message.
11. a video wall display system is characterized in that, comprises at least two video wall control modules and corresponding video wall display module thereof;
Described video wall control module is used to receive the content display command from program source, comprises the display mode of content to be displayed and described content to be displayed in the described content display command; When the synchronizing information that shows according to the content that obtains confirms that content to be displayed needs in the described content display command show, described content to be displayed is outputed to corresponding video wall display module according to the display mode of described content to be displayed;
Described video wall display module is used for the displaying contents of described video wall control module output is shown.
12. video wall display system as claimed in claim 11 is characterized in that, also comprises synchronization module, is used to send synchronism detection message to described at least two video wall control modules; After receiving the syn ack message that described at least two video wall control modules return according to described synchronism detection message, according to the response time of described synchronism detection message, obtain the synchronizing information of the content demonstration of described at least two video wall control module correspondences respectively; The synchronizing information that described content is shown sends to described at least two video wall modules accordingly, and sends the content display command to described at least two video wall display modules;
Described video wall control module also is used to receive synchronism detection message, returns syn ack message, and to obtain synchronizing information that content shows be to obtain by receiving the synchronizing information that content that described synchronization module returns according to described syn ack message shows.
13. a video wall opertaing device is characterized in that, comprising:
The order receiver module is used to receive the content display command from program source, comprises the display mode of content to be displayed and described content to be displayed in the described content display command;
Synchronizing information obtains module, is used to obtain the synchronizing information that content shows;
Confirm output module, be used for when obtaining synchronizing information that content that module obtains shows according to described synchronizing information and confirm that the content to be displayed needs of described content display command show, according to the display mode of described content to be displayed described content to be displayed outputed to corresponding video wall display module and show.
14. video wall opertaing device as claimed in claim 13 is characterized in that, described synchronizing information obtains module and comprises:
The synchronous processing submodule is used to obtain synchronism detection message, returns syn ack message according to described synchronism detection message;
The information synchronization submodule is used to obtain the synchronizing information of the content demonstration that obtains according to described syn ack message.
15. as claim 13 or 14 described video wall opertaing devices, it is characterized in that, also comprise: the notice acquisition module, when described content display command is the captions display commands, and comprise the dynamic display information that shows captions and described demonstration captions in the described captions display command, be used to obtain the display notification that the video wall control module sends, and notice startup module is carried out start-up operation;
Start module, be used to start described affirmation output module and confirm.
16. as claim 13 or 14 described video wall opertaing devices, it is characterized in that, also comprise: the information acquisition module, when described content display command is the captions display commands, and comprise the dynamic display information that shows captions and described demonstration captions in the described captions display command, be used to obtain the current display message of the described demonstration captions that the video wall control module sends;
Described affirmation output module confirms that according to the current display message of described demonstration captions and the synchronizing information of content demonstration the demonstration captions needs in the described captions display command show.
17. video wall opertaing device as claimed in claim 13 is characterized in that, also comprises:
The information detection module is used to detect the display message of described demonstration captions;
Information sending module, be used for that the display message that described information detection module detects is sent to another video wall display module and control demonstration, or when the display message of described information detection module detection indicates the display position of described demonstration captions to be the border of video wall display module, send display notification and control demonstration to another video wall display module; Described another video wall display module is controlled next video wall display module of described video wall display module.
18. a video wall opertaing device is characterized in that, comprising:
The synchronism detection module is used to send synchronism detection message at least two video wall control modules;
The syn ack module is used to receive the syn ack message that described at least two video wall control modules are returned according to described synchronism detection message respectively;
Synchronization module is used for the response time according to the synchronism detection message of described syn ack module, obtains the synchronizing information of the content demonstration of described at least two video wall control module correspondences respectively;
Control module, be used for the synchronizing information that described content shows is sent to described at least two video wall modules accordingly, and the content display command that sends the display mode comprise content to be displayed and content to be displayed is to described at least two video wall display modules, so that when the synchronizing information that described at least two video wall control modules show according to described content confirms that the content to be displayed needs in the described content display command show, content to be displayed is exported demonstration according to the display mode of content to be displayed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008101727605A CN101436396B (en) | 2008-12-12 | 2008-12-12 | Method and system for displaying television wall, and television wall control equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008101727605A CN101436396B (en) | 2008-12-12 | 2008-12-12 | Method and system for displaying television wall, and television wall control equipment |
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| CN101436396A CN101436396A (en) | 2009-05-20 |
| CN101436396B true CN101436396B (en) | 2010-09-15 |
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| CN102769741A (en) * | 2012-07-27 | 2012-11-07 | 重庆讯美电子有限公司 | Method and system for simulating LED (light emitting diode) display by television wall |
| CN102902502B (en) * | 2012-09-28 | 2015-06-17 | 威盛电子股份有限公司 | Display system and display method suitable for display wall |
| CN103905842B (en) * | 2012-12-25 | 2017-08-29 | 华为技术有限公司 | Image display method, video server, terminal device and video system |
| TWI523516B (en) * | 2013-04-11 | 2016-02-21 | 威盛電子股份有限公司 | Video wall |
| CN103546764A (en) * | 2013-10-22 | 2014-01-29 | 中国农业银行股份有限公司 | Method and device for displaying information through television wall |
| CN103699350B (en) * | 2013-12-25 | 2017-01-11 | 大道网络（上海）股份有限公司 | Multi-screen integrated display system scheduling device and scheduling method thereof |
| TWI622042B (en) | 2014-10-13 | 2018-04-21 | 緯創資通股份有限公司 | Display matrix, display device and associated display method |
| CN104363521B (en) * | 2014-11-03 | 2018-08-14 | 传线网络科技（上海）有限公司 | A kind of method and system realized double screen or multi-screen splicing and shown |
| CN104519392B (en) * | 2014-12-26 | 2018-02-13 | 广东威创视讯科技股份有限公司 | The switching method and system of a kind of terminal display image of combination |
| CN106331530B (en) * | 2015-06-19 | 2019-11-26 | 杭州海康威视数字技术股份有限公司 | A kind of simultaneously and rapidly switching display methods of video wall, decoding device |
| CN106507148B (en) * | 2015-09-06 | 2019-06-21 | 杭州海康威视数字技术股份有限公司 | Display control method and device |
| CN105704446B (en) * | 2016-01-19 | 2018-12-07 | 浙江大华技术股份有限公司 | A kind of method and device of multiwindow video switching |
| TWI590063B (en) * | 2016-04-26 | 2017-07-01 | 緯創資通股份有限公司 | Display device |
| CN106454010A (en) * | 2016-10-21 | 2017-02-22 | 青岛海信电器股份有限公司 | Synchronous display calibration method for multi-screen spliced display system, displays and multi-screen spliced display system |
| CN107018370B (en) | 2017-04-14 | 2020-06-30 | 威盛电子股份有限公司 | Display method and system for video wall |
| CN107316573A (en) * | 2017-06-15 | 2017-11-03 | 常州机电职业技术学院 | Split screen device, combination of liquid crystals display screen and its method of work under single-chip microcomputer control |
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| TWI679895B (en) * | 2017-12-15 | 2019-12-11 | 宏正自動科技股份有限公司 | Electronic device and image synchronization method |
| CN110248222B (en) * | 2018-11-21 | 2023-03-17 | 浙江大华技术股份有限公司 | Method, device and system for synchronously displaying multiple windows |
| CN109669654A (en) * | 2018-12-22 | 2019-04-23 | 威创集团股份有限公司 | A kind of combination display methods and device |
| CN110557578A (en) * | 2019-09-29 | 2019-12-10 | 苏州科达科技股份有限公司 | Subtitle display device and method for LED spliced screen and related equipment |
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