WO2021073155A1 - Procédé, appareil et dispositif de visioconférence, et support de stockage - Google Patents

Procédé, appareil et dispositif de visioconférence, et support de stockage Download PDF

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Publication number
WO2021073155A1
WO2021073155A1 PCT/CN2020/099236 CN2020099236W WO2021073155A1 WO 2021073155 A1 WO2021073155 A1 WO 2021073155A1 CN 2020099236 W CN2020099236 W CN 2020099236W WO 2021073155 A1 WO2021073155 A1 WO 2021073155A1
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WIPO (PCT)
Prior art keywords
video conference
data
format
video
connection
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PCT/CN2020/099236
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English (en)
Chinese (zh)
Inventor
洪凌毅
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平安科技（深圳）有限公司
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Publication of WO2021073155A1 publication Critical patent/WO2021073155A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/15—Conference systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
    • H04N7/147—Communication arrangements, e.g. identifying the communication as a video-communication, intermediate storage of the signals

Definitions

  • the embodiments of the present application relate to the field of smart city technology, and in particular, to video conference methods, devices, equipment, and storage media.
  • Video conferences usually use video conference systems, which require the purchase of a large number of video conference hardware equipment, including terminal equipment, server equipment, and high equipment prices and maintenance costs.
  • video conferencing terminal equipment must be deployed in a dedicated conference room, and meeting users must hold meetings at an agreed time and place. It is impossible to use the Internet for mobile meetings anytime and anywhere, which is inconvenient to use.
  • the embodiments of the present application provide a video conference method, device, computer equipment, and computer-readable storage medium, which are used to solve the problem that Internet conferences and video conferences cannot communicate with each other.
  • a video conference method includes:
  • a first connection between the first video conference device and the network device is established, and first connection information is generated.
  • the first connection information includes the connected user information of the first video conference device and the information of the local media in the first video conference device.
  • Media stream description
  • Control the second video conference device and/or the first video conference device to parse the first video conference data and/or the second video conference data to display the data corresponding to the first video conference data and/or the second video conference data Video conference content.
  • an embodiment of the present application further provides a video conference device, which includes:
  • the first connection establishment module is configured to establish a first connection between a first video conference device and a network device, and generate first connection information, where the first connection information includes the connected user information of the first video conference device and the first connection 1.
  • a second connection establishment module configured to establish a second connection between the network device and the second video conference device according to the first connection information
  • a video conference data transmission module configured to obtain the first video conference data of the first video conference device and/or the second video conference data of the second video conference device through the first connection and the second connection;
  • the video conference data conversion module is configured to convert the first video conference data into an analytic format corresponding to the second video conference device, and/or convert the second video conference data into an analysis format corresponding to the first video conference device Parsing format
  • the control video conference data display module is used to control the second video conference device and/or the first video conference device to parse the first corresponding video conference data and/or the second video conference data to display the first video conference The data and/or the video conference content corresponding to the second video conference data.
  • embodiments of the present application also provide a computer device, the computer device including a memory, a processor, and a computer program stored on the memory and running on the processor, and the processor executes the following steps :
  • a first connection between the first video conference device and the network device is established, and first connection information is generated.
  • the first connection information includes the connected user information of the first video conference device and the information of the local media in the first video conference device.
  • Media stream description
  • Control the second video conference device and/or the first video conference device to parse the first video conference data and/or the second video conference data to display the data corresponding to the first video conference data and/or the second video conference data Video conference content.
  • the embodiments of the present application also provide a computer-readable storage medium having a computer program stored in the computer-readable storage medium, and the computer program may be executed by at least one processor, so that the at least A processor performs the following steps:
  • a first connection between the first video conference device and the network device is established, and first connection information is generated.
  • the first connection information includes the connected user information of the first video conference device and the information of the local media in the first video conference device.
  • Media stream description
  • Control the second video conference device and/or the first video conference device to parse the first video conference data and/or the second video conference data to display the data corresponding to the first video conference data and/or the second video conference data Video conference content.
  • the video conferencing method, device, computer equipment, and computer-readable storage medium provided by the embodiments of the application can realize the conversion between web page session and traditional video conferencing system, and the conversion between web page data and video conference data can be realized by enterprises. It is more convenient for internal and external users to hold video conferences through the audio and video communication between the web pages of mobile phones and PC browsers and the video conference system. By accessing the existing video conference system of the enterprise, some unrealized functions in mobile conferences are enriched, such as Remote desktop sharing, whiteboard sharing, PPT document/media data presentation, fixed phone/mobile access, etc., learn from each other while avoiding waste of corporate resources.
  • FIG. 1 is a flowchart of the steps of the video conference method according to the first embodiment of the application
  • FIG. 2 is a schematic diagram of program modules of the second embodiment of the computer equipment of this application.
  • Fig. 3 is a schematic diagram of the hardware structure of the third embodiment of the computer equipment of the present application.
  • FIG. 4 is a schematic diagram of the step flow of step S108.
  • FIG. 1 shows a flowchart of the steps of a video conference method according to an embodiment of the present application. It can be understood that the flowchart in this method embodiment is not used to limit the order of execution of the steps.
  • the following is an exemplary description with computer equipment as the main body of execution, and the details are as follows:
  • Step S100 Establish a first connection between a first video conference device and a network device, and generate first connection information, where the first connection information includes the connected user information of the first video conference device and the information in the first video conference device.
  • the media stream description of the local media is not limited to:
  • the first video conference device is a non-dedicated video conference device, including but not limited to computers, mobile phones, tablets, and other terminals that support video conferences, and the network devices include, but are not limited to, routers and switches with gateways, etc. .
  • the user inputs user information through the webpage of the browser of the first video conference device to initiate a request for establishing the first connection, and the gateway controls the webpage to send verification information to the gateway.
  • the verification information includes the user login name and password, and the gateway verifies the user login name and password.
  • the gateway continues to process the request for establishment of the first connection, and if the verification fails, the request for establishment of the first connection is rejected.
  • the gateway After the gateway receives the request for establishing the first connection, it generates first connection information, where the first connection information includes the connection user information and the media stream description of the local media.
  • the media stream description of the local media refers to the media stream description of the first video conference device, and the connected user information carries the number of the second video conference device selected by the user in initiating the first connection establishment request. Select the second video conference device that needs to be used.
  • the local media stream description includes the name and purpose of the session, the time segment of the session activation, the media that constitutes the session, the bandwidth information used by the session, the contact information of the person in charge of the session, and the media Information
  • the media information includes: media type (video, audio, etc.), media transfer protocol (RTP/UDP/IP H.320, etc.), media format (H.264 video, MPEG video, etc.), media address and port, etc. .
  • Step S102 Establish a second connection between the network device and the second video conference device according to the first connection information.
  • the second video conference device is a dedicated video conference device.
  • the gateway receives the first connection information and obtains the serial number of the second video conference device according to the connected user information, and obtains the audio and video encoding of the web page through the media stream description on the web page.
  • the connected user information is: offer from user ZHOUQIAN001 to polycom1995217, the number of the second video conference terminal selected here is 1995217; the media stream description is
  • the gateway extracts from the media stream description to obtain the audio encoding format supported by the web page as g.711/isac/opus,
  • the video encoding format is vp8/vp9/h.264baseline. It can be seen that the audio encoding format supported by the second video device end is only G.711 encoding, and the video encoding format is only H.264 encoding.
  • the gateway initiates an H.323 call to the second video conferencing device according to the G.711 and H.264 encoding.
  • the H.323 protocol uses binary-based The ASN.1 coding specification is used to package signaling messages.
  • the H.323 protocol is a protocol suite, including H.225 and H.245 protocols.
  • the H.225 protocol is used to establish call signaling channels.
  • the H.245 protocol is used to negotiate media channel parameters to prepare for the transmission of multimedia information.
  • the gateway first sends the H.225 text format setup message in the H.323 protocol suite and converts it to the ASN.1 binary format.
  • the setup message is sent to the second video conference device, the setup message is an initialization message used by the caller to establish a call, and the setup message includes the gateway number, the second video conference end number, and the The video conference terminal IP address, port number, terminal identity, call identifier, send complete field and H.245 Tunnelling field, the second video conference device receives the H.225 protocol setup message, and returns H to the gateway .225 CS: alerting and CS: connectASN.1 binary format messages, translated into text H.225 CS: alerting and CS: connect text format messages, sent to the gateway, the alerting message and the connect message are the second The video conference device sends it to indicate that the second video conference device is ready, and the alerting message includes the IP address, port number, H.245 Tunnelling field, and the second video conference device for establishing an H.245 connection to the second video conference device.
  • the video conference device identity field, the connect message indicates that the second video conference device has accepted the call from the gateway, and the connect message includes the IP address and port for establishing the H.245 connection to the second video conference device Number, H.245 Tunnelling field, call identifier, and the second video conference device identity field.
  • the gateway and the second video conferencing device conduct capability negotiation through the H.245 protocol.
  • the H.245 capability negotiation includes processes such as capability exchange, master-slave determination, and logical channel establishment.
  • the capability exchange process refers to the After the gateway receives the connect message, it is the first process to be executed.
  • the capability exchange process is that the two parties in communication understand each other's receiving and sending capabilities.
  • the receiving capability defines the sending mode of the opposite end, and the sending capability specifies the negotiation range of the desired mode of the opposite end requesting to receive signals.
  • the logical channel is activated by the second video conference device, and the second video conference device sends an open logical channel message to the gateway, and the open logical channel message includes the logical channel number from the second video conference device to the gateway and The first channel parameter, where the first channel parameter includes the transport layer address from the gateway to the second video conference device; after the gateway receives the open logical channel message, it sends back an open logical channel confirmation message, the open logical channel confirmation
  • the message includes the logical channel number from the gateway to the second video conference device and the second channel parameter, and the second channel parameter includes the transport layer address from the second video conference device to the gateway.
  • the gateway sends the media stream description of the web page terminal to the second video conference terminal according to the acquired audio and video coding format.
  • the gateway converts the media stream description of the web page into an H.245 media capability negotiation message and forwards it to the second video conference end, and the gateway extracts the audio encoding G.711 and G.711 and that are supported by both parties.
  • the second video conference terminal returns an audio and video message supported by the gateway, and the gateway extracts a corresponding media stream description that conforms to the audio and video encoding format of the web page terminal and sends it to the second video conference terminal to establish the gateway terminal Connection with the second video conference terminal.
  • the second video conference terminal returns to the gateway to parse a binary message, extracts the G.711 and H.264 encoding capabilities supported by the web page, and discards the unsupported G.722/G.723/G .729 and other codes, generate an open logical channel message and return it to the gateway.
  • the gateway After receiving the open logical channel message, the gateway sends an open logical channel confirmation message to the second video conference end, and the media capability negotiation between the two parties is completed. , The gateway successfully establishes the second connection with the second video conference device.
  • Step S104 Obtain the first video conference data of the first video conference device and/or the second video conference data of the second video conference device through the first connection and the second connection.
  • the video conference data in the first format obtained by the first video conference device is transmitted to the network device, or the video conference data in the second format obtained by the second video conference device is transmitted to the network device through the second connection. Mentioned network equipment.
  • the video conference data in the first format or the video conference data in the second format is encrypted and sent to the network device.
  • Step S106 Convert the first video conference data into an analytical format corresponding to the second video conference device, and/or convert the second video conference data into an analytical format corresponding to the first video conference device.
  • the video conference data in the first format is converted into video conference data in the second format and sent to a second video conference device, or the video conference data in the second format is converted into video conference data in the first format and sent to The first video conference equipment.
  • the video conference data in the first format After decrypting the video conference data in the first format, it is converted into video conference data in the second format and sent to the video conference device in the second format, or the video conference data in the second format is decrypted and converted into video in the first format.
  • the conference data is sent to the video conference device in the first format.
  • the media stream format corresponding to the second video conference device is a media stream in RTP format
  • the second video conference device sends the media stream in RTP format to the gateway
  • the RTP includes a media format for identifying the media format.
  • the media stream corresponding to the web page side is an SRTP format media stream, and the web page side sends SRTP format media to the gateway. flow.
  • the format of the SRTP packet is the same as that of the RTP header. The difference is that the media load part is encrypted in different ways.
  • the gateway acts as a media stream proxy, and the gateway transfers the media stream in the RTP format from the second video conference device. Unpack, remove the RTP packet header, and decrypt the remaining packet load according to the session negotiated on the web page, then add the RTP packet header again, package it into SRTP format and forward it to the web page; unpack the media stream in SRTP format from the web page, and remove The SRTP packet header, the remaining packet load is decrypted according to the session negotiated by the second video conference device, the RTP packet header is added again, and it is packaged into an RTP format and forwarded to the second video conference device.
  • Step S108 Control the second video conference device and/or the first video conference device to parse the corresponding video conference data and/or the second video conference data to display the first video conference data and/or the second video conference The video conference content corresponding to the data.
  • step S108 may further include:
  • S108A Separate the decrypted video conference data in the first format or the video conference data in the second format into audio stream compression coded data and video stream compression coded data;
  • the video conference data includes audio data and video data
  • the second format video conference data also includes data such as PPT document presentation, media material presentation, whiteboard sharing, and fixed-line, mobile phone access.
  • S108C Synchronize the uncompressed audio raw data and the uncompressed video raw data, and send the uncompressed audio raw data and the uncompressed video raw data to the first video conference device or the second video conference equipment.
  • the uncompressed audio original data and the uncompressed video original data are synchronized, and the uncompressed
  • the audio raw data and the uncompressed video raw data are sent to the graphics card and sound card of the system for playback.
  • the embodiment of the application develops a video conference method to realize the conversation between the web page session and the traditional video conference system, and can realize the audio and video communication between the web page page and the video conference system through the mobile phone and PC browser of the users inside and outside the enterprise.
  • Video conferencing is more convenient. By accessing the company's existing video conferencing system, some unrealized functions in mobile meetings are enriched, such as remote desktop sharing, whiteboard sharing, PPT document/media presentation, fixed phone/mobile access, etc. , Learn from each other while avoiding waste of enterprise resources.
  • FIG. 2 shows a schematic diagram of program modules of the video conference device of the present application.
  • the video conference device 20 may include or be divided into one or more program modules, and the one or more program modules are stored in a storage medium and executed by one or more processors to complete the present invention. Apply, and realize the above-mentioned video conference method.
  • the program module referred to in the embodiments of the present application refers to a series of computer program instruction segments capable of completing specific functions, and is more suitable for describing the execution process of the video conference device 20 in the storage medium than the program itself. The following description will specifically introduce the functions of each program module in this embodiment:
  • the first connection establishment module 200 is configured to establish a first connection between a first video conference device and a network device, and generate first connection information.
  • the first connection information includes the connected user information of the first video conference device and the The media stream description of the local media in the first video conference device;
  • first connection establishment module 200 is also used to control the first video conference device to send verification information to the network device;
  • the second connection establishment module 202 is configured to establish a second connection between the network device and the second video conference device according to the first connection information
  • the video conference data transmission module 204 is configured to obtain the first video data of the first video conference device and/or the second video conference data of the second video conference device through the first connection and the second connection;
  • the video conference data transmission module 204 is configured to transmit the video conference data in the first format obtained by the first video conference device to the network device, or transmit the second video conference device through the second connection The acquired video conference data in the second format to the network device;
  • the video conference data transmission module 204 is further configured to encrypt the video conference data in the first format and send it to the network device, and encrypt the video conference data in the second format and send it to the network device.
  • the video conference data conversion module 206 is configured to convert the first video conference data into an analytic format corresponding to the second video conference device and/or convert the second video conference data into an analysis format corresponding to the first video conference device Parsing format
  • the video conference data conversion module 206 is configured to convert the first format video conference data into a second format video conference data and send it to a second video conference device, or convert the second format video conference data The video conference data in the first format is sent to the first video conference device.
  • the video conference data conversion module 206 is further configured to decrypt the video conference data in the first format and send it to the second format video conference device, and decrypt the video conference data in the second format and send it to the first format.
  • Format video conferencing equipment
  • the control video conference data display module 208 is used to control the second video conference device and/or the first video conference device to parse the first video conference data and/or the second video conference data to display the first video conference data And/or the video conference content corresponding to the second video conference data.
  • control video conference data display module 208 is further configured to separate the decrypted video conference data in the first format or the video conference data in the second format into audio stream compression coded data and video stream compression coded data;
  • the uncompressed audio raw data and the uncompressed video raw data are synchronized, and the uncompressed audio raw data and the uncompressed video raw data are sent to the first video conference device or the second video conference device.
  • the computer device 2 is a device that can automatically perform numerical calculation and/or information processing in accordance with pre-set or stored instructions.
  • the computer device 2 may be a rack server, a blade server, a tower server, or a cabinet server (including an independent server or a server cluster composed of multiple servers).
  • the computer equipment 2 at least includes, but is not limited to, a memory 21, a processor 22, a network interface 23, and a video conference device 20 that can communicate with each other through a system bus. among them:
  • the memory 21 includes at least one type of computer-readable storage medium.
  • the readable storage medium includes flash memory, hard disk, multimedia card, card-type memory (for example, SD or DX memory, etc.), random access memory ( RAM), static random access memory (SRAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), programmable read-only memory (PROM), magnetic memory, magnetic disks, optical disks, etc.
  • the memory 21 may be an internal storage unit of the computer device 2, for example, a hard disk or a memory of the computer device 2.
  • the memory 21 may also be an external storage device of the computer device 2, for example, a plug-in hard disk, a smart memory card (Smart Media Card, SMC), and a secure digital (Secure Digital, SD) card, flash card (FlashCard), etc.
  • the memory 21 may also include both the internal storage unit of the computer device 2 and its external storage device.
  • the memory 21 is generally used to store an operating system and various application software installed in the computer device 2, for example, the program code of the video conference device 20 in the second embodiment.
  • the memory 21 can also be used to temporarily store various types of data that have been output or will be output.
  • the processor 22 may be a central processing unit (Central Processing Unit, CPU), a controller, a microcontroller, a microprocessor, or other data processing chips.
  • the processor 22 is generally used to control the overall operation of the computer device 2.
  • the processor 22 is used to run the program code or process data stored in the memory 21, for example, to run the video conference device 20, so as to implement the video conference method of the first embodiment.
  • the network interface 23 may include a wireless network interface or a wired network interface, and the network interface 23 is generally used to establish a communication connection between the computer device 2 and other electronic devices.
  • the network interface 23 is used to connect the computer device 2 with an external terminal through a network, and establish a data transmission channel and a communication connection between the computer device 2 and the external terminal.
  • the network may be an intranet (Intranet), the Internet (Internet), a global system of mobile communication (GSM), a wideband code division multiple access (WCDMA), 4G network, 5G Network, Bluetooth (Bluetooth), Wi-Fi and other wireless or wired networks.
  • FIG. 3 only shows the computer device 2 with components 20-23, but it should be understood that it is not required to implement all the components shown, and more or fewer components may be implemented instead.
  • the video conference device 20 stored in the memory 21 may also be divided into one or more program modules, and the one or more program modules are stored in the memory 21 and are composed of one or more program modules. Is executed by two processors (in this embodiment, the processor 22) to complete the application.
  • FIG. 2 shows a schematic diagram of program modules for implementing the second embodiment of the video conferencing device 20.
  • the video conferencing device 20 can be divided into a first connection establishment module 200 and a second connection establishment module. 202, a video conference data transmission module 204, a video conference data conversion module 206, and a control video conference data display module 208.
  • the program module referred to in the present application refers to a series of computer program instruction segments that can complete specific functions, and is more suitable than a program to describe the execution process of the video conference device 20 in the computer device 2.
  • the specific functions of the program modules 200-208 have been described in detail in the second embodiment, and will not be repeated here.
  • This embodiment also provides a computer-readable storage medium, such as flash memory, hard disk, multimedia card, card-type memory (for example, SD or DX memory, etc.), random access memory (RAM), static random access memory (SRAM), only Readable memory (ROM), electrically erasable programmable read-only memory (EEPROM), programmable read-only memory (PROM), magnetic memory, magnetic disks, optical disks, servers, App application malls, etc., on which computer programs are stored, The corresponding function is realized when the program is executed by the processor.
  • the computer-readable storage medium of this embodiment is used to store the video conferencing device 20, and when executed by a processor, the video conferencing method of the first embodiment is implemented.
  • the computer-readable storage medium may be non-volatile or volatile. .

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Telephonic Communication Services (AREA)

Abstract

L'invention concerne un procédé de visioconférence consistant à : établir une première connexion entre un premier dispositif de visioconférence et un dispositif réseau ; générer des premières informations de connexion ; établir, en fonction des premières informations de connexion, une seconde connexion entre le dispositif réseau et un second dispositif de visioconférence ; acquérir des premières données de visioconférence du premier dispositif de visioconférence et/ou des secondes données de visioconférence du second dispositif de visioconférence au moyen de la première connexion et de la seconde connexion ; convertir les données de visioconférence en formats d'analyse correspondant au premier dispositif de visioconférence et au second dispositif de visioconférence, et amener le premier dispositif de visioconférence et le second dispositif de visioconférence à analyser les données de visioconférence correspondantes afin de présenter la contenu de la visioconférence correspondante. L'invention concerne également un appareil et un dispositif de traitement de visioconférence, ainsi qu'un support de stockage. Les sessions de pages Web, les sessions d'un système de visioconférence traditionnel, et les communications audio et vidéo entre des utilisateurs situés à l'intérieur et à l'extérieur d'une entreprise et un système de visioconférence au moyen d'un téléphone mobile et d'une page Web d'un navigateur PC sont ainsi effectuées.
PCT/CN2020/099236 2019-10-16 2020-06-30 Procédé, appareil et dispositif de visioconférence, et support de stockage WO2021073155A1 (fr)

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