added a basic csproj

8 files changed, 569 insertions, 1 deletions

diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..1ff0c42
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,63 @@
+###############################################################################
+# Set default behavior to automatically normalize line endings.
+###############################################################################
+* text=auto
+
+###############################################################################
+# Set default behavior for command prompt diff.
+#
+# This is need for earlier builds of msysgit that does not have it on by
+# default for csharp files.
+# Note: This is only used by command line
+###############################################################################
+#*.cs     diff=csharp
+
+###############################################################################
+# Set the merge driver for project and solution files
+#
+# Merging from the command prompt will add diff markers to the files if there
+# are conflicts (Merging from VS is not affected by the settings below, in VS
+# the diff markers are never inserted). Diff markers may cause the following 
+# file extensions to fail to load in VS. An alternative would be to treat
+# these files as binary and thus will always conflict and require user
+# intervention with every merge. To do so, just uncomment the entries below
+###############################################################################
+#*.sln       merge=binary
+#*.csproj    merge=binary
+#*.vbproj    merge=binary
+#*.vcxproj   merge=binary
+#*.vcproj    merge=binary
+#*.dbproj    merge=binary
+#*.fsproj    merge=binary
+#*.lsproj    merge=binary
+#*.wixproj   merge=binary
+#*.modelproj merge=binary
+#*.sqlproj   merge=binary
+#*.wwaproj   merge=binary
+
+###############################################################################
+# behavior for image files
+#
+# image files are treated as binary by default.
+###############################################################################
+#*.jpg   binary
+#*.png   binary
+#*.gif   binary
+
+###############################################################################
+# diff behavior for common document formats
+# 
+# Convert binary document formats to text before diffing them. This feature
+# is only available from the command line. Turn it on by uncommenting the 
+# entries below.
+###############################################################################
+#*.doc   diff=astextplain
+#*.DOC   diff=astextplain
+#*.docx  diff=astextplain
+#*.DOCX  diff=astextplain
+#*.dot   diff=astextplain
+#*.DOT   diff=astextplain
+#*.pdf   diff=astextplain
+#*.PDF   diff=astextplain
+#*.rtf   diff=astextplain
+#*.RTF   diff=astextplain
diff --git a/README.md b/README.md
index 824dafc..1f9ce83 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,6 @@
 # RollingWavReader
-A C#/.NET WAV reader that supports reading from a stream that's being updated in real-time
+A C#/.NET WAV reader that supports reading from a stream that's being updated in real-time.
+
+# Usage
+Once you've created a ``RollingWavReader`` instance, simply call the ``Update()`` function at regular intervals and ``FinalizeData()`` once the stream has been closed.
+
diff --git a/RollingWavReader/RollingWavReader.sln b/RollingWavReader/RollingWavReader.sln
new file mode 100644
index 0000000..00565fb
--- /dev/null
+++ b/RollingWavReader/RollingWavReader.sln
@@ -0,0 +1,40 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 14
+VisualStudioVersion = 14.0.25420.1
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "RollingWavReader", "RollingWavReader\RollingWavReader.csproj", "{399223DF-43A8-4238-84BB-C3DF47034CE4}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Debug|ARM = Debug|ARM
+		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
+		Release|Any CPU = Release|Any CPU
+		Release|ARM = Release|ARM
+		Release|x64 = Release|x64
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{399223DF-43A8-4238-84BB-C3DF47034CE4}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{399223DF-43A8-4238-84BB-C3DF47034CE4}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{399223DF-43A8-4238-84BB-C3DF47034CE4}.Debug|ARM.ActiveCfg = Debug|ARM
+		{399223DF-43A8-4238-84BB-C3DF47034CE4}.Debug|ARM.Build.0 = Debug|ARM
+		{399223DF-43A8-4238-84BB-C3DF47034CE4}.Debug|x64.ActiveCfg = Debug|x64
+		{399223DF-43A8-4238-84BB-C3DF47034CE4}.Debug|x64.Build.0 = Debug|x64
+		{399223DF-43A8-4238-84BB-C3DF47034CE4}.Debug|x86.ActiveCfg = Debug|x86
+		{399223DF-43A8-4238-84BB-C3DF47034CE4}.Debug|x86.Build.0 = Debug|x86
+		{399223DF-43A8-4238-84BB-C3DF47034CE4}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{399223DF-43A8-4238-84BB-C3DF47034CE4}.Release|Any CPU.Build.0 = Release|Any CPU
+		{399223DF-43A8-4238-84BB-C3DF47034CE4}.Release|ARM.ActiveCfg = Release|ARM
+		{399223DF-43A8-4238-84BB-C3DF47034CE4}.Release|ARM.Build.0 = Release|ARM
+		{399223DF-43A8-4238-84BB-C3DF47034CE4}.Release|x64.ActiveCfg = Release|x64
+		{399223DF-43A8-4238-84BB-C3DF47034CE4}.Release|x64.Build.0 = Release|x64
+		{399223DF-43A8-4238-84BB-C3DF47034CE4}.Release|x86.ActiveCfg = Release|x86
+		{399223DF-43A8-4238-84BB-C3DF47034CE4}.Release|x86.Build.0 = Release|x86
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal
diff --git a/RollingWavReader/RollingWavReader/Properties/AssemblyInfo.cs b/RollingWavReader/RollingWavReader/Properties/AssemblyInfo.cs
new file mode 100644
index 0000000..2177b0a
--- /dev/null
+++ b/RollingWavReader/RollingWavReader/Properties/AssemblyInfo.cs
@@ -0,0 +1,29 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following 
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("RollingWavReader")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("RollingWavReader")]
+[assembly: AssemblyCopyright("Copyright ©  2016")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version 
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers 
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]
+[assembly: ComVisible(false)]
\ No newline at end of file
diff --git a/RollingWavReader/RollingWavReader/Properties/RollingWavReader.rd.xml b/RollingWavReader/RollingWavReader/Properties/RollingWavReader.rd.xml
new file mode 100644
index 0000000..ae17f16
--- /dev/null
+++ b/RollingWavReader/RollingWavReader/Properties/RollingWavReader.rd.xml
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    This file contains Runtime Directives, specifications about types your application accesses
+    through reflection and other dynamic code patterns. Runtime Directives are used to control the
+    .NET Native optimizer and ensure that it does not remove code accessed by your library. If your
+    library does not do any reflection, then you generally do not need to edit this file. However,
+    if your library reflects over types, especially types passed to it or derived from its types,
+    then you should write Runtime Directives.
+
+    The most common use of reflection in libraries is to discover information about types passed
+    to the library. Runtime Directives have three ways to express requirements on types passed to
+    your library.
+
+    1.  Parameter, GenericParameter, TypeParameter, TypeEnumerableParameter
+        Use these directives to reflect over types passed as a parameter.
+
+    2.  SubTypes
+        Use a SubTypes directive to reflect over types derived from another type.
+
+    3.  AttributeImplies
+        Use an AttributeImplies directive to indicate that your library needs to reflect over
+        types or methods decorated with an attribute.
+
+    For more information on writing Runtime Directives for libraries, please visit
+    http://go.microsoft.com/fwlink/?LinkID=391919
+-->
+<Directives xmlns="http://schemas.microsoft.com/netfx/2013/01/metadata">
+  <Library Name="RollingWavReader">
+
+  	<!-- add directives for your library here -->
+
+  </Library>
+</Directives>
diff --git a/RollingWavReader/RollingWavReader/RollingWavReader.cs b/RollingWavReader/RollingWavReader/RollingWavReader.cs
new file mode 100644
index 0000000..59b9eca
--- /dev/null
+++ b/RollingWavReader/RollingWavReader/RollingWavReader.cs
@@ -0,0 +1,258 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.InteropServices.WindowsRuntime;
+using System.Threading.Tasks;
+using Windows.Storage.Streams;
+
+namespace VoicePrint
+{
+    class RollingWavReader
+    {
+        public int Channels { get; set; }
+        public int SampleRate { get; set; }
+        public int SampleBitWidth { get; set; }
+        public long[][] Samples { get; set; }
+        public List<double[]> Features { get; set; }
+        public List<Tuple<int, int, int, int>> OngoingMFCCs { get; set; }
+        public List<bool> AreMFCCsOngoing { get; set; }
+        public int UsedSampleLength { get; set; }
+        public long NumSamples { get; set; }
+        private IRandomAccessStream _Source { get; set; }
+        private ulong Position { get; set; }
+        private ulong DataChunkPosition { get; set; }
+        private bool ReadingData { get; set; }
+
+        public RollingWavReader(IRandomAccessStream source)
+        {
+            _Source = source;
+            Position = 0;
+            OngoingMFCCs = new List<Tuple<int, int, int, int>>();
+            Features = new List<double[]>();
+            AreMFCCsOngoing = new List<bool>();
+        }
+
+        public async Task Update()
+        {
+            var cloned = _Source.CloneStream();
+            if (!ReadingData)
+            {
+                ParseHeaders(cloned);
+                if (ReadingData)
+                {
+                    Position = DataChunkPosition + 8; //set position to the first sample
+                    Samples = new long[Channels][];
+                    for (var c = 0; c < Samples.Length; c++)
+                    {
+                        Samples[c] = new long[4800];
+                    }
+                    UsedSampleLength = 0;
+                }
+            }
+            if (ReadingData)
+            {
+                await ParseRollingData(cloned);
+            }
+        }
+
+        private void ParseFormatChunk(byte[] rawData, int offset)
+        {
+            Channels = BitConverter.ToInt16(rawData, offset + 10);
+            SampleRate = BitConverter.ToInt32(rawData, offset + 12);
+            SampleBitWidth = BitConverter.ToInt16(rawData, offset + 22);
+        }
+
+        private async Task ParseRollingData(IRandomAccessStream source)
+        {
+            var bytesLeft = source.Size - Position;
+            var offsetSample = UsedSampleLength;
+
+            var bytesPerSample = (ulong)SampleBitWidth / 8;
+            var samplesToParse = bytesLeft / (bytesPerSample * (ulong)Channels);
+
+            UsedSampleLength += (int)samplesToParse;
+
+            if (Samples[0].Length < UsedSampleLength + (int)samplesToParse)
+            {
+                for (var c = 0; c < Channels; c++)
+                {
+                    Array.Resize(ref Samples[c], Samples[0].Length + ((int)samplesToParse) + 4800); //Throw in an extra second for kicks
+                }
+            }
+
+            var rawData = new byte[(int)samplesToParse * Channels * (int)bytesPerSample];
+            source.Seek(Position);
+            await source.ReadAsync(rawData.AsBuffer(), (uint)rawData.Length, InputStreamOptions.None);
+            for (ulong s = 0; s < samplesToParse; s++)
+            {
+                for (var c = 0; c < Channels; c++)
+                {
+                    var sourceOffset = (int)((s * bytesPerSample * (ulong)Channels) + ((ulong)c * bytesPerSample));
+                    if (sourceOffset >= rawData.Length) break;
+                    var sampleIndex = offsetSample + (int)s;
+                    if (Samples[c][sampleIndex] != default(long))
+                    {
+                        var y = 1 + 1;
+                    }
+                    switch (SampleBitWidth)
+                    {
+                        case 8:
+                            Samples[c][sampleIndex] = (long)rawData[sourceOffset];
+                            continue;
+                        case 16:
+                            Samples[c][sampleIndex] = BitConverter.ToInt16(rawData, sourceOffset);
+                            continue;
+                        case 32:
+                            Samples[c][sampleIndex] = BitConverter.ToInt32(rawData, sourceOffset);
+                            continue;
+                        case 64:
+                            Samples[c][sampleIndex] = BitConverter.ToInt64(rawData, sourceOffset);
+                            continue;
+                        default:
+                            throw new NotImplementedException();
+                    }
+                }
+            }
+            Position += samplesToParse * (ulong)Channels * bytesPerSample;
+        }
+
+        public async Task FinalizeData()
+        {
+            await Update();
+            for (var c = 0; c < Channels; c++)
+            {
+                Array.Resize(ref Samples[c], UsedSampleLength); //Throw in an extra second for kicks
+            }
+        }
+
+        private async void ParseHeaders(IRandomAccessStream source)
+        {
+            source.Seek(0);
+            var streamContent = new byte[Math.Min(1000, source.Size)];
+            await source.ReadAsync(streamContent.AsBuffer(), (uint)Math.Min(1000, source.Size), InputStreamOptions.None);
+
+            var riffText = System.Text.Encoding.ASCII.GetString(streamContent, 0, 4);
+            var waveText = System.Text.Encoding.ASCII.GetString(streamContent, 8, 4);
+
+            var offset = 12;
+            while (offset < streamContent.Length)
+            {
+                try
+                {
+                    var chunkName = System.Text.Encoding.ASCII.GetString(streamContent, offset, 4).ToLower();
+                    if (chunkName.StartsWith("fmt"))
+                    {
+                        ParseFormatChunk(streamContent, offset);
+                    }
+
+                    if (chunkName.StartsWith("data"))
+                    {
+                        DataChunkPosition = (ulong)offset;
+                        ReadingData = true;
+                        break;
+                    }
+
+                    offset += 8 + BitConverter.ToInt32(streamContent, offset + 4);
+                }
+                catch { break; }
+            }
+        }
+
+        /* Optional portion of the library for applying feature extraction to the samples */
+
+        private int NumWindows(int startSample, int maxNumSamples, int windowWidth, int windowOffset)
+        {
+            var numWindows = (int)Math.Floor((double)(UsedSampleLength - startSample) / (double)windowOffset);
+            var endSample = startSample + (numWindows * windowOffset) + (windowWidth - windowOffset); //TODO: Ensure endSample < UsedSampleLength
+            if ((endSample - startSample) < maxNumSamples)
+            {
+                while ((endSample - startSample) < maxNumSamples)
+                {
+                    endSample += windowOffset;
+                    numWindows++;
+                }
+                endSample -= windowOffset;
+                numWindows--;
+            }
+            else if ((endSample - startSample) > maxNumSamples)
+            {
+                while ((endSample - startSample) > maxNumSamples)
+                {
+                    endSample -= windowOffset;
+                    numWindows--;
+                }
+            }
+            if (numWindows > 0)
+            {
+                return numWindows;
+            }
+            else
+            {
+                return -1;
+            }
+        }
+
+        public void FilterAndMFCCRollingSamples(int windowWidthMs, int windowOffsetMs, bool finishing = false,
+            int thresholdAmplitude = 250, double thresholdOfSample = 0.3, int numFilters = 26, int numFeatures = 13,
+            int channel = 0, bool keepOrder = false)
+        {
+            if (keepOrder) throw new NotImplementedException();
+
+            var windowWidth = windowWidthMs * (SampleRate / 1000); //(in samples)
+            var windowOffset = windowOffsetMs * (SampleRate / 1000); //(in samples)
+
+            if (!ReadingData || UsedSampleLength < windowWidth) return;
+
+            var startSample = OngoingMFCCs.Any() ? OngoingMFCCs.Max(a => a.Item2) : 0; //Get the highest sample that another one has ended on
+            var startFeatureIndex = OngoingMFCCs.Any() ? OngoingMFCCs.Max(a => a.Item4) : 0;
+            var maxNumSamples = UsedSampleLength - startSample;
+            var numWindows = NumWindows(startSample, maxNumSamples, windowWidth, windowOffset);
+            if (numWindows == -1) return;
+            var endSample = startSample + (numWindows * windowOffset) + (windowWidth - windowOffset);
+            var endFeatureIndex = startFeatureIndex + numWindows;
+
+            var thisTuple = new Tuple<int, int, int, int>(startSample, endSample, startFeatureIndex, endFeatureIndex);
+            OngoingMFCCs.Add(thisTuple);
+            AreMFCCsOngoing.Insert(OngoingMFCCs.IndexOf(thisTuple), true);
+
+            var samples = Samples[0];
+
+            var features = new double[numWindows][];
+            var didBreak = false;
+
+            var parallelResult = Parallel.For(0, numWindows, (window, state) =>
+            {
+                try
+                {
+                    var windowSamples = samples.Skip(startSample + ((int)window * windowOffset)).Take(windowWidth).Select(amplitude => (double)amplitude).ToArray();
+                    if (windowSamples.Count(sample => Math.Abs(sample) < thresholdAmplitude) > (windowSamples.Length * thresholdOfSample)) return;
+                    features[window] = MFCC.compute(windowSamples, numFilters, numFeatures);
+                }
+                catch
+                {
+                    didBreak = true;
+                    state.Break();
+                }
+            });
+
+            if (!didBreak && !parallelResult.IsCompleted)
+            {
+                throw new Exception("Parallel For loop didn't complete.");
+            }
+
+            Features.InsertRange(startFeatureIndex, features);
+            AreMFCCsOngoing[OngoingMFCCs.IndexOf(thisTuple)] = false;
+        }
+
+        public async Task<double[][]> FinishMFCCSamples(int windowWidthMs, int windowOffsetMs)
+        {
+            FilterAndMFCCRollingSamples(windowWidthMs, windowOffsetMs, true);
+            while (AreMFCCsOngoing.Any(b => b))
+            {
+                await Task.Delay(TimeSpan.FromMilliseconds(250));
+            }
+            Features = Features.Where(feature => feature != null).ToList();
+            return Features.ToArray();
+        }
+    }
+}
diff --git a/RollingWavReader/RollingWavReader/RollingWavReader.csproj b/RollingWavReader/RollingWavReader/RollingWavReader.csproj
new file mode 100644
index 0000000..c5918fc
--- /dev/null
+++ b/RollingWavReader/RollingWavReader/RollingWavReader.csproj
@@ -0,0 +1,125 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{399223df-43a8-4238-84bb-c3df47034ce4}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>RollingWavReader</RootNamespace>
+    <AssemblyName>RollingWavReader</AssemblyName>
+    <DefaultLanguage>en-US</DefaultLanguage>
+    <TargetPlatformIdentifier>UAP</TargetPlatformIdentifier>
+    <TargetPlatformVersion>10.0.14393.0</TargetPlatformVersion>
+    <TargetPlatformMinVersion>10.0.10586.0</TargetPlatformMinVersion>
+    <MinimumVisualStudioVersion>14</MinimumVisualStudioVersion>
+    <FileAlignment>512</FileAlignment>
+    <ProjectTypeGuids>{A5A43C5B-DE2A-4C0C-9213-0A381AF9435A};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE;NETFX_CORE;WINDOWS_UWP</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE;NETFX_CORE;WINDOWS_UWP</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x86'">
+    <PlatformTarget>x86</PlatformTarget>
+    <DebugSymbols>true</DebugSymbols>
+    <OutputPath>bin\x86\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE;NETFX_CORE;WINDOWS_UWP</DefineConstants>
+    <NoWarn>;2008</NoWarn>
+    <DebugType>full</DebugType>
+    <PlatformTarget>x86</PlatformTarget>
+    <UseVSHostingProcess>false</UseVSHostingProcess>
+    <ErrorReport>prompt</ErrorReport>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x86'">
+    <PlatformTarget>x86</PlatformTarget>
+    <OutputPath>bin\x86\Release\</OutputPath>
+    <DefineConstants>TRACE;NETFX_CORE;WINDOWS_UWP</DefineConstants>
+    <Optimize>true</Optimize>
+    <NoWarn>;2008</NoWarn>
+    <DebugType>pdbonly</DebugType>
+    <PlatformTarget>x86</PlatformTarget>
+    <UseVSHostingProcess>false</UseVSHostingProcess>
+    <ErrorReport>prompt</ErrorReport>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|ARM'">
+    <PlatformTarget>ARM</PlatformTarget>
+    <DebugSymbols>true</DebugSymbols>
+    <OutputPath>bin\ARM\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE;NETFX_CORE;WINDOWS_UWP</DefineConstants>
+    <NoWarn>;2008</NoWarn>
+    <DebugType>full</DebugType>
+    <PlatformTarget>ARM</PlatformTarget>
+    <UseVSHostingProcess>false</UseVSHostingProcess>
+    <ErrorReport>prompt</ErrorReport>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|ARM'">
+    <PlatformTarget>ARM</PlatformTarget>
+    <OutputPath>bin\ARM\Release\</OutputPath>
+    <DefineConstants>TRACE;NETFX_CORE;WINDOWS_UWP</DefineConstants>
+    <Optimize>true</Optimize>
+    <NoWarn>;2008</NoWarn>
+    <DebugType>pdbonly</DebugType>
+    <PlatformTarget>ARM</PlatformTarget>
+    <UseVSHostingProcess>false</UseVSHostingProcess>
+    <ErrorReport>prompt</ErrorReport>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x64'">
+    <PlatformTarget>x64</PlatformTarget>
+    <DebugSymbols>true</DebugSymbols>
+    <OutputPath>bin\x64\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE;NETFX_CORE;WINDOWS_UWP</DefineConstants>
+    <NoWarn>;2008</NoWarn>
+    <DebugType>full</DebugType>
+    <PlatformTarget>x64</PlatformTarget>
+    <UseVSHostingProcess>false</UseVSHostingProcess>
+    <ErrorReport>prompt</ErrorReport>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x64'">
+    <PlatformTarget>x64</PlatformTarget>
+    <OutputPath>bin\x64\Release\</OutputPath>
+    <DefineConstants>TRACE;NETFX_CORE;WINDOWS_UWP</DefineConstants>
+    <Optimize>true</Optimize>
+    <NoWarn>;2008</NoWarn>
+    <DebugType>pdbonly</DebugType>
+    <PlatformTarget>x64</PlatformTarget>
+    <UseVSHostingProcess>false</UseVSHostingProcess>
+    <ErrorReport>prompt</ErrorReport>
+  </PropertyGroup>
+  <ItemGroup>
+    <!-- A reference to the entire .Net Framework and Windows SDK are automatically included -->
+    <None Include="project.json" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Class1.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+    <EmbeddedResource Include="Properties\RollingWavReader.rd.xml" />
+  </ItemGroup>
+  <PropertyGroup Condition=" '$(VisualStudioVersion)' == '' or '$(VisualStudioVersion)' &lt; '14.0' ">
+    <VisualStudioVersion>14.0</VisualStudioVersion>
+  </PropertyGroup>
+  <Import Project="$(MSBuildExtensionsPath)\Microsoft\WindowsXaml\v$(VisualStudioVersion)\Microsoft.Windows.UI.Xaml.CSharp.targets" />
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+       Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  -->
+</Project>
diff --git a/RollingWavReader/RollingWavReader/project.json b/RollingWavReader/RollingWavReader/project.json
new file mode 100644
index 0000000..92d1456
--- /dev/null
+++ b/RollingWavReader/RollingWavReader/project.json
@@ -0,0 +1,16 @@
+{
+  "dependencies": {
+    "Microsoft.NETCore.UniversalWindowsPlatform": "5.1.0"
+  },
+  "frameworks": {
+    "uap10.0": {}
+  },
+  "runtimes": {
+    "win10-arm": {},
+    "win10-arm-aot": {},
+    "win10-x86": {},
+    "win10-x86-aot": {},
+    "win10-x64": {},
+    "win10-x64-aot": {}
+  }
+}
\ No newline at end of file