Matroska Tags
draft-ietf-cellar-tags-03
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cellar S. Lhomme
Internet-Draft
Intended status: Informational M. Bunkus
Expires: 29 April 2020
D. Rice
27 October 2019
Matroska Tags
draft-ietf-cellar-tags-03
Abstract
This document defines the Matroska tags, namely the tag names and
their respective semantic meaning.
Status of This Memo
This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79.
Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet-
Drafts is at https://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress."
This Internet-Draft will expire on 29 April 2020.
Copyright Notice
Copyright (c) 2019 IETF Trust and the persons identified as the
document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents (https://trustee.ietf.org/
license-info) in effect on the date of publication of this document.
Please review these documents carefully, as they describe your rights
and restrictions with respect to this document. Code Components
extracted from this document must include Simplified BSD License text
as described in Section 4.e of the Trust Legal Provisions and are
provided without warranty as described in the Simplified BSD License.
Lhomme, et al. Expires 29 April 2020 [Page 1]
Internet-Draft Matroska October 2019
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2
2. Status of this document . . . . . . . . . . . . . . . . . . . 3
3. Security Considerations . . . . . . . . . . . . . . . . . . . 3
4. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 3
5. Notations and Conventions . . . . . . . . . . . . . . . . . . 3
6. Tagging . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
6.1. Why official tags matter . . . . . . . . . . . . . . . . 4
6.2. Tag translations . . . . . . . . . . . . . . . . . . . . 4
6.3. Tag Formatting . . . . . . . . . . . . . . . . . . . . . 5
6.4. Target types . . . . . . . . . . . . . . . . . . . . . . 5
6.5. Official tags . . . . . . . . . . . . . . . . . . . . . . 7
6.6. Nesting Information . . . . . . . . . . . . . . . . . . . 7
6.7. Organization Information . . . . . . . . . . . . . . . . 9
6.8. Titles . . . . . . . . . . . . . . . . . . . . . . . . . 9
6.9. Nested Information . . . . . . . . . . . . . . . . . . . 9
6.10. Entities . . . . . . . . . . . . . . . . . . . . . . . . 10
6.11. Search and Classification . . . . . . . . . . . . . . . . 14
6.12. Temporal Information . . . . . . . . . . . . . . . . . . 15
6.13. Spacial Information . . . . . . . . . . . . . . . . . . . 16
6.14. Personal . . . . . . . . . . . . . . . . . . . . . . . . 17
6.15. Technical Information . . . . . . . . . . . . . . . . . . 18
6.16. Identifiers . . . . . . . . . . . . . . . . . . . . . . . 19
6.17. Commercial . . . . . . . . . . . . . . . . . . . . . . . 20
6.18. Legal . . . . . . . . . . . . . . . . . . . . . . . . . . 21
6.19. Notes . . . . . . . . . . . . . . . . . . . . . . . . . . 21
7. Normative References . . . . . . . . . . . . . . . . . . . . 21
8. Informative References . . . . . . . . . . . . . . . . . . . 22
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 22
1. Introduction
Matroska aims to become THE standard of multimedia container formats.
It can store timestamped multimedia data but also chapters and tags.
The "Tag Elements" add important metadata to identify and classify
the information found in a "Matroska Segment". It can tag a whole
"Segment", separate "Track Elements", individual "Chapter Elements"
or "Attachment Elements".
While the Matroska tagging framework allows anyone to create their
own custom tags, it's important to have a common set of values for
interoperability. This document intends to define a set of common
tag names used in Matroska.
Lhomme, et al. Expires 29 April 2020 [Page 2]
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