CN111836082A - Live broadcast platform courseware pushing method and management system - Google Patents
Live broadcast platform courseware pushing method and management system Download PDFInfo
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- CN111836082A CN111836082A CN202010624229.8A CN202010624229A CN111836082A CN 111836082 A CN111836082 A CN 111836082A CN 202010624229 A CN202010624229 A CN 202010624229A CN 111836082 A CN111836082 A CN 111836082A
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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
- H04N21/27—Server based end-user applications
- H04N21/274—Storing end-user multimedia data in response to end-user request, e.g. network recorder
- H04N21/2743—Video hosting of uploaded data from client
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/40—Information retrieval; Database structures therefor; File system structures therefor of multimedia data, e.g. slideshows comprising image and additional audio data
- G06F16/43—Querying
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/10—Services
- G06Q50/20—Education
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
- G09B5/065—Combinations of audio and video presentations, e.g. videotapes, videodiscs, television systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/55—Push-based network services
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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
Abstract
The invention relates to a courseware pushing method and a courseware pushing management system of a live broadcast platform, wherein courseware files are sent to a server at the cloud end to be managed uniformly according to an account number, file types and uploading time, so that the management disorder is avoided, and meanwhile, a serial number is generated, so that the retrieval is facilitated; meanwhile, when a plurality of large audio and video files are pushed simultaneously, the audio and video files are divided according to the time sequence and the playing time, the initial audio and video file segments are sent to the terminal to be played, and then the subsequent audio and video file segments are sent in a complementary mode according to the staggered sequence, seamless connection is achieved, and long-time waiting caused by network congestion is avoided.
Description
Technical Field
The invention relates to the technical field of remote education, in particular to a courseware pushing method and a courseware managing system of a live broadcast platform.
Background
With the wide application of internet technology in the education industry, more and more education institutions set up network lesson services, but in the existing live broadcast network lesson teaching, courseware is generally prepared by teachers, the teachers need to place the courseware in storage equipment or computers by themselves, and the courseware is played to students when being played on line directly, so that the process is very troublesome, files of the courseware need to be managed by the teachers, and the courseware risk of being lost, therefore, the existing network lessons are based on cloud storage technology, lectures are uploaded to a cloud for storage management, but no management system aiming at the courseware exists in the market, and the courseware management is disordered; meanwhile, when courseware is downloaded in the peak time of the network, long-time waiting is easily caused by network congestion, and the time of teachers and students is wasted.
Disclosure of Invention
In view of the above, the present invention provides a live broadcast platform courseware pushing method and a live broadcast platform courseware management system, which can uniformly manage courseware of a live broadcast online course based on an internet technology, and push courseware according to a specific rule, so as to avoid long-time waiting caused by network congestion.
The invention discloses a courseware pushing method for a live broadcast platform, which comprises the following steps:
s101, a user uses a terminal to store all courseware files in a server in advance, the server generates a serial number for each stored courseware file and marks the serial number in the corresponding courseware file, and the user uses the terminal to access the server and submits reservation information containing time and the courseware file;
s102, the server sorts the reserved courseware according to the reserved time of the reserved courseware and generates a sequence, and the sorting rule is as follows:
s10201, determining the type and the size of the ordered courseware files, and generating a plurality of subsequences according to the type of the courseware files, wherein each subsequence only contains one type of courseware files;
s10202, when the courseware files in the subsequence are audio and video, acquiring the playing time of the audio and video files, and overlapping the beginning of each audio and video file with the reserved time of the courseware file;
s10203, respectively expanding all audio and video files on the subsequence to time tracks with consistent quantity, and dividing all the time tracks into a plurality of segments according to a time sequence, wherein the segments comprise a plurality of separated audio and video file segments;
s10204, calculating the sizes of all files in each segment, and when the value of the size of all audio and video files in the segment A divided by the time corresponding to the segment A is larger than the pushing speed of the server, moving one or more non-beginning audio and video file segments in the segment A to a segment B with later time, so that the value of the size of all audio and video files in the segment A and the segment B divided by the time corresponding to the segment A is smaller than or equal to the pushing speed of the server, and the moved audio and video file segments can be pushed and streamed completely when the playing of the previous audio and video file segments is finished;
s10205, when the courseware files in the subsequence are documents, arranging the documents according to the order of the reserved time;
s10206, overlapping all the subsequences to generate a sequence, and preferentially pushing the document file during overlapping;
s103, the server pushes courseware files according to the sequence.
Further, the step of storing and reserving in S101 includes:
s10101, the user accesses the server by using the terminal, and registers an account number and a password in the server;
s10102, a user logs in a server by using a terminal and uploads a courseware file to the server;
s10103, the server classifies and stores the courseware files according to the account number, the uploading time and the file types, and automatically generates a serial number when the courseware files are stored, and the serial number is added to the forefront of the file courseware file name;
s10104, the user submits the appointment time to the server, the server generates an identification file according to the time information and the account information of the user, meanwhile, the server sends the identification file to the terminal of the user, and the identification file further comprises link information corresponding to the courseware file.
Further, the pushing step of S103 includes:
s10301, the user logs in before the appointment time by using the account and the password, and the server distributes an IP address to the terminal of the user during logging in;
s10302, the server pushes the courseware file to the IP address corresponding to the account number according to the sequence;
s10303, if the account of the user is not on line when the reserved time comes, the reservation is judged to be invalid, and the server cancels the pushing.
The invention also provides a courseware pushing management system of the live broadcast platform, which comprises a server, a memory and a terminal,
the server is used for receiving the courseware files uploaded from the terminal, identifying and processing the courseware files, simultaneously forwarding the courseware files to the memory, and pushing specific courseware files to the terminal according to the reserved time information from the terminal;
the memory is used for receiving the appointment time information and the courseware file from the server;
the terminal is used for sending the appointment time to the server, uploading the courseware file to the server and receiving the courseware file pushed by the server.
Further, the server and the terminal are in communication connection through a local area network or the internet.
The invention has the beneficial effects that: according to the courseware pushing method and the courseware pushing management system of the live broadcast platform, courseware files are sent to the server in the cloud end to be managed in a unified mode according to the account number, the file types and the uploading time, so that management disorder is avoided, and meanwhile, the serial number is generated, so that retrieval is facilitated; meanwhile, when a plurality of large audio and video files are pushed simultaneously, the audio and video files are divided according to the time sequence and the playing time, the initial audio and video file segments are sent to the terminal to be played, and then the subsequent audio and video file segments are sent in a complementary mode according to the staggered sequence, seamless connection is achieved, and long-time waiting caused by network congestion is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and it will be apparent to those skilled in the art that other related drawings can be obtained from the drawings without inventive effort.
FIG. 1 is a flow chart of a method of the present invention;
FIG. 2 is a flow chart of the steps of storing and reserving of the present invention;
FIG. 3 is a flow diagram of a segment ordering rule of the present invention;
fig. 4 is a flowchart of the pushing step of the courseware file according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1-4: the courseware pushing method and management system of the live broadcast platform in the embodiment comprise the following steps:
s101, a user uses a terminal to store all courseware files in a server in advance, the server generates a serial number for each stored courseware file and marks the serial number in the corresponding courseware file, the user uses the terminal to access the server and submits reservation information containing time and the courseware files, the terminal is a computer, a mobile phone, a tablet computer or other intelligent equipment which can be networked, the user uses the terminal to edit the courseware file, and submits the courseware file to the server for storage through the internet or a local area network, the server comprises a data high-efficiency processing device similar to a computer PC and a storage server specially used for storing file data, the storage server is internally provided with a large-capacity magnetic disc and a separate processing device, the courseware file is stored in the memory, and the server simply processes the courseware file, for the convenience of ordered management and later retrieval of the files, the server modifies the name into '20200101P 77 signal and system second class' in which 20200101 is the file with uploading time of 1 month and 1 day of 2020, P represents that the file type is PPT, and 77 represents the 77 th file uploaded on the same day.
In this embodiment, the step of storing and reserving specifically includes:
s10101, a user accesses a server by using a terminal, an account and a password are registered in the server, the terminal and the server are generally connected through the Internet or a local area network, positioning transmission needs to be carried out by depending on an IP address, but the IP address is not constant, the account needs to be registered to identify the identity, and after the terminal logs in the server each time, the server establishes connection with the IP address corresponding to the account by identifying the account;
s10102, a user logs in a server by using a terminal, courseware files are uploaded to the server, and the terminal uploads the files through established links;
s10103, the server classifies and stores the courseware files according to the account number, the uploading time and the file types, and automatically generates a serial number when the courseware files are stored, and the serial number is added to the forefront of the file courseware file name; firstly, establishing a multi-level folder, taking an account number as a root folder, then establishing a folder for uploading time, then judging the type of courseware files, such as PPT, word, PDF, MPEG4 and the like, respectively establishing folders for placing different types of files, correspondingly storing the folders, and adding a serial number to the file name of the file;
s10104, the user submits the appointment time to the server, the server generates an identification file according to the time information and the account information of the user, the server sends the identification file to the terminal of the user, the identification file also comprises link information corresponding to courseware files, and the returned identification file prevents that the user can directly find the files by means of the link information in case of confusion of file management in the server.
S102, the server sorts the reserved courseware according to the reserved time of the reserved courseware and generates a sequence, and the sorting rule is as follows:
s10201, determining the type and the size of ordered courseware files, generating a plurality of subsequences according to the type of the courseware files, wherein each subsequence only contains one type of courseware file, which is equivalent to the file classification in the step S10103, and mainly aims to find out audio and video files, wherein the audio and video files are often large, so that network congestion is easily caused when the audio and video files are all sent at one time during pushing, but the audio and video files are often required to be played from the beginning when a user downloads the audio and video files, most of the audio and video files in the later period are not required to be downloaded immediately, and therefore, by using the characteristics, segmented transmission can be;
s10202, when the courseware files in the subsequence are audio and video, the playing time length of the audio and video files is obtained, the beginning of each audio and video file is overlapped with the appointment time of the courseware file, when a user starts a teaching course, the audio and video files need to be played immediately, therefore, the beginning part needs to be immediately downloaded for use, and the beginning part cannot be delayed, so that the audio and video files need to be overlapped with the appointment time.
S10203, spreading all audio and video files on the subsequence to time tracks with consistent quantity respectively, and all the time tracks are divided into a plurality of segments according to the time sequence, the segments comprise a plurality of separated audio and video file segments, the time on the time tracks is the real time, for example, the first video file to be reserved on a certain day is 8 points, the file push speed is 10M/S, and the size of the file is 2Gb, if the whole push is carried out, the transmission time is about 200S, the data channel can not transmit other files in the period, the starting point of the time track is about 7 points 57, however, if the video file is divided into 5 segments, the first segment is transmitted to the terminal for playing, and then the remaining content is transmitted, only about 40S is needed, the starting point of the time track can be pushed back to 7 points 59, and when the terminal plays, the remaining part is transmitted to the terminal by using the bandwidth idle time;
s10204, calculating the sizes of all files in each segment, and when the value of the size of all audio and video files in the segment A divided by the time corresponding to the segment A is larger than the pushing speed of the server, moving one or more non-beginning audio and video file segments in the segment A to a segment B with later time, so that the value of the size of all audio and video files in the segment A and the segment B divided by the time corresponding to the segment A is smaller than or equal to the pushing speed of the server, and the moved audio and video file segments can be pushed completely when the playing of the previous audio and video file segment is completed, for example, three video files need to be pushed at the same time from 9 point to 9 point 20, which are X, Y and Z respectively, the reservation time of the file X is 9 points whole, the total playing time is 2 hours, and the file size is 10 GB; the reservation time of the file Y is 9 points 10, the total playing time is 80 minutes, and the file size is 4 GB; the reservation time of the file Z is 9 points and 20 points, the total playing time is 30 minutes, and the file size is 2 GB; and the maximum push speed of the server is 10Mb/S, so if file X is pushed first, it will take 17 minutes, then file Y is pushed at 9 point 17, it will take 7 minutes, file Z is transmitted at 9 point 24, and the push time of both file Y and file Z will be affected by file X.
Therefore, in this embodiment, the file X is divided into two video file segments X1 and X2, where X1 is 2GB, the playing time is 24 minutes, X2 is 8GB, and the playing time is 96 minutes; pushing file X1 first takes 3 minutes;
the file Y is also divided into two 2GB video files Y1 and Y2, the playing time of each section is 40 minutes, 9 points 3 are separated to start pushing the file Y1, and the time is 3 minutes;
9, starting to push the file Z at 6 points, and taking 3 minutes;
9 o 'clock and 9 o' clock start to push the file Y2 again, and the time is 3 minutes;
9, starting to push the file X2 when the file X2 is separated by 12, and taking 13 minutes;
therefore, the adjusted pushing process of the files Y and Z cannot be influenced by X, and the playing of the X is not interrupted.
S10205, when the courseware files in the subsequence are documents, arranging the documents according to the order of the reserved time;
s10206, overlapping all the subsequences to generate a sequence, and preferentially pushing the document file during overlapping, wherein the document is generally small in size, so that the influence of the whole transmission time of the audio/video file is not too large, and the document file is preferentially pushed;
s103, the server pushes courseware files according to the sequence, and the specific steps include: .
S10301, the user logs in before the appointment time by using the account and the password, and the server distributes an IP address to the terminal of the user during logging in;
s10302, the server pushes the courseware files to the IP address corresponding to the account number according to the sequence;
s10303, if the account of the user is not on line when the appointment time comes, the appointment is judged to be invalid, and the server cancels the pushing;
namely, the courseware file is transmitted by utilizing the corresponding relation between the IP and the account.
The invention also provides a courseware pushing management system of the live broadcast platform, which comprises a server, a memory and a terminal, wherein the server is used for receiving courseware files uploaded by the terminal, identifying and processing the courseware files, simultaneously forwarding the courseware files to the memory, and pushing specific courseware files to the terminal according to the appointment time information from the terminal; the memory is used for receiving the appointment time information and the courseware file from the server, which means a storage server in the embodiment and can also be an independent storage disk, medium and the like; the terminal is used for sending the appointment time to the server, uploading the courseware file to the server and receiving the courseware file pushed by the server.
According to the courseware pushing method and the courseware pushing management system of the live broadcast platform, courseware files are sent to the server in the cloud end to be managed in a unified mode according to the account number, the file types and the uploading time, so that management disorder is avoided, and meanwhile, the serial number is generated, so that retrieval is facilitated; meanwhile, when a plurality of large audio and video files are pushed simultaneously, the audio and video files are divided according to the time sequence and the playing time, the initial audio and video file segments are sent to the terminal to be played, and then the subsequent audio and video file segments are sent in a complementary mode according to the staggered sequence, seamless connection is achieved, and long-time waiting caused by network congestion is avoided.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (5)
1. A live broadcast platform courseware pushing method is characterized in that: the method comprises the following steps:
s101, a user uses a terminal to store all courseware files in a server in advance, the server generates a serial number for each stored courseware file and marks the serial number in the corresponding courseware file, and the user uses the terminal to access the server and submits reservation information containing time and the courseware file;
s102, the server sorts the reserved courseware according to the reserved time of the reserved courseware and generates a sequence, and the sorting rule is as follows:
s10201, determining the type and the size of the ordered courseware files, and generating a plurality of subsequences according to the type of the courseware files, wherein each subsequence only contains one type of courseware files;
s10202, when the courseware files in the subsequence are audio and video, acquiring the playing time of the audio and video files, and overlapping the beginning of each audio and video file with the reserved time of the courseware file;
s10203, respectively expanding all audio and video files on the subsequence to time tracks with consistent quantity, and dividing all the time tracks into a plurality of segments according to a time sequence, wherein the segments comprise a plurality of separated audio and video file segments;
s10204, calculating the sizes of all files in each segment, and when the value of the size of all audio and video files in the segment A divided by the time corresponding to the segment A is larger than the pushing speed of the server, moving one or more non-beginning audio and video file segments in the segment A to a segment B with later time, so that the value of the size of all audio and video files in the segment A and the segment B divided by the time corresponding to the segment A is smaller than or equal to the pushing speed of the server, and the moved audio and video file segments can be pushed and streamed completely when the playing of the previous audio and video file segments is finished;
s10205, when the courseware files in the subsequence are documents, arranging the documents according to the order of the reserved time;
s10206, overlapping all the subsequences to generate a sequence, and preferentially pushing the document file during overlapping;
s103, the server pushes courseware files according to the sequence.
2. The courseware pushing method of the live broadcast platform according to claim 1, characterized in that: the step of storing and reserving in S101 includes:
s10101, the user accesses the server by using the terminal, and registers an account number and a password in the server;
s10102, a user logs in a server by using a terminal and uploads a courseware file to the server;
s10103, the server classifies and stores the courseware files according to the account number, the uploading time and the file types, and automatically generates a serial number when the courseware files are stored, and the serial number is added to the forefront of the file courseware file name;
s10104, the user submits the appointment time to the server, the server generates an identification file according to the time information and the account information of the user, meanwhile, the server sends the identification file to the terminal of the user, and the identification file further comprises link information corresponding to the courseware file.
3. The live platform courseware pushing method and management system according to claim 2, wherein the live platform courseware pushing method comprises the following steps: the pushing step of S103 includes:
s10301, the user logs in before the appointment time by using the account and the password, and the server distributes an IP address to the terminal of the user during logging in;
s10302, the server pushes the courseware file to the IP address corresponding to the account number according to the sequence;
s10303, if the account of the user is not on line when the reserved time comes, the reservation is judged to be invalid, and the server cancels the pushing.
4. The utility model provides a live broadcast platform courseware management system which characterized in that: comprises a server, a memory and a terminal,
the server is used for receiving the courseware files uploaded from the terminal, identifying and processing the courseware files, simultaneously forwarding the courseware files to the memory, and pushing specific courseware files to the terminal according to the reserved time information from the terminal;
the memory is used for receiving the appointment time information and the courseware file from the server;
the terminal is used for sending the appointment time to the server, uploading the courseware file to the server and receiving the courseware file pushed by the server.
5. The live platform courseware pushing method and management system according to claim 4, wherein the live platform courseware pushing method comprises the following steps: the server and the terminal are in communication connection through a local area network or the Internet.
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| CN111176511A (en) * | 2019-12-30 | 2020-05-19 | 苏州卿学信息科技有限公司 | Method for making and displaying education live courseware |
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