From 13219790172423972f4c16f004bb5d571ef369cc Mon Sep 17 00:00:00 2001
From: tildearrow <me@tildearrow.org>
Date: Mon, 10 Mar 2025 12:52:28 -0500
Subject: [PATCH] GUI: honor DC off correction setting in chan osc

issue #2405
---
 src/gui/chanOsc.cpp | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/gui/chanOsc.cpp b/src/gui/chanOsc.cpp
index b988049ea..8c12922c1 100644
--- a/src/gui/chanOsc.cpp
+++ b/src/gui/chanOsc.cpp
@@ -717,7 +717,11 @@ void FurnaceGUI::drawChanOsc() {
                       }
                       if (j<0) continue;
                       float yOut=y-fft->dcOff;
-                      fft->dcOff+=(y-fft->dcOff)*0.001;
+                      if (!settings.audioHiPass) {
+                        fft->dcOff=0;
+                      } else {
+                        fft->dcOff+=(y-fft->dcOff)*0.001;
+                      }
                       if (yOut<-0.5f) yOut=-0.5f;
                       if (yOut>0.5f) yOut=0.5f;
                       yOut*=chanOscAmplify*2.0f;
@@ -738,7 +742,11 @@ void FurnaceGUI::drawChanOsc() {
                       }
                       if (kTex<0) continue;
                       float yOut=y-fft->dcOff;
-                      fft->dcOff+=(y-fft->dcOff)*0.001;
+                      if (!settings.audioHiPass) {
+                        fft->dcOff=0;
+                      } else {
+                        fft->dcOff+=(y-fft->dcOff)*0.001;
+                      }
                       if (yOut<-0.5f) yOut=-0.5f;
                       if (yOut>0.5f) yOut=0.5f;
                       yOut*=chanOscAmplify*2.0f;