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🐛Correct track flags on CD images.

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This commit is contained in:
Natalia Portillo
2018-01-01 21:32:12 +00:00
parent 4756fd8e7c
commit aa493b53e5
6 changed files with 1171 additions and 1117 deletions
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567
DiscImageChef.DiscImages/CDRDAO.cs
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File diff suppressed because it is too large Load Diff

12
DiscImageChef.DiscImages/CDRWin.cs
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@@ -1438,18 +1438,18 @@ namespace DiscImageChef.DiscImages
case SectorTagType.CdSectorSync: break;
case SectorTagType.CdTrackFlags:
{
byte[] flags = new byte[1];
CdFlags flags = 0;
if(dicTrack.Tracktype != CDRWIN_TRACK_TYPE_AUDIO && dicTrack.Tracktype != CDRWIN_TRACK_TYPE_CDG)
flags[0] += 0x40;
flags |= CdFlags.DataTrack;
if(dicTrack.FlagDcp) flags[0] += 0x20;
if(dicTrack.FlagDcp) flags |= CdFlags.CopyPermitted;
if(dicTrack.FlagPre) flags[0] += 0x10;
if(dicTrack.FlagPre) flags |= CdFlags.PreEmphasis;
if(dicTrack.Flag4ch) flags[0] += 0x80;
if(dicTrack.Flag4ch) flags |= CdFlags.FourChannel;
return flags;
return new[] {(byte)flags};
}
case SectorTagType.CdTrackIsrc: return Encoding.UTF8.GetBytes(dicTrack.Isrc);
case SectorTagType.CdTrackText:

686
DiscImageChef.DiscImages/CloneCD.cs
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File diff suppressed because it is too large Load Diff

8
DiscImageChef.DiscImages/Enums.cs
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@@ -281,12 +281,12 @@ namespace DiscImageChef.DiscImages
public enum CdFlags : byte
{
/// <summary>Track is quadraphonic.</summary>
FourChannel = 0x20,
FourChannel = 0x08,
/// <summary>Track is non-audio (data).</summary>
DataTrack = 0x10,
DataTrack = 0x04,
/// <summary>Track is copy protected.</summary>
CopyPrevent = 0x08,
CopyPermitted = 0x02,
/// <summary>Track has pre-emphasis.</summary>
PreEmphasis = 0x04
PreEmphasis = 0x01
}
}

310
DiscImageChef.DiscImages/GDI.cs
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@@ -49,46 +49,45 @@ namespace DiscImageChef.DiscImages
const string REGEX_TRACK =
@"\s?(?<track>\d+)\s+(?<start>\d+)\s(?<flags>\d)\s(?<type>2352|2048)\s(?<filename>.+)\s(?<offset>\d+)$";
ulong densitySeparationSectors;
GdiDisc discimage;
ulong densitySeparationSectors;
GdiDisc discimage;
StreamReader gdiStream;
ImageInfo imageInfo;
Stream imageStream;
ImageInfo imageInfo;
Stream imageStream;
/// <summary>Dictionary, index is track #, value is track number, or 0 if a TOC</summary>
Dictionary<uint, ulong> offsetmap;
List<Partition> partitions;
public Gdi()
{
imageInfo = new ImageInfo
{
ReadableSectorTags = new List<SectorTagType>(),
ReadableMediaTags = new List<MediaTagType>(),
HasPartitions = true,
HasSessions = true,
Version = null,
ApplicationVersion = null,
MediaTitle = null,
Creator = null,
MediaManufacturer = null,
MediaModel = null,
MediaPartNumber = null,
MediaSequence = 0,
LastMediaSequence = 0,
DriveManufacturer = null,
DriveModel = null,
DriveSerialNumber = null,
ReadableSectorTags = new List<SectorTagType>(),
ReadableMediaTags = new List<MediaTagType>(),
HasPartitions = true,
HasSessions = true,
Version = null,
ApplicationVersion = null,
MediaTitle = null,
Creator = null,
MediaManufacturer = null,
MediaModel = null,
MediaPartNumber = null,
MediaSequence = 0,
LastMediaSequence = 0,
DriveManufacturer = null,
DriveModel = null,
DriveSerialNumber = null,
DriveFirmwareRevision = null
};
}
public string Name => "Dreamcast GDI image";
public Guid Id => new Guid("281ECBF2-D2A7-414C-8497-1A33F6DCB2DD");
public string Name => "Dreamcast GDI image";
public Guid Id => new Guid("281ECBF2-D2A7-414C-8497-1A33F6DCB2DD");
public ImageInfo Info => imageInfo;
public string Format => "Dreamcast GDI image";
public List<Partition> Partitions => partitions;
public List<Partition> Partitions { get; set; }
public List<Track> Tracks
{
@@ -100,20 +99,20 @@ namespace DiscImageChef.DiscImages
{
Track track = new Track
{
Indexes = new Dictionary<int, ulong>(),
TrackDescription = null,
TrackStartSector = gdiTrack.StartSector,
TrackPregap = gdiTrack.Pregap,
TrackSession = (ushort)(gdiTrack.HighDensity ? 2 : 1),
TrackSequence = gdiTrack.Sequence,
TrackType = gdiTrack.Tracktype,
TrackFilter = gdiTrack.Trackfilter,
TrackFile = gdiTrack.Trackfile,
TrackFileOffset = (ulong)gdiTrack.Offset,
TrackFileType = "BINARY",
Indexes = new Dictionary<int, ulong>(),
TrackDescription = null,
TrackStartSector = gdiTrack.StartSector,
TrackPregap = gdiTrack.Pregap,
TrackSession = (ushort)(gdiTrack.HighDensity ? 2 : 1),
TrackSequence = gdiTrack.Sequence,
TrackType = gdiTrack.Tracktype,
TrackFilter = gdiTrack.Trackfilter,
TrackFile = gdiTrack.Trackfile,
TrackFileOffset = (ulong)gdiTrack.Offset,
TrackFileType = "BINARY",
TrackRawBytesPerSector = gdiTrack.Bps,
TrackBytesPerSector = gdiTrack.Tracktype == TrackType.Data ? 2048 : 2352,
TrackSubchannelType = TrackSubchannelType.None
TrackBytesPerSector = gdiTrack.Tracktype == TrackType.Data ? 2048 : 2352,
TrackSubchannelType = TrackSubchannelType.None
};
track.TrackEndSector = track.TrackStartSector + gdiTrack.Sectors - 1;
@@ -154,17 +153,20 @@ namespace DiscImageChef.DiscImages
return false;
}
gdiStream = new StreamReader(imageFilter.GetDataForkStream());
int lineNumber = 0;
gdiStream = new StreamReader(imageFilter.GetDataForkStream());
int lineNumber = 0;
int tracksFound = 0;
int tracks = 0;
int tracks = 0;
while(gdiStream.Peek() >= 0)
{
lineNumber++;
string line = gdiStream.ReadLine();
if(lineNumber == 1) { if(!int.TryParse(line, out tracks)) return false; }
if(lineNumber == 1)
{
if(!int.TryParse(line, out tracks)) return false;
}
else
{
Regex regexTrack = new Regex(REGEX_TRACK);
@@ -184,8 +186,8 @@ namespace DiscImageChef.DiscImages
catch(Exception ex)
{
DicConsole.ErrorWriteLine("Exception trying to identify image file {0}", imageFilter.GetBasePath());
DicConsole.ErrorWriteLine("Exception: {0}", ex.Message);
DicConsole.ErrorWriteLine("Stack trace: {0}", ex.StackTrace);
DicConsole.ErrorWriteLine("Exception: {0}", ex.Message);
DicConsole.ErrorWriteLine("Stack trace: {0}", ex.StackTrace);
return false;
}
}
@@ -197,8 +199,8 @@ namespace DiscImageChef.DiscImages
try
{
imageFilter.GetDataForkStream().Seek(0, SeekOrigin.Begin);
gdiStream = new StreamReader(imageFilter.GetDataForkStream());
int lineNumber = 0;
gdiStream = new StreamReader(imageFilter.GetDataForkStream());
int lineNumber = 0;
bool highDensity = false;
// Initialize all RegExs
@@ -209,8 +211,8 @@ namespace DiscImageChef.DiscImages
// Initialize disc
discimage = new GdiDisc {Sessions = new List<Session>(), Tracks = new List<GdiTrack>()};
ulong currentStart = 0;
offsetmap = new Dictionary<uint, ulong>();
ulong currentStart = 0;
offsetmap = new Dictionary<uint, ulong>();
densitySeparationSectors = 0;
while(gdiStream.Peek() >= 0)
@@ -237,13 +239,13 @@ namespace DiscImageChef.DiscImages
trackMatch.Groups["filename"].Value,
trackMatch.Groups["offset"].Value, lineNumber);
FiltersList filtersList = new FiltersList();
GdiTrack currentTrack = new GdiTrack
FiltersList filtersList = new FiltersList();
GdiTrack currentTrack = new GdiTrack
{
Bps = ushort.Parse(trackMatch.Groups["type"].Value),
Flags = (byte)(byte.Parse(trackMatch.Groups["flags"].Value) * 0x10),
Offset = long.Parse(trackMatch.Groups["offset"].Value),
Sequence = uint.Parse(trackMatch.Groups["track"].Value),
Bps = ushort.Parse(trackMatch.Groups["type"].Value),
Flags = byte.Parse(trackMatch.Groups["flags"].Value),
Offset = long.Parse(trackMatch.Groups["offset"].Value),
Sequence = uint.Parse(trackMatch.Groups["track"].Value),
StartSector = ulong.Parse(trackMatch.Groups["start"].Value),
Trackfilter =
filtersList.GetFilter(Path.Combine(imageFilter.GetParentFolder(),
@@ -253,16 +255,16 @@ namespace DiscImageChef.DiscImages
currentTrack.Trackfile = currentTrack.Trackfilter.GetFilename();
if(currentTrack.StartSector - currentStart > 0)
if(currentTrack.StartSector == 45000)
if(currentTrack.StartSector == 45000)
{
highDensity = true;
offsetmap.Add(0, currentStart);
densitySeparationSectors = currentTrack.StartSector - currentStart;
currentStart = currentTrack.StartSector;
currentStart = currentTrack.StartSector;
}
else
{
currentTrack.Pregap = currentTrack.StartSector - currentStart;
currentTrack.Pregap = currentTrack.StartSector - currentStart;
currentTrack.StartSector -= currentTrack.StartSector - currentStart;
}
@@ -272,12 +274,12 @@ namespace DiscImageChef.DiscImages
currentTrack.Sectors =
(ulong)((currentTrack.Trackfilter.GetDataForkLength() - currentTrack.Offset) /
currentTrack.Bps);
currentTrack.Sectors += currentTrack.Pregap;
currentStart += currentTrack.Sectors;
currentTrack.HighDensity = highDensity;
currentTrack.Sectors += currentTrack.Pregap;
currentStart += currentTrack.Sectors;
currentTrack.HighDensity = highDensity;
currentTrack.Tracktype =
(currentTrack.Flags & 0x40) == 0x40 ? TrackType.CdMode1 : TrackType.Audio;
(currentTrack.Flags & 0x4) == 0x4 ? TrackType.CdMode1 : TrackType.Audio;
discimage.Tracks.Add(currentTrack);
}
@@ -285,20 +287,21 @@ namespace DiscImageChef.DiscImages
Session[] sessions = new Session[2];
for(int s = 0; s < sessions.Length; s++)
if(s == 0)
if(s == 0)
{
sessions[s].SessionSequence = 1;
foreach(GdiTrack trk in discimage.Tracks.Where(trk => !trk.HighDensity))
{
if(sessions[s].StartTrack == 0) sessions[s].StartTrack = trk.Sequence;
else if(sessions[s].StartTrack > trk.Sequence) sessions[s].StartTrack = trk.Sequence;
if(sessions[s].StartTrack == 0) sessions[s].StartTrack = trk.Sequence;
else if(sessions[s].StartTrack > trk.Sequence)
sessions[s].StartTrack = trk.Sequence;
if(sessions[s].EndTrack < trk.Sequence) sessions[s].EndTrack = trk.Sequence;
if(sessions[s].StartSector > trk.StartSector) sessions[s].StartSector = trk.StartSector;
if(sessions[s].EndSector < trk.Sectors + trk.StartSector - 1)
if(sessions[s].EndSector < trk.Sectors + trk.StartSector - 1)
sessions[s].EndSector = trk.Sectors + trk.StartSector - 1;
}
}
@@ -308,14 +311,15 @@ namespace DiscImageChef.DiscImages
foreach(GdiTrack trk in discimage.Tracks.Where(trk => trk.HighDensity))
{
if(sessions[s].StartTrack == 0) sessions[s].StartTrack = trk.Sequence;
else if(sessions[s].StartTrack > trk.Sequence) sessions[s].StartTrack = trk.Sequence;
if(sessions[s].StartTrack == 0) sessions[s].StartTrack = trk.Sequence;
else if(sessions[s].StartTrack > trk.Sequence)
sessions[s].StartTrack = trk.Sequence;
if(sessions[s].EndTrack < trk.Sequence) sessions[s].EndTrack = trk.Sequence;
if(sessions[s].StartSector > trk.StartSector) sessions[s].StartSector = trk.StartSector;
if(sessions[s].EndSector < trk.Sectors + trk.StartSector - 1)
if(sessions[s].EndSector < trk.Sectors + trk.StartSector - 1)
sessions[s].EndSector = trk.Sectors + trk.StartSector - 1;
}
}
@@ -337,7 +341,7 @@ namespace DiscImageChef.DiscImages
discimage.Sessions[i].StartTrack);
DicConsole.DebugWriteLine("GDI plugin", "\t\tStarting sector: {0}",
discimage.Sessions[i].StartSector);
DicConsole.DebugWriteLine("GDI plugin", "\t\tEnding track: {0}", discimage.Sessions[i].EndTrack);
DicConsole.DebugWriteLine("GDI plugin", "\t\tEnding track: {0}", discimage.Sessions[i].EndTrack);
DicConsole.DebugWriteLine("GDI plugin", "\t\tEnding sector: {0}", discimage.Sessions[i].EndSector);
}
@@ -347,15 +351,15 @@ namespace DiscImageChef.DiscImages
{
DicConsole.DebugWriteLine("GDI plugin", "\tTrack {0} information:", discimage.Tracks[i].Sequence);
DicConsole.DebugWriteLine("GDI plugin", "\t\t{0} bytes per sector", discimage.Tracks[i].Bps);
DicConsole.DebugWriteLine("GDI plugin", "\t\tPregap: {0} sectors", discimage.Tracks[i].Pregap);
DicConsole.DebugWriteLine("GDI plugin", "\t\tPregap: {0} sectors", discimage.Tracks[i].Pregap);
if((discimage.Tracks[i].Flags & 0x80) == 0x80)
if((discimage.Tracks[i].Flags & 0x8) == 0x8)
DicConsole.DebugWriteLine("GDI plugin", "\t\tTrack is flagged as quadraphonic");
if((discimage.Tracks[i].Flags & 0x40) == 0x40)
if((discimage.Tracks[i].Flags & 0x4) == 0x4)
DicConsole.DebugWriteLine("GDI plugin", "\t\tTrack is data");
if((discimage.Tracks[i].Flags & 0x20) == 0x20)
if((discimage.Tracks[i].Flags & 0x2) == 0x2)
DicConsole.DebugWriteLine("GDI plugin", "\t\tTrack allows digital copy");
if((discimage.Tracks[i].Flags & 0x10) == 0x10)
if((discimage.Tracks[i].Flags & 0x1) == 0x1)
DicConsole.DebugWriteLine("GDI plugin", "\t\tTrack has pre-emphasis applied");
DicConsole.DebugWriteLine("GDI plugin",
@@ -366,7 +370,7 @@ namespace DiscImageChef.DiscImages
DicConsole.DebugWriteLine("GDI plugin", "Building offset map");
partitions = new List<Partition>();
Partitions = new List<Partition>();
ulong byteOffset = 0;
for(int i = 0; i < discimage.Tracks.Count; i++)
@@ -378,29 +382,29 @@ namespace DiscImageChef.DiscImages
Partition partition = new Partition
{
Description = $"Track {discimage.Tracks[i].Sequence}.",
Name = null,
Start = discimage.Tracks[i].StartSector,
Size = discimage.Tracks[i].Sectors * discimage.Tracks[i].Bps,
Length = discimage.Tracks[i].Sectors,
Sequence = discimage.Tracks[i].Sequence,
Offset = byteOffset,
Type = discimage.Tracks[i].Tracktype.ToString()
Name = null,
Start = discimage.Tracks[i].StartSector,
Size = discimage.Tracks[i].Sectors * discimage.Tracks[i].Bps,
Length = discimage.Tracks[i].Sectors,
Sequence = discimage.Tracks[i].Sequence,
Offset = byteOffset,
Type = discimage.Tracks[i].Tracktype.ToString()
};
byteOffset += partition.Size;
offsetmap.Add(discimage.Tracks[i].Sequence, partition.Start);
partitions.Add(partition);
Partitions.Add(partition);
}
foreach(GdiTrack track in discimage.Tracks) imageInfo.ImageSize += track.Bps * track.Sectors;
foreach(GdiTrack track in discimage.Tracks) imageInfo.Sectors += track.Sectors;
foreach(GdiTrack track in discimage.Tracks) imageInfo.Sectors += track.Sectors;
imageInfo.Sectors += densitySeparationSectors;
imageInfo.SectorSize = 2352; // All others
foreach(GdiTrack unused in
discimage.Tracks.Where(track => (track.Flags & 0x40) == 0x40 && track.Bps == 2352))
foreach(GdiTrack unused in discimage.Tracks.Where(track => (track.Flags & 0x4) == 0x4 &&
track.Bps == 2352))
{
imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorSync);
imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorHeader);
@@ -411,7 +415,7 @@ namespace DiscImageChef.DiscImages
imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorEdc);
}
imageInfo.CreationTime = imageFilter.GetCreationTime();
imageInfo.CreationTime = imageFilter.GetCreationTime();
imageInfo.LastModificationTime = imageFilter.GetLastWriteTime();
imageInfo.MediaType = discimage.Disktype;
@@ -427,8 +431,8 @@ namespace DiscImageChef.DiscImages
catch(Exception ex)
{
DicConsole.ErrorWriteLine("Exception trying to identify image file {0}", imageFilter.GetBasePath());
DicConsole.ErrorWriteLine("Exception: {0}", ex.Message);
DicConsole.ErrorWriteLine("Stack trace: {0}", ex.StackTrace);
DicConsole.ErrorWriteLine("Exception: {0}", ex.Message);
DicConsole.ErrorWriteLine("Stack trace: {0}", ex.StackTrace);
return false;
}
}
@@ -463,14 +467,15 @@ namespace DiscImageChef.DiscImages
foreach(KeyValuePair<uint, ulong> kvp in from kvp in offsetmap
where sectorAddress >= kvp.Value
from gdiTrack in discimage.Tracks
where gdiTrack.Sequence == kvp.Key
where gdiTrack.Sequence == kvp.Key
where sectorAddress - kvp.Value < gdiTrack.Sectors
select kvp)
return ReadSectors(sectorAddress - kvp.Value, length, kvp.Key);
offsetmap.TryGetValue(0, out ulong transitionStart);
if(sectorAddress >= transitionStart && sectorAddress < densitySeparationSectors + transitionStart)
return ReadSectors(sectorAddress - transitionStart, length, 0);
return ReadSectors(sectorAddress - transitionStart, length,
0);
throw new ArgumentOutOfRangeException(nameof(sectorAddress), "Sector address not found");
}
@@ -480,14 +485,15 @@ namespace DiscImageChef.DiscImages
foreach(KeyValuePair<uint, ulong> kvp in from kvp in offsetmap
where sectorAddress >= kvp.Value
from gdiTrack in discimage.Tracks
where gdiTrack.Sequence == kvp.Key
where gdiTrack.Sequence == kvp.Key
where sectorAddress - kvp.Value < gdiTrack.Sectors
select kvp)
return ReadSectorsTag(sectorAddress - kvp.Value, length, kvp.Key, tag);
offsetmap.TryGetValue(0, out ulong transitionStart);
if(sectorAddress >= transitionStart && sectorAddress < densitySeparationSectors + transitionStart)
return ReadSectorsTag(sectorAddress - transitionStart, length, 0, tag);
return ReadSectorsTag(sectorAddress - transitionStart, length,
0, tag);
throw new ArgumentOutOfRangeException(nameof(sectorAddress), "Sector address not found");
}
@@ -527,8 +533,8 @@ namespace DiscImageChef.DiscImages
case TrackType.Audio:
{
sectorOffset = 0;
sectorSize = 2352;
sectorSkip = 0;
sectorSize = 2352;
sectorSkip = 0;
break;
}
case TrackType.CdMode1:
@@ -536,15 +542,16 @@ namespace DiscImageChef.DiscImages
if(dicTrack.Bps == 2352)
{
sectorOffset = 16;
sectorSize = 2048;
sectorSkip = 288;
sectorSize = 2048;
sectorSkip = 288;
}
else
{
sectorOffset = 0;
sectorSize = 2048;
sectorSkip = 0;
sectorSize = 2048;
sectorSkip = 0;
}
break;
}
default: throw new FeatureSupportedButNotImplementedImageException("Unsupported track type");
@@ -556,16 +563,16 @@ namespace DiscImageChef.DiscImages
if(dicTrack.Pregap > 0 && sectorAddress < dicTrack.Pregap)
{
ulong remainingPregap = dicTrack.Pregap - sectorAddress;
ulong remainingPregap = dicTrack.Pregap - sectorAddress;
byte[] zero;
if(length > remainingPregap)
{
zero = new byte[remainingPregap * sectorSize];
zero = new byte[remainingPregap * sectorSize];
remainingSectors -= remainingPregap;
}
else
{
zero = new byte[length * sectorSize];
zero = new byte[length * sectorSize];
remainingSectors -= length;
}
@@ -574,7 +581,7 @@ namespace DiscImageChef.DiscImages
if(remainingSectors == 0) return buffer;
imageStream = dicTrack.Trackfilter.GetDataForkStream();
imageStream = dicTrack.Trackfilter.GetDataForkStream();
BinaryReader br = new BinaryReader(imageStream);
br.BaseStream
.Seek(dicTrack.Offset + (long)(sectorAddress * (sectorOffset + sectorSize + sectorSkip) + dicTrack.Pregap * dicTrack.Bps),
@@ -656,15 +663,15 @@ namespace DiscImageChef.DiscImages
case SectorTagType.CdSectorSync:
{
sectorOffset = 0;
sectorSize = 12;
sectorSkip = 2340;
sectorSize = 12;
sectorSkip = 2340;
break;
}
case SectorTagType.CdSectorHeader:
{
sectorOffset = 12;
sectorSize = 4;
sectorSkip = 2336;
sectorSize = 4;
sectorSkip = 2336;
break;
}
case SectorTagType.CdSectorSubchannel:
@@ -673,29 +680,29 @@ namespace DiscImageChef.DiscImages
case SectorTagType.CdSectorEcc:
{
sectorOffset = 2076;
sectorSize = 276;
sectorSkip = 0;
sectorSize = 276;
sectorSkip = 0;
break;
}
case SectorTagType.CdSectorEccP:
{
sectorOffset = 2076;
sectorSize = 172;
sectorSkip = 104;
sectorSize = 172;
sectorSkip = 104;
break;
}
case SectorTagType.CdSectorEccQ:
{
sectorOffset = 2248;
sectorSize = 104;
sectorSkip = 0;
sectorSize = 104;
sectorSkip = 0;
break;
}
case SectorTagType.CdSectorEdc:
{
sectorOffset = 2064;
sectorSize = 4;
sectorSkip = 284;
sectorSize = 4;
sectorSkip = 284;
break;
}
default: throw new ArgumentException("Unsupported tag requested", nameof(tag));
@@ -712,16 +719,16 @@ namespace DiscImageChef.DiscImages
if(dicTrack.Pregap > 0 && sectorAddress < dicTrack.Pregap)
{
ulong remainingPregap = dicTrack.Pregap - sectorAddress;
ulong remainingPregap = dicTrack.Pregap - sectorAddress;
byte[] zero;
if(length > remainingPregap)
{
zero = new byte[remainingPregap * sectorSize];
zero = new byte[remainingPregap * sectorSize];
remainingSectors -= remainingPregap;
}
else
{
zero = new byte[length * sectorSize];
zero = new byte[length * sectorSize];
remainingSectors -= length;
}
@@ -730,7 +737,7 @@ namespace DiscImageChef.DiscImages
if(remainingSectors == 0) return buffer;
imageStream = dicTrack.Trackfilter.GetDataForkStream();
imageStream = dicTrack.Trackfilter.GetDataForkStream();
BinaryReader br = new BinaryReader(imageStream);
br.BaseStream
.Seek(dicTrack.Offset + (long)(sectorAddress * (sectorOffset + sectorSize + sectorSkip) + dicTrack.Pregap * dicTrack.Bps),
@@ -763,7 +770,7 @@ namespace DiscImageChef.DiscImages
foreach(KeyValuePair<uint, ulong> kvp in from kvp in offsetmap
where sectorAddress >= kvp.Value
from gdiTrack in discimage.Tracks
where gdiTrack.Sequence == kvp.Key
where gdiTrack.Sequence == kvp.Key
where sectorAddress - kvp.Value < gdiTrack.Sectors
select kvp)
return ReadSectorsLong(sectorAddress - kvp.Value, length, kvp.Key);
@@ -806,8 +813,8 @@ namespace DiscImageChef.DiscImages
case TrackType.Audio:
{
sectorOffset = 0;
sectorSize = 2352;
sectorSkip = 0;
sectorSize = 2352;
sectorSkip = 0;
break;
}
case TrackType.CdMode1:
@@ -815,15 +822,16 @@ namespace DiscImageChef.DiscImages
if(dicTrack.Bps == 2352)
{
sectorOffset = 0;
sectorSize = 2352;
sectorSkip = 0;
sectorSize = 2352;
sectorSkip = 0;
}
else
{
sectorOffset = 0;
sectorSize = 2048;
sectorSkip = 0;
sectorSize = 2048;
sectorSkip = 0;
}
break;
}
default: throw new FeatureSupportedButNotImplementedImageException("Unsupported track type");
@@ -835,16 +843,16 @@ namespace DiscImageChef.DiscImages
if(dicTrack.Pregap > 0 && sectorAddress < dicTrack.Pregap)
{
ulong remainingPregap = dicTrack.Pregap - sectorAddress;
ulong remainingPregap = dicTrack.Pregap - sectorAddress;
byte[] zero;
if(length > remainingPregap)
{
zero = new byte[remainingPregap * sectorSize];
zero = new byte[remainingPregap * sectorSize];
remainingSectors -= remainingPregap;
}
else
{
zero = new byte[length * sectorSize];
zero = new byte[length * sectorSize];
remainingSectors -= length;
}
@@ -853,7 +861,7 @@ namespace DiscImageChef.DiscImages
if(remainingSectors == 0) return buffer;
imageStream = dicTrack.Trackfilter.GetDataForkStream();
imageStream = dicTrack.Trackfilter.GetDataForkStream();
BinaryReader br = new BinaryReader(imageStream);
br.BaseStream
.Seek(dicTrack.Offset + (long)(sectorAddress * (sectorOffset + sectorSize + sectorSkip) + dicTrack.Pregap * dicTrack.Bps),
@@ -881,7 +889,7 @@ namespace DiscImageChef.DiscImages
public List<Track> GetSessionTracks(ushort session)
{
List<Track> tracks = new List<Track>();
bool expectedDensity;
bool expectedDensity;
switch(session)
{
@@ -899,20 +907,20 @@ namespace DiscImageChef.DiscImages
{
Track track = new Track
{
Indexes = new Dictionary<int, ulong>(),
TrackDescription = null,
TrackStartSector = gdiTrack.StartSector,
TrackPregap = gdiTrack.Pregap,
TrackSession = (ushort)(gdiTrack.HighDensity ? 2 : 1),
TrackSequence = gdiTrack.Sequence,
TrackType = gdiTrack.Tracktype,
TrackFilter = gdiTrack.Trackfilter,
TrackFile = gdiTrack.Trackfile,
TrackFileOffset = (ulong)gdiTrack.Offset,
TrackFileType = "BINARY",
Indexes = new Dictionary<int, ulong>(),
TrackDescription = null,
TrackStartSector = gdiTrack.StartSector,
TrackPregap = gdiTrack.Pregap,
TrackSession = (ushort)(gdiTrack.HighDensity ? 2 : 1),
TrackSequence = gdiTrack.Sequence,
TrackType = gdiTrack.Tracktype,
TrackFilter = gdiTrack.Trackfilter,
TrackFile = gdiTrack.Trackfile,
TrackFileOffset = (ulong)gdiTrack.Offset,
TrackFileType = "BINARY",
TrackRawBytesPerSector = gdiTrack.Bps,
TrackBytesPerSector = gdiTrack.Tracktype == TrackType.Data ? 2048 : 2352,
TrackSubchannelType = TrackSubchannelType.None
TrackBytesPerSector = gdiTrack.Tracktype == TrackType.Data ? 2048 : 2352,
TrackSubchannelType = TrackSubchannelType.None
};
track.TrackEndSector = track.TrackStartSector + gdiTrack.Sectors - 1;
@@ -936,13 +944,13 @@ namespace DiscImageChef.DiscImages
}
public bool? VerifySectors(ulong sectorAddress, uint length, out List<ulong> failingLbas,
out List<ulong> unknownLbas)
out List<ulong> unknownLbas)
{
byte[] buffer = ReadSectorsLong(sectorAddress, length);
int bps = (int)(buffer.Length / length);
int bps = (int)(buffer.Length / length);
byte[] sector = new byte[bps];
failingLbas = new List<ulong>();
unknownLbas = new List<ulong>();
failingLbas = new List<ulong>();
unknownLbas = new List<ulong>();
for(int i = 0; i < length; i++)
{
@@ -966,13 +974,13 @@ namespace DiscImageChef.DiscImages
}
public bool? VerifySectors(ulong sectorAddress, uint length, uint track, out List<ulong> failingLbas,
out List<ulong> unknownLbas)
out List<ulong> unknownLbas)
{
byte[] buffer = ReadSectorsLong(sectorAddress, length, track);
int bps = (int)(buffer.Length / length);
int bps = (int)(buffer.Length / length);
byte[] sector = new byte[bps];
failingLbas = new List<ulong>();
unknownLbas = new List<ulong>();
failingLbas = new List<ulong>();
unknownLbas = new List<ulong>();
for(int i = 0; i < length; i++)
{

705
DiscImageChef.DiscImages/Nero.cs
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