Matroska File Format with UYVY Video Encoding

Sustainability of Digital Formats Planning for Library of Congress Collections

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Matroska File Format with UYVY Video Encoding

Table of Contents

Identification and description
Local use
Sustainability factors
Quality and functionality factors
File type signifiers
Notes
Format specifications
Useful references

Format Description Properties

ID: fdd000376
Short name: Matroska_UYVY
Content categories: moving-image
Format Category: file-format, encoding
Other facets: unitary, binary, sampled
Last significant update: 2013-02-05
Draft status: Partial

Identification and description

Relationship to other formats
Full name	Matroska File Format with UYVY Video Encoding
Description	Matroska file format wrapping UYVY uncompressed video essence, typically multiplexed with soundtrack audio.
Production phase	Generally employed in post-production or editing (middle phase) and in limited modes of dissemination (final phase).
Subtype of	Matroska, Matroska Multimedia Container
Contains	UYVY, UYVY Video Picture Encoding
May contain	Audio and other essences of various types, not discussed at this time.

Local use

LC experience or existing holdings	No extensive experience.
LC preference	None. For preservation reformatting, the Library of Congress' Packard Campus for Audio-Visual Conservation has chosen MXF_OP1a_JP2_LL (lossless JPEG 2000 wrapped in MXF operational pattern 1a).

Sustainability factors

Disclosure	See Matroska and UYVY.
Documentation	See Matroska and UYVY.
Adoption	Moderate levels of adoption in professional production.
Licensing and patents	None.
Transparency	Relatively transparent; requires tools to write and read.
Self-documentation	See Matroska.
External dependencies	None.
Technical protection considerations	None.

Quality and functionality factors

Moving Image
Normal rendering	Supported
Clarity (high image resolution)	See UYVY.
Functionality beyond normal rendering	See Matroska.

File type signifiers

Tag	Value	Note
Filename extension	See note.	See Matroska.
Internet Media Type	See note.	See Matroska.
Magic numbers	See note.	See Matroska.
Microsoft FOURCC	UYVY	The encoding is identified using the codecID "V_MS/VFW/FOURCC" (Video for Windows/FOURCC) plus what Matroska calls private codec data containing the FOURCC code.

Notes

General
History

Format specifications

See Disclosure under Sustainability factors.

Useful references

URLs

Supported codecs and format of their CodecPrivate blocks (http://haali.su/mkv/codecs.pdf). Pertains to Matroska files.

Last Updated: 02/11/2013