CN116582521A - Multi-user video-end conference data processing system and method - Google Patents

Multi-user video-end conference data processing system and method Download PDF

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Publication number
CN116582521A
CN116582521A CN202310335204.XA CN202310335204A CN116582521A CN 116582521 A CN116582521 A CN 116582521A CN 202310335204 A CN202310335204 A CN 202310335204A CN 116582521 A CN116582521 A CN 116582521A
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CN
China
Prior art keywords
video
client
unit
data
audio
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Pending
Application number
CN202310335204.XA
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Chinese (zh)
Inventor
李星传
朱伟
巩卫华
胡甲齐
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.)
Rizhao Emergency Management Bureau
Rizhao Institute Of Geological And Geographic Information Big Data
Eighth Geological Brigade of Shandong Geological and Mineral Exploration and Development Bureau
Original Assignee
Rizhao Emergency Management Bureau
Rizhao Institute Of Geological And Geographic Information Big Data
Eighth Geological Brigade of Shandong Geological and Mineral Exploration and Development Bureau
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Application filed by Rizhao Emergency Management Bureau, Rizhao Institute Of Geological And Geographic Information Big Data, Eighth Geological Brigade of Shandong Geological and Mineral Exploration and Development Bureau filed Critical Rizhao Emergency Management Bureau
Priority to CN202310335204.XA priority Critical patent/CN116582521A/en
Publication of CN116582521A publication Critical patent/CN116582521A/en
Pending legal-status Critical Current

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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
    • H04L65/10—Architectures or entities
    • H04L65/1059—End-user terminal functionalities specially adapted for real-time communication
    • 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
    • H04L65/10—Architectures or entities
    • H04L65/1063—Application servers providing network services
    • 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
    • H04L65/1101—Session protocols
    • H04L65/1108—Web based protocols, e.g. webRTC
    • 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
    • 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
    • H04L65/60—Network streaming of media packets

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

The invention provides a multi-user video-end conference data processing system and method, and belongs to the technical field of network communication. In the system, a video data processor processes data of a conference system and issues commands for deleting or storing the data; the conference gateway unit carries out network interconnection on different protocols in a conference system; the data monitoring unit is used for transmitting video data and monitoring the decoded data; the audio-video converging unit merges the video and the audio of the same decoded code stream; and the response object creating unit receives the related parameters of the video and the audio in the audio-video converging unit and collects and stores the related parameters. By the method, the instant messaging and multi-user video conference functions of the webpage end can be realized under the condition that the plug-in is not installed, so that the effort spent by people in installing and upgrading software or plug-in is effectively reduced, and the good cross-platform property and compatibility of the method are also convenient for work communication of people.

Description

Multi-user video-end conference data processing system and method
Technical Field
The invention relates to the technical field of network communication, in particular to a system and a method for processing conference data of a multi-user video terminal.
Background
The video conference system is a system device for two or more participants to mutually transmit sound, image and file data through a transmission line and multimedia equipment so as to realize instant communication and achieve conference effect. In video conferencing systems, communication and management of data is a central component thereof.
The existing video communication software is mostly an independent application program based on a C/S framework which is required to be installed on equipment, the installation and upgrading work of different clients is very troublesome for users, and most of instant communication video systems directly based on Web browsers are required to install plug-ins, so that the advantages of Web applications cannot be reflected.
Disclosure of Invention
Aiming at the technical defects of the prior art, the invention provides a multi-user video conference data processing system and a multi-user video conference data processing method, which are used for solving the technical problem that the installation and upgrading work of video communication software serving as an independent application program is complicated for users at present.
The invention solves the other technical problem that the instant messaging video system directly based on the Web browser mostly needs to install plug-ins and cannot embody the advantages of Web application.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
the multi-person video end conference data processing system comprises a video data processor, a conference gateway unit, a data monitoring unit, an audio-video converging unit and a response object creating unit;
the video data processor is used for processing the data of the conference system and issuing a command for deleting or storing the data;
a conference gateway unit for interconnecting networks of different protocols in the conference system;
the data monitoring unit is used for transmitting video data and monitoring the decoded data;
and the audio and video converging unit is used for merging the video and the audio of the same decoded code stream, unifying the video and the audio, determining the size in the audio and video transmission process through a file calculation formula, wherein the file calculation formula is as follows:
W＝(Q 1 /8+Q 2 (8) M, wherein Q1 is an audio code rate, Q2 is a video code rate, and M is a video length;
judging the congestion degree of the network through a packet loss calculation formula, wherein the packet loss calculation formula is as follows:
the AZ (HX) is a bandwidth estimated value at the moment of HX, delay gradient can be calculated through appointed time receiving delay and sending interval, further the bandwidth estimated value is calculated, and the packet loss rate of a receiving end is obtained through bandwidth numerical feedback;
and the response object creating unit is used for receiving the related parameters of the video and the audio in the audio-video converging unit and collecting and storing the related parameters.
Preferably, the system further comprises a connection object creation unit, a data transmission unit, a video decoding unit, an audio decoding unit, a Signal server and a data storage unit;
the connection object creating unit collects video and audio under different code streams input from the conference gateway unit and compresses data of the video and audio in a centralized way;
the data transmission unit is used for receiving the data acquired in the connection object creation unit and transmitting the data downwards;
a video decoding unit decoding the compressed video;
an audio decoding unit decoding the compressed audio;
the Signal server is used for communicating audio and video data between the response object creation unit and the connection object creation unit;
and the data storage unit is used for storing the audio and video data information.
Preferably, the output ends of the video data processor are connected with the input ends of the data storage unit, the conference gateway unit, the data monitoring unit, the audio-video converging unit, the response object creating unit, the connection object creating unit, the data conveying unit, the video decoding unit and the audio decoding unit, the output end of the conference gateway unit is connected with the input end of the connection object creating unit, the output end of the connection object creating unit is connected with the input end of the data conveying unit, the output ends of the data conveying unit are connected with the input ends of the video decoding unit and the audio decoding unit, the output ends of the video decoding unit, the audio decoding unit and the response object creating unit are connected with the input ends of the Signal server, the output end of the Signal server is connected with the input ends of the data monitoring unit and the connection object creating unit, and the output end of the audio-video converging unit is connected with the input end of the response object creating unit.
A multi-person video end conference data processing method comprises the following steps:
s1, a client A firstly creates a PeerConnection object;
s2, the client A calls a CreateOffer method of Peerconnection to create a business release platform object for offer;
s3, the client B receives the offer service release platform object sent by the client A;
s4, the client A receives the response service release platform object sent by the client B.
Preferably, step S1 includes: the client A firstly creates a PeerConnection object, then opens local audio equipment, packages audio and video data into a MediaStream, and adds the MediaStream into the PeerConnection.
Preferably, step S2 includes: the client A creates a service release platform object for the transfer by calling the createoff method of the Peerconnection, and relevant parameters of the current audio and video are stored in the service release platform object, and stores the service release platform object by the SetLocalDescription method of the Peerconnection, and sends the service release platform object to the client B by the Signal server.
Preferably, in the step S2, in the offer/answer flow, the Client a and the Client B have created corresponding audio channels and video channels according to the service release platform information and started collection of Candidate data, where the Candidate data can be understood as IP address information of the Client, and the IP address information includes a local IP address, a public network IP address, and an address allocated by the Relay server.
Preferably, after the client a collects the Candidate information, the PeerConnection sends a notification to the client a through the ondencyclopedic interface, the client a sends the received Candidate information to the client B through the Signal server, the client B stores the received Candidate information through the AddIceCandidate method of the PeerConnection, the operation on the method is suitable for the information transmission from the client B to the client a, meanwhile, the client a and the client B establish a P2P channel for audio and video transmission, the client B receives the audio and video stream transmitted by the client a, returns a MediaStream object for identifying the audio and video stream of the client a through the ondencyclopedic interface, and then renders through the client B, and the operation on the MediaStream object is also suitable for the audio and video stream transmission from the client B to the client a.
Preferably, step S3 includes: the client B receives the offer service release platform object sent by the client A, saves the offer service release platform object through a SetRemoteDescription method of PeerConnection, calls a CreateAnswer method of PeerConnection to create a response service release platform object, saves the response service release platform object through a SetLocalDescription method of PeerConnection, and sends the response service release platform object to the client A through a Signal server.
Preferably, step S4 includes: and the client A receives the response service release platform object sent by the client B and stores the response service release platform object through a SetRemoteDescription method of PeerConnection.
The invention provides a multi-user video-end conference data processing system and a method, which have the following beneficial effects compared with the prior art:
1. according to the multi-user video-end conference data processing system and method, the audio and video chatting function is directly realized through the Web page of the browser by using the WebRTC protocol, and because the WebRTC project is open-source, the audio and video chatting function can be quickly built by means of the WebRTC source code, so that the powerful capability of boring holes is embodied.
2. According to the multi-user video-end conference data processing system and method, the instant messaging and multi-user video-end conference functions of the webpage end can be realized under the condition that the plug-in is not installed, so that the effort spent by people in installing upgrading software or plug-in is effectively reduced, and the good cross-platform performance and compatibility of the multi-user video-end conference data processing system and method are also convenient for work communication of people.
Drawings
Fig. 1 is a block diagram of a multi-person video-end conference data processing system of the present invention.
FIG. 2 is a block diagram of a video flow for WebRTC implementation provided by the present invention.
Fig. 3 is a flow chart of a method for processing conference data at a multi-person video end.
Detailed Description
Hereinafter, embodiments of the present invention will be described in detail. In order to avoid unnecessary detail, well-known structures or functions will not be described in detail in the following embodiments. Approximating language, as used in the following examples, may be applied to create a quantitative representation that could permissibly vary without resulting in a change in the basic function. Unless defined otherwise, technical and scientific terms used in the following examples have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
Example 1
Referring to fig. 1, a multi-person video-end conference data processing system includes a video data processor, a conference gateway unit, a data monitoring unit, an audio-video converging unit and a response object creating unit;
the video data processor is used for processing the data of the conference system and issuing a command for deleting or storing the data;
a conference gateway unit for interconnecting networks of different protocols in a conference system;
a data monitoring unit for monitoring the decoded data for transmission of video data;
and the audio and video converging unit is used for merging the video and the audio of the same decoded code stream, unifying the video and the audio, determining the size in the audio and video transmission process through a file calculation formula, wherein the file calculation formula is as follows:
W＝(Q 1 /8+Q 2 (8) M, wherein Q1 is an audio code rate, Q2 is a video code rate, and M is a video length;
judging the congestion degree of the network through a packet loss calculation formula, wherein the packet loss calculation formula is as follows:
the AZ (HX) is a bandwidth estimated value at the moment of HX, delay gradient can be calculated through appointed time receiving delay and sending interval, further the bandwidth estimated value is calculated, and the packet loss rate of a receiving end is obtained through bandwidth numerical feedback;
and the response object creating unit is used for receiving the related parameters of the video and the audio in the audio-video converging unit and collecting and storing the related parameters.
In this embodiment, the apparatus further includes a connection object creation unit, a data transfer unit, a video decoding unit, an audio decoding unit, a Signal server, and a data storage unit;
the connection object creating unit is used for collecting video and audio under different code streams input from the conference gateway unit and enabling data of the video and the audio to be compressed in a centralized way;
the data transmission unit is used for receiving the data acquired in the connection object creation unit and transmitting the data downwards;
a video decoding unit decoding the compressed video;
an audio decoding unit decoding the compressed audio;
the Signal server is used for realizing the communication of audio and video data between the response object creation unit and the connection object creation unit, realizing the expansion of the multi-person video conference, and converging video and audio through the video decoding unit, the audio decoding unit and the audio and video converging unit of the system, so that the video conference shows the unification of figures and sounds and is convenient for a plurality of persons to communicate;
and the data storage unit is used for storing the audio and video data information.
In this embodiment, the output ends of the video data processor are connected to the input ends of the data storage unit, the conference gateway unit, the data monitoring unit, the audio-video converging unit, the response object creating unit, the connection object creating unit, the data transmitting unit, the video decoding unit and the audio decoding unit, the output end of the conference gateway unit is connected to the input end of the connection object creating unit, the output end of the connection object creating unit is connected to the input end of the data transmitting unit, the output end of the data transmitting unit is connected to the input ends of the video decoding unit and the audio decoding unit, the output ends of the video decoding unit, the audio decoding unit and the response object creating unit are connected to the input ends of the Signal server, the output end of the Signal server is connected to the input ends of the data monitoring unit and the connection object creating unit, and the output end of the audio-video converging unit is connected to the input end of the response object creating unit.
Example 2
Referring to fig. 2-3, the present embodiment provides a technical solution based on the first embodiment: the multi-person video-end conference data processing system also comprises a multi-person video-end conference data processing method, which comprises the following steps:
s1, a client A firstly creates a PeerConnection object: firstly, a client A creates a PeerConnection object, then opens local audio equipment, encapsulates audio and video data into media stream, and adds the media stream into the PeerConnection;
s2, the client A calls a CreateOffer method of Peerconnection to create a business release platform object for offer: creating a service release platform object for the transfer by the client A through calling a createoff method of the Peerconnection, storing relevant parameters of the current audio and video in the service release platform object, storing the service release platform object by the client A through a SetLocalDescription method of the Peerconnection, and sending the service release platform object to the client B through a Signal server;
s3, the client B receives the offer service release platform object sent by the client A: the method comprises the steps that a client B receives an offer service release platform object sent by a client A, stores the offer service release platform object through a SetRemoteDescription method of PeerConnection, calls a CreateAnswer method of PeerConnection to create a response service release platform object, stores the response service release platform object through a SetLocalDescription method of PeerConnection, and sends the response service release platform object to the client A through a Signal server;
s4, the client A receives the response service release platform object sent by the client B: the client A receives the response service release platform object sent by the client B, stores the response service release platform object by a SetRemoteDescription method of PeerConnection, and directly realizes an audio and video chatting function through a Web page of a browser by using a WebRTC protocol.
In this embodiment, in the step S2, in the offer/answer flow, the Client a and the Client B have created corresponding audio channels and video channels according to the service release platform information and started collection of Candidate data, where the Candidate data may be understood as IP address information of the Client, and the IP address information includes a local IP address, a public network IP address, and an address allocated by the Relay server.
In this embodiment, after the client a collects the Candidate information, the PeerConnection sends a notification to the client a through the ondencyclopedic interface, the client a sends the received Candidate information to the client B through the Signal server, the client B stores the received Candidate information through the AddIceCandidate method of the PeerConnection, the operation on the process is suitable for the information transmission from the client B to the client a, meanwhile, the client a and the client B establish a P2P channel for audio and video transmission, the client B receives the audio and video stream transmitted by the client a, returns a MediaStream object identifying the audio and video stream of the client a through the ondencyclopedic interface of the PeerConnection, and then renders through the client B, and the operation on the MediaStream object is also suitable for the audio and video stream transmission from the client B to the client a.
In this embodiment, the main codes are as follows:
s1, establishing a connection relation between a client A and a client B:
*/
import{Component，Ref，Vue}from'vue-property-decorator'
@Component
export default class Online1to1 extends Vue{
message＝”
messages:Array<{sender:string，message:string}>＝[]
a/home agent
peer:RTCPeerConnection＝new RTCPeerConnection(configuration：{
A/ice service for network penetration
iceServers:[
{urls:'turn:numb.yiagenie.ca'，credential:123456'，username:'2690363124@qq.com'}
]
})
dataChannel！:RTCDataChannel
candidateArr:Array<RTCIceCandidate>＝[]
mediaStream！:MediaStream
@Ref(refKey:'localVideo)localVideo！:HTMLVideoElement ORef(refKey:'remoteVideo')remoteVideo！:HTMLVideoElement
/**
* Acquiring a local media stream and adding the local media stream to a local proxy
*areturns{Promise<void>}
*/
async createMediaStream():Promise<void>{
const{localVideo，peer}＝this
this.mediaStream＝awaitnavigator.mediaDevices.getUserMedia(constraints:{
audio:true，
video:true
})
localVideo.srcObject＝this.mediaStream
localVideo.onloadedmetadata＝async＝>{
await localVideo.play()
}；
S2, receiving a peer-to-peer video stream between the client A and the client B:
s3, monitoring response of the waiting end:
by the method, the instant messaging and multi-user video conference functions of the webpage end can be realized under the condition that the plug-in is not installed, so that the effort spent by people in installing and upgrading software or plug-in is effectively reduced, and the good cross-platform property and compatibility of the method also provide convenience for work communication of people.
And all that is not described in detail in this specification is well known to those skilled in the art.
The foregoing describes the embodiments of the present invention in detail, but the description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the scope of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The multi-person video end conference data processing system is characterized by comprising a video data processor, a conference gateway unit, a data monitoring unit, an audio-video converging unit and a response object creating unit;
the video data processor is used for processing the data of the conference system and issuing a command for deleting or storing the data;
a conference gateway unit for interconnecting networks of different protocols in the conference system;
the data monitoring unit is used for transmitting video data and monitoring the decoded data;
the audio and video converging unit is used for merging the video and the audio of the same decoded code stream, unifying the video and the audio, and determining the size in the audio and video transmission process through a file calculation formula;
and the response object creating unit is used for receiving the related parameters of the video and the audio in the audio-video converging unit and collecting and storing the related parameters.
2. The multi-person video-end conference data processing system according to claim 1, further comprising a connection object creation unit, a data delivery unit, a video decoding unit, an audio decoding unit, a Signal server, and a data storage unit;
the connection object creating unit collects video and audio under different code streams input from the conference gateway unit and compresses data of the video and audio in a centralized way;
the data transmission unit is used for receiving the data acquired in the connection object creation unit and transmitting the data downwards;
a video decoding unit decoding the compressed video;
an audio decoding unit decoding the compressed audio;
the Signal server is used for communicating audio and video data between the response object creation unit and the connection object creation unit;
and the data storage unit is used for storing the audio and video data information.
3. A multi-person video-side conferencing data processing system in accordance with claim 2 wherein: the output end of the video data processor is connected with the input ends of the data storage unit, the conference gateway unit, the data monitoring unit, the audio and video converging unit, the response object creating unit, the connection object creating unit, the data conveying unit, the video decoding unit and the audio decoding unit, the output end of the conference gateway unit is connected with the input end of the connection object creating unit, the output end of the connection object creating unit is connected with the input end of the data conveying unit, the output end of the data conveying unit is connected with the input ends of the video decoding unit and the audio decoding unit, the output ends of the video decoding unit, the audio decoding unit and the response object creating unit are connected with the input ends of the Signal server, the output end of the Signal server is connected with the input ends of the data monitoring unit and the connection object creating unit, and the output end of the audio and video converging unit is connected with the input end of the response object creating unit.
4. The method for processing the conference data of the multi-person video end is characterized by comprising the following steps:
s1, a client A firstly creates a PeerConnection object;
s2, the client A calls a CreateOffer method of Peerconnection to create a business release platform object for offer;
s3, the client B receives the offer service release platform object sent by the client A;
s4, the client A receives the response service release platform object sent by the client B.
5. The method for processing multi-person video-side conference data according to claim 4, wherein step S1 comprises: the client A firstly creates a PeerConnection object, then opens local audio equipment, packages audio and video data into a MediaStream, and adds the MediaStream into the PeerConnection.
6. The method for processing multi-person video-side conference data according to claim 4, wherein step S2 comprises: the client A creates a service release platform object for the transfer by calling the createoff method of the Peerconnection, and relevant parameters of the current audio and video are stored in the service release platform object, and stores the service release platform object by the SetLocalDescription method of the Peerconnection, and sends the service release platform object to the client B by the Signal server.
7. The method for processing multi-user video conference data according to claim 6, wherein in step S2, in the offer/answer flow, the Client a and the Client B have created corresponding audio channels and video channels according to the service release platform information and start collection of Candidate data, and the Candidate data can be understood as IP address information of the Client, where the IP address information includes a local IP address, a public IP address, and an address allocated by a Relay server.
8. The method for processing multi-user video conference data according to claim 7, wherein after the client a collects the Candidate information, the peer connection sends a notification to the client a through an ondencyclopedic interface, the client a sends the received Candidate information to the client B through a Signal server, the client B stores the received Candidate information through a peer connection addicycarpidate method, the operation on the server is suitable for the information transmission from the client B to the client a, meanwhile, the client a and the client B establish a P2P channel for audio and video transmission, the client B receives the audio and video stream transmitted by the client a, returns a MediaStream object identifying the audio and video stream of the client a through an ondansuch interface of the peer connection, and then renders the media stream object through the client B, and the operation on the media stream object is also suitable for the audio and video stream transmission from the client B to the client a.
9. The method for processing multi-person video-side conference data according to claim 4, wherein step S3 comprises: the client B receives the offer service release platform object sent by the client A, saves the offer service release platform object through a SetRemoteDescription method of PeerConnection, calls a CreateAnswer method of PeerConnection to create a response service release platform object, saves the response service release platform object through a SetLocalDescription method of PeerConnection, and sends the response service release platform object to the client A through a Signal server.
10. The method for processing multi-person video-side conference data according to claim 4, wherein step S4 comprises: and the client A receives the response service release platform object sent by the client B and stores the response service release platform object through a SetRemoteDescription method of PeerConnection.
CN202310335204.XA 2023-03-31 2023-03-31 Multi-user video-end conference data processing system and method Pending CN116582521A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN202310335204.XA CN116582521A (en) 2023-03-31 2023-03-31 Multi-user video-end conference data processing system and method

Publications (1)

Publication Number Publication Date
CN116582521A true CN116582521A (en) 2023-08-11

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Country Status (1)

Country Link
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