public static void Compress(Stream source, Stream destination, Action <long> reportProgress = null)
{
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
if (destination == null)
{
throw new ArgumentNullException(nameof(destination));
}
var compressor = new ChunkedCompressor(source, reportProgress);
compressor.Compress(destination);
}
private static (long outputSize, bool compressed) OptimizeStorage(Stream source, Stream destination, Action <long> reportProgress)
{
using var tempStream = CreateTempStream(source.Length);
ChunkedCompressor.Compress(source, tempStream, reportProgress);
if ((double)tempStream.Length / source.Length > 0.8)
{
destination.WriteByte(0);
source.Position = 0;
source.CopyTo(destination);
return(source.Length, false);
}
else
{
destination.WriteByte(1);
tempStream.Position = 0;
tempStream.CopyTo(destination);
return(tempStream.Length, true);
}
}