opt: select dialog & feat: select subtitle if muted (#564)

* opt: select dialog

* opt: subtitle

* feat: select subtitle if muted

lib/http/video.dart

@@ -975,7 +975,7 @@ class VideoHttp {
     }
   }
 
-  static Future subtitlesJson(
+  static Future<Map<String, dynamic>> subtitlesJson(
       {String? aid, String? bvid, required int cid}) async {
     assert(aid != null || bvid != null);
     var res = await Request().get(
@@ -1016,22 +1016,25 @@ class VideoHttp {
     }
   }
 
-  static Future vttSubtitles(subtile) async {
+  static Future vttSubtitles(Map<String, dynamic> subtile) async {
     String subtitleTimecode(num seconds) {
-      int h = (seconds / 3600).floor();
+      int h = seconds ~/ 3600;
-      int m = ((seconds % 3600) / 60).floor();
+      seconds %= 3600;
-      int s = (seconds % 60).floor();
+      int m = seconds ~/ 60;
-      int ms = ((seconds * 1000) % 1000).floor();
+      seconds %= 60;
-      if (h == 0) {
+      String sms = seconds.toStringAsFixed(3).padLeft(6, '0');
-        return "${m.toString().padLeft(2, '0')}:${s.toString().padLeft(2, '0')}.${ms.toString().padLeft(3, '0')}";
+      return h == 0
-      }
+          ? "${m.toString().padLeft(2, '0')}:$sms"
-      return "${h.toString().padLeft(2, '0')}:${m.toString().padLeft(2, '0')}:${s.toString().padLeft(2, '0')}.${ms.toString().padLeft(3, '0')}";
+          : "${h.toString().padLeft(2, '0')}:${m.toString().padLeft(2, '0')}:$sms";
     }
 
     String processList(List list) {
-      return list.fold('WEBVTT\n\n', (previous, item) {
+      final sb = StringBuffer('WEBVTT\n\n');
-        return '$previous${item?['sid'] ?? 0}\n${subtitleTimecode(item['from'])} --> ${subtitleTimecode(item['to'])}\n${item['content'].trim()}\n\n';
+      sb.writeAll(
-      });
+          list.map((item) =>
+              '${item?['sid'] ?? 0}\n${subtitleTimecode(item['from'])} --> ${subtitleTimecode(item['to'])}\n${item['content'].trim()}'),
+          '\n\n');
+      return sb.toString();
     }
 
     var res = await Request().get("https:${subtile['subtitle_url']}");

lib/models/live/quality.dart

@@ -39,5 +39,5 @@ extension VideoQualityDesc on LiveQuality {
     '高清',
     '流畅',
   ];
-  get description => _descList[index];
+  String get description => _descList[index];
 }

lib/models/video/play/quality.dart

@@ -56,7 +56,7 @@ extension VideoQualityDesc on VideoQuality {
     '杜比视界',
     '8K 超高清'
   ];
-  get description => _descList[index];
+  String get description => _descList[index];
 }
 
 ///
@@ -89,7 +89,7 @@ extension AudioQualityDesc on AudioQuality {
     '杜比全景声',
     'Hi-Res无损',
   ];
-  get description => _descList[index];
+  String get description => _descList[index];
 }
 
 enum VideoDecodeFormats {
@@ -101,12 +101,12 @@ enum VideoDecodeFormats {
 
 extension VideoDecodeFormatsDesc on VideoDecodeFormats {
   static final List<String> _descList = ['DVH1', 'AV1', 'HEVC', 'AVC'];
-  get description => _descList[index];
+  String get description => _descList[index];
 }
 
 extension VideoDecodeFormatsCode on VideoDecodeFormats {
   static final List<String> _codeList = ['dvh1', 'av01', 'hev1', 'avc1'];
-  get code => _codeList[index];
+  String get code => _codeList[index];
 
   static VideoDecodeFormats? fromCode(String code) {
     final index = _codeList.indexOf(code);

lib/models/video/play/subtitle.dart

@@ -1,16 +1,17 @@
-enum SubtitlePreference { off, on, withoutAi }
+enum SubtitlePreference { off, on, withoutAi, auto }
 
 extension SubtitlePreferenceDesc on SubtitlePreference {
   static final List<String> _descList = [
     '默认不显示字幕',
-    '选择第一个可用字幕',
+    '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'
+    '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'
   ];
-  get description => _descList[index];
+  String get description => _descList[index];
 }
 
 extension SubtitlePreferenceCode on SubtitlePreference {
-  static final List<String> _codeList = ['off', 'on', 'withoutAi'];
+  static const List<String> _codeList = ['off', 'on', 'withoutAi', 'auto'];
   String get code => _codeList[index];
 
   static SubtitlePreference? fromCode(String code) {

lib/pages/setting/pages/color_select.dart

@@ -61,9 +61,9 @@ class _ColorSelectPageState extends State<ColorSelectPage> {
                   return SelectDialog<ThemeType>(
                       title: '主题模式',
                       value: ctr.themeType.value,
-                      values: ThemeType.values.map((e) {
+                      values: ThemeType.values
-                        return {'title': e.description, 'value': e};
+                          .map((e) => (e, e.description))
-                      }).toList());
+                          .toList());
                 },
               );
               if (result != null) {

lib/pages/setting/widgets/model.dart

@@ -280,7 +280,7 @@ List<SettingsModel> get styleSettings => [
                 title: '动态页UP主显示位置',
                 value: GStorage.upPanelPosition,
                 values: UpPanelPosition.values.map((e) {
-                  return {'title': e.labels, 'value': e};
+                  return (e, e.labels);
                 }).toList(),
               );
             },
@@ -318,7 +318,7 @@ List<SettingsModel> get styleSettings => [
                 title: '动态未读标记',
                 value: GStorage.dynamicBadgeType,
                 values: DynamicBadgeMode.values.map((e) {
-                  return {'title': e.description, 'value': e};
+                  return (e, e.description);
                 }).toList(),
               );
             },
@@ -350,7 +350,7 @@ List<SettingsModel> get styleSettings => [
                 title: '消息未读标记',
                 value: GStorage.msgBadgeMode,
                 values: DynamicBadgeMode.values.map((e) {
-                  return {'title': e.description, 'value': e};
+                  return (e, e.description);
                 }).toList(),
               );
             },
@@ -516,7 +516,7 @@ List<SettingsModel> get styleSettings => [
                   value: GStorage.themeType,
                   values: ThemeType.values.map(
                     (e) {
-                      return {'title': e.description, 'value': e};
+                      return (e, e.description);
                     },
                   ).toList());
             },
@@ -562,7 +562,7 @@ List<SettingsModel> get styleSettings => [
                 title: '首页启动页',
                 value: GStorage.defaultHomePage,
                 values: defaultNavigationBars.map((e) {
-                  return {'title': e['label'], 'value': e['id']};
+                  return (e['id'] as int, e['label'] as String);
                 }).toList(),
               );
             },
@@ -766,9 +766,10 @@ List<SettingsModel> get playSettings => [
                 title: '字幕选择偏好',
                 value: GStorage.setting.get(SettingBoxKey.subtitlePreference,
                     defaultValue: SubtitlePreference.values.first.code),
-                  values: SubtitlePreference.values.map((e) {
+                values: SubtitlePreference.values
-                    return {'title': e.description, 'value': e.code};
+                    .map((e) => (e.code, e.description))
-                  }).toList());
+                    .toList(),
+              );
             },
           );
           if (result != null) {
@@ -879,7 +880,7 @@ List<SettingsModel> get playSettings => [
                   title: '默认全屏方向',
                   value: GStorage.defaultFullScreenMode,
                   values: FullScreenMode.values.map((e) {
-                    return {'title': e.description, 'value': e.code};
+                    return (e.code, e.description);
                   }).toList());
             },
           );
@@ -903,7 +904,7 @@ List<SettingsModel> get playSettings => [
                   title: '底部进度条展示',
                   value: GStorage.defaultBtmProgressBehavior,
                   values: BtmProgressBehavior.values.map((e) {
-                    return {'title': e.description, 'value': e.code};
+                    return (e.code, e.description);
                   }).toList());
             },
           );
@@ -972,12 +973,7 @@ List<SettingsModel> get videoSettings => [
           String? result = await showDialog(
             context: Get.context!,
             builder: (context) {
-              return SelectDialog<String>(
+              return CdnSelectDialog();
-                  title: 'CDN 设置',
-                  value: GStorage.defaultCDNService,
-                  values: CDNService.values.map((e) {
-                    return {'title': e.description, 'value': e.code};
-                  }).toList());
             },
           );
           if (result != null) {
@@ -1007,7 +1003,7 @@ List<SettingsModel> get videoSettings => [
         title: '默认画质',
         leading: const Icon(Icons.video_settings_outlined),
         getSubtitle: () =>
-            '当前画质：${VideoQualityCode.fromCode(GStorage.defaultVideoQa)!.description!}',
+            '当前画质：${VideoQualityCode.fromCode(GStorage.defaultVideoQa)!.description}',
         onTap: (setState) async {
           int? result = await showDialog(
             context: Get.context!,
@@ -1015,9 +1011,9 @@ List<SettingsModel> get videoSettings => [
               return SelectDialog<int>(
                 title: '默认画质',
                 value: GStorage.defaultVideoQa,
-                values: VideoQuality.values.reversed.map((e) {
+                values: VideoQuality.values.reversed
-                  return {'title': e.description, 'value': e.code};
+                    .map((e) => (e.code, e.description))
-                }).toList(),
+                    .toList(),
               );
             },
           );
@@ -1032,7 +1028,7 @@ List<SettingsModel> get videoSettings => [
         title: '蜂窝网络画质',
         leading: const Icon(Icons.video_settings_outlined),
         getSubtitle: () =>
-            '当前画质：${VideoQualityCode.fromCode(GStorage.defaultVideoQaCellular)!.description!}',
+            '当前画质：${VideoQualityCode.fromCode(GStorage.defaultVideoQaCellular)!.description}',
         onTap: (setState) async {
           int? result = await showDialog(
             context: Get.context!,
@@ -1041,7 +1037,7 @@ List<SettingsModel> get videoSettings => [
                 title: '蜂窝网络画质',
                 value: GStorage.defaultVideoQaCellular,
                 values: VideoQuality.values.reversed.map((e) {
-                  return {'title': e.description, 'value': e.code};
+                  return (e.code, e.description);
                 }).toList(),
               );
             },
@@ -1058,7 +1054,7 @@ List<SettingsModel> get videoSettings => [
         title: '默认音质',
         leading: const Icon(Icons.music_video_outlined),
         getSubtitle: () =>
-            '当前音质：${AudioQualityCode.fromCode(GStorage.defaultAudioQa)!.description!}',
+            '当前音质：${AudioQualityCode.fromCode(GStorage.defaultAudioQa)!.description}',
         onTap: (setState) async {
           int? result = await showDialog(
             context: Get.context!,
@@ -1066,9 +1062,9 @@ List<SettingsModel> get videoSettings => [
               return SelectDialog<int>(
                 title: '默认音质',
                 value: GStorage.defaultAudioQa,
-                values: AudioQuality.values.reversed.map((e) {
+                values: AudioQuality.values.reversed
-                  return {'title': e.description, 'value': e.code};
+                    .map((e) => (e.code, e.description))
-                }).toList(),
+                    .toList(),
               );
             },
           );
@@ -1083,7 +1079,7 @@ List<SettingsModel> get videoSettings => [
         title: '蜂窝网络音质',
         leading: const Icon(Icons.music_video_outlined),
         getSubtitle: () =>
-            '当前音质：${AudioQualityCode.fromCode(GStorage.defaultAudioQaCellular)!.description!}',
+            '当前音质：${AudioQualityCode.fromCode(GStorage.defaultAudioQaCellular)!.description}',
         onTap: (setState) async {
           int? result = await showDialog(
             context: Get.context!,
@@ -1092,7 +1088,7 @@ List<SettingsModel> get videoSettings => [
                 title: '蜂窝网络音质',
                 value: GStorage.defaultAudioQaCellular,
                 values: AudioQuality.values.reversed.map((e) {
-                  return {'title': e.description, 'value': e.code};
+                  return (e.code, e.description);
                 }).toList(),
               );
             },
@@ -1109,7 +1105,7 @@ List<SettingsModel> get videoSettings => [
         title: '直播默认画质',
         leading: const Icon(Icons.video_settings_outlined),
         getSubtitle: () =>
-            '当前画质：${LiveQualityCode.fromCode(GStorage.liveQuality)!.description!}',
+            '当前画质：${LiveQualityCode.fromCode(GStorage.liveQuality)!.description}',
         onTap: (setState) async {
           int? result = await showDialog(
             context: Get.context!,
@@ -1117,9 +1113,9 @@ List<SettingsModel> get videoSettings => [
               return SelectDialog<int>(
                 title: '直播默认画质',
                 value: GStorage.liveQuality,
-                values: LiveQuality.values.map((e) {
+                values: LiveQuality.values
-                  return {'title': e.description, 'value': e.code};
+                    .map((e) => (e.code, e.description))
-                }).toList(),
+                    .toList(),
               );
             },
           );
@@ -1134,7 +1130,7 @@ List<SettingsModel> get videoSettings => [
         title: '蜂窝网络直播默认画质',
         leading: const Icon(Icons.video_settings_outlined),
         getSubtitle: () =>
-            '当前画质：${LiveQualityCode.fromCode(GStorage.liveQualityCellular)!.description!}',
+            '当前画质：${LiveQualityCode.fromCode(GStorage.liveQualityCellular)!.description}',
         onTap: (setState) async {
           int? result = await showDialog(
             context: Get.context!,
@@ -1143,7 +1139,7 @@ List<SettingsModel> get videoSettings => [
                 title: '直播默认画质',
                 value: GStorage.liveQualityCellular,
                 values: LiveQuality.values.map((e) {
-                  return {'title': e.description, 'value': e.code};
+                  return (e.code, e.description);
                 }).toList(),
               );
             },
@@ -1160,7 +1156,7 @@ List<SettingsModel> get videoSettings => [
         title: '首选解码格式',
         leading: const Icon(Icons.movie_creation_outlined),
         getSubtitle: () =>
-            '首选解码格式：${VideoDecodeFormatsCode.fromCode(GStorage.defaultDecode)!.description!}，请根据设备支持情况与需求调整',
+            '首选解码格式：${VideoDecodeFormatsCode.fromCode(GStorage.defaultDecode)!.description}，请根据设备支持情况与需求调整',
         onTap: (setState) async {
           String? result = await showDialog(
             context: Get.context!,
@@ -1168,9 +1164,9 @@ List<SettingsModel> get videoSettings => [
               return SelectDialog<String>(
                   title: '默认解码格式',
                   value: GStorage.defaultDecode,
-                  values: VideoDecodeFormats.values.map((e) {
+                  values: VideoDecodeFormats.values
-                    return {'title': e.description, 'value': e.code};
+                      .map((e) => (e.code, e.description))
-                  }).toList());
+                      .toList());
             },
           );
           if (result != null) {
@@ -1183,7 +1179,7 @@ List<SettingsModel> get videoSettings => [
         settingsType: SettingsType.normal,
         title: '次选解码格式',
         getSubtitle: () =>
-            '非杜比视频次选：${VideoDecodeFormatsCode.fromCode(GStorage.secondDecode)!.description!}，仍无则选择首个提供的解码格式',
+            '非杜比视频次选：${VideoDecodeFormatsCode.fromCode(GStorage.secondDecode)!.description}，仍无则选择首个提供的解码格式',
         leading: const Icon(Icons.swap_horizontal_circle_outlined),
         onTap: (setState) async {
           String? result = await showDialog(
@@ -1193,7 +1189,7 @@ List<SettingsModel> get videoSettings => [
                   title: '次选解码格式',
                   value: GStorage.secondDecode,
                   values: VideoDecodeFormats.values.map((e) {
-                    return {'title': e.description, 'value': e.code};
+                    return (e.code, e.description);
                   }).toList());
             },
           );
@@ -1245,7 +1241,7 @@ List<SettingsModel> get videoSettings => [
                     'display-desync',
                     'desync'
                   ].map((e) {
-                    return {'title': e, 'value': e};
+                    return (e, e);
                   }).toList());
             },
           );
@@ -1269,7 +1265,7 @@ List<SettingsModel> get videoSettings => [
                   value: GStorage.hardwareDecoding,
                   values:
                       ['auto', 'auto-copy', 'auto-safe', 'no', 'yes'].map((e) {
-                    return {'title': e, 'value': e};
+                    return (e, e);
                   }).toList());
             },
           );
@@ -1872,18 +1868,18 @@ List<SettingsModel> get extraSettings => [
               return SelectDialog<String>(
                   title: '音量均衡',
                   value: audioNormalization,
-                  values: values.map((e) {
+                  values: values
-                    return {
+                      .map((e) => (
-                      'title': switch (e) {
+                            switch (e) {
                               '0' => AudioNormalization.disable.title,
                               '1' => AudioNormalization.dynaudnorm.title,
                               '2' => AudioNormalization.loudnorm.title,
                               '3' => AudioNormalization.custom.title,
                               _ => e,
                             },
-                      'value': e,
+                            e
-                    };
+                          ))
-                  }).toList());
+                      .toList());
             },
           );
           if (result != null) {
@@ -1943,7 +1939,7 @@ List<SettingsModel> get extraSettings => [
                   value:
                       SuperResolutionType.values[GStorage.superResolutionType],
                   values: SuperResolutionType.values.map((e) {
-                    return {'title': e.title, 'value': e};
+                    return (e, e.title);
                   }).toList());
             },
           );
@@ -2268,7 +2264,7 @@ List<SettingsModel> get extraSettings => [
                 title: '评论展示',
                 value: GStorage.defaultReplySort,
                 values: ReplySortType.values.map((e) {
-                  return {'title': e.title, 'value': e.index};
+                  return (e.index, e.title);
                 }).toList(),
               );
             },
@@ -2294,7 +2290,7 @@ List<SettingsModel> get extraSettings => [
                   title: '动态展示',
                   value: GStorage.defaultDynamicType,
                   values: DynamicsType.values.sublist(0, 4).map((e) {
-                    return {'title': e.labels, 'value': e.index};
+                    return (e.index, e.labels);
                   }).toList());
             },
           );
@@ -2319,7 +2315,7 @@ List<SettingsModel> get extraSettings => [
                   title: '用户页默认展示TAB',
                   value: GStorage.memberTab,
                   values: MemberTabType.values.map((e) {
-                    return {'title': e.title, 'value': e};
+                    return (e, e.title);
                   }).toList());
             },
           );
@@ -2511,12 +2507,9 @@ SettingsModel _getVideoFilterSelectModel({
               values: (values
                     ..addIf(!values.contains(value), value)
                     ..sort())
-                  .map((e) => {
+                  .map((e) => (e, suffix == null ? e.toString() : '$e $suffix'))
-                        'title': suffix == null ? e.toString() : '$e $suffix',
-                        'value': e
-                      })
                   .toList()
-                ..add({'title': '自定义', 'value': -1}));
+                ..add((-1, '自定义')));
         },
       );
       if (result != null) {

lib/pages/setting/widgets/select_dialog.dart

@@ -1,137 +1,200 @@
+import 'dart:async';
+
 import 'package:PiliPlus/http/constants.dart';
 import 'package:PiliPlus/http/video.dart';
 import 'package:PiliPlus/models/video/play/CDN.dart';
 import 'package:PiliPlus/models/video/play/url.dart';
-import 'package:PiliPlus/utils/extension.dart';
 import 'package:PiliPlus/utils/storage.dart';
 import 'package:PiliPlus/utils/video_utils.dart';
 import 'package:dio/dio.dart';
 import 'package:flutter/material.dart';
-import 'package:get/get_utils/get_utils.dart';
 
-class SelectDialog<T> extends StatefulWidget {
+class SelectDialog<T> extends StatelessWidget {
-  final T value;
+  final T? value;
   final String title;
-  final List<dynamic> values;
+  final List<(T, String)> values;
+  final Widget Function(BuildContext, int)? subtitleBuilder;
+
   const SelectDialog({
     super.key,
-    required this.value,
+    this.value,
     required this.values,
     required this.title,
+    this.subtitleBuilder,
   });
 
-  @override
-  State<SelectDialog<T>> createState() => _SelectDialogState<T>();
-}
-
-class _SelectDialogState<T> extends State<SelectDialog<T>> {
-  late T _tempValue;
-  late List _cdnResList;
-  late final cdnSpeedTest = GStorage.cdnSpeedTest;
-
-  @override
-  void initState() {
-    super.initState();
-    _tempValue = widget.value;
-    if (widget.title == 'CDN 设置' && cdnSpeedTest) {
-      _cdnResList = List.generate(widget.values.length, (_) => null);
-
-      WidgetsBinding.instance.addPostFrameCallback((_) async {
-        try {
-          dynamic result = await VideoHttp.videoUrl(
-            cid: 196018899,
-            bvid: 'BV1fK4y1t7hj',
-          );
-          if (result['status']) {
-            VideoItem videoItem = result['data'].dash.video.first;
-
-            for (CDNService item in CDNService.values) {
-              if (mounted.not) {
-                break;
-              }
-              String videoUrl = VideoUtils.getCdnUrl(videoItem, item.code);
-              Dio dio = Dio()..options.headers['referer'] = HttpString.baseUrl;
-              int maxSize = 8 * 1024 * 1024;
-              int downloaded = 0;
-              int start = DateTime.now().millisecondsSinceEpoch;
-              try {
-                await dio.get(
-                  videoUrl,
-                  onReceiveProgress: (int count, int total) {
-                    downloaded += count;
-                    int now = DateTime.now().millisecondsSinceEpoch;
-                    if (now - start > 15 * 1000) {
-                      dio.close(force: true);
-                    }
-                    if (downloaded >= maxSize) {
-                      dio.close(force: true);
-                      _cdnResList[item.index] =
-                          (maxSize / (now - start) / 1000).toPrecision(2);
-                      if (mounted) {
-                        setState(() {});
-                      }
-                    }
-                  },
-                );
-              } catch (e) {
-                if (_cdnResList[item.index] == null) {
-                  _cdnResList[item.index] = '测速失败';
-                  debugPrint('$e');
-                  if (mounted) {
-                    setState(() {});
-                  }
-                }
-              }
-            }
-          }
-        } catch (e) {
-          debugPrint('failed to check: $e');
-        }
-      });
-    }
-  }
-
   @override
   Widget build(BuildContext context) {
     return AlertDialog(
       clipBehavior: Clip.hardEdge,
-      title: Text(widget.title),
+      title: Text(title),
       contentPadding: const EdgeInsets.fromLTRB(0, 12, 0, 12),
-      content: StatefulBuilder(builder: (context, StateSetter setState) {
+      content: SingleChildScrollView(
-        return SingleChildScrollView(
         child: Column(
           mainAxisSize: MainAxisSize.min,
           children: List.generate(
-              widget.values.length,
+            values.length,
-              (index) => RadioListTile(
+            (index) => RadioListTile<T>(
               dense: true,
-                value: widget.values[index]['value'],
+              value: values[index].$1,
               title: Text(
-                  widget.values[index]['title'],
+                values[index].$2,
                 style: Theme.of(context).textTheme.titleMedium!,
               ),
-                subtitle: widget.title == 'CDN 设置' && cdnSpeedTest
+              subtitle: subtitleBuilder?.call(context, index),
-                    ? Text(
+              groupValue: value,
-                        _cdnResList[index] is double
+              onChanged: Navigator.of(context).pop,
-                            ? '${_cdnResList[index]} MB/s'
+            ),
-                            : _cdnResList[index] is String
+          ),
-                                ? _cdnResList[index]
+        ),
-                                : '---',
+      ),
-                        style: TextStyle(fontSize: 13),
+    );
+  }
+}
+
+class CdnSelectDialog extends StatefulWidget {
+  final VideoItem? sample;
+
+  const CdnSelectDialog({
+    super.key,
+    this.sample,
+  });
+
+  @override
+  State<CdnSelectDialog> createState() => _CdnSelectDialogState();
+}
+
+class _CdnSelectDialogState extends State<CdnSelectDialog> {
+  late final List<ValueNotifier<String?>> _cdnResList;
+  late final CancelToken _cancelToken;
+  bool _cdnSpeedTest = false;
+
+  @override
+  void initState() {
+    _cdnSpeedTest = GStorage.cdnSpeedTest;
+    if (_cdnSpeedTest) {
+      _startSpeedTest();
+      _cdnResList = List.generate(
+          CDNService.values.length, (_) => ValueNotifier<String?>(null));
+      _cancelToken = CancelToken();
+    }
+    super.initState();
+  }
+
+  @override
+  void dispose() {
+    if (_cdnSpeedTest) {
+      _cancelToken.cancel();
+      for (final notifier in _cdnResList) {
+        notifier.dispose();
+      }
+    }
+    super.dispose();
+  }
+
+  Future<VideoItem> _getSampleUrl() async {
+    final result =
+        await VideoHttp.videoUrl(cid: 196018899, bvid: 'BV1fK4y1t7hj');
+    if (!result['status']) throw Exception('无法获取视频流');
+    return result['data'].dash.video.first;
+  }
+
+  Future<void> _startSpeedTest() async {
+    try {
+      final videoItem = widget.sample ?? await _getSampleUrl();
+      await _testAllCdnServices(videoItem);
+    } catch (e) {
+      debugPrint('CDN speed test failed: $e');
+    }
+  }
+
+  Future<void> _testAllCdnServices(VideoItem videoItem) async {
+    for (final item in CDNService.values) {
+      if (!mounted) break;
+      await _testSingleCdn(item, videoItem);
+    }
+  }
+
+  Future<void> _testSingleCdn(CDNService item, VideoItem videoItem) async {
+    try {
+      final cdnUrl = VideoUtils.getCdnUrl(videoItem, item.code);
+      await _measureDownloadSpeed(cdnUrl, item.index);
+    } catch (e) {
+      _handleSpeedTestError(e, item.index);
+    }
+  }
+
+  Future<void> _measureDownloadSpeed(String url, int index) async {
+    const maxSize = 8 * 1024 * 1024;
+    int downloaded = 0;
+    final dio = Dio()..options.headers['referer'] = HttpString.baseUrl;
+    final start = DateTime.now().microsecondsSinceEpoch;
+
+    await dio.get(
+      url,
+      cancelToken: _cancelToken,
+      onReceiveProgress: (count, total) {
+        if (!mounted) {
+          dio.close(force: true);
+          return;
+        }
+        final duration = DateTime.now().microsecondsSinceEpoch - start;
+
+        downloaded += count;
+
+        if (duration > 15000000) {
+          dio.close(force: true);
+          if (downloaded > 0) {
+            _updateSpeedResult(index, downloaded, duration);
+            downloaded = 0;
+          } else {
+            throw TimeoutException('测速超时');
+          }
+        } else if (downloaded >= maxSize) {
+          dio.close(force: true);
+          _updateSpeedResult(index, downloaded, duration);
+          downloaded = 0;
+        }
+      },
+    );
+  }
+
+  void _updateSpeedResult(int index, int downloaded, int duration) {
+    final speed = (downloaded / duration).toStringAsPrecision(3);
+    _cdnResList[index].value = '${speed}MB/s';
+  }
+
+  void _handleSpeedTestError(dynamic error, int index) {
+    if (_cdnResList[index].value != null) return;
+
+    debugPrint('CDN speed test error: $error');
+    if (!mounted) return;
+    var message = error.toString();
+    if (message.length > 30) {
+      message = '${message.substring(0, 30)}...';
+    } else if (message.isEmpty) {
+      message = '测速失败';
+    }
+    _cdnResList[index].value = message;
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return SelectDialog<String>(
+      title: 'CDN 设置',
+      values: CDNService.values.map((i) => (i.code, i.description)).toList(),
+      value: GStorage.defaultCDNService,
+      subtitleBuilder: _cdnSpeedTest
+          ? (context, index) => ValueListenableBuilder(
+                valueListenable: _cdnResList[index],
+                builder: (context, value, _) {
+                  return Text(
+                    _cdnResList[index].value ?? '---',
+                    style: const TextStyle(fontSize: 13),
+                  );
+                },
               )
           : null,
-                groupValue: _tempValue,
-                onChanged: (value) {
-                  setState(() {
-                    _tempValue = value as T;
-                  });
-                  Navigator.pop(context, _tempValue);
-                },
-              ),
-            ),
-          ),
-        );
-      }),
     );
   }
 }

lib/pages/video/detail/controller.dart

@@ -14,7 +14,6 @@ import 'package:PiliPlus/models/common/sponsor_block/segment_model.dart';
 import 'package:PiliPlus/models/common/sponsor_block/segment_type.dart';
 import 'package:PiliPlus/models/common/sponsor_block/skip_type.dart';
 import 'package:PiliPlus/models/video/later.dart';
-import 'package:PiliPlus/models/video/play/subtitle.dart';
 import 'package:PiliPlus/models/video_detail_res.dart';
 import 'package:PiliPlus/pages/search/widgets/search_text.dart';
 import 'package:PiliPlus/pages/video/detail/introduction/controller.dart';
@@ -29,6 +28,7 @@ import 'package:extended_nested_scroll_view/extended_nested_scroll_view.dart';
 import 'package:floating/floating.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
+import 'package:flutter_volume_controller/flutter_volume_controller.dart';
 import 'package:get/get.dart';
 import 'package:PiliPlus/http/constants.dart';
 import 'package:PiliPlus/http/video.dart';
@@ -1361,7 +1361,7 @@ class VideoDetailController extends GetxController
     }
   }
 
-  RxList subtitles = [].obs;
+  RxList subtitles = RxList();
   late final Map<int, String> _vttSubtitles = {};
   late final RxInt vttSubtitlesIndex = (-1).obs;
   late bool showVP = true;
@@ -1412,7 +1412,7 @@ class VideoDetailController extends GetxController
     steinEdgeInfo = null;
     try {
       dynamic res = await Request().get(
-        'https://api.bilibili.com/x/stein/edgeinfo_v2',
+        '/x/stein/edgeinfo_v2',
         queryParameters: {
           'bvid': bvid,
           'graph_version': graphVersion,
@@ -1432,7 +1432,7 @@ class VideoDetailController extends GetxController
   late bool continuePlayingPart = GStorage.continuePlayingPart;
 
   Future _querySubtitles() async {
-    Map res = await VideoHttp.subtitlesJson(bvid: bvid, cid: cid.value);
+    var res = await VideoHttp.subtitlesJson(bvid: bvid, cid: cid.value);
     // if (!res["status"]) {
     //   SmartDialog.showToast('查询字幕错误，${res["msg"]}');
     // }
@@ -1492,25 +1492,21 @@ class VideoDetailController extends GetxController
       }
 
       if (res["subtitles"] is List && res["subtitles"].isNotEmpty) {
-        vttSubtitlesIndex.value = 0;
+        int idx = 0;
         subtitles.value = res["subtitles"];
 
-        String preference = setting.get(
+        String preference = GStorage.defaultSubtitlePreference;
-          SettingBoxKey.subtitlePreference,
+        if (preference != 'off') {
-          defaultValue: SubtitlePreference.values.first.code,
+          idx = subtitles.indexWhere((i) => !i['lan']!.startsWith('ai')) + 1;
-        );
+          if (idx == 0) {
-        if (preference == 'on') {
+            if (preference == 'on' ||
-          vttSubtitlesIndex.value = 1;
+                (preference == 'auto' &&
-        } else if (preference == 'withoutAi') {
+                    (await FlutterVolumeController.getVolume() ?? 0) <= 0)) {
-          for (int i = 0; i < subtitles.length; i++) {
+              idx = 1;
-            if (subtitles[i]['lan']!.startsWith('ai')) {
-              continue;
-            }
-            vttSubtitlesIndex.value = i + 1;
-            break;
             }
           }
-        setSubtitle(vttSubtitlesIndex.value);
+        }
+        setSubtitle(idx);
       }
     }
   }

lib/pages/video/detail/widgets/header_control.dart

@@ -257,12 +257,8 @@ class HeaderControlState extends State<HeaderControl> {
                     String? result = await showDialog(
                       context: context,
                       builder: (context) {
-                        return SelectDialog<String>(
+                        return CdnSelectDialog(
-                            title: 'CDN 设置',
+                            sample: videoInfo.dash?.video?.first);
-                            value: defaultCDNService,
-                            values: CDNService.values.map((e) {
-                              return {'title': e.description, 'value': e.code};
-                            }).toList());
                       },
                     );
                     if (result != null) {
@@ -1059,7 +1055,7 @@ class HeaderControlState extends State<HeaderControl> {
                             contentPadding:
                                 const EdgeInsets.only(left: 20, right: 20),
                             title: Text(VideoDecodeFormatsCode.fromString(i)!
-                                .description!),
+                                .description),
                             subtitle: Text(
                               i!,
                               style: subTitleStyle,

lib/utils/video_utils.dart

@@ -45,20 +45,16 @@ class VideoUtils {
     String defaultCDNHost = CDNServiceCode.fromCode(defaultCDNService)!.host;
     debugPrint("defaultCDNHost:$defaultCDNHost");
     if (videoUrl!.contains("szbdyd.com")) {
-      String hostname =
+      final uri = Uri.parse(videoUrl);
-          Uri.parse(videoUrl).queryParameters['xy_usource'] ?? defaultCDNHost;
+      String hostname = uri.queryParameters['xy_usource'] ?? defaultCDNHost;
-      videoUrl =
+      videoUrl = uri.replace(host: hostname, port: 443).toString();
-          Uri.parse(videoUrl).replace(host: hostname, port: 443).toString();
+    } else if (videoUrl.contains(".mcdn.bilivideo") ||
-    } else if (videoUrl.contains(".mcdn.bilivideo")) {
+        videoUrl.contains("/upgcxcode/")) {
       videoUrl = Uri.parse(videoUrl)
           .replace(host: defaultCDNHost, port: 443)
           .toString();
       // videoUrl =
       //     'https://proxy-tf-all-ws.bilivideo.com/?url=${Uri.encodeComponent(videoUrl)}';
-    } else if (videoUrl.contains("/upgcxcode/")) {
-      videoUrl = Uri.parse(videoUrl)
-          .replace(host: defaultCDNHost, port: 443)
-          .toString();
     }
     debugPrint("videoUrl:$videoUrl");