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Fix reading multisession CDRWin images.

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This commit is contained in:
Natalia Portillo
2020-06-20 22:44:25 +01:00
parent de5ae7245e
commit 24f7a2049a
2 changed files with 31 additions and 31 deletions
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2
.idea/.idea.Aaru/.idea/contentModel.xml generated
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@@ -5,6 +5,8 @@
<e p="$USER_HOME$/.cache/JetBrains/Rider2020.1/resharper-host/local/Transient/ReSharperHost/v201/SolutionCaches/_Aaru.232757112.00" t="ExcludeRecursive" /> <e p="$USER_HOME$/.cache/JetBrains/Rider2020.1/resharper-host/local/Transient/ReSharperHost/v201/SolutionCaches/_Aaru.232757112.00" t="ExcludeRecursive" />
<e p="$APPLICATION_CONFIG_DIR$/consoles/db" t="IncludeRecursive" /> <e p="$APPLICATION_CONFIG_DIR$/consoles/db" t="IncludeRecursive" />
<e p="$APPLICATION_CONFIG_DIR$/extensions" t="IncludeRecursive" /> <e p="$APPLICATION_CONFIG_DIR$/extensions" t="IncludeRecursive" />
<e p="$APPLICATION_CONFIG_DIR$/scratches" t="IncludeRecursive" />
<e p="$USER_HOME$/.config/git/ignore" t="IncludeRecursive" />
<e p="$APPLICATION_PLUGINS_DIR$/puppet/lib/stubs" t="IncludeRecursive" /> <e p="$APPLICATION_PLUGINS_DIR$/puppet/lib/stubs" t="IncludeRecursive" />
<e p="$PROJECT_DIR$" t="IncludeFlat"> <e p="$PROJECT_DIR$" t="IncludeFlat">
<e p=".git/info/exclude" t="IncludeRecursive" /> <e p=".git/info/exclude" t="IncludeRecursive" />

50
Aaru.Images/CDRWin/Read.cs
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@@ -158,6 +158,7 @@ namespace Aaru.DiscImages
var filtersList = new FiltersList(); var filtersList = new FiltersList();
bool inTruripDiscHash = false; bool inTruripDiscHash = false;
bool inTruripTrackHash = false; bool inTruripTrackHash = false;
bool firstTrackInSession = false;
ulong gdRomSession2Offset = 45000; ulong gdRomSession2Offset = 45000;
densitySeparationSectors = 0; densitySeparationSectors = 0;
@@ -350,6 +351,7 @@ namespace Aaru.DiscImages
{ {
AaruConsole.DebugWriteLine("CDRWin plugin", "Found REM SESSION at line {0}", lineNumber); AaruConsole.DebugWriteLine("CDRWin plugin", "Found REM SESSION at line {0}", lineNumber);
currentSession = byte.Parse(matchSession.Groups[1].Value); currentSession = byte.Parse(matchSession.Groups[1].Value);
firstTrackInSession = true;
} }
else if(matchRedumpSdArea.Success) else if(matchRedumpSdArea.Success)
{ {
@@ -669,7 +671,21 @@ namespace Aaru.DiscImages
currentFile.Offset = (ulong)(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; currentFileOffsetSector = offset;
}
currentTrack.Indexes.Add(index, offset); currentTrack.Indexes.Add(index, offset);
} }
else if(matchIsrc.Success) else if(matchIsrc.Success)
@@ -1122,8 +1138,6 @@ namespace Aaru.DiscImages
Partitions = new List<Partition>(); Partitions = new List<Partition>();
ulong byteOffset = 0;
ulong sectorOffset = 0;
ulong partitionSequence = 0; ulong partitionSequence = 0;
_offsetMap = new Dictionary<uint, ulong>(); _offsetMap = new Dictionary<uint, ulong>();
@@ -1139,41 +1153,25 @@ namespace Aaru.DiscImages
if(!_discImage.Tracks[i].Indexes.TryGetValue(1, out _)) if(!_discImage.Tracks[i].Indexes.TryGetValue(1, out _))
throw new ImageNotSupportedException($"Track {_discImage.Tracks[i].Sequence} lacks index 01"); throw new ImageNotSupportedException($"Track {_discImage.Tracks[i].Sequence} lacks index 01");
if(_discImage.IsRedumpGigadisc &&
_discImage.Tracks[i].Session != 1 &&
sectorOffset < gdRomSession2Offset)
{
_offsetMap.Add(0, sectorOffset);
densitySeparationSectors = gdRomSession2Offset - sectorOffset;
sectorOffset = gdRomSession2Offset;
}
// Index 01 // Index 01
partition.Description = $"Track {_discImage.Tracks[i].Sequence}."; partition.Description = $"Track {_discImage.Tracks[i].Sequence}.";
partition.Name = _discImage.Tracks[i].Title; partition.Name = _discImage.Tracks[i].Title;
partition.Start = sectorOffset; partition.Start = (ulong)_discImage.Tracks[i].Indexes[1];
partition.Size = _discImage.Tracks[i].Sectors * _discImage.Tracks[i].Bps; partition.Size = _discImage.Tracks[i].Sectors * _discImage.Tracks[i].Bps;
partition.Length = _discImage.Tracks[i].Sectors; partition.Length = _discImage.Tracks[i].Sectors;
partition.Sequence = partitionSequence; partition.Sequence = partitionSequence;
partition.Offset = byteOffset; partition.Offset = partition.Start * 2352;
partition.Type = _discImage.Tracks[i].TrackType; partition.Type = _discImage.Tracks[i].TrackType;
sectorOffset += partition.Length;
byteOffset += partition.Size;
partitionSequence++; partitionSequence++;
if(!_offsetMap.ContainsKey(_discImage.Tracks[i].Sequence)) if(_discImage.Tracks[i].Indexes.TryGetValue(0, out int idx0))
_offsetMap.Add(_discImage.Tracks[i].Sequence, partition.Start); _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 else
{ _offsetMap.Add(_discImage.Tracks[i].Sequence, (ulong)_discImage.Tracks[i].Indexes[1]);
_offsetMap.TryGetValue(_discImage.Tracks[i].Sequence, out ulong oldStart);
if(partition.Start < oldStart)
{
_offsetMap.Remove(_discImage.Tracks[i].Sequence);
_offsetMap.Add(_discImage.Tracks[i].Sequence, partition.Start);
}
}
Partitions.Add(partition); Partitions.Add(partition);
} }