CN101951507A - Large screen IP (Internet Protocol) video stream access equipment and implementation method thereof - Google Patents
Large screen IP (Internet Protocol) video stream access equipment and implementation method thereof Download PDFInfo
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- CN101951507A CN101951507A CN 201010502694 CN201010502694A CN101951507A CN 101951507 A CN101951507 A CN 101951507A CN 201010502694 CN201010502694 CN 201010502694 CN 201010502694 A CN201010502694 A CN 201010502694A CN 101951507 A CN101951507 A CN 101951507A
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Abstract
The invention discloses large screen IP (Internet Protocol) video stream access equipment which comprises an IP video access module, an IP video acquiring and decoding module and an image splicing and displaying module, wherein the IP video access module is used for accessing video streams from various IP video sources and transmitting the video streams to the IP video acquiring and decoding module; the IP video acquiring and decoding module is used for decoding various IP video streams from the IP video access module and transmitting decoded digital signals to the image splicing and displaying module; and the image splicing and displaying module is used for carrying out image splicing on the digital signals from the IP video acquiring and decoding module and displaying spliced images on a large screen. In addition, the invention also discloses an implementation method of the equipment. The large screen system of the invention can be used for directly reading the video streams from equipment such as an IP camera, a media server, a network video cassette recorder, a network video encoder, and the like and has the advantages of simple structure, stability and reliability.
Description
Technical field
The present invention relates to a kind of large screen projection display system, relate in particular to a kind of IP video flowing access device that is used for large screen display system.In addition, the invention still further relates to the implementation method of this large-screen IP video flowing access device.
Background technology
Along with the IP camera, streaming media server shows the extensive use in field how digital video frequency flow to be inserted large screen system at large screen projection, how Internet video fast, clearly is presented to seem more and more important on the large-screen.
Two kinds of traditional IP video flowing access waies are as follows: (1) links to each other the IP camera earlier with digital to analog converter, convert digital signal to analog signal, inserts large screen system again.
(2) will throw on the large-screen with network or RGB (red green blue tricolor) mode in the video monitoring system (client computer) of consolidated network with streaming media server.
The signal of throwing on large-screen by this dual mode remains analog signal, both can't guarantee the quality of video, also can't guarantee transmission speed.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of large-screen IP video flowing access device, make large screen system from equipment such as IP camera, media server, network video machine, network video coder, directly read video flowing, system configuration is simple, and is reliable and stable.For this reason, the present invention also provides the implementation method of this large-screen IP video flowing access device.
In order to solve the problems of the technologies described above, the invention provides a kind of large-screen IP video flowing access device, comprise IP VAM Video Access Module, IP video acquisition decoder module and image tiled display module; This IP VAM Video Access Module is used to insert the video flowing from various IP video source, and this video flowing is sent to IP video acquisition decoder module; This IP video acquisition decoder module is used for the various IP video flowings from the IP VAM Video Access Module are decoded, and decoded digital signal is sent to image tiled display module; This image tiled display module is used for and will carries out the image splicing from the digital signal of IP video acquisition decoder module and be presented at large-screen.
Described IP VAM Video Access Module comprises initialization module and selects the video source channel module that this initialization module is used for initialization video source input channel quantity and video source type; This selection video source input channel module is used to judge different video source types and selection video source input channel separately.
Described video source input channel comprises camera platform and video flowing platform; Described video source type comprises IP camera, media server, network video machine and network video coder; Wherein, media server, network video machine and network video coder belong to the video source input channel of video flowing platform, and the IP camera belongs to the video source input channel of camera platform.
In addition, the present invention also provides a kind of implementation method of large-screen IP video flowing access device, comprises the steps:
(1) the IP video flowing inserts: initial hardware environment is set the back and is selected video source passage incoming video stream;
(2) the IP video flowing that inserts is decoded;
(3) decoded IP video flowing digital signal is carried out image splicing and being presented on the large-screen.
In the step (1), described initial hardware environment is set and is specially: open the video source input channel, initialization video source input channel quantity and video source type; Described selection video source input channel is specially: judge different video source types and selection video source input channel separately.
Described video source input channel comprises camera platform and video flowing platform; Described video source type comprises IP camera, media server, network video machine and network video coder; Wherein, media server, network video machine and network video coder belong to the video source input channel of video flowing platform, and the IP camera belongs to the video source input channel of camera platform.
In the step (2), the described IP video flowing that inserts is decoded is specially: adopt the hardware decoding technique to realize the straight-through demonstration of IP video flowing digital signal, finally be presented at and still be digital signal on the large-screen.
In the step (3), adopt image tiled display technology that single image is divided into a plurality of output units, output to a plurality of display terminals, be implemented in a plurality of video flowings of demonstration on the large-screen.
Beneficial effect of the present invention is:
1. network video stream directly reads: support the network digital video flowing is carried out direct hard decoder, realize the straight-through demonstration of IP video flowing digital signal, make finally be presented on the large-screen still for digital signal, compare with Traditional IP video flowing access way (signal of throwing on large-screen remains analog signal), the present invention can guarantee the quality and the transmission speed of video; And system configuration of the present invention is simple, reliable and stable;
2. cost control effectively: need not various ancillary equipment, system architecture is simple;
3. powerful extensibility: the design of modularization integrated circuit board, can insert more network video source to increase the integrated circuit board mode at any time easily;
4. only need the standard network support: only need standard TCP/IP network support, need not lengthy and tedious video trunking, the vision signal high-fidelity is lossless.
Description of drawings
Fig. 1 is the structural representation of large-screen IP video flowing access device of the present invention;
Fig. 2 is the flow chart of the inventive method.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
As shown in Figure 1, large-screen IP video flowing access device of the present invention mainly comprises IP VAM Video Access Module, IP video acquisition decoder module and image tiled display module.
This IP VAM Video Access Module is used for inserting from various IP video source () video flowing for example, IP camera, media server, network video machine and network video coder etc., and this video flowing is sent to IP video acquisition decoder module; This IP VAM Video Access Module comprises initialization module and selects the video source channel module that this initialization module is used for initialization video source input channel quantity and video source type; This selection video source input channel module is used to judge different video source types and selection video source input channel separately.This video source input channel can be divided into camera platform passage and video flowing platform passage; This video source type comprises IP camera, media server, network video machine and network video coder etc.; Wherein, media server, network video machine and network video coder belong to the video source input channel of video flowing platform, and the IP camera belongs to the video source input channel of camera platform.
This IP video acquisition decoder module is used for the various IP video flowings from the IP VAM Video Access Module are decoded, and (hardware-accelerated IP video decode technology well known in the art is adopted in decoding, to realize the straight-through demonstration of IP video flowing digital signal, promptly finally be presented on the large-screen still for digital signal), and decoded digital signal is sent to image tiled display module;
This image tiled display module is used for and will carries out the image splicing from the digital signal of IP video acquisition decoder module and be presented at large-screen.This image tiled display module adopts image tiled display technology well known in the art, be about to single image and be divided into a plurality of output units, output to a plurality of display terminals (as computer display etc., these display terminals are by necessarily regularly arranged), be implemented in and show a plurality of video flowings on the large-screen.
In addition, the invention provides the implementation method of this large-screen IP video flowing access device, it comprises the steps:
(1) the IP video flowing inserts; As shown in Figure 2, the idiographic flow of IP video flowing access is:
A. initial hardware environment is set: open the video source input channel, video source input channel quantity and video source type are carried out initialization; In the initialization procedure, the video source input channel can be set at two passages: camera platform and video flowing platform; The video source type can be set at IP camera, media server, network video machine and network video coder etc.; Wherein, media server, network video machine and network video coder are set at the video source input channel that belongs to the video flowing platform, and the IP camera belongs to the video source input channel of camera platform; The present invention adopts the design of modularization integrated circuit board, can insert more network video source easily to increase integrated circuit board (being integrated with IP video acquisition decoder module and image tiled display module on this integrated circuit board) mode at any time; Single integrated circuit board can load limited number of video source, by increasing the mode of integrated circuit board, can load more video source;
B. select the video source input channel: judge different video source types and selection video source input channel separately; For example, judge that the video source type belongs to the IP camera, should belong to camera platform passage, select camera brand (different camera brands have different coded formats or type of coding) again; And for example, judge that the video source type belongs to media server, should belong to video flowing platform passage, select the video flowing type of coding again;
(2) the IP video flowing that inserts is decoded; Hardware-accelerated IP video decode technology well known in the art is adopted in decoding, to realize the straight-through demonstration of IP video flowing digital signal, promptly finally is presented at and still is digital signal on the large-screen;
(3) decoded IP video flowing digital signal is carried out image splicing and being presented on the large-screen.
Large-screen IP video flowing access device of the present invention will be brought the large screen projection display system into based on hardware-accelerated IP video decode technology, make large screen system from equipment such as IP camera, media server, network video machine, network video coder, directly read video flowing, system configuration is simple, and is reliable and stable.Each IP video acquisition decoder module multi-path video stream of decoding simultaneously.By using a plurality of image tiled display modules, collection quantity that can extending video stream.
Claims (8)
1. a large-screen IP video flowing access device is characterized in that, comprises IP VAM Video Access Module, IP video acquisition decoder module and image tiled display module; This IP VAM Video Access Module is used to insert the video flowing from various IP video source, and this video flowing is sent to IP video acquisition decoder module; This IP video acquisition decoder module is used for the various IP video flowings from the IP VAM Video Access Module are decoded, and decoded digital signal is sent to image tiled display module; This image tiled display module is used for and will carries out the image splicing from the digital signal of IP video acquisition decoder module and be presented at large-screen.
2. large-screen IP video flowing access device as claimed in claim 1, it is characterized in that, described IP VAM Video Access Module comprises initialization module and selects the video source channel module that this initialization module is used for initialization video source input channel quantity and video source type; This selection video source input channel module is used to judge different video source types and selection video source input channel separately.
3. large-screen IP video flowing access device as claimed in claim 1 is characterized in that described video source input channel comprises camera platform and video flowing platform; Described video source type comprises IP camera, media server, network video machine and network video coder; Wherein, media server, network video machine and network video coder belong to the video source input channel of video flowing platform, and the IP camera belongs to the video source input channel of camera platform.
4. the implementation method of a large-screen IP video flowing access device is characterized in that, comprises the steps:
(1) the IP video flowing inserts: initial hardware environment is set the back and is selected video source passage incoming video stream;
(2) the IP video flowing that inserts is decoded;
(3) decoded IP video flowing digital signal is carried out image splicing and being presented on the large-screen.
5. the implementation method of large-screen IP video flowing access device as claimed in claim 4, it is characterized in that, in the step (1), described initial hardware environment is set and is specially: open the video source input channel, initialization video source input channel quantity and video source type; Described selection video source input channel is specially: judge different video source types and selection video source input channel separately.
6. the implementation method of large-screen IP video flowing access device as claimed in claim 5 is characterized in that described video source input channel comprises camera platform and video flowing platform; Described video source type comprises IP camera, media server, network video machine and network video coder; Wherein, media server, network video machine and network video coder belong to the video source input channel of video flowing platform, and the IP camera belongs to the video source input channel of camera platform.
7. the implementation method of large-screen IP video flowing access device as claimed in claim 4, it is characterized in that, in the step (2), the described IP video flowing that inserts is decoded is specially: adopt the hardware decoding technique to realize the straight-through demonstration of IP video flowing digital signal, finally be presented at and still be digital signal on the large-screen.
8. the implementation method of large-screen IP video flowing access device as claimed in claim 4, it is characterized in that, in the step (3), adopt image tiled display technology that single image is divided into a plurality of output units, output to a plurality of display terminals, be implemented in a plurality of video flowings of demonstration on the large-screen.
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| CN103955351A (en) * | 2014-05-21 | 2014-07-30 | 上海纬而视科技股份有限公司 | Realizing method of redundant fusion IP (Internet protocol) signal screen display processor |
| CN104954798A (en) * | 2015-06-24 | 2015-09-30 | 福州瑞芯微电子有限公司 | Direct displaying method and device for video decoding |
| CN105516689A (en) * | 2016-01-26 | 2016-04-20 | 深圳市维冠视界科技股份有限公司 | Method and system for distributed tiled display |
| CN108124158A (en) * | 2016-11-29 | 2018-06-05 | 北京视联动力国际信息技术有限公司 | Multimedia terminal and the data processing method of multimedia terminal |
| CN108134916A (en) * | 2016-12-01 | 2018-06-08 | 北京视联动力国际信息技术有限公司 | A kind of data processing method of 4K terminals and 4K terminals |
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| CN103955351A (en) * | 2014-05-21 | 2014-07-30 | 上海纬而视科技股份有限公司 | Realizing method of redundant fusion IP (Internet protocol) signal screen display processor |
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| CN108134916A (en) * | 2016-12-01 | 2018-06-08 | 北京视联动力国际信息技术有限公司 | A kind of data processing method of 4K terminals and 4K terminals |
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Application publication date: 20110119 |