// Called by the task when it is done with this writer, launches the async write
internal void Flush()
{
OutputSize += _bufferPos;
_writeTask = Task <uint> .Factory.StartNew(() => {
if (Compress)
{
_compressor.Write(_memBuffer, 0, (int)_bufferPos);
_compressor.Flush();
_compressor.Close();
_file.Flush();
}
else
{
_file.Write(_memBuffer, 0, (int)_bufferPos);
_file.Flush();
}
var size = (uint)_file.Position;
_compressor?.Dispose();
_file?.Dispose();
return(Compress ? size : 0);
});
}
public static void Encode(
string original, string encoded, int chuckSize, LZ4Settings settings)
{
var frameInfo = new LZ4Descriptor(
null, false, settings.Chaining, false, null, settings.BlockSize);
using (var input = File.OpenRead(original))
using (var output = File.Create(encoded))
using (var encode = new LZ4EncoderStream(
output, frameInfo, i => LZ4Encoder.Create(
i.Chaining, settings.Level, i.BlockSize, settings.ExtraBlocks)))
{
var buffer = new byte[chuckSize];
while (true)
{
var read = input.Read(buffer, 0, buffer.Length);
if (read == 0)
{
break;
}
encode.Write(buffer, 0, read);
}
}
}