Fix {image/video/audio}_token_ids in ProcessorMixin

src/transformers/processing_utils.py

@@ -941,16 +941,34 @@ def all_special_multimodal_tokens(self) -> list[str]:
     # These values are used to build `mm_token_type_ids`
     @property
     def image_token_ids(self) -> list[int | None]:
+        if _image_token_ids := getattr(self, "_image_token_ids", None):
+            return _image_token_ids
         return [getattr(self, "image_token_id", None)]
 
+    @image_token_ids.setter
+    def image_token_ids(self, value: list[int | None]):
+        setattr(self, "_image_token_ids", value)
+
     @property
     def video_token_ids(self) -> list[int | None]:
+        if _video_token_ids := getattr(self, "_video_token_ids", None):
+            return _video_token_ids
         return [getattr(self, "video_token_id", None)]
 
+    @video_token_ids.setter
+    def video_token_ids(self, value: list[int | None]):
+        setattr(self, "_video_token_ids", value)
+
     @property
     def audio_token_ids(self) -> list[int | None]:
+        if _audio_token_ids := getattr(self, "_audio_token_ids", None):
+            return _audio_token_ids
         return [getattr(self, "audio_token_id", None)]
 
+    @audio_token_ids.setter
+    def audio_token_ids(self, value: list[int | None]):
+        setattr(self, "_audio_token_ids", value)
+
     def check_argument_for_proper_class(self, argument_name, argument):
         """
         Checks the passed argument's class against the expected transformers class. In case of an unexpected