From 7a1989703d55c6da528f70e099eae1bf2a8cc281 Mon Sep 17 00:00:00 2001
From: dksslq <1578756762@qq.com>
Date: Wed, 31 Jan 2024 21:07:57 +0800
Subject: [PATCH] Drop first 20 frames before mse compare.

---
 examples/capture_motion.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/examples/capture_motion.py b/examples/capture_motion.py
index bbb6c490..69a489c6 100755
--- a/examples/capture_motion.py
+++ b/examples/capture_motion.py
@@ -20,11 +20,13 @@
 prev = None
 encoding = False
 ltime = 0
+cnt = 0
 
 while True:
     cur = picam2.capture_buffer("lores")
     cur = cur[:w * h].reshape(h, w)
-    if prev is not None:
+    cnt += 1
+    if prev is not None and cnt >= 20:
         # Measure pixels differences between current and
         # previous frame
         mse = np.square(np.subtract(cur, prev)).mean()