From 9f856f3e454950d06d069fddef94de00f7cef79b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?kleines=20Filmr=C3=B6llchen?= <filmroellchen@serenityos.org>
Date: Fri, 4 Mar 2022 00:20:04 +0100
Subject: [PATCH] SoundPlayer: Adjust peaking logic for bars visualization

This should give us better peaks by also reducing the energy on lower
frequency bars.
---
 Userland/Applications/SoundPlayer/BarsVisualizationWidget.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Userland/Applications/SoundPlayer/BarsVisualizationWidget.cpp b/Userland/Applications/SoundPlayer/BarsVisualizationWidget.cpp
index 810cf783a5..4553060de0 100644
--- a/Userland/Applications/SoundPlayer/BarsVisualizationWidget.cpp
+++ b/Userland/Applications/SoundPlayer/BarsVisualizationWidget.cpp
@@ -46,11 +46,11 @@ void BarsVisualizationWidget::render(GUI::PaintEvent& event, FixedArray<double>
         groups[i / values_per_bar] /= values_per_bar;
     }
 
-    double const max_peak_value = AK::sqrt(static_cast<double>(fft_size));
+    double const max_peak_value = AK::sqrt(static_cast<double>(fft_size * 2));
     for (size_t i = 0; i < bar_count; i++) {
         groups[i] = AK::log(groups[i] + 1) / AK::log(max_peak_value);
         if (m_adjust_frequencies)
-            groups[i] *= 1 + 3.0 * i / bar_count;
+            groups[i] *= 1 + 2.0 * (static_cast<double>(i) - static_cast<double>(bar_count / 3)) / static_cast<double>(bar_count);
     }
 
     int const horizontal_margin = 30;