CN102710984B - Method for processing program information and device - Google Patents
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Abstract
The present invention discloses a kind of method for processing program information, and the method comprises the following steps: according to preset filter condition, data collection device is collected user terminal in the entrained PSI/SI data of the code stream of current network environment; Data transmitter by described PSI/SI transfer of data to data-analyzing machine; Described data-analyzing machine is processed described PSI/SI data preserve. The present invention also discloses a kind of apparatus for processing program information. The present invention is by searching for and analyze the method for local digital cable customers PSI/SI data, realized for solve the DTV relevant to PSI/SI data after sale problem the beneficial effect of foundation is provided, improve the DTV solution efficiency of problem after sale, increase the accumulation to data in domestic digital TV network environment, perfect digital television function.<!--1-->
Description
Technical field
The present invention relates to digital television techniques field, relate in particular to a kind of PSI/SI(ProgramSpecificInformation/ServiceInformation Program Specific Information/business information) processing method and device.
Background technology
Along with the development of TV tech, digital cable customers group constantly expand; Meanwhile, along with CHINA RFTCOM Co Ltd constantlyUpgrade, radio and TV operator in all parts of the country is also actively promoting DTV, and DTV finally replaces simulated television to be become inevitableTrend.
The DVB standard of current domestic employing is to MPEG2(MovingPictureExpertsGroup, moving imageExpert group) expansion of standard, increase on the original basis SI information, be divided into PSI information and SI information. PSI information spinner is wantedComprise: PAT(ProgramAssociationTable, program group from table), PMT(ProgramMapTable, program mapTable), NIT(NetworkInformationTable, network information table) and CAT(ConditionalAccessTable,Conditional access table) etc. SI mainly comprises: SDT(ServiceDescriptionTable, SDT Service Description Table), EIT(EventInformationTable, Event Information Table), TDT(TimeandDateTable, Time of Day table), BAT(BouquetAssociationTable, bouquet set table) and TOT(TimeOffsetTable, TOT Time Offset Table) etc.
Because China Digital TV various places carrier network environment varies, as the difference of data in pmt table and standardThe specific customization of change, SDT showing etc., have brought totally unfavorable impact to the development of domestic DTV, and DTV dayThe problem after sale that benefit increases shows particularly evidently, as TV leak platform, do not have sound, tuning speed slow, automatically upgrade and make mistakes etc.A series of problems after sale.
Occur these after sale the reason of problem mainly contain: the all-in-one of television manufacturer fails to cover completely local DTVThe specific information of PSI/SI in network environment; Local digital-TV operator specific function customization, the all-in-one of television manufacturer alsoUntapped PSI/SI function; In local digital-TV operator network environment, PSI/SI information constantly changes, the number of television manufacturerThere is relevant BUG for these variations in word all-in-one, causes in a large number problem after sale. For example, Beijing area one DTVThere is as follows problem after sale in user terminal: Beijing high definition platform all leaks platform. Occur this after sale the reason of problem be: Beijing networkBy the ServiceType(COS in the SDT table of high-definition program) be defined as user-defined type 0xf9(wherein at DVBIn standard, 0x80 ~ 0xfe is User Defined, the audio frequency and video business that 0x01 is standard, 0x02 is broadcasting service). According to orderThe way of front digital television standard, system, in tuning process, if recognize the ServiceType of the business in SDT table isWhen 0x01 or 0x02, think that this business is audio/video program or broadcast program; Because digital television software system cannot be largeMeasure the privately owned self-defining data (such as Beijing song China) of compatible operator, the business in system identification is shown to current network SDTWhen type is User Defined (0x80 ~ 0xfe), think that this program is invalid, select to abandon, finally cause leaking platform.
In prior art, television manufacturer is processed DTV, and the flow process of problem is very loaded down with trivial details after sale. With reference to Fig. 1, Fig. 1 is existingThere is television manufacturer in technology to process DTV problem one embodiment schematic flow sheet after sale. As shown in Figure 1, Fig. 1 has described existingHave one of the technology solution flow process of problem after sale comparatively smoothly, wherein step 2 ~ 10th, provides after sale problem code stream to research and developmentProcess, step 11 must just can be carried out after above-mentioned steps completes, and researches and develops engineer and must receive after problem code stream, processAnalysis modify software, and then solve corresponding problem; What therefore the solution of each problem must be through as shown in Figure 1 is everyA step, because step 2 ~ 10 are not the process of really dealing with problems and be only the process of obtaining code stream, but this processBut unusual elapsed time, and in the time that the distance between manufacturer and problem spot is distant, research and development engineer may need in personGo to deal with problems to each problem spot, spent a large amount of manpower and materials, workout cost is higher, the efficiency of dealing with problemsRelatively low. Exist even worse situation to be exactly: the technological know-how that possesses due to technical staff after sale, be in environment andThere is larger difference in the angle of problem analysis, cause whole flow process of dealing with problems after sale, quality, three links of research and development be anti-Multiple switching, causes a large amount of wastes of resource and time.
Summary of the invention
Main purpose of the present invention is to provide a kind of method for processing program information and device, is intended to search for and analyzes local numberThe PSI/SI data of word TV user, for the problem after sale that solves the DTV relevant to PSI/SI data provides foundation, carryHigh DTV is the solution efficiency of problem after sale, increases the accumulation to data in domestic digital TV network environment, improves numeralTV functions.
The invention provides a kind of method for processing program information, comprise the following steps:
According to preset filter condition, it is entrained at the code stream of current network environment that data collection device is collected user terminalPSI/SI data;
Data transmitter by described PSI/SI transfer of data to data-analyzing machine;
Described data-analyzing machine is processed described PSI/SI data preserve.
Preferably, described data collection device is collected user terminal at the entrained PSI/SI number of the code stream of current network environmentAccording to step specifically comprise:
Obtain described user terminal entrained PSI/SI data in the code stream of current network environment;
According to described preset filter condition, collect respectively the data of different information tables in described PSI/SI data;
The data of collected different information tables are named respectively and preserved with the form of initialize format file;
By PSI/SI data entirety file of whole described initialize format file boil down tos.
Preferably, described data transmitter specifically comprises described PSI/SI transfer of data to the step of data-analyzing machine:
Judge whether accessing Internet of described user terminal;
If so, by described PSI/SI data upload to data-analyzing machine;
If not, described PSI/SI data are copied to storage medium, and according to preset transmission means by described PSI/SIData upload is to data-analyzing machine.
Preferably, the step that described data-analyzing machine is processed described PSI/SI data preserve specifically comprises:
The overall file that described PSI/SI data are formed carries out decompress(ion), reads respectively described initialize format file;
According to MPTS Process identifier and form identifier, described PSI/SI data are classified, and deposit correspondence inBuffering area;
Each data field in the information table carrying for the PSI/SI data of sorted each type composes respectively oneIndividual key assignments, and the establishment Hash table corresponding with described PSI/SI data type, described key assignments is stored in described Hash table;
According to current PSI/SI data type, call corresponding parsing interface, resolve current PSI/SI data, and described in inciting somebody to actionPSI/SI data and the corresponding title of described PSI/SI data deposit corresponding Hash table in;
Described Hash table is kept in database.
Preferably, the step that described data-analyzing machine is processed described PSI/SI data preserve also comprises:
When application program accessing database, according to described Hash table obtain specified type PSI/SI data and will described inPSI/SI data show.
The present invention also discloses a kind of apparatus for processing program information, and described apparatus for processing program information comprises:
Data collection device, for according to preset filter condition, collects user terminal and takes at the code stream of current network environmentThe PSI/SI data of band;
Data transmitter, for by described PSI/SI transfer of data to data-analyzing machine;
Data-analyzing machine, for processing described PSI/SI data preserve.
Preferably, described data collection implement body comprises:
Data acquisition module, for obtaining described user terminal at the entrained PSI/SI of the code stream of current network environmentData;
Data gathering module, for according to described preset filter condition, collects respectively different letters in described PSI/SI dataThe data of breath table;
Data preserve module, for the data of collected different information tables being named respectively and with initialize format fileForm is preserved;
Data compressing module, for by PSI/SI data of whole described initialize format file boil down tos entirety file.
Preferably, described data transmitter specifically comprises:
Network judge module, for judging whether accessing Internet of described user terminal;
Network delivery module, for when the described user terminal accessing Internet, by described PSI/SI data upload to numberDevice according to one's analysis;
Medium transfer module, in the time that described user terminal does not access network, is copied to described PSI/SI dataStorage medium, and according to preset transmission means by described PSI/SI data upload to data-analyzing machine.
Preferably, described data analysis implement body comprises:
Decompress(ion) read module, carries out decompress(ion) for the overall file that described PSI/SI data are formed, and reads respectively instituteState initialize format file;
Classification memory module, for according to MPTS Process identifier and form identifier, enters described PSI/SI dataRow classification, and deposit corresponding buffering area in;
Hash shows creation module, is used to every in the information table that the PSI/SI data of sorted each type carryOne data field is composed respectively a key assignments, and the establishment Hash table corresponding with described PSI/SI data type, described key assignments storageIn described Hash table;
Resolve memory module, for according to current PSI/SI data type, call corresponding parsing interface, resolve currentPSI/SI data, and Hash table corresponding to described PSI/SI data and the corresponding title of described PSI/SI data deposit in;
Hash shows memory module, for described Hash table is kept to database.
Preferably, described data-analyzing machine also comprises:
Data acquisition display module, for when the application program accessing database, obtains specified class according to described Hash tableThe PSI/SI data of type also show described PSI/SI data.
Method for processing program information of the present invention is by according to prerequisite, and data collection device is collected at current network environmentThe PSI/SI data that code stream is entrained, after PSI/SI data, deposit described PSI/SI data and analysis result described in analyzing and processingIn database, research and development engineer searches database and can intuitively see PSI/SI data and analysis result, and without arriving objectRemove to record code stream or wait for code stream, then analyze the PSI/SI data in code stream, simplified to a certain extent and solved after saleThe flow process of problem, has improved the efficiency of dealing with problems.
Brief description of the drawings
Fig. 1 is that in prior art, television manufacturer is processed DTV PSI/SI relevant issues one embodiment flow process signal after saleFigure;
Fig. 2 is method for processing program information one embodiment schematic flow sheet of the present invention;
Fig. 3 adopts method for processing program information to process DTV PSI/SI phase after sale to television manufacturer in prior artClose the improvement of problem one embodiment schematic flow sheet;
Fig. 4 is that in method for processing program information of the present invention, data collection device is collected the code of user terminal at current network environmentFlow entrained PSI/SI data one embodiment schematic flow sheet;
Fig. 5 is network environment data collection one embodiment data flow diagram in method for processing program information of the present invention;
Fig. 6 be in method for processing program information of the present invention data transmitter by described PSI/SI transfer of data to data analysisDevice one embodiment schematic flow sheet;
Fig. 7 is PSI/SI transfer of data one embodiment data flow diagram in method for processing program information of the present invention;
Fig. 8 is that in method for processing program information of the present invention, data-analyzing machine is processed described PSI/SI data preserveThe first embodiment schematic flow sheet;
Fig. 9 is that in method for processing program information of the present invention, data-analyzing machine is processed an enforcement number of cases to PSI/SI dataAccording to flow diagram;
Figure 10 is that in method for processing program information of the present invention, data-analyzing machine is processed described PSI/SI data protectDeposit the second embodiment schematic flow sheet;
Figure 11 is apparatus for processing program information one example structure schematic diagram of the present invention;
Figure 12 is data collection device one example structure schematic diagram in apparatus for processing program information of the present invention;
Figure 13 is data transmitter one example structure schematic diagram in apparatus for processing program information of the present invention;
Figure 14 is data-analyzing machine the first example structure schematic diagram in apparatus for processing program information of the present invention;
Figure 15 is data-analyzing machine the second example structure schematic diagram in apparatus for processing program information of the present invention.
Realization, functional characteristics and the advantage of the object of the invention, in connection with embodiment, are described further with reference to accompanying drawing.
Detailed description of the invention
Further illustrate technical scheme of the present invention below in conjunction with Figure of description and specific embodiment. Should be appreciated that thisLocate described specific embodiment only in order to explain the present invention, be not intended to limit the present invention.
With reference to Fig. 2, Fig. 2 is method for processing program information one embodiment schematic flow sheet of the present invention; As shown in Figure 2, thisBright method for processing program information comprises the following steps:
Step S01, according to preset filter condition, data collection device is collected user terminal in the code stream institute of current network environmentThe PSI/SI data of carrying;
In a preferred embodiment, can be to receive the DTV information such as problem after sale that PSI/SI data are relevantAfter, according to preset filter condition, data collection device is collected user terminal at the entrained PSI/SI of the code stream of current network environmentData, can be also voluntarily according to preset filter condition, and data collection device is collected the code stream of user terminal at current network environmentEntrained PSI/SI data, to this, we are not restricted. Particularly, set TS(TransportStream, MPTS) bagPID(Processidentifier, Process identifier) as filter condition, by DTV(DigitalTeleVision,DTV) existing module demux(demultplexer) and SI engine part, data collection device is collected the current net of user terminalThe PSI/SI data of network environment, and by collected PSI/SI data taking section(section) be unit, by dissimilarPSI/SI data are kept at flash(flash memory with the form of file) in.
Step S02, data transmitter by described PSI/SI transfer of data to data-analyzing machine;
The network environment that data transmitter is current according to user terminal, passes described PSI/SI data in different waysTransport to data-analyzing machine. In a preferred embodiment, described PSI/SI data are to be sent to data analysis with the form of fileDevice. In a preferred embodiment, data transmitter can send described PSI/SI data far to by Internet protocolThe data-analyzing machine of journey main frame; Also can be copied to the data-analyzing machine of distance host as USB flash disk etc. by external equipment.
Step S03, described data-analyzing machine are processed described PSI/SI data preserve.
Data parser, by the PSI/SI data file decompress(ion) receiving, is analyzed according to DVB standard logarithmic certificate, and storageIn memory database; Application program only need to, according to data and the data type table of comparisons, can be obtained appointment from databaseThe data of type, and show.
Specifically problem one embodiment after sale occurring in conjunction with DTV, further describes programme information of the present invention processing sideMethod.
With reference to Fig. 3, Fig. 3 adopts method for processing program information to process DTV after sale to television manufacturer in prior artPSI/SI relevant issues are improved an embodiment schematic flow sheet; As shown in Figure 3, while adopting method for processing program information, system willOriginal PSI/SI data are collected with the form of file, then send to far-end work by network or other copy modesCheng Shi, far-end engineer utilizes data-analyzing machine to analyze initial data, find in SDT table ServiceType be one specialValue (0xfe), at this moment far-end engineer just can directly revise software and issue test after sale. Comparison diagram 1, Fig. 1 is prior artMiddle television manufacturer is processed DTV PSI/SI relevant issues one embodiment schematic flow sheet after sale; As shown in Figure 1, prior artProcessing this leakage platform problem needs by the time personnel after sale that corresponding problem code stream is sent to far-end engineer, like this, and far-end workCheng Shi just can analyze local network condition, finally addresses this problem by amendment digital television software; And far-end engineerThe time that the personnel after sale of waiting for send problem code stream may not know how to record other factors such as code stream due to personnel after sale andCannot determine, extend the life cycle of problem after sale.
The present embodiment method for processing program information is collected the code of user terminal at current network environment by data collection deviceFlowing entrained PSI/SI data, data transmitter will by described PSI/SI transfer of data to data-analyzing machine, data-analyzing machineThe method that described PSI/SI data are processed and preserved, has realized as solving the DTV problem relevant to PSI/SI dataThe beneficial effect of foundation is provided, has increased the accumulation to PSI/SI data in domestic digital TV network environment.
For the ease of understanding technical scheme of the present invention, describe the concrete reality of each step below in detail with specific embodimentExecute process:
With reference to Fig. 4, Fig. 4 is that in method for processing program information of the present invention, data collection device is collected user terminal in current networkThe entrained PSI/SI data one embodiment schematic flow sheet of code stream of environment; As shown in Figure 4, programme information of the present invention processing sideIn method, step S01, according to prerequisite, it is entrained at the code stream of current network environment that data collection device is collected user terminalThe step of PSI/SI data specifically comprises:
Step S11, obtain described user terminal entrained PSI/SI data in the code stream of current network environment;
By the existing module demux of DTV and SI engine part, data collection device obtains described user terminal at current netEntrained PSI/SI data in the code stream of network environment;
Step S12, according to described preset filter condition, collect respectively the number of different information tables in described PSI/SI dataAccording to; Wherein, described preset filter condition comprises filter criteria and filtration time.
With reference to Fig. 5, Fig. 5 is that in method for processing program information of the present invention, network environment data collection one embodiment data flow is shownIntention; As shown in Figure 5, for obtaining to greatest extent the data of current network, in the time filtering the PSI/SI information of current network, establishDetermine the PID of TS bag as filter criteria, filtration time is according to the maximum cycle of DVB prescribed by standard, according to the filtration mark of settingStandard and filtration time, collect respectively the data of different information tables in described PSI/SI data. In a preferred embodiment, described inInformation tables different in PSI/SI data comprise: program group is from table, Program Map Table, conditional access table, network information table, businessDescription list/bouquet set table, Event Information Table, Time of Day table/TOT Time Offset Table.
Step S13, the data of collected different information tables are named respectively and preserved with the form of initialize format file;
In a preferred embodiment, collect the data of different information tables in PSI/SI and respectively with the form of bin filePreserve, respectively to described each bin file name, comprise particularly simultaneously:
Collect pat table information, the TS bag that filtration PID is 0x0000, filter timer is set as 2 seconds, by what collectedBinary system PSI/SI data are preserved with document form, called after PAT.bin;
Collect pmt table information, filter PID and be the TS bag of the PID of the pmt table of specifying in pat table, filter timer is establishedBe decided to be 2 seconds, will collect to obtain binary number document form preservation according to this, called after PMT.bin;
Collect CAT table information, the TS bag that filtration PID is 0x0001, filter timer is set as 500 milliseconds, will collectThe binary number arriving according to this document form is preserved, called after CAT.bin;
Collect NIT table information, the TS bag that filtration PID is 0x0010, filter timer is set as 20 seconds, will collectBinary number according to this document form preserve, called after NIT.bin;
Collect SDT/BAT table information, the TS bag that filtration PID is 0x0011, filter timer is set as 10 seconds, will collectThe binary number arriving according to this document form is preserved, called after SDT/BAT.bin;
Collect EIT table information, the TS bag that filtration PID is 0x0012, filter timer is set as 10 seconds, by what collectedBinary number according to this document form is preserved, called after EIT.bin;
Collect TDT/TOT table information, the TS bag that filtration PID is 0x0014, filter timer is set as 30 seconds, will collectThe binary number arriving according to this document form is preserved, called after TDT/TOT.bin.
Step S14, by PSI/SI data of whole described initialize format file boil down tos entirety file.
The bin file packing of 7 binary system PSI/SI data that obtain in step S13 is compressed into PSI/SI dataEntirety file is for transmission; In a preferred embodiment, be PSI_ by the file designation of described PSI/SI data entiretySI.gz.tar。
In the present embodiment, data transmitter by described PSI/SI transfer of data to data-analyzing machine, described data-analyzing machineConsistent with described in previous embodiment of the step that described PSI/SI data are processed and preserved repeats no more herein. In addition,Described initialize format file can be with the transmission of any file format, as preferably, and in following embodiment, all PSI/SI to compressData entirety file is the process that example illustrates transfer of data, but technical scheme of the present invention is not limited to this.
The present embodiment method for processing program information is entrained by obtaining in the code stream of user terminal current network environmentPSI/SI data, according to described filter criteria and filtration time, collect respectively the number of different information tables in described PSI/SI dataAccording to, the data of collected different information tables are named respectively and are saved as an initialize format file, last again by allThe method that initialize format file is all packaged as a PSI/SI data entirety file, has realized and has obtained to greatest extent current netThe beneficial effect of the data of network, has increased the accumulation to PSI/SI data in domestic digital TV network environment, has improved numeralTV is the solution efficiency of problem after sale.
With reference to Fig. 6, Fig. 6 is that in method for processing program information of the present invention data transmitter is by described PSI/SI transfer of data extremelyData-analyzing machine one embodiment schematic flow sheet; As shown in Figure 6, in method for processing program information of the present invention, step S02, dataConveyer specifically comprises described PSI/SI transfer of data to the step of data-analyzing machine:
Step S21, judge whether accessing Internet of described user terminal; If so, perform step S22; If not, carry outStep S23;
Step S22, by described PSI/SI data upload to data-analyzing machine;
Step S23, described PSI/SI data are copied to storage medium, and according to preset transmission means by described PSI/SIData upload is to data-analyzing machine.
With reference to Fig. 7, Fig. 7 is PSI/SI transfer of data one embodiment data flow signal in method for processing program information of the present inventionFigure; As shown in Figure 7, data transmitter judges whether accessing Internet of described user terminal; If active user's terminal has accessed mutuallyNetworking, is uploaded to data-analyzing machine by described PSI/SI data entirety file; If active user's terminal does not have accessing Internet,Described PSI/SI data entirety file copy to storage medium (as USB flash disk) is gone up, and adopted third party software, by described PSI/SI data entirety file transfer is to data-analyzing machine.
The present embodiment method for processing program information is by according to active user's terminal, whether accessing Internet adopts differenceTransmit the method for PSI/SI data file, can improve to a certain extent the efficiency of transfer of data.
With reference to Fig. 8, Fig. 8 be in method for processing program information of the present invention data-analyzing machine by described PSI/SI data placeManage and preserve the first embodiment schematic flow sheet; As shown in Figure 8, in method for processing program information of the present invention, step S03, dataThe step that analyzer is processed described PSI/SI data preserve specifically comprises:
Step S31, the overall file that described PSI/SI data are formed carry out decompress(ion), read respectively described initialize formatFile;
With reference to above-described embodiment, the overall file that described PSI/SI data are formed is PSI_SI.gz.tar file solutionPress, read respectively 7 bin files and be PAT.bin, PMT.bin, CAT.bin, NIT.bin, SDT/BAT.bin, EIT.bin andTDT/TOT.bin, puts into buffering area by described 7 bin files; It is described that to read 7 bin files be to read according to PSI/SI standardFirst three byte, the packet reading has contained TableID and SectionLength(Section length), SectionLength is using as the foundation that reads next Section, and wherein, the first byte is TableID, and second and third byte isSectionLength and length numerical value, when reading after data, can be according to the starting point of upper data and length numerical value, choosingGet described starting point and start length value node below as starting point reading out data;
Step S32, according to TSPID and TableID, described PSI/SI data are classified, and deposit in corresponding slowRush district;
According to the difference of TSPID and TableID, described PSI/SI data are classified; In a preferred embodimentIn, described PSI/SI data are divided into 9 kinds, can be specially 9 kinds of information tables: SDT table, pat table, pmt table, NIT show, CAT shows,EIT table, TDT table, BAT table and TOT table; Wherein, NIT table comprises the NIT table of current MPTS and the NIT table of other MPTSs,EIT table comprises the EIT table of current MPTS and the EIT table of other MPTSs, and SDT table comprises the SDT table of current MPTSSDT table with other MPTSs.
Each data field in step S33, the information table that carries for the PSI/SI data of sorted each typeCompose respectively a key assignments, and the establishment Hash table corresponding with described PSI/SI data type, described key assignments is stored in described HashIn table;
Wherein, each PSI/SI data is to there being a tables of data, and described tables of data comprises multiple data fields, thisTime need to carry out assignment to each data field, after each data field being composed to a upper key assignments, be same PSI/SIAll key assignments of data type create a Hash(Hash) table, and make described PSI/SI data type relative with Hash tableShould, described Hash table can be used for the key assignments of storing data and composing; For example, in PAT information table, comprise following data field:TableID, SectionLength, Sectionnumber etc., now carry out assignment to each field respectively, as TableIDKey assignments is PAT_TableID.
Step S34, according to current PSI/SI data type, call corresponding parsing interface, resolve current PSI/SI data,And Hash table corresponding to described PSI/SI data and the corresponding title of described PSI/SI data deposit in;
According to the type of current PSI/SI information table, call the corresponding parsing interface of the type, resolve current PSI/SIData; And described PSI/SI data and the corresponding title of described PSI/SI data are kept in corresponding Hash table.
Step S35, described Hash table is kept in database.
All Hash table used in above-mentioned steps is all kept in database, is convenient to follow-up calling and looking intoAsk.
In method for processing program information of the present invention, the data flow diagram that data-analyzing machine is processed PSI/SI dataAs shown in Figure 9; With reference to Fig. 9, be that in method for processing program information of the present invention, data-analyzing machine processes one to PSI/SI dataEmbodiment data flow diagram.
The side that the present embodiment method for processing program information is processed and preserved PSI/SI data by data-analyzing machineMethod, has realized and has increased the beneficial effect to data accumulation in domestic digital TV network environment, has improved DTV and has asked after saleThe solution efficiency of topic.
With reference to Figure 10, Figure 10 is that in method for processing program information of the present invention, data-analyzing machine carries out described PSI/SI dataProcess and preserve the second embodiment schematic flow sheet; Compared with embodiment described in Fig. 8, the present embodiment has increased step S36, andAll consistent with described in Fig. 8 of all the other steps repeat no more herein. As shown in figure 10, in method for processing program information of the present invention, stepThe step that rapid S03, data-analyzing machine are processed described PSI/SI data preserve also comprises:
When step S36, application program accessing database, the PSI/SI data of obtaining specified type according to described Hash table alsoDescribed PSI/SI data are shown.
In the time that the problem after sale of solution DTV maybe needs to call PSI/SI data, application program accessing database, looks intoInquiry Hash table obtains the PSI/SI data of specified type; The corresponding title of data and data due to what store in Hash table,Therefore the method for obtaining the PSI/SI data of specified type by inquiring about Hash table is very easily; Application program gets instituteNeed PSI/SI data time, described PSI/SI data are aobvious by described PSI/SI data by corresponding display module in systemIllustrate. In the time that research and development engineer need to understand related data, can directly show by the described Hash of inquiry, and by applicationProgram obtains corresponding data, analyzes intuitively problem after sale, and without remove to record code stream to locality, and then need to be by a series ofProgram just can analyze problem after sale, simplified to a certain extent case study flow process after sale, improved and dealt with problemsEfficiency.
With reference to Figure 11, Figure 11 is apparatus for processing program information one example structure schematic diagram of the present invention; As shown in figure 11, originallyInvention apparatus for processing program information comprises:
Data collection device 01, for according to preset filter condition, collects the code stream institute of user terminal at current network environmentThe PSI/SI data of carrying;
In a preferred embodiment, data collection device 01 can be to receive the DTV that PSI/SI data are relevant to sellAfter the information such as rear problem, according to preset filter condition, data collection device 01 is collected the code stream of user terminal at current network environmentEntrained PSI/SI data, can be also voluntarily according to preset filter condition, and data collection device is collected user terminal currentThe entrained PSI/SI data of code stream of network environment, to this, we are not restricted. Particularly, the PID that sets TS bag is as mistakeFilter condition, by the existing module demux of DTV and SI engine part, data collection device 01 is collected user terminal current network ringThe entrained PSI/SI data of code stream in border, and by collected PSI/SI data taking section as unit, by dissimilarPSI/SI data be kept in flash with the form of file.
Data transmitter 02, for by described PSI/SI transfer of data to data-analyzing machine;
Particularly, the network environment that data transmitter 02 is current according to user terminal, described in inciting somebody to action in different waysPSI/SI transfer of data is to data-analyzing machine. In a preferred embodiment, described PSI/SI data are to pass with the form of fileDeliver to data-analyzing machine. In another preferred embodiment, described in data transmitter 02 can be incited somebody to action by Internet protocolPSI/SI data send the data-analyzing machine of distance host to; Also can be copied to distance host as USB flash disk etc. by external equipmentData-analyzing machine.
Data-analyzing machine 03, for processing described PSI/SI data preserve. Wherein, data parser 03 will connectThe PSI/SI data file decompress(ion) of receiving, analyzes according to DVB standard logarithmic certificate, and is stored in memory database; Application journeyOrder only need to, according to data and the data type table of comparisons, can be obtained the data of specified type from database, and shows.
The present embodiment apparatus for processing program information is collected the code of user terminal at current network environment by data collection deviceFlowing entrained PSI/SI data, data transmitter will by described PSI/SI transfer of data to data-analyzing machine, data-analyzing machineThe method that described PSI/SI data are processed and preserved, has realized as solving the DTV problem relevant to PSI/SI dataThe beneficial effect of foundation is provided, has increased the accumulation to PSI/SI data in domestic digital TV network environment.
With reference to Figure 12, Figure 12 is data collection device one example structure schematic diagram in apparatus for processing program information of the present invention;As shown in figure 12, in apparatus for processing program information of the present invention, data collection device 01 specifically comprises:
Data acquisition module 011, entrained at the code stream of current network environment for obtaining described user terminalPSI/SI data;
By the existing module demux of DTV and SI engine part, data acquisition module 011 obtains described user terminal and existsEntrained PSI/SI data in the code stream of current network environment;
Data gathering module 012, for according to described preset filter condition, collects respectively in described PSI/SI dataThe data of different information tables; Wherein, described preset filter condition comprises filter criteria and filtration time.
With reference to Fig. 5, it is network environment data collection one embodiment data flow signal in method for processing program information of the present inventionFigure; As shown in Figure 5, for obtaining to greatest extent the data of current network, in the time filtering the PSI/SI information of current network, setThe PID of TS bag is as filter criteria, and filtration time is according to the maximum cycle of DVB prescribed by standard, data gathering module 012 basisFilter criteria and the filtration time set, collect respectively the data of different information tables in described PSI/SI data. Preferred oneIn embodiment, in described PSI/SI data, different information tables comprises: program group is from table, Program Map Table, conditional access table, netNetwork information table, SDT Service Description Table/bouquet set table, Event Information Table, Time of Day table/TOT Time Offset Table.
Data are preserved module 013, for the data of different information tables of collecting being named respectively and with initialize format fileForm preserve;
In a preferred embodiment, data preservation module 013 is collected data the difference of different information tables in PSI/SIForm with bin file is preserved, and respectively to described each bin file name, comprises particularly simultaneously:
Collect pat table information, the TS bag that filtration PID is 0x0000, filter timer is set as 2 seconds, by what collectedBinary system PSI/SI data are preserved with document form, called after PAT.bin;
Collect pmt table information, filter PID and be the TS bag of the PID of the pmt table of specifying in pat table, filter timer is establishedBe decided to be 2 seconds, will collect to obtain binary number document form preservation according to this, called after PMT.bin;
Collect CAT table information, the TS bag that filtration PID is 0x0001, filter timer is set as 500 milliseconds, will collectThe binary number arriving according to this document form is preserved, called after CAT.bin;
Collect NIT table information, the TS bag that filtration PID is 0x0010, filter timer is set as 20 seconds, will collectBinary number according to this document form preserve, called after NIT.bin;
Collect SDT/BAT table information, the TS bag that filtration PID is 0x0011, filter timer is set as 10 seconds, will collectThe binary number arriving according to this document form is preserved, called after SDT/BAT.bin;
Collect EIT table information, the TS bag that filtration PID is 0x0012, filter timer is set as 10 seconds, by what collectedBinary number according to this document form is preserved, called after EIT.bin;
Collect TDT/TOT table information, the TS bag that filtration PID is 0x0014, filter timer is set as 30 seconds, will collectThe binary number arriving according to this document form is preserved, called after TDT/TOT.bin.
Data compressing module 014, for by PSI/SI data of whole described initialize format file boil down tos entirety literary compositionPart. Wherein, described data compressing module 014 is preserved data the bin literary composition of 7 binary system PSI/SI data that module 013 obtainsPart is packaged into a PSI/SI data entirety file and is convenient to transmission; In a preferred embodiment, data compressing module 014 is by instituteStating the file designation of PSI/SI data entirety is PSI_SI.gz.tar.
The present embodiment apparatus for processing program information is entrained by obtaining in the code stream of user terminal current network environmentPSI/SI data, according to described filter criteria and filtration time, collect respectively the number of different information tables in described PSI/SI dataAccording to, the data of collected different information tables are named respectively and are saved as an initialize format file, last again by allThe method that initialize format file is all packaged as a PSI/SI data entirety file, has realized and has obtained to greatest extent current netThe beneficial effect of the data of network, has increased the accumulation to PSI/SI data in domestic digital TV network environment, has improved numeralTV is the solution efficiency of problem after sale.
With reference to Figure 13, Figure 13 is data transmitter one example structure schematic diagram in apparatus for processing program information of the present invention;As shown in figure 13, in apparatus for processing program information of the present invention, data transmitter 02 specifically comprises:
Network judge module 021, for judging whether accessing Internet of described user terminal;
Network delivery module 022, for when the described user terminal accessing Internet, by described PSI/SI data upload extremelyData-analyzing machine;
Medium transfer module 023, in the time that described user terminal does not access network, by described PSI/SI data copyTo storage medium, and according to preset transmission means by described PSI/SI data upload to data-analyzing machine.
With reference to Fig. 7, Fig. 7 is PSI/SI transfer of data one embodiment data flow signal in method for processing program information of the present inventionFigure; As shown in Figure 7, the network judge module 021 of data transmitter 02 judges whether accessing Internet of described user terminal; If work asFront user terminal has accessed internet, and network delivery module 022 is uploaded to data by described PSI/SI data entirety file and dividesParser; If active user's terminal does not have accessing Internet, medium transfer module 023 is copied described PSI/SI data entirety fileShellfish is upper to storage medium (as USB flash disk), and adopts third party software, by described PSI/SI data entirety file transfer to data analysisDevice.
The present embodiment apparatus for processing program information is by according to active user's terminal, whether accessing Internet adopts differenceTransmit the method for PSI/SI data file, improved to a certain extent the efficiency of transfer of data.
With reference to Figure 14, Figure 14 is data-analyzing machine the first example structure signal in apparatus for processing program information of the present inventionFigure; As shown in figure 14, in apparatus for processing program information of the present invention, data-analyzing machine 03 specifically comprises:
Decompress(ion) read module 031, carries out decompress(ion) for the overall file that described PSI/SI data are formed, and reads respectivelyDescribed initialize format file;
The overall file decompress(ion) that decompress(ion) read module 031 forms described PSI/SI data, reads respectively described presetFormatted file; In a preferred embodiment, particularly, decompress(ion) read module 031 by described PSI/SI data entirety filePSI_SI.gz.tar file decompress(ion), read respectively 7 bin files and be PAT.bin, PMT.bin, CAT.bin, NIT.bin,SDT/BAT.bin, EIT.bin and TDT/TOT.bin, put into buffering area by described 7 bin files; Describedly read 7 bin literary compositionsPart is to read first three byte according to PSI/SI standard, and the packet reading has contained TableID and SectionLength(Section length), SectionLength is using as the foundation that reads next Section, and wherein, the first byte isTableID, second and third byte is SectionLength and length numerical value, when reading after data, can be according to upper oneThe starting point of bar data and length numerical value, choose described starting point and start length value node below as starting point reading out data;
Classification memory module 032, for according to TSPID and TableID, classifies described PSI/SI data, andDeposit corresponding buffering area in;
Classification memory module 032 is classified described PSI/SI data according to the difference of TSPID and TableID; ?In one preferred embodiment, described PSI/SI data are divided into 9 kinds, are specially: SDT table, pat table, pmt table, NIT table, CATTable, EIT table, TDT table, BAT table and TOT table; Wherein, NIT table comprises the NIT table of current MPTS and the NIT of other MPTSsTable, EIT table comprises the EIT table of current MPTS and the EIT table of other MPTSs, SDT table comprises the SDT of current MPTSThe SDT table of table and other MPTSs.
Hash shows creation module 033, is used in the information table that the PSI/SI data of sorted each type carryEach data field compose respectively a key assignments, and the establishment Hash corresponding with described PSI/SI data type table, described key assignmentsBe stored in described Hash table;
Wherein, each PSI/SI data is to there being a tables of data, and described tables of data comprises multiple data fields, thisTime Hash table creation module 033 need to carry out assignment to each data field; When Hash table creation module 033 is to each dataAfter field is composed a key assignments, for all key assignments of same PSI/SI data type create a Hash table, and make instituteState PSI/SI data type corresponding with Hash table, described Hash table can be used for the key assignments of storing data and composing; For example, existIn PAT information table, comprise following data field: TableID, SectionLength, Sectionnumber etc., now distinguishEach field is carried out to assignment, if the key assignments of TableID is PAT_TableID.
The PSI/SI data type of classifying according to classification memory module 032, Hash table creation module 033 is sorted everyA kind of PSI/SI data type is composed respectively a key assignments, and it is relevant to each PSI/SI data type to create this PSI/SI data typeThe corresponding Hash of the key assignments table of connection, i.e. the key assignments table of PSI/SI data type and the corresponding title of these data, for storing dataThe key assignments corresponding with described data;
Resolve memory module 034, for according to current PSI/SI data type, call corresponding parsing interface, resolve and work asFront PSI/SI data, and Hash table corresponding to described PSI/SI data and the corresponding title of described PSI/SI data deposit in;
Resolve memory module 034 according to the type of current PSI/SI information table, call the corresponding parsing interface of the type,Resolve current PSI/SI data; And described PSI/SI data and the corresponding title of described PSI/SI data are kept at correspondingIn Hash table.
Hash shows memory module 035, for described Hash table is kept to database.
Hash table memory module 035 is all kept at all Hash tables used in database, is convenient to follow-up callingAnd inquiry.
In apparatus for processing program information of the present invention, the data flow signal that data-analyzing machine 03 is processed PSI/SI dataFigure as shown in Figure 9; With reference to Fig. 9, be that in method for processing program information of the present invention, data-analyzing machine is processed PSI/SI dataOne embodiment data flow diagram.
The side that the present embodiment apparatus for processing program information is processed and preserved PSI/SI data by data-analyzing machineMethod, has realized and has increased the beneficial effect to data accumulation in domestic digital TV network environment, has improved DTV and has asked after saleThe solution efficiency of topic.
With reference to Figure 15, it is data-analyzing machine the second example structure schematic diagram in apparatus for processing program information of the present invention. WithEmbodiment described in Figure 14 compares, and difference is, the present embodiment has also comprised data acquisition display module 036, and all the other knotsStructure is consistent with the embodiment described in Figure 14, repeats no more herein. As shown in figure 15, in apparatus for processing program information of the present invention, numberDevice 03 also comprises according to one's analysis:
Data acquisition display module 036, for when the application program accessing database, obtains appointment according to described Hash tableThe PSI/SI data of type also show described PSI/SI data.
In the time that the problem after sale of solution DTV maybe needs to call PSI/SI data, application program accessing database, numberAccording to the PSI/SI data of obtaining display module 036 and inquire about Hash table and obtain specified type; Due to storage in Hash table is dataWith the corresponding title of data, the method for therefore obtaining the PSI/SI data of specified type by inquiring about Hash table is very convenient; When application program gets needed PSI/SI data, data acquisition display module 036 shows described PSI/SI dataOut. In the time that research and development engineer need to understand related data, can directly show by the described Hash of inquiry, and by application journeyOrder obtains corresponding data, analyzes intuitively problem after sale, and without remove to record code stream to locality, and then need to be by a series ofProgram just can be analyzed problem after sale, has simplified to a certain extent case study flow process after sale, has improved the effect of dealing with problemsRate.
The side that the present embodiment apparatus for processing program information is processed and preserved PSI/SI data by data-analyzing machineMethod, has realized and has increased the beneficial effect to data accumulation in domestic digital TV network environment, has improved DTV and has asked after saleThe solution efficiency of topic, the perfect function of DTV.
The foregoing is only the preferred embodiments of the present invention, not thereby limit its scope of the claims, everyly utilize the present inventionThe equivalent structure that description and accompanying drawing content are done or the conversion of equivalent flow process, be directly or indirectly used in other relevant technology necksTerritory, is all in like manner included in scope of patent protection of the present invention.
Claims (6)
1. a method for processing program information, is characterized in that, comprises the following steps:
According to preset filter condition, data collection device is collected user terminal at the entrained PSI/SI of the code stream of current network environmentData;
It specifically comprises:
Obtain described user terminal entrained PSI/SI data in the code stream of current network environment;
According to described preset filter condition, collect respectively the data of different information tables in described PSI/SI data;
The data of collected different information tables are named respectively and preserved with the form of initialize format file;
By PSI/SI data entirety file of whole described initialize format file boil down tos;
Data transmitter by described PSI/SI transfer of data to data-analyzing machine;
Described data-analyzing machine is processed described PSI/SI data preserve;
The step that described data-analyzing machine is processed described PSI/SI data preserve specifically comprises:
The overall file that described PSI/SI data are formed carries out decompress(ion), reads respectively described initialize format file;
According to MPTS Process identifier and form identifier, described PSI/SI data are classified, and deposit corresponding delaying inRush district;
Each data field in the information table carrying for the PSI/SI data of sorted each type is composed respectively a keyValue, and the establishment Hash table corresponding with described PSI/SI data type, described key assignments is stored in described Hash table;
According to current PSI/SI data type, call corresponding parsing interface, resolve current PSI/SI data, and by described PSI/SI data and the corresponding title of described PSI/SI data deposit corresponding Hash table in;
Described Hash table is kept in database.
2. method for processing program information according to claim 1, is characterized in that, described data transmitter is by described PSI/SI transfer of data to the step of data-analyzing machine specifically comprises:
Judge whether accessing Internet of described user terminal;
If so, by described PSI/SI data upload to data-analyzing machine;
If not, described PSI/SI data are copied to storage medium, and according to preset transmission means by described PSI/SI dataBe uploaded to data-analyzing machine.
3. method for processing program information according to claim 1, is characterized in that, described data-analyzing machine is by described PSI/The step that SI data are processed and preserved also comprises:
When application program accessing database, obtain the PSI/SI data of specified type and by described PSI/SI according to described Hash tableData show.
4. an apparatus for processing program information, is characterized in that, comprising:
Data collection device, for according to preset filter condition, collects user terminal entrained at the code stream of current network environmentPSI/SI data; Described data collection implement body comprises:
Data acquisition module, for obtaining described user terminal at the entrained PSI/SI number of the code stream of current network environmentAccording to;
Data gathering module, for according to described preset filter condition, collects respectively different information tables in described PSI/SI dataData;
Data are preserved module, for the data of collected different information tables being named respectively and with the form of initialize format filePreserve;
Data compressing module, for by PSI/SI data of whole described initialize format file boil down tos entirety file;
Data transmitter, for by described PSI/SI transfer of data to data-analyzing machine;
Data-analyzing machine, for processing described PSI/SI data preserve;
Described data analysis implement body comprises:
Decompress(ion) read module, carries out decompress(ion) for the overall file that described PSI/SI data are formed, and reads respectively described pre-Put formatted file;
Classification memory module, for according to MPTS Process identifier and form identifier, divides described PSI/SI dataClass, and deposit corresponding buffering area in;
Hash shows creation module, is used to each number in the information table that the PSI/SI data of sorted each type carryCompose respectively a key assignments according to field, and the establishment Hash table corresponding with described PSI/SI data type, described key assignments is stored in instituteState in Hash table;
Resolve memory module, for according to current PSI/SI data type, call corresponding parsing interface, resolve current PSI/SIData, and Hash table corresponding to described PSI/SI data and the corresponding title of described PSI/SI data deposit in;
Hash shows memory module, for described Hash table is kept to database.
5. apparatus for processing program information according to claim 4, is characterized in that, described data transmitter specifically comprises:
Network judge module, for judging whether accessing Internet of described user terminal;
Network delivery module, for when the described user terminal accessing Internet, divides described PSI/SI data upload to dataParser;
Medium transfer module, in the time that described user terminal does not access network, is copied to storage by described PSI/SI dataMedium, and according to preset transmission means by described PSI/SI data upload to data-analyzing machine.
6. apparatus for processing program information according to claim 4, is characterized in that, described data-analyzing machine also comprises:
Data acquisition display module, for when the application program accessing database, obtains specified type according to described Hash tablePSI/SI data also show described PSI/SI data.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102075804A (en) * | 2010-12-29 | 2011-05-25 | 青岛海信宽带多媒体技术有限公司 | Method and device for acquiring SI data |
| CN102262532A (en) * | 2011-06-28 | 2011-11-30 | 广东中大讯通软件科技有限公司 | System of high-definition digital set-top box |
| CN102291592A (en) * | 2011-07-29 | 2011-12-21 | 冠捷显示科技（厦门）有限公司 | Method for collecting self-checking failure information of television by using external storage medium |
| CN102421005A (en) * | 2011-11-22 | 2012-04-18 | 广州中大电讯科技有限公司 | Embedded type based code stream analysis system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102075804A (en) * | 2010-12-29 | 2011-05-25 | 青岛海信宽带多媒体技术有限公司 | Method and device for acquiring SI data |
| CN102262532A (en) * | 2011-06-28 | 2011-11-30 | 广东中大讯通软件科技有限公司 | System of high-definition digital set-top box |
| CN102291592A (en) * | 2011-07-29 | 2011-12-21 | 冠捷显示科技（厦门）有限公司 | Method for collecting self-checking failure information of television by using external storage medium |
| CN102421005A (en) * | 2011-11-22 | 2012-04-18 | 广州中大电讯科技有限公司 | Embedded type based code stream analysis system |
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