CN103533435B - A kind of Set Top Box and dual system communication means with dual system - Google Patents
A kind of Set Top Box and dual system communication means with dual system Download PDFInfo
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Abstract
The embodiment of the invention discloses a kind of Set Top Box and dual system communication means with dual system, by DVB system and the Android system of operation simultaneously of design on linux system, can on Set Top Box, realize DVB function and Android systemic-function simultaneously. The inventive method comprises: the control request that S1:Android system receives and analysis and Control equipment sends, obtains analysis result; S2: in the time that described analysis result is request Android systemic-function, execution step S3, in the time that described analysis result is request DVB systemic-function, performs step S4 to S6; S3: described Android system completes Android systemic-function according to described analysis result; S4: described Android system sends described analysis result to DVB system; S5: the primary module of described DVB system is resolved described analysis result, controlled order; S6: described primary module judges whether described control command meets preset rules, if carry out corresponding submodule and return to execution result according to described control command, otherwise returns to error message.
Description
Technical field
The embodiment of the present invention relates to set-top box technique field, be specifically related to a kind of Set Top Box with dual system andDual system communication means.
Background technology
In recent years, under the flourish promotion of electronic technology, many new technologies are application and teaching machine top constantlyOn box, make the function of top box of digital machine become rich and varied, high-end Set Top Box has been realized Internet video and has been broadcastPut, the service function such as video push, media play and home entertaining, there is carrying the Android of main flowThe top box of digital machine of operating system, user can select to install utility application. These make teaching machine topBox is expected to develop into home media center.
The current overwhelming majority's Android DTV STB on the market, great majority are orientated IPTV numeral asTV set-top box, can only playing network video, does not possess DVB function, and possesses DVB function machine top boxDVB function is simply imperfect. Whether existing Set Top Box, be not propping up of Android system simultaneouslyHold external equipment and share the DVB function of Set Top Box.
Thereby in the time that user need to use Android systemic-function and DVB function simultaneously, just need tool simultaneouslyStandby two carry the Set Top Box of different system, and need constantly to switch according to function, and this just gives and useVery large inconvenience is brought at family.
Summary of the invention
The embodiment of the present invention provides a kind of Set Top Box and dual system communication means with dual system, byDesign DVB system and the Android system of operation simultaneously on linux system, can be on Set Top Box simultaneouslyRealize DVB function and Android systemic-function.
The Set Top Box of dual system that what the embodiment of the present invention provided have, comprises DVB system and Android system;
Described DVB system and described Android system run on linux system;
Described DVB system is used for realizing DVB function;
Described Android system for realize Android systemic-function and be described in there is the Set Top Box of dual systemSystem operation interface is provided, and in the time receiving the request of DVB function to described DVB system request DVB meritEnergy.
Alternatively,
The network communication mode of described Android system Adoption Network socket (Socket) programming with described inDVB system interaction.
The dual system communication means that the embodiment of the present invention provides, comprising:
The control request that S1:Android system receives and analysis and Control equipment sends, obtains analysis result;
S2: in the time that described analysis result is request Android systemic-function, execution step S3, when described pointWhile analysing result for request DVB systemic-function, S4 is to S6 for execution step;
S3: described Android system completes Android systemic-function according to described analysis result;
S4: described Android system sends described analysis result to DVB system;
S5: the primary module of described DVB system is resolved described analysis result, controlled order;
S6: described primary module judges whether described control command meets preset rules, if according to described controlThe corresponding submodule of command execution also returns to execution result, otherwise returns to error message.
Alternatively,
Described control appliance comprises remote controller, smart mobile phone or panel computer.
Alternatively,
Described control command comprises seven fields, and wherein the first field represents sub-module name, and the second field is for dividingCut symbol, the 3rd field is command type, and the 4th field is decollator, and the 5th field is command context, the 6thField is decollator, and the 7th field is check sum code.
Alternatively,
Described in step, judge whether described control command meets preset rules and comprise:
Described primary module calculates data package size in described control command, obtains result of calculation;
Described primary module judges whether described check sum code equals described result of calculation, if determine described controlSystem order meets preset rules, otherwise determines that described control command does not meet preset rules.
Alternatively,
Described in step, carry out corresponding submodule and return to execution result according to described control command and comprise:
K1: described primary module judges whether the submodule of indicating in described control command exists, if carry out stepRapid K3 and K4, otherwise execution step K2;
K2: described primary module returns to the non-existent object information of module;
K3: described primary module sends described command type and described command context to described submodule;
K4: described submodule obtains and preserve the request ground of preserving in described primary module according to described control commandLocation;
K5: described submodule judges that whether described command type is correct, if execution step K7, otherwise carry outStep K 6;
K6: return command error message;
K7: described submodule judges that whether described command context is correct, if execution step K7 and step K 8,Otherwise execution step K5;
K8: described submodule is carried out corresponding content according to described command context, obtains execution result;
K9: described submodule returns to described execution result according to described request address.
In the embodiment of the present invention, the control request that first Android system receives and analysis and Control equipment sends,Obtain analysis result; In the time that described analysis result is request Android systemic-function, described Android systemComplete Android systemic-function according to described analysis result; When described analysis result is request DVB system meritWhen energy, described Android system sends described analysis result to DVB system, follows described DVB systemPrimary module resolve described analysis result, controlled order, last described primary module judges described control lifeWhether order meets preset rules, if carry out corresponding submodule and return and carry out knot according to described control commandReally, otherwise return to error message. Due to Set Top Box and the dual system communication means of the embodiment of the present invention, at LinuxIn system, designed DVB system and the Android system of operation simultaneously, Android system is this simultaneouslyBright Set Top Box provides system operation interface, can realize easily Android systemic-function, and can beCommunicate by letter to realize DVB function by Android system and DVB system while receiving the request of DVB function.
Brief description of the drawings
Fig. 1 is the Set Top Box example structure schematic diagram in the embodiment of the present invention with dual system;
Fig. 2 is dual system communication means the first embodiment flow chart in the embodiment of the present invention;
Fig. 3 is dual system communication means the second embodiment flow chart in the embodiment of the present invention;
Fig. 4 is the details flow process of step 306 in dual system communication means the second embodiment in the embodiment of the present inventionFigure.
Detailed description of the invention
The embodiment of the present invention provides a kind of Set Top Box and dual system communication means with dual system, byDesign DVB system and the Android system of operation simultaneously on linux system, can be on Set Top Box simultaneouslyRealize DVB function and Android systemic-function.
DVB (DVB, DigitalVideoBroadcasting), by DVB project maintenanceThe DTV Open Standard of a series of international recognitions. The transmission system of its standard is divided into source encoding and decodingAnd channel coding/decoding (ChannelCoding) two parts (SourceCoding).
Launcher program: the desktop start-up routine of Android system, for example android mobile phone and dull and stereotyped openingThe main interface entering after machine is exactly launcher program.
Socket: so-called " socket " is a kind of Interprocess Communication Mechanism, for describing IP address and endMouthful.
Refer to Fig. 1, the Set Top Box embodiment in the embodiment of the present invention with dual system comprises:
DVB system and Android system;
DVB system and Android system run on linux system;
DVB system is used for realizing DVB function;
Android system is for realizing Android systemic-function and providing system for the Set Top Box with dual systemOperation interface, and in the time receiving the request of DVB function to DVB system request DVB function.
In the embodiment of the present invention, the Set Top Box embodiment with dual system comprises: DVB system and AndroidSystem, and DVB system and Android system run on linux system simultaneously. Wherein DVBSystem can realize digital television function, and DVB system is relevant to DTV hard by calling on Set Top BoxPart resource, can provide digital television service for user; Android system can realize Android system meritCan, can most of android application program be installed voluntarily for user. It should be noted that above-mentioned DVBSystem is the service routine of running background, and not direct and user realizes alternately, only has user to pass through client journeyWhen order is asked the service of DVB function to it, for client provides DVB function services.
The program that first Android system default moves is commonly referred to as Launcher program, for system behaviour is providedDo interface. In embodiments of the present invention, Launcher program primary Android system is redesigned and doneFor set-top box menu interface program. After above-mentioned set-top box menu interface program enters, be not primary similarThe main interface that mobile phone is the same, but play-over TV programme, ability in the time pressing Android systemic-function Menu keyCan eject the menu of oneself developing, in menu, can find the various android application programs of installation.
Alternatively,
Network communication mode and the DVB system of Android system Adoption Network socket (Socket) programming are handed overMutually.
Between Android system and DVB system communicate by letter can Adoption Network socket (Socket) programmingNetwork communication mode, when using DVB system as a service routine, utilizes web socket (Socket)The advantage of the network communication mode of programming is: set-top box menu interface program and service routine are to operate in togetherProgram on a Set Top Box, the IP address using while communication between them is the machine loopback address, for example canTo be 127.0.0.1, just the port of two program uses is different, belongs to intercommunication, therefore existsHave or not in the situation of network is all can proper communication; And if in the situation that having network, for example, at localOff the net, the menu interface program of developing operation in external equipment for example mobile phone, flat board, PC can be led to equallyCrossing identical agreement, can be Socket agreement in the present invention, outside carrying out with the DVB system in Set Top BoxPortion's communication, makes the external equipments such as mobile phone, flat board, PC can realize DVB function, realizes mobile phone, flatOn plate, see TV programme. Concrete, under LAN, the menu interface program of exploitation on external equipment,For example operate in the menu interface program on mobile phone or flat board, can be direct by network and Socket agreementCarry out PERCOM peripheral communication with the DVB system in Set Top Box, to the service of its request DVB function, DVB systemAfter receiving the request of DVB function, return to request results to external equipment, and do not return to Android systemRequest results. For example searching programs, the DVB interface program on panel computer is by sending search to Set Top BoxRequest, and the required frequency point information of subsidiary search, after having searched for, Set Top Box will search programme information and send outGive panel computer, panel computer only need be presented at the programme information returning on screen at interface. Work as broadcastingWhen program, DVB system is a net that video data is outputed to the DVB interface program on panel computerOn network port, the DVB interface program on panel computer takes out video data from this port, then playsOut.
In the embodiment of the present invention, the Set Top Box embodiment with dual system comprises: DVB system and AndroidSystem; DVB system and Android system run on linux system; DVB system is used for realizing DVBFunction; Android system is for realizing Android systemic-function and providing and be for having the Set Top Box of dual systemSystem operation interface, and in the time receiving the request of DVB function to DVB system request DVB function. Due to thisThe Set Top Box with dual system of inventive embodiments, the DVB that has designed operation simultaneously on linux system isThe Android system of unifying, Android system provides system operation interface for Set Top Box of the present invention simultaneously,Can realize easily Android systemic-function, and can in the time receiving the request of DVB function, pass throughAndroid system and DVB system communicate by letter to realize DVB function.
Introduce the Set Top Box embodiment that the present invention has dual system above, introduced dual system of the present invention below logicalThe first embodiment of letter method, refers to Fig. 2, and in the embodiment of the present invention, first of dual system communication means implementsExample comprises:
S1, the control request that Android system receives and analysis and Control equipment sends, obtain analysis result;
After the Set Top Box of the embodiment of the present invention is opened and worked, Android system is always in waiting for request shapeState, when the control request that detects that control appliance sends, receives above-mentioned control request and it is resolved,Obtain analysis result.
S2, when analysis result is during for request Android systemic-function, execution step S3, when analysis result isWhen request DVB systemic-function, S4 is to S6 for execution step;
After obtaining analysis result, the type of discriminatory analysis result request function, when request function is AndroidWhen systemic-function, execution step S3, in the time that request function is DVB systemic-function, S4 is to S6 for execution step.
S3, Android system complete Android systemic-function according to analysis result;
After the request function of determining analysis result is Android systemic-function, Android system can according to pointAnalyse result and complete Android systemic-function, for example, can carry out the installation of Android application program, move or unloadThe each side operation such as carry.
S4, Android system send analysis result to DVB system;
After the request function of determining analysis result is DVB systemic-function, Android system is sent out to DVB systemSend the control command in analysis result. What above-mentioned control command characterized is that control appliance wishes that DVB system realizesFunction.
The primary module analytic results of S5, DVB system, controlled order;
After DVB system receives control command, the primary module of DVB system is resolved above-mentioned analysis result,And controlled order. It is passable that the primary module of above-mentioned DVB system is resolved the resolution rules of above-mentioned analysis resultBe preset at Set Top Box inside, also can in receiving and analyzing result, together receive, do not limit herein.
S6, primary module judge whether control command meets preset rules, if carry out corresponding according to control commandSubmodule and return to execution result, otherwise return to error message.
After the controlled order of primary module, can judge whether control command meets preset rules, if according to controlThe corresponding submodule of command execution processed also returns to execution result, otherwise returns to error message. Above-mentioned judgement controlWhether order meets preset rules can comprise the judgement to control command form.
In the embodiment of the present invention, the control request that first Android system receives and analysis and Control equipment sends,Obtain analysis result; In the time that analysis result is request Android systemic-function, execution step S3, AndroidSystem completes Android systemic-function according to analysis result; In the time that analysis result is request DVB systemic-function,Android system sends analysis result to DVB system, the then primary module analytic results of DVB system,Controlled order; Last primary module judges whether control command meets preset rules, if according to controlling lifeOrder is carried out corresponding submodule and is returned to execution result, otherwise returns to error message. Due to the embodiment of the present inventionDual system communication means, on linux system, designed DVB system and the Android system of operation simultaneouslySystem, Android system, for Set Top Box of the present invention provides system operation interface, can realize easily simultaneouslyAndroid systemic-function, and can in the time receiving the request of DVB function, pass through Android system and DVBThe communication of system realizes DVB function.
The first embodiment of dual system communication means of the present invention is done to simple description above, introduced this belowThe second embodiment of bright dual system communication means, refers to Fig. 3, dual system communication means in the embodiment of the present inventionThe second embodiment comprise:
301, the control request that Android system receives and analysis and Control equipment sends, obtains analysis result;
After the Set Top Box of the embodiment of the present invention is opened and worked, Android system is always in waiting for request shapeState, when the control request that detects that control appliance sends, receives above-mentioned control request and it is resolved,Obtain analysis result.
Above-mentioned control appliance can Bao Kuo Away control device, smart mobile phone or panel computer.
302, in the time that analysis result is request Android systemic-function, execution step 303, works as analysis resultDuring for request DVB systemic-function, execution step 304 to 306;
After obtaining analysis result, the type of discriminatory analysis result request function, when request function is AndroidWhen systemic-function, execution step 303, in the time that request function is DVB systemic-function, execution step 304 arrives306。
303, Android system completes Android systemic-function according to analysis result;
After the request function of determining analysis result is Android systemic-function, Android system can according to pointAnalyse result and complete Android systemic-function, for example, can carry out the installation of Android application program, move or unloadThe each side operation such as carry.
304, Android system sends analysis result to DVB system;
After the request function of determining analysis result is DVB systemic-function, Android system is sent out to DVB systemSend the control command in analysis result. What above-mentioned control command characterized is that control appliance wishes that DVB system realizesFunction.
The control interface program of DVB system, can be on Set Top Box, can be also on control appliance,Can realize and the communication function of DVB system by UDPSocket, communicating pair passes through SocketSend UDP message bag and receive UDP message bag and realize transfer of data, only need to know the other side's SocketAddress (IP address and port) can send data to the other side.
305, the primary module analytic results of DVB system, controlled order;
After DVB system receives control command, the primary module of DVB system is resolved above-mentioned analysis result,And controlled order. It is passable that the primary module of above-mentioned DVB system is resolved the resolution rules of above-mentioned analysis resultBe preset at Set Top Box inside, also can in receiving and analyzing result, together receive, do not limit herein.
Control command comprises seven fields, and wherein the first field represents sub-module name, and the second field is decollator,The 3rd field is command type, and the 4th field is decollator, and the 5th field is command context, and the 6th field isDecollator, the 7th field is check sum code. Above-mentioned decollator is additional character, is specifically as follows newline.
Above-mentioned sub-module name: sub-module name can be character string. DVB system has many different functions, exampleAs program searching, program broadcasting, performance recording, TV guide etc., different functions can be divided intoDifferent submodules, in the time sending request to DVB system, need to indicate the character string of the submodule of request,For example broadcast program submodule, sub-module name is " Play ".
Mentioned order type: command type can be the integer of 4 byte lengths. Command type indicated toCertain submodule request be which kind of order. The command type that for example broadcast program module comprises has broadcasting, stopsPlay, suspend broadcasting, the broadcasting of many pictures etc., after the various command number of being numbered with, come by command typeSpecify concrete order.
Mentioned order content: command context can be the character string of JSON form. In the time of certain order of request,Subsidiary content of parameter. For example when broadcast program, except indicating the command type of broadcast program, also need thisThe parameter that individual program is relevant, as parameters such as video PID, audio frequency PID, carrier ID. JSON be a kind of acrossPlatform data DIF, adopts JSON form transmission data, can make DVB system like a cork and differenceThe interprogram communication of programming language.
Above-mentioned check sum code: being also checksum, can be the integer of two byte lengths. It is assembling numberStatistics to data package size during according to bag. In the time receiving packet, need to calculate data package size,Then by calculate result with the comparison of check sum code, if find that both are in different size, show sendPacket wrong, then judge whether to need the other side to resend packet.
For the whether success of customer in response end request, DVB system can be in the order of the packet returningBefore appearance, add key-strings, for example, work as command context with " ERROR: " at the first bruss, show that client pleaseAsk failure, and can after the content of following, add the reason of failure; When command context is with " SUCCESS: "At the first bruss, show to ask successfully, back to back content can be the data of asking to return.
306, primary module judges whether control result meets preset rules, if carry out corresponding according to controlling resultSubmodule and return to execution result, otherwise return to error message.
After the controlled result of primary module, can judge whether control result meets preset rules, if according toControl result and carry out corresponding submodule and return to execution result, otherwise return to error message. Above-mentioned judgement controlWhether result processed meets preset rules can comprise the judgement to controlling result form.
Above-mentioned primary module judges that controlling the process whether result meet preset rules can comprise: primary module calculatesData package size in control command, obtains result of calculation; Primary module judges whether check sum code equals to calculateAs a result, if determine that controlling result meets preset rules, otherwise determine that controlling result does not meet preset rules.For example check sum code is 24, and it is 21 that primary module calculates data package size in control command, determines and controls knotFruit does not meet preset rules, now can require the other side to resend packet.
As shown in Figure 4, above-mentionedly carry out corresponding submodule and return to the process of execution result according to controlling resultCan comprise: K1: primary module judges whether the submodule of indicating in control command exists, if execution stepK3 and K4, otherwise execution step K2; K2: primary module returns to the non-existent object information of module; K3: mainModule sends command type and command context to submodule; K4: submodule obtains and preserves according to control commandThe request address of preserving in primary module; K5: submodule judges that whether command type is correct, if execution stepK7, otherwise execution step K6; K6: return command error message; K7: submodule judges that command context isNo correct, if execution step K7 and step K 8, otherwise execution step K5; K8: submodule is according to orderContent is carried out corresponding content, obtains execution result; K9: submodule returns to execution result according to request address.
In the embodiment of the present invention, the control request that first Android system receives and analysis and Control equipment sends,Obtain analysis result; In the time that analysis result is request Android systemic-function, execution step S3, AndroidSystem completes Android systemic-function according to analysis result; In the time that analysis result is request DVB systemic-function,Android system sends analysis result to DVB system, the then primary module analytic results of DVB system,Controlled order; Last primary module judges whether control command meets preset rules, if according to controlling lifeOrder is carried out corresponding submodule and is returned to execution result, otherwise returns to error message. Due to the embodiment of the present inventionDual system communication means, on linux system, designed DVB system and the Android system of operation simultaneouslySystem, Android system, for Set Top Box of the present invention provides system operation interface, can realize easily simultaneouslyAndroid systemic-function, and can in the time receiving the request of DVB function, pass through Android system and DVBThe communication of system realizes DVB function.
One of ordinary skill in the art will appreciate that all or part of step realizing in above-described embodiment method isCan carry out the hardware that instruction is relevant by program and complete, program wherein can be stored in a kind of computer-readableIn storage medium, the above-mentioned storage medium of mentioning can be read-only storage, disk or CD etc.
Above a kind of Set Top Box and dual system communication means with dual system provided by the present invention carried out in detailIntroduce, for one of ordinary skill in the art, according to the thought of the embodiment of the present invention, in specific embodiment partyIn formula and range of application, all will change, in sum, this description should not be construed as thisBright restriction.
Claims (7)
1. a Set Top Box with dual system, is characterized in that, comprises DVB system and AndroidSystem;
Described DVB system and described Android system run on linux system;
Described DVB system is used for realizing DVB function;
Described Android system for realize Android systemic-function and be described in there is the machine top of dual systemBox provides system operation interface, and in the time receiving the request of DVB function to described DVB system requestDVB function.
2. the Set Top Box with dual system according to claim 1, is characterized in that, described AndroidNetwork communication mode and the described DVB system interaction of system Adoption Network socket (Socket) programming.
3. a dual system communication means is the Set Top Box with dual system described in claim 1 or 2Middle dual system communication means, is characterized in that, comprising:
The control request that S1:Android system receives and analysis and Control equipment sends, obtains analysis result;
S2: in the time that described analysis result is request Android systemic-function, execution step S3, when describedWhen analysis result is request DVB systemic-function, S4 is to S6 for execution step;
S3: described Android system completes Android systemic-function according to described analysis result;
S4: described Android system sends described analysis result to DVB system;
S5: the primary module of described DVB system is resolved described analysis result, controlled order;
S6: described primary module judges whether described control command meets preset rules, if according to described controlThe corresponding submodule of command execution processed also returns to execution result, otherwise returns to error message;
Described preset rules is that in described control command, whether data package size equals check sum code.
4. dual system communication means according to claim 3, is characterized in that,
Described control appliance comprises remote controller, smart mobile phone or panel computer.
5. according to the dual system communication means described in claim 3 or 4, it is characterized in that,
Described control command comprises seven fields, and wherein the first field represents sub-module name, and the second field isDecollator, the 3rd field is command type, and the 4th field is decollator, and the 5th field is command context,The 6th field is decollator, and the 7th field is check sum code.
6. dual system communication means according to claim 5, is characterized in that, judges described in stepWhether described control command meets preset rules comprises:
Described primary module calculates data package size in described control command, obtains result of calculation;
Described primary module judges whether described check sum code equals described result of calculation, if described in determiningControl command meets preset rules, otherwise determines that described control command does not meet preset rules.
7. dual system communication means according to claim 5, is characterized in that, basis described in stepDescribed control command is carried out corresponding submodule and is returned to execution result and comprises:
K1: described primary module judges whether the submodule of indicating in described control command exists, if carry outStep K 3 and K4, otherwise execution step K2;
K2: described primary module returns to the non-existent object information of module;
K3: described primary module sends described command type and described command context to described submodule;
K4: described submodule obtains and preserve the request of preserving in described primary module according to described control commandAddress;
K5: described submodule judges that whether described command type is correct, if execution step K7, otherwise holdRow step K 6;
K6: return command error message;
K7: described submodule judges that whether described command context is correct, if execution step K7 and stepK8, otherwise execution step K5;
K8: described submodule is carried out corresponding content according to described command context, obtains execution result;
K9: described submodule returns to described execution result according to described request address.
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| CN112073762B (en) * | 2019-06-10 | 2022-05-06 | 聚好看科技股份有限公司 | Information acquisition method based on multi-system display equipment and multi-system display equipment |
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