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chore(metadata): maintain compatibility with new audio players (#2097)
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android/src/main/java/com/doublesymmetry/trackplayer/model/PlaybackMetadata.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,200 @@ | ||
| package com.doublesymmetry.trackplayer.model | ||
|
|
||
| import com.google.android.exoplayer2.metadata.Metadata | ||
| import com.google.android.exoplayer2.metadata.flac.VorbisComment | ||
| import com.google.android.exoplayer2.metadata.icy.IcyHeaders | ||
| import com.google.android.exoplayer2.metadata.icy.IcyInfo | ||
| import com.google.android.exoplayer2.metadata.id3.TextInformationFrame | ||
| import com.google.android.exoplayer2.metadata.id3.UrlLinkFrame | ||
| import com.google.android.exoplayer2.metadata.mp4.MdtaMetadataEntry | ||
|
|
||
| data class PlaybackMetadata( | ||
| val source: String, | ||
| var title: String? = null, | ||
| var url: String? = null, | ||
| var artist: String? = null, | ||
| var album: String? = null, | ||
| var date: String? = null, | ||
| var genre: String? = null | ||
| ) { | ||
| companion object { | ||
| /** | ||
| * ID3 Metadata (MP3) | ||
| * https://en.wikipedia.org/wiki/ID3 | ||
| */ | ||
| fun fromId3Metadata(metadata: Metadata): PlaybackMetadata? { | ||
| var handled = false | ||
|
|
||
| var title: String? = null | ||
| var url: String? = null | ||
| var artist: String? = null | ||
| var album: String? = null | ||
| var date: String? = null | ||
| var genre: String? = null | ||
|
|
||
| (0 until metadata.length()).forEach { i -> | ||
| when (val entry = metadata[i]) { | ||
| is TextInformationFrame -> { | ||
| when (entry.id.uppercase()) { | ||
| "TIT2", "TT2" -> { | ||
| handled = true | ||
| title = entry.value | ||
| } | ||
| "TALB", "TOAL", "TAL" -> { | ||
| handled = true | ||
| album = entry.value | ||
| } | ||
| "TOPE", "TPE1", "TP1" -> { | ||
| handled = true | ||
| artist = entry.value | ||
| } | ||
| "TDRC", "TOR" -> { | ||
| handled = true | ||
| date = entry.value | ||
| } | ||
| "TCON", "TCO" -> { | ||
| handled = true | ||
| genre = entry.value | ||
| } | ||
|
|
||
| } | ||
| } | ||
| is UrlLinkFrame -> { | ||
| when (entry.id.uppercase()) { | ||
| "WOAS", "WOAF", "WOAR", "WAR" -> { | ||
| handled = true; | ||
| url = entry.url; | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
|
|
||
| return if (handled) PlaybackMetadata("id3", title, url, artist, album, date, genre) else null | ||
| } | ||
|
|
||
| /** | ||
| * Shoutcast / Icecast metadata (ICY protocol) | ||
| * https://cast.readme.io/docs/icy | ||
| */ | ||
| fun fromIcy(metadata: Metadata): PlaybackMetadata? { | ||
| for (i in 0 until metadata.length()) { | ||
| when (val entry = metadata[i]) { | ||
| is IcyHeaders -> { | ||
| return PlaybackMetadata("icy-headers", title = entry.name, url = entry.url, genre = entry.genre) | ||
| } | ||
| is IcyInfo -> { | ||
| val artist: String? | ||
| val title: String? | ||
| val index = | ||
| if (entry.title == null) -1 else entry.title!!.indexOf(" - ") | ||
| if (index != -1) { | ||
| artist = entry.title!!.substring(0, index) | ||
| title = entry.title!!.substring(index + 3) | ||
| } else { | ||
| artist = null | ||
| title = entry.title | ||
| } | ||
|
|
||
| return PlaybackMetadata("icy", title = title, url = entry.url, artist = artist) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| return null | ||
| } | ||
|
|
||
| /** | ||
| * Vorbis Comments (Vorbis, FLAC, Opus, Speex, Theora) | ||
| * https://xiph.org/vorbis/doc/v-comment.html | ||
| */ | ||
| fun fromVorbisComment(metadata: Metadata): PlaybackMetadata? { | ||
| var handled = false; | ||
|
|
||
| var title: String? = null | ||
| var url: String? = null | ||
| var artist: String? = null | ||
| var album: String? = null | ||
| var date: String? = null | ||
| var genre: String? = null | ||
|
|
||
| for (i in 0 until metadata.length()) { | ||
| val entry = metadata[i] | ||
| if (entry is VorbisComment) { | ||
| when (entry.key) { | ||
| "TITLE" -> { | ||
| handled = true | ||
| title = entry.value; | ||
| } | ||
| "ARTIST" -> { | ||
| handled = true | ||
| artist = entry.value; | ||
| } | ||
| "ALBUM" -> { | ||
| handled = true | ||
| album = entry.value; | ||
| } | ||
| "DATE" -> { | ||
| handled = true | ||
| date = entry.value | ||
| } | ||
| "GENRE" -> { | ||
| handled = true | ||
| genre = entry.value | ||
| } | ||
| "URL" -> { | ||
| handled = true | ||
| url = entry.value | ||
| } | ||
| } | ||
| } | ||
| } | ||
| return if (handled) PlaybackMetadata("vorbis-comment", title, url, artist, album, date, genre) else null | ||
| } | ||
|
|
||
| /** | ||
| * QuickTime MDTA metadata (mov, qt) | ||
| * https://developer.apple.com/library/archive/documentation/QuickTime/QTFF/Metadata/Metadata.html | ||
| */ | ||
| fun fromQuickTime(metadata: Metadata): PlaybackMetadata? { | ||
| var handled = false; | ||
|
|
||
| var title: String? = null | ||
| var artist: String? = null | ||
| var album: String? = null | ||
| var date: String? = null | ||
| var genre: String? = null | ||
|
|
||
| for (i in 0 until metadata.length()) { | ||
| val entry = metadata[i]; | ||
| if (entry is MdtaMetadataEntry) { | ||
| when (entry.key) { | ||
| "com.apple.quicktime.title" -> { | ||
| handled = true | ||
| title = entry.value.toString(); | ||
| } | ||
| "com.apple.quicktime.artist" -> { | ||
| handled = true | ||
| artist = entry.value.toString(); | ||
| } | ||
| "com.apple.quicktime.album" -> { | ||
| handled = true | ||
| album = entry.value.toString(); | ||
| } | ||
| "com.apple.quicktime.creationdate" -> { | ||
| handled = true | ||
| date = entry.value.toString(); | ||
| } | ||
| "com.apple.quicktime.genre" -> { | ||
| handled = true | ||
| genre = entry.value.toString(); | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
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| return if (handled) PlaybackMetadata("quicktime", title = title, artist = artist, album = album, date = date, genre = genre) else null | ||
| } | ||
| } | ||
| } |
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