From dbdac5e3f202bb7154a3d7922a8e21034568b155 Mon Sep 17 00:00:00 2001
From: nattthebear <goyuken@gmail.com>
Date: Sun, 11 Dec 2016 22:37:28 -0500
Subject: [PATCH] Fix stuff or not

---
 BizHawk.Client.EmuHawk/MainForm.cs            |  9 +--
 .../SimpleSyncSoundProvider.cs                | 65 +++++++++++++++++++
 .../BizHawk.Emulation.Common.csproj           |  1 +
 3 files changed, 71 insertions(+), 4 deletions(-)
 create mode 100644 BizHawk.Emulation.Common/Base Implementations/SimpleSyncSoundProvider.cs

diff --git a/BizHawk.Client.EmuHawk/MainForm.cs b/BizHawk.Client.EmuHawk/MainForm.cs
index ab98f43e72..f8cff1ccea 100644
--- a/BizHawk.Client.EmuHawk/MainForm.cs
+++ b/BizHawk.Client.EmuHawk/MainForm.cs
@@ -35,6 +35,7 @@ using BizHawk.Client.EmuHawk.WinFormExtensions;
 using BizHawk.Client.EmuHawk.ToolExtensions;
 using BizHawk.Client.EmuHawk.CoreExtensions;
 using BizHawk.Client.ApiHawk;
+using BizHawk.Emulation.Common.Base_Implementations;
 
 namespace BizHawk.Client.EmuHawk
 {
@@ -1353,7 +1354,7 @@ namespace BizHawk.Client.EmuHawk
 		// Sound refator TODO: we can enforce async mode here with a property that gets/sets this but does an async check
 		private ISoundProvider _aviSoundInputAsync; // Note: This sound provider must be in async mode!
 
-		private MetaspuSoundProvider _dumpProxy; // an audio proxy used for dumping
+		private SimpleSyncSoundProvider _dumpProxy; // an audio proxy used for dumping
 		private bool _dumpaudiosync; // set true to for experimental AV dumping
 		private int _avwriterResizew;
 		private int _avwriterResizeh;
@@ -1623,7 +1624,7 @@ namespace BizHawk.Client.EmuHawk
 			{
 				// we're video dumping, so async mode only and use the DumpProxy.
 				// note that the avi dumper has already rewired the emulator itself in this case.
-				GlobalWin.Sound.SetAsyncInputPin(_dumpProxy);
+				GlobalWin.Sound.SetSyncInputPin(_dumpProxy);
 			}
 			else if (Global.Config.SoundThrottle || !_currentSoundProvider.CanProvideAsync)
 			{
@@ -3123,7 +3124,7 @@ namespace BizHawk.Client.EmuHawk
 					_aviSoundInputAsync = new MetaspuAsync(_currentSoundProvider, ESynchMethod.ESynchMethod_V);
 				}					
 			}
-			_dumpProxy = new MetaspuSoundProvider(ESynchMethod.ESynchMethod_V);
+			_dumpProxy = new SimpleSyncSoundProvider();
 			RewireSound();
 		}
 
@@ -3257,7 +3258,7 @@ namespace BizHawk.Client.EmuHawk
 						disposableOutput.Dispose();
 					}
 
-					_dumpProxy.Buffer.enqueue_samples(samp, nsamp);
+					_dumpProxy.PutSamples(samp, nsamp);
 				}
 				catch (Exception e)
 				{
diff --git a/BizHawk.Emulation.Common/Base Implementations/SimpleSyncSoundProvider.cs b/BizHawk.Emulation.Common/Base Implementations/SimpleSyncSoundProvider.cs
new file mode 100644
index 0000000000..378aaf44d7
--- /dev/null
+++ b/BizHawk.Emulation.Common/Base Implementations/SimpleSyncSoundProvider.cs	
@@ -0,0 +1,65 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace BizHawk.Emulation.Common.Base_Implementations
+{
+	/// <summary>
+	/// A simple sound provider that will operate in sync mode only, offering back whatever data was sent in PutSamples
+	/// </summary>
+	public class SimpleSyncSoundProvider : ISoundProvider
+	{
+		private short[] _buffer = new short[0];
+		private int _nsamp = 0;
+
+		public bool CanProvideAsync
+		{
+			get { return false; }
+		}
+
+		public void SetSyncMode(SyncSoundMode mode)
+		{
+			if (mode != SyncSoundMode.Sync)
+				throw new ArgumentException("Only supports Sync mode");
+		}
+
+		public SyncSoundMode SyncMode
+		{
+			get { return SyncSoundMode.Sync; }
+		}
+
+		/// <summary>
+		/// Add samples to be output.  no queueing; must be drained every frame
+		/// </summary>
+		/// <param name="samples"></param>
+		/// <param name="nsamp"></param>
+		public void PutSamples(short[] samples, int nsamp)
+		{
+			if (_nsamp != 0)
+				Console.WriteLine("Warning: Samples disappeared from SimpleSyncSoundProvider");
+
+			if (_buffer.Length < nsamp * 2)
+				_buffer = new short[nsamp * 2];
+			Array.Copy(samples, _buffer, nsamp * 2);
+			_nsamp = nsamp;
+		}
+
+		public void GetSamplesSync(out short[] samples, out int nsamp)
+		{
+			samples = _buffer;
+			nsamp = _nsamp;
+			_nsamp = 0;
+		}
+
+		public void GetSamplesAsync(short[] samples)
+		{
+			throw new NotImplementedException();
+		}
+
+		public void DiscardSamples()
+		{
+			_nsamp = 0;
+		}
+	}
+}
diff --git a/BizHawk.Emulation.Common/BizHawk.Emulation.Common.csproj b/BizHawk.Emulation.Common/BizHawk.Emulation.Common.csproj
index 0ca128175d..761265bec4 100644
--- a/BizHawk.Emulation.Common/BizHawk.Emulation.Common.csproj
+++ b/BizHawk.Emulation.Common/BizHawk.Emulation.Common.csproj
@@ -102,6 +102,7 @@
     <Compile Include="Base Implementations\NullEmulator.cs" />
     <Compile Include="Base Implementations\NullSound.cs" />
     <Compile Include="Base Implementations\NullVideo.cs" />
+    <Compile Include="Base Implementations\SimpleSyncSoundProvider.cs" />
     <Compile Include="Base Implementations\TraceBuffer.cs" />
     <Compile Include="BinaryQuickSerializer.cs" />
     <Compile Include="BizInvoke\BizInvoker.cs" />