CN1863212A - Implementing method of distributed middleware system based on IP data network - Google Patents
Implementing method of distributed middleware system based on IP data network Download PDFInfo
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- CN1863212A CN1863212A CN 200610034994 CN200610034994A CN1863212A CN 1863212 A CN1863212 A CN 1863212A CN 200610034994 CN200610034994 CN 200610034994 CN 200610034994 A CN200610034994 A CN 200610034994A CN 1863212 A CN1863212 A CN 1863212A
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Abstract
The invention relates to a method for implementing distributed middleware system based on IP data network, belonging to the digital TV middleware technical field, not only implementing that application can operate independent of hardware and operating system of digital TV receiving terminal, achieving the application is independent of the platform of the digital TV receiving terminal, but also implementing the application need not downloading to the platform of the digital TV receiving terminal for operating, achieving the application is not limited by hardware resources of the digital TV receiving terminal. And its technical solution: it constructs the middleware system by two-way IP data network, application server and digital TV receiving terminal by design method of integrating layered structure with modularization. And the distributed middleware system is composed of four-layer structure, in turn comprising terminal adaptation layer, cooperation layer, intermediate layer and application layer, where the digital TV receiving terminal bears the terminal adaptation layer and cooperation layer and the application server bears the cooperation layer, intermediate layer and application layer.
Description
Technical field
The present invention relates to a kind of implementation method of the distributed middleware system based on the IP data network, relate in particular to implementation method, belong to Digital Television middleware Technology field based on the distributed middleware system of two-way IP data transmission network, application server and receiving terminal for digital television.
Background technology
Existing middleware in the digital TV field is just realized (as the MHP middleware standard) on receiving terminal for digital television.The Digital Television middleware just is based on the hardware and the Drive Layer of receiving terminal for digital television and sets up independently digital television business execution platform, makes various application to move on different receiving terminal for digital television hardware platforms.But because the memory space and the data operation limited processing ability of receiving terminal for digital television hardware makes it can't move the demanding application program of many hardware resources at all however.Therefore, the application program that can carry based on the middleware system of receiving terminal for digital television still is under many restrictions, thereby can't satisfy the higher recreational requirement of digital cable customers.
The present invention is exactly at based on the deficiency of the existing middleware Technology of receiving terminal for digital television and the solution that proposes.
Summary of the invention
The present invention proposes the implementation method based on the distributed middleware system of IP data network, the information content and the demanding application program of operation hardware resource that can assist receiving terminal for digital television to realize that storage is a large amount of solve the problem based on the existing middleware Technology existence of receiving terminal for digital television.
The present invention makes the problems referred to above be solved by the following technical programs.Based on application server for storage and data operation disposal ability, the data in real time transmittability of IP network and the audio frequency and video image-capable of receiving terminal for digital television, adopt the method for designing of a kind of level type framework and modular combination, provide a kind of application to need not to download to the running environment that receiving terminal for digital television just can be carried out and control, make easier upgrading of middleware system and expansion.
Describe technical scheme of the present invention below in detail.
The implementation method based on the distributed middleware system of IP data network that the present invention proposes is to make up middleware system jointly by two-way IP data networking, application server and receiving terminal for digital television.Move application program and the storage bulk information content that various receiving terminal for digital television can't carry by application server, and the user that the real-time response receiving terminal for digital television is uploaded by the IP data transmission network imports.And receiving terminal for digital television is only resolved the image of output application server by the passback of IP data transmission network, literal, Voice ﹠ Video etc. immediately.It has not only realized using the hardware and the operating system that can be independent of receiving terminal for digital television, reaches the target of application and receiving terminal for digital television platform independence.And realized that application need not to download to the operation of receiving terminal for digital television platform, reaches the target that application is not subjected to receiving terminal for digital television platform hardware resource limit.
The distributed middleware system based on the IP data network that the present invention proposes is made up of four-layer structure, respectively is terminal adaptation layer, collaboration layer, intermediate layer, application layer; Wherein receiving terminal for digital television carries terminal adaptation layer and collaboration layer, application server carrying collaboration layer, intermediate layer, application layer.
1) terminal adaptation layer: this layer only operates on the receiving terminal for digital television, the hardware environment of its abstract receiving terminal for digital television.Method of the present invention has defined unified standard adaptable interface, can make middleware system of the present invention can adapt to different receiving terminal for digital television platforms.
The terminal adaptation layer comprises following software module:
● operating system module
● memory management module
● the terminal configuration module
● the terminal storage module
● tuning/demodulation module
● the graphics driver module
● the audio decoder module
● the video decode mould is determined
● terminal use's input module
2) collaboration layer: this layer moves on receiving terminal for digital television and application server respectively, realizes interaction data real-time transmission of information between application server and the receiving terminal for digital television by the IP data network.This layer is responsible for the user on the receiving terminal for digital television is imported instantaneous transmission to application server, and application server is finished the result that the user imports response is back to receiving terminal for digital television.This layer also is responsible for resolving the data message of application server passback and is exported by the terminal adaptation layer on the receiving terminal for digital television in addition.In order to guarantee the collaboration layer safety of data transmission, adopt SSL SSL ciphered data information.
Collaboration layer comprises following software module:
● data message encapsulation/parsing module
● the data information transfer module
3) intermediate layer: this layer only operates on the application server, and is structured on the collaboration layer.The dispatching management of the application program of the responsible application layer of this layer, and the application programming interface of standard is provided to application program.
The intermediate layer comprises following software module:
● the terminal configuration module
● tuning/demodulation module
● the graphics driver module
● the audio decoder module
● the video decode mould is determined
● terminal use's input module
● application program dispatching management module
4) application layer: this layer only operates on the application server, and is structured on the intermediate layer.Application layer comprises various application programs such as Web browser software, analysing stock market quotations software and network game client software etc., and various service content such as Web webpage, audio frequency, video, image and stock certificate data etc.The application program real-time response terminal use of application layer imports and operation result is back to receiving terminal for digital television by intermediate layer and collaboration layer.
The present invention has following beneficial effect:
(1) assists the demanding application program of receiving terminal for digital television operation hardware resource.
(2) assist receiving terminal for digital television storage bulk information content.
(3) realize using and the receiving terminal for digital television platform independence.
(4) realize that application need not to download to the operation of receiving terminal for digital television platform.
Description of drawings
To be described further method of the present invention by drawings and Examples below.
Fig. 1 has shown the general characteristic of the inventive method, and it depends on standard interface and Data Transport Protocol based on two-way IP data transmission network, application server and receiving terminal for digital television, but realizes the execution environment and the platform of application.
Fig. 2 has shown the complete procedure of the processing terminal user incoming event in the inventive method.It has been described from the receiving terminal for digital television transmission user and has inputed to application server, and the application program to application server is handled input and return results, and final receiving terminal for digital television is resolved and a complete process of output.
Below in conjunction with concrete embodiment the present invention is described in further detail.
Embodiment
As shown in Figure 1, receiving terminal for digital television comprises terminal adaptation layer and collaboration layer, and application server comprises collaboration layer, intermediate layer and application layer.
The terminal adaptation layer comprises: operating system module, memory management module, terminal configuration module, terminal storage module, tuning/demodulation module, graphics driver module, audio decoder module, video decode mould are determined, terminal use's input module.
● operating system module: operating system module is to be used for management thread and semaphore.Main operating system call method list:
| The title that method and flow process realize | Finishing of task |
| VxOS_CreateThread | Create a thread |
| VxOS_DestroyThread | Destroy a thread |
| VxOS_ExitThread | Withdraw from current thread |
| VxOS_WaitThread | Wait for that a thread withdraws from |
| VxOS_SleepThread | Allow thread dormancy a period of time |
| VxOS_CreateSeamphore | Create a semaphore |
| VxOS_DestroySeamphore | Destroy a semaphore |
| VxOS_WaitSeamphore | Wait for a semaphore |
| VxOS_SignalSeamphore | Discharge a semaphore |
● memory management module: the function of memory management module is the distribution and the release of managing internal memory.Main memory management call method list:
| The title that method and flow process realize | Finishing of task |
| VxMem_Malloc | The storage allocation piece |
| VxMem_Calloc | Storage allocation piece and be 0 with the memory block byte erase |
| VxMem_Realloc | Redistribute memory block |
| VxMem_Free | Discharge memory block |
● the terminal configuration module: the function of terminal configuration module is to obtain the configuration and the ability of terminal hardware resource.Main terminal configuration call method list:
| The title that method and flow process realize | Finishing of task |
| VxProfile_AvailableMemSpace | Inquiry terminal free memory size |
| VxProfile_TunerType | Inquiry terminal is tuning/the demodulation type of hardware |
| VxProfile_BackgroundSupported | Whether inquiry terminal supports background layer |
| VxProfile_StillPictureSupported | Whether inquiry terminal supports the static map lamella |
| VxProfile_BestStillPictureImage Format | The picture format that inquiry terminal static map lamella is supported preferably |
| VxProfile_VideoSupported | Whether inquiry terminal supports video layer |
| VxProfile_VideoResolution | The inquiry terminal video resolution |
| VxProfile_VideoFormat | The inquiry terminal video format |
| VxProfile_BestVideoImageFormat | The picture format that the inquiry terminal image layer is supported preferably |
| VxProfile_GraphicsSupported | Whether inquiry terminal supports graph layer |
| VxProfile_GraphicsOverlay Supported | Whether the inquiry terminal graph layer supports the figure stack |
| VxProfile_BestGraphicsImage Format | The picture format that the inquiry terminal graph layer is supported preferably |
| VxProfile_CursorSupported | Whether inquiry terminal supports cursor layer |
| VxProfile_AudioSupported | Whether inquiry terminal supports audio decoder |
| VxProfile_AudioCodec | The code/decode format that the inquiry terminal audio decoder is supported |
● the terminal storage module: the function of terminal storage module is to obtain the information of terminal storage.Main terminal storage call method list:
| The title that method and flow process realize | Finishing of task |
| VxSetting_GetServer | Obtain server ip address |
| VxSetting_GetPort | Obtain the server ip port |
| VxSetting_GetTerminalIDType | Obtain the terminal iidentification type |
| VxSetting_GetTerminalID | Obtain terminal iidentification |
● tuning/demodulation module: the function of tuning/demodulation module be provided with terminal tuning/the demodulator hardware device parameter.
Main tuning/demodulation call method list:
| The title that method and flow process realize | Finishing of task |
| VxPAL_Tune | Be provided with terminal tuning/the demodulator hardware device parameter |
● the graphics driver module: the function of graphics driver module is an operating terminal graphic hardware equipment.Main graphics driver method list:
| The title that method and flow process realize | Finishing of task |
| VxGAL_GetNumOfPlanes | Obtain graphic hardware equipment number of planes |
| VxGAL_Open | Open graphic hardware equipment plane |
| VxGAL_Close | Close graphic hardware equipment plane |
| VxGAL_GetInfo | Obtain graphic hardware equipment plane information |
| VxGAL_SetPalette | Obtain graphic hardware equipment plane palette |
| VxGAL_GetPalette | Graphic hardware equipment plane palette is set |
| VxGAL_UpdateRect | Upgrade the appointed area on graphic hardware equipment plane |
● the audio decoder module: the function of audio decoder module is an operating terminal audio decoder hardware device.Main audio-frequency decoding method list:
| The title that method and flow process realize | Finishing of task |
| VxAAL_Start | Start the audio decoder hardware device |
| VxAAL_Stop | Stop the audio decoder hardware device |
| VxAAL_Mute | Quiet audio decoder hardware device output |
| VxAAL_IsMute | Whether obtain the output of audio decoder hardware device quiet |
| VxAAL_SetVolume | Audio decoder hardware device output volume is set |
| VxAAL_GetVolume | Obtain audio decoder hardware device output volume |
| VxAAL_WriteData | To audio decoder hardware device write data |
● the video decode module: the function of video decode module is an operating terminal video decode hardware device.Main video encoding/decoding method list:
| The title that method and flow process realize | Finishing of task |
| VxVAL_VideoSetWindow | Video decode hardware device output window is set |
| VxVAL_VideoShowIFrame | Control of video decoding hardware device decoding output MPEG-2I two field picture |
● terminal use's input module: the function of terminal use's input module is to obtain the incident of terminal use with the remote controller key input.Main terminal use's input method list:
| The title that method and flow process realize | Finishing of task |
| VxEvent_Peek | Obtain the incident of terminal use's input |
Collaboration layer comprises: data message encapsulation/parsing module, data information transfer module.
The intermediate layer comprises: terminal configuration module, tuning/demodulation module, graphics driver module, audio decoder module, video decode mould are determined, terminal use's input module, application program dispatching management module.
Application layer comprises: various application programs such as Web browser software, analysing stock market quotations software and network game client software etc., and various service content such as Web webpage, audio frequency, video, image and stock certificate data etc.
As shown in Figure 2, the concrete steps of realization processing terminal user incoming event are as described below.
The first step: user's triggered digital television receive terminal remote controller key is converted to terminal use's incoming event by the terminal adaptation layer and is sent to collaboration layer;
Second step: the collaboration layer of receiving terminal for digital television is encapsulated as terminal use's incoming event the IP protocol massages and transfers to application server;
The 3rd step: the collaboration layer of application server receives the IP protocol massages, resolves to restore terminal use's incoming event and be sent to the intermediate layer;
The 4th step: the intermediate layer of application server is reduced to the receiving terminal for digital television remote controller key that the user triggers with terminal use's incoming event, and is sent to the application program of application layer;
The 5th step: the application response remote controller key of the application layer on the application server, and the application programming interface of calling the intermediate layer is returned result;
The 6th step: the intermediate layer on the application server is returned calling of application program to result and is carried out the data message encapsulation by collaboration layer;
The 7th step: the IP protocol massages that data message is packaged of the collaboration layer on the application server transfers to receiving terminal for digital television;
The 8th step: the collaboration layer on the receiving terminal for digital television receives and resolves the IP protocol massages, and calls terminal adaptation layer interface;
The 9th step: the terminal adaptation layer on the receiving terminal for digital television is to terminal presentation facility output image, literal and audio frequency and video;
In sum, the implementation method based on the distributed middleware system of IP data network has realized that application and receiving terminal for digital television platform independence and application need not to download to the target of receiving terminal for digital television platform operation.
Claims (7)
1, a kind of implementation method based on IP data network distributed middleware system, especially based on the distributed middleware system of two-way IP data network, application server and receiving terminal for digital television, it is characterized in that: be to make up middleware system jointly by two-way IP data networking, application server and receiving terminal for digital television.Move application program and the storage bulk information content that various receiving terminal for digital television can't carry by application server, and the user that the real-time response receiving terminal for digital television is uploaded by the IP data transmission network imports.And receiving terminal for digital television is only resolved the image of output application server by the passback of IP data transmission network, literal, Voice ﹠ Video etc. immediately.It has not only realized using the hardware and the operating system that can be independent of receiving terminal for digital television, reaches and uses and the receiving terminal for digital television platform independence.And realized that application need not to download to the operation of receiving terminal for digital television platform, reaches application and is not subjected to receiving terminal for digital television platform hardware resource limit.
2, a kind of implementation method according to claim 1 based on IP data network distributed middleware system, it is characterized in that: the distributed middleware system is made up of four-layer structure, respectively is terminal adaptation layer, collaboration layer, intermediate layer, application layer and content layer.Wherein receiving terminal for digital television comprises terminal adaptation layer and collaboration layer, and server end comprises collaboration layer, intermediate layer, application layer.
3, according to claim 1 and 2 described a kind of implementation methods based on IP data network distributed middleware system, it is characterized in that: the terminal adaptation layer comprises that operating system module, memory management module, terminal configuration module, terminal storage module, tuning/demodulation module, graphics driver module, audio decoder module, video decode mould are determined, terminal use's incoming event module, ICP/IP protocol stack module.
4, according to claim 1 and 2 described a kind of implementation methods based on IP data network distributed middleware system, it is characterized in that: collaboration layer comprises data message encapsulation/parsing module, data information transfer module.
5, according to claim 1 and 2 described a kind of implementation methods based on IP data network distributed middleware system, it is characterized in that: the intermediate layer comprises that terminal configuration module, tuning/demodulation module, graphics driver module, audio decoder module, video decode mould are determined, terminal use's incoming event module, application program dispatching management module.
6, a kind of implementation method according to claim 1 based on IP data network distributed middleware system, it is characterized in that: receiving terminal for digital television hardware resource configuration requirement is low, and set up applications in advance is as WEB browser, Java Virtual Machine etc.
7, a kind of implementation method according to claim 1 based on IP data network distributed middleware system, it is characterized in that: use the character library of storing on the application server by the Network Transmission text font, make receiving terminal for digital television export the literal size of demonstration and the restriction that pattern is not subjected to local storage character library.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101593127A (en) * | 2008-05-27 | 2009-12-02 | 商埃曲网络软件（上海）有限公司 | A kind of cross-platform Jave virtual machine of Digital Television middleware system |
| CN101068351B (en) * | 2007-05-25 | 2010-06-16 | 中兴通讯股份有限公司 | Mobile terminal digital television data transmitting method |
| CN101895670A (en) * | 2010-07-20 | 2010-11-24 | 深圳市茁壮网络股份有限公司 | Universal digital television middleware system |
| CN101895669A (en) * | 2010-07-20 | 2010-11-24 | 深圳市茁壮网络股份有限公司 | General middleware adaptation layer system for digital television |
| CN101588388B (en) * | 2009-05-26 | 2011-12-21 | 中国科学院软件研究所 | Service collaboration method based on distributed adaptation and system thereof |
| CN101668187B (en) * | 2009-09-29 | 2012-02-29 | 中兴通讯股份有限公司 | Video monitoring encoder middleware general purpose system and message passing method |
| CN105704578A (en) * | 2016-04-29 | 2016-06-22 | 四川长虹网络科技有限责任公司 | Remote assistance method based on intelligent television |
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2006
- 2006-04-14 CN CN 200610034994 patent/CN1863212A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101068351B (en) * | 2007-05-25 | 2010-06-16 | 中兴通讯股份有限公司 | Mobile terminal digital television data transmitting method |
| CN101593127A (en) * | 2008-05-27 | 2009-12-02 | 商埃曲网络软件（上海）有限公司 | A kind of cross-platform Jave virtual machine of Digital Television middleware system |
| CN101588388B (en) * | 2009-05-26 | 2011-12-21 | 中国科学院软件研究所 | Service collaboration method based on distributed adaptation and system thereof |
| CN101668187B (en) * | 2009-09-29 | 2012-02-29 | 中兴通讯股份有限公司 | Video monitoring encoder middleware general purpose system and message passing method |
| CN101895670A (en) * | 2010-07-20 | 2010-11-24 | 深圳市茁壮网络股份有限公司 | Universal digital television middleware system |
| CN101895669A (en) * | 2010-07-20 | 2010-11-24 | 深圳市茁壮网络股份有限公司 | General middleware adaptation layer system for digital television |
| CN105704578A (en) * | 2016-04-29 | 2016-06-22 | 四川长虹网络科技有限责任公司 | Remote assistance method based on intelligent television |
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Application publication date: 20061115 |