avoid buffering http responses

MediaBrowser.Common.Implementations/IO/MemoryStreamProvider.cs

@@ -0,0 +1,31 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using MediaBrowser.Common.IO;
+using Microsoft.IO;
+
+namespace MediaBrowser.Common.Implementations.IO
+{
+    public class MemoryStreamProvider : IMemoryStreamProvider
+    {
+        readonly RecyclableMemoryStreamManager _manager = new RecyclableMemoryStreamManager();
+
+        public MemoryStream CreateNew()
+        {
+            return _manager.GetStream();
+        }
+
+        public MemoryStream CreateNew(int capacity)
+        {
+            return _manager.GetStream("RecyclableMemoryStream", capacity);
+        }
+
+        public MemoryStream CreateNew(byte[] buffer)
+        {
+            return _manager.GetStream("RecyclableMemoryStream", buffer, 0, buffer.Length);
+        }
+    }
+}