From b095515238aa7a64fe903b7926bf7f470ad61b7c Mon Sep 17 00:00:00 2001
From: LongHairedHacker <sebastian@sebastians-site.de>
Date: Sun, 13 Feb 2022 16:18:04 +0100
Subject: [PATCH] Update step needs a lower bound

---
 src/decoder.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/decoder.rs b/src/decoder.rs
index 6cf90cb..7a36643 100644
--- a/src/decoder.rs
+++ b/src/decoder.rs
@@ -175,7 +175,11 @@ where
             }
 
             let line_count = pixel_count / PIXELS_PER_LINE;
-            update_step = line_count / update_steps;
+            update_step = if line_count / update_steps > 4 {
+                line_count / update_steps
+            } else {
+                4
+            }
         }
     }