Add project files.

libsndfile.NET8.sln

@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.8.34330.188
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "libsndfile.NET8", "libsndfile.NET8\libsndfile.NET8.csproj", "{51C581C4-63AB-4D49-9F53-DFAB2B8E83F7}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{51C581C4-63AB-4D49-9F53-DFAB2B8E83F7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{51C581C4-63AB-4D49-9F53-DFAB2B8E83F7}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{51C581C4-63AB-4D49-9F53-DFAB2B8E83F7}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{51C581C4-63AB-4D49-9F53-DFAB2B8E83F7}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {1F643DFF-29F5-4478-B0A4-2A587DA68541}
+	EndGlobalSection
+EndGlobal

libsndfile.NET8/Marshaller/Marshaller.cs

@@ -0,0 +1,50 @@
+using System;
+using System.Runtime.InteropServices;
+
+
+namespace libsndfile.NET8
+{
+
+    internal struct Marshaller<T> : IDisposable where T : struct
+    {
+        public T Data { get; }
+        public int Size { get; }
+        public IntPtr Address { get; }
+
+        public Marshaller(T data, MarshallerBehavior behavior = MarshallerBehavior.Push)
+        {
+            Data = data;
+            Size = Marshal.SizeOf(data);
+            Address = Marshal.AllocHGlobal(Size);
+
+            switch (behavior)
+            {
+                case MarshallerBehavior.None:
+                    break;
+                case MarshallerBehavior.Push:
+                    Push();
+                    break;
+                case MarshallerBehavior.PushDeleteOld:
+                    Push(true);
+                    break;
+                default:
+                    throw new ArgumentOutOfRangeException(nameof(behavior), behavior, null);
+            }
+        }
+
+        public void Push(bool deleteOld = false)
+        {
+            Marshal.StructureToPtr(Data, Address, deleteOld);
+        }
+
+        public T Pop()
+        {
+            return Marshal.PtrToStructure<T>(Address);
+        }
+
+        public void Dispose()
+        {
+            Marshal.FreeHGlobal(Address);
+        }
+    }
+}

libsndfile.NET8/Marshaller/MarshallerBehavior.cs

@@ -0,0 +1,9 @@
+namespace libsndfile.NET8
+{
+    internal enum MarshallerBehavior
+    {
+        None,
+        Push,
+        PushDeleteOld
+    }
+}

libsndfile.NET8/SfAmbisonic.cs

@@ -0,0 +1,11 @@
+
+
+namespace libsndfile.NET8
+{
+
+    public enum SfAmbisonic
+    {
+        None = 0x40,
+        BFormat = 0x41
+    }
+}

libsndfile.NET8/SfBroadcastInfo.cs

@@ -0,0 +1,53 @@
+using System.Runtime.InteropServices;
+
+
+namespace libsndfile.NET8
+{
+
+    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
+    public struct SfBroadcastInfo
+    {
+        public const int DescriptionSize = 256;
+        public const int OriginatorSize = 32;
+        public const int OriginatorReferenceSize = 32;
+        public const int OriginationDateSize = 10;
+        public const int OriginationTimeSize = 8;
+        public const int UmidSize = 64;
+        public const int ReservedSize = 190;
+        public const int CodingHistorySizeDefault = 256;
+
+        public static SfBroadcastInfo Empty { get; }
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = DescriptionSize)]
+        public readonly string Description;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = OriginatorSize)]
+        public readonly string Originator;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = OriginatorReferenceSize)]
+        public readonly string OriginatorReference;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = OriginationDateSize)]
+        public readonly string OriginationDate;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = OriginationTimeSize)]
+        public readonly string OriginationTime;
+
+        public readonly uint TimeReferenceLow;
+
+        public readonly uint TimeReferenceHigh;
+
+        public readonly short Version;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = UmidSize)]
+        public readonly string Umid;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = ReservedSize)]
+        public readonly string Reserved;
+
+        public readonly uint CodingHistorySize;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = CodingHistorySizeDefault)]
+        public readonly string CodingHistory;
+    }
+}

libsndfile.NET8/SfCartInfo.cs

@@ -0,0 +1,93 @@
+using System.Runtime.InteropServices;
+
+
+namespace libsndfile.NET8
+{
+
+    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
+    public struct SfCartInfo
+    {
+        public const int VersionSize = 4;
+        public const int TitleSize = 64;
+        public const int ArtistSize = 64;
+        public const int CutIdSize = 64;
+        public const int ClientIdSize = 64;
+        public const int CategorySize = 64;
+        public const int ClassificationSize = 64;
+        public const int OutCueSize = 64;
+        public const int StartDateSize = 10;
+        public const int StartTimeSize = 8;
+        public const int EndDateSize = 10;
+        public const int EndTimeSize = 8;
+        public const int ProducerAppIdSize = 64;
+        public const int ProducerAppVersionSize = 64;
+        public const int UserDefSize = 64;
+        public const int PostTimersSize = 8;
+        public const int ReservedSize = 276;
+        public const int UrlSize = 1024;
+        public const int TagTextSizeDefault = 256;
+
+        public static SfCartInfo Empty { get; } = new SfCartInfo {PostTimers = new SfCartTimer[PostTimersSize]};
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = VersionSize)]
+        public string Version;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = TitleSize)]
+        public string Title;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = ArtistSize)]
+        public string Artist;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = CutIdSize)]
+        public string CutId;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = ClientIdSize)]
+        public string ClientId;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = CategorySize)]
+        public string Category;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = ClassificationSize)]
+        public string Classification;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = OutCueSize)]
+        public string OutCue;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = StartDateSize)]
+        public string StartDate;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = StartTimeSize)]
+        public string StartTime;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = EndDateSize)]
+        public string EndDate;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = EndTimeSize)]
+        public string EndTime;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = ProducerAppIdSize)]
+        public string ProducerAppId;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = ProducerAppVersionSize)]
+        public string ProducerAppVersion;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = UserDefSize)]
+        public string UserDef;
+
+        public int LevelReference;
+
+        [MarshalAs(UnmanagedType.ByValArray, SizeConst = PostTimersSize, ArraySubType = UnmanagedType.Struct)]
+        public SfCartTimer[] PostTimers;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = ReservedSize)]
+        public string Reserved;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = UrlSize)]
+        public string Url;
+
+        public uint TagTextSize;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = TagTextSizeDefault)]
+        public string TagText;
+    }
+}

libsndfile.NET8/SfCartTimer.cs

@@ -0,0 +1,17 @@
+using System.Runtime.InteropServices;
+
+
+namespace libsndfile.NET8
+{
+
+    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
+    public struct SfCartTimer
+    {
+        public const int UsageSize = 4;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = UsageSize)]
+        public string Usage;
+
+        public int Value;
+    }
+}

libsndfile.NET8/SfCommand.cs

@@ -0,0 +1,102 @@
+namespace libsndfile.NET8
+{
+    internal enum SfCommand
+    {
+        GetLibVersion = 0x1000,
+        GetLogInfo = 0x1001,
+        SFC_GET_CURRENT_SF_INFO = 0x1002,
+
+
+        GetNormDouble = 0x1010,
+        GetNormFloat = 0x1011,
+        SetNormDouble = 0x1012,
+        SetNormFloat = 0x1013,
+        SetScaleFloatIntRead = 0x1014,
+        SetScaleIntFloatWrite = 0x1015,
+
+        GetSimpleFormatCount = 0x1020,
+        GetSimpleFormat = 0x1021,
+
+        GetFormatInfo = 0x1028,
+
+        GetFormatMajorCount = 0x1030,
+        GetFormatMajor = 0x1031,
+        GetFormatSubtypeCount = 0x1032,
+        GetFormatSubtype = 0x1033,
+
+        CalcSignalMax = 0x1040,
+        CalcNormSignalMax = 0x1041,
+        CalcMaxAllChannels = 0x1042,
+        CalcNormMaxAllChannels = 0x1043,
+        GetSignalMax = 0x1044,
+        GetMaxAllChannels = 0x1045,
+
+        SetAddPeakChunk = 0x1050,
+        SFC_SET_ADD_HEADER_PAD_CHUNK = 0x1051,
+
+        UpdateHeaderNow = 0x1060,
+        SetUpdateHeaderAuto = 0x1061,
+
+        FileTruncate = 0x1080,
+
+        SetRawStartOffset = 0x1090,
+
+        SFC_SET_DITHER_ON_WRITE = 0x10A0,
+        SFC_SET_DITHER_ON_READ = 0x10A1,
+
+        SFC_GET_DITHER_INFO_COUNT = 0x10A2,
+        SFC_GET_DITHER_INFO = 0x10A3,
+
+        GetEmbedFileInfo = 0x10B0,
+
+        SetClipping = 0x10C0,
+        GetClipping = 0x10C1,
+
+        GetCueCount = 0x10CD,
+        GetCue = 0x10CE,
+        SetCue = 0x10CF,
+
+        GetInstrument = 0x10D0,
+        SetInstrument = 0x10D1,
+
+        GetLoopInfo = 0x10E0,
+
+        GetBroadcastInfo = 0x10F0,
+        SetBroadcastInfo = 0x10F1,
+
+        SFC_GET_CHANNEL_MAP_INFO = 0x1100,
+        SFC_SET_CHANNEL_MAP_INFO = 0x1101,
+
+        RawDataNeedsEndswap = 0x1110,
+
+        /* Support for Wavex Ambisonics Format */
+        WavexSetAmbisonic = 0x1200,
+        WavexGetAmbisonic = 0x1201,
+
+        /*
+        ** RF64 files can be set so that on-close, writable files that have less
+        ** than 4GB of data in them are converted to RIFF/WAV, as per EBU
+        ** recommendations.
+        */
+        Rf64AutoDowngrade = 0x1210,
+
+        SetVbrEncodingQuality = 0x1300,
+        SetCompressionLevel = 0x1301,
+
+        /* Cart Chunk support */
+        SetCartInfo = 0x1400,
+        GetCartInfo = 0x1401
+
+        /* Following commands for testing only. */
+        // SFC_TEST_IEEE_FLOAT_REPLACE = 0x6001,
+
+        /*
+        ** SFC_SET_ADD_* values are deprecated and will disappear at some
+        ** time in the future. They are guaranteed to be here up to and
+        ** including version 1.0.8 to avoid breakage of existing software.
+        ** They currently do nothing and will continue to do nothing.
+        */
+        // SFC_SET_ADD_DITHER_ON_WRITE = 0x1070,
+        // SFC_SET_ADD_DITHER_ON_READ = 0x1071
+    }
+}