CN105657458A - Method and system for copying virtual program based on NIT private description - Google Patents
Method and system for copying virtual program based on NIT private description Download PDFInfo
- Publication number
- CN105657458A CN105657458A CN201610089059.1A CN201610089059A CN105657458A CN 105657458 A CN105657458 A CN 105657458A CN 201610089059 A CN201610089059 A CN 201610089059A CN 105657458 A CN105657458 A CN 105657458A
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- China
- Prior art keywords
- virtual programs
- nit
- virtual
- copying
- programs
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Classifications
-
- 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
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
- H04N21/2362—Generation or processing of Service Information [SI]
-
- 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
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
- H04N21/4345—Extraction or processing of SI, e.g. extracting service information from an MPEG stream
Abstract
The invention provides a method for copying a virtual program based on NIT private description. The method comprises the following steps: copying an original program into at least one virtual program; setting corresponding parameters of each virtual program; and interpolating the virtual programs into a first stage of cycle of a network information table at the front end of a digital television, and updating the version number o the network information table. The invention further provides a system for copying the virtual program based on the NIT private description. Under a condition of not occupying any bandwidth resource, an operator popularizes the programs according to the current actual demand.
Description
Technical field
The present invention relates to a kind of method copying virtual programs based on the privately owned description of NIT and system.
Background technology
At present, major part digital-TV operator maintains operation mainly by the license fee of TV programme, and the license fee of each program bag also has price to distinguish, some high lights of operator oneself how are recommended to user, allow more user order, watch these programs, become a difficult problem of operator; Generally there are two kinds of ways in present operator, and one is to user's distributing advertisement list; One is video carousel in local TV programme of preparing advertising; But both approaches produces little effect, but also to spend substantial amounts of manpower and material resources.
Summary of the invention
The technical problem to be solved in the present invention, is in that to provide a kind of method copying virtual programs based on the privately owned description of NIT and system, it is simple to operator promotes program.
One of present invention is achieved in that a kind of method copying virtual programs based on the privately owned description of NIT, comprises the steps:
Step 1, undertaken copying as at least one virtual programs by original program;
Step 2, the corresponding parameter of each virtual programs is set;
Step 3, described virtual programs is inserted into digital TV front-end the network information table first order circulation in, update network information table version number.
Further, in described step 2, the corresponding parameter of virtual programs includes: TransportStreamID, OriginalNetworkID and ServiceID; Wherein TransportStreamID and OriginalNetworkID of virtual programs and TransportStreamID and OriginalNetworkID of original program is identical.
The two of the present invention are achieved in that a kind of system copying virtual programs based on the privately owned description of NIT, including such as lower module:
Replication module, is undertaken copying as at least one virtual programs by original program;
Module is set, the corresponding parameter of each virtual programs is set;
Insert module, described virtual programs is inserted in the network information table first order circulation of digital TV front-end, updates network information table version number.
Further, described the corresponding parameter of virtual programs in module is set includes: TransportStreamID, OriginalNetworkID and ServiceID;Wherein TransportStreamID and OriginalNetworkID of virtual programs and TransportStreamID and OriginalNetworkID of original program is identical.
Present invention have the advantage that kind of the present invention is based on the method copying virtual programs of the privately owned description of NIT and system, when being not take up any bandwidth resources in front end, operator is actually needed according to current, by increasing the description of privately owned definition at the NIT the exterior and the interior of front end PSI, some high light is copied multiple virtual programs, allow user when watching TV programme, find these programs easily. And traditional way of promotion, such as provide handbill, or special making promotes video carousel on fixing program, to spend substantial amounts of man power and material on the one hand, on the other hand, on program specially, carousel will take natively nervous bandwidth resources, and therefore, the present invention can be more beneficial for the further genralrlization of DTV.
Accompanying drawing explanation
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is that the inventive method performs flow chart.
Fig. 2 is the system framework schematic diagram of the present invention.
Detailed description of the invention
As it is shown in figure 1, based on the method copying virtual programs of the privately owned description of NIT, comprise the steps:
Step 1, undertaken copying as at least one virtual programs by original program;
Step 2, arranging the corresponding parameter of each virtual programs, the corresponding parameter of described virtual programs includes: TransportStreamID, OriginalNetworkID and ServiceID; Wherein TransportStreamID and OriginalNetworkID of virtual programs and TransportStreamID and OriginalNetworkID of original program is identical;
Step 3, described virtual programs is inserted into digital TV front-end the network information table first order circulation in, update network information table version number.
The present invention is based on the system copying virtual programs of the privately owned description of NIT, including such as lower module:
Replication module, is undertaken copying as at least one virtual programs by original program;
Arranging module, arrange the corresponding parameter of each virtual programs, the corresponding parameter of described virtual programs includes: TransportStreamID, OriginalNetworkID and ServiceID; Wherein TransportStreamID and OriginalNetworkID of virtual programs and TransportStreamID and OriginalNetworkID of original program is identical;
Insert module, described virtual programs is inserted in the network information table first order circulation of digital TV front-end, updates network information table version number.
One detailed description of the invention of the present invention:
Network information table NIT (NetworkInformationTable) first order circulation inner for digital TV front-end PSI (ProgramSpecificInformation) increases several private setting descriptors (the tag value of self-defined descriptor), one descriptor describes the original program to replicate, several subcycles can be had in right later descriptor, describe this original program and be copied into several virtual programs, front end arranges the parameter of these virtual programs replicating out according to practical situation, including the TransportStreamID that program is corresponding, OriginalNetworkID, ServiceID etc. STB terminal is when program searching, according to these privately owned descriptions, record original program and replicate the corresponding relation of virtual programs, then list Rigen according to situation about replicating, original program and virtual programs are all listed, when user switches to virtual programs, what set-top box background really tuned is corresponding original program.Such as " hot physical culture " this program, the parameter of original program is TSID=100NetworkID=1ServiceID=1, 3 virtual programs are replicated in the privately owned description of NIT, it is TSID=100NetworkID=1ServiceID=11 respectively, TSID=100NetworkID=1ServiceID=12, TSID=100NetworkID=1ServiceID=13, and correspondence is described as " hot physical culture 1 " in SDT, " hot physical culture 2 ", " hot physical culture 3 ", Set Top Box is when search, the virtual programs that these 3 can be replicated out preserves, and record the original program of their correspondence, and in the rendition list these virtual programs of radom insertion, when user is switched to these virtual programs, set-top box background can according to relative recording, be tuned to corresponding original program, and play back.
As shown in Figure 2, the design of whole scheme is divided into front end and terminal two parts, first, according to actual needs, can inserting or delete privately owned description by NIT table in the PSI of front end at any time, the concrete structure of description and definition are as follows: Linkage_descriptor ()
After NIT table preserves amendment, its version number (versionnumber) can change, and when STB terminal monitor in real time changes to NIT version number, Set Top Box will trigger automatic function of search. Set Top Box is when automatically searching for, in additionally going the acquisition NIT table first order to circulate, front end is about the privately owned description replicating virtual programs, and the structure according to upper figure removes resolution data, parse the data of the virtual programs that original program is replicated out, and to virtual programs plus mark, to distinguish with original program, then related data is saved in the library of programmes of FLASH, next time, start just directly can obtain these virtual programs from FLASH library of programmes, without again obtaining from front end, save the time. Set Top Box is when creating the rendition list, first all of original program is sequenced sequence according to user-defined ordering rule, then in remaining virtual programs radom insertion list, when user switches program, according to mark judges whether it is virtual programs, if virtual programs, the information according to record, finding tuner parameters and the audio frequency and video PID of original program, broadcasting is the content of original program.
Although the foregoing describing the specific embodiment of the present invention; but those familiar with the art is to be understood that; we are merely exemplary described specific embodiment; rather than for the restriction to the scope of the present invention; those of ordinary skill in the art, in the equivalent modification made according to the spirit of the present invention and change, should be encompassed in the scope of the claimed protection of the present invention.
Claims (4)
1. the method copying virtual programs based on the privately owned description of NIT, it is characterised in that: comprise the steps:
Step 1, undertaken copying as at least one virtual programs by original program;
Step 2, the corresponding parameter of each virtual programs is set;
Step 3, described virtual programs is inserted into digital TV front-end the network information table first order circulation in, update network information table version number.
2. a kind of method copying virtual programs based on the privately owned description of NIT according to claim 1, it is characterised in that: in described step 2, the corresponding parameter of virtual programs includes: TransportStreamID, OriginalNetworkID and ServiceID;Wherein TransportStreamID and OriginalNetworkID of virtual programs and TransportStreamID and OriginalNetworkID of original program is identical.
3. the system copying virtual programs based on the privately owned description of NIT, it is characterised in that: include such as lower module:
Replication module, is undertaken copying as at least one virtual programs by original program;
Module is set, the corresponding parameter of each virtual programs is set;
Insert module, described virtual programs is inserted in the network information table first order circulation of digital TV front-end, updates network information table version number.
4. a kind of system copying virtual programs based on the privately owned description of NIT according to claim 3, it is characterised in that: described the corresponding parameter of virtual programs in module is set includes: TransportStreamID, OriginalNetworkID and ServiceID; Wherein TransportStreamID and OriginalNetworkID of virtual programs and TransportStreamID and OriginalNetworkID of original program is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610089059.1A CN105657458A (en) | 2016-02-17 | 2016-02-17 | Method and system for copying virtual program based on NIT private description |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610089059.1A CN105657458A (en) | 2016-02-17 | 2016-02-17 | Method and system for copying virtual program based on NIT private description |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105657458A true CN105657458A (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610089059.1A Pending CN105657458A (en) | 2016-02-17 | 2016-02-17 | Method and system for copying virtual program based on NIT private description |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1182329A (en) * | 1996-10-23 | 1998-05-20 | 松下电器产业株式会社 | Digital broadcasting system using virtual channels |
| CN101267529A (en) * | 2008-01-28 | 2008-09-17 | 四川金网通电子科技有限公司 | Method for managing the program receiving parameters of a terminal using NIT table with private information |
| CN102938860A (en) * | 2012-11-27 | 2013-02-20 | 康佳集团股份有限公司 | Program linkage broadcasting method |
| EP2701396A1 (en) * | 2011-04-20 | 2014-02-26 | Shenzhen Skyworth Digital Technology Co., Ltd. | System and method for playing digital television program, and digital television reception terminal |
| CN104333810A (en) * | 2014-10-08 | 2015-02-04 | 深圳创维数字技术有限公司 | Program playing method and device |
| CN104811804A (en) * | 2014-01-26 | 2015-07-29 | 四达时代通讯网络技术有限公司 | Video on-demand information acquisition method and system |
-
2016
- 2016-02-17 CN CN201610089059.1A patent/CN105657458A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1182329A (en) * | 1996-10-23 | 1998-05-20 | 松下电器产业株式会社 | Digital broadcasting system using virtual channels |
| CN101267529A (en) * | 2008-01-28 | 2008-09-17 | 四川金网通电子科技有限公司 | Method for managing the program receiving parameters of a terminal using NIT table with private information |
| EP2701396A1 (en) * | 2011-04-20 | 2014-02-26 | Shenzhen Skyworth Digital Technology Co., Ltd. | System and method for playing digital television program, and digital television reception terminal |
| CN102938860A (en) * | 2012-11-27 | 2013-02-20 | 康佳集团股份有限公司 | Program linkage broadcasting method |
| CN104811804A (en) * | 2014-01-26 | 2015-07-29 | 四达时代通讯网络技术有限公司 | Video on-demand information acquisition method and system |
| CN104333810A (en) * | 2014-10-08 | 2015-02-04 | 深圳创维数字技术有限公司 | Program playing method and device |
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Application publication date: 20160608 |