CN101442653B - Multichannel video play and large screen display method - Google Patents
Multichannel video play and large screen display method Download PDFInfo
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- CN101442653B CN101442653B CN2008102401608A CN200810240160A CN101442653B CN 101442653 B CN101442653 B CN 101442653B CN 2008102401608 A CN2008102401608 A CN 2008102401608A CN 200810240160 A CN200810240160 A CN 200810240160A CN 101442653 B CN101442653 B CN 101442653B
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Abstract
The invention discloses a multi-channel video playing and large-screen display method, which comprises the following steps: (1) starting a main control computer and a player in a computer network cluster; (2) opening multi-channel video playing software, establishing a video file which needs to be played, and selecting an operating mode by the multi-channel video playing software according to information such as configuration parameters, the attribute of the video file, and the attribute of output equipment; (3) entering a blocking mode for the multi-channel video playing software which operates on the player, synchronously playing the video file at the position specified by the main control computer until the main control computer is started to send an instruction of beginning playing, and continuously playing, and outputting images generated by the player to display equipment, and finally outputting the images to a large screen to be spliced into an intact picture; and (4) when the main control computer resends a synchronous instruction of playing, resynchronizing the playing position of the video file on the multi-channel video playing software which operates on the player until the playing of a video is finished or a user manually exits from the video playing software.
Description
Technical field
The multi-channel video that the present invention relates to a kind of virtual reality and video display entertainment field is play and large screen display method, belongs to computer network cluster video playback and large-screen splicing Display Technique field.
Background technology
Current video playback and display system can only be at computer independent operatings, development along with virtual reality and video display show business, requirement to display quality improves constantly, demand for ultrahigh resolution audio/video player system, oversize display system is more and more higher, and needs and can show at the curve screens of arbitrary shape.
Traditional video playback and display system are owing to be subjected to the restriction of display screen resolution, and the resolution of video file is generally less than the resolution of display screen.And can only be at the screen display of rectangle plane, even used after the processing of high-speed programmable hardware device or precision optical instrument, also can only project to curved surface (as cylinder, the sphere) screen display of rule, can't show at the curve screens of arbitrary shape.Adopt hardware device or optical instrument not only to increase system cost greatly, reduced display quality, and owing to be subjected to the restriction of technical method, still it is low to solve resolution, brightness is low, equipment installation, use, difficult in maintenance, drawbacks such as poor expandability can't satisfy the large-scale application demand.
Summary of the invention
The object of the present invention is to provide a kind of multi-channel video to play and large screen display method, to overcome existing hardware and problems such as optical solutions brightness is low, resolution is low, poor expandability, cost height, display quality difference.
A kind of multi-channel video of the present invention is play and large screen display method, comprises the steps:
(1) player in startup main control computer and the computer network cluster.Adopt computer to generate equipment, constitute the player in the computer network cluster as the digital picture of video; Main control computer is by the control of network equipment sending controling instructions such as hub or switch realization to the player in the computer network cluster.
(2) open the multi-channel video playout software that the player in main control computer and the computer network cluster is installed, and formulate the video file that needs broadcast.The multi-channel video playout software can be according to the suitable operational mode of Information Selection such as the attribute of configuration parameter, video file, the attribute of output equipment (as non-three-dimensional film pattern, active three-dimensional pattern, passive three-dimensional pattern etc.).
(3) the multi-channel video playout software that moves on the player enters blocking model, up to starting main control computer, sends the beginning play instruction, and the multi-channel video playout software that moves on the player is play the video file of main control computer assigned address simultaneously, and continues to play.The image that player generates outputs to display device, finally outputs to large screen display system and is spliced into a complete picture.
(4) when main control computer sends the video playback synchronic command again, the multi-channel video playout software that moves on the player is the play position of synchronization video file again, finishes or the user manually withdraws from video jukebox software up to video playback.
Wherein, described main control computer be used for controlling the player of computer network cluster broadcast, time-out, continue, stop and adjusting playing progress rate etc.
Wherein, described video file can be stored in local computer, also can be stored in other position in the network.
Wherein, the employed video file of described player can be identical, also can be image pairing video file in viewing area in the whole large-screen.
Wherein, the shape of described large-screen can be the plane, also can be the curved surface of arbitrary shape.
Wherein, the image that described player produces just is shown to large-screen after need finishing geometric correction, color correction and edge one or several processing procedure among merging, and synthesizes final complete image with image that player in other computer network cluster produces.
Wherein, described multi-channel video playout software, it is required synchronously, controlled function is fully by computer network, realizes in the mode of agreement.
Wherein, the configuration parameter of described player, multi-channel video playout software, large-screen etc. can also can be stored in the network with any form or form storage and this locality.
Multi-channel video of the present invention is play and large screen display method, its advantage and effect are: by the video file of the player synchronous playing in the computer network cluster, video file can be identical, it also can be the corresponding pairing video file of part (part of whole display frame) in the display screen, thereby solved in the hardware solution video file to the restriction of resolution, and output to a plurality of display screen unit and form a whole picture, thereby solved the restriction of display screen to resolution, combination owing to a plurality of output display units that adopt simultaneously shows, thereby has solved the influence of optical solutions to the display system overall brightness.The core technology of whole proposal adopts software to realize, does not need special hardware and optical device, therefore can reduce cost greatly.
Description of drawings
Fig. 1 is the schematic diagram of multi-channel video Play System proposed by the invention.
Fig. 2 is the schematic diagram of large screen display system proposed by the invention.
Fig. 3 is that multi-channel video proposed by the invention is play and the process chart of large screen display system.
Fig. 4 is the operational flow diagram of the multi-channel video playout software of special exploitation used in the present invention.
Concrete label is as follows among the figure:
1, main control computer 20, player 1 21, player n-1
22, player n 3, display device 4, large-screen
30, display device 1 31, display device 2 32, display device 3
33, display device n 4, large-screen
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described further.
As shown in Figure 1, the hardware device that uses in the inventive method comprises: display devices such as computer, projecting apparatus (being not limited to projecting apparatus), large-screen or stereoscopic display device.Whole system adopts computer to generate equipment as the digital picture of video, constitutes the player in the computer network cluster.Thereby in order to reduce the player in unnecessary hardware device reduction system cost, convenient debugging and the operational computations machine network cluster, the special video switching matrix of introducing.Main control computer is by the control of network equipment sending controling instructions such as hub or switch realization to the player in the computer network cluster, the image that player in the computer network cluster generates outputs to display devices such as projecting apparatus, finally outputs to large screen display system and is spliced into a complete picture.Support three-dimensional video-frequency to play if desired, when selecting the active three-dimensional pattern, need equipment such as three-dimensional signal reflector, active anaglyph spectacles, the three-dimensional synchronizing signal of the player output in the computer network cluster is through three-dimensional reflector, accept by the active anaglyph spectacles, control is the switch of anaglyph spectacles initiatively, realizes stereo function; When selecting passive three-dimensional pattern, need equipment such as polarized light piece, passive stereo display screen and passive anaglyph spectacles, pass through the filtration of polarized light piece in the three-dimensional video-frequency corresponding to two width of cloth images of right and left eyes, after passive stereoscopic screen reflection, select corresponding image through the polarized light piece of right and left eyes in the passive anaglyph spectacles again, realize stereo function.
The software platform that uses in the inventive method comprises: the multi-channel video playout software of the driver of operating system (Windows or (SuSE) Linux OS), network interface card and video card correspondence, special exploitation.System is current can to run on Windows, (SuSE) Linux OS (but not limiting to and these two kinds of operating systems), in order to improve the operational efficiency of system, the recent driver of network interface card and video card need be installed on the player in the computer network cluster.The multi-channel video playout software of special exploitation is installed then, is set the configuration parameter of the geometric correction of the player in the debugging computer network cluster, color correction, edge fusion etc.
In the inventive method, the method of operation of system's operation is as follows: at first start the player in main control computer and the computer network cluster, next opens the multi-channel video playout software that the player in main control computer and the computer network cluster is installed, and then formulates the video file that needs broadcast.The multi-channel video playout software of special exploitation can be according to the suitable operational mode of Information Selection such as the attribute of configuration parameter, video file, the attribute of output equipment (as non-three-dimensional film pattern, active three-dimensional pattern, passive three-dimensional pattern etc.).The multi-channel video playout software of the special exploitation that moves on the player in the computer network cluster enters blocking model afterwards, up to starting main control computer, send the beginning play instruction, the multi-channel video playout software of the special exploitation that moves on the player in the computer network cluster is play the video file of main control computer assigned address simultaneously, and continues to play.When main control computer sent the video playback synchronic command again, the multi-channel video playout software of the special exploitation that moves on the player in the computer network cluster is the play position of synchronization video file again.Finish or the user manually withdraws from the video jukebox software of special exploitation up to video playback.
Fig. 1 is the schematic diagram of multi-channel video broadcast and large screen display system, and main control computer 1 and player 1～n are by the network interconnection among the figure, and whole player constitutes a computer network cluster.The operator controls player in the whole computer network cluster by main control computer 1, realize video broadcast, time-out, F.F., stop etc.The image that player in the computer network cluster generates can be shown to large-screen 4 by display devices such as projecting apparatus or display 3.Player in each computer network cluster only is responsible for generating a part of image corresponding in the large-screen.
Fig. 2 is the schematic diagram of multi-channel video broadcast and large screen display system, and wherein the shape of large-screen 4 can be the curved surface of plane or arbitrary shape, and the physical dimension of large-screen without limits.From figure, can see and draw, the image that player generated in each computer network cluster only is the part of large-screen general image, thereby make whole system to constitute, thereby solved when only using a display device large-screen the restriction of resolution and brightness by enough display devices.The employed video file of player in the computer network cluster can be identical, it also can be the video of counterpart in the large-screen picture, the resolution that is equivalent to the pairing video file of large-screen is the union of the employed video file resolution of the player in the computer network cluster, thereby has solved the restriction of video file to resolution.The configuration parameter of the multi-channel video playout software of the player in the computer network cluster, special exploitation, large-screen etc. can be with any form or form storage with local, also can store with network in.
Fig. 3 is the process chart of multi-channel video broadcast and large screen display system, as can be seen from Figure 2, the image of whole large-screen is to be generated by the player in each computer network cluster, in order finally to be spliced into a complete image, the image that player in each computer network cluster generates all with other adjacent computers network cluster in the image that produces of player have overlapping, in order to make the image of whole large-screen finally be fused into a seamless complete image, so the video image that the multi-channel video playout software of special exploitation is generated also needs through extra geometric correction, color correction, one or several combinations in the processing procedures such as edge fusion.The final image that generates outputs to large screen display system as the part of large screen display image.
Fig. 4 is the operational flow diagram of the multi-channel video playout software of special exploitation used in the present invention.In order to realize a series of specific function noted earlier, the multi-channel video playout software of special exploitation used in the present invention has computer network cluster multichannel playing function.When system moves, at first start the multi-channel video playout software of the special exploitation of the player installation in the computer network cluster, the video file that appointment will be play, the multi-channel video playout software of special exploitation are waited for the sign on that comes from main control computer after reading relevant configuration parameter.After receiving the beginning play instruction, the player synchronous operation in the computer network cluster, and will output to large screen display system after the video image process a series of handling processes shown in Figure 3 that produce.In whole playing process, in a single day the multi-channel video playout software of the special exploitation that moves on the player in the computer network cluster receives the control command that main control computer sends just can carry out synchronously, suspends, plays, adjust operations such as playing progress rate.And after playing the end back or receiving END instruction, withdraw from.
The present invention has realized that by software approach multi-channel video is play and demonstration, arbitrary shape, arbitrary resolution, high brightness large-screen video playback technology under the prerequisite that does not increase any special hardware equipment or optical instrument, have been solved, overcome the technical bottleneck of traditional solution, and the difficulty that greatly reduces cost and implement to safeguard.
Claims (8)
1. a multi-channel video is play and large screen display method, and it is characterized in that: this method comprises the steps:
(1) player in startup main control computer and the computer network cluster: adopt computer to generate equipment, constitute the player in the computer network cluster as the digital picture of video; Main control computer is by the control of network equipment sending controling instructions such as hub or switch realization to the player in the computer network cluster;
(2) open the multi-channel video playout software that the player in main control computer and the computer network cluster is installed, and specify the video file that needs broadcast; The multi-channel video playout software can be according to the attribute of configuration parameter, video file, the suitable operational mode of Information Selection such as attribute of output equipment;
(3) the multi-channel video playout software that moves on the player is playing video file immediately not, up to starting main control computer, main control computer sends the beginning play instruction, the multi-channel video playout software that moves on the player is play the video file of main control computer assigned address simultaneously, the image that each player generated only is the part of large-screen general image, and have overlapping with image that player in other adjacent computers network cluster produces, through geometric correction, color correction, processing procedures such as edge fusion, the final image that generates is spliced into a complete picture as the part of large screen display image thereby output to large screen display system;
(4) when main control computer sends the video playback synchronic command again, the multi-channel video playout software that moves on the player is the play position of synchronization video file again, finishes or the user manually withdraws from video jukebox software up to video playback.
2. multi-channel video according to claim 1 is play and large screen display method, it is characterized in that: described main control computer be used for controlling the player of computer network cluster broadcast, time-out, continue, stop and adjusting playing progress rate.
3. multi-channel video according to claim 1 is play and large screen display method, and it is characterized in that: described video file can be stored in local computer, also can be stored in other position in the network.
4. multi-channel video according to claim 1 is play and large screen display method, and it is characterized in that: the employed video file of described player can be identical, also can be image pairing video file in viewing area in the whole large-screen.
5. multi-channel video according to claim 1 is play and large screen display method, and it is characterized in that: the shape of described large-screen can be the plane, also can be the curved surface of arbitrary shape.
6. multi-channel video according to claim 1 is play and large screen display method, it is characterized in that: the image that described player produces just is shown to large-screen after need finishing geometric correction, color correction and edge one or several processing procedure among merging, and synthesizes final complete image with image that player in other computer network cluster produces.
7. multi-channel video according to claim 1 is play and large screen display method, it is characterized in that: described multi-channel video playout software, it is required synchronously, controlled function is fully by computer network, realizes in the mode of agreement.
8. multi-channel video according to claim 1 is play and large screen display method, it is characterized in that: the configuration parameter of described player, multi-channel video playout software, large-screen etc. can also can be stored in the network with any form or form storage and this locality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102401608A CN101442653B (en) | 2008-12-18 | 2008-12-18 | Multichannel video play and large screen display method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008102401608A CN101442653B (en) | 2008-12-18 | 2008-12-18 | Multichannel video play and large screen display method |
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| Publication Number | Publication Date |
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| CN101442653A CN101442653A (en) | 2009-05-27 |
| CN101442653B true CN101442653B (en) | 2010-12-08 |
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| CN2008102401608A Expired - Fee Related CN101442653B (en) | 2008-12-18 | 2008-12-18 | Multichannel video play and large screen display method |
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| CN107231574A (en) * | 2017-07-05 | 2017-10-03 | 北京辰安信息科技有限公司 | Video broadcasting method and video play device |
| CN108229390A (en) * | 2018-01-02 | 2018-06-29 | 济南中维世纪科技有限公司 | Rapid pedestrian detection method based on deep learning |
| CN108762706B (en) * | 2018-05-29 | 2021-07-27 | 海信视像科技股份有限公司 | Image processing method and device |
| CN108965643B (en) * | 2018-07-13 | 2021-04-27 | 西安深睐信息科技有限公司 | Method for realizing ultra-high definition display not lower than 12K by utilizing multiple 4K televisions |
| CN109714590A (en) * | 2018-12-17 | 2019-05-03 | 广东工业大学 | A kind of Circamara production and playback method based on panoramic technique |
| CN110806847A (en) * | 2019-10-30 | 2020-02-18 | 支付宝(杭州)信息技术有限公司 | Distributed multi-screen display method, device, equipment and system |
| CN113271487B (en) * | 2021-05-11 | 2023-07-07 | 深圳创维－Rgb电子有限公司 | Audio and video synchronous playing method, device, system, program product and storage medium |
| CN114501094A (en) * | 2022-02-09 | 2022-05-13 | 浙江博采传媒有限公司 | Sequence playing method and device based on virtual production and storage medium |
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