CN107911710B - Live broadcast resource sharing management platform and method - Google Patents
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/21—Server components or server architectures
- H04N21/218—Source of audio or video content, e.g. local disk arrays
- H04N21/2187—Live feed
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
- H04N21/2353—Processing of additional data, e.g. scrambling of additional data or processing content descriptors specifically adapted to content descriptors, e.g. coding, compressing or processing of metadata
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- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
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- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/632—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing using a connection between clients on a wide area network, e.g. setting up a peer-to-peer communication via Internet for retrieving video segments from the hard-disk of other client devices
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Abstract
The invention relates to a live broadcast resource sharing management platform and a method, which comprises at least one local area network networking structure, wherein the local area network networking structure comprises a camera device, an SDI (serial digital interface) coding device, a switch, a broadcast control platform, a streaming media service node, a network access device and a client, the camera device is connected with the SDI coding device, the switch is respectively connected with the SDI coding device, the broadcast control platform, the streaming media service node and the network access device, and the client is connected with the network access device. The method has the advantages that the streaming media service nodes are arranged in the local area network, the distribution of the live streaming is changed from the streaming media service nodes of the cloud service platform to the streaming media service nodes in the local area network, and the occupation of the public network bandwidth is reduced; the method comprises the steps that a plurality of local area networks share live streaming mutually, so that the distribution of the live streaming is realized, and the bandwidth of a public network is not occupied or is slightly occupied; when large-scale programs are directly broadcast, a large amount of bandwidth of the public network cannot be occupied due to the increase of the number of the broadcasting people, and the live broadcast is smooth.
Description
Technical Field
The invention relates to the technical field of live broadcast, in particular to a live broadcast resource sharing management platform and a live broadcast resource sharing management method.
Background
With the development of internet technology and the increase of internet users, users have more and more requirements for watching and watching live webcasts. With the development of devices and network bandwidth, the requirements of users on the image quality, tone quality and fluency of audio and video live broadcast are higher and higher, and the code stream of the live broadcast content is continuously improved.
The technical method adopted by the existing internet live broadcast platform is that live broadcast video is coded and then transmitted to a cloud streaming media service node, and then distributed from the cloud streaming media service node. However, the technical method has the disadvantages that the playing end of the user end needs to occupy the bandwidth of the public network, and the occupied bandwidth is in direct proportion to the playing number, when a large-scale program is directly played, a large amount of playing number can occupy a large amount of bandwidth of the public network, and when the bandwidth of the public network is insufficient, live broadcasting is unsmooth and unsmooth, which affects the viewing experience of the user.
Chinese patent CN201610615707.2, published as 2016.12.07, discloses a live webcast method, including selecting at least one user terminal from a plurality of user terminals accessing a live webcast server, where the user terminals are in the same lan; for each user terminal in the at least one user terminal, taking the user terminal as a live broadcast transit server, and acquiring the address of the live broadcast terminal server; and sending the live video to the user terminals except the at least one user terminal in the plurality of user terminals based on the address of the at least one live relay server. According to the method, some user terminals are used as live broadcast transit servers, live broadcast videos are sent to other user terminals instead of live broadcast servers, and the pressure of the live broadcast servers is reduced by using the terminal capacity of the user terminals, so that the pressure of the live broadcast servers is reduced, the live broadcast smoothness is improved, and blocking is avoided. However, the transmission effect cannot be guaranteed due to the uneven capability of the user terminals; if the transmission effect needs to be ensured, the user terminal needs to be screened, the calculation amount of the server is increased, and the pressure of the server is increased to a certain extent.
Therefore, there is a need for a method for sharing live broadcast content by using a local area network without using a cloud for live broadcast content distribution, and realizing live broadcast content distribution by using the local area network without using a public network bandwidth.
Disclosure of Invention
The invention aims to provide a live broadcast resource sharing management platform and a live broadcast resource sharing management method aiming at the defects in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that:
a live broadcast resource sharing management platform comprises a plurality of local area network networking structures and a cloud service platform, wherein each local area network networking structure comprises a camera device, an SDI (serial digital interface) coding device, a switch, a broadcast control platform, a streaming media service node, a network access device and a client, the camera device is connected with the SDI coding device, the switch is respectively connected with the SDI coding device, the broadcast control platform, the streaming media service node and the network access device, the client is connected with the network access device, and the cloud service platform is connected with the switch;
the camera device is used for acquiring real-time video and audio signals;
the SDI coding device is used for coding the real-time video and audio signals acquired by the camera device and forming a live stream;
the streaming media service node is connected with the SDI coding device through the switch and used for processing the live stream and forming corresponding HLS service content;
the broadcast control platform is connected with the streaming media service node through the switch and is used for acquiring a service address corresponding to the HLS service content, configuring the HLS service content into a webpage of a local area network where the streaming media service node is located according to the service address to form and display the corresponding streaming media content, and pushing the live stream to the cloud service platform;
the network access device is used for connecting the client to a local area network where the streaming media service node is located;
the cloud service platform is used for configuring the live stream pushed to the cloud service platform into other local area network networking structures for users to view.
Preferably, the broadcast control platform further includes a control unit, and the camera 11 and the SDI encoding device are controlled by the switch to switch on and off the live stream and adjust the resolution of the live stream.
Preferably, the broadcast control platform further includes a first pushing unit, configured to push the live stream to the cloud service platform.
Preferably, the broadcast control platform further comprises a discovery unit and a configuration unit;
the discovery unit is used for continuously monitoring the cloud service platform and acquiring a new live stream;
the configuration unit is connected with the discovery unit and is used for configuring according to the live stream acquired from the cloud service platform to form the corresponding streaming media content and displaying the streaming media content in a webpage.
Preferably, the broadcast control platform further comprises a second pushing unit connected to the first pushing unit, the first pushing unit pushes the live stream to the cloud service platform, and meanwhile, the second pushing unit pushes the live program label corresponding to the live stream to the cloud service platform.
Preferably, the live program tag includes a program name of the live stream, a start time of the live stream, an end time of the live stream, an encoding method of the live stream, and a resolution of the live stream.
A live broadcast resource sharing management method is applied to a live broadcast resource sharing management platform and comprises at least one local area network networking structure, wherein each local area network networking structure comprises a camera device 11, and the method further comprises the following steps:
step S1, the camera device is adopted to collect real-time video and audio signals and transmit the signals to a corresponding SDI coding device;
step S2, performing video and audio coding on the real-time video and audio signal by adopting the SDI coding device to form a live stream;
step S3, acquiring the live stream by adopting a stream media service node, and processing to form corresponding HLS service content according to the live stream;
step S4, acquiring a service address corresponding to the HLS service content by adopting a broadcast control platform, and configuring the HLS service content to a webpage of a local area network where the streaming media service node is located according to the service address to form and display corresponding streaming media content; the broadcast control platform pushes the live stream to a cloud service platform connected with the LAN networking structure while forming the streaming media content;
and step S5, acquiring the streaming media content which can be displayed in the webpage in the local area network by adopting the client which is in the same local area network with the streaming media service node.
Preferably, the method further comprises the following steps:
and step S6, configuring the live broadcast stream to other local area network networking structures by adopting the cloud service platform for being viewed by users.
Preferably, the broadcast control platform pushes the live stream to the cloud service platform and simultaneously pushes a live program label corresponding to the live stream to the cloud service platform.
Preferably, the broadcast control platform is adopted to continuously monitor the cloud service platform and acquire a new live stream, and the configuration is performed according to the live stream acquired from the cloud service platform to form the corresponding streaming media content and display the streaming media content in a webpage.
By adopting the technical scheme, compared with the prior art, the invention has the following technical effects:
according to the live broadcast resource sharing management platform and method, the streaming media service nodes are arranged in the local area network, live broadcast streams are distributed from the streaming media service nodes of the cloud service platform to the streaming media service nodes in the local area network, and therefore the occupation of public network bandwidth is reduced; the live streaming is shared among the local area networks, so that the distribution of the live streaming is realized, and the bandwidth of a public network is not occupied or is slightly occupied; the distribution of the live broadcast stream is carried out through the local area network, and when large-scale programs are directly broadcast, a large amount of public network bandwidth cannot be occupied due to the increase of the number of the broadcast people, so that the live broadcast is smooth, and the blockage situation does not occur; by adding corresponding equipment in the local area network and distributing the direct-broadcast content, the bandwidth of the public network can be occupied to the greatest extent or a small amount, and the load of the public network is reduced.
Drawings
Fig. 1 is an architecture diagram of a preferred embodiment of the live resource sharing management platform of the present invention.
Fig. 2 is a schematic view of a broadcast control platform of a preferred embodiment of the live resource sharing management platform of the present invention.
Fig. 3 is a flowchart of a preferred embodiment of the live resource sharing management method of the present invention.
Fig. 4 is a system block diagram of a preferred embodiment of the present invention.
Wherein the reference numerals are: a local area network networking architecture 1; a cloud service platform 2; an image pickup device 11; an SDI encoding device 12; a switch 13; a streaming media service node 14; a broadcast control platform 15; a network access device 16; a client 17; a first pushing unit 151; a second pushing unit 152; a discovery unit 153; a configuration unit 154; a control unit 155.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will now be described with reference to the accompanying drawings and specific examples, but the invention is not limited thereto.
As shown in fig. 1, the live broadcast resource sharing management platform of the present invention includes at least one lan networking structure 1 and a cloud service platform 2, where each lan networking structure 1 includes a camera 11, an SDI encoding device 12, a switch 13, a streaming media service node 14, a broadcast controller 15, a network access device 16, and a client 17, the camera 11 is connected to the SDI encoding device 12, the switch 13 is respectively connected to the SDI encoding device 12, the streaming media service node 14, the broadcast controller 15, and the network access device 16, and the lan networking structure 1 is connected to the cloud service platform 3 through the switch 13;
the camera device 11 is used for acquiring real-time video and audio signals;
an SDI encoding device 12 that encodes the real-time video/audio signal acquired by the imaging device 11 and forms a live stream;
the streaming media service node 14 is connected to the SDI encoding device 12 through the switch 13, and is configured to process the direct broadcast stream and form corresponding HLS service content;
the broadcast control platform 15 is connected with the streaming media service node 14 through the switch 13, and is configured to acquire a service address corresponding to the HLS service content, configure the HLS service content into a webpage of a local area network where the streaming media service node 14 is located according to the service address, form and display the corresponding streaming media content, and push the live stream to the cloud service platform 2;
a network access device 16, configured to connect the client 17 to a local area network in which the streaming media service node 14 is located;
and the cloud service platform 2 is used for configuring the live stream pushed to the cloud service platform 2 into other local area network networking structures for the user to view.
As shown in fig. 2, the broadcast control platform 15 further includes a first pushing unit 151, a second pushing unit 152, a discovery unit 153, a configuration unit 154, and a control unit 155;
a first pushing unit 151, configured to push the live stream to the cloud service platform 2;
the second pushing unit 152 is connected to the first pushing unit 151, and when the first pushing unit 151 pushes the live stream to the cloud service platform 2, the second pushing unit 152 pushes a live program label corresponding to the live stream to the cloud service platform 2;
the discovery unit 153 is configured to continuously monitor the cloud service platform 2 and obtain a new live stream;
a configuration unit 154, connected to the discovery unit 153, configured according to the live stream acquired from the cloud service platform 2, to form corresponding streaming media content and display the streaming media content in a web page;
and the control unit is used for controlling the camera device 11 and the SDI coding device through the switch and is used for switching on and off the live stream and adjusting the resolution of the live stream.
The live program label comprises a program name of the live stream, start time of the live stream, end time of the live stream, an encoding mode of the live stream and resolution of the live stream.
The live broadcast resource sharing management platform comprises a plurality of local area network networking structures, each local area network networking structure is connected with the cloud service platform through a switch in each local area network networking structure, and an administrator in each local area network acquires live broadcast stream information from the cloud service platform through the broadcast control platform.
Further, each lan networking structure includes a plurality of image pickup devices 11 and a plurality of SDI encoding devices, and the image pickup devices 11 correspond to the SDI encoding devices one to one.
The live broadcast resource sharing management method is applied to a live broadcast resource sharing management platform, and comprises the following steps as shown in fig. 3:
step S1, collecting real-time video and audio signals by the camera device 11 and transmitting the signals to a corresponding SDI coding device;
step S2, video and audio coding is carried out on the real-time video and audio signal by adopting an SDI coding device to form a live stream;
step S3, acquiring the live stream by adopting a stream media service node, and processing according to the live stream to form corresponding HLS service content;
step S4, acquiring a service address corresponding to the HLS service content by adopting a broadcast control platform, and configuring the HLS service content into a webpage of a local area network where a streaming media service node is located according to the service address to form and display the corresponding streaming media content; the method comprises the steps that when streaming media content is formed, a broadcast control platform pushes a live stream to a cloud service platform connected with a local area network networking structure;
and step S5, acquiring the streaming media content which can be displayed in the webpage in the local area network by adopting the client terminal which is in the same local area network with the streaming media service node.
Step S6, the cloud service platform configures the live stream to other lan networking structures for users to view.
The broadcast control platform in each LAN networking structure continuously monitors the cloud service platform and acquires a new live stream, and the configuration is carried out according to the live stream acquired from the cloud service platform so as to form corresponding streaming media content and display the streaming media content in a webpage for a user in the LAN networking structure to check.
The broadcast control platform pushes the live stream to the cloud service platform and simultaneously pushes the live program label corresponding to the live stream to the cloud service platform.
As a preferred embodiment, the administrator can manage all the cameras 11 and SDI encoders 12 in the lan through the broadcast control platform 15, and switch the live stream, adjust the encoding resolution, and determine whether to output the live stream to the cloud service platform 2.
As a preferred embodiment, the administrator can check the status of all live streams in the local area network through the broadcast control platform 15, and through the multi-screen display, the administrator can visually check whether the live streams are abnormal, such as but not limited to black screen, still image, and silence. The broadcast control platform 15 can actively give an alarm when the live stream is abnormal, so as to timely inform an administrator to process the abnormal condition, and the live stream is recovered to be normal.
As a preferred embodiment, the administrator can also issue local video and audio resources through the broadcast control platform 15, so that the user can conveniently use the device to connect with the local area network through the network access device 16 for on-demand viewing.
As an example of a specific application, as shown in fig. 4, the following contents are provided:
for site a (local area network networking architecture): erecting a plurality of cameras (namely a camera device 11) at a site A, wherein each camera corresponds to an SDI coding module (namely an SDI coding device), carrying out real-time video and audio coding on SDI signals of the cameras by utilizing the SDI coding module, inputting coded live streams into a streaming media service node A, converting the live streams into HLS services by the streaming media service node A, and sending HLS service addresses to a broadcast control platform A;
configuring an HLS service address into a webpage of a streaming media service node A by a broadcast control platform A positioned in the same local area network, and calling a video tag of HTML5 to provide webpage broadcast service;
the broadcast control platform A simultaneously pushes the live broadcast stream to a cloud service platform and pushes corresponding live broadcast program labels (program names, start time, end time, coding modes and resolution ratio) together;
a user at site a may connect a device (i.e., client) to the local area network via an AP (i.e., network access device) and view the streaming media content.
For site B (local area network networking architecture): after a broadcast control platform B at a site B finds the live stream information about the site A in a cloud service platform, an administrator of the cloud service platform B acquires the live stream and a corresponding program label of the site A through the cloud service platform and configures the live stream and the corresponding program label to a streaming media service node B to form a live broadcast webpage;
the user at location B can connect the device to the lan through the AP to view the live video at location a.
In this embodiment, when the user at the site a watches the live video at the site a, the user only needs to occupy the bandwidth of the local area network at the site a, and does not need to occupy the bandwidth of the external network or the public network, so as to reduce the occupied amount of the bandwidth of the external network or the public network; when the user at the site B watches the live broadcast video at the site A, the bandwidth of the external network or the public network does not need to be occupied, and the occupation amount of the bandwidth of the external network or the public network is reduced, so that the load of the external network or the public network is reduced, the use efficiency is improved, the live broadcast smoothness is ensured, and the live broadcast pause phenomenon is reduced.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (1)
1. A method for sharing and managing live broadcast resources is characterized by comprising at least one local area network networking structure, wherein each local area network networking structure comprises a camera device, and the method further comprises the following steps:
step S1, the camera device is adopted to collect real-time video and audio signals and transmit the signals to a corresponding SDI coding device;
step S2, performing video and audio coding on the real-time video and audio signal by adopting the SDI coding device to form a live stream;
step S3, acquiring the live stream by adopting a stream media service node, and processing to form corresponding HLS service content according to the live stream;
step S4, acquiring a service address corresponding to the HLS service content by adopting a broadcast control platform, and configuring the HLS service content to a webpage of a local area network where the streaming media service node is located according to the service address to form and display corresponding streaming media content; the broadcast control platform pushes the live stream to a cloud service platform connected with the LAN networking structure while forming the streaming media content;
step S5, acquiring the streaming media content which can be displayed in the webpage in the local area network by adopting the client which is in the same local area network with the streaming media service node;
step S6, configuring the live broadcast stream to other local area network networking structures by adopting the cloud service platform for a user to view;
the broadcast control platform pushes the live stream to the cloud service platform and simultaneously pushes a live program label corresponding to the live stream to the cloud service platform;
the method comprises the steps that a broadcast control platform is adopted to continuously monitor a cloud service platform and obtain a new live stream, and configuration is carried out according to the live stream obtained from the cloud service platform so as to form corresponding streaming media content and display the streaming media content in a webpage;
the live broadcast resource sharing management platform comprises a plurality of local area network networking structures and a cloud service platform, wherein each local area network networking structure comprises a camera device, an SDI (serial digital interface) coding device, a switch, a broadcast control platform, a streaming media service node, a network access device and a client, the camera device is connected with the SDI coding device, the switch is respectively connected with the SDI coding device, the broadcast control platform, the streaming media service node and the network access device, the client is connected with the network access device, and the cloud service platform is connected with the switch;
the camera device is used for acquiring real-time video and audio signals;
the SDI coding device is used for coding the real-time video and audio signals acquired by the camera device and forming a live stream;
the streaming media service node is connected with the SDI coding device through the switch and used for processing the live stream and forming corresponding HLS service content;
the broadcast control platform is connected with the streaming media service node through the switch and is used for acquiring a service address corresponding to the HLS service content, configuring the HLS service content into a webpage of a local area network where the streaming media service node is located according to the service address to form and display the corresponding streaming media content, and pushing the live stream to the cloud service platform;
the network access device is used for connecting the client to a local area network where the streaming media service node is located;
the cloud service platform is used for configuring the live stream pushed to the cloud service platform into other local area network networking structures for a user to view;
the broadcast control platform further comprises:
the first pushing unit is used for pushing the live stream to the cloud service platform;
the discovery unit is used for continuously monitoring the cloud service platform and acquiring a new live stream;
the configuration unit is connected with the discovery unit and used for configuring according to the live stream acquired from the cloud service platform to form corresponding streaming media content and displaying the streaming media content in a webpage;
the control unit is used for controlling the camera device and the SDI coding device through the switch and switching on and off live streams and adjusting the resolution of the live streams;
the second pushing unit is connected with the first pushing unit, and pushes the live program label corresponding to the live stream to the cloud service platform while the first pushing unit pushes the live stream to the cloud service platform;
the live program label comprises a program name of the live stream, a start time of the live stream, an end time of the live stream, an encoding mode of the live stream and a resolution of the live stream.
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| CN108881936B (en) * | 2018-07-18 | 2021-04-30 | 上海掌门科技有限公司 | Live broadcast resource sharing method, electronic device and medium |
| CN108989827A (en) * | 2018-07-31 | 2018-12-11 | 成都华栖云科技有限公司 | A kind of realization method and system that cloud bridge is broadcast live |
| CN112104882A (en) * | 2019-06-17 | 2020-12-18 | 深圳广播电影电视集团 | Distribution method and device of Internet live stream and computing equipment |
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