Files
Aaru/Aaru.Images/CDRWin/Read.cs

2461 lines
106 KiB
C#

// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename : Read.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Disk image plugins.
//
// --[ Description ] ----------------------------------------------------------
//
// Reads CDRWin cuesheets (cue/bin).
//
// --[ License ] --------------------------------------------------------------
//
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
// License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
// Copyright © 2011-2025 Natalia Portillo
// ****************************************************************************/
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using Aaru.CommonTypes;
using Aaru.CommonTypes.AaruMetadata;
using Aaru.CommonTypes.Enums;
using Aaru.CommonTypes.Interfaces;
using Aaru.Decoders.CD;
using Aaru.Helpers;
using Aaru.Logging;
using Partition = Aaru.CommonTypes.Partition;
using Session = Aaru.CommonTypes.Structs.Session;
using Track = Aaru.CommonTypes.Structs.Track;
using TrackType = Aaru.CommonTypes.Enums.TrackType;
namespace Aaru.Images;
public sealed partial class CdrWin
{
#region IWritableOpticalImage Members
/// <inheritdoc />
public ErrorNumber Open(IFilter imageFilter)
{
if(imageFilter == null) return ErrorNumber.InvalidArgument;
_cdrwinFilter = imageFilter;
try
{
imageFilter.GetDataForkStream().Seek(0, SeekOrigin.Begin);
_cueStream = new StreamReader(imageFilter.GetDataForkStream());
var lineNumber = 0;
var inTrack = false;
byte currentSession = 1;
// Initialize all RegExs
Regex regexSession = SessionRegex();
Regex regexDiskType = MediaTypeRegex();
Regex regexLeadOut = LeadOutRegex();
Regex regexLba = LbaRegex();
Regex regexDiskId = DiscIdRegex();
Regex regexBarCode = BarcodeRegex();
Regex regexComment = CommentRegex();
Regex regexCdText = CdtextRegex();
Regex regexMcn = McnRegex();
Regex regexTitle = TitleRegex();
Regex regexGenre = GenreRegex();
Regex regexArranger = ArrangerRegex();
Regex regexComposer = ComposerRegex();
Regex regexPerformer = PerformerRegex();
Regex regexSongWriter = SongwriterRegex();
Regex regexFile = FileRegex();
Regex regexTrack = TrackRegex();
Regex regexIsrc = IsrcRegex();
Regex regexIndex = IndexRegex();
Regex regexPregap = PregapRegex();
Regex regexPostgap = PostgapRegex();
Regex regexFlags = FlagsRegex();
Regex regexApplication = ApplicationRegex();
Regex regexTruripDisc = TruripDiscHashesRegex();
Regex regexTruripDiscCrc32 = TruripDiscCrc32Regex();
Regex regexTruripDiscMd5 = TruripDiscMd5Regex();
Regex regexTruripDiscSha1 = TruripDiscSha1Regex();
Regex regexTruripTrack = TruripTrackMethodRegex();
Regex regexTruripTrackCrc32 = TruripTrackCrc32Regex();
Regex regexTruripTrackMd5 = TruripTrackMd5Regex();
Regex regexTruripTrackSha1 = TruripTrackSha1Regex();
Regex regexTruripTrackUnknownHash = TruripTrackUnknownRegex();
Regex regexDicMediaType = DicMediaTypeRegex();
Regex regexApplicationVersion = ApplicationVersionRegex();
Regex regexDumpExtent = DumpExtentRegex();
Regex regexAaruMediaType = AaruMediaTypeRegex();
Regex regexRedumpSdArea = RedumpSdAreaRegex();
Regex regexRedumpHdArea = RedumpHdAreaRegex();
// Initialize all RegEx matches
Match matchTrack;
// Initialize disc
_discImage = new CdrWinDisc
{
Sessions = [],
Tracks = [],
Comment = "",
DiscHashes = new Dictionary<string, string>()
};
var currentTrack = new CdrWinTrack
{
Indexes = new SortedDictionary<ushort, int>()
};
var currentFile = new CdrWinTrackFile();
long currentFileOffsetSector = 0;
var trackCount = 0;
Dictionary<byte, int> leadouts = new();
while(_cueStream.Peek() >= 0)
{
lineNumber++;
string line = _cueStream.ReadLine();
matchTrack = regexTrack.Match(line);
if(!matchTrack.Success) continue;
var trackSeq = uint.Parse(matchTrack.Groups[1].Value);
if(trackCount + 1 != trackSeq)
{
AaruLogging.Error(string.Format(Localization.Found_TRACK_0_out_of_order_in_line_1,
trackSeq,
lineNumber));
return ErrorNumber.InvalidArgument;
}
trackCount++;
}
if(trackCount == 0)
{
AaruLogging.Error(Localization.No_tracks_found);
return ErrorNumber.InvalidArgument;
}
var cueTracks = new CdrWinTrack[trackCount];
lineNumber = 0;
imageFilter.GetDataForkStream().Seek(0, SeekOrigin.Begin);
_cueStream = new StreamReader(imageFilter.GetDataForkStream());
var inTruripDiscHash = false;
var inTruripTrackHash = false;
var firstTrackInSession = false;
var currentEmptyPregap = 0;
var cumulativeEmptyPregap = 0;
const ulong gdRomSession2Offset = 45000;
while(_cueStream.Peek() >= 0)
{
lineNumber++;
string line = _cueStream.ReadLine();
Match matchSession = regexSession.Match(line);
Match matchDiskType = regexDiskType.Match(line);
Match matchComment = regexComment.Match(line);
Match matchLba = regexLba.Match(line);
Match matchLeadOut = regexLeadOut.Match(line);
Match matchApplication = regexApplication.Match(line);
Match matchTruripDisc = regexTruripDisc.Match(line);
Match matchTruripTrack = regexTruripTrack.Match(line);
Match matchDicMediaType = regexDicMediaType.Match(line);
Match matchApplicationVersion = regexApplicationVersion.Match(line);
Match matchDumpExtent = regexDumpExtent.Match(line);
Match matchAaruMediaType = regexAaruMediaType.Match(line);
Match matchRedumpSdArea = regexRedumpSdArea.Match(line);
Match matchRedumpHdArea = regexRedumpHdArea.Match(line);
if(inTruripDiscHash)
{
Match matchTruripDiscCrc32 = regexTruripDiscCrc32.Match(line);
Match matchTruripDiscMd5 = regexTruripDiscMd5.Match(line);
Match matchTruripDiscSha1 = regexTruripDiscSha1.Match(line);
if(matchTruripDiscCrc32.Success)
{
AaruLogging.Debug(MODULE_NAME, Localization.Found_REM_CRC32_at_line_0, lineNumber);
_discImage.DiscHashes.Add("crc32", matchTruripDiscCrc32.Groups[1].Value.ToLowerInvariant());
continue;
}
if(matchTruripDiscMd5.Success)
{
AaruLogging.Debug(MODULE_NAME, Localization.Found_REM_MD5_at_line_0, lineNumber);
_discImage.DiscHashes.Add("md5", matchTruripDiscMd5.Groups[1].Value.ToLowerInvariant());
continue;
}
if(matchTruripDiscSha1.Success)
{
AaruLogging.Debug(MODULE_NAME, Localization.Found_REM_SHA1_at_line_0, lineNumber);
_discImage.DiscHashes.Add("sha1", matchTruripDiscSha1.Groups[1].Value.ToLowerInvariant());
continue;
}
}
else if(inTruripTrackHash)
{
Match matchTruripTrackCrc32 = regexTruripTrackCrc32.Match(line);
Match matchTruripTrackMd5 = regexTruripTrackMd5.Match(line);
Match matchTruripTrackSha1 = regexTruripTrackSha1.Match(line);
Match matchTruripTrackUnknownHash = regexTruripTrackUnknownHash.Match(line);
if(matchTruripTrackCrc32.Success)
{
AaruLogging.Debug(MODULE_NAME,
Localization.Found_CRC32_for_1_2_at_line_0,
lineNumber,
matchTruripTrackCrc32.Groups[1].Value == "Trk"
? Localization.track
: Localization.gap,
matchTruripTrackCrc32.Groups[2].Value);
continue;
}
if(matchTruripTrackMd5.Success)
{
AaruLogging.Debug(MODULE_NAME,
Localization.Found_MD5_for_1_2_at_line_0,
lineNumber,
matchTruripTrackMd5.Groups[1].Value == "Trk"
? Localization.track
: Localization.gap,
matchTruripTrackMd5.Groups[2].Value);
continue;
}
if(matchTruripTrackSha1.Success)
{
AaruLogging.Debug(MODULE_NAME,
Localization.Found_SHA1_for_1_2_at_line_0,
lineNumber,
matchTruripTrackSha1.Groups[1].Value == "Trk"
? Localization.track
: Localization.gap,
matchTruripTrackSha1.Groups[2].Value);
continue;
}
if(matchTruripTrackUnknownHash.Success)
{
AaruLogging.Debug(MODULE_NAME,
Localization
.Found_unknown_hash_for_1_2_at_line_0_Please_report_this_disc_image,
lineNumber,
matchTruripTrackUnknownHash.Groups[1].Value == "Trk"
? Localization.track
: Localization.gap,
matchTruripTrackUnknownHash.Groups[2].Value);
continue;
}
}
inTruripDiscHash = false;
inTruripTrackHash = false;
if(matchDumpExtent.Success &&
!inTrack &&
ulong.TryParse(matchDumpExtent.Groups["start"].Value, out ulong extentStart) &&
ulong.TryParse(matchDumpExtent.Groups["end"].Value, out ulong extentEnd))
{
AaruLogging.Debug(MODULE_NAME, Localization.Found_REM_METADATA_DUMP_EXTENT_at_line_0, lineNumber);
DumpHardware ??= [];
DumpHardware existingDump =
DumpHardware.FirstOrDefault(d =>
d.Manufacturer ==
matchDumpExtent.Groups["manufacturer"].Value &&
d.Model == matchDumpExtent.Groups["model"].Value &&
d.Firmware == matchDumpExtent.Groups["firmware"].Value &&
d.Serial == matchDumpExtent.Groups["serial"].Value &&
d.Software.Name ==
matchDumpExtent.Groups["application"].Value &&
d.Software.Version == matchDumpExtent.Groups["version"].Value &&
d.Software.OperatingSystem ==
matchDumpExtent.Groups["os"].Value);
if(existingDump is null)
{
DumpHardware.Add(new DumpHardware
{
Extents =
[
new Extent
{
Start = extentStart,
End = extentEnd
}
],
Firmware = matchDumpExtent.Groups["firmware"].Value,
Manufacturer = matchDumpExtent.Groups["manufacturer"].Value,
Model = matchDumpExtent.Groups["model"].Value,
Serial = matchDumpExtent.Groups["serial"].Value,
Software = new Software
{
Name = matchDumpExtent.Groups["application"].Value,
Version = matchDumpExtent.Groups["version"].Value,
OperatingSystem = matchDumpExtent.Groups["os"].Value
}
});
}
else
{
existingDump.Extents = new List<Extent>(existingDump.Extents)
{
new()
{
Start = extentStart,
End = extentEnd
}
}.OrderBy(static e => e.Start)
.ToList();
}
}
else if(matchDicMediaType.Success && !inTrack)
{
AaruLogging.Debug(MODULE_NAME,
Localization.Found_REM_METADATA_DIC_MEDIA_TYPE_at_line_0,
lineNumber);
_discImage.AaruMediaType = matchDicMediaType.Groups[1].Value;
}
else if(matchAaruMediaType.Success && !inTrack)
{
AaruLogging.Debug(MODULE_NAME,
Localization.Found_REM_METADATA_AARU_MEDIA_TYPE_at_line_0,
lineNumber);
_discImage.AaruMediaType = matchAaruMediaType.Groups[1].Value;
}
else if(matchDiskType.Success && !inTrack)
{
AaruLogging.Debug(MODULE_NAME, Localization.Found_REM_ORIGINAL_MEDIA_TYPE_at_line_0, lineNumber);
_discImage.OriginalMediaType = matchDiskType.Groups[1].Value;
}
else if(matchSession.Success)
{
AaruLogging.Debug(MODULE_NAME, Localization.Found_REM_SESSION_at_line_0, lineNumber);
currentSession = byte.Parse(matchSession.Groups[1].Value);
firstTrackInSession = true;
}
else if(matchRedumpSdArea.Success)
{
AaruLogging.Debug(MODULE_NAME, Localization.Found_REM_SINGLE_DENSITY_AREA_at_line_0, lineNumber);
_discImage.IsRedumpGigadisc = true;
firstTrackInSession = true;
}
else if(matchRedumpHdArea.Success)
{
AaruLogging.Debug(MODULE_NAME, Localization.Found_REM_HIGH_DENSITY_AREA_at_line_0, lineNumber);
_discImage.IsRedumpGigadisc = true;
currentSession = 2;
firstTrackInSession = true;
}
else if(matchLba.Success)
AaruLogging.Debug(MODULE_NAME, Localization.Found_REM_MSF_at_line_0, lineNumber);
else if(matchLeadOut.Success)
{
AaruLogging.Debug(MODULE_NAME, Localization.Found_REM_LEAD_OUT_at_line_0, lineNumber);
leadouts[currentSession] = CdrWinMsfToLba(matchLeadOut.Groups[1].Value);
}
else if(matchApplication.Success)
{
AaruLogging.Debug(MODULE_NAME, Localization.Found_REM_Ripping_Tool_at_line_0, lineNumber);
_imageInfo.Application = matchApplication.Groups[1].Value;
}
else if(matchApplicationVersion.Success && !inTrack)
{
AaruLogging.Debug(MODULE_NAME, Localization.Found_REM_Ripping_Tool_Version_at_line_0, lineNumber);
_imageInfo.ApplicationVersion = matchApplicationVersion.Groups[1].Value;
}
else if(matchTruripDisc.Success)
{
AaruLogging.Debug(MODULE_NAME, Localization.Found_REM_DISC_HASHES_at_line_0, lineNumber);
inTruripDiscHash = true;
}
else if(matchTruripTrack.Success)
{
AaruLogging.Debug(MODULE_NAME,
Localization.Found_REM_Gap_Append_Method_1_2_HASHES_at_line_0,
lineNumber,
matchTruripTrack.Groups[1].Value,
matchTruripTrack.Groups[2].Value);
inTruripTrackHash = true;
_discImage.IsTrurip = true;
}
else if(matchComment.Success)
{
AaruLogging.Debug(MODULE_NAME, Localization.Found_REM_at_line_0, lineNumber);
if(_discImage.Comment == "")
_discImage.Comment = matchComment.Groups[1].Value; // First comment
else
{
_discImage.Comment +=
Environment.NewLine + matchComment.Groups[1].Value; // Append new comments as new lines
}
}
else
{
matchTrack = regexTrack.Match(line);
Match matchTitle = regexTitle.Match(line);
Match matchSongWriter = regexSongWriter.Match(line);
Match matchPregap = regexPregap.Match(line);
Match matchPostgap = regexPostgap.Match(line);
Match matchPerformer = regexPerformer.Match(line);
Match matchMcn = regexMcn.Match(line);
Match matchIsrc = regexIsrc.Match(line);
Match matchIndex = regexIndex.Match(line);
Match matchGenre = regexGenre.Match(line);
Match matchFlags = regexFlags.Match(line);
Match matchFile = regexFile.Match(line);
Match matchDiskId = regexDiskId.Match(line);
Match matchComposer = regexComposer.Match(line);
Match matchCdText = regexCdText.Match(line);
Match matchBarCode = regexBarCode.Match(line);
Match matchArranger = regexArranger.Match(line);
if(matchArranger.Success)
{
AaruLogging.Debug(MODULE_NAME, Localization.Found_ARRANGER_at_line_0, lineNumber);
if(inTrack)
currentTrack.Arranger = matchArranger.Groups[1].Value;
else
_discImage.Arranger = matchArranger.Groups[1].Value;
}
else if(matchBarCode.Success)
{
AaruLogging.Debug(MODULE_NAME, Localization.Found_UPC_EAN_at_line_0, lineNumber);
if(!inTrack)
_discImage.Barcode = matchBarCode.Groups[1].Value;
else
{
AaruLogging.Error(string.Format(Localization
.Found_barcode_field_in_incorrect_place_at_line_0,
lineNumber));
return ErrorNumber.InvalidArgument;
}
}
else if(matchCdText.Success)
{
AaruLogging.Debug(MODULE_NAME, Localization.Found_CDTEXTFILE_at_line_0, lineNumber);
if(!inTrack)
_discImage.CdTextFile = matchCdText.Groups[1].Value;
else
{
AaruLogging.Error(string.Format(Localization
.Found_CD_Text_file_field_in_incorrect_place_at_line_0,
lineNumber));
return ErrorNumber.InvalidArgument;
}
}
else if(matchComposer.Success)
{
AaruLogging.Debug(MODULE_NAME, Localization.Found_COMPOSER_at_line_0, lineNumber);
if(inTrack)
currentTrack.Composer = matchComposer.Groups[1].Value;
else
_discImage.Composer = matchComposer.Groups[1].Value;
}
else if(matchDiskId.Success)
{
AaruLogging.Debug(MODULE_NAME, Localization.Found_DISC_ID_at_line_0, lineNumber);
if(!inTrack)
_discImage.DiscId = matchDiskId.Groups[1].Value;
else
{
AaruLogging.Error(string.Format(Localization
.Found_CDDB_ID_field_in_incorrect_place_at_line_0,
lineNumber));
return ErrorNumber.InvalidArgument;
}
}
else if(matchFile.Success)
{
AaruLogging.Debug(MODULE_NAME, Localization.Found_FILE_at_line_0, lineNumber);
if(currentTrack.Sequence != 0)
{
currentFile.Sequence = currentTrack.Sequence;
currentTrack.TrackFile = currentFile;
_negativeEnd = currentFile.DataFilter.Length - (long)currentFile.Offset < 0;
currentTrack.Sectors = ((ulong)currentFile.DataFilter.Length - currentFile.Offset) /
CdrWinTrackTypeToBytesPerSector(currentTrack.TrackType);
cueTracks[currentTrack.Sequence - 1] = currentTrack;
inTrack = false;
currentTrack = new CdrWinTrack();
currentFile = new CdrWinTrackFile();
}
string datafile = matchFile.Groups[1].Value;
currentFile.FileType = matchFile.Groups[2].Value;
// Check if file path is quoted
if(datafile[0] == '"' && datafile[^1] == '"')
datafile = datafile.Substring(1, datafile.Length - 2); // Unquote it
currentFile.DataFilter = PluginRegister.Singleton.GetFilter(datafile);
// Check if file exists
if(currentFile.DataFilter == null)
{
if(datafile[0] == '/' || datafile[0] == '/' && datafile[1] == '.') // UNIX absolute path
{
var unixPath = new Regex("^(.+)/([^/]+)$");
Match unixPathMatch = unixPath.Match(datafile);
if(unixPathMatch.Success)
{
currentFile.DataFilter =
PluginRegister.Singleton.GetFilter(unixPathMatch.Groups[1].Value);
if(currentFile.DataFilter == null)
{
string path = imageFilter.ParentFolder +
Path.PathSeparator +
unixPathMatch.Groups[1].Value;
currentFile.DataFilter = PluginRegister.Singleton.GetFilter(path);
if(currentFile.DataFilter == null)
{
AaruLogging.Error(string.Format(Localization.File_0_not_found,
matchFile.Groups[1].Value));
return ErrorNumber.NoSuchFile;
}
}
}
else
{
AaruLogging.Error(string.Format(Localization.File_0_not_found,
matchFile.Groups[1].Value));
return ErrorNumber.NoSuchFile;
}
}
else if(datafile[1] == ':' && datafile[2] == '\\' ||
datafile[0] == '\\' && datafile[1] == '\\' ||
datafile[0] == '.' && datafile[1] == '\\') // Windows absolute path
{
var winPath =
new
Regex("^(?:[a-zA-Z]\\:(\\\\|\\/)|file\\:\\/\\/|\\\\\\\\|\\.(\\/|\\\\))([^\\\\\\/\\:\\*\\?\\<\\>\\\"\\|]+(\\\\|\\/){0,1})+$");
Match winPathMatch = winPath.Match(datafile);
if(winPathMatch.Success)
{
currentFile.DataFilter =
PluginRegister.Singleton.GetFilter(winPathMatch.Groups[1].Value);
if(currentFile.DataFilter == null)
{
string path = imageFilter.ParentFolder +
Path.PathSeparator +
winPathMatch.Groups[1].Value;
currentFile.DataFilter = PluginRegister.Singleton.GetFilter(path);
if(currentFile.DataFilter == null)
{
AaruLogging.Error(string.Format(Localization.File_0_not_found,
matchFile.Groups[1].Value));
return ErrorNumber.NoSuchFile;
}
}
}
else
{
AaruLogging.Error(string.Format(Localization.File_0_not_found,
matchFile.Groups[1].Value));
return ErrorNumber.NoSuchFile;
}
}
else
{
string path = imageFilter.ParentFolder + Path.PathSeparator + datafile;
currentFile.DataFilter = PluginRegister.Singleton.GetFilter(path);
if(currentFile.DataFilter == null)
{
AaruLogging.Error(string.Format(Localization.File_0_not_found,
matchFile.Groups[1].Value));
return ErrorNumber.NoSuchFile;
}
}
}
// File does exist, process it
AaruLogging.Debug(MODULE_NAME, Localization.File_0_found, currentFile.DataFilter.Filename);
switch(currentFile.FileType)
{
case CDRWIN_DISK_TYPE_LITTLE_ENDIAN:
break;
case CDRWIN_DISK_TYPE_BIG_ENDIAN:
case CDRWIN_DISK_TYPE_AIFF:
case CDRWIN_DISK_TYPE_RIFF:
case CDRWIN_DISK_TYPE_MP3:
AaruLogging.Error(string.Format(Localization.Unsupported_file_type_0,
currentFile.FileType));
return ErrorNumber.NotImplemented;
default:
AaruLogging.Error(string.Format(Localization.Unknown_file_type_0,
currentFile.FileType));
return ErrorNumber.InvalidArgument;
}
currentFile.Offset = 0;
currentFile.Sequence = 0;
}
else if(matchFlags.Success)
{
AaruLogging.Debug(MODULE_NAME, Localization.Found_FLAGS_at_line_0, lineNumber);
if(!inTrack)
{
AaruLogging.Error(string.Format(Localization.Found_FLAGS_field_in_incorrect_place_at_line_0,
lineNumber));
return ErrorNumber.InvalidArgument;
}
currentTrack.FlagDcp |= matchFlags.Groups["dcp"].Value == "DCP";
currentTrack.Flag4Ch |= matchFlags.Groups["quad"].Value == "4CH";
currentTrack.FlagPre |= matchFlags.Groups["pre"].Value == "PRE";
currentTrack.FlagScms |= matchFlags.Groups["scms"].Value == "SCMS";
}
else if(matchGenre.Success)
{
AaruLogging.Debug(MODULE_NAME, Localization.Found_GENRE_at_line_0, lineNumber);
if(inTrack)
currentTrack.Genre = matchGenre.Groups[1].Value;
else
_discImage.Genre = matchGenre.Groups[1].Value;
}
else if(matchIndex.Success)
{
AaruLogging.Debug(MODULE_NAME, Localization.Found_INDEX_at_line_0, lineNumber);
if(!inTrack)
{
AaruLogging.Error(string.Format(Localization.Found_INDEX_before_a_track_0, lineNumber));
return ErrorNumber.InvalidArgument;
}
var index = ushort.Parse(matchIndex.Groups[1].Value);
int offset = CdrWinMsfToLba(matchIndex.Groups[2].Value) + cumulativeEmptyPregap;
if(index != 0 && index != 1 && currentTrack.Indexes.Count == 0)
{
AaruLogging.Error(string.Format(Localization.Found_INDEX_0_before_INDEX_00_or_INDEX_01,
index));
return ErrorNumber.InvalidArgument;
}
if(index == 0 || index == 1 && !currentTrack.Indexes.ContainsKey(0))
{
if((int)(currentTrack.Sequence - 2) >= 0 && offset > 1)
{
cueTracks[currentTrack.Sequence - 2].Sectors =
(ulong)(offset - (int)currentFileOffsetSector);
currentFile.Offset += cueTracks[currentTrack.Sequence - 2].Sectors *
cueTracks[currentTrack.Sequence - 2].Bps;
AaruLogging.Debug(MODULE_NAME,
Localization.Sets_currentFile_offset_to_0,
currentFile.Offset);
AaruLogging.Debug(MODULE_NAME,
"cueTracks[currentTrack.sequence-2].sectors = {0}",
cueTracks[currentTrack.Sequence - 2].Sectors);
AaruLogging.Debug(MODULE_NAME,
"cueTracks[currentTrack.sequence-2].bps = {0}",
cueTracks[currentTrack.Sequence - 2].Bps);
}
}
if((index == 0 || index == 1 && !currentTrack.Indexes.ContainsKey(0)) &&
currentTrack.Sequence == 1)
{
AaruLogging.Debug(MODULE_NAME,
Localization.Sets_currentFile_offset_to_0,
offset * currentTrack.Bps);
currentFile.Offset = (ulong)(offset * currentTrack.Bps);
}
if(currentTrack.Indexes.Count == 0)
{
if(firstTrackInSession && index != 0 && offset > 150)
{
currentTrack.Indexes[0] = offset - 150;
firstTrackInSession = false;
currentFileOffsetSector = offset - 150;
currentFile.Offset -= (ulong)(150 * currentTrack.Bps);
}
else
currentFileOffsetSector = offset;
}
if(index == 1 && currentEmptyPregap > 0 && !currentTrack.Indexes.ContainsKey(0))
{
currentTrack.Indexes[0] = offset;
currentFile.Offset -= (ulong)(currentEmptyPregap * currentTrack.Bps);
offset += currentEmptyPregap;
cumulativeEmptyPregap += currentEmptyPregap;
currentEmptyPregap = 0;
}
currentTrack.Indexes.Add(index, offset);
}
else if(matchIsrc.Success)
{
AaruLogging.Debug(MODULE_NAME, Localization.Found_ISRC_at_line_0, lineNumber);
if(!inTrack)
{
AaruLogging.Error(string.Format(Localization.Found_ISRC_before_a_track_0, lineNumber));
return ErrorNumber.InvalidArgument;
}
currentTrack.Isrc = matchIsrc.Groups[1].Value;
}
else if(matchMcn.Success)
{
AaruLogging.Debug(MODULE_NAME, Localization.Found_CATALOG_at_line_0, lineNumber);
if(!inTrack)
_discImage.Mcn = matchMcn.Groups[1].Value;
else
{
AaruLogging.Error(string.Format(Localization
.Found_CATALOG_field_in_incorrect_place_at_line_0,
lineNumber));
return ErrorNumber.InvalidArgument;
}
}
else if(matchPerformer.Success)
{
AaruLogging.Debug(MODULE_NAME, Localization.Found_PERFORMER_at_line_0, lineNumber);
if(inTrack)
currentTrack.Performer = matchPerformer.Groups[1].Value;
else
_discImage.Performer = matchPerformer.Groups[1].Value;
}
else if(matchPostgap.Success)
{
AaruLogging.Debug(MODULE_NAME, Localization.Found_POSTGAP_at_line_0, lineNumber);
if(inTrack)
currentTrack.Postgap = CdrWinMsfToLba(matchPostgap.Groups[1].Value);
else
{
AaruLogging.Error(string.Format(Localization.Found_POSTGAP_field_before_a_track_at_line_0,
lineNumber));
return ErrorNumber.InvalidArgument;
}
}
else if(matchPregap.Success)
{
AaruLogging.Debug(MODULE_NAME, Localization.Found_PREGAP_at_line_0, lineNumber);
if(!inTrack)
{
AaruLogging.Error(string.Format(Localization.Found_PREGAP_field_before_a_track_at_line_0,
lineNumber));
return ErrorNumber.InvalidArgument;
}
currentEmptyPregap = CdrWinMsfToLba(matchPregap.Groups[1].Value);
}
else if(matchSongWriter.Success)
{
AaruLogging.Debug(MODULE_NAME, Localization.Found_SONGWRITER_at_line_0, lineNumber);
if(inTrack)
currentTrack.Songwriter = matchSongWriter.Groups[1].Value;
else
_discImage.Songwriter = matchSongWriter.Groups[1].Value;
}
else if(matchTitle.Success)
{
AaruLogging.Debug(MODULE_NAME, Localization.Found_TITLE_at_line_0, lineNumber);
if(inTrack)
currentTrack.Title = matchTitle.Groups[1].Value;
else
_discImage.Title = matchTitle.Groups[1].Value;
}
else if(matchTrack.Success)
{
AaruLogging.Debug(MODULE_NAME, Localization.Found_TRACK_at_line_0, lineNumber);
if(currentFile.DataFilter == null)
{
AaruLogging.Error(string.Format(Localization
.Found_TRACK_field_before_a_file_is_defined_at_line_0,
lineNumber));
return ErrorNumber.InvalidArgument;
}
if(inTrack)
{
if(currentTrack.Indexes.ContainsKey(0) && currentTrack.Pregap == 0)
currentTrack.Indexes.TryGetValue(0, out currentTrack.Pregap);
currentFile.Sequence = currentTrack.Sequence;
currentTrack.TrackFile = currentFile;
cueTracks[currentTrack.Sequence - 1] = currentTrack;
}
currentTrack = new CdrWinTrack
{
Indexes = new SortedDictionary<ushort, int>(),
Sequence = uint.Parse(matchTrack.Groups[1].Value)
};
AaruLogging.Debug(MODULE_NAME,
Localization.Setting_currentTrack_sequence_to_0,
currentTrack.Sequence);
currentFile.Sequence = currentTrack.Sequence;
currentTrack.Bps = CdrWinTrackTypeToBytesPerSector(matchTrack.Groups[2].Value);
currentTrack.TrackType = matchTrack.Groups[2].Value.ToUpperInvariant();
currentTrack.Session = currentSession;
inTrack = true;
}
else if(line.Contains("INDEX 01 00:-2:00"))
{
AaruLogging.Error(Localization
.This_image_from_PowerISO_is_damaged_beyond_possible_recovery_Will_not_open);
return ErrorNumber.InvalidArgument;
}
else if(line == "") // Empty line, ignore it
{}
else // Non-empty unknown field
{
AaruLogging.Error(string.Format(Localization.Found_unknown_field_defined_at_line_0_1,
lineNumber,
line));
return ErrorNumber.NotSupported;
}
}
}
if(currentTrack.Sequence != 0)
{
currentFile.Sequence = currentTrack.Sequence;
currentTrack.TrackFile = currentFile;
_negativeEnd = currentFile.DataFilter.Length - (long)currentFile.Offset < 0;
currentTrack.Sectors = ((ulong)currentFile.DataFilter.Length - currentFile.Offset) /
CdrWinTrackTypeToBytesPerSector(currentTrack.TrackType);
cueTracks[currentTrack.Sequence - 1] = currentTrack;
}
if(_negativeEnd)
{
string firstFile = cueTracks[0].TrackFile.DataFilter.Path;
if(cueTracks.Any(t => t.Session > 1 || t.TrackFile.DataFilter.Path != firstFile) ||
cueTracks[0].Indexes.ContainsKey(0))
{
AaruLogging.Error(Localization
.The_data_files_are_not_correct_according_to_the_cuesheet_file_cannot_continue_with_this_file);
return ErrorNumber.InvalidArgument;
}
cueTracks[0].Pregap = cueTracks[0].Indexes[1];
int reduceOffset = cueTracks[0].Pregap * cueTracks[0].Bps;
foreach(CdrWinTrack track in cueTracks) track.TrackFile.Offset -= (ulong)reduceOffset;
if(currentFile.DataFilter.Length - (long)cueTracks[currentTrack.Sequence - 1].TrackFile.Offset < 0)
{
AaruLogging.Error(Localization
.The_data_files_are_not_correct_according_to_the_cuesheet_file_cannot_continue_with_this_file);
return ErrorNumber.InvalidArgument;
}
cueTracks[currentTrack.Sequence - 1].Sectors =
((ulong)currentFile.DataFilter.Length - cueTracks[currentTrack.Sequence - 1].TrackFile.Offset) /
cueTracks[currentTrack.Sequence - 1].Bps;
cueTracks[0].Indexes[0] = 0;
_lostPregap = (uint)cueTracks[0].Pregap;
cueTracks[0].Sectors += _lostPregap;
AaruLogging.Error(Localization
.The_data_files_are_missing_a_pregap_or_hidden_track_contents_will_do_best_effort_to_make_the_rest_of_the_image_readable);
}
var sessions = new Session[currentSession];
for(var s = 1; s <= sessions.Length; s++)
{
var firstTrackRead = false;
sessions[s - 1].Sequence = (ushort)s;
ulong sessionSectors = 0;
var lastSessionTrack = 0;
var firstSessionTrk = 0;
for(var i = 0; i < cueTracks.Length; i++)
{
if(cueTracks[i].Session != s) continue;
if(!firstTrackRead)
{
firstSessionTrk = i;
firstTrackRead = true;
}
sessionSectors += cueTracks[i].Sectors;
if(i > lastSessionTrack) lastSessionTrack = i;
}
if(s > 1)
{
if(_discImage.IsRedumpGigadisc)
sessions[s - 1].StartSector = gdRomSession2Offset;
else
sessions[s - 1].StartSector = sessions[s - 2].EndSector + 1;
}
else
sessions[s - 1].StartSector = 0;
sessions[s - 1].StartTrack = cueTracks[firstSessionTrk].Sequence;
sessions[s - 1].EndTrack = cueTracks[lastSessionTrack].Sequence;
if(leadouts.TryGetValue((byte)s, out int leadout))
{
sessions[s - 1].EndSector = (ulong)(leadout - 1);
if(!cueTracks[lastSessionTrack].Indexes.TryGetValue(0, out int startSector))
cueTracks[lastSessionTrack].Indexes.TryGetValue(1, out startSector);
cueTracks[lastSessionTrack].Sectors = (ulong)(leadout - startSector);
}
else
sessions[s - 1].EndSector = sessions[s - 1].StartSector + sessionSectors - 1;
CdrWinTrack firstSessionTrack = cueTracks.OrderBy(static t => t.Sequence).First(t => t.Session == s);
firstSessionTrack.Indexes.TryGetValue(0, out firstSessionTrack.Pregap);
if(firstSessionTrack.Pregap < 150) firstSessionTrack.Pregap = 150;
if(cueTracks.Any(i => i.TrackFile.DataFilter.Filename !=
cueTracks.First().TrackFile.DataFilter.Filename))
continue;
if(firstSessionTrack.Indexes.TryGetValue(0, out int sessionStart))
{
sessions[s - 1].StartSector = (ulong)sessionStart;
continue;
}
if(firstSessionTrack.Indexes.TryGetValue(1, out sessionStart))
sessions[s - 1].StartSector = (ulong)sessionStart;
}
for(var t = 1; t <= cueTracks.Length; t++)
{
if(cueTracks[t - 1].Indexes.TryGetValue(0, out int idx0) &&
cueTracks[t - 1].Indexes.TryGetValue(1, out int idx1))
cueTracks[t - 1].Pregap = idx1 - idx0;
_discImage.Tracks.Add(cueTracks[t - 1]);
}
// MagicISO writes 2048 bytes per data, sets Cuesheet as 2352, and fill the images with empty data.
if(_discImage.Tracks.Count == 1 && _discImage.Tracks[0].TrackType == "MODE1/2352")
{
Stream track1Stream = _discImage.Tracks[0].TrackFile.DataFilter.GetDataForkStream();
var foundSync = true;
var rnd = new Random();
// We check 32 random positions, to prevent coincidence of data
for(var i = 0; i < 32; i++)
{
int next = rnd.Next(cueTracks[^1].Indexes[1]);
track1Stream.Position = next * 2352;
var data = new byte[16];
track1Stream.EnsureRead(data, 0, 16);
// If the position is not MODEx/2352, it can't be a correct Cuesheet.
if(data[0x000] == 0x00 &&
data[0x001] == 0xFF &&
data[0x002] == 0xFF &&
data[0x003] == 0xFF &&
data[0x004] == 0xFF &&
data[0x005] == 0xFF &&
data[0x006] == 0xFF &&
data[0x007] == 0xFF &&
data[0x008] == 0xFF &&
data[0x009] == 0xFF &&
data[0x00A] == 0xFF &&
data[0x00B] == 0x00)
continue;
foundSync = false;
break;
}
if(!foundSync)
{
_discImage.Tracks[0].Pregap = 0;
_discImage.Tracks[0].Bps = 2048;
_discImage.Tracks[0].TrackType = CDRWIN_TRACK_TYPE_MODE1;
_imageInfo.Application = "MagicISO";
_discImage.MediaType = MediaType.DVDROM;
AaruLogging.Error(Localization
.This_image_is_most_probably_corrupted_beyond_repair_It_is_highly_recommended_to_dump_it_with_another_software);
}
}
if(!string.IsNullOrWhiteSpace(_discImage.AaruMediaType) &&
Enum.TryParse(_discImage.AaruMediaType, true, out MediaType mediaType))
_discImage.MediaType = mediaType;
else if(_discImage.IsRedumpGigadisc)
_discImage.MediaType = MediaType.GDROM;
else if(_discImage.MediaType == MediaType.Unknown)
_discImage.MediaType = CdrWinIsoBusterDiscTypeToMediaType(_discImage.OriginalMediaType);
if(_discImage.MediaType is MediaType.Unknown or MediaType.CD)
{
var data = false;
var cdg = false;
var cdi = false;
var mode2 = false;
var firstAudio = false;
var firstData = false;
var audio = false;
for(var i = 0; i < _discImage.Tracks.Count; i++)
{
// First track is audio
firstAudio |= i == 0 && _discImage.Tracks[i].TrackType == CDRWIN_TRACK_TYPE_AUDIO;
// First track is data
firstData |= i == 0 && _discImage.Tracks[i].TrackType != CDRWIN_TRACK_TYPE_AUDIO;
// Any non first track is data
data |= i != 0 && _discImage.Tracks[i].TrackType != CDRWIN_TRACK_TYPE_AUDIO;
// Any non first track is audio
audio |= i != 0 && _discImage.Tracks[i].TrackType == CDRWIN_TRACK_TYPE_AUDIO;
switch(_discImage.Tracks[i].TrackType)
{
case CDRWIN_TRACK_TYPE_CDG:
cdg = true;
break;
case CDRWIN_TRACK_TYPE_CDI:
case CDRWIN_TRACK_TYPE_CDI_RAW:
cdi = true;
break;
case CDRWIN_TRACK_TYPE_MODE2_FORM1:
case CDRWIN_TRACK_TYPE_MODE2_FORM2:
case CDRWIN_TRACK_TYPE_MODE2_FORMLESS:
case CDRWIN_TRACK_TYPE_MODE2_RAW:
mode2 = true;
break;
}
}
if(!data && !firstData)
_discImage.MediaType = MediaType.CDDA;
else if(cdg)
_discImage.MediaType = MediaType.CDG;
else if(cdi)
_discImage.MediaType = MediaType.CDI;
else if(firstAudio && data && sessions.Length > 1 && mode2)
_discImage.MediaType = MediaType.CDPLUS;
else if(firstData && audio || mode2)
_discImage.MediaType = MediaType.CDROMXA;
else if(!audio)
_discImage.MediaType = MediaType.CDROM;
else
_discImage.MediaType = MediaType.CD;
}
// DEBUG information
AaruLogging.Debug(MODULE_NAME, Localization.Disc_image_parsing_results);
AaruLogging.Debug(MODULE_NAME, Localization.Disc_CD_TEXT);
if(_discImage.Arranger == null)
AaruLogging.Debug(MODULE_NAME, "\t" + Localization.Arranger_is_not_set);
else
AaruLogging.Debug(MODULE_NAME, "\t" + Localization.Arranger_0, _discImage.Arranger);
if(_discImage.Composer == null)
AaruLogging.Debug(MODULE_NAME, "\t" + Localization.Composer_is_not_set);
else
AaruLogging.Debug(MODULE_NAME, "\t" + Localization.Composer_0, _discImage.Composer);
if(_discImage.Genre == null)
AaruLogging.Debug(MODULE_NAME, "\t" + Localization.Genre_is_not_set);
else
AaruLogging.Debug(MODULE_NAME, "\t" + Localization.Genre_0, _discImage.Genre);
if(_discImage.Performer == null)
AaruLogging.Debug(MODULE_NAME, "\t" + Localization.Performer_is_not_set);
else
AaruLogging.Debug(MODULE_NAME, "\t" + Localization.Performer_0, _discImage.Performer);
if(_discImage.Songwriter == null)
AaruLogging.Debug(MODULE_NAME, "\t" + Localization.Songwriter_is_not_set);
else
AaruLogging.Debug(MODULE_NAME, "\t" + Localization.Songwriter_0, _discImage.Songwriter);
if(_discImage.Title == null)
AaruLogging.Debug(MODULE_NAME, "\t" + Localization.Title_is_not_set);
else
AaruLogging.Debug(MODULE_NAME, "\t" + Localization.Title_0, _discImage.Title);
if(_discImage.CdTextFile == null)
AaruLogging.Debug(MODULE_NAME, "\t" + Localization.CD_TEXT_binary_file_not_set);
else
AaruLogging.Debug(MODULE_NAME, "\t" + Localization.CD_TEXT_binary_file_0, _discImage.CdTextFile);
AaruLogging.Debug(MODULE_NAME, Localization.Disc_information);
if(_discImage.OriginalMediaType == null)
AaruLogging.Debug(MODULE_NAME, "\t" + Localization.ISOBuster_disc_type_not_set);
else
AaruLogging.Debug(MODULE_NAME, "\t" + Localization.ISOBuster_disc_type_0, _discImage.OriginalMediaType);
AaruLogging.Debug(MODULE_NAME, "\t" + Localization.Guessed_disk_type_0, _discImage.MediaType);
if(_discImage.Barcode == null)
AaruLogging.Debug(MODULE_NAME, "\t" + Localization.Barcode_not_set);
else
AaruLogging.Debug(MODULE_NAME, "\t" + Localization.Barcode_0, _discImage.Barcode);
if(_discImage.DiscId == null)
AaruLogging.Debug(MODULE_NAME, "\t" + Localization.Disc_ID_not_set);
else
AaruLogging.Debug(MODULE_NAME, "\t" + Localization.Disc_ID_0, _discImage.DiscId);
if(_discImage.Mcn == null)
AaruLogging.Debug(MODULE_NAME, "\t" + Localization.MCN_not_set);
else
AaruLogging.Debug(MODULE_NAME, "\t" + Localization.MCN_0, _discImage.Mcn);
if(_discImage.Comment == null)
AaruLogging.Debug(MODULE_NAME, "\t" + Localization.Comment_not_set);
else
AaruLogging.Debug(MODULE_NAME, "\t" + Localization.Comment_0, _discImage.Comment);
AaruLogging.Debug(MODULE_NAME, Localization.Track_information);
AaruLogging.Debug(MODULE_NAME, "\t" + Localization.Disc_contains_0_tracks, _discImage.Tracks.Count);
foreach(CdrWinTrack t in _discImage.Tracks)
{
AaruLogging.Debug(MODULE_NAME, "\t" + Localization.Track_0_information, t.Sequence);
AaruLogging.Debug(MODULE_NAME, "\t\t" + Localization._0_bytes_per_sector, t.Bps);
AaruLogging.Debug(MODULE_NAME, "\t\t" + Localization.Pregap_0_sectors, t.Pregap);
AaruLogging.Debug(MODULE_NAME, "\t\t" + Localization.Data_0_sectors, t.Sectors);
AaruLogging.Debug(MODULE_NAME, "\t\t" + Localization.Postgap_0_sectors, t.Postgap);
if(t.Flag4Ch) AaruLogging.Debug(MODULE_NAME, "\t\t" + Localization.Track_is_flagged_as_quadraphonic);
if(t.FlagDcp) AaruLogging.Debug(MODULE_NAME, "\t\t" + Localization.Track_allows_digital_copy);
if(t.FlagPre) AaruLogging.Debug(MODULE_NAME, "\t\t" + Localization.Track_has_pre_emphasis_applied);
if(t.FlagScms) AaruLogging.Debug(MODULE_NAME, "\t\t" + Localization.Track_has_SCMS);
AaruLogging.Debug(MODULE_NAME,
"\t\t" + Localization.Track_resides_in_file_0_type_defined_as_1_starting_at_byte_2,
t.TrackFile.DataFilter.Filename,
t.TrackFile.FileType,
t.TrackFile.Offset);
AaruLogging.Debug(MODULE_NAME, "\t\t" + Localization.Indexes);
foreach(KeyValuePair<ushort, int> kvp in t.Indexes)
{
AaruLogging.Debug(MODULE_NAME,
"\t\t\t" + Localization.Index_0_starts_at_sector_1,
kvp.Key,
kvp.Value);
}
if(t.Isrc == null)
AaruLogging.Debug(MODULE_NAME, "\t\t" + Localization.ISRC_is_not_set);
else
AaruLogging.Debug(MODULE_NAME, "\t\t" + Localization.ISRC_0, t.Isrc);
if(t.Arranger == null)
AaruLogging.Debug(MODULE_NAME, "\t\t" + Localization.Arranger_is_not_set);
else
AaruLogging.Debug(MODULE_NAME, "\t\t" + Localization.Arranger_0, t.Arranger);
if(t.Composer == null)
AaruLogging.Debug(MODULE_NAME, "\t\t" + Localization.Composer_is_not_set);
else
AaruLogging.Debug(MODULE_NAME, "\t\t" + Localization.Composer_0, t.Composer);
if(t.Genre == null)
AaruLogging.Debug(MODULE_NAME, "\t\t" + Localization.Genre_is_not_set);
else
AaruLogging.Debug(MODULE_NAME, "\t\t" + Localization.Genre_0, t.Genre);
if(t.Performer == null)
AaruLogging.Debug(MODULE_NAME, "\t\t" + Localization.Performer_is_not_set);
else
AaruLogging.Debug(MODULE_NAME, "\t\t" + Localization.Performer_0, t.Performer);
if(t.Songwriter == null)
AaruLogging.Debug(MODULE_NAME, "\t\t" + Localization.Songwriter_is_not_set);
else
AaruLogging.Debug(MODULE_NAME, "\t\t" + Localization.Songwriter_0, t.Songwriter);
if(t.Title == null)
AaruLogging.Debug(MODULE_NAME, "\t\t" + Localization.Title_is_not_set);
else
AaruLogging.Debug(MODULE_NAME, "\t\t" + Localization.Title_0, t.Title);
}
foreach(CdrWinTrack track in _discImage.Tracks) _imageInfo.ImageSize += track.Bps * track.Sectors;
var currentSector = 0;
var currentFileStartSector = 0;
var currentFilePath = "";
firstTrackInSession = true;
foreach(CdrWinTrack track in _discImage.Tracks)
{
if(track.TrackFile.DataFilter.BasePath != currentFilePath)
{
if(_discImage.IsRedumpGigadisc && track.Session == 2 && firstTrackInSession)
{
currentSector = (int)gdRomSession2Offset - track.Pregap;
track.Indexes.Add(0, 0);
track.Indexes[1] = track.Pregap;
track.Sectors += (ulong)track.Pregap;
firstTrackInSession = false;
}
currentFileStartSector = currentSector;
currentFilePath = track.TrackFile.DataFilter.BasePath;
}
SortedDictionary<ushort, int> newIndexes = new();
foreach(KeyValuePair<ushort, int> index in track.Indexes)
newIndexes[index.Key] = index.Value + currentFileStartSector;
track.Indexes = newIndexes;
currentSector += (int)track.Sectors;
}
for(var s = 0; s < sessions.Length; s++)
{
if(!_discImage.Tracks[(int)sessions[s].StartTrack - 1]
.Indexes.TryGetValue(0, out int sessionTrackStart))
_discImage.Tracks[(int)sessions[s].StartTrack - 1].Indexes.TryGetValue(1, out sessionTrackStart);
sessions[s].StartSector = (ulong)(sessionTrackStart > 0 ? sessionTrackStart : 0);
if(!_discImage.Tracks[(int)sessions[s].EndTrack - 1].Indexes.TryGetValue(0, out sessionTrackStart))
_discImage.Tracks[(int)sessions[s].EndTrack - 1].Indexes.TryGetValue(1, out sessionTrackStart);
sessions[s].EndSector = (ulong)(sessionTrackStart > 0 ? sessionTrackStart : 0);
sessions[s].EndSector += _discImage.Tracks[(int)sessions[s].EndTrack - 1].Sectors - 1;
}
for(var s = 1; s <= sessions.Length; s++) _discImage.Sessions.Add(sessions[s - 1]);
_imageInfo.Sectors = _discImage.Sessions.MaxBy(static s => s.EndSector).EndSector + 1;
AaruLogging.Debug(MODULE_NAME, Localization.Session_information);
AaruLogging.Debug(MODULE_NAME, "\t" + Localization.Disc_contains_0_sessions, _discImage.Sessions.Count);
for(var i = 0; i < _discImage.Sessions.Count; i++)
{
AaruLogging.Debug(MODULE_NAME, "\t" + Localization.Session_0_information, i + 1);
AaruLogging.Debug(MODULE_NAME,
"\t\t" + Localization.Starting_track_0,
_discImage.Sessions[i].StartTrack);
AaruLogging.Debug(MODULE_NAME,
"\t\t" + Localization.Starting_sector_0,
_discImage.Sessions[i].StartSector);
AaruLogging.Debug(MODULE_NAME, "\t\t" + Localization.Ending_track_0, _discImage.Sessions[i].EndTrack);
AaruLogging.Debug(MODULE_NAME, "\t\t" + Localization.Ending_sector_0, _discImage.Sessions[i].EndSector);
}
AaruLogging.Debug(MODULE_NAME, Localization.Building_offset_map);
Partitions = [];
ulong partitionSequence = 0;
_offsetMap = new Dictionary<uint, ulong>();
for(var i = 0; i < _discImage.Tracks.Count; i++)
{
if(_discImage.Tracks[i].Sequence == 1 && i != 0)
{
AaruLogging.Error(Localization.Unordered_tracks);
return ErrorNumber.InvalidArgument;
}
var partition = new Partition();
if(!_discImage.Tracks[i].Indexes.TryGetValue(1, out _))
{
AaruLogging.Error(string.Format(Localization.Track_0_lacks_index_01,
_discImage.Tracks[i].Sequence));
return ErrorNumber.InvalidArgument;
}
// Index 01
partition.Description = string.Format(Localization.Track_0, _discImage.Tracks[i].Sequence);
partition.Name = _discImage.Tracks[i].Title;
partition.Start = (ulong)_discImage.Tracks[i].Indexes[1];
partition.Size = _discImage.Tracks[i].Sectors * _discImage.Tracks[i].Bps;
partition.Length = _discImage.Tracks[i].Sectors;
partition.Sequence = partitionSequence;
partition.Offset = partition.Start * 2352;
partition.Type = _discImage.Tracks[i].TrackType;
partitionSequence++;
if(_discImage.IsRedumpGigadisc && _discImage.Tracks[i].Sequence == 3)
{
_offsetMap.Add(_discImage.Tracks[i].Sequence,
gdRomSession2Offset - (ulong)_discImage.Tracks[i].Pregap);
}
else if(_discImage.Tracks[i].Indexes.TryGetValue(0, out int idx0))
_offsetMap.Add(_discImage.Tracks[i].Sequence, (ulong)idx0);
else if(_discImage.Tracks[i].Sequence > 1)
{
_offsetMap.Add(_discImage.Tracks[i].Sequence,
(ulong)(_discImage.Tracks[i].Indexes[1] - _discImage.Tracks[i].Pregap));
}
else
_offsetMap.Add(_discImage.Tracks[i].Sequence, (ulong)_discImage.Tracks[i].Indexes[1]);
Partitions.Add(partition);
}
// Print offset map
AaruLogging.Debug(MODULE_NAME, Localization.printing_partition_map);
foreach(Partition partition in Partitions)
{
AaruLogging.Debug(MODULE_NAME, Localization.Partition_sequence_0, partition.Sequence);
AaruLogging.Debug(MODULE_NAME, "\t" + Localization.Partition_name_0, partition.Name);
AaruLogging.Debug(MODULE_NAME, "\t" + Localization.Partition_description_0, partition.Description);
AaruLogging.Debug(MODULE_NAME, "\t" + Localization.Partition_type_0, partition.Type);
AaruLogging.Debug(MODULE_NAME, "\t" + Localization.Partition_starting_sector_0, partition.Start);
AaruLogging.Debug(MODULE_NAME, "\t" + Localization.Partition_sectors_0, partition.Length);
AaruLogging.Debug(MODULE_NAME, "\t" + Localization.Partition_starting_offset_0, partition.Offset);
AaruLogging.Debug(MODULE_NAME, "\t" + Localization.Partition_size_in_bytes_0, partition.Size);
}
if(_discImage.MediaType != MediaType.CDROMXA &&
_discImage.MediaType != MediaType.CDDA &&
_discImage.MediaType != MediaType.CDI &&
_discImage.MediaType != MediaType.CDPLUS &&
_discImage.MediaType != MediaType.CDG &&
_discImage.MediaType != MediaType.CDEG &&
_discImage.MediaType != MediaType.CDMIDI &&
_discImage.MediaType != MediaType.GDROM)
_imageInfo.SectorSize = 2048; // Only data tracks
else
_imageInfo.SectorSize = 2352; // All others
if(_discImage.Mcn != null) _imageInfo.ReadableMediaTags.Add(MediaTagType.CD_MCN);
if(_discImage.CdTextFile != null) _imageInfo.ReadableMediaTags.Add(MediaTagType.CD_TEXT);
if(_imageInfo.Application is null)
{
if(_discImage.IsTrurip)
_imageInfo.Application = "trurip";
else if(_discImage.IsRedumpGigadisc)
_imageInfo.Application = "Redump.org";
// Detect ISOBuster extensions
else if(_discImage.OriginalMediaType != null ||
_discImage.Comment.Contains("isobuster", StringComparison.InvariantCultureIgnoreCase) ||
sessions.Length > 1)
_imageInfo.Application = "ISOBuster";
else
_imageInfo.Application = "CDRWin";
}
_imageInfo.CreationTime = imageFilter.CreationTime;
_imageInfo.LastModificationTime = imageFilter.LastWriteTime;
_imageInfo.Comments = _discImage.Comment;
_imageInfo.MediaSerialNumber = _discImage.Mcn;
_imageInfo.MediaBarcode = _discImage.Barcode;
_imageInfo.MediaType = _discImage.MediaType;
_imageInfo.ReadableSectorTags.Add(SectorTagType.CdTrackFlags);
foreach(CdrWinTrack track in _discImage.Tracks)
{
switch(track.TrackType)
{
case CDRWIN_TRACK_TYPE_AUDIO:
{
if(!_imageInfo.ReadableSectorTags.Contains(SectorTagType.CdTrackIsrc))
_imageInfo.ReadableSectorTags.Add(SectorTagType.CdTrackIsrc);
break;
}
case CDRWIN_TRACK_TYPE_CDG:
{
if(!_imageInfo.ReadableSectorTags.Contains(SectorTagType.CdTrackIsrc))
_imageInfo.ReadableSectorTags.Add(SectorTagType.CdTrackIsrc);
if(!_imageInfo.ReadableSectorTags.Contains(SectorTagType.CdSectorSubchannel))
_imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorSubchannel);
break;
}
case CDRWIN_TRACK_TYPE_MODE2_FORMLESS:
case CDRWIN_TRACK_TYPE_CDI:
{
if(!_imageInfo.ReadableSectorTags.Contains(SectorTagType.CdSectorSubHeader))
_imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorSubHeader);
if(!_imageInfo.ReadableSectorTags.Contains(SectorTagType.CdSectorEdc))
_imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorEdc);
break;
}
case CDRWIN_TRACK_TYPE_MODE2_RAW:
case CDRWIN_TRACK_TYPE_CDI_RAW:
{
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);
break;
}
case CDRWIN_TRACK_TYPE_MODE1_RAW:
{
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);
break;
}
}
}
_imageInfo.MetadataMediaType = MetadataMediaType.OpticalDisc;
AaruLogging.Verbose(Localization.CDRWIN_image_describes_a_disc_of_type_0, _imageInfo.MediaType);
if(!string.IsNullOrEmpty(_imageInfo.Comments))
AaruLogging.Verbose(Localization.CDRWIN_comments_0, _imageInfo.Comments);
_sectorBuilder = new SectorBuilder();
var mediaTypeAsInt = (int)_discImage.MediaType;
_isCd = mediaTypeAsInt is >= 10 and <= 39
or 112
or 113
or >= 150 and <= 152
or 154
or 155
or >= 171 and <= 179
or >= 740 and <= 749;
if(currentSession > 1 && leadouts.Count == 0 && !_discImage.IsRedumpGigadisc && _isCd)
{
AaruLogging.Error(Localization
.This_image_is_missing_vital_multi_session_data_and_cannot_be_read_correctly);
return ErrorNumber.InvalidArgument;
}
if(_discImage.Tracks.All(static t => t.Isrc == null))
_imageInfo.ReadableSectorTags.Remove(SectorTagType.CdTrackIsrc);
if(_isCd) return ErrorNumber.NoError;
_imageInfo.ReadableSectorTags.Remove(SectorTagType.CdSectorSync);
_imageInfo.ReadableSectorTags.Remove(SectorTagType.CdSectorHeader);
_imageInfo.ReadableSectorTags.Remove(SectorTagType.CdSectorSubHeader);
_imageInfo.ReadableSectorTags.Remove(SectorTagType.CdSectorEcc);
_imageInfo.ReadableSectorTags.Remove(SectorTagType.CdSectorEccP);
_imageInfo.ReadableSectorTags.Remove(SectorTagType.CdSectorEccQ);
_imageInfo.ReadableSectorTags.Remove(SectorTagType.CdSectorEdc);
_imageInfo.ReadableSectorTags.Remove(SectorTagType.CdTrackFlags);
_imageInfo.ReadableSectorTags.Remove(SectorTagType.CdTrackIsrc);
sessions = _discImage.Sessions.ToArray();
foreach(CdrWinTrack track in _discImage.Tracks)
{
track.Indexes.Remove(0);
track.Pregap = 0;
for(var s = 0; s < sessions.Length; s++)
{
if(sessions[s].Sequence <= 1 || track.Sequence != sessions[s].StartTrack) continue;
track.TrackFile.Offset += 307200;
track.Sectors -= 150;
sessions[s].StartSector = (ulong)track.Indexes[1];
}
}
_discImage.Sessions = sessions.ToList();
return ErrorNumber.NoError;
}
catch(Exception ex)
{
AaruLogging.Error(Localization.Exception_trying_to_identify_image_file_0, imageFilter.Filename);
AaruLogging.Exception(ex, Localization.Exception_trying_to_identify_image_file_0, imageFilter.Filename);
return ErrorNumber.UnexpectedException;
}
}
/// <inheritdoc />
public ErrorNumber ReadMediaTag(MediaTagType tag, out byte[] buffer)
{
buffer = null;
switch(tag)
{
case MediaTagType.CD_MCN:
{
if(_discImage.Mcn == null) return ErrorNumber.NoData;
buffer = Encoding.ASCII.GetBytes(_discImage.Mcn);
return ErrorNumber.NoError;
}
case MediaTagType.CD_TEXT:
{
// TODO: Check binary text file exists, open it, read it, send it to caller.
return _discImage.CdTextFile != null ? ErrorNumber.NotImplemented : ErrorNumber.NoData;
}
default:
return ErrorNumber.NotSupported;
}
}
/// <inheritdoc />
public ErrorNumber ReadSector(ulong sectorAddress, bool negative, out byte[] buffer, out SectorStatus sectorStatus)
{
sectorStatus = SectorStatus.Dumped;
return ReadSectors(sectorAddress, negative, 1, out buffer, out _);
}
/// <inheritdoc />
public ErrorNumber ReadSectorTag(ulong sectorAddress, bool negative, SectorTagType tag, out byte[] buffer) =>
ReadSectorsTag(sectorAddress, negative, 1, tag, out buffer);
/// <inheritdoc />
public ErrorNumber ReadSector(ulong sectorAddress, uint track, out byte[] buffer, out SectorStatus sectorStatus)
{
sectorStatus = SectorStatus.Dumped;
return ReadSectors(sectorAddress, 1, track, out buffer, out _);
}
/// <inheritdoc />
public ErrorNumber ReadSectorTag(ulong sectorAddress, uint track, SectorTagType tag, out byte[] buffer) =>
ReadSectorsTag(sectorAddress, 1, track, tag, out buffer);
/// <inheritdoc />
public ErrorNumber ReadSectors(ulong sectorAddress, bool negative, uint length, out byte[] buffer,
out SectorStatus[] sectorStatus)
{
buffer = null;
sectorStatus = null;
if(negative) return ErrorNumber.NotSupported;
foreach(KeyValuePair<uint, ulong> kvp in from kvp in _offsetMap
where sectorAddress >= kvp.Value
from cdrwinTrack in _discImage.Tracks
where cdrwinTrack.Sequence == kvp.Key
where sectorAddress - kvp.Value < cdrwinTrack.Sectors
select kvp)
return ReadSectors(sectorAddress - kvp.Value, length, kvp.Key, out buffer, out _);
return ErrorNumber.SectorNotFound;
}
/// <inheritdoc />
public ErrorNumber ReadSectorsTag(ulong sectorAddress, bool negative, uint length, SectorTagType tag,
out byte[] buffer)
{
buffer = null;
if(negative) return ErrorNumber.NotSupported;
if(tag is SectorTagType.CdTrackFlags or SectorTagType.CdTrackIsrc)
return ReadSectorsTag(sectorAddress, length, 0, tag, out buffer);
foreach(KeyValuePair<uint, ulong> kvp in from kvp in _offsetMap
where sectorAddress >= kvp.Value
from cdrwinTrack in _discImage.Tracks
where cdrwinTrack.Sequence == kvp.Key
where sectorAddress - kvp.Value < cdrwinTrack.Sectors
select kvp)
return ReadSectorsTag(sectorAddress - kvp.Value, length, kvp.Key, tag, out buffer);
return ErrorNumber.SectorNotFound;
}
/// <inheritdoc />
public ErrorNumber ReadSectors(ulong sectorAddress, uint length, uint track, out byte[] buffer,
out SectorStatus[] sectorStatus)
{
buffer = null;
sectorStatus = null;
CdrWinTrack aaruTrack = _discImage.Tracks.FirstOrDefault(cdrwinTrack => cdrwinTrack.Sequence == track);
if(aaruTrack is null) return ErrorNumber.SectorNotFound;
if(length > aaruTrack.Sectors) return ErrorNumber.OutOfRange;
sectorStatus = new SectorStatus[length];
for(uint i = 0; i < length; i++) sectorStatus[i] = SectorStatus.Dumped;
uint sectorOffset;
uint sectorSize;
uint sectorSkip;
var mode2 = false;
switch(aaruTrack.TrackType)
{
case CDRWIN_TRACK_TYPE_MODE1:
case CDRWIN_TRACK_TYPE_MODE2_FORM1:
{
sectorOffset = 0;
sectorSize = 2048;
sectorSkip = 0;
break;
}
case CDRWIN_TRACK_TYPE_MODE2_FORM2:
{
sectorOffset = 0;
sectorSize = 2324;
sectorSkip = 0;
break;
}
case CDRWIN_TRACK_TYPE_MODE2_FORMLESS:
case CDRWIN_TRACK_TYPE_CDI:
{
mode2 = true;
sectorOffset = 0;
sectorSize = 2336;
sectorSkip = 0;
break;
}
case CDRWIN_TRACK_TYPE_AUDIO:
{
sectorOffset = 0;
sectorSize = 2352;
sectorSkip = 0;
break;
}
case CDRWIN_TRACK_TYPE_MODE1_RAW:
{
sectorOffset = 16;
sectorSize = 2048;
sectorSkip = 288;
break;
}
case CDRWIN_TRACK_TYPE_MODE2_RAW:
case CDRWIN_TRACK_TYPE_CDI_RAW:
{
mode2 = true;
sectorOffset = 0;
sectorSize = 2352;
sectorSkip = 0;
break;
}
case CDRWIN_TRACK_TYPE_CDG:
{
sectorOffset = 0;
sectorSize = 2352;
sectorSkip = 96;
break;
}
default:
return ErrorNumber.NotSupported;
}
buffer = new byte[sectorSize * length];
// If it's the lost pregap
if(track == 1 && _lostPregap > 0)
{
if(sectorAddress < _lostPregap)
{
// If we need to mix lost with present data
if(sectorAddress + length <= _lostPregap) return ErrorNumber.NoError;
ulong pregapPos = _lostPregap - sectorAddress;
ErrorNumber errno = ReadSectors(_lostPregap,
(uint)(length - pregapPos),
track,
out byte[] presentData,
out sectorStatus);
if(errno != ErrorNumber.NoError) return errno;
Array.Copy(presentData, 0, buffer, (long)(pregapPos * sectorSize), presentData.Length);
return ErrorNumber.NoError;
}
sectorAddress -= _lostPregap;
}
if(_discImage.IsRedumpGigadisc &&
aaruTrack.Session == 2 &&
aaruTrack.Indexes[0] >= 45000 - aaruTrack.Pregap &&
aaruTrack.Indexes[1] <= 45000)
{
if(sectorAddress < (ulong)(aaruTrack.Indexes[1] - aaruTrack.Indexes[0]))
{
if(sectorAddress + length + (ulong)aaruTrack.Indexes[0] <= (ulong)aaruTrack.Indexes[1])
return ErrorNumber.NoError;
ulong pregapPos = (ulong)(aaruTrack.Indexes[1] - aaruTrack.Indexes[0]) - sectorAddress;
ErrorNumber errno = ReadSectors((ulong)(aaruTrack.Indexes[1] - aaruTrack.Indexes[0]),
(uint)(length - pregapPos),
track,
out byte[] presentData,
out sectorStatus);
if(errno != ErrorNumber.NoError) return errno;
Array.Copy(presentData, 0, buffer, (long)(pregapPos * sectorSize), presentData.Length);
return ErrorNumber.NoError;
}
sectorAddress -= (ulong)(aaruTrack.Indexes[1] - aaruTrack.Indexes[0]);
}
_imageStream = aaruTrack.TrackFile.DataFilter.GetDataForkStream();
var br = new BinaryReader(_imageStream);
br.BaseStream.Seek((long)aaruTrack.TrackFile.Offset +
(long)(sectorAddress * (sectorOffset + sectorSize + sectorSkip)),
SeekOrigin.Begin);
if(mode2)
{
var mode2Ms = new MemoryStream((int)(sectorSize * length));
buffer = br.ReadBytes((int)(sectorSize * length));
for(var i = 0; i < length; i++)
{
var 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(var 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 ErrorNumber.NoError;
}
/// <inheritdoc />
public ErrorNumber ReadSectorsTag(ulong sectorAddress, uint length, uint track, SectorTagType tag,
out byte[] buffer)
{
buffer = null;
if(tag is SectorTagType.CdTrackFlags or SectorTagType.CdTrackIsrc) track = (uint)sectorAddress;
CdrWinTrack aaruTrack = _discImage.Tracks.FirstOrDefault(cdrwinTrack => cdrwinTrack.Sequence == track);
if(aaruTrack is null) return ErrorNumber.SectorNotFound;
if(length > aaruTrack.Sectors) return ErrorNumber.OutOfRange;
uint sectorOffset = 0;
uint sectorSize = 0;
uint sectorSkip = 0;
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:
{
CdFlags flags = 0;
if(aaruTrack.TrackType != CDRWIN_TRACK_TYPE_AUDIO && aaruTrack.TrackType != CDRWIN_TRACK_TYPE_CDG)
flags |= CdFlags.DataTrack;
if(aaruTrack.FlagDcp) flags |= CdFlags.CopyPermitted;
if(aaruTrack.FlagPre) flags |= CdFlags.PreEmphasis;
if(aaruTrack.Flag4Ch) flags |= CdFlags.FourChannel;
buffer = [(byte)flags];
return ErrorNumber.NoError;
}
case SectorTagType.CdTrackIsrc:
if(aaruTrack.Isrc == null) return ErrorNumber.NoData;
buffer = Encoding.UTF8.GetBytes(aaruTrack.Isrc);
return ErrorNumber.NoError;
case SectorTagType.CdTrackText:
return ErrorNumber.NotImplemented;
default:
return ErrorNumber.NotSupported;
}
switch(aaruTrack.TrackType)
{
case CDRWIN_TRACK_TYPE_MODE1:
case CDRWIN_TRACK_TYPE_MODE2_FORM1:
case CDRWIN_TRACK_TYPE_MODE2_FORM2:
if(tag != SectorTagType.CdSectorSubchannel ||
!_imageInfo.ReadableSectorTags.Contains(SectorTagType.CdSectorSubchannel) ||
_discImage.Tracks.All(static t => t.TrackType != CDRWIN_TRACK_TYPE_CDG))
return ErrorNumber.NoData;
buffer = new byte[length * 96];
return ErrorNumber.NoError;
case CDRWIN_TRACK_TYPE_MODE2_FORMLESS:
case CDRWIN_TRACK_TYPE_CDI:
{
switch(tag)
{
case SectorTagType.CdSectorSync:
case SectorTagType.CdSectorHeader:
case SectorTagType.CdSectorSubchannel:
case SectorTagType.CdSectorEcc:
case SectorTagType.CdSectorEccP:
case SectorTagType.CdSectorEccQ:
if(tag != SectorTagType.CdSectorSubchannel ||
!_imageInfo.ReadableSectorTags.Contains(SectorTagType.CdSectorSubchannel) ||
_discImage.Tracks.All(static t => t.TrackType != CDRWIN_TRACK_TYPE_CDG))
return ErrorNumber.NotSupported;
buffer = new byte[length * 96];
return ErrorNumber.NoError;
case SectorTagType.CdSectorSubHeader:
{
sectorOffset = 0;
sectorSize = 8;
sectorSkip = 2328;
break;
}
case SectorTagType.CdSectorEdc:
{
sectorOffset = 2332;
sectorSize = 4;
sectorSkip = 0;
break;
}
}
break;
}
case CDRWIN_TRACK_TYPE_AUDIO:
return ErrorNumber.NoData;
case CDRWIN_TRACK_TYPE_MODE1_RAW:
{
switch(tag)
{
case SectorTagType.CdSectorSync:
{
sectorOffset = 0;
sectorSize = 12;
sectorSkip = 2340;
break;
}
case SectorTagType.CdSectorHeader:
{
sectorOffset = 12;
sectorSize = 4;
sectorSkip = 2336;
break;
}
case SectorTagType.CdSectorSubchannel:
case SectorTagType.CdSectorSubHeader:
if(tag != SectorTagType.CdSectorSubchannel ||
!_imageInfo.ReadableSectorTags.Contains(SectorTagType.CdSectorSubchannel) ||
_discImage.Tracks.All(static t => t.TrackType != CDRWIN_TRACK_TYPE_CDG))
return ErrorNumber.NotSupported;
buffer = new byte[length * 96];
return ErrorNumber.NoError;
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;
}
}
break;
}
case CDRWIN_TRACK_TYPE_MODE2_RAW: // Requires reading sector
case CDRWIN_TRACK_TYPE_CDI_RAW:
return ErrorNumber.NotImplemented;
case CDRWIN_TRACK_TYPE_CDG:
{
if(tag != SectorTagType.CdSectorSubchannel) return ErrorNumber.NotSupported;
sectorOffset = 2352;
sectorSize = 96;
sectorSkip = 0;
break;
}
default:
return ErrorNumber.NotSupported;
}
buffer = new byte[sectorSize * length];
// If it's the lost pregap
if(track == 1 && _lostPregap > 0)
{
if(sectorAddress < _lostPregap)
{
// If we need to mix lost with present data
if(sectorAddress + length <= _lostPregap) return ErrorNumber.NoError;
ulong pregapPos = _lostPregap - sectorAddress;
ErrorNumber errno = ReadSectors(_lostPregap,
(uint)(length - pregapPos),
track,
out byte[] presentData,
out _);
if(errno != ErrorNumber.NoError) return errno;
Array.Copy(presentData, 0, buffer, (long)(pregapPos * sectorSize), presentData.Length);
return ErrorNumber.NoError;
}
sectorAddress -= _lostPregap;
}
_imageStream = aaruTrack.TrackFile.DataFilter.GetDataForkStream();
var br = new BinaryReader(_imageStream);
br.BaseStream.Seek((long)aaruTrack.TrackFile.Offset +
(long)(sectorAddress * (sectorOffset + sectorSize + sectorSkip)),
SeekOrigin.Begin);
if(sectorOffset == 0 && sectorSkip == 0)
buffer = br.ReadBytes((int)(sectorSize * length));
else
{
for(var 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 ErrorNumber.NoError;
}
/// <inheritdoc />
public ErrorNumber ReadSectorLong(ulong sectorAddress, bool negative, out byte[] buffer,
out SectorStatus sectorStatus)
{
sectorStatus = SectorStatus.Dumped;
return ReadSectorsLong(sectorAddress, negative, 1, out buffer, out _);
}
/// <inheritdoc />
public ErrorNumber ReadSectorLong(ulong sectorAddress, uint track, out byte[] buffer, out SectorStatus sectorStatus)
{
sectorStatus = SectorStatus.Dumped;
return ReadSectorsLong(sectorAddress, 1, track, out buffer, out _);
}
/// <inheritdoc />
public ErrorNumber ReadSectorsLong(ulong sectorAddress, bool negative, uint length, out byte[] buffer,
out SectorStatus[] sectorStatus)
{
buffer = null;
sectorStatus = null;
if(negative) return ErrorNumber.NotSupported;
foreach(KeyValuePair<uint, ulong> kvp in from kvp in _offsetMap
where sectorAddress >= kvp.Value
from cdrwinTrack in _discImage.Tracks
where cdrwinTrack.Sequence == kvp.Key
where sectorAddress - kvp.Value < cdrwinTrack.Sectors
select kvp)
return ReadSectorsLong(sectorAddress - kvp.Value, length, kvp.Key, out buffer, out sectorStatus);
return ErrorNumber.SectorNotFound;
}
/// <inheritdoc />
public ErrorNumber ReadSectorsLong(ulong sectorAddress, uint length, uint track, out byte[] buffer,
out SectorStatus[] sectorStatus)
{
buffer = null;
sectorStatus = null;
if(!_isCd) return ReadSectors(sectorAddress, length, track, out buffer, out sectorStatus);
CdrWinTrack aaruTrack = _discImage.Tracks.FirstOrDefault(cdrwinTrack => cdrwinTrack.Sequence == track);
if(aaruTrack is null) return ErrorNumber.SectorNotFound;
if(length > aaruTrack.Sectors) return ErrorNumber.OutOfRange;
sectorStatus = new SectorStatus[length];
for(uint i = 0; i < length; i++) sectorStatus[i] = SectorStatus.Dumped;
uint sectorOffset;
uint sectorSize;
uint sectorSkip;
switch(aaruTrack.TrackType)
{
case CDRWIN_TRACK_TYPE_MODE1:
case CDRWIN_TRACK_TYPE_MODE2_FORM1:
{
sectorOffset = 0;
sectorSize = 2048;
sectorSkip = 0;
break;
}
case CDRWIN_TRACK_TYPE_MODE2_FORM2:
{
sectorOffset = 0;
sectorSize = 2324;
sectorSkip = 0;
break;
}
case CDRWIN_TRACK_TYPE_MODE2_FORMLESS:
case CDRWIN_TRACK_TYPE_CDI:
{
sectorOffset = 0;
sectorSize = 2336;
sectorSkip = 0;
break;
}
case CDRWIN_TRACK_TYPE_MODE1_RAW:
case CDRWIN_TRACK_TYPE_MODE2_RAW:
case CDRWIN_TRACK_TYPE_CDI_RAW:
case CDRWIN_TRACK_TYPE_AUDIO:
{
sectorOffset = 0;
sectorSize = 2352;
sectorSkip = 0;
break;
}
case CDRWIN_TRACK_TYPE_CDG:
{
sectorOffset = 0;
sectorSize = 2352;
sectorSkip = 96;
break;
}
default:
return ErrorNumber.NotSupported;
}
buffer = new byte[sectorSize * length];
// If it's the lost pregap
if(track == 1 && _lostPregap > 0)
{
if(sectorAddress < _lostPregap)
{
// If we need to mix lost with present data
if(sectorAddress + length <= _lostPregap) return ErrorNumber.NoError;
ulong pregapPos = _lostPregap - sectorAddress;
ErrorNumber errno = ReadSectors(_lostPregap,
(uint)(length - pregapPos),
track,
out byte[] presentData,
out sectorStatus);
if(errno != ErrorNumber.NoError) return errno;
Array.Copy(presentData, 0, buffer, (long)(pregapPos * sectorSize), presentData.Length);
return ErrorNumber.NoError;
}
sectorAddress -= _lostPregap;
}
if(_discImage.IsRedumpGigadisc &&
aaruTrack.Session == 2 &&
aaruTrack.Indexes[0] >= 45000 - aaruTrack.Pregap &&
aaruTrack.Indexes[1] <= 45000)
{
if(sectorAddress < (ulong)(aaruTrack.Indexes[1] - aaruTrack.Indexes[0]))
{
if(sectorAddress + length + (ulong)aaruTrack.Indexes[0] <= (ulong)aaruTrack.Indexes[1])
return ErrorNumber.NoError;
ulong pregapPos = (ulong)(aaruTrack.Indexes[1] - aaruTrack.Indexes[0]) - sectorAddress;
ErrorNumber errno = ReadSectorsLong((ulong)(aaruTrack.Indexes[1] - aaruTrack.Indexes[0]),
(uint)(length - pregapPos),
track,
out byte[] presentData,
out sectorStatus);
if(errno != ErrorNumber.NoError) return errno;
Array.Copy(presentData, 0, buffer, (long)(pregapPos * sectorSize), presentData.Length);
return ErrorNumber.NoError;
}
sectorAddress -= (ulong)(aaruTrack.Indexes[1] - aaruTrack.Indexes[0]);
}
_imageStream = aaruTrack.TrackFile.DataFilter.GetDataForkStream();
var br = new BinaryReader(_imageStream);
br.BaseStream.Seek((long)aaruTrack.TrackFile.Offset + (long)(sectorAddress * (sectorSize + sectorSkip)),
SeekOrigin.Begin);
if(sectorSkip == 0)
buffer = br.ReadBytes((int)(sectorSize * length));
else
{
for(var 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);
}
}
switch(aaruTrack.TrackType)
{
case CDRWIN_TRACK_TYPE_MODE1:
{
var fullSector = new byte[2352];
var fullBuffer = new byte[2352 * length];
for(uint i = 0; i < length; i++)
{
Array.Copy(buffer, i * 2048, fullSector, 16, 2048);
_sectorBuilder.ReconstructPrefix(ref fullSector, TrackType.CdMode1, (long)(sectorAddress + i));
_sectorBuilder.ReconstructEcc(ref fullSector, TrackType.CdMode1);
Array.Copy(fullSector, 0, fullBuffer, i * 2352, 2352);
}
buffer = fullBuffer;
break;
}
case CDRWIN_TRACK_TYPE_MODE2_FORM1:
{
var fullSector = new byte[2352];
var fullBuffer = new byte[2352 * length];
for(uint i = 0; i < length; i++)
{
Array.Copy(buffer, i * 2048, fullSector, 24, 2048);
_sectorBuilder.ReconstructPrefix(ref fullSector, TrackType.CdMode2Form1, (long)(sectorAddress + i));
_sectorBuilder.ReconstructEcc(ref fullSector, TrackType.CdMode2Form1);
Array.Copy(fullSector, 0, fullBuffer, i * 2352, 2352);
}
buffer = fullBuffer;
break;
}
case CDRWIN_TRACK_TYPE_MODE2_FORM2:
{
var fullSector = new byte[2352];
var fullBuffer = new byte[2352 * length];
for(uint i = 0; i < length; i++)
{
Array.Copy(buffer, i * 2324, fullSector, 24, 2324);
_sectorBuilder.ReconstructPrefix(ref fullSector, TrackType.CdMode2Form2, (long)(sectorAddress + i));
_sectorBuilder.ReconstructEcc(ref fullSector, TrackType.CdMode2Form2);
Array.Copy(fullSector, 0, fullBuffer, i * 2352, 2352);
}
buffer = fullBuffer;
break;
}
case CDRWIN_TRACK_TYPE_MODE2_FORMLESS:
case CDRWIN_TRACK_TYPE_CDI:
{
var fullSector = new byte[2352];
var fullBuffer = new byte[2352 * length];
for(uint i = 0; i < length; i++)
{
_sectorBuilder.ReconstructPrefix(ref fullSector,
TrackType.CdMode2Formless,
(long)(sectorAddress + i));
Array.Copy(buffer, i * 2336, fullSector, 16, 2336);
Array.Copy(fullSector, 0, fullBuffer, i * 2352, 2352);
}
buffer = fullBuffer;
break;
}
}
return ErrorNumber.NoError;
}
/// <inheritdoc />
public List<Track> GetSessionTracks(Session session) =>
_discImage.Sessions.Contains(session) ? GetSessionTracks(session.Sequence) : null;
/// <inheritdoc />
public List<Track> GetSessionTracks(ushort session) =>
Tracks.Where(t => t.Session == session).OrderBy(static t => t.Sequence).ToList();
#endregion
}