CN109729299A - A kind of sending, receiving method and device of ultra high-definition video - Google Patents
A kind of sending, receiving method and device of ultra high-definition video Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 66
- 230000005540 biological transmission Effects 0.000 claims abstract description 39
- 238000007906 compression Methods 0.000 claims abstract description 28
- 230000006835 compression Effects 0.000 claims abstract description 28
- 238000006243 chemical reaction Methods 0.000 claims description 36
- 230000006837 decompression Effects 0.000 claims description 20
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Abstract
The invention discloses the sending, receiving methods and device of a kind of ultra high-definition video, and wherein the sending method includes: to obtain ultra high-definition video；The data in the ultra high-definition video are compressed by compression algorithm；Compressed data are packaged as UDP message packet；The UDP message packet is sent to the 10000000000th network module according to udp protocol.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 present invention relates to video transmission technologies more particularly to a kind of sending, receiving methods and device of ultra high-definition video.
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.
Summary of the invention
The embodiment of the present invention provides the sending, receiving method and device of a kind of ultra high-definition video, can pass through 10,000,000,000 networks
The transmission of ultra high-definition video is carried out, or passes through for example common category-5 cable of cable, the six direct-connected transmission of class line.
First aspect of the embodiment of the present invention provides a kind of sending method of ultra high-definition video, comprising:
Obtain ultra high-definition video；
The data in the ultra high-definition video are compressed by compression algorithm；
Compressed data are packaged as UDP message packet；
The UDP message packet is sent to the 10000000000th network module according to udp protocol.
In some embodiments, the compression algorithm is DSC compression algorithm or VLC compression algorithm.
In some embodiments, the 10000000000th network module is used to the UDP message packet being sent to reception device
Or it is sent to 10,000,000,000 interchangers.
In some embodiments, described sender method further include:
It obtains sending side and controls data；
It is described that compressed data are packaged as UDP message packet, it specifically includes:
The compressed data and sending side control data are packaged into data frame according to preset protocol；
The data frame is packaged as UDP message packet.
In some embodiments, described sender method further include:
Receiving side UDP message packet is obtained from the 10000000000th network module；
Data frame is unpacked out from the receiving side UDP message packet, the data frame includes receiving side control data；
Data, which are controlled, according to the receiving side executes corresponding task.
In some embodiments, described sender method further include:
Analog-to-digital conversion is carried out to the infrared signal received；
All data after the analog-to-digital conversion are packaged as sending side remote control UDP packet；
Sending side remote control UDP packet is sent to the 10000000000th network module；
If UDP packet is remotely controlled by the receiving side that the 10000000000th network module gets reception device transmission, to described
Receiving side remote control UDP packet is unpacked；
Digital-to-analogue conversion is carried out to the data that unpacking obtains, and sending side infrared transmitting tube is controlled according to the result of digital-to-analogue conversion
Issue infrared signal.
In some embodiments, the corresponding port numbers of UDP message packet end corresponding with sending side remote control UDP packet
Slogan is different, and the corresponding port numbers of UDP message packet port numbers corresponding from receiving side remote control UDP packet are different.
Second aspect of the embodiment of the present invention provides a kind of method of reseptance of ultra high-definition video, comprising:
UDP message packet is obtained from the 20000000000th network module according to udp protocol；
Data to be decompressed are unpacked out from the UDP message packet；
The data to be decompressed are unziped it by decompression algorithm, to restore the data in ultra high-definition video.
In some embodiments, the decompression algorithm is DSC decompression algorithm or VLC decompression algorithm.
In some embodiments, the 20000000000th network module is used to obtain UDP message packet, Huo Zhecong from sending device
10000000000 interchangers obtain the UDP message packet that the sending device is sent.
In some embodiments, described to unpack out data to be decompressed from the UDP message packet, it specifically includes:
Data frame is unpacked out from the UDP message packet, the data frame includes data to be decompressed and sending side control data；
The method of reseptance further include:
According to ultra high-definition video described in sending side control data playback.
In some embodiments, the method for reseptance further include:
It obtains receiving side and controls data；
Receiving side control data are packaged into data frame according to preset protocol；
The data frame is packaged as receiving side UDP message packet；
The receiving side UDP message packet is sent to the 20000000000th network module according to udp protocol.
In some embodiments, the method for reseptance further include:
Analog-to-digital conversion is carried out to the infrared signal received；
All data after the analog-to-digital conversion are packaged as receiving side remote control UDP packet；
Receiving side remote control UDP packet is sent to the 20000000000th network module；
If UDP packet is remotely controlled by the sending side that the 20000000000th network module gets sending device transmission, to described
Sending side remote control UDP packet is unpacked；
Digital-to-analogue conversion is carried out to the data that unpacking obtains, and side infrared transmitting tube is controlled and received according to the result of digital-to-analogue conversion
Issue infrared signal.
The third aspect of the embodiment of the present invention provides a kind of sending device of ultra high-definition video, including first memory and
One processor, the first memory is for storing program instruction；If the first processor executes described program instruction, realize
The sending method of above-mentioned ultra high-definition video.
Fourth aspect of the embodiment of the present invention provides a kind of reception device of ultra high-definition video, including second memory and
Two processors, the second memory is for storing program instruction；If the second processor executes described program instruction, realize
Such as the method for reseptance of above-mentioned ultra high-definition video.
Compared with prior art, the beneficial effect of the embodiment of the present invention is: by the way that the data envelope of compression is dressed up UDP number
UDP message packet is transmitted according to packet, and using 10,000,000,000 network modules, to realize efficient based on 10,000,000,000 networks and the progress of udp protocol stack
The maximum real-time bandwidth of the video data transmission of rate, 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 flow diagram of the sending method first embodiment of ultra high-definition video of the invention；
Fig. 2 is the flow diagram of the sending method second embodiment of ultra high-definition video of the invention；
Fig. 3 is the flow diagram of the sending method 3rd embodiment of ultra high-definition video of the invention；
Fig. 4 is the flow diagram of the sending method fourth embodiment of ultra high-definition video of the invention；
Fig. 5 is the flow diagram of the 5th embodiment of sending method of ultra high-definition video of the invention；
Fig. 6 is the flow diagram of the method for reseptance first embodiment of ultra high-definition video of the invention；
Fig. 7 is the flow diagram of the method for reseptance second embodiment of ultra high-definition video of the invention；
Fig. 8 is the flow diagram of the method for reseptance 3rd embodiment of ultra high-definition video of the invention；
Fig. 9 is the flow diagram of the method for reseptance fourth embodiment of ultra high-definition video of the invention；
Figure 10 is the flow diagram of the 5th embodiment of method of reseptance of ultra high-definition video of the invention；
Figure 11 is the flow diagram of the method for reseptance sixth embodiment of ultra high-definition video of the invention；
Figure 12 is the structural schematic diagram of the sending device of ultra high-definition video of the invention；
Figure 13 is the structural schematic diagram of the reception device of ultra high-definition video of the invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
It should be noted that each feature in the embodiment of the present invention can be combined with each other, in this hair if do not conflicted
Within bright protection scope.In addition, though having carried out the division of functional module in schematic device, show in flow charts
Logical order, but in some cases, it can be with the sequence in the module division being different from schematic device or flow chart
Execute shown or described step.
Such as a kind of flow diagram for the sending method that Fig. 1 is ultra high-definition video, the sending method of ultra high-definition video includes
Following steps:
Step S110, ultra high-definition video is obtained.
In some possible embodiments, step S110 is specifically from HDMI input terminal, such as set-top box, host computer, DVD
Obtain ultra high-definition video.Illustratively, acquisition be ultra high-definition video includes following characteristics: resolution ratio 4K, frame per second are
60FPS, coding mode are the YUV mode of 4:4:4 or the RGB mode of 8bit depth, high dynamic range HDR (High
Dynamic Range Imaging)。
Step S120, the data in the ultra high-definition video are compressed by compression algorithm.
In some possible embodiments, pass through DSC (Display Stream Compression, the compression of display stream) pressure
Compression algorithm compresses the data in ultra high-definition video；In other feasible embodiments, pass through VLC (Visual
Lossless Compression) the virtually lossless compression algorithm such as compression algorithm realizes the compression of zero propagation.
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.
Step S130, compressed data are packaged as UDP message packet.
UDP is the abbreviation of User Datagram Protocol, and Chinese name is User Datagram Protocol, is OSI (Open
System Interconnection, open system interconnection) a kind of connectionless transport layer protocol in reference model, face is provided
Simple unreliable information transmission service to affairs, IETF RFC 768 is the formal specification of UDP, with known TCP (transmission
Control protocol) agreement is the same, top layer of the udp protocol located immediately at IP (Internet protocol) agreement.According to OSI (open system interconnection)
Reference model, UDP and TCP belong to transport layer protocol.The main function of udp protocol is that network traffic data is compressed into data
The form of packet.One typical data packet is exactly the unit of transfer of a binary data.Preceding 8 bytes of each data packet
For comprising 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
Agreement reaches maximum huge frame (jumbo frame) agreement for supporting 9000 byte lengths.
Step S140, the UDP message packet is sent to by the 10000000000th network module according to udp protocol.
In the present embodiment, UDP message packet is sent by 10,000,000,000 networks.Illustratively, the 10000000000th network module includes
Ten thousand Broadcoms and 10,000,000,000 network interfaces；10000000000 network interfaces are directly connected in reception device by cable or pass through the network equipment, such as Wan Zhao
Interchanger is connected to reception device.10000000000th network module be used for by the UDP message packet be sent to reception device or
Person is sent to 10,000,000,000 interchangers.
In some possible embodiments, the maximum transmission unit of the 10000000000th network module 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 Fig. 2, the sending method of ultra high-definition video is further comprising the steps of:
Step S151, it obtains sending side and controls data.
In some embodiments, sending device includes communication module, and communication module is for connecting first control device.Example
Property, communication module includes network control interface, can connect the first control devices such as computer by ICP/IP protocol；Or it is logical
Believe that module includes USB interface or RS232 interface, can connect the first control devices such as mouse, keyboard.Pass through computer, mouse, key
The first control devices such as disk, so that it may sending side be sent to sending device by communication module and control data, is i.e. sending device can be with
It obtains sending side and controls data.
In the present embodiment, compressed data are packaged as UDP message packet by step S130, specifically includes the following steps:
Step S131, the compressed data and sending side control data are packaged by number according to preset protocol
According to frame.
Illustratively, compressed data and sending side control data are packaged into according to preset Framing Protocol
The data frame of preset format.For example, the format of data frame are as follows: the head of several bytes+sending side controls data+compressed data
+ verification data.
Step S132, the data frame is packaged as UDP message packet.
In some possible embodiments, it will control what data framing obtained by compressed data and the sending side
Data frame is packaged as the UDP message packet that several length are greater than 1500 bytes.So as in step S140 by the UDP message
Packet is sent to reception device by the 10000000000th network module.Reception device is controlled according to the available sending side of UDP message packet
Data, and data are controlled according to the sending side and execute corresponding control function, such as booting, shutdown, adjustment play resolution ratio, broadcast
Put window etc..
In some possible embodiments, the sending method of ultra high-definition video is further comprising the steps of:
Step S156, receiving side UDP message packet is obtained from the 10000000000th network module.
In some embodiments, reception device also includes corresponding communication module, and communication module is for connecting the second control
Device.Illustratively, communication module includes USB interface or RS232 interface, can connect the second control devices such as mouse, keyboard；
Pass through second control device, so that it may which sending by the 20000000000th network module of reception device to sending device includes receiving side control
The receiving side UDP message packet of data processed；Therefore sending device can obtain receiving side UDP number from the 10000000000th network module
According to packet.
Step S157, data frame is unpacked out from the receiving side UDP message packet, the data frame includes receiving side control number
According to.
In some embodiments, reception device will acquire receiving side control data are packaged into data frame, and by institute
It states after data frame is packaged as UDP message packet and is sent to sending device.Sending device unpacks after the UDP message packet according to preset group
Frame Protocol obtains receiving side control data.
In some embodiments, sending device from the receiving side UDP message packet unpack out receiving side control data after, can
Receiving side control data are sent to first control device, such as computer by the communication module for connecting first control device
Deng.
Step S158, data are controlled according to the receiving side and executes corresponding task.
Sending device can control the corresponding function of data execution according to the receiving side, in booting, shutdown, adjustment broadcasting
Hold etc..
In some possible embodiments, as shown in figure 3, the sending method of ultra high-definition video is further comprising the steps of:
Step S161, analog-to-digital conversion is carried out to the infrared signal received.
In some embodiments, sending device receives the infrared letter that external remote is sent by sending side infrared receiving tube
Number, and analog-to-digital conversion is carried out to the infrared signal that the sending side infrared receiving tube receives by analog-to-digital conversion module, with
Realize the fully sampled of infrared signal.
Step S162, all data after the analog-to-digital conversion are packaged as sending side remote control UDP packet.
Illustratively, all data after analog-to-digital conversion are bagged directly into sending side remote control UDP without demodulation and decoding
Packet.Sending side is remotely controlled UDP packet and UDP message packet is mutually indepedent.
Step S163, sending side remote control UDP packet is sent to the 10000000000th network module.
In some possible embodiments, in the corresponding port numbers of UDP message packet described in step S140 and step S163
It is different that the sending side is remotely controlled the corresponding port numbers of UDP packet；To which sending side remote control UDP packet and UDP message packet are according to corresponding
Port numbers individual transmission, so that sending side remote control UDP packet can be more timely transmitted to by the 10000000000th network module and be connect
Receiving apparatus.
Illustratively, the infrared signal that external remote is sent to the sending side infrared receiving tube of sending device, is being transmitted
To reception device, reception device is restored the infrared signal by digital-to-analogue conversion and receiving side infrared transmitting tube, and to display
The devices such as device send the infrared signal, to realize the devices such as the display connected in sending device side remote-receiver, with
It realizes such as adjusting display brightness, saturation degree.
In other feasible embodiments, as shown in figure 4, the sending method of ultra high-definition video is further comprising the steps of:
If step S171, being remotely controlled UDP by the receiving side that the 10000000000th network module gets reception device transmission
Packet unpacks receiving side remote control UDP packet.
In the present embodiment, reception device receives the infrared letter that external remote is sent by receiving side infrared receiving tube
Number, and analog-to-digital conversion is carried out to the infrared signal that receiving side infrared receiving tube receives.Then fully sampled infrared signal is beaten
Packet is that receiving side is remotely controlled UDP packet, and receiving side remote control UDP packet is sent to the 10000000000th network module of sending device.
If sending device is remotely controlled UDP by the receiving side that the 10000000000th network module gets reception device transmission
Packet unpacks receiving side remote control UDP packet.
Step S172, digital-to-analogue conversion is carried out to the data that unpacking obtains, and sending side is controlled according to the result of digital-to-analogue conversion
Infrared transmitting tube issues infrared signal.
Illustratively, the infrared signal that external remote is sent to the receiving side infrared receiving tube of reception device, is being transmitted
To sending device, sending device is restored the infrared signal by digital-to-analogue conversion and sending side infrared transmitting tube, and to machine top
The video sources such as box, host computer, DVD send the infrared signal；It is connected with realization in reception device side remote controlled sending device
Video source, with the task such as the video for switching transmission of realization.
In some possible embodiments, in the corresponding port numbers of UDP message packet described in step S140 and step S171
It is different that the receiving side is remotely controlled the corresponding port numbers of UDP packet.
In some possible embodiments, step S120 carries out the data in the ultra high-definition video by compression algorithm
It is further comprising the steps of before compression:
If step S101, obtaining the first control parameter, the ultra high-definition video is handled according to first control parameter.
Then step S120 compresses the data in the ultra high-definition video by compression algorithm, specifically: pass through pressure
Compression algorithm compresses the data after processing in ultra high-definition video.
In some possible embodiments, step S101 includes: to be adjusted according to the skip forward/back instruction in the first control parameter
It takes certain a part of ultra high-definition video, another ultra high-definition video text is transferred according to the video switching command in the first control parameter
Part zooms in and out a ultra high-definition video according to the scaling instruction in the first control parameter.
In some possible embodiments, if as shown in figure 5, step S101 obtains the first control parameter, according to described the
The one control parameter processing ultra high-definition video, specifically includes:
If the first control parameter for corresponding to segmentation display scene step S1011, is obtained, according to first control parameter
Adjust the resolution ratio of the ultra high-definition video.
In the present embodiment, segmentation display scene refers to that display 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 sending device are respectively displayed on top left region, lower left region, the upper right of display
Region and lower right area.
In some possible embodiments, when the sending method of ultra high-definition video is applied to segmentation display scene, if step
The resolution ratio for the ultra high-definition video that rapid S110 is obtained is 4K, and what display was shown is also 4K video, then operator, which inputs, corresponds to
In the first control parameter of segmentation display scene, the 4K ultra high-definition video that will acquire according to first control parameter is adjusted to differentiate
Rate is the video of 1080P.Final reception device obtains the video that four tunnel resolution ratio are 1080P, tetra- road video of reception device Jiang Zhe
The ultra high-definition video that a resolution ratio is 4K is synthesized, tetra- road video of Ru Jiang splices respectively in top left region, lower left region, upper right
Region and lower right area are then forwarded to display and are shown, come from four so as to watch simultaneously in a display
The ultra high-definition video of sending device.
A kind of flow diagram of the method for reseptance of ultra high-definition video as shown in Figure 6, the method for reseptance packet of ultra high-definition video
Include following steps:
Step S210, UDP message packet is obtained from the 20000000000th network module according to udp protocol.
In some possible embodiments, the length of the UDP message packet is greater than 1500 bytes, and the 20000000000th net
The maximum transmission unit of network module is greater than 1500 bytes.
In the present embodiment, UDP message packet is received by 10,000,000,000 networks.Illustratively, the 20000000000th network module includes
Ten thousand Broadcoms and 10,000,000,000 network interfaces；10000000000 network interfaces are directly connected in sending device by cable or pass through the network equipment, such as Wan Zhao
Interchanger is connected to sending device.20000000000th network module is used to obtain UDP message packet from sending device, or from ten thousand
Million interchangers obtain the UDP message packet that the sending device is sent.
By being set as the maximum transmission unit of the 20000000000th network module to be greater than 1500 bytes, may be implemented to assist with huge frame
The matching of view；The number of data packet in network is reduced, the overhead in processing packet header is mitigated.
Step S220, data to be decompressed are unpacked out from the UDP message packet.
In some possible embodiments, according to efficient udp protocol stack to reception UDP message packet, and to UDP message
Packet is unpacked.In some possible embodiments, the efficient udp protocol stack is real using hardware description language on FPGA
It is existing, and the delay by the way that protocol stack processing can be greatly reduced using the highly-parallelization processing of 64bit bit wide in protocol stack, only
Need us seconds grades that udp protocol processing can be realized.
Step S230, the data to be decompressed are unziped it by decompression algorithm, to restore in ultra high-definition video
Data.
In some possible embodiments, pass through DSD (Display Stream Decompression, the compression of display stream)
Decompression algorithm unzips it the data in ultra high-definition video；In other feasible embodiments, pass through VLD
The decompression algorithm of the virtually lossless such as (Visual Lossless Decompression) decompression algorithm realizes the solution of zero propagation
Compression.
In some possible embodiments, the data to be decompressed are decompressed by decompression algorithm in step S230
Contracting, after recovering the data in ultra high-definition video, is shown ultra high-definition transmission of video to display by HDMI2.0 interface
Show.
In some possible embodiments, as shown in fig. 7, step S220 unpacks out number to be decompressed from the UDP message packet
According to specifically includes the following steps:
Step S221, data frame is unpacked out from the UDP message packet, the data frame includes data to be decompressed and sending side
Control data.
In the present embodiment, sending device is controlled by the sending side that communication module has got the first control devices such as computer
Data processed, and compressed video data and sending side control data are packaged into data frame, and beat by the data frame
It wraps to be sent to reception device after UDP message packet.Reception device obtains after unpacking the UDP message packet according to preset Framing Protocol
Data to be decompressed are used to decompress and play, and obtain sending side control data.
The method of reseptance of ultra high-definition video is further comprising the steps of:
Step S241, the ultra high-definition video according to sending side control data playback.
Reception device controls data according to the sending side and executes corresponding control function, divides as booting, shutdown, adjustment play
Resolution, broadcast window etc..
In some possible embodiments, the method for reseptance of ultra high-definition video is further comprising the steps of:
Step S246, it obtains receiving side and controls data.
In some embodiments, reception device includes corresponding communication module, and communication module is for connecting the second control dress
It sets.Illustratively, communication module includes network control interface, USB interface or RS232 interface, can connect computer, mouse, key
The second control devices such as disk；Pass through second control device, so that it may obtain receiving side control data.
Step S247, receiving side control data are packaged by data frame according to preset protocol.
Illustratively, receiving side control data are packaged into the data frame of preset format according to preset Framing Protocol.Example
Such as, the format of data frame are as follows: the head of several bytes+receiving side controls data+verification data.
Step S248, the data frame is packaged as receiving side UDP message packet.
Step S249, the receiving side UDP message packet is sent to by the 20000000000th network module according to udp protocol.
The receiving side UDP message that data are controlled including receiving side can be sent to sending device by the 20000000000th network module
Packet；Therefore sending device can obtain receiving side UDP message packet from the 10000000000th network module.
Sending device unpacks and obtains receiving side control data according to preset Framing Protocol after the UDP message packet, and according to
The receiving side controls data and executes corresponding function, such as booting, shutdown, adjustment broadcasting content.
In some embodiments, reception device obtains sending side control data after unpacking the UDP message packet, can pass through use
Sending side control data are sent to second control device, such as computer in the communication module of connection second control device.
In some possible embodiments, as shown in figure 8, the method for reseptance of ultra high-definition video further include:
Step S251, analog-to-digital conversion is carried out to the infrared signal received.
In some embodiments, reception device receives the infrared letter that external remote is sent by receiving side infrared receiving tube
Number, and analog-to-digital conversion is carried out to the infrared signal that the receiving side infrared receiving tube receives by analog-to-digital conversion module, with
Realize the fully sampled of infrared signal.
Step S252, all data after the analog-to-digital conversion are packaged as receiving side remote control UDP packet.
Illustratively, all data after analog-to-digital conversion are bagged directly into receiving side remote control UDP without demodulation and decoding
Packet.
Step S253, receiving side remote control UDP packet is sent to the 20000000000th network module.
In some possible embodiments, in the corresponding port numbers of UDP message packet described in step S210 and step S253
It is different that the receiving side is remotely controlled the corresponding port numbers of UDP.To which receiving side remote control UDP packet and UDP message packet are according to corresponding end
Slogan individual transmission, so that receiving side remote control UDP packet more timely can be transmitted to transmission by the 20000000000th network module
Device.
Illustratively, the infrared signal that external remote is sent to the receiving side infrared receiving tube of reception device, is being transmitted
To sending device, sending device is restored the infrared signal by digital-to-analogue conversion and sending side infrared transmitting tube, and to machine top
The video sources such as box, host computer, DVD send the infrared signal；It is connected with realization in reception device side remote controlled sending device
Video source, with the task such as the video for switching transmission of realization.
In some possible embodiments, as shown in figure 9, the method for reseptance of ultra high-definition video further include:
If step S261, being remotely controlled UDP by the sending side that the 20000000000th network module gets sending device transmission
Packet unpacks sending side remote control UDP packet.
In the present embodiment, sending device receives the infrared letter that external remote is sent by sending side infrared receiving tube
Number, and analog-to-digital conversion is carried out to the infrared signal that sending side infrared receiving tube receives.Then fully sampled infrared signal is beaten
Packet is that sending side is remotely controlled UDP packet, and sending side remote control UDP packet is sent to the 20000000000th network module of reception device.
If reception device is remotely controlled UDP by the sending side that the 20000000000th network module gets sending device transmission
Packet unpacks sending side remote control UDP packet.
Step S262, digital-to-analogue conversion is carried out to the data that unpacking obtains, and side is controlled and received according to the result of digital-to-analogue conversion
Infrared transmitting tube issues infrared signal.
Illustratively, the infrared signal that external remote is sent to the sending side infrared receiving tube of sending device, is being transmitted
To reception device, reception device is restored the infrared signal by digital-to-analogue conversion and receiving side infrared transmitting tube, and to display
The devices such as device send the infrared signal, to realize the devices such as the display connected in sending device side remote-receiver, with
It realizes such as adjusting display brightness, saturation degree.
In some possible embodiments, in the corresponding port numbers of UDP message packet described in step S210 and step S261
It is different that the sending side is remotely controlled the corresponding port numbers of UDP packet.
In segmentation display scene, display shows multiple ultra high-definition videos, such as will be from the superelevation of four sending devices
Four road ultra high-definition videos of clear video are respectively displayed on top left region, lower left region, right regions and the lower right area of display.
At this time as shown in Figure 10, step S210 obtains UDP message packet from the 20000000000th network module according to udp protocol specifically:
Step S211, the UDP message that multiple sending devices are sent is obtained from the 20000000000th network module according to udp protocol
Packet.
In the present embodiment, four sending devices, a reception device are connected by 10,000,000,000 interchangers.The reception device
The UDP message packet of this four sending devices transmission is obtained according to udp protocol；Then from each UDP message packet unpack out it is corresponding to
Decompress data.Step S230 unzips it the data to be decompressed by decompression algorithm, to restore in ultra high-definition video
Data, specifically:
Step S231, the data to be decompressed are unziped it by decompression algorithm, to restore and multiple hairs
Send device one-to-one multichannel ultra high-definition video.
In the present embodiment, by decompression algorithm to respectively after decompressing data and unziping it, obtaining from four
Sending device, the four road ultra high-definitions to be shown in display top left region, lower left region, right regions and lower right area regard
Frequently.
In some possible embodiments, reception device can select any road ultra high-definition video of a display.
In some possible embodiments, step S231 decompresses the data to be decompressed by decompression algorithm
Contracting, after recovery and multiple one-to-one multichannel ultra high-definition videos of sending device, further includes:
If the second control parameter for corresponding to segmentation display scene step S201, is obtained, according to second control parameter
It is video data all the way by the multichannel ultra high-definition video-splicing, to be shown in a display.
In some possible embodiments, it when the method for reseptance of ultra high-definition video is applied to segmentation display scene, then grasps
Make the second control parameter that personnel's input corresponds to segmentation display scene, the multichannel superelevation that will acquire according to second control parameter
Clear video-splicing is that video data, the Video Composition that tetra- tunnel resolution ratio of Ru Jiang is 1080P are that a resolution ratio is the super of 4K all the way
HD video, tetra- road video of Ru Jiang splice respectively in top left region, lower left region, right regions and lower right area, then send
It is shown to display, so as to watch the ultra high-definition video from four sending devices simultaneously in a display.
In some possible embodiments, as shown in figure 11, step S230 is by decompression algorithm to the number to be decompressed
According to unziping it, after restoring the data in ultra high-definition video, further includes:
If the third control parameter for corresponding to amplification display scene step S202, is obtained, according to the third control parameter
The part picture of the ultra high-definition video is amplified, with a display in multiple displays by preset rules arrangement
Device is shown.
In the present embodiment, amplification display scene refers to that multiple displays are arranged by preset rules, such as four displays
Matrix arrangement, each display are connected to different reception devices；Each reception device obtains from same sending device same super respectively
HD video, and respectively amplified since the ultra high-definition Video segmentation goes out part picture, it is then forwarded to and the reception device phase
The display answered；To show the ultra high-definition video by multiple monitor overalls of preset rules arrangement.Illustratively, four
Reception device is partitioned into top left region, lower left region, right regions and the lower right area of the ultra high-definition video respectively, then distinguishes
It is sent to four displays of matrix arrangement.
Illustratively, the ultra high-definition video that each reception device is obtained from sending device is 4K video, is partitioned into the portion of 1080p
Divide picture, then the ultra high-definition video of the amplified 4K for becoming part；Four display matrix arrangements are shown as the ultra high-definition of 8K
Video, such as can be used for super large screen and show, such as video wall.
The present invention can be used in numerous general or special purpose computing system environments or configuration.Such as: personal computer, service
Device computer, handheld device or portable device, laptop device, multicomputer system, microprocessor-based system, machine top
Box, programmable consumer-elcetronics devices, network PC, minicomputer, mainframe computer, including any of the above system or equipment
Distributed computing environment etc..
The sending device of ultra high-definition video as shown in figure 12, including first memory 210 and first processor 220, the
One memory 210 is for storing program instruction；If first processor 220 executes the program instruction, above-mentioned ultra high-definition video is realized
Sending method.
The reception device of ultra high-definition video as shown in fig. 13 that, including second memory 310 and second processor 320, the
Two memories 310 are for storing program instruction；If second processor 320 executes the program instruction, above-mentioned ultra high-definition video is realized
Method of reseptance.
In the sending device of ultra high-definition video in the present embodiment, the reception device and previous embodiment of ultra high-definition video
Method be based on the same inventive concept under two aspect, method implementation process is described in detail in front, institute
The structure and implementation process of the electronic equipment in this implementation can be well understood according to foregoing description with those skilled in the art, be
Specification it is succinct, details are not described herein again.
Sending, receiving method, the device of ultra high-definition video provided in an embodiment of the present invention, pass through the data envelope that will be compressed
UDP message packet is dressed up, and transmits UDP message packet using 10,000,000,000 network modules, is based on 10,000,000,000 networks and udp protocol stack to realize
Efficient video data transmission is carried out, the maximum real-time bandwidth of transmission can achieve 8.7Gbps.
The above embodiment is only the preferred embodiment of the present invention, and the scope of protection of the present invention is not limited thereto,
The variation and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed range.
Claims (15)
1. a kind of sending method of ultra high-definition video characterized by comprising
Obtain ultra high-definition video；
The data in the ultra high-definition video are compressed by compression algorithm；
Compressed data are packaged as UDP message packet；
The UDP message packet is sent to the 10000000000th network module according to udp protocol.
2. sending method as described in claim 1, it is characterised in that: the compression algorithm is that DSC compression algorithm or VLC compress
Algorithm.
3. sending method as described in claim 1, it is characterised in that: the 10000000000th network module is used for the UDP
Data packet is sent to reception device or is sent to 10,000,000,000 interchangers.
4. sending method as described in claim 1, which is characterized in that further include:
It obtains sending side and controls data；
It is described that compressed data are packaged as UDP message packet, it specifically includes:
The compressed data and sending side control data are packaged into data frame according to preset protocol；
The data frame is packaged as UDP message packet.
5. sending method as described in claim 1, which is characterized in that further include:
Receiving side UDP message packet is obtained from the 10000000000th network module；
Data frame is unpacked out from the receiving side UDP message packet, the data frame includes receiving side control data；
Data, which are controlled, according to the receiving side executes corresponding task.
6. sending method as described in claim 1, which is characterized in that further include:
Analog-to-digital conversion is carried out to the infrared signal received；
All data after the analog-to-digital conversion are packaged as sending side remote control UDP packet；
Sending side remote control UDP packet is sent to the 10000000000th network module；
If UDP packet is remotely controlled by the receiving side that the 10000000000th network module gets reception device transmission, to the reception
Side remote control UDP packet is unpacked；
Digital-to-analogue conversion is carried out to the data that unpacking obtains, and sending side infrared transmitting tube is controlled according to the result of digital-to-analogue conversion and is issued
Infrared signal.
7. sending method as claimed in claim 6, it is characterised in that: the corresponding port numbers of UDP message packet and the hair
Send remote control UDP packet corresponding port numbers in side different, and the corresponding port numbers of the UDP message packet and the receiving side are remotely controlled UDP
It is different to wrap corresponding port numbers.
8. a kind of method of reseptance of ultra high-definition video characterized by comprising
UDP message packet is obtained from the 20000000000th network module according to udp protocol；
Data to be decompressed are unpacked out from the UDP message packet；
The data to be decompressed are unziped it by decompression algorithm, to restore the data in ultra high-definition video.
9. method of reseptance as claimed in claim 8, it is characterised in that: the decompression algorithm is DSC decompression algorithm or VLC
Decompression algorithm.
10. method of reseptance as claimed in claim 8, it is characterised in that: the 20000000000th network module is used to fill from transmission
It sets and obtains UDP message packet, or obtain the UDP message packet that the sending device is sent from 10,000,000,000 interchangers.
11. method of reseptance as claimed in claim 8, it is characterised in that: described to unpack out number to be decompressed from the UDP message packet
According to specifically including:
Data frame is unpacked out from the UDP message packet, the data frame includes data to be decompressed and sending side control data；
The method of reseptance further include:
According to ultra high-definition video described in sending side control data playback.
12. method of reseptance as claimed in claim 8, which is characterized in that further include:
It obtains receiving side and controls data；
Receiving side control data are packaged into data frame according to preset protocol；
The data frame is packaged as receiving side UDP message packet；
The receiving side UDP message packet is sent to the 20000000000th network module according to udp protocol.
13. method of reseptance as claimed in claim 8, which is characterized in that further include:
Analog-to-digital conversion is carried out to the infrared signal received；
All data after the analog-to-digital conversion are packaged as receiving side remote control UDP packet；
Receiving side remote control UDP packet is sent to the 20000000000th network module；
If UDP packet is remotely controlled by the sending side that the 20000000000th network module gets sending device transmission, to the transmission
Side remote control UDP packet is unpacked；
Digital-to-analogue conversion is carried out to the data that unpacking obtains, and side infrared transmitting tube is controlled and received according to the result of digital-to-analogue conversion and is issued
Infrared signal.
14. a kind of sending device of ultra high-definition video, it is characterised in that: including first memory and first processor, described
One memory is for storing program instruction；If the first processor executes described program instruction, realize as in claim 1-7
The sending method of described in any item ultra high-definition videos.
15. a kind of reception device of ultra high-definition video, it is characterised in that: including second memory and second processor, described
Two memories are for storing program instruction；If the second processor executes described program instruction, such as claim 8-13 is realized
Any one of described in ultra high-definition video method of reseptance.
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| CN201910072476.9A CN109729299A (en) | 2019-01-25 | 2019-01-25 | A kind of sending, receiving method and device 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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