CN102098544A - Image display method of television wall - Google Patents
Image display method of television wall Download PDFInfo
- Publication number
- CN102098544A CN102098544A CN 201010580751 CN201010580751A CN102098544A CN 102098544 A CN102098544 A CN 102098544A CN 201010580751 CN201010580751 CN 201010580751 CN 201010580751 A CN201010580751 A CN 201010580751A CN 102098544 A CN102098544 A CN 102098544A
- Authority
- CN
- China
- Prior art keywords
- video
- container
- video playback
- playback module
- display
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention discloses an image display method of a television wall. The method comprises the following steps that: an application program of a host computer creates a display container 1 in an internal storage, creates N visible video playing modules inside the display container 1 and intensively displays the display container 1 and the video playing modules on one display; when multiple paths of video data are received, the application program of the host computer calls a corresponding video playing module to decode and reduce the current video data for each path of received video data to obtain image information in a red-green-blue (RGB) format, and outputs an image to the inside of the video playing module for displaying; and when layout adjustment of the television wall is started, the application program of the host computer moves each video playing module to a corresponding target display. By the method, the compatibility and the generality of the application program of the host computer with television wall display equipment are enhanced; simultaneously, software decoding and displaying efficiencies are improved, and the host computer has higher video decoding capability and higher play displaying capability.
Description
Technical field
The invention belongs to the Internet video technical field, relate in particular to a kind of method for displaying image of video wall.
Background technology
At present, a lot of video monitoring projects all adopt video wall as display device, use that video wall has been monitored intuitively, characteristics easily, are convenient to the unusual condition that the monitor staff finds target to be monitored in real time.Application number is that 200810180493.6 Chinese patent discloses a kind of " television wall image output system and method ", as shown in Figure 1, video wall image output method wherein comprises: 101, front end unit is to the encoding video signal that collects and be sent to the video wall server; 102, software coding and reduction are carried out to received video flowing in the decoding storehouse of video wall server calls correspondence; 103, the vision signal that will decode after reducing is converted to the vision signal corresponding with the interface of video wall display device, outputs to then on the video wall display device to show.In this method, software decode adopts software by the mode of the computing capability of CPU compressed video flowing to be resolved to naked code stream so that carry out last demonstration at the hardware decoding exactly, and the hardware decoding is to adopt the disposal ability of DSP to decode; Video flowing only is a form of video information conversion process, transport process, and reduction is meant video flowing is reverted to original picture signal.
There is following defective in said method: this method has realized the process of signal decoding and conversion by software, but owing to need need change once more so that be complementary to the vision signal after decoding, the reduction with the video wall display device interfaces, and this conversion is finished by the operation display device, be closely related with equipment configuration parameter (as parameters such as display mode, resolution, pixel depths), so not only can cause whole system poor, and actual image output performance is subjected to the restriction of the hardware handles ability of video wall display device to hardware compatibility.
Summary of the invention
The object of the present invention is to provide a kind of method for displaying image of video wall, solve the hardware compatibility difference and the low problem of image delivery efficiency that need multiple conversions to cause by vision signal.
The embodiment of the invention is achieved in that a kind of method for displaying image of video wall, be applied to television wall image output system, this television wall image output system comprises video wall display device of being made up of N display and the main frame that is connected with the video wall display device by video card, and described method comprises:
The application program of described main frame is created a demonstration container 1 in internal memory, in N video playback module that includes visual submodule of this demonstration container 1 inner establishment, and should show that container 1 and video playback module centralized displaying were on one of them display;
When described main frame receives multi-path video data, for received every road video data, the video playback module of the application call correspondence of main frame is decoded to current video data and is obtained the image information of rgb format after the reduction, afterwards this image information is exported to the video playback inside modules and shows;
When the user started the adjustment of video wall layout, the application program of main frame moved to each video playback module on the corresponding target indicator.
Wherein, the image information that obtains exports the step that corresponding video playback inside modules shows to and further comprises after the described reduction of will decoding:
The application program of main frame is obtained the visual submodule handle of corresponding video playback module;
The application program of main frame is created memory bitmap object and internal memory plotting equipment at internal memory, utilize the internal memory plotting equipment that described image information is stored in the described memory bitmap object, afterwards this memory bitmap object tools is exported to the indicated screen drawing zone of visual submodule handle of the video playback module of described correspondence.
Wherein, a described N display has identical resolution, and forms laterally or extended desktop longitudinally; Described demonstration container 1 and video playback module centralized displaying are on first display of forming this extended desktop.
Wherein, the process of described video wall layout adjustment further comprises:
Full-size, actual size and the position of described demonstration container 1 are set: when described N display formed horizontal extended desktop, the width component that the full-size that shows container 1 and actual size be set be greater than or equal to individual monitor resolution the width component N doubly, its height component equals the height component of the resolution of individual monitor; When a described N display is formed longitudinally extended desktop, the width component that the full-size that shows container 1 and actual size are set equal the width component of the resolution of individual monitor, resolution that its height component is greater than or equal to individual monitor the height component N doubly; Simultaneously, the upper left corner original position coordinate that shows container 1 is set and is (0,0);
The size and the position of N video playback module of described demonstration container 1 inside are set:, the width component that its width component equals the resolution of individual monitor, the height component that its height component equals the resolution of individual monitor are set for each video playback module; The original position coordinate in its upper left corner is made as the upper left corner position coordinates in corresponding extended desktop zone, target indicator place.
Wherein, also comprise: when the video wall play command finishes, application program will show the size and the position recovering of container 1 and N video playback module.
Wherein, the interface of described display is VGA interface, HDMI interface or DVI interface.
A kind of method for displaying image of video wall, be applied to television wall image output system, this television wall image output system comprises video wall display device of being made up of N display and the main frame that is connected with the video wall display device by video card, and described method comprises step:
The application program of described main frame is created N demonstration container 2 in internal memory, and creates a video playback module that comprises visual submodule in each demonstration container 2, afterwards each is shown that container 2 exports on the corresponding display;
When described main frame receives multi-path video data, for received every road video data, the video playback module of the application call correspondence of main frame is decoded to current video data and is obtained the image information of rgb format after the reduction, afterwards this image information is exported to the video playback inside modules and shows.
Wherein, described process that each demonstration container 2 is exported on the corresponding display further comprises:
Size and the position that each shows container 2 is set: show container 2 for each when output, the width component that its width component equals the resolution of individual monitor, the height component that its height component equals the resolution of individual monitor are set, and width component, height component that the video playback module is set simultaneously are identical with demonstration container 2; Each shows that the original position coordinate in the upper left corner of container 2 is set to the upper left corner position coordinates in corresponding extended desktop zone, target indicator place.
Wherein, in the described method, when each shows that one of establishment includes the video playback module of visual submodule in the container 2, this video playback module is filled up the demonstration container 2 at its place.
The embodiment of the invention compared with prior art, beneficial effect is:
Realize that by mode the image of video wall shows among the present invention to the direct output image of visual video playback module, only need Pixel Information to each point of screen drawing equipment output image that is positioned at the video playback module on each display, do not need to visit the hardware operation method and the hardware configuration information of video wall display device, the physical configuration of tube display apparatus not just, thus compatibility and versatility strengthened to the video wall display device; Simultaneously,, improved the efficient of software decode and demonstration, under the situation of same CPU, internal memory and video card configuration, adopted the present invention can make main frame that stronger video decode and ability to play are arranged because the coupling of interface and the transfer process of signal have been saved in the centre.
Description of drawings
Fig. 1 is the image output method flow chart of existing video wall.
Fig. 2 is the structural representation of main frame one side in the television wall image output system in the embodiment of the invention.
Fig. 3 is the method for displaying image flow chart of video wall in the embodiment of the invention one.
Fig. 4 is the method for displaying image flow chart of video wall in the embodiment of the invention three.
Embodiment
Core concept of the present invention is: main frame is in the visual video playback module demonstration of the direct use in back that video flowing is decoded and along with the Windows interface outputs in the display, need not any signal conversion processes, thereby improve the efficient that software decode and image show, and improve the compatibility of video wall application program greatly the video wall display device.
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
As shown in Figure 2, the television wall image output system that relates among the following embodiment comprises main frame and the video wall display device of being made up of N monitor, and main frame is connected by video card with the video wall display device.
All monitors have identical resolution and form laterally or extended desktop longitudinally, be connected with main frame by video card, also can be described as display, can comprise types such as CRT monitor, LCD by the image output principle, its interface can be style interfaces such as VGA, HDMI or DVI, and wherein the VGA interface is the video card interface type of present main flow.
When specific implementation, the application program of main frame (abbreviating main program later on an as) definition top demonstration container (generally being forms) is designated as demonstration container 1, creates N visual video playback module again in this shows container 1.The video playback module adopts the form of Windows COM control or ActiveX control, its main attribute comprises play content, broadcast state, video state, sound status, code stream, code check etc., its main method comprise begin to play, stop to play, grabgraf, video recording, sound, cradle head control etc. and show relevant method with playing with software decode; Conventional video playback module below can comprise a status bar, shows some useful broadcast information above, as camera, broadcast state, video state, code check, the sound of being play, and the Play Control button etc.
Its course of work is: main program detects in real time whether compressed video flowing arrives, can use the thread at main program place itself to detect, also can be to use other independent thread to detect, if use independent thread to detect video flowing, then this thread need use such as mechanism such as semaphore, message mailbox notice video playback module and go to carry out follow-up processing procedure when video flowing arrives; When detecting video flowing and arrive, the video playback module that main program calls respective channel earlier is reduced into the image of rgb format with this decoding video stream, afterwards this image information is exported to the video playback inside modules and shows.
Embodiment one.
As shown in Figure 3, the image output method of video wall specifically may further comprise the steps in the present embodiment.
301, in initial start time, main program is created a top demonstration container in internal memory, be designated as demonstration container 1, show container 1 inner N of establishment visual video playback module at this again, and should show that container 1 and N video playback module centralized displaying were on first display.
302, whether the real-time detection of main program has compressed video flowing to arrive, if detected video flowing, then carries out next step.
In this testing process, can use the thread at main program place itself to detect, also can be to use another thread to realize separately detecting, if use another thread to detect video flowing separately, then this thread need use such as mechanism such as semaphore, message mailbox notice video playback module and go to carry out follow-up processing procedure when video flowing arrives.
303, when receiving video flowing, main program calls the video playback module of respective channel, calls corresponding decoding storehouse by this video playback module according to the coded format of current video flowing, the decoding video stream reduction is obtained the image information of rgb format.
Wherein, the decoding storehouse is the set of a series of program assemblies, and wherein each program assembly is decode component, provided by the manufacturer of encoder, generally needs registration; The video code model difference of different coding device producer, have MPEG-2, MPEG-4, H.264, H.263, AVS etc., therefore main program need take out the data slot of mark coded format in the header of the video data that a frame compressed, and seek corresponding decode component in the registration table according to this coded format, carry out interface required in this assembly and method, finally obtain the image information of a frame rgb format; The video playback module increases the support to new video code model if desired, only need register new decode component on main frame and get final product.
304, the image information that obtains through the decoding reduction for each road, main program calls the broadcast display packing of corresponding video playback module, shows this image information in this video playback inside modules.
Main program can use upper layer software (applications) methods such as GDI, GDI+ and DirectDraw to finish the demonstration of image in this step; Wherein use the GDI method to show that in the video playback inside modules concrete grammar of image of a width of cloth rgb format is as follows.
Main program at first obtains the visual submodule handle of the video playback module of wanting output image; Create memory bitmap object and internal memory plotting equipment at internal memory then, and that piece image information stores that needs is shown with the internal memory plotting equipment is in this memory bitmap object, at last the memory bitmap object tools is outputed to the indicated screen drawing zone of visual submodule handle, thereby finishing image shows (in this process, the video playback module shows the visual submodule that the rgb format image relates in inside, generally be meant control in order to display image, it can be video playback module itself, also can be its certain one-level submodule or child control, be example in a kind of mode in back in the present embodiment).
305, when starting the adjustment of video wall layout, main program moves to each video playback module in the corresponding target indicator, comprises that specifically step is as follows.
A1, main program are provided with full-size, actual size, the position that shows container 1: if all displays is formed horizontal extended desktop, the width component that the full-size that shows container 1 and actual size then be set be greater than or equal to individual monitor resolution the width component N doubly, its height component equals the height component of the resolution of single monitor; If all displays is formed extended desktop longitudinally, the width component that the full-size that shows container 1 and actual size then are set equals the width component of the resolution of single monitor, its height component be greater than or equal to single monitor resolution the height component N doubly; The upper left corner original position coordinate that will show container 1 simultaneously is made as (0,0).
A2, the size and the position of N the video playback module that shows container 1 inside are set: for each video playback module, be provided with width component that its width component equals the resolution of individual monitor, its highly component equal the height component of the resolution of individual monitor; The original position coordinate in its upper left corner is made as the upper left corner position coordinates in corresponding extended desktop zone, target indicator place.These video playback modules are the submodules that show container 1, and general can being placed on them in the interface module of a periphery is so that only adjust required visual video playback module part when carrying out the interface layout adjustment.So far, promptly realized each video playback module is moved on the corresponding target indicator.
306, when withdrawing from the video wall play command, main program is the size and the position recovering of demonstration container 1 and inner video playback module, and centralized displaying is convenient to the user and is carried out other operations to first display, as bolt down procedure etc.
Embodiment two.
In the present embodiment, realize that principle and embodiment one are identical, difference only is: first output image to each video playback inside modules shows the main program initialization after among the embodiment one, the back adjusts the layout of each video playback module, and in the present embodiment the main program initialization after earlier to the layout of each video playback module adjust, back output is through the video playback inside modules demonstration to each display of image information that decoding is reduced.Repeat no more same section herein.
Embodiment three.
In the present embodiment, adopted with embodiment one and embodiment two in different layout adjustment method, what be subjected to influences, concrete implementation procedure is also slightly different, only can adopt and carry out earlier carrying out the mode that image shows after the layout adjustment, as shown in Figure 4, the specific implementation step is as follows.
401, in initial start time, main program is created a top demonstration container 1 and is shown on arbitrary display in internal memory, in order to the user interface with user interactions to be provided.
402, main program is created N demonstration container (generally using forms) in internal memory, be designated as and show container 2, and each shows that container 2 comprises an example of above-mentioned video playback module, and allow this video playback module always just in time fill up the demonstration container 2 at place, like this no matter how this demonstration container 2 moves and adjusts size, this video playback module always is positioned at the position, the upper left corner (0,0) that the place shows container 2, and just in time fills up demonstration container 2.
403, size and the position that each shows container 2 is set, to realize that each is shown that container 2 moves on the corresponding target indicator: show container 2 for each, the width component that its width component equals the resolution of individual monitor, the height component that its height component equals the resolution of individual monitor are set, and width component, height component that the video playback module is set simultaneously are identical with demonstration container 2; Each shows that the original position coordinate in the upper left corner of container 2 is set to the upper left corner position coordinates in corresponding extended desktop zone, target indicator place.
404, whether the real-time detection of main program has compressed video flowing to arrive, if detected video flowing, then carries out next step.
405, when receiving video flowing, main program calls the video playback module of respective channel, calls corresponding decoding storehouse by this video playback module according to the coded format of current video flowing, the decoding video stream reduction is obtained the image information of rgb format.
406, the image information that obtains through the decoding reduction for each road, main program calls the broadcast display packing of corresponding video playback module, shows this image information in this video playback inside modules, can be implemented in display image on the display of place.
To sum up, in the embodiment of the invention, main program is to the direct output image of visual video playback module, and do not need to visit the hardware operation method and the hardware configuration information of video wall display device, the physical configuration of tube display apparatus not just, main program only is responsible for the Pixel Information to each point of screen drawing equipment output image of video playback module, thereby has strengthened compatibility and versatility to the video wall display device; Simultaneously,, improved the efficient of software decode and demonstration, under the situation of same CPU, internal memory and video card configuration, adopted the present invention can make main frame that stronger video decode and ability to play are arranged because the coupling of interface and the transfer process of signal have been saved in the centre.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. the method for displaying image of a video wall, be applied to television wall image output system, this television wall image output system comprise the video wall display device formed by N display with by video card and the main frame that the video wall display device is connected, it is characterized in that described method comprises:
The application program of described main frame is created a demonstration container 1 in internal memory, in N video playback module that comprises visual submodule of this demonstration container 1 inner establishment, and should show that container 1 and video playback module centralized displaying were on one of them display;
When described main frame receives multi-path video data, for received every road video data, the video playback module of the application call correspondence of main frame is decoded to current video data and is obtained the image information of rgb format after the reduction, afterwards this image information is exported to the video playback inside modules and shows;
When the user started the adjustment of video wall layout, the application program of main frame moved to each video playback module on the corresponding target indicator.
2. the method for displaying image of video wall as claimed in claim 1 is characterized in that, the step that the image information that obtains after the described reduction of will decoding exports corresponding video playback inside modules demonstration to further comprises:
The application program of main frame is obtained the visual submodule handle of corresponding video playback module;
The application program of main frame is created memory bitmap object and internal memory plotting equipment at internal memory, utilize the internal memory plotting equipment that described image information is stored in the described memory bitmap object, afterwards this memory bitmap object tools is exported to the indicated screen drawing zone of visual submodule handle of the video playback module of described correspondence.
3. the method for displaying image of video wall as claimed in claim 1 is characterized in that, a described N display has identical resolution, and forms laterally or extended desktop longitudinally; Described demonstration container 1 and video playback module centralized displaying are on first display of forming this extended desktop.
4. the method for displaying image of video wall as claimed in claim 3 is characterized in that, the process of described video wall layout adjustment further comprises:
Full-size, actual size and the position of described demonstration container 1 are set: when described N display formed horizontal extended desktop, the width component that the full-size that shows container 1 and actual size be set be greater than or equal to individual monitor resolution the width component N doubly, its height component equals the height component of the resolution of individual monitor; When a described N display is formed longitudinally extended desktop, the width component that the full-size that shows container 1 and actual size are set equal the width component of the resolution of individual monitor, resolution that its height component is greater than or equal to individual monitor the height component N doubly; Simultaneously, the upper left corner original position coordinate that shows container 1 is set and is (0,0);
The size and the position of N video playback module of described demonstration container 1 inside are set:, the width component that its width component equals the resolution of individual monitor, the height component that its height component equals the resolution of individual monitor are set for each video playback module; The original position coordinate in its upper left corner is made as the upper left corner position coordinates in corresponding extended desktop zone, target indicator place.
5. the method for displaying image of video wall as claimed in claim 4 is characterized in that, this method also comprises: when the video wall play command finishes, application program will show the size and the position recovering of container 1 and N video playback module.
6. the method for displaying image of video wall as claimed in claim 1 is characterized in that, the interface of described display is VGA interface, HDMI interface or DVI interface.
7. the method for displaying image of a video wall, be applied to television wall image output system, this television wall image output system comprise the video wall display device formed by N display with by video card and the main frame that the video wall display device is connected, it is characterized in that described method comprises step:
The application program of described main frame is created N demonstration container 2 in internal memory, and shows video playback module that includes visual submodule of establishment in the container 2 at each, afterwards each is shown that container 2 exports on the corresponding display;
When described main frame receives multi-path video data, for received every road video data, the video playback module of the application call correspondence of main frame is decoded to current video data and is obtained the image information of rgb format after the reduction, afterwards this image information is exported to the video playback inside modules and shows.
8. the method for displaying image of video wall as claimed in claim 7 is characterized in that, described process that each demonstration container 2 is exported on the corresponding display further comprises:
Size and the position that each shows container 2 is set: show container 2 for each when output, the width component that its width component equals the resolution of individual monitor, the height component that its height component equals the resolution of individual monitor are set, and width component, height component that the video playback module is set simultaneously are identical with demonstration container 2; Each shows that the original position coordinate in the upper left corner of container 2 is set to the upper left corner position coordinates in corresponding extended desktop zone, target indicator place.
9. as the method for displaying image of claim 7 or 8 described video walls, it is characterized in that, in the described method, when each shows that one of establishment includes the video playback module of visual submodule in the container 2, this video playback module is filled up the demonstration container 2 at its place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010580751 CN102098544B (en) | 2010-12-09 | 2010-12-09 | Image display method of television wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010580751 CN102098544B (en) | 2010-12-09 | 2010-12-09 | Image display method of television wall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102098544A true CN102098544A (en) | 2011-06-15 |
| CN102098544B CN102098544B (en) | 2013-02-27 |
Family
ID=44131376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010580751 Active CN102098544B (en) | 2010-12-09 | 2010-12-09 | Image display method of television wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102098544B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104079991A (en) * | 2013-03-28 | 2014-10-01 | 国家电网公司 | Video playing method and device |
| CN104681050A (en) * | 2015-02-28 | 2015-06-03 | 武汉烽火众智数字技术有限责任公司 | Method and device for extracting video data from magnetic disk |
| CN105979198A (en) * | 2015-03-12 | 2016-09-28 | 韩华泰科株式会社 | Video wall security system |
| CN107948710A (en) * | 2017-12-11 | 2018-04-20 | 深圳市东微智能科技股份有限公司 | Source of media combination display methods, device, computer equipment and storage medium |
| CN108076359A (en) * | 2017-01-24 | 2018-05-25 | 北京市商汤科技开发有限公司 | Methods of exhibiting, device and the electronic equipment of business object |
| CN112637636A (en) * | 2020-12-23 | 2021-04-09 | 新华三大数据技术有限公司 | Video stream processing method and device |
| CN113316022A (en) * | 2020-02-27 | 2021-08-27 | 杭州海康威视系统技术有限公司 | Video playing method, device, equipment, system and storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06121261A (en) * | 1992-09-30 | 1994-04-28 | Fine Tex:Kk | Image multi-division, magnification, editing and reproduction processing device |
| CN1383325A (en) * | 2001-04-24 | 2002-12-04 | 明棋电通股份有限公司 | Method for constituting TV wall |
| EP1088448B1 (en) * | 1998-06-18 | 2003-01-15 | Sony Electronics Inc. | A method of and apparatus for partitioning, scaling and displaying video and/or graphics across several display devices |
| CN1909597A (en) * | 2005-08-04 | 2007-02-07 | 厦门华侨电子企业有限公司 | Construction method for television wall and television wall realized by same |
| CN101873409A (en) * | 2009-04-22 | 2010-10-27 | 联发科技（新加坡）私人有限公司 | Method and device of providing video wall function for video player and integrated circuit |
-
2010
- 2010-12-09 CN CN 201010580751 patent/CN102098544B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06121261A (en) * | 1992-09-30 | 1994-04-28 | Fine Tex:Kk | Image multi-division, magnification, editing and reproduction processing device |
| EP1088448B1 (en) * | 1998-06-18 | 2003-01-15 | Sony Electronics Inc. | A method of and apparatus for partitioning, scaling and displaying video and/or graphics across several display devices |
| CN1383325A (en) * | 2001-04-24 | 2002-12-04 | 明棋电通股份有限公司 | Method for constituting TV wall |
| CN1909597A (en) * | 2005-08-04 | 2007-02-07 | 厦门华侨电子企业有限公司 | Construction method for television wall and television wall realized by same |
| CN101873409A (en) * | 2009-04-22 | 2010-10-27 | 联发科技（新加坡）私人有限公司 | Method and device of providing video wall function for video player and integrated circuit |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104079991A (en) * | 2013-03-28 | 2014-10-01 | 国家电网公司 | Video playing method and device |
| CN104681050A (en) * | 2015-02-28 | 2015-06-03 | 武汉烽火众智数字技术有限责任公司 | Method and device for extracting video data from magnetic disk |
| CN105979198A (en) * | 2015-03-12 | 2016-09-28 | 韩华泰科株式会社 | Video wall security system |
| CN105979198B (en) * | 2015-03-12 | 2019-06-18 | 韩华泰科株式会社 | Video wall security system |
| CN108076359A (en) * | 2017-01-24 | 2018-05-25 | 北京市商汤科技开发有限公司 | Methods of exhibiting, device and the electronic equipment of business object |
| CN108076359B (en) * | 2017-01-24 | 2020-11-17 | 北京市商汤科技开发有限公司 | Business object display method and device and electronic equipment |
| CN107948710A (en) * | 2017-12-11 | 2018-04-20 | 深圳市东微智能科技股份有限公司 | Source of media combination display methods, device, computer equipment and storage medium |
| CN107948710B (en) * | 2017-12-11 | 2019-09-20 | 深圳市东微智能科技股份有限公司 | Source of media combines display methods, device, computer equipment and storage medium |
| CN113316022A (en) * | 2020-02-27 | 2021-08-27 | 杭州海康威视系统技术有限公司 | Video playing method, device, equipment, system and storage medium |
| CN112637636A (en) * | 2020-12-23 | 2021-04-09 | 新华三大数据技术有限公司 | Video stream processing method and device |
| CN112637636B (en) * | 2020-12-23 | 2022-02-22 | 新华三大数据技术有限公司 | Video stream processing method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102098544B (en) | 2013-02-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102098544B (en) | Image display method of television wall | |
| CN107018370A (en) | Display methods and its system for video wall | |
| CN103581570A (en) | Large-size screen splice system and method based on multi-media communication | |
| CN103888840B (en) | A kind of video mobile terminal Real Time Dragging and the method and device for scaling | |
| CN101184217A (en) | Wireless ultra-broadband combination type high resolution large screen display method and apparatus | |
| US8558876B2 (en) | Method and a system for generating a signal for a video display unit | |
| CN106375841A (en) | Wireless screen projection data processing method and device, video data display method and device, and electronic device | |
| CN103200396A (en) | Real-time video stream display method and system based on information display platform | |
| CN103248797A (en) | Video resolution enhancing method and module based on FPGA (field programmable gate array) | |
| CN103853518A (en) | Synchronous display system and method for multi-view pictures | |
| CN110099224B (en) | Pre-monitoring display method, device and system, computer equipment and storage medium | |
| JP2010286811A (en) | Assembling display equipment, and methdo and system for control of screen thereof | |
| CN102957875A (en) | Image processing method, device and system | |
| TWI497400B (en) | Method of auto-recognizing for cursor in monitors | |
| CN110928513A (en) | Super-resolution synthesis command application system | |
| CN103049135A (en) | Double-board splicing implementation method on basis of electronic white boards | |
| CN104156188B (en) | A kind of high frame frequency Infrared scene generation and output system and method | |
| JP4564802B2 (en) | Image overlay display system and method | |
| CN101872604A (en) | System and method for monitoring television wall | |
| CN105993176A (en) | Image processing apparatus using monitoring of video memory | |
| CN105446685B (en) | Document playback method and system | |
| CN1327397C (en) | Image overlapping display system and method | |
| CN102566878A (en) | Device and method for implementation of interaction with television and television | |
| CN209118257U (en) | A kind of distributed capture synchronous display system | |
| JP2023038156A (en) | Image processing device and display control method for use in display wall system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |