CN105827996A - Big-screen cloud connection controller and control method thereof - Google Patents
Big-screen cloud connection controller and control method thereof Download PDFInfo
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- CN105827996A CN105827996A CN201610191807.7A CN201610191807A CN105827996A CN 105827996 A CN105827996 A CN 105827996A CN 201610191807 A CN201610191807 A CN 201610191807A CN 105827996 A CN105827996 A CN 105827996A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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Abstract
The present invention provides a big-screen cloud connection controller and a control method thereof. The big-screen cloud connection controller comprises an input unit, a processing unit and an output unit. The input unit is configured to obtain video signals and includes a video input subunit 1 and a video input subunit 2, wherein the video input subunit 1 is a DVI acquisition card is configured to collect images of a DVI interface and convert the images of the DVI interface to digital image signals, and the video input unit 2 is a stream media video decoding unit is configured to directly acquire Ethernet stream media video data and encode the images; a processing unit is configured to convert the video signals to digital video information, encode the digital video information and pack the digital video information to IP data packet for sending; and an output unit is configured to receive the IP data packet for real-time decoding and output display. The big-screen cloud connection controller and the control method thereof are able to satisfy super large-scale signal management and transmission and improve the data transmission efficiency without any system bandwidth limitation of a controller.
Description
Technical field
The present invention relates to tiled display field, be specifically related to a kind of giant-screen cloud controller and control method.
Background technology
Arrival along with the information age, Computer Multimedia Technology fast development, network technology is widely used, big to Command center, the foundation of network management center, little to temporary meeting, the carrying out of technology lecture, all catch at big picture, broken colour, high brightness, high-resolution display effect, and traditional display is difficult to meet the requirement of people's this respect.The large screen projection machine technology developed rapidly in the last few years becomes the effective way that the colored big picture of solution shows, range of application is expanded further, and market is also because of the growth day animando of demand.
nullLarge-screen splicing device is the core control portions of large screen projector，Its major function be the picture signal that complete is divided into N block after distribute to N number of video display unit (such as rear-projection unit、Liquid crystal display splicing wall)，Complete to form a jumbotron dynamic image display screen with multiple ordinary video unit，Access while can supporting various video equipment，The ultrahigh resolution display output after the output of multiple physics is combined into a resolution superposition can be realized，Screen wall is made to constitute a ultrahigh resolution、Super brightness、The logic display screen of super large display size，Complete multiple signal source at screen uplifting window、Mobile、The display function of the various modes such as scaling，The first generation、Its core technology of second filial generation controller is all centralized controller，All input/output signals are all concentrated and are linked on controller，Limited transmission distance，Remote difficult wiring，Information transmission is bandwidth limited，Signal management and the transmission of imperial scale cannot be met，Multi-display Signal share and multi-screen ganged and do not possess Internet video interface cannot be realized，Can not transmission network signal.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is to overcome centralized controller limited transmission distance of the prior art, cause remote difficult wiring, information transmission is bandwidth limited, signal management and the transmission of imperial scale cannot be met, and do not possess Internet video interface, it is impossible to the defect of transmission network signal.
In view of this, the present invention provides a kind of giant-screen cloud controller, including: input block, processing unit and output unit；Input block, for obtaining video signal, including video input subelement 1 and video input subelement 2, wherein video input subelement 1 is DVI capture card, for gathering the image of DVI interface, being converted into data image signal, video input subelement 2 is streaming media video decoding unit, for directly obtaining Ethernet streaming media video data and decoding image；Processing unit, for being converted into digital video information and digital video information encoding and is packaged into the transmission of IP packet by video signal；Output unit, is used for receiving IP packet, real-time decoding output display.
Further, described processing unit includes image coding module, for encoding and be packaged into IP packet to described digital video information.
Further, described input block is provided with the double gigabit network interface of high definition code stream and the IP video stream network interface of link information equipment.
Further, described output unit includes decoder, and described decoder is used for received signal code stream real-time decoding, it is achieved image layer folds Zoom display.
Further, described video signal includes DVI/VGA signal, composite video signal and HDMI/SDI/YC high-definition video signal.
Further, described output unit includes that system virtualization drives video card, for carrying out image integrative display with various user softwares platforms.
Further, the described built-in flash memory of cloud controller, arranging parameter can keep with solid-state.
Correspondingly, the embodiment of the present invention provides a kind of giant-screen cloud control method, including: the various video signals of input are converted into digital video signal；Described digital video information is encoded, packs and sends；Receive packet and unpack, using fault-tolerant way to verify, verify defective, applying for retransmitting；When verifying qualified, carry out image recovery for the data message after unpacking and figure layer calculates, and carry out image geometry arrangement and geometric transformation process, carry out video standard compatible processing, the image that output synchronizes afterwards.
A kind of giant-screen cloud controller of present invention offer and control method, use distributed topology, standard IP information transmission system and IP-based total system keyholed back plate platform, video signal can be converted into digital video information by its input block, the network interface with link information equipment can be connected with having Internet video interface message equipment, can access mass network information；Coding module is packaged into IP packet after described digital video information is compressed coding, and with zone bit as transmission unit, cut, be distributed to output unit, output unit carries out real-time decoding after receiving IP packet, and decoded information is carried out output display, distributed cloud controller solves centralized controller limited transmission distance, remote difficult wiring, information transmission is bandwidth limited, the signal management of imperial scale and transmission cannot be met and do not possess Internet video interface, it is impossible to the defect of transmission network signal.
Accompanying drawing explanation
In order to make present disclosure be more likely to be clearly understood, below according to the specific embodiment of the present invention and combine accompanying drawing, the present invention is further detailed explanation, wherein
Fig. 1 is the structural representation of a kind of giant-screen cloud controller that the embodiment of the present invention 1 provides；
Fig. 2 is a kind of giant-screen cloud control method flow chart that the embodiment of the present invention 2 provides.
Detailed description of the invention
Embodiment 1
The present embodiment provides a kind of giant-screen cloud controller, as it is shown in figure 1, include input block 11, processing unit 12 and output unit 13.
Wherein, input block 11 is used for obtaining video signal, including video input subelement 1 and video input subelement 2, wherein video input subelement 1 is DVI capture card, for gathering the image of DVI interface, being converted into data image signal, video input subelement 2 is streaming media video decoding unit, for directly obtaining Ethernet streaming media video data and decoding image；Processing unit 12 carries out high-quality damaging or lossless compression-encoding to described digital video information, and digital video information is packaged into the IP packet that can transmit over ethernet and is transferred to output unit 13, described output unit 13 receives IP packet real-time decoding, it is achieved complicated image layer collapses puts display effect.
Specifically, after the DVI interface image that described input block is obtained by DVI capture card, video signal is converted into digital video information by processing unit, described processing unit comprises image coding module, image coding module is utilized to encode and be packaged into IP packet to described digital video information and send, output unit is made up of the decoder of multiple separation, for receiving IP packet real-time decoding, and decoded information is carried out a point output display, realize image layer and fold Zoom display, wherein said video signal can be DVI/VGA signal, composite video signal and HDMI/SDI/YC high-definition video signal, described output unit can be to support high-resolution DVI-I adapter；Described streaming media video decoding unit is integrated with the function of decoder, directly can be decoded by streaming media video decoding unit from the stream medium data of Ethernet acquisition and upper screen shows, need not move through processing unit to carry out encoding, sending, it is not required that be decoded again with output unit, show.
The giant-screen cloud controller that the embodiment of the present invention provides, use distributed topological structure, solve the first generation, the input/output signal of second filial generation centerized fusion device is concentrated and is linked on controller, cause limited transmission distance and the problem of remote difficult wiring, and controller can be with the restriction of uncontrolled device system bandwidth, by image being cut and distributing, meet signal management and the transmission of imperial scale, also improve efficiency of transmission simultaneously.
Preferably, described input block is provided with the double gigabit network interface of high definition code stream and the IP video stream network interface of link information equipment, and described output unit includes that system virtualization drives video card, can carry out image integrative display with various user softwares platform.
nullSpecifically，Mainframe、User computer、Handheld mobile Internet network termination、IP photographic head、NVR poke equipment、The almost all of information equipment such as network management device is provided with network interface，The connection of giant-screen cloud controller and information equipment can be conveniently realized by network interface，Also cloud controller is made to have possessed mass network information access ability，The double gigabit network interface of described high definition code stream is for the access of common video signal，By double gigabit networking interface high in the clouds echo data，Achieve high in the clouds echo function，Described IP video stream network interface is for receiving the IP video flowing of automatic network，Network interface has also combined virtual desktop technology and network is given out a contract for a project and added network tiled display technology simultaneously，Mode relative to the image pick-up card of traditional controller，The giant-screen cloud controller of the double gigabit network interface of high definition code stream and IP video stream network interface that are provided with link information equipment shows powerful motility、Stability and economy，Simultaneously，Netting twine instead of VGA、DVI、And video masking line，Improve the video signal anti-Radio frequency interference ability in transmitting procedure and stability.Described input block is connected with switch by netting twine with output unit, uses star Ethernet structure, it is possible to achieve the lossless real-time Transmission of remote image of hundreds of rice to dozens of kilometres shares ability with display and two-way signaling.Video card is driven by system virtualization, data-interface can be with various user softwares platform, such as monitoring and dispatching system, SCADA system, ATS dispatching patcher, EMCS environmental control system, GPS system and generalized information system etc. carry out high-definition image and show integrated, realized dynamically by many gigabits EBI, wall shows on ultra high-definition picture, present giant-screen complete, truly show function.
The giant-screen cloud controller that the embodiment of the present invention provides also includes: built-in flash memory, every parameter that arranges can carry out solid-state holding in real time, after system power failure is restarted, system can load the configuration parameter in flash memory automatically, and safeguards system service quickly starts.
Above-mentioned giant-screen cloud controller, possesses mass network information access ability, has anti-Radio frequency interference, and the two-way signaling that can easily realize distribution shares ability, possesses powerful motility, stability and economy.
Embodiment 2
The embodiment of the present invention provides a kind of giant-screen cloud control method, as in figure 2 it is shown, include:
The various video signals of input are converted into digital video signal by step S1；
Step S2, encodes described digital video information, pack and sends；
Step S3, receives packet and unpacks, and uses fault-tolerant way to verify；
Step S4, it is judged that check results is the most qualified, if qualified, proceeds to step S5, if defective, proceeds to step S2, and application retransmits；
Step S5, carry out image recovery for the data message after unpacking and figure layer calculates, and carry out video standard compatible processing after carrying out image geometry arrangement and geometric transformation process and export, i.e. utilize digital computer or other mathematics hardware, the signal obtained from image information conversion is performed mathematical calculations, to improve the practicality of image, including image enhaucament, image restoration, the image manipulation such as picture coding and image reconstruction, shape conversion and the evolution of image to image, amplification including image, scaling and mistake are cut and the translation of image, mirror image and rotation, the output realizing image processes.
Above-mentioned giant-screen cloud control method can be with the restriction of uncontrolled device system bandwidth, signal management and the transmission of imperial scale can be met, mass network information can be accessed simultaneously, there is anti-Radio frequency interference, the two-way signaling easily realizing distribution shares ability, possesses powerful motility and stability.
Obviously, above-described embodiment is only for clearly demonstrating example, and not restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also cannot all of embodiment be given exhaustive.And the obvious change thus extended out or variation still in the protection domain of the invention among.
Claims (8)
1. a giant-screen cloud controller, it is characterised in that including: input block, processing unit and output unit；
Input block, for obtaining video signal, including the first video input subelement and the second video input subelement, wherein said first video input subelement is DVI capture card, for gathering the image of DVI interface, being converted into data image signal, the second video input subelement is streaming media video decoding unit, for directly obtaining Ethernet streaming media video data and decoding image；
Processing unit, for being converted into digital video information and digital video information encoding and is packaged into the transmission of IP packet by described video signal；
Output unit, is used for receiving IP packet, real-time decoding output display.
Giant-screen cloud controller the most according to claim 1, it is characterised in that described processing unit includes image coding module, for encoding and be packaged into IP packet to described digital video information.
Giant-screen cloud controller the most according to claim 2, it is characterised in that described input block is provided with the double gigabit network interface of high definition code stream and the IP video stream network interface of link information equipment.
Giant-screen cloud controller the most according to claim 1, it is characterised in that described output unit includes decoder, described decoder is used for received signal code stream real-time decoding, it is achieved image layer folds Zoom display.
Giant-screen cloud controller the most according to claim 4, it is characterised in that described video signal includes DVI/VGA signal, composite video signal and HDMI/SDI/YC high-definition video signal.
Giant-screen cloud controller the most according to claim 5, it is characterised in that described output unit includes that system virtualization drives video card, shows integrated for carrying out image with various user softwares platforms.
7., according to the giant-screen cloud controller described in any one of claim 1-6, it is characterised in that the described built-in flash memory of cloud controller, parameter is set for storage.
8. a giant-screen cloud control method, it is characterised in that including:
The various video signals of input are converted into digital video signal；
Described digital video information is encoded, packs and sends；
Receive packet and unpack, using fault-tolerant way to verify, verify defective, applying for retransmitting；
When verifying qualified, carry out image recovery for the data message after unpacking and figure layer calculates, and carry out image geometry arrangement and geometric transformation process, carry out video standard compatible processing afterwards and export.
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Cited By (10)
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| CN108132766A (en) * | 2017-12-12 | 2018-06-08 | 深圳市创维群欣安防科技股份有限公司 | A kind of distribution cloud system and its joining method |
| CN110198436A (en) * | 2019-06-12 | 2019-09-03 | 深圳市康普信息技术有限公司 | A kind of a kind of display equipment that high-definition signal can be directly transmitted by network IP |
| CN110740273A (en) * | 2019-10-24 | 2020-01-31 | 巨洋神州（苏州）数字技术有限公司 | large screen splicing control system |
| CN110996063A (en) * | 2019-12-16 | 2020-04-10 | 武汉武钢绿色城市技术发展有限公司 | Device and system for monitoring television wall on picture |
| CN111192199A (en) * | 2019-12-31 | 2020-05-22 | 武汉兴图新科电子股份有限公司 | Method for splicing computer desktop and camera images across Windows and Linux platforms |
| CN112272281A (en) * | 2020-10-09 | 2021-01-26 | 上海晨驭信息科技有限公司 | Regional distributed video conference system |
| CN112673632A (en) * | 2019-07-31 | 2021-04-16 | 西安诺瓦星云科技股份有限公司 | Data processing method, device and system, system controller and module controller |
| CN112863425A (en) * | 2019-11-08 | 2021-05-28 | 上海三思电子工程有限公司 | Multifunctional video splicing control device and LED display system |
| CN113556483A (en) * | 2021-07-12 | 2021-10-26 | 中星电子股份有限公司 | Monitoring screen splicing system and splicing method |
| CN113835650A (en) * | 2020-06-23 | 2021-12-24 | 明基智能科技（上海）有限公司 | Screen positioning system and screen positioning method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108132766A (en) * | 2017-12-12 | 2018-06-08 | 深圳市创维群欣安防科技股份有限公司 | A kind of distribution cloud system and its joining method |
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| CN112673632A (en) * | 2019-07-31 | 2021-04-16 | 西安诺瓦星云科技股份有限公司 | Data processing method, device and system, system controller and module controller |
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| CN110740273A (en) * | 2019-10-24 | 2020-01-31 | 巨洋神州（苏州）数字技术有限公司 | large screen splicing control system |
| CN112863425A (en) * | 2019-11-08 | 2021-05-28 | 上海三思电子工程有限公司 | Multifunctional video splicing control device and LED display system |
| CN110996063A (en) * | 2019-12-16 | 2020-04-10 | 武汉武钢绿色城市技术发展有限公司 | Device and system for monitoring television wall on picture |
| CN111192199A (en) * | 2019-12-31 | 2020-05-22 | 武汉兴图新科电子股份有限公司 | Method for splicing computer desktop and camera images across Windows and Linux platforms |
| CN113835650A (en) * | 2020-06-23 | 2021-12-24 | 明基智能科技（上海）有限公司 | Screen positioning system and screen positioning method |
| CN112272281A (en) * | 2020-10-09 | 2021-01-26 | 上海晨驭信息科技有限公司 | Regional distributed video conference system |
| CN112272281B (en) * | 2020-10-09 | 2024-05-31 | 上海晨驭信息科技有限公司 | Regional distributed video conference system |
| CN113556483A (en) * | 2021-07-12 | 2021-10-26 | 中星电子股份有限公司 | Monitoring screen splicing system and splicing method |
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