From ac185128d3c9cf0b644a4c65236138ae52b1e6c7 Mon Sep 17 00:00:00 2001
From: Desmis <jdesmis@gmail.com>
Date: Sun, 11 Aug 2024 07:18:36 +0200
Subject: [PATCH] Wavelet denoise limit window size to avoid crash issue 7146
 (#7169)

* Wavelet denoise limit window

* Change limit minimum windows to 128
---
 rtengine/ipwavelet.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/rtengine/ipwavelet.cc b/rtengine/ipwavelet.cc
index f0b6afaaf..536b89295 100644
--- a/rtengine/ipwavelet.cc
+++ b/rtengine/ipwavelet.cc
@@ -345,6 +345,7 @@ void ImProcFunctions::ip_wavelet(LabImage * lab, LabImage * dst, int kall, const
             cp.BAmet = 2;
         }
     }
+    int minwinnoise = rtengine::min(imwidth, imheight);
 
     cp.sigm = params->wavelet.sigma;
 
@@ -355,7 +356,7 @@ void ImProcFunctions::ip_wavelet(LabImage * lab, LabImage * dst, int kall, const
     cp.resena = params->wavelet.expresid;
     cp.finena = params->wavelet.expfinal;
     cp.toningena = params->wavelet.exptoning;
-    cp.noiseena = params->wavelet.expnoise;
+    cp.noiseena = params->wavelet.expnoise && minwinnoise > 128;//128 limit for 6 levels wavelet denoise issue 7146
     cp.blena = params->wavelet.expbl;
     cp.chrwav = 0.01f * params->wavelet.chrwav;