mirror of
https://github.com/aaru-dps/Aaru.git
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1260 lines
60 KiB
C#
1260 lines
60 KiB
C#
// /***************************************************************************
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// Aaru Data Preservation Suite
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// ----------------------------------------------------------------------------
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//
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// Filename : Read.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : Disk image plugins.
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Reads BlindWrite 4 disc images.
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//
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// --[ License ] --------------------------------------------------------------
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//
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// This library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; either version 2.1 of the
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// License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, see <http://www.gnu.org/licenses/>.
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//
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// ----------------------------------------------------------------------------
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// Copyright © 2011-2021 Natalia Portillo
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// ****************************************************************************/
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using System;
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using System.Collections.Generic;
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using System.Globalization;
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using System.IO;
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using System.Linq;
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using System.Text;
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using Aaru.CommonTypes;
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using Aaru.CommonTypes.Enums;
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using Aaru.CommonTypes.Exceptions;
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using Aaru.CommonTypes.Interfaces;
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using Aaru.CommonTypes.Structs;
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using Aaru.Console;
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using Aaru.Decoders.CD;
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using Aaru.Helpers;
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using Session = Aaru.CommonTypes.Structs.Session;
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namespace Aaru.DiscImages
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{
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public sealed partial class BlindWrite4
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{
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/// <inheritdoc />
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public bool Open(IFilter imageFilter)
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{
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Stream stream = imageFilter.GetDataForkStream();
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stream.Seek(0, SeekOrigin.Begin);
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if(stream.Length < 19)
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return false;
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byte[] tmpArray = new byte[19];
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byte[] tmpUShort = new byte[2];
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byte[] tmpUInt = new byte[4];
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byte[] tmpULong = new byte[8];
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stream.Read(tmpArray, 0, 19);
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if(!_bw4Signature.SequenceEqual(tmpArray))
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return false;
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_header = new Header
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{
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Signature = tmpArray
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};
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// Seems to always be 2
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stream.Read(tmpUInt, 0, 4);
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_header.Unknown1 = BitConverter.ToUInt32(tmpUInt, 0);
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// Seems to be a timetamp
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stream.Read(tmpULong, 0, 8);
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_header.Timestamp = BitConverter.ToUInt64(tmpULong, 0);
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stream.Read(tmpUInt, 0, 4);
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_header.VolumeIdLength = BitConverter.ToUInt32(tmpUInt, 0);
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tmpArray = new byte[_header.VolumeIdLength];
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stream.Read(tmpArray, 0, tmpArray.Length);
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_header.VolumeIdBytes = tmpArray;
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_header.VolumeIdentifier = StringHandlers.CToString(_header.VolumeIdBytes, Encoding.Default);
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stream.Read(tmpUInt, 0, 4);
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_header.SysIdLength = BitConverter.ToUInt32(tmpUInt, 0);
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tmpArray = new byte[_header.SysIdLength];
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stream.Read(tmpArray, 0, tmpArray.Length);
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_header.SysIdBytes = tmpArray;
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_header.SystemIdentifier = StringHandlers.CToString(_header.SysIdBytes, Encoding.Default);
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stream.Read(tmpUInt, 0, 4);
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_header.CommentsLength = BitConverter.ToUInt32(tmpUInt, 0);
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tmpArray = new byte[_header.CommentsLength];
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stream.Read(tmpArray, 0, tmpArray.Length);
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_header.CommentsBytes = tmpArray;
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_header.Comments = StringHandlers.CToString(_header.CommentsBytes, Encoding.Default);
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stream.Read(tmpUInt, 0, 4);
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_header.TrackDescriptors = BitConverter.ToUInt32(tmpUInt, 0);
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stream.Read(tmpUInt, 0, 4);
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_header.DataFileLength = BitConverter.ToUInt32(tmpUInt, 0);
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tmpArray = new byte[_header.DataFileLength];
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stream.Read(tmpArray, 0, tmpArray.Length);
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_header.DataFileBytes = tmpArray;
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_header.DataFile = StringHandlers.CToString(_header.DataFileBytes, Encoding.Default);
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stream.Read(tmpUInt, 0, 4);
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_header.SubchannelFileLength = BitConverter.ToUInt32(tmpUInt, 0);
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tmpArray = new byte[_header.SubchannelFileLength];
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stream.Read(tmpArray, 0, tmpArray.Length);
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_header.SubchannelFileBytes = tmpArray;
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_header.SubchannelFile = StringHandlers.CToString(_header.SubchannelFileBytes, Encoding.Default);
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stream.Read(tmpUInt, 0, 4);
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_header.Unknown2 = BitConverter.ToUInt32(tmpUInt, 0);
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_header.Unknown3 = (byte)stream.ReadByte();
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tmpArray = new byte[_header.Unknown3];
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stream.Read(tmpArray, 0, _header.Unknown3);
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_header.Unknown4 = tmpArray;
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "header.signature = {0}",
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StringHandlers.CToString(_header.Signature));
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "header.unknown1 = {0}", _header.Unknown1);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "header.timestamp = {0}", _header.Timestamp);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "header.volumeIdLength = {0}", _header.VolumeIdLength);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "header.volumeIdentifier = {0}", _header.VolumeIdentifier);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "header.sysIdLength = {0}", _header.SysIdLength);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "header.systemIdentifier = {0}", _header.SystemIdentifier);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "header.commentsLength = {0}", _header.CommentsLength);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "header.comments = {0}", _header.Comments);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "header.trackDescriptors = {0}", _header.TrackDescriptors);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "header.dataFileLength = {0}", _header.DataFileLength);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "header.dataFilter = {0}", _header.DataFilter);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "header.dataFile = {0}", _header.DataFile);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "header.subchannelFileLength = {0}",
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_header.SubchannelFileLength);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "header.subchannelFilter = {0}", _header.SubchannelFilter);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "header.subchannelFile = {0}", _header.SubchannelFile);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "header.unknown2 = {0}", _header.Unknown2);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "header.unknown3 = {0}", _header.Unknown3);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "header.unknown4.Length = {0}", _header.Unknown4.Length);
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_bwTracks = new List<TrackDescriptor>();
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for(int i = 0; i < _header.TrackDescriptors; i++)
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{
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "stream.Position = {0}", stream.Position);
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var track = new TrackDescriptor();
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stream.Read(tmpUInt, 0, 4);
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track.filenameLen = BitConverter.ToUInt32(tmpUInt, 0);
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tmpArray = new byte[track.filenameLen];
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stream.Read(tmpArray, 0, tmpArray.Length);
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track.filenameBytes = tmpArray;
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track.filename = StringHandlers.CToString(track.filenameBytes, Encoding.Default);
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stream.Read(tmpUInt, 0, 4);
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track.offset = BitConverter.ToUInt32(tmpUInt, 0);
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track.subchannel = (byte)stream.ReadByte();
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tmpArray = new byte[3];
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stream.Read(tmpArray, 0, 3);
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track.unknown1 = tmpArray;
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stream.Read(tmpUInt, 0, 4);
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track.unknown2 = BitConverter.ToUInt32(tmpUInt, 0);
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track.unknown3 = (byte)stream.ReadByte();
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track.session = (byte)stream.ReadByte();
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track.unknown4 = (byte)stream.ReadByte();
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track.adrCtl = (byte)stream.ReadByte();
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track.unknown5 = (byte)stream.ReadByte();
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track.trackMode = (TrackType)stream.ReadByte();
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track.unknown6 = (byte)stream.ReadByte();
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track.point = (byte)stream.ReadByte();
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stream.Read(tmpUInt, 0, 4);
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track.unknown7 = BitConverter.ToUInt32(tmpUInt, 0);
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stream.Read(tmpUInt, 0, 4);
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track.unknown8 = BitConverter.ToUInt32(tmpUInt, 0);
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stream.Read(tmpUInt, 0, 4);
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track.pregapOffsetAdjustment = BitConverter.ToUInt32(tmpUInt, 0);
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stream.Read(tmpUInt, 0, 4);
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track.unknown10 = BitConverter.ToUInt32(tmpUInt, 0);
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stream.Read(tmpUShort, 0, 2);
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track.unknown11 = BitConverter.ToUInt16(tmpUShort, 0);
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stream.Read(tmpUInt, 0, 4);
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track.lastSector = BitConverter.ToUInt32(tmpUInt, 0);
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track.unknown12 = (byte)stream.ReadByte();
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// This is off by one
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track.lastSector--;
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stream.Read(tmpUInt, 0, 4);
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track.pregap = BitConverter.ToInt32(tmpUInt, 0);
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stream.Read(tmpUInt, 0, 4);
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track.startSector = BitConverter.ToInt32(tmpUInt, 0);
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track.unknown13 = new uint[2];
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for(int j = 0; j < track.unknown13.Length; j++)
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{
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stream.Read(tmpUInt, 0, 4);
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track.unknown13[j] = BitConverter.ToUInt32(tmpUInt, 0);
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}
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stream.Read(tmpUInt, 0, 4);
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track.titleLen = BitConverter.ToUInt32(tmpUInt, 0);
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tmpArray = new byte[track.titleLen];
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stream.Read(tmpArray, 0, tmpArray.Length);
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track.titleBytes = tmpArray;
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track.title = StringHandlers.CToString(track.titleBytes, Encoding.Default);
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stream.Read(tmpUInt, 0, 4);
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track.performerLen = BitConverter.ToUInt32(tmpUInt, 0);
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tmpArray = new byte[track.performerLen];
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stream.Read(tmpArray, 0, tmpArray.Length);
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track.performerBytes = tmpArray;
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track.performer = StringHandlers.CToString(track.performerBytes, Encoding.Default);
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stream.Read(tmpUInt, 0, 4);
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track.unkStrLen1 = BitConverter.ToUInt32(tmpUInt, 0);
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tmpArray = new byte[track.unkStrLen1];
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stream.Read(tmpArray, 0, tmpArray.Length);
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track.unkStrBytes1 = tmpArray;
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track.unkString1 = StringHandlers.CToString(track.unkStrBytes1, Encoding.Default);
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stream.Read(tmpUInt, 0, 4);
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track.unkStrLen2 = BitConverter.ToUInt32(tmpUInt, 0);
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tmpArray = new byte[track.unkStrLen2];
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stream.Read(tmpArray, 0, tmpArray.Length);
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track.unkStrBytes2 = tmpArray;
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track.unkString2 = StringHandlers.CToString(track.unkStrBytes2, Encoding.Default);
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stream.Read(tmpUInt, 0, 4);
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track.unkStrLen3 = BitConverter.ToUInt32(tmpUInt, 0);
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tmpArray = new byte[track.unkStrLen3];
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stream.Read(tmpArray, 0, tmpArray.Length);
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track.unkStrBytes3 = tmpArray;
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track.unkString3 = StringHandlers.CToString(track.unkStrBytes3, Encoding.Default);
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stream.Read(tmpUInt, 0, 4);
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track.unkStrLen4 = BitConverter.ToUInt32(tmpUInt, 0);
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tmpArray = new byte[track.unkStrLen4];
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stream.Read(tmpArray, 0, tmpArray.Length);
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track.unkStrBytes4 = tmpArray;
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track.unkString4 = StringHandlers.CToString(track.unkStrBytes4, Encoding.Default);
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stream.Read(tmpUInt, 0, 4);
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track.discIdLen = BitConverter.ToUInt32(tmpUInt, 0);
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tmpArray = new byte[track.discIdLen];
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stream.Read(tmpArray, 0, tmpArray.Length);
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track.discIdBytes = tmpArray;
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track.discId = StringHandlers.CToString(track.discIdBytes, Encoding.Default);
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stream.Read(tmpUInt, 0, 4);
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track.unkStrLen5 = BitConverter.ToUInt32(tmpUInt, 0);
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tmpArray = new byte[track.unkStrLen5];
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stream.Read(tmpArray, 0, tmpArray.Length);
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track.unkStrBytes5 = tmpArray;
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track.unkString5 = StringHandlers.CToString(track.unkStrBytes5, Encoding.Default);
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stream.Read(tmpUInt, 0, 4);
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track.unkStrLen6 = BitConverter.ToUInt32(tmpUInt, 0);
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tmpArray = new byte[track.unkStrLen6];
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stream.Read(tmpArray, 0, tmpArray.Length);
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track.unkStrBytes6 = tmpArray;
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track.unkString6 = StringHandlers.CToString(track.unkStrBytes6, Encoding.Default);
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stream.Read(tmpUInt, 0, 4);
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track.unkStrLen7 = BitConverter.ToUInt32(tmpUInt, 0);
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tmpArray = new byte[track.unkStrLen7];
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stream.Read(tmpArray, 0, tmpArray.Length);
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track.unkStrBytes7 = tmpArray;
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track.unkString7 = StringHandlers.CToString(track.unkStrBytes7, Encoding.Default);
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stream.Read(tmpUInt, 0, 4);
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track.unkStrLen8 = BitConverter.ToUInt32(tmpUInt, 0);
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tmpArray = new byte[track.unkStrLen8];
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stream.Read(tmpArray, 0, tmpArray.Length);
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track.unkStrBytes8 = tmpArray;
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track.unkString8 = StringHandlers.CToString(track.unkStrBytes8, Encoding.Default);
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stream.Read(tmpUInt, 0, 4);
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track.unkStrLen9 = BitConverter.ToUInt32(tmpUInt, 0);
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tmpArray = new byte[track.unkStrLen9];
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stream.Read(tmpArray, 0, tmpArray.Length);
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track.unkStrBytes9 = tmpArray;
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track.unkString9 = StringHandlers.CToString(track.unkStrBytes9, Encoding.Default);
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stream.Read(tmpUInt, 0, 4);
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track.unkStrLen10 = BitConverter.ToUInt32(tmpUInt, 0);
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tmpArray = new byte[track.unkStrLen10];
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stream.Read(tmpArray, 0, tmpArray.Length);
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track.unkStrBytes10 = tmpArray;
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track.unkString10 = StringHandlers.CToString(track.unkStrBytes10, Encoding.Default);
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stream.Read(tmpUInt, 0, 4);
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track.unkStrLen11 = BitConverter.ToUInt32(tmpUInt, 0);
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tmpArray = new byte[track.unkStrLen11];
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stream.Read(tmpArray, 0, tmpArray.Length);
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track.unkStrBytes11 = tmpArray;
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track.unkString11 = StringHandlers.CToString(track.unkStrBytes11, Encoding.Default);
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stream.Read(tmpUInt, 0, 4);
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track.isrcLen = BitConverter.ToUInt32(tmpUInt, 0);
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tmpArray = new byte[track.isrcLen];
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stream.Read(tmpArray, 0, tmpArray.Length);
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track.isrcBytes = tmpArray;
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track.isrcUpc = StringHandlers.CToString(track.isrcBytes, Encoding.Default);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.filenameLen = {0}", track.filenameLen);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.filename = {0}", track.filename);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.offset = {0}", track.offset);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.subchannel = {0}", track.subchannel);
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for(int j = 0; j < track.unknown1.Length; j++)
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.unknown1[{1}] = 0x{0:X8}",
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track.unknown1[j], j);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.unknown2 = {0}", track.unknown2);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.unknown3 = {0}", track.unknown3);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.session = {0}", track.session);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.unknown4 = {0}", track.unknown4);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.adrCtl = {0}", track.adrCtl);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.unknown5 = {0}", track.unknown5);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.trackMode = {0}", track.trackMode);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.unknown6 = {0}", track.unknown6);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.point = {0}", track.point);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.unknown7 = {0}", track.unknown7);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.unknown8 = {0}", track.unknown8);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.unknown9 = {0}", track.pregapOffsetAdjustment);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.unknown10 = {0}", track.unknown10);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.unknown11 = {0}", track.unknown11);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.lastSector = {0}", track.lastSector);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.unknown12 = {0}", track.unknown12);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.pregap = {0}", track.pregap);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.startSector = {0}", track.startSector);
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for(int j = 0; j < track.unknown13.Length; j++)
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.unknown13[{1}] = 0x{0:X8}",
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track.unknown13[j], j);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.titleLen = {0}", track.titleLen);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.title = {0}", track.title);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.performerLen = {0}", track.performerLen);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.performer = {0}", track.performer);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.unkStrLen1 = {0}", track.unkStrLen1);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.unkString1 = {0}", track.unkString1);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.unkStrLen2 = {0}", track.unkStrLen2);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.unkString2 = {0}", track.unkString2);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.unkStrLen3 = {0}", track.unkStrLen3);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.unkString3 = {0}", track.unkString3);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.unkStrLen4 = {0}", track.unkStrLen4);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.unkString4 = {0}", track.unkString4);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.discIdLen = {0}", track.discIdLen);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.discId = {0}", track.discId);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.unkStrLen5 = {0}", track.unkStrLen5);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.unkString5 = {0}", track.unkString5);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.unkStrLen6 = {0}", track.unkStrLen6);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.unkString6 = {0}", track.unkString6);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.unkStrLen7 = {0}", track.unkStrLen7);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.unkString7 = {0}", track.unkString7);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.unkStrLen8 = {0}", track.unkStrLen8);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.unkString8 = {0}", track.unkString8);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.unkStrLen9 = {0}", track.unkStrLen9);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.unkString9 = {0}", track.unkString9);
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AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.unkStrLen10 = {0}", track.unkStrLen10);
|
|
AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.unkString10 = {0}", track.unkString10);
|
|
AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.unkStrLen11 = {0}", track.unkStrLen11);
|
|
AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.unkString11 = {0}", track.unkString11);
|
|
AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.isrcLen = {0}", track.isrcLen);
|
|
AaruConsole.DebugWriteLine("BlindWrite4 plugin", "track.isrcUpc = {0}", track.isrcUpc);
|
|
|
|
_bwTracks.Add(track);
|
|
}
|
|
|
|
var filtersList = new FiltersList();
|
|
|
|
if(!string.IsNullOrEmpty(_header.DataFile))
|
|
while(true)
|
|
{
|
|
_dataFilter = filtersList.GetFilter(Path.Combine(imageFilter.GetParentFolder(), _header.DataFile));
|
|
|
|
if(_dataFilter != null)
|
|
break;
|
|
|
|
_dataFilter = filtersList.GetFilter(Path.Combine(imageFilter.GetParentFolder(),
|
|
_header.DataFile.ToLower(CultureInfo.
|
|
CurrentCulture)));
|
|
|
|
if(_dataFilter != null)
|
|
break;
|
|
|
|
_dataFilter = filtersList.GetFilter(Path.Combine(imageFilter.GetParentFolder(),
|
|
_header.DataFile.ToUpper(CultureInfo.
|
|
CurrentCulture)));
|
|
|
|
if(_dataFilter != null)
|
|
break;
|
|
|
|
_dataFilter = filtersList.GetFilter(Path.Combine(imageFilter.GetParentFolder(), _header.DataFile.
|
|
Split(new[]
|
|
{
|
|
'\\'
|
|
}, StringSplitOptions.RemoveEmptyEntries).
|
|
Last()));
|
|
|
|
if(_dataFilter != null)
|
|
break;
|
|
|
|
_dataFilter = filtersList.GetFilter(Path.Combine(imageFilter.GetParentFolder(), _header.DataFile.
|
|
Split(new[]
|
|
{
|
|
'\\'
|
|
}, StringSplitOptions.RemoveEmptyEntries).
|
|
Last().ToLower(CultureInfo.CurrentCulture)));
|
|
|
|
if(_dataFilter != null)
|
|
break;
|
|
|
|
_dataFilter = filtersList.GetFilter(Path.Combine(imageFilter.GetParentFolder(), _header.DataFile.
|
|
Split(new[]
|
|
{
|
|
'\\'
|
|
}, StringSplitOptions.RemoveEmptyEntries).
|
|
Last().ToUpper(CultureInfo.CurrentCulture)));
|
|
|
|
if(_dataFilter != null)
|
|
break;
|
|
|
|
throw new ArgumentException($"Data file {_header.DataFile} not found");
|
|
}
|
|
else
|
|
throw new ArgumentException("Unable to find data file");
|
|
|
|
if(!string.IsNullOrEmpty(_header.SubchannelFile))
|
|
{
|
|
filtersList = new FiltersList();
|
|
|
|
_subFilter =
|
|
((((filtersList.GetFilter(Path.Combine(imageFilter.GetParentFolder(), _header.SubchannelFile)) ??
|
|
filtersList.GetFilter(Path.Combine(imageFilter.GetParentFolder(),
|
|
_header.SubchannelFile.
|
|
ToLower(CultureInfo.CurrentCulture)))) ??
|
|
filtersList.GetFilter(Path.Combine(imageFilter.GetParentFolder(),
|
|
_header.SubchannelFile.
|
|
ToUpper(CultureInfo.CurrentCulture)))) ??
|
|
filtersList.GetFilter(Path.Combine(imageFilter.GetParentFolder(), _header.SubchannelFile.
|
|
Split(new[]
|
|
{
|
|
'\\'
|
|
}, StringSplitOptions.RemoveEmptyEntries).Last()))) ??
|
|
filtersList.GetFilter(Path.Combine(imageFilter.GetParentFolder(), _header.SubchannelFile.
|
|
Split(new[]
|
|
{
|
|
'\\'
|
|
}, StringSplitOptions.RemoveEmptyEntries).Last().
|
|
ToLower(CultureInfo.CurrentCulture)))) ??
|
|
filtersList.GetFilter(Path.Combine(imageFilter.GetParentFolder(), _header.SubchannelFile.Split(new[]
|
|
{
|
|
'\\'
|
|
}, StringSplitOptions.RemoveEmptyEntries).Last().ToUpper(CultureInfo.CurrentCulture)));
|
|
}
|
|
|
|
Tracks = new List<Track>();
|
|
Partitions = new List<Partition>();
|
|
_offsetMap = new Dictionary<uint, ulong>();
|
|
_trackFlags = new Dictionary<uint, byte>();
|
|
ushort maxSession = 0;
|
|
|
|
_imageInfo.ReadableSectorTags.Add(SectorTagType.CdTrackFlags);
|
|
|
|
foreach(TrackDescriptor bwTrack in _bwTracks)
|
|
if(bwTrack.point < 0xA0)
|
|
{
|
|
var track = new Track
|
|
{
|
|
Description = bwTrack.title,
|
|
EndSector = bwTrack.lastSector
|
|
};
|
|
|
|
if(!string.IsNullOrEmpty(bwTrack.filename))
|
|
do
|
|
{
|
|
track.Filter =
|
|
filtersList.GetFilter(Path.Combine(imageFilter.GetParentFolder(), bwTrack.filename));
|
|
|
|
if(track.Filter != null)
|
|
break;
|
|
|
|
track.Filter =
|
|
filtersList.GetFilter(Path.Combine(imageFilter.GetParentFolder(),
|
|
bwTrack.filename.ToLower(CultureInfo.
|
|
CurrentCulture)));
|
|
|
|
if(track.Filter != null)
|
|
break;
|
|
|
|
track.Filter =
|
|
filtersList.GetFilter(Path.Combine(imageFilter.GetParentFolder(),
|
|
bwTrack.filename.ToUpper(CultureInfo.
|
|
CurrentCulture)));
|
|
|
|
if(track.Filter != null)
|
|
break;
|
|
|
|
track.Filter = filtersList.GetFilter(Path.Combine(imageFilter.GetParentFolder(),
|
|
bwTrack.filename.Split(new[]
|
|
{
|
|
'\\'
|
|
},
|
|
StringSplitOptions.
|
|
RemoveEmptyEntries).
|
|
Last()));
|
|
|
|
if(track.Filter != null)
|
|
break;
|
|
|
|
track.Filter = filtersList.GetFilter(Path.Combine(imageFilter.GetParentFolder(),
|
|
bwTrack.filename.Split(new[]
|
|
{
|
|
'\\'
|
|
},
|
|
StringSplitOptions.
|
|
RemoveEmptyEntries).
|
|
Last().
|
|
ToLower(CultureInfo.CurrentCulture)));
|
|
|
|
if(track.Filter != null)
|
|
break;
|
|
|
|
track.Filter = filtersList.GetFilter(Path.Combine(imageFilter.GetParentFolder(),
|
|
bwTrack.filename.Split(new[]
|
|
{
|
|
'\\'
|
|
},
|
|
StringSplitOptions.
|
|
RemoveEmptyEntries).
|
|
Last().
|
|
ToUpper(CultureInfo.CurrentCulture)));
|
|
|
|
track.Filter = _dataFilter;
|
|
} while(true);
|
|
else
|
|
track.Filter = _dataFilter;
|
|
|
|
track.File = _dataFilter.GetFilename();
|
|
|
|
track.FileOffset = bwTrack.offset + ((150 - bwTrack.pregapOffsetAdjustment) * 2352);
|
|
|
|
track.SubchannelOffset =
|
|
((bwTrack.offset / 2352) + (150 - bwTrack.pregapOffsetAdjustment)) * 96;
|
|
|
|
if(bwTrack.pregap > 0)
|
|
{
|
|
track.Pregap = (ulong)(bwTrack.startSector - bwTrack.pregap);
|
|
track.StartSector = (ulong)bwTrack.pregap;
|
|
|
|
track.FileOffset -= track.Pregap * 2352;
|
|
track.SubchannelOffset -= track.Pregap * 96;
|
|
}
|
|
else
|
|
{
|
|
track.Pregap = (ulong)(bwTrack.startSector - bwTrack.pregap);
|
|
|
|
if(bwTrack.pregap < 0)
|
|
track.StartSector = 0;
|
|
else
|
|
track.StartSector = (ulong)bwTrack.pregap;
|
|
}
|
|
|
|
track.FileType = "BINARY";
|
|
track.RawBytesPerSector = 2352;
|
|
track.Sequence = bwTrack.point;
|
|
track.Session = bwTrack.session;
|
|
|
|
if(track.Session > maxSession)
|
|
maxSession = track.Session;
|
|
|
|
track.SubchannelFilter = _subFilter;
|
|
track.SubchannelFile = _subFilter?.GetFilename();
|
|
|
|
if(_subFilter != null)
|
|
{
|
|
track.SubchannelType = TrackSubchannelType.Packed;
|
|
|
|
if(!_imageInfo.ReadableSectorTags.Contains(SectorTagType.CdSectorSubchannel))
|
|
_imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorSubchannel);
|
|
}
|
|
else
|
|
track.SubchannelType = TrackSubchannelType.None;
|
|
|
|
switch(bwTrack.trackMode)
|
|
{
|
|
case TrackType.Audio:
|
|
track.Type = CommonTypes.Enums.TrackType.Audio;
|
|
_imageInfo.SectorSize = 2352;
|
|
track.BytesPerSector = 2352;
|
|
|
|
break;
|
|
case TrackType.Mode1:
|
|
track.Type = CommonTypes.Enums.TrackType.CdMode1;
|
|
|
|
if(!_imageInfo.ReadableSectorTags.Contains(SectorTagType.CdSectorSync))
|
|
_imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorSync);
|
|
|
|
if(!_imageInfo.ReadableSectorTags.Contains(SectorTagType.CdSectorHeader))
|
|
_imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorHeader);
|
|
|
|
if(!_imageInfo.ReadableSectorTags.Contains(SectorTagType.CdSectorSubHeader))
|
|
_imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorSubHeader);
|
|
|
|
if(!_imageInfo.ReadableSectorTags.Contains(SectorTagType.CdSectorEcc))
|
|
_imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorEcc);
|
|
|
|
if(!_imageInfo.ReadableSectorTags.Contains(SectorTagType.CdSectorEccP))
|
|
_imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorEccP);
|
|
|
|
if(!_imageInfo.ReadableSectorTags.Contains(SectorTagType.CdSectorEccQ))
|
|
_imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorEccQ);
|
|
|
|
if(!_imageInfo.ReadableSectorTags.Contains(SectorTagType.CdSectorEdc))
|
|
_imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorEdc);
|
|
|
|
if(_imageInfo.SectorSize < 2048)
|
|
_imageInfo.SectorSize = 2048;
|
|
|
|
track.BytesPerSector = 2048;
|
|
|
|
break;
|
|
case TrackType.Mode2:
|
|
track.Type = CommonTypes.Enums.TrackType.CdMode2Formless;
|
|
|
|
if(!_imageInfo.ReadableSectorTags.Contains(SectorTagType.CdSectorSync))
|
|
_imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorSync);
|
|
|
|
if(!_imageInfo.ReadableSectorTags.Contains(SectorTagType.CdSectorHeader))
|
|
_imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorHeader);
|
|
|
|
if(_imageInfo.SectorSize < 2336)
|
|
_imageInfo.SectorSize = 2336;
|
|
|
|
track.BytesPerSector = 2336;
|
|
|
|
break;
|
|
default:
|
|
track.Type = CommonTypes.Enums.TrackType.Data;
|
|
track.RawBytesPerSector = 2048;
|
|
_imageInfo.SectorSize = 2048;
|
|
track.BytesPerSector = 2048;
|
|
|
|
break;
|
|
}
|
|
|
|
if(bwTrack.pregap != 0)
|
|
track.Indexes.Add(0, bwTrack.pregap);
|
|
|
|
track.Indexes.Add(1, bwTrack.startSector);
|
|
|
|
var partition = new Partition
|
|
{
|
|
Description = track.Description,
|
|
Size = (track.EndSector - track.StartSector + 1) * 2352,
|
|
Length = track.EndSector - track.StartSector + 1,
|
|
Sequence = track.Sequence,
|
|
Start = track.StartSector + track.Pregap
|
|
};
|
|
|
|
partition.Offset = partition.Start * 2352;
|
|
partition.Type = track.Type.ToString();
|
|
|
|
Partitions.Add(partition);
|
|
Tracks.Add(track);
|
|
|
|
if(bwTrack.pregap > 0)
|
|
_offsetMap[track.Sequence] = (ulong)bwTrack.pregap;
|
|
else
|
|
_offsetMap[track.Sequence] = 0;
|
|
|
|
if(!_offsetMap.ContainsKey(track.Sequence))
|
|
_offsetMap.Add(track.Sequence, track.StartSector);
|
|
|
|
if(!_trackFlags.ContainsKey(track.Sequence))
|
|
_trackFlags.Add(track.Sequence, (byte)(bwTrack.adrCtl & 0x0F));
|
|
|
|
if(bwTrack.lastSector > _imageInfo.Sectors)
|
|
_imageInfo.Sectors = bwTrack.lastSector + 1;
|
|
}
|
|
else
|
|
{
|
|
_imageInfo.MediaBarcode = bwTrack.isrcUpc;
|
|
_imageInfo.MediaSerialNumber = bwTrack.discId;
|
|
_imageInfo.MediaTitle = bwTrack.title;
|
|
|
|
if(!string.IsNullOrEmpty(bwTrack.isrcUpc) &&
|
|
!_imageInfo.ReadableMediaTags.Contains(MediaTagType.CD_MCN))
|
|
_imageInfo.ReadableMediaTags.Add(MediaTagType.CD_MCN);
|
|
}
|
|
|
|
Sessions = new List<Session>();
|
|
|
|
for(ushort i = 1; i <= maxSession; i++)
|
|
{
|
|
var session = new Session
|
|
{
|
|
Sequence = i,
|
|
StartTrack = uint.MaxValue,
|
|
StartSector = uint.MaxValue
|
|
};
|
|
|
|
foreach(Track track in Tracks.Where(track => track.Session == i))
|
|
{
|
|
if(track.Sequence < session.StartTrack)
|
|
session.StartTrack = track.Sequence;
|
|
|
|
if(track.Sequence > session.EndTrack)
|
|
session.StartTrack = track.Sequence;
|
|
|
|
if(track.StartSector < session.StartSector)
|
|
session.StartSector = track.StartSector;
|
|
|
|
if(track.EndSector > session.EndSector)
|
|
session.EndSector = track.EndSector;
|
|
}
|
|
|
|
Sessions.Add(session);
|
|
}
|
|
|
|
// As long as subchannel is written for any track, it is present for all tracks
|
|
if(Tracks.Any(t => t.SubchannelType == TrackSubchannelType.Packed))
|
|
foreach(Track track in Tracks)
|
|
track.SubchannelType = TrackSubchannelType.Packed;
|
|
|
|
_imageInfo.MediaType = MediaType.CD;
|
|
|
|
_imageInfo.Application = "BlindWrite";
|
|
_imageInfo.ApplicationVersion = "4";
|
|
_imageInfo.Version = "4";
|
|
|
|
_imageInfo.ImageSize = (ulong)_dataFilter.GetDataForkLength();
|
|
_imageInfo.CreationTime = _dataFilter.GetCreationTime();
|
|
_imageInfo.LastModificationTime = _dataFilter.GetLastWriteTime();
|
|
_imageInfo.XmlMediaType = XmlMediaType.OpticalDisc;
|
|
|
|
bool data = false;
|
|
bool mode2 = false;
|
|
bool firstAudio = false;
|
|
bool firstData = false;
|
|
bool audio = false;
|
|
|
|
foreach(Track bwTrack in Tracks)
|
|
{
|
|
// First track is audio
|
|
firstAudio |= bwTrack.Sequence == 1 && bwTrack.Type == CommonTypes.Enums.TrackType.Audio;
|
|
|
|
// First track is data
|
|
firstData |= bwTrack.Sequence == 1 && bwTrack.Type != CommonTypes.Enums.TrackType.Audio;
|
|
|
|
// Any non first track is data
|
|
data |= bwTrack.Sequence != 1 && bwTrack.Type != CommonTypes.Enums.TrackType.Audio;
|
|
|
|
// Any non first track is audio
|
|
audio |= bwTrack.Sequence != 1 && bwTrack.Type == CommonTypes.Enums.TrackType.Audio;
|
|
|
|
switch(bwTrack.Type)
|
|
{
|
|
case CommonTypes.Enums.TrackType.CdMode2Formless:
|
|
mode2 = true;
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
if(!data &&
|
|
!firstData)
|
|
_imageInfo.MediaType = MediaType.CDDA;
|
|
else if(firstAudio &&
|
|
data &&
|
|
Sessions.Count > 1 &&
|
|
mode2)
|
|
_imageInfo.MediaType = MediaType.CDPLUS;
|
|
else if((firstData && audio) || mode2)
|
|
_imageInfo.MediaType = MediaType.CDROMXA;
|
|
else if(!audio)
|
|
_imageInfo.MediaType = MediaType.CDROM;
|
|
else
|
|
_imageInfo.MediaType = MediaType.CD;
|
|
|
|
_imageInfo.Comments = _header.Comments;
|
|
|
|
AaruConsole.VerboseWriteLine("BlindWrite image describes a disc of type {0}", _imageInfo.MediaType);
|
|
|
|
if(!string.IsNullOrEmpty(_imageInfo.Comments))
|
|
AaruConsole.VerboseWriteLine("BlindWrite comments: {0}", _imageInfo.Comments);
|
|
|
|
return true;
|
|
}
|
|
|
|
/// <inheritdoc />
|
|
public byte[] ReadDiskTag(MediaTagType tag)
|
|
{
|
|
switch(tag)
|
|
{
|
|
case MediaTagType.CD_MCN:
|
|
{
|
|
if(_imageInfo.MediaSerialNumber != null)
|
|
return Encoding.ASCII.GetBytes(_imageInfo.MediaSerialNumber);
|
|
|
|
throw new FeatureNotPresentImageException("Image does not contain MCN information.");
|
|
}
|
|
default:
|
|
throw new FeatureSupportedButNotImplementedImageException("Feature not supported by image format");
|
|
}
|
|
}
|
|
|
|
/// <inheritdoc />
|
|
public byte[] ReadSector(ulong sectorAddress) => ReadSectors(sectorAddress, 1);
|
|
|
|
/// <inheritdoc />
|
|
public byte[] ReadSectorTag(ulong sectorAddress, SectorTagType tag) => ReadSectorsTag(sectorAddress, 1, tag);
|
|
|
|
/// <inheritdoc />
|
|
public byte[] ReadSector(ulong sectorAddress, uint track) => ReadSectors(sectorAddress, 1, track);
|
|
|
|
/// <inheritdoc />
|
|
public byte[] ReadSectorTag(ulong sectorAddress, uint track, SectorTagType tag) =>
|
|
ReadSectorsTag(sectorAddress, 1, track, tag);
|
|
|
|
/// <inheritdoc />
|
|
public byte[] ReadSectors(ulong sectorAddress, uint length)
|
|
{
|
|
foreach(KeyValuePair<uint, ulong> kvp in from kvp in _offsetMap where sectorAddress >= kvp.Value
|
|
from track in Tracks where track.Sequence == kvp.Key
|
|
where sectorAddress - kvp.Value <
|
|
track.EndSector - track.StartSector + 1 select kvp)
|
|
return ReadSectors(sectorAddress - kvp.Value, length, kvp.Key);
|
|
|
|
throw new ArgumentOutOfRangeException(nameof(sectorAddress), "Sector address not found");
|
|
}
|
|
|
|
/// <inheritdoc />
|
|
public byte[] ReadSectorsTag(ulong sectorAddress, uint length, SectorTagType tag)
|
|
{
|
|
foreach(KeyValuePair<uint, ulong> kvp in from kvp in _offsetMap where sectorAddress >= kvp.Value
|
|
from track in Tracks where track.Sequence == kvp.Key
|
|
where sectorAddress - kvp.Value <
|
|
track.EndSector - track.StartSector + 1 select kvp)
|
|
return ReadSectorsTag(sectorAddress - kvp.Value, length, kvp.Key, tag);
|
|
|
|
throw new ArgumentOutOfRangeException(nameof(sectorAddress), "Sector address not found");
|
|
}
|
|
|
|
/// <inheritdoc />
|
|
public byte[] ReadSectors(ulong sectorAddress, uint length, uint track)
|
|
{
|
|
var aaruTrack = new Track
|
|
{
|
|
Sequence = 0
|
|
};
|
|
|
|
foreach(Track bwTrack in Tracks.Where(bwTrack => bwTrack.Sequence == track))
|
|
{
|
|
aaruTrack = bwTrack;
|
|
|
|
break;
|
|
}
|
|
|
|
if(aaruTrack is null)
|
|
throw new ArgumentOutOfRangeException(nameof(track), "Track does not exist in disc image");
|
|
|
|
if(length + sectorAddress > aaruTrack.EndSector - aaruTrack.StartSector + 1)
|
|
throw new ArgumentOutOfRangeException(nameof(length),
|
|
$"Requested more sectors ({length + sectorAddress}) than present in track ({aaruTrack.EndSector - aaruTrack.StartSector + 1}), won't cross tracks");
|
|
|
|
uint sectorOffset;
|
|
uint sectorSize;
|
|
uint sectorSkip;
|
|
bool mode2 = false;
|
|
|
|
switch(aaruTrack.Type)
|
|
{
|
|
case CommonTypes.Enums.TrackType.CdMode1:
|
|
{
|
|
sectorOffset = 16;
|
|
sectorSize = 2048;
|
|
sectorSkip = 288;
|
|
|
|
break;
|
|
}
|
|
case CommonTypes.Enums.TrackType.CdMode2Formless:
|
|
{
|
|
mode2 = true;
|
|
sectorOffset = 0;
|
|
sectorSize = 2352;
|
|
sectorSkip = 0;
|
|
|
|
break;
|
|
}
|
|
case CommonTypes.Enums.TrackType.Audio:
|
|
{
|
|
sectorOffset = 0;
|
|
sectorSize = 2352;
|
|
sectorSkip = 0;
|
|
|
|
break;
|
|
}
|
|
case CommonTypes.Enums.TrackType.Data:
|
|
{
|
|
sectorOffset = 0;
|
|
sectorSize = 2048;
|
|
sectorSkip = 0;
|
|
|
|
break;
|
|
}
|
|
default: throw new FeatureSupportedButNotImplementedImageException("Unsupported track type");
|
|
}
|
|
|
|
byte[] buffer = new byte[sectorSize * length];
|
|
|
|
_imageStream = aaruTrack.Filter.GetDataForkStream();
|
|
var br = new BinaryReader(_imageStream);
|
|
|
|
br.BaseStream.
|
|
Seek((long)aaruTrack.FileOffset + (long)(sectorAddress * (sectorOffset + sectorSize + sectorSkip)),
|
|
SeekOrigin.Begin);
|
|
|
|
if(mode2)
|
|
{
|
|
var mode2Ms = new MemoryStream((int)(sectorSize * length));
|
|
|
|
buffer = br.ReadBytes((int)(sectorSize * length));
|
|
|
|
for(int i = 0; i < length; i++)
|
|
{
|
|
byte[] sector = new byte[sectorSize];
|
|
Array.Copy(buffer, sectorSize * i, sector, 0, sectorSize);
|
|
sector = Sector.GetUserDataFromMode2(sector);
|
|
mode2Ms.Write(sector, 0, sector.Length);
|
|
}
|
|
|
|
buffer = mode2Ms.ToArray();
|
|
}
|
|
else if(sectorOffset == 0 &&
|
|
sectorSkip == 0)
|
|
buffer = br.ReadBytes((int)(sectorSize * length));
|
|
else
|
|
for(int i = 0; i < length; i++)
|
|
{
|
|
br.BaseStream.Seek(sectorOffset, SeekOrigin.Current);
|
|
byte[] sector = br.ReadBytes((int)sectorSize);
|
|
br.BaseStream.Seek(sectorSkip, SeekOrigin.Current);
|
|
|
|
Array.Copy(sector, 0, buffer, i * sectorSize, sectorSize);
|
|
}
|
|
|
|
return buffer;
|
|
}
|
|
|
|
/// <inheritdoc />
|
|
public byte[] ReadSectorsTag(ulong sectorAddress, uint length, uint track, SectorTagType tag)
|
|
{
|
|
var aaruTrack = new Track
|
|
{
|
|
Sequence = 0
|
|
};
|
|
|
|
foreach(Track bwTrack in Tracks.Where(bwTrack => bwTrack.Sequence == track))
|
|
{
|
|
aaruTrack = bwTrack;
|
|
|
|
break;
|
|
}
|
|
|
|
if(aaruTrack is null)
|
|
throw new ArgumentOutOfRangeException(nameof(track), "Track does not exist in disc image");
|
|
|
|
if(length + sectorAddress > aaruTrack.EndSector - aaruTrack.StartSector + 1)
|
|
throw new ArgumentOutOfRangeException(nameof(length),
|
|
$"Requested more sectors ({length + sectorAddress}) than present in track ({aaruTrack.EndSector - aaruTrack.StartSector + 1}), won't cross tracks");
|
|
|
|
uint sectorOffset;
|
|
uint sectorSize;
|
|
uint sectorSkip;
|
|
|
|
if(aaruTrack.Type == CommonTypes.Enums.TrackType.Data)
|
|
throw new ArgumentException("Unsupported tag requested", nameof(tag));
|
|
|
|
switch(tag)
|
|
{
|
|
case SectorTagType.CdSectorEcc:
|
|
case SectorTagType.CdSectorEccP:
|
|
case SectorTagType.CdSectorEccQ:
|
|
case SectorTagType.CdSectorEdc:
|
|
case SectorTagType.CdSectorHeader:
|
|
case SectorTagType.CdSectorSubchannel:
|
|
case SectorTagType.CdSectorSubHeader:
|
|
case SectorTagType.CdSectorSync: break;
|
|
case SectorTagType.CdTrackFlags:
|
|
if(_trackFlags.TryGetValue((uint)sectorAddress, out byte flag))
|
|
return new[]
|
|
{
|
|
flag
|
|
};
|
|
|
|
throw new ArgumentException("Unsupported tag requested", nameof(tag));
|
|
default: throw new ArgumentException("Unsupported tag requested", nameof(tag));
|
|
}
|
|
|
|
switch(aaruTrack.Type)
|
|
{
|
|
case CommonTypes.Enums.TrackType.CdMode1:
|
|
switch(tag)
|
|
{
|
|
case SectorTagType.CdSectorSync:
|
|
{
|
|
sectorOffset = 0;
|
|
sectorSize = 12;
|
|
sectorSkip = 2340;
|
|
|
|
break;
|
|
}
|
|
case SectorTagType.CdSectorHeader:
|
|
{
|
|
sectorOffset = 12;
|
|
sectorSize = 4;
|
|
sectorSkip = 2336;
|
|
|
|
break;
|
|
}
|
|
case SectorTagType.CdSectorSubHeader:
|
|
throw new ArgumentException("Unsupported tag requested for this track", nameof(tag));
|
|
case SectorTagType.CdSectorEcc:
|
|
{
|
|
sectorOffset = 2076;
|
|
sectorSize = 276;
|
|
sectorSkip = 0;
|
|
|
|
break;
|
|
}
|
|
case SectorTagType.CdSectorEccP:
|
|
{
|
|
sectorOffset = 2076;
|
|
sectorSize = 172;
|
|
sectorSkip = 104;
|
|
|
|
break;
|
|
}
|
|
case SectorTagType.CdSectorEccQ:
|
|
{
|
|
sectorOffset = 2248;
|
|
sectorSize = 104;
|
|
sectorSkip = 0;
|
|
|
|
break;
|
|
}
|
|
case SectorTagType.CdSectorEdc:
|
|
{
|
|
sectorOffset = 2064;
|
|
sectorSize = 4;
|
|
sectorSkip = 284;
|
|
|
|
break;
|
|
}
|
|
case SectorTagType.CdSectorSubchannel:
|
|
{
|
|
sectorOffset = 0;
|
|
sectorSize = 96;
|
|
sectorSkip = 0;
|
|
|
|
break;
|
|
}
|
|
default: throw new ArgumentException("Unsupported tag requested", nameof(tag));
|
|
}
|
|
|
|
break;
|
|
case CommonTypes.Enums.TrackType.CdMode2Formless:
|
|
{
|
|
switch(tag)
|
|
{
|
|
case SectorTagType.CdSectorSync:
|
|
case SectorTagType.CdSectorHeader:
|
|
case SectorTagType.CdSectorEcc:
|
|
case SectorTagType.CdSectorEccP:
|
|
case SectorTagType.CdSectorEccQ:
|
|
throw new ArgumentException("Unsupported tag requested for this track", nameof(tag));
|
|
case SectorTagType.CdSectorSubHeader:
|
|
{
|
|
sectorOffset = 0;
|
|
sectorSize = 8;
|
|
sectorSkip = 2328;
|
|
|
|
break;
|
|
}
|
|
case SectorTagType.CdSectorEdc:
|
|
{
|
|
sectorOffset = 2332;
|
|
sectorSize = 4;
|
|
sectorSkip = 0;
|
|
|
|
break;
|
|
}
|
|
case SectorTagType.CdSectorSubchannel:
|
|
{
|
|
sectorOffset = 0;
|
|
sectorSize = 96;
|
|
sectorSkip = 0;
|
|
|
|
break;
|
|
}
|
|
default: throw new ArgumentException("Unsupported tag requested", nameof(tag));
|
|
}
|
|
|
|
break;
|
|
}
|
|
case CommonTypes.Enums.TrackType.Audio:
|
|
{
|
|
switch(tag)
|
|
{
|
|
case SectorTagType.CdSectorSubchannel:
|
|
{
|
|
sectorOffset = 0;
|
|
sectorSize = 96;
|
|
sectorSkip = 0;
|
|
|
|
break;
|
|
}
|
|
default: throw new ArgumentException("Unsupported tag requested", nameof(tag));
|
|
}
|
|
|
|
break;
|
|
}
|
|
default: throw new FeatureSupportedButNotImplementedImageException("Unsupported track type");
|
|
}
|
|
|
|
byte[] buffer = new byte[sectorSize * length];
|
|
|
|
_imageStream = tag == SectorTagType.CdSectorSubchannel ? aaruTrack.SubchannelFilter.GetDataForkStream()
|
|
: aaruTrack.Filter.GetDataForkStream();
|
|
|
|
var br = new BinaryReader(_imageStream);
|
|
|
|
br.BaseStream.
|
|
Seek((long)(tag == SectorTagType.CdSectorSubchannel ? aaruTrack.SubchannelOffset : aaruTrack.FileOffset) + (long)(sectorAddress * (sectorOffset + sectorSize + sectorSkip)),
|
|
SeekOrigin.Begin);
|
|
|
|
if(sectorOffset == 0 &&
|
|
sectorSkip == 0)
|
|
buffer = br.ReadBytes((int)(sectorSize * length));
|
|
else
|
|
for(int i = 0; i < length; i++)
|
|
{
|
|
br.BaseStream.Seek(sectorOffset, SeekOrigin.Current);
|
|
byte[] sector = br.ReadBytes((int)sectorSize);
|
|
br.BaseStream.Seek(sectorSkip, SeekOrigin.Current);
|
|
Array.Copy(sector, 0, buffer, i * sectorSize, sectorSize);
|
|
}
|
|
|
|
return tag == SectorTagType.CdSectorSubchannel ? Subchannel.Interleave(buffer) : buffer;
|
|
}
|
|
|
|
/// <inheritdoc />
|
|
public byte[] ReadSectorLong(ulong sectorAddress) => ReadSectorsLong(sectorAddress, 1);
|
|
|
|
/// <inheritdoc />
|
|
public byte[] ReadSectorLong(ulong sectorAddress, uint track) => ReadSectorsLong(sectorAddress, 1, track);
|
|
|
|
/// <inheritdoc />
|
|
public byte[] ReadSectorsLong(ulong sectorAddress, uint length)
|
|
{
|
|
foreach(KeyValuePair<uint, ulong> kvp in from kvp in _offsetMap where sectorAddress >= kvp.Value
|
|
from track in Tracks where track.Sequence == kvp.Key
|
|
where sectorAddress - kvp.Value <
|
|
track.EndSector - track.StartSector + 1 select kvp)
|
|
return ReadSectorsLong(sectorAddress - kvp.Value, length, kvp.Key);
|
|
|
|
throw new ArgumentOutOfRangeException(nameof(sectorAddress), "Sector address not found");
|
|
}
|
|
|
|
/// <inheritdoc />
|
|
public byte[] ReadSectorsLong(ulong sectorAddress, uint length, uint track)
|
|
{
|
|
var aaruTrack = new Track
|
|
{
|
|
Sequence = 0
|
|
};
|
|
|
|
foreach(Track bwTrack in Tracks.Where(bwTrack => bwTrack.Sequence == track))
|
|
{
|
|
aaruTrack = bwTrack;
|
|
|
|
break;
|
|
}
|
|
|
|
if(aaruTrack is null)
|
|
throw new ArgumentOutOfRangeException(nameof(track), "Track does not exist in disc image");
|
|
|
|
if(length + sectorAddress > aaruTrack.EndSector - aaruTrack.StartSector + 1)
|
|
throw new ArgumentOutOfRangeException(nameof(length),
|
|
$"Requested more sectors ({length + sectorAddress}) than present in track ({aaruTrack.EndSector - aaruTrack.StartSector + 1}), won't cross tracks");
|
|
|
|
uint sectorOffset;
|
|
uint sectorSize;
|
|
uint sectorSkip;
|
|
|
|
switch(aaruTrack.Type)
|
|
{
|
|
case CommonTypes.Enums.TrackType.Audio:
|
|
case CommonTypes.Enums.TrackType.CdMode1:
|
|
case CommonTypes.Enums.TrackType.CdMode2Formless:
|
|
case CommonTypes.Enums.TrackType.Data:
|
|
{
|
|
sectorOffset = 0;
|
|
sectorSize = (uint)aaruTrack.RawBytesPerSector;
|
|
sectorSkip = 0;
|
|
|
|
break;
|
|
}
|
|
default: throw new FeatureSupportedButNotImplementedImageException("Unsupported track type");
|
|
}
|
|
|
|
_imageStream = aaruTrack.Filter.GetDataForkStream();
|
|
var br = new BinaryReader(_imageStream);
|
|
|
|
br.BaseStream.
|
|
Seek((long)aaruTrack.FileOffset + (long)(sectorAddress * (sectorOffset + sectorSize + sectorSkip)),
|
|
SeekOrigin.Begin);
|
|
|
|
byte[] buffer = br.ReadBytes((int)(sectorSize * length));
|
|
|
|
return buffer;
|
|
}
|
|
|
|
/// <inheritdoc />
|
|
public List<Track> GetSessionTracks(Session session)
|
|
{
|
|
if(Sessions.Contains(session))
|
|
return GetSessionTracks(session.Sequence);
|
|
|
|
throw new ImageNotSupportedException("Session does not exist in disc image");
|
|
}
|
|
|
|
/// <inheritdoc />
|
|
public List<Track> GetSessionTracks(ushort session) =>
|
|
Tracks.Where(track => track.Session == session).ToList();
|
|
}
|
|
} |