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Check if offset fixing could not cross into Lead-Out.

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This commit is contained in:
Natalia Portillo
2020-01-02 23:15:58 +00:00
parent 155648a174
commit 9daf5936e1
2 changed files with 45 additions and 5 deletions
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48
DiscImageChef.Core/Devices/Dumping/CompactDisc/Data.cs
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@@ -97,6 +97,9 @@ namespace DiscImageChef.Core.Devices.Dumping
InitProgress?.Invoke();
bool crossingLeadOut = false;
bool failedCrossingLeadOut = false;
for(ulong i = _resume.NextBlock; (long)i <= lastSector; i += blocksToRead)
{
if(_aborted)
@@ -118,8 +121,7 @@ namespace DiscImageChef.Core.Devices.Dumping
uint firstSectorToRead = (uint)i;
Track track =
tracks.OrderBy(t => t.TrackStartSector).LastOrDefault(t => i >= t.TrackStartSector);
Track track = tracks.OrderBy(t => t.TrackStartSector).LastOrDefault(t => i >= t.TrackStartSector);
blocksToRead = 0;
bool inData = nextData;
@@ -128,7 +130,12 @@ namespace DiscImageChef.Core.Devices.Dumping
{
if(j > (ulong)lastSector)
{
blocksToRead += (uint)sectorsForOffset;
if(!failedCrossingLeadOut)
blocksToRead += (uint)sectorsForOffset;
if(sectorsForOffset > 0)
crossingLeadOut = true;
break;
}
@@ -241,6 +248,18 @@ namespace DiscImageChef.Core.Devices.Dumping
Array.Copy(cmdBuf, (int)(sectorSize + (b * blockSize)), sub, subSize * b, subSize);
}
if(failedCrossingLeadOut)
{
blocksToRead += (uint)sectorsForOffset;
tmpBuf = new byte[sectorSize * blocksToRead];
Array.Copy(data, 0, tmpBuf, 0, data.Length);
data = tmpBuf;
tmpBuf = new byte[subSize * blocksToRead];
Array.Copy(sub, 0, tmpBuf, 0, sub.Length);
sub = tmpBuf;
}
tmpBuf = new byte[sectorSize * (blocksToRead - sectorsForOffset)];
Array.Copy(data, offsetFix, tmpBuf, 0, tmpBuf.Length);
data = tmpBuf;
@@ -258,6 +277,15 @@ namespace DiscImageChef.Core.Devices.Dumping
}
else
{
if(failedCrossingLeadOut)
{
blocksToRead += (uint)sectorsForOffset;
tmpBuf = new byte[blockSize * blocksToRead];
Array.Copy(cmdBuf, 0, tmpBuf, 0, cmdBuf.Length);
cmdBuf = tmpBuf;
}
tmpBuf = new byte[blockSize * (blocksToRead - sectorsForOffset)];
Array.Copy(cmdBuf, offsetFix, tmpBuf, 0, tmpBuf.Length);
cmdBuf = tmpBuf;
@@ -316,6 +344,14 @@ namespace DiscImageChef.Core.Devices.Dumping
}
else
{
if(crossingLeadOut && Sense.DecodeFixed(senseBuf)?.Information == lastSector + 1)
{
failedCrossingLeadOut = true;
blocksToRead = 0;
continue;
}
// TODO: Reset device after X errors
if(_stopOnError)
return; // TODO: Return more cleanly
@@ -377,6 +413,12 @@ namespace DiscImageChef.Core.Devices.Dumping
}
EndProgress?.Invoke();
if(!failedCrossingLeadOut)
return;
_dumpLog.WriteLine("Failed crossing into Lead-Out, dump may not be correct.");
UpdateStatus?.Invoke("Failed crossing into Lead-Out, dump may not be correct.");
}
}
}