1 files changed, 19 insertions, 0 deletions
diff --git a/MediaBrowser.Model/IO/IStreamHelper.cs b/MediaBrowser.Model/IO/IStreamHelper.cs
new file mode 100644
index 000000000..7ed6015c0
--- /dev/null
+++ b/MediaBrowser.Model/IO/IStreamHelper.cs
@@ -0,0 +1,19 @@
+using System;
+using System.IO;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace MediaBrowser.Model.IO
+{
+    public interface IStreamHelper
+    {
+        Task CopyToAsync(Stream source, Stream destination, int bufferSize, Action onStarted, CancellationToken cancellationToken);
+
+        Task CopyToAsync(Stream source, Stream destination, int bufferSize, int emptyReadLimit, CancellationToken cancellationToken);
+
+        Task<int> CopyToAsync(Stream source, Stream destination, CancellationToken cancellationToken);
+        Task CopyToAsync(Stream source, Stream destination, long copyLength, CancellationToken cancellationToken);
+
+        Task CopyUntilCancelled(Stream source, Stream target, int bufferSize, CancellationToken cancellationToken);
+    }
+}