Add ability to restrict genai to objects and zones at the camera level (#13958)

* Add ability to restrict genai to labels and zones at the camera level

* fix comment

* clarify docs

* use objects instead of labels

* docs

* object list

frigate/config.py

@@ -810,6 +810,22 @@ class GenAICameraConfig(BaseModel):
         title="Default caption prompt.",
     )
     object_prompts: Dict[str, str] = Field(default={}, title="Object specific prompts.")
+    objects: Union[str, List[str]] = Field(
+        default_factory=list,
+        title="List of objects to run generative AI for.",
+    )
+    required_zones: Union[str, List[str]] = Field(
+        default_factory=list,
+        title="List of required zones to be entered in order to run generative AI.",
+    )
+
+    @field_validator("required_zones", mode="before")
+    @classmethod
+    def validate_required_zones(cls, v):
+        if isinstance(v, str) and "," not in v:
+            return [v]
+
+        return v
 
 
 class AudioConfig(FrigateBaseModel):

frigate/embeddings/maintainer.py

@@ -127,6 +127,14 @@ class EmbeddingMaintainer(threading.Thread):
                     camera_config.genai.enabled
                     and self.genai_client is not None
                     and event.data.get("description") is None
+                    and (
+                        camera_config.genai.objects is None
+                        or event.label in camera_config.genai.objects
+                    )
+                    and (
+                        camera_config.genai.required_zones is None
+                        or set(event.zones) & set(camera_config.genai.required_zones)
+                    )
                 ):
                     # Generate the description. Call happens in a thread since it is network bound.
                     threading.Thread(