feat(stream): integrate sound normalization into stream processing service

app/services/sound_normalizer_service.py

@@ -27,8 +27,17 @@ class SoundNormalizerService:
         ".aac",
         ".opus",
     }
-    SOUNDS_DIR = "sounds/soundboard"
-    NORMALIZED_DIR = "sounds/normalized/soundboard"
+    # Sound directories by type
+    SOUND_DIRS = {
+        "SDB": "sounds/soundboard",
+        "SAY": "sounds/say", 
+        "STR": "sounds/stream"
+    }
+    NORMALIZED_DIRS = {
+        "SDB": "sounds/normalized/soundboard",
+        "SAY": "sounds/normalized/say",
+        "STR": "sounds/normalized/stream"
+    }
 
     LOUDNORM_PARAMS = {
         "integrated": -16,
@@ -62,9 +71,17 @@ class SoundNormalizerService:
                     "error": f"Sound with ID {sound_id} not found",
                 }
 
-            source_path = (
-                Path(SoundNormalizerService.SOUNDS_DIR) / sound.filename
-            )
+            # Get directories based on sound type
+            sound_dir = SoundNormalizerService.SOUND_DIRS.get(sound.type)
+            normalized_dir = SoundNormalizerService.NORMALIZED_DIRS.get(sound.type)
+            
+            if not sound_dir or not normalized_dir:
+                return {
+                    "success": False,
+                    "error": f"Unsupported sound type: {sound.type}",
+                }
+
+            source_path = Path(sound_dir) / sound.filename
             if not source_path.exists():
                 return {
                     "success": False,
@@ -74,10 +91,7 @@ class SoundNormalizerService:
             # Always output as WAV regardless of input format
             filename_without_ext = Path(sound.filename).stem
             normalized_filename = f"{filename_without_ext}.wav"
-            normalized_path = (
-                Path(SoundNormalizerService.NORMALIZED_DIR)
-                / normalized_filename
-            )
+            normalized_path = Path(normalized_dir) / normalized_filename
 
             normalized_path.parent.mkdir(parents=True, exist_ok=True)