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Add support for negative and overflow sectors in image creation

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This commit is contained in:
Natalia Portillo
2025-10-23 11:21:47 +01:00
parent 23873fb2f5
commit e2d4ea76b8
55 changed files with 223 additions and 150 deletions
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55
Aaru.Core/Devices/Dumping/Sbc/Dump.cs
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@@ -78,7 +78,7 @@ partial class Dump
bool sense;
byte scsiMediumType = 0;
byte scsiDensityCode = 0;
bool containsFloppyPage = false;
var containsFloppyPage = false;
const ushort sbcProfile = 0x0001;
double totalDuration = 0;
double currentSpeed = 0;
@@ -366,12 +366,12 @@ partial class Dump
_private,
_dimensions);
var ibgLog = new IbgLog(_outputPrefix + ".ibg", sbcProfile);
bool imageCreated = false;
var ibgLog = new IbgLog(_outputPrefix + ".ibg", sbcProfile);
var imageCreated = false;
if(!opticalDisc)
{
ret = outputFormat.Create(_outputPath, dskType, _formatOptions, blocks, blockSize);
ret = outputFormat.Create(_outputPath, dskType, _formatOptions, blocks, 0, 0, blockSize);
// Cannot create image
if(!ret)
@@ -388,12 +388,23 @@ partial class Dump
_dumpStopwatch.Restart();
double imageWriteDuration = 0;
bool writeSingleOpticalTrack = true;
var writeSingleOpticalTrack = true;
uint nominalNegativeSectors = 0;
if(opticalDisc)
{
if(outputFormat is IWritableOpticalImage opticalPlugin)
{
mediaTags.TryGetValue(MediaTagType.DVD_PFI, out byte[] pfi);
PFI.PhysicalFormatInformation? decodedPfi = PFI.Decode(pfi, dskType);
if(decodedPfi.HasValue) nominalNegativeSectors = decodedPfi.Value.DataAreaStartPSN;
mediaTags.TryGetValue(MediaTagType.BD_DI, out byte[] di);
DI.DiscInformation? decodedDi = DI.Decode(di);
if(decodedDi.HasValue) nominalNegativeSectors = decodedDi.Value.Units[0].FirstAun;
sense = _dev.ReadDiscInformation(out byte[] readBuffer,
out _,
MmcDiscInformationDataTypes.DiscInformation,
@@ -515,7 +526,19 @@ partial class Dump
else
tracks = tracks.OrderBy(t => t.Sequence).ToList();
ret = outputFormat.Create(_outputPath, dskType, _formatOptions, blocks, blockSize);
ret = outputFormat.Create(_outputPath,
dskType,
_formatOptions,
blocks,
(outputFormat as IWritableOpticalImage).OpticalCapabilities
.HasFlag(OpticalImageCapabilities.CanStoreNegativeSectors)
? nominalNegativeSectors
: 0,
(outputFormat as IWritableOpticalImage).OpticalCapabilities
.HasFlag(OpticalImageCapabilities.CanStoreOverflowSectors)
? 15000u
: 0,
blockSize);
// Cannot create image
if(!ret)
@@ -582,7 +605,7 @@ partial class Dump
}
else if(decMode?.Pages != null)
{
bool setGeometry = false;
var setGeometry = false;
foreach(Modes.ModePage page in decMode.Value.Pages)
{
@@ -636,7 +659,21 @@ partial class Dump
if(!imageCreated)
{
ret = outputFormat.Create(_outputPath, dskType, _formatOptions, blocks, blockSize);
ret = outputFormat.Create(_outputPath,
dskType,
_formatOptions,
blocks,
(outputFormat as IWritableOpticalImage).OpticalCapabilities
.HasFlag(OpticalImageCapabilities
.CanStoreNegativeSectors)
? nominalNegativeSectors
: 0,
(outputFormat as IWritableOpticalImage).OpticalCapabilities
.HasFlag(OpticalImageCapabilities
.CanStoreOverflowSectors)
? 15000u
: 0,
blockSize);
// Cannot create image
if(!ret)
@@ -736,7 +773,7 @@ partial class Dump
if(_resume?.BlankExtents != null) blankExtents = ExtentsConverter.FromMetadata(_resume.BlankExtents);
bool newTrim = false;
var newTrim = false;
if(mediaTags.TryGetValue(MediaTagType.DVD_CMI, out byte[] cmi) &&
Settings.Settings.Current.EnableDecryption &&