CN110830814A - Method, device, equipment and medium for reporting live broadcast list in video network - Google Patents
Method, device, equipment and medium for reporting live broadcast list in video network Download PDFInfo
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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
- H04N21/21—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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
- H04L69/161—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields
- H04L69/162—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields involving adaptations of sockets based mechanisms
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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
- H04N21/232—Content retrieval operation locally within server, e.g. reading video streams from disk arrays
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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
- H04N21/239—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests
- H04N21/2393—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests involving handling client requests
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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
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
- H04N21/26258—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists for generating a list of items to be played back in a given order, e.g. playlist, or scheduling item distribution according to such list
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Abstract
The embodiment of the invention provides a method, a device, equipment and a medium for reporting a live list in a video network. The method is applied to a meeting management web end, and a socket long connection exists between the meeting management web end and a meeting management scheduling end, and the method comprises the following steps: receiving request data transmitted by the meeting pipe scheduling end through socket long connection; inquiring live list data matched with the terminal number in a database according to the terminal number in the request data; and receiving the live list data returned by the database, and returning the live list data to the video network terminal corresponding to the terminal number through the meeting management scheduling terminal. The invention enables the request data to be interacted in the video network and other networks, realizes the function of inquiring the live list data after the video network is live broadcast, and saves the labor cost compared with the prior art.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method, an apparatus, a device, and a medium for reporting a live list in a video network.
Background
The video network is a special network for transmitting high-definition video and a special protocol at high speed based on Ethernet hardware, is a higher-level form of the Internet and is a real-time network. The video networking pushes a plurality of internet applications to high-definition video, unification, and high-definition face-to-face. Finally, world no-distance is realized, and the distance between people in the world is only the distance of one screen.
The current video network can carry out high-definition real-time audio and video live broadcast, and the effect of the video network is far better than that of the audio and video live broadcast in the current internet field.
However, in the current live broadcast based on the video network, if important live broadcast related information needs to be archived, a specially-assigned person is used for manual recording, which not only wastes manpower, but also may cause recording errors and errors in the manual recording process, or the problem of completely and completely storing the live broadcast related information is not caused.
Disclosure of Invention
In view of the above, embodiments of the present invention are proposed to provide a method, an apparatus, a device and a medium for reporting a live list in a video network, which overcome the above problems or at least partially solve the above problems.
In a first aspect, to solve the above problem, an embodiment of the present invention discloses a method for reporting a live broadcast list in a video network, where the method is applied to a conference management web end, and a socket long connection exists between the conference management web end and a conference management scheduling end, and the method includes:
receiving request data transmitted by the meeting pipe scheduling end through socket long connection;
inquiring live list data matched with the terminal number in a database according to the terminal number in the request data;
and receiving the live list data returned by the database, and returning the live list data to the video network terminal corresponding to the terminal number through the meeting management scheduling terminal.
Preferably, the step of querying live list data matched with the terminal number in a database according to the terminal number in the request data includes:
analyzing the request data to obtain an operation instruction and the terminal number in the request data;
determining the data type of the request data according to the operation instruction;
and if the data type is the query type, querying the live list data corresponding to the terminal number in the database according to the terminal number.
Preferably, before the step of querying live list data matched with the terminal number in a database according to the terminal number in the request data, the method further includes:
receiving live broadcast starting data transmitted by the meeting management scheduling end through socket long connection; the live broadcast starting data is generated after the live broadcast is initiated according to the live broadcast instruction, and then the terminal sends the live broadcast starting data to the meeting management scheduling terminal through the video network;
and storing the live broadcast starting data to the database.
Preferably, the step of storing the live broadcast start data in the database includes:
receiving the live broadcast starting data through long connection with a socket of the meeting management scheduling end;
analyzing the live broadcast starting data to obtain an operation instruction, a terminal number and a live broadcast state in the data; wherein the live broadcast state is a state of starting live broadcast;
judging the data type of the live broadcast starting data according to the operation instruction;
and if the data type is the live broadcast starting type, storing the live broadcast starting data into the database.
Preferably, after the step of storing the live broadcast start data in the database, the method further includes:
receiving live broadcast stop data transmitted by the meeting management scheduling end through socket long connection; the live broadcast stopping data is generated by the video network terminal when live broadcast is stopped, and then the live broadcast stopping data is sent to the meeting management scheduling terminal through the video network;
and updating the database according to the live broadcast stop data.
Preferably, the step of updating the database according to the live broadcast stop data includes:
analyzing the live broadcast stopping data to obtain an operation instruction, a terminal number and a live broadcast state in the data; wherein the live broadcast state is a state of stopping live broadcast;
determining the data type of the live broadcast stopping data according to the operation instruction;
and if the data type is the live broadcast stopping type, updating the database according to the live broadcast stopping data.
In a second aspect, to solve the above problem, an embodiment of the present invention discloses a device for reporting a live broadcast list in a video network, where the device is applied to a conference management web end, and a socket long connection exists between the conference management web end and a conference management scheduling end, and the device includes:
the request data receiving module is used for receiving the request data transmitted by the meeting pipe scheduling end through the socket long connection;
the request data query module is used for querying live list data matched with the terminal number in a database according to the terminal number in the request data;
and the request data feedback module is used for receiving the live list data returned by the database and returning the live list data to the video network terminal corresponding to the terminal number through the meeting management scheduling terminal.
Preferably, the request data query module includes:
the request data analysis submodule is used for analyzing the request data to obtain an operation instruction and the terminal number in the request data;
a request data type determining submodule, configured to determine a data type of the request data according to the operation instruction;
and the request data query submodule is used for querying the live list data corresponding to the terminal number in the database according to the terminal number if the data type is the query type.
Preferably, the apparatus further comprises:
the live broadcast starting data receiving module is used for receiving live broadcast starting data transmitted by the meeting pipe scheduling end through socket long connection; the live broadcast starting data is generated after the live broadcast is initiated according to the live broadcast instruction, and then the terminal sends the live broadcast starting data to the meeting management scheduling terminal through the video network;
and the live broadcast starting data storage module is used for storing the live broadcast starting data to the database.
Preferably, the live broadcast start data storage module includes:
the live broadcast starting data analysis submodule is used for analyzing the live broadcast starting data to obtain an operation instruction, a terminal number and a live broadcast state in the data; wherein the live broadcast state is a state of starting live broadcast;
the data type judgment submodule is used for judging the data type of the live broadcast starting data according to the operation instruction;
and the live broadcast starting data storage submodule is used for storing the live broadcast starting data into the database if the data type is the live broadcast starting type.
Preferably, the apparatus further comprises:
the live broadcast stopping data receiving module is used for receiving live broadcast stopping data transmitted by the meeting management scheduling end through socket long connection; the live broadcast stopping data is generated by the video network terminal when live broadcast is stopped, and then the live broadcast stopping data is sent to the meeting management scheduling terminal through the video network;
and the live broadcast stopping data updating module is used for updating the database according to the live broadcast stopping data.
Preferably, the live broadcast stop data updating module includes:
the live broadcast stopping data analysis submodule is used for analyzing the live broadcast stopping data to obtain an operation instruction, a terminal number and a live broadcast state in the data; wherein the live broadcast state is a state of stopping live broadcast;
the live broadcast stopping data type determining submodule is used for determining the data type of the live broadcast stopping data according to the operation instruction;
and the live broadcast stopping data updating submodule is used for updating the database according to the live broadcast stopping data if the data type is a live broadcast stopping type.
In a third aspect, to solve the above problem, an embodiment of the present invention discloses a computer-readable storage medium, on which a computer program is stored, which when executed by a processor implements the steps in any of the methods according to the first aspect.
In a fourth aspect, to solve the above problem, an embodiment of the present invention discloses an electronic device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, and when the processor executes the computer program, the electronic device implements the steps of any one of the methods according to the first aspect.
The embodiment of the invention has the following advantages:
the method receives the request data transmitted by the conference management scheduling end through the socket long connection, so that the request data is transmitted to other networks from the video network, and the interaction between the video network data and other network types is realized; according to the terminal number in the request data, live list data matched with the terminal number in a database are inquired, the live list data returned by the database are received, and the live list data are returned to the video network terminal corresponding to the terminal number through the meeting management scheduling terminal, so that the function of inquiring the live list data after video network live broadcast is realized, and compared with the prior art, the labor cost is saved.
Drawings
Fig. 1 is a flow chart of a method for reporting a live list in a video network according to the present invention;
FIG. 2 is a flow chart of a method for querying live listing data within a video network in accordance with the present invention;
FIG. 3 is a flow chart of a method for storing live related information in a video network according to the present invention;
FIG. 4 is a flow chart of a method for updating live status within a video network of the present invention;
fig. 5 is a block diagram of a method for reporting a live list in a video network according to an embodiment of the present invention;
fig. 6 is a structural diagram of a device for reporting a live list in a video network according to the present invention;
FIG. 7 is a networking schematic of a video network of the present invention;
FIG. 8 is a diagram of a hardware architecture of a node server according to the present invention;
fig. 9 is a schematic diagram of a hardware structure of an access switch of the present invention;
fig. 10 is a schematic diagram of a hardware structure of an ethernet protocol conversion gateway according to the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
At present, in a video networking environment, a video networking terminal initiates live broadcasting through a remote controller, and a completed live broadcasting list, such as information of a live broadcasting name, live broadcasting start time, a live broadcasting state and the like, cannot be viewed in any mode after the live broadcasting is completed. The invention reports the live broadcast list to the video network conference management platform, and then the video network terminal acquires the live broadcast list when needing to check the live broadcast list, thereby solving the problem that the video network terminal can not check the live broadcast list, wherein, the video network terminal and the conference management scheduling terminal are connected based on the video network, the conference management scheduling terminal and the conference management web terminal complete the communication between the video network terminal and the conference management web terminal through socket long connection not based on the video network connection but based on other networks, and the video network conference management platform comprises: a meeting management scheduling end, a meeting management web end and a database.
Referring to fig. 1, a flowchart of a method for reporting a live list in a video network according to the present invention is shown, the method is applied to a conference management web end in a video network conference management platform, a socket long connection exists between the conference management web end and a conference management scheduling end, and the method for reporting the live list includes the following steps:
step 101: and receiving the request data transmitted by the meeting pipe scheduling end through the socket long connection.
The noun explains:
socket long connection: during the connection holding period, if no data packet is sent, both sides are required to send a link detection packet, and only one socket object is used by the client and the server.
In the embodiment of the invention, the operation of inquiring the live list data is initiated by the video network terminal. Because the video network terminal and the conference management platform are connected through the video network, the video network terminal can send data to a conference management scheduling terminal in the video network conference management platform, the data comprises request data for inquiring acquisition live list data corresponding to the terminal number of the video network terminal, and the live list data is stored in a database in the conference management platform.
For example, a video network terminal receives a query instruction sent by a remote control, and initiates a query operation according to the query instruction, and the terminal generates request data, wherein the request data comprises a terminal number and an operation instruction; or the video network terminal directly generates request data according to the operation of starting live broadcasting by the user, wherein the request data comprises a terminal number and an operation instruction.
Then, the terminal transmits the request data to the conference management scheduling terminal. Specifically, the video network terminal and the conference management scheduling terminal have one autonomy, and an autonomy number corresponding to the autonomy is registered in the conference management scheduling terminal. The video network terminal finds the corresponding meeting management dispatching end according to the autonomous number, and the terminal can send the request data to the meeting management dispatching end through the transparent transmission channel according to the transparent transmission protocol of the video network terminal and the meeting management dispatching end.
In the embodiment of the invention, the request data is transmitted according to the autonomous and transparent transmission channels, so that the safety of data transmission is ensured.
In the embodiment of the invention, the socket long connection is established and exists all the time when the video networking terminal sends the request for storing the relevant live broadcast information to the video networking conference management platform. And after receiving the request data sent by the video network terminal, the conference management scheduling end transmits the request data to the conference management web end through the transparent transmission protocol of the conference management scheduling end and the transparent transmission protocol of the conference management web end and the long socket connection between the conference management scheduling end and the conference management web end. The conference management web end mainly performs functions of page display, data statistics, live list data storage in a database and the like, for example, a web client running on a personal computer or a web client running on a personal computer pc can independently query data stored in the database and display the data to a user in a web page form, the data can be subjected to data statistics through the support of a background Java program, and the live list data from a video network terminal can be identified and stored in the database.
It should be noted that the session management scheduling end sends the request data in the video networking to the non-video networking network, and therefore, before sending the request data to the session management web end, the session management scheduling end will replace the video networking header in the request data with the header corresponding to the communication network of the session management web end, and the data load of the session management scheduling end is not changed, and finally the request data with the changed header is transmitted to the session management web end through the socket long connection. The conference management web end receives the request data of the changed message header.
In this embodiment, the meeting pipe scheduling end sends the request data to the meeting pipe web end through the socket long connection, so that the use of a CPU and a memory is reduced, frequent establishment and closing of the connection are not required, and network congestion is reduced.
And 102, inquiring live list data matched with the terminal number in a database according to the terminal number in the request data.
In the embodiment of the present invention, after receiving the request data of the changed header transparently transmitted by the meeting management scheduling end, the meeting management web end firstly analyzes the data, and reads the content of the information, where the content includes: a terminal number and an operation instruction; because the terminal sends many types of message data to the meeting pipe web end through the meeting pipe scheduling end, including the types of the message data such as video phones, broadcasting live broadcasts, starting conferences, ordering, watching and monitoring, and the like, the meeting pipe web end judges the type of the received message data according to the operation instruction, and then performs corresponding operations. If the operation instruction is an instruction for inquiring the live broadcast related information, the conference management web end judges that the received request data is the type of inquiring the live broadcast related information; and because the operation instruction contains the size of the acquired live list data, the conference management web end inquires all historical live related information of the terminal number participating in the range of acquiring the size of the live list data, such as a live name, live start time, a live state and the like, in the database according to the terminal number in the request data, and returns the acquired live list data to the conference management web end.
For example, the conference management web end receives a message data, analyzes the message data to obtain a terminal number 031-. For example, discussion about product upgrade scenarios, 2019/2/310:30:00, start live, discuss about customer segment analysis, 2018/3/414:00:00, stop live. The field in the database about the live broadcast status may indicate the status of opening the live broadcast by 0, the status of stopping the live broadcast by 1, or the live broadcast status may be indicated by a true or false in boolean (boolean), a character type (char) or another data type, respectively. Thus, the above examples may be discussions on product upgrade scenarios, 2019/2/310:30:00, 0, seminars on customer group analysis, 2018/3/414:00:00, 1; and finally, returning the acquired live list data to the conference management web terminal.
In the embodiment of the invention, the video network terminal can search the required related information of the live broadcast state according to the actual requirement by controlling the size of the obtained live broadcast list data, thereby meeting the diversified requirements of users.
And 103, receiving the live broadcast list data returned by the database, and returning the live broadcast list data to the video network terminal corresponding to the terminal number through the conference management scheduling terminal.
In the embodiment of the invention, the meeting management web end packs the live list data returned by the database, and sends the packed data to the meeting management scheduling end according to the transparent transmission protocol of the meeting management web end and the meeting management scheduling end and the socket long connection; the meeting management dispatching end receives the data packet and replaces the message header of the data packet with the video network message header; the meeting management dispatching end transmits the packed data of the replaced message header to the video network terminal according to the transparent transmission protocol between the meeting management dispatching end and the video network terminal, and the terminal analyzes the packed data after receiving the packed data to obtain the terminal number and the live broadcast related information corresponding to the data size of the live broadcast list, and displays the information on a terminal display in the forms of a list or a statistical chart and the like.
In the embodiment of the invention, the conference management web end changes the message header of the packed data into the message header of the video network, so that other network attack means can invalidate the data packet, and the safety of the data packet in the video network is ensured.
Referring to fig. 2, a flowchart of a method for querying live list data in a video network according to the present invention is shown, and the specific steps are as follows:
In the embodiment of the invention, the meeting management web end and the meeting management scheduling end have a transparent transmission protocol, and a pre-established socket long connection is formed between the meeting management web end and the meeting management scheduling end. And the conference management web end receives the request data according to the protocol and the socket long connection.
In the embodiment of the invention, the conference management web end firstly analyzes the request data to obtain an operation instruction for commanding the next operation of the conference management web end and a terminal number for database query.
For example, after receiving a request data, the conference management web site first needs to parse the data to obtain an operation instruction and a terminal number, such as an instruction for querying live related information, 031-; and then, the conference management web end executes the operation of inquiring the corresponding live broadcast related information by using the terminal number according to the obtained operation instruction.
And 204, if the data type is the query type, querying the live list data corresponding to the terminal number in the database according to the terminal number.
In the embodiment of the invention, because the message data types received by the conference management scheduling end are various, such as the message data types of video phones, live broadcasting, conference starting, on-demand broadcasting, watching monitoring and the like, the conference management web end needs to judge the message types of the received messages according to the operation instructions and further process the message data. And when the meeting pipe web end judges that the data type of the request data is the query type through the operation instruction, automatically generating an SQL query statement according to the size of the live list data acquired from the analyzed terminal number and the operation instruction, querying the corresponding live list data in a database by using the SQL query statement, and returning the live list data to the meeting pipe web end by the database.
And step 205, receiving the live list data returned by the database, and returning the live list data to the video network terminal corresponding to the terminal number through the conference management scheduling terminal.
In the embodiment of the present invention, the process of returning the live list data to the terminal of the video network through the conference management scheduling end by the conference management web end is the same as that in step 103, and the description is not repeated here.
Referring to fig. 3, a flowchart of a method for storing live related information in a video network according to the present invention is shown, and the specific steps are as follows:
In the embodiment of the invention, the live broadcast starting data is generated after the video networking terminal receives a live broadcast instruction sent by a remote controller and initiates live broadcast according to the live broadcast instruction. The method comprises the steps that a remote controller sends a live broadcast starting instruction to a video network terminal, and after the video network terminal receives the live broadcast starting instruction, the video network terminal initiates live broadcast according to the live broadcast starting instruction and generates live broadcast starting data containing the live broadcast starting instruction and a terminal number of the terminal; wherein, the instruction for starting the live broadcast is an operation instruction.
For example, the command 0x1678 for starting live broadcast may be used by the web site to determine that the live broadcast start data is a data type for starting live broadcast according to the command.
And then the terminal sends the live broadcast starting data to the meeting management scheduling terminal through a video network. Namely, there is an autonomy between the terminal of the video network and the conference management scheduling terminal, the terminal of the video network has an autonomy number, and the autonomy number is registered at the conference management scheduling terminal. Therefore, the video network terminal can find the corresponding conference management scheduling terminal according to the self-governing number. And because the video network terminal and the meeting management scheduling terminal are provided with an unvarnished transmission protocol and an unvarnished transmission channel, the video network terminal sends the live broadcast starting data to the meeting management scheduling terminal through the unvarnished transmission channel by the autonomous number and the protocol. It should be noted that the transparent transmission channel is established based on the video network.
After the meeting management scheduling end receives the live broadcast starting data, because the data is transmitted in the video network and the data is transmitted to the non-video network by the meeting management scheduling end, the meeting management scheduling end firstly replaces the video network message header of the live broadcast starting data with the message header of the internet or other non-video network, and the data load is unchanged. And because the meeting management dispatching end and the meeting management web end are provided with a transparent transmission protocol and a preset socket long connection, the meeting management dispatching end can transmit the live broadcast starting data of the changed message header to the meeting management web end through the socket long connection according to the transparent transmission protocol, and the meeting management web end receives the live broadcast starting data.
In the embodiment of the invention, the conference management scheduling end realizes data interaction between the video network and the non-video network by replacing the message header of the live broadcast start data.
In the embodiment of the invention, the conference management web side stores the live broadcast starting data into the database through the database updating statement.
In practical applications, the step 302 includes the following sub-steps:
and a substep 3021, analyzing the live broadcast start data to obtain an operation instruction, a terminal number, and a live broadcast state in the data.
And a substep 3022, determining a data type of the live broadcast starting data according to the operation instruction.
And a substep 3023, if the data type is the live broadcast starting type, storing the live broadcast starting data in the database.
Specifically, after receiving the live broadcast start data of the changed message header in step 301 through the socket long connection with the conference management scheduling end, the conference management web end firstly parses the data to obtain a terminal number uniquely identifying the video network terminal, an operation instruction for characterizing the start of live broadcast, a live broadcast name of the live broadcast, a live broadcast start time for characterizing the current live broadcast start time, and a live broadcast state for characterizing the current live broadcast state, where the live broadcast state is the live broadcast start state and can be represented by a true or false in a boolean data type (boolean) or by 0 and 1 or a character data type (char). Then, the meeting management web end judges that the data type of the live broadcast starting data is a live broadcast starting type according to the operation instruction, and generates a newly added data SQL statement according to the terminal number, the live broadcast name, the live broadcast starting time and the live broadcast state; finally, the SQL statement is sent to a database, and the database stores information contained in the SQL statement, such as a terminal number, a live broadcast name, live broadcast start time and a live broadcast state; the terminal number is used as a main key, and the live broadcast name, the live broadcast starting time and the live broadcast state are used as value keys.
Referring to fig. 4, a flowchart of a method for updating a live broadcast status in a video network according to the present invention is shown, where after the live broadcast start data is stored in the database, the method specifically includes the following steps:
and step 401, receiving live broadcast stop data transmitted by the meeting pipe scheduling end through socket long connection.
In the embodiment of the invention, the live broadcast stopping data is generated by the video network terminal when the live broadcast is stopped. The video network terminal receives the instruction and generates live broadcast stopping data through the instruction; the video networking terminal can also directly carry out the operation of stopping live broadcasting to generate live broadcasting stopping data; wherein the live broadcast stop data includes: the live broadcast system comprises a terminal number, a live broadcast name, live broadcast starting time, a live broadcast state and an operation instruction, wherein the live broadcast stopping data are all related data information of the current live broadcast participation of the video network terminal, and the live broadcast state is a live broadcast stopping state. And because the video network terminal and the meeting management scheduling terminal are provided with an unvarnished transmission protocol and an unvarnished transmission channel, the video network terminal and the meeting management scheduling terminal are provided with autonomy, and the corresponding autonomy number is registered at the meeting management scheduling terminal, the video network terminal sends the live broadcast stop data to the meeting management scheduling terminal through the unvarnished transmission channel according to the protocol and the autonomy number. It should be noted that the transparent transmission channel is established based on the video network. In practical application, the operation instruction comprises a transparent transmission protocol instruction of the video network terminal and the conference management scheduling terminal, a transparent transmission protocol instruction of the conference management scheduling terminal and the conference management web terminal, and a corresponding terminal number of the video network terminal, and the function of calling the specified transparent transmission protocol for the specified video network terminal can be achieved through the instructions and the terminal number.
In the embodiment of the invention, the live broadcast stopping data is transmitted according to the autonomous and transparent transmission channels, so that the safety of data transmission is ensured.
And then, sending the live broadcast stop data to the conference management scheduling terminal through the video network. Namely, the meeting management scheduling terminal receives live broadcast stopping data sent by the video network terminal through the transparent transmission channel. Because the meeting management scheduling end and the meeting management web end are connected by a transparent transmission protocol and a preset socket length, the meeting management scheduling end sends the live broadcast stop data to the meeting management web end through the transparent transmission protocol and the socket length connection. It should be noted that the schedule server and the web server are not based on the communication connection established by the internet of view, but they may be based on the internet or other networks.
Meanwhile, before the live broadcast stopping data is sent to the meeting pipe web end, because the data is forwarded to the non-video network from the video network, the meeting pipe dispatching end changes the message header of the received live broadcast stopping data, namely, the video network message header is replaced by the message header corresponding to the network where the meeting pipe dispatching end and the meeting pipe web end are located, such as the internet message header, the live broadcast stopping data replacing the message header does not change the data load of the message header, and finally the live broadcast stopping data replacing the message header is transmitted to the meeting pipe web end through socket long connection. The session management web end receives the live broadcast stop data replacing the message header.
In the implementation, the meeting management scheduling end sends live broadcast stop data to the meeting management web end through the socket long connection, so that the use of a CPU and a memory is reduced, frequent establishment and closing of the connection are not needed, the network congestion is reduced, and meanwhile, after the socket long connection is established, TCP does not need to be established, and the processes of TCP handshaking and the like are not needed, so that the response time of subsequent requests is reduced; in addition, the conference management scheduling end realizes data interaction between the video network and the non-video network by replacing the live broadcast stop data message header.
In the embodiment of the invention, the conference management web side updates the live broadcast stop data into the database by using the database data updating statement.
In practical applications, the step 402 further includes the following sub-steps:
Sub-step 4022, determining the data type of the live broadcast stop data according to the operation instruction.
And a substep 4023, if the data type is the live broadcast stopping type, updating the database according to the live broadcast stopping data.
Specifically, after receiving the live broadcast stop data of the replaced message header in step 401 through the long socket connection of the conference management scheduling end, the conference management web end firstly parses the live broadcast stop data to obtain a terminal number, a live broadcast name, a live broadcast start time, and a live broadcast state, where the live broadcast state indicates a state of stopping live broadcast, and the live broadcast state may be represented by true or false in a boolean data type (boolean), or by 0 and 1, or a character data type (char). And finally, the webmaster will manage to generate a data-updated SQL statement by taking the terminal number, the live broadcast name and the live broadcast start time as conditions and taking the live broadcast state as a change value after judging that the data type of the live broadcast stop data is the live broadcast type for stopping live broadcast according to the operation instruction, and finally sending the SQL statement to a database to change the live broadcast state value in the data corresponding to the terminal number, the live broadcast name and the live broadcast start time in the database into the live broadcast state value in the current SQL statement, namely updating the data into the state value representing live broadcast stop.
Referring to fig. 5, a block diagram of a method for reporting a live list in a video network according to the present invention is shown.
Firstly, a remote controller initiates or stops live broadcast operation to a video networking terminal; then, the video network terminal sends the live broadcast related data to a meeting management scheduling terminal; the meeting management scheduling end sends the live broadcast related information to the meeting management web end; the conference management web end stores the data into a database or updates a live broadcast state value in the database according to the data; then the video network terminal sends a request for acquiring the live broadcast to the meeting management scheduling end, and the meeting management scheduling end sends the request to the meeting management web end through socket long connection; then the web end is managed to analyze the request data and judge the data type of the request, and the query operation is executed according to the judged query data type; then the meeting management scheduling end inquires corresponding live list data in a database according to the analysis data in the request data; and finally, the meeting management web end returns the live list data to the video network terminal through the meeting management scheduling end, so that the live list data is displayed on a display by the video network terminal.
The beneficial effects of the above embodiment are as follows:
the method receives the request data transmitted by the conference management scheduling end through the socket long connection, so that the request data is transmitted to other networks from the video network, and the interaction between the video network data and other network types is realized; according to the terminal number in the request data, live list data matched with the terminal number in a database are inquired, the live list data returned by the database are received, and the live list data are returned to the video network terminal corresponding to the terminal number through the meeting management scheduling terminal, so that the function of inquiring the live list data after video network live broadcast is realized, and compared with the prior art, the labor cost is saved.
It should be noted that, for simplicity of description, the method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present invention is not limited by the illustrated order of acts, as some steps may occur in other orders or concurrently in accordance with the embodiments of the present invention. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred and that no particular act is required to implement the invention.
Referring to fig. 6, a structural diagram of a device for reporting a live broadcast list in a video network is shown, where the device is applied to a conference management web end, and a socket long connection exists between the conference management web end and a conference management scheduling end. The method specifically comprises the following steps:
and a request data receiving module 601, configured to receive the request data transparently transmitted by the meeting pipe scheduling end through the socket long connection.
And the request data query module 602 is configured to query, according to the terminal number in the request data, live list data in which a database is matched with the terminal number.
Preferably, the request data query module 602 includes the following sub-modules:
and the request data analysis submodule is used for analyzing the request data to obtain the operation instruction and the terminal number in the request data.
And the request data type determining submodule is used for determining the data type of the request data according to the operation instruction.
And the request data query submodule is used for querying the live list data corresponding to the terminal number in the database according to the terminal number if the data type is the query type.
And a request data feedback module 603, configured to receive the live list data returned by the database, and return the live list data to the video network terminal corresponding to the terminal number through the conference management scheduling end.
A live broadcast start data receiving module 604, configured to receive live broadcast start data that is transparently transmitted by the meeting pipe scheduling end through socket long connection; the live broadcast starting data is generated after the live broadcast is initiated according to the live broadcast instruction, and then the terminal sends the live broadcast starting data to the meeting management scheduling terminal through the video network.
A live broadcast start data storage module 605, configured to store the live broadcast start data in the database.
Preferably, the live broadcast start data storage module comprises the following sub-modules:
the live broadcast starting data analysis submodule is used for analyzing the live broadcast starting data to obtain an operation instruction, a terminal number and a live broadcast state in the data; wherein, the live broadcast state is a state of starting live broadcast.
And the data type judgment submodule is used for judging the data type of the live broadcast starting data according to the operation instruction.
And the live broadcast starting data storage submodule is used for storing the live broadcast starting data into the database if the data type is the live broadcast starting type.
A live broadcast stop data receiving module 606, configured to receive live broadcast stop data that is transparently transmitted by the meeting pipe scheduling end through socket long connection; the live broadcast stopping data is generated by the video network terminal when the live broadcast is stopped, and then the live broadcast stopping data is sent to the meeting management scheduling terminal through the video network.
And a live broadcast stop data updating module 607, configured to update the database according to the live broadcast stop data.
Preferably, the live broadcast stop data updating module comprises the following sub-modules:
the live broadcast stopping data analysis submodule is used for analyzing the live broadcast stopping data to obtain an operation instruction, a terminal number and a live broadcast state in the data; and the live broadcast state is a state of stopping live broadcast.
And the live broadcast stopping data type determining submodule is used for determining the data type of the live broadcast stopping data according to the operation instruction.
And the live broadcast stopping data updating submodule is used for updating the database according to the live broadcast stopping data if the data type is a live broadcast stopping type.
Based on the same inventive concept, another embodiment of the present invention provides a computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, implements the steps in the method according to any of the above-mentioned embodiments of the present application.
Based on the same inventive concept, another embodiment of the present invention provides an electronic device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the steps of the method according to any of the above embodiments of the present application when executing the computer program.
For the device embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, refer to the partial description of the method embodiment.
To better understand the embodiments of the present invention, the following description refers to the internet of view:
some of the technologies applied in the video networking are as follows:
network technology (network technology)
Network technology innovation in video networking has improved over traditional Ethernet (Ethernet) to face the potentially enormous video traffic on the network. Unlike pure network Packet Switching (Packet Switching) or network circuit Switching (circuit Switching), the Packet Switching is adopted by the technology of the video networking to meet the Streaming requirement. The video networking technology has the advantages of flexibility, simplicity and low price of packet switching, and simultaneously has the quality and safety guarantee of circuit switching, thereby realizing the seamless connection of the whole network switching type virtual circuit and the data format.
Switching Technology (Switching Technology)
The video network adopts two advantages of asynchronism and packet switching of the Ethernet, eliminates the defects of the Ethernet on the premise of full compatibility, has end-to-end seamless connection of the whole network, is directly communicated with a user terminal, and directly bears an IP data packet. The user data does not require any format conversion across the entire network. The video networking is a higher-level form of the Ethernet, is a real-time exchange platform, can realize the real-time transmission of the whole-network large-scale high-definition video which cannot be realized by the existing Internet, and pushes a plurality of network video applications to high-definition and unification.
Network Security Technology (Network Security Technology)
The structural design of the video network completely eliminates the network security problem troubling the internet structurally by the modes of independent service permission control each time, complete isolation of equipment and user data and the like, generally does not need antivirus programs and firewalls, avoids the attack of hackers and viruses, and provides a structural carefree security network for users.
Networking of the video network is as follows:
the video network is a centralized control network structure, and the network can be a tree network, a star network, a ring network and the like, but on the basis of the centralized control node, the whole network is controlled by the centralized control node in the network.
As shown in fig. 7, the video network is divided into an access network and a metropolitan network.
The devices of the access network part can be mainly classified into 3 types: node server, access switch, terminal (including various set-top boxes, coding boards, memories, etc.). The node server is connected to an access switch, which may be connected to a plurality of terminals and may be connected to an ethernet network.
The node server is a node which plays a centralized control function in the access network and can control the access switch and the terminal. The node server can be directly connected with the access switch or directly connected with the terminal.
Similarly, devices of the metropolitan network portion may also be classified into 3 types: a metropolitan area server, a node switch and a node server. The metro server is connected to a node switch, which may be connected to a plurality of node servers.
The node server is a node server of the access network part, namely the node server belongs to both the access network part and the metropolitan area network part.
The metropolitan area server is a node which plays a centralized control function in the metropolitan area network and can control a node switch and a node server. The metropolitan area server can be directly connected with the node switch or directly connected with the node server.
Therefore, the whole video network is a network structure with layered centralized control, and the network controlled by the node server and the metropolitan area server can be in various structures such as tree, star and ring.
The access network part can form a unified video platform (the part in the dotted circle), and a plurality of unified video platforms can form a video network; each unified video platform may be interconnected via metropolitan area and wide area video networking.
Video networking device classification
1.1 devices in the video network of the embodiment of the present invention can be mainly classified into 3 types: servers, switches (including ethernet gateways), terminals (including various set-top boxes, code boards, memories, etc.). The video network as a whole can be divided into a metropolitan area network (or national network, global network, etc.) and an access network.
1.2 wherein the devices of the access network part can be mainly classified into 3 types: node servers, access switches (including ethernet gateways), terminals (including various set-top boxes, code boards, memories, etc.).
The specific hardware structure of each access network device is as follows:
a node server:
as shown in fig. 8, the system mainly includes a network interface module 201, a switching engine module 202, a CPU module 203, and a disk array module 204;
the network interface module 201, the CPU module 203, and the disk array module 204 all enter the switching engine module 202; the switching engine module 202 performs an operation of looking up the address table 205 on the incoming packet, thereby obtaining the direction information of the packet; and stores the packet in a queue of the corresponding packet buffer 206 based on the packet's steering information; if the queue of the packet buffer 206 is nearly full, it is discarded; the switching engine module 202 polls all packet buffer queues for forwarding if the following conditions are met: 1) the port send buffer is not full; 2) the queue packet counter is greater than zero. The disk array module 204 mainly implements control over the hard disk, including initialization, read-write, and other operations on the hard disk; the CPU module 203 is mainly responsible for protocol processing with an access switch and a terminal (not shown in the figure), configuring an address table 205 (including a downlink protocol packet address table, an uplink protocol packet address table, and a data packet address table), and configuring the disk array module 204.
The access switch:
as shown in fig. 9, the network interface module (downlink network interface module 301, uplink network interface module 302), switching engine module 303 and CPU module 304 are mainly included;
wherein, the packet (uplink data) coming from the downlink network interface module 301 enters the packet detection module 305; the packet detection module 305 detects whether the Destination Address (DA), the Source Address (SA), the packet type, and the packet length of the packet meet the requirements, and if so, allocates a corresponding stream identifier (stream-id) and enters the switching engine module 303, otherwise, discards the stream identifier; the packet (downstream data) coming from the upstream network interface module 302 enters the switching engine module 303; the incoming data packet of the CPU module 304 enters the switching engine module 303; the switching engine module 303 performs an operation of looking up the address table 306 on the incoming packet, thereby obtaining the direction information of the packet; if the packet entering the switching engine module 303 is from the downstream network interface to the upstream network interface, the packet is stored in the queue of the corresponding packet buffer 307 in association with the stream-id; if the queue of the packet buffer 307 is nearly full, it is discarded; if the packet entering the switching engine module 303 is not from the downlink network interface to the uplink network interface, the data packet is stored in the queue of the corresponding packet buffer 307 according to the guiding information of the packet; if the queue of the packet buffer 307 is nearly full, it is discarded.
The switching engine module 303 polls all packet buffer queues, which in this embodiment of the present invention is divided into two cases:
if the queue is from the downlink network interface to the uplink network interface, the following conditions are met for forwarding: 1) the port send buffer is not full; 2) the queued packet counter is greater than zero; 3) obtaining a token generated by a code rate control module;
if the queue is not from the downlink network interface to the uplink network interface, the following conditions are met for forwarding: 1) the port send buffer is not full; 2) the queue packet counter is greater than zero.
The rate control module 208 is configured by the CPU module 204, and generates tokens for packet buffer queues from all downstream network interfaces to upstream network interfaces at programmable intervals to control the rate of upstream forwarding.
The CPU module 304 is mainly responsible for protocol processing with the node server, configuration of the address table 306, and configuration of the code rate control module 308.
Ethernet protocol conversion gateway：
As shown in fig. 10, the system mainly includes a network interface module (a downlink network interface module 401 and an uplink network interface module 402), a switching engine module 403, a CPU module 404, a packet detection module 405, a rate control module 408, an address table 406, a packet buffer 407, a MAC adding module 409, and a MAC deleting module 410.
Wherein, the data packet coming from the downlink network interface module 401 enters the packet detection module 405; the packet detection module 405 detects whether the ethernet MAC DA, the ethernet MAC SA, the ethernet length or frame type, the video network destination address DA, the video network source address SA, the video network packet type, and the packet length of the packet meet the requirements, and if so, allocates a corresponding stream identifier (stream-id); then, the MAC deletion module 410 subtracts MAC DA, MAC SA, length or frame type (2byte) and enters the corresponding receiving buffer, otherwise, discards it;
the downlink network interface module 401 detects the sending buffer of the port, and if there is a packet, obtains the ethernet MAC DA of the corresponding terminal according to the destination address DA of the packet, adds the ethernet MAC DA of the terminal, the MACSA of the ethernet coordination gateway, and the ethernet length or frame type, and sends the packet.
The other modules in the ethernet protocol gateway function similarly to the access switch.
A terminal:
the system mainly comprises a network interface module, a service processing module and a CPU module; for example, the set-top box mainly comprises a network interface module, a video and audio coding and decoding engine module and a CPU module; the coding board mainly comprises a network interface module, a video and audio coding engine module and a CPU module; the memory mainly comprises a network interface module, a CPU module and a disk array module.
1.3 devices of the metropolitan area network part can be mainly classified into 2 types: node server, node exchanger, metropolitan area server. The node switch mainly comprises a network interface module, a switching engine module and a CPU module; the metropolitan area server mainly comprises a network interface module, a switching engine module and a CPU module.
2. Video networking packet definition
2.1 Access network packet definition
The data packet of the access network mainly comprises the following parts: destination Address (DA), Source Address (SA), reserved bytes, payload (pdu), CRC.
As shown in the following table, the data packet of the access network mainly includes the following parts:
| DA | SA | Reserved | Payload | CRC |
wherein:
the Destination Address (DA) is composed of 8 bytes (byte), the first byte represents the type of the data packet (such as various protocol packets, multicast data packets, unicast data packets, etc.), there are 256 possibilities at most, the second byte to the sixth byte are metropolitan area network addresses, and the seventh byte and the eighth byte are access network addresses;
the Source Address (SA) is also composed of 8 bytes (byte), defined as the same as the Destination Address (DA);
the reserved byte consists of 2 bytes;
the payload part has different lengths according to different types of datagrams, and is 64 bytes if the datagram is various types of protocol packets, and is 32+1024 or 1056 bytes if the datagram is a unicast packet, of course, the length is not limited to the above 2 types;
the CRC consists of 4 bytes and is calculated in accordance with the standard ethernet CRC algorithm.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, embodiments of the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
Embodiments of the present invention are described with reference to flowchart illustrations and/or block diagrams of methods, terminal devices (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing terminal to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing terminal to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing terminal to cause a series of operational steps to be performed on the computer or other programmable terminal to produce a computer implemented process such that the instructions which execute on the computer or other programmable terminal provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the invention.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The method, the device, the equipment and the medium for reporting the live broadcast list in the video network are introduced in detail, and a specific example is applied in the text to explain the principle and the implementation mode of the invention, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. A method for reporting a live list in a video network is characterized in that the method is applied to a meeting management web end, and a socket long connection exists between the meeting management web end and a meeting management scheduling end, and the method comprises the following steps:
receiving request data transmitted by the meeting pipe scheduling end through socket long connection;
inquiring live list data matched with the terminal number in a database according to the terminal number in the request data;
and receiving the live list data returned by the database, and returning the live list data to the video network terminal corresponding to the terminal number through the meeting management scheduling terminal.
2. The method according to claim 1, wherein the step of querying live list data matching the terminal number in a database according to the terminal number in the request data comprises:
analyzing the request data to obtain an operation instruction and the terminal number in the request data;
determining the data type of the request data according to the operation instruction;
and if the data type is the query type, querying the live list data corresponding to the terminal number in the database according to the terminal number.
3. The method according to claim 1, before the step of querying live list data matching the terminal number in a database according to the terminal number in the request data, further comprising:
receiving live broadcast starting data transmitted by the meeting management scheduling end through socket long connection; the live broadcast starting data is generated after the live broadcast is initiated according to the live broadcast instruction, and then the terminal sends the live broadcast starting data to the meeting management scheduling terminal through the video network;
and storing the live broadcast starting data to the database.
4. The method of claim 3, wherein the step of storing the live start data to the database comprises:
analyzing the live broadcast starting data to obtain an operation instruction, a terminal number and a live broadcast state in the data; wherein the live broadcast state is a state of starting live broadcast;
judging the data type of the live broadcast starting data according to the operation instruction;
and if the data type is the live broadcast starting type, storing the live broadcast starting data into the database.
5. The method of claim 3, wherein after the step of storing the live start data in the database, further comprising:
receiving live broadcast stop data transmitted by the meeting management scheduling end through socket long connection; the live broadcast stopping data is generated by the video network terminal when live broadcast is stopped, and then the live broadcast stopping data is sent to the meeting management scheduling terminal through the video network;
and updating the database according to the live broadcast stop data.
6. The method of claim 5, wherein the step of updating the database according to the live stop data comprises:
analyzing the live broadcast stopping data to obtain an operation instruction, a terminal number and a live broadcast state in the data; wherein the live broadcast state is a state of stopping live broadcast;
determining the data type of the live broadcast stopping data according to the operation instruction;
and if the data type is the live broadcast stopping type, updating the database according to the live broadcast stopping data.
7. The utility model provides a device of direct list is reported in video networking which characterized in that, the device is applied to meeting pipe web end, and there is socket long connection between meeting pipe web end and the meeting pipe scheduling end, the device includes:
the request data receiving module is used for receiving the request data transmitted by the meeting pipe scheduling end through the socket long connection;
the request data query module is used for querying live list data matched with the terminal number in a database according to the terminal number in the request data;
and the request data feedback module is used for receiving the live list data returned by the database and returning the live list data to the video network terminal corresponding to the terminal number through the meeting management scheduling terminal.
8. The apparatus of claim 7, wherein the request data query module comprises:
the request data analysis submodule is used for analyzing the request data to obtain an operation instruction and the terminal number in the request data;
a request data type determining submodule, configured to determine a data type of the request data according to the operation instruction;
and the request data query submodule is used for querying the live list data corresponding to the terminal number in the database according to the terminal number if the data type is the query type.
9. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 6.
10. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor when executed implements the steps of the method according to any of claims 1-6.
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Application publication date: 20200221 |