Initial commit

lib/library/song_media.dart

@@ -0,0 +1,21 @@
+import 'package:audio_service/audio_service.dart';
+
+import '../player/audio_handler.dart';
+import 'database.dart';
+
+MediaItem songToMediaItem(Song s) => MediaItem(
+      id: Uri.file(s.path).toString(),
+      title: s.title,
+      artist: s.artist,
+      album: s.album,
+      duration: s.durationMs != null ? Duration(milliseconds: s.durationMs!) : null,
+      artUri: s.coverPath != null ? Uri.file(s.coverPath!) : null,
+    );
+
+/// Spielt [songs] ab [startIndex] ab.
+Future<void> playSongs(MeloAudioHandler handler, List<Song> songs, int startIndex) {
+  return handler.loadPlaylist(
+    songs.map(songToMediaItem).toList(),
+    startIndex: startIndex,
+  );
+}