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1236 lines
64 KiB
C#
1236 lines
64 KiB
C#
// /***************************************************************************
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// The Disc Image Chef
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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 CloneCD 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 © 2011-2018 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.IO;
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using System.Linq;
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using System.Text.RegularExpressions;
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using DiscImageChef.Checksums;
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using DiscImageChef.CommonTypes;
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using DiscImageChef.CommonTypes.Enums;
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using DiscImageChef.CommonTypes.Exceptions;
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using DiscImageChef.CommonTypes.Interfaces;
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using DiscImageChef.CommonTypes.Structs;
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using DiscImageChef.Console;
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using DiscImageChef.Decoders.CD;
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using Session = DiscImageChef.CommonTypes.Structs.Session;
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namespace DiscImageChef.DiscImages
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{
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public partial class CloneCd
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{
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public bool Open(IFilter imageFilter)
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{
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if(imageFilter == null) return false;
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ccdFilter = imageFilter;
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try
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{
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imageFilter.GetDataForkStream().Seek(0, SeekOrigin.Begin);
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cueStream = new StreamReader(imageFilter.GetDataForkStream());
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int lineNumber = 0;
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Regex ccdIdRegex = new Regex(CCD_IDENTIFIER);
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Regex discIdRegex = new Regex(DISC_IDENTIFIER);
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Regex sessIdRegex = new Regex(SESSION_IDENTIFIER);
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Regex entryIdRegex = new Regex(ENTRY_IDENTIFIER);
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Regex trackIdRegex = new Regex(TRACK_IDENTIFIER);
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Regex cdtIdRegex = new Regex(CDTEXT_IDENTIFIER);
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Regex ccdVerRegex = new Regex(CCD_VERSION);
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Regex discEntRegex = new Regex(DISC_ENTRIES);
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Regex discSessRegex = new Regex(DISC_SESSIONS);
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Regex discScrRegex = new Regex(DISC_SCRAMBLED);
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Regex cdtLenRegex = new Regex(CDTEXT_LENGTH);
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Regex discCatRegex = new Regex(DISC_CATALOG);
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Regex sessPregRegex = new Regex(SESSION_PREGAP);
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Regex sessSubcRegex = new Regex(SESSION_SUBCHANNEL);
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Regex entSessRegex = new Regex(ENTRY_SESSION);
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Regex entPointRegex = new Regex(ENTRY_POINT);
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Regex entAdrRegex = new Regex(ENTRY_ADR);
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Regex entCtrlRegex = new Regex(ENTRY_CONTROL);
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Regex entTnoRegex = new Regex(ENTRY_TRACKNO);
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Regex entAMinRegex = new Regex(ENTRY_AMIN);
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Regex entASecRegex = new Regex(ENTRY_ASEC);
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Regex entAFrameRegex = new Regex(ENTRY_AFRAME);
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Regex entAlbaRegex = new Regex(ENTRY_ALBA);
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Regex entZeroRegex = new Regex(ENTRY_ZERO);
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Regex entPMinRegex = new Regex(ENTRY_PMIN);
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Regex entPSecRegex = new Regex(ENTRY_PSEC);
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Regex entPFrameRegex = new Regex(ENTRY_PFRAME);
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Regex entPlbaRegex = new Regex(ENTRY_PLBA);
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Regex cdtEntsRegex = new Regex(CDTEXT_ENTRIES);
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Regex cdtEntRegex = new Regex(CDTEXT_ENTRY);
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bool inCcd = false;
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bool inDisk = false;
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bool inSession = false;
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bool inEntry = false;
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bool inTrack = false;
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bool inCdText = false;
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MemoryStream cdtMs = new MemoryStream();
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int minSession = int.MaxValue;
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int maxSession = int.MinValue;
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FullTOC.TrackDataDescriptor currentEntry = new FullTOC.TrackDataDescriptor();
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List<FullTOC.TrackDataDescriptor> entries = new List<FullTOC.TrackDataDescriptor>();
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scrambled = false;
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catalog = null;
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while(cueStream.Peek() >= 0)
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{
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lineNumber++;
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string line = cueStream.ReadLine();
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Match ccdIdMatch = ccdIdRegex.Match(line);
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Match discIdMatch = discIdRegex.Match(line);
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Match sessIdMatch = sessIdRegex.Match(line);
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Match entryIdMatch = entryIdRegex.Match(line);
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Match trackIdMatch = trackIdRegex.Match(line);
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Match cdtIdMatch = cdtIdRegex.Match(line);
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// [CloneCD]
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if(ccdIdMatch.Success)
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{
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if(inDisk || inSession || inEntry || inTrack || inCdText)
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throw new
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FeatureUnsupportedImageException($"Found [CloneCD] out of order in line {lineNumber}");
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inCcd = true;
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inDisk = false;
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inSession = false;
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inEntry = false;
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inTrack = false;
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inCdText = false;
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}
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else if(discIdMatch.Success || sessIdMatch.Success || entryIdMatch.Success ||
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trackIdMatch.Success || cdtIdMatch.Success)
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{
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if(inEntry)
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{
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entries.Add(currentEntry);
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currentEntry = new FullTOC.TrackDataDescriptor();
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}
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inCcd = false;
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inDisk = discIdMatch.Success;
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inSession = sessIdMatch.Success;
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inEntry = entryIdMatch.Success;
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inTrack = trackIdMatch.Success;
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inCdText = cdtIdMatch.Success;
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}
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else
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{
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if(inCcd)
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{
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Match ccdVerMatch = ccdVerRegex.Match(line);
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if(!ccdVerMatch.Success) continue;
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DicConsole.DebugWriteLine("CloneCD plugin", "Found Version at line {0}", lineNumber);
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imageInfo.Version = ccdVerMatch.Groups["value"].Value;
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if(imageInfo.Version != "2" && imageInfo.Version != "3")
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DicConsole
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.ErrorWriteLine("(CloneCD plugin): Warning! Unknown CCD image version {0}, may not work!",
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imageInfo.Version);
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}
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else if(inDisk)
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{
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Match discEntMatch = discEntRegex.Match(line);
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Match discSessMatch = discSessRegex.Match(line);
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Match discScrMatch = discScrRegex.Match(line);
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Match cdtLenMatch = cdtLenRegex.Match(line);
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Match discCatMatch = discCatRegex.Match(line);
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if(discEntMatch.Success)
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DicConsole.DebugWriteLine("CloneCD plugin", "Found TocEntries at line {0}", lineNumber);
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else if(discSessMatch.Success)
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DicConsole.DebugWriteLine("CloneCD plugin", "Found Sessions at line {0}", lineNumber);
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else if(discScrMatch.Success)
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{
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DicConsole.DebugWriteLine("CloneCD plugin", "Found DataTracksScrambled at line {0}",
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lineNumber);
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scrambled |= discScrMatch.Groups["value"].Value == "1";
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}
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else if(cdtLenMatch.Success)
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DicConsole.DebugWriteLine("CloneCD plugin", "Found CDTextLength at line {0}",
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lineNumber);
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else if(discCatMatch.Success)
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{
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DicConsole.DebugWriteLine("CloneCD plugin", "Found Catalog at line {0}", lineNumber);
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catalog = discCatMatch.Groups["value"].Value;
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}
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}
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// TODO: Do not suppose here entries come sorted
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else if(inCdText)
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{
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Match cdtEntsMatch = cdtEntsRegex.Match(line);
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Match cdtEntMatch = cdtEntRegex.Match(line);
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if(cdtEntsMatch.Success)
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DicConsole.DebugWriteLine("CloneCD plugin", "Found CD-Text Entries at line {0}",
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lineNumber);
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else if(cdtEntMatch.Success)
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{
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DicConsole.DebugWriteLine("CloneCD plugin", "Found CD-Text Entry at line {0}",
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lineNumber);
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string[] bytes = cdtEntMatch.Groups["value"].Value.Split(new[] {' '},
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StringSplitOptions
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.RemoveEmptyEntries);
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foreach(string byt in bytes) cdtMs.WriteByte(Convert.ToByte(byt, 16));
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}
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}
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// Is this useful?
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else if(inSession)
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{
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Match sessPregMatch = sessPregRegex.Match(line);
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Match sessSubcMatch = sessSubcRegex.Match(line);
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if(sessPregMatch.Success)
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DicConsole.DebugWriteLine("CloneCD plugin", "Found PreGapMode at line {0}", lineNumber);
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else if(sessSubcMatch.Success)
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DicConsole.DebugWriteLine("CloneCD plugin", "Found PreGapSubC at line {0}", lineNumber);
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}
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else if(inEntry)
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{
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Match entSessMatch = entSessRegex.Match(line);
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Match entPointMatch = entPointRegex.Match(line);
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Match entAdrMatch = entAdrRegex.Match(line);
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Match entCtrlMatch = entCtrlRegex.Match(line);
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Match entTnoMatch = entTnoRegex.Match(line);
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Match entAMinMatch = entAMinRegex.Match(line);
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Match entASecMatch = entASecRegex.Match(line);
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Match entAFrameMatch = entAFrameRegex.Match(line);
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Match entAlbaMatch = entAlbaRegex.Match(line);
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Match entZeroMatch = entZeroRegex.Match(line);
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Match entPMinMatch = entPMinRegex.Match(line);
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Match entPSecMatch = entPSecRegex.Match(line);
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Match entPFrameMatch = entPFrameRegex.Match(line);
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Match entPlbaMatch = entPlbaRegex.Match(line);
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if(entSessMatch.Success)
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{
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DicConsole.DebugWriteLine("CloneCD plugin", "Found Session at line {0}", lineNumber);
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currentEntry.SessionNumber = Convert.ToByte(entSessMatch.Groups["value"].Value, 10);
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if(currentEntry.SessionNumber < minSession) minSession = currentEntry.SessionNumber;
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if(currentEntry.SessionNumber > maxSession) maxSession = currentEntry.SessionNumber;
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}
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else if(entPointMatch.Success)
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{
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DicConsole.DebugWriteLine("CloneCD plugin", "Found Point at line {0}", lineNumber);
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currentEntry.POINT = Convert.ToByte(entPointMatch.Groups["value"].Value, 16);
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}
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else if(entAdrMatch.Success)
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{
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DicConsole.DebugWriteLine("CloneCD plugin", "Found ADR at line {0}", lineNumber);
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currentEntry.ADR = Convert.ToByte(entAdrMatch.Groups["value"].Value, 16);
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}
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else if(entCtrlMatch.Success)
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{
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DicConsole.DebugWriteLine("CloneCD plugin", "Found Control at line {0}", lineNumber);
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currentEntry.CONTROL = Convert.ToByte(entCtrlMatch.Groups["value"].Value, 16);
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}
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else if(entTnoMatch.Success)
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{
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DicConsole.DebugWriteLine("CloneCD plugin", "Found TrackNo at line {0}", lineNumber);
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currentEntry.TNO = Convert.ToByte(entTnoMatch.Groups["value"].Value, 10);
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}
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else if(entAMinMatch.Success)
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{
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DicConsole.DebugWriteLine("CloneCD plugin", "Found AMin at line {0}", lineNumber);
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currentEntry.Min = Convert.ToByte(entAMinMatch.Groups["value"].Value, 10);
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}
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else if(entASecMatch.Success)
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{
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DicConsole.DebugWriteLine("CloneCD plugin", "Found ASec at line {0}", lineNumber);
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currentEntry.Sec = Convert.ToByte(entASecMatch.Groups["value"].Value, 10);
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}
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else if(entAFrameMatch.Success)
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{
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DicConsole.DebugWriteLine("CloneCD plugin", "Found AFrame at line {0}", lineNumber);
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currentEntry.Frame = Convert.ToByte(entAFrameMatch.Groups["value"].Value, 10);
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}
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else if(entAlbaMatch.Success)
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DicConsole.DebugWriteLine("CloneCD plugin", "Found ALBA at line {0}", lineNumber);
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else if(entZeroMatch.Success)
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{
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DicConsole.DebugWriteLine("CloneCD plugin", "Found Zero at line {0}", lineNumber);
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currentEntry.Zero = Convert.ToByte(entZeroMatch.Groups["value"].Value, 10);
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currentEntry.HOUR = (byte)((currentEntry.Zero & 0xF0) >> 4);
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currentEntry.PHOUR = (byte)(currentEntry.Zero & 0x0F);
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}
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else if(entPMinMatch.Success)
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{
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DicConsole.DebugWriteLine("CloneCD plugin", "Found PMin at line {0}", lineNumber);
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currentEntry.PMIN = Convert.ToByte(entPMinMatch.Groups["value"].Value, 10);
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}
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else if(entPSecMatch.Success)
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{
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DicConsole.DebugWriteLine("CloneCD plugin", "Found PSec at line {0}", lineNumber);
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currentEntry.PSEC = Convert.ToByte(entPSecMatch.Groups["value"].Value, 10);
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}
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else if(entPFrameMatch.Success)
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{
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DicConsole.DebugWriteLine("CloneCD plugin", "Found PFrame at line {0}", lineNumber);
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currentEntry.PFRAME = Convert.ToByte(entPFrameMatch.Groups["value"].Value, 10);
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}
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else if(entPlbaMatch.Success)
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DicConsole.DebugWriteLine("CloneCD plugin", "Found PLBA at line {0}", lineNumber);
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}
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}
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}
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if(inEntry) entries.Add(currentEntry);
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if(entries.Count == 0) throw new FeatureUnsupportedImageException("Did not find any track.");
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FullTOC.CDFullTOC toc;
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toc.TrackDescriptors = entries.ToArray();
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toc.LastCompleteSession = (byte)maxSession;
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toc.FirstCompleteSession = (byte)minSession;
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toc.DataLength = (ushort)(entries.Count * 11 + 2);
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MemoryStream tocMs = new MemoryStream();
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tocMs.Write(BigEndianBitConverter.GetBytes(toc.DataLength), 0, 2);
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tocMs.WriteByte(toc.FirstCompleteSession);
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tocMs.WriteByte(toc.LastCompleteSession);
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foreach(FullTOC.TrackDataDescriptor descriptor in toc.TrackDescriptors)
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{
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tocMs.WriteByte(descriptor.SessionNumber);
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tocMs.WriteByte((byte)((descriptor.ADR << 4) + descriptor.CONTROL));
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tocMs.WriteByte(descriptor.TNO);
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tocMs.WriteByte(descriptor.POINT);
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tocMs.WriteByte(descriptor.Min);
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tocMs.WriteByte(descriptor.Sec);
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tocMs.WriteByte(descriptor.Frame);
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tocMs.WriteByte(descriptor.Zero);
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tocMs.WriteByte(descriptor.PMIN);
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tocMs.WriteByte(descriptor.PSEC);
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tocMs.WriteByte(descriptor.PFRAME);
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}
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fulltoc = tocMs.ToArray();
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imageInfo.ReadableMediaTags.Add(MediaTagType.CD_FullTOC);
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DicConsole.DebugWriteLine("CloneCD plugin", "{0}", FullTOC.Prettify(toc));
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string dataFile = Path.GetFileNameWithoutExtension(imageFilter.GetBasePath()) + ".img";
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string subFile = Path.GetFileNameWithoutExtension(imageFilter.GetBasePath()) + ".sub";
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FiltersList filtersList = new FiltersList();
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dataFilter = filtersList.GetFilter(dataFile);
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if(dataFilter == null) throw new Exception("Cannot open data file");
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filtersList = new FiltersList();
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subFilter = filtersList.GetFilter(subFile);
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int curSessionNo = 0;
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Track currentTrack = new Track();
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bool firstTrackInSession = true;
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Tracks = new List<Track>();
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ulong leadOutStart = 0;
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dataStream = dataFilter.GetDataForkStream();
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if(subFilter != null) subStream = subFilter.GetDataForkStream();
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trackFlags = new Dictionary<byte, byte>();
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foreach(FullTOC.TrackDataDescriptor descriptor in entries)
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{
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if(descriptor.SessionNumber > curSessionNo)
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{
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curSessionNo = descriptor.SessionNumber;
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if(!firstTrackInSession)
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{
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currentTrack.TrackEndSector = leadOutStart - 1;
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Tracks.Add(currentTrack);
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}
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firstTrackInSession = true;
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}
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switch(descriptor.ADR)
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{
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case 1:
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case 4:
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switch(descriptor.POINT)
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{
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case 0xA0:
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byte discType = descriptor.PSEC;
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DicConsole.DebugWriteLine("CloneCD plugin", "Disc Type: {0}", discType);
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break;
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case 0xA2:
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leadOutStart = GetLba(descriptor.PMIN, descriptor.PSEC, descriptor.PFRAME);
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break;
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default:
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if(descriptor.POINT >= 0x01 && descriptor.POINT <= 0x63)
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{
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if(!firstTrackInSession)
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{
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currentTrack.TrackEndSector =
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GetLba(descriptor.PMIN, descriptor.PSEC, descriptor.PFRAME) - 1;
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Tracks.Add(currentTrack);
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}
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else firstTrackInSession = false;
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currentTrack = new Track
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{
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TrackBytesPerSector = 2352,
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TrackFile = dataFilter.GetFilename(),
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TrackFileType = scrambled ? "SCRAMBLED" : "BINARY",
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TrackFilter = dataFilter,
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TrackRawBytesPerSector = 2352,
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TrackSequence = descriptor.POINT,
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TrackStartSector =
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GetLba(descriptor.PMIN, descriptor.PSEC, descriptor.PFRAME),
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TrackSession = descriptor.SessionNumber
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};
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currentTrack.TrackFileOffset = currentTrack.TrackStartSector * 2352;
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// Need to check exact data type later
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if((TocControl)(descriptor.CONTROL & 0x0D) == TocControl.DataTrack ||
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(TocControl)(descriptor.CONTROL & 0x0D) == TocControl.DataTrackIncremental)
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currentTrack.TrackType = TrackType.Data;
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else currentTrack.TrackType = TrackType.Audio;
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if(!trackFlags.ContainsKey(descriptor.POINT))
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trackFlags.Add(descriptor.POINT, descriptor.CONTROL);
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if(subFilter != null)
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{
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currentTrack.TrackSubchannelFile = subFilter.GetFilename();
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currentTrack.TrackSubchannelFilter = subFilter;
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currentTrack.TrackSubchannelOffset = currentTrack.TrackStartSector * 96;
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currentTrack.TrackSubchannelType = TrackSubchannelType.Raw;
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}
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else currentTrack.TrackSubchannelType = TrackSubchannelType.None;
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if(currentTrack.TrackType == TrackType.Data)
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{
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byte[] syncTest = new byte[12];
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byte[] sectTest = new byte[2352];
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dataStream.Seek((long)currentTrack.TrackFileOffset, SeekOrigin.Begin);
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dataStream.Read(sectTest, 0, 2352);
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Array.Copy(sectTest, 0, syncTest, 0, 12);
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if(Sector.SyncMark.SequenceEqual(syncTest))
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{
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if(scrambled) sectTest = Sector.Scramble(sectTest);
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if(sectTest[15] == 1)
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{
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currentTrack.TrackBytesPerSector = 2048;
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currentTrack.TrackType = TrackType.CdMode1;
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if(!imageInfo.ReadableSectorTags
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.Contains(SectorTagType.CdSectorSync))
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imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorSync);
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if(!imageInfo.ReadableSectorTags.Contains(SectorTagType
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.CdSectorHeader))
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imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorHeader);
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if(!imageInfo.ReadableSectorTags.Contains(SectorTagType.CdSectorEcc)
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) imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorEcc);
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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;
|
|
}
|
|
else if(sectTest[15] == 2)
|
|
{
|
|
byte[] subHdr1 = new byte[4];
|
|
byte[] subHdr2 = new byte[4];
|
|
byte[] empHdr = new byte[4];
|
|
|
|
Array.Copy(sectTest, 16, subHdr1, 0, 4);
|
|
Array.Copy(sectTest, 20, subHdr2, 0, 4);
|
|
|
|
if(subHdr1.SequenceEqual(subHdr2) && !empHdr.SequenceEqual(subHdr1))
|
|
if((subHdr1[2] & 0x20) == 0x20)
|
|
{
|
|
currentTrack.TrackBytesPerSector = 2324;
|
|
currentTrack.TrackType = TrackType.CdMode2Form2;
|
|
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
|
|
.CdSectorEdc))
|
|
imageInfo.ReadableSectorTags.Add(SectorTagType
|
|
.CdSectorEdc);
|
|
if(imageInfo.SectorSize < 2324) imageInfo.SectorSize = 2324;
|
|
}
|
|
else
|
|
{
|
|
currentTrack.TrackBytesPerSector = 2048;
|
|
currentTrack.TrackType = TrackType.CdMode2Form1;
|
|
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;
|
|
}
|
|
else
|
|
{
|
|
currentTrack.TrackBytesPerSector = 2336;
|
|
currentTrack.TrackType = 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;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if(imageInfo.SectorSize < 2352) imageInfo.SectorSize = 2352;
|
|
}
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
break;
|
|
case 5:
|
|
switch(descriptor.POINT)
|
|
{
|
|
case 0xC0:
|
|
if(descriptor.PMIN == 97)
|
|
{
|
|
int type = descriptor.PFRAME % 10;
|
|
int frm = descriptor.PFRAME - type;
|
|
|
|
imageInfo.MediaManufacturer = ATIP.ManufacturerFromATIP(descriptor.PSEC, frm);
|
|
|
|
if(imageInfo.MediaManufacturer != "")
|
|
DicConsole.DebugWriteLine("CloneCD plugin", "Disc manufactured by: {0}",
|
|
imageInfo.MediaManufacturer);
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
break;
|
|
case 6:
|
|
{
|
|
uint id = (uint)((descriptor.Min << 16) + (descriptor.Sec << 8) + descriptor.Frame);
|
|
DicConsole.DebugWriteLine("CloneCD plugin", "Disc ID: {0:X6}", id & 0x00FFFFFF);
|
|
imageInfo.MediaSerialNumber = $"{id & 0x00FFFFFF:X6}";
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if(!firstTrackInSession)
|
|
{
|
|
currentTrack.TrackEndSector = leadOutStart - 1;
|
|
Tracks.Add(currentTrack);
|
|
}
|
|
|
|
if(subFilter != null && !imageInfo.ReadableSectorTags.Contains(SectorTagType.CdSectorSubchannel))
|
|
imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorSubchannel);
|
|
|
|
imageInfo.ReadableSectorTags.Add(SectorTagType.CdTrackFlags);
|
|
|
|
Sessions = new List<Session>();
|
|
Session currentSession = new Session
|
|
{
|
|
EndTrack = uint.MinValue,
|
|
StartTrack = uint.MaxValue,
|
|
SessionSequence = 1
|
|
};
|
|
Partitions = new List<Partition>();
|
|
offsetmap = new Dictionary<uint, ulong>();
|
|
|
|
foreach(Track track in Tracks)
|
|
{
|
|
if(track.TrackSession == currentSession.SessionSequence)
|
|
{
|
|
if(track.TrackSequence > currentSession.EndTrack)
|
|
{
|
|
currentSession.EndSector = track.TrackEndSector;
|
|
currentSession.EndTrack = track.TrackSequence;
|
|
}
|
|
|
|
if(track.TrackSequence < currentSession.StartTrack)
|
|
{
|
|
currentSession.StartSector = track.TrackStartSector;
|
|
currentSession.StartTrack = track.TrackSequence;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
Sessions.Add(currentSession);
|
|
currentSession = new Session
|
|
{
|
|
EndTrack = uint.MinValue,
|
|
StartTrack = uint.MaxValue,
|
|
SessionSequence = track.TrackSession
|
|
};
|
|
}
|
|
|
|
Partition partition = new Partition
|
|
{
|
|
Description = track.TrackDescription,
|
|
Size =
|
|
(track.TrackEndSector - track.TrackStartSector + 1) * (ulong)track.TrackRawBytesPerSector,
|
|
Length = track.TrackEndSector - track.TrackStartSector + 1,
|
|
Sequence = track.TrackSequence,
|
|
Offset = track.TrackFileOffset,
|
|
Start = track.TrackStartSector,
|
|
Type = track.TrackType.ToString()
|
|
};
|
|
imageInfo.Sectors += partition.Length;
|
|
Partitions.Add(partition);
|
|
offsetmap.Add(track.TrackSequence, track.TrackStartSector);
|
|
}
|
|
|
|
bool data = false;
|
|
bool mode2 = false;
|
|
bool firstaudio = false;
|
|
bool firstdata = false;
|
|
bool audio = false;
|
|
|
|
for(int i = 0; i < Tracks.Count; i++)
|
|
{
|
|
// First track is audio
|
|
firstaudio |= i == 0 && Tracks[i].TrackType == TrackType.Audio;
|
|
|
|
// First track is data
|
|
firstdata |= i == 0 && Tracks[i].TrackType != TrackType.Audio;
|
|
|
|
// Any non first track is data
|
|
data |= i != 0 && Tracks[i].TrackType != TrackType.Audio;
|
|
|
|
// Any non first track is audio
|
|
audio |= i != 0 && Tracks[i].TrackType == TrackType.Audio;
|
|
|
|
switch(Tracks[i].TrackType)
|
|
{
|
|
case TrackType.CdMode2Form1:
|
|
case TrackType.CdMode2Form2:
|
|
case TrackType.CdMode2Formless:
|
|
mode2 = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// TODO: Check format
|
|
cdtext = cdtMs.ToArray();
|
|
|
|
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.Application = "CloneCD";
|
|
imageInfo.ImageSize = (ulong)imageFilter.GetDataForkLength();
|
|
imageInfo.CreationTime = imageFilter.GetCreationTime();
|
|
imageInfo.LastModificationTime = imageFilter.GetLastWriteTime();
|
|
imageInfo.XmlMediaType = XmlMediaType.OpticalDisc;
|
|
|
|
return true;
|
|
}
|
|
catch(Exception ex)
|
|
{
|
|
DicConsole.ErrorWriteLine("Exception trying to identify image file {0}", imageFilter.GetFilename());
|
|
DicConsole.ErrorWriteLine("Exception: {0}", ex.Message);
|
|
DicConsole.ErrorWriteLine("Stack trace: {0}", ex.StackTrace);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
public byte[] ReadDiskTag(MediaTagType tag)
|
|
{
|
|
switch(tag)
|
|
{
|
|
case MediaTagType.CD_FullTOC: { return fulltoc; }
|
|
case MediaTagType.CD_TEXT:
|
|
{
|
|
if(cdtext != null && cdtext.Length > 0) return cdtext;
|
|
|
|
throw new FeatureNotPresentImageException("Image does not contain CD-TEXT information.");
|
|
}
|
|
default:
|
|
throw new FeatureSupportedButNotImplementedImageException("Feature not supported by image format");
|
|
}
|
|
}
|
|
|
|
public byte[] ReadSector(ulong sectorAddress)
|
|
{
|
|
return ReadSectors(sectorAddress, 1);
|
|
}
|
|
|
|
public byte[] ReadSectorTag(ulong sectorAddress, SectorTagType tag)
|
|
{
|
|
return ReadSectorsTag(sectorAddress, 1, tag);
|
|
}
|
|
|
|
public byte[] ReadSector(ulong sectorAddress, uint track)
|
|
{
|
|
return ReadSectors(sectorAddress, 1, track);
|
|
}
|
|
|
|
public byte[] ReadSectorTag(ulong sectorAddress, uint track, SectorTagType tag)
|
|
{
|
|
return ReadSectorsTag(sectorAddress, 1, track, tag);
|
|
}
|
|
|
|
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.TrackSequence == kvp.Key
|
|
where sectorAddress <= track.TrackEndSector
|
|
select kvp)
|
|
return ReadSectors(sectorAddress - kvp.Value, length, kvp.Key);
|
|
|
|
throw new ArgumentOutOfRangeException(nameof(sectorAddress), $"Sector address {sectorAddress} not found");
|
|
}
|
|
|
|
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.TrackSequence == kvp.Key
|
|
where sectorAddress <= track.TrackEndSector
|
|
select kvp)
|
|
return ReadSectorsTag(sectorAddress - kvp.Value, length, kvp.Key, tag);
|
|
|
|
throw new ArgumentOutOfRangeException(nameof(sectorAddress), $"Sector address {sectorAddress} not found");
|
|
}
|
|
|
|
public byte[] ReadSectors(ulong sectorAddress, uint length, uint track)
|
|
{
|
|
Track dicTrack = new Track {TrackSequence = 0};
|
|
|
|
foreach(Track linqTrack in Tracks.Where(linqTrack => linqTrack.TrackSequence == track))
|
|
{
|
|
dicTrack = linqTrack;
|
|
break;
|
|
}
|
|
|
|
if(dicTrack.TrackSequence == 0)
|
|
throw new ArgumentOutOfRangeException(nameof(track), "Track does not exist in disc image");
|
|
|
|
if(length + sectorAddress - 1 > dicTrack.TrackEndSector)
|
|
throw new ArgumentOutOfRangeException(nameof(length),
|
|
string
|
|
.Format("Requested more sectors ({0} {2}) than present in track ({1}), won't cross tracks",
|
|
length + sectorAddress, dicTrack.TrackEndSector,
|
|
sectorAddress));
|
|
|
|
uint sectorOffset;
|
|
uint sectorSize;
|
|
uint sectorSkip;
|
|
|
|
switch(dicTrack.TrackType)
|
|
{
|
|
case TrackType.Audio:
|
|
{
|
|
sectorOffset = 0;
|
|
sectorSize = 2352;
|
|
sectorSkip = 0;
|
|
break;
|
|
}
|
|
case TrackType.CdMode1:
|
|
{
|
|
sectorOffset = 16;
|
|
sectorSize = 2048;
|
|
sectorSkip = 288;
|
|
break;
|
|
}
|
|
case TrackType.CdMode2Formless:
|
|
{
|
|
sectorOffset = 16;
|
|
sectorSize = 2336;
|
|
sectorSkip = 0;
|
|
break;
|
|
}
|
|
case TrackType.CdMode2Form1:
|
|
{
|
|
sectorOffset = 24;
|
|
sectorSize = 2048;
|
|
sectorSkip = 280;
|
|
break;
|
|
}
|
|
case TrackType.CdMode2Form2:
|
|
{
|
|
sectorOffset = 24;
|
|
sectorSize = 2324;
|
|
sectorSkip = 4;
|
|
break;
|
|
}
|
|
default: throw new FeatureSupportedButNotImplementedImageException("Unsupported track type");
|
|
}
|
|
|
|
byte[] buffer = new byte[sectorSize * length];
|
|
|
|
dataStream.Seek((long)(dicTrack.TrackFileOffset + sectorAddress * 2352), SeekOrigin.Begin);
|
|
if(sectorOffset == 0 && sectorSkip == 0) dataStream.Read(buffer, 0, buffer.Length);
|
|
else
|
|
for(int i = 0; i < length; i++)
|
|
{
|
|
byte[] sector = new byte[sectorSize];
|
|
dataStream.Seek(sectorOffset, SeekOrigin.Current);
|
|
dataStream.Read(sector, 0, sector.Length);
|
|
dataStream.Seek(sectorSkip, SeekOrigin.Current);
|
|
Array.Copy(sector, 0, buffer, i * sectorSize, sectorSize);
|
|
}
|
|
|
|
return buffer;
|
|
}
|
|
|
|
public byte[] ReadSectorsTag(ulong sectorAddress, uint length, uint track, SectorTagType tag)
|
|
{
|
|
Track dicTrack = new Track {TrackSequence = 0};
|
|
|
|
foreach(Track linqTrack in Tracks.Where(linqTrack => linqTrack.TrackSequence == track))
|
|
{
|
|
dicTrack = linqTrack;
|
|
break;
|
|
}
|
|
|
|
if(dicTrack.TrackSequence == 0)
|
|
throw new ArgumentOutOfRangeException(nameof(track), "Track does not exist in disc image");
|
|
|
|
if(length + sectorAddress - 1 > dicTrack.TrackEndSector)
|
|
throw new ArgumentOutOfRangeException(nameof(length),
|
|
$"Requested more sectors ({length + sectorAddress}) than present in track ({dicTrack.TrackEndSector}), won't cross tracks");
|
|
|
|
if(dicTrack.TrackType == TrackType.Data)
|
|
throw new ArgumentException("Unsupported tag requested", nameof(tag));
|
|
|
|
byte[] buffer;
|
|
|
|
switch(tag)
|
|
{
|
|
case SectorTagType.CdSectorEcc:
|
|
case SectorTagType.CdSectorEccP:
|
|
case SectorTagType.CdSectorEccQ:
|
|
case SectorTagType.CdSectorEdc:
|
|
case SectorTagType.CdSectorHeader:
|
|
case SectorTagType.CdSectorSubHeader:
|
|
case SectorTagType.CdSectorSync: break;
|
|
case SectorTagType.CdTrackFlags:
|
|
return !trackFlags.TryGetValue((byte)dicTrack.TrackSequence, out byte flags)
|
|
? new[] {flags}
|
|
: new byte[1];
|
|
case SectorTagType.CdSectorSubchannel:
|
|
buffer = new byte[96 * length];
|
|
subStream.Seek((long)(dicTrack.TrackSubchannelOffset + sectorAddress * 96), SeekOrigin.Begin);
|
|
subStream.Read(buffer, 0, buffer.Length);
|
|
return buffer;
|
|
default: throw new ArgumentException("Unsupported tag requested", nameof(tag));
|
|
}
|
|
|
|
uint sectorOffset;
|
|
uint sectorSize;
|
|
uint sectorSkip;
|
|
|
|
switch(dicTrack.TrackType)
|
|
{
|
|
case 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;
|
|
}
|
|
default: throw new ArgumentException("Unsupported tag requested", nameof(tag));
|
|
}
|
|
|
|
break;
|
|
case 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;
|
|
}
|
|
default: throw new ArgumentException("Unsupported tag requested", nameof(tag));
|
|
}
|
|
|
|
break;
|
|
}
|
|
case TrackType.CdMode2Form1:
|
|
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:
|
|
{
|
|
sectorOffset = 16;
|
|
sectorSize = 8;
|
|
sectorSkip = 2328;
|
|
break;
|
|
}
|
|
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 = 2072;
|
|
sectorSize = 4;
|
|
sectorSkip = 276;
|
|
break;
|
|
}
|
|
default: throw new ArgumentException("Unsupported tag requested", nameof(tag));
|
|
}
|
|
|
|
break;
|
|
case TrackType.CdMode2Form2:
|
|
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:
|
|
{
|
|
sectorOffset = 16;
|
|
sectorSize = 8;
|
|
sectorSkip = 2328;
|
|
break;
|
|
}
|
|
case SectorTagType.CdSectorEdc:
|
|
{
|
|
sectorOffset = 2348;
|
|
sectorSize = 4;
|
|
sectorSkip = 0;
|
|
break;
|
|
}
|
|
default: throw new ArgumentException("Unsupported tag requested", nameof(tag));
|
|
}
|
|
|
|
break;
|
|
case TrackType.Audio: { throw new ArgumentException("Unsupported tag requested", nameof(tag)); }
|
|
default:
|
|
throw new FeatureSupportedButNotImplementedImageException("Unsupported track type");
|
|
}
|
|
|
|
buffer = new byte[sectorSize * length];
|
|
|
|
dataStream.Seek((long)(dicTrack.TrackFileOffset + sectorAddress * 2352), SeekOrigin.Begin);
|
|
if(sectorOffset == 0 && sectorSkip == 0) dataStream.Read(buffer, 0, buffer.Length);
|
|
else
|
|
for(int i = 0; i < length; i++)
|
|
{
|
|
byte[] sector = new byte[sectorSize];
|
|
dataStream.Seek(sectorOffset, SeekOrigin.Current);
|
|
dataStream.Read(sector, 0, sector.Length);
|
|
dataStream.Seek(sectorSkip, SeekOrigin.Current);
|
|
Array.Copy(sector, 0, buffer, i * sectorSize, sectorSize);
|
|
}
|
|
|
|
return buffer;
|
|
}
|
|
|
|
public byte[] ReadSectorLong(ulong sectorAddress)
|
|
{
|
|
return ReadSectorsLong(sectorAddress, 1);
|
|
}
|
|
|
|
public byte[] ReadSectorLong(ulong sectorAddress, uint track)
|
|
{
|
|
return ReadSectorsLong(sectorAddress, 1, track);
|
|
}
|
|
|
|
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.TrackSequence == kvp.Key
|
|
where sectorAddress - kvp.Value <
|
|
track.TrackEndSector - track.TrackStartSector + 1
|
|
select kvp)
|
|
return ReadSectorsLong(sectorAddress - kvp.Value, length, kvp.Key);
|
|
|
|
throw new ArgumentOutOfRangeException(nameof(sectorAddress), $"Sector address {sectorAddress} not found");
|
|
}
|
|
|
|
public byte[] ReadSectorsLong(ulong sectorAddress, uint length, uint track)
|
|
{
|
|
Track dicTrack = new Track {TrackSequence = 0};
|
|
|
|
foreach(Track linqTrack in Tracks.Where(linqTrack => linqTrack.TrackSequence == track))
|
|
{
|
|
dicTrack = linqTrack;
|
|
break;
|
|
}
|
|
|
|
if(dicTrack.TrackSequence == 0)
|
|
throw new ArgumentOutOfRangeException(nameof(track), "Track does not exist in disc image");
|
|
|
|
if(length + sectorAddress - 1 > dicTrack.TrackEndSector)
|
|
throw new ArgumentOutOfRangeException(nameof(length),
|
|
$"Requested more sectors ({length + sectorAddress}) than present in track ({dicTrack.TrackEndSector}), won't cross tracks");
|
|
|
|
byte[] buffer = new byte[2352 * length];
|
|
|
|
dataStream.Seek((long)(dicTrack.TrackFileOffset + sectorAddress * 2352), SeekOrigin.Begin);
|
|
dataStream.Read(buffer, 0, buffer.Length);
|
|
|
|
return buffer;
|
|
}
|
|
|
|
public List<Track> GetSessionTracks(Session session)
|
|
{
|
|
if(Sessions.Contains(session)) return GetSessionTracks(session.SessionSequence);
|
|
|
|
throw new ImageNotSupportedException("Session does not exist in disc image");
|
|
}
|
|
|
|
public List<Track> GetSessionTracks(ushort session)
|
|
{
|
|
return Tracks.Where(track => track.TrackSession == session).ToList();
|
|
}
|
|
|
|
public bool? VerifySector(ulong sectorAddress)
|
|
{
|
|
byte[] buffer = ReadSectorLong(sectorAddress);
|
|
return CdChecksums.CheckCdSector(buffer);
|
|
}
|
|
|
|
public bool? VerifySector(ulong sectorAddress, uint track)
|
|
{
|
|
byte[] buffer = ReadSectorLong(sectorAddress, track);
|
|
return CdChecksums.CheckCdSector(buffer);
|
|
}
|
|
|
|
public bool? VerifySectors(ulong sectorAddress, uint length, out List<ulong> failingLbas,
|
|
out List<ulong> unknownLbas)
|
|
{
|
|
byte[] buffer = ReadSectorsLong(sectorAddress, length);
|
|
int bps = (int)(buffer.Length / length);
|
|
byte[] sector = new byte[bps];
|
|
failingLbas = new List<ulong>();
|
|
unknownLbas = new List<ulong>();
|
|
|
|
for(int i = 0; i < length; i++)
|
|
{
|
|
Array.Copy(buffer, i * bps, sector, 0, bps);
|
|
bool? sectorStatus = CdChecksums.CheckCdSector(sector);
|
|
|
|
switch(sectorStatus)
|
|
{
|
|
case null:
|
|
unknownLbas.Add((ulong)i + sectorAddress);
|
|
break;
|
|
case false:
|
|
failingLbas.Add((ulong)i + sectorAddress);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if(unknownLbas.Count > 0) return null;
|
|
|
|
return failingLbas.Count <= 0;
|
|
}
|
|
|
|
public bool? VerifySectors(ulong sectorAddress, uint length, uint track, out List<ulong> failingLbas,
|
|
out List<ulong> unknownLbas)
|
|
{
|
|
byte[] buffer = ReadSectorsLong(sectorAddress, length, track);
|
|
int bps = (int)(buffer.Length / length);
|
|
byte[] sector = new byte[bps];
|
|
failingLbas = new List<ulong>();
|
|
unknownLbas = new List<ulong>();
|
|
|
|
for(int i = 0; i < length; i++)
|
|
{
|
|
Array.Copy(buffer, i * bps, sector, 0, bps);
|
|
bool? sectorStatus = CdChecksums.CheckCdSector(sector);
|
|
|
|
switch(sectorStatus)
|
|
{
|
|
case null:
|
|
unknownLbas.Add((ulong)i + sectorAddress);
|
|
break;
|
|
case false:
|
|
failingLbas.Add((ulong)i + sectorAddress);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if(unknownLbas.Count > 0) return null;
|
|
|
|
return failingLbas.Count <= 0;
|
|
}
|
|
}
|
|
} |