CN104247364B - Video transmission method, device, and system applied to remote desktop - Google Patents

Video transmission method, device, and system applied to remote desktop Download PDF

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Publication number
CN104247364B
CN104247364B CN201380000716.5A CN201380000716A CN104247364B CN 104247364 B CN104247364 B CN 104247364B CN 201380000716 A CN201380000716 A CN 201380000716A CN 104247364 B CN104247364 B CN 104247364B
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China
Prior art keywords
video
client
playback capability
video playback
service end
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Active
Application number
CN201380000716.5A
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Chinese (zh)
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CN104247364A (en
Inventor
梁治平
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Huawei Cloud Computing Technologies Co Ltd
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Huawei Technologies Co Ltd
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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/80Responding to QoS
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60Network streaming of media packets
    • H04L65/75Media network packet handling
    • H04L65/762Media network packet handling at the source 
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/02Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/04Protocols specially adapted for terminals or networks with limited capabilities; specially adapted for terminal portability
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/08Protocols specially adapted for terminal emulation, e.g. Telnet
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/2866Architectures; Arrangements
    • H04L67/30Profiles
    • H04L67/303Terminal profiles

Abstract

A video transmission method applied to a remote desktop, and a related device and system. The method comprises: obtaining a video playing capability of a client; obtaining a video playing capability of a browser of a server; comparing the video playing capability of the client with the video playing capability of the browser of the server, and if the video playing capability of the client is lower than the video playing capability of the browser of the server, interacting with a webpage server by using the video playing capability of the client, and obtaining a video file meeting the video playing capability of the client; and sending the video file meeting the video playing capability of the client to the client, so that the client decodes and plays the video file. Occupation of resources of the server and occupation of a network bandwidth can be reduced.

Description

A kind of video transmission method and equipment, system for being applied to remote desktop
Technical field
The present invention relates to Internet technical field, more particularly to a kind of video transmission method for being applied to remote desktop and set Standby, system.
Background technology
In remote desktop, the video page of web page server is accessed by the browser of service end as the user of client Face and when clicking on the video file for needing to play, if client only supports that the video file of Flash format is played, and service end Browser support HTML 5(Hypertext Markup Language5, HTML5)The video file of form is broadcast Put, in other words browser video playback capability of the video playback capability of client less than service end, then web page server Can be preferentially by the video file transfer of HTML5 forms to service end(Wherein, web page server is usual to same video file simultaneously Support HTML5 forms and Flash format), it is sent to after by service end the video file of HTML5 forms being decoded and rendered Client is played out.
But find in practice, service end is decoded to the video file of HTML5 forms and rendered and not only can take more Many service end resources, and the video file of HTML5 forms decoded and be sent to after being rendered client also can take compared with The high network bandwidth.
The content of the invention
Embodiment of the present invention technical problem to be solved is to provide a kind of video transmission method for being applied to remote desktop And equipment, system, the occupancy to service end resource and the occupancy to the network bandwidth can be reduced.
Embodiment of the present invention first aspect provides a kind of video transmission method for being applied to remote desktop, methods described bag Include:
Obtain the video playback capability of client;
Obtain the video playback capability of the browser of service end;
The video playback capability of the video playback capability of the comparison client and the browser of the service end;
If the video playback capability of the client is adopted less than the video playback capability of the browser of the service end The video playback capability of the client is interacted with web page server, and acquisition meets the video playback capability of the client Video file;
The video file of the video playback capability for meeting the client is sent to into the client, so that institute State client the video file is decoded and played.
In the first possible implementation of embodiment of the present invention first aspect, the video for obtaining client is broadcast Exoergic power includes:
Receive user agent's information that client sends;
User agent's information that the client sends is scanned, the user agent's packet for obtaining the client transmission contains The client video playback capability.
With reference to the first possible implementation of embodiment of the present invention first aspect, in embodiment of the present invention first aspect Second possible implementation in, the video playback capability of browser for obtaining service end includes:
User agent's information of the browser at scan service end, obtains user agent's information of the browser of the service end Comprising service end browser video playback capability.
With reference to embodiment of the present invention first aspect or the first to second possible reality of embodiment of the present invention first aspect Any one in existing mode, in the third possible implementation of embodiment of the present invention first aspect, methods described is also wrapped Include:
If the video playback capability of the client is changed less than the video playback capability of the browser of the service end The video playback capability information of the browser of the service end that the service end is preserved, so that service end preservation is described The video playback capability information updating of the browser of service end is the video playback capability of the client.
With reference to embodiment of the present invention first aspect or embodiment of the present invention first aspect first to the third possible reality Any one in existing mode, it is described using described in the 4th kind of possible implementation of embodiment of the present invention first aspect The video playback capability of client is interacted with web page server, and acquisition meets regarding for the video playback capability of the client Frequency file includes:
Transmission carries the connection request of the video playback capability of the client to web page server, so that the webpage Server returns the video web-pages of the video playback capability for meeting the client;
The video web-pages are parsed, video tab is obtained;
Transmission carries the video file of the video tab and asks to the web page server;
Receive the corresponding video file of the video tab that the web page server is returned.
With reference to the 4th kind of possible implementation of embodiment of the present invention first aspect, in embodiment of the present invention first aspect The 5th kind of possible implementation in, it is described send carry the client video playback capability connection request to net Before page server, methods described also includes:
Receive user opens event by the video web-pages that the client is triggered on the browser of the service end;
Respond the video web-pages and open event, perform the video playback capability that described transmission carries the client Connection request to web page server the step of.
With reference to embodiment of the present invention first aspect or first to the 5th kind of possible reality of embodiment of the present invention first aspect Any one in existing mode, in the 6th kind of possible implementation of embodiment of the present invention first aspect, methods described is also wrapped Include:
If the video playback capability of the client is not less than the video playback capability of the browser of the service end, adopt Interacted with the video playback capability and web page server of the service end, obtain video file;
The video file is sent to into the client, so that the client is decoded to the video file And broadcasting.
Embodiment of the present invention second aspect provides a kind of computer-readable storage medium, and the computer-readable storage medium is stored with meter Calculation machine program, when the computer program in the computer-readable storage medium is read into computer, enables to described Computer completes the Overall Steps of the video transmission method for being applied to remote desktop provided such as embodiment of the present invention first aspect.
The embodiment of the present invention third aspect provides a kind of video transmission equipment for being applied to remote desktop, the equipment bag Include:
Acquiring unit, for obtaining the video playback capability of the video playback capability of client and the browser of service end, And export to comparing unit;
Whether the comparing unit, the video playback capability for relatively more described client is less than browsing for the service end The video playback capability of device, if it is, notifying interactive unit;
The interactive unit, for responding the notice of the comparing unit, using the video playback capability of the client Interact with web page server, acquisition meets the video file of the video playback capability of the client, and exports to transmission Unit;
The transmitting element, for the video file of the video playback capability for meeting the client to be sent to into visitor Family end, so that the client is decoded and played to the video file.
In the first possible implementation of the embodiment of the present invention third aspect, the acquiring unit includes:
Receiving subelement, for receiving user agent's information of client transmission, and exports to the first scanning subelement;
The first scanning subelement, for scanning user agent's information that the client sends, obtains the client The video playback capability of the client that user agent's packet that end sends contains, and export to comparing unit.
With reference to the first possible implementation of the embodiment of the present invention third aspect, in the embodiment of the present invention third aspect Second possible implementation in, it is described first scanning subelement be additionally operable to scan service end browser user agent Information, obtains the video playback capability of the browser of the service end that user agent's packet of the browser of the service end contains, And export to comparing unit.
With reference to the embodiment of the present invention third aspect or the first to second possible reality of embodiment of the present invention first aspect Any one in existing mode, in the third possible implementation of the embodiment of the present invention third aspect, the transmission of video Equipment also includes injection unit;
The comparing unit, is additionally operable to clear less than the service end in the video playback capability for comparing the client Look at device video playback capability when, notify the injection unit;
The injection unit, for responding the notice of the comparing unit, changes the service that the service end is preserved The video playback capability information of the browser at end, so that the video playback of the browser of the service end of service end preservation Ability information is updated to the video playback capability of the client, and notifies interactive unit;
The interactive unit, is additionally operable to respond the notice of the injection unit, performs the described employing client Video playback capability is interacted with web page server, and acquisition meets the video file of the video playback capability of the client, And the step of export to transmitting element.
With reference to the embodiment of the present invention third aspect or the embodiment of the present invention third aspect first to the third possible reality Any one in existing mode, in the 4th kind of possible implementation of the embodiment of the present invention third aspect, the interactive unit Including:
Subelement is sent, for sending the connection request of the video playback capability for carrying the client to web service Device, so that the web page server returns the video web-pages of the video playback capability for meeting the client, and triggering parsing Subelement;
The parsing subelement, for parsing the video web-pages, obtains video tab, and exports single to transmission Unit;
The transmission subelement, is additionally operable to send the video file for carrying the video tab and asks to give webpage clothes Business device, and trigger receiving subelement;
The receiving subelement, for receiving the corresponding video text of the video tab that the web page server is returned Part, and export to transmitting element.
With reference to the 4th kind of possible implementation of the embodiment of the present invention third aspect, in the embodiment of the present invention third aspect The 5th kind of possible implementation in, the receiving subelement is additionally operable to receive user by the client in the service The video web-pages triggered on the browser at end open event, and notify the transmission subelement;
The transmission subelement, is additionally operable to respond the video web-pages unlatching event, and the transmission described in performing is carried The step of connection request of the video playback capability of the client is to web page server.
With reference to the embodiment of the present invention third aspect or first to the 5th kind of possible reality of the embodiment of the present invention third aspect Any one in existing mode, in the 6th kind of possible implementation of the embodiment of the present invention third aspect, the comparing unit, It is additionally operable to be not less than the video playback capability of the browser of the service end in the video playback capability for comparing the client When, trigger interactive unit;
The interactive unit, is additionally operable to respond the triggering of the comparing unit, using the video playback energy of the service end Power is interacted with web page server, obtains video file, and is exported to transmitting element;
The transmitting element, for the video file to be sent to into client, so that the client is regarded to described Frequency file is decoded and played.
A kind of video transmission equipment for being applied to remote desktop of embodiment of the present invention fourth aspect offer, including transmitter, Receiver, memorizer and the processor being connected with the transmitter, the receiver and the memorizer respectively;
Wherein, batch processing code is stored in the memorizer, and the processor is used to call to deposit in the memorizer The program code of storage, for performing following operation:
The processor triggers the receiver, so that the receiver obtains the video playback capability of client;
The processor obtains the video playback capability of the browser of service end, and the video playback of relatively more described client The video playback capability of the browser of ability and the service end, if the video playback capability of the client is less than the service The video playback capability of the browser at end, then interacted using the video playback capability and web page server of the client, Acquisition meets the video file of the video playback capability of the client, and triggers the transmitter;
The video file of the video playback capability for meeting the client is sent to client and is broadcast by the transmitter Put.
In the first possible implementation of embodiment of the present invention fourth aspect, the receiver is used to receive client User agent's information that end sends, and user agent's information that the client sends is scanned, obtain what the client sent The video playback capability of the client that user agent's packet contains.
With reference to the first possible implementation of embodiment of the present invention fourth aspect, in embodiment of the present invention fourth aspect Second possible implementation in, the mode that the processor obtains the video playback capability of the browser of service end is concrete For:
User agent's information of the browser at the processor scan service end, obtains the use of the browser of the service end The video playback capability of the browser of the service end that family proxy information is included.
With reference to embodiment of the present invention fourth aspect or the first to second possible reality of embodiment of the present invention fourth aspect Any one in existing mode, in the third possible implementation of the embodiment of the present invention third aspect, the processor is also Perform following operation:
If the video playback capability of the client is less than the video playback capability of the browser of the service end, described Processor changes the video playback capability information of the browser of the service end that the service end is preserved, so that the service end The video playback capability information updating of the browser of the service end for preserving is the video playback capability of the client.
With reference to embodiment of the present invention fourth aspect or embodiment of the present invention fourth aspect first to the third possible reality Any one in existing mode, in the 4th kind of possible implementation of embodiment of the present invention fourth aspect, the processor is adopted Interacted with the video playback capability and web page server of the client, acquisition meets the video playback energy of the client The mode of the video file of power is specially:
The processor triggers the connection request that the transmitter sends the video playback capability for carrying the client To web page server, so that the web page server returns the video web-pages of the video playback capability for meeting the client;
The processor parses the video web-pages, obtains video tab;
The processor triggers the transmitter and sends and carries the video file of the video tab and ask to the net Page server;
The processor triggers the receiver and receives that the video tab that the web page server returns is corresponding to be regarded Frequency file.
With reference to the 4th kind of possible implementation of embodiment of the present invention fourth aspect, in embodiment of the present invention fourth aspect The 5th kind of possible implementation in, the processor also triggers the receiver receive user by the client in institute State the video web-pages triggered on the browser of service end and open event, and the video web-pages are received in the receiver and open After event, trigger the transmitter and respond the video click event that the client sends, perform described transmission and carry State client video playback capability connection request to web page server the step of.
With reference to embodiment of the present invention fourth aspect or first to the 5th kind of possible reality of embodiment of the present invention fourth aspect Any one in existing mode, in the 6th kind of possible implementation of embodiment of the present invention fourth aspect, the processor is also Perform following operation:
If the video playback capability of the client is not less than the video playback capability of the browser of the service end, adopt Interacted with the video playback capability and web page server of the service end, obtain video file, and trigger the transmitter;
The video file is sent to the client by the transmitter, so that the client is to video text Part is decoded and played.
In the embodiment of the present invention, if the video playback capability of client is less than the video playback capability of local browser, that The video playback capability of client can be adopted to interact with web page server, acquisition meets the video playback energy of client The video file of power is simultaneously sent to client and is decoded and played.By implementing the embodiment of the present invention, even if in client In the case of video playback capability of the video playback capability less than the browser of service end, service end is without to web page server The video file of transmission is decoded and is then forwarded to after being rendered client terminal playing, but the video that web page server is transmitted is literary Part is transmitted directly to client and is decoded and played, such that it is able to effectively reduce to the occupancy of service end resource and to network The occupancy of bandwidth.
Description of the drawings
Technical scheme in order to be illustrated more clearly that the embodiment of the present invention, below by to be used needed for embodiment Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ability For the those of ordinary skill of domain, on the premise of not paying creative work, can be attached to obtain others according to these accompanying drawings Figure;
Fig. 1 is a kind of flow chart of video transmission method for being applied to remote desktop provided in an embodiment of the present invention;
Fig. 2 is the flow chart of the video transmission method that another kind provided in an embodiment of the present invention is applied to remote desktop;
Fig. 3 is a kind of structure chart of video transmission equipment for being applied to remote desktop provided in an embodiment of the present invention;
Fig. 4 is the structure chart of the video transmission equipment that another kind provided in an embodiment of the present invention is applied to remote desktop;
Fig. 5 is the workflow schematic diagram of the video transmission equipment for being applied to remote desktop shown in Fig. 4;
Fig. 6 is the structure chart of the video transmission equipment that another kind provided in an embodiment of the present invention is applied to remote desktop.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
A kind of video transmission method and equipment, system for being applied to remote desktop is embodiments provided, can be dropped The low occupancy to service end resource and the occupancy to the network bandwidth.It is described in detail individually below.
Fig. 1 is referred to, Fig. 1 is a kind of stream of video transmission method for being applied to remote desktop provided in an embodiment of the present invention Cheng Tu.In the embodiment of the present invention, the video transmission method for being applied to remote desktop described by Fig. 1 is performed by service end.Should It should be appreciated that, the video transmission method for being applied to remote desktop described by Fig. 1 can also be by other-end equipment or main frame To perform, as long as these terminal units or main frame can be interacted with web page server, and can build between client remote Journey desktop, the embodiment of the present invention is not construed as limiting.As shown in figure 1, the video transmission method for being applied to remote desktop can be with Comprise the following steps.
101st, service end obtains the video playback capability of client.
In one embodiment, service end can receive the user agent of client transmission(User Agent, UA)Information, and The UA information that scanning client sends, the video playback capability of the client that the UA packets that acquisition client sends contain.Citing For, service end can receive the user agent that client sends in the initialization procedure that remote desktop is built with client (User Agent, UA)Information, and the UA information of client transmission is scanned, obtain the client that the UA packets of client transmission contain The video playback capability at end.
In another embodiment, the UA information of the spontaneous scanning client of service end, the UA packets for obtaining client contain The video playback capability of client.For example, service end can be in the initialization procedure that remote desktop is built with client The UA information of spontaneous scanning client, obtains the video playback capability of client that the UA packets of client contain.
Wherein, the video playback capability of client can be the coding and decoding video ability of client(Such as support Flash format Video file encoding and decoding), client browser version mark etc., the embodiment of the present invention is not construed as limiting.
Wherein, the UA information of client is generally comprised within the log-on message of client.
102nd, service end obtains the video playback capability of the browser of service end.
In one embodiment, service end with the UA information of the browser at scan service end, can obtain the browser of service end The video playback capability of the browser of service end that contains of UA packets.
Wherein, the video playback capability of the browser of service end can be the coding and decoding video ability of the browser of service end (Such as support the video file encoding and decoding of HTML5 forms), service end browser version mark etc., the embodiment of the present invention is not limited It is fixed.
Wherein, the UA information of the browser of service end is generally comprised within the log-on message of service end.
103rd, service end compares the video playback capability of the video playback capability of client and the browser of service end, if objective The video playback capability at family end less than service end browser video playback capability, using client video playback capability with Web page server is interacted, and acquisition meets the video file of the video playback capability of client.
For example, if the video playback capability of client is the video file encoding and decoding for supporting Flash format, and this The video playback capability of ground browser is the video file encoding and decoding for supporting HTML5 forms, then the video for illustrating client is broadcast Video playback capability of the exoergic power less than local browser.
In the embodiment of the present invention, if the video playback capability of client is less than the video playback capability of local browser, that Service end can send the connection request of the video playback capability for carrying client to web page server, so that web service Device returns the video web-pages of the video playback capability for meeting client, and then service end can parse the video web-pages, to obtain Video tab(Such as Flash video tabs), and send and carry the video file of the video tab and ask to web page server, from And receive the corresponding video file of the video tab that web page server is returned.
One embodiment, service end is sending the connection request of the video playback capability for carrying client to web service Before device, event can be opened by the video web-pages that client is triggered on the browser of server with receive user, and be rung Should video web-pages open event, then perform again to send and carry the video playback capability of client)Connection request to net The step of page server.
How it is using visitor that the embodiment of the present invention subsequently can also come service in detail end further combined with specific embodiment The video playback capability at family end is interacted with web page server, so as to obtain the video of the video playback capability for meeting client File, first do not describe in detail herein.
In one embodiment, if the video playback capability of client is not less than the video playback energy of the browser of service end Power, then service end can adopt service end video playback capability interact with web page server, acquisition video file it is concurrent Client is given, so that client is decoded to video file and played.
104th, the video file for meeting the video playback capability of client is sent to client by service end, so that client End is decoded to video file and is played.
Wherein, client is received after video file, first video file can be decoded and rendered, and is then carried out again Play.
It should be understood that the embodiment of the present invention is not limited the sequencing between above-mentioned steps 101 and step 102 It is fixed.
By the video transmission method for being applied to remote desktop described by Fig. 1, in the video playback energy of client In the case of video playback capability of the power less than the browser of service end, service end is without the video transmitted to web page server File is decoded and is then forwarded to after being rendered client terminal playing, but the video file that web page server is transmitted is directly transmitted Decoded to client and played, accounted for the occupancy of service end resource and to the network bandwidth such that it is able to effectively reduction With.
Fig. 2 is referred to, Fig. 2 is the video transmission method that another kind provided in an embodiment of the present invention is applied to remote desktop Flow chart.As shown in Fig. 2 the method is comprised the following steps:
201st, client obtains its video playback capability.
Wherein, client can scan the UA information of client, obtain the video playback energy that the UA packets of client contain Power.
In one embodiment, client can also pass through the CONFIG.SYS of scanning client or client resource text Part is obtaining the video playback capability of client.
202nd, client sends the video playback capability of client to service end.
203rd, service end obtains the video playback capability of the browser of service end.
Wherein, the UA information of the browser of the service end that service end can be preserved with scan service end, obtains the clear of service end Look at the video playback capability of device.
204th, service end compares the video playback capability of the video playback capability of client and the browser of service end.
If the 205, the video playback capability of client is less than the video playback capability of the browser of service end, service end modification The video playback capability information of the browser of the service end that service end is preserved, so that the video playback of the browser of service end preservation Ability information is updated to the video playback capability of client.
It will be understood by those skilled in the art that above-mentioned steps 205 can be optional step, i.e., service end is getting service After the video playback capability of end and client, service end can first carry out step before message is sent to web page server 204 comparison, directly carries out step 207 according to comparative result, without execution step 205, that is, carries out the video of service end The renewal of ability to play.
206th, service end receive user opens event by the video web-pages that client is triggered on the browser of service end.
Wherein, user can click on video link or input video network address by client on the browser of service end, Event is opened such that it is able to trigger video web-pages on the browser of service end.
207th, service end sends the connection request of the video playback capability for carrying client to web page server.
208th, service end receives the video web-pages that web page server returns the video playback capability for meeting client.
209th, service end parses the video web-pages, to obtain video tab(Such as Flash video tabs).
Wherein, when service end parses the video web-pages, the video page can also be rendered.
Wherein, service end parses the video web-pages and can obtain DOM Document Object Model(Document Object Model, DOM)Structure, and video tab is obtained from DOM structure.
210th, service end sends and carries the video tab(Such as Flash video tabs)Video file ask give webpage clothes Business device.
211st, service end receives the video tab that web page server is returned(Such as Flash video tabs)Corresponding video text Part.
212nd, service end sends video file to client.
213rd, client decoding and playing video file.
By the video transmission method for being applied to remote desktop described by Fig. 2, in the video playback energy of client In the case of video playback capability of the power less than the browser of service end, without the video that service end is transmitted to web page server File is decoded and is then forwarded to after being rendered client terminal playing, but the video file that web page server is transmitted is directly transmitted Decoded to client and played, accounted for the occupancy of service end resource and to the network bandwidth such that it is able to effectively reduction With.
Fig. 3 is referred to, Fig. 3 is a kind of knot of video transmission equipment for being applied to remote desktop provided in an embodiment of the present invention Composition.In the embodiment of the present invention, the video transmission equipment for being applied to remote desktop described by Fig. 3 can be in physics realization Service end.It should be understood that the video transmission equipment for being applied to remote desktop described by Fig. 3 can also in physics realization It is other-end equipment or main frame, if these terminal units or main frame can be interacted with web page server, and and client Between can build remote desktop, the embodiment of the present invention is not construed as limiting.
As shown in figure 3, the video transmission equipment for being applied to remote desktop environment can include acquiring unit 301, compare Unit 302, interactive unit 303 and transmitting element 304, wherein:
Acquiring unit 301, for obtaining the video playback energy of the video playback capability of client and the browser of service end Power, and export to comparing unit 302.
Wherein, the video playback capability of client can be the coding and decoding video ability of client(Such as support Flash format Video file encoding and decoding), client browser version mark etc., the embodiment of the present invention is not construed as limiting.
Wherein, the UA information of client is generally comprised within the log-on message of client.
Wherein, the video playback capability of the browser of service end can be the coding and decoding video ability of the browser of service end (Such as support the video file encoding and decoding of HTML5 forms), service end browser version mark etc., the embodiment of the present invention is not limited It is fixed.
Wherein, the UA information of the browser of service end is generally comprised within the log-on message of service end.
Whether comparing unit 302, the video playback capability for comparing client is less than the video of the browser of service end Ability to play, if it is, notifying interactive unit 303.
For example, if the video playback capability of client is to support the video file encoding and decoding of Flash format, and take The video playback capability of the browser at business end is the video file encoding and decoding for supporting HTML5 forms, then comparing unit 302 can be with The video playback capability of the video playback capability less than the browser of service end of client is compared, comparing unit 302 will compare As a result interactive unit 303 is notified.
Interactive unit 303, for responding the notice of comparing unit 302, using the video playback capability and webpage of client Server is interacted, and acquisition meets the video file of the video playback capability of client, and exports to transmitting element 304.
In the embodiment of the present invention, interactive unit 303 can send the connection of the video playback capability for carrying client please Ask to web page server, so that web page server returns the video web-pages of the video playback capability for meeting client, and then service End can parse the video web-pages, to obtain video tab(Such as Flash video tabs), and transmission carries the video tab Video file is asked to web page server, so as to receive the corresponding video file of the video tab of web page server return, and Export to transmitting element 304.
One embodiment, interactive unit 304 is sending the connection request of the video playback capability for carrying client to net Before page server, thing can be opened by the video web-pages that client is triggered on the browser of service end with receive user Part, and video web-pages unlatching event is responded, the connection that the video playback capability that transmission carries client is then performed again please The step of asking to web page server.
Transmitting element 304, the video file for the video playback capability by client is met is sent to client terminal playing, So that client is decoded and played to the video file.
See also Fig. 4, Fig. 4 is that another kind provided in an embodiment of the present invention is applied to the transmission of video of remote desktop and sets Standby structure chart.Wherein, the video transmission equipment for being applied to remote desktop shown in Fig. 4 be as shown in Figure 3 be applied to it is long-range The video transmission equipment of desktop is optimized what is obtained.In being applied in the video transmission equipment of remote desktop shown in Fig. 4, obtain Take unit 301 and scan subelement 3012 including receiving subelement 3011 and first, wherein:
Receiving subelement 3011, for receiving the UA information of client transmission, and exports to the first scanning subelement 3012;
First scanning subelement 3012, for scanning the UA information of client transmission, obtains the UA information that client sends Comprising client video playback capability, and export to comparing unit 302.
In the embodiment of the present invention, the first scanning subelement 3012 is additionally operable to the UA information of the browser at scan service end, obtains The video playback capability of the browser of the service end that the UA packets of the browser of service end contain is taken, and is exported to comparing unit 302。
In one embodiment, the video transmission equipment shown in Fig. 4 also includes injection unit 305;
Correspondingly, comparing unit 302 is additionally operable to comparing video playback capability the browsing less than service end of client During the video playback capability of device, injection unit 305 is notified;
Injection unit 305, for responding the notice of comparing unit 302, changes the browser of the service end that service end is preserved Video playback capability information so that service end preserve service end browser video playback capability information updating be client The video playback capability at end, and notify interactive unit 303;
In one embodiment, in the video transmission equipment shown in Fig. 4, interactive unit 303 includes sending subelement 3031, solution Analysis subelement 3032 and receiving subelement 3033, wherein:
Subelement 3031 is sent, for sending the connection request of the video playback capability for carrying client to web service Device, so that web page server returns the video web-pages of the video playback capability for meeting client, and triggering parsing subelement 3032;
Parsing subelement 3032, for parsing video web-pages acquisition video tab, and exporting transmission subelement 3033 is given;
Subelement 3031 is sent, is additionally operable to send the video file for carrying the video tab and is asked to web page server, And trigger receiving subelement 3033;
Receiving subelement 3033 is for receiving the corresponding video file of the video tab of web page server return and defeated Go out to transmitting element 304
In one embodiment, in the video transmission equipment shown in Fig. 4, receiving subelement 3033 is additionally operable to receive user and leads to The video web-pages unlatching event that client is triggered on the browser of service end is crossed, and notifies to send subelement 3031;
Correspondingly, send subelement 3031 to be additionally operable to respond video web-pages unlatching event, and perform transmission and carry visitor The step of connection request of the video playback capability at family end is to web page server.
By the video transmission equipment for being applied to remote desktop environment described by Fig. 3, Fig. 4, regarding in client In the case of video playback capability of the frequency ability to play less than the browser of service end, web page server is passed without service end Defeated video file is decoded and is then forwarded to after being rendered client terminal playing, but the video file that web page server is transmitted It is transmitted directly to client to be decoded and played, such that it is able to effectively reduce to the occupancy of service end resource and to Netowrk tape Wide occupancy.
In order to be better understood from the embodiment of the present invention video transmission method for being applied to remote desktop described above, under Face is further described the workflow of the video transmission equipment for being applied to remote desktop shown in Fig. 4, it is believed that by introducing Fig. 4 institutes That what is shown is applied to the workflow of the video transmission equipment of remote desktop, can cause described above to be applied to remote desktop The effect of video transmission method is more significantly.Fig. 5 is referred to, Fig. 5 is that the transmission of video for being applied to remote desktop shown in Fig. 4 sets Standby workflow schematic diagram.Wherein, the workflow for being applied to the video transmission equipment of remote desktop is comprised the following steps:
501st, client obtains its video playback capability.
Wherein, client can scan the UA information of client, obtain the video playback energy that the UA packets of client contain Power.
In one embodiment, client can also pass through the CONFIG.SYS of scanning client or client resource text Part is obtaining the video playback capability of client.
502nd, client sends the video playback capability of client to acquiring unit 301.
503rd, acquiring unit 301 exports the video playback capability of client to comparing unit 302.
504th, acquiring unit 301 obtains the video playback capability of the browser of service end.
Wherein, acquiring unit 301 with the UA information of the browser at scan service end, can obtain regarding for the browser of service end Frequency ability to play.
505th, the video playback capability of the browser of service end is transferred to comparing unit 302 by acquiring unit 301.
506th, comparing unit 302 compares the video playback energy of the video playback capability of client and the browser of service end Power.
507th, comparing unit 302 compares the video playback energy of the video playback capability less than the browser of service end of client After power, the video playback capability of client is transferred to into injection unit 305.
508th, the video playback capability information of the browser that the modification of injection unit 305 service end is preserved, so that service end The video playback capability information updating of browser is the video playback capability of client.
509th, the receive user of interactive unit 303 is opened by the video web-pages that client is triggered on the browser of service end Event.
Wherein, user can click on video link or input video network address by client on the browser of service end, Such that it is able to trigger video web-pages on the browser of service end event is opened to interactive unit 303.
510th, interactive unit 303 sends the connection request of the video playback capability for carrying client to web page server.
511st, interactive unit 303 receives the video web-pages that web page server returns the video playback capability for meeting client.
512nd, interactive unit 303 parses the video web-pages, to obtain video tab(Such as Flash video tabs).
Wherein, when interactive unit 303 parses the video web-pages, the video page can also be rendered.
Wherein, interactive unit 303 parses the video web-pages and can obtain DOM structure, and video mark is obtained from DOM structure Sign.
513rd, interactive unit 303 sends and carries the video tab(Such as Flash video tabs)Video file ask to Web page server.
In the embodiment of the present invention, interactive unit 303 can be built-in with video tab and process engine so that interactive unit 303 512~step 513 of above-mentioned steps can be performed.
514th, interactive unit 303 receives the video tab that web page server is returned(Such as Flash video tabs)It is corresponding Video file.
515th, interactive unit 303 exports video file to transmitting element 304
516th, the video file of transmitting element 305 is sent to client and is decoded and played.
By the workflow of the video transmission equipment for being applied to remote desktop described by Fig. 5, in client In the case of video playback capability of the video playback capability less than the browser of service end, without service end to web page server The video file of transmission is decoded and is then forwarded to after being rendered client terminal playing, but the video that web page server is transmitted is literary Part is transmitted directly to client and is decoded and played, such that it is able to effectively reduce to the occupancy of service end resource and to network The occupancy of bandwidth.
Fig. 6 is referred to, Fig. 6 is the video transmission equipment that another kind provided in an embodiment of the present invention is applied to remote desktop Structure chart.As shown in fig. 6, the video transmission equipment for being applied to remote desktop can include transmitter 601, receiver 602, deposit Reservoir 603 and the processor 604 being connected with transmitter 601, receiver 602 and memorizer 03 respectively;In one embodiment, place Reason device 604 can be connected by bus with transmitter 601, receiver 602 and memorizer 603.
Wherein, batch processing code is stored in memorizer 603, and processor 604 is used to call what is stored in memorizer 603 Program code, for performing following operation:
Processor 604 triggers receiver 602, so that receiver 602 obtains the video playback capability of client;
Processor 604 obtains the video playback capability of the browser of service end, and compares the video playback capability of client With the video playback capability of the browser of service end, if the video playback capability of client less than service end browser video Ability to play, then interacted using the video playback capability and web page server of client, and acquisition meets the video of client The video file of ability to play, and trigger transmitter 601;
The video file for meeting the video playback capability of client is sent to client and is decoded and broadcast by transmitter 601 Put.
In one embodiment, receiver 602 is used to receive user agent's information of client transmission, and scans client The user agent's information sent, the video playback capability of the client that user agent's packet that acquisition client sends contains.
In one embodiment, processor 604 obtains the mode of the video playback capability of the browser of service end and is specially:
User agent's information of the browser at the scan service end of processor 604, obtains user's generation of the browser of service end The video playback capability of the browser of the service end that reason packet contains.
In one embodiment, processor 604 also performs following operation:
If the video playback capability of client is repaiied less than the video playback capability of the browser of service end, processor 604 Change the video playback capability information of the browser of the service end of service end preservation, so that the browser of the service end of service end preservation Video playback capability information updating for client video playback capability.
In one embodiment, processor 604 is interacted using the video playback capability of client with web page server, is obtained The mode that the video file of the video playback capability of client must be met is specially:
The triggering transmitter 601 of processor 604 sends the connection request of the video playback capability for carrying client to webpage Server, so that web page server returns the video web-pages of the video playback capability for meeting client;
Processor 604 parses the video web-pages, obtains video tab;
The triggering transmission of transmitter 601 of processor 604 carries the video file of the video tab and asks to web page server;
The triggering receiver 602 of processor 604 receives the corresponding video file of the video tab that web page server is returned.
In one embodiment, processor 604 also triggers the receive user of receiver 602 by client browsing in service end The video web-pages triggered on device open event, and after receiver 602 receives video web-pages unlatching event, trigger transmitter The video that 601 customer in response ends send clicks on event, performs the connection request for sending the video playback capability for carrying client The step of to web page server.
In one embodiment, processor 604 also performs following operation:
If the video playback capability of client is not less than the video playback capability of the browser of service end, using service end Video playback capability interact with web page server, obtain video file, and trigger transmitter 601;
The video file is sent to client by transmitter 601 so that client to the video file carry out decoding and Play.
By the video transmission equipment for being applied to remote desktop described by Fig. 6, in the video playback energy of client In the case of video playback capability of the power less than the browser of service end, without the video that service end is transmitted to web page server File is decoded and is then forwarded to after being rendered client terminal playing, but the video file that web page server is transmitted is directly transmitted Decoded to client and played, accounted for the occupancy of service end resource and to the network bandwidth such that it is able to effectively reduction With.
In one embodiment, computer-readable storage medium is stored with computer program, when the calculating in computer-readable storage medium When machine program is read into computer, the Overall Steps that computer completes method shown in Fig. 1, Fig. 2 are enabled to.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can Completed with instructing the hardware of correlation by program, the program can be stored in a computer-readable recording medium, storage Medium can include:Flash disk, read only memory(Read-Only Memory, ROM), random access device(Random Access Memory, RAM), disk or CD etc..
Above to a kind of video transmission method and relevant device for being applied to remote desktop provided in an embodiment of the present invention, be System is described in detail, and specific case used herein is set forth to the principle and embodiment of the present invention, the above The explanation of embodiment is only intended to help and understands the method for the present invention and its core concept;Simultaneously for the general skill of this area Art personnel, according to the thought of the present invention, will change in specific embodiments and applications, in sum, this Description should not be construed as limiting the invention.

Claims (23)

1. a kind of video transmission method for being applied to remote desktop, it is characterised in that methods described includes:
Obtain the video playback capability of client;
Obtain the video playback capability of the browser of service end;
The video playback capability of the video playback capability of the comparison client and the browser of the service end;
If the video playback capability of the client is less than the video playback capability of the browser of the service end, using described The video playback capability of client is interacted with web page server, and acquisition meets regarding for the video playback capability of the client Frequency file;
The video file of the video playback capability for meeting the client is sent to into the client, so that the visitor Family end is decoded and is played to the video file.
2. video transmission method according to claim 1, it is characterised in that the video playback capability of the acquisition client Including:
Receive user agent's information that client sends;
User agent's information that the client sends is scanned, the institute that user agent's packet of the client transmission contains is obtained State the video playback capability of client.
3. video transmission method according to claim 2, it is characterised in that the video of the browser of the acquisition service end Ability to play includes:
User agent's information of the browser at scan service end, the user agent's packet for obtaining the browser of the service end contains Service end browser video playback capability.
4. video transmission method according to claim 1, it is characterised in that methods described also includes:
If the video playback capability of the client is less than the video playback capability of the browser of the service end, modification is described The video playback capability information of the browser of the service end that service end is preserved, so that the service that the service end is preserved The video playback capability information updating of the browser at end is the video playback capability of the client.
5. video transmission method according to claim 2, it is characterised in that methods described also includes:
If the video playback capability of the client is less than the video playback capability of the browser of the service end, modification is described The video playback capability information of the browser of the service end that service end is preserved, so that the service that the service end is preserved The video playback capability information updating of the browser at end is the video playback capability of the client.
6. video transmission method according to claim 3, it is characterised in that methods described also includes:
If the video playback capability of the client is less than the video playback capability of the browser of the service end, modification is described The video playback capability information of the browser of the service end that service end is preserved, so that the service that the service end is preserved The video playback capability information updating of the browser at end is the video playback capability of the client.
7. the video transmission method according to any one of claim 1~6, it is characterised in that described using the client Video playback capability interact with web page server, acquisition meet the client video playback capability video file Including:
Transmission carries the connection request of the video playback capability of the client to web page server, so that the web service Device returns the video web-pages of the video playback capability for meeting the client;
The video web-pages are parsed, video tab is obtained;
Transmission carries the video file of the video tab and asks to the web page server;
Receive the corresponding video file of the video tab that the web page server is returned.
8. video transmission method according to claim 7, it is characterised in that the transmission carries regarding for the client Before the connection request of frequency ability to play is to web page server, methods described also includes:
Receive user opens event by the video web-pages that the client is triggered on the browser of the service end;
Respond the video web-pages and open event, perform the company that described transmission carries the video playback capability of the client The step of request is connect to web page server.
9. the video transmission method according to any one of claim 1~6, it is characterised in that methods described also includes:
If the video playback capability of the client is not less than the video playback capability of the browser of the service end, using institute The video playback capability and web page server for stating service end is interacted, and obtains video file;
The video file is decoded;
The decoded video file is sent to into the client, so that the client is to the decoded video File is played out.
10. video transmission method according to claim 7, it is characterised in that methods described also includes:
If the video playback capability of the client is not less than the video playback capability of the browser of the service end, using institute The video playback capability and web page server for stating service end is interacted, and obtains video file;
The video file is decoded;
The decoded video file is sent to into the client, so that the client is to the decoded video File is played out.
11. video transmission methods according to claim 8, it is characterised in that methods described also includes:
If the video playback capability of the client is not less than the video playback capability of the browser of the service end, using institute The video playback capability and web page server for stating service end is interacted, and obtains video file;
The video file is decoded;
The decoded video file is sent to into the client, so that the client is to the decoded video File is played out.
12. a kind of video transmission equipments for being applied to remote desktop, it is characterised in that the equipment includes:
Acquiring unit is for obtaining the video playback capability of the video playback capability of client and the browser of service end and defeated Go out to comparing unit;
Whether the comparing unit, the video playback capability for comparing the client is less than the browser of the service end Video playback capability, if it is, notifying interactive unit;
The interactive unit, for responding the notice of the comparing unit, using the video playback capability and net of the client Page server is interacted, and acquisition meets the video file of the video playback capability of the client, and exports to transmitting element;
The transmitting element, for the video file of the video playback capability for meeting the client to be sent to into client End, so that the client is decoded and played to the video file.
13. video transmission equipments according to claim 12, it is characterised in that the acquiring unit includes:
Receiving subelement, for receiving user agent's information of client transmission, and exports to the first scanning subelement;
The first scanning subelement, for scanning user agent's information that the client sends, obtains the client and sends out The video playback capability of the client that the user agent's packet sent contains, and export to comparing unit.
14. video transmission equipments according to claim 13, it is characterised in that the first scanning subelement is additionally operable to sweep User agent's information of the browser of service end is retouched, the service that user agent's packet of the browser of the service end contains is obtained The video playback capability of the browser at end, and export to comparing unit.
15. video transmission equipments according to claim 12, it is characterised in that also including injection unit;
The comparing unit, is additionally operable to comparing the browser of the video playback capability less than the service end of the client Video playback capability when, notify the injection unit;
The injection unit, for responding the notice of the comparing unit, changes the service end that the service end is preserved The video playback capability information of browser, so that the video playback capability of the browser of the service end of service end preservation Information updating is the video playback capability of the client, and notifies interactive unit;
The interactive unit, is additionally operable to respond the notice of the injection unit, performs the video of the described employing client Ability to play is interacted with web page server, and acquisition meets the video file of the video playback capability of the client, and defeated The step of going out to transmitting element.
16. video transmission equipments according to claim 13, it is characterised in that also including injection unit;
The comparing unit, is additionally operable to comparing the browser of the video playback capability less than the service end of the client Video playback capability when, notify the injection unit;
The injection unit, for responding the notice of the comparing unit, changes the service end that the service end is preserved The video playback capability information of browser, so that the video playback capability of the browser of the service end of service end preservation Information updating is the video playback capability of the client, and notifies interactive unit;
The interactive unit, is additionally operable to respond the notice of the injection unit, performs the video of the described employing client Ability to play is interacted with web page server, and acquisition meets the video file of the video playback capability of the client, and defeated The step of going out to transmitting element.
17. video transmission equipments according to claim 14, it is characterised in that also including injection unit;
The comparing unit, is additionally operable to comparing the browser of the video playback capability less than the service end of the client Video playback capability when, notify the injection unit;
The injection unit, for responding the notice of the comparing unit, changes the service end that the service end is preserved The video playback capability information of browser, so that the video playback capability of the browser of the service end of service end preservation Information updating is the video playback capability of the client, and notifies interactive unit;
The interactive unit, is additionally operable to respond the notice of the injection unit, performs the video of the described employing client Ability to play is interacted with web page server, and acquisition meets the video file of the video playback capability of the client, and defeated The step of going out to transmitting element.
18. video transmission equipments according to any one of claim 12~17, it is characterised in that the interactive unit bag Include:
Subelement is sent, for sending the connection request of the video playback capability for carrying the client to web page server, So that the web page server returns the video web-pages of the video playback capability for meeting the client, and triggering parsing son list Unit;
The parsing subelement, for parsing the video web-pages, obtains video tab, and exports to the transmission subelement;
The transmission subelement, is additionally operable to send the video file for carrying the video tab and asks to the web service Device, and trigger receiving subelement;
The receiving subelement, for receiving the corresponding video file of the video tab that the web page server is returned, and Export to transmitting element.
19. video transmission equipments according to claim 18, it is characterised in that the receiving subelement is additionally operable to receive and uses Event is opened in family by the video web-pages that the client is triggered on the browser of the service end, and notifies transmission Unit;
The transmission subelement, is additionally operable to respond the video web-pages and opens event, and perform described transmission carry it is described The step of connection request of the video playback capability of client is to web page server.
20. video transmission equipments according to any one of claim 12~17, it is characterised in that
The comparing unit, is additionally operable to be not less than browsing for the service end in the video playback capability for comparing the client During the video playback capability of device, interactive unit is triggered;
The interactive unit, is additionally operable to respond the triggering of the comparing unit, using the service end video playback capability with Web page server is interacted, and obtains video file, and is exported to transmitting element;
The transmitting element, for the video file to be sent to into client, so that the client is to video text Part is decoded and played.
21. video transmission equipments according to claim 18, it is characterised in that
The comparing unit, is additionally operable to be not less than browsing for the service end in the video playback capability for comparing the client During the video playback capability of device, interactive unit is triggered;
The interactive unit, is additionally operable to respond the triggering of the comparing unit, using the service end video playback capability with Web page server is interacted, and obtains video file, and is exported to transmitting element;
The transmitting element, for the video file to be sent to into client, so that the client is to video text Part is decoded and played.
22. video transmission equipments according to claim 19, it is characterised in that
The comparing unit, is additionally operable to be not less than browsing for the service end in the video playback capability for comparing the client During the video playback capability of device, interactive unit is triggered;
The interactive unit, is additionally operable to respond the triggering of the comparing unit, using the service end video playback capability with Web page server is interacted, and obtains video file, and is exported to transmitting element;
The transmitting element, for the video file to be sent to into client, so that the client is to video text Part is decoded and played.
A kind of 23. video transmission equipments for being applied to remote desktop, it is characterised in that including transmitter, receiver, memorizer with And the processor being connected with the transmitter, the receiver and the memorizer respectively;
Wherein, batch processing code is stored in the memorizer, and the processor is used to call what is stored in the memorizer Program code, for performing the method as described in any one of claim 1-11.
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