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首页 ITU-T H.264 2009.pdf

ITU-T H.264 2009.pdf

ITU-T H.264 2009.pdf

上传者: janke 2012-07-05 评分 0 0 0 0 0 0 暂无简介 简介 举报

简介:本文档为《ITU-T H.264 2009pdf》,可适用于IT/计算机领域,主题内容包含InternationalTelecommunicationUnionITUTHTELECOMMUNICATIONSTANDARDIZATIONSE符等。

InternationalTelecommunicationUnionITUTHTELECOMMUNICATIONSTANDARDIZATIONSECTOROFITU()SERIESH:AUDIOVISUALANDMULTIMEDIASYSTEMSInfrastructureofaudiovisualservices–CodingofmovingvideoAdvancedvideocodingforgenericaudiovisualservicesRecommendationITUTHITUTHSERIESRECOMMENDATIONSAUDIOVISUALANDMULTIMEDIASYSTEMSCHARACTERISTICSOFVISUALTELEPHONESYSTEMSH–HINFRASTRUCTUREOFAUDIOVISUALSERVICESGeneralH–HTransmissionmultiplexingandsynchronizationH–HSystemsaspectsH–HCommunicationproceduresH–HCodingofmovingvideoH–HRelatedsystemsaspectsH–HSystemsandterminalequipmentforaudiovisualservicesH–HDirectoryservicesarchitectureforaudiovisualandmultimediaservicesH–HQualityofservicearchitectureforaudiovisualandmultimediaservicesH–HSupplementaryservicesformultimediaH–HMOBILITYANDCOLLABORATIONPROCEDURESOverviewofMobilityandCollaboration,definitions,protocolsandproceduresH–HMobilityforHSeriesmultimediasystemsandservicesH–HMobilemultimediacollaborationapplicationsandservicesH–HSecurityformobilemultimediasystemsandservicesH–HSecurityformobilemultimediacollaborationapplicationsandservicesH–HMobilityinterworkingproceduresH–HMobilemultimediacollaborationinterworkingproceduresH–HBROADBAND,TRIPLEPLAYANDADVANCEDMULTIMEDIASERVICESBroadbandmultimediaservicesoverVDSLH–HAdvancedmultimediaservicesandapplicationsH–HIPTVMULTIMEDIASERVICESANDAPPLICATIONSFORIPTVGeneralaspectsH–HIPTVterminaldevicesH–HIPTVmiddlewareH–HIPTVapplicationeventhandlingH–HIPTVmetadataH–HIPTVmultimediaapplicationframeworksH–HIPTVservicediscoveryuptoconsumptionH–HForfurtherdetails,pleaserefertothelistofITUTRecommendationsRecITUTH()iRecommendationITUTHAdvancedvideocodingforgenericaudiovisualservicesSummaryThisRecommendation|InternationalStandardrepresentsanevolutionoftheexistingvideocodingstandards(H,H,andH)anditwasdevelopedinresponsetothegrowingneedforhighercompressionofmovingpicturesforvariousapplicationssuchasvideoconferencing,digitalstoragemedia,televisionbroadcasting,Internetstreaming,andcommunicationItisalsodesignedtoenabletheuseofthecodedvideorepresentationinaflexiblemannerforawidevarietyofnetworkenvironmentsTheuseofthisRecommendation|InternationalStandardallowsmotionvideotobemanipulatedasaformofcomputerdataandtobestoredonvariousstoragemedia,transmittedandreceivedoverexistingandfuturenetworksanddistributedonexistingandfuturebroadcastingchannelsTherevisionapprovedcontainedmodificationsofthevideocodingstandardtoaddfournewprofiles,referredtoastheHigh,High,High::,andHigh::profiles,toimprovevideoqualitycapabilityandtoextendtherangeofapplicationsaddressedbythestandard(forexample,byincludingsupportforagreaterrangeofpicturesampleprecisionandhigherresolutionchromaformats)Additionally,adefinitionofnewtypesofsupplementaldatawasspecifiedtofurtherbroadentheapplicabilityofthevideocodingstandardFinally,anumberofcorrectionstoerrorsinthepublishedtextwereincludedCorrigendumtoITUTRecHcorrectedandupdatedvariousminoraspectstobringtheITUTversionofthetextuptodaterelativetotheApriloutputstatusapprovedasaneweditionofthecorrespondingjointlydevelopedandtechnicallyalignedtextISOIECItadditionallyfixedanumberofminorerrorsandneedsforclarificationanddefinedthreepreviouslyreservedsampleaspectratioindicatorsTheHeditionpublishedinincludedthetextapprovedanditsCorrigendumapprovedAmendment"SupportofadditionalcolourspacesandremovaloftheHigh::Profile"containedalterationstoITUTRecH|ISOIECAdvancedVideoCodingtospecifythesupportofadditionalcolourspacesandtoremovethedefinitionoftheHigh::ProfileNOTE–ITUTRecHisatwintextwithISOIECandthisamendmentwaspublishedintwodifferentdocumentsintheISOIECseries:–TheremovaloftheHigh::profilewasfoundinISOIEC:Cor–ThespecificationforsupportofadditionalcolourspaceswasfoundinISOIEC:AmdAmendment"Newprofilesforprofessionalapplications"containedextensionstoITUTRecH|ISOIECAdvancedVideoCodingtospecifythesupportoffiveadditionalprofilesintendedprimarilyforprofessionalapplications(theHighIntra,High::Intra,High::Intra,CAVLC::Intra,andHigh::Predictiveprofiles)andtwonewtypesofsupplementalenhancementinformation(SEI)messages(thepostfilterhintSEImessageandthetonemappinginformationSEImessage)Amendment"Scalablevideocoding"containedextensionstoITUTRecH|ISOIECAdvancedVideoCodingtospecifyascalablevideocodingextensioninthreeprofiles(theScalableBaseline,ScalableHigh,andScalableHighIntraprofiles)TheHeditionpublishedinincludedthetextapprovedanditsCorrigendumapprovedH()Amd()wasavailableonlyasprepublishedtextsinceitwassupersededbyHAmd()beforeitspublicationfurther,HAmdwasnotpublishedseparatelyThethirdeditionintegratedintotheHeditionpublishedinallchangesapprovedinAmendments(),()and()Corrigendum()providesasignificantnumberofminorcorrections,clarifications,consistencyimprovementsandformattingimprovementsdraftedinresponsetoaccumulatederratareportscollectedsincepublicationofthendedition(dated,whichincludedaCorapproved)ThisrevisiontoITUTRecHcontainsenhancementextensionstosupportmultiviewvideocoding(MVC),specificationofa"ConstrainedBaselineProfile",andsomemiscellaneouscorrectionsandclarificationsSpecifically,AnnexHspecifiesmultiviewvideocoding(MVC)ThereaderisreferredtoAnnexHfortheentiredecodingprocessforMVC,whichisspecifiedtherewithreferencesbeingmadetoclausesandAnnexesAEClauseHspecifiesoneprofileforMVC(MultiviewHigh)SourceRecommendationITUTHwasapprovedonMarchbyITUTStudyGroup()underRecommendationITUTAproceduresiiRecITUTH()FOREWORDTheInternationalTelecommunicationUnion(ITU)istheUnitedNationsspecializedagencyinthefieldoftelecommunications,informationandcommunicationtechnologies(ICTs)TheITUTelecommunicationStandardizationSector(ITUT)isapermanentorganofITUITUTisresponsibleforstudyingtechnical,operatingandtariffquestionsandissuingRecommendationsonthemwithaviewtostandardizingtelecommunicationsonaworldwidebasisTheWorldTelecommunicationStandardizationAssembly(WTSA),whichmeetseveryfouryears,establishesthetopicsforstudybytheITUTstudygroupswhich,inturn,produceRecommendationsonthesetopicsTheapprovalofITUTRecommendationsiscoveredbytheprocedurelaiddowninWTSAResolutionInsomeareasofinformationtechnologywhichfallwithinITUT'spurview,thenecessarystandardsarepreparedonacollaborativebasiswithISOandIECNOTEInthisRecommendation,theexpression"Administration"isusedforconcisenesstoindicatebothatelecommunicationadministrationandarecognizedoperatingagencyCompliancewiththisRecommendationisvoluntaryHowever,theRecommendationmaycontaincertainmandatoryprovisions(toensureeginteroperabilityorapplicability)andcompliancewiththeRecommendationisachievedwhenallofthesemandatoryprovisionsaremetThewords"shall"orsomeotherobligatorylanguagesuchas"must"andthenegativeequivalentsareusedtoexpressrequirementsTheuseofsuchwordsdoesnotsuggestthatcompliancewiththeRecommendationisrequiredofanypartyINTELLECTUALPROPERTYRIGHTSITUdrawsattentiontothepossibilitythatthepracticeorimplementationofthisRecommendationmayinvolvetheuseofaclaimedIntellectualPropertyRightITUtakesnopositionconcerningtheevidence,validityorapplicabilityofclaimedIntellectualPropertyRights,whetherassertedbyITUmembersorothersoutsideoftheRecommendationdevelopmentprocessAsofthedateofapprovalofthisRecommendation,ITUhadreceivednoticeofintellectualproperty,protectedbypatents,whichmayberequiredtoimplementthisRecommendationHowever,implementersarecautionedthatthismaynotrepresentthelatestinformationandarethereforestronglyurgedtoconsulttheTSBpatentdatabaseathttp:wwwituintITUTiprITUAllrightsreservedNopartofthispublicationmaybereproduced,byanymeanswhatsoever,withoutthepriorwrittenpermissionofITURecITUTH()iiiCONTENTSPageIntroductionProloguePurposeApplicationsPublicationandversionsofthisspecificationProfilesandlevelsOverviewofthedesigncharacteristicsPredictivecodingCodingofprogressiveandinterlacedvideoPicturepartitioningintomacroblocksandsmallerpartitionsSpatialredundancyreductionHowtoreadthisspecificationScopeNormativereferencesDefinitionsAbbreviationsConventionsArithmeticoperatorsLogicaloperatorsRelationaloperatorsBitwiseoperatorsAssignmentoperatorsRangenotationMathematicalfunctionsOrderofoperationprecedenceVariables,syntaxelements,andtablesTextdescriptionoflogicaloperationsProcessesSource,coded,decodedandoutputdataformats,scanningprocesses,andneighbouringrelationshipsBitstreamformatsSource,decoded,andoutputpictureformatsSpatialsubdivisionofpicturesandslicesInversescanningprocessesandderivationprocessesforneighboursInversemacroblockscanningprocessInversemacroblockpartitionandsubmacroblockpartitionscanningprocessInversemacroblockpartitionscanningprocessInversesubmacroblockpartitionscanningprocessInversexlumablockscanningprocessInversexCborCrblockscanningprocessforChromaArrayTypeequaltoInversexlumablockscanningprocessInversexCborCrblockscanningprocessforChromaArrayTypeequaltoDerivationprocessoftheavailabilityformacroblockaddressesDerivationprocessforneighbouringmacroblockaddressesandtheiravailabilityDerivationprocessforneighbouringmacroblockaddressesandtheiravailabilityinMBAFFframesDerivationprocessesforneighbouringmacroblocks,blocks,andpartitionsDerivationprocessforneighbouringmacroblocksDerivationprocessforneighbouringxlumablockDerivationprocessforneighbouringxchromablocksforChromaArrayTypeequaltoDerivationprocessforneighbouringxlumablocksDerivationprocessforneighbouringxchromablocksDerivationprocessforneighbouringxchromablocksforChromaArrayTypeequaltoDerivationprocessforneighbouringpartitionsDerivationprocessforneighbouringlocationsSpecificationforneighbouringlocationsinfieldsandnonMBAFFframesivRecITUTH()PageSpecificationforneighbouringlocationsinMBAFFframesDerivationprocessesforblockandpartitionindicesDerivationprocessforxlumablockindicesDerivationprocessforxchromablockindicesDerivationprocessforxlumablockindicesDerivationprocessformacroblockandsubmacroblockpartitionindicesSyntaxandsemanticsMethodofspecifyingsyntaxintabularformSpecificationofsyntaxfunctions,categories,anddescriptorsSyntaxintabularformNALunitsyntaxRawbytesequencepayloadsandRBSPtrailingbitssyntaxSequenceparametersetRBSPsyntaxPictureparametersetRBSPsyntaxSupplementalenhancementinformationRBSPsyntaxAccessunitdelimiterRBSPsyntax

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