UniversalSerialBusDeviceClassDefinitionforVideoDevices:FrequentlyAskedQuestions(FAQ)Revision1.1June1,2005USBDeviceClassDefinitionforVideoDevices-FAQiiRevisionJune1,ContributorsAbdulR.IsmailIntelCorp.AkihiroTanabeCanonInc.AllisonHicksTexasInstrumentsAnandGaneshMicrosoftCorp.AndyHodgsonSTMicroelectronicsAnshumanSaxenaTexasInstrumentsBertrandLeeMicrosoftCorp.CharngLeeSunplusTechnologyCo.,LtdDavidGollMicrosoftCorp.EricLuttmannCypressSemiconductorCorp.FernandoUrbinaAppleComputerInc.GeertKnapenPhilipsElectronicsGeraudMudryLogitechInc.HiroKobayashiMicrosoftCorp.Jean-MichelChardonLogitechInc.JeffZhuMicrosoftCorp.Ken-ichiroAyakiFujifilmMitsuoNiidaCanonInc.NobuoKuchikiSanyoElectricCo.,LtdOlivierLechenneLogitechInc.PaulThackerSTMicroelectronicsRemyZimmermannLogitechInc.ShinichiHataeCanonInc.SteveMillerSTMicroelectronicsTachioOnoCanonInc.TakashiSatoPhilipsSemiconductorYoichiHirataMatsushitaElectricIndustrialCo.,LtdUSBDeviceClassDefinitionforVideoDevices-FAQiiiRevisionJune1,Copyright©2001,2002,2003,2004,2005USBImplementersForumAllrightsreserved.INTELLECTUALPROPERTYDISCLAIMERTHISDOCUMENTISPROVIDED“ASIS”WITHNOWARRANTIESWHATSOEVERINCLUDINGANYWARRANTYOFMERCHANTABILITY,FITNESSFORANYPARTICULARPURPOSE,ORANYWARRANTYOTHERWISEARISINGOUTOFANYPROPOSAL,SPECIFICATION,ORSAMPLE.ALICENSEISHEREBYGRANTEDTOREPRODUCEANDDISTRIBUTETHISDOCUMENTFORINTERNALUSEONLY.NOOTHERLICENSE,EXPRESSORIMPLIED,BYESTOPPELOROTHERWISE,TOANYOTHERINTELLECTUALPROPERTYRIGHTSISGRANTEDORINTENDEDHEREBY.AUTHORSOFTHISDOCUMENTDISCLAIMALLLIABILITY,INCLUDINGLIABILITYFORINFRINGEMENTOFPROPRIETARYRIGHTS,RELATINGTOIMPLEMENTATIONOFINFORMATIONINTHISDOCUMENT.AUTHORSOFTHISDOCUMENTALSODONOTWARRANTORREPRESENTTHATSUCHIMPLEMENTATION(S)WILLNOTINFRINGESUCHRIGHTS.Allproductnamesaretrademarks,registeredtrademarks,orservicemarksoftheirrespectiveowners.USBDeviceClassDefinitionforVideoDevices-FAQivRevisionJune1,RevisionHistoryRevisionDateDescription1.0Initialreleasedversion1.0aAdded:2.21InterlacedVideo1.0bAdded:2.22MaximumValuesofthePTSandSTCfieldswithinthePayloadHeader2.23ProtocolSTALLbehavior2.24CurrentandFuturePayloadHeaderFormatandExtensibility1.0cJune5,2004Added:2.25MotionJPEGCharacteristics1.1June1st,2005AddedMPEG2APTinformation.AddedTerminalassociationinformation(RR0052).AddedForwardandBackwardCompatibilityGuidelines(RR0055).AddedsupportforStreamBasedPayload(MPEG4-SL,VC1,H264)relyingonMPEG2systemsspecification(RR0061).Added1.30HostBehavioroftheStillImageCaptureMethod2.(RR0068).AppliedRR0064.ChangeVDCtoUVCinTermsandAbbreviation.Updatesection2.1withupdateddocumentset.USBDeviceClassDefinitionforVideoDevices-FAQvRevisionJune1,TableofContents1Introduction..............................................................................................................................11.1Purpose..............................................................................................................................11.2Scope.................................................................................................................................11.3RelatedDocuments...........................................................................................................11.4TermsandAbbreviations..................................................................................................12FrequentlyAskedQuestions(FAQ)...............................