WO2023005487A1 - 音视频会议实现方法、音视频会议系统及相关装置 - Google Patents
音视频会议实现方法、音视频会议系统及相关装置 Download PDFInfo
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- H04L12/1813—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast for computer conferences, e.g. chat rooms
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- H04L51/07—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail characterised by the inclusion of specific contents
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Definitions
- the present application relates to the computer field, in particular to a method for implementing an audio-video conference, an audio-video conference system and related devices.
- the current audio and video conference mostly adopts a conference architecture based on Selective Forwarding Unit (SFU), which consists of a server and multiple terminals.
- SFU Selective Forwarding Unit
- the server receives the audio and video stream shared by a certain terminal in the conference room (that is, media data stream), the audio and video stream is directly forwarded to other terminals in the conference room.
- the present application provides an audio-video conference implementation method, an audio-video conference system and related devices, which greatly reduce the data distribution pressure of media source equipment such as the second interface machine. Therefore, it can support more participants, even millions of participants. At the same time, because the data distribution pressure during media data streaming is greatly reduced, all participants can open microphones or videos at the same time without redirection, and the experience is smooth. .
- the embodiment of the present application provides a method for implementing an audio and video conference, the method including:
- the source-returning device in the first device group receives the stream pull application of the first interface machine in the first device group, the stream pull application includes the first identification information of the media data stream, and the first device group is multiple Any device group in a device group, where there is a back-to-source device in each device group in the plurality of device groups, and each device group includes a plurality of interface machines, and each interface machine in the plurality of interface machines uses
- the conference access terminal is used to connect the conference access terminal, so that the conference access terminal accesses the conference room through the interface machine;
- the first interface machine is any interface machine in the first device group;
- the back-to-source device forwards the media data stream corresponding to the first identification information to the first interface machine, so that the first interface machine forwards the media data stream to the corresponding conference access terminal;
- the media data stream is obtained by the source-returning device in the first device group from the second interface machine in the second device group, and the conference access terminal that generates the media data stream accesses through the second
- the embodiment of the present application provides an audio and video conference implementation device, the device includes a receiving unit and a forwarding unit:
- the receiving unit is configured to receive a streaming application of a first interface machine in a first device group, where the streaming request includes first identification information of a media data stream, and the first device group is one of multiple device groups any device group, each of the multiple device groups has a back-to-source device, and each device group includes a plurality of interface machines, and each of the multiple interface machines is used to connect to the conference interface an access terminal, so that the conference access terminal accesses the conference room through an interface machine; the first interface machine is any interface machine in the first device group;
- FIG. 4b is a structural diagram of a data transmission network provided by an embodiment of the present application.
- the first interface machine can send a pull stream application.
- the stream pulling application may include first identification information of the media data stream, and the first identification information identifies the media data stream of the media data it has subscribed to, so that the back-to-source device knows which media data stream needs to be pulled.
- the first interface machine may be an interface machine connected to a conference access terminal corresponding to a user who has subscribed to the media data. That is to say, when the user on the first interface machine subscribes to the media data of a certain interface machine, the first interface machine is triggered to send a streaming request to the source-back device in the first device group.
- the interface diagram of the video conference based on the implementation method of the audio and video conference provided by the embodiment of the present application and the audio and video conference system can be shown in FIG. Icons of function keys (such as microphone icon, camera icon, management member icon, leaving meeting icon, etc.), the participants who turn on the microphone can display the icon of the microphone, and the participants who do not turn on the microphone can draw a line on the icon of the microphone slash.
- a very large-scale conference is realized.
- the upper limit of the number of people entering the conference can be 50,000, that is, 50,000 management members.
- Node A traverses the local registration list (the first conference registration list saved on node A), and sends the notification message to all servers in the group, such as node B, node C, node D, node E, node F, node g.
- Node B, Node C, Node D, Node E, Node F, and Node G receive the notification message, traverse the local registration list (each as the second conference registration list stored on the server in the group), and send the notification message to all interface machines , such as node a, node b, node c, node d, node e, node f, node g, node o, node p, node q, node r, and node s in FIG. 6 .
- node b shown in Figure 6 is used as the third interface machine, if there are other nodes on node b that also request the above-mentioned conference participation list Page1, the conference participation list already exists on node B at this time, so There is no need to request the participant list from node A again. Therefore, node a sends a list pull request to node B, and node B searches in the local cache and finds Page1, which has not expired, and node B directly returns Page1 to node b.
- the audio-video conference implementation method provided by the embodiment of the present application relieves the management pressure of the central server through the servers in the group, and facilitates the realization of super-large-scale conferences.
- Node a, node f, and node g request the route selector from the scheduling system in Figure 6 (in order to minimize the delay, the scheduling system will allocate the same available zone router for the audio data stream of the same conference room), respectively
- the route selector represented by node B, node C and node D in Fig. 7 is obtained.
- Node a, node f, and node g forward the audio data stream to corresponding node B, node C, and node D respectively.
- Node B, node C, and node D will buffer the uplink audio data stream and report the energy value to the mixer.
- the mixer sorts the energy values, and selects the two audio data streams of node f and node g as the target audio data stream, and then informs node C and node D that node C and node D are the target interface machines.
- node C and node D receive the selection notification, they forward the corresponding target audio data stream to the mixer (the two-step delay is within 5ms), and the mixer mixes the received target audio data stream, and then sends
- the audio data stream after mixing is forwarded to node B, node C, and node D, and node B, node C, and node D send the audio data stream after mixing to node a, node f, and node g.
- Node a, node f, and node g perform SET internal forwarding.
- the bypass media processing function is implemented by using a robot (Robot) terminal entering the conference room to pull streams.
- Robot Robot
- the user business background starts a recording task through the application programming interface (Application Programming Interface, API), and the recording task system instantiates a Record Robot to simulate participants entering the meeting.
- Record Robot pulls the media data stream in the meeting to the local, mixes and transcodes it for recording.
- Record Robot uploads the recorded files to the designated storage (it can also upload some fragments regularly).
- MRA Robot When docking with a third-party conference device, as shown in Figure 8, the user business background starts an MRA (conference connector) Robot, and the MRA Robot enters the **conference (at this time, other participants can see this MRA Robot), MRA Robot also connects with third-party conference equipment through connection protocols (such as SIP or H323). MRA Robot pulls all the media data streams in the **conference locally, mixes the streams, and forwards them to the third-party conference equipment through the connection protocol. MRA Robot converts the media data stream sent from the third-party conference equipment into the private protocol of the private conference, and forwards it to other participants in the conference room through the media transmission network.
- 801 in FIG. 8 is a mobile conference terminal
- 802 is an intelligent conference room of ** conference room, which is used to access ** conference.
- the architecture shown in FIG. 9 can also be used to realize the interconnection between the data transmission network 301 and the public switched telephone network 305 . That is, the function of the mixing engine is jointly realized by the route selector and the robot involved in the bypass media processing system. Wherein, the route selector performs route selection based on the energy reported by the energy and the corresponding route selection decision.
- the embodiment of the present application also provides an audio and video conference implementation device, as shown in FIG. 10 , the device 1000 includes a receiving unit 1001 and a forwarding unit 1002:
- the forwarding unit 1002 is configured to:
- the receiving unit 1001 is further configured to receive the media data stream forwarded by the second interface machine according to the first identification information in the streaming application;
- the forwarding unit 1002 is further configured to:
- the source-returning device in the first device group is determined by the first interface machine according to a preset rule, and the preset rule allows the same media data stream to pass through the same source-returning device It is routed to the interface machine in the device group where it is located.
- the receiving unit 1001 is further configured to receive a registration request sent by the third interface machine, the third device group being the multiple Any device group in a device group, the third interface machine is any interface machine in the third device group;
- the sending unit is configured to send the registration request to the central server if no information about the conference room is found locally, so that the central server will send the second identifier of the server in the third device group to The information is recorded in the first meeting registration list, and the registration success information is returned to the server in the group in the third device group;
- the recording unit is configured to record the third identification information of the third interface machine in the second conference registration list
- the recording unit is further configured to record the third identification information of the third interface machine in the second conference registration list ;
- the returning unit is further configured to return the registration success information to the third interface machine.
- the receiving unit 1001 is further configured to receive a notification sent by the third interface machine information;
- the sending unit is configured to send the notification message to the central server, so that the central server sends the notification message to the server in the group of each device group, and the server in the group of each device group It is used to send the notification message to the interface machine successfully registered.
- the receiving unit 1001 is further configured to receive the list pulling request of the third interface machine;
- the sending unit is configured to send the list pull request to the central server if the participant list is not found locally;
- the receiving unit 1001 is further configured to receive the participant list sent by the central server;
- the sending unit is configured to send the conference participant list to the third interface machine.
- the sending unit is further configured to, if the participant list is found locally and the participant list has not expired, return the participant list to the third interface machine.
- the device further includes a selection unit and a sound mixing unit:
- the sending unit is also used to send the obtained multi-channel audio data stream to the mixer located in the same device group through the route selector in the mixing engine when the media data stream includes an audio data stream.
- the data streams are respectively from the fourth interface machines in different equipment groups;
- the selection unit is configured to select a target audio data stream from the multiple audio data streams through a mixer
- the sending unit is configured to send a selection notification to the target interface machine, and the target interface machine is an interface machine connected to the conference access terminal that generates the target audio data stream;
- the receiving unit 1001 is further configured to receive the target audio data stream sent by the target interface machine through the mixer;
- the mixing unit is configured to mix the target audio data stream
- the forwarding unit 1002 is further configured to forward the mixed audio data stream to the router corresponding to the fourth interface machine; the fourth interface machine includes the target interface machine;
- the sending unit is further configured to send the mixed audio data stream to the fourth interface machine through the router corresponding to the fourth interface machine, so that the fourth interface machine sends The other interface machines in the system forward the mixed audio data stream.
- the device further includes a processing unit:
- the processing unit is configured to pull the media data stream generated in the conference room through the robot terminal, and process the media data stream.
- the embodiment of the present application also provides an electronic device for implementing audio and video conferences.
- the electronic device may be a terminal, and the terminal is a smart phone as an example:
- FIG. 11 shows a block diagram of a partial structure of a smart phone related to the terminal provided by the embodiment of the present application.
- the smart phone includes: a radio frequency (English full name: Radio Frequency, English abbreviation: RF) circuit 1110, a memory 1120, an input unit 1130, a display unit 1140, a sensor 1150, an audio circuit 1160, a wireless fidelity (English full name: wireless fidelity, English abbreviation: WiFi) module 1170 , processor 1180 , power supply 1190 and other components.
- RF Radio Frequency
- the input unit 1130 may include a touch panel 1131 and other input devices 1132
- the display unit 1140 may include a display panel 1141
- the audio circuit 1160 may include a speaker 1161 and a microphone 1162 .
- FIG. 11 is not limited to the smart phone, and may include more or less components than shown in the figure, or combine certain components, or arrange different components.
- the memory 1120 can be used to store software programs and modules, and the processor 1180 executes various functional applications and data processing of the smart phone by running the software programs and modules stored in the memory 1120 .
- the memory 1120 can mainly include a program storage area and a data storage area, wherein the program storage area can store an operating system, at least one application program required by a function (such as a sound playback function, an image playback function, etc.) and the like; Data created by the use of smartphones (such as audio data, phonebook, etc.), etc.
- the memory 1120 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid-state storage devices.
- the processor 1180 is the control center of the smart phone, and uses various interfaces and lines to connect various parts of the whole smart phone, by running or executing software programs and/or modules stored in the memory 1120, and calling data stored in the memory 1120 , perform various functions of the smartphone and process data, thereby performing overall monitoring of the smartphone.
- the processor 1180 may include one or more processing units; preferably, the processor 1180 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface and application programs, etc. , the modem processor mainly handles wireless communications. It can be understood that the foregoing modem processor may not be integrated into the processor 1180 .
- the steps performed by the terminal in the foregoing embodiments may be implemented based on the structure shown in FIG. 2 .
- FIG. 12 is a structural diagram of the server 1200 provided by the embodiment of the present application.
- the memory 1232 and the storage medium 1230 may be temporary storage or persistent storage.
- the program stored in the storage medium 1230 may include one or more modules (not shown in the figure), and each module may include a series of instruction operations on the server.
- the central processing unit 1222 may be configured to communicate with the storage medium 1230 , and execute a series of instruction operations in the storage medium 1230 on the server 1200 .
- the server 1200 can also include one or more power supplies 1226, one or more wired or wireless network interfaces 1250, one or more input and output interfaces 1258, and/or, one or more operating systems 1241, such as Windows Server TM , Mac OS X TM , Unix TM , Linux TM , FreeBSD TM , etc.
- operating systems 1241 such as Windows Server TM , Mac OS X TM , Unix TM , Linux TM , FreeBSD TM , etc.
- the central processing unit 1222 in the server 1200 may perform the following steps:
- each device group includes a plurality of interface machines, and each of the plurality of interface machines is used to connect to a conference access terminal, so that The conference access terminal accesses the conference room through an interface machine; the first interface machine is any interface machine in the first device group;
- the media data The stream is obtained by the source-returning device in the first device group from the second interface machine in the second device group, and the conference access terminal that generates the media data stream accesses the conference room through the second interface machine , the second device group is any device group in the plurality of device groups.
- a computer-readable storage medium is provided, the computer-readable storage medium is used for storing program codes, and when the program codes run on the electronic equipment, the electronic equipment executes the above-mentioned various embodiments. Audio and video conferencing implementation method.
- a computer program product or computer program comprising computer instructions stored in a computer readable storage medium.
- the processor of the electronic device reads the computer instruction from the computer-readable storage medium, and the processor executes the computer instruction, so that the electronic device executes the methods provided in various optional implementation manners of the foregoing embodiments.
- the disclosed system, device and method can be implemented in other ways.
- the device embodiments described above are only illustrative.
- the division of the units is only a logical function division. In actual implementation, there may be other division methods.
- multiple units or components can be combined or May be integrated into another system, or some features may be ignored, or not implemented.
- the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical, mechanical or other forms.
- the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
- each functional unit in each embodiment of the present application may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit.
- the above-mentioned integrated units can be implemented in the form of hardware or in the form of software functional units.
- the integrated unit is realized in the form of a software function unit and sold or used as an independent product, it can be stored in a computer-readable storage medium.
- the technical solution of the present application is essentially or part of the contribution to the prior art or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium , including several instructions to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present application.
- the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory, referred to as ROM), random access memory (Random Access Memory, referred to as RAM), magnetic disk or optical disc, etc., which can store program codes. medium.
Abstract
Description
Claims (17)
- 一种音视频会议实现方法,所述方法包括:第一设备组中的回源设备接收所述第一设备组中第一接口机的拉流申请,所述拉流申请中包括媒体数据流的第一标识信息,所述第一设备组为多个设备组中的任一设备组,所述多个设备组中每个设备组中存在回源设备,每个设备组中包括多个接口机,所述多个接口机中每个接口机用于连接会议接入终端,以使所述会议接入终端通过接口机接入会议房间;所述第一接口机是所述第一设备组中的任一接口机;所述第一设备组中的回源设备将所述第一标识信息对应的所述媒体数据流转发至所述第一接口机上,以使所述第一接口机将所述媒体数据流转发至对应的会议接入终端;所述媒体数据流是所述第一设备组中的回源设备从第二设备组中第二接口机获取的,产生所述媒体数据流的会议接入终端通过所述第二接口机接入所述会议房间,所述第二设备组为所述多个设备组中的任一设备组。
- 根据权利要求1所述的方法,所述第一设备组中的回源设备将所述第一标识信息对应的所述媒体数据流转发至所述第一接口机上,包括:根据所述第一标识信息查找对应的所述第二接口机的媒体数据流;若未查找到所述第二接口机的媒体数据流,向所述第二接口机转发所述拉流申请;接收所述第二接口机根据所述拉流申请中的第一标识信息转发的所述媒体数据流,并将所述媒体数据流转发至所述第一接口机。
- 根据权利要求2所述的方法,所述方法还包括:若查找到对应的所述第二接口机的媒体数据流,将所述媒体数据流转发至所述第一接口机。
- 根据权利要求2所述的方法,若所述第一设备组与所述第二设备组位于不同局域网,所述向所述第二接口机转发所述拉流申请,包括:通过中转代理设备向所述第二接口机转发所述拉流申请;所述接收所述第二接口机根据所述拉流申请中的第一标识信息转发的所述媒体数据流,包括:通过所述中转代理设备接收所述第二接口机转发的所述媒体数据流。
- 根据权利要求1-4任一项所述的方法,所述第一设备组中的回源设备是所述第一接口机按照预设规则确定得到的,所述预设规则使得同一媒体数据流通过同一回源设备路由到其所在设备组中的接口机上。
- 根据权利要求1-4任一项所述的方法,所述方法还包括:当第三设备组中的第三接口机请求进入所述会议房间时,所述第三设备组中的组内服务器接收所述第三接口机发送的注册请求,所述第三设备组为所述多个设备组中的任一设备组,所述第三接口机为所述第三设备组中的任一接口机;若所述第三设备组中的组内服务器在本地未查找到所述会议房间的信息,向中心服务器发送所述注册请求,以使所述中心服务器将所述第三设备组中组内服务器的第二标识信息记录到第一会议注册列表,并向所述第三设备组中的组内服务器返回注册成功信息;所述第三设备组中的组内服务器将所述第三接口机的第三标识信息记录到第二会议注册列表,并向所述第三接口机返回所述注册成功信息。
- 根据权利要求6所述的方法,所述方法还包括:若所述第三设备组中的组内服务器在本地查找到所述会议房间的信息,将所述第三接口机的第三标识信息记录到所述第二会议注册列表,并向所述第三接口机返回所述注册成功信息。
- 根据权利要求6所述的方法,所述方法还包括:当第三设备组中的第三接口机连接的会议接入终端发生状态变更时,所述第三设备组中的组内服务器接收所述第三接口机发送的通知消息;所述第三设备组中的组内服务器将所述通知消息发送至所述中心服务器,以使所述中心服务器将所述通知消息发送至每个设备组的组内服务器上,每个设备组的组内服务器用于将所述通知消息发送至注册成功的接口机。
- 根据权利要求6所述的方法,所述方法还包括:当第三设备组中的第三接口机请求拉取参会列表时,所述第三设备组中的组内服务器接收所述第三接口机的列表拉取请求;若所述第三设备组中的组内服务器在本地未查找到所述参会列表,向所述中心服务器发送所述列表拉取请求;所述第三设备组中的组内服务器接收所述中心服务器发送的所述参会列表,并将所述参会列表发送至所述第三接口机。
- 根据权利要求6所述的方法,所述方法还包括:若所述第三设备组中的组内服务器在本地查找到所述参会列表,且所述参会列表未过期,将所述参会列表返回给所述第三接口机。
- 根据权利要求1-4所述的方法,所述方法还包括:当媒体数据流包括音频数据流时,通过混音引擎中的选路器将获取的多路音频数据流向位于同一设备组的混音器发送,所述多路音频数据流分别来自不同设备组中的第四接口机;通过混音器从所述多路音频数据流中选择目标音频数据流,并向目标接口机发送选中通知,所述目标接口机为产生所述目标音频数据流的会议接入终端连接的接口机;通过所述混音器接收所述目标接口机发送的目标音频数据流,并对所述目标音频数据流进行混音;将混音后的音频数据流转发至所述第四接口机对应的选路器;所述第四接口机包括所述目标接口机;通过所述第四接口机对应的选路器将混音后的音频数据流发送至所述第四接口机,以使所述第四接口机向其所在设备组中的其他接口机转发所述混音后的音频数据流。
- 根据权利要求1-4所述的方法,所述方法还包括:通过机器人终端拉取所述会议房间中产生的媒体数据流,并对所述媒体数据流进行处理。
- 一种音视频会议实现装置,所述装置包括接收单元和转发单元:所述接收单元,用于接收第一设备组中第一接口机的拉流申请,所述拉流申请中包括媒体数据流的第一标识信息,所述第一设备组为多个设备组中的任一设备组,所述多个设备组中每个设备组中存在回源设备,每个设备组中包括多个接口机,所述多个接口机中每个接口机用于连接会议接入终端,以使所述会议接入终端通过接口机接入会议房间;所述第一接口机是所述第一设备组中的任一接口机;所述转发单元,用于将所述第一标识信息对应的所述媒体数据流转发至所述第一接口机上,以使所述第一接口机将所述媒体数据流转发至对应的会议接入终端;所述媒体数据流是所述第一设备组中的回源设备从第二设备组中第二接口机获取的,产生所述媒体数据流的会议接入终端通过所述第二接口机接入所述会议房间,所述第二设备组为所述多个设备组中的任一设备组。
- 一种音视频会议系统,所述系统包括数据传输网络和房间管理子系统:所述数据传输网络用于传输会议房间中产生的媒体数据流,所述数据传输网络包括多个设备组,每个设备组中包括多个接口机;所述多个接口机中每个接口机用于连接会议接入终端,以使所述会议接入终端通过接口机接入所述会议房间;所述多个设备组中每个设备组中存在回源设备,第一设备组中的回源设备用于接收所述第一设备组中第一接口机的拉流申请,所述拉流申请中包括媒体数据流的第一标识信息,将所述第一标识信息对应的所述媒体数据流转发至所述第一接口机上,所述媒体数据流是所述第一设备组中的回源设备从第二设备组中第二接口机获取的,产生所述媒体数据流的会议接入终端通过所述第二接口机接入所述会议房间,所述第一设备组和所述第二设备组分别为所述多个设备组中的任一设备组;所述第一接口机是所述第一设备组中的任一接口机,所述第一接口机用于将所述媒体数据流转发至对应的会议接入终端;所述房间管理子系统包括所述多个设备组和中心服务器,每个设备组中包括组内服务器,所述组内服务器用于辅助所述中心服务器管理所述会议房间。
- 一种用于音视频会议实现的电子设备,所述电子设备包括处理器以及存储器:所述存储器用于存储程序代码,并将所述程序代码传输给所述处理器;所述处理器用于根据所述程序代码中的指令执行权利要求1-12任一项所述的方法。
- 一种计算机可读存储介质,所述计算机可读存储介质用于存储程序代码,当程序代码在电子设备上运行时,使得电子设备执行权利要求1至12中任一项所述的方法。
- 一种计算机程序产品,当所述计算机程序产品被执行时,使得电子设备执行如权利要求1-12任一项所述的方法。
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