CN110531950A - A kind of video card for supporting KVM to encode - Google Patents
A kind of video card for supporting KVM to encode Download PDFInfo
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- CN110531950A CN110531950A CN201910900303.1A CN201910900303A CN110531950A CN 110531950 A CN110531950 A CN 110531950A CN 201910900303 A CN201910900303 A CN 201910900303A CN 110531950 A CN110531950 A CN 110531950A
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- 230000003287 optical effect Effects 0.000 claims abstract description 46
- 230000005540 biological transmission Effects 0.000 claims abstract description 39
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 230000006837 decompression Effects 0.000 claims description 4
- 230000017105 transposition Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 13
- 239000013307 optical fiber Substances 0.000 abstract description 5
- 230000006870 function Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 238000007726 management method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005314 correlation function Methods 0.000 description 1
- 238000013144 data compression Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000003362 replicative effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
- G06F13/385—Information transfer, e.g. on bus using universal interface adapter for adaptation of a particular data processing system to different peripheral devices
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0026—PCI express
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0042—Universal serial bus [USB]
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- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
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- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention belongs to KVM to show transmission technique field, and in particular to a kind of video card for supporting KVM to encode, it is intended to solve the external coding module of prior art needs, occupied space is big, at high cost, reliability is low problem.Video card of the present invention: PCIE interface receives input data and power supply；Interface module, including video output interface, USB interface, optical port, network interface are respectively used to output vision signal, transmit signal with external USB device transmission signal, by optical port and network interface；Data processing unit, for to input vision signal and usb signal encoded, decoded, converted, exported from corresponding output interface and SFP differential signal is converted a signal into according to Transfer pipe control instruction export or be converted to ethernet signal by optical port and pass through network interface output.The present invention substitutes external coding module or coding box in KVM equipment, is integrated in the PCIE slot of host or server and supports that optical fiber transmits and network transmission simultaneously, can the using and the reserved, reduce cost, improve stability and reliability.
Description
Technical field
The invention belongs to KVM to show transmission technique field, and in particular to a kind of video card for supporting KVM coding.
Background technique
KVM encoding device is digitized keyboard, audio-video and mouse data by light, net tranmission techniques, and is transmitted to
Unified monitoring management is carried out in KVM switcher.The technology realizes manager and constantly monitors and manage multiple in central control station
The function of website, multiple server systems saves manpower and equipment cost, saves space.
Existing KVM equipment, it is defeated according to host, server video using external input coding module or input coding box
The difference of outgoing interface configures different input equipment or module, and audio-video, keyboard and mouse Signal coding are converted into network or light
Signal output, by cable or the signal from multiple main frames, server apparatus is uniformly connected to interchanger to optical fiber cable and KVM is solved
Decoding apparatus carries out unified monitoring management.
This mode needs external individual coding module or coding box, and needs the input-output line of various interfaces, accounts for
Certain computer room cabinet space, the superiority and inferiority of line and the length of wiring can have a certain impact to signal quality, select high-performance
Cable virtually increases cost again, and for aesthetics, the more demanding occasion of simplification is also not suitable for, and encounters part vibration and shakes
Adverse circumstances, connection reliability, the stability such as rolling are relatively low.
Summary of the invention
In order to solve the above problem in the prior art, i.e., existing KVM equipment needs external coding module or coding box,
Big, at high cost, reliability the is low problem of occupied space, the present invention provides a kind of video card for supporting KVM to encode, which includes
PCIE interface, interface module, data processing unit；
The PCIE interface is matched with computer motherboard PCIE slot, in the PCIE interface and the computer motherboard
When PCIE slot grafting, for obtaining the external video data of computer motherboard transmitting, Transfer pipe control instruction and for institute
State interface module, data processing unit power supply；
The interface module includes video output interface, USB interface, optical port, network interface；The video output interface is for defeated
Vision signal out；The USB interface is used for and external USB device transmission signal；The optical port is for exporting SFP difference form view
Frequency signal and acquisition external USB signal；The network interface is for exporting ether web form vision signal and obtaining external USB letter
Number；
The data processing unit includes the first data processing module, the second data processing module, third data processing mould
Block, the 4th data processing module；
First data processing module, the external video data for transmitting the PCIE interface carry out data format
It is assigned as two-way after conversion, and will wherein be sent to video output interface all the way, another way is sent to second data processing
Module；It is also used to the Transfer pipe control instruction that the PCIE interface is sent being sent to second data processing module；
Second data processing module for encoding the data compressing first data processing module and sending, and divides
It is not sent to the third data processing module, the 4th data processing module and is sent to the Transfer pipe control instruction
4th data processing module；
The third data processing module, the data for sending second data processing module are converted to USB letter
Number, and it is sent to the USB interface；
The 4th Data Data module, for according to the Transfer pipe control instruction by the second data processing mould
The data that block is sent are converted to corresponding data format and from corresponding optical port or network interface outputs and by the optical port or network interface
The external USB signal of acquisition is sent to second data processing module.
In some preferred embodiments, the PCIE interface matches connection, institute with computer motherboard PCIE slot respectively
State the connection of the first data processing module；
First data processing module is CPU module, is counted respectively with the PCIE interface, video output interface, second
It is connected according to processing module；
Second data processing module be video coding apparatus, respectively with first data processing module, third number
It is connected according to processing module, the 4th data processing module；
The third data processing module be usb signal conversion equipment, respectively with second data processing module, USB
Interface connection；
4th data processing module be SFP differential signal, ethernet signal conversion and switching transposition, respectively with institute
State the second data processing module, optical port, network interface connection.
In some preferred embodiments, second data processing module is additionally provided with usb data decoding apparatus；
The USB decoding apparatus is configured to be sent to institute after decoding the external USB signal that the optical port or network interface are sent
State third data processing module.
In some preferred embodiments, the network interface is the network interface of integrated transformer or increases in the network interface input terminal
Corresponding transformer.
In some preferred embodiments, the PCIE interface is the channel X16 specification.
In some preferred embodiments, the video output interface includes HDMI interface, DVI interface, USB interface；
The HDMI interface, for exporting HDMI video signal；
The DVI interface, for exporting DVI vision signal；
The USB interface is used for outputting VGA vision signal.
In some preferred embodiments, second data processing module and the fourth processing module pass through RGMII
Protocol format transmits data.
In some preferred embodiments, the external video data is converted to HDMI by first data processing module
One of format, DVI format, VGA format are a variety of.
Another aspect of the present invention, proposes a kind of optical port transmission video card for supporting KVM to encode, which transmits video card packet
Include PCIE interface, interface module, data processing unit；
The PCIE interface is matched with computer motherboard PCIE slot, in the PCIE interface and the computer motherboard
When PCIE slot grafting, for obtaining the external video data of computer motherboard transmitting and for the interface module, at data
Manage unit power supply；
The interface module includes video output interface, USB interface, optical port；The video output interface is for exporting view
Frequency signal；The USB interface is used for and external USB device transmission signal；The optical port is for exporting SFP difference form video letter
Number and obtain external USB signal；
The data processing unit includes the first data processing module, the second data processing module, third data processing mould
Block；
First data processing module, the external video data for transmitting the PCIE interface carry out data format
It is assigned as two-way after conversion, and will wherein be sent to video output interface all the way, another way is sent to second data processing
Module；
Second data processing module, for distinguishing after encoding the data for compressing the first data processing module transmission
It is sent after being sent to the external USB signal that the third data processing module, the optical port and the decompression optical port are sent
To the third data processing module；
The third data processing module, the data for sending second data processing module are converted to USB letter
Number, and it is sent to the USB interface.
The third aspect of the present invention, proposes a kind of network interface transmission video card for supporting KVM to encode, which transmits video card packet
Include PCIE interface, interface module, data processing unit；
The PCIE interface is matched with computer motherboard PCIE slot, in the PCIE interface and the computer motherboard
When PCIE slot grafting, for obtaining the external video data of computer motherboard transmitting and for the interface module, at data
Manage unit power supply；
The interface module includes video output interface, USB interface, network interface；The video output interface is for exporting view
Frequency signal；The USB interface is used for and external USB device transmission signal；The network interface is for exporting ether web form video letter
Number and obtain external USB signal；
The data processing unit includes the first data processing module, the second data processing module, third data processing mould
Block, the 5th data processing module；
First data processing module, the external video data for transmitting the PCIE interface carry out data format
It is assigned as two-way after conversion, and will wherein be sent to video output interface all the way, another way is sent to second data processing
Module；
Second data processing module for encoding the data compressing first data processing module and sending, and divides
It is not sent to the third data processing module, the 5th data processing module；
The third data processing module, the data for sending second data processing module are converted to USB letter
Number, and it is sent to the USB interface；
The 5th Data Data module, the data for sending second data processing module are converted to Ethernet
Signal is simultaneously sent to the network interface and the external USB signal that the network interface obtains is sent to the second data processing mould
Block.
Beneficial effects of the present invention:
(1) a kind of video card for supporting KVM to encode of the present invention both may be used as common video card output image, also can be used as
A kind of video card having KVM encoding function is inserted in the PCIE slot of host, server, omitting external coding module or coding
Box, while many cables are eliminated, space is saved, wiring cost is reduced, improves reliability, product aesthetics is good.
(2) a kind of video card for supporting KVM to encode of the present invention, the integrated data that can support optical fiber transmission and network transmission simultaneously
Module, and be able to achieve the switching of both of which, can actively select transmission mode according to transmission requirement, can also select wherein one
Kind of mode switches to standby mode in failure, improves stability and reliability using another mode as spare.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon:
Fig. 1 is a kind of structural schematic diagram for the video card for supporting KVM to encode of the present invention；
Fig. 2 is a kind of a kind of structural schematic diagram of the optical port transmission video card of embodiment of video card for supporting KVM to encode of the present invention；
Fig. 3 is a kind of a kind of structural schematic diagram of the network interface transmission video card of embodiment of video card for supporting KVM to encode of the present invention.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is only used for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to just
Part relevant to related invention is illustrated only in description, attached drawing.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
A kind of video card for supporting KVM to encode of the invention, which includes PCIE interface, interface module, data processing list
Member；
The PCIE interface is matched with computer motherboard PCIE slot, in the PCIE interface and the computer motherboard
When PCIE slot grafting, for obtaining the external video data of computer motherboard transmitting, Transfer pipe control instruction and for institute
State interface module, data processing unit power supply；
The interface module includes video output interface, USB interface, optical port, network interface；The video output interface is for defeated
Vision signal out；The USB interface is used for and external USB device transmission signal；The optical port is for exporting SFP difference form view
Frequency signal and acquisition external USB signal；The network interface is for exporting ether web form vision signal and obtaining external USB letter
Number；
The data processing unit includes the first data processing module, the second data processing module, third data processing mould
Block, the 4th data processing module；
First data processing module, the external video data for transmitting the PCIE interface carry out data format
It is assigned as two-way after conversion, and will wherein be sent to video output interface all the way, another way is sent to second data processing
Module；It is also used to the Transfer pipe control instruction that the PCIE interface is sent being sent to second data processing module；
Second data processing module for encoding the data compressing first data processing module and sending, and divides
It is not sent to the third data processing module, the 4th data processing module and is sent to the Transfer pipe control instruction
4th data processing module；
The third data processing module, the data for sending second data processing module are converted to USB letter
Number, and it is sent to the USB interface；
The 4th Data Data module, for according to the Transfer pipe control instruction by the second data processing mould
The data that block is sent are converted to corresponding data format and from corresponding optical port or network interface outputs and by the optical port or network interface
The external USB signal of acquisition is sent to second data processing module.
In order to which more clearly the video card for supporting KVM to encode a kind of to the present invention is illustrated, below with reference to Fig. 1 to the present invention
Each module expansion is described in detail in embodiment.
A kind of video card for supporting KVM to encode of an embodiment of the present invention, including at PCIE interface, interface module, data
Unit is managed, each module is described in detail as follows:
The PCIE interface is matched with computer motherboard PCIE slot, matches company with computer motherboard PCIE slot respectively
It connects, first data processing module connection is used in the PCIE interface and the computer motherboard PCIE slot grafting
Obtain computer motherboard transmitting external video data, Transfer pipe control instruction and be the interface module, data processing
Unit power supply.
PCIE interface than pci interface standard there are many improving, including higher maximum system bus throughput is lower
I/O pin number and smaller physical size, better bus apparatus performance scaling, more detailed error detection and report mechanism
(advanced error report, AER) and the machine warm connection function.
In one embodiment of the invention, it is the channel X16 specification that PCIE interface, which selects big bandwidth, is capable of providing up to 5GB/
The bandwidth of s, suitable for handling the data of the HD videos such as the bigger 4k of data volume.Between the mainboard of host and video card of the present invention
Carried out data transmission by PCIE interface with bus form, while mainboard provides 12V electricity by PCIE interface for video card of the present invention
Source.
The interface module includes video output interface, USB interface, optical port, network interface；The video output interface is for defeated
Vision signal out；The USB interface is used for and external USB device transmission signal；The optical port is for exporting SFP difference form view
Frequency signal and acquisition external USB signal；The network interface is for exporting ether web form vision signal and obtaining external USB letter
Number.
Network interface is the network interface of integrated transformer or increases corresponding transformer in the network interface input terminal.
Video output interface includes HDMI interface, DVI interface, USB interface, is respectively used to output HDMI, DVI, VGA video
Signal.
The data processing unit includes the first data processing module, the second data processing module, third data processing mould
Block, the 4th data processing module；
First data processing module is CPU module, is counted respectively with the PCIE interface, video output interface, second
It is connected according to processing module, the external video data for transmitting the PCIE interface is assigned as two after carrying out Data Format Transform
Road, and it will wherein be sent to video output interface all the way, another way is sent to second data processing module；It is also used to institute
The Transfer pipe control instruction for stating the transmission of PCIE interface is sent to second data processing module.
The external video data is converted to HDMI format, DVI format, in VGA format by the first data processing module
It is one or more.
Second data processing module be video coding apparatus, respectively with first data processing module, third number
It is connected according to processing module, the 4th data processing module, for encoding the data compressing first data processing module and sending, and
It is respectively sent to the third data processing module, the 4th data processing module and sends the Transfer pipe control instruction
To the 4th data processing module.
Second data processing module and the fourth processing module pass through RGMII protocol format transmission data.
Second data processing module is additionally provided with usb data decoding apparatus, is configured to send the optical port or network interface
The third data processing module is sent to after the decoding of external USB signal.
The third data processing module be usb signal conversion equipment, respectively with second data processing module, USB
Interface connection, the data for sending second data processing module are converted to usb signal, and are sent to the USB and connect
Mouthful.
The 4th Data Data module be SFP differential signal, ethernet signal conversion and switching transposition, respectively with institute
The second data processing module, optical port, network interface connection are stated, being used for will be at second data according to the Transfer pipe control instruction
The data that reason module is sent be converted to corresponding data format and from corresponding optical port or network interface output and by the optical port or
The external USB signal that network interface obtains is sent to second data processing module.
In one embodiment of the invention, the data transfer of each data processing module is mainboard in data processing unit
Audio, video data, Transfer pipe control instruction by PCIE interface input the first data processing module --- CPU module, GPU
The core of module is high performance video cards chipset, and audio, video data and Transfer pipe control instruction pass through display chip group, video memory
It is defeated that HDMI video output interface, DVI video output interface, VGA video can directly be passed through with latter roads of processing such as digital-to-analogue conversions
Outgoing interface output, another way are sent to the second data processing module --- and FPGA module, FPGA module encode audio, video data
Compression generates RGMII signal and is sent to the 4th data processing module together with Transfer pipe control instruction --- PHY module, PHY root
According to Transfer pipe control instruction change data, if Transfer pipe control instruction is to be transmitted by optical port, PHY module be will acquire
Data are converted to SFP differential signalling form and export from optical port, if Transfer pipe control instruction is to be transmitted by network interface, PHY mould
The data that block will acquire are converted to ethernet signal form and export from network interface.PHY module of the present invention is using 88E1512 core
Piece, this chip can support optical fiber transmission and network transmission simultaneously, and the two switching may be implemented.In other examples,
It can also use other that can support optical port, network interface transmission and the chip for carrying out transmission mouth switching simultaneously, the present invention is herein no longer
It is described in detail one by one.
The usb signals such as keyboard and mouse and USB flash disk that outside control administrative center is transmitted are inputted by optical fiber or cable, are believed with light
Number or network signal form enter FPGA module, after being decoded decompression in FPGA, be sent to third data processing
Module --- MCU or USB processing module.Keyboard and mouse data can be packaged defeated by MCU by simply replicating usb data packet
Out, this control command for being adapted for carrying out the lesser keyboard and mouse of some data volumes.And it is biggish for data volumes such as similar USB flash disks
USB peripheral then needs dedicated USB processing module to be handled.Usb signal can be decoded and be converted into parallel data by FPGA module
It is communicated with each other with USB processing module.USB processing module receives parallel data, and reconvert passes through USB at usb signal after processing
Interface output.The USB interface of video card of the present invention is connected by external short USB line with host USB port, external in this way to control management end
Key mouse order can show the connected computer of card control through the invention.
The second data processing module uses FPGA module in the present embodiment, can also select Hai Si in other examples
HI3536 chip or other chips with Video coding function realize correlation function, and the present invention is no longer described in detail one by one herein.
A kind of optical port transmission video card for supporting KVM to encode of second embodiment of the invention, structural schematic diagram such as Fig. 2 institute
Show, it includes PCIE interface, interface module, data processing unit which, which transmits video card,；
The PCIE interface is matched with computer motherboard PCIE slot, in the PCIE interface and the computer motherboard
When PCIE slot grafting, for obtaining the external video data of computer motherboard transmitting and for the interface module, at data
Manage unit power supply；
The interface module includes video output interface, USB interface, optical port；The video output interface is for exporting view
Frequency signal；The USB interface is used for and external USB device transmission signal；The optical port is for exporting SFP difference form video letter
Number and obtain external USB signal；
The data processing unit includes the first data processing module, the second data processing module, third data processing mould
Block；
First data processing module, the external video data for transmitting the PCIE interface carry out data format
It is assigned as two-way after conversion, and will wherein be sent to video output interface all the way, another way is sent to second data processing
Module；
Second data processing module, for distinguishing after encoding the data for compressing the first data processing module transmission
It is sent after being sent to the external USB signal that the third data processing module, the optical port and the decompression optical port are sent
To the third data processing module；
The third data processing module, the data for sending second data processing module are converted to USB letter
Number, and it is sent to the USB interface.
Person of ordinary skill in the field can be understood that, for convenience and simplicity of description, foregoing description
The specific work process of system and related explanation, can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
It should be noted that the optical port provided by the above embodiment for supporting KVM coding transmits video card, only with above-mentioned each function
The division of module carries out for example, in practical applications, can according to need and by above-mentioned function distribution by different functions
Module is completed, i.e., the module in the embodiment of the present invention is decomposed or combined again, for example, the module of above-described embodiment can close
And be a module, it can also be further split into multiple submodule, to complete all or part of the functions described above.It is right
The title of module involved in the embodiment of the present invention, it is only for distinguish modules, be not intended as to of the invention improper
It limits.
A kind of network interface transmission video card for supporting KVM to encode of third embodiment of the invention, structural schematic diagram such as Fig. 3 institute
Show, it includes PCIE interface, interface module, data processing unit which, which transmits video card,；
The PCIE interface is matched with computer motherboard PCIE slot, in the PCIE interface and the computer motherboard
When PCIE slot grafting, for obtaining the external video data of computer motherboard transmitting and for the interface module, at data
Manage unit power supply；
The interface module includes video output interface, USB interface, network interface；The video output interface is for exporting view
Frequency signal；The USB interface is used for and external USB device transmission signal；The network interface is for exporting ether web form video letter
Number and obtain external USB signal；
The data processing unit includes the first data processing module, the second data processing module, third data processing mould
Block, the 5th data processing module；
First data processing module, the external video data for transmitting the PCIE interface carry out data format
It is assigned as two-way after conversion, and will wherein be sent to video output interface all the way, another way is sent to second data processing
Module；
Second data processing module for encoding the data compressing first data processing module and sending, and divides
It is not sent to the third data processing module, the 5th data processing module；
The third data processing module, the data for sending second data processing module are converted to USB letter
Number, and it is sent to the USB interface；
The 5th Data Data module, the data for sending second data processing module are converted to Ethernet
Signal is simultaneously sent to the network interface and the external USB signal that the network interface obtains is sent to the second data processing mould
Block.
Person of ordinary skill in the field can be understood that, for convenience and simplicity of description, foregoing description
The specific work process of system and related explanation, can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
It should be noted that the network interface provided by the above embodiment for supporting KVM coding transmits video card, only with above-mentioned each function
The division of module carries out for example, in practical applications, can according to need and by above-mentioned function distribution by different functions
Module is completed, i.e., the module in the embodiment of the present invention is decomposed or combined again, for example, the module of above-described embodiment can close
And be a module, it can also be further split into multiple submodule, to complete all or part of the functions described above.It is right
The title of module involved in the embodiment of the present invention, it is only for distinguish modules, be not intended as to of the invention improper
It limits.
Term " first ", " second " etc. are to be used to distinguish similar objects, rather than be used to describe or indicate specific suitable
Sequence or precedence.
Term " includes " or any other like term are intended to cover non-exclusive inclusion, so that including a system
Process, method, article or equipment/device of column element not only includes those elements, but also including being not explicitly listed
Other elements, or further include the intrinsic element of these process, method, article or equipment/devices.
So far, it has been combined preferred embodiment shown in the drawings and describes technical solution of the present invention, still, this field
Technical staff is it is easily understood that protection scope of the present invention is expressly not limited to these specific embodiments.Without departing from this
Under the premise of the principle of invention, those skilled in the art can make equivalent change or replacement to the relevant technologies feature, these
Technical solution after change or replacement will fall within the scope of protection of the present invention.
Claims (10)
1. a kind of video card for supporting KVM to encode, which is characterized in that the video card includes PCIE interface, interface module, data processing list
Member；
The PCIE interface is matched with computer motherboard PCIE slot, is inserted in the PCIE interface and the computer motherboard PCIE
When slot grafting, for obtaining the external video data of computer motherboard transmitting, Transfer pipe control instruction and for the interface
Module, data processing unit power supply；
The interface module includes video output interface, USB interface, optical port, network interface；The video output interface is for exporting view
Frequency signal；The USB interface is used for and external USB device transmission signal；The optical port is for exporting SFP difference form video letter
Number and obtain external USB signal；The network interface is for exporting ether web form vision signal and obtaining external USB signal；
The data processing unit includes the first data processing module, the second data processing module, third data processing module, the
Four data processing modules；
First data processing module, the external video data for transmitting the PCIE interface carry out Data Format Transform
After be assigned as two-way, and will wherein be sent to video output interface all the way, another way is sent to second data processing module；
It is also used to the Transfer pipe control instruction that the PCIE interface is sent being sent to second data processing module；
Second data processing module for encoding the data compressing first data processing module and sending, and is sent out respectively
It send to the third data processing module, the 4th data processing module and is sent to the Transfer pipe control instruction described
4th data processing module；
The third data processing module, the data for sending second data processing module are converted to usb signal, and
It is sent to the USB interface；
The 4th Data Data module, for sending out second data processing module according to the Transfer pipe control instruction
The data sent are converted to corresponding data format and obtain from corresponding optical port or network interface output and by the optical port or network interface
External USB signal be sent to second data processing module.
2. a kind of video card for supporting KVM to encode according to claim 1, which is characterized in that
The PCIE interface matches connection, first data processing module connection with computer motherboard PCIE slot respectively；
First data processing module is CPU module, respectively and at the PCIE interface, video output interface, the second data
Manage module connection；
Second data processing module is video coding apparatus, respectively and at first data processing module, third data
Manage module, the connection of the 4th data processing module；
The third data processing module be usb signal conversion equipment, respectively with second data processing module, USB interface
Connection；
4th data processing module is SFP differential signal, ethernet signal conversion and switching transposition, respectively with described the
Two data processing modules, optical port, network interface connection.
3. a kind of video card for supporting KVM to encode according to claim 1 or 2, which is characterized in that second data processing
Module is additionally provided with usb data decoding apparatus；
The USB decoding apparatus is configured to will to be sent to after the external USB signal decoding that the optical port or network interface are sent described the
Three data processing modules.
4. a kind of video card for supporting KVM to encode according to claim 1 or 2, which is characterized in that the network interface is integrated becomes
The network interface of depressor increases corresponding transformer in the network interface input terminal.
5. a kind of video card for supporting KVM to encode according to claim 1 or 2, which is characterized in that the PCIE interface is
The channel X16 specification.
6. a kind of video card for supporting KVM to encode according to claim 1 or 2, which is characterized in that the video output interface
Including HDMI interface, DVI interface, USB interface；
The HDMI interface, for exporting HDMI video signal；
The DVI interface, for exporting DVI vision signal；
The USB interface is used for outputting VGA vision signal.
7. a kind of video card for supporting KVM to encode according to claim 1 or 2, which is characterized in that second data processing
Module and the fourth processing module pass through RGMII protocol format transmission data.
8. a kind of video card for supporting KVM to encode according to claim 1, which is characterized in that the first data processing mould
The external video data is converted to one of HDMI format, DVI format, VGA format or a variety of by block.
9. a kind of optical port transmission video card for supporting KVM to encode, which is characterized in that optical port transmission video card includes PCIE interface, connects
Mouth mold block, data processing unit；
The PCIE interface is matched with computer motherboard PCIE slot, is inserted in the PCIE interface and the computer motherboard PCIE
When slot grafting, for obtaining the external video data of computer motherboard transmitting and being the interface module, data processing unit
Power supply；
The interface module includes video output interface, USB interface, optical port；The video output interface is for exporting video letter
Number；The USB interface is used for and external USB device transmission signal；The optical port for export SFP difference form vision signal with
And obtain external USB signal；
The data processing unit includes the first data processing module, the second data processing module, third data processing module；
First data processing module, the external video data for transmitting the PCIE interface carry out Data Format Transform
After be assigned as two-way, and will wherein be sent to video output interface all the way, another way is sent to second data processing module；
Second data processing module, for being sent respectively after encoding the data for compressing the first data processing module transmission
Institute is sent to after the external USB signal sent to the third data processing module, the optical port and the decompression optical port
State third data processing module；
The third data processing module, the data for sending second data processing module are converted to usb signal, and
It is sent to the USB interface.
10. a kind of network interface transmission video card for supporting KVM to encode, which is characterized in that network interface transmission video card includes PCIE interface, connects
Mouth mold block, data processing unit；
The PCIE interface is matched with computer motherboard PCIE slot, is inserted in the PCIE interface and the computer motherboard PCIE
When slot grafting, for obtaining the external video data of computer motherboard transmitting and being the interface module, data processing unit
Power supply；
The interface module includes video output interface, USB interface, network interface；The video output interface is for exporting video letter
Number；The USB interface is used for and external USB device transmission signal；The network interface for export ether web form vision signal with
And obtain external USB signal；
The data processing unit includes the first data processing module, the second data processing module, third data processing module, the
Five data processing modules；
First data processing module, the external video data for transmitting the PCIE interface carry out Data Format Transform
After be assigned as two-way, and will wherein be sent to video output interface all the way, another way is sent to second data processing module；
Second data processing module for encoding the data compressing first data processing module and sending, and is sent out respectively
It send to the third data processing module, the 5th data processing module；
The third data processing module, the data for sending second data processing module are converted to usb signal, and
It is sent to the USB interface；
The 5th Data Data module, the data for sending second data processing module are converted to ethernet signal
And it is sent to the network interface and the external USB signal that the network interface obtains is sent to second data processing module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910900303.1A CN110531950A (en) | 2019-09-23 | 2019-09-23 | A kind of video card for supporting KVM to encode |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910900303.1A CN110531950A (en) | 2019-09-23 | 2019-09-23 | A kind of video card for supporting KVM to encode |
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