refa: cdn (#1743)

* refa: cdn

* feat: live cdn (WIP)

* tweaks

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

* add live quality [skip ci]

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

* mod: replace durl host

* tweak [skip ci]

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

---------

Co-authored-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/models/common/video/cdn_type.dart

@@ -27,11 +27,84 @@ enum CDNService {
   hk_bcache('hk_bcache（Bilibili海外）', 'cn-hk-eq-bcache-01.bilivideo.com')
   ;
 
-  String get code => name;
-  static final fromCode = values.byName;
-
   final String desc;
-  final String host;
+  final String? host;
 
-  const CDNService(this.desc, [this.host = '']);
+  const CDNService(this.desc, [this.host]);
 }
+// from https://rec.danmuji.org/dev/cdn-info/
+// {
+//     'cn-ahwh-ct-': {'01': 16},
+//     'cn-cq-ct-': {'01': 35, '02': 2},
+//     'cn-gddg-ct-': {'01': 36},
+//     'cn-gdfs-ct-': {'01': 28},
+//     'cn-hblf-ct-': {'01': 21},
+//     'cn-hbyc-ct-': {'02': 35},
+//     'cn-hljheb-ct-': {'01': 12},
+//     'cn-hnld-ct-': {'01': 56},
+//     'cn-jsnt-ct-': {'01': 52},
+//     'cn-jsyz-ct-': {'03': 52},
+//     'cn-jxjj-ct-': {'01': 14},
+//     'cn-sccd-ct-': {'01': 32},
+//     'cn-sxxa-ct-': {'03': 14},
+//     'cn-xj-ct-': {'01': 6},
+//     'cn-zjjh-ct-': {'04': 37},
+//     'cn-gddg-cu-': {'01': 15},
+//     'cn-hncs-cu-': {'01': 14, 'v': 6},
+//     'cn-hnly-cu-': {'01': 35},
+//     'cn-jlcc-cu-': {'03': 16},
+//     'cn-jstz-cu-': {'01': 14},
+//     'cn-lnsy-cu-': {'01': 9, 'v': 4},
+//     'cn-nmghhht-cu-': {'01': 15, 'v': 11},
+//     'cn-sccd-cu-': {'01': 13},
+//     'cn-sdqd-cu-': {'01': 25},
+//     'cn-sxty-cu-': {'03': 10},
+//     'cn-sxxa-cu-': {'02': 8},
+//     'cn-zjhz-cu-': {'01': 8, 'v': 6},
+//     'cn-cq-cm-': {'01': 30},
+//     'cn-fjqz-cm-': {'01': 10},
+//     'cn-gddg-cm-': {'01': 14},
+//     'cn-gdst-cm-': {'01': 17},
+//     'cn-hbsjz-cm-': {'02': 16},
+//     'cn-hbwh-cm-': {'01': 23},
+//     'cn-hncs-cm-': {'03': 24},
+//     'cn-hnzz-cm-': {'01': 16},
+//     'cn-jssz-cm-': {'01': 24, '02': 62},
+//     'cn-jxnc-cm-': {'01': 20},
+//     'cn-lnsy-cm-': {'01': 11},
+//     'cn-nmghhht-cm-': {'01': 5},
+//     'cn-sccd-cm-': {'03': 26},
+//     'cn-sdjn-cm-': {'02': 14},
+//     'cn-sxxa-cm-': {'01': 14},
+//     'cn-tj-cm-': {'02': 16},
+//     'cn-xj-cm-': {'02': 6},
+//     'cn-zjhz-cm-': {'01': 29},
+//     'cn-cq-gd-': {'01': 20},
+//     'cn-gdgz-gd-': {'01': 20},
+//     'cn-gzgy-gd-': {'01': 6},
+//     'cn-hb-gd-': {'01': 4},
+//     'cn-hbwh-gd-': {'01': 6},
+//     'cn-hljheb-gd-': {'01': 2},
+//     'cn-hncs-gd-': {'01': 8},
+//     'cn-jlcc-gd-': {'01': 5},
+//     'cn-jsnj-gd-': {'01': 8},
+//     'cn-zjhz-gd-': {'02': 2},
+//     'cn-bj-fx-': {'01': 6},
+//     'cn-fjfz-fx-': {'01': 6},
+//     'cn-gdgz-fx-': {'01': 18},
+//     'cn-hbwh-fx-': {'01': 16},
+//     'cn-hncs-fx-': {'01': 6},
+//     'cn-hnzz-fx-': {'01': 8},
+//     'cn-jsnj-fx-': {'02': 6},
+//     'cn-sccd-fx-': {'01': 6},
+//     'cn-sdjn-fx-': {'01': 6},
+//     'cn-sh-fx-': {'01': 10},
+//     'cn-tj-fx-': {'01': 6},
+//     'cn-bj-se-': {'01': 8},
+//     'cn-bj-cc-': {'03': 18},
+//     'cn-gdfs-cc-': {'02': 21},
+//     'cn-sh-cc-': {'01': 15},
+//     'cn-zjhz-wasu-': {'03': 21, '04': 12},
+//     'cn-sh-ix-': {'01': 13},
+//     'cn-hk-eq-': {'01': 14}
+// }

lib/models/common/video/live_quality.dart

@@ -2,6 +2,7 @@ enum LiveQuality {
   dolby(30000, '杜比'),
   origin4K(25000, '4K 原画'),
   super4K(20000, '4K'),
+  super2K(15000, '2K'),
   origin(10000, '原画'),
   bluRay(400, '蓝光'),
   superHD(250, '超清'),

lib/models/video/play/url.dart

@@ -196,23 +196,17 @@ class Durl {
       backupUrl: (json['backup_url'] as List?)?.fromCast<String>(),
     );
   }
-}
 
-final _ipRegExp = RegExp(r'^https?://\d{1,3}\.\d{1,3}');
-
-bool _isMCDNorPCDN(String url) {
-  return url.contains("upos-sz-302") ||
-      url.contains("nexusedgeio.com") ||
-      url.contains("ahdohpiechei.com") ||
-      url.contains("szbdyd.com") ||
-      url.contains(".mcdn.bilivideo") ||
-      _ipRegExp.hasMatch(url);
+  Iterable<String> get playUrls sync* {
+    if (url?.isNotEmpty == true) yield url!;
+    if (backupUrl?.isNotEmpty == true) yield* backupUrl!;
+  }
 }
 
 abstract class BaseItem {
   int? id;
   String? baseUrl;
-  String? backupUrl;
+  List<String>? backupUrl;
   int? bandWidth;
   String? mimeType;
   String? codecs;
@@ -243,14 +237,8 @@ abstract class BaseItem {
   BaseItem.fromJson(Map<String, dynamic> json) {
     id = json['id'];
     baseUrl = json['baseUrl'] ?? json['base_url'];
-    final backupUrls = ((json['backupUrl'] ?? json['backup_url']) as List?)
+    backupUrl = ((json['backupUrl'] ?? json['backup_url']) as List?)
         ?.fromCast<String>();
-    backupUrl = backupUrls != null && backupUrls.isNotEmpty
-        ? backupUrls.firstWhere(
-            (i) => !_isMCDNorPCDN(i),
-            orElse: () => backupUrls.first,
-          )
-        : null;
     bandWidth = json['bandWidth'] ?? json['bandwidth'];
     mimeType = json['mime_type'];
     codecs = json['codecs'];
@@ -262,6 +250,11 @@ abstract class BaseItem {
     segmentBase = json['segmentBase'] ?? json['segment_base'];
     codecid = json['codecid'];
   }
+
+  Iterable<String> get playUrls sync* {
+    if (baseUrl?.isNotEmpty == true) yield baseUrl!;
+    if (backupUrl?.isNotEmpty == true) yield* backupUrl!;
+  }
 }
 
 class VideoItem extends BaseItem {