| identifier |
exact |
TrackUID |
A unique ID to identify the Track. |
Unsigned Integer |
N/A |
|
|
exact |
diverse Tags (from Matroska, undecided support in WebM) |
Pick one of ISRC (International Standard Recording
Code),
MCDI (CDROM TOC), ISBN (International Standard Book Number), BARCODE
(EAN-13 (European Article Numbering) or UPC-A (Universal Product
Code)), CATALOG_NUMBER (label-specific), LABEL_CODE (4-digit or
5-digit number to identify the record label), LCCN (Library of
Congress Control Number) |
String |
N/A |
|
|
related |
SegmentFilename (from Matroska, undecided support in
WebM) |
SegmentFilename field in Segment information as a
filename
corresponding to this segment |
String |
N/A |
|
| title |
exact |
Title (from Matroska, undecided support in WebM) |
Title field in Segment information as a general name of
the
segment |
String |
N/A |
Yes |
|
exact |
diverse Tags (from Matroska, undecided support in WebM) |
TITLE (akin to the TIT2 tag in ID3), SUBTITLE (subtitle
text) |
String |
N/A |
|
| language |
exact |
Language |
Specifies the language of the track in the Matroska
languages form |
language code |
N/A |
Yes |
|
related |
ChapLanguage (from Matroska, undecided support in WebM) |
The languages corresponding to the string, in the
bibliographic ISO-639-2 form |
language code |
N/A |
|
|
related |
TagLanguage (from Matroska, undecided support in WebM) |
Specifies the language of the tag specified, in the
Matroska
languages form |
language code |
N/A |
|
| locator |
exact |
|
file URI from system |
URI |
N/A |
|
| contributor |
exact |
diverse Tags (from Matroska, undecided support in WebM) |
LEAD_PERFORMER, ACCOMPANIMENT (TPE2 tag in ID3),
COMPOSER
(TCOM tag in ID3), ARRANGER, LYRICIST (TEXT tag in ID3), CONDUCTOR
(TPE3 tag in ID3), DIRECTOR (IART tag in RIFF), ASSISTANT_DIRECTOR,
DIRECTOR_OF_PHOTOGRAPHY (ICNM tag in Extended RIFF), SOUND_ENGINEER,
ART_DIRECTOR, PRODUCTION_DESIGNER, CHOREGRAPHER, COSTUME_DESIGNER,
ACTOR, CHARACTER, WRITTEN_BY, SCREENPLAY_BY, EDITED_BY (IEDT tag in
Extended RIFF), PRODUCER (IPRO tag in Extended RIFF), COPRODUCER,
EXECUTIVE_PRODUCER, DISTRIBUTED_BY (IDST tag in Extended RIFF),
MASTERED_BY, ENCODED_BY (TENC tag in ID3), MIXED_BY, REMIXED_BY (TPE4
tag in ID3), PRODUCTION_STUDIO (ISTD tag in Extended RIFF), THANKS_TO,
PUBLISHER (TPUB tag in ID3) |
String |
N/A |
|
| creator |
exact |
diverse Tags (from Matroska, undecided support in WebM) |
ARTIST (akin to the TPE1 tag in ID3), LABEL (record
label) |
String |
N/A |
|
| date |
exact |
DateUTC |
Date of the origin of timecode (value 0), i.e.
production date |
Date |
N/A |
|
|
related |
diverse Tags (from Matroska, undecided support in WebM) |
DATE_RELEASED (TDRL tag in ID3), DATE_RECORDED (TDRC
tag in
ID3), DATE_ENCODED (TDEN tag in ID3), DATE_TAGGED (TDTG tag in ID3),
DATE_DIGITIZED (IDIT tag in RIFF), DATE_WRITTEN, DATE_PURCHASED |
String |
N/A |
|
| location |
exact |
diverse Tags (from Matroska, undecided support in WebM) |
RECORDING_LOCATION / COMPOSITION_LOCATION (The
countries
corresponding to the string, same 2 octets as in Internet domains, or
possibly ISO-3166. This code is followed by a comma, then more
detailed information such as state/province, another comma, and then
city.), COMPOSER_NATIONALITY (The countries corresponding to the
string, same 2 octets as in Internet domains, or possibly
ISO-3166.) |
String |
N/A |
|
| description |
exact |
Name |
Name field in Tracks Element as a human readable track
name |
String |
N/A |
|
|
exact |
diverse Tags (from Matroska, undecided support in WebM) |
SUBJECT, DESCRIPTION, SUMMARY, SYNOPSIS, COMMENT |
String |
N/A |
|
| keyword |
exact |
diverse Tags (from Matroska, undecided support in WebM) |
KEYWORDS (separated by a comma), INITIAL_KEY (initial
key
that a musical track starts in), ORIGINAL_MEDIA_TYPE (TMED tag in
ID3), CONTENT_TYPE |
String |
N/A |
|
| genre |
exact |
diverse Tags (from Matroska, undecided support in WebM) |
GENRE (TCON tag in ID3), MOOD (TMOO tag in ID3) |
String |
N/A |
|
| rating |
exact |
diverse Tags (from Matroska, undecided support in WebM) |
LAW_RATING (Depending on the country it's the format of
the
rating of a movie (P, R, X in the USA, an age in other countries or a
URI defining a logo)), ICRA (content rating for parental control,
previously RSACi), RATING (how much a person likes the song/movie. The
number is between 0 and 5 with decimal values possible (e.g.
2.7)) |
String |
N/A |
|
| relation |
exact |
TargetTypeValue (from Matroska, undecided support in
WebM) |
SEASON / SEQUEL / EDITION / ISSUE / VOLUME / OPUS,
MOVIE /
EPISODE / ALBUM / OPERA / CONCERT, PART / SESSION, CHAPTER / TRACK /
SONG, SUBTRACK / PART / MOVEMENT / SCENE, SHOT |
String |
N/A |
|
| collection |
exact |
ChapterPhysicalEquiv (from Matroska, undecided support
in WebM) |
SET / PACKAGE, CD / 12" / 10" / 7" / TAPE / MINIDISC /
DAT /
DVD / VHS / LASERDISC, SIDE, LAYER, SESSION, TRACK, INDEX |
String |
N/A |
|
| publisher |
exact |
diverse Tags (from Matroska, undecided support in WebM) |
PUBLISHER (TPUB tag in ID3) |
String |
N/A |
|
| targetAudience |
related |
diverse Tags (from Matroska, undecided support in WebM) |
CONTENT_TYPE (the type of the item. e.g. Documentary,
Feature Film, Cartoon, Music Video, Music, Sound FX, ...), PERIOD (the
period that the piece is from or about) |
String |
N/A |
|
| fragments |
exact |
Cues |
Seek table provided through the following fields: Cues
(top-level element to speed seeking access), CuePoint (seek point),
CueTime (Absolute timecode according to the segment time base),
CueTrackPositions (positions for different tracks corresponding to the
timecode) |
String |
N/A |
|
| namedFragments |
exact |
Chapter |
identified by ChapterUID (uint), ChapterTimeStart
(start
timecode), ChapterTimeEnd (end timecode), ChapString (chapter name),
ChapLanguage (language used in chapter name) |
String |
N/A |
|
| frameSize |
exact |
DisplayWidth x DisplayHeight (in pixels) |
width: DisplayWidth, height: DisplayHeight; also note
the
pixel cropping for HDTV defined by PixelCropBottom, PixelCropTop,
PixelCropLeft, PixelCropRight |
unsigned integer x unsigned integer |
N/A |
|
| compression |
exact |
CodecID field |
fixed to "VP8" for video and "Vorbis" for audio |
String constant (V_VP8, A_VORBIS) |
N/A |
|
| duration |
exact |
Duration |
use TimecodeScale field to identify resolution of
Duration
field (Timecode scale in nanoseconds, e.g. 1.000.000 means all
timecodes in the segment are expressed in milliseconds), which
provides segment duration (typically a Matroska file is composed of 1
segment) |
Float |
N/A |
Yes |
| format |
exact |
CodecID field |
fixed to "VP8" for video and "Vorbis" for audio |
String constant (V_VP8, A_VORBIS) |
N/A |
|
| samplingRate |
exact |
SamplingFrequency |
Value of SamplingFrequency field (in Hz) |
float |
N/A |
|
| frameRate |
exact |
FrameRate |
Value of FrameRate field (informational only, since
frames
are timestamped) |
float |
N/A |
|
| averageBitRate |
exact |
|
calculate as bitrate = length_of_file / duration on
system |
float |
N/A |
|
| numTracks |
exact |
max TrackNumber |
maximum value on all TrackNumber field values in the
Tracks field |
unsigned integer |
N/A |
|