CN104980803A - Autonomic middleware intelligent DVBS2 set-top-box system and processing method thereof - Google Patents
Autonomic middleware intelligent DVBS2 set-top-box system and processing method thereof Download PDFInfo
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- CN104980803A CN104980803A CN201510454536.5A CN201510454536A CN104980803A CN 104980803 A CN104980803 A CN 104980803A CN 201510454536 A CN201510454536 A CN 201510454536A CN 104980803 A CN104980803 A CN 104980803A
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- 238000003672 processing method Methods 0.000 title claims description 7
- 230000002567 autonomic effect Effects 0.000 title abstract 3
- 230000006870 function Effects 0.000 claims abstract description 16
- 230000006978 adaptation Effects 0.000 claims abstract description 14
- 239000011230 binding agent Substances 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 4
- 238000002955 isolation Methods 0.000 claims abstract description 4
- 238000012544 monitoring process Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 3
- 238000012986 modification Methods 0.000 claims description 3
- 230000004048 modification Effects 0.000 claims description 3
- 238000011022 operating instruction Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 4
- 238000007405 data analysis Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
- H04N21/4433—Implementing client middleware, e.g. Multimedia Home Platform [MHP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
- H04N21/4383—Accessing a communication channel
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/458—Scheduling content for creating a personalised stream, e.g. by combining a locally stored advertisement with an incoming stream; Updating operations, e.g. for OS modules ; time-related management operations
- H04N21/4586—Content update operation triggered locally, e.g. by comparing the version of software modules in a DVB carousel to the version stored locally
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Software Systems (AREA)
- Databases & Information Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses an autonomic middleware intelligent DVBS2 set-top-box system which comprises the components of a hardware platform in which a preset operation system is installed; an adaptation layer which is used for performing initialization adaptation and isolation between software and hardware; a middle layer which performs searching, blind scanning, information management, program menu configuration, subtitle playing, CA descrambling and background updating according to an input signal, and furthermore the middle layer is used for realizing transportability and expandability of the function; an upper layer which is used for realizing interface displaying and operation instruction input; and a Binder&JNI interface which is used for realizing conversion between the upper layer and the middle layer. The autonomic middleware intelligent DVBS2 set-top-box system can support playing of DVBS-format digital television program and furthermore can satisfy multiple common television functions, thereby better satisfying a market requirement.
Description
Technical field
The present invention relates to Set Top Box, particularly relate to a kind of autonomous middleware intelligence DVBS2 set-top-box system and processing method.
Background technology
Along with the progress of science and technology, the requirement of people to Set Top Box is also more and more higher, and in prior art, user not only requires that Set Top Box can play traditional Digital Television, it is also needed to possess the functions such as live program request, simultaneously also very high to the performance requirement of CPU, and need to support 4K2K, H.265 decode, the functions such as HDMI IN, but possess system and the hardware platform of these functions, generally do not support that DVBS standard Digital Television is play, and then cannot meet the need of market.
Summary of the invention
The technical problem to be solved in the present invention is, for the deficiencies in the prior art, DVBS standard Digital Television is play to provide one both to support, meets again autonomous middleware intelligence DVBS2 set-top-box system and the processing method of multiple common function.
For solving the problems of the technologies described above, the present invention adopts following technical scheme.
A kind of autonomous middleware intelligence DVBS2 set-top-box system, it includes: hardware platform, and it is equipped with default operating system; Adaptation layer, it for carrying out initial adaptation, and carries out software and hardware isolation; Intermediate layer, it carries out searching for according to input signal, blindly sweep, message management, configuration program guide, Subtitle play, CA descrambling and background update, and described intermediate layer is for realizing portability and the extensibility of above-mentioned functions; Upper strata, it is for realizing interface display and entering the operating instructions; Binder & JNI interface, it is for realizing the conversion on upper strata and intermediate layer.
Preferably, described hardware platform is equipped with (SuSE) Linux OS.
Preferably, described adaptation layer includes: front end, for obtaining DVBS signal, and converts thereof into TS stream; Demux module, for being decomposed by TS stream, this TS flow data can be filtered according to Filter and PID in upper strata; AV module, it is for carrying out audio frequency and video control and broadcast decoder; Demod & Tuner module, it obtains DVBS signal for controlling front end.
Preferably, described intermediate layer includes: blindly sweep module, the TP data that it exists on search of satellite; Tuning module, it is for obtaining the programme information in TS stream; Descrambling module, it is for resolving the audio frequency and video of encryption TS stream; Playing module, it is for carrying out Play Control and arranging descrambling word to audio frequency and video; Subtitle & TTX module, it is for carrying out monitoring and display in real time to Subtitle information in TS stream; EPG information module, it is for detecting EPG information, store and showing; Back-end data update module, its for detect at any time TS stream in advertising message and the rendition list modification information.
A processing method for autonomous middleware intelligence DVBS2 set-top-box system, it comprises the steps: step S1, system initialization; Step S2, obtain Demux data, when there being data to input, data backup is analyzed to intermediate layer by system automatically, and Free up Memory, continue to make bottom to upgrade new data; Step S3, the instruction that intermediate layer inputs according to upper strata, TP data are searched in conjunction with the polarity of local oscillator, antenna, 22K and DiSEqC, first polarity, 22K signal, DiSEqC, the initial frequency of beginning are set and terminate frequency, TP is searched for again by the mode of cycle detection, if search, then temporarily be saved in database, after horizon scan completes, vertically search for again, until after all having searched for, check the validity of TP, and be updated in database and be transferred in upper strata and shown, the last TP according to having searched for carrys out searching programs; Step S4, broadcast program, and before broadcast program, need to set each parameter and locked frequency point according to satellite, more each playback interface of calling system; Step S5, starts backstage Demux thread according to the frequency of Current lock and monitors EPG information in real time and whether the rendition list upgrades, as the rendition list has renewal, then and these data of background update, then resolve according to the tables of data of DVB system and store; Step S6, whether system is monitored in real time Subtitle & TTX data, if any then resolving and obtain Subtitle data according to its parameters, and shows the information obtained.
In autonomous middleware intelligence DVBS2 set-top-box system disclosed by the invention, owing to it comprises hardware platform, adaptation layer, intermediate layer, upper strata and Binder & JNI interface, and then the blind of DVBS can be realized sweep, searching programs, play, descrambling, EGP information, Subtitle & ttx, the functions such as PVR, and based on bottom layer driving, data decode, data analysis, Binder communication, JNI, multitask and thread realize, database processing, the technology such as the realization of physical layer interface and upper layer application exploitation, the present invention can be supported, and DVBS standard Digital Television is play, multiple conventional TV functions can be met again, and then meet the need of market.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention's autonomous middleware intelligence DVBS2 set-top-box system.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in more detail.
The invention discloses a kind of autonomous middleware intelligence DVBS2 set-top-box system, as shown in Figure 1, it includes hardware platform 1, adaptation layer 2, intermediate layer 3, upper strata 4 and Binder & JNI interface 5, wherein:
Hardware platform 1 is equipped with default operating system;
Adaptation layer 2 for carrying out initial adaptation, and carries out software and hardware isolation;
Intermediate layer 3 carries out searching for according to input signal, blindly sweep, message management, configuration program guide, Subtitle play, CA descrambling and background update, and described intermediate layer 3 is for realizing portability and the extensibility of above-mentioned functions;
Upper strata 4 is for realizing interface display and entering the operating instructions;
Binder & JNI interface 5 is for realizing the conversion on upper strata and intermediate layer.
In above-mentioned autonomous middleware intelligence DVBS2 set-top-box system, owing to it comprises hardware platform 1, adaptation layer 2, intermediate layer 3, upper strata 4 and Binder & JNI interface 5, and then the blind of DVBS can be realized sweep, searching programs, play, descrambling, EGP information, Subtitle & ttx, the functions such as PVR, and based on bottom layer driving, data decode, data analysis, Binder communication, JNI, multitask and thread realize, database processing, the technology such as the realization of physical layer interface and upper layer application exploitation, the present invention can be supported, and DVBS standard Digital Television is play, multiple conventional TV functions can be met again, and then meet the need of market.
In the present embodiment, described hardware platform 1 is equipped with (SuSE) Linux OS.
As a kind of optimal way of the present invention, described adaptation layer 2 includes front end, Demux module, AV module and Demod & Tuner module, wherein:
Front end for obtaining DVBS signal, and converts thereof into TS stream;
Demux module is used for TS stream to decompose, and this TS flow data can be filtered according to Filter and PID in upper strata 4;
AV module is used for carrying out audio frequency and video control and broadcast decoder;
Demod & Tuner module obtains DVBS signal for controlling front end.
About the concrete composition in intermediate layer 3, described intermediate layer 3 includes blindly sweeps module, tuning module, descrambling module, playing module, Subtitle & TTX module, EPG information module and back-end data update module, wherein:
The blind TP data of sweeping module and existing on search of satellite;
Tuning module is for obtaining the programme information in TS stream;
Descrambling module is used for resolving the audio frequency and video of encryption TS stream;
Playing module is used for carrying out Play Control to audio frequency and video and arranging descrambling word;
Subtitle & TTX module is used for carrying out monitoring and display in real time to Subtitle information in TS stream;
EPG information module is used for detecting EPG information, store and showing;
Back-end data update module is used for detecting the advertising message in TS stream and the rendition list modification information at any time.
Based on said system, the invention also discloses a kind of processing method of autonomous middleware intelligence DVBS2 set-top-box system, the method comprises the steps:
Step S1, system initialization, native system exists in the form of services in android system, when system start after, will in android booting script start up system, start to carry out some initialized work, as demod, tuner, database, search thread, EPG thread, background monitoring and monitoring thread, subtitle & TTX, Binder etc.;
Step S2, obtain Demux data, when there being data to input, data backup is analyzed to intermediate layer by system automatically, and Free up Memory, continue to make bottom to upgrade new data;
Step S3, the instruction that intermediate layer inputs according to upper strata, TP data are searched in conjunction with the polarity of local oscillator, antenna, 22K and DiSEqC, first polarity, 22K signal, DiSEqC, the initial frequency of beginning are set and terminate frequency, TP is searched for again by the mode of cycle detection, if search, then temporarily be saved in database, after horizon scan completes, vertically search for again, until after all having searched for, check the validity of TP, and be updated in database and be transferred in upper strata and shown, the last TP according to having searched for carrys out searching programs;
Step S4, broadcast program, and before broadcast program, need to set each parameter and locked frequency point according to satellite, more each playback interface of calling system;
Step S5, starts backstage Demux thread according to the frequency of Current lock and monitors EPG information in real time and whether the rendition list upgrades, as the rendition list has renewal, then and these data of background update, then resolve according to the tables of data of DVB system and store;
Step S6, whether system is monitored in real time Subtitle & TTX data, if any then resolving and obtain Subtitle data according to its parameters, and shows the information obtained.
In the present invention, because the service of Android system and upper layer application are divided into two different threads, and the language realized is also different, need to carry out communication by binder, and java and C & C++ needs to realize calling by JNI between two threads.
The present invention mainly solves and play Digital Television in android system, the functions such as what major function had a DVBS blindly sweeps, searching programs, broadcasting, descrambling, EGP information, Subtitle & ttx, PVR, the key technology that realizing these functions needs is bottom layer driving, data decode, data analysis, Binder communication, JNI, multitask and thread realizations, database processing, the realization of physical layer interface and the exploitation of upper strata android application etc.
The above is preferred embodiment of the present invention, is not limited to the present invention, all make in technical scope of the present invention amendment, equivalent to replace or improvement etc., all should be included in scope that the present invention protects.
Claims (5)
1. an autonomous middleware intelligence DVBS2 set-top-box system, is characterized in that including:
Hardware platform (1), it is equipped with default operating system;
Adaptation layer (2), it for carrying out initial adaptation, and carries out software and hardware isolation;
Intermediate layer (3), it carries out searching for according to input signal, blindly sweep, message management, configuration program guide, Subtitle play, CA descrambling and background update, and described intermediate layer (3) are for realizing portability and the extensibility of above-mentioned functions;
Upper strata (4), it is for realizing interface display and entering the operating instructions;
Binder & JNI interface (5), it is for realizing the conversion on upper strata and intermediate layer.
2. autonomous middleware intelligence DVBS2 set-top-box system as claimed in claim 1, it is characterized in that, described hardware platform (1) is equipped with (SuSE) Linux OS.
3. autonomous middleware intelligence DVBS2 set-top-box system as claimed in claim 1, it is characterized in that, described adaptation layer (2) includes:
Front end, for obtaining DVBS signal, and converts thereof into TS stream;
Demux module, for being decomposed by TS stream, upper strata (4) can filter this TS flow data according to Filter and PID;
AV module, it is for carrying out audio frequency and video control and broadcast decoder;
Demod & Tuner module, it obtains DVBS signal for controlling front end.
4. autonomous middleware intelligence DVBS2 set-top-box system as claimed in claim 3, it is characterized in that, described intermediate layer (3) include:
Blindly sweep module, the TP data that it exists on search of satellite;
Tuning module, it is for obtaining the programme information in TS stream;
Descrambling module, it is for resolving the audio frequency and video of encryption TS stream;
Playing module, it is for carrying out Play Control and arranging descrambling word to audio frequency and video;
Subtitle & TTX module, it is for carrying out monitoring and display in real time to Subtitle information in TS stream;
EPG information module, it is for detecting EPG information, store and showing;
Back-end data update module, its for detect at any time TS stream in advertising message and the rendition list modification information.
5. a processing method for autonomous middleware intelligence DVBS2 set-top-box system, is characterized in that comprising the steps:
Step S1, system initialization;
Step S2, obtain Demux data, when there being data to input, data backup is analyzed to intermediate layer by system automatically, and Free up Memory, continue to make bottom to upgrade new data;
Step S3, the instruction that intermediate layer inputs according to upper strata, TP data are searched in conjunction with the polarity of local oscillator, antenna, 22K and DiSEqC, first polarity, 22K signal, DiSEqC, the initial frequency of beginning are set and terminate frequency, TP is searched for again by the mode of cycle detection, if search, then temporarily be saved in database, after horizon scan completes, vertically search for again, until after all having searched for, check the validity of TP, and be updated in database and be transferred in upper strata and shown, the last TP according to having searched for carrys out searching programs;
Step S4, broadcast program, and before broadcast program, need to set each parameter and locked frequency point according to satellite, more each playback interface of calling system;
Step S5, starts backstage Demux thread according to the frequency of Current lock and monitors EPG information in real time and whether the rendition list upgrades, as the rendition list has renewal, then and these data of background update, then resolve according to the tables of data of DVB system and store;
Step S6, whether system is monitored in real time Subtitle & TTX data, if any then resolving and obtain Subtitle data according to its parameters, and shows the information obtained.
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Cited By (5)
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| CN105376647A (en) * | 2015-11-30 | 2016-03-02 | 福建新大陆通信科技股份有限公司 | Method for embedding set top box into android system framework |
| CN105933767A (en) * | 2016-04-20 | 2016-09-07 | 青岛海信电器股份有限公司 | Middleware device, middleware realization method and television set |
| CN109873965A (en) * | 2019-02-15 | 2019-06-11 | 广州视源电子科技股份有限公司 | Satellite television channel searching method and device and storage medium |
| CN111615001A (en) * | 2020-05-20 | 2020-09-01 | 江苏银河数字技术有限公司 | System and method applied to process communication in set top box of low-end Linux television |
| CN117255222A (en) * | 2023-11-20 | 2023-12-19 | 上海科江电子信息技术有限公司 | Digital television monitoring method, system and application |
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