public static void Encode(string original, string encoded, bool high, int block, int chunk)
{
var flags = high ? RefStreamFlags.HighCompression : RefStreamFlags.None;
using (var input = File.OpenRead(original))
using (var encode = new RefStream(File.Create(encoded), RefStreamMode.Compress, flags))
{
var buffer = new byte[chunk];
while (true)
{
var read = input.Read(buffer, 0, buffer.Length);
if (read == 0)
{
break;
}
encode.Write(buffer, 0, read);
}
}
}
//Json End
public void CompressAndSaveLZ4(T obj, string fileName)
{
using (FileStream fs = new FileStream(fileName, FileMode.OpenOrCreate))
{
using (MemoryStream objectSerialization = new MemoryStream())
{
var byt = GetBytes(obj);
using (BinaryWriter binaryWriter = new BinaryWriter(fs))
{
binaryWriter.Write(byt.Length); //write the length first
using (var stream = new LZ4.LZ4Stream(fs, LZ4.LZ4StreamMode.Compress, true, byt.Count()))
{
stream.Write(byt, 0, byt.Length);
}
}
}
}
}
static void Main(string[] args)
{
var testCount = 1;
var testFile = "test.txt";
GenerateFile(testFile);
var testData = File.ReadAllBytes(testFile);
int size = 0;
ExecuteTest(testCount, "Copy", testData, (data) =>
{
var copy = new byte[data.Length];
data.CopyTo(copy, 0);
return(copy.Length);
});
ExecuteTest(testCount, "ft.lz4", testData, (data) =>
{
using (var memoryStream = new MemoryStream(64 * 1024))
{
using (var lz4 = FT.LZ4.LZ4Stream.Encode(memoryStream))
{
lz4.Write(data, 0, data.Length);
lz4.Flush();
return((int)memoryStream.Length);
}
}
});
ExecuteTest(testCount, "Gzip", testData, (data) =>
{
using (var memoryStream = new MemoryStream(64 * 1024))
{
using (var gz = new GZipStream(memoryStream, CompressionMode.Compress))
{
gz.Write(data, 0, data.Length);
gz.Flush();
return((int)memoryStream.Length);
}
}
});
ExecuteTest(testCount, "deflate", testData, (data) =>
{
using (var memoryStream = new MemoryStream(64 * 1024))
{
using (var deflate = new DeflateStream(memoryStream, CompressionMode.Compress))
{
deflate.Write(data, 0, data.Length);
deflate.Flush();
return((int)memoryStream.Length);
}
}
});
/*
* ExecuteTest(testCount, "k40s", testData, (data) =>
* {
* using (var memoryStream = new MemoryStream(64 * 1024))
* {
* using (var lz4 = K4os.Compression.LZ4.Streams.LZ4Stream.Encode(memoryStream))
* {
* lz4.Write(data, 0, data.Length);
* lz4.Flush();
* return (int)memoryStream.Length;
* }
* }
* });
*/
ExecuteTest(testCount, "lz4net", testData, (data) =>
{
using (var memoryStream = new MemoryStream(64 * 1024))
{
using (var lz4 = new LZ4.LZ4Stream(memoryStream, CompressionMode.Compress))
{
lz4.Write(data, 0, data.Length);
lz4.Flush();
return((int)memoryStream.Length);
}
}
});
Console.ReadKey();
}