diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..a70a8a5
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+.vs/
+msvc.build/
+*.vcxproj.user
diff --git a/vs/vs2017/TurboPFor.sln b/vs/vs2017/TurboPFor.sln
new file mode 100644
index 0000000..220f7f1
--- /dev/null
+++ b/vs/vs2017/TurboPFor.sln
@@ -0,0 +1,31 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 15
+VisualStudioVersion = 15.0.28307.757
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "TurboPFor", "TurboPFor.vcxproj", "{A162F37F-183F-4250-88AB-9B9FBDE30B04}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "icapp", "icapp.vcxproj", "{6876BEB8-2B45-48B9-8381-1D4094FE8868}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|x64 = Debug|x64
+		Release|x64 = Release|x64
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{A162F37F-183F-4250-88AB-9B9FBDE30B04}.Debug|x64.ActiveCfg = Debug|x64
+		{A162F37F-183F-4250-88AB-9B9FBDE30B04}.Debug|x64.Build.0 = Debug|x64
+		{A162F37F-183F-4250-88AB-9B9FBDE30B04}.Release|x64.ActiveCfg = Release|x64
+		{A162F37F-183F-4250-88AB-9B9FBDE30B04}.Release|x64.Build.0 = Release|x64
+		{6876BEB8-2B45-48B9-8381-1D4094FE8868}.Debug|x64.ActiveCfg = Debug|x64
+		{6876BEB8-2B45-48B9-8381-1D4094FE8868}.Debug|x64.Build.0 = Debug|x64
+		{6876BEB8-2B45-48B9-8381-1D4094FE8868}.Release|x64.ActiveCfg = Release|x64
+		{6876BEB8-2B45-48B9-8381-1D4094FE8868}.Release|x64.Build.0 = Release|x64
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {A02524FA-10E2-4E1C-BE79-0AE7B077D2CE}
+	EndGlobalSection
+EndGlobal
diff --git a/vs/vs2017/TurboPFor.vcxproj b/vs/vs2017/TurboPFor.vcxproj
new file mode 100644
index 0000000..fe1e42f
--- /dev/null
+++ b/vs/vs2017/TurboPFor.vcxproj
@@ -0,0 +1,125 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <VCProjectVersion>15.0</VCProjectVersion>
+    <ProjectGuid>{A162F37F-183F-4250-88AB-9B9FBDE30B04}</ProjectGuid>
+    <Keyword>Win32Proj</Keyword>
+    <RootNamespace>TurboPFor</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0.17763.0</WindowsTargetPlatformVersion>
+    <ProjectName>TurboPFor</ProjectName>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
+    <ConfigurationType>StaticLibrary</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v141</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+    <ConfigurationType>StaticLibrary</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v141</PlatformToolset>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="Shared">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <LinkIncremental>true</LinkIncremental>
+    <IntDir>$(SolutionDir)msvc.build\.obj\$(Platform)-$(Configuration)-$(ProjectName)\</IntDir>
+    <OutDir>$(SolutionDir)msvc.build\$(Platform)-$(Configuration)\</OutDir>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <LinkIncremental>false</LinkIncremental>
+    <IntDir>$(SolutionDir)msvc.build\.obj\$(Platform)-$(Configuration)-$(ProjectName)\</IntDir>
+    <OutDir>$(SolutionDir)msvc.build\$(Platform)-$(Configuration)\</OutDir>
+  </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
+      <Optimization>Disabled</Optimization>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>__SSE__;__SSE2__;__SSE3__;__SSSE3__;__SSE4_1__;__SSE4_2__;USE_SSE;USE_AVX2;_CRT_SECURE_NO_WARNINGS;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+      <EnableEnhancedInstructionSet>AdvancedVectorExtensions2</EnableEnhancedInstructionSet>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <MultiProcessorCompilation>true</MultiProcessorCompilation>
+      <AdditionalOptions>/w24003 /w24005 /w24028 /w24047 /w24090 /w24133 /w24146 /w24333 /w24789 %(AdditionalOptions)</AdditionalOptions>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>__SSE__;__SSE2__;__SSE3__;__SSSE3__;__SSE4_1__;__SSE4_2__;USE_SSE;USE_AVX2;_CRT_SECURE_NO_WARNINGS;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+      <EnableEnhancedInstructionSet>AdvancedVectorExtensions2</EnableEnhancedInstructionSet>
+      <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <MultiProcessorCompilation>true</MultiProcessorCompilation>
+      <AdditionalOptions>/w24003 /w24005 /w24028 /w24047 /w24090 /w24133 /w24146 /w24333 /w24789 %(AdditionalOptions)</AdditionalOptions>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <ClCompile Include="..\..\bitpack.c" />
+    <ClCompile Include="..\..\bitpack_avx2.c" />
+    <ClCompile Include="..\..\bitpack_sse.c" />
+    <ClCompile Include="..\..\bitunpack.c" />
+    <ClCompile Include="..\..\bitunpack_avx2.c" />
+    <ClCompile Include="..\..\bitunpack_sse.c" />
+    <ClCompile Include="..\..\bitutil.c" />
+    <ClCompile Include="..\..\fp.c" />
+    <ClCompile Include="..\..\transpose.c" />
+    <ClCompile Include="..\..\transpose_avx2.c" />
+    <ClCompile Include="..\..\transpose_sse.c" />
+    <ClCompile Include="..\..\trlec.c" />
+    <ClCompile Include="..\..\trled.c" />
+    <ClCompile Include="..\..\vint.c" />
+    <ClCompile Include="..\..\vp4c.c" />
+    <ClCompile Include="..\..\vp4c_avx2.c" />
+    <ClCompile Include="..\..\vp4c_sse.c" />
+    <ClCompile Include="..\..\vp4d.c" />
+    <ClCompile Include="..\..\vp4d_avx2.c" />
+    <ClCompile Include="..\..\vp4d_sse.c" />
+    <ClCompile Include="..\..\vsimple.c" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="..\..\bitpack.h" />
+    <ClInclude Include="..\..\transpose.h" />
+    <ClInclude Include="..\..\trle.h" />
+    <ClInclude Include="..\..\vint.h" />
+    <ClInclude Include="..\..\vp4.h" />
+    <ClInclude Include="..\..\vsimple.h" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>
\ No newline at end of file
diff --git a/vs/vs2017/TurboPFor.vcxproj.filters b/vs/vs2017/TurboPFor.vcxproj.filters
new file mode 100644
index 0000000..3c94a99
--- /dev/null
+++ b/vs/vs2017/TurboPFor.vcxproj.filters
@@ -0,0 +1,98 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="Source Files">
+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+      <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
+    </Filter>
+    <Filter Include="Header Files">
+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+      <Extensions>h;hh;hpp;hxx;hm;inl;inc;ipp;xsd</Extensions>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="..\..\bitunpack.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\bitpack.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\vp4d.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\vp4c.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\bitutil.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\fp.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\transpose.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\vint.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\vsimple.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\bitpack_avx2.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\bitpack_sse.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\bitunpack_avx2.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\bitunpack_sse.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\transpose_avx2.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\transpose_sse.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\vp4c_avx2.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\vp4c_sse.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\vp4d_avx2.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\vp4d_sse.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\trlec.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\trled.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="..\..\bitpack.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\transpose.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\vint.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\vp4.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\vsimple.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\trle.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+  </ItemGroup>
+</Project>
\ No newline at end of file
diff --git a/vs/vs2017/icapp.vcxproj b/vs/vs2017/icapp.vcxproj
new file mode 100644
index 0000000..b1557d2
--- /dev/null
+++ b/vs/vs2017/icapp.vcxproj
@@ -0,0 +1,101 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="..\..\icapp.c" />
+    <ClCompile Include="..\getopt.c" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="TurboPFor.vcxproj">
+      <Project>{a162f37f-183f-4250-88ab-9b9fbde30b04}</Project>
+    </ProjectReference>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <VCProjectVersion>15.0</VCProjectVersion>
+    <ProjectGuid>{6876BEB8-2B45-48B9-8381-1D4094FE8868}</ProjectGuid>
+    <Keyword>Win32Proj</Keyword>
+    <RootNamespace>icapp</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0.17763.0</WindowsTargetPlatformVersion>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v141</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v141</PlatformToolset>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="Shared">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <LinkIncremental>true</LinkIncremental>
+    <OutDir>$(SolutionDir)msvc.build\$(Platform)-$(Configuration)\</OutDir>
+    <IntDir>$(SolutionDir)msvc.build\.obj\$(Platform)-$(Configuration)-$(ProjectName)\</IntDir>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <LinkIncremental>false</LinkIncremental>
+    <OutDir>$(SolutionDir)msvc.build\$(Platform)-$(Configuration)\</OutDir>
+    <IntDir>$(SolutionDir)msvc.build\.obj\$(Platform)-$(Configuration)-$(ProjectName)\</IntDir>
+  </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
+      <Optimization>Disabled</Optimization>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>CODEC2;_CRT_SECURE_NO_WARNINGS;_CONSOLE;_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+      <AdditionalOptions>/w24146 /w24133 /w24996</AdditionalOptions>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <EnableEnhancedInstructionSet>AdvancedVectorExtensions2</EnableEnhancedInstructionSet>
+      <AdditionalIncludeDirectories>..\..\ext</AdditionalIncludeDirectories>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>CODEC2;_CRT_SECURE_NO_WARNINGS;_CONSOLE;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+      <AdditionalOptions>/w24146 /w24133 /w24996</AdditionalOptions>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <EnableEnhancedInstructionSet>AdvancedVectorExtensions2</EnableEnhancedInstructionSet>
+      <AdditionalIncludeDirectories>..\..\ext</AdditionalIncludeDirectories>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>
\ No newline at end of file
diff --git a/vs/vs2017/icapp.vcxproj.filters b/vs/vs2017/icapp.vcxproj.filters
new file mode 100644
index 0000000..83807a9
--- /dev/null
+++ b/vs/vs2017/icapp.vcxproj.filters
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="Source Files">
+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+      <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
+    </Filter>
+    <Filter Include="Header Files">
+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+      <Extensions>h;hh;hpp;hxx;hm;inl;inc;ipp;xsd</Extensions>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="..\..\icapp.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\getopt.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+  </ItemGroup>
+</Project>
\ No newline at end of file