From 4fc2a5f3401a8acd9b54ef49cce3a45448f2dc25 Mon Sep 17 00:00:00 2001
From: Josh Hawkins <32435876+hawkeye217@users.noreply.github.com>
Date: Sun, 1 Oct 2023 22:01:13 -0500
Subject: [PATCH] only try absolute zoom in if obj area has changed

---
 frigate/ptz/autotrack.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/frigate/ptz/autotrack.py b/frigate/ptz/autotrack.py
index ddc7d176b..1f2ee0a95 100644
--- a/frigate/ptz/autotrack.py
+++ b/frigate/ptz/autotrack.py
@@ -674,6 +674,16 @@ class PtzAutoTracker:
                         zoom = min(1.0, zoom_level + 0.1)
                     else:
                         zoom = max(0.0, zoom_level - 0.1)
+                # don't make small movements to zoom in if area hasn't changed significantly
+                # but always zoom out if necessary
+                if (
+                    "area" in obj.previous
+                    and abs(obj.obj_data["area"] - obj.previous["area"])
+                    / obj.obj_data["area"]
+                    < 0.3
+                    and zoom >= zoom_level
+                ):
+                    zoom = 0
 
         # relative zooming concurrently with pan/tilt
         if camera_config.onvif.autotracking.zooming == ZoomingModeEnum.relative: