CN106851317A - A kind of method and system for improving view data transmission speed - Google Patents
A kind of method and system for improving view data transmission speed Download PDFInfo
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- CN106851317A CN106851317A CN201710080715.6A CN201710080715A CN106851317A CN 106851317 A CN106851317 A CN 106851317A CN 201710080715 A CN201710080715 A CN 201710080715A CN 106851317 A CN106851317 A CN 106851317A
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- view data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/65—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using error resilience
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
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- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
Abstract
The present invention relates to desktop virtualization field, more particularly to a kind of method for improving view data transmission speed is comprised the following steps；Collection view data；Compression described image data；Encode through the view data of overcompression；It is transferred through the view data of coding to virtual machine；Virtual machine parses encoded view data.Mode is redirected using on the basis of high-definition image equipment based on desktop cloud USB port existing, high-definition image data to client collection are compressed, temporarily volume of transmitted data is reduced when making client that view data is transferred into virtual machine, data after compression are encoded, formation is difficult the signal specific organizational form that be disturbed and can recover from error of transmission, so as to improve the reliability of transmission；Encoded image data analyzing is the view data output of high-definition image after the view data for receiving client transmissions by virtual machine；So as to realize while image definition is not influenceed, improving view data transmission speed.
Description
Technical field
The present invention relates to desktop virtualization field, more particularly to a kind of method for improving view data transmission speed and it is
System.
Background technology
High-definition image equipment (such as high photographing instrument) is video equipment, and video traffic data belong to video image, are calculated with frame.
But it is used as USB device, from usb protocol, business datum is a URB (USB REQUEST BLOCK), uses USB
During port redirection mode, in desktop cloud, it is important that between vision facilities and virtual machine URB message transparent transmission；Average every frame
Data 30 URB message of correspondence, every time-consuming about more than ten milliseconds of URB Message Processing, one frame data for the treatment of will be about 500
It is more than millisecond；The data form of collection is yuv format data simultaneously, and transmission belt is roomy, and data processing time delay causes upper layer software (applications)
A frame data are obtained at the appointed time slowly, the state of blank screen wait are just presented in interface display, so as to influence software
Normal work.
The content of the invention
The technical problems to be solved by the invention are：A kind of method and system for improving view data transmission speed is provided,
Solve vision facilities and use the transmission bandwidth occurred when redirecting and be acquired high clear video image data based on USB port
Greatly, data processing time delay, image interim card, it is impossible to the problem of normal display.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：One kind improves view data transmission speed
Method, comprise the following steps；
Collection view data；
Compression described image data；
Encode through the view data of overcompression；
Virtual machine receives encoded view data；
Virtual machine parses encoded view data, obtains the view data by parsing.
The present invention is that beneficial effect is：A kind of method for improving view data transmission speed of the present invention, existing
Have and mode is redirected using on the basis of high-definition image equipment based on desktop cloud USB port, to the high-definition image of client collection
Data are compressed, and temporarily volume of transmitted data are reduced when making client that view data is transferred into virtual machine, to the number after compression
According to being encoded, formation is difficult the signal specific organizational form that be disturbed and can recover from error of transmission, so as to improve biography
Defeated reliability；Encoded image data analyzing is high definition after the view data for receiving client transmissions by virtual machine
The view data output of image；Therefore the present invention is realized while image definition is not influenceed, and improves view data transmission
Speed, solves vision facilities to be acquired the transmission belt that high-definition image data band comes roomy using redirecting based on USB, several
According to treatment time delay, the problem that image can not normally show.
Brief description of the drawings
Fig. 1 is a kind of method flow diagram of raising view data transmission speed of the specific embodiment of the invention；
Fig. 2 is a kind of system architecture diagram of raising view data transmission element of the specific embodiment of the invention；
Label declaration：
1st, acquisition module；2nd, compression module；3rd, coding module；4th, receiver module；
5th, parsing module；6th, sending module.
Specific embodiment
It is to describe technology contents of the invention, the objects and the effects in detail, below in conjunction with implementation method and coordinates attached
Figure is explained.
The design of most critical of the present invention is：High-definition image data to client collection are compressed, and pass through after coding
Data transmission channel is transmitted to virtual machine, and virtual machine carries out resolving to high-definition image lattice to the view data by compressed encoding
Formula, so as to export the video with high-definition image, the clear of output image is not reduced while view data transmission speed is improved
Clear degree.
A kind of method for improving view data transmission speed, comprises the following steps；
Collection view data；
Compression described image data；
Encode through the view data of overcompression；
Virtual machine receives encoded view data；
Virtual machine parses encoded view data, obtains the view data by parsing.
The method of above-mentioned raising view data transmission speed, is used existing based on desktop cloud USB port redirection mode
On the basis of high-definition image equipment, the high-definition image data to client collection are compressed, and client is passed view data
Volume of transmitted data temporarily is reduced when being defeated by virtual machine, the data after compression are encoded, formation is difficult to be disturbed and can be from
The signal specific organizational form recovered in error of transmission, so as to improve the reliability of transmission；Virtual machine is receiving client transmissions
View data after, by encoded image data analyzing for high-definition image view data export；Therefore the present invention is realized
While image definition is not influenceed, view data transmission speed is improved, solve vision facilities using based on USB weights
The transmission belt that orientation is acquired high-definition image data band is roomy, data processing time delay, the problem that image can not normally show.
Desktop virtualization agreement of the present invention includes that independent simple protocol, RDP or the PCoIP of calculating is assisted
View and other desktop protocols.
Further, described " compression described image data " are specially：
Using H264 compression algorithm described image data.
Seen from the above description, in Image Coding Algorithms, H264 compression algorithm rates are high, good quanlity, therefore use herein
The compression algorithm carries out data encoding treatment, the volume of transmitted data between client and virtual machine is further reduced, so as to enter one
Step improves the transmission speed of view data.
Further, before described " collection view data ", also including step：Send the message request file of virtual machine extremely
Client, the message request file includes the control command of collection image.
Further, described " virtual machine receives encoded view data " is specially：Virtual machine passes through data interaction
The data feedback channel of passage receives encoded view data；
" the message request file of transmission virtual machine to client " is specially：By the descending logical of data exchange channels
Road sends the message request file of virtual machine to client.
Seen from the above description, data exchange channels are newly-established data transmission channel, are divided into data feedback channel and descending
The message and data that the protocol contents that passage, wherein data feedback channel are transmitted are sent according to virtualization protocol client are concluded,
And the protocol contents that down going channel is transmitted are concluded according to the message that virtual machine sends, data are passed through between virtual machine and client
The data feedback channel and down going channel of exchange channels are completed, and further improve the data transmission bauds between virtual machine and client.
Further, described " virtual machine parses encoded view data " is specially：Virtual machine parsing is encoded
View data for yuv format view data.
Seen from the above description, most of video format of video equipment collection uses yuv format, main pursuit image
Definition, is yuv format by encoded image data analyzing, and video is kept while view data transmission speed is improved
The definition of image.
Refer to Fig. 2, a kind of system of raising view data transmission speed, including：
The message request file of virtual machine is sent to client, the message request file includes the control life of collection image
Order；
Acquisition module 1：For client according to the control command of collection image, view data is gathered；
Compression module 2：For compressing described image data；
Coding module 3：For encoding through the view data of overcompression；
Receiver module 4：Virtual machine receives encoded view data；
Parsing module 5：Encoded view data is parsed for virtual machine.
Further, the system for improving view data transmission speed also includes：
Compression module 2：For using H264 compression algorithm described image data.
Further, the system for improving view data transmission speed also includes：
Sending module 6：The message request file of virtual machine is sent to client, the message request file includes that collection is schemed
The control command of picture.
Further, the system of described raising view data transmission speed also includes：
Receiver module 4：Virtual machine receives encoded view data by the data feedback channel of data exchange channels；
Sending module 6：For sending the message request file of virtual machine to visitor by the down going channel of data exchange channels
Family end.
Further, the system for improving view data transmission speed also includes：
Parsing module 5：It is the view data of yuv format to parse encoded view data for virtual machine.
Embodiment 1
Fig. 1 is refer to, a kind of method of raising view data transmission speed is comprised the following steps；
S1：The message request file of virtual machine is sent to client by the down going channel of data exchange channels, it is described to disappear
Breath demand file includes the control command of collection image；
S2：Collection view data；
S3：Using H264 compression algorithm described image data；
S4：Encode through the view data of overcompression；
S5：Virtual machine receives encoded view data by the data feedback channel of data exchange channels；
S6：Virtual machine parses encoded view data.
In sum, the method for the raising view data transmission speed that the present invention is provided, existing based on desktop cloud USB ends
Using on the basis of high-definition image equipment, the high-definition image data to client collection are compressed salty oriented approach, make visitor
Volume of transmitted data temporarily is reduced when view data is transferred to virtual machine by family end, the data after compression are encoded, formed not
The signal specific organizational form that be easily disturbed and can recover from error of transmission, so as to improve the reliability of transmission；Virtual machine
After the view data for receiving client transmissions, by encoded image data analyzing for the view data of high-definition image is defeated
Go out；Therefore the present invention is realized while image definition is not influenceed, and improves view data transmission speed, is solved image and is set
It is standby using based on USB redirections be acquired high-definition image data band come transmission belt it is roomy, data processing time delay, image is not
The problem that can normally show.In Image Coding Algorithms, H264 compression algorithm rates are high, good quanlity, therefore use the compression herein
Algorithm carries out data encoding treatment, the volume of transmitted data between client and virtual machine is further reduced, so as to further improve
The transmission speed of view data.Data exchange channels are newly-established data transmission channel, are divided into data feedback channel and down going channel,
The message and data that the protocol contents that wherein data feedback channel is transmitted are sent according to virtualization protocol client are concluded, and descending
The protocol contents that passage is transmitted are concluded according to the message that virtual machine sends, logical by data interaction between virtual machine and client
The data feedback channel and down going channel in road are completed, and further improve the data transmission bauds between virtual machine and client.Video sets
Most of video format of standby collection uses yuv format, the main definition for pursuing image, by encoded view data solution
It is yuv format to analyse, and the definition of video image is kept while view data transmission speed is improved.
Embodiments of the invention are the foregoing is only, the scope of the claims of the invention is not thereby limited, it is every to utilize this hair
The equivalents that bright specification and accompanying drawing content are made, or the technical field of correlation is directly or indirectly used in, similarly include
In scope of patent protection of the invention.
Claims (10)
1. it is a kind of improve view data transmission speed method, it is characterised in that comprise the following steps；
Collection view data；
Compression described image data；
Encode through the view data of overcompression；
Virtual machine receives encoded view data；
Virtual machine parses encoded view data, obtains the view data by parsing.
2. the method for improving view data transmission speed according to claim 1, it is characterised in that described " compression is described
View data " is specially：
Using H264 compression algorithm described image data.
3. it is according to claim 1 improve view data transmission speed method, it is characterised in that it is described " collection image
Before data ", also including step：The message request file of virtual machine is sent to client, the message request file includes adopting
Collect the control command of image.
4. it is according to claim 3 improve view data transmission speed method, it is characterised in that
" virtual machine receives encoded view data " is specially：The data feedback channel that virtual machine passes through data exchange channels
Receive encoded view data；
" the message request file of transmission virtual machine to client " is specially：Sent out by the down going channel of data exchange channels
Send the message request file of virtual machine to client.
5. it is according to claim 1 improve view data transmission speed method, it is characterised in that " the virtual machine solution
The encoded view data of analysis " is specially：It is the view data of yuv format that virtual machine parses encoded view data.
6. it is a kind of improve view data transmission speed system, it is characterised in that including：
The message request file of virtual machine is sent to client, the message request file includes the control command of collection image；
Acquisition module：For client according to the control command of collection image, view data is gathered；
Compression module：For compressing described image data；
Coding module：For encoding through the view data of overcompression；
Receiver module：Encoded view data is received for virtual machine；
Parsing module：Encoded view data is parsed for virtual machine.
7. it is according to claim 6 improve view data transmission speed system, it is characterised in that also include：
Compression module：For using H264 compression algorithm described image data.
8. it is according to claim 6 improve view data transmission speed system, it is characterised in that also include：
Sending module：The message request file of virtual machine is sent to client, the message request file includes collection image
Control command.
9. it is according to claim 6 improve view data transmission speed system, it is characterised in that also include：
Receiver module：Virtual machine receives encoded view data by the data feedback channel of data exchange channels；
Sending module：For sending the message request file of virtual machine to client by the down going channel of data exchange channels.
10. it is according to claim 6 improve view data transmission speed system, it is characterised in that also include：
Parsing module：It is the view data of yuv format to parse encoded view data for virtual machine.
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| CN201710080715.6A CN106851317A (en) | 2017-02-15 | 2017-02-15 | A kind of method and system for improving view data transmission speed |
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| CN201710080715.6A CN106851317A (en) | 2017-02-15 | 2017-02-15 | A kind of method and system for improving view data transmission speed |
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