1、 _ STD.BS1 BS ISO/IEC 13522-5-ENGL 1797 = LbZllbb Ob25801 TbL BRITISH STANDARD ICs 36.040 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BS ISO/IEC 13622-5 : 1997 Information technology - Coding of multimedia and hypermedia information Part 5. Support for base-level interacti
2、ve applications STD-BSI BS ISO/IEC L3522-5-ENGL 1777 Lb24bb7 Ob25802 7T8 been prepared under the direction of the DISC Board, was published under the authority of the Standards Board and comes into effect on 15 July 1997 hd. No. O BSI 1997 ISBN O 680 27684 1 BS ISO/IEC 13522-6 : 1997 Da Text affecte
3、d National foreword This British Standard reproduces verbatim ISO/iEC 13522-5 : 1997 and implements it as the K national standad. The UK participation in its preparation was entrusted to Technical Committee IST7, Co of picture, audio, multimedia and hypermedia information, which has the responsibili
4、ty to: - aid enquirers to understand the tee - present to the responsible inkdonallEuropean committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; - monitor related international and European developments and promuigate them in the UK. A iist of o
5、rganizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement intedonal or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entited ?International Standard
6、s Correspondence Index?, or using the ?Find? facility of the BSI Standards Electronic Catalogue. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the ISO/IEC tite page, pages i
7、i to x, pages 1 to 239 and a back cover. STD-BSI BS ISO/IEC 13522-5-ENGL 1777 1b24bb9 b25803 834 BS ISO/IEC 13622-6 : 1997 INTERNATIONAL STANDARD ISOIIEC 13522-5 First edition 1997-04-1 5 Information technology - Coding of multimedia and hypermedia information - Part 5: Support for base-level intera
8、ctive applications Technologies de linformation - Codage de linformation multimdia et hypermdia - Partie 5: Support pour applications interactives de niveau fondamental Reference number ISO/IEC 13522-5:1997() STD-BSI BS ISO/IEC 13522-5-ENGL 1777 1b24bb7 Ob25804 770 M BS ISO/IEC 13522-6 : 1997 Conten
9、ts 1 scope . 1 1.1 Specificity of the scope 1.2 Issues outside the scope of this part of ISO/IEC 13522 1 1 2 Normative References . 1 3 Teqns and definitions . 2 *. 4 Conformance . 4 4.1 Conformance of MHEGd objects 4.2 Conformance of MHEG-5 enghes 5.1 Root 9 5.2 Group 9 5.3 Application 9 5.4 Scene
10、9 5.5 Ingredient 10 5.6 Link 10 5.7 Action 10 5.8 Program 10 5.9 Palette, Font, and Cursorshape 5.10 Variable 11 5.1 1 Presentable 11 5.12 TdrenGroup 12 5.1 3 ListGroup 12 5.14 Stream 12 5.15 Audio 12 12 13 5.16 interactible 5.17 Visible 6 Structure of this part of ISO/IEC 13522 14 4 4 5 Overview of
11、 the MHEG-5 Classes . 8 11 7 Notations 15 7.1 Attributes 15 7.2 Events 15 7.3 internai behaviours 16 7.4 Effect of MHEG-5 actions 16 7.5 Formai description 16 8 Root Class . 17 8.1 Attributes 17 8.2 Events 18 Do8crlpton: data processing, video data, audio data, graphic data processing, image process
12、ing, information interchange, communication procedure, coding (data conversion), coded representation. ii * v) * 8.3 Internal behavim 8.5 Formal description 8.4 Effect Of MHEG-5 aCtionS 18 20 20 9 Group Class . 21 9.1 Attributes 21 9.2 Events 22 9.3 Internai behaviours 22 9.4 Effact of MHEG-5 23 9.5
13、 Formal description 23 10.1 Attributes 25 10.2 Events 28 10.3 Intenial behaviours 28 10.4 Effect Of MHEG-5 actions 28 10.5 Formai description 34 11 Scene Class . 35 1 1.1 Attributes 35 11.2 Events 36 1 1.3 Internal behaviours 37 1 1.4 Effect of MHEG-5 actions 37 1 1.5 Formal description 41 12 Ingred
14、ient Class .42 12.2 Events 44 12.3 Intemal behaviours 44 12.4 Effect of MHEG-5 actions 12.5 Fonnal description 47 13 Link Class 48 i 3.2 Events 49 1 3.3 Internal behaviours 49 13.4 Effect Of MHEG-5 actions 13.5 Fond description 50 1 O Application Class . 25 12.1 Attributes 42 44 13.1 Attributes 48 4
15、9 14 Program Class ,.,.,.51 14.1 Attributes 51 14.2 Events 51 14.3 Internal behaviours 52 14.4 Em of MHEG-5 actions 52 15 ResidentProgram Class . 55 14.5 Formal description 54 15.1 Attributes 55 15.2 Events 55 iii STD=BSI BS ISOIIEC 13522-5-ENGL 1997 Lb2qbbS Ob2580b 543 M BS ISO/IEC 13622-6 : 1997 1
16、5.3 internal behavioun 55 15.4 Effect Of MHEG-5 actions 55 16 RemoteProgram Class . 56 16.1 Attributes 56 16.2 Events 56 16.3 internal behavioun 56 16.4 EM of MHEG-5 57 16.5 Formai description 57 17 InterchangedProgram Class 58 17.1 Attributes 58 17.2 Events 58 17.3 Intemal behaviours 58 17.4 Effect
17、 Of MHEG-5 actions 58 17.5 Fonnal description 58 18 Palette Class 59 18.1 Attributes 59 18.2 Events 59 18.3 intemal behaviours 59 18.4 EffM of MHEG-5 actions 59 18.5 Formal description 59 19 Font Class . .60 19.1 Attributes 60 19.2 Events 60 19.3 internal behavioun 60 19.4 of MHEG-5 actions 60 19.5
18、Fod description 60 15.5 Formal description 55 20 CursorShape Class 61 20.1 Attributes 61 20.2 Events 61 20.3 internal behaviours 61 20.4 Effect of MHEG-5 actions 61 20.5 Formal description 61 21 Variable Class 62 21.1 Attributes 62 2 1.2 Events 62 2 1.3 Internai behaviours 63 2 1.4 Effect of MHEG-5
19、actions 63 2 1.5 Fonnal description 64 22 BooleanVanable Class . 65 22.1 Attributes 65 22.2 Events 65 N _ STD*BSI BS ISOIIEC 13522-5-ENGL 1777 lib2qbb7 Ob25807 Li8T BS ISOAEC 13622-6 : 1997 22.3 lntemai behaviours 65 22.4 Effect of MHEG-5 actions 65 22.5 Formal description 65 23 IntegerVariable Clas
20、s .66 23.1 Attributes 66 23.3 Internal behaviours 66 23.2 Events 66 23.4 Effect of MHEG-5 actions 66 23.5 Formal description 68 24 OctetStringVanable Class 69 24.1 Attributes 69 24.2 Events 69 24.3 Internal behaviours 69 24.4 Effect Of MHEG-5 actions 69 24.5 Formal description 70 25 ObjectReNariatie
21、 Cl ass.,.,.71 25.1 Attributes 71 25.2 Events 71 25.3 Intemal behaviours 71 25.4 Effect of MHEG-5 71 26 ContentReNariable Cla ss72 26.1 Attributes 72 26.2 Events 72 26.3 Internal behaviours 72 26.4 Effect of h4HEG-5 actions 72 26.5 Formal description 72 25.5 Formal description 71 27 Presentable Clas
22、s . .73 27.1 Attributes 73 27.2 Events 73 27.3 Internal behaviours 73 27.5 Formal description 74 28 TokenManager Class . 75 28.1 Attributes 75 27.4 Effect of MHEGJ actions 73 28.2 Events 76 28.3 Internal behaviours 76 28.4 Effect of MHEGJ actions 77 28.5 Formal description 78 29 TokenGroup Class . 7
23、9 29.1 Attributes 79 29.2 Events 79 V BS ISOAEC 13622-6 : 1997 29.3 Internai behaviours 29.5 Formal description 29.4 Effwt of MHEG-5 actions 80 80 80 30 ListGroup Class . 82 30.1 Attributes 82 30.2 Events 85 30.3 Internai behaviours 86 30.4 Effect of MHEG-5 actions 87 30.5 Formal description 92 31 V
24、isible Class 93 3 1.1 Attributes 93 3 1.2 Events 94 3 1.3 Internal behaviours 94 3 1.4 Effect of MHEG-5 actions 95 3 1.5 Fod description 99 32 Bitmap Class 100 32.1 Attributes 1 O0 32.2 Events 101 32.3 Internal behaviours 101 32.4 Effect of MHEG-5 actions 101 32.5 Formal description 101 33 LineArt C
25、la 103 33.1 Amibutes 103 33.2 Events 105 332 ntmai behaviours 105 33.4 Effect of MHEG-5 actions 105 33.5 Formal deSCnption 1 07 34 Rectangle Class . )OB 34.1 A#n%utes i08 34.2 Events. 108 34.3 Intcmal behaviours 108 34.4 Effect of h4HEG-5 actions 108 34.5 Formal description 109 35 ynamicLineArt Clas
26、s . 1 1 O 35.1 Attributes 110 35.2 Events 110 35.3 Internai Behaviours 110 .35.4 Effect Of MHEG-5 Actions 110 35.5 Formal description 116 38 Text Class 1 17 36.1 Atibutes 117 ,362 Events 120 STD-BSI BS ISOIIEC L3522-5-ENGL 1777 m LbZLibbS Ob25807 252 m BS ISO/IEC 13522-6 : 1997 36.3 Intemal behaviou
27、rs 36.4 Effect of h4HEG-5 actions 36.5 Fod description 120 120 121 . 37 Stream Class 123 37.1 Attributes 123 125 126 37.2 Events 37.3 Intemal behaviours 37.4 Efect of MHEG-5 actions 126 37.5 Formal description 129 38.1 Attributes 130 38.2 Events i3 1 38.3 Intemal behaviours 13 1 38.4 Effect of MHEG-
28、5 actions 13 1 38.5 Formal description 132 39 Video class 133 39.1 Attributes 133 39.2 Events 133 39.3 Internal behaviours 133 39.4 Effest of MHEGS actions 134 38 Audio Class 130 39.5 Formal description 134 40 RTGraphia Class . 40.1 Attributes 135 40.2 Events 135 40.3 Internal behaviours 135 40.4 Ef
29、fect of MHEGJ actions 136 40.5 Formal description 136 4 1.1 Attributes 137 41.2 Events 138 4 1.3 Internal behaviours 139 4 1.4 Effect of MHEG-5 actions 139 4 1.5 Formal description 141 42.1 Attributes 142 41 Interactible Class .137 42 Slider Class 142 42.2 Events 144 42.3 intemal behaviour 144 42.5
30、Formal description 147 42.4 Effect of MHEG-5 actions 145 43 EntryField Class 148 43.1 Amiutes 148 43.2 Events 149 . vii - STD=BSI BS ISO/IEC 13522-5-ENGL 1777 m Lb2L.lbbS Ob25810 Tiq BS ISO/IEC 13622-6 : 1997 150 43.3 Internal behaviours 150 43.4 Effect of MHEGS actions 43.5 Formal description 151 1
31、53 44.1 Attributes 153 44.2 Events 44.3 Intemal behaviours 153 154 44.4 Efk% of MHEGJ actions 44.5 Fonnal description 154 155 45.1 Attributes 45.2 Events i 56 156 45.3 Internal behaviours 156 45.4 Effm of MHEG-5 actions 45.5 Formal description 157 46 Hotspot Cl- . 158 158 46.1 Amibutes 158 158 46.2
32、Events 46.3 Internai behaviours 158 46.5 Fonnal description 159 47 PushButton Class 160 47.1 Amiutes 160 47.2 Events 161 47.3 Internai behaviours 161 161 47.4 Enect Of MHEG-5 actions 47.5 Formal description 162 48.1 Amiutes 163 48.2 Events 163 48.3 intemal behaviours 163 48.4 Effect of MHEG-5 163 48
33、.5 Formal description 165 49.1 Attributes 166 49.2 Own internal attributes 166 49.3 Formal description 166 50.1 ObjectReference i 68 50.2 ContentReference 168 50.3 GenericObjectReference 168 50.4 GenericContentReference 168 44 HyperText Clas 1 53 Bueon 155 46.4 Effect of MHEG-5 actionC 48 SwfichButt
34、on Clas 163 49 Action cl- . 166 50 Referencing Objects, Content, Values, Colour and XYPosition . 168 viii STD-BSI BS ISOIIEC 13522-5-ENGL 1777 Lb2qbbS Ub258LL 900 BS ISO/IEC 13522-6 : 1997 50.5 Genenclnteger 169 50.6 GenericBoolean 169 i 69 50.7 GenericctetString 169 50.8 Colour 169 50.9 XYPosition
35、170 50.10 Resolution of generic values 51 Referencing MHEG-5 objects . 171 52 Name Spaces, RemoteProgram Calls and Connections . 172 53 Event Hatding . 173 53.1 Types of events 173 53.2 Synchronous events and asynchronous events 173 53.3 Event handling and Links 174 1 74 53.4 User input 53.5 User im
36、araction 175 175 53.6 Cursor Events 53.7 Error Handling 175 54 Rendering Visibles 175 175 54.3 Display stack 1 76 54.4 Transparent objects 176 177 54.5 Pixel aspect ratio Annex A 178 Annex . B.2 Definitions of Symbols 213 B.3 Teminal Symbols 213 B.4 MHEGd Object Definitions 215 Annex C 235 Annex D 2
37、36 D. 1 Object interchange fomt 236 D.2 Set of classes 236 D.3 Set of features 236 D.4 Content data encoding 236 D.5 UserInput registers 237 D.6 Semantic constraints on the MHEG-5 applications 238 D.7 EngineEvent 238 D.8 GetEngineSupport 239 D.9 Protocol mapping and external interaction 239 . 54.1 c
38、oordinate system 54.2 Bounding box 175 B. 1 General Definitions 212 ix - STD*BSI BS ISO/IEC 13522-5-ENGL 1777 LbZibb7 Ob25812 847 = BS ISO/IEC 13622-6 : 1997 Foreword Is0 (the International Organization for Standardization) and IEC (the Intemational Electrotechnical Commission) form the specialised
39、system for worldwide standardisation. National bodies that are members of IS0 or IEC participate in the development of International Standards through technical committees established by the respective organisation to deal with particular fields of technical activity. IS0 and IEC technical committee
40、s collaborate in fields of mutual interest. Other international organisations, governmental and non- governmental, in liaison with IS0 and IEC, also take part in the work. In the field of information technology, IS0 and IEC have established a joint technical committee, ISOAEC JTC 1. Draft Intemation
41、al Standards adopted by the joint technical committee are circulated to national bodies for voting. Publication as an International Standard requires approval by at least 75 % of the national bodies casting vote. International Standard ISOAEC 13522-5 was prepared by Joint Technical Committee ISOAEC
42、JTC 1, Infonation technology, Subcommittee SC 29, Coding of audio, picture, multimedia and hypermedia infonation. ISOAEC 13522 consists of the following parts, under the general title Infomation technology - Coding of multimedia and hypermedia infomation: - Part 1: MHEG object representation - Base
43、notation (ASN. 1) - Part 3: MHEG script interchange representation - Patt 4: MHEG registration procedure - Part 5: Support for base-levei interactive applications - Part 6: Support for enhancd interactive applications Annexes A and 8 form an integral part of this part of ISOAEC 13522. Annexes C and
44、D are for information only. X _ STD-BSI BS ISO/IEC 13522-5-ENGL 1777 m 1b24bb7 Ob25813 783 m BS ISO/IEC 13622-6 : 1997 Information technology - Coding of multimedia and hypermedia information - Part 5: Support for base-level in te ract ive applications 1 scope This part of ISO/IEC 13522 specifies se
45、mantics and final-form interchange syntax for MHEG-5 objects, based on concepts defined in ISOAEC 13522-1. These objects are intended for use in the domain of simple clientisewer interactive multimedia applications, e.g. (Near) Video on Demand applications, navigation and browsing applications. 1.1
46、Specificity of the scope Since it is expected that this part of ISOAEC 13522 be used for interoperability of applications across platfom, the scope focuses on a specific and precise definition of MHEG-5 classes. This part of ISOiIEC 13522 recognises the semantics implied by the specification of the
47、MHEG-5 objects and by interpretation of MHEG-5 behaviouts within the using system. 1.2 Issues outside the scope of this part of ISOAEC 13522 The scope excludes any standardisation of models, senrices, systems, protocols or applications that are likely to make use of MHEG-5 objects. The coded represe
48、ntation of content data is not in the scope of this part of ISOAEC 13522. 2 Normative References The following standards contain provisions which, through reference in this text, constitute provisions of this part of ISO/iEC 13522. At the time of publication, the editions indicated were valid. All s
49、tandards are subject to revision, and parties to agreements based on this part of ISOAEC 13522 are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. Members of IS0 and IEC maintain registers of currently valid International Standards. - ISO/IEC 646:1991: Infomation technology - /SO 7-bit coded character set for infomation interchange. 1 BS ISO/IEC 13522-5 : 1997 - ISO/IEC 8824-1:1995 I ITU-T Recommendation X.680 (1994): Information technology -
