CN106817607B - Audio and video multicast playing method, device and system based on virtual desktop - Google Patents

Audio and video multicast playing method, device and system based on virtual desktop Download PDF

Info

Publication number
CN106817607B
CN106817607B CN201510875186.XA CN201510875186A CN106817607B CN 106817607 B CN106817607 B CN 106817607B CN 201510875186 A CN201510875186 A CN 201510875186A CN 106817607 B CN106817607 B CN 106817607B
Authority
CN
China
Prior art keywords
multicast
virtual machine
component
audio
playing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201510875186.XA
Other languages
Chinese (zh)
Other versions
CN106817607A (en
Inventor
吴馨
崔振峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing ZTE New Software Co Ltd
Original Assignee
Nanjing ZTE New Software Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing ZTE New Software Co Ltd filed Critical Nanjing ZTE New Software Co Ltd
Priority to CN201510875186.XA priority Critical patent/CN106817607B/en
Priority to PCT/CN2016/105203 priority patent/WO2017092554A1/en
Publication of CN106817607A publication Critical patent/CN106817607A/en
Application granted granted Critical
Publication of CN106817607B publication Critical patent/CN106817607B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/64—Addressing
    • H04N21/6402—Address allocation for clients
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/4104—Peripherals receiving signals from specially adapted client devices
    • H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/43615—Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/64—Addressing
    • H04N21/6405—Multicasting

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

The invention discloses an audio and video multicast playing method based on a virtual desktop, which comprises the following steps: when a first multicast component of a first virtual machine is started, multicast address information is generated, and a second virtual machine list of a second multicast component which is started in multicast is obtained; broadcasting the multicast address information to a preset second virtual machine group according to the second virtual machine list; sending the multicast address information received by a second multicast component of the predetermined second virtual machine to a first terminal through a desktop agent so that the first terminal joins a multicast group according to the multicast address information; and multicasting audio and video data to the first terminal through a first playing component of the first virtual machine so that the first terminal plays corresponding audio and video contents after receiving the audio and video data. The invention also discloses an audio and video multicast playing device and system based on the virtual desktop. The invention solves the problem that the terminal plays audio and video.

Description

Audio and video multicast playing method, device and system based on virtual desktop
Technical Field
The invention relates to the technical field of communication, in particular to an audio and video multicast playing method, device and system based on a virtual desktop.
Background
A virtual desktop is a service that runs an operating system in a server or a virtual machine of the server and sends desktop data on the server or the virtual machine to a remote client over a network. The virtual desktop system component can be logically divided into a service end system component and a client end system component, the client end system component requests to establish connection with a remote desktop server end based on a spice protocol for Independent Computing environment protocol, and the remote desktop server end system component responds to the connection request from the virtual desktop client end and establishes connection of desktop experience service with the virtual desktop client end.
In the spice protocol, a vdi (virtual Desktop infrastructure) architecture is mainly used to establish a data transfer channel between a client and a virtual machine, and display configuration control data, clipboard data, disk mapping control data, and the like are transferred through the data transfer channel.
Most of the existing education systems use pole field teaching software for online teaching, namely, the pole field teaching software is respectively installed in virtual machines of a teacher end and a student end, when audio and video are required to be played to students, audio and video stream information is multicast to the virtual machine of the student end in the virtual machine of the teacher end, then the audio and video stream information is played in the virtual machine of the student end, and the audio and video stream information is transmitted to a thin terminal of the student side in an in-band video mode to be watched by the students.
The audio and video multicast playing mode based on the virtual desktop consumes a large amount of network bandwidth and a CPU of a server side, so that the situation that a student side terminal plays videos and is blocked or even cannot be used normally occurs frequently.
Disclosure of Invention
The invention provides an audio and video multicast playing method, device and system based on a virtual desktop, and aims to solve the problem that when a polar domain teaching software based on the virtual desktop is adopted, the playing of audio and video by a terminal is unsmooth due to overlarge network bandwidth and CPU consumption of a server.
In order to achieve the above object, the present invention provides an audio/video multicast playing method based on a virtual desktop, wherein the audio/video multicast playing method based on the virtual desktop includes:
when a first multicast component of a first virtual machine is started, multicast address information is generated, and a second virtual machine list of a second multicast component which is started in multicast is obtained;
broadcasting the multicast address information to a preset second virtual machine group according to the second virtual machine list;
sending the multicast address information received by a second multicast component of the predetermined second virtual machine to a first terminal through a desktop agent so that the first terminal joins a multicast group according to the multicast address information;
and multicasting audio and video data to the first terminal through a first playing component of the first virtual machine so that the first terminal plays corresponding audio and video contents after receiving the audio and video data.
Preferably, the acquiring a list of second virtual machines in a multicast, for which a second multicast component has been started, includes:
sending a multicast message to a second multicast component of a second virtual machine in the multicast;
after a second virtual machine which has started the second multicast component receives the multicast message, returning a response message to the first multicast component, wherein the response message comprises registration information of the second virtual machine;
and after the first multicast component receives the response message, acquiring the second virtual machine list according to the registration information of the second virtual machine.
Preferably, the multicasting the audio and video data to the first terminal through the first playing component of the first virtual machine includes:
when a first playing component of the first virtual machine is started to play audio and video, multicast address information is requested from the first playing component;
when the first playing component is started, controlling the first playing component to return the multicast address information to the first playing component;
and controlling the first playing component to multicast audio and video data to the first terminal according to the multicast address information so that the first terminal plays corresponding audio and video contents after receiving the audio and video data.
In order to achieve the above object, the present invention further provides an audio/video multicast playing device based on a virtual desktop, where the audio/video multicast playing device based on a virtual desktop includes:
the data acquisition module is used for starting a first multicast component of a first virtual machine, generating multicast address information and acquiring a second virtual machine list of a second multicast component started in multicast;
the first multicast module is used for multicasting the multicast address information to a preset second virtual machine group according to the second virtual machine list;
the desktop agent module is used for sending the multicast address information received by the second multicast component of the preset second virtual machine to the first terminal through the desktop agent so that the first terminal can join a multicast group according to the multicast address information;
and the second multicast module is used for multicasting the audio and video data to the first terminal through a first playing component of the first virtual machine so that the first terminal plays corresponding audio and video contents after receiving the audio and video data.
Preferably, the data acquisition module includes:
the first multicast unit is used for sending multicast messages to a second multicast component of a second virtual machine in multicast;
a first response unit, configured to return a response message to the first multicast component after a second virtual machine that has started the second multicast component receives the multicast message, where the response message includes registration information of the second virtual machine;
and the list acquisition unit is used for acquiring the second virtual machine list according to the registration information of the second virtual machine after the first multicast component receives the response message.
Preferably, the second multicast module includes:
the starting unit is used for starting a first playing component of the first virtual machine to play audio and video;
a request unit configured to request multicast address information from the first multicast component;
a second response unit, configured to control the first playing component to return the multicast address information to the first playing component when the first playing component is started;
and the second multicast unit is used for controlling the first playing component to multicast the audio and video data to the first terminal according to the multicast address information so that the first terminal plays corresponding audio and video contents after receiving the audio and video data.
In addition, in order to achieve the above object, the present invention further provides an audio/video multicast playing system based on a virtual desktop, including a virtual desktop server, a first terminal, and a second terminal, where the virtual desktop server includes any one of the above audio/video multicast playing devices based on a virtual desktop; the virtual desktop server is composed of a first server and a second server, the second terminal is connected with a first virtual machine on the first server, the first terminal is connected with a second virtual machine on the second server, wherein,
the second terminal is used for controlling the broadcast video data of the first virtual machine set;
the first server is used for starting a first multicast component of a first virtual machine, generating multicast address information, acquiring a second virtual machine list of a second multicast component started in multicast, broadcasting the multicast address information to a preset second virtual machine set according to the second virtual machine list, and multicasting audio and video data to the first terminal through a first playing component of the first virtual machine;
the second server is used for receiving the multicast address information sent by the first server and sending the multicast address information received by the second multicast component of the predetermined second virtual machine to the first terminal through a desktop agent;
the first terminal is used for adding a multicast group according to the multicast address information sent by the second server and playing corresponding audio and video contents after receiving audio and video data multicast by the first playing component in the first server.
Preferably, the first server is further configured to:
sending a multicast message to a second multicast component of a second virtual machine in the second server in multicast;
the second server is further configured to:
after a second virtual machine which has started the second multicast component receives the multicast message, returning a response message to the first multicast component, wherein the response message comprises registration information of the second virtual machine;
the first server is further configured to:
and after the first multicast component receives the response message, acquiring the second virtual machine list according to the registration information of the second virtual machine.
Preferably, the first server is further configured to:
starting a first playing component of the first virtual machine to play audio and video, and requesting multicast address information from the first playing component; when the first playing component is started, controlling the first playing component to return the multicast address information to the first playing component; and controlling the first playing component to multicast audio and video data to the first terminal according to the multicast address information so that the first terminal plays corresponding audio and video contents after receiving the audio and video data.
Preferably, the first terminal is further configured to:
and when receiving the audio and video data multicast by the first playing component of the first server, the second playing component decodes the audio and video data and plays corresponding audio and video contents.
The invention provides an audio and video multicast playing method, a device and a system based on a virtual desktop, which adopt a first multicast component and a second multicast component to respectively replace an extremely regional teacher end and an extremely regional student end in the existing extremely regional teaching software implementation method, are used for transmitting multicast address information of a first virtual machine to a second virtual machine so as to enable the predetermined second virtual machine to join a corresponding multicast group, and are used for directly forwarding audio and video data multicast by the first virtual machine to a first terminal corresponding to the second virtual machine through media such as a physical switch, a router and the like, compared with the existing extremely regional teaching software implementation method, a large amount of communication bandwidth for forwarding the data to the respective corresponding student terminal (i.e. the first terminal) by each student end virtual machine after the audio and video data are multicast by the teacher end virtual machine (i.e. the first virtual machine) to the student end virtual machine (i.e. the second virtual machine) is saved, and the CPU consumption occupied by playing the audio and video on the student end virtual machine, and the problem of terminal audio and video playing stagnation caused by overlarge network bandwidth and CPU consumption of the server end is solved.
Drawings
Fig. 1 is a schematic flow chart of a first embodiment of an audio/video multicast playing method based on a virtual desktop according to the present invention;
fig. 2 is a schematic diagram of a detailed flow of acquiring a second virtual machine list in a second embodiment of the virtual desktop-based audio/video multicast playing method according to the present invention;
fig. 3 is a schematic view of a detailed flow of multicast audio/video data in a third embodiment of the virtual desktop-based audio/video multicast playing method of the present invention;
fig. 4 is a functional module schematic diagram of a first embodiment of the virtual desktop-based audio/video multicast playing apparatus according to the present invention;
fig. 5 is a schematic diagram of a detailed functional module of a data acquisition module in a second embodiment of the virtual desktop-based audio/video multicast playing apparatus according to the present invention;
fig. 6 is a schematic diagram of a detailed functional module of a second multicast module in a third embodiment of the virtual desktop based audio/video multicast playing apparatus according to the present invention;
fig. 7 is a schematic structural diagram of a virtual desktop-based audio/video multicast playing system according to a first embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides an audio/video multicast playing method based on a virtual desktop, as shown in fig. 1, which shows a flow diagram of a first embodiment of the audio/video multicast playing method based on the virtual desktop, and the audio/video multicast playing method based on the virtual desktop comprises the following steps:
s10, when starting the first multicast component of the first virtual machine, generating multicast address information and acquiring a second virtual machine list of the started second multicast component in multicast;
the first virtual machine and the second virtual machine may be deployed on the same server, or may be deployed on different servers. The first virtual machine is a virtual machine on a server, each first virtual machine is provided with the first multicast component, the first multicast components can generate multicast address information and send multicast messages to other virtual machines in multicast, and the like, wherein the multicast address information comprises a multicast IP and a port number. The first multicast component may be controlled to start on the first virtual machine by a user, or may be self-started when the first virtual machine starts. The second virtual machine is a virtual machine on the server, each second virtual machine is provided with the second multicast component, and the second multicast component can receive the multicast message sent by the first multicast component and perform data communication with the multicast message after being started. The second multicast component may be controlled to start on the second virtual machine by a user, or may be self-started when the second virtual machine starts. The plurality of second virtual machines in the same multicast network may be distributed on the same server, or may be distributed on a plurality of different servers, and the deployment of the server may be any deployment mode, such as a stand-alone mode, a main standby mode, a cluster mode, and the like.
And the first multicast component of the first virtual machine sends multicast messages in a specific multicast network to obtain response information returned by the second virtual machine which starts the second multicast component, so that a second virtual machine list of the started second multicast component is obtained according to second virtual machine identification information contained in the response information. The identification information may be a computer name of the virtual machine, etc.
S20, broadcasting the multicast address information to a preset second virtual machine group according to the second virtual machine list;
connecting the first virtual machine by a user through a terminal (which can be a thin terminal), and viewing the acquired second virtual machine list information of the started second multicast component on the terminal; the user selects one or more second virtual machines, namely the preset second virtual machine, which want to send multicast data to according to the list information through the terminal, and the selection result of the user is stored on the first virtual machine; and the first virtual machine acquires the selection result and broadcasts the multicast address information to the preset second virtual machine set by the first multicast component according to the selection result.
S30, sending the multicast address information received by the second multicast component of the predetermined second virtual machine to the first terminal through a desktop agent, so that the first terminal joins in a multicast group according to the multicast address information;
the second multicast component of the predetermined second virtual machine receives the multicast address information multicast by the first multicast component of the first virtual machine and forwards the multicast address information to the desktop agent of the virtual machine where the multicast address information is located; after receiving the multicast address information, the desktop agent forwards the multicast address information to a spice server (a server in a spice protocol) of a virtual machine in which the desktop agent is located through a virtual I/O (input/output) channel; and after receiving the multicast address information forwarded by the desktop agent, the spice server forwards the multicast address information to a first terminal (a client in a spice protocol) through the spice protocol. The first terminal is a user terminal connected to the second virtual machine, and the first terminal may be a thin terminal (a computer terminal in a client-server network system that does not substantially need an application program, and communicates with a server through some protocols to access a local area network), on which a client component capable of communicating externally is installed.
When the first virtual machine group broadcasts the multicast address information, after a first terminal connected to a corresponding second virtual machine receives the multicast address information, the first terminal joins a multicast group according to a multicast IP and a port number in the multicast address information; and at the moment, the first terminal which is not connected to the corresponding second virtual machine is connected with the corresponding second virtual machine at a later time (during the period that the multicast communication is not hung up), and then the multicast address information is acquired from the spice server and added into the multicast group.
And S40, multicasting the audio and video data to the first terminal through a first playing component of the first virtual machine, so that the first terminal plays corresponding audio and video contents after receiving the audio and video data.
When multicasting the audio and video data, the first playing component of the first virtual machine directly forwards the data to the preset first terminal through media such as a physical switch, a router and the like, and the first terminal which is added into the multicast group plays corresponding audio and video contents after receiving the forwarded audio and video data.
The invention provides an audio and video multicast playing method based on a virtual desktop, which adopts a first multicast component and a second multicast component to respectively replace a polar region teacher end and a polar region student end in the existing polar region teaching software implementation method, is used for transmitting multicast address information of a first virtual machine to a second virtual machine so as to enable a preset second virtual machine to join a corresponding multicast group, and is used for directly forwarding audio and video data multicast by the first virtual machine to a first terminal corresponding to the second virtual machine through media such as a physical switch, a router and the like, compared with the existing polar region teaching software implementation method, a large amount of communication bandwidth of the audio and video data multicast to the student end virtual machine (namely the first virtual machine) by the teacher end virtual machine (namely the first virtual machine) and then forwarding the data to the respective corresponding student end (namely the first terminal) by the respective student end virtual machine is saved, and CPU consumption occupied by playing on the student end virtual machine, the problem that the terminal plays audio and video blocks due to overlarge network bandwidth and CPU consumption at the server end is solved.
Further, a second embodiment of the audio/video multicast playing method based on a virtual desktop is provided based on the first embodiment, and referring to fig. 2, in this embodiment, the acquiring a second virtual machine list in which a second multicast component has been started in a multicast includes:
s11, sending a multicast message to a second multicast component of a second virtual machine in multicast;
the multicast message includes information such as the first virtual machine identifier, a multicast address (multicast IP and port number), and the like.
S12, after receiving the multicast message, the second virtual machine that has started the second multicast component returns a response message to the first multicast component, where the response message includes registration information of the second virtual machine;
the method includes the steps that a first multicast component of a first virtual machine multicasts a message in a specific multicast network, in a second virtual machine in which a second multicast component is started in the specific multicast network, the started second multicast component receives the multicast message and sends a registration request to the first multicast component pointed by a multicast address, the first multicast component sends an information acquisition request to the second multicast component after receiving the registration request so as to acquire identification information of a virtual machine corresponding to the second multicast component, and the identification information can be a computer name of the virtual machine. The registration information includes the identification information.
And S13, after the first multicast component receives the response message, acquiring the second virtual machine list according to the registration information of the second virtual machine.
And the first multicast component counts the registration information in the response message returned from each second virtual machine, so as to obtain a list containing the second virtual machine identification, and a user can conveniently identify and select one or more second virtual machines which the user wants to multicast data to from the list according to the second virtual machine identification.
According to the audio and video multicast playing method based on the virtual desktop, when a first multicast component of a first virtual machine is started, second virtual machine identification information which can be connected with a terminal in a multicast network is obtained in a multicast mode, so that a user can selectively multicast data to a specific receiver according to the second virtual machine identification information.
Further, a third embodiment of the audio/video multicast playing method based on a virtual desktop is provided based on the second embodiment, and referring to fig. 3, in this embodiment, the step S40 includes:
s41, when a first playing component of the first virtual machine is started to play audio and video, multicast address information is requested from the first playing component;
the first playing component is controlled and started by a user through a virtual desktop of a first virtual machine and is used for playing audio and video on the first virtual machine and multicasting the data of the audio and video into a multicast network.
S42, when the first playing component is started, controlling the first playing component to return the multicast address information to the first playing component;
when the first multicast component is started, the first broadcast component can acquire multicast address information from the first multicast component; when the first playing component is not started, the first playing component cannot return the required multicast address information to the first playing component.
And S43, controlling the first playing component to multicast audio and video data to the first terminal according to the multicast address information, so that the first terminal plays corresponding audio and video contents after receiving the audio and video data.
After the first playing component acquires the multicast address information, playing corresponding audio and video on a first virtual machine according to a multicast IP and a port number in the multicast address information, and multicasting the audio and video data corresponding to the audio and video into a specific multicast network; and receiving the audio and video data and playing corresponding audio and video contents in the specific multicast network and the first terminal which is connected to the corresponding second virtual machine.
It can be understood that, when a user wants to stop playing audio/video or finish playing audio/video, the first virtual machine controls the first playing component to stop playing audio/video and stop multicasting audio/video data, and at this time, the first virtual machine can also control the first playing component to multicast a notification message that audio/video playing is finished, and then stop a related process of the first playing component.
According to the audio and video multicast playing method based on the virtual desktop, the first playing component is used for playing audio and video data, the audio and video data can be multicast to other terminals while the audio and video are played on the first virtual machine, the occupied bandwidth in the whole process is small, and the problem that the terminal plays the audio and video is unsmooth is solved.
The invention also provides an audio/video multicast playing device based on a virtual desktop, as shown in fig. 4, which shows a schematic diagram of functional modules of a first embodiment of the audio/video multicast playing device based on the virtual desktop, and the audio/video multicast playing device based on the virtual desktop includes:
a data obtaining module 100, configured to start a first multicast component of a first virtual machine, generate multicast address information, and obtain a second virtual machine list in which a second multicast component has been started in a multicast;
the first virtual machine and the second virtual machine may be deployed on the same server, or may be deployed on different servers. The first virtual machine is a virtual machine on a server, each first virtual machine is provided with the first multicast component, the first multicast components can generate multicast address information and send multicast messages to other virtual machines in multicast, and the like, wherein the multicast address information comprises a multicast IP and a port number. The first multicast component may be controlled to start on the first virtual machine by a user, or may be self-started when the first virtual machine starts. The second virtual machine is a virtual machine on the server, each second virtual machine is provided with the second multicast component, and the second multicast component can receive the multicast message sent by the first multicast component and perform data communication with the multicast message after being started. The second multicast component may be started by a user controlling the data acquisition module 100 on the second virtual machine, or may be self-started in the data acquisition module 100 when the second virtual machine is started. The plurality of second virtual machines in the same multicast network may be distributed on the same server, or may be distributed on a plurality of different servers, and the deployment of the server may be any deployment mode, such as a stand-alone mode, a main standby mode, a cluster mode, and the like.
In the data obtaining module 100, the first multicast component of the first virtual machine sends a multicast message in a specific multicast network to obtain response information returned by the second virtual machine that has started the second multicast component, so as to obtain the second virtual machine list that has started the second multicast component according to the second virtual machine identification information included in the response information. The identification information may be a computer name of the virtual machine, etc.
A first multicast module 200, configured to multicast the multicast address information to a predetermined second virtual machine group according to the second virtual machine list;
connecting the first virtual machine by a user through a terminal (which can be a thin terminal), and viewing the acquired second virtual machine list information of the started second multicast component on the terminal; the user selects one or more second virtual machines, namely the preset second virtual machine, which want to send multicast data to according to the list information through the terminal, and the selection result of the user is stored on the first virtual machine; in the first multicast module 200, the first virtual machine obtains the selection result, and broadcasts the multicast address information to the predetermined second virtual machine by the first multicast component according to the selection result.
The desktop agent module 300 is configured to send the multicast address information received by the second multicast component of the predetermined second virtual machine to the first terminal through the desktop agent, so that the first terminal joins the multicast group according to the multicast address information;
in the desktop agent module 300, the second multicast component of the predetermined second virtual machine receives the multicast address information multicast by the first multicast component of the first virtual machine, and forwards the multicast address information to the desktop agent of the virtual machine where the multicast address information is located; after receiving the multicast address information, the desktop agent forwards the multicast address information to a spice server (a service end in a spice protocol) of a virtual machine where the desktop agent is located through a virtual I/O channel; and after receiving the multicast address information forwarded by the desktop agent, the voiceserver forwards the multicast address information to a first terminal (a client in a spice protocol) through the spice protocol. The first terminal is a user terminal connected to the second virtual machine, and the first terminal may be a thin terminal (a computer terminal in a client-server network system that does not substantially need an application program, and communicates with a server through some protocols to access a local area network), on which a client component capable of communicating externally is installed.
When the first virtual machine group broadcasts the multicast address information, after a first terminal connected to a corresponding second virtual machine receives the multicast address information, the first terminal joins a multicast group according to a multicast IP and a port number in the multicast address information; and at the moment, the first terminal which is not connected to the corresponding second virtual machine is connected with the corresponding second virtual machine at a later time (during the period that the multicast communication is not hung up), and then the multicast address information is acquired from the spice server and added into the multicast group.
The second multicast module 400 is configured to multicast audio and video data to the first terminal through a first playing component of the first virtual machine, so that the first terminal plays corresponding audio and video content after receiving the audio and video data.
In the second multicast module 400, when multicasting the audio and video data, the first playing component of the first virtual machine directly forwards the data to the predetermined first terminal through media such as a physical switch and a router, and the first terminal added to the multicast group plays corresponding audio and video contents after receiving the forwarded audio and video data.
The invention provides an audio/video multicast playing device based on a virtual desktop, which adopts a first multicast component and a second multicast component to respectively replace an extreme field teacher end and an extreme field student end in the existing extreme field teaching software implementation method, is used for transmitting multicast address information of a first virtual machine to a second virtual machine so as to enable the predetermined second virtual machine to join a corresponding multicast group, and is used for directly forwarding audio/video data multicast by the first virtual machine to a first terminal corresponding to the second virtual machine through media such as a physical switch, a router and the like, compared with the existing extreme field teaching software implementation method, a large amount of communication bandwidth of the audio/video data multicast from the teacher end virtual machine (namely the first virtual machine) to the student end virtual machine (namely the second virtual machine) and then forwarding the data from each student end virtual machine to the respective corresponding student end (namely the first terminal) is saved, and CPU consumption of playing on the student end virtual machine is saved, the problem that the terminal plays audio and video blocks due to overlarge network bandwidth and CPU consumption at the server end is solved.
Further, referring to fig. 5, a second embodiment of the audio/video multicast playing apparatus based on a virtual desktop is provided based on the first embodiment, and based on the embodiment shown in fig. 4, in this embodiment, the data obtaining module 100 includes:
a first multicast unit 101, configured to send a multicast message to a second multicast component of a second virtual machine in multicast;
the multicast message includes information such as the first virtual machine identifier, a multicast address (multicast IP and port number), and the like.
A first response unit 102, configured to return a response message to the first multicast component after a second virtual machine that has started the second multicast component receives the multicast message, where the response message includes registration information of the second virtual machine;
in the first multicast unit 101, a first multicast component of the first virtual machine multicasts messages in a specific multicast network; in a second virtual machine in the specific multicast network, where a second multicast component is started, the started second multicast component receives the multicast message in the first response unit 102 and sends a registration request to the first multicast component pointed by a multicast address, and the first multicast component sends an information acquisition request to the second multicast component after receiving the registration request, so as to acquire identification information of a virtual machine corresponding to the second multicast component, where the identification information may be an identification such as a computer name of the virtual machine. The registration information includes the identification information.
A list obtaining unit 103, configured to obtain the second virtual machine list according to the registration information of the second virtual machine after the first multicast component receives the response message.
In the list obtaining unit 103, the first multicast component counts the registration information in the response message returned from each second virtual machine, so as to obtain a list including the second virtual machine identifier, which is convenient for the user to identify and select one or more second virtual machines from the list to which the user wants to multicast data according to the second virtual machine identifier.
According to the audio and video multicast playing device based on the virtual desktop, when a first multicast component of a first virtual machine is started, second virtual machine identification information which can be connected with a terminal in a multicast network is obtained in a multicast mode, so that a user can selectively multicast data to a specific receiver according to the second virtual machine identification information.
Further, referring to fig. 6, a third embodiment of the audio/video multicast playing apparatus based on a virtual desktop is proposed based on the second embodiment, and based on the embodiment shown in fig. 4, in this embodiment, the second multicast module 400 includes:
the starting unit 401 is configured to start a first playing component of the first virtual machine to play an audio and a video;
the first playing component is controlled by a user through a virtual desktop of a first virtual machine to start the starting unit 401, and is used for playing audio and video on the first virtual machine and multicasting data of the audio and video into a multicast network.
A requesting unit 402, configured to request multicast address information from the first multicast component;
a second response unit 403, configured to control the first playing component to return the multicast address information to the first playing component when the first playing component is started;
when the first multicast component is started, the first broadcast component can acquire multicast address information from the first multicast component; when the first playing component is not started, the first playing component cannot return the required multicast address information to the first playing component.
A second multicast unit 404, configured to control the first playing component to multicast the audio and video data to the first terminal according to the multicast address information, so that the first terminal plays corresponding audio and video content after receiving the audio and video data.
In the second multicast unit 404, after the first playing component acquires the multicast address information, playing corresponding audio and video on a first virtual machine according to a multicast IP and a port number in the multicast address information, and multicasting audio and video data corresponding to the audio and video into a specific multicast network; and receiving the audio and video data and playing corresponding audio and video contents in the specific multicast network and the first terminal which is connected to the corresponding second virtual machine.
It can be understood that, when a user wants to stop playing audio/video or finish playing audio/video, the first virtual machine controls the first playing component to stop playing audio/video and stop multicasting audio/video data, at this time, in the second multicasting unit 404, the first virtual machine may also control the first playing component to multicast a notification message that audio/video playing is finished, and then stop a related process of the first playing component.
According to the audio and video multicast playing device based on the virtual desktop, the first playing component is used for broadcasting audio and video data, the audio and video data can be multicast to other terminals while the audio and video are played on the first virtual machine, the occupied bandwidth in the whole process is small, and the problem that the terminal plays the audio and video is unsmooth is solved.
In addition, the present invention further provides an audio/video multicast playing system based on a virtual desktop, as shown in fig. 7, which shows a schematic structural diagram of a first embodiment of the audio/video multicast playing system based on a virtual desktop according to the present invention. The system comprises a virtual desktop server 10, a first terminal 20 and a second terminal 30, wherein the virtual desktop server 10 comprises the audio/video multicast playing device based on the virtual desktop according to any one of the embodiments; the virtual desktop server 10 is composed of a first server 11 and a second server 12, the second terminal 30 is connected to a first virtual machine on the first server 11, the first terminal 20 is connected to a second virtual machine on the second server 12, wherein,
the second terminal 30 is configured to control broadcast video data of the first virtual machine set;
the first server 11 is configured to start a first multicast component of a first virtual machine, generate multicast address information, acquire a second virtual machine list in which a second multicast component has been started in multicast, broadcast the multicast address information to a predetermined second virtual machine group according to the second virtual machine list, and multicast audio/video data to the first terminal through a first broadcast component of the first virtual machine;
the second server 12 is configured to receive the multicast address information sent by the first server 11, and send the multicast address information received by the second multicast component of the predetermined second virtual machine to the first terminal 20 through a desktop agent;
the first terminal 20 is configured to join a multicast group according to the multicast address information sent by the second server 12, and play corresponding audio and video content after receiving the audio and video data multicast by the first playing component in the first server 11.
The first server 11 and the second server 12 may be two logical servers on the same physical server, wherein the first virtual machine is deployed on the first server 11, and the second virtual machine is deployed on the second server 12; the first server 11 may also be one or more physical servers, and the deployment mode thereof may be any mode, and the first virtual machine is deployed on the first server 11, and correspondingly, the second server 12 may be one or more physical servers independent from the first server 11, and the deployment mode thereof may be any mode, and the second virtual machine is deployed on the second server 12.
The first virtual machine is a virtual machine on a server, each first virtual machine is provided with the first multicast component, the first multicast components can generate multicast address information and send multicast messages to other virtual machines in multicast, and the like, wherein the multicast address information comprises a multicast IP and a port number. The first multicast component may be controlled to start on the first virtual machine by a user, or may be self-started when the first virtual machine starts. The second virtual machine is a virtual machine on the server, each second virtual machine is provided with the second multicast component, and the second multicast component can receive the multicast message sent by the first multicast component and perform data communication with the multicast message after being started. The second multicast component may be controlled to start on the second virtual machine by a user, or may be self-started when the second virtual machine starts. The plurality of second virtual machines in the same multicast network may be distributed on the same server, or may be distributed on a plurality of different servers, and the deployment of the server may be any deployment mode, such as a stand-alone mode, a main standby mode, a cluster mode, and the like.
And the first multicast component of the first virtual machine sends multicast messages in a specific multicast network to obtain response information returned by the second virtual machine which starts the second multicast component, so that a second virtual machine list of the started second multicast component is obtained according to second virtual machine identification information contained in the response information. The identification information may be a computer name of the virtual machine, etc.
Connecting the first virtual machine by a user through a terminal (which can be a thin terminal), and viewing the acquired second virtual machine list information of the started second multicast component on the terminal; the user selects one or more second virtual machines, namely the preset second virtual machine, which want to send multicast data to according to the list information through the terminal, and the selection result of the user is stored on the first virtual machine; and the first virtual machine acquires the selection result and broadcasts the multicast address information to the preset second virtual machine set by the first multicast component according to the selection result.
The second multicast component of the predetermined second virtual machine receives the multicast address information multicast by the first multicast component of the first virtual machine and forwards the multicast address information to the desktop agent of the virtual machine where the multicast address information is located; after receiving the multicast address information, the desktop agent forwards the multicast address information to a spice server (a service end in a spice protocol) of a virtual machine where the desktop agent is located through a virtual I/O channel; after receiving the multicast address information forwarded by the desktop agent, the spice server forwards the multicast address information to the first terminal 20 (a client in a spice protocol) through the spice protocol. The first terminal 20 is a user terminal connected to the second virtual machine, and the first terminal 20 may be a thin terminal (a computer terminal in a client-server network system that does not substantially need an application program, and communicates with a server through some protocols, and further accesses a local area network), on which a client component capable of communicating with the outside is installed.
When the first virtual machine group broadcasts the multicast address information, after receiving the multicast address information, the first terminal 20 connected to the corresponding second virtual machine joins the multicast group according to the multicast IP and the port number in the multicast address information; the first terminal 20 which is not connected to the corresponding second virtual machine at this time acquires the multicast address information from the spice server and joins in the multicast group after establishing connection with the corresponding second virtual machine later (during the period that the multicast communication is not hung up); when multicasting the audio and video data, the first playing component of the first virtual machine directly forwards the data to the predetermined first terminal 20 through media such as a physical switch, a router and the like, and the first terminal 20 which joins the multicast group plays corresponding audio and video contents after receiving the forwarded audio and video data.
The audio and video multicast playing system based on the virtual desktop adopts the first multicast component and the second multicast component to respectively replace a polar region teacher end and a polar region student end in the existing polar region teaching software, is used for transmitting the multicast address information of the first virtual machine to the second virtual machine so as to enable the predetermined second virtual machine to join the corresponding multicast group, and is used for directly forwarding the audio and video data multicast by the first virtual machine to the first terminal 20 corresponding to the second virtual machine through media such as a physical switch, a router and the like, compared with the existing polar region teaching software, the audio and video multicast playing system saves a large amount of communication bandwidth of the audio and video data multicast by the teacher end virtual machine (namely the first virtual machine) to the student end virtual machine (namely the second virtual machine) and then forwarding the data to the respective corresponding student terminal (namely the first terminal 20) by each student end virtual machine, and CPU consumption occupied by playing on the student end virtual machine, the problem that the terminal plays audio and video blocks due to overlarge network bandwidth and CPU consumption at the server end is solved.
Further, a second embodiment of the virtual desktop based audio/video multicast playing system according to the present invention is provided based on the first embodiment, in this embodiment, the first server 11 is further configured to:
sending a multicast message to a second multicast component of a second virtual machine in the second server 12 within a multicast;
the multicast message includes information such as the first virtual machine identifier, a multicast address (multicast IP and port number), and the like.
The second server 12 is further configured to:
after a second virtual machine which has started the second multicast component receives the multicast message, returning a response message to the first multicast component, wherein the response message comprises registration information of the second virtual machine;
the method includes the steps that a first multicast component of a first virtual machine multicasts a message in a specific multicast network, in a second virtual machine in which a second multicast component is started in the specific multicast network, the started second multicast component receives the multicast message and sends a registration request to the first multicast component pointed by a multicast address, the first multicast component sends an information acquisition request to the second multicast component after receiving the registration request so as to acquire identification information of a virtual machine corresponding to the second multicast component, and the identification information can be a computer name of the virtual machine. The registration information includes the identification information.
The first server 11 is further configured to:
and after the first multicast component receives the response message, acquiring the second virtual machine list according to the registration information of the second virtual machine.
And the first multicast component counts the registration information in the response message returned from each second virtual machine, so as to obtain a list containing the second virtual machine identification, and a user can conveniently identify and select one or more second virtual machines which the user wants to multicast data to from the list according to the second virtual machine identification.
According to the audio and video multicast playing system based on the virtual desktop, when a first multicast component of a first virtual machine is started, second virtual machine identification information which can be connected with a terminal in a multicast network is obtained in a multicast mode, so that a user can selectively multicast data to a specific receiver according to the second virtual machine identification information.
Further, a third embodiment of the audio/video multicast playing system based on the virtual desktop is provided based on the second embodiment of the present invention, in this embodiment, the first server 11 is further configured to:
starting a first playing component of the first virtual machine to play audio and video, and requesting multicast address information from the first playing component; when the first playing component is started, controlling the first playing component to return the multicast address information to the first playing component; and controlling the first playing component to multicast the audio and video data to the first terminal 20 according to the multicast address information, so that the first terminal 20 plays corresponding audio and video contents after receiving the audio and video data.
The first playing component is controlled and started by a user through a virtual desktop of a first virtual machine and is used for playing audio and video on the first virtual machine and multicasting the data of the audio and video into a multicast network. When the first multicast component is started, the first broadcast component can acquire multicast address information from the first multicast component; when the first playing component is not started, the first playing component cannot return the required multicast address information to the first playing component.
After the first playing component acquires the multicast address information, playing corresponding audio and video on a first virtual machine according to a multicast IP and a port number in the multicast address information, and multicasting the audio and video data corresponding to the audio and video into a specific multicast network; the first terminal 20, which is within the specific multicast network and has been connected to the corresponding second virtual machine, receives the audio-video data and plays the corresponding audio-video content.
It can be understood that, when a user wants to stop playing audio/video or finish playing audio/video, the first virtual machine controls the first playing component to stop playing audio/video and stop multicasting audio/video data, and at this time, the first virtual machine can also control the first playing component to multicast a notification message that audio/video playing is finished, and then stop a related process of the first playing component.
According to the audio and video multicast playing system based on the virtual desktop, the first playing component is used for broadcasting audio and video data, the audio and video data can be multicast to other terminals while the audio and video are played on the first virtual machine, the occupied bandwidth in the whole process is small, and the problem that the terminal plays the audio and video is unsmooth is solved.
Further, a fourth embodiment of the audio/video multicast playing system based on the virtual desktop is provided based on the third embodiment, in this embodiment, the first terminal 20 is further configured to:
when receiving the audio and video data multicast by the first playing component of the first server 11, the second playing component decodes the audio and video data and plays the corresponding audio and video content.
The second playing component is installed on the first terminal 20, and is used for decoding the audio and video data received by the first terminal 20, and then playing corresponding audio and video contents by using the hardware of the terminal.
Compared with the existing method for realizing the delocalized teaching software, the audio and video multicast playing system based on the virtual desktop provided by the invention has the advantages that the problem that the terminal plays audio and video slowly due to the fact that the CPU of the server where the virtual machine is located is excessively consumed when the audio and video is played on the virtual machine (namely the second virtual machine) at the student end is solved, and the audio and video playing of the terminal is smooth.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. An audio and video multicast playing method based on a virtual desktop is characterized in that the audio and video multicast playing method based on the virtual desktop comprises the following steps:
when a first multicast component of a first virtual machine is started, multicast address information is generated, and a second virtual machine list of a second multicast component which is started in multicast is obtained;
broadcasting the multicast address information to a preset second virtual machine group according to the second virtual machine list;
sending the multicast address information received by a second multicast component of the predetermined second virtual machine to a first terminal through a desktop agent so that the first terminal joins a multicast group according to the multicast address information;
and multicasting audio and video data to the first terminal through a first playing component of the first virtual machine so that the first terminal plays corresponding audio and video contents after receiving the audio and video data.
2. The virtual desktop-based audio/video multicast playing method according to claim 1, wherein the acquiring a second list of virtual machines in which a second multicast component has been started in a multicast comprises:
sending a multicast message to a second multicast component of a second virtual machine in the multicast;
after a second virtual machine which has started the second multicast component receives the multicast message, returning a response message to the first multicast component, wherein the response message comprises registration information of the second virtual machine;
and after the first multicast component receives the response message, acquiring the second virtual machine list according to the registration information of the second virtual machine.
3. The virtual desktop-based audio/video multicast playing method according to claim 2, wherein the multicasting the audio/video data to the first terminal through the first playing component of the first virtual machine includes:
when a first playing component of the first virtual machine is started to play audio and video, multicast address information is requested from the first playing component;
when the first playing component is started, controlling the first playing component to return the multicast address information to the first playing component;
and controlling the first playing component to multicast audio and video data to the first terminal according to the multicast address information so that the first terminal plays corresponding audio and video contents after receiving the audio and video data.
4. The utility model provides an audio frequency and video multicast play device based on virtual desktop which characterized in that, audio frequency and video multicast play device based on virtual desktop includes:
the data acquisition module is used for starting a first multicast component of a first virtual machine, generating multicast address information and acquiring a second virtual machine list of a second multicast component started in multicast;
the first multicast module is used for multicasting the multicast address information to a preset second virtual machine group according to the second virtual machine list;
the desktop agent module is used for sending the multicast address information received by the second multicast component of the preset second virtual machine to the first terminal through the desktop agent so that the first terminal can join a multicast group according to the multicast address information;
and the second multicast module is used for multicasting the audio and video data to the first terminal through a first playing component of the first virtual machine so that the first terminal plays corresponding audio and video contents after receiving the audio and video data.
5. The virtual desktop-based audio/video multicast playing device according to claim 4, wherein the data acquisition module comprises:
the first multicast unit is used for sending multicast messages to a second multicast component of a second virtual machine in multicast;
a first response unit, configured to return a response message to the first multicast component after a second virtual machine that has started the second multicast component receives the multicast message, where the response message includes registration information of the second virtual machine;
and the list acquisition unit is used for acquiring the second virtual machine list according to the registration information of the second virtual machine after the first multicast component receives the response message.
6. The virtual desktop based audio-video multicast playing device according to claim 5, wherein the second multicast module comprises:
the starting unit is used for starting a first playing component of the first virtual machine to play audio and video;
a request unit configured to request multicast address information from the first multicast component;
a second response unit, configured to control the first playing component to return the multicast address information to the first playing component when the first playing component is started;
and the second multicast unit is used for controlling the first playing component to multicast the audio and video data to the first terminal according to the multicast address information so that the first terminal plays corresponding audio and video contents after receiving the audio and video data.
7. An audio and video multicast playing system based on a virtual desktop comprises a virtual desktop server, a first terminal and a second terminal, and is characterized in that the virtual desktop server is composed of a first server and a second server, the second terminal is connected with a first virtual machine on the first server, the first terminal is connected with a second virtual machine on the second server, wherein,
the second terminal is used for controlling the broadcast video data of the first virtual machine set;
the first server is used for starting a first multicast component of a first virtual machine, generating multicast address information, acquiring a second virtual machine list of a second multicast component started in multicast, broadcasting the multicast address information to a preset second virtual machine set according to the second virtual machine list, and multicasting audio and video data to the first terminal through a first playing component of the first virtual machine;
the second server is used for receiving the multicast address information sent by the first server and sending the multicast address information received by the second multicast component of the predetermined second virtual machine to the first terminal through a desktop agent;
the first terminal is used for adding a multicast group according to the multicast address information sent by the second server and playing corresponding audio and video contents after receiving audio and video data multicast by the first playing component in the first server.
8. The virtual desktop based audio-video multicast playback system of claim 7, wherein the first server is further configured to:
sending a multicast message to a second multicast component of a second virtual machine in the second server in multicast;
the second server is further configured to:
after a second virtual machine which has started the second multicast component receives the multicast message, returning a response message to the first multicast component, wherein the response message comprises registration information of the second virtual machine;
the first server is further configured to:
and after the first multicast component receives the response message, acquiring the second virtual machine list according to the registration information of the second virtual machine.
9. The virtual desktop based audio-video multicast playback system of claim 8, wherein the first server is further configured to:
starting a first playing component of the first virtual machine to play audio and video, and requesting multicast address information from the first playing component; when the first playing component is started, controlling the first playing component to return the multicast address information to the first playing component; and controlling the first playing component to multicast audio and video data to the first terminal according to the multicast address information so that the first terminal plays corresponding audio and video contents after receiving the audio and video data.
10. The virtual desktop based audio-video multicast playing system according to claim 9, wherein the first terminal is further configured to:
and when receiving the audio and video data multicast by the first playing component of the first server, the second playing component decodes the audio and video data and plays corresponding audio and video contents.
CN201510875186.XA 2015-12-02 2015-12-02 Audio and video multicast playing method, device and system based on virtual desktop Active CN106817607B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201510875186.XA CN106817607B (en) 2015-12-02 2015-12-02 Audio and video multicast playing method, device and system based on virtual desktop
PCT/CN2016/105203 WO2017092554A1 (en) 2015-12-02 2016-11-09 Method, device, and system for audio/video multicast playback based on virtual desktop

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510875186.XA CN106817607B (en) 2015-12-02 2015-12-02 Audio and video multicast playing method, device and system based on virtual desktop

Publications (2)

Publication Number Publication Date
CN106817607A CN106817607A (en) 2017-06-09
CN106817607B true CN106817607B (en) 2020-09-08

Family

ID=58796236

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510875186.XA Active CN106817607B (en) 2015-12-02 2015-12-02 Audio and video multicast playing method, device and system based on virtual desktop

Country Status (2)

Country Link
CN (1) CN106817607B (en)
WO (1) WO2017092554A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107438104A (en) * 2017-08-10 2017-12-05 神思电子技术股份有限公司 Solves the method that video streaming apparatus takes network bandwidth under cloud desktop environment
CN108306930B (en) * 2017-12-22 2021-02-09 华为技术有限公司 Remote desktop system and image data sharing method
CN111818388A (en) * 2020-05-27 2020-10-23 深圳壹账通智能科技有限公司 Video playing method, device and equipment with multi-process access and storage medium
CN113301438A (en) * 2021-05-29 2021-08-24 南京云步信息科技有限公司 Cloud desktop video playing method based on underlying virtualization technology

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103905927A (en) * 2012-12-26 2014-07-02 华为技术有限公司 Video redirection method under virtual desktop scene, desktop server and system
CN104144130A (en) * 2013-05-10 2014-11-12 中国电信股份有限公司 Virtual machine system interconnection method and system and access switch
CN104580308A (en) * 2013-10-21 2015-04-29 中兴通讯股份有限公司 Virtual desktop reappearing and pushing method and device and virtual desktop system
CN104704471A (en) * 2012-10-10 2015-06-10 微软公司 Virtual machine multicast/broadcast in virtual network
CN104935443A (en) * 2014-03-17 2015-09-23 中兴通讯股份有限公司 Multicast data processing method, device and system, transmitting equipment, and receiving client

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4407452B2 (en) * 2004-09-29 2010-02-03 株式会社日立製作所 Server, VPN client, VPN system, and software
US9077644B2 (en) * 2010-12-08 2015-07-07 At&T Intellectual Property I, L.P. Methods and apparatus for communicating with groups of devices sharing an attribute
US9135092B2 (en) * 2012-02-02 2015-09-15 International Business Machines Corporation Multicast message filtering in virtual environments

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104704471A (en) * 2012-10-10 2015-06-10 微软公司 Virtual machine multicast/broadcast in virtual network
CN103905927A (en) * 2012-12-26 2014-07-02 华为技术有限公司 Video redirection method under virtual desktop scene, desktop server and system
CN104144130A (en) * 2013-05-10 2014-11-12 中国电信股份有限公司 Virtual machine system interconnection method and system and access switch
CN104580308A (en) * 2013-10-21 2015-04-29 中兴通讯股份有限公司 Virtual desktop reappearing and pushing method and device and virtual desktop system
CN104935443A (en) * 2014-03-17 2015-09-23 中兴通讯股份有限公司 Multicast data processing method, device and system, transmitting equipment, and receiving client

Also Published As

Publication number Publication date
WO2017092554A1 (en) 2017-06-08
CN106817607A (en) 2017-06-09

Similar Documents

Publication Publication Date Title
CN106302616B (en) Network awakening method, remote server and network switching equipment
CN102523492B (en) Comment method for interactive comment system, television and mobile terminal
CN105656680B (en) Network camera control method and device
CN106817607B (en) Audio and video multicast playing method, device and system based on virtual desktop
US9621958B2 (en) Deferred, on-demand loading of user presence within a real-time collaborative service
US20150365453A1 (en) Media projection method and device, control terminal and cloud server
CN105656910B (en) Media transmission server, media transmission system, user terminal and media transmission method
CN105610777B (en) Remote living broadcast method and system
WO2016165584A1 (en) Communication method and device between terminal
CN105530535A (en) Method and system capable of realizing multi-person video watching and real-time interaction
WO2014180234A1 (en) Virtual desktop reproducing and pushing method and device, and virtual desktop system
CN111556359A (en) Screen projection system and method based on television box
CN102469294A (en) Method and system for dynamically regulating media contents of video conference
US20160149977A1 (en) System and Method of Video Streaming
CN111147817B (en) Video processing method and device, electronic equipment and storage medium
CN113747247A (en) Live broadcast method and device, computer equipment and storage medium
CN115119011B (en) Live broadcast room content rebroadcasting method, background server and electronic equipment
CN107291409B (en) Online desktop sharing method and system
CN109348242B (en) Live network scheduling method, device, medium and electronic equipment
CN103391481A (en) Data interaction method, device and system based on real-time messaging protocol
CN110740337B (en) Live broadcast method and device, electronic equipment and storage medium
CN110071947B (en) Online teaching method and device
WO2015154569A1 (en) File processing method and device
CN113115065A (en) Live broadcast-based data processing method and device
TW200803512A (en) Set top box and method for generating callback signal thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20200804

Address after: 210012 Nanjing, Yuhuatai District, South Street, Bauhinia Road, No. 68

Applicant after: Nanjing Zhongxing New Software Co.,Ltd.

Address before: 518057 Nanshan District Guangdong high tech Industrial Park, South Road, science and technology, ZTE building, Ministry of Justice

Applicant before: ZTE Corp.

GR01 Patent grant
GR01 Patent grant