From b28b677be27a1d8efb529bd390fd1b136cd298f0 Mon Sep 17 00:00:00 2001
From: goyuken <goyuken@4bbf4f03-6f44-549e-7e59-35d4b0962838>
Date: Wed, 10 Oct 2012 11:56:49 +0000
Subject: [PATCH] dcfilter:  reject out of range filterwidth

---
 BizHawk.Emulation/Sound/Utilities/DCFilter.cs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/BizHawk.Emulation/Sound/Utilities/DCFilter.cs b/BizHawk.Emulation/Sound/Utilities/DCFilter.cs
index 079bfe96e6..0c29b44af4 100644
--- a/BizHawk.Emulation/Sound/Utilities/DCFilter.cs
+++ b/BizHawk.Emulation/Sound/Utilities/DCFilter.cs
@@ -32,6 +32,8 @@ namespace BizHawk.Emulation.Sound.Utilities
 		/// <param name="input"></param>
 		public DCFilter(ISoundProvider input = null, int filterwidth = 65536)
 		{
+			if (filterwidth < 1 || filterwidth > 65536)
+				throw new ArgumentOutOfRangeException();
 			this.input = input;
 			this.depth = filterwidth;
 			this.buffer = new Queue<short>(depth * 2);