Initial checkin

Bwg.Scsi/SubheaderData.cs

@@ -0,0 +1,121 @@
+//
+// BwgBurn - CD-R/CD-RW/DVD-R/DVD-RW burning program for Windows XP
+// 
+// Copyright (C) 2006 by Jack W. Griffin (butchg@comcast.net)
+//
+// This program is free software; you can redistribute it and/or modify 
+// it under the terms of the GNU General Public License as published by 
+// the Free Software Foundation; either version 2 of the License, or 
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful, but 
+// WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
+// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 
+// for more details.
+//
+// You should have received a copy of the GNU General Public License along 
+// with this program; if not, write to the 
+//
+// Free Software Foundation, Inc., 
+// 59 Temple Place, Suite 330, 
+// Boston, MA 02111-1307 USA
+//
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Bwg.Scsi
+{
+    /// <summary>
+    /// This class represents subheader data for a given sector
+    /// </summary>
+    public class SubheaderData : Result
+    {
+        #region public types
+        /// <summary>
+        /// The submode type
+        /// </summary>
+        [Flags]
+        public enum SubmodeType : byte
+        {
+
+            /// <summary>
+            /// See SCSI MMC spec
+            /// </summary>
+            EndOfFile = 0x80,
+
+            /// <summary>
+            /// See SCSI MMC spec
+            /// </summary>
+            RealTimeBlock = 0x40,
+
+            /// <summary>
+            /// See SCSI MMC spec
+            /// </summary>
+            Form2 = 0x20,
+
+            /// <summary>
+            /// See SCSI MMC spec
+            /// </summary>
+            TriggerBlock = 0x10,
+
+            /// <summary>
+            /// See SCSI MMC spec
+            /// </summary>
+            DataBlock = 0x08,
+
+            /// <summary>
+            /// See SCSI MMC spec
+            /// </summary>
+            AudioBlock = 0x04,          // Not traditional CD-DA
+
+            /// <summary>
+            /// See SCSI MMC spec
+            /// </summary>
+            VideoBlock = 0x02,
+
+            /// <summary>
+            /// See SCSI MMC spec
+            /// </summary>
+            EndOfRecord = 0x01
+        } ;
+        #endregion
+
+        #region public data members
+        /// <summary>
+        /// File number, see SCSI MMC spec
+        /// </summary>
+        public readonly byte FileNumber;
+
+        /// <summary>
+        /// Channel number, see SCSI MMC spec
+        /// </summary>
+        public readonly byte ChannelNumber;
+
+        /// <summary>
+        /// Submode, see SCSI MMC spec
+        /// </summary>
+        public readonly SubmodeType Submode;
+
+        /// <summary>
+        /// Coding information, see SCSI MMC spec
+        /// </summary>
+        public readonly byte CodingInformation;
+
+        #endregion
+
+        /// <summary>
+        /// Create subheader data information from subheader data read
+        /// </summary>
+        /// <param name="buf">the buffer containing the subheader data</param>
+        /// <param name="size">the size of the data</param>
+        public SubheaderData(IntPtr buf, int size)
+            : base(buf, size)
+        {
+            FileNumber = Get8(0);
+            ChannelNumber = Get8(1);
+            Submode = (SubmodeType)Get8(2);
+            CodingInformation = Get8(3);
+        }
+    }
+}