MediaBrowser.Controller/IO/StreamHelper.cs


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using System.IO;
using System.Threading;

namespace MediaBrowser.Controller.IO
{
    public static class StreamHelper
    {
        public static void CopyTo(Stream source, Stream destination, int bufferSize, CancellationToken cancellationToken)
        {
            byte[] buffer = new byte[bufferSize];
            int read;
            while ((read = source.Read(buffer, 0, buffer.Length)) != 0)
            {
                cancellationToken.ThrowIfCancellationRequested();

                destination.Write(buffer, 0, read);
            }
        }
    }
}