From 34e0da4a00f733d3ed06d36e4311d11624fbee94 Mon Sep 17 00:00:00 2001
From: PJB3005 <pieterjan.briers+git@gmail.com>
Date: Thu, 19 Mar 2026 20:06:02 +0100
Subject: [PATCH] Skip work in ReadChannelSamples if no new samples needed

---
 src/dusk/audio/DuskDsp.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/dusk/audio/DuskDsp.cpp b/src/dusk/audio/DuskDsp.cpp
index 730a5fb856..61d9abc92f 100644
--- a/src/dusk/audio/DuskDsp.cpp
+++ b/src/dusk/audio/DuskDsp.cpp
@@ -167,6 +167,10 @@ static void SDLCALL ReadChannelSamples(
     int additional_amount,
     int) {
 
+    if (additional_amount == 0) {
+        return;
+    }
+
     const auto index = static_cast<u32>(reinterpret_cast<uintptr_t>(userdata));
     auto& channel = JASDsp::CH_BUF[index];
     auto& aux = ChannelAux[index];