CN103327403B - Set top box upgrading method, device and system - Google Patents

Set top box upgrading method, device and system Download PDF

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Publication number
CN103327403B
CN103327403B CN201310207408.1A CN201310207408A CN103327403B CN 103327403 B CN103327403 B CN 103327403B CN 201310207408 A CN201310207408 A CN 201310207408A CN 103327403 B CN103327403 B CN 103327403B
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China
Prior art keywords
upgrading
box
file
descriptor
code stream
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CN201310207408.1A
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Chinese (zh)
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CN103327403A (en
Inventor
王道谊
卜瑞锋
朱建中
梁冬
陈威
陈欣
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河南有线电视网络集团有限公司
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Abstract

The invention discloses a kind of set top box upgrading method, device and system, the method is: import, according to consolidation form, the set top box upgrading file got and corresponding Set Top Box describes file;According to TS form, set top box upgrading file and the Set Top Box of importing are described file and be packaged, obtain and process the TS upgrading code stream of correspondence, the TS obtained upgrading code stream is uploaded in hfc plant, and generates descriptor of upgrading accordingly;Upgrading descriptor is stored in NIT table, and is uploaded to hfc plant, make the Set Top Box being positioned in hfc plant according to the upgrading descriptor in NIT table, obtain corresponding TS upgrading code stream and carry out set top box upgrading.It is uniformly processed by the above-mentioned upgrade information to Set Top Box, generate unified set top box upgrading file, using the upgrading stream needed for unified mode of broadcasting transmitter top box, thus realize and meet all kinds of different models, the Set Top Box of kind carries out the purpose upgraded.

Description

Set top box upgrading method, device and system
Technical field
The present invention relates to digital television techniques field, in particular, relate to a kind of set top box upgrading method, device and System.
Background technology
In today of digital television techniques development, for cable digital TV in the online upgrading mode of net Set Top Box There is diversified situation.Concrete reason is that loader module exists not in the Set Top Box provided by different Set Top Box manufacturers With, therefore the most conventional Loader(carries out software upgrading by cable television network) system is also by the factory of each Set Top Box Business controls the escalation process of Set Top Box.
Loader system that is concrete, that provide for different vendor in prior art, it is during upgrading, also because The difference of loader module, the requirement that front end upgrading code stream is broadcast form is the most different, and that thus causes is each The upgrading of Loader system all relies on the upgrading code stream of each Set Top Box manufacturer outfit and broadcasts server and corresponding frequency money Source.
The upgrading mode of above-mentioned Set Top Box of the prior art, can not make user owing to excessively relying on the manufacturer of Set Top Box Autonomous Control upgrading process, cause operation Set Top Box upgraded by user the most inconvenient, and varied not Unified set top box upgrading mode, is also easily caused the problem that the escalation process at each Set Top Box occurs wasting resource.
Summary of the invention
In view of this, the invention provides a kind of set top box upgrading method, device and system, to solve machine in prior art Inconvenient and the problem of the wasting of resources to operation during multiple set top box upgradings that top box upgrading mode disunity causes.
For achieving the above object, the present invention provides following technical scheme:
A kind of set top box upgrading method, including:
Obtain multiple set top box upgrading file, and describe literary composition with described set top box upgrading file Set Top Box one to one Part, and import according to unified Loader form;
According to transport stream TS form, each described set top box upgrading file and the Set Top Box of importing are described file and seal Dress, obtains corresponding TS upgrading code stream, via multiplexer, the TS got upgrading code stream is uploaded to hybrid fiber/ coax, HFC In hfc plant, and generate the upgrading descriptor that each TS upgrading code stream is corresponding, wherein, described upgrading descriptor comprises and it The mark of corresponding described TS upgrading code stream;
Each described upgrading descriptor is stored in network information table;
Described network information table is uploaded in described hfc plant by multiplexer, makes the machine being positioned in described hfc plant Top box, according to the upgrading descriptor in described network information table, obtains corresponding TS upgrading code stream and carries out set top box upgrading.
Preferably, when importing set top box upgrading file and describing file with corresponding described Set Top Box:
The file designation that described set top box upgrading file describes file with corresponding described Set Top Box is identical;
Wherein, described set top box upgrading file uses BIN file format, and described Set Top Box describes file and uses xml document Form.
Preferably, also include:
Described network information table divides according to zones of different mark or local mark, preserves in described network information table There is the information of set top box type;
When being stored in described network information table by the upgrading descriptor of generation, there is the institute of identical set top box type State and network information table stores upgrading descriptor information that corresponding described set top box type generates respectively.
Accordingly, the invention also discloses a kind of set top box upgrading fore device, including:
File imports server, is used for obtaining multiple set top box upgrading file, and with described set top box upgrading file one The Set Top Box of one correspondence describes information, and is directed into Loader system according to consolidation form, and wherein, described Loader system is machine Top box carries out the system of software upgrading via cable television network;
Loader system, for foundation transport stream TS form each described set top box upgrading file and Set Top Box to importing Description information is packaged, and obtains corresponding TS upgrading code stream, is uploaded to mix via multiplexer by the TS got upgrading code stream Closing in optical fibre-coaxial cable hfc plant, and generate the upgrading descriptor that each TS upgrading code stream is corresponding, wherein, described upgrading is retouched State the mark comprising corresponding described TS upgrading code stream in symbol;
EPG server, for being stored in each upgrading descriptor in network information table, and by described Network information table is uploaded in described hfc plant by multiplexer, makes the Set Top Box being positioned in described network according to described network Upgrading descriptor in information table, obtains corresponding TS upgrading code stream and carries out set top box upgrading.
Preferably, also include: server is set up in the region being arranged in described EPG server;
Server is set up in described region, for dividing network information table according to zones of different mark or local mark, described Network information table is preserved the information of set top box type in current region.
Accordingly, the invention also discloses a kind of set top box upgrading method, including:
Each upgrading descriptor in network information table in monitoring network;
When monitoring the described upgrading descriptor attribute with local top box and matching, determine that current set top box is for waiting to rise Level Set Top Box;
TS upgrading code stream corresponding in described hfc plant is determined according to described upgrading descriptor;
Analyze the Program Map Table in described TS upgrading code stream, obtain and preserve described TS upgrading code stream at described HFC net Location parameter in network;
Start upgrading, from described network, download described TS according to the ID of the upgrading data packet comprised in described location parameter Upgrading code stream carries out set top box upgrading.
Preferably, each upgrading monitored in the network information table in described hybrid fiber/ coax, HFC hfc plant describes Symbol, and determine that the process that current set top box is Set Top Box to be upgraded includes:
Monitor the upgrading descriptor in the network information table in described hfc plant;
Obtaining upgrade information in described upgrading descriptor, described upgrade information includes: Set Top Box vendor code, hardware version This, software version, control bit and serial number initial value and end value;
Corresponding network machine top box serial number STB ID, smart card numbers, DTV use is read according to described serial number Family number, condition reception type and middleware of set top box type;
Mate with local top box attribute one by one, upon a match, determine that current set top box, in the range of upgrading, determines For Set Top Box to be upgraded.
Preferably, described upgrading is started, according to the ID of the upgrading data packet comprised in described location parameter from described HFC net Network is downloaded described TS upgrading code stream carry out the process of set top box upgrading and include:
Start upgrading, from described network, download described TS according to the ID of the upgrading data packet comprised in described location parameter Upgrading code stream;
Decompress described TS upgrading code stream, and utilize in the Hash MD5_hash function set top box upgrading file to obtaining Upgrading data calculate, and obtain data summarization and data to be upgraded;
When described data summarization is identical with Set Top Box local data summary, store described data to be upgraded, and according to institute State data to be upgraded and carry out set top box upgrading.
Accordingly, the invention also discloses a kind of Set Top Box, including:
Monitoring means, retouches for each upgrading monitored in the network information table in hybrid fiber/ coax, HFC hfc plant State symbol;
Judging unit, for when monitoring the described upgrading descriptor attribute with local top box and matching, determining and work as Front Set Top Box is Set Top Box to be upgraded;;
Search unit, for determining TS upgrading code stream corresponding in described hfc plant according to described upgrading descriptor;
Analytic unit, for analyzing the Program Map Table in described TS upgrading code stream, obtains and preserves described TS upgrading code Stream location parameter in hfc plant;
Download upgrade unit, when being used for starting upgrading, according to the upgrading data packet comprised in described location parameter ID from Described network is downloaded described TS upgrading code stream and carries out set top box upgrading.
Accordingly, the invention also discloses a kind of set top box upgrading system, it is characterised in that including: machine as above Top box upgrading fore device, and carry out, by hfc plant and described set top box upgrading fore device, the as above institute that information is mutual The Set Top Box stated.
Understand via above-mentioned technical scheme, compared with prior art, the invention discloses a kind of set top box upgrading method, Device and system.By many NIT table of Loader system and EPG server is combined, to all types of set top box upgrading letters Breath carries out being uniformly processed of form so that set-top box software release format is unified, makes the description literary composition that set top box upgrading software is corresponding Part uniform format, and use the import format of unified upgrading software, with unified form of broadcasting, and unified multiplexer and The coffret of HFC, thus ensure can unify the flow process of set top box upgrading in the escalation process of Set Top Box, it is achieved avoid each Individual Set Top Box is individually carried out to equipment in escalation process, and the purpose of data resource waste.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to The accompanying drawing provided obtains other accompanying drawing.
Fig. 1 is the flow chart of a kind of set top box upgrading method disclosed in the embodiment of the present invention one;
Fig. 2 is the structural representation of the packing of the TS upgrading code stream disclosed in the embodiment of the present invention one;
Fig. 3 is the flow chart of a kind of set top box upgrading method disclosed in the embodiment of the present invention two;
Fig. 4 is the flow chart of a kind of set top box upgrading method disclosed in the embodiment of the present invention three;
Fig. 5 is the partial process view in a kind of set top box upgrading method disclosed in the embodiment of the present invention three;
Fig. 6 is the partial process view in a kind of set top box upgrading method disclosed in the embodiment of the present invention three;
Fig. 7 is the structural representation of a kind of set top box upgrading front end disclosed in the embodiment of the present invention four;
Fig. 8 is the structural representation of another kind of set top box upgrading fore device disclosed in the embodiment of the present invention four;
Fig. 9 is the structural representation of a kind of Set Top Box disclosed in the embodiment of the present invention five;
Figure 10 is the structural representation of a kind of set top box upgrading system disclosed in the embodiment of the present invention six.
Detailed description of the invention
For the sake of quoting and understanding, the explanation of the technical term being used below, write a Chinese character in simplified form or abridge and be summarized as follows:
Loader system: Set Top Box carries out the system of software upgrading by cable television network;
BIN: binary file, its purposes, depending on system or application, is set top box upgrading literary composition in embodiments of the present invention Part, is a kind of compressed package, wherein comprises binary bin file;
Xml:extensible markup language, extensible markup language, make it have for labelling e-file There is structural markup language;
TS:Transport Stream, transmission stream, is the communication of a kind of audio for data television, image and data Agreement;
DII:Download Infor Indication, downloads instruction;
DDB:Download Data Block, downloading data block;
EPG:Electronic Program Guide, electric program menu, EPG server is a door of DTV Family system, index and the navigation of the miscellaneous service that DTV is provided all are completed by EPG server;
NIT:Network Information Table, network information table, it can store multiple machine top in this application The upgrading descriptor of box;
PMT:Program Map Table, Program Map Table, for a kind of information in TS upgrading code stream;
DSM-CC:Digital Storage Media-Command and Control, digital storage media-order and Control;
Pid:Packet Identifier, for the address ID of bag in TS upgrading code stream;
HFC:Hybrid Fiber-Coaxial, hybrid fiber coax;
OUI:Organizationally unique identifier, organization unique identifier, is machine in this application The unique identifier of top box manufacturer;
TVN:Digital TV Subscriber Number, digital cable customers number, is the one of operator definition user Plant service number, be similar to telecom operators to user-defined cell-phone number;
CA:Conditional Access condition reception, is a kind of program encryption means, and user only has key ability Untie ciphered program normally to watch.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise Embodiment, broadly falls into the scope of protection of the invention.
From background technology, during Set Top Box is upgraded by currently existing technology, all by supply Set Top Box Manufacturer complete, owing to excessively relying on the operation inconvenience that the manufacturer of Set Top Box causes user to upgrade Set Top Box, and And varied skimble-scamble set top box upgrading mode, also it is easily caused the escalation process at each Set Top Box and waste resource occurs Problem.Therefore, the following embodiment of the present invention discloses a kind of set top box upgrading method, device and system.By from machine top Obtaining the upgrade information of respective Set Top Box at box manufacturer, unification processes, and generates unified set top box upgrading file, uses system Upgrading stream needed for mode of the broadcasting transmitter top box of, thus realize and meet all kinds of different models, the Set Top Box of kind Upgrade.Detailed process and structure are described in detail by following example.
Embodiment one
During carrying out set top box upgrading, use set top box upgrading fore device to the file needed for set top box upgrading It is uniformly processed etc. various information, generates unified set top box upgrading file, and use unified mode to broadcast hfc plant In, make the Set Top Box to be upgraded being positioned in hfc plant obtain stream of upgrading accordingly, to realize and to meet each in hfc plant The Set Top Box of class different model and kind is upgraded.As it is shown in figure 1, disclosed in the embodiment of the present invention one set top box upgrading side The flow chart of method, mainly comprises the steps that
Step S101: obtain multiple set top box upgrading file, and with described set top box upgrading file machine one to one Top box describes file, and imports according to unified Loader form.
In step S101, import server by the file in set top box upgrading fore device and import multiple Set Top Box liters Level file, this set top box upgrading file is provided by each Set Top Box manufacturer.The most simultaneously by upper during importing State Set Top Box corresponding to each set top box upgrading file to describe file and import.
It should be noted that Set Top Box describes file for importing the descriptive information that set top box upgrading file provides indispensable. When importing the set top box upgrading file that Set Top Box manufacturer provides, provide this Set Top Box to describe file simultaneously, be identified as to facilitate Purpose, in addition to the suffix name that set top box upgrading file and Set Top Box describe file, this set top box upgrading file and corresponding machine The file designation that top box describes file is identical.Enough information is included for providing owing to Set Top Box describes in the title of file Basic distinctive information, describes file for distinguishing each Set Top Box corresponding to set top box upgrading file, therefore, is leading When entering to operate, can automatically search correspondence under this physical pathway (same file title) according to selected set top box upgrading file Set Top Box describes file, thus realizes Set Top Box and describe being automatically imported of information in file.
Wherein, this set top box upgrading file uses BIN file format, and Set Top Box describes file and uses xml document form, system One definition.During importing, then the specification of loader is used to carry out unified importing.
Can be to obtain at Set Top Box manufacturer before operator for above-mentioned set top box upgrading file, it is also possible to be to need Obtain at Set Top Box manufacturer when importing.By this process, for the escalation process of Set Top Box, first it is no longer influenced by The restriction of Set Top Box manufacturer, but after being obtained set top box upgrading file by operator, unification processes, by operator Realize the unified escalation process to set top box upgrading to be upgraded.
In the importing process performing step S101, above-mentioned set top box upgrading file and corresponding Set Top Box are retouched State file, be directed in the Loader system in set top box upgrading fore device according to above-mentioned unified Loader specification.
It should be noted that after the information in Set Top Box describes file is imported into, be saved in upgrade file data base In, can as in upgrade file data base data description content in case follow-up carry out software upgrading playing and scheduling time use, Or carried out every management operation by file importing server.This Set Top Box describes file and can delete or deposit separately after storing Shelves backup.
Step 102, describes literary composition according to transport stream TS form to each described set top box upgrading file and the Set Top Box of importing Part is packaged, and obtains corresponding TS upgrading code stream, and via multiplexer, the TS got upgrading code stream is uploaded to hfc plant In, and generate the upgrading descriptor that each TS upgrading code stream is corresponding, wherein, described upgrading descriptor comprises corresponding institute State the mark of TS upgrading code stream.
During performing step S101, the private formatted set top box upgrading file type that Set Top Box manufacturer is provided The unified file for BIN form, during performing step S102, by the Loader system in set top box upgrading fore device System, meets each set top box upgrading file of unified Loader specification according to TS form and Set Top Box describes information importing It is packaged, thus obtains each set top box upgrading file and Set Top Box describes the TS corresponding to information and upgrades code stream.
Above-mentioned different BIN files are packed respectively or are packaged into TS upgrade code stream, concrete packing or encapsulating structure are such as Shown in Fig. 2, from PMT, obtain the location parameter of relevant download pid(upgrading code stream, the i.e. ID of bag in code stream) and phase The table id address of the Program Map Table answered, according to DSM-CC data carousel, uses two kinds of tables of DII and DDB to carry out.In Fig. 2 DII table be made up of multiple DDB tables.
After the TS upgrading code stream obtaining TS form, by multiplexer, the upgrading of each corresponding TS upgrading code stream is described Symbol is uploaded in hfc plant.
By the process of above-mentioned steps S102, file can be described for all kinds of set top box upgrading file imported and Set Top Box Being packaged according to unified TS form, make various set top box upgrading file and Set Top Box describe the uniform format of file, this is pressed Describing file according to the set top box upgrading file after the encapsulation of TS form and Set Top Box is TS upgrading code stream.I.e. by performing step S102 Acquisition each set top box upgrading file corresponding and Set Top Box describe the unified TS upgrading code stream of information.
Step S103, each described upgrading descriptor is stored in network information table NIT.
During performing step S103, the Loader in set top box upgrading fore device generating upgrading descriptor After, more described upgrading descriptor is imported EPG server, and by described EPG server, each described upgrading descriptor is stored In network information table NIT.
It should be noted that the link that upgrading descriptor is downloaded as upgrading describes, enter in hfc plant for operator The software download more new logo of the one or more Set Top Boxes of row, say, that it can be directly used as software download more new logo makes With, it is placed in first descriptor circulation of NIT table, and repeatable appearance.
Due to, the upgrading that each upgrading descriptor points to only encapsulation has the set top box upgrading of the Set Top Box of same attribute Program, therefore, the OUI in this upgrading descriptor circulates only one of which, is i.e. 1 to the maximum.It should be noted that in NIT table one Individual upgrading descriptor correspondence describes the Set Top Box with same alike result.
Include, in the upgrading descriptor stored in this NIT table, the link downloaded for upgrading to describe, to describe HFC net Set top box upgrading file in network, i.e. encapsulation after TS upgrading code stream broadcast position.
Step S104, is uploaded to described network information NIT table in described hfc plant by multiplexer, makes to be positioned at described Set Top Box in hfc plant, according to the upgrading descriptor in described NIT table, obtains corresponding TS upgrading code stream and carries out Set Top Box liter Level.
After EPG generation includes the NIT table of upgrading descriptor, perform step S104, the described NIT table obtained is led to Cross multiplexer to be uploaded in hfc plant.
After this NIT table is uploaded to hfc plant, by the Set Top Box to be upgraded being positioned in this hfc plant according to NIT table In upgrading descriptor, obtain corresponding TS upgrading code stream and carry out corresponding set top box upgrading.
Concrete, during upgrading, the Set Top Box to be upgraded being positioned in hfc plant, it is possible to obtain upgrading successively Descriptor, and, this upgrading descriptor comprises the mark of corresponding TS upgrading code stream, it is then determined that this upgrading descriptor Whether mate with Set Top Box the most to be upgraded, in the case of matching, then from hfc plant, obtain this upgrading descriptor pair The TS upgrading code stream answered, makes this Set Top Box carry out corresponding set top box upgrading according to this TS upgrading code stream.
This embodiment of the invention one utilizes set top box upgrading fore device by above-mentioned, Loader system and EPG is serviced Many NIT table of device combines, and all types of set top box upgrading information is carried out being uniformly processed of form so that set-top box software version This uniform format, makes the description file format that set top box upgrading software is corresponding unified, and uses the importing of unified upgrading software Form, with unified form of broadcasting, and unified multiplexer and the coffret of HFC, thus ensure the upgrading at Set Top Box Journey can be unified the flow process of set top box upgrading, it is achieved avoid each Set Top Box individually to carry out in escalation process equipment, and The purpose of data resource waste.
Embodiment two
Based on set top box upgrading method a kind of disclosed in the invention described above embodiment one, the embodiment of the present invention two is basic at this On disclose another kind of set top box upgrading method, idiographic flow is as it is shown on figure 3, mainly comprise the steps that
Step S201, imports multiple set top box upgrading file, and with described set top box upgrading file machine one to one Top box describes file.
Step S202, describes file according to TS form carry out each described set top box upgrading file and the Set Top Box of importing Encapsulation, obtains corresponding TS upgrading code stream, is uploaded in hfc plant via multiplexer by the described TS got upgrading code stream, And generate each TS upgrading upgrading descriptor corresponding to code stream, wherein, described upgrading descriptor comprise corresponding described The mark of TS upgrading code stream.
Above-mentioned steps S201 and step S202 concrete perform process and step S101 disclosed in above-described embodiment one and Step S102 is identical, can be cross-referenced, is not discussed here.
Step S203, is stored in each described upgrading descriptor in network information NIT table, and this NIT table is according to not same district Domain identifier or local mark divide.
During performing step S203, the place different from step S103 disclosed in above-described embodiment one exists In, in step S203 disclosed in the embodiment of the present invention two, NIT table divides according to zones of different or place, should The concrete dividing mode of NIT table can use area identification or local mark to make a distinction and divide.It is to say, in EGP institute Each NIT table correspondence one region of storage existed or the set top box information in place, i.e. preserve the Set Top Box in this region or place The information of type.
Step S204, is uploaded to described network information table in described hfc plant by multiplexer, makes to be positioned at described HFC Set Top Box in network, according to the upgrading descriptor in described NIT table, obtains corresponding TS upgrading code stream and carries out set top box upgrading.
The concrete execution process of this step S204 is identical with step S104 disclosed in above-described embodiment one, the most no longer enters Row repeats.
Set top box upgrading method disclosed in this embodiment of the invention two, also with set top box upgrading fore device, Many NIT table of Loader system and EPG server is combined, all types of set top box upgrading information is carried out the unification of form Process so that set-top box software release format is unified, make the description file format that set top box upgrading software is corresponding unified, and use The import format of unified upgrading software, with unified form of broadcasting, and unified multiplexer and the coffret of HFC, thus Ensure can unify the flow process of set top box upgrading in the escalation process of Set Top Box, it is achieved avoid each Set Top Box individually to rise To equipment during Ji, and the purpose of data resource waste.
Further, the EPG server in the embodiment of the present invention two utilizes the mark of zones of different or local mark to divide NIT table, by correspondence zones of different, or the upgrading descriptor information that the set top box type of ground cities and counties generates is stored in respective regions NIT table in, thus realize carrying out, according to Region control Set Top Box, the purpose upgraded.
It should be noted that divide during NIT table at EPG server, except can be from the administrative region of ground cities and counties On divide beyond, it is also possible to specific to street or community.It is to say, can require NIT is contained according to concrete application The region of lid carries out finer division.
Embodiment three
Based on set top box upgrading method a kind of disclosed in the invention described above embodiment one and embodiment two, it utilizes Set Top Box Upgrading fore device carries out unified process and management to the upgrade file of all types of Set Top Boxes, and uses the unified side of broadcasting Formula will be uniformly processed after set top box upgrading needed for information send in hfc plant, the Set Top Box being positioned in hfc plant exist Determine in the case of matching with the information existence in hfc plant, from hfc plant, obtain the TS upgrading code stream of correspondence, make this Set Top Box carries out corresponding set top box upgrading according to this TS upgrading code stream.By Set Top Box as the upgrading performed by executive agent Journey as shown in Figure 4, mainly comprises the steps that
Step S301, each upgrading in NIT table in each Set Top Box being positioned in hfc plant monitoring network describes Symbol.
Step S302, it is judged that the described upgrading descriptor monitored, if match with the attribute of local top box, if Coupling, it is determined that current set top box, within the scope of upgrading, performs step S303, if it is not, then continue executing with step S301.
Perform, in the escalation process of above-described embodiment one or embodiment two, to be uploaded in hfc plant by NIT table, this NIT table Middle storage has the upgrading descriptor relevant to set top box upgrading.When performing step S301, by each machine being positioned in hfc plant Top box receives the NIT table in hfc plant by dominant frequency point, and each upgrading descriptor in the NIT table in network is carried out reality Time monitoring.
During monitoring, each Set Top Box each performs respective judgement, as a example by a Set Top Box, when it performs After step S301 monitors the upgrading descriptor in the NIT table being present in network in real time, perform step S302, it is judged that it is monitored To described upgrading descriptor whether attribute with its local top box Set Top Box match.
It should be noted that above-mentioned Set Top Box is when monitoring the NIT table in network, mainly at set-top-box opening, standby Recover and realization in the case of manual search three kinds.
Step S303, when monitoring the described upgrading descriptor attribute with local top box and matching, determines current machine Top box is Set Top Box to be upgraded.
Step S304, determines TS upgrading code stream corresponding in described hfc plant according to described upgrading descriptor.
When performing step S304, owing to this upgrading descriptor is corresponding with the TS upgrading code stream in hfc plant, and described liter Level descriptor comprises the mark of TS upgrading code stream corresponding thereto, therefore, is performing during step S303, determining and work as After front Set Top Box to be upgraded, determine the TS upgrading code stream being positioned in hfc plant according to the upgrading descriptor of coupling.
Step S305, analyzes the pmt table in described TS upgrading code stream, obtains and preserve described TS upgrading code stream described Location parameter pid in hfc plant.
In step S305, the process being analyzed the TS upgrading code stream got, concrete analysis is PMT therein Table, thus obtain and preserve this TS upgrading code stream location parameter pid in hfc plant.
Step S306, starts upgrading, according to the ID of the upgrading data packet comprised in described location parameter pid from described HFC Network is downloaded described TS upgrading code stream and is carried out set top box upgrading.
Performing step S306 makes this Set Top Box to be upgraded start upgrading, and according to performing the position that step S304 gets The ID of the upgrading data packet comprised in parameter downloads TS upgrading code stream from hfc plant, thus realizes the upgrading of Set Top Box.
During execution above-mentioned steps S301 to step S306, by monitoring in the upgrading descriptor in NIT table Upgrading descriptor, judging that the Set Top Box that is currently monitored meets after upgrading requires, locking receives the dominant frequency of NIT table Point, analyzes pmt table, obtains and preserve TS upgrading code stream location parameter pid etc. in hfc plant.Then, upgrading is being started After, to corresponding frequency, download corresponding TS upgrading code stream and carry out set top box upgrading.
By the set top box upgrading method disclosed in the invention described above embodiment three, by Set Top Box monitoring hfc plant Upgrading descriptor in NIT table, upgrading descriptor and the Set Top Box the most to be upgraded comprised in judging this upgrading descriptor Attribute when matching, in the case of matching, then from hfc plant, obtain TS corresponding to this upgrading descriptor upgrade code Stream, thus realize making this Set Top Box carry out the purpose of corresponding set top box upgrading according to this TS upgrading code stream.
Based on the set top box upgrading method disclosed in the invention described above embodiment three, performing above-mentioned steps S301 and step The detailed process of S302 is as it is shown in figure 5, mainly comprise the steps that
Step S3011, monitors the upgrading descriptor in the NIT table in described hfc plant.
Step S3012, obtains the upgrade information in described upgrading descriptor, and described upgrade information includes: Set Top Box manufacturer Code OUI, hardware version, software version, control bit and serial number initial value and end value.
Step S3013, reads corresponding network machine top box serial number (STB ID), smart card numbers according to described serial number (Card ID), digital cable customers number (TVN), condition reception type (CN) and middleware of set top box type.
Step S3014, by above-mentioned STB ID, Card ID, TVN, CA and the middleware of set top box type got one by one with Local top box attribute mates, upon a match, determine current set top box upgrading in the range of, for Set Top Box to be upgraded.
Set Top Box can perform above-mentioned steps S3011 in the case of any one of start, standby recovery or manual search Process to step S3014.By receiving the NIT table in hfc plant according to dominant frequency point, by what monitoring NIT table was stored Upgrading descriptor, obtains the upgrade information in upgrading descriptor.This upgrade information includes OUI, hardware version, software version, Control bit and serial number initial value and end value, read in the corresponding STB ID of serial number, Card ID, TVN, CA and Set Top Box Between part type match with local top box attribute one by one, if matching, then illustrate that the Set Top Box currently carrying out mating belongs to fortune Battalion discusses in the range of stroke upgrading, can continue executing with following escalation process.
Equally, in the open set top box upgrading method of the invention described above embodiment three, the detailed process of step S306 such as Fig. 6 Shown in, mainly comprise the steps that
Step S3061, starts upgrading, according to the ID of the upgrading data packet comprised in described location parameter from described HFC net Network is downloaded described TS upgrading code stream.
Step S3062, decompresses described TS upgrading code stream, and utilizes the Hash MD5_hash function Set Top Box liter to obtaining Upgrading data in level file calculate, and obtain data summarization and data to be upgraded.
Step S3063, it is judged that described data summarization is the most identical with Set Top Box local data summary, if identical, then holds Row step S3064, if it is not the same, then stop upgrading.
Step S3064, stores described data to be upgraded, and carries out set top box upgrading according to described data to be upgraded.
During execution step S3061 to step S3064, use the Hash MD5_hash function Set Top Box to obtaining Upgrading data in upgrade file verify.The process of verification is: utilize MD5_hash function that upgrading data are carried out computing Obtain the data summarization of 16 bytes, and data to be upgraded.Same, utilize Hash MD5_hash function to local top Box carries out computing, the data summarization of 16 bytes obtained code stream if the data summarization obtained and the above-mentioned TS from decompression upgrade Unanimously, then confirm that the data to be upgraded in this TS upgrading code stream are legal, thus these data to be upgraded can be stored to flash, In case used by follow-up local set top box upgrading;If it is different, the most do not update flash, and stop the upgrading to local top box.
It should be noted that during above-mentioned Set Top Box is upgraded, when hfc plant sends with Set Top Box liter When arbitrary parameter in the information that level is relevant can not meet the requirement of above-mentioned set top box upgrading, Set Top Box will not show renewal prompting Information, also cannot participate in and upgrades.
By the set top box upgrading method disclosed in the invention described above embodiment three, based on unified set-top box software version Number format, unifies the software upgrading descriptor information that set top box upgrading file is corresponding, unifies the import format of upgrading software, broadcasts Go out form, coffret, and unified Set Top Box monitors process and promotion condition.Thus ensure the escalation process at Set Top Box In can unify the flow process of set top box upgrading, it is achieved avoid each Set Top Box individually to carry out in escalation process equipment, and number Purpose according to the wasting of resources.
Further, machine top is carried out according to several ways such as STB ID, Card ID, TVN, middleware type and CA types Kit upgrading scope determines and controls, and determination based on many aspects achieves during updating set-top box software end to end Safety upgrade.
Further, setting up NIT table in conjunction with distinguishable region in above-described embodiment two, this embodiment of the invention can also be real Existing region rises class control process.
Embodiment four
Based on set top box upgrading method disclosed in the invention described above embodiment one, the present invention also correspondence discloses a kind of corresponding Its set top box upgrading fore device, its concrete structure is as it is shown in fig. 7, specifically include that file imports server 101, Loader System 102 and EPG server 103.
File imports server 101, is used for obtaining multiple set top box upgrading file, and with described set top box upgrading file Set Top Box describes information one to one, and according to consolidation form, described set top box upgrading file and Set Top Box is described information and lead Enter to Loader system 102.
Wherein, described Loader system 102 is that Set Top Box carries out the system of software upgrading via cable television network.
Loader system 102, for foundation transport stream TS form each described set top box upgrading file and machine to importing Top box describes information and is packaged, and obtains corresponding TS upgrading code stream, is uploaded via multiplexer 3 by the TS got upgrading code stream To hybrid fiber/ coax, HFC hfc plant 4, and generate the upgrading descriptor that each TS upgrading code stream is corresponding.
Wherein, described upgrading descriptor comprises the mark of corresponding described TS upgrading code stream.
It should be noted that this set top box upgrading file is identical with the file designation that corresponding Set Top Box describes file;Its In, this set top box upgrading file uses BIN file format, and Set Top Box describes file and uses xml document form.
EPG server 103, for being stored in described upgrading descriptor in network information table, and by the described network information Table is uploaded in described hybrid fiber/ coax, HFC hfc plant by multiplexer 104, makes the machine top being positioned in described hfc plant Box, according to the upgrading descriptor in described network information table, obtains corresponding TS upgrading code stream and carries out set top box upgrading.
File disclosed above imports specifically performing of server 101, Loader system 102 and EPG server 103 Journey, with the invention described above embodiment one disclosed in method consistent, be not discussed here, can be referring specifically to described above.
During carrying out set top box upgrading, on the basis of the set top box upgrading fore device disclosed in above-mentioned Fig. 7, The embodiment of the present invention four also discloses a kind of set top box upgrading fore device, as shown in Figure 8, at Set Top Box liter illustrated in fig. 7 On the basis of level fore device, it is provided with region in this EPG server 103 and sets up server 104.
Server 104 is set up in this region, for setting up corresponding NIT table, institute according to zones of different mark or local mark State the information of the set top box type preserved in NIT table in current region, thus realize according to zones of different mark or local mark Know the division to NIT table.
This region set up the ultimate principle of server 104 and execution process with disclosed in the invention described above embodiment two Step S203 is identical, is not discussed here, can be cross-referenced.
Set top box upgrading fore device disclosed in this embodiment of the invention four, imports server 101 He by file Loader system 102 carries out being uniformly processed of form to all types of set top box upgrading information so that set-top box software version lattice Formula is unified, makes the description file format that set top box upgrading software is corresponding unified, and uses the import format of unified upgrading software, Utilize the unified form of broadcasting of EPG server 103, and unified multiplexer 3 and the coffret of hfc plant 4, thus ensure The escalation process of Set Top Box can be unified the flow process of set top box upgrading, it is achieved avoid each Set Top Box individually to carry out escalation process In to equipment, and the purpose of data resource waste.
Further, server is set up by the region in the disclosed EPG server 103 in the embodiment of the present invention four 104, utilize the mark of zones of different or local mark to divide NIT table, by correspondence zones of different, or the Set Top Box class of ground cities and counties The upgrading descriptor that type generates is stored in the NIT table of respective regions, thus realizes upgrading according to Region control Set Top Box Purpose.
Embodiment five
Based on set top box upgrading method a kind of disclosed in the invention described above embodiment three, the present invention further simultaneously discloses one The Set Top Box of corresponding the method, its primary structure is as it is shown in figure 9, specifically include that monitoring means 201, it is judged that unit 202, searches Unit 203, analytic unit 204 and download upgrade unit 205.
Monitoring means 201, rises for each monitored in the network information table in hybrid fiber/ coax, HFC hfc plant 4 Level descriptor.
Judging unit 202, for when monitoring the described upgrading descriptor attribute with local top box and matching, determining Current set top box is Set Top Box to be upgraded.
Search unit 203, for determining TS upgrading code stream corresponding in described hfc plant according to described upgrading descriptor.
Analytic unit 204, for analyzing the program map pmt table in described TS upgrading code stream, obtains and preserves described TS Upgrading code stream location parameter pid in hfc plant.
Download upgrade unit 205, when being used for starting upgrading, according to the upgrading data packet comprised in described location parameter pid ID download from described hfc plant 4 described TS upgrading code stream carry out set top box upgrading.
Monitoring means 201 disclosed above, it is judged that unit 202, searches unit 203, analytic unit 204 and download upgrading single Unit 205 the process that specifically performs, with the invention described above embodiment three disclosed in method consistent, be not discussed here, can have Body sees described above.
By Set Top Box disclosed in above-described embodiment five, compile based on the satisfactory unified set-top box software version of monitoring Number form, the software upgrading descriptor that unified set top box upgrading file is corresponding, use unified promotion condition, thus ensure at machine The escalation process of top box can be unified the flow process of set top box upgrading, it is achieved avoid each Set Top Box individually to carry out in escalation process To equipment, and the purpose of data resource waste.
Further, machine top is carried out according to several ways such as STB ID, Card ID, TVN, middleware type and CA types Kit upgrading scope determines and controls, and determination based on many aspects achieves during updating set-top box software end to end Safety upgrade.
Embodiment six
Based on set top box upgrading fore device disclosed in the invention described above embodiment four and a kind of disclosed in embodiment five Set Top Box, the invention also discloses a kind of set top box upgrading system, and this set top box upgrading system is mainly by above-described embodiment four Any one in disclosed two kinds of set top box upgrading fore devices, and the Set Top Box disclosed in embodiment five, and relate to two Multiplexer 3 and hfc plant 4 that between person, data exchange, or data communication, or information are mutual are constituted, and specifically can be found in figure 10.Set top box upgrading fore device in this set top box upgrading system shown in accompanying drawing 10 is in embodiment four shown by accompanying drawing 7 Set top box upgrading fore device 1.
Based on the system shown in this Figure 10, during carrying out set top box upgrading, by set top box upgrading front end 1 to according to The set top box upgrading file that unified Loader specification imports, and its Set Top Box corresponding describes file and carries out unified encapsulation Or packing, the form making private formatted set top box upgrading file that each Set Top Box manufacturer provides and Set Top Box describe file is united One, then utilize unified mode to process the TS upgrading code stream after obtaining encapsulation, and generate corresponding liter by TS upgrading code stream Level descriptor, and described upgrading descriptor is stored in NIT table, use unified mode of broadcasting by above-mentioned TS liter the most again Level code stream and NIT table are uploaded in hfc plant 4 by multiplexer 3.
Set Top Box 2 as shown in Figure 9, figure 10 illustrates multiple Set Top Box 2, and the monitoring of each Set Top Box 2 is positioned at hfc plant Each upgrading descriptor in the NIT table of 4, and judge whether the described upgrading descriptor monitored has and local top box genus Property the upgrading descriptor that matches, if it does, then determine that current Set Top Box 2 is within the scope of upgrading.To be upgraded determining Set Top Box 2 after, determine in hfc plant 4 that corresponding TS upgrades code stream, analyzes this TS liter according to the upgrading descriptor monitored Pmt table in level code stream, obtains and preserves this TS upgrading code stream location parameter pid in hfc plant 4, starting upgrading After, according to the ID of the upgrading data packet comprised in this pid, from hfc plant 4, download the TS of correspondence upgrade code stream, and pass through into The judgement of the data summarization of one step, be determined for compliance with upgrading require after, according to decompress TS upgrading code stream in be upgraded Data carry out the upgrading of Set Top Box 2.
It should be noted that the set top box upgrading fore device 1 shown in above-mentioned accompanying drawing 10 can be the machine top shown in Fig. 8 Kit upgrading fore device.
In sum, during carrying out set top box upgrading, employing is uniformly processed, and generates the Set Top Box liter of consolidation form Level file, uses the upgrading stream needed for unified mode of broadcasting transmitter top box, thus realizes and meet all kinds of different models, The Set Top Box of kind is upgraded, it is achieved avoid each Set Top Box individually to carry out in escalation process equipment, and data resource The purpose of waste.
Further, EPG server utilizes the mark of zones of different or local mark to divide NIT table, by correspondence not same district Territory, or the upgrading descriptor information that the set top box type of ground cities and counties generates is stored in the NIT table of respective regions, thus realizes The purpose upgraded is carried out according to Region control Set Top Box.
Further, carry out set top box upgrading scope in various ways and determine and control, and based on many aspects really Surely the end-by-end security upgrading during updating set-top box software is achieved.
In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is and other The difference of embodiment, between each embodiment, identical similar portion sees mutually.For device disclosed in embodiment For, owing to it corresponds to the method disclosed in Example, so describe is fairly simple, relevant part sees method part and says Bright.
The method described in conjunction with the embodiments described herein or the step of algorithm can direct hardware, processor be held The software module of row, or the combination of the two implements.Software module can be placed in random access memory (RAM), internal memory, read-only deposit Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, depositor, hard disk, moveable magnetic disc, CD-ROM or technology In any other form of storage medium well known in field.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention. Multiple amendment to these embodiments will be apparent from for those skilled in the art, as defined herein General Principle can realize without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention It is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty phase one The widest scope caused.

Claims (9)

1. a set top box upgrading method, it is characterised in that including:
Obtain multiple set top box upgrading file, and describe file with described set top box upgrading file Set Top Box one to one, And import according to unified Loader form;
According to transport stream TS form, each described set top box upgrading file and the Set Top Box of importing are described file and be packaged, obtain Take the TS upgrading code stream of correspondence, the TS got upgrading code stream is uploaded to hybrid fiber/ coax, HFC HFC net via multiplexer In network, and generate the upgrading descriptor that each TS upgrading code stream is corresponding, wherein, described upgrading descriptor comprises corresponding The mark of described TS upgrading code stream;
Each described upgrading descriptor is stored in network information table;Wherein, described upgrading descriptor is stored in the network information In first descriptor circulation of table;
Described network information table is uploaded in described hfc plant by multiplexer, makes the Set Top Box being positioned in described hfc plant According to the upgrading descriptor in described network information table, obtain corresponding TS upgrading code stream and carry out set top box upgrading;
Wherein, when importing set top box upgrading file and describing file with corresponding described Set Top Box:
The file designation that described set top box upgrading file describes file with corresponding described Set Top Box is identical;
Wherein, described set top box upgrading file uses BIN file format, and described Set Top Box describes file and uses xml document form;
Wherein, described Set Top Box describes after file is imported into, and described Set Top Box is described file and is saved in upgrade file data base In.
Method the most according to claim 1, it is characterised in that also include:
Described network information table divides according to zones of different mark or local mark, preserves organic in described network information table The information of top box type;
When being stored in described network information table by the upgrading descriptor of generation, there is the described net of identical set top box type Network information table stores upgrading descriptor information that corresponding described set top box type generates respectively.
3. a set top box upgrading fore device, it is characterised in that including:
File imports server, is used for obtaining multiple set top box upgrading file, and with described set top box upgrading file one a pair The Set Top Box answered describes file, and is directed into Loader system according to consolidation form, and wherein, described Loader system is Set Top Box The system of software upgrading is carried out via cable television network;
Loader system, for describing each described set top box upgrading file and the Set Top Box of importing according to transport stream TS form File is packaged, and obtains corresponding TS upgrading code stream, via multiplexer, the TS got upgrading code stream is uploaded to mixed light In fine coaxial cable hfc plant, and generate the upgrading descriptor that each TS upgrading code stream is corresponding, wherein, described upgrading descriptor In comprise the mark of corresponding described TS upgrading code stream;
EPG server, for being stored in each upgrading descriptor in network information table, and by described network Information table is uploaded in described hfc plant by multiplexer, makes the Set Top Box being positioned in described network according to the described network information Upgrading descriptor in table, obtains corresponding TS upgrading code stream and carries out set top box upgrading;Wherein, described upgrading descriptor is stored in In first descriptor circulation of network information table;
Wherein, when described file importing server importing set top box upgrading file describes file with corresponding described Set Top Box,
The file designation that described set top box upgrading file describes file with corresponding described Set Top Box is identical;
Wherein, described set top box upgrading file uses BIN file format, and described Set Top Box describes file and uses xml document form;
Wherein, described Set Top Box describes after file is imported into, and described Set Top Box is described file and is saved in upgrade file data base In.
Set top box upgrading fore device the most according to claim 3, it is characterised in that also include: be arranged at described EPG clothes Server is set up in region in business device;
Server is set up in described region, for dividing network information table, described network according to zones of different mark or local mark Information table is preserved the information of set top box type in current region.
5. a set top box upgrading method, it is characterised in that including:
Each upgrading descriptor in network information table in monitoring network;Wherein, described upgrading descriptor is positioned at the network information In first descriptor circulation of table;Described upgrading descriptor is that the set top box upgrading fore device described in claim 3 or 4 is raw Become;Wherein, described network is hfc plant;
When monitoring the described upgrading descriptor attribute with local top box and matching, determine that current set top box is machine to be upgraded Top box;
TS upgrading code stream corresponding in hfc plant is determined according to described upgrading descriptor;
Analyze the Program Map Table in described TS upgrading code stream, obtain and preserve described TS upgrading code stream in described hfc plant Location parameter;
Start upgrading, from described network, download described TS upgrading according to the ID of the upgrading data packet comprised in described location parameter Code stream carries out set top box upgrading.
Method the most according to claim 5, it is characterised in that monitors in the network information table in described hfc plant is each Individual upgrading descriptor, and determine that the process that current set top box is Set Top Box to be upgraded includes:
Monitor the upgrading descriptor in the network information table in described hfc plant;
Obtaining upgrade information in described upgrading descriptor, described upgrade information includes: Set Top Box vendor code, and hardware version is soft Part version, control bit and serial number initial value and end value;
According to described serial number read corresponding network machine top box serial number STB ID, smart card numbers, digital cable customers number, Condition reception type and middleware of set top box type;
Mate with local top box attribute one by one, upon a match, determine that current set top box, in the range of upgrading, is defined as treating Upgrading set top box.
7., according to the method described in claim 5 or 6, it is characterised in that described startup is upgraded, wrap according in described location parameter The ID of the upgrading data packet contained downloads described TS upgrading code stream from described hfc plant and carries out the process of set top box upgrading and include:
Start upgrading, from described network, download described TS upgrading according to the ID of the upgrading data packet comprised in described location parameter Code stream;
Decompress described TS upgrading code stream, and utilize the upgrading in the Hash MD5_hash function set top box upgrading file to obtaining Data calculate, and obtain data summarization and data to be upgraded;
When described data summarization is identical with Set Top Box local data summary, stores described data to be upgraded, and treat described in foundation Upgrading data carry out set top box upgrading.
8. a Set Top Box, it is characterised in that including:
Monitoring means, for monitoring each upgrading descriptor in the network information table in hybrid fiber/ coax, HFC hfc plant; Wherein, during described upgrading descriptor is positioned at first descriptor circulation of network information table;Judging unit, for when monitoring institute State the attribute of upgrading descriptor and local top box when matching, determine that current set top box is Set Top Box to be upgraded;Wherein, described Upgrading descriptor is that the set top box upgrading fore device described in claim 3 or 4 generates;Search unit, for according to described Upgrading descriptor determines TS upgrading code stream corresponding in described hfc plant;
Analytic unit, for analyzing the Program Map Table in described TS upgrading code stream, obtains and preserves described TS upgrading code stream and exist Location parameter in hfc plant;
Download upgrade unit, when being used for starting upgrading, according to the ID of the upgrading data packet comprised in described location parameter from described Network is downloaded described TS upgrading code stream and carries out set top box upgrading.
9. a set top box upgrading system, it is characterised in that including: the set top box upgrading front end dress described in claim 3 or 4 Put, and carry out the machine top described in the claim 8 that information is mutual by hfc plant with described set top box upgrading fore device Box.
CN201310207408.1A 2013-05-29 2013-05-29 Set top box upgrading method, device and system CN103327403B (en)

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