enable pass-through of UTF-8 chars when provided via lang-attribute (D…

…ash-Industry-Forum#4320)
bbc · Feb 14, 2024 · e88e8ac · e88e8ac
1 parent 5d80879
commit e88e8ac
Show file tree

Hide file tree

Showing 2 changed files with 3 additions and 2 deletions.
diff --git a/src/dash/DashAdapter.js b/src/dash/DashAdapter.js
@@ -1134,7 +1134,8 @@ function DashAdapter() {
         mediaInfo.codec = 'cea-608-in-SEI';
         mediaInfo.isEmbedded = true;
         mediaInfo.isFragmented = false;
-        mediaInfo.lang = bcp47Normalize(lang);
+        let normLang = bcp47Normalize(lang);
+        mediaInfo.lang = (normLang) ? normLang : lang;
         mediaInfo.roles = ['caption'];
         mediaInfo.rolesWithSchemeIdUri = [{schemeIdUri:'urn:mpeg:dash:role:2011', value:'caption'}];
     }

diff --git a/src/dash/parser/matchers/LangMatcher.js b/src/dash/parser/matchers/LangMatcher.js
@@ -59,7 +59,7 @@ class LangMatcher extends BaseMatcher {
             },
             str => {
                 let lang = bcp47Normalize(str);
-                if (lang !== undefined) {
+                if (lang) {
                     return lang;
                 }
                 return String(str);