DLNA协议分析与其在Android系统上的实现

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1、山东大学硕士学位论文ABSTRACTWiththedevelopmentandthespringupofthehomenetwork，theworld’Sleadingequipmentmanufacturerstodayhaveputtheirnewtechnologiesandsolutionstothedigitalhomenetwork．TheDLNA(DigitalLivingNetworkAlliance)foundedbySony，Intel，Microsoft，Hewlett-Packard，Nokia，Samsung，Philips，Panason

2、icandothercompanieshasproposedtheDLNAprotocolandtechnology．TheDLNAtechnologyhasbroadapplicationprospectswitllcompleteapplicationsolutionsandprocessofindustrializationwhichiSaheadoftheotherstandards．AndroidisaLinux—basedopen—sourceoperatingsystemreleasedbyGooglein2007．Withthefeaturesoff

3、lexible，free，opensourceandeasy—to—use，theAndroidoperatingsystemisfavoredbytheelectronicsmanufacturersatthetimeitreleased．Uptonow,theAndroidoperatingsystemhasbecomethemostcommonlyusedoperatingsystemformobilephones，TVsandotherelectronicequipment，andithasmarketsharemorethan50％intheembedde

4、dfield．BasedonthearchitectureoftheDLNAprotocolandthecharacteristicsoftheAndroidsystem，thisthesiselaboratedthebasicprinciplesofDLNA，thestructureoftheprotocol，thecoretechnologyandtheworkflow,codeimplementationinthedesignoftheAndroidoperatingsystem．Themainworksinclude：(1)Introducedthearch

5、itectureoftheDLNAprotocol，anddescribedthedevicetypewhichdefinedintheprotoc01．Thethesisanalyzedthestructuralspecification，thebasiccomponentofthecoreprotocolusingintheDLNA-themultimediamanagementprotocolUPnP(UniversalPlugandPlay)protocolandelaboratedthebasicworkflowofUPnP．(2)Introducedth

6、earchitectureoftheVideotransmissionprotocolUPnPAV(AudioandVideo)usingintheDLNAandthedevice，services，theinteractionbetweenthedevicesdefinedintheAVprotoc01．(3)In—deepstudiedtheproposaldesignandCodeImplementationofDLNA．BasedonthecharacteristicsoftheAndroidoperatingsystemandthehierarchical

7、designideaofAndroidsoftwarearchitecture，thebasicfunctionofthethreetypesofdevices(digitalmediaservers，digitalmediaplayeranddigitalmediacontroller)wereelaborated．ByIII山东大学硕士学位论文dividingthefunctionsbythemodule，theworkflowdiagramofthethreetypesofdevices，theprocessdesignandcodeimplementof