ptr = encodeHuff(diffsHT,binaryLenght+negStart-1,stream,ptr);
bitwrite(stream,ptr,binaryLenght,absolute_value);
ptr += binaryLenght;
} else { // Valor grande >= 128
absolute_value = diffs[index];
ptr = encodeHuff(diffsHT,binaryLenght+negStart-1,stream,ptr);
bitwrite(stream,ptr,binaryLenght,absolute_value);
ptr += binaryLenght;
} else { // Valor grande >= 128
absolute_value = diffs[index];