CN106101794A - The processing method of a kind of virtual desktop video data, Apparatus and system - Google Patents
The processing method of a kind of virtual desktop video data, Apparatus and system Download PDFInfo
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- CN106101794A CN106101794A CN201610466424.6A CN201610466424A CN106101794A CN 106101794 A CN106101794 A CN 106101794A CN 201610466424 A CN201610466424 A CN 201610466424A CN 106101794 A CN106101794 A CN 106101794A
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- 238000003672 processing method Methods 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 26
- 238000004891 communication Methods 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 description 13
- 230000005540 biological transmission Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000011800 void material Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
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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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
- H04N21/42607—Internal components of the client ; Characteristics thereof for processing the incoming bitstream
- H04N21/42623—Internal components of the client ; Characteristics thereof for processing the incoming bitstream involving specific decryption arrangements
-
- 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
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
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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]
- H04N21/40—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 or rendering scenes according to encoded video stream scene graphs
- H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream decryption
-
- 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
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
- H04N21/4437—Implementing a Virtual Machine [VM]
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Software Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The present invention provides the processing method of a kind of virtual desktop video data, Apparatus and system, and described method includes: receive the video data encoder that Teaching Service end sends；When determining that this video data encoder is teaching demonstration video data, described video data encoder is sent to virtual desktop client, so that described video data encoder is decoded by described virtual desktop client, and shows decoded image on a terminal screen.The application embodiment of the present invention can reduce the consumption of resources of virtual machine during teaching demonstration.
Description
Technical field
The present invention relates to network communication technology field, particularly relate to the processing method of a kind of virtual desktop video data, dress
Put and system.
Background technology
As the Floor layer Technology of cloud computing, virtual software is more ripe.By virtual software, manager can be
Be created that one or more virtual computer on one physical computer, these virtual machines completely just as real computer that
Sample is operated, such as, install operating system, set up applications, access Internet resources etc..For running in virtual machine
Application program for, virtual machine is exactly a real computer, and it possesses CPU (Center Process Unit), interior
Deposit, the hardware environment such as hard disk, mainboard, network interface card.
Traditional electronic classroom comprises two terminals: Teaching Service end and teaching client.Wherein, Teaching Service end is installed
On the PC (Personal Computer, personal computer) of teacher, do some demonstrations when being used for imparting knowledge to students, check teaching client
End ruuning situation；Teaching client is arranged on the PC of student, for accepting the teaching demonstration broadcast of teaching client.
Along with the progressively maturation of virtual software, traditional electronic classroom is the most progressively by VDI (Virtual Desktop
Infrastructure, virtual desktop framework) replace.The electronic classroom realized based on VDI, electronic instruction software is installed in void
On plan machine；When teaching client receives the teaching demonstration video that Teaching Service end sends, it is necessary first to decoding is on a virtual machine
Rendering, remote link communications needs again to capture virtual machine and renders the teaching demonstration video pictures obtained, and recompiles and sends out
Give PC terminal demonstration；During whole, virtual machine decodes, encode the resources such as the special CPU consuming virtual machine, as teaching visitor
After family end reaches some, the hyper-visor (virtual kernel platform) of carrying virtual machine can be too much because of resource consumptions such as CPU
And cannot be properly functioning.
Summary of the invention
The present invention provides the processing method of a kind of virtual desktop video data, Apparatus and system, to solve in prior art
During teaching demonstration, resources of virtual machine consumes too much problem.
First aspect according to embodiments of the present invention, it is provided that the processing method of a kind of virtual desktop video data, is applied to
Disposing teaching client on a virtual machine, described method includes:
Receive the video data encoder that Teaching Service end sends；
When determining that described video data encoder is teaching demonstration video data, described video data encoder is sent to void
Intend desktop client end, so that described video data encoder is decoded by described virtual desktop client, and on a terminal screen
Show decoded image.
Second aspect according to embodiments of the present invention, it is provided that the processing means of a kind of virtual desktop video data, is applied to
Disposing teaching client on a virtual machine, described device includes:
Receive unit, for receiving the video data encoder that Teaching Service end sends；
Judging unit, is used for judging whether described video data encoder is teaching demonstration video data；
Transmitting element, for when described video data encoder is teaching demonstration video data, by described Video coding number
According to being sent to virtual desktop client, so that described video data encoder is decoded by described virtual desktop client, and
Decoded image is shown on terminal screen.
The third aspect according to embodiments of the present invention, it is provided that the processing system of a kind of virtual desktop video data, including religion
Learning service end, teaching client and terminal, described teaching client deployment, on virtual machine, described terminal is deployed with virtual
Desktop client end；Wherein:
Described Teaching Service end, for when needs carry out teaching demonstration, obtains teaching demonstration image, and to described teaching
Demonstration graph picture carries out Video coding, to obtain video data encoder, and described video data encoder is sent to client of imparting knowledge to students；
Described teaching client is for receiving the video data encoder that described Teaching Service end sends and described when determining
When video data encoder is teaching demonstration video data, described video data encoder is sent to virtual desktop client, so that
Described video data encoder is decoded by described virtual desktop client, and shows decoded image on a terminal screen.
The application embodiment of the present invention, receives regarding of Teaching Service end transmission when disposing teaching client on a virtual machine
Frequently coded data, and determine when this video data encoder is teaching demonstration video data, this video data encoder is sent to void
Intend desktop client end, virtual desktop client video data encoder is decoded, and on a terminal screen show decode after
Image, with existing electronic instruction based on virtual desktop framework realize compared with, the teaching client being deployed in virtual machine is not required to
The teaching demonstration video data received it is decoded and recompiles, to reduce resources of virtual machine during teaching demonstration
Consumption.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the processing method of a kind of virtual desktop video data that the embodiment of the present invention provides；
Fig. 2 is the schematic flow sheet of the processing method of a kind of virtual desktop video data that the embodiment of the present invention provides；
Fig. 3 is the configuration diagram of a kind of concrete application scenarios that the embodiment of the present invention provides；
Fig. 4 is the structural representation of the processing means of a kind of virtual desktop video data that the embodiment of the present invention provides；
Fig. 5 is the configuration diagram of the processing system of a kind of virtual desktop video data that the embodiment of the present invention provides.
Detailed description of the invention
For the technical scheme making those skilled in the art be more fully understood that in the embodiment of the present invention, and make the present invention real
Execute the above-mentioned purpose of example, feature and advantage can become apparent from understandable, below in conjunction with the accompanying drawings to technical side in the embodiment of the present invention
Case is described in further detail.
Refer to the flow process of the processing method of a kind of virtual desktop video data that Fig. 1, Fig. 1 provide for the embodiment of the present invention
Schematic diagram, as it is shown in figure 1, the processing method of this virtual desktop video data may include that
It should be noted that in embodiments of the present invention, the executive agent of step 101～step 102 can be electronics religion
Learn the Teaching Service end of software or the processor of Teaching Service end, such as CPU, for ease of describing, below with step 101～step
The executive agent of 102 is to illustrate as a example by Teaching Service end.
Step 101, when needs carry out teaching demonstration, obtain teaching demonstration image, and this teaching demonstration image carried out
Video coding, to obtain video data encoder.
In the embodiment of the present invention, when Teaching Service end determine need to carry out teaching demonstration time, as detected, teaching demonstration is opened
Opening operational order, Teaching Service end can carry out screenshotss operation according to predetermined period, to obtain teaching demonstration image.Wherein, should
Predetermined period can be according to concrete scene settings.
In an embodiment of the present invention, for ensureing teaching demonstration quality, this predetermined period is set smaller than equal to 1/16
Second.
In the embodiment of the present invention, after Teaching Service end gets teaching demonstration image by screenshotss operation, can be to acquisition
To teaching demonstration image carry out Video coding, to obtain video data encoder.
Preferably, teaching demonstration image, when teaching demonstration image is carried out Video coding, can be entered by Teaching Service end
The Video coding of row H.264 (compression of digital video form) form, to improve the compression factor of video data encoder, reduces follow-up
Video playback bandwidth.
It should be appreciated that the Video coding that teaching demonstration image carries out H.264 form is only in the embodiment of the present invention
Teaching demonstration image is carried out a kind of concrete example of Video coding, and is not limiting the scope of the present invention, i.e. exist
In the embodiment of the present invention, it is also possible to by other video coding algorithm, teaching demonstration image is carried out Video coding, such as MPEG
(Moving Picture Experts Group, Motion Picture Experts Group) algorithm, JPEG (Joint Photographic
Expert Group, combines picture panel of expert) algorithm etc., it is embodied in this and does not repeats.
Step 102, this video data encoder is sent to impart knowledge to students client so that teaching client determining that this video is compiled
When code data are teaching demonstration video, this video data encoder is sent to virtual desktop client, so that virtual desktop client
Video data encoder is decoded by end, and shows decoded image on a terminal screen.
In the embodiment of the present invention, during in order to make teaching client receive video data encoder, it is possible to efficiently identify this
Whether video data encoder is teaching demonstration video data, can preset a specific mark, and this default mark is used for
Mark video data encoder is teaching demonstration video data.
Correspondingly, in embodiments of the present invention, when Teaching Service end carries out Video coding to teaching demonstration image, depending on
Frequently, after coded data, Teaching Service end can be packaged at this video data encoder, and after adding above-mentioned default mark, will envelope
Video data encoder after dress is sent to client of imparting knowledge to students by the way of multicast or broadcast.
In the embodiment of the present invention, the handling process after teaching client receives video data encoder may refer to Fig. 2 institute
Showing the associated description in method flow, the embodiment of the present invention does not repeats at this.
Further, in embodiments of the present invention, when Teaching Service end determine need terminate teaching demonstration time, as detected
Teaching demonstration end operation instructs, and Teaching Service end can send (by the way of broadcast or multicast) demonstration to teaching client
End notification message, is sent to virtual desktop client by teaching client by this demonstration end notification message, so that virtual table
Face client stops video display.
For example, user (such as the teacher of electronic classroom) can be by clicking on the knot on the display interface of Teaching Service end
Beam function button, sends the instruction of teaching demonstration end operation to Teaching Service end；Teaching Service end detects that this teaching demonstration is tied
During bundle operational order, Teaching Service end can be to teaching client broadcast or multicast demonstration end notification message, so that teaching is objective
Side, family stops teaching demonstration.
Refer to the flow process of the processing method of a kind of virtual desktop video data that Fig. 2, Fig. 2 provide for the embodiment of the present invention
Schematic diagram, as in figure 2 it is shown, this data processing method may include that
It should be noted that in embodiments of the present invention, the executive agent of step 201～step 202 can be electronics religion
Learn teaching client or the processor of client of imparting knowledge to students of software, such as CPU, wherein, this teaching client deployment in virtual machine, for
It is easy to describe, below by the executive agent of step 201～step 202 for illustrating as a example by teaching client.
The video data encoder that step 201, reception Teaching Service end send.
In the embodiment of the present invention, Teaching Service end sends implementing of video data encoder to teaching client can join
Associated description in method flow as shown in Figure 1, the embodiment of the present invention does not repeats them here.
Step 202, when determining that this video data encoder is teaching demonstration video data, this video data encoder is sent
To virtual desktop client, so that video data encoder is decoded by virtual desktop client, and show on a terminal screen
Decoded image.
In the embodiment of the present invention, after teaching client receives the video data encoder that Teaching Service end sends, can sentence
Whether whether this video data encoder disconnected is teaching demonstration video data, as above-mentioned pre-in judged to carry in this video data encoder
Bidding is known；If carrying this to preset mark, it is determined that this video data encoder is teaching demonstration video data；If not carrying this
Preset mark, it is determined that this video data encoder is not teaching demonstration data.
What deserves to be explained is, in embodiments of the present invention, when teaching client determines the video data encoder received not
Being teaching demonstration video data, the concrete handling process of teaching client may refer to the associated description in existing related realization,
The embodiment of the present invention does not repeats at this.
In the embodiment of the present invention, when teaching client determines that the video data encoder received is teaching demonstration video data
Time, this video data encoder will not be encoded, but this video data encoder can be sent to virtual table by teaching client
Face client, is decoded video data encoder by virtual desktop client, and shows decoded figure on a terminal screen
Picture；Wherein, this virtual desktop client is deployed in terminal, such as PC terminal.
As the optional embodiment of one, in embodiments of the present invention, video data encoder is sent to VDI client
End, may include that
By the passage between virtual machine and virtual desktop client, this video data encoder is sent to virtual desktop visitor
Family end.
In this embodiment, in order to realize teaching client, video data encoder is sent to VDI client, can be pre-
First set up between virtual machine and the virtual desktop client that teaching client is disposed and communicate, such as TCP (Transmission
Control Protocol, transmission control protocol) connection or VDI tunnel etc., when teaching client receives Teaching Service
The video data encoder that end sends, and determine when this video data encoder is teaching demonstration video, teaching client can be passed through
This video data encoder is sent to virtual desktop client by the communication connection between virtual machine and desktop client end.
Alternatively, in embodiments of the present invention, the communication connection between virtual machine and virtual desktop client can be passed through
The mode disposing Agent (agency) in virtual machine realizes, and this Agent communicates to connect for setting up with virtual desktop client,
And provide interface for teaching client, teaching this interface of client call regarded to virtual desktop client transmission by Agent
Frequently coded data；Or, it is also possible to directly set up communication connection by the special interface of virtual machine with virtual desktop client, from
And client of imparting knowledge to students can be directly by the communication connection between this special interface and virtual desktop client, by Video coding number
According to being sent to virtual desktop client, virtual desktop client it is decoded and shows.
Further, in embodiments of the present invention, when teaching client receive Teaching Service end send demonstration terminate
During notification message, this demonstration end notification message can be sent to virtual desktop client by teaching client, as virtual in called
The interface that the Agent that machine is disposed provides, is sent to virtual desktop client by Agent by this demonstration end notification message；Virtual
After desktop client termination receives this demonstration end notification message, video display can be stopped, recovering the normal display interface of terminal.
In order to make those skilled in the art be more fully understood that the technical scheme that the embodiment of the present invention provides, below in conjunction with specifically
The technical scheme that the embodiment of the present invention is provided by application scenarios is described in detail.
Refer to the configuration diagram of a kind of concrete application scenarios that Fig. 3, Fig. 3 provide for the embodiment of the present invention, such as Fig. 3 institute
Showing, this application scenarios may include that Teaching Service end, teaching client and PC terminal；Wherein, teaching client deployment in
The virtual machine that hyper-visor provides, (Virtual Machine is referred to as a corresponding virtual machine of teaching client
VM), each VM is deployed with Agent, this Agent and the virtual desktop client (in this embodiment disposed in corresponding PC terminal
As a example by VDI client) between set up have communication connection, as TCP connect or VDI tunnel.
Based on this application scenarios, what the data that the embodiment of the present invention provides processed is implemented as follows:
One, Teaching Service end handling process:
1, when opening teaching demonstration, screenshotss operation is carried out according to predetermined period；
2, the picture obtaining screenshotss carries out H.264 Video coding being packaged, and then plus presetting mark, this is preset
It is teaching demonstration video data that mark is used for identifying video data encoder；
3, the Video coding after encapsulation is sent to client of imparting knowledge to students by the way of multicast or broadcast；
4, at the end of teaching demonstration, by the way of multicast or broadcast, send demonstration end notification to teaching client disappear
Breath.
Two, teaching client process flow:
1, Teaching Service end multicast or the video data encoder of broadcast are received, it may be judged whether for teaching demonstration video data；
If it is not, then process by existing related procedure；
If 2 video data encoders received are teaching demonstration video data, then call and be deployed in virtual machine
The interface that Agent provides, video data encoder is sent to VDI terminal, Agent is connected or VDI by TCP by request Agent
Video data encoder is sent to VDI client by tunnel；
If 3 receive demonstration end notification message, then call the interface that the Agent being deployed in virtual machine provides, pass through
Demonstration end notification message is sent to VDI client by Agent, Agent connected or the general's demonstration of VDI tunnel by TCP
End notification message is sent to VDI client.
Three, VDI client process flow:
1, when receiving video data encoder, video data encoder is decoded, and on the display of PC terminal
Continuously display decoded image；
2, when receive demonstration end notification message time, stop video display, recover PC terminal display on normal
Display interface.
By above description it can be seen that in embodiments of the present invention, when disposing the termination of teaching client on a virtual machine
Receive the video data encoder that Teaching Service end sends, and determine when this video data encoder is teaching demonstration video data, will
This video data encoder is sent to virtual desktop client, virtual desktop client be decoded video data encoder, and
Show decoded image on a terminal screen, compared with the realization of existing electronic instruction based on virtual desktop framework, be deployed in
The teaching demonstration video data that the teaching client of virtual machine need not receiving is decoded and recompiles, and reduces religion
Learn the consumption of resources of virtual machine in presentation process.
Referring to Fig. 4, the structure for the device of a kind of virtual desktop video data process of embodiment of the present invention offer is shown
Being intended to, wherein, described device can apply to the teaching client in said method embodiment, as shown in Figure 4, this virtual desktop
The processing means of video data may include that
Receive unit 410, for receiving the video data encoder that Teaching Service end sends；
Judging unit 420, is used for judging whether described video data encoder is teaching demonstration video data；
Transmitting element 430, for when described video data encoder is teaching demonstration video data, by described Video coding
Data are sent to virtual desktop client, so that described video data encoder is decoded by described virtual desktop client, and
Show decoded image on a terminal screen.
In an alternative embodiment, described transmitting element 430, can be specifically for by virtual machine and virtual desktop client
Between communication connection described video data encoder is sent to virtual desktop client.
In an alternative embodiment, described judging unit 420, can be specifically for when described video data encoder carries
When presetting mark, determine that described video data encoder is teaching demonstration video；Wherein, described default mark be used for identifying described in regard
Frequently coded data is teaching demonstration video data；
Described reception unit 410, it is also possible to for receiving the demonstration end notification message that described Teaching Service end sends；
Described transmitting element 430, it is also possible to for described demonstration end notification message being sent to described virtual desktop visitor
Family end, so that described virtual desktop client stops video display.
Referring to Fig. 5, the framework for the processing system of a kind of virtual desktop video data of embodiment of the present invention offer shows
It is intended to, as it is shown in figure 5, the processing system of this virtual desktop video data may include that Teaching Service end 510, teaching client
520 and terminal 530, described teaching client 520 is deployed on virtual machine, and described terminal 530 is deployed with virtual desktop visitor
Family end；Wherein:
Described Teaching Service end 510, for when needs carry out teaching demonstration, obtains teaching demonstration image, and to described
Teaching demonstration image carries out Video coding, to obtain video data encoder, and described video data encoder is sent to teaching visitor
Family end；
Described teaching client 520, for receiving the video data encoder that described Teaching Service end sends, and when determining institute
State video data encoder when being teaching demonstration video data, described video data encoder is sent to virtual desktop client, with
Make described virtual desktop client that described video data encoder to be decoded, and show decoded on terminal 530 screen
Image.
In an alternative embodiment, described Teaching Service end 510, can be specifically for described teaching demonstration image be regarded
Frequency coding, after obtaining video data encoder, adds in described video data encoder and presets mark, and will carry described
The video data encoder presetting mark is sent to described teaching client；
Described teaching client 520, can be specifically for when carrying described presetting in the video data encoder received
During mark, determine that described video data encoder is teaching demonstration video data.
In an alternative embodiment, described teaching client 520, can be specifically for by virtual machine and virtual desktop client
Described video data encoder is sent to virtual desktop client by the communication connection between end.
In an alternative embodiment, described Teaching Service end 510, it is also possible to be used for when needs terminate teaching demonstration, Xiang Jiao
Learn client 520 and send demonstration end notification message；
Described teaching client 520, it is also possible to for terminating to lead to when the demonstration receiving the transmission of described Teaching Service end 510
When knowing message, described demonstration end notification message is sent to described virtual desktop client, so that described virtual desktop client
End stops video display.
In said apparatus, the function of unit and the process that realizes of effect specifically refer to corresponding step in said method
Realize process, do not repeat them here.
For device embodiment, owing to it corresponds essentially to embodiment of the method, so relevant part sees method in fact
The part executing example illustrates.Device embodiment described above is only schematically, wherein said as separating component
The unit illustrated can be or may not be physically separate, and the parts shown as unit can be or can also
It not physical location, i.e. may be located at a place, or can also be distributed on multiple NE.Can be according to reality
Need to select some or all of module therein to realize the purpose of the present invention program.Those of ordinary skill in the art are not paying
In the case of going out creative work, i.e. it is appreciated that and implements.
As seen from the above-described embodiment, regarding of Teaching Service end transmission is received when disposing teaching client on a virtual machine
Frequently coded data, and determine when this video data encoder is teaching demonstration video data, this video data encoder is sent to void
Intend desktop client end, virtual desktop client video data encoder is decoded, and on a terminal screen show decode after
Image, with existing electronic instruction based on virtual desktop framework realize compared with, the teaching client being deployed in virtual machine is not required to
The teaching demonstration video data received it is decoded and recompiles, to reduce resources of virtual machine during teaching demonstration
Consumption.
Those skilled in the art, after considering description and putting into practice invention disclosed herein, will readily occur to its of the present invention
Its embodiment.The application is intended to any modification, purposes or the adaptations of the present invention, these modification, purposes or
Person's adaptations is followed the general principle of the present invention and includes the undocumented common knowledge in the art of the present invention
Or conventional techniques means.Description and embodiments is considered only as exemplary, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be appreciated that the invention is not limited in precision architecture described above and illustrated in the accompanying drawings, and
And various modifications and changes can carried out without departing from the scope.The scope of the present invention is only limited by appended claim.
Claims (10)
1. the processing method of a virtual desktop video data, it is characterised in that be applied to the teaching visitor disposed on a virtual machine
Family end, described method includes:
Receive the video data encoder that Teaching Service end sends；
When determining that described video data encoder is teaching demonstration video data, described video data encoder is sent to virtual table
Face client, so that described video data encoder is decoded by described virtual desktop client, and shows on a terminal screen
Decoded image.
Method the most according to claim 1, it is characterised in that described described video data encoder is sent to virtual desktop
Client, including:
By the communication connection between virtual machine and virtual desktop client, described video data encoder is sent to virtual desktop
Client.
Method the most according to claim 1, it is characterised in that determine that described video data encoder is teaching demonstration video,
Including:
When described video data encoder carries default mark, determine that described video data encoder is teaching demonstration video；
Wherein, described default mark is used for identifying described video data encoder is teaching demonstration video data；
Described method also includes:
When receiving the demonstration end notification message that described Teaching Service end sends, described demonstration end notification message is sent
To described virtual desktop client, so that described virtual desktop client stops video display.
4. the processing means of a virtual desktop video data, it is characterised in that be applied to the teaching visitor disposed on a virtual machine
Family end, described device includes:
Receive unit, for receiving the video data encoder that Teaching Service end sends；
Judging unit, is used for judging whether described video data encoder is teaching demonstration video data；
Transmitting element, for when described video data encoder is teaching demonstration video data, sends out described video data encoder
Give virtual desktop client, so that described video data encoder is decoded by described virtual desktop client, and in terminal
Decoded image is shown on screen.
Device the most according to claim 4, it is characterised in that
Described transmitting element, specifically for compiling described video by the communication connection between virtual machine and virtual desktop client
Code data are sent to virtual desktop client.
Device the most according to claim 4, it is characterised in that
Described judging unit, specifically for when carrying default mark in described video data encoder, determining that described video is compiled
Code data are teaching demonstration video；Wherein, described default mark is used for identifying described video data encoder is teaching demonstration video
Data；
Described reception unit, is additionally operable to receive the demonstration end notification message that described Teaching Service end sends；
Described transmitting element, is additionally operable to described demonstration end notification message is sent to described virtual desktop client, so that institute
State virtual desktop client and stop video display.
7. the processing system of a virtual desktop video data, it is characterised in that include Teaching Service end, teaching client and
Terminal, described teaching client deployment, on virtual machine, described terminal is deployed with virtual desktop client；Wherein:
Described Teaching Service end, for when needs carry out teaching demonstration, obtains teaching demonstration image, and to described teaching demonstration
Image carries out Video coding, to obtain video data encoder, and described video data encoder is sent to client of imparting knowledge to students；
Described teaching client, for receiving the video data encoder that described Teaching Service end sends, and when determining described video
When coded data is teaching demonstration video data, described video data encoder is sent to virtual desktop client, so that described
Described video data encoder is decoded by virtual desktop client, and shows decoded image on a terminal screen.
System the most according to claim 7, it is characterised in that
Described Teaching Service end, specifically for carrying out Video coding to described teaching demonstration image, to obtain video data encoder
Afterwards, add in described video data encoder and preset mark, and the video data encoder carrying described default mark is sent out
Give described teaching client；
Described teaching client, specifically for when carrying described default mark in the video data encoder received, determining
Described video data encoder is teaching demonstration video data.
System the most according to claim 7, it is characterised in that
Described teaching client, specifically for by the communication connection between virtual machine and virtual desktop client by described video
Coded data is sent to virtual desktop client.
System the most according to claim 7, it is characterised in that
Described Teaching Service end, is additionally operable to when needs terminate teaching demonstration, sends demonstration end notification to teaching client and disappears
Breath；
Described teaching client, is additionally operable to when receiving the demonstration end notification message that described Teaching Service end sends, by institute
State demonstration end notification message and be sent to described virtual desktop client, so that described virtual desktop client stops video and drills
Show.
Priority Applications (1)
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