CN209731446U - A kind of sending device, reception device and the Transmission system of ultra high-definition video - Google Patents
A kind of sending device, reception device and the Transmission system of ultra high-definition video Download PDFInfo
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Abstract
The utility model discloses sending device, reception device and the Transmission systems of a kind of ultra high-definition video, wherein sending device includes for obtaining the HDMI input interface of ultra high-definition video, the compression module for being compressed to the data in ultra high-definition video, the udp protocol sending module for compressed data to be packaged as to UDP message packet, and the 10000000000th network module for sending the UDP message packet；The HDMI input interface, compression module, udp protocol sending module, the 10000000000th network module are sequentially connected, and the 10000000000th network module is used to communicate to connect with reception device.By the way that the data envelope of compression is dressed up UDP message packet, and UDP message packet is transmitted using 10,000,000,000 network modules, carries out efficient video data transmission based on 10,000,000,000 networks and udp protocol stack to realize.
Description
Technical field
The utility model relates to video transmission technologies more particularly to a kind of sending devices of ultra high-definition video, reception device
And Transmission system.
Background technique
Currently, requirement of the people to video quality is higher and higher, ultra high-definition video is also more more and more universal；But it is existing super
HD video usually requires to be transmitted by expensive HDMI cable, very unfriendly for long distance transmission.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of transmission of ultra high-definition video dresses
It sets, reception device and Transmission system, the transmission of ultra high-definition video can be carried out by 10,000,000,000 networks, or is for example common by cable
Category-5 cable, the six direct-connected transmission of class line.
The purpose of this utility model adopts the following technical scheme that realization:
A kind of sending device of ultra high-definition video, including for obtaining ultra high-definition video HDMI input interface, for pair
The compression module that data in ultra high-definition video are compressed, the UDP for compressed data to be packaged as to UDP message packet are assisted
Discuss sending module, and the 10000000000th network module for sending the UDP message packet；The HDMI input interface, compression
Module, udp protocol sending module, the 10000000000th network module are sequentially connected.
In some embodiments, the 10000000000th network module and reception device communicate to connect or with 10,000,000,000 interchangers
Communication connection.
In some embodiments, the sending device of the ultra high-definition video further includes for connecting first control device
One communication unit, first communication unit are connected to the udp protocol sending module；
The udp protocol sending module, which is also used to obtain sending side by first communication unit, controls data, and
Compressed data and sending side control data are packaged as UDP message packet.
In some embodiments, the sending device of the ultra high-definition video further includes sending side infrared receiving tube and the first mould
Number conversion module, the infrared signal that first analog-to-digital conversion module is used to receive the sending side infrared receiving tube carry out
Analog-to-digital conversion；The udp protocol sending module is also used to for all data after analog-to-digital conversion being packaged as sending side remote control UDP
Packet, and sending side remote control UDP packet is sent to the 10000000000th network module；
The sending device of the ultra high-definition video further includes the first D/A converter module and sending side infrared transmitting tube；It is described
Udp protocol sending module, which is also used to obtain the receiving side that reception device is sent by the 10000000000th network module, is remotely controlled UDP
Packet, and receiving side remote control UDP packet is unpacked；First D/A converter module is used to carry out the data that unpacking obtains
Digital-to-analogue conversion, and the sending side infrared transmitting tube is controlled according to the result of digital-to-analogue conversion and issues infrared signal.
A kind of reception device of ultra high-definition video, including the 20000000000th network module, for according to udp protocol from described the
20000000000 network modules obtain UDP message packet and from UDP message packet unpack out data to be decompressed udp protocol receiving module,
For being unziped it to the data to be decompressed, to restore the decompression module of the data in ultra high-definition video, and it is used for
Export the HDMI output interface of ultra high-definition video；20000000000th network module, udp protocol receiving module, decompression module,
HDMI output interface is sequentially connected.
In some embodiments, the 20000000000th network module and sending device communicate to connect or with 10,000,000,000 interchangers
Communication connection.
In some embodiments, the reception device of the ultra high-definition video further includes for connecting second control device
Two communication units, second communication unit are connected to the udp protocol receiving module；
The udp protocol receiving module, which is also used to obtain receiving side by second communication unit, controls data, and
Receiving side control data are packaged as receiving side UDP message packet and receiving side UDP message packet is sent to the 20000000000th net
Network module.
In some embodiments, the reception device of the ultra high-definition video further includes receiving side infrared receiving tube and the second mould
Number conversion module, the infrared signal that second analog-to-digital conversion module is used to receive the receiving side infrared receiving tube carry out
Analog-to-digital conversion；The udp protocol receiving module is also used to for all data after analog-to-digital conversion being packaged as receiving side remote control UDP
Packet, and receiving side remote control UDP packet is sent to the 20000000000th network module.
In some embodiments, the reception device of the ultra high-definition video further includes the second D/A converter module and receiving side
Infrared transmitting tube；The udp protocol receiving module is also used to obtain sending device by the 20000000000th network module and send
Sending side be remotely controlled UDP packet, and to sending side be remotely controlled UDP packet unpack；Second D/A converter module is used for solution
It wraps obtained data and carries out digital-to-analogue conversion, and is infrared according to the result of the digital-to-analogue conversion control receiving side infrared transmitting tube sending
Signal.
A kind of Transmission system of ultra high-definition video, sending device including above-mentioned ultra high-definition video and above-mentioned super
The reception device of HD video.
Compared with prior art, the beneficial effect of the utility model embodiment is: by dressing up the data envelope of compression
UDP message packet, and UDP message packet is transmitted using 10,000,000,000 network modules, it is carried out to realize based on 10,000,000,000 networks and udp protocol stack
The maximum real-time bandwidth of efficient video data transmission, transmission can achieve 8.7Gbps.
Detailed description of the invention
One or more embodiments are illustrated by the picture in corresponding attached drawing, these exemplary theorys
The bright restriction not constituted to embodiment, the element in attached drawing with same reference numbers label are expressed as similar element, remove
Non- to have special statement, composition does not limit the figure in attached drawing.
Fig. 1 is the structural schematic diagram of the sending device of the ultra high-definition video of the utility model；
Fig. 2 is the schematic diagram in sending device side infrared remote-receiver side apparatus；
Fig. 3 is the schematic diagram in reception device side infrared remote control sending device side apparatus；
Fig. 4 is the structural schematic diagram of the reception device of the ultra high-definition video of the utility model；
Fig. 5 is the structural schematic diagram of the Transmission system first embodiment of the ultra high-definition video of the utility model；
Fig. 6 is the structural schematic diagram of the Transmission system second embodiment of the ultra high-definition video of the utility model；
Fig. 7 is the structural schematic diagram of the Transmission system 3rd embodiment of the ultra high-definition video of the utility model.
In figure: 100, sending device；110, HDMI input interface；120, compression module；130, udp protocol sending module；
140, the 10000000000th network module；141, the first ethernet mac unit；142, the first physical interface transceiver；150, resolution ratio
Adjustment unit；160, the first communication unit；171, sending side infrared receiving tube；172, the first analog-to-digital conversion module；181, first
D/A converter module；182, sending side infrared transmitting tube；
200, reception device；210, the 20000000000th network module；211, the second ethernet mac unit；212, the second physics
Interface transceiver；220, udp protocol receiving module；230, decompression module；240, HDMI output interface；250, splicing list
Member；260, the second communication unit；271, receiving side infrared receiving tube；272, the second analog-to-digital conversion module；281, the second digital-to-analogue turns
Change the mold block；282, receiving side infrared transmitting tube；
10, first control device；20, second control device；30, cable；40,10,000,000,000 interchanger；50, display.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the utility model, it should be noted that
Under the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new
Embodiment.
It is as shown in Figure 1 a kind of structural schematic diagram of the sending device 100 of ultra high-definition video.
The sending device 100 of ultra high-definition video include for obtain the HDMI input interface 110 of ultra high-definition video, for pair
Compression module 120 that data in ultra high-definition video are compressed, for compressed data to be packaged as UDP message packet
Udp protocol sending module 130, and the 10000000000th network module 140 for sending UDP message packet；HDMI input interface
110, compression module 120, udp protocol sending module 130, the 10000000000th network module 140 are sequentially connected.
In some embodiments, HDMI input interface 110 is for connecting the video sources such as set-top box, host computer, DVD.Show
Example property, acquisition is ultra high-definition video, including following characteristics: resolution ratio 4K, frame per second 60FPS, coding mode 4:4:4
YUV mode or 8bit depth RGB mode, high dynamic range HDR (High Dynamic Range Imaging).
HDMI input interface 110 is after video source acquisition ultra high-definition video, and compression module 120 is by compression algorithm to super
Data in HD video are compressed.
In some possible embodiments, by DSC, (Display Stream Compression is shown compression module 120
Show stream compression) compression algorithm compresses the data in ultra high-definition video；In other feasible embodiments, compression module
120 realize zero propagation by virtually lossless compression algorithms such as VLC (Visual Lossless Compression) compression algorithms
Compression.
Illustratively, the total data bandwidth of the yuv video of 4K/60,4:4:4 of HDMI2.0 standard is 4096 × 2250 × 8
× 3 × 60=13.271Gbps, adds some auxiliary datas, and the total data bandwidth of the video reaches 18Gbps.DSC compression
Compression ratio can be 2-4 times, and the bandwidth after the total data compression of the video is 4.5Gbps -9Gbps.
Compressed data are packaged as UDP message packet by udp protocol sending module 130 later.UDP is User
The abbreviation of Datagram Protocol, Chinese name are User Datagram Protocol, are OSI (Open System
Interconnection, open system interconnection) a kind of connectionless transport layer protocol in reference model, it provides towards affairs
Simple unreliable information transmission service, IETF RFC 768 is the formal specification of UDP, (passes transport control protocol with known TCP
View) agreement is the same, top layer of the udp protocol located immediately at IP (Internet protocol) agreement.Mould is referred to according to OSI (open system interconnection)
Type, UDP and TCP belong to transport layer protocol.The main function of udp protocol is the shape that network traffic data is compressed into data packet
Formula.One typical data packet is exactly the unit of transfer of a binary data.Preceding 8 bytes of each data packet are used to wrap
Containing header information, remainder bytes are then used to comprising specifically transmitting data.
In some possible embodiments, according to efficient udp protocol stack to the ultra high-definition video data after lossless compression
Carry out processing and network transmission.
In some possible embodiments, which is realized on FPGA using hardware description language, and
By the delay that protocol stack processing can be greatly reduced using the highly-parallelization processing of 64bit bit wide in protocol stack, it is only necessary to
Udp protocol processing can be realized in us seconds grades.
In some possible embodiments, the length for the UDP message packet that compressed data are packaged is greater than 1500 bytes.
Udp protocol processing can also realize the limitation for surmounting previous 1500 byte of single frames length, support high efficiency Ethernet protocol, reach
Maximum supports huge frame (jumbo frame) agreement of 9000 byte lengths.
10000000000th network module 140 is used to that UDP message packet to be sent to the 10000000000th network module according to udp protocol
The device of 140 connections.Illustratively, the 10000000000th network module 140 is communicated to connect with reception device 200 or is exchanged with 10,000,000,000
Machine 40 communicates to connect, and UDP message packet for that will be sent to reception device 200 or 10,000,000,000 interchangers by the 10000000000th network module
40。
In some possible embodiments, the maximum transmission unit of the 10000000000th network module 140 is greater than 1500 bytes.
Maximum transmission unit (MTU, Maximum Transmission Unit) refers on a kind of a certain layer of communication protocol
The maximum data report size that face can pass through.This parameter of maximum transmission unit is usually gone here and there with communication interface, such as network interface card
Mouth etc. is related.By being set as the maximum transmission unit of the 10000000000th network module to be greater than 1500 bytes, may be implemented and huge frame
The matching of agreement；The number of data packet in network is reduced, the overhead in processing packet header is mitigated.By test, traditional thousand
In mbit ethernet, through network, and in the network using jumbo frame, this number subtracts about 81000 data packet streams per second
It is less 14000；In 10,000,000,000 networks, this comparison is stronger, and frame length is that the frame of standard 1518 per second has in the network of standard
812000, and use and only there was only 14000 on the network of huge frame technique；The frame number largely reduced will bring performance
Raising, bring significant performance to improve.Reach the actually active transmission data bandwidth of the 10000000000th network module
8.7Gbps；It, can to realize the virtually lossless compression zero propagation transmission of the 10000000000 network transmission ultra high-definition videos based on low cost
To reach the standard of industry requirement.
In some possible embodiments, as shown in Figure 1, the sending device 100 of ultra high-definition video further includes for connecting
First communication unit 160 of first control device 10.Illustratively, the first communication unit 160 includes network control interface, can be with
The first control devices 10 such as computer are connected by ICP/IP protocol；Or first communication unit 160 include USB interface or RS232
Interface can connect the first control devices such as mouse, keyboard 10.By the first control devices such as computer, mouse, keyboard 10, just
Sending side can be sent to sending device 100 by the first communication unit 160 control data, the i.e. available hair of sending device 100
Side is sent to control data.
First communication unit 160 is connected to udp protocol sending module 130.Udp protocol sending module 130 is also used to pass through
First communication unit 160 obtains sending side and controls data, and compressed data and sending side control data are packaged as UDP
Data packet.
In some possible embodiments, udp protocol sending module 160 will be controlled by compressed data and sending side
The data frame that data framing obtains is packaged as the UDP message packet that several length are greater than 1500 bytes.So as to by UDP message
Packet is sent to reception device 200 by the 10000000000th network module 140.Reception device 200 is according to the available hair of UDP message packet
It send side to control data, and data is controlled according to the sending side and execute corresponding control function, such as booting, shutdown, adjustment play
Resolution ratio, broadcast window etc..
In other feasible embodiments, it includes receiving side control that reception device 200 can also be sent to sending device 100
The receiving side UDP message packet of data processed.Therefore sending device 100 can obtain receiving side UDP from the 10000000000th network module 140
Data packet.The udp protocol sending module 130 of sending device 100 is for obtaining receiving side control after unpacking the receiving side UDP message packet
Data processed.Corresponding function, such as booting, shutdown, adjustment are executed to which sending device 100 can control data according to the receiving side
Broadcasting content etc..
In some embodiments, sending device 100 from receiving side UDP message packet unpack out receiving side control data after, can
Receiving side control data are sent to the first control dress by the first communication unit 160 for connecting first control device 10
Set 10, such as computer.
In some possible embodiments, as shown in Figure 1, sending device 100 further includes for adjusting HDMI input interface
The resolution adjustment unit 150 of ultra high-definition video resolution acquired in 110, resolution adjustment unit 150 are connected to HDMI input
Between interface 110 and compression module 120.
In some possible embodiments, the first communication unit 160 is also attached to resolution adjustment unit 150.If differentiating
Rate adjustment unit 150 obtains triggering electric signal from first control device 10 by the first communication unit 160, and adjustment HDMI input connects
The resolution ratio of ultra high-definition video acquired in mouth 110.
In some possible embodiments, the first communication unit 160 includes 100M network control interface, can pass through TCP/
IP agreement connects the first control devices 10 such as computer；Pass through the control software on computer, so that it may by the first communication unit 160 to
Resolution adjustment unit 150 sends triggering electric signal, so that resolution adjustment unit 150 adjusts HDMI input interface 110 and obtained
Ultra high-definition video resolution is taken, to carry out diminution or enhanced processing to ultra high-definition video.
In some possible embodiments, the first communication unit 160 includes toggle switch detection circuit, can be opened with dial-up
Connection connects；It can also be realized by stirring toggle switch to the transmission triggering electric signal of resolution adjustment unit 150, so that resolution ratio tune
Whole unit 150 adjusts ultra high-definition video resolution acquired in HDMI input interface 110, reduce to ultra high-definition video or
Enhanced processing.
In some possible embodiments, if resolution adjustment unit 150 is controlled by the first communication unit 160 from first
Device 10 obtains the first control parameter for corresponding to segmentation display scene, and point of ultra high-definition video is adjusted according to the first control parameter
Resolution.
In the present embodiment, segmentation display scene refers to that display 50 shows multiple ultra high-definition videos, will such as come from four
Four road ultra high-definition videos of the ultra high-definition video of a sending device be respectively displayed on the top left region of display 50, lower left region,
Right regions and lower right area.
In some possible embodiments, when the sending device 100 of ultra high-definition video is applied to segmentation display scene, if
The resolution ratio for the ultra high-definition video that each sending device 100 obtains is 4K, and what display 50 was shown is also 4K video, then operator
Input corresponds to the first control parameter of segmentation display scene, the 4K ultra high-definition video tune that will acquire according to first control parameter
Whole is the video that resolution ratio is 1080P.Final reception device 200 obtains the video that four tunnel resolution ratio are 1080P, reception device
200 Jiang Zhe, tetra- road Video Composition is the ultra high-definition video that a resolution ratio is 4K, and tetra- road video of Ru Jiang splices respectively in upper left area
Domain, lower left region, right regions and lower right area are then forwarded to display 50 and are shown, so as to show at one
Device 50 watches the ultra high-definition video from four sending devices 100 simultaneously.
Illustratively, in the case where four sending devices 100 show application scenarios to the segmentation of a reception device 200, operation
Personnel correspond to the first control parameter of segmentation display scene, resolution adjustment unit 150 by the input of first control device 10
The 4K ultra high-definition video that will acquire according to first control parameter is adjusted to the video that resolution ratio is 1080P.Final reception device
200 obtain the video that four tunnel resolution ratio are 1080P, and it is 4K's that 200 Jiang Zhe of reception device, tetra- road Video Composition, which is a resolution ratio,
Ultra high-definition video, tetra- road video of Ru Jiang splice respectively in top left region, lower left region, right regions and lower right area, then send out
It send to display 50 and is shown, so as to watch the superelevation from four sending devices 100 simultaneously in a display 50
Clear video.
In some possible embodiments, usage scenario of the sending device 100 to a reception device 200 at that time
When, operator inputs bypass control parameter to the sending device 100 by first control device 10, and source images resolution ratio passes
Defeated to be not necessarily to do diminution or enhanced processing, resolution adjustment unit 150 does not work.
In some possible embodiments, compression module 120, udp protocol sending module 130, resolution adjustment unit 150
Setting programmable gate array at the scene, i.e. on FPGA.
In the present embodiment, the ultra high-definition video data after lossless compression is handled according to efficient udp protocol stack
And network transmission.The efficient udp protocol stack is realized on FPGA using hardware description language, and by making in protocol stack
The delay of protocol stack processing can be greatly reduced with the highly-parallelization processing of 64bit bit wide, it is only necessary to which UDP can be realized in grade within us seconds
Protocol processes.
In some possible embodiments, the 10000000000th network module 140 includes the first ethernet mac unit 141, and even
It is connected to the first physical interface transceiver 142 of the first ethernet mac unit 141, i.e. the 10000th mbit ethernet PHY.Illustratively,
First ethernet mac unit 141 also can be set programmable gate array at the scene, i.e. on FPGA.
In some possible embodiments, as shown in Fig. 2, the sending device 100 of ultra high-definition video further includes that sending side is red
Outer reception pipe 171 and the first analog-to-digital conversion module 172.Wherein, the first analog-to-digital conversion module 172 is used for sending side infrared receiver
The infrared signal that pipe 171 receives carries out analog-to-digital conversion；Udp protocol sending module 130 is also used to will be all after analog-to-digital conversion
Data are packaged as sending side remote control UDP packet, and sending side remote control UDP packet is sent to the 10000000000th network module 140.
Illustratively, sending device 100 receives the infrared letter that external remote is sent by sending side infrared receiving tube 171
Number, and analog-to-digital conversion is carried out to the infrared signal that sending side infrared receiving tube 171 receives by analog-to-digital conversion module, with reality
Now infrared signal is fully sampled.Udp protocol sending module 130 is direct without demodulation and decoding by all data after analog-to-digital conversion
It is packaged as sending side remote control UDP and wraps to be sent to the 10000000000th network module 140.
Illustratively, sending side remote control UDP packet and UDP message packet are mutually indepedent.Such as the corresponding port numbers of UDP message packet
Port numbers corresponding from sending side remote control UDP packet are different；To which sending side remote control UDP packet and UDP message packet are according to corresponding end
Slogan individual transmission, so that sending side remote control UDP packet more timely can be transmitted to reception by the 10000000000th network module
Device.
Illustratively, the infrared signal that external remote is sent to the sending side infrared receiving tube 171 of sending device 100,
After being transmitted to reception device 200, reception device is by corresponding digital-to-analogue conversion and receiving side infrared transmitting tube by the infrared letter
It number restores, and the infrared signal is sent to devices such as displays, to realize in 100 side remote-receiver 200 of sending device
The devices such as the display of connection, to realize the function such as adjusting display brightness, saturation degree.
In some possible embodiments, as shown in figure 3, the sending device 100 of ultra high-definition video further includes the first digital-to-analogue
Conversion module 181 and sending side infrared transmitting tube 182.Udp protocol sending module 130 is also used to through the 10000000000th network module
140, which obtain the receiving side that reception device 200 is sent, is remotely controlled UDP packet, and unpacks to receiving side remote control UDP packet；First number
Mould conversion module 181 is used to carry out digital-to-analogue conversion to the data that unpacking obtains, and controls sending side according to the result of digital-to-analogue conversion
Infrared transmitting tube 182 issues infrared signal.
Illustratively, the infrared signal that external remote is sent to reception device 200, after being transmitted to sending device 100,
Sending device 100 is restored the infrared signal by digital-to-analogue conversion and sending side infrared transmitting tube, and to set-top box, computer master
The video sources such as machine, DVD send the infrared signal；To realize the video connected in 200 side remote controlled sending device 100 of reception device
Source, with the task such as the video for switching transmission of realization.
In some possible embodiments, the corresponding port numbers of UDP message packet port corresponding with receiving side remote control UDP packet
Number difference.
It is illustrated in figure 4 a kind of structural schematic diagram of the reception device 200 of ultra high-definition video.
The reception device 200 of ultra high-definition video include the 20000000000th network module 210, for according to udp protocol from second
10000000000 network modules 210 obtain UDP message packet and unpack out the udp protocol receiving module of data to be decompressed from UDP message packet
220, it is unziped it for treating decompression data, to restore the decompression module 230, Yi Jiyong of the data in ultra high-definition video
In the HDMI output interface 240 of output ultra high-definition video；20000000000th network module 210, udp protocol receiving module 220, decompression
Contracting module 230, HDMI output interface 240 are sequentially connected.
In the present embodiment, reception device 200 receives UDP message packet by 10,000,000,000 networks.Illustratively, the 20000000000th net
Network module 210 and sending device 100 are communicated to connect or are communicated to connect with 10,000,000,000 interchangers 40.
Udp protocol receiving module 220 is used to obtain UDP message from sending device 100 by the 20000000000th network module 210
Packet, or the UDP message packet that sending device 100 is sent is obtained from 10,000,000,000 interchangers 40.In some possible embodiments, UDP
The length of data packet is greater than 1500 bytes, and the maximum transmission unit of the 20000000000th network module 210 is greater than 1500 bytes.
After udp protocol receiving module 220 receives UDP message packet according to efficient udp protocol stack, to UDP message packet into
Row unpacks and obtains data to be decompressed.In some possible embodiments, which is retouched on FPGA using hardware
Predicate speech is realized, and protocol stack can be greatly reduced by the highly-parallelization processing in protocol stack using 64bit bit wide and handle
Delay, it is only necessary to us seconds grades can be realized udp protocol processing.
Decompression module 230 is unziped it for treating decompression data, to restore the data in ultra high-definition video.One
In a little feasible embodiments, pass through DSD (Display Stream Decompression, the compression of display stream) decompression algorithm pair
Data in ultra high-definition video unzip it；In other feasible embodiments, pass through VLD (Visual Lossless
Decompression) decompression algorithm of the virtually lossless such as decompression algorithm realizes the decompression of zero propagation.
In some possible embodiments, by decompression algorithm treat decompression data unzip it, restore excess of export
After data in HD video, HDMI output interface 240 exports ultra high-definition video, such as HDMI2.0 interface for ultra high-definition video
Display is transmitted to be shown.
In some possible embodiments, the reception device 200 of ultra high-definition video further includes for connecting the second control dress
20 the second communication unit 260 is set, the second communication unit 260 is connected to udp protocol receiving module 220.
Illustratively, the second communication unit 260 includes network control interface, USB interface or RS232 interface, be can connect
The second control devices such as computer, mouse, keyboard 20；Pass through second control device 20, so that it may obtain receiving side control data.
Udp protocol receiving module 220 is also used to obtain receiving side by the second communication unit 260 and controls data, and will
Receiving side control data are packaged as receiving side UDP message packet and receiving side UDP message packet are sent to the 20000000000th network module
210.Therefore it includes that receiving side controls number that reception device 200, which can be sent by the 20000000000th network module 210 to sending device 100,
According to receiving side UDP message packet；Therefore sending device 100 can obtain receiving side UDP message from the 10000000000th network module 140
Packet.
Receiving side control data, and root are obtained according to preset Framing Protocol after the unpacking of the sending device 100 UDP message packet
Corresponding function, such as booting, shutdown, adjustment broadcasting content are executed according to receiving side control data.
In some possible embodiments, sending device 100 has got computer etc. first by the first communication unit 160
The sending side of control device 10 controls data, and compressed video data and sending side control data are packaged into data
Frame, and reception device 200 is sent to after data frame is packaged as UDP message packet.Reception device 200 unpacks the UDP message packet
After obtain sending side control data.Reception device 200 controls data according to the sending side and executes corresponding control function, such as opens
Machine, shutdown, adjustment play resolution ratio, broadcast window etc..
In some embodiments, reception device 200 obtains sending side after solving the UDP message packet that packet transmitter 100 is sent
Data are controlled, sending side can be controlled by data by the second communication unit 260 for connecting second control device 20 and sent
To second control device 20, such as computer.
In some possible embodiments, as shown in figure 4, reception device 200 further includes for by multichannel ultra high-definition video
It is spliced into the splicing unit 250 of video data all the way, splicing unit 250 is connected to decompression module 230 and HDMI
Between output interface 240.
In some possible embodiments, as shown in figure 4, the second communication unit 260 is also attached to splicing unit
250.If splicing unit 250 obtains triggering electric signal from second control device 20 by the second communication unit 260, by multichannel
Ultra high-definition video-splicing is video data all the way.
In some possible embodiments, if splicing unit 250 is filled by the second communication unit 260 from the second control
The second control parameter that 20 acquisitions correspond to segmentation display scene is set, according to the second control parameter by multichannel ultra high-definition video-splicing
For video data all the way, to be shown in a display 50.
In some possible embodiments, when the reception device 200 of ultra high-definition video is applied to segmentation display scene, then
Operator's input corresponds to the second control parameter of segmentation display scene, and the multichannel that will acquire according to second control parameter is super
HD video is spliced into video data all the way, and it is 4K's that the Video Composition that tetra- tunnel resolution ratio of Ru Jiang is 1080P, which is a resolution ratio,
Ultra high-definition video, tetra- road video of Ru Jiang splice respectively in top left region, lower left region, right regions and lower right area, then send out
It send to display 50 and is shown, so as to watch the ultra high-definition view from four sending devices simultaneously in a display 50
Frequently.
In some possible embodiments, reception device 200 further includes for carrying out the part picture of ultra high-definition video
The dividing processing unit (not shown) of amplification, dividing processing unit be connected to decompression module 230 and HDMI output interface 240 it
Between.
In some possible embodiments, the second communication unit 260 is connected to dividing processing unit.If dividing processing unit
Triggering electric signal is obtained from second control device 20 by the second communication unit 260, the part picture of ultra high-definition video is carried out
Amplification, is shown with a display 50 in the multiple displays 50 arranged by preset rules.
Illustratively, if dividing processing unit obtains the third control parameter for corresponding to amplification display scene, according to third
Control parameter amplifies the part picture of ultra high-definition video, with one in multiple displays 50 by preset rules arrangement
A display 50 is shown.
In the present embodiment, amplification display scene refers to that multiple displays 50 are arranged by preset rules, such as four displays
50 matrix arrangement of device, each display 50 are connected to different reception devices 200；Each reception device 200 is filled from same transmission respectively
The same ultra high-definition video of 100 acquisitions is set, and is respectively amplified since the ultra high-definition Video segmentation goes out part picture, is then forwarded to
Display 50 corresponding with the reception device 200；To show that this is super by multiple displays 50 of preset rules arrangement are whole
HD video.Illustratively, four reception devices 200 are partitioned into the top left region of the ultra high-definition video, lower left region, the right side respectively
Then upper region and lower right area are respectively sent to four displays 50 of matrix arrangement.
Illustratively, the ultra high-definition video that each reception device 200 is obtained from sending device 100 is 4K video, is partitioned into
The part picture of 1080p, then the ultra high-definition video of the amplified 4K for becoming part；Four 50 matrix arrangements of display are shown as
The ultra high-definition video of 8K, such as can be used for super large screen and show, such as video wall.
In some possible embodiments, the second communication unit 260 includes 100M network control interface, can pass through TCP/
IP agreement connects the second control devices 20 such as computer；Pass through the control software on computer, so that it may by the second communication unit 260 to
Splicing unit 250 sends triggering electric signal, so that multichannel ultra high-definition video-splicing is to regard all the way by splicing unit 250
Frequency evidence.
In some possible embodiments, the second communication unit 260 includes toggle switch detection circuit, can be opened with dial-up
Connection connects；It can also be realized by stirring toggle switch to the transmission triggering electric signal of splicing unit 250, so that splicing list
Multichannel ultra high-definition video-splicing is video data all the way by member 250.
In some possible embodiments, as shown in figure 3, the reception device 200 of ultra high-definition video further includes that receiving side is red
Outer reception pipe 271 and the second analog-to-digital conversion module 272, the second analog-to-digital conversion module 272 are used for receiving side infrared receiving tube 271
The infrared signal received carries out analog-to-digital conversion.Illustratively, reception device 200 is received by receiving side infrared receiving tube 271
The infrared signal that external remote is sent, and receiving side infrared receiving tube 271 is received by the second analog-to-digital conversion module 272
The infrared signal arrived carries out analog-to-digital conversion, to realize the fully sampled of infrared signal.
Udp protocol receiving module 220 is also used to for all data after analog-to-digital conversion being packaged as receiving side remote control UDP packet,
And receiving side remote control UDP packet is sent to the 20000000000th network module 210.
Illustratively, the infrared signal that external remote is sent to the receiving side infrared receiving tube 271 of reception device 200,
After being transmitted to sending device 100, sending device 100 is restored the infrared signal by digital-to-analogue conversion and infrared transmitting tube, and
The infrared signal is sent to video sources such as set-top box, host computer, DVD；Dress is sent to realize to be remotely controlled in 200 side of reception device
The video source of 100 connections is set, with the task such as the video for switching transmission of realization.
In some possible embodiments, as shown in Fig. 2, the reception device 200 of ultra high-definition video further includes the second digital-to-analogue
Conversion module 281 and receiving side infrared transmitting tube 282；Udp protocol receiving module 220 is also used to through the 20000000000th network module
210, which obtain the sending side that sending device 100 is sent, is remotely controlled UDP packet, and unpacks to sending side remote control UDP packet；Second number
Mould conversion module 281 is used to carry out digital-to-analogue conversion to the data that unpacking obtains, and controls and receives side according to the result of digital-to-analogue conversion
Infrared transmitting tube 282 issues infrared signal.
In the present embodiment, sending side remote control UDP packet can will be sent to the of reception device 200 by sending device 100
20000000000 network modules 210.If reception device 200 gets the transmission of sending device 100 by the 20000000000th network module 210
Sending side be remotely controlled UDP packet, to sending side remote control UDP packet unpack and reception device 200 pass through digital-to-analogue conversion and reception
Side infrared transmitting tube 282 restores the infrared signal, and sends the infrared signal to devices such as displays, is sending dress to realize
The devices such as the display of 100 side remote-receivers 200 connection are set, to realize such as adjusting display brightness, saturation degree.
In some possible embodiments, udp protocol receiving module 220, decompression module 230, splicing unit 250
Setting programmable gate array at the scene, i.e. on FPGA.
In the present embodiment, according to efficient udp protocol stack to reception UDP message packet, and UDP message packet is solved
Packet.The efficient udp protocol stack realized on FPGA using hardware description language, and by using 64bit in protocol stack
The delay of protocol stack processing can be greatly reduced in wide highly-parallelization processing, it is only necessary to which udp protocol processing can be realized in us seconds grades.
In some possible embodiments, as shown in figure 4, the 20000000000th network module 210 includes the second ethernet mac list
Member 211 and the second physical interface transceiver 212 for being connected to the second ethernet mac unit 211, i.e. the 20000th mbit ethernet PHY.
Illustratively, the second ethernet mac unit 211 also can be set programmable gate array at the scene, i.e. on FPGA.
It is illustrated in figure 5 a kind of structural schematic diagram of the Transmission system of ultra high-definition video.
The Transmission system of ultra high-definition video include ultra high-definition video above-mentioned sending device 100 and superelevation above-mentioned
The reception device 200 of clear video.
In some possible embodiments, as shown in fig. 6, the Transmission system of ultra high-definition video further includes 10,000,000,000 interchangers
40, the sending device 100 of ultra high-definition video is multiple, the reception of the sending device 100 and ultra high-definition video of each ultra high-definition video
Device 200 is connected to 10,000,000,000 interchangers 40 by cable 30.
In some possible embodiments, if the resolution adjustment unit 150 in sending device 100 is used for from the first communication
Unit 160 obtains the first control parameter for corresponding to segmentation display scene, adjusts the view of ultra high-definition acquired in HDMI input interface 110
The resolution ratio of frequency.
The udp protocol receiving module 220 of reception device 200 is used to obtain the UDP message that multiple sending devices 100 are sent
Packet, decompression module 230 are unziped it for treating decompression data, to restore one-to-one with multiple sending devices 100
Multichannel ultra high-definition video.
If the splicing unit 250 of reception device 200, which is used to obtain from the second communication unit 260, corresponds to segmentation display
Multichannel ultra high-definition video-splicing is video data all the way, to be shown in a display 50 by the second control parameter of scene
Show.
In some possible embodiments, as shown in fig. 7, the Transmission system of ultra high-definition video further includes 10,000,000,000 interchangers
40, the sending device 100 of ultra high-definition video is one, and reception device 200 is multiple, the reception device 200 of each ultra high-definition video
10,000,000,000 interchangers 40 are connected to by cable 30 with the sending device 100 of ultra high-definition video.
In some possible embodiments, if reception device 200, which is used to obtain from the second communication unit 260, corresponds to amplification
The third control parameter for showing scene, amplifies the part picture of ultra high-definition video according to third control parameter, to press
A display 50 in multiple displays 50 of preset rules arrangement is shown.Illustratively, four reception devices 200 are divided
It is not partitioned into top left region, lower left region, right regions and the lower right area of the ultra high-definition video, is then respectively sent to matrix
Four displays 50 of arrangement.
In some possible embodiments, the sending device 100 of a certain ultra high-definition video is obtained from the first communication unit 160
Control parameter, such as correspond to segmentation display scene the first control parameter can via cable 30,10,000,000,000 interchangers 40 transmit
To the sending device 100 of at least another ultra high-definition video and/or the reception device 200 of ultra high-definition video；So that this is at least another
The sending device 100 of ultra high-definition video and/or the reception device 200 of ultra high-definition video execute corresponding step according to the control parameter
Suddenly.
In some possible embodiments, the control that the reception device 200 of ultra high-definition video is obtained from the second communication unit 260
Parameter processed, such as correspond to segmentation display scene the second control parameter can be transmitted to via cable 30,10,000,000,000 interchangers 40 to
The sending device 100 of a few ultra high-definition video；So that the sending device 100 of at least one ultra high-definition video is according to the control
Parameter executes corresponding step.
Illustratively, in the case where four sending devices 100 show application scenarios to the segmentation of a reception device 200, operation
By computer etc., some sending device 100 sends the first control parameter, the corresponding control of the first control parameter to personnel thereto
Information processed is transmitted to other sending devices 100 and reception device 200 by cable 30,10,000,000,000 interchangers 40；Then each to send
Device 100 is adjusted to the video that resolution ratio is 1080P according to the 4K ultra high-definition video that corresponding control information will be obtained respectively, connects
It is a resolution according to corresponding tetra- road Video Composition of control information Jiang Zhe after the decompression of receiving apparatus 200 restores this four roads video
Rate is the ultra high-definition video of 4K, and tetra- road video of Ru Jiang splices respectively in top left region, lower left region, right regions and bottom right area
Domain is then forwarded to display 50 and is shown, comes from four sending devices so as to watch simultaneously in a display 50
100 ultra high-definition video.
Illustratively, in the case where four sending devices 100 show application scenarios to the segmentation of a reception device 200, operation
Personnel send the second control parameter to reception device 200 by computer etc., and the corresponding control information of second control parameter is passed through
Cable 30,10,000,000,000 interchangers 40 are transmitted to each sending device 100；Then each sending device 100 will according to corresponding control information
The 4K ultra high-definition video respectively obtained is adjusted to the video that resolution ratio is 1080P, and the decompression of reception device 200 restores this four tunnel view
It is the ultra high-definition video that a resolution ratio is 4K, tetra- tunnel Ru Jiang view according to tetra- road Video Composition of the second control parameter Jiang Zhe after frequency
Frequency division Pin Jie not be then forwarded to display 50 and be shown in top left region, lower left region, right regions and lower right area,
So as to watch the ultra high-definition video from four sending devices 100 simultaneously in a display 50.
Sending device, reception device and the Transmission system of ultra high-definition video provided by the embodiment of the utility model, pass through by
The data envelope of compression dresses up UDP message packet, and transmits UDP message packet using 10,000,000,000 network modules, is based on 10,000,000,000 to realize
Network and udp protocol stack carry out efficient video data transmission, and the maximum real-time bandwidth of transmission can achieve 8.7Gbps.
Above embodiment is only preferred embodiments of the present invention, cannot be protected with this to limit the utility model
Range, the variation of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacement belong to
In the utility model range claimed.
Claims (10)
1. a kind of sending device of ultra high-definition video, it is characterised in that: connect including the HDMI input for obtaining ultra high-definition video
Mouth, the compression module for being compressed to the data in ultra high-definition video, for compressed data to be packaged as UDP message
The udp protocol sending module of packet, and the 10000000000th network module for sending the UDP message packet；The HDMI input
Interface, compression module, udp protocol sending module, the 10000000000th network module are sequentially connected.
2. the sending device of ultra high-definition video as described in claim 1, it is characterised in that: the 10000000000th network module with
Reception device is communicated to connect or is connect with 10,000,000,000 switch communications.
3. the sending device of ultra high-definition video as described in claim 1, it is characterised in that: further include for connecting the first control
First communication unit of device, first communication unit are connected to the udp protocol sending module；
The udp protocol sending module is also used to obtain sending side by first communication unit and controls data, and will pressure
Data and sending side control data after contracting are packaged as UDP message packet.
4. the sending device of ultra high-definition video as described in claim 1, it is characterised in that: further include sending side infrared receiving tube
With the first analog-to-digital conversion module, first analog-to-digital conversion module is used to receive the sending side infrared receiving tube infrared
Signal carries out analog-to-digital conversion；The udp protocol sending module is also used to all data after analog-to-digital conversion being packaged as sending side
It is remotely controlled UDP packet, and sending side remote control UDP packet is sent to the 10000000000th network module；
The sending device of the ultra high-definition video further includes the first D/A converter module and sending side infrared transmitting tube；The UDP
Agreement sending module, which is also used to obtain the receiving side that reception device is sent by the 10000000000th network module, is remotely controlled UDP packet,
And receiving side remote control UDP packet is unpacked；First D/A converter module is used to count the data that unpacking obtains
Mould conversion, and the sending side infrared transmitting tube is controlled according to the result of digital-to-analogue conversion and issues infrared signal.
5. a kind of reception device of ultra high-definition video, it is characterised in that: including the 20000000000th network module, for being assisted according to UDP
Discuss the udp protocol for obtaining UDP message packet from the 20000000000th network module and unpacking out data to be decompressed from UDP message packet
Receiving module, for being unziped it to the data to be decompressed, to restore the decompression module of the data in ultra high-definition video,
And the HDMI output interface for exporting ultra high-definition video；20000000000th network module, udp protocol receiving module, solution
Compression module, HDMI output interface are sequentially connected.
6. the reception device of ultra high-definition video as claimed in claim 5, it is characterised in that: the 20000000000th network module with
Sending device is communicated to connect or is connect with 10,000,000,000 switch communications.
7. the reception device of ultra high-definition video as claimed in claim 5, it is characterised in that: further include for connecting the second control
Second communication unit of device, second communication unit are connected to the udp protocol receiving module；
The udp protocol receiving module, which is also used to obtain receiving side by second communication unit, controls data, and will connect
Side control data are received to be packaged as receiving side UDP message packet and receiving side UDP message packet is sent to the 20000000000th network mould
Block.
8. the reception device of ultra high-definition video as claimed in claim 5, it is characterised in that: further include receiving side infrared receiving tube
With the second analog-to-digital conversion module, second analog-to-digital conversion module is used to receive the receiving side infrared receiving tube infrared
Signal carries out analog-to-digital conversion；The udp protocol receiving module is also used to all data after analog-to-digital conversion being packaged as receiving side
It is remotely controlled UDP packet, and receiving side remote control UDP packet is sent to the 20000000000th network module.
9. the reception device of ultra high-definition video as claimed in claim 5, it is characterised in that: further include the second D/A converter module
With receiving side infrared transmitting tube；The udp protocol receiving module is also used to obtain by the 20000000000th network module and send
The sending side that device is sent is remotely controlled UDP packet, and unpacks to sending side remote control UDP packet；Second D/A converter module
Data for obtaining to unpacking carry out digital-to-analogue conversion, and control the receiving side infrared transmitting tube according to the result of digital-to-analogue conversion
Issue infrared signal.
10. a kind of Transmission system of ultra high-definition video, it is characterised in that: including such as of any of claims 1-4 super
The sending device of HD video, and the reception device of the ultra high-definition video as described in any one of claim 5-9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920142300.1U CN209731446U (en) | 2019-01-25 | 2019-01-25 | A kind of sending device, reception device and the Transmission system of ultra high-definition video |
| US16/749,976 US11223870B2 (en) | 2019-01-25 | 2020-01-22 | Method and device of transmitting and receiving ultra high definition video |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920142300.1U CN209731446U (en) | 2019-01-25 | 2019-01-25 | A kind of sending device, reception device and the Transmission system of ultra high-definition video |
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| CN209731446U true CN209731446U (en) | 2019-12-03 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111277588A (en) * | 2020-01-19 | 2020-06-12 | 深圳市朗强科技有限公司 | Data sending and receiving method, device and system |
| CN111277591A (en) * | 2020-01-19 | 2020-06-12 | 深圳市朗强科技有限公司 | Improved data sending and receiving method, device and system |
| CN111343479A (en) * | 2020-03-04 | 2020-06-26 | 深圳市朗强科技有限公司 | Method and equipment for sending and receiving audio and video data in long-distance transmission scene |
| CN112087507A (en) * | 2020-09-02 | 2020-12-15 | 深圳市朗强科技有限公司 | Method and equipment for sending and receiving interface data |
| CN112187939A (en) * | 2020-09-30 | 2021-01-05 | 深圳市朗强科技有限公司 | Method and equipment for sending and receiving control instruction in long-distance transmission scene |
| CN112261469A (en) * | 2020-10-27 | 2021-01-22 | 深圳市朗强科技有限公司 | Method, system and equipment for sending and receiving control instruction in long-distance transmission scene |
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2019
- 2019-01-25 CN CN201920142300.1U patent/CN209731446U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111277588A (en) * | 2020-01-19 | 2020-06-12 | 深圳市朗强科技有限公司 | Data sending and receiving method, device and system |
| CN111277591A (en) * | 2020-01-19 | 2020-06-12 | 深圳市朗强科技有限公司 | Improved data sending and receiving method, device and system |
| CN111343479A (en) * | 2020-03-04 | 2020-06-26 | 深圳市朗强科技有限公司 | Method and equipment for sending and receiving audio and video data in long-distance transmission scene |
| CN112087507A (en) * | 2020-09-02 | 2020-12-15 | 深圳市朗强科技有限公司 | Method and equipment for sending and receiving interface data |
| CN112187939A (en) * | 2020-09-30 | 2021-01-05 | 深圳市朗强科技有限公司 | Method and equipment for sending and receiving control instruction in long-distance transmission scene |
| CN112261469A (en) * | 2020-10-27 | 2021-01-22 | 深圳市朗强科技有限公司 | Method, system and equipment for sending and receiving control instruction in long-distance transmission scene |
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