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Add support for dumping the 2nd layer PFI of DVDs.

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This commit is contained in:
Natalia Portillo
2025-12-14 11:23:54 +00:00
parent c92b3f636a
commit 1aa8271d62
7 changed files with 58 additions and 1 deletions
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27
Aaru.Core/Devices/Dumping/MMC.cs
View File

@@ -420,6 +420,33 @@ partial class Dump
DiskCategory.UMD => MediaType.UMD,
_ => MediaType.DVDROM
};
if(nullablePfi.Value.Layers > 1)
{
sense = _dev.ReadDiscStructure(out cmdBuf,
out _,
MmcDiscStructureMediaType.Dvd,
0,
1,
MmcDiscStructureFormat.PhysicalInformation,
0,
_dev.Timeout,
out _);
if(!sense)
{
PFI.PhysicalFormatInformation? layer2Pfi = PFI.Decode(cmdBuf, dskType);
if(layer2Pfi.HasValue)
{
tmpBuf = new byte[cmdBuf.Length - 4];
Array.Copy(cmdBuf, 4, tmpBuf, 0, cmdBuf.Length - 4);
mediaTags.Add(MediaTagType.DVD_PFI_2ndLayer, tmpBuf);
UpdateStatus?.Invoke("Layer 2 PFI:\n" + PFI.Prettify(layer2Pfi.Value));
}
}
}
}
}

14
Aaru.Core/ImageInfo.cs
View File

@@ -566,6 +566,20 @@ public static class ImageInfo
}
}
if(imageFormat.Info.ReadableMediaTags?.Contains(MediaTagType.DVD_PFI_2ndLayer) == true)
{
errno = imageFormat.ReadMediaTag(MediaTagType.DVD_PFI_2ndLayer, out byte[] pfi);
if(errno == ErrorNumber.NoError)
{
AaruLogging.WriteLine(Localization.Core
.DVD_2nd_layer_Physical_Format_Information_contained_in_image_WithMarkup);
AaruLogging.Write(PFI.Prettify(pfi, imageFormat.Info.MediaType));
AaruLogging.WriteLine();
}
}
if(imageFormat.Info.ReadableMediaTags?.Contains(MediaTagType.DVDRAM_DDS) == true)
{
errno = imageFormat.ReadMediaTag(MediaTagType.DVDRAM_DDS, out byte[] dds);