show subtitles in ios fullscreen

src/components/player/display/base.ts

@@ -178,6 +178,7 @@ export function makeVideoElementDisplayInterface(): DisplayInterface {
       if (isFullscreen) {
         isFullscreen = false;
         emit("fullscreen", isFullscreen);
+        emit("needstrack", false);
         if (!fscreen.fullscreenElement) return;
         fscreen.exitFullscreen();
         return;
@@ -192,7 +193,10 @@ export function makeVideoElementDisplayInterface(): DisplayInterface {
         return;
       }
       if (canWebkitFullscreen()) {
-        if (videoElement) (videoElement as any).webkitEnterFullscreen();
+        if (videoElement) {
+          emit("needstrack", true);
+          (videoElement as any).webkitEnterFullscreen();
+        }
       }
     },
   };

src/components/player/display/displayInterface.ts

@@ -12,6 +12,7 @@ export type DisplayInterfaceEvents = {
   loading: boolean;
   qualities: SourceQuality[];
   changedquality: SourceQuality | null;
+  needstrack: boolean;
 };
 
 export interface DisplayInterface extends Listener<DisplayInterfaceEvents> {

src/stores/player/slices/display.ts

@@ -75,6 +75,11 @@ export const createDisplaySlice: MakeSlice<DisplaySlice> = (set, get) => ({
         s.currentQuality = quality;
       });
     });
+    newDisplay.on("needstrack", (needsTrack) => {
+      set((s) => {
+        s.caption.asTrack = needsTrack;
+      });
+    });
 
     set((s) => {
       s.display = newDisplay;