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Shift audio data by offset.

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This commit is contained in:
Natalia Portillo
2019-12-25 22:15:06 +00:00
parent 8d7cf1bd7c
commit 68a410270f
1 changed files with 196 additions and 21 deletions
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217
DiscImageChef.Core/Devices/Dumping/CompactDisc.cs
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@@ -118,10 +118,9 @@ 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
int offsetBytes = 0; // Read offset
bool
nextData; // Next cluster of sectors is all data;
bool nextData; // Next cluster of sectors is all data;
Dictionary<MediaTagType, byte[]> mediaTags = new Dictionary<MediaTagType, byte[]>(); // Media tags
@@ -842,18 +841,18 @@ namespace DiscImageChef.Core.Devices.Dumping
sessions == 1)
dskType = MediaType.CDV;
byte[] videoNowColorFrame = new byte[9 * 2352];
byte[] videoNowColorFrame = new byte[9 * sectorSize];
for(int i = 0; i < 9; i++)
{
sense = _dev.ReadCd(out cmdBuf, out senseBuf, (uint)i, 2352, 1, MmcSectorTypes.AllTypes, false,
false, true, MmcHeaderCodes.AllHeaders, true, true, MmcErrorField.None,
sense = _dev.ReadCd(out cmdBuf, out senseBuf, (uint)i, sectorSize, 1, MmcSectorTypes.AllTypes,
false, false, true, MmcHeaderCodes.AllHeaders, true, true, MmcErrorField.None,
MmcSubchannel.None, _dev.Timeout, out _);
if(sense || _dev.Error)
{
sense = _dev.ReadCd(out cmdBuf, out senseBuf, (uint)i, 2352, 1, MmcSectorTypes.Cdda, false,
false, true, MmcHeaderCodes.None, true, true, MmcErrorField.None,
sense = _dev.ReadCd(out cmdBuf, out senseBuf, (uint)i, sectorSize, 1, MmcSectorTypes.Cdda,
false, false, true, MmcHeaderCodes.None, true, true, MmcErrorField.None,
MmcSubchannel.None, _dev.Timeout, out _);
if(sense || !_dev.Error)
@@ -864,7 +863,7 @@ namespace DiscImageChef.Core.Devices.Dumping
}
}
Array.Copy(cmdBuf, 0, videoNowColorFrame, i * 2352, 2352);
Array.Copy(cmdBuf, 0, videoNowColorFrame, i * sectorSize, sectorSize);
}
if(MMC.IsVideoNowColor(videoNowColorFrame))
@@ -1437,6 +1436,18 @@ namespace DiscImageChef.Core.Devices.Dumping
}
}
if(_fixOffset && !inData)
{
// TODO: FreeBSD bug
if(offsetBytes > 0)
{
if(i == 0)
firstSectorToRead = uint.MaxValue; // -1
else
firstSectorToRead--;
}
}
#pragma warning disable RECS0018 // Comparison of floating point numbers with equality operator
// ReSharper disable CompareOfFloatsByEqualityOperator
@@ -1484,6 +1495,50 @@ namespace DiscImageChef.Core.Devices.Dumping
_dev.Timeout, out cmdDuration);
}
// Because one block has been partially used to fix the offset
if(_fixOffset &&
!inData &&
offsetBytes != 0)
{
int offsetFix = offsetBytes > 0 ? offsetFix = (int)(sectorSize - offsetBytes)
: offsetFix = offsetBytes * -1;
if(supportedSubchannel != MmcSubchannel.None)
{
// Deinterleave subchannel
byte[] data = new byte[sectorSize * blocksToRead];
byte[] sub = new byte[subSize * blocksToRead];
for(int b = 0; b < blocksToRead; b++)
{
Array.Copy(cmdBuf, (int)(0 + (b * blockSize)), data, sectorSize * b, sectorSize);
Array.Copy(cmdBuf, (int)(sectorSize + (b * blockSize)), sub, subSize * b, subSize);
}
tmpBuf = new byte[sectorSize * (blocksToRead - 1)];
Array.Copy(data, offsetFix, tmpBuf, 0, tmpBuf.Length);
data = tmpBuf;
blocksToRead--;
// Reinterleave subchannel
cmdBuf = new byte[blockSize * blocksToRead];
for(int b = 0; b < blocksToRead; b++)
{
Array.Copy(data, sectorSize * b, cmdBuf, (int)(0 + (b * blockSize)), sectorSize);
Array.Copy(sub, subSize * b, cmdBuf, (int)(sectorSize + (b * blockSize)), subSize);
}
}
else
{
tmpBuf = new byte[blockSize * (blocksToRead - 1)];
Array.Copy(cmdBuf, offsetFix, tmpBuf, 0, tmpBuf.Length);
cmdBuf = tmpBuf;
blocksToRead--;
}
}
if(!sense &&
!_dev.Error)
{
@@ -1515,7 +1570,7 @@ namespace DiscImageChef.Core.Devices.Dumping
}
else
{
if(cmdBuf.Length % 2352 == 0)
if(cmdBuf.Length % sectorSize == 0)
{
byte[] data = new byte[2048 * blocksToRead];
@@ -1560,7 +1615,7 @@ namespace DiscImageChef.Core.Devices.Dumping
}
else
{
if(cmdBuf.Length % 2352 == 0)
if(cmdBuf.Length % sectorSize == 0)
_outputPlugin.WriteSectors(new byte[2048 * _skip], i, _skip);
else
_outputPlugin.WriteSectorsLong(new byte[blockSize * _skip], i, _skip);
@@ -1753,22 +1808,37 @@ namespace DiscImageChef.Core.Devices.Dumping
PulseProgress?.Invoke($"Trimming sector {badSector}");
byte sectorsToTrim = 1;
uint badSectorToRead = (uint)badSector;
if(_fixOffset &&
audioExtents.Contains(badSector) &&
offsetBytes != 0)
{
if(offsetBytes > 0)
{
badSectorToRead--;
}
sectorsToTrim = 2;
}
if(readcd)
sense = _dev.ReadCd(out cmdBuf, out senseBuf, (uint)badSector, blockSize, 1,
sense = _dev.ReadCd(out cmdBuf, out senseBuf, badSectorToRead, blockSize, sectorsToTrim,
MmcSectorTypes.AllTypes, false, false, true, MmcHeaderCodes.AllHeaders,
true, true, MmcErrorField.None, supportedSubchannel, _dev.Timeout,
out cmdDuration);
else if(read16)
sense = _dev.Read16(out cmdBuf, out senseBuf, 0, false, true, false, badSector, blockSize, 0,
1, false, _dev.Timeout, out cmdDuration);
sense = _dev.Read16(out cmdBuf, out senseBuf, 0, false, true, false, badSectorToRead, blockSize,
0, sectorsToTrim, false, _dev.Timeout, out cmdDuration);
else if(read12)
sense = _dev.Read12(out cmdBuf, out senseBuf, 0, false, true, false, false, (uint)badSector,
blockSize, 0, 1, false, _dev.Timeout, out cmdDuration);
sense = _dev.Read12(out cmdBuf, out senseBuf, 0, false, true, false, false, badSectorToRead,
blockSize, 0, sectorsToTrim, false, _dev.Timeout, out cmdDuration);
else if(read10)
sense = _dev.Read10(out cmdBuf, out senseBuf, 0, false, true, false, false, (uint)badSector,
blockSize, 0, 1, _dev.Timeout, out cmdDuration);
sense = _dev.Read10(out cmdBuf, out senseBuf, 0, false, true, false, false, badSectorToRead,
blockSize, 0, sectorsToTrim, _dev.Timeout, out cmdDuration);
else if(read6)
sense = _dev.Read6(out cmdBuf, out senseBuf, (uint)badSector, blockSize, 1,
sense = _dev.Read6(out cmdBuf, out senseBuf, badSectorToRead, blockSize, sectorsToTrim,
_dev.Timeout, out cmdDuration);
totalDuration += cmdDuration;
@@ -1783,6 +1853,51 @@ namespace DiscImageChef.Core.Devices.Dumping
extents.Add(badSector);
}
// Because one block has been partially used to fix the offset
if(_fixOffset &&
audioExtents.Contains(badSector) &&
offsetBytes != 0)
{
int offsetFix = offsetBytes > 0 ? offsetFix = (int)(sectorSize - offsetBytes)
: offsetFix = offsetBytes * -1;
if(supportedSubchannel != MmcSubchannel.None)
{
// Deinterleave subchannel
byte[] data = new byte[sectorSize * sectorsToTrim];
byte[] sub = new byte[subSize * sectorsToTrim];
for(int b = 0; b < sectorsToTrim; b++)
{
Array.Copy(cmdBuf, (int)(0 + (b * blockSize)), data, sectorSize * b,
sectorSize);
Array.Copy(cmdBuf, (int)(sectorSize + (b * blockSize)), sub, subSize * b, subSize);
}
tmpBuf = new byte[sectorSize * (sectorsToTrim - 1)];
Array.Copy(data, offsetFix, tmpBuf, 0, tmpBuf.Length);
data = tmpBuf;
// Reinterleave subchannel
cmdBuf = new byte[blockSize * sectorsToTrim];
for(int b = 0; b < sectorsToTrim; b++)
{
Array.Copy(data, sectorSize * b, cmdBuf, (int)(0 + (b * blockSize)),
sectorSize);
Array.Copy(sub, subSize * b, cmdBuf, (int)(sectorSize + (b * blockSize)), subSize);
}
}
else
{
tmpBuf = new byte[blockSize * (sectorsToTrim - 1)];
Array.Copy(cmdBuf, offsetFix, tmpBuf, 0, tmpBuf.Length);
cmdBuf = tmpBuf;
}
}
if(supportedSubchannel != MmcSubchannel.None)
{
byte[] data = new byte[sectorSize];
@@ -1800,7 +1915,7 @@ namespace DiscImageChef.Core.Devices.Dumping
}
else
{
if(cmdBuf.Length % 2352 == 0)
if(cmdBuf.Length % sectorSize == 0)
{
byte[] data = new byte[2048];
Array.Copy(cmdBuf, 16, data, 0, 2048);
@@ -1944,9 +2059,24 @@ namespace DiscImageChef.Core.Devices.Dumping
forward ? "forward" : "reverse",
runningPersistent ? "recovering partial data, " : ""));
byte sectorsToReRead = 1;
uint badSectorToReRead = (uint)badSector;
if(_fixOffset &&
audioExtents.Contains(badSector) &&
offsetBytes != 0)
{
if(offsetBytes > 0)
{
badSectorToReRead--;
}
sectorsToReRead = 2;
}
if(readcd)
{
sense = _dev.ReadCd(out cmdBuf, out senseBuf, (uint)badSector, blockSize, 1,
sense = _dev.ReadCd(out cmdBuf, out senseBuf, badSectorToReRead, blockSize, sectorsToReRead,
MmcSectorTypes.AllTypes, false, false, true, MmcHeaderCodes.AllHeaders,
true, true, MmcErrorField.None, supportedSubchannel, _dev.Timeout,
out cmdDuration);
@@ -1968,6 +2098,51 @@ namespace DiscImageChef.Core.Devices.Dumping
sectorsNotEvenPartial.Add(badSector);
}
// Because one block has been partially used to fix the offset
if(_fixOffset &&
audioExtents.Contains(badSector) &&
offsetBytes != 0)
{
int offsetFix = offsetBytes > 0 ? offsetFix = (int)(sectorSize - offsetBytes)
: offsetFix = offsetBytes * -1;
if(supportedSubchannel != MmcSubchannel.None)
{
// Deinterleave subchannel
byte[] data = new byte[sectorSize * sectorsToReRead];
byte[] sub = new byte[subSize * sectorsToReRead];
for(int b = 0; b < sectorsToReRead; b++)
{
Array.Copy(cmdBuf, (int)(0 + (b * blockSize)), data, sectorSize * b,
sectorSize);
Array.Copy(cmdBuf, (int)(sectorSize + (b * blockSize)), sub, subSize * b, subSize);
}
tmpBuf = new byte[sectorSize * (sectorsToReRead - 1)];
Array.Copy(data, offsetFix, tmpBuf, 0, tmpBuf.Length);
data = tmpBuf;
// Reinterleave subchannel
cmdBuf = new byte[blockSize * sectorsToReRead];
for(int b = 0; b < sectorsToReRead; b++)
{
Array.Copy(data, sectorSize * b, cmdBuf, (int)(0 + (b * blockSize)),
sectorSize);
Array.Copy(sub, subSize * b, cmdBuf, (int)(sectorSize + (b * blockSize)), subSize);
}
}
else
{
tmpBuf = new byte[blockSize * (sectorsToReRead - 1)];
Array.Copy(cmdBuf, offsetFix, tmpBuf, 0, tmpBuf.Length);
cmdBuf = tmpBuf;
}
}
if(!sense &&
!_dev.Error)
{