CN114339268B - Live broadcast data processing method and device and computer readable storage medium - Google Patents
Live broadcast data processing method and device and computer readable storage medium Download PDFInfo
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- CN114339268B CN114339268B CN202011076940.0A CN202011076940A CN114339268B CN 114339268 B CN114339268 B CN 114339268B CN 202011076940 A CN202011076940 A CN 202011076940A CN 114339268 B CN114339268 B CN 114339268B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The embodiment of the invention discloses a live broadcast data processing method, a live broadcast data processing device and a computer readable storage medium; after receiving live broadcast data to be processed generated by current live broadcast, the live broadcast data to be processed comprises a real-time data packet and data frame information corresponding to the real-time data packet, the real-time data packet is sent to an edge node cluster, play data of edge nodes in the edge node cluster are updated according to the data frame information, when a live broadcast watching request sent by a play terminal is received, position information of the play terminal and load information of the edge nodes are obtained, then a target edge node for distributing the play data is determined in the edge node cluster according to the position information and the load information, and the play data is distributed to the play terminal through the target edge node; the scheme can greatly reduce the delay of network live broadcast.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a live broadcast data processing method, apparatus, and computer readable storage medium.
Background
In recent years, with the great heat of network living broadcast in the internet field, more and more users participate in the network living broadcast. In order to ensure that a user can watch live broadcast content of a main broadcast through a play terminal, live broadcast data generated by the main broadcast needs to be processed. The existing live broadcast data processing method is to slice live broadcast data through a server and distribute the sliced live broadcast data to a playing terminal.
In the research and practice process of the prior art, the inventor of the present invention finds that, for the existing live data processing method, the slicing buffering delay is caused in the process of slicing live data, so that the delay of network live broadcast is greatly increased.
Disclosure of Invention
The embodiment of the invention provides a live broadcast data processing method, a live broadcast data processing device and a computer readable storage medium, which can reduce delay of network live broadcast.
A live data processing method, comprising:
receiving live broadcast data to be processed generated by current live broadcast, wherein the live broadcast data to be processed comprises a real-time data packet and data frame information corresponding to the real-time data packet;
the real-time data packet is sent to an edge node cluster, and play data of edge nodes in the edge node cluster are updated according to the data frame information;
When a live broadcast watching request sent by a playing terminal is received, acquiring position information of the playing terminal and load information of an edge node;
determining a target edge node for distributing the play data in the edge node cluster according to the position information and the load information;
and distributing the playing data to the playing terminal through the target edge node.
Correspondingly, an embodiment of the present invention provides a live broadcast data processing device, including:
the receiving unit is used for receiving live broadcast data to be processed generated by current live broadcast, wherein the live broadcast data to be processed comprises a real-time data packet and data frame information corresponding to the real-time data packet;
the updating unit is used for sending the real-time data packet to an edge node cluster and updating the play data of the edge node in the edge node cluster according to the data frame information;
the device comprises an acquisition unit, a display unit and a display unit, wherein the acquisition unit is used for acquiring the position information of a play terminal and the load information of an edge node when receiving a live broadcast watching request sent by the play terminal;
the determining unit is used for determining a target edge node for distributing the play data in the edge node cluster according to the position information and the load information;
And the distribution unit is used for distributing the play data to the play terminal through the target edge node.
Optionally, in some embodiments, the determining unit may specifically be configured to screen at least one candidate edge node from the edge node cluster according to the location information; reading the current load quantity of the candidate edge nodes from the load information; and determining the target edge node for distributing the playing data from the candidate edge nodes according to the current load quantity.
Optionally, in some embodiments, the determining unit may be specifically configured to calculate, according to the location information, a distance between an edge node in the edge node cluster and the playing terminal, to obtain distance information of the edge node; and screening edge nodes, the distance between which and the playing terminal does not exceed a preset distance threshold, from the edge node cluster based on the distance information to obtain candidate edge nodes.
Optionally, in some embodiments, the determining unit may be specifically configured to read a target distance between the candidate edge node and the playing terminal from the distance information; weighting the current load quantity and the target distance of the candidate edge nodes according to preset load weights and distance weights; and screening target edge nodes for distributing the playing data from the weighted candidate edge nodes.
Optionally, in some embodiments, the distributing unit may be specifically configured to query the target edge node for the play data; when the play data exists in the target edge node, a first storage address of the play data in the target edge node is obtained; and sending the first storage address to the playing terminal, so that the playing terminal downloads the playing data from the target edge node according to the first storage address and a preset transmission protocol.
Optionally, in some embodiments, the distributing unit may be specifically configured to send the real-time data packet to the target edge node as the play data when the play data does not exist in the target edge node; acquiring a second storage address of the play data in the target edge node; and sending the second storage address to the playing terminal, so that the playing terminal downloads the playing data from the target edge node according to the second storage address and the preset transmission protocol.
Optionally, in some embodiments, the updating unit may be specifically configured to identify, at the edge node cluster, play data of each edge node, where the play data includes a current data packet; the attribute information of the current data packet is read from the play data; and updating the playing data of the edge node according to the data frame information and the attribute information.
Optionally, in some embodiments, the updating unit may be specifically configured to determine current data frame information of the current data packet according to the attribute information; comparing the data frame information with the current data frame information; and when the data frame information is different from the current data frame information, replacing the current data packet with the real-time data packet so as to update the playing data of the edge node.
In addition, the embodiment of the invention also provides electronic equipment, which comprises a processor and a memory, wherein the memory stores application programs, and the processor is used for running the application programs in the memory to realize the live broadcast data processing method provided by the embodiment of the invention.
In addition, the embodiment of the invention also provides a computer readable storage medium, which stores a plurality of instructions, wherein the instructions are suitable for being loaded by a processor to execute the steps in any live data processing method provided by the embodiment of the invention.
After receiving live broadcast data to be processed generated by current live broadcast, the live broadcast data to be processed comprises a real-time data packet and data frame information corresponding to the real-time data packet, the real-time data packet is sent to an edge node cluster, play data of edge nodes in the edge node cluster are updated according to the data frame information, when a live broadcast watching request sent by a play terminal is received, position information of the play terminal and load information of the edge nodes are obtained, then a target edge node for distributing the play data is determined in the edge node cluster according to the position information and the load information, and the play data is distributed to the play terminal through the target edge node; according to the scheme, the playing data are distributed to the playing terminal through the edge nodes, so that delay caused by slicing the live broadcast data can be avoided, and the target edge nodes can be determined from the edge node clusters according to the position information of the playing terminal and the load information of the edge nodes, so that delay caused by the playing data in distribution is greatly reduced, and the delay of network live broadcast can be greatly reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of a live data processing method according to an embodiment of the present invention;
fig. 2 is a flow chart of a live broadcast data processing method according to an embodiment of the present invention;
fig. 3 is a schematic diagram of acquiring playing data by a plurality of live broadcast terminals according to an embodiment of the present invention;
fig. 4 is a schematic structural frame diagram of a playing terminal according to an embodiment of the present invention;
fig. 5 is another flow chart of a live broadcast data processing method according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a live broadcast data processing apparatus according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
The embodiment of the application provides a live broadcast data processing method, a live broadcast data processing device and a computer readable storage medium. The live broadcast data processing device can be integrated in an electronic device, and the electronic device can be a server or a terminal and other devices.
The server may be an independent physical server, a server cluster or a distributed system formed by a plurality of physical servers, or a cloud server providing cloud services, cloud databases, cloud computing, cloud functions, cloud storage, network services, cloud communication, middleware services, domain name services, security services, network acceleration services (Content Delivery Network, CDN), basic cloud computing services such as big data and an artificial intelligent platform. The terminal may be, but is not limited to, a smart phone, a tablet computer, a notebook computer, a desktop computer, a smart speaker, a smart watch, etc. The terminal and the server may be directly or indirectly connected through wired or wireless communication, and the present application is not limited herein.
For example, referring to fig. 1, taking a live broadcast data processing apparatus integrated in an electronic device as an example, after the electronic device receives live broadcast data to be processed generated by current live broadcast, the live broadcast data to be processed includes a real-time data packet and data frame information corresponding to the real-time data packet, the real-time data packet is sent to an edge node cluster, and play data of an edge node in the edge node cluster is updated according to the data frame information, when a live broadcast viewing request sent by a play terminal is received, position information of the play terminal and load information of the edge node are obtained, then a target edge node for distributing the play data is determined in the edge node cluster according to the position information and the load information, and the play data is distributed to the play terminal through the target edge node.
The live data to be processed may be a data packet of a live broadcast picture generated by a live broadcast in a live broadcast process, for example, the live broadcast terminal of the live broadcast collects the live broadcast audio and video data, then processes and transmits the audio and video data according to a preset live broadcast protocol, the live broadcast protocol may be a Web instant messaging (Web Real-Time Communication, webrtc) protocol, and at this time, the data received by the server may be the live broadcast data to be processed. The live data to be processed is usually continuously output in the form of a data stream, so that during the live broadcast process, the live data to be processed can be generated in units of picture frames by a host. For example, in the live broadcast process, each frame in the generated live broadcast frame can correspondingly generate to-be-processed live broadcast data. The live data to be processed may include a Real-time transport (Real-time Transport Protocol, RTP) data packet formed after encoding the current frame of the picture by the webtc protocol, and the RTP data may be a Real-time data packet in the live data to be processed. Each real-time data packet can correspond to one picture frame, so that the data frame information corresponding to the real-time data packet can be the identification of the picture frame, the identification can be the current live time, or the number of the picture frames from the beginning of live broadcast, for example, when the live broadcast is started, the identification of the picture frame can be 1, and the second picture frame is generated by continuing the live broadcast, at the moment, the identification of the picture frame can be 2, and the like, and the identification of the picture frames continues to be accumulated until the live broadcast is ended.
The edge node cluster can be a cluster formed by a plurality of edge nodes deployed at different positions, and the edge node can be understood as a service platform constructed at the network edge side close to a user, provides storage, calculation, network and other resources, and sinks part of key service application to the edge of an access network so as to reduce the width and delay loss caused by network transmission and multistage forwarding. The edge node in the scheme can be understood as a service platform deployed at different positions inside and outside the environment, and the service platform can provide play data for the play terminal so as to reduce delay of network live broadcast.
The following will describe in detail. The following description of the embodiments is not intended to limit the preferred embodiments.
The embodiment will be described from the viewpoint of a live broadcast data processing apparatus, which may be integrated in an electronic device, and the electronic device may be a server or a terminal, etc.; the terminal may include a tablet computer, a notebook computer, a personal computer (PC, personal Computer), a wearable device, a virtual reality device, or other devices such as an intelligent device that can process live data.
A live data processing method, comprising:
receiving live broadcast data to be processed generated by current live broadcast, wherein the live broadcast data to be processed comprises a real-time data packet and data frame information corresponding to the real-time data packet, sending the real-time data packet to an edge node cluster, updating playing data of edge nodes in the edge node cluster according to the data frame information, acquiring position information of a playing terminal and load information of the edge nodes when a live broadcast watching request sent by the playing terminal is received, determining a target edge node for distributing the playing data in the edge node cluster according to the position information and the load information, and distributing the playing data to the playing terminal through the target edge node.
As shown in fig. 2, the specific flow of the live broadcast data processing method is as follows:
101. and receiving the to-be-processed live broadcast data generated by the current live broadcast.
The live broadcast data to be processed comprises a real-time data packet and data frame information corresponding to the real-time data packet. The real-time data packet may be an RTP data packet corresponding to each frame, and the data frame information corresponding to the real-time data packet may be information of the frame, for example, may be an identifier of the frame.
For example, the live broadcast data to be processed generated by the current live broadcast sent by the live broadcast application program can be directly received, for example, a host broadcast opens an audio and video acquisition device of a live broadcast terminal through the live broadcast application program to acquire live broadcast pictures, the live broadcast application program encodes the audio and video data of the live broadcast pictures according to a preset live broadcast protocol, the preset live broadcast protocol can be a webrtc protocol, so that a real-time data packet and data frame information corresponding to the real-time data packet are obtained, and the real-time data packet and the data frame information are used as live broadcast data to be processed of the current live broadcast pictures to be sent to a live broadcast data processing device. The live broadcast data processing device can also indirectly receive live broadcast data to be processed generated by current live broadcast, for example, the live broadcast application program sends the real-time data packet obtained after encoding processing and the data frame information corresponding to the data packet to the plug flow server, and the plug flow server sends the real-time data packet and the data frame information corresponding to the data packet to the live broadcast data processing device as the live broadcast data to be processed.
102. And sending the real-time data packet to the edge node cluster, and updating the playing data of the edge nodes in the edge node cluster according to the data frame information.
The play data may be a data packet corresponding to a live frame stored in the edge node, and the data packet may be an RTP data packet corresponding to a group of pictures (Group Of Pictures, GOP). By GOP is understood a group of pictures that contains I, P, and B frames in a live picture frame.
For example, the real-time data packet may be sent to an edge node cluster, for example, the received real-time data packet may be distributed to each edge node in the edge node cluster at the same time, and according to the load information of each edge node in the edge node cluster, the edge node with a higher load may preferentially send the real-time data packet. And identifying the play data of each edge node in the edge node cluster, wherein the play data can comprise a current data packet, and the current data packet can be a data packet corresponding to the play data currently stored by the edge node. The attribute information of the current data packet is read from the play data, for example, the live time corresponding to the current data packet, the time stored in the edge node or the corresponding information of the live frame can be directly read from the play data, and the read information is used as the attribute information of the current data packet.
After the attribute information of the current data packet is read, the playing data of the edge node can be updated according to the data frame information and the attribute information, for example, the current data frame information of the current data packet is determined according to the attribute information, for example, the identification of the picture frame corresponding to the current data packet can be determined according to the live time corresponding to the current data packet, the data stored in the edge node or the live picture frame information, and the identification of the picture frame is used as the current data frame information of the current data packet. The data frame information is compared with the current data frame information, for example, the picture frame identifier corresponding to the real-time data packet may be compared with the picture frame identifier corresponding to the current data packet. When the data frame information is different from the current data frame information, it can be determined that the picture frame corresponding to the real-time data packet is different from the picture frame corresponding to the current data packet, and it can be determined that the picture frame corresponding to the current data packet is not the latest picture frame of the live broadcast picture, at this time, the current data packet in the play data is replaced with the real-time data packet in the live broadcast data to be processed, which is sent to the edge node, so as to update the play data of the edge node.
The update of the play data of the edge node may be understood as sending the live broadcast data to be processed to the edge node, so that the edge node caches the real-time data packet in the live broadcast data to be processed, then compares the GOP corresponding to the real-time data packet with the GOP corresponding to the current data packet in the play data, and if the GOPs are different, it is indicated that the current data packet in the play data needs to be updated, so that the play data of the edge node is dynamically updated, and the play data of the edge node always stores the data packet corresponding to the latest picture frame.
103. And when receiving a live broadcast watching request sent by the playing terminal, acquiring the position information of the playing terminal and the load information of the edge node.
For example, when a user wants to watch live broadcast through the playing terminal, the live broadcast watching request can be sent to the live broadcast data processing device or any edge node through the playing terminal, and when the edge node receives the live broadcast watching request sent by the playing terminal, the edge node can forward the live broadcast watching request to the live broadcast data processing device. When the live broadcast data processing device receives a live broadcast data viewing request, the location information of the playing terminal and the load information of the edge nodes are obtained, for example, a network address corresponding to the playing terminal is identified in the live broadcast data viewing request, the location information of the playing terminal is determined according to the network address, and then the load information of each edge node in the edge node cluster is directly obtained, for example, the load information can be information such as the number, the frequency or the load duration of the playing terminals connected or loaded.
104. And determining a target edge node for distributing playing data in the edge node cluster according to the position information and the load information.
For example, at least one candidate edge node may be screened out from the edge node cluster according to the location information, the current load number of the candidate edge node is read out from the load information, and a target edge node for distributing playing data may be determined from the candidate edge nodes according to the current load number, which may be specifically as follows:
s1, at least one candidate edge node is screened out from the edge node cluster according to the position information.
For example, the distance between the edge node and the playing terminal in the edge node cluster may be calculated according to the position information to obtain the distance information of the edge node, for example, the distance between each edge node and the playing terminal may be calculated according to the specific position of the playing terminal to obtain the distance information of the edge node. And based on the distance information, selecting edge nodes with the distance from the playing terminal not exceeding a preset distance threshold value from the edge node cluster, for example, selecting edge nodes with the distance from the playing terminal not exceeding 200KM from the edge node cluster when the preset distance threshold value is 200KM, and taking the edge nodes with the distance from the playing terminal not exceeding 200KM as candidate edge nodes.
S2, the current load quantity of the candidate edge nodes is read out from the load information.
For example, the target load information corresponding to the candidate edge nodes may be directly screened out from the load information, and the current load number of each candidate edge node is read out from the target load information, for example, the current load number may include the number of play terminals currently connected or the number of play terminals downloading play data from the edge nodes.
S3, determining a target edge node for distributing playing data from the candidate edge nodes according to the current load quantity.
For example, the target distance between the candidate edge node and the playing terminal is read out from the distance information. And weighting the current load quantity and the target distance of the candidate edge nodes according to preset load weights and distance weights, for example, assuming that the load weight is a, the distance weight is b, the number of the candidate edge nodes is 3, multiplying the current load quantity and the load weight of the 3 edge nodes, multiplying the target distance and the distance weight of the 3 edge nodes, and adding the weighted values of the current load quantity and the target distance to obtain the weighted value of the 3 edge nodes. And selecting a target edge node for distributing playing data from the weighted candidate edge nodes, for example, selecting the candidate edge node with the largest weighted value from the candidate edge nodes as the target edge node, selecting a plurality of candidate edge nodes in the first three or any interval from the candidate edge nodes, and selecting the candidate edge node with the shortest target distance or the smallest current connection number from the candidate edge nodes as the target edge node.
105. And distributing the playing data to the playing terminal through the target edge node.
For example, the target edge node may query the play data, for example, by querying the data frame information corresponding to the real-time data packet or querying the file name of the real-time data packet, so as to query whether the play data exists in the target edge node. When the playing data exists in the target edge node, a first storage address of the target edge node in the playing data is obtained. And sending the first storage address to the playing terminal, so that the playing terminal downloads the playing data from the target edge node according to the first storage address and a preset transmission protocol, for example, the preset transmission protocol can be a webrtc protocol, and the live broadcast data processing device directly sends the first storage address to the playing terminal, or the live broadcast data processing device sends the first storage address to the target edge node, so that the target edge node sends the first storage address to the playing terminal. After receiving the first storage address, the playing terminal generates a playing data downloading request according to a preset transmission protocol and the first storage address, sends the playing data downloading request to the target edge node, and downloads or directly pulls real-time data packets in the playing data to local storage of the playing terminal through the preset transmission protocol after the playing terminal identifies the playing data in the target edge node through the first storage address. After the playing terminal acquires the real-time data packet in the playing data, the playing terminal can decode the real-time data packet and play the live broadcast content corresponding to the latest picture frame in the playing terminal.
Optionally, when the target edge node does not have the play data, the real-time data packet is sent to the target edge node as the play data, and the second storage address of the play data at the target edge node is obtained, for example, the storage address of the real-time data packet at the target edge may be obtained, and the storage address is used as the second storage address of the play data at the target edge node. The second storage address is sent to the playing terminal in various specific sending modes, for example, the second storage address can be directly sent to the playing terminal, the second storage address can be sent to the target edge node, the target edge node sends the second storage address to the playing terminal, after the second storage address is sent to the playing terminal, the playing terminal can download playing data from the target edge node according to the second storage address and a preset transmission protocol, for example, the preset transmission protocol can be webrtc protocol, and the specific downloading mode is the same as the above, and is not repeated.
When receiving live broadcast watching requests sent by a plurality of live broadcast terminals, respectively adopting the method for each playing terminal, determining a target edge node for each playing terminal, and then respectively sending storage addresses of playing data in the target edge nodes to the corresponding playing terminals, so that the playing terminals download or pull the playing data from the corresponding target edge nodes according to the respective received storage addresses, and the specific process can be shown in fig. 3.
It should be noted that, the playing terminal downloads or directly pulls the playing data from the target edge node through the preset transmission protocol and the first storage address (or the second storage address), and a specific implementation manner may be to integrate the preset transmission protocol, for example, the webrtc protocol, into the open source audio/video framework in a plug-in manner, and open a unified application program interface (Application Programming Interface, API) to call to an upper layer. And acquiring the play data from the target edge node according to the first storage address or the second storage address of the play data through an API corresponding to the webrtc protocol, and then performing play operations such as decoding and the like on the play data. Thus, the playback terminal may include three modules: the player module, the open source audio/video framework and the webtc module, as shown in fig. 4, may specifically be as follows:
(1) And a player module: the module realizes common playing functions, including audio/video decoding/rendering, post-processing, audio/video synchronization and the like.
(2) Open source audio video framework: the kernel of the playing terminal, the open source audio/video frame may include a plurality of types, for example, ffmpeg, gstreamer, vlc, IJKplayer, vitamio, awesomeplayer or mplyer/mplyer 2, taking the open source audio/video frame as a ffmpeg as an example, integrating a webtc plug-in ffmepg, opening a standard api to a player module, and enabling an upper layer player to directly call the ffmpeg api to access a webtc low-delay live broadcast protocol.
(3) Webrtc module: the module is used for optimizing on the basis of the native webrtc and providing the player with the audio and video playing capability of the webrtc protocol. Is responsible for RTP/RTCP real-time transmission protocol, BBR congestion control, FEC fault-tolerant mechanism, jitter buffer anti-jitter and the like. These base modules are encapsulated and integrated into ffmpeg in the form of plug-ins.
The preset transmission protocol is integrated in the open source audio/video frame as a plug-in unit, so that the play terminal is formed, modification to the play terminal can be greatly reduced, the uniformity of the architecture is ensured, and the size of an installation package of the play terminal is greatly reduced. And the adoption of the webrtc protocol has the advantages of high browser support degree and low communication delay, and can greatly reduce the delay of network live broadcast.
As can be seen from the above, after receiving live broadcast data to be processed generated by current live broadcast, the live broadcast data to be processed includes a real-time data packet and data frame information corresponding to the real-time data packet, the real-time data packet is sent to an edge node cluster, play data of edge nodes in the edge node cluster are updated according to the data frame information, when a live broadcast viewing request sent by a play terminal is received, position information of the play terminal and load information of the edge nodes are obtained, then a target edge node for distributing the play data is determined in the edge node cluster according to the position information and the load information, and the play data is distributed to the play terminal through the target edge node; according to the scheme, the playing data are distributed to the playing terminal through the edge nodes, so that delay caused by slicing the live broadcast data can be avoided, and the target edge nodes can be determined from the edge node clusters according to the position information of the playing terminal and the load information of the edge nodes, so that delay caused by the playing data in distribution is greatly reduced, and the delay of network live broadcast can be greatly reduced.
According to the method described in the above embodiments, examples are described in further detail below.
In this embodiment, the live broadcast data processing apparatus is specifically integrated in an electronic device, where the electronic device is a server, and the preset transmission protocol is a webtrc protocol.
As shown in fig. 5, a live broadcast data processing method specifically includes the following steps:
201. and the server receives the to-be-processed live broadcast data generated by the current live broadcast.
The live broadcast data to be processed comprises a real-time data packet and an identification of a picture frame corresponding to the real-time data packet.
For example, the live broadcast terminal collects live broadcast pictures of the current live broadcast of the host broadcast through the audio and video collection device, and the audio and video data of the live broadcast pictures are coded by adopting a webrtc protocol, so that the real-time data packet and the picture frame identification corresponding to the real-time data packet can be obtained. And the live broadcast terminal sends the real-time data packet and the identification of the picture frame corresponding to the real-time data packet to the server as live broadcast data to be processed. The live broadcast terminal can also send the live broadcast data to be processed to the push stream server, and the recommendation server sends the live broadcast data to be processed to the server, so that the server receives the live broadcast data to be processed generated by current live broadcast.
202. And the server sends the real-time data packet to the edge node cluster, and updates the playing data of the edge nodes in the edge node cluster according to the data frame information.
For example, the server may distribute the received real-time data packet to each edge node in the edge node cluster at the same time, and may also preferentially send the real-time data packet to the edge node with higher load according to the load information of each edge node in the edge node cluster. And identifying the play data of each edge node in the edge node cluster, wherein the play data can comprise a current data packet, and the current data packet can be a data packet corresponding to the play data currently stored by the edge node. The live time corresponding to the current data packet, the time stored in the edge node or the information of the corresponding live frame can be directly read from the play data, and the read information is used as the attribute information of the current data packet.
After the attribute information of the current data packet is read, the server can also determine the identification of the picture frame corresponding to the current data packet according to the live time corresponding to the current data packet, the data stored in the edge node or the live picture frame information, and compare the picture frame identification corresponding to the real-time data packet with the picture frame identification corresponding to the current data packet. When the picture frame identifier corresponding to the real-time data packet is different from the picture frame identifier corresponding to the current data packet, it can be determined that the picture frame corresponding to the current data packet is not the latest picture frame of the live broadcast picture, and at this time, the current data packet in the play data is replaced by the real-time data packet in the live broadcast data to be processed, which is sent to the edge node, so as to update the play data of the edge node.
203. When the server or the edge node receives the live broadcast watching request sent by the playing terminal, the server acquires the position information of the playing terminal and the load information of the edge node.
For example, when a user wants to watch live broadcast through a playing terminal, the user can send a live broadcast watching request to a server or any edge node through the playing terminal, and when the edge node receives the live broadcast watching request sent by the playing terminal, the edge node can forward the live broadcast watching request to the server. When the server receives the live broadcast data watching request, a network address corresponding to the playing terminal is identified in the live broadcast data watching request, the position information of the playing terminal is determined according to the network address, and then the number, frequency or load duration and the like of the playing terminals connected or loaded by each edge node in the edge node cluster are directly obtained as the load information of the edge nodes.
204. And the server screens out at least one candidate edge node from the edge node cluster according to the position information.
For example, the server may calculate the distance between each edge node and the playing terminal according to the specific position of the playing terminal, so as to obtain the distance information of the edge node. And screening out edge nodes, the distance between which and the playing terminal does not exceed a preset distance threshold, from the edge node cluster based on the distance information.
205. The server reads the current load quantity of the candidate edge nodes from the load information.
For example, the server may directly screen the load information of the target corresponding to the candidate edge nodes, and read the number of currently connected playing terminals of each candidate edge node or the number of playing terminals that are downloading playing data from the edge node from the target load information as the current load number.
206. And the server determines a target edge node for distributing playing data from the candidate edge nodes according to the current load quantity.
For example, the server reads the target distance between the candidate edge node and the playing terminal from the distance information. According to preset load weight and distance weight, weighting the current load number and the target distance of the candidate edge nodes to obtain a weighted value of each candidate edge node, selecting the candidate edge node with the largest weighted value from the candidate edge nodes as the target edge node, and selecting a plurality of candidate edge nodes in the first three or any interval from the candidate edge nodes, and selecting the candidate edge node with the shortest target distance or the smallest current connection number from the candidate edge nodes as the target edge node.
207. And the server distributes the playing data to the playing terminal through the target edge node.
For example, the server may query whether the play data exists in the target edge node by querying the data frame information corresponding to the real-time data packet or querying the file name of the real-time data packet. When the playing data exists in the target edge node, a first storage address of the target edge node in the playing data is obtained. The server or the target edge node sends a first storage address to the playing terminal, the playing terminal generates a playing data downloading request through an insert corresponding to an internally integrated webrtc protocol and a first archiving address after receiving the first storage address, the playing terminal sends the playing data downloading request to the target edge node, and the playing terminal calls the webrtc protocol by calling an API of the webrtc insert after identifying the playing data in the target edge node through the first storage address, so that real-time data packets in the playing data are downloaded or directly pulled to the local storage of the playing terminal. After the playing terminal acquires the real-time data packet in the playing data, the playing terminal can decode the real-time data packet and play the live broadcast content corresponding to the latest picture frame in the playing terminal.
As can be seen from the foregoing, after receiving live broadcast data to be processed generated by a current live broadcast, the server in this embodiment sends the live broadcast data to an edge node cluster, where the live broadcast data includes a real-time data packet and data frame information corresponding to the real-time data packet, updates play data of an edge node in the edge node cluster according to the data frame information, and when receiving a live broadcast viewing request sent by a play terminal, obtains location information of the play terminal and load information of the edge node, and then determines, according to the location information and the load information, a target edge node for distributing the play data in the edge node cluster, and distributes the play data to the play terminal through the target edge node; according to the scheme, the playing data are distributed to the playing terminal through the edge nodes, so that delay caused by slicing the live broadcast data can be avoided, and the target edge nodes can be determined from the edge node clusters according to the position information of the playing terminal and the load information of the edge nodes, so that delay caused by the playing data in distribution is greatly reduced, and the delay of network live broadcast can be greatly reduced.
In order to better implement the method, the embodiment of the invention also provides a live broadcast data processing device, which can be integrated in an electronic device, such as a server or a terminal, and the terminal can comprise a tablet computer, a notebook computer, a personal computer and/or the like.
For example, as shown in fig. 6, the live data processing apparatus may include a receiving unit 301, an updating unit 302, an acquiring unit 303, a determining unit 304, and a distributing unit 305, as follows:
(1) A receiving unit 301;
the receiving unit 301 is configured to receive live broadcast data to be processed generated by current live broadcast, where the live broadcast data to be processed includes a real-time data packet and data frame information corresponding to the real-time data packet.
For example, the receiving unit 301 may specifically be configured to encode audio and video data of a live broadcast picture according to a preset live broadcast protocol, obtain a real-time data packet and data frame information corresponding to the real-time data packet, send the real-time data packet and the data frame information as live broadcast data to be processed of a current live broadcast picture to a live broadcast data processing device, or send the live broadcast data to be processed to a push server, where the push server sends the live broadcast data to be processed to the live broadcast data processing device, so that the live broadcast data processing device receives the live broadcast data to be processed.
(2) An updating unit 302;
and the updating unit 302 is configured to send the real-time data packet to the edge node cluster, and update the play data of the edge nodes in the edge node cluster according to the data frame information.
For example, the updating unit 302 may specifically be configured to send the real-time data packet to the edge node cluster, identify, at the edge node cluster, play data of each edge node, where the play data includes a current data packet, read attribute information of the current data packet from the play data, and update the play data of the edge node according to the data frame information and the attribute information.
(3) An acquisition unit 303;
and the acquisition unit is used for acquiring the position information of the playing terminal and the load information of the edge node when receiving the live broadcast watching request sent by the playing terminal.
For example, the obtaining unit 303 may specifically be configured to identify, when a live broadcast viewing request sent by a playing terminal is received, a network address corresponding to the playing terminal in the live broadcast viewing request, determine location information of the playing terminal according to the network address, and then directly obtain load information of each edge node in the edge node cluster.
(4) A determination unit 304;
a determining unit 304, configured to determine, according to the location information and the load information, a target edge node for distributing the play data from the edge node cluster.
For example, the determining unit 304 may specifically be configured to screen at least one candidate edge node from the edge node cluster according to the location information, read the current load number of the candidate edge node from the load information, and determine, according to the current load number, a target edge node for distributing the play data from the candidate edge node.
(5) A distribution unit 305;
a distributing unit 305 for distributing the play data to the play terminal through the target edge node.
For example, the distributing unit 305 may be specifically configured to query the target edge node for play data, and when the play data exists in the target edge node, obtain a first storage address of the target edge node in the play data. And sending the first storage address to the playing terminal, so that the playing terminal downloads playing data from the target edge node according to the first storage address and a preset transmission protocol.
In the implementation, each unit may be implemented as an independent entity, or may be implemented as the same entity or several entities in any combination, and the implementation of each unit may be referred to the foregoing method embodiment, which is not described herein again.
As can be seen from the foregoing, in this embodiment, after the receiving unit 301 receives the live broadcast data to be processed generated by the current live broadcast, the live broadcast data to be processed includes a real-time data packet and data frame information corresponding to the real-time data packet, the updating unit 302 sends the real-time data packet to the edge node cluster, updates the play data of the edge node in the edge node cluster according to the data frame information, when receiving the live broadcast viewing request sent by the play terminal, the obtaining unit 303 obtains the position information of the play terminal and the load information of the edge node, then the determining unit 304 determines, according to the position information and the load information, a target edge node for distributing the play data in the edge node cluster, and the distributing unit 305 distributes the play data to the play terminal through the target edge node; according to the scheme, the playing data are distributed to the playing terminal through the edge nodes, so that delay caused by slicing the live broadcast data can be avoided, and the target edge nodes can be determined from the edge node clusters according to the position information of the playing terminal and the load information of the edge nodes, so that delay caused by the playing data in distribution is greatly reduced, and the delay of network live broadcast can be greatly reduced.
The embodiment of the invention also provides an electronic device, as shown in fig. 7, which shows a schematic structural diagram of the electronic device according to the embodiment of the invention, specifically:
the electronic device may include one or more processing cores 'processors 401, one or more computer-readable storage media's memory 402, power supply 403, and input unit 404, among other components. It will be appreciated by those skilled in the art that the electronic device structure shown in fig. 7 is not limiting of the electronic device and may include more or fewer components than shown, or may combine certain components, or a different arrangement of components. Wherein:
the processor 401 is a control center of the electronic device, connects various parts of the entire electronic device using various interfaces and lines, and performs various functions of the electronic device and processes data by running or executing software programs and/or modules stored in the memory 402, and calling data stored in the memory 402, thereby performing overall detection of the electronic device. Optionally, processor 401 may include one or more processing cores; preferably, the processor 401 may integrate an application processor and a modem processor, wherein the application processor mainly processes an operating system, a user interface, an application program, etc., and the modem processor mainly processes wireless communication. It will be appreciated that the modem processor described above may not be integrated into the processor 401.
The memory 402 may be used to store software programs and modules, and the processor 401 executes various functional applications and data processing by executing the software programs and modules stored in the memory 402. The memory 402 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program (such as a sound playing function, an image playing function, etc.) required for at least one function, and the like; the storage data area may store data created according to the use of the electronic device, etc. In addition, memory 402 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid-state storage device. Accordingly, the memory 402 may also include a memory controller to provide the processor 401 with access to the memory 402.
The electronic device further comprises a power supply 403 for supplying power to the various components, preferably the power supply 403 may be logically connected to the processor 401 by a power management system, so that functions of managing charging, discharging, and power consumption are performed by the power management system. The power supply 403 may also include one or more of any of a direct current or alternating current power supply, a recharging system, a power failure detection circuit, a power converter or inverter, a power status indicator, and the like.
The electronic device may further comprise an input unit 404, which input unit 404 may be used for receiving input digital or character information and generating keyboard, mouse, joystick, optical or trackball signal inputs in connection with user settings and function control.
Although not shown, the electronic device may further include a display unit or the like, which is not described herein. In particular, in this embodiment, the processor 401 in the electronic device loads executable files corresponding to the processes of one or more application programs into the memory 402 according to the following instructions, and the processor 401 executes the application programs stored in the memory 402, so as to implement various functions as follows:
receiving live broadcast data to be processed generated by current live broadcast, wherein the live broadcast data to be processed comprises a real-time data packet and data frame information corresponding to the real-time data packet, sending the real-time data packet to an edge node cluster, updating playing data of edge nodes in the edge node cluster according to the data frame information, acquiring position information of a playing terminal and load information of the edge nodes when a live broadcast watching request sent by the playing terminal is received, determining a target edge node for distributing the playing data in the edge node cluster according to the position information and the load information, and distributing the playing data to the playing terminal through the target edge node.
For example, the live broadcast terminal encodes the audio and video data of the live broadcast picture according to a preset live broadcast protocol to obtain a real-time data packet and data frame information corresponding to the real-time data packet, and the real-time data packet and the data frame information are used as the live broadcast data to be processed of the current live broadcast picture to be sent to a live broadcast data processing device, or the live broadcast data to be processed is sent to a push server, and the push server sends the live broadcast data to be processed to the electronic equipment, so that the electronic equipment receives the live broadcast data to be processed. And sending the real-time data packet to the edge node cluster, identifying the play data of each edge node in the edge node cluster, wherein the play data comprises the current data packet, reading the attribute information of the current data packet in the play data, and updating the play data of the edge node according to the data frame information and the attribute information. When a live broadcast watching request sent by a playing terminal is received, a network address corresponding to the playing terminal is identified in the live broadcast data watching request, position information of the playing terminal is determined according to the network address, and then load information of each edge node in the edge node cluster is directly obtained. And screening at least one candidate edge node from the edge node cluster according to the position information, reading the current load quantity of the candidate edge node from the load information, and determining a target edge node for distributing playing data from the candidate edge node according to the current load quantity. Inquiring playing data in the target edge node, and acquiring a first storage address of the target edge node in the playing data when the playing data exist in the target edge node. And sending the first storage address to the playing terminal, so that the playing terminal downloads playing data from the target edge node according to the first storage address and a preset transmission protocol. When the playing data does not exist in the target edge node, the real-time data packet is sent to the target edge node as the playing data, a second storage address of the playing data in the target edge node is obtained, the second storage address is sent to the playing terminal, and the playing terminal downloads the playing data from the target edge node according to the second storage address and a preset transmission protocol.
The specific implementation of each operation may be referred to the previous embodiments, and will not be described herein.
As can be seen from the above, after receiving live broadcast data to be processed generated by current live broadcast, the live broadcast data to be processed includes a real-time data packet and data frame information corresponding to the real-time data packet, the real-time data packet is sent to an edge node cluster, play data of edge nodes in the edge node cluster are updated according to the data frame information, when a live broadcast viewing request sent by a play terminal is received, position information of the play terminal and load information of the edge nodes are obtained, then a target edge node for distributing the play data is determined in the edge node cluster according to the position information and the load information, and the play data is distributed to the play terminal through the target edge node; according to the scheme, the playing data are distributed to the playing terminal through the edge nodes, so that delay caused by slicing the live broadcast data can be avoided, and the target edge nodes can be determined from the edge node clusters according to the position information of the playing terminal and the load information of the edge nodes, so that delay caused by the playing data in distribution is greatly reduced, and the delay of network live broadcast can be greatly reduced.
Those of ordinary skill in the art will appreciate that all or a portion of the steps of the various methods of the above embodiments may be performed by instructions, or by instructions controlling associated hardware, which may be stored in a computer-readable storage medium and loaded and executed by a processor.
To this end, an embodiment of the present invention provides a computer readable storage medium having stored therein a plurality of instructions capable of being loaded by a processor to perform the steps of any of the live data processing methods provided by the embodiments of the present invention. For example, the instructions may perform the steps of:
receiving live broadcast data to be processed generated by current live broadcast, wherein the live broadcast data to be processed comprises a real-time data packet and data frame information corresponding to the real-time data packet, sending the real-time data packet to an edge node cluster, updating playing data of edge nodes in the edge node cluster according to the data frame information, acquiring position information of a playing terminal and load information of the edge nodes when a live broadcast watching request sent by the playing terminal is received, determining a target edge node for distributing the playing data in the edge node cluster according to the position information and the load information, and distributing the playing data to the playing terminal through the target edge node.
For example, the live broadcast terminal encodes the audio and video data of the live broadcast picture according to a preset live broadcast protocol to obtain a real-time data packet and data frame information corresponding to the real-time data packet, and the real-time data packet and the data frame information are used as the live broadcast data to be processed of the current live broadcast picture to be sent to a live broadcast data processing device, or the live broadcast data to be processed is sent to a push server, and the push server sends the live broadcast data to be processed to the electronic equipment, so that the electronic equipment receives the live broadcast data to be processed. And sending the real-time data packet to the edge node cluster, identifying the play data of each edge node in the edge node cluster, wherein the play data comprises the current data packet, reading the attribute information of the current data packet in the play data, and updating the play data of the edge node according to the data frame information and the attribute information. When a live broadcast watching request sent by a playing terminal is received, a network address corresponding to the playing terminal is identified in the live broadcast data watching request, position information of the playing terminal is determined according to the network address, and then load information of each edge node in the edge node cluster is directly obtained. And screening at least one candidate edge node from the edge node cluster according to the position information, reading the current load quantity of the candidate edge node from the load information, and determining a target edge node for distributing playing data from the candidate edge node according to the current load quantity. Inquiring playing data in the target edge node, and acquiring a first storage address of the target edge node in the playing data when the playing data exist in the target edge node. And sending the first storage address to the playing terminal, so that the playing terminal downloads playing data from the target edge node according to the first storage address and a preset transmission protocol. When the playing data does not exist in the target edge node, the real-time data packet is sent to the target edge node as the playing data, a second storage address of the playing data in the target edge node is obtained, the second storage address is sent to the playing terminal, and the playing terminal downloads the playing data from the target edge node according to the second storage address and a preset transmission protocol.
The specific implementation of each operation above may be referred to the previous embodiments, and will not be described herein.
Wherein the computer-readable storage medium may comprise: read Only Memory (ROM), random access Memory (RAM, random Access Memory), magnetic or optical disk, and the like.
Because the instructions stored in the computer readable storage medium can execute the steps in any live broadcast data processing method provided by the embodiment of the present application, the beneficial effects that any live broadcast data processing method provided by the embodiment of the present application can be achieved, which are detailed in the previous embodiments and are not described herein.
Wherein according to an aspect of the application, a computer program product or a computer program is provided, the computer program product or computer program comprising computer instructions stored in a computer readable storage medium. The computer instructions are read from a computer-readable storage medium by a processor of a computer device, and executed by the processor, cause the computer device to perform the methods provided in various alternative implementations of the live data processing aspects described above.
The foregoing has described in detail the method, apparatus and computer readable storage medium for live data processing provided by the embodiments of the present application, and specific examples have been applied herein to illustrate the principles and implementations of the present application, the above description of the embodiments being only for aiding in the understanding of the method and core idea of the present application; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in light of the ideas of the present application, the present description should not be construed as limiting the present application.
Claims (11)
1. A live data processing method, comprising:
receiving live broadcast data to be processed generated by current live broadcast, wherein the live broadcast data to be processed comprises a real-time data packet and data frame information corresponding to the real-time data packet, and the real-time data packet is an RTP data packet corresponding to each picture frame;
the real-time data packet is sent to an edge node cluster, and play data of edge nodes in the edge node cluster are updated according to the data frame information;
when a live broadcast watching request sent by a playing terminal is received, acquiring position information of the playing terminal and load information of an edge node;
determining a target edge node for distributing the play data in the edge node cluster according to the position information and the load information;
and distributing the playing data to the playing terminal through the target edge node.
2. The live data processing method according to claim 1, wherein the determining, from the edge node cluster, a target edge node for distributing the play data according to the location information and the load information includes:
screening at least one candidate edge node from the edge node cluster according to the position information;
Reading the current load quantity of the candidate edge nodes from the load information;
and determining the target edge node for distributing the playing data from the candidate edge nodes according to the current load quantity.
3. The live data processing method according to claim 2, wherein the screening at least one candidate edge node from the edge node cluster according to the location information includes:
according to the position information, calculating the distance between the edge node in the edge node cluster and the playing terminal to obtain the distance information of the edge node;
and screening edge nodes, the distance between which and the playing terminal does not exceed a preset distance threshold, from the edge node cluster based on the distance information to obtain candidate edge nodes.
4. A live data processing method as claimed in claim 3, wherein said determining the target edge node for distributing the play data among the candidate edge nodes according to the current load amount comprises:
reading the target distance between the candidate edge node and the playing terminal from the distance information;
Weighting the current load quantity and the target distance of the candidate edge nodes according to preset load weights and distance weights;
and screening target edge nodes for distributing the playing data from the weighted candidate edge nodes.
5. The live data processing method according to claim 1, wherein the distributing the play data to the play terminal through the target edge node includes:
inquiring the playing data at the target edge node;
when the play data exists in the target edge node, a first storage address of the play data in the target edge node is obtained;
and sending the first storage address to the playing terminal, so that the playing terminal downloads the playing data from the target edge node according to the first storage address and a preset transmission protocol.
6. The live data processing method of claim 5, further comprising:
when the play data does not exist in the target edge node, the real-time data packet is sent to the target edge node as the play data;
acquiring a second storage address of the play data in the target edge node;
And sending the second storage address to the playing terminal, so that the playing terminal downloads the playing data from the target edge node according to the second storage address and the preset transmission protocol.
7. The method for processing live broadcast data according to claim 1, wherein updating the play data of the edge nodes in the edge node cluster according to the data frame information includes:
identifying play data of each edge node in the edge node cluster, wherein the play data comprises a current data packet;
the attribute information of the current data packet is read from the play data;
and updating the playing data of the edge node according to the data frame information and the attribute information.
8. The live broadcast data processing method according to claim 7, wherein updating the play data of the edge node according to the data frame information and the attribute information comprises:
determining current data frame information of the current data packet according to the attribute information;
comparing the data frame information with the current data frame information;
and when the data frame information is different from the current data frame information, replacing the current data packet with the real-time data packet so as to update the playing data of the edge node.
9. A live data processing apparatus, comprising:
the receiving unit is used for receiving live broadcast data to be processed generated by current live broadcast, wherein the live broadcast data to be processed comprises a real-time data packet and data frame information corresponding to the real-time data packet, and the real-time data packet is an RTP data packet corresponding to each picture frame;
the updating unit is used for sending the real-time data packet to an edge node cluster and updating the play data of the edge node in the edge node cluster according to the data frame information;
the device comprises an acquisition unit, a display unit and a display unit, wherein the acquisition unit is used for acquiring the position information of a play terminal and the load information of an edge node when receiving a live broadcast watching request sent by the play terminal;
the determining unit is used for determining a target edge node for distributing the play data in the edge node cluster according to the position information and the load information;
and the distribution unit is used for distributing the play data to the play terminal through the target edge node.
10. A computer readable storage medium storing a plurality of instructions adapted to be loaded by a processor to perform the steps in the live data processing method of any of claims 1 to 8.
11. An electronic device comprising a processor and a memory, the memory storing an application, the processor being configured to run the application in the memory to perform the steps in the live data processing method of any of claims 1 to 8.
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