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Add PIC parsing

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This commit is contained in:
Matt Nadareski
2021-02-27 16:58:09 -08:00
parent 6be4bb7c85
commit 7ee5e3ab43
1 changed files with 77 additions and 15 deletions
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92
MPF.Library/DiscImageCreator/Parameters.cs
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@@ -1929,24 +1929,29 @@ namespace MPF.DiscImageCreator
info.SizeAndChecksums.SHA1 = sha1;
}
// Deal with the layerbreak
string layerbreak = null;
// Deal with the layerbreaks
if (this.Type == MediaType.DVD)
layerbreak = GetLayerbreak(basePath + "_disc.txt", xgd) ?? "";
{
string layerbreak = GetLayerbreak(basePath + "_disc.txt", xgd) ?? "";
info.SizeAndChecksums.Layerbreak = !string.IsNullOrEmpty(layerbreak) ? Int64.Parse(layerbreak) : default;
}
else if (this.Type == MediaType.BluRay)
layerbreak = info.SizeAndChecksums.Size > 25_025_314_816 ? "25025314816" : null;
{
if (GetLayerbreak(Path.Combine(outputDirectory, "PIC.bin"), out long? layerbreak1, out long? layerbreak2, out long? layerbreak3))
{
info.SizeAndChecksums.Layerbreak = layerbreak1 ?? default;
info.SizeAndChecksums.Layerbreak2 = layerbreak2 ?? default;
info.SizeAndChecksums.Layerbreak3 = layerbreak3 ?? default;
}
else
{
string layerbreak = GetLayerbreak(basePath + "_disc.txt", xgd) ?? "";
info.SizeAndChecksums.Layerbreak = !string.IsNullOrEmpty(layerbreak) ? Int64.Parse(layerbreak) : default;
}
}
// If we have a single-layer disc
if (string.IsNullOrWhiteSpace(layerbreak))
{
info.Extras.PVD = GetPVD(basePath + "_mainInfo.txt") ?? "";
}
// If we have a dual-layer disc
else
{
info.Extras.PVD = GetPVD(basePath + "_mainInfo.txt") ?? "";
info.SizeAndChecksums.Layerbreak = Int64.Parse(layerbreak);
}
// Read the PVD
info.Extras.PVD = GetPVD(basePath + "_mainInfo.txt") ?? "";
// Bluray-specific options
if (this.Type == MediaType.BluRay)
@@ -2819,6 +2824,63 @@ namespace MPF.DiscImageCreator
}
}
/// <summary>
/// Get the layerbreak info associated with the dump
/// </summary>
/// <param name="picPath">Path to the PIC.bin file associated with the dump</param>
/// <returns>True if layerbreak info was set, false otherwise</returns>
/// <remarks>https://stackoverflow.com/questions/9932096/add-separator-to-string-at-every-n-characters</remarks>
private static bool GetLayerbreak(string picPath, out long? layerbreak1, out long? layerbreak2, out long? layerbreak3)
{
// Set the default values
layerbreak1 = null; layerbreak2 = null; layerbreak3 = null;
// If the file doesn't exist, we can't get the info
if (!File.Exists(picPath))
return false;
try
{
using (BinaryReader br = new BinaryReader(File.OpenRead(picPath)))
{
// Layerbreak 1
br.BaseStream.Seek(0x1C, SeekOrigin.Begin);
long layerbreak1Offset = br.ReadInt32();
long layerbreak1Value = br.ReadInt32();
if (layerbreak1Value != 17341438)
return false;
layerbreak1 = layerbreak1Value - layerbreak1Offset + 2;
// Layerbreak 2
br.BaseStream.Seek(0x5C, SeekOrigin.Begin);
long layerbreak2Offset = br.ReadInt32();
long layerbreak2Value = br.ReadInt32();
if (layerbreak2Value != 66060286)
return true;
layerbreak2 = layerbreak2Value - layerbreak2Offset + 2;
// TODO: Figure out the default value for layerbreak 3
// Layerbreak 3
// br.BaseStream.Seek(0x9C, SeekOrigin.Begin);
// long layerbreak3Offset = br.ReadInt32();
// long layerbreak3Value = br.ReadInt32();
// if (layerbreak3Value != 66060286)
// return true;
// layerbreak3 = layerbreak3Value - layerbreak3Offset + 2;
return true;
}
}
catch
{
// We don't care what the error was
return false;
}
}
/// <summary>
/// Get if LibCrypt data is detected in the subchannel file, if possible
/// </summary>