CN112637637B - Operation system and method for rural digital cinema - Google Patents
Operation system and method for rural digital cinema Download PDFInfo
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- CN112637637B CN112637637B CN202011478393.9A CN202011478393A CN112637637B CN 112637637 B CN112637637 B CN 112637637B CN 202011478393 A CN202011478393 A CN 202011478393A CN 112637637 B CN112637637 B CN 112637637B
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000013475 authorization Methods 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000007726 management method Methods 0.000 description 9
- 238000004891 communication Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
- H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 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]
- H04N21/20—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
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
-
- 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
- H04N21/254—Management at additional data server, e.g. shopping server, rights management server
- H04N21/2541—Rights Management
-
- 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
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
- H04N21/4627—Rights management associated to the content
Abstract
The invention discloses an operation system and method of rural digital movies, wherein the system comprises a cloud platform, an edge server and a playing terminal. The cloud platform generates corresponding token files for different movie sources, encrypts the movie sources to generate encrypted movie sources, generates an authentication key for the encrypted movie sources, and finally pushes the token files, the encrypted movie sources and the authentication key to an edge server or a playing terminal. The edge server is connected with at least one playing terminal and authorizes the playing terminal according to the content of the authentication key. The playing terminal authenticates the encrypted film source through the edge server, and plays the encrypted film source after the authentication is passed. The invention supports online or local authentication, shortens the film transmission period, improves the timeliness of film broadcasting, increases the manageability of the playing terminal and the film, and simultaneously provides possibility for the real-time online playing of the playing terminal under the condition of network bandwidth permission.
Description
Technical Field
The present invention relates to a digital information transmission system and method, and more particularly, to an operation system and method for rural digital cinema.
Background
Under the current rural network condition, the rural public welfare film showing mode adopts a semi-manual mode, and the encrypted film is mainly delivered to film service stations in various counties through a satellite link downloading or hard disk express mode. The authorization of film playing is to control playing scene, and play and decrypt by means of entity IC card.
In this mode, whether the film is transferred by semi-manual copying or by physical IC card authentication playback, the overall link is relatively inefficient and there are single point device failure problems on the link such as read hard disk failure, read IC authorization failure, physical damage failure of the device, etc.
With the development of network technology and the upgrading of rural networks, the original film transmission and playing schemes can not meet the market demands, and a brand new film supply, authorization and operation technical scheme is integrated on the basis of the existing mode.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide an operation system and method of rural digital cinema.
In order to achieve the above purpose, the invention adopts the following technical scheme:
an operation system of rural digital movies comprises a cloud platform, an edge server and a playing terminal. The cloud platform generates corresponding token files for different movie sources, encrypts the movie sources to generate encrypted movie sources, generates an authentication key for the encrypted movie sources, and finally pushes the token files, the encrypted movie sources and the authentication key to an edge server or a playing terminal. The edge server is connected with at least one playing terminal and authorizes the playing terminal according to the content of the authentication key. The playing terminal authenticates the encrypted film source through the edge server, and plays the encrypted film source after the authentication is passed.
Further, the edge server stores the encrypted piece source.
Further, when the cloud platform directly pushes the encrypted film source to the playing terminal, the playing terminal stores the encrypted film source.
Further, the cloud platform pushes the token file, the encrypted film source and the authentication key to the edge server, and the edge server further sends the authentication key to the playing terminal.
Further, the cloud platform pushes the token file to the edge server, and the encrypted film source and the authentication key to the playing terminal.
Further, the cloud platform reserves a token file and directly pushes the encrypted film source and the authentication key to the playing terminal.
In order to achieve the above purpose, the present invention further adopts the following technical scheme:
an operation method of rural digital cinema, comprising the following steps: generating corresponding token files aiming at different movie sources at a cloud platform, encrypting the movie sources to generate encrypted movie sources, generating an authentication key for the encrypted movie sources, and pushing the token files, the encrypted movie sources and the authentication key to an edge server or a playing terminal; connecting at least one playing terminal by utilizing an edge server, and authorizing the playing terminal according to the content of the authentication key; and authenticating the encrypted film source through the edge server by using the playing terminal, and playing the encrypted film source after the authentication is passed.
Further, the cloud platform pushes the token file, the encrypted film source and the authentication key to the edge server, and the edge server further sends the authentication key to the playing terminal.
Further, the cloud platform pushes the token file to the edge server, and the encrypted film source and the authentication key to the playing terminal.
Further, the cloud platform reserves a token file and directly pushes the encrypted film source and the authentication key to the playing terminal.
In the technical scheme, the network operation mode is added on the basis of the traditional operation mode of the existing rural digital cinema, the development trend of the current rural network is complied on the premise of being compatible with the existing operation mode and the hardware configuration of the playing terminal, the network technology is fully utilized, the online or local authentication is supported, the film transmission period is shortened, the timeliness of film broadcasting is improved, the playing terminal and the manageability of the film are improved, and meanwhile, the possibility is provided for the playing terminal to play online in real time under the condition of network bandwidth permission.
Drawings
FIG. 1 is a block diagram of a system of the present invention;
FIG. 2 is a flow chart of the method of the present invention;
fig. 3 is a flowchart of the operation of the playback terminal.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings and examples.
Referring to fig. 1, the invention firstly discloses an operation system of rural digital cinema, and the main architecture of the system comprises a cloud platform 1, an edge server 2 and a playing terminal 3. The cloud platform 1 is a centralized data system built in a remote data center, the edge server 2 is a network communication device built in a peripheral area, and the playing terminal 3 is a network playing device of an end user.
It should be understood by those skilled in the art that the foregoing general description of the cloud platform 1, the edge server 2 and the playing terminal 3 is only one of many embodiments of the present invention, and is not a limitation of the present invention. In other embodiments, the cloud platform 1 may be built in a data processing center of a first-line city, a provincial city, the edge server 2 may be a network communication device in a town assumed to be nearby a rural area, and the playing terminal 3 may be a network playing device owned by a rural user.
As shown in fig. 1, the cloud platform 1 is connected to an edge server 2 and a playing terminal 3 through a network, and the cloud platform 1 is also connected to the playing terminal 3 through satellite communication. The edge server 2 is connected to at least one of the playback terminals 3, and can remotely maintain and manage each playback terminal 3 to which it is connected.
With continued reference to fig. 1, the cloud platform 1 mainly includes a film management module 11, a comprehensive management module 12, a data packaging module 13, and an online service module 14. The cloud module mainly provides core functions of a comprehensive management platform, film management, online service and the like, and provides basic support for film management, token file generation, content pushing and real-time authentication. The cloud platform 1 has the following functions: corresponding token files are generated for different movie sources, the movie sources are encrypted to generate encrypted movie sources, authentication keys are generated for the encrypted movie sources, and finally the token files, the encrypted movie sources and the authentication keys are pushed to the edge server 2 or the playing terminal 3.
The film management module 11 can support recording or network acquisition of film metadata, process copyrighted films into finished films with different resolutions and code rates through streaming media according to requirements of different users, push different film product packages according to different sides and ends, and generate media files of the films according to propaganda covers of the films, information of a director, a director and the like.
The integrated management module 12 mainly manages objects such as the edge server 2, the playing terminal 3, the management account, the token file and the like, and can issue relevant movies to the edge server 2 or the playing terminal 3 for downloading movie metadata information or entity playing files according to operation policies. The integrated management module 12 can also generate corresponding token authentication files according to different modes of docking of the edge server 2 and the playing terminal 3, store the corresponding token authentication files on the cloud side or the side, and process heartbeat, service requests and play logs on the side and the end side in real time.
The online service module 14 is capable of providing online real-time authentication and authorization, supporting pushing of subscription content and playing of log records by the playing terminal 3.
With continued reference to fig. 1, the edge server 2 authorizes the playback terminal 3 and in accordance with the content of the authentication key. Specifically, the edge server 2 can perform unified planning and deployment according to the jurisdiction membership of villages and towns counties and the current network condition. The cloud can distribute different films to different edge servers 2 according to service requirements, and allow the edge servers 2 to perform online real-time authentication and authorization on affiliated playing terminals 3, so that regional personalized service is realized. On the other hand, the edge server 2 not only can be used as an acceleration node for downloading films, but also can feed back and monitor the downloading and showing conditions of the playing terminal 3 in real time, so that the use and playing conditions of the playing terminal 3 can be controlled.
With continued reference to fig. 1, the playback terminal 3 authenticates the encrypted clip source by the edge server 2, and plays the encrypted clip source after the authentication is passed. Specifically, the playing terminal 3 may obtain the name, brief introduction, director, etc. of the push movie in real time, and present a list of available movies. The playing terminal 3 supports online request playing authentication, and can decrypt and play the film after the authentication is successful. All requests of the playing terminal 3 adopt transmission encryption and identity authentication to ensure the security of the transmission process.
The playing terminal 3 may download or online authorize and play the movie authorization file from the child node edge server 2.
As a preferred embodiment of the present invention, the playback terminal 3 may be manually set to a conventional mode or a network mode. And when the traditional mode is effective, transmitting the mode authorized by the entity card to receive and play the film in a satellite mode. After the network mode is validated, the playing terminal 3 automatically detects whether the current network condition meets the condition of the network mode, if not, the traditional mode is suggested to be adopted, and if so, the cloud online service is automatically connected and the current access mode is acquired.
As another preferred embodiment of the present invention, the network mode of the playback terminal 3 is further divided into a cloud-side-end mode and a cloud-end mode. When in the cloud-side-end mode, the related information of the edge server 2 to which the online service is affiliated is acquired after the online service authentication is successful, and the film and the authorization file directly initiate a request and process to the edge server 2. And when the cloud-end mode is adopted, the playing terminal 3 directly initiates a request and processing for downloading the film and acquiring the authorization file to the cloud end.
As a first embodiment of the cloud-side-end mode, the cloud platform 1 pushes the token file, the encrypted piece source and the authentication key to the edge server 2, and the edge server 2 further sends the authentication key to the playback terminal 3. In this mode, the playback terminal 3 receives only the authentication key, and does not prestore the encrypted piece source in advance. During playing, the playing terminal 3 initiates authentication authorization through the authentication key, and the edge server 2 verifies through the token file. If the authentication is passed, the playback terminal 3 can download and play the encrypted piece source from the edge server 2 in real time.
As a second implementation of the cloud-side-end mode, the cloud platform 1 pushes the token file to the edge server 2 and the encryption patch source and authentication key to the playback terminal 3. In this mode, the playback terminal 3 receives the authentication key and the encryption sheet source. The playing terminal 3 stores the encrypted film source at this time, and initiates authentication authorization to the edge server 2 through the authentication key at the time of playing, and the edge server 2 performs verification through the token file. If the authentication passes, the playback terminal 3 plays back its pre-stored encrypted clip source.
As a preferred embodiment of the cloud-end mode, the cloud platform 1 retains the token file and directly pushes the encrypted clip source and the authentication key to the playing terminal 3. In this mode, the system of the present invention only uses the cloud platform 1 and the playback terminal 3, and the playback terminal 3 receives the authentication key and the encryption source. At this time, the playing terminal 3 stores the encrypted film source, and initiates authentication authorization to the cloud platform 1 through the authentication key during playing, and the cloud platform 1 performs verification through the token file. If the authentication passes, the playback terminal 3 plays back its pre-stored encrypted clip source.
In addition to the system of the present invention, the present invention also discloses an operation method of rural digital cinema, which corresponds to the system of the present invention and can be applied to the system of the present invention.
Referring to fig. 2, the method of the present invention comprises 3 main steps:
s1: corresponding token files are generated for different movie sources at the cloud platform 1, the movie sources are encrypted to generate encrypted movie sources, authentication keys are generated for the encrypted movie sources, and finally the token files, the encrypted movie sources and the authentication keys are pushed to the edge server 2 or the playing terminal 3.
S2: at least one of the playback terminals 3 is connected with the edge server 2 and the playback terminal 3 is authorized in accordance with the content of the authentication key.
S3: the playing terminal 3 is utilized to authenticate the encrypted film source through the edge server 2, and the encrypted film source is played after the authentication is passed.
Referring to fig. 3, as a preferred embodiment of the present invention, the playback terminal 3 may be manually set to a legacy mode or a network mode, and the workflow thereof is as follows:
s3.1: film reception mode is manually set.
S3.2: manually set to the conventional satellite mode.
S3.3: the broadcasting terminal 3 receives the satellite data and is stored by the broadcasting terminal 3. Next, S3.9 is performed.
S3.4: manually set to network mode.
S3.5: and the playing terminal 3 carries out current network detection, gives a prompt if the network bandwidth is not suitable, and goes to S3.2.
S3.6: if the network bandwidth is proper, the playing terminal 3 performs identity authentication service through the cloud platform 1, and obtains the current access mode.
S3.7: the access mode of the playing terminal 3 comprises a cloud-side-end mode and a cloud-end mode, and the playing terminal 3 obtains relevant downloading information such as films according to the cloud-side-end mode or the cloud-end mode.
S3.8: the encrypted film source movie and the authorization file are downloaded to the playback terminal 3 via a network for storage.
And S3.9, successfully browsing the encrypted film source film information and selecting the encrypted film source film.
S3.10: according to the film downloading mode, the playing terminal 3 decrypts and plays the film after IC authorization or file authorization is successful.
The system of the invention supports synchronization of cloud push content, acquires descriptive information such as names, brief introduction, director and the like of push films in real time, supports downloading and storage of push films, supports downloading of film authorization files, provides online authentication played by the playing terminal 3, and can report a playing log of the playing terminal 3 to a cloud system.
In summary, the invention combines the network technology-based film distribution and authorization operation modes in the traditional mode of keeping the film distribution by using the satellite distribution as the main auxiliary hard disk copy and authorizing the film distribution by using the off-line card authorization. In order to adapt to different network bandwidths in a new operation mode, the system supports two modes of cloud-side-end and cloud-end, and the playing terminal 3 can directly download films and authorizations and authenticate online in real time from the cloud platform 1 under the condition that network conditions allow; if the playing terminal 3 belongs to the regional network state, the regional edge server 2 can be set for downloading the movie authorization of the playing terminal 3 and online real-time authentication, so that the limitation of the connection bandwidth of the playing terminal 3 and a cloud network is reduced, regional personalized service can be realized, and different architecture modes can be flexibly adopted according to the network deployment condition of the terminal side in the actual implementation process.
It will be appreciated by persons skilled in the art that the above embodiments are provided for illustration only and not for limitation of the invention, and that variations and modifications of the above described embodiments are intended to fall within the scope of the claims of the invention as long as they fall within the true spirit of the invention.
Claims (8)
1. An operation system of rural digital cinema, comprising:
cloud platform, edge server and play terminal;
the cloud platform generates corresponding token files aiming at different movie sources, encrypts the movie sources to generate encrypted movie sources, generates an authentication key for the encrypted movie sources, and finally pushes the token files, the encrypted movie sources and the authentication key to an edge server or a playing terminal;
the edge server is connected with at least one playing terminal, authorizes the playing terminal according to the content of the authentication key, and not only serves as an accelerating node for downloading films, but also feeds back and monitors the downloading and showing conditions of the playing terminal in real time, and the use and the playing conditions of the playing terminal are controllable;
the playing terminal authenticates the encrypted film source through the edge server, plays the encrypted film source after the authentication is passed,
wherein the cloud platform pushes the token file, the encrypted film source and the authentication key to the edge server, the edge server further sends the authentication key to the playing terminal,
when playing, the playing terminal initiates authentication authorization through the authentication key, the edge server checks through the token file, and if the authentication is passed, the playing terminal downloads and plays the encrypted film source from the edge server in real time;
the playing terminal can be manually set to a traditional mode or a network mode; when the traditional mode is effective, transmitting a mode authorized by the entity card to receive and play the film in a satellite mode; when the network mode is effective, the playing terminal can automatically detect whether the current network condition meets the condition of the network mode, if not, the traditional mode is suggested to be adopted, and if so, the playing terminal can automatically connect the online service of the cloud and acquire the current access mode.
2. The system for operating a rural digital cinema according to claim 1 wherein the edge server stores encrypted feeds.
3. The system of claim 1, wherein the cloud platform stores the encrypted film source when the encrypted film source is pushed directly to the playback terminal.
4. An operation system of rural digital cinema, comprising:
cloud platform, edge server and play terminal;
the cloud platform generates corresponding token files aiming at different movie sources, encrypts the movie sources to generate encrypted movie sources, generates an authentication key for the encrypted movie sources, and finally pushes the token files, the encrypted movie sources and the authentication key to an edge server or a playing terminal;
the edge server is connected with at least one playing terminal, authorizes the playing terminal according to the content of the authentication key, and not only serves as an accelerating node for downloading films, but also feeds back and monitors the downloading and showing conditions of the playing terminal in real time, and the use and the playing conditions of the playing terminal are controllable;
the playing terminal authenticates the encrypted film source through the edge server, plays the encrypted film source after the authentication is passed,
wherein the cloud platform pushes the token file to an edge server, pushes the encrypted film source and the authentication key to a playing terminal,
the playing terminal stores the encrypted film source, when playing, the playing terminal initiates authentication authorization to the edge server through the authentication key, the edge server checks through the token file, and if the authentication is passed, the playing terminal plays the pre-stored encrypted film source;
the playing terminal can be manually set to a traditional mode or a network mode; when the traditional mode is effective, transmitting a mode authorized by the entity card to receive and play the film in a satellite mode; when the network mode is effective, the playing terminal can automatically detect whether the current network condition meets the condition of the network mode, if not, the traditional mode is suggested to be adopted, and if so, the playing terminal can automatically connect the online service of the cloud and acquire the current access mode.
5. The system of claim 4, wherein the cloud platform retains the token file and pushes the encrypted source and the authentication key directly to the playback terminal.
6. An operation method of rural digital cinema is characterized by comprising the following steps:
generating corresponding token files aiming at different movie sources at a cloud platform, encrypting the movie sources to generate encrypted movie sources, generating an authentication key for the encrypted movie sources, and pushing the token files, the encrypted movie sources and the authentication key to an edge server or a playing terminal;
connecting at least one playing terminal by utilizing an edge server, and authorizing the playing terminal according to the content of the authentication key;
the playing terminal is utilized to authenticate the encrypted film source through the edge server, after the authentication is passed, the encrypted film source is played,
the cloud platform pushes the token file, the encrypted film source and the authentication key to the edge server, the edge server further sends the authentication key to the playing terminal,
when playing, the playing terminal initiates authentication authorization through the authentication key, the edge server checks through the token file, and if the authentication is passed, the playing terminal downloads and plays the encrypted film source from the edge server in real time;
the playing terminal can be manually set to a traditional mode or a network mode; when the traditional mode is effective, transmitting a mode authorized by the entity card to receive and play the film in a satellite mode; when the network mode is effective, the playing terminal can automatically detect whether the current network condition meets the condition of the network mode, if not, the traditional mode is suggested to be adopted, and if so, the playing terminal can automatically connect the online service of the cloud and acquire the current access mode.
7. An operation method of rural digital cinema is characterized by comprising the following steps:
generating corresponding token files aiming at different movie sources at a cloud platform, encrypting the movie sources to generate encrypted movie sources, generating an authentication key for the encrypted movie sources, and pushing the token files, the encrypted movie sources and the authentication key to an edge server or a playing terminal;
connecting at least one playing terminal by utilizing an edge server, and authorizing the playing terminal according to the content of the authentication key;
the playing terminal is utilized to authenticate the encrypted film source through the edge server, after the authentication is passed, the encrypted film source is played,
the cloud platform pushes the token file to the edge server, pushes the encrypted film source and the authentication key to the playing terminal,
the playing terminal stores the encrypted film source, when playing, the playing terminal initiates authentication authorization to the edge server through the authentication key, the edge server checks through the token file, and if the authentication is passed, the playing terminal plays the pre-stored encrypted film source;
the playing terminal can be manually set to a traditional mode or a network mode; when the traditional mode is effective, transmitting a mode authorized by the entity card to receive and play the film in a satellite mode; when the network mode is effective, the playing terminal can automatically detect whether the current network condition meets the condition of the network mode, if not, the traditional mode is suggested to be adopted, and if so, the playing terminal can automatically connect the online service of the cloud and acquire the current access mode.
8. The method of operation of a rural digital cinema of claim 7 wherein:
the cloud platform reserves the token file and directly pushes the encrypted film source and the authentication key to the playing terminal.
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