Refactor manual event api to use ZMQ (#17105)

* Don't wait for topic

* Refactor object processing and camera state

* Move manual event handling to camera state / tracked object

* Cleanup

* Refactor audio to use internal zmq

* Cleanup

* Clenaup

* Cleanup

* Quick label fix

* Fix tests

* Cleanup

frigate/api/event.py

@@ -3,6 +3,8 @@
 import datetime
 import logging
 import os
+import random
+import string
 from functools import reduce
 from pathlib import Path
 from urllib.parse import unquote
@@ -43,9 +45,8 @@ from frigate.api.defs.tags import Tags
 from frigate.comms.event_metadata_updater import EventMetadataTypeEnum
 from frigate.const import CLIPS_DIR
 from frigate.embeddings import EmbeddingsContext
-from frigate.events.external import ExternalEventProcessor
 from frigate.models import Event, ReviewSegment, Timeline
-from frigate.object_processing import TrackedObject, TrackedObjectProcessor
+from frigate.track.object_processing import TrackedObject
 from frigate.util.builtin import get_tz_modifiers
 
 logger = logging.getLogger(__name__)
@@ -1202,28 +1203,25 @@ def create_event(
             status_code=404,
         )
 
-    try:
-        frame_processor: TrackedObjectProcessor = request.app.detected_frames_processor
-        external_processor: ExternalEventProcessor = request.app.external_processor
+    now = datetime.datetime.now().timestamp()
+    rand_id = "".join(random.choices(string.ascii_lowercase + string.digits, k=6))
+    event_id = f"{now}-{rand_id}"
 
-        frame = frame_processor.get_current_frame(camera_name)
-        event_id = external_processor.create_manual_event(
+    request.app.event_metadata_updater.publish(
+        EventMetadataTypeEnum.manual_event_create,
+        (
+            now,
             camera_name,
             label,
-            body.source_type,
-            body.sub_label,
-            body.score,
-            body.duration,
+            event_id,
             body.include_recording,
+            body.score,
+            body.sub_label,
+            body.duration,
+            body.source_type,
             body.draw,
-            frame,
-        )
-    except Exception as e:
-        logger.error(e)
-        return JSONResponse(
-            content=({"success": False, "message": "An unknown error occurred"}),
-            status_code=500,
-        )
+        ),
+    )
 
     return JSONResponse(
         content=(
@@ -1245,7 +1243,9 @@ def create_event(
 def end_event(request: Request, event_id: str, body: EventsEndBody):
     try:
         end_time = body.end_time or datetime.datetime.now().timestamp()
-        request.app.external_processor.finish_manual_event(event_id, end_time)
+        request.app.event_metadata_updater.publish(
+            EventMetadataTypeEnum.manual_event_end, (event_id, end_time)
+        )
     except Exception:
         return JSONResponse(
             content=(