ISO/IEC 15444-12:2015

INTERNATIONAL ISO/IEC
STANDARD 15444-12
Fifth edition
2015‐12‐15

Information technology — JPEG 2000
image coding system —
Part 12:
ISO base media file format
Technologies de l'information — Système de codage d'images JPEG 2000 —
Partie 12: Format ISO de base pour les fichiers médias




Reference number
ISO/IEC 15444‐12:2015(E)

©
ISO/IEC 2015

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ISO/IEC 15444-12:2015(E)
Contents Page
1 Scope . 1
2 Normative references . 1
3 Terms, definitions, and abbreviated terms . 3
3.1 Terms and definitions . 3
3.2 Abbreviated terms . 5
4 Object-structured File Organization . 6
4.1 File Structure . 6
4.2 Object Structure . 6
4.3 File Type Box . 7
5 Design Considerations . 8
5.1 Usage . 8
5.1.1 Introduction . 8
5.1.2 Inte rcha nge . 8
5.1.3 Content Creation . 9
5.1.4 Preparation for streaming . 10
5.1.5 Local presentation . 10
5.1.6 Streamed presentation . 10
5.2 Design principles . 11
6 ISO Base Media File organization . 12
6.1 Presentation structure . 12
6.1.1 File Structure . 12
6.1.2 Object Structure . 12
6.1.3 Meta Data and Media Data . 12
6.1.4 Track Identifiers . 12
6.2 Metadata Structure (Objects) . 13
6.2.1 Box . 13
6.2.2 Data Types and fields . 13
6.2.3 Box Order . 14
6.2.4 URIs as type indicators . 17
6.3 Brand Identification . 17
7 Streaming Support . 17
7.1 Handling of Streaming Protocols . 17
7.2 Protocol ‘hint’ tracks . 18
7.3 Hint Track Format . 19
8 Box Structures . 20
8.1 File Structure and general boxes . 20
8.1.1 Media Data Box . 20
8.1.2 Free Space Box . 21
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ISO/IEC 15444-12:2015(E)
8.1.3 Progressive Download Information Box . 21
8.2 Movie Structure . 22
8.2.1 Movie Box . 22
8.2.2 Movie Header Box . 22
8.3 Track Structure . 24
8.3.1 Track Box . 24
8.3.2 Track Header Box . 24
8.3.3 Track Reference Box . 26
8.3.4 Track Group Box . 27
8.4 Track Media Structure . 28
8.4.1 Media Box . 28
8.4.2 Media Header Box . 29
8.4.3 Handler Reference Box . 29
8.4.4 Media Information Box . 30
8.4.5 Media Information Header Boxes . 30
8.4.6 Extended language tag . 31
8.5 Sample Tables . 32
8.5.1 Sample Table Box . 32
8.5.2 Sample Description Box . 32
8.5.3 Degradation Priority Box . 34
8.5.4 Sample Scale Box . 35
8.6 Track Time Structures . 35
8.6.1 Time to Sample Boxes . 35
8.6.2 Sync Sample Box . 40
8.6.3 Shadow Sync Sample Box . 40
8.6.4 Independent and Disposable Samples Box . 41
8.6.5 Edit Box . 43
8.6.6 Edit List Box . 43
8.7 Track Data Layout Structures . 45
8.7.1 Data Information Box . 45
8.7.2 Data Reference Box . 45
8.7.3 Sample Size Boxes . 47
8.7.4 Sample To Chunk Box . 48
8.7.5 Chunk Offset Box . 49
8.7.6 Padding Bits Box . 49
8.7.7 Sub-Sample Information Box . 50
8.7.8 Sample Auxiliary Information Sizes Box . 51
8.7.9 Sample Auxiliary Information Offsets Box . 53
8.8 Movie Fragments . 54
8.8.1 Movie Extends Box . 54
8.8.2 Movie Extends Header Box . 54
8.8.3 Track Extends Box . 55
8.8.4 Movie Fragment Box . 56
8.8.5 Movie Fragment Header Box . 56
8.8.6 Track Fragment Box . 57
8.8.7 Track Fragment Header Box . 57

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ISO/IEC 15444-12:2015(E)
8.8.8 Track Fragment Run Box . 58
8.8.9 Movie Fragment Random Access Box . 60
8.8.10 Track Fragment Random Access Box . 60
8.8.11 Movie Fragment Random Access Offset Box . 61
8.8.12 Track fragment decode time . 62
8.8.13 Level Assignment Box . 63
8.8.14 Sample Auxiliary Information in Movie Fragments . 65
8.8.15 Track Extension Properties Box . 65
8.8.16 Alternative Startup Sequence Properties Box . 66
8.8.17 Metadata and user data in movie fragments . 66
8.9 Sample Group Structures . 67
8.9.1 Introduction . 67
8.9.2 Sample to Group Box . 68
8.9.3 Sample Group Description Box . 69
8.9.4 Representation of group structures in Movie Fragments . 70
8.10 User Data . 71
8.10.1 User Data Box . 71
8.10.2 Copyright Box . 72
8.10.3 Track Selection Box . 72
8.10.4 Track kind . 74
8.11 Metadata Support . 75
8.11.1 The Meta box . 75
8.11.2 XML Boxes . 76
8.11.3 The Item Location Box . 77
8.11.4 Primary Item Box . 80
8.11.5 Item Protection Box . 80
8.11.6 Item Information Box . 81
8.11.7 Additional Metadata Container Box . 83
8.11.8 Metabox Relation Box . 84
8.11.9 URL Forms for meta boxes . 85
8.11.10 Static Metadata . 85
8.11.11 Item Data Box . 86
8.11.12 Item Reference Box . 87
8.11.13 Auxiliary video metadata . 88
8.12 Support for Protected Streams . 88
8.12.1 Protection Scheme Information Box . 89
8.12.2 Original Format Box . 90
8.12.3 IPMPInfoBox . 90
8.12.4 IPMP Control Box . 90
8.12.5 Scheme Type Box . 90
8.12.6 Scheme Information Box . 91
8.13 File Delivery Format Support . 91
8.13.1 Introduction . 91
8.13.2 FD Item Information B ox . 92
8.13.3 File Partition Box . 92
8.13.4 FEC Reservoir Box . 94
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ISO/IEC 15444-12:2015(E)
8.13.5 FD Session Group Box . 95
8.13.6 Group ID to Name Box . 96
8.13.7 File Reservoir Box . 96
8.14 Sub tracks . 97
8.14.1 Introduction . 97
8.14.2 Backward compatibility . 97
8.14.3 Sub Track box . 98
8.14.4 Sub Track Information box . 98
8.14.5 Sub Track Definition box . 100
8.14.6 Sub Track Sample Group box . 100
8.15 Post-decoder requirements on media . 100
8.15.1 General . 100
8.15.2 Transformation . 101
8.15.3 Restricted Scheme Information box . 102
8.15.4 Scheme for stereoscopic video arrangements . 102
8.16 Segments . 104
8.16.1 Introduction . 104
8.16.2 Segment Type Box . 104
8.16.3 Segment Index Box . 105
8.16.4 Subsegment Index Box . 109
8.16.5 Producer Reference Time Box . 111
8.17 Support for Incomplete Tracks . 112
8.17.1 General . 112
8.17.2 Transformation . 113
8.17.3 Complete Track Information Box . 114
9 Hint Track Formats . 114
9.1 RTP and SRTP Hint Track Format . 114
9.1.1 Introduction . 114
9.1.2 Sample Description Format . 115
9.1.3 Sample Format . 117
9.1.4 SDP Information . 119
9.1.5 Statistical Information . 120
9.2 ALC/LCT and FLUTE Hint Track Format . 121
9.2.1 Introduction . 121
9.2.2 Design principles . 122
9.2.3 Sample Description Format . 123
9.2.4 Sample Format . 124
9.3 MPEG-2 Transport Hint Track Format . 127
9.3.1 Introduction . 127
9.3.2 Design Principles . 128
9.3.3 Sample Description Format . 130
9.3.4 Sample Format . 132
9.3.5 Protected MPEG 2 Transport Stream Hint Track . 134
9.4 RTP, RTCP, SRTP and SRTCP Reception Hint Tracks . 134
9.4.1 RTP Reception Hint Track . 134

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ISO/IEC 15444-12:2015(E)
9.4.2 RTCP Reception Hint Track .
...