From 1e41b3fbd42f5f6dc2f70ef6755dbd869521a554 Mon Sep 17 00:00:00 2001
From: Nikos Kastellanos <nkastellanos@gmail.com>
Date: Mon, 5 Sep 2016 09:07:39 +0300
Subject: [PATCH] Validate blockAlign can be cast to short

---
 Source/SharpDX/Multimedia/WaveFormatAdpcm.cs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Source/SharpDX/Multimedia/WaveFormatAdpcm.cs b/Source/SharpDX/Multimedia/WaveFormatAdpcm.cs
index 598dfc5a7..76c2207bb 100644
--- a/Source/SharpDX/Multimedia/WaveFormatAdpcm.cs
+++ b/Source/SharpDX/Multimedia/WaveFormatAdpcm.cs
@@ -56,6 +56,11 @@ public WaveFormatAdpcm(int rate, int channels, int blockAlign = 0) : base(rate,
                     blockAlign = 1024;
             }
 
+            if (rate <= 0) throw new ArgumentOutOfRangeException("rate", "Must be > 0");
+            if (channels <= 0) throw new ArgumentOutOfRangeException("channels", "Must be > 0");
+            if (blockAlign <= 0) throw new ArgumentOutOfRangeException("blockAlign", "Must be > 0");
+            if (blockAlign > Int16.MaxValue) throw new ArgumentOutOfRangeException("blockAlign", "Must be < 32767");
+
             waveFormatTag = WaveFormatEncoding.Adpcm;
             this.blockAlign = (short)blockAlign;