CN113923396B - Remote desktop control method, device and medium based on video conference scene - Google Patents
Remote desktop control method, device and medium based on video conference scene Download PDFInfo
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- CN113923396B CN113923396B CN202110958970.2A CN202110958970A CN113923396B CN 113923396 B CN113923396 B CN 113923396B CN 202110958970 A CN202110958970 A CN 202110958970A CN 113923396 B CN113923396 B CN 113923396B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/451—Execution arrangements for user interfaces
- G06F9/452—Remote windowing, e.g. X-Window System, desktop virtualisation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1073—Registration or de-registration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/40—Support for services or applications
- H04L65/403—Arrangements for multi-party communication, e.g. for conferences
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/08—Protocols specially adapted for terminal emulation, e.g. Telnet
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/141—Setup of application sessions
Abstract
The application discloses a remote desktop control method based on a video conference scene, which comprises the following steps: when the first user side needs remote assistance, a request is sent to the second user side; when the second user terminal receives the request, the first user terminal and the second user terminal are connected and registered to the long connection service; the first user end captures a system desktop to obtain a video stream, acquires microphone audio information, packages the audio and video stream and sends the packaged audio and video stream to a streaming media server; the second user side receives the audio and video stream from the streaming media server and then displays the video picture on a first window; capturing mouse operation and keyboard operation of a system by a second user side, packaging an operation instruction and then sending the operation instruction to the long connection service; the first user side obtains an operation instruction from the long connection service and then converts the operation instruction into an operation on a local system. The embodiment of the application realizes the simultaneous transmission of the control instruction and the audio/video stream, thereby realizing remote assistance while carrying out the video conference.
Description
Technical Field
The application relates to the technical field of remote assistance, in particular to a remote desktop control method, device and medium based on a video conference scene.
Background
With the development of technology and the increase of social communication demands, the convergence demands of users on video services are increasing. The trend of video application is mainly reflected in that with the increasing number of internet broadband users, the demands of users for video communication are also growing. Video conferencing has become an effective communication tool for collaborative offices by transmitting sound and image data in real time.
In the prior art, when a video conference is performed, if a problem occurs in an operating system of one party, the local cannot solve the problem that remote assistance is needed, the video conference is usually required to be exited, and a remote assistance tool is adopted for performing the video conference. The remote assistance tool generally sends the system desktop of the controlled terminal to the assistance terminal in a screenshot mode, audio cannot be transmitted at the same time, and when two parties need to communicate, communication needs to be carried out in other modes.
Disclosure of Invention
The application aims to solve the technical problem of providing a remote desktop control method, a remote desktop control device and a remote desktop control medium based on a video conference scene, which realize simultaneous transmission of control instructions and audio and video streams, thereby realizing remote assistance while carrying out the video conference.
In a first aspect, the present application provides a remote desktop control method based on a video conference scene, including:
when the first user side needs remote assistance, a request is sent to the second user side; when the second user terminal receives the request, the first user terminal and the second user terminal are connected and registered to the long connection service;
when a first user end captures a system desktop to obtain a video stream and acquires microphone audio information, packaging the audio and video stream and then sending the packaged audio and video stream to a streaming media server; the second user side receives the audio and video stream from the streaming media server and then displays the video picture on a first window;
when the second user side captures the mouse operation and the keyboard operation of the first user side, packaging an operation instruction and then sending the operation instruction to the long connection service; the first user side obtains an operation instruction from the long connection service and then converts the operation instruction into an operation on a local system.
Further, the mouse operation and the keyboard operation of the second user capturing system are specifically: and the second user side realizes that a second window is covered on the first window audio/video stream window, the second window is a transparent window, and when the second window is a top-mounted window, the system mouse operation and the keyboard operation are captured.
Further, capturing a system desktop by calling a system API to obtain a video stream; converting the operation instruction into the operation on the local system is realized by calling a system API.
Further, the system comprises a Window system, a Linux system, an Android system and an IOS system.
In a second aspect, the present application provides a remote desktop control device based on a video conference scene, including: the system comprises a long connection service registration module, a streaming media interaction module and a remote control module;
the long connection service registration module is used for sending a request to the second user side when the first user side needs remote assistance; when the second user terminal receives the request, the first user terminal and the second user terminal are connected and registered to the long connection service;
the streaming media interaction module is used for packaging the audio and video stream and sending the packaged audio and video stream to the streaming media server when the first user side captures the system desktop to obtain the video stream and obtains the microphone audio information; the second user side receives the audio and video stream from the streaming media server and then displays the video picture on a first window;
the remote control module is used for packaging an operation instruction and then sending the operation instruction to the long connection service when the second user side captures the mouse operation and the keyboard operation of the first user side; the first user side obtains an operation instruction from the long connection service and then converts the operation instruction into an operation on a local system.
Further, in the remote control module, the second user terminal captures a mouse operation and a keyboard operation of the first user terminal, specifically: and the second user side realizes that a second window is covered on the first window audio/video stream window, the second window is a transparent window, and when the second window is a top-mounted window, the system mouse operation and the keyboard operation are captured.
Further, in the streaming media interaction module, capturing a system desktop by calling a system API to obtain a video stream; in the remote control module, the operation instruction is converted into the operation on the local system by calling the system API.
Further, the system comprises a Window system, a Linux system, an Android system and an IOS system.
In a third aspect, the present application provides a computer readable storage medium having stored thereon a computer program which when executed by a processor implements the method of the first aspect.
The technical scheme provided by the embodiment of the application has the following technical effects:
1. the two user ends are simultaneously registered to the long connection service and connected to the streaming media server, and the simultaneous transmission of the control instruction and the audio and video stream is realized by adopting the mode of audio and video stream and long connection pushing, so that the remote assistance is realized while the video conference is carried out;
2. the mouse and keyboard instructions are captured in a client side mode, so that the mouse and keyboard operations of a desktop are effectively covered, the multi-key operations are supported, the purpose of complete control is achieved, and the purpose of complete control is achieved;
3. when the transparent window is set on top, the mouse operation and keyboard operation of the system are captured, so that the operation of the controlled end can be controlled to the other system or the local system according to the requirement without influencing the display.
The foregoing description is only an overview of the present application, and is intended to be implemented in accordance with the teachings of the present application in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present application more readily apparent.
Drawings
The application will be further described with reference to examples of embodiments with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a frame of a system of the present application;
FIG. 2 is a flow chart of a method according to a first embodiment of the application;
FIG. 3 is a schematic diagram of a device according to a second embodiment of the present application;
fig. 4 is a schematic structural diagram of a medium in a third embodiment of the present application.
Detailed Description
The application aims to solve the technical problem of providing a remote desktop control method, a remote desktop control device and a remote desktop control medium based on a video conference scene, which realize simultaneous transmission of control instructions and audio and video streams, thereby realizing remote assistance while carrying out the video conference.
The technical scheme in the embodiment of the application has the following overall thought:
under the operating system environment, audio information of a user desktop and a microphone is sent to a streaming media server, audio and video signals are broadcast to a control end by streaming media, the control end acquires far-end pictures and audio, signals of a mouse and a keyboard are synchronized to the far-end desktop and are executed by the far-end desktop, the purpose of controlling the desktop and the operation is achieved, and therefore the problem of remote assistance in a video conference call scene is solved.
Before describing the specific embodiment, a system framework corresponding to the method of the embodiment of the present application is described first, and referring to fig. 1, the system is roughly divided into four parts: the system comprises a video client, a streaming media server, a long connection push server and a control client;
(1) Video client: the system has two functions, one is to acquire desktop images and microphone audio information, the other is to connect with a long connection service (Websocket protocol), receive mouse and keyboard instructions transmitted by a client of a control end and transmit the mouse and keyboard instructions to an operating system;
(3) Streaming media server: receiving a radio video stream, and providing an audio video stream for a subscriber to acquire;
(4) Long connection push server: the message real-time transmission is realized through a Websocket protocol, and the transmission of package instructions of keyboard and mouse operations of remote operations is mainly realized;
(5) Control end client: and receiving the picture and audio information of the remote desktop from the streaming media server, capturing mouse and keyboard operation instructions, and sending the mouse and keyboard operation instructions to the long-connection push server.
Example 1
The embodiment provides a remote desktop control method based on a video conference scene, as shown in fig. 2, including:
when the first user side needs remote assistance, a request is sent to the second user side; when the second user terminal receives the request, the first user terminal and the second user terminal are connected and registered to the long connection service;
when a first user end captures a system desktop to obtain a video stream and acquires microphone audio information, packaging the audio and video stream and then sending the packaged audio and video stream to a streaming media server; the second user side receives the audio and video stream from the streaming media server and then displays the video picture on a first window;
when the second user side captures the mouse operation and the keyboard operation of the first user side, packaging an operation instruction and then sending the operation instruction to the long connection service; the first user side obtains an operation instruction from the long connection service and then converts the operation instruction into an operation on a local system.
The two user ends are simultaneously registered to the long connection service and connected to the streaming media server, and the simultaneous transmission of the control instruction and the audio/video stream is realized in the mode of audio/video stream and long connection pushing, so that the remote assistance is realized while the video conference is carried out, the mouse and keyboard instructions are captured in the client end mode, the mouse and keyboard operation of a desktop is effectively covered, the multi-key operation is supported, the purpose of supporting the multi-key operation in the complete control is achieved, and the purpose of the complete control is achieved.
Preferably, the second user terminal captures the mouse operation and the keyboard operation of the system, specifically: and the second user side realizes that a second window is covered on the first window audio/video stream window, the second window is a transparent window, and when the second window is a top-mounted window, the system mouse operation and the keyboard operation are captured.
When the transparent window is set on top, the mouse operation and keyboard operation of the system are captured, so that the operation of the controlled end can be controlled to the other system or the local system according to the requirement without influencing the display.
Preferably, capturing a system desktop by calling a system API to obtain a video stream; converting the operation instruction into the operation on the local system is realized by calling a system API.
The system comprises a Window system, a Linux system, an Android system and an IOS system.
Referring to fig. 1, in a specific embodiment, both clients are windows operating systems (in other operating systems, the same steps may be implemented, but specific APIs are different according to the system), which are implemented as follows:
step 1, a user A requests a user B to perform remote assistance, and the user B agrees to accept;
step 2, initializing a video client (user A side) and a control client (user B side), and respectively connecting and registering a session to a long connection service through a Websocket protocol;
step 3, the video client (user A side) intercepts the user desktop and acquires the audio information of the microphone by calling the Windows system API, and sends AAC audio data and AVCH264 video data to the streaming media server by RTMP protocol packaging;
step 4, the streaming media server receives the audio and video stream of the video client (user A side);
step 5, the control end client obtains the desktop audio and video stream of the user A from the streaming media server and displays the picture on the window;
step 6, the control end client (user B side) realizes that a transparent window is covered on the audio and video stream window, when the window is set on top, the mouse operation and the keyboard operation of the Windows system are captured, and the operations are packaged according to a protocol and sent to the long connection server;
step 7, pushing the operation instruction sent by the user B to a video client (user A side) by the long connection server;
and 8, the video client (user A side) converts the received mouse and keyboard instructions into operations on the Windows desktop locally through a Windows API (sendInput, mouseEvent).
By utilizing the steps, the remote desktop is controlled while the video conference is carried out in a mode of audio/video + long connection push, and the scene problem of remote assistance in the video conference communication process is solved. Because the RTMP mode transmission is used, the real-time performance of the transmitted picture is high, and the real-time pushing of the Websocket is added, so that the user experience of remote operation is improved.
Based on the same inventive concept, the application also provides a device corresponding to the method in the first embodiment, and the details of the second embodiment are shown.
Example two
In this embodiment, a remote desktop control device based on a video conference scene is provided, as shown in fig. 3, including: the system comprises a long connection service registration module, a streaming media interaction module and a remote control module;
the long connection service registration module is used for sending a request to the second user side when the first user side needs remote assistance; when the second user terminal receives the request, the first user terminal and the second user terminal are connected and registered to the long connection service;
the streaming media interaction module is used for packaging the audio and video stream and sending the packaged audio and video stream to the streaming media server when the first user side captures the system desktop to obtain the video stream and obtains the microphone audio information; the second user side receives the audio and video stream from the streaming media server and then displays the video picture on a first window;
the remote control module is used for packaging an operation instruction and then sending the operation instruction to the long connection service when the second user side captures the mouse operation and the keyboard operation of the first user side; the first user side obtains an operation instruction from the long connection service and then converts the operation instruction into an operation on a local system.
Preferably, in the remote control module, the second user terminal captures a mouse operation and a keyboard operation of the first user terminal, and specifically: and the second user side realizes that a second window is covered on the first window audio/video stream window, the second window is a transparent window, and when the second window is a top-mounted window, the system mouse operation and the keyboard operation are captured.
Specifically, in the streaming media interaction module, a system desktop is captured by calling a system API to obtain a video stream; in the remote control module, the operation instruction is converted into the operation on the local system by calling the system API.
Specifically, the system comprises a Window system, a Linux system, an Android system and an IOS system.
Since the device described in the second embodiment of the present application is a device for implementing the method described in the first embodiment of the present application, based on the method described in the first embodiment of the present application, a person skilled in the art can understand the specific structure and the deformation of the device, and thus the detailed description thereof is omitted herein. All devices used in the method according to the first embodiment of the present application are within the scope of the present application.
Based on the same inventive concept, the application provides a storage medium corresponding to the first embodiment, and the detail is seen in the third embodiment.
Example III
The present embodiment provides a computer readable storage medium, as shown in fig. 4, on which a computer program is stored, which when executed by a processor, can implement any implementation of the first embodiment.
Since the computer readable storage medium described in this embodiment is a computer readable storage medium used to implement the method in the first embodiment of the present application, those skilled in the art can understand the implementation of the computer readable storage medium and various modifications thereof based on the method described in the first embodiment of the present application, so that the present application is described herein
How the computer-readable storage medium may implement the methods in embodiments of the present application will not be described in detail. As long as the computer-readable storage medium employed by one skilled in the art to implement the methods of embodiments of the present application is within the intended scope of the present application.
The technical scheme provided by the embodiment of the application has at least the following technical effects or advantages: according to the embodiment of the application, the two user ends are simultaneously registered to the long connection service and connected to the streaming media server, and the simultaneous transmission of the control instruction and the audio and video stream is realized in a mode of audio and video stream and long connection pushing, so that the remote assistance is realized while the video conference is carried out; the mouse and keyboard instructions are captured in a client side mode, so that the mouse and keyboard operations of a desktop are effectively covered, the multi-key operations are supported, the purpose of complete control is achieved, and the purpose of complete control is achieved; when the transparent window is set on top, the mouse operation and keyboard operation of the system are captured, so that the operation of the controlled end can be controlled to the other system or the local system according to the requirement without influencing the display.
It will be apparent to those skilled in the art that embodiments of the present application may be provided as a method, apparatus, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While specific embodiments of the application have been described above, it will be appreciated by those skilled in the art that the specific embodiments described are illustrative only and not intended to limit the scope of the application, and that equivalent modifications and variations of the application in light of the spirit of the application will be covered by the claims of the present application.
Claims (7)
1. The remote desktop control method based on the video conference scene is characterized by comprising the following steps of:
when the first user side needs remote assistance, a request is sent to the second user side; when the second user terminal receives the request, the first user terminal and the second user terminal are connected and registered to the long connection service;
when a first user end captures a system desktop to obtain a video stream and acquires microphone audio information, packaging the audio and video stream and then sending the packaged audio and video stream to a streaming media server; the second user side receives the audio and video stream from the streaming media server and then displays the video picture on a first window;
when the second user side captures the mouse operation and the keyboard operation of the first user side, packaging an operation instruction and then sending the operation instruction to the long connection service; the first user end obtains an operation instruction from the long connection service and then converts the operation instruction into operation on a local system;
the second user side captures mouse operation and keyboard operation of the first user side, and specifically comprises the following steps: and the second user side realizes that a second window is covered on the first window audio/video stream window, the second window is a transparent window, and when the second window is a top-mounted window, the mouse operation and the keyboard operation of the system are captured.
2. The method according to claim 1, characterized in that: capturing a system desktop by calling a system API to obtain a video stream; converting the operation instruction into the operation on the local system is realized by calling a system API.
3. The method according to claim 2, characterized in that: the system comprises a Window system, a Linux system, an Android system and an IOS system.
4. A remote desktop control device based on a video conference scene, comprising: the system comprises a long connection service registration module, a streaming media interaction module and a remote control module;
the long connection service registration module is used for sending a request to the second user side when the first user side needs remote assistance; when the second user terminal receives the request, the first user terminal and the second user terminal are connected and registered to the long connection service;
the streaming media interaction module is used for packaging the audio and video stream and sending the packaged audio and video stream to the streaming media server when the first user side captures the system desktop to obtain the video stream and obtains the microphone audio information; the second user side receives the audio and video stream from the streaming media server and then displays the video picture on a first window;
the remote control module is used for packaging an operation instruction and then sending the operation instruction to the long connection service when the second user side captures the mouse operation and the keyboard operation of the first user side; the first user end obtains an operation instruction from the long connection service and then converts the operation instruction into operation on a local system;
the second user side captures mouse operation and keyboard operation of the first user side, and specifically comprises the following steps: and the second user side realizes that a second window is covered on the first window audio/video stream window, the second window is a transparent window, and when the second window is a top-mounted window, the system mouse operation and the keyboard operation are captured.
5. The apparatus according to claim 4, wherein: in the streaming media interaction module, capturing a system desktop by calling a system API to obtain a video stream; in the remote control module, the operation instruction is converted into the operation on the local system by calling the system API.
6. The apparatus according to claim 5, wherein: the system comprises a Window system, a Linux system, an Android system and an IOS system.
7. A computer readable storage medium, on which a computer program is stored, characterized in that the program, when being executed by a processor, implements the method according to any one of claims 1 to 3.
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