ITU T.173:1997
ITU T.173:1997 Mheg-3 Script Interchange Representation Defines the MHEG Script Interchange Representation (MHEG-SIR) for the contents of script objects, that is the encoding of the script data component of the MHEG script class.
Table of Contents
1Scope2Normativereferences
3Definitions
3.1Definitions
3.2Abbreviations
4General
5.1Informationobjectconformance
5.2Implementationconformance
5.3Applicationconformance
5.4TestMethods
6Overview
6.1Descriptionmethodology
6.2Dataprocessingoperations
6.3Accesstoexternaldataandfunctions
7MHEG/MHEG-3relationship
7.1MHEGentities
7.2Functionalentities
7.3MHEG-SIRscriptinterpreter
8ElementsofMHEG-SIR
8.1Datatypes
8.2Data
8.3Functions
8.4Messages
8.5Instructions
8.6Identifiers
9TheMHEG-SIRvirtualmachine
9.1StructureoftheMHEG-SIRvirtualmachine
9.2Structuresandnotations
9.3Memoryareas
9.4Scriptstatuses
9.5Processingunits
10Provisionsforrun-timeenvironmentaccess
10.1Generalmodel
10.2DeclarationofIDLinterfaces
10.3InvocationofexternaloperationsinanMHEG-SIR
program
10.4HandlingofexternalexceptionsinanMHEG-SIRprogram
10.5InvocationofexternaloperationsbyanMHEG-3
engine
10.6HandlingofexternalexceptionsbyanMHEG-3engine
10.7Platformmappingspecifications
11ProvisionsforMHEGobjectmanipulation
11.1InvokingMHEGactions
11.2ReceivingMHEGmessages
12MHEG-SIRdeclarations
12.1Typedeclaration
12.2Constantdeclaration
12.3Globalvariabledeclaration
12.4Packagedeclaration
12.5Handlerdeclaration
12.6Routinedeclaration
13MHEG-SIRinstructions
13.1Presentationmethodology
13.2ClassificationofMHEG-SIRinstructions
13.3Descriptionofinstructions
13.4Typeconversation
14IDLmappingtoMHEG-SIR
14.1IDLspecifications
14.2IDLinterfacesandmodules
14.3IDLoperations
14.4IDLattributes
14.5IDLinheritedoperations
14.6IDLexceptions
14.7IDLtypes
14.8IDLconstants
15TheMHEG-3API
15.1ScriptInterpreterobject
15.2MhScriptobject
15.3RtScriptobject
15.4RoutineInvocationobject
AnnexAASN.1specificationofinterchangedscripts
AnnexBCodedrepresentationofinterchangedscripts
B.1Codingfortheprogramcode
B.2Codingfortheprogramcode
AnnexCMHEG-SIRpredefinedelements
C.1Predefinedtypes
C.2Predefinedfunctions
C.3Predefinedmessages
AnnexDIDLPlatformmappingspecificationform
AnnexEMHEGAPIdefinitionframework
E.1GenericAPIdefinitionprocess
E.2MHEGAPImappingtoMHEG-SIR
AnnexFIDLspecificationoftheMHEG-3API
AnnexGRelationshipswithotherITU-TRecommendationsof
theT.170-Series(andpartsofISO/IEC13522)
G.1RelationshipswithITU-TRec.T.171(andISO/
IEC13522-1)
G.2RelationshipswithIRU-TRec.T.172(andISO/IEC
13522-5)
AppendixIMHEG-SIRsyntax(EBNFnotation)
AppendixIITextualnotationforMHEG-SIRscripts
AppendixIIIMHEGentities
III.1MHEGobjects
III.2Mh-objects
III.3Rt-objects
III.4InterchangedMHEGobjects
AppendixIVMainfeaturesofMHEG-SIR
IV.1Featuresofusingapplications
IV.1.1ManipulationofMHEGentities
IV.1.2Computations,variablehandling
andcontrolstructures
IV.1.3Externaldevicecontrol
IV.1.4Dataacquisition
IV.1.5Accesstoexternaldata
IV.1.6Accesstoarbitraryexternal
run-timeservices
IV.2Functionalfeatures
IV.2.1Dataprocessingoperations
IV.2.2Accesstoexternaldataandfunctions
IV.3Technicalfeatures
IV.3.1Hardwareindependence
IV.3.2Finalformrepresentation
IV.3.3Compactness
IV.3.4Easeofimplementation
IV.3.5Interpretationefficiency
IV.3.6Opennessandextensibility
IV.3.7Non-revisability
IV.3.8Provisionsforreal-timeinterchange
IV.3.9Semanticvalidationforqualityof
servicepurposes
IV.3.10Syntaxcheckability(withregardto
contaminationhazards)
IV.3.11Non-proprietaryrepresentation
IV.3.12Securescriptprocessing