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Fix reading subchannels from BlindWrite 5/6 images.

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This commit is contained in:
Natalia Portillo
2020-06-18 02:11:55 +01:00
parent 3f1e417774
commit 6f1a89d2ed
1 changed files with 128 additions and 21 deletions
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149
Aaru.Images/BlindWrite5/Read.cs
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@@ -1513,7 +1513,32 @@ namespace Aaru.DiscImages
break;
}
case SectorTagType.CdSectorSubchannel:
throw new NotImplementedException("Packed subchannel not yet supported");
{
switch(chars.Subchannel)
{
case TrackSubchannelType.PackedInterleaved:
{
sectorOffset = 2352;
sectorSize = 96;
sectorSkip = 0;
break;
}
case TrackSubchannelType.Q16Interleaved:
{
sectorOffset = 2352;
sectorSize = 16;
sectorSkip = 0;
break;
}
default: throw new ArgumentOutOfRangeException();
}
break;
}
default: throw new ArgumentException("Unsupported tag requested", nameof(tag));
}
@@ -1579,7 +1604,32 @@ namespace Aaru.DiscImages
break;
}
case SectorTagType.CdSectorSubchannel:
throw new NotImplementedException("Packed subchannel not yet supported");
{
switch(chars.Subchannel)
{
case TrackSubchannelType.PackedInterleaved:
{
sectorOffset = 2352;
sectorSize = 96;
sectorSkip = 0;
break;
}
case TrackSubchannelType.Q16Interleaved:
{
sectorOffset = 2352;
sectorSize = 16;
sectorSkip = 0;
break;
}
default: throw new ArgumentOutOfRangeException();
}
break;
}
default: throw new ArgumentException("Unsupported tag requested", nameof(tag));
}
@@ -1620,7 +1670,32 @@ namespace Aaru.DiscImages
break;
}
case SectorTagType.CdSectorSubchannel:
throw new NotImplementedException("Packed subchannel not yet supported");
{
switch(chars.Subchannel)
{
case TrackSubchannelType.PackedInterleaved:
{
sectorOffset = 2352;
sectorSize = 96;
sectorSkip = 0;
break;
}
case TrackSubchannelType.Q16Interleaved:
{
sectorOffset = 2352;
sectorSize = 16;
sectorSkip = 0;
break;
}
default: throw new ArgumentOutOfRangeException();
}
break;
}
default: throw new ArgumentException("Unsupported tag requested", nameof(tag));
}
@@ -1630,29 +1705,57 @@ namespace Aaru.DiscImages
switch(tag)
{
case SectorTagType.CdSectorSubchannel:
throw new NotImplementedException("Packed subchannel not yet supported");
{
switch(chars.Subchannel)
{
case TrackSubchannelType.PackedInterleaved:
{
sectorOffset = 2352;
sectorSize = 96;
sectorSkip = 0;
break;
}
case TrackSubchannelType.Q16Interleaved:
{
sectorOffset = 2352;
sectorSize = 16;
sectorSkip = 0;
break;
}
default: throw new ArgumentOutOfRangeException();
}
break;
}
default: throw new ArgumentException("Unsupported tag requested", nameof(tag));
}
break;
}
default: throw new FeatureSupportedButNotImplementedImageException("Unsupported track type");
}
switch(chars.Subchannel)
{
case TrackSubchannelType.None:
sectorSkip += 0;
if(tag != SectorTagType.CdSectorSubchannel)
switch(chars.Subchannel)
{
case TrackSubchannelType.None:
sectorSkip += 0;
break;
case TrackSubchannelType.Q16Interleaved:
sectorSkip += 16;
break;
case TrackSubchannelType.Q16Interleaved:
sectorSkip += 16;
break;
case TrackSubchannelType.PackedInterleaved:
sectorSkip += 96;
break;
case TrackSubchannelType.PackedInterleaved:
sectorSkip += 96;
break;
default: throw new FeatureSupportedButNotImplementedImageException("Unsupported subchannel type");
}
break;
default: throw new FeatureSupportedButNotImplementedImageException("Unsupported subchannel type");
}
byte[] buffer = new byte[sectorSize * length];
@@ -1675,11 +1778,15 @@ namespace Aaru.DiscImages
Array.Copy(sector, 0, buffer, i * sectorSize, sectorSize);
}
if(tag == SectorTagType.CdSectorSubchannel &&
chars.Subchannel == TrackSubchannelType.Q16Interleaved)
return Subchannel.ConvertQToRaw(buffer);
if(tag != SectorTagType.CdSectorSubchannel)
return buffer;
return buffer;
return chars.Subchannel switch
{
TrackSubchannelType.Q16Interleaved => Subchannel.ConvertQToRaw(buffer),
TrackSubchannelType.PackedInterleaved => Subchannel.Interleave(buffer),
_ => buffer
};
}
public byte[] ReadSectorLong(ulong sectorAddress) => ReadSectorsLong(sectorAddress, 1);