ISO/IEC 23001-12:2018

Information technology — MPEG systems technologies — Part 12: Sample variants

This document defines sample variants and their carriage in the ISO base media file format (ISO/IEC 14496-12) and MPEG-2 transport stream (ISO/IEC 13818-1).

Technologies de l'information — Technologies des systèmes MPEG — Partie 12: Variantes d'échantillon

General Information

• Status: Published
• Publication Date: 11-Dec-2018
• 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: 9060 - Close of review
• Start Date: 04-Jun-2029

Relations

• Revises: ISO/IEC 23001-12:2015 - Information technology — MPEG systems technologies — Part 12: Sample Variants in the ISO base media file format
• Effective Date: 02-Sep-2017

Standards Content (Sample)

INTERNATIONAL ISO/IEC
STANDARD 23001-12
Second edition
2018-12
Information technology — MPEG
systems technologies —
Part 12:
Sample variants
Technologies de l'information — Technologies des systèmes MPEG —
Partie 12: Variantes d'échantillon
Reference number
ISO/IEC 23001-12:2018(E)
©
ISO/IEC 2018

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ISO/IEC 23001-12:2018(E)

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ii © ISO/IEC 2018 – All rights reserved

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ISO/IEC 23001-12:2018(E)

Contents Page
Foreword .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Abbreviated terms . 2
5 Overview . 3
6 Variant constructors . 6
6.1 General . 6
6.2 Access to variant constructors . 6
6.3 Encryption of variant constructors . 6
7 Variant byte ranges . 7
7.1 Overview . 7
7.2 Access to variant byte ranges . 7
7.3 Encryption of variant byte range information . 8
8 Sample variants . 8
8.1 General . 8
8.2 Access to sample variants . 8
8.3 Encryption of sample variants . 8
9 Variant data stream .
...