store start/end event with pre/post capture to avoid expiring wanted recordings

frigate/events.py

@@ -6,12 +6,12 @@ import threading
 import time
 from pathlib import Path
 
-from frigate.config import FrigateConfig, RecordConfig
-from frigate.const import CLIPS_DIR
-from frigate.models import Event, Recordings
-
 from peewee import fn
 
+from frigate.config import EventsConfig, FrigateConfig, RecordConfig
+from frigate.const import CLIPS_DIR
+from frigate.models import Event
+
 logger = logging.getLogger(__name__)
 
 
@@ -74,17 +74,17 @@ class EventProcessor(threading.Thread):
                 self.events_in_process[event_data["id"]] = event_data
 
             if event_type == "end":
-                record_config: RecordConfig = self.config.cameras[camera].record
-
                 has_clip = self.should_create_clip(camera, event_data)
 
+                event_config: EventsConfig = self.config.cameras[camera].record.events
+
                 if has_clip or event_data["has_snapshot"]:
                     Event.create(
                         id=event_data["id"],
                         label=event_data["label"],
                         camera=camera,
-                        start_time=event_data["start_time"],
-                        end_time=event_data["end_time"],
+                        start_time=event_data["start_time"] - event_config.pre_capture,
+                        end_time=event_data["end_time"] + event_config.post_capture,
                         top_score=event_data["top_score"],
                         false_positive=event_data["false_positive"],
                         zones=list(event_data["entered_zones"]),

frigate/http.py

@@ -242,14 +242,11 @@ def event_clip(id):
     if not event.has_clip:
         return "Clip not available", 404
 
-    event_config = current_app.frigate_config.cameras[event.camera].record.events
-    start_ts = event.start_time - event_config.pre_capture
-    end_ts = event.end_time + event_config.post_capture
     file_name = f"{event.camera}-{id}.mp4"
     clip_path = os.path.join(CLIPS_DIR, file_name)
 
     if not os.path.isfile(clip_path):
-        return recording_clip(event.camera, start_ts, end_ts)
+        return recording_clip(event.camera, event.start_time, event.end_time)
 
     response = make_response()
     response.headers["Content-Description"] = "File Transfer"
@@ -697,15 +694,12 @@ def vod_event(id):
     if not event.has_clip:
         return "Clip not available", 404
 
-    event_config = current_app.frigate_config.cameras[event.camera].record.events
-    start_ts = event.start_time - event_config.pre_capture
-    end_ts = event.end_time + event_config.post_capture
     clip_path = os.path.join(CLIPS_DIR, f"{event.camera}-{id}.mp4")
 
     if not os.path.isfile(clip_path):
-        return vod_ts(event.camera, start_ts, end_ts)
+        return vod_ts(event.camera, event.start_time, event.end_time)
 
-    duration = int((end_ts - start_ts) * 1000)
+    duration = int((event.end_time - event.start_time) * 1000)
     return jsonify(
         {
             "cache": True,