CN108235073A - A kind of program updating method - Google Patents

A kind of program updating method Download PDF

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Publication number
CN108235073A
CN108235073A CN201810143613.9A CN201810143613A CN108235073A CN 108235073 A CN108235073 A CN 108235073A CN 201810143613 A CN201810143613 A CN 201810143613A CN 108235073 A CN108235073 A CN 108235073A
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CN
China
Prior art keywords
program
frequency point
information
terminal
configuration file
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Granted
Application number
CN201810143613.9A
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Chinese (zh)
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CN108235073B (en
Inventor
张明
赵伟
徐磊
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Hisense Broadband Multimedia Technology Co Ltd
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Hisense Broadband Multimedia Technology Co Ltd
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Priority to CN201810143613.9A priority Critical patent/CN108235073B/en
Priority to CN201510011623.3A priority patent/CN104602107B/en
Publication of CN108235073A publication Critical patent/CN108235073A/en
Application granted granted Critical
Publication of CN108235073B publication Critical patent/CN108235073B/en
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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45Management 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
    • H04N21/458Scheduling content for creating a personalised stream, e.g. by combining a locally stored advertisement with an incoming stream; Updating operations, e.g. for OS modules ; time-related management operations
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25Management 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
    • H04N21/266Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45Management 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
    • H04N21/462Content 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/84Generation or processing of descriptive data, e.g. content descriptors

Abstract

The embodiment of the present invention provides a kind of program updating method and terminal, server, can reduce the time that terminal carries out program updating, promotes user experience.The program updating method includes:Obtain the fresh information in the digital transmission signal that server is sent, the configuration file of at least one frequency point in the frequency point that the program of the fresh information including the server update is related to;The configuration file of at least one frequency point included according to the fresh information, obtain the description information of each program transmitted on each frequency point at least one frequency point, wherein, the description information of program includes the parameters needed during program described in the terminal plays;According to the description information of each program transmitted on frequency point each at least one frequency point, program information database is updated, wherein, the program information database is storing the description information of all programs of terminal record.Program updating method provided in an embodiment of the present invention is updated for terminal-pair program.

Description

A kind of program updating method
The application is a kind of on 01 09th, 2015 entitled " program updating method and terminal, the server " proposed Chinese invention patent application 201510011623.3 divisional application.
Technical field
The present invention relates to field of television more particularly to a kind of program updating methods and terminal, server.
Background technology
As people are to the hommization demand of TV programme, the application of digital television system is more and more extensive, and terminal is Realize the important equipment of digital television function, it is generally the case that the description information for the program that terminal will receive is recorded in this It is managed in the program information database on ground, the description information includes frequency, coding mode of section purpose frequency point etc. Information, but since server is often planned and adjusted to program, that is, change frequency point or coding mode of program etc. Information, this causes terminal needs to be often updated to program information database, and common terminal is set-top box.
It is exemplary, it is assumed that terminal is set-top box, and server is sent to the digital transmission signal of set-top box and includes NIT (Network Information Table, network information table), if server updates program, server is sent It can change to the version number of the NIT of set-top box, when user opens television set, set-top box can be according to the NIT tables received Version number and current record NIT tables version number difference, judgement may need carry out program updating, then in NIT Including each frequency point scan for, obtain the description information of each program transmitted on each frequency point, that is, need to server All frequency points of broadcast scan for, and whole according to the update of the description information of each program transmitted on each frequency point got A program information database.
But under normal conditions, server will not update all programs of the whole network on a large scale, just for indivedual Program is adjusted, therefore only relates to a small number of frequency points, and the description information of most of program will not change.Due to machine in the prior art Top box is that all frequency points of server broadcast are scanned for when carrying out program updating so that can be related to pair during update every time The search much carried out without newer frequency point has carried out many invalid updates, so that the time that update is spent is longer, Affect user experience.
Invention content
The embodiment of the present invention provides a kind of program updating method and terminal, server, can reduce terminal and carry out program The newer time promotes user experience.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that:
On the one hand, the embodiment of the present invention provides a kind of program updating method, for terminal, the method includes:
The fresh information in the digital transmission signal that server is sent is obtained, the fresh information includes the server more The configuration file of at least one frequency point in the frequency point that new program is related to;
The configuration file of at least one frequency point included according to the fresh information obtains every at least one frequency point The description information of each program transmitted on a frequency point, wherein, the description information of program includes program described in the terminal plays When the parameters that need;
According to the description information of each program transmitted on frequency point each at least one frequency point, programme information is updated Database, wherein, the program information database to store terminal record all programs description information.
On the other hand, the embodiment of the present invention provides a kind of program updating method, for server, the method includes:
Update at least one program;
Fresh information is generated, the fresh information includes the frequency that at least one program of the server update is related to The configuration file of at least one frequency point in point;
The fresh information is sent to terminal.
In another aspect, the embodiment of the present invention provides a kind of terminal, which is characterized in that the terminal includes:
First acquisition unit, for the fresh information in the digital transmission signal of server transmission, the fresh information packet Include the configuration file of at least one frequency point in the frequency point that the program of the server update is related to;
Second acquisition unit for the configuration file of at least one frequency point included according to the fresh information, obtains institute The description information of each program transmitted on each frequency point at least one frequency point is stated, wherein, the description information of program includes institute State the parameters needed during program described in terminal plays;
Updating unit, for being believed according to the description of each program transmitted on frequency point each at least one frequency point Breath, update program information database, wherein, the program information database to store terminal record all programs description Information.
Another aspect, the embodiment of the present invention provide a kind of server, and the server includes:
Updating unit, for updating at least one program;
Generation unit, for generating fresh information, the fresh information includes described at least the one of the server update The configuration file of at least one frequency point in the frequency point that a program is related to;
Transmitting element, for sending the fresh information to terminal.
The embodiment of the present invention provides a kind of program updating method and terminal, server, and the method includes obtaining clothes first The fresh information being engaged in the digital transmission signal that device is sent, what the program that the fresh information includes the server update was related to The configuration file of at least one frequency point in frequency point, the configuration text of at least one frequency point then included according to the fresh information Part obtains the description information of each program transmitted on each frequency point at least one frequency point, wherein, the description letter of program Breath includes the parameters needed during program described in the terminal plays, and then according to each frequency point at least one frequency point The description information of each program of upper transmission updates program information database, wherein, the program information database is storing The description information of all programs of terminal record.Compared to the prior art, when terminal-pair program information database is updated, It is that the fresh information sent according to server is updated, since the frequency point in fresh information is only the program of server update At least one of involved frequency point frequency point, therefore terminal does not need to that all frequency points of server broadcast are scanned for coming more New program information database, it is only necessary to be scanned for the newer frequency point that is related to that fresh information includes, acquisition is related to updating Frequency point on the description information of program transmitted, then only need according to involved in the fresh information got on newer frequency point The description information of the program of transmission updates program information database, has saved the time that terminal carries out program updating, promotes user Experience.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of program updating method flow chart provided in an embodiment of the present invention;
Fig. 2 is another program updating method flow chart provided in an embodiment of the present invention;
Fig. 3 is another program updating method flow chart provided in an embodiment of the present invention;
Fig. 4 is a kind of structure diagram of terminal provided in an embodiment of the present invention;
Fig. 5 is the structure diagram of another terminal provided in an embodiment of the present invention;
Fig. 6 is a kind of structure diagram of server provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work Embodiment shall fall within the protection scope of the present invention.
The embodiment of the present invention provides a kind of program updating method, for terminal, as shown in Figure 1, the method includes:
Fresh information in the digital transmission signal that step 101, acquisition server are sent, the fresh information includes described The configuration file of at least one frequency point in the frequency point that the program of server update is related to.
Exemplary, the configuration file of the frequency point generally includes the letters such as frequency, modulation system and the symbol rate of corresponding frequency point Breath, the server are the program sending device of GuangDian Center or the program sending device of TV station, such as program front end.Show Example, the digital transmission signal can be server be sent to terminal include NIT (Network Information Table, network information table) signal, such as TS (Transport Stream, transport stream) code stream, the fresh information can be with It is included in the NIT, the characteristic information configuration file includes the letters such as frequency, modulation system and the symbol rate of corresponding frequency point Breath.In practical application, server may increase new program or the original program of adjustment according to user demand, i.e., according to The frequency point of the family demand planning program current with adjustment and the coding mode of respective program etc. so that updated program meets User demand.It is exemplary, it is assumed that the first program is currently SD program, and user needs first program becoming high-definition program, Server needs to update first segment purpose coding mode at this time;Or server application family increase in demand second program, need for Second program distributes frequency point, due to the limited program that a frequency point can transmit, is needed when increasing second program to current The use of frequency point be adjusted and plan.It follows that when program changes, server can't to all frequency points or The coding mode of all programs is adjusted, but adjusts the information of respective program, so after server update, Ke Yisheng Into fresh information, in practical application, which can include the frequency point involved by the program of the server update In all frequency points characteristic information configuration file, the characteristic information configuration file of each frequency point includes the modulation system of corresponding frequency point And symbol rate etc. so that terminal is updated according to fresh information.
In practical application, server can be using fresh information as individual information in the form of broadcasting or directive sending Form, be sent to terminal.Exemplary, server can be according to IP address, by being sent to the IP for fresh information orientation The terminal of address;In the form of broadcast fresh information can also be sent to all terminals being connect with the server.Common end Hold as set-top box or can realize the network terminal of set-top box functionality, the machine if television set and set-top box become one, eventually End or the all-in-one machine.
Step 102, the configuration file of at least one frequency point included according to the fresh information obtain described at least one The description information of each program transmitted on each frequency point in frequency point, wherein, the description information of program includes the terminal plays The parameters needed during the program.
In practical application, terminal can obtain any one in the configuration file of at least one frequency point that fresh information includes The information such as the configuration file of frequency point, frequency, modulation system and the symbol rate then included according to the configuration file of the frequency point, to this Frequency point is demodulated and searches for, and the description information of each program in all programs transmitted on the frequency point can be obtained, wherein saving Purpose description information includes the parameters needed during program described in the terminal plays, for example, the description information of program includes The information such as the frequency and coding mode of the frequency point where corresponding program.
It is exemplary, it is illustrated by taking the configuration file that fresh information includes the first frequency point as an example, the first frequency point is at least one Any one frequency point in a frequency point.After terminal obtains the configuration file of the first frequency point, according to the configuration text of first frequency point The information such as frequency, modulation system and symbol rate in part are demodulated and search for first frequency point, obtain the first frequency point and upload Defeated data, the data include PMT (Program Map Table, Program Map Table), and PMT includes the upload of the first frequency point The relevant information of defeated all programs, usually each program correspond to a program number, and each program number corresponds to a section (slice information).It is illustrated by taking the first program as an example, the first program is any one in the multiple programs transmitted on the first frequency point A program, it is assumed that first segment purpose program number is 0100, then corresponds to the section that program number is 0100 and include first segment purpose Video PID (Packet Identifier, identity code transmission packet), Audio PID, Video coding mode and audio coding mode etc. Information, then according to the first segment purpose description information recorded in the first segment purpose every terms of information more new terminal got.
Step 103, according to the description information of each program transmitted on frequency point each at least one frequency point, update Program information database, wherein, the program information database to store terminal record all programs description information.
It is exemplary, in the configuration file of at least one frequency point included according to the fresh information, obtain described at least one It, can be by all programs transmitted on the frequency point more after the description information of each program transmitted on each frequency point in a frequency point Description information after new is recorded in program information database, and when user needs to watch the program, terminal is according to the program Description information receives the vision signal and audio signal of the program, and is by the vision signal of the program and audio signal decoding Image and sound.
For example, getting first segment purpose video PID (Packet Identifier, identity code transmission packet), audio PID, after the information such as Video coding mode and audio coding mode, wherein, the video PID is first segment purpose video information Mark, the Audio PID be first segment purpose audio-frequency information mark.Can be obtained according to first segment purpose video PID Then first segment purpose video information in one frequency point decodes the first segment purpose video by first segment purpose Video coding mode Information obtains first segment purpose and shows image, similarly can obtain first segment in the first frequency point according to first segment purpose Audio PID Then purpose audio-frequency information decodes the first segment purpose audio-frequency information by first segment purpose audio coding mode, obtain first The broadcasting sound of program.When transmitting multiple programs in the first frequency point, first segment purpose description information also needs to include first segment Purpose video PID and Audio PID, when only transmitting the first program in the first frequency point, first segment purpose description information can be wrapped only Include the frequency and coding mode of the first frequency point.There are many common Video coding modes, for example, MPAG2 and MPAG4 etc., when regarding When frequency coding mode is MPAG2, the first program of expression is SD program, when video type is MPAG4, represents that the first program is High-definition program.
So, it when terminal-pair program is updated, is updated according to fresh information, only included in fresh information The configuration file of at least one frequency point in frequency point involved by the program of server update, therefore terminal does not need to be wide to server The each frequency point broadcast is demodulated and searches for, it is only necessary to which the frequency point involved by the newer program included to fresh information carries out Demodulation is searched for, and then updates program information database, has saved the time that terminal carries out program updating, promotes user experience.
Optionally, the fresh information includes the program version after the server update program;Described in the basis The configuration file of at least one frequency point that fresh information includes, obtain transmitted on each frequency point at least one frequency point it is every The description information of a program includes:Program version after the current program version of the terminal is less than the server update program This when, the configuration file of at least one frequency point included according to the fresh information obtain each at least one frequency point The description information of each program transmitted on frequency point.
In the prior art, terminal is to judge whether to need to be updated according to the version number of NIT received, still There are many information in NIT, and the variation of the version number of NIT is not absolutely caused by program updating, if so according to NIT Version number whether change and determine whether to carry out program updating, many invalid updates can be caused, therefore can believe in update Program version is added in breath, by the variation of program version, judges whether to need to carry out program updating.
It is exemplary, after server completes primary update, updated program version can be generated, it is generally the case that more Program version after new is higher than the program version before update, and current highest program version is the program version after latest update This, in practical application, can preset identical program version rule in initialization in terminal and server.In server It completes that in the fresh information that update generates later the program version after server update can be carried, then terminal is receiving more After new information, the program version in fresh information is parsed first, it is then local by the program version in fresh information and currently Program version be compared, when the current program version of terminal is less than program version after server update program, according to The configuration file for the frequency point that the fresh information includes, obtains the description information of the program, and retouching according to the program of acquisition Information is stated, program information database is updated, when the current program version of terminal and program version phase after server update program When together or the current program version of terminal is higher than program version after server update program, then do not need to obtain program Description information, and then be updated also without to program information database, repetition update or invalid update are avoided, further Renewal time is saved.
Optionally, the fresh information includes identifying the hardware identifier of terminal hardware information;Described in the basis The configuration file of at least one frequency point that fresh information includes, obtain transmitted on each frequency point at least one frequency point it is every The description information of a program includes:When the hardware information of the terminal is matched with the hardware identifier, believed according to the update The configuration file of at least one frequency point included is ceased, obtains each program transmitted on each frequency point at least one frequency point Description information.
It is exemplary, it is illustrated for for set-top box, there are many producer of existing production set-top box, each producer's production Set top box type it is also very much, different types of set-top box can complete different functions, the same not all class of function The set-top box of type can be completed.Different types of set-top box is distinguished by the hardware of set-top box, that is, completes different function The hardware of set-top box is different, the mark of each hardware all existence anduniquess, for example, it may be identification of the manufacturer or model mark Know, it is not limited in the embodiment of the present invention.It is exemplary, it is assumed that the first set-top box can complete the decoding of high-definition program, i.e., and The hardware of one set-top box has the function of to decode high-definition program, and the second set-top box cannot complete the decoding of high-definition program, i.e., the The hardware of two set-top boxes does not have the function of decoding high-definition program.When server is updated, the first program is converted into high definition Program, and generate fresh information and broadcasted.If user uses the second set-top box, first segment purpose can not be completed more Newly, but since the second set-top box can not judge whether be updated so that the second set-top box is receiving update letter Invalid update has been carried out after breath to program database, user has been wasted and watches section object time.It therefore, can be in generation It carries to identify the hardware identifier of terminal hardware information in fresh information, be used to indicate in only hardware information and fresh information The matched set-top box of hardware identifier, program information database can be updated according to the fresh information, the present embodiment Fresh information in hardware identifier matched with the hardware information of the first set-top box, therefore only the first set-top box is updated, And the hardware identifier in the hardware information and fresh information of the second set-top box mismatches, so the second set-top box is without more Newly, the invalid update that undesirable set-top box carries out is avoided, has been saved renewal time, wherein hardware information and hardware mark The mark for knowing the matching as hardware is identical with the hardware identifier.
Further, in the configuration file of at least one frequency point included according to the fresh information, described in acquisition Before the description information of each program transmitted on each frequency point at least one frequency point, the method includes:Prompting user is It is no that program information database is updated;The configuration file of at least one frequency point included according to the fresh information, The description information of each program transmitted on each frequency point at least one frequency point is obtained to include:When user is confirmed to program When information database is updated, the configuration file of at least one frequency point that is included according to the fresh information, obtain described in extremely The description information of each program transmitted on each frequency point in a few frequency point.
It is exemplary, respective program is related only to since server updates every time, if terminal does not influence big without update The viewing of partial programme.Therefore terminal is in the configuration file of at least one frequency point included according to the fresh information, acquisition institute Before stating the description information of each program transmitted on each frequency point at least one frequency point, it can prompt the user whether to need first It is updated, the program identification for needing to be updated can be included in prompt message, if user feels not influence actual program Viewing, do not need to be updated, then terminal can not obtain the description information of program, and then also without retouching according to program Information is stated, program information database is updated, more humane selection is provided for program updating.
In practical application, terminal can also be implemented to monitor NIT, if user is carrying out program viewing, terminal monitoring to NIT When including the program version in fresh information and fresh information higher than current version, user can also be prompted to carry out program more Newly, in order to which user watches newest program, user experience is improved.
The embodiment of the present invention provides a kind of program updating method, the Digital Transmission sent the method includes obtaining server Fresh information in signal, at least one frequency point in the frequency point that the program of the fresh information including the server update is related to Configuration file;The configuration file of at least one frequency point included according to the fresh information obtains at least one frequency point In the description information of each program transmitted on each frequency point, wherein, the description information of program is included described in the terminal plays The parameters needed during program;Believed according to the description of each program transmitted on frequency point each at least one frequency point Breath, update program information database, wherein, the program information database to store terminal record all programs description Information.Compared to the prior art, when terminal-pair program is updated, it is updated according to fresh information, is only wrapped in fresh information The configuration file of all frequency points involved by the program of server update is included, therefore terminal is not needed to each of server broadcast The program transmitted on frequency point scans for updating, it is only necessary to all involved by the newer program included to fresh information Frequency point is demodulated and searches for, and then updates program information database, has saved the time that terminal carries out program updating, is promoted and used It experiences at family.
The embodiment of the present invention provides a kind of program updating method, as shown in Fig. 2, for server, the method includes:
Step 201, at least one program of update.
In practical application, server may broadcast multiple programs, when server application family demand carries out program updating, and It is not that all programs are all updated, but only relates to the respective program for needing to be updated.It is exemplary, it is assumed that first segment Mesh is currently SD program, and user needs first program becoming high-definition program, and server is only needed for first segment at this time Purpose decoding process is updated;Or server application family increase in demand second program, it needs to distribute frequency point for second program, Due to the limited program that can be transmitted on a frequency point, server needs are adjusted and plan to current frequency point.
Step 202, generation fresh information, the fresh information include at least one program of the server update The configuration file of at least one frequency point in the frequency point being related to.
Exemplary, the configuration file can include the information such as frequency, modulation system and the symbol rate of corresponding frequency point.Service After device completes at least one program updating, fresh information can be generated, which includes the server update Program involved by frequency point at least one frequency point configuration file.It is exemplary, it is assumed that this update of server only relates to First program will be particularly that the first program of SD program becomes high-definition program originally, it is therefore desirable to update the first program Decoding process, at this time fresh information include the configuration file of first segment purpose frequency point.Or assume server this more Newly it is related to multiple programs, multiple programs can transmit on multiple frequency points, and in practical application, fresh information can include described more The configuration file of at least one of a frequency point frequency point, the configuration file of frequency point that terminal includes according only to fresh information carry out Update, it is preferred that fresh information includes the configuration file of each frequency point in the multiple frequency point.
In practical application, fresh information can also include program version, in order to which terminal judges whether to need to be updated; It can also include the hardware identifier to identify terminal hardware information, in order to which terminal judges whether to be updated.
Step 203 sends the fresh information to terminal.
Specifically, server timing cycle sends digital transmission signal to terminal, the digital transmission signal can include NIT (Network Information Table, network information table) then sends fresh information addition together in NIT, In order to which terminal is after digital transmission signal is received, fresh information is obtained.
The embodiment of the present invention provides a kind of program updating method, and the method includes updating at least one program;Generation is more New information, the configuration file of at least one frequency point in the frequency point that at least one program of the server update is related to;To Terminal sends the fresh information.Compared to the prior art, after server completes program updating, fresh information is generated, more Only include the configuration file of frequency point that newer program is related in new information, be pair in this way when terminal-pair program is updated What the frequency point in fresh information was updated, the program for not needing to transmit on all frequency points to server broadcast scans for coming Program information database is updated, has saved the time that terminal carries out program updating, promotes user experience.
The embodiment of the present invention provides a kind of program updating method, and for terminal and server, the embodiment of the present invention is assumed eventually It holds as set-top box, and server broadcasts 30 programs in total, is transmitted on 10 frequency points respectively, this update is related to 3 programs, Respectively the first program, second program and third program, wherein the first program is the existing program transmitted on the first frequency point, this Secondary update is related to first segment purpose coding mode, will be originally that the first program of SD program is converted into high-definition program;Second Program is the program newly increased, this update is related to being planned for transmitting on the second frequency point by second program;Third program is former Come the existing program transmitted on the second frequency point, in order to which second program is planned for transmitting on the second frequency point, and the second frequency point On the program frequency point that can transmit it is limited, therefore this update is related to the frequency point adjustment of third program, will be originally in the second frequency point The third program of upper transmission is adjusted to transmit on third frequency point.Therefore, this newer first program, second program and third The frequency point that program is related to is respectively the first frequency point, the second frequency point and third frequency point, the embodiment of the present invention using digital transmission signal as It is illustrated for TS (Transport Stream, transport stream) code stream, the TS code streams include NIT, as shown in figure 3, described Method includes:
Step 301, the first program of server update, second program and third program perform step 302.
First program is converted into high-definition program, and increase second program by server according to user demand, while in order to incite somebody to action Second program is planned for transmitting on the second frequency point, and the transmitting pin point of third program is adjusted.Therefore server this more The planning of the new transmission frequency point for being related to first segment purpose coding mode and carrying two programs and third program.
Step 302, server generation fresh information, perform step 303.
In the prior art, the NIT that TS code streams include includes 10 frequency points of 30 programs of the server current broadcast Configuration file, the data packet format of the configuration file of each frequency point is as shown in table 1, i.e. NIT include 10 it is as shown in Table 1 Data packet:
1 profile data packet form of table
Wherein, descriptor_tag represents " descriptor tag ", for illustrating the property of the data packet, i.e. the data packet It is the data packet for describing the configuration file of frequency point;Descriptor_length represents " descriptor length ", for illustrating to retouch State the length of the data packet;Frequency represents " frequency ", for illustrating the frequency point of data packet description;reserved_ Future_use is reserved item, extends information for carrying;FEC_outer is FEC outer codes;Modulation represents " modulation ", For illustrating the modulation system of the frequency point of data packet description;Symbol_rate represents " symbol rate ", for illustrating the data packet The symbol rate of the frequency point of description;FEC_inner is FEC Internal Code;Digit represents the byte number that each single item occupies;bslbf(bit String, left bit first), represent that the character string is Bit String, and left bit first;uimsbf(unsigned Integer, most significant bit first), the character string is represented as signless integer, and uimsbf unsigned integer most significant bit first.
It updating after completing, the first frequency point, the configuration file of the second frequency point and third frequency point determines, i.e. the first frequency point, the The information such as the frequency of two frequency points and third frequency point, modulation system and symbol rate are it has been determined that then according to the first frequency point, and second The configuration file of frequency point and third frequency point generates fresh information, and the data packet format of fresh information is as shown in table 2:
2 fresh information data packet format of table
Wherein, Descriptor_tag represents " descriptor tag ", and for identifying fresh information, i.e. fresh information identifies; Descriptor_length represents " descriptor length ", for illustrating the length of fresh information;Linkage_type represents " chain Connect type ";Data_length represents " data length ", for illustrating in fresh information from the data after data_length Length;Hardware_version represents " hardware identifier ", and corresponding frequency point can be completed more for explanation in the embodiment of the present invention The mark of new hardware;Program_version represents " software identification ", is used to illustrate program version in the embodiment of the present invention; Selector_length represents " selector length ", and all frequency points that the data packet for illustrating fresh information includes are matched The length of file is put, selector_length is used to illustrate the first frequency point, the second frequency point and third frequency in the embodiment of the present invention The length of the configuration file of these three frequency points of point;Cable_delivery_system_descriptor is the configuration of a frequency point File;Private_data_byte is reserved item, extends information for carrying.
In practical applications, fresh information not only includes the configuration file of the first frequency point, the second frequency point and third frequency point, also The hardware identifier and program version of terminal hardware information can be carried to identify.Since this update relates in the embodiment of the present invention And the first program for being originally used for expression program is converted into high-definition program, but be not that the set-top box of each model can The decoding of high-definition program is completed, therefore is carried in fresh information to identify the hardware identifier of terminal hardware information, contributes to machine Top box judges whether to be updated, and improves update efficiency.It and, may since server can be by broadcast (sites) in turn fresh information Set-top box has been carried out updating when being switched on last time, this is just not necessarily to be updated when booting, therefore Program version is carried in fresh information, set-top box is contributed to judge whether to need to be updated.
Fresh information is added and is broadcasted in NIT by digital transmission signal by step 303, server, performs step 304。
In practical application, fresh information as shown in Table 2 meets NIT standards, therefore server can will be as shown in Table 2 Fresh information is added in NIT, is broadcasted by TS code stream timing cycles.
Step 304, set-top box receive the digital transmission signal of server broadcast.
When user needs to watch TV, open television set and set-top box, this set-top box receive server broadcast TS code streams including NIT, general NIT include network identifier (Network_ID), network name, transmission system parameters and The information such as indications (Service_ID) are serviced, the transmission system parameters include all frequency point configuration files, program service class Type etc..In the prior art, as long as set-top box receives TS code streams, NIT is obtained, you can extract the configuration file of all frequency points, adopt It can be according to the configuration file extracted, auto channel search with Demux (demultiplexing).
Step 305, set-top box obtain the fresh information in the digital transmission signal, perform step 306.
Specifically, due to fresh information include fresh information mark, Descriptor_tag as shown in Table 2, thus just During beginningization, fresh information mark rule can be pre-set in set-top box and server, it is exemplary, fresh information mark can be preset It is 1011 to know, and set-top box obtains NIT, then extract the information for being identified as 1011, the letter after TS code streams are received Breath is fresh information, which is data packet as shown in Table 2.Fresh information can include in embodiment when of the invention Configuration file of hardware identifier, program version and the first frequency point, the second frequency point and third frequency point etc..
Step 306, set-top box parse the fresh information, obtain hardware identifier and program version, perform step 307.
Exemplary, after fresh information is got, fresh information is to meet the data packet as shown in Table 2 of NIT standards, The fresh information can be parsed according to NIT standards, parsing obtains the Hardware_version in fresh information, as Hardware identifier;Parsing obtains the Program_version in fresh information, as program version.
Whether step 307 judges the current program version of set-top box less than the program version after the server update program This;When the program version after the current program version of set-top box is less than the server update program, step 308 is performed;When The current program version of set-top box be not less than the server update program after program version when, perform step 313.
In practical application, identical program version rule can be preset in set-top box and server in initialization, it is false Add 1 if each updated program version be the program version before updating, program version is before server update in the present embodiment 2.1, program version is 2.2 after update, when set-top box is not that server carries out program updating each time, the progress that can all synchronize Update, therefore the program version of set-top box may be larger with the program version gap of server, but as long as being set-top box and service Device is compared, and program version is relatively low, can be judged as that set-top box needs to be updated program information database.
Exemplary, set-top box, can be by the program version in fresh information after the program version in obtaining fresh information This is compared with current local program version, section after the current program version of set-top box is less than server update program During mesh version, illustrate that the program version of set-top box is relatively low, need to be updated program information database;When set-top box is current The program version that program version is identical with the program version after server update program or set-top box is current is higher than server more During program version after new program, illustrate that the program version of set-top box is higher, do not need to be updated program information database, Program can be played.
Whether step 308, the hardware information for judging set-top box match with the hardware identifier;When the hardware information of set-top box When being matched with the hardware identifier, step 309 is performed;When the hardware information of set-top box is mismatched with the hardware identifier that differs When, perform step 313.
Exemplary, there are many producer of existing production set-top box, and the set top box type of each producer's production is also very much, different The set-top box of type can complete different functions, and the set-top box of the same not all type of function can be completed.It is different The set-top box of type is distinguished by the hardware of set-top box, that is, the hardware for completing the set-top box of different function is different, each is hard The mark of part all existence anduniquess, the hardware identifier can be identification of the manufacturer or model identification, and the embodiment of the present invention is to this It does not limit.It is exemplary, it is assumed that the first set-top box can complete the modulation /demodulation of high-definition program, and the second set-top box cannot be completed The modulation /demodulation of high-definition program.
Server not only adjusts the frequency point of second program and third program in the embodiment of the present invention, while by One program is converted into high-definition program.If user uses the second set-top box, can not complete to update first segment purpose.Cause This, set-top box can obtain the hardware identifier in fresh information first, when hardware information and the hardware identifier of set-top box Timing judges that set-top box can carry out program updating;When the hardware information of set-top box is mismatched with the hardware identifier, explanation Set-top box cannot complete this program updating, that is, ignore this update, normal play program.Avoid undesirable machine top The invalid update that box carries out, has saved renewal time.
In practical application, server can also carry out program updating according to the type of set-top box, such as only for default The set-top box of producer's production carries out program updating, and the set-top box of other producers production can be different without program updating User provides personalized service.
Step 309, set-top box parse the fresh information, obtain the first frequency point, the configuration of the second frequency point and third frequency point File performs step 310.
It when set-top box judges that program version is relatively low, needs to be updated, and hardware identifier matches, and can be updated When, it can continue to parse fresh information, obtain the cable_delivery_system_descriptor in fresh information, it should Three data packets as shown in Table 1 that cable_delivery_system_descriptor includes, three data packets point Not Wei the first frequency point configuration file, the configuration file of the second frequency point and the configuration file of third frequency point.
Step 310, set-top box prompt the user whether to be updated program information database;Program is believed when user confirms When breath database is updated, step 311 is performed;When user cancels, and program information database is updated, step is performed 313。
Get the configuration file of the first frequency point, after the configuration file of the second frequency point and the configuration file of third frequency point, The program information database of set-top box can be updated, but due to 30 programs of server broadcast, this update only relates to And the update of first program, second program and third program, if user is not related to this time to the first program, second program and the The viewing of three programs, so before set-top box carries out program updating, can then user may also be prompted whether without update It needs to be updated the program information database of set-top box.
It is exemplary, when set-top box judges to need and can carry out program updating, it can show and carry on television screen Show information, which can be to prompt the user whether to need to carry out program updating, while can also wrap in the prompt message The programm name that this update is related to is included, in order to which user chooses whether to need to be updated.When user determines to need to carry out more Newly, that is, when needing to be updated the program information database of set-top box, set-top box carries out program updating;When user cancels program When update, i.e. user cancellation are updated the program information database of set-top box, set-top box normal play program.
According to the first frequency point, the configuration file of the second frequency point and third frequency point obtains update respectively for step 311, set-top box The description information of each program transmitted on first frequency point afterwards, the second frequency point and third frequency point performs step 312.
It is exemplary, after set-top box gets the configuration file of the first frequency point program, according in the configuration file frequency, The information such as modulation system and symbol rate are demodulated and search for the frequency where the first frequency point, obtain what is transmitted on the first frequency point The description information of each program.Likewise, according to information pair such as the modulation system in the configuration file of the second frequency point and symbol rates Frequency where second frequency point is demodulated and searches for, and obtains the description information of each program transmitted on the second frequency point;According to The information such as frequency, modulation system and symbol rate in the configuration file of third frequency point are demodulated the frequency where third frequency point And search, obtain the description information of each program transmitted on third frequency point.
First frequency point after step 312, set-top box will update, each program transmitted on the second frequency point and third frequency point are retouched It states information to be stored in the program information database of set-top box, performs step 313.
The program information database of set-top box includes the description information of each program of set-top box recording, and each program is retouched The information such as the frequency point of the program, decoding process can be included by stating information.The program transmitted on the first frequency point in the embodiment of the present invention Including the first program, therefore the description information of each program transmitted on the first frequency point got is described including first segment purpose Information, thus by the description information of each program transmitted on the first frequency point preserve when, you can complete programme information The update of first segment purpose description information in database.The program transmitted on same second frequency point includes second program, due to Do not include the description information of second program in the current program information database of set-top box, therefore will transmitted on the second frequency point Each program description information preserved when, while complete the preservation to the description information of second program so that machine Top box can receive the signal of the second information, and the signal is decoded;The program transmitted on third frequency point includes third section Mesh, since the frequency point of third program in the current program information database of set-top box is the second frequency point, with updated frequency point not Together, thus by the description information of each program transmitted on third frequency point preserve when, complete to third program The update of description information.
Step 313 plays program.
The program version or the program version of set-top box included higher than fresh information when the program version of set-top box with more When the program version that new information includes is identical, do not need to carry out program updating, therefore can be with normal play program.
Alternatively, when the hardware identifier that the hardware information of set-top box includes with fresh information mismatches, illustrate set-top box not This program updating can be completed, it can be with normal play program.
Alternatively, set-top box needs and can carry out program updating, but user cancels program updating, can ignore this partial node Mesh updates, normal play program.
It should be noted that the sequencing of program updating method step provided in an embodiment of the present invention can carry out suitably Adjustment, step according to circumstances can also accordingly be increased and decreased, exemplary, the elder generation of step 307 and step 308 in the embodiment of the present invention It sequentially can be interchanged afterwards, step 307, step 308 or step 310 can also be omitted in practical application.It is any to be familiar with this technology neck In the technical scope disclosed by the present invention, the method that can readily occur in variation should all cover the present invention's the technical staff in domain Within protection domain, therefore repeat no more
The embodiment of the present invention provides a kind of program updating method, and compared to the prior art, server is first according to newer Program generates fresh information and sends to set-top box, when set-top box is updated program, is updated according to fresh information , the configuration file of newer program is comprised only in fresh information, therefore terminal does not need to all sections to server broadcast Mesh scans for updating program information database, it is only necessary to and there is newer program to scan for what fresh information included, And then program information database is updated, the time that terminal carries out program updating has been saved, has promoted user experience.
The embodiment of the present invention provides a kind of terminal 40, as shown in figure 4, the terminal 40 includes:
First acquisition unit 401, for the fresh information in the digital transmission signal of server transmission, the fresh information The configuration file of at least one frequency point in the frequency point that program including the server update is related to.
Second acquisition unit 402 for the configuration file of at least one frequency point included according to the fresh information, obtains The description information of each program transmitted on each frequency point at least one frequency point, wherein, the description information of program includes The parameters needed during program described in the terminal plays.
Updating unit 403, for according to the description of each program transmitted on frequency point each at least one frequency point Information updates program information database, wherein, the program information database is retouched to store all programs of terminal record State information.
Common terminal is set-top box or the network terminal that can realize set-top box functionality, if television set and set-top box Become one machine, and terminal may be the all-in-one machine.
So, when terminal-pair program is updated, first acquisition unit obtains fresh information first, and then second The configuration file of at least one frequency point that acquiring unit includes according to the fresh information obtains every at least one frequency point The description information of each program transmitted on a frequency point, final updating unit is according on frequency point each at least one frequency point The description information of each program of transmission updates program information database, the program of server update is only included in fresh information The configuration file of at least one frequency point in involved frequency point, therefore terminal does not need to all programs progress to server broadcast It searches for update, it is only necessary to scan for the frequency point that fresh information includes, and then update program information database, save Terminal carries out the time of program updating, promotes user experience.
Optionally, the fresh information includes the program version after the server update program;Described second obtains Unit 402 is specifically used for:When the program version after the current program version of the terminal is less than the server update program, The configuration file of at least one frequency point included according to the fresh information is obtained at least one frequency point on each frequency point The description information of each program of transmission.
Optionally, the fresh information includes identifying the hardware identifier of terminal hardware information;Described second obtains Unit 402 is specifically used for:When the hardware information of the terminal is matched with the hardware identifier, included according to the fresh information At least one frequency point configuration file, obtain the description of each program transmitted on each frequency point at least one frequency point Information.
Optionally, as shown in figure 5, the terminal 40 further includes:Prompt unit 404, for prompting the user whether to program Information database is updated;The second acquisition unit 402 is specifically used for:Program information database is carried out when user confirms During update, the configuration file of at least one frequency point that is included according to the fresh information obtains every at least one frequency point The description information of each program transmitted on a frequency point.
Terminal provided in an embodiment of the present invention, the Digital Transmission for obtaining server transmission by first acquisition unit first are believed Fresh information in number, at least one frequency point in the frequency point that the program of the fresh information including the server update is related to Configuration file, the configuration file of at least one frequency point then included according to the fresh information, is obtained by second acquisition unit The description information of each program transmitted on each frequency point at least one frequency point is taken, and then by updating unit according to institute The description information of each program transmitted on each frequency point at least one frequency point is stated, updates program information database.Compared to The prior art when terminal-pair program is updated, is updated according to fresh information, and service is only included in fresh information The configuration file of at least one frequency point in frequency point involved by the newer program of device, therefore terminal is not needed to server broadcast All programs scan for updating program information database, it is only necessary to have newer program to carry out to what fresh information included Search, and then program information database is updated, the time that terminal carries out program updating has been saved, has promoted user experience.
The embodiment of the present invention provides a kind of server 60, as shown in fig. 6, the server 60 includes:
Updating unit 601, for updating at least one program.
Generation unit 602, for generating fresh information, the fresh information include the server update it is described at least The configuration file of at least one frequency point in the frequency point that one program is related to.
Transmitting element 603, for sending the fresh information to terminal.
Server provided in an embodiment of the present invention updates at least one program by updating unit;It is given birth to by generation unit Into fresh information;The fresh information is sent to terminal by transmitting element.Compared to the prior art, program is completed in server After update, generate fresh information, the configuration file of newer program only included in fresh information, in this way terminal-pair program into During row update, it is updated according to fresh information, does not need to that all programs of server broadcast are scanned for updating Program information database has saved the time that terminal carries out program updating, promotes user experience.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description, The specific work process of device and unit can refer to the corresponding process in preceding method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed method and apparatus can pass through it Its mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the unit, only Only a kind of division of logic function can have other dividing mode in actual implementation, such as multiple units or component can be tied It closes or is desirably integrated into another system or some features can be ignored or does not perform.
The unit illustrated as separating component may or may not be physically separate, be shown as unit The component shown may or may not be physical unit, you can be located at a place or can also be distributed to multiple In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme 's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also That the individual physics of each unit includes, can also two or more units integrate in a unit.It is above-mentioned integrated The form that hardware had both may be used in unit is realized, can also be realized in the form of hardware adds SFU software functional unit.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in change or replacement, should all contain Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.

Claims (4)

1. a kind of program updating method, which is characterized in that for terminal, the method includes:
The fresh information in the digital transmission signal that server is sent is obtained, the fresh information includes the server update The configuration file of at least one frequency point in the frequency point that program is related to, the frequency point not being related to including the not newer program of the server Configuration file;
Wherein, the server is sent to the terminal with the IP address according to IP address by what the fresh information oriented;
Wherein, the configuration file includes the modulation system and symbol rate of corresponding frequency point;
The configuration file of at least one frequency point included according to the fresh information obtains each frequency at least one frequency point The description information of each program transmitted on point, wherein, the description information of program includes needing during program described in the terminal plays The parameters wanted;
Wherein, the description information of the program includes the frequency of frequency point and coding mode information where corresponding program;
According to the description information of each program transmitted on frequency point each at least one frequency point, program information data is updated Library, wherein, the program information database to store terminal record all programs description information.
2. according to the method described in claim 1, it is characterized in that, the fresh information includes the server update program Program version afterwards;
The configuration file of at least one frequency point included according to the fresh information obtains every at least one frequency point The description information of each program transmitted on a frequency point includes:
When the program version after the current program version of the terminal is less than the server update program, according to the update The configuration file of at least one frequency point that information includes obtains each section transmitted on each frequency point at least one frequency point Purpose description information.
3. according to the method described in claim 1, it is characterized in that, the fresh information includes identifying terminal hardware letter The hardware identifier of breath;
The configuration file of at least one frequency point included according to the fresh information obtains every at least one frequency point The description information of each program transmitted on a frequency point includes:
When the hardware information of the terminal is matched with the hardware identifier, at least one frequency for being included according to the fresh information The configuration file of point obtains the description information of each program transmitted on each frequency point at least one frequency point.
4. according to the method described in claim 1, it is characterized in that,
In the configuration file of at least one frequency point included according to the fresh information, obtain at least one frequency point Before the description information of each program transmitted on each frequency point, the method includes:
It prompts the user whether to be updated program information database;
The configuration file of at least one frequency point included according to the fresh information obtains every at least one frequency point The description information of each program transmitted on a frequency point includes:
When user confirms, and program information database is updated, at least one frequency point for being included according to the fresh information Configuration file obtains the description information of each program transmitted on each frequency point at least one frequency point.
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