/// <summary>
/// Creates the decompression stream.
/// </summary>
/// <param name="input">The input.</param>
/// <returns>
/// A Decompression Stream.
/// </returns>
public Stream CreateDecompressionStream(Stream input)
{
byte[] buffer = new byte[1024];
lz4.LZ4Stream stream = lz4.LZ4Stream.CreateDecompressor(input, lz4.LZ4StreamMode.Write, false);
// the lz4 stream will decompress the data from 'buffer'
// and write the uncompressed data to the 'innerStream'
stream.Write(buffer, 0, buffer.Length);
return(stream);
}
/// <summary>
/// Creates the compression stream.
/// </summary>
/// <param name="output">The output.</param>
/// <returns>
/// A Compression Stream.
/// </returns>
public Stream CreateCompressionStream(Stream output)
{
byte[] buffer = new byte[1024];
lz4.LZ4Stream stream = lz4.LZ4Stream.CreateCompressor(output, lz4.LZ4StreamMode.Write, lz4.LZ4FrameBlockMode.Linked, lz4.LZ4FrameBlockSize.Max64KB, lz4.LZ4FrameChecksumMode.Content, null, false);
// write uncompressed data to the lz4 stream
// the stream will compress the data and write it to the innerStream
stream.Write(buffer, 0, buffer.Length);
return(stream);
}
public byte[] Compress(byte[] data)
{
byte[] result = null;
using (MemoryStream ms = new MemoryStream(data.Length))
{
using (lz4.LZ4Stream lz4Stream = lz4.LZ4Stream.CreateCompressor(ms, lz4.LZ4StreamMode.Write, lz4.LZ4FrameBlockMode.Linked, lz4.LZ4FrameBlockSize.Max64KB, lz4.LZ4FrameChecksumMode.Content))
{
lz4Stream.Write(data, 0, data.Length);
}
ms.Flush();
result = ms.ToArray();
}
return(result);
}
public byte[] Decompress(byte[] data)
{
byte[] result = null;
try
{
using (MemoryStream ms = new MemoryStream(data.Length * DECOMPRESS_BUFFER_SIZE_FACTOR))
{
using (lz4.LZ4Stream lz4Stream = lz4.LZ4Stream.CreateDecompressor(ms, lz4.LZ4StreamMode.Write))
{
lz4Stream.Write(data, 0, data.Length);
}
ms.Flush();
result = ms.ToArray();
}
}
catch (Exception ex)
{
Console.WriteLine($"EXCEPTION: {ex.GetType().Name}, {ex.Message}");
}
return(result);
}
