aaru-dps/Aaru
1
0
Fork 0
mirror of https://github.com/aaru-dps/Aaru.git synced 2025-12-16 19:24:25 +00:00
Code Issues Packages Projects Releases Wiki Activity

Check offset using Plextor vendor command.

Browse Source
This commit is contained in:
Natalia Portillo
2019-12-26 00:32:09 +00:00
parent 68a410270f
commit 284b59bea6
1 changed files with 91 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

109
DiscImageChef.Core/Devices/Dumping/CompactDisc.cs
View File

@@ -1321,7 +1321,6 @@ namespace DiscImageChef.Core.Devices.Dumping
// Check offset
if(_fixOffset)
{
// TODO: Plextor raw reading
// TODO: HL-DT-ST raw reading
// TODO: VideoNow
@@ -1344,22 +1343,101 @@ namespace DiscImageChef.Core.Devices.Dumping
}
else
{
bool offsetFound = false;
if(tracks.Any(t => t.TrackType != TrackType.Audio))
{
Track dataTrack = tracks.FirstOrDefault(t => t.TrackType != TrackType.Audio);
if(dataTrack.TrackSequence != 0)
{
dataTrack.TrackEndSector += 149;
// Calculate MSF
ulong minute = dataTrack.TrackEndSector / 4500;
ulong second = (dataTrack.TrackEndSector - (minute * 4500)) / 75;
ulong frame = dataTrack.TrackEndSector - (minute * 4500) - (second * 75);
dataTrack.TrackEndSector -= 149;
// Convert to BCD
ulong remainder = minute % 10;
minute = ((minute / 10) * 16) + remainder;
remainder = second % 10;
second = ((second / 10) * 16) + remainder;
remainder = frame % 10;
frame = ((frame / 10) * 16) + remainder;
// Build sync
byte[] sectorSync =
{
0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, (byte)minute,
(byte)second, (byte)frame
};
tmpBuf = new byte[sectorSync.Length];
// Plextor READ CDDA
if(dbDev?.ATAPI?.RemovableMedias?.Any(d => d.SupportsPlextorReadCDDA == true) == true ||
dbDev?.SCSI?.RemovableMedias?.Any(d => d.SupportsPlextorReadCDDA == true) == true ||
_dev.Manufacturer.ToLowerInvariant() == "plextor")
{
sense = _dev.PlextorReadCdDa(out cmdBuf, out senseBuf,
(uint)dataTrack.TrackEndSector - 2, sectorSize, 3,
PlextorSubchannel.None, _dev.Timeout, out _);
if(!sense &&
!_dev.Error)
{
for(int i = 0; i < cmdBuf.Length - sectorSync.Length; i++)
{
Array.Copy(cmdBuf, i, tmpBuf, 0, sectorSync.Length);
if(!tmpBuf.SequenceEqual(sectorSync))
continue;
offsetBytes = i - 2352;
offsetFound = true;
break;
}
}
}
}
}
if(cdOffset is null)
{
_dumpLog.
WriteLine("Drive read offset is unknown, disabling offset fix. Dump may not be correct.");
if(offsetFound)
{
_dumpLog.WriteLine($"Combined disc and drive offsets are {offsetBytes} bytes");
UpdateStatus?.Invoke($"Combined disc and drive offsets are {offsetBytes} bytes");
}
else
{
_dumpLog.
WriteLine("Drive read offset is unknown, disabling offset fix. Dump may not be correct.");
UpdateStatus?.
Invoke("Drive read offset is unknown, disabling offset fix. Dump may not be correct.");
UpdateStatus?.
Invoke("Drive read offset is unknown, disabling offset fix. Dump may not be correct.");
_fixOffset = false;
_fixOffset = false;
}
}
else
{
_dumpLog.WriteLine("Disc write offset is unknown, dump may not be correct.");
UpdateStatus?.Invoke("Disc write offset is unknown, dump may not be correct.");
if(offsetFound)
{
_dumpLog.WriteLine($"Disc offsets is {offsetBytes - (cdOffset.Offset * 2 * -1)}");
UpdateStatus?.Invoke($"Disc offsets is {offsetBytes - (cdOffset.Offset * 2 * -1)}");
}
else
{
_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;
offsetBytes = cdOffset.Offset * 2 * -1;
}
_dumpLog.WriteLine($"Offset is {offsetBytes} bytes.");
UpdateStatus?.Invoke($"Offset is {offsetBytes} bytes.");
@@ -1390,7 +1468,6 @@ namespace DiscImageChef.Core.Devices.Dumping
timeSpeedStart = DateTime.UtcNow;
InitProgress?.Invoke();
// TODO: Apply offset
for(ulong i = _resume.NextBlock; (long)i <= lastSector; i += blocksToRead)
{
if(_aborted)
@@ -1869,8 +1946,7 @@ namespace DiscImageChef.Core.Devices.Dumping
for(int b = 0; b < sectorsToTrim; b++)
{
Array.Copy(cmdBuf, (int)(0 + (b * blockSize)), data, sectorSize * b,
sectorSize);
Array.Copy(cmdBuf, (int)(0 + (b * blockSize)), data, sectorSize * b, sectorSize);
Array.Copy(cmdBuf, (int)(sectorSize + (b * blockSize)), sub, subSize * b, subSize);
}
@@ -1884,8 +1960,7 @@ namespace DiscImageChef.Core.Devices.Dumping
for(int b = 0; b < sectorsToTrim; b++)
{
Array.Copy(data, sectorSize * b, cmdBuf, (int)(0 + (b * blockSize)),
sectorSize);
Array.Copy(data, sectorSize * b, cmdBuf, (int)(0 + (b * blockSize)), sectorSize);
Array.Copy(sub, subSize * b, cmdBuf, (int)(sectorSize + (b * blockSize)), subSize);
}
@@ -2114,8 +2189,7 @@ namespace DiscImageChef.Core.Devices.Dumping
for(int b = 0; b < sectorsToReRead; b++)
{
Array.Copy(cmdBuf, (int)(0 + (b * blockSize)), data, sectorSize * b,
sectorSize);
Array.Copy(cmdBuf, (int)(0 + (b * blockSize)), data, sectorSize * b, sectorSize);
Array.Copy(cmdBuf, (int)(sectorSize + (b * blockSize)), sub, subSize * b, subSize);
}
@@ -2129,8 +2203,7 @@ namespace DiscImageChef.Core.Devices.Dumping
for(int b = 0; b < sectorsToReRead; b++)
{
Array.Copy(data, sectorSize * b, cmdBuf, (int)(0 + (b * blockSize)),
sectorSize);
Array.Copy(data, sectorSize * b, cmdBuf, (int)(0 + (b * blockSize)), sectorSize);
Array.Copy(sub, subSize * b, cmdBuf, (int)(sectorSize + (b * blockSize)), subSize);
}