CN103327403A - Set top box upgrading method, device and system - Google Patents
Set top box upgrading method, device and system Download PDFInfo
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Abstract
The invention discloses a set top box upgrading method, device and system. The set top box upgrading method comprises the steps that an obtained set top box upgrading file and a set top box describing file corresponding to the set top box upgrading file are imported according to a uniform form; the imported set top box upgrading file and the set top box describing file are encapsulated according to the TS form, a corresponding TS upgrading code stream is obtained and processed, the obtained TS upgrading code stream is uploaded to the HFC network, and a corresponding upgrading descriptor is generated; the upgrading descriptor is stored in an NIT table and is uploaded to the HFC network, and a set top box located inside the HFC network is made to obtain the corresponding TS upgrading code stream according to the upgrading descriptor in the NIT table, and then the set top box is upgraded. According to the set top box upgrading method, device and system, upgrading information of the set top box is processed in a unified mode, unified set top box upgrading files are generated, the upgrading stream needed by the set top box is sent with a unified broadcasting method, and then different kinds of set top boxes with different specifications can be upgraded.
Description
Technical field
The present invention relates to the digital television techniques field, in particular, relate to a kind of set top box upgrading method, device and system.
Background technology
Today in that digital television techniques constantly develops, there is diversified situation at cable digital TV in the online upgrading mode of net set-top box.Concrete reason is that the loader module exists different in the set-top box that is provided by different set-top box manufacturer, therefore at present Loader(commonly used carries out software upgrading by cable television network) system also is by the escalation process of manufacturer's controller top box of each set-top box.
Concrete, the Loader system that provides at different vendor in the prior art, it is in the process of upgrading, also because the difference of loader module, the requirement of broadcasting form to front end upgrading code stream also has nothing in common with each other, and the upgrading of the each Loader system that causes thus all depends on the upgrading code stream that each set-top box manufacturer is equipped with and broadcasts server and corresponding frequency resource.
The upgrading mode of above-mentioned set-top box of the prior art, can not make the user independently control the process of upgrading owing to too rely on the manufacturer of set-top box, cause the not only inconvenience of operation of set-top box being upgraded by the user, and varied skimble-scamble set top box upgrading mode, also cause easily the waste problem of resource occurring at the escalation process of each set-top box.
Summary of the invention
In view of this, the invention provides a kind of set top box upgrading method, device and system, to solve the problem to operation inconvenience and the wasting of resources in the process of a plurality of set top box upgradings that set top box upgrading mode disunity causes in the prior art.
For achieving the above object, the invention provides following technical scheme:
A kind of set top box upgrading method comprises:
Obtain a plurality of set top box upgrading files, and with described set top box upgrading file set-top box description document one to one, and import according to unified Loader form;
According to the transport stream TS form each described set top box upgrading file and the set-top box description document that imports encapsulated, obtain corresponding TS upgrading code stream, the TS upgrading code stream that gets access to is uploaded in the hybrid fiber/ coax, HFC hfc plant via multiplexer, and generate the upgrading descriptor of each TS upgrading code stream correspondence, wherein, the sign that comprises the described TS upgrading code stream corresponding with it in the described upgrading descriptor;
Each described upgrading descriptor is stored in the network information table;
Described network information table is uploaded in the described hfc plant by multiplexer, makes the upgrading descriptor of the described network information table of set-top box foundation that is arranged in described hfc plant, obtain corresponding TS upgrading code stream and carry out set top box upgrading.
Preferably, when importing the set top box upgrading file with corresponding described set-top box description document:
Described set top box upgrading file is identical with the file designation of corresponding described set-top box description document;
Wherein, described set top box upgrading file adopts the BIN file format, and described set-top box description document adopts the xml file format.
Preferably, also comprise:
Described network information table is divided according to zones of different sign or ground square mark, preserves the information of set-top box type in the described network information table;
When the upgrading descriptor that will generate is stored in the described network information table, in having the described network information table of identical set-top box type, store the 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, comprising:
File imports server, be used for obtaining a plurality of set top box upgrading files, and with described set top box upgrading file set-top box descriptor one to one, and be directed into the Loader system according to consolidation form, wherein, described Loader system is set-top box is carried out software upgrading via cable television network system;
The Loader system, be used for according to the transport stream TS form each described set top box upgrading file and the set-top box descriptor that imports being encapsulated, obtain corresponding TS upgrading code stream, the TS upgrading code stream that gets access to is uploaded in the hybrid fiber/ coax, HFC hfc plant via multiplexer, and generate the upgrading descriptor of each TS upgrading code stream correspondence, wherein, the sign that comprises the described TS upgrading code stream corresponding with it in the described upgrading descriptor;
EPG server, be used for each upgrading descriptor is stored in network information table, and described network information table is uploaded in the described hfc plant by multiplexer, make the upgrading descriptor of the described network information table of set-top box foundation that is arranged in described network, obtain corresponding TS upgrading code stream and carry out set top box upgrading.
Preferably, also comprise: server is set up in the zone that is arranged in the described EPG server;
Server is set up in described zone, is used for dividing network information table according to zones of different sign or ground square mark, preserves the information of the set-top box type in the current region in the described network information table.
Accordingly, the invention also discloses a kind of set top box upgrading method, comprising:
Each upgrading descriptor in the network information table in the monitoring network;
When the attribute that monitors described upgrading descriptor and local set-top box is complementary, determine that current set-top box is set-top box to be upgraded;
Determine TS upgrading code stream corresponding in the described hfc plant according to described upgrading descriptor;
Analyze the Program Map Table in the described TS upgrading code stream, obtain and preserve the location parameter of described TS upgrading code stream in described hfc plant;
Start upgrading, the ID of the upgrading data packet that comprises in the described location parameter of foundation downloads described TS upgrading code stream and carries out set top box upgrading from described network.
Preferably, monitor each upgrading descriptor in the network information table in the described hybrid fiber/ coax, HFC hfc plant, and the process that definite current set-top box is set-top box to be upgraded comprises:
Monitor the upgrading descriptor in the network information table in the described hfc plant;
Obtain upgrade information in the described upgrading descriptor, described upgrade information comprises: set-top box vendor code, hardware version, software version, control bit and sequence number initial value and end value;
Read corresponding network machine top box sequence number STB ID, smart card numbers, digital cable customers number, condition type of receipt and set-top box middleware type according to described sequence number;
Mate with local set-top box attribute one by one, when coupling, determine that current set-top box in the upgrading scope, is defined as set-top box to be upgraded.
Preferably, described startup upgrading, from described hfc plant, downloads the described TS process that code stream carries out set top box upgrading of upgrading according to the ID of the upgrading data packet that comprises in the described location parameter and comprise:
Start upgrading, the ID of the upgrading data packet that comprises in the described location parameter of foundation downloads described TS upgrading code stream from described network;
The described TS upgrading code stream that decompresses, and utilize Hash MD5_hash function that the upgrade data in the set top box upgrading file that obtains is calculated, obtain data summarization and data to be upgraded;
Make a summary when identical when described data summarization and set-top box local data, store described data to be upgraded, and carry out set top box upgrading according to described data to be upgraded.
Accordingly, the invention also discloses a kind of set-top box, comprising:
Monitoring means is for each upgrading descriptor in the network information table of monitoring hybrid fiber/ coax, HFC hfc plant;
Judging unit is used for determining that current set-top box is set-top box to be upgraded when the attribute that monitors described upgrading descriptor and local set-top box is complementary;
Search the unit, be used for determining the TS upgrading code stream that described hfc plant is corresponding according to described upgrading descriptor;
Analytic unit for the Program Map Table of analyzing described TS upgrading code stream, obtains and preserves the location parameter of described TS upgrading code stream in hfc plant;
The download and upgrade unit, when being used for starting upgrading, the ID of the upgrading data packet that comprises in the described location parameter of foundation downloads described TS upgrading code stream and carries out set top box upgrading from described network.
Accordingly, the invention also discloses a kind of set top box upgrading system, it is characterized in that, comprising: aforesaid set top box upgrading fore device, and the aforesaid set-top box of carrying out information interaction by hfc plant and described set top box upgrading fore device.
Via above-mentioned technical scheme as can be known, compared with prior art, the invention discloses a kind of set top box upgrading method, device and system.By the many NIT epiphase combination with Loader system and EPG server, all types of set top box upgrading information is carried out the unified of form to be handled, make the set-top box software release format unified, make the description file format of set top box upgrading software correspondence unified, and adopt the importing form of unified upgrade software, with the unified form of broadcasting, and the coffret of unified multiplexer and HFC, thereby guarantee in the escalation process of set-top box, can unify the flow process of set top box upgrading, realization avoids each set-top box to carry out separately in the escalation process equipment, and the purpose of data resource waste.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiments of the invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to the accompanying drawing that provides.
Fig. 1 is the flow chart of the embodiment of the invention one disclosed a kind of set top box upgrading method;
Fig. 2 is the structural representation of the packing of disclosed TS upgrading code stream in the embodiment of the invention one;
Fig. 3 is the flow chart of the embodiment of the invention two disclosed a kind of set top box upgrading methods;
Fig. 4 is the flow chart of the embodiment of the invention three disclosed a kind of set top box upgrading methods;
Fig. 5 is the part flow chart in the embodiment of the invention three disclosed a kind of set top box upgrading methods;
Fig. 6 is the part flow chart in the embodiment of the invention three disclosed a kind of set top box upgrading methods;
Fig. 7 is the structural representation of the embodiment of the invention four disclosed a kind of set top box upgrading front ends;
Fig. 8 is the structural representation of the embodiment of the invention four disclosed another kind of set top box upgrading fore devices;
Fig. 9 is the structural representation of the embodiment of the invention five disclosed a kind of set-top box;
Figure 10 is the structural representation of the disclosed a kind of set top box upgrading of the embodiment of the invention six system.
Embodiment
For quote and know for the purpose of, the hereinafter explanation of the technical term of Shi Yonging, write a Chinese character in simplified form or abridge and be summarized as follows:
The Loader system: set-top box is carried out the system of software upgrading by cable television network;
BIN: binary file, its purposes are the set top box upgrading file in embodiments of the present invention according to system or application and decide, and are a kind of compressed packages, wherein comprise binary bin file;
Xml:extensible markup language, extend markup language is used for the electroactive marker subfile and makes it have structural SGML;
TS:Transport Stream, transport stream is the communication protocol of a kind of audio for the data TV, image and data;
DII:Download Infor Indication downloads indication;
DDB:Download Data Block, downloading data block;
EPG:Electronic Program Guide, electric program menu, EPG server are gate systems of Digital Television, and the index of the miscellaneous service that Digital Television provides and navigation are all finished by the EPG server;
NIT:Network Information Table, network information table, it can store the upgrading descriptor of multiple set-top box in this application;
PMT:Program Map Table, Program Map Table is a kind of information in the TS upgrading code stream;
DSM-CC:Digital Storage Media-Command and Control, digital storage media-order and control;
Pid:Packet Identifier is the address ID of wrapping in the TS upgrading code stream;
HFC:Hybrid Fiber-Coaxial, hybrid fiber coax;
OUI:Organizationally unique identifier, organization unique identifier is the unique identifier of set-top box manufacturer in this application;
TVN:Digital TV Subscriber Number, digital cable customers number is a kind of service number of the definition user of operator, is similar to telecom operators and gives user-defined cell-phone number;
CA:Conditional Access condition receives, and is a kind of program encryption means, and the user only has key and just can untie ciphered program and normally watch.
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
By background technology as can be known, in the process of in the current prior art set-top box being upgraded, all the manufacturer by the dispenser device top box finishes, owing to too rely on the operation inconvenience that the manufacturer of set-top box causes the user that set-top box is upgraded, and varied skimble-scamble set top box upgrading mode, also cause easily the waste problem of resource occurring at the escalation process of each set-top box.Therefore, among the following embodiment of the present invention a kind of set top box upgrading method, device and system are disclosed.By obtain the upgrade information of set-top box separately from set-top box manufacturer, the unified processing generates unified set top box upgrading file, adopts the required upgrading stream of the unified mode of broadcasting transmitter top box, thereby realization and satisfied with all kinds of different models, the set-top box of kind is upgraded.Detailed process and structure are elaborated by following examples.
Embodiment one
In the process of carrying out set top box upgrading, adopt the set top box upgrading fore device that the required various information such as file of set top box upgrading are unified to handle, generate unified set top box upgrading file, and adopt uniform way to broadcast in the hfc plant, make the set-top box to be upgraded that is arranged in hfc plant obtain corresponding upgrading stream, to realize and to satisfy the set-top box of all kinds of different models and kind in the hfc plant is upgraded.As shown in Figure 1, the flow chart for the embodiment of the invention one disclosed set top box upgrading method mainly may further comprise the steps:
Step S101: obtain a plurality of set top box upgrading files, and with described set top box upgrading file set-top box description document one to one, and import according to unified Loader form.
In step S101, import server by the file in the set top box upgrading fore device and import a plurality of set top box upgrading files, this set top box upgrading file is provided by each set-top box manufacturer.In the process that imports, also simultaneously above-mentioned each set top box upgrading file corresponding set-top box description document is imported.
Need to prove that the set-top box description document provides indispensable descriptive information for importing the set top box upgrading file.When the set top box upgrading file that importing set-top box manufacturer provides, this set-top box description document is provided simultaneously, conveniently to be identified as purpose, except the suffix name of set top box upgrading file and set-top box description document, this set top box upgrading file is identical with the file designation of corresponding set-top box description document.Be used for providing basic distinctive information owing to include enough information in the title of set-top box description document, be used for distinguishing the corresponding set-top box description document of each set top box upgrading file, therefore, when carrying out import operation, can search corresponding set-top box description document under this physical pathway (same file title) automatically according to selected set top box upgrading file, thereby realize the automatic importing of the information in the set-top box description document.
Wherein, this set top box upgrading file adopts the BIN file format, and the set-top box description document adopts the xml file format, unified definition.In the process that imports, then adopt the standard of loader to carry out unified importing.
Can be to obtain from set-top box manufacturer before the operator at above-mentioned set top box upgrading file, obtain from set-top box manufacturer in the time of also can importing.By this process, at the escalation process of set-top box, at first no longer be subjected to the restriction of set-top box manufacturer, but after by operator the set top box upgrading file being obtained, the unified processing is by the unified escalation process of operator's realization to set top box upgrading to be upgraded.
In the importing process of execution in step S101, with above-mentioned set top box upgrading file and with its corresponding set-top box description document, be directed in the Loader system in the set top box upgrading fore device according to above-mentioned unified Loader standard.
Need to prove, after information in the set-top box description document is imported into, be kept in the upgrade file database, can be used as the description content of data in the upgrade file database is used when carrying out the software upgrading playing and scheduling in order to follow-up, or import server by file and carry out every bookkeeping.This set-top box description document can be deleted after storage or file separately and be backed up.
In the process of execution in step S101, the set top box upgrading file type of the privately owned form that set-top box manufacturer is provided is unified to be the file of BIN form, in the process of execution in step S102, by the Loader system in the set top box upgrading fore device, according to the TS form each set top box upgrading file and the set-top box descriptor that meet unified Loader standard that imports encapsulated, thereby obtain each set top box upgrading file and the corresponding TS upgrading of set-top box descriptor code stream.
Above-mentioned different B IN file is packed respectively or is packaged into TS upgrading code stream, concrete packing or encapsulating structure are as shown in Figure 2, from PMT, obtain the location parameter of relevant download pid(upgrading code stream, be the ID that wraps in the code stream) and the table id address of corresponding Program Map Table, according to the DSM-CC data carousel, adopt DII and two kinds of tables of DDB to carry out.DII table among Fig. 2 is made up of a plurality of DDB tables.
After obtaining the TS upgrading code stream of TS form, be uploaded in the hfc plant by the upgrading descriptor of multiplexer with each corresponding TS upgrading code stream.
Processing by above-mentioned steps S102, all kinds of set top box upgrading files and the set-top box description document that imports can be encapsulated according to unified TS form, making the uniform format of various set top box upgrading files and set-top box description document, should be TS upgrading code stream according to the set top box upgrading file after the encapsulation of TS form and set-top box description document.Namely obtain the unified TS upgrading code stream of corresponding each set top box upgrading file and set-top box descriptor by execution in step S102.
Step S103, each described upgrading descriptor is stored among the network information table NIT.
In the process of execution in step S103, by the Loader in the set top box upgrading fore device after generating the upgrading descriptor, again described upgrading descriptor is imported the EPG server, and by described EPG server each described upgrading descriptor is stored among the network information table NIT.
Need to prove, the link that the upgrading descriptor is downloaded as upgrading is described, be used for operator carries out one or more set-top box in hfc plant software down loading updating sign, that is to say, it directly can be used as software down loading updating sign and uses, be placed in first descriptor circulation of NIT table, and can repeat.
Because the upgrading that each upgrading descriptor points to only encapsulates the set top box upgrading program of the set-top box with same kind of attribute, therefore, the OUI circulation in this upgrading descriptor has only one, namely is 1 to the maximum.Need to prove that corresponding description of upgrading descriptor has the set-top box of same alike result in the NIT table.
Include the link of downloading for upgrading in the upgrading descriptor of storing in this NIT table and describe, describing set top box upgrading file in the hfc plant, i.e. the upgrading of TS after encapsulation code stream broadcast the position.
Step S104 is uploaded to described network information NIT table in the described hfc plant by multiplexer, makes the set-top box that is arranged in described hfc plant according to the upgrading descriptor that described NIT shows, and obtains corresponding TS upgrading code stream and carries out set top box upgrading.
After EPG generated the NIT table that includes the descriptor of upgrading, execution in step S104 was uploaded to the described NIT table that obtains in the hfc plant by multiplexer.
After this NIT table is uploaded to hfc plant, by the upgrading descriptor of the set-top box to be upgraded that is arranged in this hfc plant according to the NIT table, obtains corresponding TS upgrading code stream and carry out corresponding set top box upgrading.
Concrete, in the process of upgrading, be arranged in the set-top box to be upgraded of hfc plant, can obtain the upgrading descriptor successively, and, the sign of the TS corresponding with it upgrading code stream comprised in this upgrading descriptor, determine then whether this upgrading descriptor mates with current set-top box to be upgraded, under situation about being complementary, from hfc plant, obtain the TS upgrading code stream of this upgrading descriptor correspondence again, make this set-top box carry out corresponding set top box upgrading according to this TS upgrading code stream.
This embodiment of the invention one is by the above-mentioned set top box upgrading fore device that utilizes, many NIT epiphase combination with Loader system and EPG server, all types of set top box upgrading information is carried out the unified of form to be handled, make the set-top box software release format unified, make the description file format of set top box upgrading software correspondence unified, and adopt the importing form of unified upgrade software, with the unified form of broadcasting, and the coffret of unified multiplexer and HFC, thereby guarantee in the escalation process of set-top box, can unify the flow process of set top box upgrading, realization avoids each set-top box to carry out separately in the escalation process equipment, and the purpose of data resource waste.
Embodiment two
Based on the invention described above embodiment one disclosed a kind of set top box upgrading method, the embodiment of the invention two discloses another kind of set top box upgrading method on this basis, and idiographic flow mainly may further comprise the steps as shown in Figure 3:
Step S201 imports a plurality of set top box upgrading files, and with described set top box upgrading file set-top box description document one to one.
Step S202, according to the TS form each described set top box upgrading file and the set-top box description document that imports encapsulated, obtain corresponding TS upgrading code stream, the described TS upgrading code stream that gets access to is uploaded in the hfc plant via multiplexer, and generate the upgrading descriptor of each TS upgrading code stream correspondence, wherein, the sign that comprises the described TS upgrading code stream corresponding with it in the described upgrading descriptor.
Disclosed step S101 is identical with step S102 in the concrete implementation of above-mentioned steps S201 and step S202 and above-described embodiment one, but cross-reference is no longer given unnecessary details here.
Step S203 is stored in each described upgrading descriptor in the network information NIT table, and this NIT table is divided according to zones of different sign or ground square mark.
In the process of execution in step S203, be with the place that disclosed step S103 is different in above-described embodiment one, in the embodiment of the invention two among the disclosed step S203, the NIT table is according to zones of different or local the division, and the concrete dividing mode of this NIT table can adopt area identification or ground square mark to distinguish and divide.That is to say that existing each NIT shows zone of corresponding stored or local set-top box information in EGP, namely preserve the information of the set-top box type in this zone or place.
Step S204 is uploaded to described network information table in the described hfc plant by multiplexer, makes the set-top box that is arranged in described hfc plant according to the upgrading descriptor that described NIT shows, and obtains corresponding TS upgrading code stream and carries out set top box upgrading.
The concrete implementation of this step S204 is identical with disclosed step S104 in above-described embodiment one, no longer gives unnecessary details here.
Disclosed set top box upgrading method in this embodiment of the invention two, utilize the set top box upgrading fore device equally, many NIT epiphase combination with Loader system and EPG server, all types of set top box upgrading information is carried out the unified of form to be handled, make the set-top box software release format unified, make the description file format of set top box upgrading software correspondence unified, and adopt the importing form of unified upgrade software, with the unified form of broadcasting, and the coffret of unified multiplexer and HFC, thereby guarantee in the escalation process of set-top box, can unify the flow process of set top box upgrading, realization avoids each set-top box to carry out separately in the escalation process equipment, and the purpose of data resource waste.
Further, the sign of the EPG server by utilizing zones of different in the embodiment of the invention two or ground square mark are divided the NIT table, with corresponding zones of different, perhaps the upgrading descriptor information of the set-top box type of cities and counties generation is stored in the NIT table of respective regions, thereby realizes carrying out purpose of upgrading according to the Region control set-top box.
Need to prove, divide in the process of NIT table at the EPG server, except can dividing from the administrative region of cities and counties, ground, can also be specific to street or residential quarter.That is to say, can carry out finer division according to the zone that concrete application requirements is contained NIT.
Embodiment three
Based on the invention described above embodiment one and embodiment two disclosed a kind of set top box upgrading methods, it utilizes the set top box upgrading fore device that the upgrade file of all types of set-top box is carried out unified processing and management, and adopt the required information of set top box upgrading after the unified mode of broadcasting will be unified to handle to be sent in the hfc plant, determining that by the set-top box that is arranged in hfc plant the information with hfc plant exists under the situation about being complementary, from hfc plant, obtain corresponding TS upgrading code stream, make this set-top box carry out corresponding set top box upgrading according to this TS upgrading code stream.By set-top box as the performed escalation process of executive agent as shown in Figure 4, mainly may further comprise the steps:
Step S301 is arranged in each upgrading descriptor of NIT table of each set-top box monitoring network of hfc plant.
Step S302 judges the described upgrading descriptor monitor, and the attribute with local set-top box is complementary, if coupling is then determined current set-top box within the upgrading scope, execution in step S303 if not, then continues execution in step S301.
Carry out in the escalation process of above-described embodiment one or embodiment two, the NIT table is uploaded in the hfc plant, store the upgrading descriptor relevant with set top box upgrading in this NIT table.When execution in step S301, shown by the NIT that dominant frequency point receives hfc plant by each set-top box that is arranged in hfc plant, and each upgrading descriptor in the table of the NIT in the network is carried out real-time monitoring.
In the process of monitoring, each set-top box is carried out judgement separately separately, be example with a set-top box, after its execution in step S301 monitoring in real time is present in upgrading descriptor in the NIT table in the network, execution in step S302, judge its described upgrading descriptor that monitors whether the attribute of set-top box set-top box local with it be complementary.
Need to prove, when the NIT of above-mentioned set-top box in monitoring network shows, mainly under set-top-box opening, standby recovery and three kinds of situations of manual search, realize.
Step S303 when the attribute that monitors described upgrading descriptor and local set-top box is complementary, determines that current set-top box is set-top box to be upgraded.
Step S304 determines TS upgrading code stream corresponding in the described hfc plant according to described upgrading descriptor.
When execution in step S304, code stream is corresponding because the TS in this upgrading descriptor and hfc plant upgrades, and the sign that comprises the TS upgrading code stream corresponding with it in the described upgrading descriptor, therefore, in the process of execution in step S303, after determining current set-top box to be upgraded, determine to be arranged in the TS upgrading code stream of hfc plant according to the upgrading descriptor of coupling.
Step S305 analyzes the pmt table in the described TS upgrading code stream, obtains and preserve the location parameter pid of described TS upgrading code stream in described hfc plant.
In step S305, to the process that the TS that gets access to upgrading code stream is analyzed, concrete analysis be wherein pmt table, thereby obtain and preserve the location parameter pid of this TS upgrading code stream in hfc plant.
Step S306 starts upgrading, and the ID of the upgrading data packet that comprises among the described location parameter pid of foundation downloads described TS upgrading code stream from described hfc plant and carries out set top box upgrading.
Execution in step S306 makes this set-top box to be upgraded start upgrading, and the ID of the upgrading data packet that comprises in the location parameter that gets access to according to execution in step S304 downloads TS upgrading code stream from hfc plant, thus the upgrading of realization set-top box.
Carrying out above-mentioned steps S301 to the process of step S306, by monitoring the upgrading descriptor in the upgrading descriptor in the NIT table, after judging that current set-top box of monitoring meets the upgrading requirement, locking receives the dominant frequency point of NIT table, analyze pmt table, obtain and preserve the location parameter pid of TS upgrading code stream in hfc plant etc.Then, after starting upgrading, to corresponding frequency, download corresponding TS upgrading code stream and carry out set top box upgrading.
By the invention described above embodiment three disclosed set top box upgrading methods, by the upgrading descriptor in the NIT table in the set-top box monitoring hfc plant, when the attribute of the upgrading descriptor that comprises in judging this upgrading descriptor and current set-top box to be upgraded is complementary, under situation about being complementary, from hfc plant, obtain the TS upgrading code stream of this upgrading descriptor correspondence again, thereby realize making this set-top box to carry out the purpose of corresponding set top box upgrading according to this TS upgrading code stream.
Based on the invention described above embodiment three disclosed set top box upgrading methods, in the detailed process of carrying out above-mentioned steps S301 and step S302 as shown in Figure 5, mainly may further comprise the steps:
Step S3011 monitors the upgrading descriptor in the NIT table in the described hfc plant.
Step S3012 obtains the upgrade information in the described upgrading descriptor, and described upgrade information comprises: set-top box vendor code OUI, hardware version, software version, control bit and sequence number initial value and end value.
Step S3013 reads corresponding network machine top box sequence number (STB ID), smart card numbers (Card ID), digital cable customers number (TVN), condition type of receipt (CN) and set-top box middleware type according to described sequence number.
Step S3014 mates the above-mentioned STB ID that gets access to, Card ID, TVN, CA and set-top box middleware type one by one with local set-top box attribute, when coupling, determine current set-top box in the upgrading scope, is set-top box to be upgraded.
Set-top box can be carried out above-mentioned steps S3011 to the process of step S3014 under any one situation of start, standby recovery or manual search.The NIT that receives in the hfc plant by foundation dominant frequency point shows, and the upgrading descriptor by storing in the monitoring NIT table obtains the upgrade information in the upgrading descriptor.Comprise OUI in this upgrade information, hardware version, software version, control bit and sequence number initial value and end value, reading the corresponding STB ID of sequence number, Card ID, TVN, CA and set-top box middleware type is complementary with local set-top box attribute one by one, if be complementary, illustrate that then current set-top box of mating belongs in the scope of operator's plan upgrading, can continue to carry out following escalation process.
Equally, in the invention described above embodiment three open set top box upgrading methods, the detailed process of step S306 mainly may further comprise the steps as shown in Figure 6:
Step S3061 starts upgrading, and the ID of the upgrading data packet that comprises in the described location parameter of foundation downloads described TS upgrading code stream from described hfc plant.
Step S3062, the described TS upgrading code stream that decompresses, and utilize Hash MD5_hash function that the upgrade data in the set top box upgrading file that obtains is calculated, obtain data summarization and data to be upgraded.
Step S3063 judges whether described data summarization is identical with set-top box local data summary, if identical, then if execution in step S3064 inequality, then stops upgrading.
Step S3064 stores described data to be upgraded, and carries out set top box upgrading according to described data to be upgraded.
To the process of step S3064, adopt Hash MD5_hash function that the upgrade data in the set top box upgrading file that obtains is carried out verification at execution in step S3061.The process of verification is: utilize the MD5_hash function that upgrade data is carried out the data summarization that computing obtains 16 bytes, and data to be upgraded.Same, utilize Hash MD5_hash function that local set-top box is carried out computing, if the data summarization that obtains is consistent with the data summarization of above-mentioned 16 bytes that obtain from the TS upgrading code stream that decompresses, confirm that then the data to be upgraded in this TS upgrading code stream are legal, thereby these data to be upgraded can be stored among the flash, used in order to follow-up local set top box upgrading; If different, then do not upgrade flash, and stop the upgrading to local set-top box.
Need to prove, in the process that above-mentioned set-top box is upgraded, when the arbitrary parameter in the information relevant with set top box upgrading that sends in the hfc plant can not satisfy requiring of above-mentioned set top box upgrading, set-top box is the display update information not, also can not participate in upgrading.
By the invention described above embodiment three disclosed set top box upgrading methods, based on unified set-top box software start context form, the software upgrading descriptor information of unified set top box upgrading file correspondence, importing form, broadcasting format, the coffret of unified upgrade software, and unified set-top box observation process and promotion condition.Thereby guarantee in the escalation process of set-top box, can unify the flow process of set top box upgrading, realize avoiding each set-top box to carry out separately in the escalation process equipment, and the purpose of data resource waste.
Further, carry out according to several modes such as STB ID, Card ID, TVN, middleware type and CA types that the set top box upgrading scope is determined and control, and based on definite safety upgrade of having realized in the updating set-top box software process end to end of many aspects.
Further, set up the NIT table in conjunction with distinguishable region in above-described embodiment two, this embodiment of the invention also can realize the control procedure of zone upgrading.
Embodiment four
Based on the invention described above embodiment one disclosed set top box upgrading method, the present invention is corresponding its set top box upgrading fore device of a kind of correspondence that discloses also, its concrete structure mainly comprises as shown in Figure 7: file imports server 101, Loader system 102 and EPG server 103.
Wherein, described Loader system 102 is set-top box is carried out software upgrading via cable television network systems.
Wherein, the sign that comprises the described TS upgrading code stream corresponding with it in the described upgrading descriptor.
Need to prove that this set top box upgrading file is identical with the file designation of corresponding set-top box description document; Wherein, this set top box upgrading file adopts the BIN file format, and the set-top box description document adopts the xml file format.
Above-mentioned disclosed file imports server 101, and the concrete implementation of Loader system 102 and EPG server 103 is consistent with the invention described above embodiment one disclosed method, no longer gives unnecessary details here, can be specifically referring to above-mentioned explanation.
In the process of carrying out set top box upgrading, on the basis of the disclosed set top box upgrading fore device of above-mentioned Fig. 7, the embodiment of the invention four also discloses a kind of set top box upgrading fore device, as shown in Figure 8, on the basis of set top box upgrading fore device illustrated in fig. 7, be provided with the zone in this EPG server 103 and set up server 104.
Server 104 is set up in this zone, be used for setting up corresponding NIT table according to zones of different sign or ground square mark, preserve the information of the set-top box type in the current region during described NIT shows, thereby realize the division according to zones of different identifies or the ground square mark is shown NIT.
Basic principle and implementation that server 104 is set up in this zone are identical with disclosed step S203 among the invention described above embodiment two, no longer give unnecessary details here, but cross-reference.
Disclosed set top box upgrading fore device in this embodiment of the invention four, carrying out the unified of form by file importing server 101 and 102 pairs of all types of set top box upgrading information of Loader system handles, make the set-top box software release format unified, make the description file format of set top box upgrading software correspondence unified, and adopt the importing form of unified upgrade software, utilize the EPG server 103 unified forms of broadcasting, and the coffret of unified multiplexer 3 and hfc plant 4, thereby guarantee in the escalation process of set-top box, can unify the flow process of set top box upgrading, realization avoids each set-top box to carry out separately in the escalation process equipment, and the purpose of data resource waste.
Further, set up server 104 by the zone in the disclosed EPG server 103 in the embodiment of the invention four, utilize sign or the ground square mark of zones of different to divide the NIT table, with corresponding zones of different, perhaps the upgrading descriptor of the set-top box type of cities and counties generation is stored in the NIT table of respective regions, thereby realizes carrying out purpose of upgrading according to the Region control set-top box.
Embodiment five
Based on the invention described above embodiment three disclosed a kind of set top box upgrading methods, the present invention also discloses a kind of to set-top box that should method simultaneously, its primary structure as shown in Figure 9, mainly comprise: monitoring means 201, judging unit 202, search unit 203, analytic unit 204 and download and upgrade unit 205.
Monitoring means 201 is for each upgrading descriptor in the network information table of monitoring hybrid fiber/ coax, HFC hfc plant 4.
Judging unit 202 is used for determining that current set-top box is set-top box to be upgraded when the attribute that monitors described upgrading descriptor and local set-top box is complementary.
Download and upgrade unit 205, when being used for starting upgrading, the ID of the upgrading data packet that comprises among the described location parameter pid of foundation downloads described TS upgrading code stream and carries out set top box upgrading from described hfc plant 4.
Above-mentioned disclosed monitoring means 201, judging unit 202 is searched unit 203, the concrete implementation of analytic unit 204 and download and upgrade unit 205, consistent with the invention described above embodiment three disclosed methods, no longer give unnecessary details here, can be specifically referring to above-mentioned explanation.
By above-described embodiment five disclosed set-top box, based on the satisfactory unified set-top box software start context form of monitoring, the software upgrading descriptor of unified set top box upgrading file correspondence, adopt unified promotion condition, thereby guarantee in the escalation process of set-top box, can unify the flow process of set top box upgrading, realization avoids each set-top box to carry out separately in the escalation process equipment, and the purpose of data resource waste.
Further, carry out according to several modes such as STB ID, Card ID, TVN, middleware type and CA types that the set top box upgrading scope is determined and control, and based on definite safety upgrade of having realized in the updating set-top box software process end to end of many aspects.
Embodiment six
Based on the invention described above embodiment four disclosed set top box upgrading fore devices, and embodiment five disclosed a kind of set-top box, the invention also discloses a kind of set top box upgrading system, this set top box upgrading system is mainly by in disclosed two kinds of set top box upgrading fore devices in above-described embodiment four any one, with disclosed set-top box among the embodiment five, and relate to exchanges data between the two, perhaps data communication, perhaps the multiplexer 3 of information interaction and hfc plant 4 constitute, specifically can be referring to Figure 10.Set top box upgrading fore device in the set top box upgrading system shown in this accompanying drawing 10 is accompanying drawing 7 shown set top box upgrading fore devices 1 among the embodiment four.
Based on the system shown in this Figure 10, in the process of carrying out set top box upgrading, by 1 pair of set top box upgrading file that imports according to unified Loader standard of set top box upgrading front end, and corresponding its set-top box description document is carried out unified encapsulation or packing, make the set top box upgrading file of the privately owned form that each set-top box manufacturer provides and the uniform format of set-top box description document, utilize the TS upgrading code stream after encapsulation is obtained in the uniform way processing then, and by the corresponding upgrading descriptor of TS upgrading code stream generation, and described upgrading descriptor is stored in the NIT table, and then adopt TS upgrading code stream and the NIT that the unified mode of broadcasting will be above-mentioned to show to be uploaded in the hfc plant 4 by multiplexer 3.
Set-top box 2 as shown in Figure 9, a plurality of set-top box 2 shown in Figure 10, each set-top box 2 monitorings are arranged in each upgrading descriptor of the NIT table of hfc plant 4, and judge in the described upgrading descriptor that monitors whether the upgrading descriptor that is complementary with local set-top box attribute is arranged, if coupling determines that then current set-top box 2 is within the upgrading scope.After determining set-top box 2 to be upgraded, determine TS upgrading code stream corresponding in the hfc plant 4 according to the upgrading descriptor that monitors, analyze the pmt table in this TS upgrading code stream, obtain and preserve the location parameter pid of this TS upgrading code stream in hfc plant 4, after starting upgrading, ID according to the upgrading data packet that comprises among this pid, from hfc plant 4, download corresponding TS upgrading code stream, and the judgement by further data summarization, after determining that meeting upgrading requires, carry out the upgrading of set-top box 2 according to the data to be upgraded in the TS upgrading code stream that decompresses.
Need to prove that the set top box upgrading fore device 1 shown in the above-mentioned accompanying drawing 10 can be the set top box upgrading fore device shown in Fig. 8.
In sum, in the process of carrying out set top box upgrading, adopt unified the processing, generate the set top box upgrading file of consolidation form, adopt the required upgrading stream of the unified mode of broadcasting transmitter top box, thus realization and satisfied with all kinds of different models, and the set-top box of kind is upgraded, realization avoids each set-top box to carry out separately in the escalation process equipment, and the purpose of data resource waste.
Further, the sign of EPG server by utilizing zones of different or ground square mark are divided the NIT table, with corresponding zones of different, perhaps the upgrading descriptor information of the set-top box type of cities and counties generation is stored in the NIT table of respective regions, thereby realizes carrying out purpose of upgrading according to the Region control set-top box.
Further, carry out according to multiple mode that the set top box upgrading scope is determined and control, and based on definite safety upgrade of having realized in the updating set-top box software process end to end of many aspects.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.For the disclosed device of embodiment, because it is corresponding with the embodiment disclosed method, so description is fairly simple, relevant part partly illustrates referring to method and gets final product.
The method of describing in conjunction with embodiment disclosed herein or the step of algorithm can directly use the software module of hardware, processor execution, and perhaps the combination of the two is implemented.Software module can place the storage medium of any other form known in random asccess memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or the technical field.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments herein.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the wideest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a set top box upgrading method is characterized in that, comprising:
Obtain a plurality of set top box upgrading files, and with described set top box upgrading file set-top box description document one to one, and import according to unified Loader form;
According to the transport stream TS form each described set top box upgrading file and the set-top box description document that imports encapsulated, obtain corresponding TS upgrading code stream, the TS upgrading code stream that gets access to is uploaded in the hybrid fiber/ coax, HFC hfc plant via multiplexer, and generate the upgrading descriptor of each TS upgrading code stream correspondence, wherein, the sign that comprises the described TS upgrading code stream corresponding with it in the described upgrading descriptor;
Each described upgrading descriptor is stored in the network information table;
Described network information table is uploaded in the described hfc plant by multiplexer, makes the upgrading descriptor of the described network information table of set-top box foundation that is arranged in described hfc plant, obtain corresponding TS upgrading code stream and carry out set top box upgrading.
2. method according to claim 1 is characterized in that, when importing the set top box upgrading file with corresponding described set-top box description document:
Described set top box upgrading file is identical with the file designation of corresponding described set-top box description document;
Wherein, described set top box upgrading file adopts the BIN file format, and described set-top box description document adopts the xml file format.
3. method according to claim 1 and 2 is characterized in that, also comprises:
Described network information table is divided according to zones of different sign or ground square mark, preserves the information of set-top box type in the described network information table;
When the upgrading descriptor that will generate is stored in the described network information table, in having the described network information table of identical set-top box type, store the upgrading descriptor information that corresponding described set-top box type generates respectively.
4. a set top box upgrading fore device is characterized in that, comprising:
File imports server, be used for obtaining a plurality of set top box upgrading files, and with described set top box upgrading file set-top box descriptor one to one, and be directed into the Loader system according to consolidation form, wherein, described Loader system is set-top box is carried out software upgrading via cable television network system;
The Loader system, be used for according to the transport stream TS form each described set top box upgrading file and the set-top box descriptor that imports being encapsulated, obtain corresponding TS upgrading code stream, the TS upgrading code stream that gets access to is uploaded in the hybrid fiber/ coax, HFC hfc plant via multiplexer, and generate the upgrading descriptor of each TS upgrading code stream correspondence, wherein, the sign that comprises the described TS upgrading code stream corresponding with it in the described upgrading descriptor;
EPG server, be used for each upgrading descriptor is stored in network information table, and described network information table is uploaded in the described hfc plant by multiplexer, make the upgrading descriptor of the described network information table of set-top box foundation that is arranged in described network, obtain corresponding TS upgrading code stream and carry out set top box upgrading.
5. set top box upgrading fore device according to claim 4 is characterized in that, also comprises: server is set up in the zone that is arranged in the described EPG server;
Server is set up in described zone, is used for dividing network information table according to zones of different sign or ground square mark, preserves the information of the set-top box type in the current region in the described network information table.
6. a set top box upgrading method is characterized in that, comprising:
Each upgrading descriptor in the network information table in the monitoring network;
When the attribute that monitors described upgrading descriptor and local set-top box is complementary, determine that current set-top box is set-top box to be upgraded;
Determine TS upgrading code stream corresponding in the described hfc plant according to described upgrading descriptor;
Analyze the Program Map Table in the described TS upgrading code stream, obtain and preserve the location parameter of described TS upgrading code stream in described hfc plant;
Start upgrading, the ID of the upgrading data packet that comprises in the described location parameter of foundation downloads described TS upgrading code stream and carries out set top box upgrading from described network.
7. method according to claim 6 is characterized in that, monitor each upgrading descriptor in the network information table in the described hybrid fiber/ coax, HFC hfc plant, and the process that definite current set-top box is set-top box to be upgraded comprises:
Monitor the upgrading descriptor in the network information table in the described hfc plant;
Obtain upgrade information in the described upgrading descriptor, described upgrade information comprises: set-top box vendor code, hardware version, software version, control bit and sequence number initial value and end value;
Read corresponding network machine top box sequence number STB ID, smart card numbers, digital cable customers number, condition type of receipt and set-top box middleware type according to described sequence number;
Mate with local set-top box attribute one by one, when coupling, determine that current set-top box in the upgrading scope, is defined as set-top box to be upgraded.
8. according to claim 6 or 7 described methods, it is characterized in that described startup upgrading is downloaded the described TS process that code stream carries out set top box upgrading of upgrading according to the ID of the upgrading data packet that comprises in the described location parameter and comprised from described hfc plant:
Start upgrading, the ID of the upgrading data packet that comprises in the described location parameter of foundation downloads described TS upgrading code stream from described network;
The described TS upgrading code stream that decompresses, and utilize Hash MD5_hash function that the upgrade data in the set top box upgrading file that obtains is calculated, obtain data summarization and data to be upgraded;
Make a summary when identical when described data summarization and set-top box local data, store described data to be upgraded, and carry out set top box upgrading according to described data to be upgraded.
9. a set-top box is characterized in that, comprising:
Monitoring means is for each upgrading descriptor in the network information table of monitoring hybrid fiber/ coax, HFC hfc plant;
Judging unit is used for determining that current set-top box is set-top box to be upgraded when the attribute that monitors described upgrading descriptor and local set-top box is complementary;
Search the unit, be used for determining the TS upgrading code stream that described hfc plant is corresponding according to described upgrading descriptor;
Analytic unit for the Program Map Table of analyzing described TS upgrading code stream, obtains and preserves the location parameter of described TS upgrading code stream in hfc plant;
The download and upgrade unit, when being used for starting upgrading, the ID of the upgrading data packet that comprises in the described location parameter of foundation downloads described TS upgrading code stream and carries out set top box upgrading from described network.
10. a set top box upgrading system is characterized in that, comprising: the set top box upgrading fore device described in the claim 4 or 5, and the described set-top box of claim 9 of carrying out information interaction by hfc plant and described set top box upgrading fore device.
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