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convert legacy ID3v1 numeric-only genres into strings

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Adrian Ulrich 2017-01-21 12:27:16 +01:00
parent 74f921e3a1
commit 1982b0f969
1 changed files with 182 additions and 1 deletions
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183
src/ch/blinkenlights/android/medialibrary/MediaMetadataExtractor.java
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@ -1,5 +1,5 @@
/*
* Copyright (C) 2016 Adrian Ulrich <adrian@blinkenlights.ch>
* Copyright (C) 2016 - 2017 Adrian Ulrich <adrian@blinkenlights.ch>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -53,6 +53,161 @@ public class MediaMetadataExtractor extends HashMap<String, ArrayList<String>> {
* Regexp matching anything
*/
private static final Pattern sFilterAny = Pattern.compile("^(.*)$");
/**
* Genres as defined by androids own MediaScanner.java
*/
private static final String[] ID3_GENRES = {
"Blues",
"Classic Rock",
"Country",
"Dance",
"Disco",
"Funk",
"Grunge",
"Hip-Hop",
"Jazz",
"Metal",
"New Age",
"Oldies",
"Other",
"Pop",
"R&B",
"Rap",
"Reggae",
"Rock",
"Techno",
"Industrial",
"Alternative",
"Ska",
"Death Metal",
"Pranks",
"Soundtrack",
"Euro-Techno",
"Ambient",
"Trip-Hop",
"Vocal",
"Jazz+Funk",
"Fusion",
"Trance",
"Classical",
"Instrumental",
"Acid",
"House",
"Game",
"Sound Clip",
"Gospel",
"Noise",
"AlternRock",
"Bass",
"Soul",
"Punk",
"Space",
"Meditative",
"Instrumental Pop",
"Instrumental Rock",
"Ethnic",
"Gothic",
"Darkwave",
"Techno-Industrial",
"Electronic",
"Pop-Folk",
"Eurodance",
"Dream",
"Southern Rock",
"Comedy",
"Cult",
"Gangsta",
"Top 40",
"Christian Rap",
"Pop/Funk",
"Jungle",
"Native American",
"Cabaret",
"New Wave",
"Psychadelic",
"Rave",
"Showtunes",
"Trailer",
"Lo-Fi",
"Tribal",
"Acid Punk",
"Acid Jazz",
"Polka",
"Retro",
"Musical",
"Rock & Roll",
"Hard Rock",
// The following genres are Winamp extensions
"Folk",
"Folk-Rock",
"National Folk",
"Swing",
"Fast Fusion",
"Bebob",
"Latin",
"Revival",
"Celtic",
"Bluegrass",
"Avantgarde",
"Gothic Rock",
"Progressive Rock",
"Psychedelic Rock",
"Symphonic Rock",
"Slow Rock",
"Big Band",
"Chorus",
"Easy Listening",
"Acoustic",
"Humour",
"Speech",
"Chanson",
"Opera",
"Chamber Music",
"Sonata",
"Symphony",
"Booty Bass",
"Primus",
"Porn Groove",
"Satire",
"Slow Jam",
"Club",
"Tango",
"Samba",
"Folklore",
"Ballad",
"Power Ballad",
"Rhythmic Soul",
"Freestyle",
"Duet",
"Punk Rock",
"Drum Solo",
"A capella",
"Euro-House",
"Dance Hall",
"Goa",
"Drum & Bass",
"Club-House",
"Hardcore",
"Terror",
"Indie",
"Britpop",
"Negerpunk",
"Polsk Punk",
"Beat",
"Christian Gangsta",
"Heavy Metal",
"Black Metal",
"Crossover",
"Contemporary Christian",
"Christian Rock",
"Merengue",
"Salsa",
"Thrash Metal",
"Anime",
"JPop",
"Synthpop",
// 148 goes here, Winamp 5.6 would have 148 -> 191 these ¯\_(ツ)_/¯
};
/**
* Constructor for MediaMetadataExtractor
@ -132,6 +287,7 @@ public class MediaMetadataExtractor extends HashMap<String, ArrayList<String>> {
break;
default:
populateSelf(mediaTags);
convertNumericGenre();
}
mediaTags.release();
@ -214,4 +370,29 @@ public class MediaMetadataExtractor extends HashMap<String, ArrayList<String>> {
put(key, list);
}
/**
* Detects legacy numeric-genre definitions and
* replaces them with one of ID3_GENRES[]
*/
private void convertNumericGenre() {
int genreIdx = -1;
String rawGenre = getFirst(GENRE);
if (rawGenre == null)
return; // no genre, nothing to do
try {
genreIdx = Integer.parseInt(rawGenre);
} catch (NumberFormatException exception) { /* genre not set or not a number */ }
if (genreIdx >= 0 && genreIdx < ID3_GENRES.length) {
ArrayList<String> data = new ArrayList<String>(1);
data.add(ID3_GENRES[genreIdx]);
remove(GENRE);
addFiltered(sFilterAny, GENRE, data);
}
}
}