Update code docs

Author: jellyrock-bot

docs/components_ItemGrid_LoadVideoContentTask.bs.html

@@ -716,11 +716,34 @@
 
   ' If playDefault is true, return first audio stream's Jellyfin index
   if isValid(playDefault) and playDefault = true
-    return getFirstAudioStreamIndex(streams)
+    defaultStreams = []
+    for i = 0 to streams.Count() - 1
+      if LCase(streams[i].Type) = "audio" and streams[i].IsDefault
+        defaultStreams.push(streams[i])
+      end if
+    end for
+    ' If multiple default audio streams, try to match preferred language
+    if defaultStreams.Count() > 1
+      if isValid(preferredLanguage) and preferredLanguage <> ""
+        for i = 0 to defaultStreams.Count() - 1
+          if isValid(defaultStreams[i].Language) and LCase(defaultStreams[i].Language) = LCase(preferredLanguage)
+            if isValid(defaultStreams[i].index)
+              return defaultStreams[i].index
+            end if
+          end if
+        end for
+      end if
+    end if
+    ' Fallback: return first default audio stream's Jellyfin index
+    if defaultStreams.Count() > 0
+      if isValid(defaultStreams[0].index)
+        return defaultStreams[0].index
+      end if
+    end if
   end if
 
   ' Search for preferred language audio stream and return its Jellyfin index
-  if isValid(preferredLanguage)
+  if isValid(preferredLanguage) and preferredLanguage <> ""
     for i = 0 to streams.Count() - 1
       if LCase(streams[i].Type) = "audio"
         if isValid(streams[i].Language) and LCase(streams[i].Language) = LCase(preferredLanguage)