CN108322781A - Promote the method and system that HD video effect is played in virtual desktop - Google Patents
Promote the method and system that HD video effect is played in virtual desktop Download PDFInfo
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- CN108322781A CN108322781A CN201810129909.5A CN201810129909A CN108322781A CN 108322781 A CN108322781 A CN 108322781A CN 201810129909 A CN201810129909 A CN 201810129909A CN 108322781 A CN108322781 A CN 108322781A
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/24—Monitoring of processes or resources, e.g. monitoring of server load, available bandwidth, upstream requests
- H04N21/2408—Monitoring of the upstream path of the transmission network, e.g. client requests
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/24—Monitoring of processes or resources, e.g. monitoring of server load, available bandwidth, upstream requests
- H04N21/2402—Monitoring of the downstream path of the transmission network, e.g. bandwidth available
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
Abstract
The invention discloses the method and system that HD video effect is played in a kind of promotion virtual desktop, are related to desktop cloud field, this approach includes the following steps：GPU is installed on the calculate node server of operation SPICE server-sides, enables SPICE server-sides that GPU to be called to carry out Video coding.Operation SPICE server-sides and the connection for monitoring the initiation of SPICE clients.Local video decoding capability collection is reported to SPICE server-sides by SPICE clients, and SPICE server-sides selection coding mode simultaneously notifies SPICE clients, SPICE clients and SPICE server-sides that encoder and decoder are respectively created according to coding mode.HD video is played in virtual machine, SPICE server-sides detect to play the video playback area of HD video according to refresh rate, and are committed to encoder, and encoder calls the GPU of SPICE server-sides to carry out Video coding, is sent to SPICE clients.SPICE client call decoders decode, and are reduced into image and are shown.The present invention can reduce the load of SPICE server-sides CPU, substantially reduce occupied bandwidth, promote video display effect.
Description
Technical field
The present invention relates to desktop cloud fields, and in particular to a method of it is promoted and plays HD video effect in virtual desktop
And system.
Background technology
Under cloud computing virtual desktop environment, the fluency of desktop operation seems quite important for a user, especially
When user plays HD video, a large amount of CPU computing resources can be occupied, and occupied bandwidth is larger, user experience is generally bad.
For now, all there is certain skill using upper in figure and image when disposing virtual desktop in major cloud computing provider
Art bottleneck, product are also irregular to the experience that user brings.
The method that HD video effect is played in virtual desktop is promoted at present, there are two ways to relatively common：Method one,
It is that video resource is redirected to SPICE clients by way of redirection, player is built by SPICE clients to broadcast
Put the video, SPICE (Simple Protocol for Independent Computing Environment, independent calculating
Environment simple protocol), it can be used to dispose virtual desktop on server and remote computer such as desktop and thin client device,
It is similar to other rendering agreements for remote desktop management.Method two is to reduce video code rate by virtual machine transit code,
Then SPICE clients are sent to by Software Coding by SPICE server-sides, by SPICE clients SPICE display channel
In shown.
But there is certain defect in both methods：Reorientation method can not adjust video code rate and frame per second parameter,
And need in virtual machine and local structure and multimedia redirection software is installed, there are larger complexity in deployment, and exist
Native window covers the problem of window in virtual machine.Although code-transferring method can adjust code check and frame per second, it does not obviously subtract
The use of few cpu resource, and secondary coding can bring the decline of picture quality.
Invention content
In view of the deficiencies in the prior art, it can reduce what cpu resource used the purpose of the present invention is to provide a kind of
Promote the method that HD video effect is played in virtual desktop.
To achieve the above objectives, the technical solution adopted by the present invention is that：
A kind of method that HD video effect is played in promotion virtual desktop, this approach includes the following steps：
GPU is installed on the calculate node server of operation SPICE server-sides, and SPICE server-sides is enable to call GPU
Carry out Video coding；
Start virtual machine, run SPICE server-sides and monitors the connection of SPICE clients initiation；
The connection of SPICE client terminal start-ups and SPICE server-sides, and by the video decoding capability of SPICE clients local
Collection reports to SPICE server-sides, and SPICE server-sides select coding mode depending on video encoding capability collection according to itself and notify
SPICE clients, and SPICE server-sides create encoder according to coding mode, SPICE clients are created according to coding mode and are solved
Code device；
HD video is played in virtual machine, SPICE server-sides detect to play the video of HD video according to refresh rate
Play area, and video playback area is committed to encoder, encoder calls the GPU of SPICE server-sides to carry out Video coding,
And SPICE clients are sent to by the channels SPICE；And
SPICE clients detect the data in SPICE channels, and the decoder of establishment is called to decode, and be reduced into image into
Row display.
Based on the above technical solution, the SPICE server-sides calculate current real-time network bandwidth, and feed back to volume
Code device, encoder adjust code check and frame per second according to real-time network bandwidth in real time.
Based on the above technical solution, the SPICE server-sides calculate current Real-time Network by bandwidth detection algorithm
Network bandwidth.
Based on the above technical solution, the SPICE server-sides are examined according to drawing event and image detection algorithm
Survey video playback area.
Based on the above technical solution, the SPICE clients are equipped with integrated GPU, and the SPICE clients pass through
Integrated GPU is called to be decoded.
Based on the above technical solution, the Video coding is provided hard using ffmpeg or gstreamer softwares
Part addressable port is realized.
At the same time, the virtual table of promotion that cpu resource uses can be reduced it is another object of the present invention to provide a kind of
The method that HD video effect is played in face.
To achieve the above objectives, the technical solution adopted by the present invention is that：
The system that HD video effect is played in a kind of promotion virtual desktop, including SPICE server-sides and SPICE client
End；
The SPICE server-sides comprising,
Server-side GPU；
Code capacity negotiation module, is used to obtain the decoding capability of the SPICE clients, and feeds back to described
SPICE server-sides are to determine coding mode；
The encoder created according to the coding mode that the SPICE server-sides determine, the encoder is for calling institute
It states server-side GPU and carries out Video coding；
Video playing detection module is used to detect video playback area, and the video playback area is committed to institute
State encoder；
The SPICE clients comprising,
Decoding capability negotiation module is used to obtain coding mode determined by the SPICE server-sides；
The decoder created according to the coding mode that the SPICE server-sides determine, the decoder are used for described
The coding that encoder is write is decoded.
Based on the above technical solution, the SPICE server-sides further include bandwidth detection module, the bandwidth detection
Module feeds back to the encoder for calculating current real-time network bandwidth, and the encoder is according to real-time network bandwidth pair
Code check and frame per second are adjusted in real time.
Based on the above technical solution, the SPICE clients further include rendering display module, the rendering display
The image that module is used to restore the decoder carries out rendering processing.
Based on the above technical solution, the SPICE clients are equipped with integrated GPU, and the SPICE clients pass through
Integrated GPU is called to be decoded.
Compared with the prior art, the advantages of the present invention are as follows：
(1) method for promoting broadcasting HD video effect in virtual desktop of the invention, encoder are to call SPICE clothes
The GPU at business end carries out Video coding, to which CPU encoding tasks are unloaded to GPU, hence it is evident that reduces the negative of SPICE server-sides CPU
Lotus, and cpu resource is conceded, more desktops can be disposed.
(2) method for promoting broadcasting HD video effect in virtual desktop of the invention, since SPICE server-sides are counted in real time
Current real-time network bandwidth is calculated, so as to carry out real time modifying to coding parameter, rear occupied bandwidth is notable in this way
It reduces, hence it is evident that improve video display effect.
Description of the drawings
Fig. 1 is the flow chart that the method that HD video effect is played in virtual desktop is promoted in the embodiment of the present invention；
Fig. 2 is the structure diagram that the method, system that HD video effect is played in virtual desktop is promoted in the embodiment of the present invention.
Specific implementation mode
Invention is further described in detail with reference to the accompanying drawings and embodiments.
Shown in Figure 1, the embodiment of the present invention provides a kind of method for being promoted and playing HD video effect in virtual desktop,
This approach includes the following steps：
S1. GPU is installed on the calculate node server of operation SPICE server-sides, and SPICE server-sides is enable to call
GPU carries out Video coding；
Background server generally includes calculate node server and control node server, is to run in the present embodiment
GPU is installed on the calculate node server of SPICE server-sides, and corresponding driver is installed, changes SPICE server-side generations
Code, and configure the coding that GPU abilities can be called to carry out video.In the present embodiment, Video coding using ffmpeg or
The hardware encoding interface that gstreamer softwares provide is realized.
S2. start virtual machine, run SPICE server-sides and monitor the connection of SPICE clients initiation；
This step is mainly used for judging whether SPICE clients initiate the connection, if SPICE clients do not initiate the connection,
Then SPICE server-sides keep listening state to then follow the steps S3 if SPICE clients do not initiate the connection.
The connection of S3.SPICE client terminal start-ups and SPICE server-sides, and the video of SPICE clients local is decoded into energy
Power collection reports to SPICE server-sides, and SPICE server-sides select coding mode according to itself video encoding capability collection and notify
SPICE clients, and SPICE server-sides create encoder according to coding mode, SPICE clients are created according to coding mode and are solved
Code device；
Video encoding capability collection and video decoding capability collection refer to Video coding mode from two side of encoder and decoder
Face is come the coding mode set that describes.
SPICE server-sides will fully take into account the decoded ability of SPICE client videos in this step, in conjunction with itself
The ability of Video coding, so that it is determined that an optimal coding mode, and coding mode is notified into SPICE clients.
S4.SPICE server-sides calculate current real-time network bandwidth, and feed back to encoder, and encoder is according to real-time network
Bandwidth adjusts code check and frame per second in real time.
Specifically, SPICE server-sides calculate current real-time network bandwidth by bandwidth detection algorithm.
Since SPICE server-sides calculate current real-time network bandwidth in real time, so as to be repaiied in real time to coding parameter
Change, rear occupied bandwidth substantially reduces in this way, hence it is evident that improves video display effect.
S5. HD video is played in virtual machine, SPICE server-sides detect to play regarding for HD video according to refresh rate
Frequency play area, and video playback area is committed to encoder, encoder calls the GPU of SPICE server-sides to carry out video volume
Code, and SPICE clients are sent to by the channels SPICE；
Usual video playback area is higher compared to the refresh rate in other regions, can be by video playback area by refresh rate
Detected, encoder only needs to encode video playback area, and flow then is not walked to encode in other regions, directly by
SPICE protocol is sent to SPICE clients and is handled.
Sometimes when picture weave, the refresh rate of possible non-video play area is also very high, in order to more accurately examine
Video playback area is measured, specifically, SPICE server-sides are according to drawing event and image detection algorithm detection video playing area
Domain.
Drawing event refers to the event that display equipment is submitted in display driving, and it comprises rendering parameters and display content
Deng.Image detection algorithm refers to the testing mechanism combined according to refresh rate and detection algorithm, can accurately detect high speed image
Region.Detection algorithm usually has frame differential method, background modeling method, point detection method, image segmentation, clustering methodology and movement
Vector field.It after in this way, can be distinguished according to the feature of image, can preferably detect video playing area
Domain.
Further, since encoder is that the GPU of SPICE server-sides is called to carry out Video coding, to unload CPU encoding tasks
It is downloaded to GPU, concedes cpu resource, more desktops can be disposed.
S6.SPICE clients detect the data in the channels SPICE, call the decoder of establishment to decode, and be reduced into image
It is shown.
Further, in this embodiment SPICE clients be equipped with integrated GPU, SPICE clients are integrated by calling
GPU is decoded.
Through the above steps, it is only necessary to GPU be installed in the calculate node of SPICE server-sides, can be serviced in SPICE
In the case of the minimum change in end, achieve the purpose that image can be compressed by the hardware encoding ability of GPU, hence it is evident that reduce
The load of SPICE server-sides CPU, in the case where SPICE clients can meet decoding resource, HD video plays quite stream
Freely, and it is insufficient in network bandwidth or when having fluctuation, also it is obviously improved.In general, hence it is evident that improve in virtual machine and play
The experience of HD video.
Shown in Figure 2, the embodiment of the present invention provides a kind of system for being promoted and playing HD video effect in virtual desktop,
It includes SPICE server-sides and SPICE clients.
SPICE server-sides include server-side GPU, code capacity negotiation module, encoder and high speed image detection module.
Code capacity negotiation module is used to obtain the decoding capability of SPICE clients, and feeds back to SPICE server-sides with true
Determine coding mode.
Encoder is created according to the coding mode that SPICE server-sides determine, encoder is for calling server-side GPU
Carry out Video coding.Since encoder is that server-side GPU is called to carry out Video coding, to which CPU encoding tasks are unloaded to
GPU concedes cpu resource, can dispose more desktops.
Video playback area is committed to encoder by video playing detection module for detecting video playback area.
In addition, SPICE server-sides further include bandwidth detection module, bandwidth detection module is for calculating current real-time network band
Width, and encoder is fed back to, encoder adjusts code check and frame per second according to real-time network bandwidth in real time.Since SPICE takes
Business end calculates current real-time network bandwidth in real time, so as to carry out real time modifying to coding parameter, accounts for afterwards in this way
It is substantially reduced with bandwidth, hence it is evident that improve video display effect.
SPICE clients include decoding capability negotiation module and decoder.
Decoding capability negotiation module is for obtaining coding mode determined by SPICE server-sides.
Decoder is created according to the coding mode that SPICE server-sides determine, decoder is for writing encoder
Coding be decoded.
In addition, SPICE clients further include rendering display module, the image that display module is used to restore decoder is rendered
Carry out rendering processing.SPICE clients are equipped with client GPU, SPICE client by calling client GPU to be decoded.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
Under the premise of the principle of the invention, several improvements and modifications can also be made, these improvements and modifications are also considered as the protection of the present invention
Within the scope of.The content not being described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (10)
1. a kind of promoting the method for playing HD video effect in virtual desktop, which is characterized in that this approach includes the following steps：
GPU is installed on the calculate node server of operation SPICE server-sides, and enables SPICE server-sides that GPU to be called to carry out
Video coding；
Start virtual machine, run SPICE server-sides and monitors the connection of SPICE clients initiation；
The connection of SPICE client terminal start-ups and SPICE server-sides, and will be on the video decoding capability collection of SPICE clients local
Report to SPICE server-sides, SPICE server-sides selects coding mode according to itself video encoding capability collection and notifies SPICE client
End, and SPICE server-sides create encoder according to coding mode, SPICE clients create decoder according to coding mode；
HD video is played in virtual machine, SPICE server-sides detect to play the video playing of HD video according to refresh rate
Region, and video playback area is committed to encoder, encoder call the GPU of SPICE server-sides to carry out Video coding, and by
The channels SPICE are sent to SPICE clients；And
SPICE clients detect the data in the channels SPICE, call the decoder of establishment to decode, and be reduced into image and shown
Show.
2. promoting the method for playing HD video effect in virtual desktop as described in claim 1, it is characterised in that：It is described
SPICE server-sides calculate current real-time network bandwidth, and feed back to encoder, encoder according to real-time network bandwidth to code check and
Frame per second is adjusted in real time.
3. promoting the method for playing HD video effect in virtual desktop as claimed in claim 2, it is characterised in that：It is described
SPICE server-sides calculate current real-time network bandwidth by bandwidth detection algorithm.
4. promoting the method for playing HD video effect in virtual desktop as described in claim 1, it is characterised in that：It is described
SPICE server-sides detect video playback area according to drawing event and image detection algorithm.
5. promoting the method for playing HD video effect in virtual desktop as described in claim 1, it is characterised in that：It is described
SPICE clients are equipped with integrated GPU, and the SPICE clients integrate GPU by calling and are decoded.
6. promoting the method for playing HD video effect in virtual desktop as described in claim 1, it is characterised in that：It is described to regard
Frequently the hardware encoding interface that is provided using ffmpeg or gstreamer softwares is encoded to realize.
7. a kind of promoting the system for playing HD video effect in virtual desktop, which is characterized in that including SPICE server-sides and
SPICE clients；
The SPICE server-sides comprising,
Server-side GPU；
Code capacity negotiation module, is used to obtain the decoding capability of the SPICE clients, and feeds back to the SPICE clothes
End be engaged in determine coding mode；
The encoder created according to the coding mode that the SPICE server-sides determine, the encoder is for calling the clothes
Business end GPU carries out Video coding；
Video playing detection module is used to detect video playback area, and the video playback area is committed to the volume
Code device；
The SPICE clients comprising,
Decoding capability negotiation module is used to obtain coding mode determined by the SPICE server-sides；
The decoder created according to the coding mode that the SPICE server-sides determine, the decoder are used for the coding
The coding that device is write is decoded.
8. promoting the system for playing HD video effect in virtual desktop as claimed in claim 7, it is characterised in that：It is described
SPICE server-sides further include bandwidth detection module, and the bandwidth detection module is fed back for calculating current real-time network bandwidth
To the encoder, the encoder adjusts code check and frame per second according to real-time network bandwidth in real time.
9. promoting the system for playing HD video effect in virtual desktop as claimed in claim 7, it is characterised in that：It is described
SPICE clients further include rendering display module, the image progress for rendering display module and being used to restore the decoder
Rendering is handled.
10. promoting the system for playing HD video effect in virtual desktop as claimed in claim 7, it is characterised in that：It is described
SPICE clients are equipped with integrated GPU, and the SPICE clients integrate GPU by calling and are decoded.
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| CN201810129909.5A CN108322781A (en) | 2018-02-08 | 2018-02-08 | Promote the method and system that HD video effect is played in virtual desktop |
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