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For DiscImageChef format, compressend length should include the lzma properties 5-byte field.

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This commit is contained in:
Natalia Portillo
2018-01-24 13:49:21 +00:00
parent f4180a7e6d
commit 34bceca8fb
1 changed files with 14 additions and 12 deletions
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26
DiscImageChef.DiscImages/DiscImageChef.cs
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@@ -220,6 +220,8 @@ namespace DiscImageChef.DiscImages
index.Add(entry);
}
imageInfo.ImageSize = 0;
bool foundUserDataDdt = false;
mediaTags = new Dictionary<MediaTagType, byte[]>();
foreach(IndexEntry entry in index)
@@ -243,7 +245,7 @@ namespace DiscImageChef.DiscImages
Marshal.Copy(structureBytes, 0, structurePointer, Marshal.SizeOf(blockHeader));
blockHeader = (BlockHeader)Marshal.PtrToStructure(structurePointer, typeof(BlockHeader));
Marshal.FreeHGlobal(structurePointer);
imageInfo.ImageSize = blockHeader.cmpLength;
imageInfo.ImageSize += blockHeader.cmpLength;
if(blockHeader.identifier != entry.blockType)
{
@@ -269,10 +271,10 @@ namespace DiscImageChef.DiscImages
if(blockHeader.compression == CompressionType.Lzma)
{
byte[] compressedTag = new byte[blockHeader.cmpLength];
byte[] compressedTag = new byte[blockHeader.cmpLength - LZMA_PROPERTIES_LENGTH];
byte[] lzmaProperties = new byte[LZMA_PROPERTIES_LENGTH];
imageStream.Read(lzmaProperties, 0, LZMA_PROPERTIES_LENGTH);
imageStream.Read(compressedTag, 0, (int)blockHeader.cmpLength);
imageStream.Read(compressedTag, 0, compressedTag.Length);
MemoryStream compressedTagMs = new MemoryStream(compressedTag);
LzmaStream lzmaBlock = new LzmaStream(lzmaProperties, compressedTagMs);
data = new byte[blockHeader.length];
@@ -325,7 +327,7 @@ namespace DiscImageChef.DiscImages
Marshal.Copy(structureBytes, 0, structurePointer, Marshal.SizeOf(ddtHeader));
ddtHeader = (DdtHeader)Marshal.PtrToStructure(structurePointer, typeof(DdtHeader));
Marshal.FreeHGlobal(structurePointer);
imageInfo.ImageSize = ddtHeader.cmpLength;
imageInfo.ImageSize += ddtHeader.cmpLength;
if(ddtHeader.identifier != BlockType.DeDuplicationTable) break;
@@ -338,10 +340,10 @@ namespace DiscImageChef.DiscImages
case CompressionType.Lzma:
DicConsole.DebugWriteLine("DiscImageChef format plugin", "Decompressing DDT...");
DateTime ddtStart = DateTime.UtcNow;
byte[] compressedDdt = new byte[ddtHeader.cmpLength];
byte[] compressedDdt = new byte[ddtHeader.cmpLength - LZMA_PROPERTIES_LENGTH];
byte[] lzmaProperties = new byte[LZMA_PROPERTIES_LENGTH];
imageStream.Read(lzmaProperties, 0, LZMA_PROPERTIES_LENGTH);
imageStream.Read(compressedDdt, 0, (int)ddtHeader.cmpLength);
imageStream.Read(compressedDdt, 0, compressedDdt.Length);
MemoryStream compressedDdtMs = new MemoryStream(compressedDdt);
LzmaStream lzmaDdt = new LzmaStream(lzmaProperties, compressedDdtMs);
byte[] decompressedDdt = new byte[ddtHeader.length];
@@ -468,10 +470,10 @@ namespace DiscImageChef.DiscImages
imageStream.Read(block, 0, (int)blockHeader.length);
break;
case CompressionType.Lzma:
byte[] compressedBlock = new byte[blockHeader.cmpLength];
byte[] compressedBlock = new byte[blockHeader.cmpLength - LZMA_PROPERTIES_LENGTH];
byte[] lzmaProperties = new byte[LZMA_PROPERTIES_LENGTH];
imageStream.Read(lzmaProperties, 0, LZMA_PROPERTIES_LENGTH);
imageStream.Read(compressedBlock, 0, (int)blockHeader.cmpLength);
imageStream.Read(compressedBlock, 0, compressedBlock.Length);
MemoryStream compressedBlockMs = new MemoryStream(compressedBlock);
LzmaStream lzmaBlock = new LzmaStream(lzmaProperties, compressedBlockMs);
block = new byte[blockHeader.length];
@@ -781,7 +783,7 @@ namespace DiscImageChef.DiscImages
currentBlockHeader.crc64 = BitConverter.ToUInt64(crc64.Final(), 0);
byte[] lzmaProperties = compressedBlockStream.Properties;
compressedBlockStream.Close();
currentBlockHeader.cmpLength = (uint)blockStream.Length;
currentBlockHeader.cmpLength = (uint)blockStream.Length + LZMA_PROPERTIES_LENGTH;
Crc64Context.Data(blockStream.ToArray(), out byte[] cmpCrc64);
currentBlockHeader.cmpCrc64 = BitConverter.ToUInt64(cmpCrc64, 0);
@@ -895,7 +897,7 @@ namespace DiscImageChef.DiscImages
currentBlockHeader.crc64 = BitConverter.ToUInt64(crc64.Final(), 0);
byte[] lzmaProperties = compressedBlockStream.Properties;
compressedBlockStream.Close();
currentBlockHeader.cmpLength = (uint)blockStream.Length;
currentBlockHeader.cmpLength = (uint)blockStream.Length + LZMA_PROPERTIES_LENGTH;
Crc64Context.Data(blockStream.ToArray(), out byte[] cmpCrc64);
currentBlockHeader.cmpCrc64 = BitConverter.ToUInt64(cmpCrc64, 0);
@@ -955,7 +957,7 @@ namespace DiscImageChef.DiscImages
{
tagData = blockStream.ToArray();
Crc64Context.Data(tagData, out tagCrc);
tagBlock.cmpLength = (uint)tagData.Length;
tagBlock.cmpLength = (uint)tagData.Length + LZMA_PROPERTIES_LENGTH;
tagBlock.cmpCrc64 = BitConverter.ToUInt64(tagCrc, 0);
tagBlock.compression = CompressionType.Lzma;
}
@@ -1033,7 +1035,7 @@ namespace DiscImageChef.DiscImages
byte[] lzmaProperties = compressedBlockStream.Properties;
compressedBlockStream.Close();
ddtHeader.cmpLength = (uint)blockStream.Length;
ddtHeader.cmpLength = (uint)blockStream.Length + LZMA_PROPERTIES_LENGTH;
Crc64Context.Data(blockStream.ToArray(), out byte[] cmpCrc64);
ddtHeader.cmpCrc64 = BitConverter.ToUInt64(cmpCrc64, 0);