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Calculate offset in bytes.

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This commit is contained in:
Natalia Portillo
2019-12-25 19:19:22 +00:00
parent ab15af62d3
commit 956fb20d80
1 changed files with 51 additions and 36 deletions
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87
DiscImageChef.Core/Devices/Dumping/CompactDisc.cs
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@@ -117,6 +117,7 @@ namespace DiscImageChef.Core.Devices.Dumping
Dictionary<byte, byte> trackFlags = new Dictionary<byte, byte>(); // Track flags
List<Track> trackList = new List<Track>(); // Tracks in disc
Track[] tracks; // Tracks in disc as array
int offsetBytes; // Read offset
Dictionary<MediaTagType, byte[]> mediaTags = new Dictionary<MediaTagType, byte[]>(); // Media tags
@@ -1326,6 +1327,15 @@ namespace DiscImageChef.Core.Devices.Dumping
_fixOffset = false;
}
else if(!readcd)
{
_dumpLog.WriteLine("READ CD command is not supported, disabling offset fix. Dump may not be correct.");
UpdateStatus?.
Invoke("READ CD command is not supported, disabling offset fix. Dump may not be correct.");
_fixOffset = false;
}
else
{
if(cdOffset is null)
@@ -1340,10 +1350,13 @@ namespace DiscImageChef.Core.Devices.Dumping
}
else
{
// TODO: Calculate offset in bytes
_dumpLog.WriteLine("Disc write offset is unknown, dump may not be correct.");
UpdateStatus?.Invoke("Disc write offset is unknown, dump may not be correct.");
offsetBytes = cdOffset.Offset * 2 * -1;
_dumpLog.WriteLine($"Offset is {offsetBytes} bytes.");
UpdateStatus?.Invoke($"Offset is {offsetBytes} bytes.");
}
}
}
@@ -1364,7 +1377,7 @@ namespace DiscImageChef.Core.Devices.Dumping
InitProgress?.Invoke();
// TODO: Apply offset
for(long i = (long)_resume.NextBlock; i <= lastSector; i += blocksToRead)
for(ulong i = _resume.NextBlock; (long)i <= lastSector; i += blocksToRead)
{
if(_aborted)
{
@@ -1375,10 +1388,10 @@ namespace DiscImageChef.Core.Devices.Dumping
break;
}
ulong ui = (ulong)i;
uint firstSectorToRead = (uint)i;
if((lastSector + 1) - i < blocksToRead)
blocksToRead = (uint)((lastSector + 1) - i);
if((lastSector + 1) - (long)i < blocksToRead)
blocksToRead = (uint)((lastSector + 1) - (long)i);
#pragma warning disable RECS0018 // Comparison of floating point numbers with equality operator
@@ -1390,15 +1403,17 @@ namespace DiscImageChef.Core.Devices.Dumping
if(currentSpeed < minSpeed &&
currentSpeed != 0)
minSpeed = currentSpeed;
#pragma warning restore RECS0018 // Comparison of floating point numbers with equality operator
// ReSharper restore CompareOfFloatsByEqualityOperator
UpdateProgress?.Invoke($"Reading sector {i} of {blocks} ({currentSpeed:F3} MiB/sec.)", i, (long)blocks);
#pragma warning restore RECS0018 // Comparison of floating point numbers with equality operator
UpdateProgress?.Invoke($"Reading sector {i} of {blocks} ({currentSpeed:F3} MiB/sec.)", (long)i,
(long)blocks);
if(readcd)
{
sense = _dev.ReadCd(out cmdBuf, out senseBuf, (uint)i, blockSize, blocksToRead,
sense = _dev.ReadCd(out cmdBuf, out senseBuf, firstSectorToRead, blockSize, blocksToRead,
MmcSectorTypes.AllTypes, false, false, true, MmcHeaderCodes.AllHeaders, true,
true, MmcErrorField.None, supportedSubchannel, _dev.Timeout, out cmdDuration);
@@ -1406,31 +1421,31 @@ namespace DiscImageChef.Core.Devices.Dumping
}
else if(read16)
{
sense = _dev.Read16(out cmdBuf, out senseBuf, 0, false, true, false, ui, blockSize, 0, blocksToRead,
false, _dev.Timeout, out cmdDuration);
sense = _dev.Read16(out cmdBuf, out senseBuf, 0, false, true, false, firstSectorToRead, blockSize,
0, blocksToRead, false, _dev.Timeout, out cmdDuration);
}
else if(read12)
{
sense = _dev.Read12(out cmdBuf, out senseBuf, 0, false, true, false, false, (uint)i, blockSize, 0,
blocksToRead, false, _dev.Timeout, out cmdDuration);
sense = _dev.Read12(out cmdBuf, out senseBuf, 0, false, true, false, false, firstSectorToRead,
blockSize, 0, blocksToRead, false, _dev.Timeout, out cmdDuration);
}
else if(read10)
{
sense = _dev.Read10(out cmdBuf, out senseBuf, 0, false, true, false, false, (uint)i, blockSize, 0,
(ushort)blocksToRead, _dev.Timeout, out cmdDuration);
sense = _dev.Read10(out cmdBuf, out senseBuf, 0, false, true, false, false, firstSectorToRead,
blockSize, 0, (ushort)blocksToRead, _dev.Timeout, out cmdDuration);
}
else if(read6)
{
sense = _dev.Read6(out cmdBuf, out senseBuf, (uint)i, blockSize, (byte)blocksToRead, _dev.Timeout,
out cmdDuration);
sense = _dev.Read6(out cmdBuf, out senseBuf, firstSectorToRead, blockSize, (byte)blocksToRead,
_dev.Timeout, out cmdDuration);
}
if(!sense &&
!_dev.Error)
{
mhddLog.Write(ui, cmdDuration);
ibgLog.Write(ui, currentSpeed * 1024);
extents.Add(ui, blocksToRead, true);
mhddLog.Write(i, cmdDuration);
ibgLog.Write(i, currentSpeed * 1024);
extents.Add(i, blocksToRead, true);
DateTime writeStart = DateTime.Now;
if(supportedSubchannel != MmcSubchannel.None)
@@ -1445,14 +1460,14 @@ namespace DiscImageChef.Core.Devices.Dumping
Array.Copy(cmdBuf, (int)(sectorSize + (b * blockSize)), sub, subSize * b, subSize);
}
_outputPlugin.WriteSectorsLong(data, ui, blocksToRead);
_outputPlugin.WriteSectorsTag(sub, ui, blocksToRead, SectorTagType.CdSectorSubchannel);
_outputPlugin.WriteSectorsLong(data, i, blocksToRead);
_outputPlugin.WriteSectorsTag(sub, i, blocksToRead, SectorTagType.CdSectorSubchannel);
}
else
{
if(supportsLongSectors)
{
_outputPlugin.WriteSectorsLong(cmdBuf, ui, blocksToRead);
_outputPlugin.WriteSectorsLong(cmdBuf, i, blocksToRead);
}
else
{
@@ -1463,11 +1478,11 @@ namespace DiscImageChef.Core.Devices.Dumping
for(int b = 0; b < blocksToRead; b++)
Array.Copy(cmdBuf, (int)(16 + (b * blockSize)), data, 2048 * b, 2048);
_outputPlugin.WriteSectors(data, ui, blocksToRead);
_outputPlugin.WriteSectors(data, i, blocksToRead);
}
else
{
_outputPlugin.WriteSectorsLong(cmdBuf, ui, blocksToRead);
_outputPlugin.WriteSectorsLong(cmdBuf, i, blocksToRead);
}
}
}
@@ -1480,43 +1495,43 @@ namespace DiscImageChef.Core.Devices.Dumping
if(_stopOnError)
return; // TODO: Return more cleanly
if(ui + _skip > blocks)
_skip = (uint)(blocks - ui);
if(i + _skip > blocks)
_skip = (uint)(blocks - i);
// Write empty data
DateTime writeStart = DateTime.Now;
if(supportedSubchannel != MmcSubchannel.None)
{
_outputPlugin.WriteSectorsLong(new byte[sectorSize * _skip], ui, _skip);
_outputPlugin.WriteSectorsLong(new byte[sectorSize * _skip], i, _skip);
_outputPlugin.WriteSectorsTag(new byte[subSize * _skip], ui, _skip,
_outputPlugin.WriteSectorsTag(new byte[subSize * _skip], i, _skip,
SectorTagType.CdSectorSubchannel);
}
else
{
if(supportsLongSectors)
{
_outputPlugin.WriteSectorsLong(new byte[blockSize * _skip], ui, _skip);
_outputPlugin.WriteSectorsLong(new byte[blockSize * _skip], i, _skip);
}
else
{
if(cmdBuf.Length % 2352 == 0)
_outputPlugin.WriteSectors(new byte[2048 * _skip], ui, _skip);
_outputPlugin.WriteSectors(new byte[2048 * _skip], i, _skip);
else
_outputPlugin.WriteSectorsLong(new byte[blockSize * _skip], ui, _skip);
_outputPlugin.WriteSectorsLong(new byte[blockSize * _skip], i, _skip);
}
}
imageWriteDuration += (DateTime.Now - writeStart).TotalSeconds;
for(ulong b = ui; b < ui + _skip; b++)
for(ulong b = i; b < i + _skip; b++)
_resume.BadBlocks.Add(b);
DicConsole.DebugWriteLine("Dump-Media", "READ error:\n{0}", Sense.PrettifySense(senseBuf));
mhddLog.Write(ui, cmdDuration < 500 ? 65535 : cmdDuration);
mhddLog.Write(i, cmdDuration < 500 ? 65535 : cmdDuration);
ibgLog.Write(ui, 0);
ibgLog.Write(i, 0);
_dumpLog.WriteLine("Skipping {0} blocks from errored block {1}.", _skip, i);
i += _skip - blocksToRead;
newTrim = true;
@@ -1524,7 +1539,7 @@ namespace DiscImageChef.Core.Devices.Dumping
sectorSpeedStart += blocksToRead;
_resume.NextBlock = ui + blocksToRead;
_resume.NextBlock = i + blocksToRead;
double elapsed = (DateTime.UtcNow - timeSpeedStart).TotalSeconds;