From 5e79df7ff1e4b147b81ad87d9dae00425d51d479 Mon Sep 17 00:00:00 2001
From: sukibaby <163092272+sukibaby@users.noreply.github.com>
Date: Sun, 22 Jun 2025 19:06:50 -0700
Subject: [PATCH] WaveOut: clamp the value of wo_num_blocks_

---
 src/arch/Sound/RageSoundDriver_WaveOut.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/arch/Sound/RageSoundDriver_WaveOut.cpp b/src/arch/Sound/RageSoundDriver_WaveOut.cpp
index b8062847f5..7cb437455c 100644
--- a/src/arch/Sound/RageSoundDriver_WaveOut.cpp
+++ b/src/arch/Sound/RageSoundDriver_WaveOut.cpp
@@ -146,6 +146,13 @@ RString RageSoundDriver_WaveOut::Init()
 
 	wo_num_blocks_ = CalculateNumBlocks( wo_samplerate_ );
 
+	// Clamp wo_num_blocks_ to the range of kMaximumNumBlocks.
+	if (wo_num_blocks_ < 1 || wo_num_blocks_ > kMaximumNumBlocks)
+	{
+		LOG->Warn("RageSoundDriver_WaveOut: wo_num_blocks_ out of range (%d); clamping", wo_num_blocks_);
+		wo_num_blocks_ = std::clamp(wo_num_blocks_, 1, kMaximumNumBlocks);
+	}
+
 	wo_frames_per_block_ = kBlockSizeFrames * wo_num_blocks_;
 	wo_blocksize_ = kBlockSizeFrames * kBytesPerFrame;