CN109068072A - A kind of on-demand synchronous safety transmission method of program listing timing - Google Patents
A kind of on-demand synchronous safety transmission method of program listing timing Download PDFInfo
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- CN109068072A CN109068072A CN201811125624.0A CN201811125624A CN109068072A CN 109068072 A CN109068072 A CN 109068072A CN 201811125624 A CN201811125624 A CN 201811125624A CN 109068072 A CN109068072 A CN 109068072A
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- program listing
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
-
- 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
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
-
- 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
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4334—Recording operations
-
- 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
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/4408—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video stream encryption, e.g. re-encrypting a decrypted video stream for redistribution in a home network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/265—Mixing
Abstract
The invention discloses a kind of on-demand synchronous safety transmission methods of program listing timing, the following steps are included: S01, completing program and program listing in production net, when the program and program listing that complete need upper sowing time, by broadcasting message in the port mapping transmission of secure data bridge；S02, port mapping both ends server validity judgement carried out to communication information if being allowed agreement and data format allow to transmit, otherwise forbid transmitting, avoid the intrusion of virus；The data judgement minimized is done in S03, recorded broadcast separation service, by necessary information and file synchronization to broadcast net.The data that the data that recorded broadcast separation may be implemented in this programme are synchronized and minimized in time are synchronous, suitable for broadcasting the data transmission synchronization broadcasted between the physically-isolated network such as net and Office Network.
Description
Technical field
The present invention relates to broadcasting stations to broadcast field and computer software, database cross network data field of synchronization, especially
Be related to it is a kind of for physics partition network between carry out the on-demand synchronous safety transmission method of program listing timing.
Background technique
It requires to separate with other network physicals according to 62 command of broadcasting and TV in the broadcast net of broadcasting station industry, broadcast,
And the production of production, the program listing of file is generally also all broadcasting net progress, greatly limits the flexibility of program making in this way
And high efficiency.In order to solve this problem, the method that we are proposed record and broadcast separation, all program makings and program listing editor are
It is carried out in Office Network, program listing is then synchronized to broadcast net.
Recorded broadcast separation method can be widely applied to broadcasting station etc. need physics separate safe broadcast net and Office Network into
Row real time programme list is synchronous, or production and broadcast adhere to the scene that different business departments works separately.For broadcasting net and doing
Communication between public network, therefore, to assure that safety.
Simultaneously because the security level broadcasted is more demanding, it is necessary to consider that the data volume of database minimizes, it is ensured that number
According to the high stability in library itself and the rapidity of access and retrieval.
Summary of the invention
The present invention can ensure that data are timely after being mainly to provide a kind of recorded broadcast separation under the premise of ensuring safety
It is synchronous, it realizes and compiles i.e. upper single on-demand synchronous safety transmission method of program listing timing broadcast.
What the present invention was mainly addressed by following technical proposals in view of the above technical problems: a kind of program listing timing
On-demand synchronous safety transmission method, comprising the following steps:
S01, it completes program and program listing in production net, when the program and program listing that complete need upper sowing time,
It is sent by the port mapping of secure data bridge and broadcasts message；
S02, port mapping both ends server to communication information carry out validity judgement, if be allowed agreement and
Data format then allows to transmit, and otherwise forbids transmitting, and avoids the intrusion of virus；
The data judgement minimized is done in S03, recorded broadcast separation service, by necessary information and file synchronization to broadcast net.Tool
Body is if there is N item record in full library, and the file for needing to play in the program listing on the same day only has M item (M < N), then only synchronizes M item
Data；The description information of file, much the detailed cataloguing when compiling single, does not use when playing, then is only played simultaneously and uses
Information, other different inventory informations.
Preferably, the data format being allowed to includes three parts, first part is the start bit of 4 bytes,
Second part is the structure body length of 4 bytes, and Part III is the structural body encrypted fields of 8 bytes, and Part IV is number
Factually body, data entity length are that structure body length subtracts 16.
Preferably, the structural body encrypted fields Encryption Algorithm of the Part III are as follows:
Hn(MD5(BC(data))))
Completely Base64 coding will be carried out by data entity, the data after coding are then subjected to MD5 coding, finally again
SHA hash is carried out, preceding 8 bytes of SHA256 digest value are returned.For different equipment and scene, different Base64 is set
Coded key, it is ensured that data are not broken into.Only receive be verified by effective information, just trigger program, program information
Synchronization.
Preferably, in the step S03, after the data judgement for finishing minimum, the information field identified to 0 or 1,
Carry out binary system merging；To self-defining character category information field, text merging is carried out.
Due to the particularity of broadcast industry, the encoded information of program is extremely complex, and the conventional fields of a program just have 40
It is multiple, some unconventional custom fields are added, information is increasingly complex, but these serve primarily in the production and volume of program
Code, it is practical broadcast in much can't use arrive, therefore this programme carries out the reconstruct of data structure for the particularity broadcasted,
Necessary information field is synchronized, and necessary field is subjected to secondary coding, mitigates the field complexity of database.
For needing to retrieve in manufacturing system, and the field for only needing information to show is being broadcasted, then carried out effective
Merge, carries out parsing displaying when broadcasting.
For the information field of 0 or 1 mark, effective binary system merging is carried out, if singer's gender only has men and women, 1 is represented
Male, 0 represents female.Whether continuously broadcast, 1 represents continuous broadcast, and 0 represents discontinuous broadcast.Whether broadcast is faded in, 1 representative is faded in,
0 representative is not faded in.Whether fade out broadcast, 1 represents and fades out, and 0 represents and do not fade out.Similar field is subjected to binary system merging, such as
Songster, is not faded in, fades out continuous broadcast, binary system are as follows: 1101: i.e. number 13, then a numeric field can represent
4 content fields.
For other self-defining character category information fields, carries out text and merge into a field.As affiliated singer, album,
The information such as region, classification are to have singer's table in production library, and external key is done in program information table and is associated with affiliated singer, and are being broadcast
Net is not required to be retrieved out, need to only show data information, therefore this several categorical data information is used separation into merging
Symbol is split, and does parsing display broadcasting net.Such as singer；Album；Region；Classification: Liu Dehua；Providence；Hong Kong；Popular sound
It is happy, add external key related information that can describe by a text word string in four enumerations information libraries.
Preferably, being synchronized in such a way that increment programme information is synchronous in step S03.
After new program listing layout completion comes into force, the program listing of following 4 hours or 4 columns being broadcast of future is only updated
Information, while the program listing broadcast is subjected to backup delete processing, greatly reduce the overall amount of data of program listing.Particularly with section
The case where mesh file can be broadcast on the period, as some column head can direct layout 1 year broadcasting list, such program will
There are 365 records in production library, but after having used the method for synchronization of increment program listing, at most only one is recorded in broadcast
Library.
It treated by above broadcasting mechanism program and is broadcast in program listing, the synchronization of data can be completed in second grade, i.e., on column
Mesh is completed to edit concurrently to serve in 5 seconds to broadcast order before starting playing out, and the real-time broadcast of program can be completed, without as previous
Recorded broadcast separation needs at least a few minutes to compile single and synchronize in advance.
Data after minimizing data synchronized algorithm are synchronous, can effectively remove 70% or more basic information
The file redundancy of database redundancy and 90% or more, effectively promotes the stability and recall precision of database, and mitigates broadcast net
Storage pressure.
Bring substantial effect of the present invention is the data that the data of recorded broadcast separation may be implemented and synchronize and minimize in time
It is synchronous, promote the flexibility of production, the timeliness of broadcast and the data minimum for broadcasting database.
Detailed description of the invention
Fig. 1 is a kind of flow chart of the invention.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment: a kind of on-demand synchronous safety transmission method of program listing timing of the present embodiment, as shown in Figure 1, include with
Lower step:
S01, it completes program and program listing in production net, when the program and program listing that complete need upper sowing time,
It is sent by the port mapping of secure data bridge and broadcasts message；
S02, port mapping both ends server to communication information carry out validity judgement, if be allowed agreement and
Data format then allows to transmit, and otherwise forbids transmitting, and avoids the intrusion of virus；
The data judgement minimized is done in S03, recorded broadcast separation service, by necessary information and file synchronization to broadcast net.Tool
Body is if there is N item record in full library, and the file for needing to play in the program listing on the same day only has M item (M < N), then only synchronizes M item
Data；The description information of file, much the detailed cataloguing when compiling single, does not use when playing, then is only played simultaneously and uses
Information, other different inventory informations.
The data format being allowed to includes three parts, and first part is the start bit of 4 bytes, and second part is 4
The structure body length of byte, Part III are the structural body encrypted fields of 8 bytes, and Part IV is data entity, and data are real
Body length is that structure body length subtracts 16.
Validity judgement is defined by following data format
The structural body encrypted fields Encryption Algorithm of Part III are as follows:
Hn(MD5(BC(data))))
Completely Base64 coding will be carried out by data entity, the data after coding are then subjected to MD5 coding, finally again
SHA hash is carried out, preceding 8 bytes of SHA256 digest value are returned.For different equipment and scene, different Base64 is set
Coded key, it is ensured that data are not broken into.Only receive be verified by effective information, just trigger program, program information
Synchronization.
In step S03, after the data judgement for finishing minimum, to the information field of 0 or 1 mark, binary system conjunction is carried out
And；To self-defining character category information field, text merging is carried out.
Due to the particularity of broadcast industry, the encoded information of program is extremely complex, and the conventional fields of a program just have 40
It is multiple, some unconventional custom fields are added, information is increasingly complex, but these serve primarily in the production and volume of program
Code, it is practical broadcast in much can't use arrive, therefore this programme carries out the reconstruct of data structure for the particularity broadcasted,
Necessary information field is synchronized, and necessary field is subjected to secondary coding, mitigates the field complexity of database.
For needing to retrieve in manufacturing system, and the field for only needing information to show is being broadcasted, then carried out effective
Merge, carries out parsing displaying when broadcasting.
For the information field of 0 or 1 mark, effective binary system merging is carried out, if singer's gender only has men and women, 1 is represented
Male, 0 represents female.Whether continuously broadcast, 1 represents continuous broadcast, and 0 represents discontinuous broadcast.Whether broadcast is faded in, 1 representative is faded in,
0 representative is not faded in.Whether fade out broadcast, 1 represents and fades out, and 0 represents and do not fade out.Similar field is subjected to binary system merging, such as
Songster, is not faded in, fades out continuous broadcast, binary system are as follows: 1101: i.e. number 13, then a numeric field can represent
4 content fields.
For other self-defining character category information fields, carries out text and merge into a field.As affiliated singer, album,
The information such as region, classification are to have singer's table in production library, and external key is done in program information table and is associated with affiliated singer, and are being broadcast
Net is not required to be retrieved out, need to only show data information, therefore this several categorical data information is used separation into merging
Symbol is split, and does parsing display broadcasting net.Such as singer；Album；Region；Classification: Liu Dehua；Providence；Hong Kong；Popular sound
It is happy, add external key related information that can describe by a text word string in four enumerations information libraries.
In step S03, synchronized in such a way that increment programme information is synchronous.It comes into force in new program listing layout completion
Afterwards, the program information of following 4 hours or 4 columns being broadcast of future is only updated, while the program listing broadcast being backed up
Delete processing greatly reduces the overall amount of data of program listing.The case where being broadcast on the period particularly with program file, such as some column
Mesh head can direct layout 1 year broadcasting list, such program will have 365 records in production library, but use increasing
After the method for synchronization for measuring program listing, at most only one is recorded in broadcast library.
It treated by above broadcasting mechanism program and is broadcast in program listing, the synchronization of data can be completed in second grade, i.e., on column
Mesh is completed to edit concurrently to serve in 5 seconds to broadcast order before starting playing out, and the real-time broadcast of program can be completed, without as previous
Recorded broadcast separation needs at least a few minutes to compile single and synchronize in advance.
Data after minimizing data synchronized algorithm are synchronous, can effectively remove 70% or more basic information
The file redundancy of database redundancy and 90% or more, effectively promotes the stability and recall precision of database, and mitigates broadcast net
Storage pressure.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although the terms such as program listing, synchronization, data structure, encryption are used more herein, it is not precluded and uses it
A possibility that its term.The use of these items is only for be more convenient to describe and explain essence of the invention；They are solved
Being interpreted into any additional limitation is disagreed with spirit of that invention.
Claims (5)
1. a kind of on-demand synchronous safety transmission method of program listing timing, which comprises the following steps:
S01, it completes program and program listing in production net, when the program and program listing that complete need upper sowing time, passes through
The port mapping of secure data bridge broadcasts message on sending；
S02, port mapping both ends server to communication information carry out validity judgement, if being allowed agreement and data
Format then allows to transmit, and otherwise forbids transmitting；
The data judgement minimized is done in S03, recorded broadcast separation service, by necessary information and file synchronization to broadcast net.
2. the on-demand synchronous safety transmission method of a kind of program listing timing according to claim 1, which is characterized in that the quilt
The data format of permission includes three parts, and first part is the start bit of 4 bytes, and second part is the structure of 4 bytes
Body length, Part III are the structural body encrypted fields of 8 bytes, and Part IV is data entity, and data entity length is knot
Structure body length subtracts 16.
3. the on-demand synchronous safety transmission method of a kind of program listing timing according to claim 2, which is characterized in that described
The structural body encrypted fields Encryption Algorithm of three parts are as follows:
Hn(MD5(BC(data))))
Completely Base64 coding will be carried out by data entity, the data after coding are then subjected to MD5 coding, are finally carried out again
SHA hash returns to preceding 8 bytes of SHA256 digest value.
4. the on-demand synchronous safety transmission method of a kind of program listing timing according to claim 1 or 2, which is characterized in that institute
It states in step S03, after the data judgement for finishing minimum, to the information field of 0 or 1 mark, carries out binary system merging；To certainly
Definition character category information field carries out text merging.
5. the on-demand synchronous safety transmission method of a kind of program listing timing according to claim 4, which is characterized in that step
In S03, synchronized in such a way that increment programme information is synchronous.
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| CN201811125624.0A CN109068072A (en) | 2018-09-26 | 2018-09-26 | A kind of on-demand synchronous safety transmission method of program listing timing |
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| US20150052146A1 (en) * | 2013-08-19 | 2015-02-19 | Nant Holdings Ip, Llc | Camera-to-camera interactions, systems and methods |
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2018
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1578431A (en) * | 2003-06-27 | 2005-02-09 | 微软公司 | Compressing and decompressing epg data |
| CN101127915A (en) * | 2007-09-20 | 2008-02-20 | 中兴通讯股份有限公司 | Electronic program navigation data synchronization method and system based on incremental mode |
| CN101909140A (en) * | 2010-08-10 | 2010-12-08 | 福建新大陆通信科技股份有限公司 | Method for set top box to quickly receive EPG data |
| CN103260073A (en) * | 2012-02-15 | 2013-08-21 | 深圳市视纬通科技有限公司 | Method and device for rapidly processing and displaying electronic program guide information, digital television and main board of digital television |
| US20150052146A1 (en) * | 2013-08-19 | 2015-02-19 | Nant Holdings Ip, Llc | Camera-to-camera interactions, systems and methods |
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Application publication date: 20181221 |