feat: forward language code and more config settings

core/media.py

@@ -30,6 +30,17 @@ class MediaHandler:
         except Exception:
             return "0:a:0"
 
+    @staticmethod
+    def get_language_code(language_name: str) -> str:
+        """Maps Bazarr language names to Whisper ISO codes."""
+        mapping = {
+            'english': 'en', 'french': 'fr', 'spanish': 'es',
+            'german': 'de', 'italian': 'it', 'portuguese': 'pt',
+            'dutch': 'nl', 'russian': 'ru', 'japanese': 'ja',
+            'chinese': 'zh'
+        }
+        return mapping.get(language_name.lower(), 'en')
+
     @staticmethod
     def extract_audio_chunk(media_path: str, start_sec: int, duration_sec: int, stream_index: str) -> str:
         fd, tmp_name = tempfile.mkstemp(suffix=".wav")