CN203708409U - Gigabit network video switch - Google Patents
Gigabit network video switch Download PDFInfo
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- CN203708409U CN203708409U CN201420099270.8U CN201420099270U CN203708409U CN 203708409 U CN203708409 U CN 203708409U CN 201420099270 U CN201420099270 U CN 201420099270U CN 203708409 U CN203708409 U CN 203708409U
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Abstract
The utility model provides a gigabit network video switch. The gigabit network video switch comprises an input interface, a decoder, an FPGA video processor, a radio frequency receiver card, an ARM controller, a program upgrading circuit, a video memory, a hard disk driver, a network interface and a terminal. The input interface is connected with the decoder; the decoder, the network interface, the ARM controller, the program updating circuit and the hard disk driver are connected with the FPGA video processor; the ARM controller is connected with the radio frequency receiver card, the FPGA video processor and the program updating circuit; the video memory is connected with the hard disk driver; and the network interface is connected with multiple terminals. The gigabit network video switch has the following advantages: the switch can realize real-time data transmission in large quantities, is provided with a video high-level processing function, and supports automatic product upgrading and updating under the condition that hardware is not changed, the application is wide, and the practicality is high.
Description
Technical field
The utility model belongs to field of video communication, is specifically related to a kind of gigabit networking video switch.
Background technology
Day by day perfect along with communication network technology, particularly network technology increasingly mature in recent years, the future market that is applied in of realizing end-to-end fusion voice, data, video by network shows more and more stronger competitiveness.Internet progressively from single DTN to data, the comprehensive transmission net of the multimedia messages such as voice, image develops.But the object of dedicated video develops because network technology itself is not intended to, its intrinsic architectural limitation effective transmission of a large amount of audio, video datas, it can only provide the service of " best endeavors ", but can not provide the guarantee in service quality for transmission of video.
Switch is of paramount importance trunking in network information exchange, for network exchange terminal (such as computer user's end) provides communication port, realizes the network interconnection, information sharing.But the general network switch does not have advanced video processing capacity, such as video storage, picture-in-picture, F.F. and filtering advertisements etc., cannot meet the higher level demand of user.
Multitude of video data have following weak point in the time of transmission over networks: (1) video data is not through overcompression, data volume is large, and video is in the time of online transmission, owing to being subject to the many factors such as the network bandwidth, agreement, easily there is packet loss, delay phenomenon, very unstable.(2) transmission of video is subject to the restriction of the network bandwidth and speed, can only transmit the image of little picture, low image quality, and animation effect obviously has time delay, cannot accomplish real-time monitoring.Therefore, develop the network equipment of new applicable dedicated video transmission, support that extensive, high-quality, interaction and real-time video transmission are inexorable trends.
Utility model content
The utility model provides a kind of gigabit networking video switch, process to solve existing switch the problem that is difficult to support extensive, high-quality, real-time video transmission when video, simultaneously, adopt new program upgrade circuit, in the time of new standard or protocol application, on the basis that does not change the original hardware structure of system, the upgrading of energy support program is upgraded.
In order to solve above technical problem, the technical scheme that the utility model is taked is:
A kind of gigabit networking video switch, described gigabit networking video switch comprises input interface, decoder, FPGA video processor, radio frequency receiving card, ARM controller, program upgrade circuit, video memory, hard disk drive, network interface and terminal; Described input interface connects described decoder, described decoder connects described FPGA video processor, described radio frequency receiving card connects described ARM controller, ARM controller connects described FPGA video processor and program upgrade circuit, described program upgrade circuit connects described FPGA video processor, described video memory connects described hard disk drive, described hard disk drive connects described FPGA video processor, described FPGA video processor connects described network interface, and described network interface connects multiple terminals.
Be preferably, described input interface comprises digital interface and analog interface.Digital interface can be USB interface, Ethernet interface, digital visual interface, and analog interface can be the analog video interface of NTSC, PAL or Sequential Color and Memory system formula.
Be preferably, described network interface includes gauze mouth and wireless network interface.
Be preferably, described FPGA video processor comprises video processing circuits, network controller, compression/decompression circuit, control circuit and parameter treatment circuit; Described ARM controller connects described parameter treatment circuit and program upgrade circuit; Described parameter treatment circuit is connected described control circuit with described program upgrade circuit; Described control circuit connects described video processing circuits and compression/decompression circuit; Described compression/decompression circuit connects described hard disk drive; Described decoder connects described video processing circuits; Described video processing circuits connects described network controller; Described network controller connects described network interface.
Adopt after technique scheme, gigabit networking video switch described in the utility model adopt wireless video transmission mode can be on a large scale, real-time Transmission video data, and can need to store according to user; The senior video processing functions such as newly-increased picture-in-picture, F.F., image quality clear and natural.Product, not changing under the prerequisite of hardware platform, can be upgraded, and compatible more consensus standard, has good user's experience sense, and cost performance is high.
Brief description of the drawings
Fig. 1 is the structured flowchart of gigabit networking video switch described in the utility model.
Embodiment
For making object, technical scheme and the advantage of the utility model embodiment clearer, below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described.
As shown in Figure 1, gigabit networking video switch is made up of input interface 5, decoder 6, FPGA video processor 4, radio frequency receiving card 1, ARM controller 2, program upgrade circuit 3, video memory 8, hard disk drive 7, network interface 9 and terminal 10; Described input interface 5 connects described decoder 6, described decoder 6 connects described FPGA video processor 4, described radio frequency receiving card 1 connects described ARM controller 2, described ARM controller 2 connects described FPGA video processor 4 and program upgrade circuit 3, described program upgrade circuit 3 connects described FPGA video processor 4, described video memory 8 connects described hard disk drive 7, described hard disk drive 7 connects described FPGA video processor 4, described FPGA video processor 4 connects described network interface 9, and described network interface 9 connects multiple terminals 10.
Described input interface 5 comprises digital interface and analog interface.Digital interface 51 can be USB interface, Ethernet interface, digital visual interface; Analog interface 52 can be the analog video interface of NTSC, PAL or Sequential Color and Memory system formula.Digital port is by corresponding digital decoder decodes, and analog video interface is by corresponding analog to digital converter decoding, and transmission data are to FPGA video processor 4.
Described FPGA video processor 4 comprises video processing circuits 43, network controller 44, compression/decompression circuit 45, control circuit 42 and parameter treatment circuit 41; Described ARM controller 2 connects described parameter treatment circuit 41 and program upgrade circuit 3; Described parameter treatment circuit 41 is connected described control circuit 42 with described program upgrade circuit 3; Described control circuit 42 connects described video processing circuits 43 and compression/decompression circuit 45; Described compression/decompression circuit 45 connects described hard disk drive 7; Described decoder 6 connects described video processing circuits 43; Described video processing circuits 43 connects described network controller 44; Described network controller 44 connects described network interface 9, and network interface is divided into finite element network interface and radio network interface, according to different network protocol, selects different video terminal to connect.
Input interface 5 is for receiving the vision signal of input, and vision signal is sent to decoder 6; Video input interface comprises digital interface and analog interface, and wherein, digital interface can only receiving digital video signal, and analog interface can only receive analog video signal.
Decoder 6 carries out format conversion to vision signal, generates rgb video data, and rgb video data are delivered to FPGA video processor 4.
FPGA video processor 4 completes Video processing, compression/de-compression function and program upgrade function, to network interface, sends the dynamic image distribution of handling well to terminal.
User terminal has multiple, is all equipped with remote controller, and user terminal mainly contains two aspect effects: show the vision signal that input transmits on the one hand, on the other hand according to different demands, user is by remote controller control video playback.
Radio frequency receiving card 1 receives the control information of user terminal, and identification ownership goal swap data, deliver to ARM controller 2 by the controlled in wireless order of receiving.
ARM controller is realized the mutual of user platform, decoding, hard-disc storage, the driving of video and the cooperating operation of FPGA video processor of control inputs interface.In ARM, have radio-frequency transmitter, different users configures different radio frequency codes, and the radio frequency code receiving is translated into different control commands by ARM, is sent to FPGA video processor.
Program upgrade circuit, according to the control command ROMPaq of ARM controller, is delivered to control command the control circuit execution of controlling FPGA.
Hard disk drive receives the packed data that FPGA video processor transmits, and this packed data is delivered to video memory storage, or the video data of video memory is read, and delivers to FPGA video processor and decompresses.
Parameter treatment circuit receives the control command that ARM controller transmits, and order is converted to parameter and delivers to control circuit.
Control circuit, according to different command, is realized 3 aspect input/output functions: the input video of decoder decoding is delivered to video processing circuits processing by (1), drives or distributes after network data through network controller, is transferred to terminal.(2) video data of decoder decoding is compressed by compression/decompression circuit after video processing circuits is processed, thereby save memory space, improve transmission rate, after hard disk drive drives, deliver to video memory storage.(3) read video memory resource, video memory resource, after hard disk drive drives, is delivered to compression/decompression circuit decompressing files, further after video processing circuits and network controller processing, reach user terminal.
The using method of gigabit networking video switch described in the utility model embodiment is provided below.
The utility model can be applied in the fields such as family, saloon bar, government organs, large enterprise, long-distance education and public safety, provides video to share.Gigabit networking video switch described in the utility model is connected in the Internet, input port can access the source video storaging equipments such as Set Top Box, DVD player, game machine, digital camera, hard disk, user terminal is equipped with display and dash receiver, uses a teleswitch according to user's request control video playback.
The user terminal transmission control command that uses a teleswitch, the order of radio frequency receiving card receiving terminal is also controlled this gigabit networking video switch and is carried out, the video data transmitting from input interface is presented at multiple user terminals after gigabit networking switch processes, multiple terminal pictures can be identical, also can be different, determine according to user's request.
Finally it should be noted that: above embodiment only illustrates the technical solution of the utility model, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of the each embodiment technical scheme of the utility model.
Claims (3)
1. a gigabit networking video switch, it is characterized in that, described gigabit networking video switch comprises input interface, decoder, FPGA video processor, radio frequency receiving card, ARM controller, program upgrade circuit, video memory, hard disk drive, network interface and terminal; Described input interface connects described decoder, described decoder connects described FPGA video processor, described radio frequency receiving card connects described ARM controller, described ARM controller connects described FPGA video processor and program upgrade circuit, described program upgrade circuit connects described FPGA video processor, described video memory connects described hard disk drive, described hard disk drive connects described FPGA video processor, described FPGA video processor connects described network interface, and described network interface connects multiple terminals.
2. gigabit networking video switch according to claim 1, is characterized in that, described input interface comprises digital interface and analog interface.
3. gigabit networking video switch according to claim 2, is characterized in that, described FPGA video processor comprises video processing circuits, network controller, compression/decompression circuit, control circuit and parameter treatment circuit; Described ARM controller connects described parameter treatment circuit; Described parameter treatment circuit connects described control circuit; Described program upgrade circuit connects described control circuit; Described control circuit connects described video processing circuits and compression/decompression circuit; Described compression/decompression circuit connects described hard disk drive; Described decoder connects described video processing circuits; Described video processing circuits connects described network controller; Described network controller connects described network interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420099270.8U CN203708409U (en) | 2014-03-06 | 2014-03-06 | Gigabit network video switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420099270.8U CN203708409U (en) | 2014-03-06 | 2014-03-06 | Gigabit network video switch |
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| Publication Number | Publication Date |
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| CN203708409U true CN203708409U (en) | 2014-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420099270.8U Expired - Fee Related CN203708409U (en) | 2014-03-06 | 2014-03-06 | Gigabit network video switch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114584473A (en) * | 2021-12-09 | 2022-06-03 | 华信咨询设计研究院有限公司 | Method for determining gigabit network upgrading scheme |
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2014
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114584473A (en) * | 2021-12-09 | 2022-06-03 | 华信咨询设计研究院有限公司 | Method for determining gigabit network upgrading scheme |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20150306 |
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| EXPY | Termination of patent right or utility model |