print more accurate music playlist info on startup

ambience/meta.json

@@ -1,5 +1,5 @@
 {
-  "modified": 1671363997000,
+  "modified": 1671570872000,
   "tracks": [
     {
       "id": "F-CU7SomBvo",

bin/audio.dart

@@ -6,9 +6,15 @@ import 'package:ambience/server/playlists.dart';
 final PlaylistCollection collection = PlaylistCollection(Directory('ambience'));
 
 Future<void> loadAmbience() async {
-  await collection.reload();
-  await collection.sync();
-  _customTrackMeta();
+  await collection.loadMeta();
+  try {
+    await collection.readSource();
+    await collection.sync();
+    _customTrackMeta();
+  } on ProcessException catch (e) {
+    print('Unable to refresh playlists because '
+        '"${e.executable}" is not installed or outdated.');
+  }
 }
 
 void _customTrackMeta() {

bin/server.dart

@@ -124,17 +124,10 @@ void run(List<String> args) async {
   await createAssetPreview('web/images/assets/scene', zoomIn: true);
 
   if (Environment.enableMusic) {
-    try {
-      await loadAmbience();
-      print('Background music up to date');
-    } on Exception catch (e) {
-      print(e.toString());
-      print('Failed to extract background music sources.'
-          ' If you require the integrated music player,'
-          ' make sure you have yt-dlp and ffmpeg installed.');
-    }
+    await loadAmbience();
+    print('Loaded music playlists');
   } else {
-    print('Music player not enabled');
+    print('Music playlists not enabled');
   }
 
   print('''\nDungeon Club is ready!