From ebdfbfe96c1c8b9fe249f3c147c9bdb98b7809f9 Mon Sep 17 00:00:00 2001
From: Blake Blackshear <blakeb@blakeshome.com>
Date: Sat, 12 Feb 2022 06:59:10 -0600
Subject: [PATCH] update birdseye to handle stationary objects

---
 docs/docs/integrations/mqtt.md | 2 ++
 frigate/object_processing.py   | 2 ++
 frigate/output.py              | 7 ++-----
 3 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/docs/docs/integrations/mqtt.md b/docs/docs/integrations/mqtt.md
index b048abacb..ef6c07a42 100644
--- a/docs/docs/integrations/mqtt.md
+++ b/docs/docs/integrations/mqtt.md
@@ -56,6 +56,7 @@ Message published for each changed event. The first message is published when th
     "thumbnail": null,
     "has_snapshot": false,
     "has_clip": false,
+    "stationary": false, // whether or not the object is considered stationary
     "motionless_count": 0, // number of frames the object has been motionless
     "position_changes": 2 // number of times the object has moved from a stationary position
   },
@@ -78,6 +79,7 @@ Message published for each changed event. The first message is published when th
     "thumbnail": null,
     "has_snapshot": false,
     "has_clip": false,
+    "stationary": false, // whether or not the object is considered stationary
     "motionless_count": 0, // number of frames the object has been motionless
     "position_changes": 2 // number of times the object has changed position
   }
diff --git a/frigate/object_processing.py b/frigate/object_processing.py
index ec507ac7c..527e080b3 100644
--- a/frigate/object_processing.py
+++ b/frigate/object_processing.py
@@ -193,6 +193,8 @@ class TrackedObject:
             "box": self.obj_data["box"],
             "area": self.obj_data["area"],
             "region": self.obj_data["region"],
+            "stationary": self.obj_data["motionless_count"]
+            > self.camera_config.detect.stationary_threshold,
             "motionless_count": self.obj_data["motionless_count"],
             "position_changes": self.obj_data["position_changes"],
             "current_zones": self.current_zones.copy(),
diff --git a/frigate/output.py b/frigate/output.py
index a780b3f86..dff8fc47e 100644
--- a/frigate/output.py
+++ b/frigate/output.py
@@ -184,10 +184,7 @@ class BirdsEyeFrameManager:
         if self.mode == BirdseyeModeEnum.continuous:
             return True
 
-        if (
-            self.mode == BirdseyeModeEnum.motion
-            and object_box_count + motion_box_count > 0
-        ):
+        if self.mode == BirdseyeModeEnum.motion and motion_box_count > 0:
             return True
 
         if self.mode == BirdseyeModeEnum.objects and object_box_count > 0:
@@ -418,7 +415,7 @@ def output_frames(config: FrigateConfig, video_output_queue):
         ):
             if birdseye_manager.update(
                 camera,
-                len(current_tracked_objects),
+                len([o for o in current_tracked_objects if not o["stationary"]]),
                 len(motion_boxes),
                 frame_time,
                 frame,