CN113938693B - Enterprise online forum broadcast control system for converting offline recorded video into online live broadcast - Google Patents
Enterprise online forum broadcast control system for converting offline recorded video into online live broadcast Download PDFInfo
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- 238000013523 data management Methods 0.000 claims abstract description 44
- 238000007726 management method Methods 0.000 claims abstract description 23
- 238000012544 monitoring process Methods 0.000 claims abstract description 8
- 230000008859 change Effects 0.000 claims description 35
- 238000012795 verification Methods 0.000 claims description 14
- 238000012423 maintenance Methods 0.000 claims description 12
- 238000004364 calculation method Methods 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 238000012550 audit Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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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
- 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
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234309—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4 or from Quicktime to Realvideo
-
- 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
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption
-
- 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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
- H04N21/4788—Supplemental services, e.g. displaying phone caller identification, shopping application communicating with other users, e.g. chatting
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- General Engineering & Computer Science (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses an enterprise online forum broadcast control system for converting offline recorded video into online live broadcast, which comprises a user EPG data management module, a live broadcast file management module, a message middleware, a safety timing monitoring program, a file system monitoring program, a video service module, a safety service module and a live broadcast SDK display module; the invention realizes the possibility of programming (user-oriented) EPG programs of non-technical operators, facilitates the editing and management of program lists, breaks through the tradition that technicians have to write codes, and reduces the labor intensity of the technicians; automatically completing video transcoding, automatically calculating broadcasting control time and broadcasting control frames to complete live broadcast EPG updating, and achieving live broadcast accurate broadcasting control; MD5 is generated for three core basic metadata sets of the user EPG, the live EPG and the video file, and the live broadcast control safety is ensured by comparing the monitoring file system with the timing task and preventing the MD from being tampered.
Description
Technical Field
The invention relates to the technical field of live broadcasting, in particular to an enterprise online forum broadcasting control system for converting offline recorded video into online live broadcasting.
Background
With the rapid development of internet technology, more and more users use terminals such as computers and mobile phones to watch online video live broadcast through a network, particularly, the requirements of enterprises on online conferences are more and more strong from the safety consideration after epidemic situations, but the enterprise end hopes to completely take the online live broadcast flow into consideration of the flow of an online meeting of the enterprise, but each enterprise meeting flow is different, the uncertain time of guests in the process of carrying out exhibition under epidemic situation epidemic prevention is uncertain, and online live broadcast is recorded and played in advance to become a new online live broadcast form. The existing live broadcast system adopts a live broadcast guide broadcast platform to switch the pictures of each channel of signals, the signals are transmitted to a cloud live broadcast platform through a network to form live broadcast streams to be output outwards, the live broadcast process is fixed by a host to control a broadcast control EPG, and the problems that the broadcast control EPG is difficult to determine and the video files are difficult to manage due to multiple updating of video files generated by process record video guests and time uncertainty, video content audit and re-record in a record broadcast system are difficult to deal with; the recorded video and the EPG are stored in advance at the server side, so that the problems of hacking, video file reading performance and the like can be encountered.
Disclosure of Invention
Aiming at the technical problems in the related art, the invention provides an enterprise online forum broadcast control system for converting offline recorded video into online live broadcast, which can overcome the defects in the prior art.
In order to achieve the technical purpose, the technical scheme of the invention is realized as follows:
an enterprise online forum broadcast control system for converting offline recorded video into online live broadcast comprises a user EPG data management module, a live broadcast file management module, a message middleware, a safety timing monitoring program, a file system monitoring program, a video service module, a safety service module and a live broadcast SDK display module;
the user EPG data management module is used for carrying out self-definition and maintenance on the EPG, designating a live broadcast starting agenda link, uploading agenda program videos and completing the functions of live broadcast EPG data version information maintenance and version rollback management;
the live EPG data management module is used for acquiring the metadata information of the program playing of the agenda from the file system/streaming media system for automatically updating the related attributes of the live EPG and the live video, keeping the agenda synchronous with the user EPG, and automatically calculating the update by uploading the video drive of the agenda by the manager and the user;
the live broadcast file management module is used for finishing the maintenance of version information of the agenda original video file, the agenda transcoded video file and the live broadcast video file, and has a version rollback management function after the files are tampered;
message middleware for providing user EPG data change Topic and live file change Topic;
the security timing monitoring program reads user EPG and direct broadcast EPG final version (last) metadata according to 1 hour/4 hours/8 hours/12 hours/24 hours to generate JSON string content calculation MD5, and compares the JSON string content calculation MD5 with two EPG final version MD5 codes;
the file system monitoring program is used for monitoring agenda video storage folders, pushing live file change information to the message middleware after uploading new files by enterprises, waiting for video services to transcode and collect MetaData, and comparing file effectiveness by the security service module, and updating version information by the user EPG data management module, the live EPG data management module and the live file management module;
the video service module is used for subscribing live broadcast file change Topic by the video service, continuing video transcoding on the uploaded file after receiving the change notification, and merging the transcoded file into a single live broadcast video file;
the security service module provides an MD5 algorithm and a calculation and verification API, and provides a Nonce CSRF security data generation, storage, calculation and verification API;
and the live broadcast SDK display module is used for constructing a live broadcast page after the SDK receives the interface data, storing the verification code Nonce by the Nonce attribute, and waiting for a user to start live broadcast or receiving a live broadcast server instruction to start live broadcast by the SDK long-chain link.
Furthermore, the live EPG data management module is used for transmitting EPG data change events to the message middleware by the user EPG data management module after the enterprise updating EPG data is completed, subscribing EPG data change Topic by the live EPG data management module, receiving change notification of two core metadata of agenda sequence numbers and live broadcast stages of agenda programs in the synchronous user EPG, and automatically updating other live broadcast EPG related metadata on enterprise uploading agenda videos.
Further, the user EPG data management module is configured to calculate, in a time dimension, starting time and ending time of each agenda program of the user EPG automatically according to the agenda sequence number of the starting agenda link, and by using the starting time of the starting link as the starting time and combining with the planned agenda program duration set by the enterprise for each agenda.
Furthermore, the live EPG data management module is used for sending a live file change event to the message middleware after the enterprise uploads the agenda video successfully, subscribing the live file change Topic by the live EPG data management module, receiving a change notification to regenerate the live EPG data, and completing the functions of live EPG data version information maintenance and version rollback management.
Furthermore, the live EPG data management module is used for calculating time dimension, and automatically calculating the start time and the end time of each agenda program of the live EPG by taking the start time of the start link as the start time and combining the transcoding video duration of each agenda according to the agenda sequence number of the live start agenda link.
Furthermore, the live EPG data management module is used for video frame dimension calculation, and automatically calculates the start frame and the end frame of each agenda program of the live EPG by taking the start frame of the starting link as the start frame and combining the total frame number of the transcoded video of each agenda according to the agenda sequence number of the starting link.
Further, the message middleware, the user EPG data change Topic pushes events by the user EPG data management module, and the live EPG data management module subscribes.
Furthermore, the security service module is used for transmitting verification nonce when the user starts live broadcast or the SDK long link receives a live broadcast server instruction to start live broadcast, and the verification nonce is compared in the EPG program verification information table by the server.
Further, the security timing monitor obtains the final version (last) MD5 of each agenda video file at 1 hour/4 hours/8 hours/12 hours/24 hours, and compares it with the MD5 code of the agenda video file.
The invention has the beneficial effects that: the possibility of programming (user-oriented) EPG programs of non-technical operators is realized, the editing and management of program lists are facilitated, the tradition that technicians have to write codes is broken through, and the labor intensity of the technicians is reduced; automatically completing video transcoding, automatically calculating broadcasting control time and broadcasting control frames to complete live broadcast EPG updating, and achieving live broadcast accurate broadcasting control; MD5 is generated for three core basic metadata sets of the user EPG, the live EPG and the video file, and the live broadcast control safety is ensured by comparing the monitoring file system with the timing task and preventing the MD from being tampered.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a block diagram of an on-line forum broadcast control system for an enterprise for converting an off-line recorded video to an on-line live video according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the invention, fall within the scope of protection of the invention.
As shown in fig. 1, an enterprise online forum broadcast control system for converting offline recorded video into online live broadcast according to an embodiment of the present invention includes a user EPG data management module, a live broadcast file management module, a message middleware, a security timing monitor program, a file system monitor program, a video service module, a security service module, and a live broadcast SDK display module;
the user EPG data management module is used for carrying out self-definition and maintenance on the EPG, designating a live broadcast starting agenda link, uploading agenda program videos and completing the functions of live broadcast EPG data version information maintenance and version rollback management;
the live EPG data management module is used for acquiring the metadata information of the program playing of the agenda from the file system/streaming media system for automatically updating the related attributes of the live EPG and the live video, keeping the agenda synchronous with the user EPG, and automatically calculating the update by uploading the video drive of the agenda by the manager and the user;
the live broadcast file management module is used for finishing the maintenance of version information of the agenda original video file, the agenda transcoded video file and the live broadcast video file, and has a version rollback management function after the files are tampered;
message middleware for providing user EPG data change Topic and live file change Topic;
the security timing monitoring program reads user EPG and direct broadcast EPG final version (last) metadata according to 1 hour/4 hours/8 hours/12 hours/24 hours to generate JSON string content calculation MD5, and compares the JSON string content calculation MD5 with two EPG final version MD5 codes;
the file system monitoring program is used for monitoring agenda video storage folders, pushing live file change information to the message middleware after uploading new files by enterprises, waiting for video services to transcode and collect MetaData, and comparing file effectiveness by the security service module, and updating version information by the user EPG data management module, the live EPG data management module and the live file management module;
the video service module is used for subscribing live broadcast file change Topic by the video service, continuing video transcoding on the uploaded file after receiving the change notification, and merging the transcoded file into a single live broadcast video file;
the security service module provides an MD5 algorithm and a calculation and verification API, and provides a Nonce CSRF security data generation, storage, calculation and verification API;
and the live broadcast SDK display module is used for constructing a live broadcast page after the SDK receives the interface data, storing the verification code Nonce by the Nonce attribute, and waiting for a user to start live broadcast or receiving a live broadcast server instruction to start live broadcast by the SDK long-chain link.
In a specific embodiment, the live EPG data management module is configured to send an EPG data change event to the message middleware by using the user EPG data management module after the enterprise updating of the EPG data is completed, where the live EPG data management module subscribes to the EPG data change Topic, receives a change notification to synchronize two core metadata of the agenda sequence number and the live stage where the agenda program is located in the user EPG, and other live EPG related metadata automatically updates the agenda video on the enterprise.
In a specific embodiment, the user EPG data management module is configured to calculate, in a time dimension, starting time and ending time of each agenda program of the user EPG automatically by combining a planned agenda program duration set by the enterprise for each agenda with starting time of the starting link as starting time according to an agenda sequence number of the starting agenda link.
In a specific embodiment, the live EPG data management module is configured to send a live file change event to the message middleware after the enterprise uploads the agenda video successfully, where the live EPG data management module subscribes to the live file change Topic, receives a change notification, regenerates the live EPG data, and completes the live EPG data version information maintenance and version rollback management functions.
In a specific embodiment, the live EPG data management module is configured to calculate a time dimension, and automatically calculate a start time and an end time of each agenda program of the live EPG by combining the start time of the start link with the transcoded video duration of each agenda according to the agenda sequence number of the live start agenda.
In a specific embodiment, the live EPG data management module is configured to calculate a video frame dimension, and automatically calculate a start frame and an end frame of each agenda program of the live EPG by taking a start frame of a start link as a start frame and combining a total frame number of each agenda transcoded video according to an agenda sequence number of the start link.
In a specific embodiment, the message middleware, the user EPG data change Topic pushes an event by the user EPG data management module, and the live EPG data management module subscribes.
In a specific embodiment, the security service module is configured to send a verification nonce to the server for comparison in the EPG program verification information table when the user starts live broadcast or the SDK long link receives a live broadcast server command to start live broadcast.
In a specific embodiment, the secure timing monitor obtains the final version (last) MD5 of each agenda video file at 1 hour/4 hours/8 hours/12 hours/24 hours, and compares it with the MD5 code of the agenda video file.
In order to facilitate understanding of the above technical solutions of the present invention, the following describes the above technical solutions of the present invention in detail by a specific usage manner.
When the method is specifically used, the conference EPG arrangement core work is defined as multiple recordings and zero-time recordings of agenda videos, and the method proposes that video transcoding is automatically completed by combining file system monitoring, message middleware, video services and user EPG starting link configuration attributes, and broadcast control time and broadcast control frame are automatically calculated to complete live broadcast EPG updating so as to achieve live broadcast accurate broadcast control; the unique verification code Nonce of the user EPG is generated for each live broadcast request of the user, so that the CSRF cross-site request attack is prevented, MD5 is generated for three core basic metadata sets of the user EPG, the live broadcast EPG and the video file, and the MD is compared with a monitoring file system and a timing task to prevent tampering.
In summary, by means of the technical scheme of the invention, the possibility of programming (user-oriented) EPG programs of non-technical operators is realized, program list editing and management are facilitated, the tradition that technicians have to write codes is broken, and the labor intensity of the technicians is reduced; automatically completing video transcoding, automatically calculating broadcasting control time and broadcasting control frames to complete live broadcast EPG updating, and achieving live broadcast accurate broadcasting control; MD5 is generated for three core basic metadata sets of the user EPG, the live EPG and the video file, and the file monitoring system and the timing task are compared with the MD to prevent tampering and ensure the live broadcast control safety.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (8)
1. The enterprise online forum broadcast control system for online video conversion and online live broadcast of offline recorded videos is characterized by comprising a user EPG data management module, a live broadcast file management module, a message middleware, a safety timing monitoring program, a file system monitoring program, a video service module, a safety service module and a live broadcast SDK display module;
the user EPG data management module is used for carrying out self-definition and maintenance on the EPG, designating a live broadcast starting agenda link, uploading agenda program videos and completing the functions of live broadcast EPG data version information maintenance and version rollback management;
the live EPG data management module is used for acquiring program play metadata information of agenda from a file system/streaming media system, automatically updating relevant attributes of live EPG and live video, keeping the agenda synchronous with the user EPG, and automatically calculating the update by uploading agenda video drive by management personnel and users;
the live broadcast file management module is used for finishing the maintenance of version information of the agenda original video file, the agenda transcoded video file and the live broadcast video file, and has a version rollback management function after the files are tampered;
message middleware for providing user EPG data change Topic and live file change Topic;
the security timing monitoring program reads user EPG and final version (last) metadata of the live EPG according to 1 hour/4 hours/8 hours/12 hours/24 hours, generates json character string content, calculates MD5, and compares the generated MD5 code with the MD5 codes of the user EPG and the final version of the live EPG respectively;
the file system monitoring program is used for monitoring agenda video storage folders, pushing live file change information to the message middleware after uploading new files by enterprises, waiting for video services to transcode and collect metadata, and comparing file effectiveness by the security service module, and updating version information by the user EPG data management module, the live EPG data management module and the live file management module;
the video service module is used for subscribing live broadcast file change Topic, continuing video transcoding on the uploaded file after receiving the change notification, and merging the transcoded file into a single live broadcast video file;
the security service module provides MD5 algorithm, nonce CSRF security data generation, storage, calculation and verification API;
and the live broadcast SDK display module is used for constructing a live broadcast page after the SDK receives the interface data, storing the verification code Nonce by the Nonce attribute, and waiting for a user to start live broadcast or receiving a live broadcast server instruction to start live broadcast by the SDK long-chain link.
2. The system according to claim 1, wherein the live EPG data management module is configured to send an EPG data change event to the message middleware after the completion of the update of the EPG data by the enterprise, the live EPG data management module subscribes to the EPG data change Topic, receives a change notification to synchronize two core metadata of the agenda sequence number and the live stage where the agenda program is located in the user EPG, and other live EPG related metadata is automatically updated in the agenda video uploaded by the enterprise.
3. The system according to claim 1, wherein the user EPG data management module is configured to calculate, in a time dimension, starting time and ending time of each agenda program of the user EPG according to the agenda sequence number of the starting agenda link, starting time of the starting link and ending time of the starting link, and combining the planned agenda program duration set by the enterprise for each agenda.
4. The system according to claim 1, wherein the live EPG data management module is configured to send a live file change event to the message middleware after the live EPG data management module successfully uploads the agenda video, the live EPG data management module subscribes to the live file change Topic, receives the change notification to regenerate the live EPG data, and completes the live EPG data version information maintenance and version rollback management functions.
5. The system according to claim 1, wherein the live EPG data management module is configured to calculate a time dimension, and automatically calculate a start time and an end time of each agenda program of the live EPG according to an agenda sequence number of a live start agenda link, forward/backward, and with a start time of the start link as a start time, in combination with a transcoding video duration of each agenda.
6. The system according to claim 1, wherein the live EPG data management module is configured to calculate a video frame dimension, forward/backward with a start frame of a start link as a start frame according to an agenda sequence number of the start link, and automatically calculate a start frame and an end frame of each agenda program of the live EPG in combination with a total frame number of each agenda transcoded video.
7. The system according to claim 1, wherein the security service module is configured to send a verification code Nonce when a user starts live broadcast or the SDK long link receives a live broadcast server instruction to start live broadcast, and the server compares the verification code Nonce in the EPG program verification information table.
8. The system of claim 1, wherein the security timing monitor obtains final versions (last) MD5 of the agenda video files at 1 hour/4 hour/8 hour/12 hour/24 hour, and compares the final versions with the agenda video file MD5 codes.
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| CN107613328A (en) * | 2016-07-12 | 2018-01-19 | 上海视畅信息科技有限公司 | A kind of live program request implementation method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2009008179A1 (en) * | 2007-07-11 | 2009-01-15 | Panasonic Corporation | Terminal device, information correction server, program information correction method, and information correction method |
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| CN104080000A (en) * | 2014-06-19 | 2014-10-01 | 江苏省邮电规划设计院有限责任公司 | Start-Over media service method in IPTV |
| CN107277575A (en) * | 2016-04-06 | 2017-10-20 | 北京优朋普乐科技有限公司 | Method and apparatus that are live and reviewing are realized in VOD system |
| CN107613328A (en) * | 2016-07-12 | 2018-01-19 | 上海视畅信息科技有限公司 | A kind of live program request implementation method |
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