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improve handling of file updates

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This commit is contained in:
Adrian Ulrich 2016-12-18 10:58:15 +01:00
parent da159cace2
commit 4429c50dec
2 changed files with 88 additions and 75 deletions
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8
src/ch/blinkenlights/android/medialibrary/MediaMetadataExtractor.java
View File

@ -76,6 +76,14 @@ public class MediaMetadataExtractor extends HashMap<String, ArrayList<String>> {
return result;
}
/**
* Returns true if this file contains any (interesting) tags
* @return true if file is considered to be tagged
*/
public boolean isTagged() {
return (containsKey(TITLE) || containsKey(ALBUM) || containsKey(ARTIST));
}
/**
* Attempts to populate this instance with tags found in given path
*

155
src/ch/blinkenlights/android/medialibrary/MediaScanner.java
View File

@ -157,114 +157,119 @@ public class MediaScanner implements Handler.Callback {
if (isBlacklisted(file))
return false;
long dbEntryMtime = mBackend.getSongMtime(songId) * 1000; // this is in unixtime -> convert to 'ms'
long fileMtime = file.lastModified();
boolean needsPurge = false;
boolean needsInsert = true;
boolean needsCleanup = false;
if (dbEntryMtime >= fileMtime) {
Log.v("VanillaMusic", "Skipping already known song with id "+songId);
return false;
return false; // on-disk mtime is older than db mtime -> nothing to do
}
if (dbEntryMtime != 0) {
// file on disk is newer: delete old entry and re-insert it
// fixme: drops play counts :-(
mBackend.delete(MediaLibrary.TABLE_SONGS, MediaLibrary.SongColumns._ID+"="+songId, null);
needsPurge = true;
needsCleanup = true;
}
MediaMetadataExtractor tags = new MediaMetadataExtractor(path);
if (tags.isEmpty())
return false; // file does not contain audio data
if (tags.isTagged() == false) {
needsInsert = false; // does not have any useable metadata: wont insert even if it is a playable file
}
// Get tags which always must be set
String title = tags.getFirst(MediaMetadataExtractor.TITLE);
if (title == null)
title = "Untitled";
if (needsInsert) {
// Get tags which always must be set
String title = tags.getFirst(MediaMetadataExtractor.TITLE);
if (title == null)
title = "Untitled";
String album = tags.getFirst(MediaMetadataExtractor.ALBUM);
if (album == null)
album = "No Album";
String album = tags.getFirst(MediaMetadataExtractor.ALBUM);
if (album == null)
album = "No Album";
String artist = tags.getFirst(MediaMetadataExtractor.ARTIST);
if (artist == null)
artist = "No Artist";
String artist = tags.getFirst(MediaMetadataExtractor.ARTIST);
if (artist == null)
artist = "No Artist";
long albumId = MediaLibrary.hash63(album);
long artistId = MediaLibrary.hash63(artist);
long albumId = MediaLibrary.hash63(album);
long artistId = MediaLibrary.hash63(artist);
ContentValues v = new ContentValues();
v.put(MediaLibrary.SongColumns._ID, songId);
v.put(MediaLibrary.SongColumns.TITLE, title);
v.put(MediaLibrary.SongColumns.TITLE_SORT, MediaLibrary.keyFor(title));
v.put(MediaLibrary.SongColumns.ALBUM_ID, albumId);
v.put(MediaLibrary.SongColumns.DURATION, tags.getFirst(MediaMetadataExtractor.DURATION));
v.put(MediaLibrary.SongColumns.SONG_NUMBER, tags.getFirst(MediaMetadataExtractor.TRACK_NUMBER));
v.put(MediaLibrary.SongColumns.YEAR, tags.getFirst(MediaMetadataExtractor.YEAR));
v.put(MediaLibrary.SongColumns.PATH, path);
mBackend.insert(MediaLibrary.TABLE_SONGS, null, v);
ContentValues v = new ContentValues();
v.put(MediaLibrary.SongColumns._ID, songId);
v.put(MediaLibrary.SongColumns.TITLE, title);
v.put(MediaLibrary.SongColumns.TITLE_SORT, MediaLibrary.keyFor(title));
v.put(MediaLibrary.SongColumns.ALBUM_ID, albumId);
v.put(MediaLibrary.SongColumns.DURATION, tags.getFirst(MediaMetadataExtractor.DURATION));
v.put(MediaLibrary.SongColumns.SONG_NUMBER, tags.getFirst(MediaMetadataExtractor.TRACK_NUMBER));
v.put(MediaLibrary.SongColumns.YEAR, tags.getFirst(MediaMetadataExtractor.YEAR));
v.put(MediaLibrary.SongColumns.PATH, path);
mBackend.insert(MediaLibrary.TABLE_SONGS, null, v);
v.clear();
v.put(MediaLibrary.AlbumColumns._ID, albumId);
v.put(MediaLibrary.AlbumColumns.ALBUM, album);
v.put(MediaLibrary.AlbumColumns.ALBUM_SORT, MediaLibrary.keyFor(album));
v.put(MediaLibrary.AlbumColumns.PRIMARY_ARTIST_ID, artistId);
v.put(MediaLibrary.AlbumColumns.PRIMARY_ALBUM_YEAR,tags.getFirst(MediaMetadataExtractor.YEAR));
v.put(MediaLibrary.AlbumColumns.DISC_NUMBER, tags.getFirst(MediaMetadataExtractor.DISC_NUMBER));
mBackend.insert(MediaLibrary.TABLE_ALBUMS, null, v);
v.clear();
v.put(MediaLibrary.ContributorColumns._ID, artistId);
v.put(MediaLibrary.ContributorColumns._CONTRIBUTOR, artist);
v.put(MediaLibrary.ContributorColumns._CONTRIBUTOR_SORT, MediaLibrary.keyFor(artist));
mBackend.insert(MediaLibrary.TABLE_CONTRIBUTORS, null, v);
v.clear();
v.put(MediaLibrary.ContributorSongColumns._CONTRIBUTOR_ID, artistId);
v.put(MediaLibrary.ContributorSongColumns.SONG_ID, songId);
v.put(MediaLibrary.ContributorSongColumns.ROLE, MediaLibrary.ROLE_ARTIST);
mBackend.insert(MediaLibrary.TABLE_CONTRIBUTORS_SONGS, null, v);
// Composers are optional: only add if we found it
String composer = tags.getFirst(MediaMetadataExtractor.COMPOSER);
if (composer != null) {
long composerId = MediaLibrary.hash63(composer);
v.clear();
v.put(MediaLibrary.ContributorColumns._ID, composerId);
v.put(MediaLibrary.ContributorColumns._CONTRIBUTOR, composer);
v.put(MediaLibrary.ContributorColumns._CONTRIBUTOR_SORT, MediaLibrary.keyFor(composer));
v.put(MediaLibrary.AlbumColumns._ID, albumId);
v.put(MediaLibrary.AlbumColumns.ALBUM, album);
v.put(MediaLibrary.AlbumColumns.ALBUM_SORT, MediaLibrary.keyFor(album));
v.put(MediaLibrary.AlbumColumns.PRIMARY_ARTIST_ID, artistId);
v.put(MediaLibrary.AlbumColumns.PRIMARY_ALBUM_YEAR,tags.getFirst(MediaMetadataExtractor.YEAR));
v.put(MediaLibrary.AlbumColumns.DISC_NUMBER, tags.getFirst(MediaMetadataExtractor.DISC_NUMBER));
mBackend.insert(MediaLibrary.TABLE_ALBUMS, null, v);
v.clear();
v.put(MediaLibrary.ContributorColumns._ID, artistId);
v.put(MediaLibrary.ContributorColumns._CONTRIBUTOR, artist);
v.put(MediaLibrary.ContributorColumns._CONTRIBUTOR_SORT, MediaLibrary.keyFor(artist));
mBackend.insert(MediaLibrary.TABLE_CONTRIBUTORS, null, v);
v.clear();
v.put(MediaLibrary.ContributorSongColumns._CONTRIBUTOR_ID, composerId);
v.put(MediaLibrary.ContributorSongColumns._CONTRIBUTOR_ID, artistId);
v.put(MediaLibrary.ContributorSongColumns.SONG_ID, songId);
v.put(MediaLibrary.ContributorSongColumns.ROLE, MediaLibrary.ROLE_COMPOSER);
v.put(MediaLibrary.ContributorSongColumns.ROLE, MediaLibrary.ROLE_ARTIST);
mBackend.insert(MediaLibrary.TABLE_CONTRIBUTORS_SONGS, null, v);
}
// A song might be in multiple genres
if (tags.containsKey(MediaMetadataExtractor.GENRE)) {
ArrayList<String> genres = tags.get(MediaMetadataExtractor.GENRE);
for (String genre : genres) {
long genreId = MediaLibrary.hash63(genre);
// Composers are optional: only add if we found it
String composer = tags.getFirst(MediaMetadataExtractor.COMPOSER);
if (composer != null) {
long composerId = MediaLibrary.hash63(composer);
v.clear();
v.put(MediaLibrary.GenreColumns._ID, genreId);
v.put(MediaLibrary.GenreColumns._GENRE, genre);
v.put(MediaLibrary.GenreColumns._GENRE_SORT, MediaLibrary.keyFor(genre));
mBackend.insert(MediaLibrary.TABLE_GENRES, null, v);
v.put(MediaLibrary.ContributorColumns._ID, composerId);
v.put(MediaLibrary.ContributorColumns._CONTRIBUTOR, composer);
v.put(MediaLibrary.ContributorColumns._CONTRIBUTOR_SORT, MediaLibrary.keyFor(composer));
mBackend.insert(MediaLibrary.TABLE_CONTRIBUTORS, null, v);
v.clear();
v.put(MediaLibrary.GenreSongColumns._GENRE_ID, genreId);
v.put(MediaLibrary.GenreSongColumns.SONG_ID, songId);
mBackend.insert(MediaLibrary.TABLE_GENRES_SONGS, null, v);
v.put(MediaLibrary.ContributorSongColumns._CONTRIBUTOR_ID, composerId);
v.put(MediaLibrary.ContributorSongColumns.SONG_ID, songId);
v.put(MediaLibrary.ContributorSongColumns.ROLE, MediaLibrary.ROLE_COMPOSER);
mBackend.insert(MediaLibrary.TABLE_CONTRIBUTORS_SONGS, null, v);
}
}
if (needsPurge)
// A song might be in multiple genres
if (tags.containsKey(MediaMetadataExtractor.GENRE)) {
ArrayList<String> genres = tags.get(MediaMetadataExtractor.GENRE);
for (String genre : genres) {
long genreId = MediaLibrary.hash63(genre);
v.clear();
v.put(MediaLibrary.GenreColumns._ID, genreId);
v.put(MediaLibrary.GenreColumns._GENRE, genre);
v.put(MediaLibrary.GenreColumns._GENRE_SORT, MediaLibrary.keyFor(genre));
mBackend.insert(MediaLibrary.TABLE_GENRES, null, v);
v.clear();
v.put(MediaLibrary.GenreSongColumns._GENRE_ID, genreId);
v.put(MediaLibrary.GenreSongColumns.SONG_ID, songId);
mBackend.insert(MediaLibrary.TABLE_GENRES_SONGS, null, v);
}
}
} // end if (needsInsert)
if (needsCleanup)
mBackend.cleanOrphanedEntries();
Log.v("VanillaMusic", "MediaScanner: inserted "+path);
return true;
return (needsInsert || needsCleanup);
}
}