fix(DASH): Clone closedCaptions map in PeriodCombiner output stream (#…

…7309) Fixes #7303
shaka-project · Sep 13, 2024 · 5eff3d9 · 5eff3d9
1 parent 108bc66
commit 5eff3d9
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/lib/util/periods.js b/lib/util/periods.js
@@ -834,7 +834,8 @@ shaka.util.PeriodCombiner = class {
     clone.segmentIndex = null;
     clone.emsgSchemeIdUris = [];
     clone.keyIds = new Set();
-    clone.closedCaptions = null;
+    clone.closedCaptions = stream.closedCaptions ?
+      new Map(stream.closedCaptions) : null;
     clone.trickModeVideo = null;
 
     return clone;
@@ -859,7 +860,8 @@ shaka.util.PeriodCombiner = class {
     clone.keyIds = new Set();
     clone.segments = [];
     clone.variantIds = [];
-    clone.closedCaptions = null;
+    clone.closedCaptions = streamDb.closedCaptions ?
+      new Map(streamDb.closedCaptions) : null;
 
     return clone;
   }