public static byte[] EncodeBytes(byte[] source)
{
var coder = new HuffmanCoder <byte>();
coder.Build(source);
var encoded = coder.Encode(source);
var freq = coder.GetFrequencies();
return(BitConverter.GetBytes((short)(freq.Length))
.Concat(ToByteArray(freq))
.Concat(ToByteArray(encoded))
.ToArray());
}
static byte[] SaveHuffman(int[] seq, string name)
{
var seqdiff = seq.Distinct().Diff((a, b) => b - a).ToArray();
var coder = new HuffmanCoder <int>();
coder.Build(seqdiff);
var encoded = coder.Encode(seqdiff);
var freq = coder.GetFrequencies();
var seqhuff = BitConverter.GetBytes((short)(freq.Length))
.Concat(HuffmanHelper.ToByteArray(freq))
.Concat(HuffmanHelper.ToByteArray(encoded))
.ToArray();
seqhuff.WriteToGzip(name + "-huff");
return(seqhuff);
}
