嵌入式UCLINUX和双核DSP在视频编码系统中的应用研究

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1、西南交通大学硕士学位论文嵌入式uClinux和双核DSP在视频编码系统中的应用研究姓名：雷杰申请学位级别：硕士专业：系统工程指导教师：金炜东20070401西南交通大学硕士研究生学位论文第1I页AbstractTheembeddedvideoencodingsystemiswidelyappliedinthemultimediaprocessingdomain，anditisthevideoencodingsystemthat’Srealizedbymeansofembeddedmanner．Theb

2、etternetworktransmission,andeventhevideodecodingarenecessaryforthecomplicatedapplication,SOtherequirementisexigentfortheprocessor．ThisthesistransplantstheuClinux，whichisoneembeddedoperatingsystem,onthedouble-coreDSPprocessorBF561，andthevideoencodingsyst

3、emisachievedbased0ntheuClinuxandthisdouble-coreDSEThesearethebasicideaofthispaper．Firstly,thethesisgivestheintroductiontotheembeddedsystemandtheembeddedoperatingsystem,andthentheembeddeduClinuxiselicited．Inaddition，theBF561processorisintroducedasthefoun

4、dationofthelatterresearchingtasLSecondly,thepaperanalysesthestartupoftheembeddeduClinux，andthenresearchesthetransplantoftheuClinux。Becausethevideoencodingsystemappliesthedouble-coreDSP,thepaperdoessomeresearcht0muti-coreprocessor,anditaccomplishstheanal

5、ysisofLinuxoperatingsystemwhichsurportstheSMParchitecture．Asaresult，thefoundationoftheapplicationwillbeprovidedaboutBF561that’Sthedouble-coreDSELastly,theBootloaderandtheuClinuxaretransplantedonthedouble-coreBF561successfully,andthethesiscarrysoutthesys

6、temusingthedouble-coreDSEInaddition，Thepaperresearchstheexploitingprocessabouttheembeddedapplication．Inthisthesis，double·coreDSPisappliedinthevideoencodingsystem,andthisDSPisoneprocessorbasedonMicro—SignalArchitecture．Thisencodingsystemhasmoreadvantages

7、overtheoneusingthesingle-coreprocessor．Ontheotherhand，thissystemisbetterthantheoneusingthedouble—COrearchitecturethatcontainstheMCUandtheDSP．TocombinetheembeddeduClinuxwiththeBF561isareasonablemodeltoconstructthesystembecausetheadvantagescallbeappliedfo

8、rbothofthem,andtheintegratedvideosystem,whichmaycontains西南交通大学硕士研究生学位论文第1ll页thevideoencoding，thevideodecodingandthenetworkfunction，carlbeeasilyachievedinthemutimediaprocessing．Keywords：embeddedsystem；uClinux；Bootloader；double-cor