Fix some bugs

Author: qanastek

src/sdialog/audio/pipeline.py

@@ -259,6 +259,9 @@ def to_audio(
         # Place the speakers around the furnitures in the room
         for _role, _kwargs in speaker_positions.items():
 
+            if _role in room.speakers_positions:
+                continue
+
             room.place_speaker_around_furniture(
                 speaker_name=_role,
                 furniture_name=_kwargs["furniture_name"],

src/sdialog/audio/room.py

@@ -1449,6 +1449,11 @@ def model_post_init(self, __context: Any) -> None:
         Post init function to set the microphone position 3D.
         """
 
+        if len(self.speakers_positions) > 0:
+            for _role, _position in self.speakers_positions.items():
+                if _role not in [Role.SPEAKER_1, Role.SPEAKER_2]:
+                    raise ValueError(f"Speaker name '{_role}' is not valid, the speaker wasn't placed")
+
         # if the user override the center of the room, add it to the furnitures
         if "center" not in self.furnitures:
             self.furnitures["center"] = Furniture(