·沈燕飞《基于达芬奇平台的视频应用》PDF.pdf

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1、基于基于DDaavviinncici平台平台的视的视频频应用开发应用开发沈燕飞DaVinci™技术发布里程图2www.hqyj.com达芬奇五大类平台及目标应用3www.hqyj.comTMS320DM6446/3™处理器构架4www.hqyj.comTMS320DM643x™处理器构架5www.hqyj.comDM355实现便携式应用的创新6www.hqyj.comTMS320DM648/DM647处理器7www.hqyj.comTMS320DM6467芯片内部框图8www.hqyj.com实现多格式高清转码功能

2、解决方案9www.hqyj.comDVSDK工具链}完整的开发系统、参考设计以及全面的ARM/DSP系统级集成开发环境，可加速任何数字视频应用的设计与开发。}DigitalVideoSoftwareDevelopmentKit(DVSDK)}eXpressDSPConfigurationKit}TMS320DM644xSoCAnalyzer}MontaVista’sLinux}DigitalVideoEvaluationModule}TIthirdpartydevelopmentboards10www.hqyj.c

3、omDVSDK工具链}eXpressDSPConfigurationKit}TI’svideo,imaging,speechandaudiocodecs}CustomcodecsthatcomplywithTI’seXpressDSP™Digital}Media(xDM)algorithmstandard}TI’scodecengineframework}DSP/BIOS™real-timekernel}TI’sDSP/BIOSLinkinter-processorcommunication}technology}

4、TMS320DM644xSoCAnalyzer}systeminteraction}loaddistribution}bottlenecksindatathroughput}othertypesofbehavior11www.hqyj.comDVSDK工具链DVEVM允许开发者为ARM编写即将投入生产的应用程序代码和使用DaVinciAPI访问DSP内核，从而立即开始针对DM6443和DM6446器件的应用开发。12www.hqyj.comDM6467BlockDiagramHDVICP0SSGPIOPCI-32A

5、RMSSARM968-ESIPReuse(33MHz)ARMARM9(150/300MHz)McASP1-channelMinorChangesORINTCICECrusherDSPSSTCMRAMNewIPMEIPEMcASPUHPI-32MCLF4-channelARM926-EJSC64x+CALCECDOR(297MHz)(594MHz)I2CHDVICP1SSATAI-CacheD-CacheL1I-CacheL1D-Cache(Parallel)16K8K32K32KARM968-ESSPI(150/3

6、00MHz)ANDTCMRAMBootROML2CacheSCR150MHz32K8K128KTCMRAMPWMx2MCLFUHPI-16CALCECDTimer64x3ORAEMIFUARTx316-bitNANDORDDR2AEMIFSCRDDR2PHY/DLL/IOs16-bit297/148.5MHz300MHzTSIFUSB2.0PHYVPIFCPGMACVDCEVideoOut(10/100/1000)TC2TC32x8-bitBT.656HAnti-aliasFiltSharedor16-bitBT.

7、1120TC0TC1H-ScalerVLYNQ™CCV-ScalerMemVideoIn2.02x8-bitBT.6564:2:0<->4:2:2or16-bitBT.1120EDMASSPLLPLLMenuOverlayorRawCapICEPickPSCPLLCTRLPLLCTRLJTAG27MHz24MHz13www.hqyj.comDM6467vs.DM6446vAdditiontoDM6447vSameasDM6446vPCI(32bitand33Mhz)vUSBvUHPI(16/32bitmode)vA

8、TANewvVideoPortvGPIONewvVideoDataConversionEngine(VDCE)vPWMNewvTransportStreamInterfaces(TSIF)vTIMERNewvClockReferenceGenerator(CRGEN)vSPINewv2HDVICP–notcoveredherevVLYNQv2McASPv3U