-

mpvnet/MediaInfo.cs

@@ -0,0 +1,84 @@
+using System;
+using System.Runtime.InteropServices;
+
+public class MediaInfo : IDisposable
+{
+    private IntPtr Handle;
+    private static bool Loaded;
+
+    public MediaInfo(string sourcepath)
+    {
+        if (!Loaded)
+        {
+            if (LoadLibrary("MediaInfo.dll") == IntPtr.Zero)
+                throw new Exception("Failed to load MediaInfo.dll.");
+
+            Loaded = true;
+        }
+
+        Handle = MediaInfo_New();
+        MediaInfo_Open(Handle, sourcepath);
+    }
+
+    public string GetInfo(MediaInfoStreamKind streamKind, string parameter)
+    {
+        return Marshal.PtrToStringUni(MediaInfo_Get(Handle, streamKind, 0, parameter, MediaInfoInfoKind.Text, MediaInfoInfoKind.Name));
+    }
+
+    private bool Disposed;
+
+    public void Dispose()
+    {
+        if (!Disposed)
+        {
+            Disposed = true;
+            MediaInfo_Close(Handle);
+            MediaInfo_Delete(Handle);
+        }
+    }
+
+    ~MediaInfo()
+    {
+        Dispose();
+    }
+
+    [DllImport("kernel32.dll", CharSet = CharSet.Unicode)]
+    private static extern IntPtr LoadLibrary(string path);
+
+    [DllImport("MediaInfo.dll")]
+    private static extern IntPtr MediaInfo_New();
+
+    [DllImport("MediaInfo.dll")]
+    private static extern void MediaInfo_Delete(IntPtr Handle);
+
+    [DllImport("MediaInfo.dll", CharSet = CharSet.Unicode)]
+    private static extern int MediaInfo_Open(IntPtr Handle, string FileName);
+
+    [DllImport("MediaInfo.dll")]
+    private static extern int MediaInfo_Close(IntPtr Handle);
+
+    [DllImport("MediaInfo.dll", CharSet = CharSet.Unicode)]
+    private static extern IntPtr MediaInfo_Get(IntPtr Handle, MediaInfoStreamKind StreamKind, int StreamNumber, string Parameter, MediaInfoInfoKind KindOfInfo, MediaInfoInfoKind KindOfSearch);
+}
+
+public enum MediaInfoStreamKind
+{
+    General,
+    Video,
+    Audio,
+    Text,
+    Chapters,
+    Image
+}
+
+public enum MediaInfoInfoKind
+{
+    Name,
+    Text,
+    Measure,
+    Options,
+    NameText,
+    MeasureText,
+    Info,
+    HowTo
+}