fix(player): 优化上下滑切集黑屏

lib/pages/player/player_view.dart

@@ -41,6 +41,7 @@ import 'widgets/player_overlay.dart';
 import 'widgets/player_overlay_models.dart';
 import 'widgets/player_speed_sheet.dart';
 import 'widgets/player_unlock_sheet.dart';
+import 'widgets/player_opening_frame.dart';
 import 'widgets/player_video_surface.dart';
 import '../../core/data/repositories/watch_history_repository.dart';
 import '../../core/data/repositories/playback_repository.dart';
@@ -552,7 +553,9 @@ class _PlayerPageState extends State<PlayerPage>
     final ready = videoReady || port != null;
     final theater = logic.pip || logic.pipPreparing;
     final locked = logic.session.isLocked || episode.locked;
-    if (selected && videoPort != null && videoPort.controller.value.isInitialized) {
+    if (selected &&
+        videoPort != null &&
+        videoPort.controller.value.isInitialized) {
       unawaited(
         _spriteAxisService.prepareAt(
           episode.thumbnailsUrl,
@@ -574,6 +577,7 @@ class _PlayerPageState extends State<PlayerPage>
           handoff: handoffPort?.controller,
           videoUrl: videoPort?.controller.dataSource ?? episode.videoUrl,
           theater: theater,
+          openingFrame: playerOpeningFrame(episode.thumbnailsUrl),
         ),
         if (selected &&
             !theater &&
@@ -726,7 +730,9 @@ class _PlayerPageState extends State<PlayerPage>
             },
             onEpisodes: () => logic.showEpisodes(context),
             onMore: _openCurrentMore,
-            onScrubStart: videoReady ? () => logic.beginScrub(videoPort!) : null,
+            onScrubStart: videoReady
+                ? () => logic.beginScrub(videoPort!)
+                : null,
             onScrubEnd: _finishFeedScrub,
             onScrubVisibilityChanged: _setScrubbing,
             cancelScrubRequest: widget.scrubCancelRequest,