ISO/IEC 14496-1:1999

Information technology — Coding of audio-visual objects — Part 1: Systems

Technologies de l'information — Codage des objets audiovisuels — Partie 1: Systèmes

General Information

• Status: Withdrawn
• Publication Date: 15-Dec-1999
• Withdrawal Date: 15-Dec-1999
• ICS: 35.040 - Information coding
• ICS: 35.040.40 - Coding of audio, video, multimedia and hypermedia information
• Technical Committee: ISO/IEC JTC 1/SC 29 - Coding of audio, picture, multimedia and hypermedia information
• Drafting Committee: ISO/IEC JTC 1/SC 29 - Coding of audio, picture, multimedia and hypermedia information
• Current Stage: 9599 - Withdrawal of International Standard
• Completion Date: 11-Oct-2001

Relations

• Revised: ISO/IEC 14496-1:2001 - Information technology — Coding of audio-visual objects — Part 1: Systems
• Effective Date: 15-Apr-2008

Standards Content (Sample)

INTERNATIONAL ISO/IEC
STANDARD 14496-1
First edition
1999-12-15
Information technology — Coding of
audio-visual objects —
Part 1:
Systems
Technologies de l'information — Codage des objets audiovisuels —
Partie 1: Systèmes
Reference number
ISO/IEC 14496-1:1999(E)
©
ISO/IEC 1999

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ISO/IEC 14496-1:1999(E)
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ISO/IEC 14496-1:1999(E)
Contents Page
0 Introduction .xix
0.1 Overview .xix
0.2 Architecture .xix
0.3 Terminal Model: Systems Decoder Model.xxi
0.3.1 Timing Model .xxi
0.3.2 Buffer Model .xxi
0.4 Multiplexing of Streams: The Delivery Layer .xxi
0.5 Synchronization of Streams: The Sync Layer.xxi
0.6 The Compression Layer .xxii
0.6.1 Object Description Framework.xxii
0.6.2 Scene Description Streams.xxii
0.6.3 Audio-visual Streams .xxiii
0.6.4 Upchannel Streams.xxiii
1 Scope.1
2 Normative References .1
3 Additional References .2
4 Definitions.2
5 Abbreviations and Symbols.6
6 Conventions .7
7 Systems Decoder Model.7
7.1 Introduction .7
7.2 Concepts of the Systems Decoder Model .7
7.2.1 DMIF Application Interface (DAI) .7
7.2.2 SL-Packetized Stream (SPS).8
7.2.3 Access Units (AU).8
7.2.4 Decoding Buffer (DB).8
7.2.5 Elementary Streams (ES) .8
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ISO/IEC 14496-1:1999(E)
7.2.6 Elementary Stream Interface (ESI) .8
7.2.7 Decoder .8
7.2.8 Composition Units (CU).8
7.2.9 Composition Memory (CM) .8
7.2.10 Compositor .9
7.3 Timing Model Specification.9
7.3.1 System Time Base (STB).9
7.3.2 Object Time Base (OTB) .9
7.3.3 Object Clock Reference (OCR) .9
7.3.4 Decoding Time Stamp (DTS).9
7.3.5 Composition Time Stamp (CTS) .10
7.3.6 Occurrence and Precision of Timing Information in Elementary Streams .10
7.3.7 Time Stamps for Dependent Elementary Streams.10
7.4 Buffer Model Specification.11
7.4.1 Elementary Decoder Model .11
7.4.2 Assumptions.11
7.4.3 Managing Buffers: A Walkthrough.12
8 Object Description Framework.13
8.1 Introduction .13
8.2 Common data structures.14
8.2.1 Overview .14
8.2.2 BaseDescriptor.15
8.2.3 BaseCommand .16
8.3 Intellectual Property Management and Protection (IPMP).16
8.3.1 Overview .16
8.3.2 IPMP Streams .17
8.4 Object Content Information (OCI).18
8.4.1 Overview .18
8.4.2 OCI Streams.18
8.5 Object Descriptor Stream.19
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ISO/IEC 14496-1:1999(E)
8.5.1 Structure of the Object Descriptor Stream.19
8.5.2 Access Unit Definition.19
8.5.3 Time Base for Object Descriptor Streams.20
8.5.4 OD Decoder Configuration.20
8.5.5 OD Command Syntax and Semantics.20
8.6 Object Descriptor Components.22
8.6.1 Overview .22
8.6.2 ObjectDescriptor .22
8.6.3 InitialObjectDescriptor.23
8.6.4 ES_Descriptor .26
8.6.5 DecoderConfigDescriptor .28
8.6.6 DecoderSpecificInfo .29
8.6.7 SLConfigDescriptor .30
8.6.8 IP_IdentificationDataSet.30
8.6.9 ContentIdentificationDescriptor .30
8.6.10 SupplementaryContentIdentificationDescriptor.32
8.6.11 IPI_DescrPointer .32
8.6.12 IPMP_DescriptorPointer.33
8.6.13 IPMP Descriptor .33
8.6.14 QoS_Descriptor.34
8.6.15 ExtensionDescriptor.35
8.6.16 RegistrationDescriptor .35
8.6.17 Object Content Information Descriptors .36
8.7 Rules for Usage of the Object Description Framework .41
8.7.1 Aggregation of Elementary Stream Descriptors in a Single Object Descriptor .41
8.7.2 Linking Scene Description and Object Descriptors .43
8.7.3 ISO/IEC 14496 Content Access.44
8.8 Usage of the IPMP System interface.50
8.8.1 Overview .50
8.8.2 Association of an IPMP System with IS0/IEC 14496 content.50
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ISO/IEC 14496-1:1999(E)
8.8.3 IPMP of Object Descriptor streams.51
8.8.4 IPMP of Scene Description streams.51
8.8.5 Usage of URLs in managed and protected content.51
8.8.6 IPMP Decoding Process .52
9 Scene Description.53
9.1 Introduction .53
9.1.1 Scope.53
9.1.2 Composition and Rendering .54
9.1.3 Scene Description.54
9.2 Concepts .55
9.2.1 BIFS Elementary Streams .55
9.2.2 BIFS Scene Graph.57
9.2.3 Sources of modification to the scene .64
9.3 BIFS Syntax .67
9.3.1 Introduction .67
9.3.2 Decoding tables, data structures and associated functions.68
9.3.3 Quantization.73
9.3.4 Compensation process .82
9.3.5 BIFS Configuration.83
9.3.6 BIFS Command Syntax.87
9.3.7 BIFS Scene.94
9.3.8 BIFS-Anim .115
9.4 Node Semantics .121
9.4.1 Overview .121
9.4.2 Node specifications .121
10 Synchronization of Elementary Streams .192
10.1 Introduction .192
10.2 Sync Layer .192
10.2.1 Overview .192
10.2.2 SL Packet Specification.193
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ISO/IEC 14496-1:1999(E)
10.2.3 SL Packet Header Configuration .193
10.2.4 SL Packet Header Specification .196
10.2.5 Clock Reference Stream.199
10.2.6 Restrictions for elementary streams sharing the same object time base .199
10.2.7 Usage of configuration options for object clock reference and time stamp values.200
10.3 Elementary Stream Interface (Informative).201
10.4 DMIF Application Interface.203
11 Multiplexing of Elementary Streams .203
11.1 Introduction .203
11.2 FlexMux Tool .203
11.2.1 Overview .203
11.2.2 Simple Mode .203
11.2.3 MuxCode mode .204
11.2.4 FlexMux packet specification .204
11.2.5 Usage of MuxCode Mode .206
12 Syntactic Description Language .207
12.1 Introduction .207
12.2 Elementary Data Types.207
12.2.1 Constant-Length Direct Representation Bit Fields .207
12.2.2 Variable Length Direct Representation Bit Fields .208
12.2.3 Constant-Length Indirect Representation Bit Fields.208
12.2.4 Variable Length Indirect Representation Bit Fields .209
12.3 Composite Data Types .210
12.3.1 Classes.210
12.3.2 Abstract Classes .211
12.3.3 Expandable classes.211
12.3.4 Parameter types .212
12.3.5 Arrays.212
12.3.6 Partial Arrays.213
12.3.7 Implicit Arrays .213
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ISO/IEC 14496-1:1999(E)
12.4 Arithmetic and Logical Expressions.214
12.5 Non-Parsable Variables .214
12.6 Syntactic Flow Control .214
12.7 Built-In Operators.216
12.8 Scoping Rules .216
13 Profiles .216
13.1 Introduction .216
13.2 OD Profile Definitions .216
13.2.1 Overview .216
13.2.2 OD Profiles Tools .216
13.2.3 OD Profiles.217
13.2.4 OD Profiles@Levels.217
13.3 Scene Graph Profile Definitions .217
13.3.1 Overview .217
13.3.2 Scene Graph Profiles Tools .217
13.3.3 Scene Graph Profiles.217
13.3.4 Scene Graph Profiles@Levels .220
13.4 Graphics Profile Definitions.221
13.4.1 Overview .221
13.4.2 Graphics Profiles Tools.221
13.4.3 Graphics Profiles.221
13.4.4 Graphics Profiles@Levels.222
Annex A (informative) Bibliography .225
Annex B (informative) Time Base Reconstruction.226
B.1 Time Base Reconstruction.226
B.1.1 Adjusting the Receiving Terminal’s OTB.226
B.1.2 Mapping Time Stamps to the STB.226
B.1.3 Adjusting the STB to an OTB.227
B.1.4 System Operation without Object Time Base .227
B.2 Temporal aliasing and audio resampling .227
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ISO/IEC 14496-1:1999(E)
B.3 Reconstruction of a Synchronised Audio-visual Scene: A Walkthrough.227
Annex C (normative) View Dependent Object Scalability.229
C.1 Introduction .229
C.2 Bitstream Syntax.229
C.2.1 View Dependent Object .229
C.3 Bitstream Semantics.230
C.3.1 View Dependent Object .230
C.3.2 View Dependent Object Layer .230
Annex D (informative) Registration procedure .
...