From ed583d8bd14494118e7b795f760ae9140763805b Mon Sep 17 00:00:00 2001
From: paxcut <53811119+paxcut@users.noreply.github.com>
Date: Fri, 2 Jan 2026 08:03:52 -0700
Subject: [PATCH] fix: Division by zero in sound visualizer. (#2593)

Can happen if input is less than 2400*channels number of points. The fix
is detecting it and throwing an error.
---
 plugins/visualizers/source/content/pl_visualizers/sound.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/plugins/visualizers/source/content/pl_visualizers/sound.cpp b/plugins/visualizers/source/content/pl_visualizers/sound.cpp
index cd6f1be5d..400fc28e9 100644
--- a/plugins/visualizers/source/content/pl_visualizers/sound.cpp
+++ b/plugins/visualizers/source/content/pl_visualizers/sound.cpp
@@ -30,8 +30,10 @@ namespace hex::plugin::visualizers {
 
         if (sampleRate == 0)
             throw std::logic_error(fmt::format("Invalid sample rate: {}", sampleRate));
-        else if (channels == 0)
+        if (channels == 0)
             throw std::logic_error(fmt::format("Invalid channel count: {}", channels));
+        if (downSampling == 0)
+            throw std::logic_error(fmt::format("Invalid down sampling factor: {} / 2400 / {} = {}", wavePattern->getSize(), channels, downSampling));
         u64 sampledIndex;
         if (shouldReset) {
             waveData.clear();