feat: 折叠屏内屏（展开状态）竖屏全屏适配

lib/plugin/pl_player/controller.dart

@@ -278,8 +278,7 @@ class PlPlayerController {
     danmakuDurationVal =
         localCache.get(LocalCacheKey.danmakuDuration, defaultValue: 4.0);
     // 描边粗细
-    strokeWidth =
-        localCache.get(LocalCacheKey.strokeWidth, defaultValue: 1.5);
+    strokeWidth = localCache.get(LocalCacheKey.strokeWidth, defaultValue: 1.5);
     playRepeat = PlayRepeat.values.toList().firstWhere(
           (e) =>
               e.value ==
@@ -952,7 +951,10 @@ class PlPlayerController {
       /// 进入全屏
       await enterFullScreen();
       if (mode == FullScreenMode.vertical ||
-          (mode == FullScreenMode.auto && direction.value == 'vertical')) {
+          (mode == FullScreenMode.auto && direction.value == 'vertical') ||
+          (mode == FullScreenMode.ratio &&
+              (Get.height / Get.width < 1.25 ||
+                  direction.value == 'vertical'))) {
         await verticalScreen();
       } else {
         await landScape();

lib/plugin/pl_player/models/fullscreen_mode.dart

@@ -5,15 +5,17 @@ enum FullScreenMode {
   // 始终竖屏
   vertical,
   // 始终横屏
-  horizontal
+  horizontal,
+  // 屏幕长宽比<1.25或为竖屏视频时竖屏，否则横屏
+  ratio,
 }
 
 extension FullScreenModeDesc on FullScreenMode {
-  String get description => ['自适应', '始终竖屏', '始终横屏'][index];
+  String get description => ['按视频方向（默认）', '强制竖屏', '强制横屏', '屏幕长宽比<1.25或为竖屏视频时竖屏，否则横屏'][index];
 }
 
 extension FullScreenModeCode on FullScreenMode {
-  static final List<int> _codeList = [0, 1, 2];
+  static final List<int> _codeList = [0, 1, 2, 3];
   int get code => _codeList[index];
 
   static FullScreenMode? fromCode(int code) {