[cda] Fix extraction (closes #13935)

ChangeLog

@@ -1,6 +1,7 @@
 version <unreleased>
 
 Core
+* [cda] Fix extraction (closes #13935)
 * [utils] Fix unescapeHTML for misformed string like "&a&quot;" (#13935)
 
 

youtube_dl/extractor/cda.py

@@ -124,7 +124,7 @@ class CDAIE(InfoExtractor):
         }
 
         def extract_format(page, version):
-            json_str = self._search_regex(
+            json_str = self._html_search_regex(
                 r'player_data=(\\?["\'])(?P<player_data>.+?)\1', page,
                 '%s player_json' % version, fatal=False, group='player_data')
             if not json_str: