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

Aaru.CommonTypes/Enums/Images.cs

@@ -384,7 +384,10 @@ public enum MediaTagType
     MiniDiscDTOC = 72,
     /// <summary>Decrypted DVD disc key</summary>
     [Description("Disc key (Decrypted)")]
-    DVD_DiscKey_Decrypted = 73
+    DVD_DiscKey_Decrypted = 73,
+    /// <summary>Physical Format Information for the 2nd layer of dual-layer DVDs</summary>
+    [Description("Physical Format Information (2nd Layer)")]
+    DVD_PFI_2ndLayer = 74
 }
 
 /// <summary>Enumeration of media types defined in metadata</summary>

Aaru.Core/Devices/Dumping/MMC.cs

@@ -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));
+                                }
+                            }
+                        }
                     }
                 }
 

Aaru.Core/ImageInfo.cs

@@ -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);

Aaru.Gui/ViewModels/Windows/DecodeMediaTagsViewModel.cs

@@ -210,6 +210,7 @@ public sealed partial class DecodeMediaTagsViewModel : ViewModelBase
 
                     break;
                 case MediaTagType.DVD_PFI:
+                case MediaTagType.DVD_PFI_2ndLayer:
                     DecodedText = PFI.Prettify(value.Data, _mediaType);
                     if(string.IsNullOrEmpty(DecodedText)) DecodedVisible = false;
 

Aaru.Localization/Core.Designer.cs

@@ -6892,5 +6892,11 @@ namespace Aaru.Localization {
                 return ResourceManager.GetString("Media_identified_as", resourceCulture);
             }
         }
+        
+        public static string DVD_2nd_layer_Physical_Format_Information_contained_in_image_WithMarkup {
+            get {
+                return ResourceManager.GetString("DVD_2nd_layer_Physical_Format_Information_contained_in_image_WithMarkup", resourceCulture);
+            }
+        }
     }
 }

Aaru.Localization/Core.es.resx

@@ -3496,4 +3496,7 @@ No tiene sentido hacerlo y supondría demasiado esfuerzo para la cinta.</value>
     <data name="XML_type_0" xml:space="preserve">
         <value>[slateblue1]Tipo XML:[/] [italic][rosybrown]{0}[/][/]</value>
     </data>
+    <data name="DVD_2nd_layer_Physical_Format_Information_contained_in_image_WithMarkup" xml:space="preserve">
+        <value>[bold][blue]Información del formato físico del DVD (2ª capa) contenida en la imagen:[/][/]</value>
+    </data>
 </root>

Aaru.Localization/Core.resx

@@ -3517,4 +3517,7 @@ It has no sense to do it, and it will put too much strain on the tape.</value>
     <data name="Media_identified_as" xml:space="preserve">
         <value>Media identified as</value>
     </data>
+    <data name="DVD_2nd_layer_Physical_Format_Information_contained_in_image_WithMarkup" xml:space="preserve">
+        <value>[bold][blue]DVD 2nd layer Physical Format Information contained in image:[/][/]</value>
+    </data>
 </root>