- From: Thierry MICHEL <tmichel@w3.org>
- Date: Sat, 06 Nov 2010 18:32:22 +0100
- To: Silvia Pfeiffer <silviapfeiffer1@gmail.com>
- CC: "public-media-annotation@w3.org" <public-media-annotation@w3.org>
Silvia, thank you for your great input. WebM container is now incorporated in the Ontology spec. http://dev.w3.org/2008/video/mediaann/mediaont-1.0/mediaont-1.0.html#d0e13268 Best, Thierry. Le 06/11/2010 10:41, Silvia Pfeiffer a écrit : > Here is your table for WebM. > Cheers, > Silvia. > > > <table class="ta20" border="1"> > <tbody> > <tr class="ro-header"> > <th class="col-mawg">MAWG</th> > <th class="col-relation">Relation</th> > <th class="col-attribute">WebM properties</th> > <th class="col-how">How to do the mapping</th> > <th class="col-datatype">Datatype</th> > <th class="col-xpath">XPath</th> > </tr> > > <tr class="ro-header"> > <td class="ma" colspan="6">Descriptive Properties (Core Set)</td> > </tr> > <tr class="ro-header"> > <td class="col-mawg" colspan="6"><em>Identification</em></td> > </tr> > <tr class="ro-even"> > <td class="ma">ma:identifier</td> > <td>exact</td> > <td>TrackUID</td> > <td>A unique ID to identify the Track.</td> > <td>Unsigned Integer</td> > <td>N/A</td> > </tr> > <tr class="ro-even"> > <td class="ma"></td> > <td>exact</td> > <td>diverse Tags (from Matroska, undecided support in WebM)</td> > <td>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)</td> > <td>String</td> > <td>N/A</td> > </tr> > <tr class="ro-even"> > <td class="ma"></td> > <td>related</td> > <td>SegmentFilename (from Matroska, undecided support in WebM)</td> > <td>SegmentFilename field in Segment information as a filename > corresponding to this segment</td> > <td>String</td> > <td>N/A</td> > </tr> > <tr class="ro-even"> > <td class="ma">ma:title</td> > <td>exact</td> > <td>Title (from Matroska, undecided support in WebM)</td> > <td>Title field in Segment information as a general name of the > segment</td> > <td>String</td> > <td>N/A</td> > </tr> > <tr class="ro-even"> > <td class="ma"></td> > <td>exact</td> > <td>diverse Tags (from Matroska, undecided support in WebM)</td> > <td>TITLE (akin to the TIT2 tag in ID3), SUBTITLE (subtitle text)</td> > <td>String</td> > <td>N/A</td> > </tr> > <tr class="ro-even"> > <td class="ma">ma:language</td> > <td>exact</td> > <td>Language</td> > <td>Specifies the language of the track in the Matroska > languages form</td> > <td>language code</td> > <td>N/A</td> > </tr> > <tr class="ro-even"> > <td class="ma"></td> > <td>related</td> > <td>ChapLanguage (from Matroska, undecided support in WebM)</td> > <td>The languages corresponding to the string, in the > bibliographic ISO-639-2 form</td> > <td>language code</td> > <td>N/A</td> > </tr> > <tr class="ro-even"> > <td class="ma"></td> > <td>related</td> > <td>TagLanguage (from Matroska, undecided support in WebM)</td> > <td>Specifies the language of the tag specified, in the Matroska > languages form</td> > <td>language code</td> > <td>N/A</td> > </tr> > <tr class="ro-even"> > <td class="ma">ma:locator</td> > <td>exact</td> > <td></td> > <td>file URI from system</td> > <td>URI</td> > <td>N/A</td> > </tr> > > <tr class="ro-header"> > <td class="col-mawg" colspan="6"><em>Creation</em></td> > </tr> > <tr class="ro-even"> > <td class="ma">ma:contributor</td> > <td>exact</td> > <td>diverse Tags (from Matroska, undecided support in WebM)</td> > <td>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)</td> > <td>String</td> > <td>N/A</td> > </tr> > <tr class="ro-even"> > <td class="ma">ma:creator</td> > <td>exact</td> > <td>diverse Tags (from Matroska, undecided support in WebM)</td> > <td>ARTIST (akin to the TPE1 tag in ID3), LABEL (record label)</td> > <td>String</td> > <td>N/A</td> > </tr> > <tr class="ro-even"> > <td class="ma">ma:createDate</td> > <td>exact</td> > <td>DateUTC</td> > <td>Date of the origin of timecode (value 0), i.e. production date</td> > <td>Date</td> > <td>N/A</td> > </tr> > <tr class="ro-even"> > <td class="ma"></td> > <td>related</td> > <td>diverse Tags (from Matroska, undecided support in WebM)</td> > <td>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</td> > <td>String</td> > <td>N/A</td> > </tr> > <tr class="ro-even"> > <td class="ma">ma:location</td> > <td>exact</td> > <td>diverse Tags (from Matroska, undecided support in WebM)</td> > <td>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.)</td> > <td>String</td> > <td>N/A</td> > </tr> > > <tr class="ro-header"> > <td class="col-mawg" colspan="6"><em>Content description</em></td> > </tr> > <tr class="ro-even"> > <td class="ma">ma:description</td> > <td>exact</td> > <td>Name</td> > <td>Name field in Tracks Element as a human readable track name</td> > <td>String</td> > <td>N/A</td> > </tr> > <tr class="ro-even"> > <td class="ma"></td> > <td>exact</td> > <td>diverse Tags (from Matroska, undecided support in WebM)</td> > <td>SUBJECT, DESCRIPTION, SUMMARY, SYNOPSIS, COMMENT</td> > <td>String</td> > <td>N/A</td> > </tr> > <tr class="ro-even"> > <td class="ma">ma:keyword</td> > <td>exact</td> > <td>diverse Tags (from Matroska, undecided support in WebM)</td> > <td>KEYWORDS (separated by a comma), INITIAL_KEY (initial key > that a musical track starts in), ORIGINAL_MEDIA_TYPE (TMED tag in > ID3), CONTENT_TYPE</td> > <td>String</td> > <td>N/A</td> > </tr> > <tr class="ro-even"> > <td class="ma">ma:genre</td> > <td>exact</td> > <td>diverse Tags (from Matroska, undecided support in WebM)</td> > <td>GENRE (TCON tag in ID3), MOOD (TMOO tag in ID3)</td> > <td>String</td> > <td>N/A</td> > </tr> > <tr class="ro-even"> > <td class="ma">ma:rating</td> > <td>exact</td> > <td>diverse Tags (from Matroska, undecided support in WebM)</td> > <td>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))</td> > <td>String</td> > <td>N/A</td> > </tr> > > <tr class="ro-header"> > <td class="col-mawg" colspan="6"><em>Relational</em></td> > </tr> > <tr class="ro-even"> > <td class="ma">ma:relation</td> > <td>exact</td> > <td>TargetTypeValue (from Matroska, undecided support in WebM)</td> > <td>SEASON / SEQUEL / EDITION / ISSUE / VOLUME / OPUS, MOVIE / > EPISODE / ALBUM / OPERA / CONCERT, PART / SESSION, CHAPTER / TRACK / > SONG, SUBTRACK / PART / MOVEMENT / SCENE, SHOT</td> > <td>String</td> > <td>N/A</td> > </tr> > <tr class="ro-even"> > <td class="ma">ma:collection</td> > <td>exact</td> > <td>ChapterPhysicalEquiv (from Matroska, undecided support in WebM)</td> > <td>SET / PACKAGE, CD / 12" / 10" / 7" / TAPE / MINIDISC / DAT / > DVD / VHS / LASERDISC, SIDE, LAYER, SESSION, TRACK, INDEX</td> > <td>String</td> > <td>N/A</td> > </tr> > > <tr class="ro-header"> > <td class="col-mawg" colspan="6"><em>Distribution</em></td> > </tr> > <tr class="ro-even"> > <td class="ma">ma:publisher</td> > <td>exact</td> > <td>diverse Tags (from Matroska, undecided support in WebM)</td> > <td>PUBLISHER (TPUB tag in ID3)</td> > <td>String</td> > <td>N/A</td> > </tr> > <tr class="ro-even"> > <td class="ma">ma:targetAudience</td> > <td>related</td> > <td>diverse Tags (from Matroska, undecided support in WebM)</td> > <td>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)</td> > <td>String</td> > <td>N/A</td> > </tr> > > <tr class="ro-header"> > <td class="col-mawg" colspan="6"><em>Fragments</em></td> > </tr> > <tr class="ro-even"> > <td class="ma">ma:fragments</td> > <td>exact</td> > <td>Cues</td> > <td>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)</td> > <td>String</td> > <td>N/A</td> > </tr> > <td class="ma">ma:namedFragments</td> > <td>exact</td> > <td>Chapter</td> > <td>identified by ChapterUID (uint), ChapterTimeStart (start > timecode), ChapterTimeEnd (end timecode), ChapString (chapter name), > ChapLanguage (language used in chapter name)</td> > <td>String</td> > <td>N/A</td> > </tr> > > <tr class="ro-header"> > <td class="col-mawg" colspan="6"><em>Technical Properties</em></td> > </tr> > <tr class="ro-even"> > <td class="ma">ma:frameSize</td> > <td>exact</td> > <td>DisplayWidth x DisplayHeight (in pixels)</td> > <td>width: DisplayWidth, height: DisplayHeight; also note the > pixel cropping for HDTV defined by PixelCropBottom, PixelCropTop, > PixelCropLeft, PixelCropRight</td> > <td>unsigned integer x unsigned integer</td> > <td>N/A</td> > </tr> > <tr class="ro-odd"> > <td class="ma">ma:compression</td> > <td>exact</td> > <td>CodecID field</td> > <td>fixed to "VP8" for video and "Vorbis" for audio</td> > <td>String constant (V_VP8, A_VORBIS)</td> > <td>N/A</td> > </tr> > <tr class="ro-even"> > <td class="ma">ma:duration</td> > <td>exact</td> > <td>Duration</td> > <td>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)</td> > <td>Float</td> > <td>N/A</td> > </tr> > <tr class="ro-odd"> > <td class="ma">ma:format</td> > <td>exact</td> > <td>CodecID field</td> > <td>fixed to "VP8" for video and "Vorbis" for audio</td> > <td>String constant (V_VP8, A_VORBIS)</td> > <td>N/A</td> > </tr> > <tr class="ro-even"> > <td class="ma">ma:samplingRate</td> > <td>exact</td> > <td>SamplingFrequency</td> > <td>Value of SamplingFrequency field (in Hz)</td> > <td>float</td> > <td>N/A</td> > </tr> > <tr class="ro-odd"> > <td class="ma">ma:frameRate</td> > <td>exact</td> > <td>FrameRate</td> > <td>Value of FrameRate field (informational only, since frames > are timestamped)</td> > <td>float</td> > <td>N/A</td> > </tr> > <tr class="ro-even"> > <td class="ma">ma:averageBitRate</td> > <td>exact</td> > <td></td> > <td>calculate as bitrate = length_of_file / duration on system</td> > <td>float</td> > <td>N/A</td> > </tr> > <tr class="ro-odd"> > <td class="ma">ma:numTracks</td> > <td>exact</td> > <td>max TrackNumber</td> > <td>maximum value on all TrackNumber field values in the Tracks field</td> > <td>unsigned integer</td> > <td>N/A</td> > </tr> > </tbody> > </table>
Received on Saturday, 6 November 2010 17:32:41 UTC