FEATURE: all versions use single source of truth for codec/container/file_extension info

web/backend/api/formats.py

@@ -1,8 +1,9 @@
+# web/backend/api/formats.py
 """Endpoint to expose format information to the frontend."""
 
 from fastapi import APIRouter
 
-from backend.constants import FORMAT_INFO
+from audio_splitter.constants import CONTAINER_INFO, CODEC_INFO
 
 router = APIRouter(prefix="/api", tags=["formats"])
 
@@ -10,16 +11,9 @@ router = APIRouter(prefix="/api", tags=["formats"])
 @router.get("/formats")
 async def get_formats():
     """
-    Return the list of supported container formats with their properties.
+    Return the list of supported containers and codecs.
     """
     return {
-        "formats": [
-            {
-                "name": name,
-                "ffmpeg": info["ffmpeg"],
-                "extension": info["ext"],
-                "audio_only": info["audio_only"],
-            }
-            for name, info in FORMAT_INFO.items()
-        ]
+        "containers": CONTAINER_INFO,
+        "codecs": CODEC_INFO,
     }