From e70f1b738b871c9b68416245a1f91dd23a7ba15a Mon Sep 17 00:00:00 2001
From: Garry Newman <garrynewman@gmail.com>
Date: Mon, 18 Jul 2016 12:48:22 +0100
Subject: [PATCH] Voice, decompress

---
 .../{Client.Voice.cs => Client/Voice.cs}      | 31 +++++++++++++++++++
 .../Facepunch.Steamworks.csproj               |  2 +-
 2 files changed, 32 insertions(+), 1 deletion(-)
 rename Facepunch.Steamworks/{Client.Voice.cs => Client/Voice.cs} (76%)

diff --git a/Facepunch.Steamworks/Client.Voice.cs b/Facepunch.Steamworks/Client/Voice.cs
similarity index 76%
rename from Facepunch.Steamworks/Client.Voice.cs
rename to Facepunch.Steamworks/Client/Voice.cs
index 5a9a155..6ed87dc 100644
--- a/Facepunch.Steamworks/Client.Voice.cs
+++ b/Facepunch.Steamworks/Client/Voice.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Linq;
 using System.Text;
 
@@ -110,5 +111,35 @@ internal unsafe void Update()
                     IsRecording = false;
             }
         }
+
+        public unsafe bool Decompress( byte[] input, int inputoffset, int inputsize, MemoryStream output, uint samepleRate = 0 )
+        {
+            if ( samepleRate == 0 )
+                samepleRate = OptimalSampleRate;
+
+            //
+            // Guessing the uncompressed size cuz we're dicks
+            //
+            {
+                var targetBufferSize = inputsize * 10;
+
+                if ( output.Capacity < targetBufferSize )
+                    output.Capacity = targetBufferSize;
+
+                output.SetLength( targetBufferSize );
+            }
+
+            fixed ( byte* pout = output.GetBuffer() )
+            fixed ( byte* p = input )
+            {
+                uint bytesOut = 0;
+                var result = (Valve.Steamworks.EVoiceResult) client.native.user.DecompressVoice( (IntPtr)( p + inputoffset ), (uint) inputsize, (IntPtr) pout, (uint) output.Length, ref bytesOut, (uint)samepleRate );
+
+                if ( bytesOut > 0 )
+                    output.SetLength( bytesOut );
+
+                return result == Valve.Steamworks.EVoiceResult.k_EVoiceResultOK;
+            }
+        }
     }
 }
diff --git a/Facepunch.Steamworks/Facepunch.Steamworks.csproj b/Facepunch.Steamworks/Facepunch.Steamworks.csproj
index b0b1cb0..5dce677 100644
--- a/Facepunch.Steamworks/Facepunch.Steamworks.csproj
+++ b/Facepunch.Steamworks/Facepunch.Steamworks.csproj
@@ -117,7 +117,6 @@
     <Compile Include="Client.Overlay.cs" />
     <Compile Include="Client.ServerList.cs" />
     <Compile Include="Client.ServerList.Request.cs" />
-    <Compile Include="Client.Voice.cs" />
     <Compile Include="Client.Auth.cs" />
     <Compile Include="Client.cs" />
     <Compile Include="Client\App.cs" />
@@ -125,6 +124,7 @@
     <Compile Include="Client\Image.cs" />
     <Compile Include="Client\Inventory.cs" />
     <Compile Include="Client\Stats.cs" />
+    <Compile Include="Client\Voice.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="steam_api_interop.cs" />
   </ItemGroup>