public void Compress(Stream inStream, BitOutputStream outStream)
{
var enc = new ArithmeticEncoder(outStream);
var model = new PpmModel(ModelOrder, EscapeSymbol);
var history = new int[0];
while (true)
{
var symbol = inStream.ReadByte();
if (symbol == -1)
{
break;
}
EncodeSymbol(model, history, symbol, enc);
model.IncrementContexts(history, symbol);
if (model.ModelOrder >= 1)
{
if (history.Length < model.ModelOrder)
{
Array.Resize(ref history, history.Length + 1);
}
Array.Copy(history, 0, history, 1, history.Length - 1);
history[0] = symbol;
}
}
EncodeSymbol(model, history, EscapeSymbol, enc);
enc.Finish();
}
