Miracast Introduce v2 (Android 4.2 Wifi display)

MiracastStandard2012.11v0.22011.10v0.1Contents•MiracastOverview•Wi-FiDisplayOverview•MiracastonAndroid•ReferencesMiracastOverviewWhatisMiracast?•Wi-FiCERTIFIEDMiracast™isagroundbreakingsolutionforseamlesslydisplayingvideobetweendevices,withoutcablesoranetworkconnection.•Userscandothingslikeviewpicturesfromasmartphoneonabigscreentelevision,sharealaptopscreenwiththeconferenceroomprojectorinreal-time,andwatchliveprogramsfromahomecableboxonatablet.•OnlyneedvendorsoftwareupgradetosupportMiracastBusinessReal-timeEntertainmentDownloadTrafficBusinessCE(consumerelectronics)deviceswithembeddedWi-Fisoldin2012BusinessSummary&Prospect•Theintersectionofwirelessconnectivityandstreamedaudio/videocontentisoneofthehottestgrowthareasinCEdevices.•Wi-FiCERTIFIEDMiracast™expandstheroleofWi-Fiininteractivevideoandaudioentertainment.Itenablesseamlessmirroringofentiredisplaysacrossdevicesorsharingofanytypeofcontentthatasourcecoulddisplay.•IndustryanalystspredictannualshipmentsofMiracast-certifieddevicestoexceedonebillionunitswithinthenextfouryears.Miracast:Keybenefits(1)ContentsupportSupportanytypeofcontentthatthesourcedevicecandisplayContentprotectionCosteffectivenessNeedWi-FifunctionalityonlyDemand-drivenconnectivityEasytoconnectdevicesEaseofuseSharevideocontentbetweendevicesseamlesslyStrongWi-FifoundationDeliverWi-FiCERTIFIEDnperformanceandWi-FiDirectEnableconnectivityacrossdeviceswithoutWi-FiAPinfrastructureMiracast:Keybenefits(2)ProveninteroperabilityWorkonanydevicescertifiedforMiracastTrafficmanagementSelectoptimalchannelQoSmechanismsTrustedsecurityWPA2™MiracastTopologiesMiracastonWi-FiWi-FiMiracastBasedontheWi-FiDisplaySpecificationConnectivityWi-FiCERTIFIEDnDevice-to-deviceconnectivityWi-FiDirect™TDLS(optional)SecurityWPA2™Qualityofservice(QoS)Wi-FiMultimedia™BatterylifeWMMPowerSaveEaseofinstallationWi-FiProtectedSetup™MiracastSupportFormats•DisplayResolution17ConsumerElectronicsAssociation(CEA)formats,from640x480upto1920x1080pixels,andfrom24to60framespersecond(fps)29VideoElectronicsStandardsAssociation(VESA)formats,from800x600upto1920x1200pixels,andfrom30to60fps12handheldformats,from640x360upto960x540pixels,andfrom30to60fps•VideoITU-TH.264(alsoknownasAdvancedVideoCoding[AVC])forhigh-definition(HD)video,supportingtheConstrainedBaselineProfile(CBP)andtheMiracast-specificConstrainedHighProfile(CHP),atlevelsrangingfrom3.1to4.2.•Audio•Mandatedcodec:LinearPulse-CodeModulation(LPCM)16bits,48kHzsampling,2channels•Optionalaudiocodecs,basedon:•LPCMmode16bits,44.1kHzsampling,2channels•AdvancedAudioCoding(AAC)modes•DolbyAdvancedCodec3(AC3)modesWirelessStreaminginMiracastMiracastCertificationTobecertifiedforMiracast,adevicemustalsobeWi-FiCERTIFIEDfor:•Wi-FiCERTIFIEDn•WPA2•Wi-FiDirect•WMM•Wi-FiProtectedSetupWhileitisexpectedthatTDLScertificationwillbecommonlypursuedforMiracast–certifieddevices,itisanoptionalcomponentoftheMiracastcertificationprocess.Wi-FiDisplayOverviewWi-FiDisplay•Aninteroperablemechanismtodiscover,pair,connectandrendermultimediacontentsourcedfromaWi-FiDisplaySourceataWi-FiDisplaySink.•Wi-FiDisplay(WFD)Devicescanbediscoverableby,pairedandestablishWFDSession(s)withotherWFDDevice(s).WFDArchitectureHIDC:HumanInterfaceDeviceClassUIBC:UserInputBackChannelPES:PacketizedElementaryStreamHDCP:High-bandwidthDigitalContentProtectionMPEG2-TS:MovingPictureExpertsGroup2TransportStreamRTSP:Real-TimeStreamingProtocolRTP:Real-timeTransportProtocolWi-FiP2P:Wi-FiDirectTDLS:TunneledDirectLinkSetupWi-FiConnectionTopology•Wi-FiP2P•TDLSWFDSessionEncoder/DecoderCharacteristics-AudioFormatDescriptionLPCM44.1ksps,16bits,2channels;CDQualityAudio48ksps,16bitspersample,2channels,MPEG-2AAC-LCusingADTS48ksps,16bitspersample,4channels,MPEG-2AAC-LCusingADTS48ksps,16bitspersample,6channels,MPEG-2AAC-LCusingADTS48ksps,16bitspersample,8channels,MPEG-2AAC-LCusingADTS48ksps,16bitspersample,2channels,AC-348ksps,16bitspersample,4channels,AC-348ksps,16bitspersample,6channels,AC-3Encoder/DecoderCharacteristics–Video(1)Encoder/DecoderCharacteristics–Video(2)Encoder/DecoderCharacteristics–Video(3)Encoder/DecoderCharacteristics–Video(4)Encoder/DecoderCharacteristics–Video(5)ReferenceModelAudio/VideoPayloadProcessingMiracastOnAndroidAddcontentsonV0.2MicacastOnAndroid•Externaldisplaysupport•NewtoAndroid4.2•EnableWi-FiDisplay•SampleCodesExternaldisplaysupport•Sharewhatsonyourphoneonthebigscreen•Youcansharemovies,YouTubevideos,andanythingthat’sonyourscreenonanHDTVviawirelessdisplaytechnology.•AppscannowtargetuniquecontenttoanyoneormultipledisplaysthatareattachedtoanAndroiddevice.•Appscanbuildonthistodelivernewkindsofinteractionandentertainmentexperiencestousers.NewtoAndroid4.2(1)•Displaymanager•anewdisplaymanagersystemservice•enumeratethedisplaysandcheckthecapabilities(size,density,displayname,ID,supportforsecurevideo…)•Notifyappsthestatuschangesofthedisplays•Presentationwindow•anewUIobject•representsawindowforyourapp’scontentonaspecificexternaldisplay•inflatingresourcesandrenderingyourcontentaccordingtothecharacteristicsofthetargeteddisplayNewtoAndroid4.2(2)•Preferr