musikr.tag: parse mp4 fields
This commit is contained in:
Alexander Capehart
parent
6652e351cf
commit
b6bc065a4a
3 changed files with 94 additions and 53 deletions
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@ -30,7 +30,7 @@ import org.oxycblt.musikr.util.positiveOrNull
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*
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* @see transformPositionField
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*/
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internal fun String.parseId3v2PositionField() =
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internal fun String.parseSlashPositionField() =
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split('/', limit = 2).let {
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transformPositionField(it[0].toIntOrNull(), it.getOrNull(1)?.toIntOrNull())
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}
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@ -21,98 +21,113 @@ package org.oxycblt.musikr.tag.parse
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import androidx.core.text.isDigitsOnly
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import org.oxycblt.musikr.metadata.Metadata
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import org.oxycblt.musikr.tag.Date
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import org.oxycblt.musikr.tag.format.parseId3v2PositionField
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import org.oxycblt.musikr.tag.format.parseSlashPositionField
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import org.oxycblt.musikr.tag.format.parseXiphPositionField
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import org.oxycblt.musikr.util.nonZeroOrNull
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// Note: TagLibJNI deliberately uppercases descriptive tags to avoid casing issues,
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// hence why the casing here is matched. Note that MP4 atoms are kept in their
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// original casing, as they are case-sensitive.
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// Song
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internal fun Metadata.musicBrainzId() =
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(xiph["MUSICBRAINZ_RELEASETRACKID"]
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?: xiph["MUSICBRAINZ RELEASE TRACK ID"]
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?: mp4["----:COM.APPLE.ITUNES:MUSICBRAINZ RELEASE TRACK ID"]
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?: mp4["----:COM.APPLE.ITUNES:MUSICBRAINZ_RELEASETRACKID"])
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?: id3v2["TXXX:MUSICBRAINZ RELEASE TRACK ID"]
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?: id3v2["TXXX:MUSICBRAINZ_RELEASETRACKID"])
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?.first()
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?: id3v2["TXXX:MUSICBRAINZ_RELEASETRACKID"]?.first()
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internal fun Metadata.name() = (xiph["TITLE"] ?: id3v2["TIT2"])?.first()
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internal fun Metadata.name() =
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(xiph["TITLE"] ?: mp4["©nam"] ?: mp4["©trk"] ?: id3v2["TIT2"])?.first()
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internal fun Metadata.sortName() = (xiph["TITLESORT"] ?: id3v2["TSOT"])?.first()
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internal fun Metadata.sortName() = (xiph["TITLESORT"] ?: mp4["sonm"] ?: id3v2["TSOT"])?.first()
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// Track.
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internal fun Metadata.track() =
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(parseXiphPositionField(
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xiph["TRACKNUMBER"]?.first(),
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(xiph["TOTALTRACKS"] ?: xiph["TRACKTOTAL"] ?: xiph["TRACKC"])?.first())
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?: id3v2["TRCK"]?.run { first().parseId3v2PositionField() })
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?: (mp4["trkn"] ?: id3v2["TRCK"])?.run { first().parseSlashPositionField() })
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// Disc and it's subtitle name.
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internal fun Metadata.disc() =
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(parseXiphPositionField(
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xiph["DISCNUMBER"]?.first(),
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(xiph["TOTALDISCS"] ?: xiph["DISCTOTAL"] ?: xiph["DISCC"])?.run { first() })
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?: id3v2["TPOS"]?.run { first().parseId3v2PositionField() })
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?: (mp4["disk"] ?: id3v2["TPOS"])?.run { first().parseSlashPositionField() })
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internal fun Metadata.subtitle() = (xiph["DISCSUBTITLE"] ?: id3v2["TSST"])?.first()
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// Dates are somewhat complicated, as not only did their semantics change from a flat year
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// value in ID3v2.3 to a full ISO-8601 date in ID3v2.4, but there are also a variety of
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// date types.
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// Our hierarchy for dates is as such:
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// 1. ID3v2.4 Original Date, as it resolves the "Released in X, Remastered in Y" issue
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// 2. ID3v2.4 Recording Date, as it is the most common date type
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// 3. ID3v2.4 Release Date, as it is the second most common date type
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// 4. ID3v2.3 Original Date, as it is like #1
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// 5. ID3v2.3 Release Year, as it is the most common date type
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// TODO: Show original and normal dates side-by-side
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// TODO: Handle dates that are in "January" because the actual specific release date
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// isn't known?
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internal fun Metadata.date() =
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(xiph["ORIGINALDATE"]?.run { Date.from(first()) }
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?: xiph["DATE"]?.run { Date.from(first()) }
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?: xiph["YEAR"]?.run { Date.from(first()) }
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?:
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// xiph dates are less complicated, but there are still several types
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// For ID3v 2, are somewhat complicated, as not only did their semantics change from a flat
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// year value in ID3v2.3 to a full ISO-8601 date in ID3v2.4, but there are also a variety of
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// date types.
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// Our hierarchy for dates is as such:
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// 1. ID3v2.4 Original Date, as it resolves the "Released in X, Remastered in Y" issue
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// 2. ID3v2.4 Recording Date, as it is the most common date type
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// 3. ID3v2.4 Release Date, as it is the second most common date type
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// 4. ID3v2.3 Original Date, as it is like #1
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// 5. ID3v2.3 Release Year, as it is the most common date type
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// xiph dates aren't complicated, but there are still several types
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// Our hierarchy for dates is as such:
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// 1. Original Date, as it solves the "Released in X, Remastered in Y" issue
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// 2. Date, as it is the most common date type
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// 3. Year, as old xiph tags tended to use this (I know this because it's the only
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// date tag that android supports, so it must be 15 years old or more!)
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id3v2["TDOR"]?.run { Date.from(first()) }
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?: id3v2["TDRC"]?.run { Date.from(first()) }
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?: id3v2["TDRL"]?.run { Date.from(first()) }
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?: parseId3v23Date())
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// TODO: Show original and normal dates side-by-side
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// TODO: Handle dates that are in "January" because the actual specific release date
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// isn't known?
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((xiph["ORIGINALDATE"]
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?: xiph["DATE"]
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?: xiph["YEAR"]
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?: mp4["©day"]
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?: id3v2["TDOR"]
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?: id3v2["TDRC"]
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?: id3v2["TDRL"])
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?.run { Date.from(first()) } ?: parseId3v23Date())
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// Album
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internal fun Metadata.albumMusicBrainzId() =
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(xiph["MUSICBRAINZ_ALBUMID"]
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?: xiph["MUSICBRAINZ ALBUM ID"]
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?: mp4["----:COM.APPLE.ITUNES:MUSICBRAINZ ALBUM ID"]
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?: mp4["----:COM.APPLE.ITUNES:MUSICBRAINZ_ALBUMID"]
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?: id3v2["TXXX:MUSICBRAINZ ALBUM ID"]
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?: id3v2["TXXX:MUSICBRAINZ_ALBUMID"])
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?.first()
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internal fun Metadata.albumName() = (xiph["ALBUM"] ?: id3v2["TALB"])?.first()
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internal fun Metadata.albumName() = (xiph["ALBUM"] ?: mp4["©alb"] ?: id3v2["TALB"])?.first()
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internal fun Metadata.albumSortName() = (xiph["ALBUMSORT"] ?: id3v2["TSOA"])?.first()
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internal fun Metadata.albumSortName() = (xiph["ALBUMSORT"] ?: mp4["soal"] ?: id3v2["TSOA"])?.first()
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internal fun Metadata.releaseTypes() =
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// GRP/GRP1 are assumed to also pertain to release types.
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// GRP1 is a non-standard iTunes extension.
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(xiph["RELEASETYPE"]
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?: xiph["MUSICBRAINZ ALBUM TYPE"]
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?: mp4["----:COM.APPLE.ITUNES:MUSICBRAINZ ALBUM TYPE"]
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?: mp4["----:COM.APPLE.ITUNES:RELEASETYPE"]
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?: mp4["©grp"]
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?: id3v2["TXXX:MUSICBRAINZ ALBUM TYPE"]
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?: id3v2["TXXX:RELEASETYPE"]
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?:
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// This is a non-standard iTunes extension
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id3v2["GRP1"])
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?: id3v2["GRP1"])
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// Artist
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internal fun Metadata.artistMusicBrainzIds() =
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(xiph["MUSICBRAINZ_ARTISTID"]
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?: xiph["MUSICBRAINZ ARTIST ID"]
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?: mp4["----:COM.APPLE.ITUNES:MUSICBRAINZ ARTIST ID"]
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?: mp4["----:COM.APPLE.ITUNES:MUSICBRAINZ_ARTISTID"]
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?: id3v2["TXXX:MUSICBRAINZ ARTIST ID"]
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?: id3v2["TXXX:MUSICBRAINZ_ARTISTID"])
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internal fun Metadata.artistNames() =
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(xiph["ARTISTS"]
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?: xiph["ARTIST"]
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?: mp4["----:COM.APPLE.ITUNES:ARTISTS"]
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?: mp4["©ART"]
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?: mp4["----:COM.APPLE.ITUNES:ARTIST"]
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?: id3v2["TXXX:ARTISTS"]
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?: id3v2["TPE1"]
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?: id3v2["TXXX:ARTIST"])
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@ -123,6 +138,12 @@ internal fun Metadata.artistSortNames() =
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?: xiph["ARTISTS SORT"]
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?: xiph["ARTISTSORT"]
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?: xiph["ARTIST SORT"]
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?: mp4["----:COM.APPLE.ITUNES:ARTISTSSORT"]
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?: mp4["----:COM.APPLE.ITUNES:ARTISTS_SORT"]
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?: mp4["----:COM.APPLE.ITUNES:ARTISTS SORT"]
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?: mp4["soar"]
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?: mp4["----:COM.APPLE.ITUNES:ARTISTSORT"]
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?: mp4["----:COM.APPLE.ITUNES:ARTIST SORT"]
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?: id3v2["TXXX:ARTISTSSORT"]
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?: id3v2["TXXX:ARTISTS_SORT"]
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?: id3v2["TXXX:ARTISTS SORT"]
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@ -133,6 +154,8 @@ internal fun Metadata.artistSortNames() =
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internal fun Metadata.albumArtistMusicBrainzIds() =
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(xiph["MUSICBRAINZ_ALBUMARTISTID"]
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?: xiph["MUSICBRAINZ ALBUM ARTIST ID"]
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?: mp4["----:COM.APPLE.ITUNES:MUSICBRAINZ ALBUM ARTIST ID"]
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?: mp4["----:COM.APPLE.ITUNES:MUSICBRAINZ_ALBUMARTISTID"]
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?: id3v2["TXXX:MUSICBRAINZ ALBUM ARTIST ID"]
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?: id3v2["TXXX:MUSICBRAINZ_ALBUMARTISTID"])
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@ -142,6 +165,12 @@ internal fun Metadata.albumArtistNames() =
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?: xiph["ALBUM ARTISTS"]
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?: xiph["ALBUMARTIST"]
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?: xiph["ALBUM ARTIST"]
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?: mp4["----:COM.APPLE.ITUNES:ALBUMARTISTS"]
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?: mp4["----:COM.APPLE.ITUNES:ALBUM_ARTISTS"]
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?: mp4["----:COM.APPLE.ITUNES:ALBUM ARTISTS"]
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?: mp4["aART"]
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?: mp4["----:COM.APPLE.ITUNES:ALBUMARTIST"]
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?: mp4["----:COM.APPLE.ITUNES:ALBUM ARTIST"]
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?: id3v2["TXXX:ALBUMARTISTS"]
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?: id3v2["TXXX:ALBUM_ARTISTS"]
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?: id3v2["TXXX:ALBUM ARTISTS"]
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@ -150,27 +179,37 @@ internal fun Metadata.albumArtistNames() =
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?: id3v2["TXXX:ALBUM ARTIST"])
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internal fun Metadata.albumArtistSortNames() =
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// TSO2 is a non-standard iTunes extension.
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(xiph["ALBUMARTISTSSORT"]
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?: xiph["ALBUMARTISTS_SORT"]
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?: xiph["ALBUMARTISTS SORT"]
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?: xiph["ALBUMARTISTSORT"]
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?: xiph["ALBUM ARTIST SORT"]
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?: mp4["----:COM.APPLE.ITUNES:ALBUMARTISTSSORT"]
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?: mp4["----:COM.APPLE.ITUNES:ALBUMARTISTS_SORT"]
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?: mp4["----:COM.APPLE.ITUNES:ALBUMARTISTS SORT"]
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?: mp4["----:COM.APPLE.ITUNES:ALBUMARTISTSORT"]
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?: mp4["soaa"]
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?: mp4["----:COM.APPLE.ITUNES:ALBUM ARTIST SORT"]
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?: id3v2["TXXX:ALBUMARTISTSSORT"]
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?: id3v2["TXXX:ALBUMARTISTS_SORT"]
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?: id3v2["TXXX:ALBUMARTISTS SORT"]
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?: id3v2["TXXX:ALBUMARTISTSORT"]
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// This is a non-standard iTunes extension
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?: id3v2["TSO2"]
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?: id3v2["TXXX:ALBUM ARTIST SORT"])
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// Genre
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internal fun Metadata.genreNames() = xiph["GENRE"] ?: id3v2["TCON"]
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internal fun Metadata.genreNames() = xiph["GENRE"] ?: mp4["©gen"] ?: mp4["gnre"] ?: id3v2["TCON"]
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// Compilation Flag
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internal fun Metadata.isCompilation() =
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// TCMP is a non-standard itunes extension
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(xiph["COMPILATION"]
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?: xiph["ITUNESCOMPILATION"]
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?: id3v2["TCMP"] // This is a non-standard itunes extension
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?: mp4["cpil"]
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?: mp4["----:COM.APPLE.ITUNES:COMPILATION"]
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?: mp4["----:COM.APPLE.ITUNES:ITUNESCOMPILATION"]
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?: id3v2["TCMP"]
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?: id3v2["TXXX:COMPILATION"]
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?: id3v2["TXXX:ITUNESCOMPILATION"])
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?.let {
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@ -182,11 +221,13 @@ internal fun Metadata.isCompilation() =
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internal fun Metadata.replayGainTrackAdjustment() =
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(xiph["R128_TRACK_GAIN"]?.parseR128Adjustment()
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?: xiph["REPLAYGAIN_TRACK_GAIN"]?.parseReplayGainAdjustment()
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?: mp4["----:COM.APPLE.ITUNES:REPLAYGAIN_TRACK_GAIN"]?.parseReplayGainAdjustment()
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?: id3v2["TXXX:REPLAYGAIN_TRACK_GAIN"]?.parseReplayGainAdjustment())
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internal fun Metadata.replayGainAlbumAdjustment() =
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(xiph["R128_ALBUM_GAIN"]?.parseR128Adjustment()
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?: xiph["REPLAYGAIN_ALBUM_GAIN"]?.parseReplayGainAdjustment()
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?: mp4["----:COM.APPLE.ITUNES:REPLAYGAIN_ALBUM_GAIN"]?.parseReplayGainAdjustment()
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?: id3v2["TXXX:REPLAYGAIN_ALBUM_GAIN"]?.parseReplayGainAdjustment())
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private fun List<String>.parseR128Adjustment() =
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@ -21,7 +21,7 @@ package org.oxycblt.musikr.tag.parse
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import org.junit.Assert.assertEquals
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import org.junit.Test
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import org.oxycblt.musikr.tag.format.parseId3GenreNames
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import org.oxycblt.musikr.tag.format.parseId3v2PositionField
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import org.oxycblt.musikr.tag.format.parseSlashPositionField
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import org.oxycblt.musikr.tag.format.parseXiphPositionField
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import org.oxycblt.musikr.util.correctWhitespace
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import org.oxycblt.musikr.util.splitEscaped
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@ -78,21 +78,21 @@ class TagUtilTest {
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@Test
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fun parseId3v2PositionField_correct() {
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assertEquals(16, "16/32".parseId3v2PositionField())
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assertEquals(16, "16".parseId3v2PositionField())
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assertEquals(16, "16/32".parseSlashPositionField())
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assertEquals(16, "16".parseSlashPositionField())
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}
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@Test
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fun parseId3v2PositionField_zeroed() {
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assertEquals(null, "0".parseId3v2PositionField())
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assertEquals(0, "0/32".parseId3v2PositionField())
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assertEquals(null, "0".parseSlashPositionField())
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assertEquals(0, "0/32".parseSlashPositionField())
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}
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@Test
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fun parseId3v2PositionField_wack() {
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assertEquals(16, "16/".parseId3v2PositionField())
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assertEquals(null, "a".parseId3v2PositionField())
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assertEquals(null, "a/b".parseId3v2PositionField())
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assertEquals(16, "16/".parseSlashPositionField())
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assertEquals(null, "a".parseSlashPositionField())
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assertEquals(null, "a/b".parseSlashPositionField())
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}
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@Test
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