CN111935443B - Method and device for sharing instant messaging tool in real-time live broadcast of video conference - Google Patents
Method and device for sharing instant messaging tool in real-time live broadcast of video conference Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
- 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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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
- H04L51/52—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail for supporting social networking services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/40—Support for services or applications
- H04L65/403—Arrangements for multi-party communication, e.g. for conferences
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- H04L65/65—Network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP]
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- H—ELECTRICITY
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- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
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- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
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- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
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Abstract
The invention provides a method and a device for sharing an instant messaging tool in a video conference live broadcast in real time. The method comprises the following steps: the video conference server applies for live streaming to the video live broadcast server, the video live broadcast server agrees and returns a live streaming address; the video conference server pushes the live video frames to the live video server through an RTMP protocol; the video conference server requests a video live broadcast server to generate live broadcast sharing, the video live broadcast server agrees, and a live broadcast sharing page address is returned; the video conference host sends the live broadcast sharing page address to the friends or the group of the instant messaging tool; the instant messenger friend clicks on the link, and the WeChat is opened by using a built-in browser. The invention introduces real-time live broadcast sharing to instant messaging tools such as WeChat and the like for the video conference, enlarges audiences, expands the capability of the video conference, and solves the technical problem that the conference site condition can be known in real time without accessing the video conference.
Description
Technical Field
The invention belongs to the technical field of internet communication, and particularly relates to a method and a device for sharing an instant messaging tool in a video conference live broadcast mode in real time.
Background
A typical video conference system in existence generally includes a server and a plurality of terminal devices. The server establishes wired or wireless network connection with each terminal device respectively. The server may be deployed in a private network, or may be a cloud server. The terminal device may be a mobile terminal, such as a notebook computer, a tablet computer, a smart phone, a smart watch, or a personal computer within a local area network.
Video conferencing systems are usually professional communication systems, which can pull different sources into the conferencing system, including telephone terminals, mobile terminals, desktop terminals, computer desktop or whiteboard, and even video surveillance, and the communication ability and efficiency are high.
However, the video conference is a closed system, and has the defects that specific software needs to be installed and an account number needs to be used, a picture cannot be seen through telephone access, and the number of participants is not too large. In some scenarios, someone may simply want to know the meeting place situation and then engage in a telephone call when needed.
Disclosure of Invention
In view of the above-mentioned drawbacks in the background art, an object of the present invention is to provide a method for sharing a video conference with an instant messaging tool in a live broadcast manner in real time, in which a picture of the video conference is pushed to a live broadcast server, a sharing address is obtained and shared with a friend of the instant messaging tool, and the friend of the instant messaging tool opens the link, so that the live broadcast of the video conference can be viewed. Therefore, the technical problem that the video conference does not need to be accessed and the meeting place condition can be known in real time is solved, and the real-time live broadcast sharing WeChat is introduced for the video conference.
In order to achieve the purpose, the invention adopts the following technical scheme:
the first aspect of the present invention provides a method for sharing an instant messaging tool with a video conference in a live broadcast manner in real time, which is applied to a video conference system, a video live broadcast server and an instant messaging tool, and comprises:
a video conference server of the video conference system applies for live broadcast stream pushing to a video live broadcast server, and the video live broadcast server returns a live broadcast stream pushing address after agreeing;
the video conference server pushes the live video frames to the live video server through an RTMP protocol;
the video conference server requests a video live broadcast server to generate a live broadcast sharing page address, and the video live broadcast server returns the live broadcast sharing page address after agreeing;
the live broadcast sharing page address is sent to friends or groups of the instant messaging tool;
and establishing live broadcast connection between a browser built in the instant communication tool and the live video broadcast server and playing live broadcast streams.
Optionally, the method further includes receiving, by the video conference system, a command for initiating a conference live sharing by the user before the video conference server of the video conference system applies for the live streaming to the video live server.
Optionally, the application for live streaming uses an HTTP protocol, carries the SESSION ID, and after being agreed, obtains a streaming address in the reply of 200 OK; the live broadcast stream pushing address is a unique identifier generated by a video live broadcast server and used for distinguishing different stream pushing ends.
Optionally, the video conference server uses SIP, SRT protocol or WebRTC protocol to push the live video frames to the live video server.
Optionally, the video live broadcast server embeds the address of the live broadcast stream of the video conference to be shared into a static page template to generate a static page, and randomizes the name of the static page to obtain the sharing page and the sharing address of the video conference.
Optionally, the live broadcast sharing page address is sent to the friend or the group of the instant messaging tool in an implementation manner of sending an address containing a text, or generating a two-dimensional code picture according to the text address.
Optionally, the instant messenger is a wechat, and the instant messenger is a wechat friend or a wechat group.
Optionally, the method further includes a step of performing permission verification on the user initiating the live conference sharing, so that only the user with the live conference sharing permission can perform the operation of sharing the push stream.
Optionally, the method further includes the step of calculating the cost according to the pushed stream data flow or the live broadcast sharing duration.
The invention provides a device for sharing instant communication tools in real time by live broadcasting of a video conference, which comprises a video conference system and a video live broadcasting server, wherein the video conference system comprises a video conference server and a video live broadcasting server;
the video conference system adopts a C/S architecture and comprises a video conference terminal and a video conference server (MCU); the video conference server comprises a signaling module, a media module, a control module and a stream pushing and sharing module;
the signaling module is used for registering the video conference terminal and establishing a video conference call;
the media module is used for receiving the media stream of the video conference terminal, combining the video pictures, and sending the combined pictures back to the video conference terminal;
the control module is used for controlling before, during and after the conference, and comprises reservation before the conference, in-conference control and post-conference information acquisition;
the stream pushing and sharing module is used for applying for a stream pushing address, pushing the video conference screen-closed stream to a video live broadcast server and requesting to generate a sharing page.
The video live broadcast server comprises a stream pushing module, a transcoding module, a stream pulling module, a recording module and a CDN (content delivery network) distribution module;
the stream pushing module receives stream pushing of a user, an RTMP protocol is used, and media are video H.264 and voice AAC; the transcoding module is used for converting media of a user into media with different codes or resolutions, namely converting video and voice into other codes, including AAC to OPUS, picture size scaling and code rate adjustment; the pull flow module is used for receiving a pull flow request and sending data according to a signaling and a media protocol of a user, namely, the pull flow module is used for sending flow to the user and supports WEBRTC, RTMP, HTTP + FLV and HTTP + HLS modes; the recording module stores the plug flow of the user; the CDN delivery module receives the request of the edge node and delivers the stream pushed by the user to the edge node.
Compared with the prior art, the invention has the following beneficial effects.
The video conference is live broadcast and shared to instant messaging tools such as WeChat and the like in real time, so that audiences are expanded, and the capability of the video conference is expanded. The capability of a built-in browser of the WeChat is fully utilized, the protocol is preferentially used for the Android version WeChat supporting WebRTC, and in this case, the conference live broadcast delay is very low and is only less than 2 seconds.
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FIG. 1 is a flow chart of an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In this embodiment, the instant messenger is described by taking a WeChat as an example.
In an alternative embodiment, the video conferencing system establishes a network connection with a video live server. The video conference system pushes the picture of the video conference to a video live broadcast server through an RTMP (Real Time Messaging Protocol); the video live broadcast server receives the push stream and generates and returns a live broadcast sharing address to the video conference system; the video conference host shares the address to the WeChat friend through the WeChat; the WeChat friend opens the link and uses a built-in browser of the WeChat to check the real-time live broadcast of the video conference.
In an optional embodiment, the video conference system adopts a conventional C/S architecture, and is composed of a video conference terminal and a video conference server (Multipoint Control Unit, MCU, also called Multipoint controller).
The video conference server (MCU) is usually a key device of a video conference system, which extracts information and signaling of audio, video, data, etc. from information streams from each conference site after synchronous separation, and sends the information and signaling of each conference site to the same processing module to complete the processes of audio mixing or switching, video mixing or switching, data broadcasting and routing, timing and conference control, etc., and finally recombines various information required by each conference site and sends the information to each corresponding terminal system device.
In this embodiment, the video conference server includes, for example, a signaling module, a media module, a control module, a stream pushing and sharing module, and the like. The video conference server applies for live broadcast stream pushing from the video live broadcast server, and the trigger source is that a conference host and/or other users click a live broadcast sharing button on a conference interface.
The signaling module is used for registering the video conference terminal and establishing a video conference call;
the media module is used for receiving the media stream of the video conference terminal, combining the video pictures, and sending the combined pictures back to the video conference terminal;
the control module is used for various controls before, during and after the conference, including reservation before the conference, control in the conference and information acquisition after the conference. For example, in the method, a sharing command of a video conference front end is received, and then various subsequent behaviors of the stream pushing and sharing module are triggered.
The stream pushing and sharing module is used for applying for a stream pushing address, pushing the video conference screen-closed stream to a video live broadcast server and requesting to generate a sharing page.
In alternative embodiments, the video live server generally includes modules for push streaming, transcoding, pull streaming, recording, and CDN delivery. The stream pushing module is used for receiving the stream pushing of the user, the transcoding module is used for converting the media of the user into the media with different codes or resolutions, and the stream pulling module is used for receiving the stream pulling request of the user and sending data according to the signaling and the media protocol of the user. In this embodiment, the protocol of push streaming is RTMP, the protocol of pull streaming is WebRTC, and the transcoding module converts AAC encoded speech in RTMP into OPUS encoded speech in WebRTC.
The stream pushing module receives stream pushing of a user, an RTMP protocol is used, and media are video H.264 and voice AAC; the transcoding module converts the video and the voice into other codes, such as AAC to OPUS, picture size scaling, code rate adjustment and the like; the stream pulling module is used for sending streams to a user and supporting a plurality of modes such as WEBRTC (video H.264 and voice OPUS), RTMP (video H.264 and voice AAC), HTTP + FLV (video H.264 and voice AAC), HTTP + HLS (video H.264 and voice AAC) and the like; the recording module stores the user's push stream, commonly in FLV and MP4 formats; and the CDN delivery module receives the request of the edge node, and delivers the stream pushed by the user to the edge node.
Specifically, in the method for sharing the WeChat in the video conference by live broadcasting in real time in the embodiment, a conference host clicks a conference live broadcasting sharing button to trigger in a conference interface (after the conference is started), and then the method is divided into 5 steps:
step 1, the video conference server applies for live streaming to the video live broadcast server, the video live broadcast server agrees, and a live streaming address is returned.
In a possible implementation manner, the application for live streaming uses HTTP protocol, which carries SESSION ID, and after being agreed, a streaming address is obtained in a reply of 200 OK, which is in the form of:
“rtmp://xxx.xxx.xxx.xxx:1935/xxx/xxx”。
for example:
rtmp://192.168.100.205:1935/live/livestream-40007688x1600829502x852655
where 192.168.100.205 is the server address, 1935 is the port,
live is the rtmp push stream prefix on the server,
the livestream-40007688x1600829502x852655 is a stream push address.
The live broadcast stream pushing address is a unique identifier generated by a video live broadcast server and used for distinguishing different stream pushing ends. After receiving the stream pushing address, the video conference server starts to use RTMP protocol to push stream.
The subsequent video conference server initiates a live broadcast sharing request, and the live broadcast sharing request is used in the protocol to carry the push stream address of the server. Requesting live sharing, also using the HTTP protocol.
And 2, the video conference server pushes the live video pictures to the live video server through an RTMP protocol. The RTMP plug flow is delayed by 1 second and the total delay is less than 2 seconds.
The flow pushing by the RTMP protocol belongs to the prior art and is not described here in detail.
In an alternative embodiment, the RTMP protocol can be replaced by a lower latency push streaming protocol, such as SIP, SRT protocol or WebRTC protocol, all of which are UDP based low latency protocols.
And step 3: and the video conference server requests the video live broadcast server to generate live broadcast sharing, the video live broadcast server agrees, and a live broadcast sharing page address is returned.
In a possible implementation manner, the live video server embeds the address of the stream of the video conference (including but not limited to the following protocols: webrtc/http + flv/http + hls) into a static page template (the template can judge the capability of a viewing end and select the most matched protocol), generates a static page, randomizes the name of the static page, and finally obtains the sharing page of the video conference and the sharing address (URL) thereof.
And 4, step 4: and the video conference host sends the live broadcast sharing page address to the WeChat friend or the group.
The live broadcast sharing page address can be sent to the WeChat friend or the WeChat group in a mode of sending a literal address, or generating a two-dimensional code picture according to the literal.
In a possible implementation manner, the two-dimensional code generation module is arranged at the front end of the video conference system, that is, at the video conference terminal. The product modality may be a Web interface. The address of the video sharing page is generated by a stream pushing and sharing module of a video conference back-end server (namely, a video conference server), and the two-dimensional code is a two-dimensional code picture automatically generated by a video conference front-end interface after the video conference front-end interface acquires the address.
And 5: the WeChat friend clicks on this link and the WeChat will open using a built-in browser. The shared page Web page determines the capability of the built-in browser, and selects a protocol to view the live broadcast preferentially, for example, a low-latency WebRTC (Web Real-Time Communication) protocol is used. The current video Live broadcast server supports various Streaming protocols, including WebRTC, RTMP, and HLS (HTTP Live Streaming), etc.
The method for judging the capability of the built-in browser by sharing the page webpage, namely judging the identification and some related functional characteristics of the browser, belongs to the prior mature technology and is not repeated.
In other alternative embodiments, the method for sharing page addresses is also applicable to other types of instant messaging tool software such as nailing, enterprise WeChat and the like.
In an optional implementation mode, the step of ensuring the safety is added, the method is suitable for scenes in which a third person does not want to see live broadcast pictures, only a wechat user who receives a live broadcast sharing address watches the live broadcast picture by himself, and if the live broadcast picture is forwarded to other people for the second time, the method is no longer effective; and simultaneously, the direct broadcast address diffusion caused by network stealing is prevented. For example, after receiving an address, a wechat user needs to open a page to log in and input a user name and a password.
In an alternative implementation, a step of rights verification (i.e. authentication) of the conference moderator is added. The video conference server comprises a conference host authority verification module used for verifying the identity authority of a conference host, namely an initiator of the push streaming application, so that the authority of the host is managed in a grading way, and the host with the sharing live broadcasting authority can share the push streaming operation.
In an alternative implementation, a "one-click-to-join conference" function is provided. A user watching live broadcasting through WeChat can click a 'join conference' button, so that video conference terminal software of a mobile phone end is directly called, the user automatically logs in and initiates a conference joining application to a host, and the user can be cut in a held video conference at any time after the application is approved.
In an optional implementation manner, when the sharing scene is that the user who accepts the sharing is not in the video conference system, no account and no software are provided. He may ask the conference moderator to join the conference by means of an incoming telephone call.
In an optional implementation manner, the video live broadcast server includes a charging module, configured to calculate a cost according to the flow of the push stream data, or calculate a cost according to the live broadcast sharing time length.
The above description is only an example of the present application and is not intended to limit the present application. Embodiments of the present invention may be provided as methods, systems, or computer program products. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (5)
1. A method for sharing instant messaging tools in a video conference by live broadcasting in real time is applied to a video conference system, a video live broadcasting server and the instant messaging tools, and comprises the following steps:
before a video conference server of a video conference system applies for live broadcast stream pushing to a video live broadcast server, the video conference system receives a command of initiating a conference live broadcast sharing by a user;
a video conference server of the video conference system applies for live broadcast stream pushing to a video live broadcast server, and the video live broadcast server returns a live broadcast stream pushing address after agreeing;
applying for live streaming to use an HTTP protocol, carrying a SESSION ID, and obtaining a streaming address in a reply of 200 OK after the request is agreed; the live broadcast stream pushing address is a unique identifier generated by a video live broadcast server and used for distinguishing different stream pushing ends;
the video conference server pushes the live video frames to the live video server through an RTMP protocol;
the video conference server requests a video live broadcast server to generate a live broadcast sharing page address, and the video live broadcast server returns the live broadcast sharing page address after agreeing;
the live broadcast sharing page address is sent to friends or groups of the instant messaging tool;
a browser built in the instant communication tool establishes live broadcast connection with a video live broadcast server and plays a live broadcast stream;
the method comprises the steps that a video live broadcast server embeds an address of a live broadcast stream of a video conference to be shared into a static page template to generate a static page, and randomizes the name of the static page to obtain a live broadcast sharing page and the address of the video conference;
the live broadcast sharing page address is sent to the friends or the group of the instant messaging tool in an implementation mode that the address containing characters is sent or a picture of a two-dimensional code is generated according to the character address;
receiving a request for joining a conference initiated by a user watching live broadcast sharing by clicking a 'join conference' button, automatically logging in video conference terminal software, and accessing the user to the conference after the user is approved by a conference host;
and when the user watching the live broadcast sharing is not in the video conference system, the user calls the user through a mobile phone.
2. The method for real-time live video conference sharing to an instant messenger according to claim 1, wherein:
the video conference server adopts SIP, SRT protocol or WebRTC protocol to push the video frame to the video live broadcast server.
3. The method for real-time live video conference sharing to an instant messenger according to claim 1, wherein:
the instant messenger is a WeChat, and the friends or the group of the instant messenger are WeChat friends or WeChat groups.
4. The method for real-time live video conference sharing to an instant messenger according to claim 1, wherein:
the method also comprises a step of carrying out authority verification on the user initiating the conference live broadcast sharing, so that only the user with the sharing live broadcast authority can carry out the sharing push flow operation.
5. The method for real-time live video conference sharing to an instant messenger according to claim 1, wherein:
the method also comprises the step of calculating the cost according to the push stream data flow or the live broadcast sharing time length.
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| CN113014932B (en) * | 2021-01-06 | 2023-04-07 | 腾讯科技（深圳）有限公司 | Live broadcast diffusion method, device, equipment and storage medium |
| CN114422460B (en) * | 2021-12-12 | 2024-03-01 | 路九阳 | Method and system for establishing same-screen communication sharing in instant communication application |
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