Files
Aaru.Server/DiscImageChef.DiscImages/CDRDAO.cs

1790 lines
80 KiB
C#

// /***************************************************************************
// The Disc Image Chef
// ----------------------------------------------------------------------------
//
// Filename : CDRDAO.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Disc image plugins.
//
// --[ Description ] ----------------------------------------------------------
//
// Manages cdrdao cuesheets (toc/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 © 2011-2017 Natalia Portillo
// ****************************************************************************/
using System;
using System.Collections.Generic;
using System.IO;
using System.Text.RegularExpressions;
using DiscImageChef.Console;
using DiscImageChef.CommonTypes;
using System.Text;
using DiscImageChef.Filters;
namespace DiscImageChef.ImagePlugins
{
// TODO: Doesn't support compositing from several files
// TODO: Doesn't support silences that are not in files
class CDRDAO : ImagePlugin
{
#region Internal structures
struct CDRDAOTrackFile
{
/// <summary>Track #</summary>
public uint sequence;
/// <summary>Filter of file containing track</summary>
public Filter datafilter;
/// <summary>Path of file containing track</summary>
public string datafile;
/// <summary>Offset of track start in file</summary>
public ulong offset;
/// <summary>Type of file</summary>
public string filetype;
}
struct CDRDAOTrack
{
/// <summary>Track #</summary>
public uint sequence;
/// <summary>Track title (from CD-Text)</summary>
public string title;
/// <summary>Track genre (from CD-Text)</summary>
public string genre;
/// <summary>Track arranger (from CD-Text)</summary>
public string arranger;
/// <summary>Track composer (from CD-Text)</summary>
public string composer;
/// <summary>Track performer (from CD-Text)</summary>
public string performer;
/// <summary>Track song writer (from CD-Text)</summary>
public string songwriter;
/// <summary>Track ISRC</summary>
public string isrc;
/// <summary>Disk provider's message (from CD-Text)</summary>
public string message;
/// <summary>File struct for this track</summary>
public CDRDAOTrackFile trackfile;
/// <summary>Indexes on this track</summary>
public Dictionary<int, ulong> indexes;
/// <summary>Track pre-gap in sectors</summary>
public ulong pregap;
/// <summary>Track post-gap in sectors</summary>
public ulong postgap;
/// <summary>Digical Copy Permitted</summary>
public bool flag_dcp;
/// <summary>Track is quadraphonic</summary>
public bool flag_4ch;
/// <summary>Track has preemphasis</summary>
public bool flag_pre;
/// <summary>Bytes per sector</summary>
public ushort bps;
/// <summary>Sectors in track</summary>
public ulong sectors;
/// <summary>Starting sector in track</summary>
public ulong startSector;
/// <summary>Track type</summary>
public string tracktype;
public bool subchannel;
public bool packedsubchannel;
}
struct CDRDAODisc
{
/// <summary>Disk title (from CD-Text)</summary>
public string title;
/// <summary>Disk genre (from CD-Text)</summary>
public string genre;
/// <summary>Disk arranger (from CD-Text)</summary>
public string arranger;
/// <summary>Disk composer (from CD-Text)</summary>
public string composer;
/// <summary>Disk performer (from CD-Text)</summary>
public string performer;
/// <summary>Disk song writer (from CD-Text)</summary>
public string songwriter;
/// <summary>Disk provider's message (from CD-Text)</summary>
public string message;
/// <summary>Media catalog number</summary>
public string mcn;
/// <summary>Disk type</summary>
public MediaType disktype;
/// <summary>Disk type string</summary>
public string disktypestr;
/// <summary>Disk CDDB ID</summary>
public string disk_id;
/// <summary>Disk UPC/EAN</summary>
public string barcode;
/// <summary>Tracks</summary>
public List<CDRDAOTrack> tracks;
/// <summary>Disk comment</summary>
public string comment;
}
#endregion Internal structures
#region Internal consts
/// <summary>Audio track, 2352 bytes/sector</summary>
const string CDRDAOTrackTypeAudio = "AUDIO";
/// <summary>Mode 1 track, cooked, 2048 bytes/sector</summary>
const string CDRDAOTrackTypeMode1 = "MODE1";
/// <summary>Mode 1 track, raw, 2352 bytes/sector</summary>
const string CDRDAOTrackTypeMode1Raw = "MODE1_RAW";
/// <summary>Mode 2 mixed formless, cooked, 2336 bytes/sector</summary>
const string CDRDAOTrackTypeMode2 = "MODE2";
/// <summary>Mode 2 form 1 track, cooked, 2048 bytes/sector</summary>
const string CDRDAOTrackTypeMode2Form1 = "MODE2_FORM1";
/// <summary>Mode 2 form 2 track, cooked, 2324 bytes/sector</summary>
const string CDRDAOTrackTypeMode2Form2 = "MODE2_FORM2";
/// <summary>Mode 2 mixed forms track, cooked, 2336 bytes/sector</summary>
const string CDRDAOTrackTypeMode2Mix = "MODE2_FORM_MIX";
/// <summary>Mode 2 track, raw, 2352 bytes/sector</summary>
const string CDRDAOTrackTypeMode2Raw = "MODE2_RAW";
#endregion Internal consts
#region Internal variables
Filter imageFilter;
StreamReader tocStream;
Stream imageStream;
/// <summary>Dictionary, index is track #, value is TrackFile</summary>
Dictionary<uint, ulong> offsetmap;
List<Partition> partitions;
CDRDAODisc discimage;
#endregion
#region Parsing regexs
const string CommentRegEx = "^\\s*\\/{2}(?<comment>.+)$";
const string DiskTypeRegEx = "^\\s*(?<type>(CD_DA|CD_ROM_XA|CD_ROM|CD_I))";
const string MCNRegEx = "^\\s*CATALOG\\s*\"(?<catalog>[\\d]{13,13})\"";
const string TrackRegEx = "^\\s*TRACK\\s*(?<type>(AUDIO|MODE1_RAW|MODE1|MODE2_FORM1|MODE2_FORM2|MODE2_FORM_MIX|MODE2_RAW|MODE2))\\s*(?<subchan>(RW_RAW|RW))?";
const string CopyRegEx = "^\\s*(?<no>NO)?\\s*COPY";
const string EmphasisRegEx = "^\\s*(?<no>NO)?\\s*PRE_EMPHASIS";
const string StereoRegEx = "^\\s*(?<num>(TWO|FOUR))_CHANNEL_AUDIO";
const string ISRCRegEx = "^\\s*ISRC\\s*\"(?<isrc>[A-Z0-9]{5,5}[0-9]{7,7})\"";
const string IndexRegEx = "^\\s*INDEX\\s*(?<address>\\d+:\\d+:\\d+)";
const string PregapRegEx = "^\\s*START\\s*(?<address>\\d+:\\d+:\\d+)?";
const string ZeroPregapRegEx = "^\\s*PREGAP\\s*(?<length>\\d+:\\d+:\\d+)";
const string ZeroDataRegEx = "^\\s*ZERO\\s*(?<length>\\d+:\\d+:\\d+)";
const string ZeroAudioRegEx = "^\\s*SILENCE\\s*(?<length>\\d+:\\d+:\\d+)";
const string AudioFileRegEx = "^\\s*(AUDIO)?FILE\\s*\"(?<filename>.+)\"\\s*(#(?<base_offset>\\d+))?\\s*((?<start>[\\d]+:[\\d]+:[\\d]+)|(?<start_num>\\d+))\\s*(?<length>[\\d]+:[\\d]+:[\\d]+)?";
const string FileRegEx = "^\\s*DATAFILE\\s*\"(?<filename>.+)\"\\s*(#(?<base_offset>\\d+))?\\s*(?<length>[\\d]+:[\\d]+:[\\d]+)?";
// CD-Text
const string TitleRegEx = "^\\s*TITLE\\s*\"(?<title>.+)\"";
const string PerformerRegEx = "^\\s*PERFORMER\\s*\"(?<performer>.+)\"";
const string SongwriterRegEx = "^\\s*SONGWRITER\\s*\"(?<songwriter>.+)\"";
const string ComposerRegEx = "^\\s*COMPOSER\\s*\"(?<composer>.+)\"";
const string ArrangerRegEx = "^\\s*ARRANGER\\s*\"(?<arranger>.+)\"";
const string MessageRegEx = "^\\s*MESSAGE\\s*\"(?<message>.+)\"";
const string DiscIDRegEx = "^\\s*DISC_ID\\s*\"(?<discid>.+)\"";
const string UPCRegEx = "^\\s*UPC_EAN\\s*\"(?<catalog>[\\d]{13,13})\"";
// Unused
const string CDTextRegEx = "^\\s*CD_TEXT\\s*\\{";
const string LanguageRegEx = "^\\s*LANGUAGE\\s*(?<code>\\d+)\\s*\\{";
const string ClosureRegEx = "^\\s*\\}";
const string LanguageMapRegEx = "^\\s*LANGUAGE_MAP\\s*\\{";
const string LanguageMappingRegEx = "^\\s*(?<code>\\d+)\\s?\\:\\s?(?<language>\\d+|\\w+)";
#endregion
#region Public methods
public CDRDAO()
{
Name = "CDRDAO tocfile";
PluginUUID = new Guid("04D7BA12-1BE8-44D4-97A4-1B48A505463E");
ImageInfo = new ImageInfo();
ImageInfo.readableSectorTags = new List<SectorTagType>();
ImageInfo.readableMediaTags = new List<MediaTagType>();
ImageInfo.imageHasPartitions = true;
ImageInfo.imageHasSessions = true;
ImageInfo.imageVersion = null;
ImageInfo.imageApplicationVersion = null;
ImageInfo.imageName = null;
ImageInfo.imageCreator = null;
ImageInfo.mediaManufacturer = null;
ImageInfo.mediaModel = null;
ImageInfo.mediaPartNumber = null;
ImageInfo.mediaSequence = 0;
ImageInfo.lastMediaSequence = 0;
ImageInfo.driveManufacturer = null;
ImageInfo.driveModel = null;
ImageInfo.driveSerialNumber = null;
ImageInfo.driveFirmwareRevision = null;
}
#endregion Public methods
public override bool IdentifyImage(Filter imageFilter)
{
try
{
imageFilter.GetDataForkStream().Seek(0, SeekOrigin.Begin);
byte[] testArray = new byte[512];
imageFilter.GetDataForkStream().Read(testArray, 0, 512);
imageFilter.GetDataForkStream().Seek(0, SeekOrigin.Begin);
// Check for unexpected control characters that shouldn't be present in a text file and can crash this plugin
foreach(byte b in testArray)
{
if(b < 0x20 && b != 0x0A && b != 0x0D && b != 0x00)
return false;
}
tocStream = new StreamReader(imageFilter.GetDataForkStream());
string _line = tocStream.ReadLine();
Regex Dr = new Regex(DiskTypeRegEx);
Match Dm;
Dm = Dr.Match(_line);
return Dm.Success;
}
catch(Exception ex)
{
DicConsole.ErrorWriteLine("Exception trying to identify image file {0}", this.imageFilter.GetFilename());
DicConsole.ErrorWriteLine("Exception: {0}", ex.Message);
DicConsole.ErrorWriteLine("Stack trace: {0}", ex.StackTrace);
return false;
}
}
#region Not implemented methods
public override bool OpenImage(Filter imageFilter)
{
if(imageFilter == null)
return false;
if(imageFilter == null)
return false;
this.imageFilter = imageFilter;
try
{
imageFilter.GetDataForkStream().Seek(0, SeekOrigin.Begin);
tocStream = new StreamReader(imageFilter.GetDataForkStream());
int line = 0;
bool intrack = false;
// Initialize all RegExs
Regex RegexComment = new Regex(CommentRegEx);
Regex RegexDiskType = new Regex(DiskTypeRegEx);
Regex RegexMCN = new Regex(MCNRegEx);
Regex RegexTrack = new Regex(TrackRegEx);
Regex RegexCopy = new Regex(CopyRegEx);
Regex RegexEmphasis = new Regex(EmphasisRegEx);
Regex RegexStereo = new Regex(StereoRegEx);
Regex RegexISRC = new Regex(ISRCRegEx);
Regex RegexIndex = new Regex(IndexRegEx);
Regex RegexPregap = new Regex(PregapRegEx);
Regex RegexZeroPregap = new Regex(ZeroPregapRegEx);
Regex RegexZeroData = new Regex(ZeroDataRegEx);
Regex RegexZeroAudio = new Regex(ZeroAudioRegEx);
Regex RegexAudioFile = new Regex(AudioFileRegEx);
Regex RegexFile = new Regex(FileRegEx);
Regex RegexTitle = new Regex(TitleRegEx);
Regex RegexPerformer = new Regex(PerformerRegEx);
Regex RegexSongwriter = new Regex(SongwriterRegEx);
Regex RegexComposer = new Regex(ComposerRegEx);
Regex RegexArranger = new Regex(ArrangerRegEx);
Regex RegexMessage = new Regex(MessageRegEx);
Regex RegexDiscID = new Regex(DiscIDRegEx);
Regex RegexUPC = new Regex(UPCRegEx);
Regex RegexCDText = new Regex(CDTextRegEx);
Regex RegexLanguage = new Regex(LanguageRegEx);
Regex RegexClosure = new Regex(ClosureRegEx);
Regex RegexLanguageMap = new Regex(LanguageMapRegEx);
Regex RegexLanguageMapping = new Regex(LanguageMappingRegEx);
// Initialize all RegEx matches
Match MatchComment;
Match MatchDiskType;
Match MatchMCN;
Match MatchTrack;
Match MatchCopy;
Match MatchEmphasis;
Match MatchStereo;
Match MatchISRC;
Match MatchIndex;
Match MatchPregap;
Match MatchZeroPregap;
Match MatchZeroData;
Match MatchZeroAudio;
Match MatchAudioFile;
Match MatchFile;
Match MatchTitle;
Match MatchPerformer;
Match MatchSongwriter;
Match MatchComposer;
Match MatchArranger;
Match MatchMessage;
Match MatchDiscID;
Match MatchUPC;
Match MatchCDText;
Match MatchLanguage;
Match MatchClosure;
Match MatchLanguageMap;
Match MatchLanguageMapping;
// Initialize disc
discimage = new CDRDAODisc();
discimage.tracks = new List<CDRDAOTrack>();
discimage.comment = "";
CDRDAOTrack currenttrack = new CDRDAOTrack();
uint currentTrackNumber = 0;
currenttrack.indexes = new Dictionary<int, ulong>();
currenttrack.pregap = 0;
ulong currentSector = 0;
int nextindex = 2;
StringBuilder commentBuilder = new StringBuilder();
tocStream = new StreamReader(this.imageFilter.GetDataForkStream());
string _line = tocStream.ReadLine();
MatchDiskType = RegexDiskType.Match(_line);
if(!MatchDiskType.Success)
{
DicConsole.DebugWriteLine("CDRDAO plugin", "Not a CDRDAO TOC or TOC type not in first line.");
return false;
}
tocStream = new StreamReader(this.imageFilter.GetDataForkStream());
FiltersList filtersList = new FiltersList();
while(tocStream.Peek() >= 0)
{
line++;
_line = tocStream.ReadLine();
MatchComment = RegexComment.Match(_line);
MatchDiskType = RegexDiskType.Match(_line);
MatchMCN = RegexMCN.Match(_line);
MatchTrack = RegexTrack.Match(_line);
MatchCopy = RegexCopy.Match(_line);
MatchEmphasis = RegexEmphasis.Match(_line);
MatchStereo = RegexStereo.Match(_line);
MatchISRC = RegexISRC.Match(_line);
MatchIndex = RegexIndex.Match(_line);
MatchPregap = RegexPregap.Match(_line);
MatchZeroPregap = RegexZeroPregap.Match(_line);
MatchZeroData = RegexZeroData.Match(_line);
MatchZeroAudio = RegexZeroAudio.Match(_line);
MatchAudioFile = RegexAudioFile.Match(_line);
MatchFile = RegexFile.Match(_line);
MatchTitle = RegexTitle.Match(_line);
MatchPerformer = RegexPerformer.Match(_line);
MatchSongwriter = RegexSongwriter.Match(_line);
MatchComposer = RegexComposer.Match(_line);
MatchArranger = RegexArranger.Match(_line);
MatchMessage = RegexMessage.Match(_line);
MatchDiscID = RegexDiscID.Match(_line);
MatchUPC = RegexUPC.Match(_line);
MatchCDText = RegexCDText.Match(_line);
MatchLanguage = RegexLanguage.Match(_line);
MatchClosure = RegexClosure.Match(_line);
MatchLanguageMap = RegexLanguageMap.Match(_line);
MatchLanguageMapping = RegexLanguageMapping.Match(_line);
if(MatchComment.Success)
{
// Ignore "// Track X" comments
if(!MatchComment.Groups["comment"].Value.StartsWith(" Track ", StringComparison.Ordinal))
{
DicConsole.DebugWriteLine("CDRDAO plugin", "Found comment \"{1}\" at line {0}", line, MatchComment.Groups["comment"].Value.Trim());
commentBuilder.AppendLine(MatchComment.Groups["comment"].Value.Trim());
}
}
else if(MatchDiskType.Success)
{
DicConsole.DebugWriteLine("CDRDAO plugin", "Found {1} at line {0}", line, MatchDiskType.Groups["type"].Value);
discimage.disktypestr = MatchDiskType.Groups["type"].Value;
switch(MatchDiskType.Groups["type"].Value)
{
case "CD_DA":
discimage.disktype = MediaType.CDDA;
break;
case "CD_ROM":
discimage.disktype = MediaType.CDROM;
break;
case "CD_ROM_XA":
discimage.disktype = MediaType.CDROMXA;
break;
case "CD_I":
discimage.disktype = MediaType.CDI;
break;
default:
discimage.disktype = MediaType.CD;
break;
}
}
else if(MatchMCN.Success)
{
DicConsole.DebugWriteLine("CDRDAO plugin", "Found CATALOG \"{1}\" at line {0}", line, MatchMCN.Groups["catalog"].Value);
discimage.mcn = MatchMCN.Groups["catalog"].Value;
}
else if(MatchTrack.Success)
{
if(MatchTrack.Groups["subchan"].Value == "")
DicConsole.DebugWriteLine("CDRDAO plugin", "Found TRACK type \"{1}\" with no subchannel at line {0}", line, MatchTrack.Groups["type"].Value);
else
DicConsole.DebugWriteLine("CDRDAO plugin", "Found TRACK type \"{1}\" subchannel {2} at line {0}", line, MatchTrack.Groups["type"].Value, MatchTrack.Groups["subchan"].Value);
if(intrack)
{
currentSector += currenttrack.sectors;
if(currenttrack.pregap != currenttrack.sectors && !currenttrack.indexes.ContainsKey(1))
currenttrack.indexes.Add(1, currenttrack.startSector + currenttrack.pregap);
discimage.tracks.Add(currenttrack);
currenttrack = new CDRDAOTrack();
currenttrack.indexes = new Dictionary<int, ulong>();
currenttrack.pregap = 0;
nextindex = 2;
}
currentTrackNumber++;
intrack = true;
switch(MatchTrack.Groups["type"].Value)
{
case "AUDIO":
case "MODE1_RAW":
case "MODE2_RAW":
currenttrack.bps = 2352;
break;
case "MODE1":
case "MODE2_FORM1":
currenttrack.bps = 2048;
break;
case "MODE2_FORM2":
currenttrack.bps = 2324;
break;
case "MODE2":
case "MODE2_FORM_MIX":
currenttrack.bps = 2336;
break;
default:
throw new NotSupportedException(string.Format("Track mode {0} is unsupported", MatchTrack.Groups["type"].Value));
}
switch(MatchTrack.Groups["subchan"].Value)
{
case "":
break;
case "RW":
currenttrack.packedsubchannel = true;
goto case "RW_RAW";
case "RW_RAW":
currenttrack.bps += 96;
currenttrack.subchannel = true;
break;
default:
throw new NotSupportedException(string.Format("Track subchannel mode {0} is unsupported", MatchTrack.Groups["subchan"].Value));
}
currenttrack.tracktype = MatchTrack.Groups["type"].Value;
currenttrack.sequence = currentTrackNumber;
currenttrack.startSector = currentSector;
}
else if(MatchCopy.Success)
{
DicConsole.DebugWriteLine("CDRDAO plugin", "Found {1} COPY at line {0}", line, MatchCopy.Groups["no"].Value);
currenttrack.flag_dcp |= intrack && MatchCopy.Groups["no"].Value == "";
}
else if(MatchEmphasis.Success)
{
DicConsole.DebugWriteLine("CDRDAO plugin", "Found {1} PRE_EMPHASIS at line {0}", line, MatchEmphasis.Groups["no"].Value);
currenttrack.flag_pre |= intrack && MatchCopy.Groups["no"].Value == "";
}
else if(MatchStereo.Success)
{
DicConsole.DebugWriteLine("CDRDAO plugin", "Found {1}_CHANNEL_AUDIO at line {0}", line, MatchStereo.Groups["num"].Value);
currenttrack.flag_4ch |= intrack && MatchCopy.Groups["num"].Value == "FOUR";
}
else if(MatchISRC.Success)
{
DicConsole.DebugWriteLine("CDRDAO plugin", "Found ISRC \"{1}\" at line {0}", line, MatchISRC.Groups["isrc"].Value);
if(intrack)
currenttrack.isrc = MatchISRC.Groups["isrc"].Value;
}
else if(MatchIndex.Success)
{
DicConsole.DebugWriteLine("CDRDAO plugin", "Found INDEX \"{1}\" at line {0}", line, MatchIndex.Groups["address"].Value);
string[] lengthString = MatchFile.Groups["length"].Value.Split(new char[] { ':' });
ulong nextIndexPos = ulong.Parse(lengthString[0]) * 60 * 75 + ulong.Parse(lengthString[1]) * 75 + ulong.Parse(lengthString[2]);
currenttrack.indexes.Add(nextindex, nextIndexPos + currenttrack.pregap + currenttrack.startSector);
}
else if(MatchPregap.Success)
{
DicConsole.DebugWriteLine("CDRDAO plugin", "Found START \"{1}\" at line {0}", line, MatchPregap.Groups["address"].Value);
currenttrack.indexes.Add(0, currenttrack.startSector);
if(MatchPregap.Groups["address"].Value != "")
{
string[] lengthString = MatchPregap.Groups["address"].Value.Split(new char[] { ':' });
currenttrack.pregap = ulong.Parse(lengthString[0]) * 60 * 75 + ulong.Parse(lengthString[1]) * 75 + ulong.Parse(lengthString[2]);
}
else
currenttrack.pregap = currenttrack.sectors;
}
else if(MatchZeroPregap.Success)
{
DicConsole.DebugWriteLine("CDRDAO plugin", "Found PREGAP \"{1}\" at line {0}", line, MatchZeroPregap.Groups["length"].Value);
currenttrack.indexes.Add(0, currenttrack.startSector);
string[] lengthString = MatchZeroPregap.Groups["length"].Value.Split(new char[] { ':' });
currenttrack.pregap = ulong.Parse(lengthString[0]) * 60 * 75 + ulong.Parse(lengthString[1]) * 75 + ulong.Parse(lengthString[2]);
}
else if(MatchZeroData.Success)
{
DicConsole.DebugWriteLine("CDRDAO plugin", "Found ZERO \"{1}\" at line {0}", line, MatchZeroData.Groups["length"].Value);
// Seems can be ignored as the data is still in the image
}
else if(MatchZeroAudio.Success)
{
DicConsole.DebugWriteLine("CDRDAO plugin", "Found SILENCE \"{1}\" at line {0}", line, MatchZeroAudio.Groups["length"].Value);
// Seems can be ignored as the data is still in the image
}
else if(MatchAudioFile.Success)
{
DicConsole.DebugWriteLine("CDRDAO plugin", "Found AUDIOFILE \"{1}\" at line {0}", line, MatchAudioFile.Groups["filename"].Value);
currenttrack.trackfile = new CDRDAOTrackFile();
currenttrack.trackfile.datafilter = filtersList.GetFilter(Path.Combine(imageFilter.GetParentFolder(), MatchAudioFile.Groups["filename"].Value));
currenttrack.trackfile.datafile = MatchAudioFile.Groups["filename"].Value;
currenttrack.trackfile.offset = MatchAudioFile.Groups["base_offset"].Value != "" ? ulong.Parse(MatchAudioFile.Groups["base_offset"].Value) : 0;
currenttrack.trackfile.filetype = "BINARY";
currenttrack.trackfile.sequence = currentTrackNumber;
ulong startSectors = 0;
if(MatchAudioFile.Groups["start"].Value != "")
{
string[] startString = MatchAudioFile.Groups["start"].Value.Split(new char[] { ':' });
startSectors = ulong.Parse(startString[0]) * 60 * 75 + ulong.Parse(startString[1]) * 75 + ulong.Parse(startString[2]);
}
currenttrack.trackfile.offset += (startSectors * currenttrack.bps);
if(MatchAudioFile.Groups["length"].Value != "")
{
string[] lengthString = MatchAudioFile.Groups["length"].Value.Split(new char[] { ':' });
currenttrack.sectors = ulong.Parse(lengthString[0]) * 60 * 75 + ulong.Parse(lengthString[1]) * 75 + ulong.Parse(lengthString[2]);
}
else
currenttrack.sectors = ((ulong)currenttrack.trackfile.datafilter.GetDataForkLength() - currenttrack.trackfile.offset) / currenttrack.bps;
}
else if(MatchFile.Success)
{
DicConsole.DebugWriteLine("CDRDAO plugin", "Found DATAFILE \"{1}\" at line {0}", line, MatchFile.Groups["filename"].Value);
currenttrack.trackfile = new CDRDAOTrackFile();
currenttrack.trackfile.datafilter = filtersList.GetFilter(Path.Combine(imageFilter.GetParentFolder(), MatchAudioFile.Groups["filename"].Value));
currenttrack.trackfile.datafile = MatchAudioFile.Groups["filename"].Value;
currenttrack.trackfile.offset = MatchFile.Groups["base_offset"].Value != "" ? ulong.Parse(MatchFile.Groups["base_offset"].Value) : 0;
currenttrack.trackfile.filetype = "BINARY";
currenttrack.trackfile.sequence = currentTrackNumber;
if(MatchFile.Groups["length"].Value != "")
{
string[] lengthString = MatchFile.Groups["length"].Value.Split(new char[] { ':' });
currenttrack.sectors = ulong.Parse(lengthString[0]) * 60 * 75 + ulong.Parse(lengthString[1]) * 75 + ulong.Parse(lengthString[2]);
}
else
currenttrack.sectors = ((ulong)currenttrack.trackfile.datafilter.GetDataForkLength() - currenttrack.trackfile.offset) / currenttrack.bps;
}
else if(MatchTitle.Success)
{
DicConsole.DebugWriteLine("CDRDAO plugin", "Found TITLE \"{1}\" at line {0}", line, MatchTitle.Groups["title"].Value);
if(intrack)
currenttrack.title = MatchTitle.Groups["title"].Value;
else
discimage.title = MatchTitle.Groups["title"].Value;
}
else if(MatchPerformer.Success)
{
DicConsole.DebugWriteLine("CDRDAO plugin", "Found PERFORMER \"{1}\" at line {0}", line, MatchPerformer.Groups["performer"].Value);
if(intrack)
currenttrack.performer = MatchPerformer.Groups["performer"].Value;
else
discimage.performer = MatchPerformer.Groups["performer"].Value;
}
else if(MatchSongwriter.Success)
{
DicConsole.DebugWriteLine("CDRDAO plugin", "Found SONGWRITER \"{1}\" at line {0}", line, MatchSongwriter.Groups["songwriter"].Value);
if(intrack)
currenttrack.songwriter = MatchSongwriter.Groups["songwriter"].Value;
else
discimage.songwriter = MatchSongwriter.Groups["songwriter"].Value;
}
else if(MatchComposer.Success)
{
DicConsole.DebugWriteLine("CDRDAO plugin", "Found COMPOSER \"{1}\" at line {0}", line, MatchComposer.Groups["composer"].Value);
if(intrack)
currenttrack.composer = MatchComposer.Groups["composer"].Value;
else
discimage.composer = MatchComposer.Groups["composer"].Value;
}
else if(MatchArranger.Success)
{
DicConsole.DebugWriteLine("CDRDAO plugin", "Found ARRANGER \"{1}\" at line {0}", line, MatchArranger.Groups["arranger"].Value);
if(intrack)
currenttrack.arranger = MatchArranger.Groups["arranger"].Value;
else
discimage.arranger = MatchArranger.Groups["arranger"].Value;
}
else if(MatchMessage.Success)
{
DicConsole.DebugWriteLine("CDRDAO plugin", "Found MESSAGE \"{1}\" at line {0}", line, MatchMessage.Groups["message"].Value);
if(intrack)
currenttrack.message = MatchMessage.Groups["message"].Value;
else
discimage.message = MatchMessage.Groups["message"].Value;
}
else if(MatchDiscID.Success)
{
DicConsole.DebugWriteLine("CDRDAO plugin", "Found DISC_ID \"{1}\" at line {0}", line, MatchDiscID.Groups["discid"].Value);
if(!intrack)
discimage.disk_id = MatchDiscID.Groups["discid"].Value;
}
else if(MatchUPC.Success)
{
DicConsole.DebugWriteLine("CDRDAO plugin", "Found UPC_EAN \"{1}\" at line {0}", line, MatchUPC.Groups["catalog"].Value);
if(!intrack)
discimage.barcode = MatchUPC.Groups["catalog"].Value;
}
// Ignored fields
else if(MatchCDText.Success || MatchLanguage.Success || MatchClosure.Success ||
MatchLanguageMap.Success || MatchLanguageMapping.Success)
{
}
else if(_line == "") // Empty line, ignore it
{
}
// TODO: Regex CD-TEXT SIZE_INFO
/*
else // Non-empty unknown field
{
throw new FeatureUnsupportedImageException(string.Format("Found unknown field defined at line {0}: \"{1}\"", line, _line));
}
*/
}
if(currenttrack.sequence != 0)
{
if(currenttrack.pregap != currenttrack.sectors && !currenttrack.indexes.ContainsKey(1))
currenttrack.indexes.Add(1, currenttrack.startSector + currenttrack.pregap);
discimage.tracks.Add(currenttrack);
}
discimage.comment = commentBuilder.ToString();
// DEBUG information
DicConsole.DebugWriteLine("CDRDAO plugin", "Disc image parsing results");
DicConsole.DebugWriteLine("CDRDAO plugin", "Disc CD-TEXT:");
if(discimage.arranger == null)
DicConsole.DebugWriteLine("CDRDAO plugin", "\tArranger is not set.");
else
DicConsole.DebugWriteLine("CDRDAO plugin", "\tArranger: {0}", discimage.arranger);
if(discimage.composer == null)
DicConsole.DebugWriteLine("CDRDAO plugin", "\tComposer is not set.");
else
DicConsole.DebugWriteLine("CDRDAO plugin", "\tComposer: {0}", discimage.composer);
if(discimage.performer == null)
DicConsole.DebugWriteLine("CDRDAO plugin", "\tPerformer is not set.");
else
DicConsole.DebugWriteLine("CDRDAO plugin", "\tPerformer: {0}", discimage.performer);
if(discimage.songwriter == null)
DicConsole.DebugWriteLine("CDRDAO plugin", "\tSongwriter is not set.");
else
DicConsole.DebugWriteLine("CDRDAO plugin", "\tSongwriter: {0}", discimage.songwriter);
if(discimage.title == null)
DicConsole.DebugWriteLine("CDRDAO plugin", "\tTitle is not set.");
else
DicConsole.DebugWriteLine("CDRDAO plugin", "\tTitle: {0}", discimage.title);
DicConsole.DebugWriteLine("CDRDAO plugin", "Disc information:");
DicConsole.DebugWriteLine("CDRDAO plugin", "\tGuessed disk type: {0}", discimage.disktype);
if(discimage.barcode == null)
DicConsole.DebugWriteLine("CDRDAO plugin", "\tBarcode not set.");
else
DicConsole.DebugWriteLine("CDRDAO plugin", "\tBarcode: {0}", discimage.barcode);
if(discimage.disk_id == null)
DicConsole.DebugWriteLine("CDRDAO plugin", "\tDisc ID not set.");
else
DicConsole.DebugWriteLine("CDRDAO plugin", "\tDisc ID: {0}", discimage.disk_id);
if(discimage.mcn == null)
DicConsole.DebugWriteLine("CDRDAO plugin", "\tMCN not set.");
else
DicConsole.DebugWriteLine("CDRDAO plugin", "\tMCN: {0}", discimage.mcn);
if(string.IsNullOrEmpty(discimage.comment))
DicConsole.DebugWriteLine("CDRDAO plugin", "\tComment not set.");
else
DicConsole.DebugWriteLine("CDRDAO plugin", "\tComment: \"{0}\"", discimage.comment);
DicConsole.DebugWriteLine("CDRDAO plugin", "Track information:");
DicConsole.DebugWriteLine("CDRDAO plugin", "\tDisc contains {0} tracks", discimage.tracks.Count);
for(int i = 0; i < discimage.tracks.Count; i++)
{
DicConsole.DebugWriteLine("CDRDAO plugin", "\tTrack {0} information:", discimage.tracks[i].sequence);
DicConsole.DebugWriteLine("CDRDAO plugin", "\t\t{0} bytes per sector", discimage.tracks[i].bps);
DicConsole.DebugWriteLine("CDRDAO plugin", "\t\tPregap: {0} sectors", discimage.tracks[i].pregap);
DicConsole.DebugWriteLine("CDRDAO plugin", "\t\tData: {0} sectors starting at sector {1}", discimage.tracks[i].sectors, discimage.tracks[i].startSector);
DicConsole.DebugWriteLine("CDRDAO plugin", "\t\tPostgap: {0} sectors", discimage.tracks[i].postgap);
if(discimage.tracks[i].flag_4ch)
DicConsole.DebugWriteLine("CDRDAO plugin", "\t\tTrack is flagged as quadraphonic");
if(discimage.tracks[i].flag_dcp)
DicConsole.DebugWriteLine("CDRDAO plugin", "\t\tTrack allows digital copy");
if(discimage.tracks[i].flag_pre)
DicConsole.DebugWriteLine("CDRDAO plugin", "\t\tTrack has pre-emphasis applied");
DicConsole.DebugWriteLine("CDRDAO plugin", "\t\tTrack resides in file {0}, type defined as {1}, starting at byte {2}",
discimage.tracks[i].trackfile.datafilter, discimage.tracks[i].trackfile.filetype, discimage.tracks[i].trackfile.offset);
DicConsole.DebugWriteLine("CDRDAO plugin", "\t\tIndexes:");
foreach(KeyValuePair<int, ulong> kvp in discimage.tracks[i].indexes)
DicConsole.DebugWriteLine("CDRDAO plugin", "\t\t\tIndex {0} starts at sector {1}", kvp.Key, kvp.Value);
if(discimage.tracks[i].isrc == null)
DicConsole.DebugWriteLine("CDRDAO plugin", "\t\tISRC is not set.");
else
DicConsole.DebugWriteLine("CDRDAO plugin", "\t\tISRC: {0}", discimage.tracks[i].isrc);
if(discimage.tracks[i].arranger == null)
DicConsole.DebugWriteLine("CDRDAO plugin", "\t\tArranger is not set.");
else
DicConsole.DebugWriteLine("CDRDAO plugin", "\t\tArranger: {0}", discimage.tracks[i].arranger);
if(discimage.tracks[i].composer == null)
DicConsole.DebugWriteLine("CDRDAO plugin", "\t\tComposer is not set.");
else
DicConsole.DebugWriteLine("CDRDAO plugin", "\t\tComposer: {0}", discimage.tracks[i].composer);
if(discimage.tracks[i].performer == null)
DicConsole.DebugWriteLine("CDRDAO plugin", "\t\tPerformer is not set.");
else
DicConsole.DebugWriteLine("CDRDAO plugin", "\t\tPerformer: {0}", discimage.tracks[i].performer);
if(discimage.tracks[i].songwriter == null)
DicConsole.DebugWriteLine("CDRDAO plugin", "\t\tSongwriter is not set.");
else
DicConsole.DebugWriteLine("CDRDAO plugin", "\t\tSongwriter: {0}", discimage.tracks[i].songwriter);
if(discimage.tracks[i].title == null)
DicConsole.DebugWriteLine("CDRDAO plugin", "\t\tTitle is not set.");
else
DicConsole.DebugWriteLine("CDRDAO plugin", "\t\tTitle: {0}", discimage.tracks[i].title);
}
DicConsole.DebugWriteLine("CDRDAO plugin", "Building offset map");
partitions = new List<Partition>();
offsetmap = new Dictionary<uint, ulong>();
ulong byte_offset = 0;
ulong partitionSequence = 0;
for(int i = 0; i < discimage.tracks.Count; i++)
{
ulong index0_len = 0;
if(discimage.tracks[i].sequence == 1 && i != 0)
throw new ImageNotSupportedException("Unordered tracks");
Partition partition = new Partition();
// Index 01
partition.PartitionDescription = string.Format("Track {0}.", discimage.tracks[i].sequence);
partition.PartitionName = discimage.tracks[i].title;
partition.PartitionStartSector = discimage.tracks[i].startSector;
partition.PartitionLength = (discimage.tracks[i].sectors - index0_len) * discimage.tracks[i].bps;
partition.PartitionSectors = (discimage.tracks[i].sectors - index0_len);
partition.PartitionSequence = partitionSequence;
partition.PartitionStart = byte_offset;
partition.PartitionType = discimage.tracks[i].tracktype;
byte_offset += partition.PartitionLength;
partitionSequence++;
if(!offsetmap.ContainsKey(discimage.tracks[i].sequence))
offsetmap.Add(discimage.tracks[i].sequence, partition.PartitionStartSector);
else
{
ulong old_start;
offsetmap.TryGetValue(discimage.tracks[i].sequence, out old_start);
if(partition.PartitionStartSector < old_start)
{
offsetmap.Remove(discimage.tracks[i].sequence);
offsetmap.Add(discimage.tracks[i].sequence, partition.PartitionStartSector);
}
}
partitions.Add(partition);
partition = new Partition();
}
// Print partition map
DicConsole.DebugWriteLine("CDRDAO plugin", "printing partition map");
foreach(Partition partition in partitions)
{
DicConsole.DebugWriteLine("CDRDAO plugin", "Partition sequence: {0}", partition.PartitionSequence);
DicConsole.DebugWriteLine("CDRDAO plugin", "\tPartition name: {0}", partition.PartitionName);
DicConsole.DebugWriteLine("CDRDAO plugin", "\tPartition description: {0}", partition.PartitionDescription);
DicConsole.DebugWriteLine("CDRDAO plugin", "\tPartition type: {0}", partition.PartitionType);
DicConsole.DebugWriteLine("CDRDAO plugin", "\tPartition starting sector: {0}", partition.PartitionStartSector);
DicConsole.DebugWriteLine("CDRDAO plugin", "\tPartition sectors: {0}", partition.PartitionSectors);
DicConsole.DebugWriteLine("CDRDAO plugin", "\tPartition starting offset: {0}", partition.PartitionStart);
DicConsole.DebugWriteLine("CDRDAO plugin", "\tPartition size in bytes: {0}", partition.PartitionLength);
}
foreach(CDRDAOTrack track in discimage.tracks)
{
ImageInfo.imageSize += track.bps * track.sectors;
ImageInfo.sectors += track.sectors;
}
if(discimage.disktype == MediaType.CDG || discimage.disktype == MediaType.CDEG || discimage.disktype == MediaType.CDMIDI)
ImageInfo.sectorSize = 2448; // CD+G subchannels ARE user data, as CD+G are useless without them
else if(discimage.disktype != MediaType.CDROMXA && discimage.disktype != MediaType.CDDA && discimage.disktype != MediaType.CDI && discimage.disktype != MediaType.CDPLUS)
ImageInfo.sectorSize = 2048; // Only data tracks
else
ImageInfo.sectorSize = 2352; // All others
if(discimage.mcn != null)
ImageInfo.readableMediaTags.Add(MediaTagType.CD_MCN);
ImageInfo.imageApplication = "CDRDAO";
ImageInfo.imageCreationTime = imageFilter.GetCreationTime();
ImageInfo.imageLastModificationTime = imageFilter.GetLastWriteTime();
ImageInfo.imageComments = discimage.comment;
ImageInfo.mediaSerialNumber = discimage.mcn;
ImageInfo.mediaBarcode = discimage.barcode;
ImageInfo.mediaType = discimage.disktype;
ImageInfo.readableSectorTags.Add(SectorTagType.CDTrackFlags);
foreach(CDRDAOTrack track in discimage.tracks)
{
if(track.subchannel)
{
if(!ImageInfo.readableSectorTags.Contains(SectorTagType.CDSectorSubchannel))
ImageInfo.readableSectorTags.Add(SectorTagType.CDSectorSubchannel);
}
switch(track.tracktype)
{
case CDRDAOTrackTypeAudio:
{
if(!ImageInfo.readableSectorTags.Contains(SectorTagType.CDTrackISRC))
ImageInfo.readableSectorTags.Add(SectorTagType.CDTrackISRC);
break;
}
case CDRDAOTrackTypeMode2:
case CDRDAOTrackTypeMode2Mix:
{
if(!ImageInfo.readableSectorTags.Contains(SectorTagType.CDSectorSubHeader))
ImageInfo.readableSectorTags.Add(SectorTagType.CDSectorSubHeader);
if(!ImageInfo.readableSectorTags.Contains(SectorTagType.CDSectorEDC))
ImageInfo.readableSectorTags.Add(SectorTagType.CDSectorEDC);
break;
}
case CDRDAOTrackTypeMode2Raw:
{
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 CDRDAOTrackTypeMode1Raw:
{
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.CDSectorECC_P))
ImageInfo.readableSectorTags.Add(SectorTagType.CDSectorECC_P);
if(!ImageInfo.readableSectorTags.Contains(SectorTagType.CDSectorECC_Q))
ImageInfo.readableSectorTags.Add(SectorTagType.CDSectorECC_Q);
if(!ImageInfo.readableSectorTags.Contains(SectorTagType.CDSectorEDC))
ImageInfo.readableSectorTags.Add(SectorTagType.CDSectorEDC);
break;
}
}
}
ImageInfo.xmlMediaType = XmlMediaType.OpticalDisc;
DicConsole.VerboseWriteLine("CDRDAO image describes a disc of type {0}", ImageInfo.mediaType);
if(!string.IsNullOrEmpty(ImageInfo.imageComments))
DicConsole.VerboseWriteLine("CDRDAO comments: {0}", ImageInfo.imageComments);
return true;
}
catch(Exception ex)
{
DicConsole.ErrorWriteLine("Exception trying to identify image file {0}", imageFilter);
DicConsole.ErrorWriteLine("Exception: {0}", ex.Message);
DicConsole.ErrorWriteLine("Stack trace: {0}", ex.StackTrace);
return false;
}
}
public override bool ImageHasPartitions()
{
return ImageInfo.imageHasPartitions;
}
public override ulong GetImageSize()
{
return ImageInfo.imageSize;
}
public override ulong GetSectors()
{
return ImageInfo.sectors;
}
public override uint GetSectorSize()
{
return ImageInfo.sectorSize;
}
public override byte[] ReadDiskTag(MediaTagType tag)
{
switch(tag)
{
case MediaTagType.CD_MCN:
{
if(discimage.mcn != null)
{
return Encoding.ASCII.GetBytes(discimage.mcn);
}
throw new FeatureNotPresentImageException("Image does not contain MCN information.");
}
default:
throw new FeatureSupportedButNotImplementedImageException("Feature not supported by image format");
}
}
public override byte[] ReadSector(ulong sectorAddress)
{
return ReadSectors(sectorAddress, 1);
}
public override byte[] ReadSectorTag(ulong sectorAddress, SectorTagType tag)
{
return ReadSectorsTag(sectorAddress, 1, tag);
}
public override byte[] ReadSector(ulong sectorAddress, uint track)
{
return ReadSectors(sectorAddress, 1, track);
}
public override byte[] ReadSectorTag(ulong sectorAddress, uint track, SectorTagType tag)
{
return ReadSectorsTag(sectorAddress, 1, track, tag);
}
public override byte[] ReadSectors(ulong sectorAddress, uint length)
{
foreach(KeyValuePair<uint, ulong> kvp in offsetmap)
{
if(sectorAddress >= kvp.Value)
{
foreach(CDRDAOTrack cdrdao_track in discimage.tracks)
{
if(cdrdao_track.sequence == kvp.Key)
{
if((sectorAddress - kvp.Value) < cdrdao_track.sectors)
return ReadSectors((sectorAddress - kvp.Value), length, kvp.Key);
}
}
}
}
throw new ArgumentOutOfRangeException(nameof(sectorAddress), string.Format("Sector address {0} not found", sectorAddress));
}
public override byte[] ReadSectorsTag(ulong sectorAddress, uint length, SectorTagType tag)
{
foreach(KeyValuePair<uint, ulong> kvp in offsetmap)
{
if(sectorAddress >= kvp.Value)
{
foreach(CDRDAOTrack cdrdao_track in discimage.tracks)
{
if(cdrdao_track.sequence == kvp.Key)
{
if((sectorAddress - kvp.Value) < cdrdao_track.sectors)
return ReadSectorsTag((sectorAddress - kvp.Value), length, kvp.Key, tag);
}
}
}
}
throw new ArgumentOutOfRangeException(nameof(sectorAddress), string.Format("Sector address {0} not found", sectorAddress));
}
public override byte[] ReadSectors(ulong sectorAddress, uint length, uint track)
{
CDRDAOTrack _track = new CDRDAOTrack();
_track.sequence = 0;
foreach(CDRDAOTrack cdrdao_track in discimage.tracks)
{
if(cdrdao_track.sequence == track)
{
_track = cdrdao_track;
break;
}
}
if(_track.sequence == 0)
throw new ArgumentOutOfRangeException(nameof(track), "Track does not exist in disc image");
if(length > _track.sectors)
throw new ArgumentOutOfRangeException(nameof(length), "Requested more sectors than present in track, won't cross tracks");
uint sector_offset;
uint sector_size;
uint sector_skip;
switch(_track.tracktype)
{
case CDRDAOTrackTypeMode1:
case CDRDAOTrackTypeMode2Form1:
{
sector_offset = 0;
sector_size = 2048;
sector_skip = 0;
break;
}
case CDRDAOTrackTypeMode2Form2:
{
sector_offset = 0;
sector_size = 2324;
sector_skip = 0;
break;
}
case CDRDAOTrackTypeMode2:
case CDRDAOTrackTypeMode2Mix:
{
sector_offset = 0;
sector_size = 2336;
sector_skip = 0;
break;
}
case CDRDAOTrackTypeAudio:
{
sector_offset = 0;
sector_size = 2352;
sector_skip = 0;
break;
}
case CDRDAOTrackTypeMode1Raw:
{
sector_offset = 16;
sector_size = 2048;
sector_skip = 288;
break;
}
case CDRDAOTrackTypeMode2Raw:
{
sector_offset = 16;
sector_size = 2336;
sector_skip = 0;
break;
}
default:
throw new FeatureSupportedButNotImplementedImageException("Unsupported track type");
}
if(_track.subchannel)
sector_skip += 96;
byte[] buffer = new byte[sector_size * length];
imageStream = _track.trackfile.datafilter.GetDataForkStream();
BinaryReader br = new BinaryReader(imageStream);
br.BaseStream.Seek((long)_track.trackfile.offset + (long)(sectorAddress * (sector_offset + sector_size + sector_skip)), SeekOrigin.Begin);
if(sector_offset == 0 && sector_skip == 0)
buffer = br.ReadBytes((int)(sector_size * length));
else
{
for(int i = 0; i < length; i++)
{
byte[] sector;
br.BaseStream.Seek(sector_offset, SeekOrigin.Current);
sector = br.ReadBytes((int)sector_size);
br.BaseStream.Seek(sector_skip, SeekOrigin.Current);
Array.Copy(sector, 0, buffer, i * sector_size, sector_size);
}
}
return buffer;
}
public override byte[] ReadSectorsTag(ulong sectorAddress, uint length, uint track, SectorTagType tag)
{
CDRDAOTrack _track = new CDRDAOTrack();
_track.sequence = 0;
foreach(CDRDAOTrack cdrdao_track in discimage.tracks)
{
if(cdrdao_track.sequence == track)
{
_track = cdrdao_track;
break;
}
}
if(_track.sequence == 0)
throw new ArgumentOutOfRangeException(nameof(track), "Track does not exist in disc image");
if(length > _track.sectors)
throw new ArgumentOutOfRangeException(nameof(length), "Requested more sectors than present in track, won't cross tracks");
uint sector_offset;
uint sector_size;
uint sector_skip = 0;
if(!_track.subchannel && tag == SectorTagType.CDSectorSubchannel)
throw new ArgumentException("No tags in image for requested track", nameof(tag));
switch(tag)
{
case SectorTagType.CDSectorECC:
case SectorTagType.CDSectorECC_P:
case SectorTagType.CDSectorECC_Q:
case SectorTagType.CDSectorEDC:
case SectorTagType.CDSectorHeader:
case SectorTagType.CDSectorSubchannel:
case SectorTagType.CDSectorSubHeader:
case SectorTagType.CDSectorSync:
break;
case SectorTagType.CDTrackFlags:
{
byte[] flags = new byte[1];
if(_track.tracktype != CDRDAOTrackTypeAudio)
flags[0] += 0x40;
if(_track.flag_dcp)
flags[0] += 0x20;
if(_track.flag_pre)
flags[0] += 0x10;
if(_track.flag_4ch)
flags[0] += 0x80;
return flags;
}
case SectorTagType.CDTrackISRC:
return Encoding.UTF8.GetBytes(_track.isrc);
default:
throw new ArgumentException("Unsupported tag requested", nameof(tag));
}
switch(_track.tracktype)
{
case CDRDAOTrackTypeMode1:
case CDRDAOTrackTypeMode2Form1:
if(tag == SectorTagType.CDSectorSubchannel)
{
sector_offset = 2048;
sector_size = 96;
break;
}
throw new ArgumentException("No tags in image for requested track", nameof(tag));
case CDRDAOTrackTypeMode2Form2:
case CDRDAOTrackTypeMode2Mix:
if(tag == SectorTagType.CDSectorSubchannel)
{
sector_offset = 2336;
sector_size = 96;
break;
}
throw new ArgumentException("No tags in image for requested track", nameof(tag));
case CDRDAOTrackTypeAudio:
if(tag == SectorTagType.CDSectorSubchannel)
{
sector_offset = 2352;
sector_size = 96;
break;
}
throw new ArgumentException("No tags in image for requested track", nameof(tag));
case CDRDAOTrackTypeMode1Raw:
{
switch(tag)
{
case SectorTagType.CDSectorSync:
{
sector_offset = 0;
sector_size = 12;
sector_skip = 2340;
break;
}
case SectorTagType.CDSectorHeader:
{
sector_offset = 12;
sector_size = 4;
sector_skip = 2336;
break;
}
case SectorTagType.CDSectorSubchannel:
{
sector_offset = 2352;
sector_size = 96;
break;
}
case SectorTagType.CDSectorSubHeader:
throw new ArgumentException("Unsupported tag requested for this track", nameof(tag));
case SectorTagType.CDSectorECC:
{
sector_offset = 2076;
sector_size = 276;
sector_skip = 0;
break;
}
case SectorTagType.CDSectorECC_P:
{
sector_offset = 2076;
sector_size = 172;
sector_skip = 104;
break;
}
case SectorTagType.CDSectorECC_Q:
{
sector_offset = 2248;
sector_size = 104;
sector_skip = 0;
break;
}
case SectorTagType.CDSectorEDC:
{
sector_offset = 2064;
sector_size = 4;
sector_skip = 284;
break;
}
default:
throw new ArgumentException("Unsupported tag requested", nameof(tag));
}
break;
}
case CDRDAOTrackTypeMode2Raw: // Requires reading sector
if(tag == SectorTagType.CDSectorSubchannel)
{
sector_offset = 2352;
sector_size = 96;
break;
}
throw new FeatureSupportedButNotImplementedImageException("Feature not yet implemented");
default:
throw new FeatureSupportedButNotImplementedImageException("Unsupported track type");
}
byte[] buffer = new byte[sector_size * length];
imageStream = _track.trackfile.datafilter.GetDataForkStream();
BinaryReader br = new BinaryReader(imageStream);
br.BaseStream.Seek((long)_track.trackfile.offset + (long)(sectorAddress * (sector_offset + sector_size + sector_skip)), SeekOrigin.Begin);
if(sector_offset == 0 && sector_skip == 0)
buffer = br.ReadBytes((int)(sector_size * length));
else
{
for(int i = 0; i < length; i++)
{
byte[] sector;
br.BaseStream.Seek(sector_offset, SeekOrigin.Current);
sector = br.ReadBytes((int)sector_size);
br.BaseStream.Seek(sector_skip, SeekOrigin.Current);
Array.Copy(sector, 0, buffer, i * sector_size, sector_size);
}
}
return buffer;
}
public override byte[] ReadSectorLong(ulong sectorAddress)
{
return ReadSectorsLong(sectorAddress, 1);
}
public override byte[] ReadSectorLong(ulong sectorAddress, uint track)
{
return ReadSectorsLong(sectorAddress, 1, track);
}
public override byte[] ReadSectorsLong(ulong sectorAddress, uint length)
{
foreach(KeyValuePair<uint, ulong> kvp in offsetmap)
{
if(sectorAddress >= kvp.Value)
{
foreach(CDRDAOTrack cdrdao_track in discimage.tracks)
{
if(cdrdao_track.sequence == kvp.Key)
{
if((sectorAddress - kvp.Value) < cdrdao_track.sectors)
return ReadSectorsLong((sectorAddress - kvp.Value), length, kvp.Key);
}
}
}
}
throw new ArgumentOutOfRangeException(nameof(sectorAddress), "Sector address not found");
}
public override byte[] ReadSectorsLong(ulong sectorAddress, uint length, uint track)
{
CDRDAOTrack _track = new CDRDAOTrack();
_track.sequence = 0;
foreach(CDRDAOTrack cdrdao_track in discimage.tracks)
{
if(cdrdao_track.sequence == track)
{
_track = cdrdao_track;
break;
}
}
if(_track.sequence == 0)
throw new ArgumentOutOfRangeException(nameof(track), "Track does not exist in disc image");
if(length > _track.sectors)
throw new ArgumentOutOfRangeException(nameof(length), "Requested more sectors than present in track, won't cross tracks");
uint sector_offset;
uint sector_size;
uint sector_skip;
switch(_track.tracktype)
{
case CDRDAOTrackTypeMode1:
case CDRDAOTrackTypeMode2Form1:
{
sector_offset = 0;
sector_size = 2048;
sector_skip = 0;
break;
}
case CDRDAOTrackTypeMode2Form2:
{
sector_offset = 0;
sector_size = 2324;
sector_skip = 0;
break;
}
case CDRDAOTrackTypeMode2:
case CDRDAOTrackTypeMode2Mix:
{
sector_offset = 0;
sector_size = 2336;
sector_skip = 0;
break;
}
case CDRDAOTrackTypeMode1Raw:
case CDRDAOTrackTypeMode2Raw:
case CDRDAOTrackTypeAudio:
{
sector_offset = 0;
sector_size = 2352;
sector_skip = 0;
break;
}
default:
throw new FeatureSupportedButNotImplementedImageException("Unsupported track type");
}
if(_track.subchannel)
sector_skip += 96;
byte[] buffer = new byte[sector_size * length];
imageStream = _track.trackfile.datafilter.GetDataForkStream();
BinaryReader br = new BinaryReader(imageStream);
br.BaseStream.Seek((long)_track.trackfile.offset + (long)(sectorAddress * (sector_offset + sector_size + sector_skip)), SeekOrigin.Begin);
if(sector_offset == 0 && sector_skip == 0)
buffer = br.ReadBytes((int)(sector_size * length));
else
{
for(int i = 0; i < length; i++)
{
byte[] sector;
br.BaseStream.Seek(sector_offset, SeekOrigin.Current);
sector = br.ReadBytes((int)sector_size);
br.BaseStream.Seek(sector_skip, SeekOrigin.Current);
Array.Copy(sector, 0, buffer, i * sector_size, sector_size);
}
}
return buffer;
}
public override string GetImageFormat()
{
return "CDRDAO tocfile";
}
public override string GetImageVersion()
{
return ImageInfo.imageVersion;
}
public override string GetImageApplication()
{
return ImageInfo.imageApplication;
}
public override string GetImageApplicationVersion()
{
return ImageInfo.imageApplicationVersion;
}
public override DateTime GetImageCreationTime()
{
return ImageInfo.imageCreationTime;
}
public override DateTime GetImageLastModificationTime()
{
return ImageInfo.imageLastModificationTime;
}
public override string GetImageComments()
{
return ImageInfo.imageComments;
}
public override string GetMediaSerialNumber()
{
return ImageInfo.mediaSerialNumber;
}
public override string GetMediaBarcode()
{
return ImageInfo.mediaBarcode;
}
public override MediaType GetMediaType()
{
return ImageInfo.mediaType;
}
public override List<Partition> GetPartitions()
{
return partitions;
}
public override List<Track> GetTracks()
{
List<Track> tracks = new List<Track>();
foreach(CDRDAOTrack cdr_track in discimage.tracks)
{
Track _track = new Track();
_track.Indexes = cdr_track.indexes;
_track.TrackDescription = cdr_track.title;
if(!cdr_track.indexes.TryGetValue(0, out _track.TrackStartSector))
cdr_track.indexes.TryGetValue(1, out _track.TrackStartSector);
_track.TrackStartSector = cdr_track.startSector;
_track.TrackEndSector = _track.TrackStartSector + cdr_track.sectors - 1;
_track.TrackPregap = cdr_track.pregap;
_track.TrackSession = 1;
_track.TrackSequence = cdr_track.sequence;
_track.TrackType = CDRDAOTrackTypeToTrackType(cdr_track.tracktype);
_track.TrackFilter = cdr_track.trackfile.datafilter;
_track.TrackFile = cdr_track.trackfile.datafilter.GetFilename();
_track.TrackFileOffset = cdr_track.trackfile.offset;
_track.TrackFileType = cdr_track.trackfile.filetype;
_track.TrackRawBytesPerSector = cdr_track.bps;
_track.TrackBytesPerSector = CDRDAOTrackTypeToCookedBytesPerSector(cdr_track.tracktype);
if(cdr_track.subchannel)
{
_track.TrackSubchannelType = cdr_track.packedsubchannel ? TrackSubchannelType.PackedInterleaved : TrackSubchannelType.RawInterleaved;
_track.TrackSubchannelFilter = cdr_track.trackfile.datafilter;
_track.TrackSubchannelFile = cdr_track.trackfile.datafilter.GetFilename();
_track.TrackSubchannelOffset = cdr_track.trackfile.offset;
}
else
_track.TrackSubchannelType = TrackSubchannelType.None;
tracks.Add(_track);
}
return tracks;
}
public override List<Track> GetSessionTracks(Session session)
{
return GetSessionTracks(session.SessionSequence);
}
public override List<Track> GetSessionTracks(ushort session)
{
if(session == 1)
return GetTracks();
throw new ImageNotSupportedException("Session does not exist in disc image");
}
public override List<Session> GetSessions()
{
// TODO
throw new NotImplementedException();
}
public override bool? VerifySector(ulong sectorAddress)
{
byte[] buffer = ReadSectorLong(sectorAddress);
return Checksums.CDChecksums.CheckCDSector(buffer);
}
public override bool? VerifySector(ulong sectorAddress, uint track)
{
byte[] buffer = ReadSectorLong(sectorAddress, track);
return Checksums.CDChecksums.CheckCDSector(buffer);
}
public override 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 = Checksums.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;
if(FailingLBAs.Count > 0)
return false;
return true;
}
public override 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 = Checksums.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;
if(FailingLBAs.Count > 0)
return false;
return true;
}
public override bool? VerifyMediaImage()
{
return null;
}
#endregion
#region Private methods
static ushort CDRDAOTrackTypeToBytesPerSector(string trackType)
{
switch(trackType)
{
case CDRDAOTrackTypeMode1:
case CDRDAOTrackTypeMode2Form1:
return 2048;
case CDRDAOTrackTypeMode2Form2:
return 2324;
case CDRDAOTrackTypeMode2:
case CDRDAOTrackTypeMode2Mix:
return 2336;
case CDRDAOTrackTypeAudio:
case CDRDAOTrackTypeMode1Raw:
case CDRDAOTrackTypeMode2Raw:
return 2352;
default:
return 0;
}
}
static ushort CDRDAOTrackTypeToCookedBytesPerSector(string trackType)
{
switch(trackType)
{
case CDRDAOTrackTypeMode1:
case CDRDAOTrackTypeMode2Form1:
case CDRDAOTrackTypeMode1Raw:
return 2048;
case CDRDAOTrackTypeMode2Form2:
return 2324;
case CDRDAOTrackTypeMode2:
case CDRDAOTrackTypeMode2Mix:
case CDRDAOTrackTypeMode2Raw:
return 2336;
case CDRDAOTrackTypeAudio:
return 2352;
default:
return 0;
}
}
static TrackType CDRDAOTrackTypeToTrackType(string trackType)
{
switch(trackType)
{
case CDRDAOTrackTypeMode1:
case CDRDAOTrackTypeMode1Raw:
return TrackType.CDMode1;
case CDRDAOTrackTypeMode2Form1:
return TrackType.CDMode2Form1;
case CDRDAOTrackTypeMode2Form2:
return TrackType.CDMode2Form2;
case CDRDAOTrackTypeMode2:
case CDRDAOTrackTypeMode2Mix:
case CDRDAOTrackTypeMode2Raw:
return TrackType.CDMode2Formless;
case CDRDAOTrackTypeAudio:
return TrackType.Audio;
default:
return TrackType.Data;
}
}
#endregion
#region Unsupported features
public override int GetMediaSequence()
{
return ImageInfo.mediaSequence;
}
public override int GetLastDiskSequence()
{
return ImageInfo.lastMediaSequence;
}
public override string GetDriveManufacturer()
{
return ImageInfo.driveManufacturer;
}
public override string GetDriveModel()
{
return ImageInfo.driveModel;
}
public override string GetDriveSerialNumber()
{
return ImageInfo.driveSerialNumber;
}
public override string GetMediaPartNumber()
{
return ImageInfo.mediaPartNumber;
}
public override string GetMediaManufacturer()
{
return ImageInfo.mediaManufacturer;
}
public override string GetMediaModel()
{
return ImageInfo.mediaModel;
}
public override string GetImageName()
{
return ImageInfo.imageName;
}
public override string GetImageCreator()
{
return ImageInfo.imageCreator;
}
#endregion
}
}