Matroska Tags
draft-ietf-cellar-tags-02
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cellar S. Lhomme
Internet-Draft
Intended status: Standards Track M. Bunkus
Expires: January 23, 2020
D. Rice
July 22, 2019
Matroska Tags
draft-ietf-cellar-tags-02
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 January 23, 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 January 23, 2020 [Page 1]
Internet-Draft Matroska July 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 . . . . . . . . . . . . . . . . . . . . . 4
6.4. Target types . . . . . . . . . . . . . . . . . . . . . . 5
6.5. Official tags . . . . . . . . . . . . . . . . . . . . . . 7
6.6. Nesting Information . . . . . . . . . . . . . . . . . . . 7
6.7. Organization Information . . . . . . . . . . . . . . . . 7
6.8. Titles . . . . . . . . . . . . . . . . . . . . . . . . . 8
6.9. Nested Information . . . . . . . . . . . . . . . . . . . 8
6.10. Entities . . . . . . . . . . . . . . . . . . . . . . . . 9
6.11. Search and Classification . . . . . . . . . . . . . . . . 11
6.12. Temporal Information . . . . . . . . . . . . . . . . . . 13
6.13. Spacial Information . . . . . . . . . . . . . . . . . . . 13
6.14. Personal . . . . . . . . . . . . . . . . . . . . . . . . 14
6.15. Technical Information . . . . . . . . . . . . . . . . . . 15
6.16. Identifiers . . . . . . . . . . . . . . . . . . . . . . . 17
6.17. Commercial . . . . . . . . . . . . . . . . . . . . . . . 17
6.18. Legal . . . . . . . . . . . . . . . . . . . . . . . . . . 18
6.19. Notes . . . . . . . . . . . . . . . . . . . . . . . . . . 18
7.1. URIs . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 20
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 January 23, 2020 [Page 2]
Internet-Draft Matroska July 2019
2. Status of this document
This document is a work-in-progress specification defining the
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