Disable semantic search by default (#12568)

* Disable semantic search by default and don't start processes unless enabled

* Conditionally create embeddings

* Fix typing

frigate/api/app.py

@@ -7,6 +7,7 @@ import os
 import traceback
 from datetime import datetime, timedelta
 from functools import reduce
+from typing import Optional
 
 import requests
 from flask import Blueprint, Flask, current_app, jsonify, make_response, request
@@ -55,7 +56,7 @@ bp.register_blueprint(NotificationBp)
 def create_app(
     frigate_config,
     database: SqliteQueueDatabase,
-    embeddings: EmbeddingsContext,
+    embeddings: Optional[EmbeddingsContext],
     detected_frames_processor,
     storage_maintainer: StorageMaintainer,
     onvif: OnvifController,

frigate/app.py

@@ -321,6 +321,10 @@ class FrigateApp:
         logger.info(f"Review process started: {review_segment_process.pid}")
 
     def init_embeddings_manager(self) -> None:
+        if not self.config.semantic_search.enabled:
+            self.embeddings = None
+            return
+
         # Create a client for other processes to use
         self.embeddings = EmbeddingsContext()
         embedding_process = mp.Process(
@@ -816,7 +820,8 @@ class FrigateApp:
         self.db.stop()
 
         # Save embeddings stats to disk
-        self.embeddings.save_stats()
+        if self.embeddings:
+            self.embeddings.save_stats()
 
         # Stop Communicators
         self.inter_process_communicator.stop()

frigate/config.py

@@ -736,7 +736,7 @@ class ReviewConfig(FrigateBaseModel):
 
 
 class SemanticSearchConfig(FrigateBaseModel):
-    enabled: bool = Field(default=True, title="Enable semantic search.")
+    enabled: bool = Field(default=False, title="Enable semantic search.")
     reindex: Optional[bool] = Field(
         default=False, title="Reindex all detections on startup."
     )