// Then the ones with dictionary size
public static void CompressFileToLZMAFile(string inFile, string outFile, LZMADictionarySize dictSize)
{
FileStream input = new FileStream(inFile, FileMode.Open);
FileStream output = new FileStream(outFile, FileMode.Create);
Compress(input, output, dictSize);
}
// Then the ones with dictionary size
public static void CompressFileToLZMAFile(string inFile, string outFile, LZMADictionarySize dictSize)
{
FileStream input = new FileStream(inFile, FileMode.Open);
FileStream output = new FileStream(outFile, FileMode.Create);
Compress(input, output, dictSize);
}
public static void CompressByteArrayToLZMAFile(byte[] inByteArray, string outFile, LZMADictionarySize dictSize)
{
Stream input = new MemoryStream(inByteArray);
FileStream output = new FileStream(outFile, FileMode.Create);
Compress(input, output, dictSize);
}
public static bool Compress(Stream stream_in,
Stream stream_out,
LZMADictionarySize dictionary_size,
uint level,
CompressProgressCallback progress_callback)
{
if (level > 9)
{
level = 9;
}
LowLevel.Compression.LZMA.CompressionCallback compression_callback = (uint processed_data, uint compressed_size) =>
{
if (progress_callback != null)
{
progress_callback(new CompressionProgressData((uint)stream_in.Length, processed_data, compressed_size));
}
};
return(LowLevel.Compression.LZMA.Compress(LowLevel.Compression.LZMA.LZMAStandardLayout,
stream_in,
stream_out,
(uint)dictionary_size,
level,
compression_callback));
}
public static byte[] CompressByteArrayToLZMAByteArray(byte[] inByteArray, LZMADictionarySize dictSize)
{
Stream input = new MemoryStream(inByteArray);
MemoryStream output = new MemoryStream();
Compress(input, output, dictSize);
return(output.ToArray());
}
public static byte[] CompressByteArrayToLZMAByteArray(byte[] inByteArray, LZMADictionarySize dictSize)
{
Stream input = new MemoryStream(inByteArray);
MemoryStream output = new MemoryStream();
Compress(input, output, dictSize);
return output.ToArray();
}
private static void Compress(Stream inputStream, Stream outputStream, LZMADictionarySize dictSize)
{
SevenZip.Compression.LZMA.Encoder coder = new SevenZip.Compression.LZMA.Encoder();
Int32 dictSize32 = (Int32)dictSize;
coder.SetCoderProperties(new SevenZip.CoderPropID[] { SevenZip.CoderPropID.DictionarySize }, new object[] { dictSize32 });
// Write encoder properties to output stream
coder.WriteCoderProperties(outputStream);
// Write size of input stream to output stream.
outputStream.Write(BitConverter.GetBytes(inputStream.Length), 0, 8);
// Encode
coder.Code(inputStream, outputStream, inputStream.Length, -1, null);
outputStream.Flush();
outputStream.Close();
}
public static bool Compress(Stream stream_in,
Stream stream_out,
LZMADictionarySize dictionary_size,
uint level,
CompressProgressCallback progress_callback)
{
if (level > 9)
level = 9;
LowLevel.Compression.LZMA.CompressionCallback compression_callback = (uint processed_data, uint compressed_size) =>
{
if (progress_callback != null)
progress_callback(new CompressionProgressData((uint)stream_in.Length, processed_data, compressed_size));
};
return LowLevel.Compression.LZMA.Compress(LowLevel.Compression.LZMA.LZMAStandardLayout,
stream_in,
stream_out,
(uint)dictionary_size,
level,
compression_callback);
}
public static void CompressByteArrayToLZMAFile(byte[] inByteArray, string outFile, LZMADictionarySize dictSize)
{
Stream input = new MemoryStream(inByteArray);
FileStream output = new FileStream(outFile, FileMode.Create);
Compress(input, output, dictSize);
}
private static void Compress(Stream inputStream, Stream outputStream, LZMADictionarySize dictSize)
{
SevenZip.Compression.LZMA.Encoder coder = new SevenZip.Compression.LZMA.Encoder();
Int32 dictSize32 = (Int32)dictSize;
coder.SetCoderProperties (new SevenZip.CoderPropID[] {SevenZip.CoderPropID.DictionarySize}, new object[] {dictSize32});
// Write encoder properties to output stream
coder.WriteCoderProperties(outputStream);
// Write size of input stream to output stream.
outputStream.Write(BitConverter.GetBytes(inputStream.Length), 0, 8);
// Encode
coder.Code(inputStream, outputStream, inputStream.Length, -1, null);
outputStream.Flush();
outputStream.Close();
}
