fix(player): 修复切换频道时复用已释放的视频控制器

lib/pages/player/player_logic.dart

@@ -40,13 +40,16 @@ class PlayerLogic extends ChangeNotifier {
     required this.pictureInPicture,
     this.wallet,
     this.downloads,
-  });
+    Future<void> Function()? waitForFrame,
+  }) : _waitForFrame =
+           waitForFrame ?? (() => WidgetsBinding.instance.endOfFrame);
 
   final WatchHistoryRepository history;
   final PlaybackRepository playback;
   final AndroidPictureInPicture pictureInPicture;
   final WalletController? wallet;
   final DownloadController? downloads;
+  final Future<void> Function() _waitForFrame;
 
   late PageController pages;
   late PlaybackQueue queue;
@@ -220,6 +223,7 @@ class PlayerLogic extends ChangeNotifier {
       prepare: preparePlayer,
       activate: activatePlayer,
       coordinator: coordinator,
+      waitForFrame: _waitForFrame,
     );
   }
 
@@ -307,6 +311,8 @@ class PlayerLogic extends ChangeNotifier {
     session = nextSession;
     nextSession.setRouteVisible(active && visibleIndices.isNotEmpty);
     _notifyAfterFrameIfNeeded();
+    await _waitForFrame();
+    if (revision != feedRevision || !identical(session, nextSession)) return;
     await previous.close();
     if (revision != feedRevision || !identical(session, nextSession)) return;
     _jumpToFeedPage(targetIndex);