private static void Encode(Stream input, Stream output)
{
using (PaddedStream paddedInput = new PaddedStream(input, 32, PaddedStreamMode.Read))
{
using (XorStream xorPaddedInput = new XorStream(paddedInput))
{
using (MemoryStream normalOutput = new MemoryStream())
{
using (MemoryStream xorOutput = new MemoryStream())
{
long initialPosition = input.Position;
long inputLength = input.Length - initialPosition;
// Compress using normal encoding
EncodeInternal(paddedInput, normalOutput, false, inputLength);
// Reset the input stream and compress using XOR encoding
input.Position = initialPosition;
EncodeInternal(xorPaddedInput, xorOutput, true, inputLength);
long normalOutputLength = normalOutput.Length;
long xorOutputLength = xorOutput.Length;
using (PaddedStream paddedOutput = new PaddedStream(output, 2, PaddedStreamMode.Write))
{
byte[] outputBytes =
(normalOutputLength <= xorOutputLength ? normalOutput : xorOutput).ToArray();
paddedOutput.Write(outputBytes, 0, outputBytes.Length);
}
}
}
}
}
}
