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In DiscJuggler disc images do not generate long sectors on non-CD media. Fixes #499

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This commit is contained in:
Natalia Portillo
2021-06-08 03:31:48 +01:00
parent 4957f37bec
commit 9bc5dc7c17
2 changed files with 37 additions and 22 deletions
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1
Aaru.Images/DiscJuggler/DiscJuggler.cs
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@@ -46,6 +46,7 @@ namespace Aaru.DiscImages
byte[] _cdtext;
ImageInfo _imageInfo;
Stream _imageStream;
bool _isCd;
Dictionary<uint, ulong> _offsetMap;
SectorBuilder _sectorBuilder;
Dictionary<uint, byte> _trackFlags;

58
Aaru.Images/DiscJuggler/Read.cs
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@@ -247,7 +247,7 @@ namespace Aaru.DiscImages
track.Indexes[idx.Key] = (int)track.TrackStartSector + leftLen;
}
track.TrackEndSector = (track.TrackStartSector + trackLen) - 1;
track.TrackEndSector = track.TrackStartSector + trackLen - 1;
AaruConsole.DebugWriteLine("DiscJuggler plugin", "\ttrackEnd = {0}", track.TrackEndSector);
position += 4;
@@ -722,12 +722,26 @@ namespace Aaru.DiscImages
_sectorBuilder = new SectorBuilder();
if(mediumType != 152)
foreach(Track track in Tracks)
{
track.TrackPregap = 0;
track.Indexes?.Clear();
}
_isCd = mediumType == 152;
if(_isCd)
return true;
foreach(Track track in Tracks)
{
track.TrackPregap = 0;
track.Indexes?.Clear();
}
_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);
return true;
}
@@ -762,9 +776,8 @@ namespace Aaru.DiscImages
{
foreach(KeyValuePair<uint, ulong> kvp in from kvp in _offsetMap where sectorAddress >= kvp.Value
from track in Tracks where track.TrackSequence == kvp.Key
where sectorAddress - kvp.Value <
(track.TrackEndSector - track.TrackStartSector) + 1
select kvp)
where sectorAddress - kvp.Value <
track.TrackEndSector - track.TrackStartSector + 1 select kvp)
return ReadSectors(sectorAddress - kvp.Value, length, kvp.Key);
throw new ArgumentOutOfRangeException(nameof(sectorAddress), $"Sector address {sectorAddress} not found");
@@ -774,9 +787,8 @@ namespace Aaru.DiscImages
{
foreach(KeyValuePair<uint, ulong> kvp in from kvp in _offsetMap where sectorAddress >= kvp.Value
from track in Tracks where track.TrackSequence == kvp.Key
where sectorAddress - kvp.Value <
(track.TrackEndSector - track.TrackStartSector) + 1
select kvp)
where sectorAddress - kvp.Value <
track.TrackEndSector - track.TrackStartSector + 1 select kvp)
return ReadSectorsTag(sectorAddress - kvp.Value, length, kvp.Key, tag);
throw new ArgumentOutOfRangeException(nameof(sectorAddress), $"Sector address {sectorAddress} not found");
@@ -799,9 +811,9 @@ namespace Aaru.DiscImages
if(aaruTrack is null)
throw new ArgumentOutOfRangeException(nameof(track), "Track does not exist in disc image");
if(length + sectorAddress > (aaruTrack.TrackEndSector - aaruTrack.TrackStartSector) + 1)
if(length + sectorAddress > aaruTrack.TrackEndSector - aaruTrack.TrackStartSector + 1)
throw new ArgumentOutOfRangeException(nameof(length),
$"Requested more sectors ({length + sectorAddress}) than present in track ({(aaruTrack.TrackEndSector - aaruTrack.TrackStartSector) + 1}), won't cross tracks");
$"Requested more sectors ({length + sectorAddress}) than present in track ({aaruTrack.TrackEndSector - aaruTrack.TrackStartSector + 1}), won't cross tracks");
uint sectorOffset;
uint sectorSize;
@@ -920,9 +932,9 @@ namespace Aaru.DiscImages
if(aaruTrack is null)
throw new ArgumentOutOfRangeException(nameof(track), "Track does not exist in disc image");
if(length + sectorAddress > (aaruTrack.TrackEndSector - aaruTrack.TrackStartSector) + 1)
if(length + sectorAddress > aaruTrack.TrackEndSector - aaruTrack.TrackStartSector + 1)
throw new ArgumentOutOfRangeException(nameof(length),
$"Requested more sectors ({length + sectorAddress}) than present in track ({(aaruTrack.TrackEndSector - aaruTrack.TrackStartSector) + 1}), won't cross tracks");
$"Requested more sectors ({length + sectorAddress}) than present in track ({aaruTrack.TrackEndSector - aaruTrack.TrackStartSector + 1}), won't cross tracks");
if(aaruTrack.TrackType == TrackType.Data)
throw new ArgumentException("Unsupported tag requested", nameof(tag));
@@ -1172,9 +1184,8 @@ namespace Aaru.DiscImages
{
foreach(KeyValuePair<uint, ulong> kvp in from kvp in _offsetMap where sectorAddress >= kvp.Value
from track in Tracks where track.TrackSequence == kvp.Key
where sectorAddress - kvp.Value <
(track.TrackEndSector - track.TrackStartSector) + 1
select kvp)
where sectorAddress - kvp.Value <
track.TrackEndSector - track.TrackStartSector + 1 select kvp)
return ReadSectorsLong(sectorAddress - kvp.Value, length, kvp.Key);
throw new ArgumentOutOfRangeException(nameof(sectorAddress), $"Sector address {sectorAddress} not found");
@@ -1182,6 +1193,9 @@ namespace Aaru.DiscImages
public byte[] ReadSectorsLong(ulong sectorAddress, uint length, uint track)
{
if(!_isCd)
return ReadSectors(sectorAddress, length, track);
var aaruTrack = new Track
{
TrackSequence = 0
@@ -1197,9 +1211,9 @@ namespace Aaru.DiscImages
if(aaruTrack is null)
throw new ArgumentOutOfRangeException(nameof(track), "Track does not exist in disc image");
if(length + sectorAddress > (aaruTrack.TrackEndSector - aaruTrack.TrackStartSector) + 1)
if(length + sectorAddress > aaruTrack.TrackEndSector - aaruTrack.TrackStartSector + 1)
throw new ArgumentOutOfRangeException(nameof(length),
$"Requested more sectors ({length + sectorAddress}) than present in track ({(aaruTrack.TrackEndSector - aaruTrack.TrackStartSector) + 1}), won't cross tracks");
$"Requested more sectors ({length + sectorAddress}) than present in track ({aaruTrack.TrackEndSector - aaruTrack.TrackStartSector + 1}), won't cross tracks");
uint sectorSize = (uint)aaruTrack.TrackRawBytesPerSector;
uint sectorSkip = 0;