Only EFE implemented for Metadata file entry #199

Sonic3R · 2020-07-11T13:49:10Z

When I wish to extract an ISO file, I got:

Only EFE implemented for Metadata file entry

The code I used:

  try
  {
    using (FileStream isoStream = File.Open(opts.Path, FileMode.Open))
    {
      UdfReader cd = new UdfReader(isoStream);
      var dirs = cd.Root.GetDirectories();
      var files = cd.Root.GetFiles();

      foreach (var dir in dirs)
      {
        CopyDir(dir, opts.Output);
      }

      foreach (var file in files)
      {
        var path = FolderUtility.Combine(opts.Output, file.Name);
        CopyFile(file, path);
      }
    }
  }
  catch (Exception ex)
  {
    Console.ForegroundColor = ConsoleColor.Red;
    Console.WriteLine(ex.Message);
  }

and


    static void CopyDir(DiscDirectoryInfo ddi, string outpath)
    {
      string path = FolderUtility.Combine(outpath, ddi.FullName);
      if (!Directory.Exists(path))
      {
        Console.WriteLine($"Creating directory {path}");
        Directory.CreateDirectory(path);
      }

      var files = ddi.GetFiles();
      if (files.Length > 0)
      {
        foreach (DiscFileInfo file in files)
        {
          var filePath = FolderUtility.Combine(outpath, file.FullName);

          Console.WriteLine($"Creating file {filePath} ( {SizeConverter.SizeToText(file.Length)} )");

          if (File.Exists(filePath))
          {
            File.Delete(filePath);
          }

          CopyFile(file, filePath);
        }
      }

      var dirs = ddi.GetDirectories();
      if (dirs.Length > 0)
      {
        foreach (DiscDirectoryInfo dir in dirs)
        {
          CopyDir(dir, outpath);
        }
      }
    }

    static void CopyFile(DiscFileInfo file, string filePath)
    {
      using (FileStream fs = File.Create(filePath))
      {
        using (var fileStream = file.Open(FileMode.Open))
        {
          fileStream.CopyTo(fs);
        }
      }
    }

What is the problem ? How can extract that ISO file ?

The text was updated successfully, but these errors were encountered:

camix · 2022-01-11T00:20:48Z

I also ran into this error when trying to read a specific Blu-ray iso file. The image mounts and is playable on my system via VLC but if I try to construct a reader (UdfReader cd = new UdfReader(isoStream)) I get the EFE implemented exception. I don't know if this is useful but using other disc analysis tools I can see that the UDF structure of the iso file is as follows:

"Disc Type Information" | 0-31
"Volume Descriptor Sequence" | 32-37
"Reserve Volume Descriptor Sequence" | 64-79
"Logical Volume Integrity Descriptor" | 96-97
"Anchor Volume Descriptor Pointer" | 256-256
"Meta Data File" | 480-480
"Fileset Descriptor","Meta Data File","Meta Data Mirror File" | 512-513
"Meta Data File","Meta Data Mirror File","Root Node" | 514-514
"Meta Data File","Meta Data Mirror File" | 515-1567
"Meta Data Mirror File" | 14070528-14070528

If you contact me I can get you a copy of the iso file or help debug things further.

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Only EFE implemented for Metadata file entry #199

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