mirror of
https://github.com/aaru-dps/Aaru.git
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304 lines
12 KiB
C#
304 lines
12 KiB
C#
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// /***************************************************************************
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// The Disc Image Chef
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// ----------------------------------------------------------------------------
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//
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// Filename : DDS.cs
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// Version : 1.0
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// Author(s) : Natalia Portillo
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//
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// Component : Component
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//
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// Revision : $Revision$
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// Last change by : $Author$
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// Date : $Date$
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Description
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//
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// --[ License ] --------------------------------------------------------------
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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// ----------------------------------------------------------------------------
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// Copyright (C) 2011-2015 Claunia.com
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// ****************************************************************************/
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// //$Id$
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using System;
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using DiscImageChef.Console;
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using System.Text;
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namespace DiscImageChef.Decoders.Bluray
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{
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/// <summary>
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/// Information from the following standards:
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/// ANSI X3.304-1997
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/// T10/1048-D revision 9.0
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/// T10/1048-D revision 10a
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/// T10/1228-D revision 7.0c
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/// T10/1228-D revision 11a
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/// T10/1363-D revision 10g
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/// T10/1545-D revision 1d
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/// T10/1545-D revision 5
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/// T10/1545-D revision 5a
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/// T10/1675-D revision 2c
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/// T10/1675-D revision 4
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/// T10/1836-D revision 2g
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/// </summary>
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public static class DDS
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{
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#region Private constants
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/// <summary>
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/// Disc Definition Structure Identifier "DS"
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/// </summary>
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const UInt16 DDSIdentifier = 0x4453;
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#endregion Private constants
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#region Public methods
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public static DiscDefinitionStructure? Decode(byte[] DDSResponse)
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{
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if (DDSResponse == null)
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return null;
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DiscDefinitionStructure decoded = new DiscDefinitionStructure();
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BigEndianBitConverter.IsLittleEndian = BitConverter.IsLittleEndian;
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decoded.DataLength = BigEndianBitConverter.ToUInt16(DDSResponse, 0);
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decoded.Reserved1 = DDSResponse[2];
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decoded.Reserved2 = DDSResponse[3];
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decoded.Signature = BigEndianBitConverter.ToUInt16(DDSResponse, 4);
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if (decoded.Signature != DDSIdentifier)
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{
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DicConsole.DebugWriteLine("BD DDS decoder", "Found incorrect DDS signature (0x{0:X4})", decoded.Signature);
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return null;
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}
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decoded.Format = DDSResponse[6];
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decoded.Reserved3 = DDSResponse[7];
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decoded.UpdateCount = BigEndianBitConverter.ToUInt32(DDSResponse, 8);
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decoded.Reserved4 = BigEndianBitConverter.ToUInt64(DDSResponse, 12);
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decoded.DriveAreaPSN = BigEndianBitConverter.ToUInt32(DDSResponse, 20);
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decoded.Reserved5 = BigEndianBitConverter.ToUInt32(DDSResponse, 24);
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decoded.DefectListPSN = BigEndianBitConverter.ToUInt32(DDSResponse, 28);
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decoded.Reserved6 = BigEndianBitConverter.ToUInt32(DDSResponse, 32);
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decoded.PSNofLSNZero = BigEndianBitConverter.ToUInt32(DDSResponse, 36);
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decoded.LastUserAreaLSN = BigEndianBitConverter.ToUInt32(DDSResponse, 40);
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decoded.ISA0 = BigEndianBitConverter.ToUInt32(DDSResponse, 44);
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decoded.OSA = BigEndianBitConverter.ToUInt32(DDSResponse, 48);
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decoded.ISA1 = BigEndianBitConverter.ToUInt32(DDSResponse, 52);
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decoded.SpareAreaFullFlags = DDSResponse[56];
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decoded.Reserved7 = DDSResponse[57];
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decoded.DiscTypeSpecificField1 = DDSResponse[58];
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decoded.Reserved8 = DDSResponse[59];
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decoded.DiscTypeSpecificField2 = BigEndianBitConverter.ToUInt32(DDSResponse, 60);
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decoded.Reserved9 = BigEndianBitConverter.ToUInt32(DDSResponse, 64);
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decoded.StatusBits = new byte[32];
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Array.Copy(DDSResponse, 68, decoded.StatusBits, 0, 32);
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decoded.DiscTypeSpecificData = new byte[DDSResponse.Length - 100];
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Array.Copy(DDSResponse, 100, decoded.DiscTypeSpecificData, 0, DDSResponse.Length - 100);
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return decoded;
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}
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public static string Prettify(DiscDefinitionStructure? DDSResponse)
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{
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if (DDSResponse == null)
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return null;
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DiscDefinitionStructure response = DDSResponse.Value;
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StringBuilder sb = new StringBuilder();
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sb.AppendFormat("DDS Format: 0x{0:X2}", response.Format).AppendLine();
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sb.AppendFormat("DDS has ben updated {0} times", response.UpdateCount).AppendLine();
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sb.AppendFormat("First PSN of Drive Area: 0x{0:X8}", response.DriveAreaPSN).AppendLine();
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sb.AppendFormat("First PSN of Defect List: 0x{0:X8}", response.DefectListPSN).AppendLine();
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sb.AppendFormat("PSN of User Data Area's LSN 0: 0x{0:X8}", response.PSNofLSNZero).AppendLine();
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sb.AppendFormat("Last User Data Area's LSN 0: 0x{0:X8}", response.LastUserAreaLSN).AppendLine();
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sb.AppendFormat("ISA0 size: {0}", response.ISA0).AppendLine();
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sb.AppendFormat("OSA size: {0}", response.OSA).AppendLine();
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sb.AppendFormat("ISA1 size: {0}", response.ISA1).AppendLine();
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sb.AppendFormat("Spare Area Full Flags: 0x{0:X2}", response.SpareAreaFullFlags).AppendLine();
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sb.AppendFormat("Disc Type Specific Field 1: 0x{0:X2}", response.DiscTypeSpecificField1).AppendLine();
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sb.AppendFormat("Disc Type Specific Field 2: 0x{0:X8}", response.DiscTypeSpecificField2).AppendLine();
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sb.AppendFormat("Blu-ray DDS Status Bits in hex follows:");
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sb.AppendLine(PrintHex.ByteArrayToHexArrayString(response.StatusBits, 80));
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sb.AppendFormat("Blu-ray DDS Disc Type Specific Data in hex follows:");
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sb.AppendLine(PrintHex.ByteArrayToHexArrayString(response.DiscTypeSpecificData, 80));
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#if DEBUG
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if(response.Reserved1 != 0)
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sb.AppendFormat("Reserved1 = 0x{0:X2}", response.Reserved1).AppendLine();
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if(response.Reserved2 != 0)
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sb.AppendFormat("Reserved2 = 0x{0:X2}", response.Reserved2).AppendLine();
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if(response.Reserved3 != 0)
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sb.AppendFormat("Reserved3 = 0x{0:X2}", response.Reserved3).AppendLine();
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if(response.Reserved4 != 0)
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sb.AppendFormat("Reserved4 = 0x{0:X16}", response.Reserved4).AppendLine();
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if(response.Reserved5 != 0)
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sb.AppendFormat("Reserved5 = 0x{0:X8}", response.Reserved5).AppendLine();
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if(response.Reserved6 != 0)
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sb.AppendFormat("Reserved6 = 0x{0:X8}", response.Reserved6).AppendLine();
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if(response.Reserved7 != 0)
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sb.AppendFormat("Reserved7 = 0x{0:X2}", response.Reserved7).AppendLine();
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if(response.Reserved8 != 0)
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sb.AppendFormat("Reserved8 = 0x{0:X2}", response.Reserved8).AppendLine();
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if(response.Reserved9 != 0)
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sb.AppendFormat("Reserved9 = 0x{0:X8}", response.Reserved9).AppendLine();
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#endif
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return sb.ToString();
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}
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public static string Prettify(byte[] DDSResponse)
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{
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return Prettify(Decode(DDSResponse));
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}
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#endregion Public methods
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#region Public structures
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public struct DiscDefinitionStructure
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{
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/// <summary>
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/// Bytes 0 to 1
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/// Data Length
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/// </summary>
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public UInt16 DataLength;
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/// <summary>
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/// Byte 2
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/// Reserved
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/// </summary>
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public byte Reserved1;
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/// <summary>
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/// Byte 3
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/// Reserved
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/// </summary>
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public byte Reserved2;
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/// <summary>
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/// Bytes 4 to 5
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/// "DS"
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/// </summary>
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public UInt16 Signature;
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/// <summary>
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/// Byte 6
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/// DDS format
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/// </summary>
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public byte Format;
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/// <summary>
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/// Byte 7
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/// Reserved
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/// </summary>
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public byte Reserved3;
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/// <summary>
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/// Bytes 8 to 11
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/// DDS update count
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/// </summary>
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public UInt32 UpdateCount;
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/// <summary>
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/// Bytes 12 to 19
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/// Reserved
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/// </summary>
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public UInt64 Reserved4;
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/// <summary>
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/// Bytes 20 to 23
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/// First PSN of Drive Area
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/// </summary>
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public UInt32 DriveAreaPSN;
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/// <summary>
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/// Bytes 24 to 27
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/// Reserved
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/// </summary>
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public UInt32 Reserved5;
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/// <summary>
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/// Bytes 28 to 31
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/// First PSN of Defect List
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/// </summary>
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public UInt32 DefectListPSN;
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/// <summary>
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/// Bytes 32 to 35
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/// Reserved
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/// </summary>
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public UInt32 Reserved6;
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/// <summary>
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/// Bytes 36 to 39
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/// PSN of LSN 0 of user data area
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/// </summary>
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public UInt32 PSNofLSNZero;
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/// <summary>
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/// Bytes 40 to 43
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/// Last LSN of user data area
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/// </summary>
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public UInt32 LastUserAreaLSN;
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/// <summary>
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/// Bytes 44 to 47
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/// ISA0 size
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/// </summary>
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public UInt32 ISA0;
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/// <summary>
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/// Bytes 48 to 51
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/// OSA size
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/// </summary>
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public UInt32 OSA;
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/// <summary>
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/// Bytes 52 to 55
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/// ISA1 size
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/// </summary>
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public UInt32 ISA1;
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/// <summary>
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/// Byte 56
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/// Spare Area full flags
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/// </summary>
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public byte SpareAreaFullFlags;
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/// <summary>
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/// Byte 57
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/// Reserved
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/// </summary>
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public byte Reserved7;
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/// <summary>
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/// Byte 58
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/// Disc type specific field
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/// </summary>
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public byte DiscTypeSpecificField1;
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/// <summary>
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/// Byte 59
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/// Reserved
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/// </summary>
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public byte Reserved8;
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/// <summary>
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/// Byte 60 to 63
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/// Disc type specific field
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/// </summary>
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public UInt32 DiscTypeSpecificField2;
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/// <summary>
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/// Byte 64 to 67
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/// Reserved
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/// </summary>
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public UInt32 Reserved9;
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/// <summary>
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/// Bytes 68 to 99
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/// Status bits of INFO1/2 and PAC1/2 on L0 and L1
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/// </summary>
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public byte[] StatusBits;
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/// <summary>
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/// Bytes 100 to end
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/// Disc type specific data
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/// </summary>
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public byte[] DiscTypeSpecificData;
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}
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#endregion Public structures
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}
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}
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