From 11af75178bfb283c45363bcdeb690ae9ffdefd7b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Sch=C3=BCrmann?= <daschuer@mixxx.org>
Date: Mon, 9 Sep 2024 15:02:46 +0200
Subject: [PATCH] Fix use of GroupFeatureState in LoudnessContourEffect

---
 src/effects/backends/builtin/loudnesscontoureffect.cpp | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/effects/backends/builtin/loudnesscontoureffect.cpp b/src/effects/backends/builtin/loudnesscontoureffect.cpp
index 359fe96b62d..0bfe811a933 100644
--- a/src/effects/backends/builtin/loudnesscontoureffect.cpp
+++ b/src/effects/backends/builtin/loudnesscontoureffect.cpp
@@ -103,15 +103,13 @@ void LoudnessContourEffect::processChannel(
         const mixxx::EngineParameters& engineParameters,
         const EffectEnableState enableState,
         const GroupFeatureState& groupFeatures) {
-    Q_UNUSED(groupFeatures);
-
     double filterGainDb = pState->m_oldFilterGainDb;
     auto gain = static_cast<CSAMPLE_GAIN>(pState->m_oldGain);
 
     if (enableState != EffectEnableState::Disabling) {
         bool useGain = m_pUseGain->toBool() && groupFeatures.gain.has_value();
         double loudness = m_pLoudness->value();
-        double gainKnob = *groupFeatures.gain;
+        double gainKnob = groupFeatures.gain.value_or(1.0);
 
         filterGainDb = loudness;