3PG视频编码标准.docx

3PG视频编码标准.docx

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3PG视频编码标准

3GPPTS26.244V6.3.0（2005-03）

TechnicalSpecification

3rdGenerationPartnershipProject;

TechnicalSpecificationGroupServicesandSystemAspectsTransparentend-to-end

packetswitchedstreamingservice（PSS）;

3GPPfileformat（3GP）

（Release6）

Thepresentdocumenthasbeendevelopedwithinthe3rdGenerationPartnershipProject（3GPPTM）andmaybefurtherelaboratedforthepurposesof3GPP.

Thepresentdocumenthasnotbeensubjecttoanyapprovalprocessbythe3GPPOrganizationalPartnersandshallnotbeimplemented.

ThisSpecificationisprovidedforfuturedevelopmentworkwithin3GPPonly.TheOrganizationalPartnersacceptnoliabilityforanyuseofthisSpecification.

Specificationsandreportsforimplementationofthe3GPPTMsystemshouldbeobtainedviathe3GPPOrganizationalPartners'PublicationsOffices.

Keywords

UMTS,GSM.codec,packet mode

3GPP

Postaladdress

3GPPsupportofficeaddress

650RoutedesLucioles-SophiaAntipolis

Valbonne-FRANCE

Tel.:

+33492944200Fax:

+33493654716

Internet

http:

//www.3gpp.org

CopyrightNotification

Nopartmaybereproducedexceptasauthorizedbywrittenpermission.

Thecopyrightandtheforegoingrestrictionextendtoreproductioninallmedia.

©2005,3GPPOrganizationalPartners（ARIB,ATIS,CCSA,ETSI,TTA,TTC）.

Allrightsreserved.

Contents

Foreword5

Introduction5

1Scope6

2References6

3Definitionsandabbreviations7

3.1Definitions7

3.2Abbreviations8

4Overview8

5Conformance8

5.1General8

5.2Definition8

5.2.1LimitationstotheISObasemediafileformat8

5.2.2Registrationofcodecs9

5.2.3Extensions9

5.2.4MPEG-4systemsspecificelements9

5.2.5Templatefields9

5.2.6Interpretationofthe3GPPfileformat9

5.3Identification9

5.3.1General9

5.3.2Fileextension9

5.3.3MIMEtypes10

5.3.4Brands10

5.4Profiles10

5.4.1General10

5.4.2Generalprofile10

5.4.3Basicprofile10

5.4.4Streaming-serverprofile11

5.4.5Progressive-downloadprofile11

5.4.6Extended-presentationprofile12

5.5File-brandingguidelines12

6Codecregistration13

6.1General13

6.2SampleDescriptionbox14

6.3MP4VisualSampleEntrybox15

6.4MP4AudioSampleEntrybox16

6.5AMRSampleEntrybox17

6.6H263SampleEntrybox18

6.7AMRSpecificBoxfieldforAMRSampleEntrybox19

6.8H263SpecificBoxfieldforH263SampleEntrybox20

6.9AMRWPSampleEntrybox22

6.10AMRWPSpecificBoxfieldforAMRWPSampleEntrybox23

7Streaming-serverextensions23

7.1General23

7.2Groupingsofalternativetracks24

7.2.1Alternategroup24

7.2.2Switchgroup24

7.3TrackSelectionbox24

7.4Combiningalternativetracks25

7.5SDP25

7.5.1Session-andmedia-levelSDP25

7.5.2StoredversusgeneratedSDPfields25

7.5.3SDPattributesforalternatives27

7.6SRTP27

7.7AggregatedRTPpayloads28

8Assetinformation29

9Videobufferinformation34

9.1General34

9.2Samplegroupingsforvideo-bufferparameters34

9.2.13GPPPSSAnnexGsamplegrouping35

9.2.2AVCHRDsamplegrouping36

10Encryption37

10.1General37

10.2Sampleentriesforencryptedmediatracks37

10.3Keymanagement38

11Extendedpresentationformat39

11.1General39

11.2Storageformat39

11.3URLformsforitemsandtracks40

11.4Example40

AnnexA（informative）:

Changehistory42

Foreword

ThisTechnicalSpecificationhasbeenproducedbythe3rdGenerationPartnershipProject（3GPP）.

ThecontentsofthepresentdocumentaresubjecttocontinuingworkwithintheTSGandmaychangefollowingformalTSGapproval.ShouldtheTSGmodifythecontentsofthepresentdocument,itwillbere-releasedbytheTSGwithanidentifyingchangeofreleasedateandanincreaseinversionnumberasfollows:

Versionx.y.z

where:

xthefirstdigit:

1presentedtoTSGforinformation;

2presentedtoTSGforapproval;

3orgreaterindicatesTSGapproveddocumentunderchangecontrol.

ytheseconddigitisincrementedforallchangesofsubstance,i.e.technicalenhancements,corrections,updates,etc.

zthethirddigitisincrementedwheneditorialonlychangeshavebeenincorporatedinthedocument.

The3GPPtransparentend-to-endpacket-switchedstreamingservice（PSS）specificationconsistsofsix3GPPTSs:

3GPPTS22.233[1],3GPP TS26.233[2],3GPPTS26.234[3],3GPPTS26.245[4],3GPPTS26.246[5]andthepresentdocument.

TheTS22.233containstheservicerequirementsforthePSS.TheTS26.233providesanoverviewofthePSS.TheTS26.234providesthedetailsofprotocolandcodecsusedbythePSS.TheTS26.245definestheTimedtextformatusedbythePSS.TheTS26.246definesthe3GPPSMILlanguageprofile.Thepresentdocumentdefinesthe3GPPfileformat（3GP）usedbythePPSandMMSservices.

TheTS26.244（presentdocument）,TS26.245andTS26.246startwithRelease6.Earlierreleasesofthe3GPPfileformat,theTimedtextformatandthe3GPPSMILlanguageprofilecanbefoundinTS26.234.

Introduction

Afileformatcontainsdatainastructuredway.The3GPPfileformatcancontaintiming,structureandmediadataformultimediastreams.ItisusedbyMMSandPSSfortimedvisualandauralmultimedia.

1Scope

Thepresentdocumentdefinesthe3GPPfileformat（3GP）asaninstanceoftheISObasemediafileformat.Thedefinitionaddresses3GPPspecificfeaturessuchascodecregistrationandconformancewithintheMMSandPSSservices.

2References

Thefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.

∙Referencesareeitherspecific（identifiedbydateofpublication,editionnumber,versionnumber,etc.）ornonspecific.

∙Foraspecificreference,subsequentrevisionsdonotapply.

∙Foranon-specificreference,thelatestversionapplies.Inthecaseofareferencetoa3GPPdocument（includingaGSMdocument）,anon-specificreferenceimplicitlyreferstothelatestversionofthatdocumentinthesameReleaseasthepresentdocument.

[1]3GPPTS22.233:

"TransparentEnd-to-EndPacket-switchedStreamingService;Stage1".

[2]3GPPTS26.233:

"Transparentend-to-endpacketswitchedstreamingservice（PSS）;Generaldescription".

[3]3GPPTS26.234:

"Transparentend-to-endpacketswitchedstreamingservice（PSS）;Protocolsandcodecs".

[4]3GPPTS26.245:

"Transparentend-to-endpacketswitchedstreamingservice（PSS）;Timedtextformat".

[5]3GPPTS26.246:

"Transparentend-to-endpacketswitchedstreamingservice（PSS）;3GPPSMILLanguageProfile".

[6]3GPPTR21.905:

"Vocabularyfor3GPPSpecifications".

[7]ISO/IEC14496-12:

2005|15444-12:

2005:

"Informationtechnology–Codingofaudio-visualobjects–Part12:

ISObasemediafileformat"|"Informationtechnology–JPEG2000imagecodingsystem–Part12:

ISObasemediafileformat".

[8]3GPPTS26.140:

"MultimediaMessagingService（MMS）;Mediaformatsandcodecs".

[9]ITU-TRecommendationH.263（1998）:

"Videocodingforlowbitratecommunication".

[10]ISO/IEC14496-2:

2001:

"Informationtechnology–Codingofaudio-visualobjects–Part2:

Visual".

[11]3GPPTS26.071:

"MandatorySpeechCODECspeechprocessingfunctions;AMRSpeechCODEC;Generaldescription".

[12]3GPPTS26.171:

"AMRWidebandSpeechCodec;GeneralDescription".

[13]ISO/IEC14496-3:

2001:

"Informationtechnology–Codingofaudio-visualobjects–Part3:

Audio".

[14]ISO/IEC14496-14:

2003:

"Informationtechnology–Codingofaudio-visualobjects–Part14:

MP4fileformat".

[15]IETFRFC3267:

"Real-TimeTransportProtocol（RTP）PayloadFormatandFileStorageFormatfortheAdaptiveMulti-Rate（AMR）AdaptiveMulti-RateWideband（AMR-WB）AudioCodecs",SjobergJ.etal.,June2002.

[16]3GPPTS26.101:

"MandatorySpeechCodecspeechprocessingfunctions;AdaptiveMulti-Rate（AMR）speechcodecframestructure".

[17]3GPPTS26.201:

"SpeechCodecspeechprocessingfunctions;AMRWidebandSpeechCodec;FrameStructure".

[18]ITU-TRecommendationH.263–AnnexX（2001）:

"AnnexX:

Profilesandlevelsdefinition".

[19]IETFRFC3711:

"TheSecureReal-timeTransportProtocol",BaugherM.etal.,March2004.

[20]ISO/IEC14496-15:

2004:

"Informationtechnology–Codingofaudio-visualobjects–Part15:

AdvancedVideoCoding（AVC）fileformat".

[21]3GPPTS26.290:

"ExtendedAMRWidebandcodec;Transcodingfunctions".

[22]void

[23]3GPPTS26.401:

"Generalaudiocodecaudioprocessingfunctions;EnhancedaacPlusgeneralaudiocodec;Generaldescription".

[24]3GPPTS26.410:

"Generalaudiocodecaudioprocessingfunctions;EnhancedaacPlusgeneralaudiocodec;Floating-pointANSI-Ccode".

[25]3GPPTS26.411:

"Generalaudiocodecaudioprocessingfunctions;EnhancedaacPlusgeneralaudiocodec;Fixed-pointANSI-Ccode".

[26]ISO/IEC14496-3:

2001/Amd.1:

2003,BandwidthExtension.

[27]IETFRFC3839:

"MIMETypeRegistrationsfor3rdGenerationPartnershipProject（3GPP）Multimediafiles",CastagnoR.andSingerD.,July2004.

[28]IETFInternetDraft:

"RTPPayloadFormatfor3GPPTimedText",ReyJ.andMatsuiY.,http:

//www.ietf.org/internet-drafts/draft-ietf-avt-rtp-3gpp-timed-text-07.txt,October2004.

[29]ITU-TRecommendationH.264（2003）:

"Advancedvideocodingforgenericaudiovisualservices"|ISO/IEC14496-10:

2003:

"Informationtechnology–Codingofaudio-visualobjects–Part10:

AdvancedVideoCoding".

[30]IETFInternetDraft:

"RTPpayloadFormatforH.264Video",WengerS.etal,http:

//www.ietf.org/internet-drafts/draft-ietf-avt-rtp-h264-11.txt,August2004.

[31]IETFRFC2234:

"AugmentedBNFforSyntaxSpecifications:

ABNF",CrockerD.andOverellP.,November1997.

3Definitionsandabbreviations

3.1Definitions

Forthepurposesofthepresentdocument,thefollowingtermsanddefinitionsapply:

continuousmedia:

mediawithaninherentnotionoftime.Inthepresentdocumentspeech,