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Metadata
Metadata is information related to a media file. It may be embedded into the file or contained in a separate associated file.
Diffractor can add or update metadata such as tags, rating, description, or location. It can also understand metadata added by a camera. Diffractor has a database to cache these values for faster searching. However, the values are primarily stored in metadata to allow compatibility with other programs.
Jpeg, Tiff, Png, and Gif files have internal EXIF, IPTC, and XMP metadata extensions. Raw photos have a separate XMP file similar to Adobe products. MOV, MP4, and MP3 files have standard tags and also include an XMP block. MKV files contain an XMP block, this is not very standard and we plan to support Matroska tags in a future version. AVI files contain an XMP block.
For advanced users, the table below describes the specific metadata fields read or updated by Diffractor:
| Diffractor Property | XMP | EXIF | IPTC | MP4 | ID3 | AVI |
|---|---|---|---|---|---|---|
| album | xmpDM:album | ©alb | TALB | |||
| album.artist | xmpDM:albumArtist | aART | TPE2 | |||
| aperture | APERTURE_VALUE | |||||
| artist | xmpDM:artist dc:creator | BYLINE | ©ART | TPE1 | IA | |
| camera.manufacturer | tiff:Make | MAKE | ||||
| camera.model | tiff:Model xmpDM:cameraModel | MODEL | ||||
| city | photoshop:City | CITY | ||||
| comment | exif:UserComment xmpDM:logComment | USER_COMMENT USER_COMMENT_XP |
©cmt | CO | ||
| composer | ©wrt | |||||
| copyright | dc:rights | COPYRIGHT | COPYRIGHT_NOTICE | cprt | IC | |
| country | photoshop:Country | COUNTRY_NAME | ||||
| created | DATE_TIME DATE_TIME_DIGITIZED |
DATE_TIME_ORIGINAL | ||||
| credit | photoshop:Credit | CREDIT | ||||
| description | dc:description | IMAGE_DESCRIPTION | CAPTION | desc | ||
| disk | xmpDM:discNumber | disk | TPOS | |||
| Duration | TLEN | |||||
| encoder | ©enc | |||||
| encoding.tool | ©too | |||||
| episode | xmpDM:episode | tves | ||||
| exposure | EXPOSURE_TIME | |||||
| fnumber | FNUMBER | |||||
| focal.length | FOCAL_LENGTH | |||||
| genre | xmpDM:genre | gnre ©gen |
TCON | |||
| iso | ISO_SPEED_RATINGS | |||||
| latitude | exif:GPSLatitude | |||||
| lens | aux:Lens | LENS_MODEL MNOTE_CANON_TAG_LENS |
||||
| lens | aux:Lens | |||||
| longitude | exif:GPSLongitude | ©xyz | ||||
| media.category | stik | |||||
| orientation | ORIENTATION | |||||
| rating | xmp:Rating | IMAGE_RATING IMAGE_RATING_PERCENT |
rate | POPM | ||
| season | xmpDM:season | tvsn | ||||
| show | xmpDM:show | tvsh | ||||
| source | photoshop:Source | SOURCE | ||||
| state | photoshop:State | STATE | ||||
| synopsis | ldes | |||||
| tag | dc:subject | KEYWORDS | keyw | |||
| title | dc:title | OBJECT_NAME | NAME | TIT2 | INAM TI |
|
| track | xmpDM:trackNumber | trkn | TRCK | |||
| year | xmp:CreateDate | ©day | TYER TDRC |