WO2014146248A1

WO2014146248A1 - Video transmission method, device, and system applied to remote desktop

Info

Publication number: WO2014146248A1
Application number: PCT/CN2013/072871
Authority: WO
Inventors: 梁治平
Original assignee: 华为技术有限公司
Priority date: 2013-03-19
Filing date: 2013-03-19
Publication date: 2014-09-25
Also published as: CN104247364B; CN104247364A

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

Video transmission method, device and system applied to remote desktop

The present invention relates to the field of Internet technologies, and in particular, to a video transmission method, device, and system for remote desktop. Background technique

In the remote desktop, when the client user accesses the video page of the web server through the browser of the server and clicks on the video file to be played, if the client only supports the video file playback in the flash format, the browser of the service end supports the super Text file language 5 (Hypertext Markup Language 5, HTML5) format video file playback, which means that the client's video playback capability is lower than the browser's browser video playback capability, then the web server will preferentially transmit the HTML5 format video file to The server (wherein, the web server usually supports both the HTML5 format and the Flash format for the same video file;), the video file of the HTML5 format is decoded and rendered by the server, and then sent to the client for playing.

However, in practice, it is found that the server decodes and renders the HTML5 format video file not only occupies more server resources, but also the HTML5 format video file is decoded and rendered and sent to the client, which also occupies high network bandwidth. . Summary of the invention

The technical problem to be solved by the embodiments of the present invention is to provide a video transmission method, device, and system for a remote desktop, which can reduce occupation of server resources and occupation of network bandwidth.

A first aspect of the embodiments of the present invention provides a video transmission method applied to a remote desktop, where the method includes:

Get the video playback capability of the client;

Get the video playback capability of the browser of the server;

Comparing the video playing capability of the client and the video playing capability of the browser of the server; if the video playing capability of the client is lower than the video playing capability of the browser of the server, And using the video playing capability of the client to interact with the web server to obtain a video file that conforms to the video playing capability of the client;

Transmitting the video file conforming to the video playing capability of the client to the client, so that the client decodes and plays the video file.

In the first possible implementation manner of the first aspect of the embodiment, the acquiring a video playing capability of the client includes:

Receiving user agent information sent by the client;

Scanning the user agent information sent by the client, and acquiring the video playing capability of the client included in the user agent information sent by the client.

With reference to the first possible implementation manner of the first aspect of the embodiments of the present invention, in a second possible implementation manner of the first aspect of the embodiment, the video playback capability of the browser of the server is:

Scanning the user agent information of the browser of the server to obtain the video playing capability of the browser of the server included in the user agent information of the browser of the server.

In a third possible implementation manner of the first aspect of the embodiment of the present invention, in combination with the first aspect of the first embodiment of the present invention or the first to the second possible implementation manner of the first aspect of the embodiment The method further includes:

If the video playing capability of the client is lower than the video playing capability of the browser of the server, modify the video playing capability information of the browser of the server saved by the server, so that the server saves the server The video playback capability information of the browser of the server is updated to the video playback capability of the client.

In conjunction with the first aspect of the first embodiment of the present invention or the first to third possible implementation manners of the first aspect of the present invention, in a fourth possible implementation manner of the first aspect of the embodiment of the present invention, The video playing capability of the client is used to interact with a web server to obtain a video file that meets the video playing capability of the client, including:

Sending a connection request carrying the video playing capability of the client to the web server, so that the web server returns a video webpage that conforms to the video playing capability of the client;

Parsing the video webpage to obtain a video tag;

Sending a video file carrying the video tag to the web server; Receiving a video file corresponding to the video tag returned by the web server.

With reference to the fourth possible implementation manner of the first aspect of the embodiments of the present invention, in a fifth possible implementation manner of the first aspect of the embodiments, the sending, by the sending, the connection request that carries the video playing capability of the client Before the web server is provided, the method further includes:

Receiving a video webpage open event triggered by the user on the browser of the server by the client;

And in response to the video webpage open event, performing the step of transmitting a connection request carrying the video playback capability of the client to the webpage server.

In conjunction with the first aspect of the first embodiment of the present invention or the first to fifth possible implementation manners of the first aspect of the present invention, in a sixth possible implementation manner of the first aspect of the embodiment of the present invention, The method further includes:

If the video playing capability of the client is not lower than the video playing capability of the browser of the server, the video playing capability of the server is used to interact with the web server to obtain a video file; and the video file is sent to the a client, such that the client decodes and plays the video file.

A second aspect of the embodiments of the present invention provides a computer storage medium storing a computer program capable of causing the computer to complete, for example, when the computer program in the computer storage medium is read to a computer All the steps of the video transmission method applied to the remote desktop provided by the first aspect of the embodiments of the present invention.

A third aspect of the embodiments of the present invention provides a video transmission device applied to a remote desktop, where the device includes:

The obtaining unit is configured to acquire the video playing capability of the client and the video playing capability of the browser of the server, and output the same to the comparing unit;

The comparing unit is configured to compare whether the video playing capability of the client is lower than the video playing capability of the browser of the server, and if yes, notify the interaction unit;

The interaction unit is configured to respond to the notification of the comparison unit, and use the video playback capability of the client to interact with a webpage server to obtain a video file that conforms to the video playback capability of the client, and output the video file to the sending unit;

The sending unit is configured to send the video file that meets the video playing capability of the client The client is sent to the client to decode and play the video file. In a first possible implementation manner of the third aspect of the embodiment, the acquiring unit includes:

a receiving subunit, configured to receive user agent information sent by the client, and output the information to the first scanning subunit;

The first scanning sub-unit is configured to scan the user agent information sent by the client, obtain the video playing capability of the client included in the user agent information sent by the client, and output the video playing capability to the comparison unit.

With reference to the first possible implementation manner of the third aspect of the embodiments of the present invention, in a second possible implementation manner of the third aspect of the embodiments, the first scanning subunit is further configured to scan a browser of the server. The user agent information acquires the video playing capability of the browser of the server included in the user agent information of the browser of the server, and outputs the video playing capability to the comparing unit.

In a third possible implementation manner of the third aspect of the embodiment of the present invention, in combination with the third aspect of the embodiment of the present invention or the first to the second possible implementation manner of the first aspect of the embodiment of the present invention The video transmission device further includes an injection unit;

The comparing unit is further configured to notify the injection unit when comparing a video playing capability of the client that is lower than a video playing capability of the browser of the server;

The injecting unit is configured to modify, according to the notification of the comparing unit, the video playing capability information of the browser of the server saved by the server, so that the server of the server of the server saved by the server is saved. The playback capability information is updated to the video playback capability of the client, and the interaction unit is notified;

The interaction unit is further configured to: in response to the notification of the injection unit, perform the video playing capability of the client to interact with a webpage server, obtain a video file that conforms to the video playing capability of the client, and output the video file to the The step of sending the unit.

In a fourth possible implementation manner of the third aspect of the embodiment of the present invention, in combination with the third aspect of the embodiment of the present invention or the first to the third possible implementation manner of the third aspect of the embodiment of the present invention The interaction unit includes: a sending subunit, configured to send a connection request carrying the video playing capability of the client to the webpage server, so that the webpage server returns a video webpage that conforms to the video playing capability of the client, and triggers the parsing subunit;

The parsing subunit is configured to parse the video webpage, obtain a video tag, and output the video tag to the sending subunit;

The sending subunit is further configured to send a video file request carrying the video tag to the webpage server, and trigger a receiving subunit;

The receiving subunit is configured to receive a video file corresponding to the video tag returned by the webpage server, and output the video file to a sending unit.

With reference to the fourth possible implementation manner of the third aspect of the embodiments of the present invention, in a fifth possible implementation manner of the third aspect of the embodiments, the receiving subunit is further configured to receive a user by using the client a video webpage open event triggered on the browser of the server, and notifying the sending subunit;

The sending subunit is further configured to respond to the video webpage opening event, and perform the step of sending a connection request carrying the video playing capability of the client to the webpage server.

In a sixth possible implementation manner of the third aspect of the embodiment of the present invention, in combination with the third aspect of the embodiment of the present invention or the first to the fifth possible implementation manners of the third aspect of the embodiment of the present invention The comparing unit is further configured to: when comparing, the video playing capability of the client is not lower than the video playing capability of the browser of the server, triggering the interaction unit;

The interaction unit is further configured to: in response to the triggering of the comparing unit, use the video playing capability of the server to interact with the web server to obtain a video file, and output the video file to the sending unit;

The sending unit is configured to send the video file to a client, so that the client decodes and plays the video file.

A fourth aspect of the embodiments of the present invention provides a video transmission device applied to a remote desktop, including a transmitter, a receiver, a memory, and a processor respectively connected to the transmitter, the receiver, and the memory;

Wherein the memory stores a set of program codes, and the processor is configured to invoke the storage Program code stored in the device to perform the following operations:

The processor triggers the receiver to enable the receiver to acquire video playback capabilities of a client;

The processor acquires the video playing capability of the browser of the server, and compares the video playing capability of the client with the video playing capability of the browser of the server, if the video playing capability of the client is lower than that of the server. The video playing capability of the device is performed by interacting with the web server by using the video playing capability of the client, obtaining a video file conforming to the video playing capability of the client, and triggering the transmitter;

The transmitter sends the video file conforming to the video playing capability of the client to the client for playing.

In a first possible implementation manner of the fourth aspect of the embodiments, the receiver is configured to receive user agent information sent by a client, and scan user agent information sent by the client, to obtain the client. The transmitted user agent information includes the video playback capability of the client.

With reference to the first possible implementation manner of the fourth aspect of the embodiments of the present invention, in a second possible implementation manner of the fourth aspect of the embodiments of the present disclosure, the manner in which the processor obtains the video playing capability of the browser of the server is Specifically:

The processor scans the user agent information of the browser of the server to obtain the video playing capability of the browser of the server included in the user agent information of the browser of the server.

In a third possible implementation manner of the third aspect of the embodiment of the present invention, in combination with the fourth aspect of the embodiment of the present invention or the first to the second possible implementation manner of the fourth aspect of the embodiment of the present invention The processor also performs the following operations:

If the video playback capability of the client is lower than the video playback capability of the browser of the server, the processor modifies the video playback capability information of the browser of the server saved by the server to enable the service The video playback capability information of the browser of the server saved at the end is updated to the video playback capability of the client.

With reference to the fourth aspect of the embodiments of the present invention or any one of the first to third possible implementation manners of the fourth aspect of the embodiments of the present invention, the fourth possible implementation manner of the fourth aspect of the embodiments of the present invention The method in which the processor uses the video playing capability of the client to interact with a web server to obtain a video file that conforms to the video playing capability of the client is specifically:

The processor triggers the transmitter to send a connection request carrying the video playing capability of the client to the web server, so that the web server returns a video webpage that conforms to the video playing capability of the client;

The processor parses the video webpage to obtain a video tag;

The processor triggers the transmitter to send a video file request carrying the video tag to the web server;

The processor triggers the receiver to receive a video file corresponding to the video tag returned by the web server.

With reference to the fourth possible implementation manner of the fourth aspect of the embodiments of the present invention, in a fifth possible implementation manner of the fourth aspect of the embodiments, the processor further triggers the receiver to receive the user by using the a video webpage open event triggered by the client on the browser of the server, and after the receiver receives the video webpage open event, triggering the transmitter to respond to the video click event sent by the client, and executing And the step of sending a connection request carrying the video playing capability of the client to the web server.

With reference to the fourth aspect of the embodiments of the present invention or any one of the first to the fifth possible implementation manners of the fourth aspect of the embodiments of the present invention, in a sixth possible implementation manner of the fourth aspect of the embodiments of the present invention, The processor also performs the following operations:

If the video playing capability of the client is not lower than the video playing capability of the browser of the server, the video playing capability of the server is used to interact with the web server to obtain a video file, and the transmitter is triggered;

The transmitter transmits the video file to the client to cause the client to decode and play the video file.

In the embodiment of the present invention, if the video playing capability of the client is lower than the video playing capability of the local browser, the video playing capability of the client may be used to interact with the web server to obtain a video file that conforms to the video playing capability of the client and sent to the client. The terminal performs decoding and playback. By implementing this In the embodiment of the present invention, even if the video playing capability of the client is lower than the video playing capability of the browser of the server, the server does not need to decode and render the video file transmitted by the web server, and then sends the video file to the client for playback. The video file transmitted by the web server is directly sent to the client for decoding and playing, thereby effectively reducing the occupation of the server resources and the occupation of the network bandwidth. DRAWINGS

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained according to these drawings without any creative work;

1 is a flow chart of a video transmission method applied to a remote desktop according to an embodiment of the present invention;

2 is a flow chart of another video transmission method applied to a remote desktop according to an embodiment of the present invention;

3 is a structural diagram of a video transmission device applied to a remote desktop according to an embodiment of the present invention;

4 is a structural diagram of another video transmission device applied to a remote desktop according to an embodiment of the present invention;

5 is a schematic diagram of a workflow of a video transmission device applied to a remote desktop shown in FIG. 4. FIG. 6 is a structural diagram of another video transmission device applied to a remote desktop according to an embodiment of the present invention. detailed description

BRIEF DESCRIPTION OF THE DRAWINGS The technical solutions in the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without the creative work are all within the scope of the present invention.

The embodiment of the invention provides a video transmission method, device and system applied to a remote desktop. It can reduce the occupation of server resources and the occupation of network bandwidth. The details are described below separately.

Referring to FIG. 1, FIG. 1 is a flowchart of a video transmission method applied to a remote desktop according to an embodiment of the present invention. In the embodiment of the present invention, the video transmission method applied to the remote desktop described in FIG. 1 is executed by the server. It should be understood that the video transmission method applied to the remote desktop described in FIG. 1 can also be performed by other terminal devices or hosts as long as the terminal devices or hosts can interact with the web server and can establish a remote connection with the client. The desktop is optional, and the embodiment of the present invention is not limited. As shown in FIG. 1, the video transmission method applied to the remote desktop may include the following steps.

101. The server obtains the video playing capability of the client.

In an embodiment, the server may receive the user agent (UA) information sent by the client, and scan the UA information sent by the client to obtain the video playing capability of the client included in the UA information sent by the client. For example, the server may receive the User Agent (UA) information sent by the client during the initialization process of the client and the remote desktop, and scan the UA information sent by the client to obtain the UA information sent by the client. The client's video playback capabilities.

In another embodiment, the server spontaneously scans the UA information of the client to obtain the video playback capability of the client included in the UA information of the client. For example, the server can spontaneously scan the UA information of the client during the initialization process of building the remote desktop with the client, and obtain the video playback capability of the client included in the UA information of the client.

The video playback capability of the client may be a video coding and decoding capability of the client (such as a video file codec that supports the Flash format), a browser version identifier of the client, and the like, which are not limited in the embodiment of the present invention.

The UA information of the client is usually included in the registration information of the client.

102. The server obtains a video playing capability of the browser of the server.

In one embodiment, the server can scan the UA information of the browser of the server to obtain the video playing capability of the browser of the server included in the UA information of the browser of the server.

The video playback capability of the browser of the server may be a video codec capability of the browser of the server (such as a video file codec supporting the HTML5 format), a browser version identifier of the server, and the like, which are not limited in the embodiment of the present invention.

The UA information of the browser of the server is usually included in the registration information of the server. 103. The server compares the video playing capability of the client and the video playing capability of the browser of the server. If the video playing capability of the client is lower than the video playing capability of the browser of the server, the video playing capability of the client is used to interact with the web server to obtain A video file that matches the video playback capabilities of the client.

For example, if the video playback capability of the client is a video file encoding and decoding format supported by the Flash format, and the video playback capability of the local browser is a video file encoding and supporting the HTML5 format, the video playback capability of the client is lower than that of the local browser. Video playback capabilities.

In the embodiment of the present invention, if the video playing capability of the client is lower than the video playing capability of the local browser, the server may send a connection request carrying the video playing capability of the client to the web server, so that the web server returns the video conforming to the client. The video webpage of the playback capability, and the server can parse the video webpage to obtain a video label (such as a Flash video tag), and send a video file request carrying the video tag to the webpage server, thereby receiving the video tag returned by the webpage server. Corresponding video file.

In an embodiment, before sending the connection request carrying the video playing capability of the client to the web server, the server may also receive a video webpage opening event triggered by the user on the browser of the server, and respond to the video webpage opening event. And then performing the step of sending a connection request carrying the video playback capability of the client to the web server.

The embodiment of the present invention further describes in detail how the server interacts with the web server by using the video playing capability of the client to obtain a video file that conforms to the video playing capability of the client, and will not be described in detail herein. .

In an embodiment, if the video playing capability of the client is not lower than the video playing capability of the browser of the server, the server may use the video playing capability of the server to interact with the web server to obtain a video file and send the video file to the client, so that The client decodes and plays the video file.

104. The server sends a video file that conforms to the video playing capability of the client to the client, so that the client decodes and plays the video file.

After receiving the video file, the client may first decode and render the video file, and then play the video file.

It should be understood that the sequence between the foregoing step 101 and step 102 is not limited in the embodiment of the present invention.

The video transmission method applied to the remote desktop described in FIG. 1 shows that the video on the client side When the playback capability is lower than the video playback capability of the browser of the server, the server does not need to decode and render the video file transmitted by the web server and then send it to the client for playback, but directly sends the video file transmitted by the web server. The client is decoded and played, so that the occupation of the server resources and the occupation of the network bandwidth can be effectively reduced. Referring to FIG. 2, FIG. 2 is a flowchart of another video transmission method applied to a remote desktop according to an embodiment of the present invention. As shown in FIG. 2, the method includes the following steps:

201. The client obtains its video playing capability.

The client can scan the UA information of the client to obtain the video playback capability of the UA information of the client.

In one embodiment, the client can also obtain the video playback capability of the client by scanning the client's system configuration file or the client resource file.

202. The client sends the video playback capability of the client to the server.

203. The server obtains a video playing capability of the browser of the server.

The server can scan the UA information of the browser of the server saved by the server to obtain the video playing capability of the browser of the server.

204. The server compares the video playing capability of the client and the video playing capability of the browser of the server.

205. If the video playback capability of the client is lower than the video playback capability of the browser of the server, the server modifies the video playback capability information of the browser of the server saved by the server, so that the video playback capability information of the browser saved by the server is updated. The ability to play video for the client.

A person skilled in the art may understand that the foregoing step 205 may be an optional step, that is, after the server obtains the video playing capability of the server and the client, the server may perform the comparison of step 204 before sending the message to the web server. Step 207 is performed directly according to the comparison result, and step 205 is not needed, that is, the update of the video playing capability of the server is performed.

206. The server receives a video webpage start event triggered by the user on the browser of the server by the client.

The user can click on the video link or input the video URL on the browser of the server through the client, so that the video webpage open event can be triggered on the browser of the server. 207. The server sends a connection request carrying the video playing capability of the client to the web server.

208. The server receives the webpage server and returns a video webpage that matches the video playing capability of the client.

209. The server parses the video webpage to obtain a video label (such as a Flash video label). Wherein, when the monthly service end parses the video web page, the video page can also be rendered.

Wherein, the server parses the video webpage to obtain a document object model (Document Object)

Model, DOM) structure, and get video tags from the DOM structure.

210. The server sends a video file request carrying the video tag (such as a Flash video tag) to the web server.

211. The server receives the video file corresponding to the video label (such as a Flash video label) returned by the web server.

212. The server sends a video file to the client.

213. The client decodes and plays the video file.

According to the video transmission method applied to the remote desktop described in FIG. 2, in the case that the video playback capability of the client is lower than the video playback capability of the browser of the server, the server does not need to decode the video file transmitted by the web server. After being rendered, it is sent to the client for playback. Instead, the video file transmitted by the web server is directly sent to the client for decoding and playing, thereby effectively reducing the occupation of the server resources and the occupation of the network bandwidth.

Referring to FIG. 3, FIG. 3 is a structural diagram of a video transmission device applied to a remote desktop according to an embodiment of the present invention. In the embodiment of the present invention, the video transmission device applied to the remote desktop described in FIG. 3 may be a server in physical implementation. It should be understood that the video transmission device applied to the remote desktop described in FIG. 3 may also be other terminal devices or hosts in physical implementation, as long as the terminal devices or hosts can interact with the web server and can communicate with the client. The remote desktop can be constructed, which is not limited in the embodiment of the present invention.

As shown in FIG. 3, the video transmission device applied to the remote desktop environment may include an obtaining unit 301, a comparing unit 302, an interaction unit 303, and a sending unit 304, where:

The obtaining unit 301 is configured to acquire the video playing capability of the client and the video playing capability of the browser of the server, and output the result to the comparing unit 302.

The video playback capability of the client may be a video codec capability of the client (such as a video file codec that supports the Flash format), a browser version identifier of the client, and the like. Limited.

The UA information of the browser of the server is usually included in the registration information of the server.

The comparing unit 302 is configured to compare whether the video playing capability of the client is lower than the video playing capability of the browser of the server, and if yes, notify the interaction unit 303.

For example, if the video playback capability of the client is a video file encoding and decoding format supported by the Flash format, and the video playback capability of the browser of the server is a video file encoding and supporting the HTML5 format, the comparison unit 302 can compare the video playback of the client. The capability is lower than the video playback capability of the browser of the server, and the comparison unit 302 notifies the interaction unit 303 of the comparison result.

The interaction unit 303 is configured to respond to the notification of the comparing unit 302, and use the video playing capability of the client to interact with the web server to obtain a video file conforming to the video playing capability of the client, and output the video file to the sending unit 304.

In the embodiment of the present invention, the interaction unit 303 may send a connection request carrying the video playing capability of the client to the webpage server, so that the webpage server returns a video webpage that conforms to the video playing capability of the client, and then the monthly server can parse the video webpage. Obtaining a video tag (such as a Flash video tag), and sending a video file carrying the video tag to the web server, thereby receiving the video file corresponding to the video tag returned by the web server, and outputting the video file to the sending unit 304.

In an embodiment, before sending the connection request carrying the video playing capability of the client to the web server, the interaction unit 304 may also receive a video webpage open event triggered by the user on the browser of the server by the client, and open in response to the video webpage. The event, and then the step of sending a connection request carrying the video playback capability of the client to the web server.

The sending unit 304 is configured to send a video file that conforms to the video playing capability of the client to the client for playing, so that the client decodes and plays the video file. Referring to FIG. 4, FIG. 4 is a structural diagram of another video transmission device applied to a remote desktop according to an embodiment of the present invention. The video transmission device applied to the remote desktop shown in FIG. 4 is optimized by the video transmission device applied to the remote desktop shown in FIG. 3. The response shown in Figure 4 In the video transmission device for the remote desktop, the obtaining unit 301 includes a receiving subunit 3011 and a first scanning subunit 3012, where:

The receiving subunit 3011 is configured to receive the UA information sent by the client, and output the information to the first scanning subunit 3012;

The first scanning sub-unit 3012 is configured to scan the UA information sent by the client, obtain the video playing capability of the client included in the UA information sent by the client, and output the video playing capability to the comparing unit 302.

In the embodiment of the present invention, the first scanning sub-unit 3012 is further configured to scan the UA information of the browser of the server, and obtain the video playing capability of the browser of the server included in the UA information of the browser of the server, and output the video to the comparing unit 302.

In one embodiment, the video transmission device shown in FIG. 4 further includes an injection unit 305;

Correspondingly, the comparing unit 302 is further configured to notify the injection unit 305 when comparing the video playing capability of the client that is lower than the video playing capability of the browser of the server;

The injecting unit 305 is configured to: in response to the notification of the comparing unit 302, modify the video playing capability information of the browser of the server saved by the server, so that the video playing capability information of the browser of the server saved by the server is updated to the video playing capability of the client. And notifying the interaction unit 303;

In one embodiment, in the video transmission device shown in FIG. 4, the interaction unit 303 includes a transmission subunit 3031, a parsing subunit 3032, and a receiving subunit 3033, where:

The sending subunit 3031 is configured to send a connection request carrying the video playing capability of the client to the webpage server, so that the webpage server returns a video webpage that conforms to the video playing capability of the client, and the trigger parsing subunit 3032;

The parsing subunit 3032 is configured to parse the video webpage to obtain a video tag, and output the video tag to the sending subunit 3033;

The sending subunit 3031 is further configured to send a video file carrying the video tag to the web server, and trigger the receiving subunit 3033;

The receiving subunit 3033 is configured to receive a video file corresponding to the video label returned by the web server, and output the video file to the sending unit 304.

In one embodiment, in the video transmission device shown in FIG. 4, the receiving subunit 3033 is further configured to receive a video webpage open event triggered by the user on the browser of the server by the client, and notify the sending subunit 3031;

Correspondingly, the sending subunit 3031 is further configured to respond to the video webpage open event and perform sending The step of carrying a connection request with the video playback capability of the client to the web server.

The video transmission device applied to the remote desktop environment described in FIG. 3 and FIG. 4 knows that, when the video playback capability of the client is lower than the video playback capability of the browser of the server, the video transmitted by the server to the web server is not needed. After the file is decoded and rendered, it is sent to the client for playback. Instead, the video file transmitted by the web server is directly sent to the client for decoding and playing, thereby effectively reducing the occupation of the server resources and the occupation of the network bandwidth.

For a better understanding of the video transmission method applied to the remote desktop described in the foregoing embodiments of the present invention, the workflow of the video transmission device applied to the remote desktop shown in FIG. 4 is further described below. The workflow of a video transmission device applied to a remote desktop will make the effect of the video transmission method described above applied to the remote desktop more significant. Please refer to FIG. 5, which is a schematic diagram of the workflow of the video transmission device applied to the remote desktop shown in FIG. The workflow of the video transmission device applied to the remote desktop includes the following steps:

501. The client obtains its video playing capability.

502. The client sends the video playing capability of the client to the acquiring unit 301.

503. The obtaining unit 301 outputs the video playing capability of the client to the comparing unit 302.

504. The obtaining unit 301 acquires a video playing capability of the browser of the server.

The obtaining unit 301 can scan the UA information of the browser of the server to obtain the video playing capability of the browser of the server.

505. The acquiring unit 301 transmits the video playing capability of the browser of the server to the comparing unit.

302.

506. The comparing unit 302 compares the video playing capability of the client with the video playing capability of the browser of the server.

507. After comparing the video playback capability of the client to the video playback capability of the browser of the server, the comparison unit 302 transmits the video playback capability of the client to the injection unit 305.

508. The injection unit 305 modifies the video playback capability information of the browser saved by the server, so that The video playback capability information of the browser of the server is updated to the video playback capability of the client.

509. The interaction unit 303 receives a video webpage open event triggered by the user on the browser of the server by the client.

The user can click on the video link or input the video URL on the browser of the server through the client, so that the video webpage open event can be triggered to the interaction unit 303 on the browser of the server.

510. The interaction unit 303 sends a connection request carrying the video playing capability of the client to the web server.

511. The interaction unit 303 receives, by the web server, a video webpage that matches the video playback capability of the client.

512. The interaction unit 303 parses the video webpage to obtain a video tag (such as a Flash video tag).

Wherein, when the interaction unit 303 parses the video webpage, the videopage may also be rendered. The interaction unit 303 parses the video webpage to obtain a DOM structure, and obtains a video label from the DOM structure.

513. The interaction unit 303 sends a video file request carrying the video tag (such as a Flash video tag) to the web server.

In the embodiment of the present invention, the interaction unit 303 may have a video tag processing engine built in, so that the interaction unit 303 can perform the foregoing steps 512 to 513.

514. The interaction unit 303 receives the video file corresponding to the video label (such as a Flash video label) returned by the web server.

515. The interaction unit 303 outputs the video file to the sending unit 304.

516. The sending unit 305 sends the video file to the client for decoding and playing.

The workflow of the video transmission device applied to the remote desktop described in FIG. 5 shows that, in the case that the video playback capability of the client is lower than the video playback capability of the browser of the server, the video file transmitted by the server to the web server is not required. After being decoded and rendered, it is sent to the client for playback. Instead, the video file transmitted by the web server is directly sent to the client for decoding and playing, thereby effectively reducing the occupation of the server resources and the occupation of the network bandwidth.

Referring to FIG. 6, FIG. 6 is a structural diagram of another video transmission device applied to a remote desktop according to an embodiment of the present invention. As shown in FIG. 6, the video transmission device applied to the remote desktop may include The camera 601, the receiver 602, the memory 603, and the processor 604 connected to the transmitter 601, the receiver 602, and the memory 03, respectively; in one embodiment, the processor 604 can communicate with the transmitter 601, the receiver 602, and the bus. The memory 603 is connected.

The memory 603 stores a set of program codes, and the processor 604 is configured to call the program code stored in the memory 603 to perform the following operations:

The processor 604 triggers the receiver 602 to cause the receiver 602 to acquire the video playing capability of the client;

The processor 604 acquires the video playing capability of the browser of the server, and compares the video playing capability of the client with the video playing capability of the browser of the server. If the video playing capability of the client is lower than the video playing capability of the browser of the server, the client is used. The video playing capability of the terminal interacts with the web server to obtain a video file that conforms to the video playing capability of the client, and triggers the transmitter 601;

The transmitter 601 sends a video file conforming to the video playback capability of the client to the client for decoding and playback.

In one embodiment, the receiver 602 is configured to receive the user agent information sent by the client, and scan the user agent information sent by the client to obtain the video playing capability of the client included in the user agent information sent by the client.

In one embodiment, the manner in which the processor 604 obtains the video playback capability of the browser of the server is:

The processor 604 scans the user agent information of the browser of the server to obtain the video playing capability of the browser of the server included in the user agent information of the browser of the server.

In one embodiment, processor 604 also performs the following operations:

If the video playing capability of the client is lower than the video playing capability of the browser of the server, the processor 604 modifies the video playing capability information of the browser of the server saved by the server, so that the video playing capability of the browser of the server saved by the server is enabled. The information is updated to the client's video playback capabilities.

In one embodiment, the processor 604 uses the video playback capability of the client to interact with the web server to obtain a video file that conforms to the video playback capability of the client.

The processor 604 triggers the transmitter 601 to send a connection request carrying the video playing capability of the client to the web server, so that the web server returns a video webpage that conforms to the video playing capability of the client; the processor 604 parses the video webpage to obtain a video label;

The processor 604 triggers the transmitter 601 to send a video file request carrying the video tag to the webpage. Server

The processor 604 triggers the receiver 602 to receive the video file corresponding to the video tag returned by the web server.

In one embodiment, the processor 604 also triggers the receiver 602 to receive a video webpage open event triggered by the user on the browser of the server by the client, and triggers the transmitter 601 to respond to the client after the receiver 602 receives the video webpage open event. The video click event sent by the terminal performs the step of sending a connection request carrying the video playing capability of the client to the web server.

In one embodiment, processor 604 also performs the following operations:

If the video playback capability of the client is not lower than the video playback capability of the browser of the server, the video playback capability of the server is used to interact with the web server to obtain a video file, and the transmitter 601 is triggered;

Transmitter 601 sends the video file to the client to cause the client to decode and play the video file.

The video transmission device applied to the remote desktop described in FIG. 6 knows that, in the case that the video playback capability of the client is lower than the video playback capability of the browser of the server, the server does not need to decode the video file transmitted by the web server. After being rendered, it is sent to the client for playback. Instead, the video file transmitted by the web server is directly sent to the client for decoding and playing, thereby effectively reducing the occupation of the server resources and the occupation of the network bandwidth.

In one embodiment, the computer storage medium stores a computer program capable of causing the computer to perform all of the steps of the method illustrated in Figures 1 and 2 when the computer program in the computer storage medium is read to the computer.

A person skilled in the art may understand that all or part of the various steps of the foregoing embodiments may be completed by a program instructing related hardware. The program may be stored in a computer readable storage medium, and the storage medium may include: Flash disk, read-only memory (ROM), random access memory (RAM), disk or optical disk.

The video transmission method and related to the remote desktop provided by the embodiment of the present invention The description of the above embodiments is only for helping to understand the method of the present invention and its core ideas; at the same time, for those skilled in the art, according to the idea of the present invention, it will be in the specific embodiment and application range. In the above, the contents of the specification are not to be construed as limiting the invention.

Claims

Rights request

1. A video transmission method applied to remote desktop, characterized in that the method includes: obtaining the video playback capability of the client;

Obtain the video playback capabilities of the server-side browser;

Compare the video playback capability of the client and the video playback capability of the server's browser; if the video playback capability of the client is lower than the video playback capability of the server's browser, use the video playback capability of the client Interact with the web server to obtain video files that meet the video playback capabilities of the client;

The video file that meets the video playback capability of the client is sent to the client, so that the client decodes and plays the video file.

2. The video transmission method according to claim 1, wherein the obtaining the video playback capability of the client includes:

Receive user agent information sent by the client;

Scan the user agent information sent by the client to obtain the video playback capability of the client contained in the user agent information sent by the client.

3. The video transmission method according to claim 2, wherein said obtaining the video playback capability of the server's browser includes:

Scan the user agent information of the server's browser to obtain the video playback capability of the server's browser contained in the user agent information of the server's browser.

4. The video transmission method according to claim 1, 2 or 3, characterized in that the method further includes:

If the video playback capability of the client is lower than the video playback capability of the server's browser, modify the video playback capability information of the server's browser saved by the server so that all the video playback capabilities of the server's browser are saved. The video playback capability information of the server's browser is updated to the video playback capability of the client.

5. The video transmission method according to any one of claims 1 to 4, characterized in that, the video playback capability of the client is used to interact with the web server to obtain a video file that conforms to the video playback capability of the client. include:

Send a connection request carrying the video playback capability of the client to the web server so that all The web server returns a video web page that meets the video playback capability of the client;

Parse the video web page and obtain the video tag;

Send a video file request carrying the video tag to the web server;

Receive the video file corresponding to the video tag returned by the web server.

6. The video transmission method according to claim 5, characterized in that, before sending the connection request carrying the video playback capability of the client to the web server, the method further includes: receiving the user's request through the client. A video webpage opening event triggered on the server's browser;

In response to the video webpage opening event, the step of sending a connection request carrying the video playback capability of the client to the webpage server is performed.

7. The video transmission method according to any one of claims 1 to 6, characterized in that the method further includes:

If the video playback capability of the client is not lower than the video playback capability of the server's browser, use the video playback capability of the server to interact with the web server to obtain the video file; decode the video file;

The decoded video file is sent to the client, so that the client plays the decoded video file.

8. A computer storage medium, characterized by:

The computer storage medium stores a computer program. When the computer program in the computer storage medium is read into a computer, it can cause the computer to complete the steps described in any one of claims 1 to 7.

9. A video transmission device applied to remote desktop, characterized in that the device includes: an acquisition unit, used to acquire the video playback capability of the client and the video playback capability of the browser of the server, and output them to the comparison unit;

The comparison unit is used to compare whether the video playback capability of the client is lower than the video playback capability of the browser of the server, and if so, notify the interaction unit;

The interactive unit is configured to respond to the notification of the comparison unit, use the video playback capability of the client to interact with the web server, obtain a video file that meets the video playback capability of the client, and output it to the sending unit;

The sending unit is configured to send the video file that meets the video playback capability of the client. Send it to the client, so that the client can decode and play the video file.

10. The video transmission device according to claim 9, characterized in that the acquisition unit includes:

The receiving subunit is used to receive the user agent information sent by the client and output it to the first scanning subunit;

The first scanning subunit is used to scan the user agent information sent by the client, obtain the video playback capability of the client contained in the user agent information sent by the client, and output it to the comparison unit.

11. The video transmission device according to claim 10, characterized in that, the first scanning subunit is also used to scan the user agent information of the browser of the server, and obtain the user agent information contained in the browser of the server. The video playback capability of the server-side browser is output to the comparison unit.

12. The video transmission device according to claim 9, 10 or 11, further comprising an injection unit;

The comparison unit is also configured to notify the injection unit when the video playback capability of the client is lower than the video playback capability of the browser of the server;

The injection unit is configured to respond to the notification of the comparison unit and modify the video playback capability information of the browser of the server saved by the server, so that the video playback capability information of the browser of the server saved by the server The playback capability information is updated to the video playback capability of the client, and the interactive unit is notified;

The interaction unit is also configured to respond to the notification of the injection unit, perform the interaction with the web server using the video playback capability of the client, obtain a video file that conforms to the video playback capability of the client, and output it to Steps for sending units.

13. The video transmission device according to any one of claims 9 to 12, characterized in that the interactive unit includes:

The sending subunit is used to send a connection request carrying the video playback capability of the client to the web server, so that the web server returns a video web page that conforms to the video playback capability of the client, and triggers the parsing subunit;

The parsing subunit is used to parse the video web page, obtain the video tag, and output it to the sending subunit;

The sending subunit is also used to send a video file request carrying the video tag to the Web server, and trigger the receiving subunit;

The receiving subunit is used to receive the video file corresponding to the video tag returned by the web server, and output it to the sending unit.

14. The video transmission device according to claim 13, characterized in that, the receiving subunit is also used to receive a video web page opening event triggered by the user on the browser of the server through the client, and notify the user The above sending subunit;

The sending subunit is also used to respond to the video webpage opening event and perform the step of sending a connection request carrying the video playback capability of the client to the webpage server.

15. The video transmission device according to any one of claims 9 to 14, characterized in that the comparison unit is also used to compare and determine that the video playback capability of the client is not lower than that of the browser of the server. When the video playback capability is enabled, the interactive unit is triggered;

The interactive unit is also used to respond to the trigger of the comparison unit, use the video playback capability of the server to interact with the web server, obtain the video file, and output it to the sending unit;

The sending unit is used to send the video file to the client, so that the client decodes and plays the video file.

16. A video transmission device for remote desktop, characterized in that it includes a transmitter, a receiver, a memory, and a processor connected to the transmitter, the receiver, and the memory respectively; wherein, A set of program codes is stored in the memory, and the processor is used to call the program codes stored in the memory to execute the method according to any one of claims 1-7.