CN104780444B - One kind realizing background update programs of set-top box method and system based on PSI/SI tables - Google Patents
One kind realizing background update programs of set-top box method and system based on PSI/SI tables Download PDFInfo
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Abstract
The present invention provides one kind and realizing background update programs of set-top box method based on PSI/SI tables, includes the following steps：Step 10, set-top box after the power is turned on, detect whether the frequency point signal belonging to the currently playing program channel number of set-top box locks in real time, if so, entering step 20, otherwise, repeat step 10；Step 20 obtains the service type that program channel number is corresponded in all program channels number of current frequency point in pat table and SDT tables；Whether the service type that the service type for the program channel number that step 30, judgement are got corresponds to program channel number with set-top box is consistent, if so, return to step 10；Otherwise, the library of programmes of the current frequency point of set-top box is updated.The present invention also provides one kind realizing background update programs of set-top box system based on PSI/SI tables, realize that set-top box background program automatically updates, user experience is improved, and part-frequency point is updated, renewal time is shortened again in the case where ensureing that the program channel of user's viewing is updated.
Description
Technical field
The present invention relates to set-top box technique fields, more particularly to a kind of PSI/SI tables that are based on to realize background update set-top box section
Mesh method and system.
Background technology
With the rapid development of digital video broadcasting, DTV STB has become in people's life ＆ amusement that ratio can not
Few terminal, higher requirements are also raised for experience of the people to set-top box.Set-top box in actual use, due to front end
TV programme often change (increase, deletion and the modification of program names of such as program), and changing every time will set-top box weight
The search needs of new search, program are tuned each frequency point, it is contemplated that and one frequency point of search needs the time of 4s or so, and one
Secondary search is typically to be scanned for tens frequency points in big net, it is necessary to which plenty of time, the frequent program searching of transition occupy
User's a large amount of time, affect the experience of user.The newer side of programs of set-top box is realized by NIT version numbers in the prior art
Method, this method needs front end modification NIT version numbers, and set-top box can not achieve side and see that TV, side update program.
" a kind of set-top box and its method for updating program " is provided in the prior art, sees Publication No.：102438177A,
Publication date is：The Chinese patent of 2012-05-02, the described method comprises the following steps：S1, to each frequency point in frequency point list
Can data are added be phase locked the flag of ring locking for identifying the frequency point；S2, it detects one by one in the frequency point list each
The phase lock loop locks state of frequency point, wherein will be indicated as locked phase lock loop locks state and indicate what frequency point can be locked
Flag is set as consistent, will be indicated as unlocked phase lock loop locks state and is set with the flag that frequency point cannot be locked is indicated
It is set to unanimously, when the flag of the phase lock loop locks state and the frequency point differs, records the phase lock loop locks shape of the frequency point
State；S3, the frequency point recorded phase lock loop locks state be can be phase locked ring locking when, lock the frequency point signal, to this frequency
Point signal carries out locking optimization and demodulation, and the program searched under the frequency point simultaneously updates the row of the program under the frequency point according to search result
Table, while updating the flag of the frequency point in frequency point list.Above-mentioned patent is by sweeping all frequency points in frequency point list
Retouch, be updated, update it is primary used in the time it is longer and cannot achieve backstage and automatically update.
Invention content
One of the technical problem to be solved in the present invention is to provide a kind of based on PSI/SI tables realization background update set-top box
Program method realizes that set-top box background program automatically updates, and need not occupy user and watch section object time, improve user's body
It tests, and part-frequency point carries out program updating, shortens renewal time to a certain extent.
What one of the technical problem to be solved in the present invention was realized in：One kind realizing background update machine based on PSI/SI tables
Top box program method, includes the following steps：
Step 10, set-top box after the power is turned on, detect the frequency point signal belonging to the currently playing program channel number of set-top box in real time
Whether lock, if so, entering step 20, otherwise, repeats step 10；
Step 20, all sections for obtaining current frequency point in all program channels number of current frequency point in pat table and SDT tables
Service type corresponding to mesh channel number；
The service type for the program channel number that step 30, judgement are got corresponds to program channel number with set-top box memory
Whether service type is consistent, if so, return to step 10；Otherwise, the library of programmes of the current frequency point of set-top box is updated.
Further, the service type in the step 20 includes television services and non-television services.
Further, the step 30 further comprises：
Step 31, the program number of the program number that gets of judgement and current frequency point in programs of set-top box library whether one
It causes, if so, entering step 32；Otherwise, if the program number got is more than the program of current frequency point in programs of set-top box library
The programme information newly increased is then inserted into programs of set-top box library by number, if the program number got is less than set-top box section
The program number of current frequency point in mesh library then deletes programme information extra in programs of set-top box library；
Whether the program names and the program names in programs of set-top box library that step 32, judgement are got are consistent, if so, returning
Step 10；Otherwise, the program names in update programs of set-top box library.
Further, when currently playing program channel number needs update, set-top box skips to a program channel automatically
It number plays out.
The second technical problem to be solved by the present invention is to provide a kind of based on PSI/SI tables realization background update set-top box
Performance system realizes that set-top box background program automatically updates, and need not occupy user and watch section object time, improve user's body
It tests, and part-frequency point carries out program updating, shortens renewal time to a certain extent.
What the second technical problem to be solved by the present invention was realized in：One kind realizing background update machine based on PSI/SI tables
Top box performance system, including detection module, data acquisition module and program updating module；
The detection module：After the power is turned on for set-top box, in real time belonging to the currently playing program channel number of detection set-top box
Frequency point signal whether lock, if so, execute data acquisition module otherwise repeat detection module；
The data acquisition module：User obtain in pat table in all program channels number of current frequency point and SDT tables when
Service type corresponding to all program channels number of preceding frequency point；
The program updating module：The service type of program channel number for judging to get with it is right in set-top box memory
Answer the service type of program channel number whether consistent, if so, returning to detection module；Otherwise, the set-top box of current frequency point is updated
Library of programmes.
Further, the service type in the data acquisition module includes television services and non-television services.
Further, the program updating module further comprises：Number of programs update module and program names update module；
The number of programs update module：Program number for judging to get and current frequency point in programs of set-top box library
Program number it is whether consistent, if so, execute program names update module；Otherwise, if the program number got is more than machine top
The programme information newly increased, then be inserted into programs of set-top box library by the program number of current frequency point in box library of programmes, if obtaining
To program number be less than the program number of current frequency point in programs of set-top box library, then by program extra in programs of set-top box library
Information deletion；
All program names update modules：Whether the program names in program names and programs of set-top box library for judging to get
Unanimously, if so, returning to detection module；Otherwise, the program names in update programs of set-top box library.
Further, when currently playing program channel number needs update, set-top box skips to a program channel automatically
It number plays out.
The invention has the advantages that：By detecting the lock-out state of current frequency point in real time, obtain in PSI/IS tables in time
Pat table and SDT tables data, and be updated, set-top box background section realized in the case where not influencing user and watching program
Mesh automatically updates, and improves user experience, and the present invention is only updated the frequency point where the program of set-top box broadcasting, reduces
More new range shortens renewal time to a certain extent.
Description of the drawings
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the method for the present invention execution flow chart.
Fig. 2 is present system building-block of logic.
Specific implementation mode
Referring to Fig. 1, a kind of realizing background update programs of set-top box method based on PSI/SI tables, include the following steps：
Step 10, set-top box after the power is turned on, detect the frequency point signal belonging to the currently playing program channel number of set-top box in real time
Whether lock, if so, entering step 20, otherwise, repeats step 10；
Step 20, all sections for obtaining current frequency point in all program channels number of current frequency point in pat table and SDT tables
Service type corresponding to mesh channel number, the service type includes television services and non-television services, in PSI/SI tables,
The program channel program_number and the service_id of SDT tables of pat table are equal, by SDT tables
Service type service_type corresponding to service_id distinguishes the various businesses type of each program channel number, in full
Word television services, teletext service, NVOD (quasi-video request program) business etc., wherein digital television business are television services, figure
Teletext business, NVOD (quasi-video request program) business etc. belong to other business, i.e., non-television services；
The service type for the program channel number that step 30, judgement are got corresponds to program channel number with set-top box memory
Whether service type is consistent, if so, return to step 10；Otherwise, the library of programmes of the current frequency point of set-top box is updated.The step 30 into
One step includes：
Step 31, the program number of the program number that gets of judgement and current frequency point in programs of set-top box library whether one
It causes, if so, entering step 32；Otherwise, if the program number got is more than the program of current frequency point in programs of set-top box library
The programme information newly increased is then inserted into programs of set-top box library by number, if the program number got is less than set-top box section
The program number of current frequency point in mesh library then deletes programme information extra in programs of set-top box library, if the program deleted
Information includes currently playing program channel number, then suspends broadcasting actual program, and skips to a program channel number progress automatically
It plays；Such as when obtaining data, all program channel program_number that may get current frequency point in pat table are
1,2,3,4,5 and corresponding SDT tables in service_id be also 1,2,3,4,5, when service_id is 1,2,3 corresponding
Service type service_type types of service are television services, service_id 4,5 corresponding service type service_
Type types of service are non-television services, then the program number of current frequency point is 3；
Whether the program names and the program names in programs of set-top box library that step 32, judgement are got are consistent, if so, returning
Step 10；Otherwise, the program names in update programs of set-top box library.
Referring to Fig. 2, the present invention is a kind of to realize background update programs of set-top box system, including detection mould based on PSI/SI tables
Block, data acquisition module and program updating module；
The detection module：After the power is turned on for set-top box, in real time belonging to the currently playing program channel number of detection set-top box
Frequency point signal whether lock, if so, execute data acquisition module otherwise repeat detection module；
The data acquisition module：User obtain in pat table in all program channels number of current frequency point and SDT tables when
Service type corresponding to all program channels number of preceding frequency point, the service type include television services and non-television services,
In PSI/SI tables, the program channel program_number and the service_id of SDT tables of pat table are equal, are passed through
Service type service_type in SDT tables corresponding to service_id distinguishes the various businesses class of each program channel number
Type, such as digital television business, teletext service, NVOD (quasi-video request program) business, wherein digital television business are TV
Business, teletext service, NVOD (quasi-video request program) business etc. belong to other business, i.e., non-television services；
The program updating module：The service type of program channel number for judging to get with it is right in set-top box memory
Answer the service type of program channel number whether consistent, if so, returning to detection module；Otherwise, the set-top box of current frequency point is updated
Library of programmes.The program updating module further comprises：Number of programs update module and program names update module；
The number of programs update module：Program number for judging to get and current frequency point in programs of set-top box library
Program number it is whether consistent, if so, execute program names update module；Otherwise, if the program number got is more than machine top
The programme information newly increased, then be inserted into programs of set-top box library by the program number of current frequency point in box library of programmes, if obtaining
To program number be less than the program number of current frequency point in programs of set-top box library, then by program extra in programs of set-top box library
Information deletion suspends broadcasting actual program, and automatic if the programme information deleted includes currently playing program channel number
It skips to a program channel number to play out, such as when obtaining data, all programs of current frequency point in pat table may be got
Service_id is also 1,2,3,4,5 during channel number program_number is 1,2,3,4,5 and corresponding SDT tables, when
Service_id is that 1,2,3 corresponding service type service_type types of service are television services, service_id 4,5
Corresponding service type service_type types of service are non-television services, then the program number of current frequency point is 3；
The program names update module：Whether the program names in program names and programs of set-top box library for judging to get
Unanimously, if so, returning to detection module；Otherwise, the program names in update programs of set-top box library.
The present invention obtains the pat table and SDT tables in PSI/IS tables in time by detecting the lock-out state of current frequency point in real time
Data, be updated from the background so that do not influence user watch program in the case of automatically update programs of set-top box library, be
User eliminates the stand-by period of update program, improves user experience；And the present invention is only to where the program of set-top box broadcasting
Frequency point is updated so that is only updated the program channel in a frequency point every time, both ensure that program that user is watched by reality
Shi Gengxin, and reduce each newer range, renewal time is shortened to a certain extent.
Although specific embodiments of the present invention have been described above, those familiar with the art should manage
Solution, we are merely exemplary described specific embodiment, rather than for the restriction to the scope of the present invention, it is familiar with this
The technical staff in field modification and variation equivalent made by the spirit according to the present invention, should all cover the present invention's
In scope of the claimed protection.
Claims (6)
1. one kind realizing background update programs of set-top box method based on PSI/SI tables, it is characterised in that：Include the following steps：
After the power is turned on, whether the frequency point signal belonging to the currently playing program channel number of detection set-top box in real time for step 10, set-top box
Otherwise locking, repeats step 10 if so, entering step 20；
Step 20, all programs frequency for obtaining current frequency point in all program channels number of current frequency point in pat table and SDT tables
Service type corresponding to Taoist monastic name；
The service type for the program channel number that step 30, judgement are got corresponds to the service of program channel number with set-top box memory
Whether type is consistent, if so, return to step 10；Otherwise, the library of programmes of the current frequency point of set-top box is updated；
Service type in the step 20 includes television services and non-television services.
2. according to claim 1 a kind of based on PSI/SI tables realization background update programs of set-top box method, feature exists
In：The step 30 further comprises：
Whether the program number that step 31, judgement are got is consistent with the program number of current frequency point in programs of set-top box library, if
It is then to enter step 32；Otherwise, if the program number got is more than the program number of current frequency point in programs of set-top box library,
Then the programme information newly increased is inserted into programs of set-top box library, if the program number got is less than in programs of set-top box library
The program number of current frequency point, then delete programme information extra in programs of set-top box library；
Whether the program names and the program names in programs of set-top box library that step 32, judgement are got are consistent, if so, return to step
10；Otherwise, the program names in update programs of set-top box library.
3. according to claim 1 or 2 a kind of based on PSI/SI tables realization background update programs of set-top box method, feature
It is：When currently playing program channel number needs update, set-top box skips to a program channel number and plays out automatically.
4. one kind realizing background update programs of set-top box system based on PSI/SI tables, it is characterised in that：Including detection module, data
Acquisition module and program updating module；
The detection module：After the power is turned on for set-top box, the frequency belonging to the currently playing program channel number of set-top box is detected in real time
Whether point signal locks, if so, otherwise executing data acquisition module repeats detection module；
The data acquisition module：User obtains in pat table current frequency in all program channels number of current frequency point and SDT tables
Service type corresponding to all program channels number of point；
The program updating module：The service type of program channel number for judging to get section corresponding with set-top box memory
Whether the service type of mesh channel number is consistent, if so, returning to detection module；Otherwise, the programs of set-top box of current frequency point is updated
Library；
Service type in the data acquisition module includes television services and non-television services.
5. according to claim 4 a kind of based on PSI/SI tables realization background update programs of set-top box system, feature exists
In：The program updating module further comprises：Number of programs update module and program names update module；
The number of programs update module：The section of program number and current frequency point in programs of set-top box library for judging to get
Whether mesh number is consistent, if so, executing program names update module；Otherwise, if the program number got is more than set-top box section
The programme information newly increased, then be inserted into programs of set-top box library by the program number of current frequency point in mesh library, if get
Program number is less than the program number of current frequency point in programs of set-top box library, then by programme information extra in programs of set-top box library
It deletes；
All program names update modules：Program names for judging to get and the program names in programs of set-top box library whether one
It causes, if so, returning to detection module；Otherwise, the program names in update programs of set-top box library.
6. according to claim 4 or 5 a kind of based on PSI/SI tables realization background update programs of set-top box system, feature
It is：When currently playing program channel number needs update, set-top box skips to a program channel number and plays out automatically.
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108322815A (en) * | 2018-02-07 | 2018-07-24 | 深圳佳力拓科技有限公司 | A kind of real-time acquisition of backstage the whole network program and newer system and method |
| CN108965908A (en) * | 2018-07-19 | 2018-12-07 | 深圳国微视安科技有限公司 | A kind of method of quick obtaining program TS stream |
| CN110198481B (en) * | 2019-05-30 | 2021-11-02 | 北京创维海通数字技术有限公司 | Program updating method and device, electronic equipment and storage medium |
| CN111464855A (en) * | 2020-05-25 | 2020-07-28 | 珠海迈越信息技术有限公司 | Program data synchronization method |
| CN113630626B (en) * | 2021-08-04 | 2024-05-10 | 深圳市杰科数码有限公司 | Set top box, automatic program management method thereof and computer readable storage medium |
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