opt type

opt ua

opt subtitle

opt playertype

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/models/common/video/subtitle_pref_type.dart

@@ -1,21 +1,9 @@
-enum SubtitlePrefType { off, on, withoutAi, auto }
+enum SubtitlePrefType {
+  off('默认不显示字幕'),
+  on('优先选择非自动生成(ai)字幕'),
+  withoutAi('跳过自动生成(ai)字幕，选择第一个可用字幕'),
+  auto('静音时等同第二项，非静音时等同第三项');
 
-extension SubtitlePrefTypeExt on SubtitlePrefType {
-  String get description => const [
-    '默认不显示字幕',
-    '优先选择非自动生成(ai)字幕',
-    '跳过自动生成(ai)字幕，选择第一个可用字幕',
-    '静音时等同第二项，非静音时等同第三项',
-  ][index];
-
-  static const List<String> _codeList = ['off', 'on', 'withoutAi', 'auto'];
-  String get code => _codeList[index];
-
-  static SubtitlePrefType? fromCode(String code) {
-    final index = _codeList.indexOf(code);
-    if (index != -1) {
-      return SubtitlePrefType.values[index];
-    }
-    return null;
-  }
+  final String desc;
+  const SubtitlePrefType(this.desc);
 }