new folder structure and new C# script host

src/Native/MediaInfo.cs

@@ -0,0 +1,113 @@
+
+using System;
+using System.Runtime.InteropServices;
+
+public class MediaInfo : IDisposable
+{
+    IntPtr Handle;
+
+    public MediaInfo(string file)
+    {
+        if ((Handle = MediaInfo_New()) == IntPtr.Zero)
+            throw new Exception("Failed to call MediaInfo_New");
+
+        if (MediaInfo_Open(Handle, file) == 0)
+            throw new Exception("Error MediaInfo_Open");
+    }
+
+    public string GetInfo(MediaInfoStreamKind kind, string parameter)
+    {
+        return Marshal.PtrToStringUni(MediaInfo_Get(Handle, kind, 0,
+            parameter, MediaInfoKind.Text, MediaInfoKind.Name));
+    }
+
+    public int GetCount(MediaInfoStreamKind kind) => MediaInfo_Count_Get(Handle, kind, -1);
+
+    public string GetVideo(int stream, string parameter)
+    {
+        return Marshal.PtrToStringUni(MediaInfo_Get(Handle, MediaInfoStreamKind.Video,
+            stream, parameter, MediaInfoKind.Text, MediaInfoKind.Name));
+    }
+
+    public string GetAudio(int stream, string parameter)
+    {
+        return Marshal.PtrToStringUni(MediaInfo_Get(Handle, MediaInfoStreamKind.Audio,
+            stream, parameter, MediaInfoKind.Text, MediaInfoKind.Name));
+    }
+
+    public string GetText(int stream, string parameter)
+    {
+        return Marshal.PtrToStringUni(MediaInfo_Get(Handle, MediaInfoStreamKind.Text,
+            stream, parameter, MediaInfoKind.Text, MediaInfoKind.Name));
+    }
+
+    bool Disposed;
+
+    public void Dispose()
+    {
+        if (!Disposed)
+        {
+            if (Handle != IntPtr.Zero)
+            {
+                MediaInfo_Close(Handle);
+                MediaInfo_Delete(Handle);
+            }
+
+            Disposed = true;
+        }
+    }
+
+    ~MediaInfo()
+    {
+        Dispose();
+    }
+
+    [DllImport("MediaInfo.dll")]
+    static extern IntPtr MediaInfo_New();
+
+    [DllImport("MediaInfo.dll", CharSet = CharSet.Unicode)]
+    static extern int MediaInfo_Open(IntPtr handle, string path);
+
+    [DllImport("MediaInfo.dll", CharSet = CharSet.Unicode)]
+    static extern IntPtr MediaInfo_Option(IntPtr handle, string option, string value);
+
+    [DllImport("MediaInfo.dll")]
+    static extern IntPtr MediaInfo_Inform(IntPtr handle, int reserved);
+
+    [DllImport("MediaInfo.dll")]
+    static extern int MediaInfo_Close(IntPtr handle);
+
+    [DllImport("MediaInfo.dll")]
+    static extern void MediaInfo_Delete(IntPtr handle);
+
+    [DllImport("MediaInfo.dll", CharSet = CharSet.Unicode)]
+    static extern IntPtr MediaInfo_Get(IntPtr handle, MediaInfoStreamKind kind,
+        int stream, string parameter, MediaInfoKind infoKind, MediaInfoKind searchKind);
+
+    [DllImport("MediaInfo.dll", CharSet = CharSet.Unicode)]
+    static extern int MediaInfo_Count_Get(IntPtr handle, MediaInfoStreamKind streamKind, int stream);
+}
+
+public enum MediaInfoStreamKind
+{
+    General,
+    Video,
+    Audio,
+    Text,
+    Other,
+    Image,
+    Menu,
+    Max,
+}
+
+public enum MediaInfoKind
+{
+    Name,
+    Text,
+    Measure,
+    Options,
+    NameText,
+    MeasureText,
+    Info,
+    HowTo
+}