From f2e9ca2ac93390dceedf6e4a731a9395719a7727 Mon Sep 17 00:00:00 2001
From: "J.D. Purcell" <jdpurcell@gmail.com>
Date: Sun, 18 Dec 2016 15:23:23 -0500
Subject: [PATCH] Fix fast-forward when using audio throttle and XAudio2 or
 OpenAL.

---
 BizHawk.Client.EmuHawk/Sound/Sound.cs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/BizHawk.Client.EmuHawk/Sound/Sound.cs b/BizHawk.Client.EmuHawk/Sound/Sound.cs
index 4c10058d60..0a3c3eef94 100644
--- a/BizHawk.Client.EmuHawk/Sound/Sound.cs
+++ b/BizHawk.Client.EmuHawk/Sound/Sound.cs
@@ -172,7 +172,12 @@ namespace BizHawk.Client.EmuHawk
 				{
 					_outputProvider.BaseSoundProvider.GetSamplesSync(out samples, out samplesProvided);
 
-					while (samplesNeeded < samplesProvided && !Global.DisableSecondaryThrottling)
+					if (Global.DisableSecondaryThrottling && samplesProvided > samplesNeeded)
+					{
+						return;
+					}
+
+					while (samplesProvided > samplesNeeded)
 					{
 						Thread.Sleep((samplesProvided - samplesNeeded) / (SampleRate / 1000)); // Let the audio clock control sleep time
 						samplesNeeded = _outputDevice.CalculateSamplesNeeded();