5 files changed, 8 insertions, 111 deletions
diff --git a/DvdLib/Ifo/AudioAttributes.cs b/DvdLib/Ifo/AudioAttributes.cs
deleted file mode 100644
index b76f9fc05..000000000
--- a/DvdLib/Ifo/AudioAttributes.cs
+++ /dev/null
@@ -1,36 +0,0 @@
-namespace DvdLib.Ifo
-{
-    public enum AudioCodec
-    {
-        AC3 = 0,
-        MPEG1 = 2,
-        MPEG2ext = 3,
-        LPCM = 4,
-        DTS = 6,
-    }
-
-    public enum ApplicationMode
-    {
-        Unspecified = 0,
-        Karaoke = 1,
-        Surround = 2,
-    }
-
-    public class AudioAttributes
-    {
-        public readonly AudioCodec Codec;
-        public readonly bool MultichannelExtensionPresent;
-        public readonly ApplicationMode Mode;
-        public readonly byte QuantDRC;
-        public readonly byte SampleRate;
-        public readonly byte Channels;
-        public readonly ushort LanguageCode;
-        public readonly byte LanguageExtension;
-        public readonly byte CodeExtension;
-    }
-
-    public class MultiChannelExtension
-    {
-
-    }
-}
diff --git a/DvdLib/Ifo/Dvd.cs b/DvdLib/Ifo/Dvd.cs
index f784be83e..90125fa3e 100644
--- a/DvdLib/Ifo/Dvd.cs
+++ b/DvdLib/Ifo/Dvd.cs
@@ -26,17 +26,17 @@ namespace DvdLib.Ifo
 
             if (vmgPath == null)
             {
-                var allIfos = allFiles.Where(i => string.Equals(i.Extension, ".ifo", StringComparison.OrdinalIgnoreCase));
-
-                foreach (var ifo in allIfos)
+                foreach (var ifo in allFiles)
                 {
-                    var num = ifo.Name.Split('_').ElementAtOrDefault(1);
-                    var numbersRead = new List<ushort>();
+                    if (!string.Equals(ifo.Extension, ".ifo", StringComparison.OrdinalIgnoreCase))
+                    {
+                        continue;
+                    }
 
-                    if (!string.IsNullOrEmpty(num) && ushort.TryParse(num, out var ifoNumber) && !numbersRead.Contains(ifoNumber))
+                    var nums = ifo.Name.Split(new [] { '_' }, StringSplitOptions.RemoveEmptyEntries);
+                    if (nums.Length >= 2 && ushort.TryParse(nums[1], out var ifoNumber))
                     {
                         ReadVTS(ifoNumber, ifo.FullName);
-                        numbersRead.Add(ifoNumber);
                     }
                 }
             }
@@ -76,7 +76,7 @@ namespace DvdLib.Ifo
             }
         }
 
-        private void ReadVTS(ushort vtsNum, List<FileSystemMetadata> allFiles)
+        private void ReadVTS(ushort vtsNum, IEnumerable<FileSystemMetadata> allFiles)
         {
             var filename = string.Format("VTS_{0:00}_0.IFO", vtsNum);
 
diff --git a/DvdLib/Ifo/PgcCommandTable.cs b/DvdLib/Ifo/PgcCommandTable.cs
deleted file mode 100644
index d329fcba2..000000000
--- a/DvdLib/Ifo/PgcCommandTable.cs
+++ /dev/null
@@ -1,17 +0,0 @@
-using System.Collections.Generic;
-
-namespace DvdLib.Ifo
-{
-    public class ProgramChainCommandTable
-    {
-        public readonly ushort LastByteAddress;
-        public readonly List<VirtualMachineCommand> PreCommands;
-        public readonly List<VirtualMachineCommand> PostCommands;
-        public readonly List<VirtualMachineCommand> CellCommands;
-    }
-
-    public class VirtualMachineCommand
-    {
-        public readonly byte[] Command;
-    }
-}
diff --git a/DvdLib/Ifo/ProgramChain.cs b/DvdLib/Ifo/ProgramChain.cs
index 80889738f..7b003005b 100644
--- a/DvdLib/Ifo/ProgramChain.cs
+++ b/DvdLib/Ifo/ProgramChain.cs
@@ -25,13 +25,10 @@ namespace DvdLib.Ifo
         public byte[] SubpictureStreamControl { get; private set; } // 32*4 entries
 
         private ushort _nextProgramNumber;
-        public readonly ProgramChain Next;
 
         private ushort _prevProgramNumber;
-        public readonly ProgramChain Previous;
 
         private ushort _goupProgramNumber;
-        public readonly ProgramChain Goup; // ?? maybe Group
 
         public ProgramPlaybackMode PlaybackMode { get; private set; }
         public uint ProgramCount { get; private set; }
@@ -40,7 +37,6 @@ namespace DvdLib.Ifo
         public byte[] Palette { get; private set; } // 16*4 entries
 
         private ushort _commandTableOffset;
-        public readonly ProgramChainCommandTable CommandTable;
 
         private ushort _programMapOffset;
         private ushort _cellPlaybackOffset;
diff --git a/DvdLib/Ifo/VideoAttributes.cs b/DvdLib/Ifo/VideoAttributes.cs
deleted file mode 100644
index 8b3996715..000000000
--- a/DvdLib/Ifo/VideoAttributes.cs
+++ /dev/null
@@ -1,46 +0,0 @@
-namespace DvdLib.Ifo
-{
-    public enum VideoCodec
-    {
-        MPEG1 = 0,
-        MPEG2 = 1,
-    }
-
-    public enum VideoFormat
-    {
-        NTSC = 0,
-        PAL = 1,
-    }
-
-    public enum AspectRatio
-    {
-        ar4to3 = 0,
-        ar16to9 = 3
-    }
-
-    public enum FilmMode
-    {
-        None = -1,
-        Camera = 0,
-        Film = 1,
-    }
-
-    public class VideoAttributes
-    {
-        public readonly VideoCodec Codec;
-        public readonly VideoFormat Format;
-        public readonly AspectRatio Aspect;
-        public readonly bool AutomaticPanScan;
-        public readonly bool AutomaticLetterBox;
-        public readonly bool Line21CCField1;
-        public readonly bool Line21CCField2;
-        public readonly int Width;
-        public readonly int Height;
-        public readonly bool Letterboxed;
-        public readonly FilmMode FilmMode;
-
-        public VideoAttributes()
-        {
-        }
-    }
-}