1 files changed, 56 insertions, 0 deletions
diff --git a/MediaBrowser.Model/Dlna/DlnaMaps.cs b/MediaBrowser.Model/Dlna/DlnaMaps.cs
new file mode 100644
index 000000000..8dadc32d6
--- /dev/null
+++ b/MediaBrowser.Model/Dlna/DlnaMaps.cs
@@ -0,0 +1,56 @@
+namespace MediaBrowser.Model.Dlna
+{
+    public class DlnaMaps
+    {
+        private static readonly string DefaultStreaming =
+             FlagsToString(DlnaFlags.StreamingTransferMode |
+                           DlnaFlags.BackgroundTransferMode |
+                           DlnaFlags.ConnectionStall |
+                           DlnaFlags.ByteBasedSeek |
+                           DlnaFlags.DlnaV15);
+
+        private static readonly string DefaultInteractive =
+          FlagsToString(DlnaFlags.InteractiveTransferMode |
+                        DlnaFlags.BackgroundTransferMode |
+                        DlnaFlags.ConnectionStall |
+                        DlnaFlags.ByteBasedSeek |
+                        DlnaFlags.DlnaV15);
+
+        public static string FlagsToString(DlnaFlags flags)
+        {
+            return string.Format("{0:X8}{1:D24}", (ulong)flags, 0);
+        }
+
+        public static string GetOrgOpValue(bool hasKnownRuntime, bool isDirectStream, TranscodeSeekInfo profileTranscodeSeekInfo)
+        {
+            if (hasKnownRuntime)
+            {
+                string orgOp = string.Empty;
+
+                // Time-based seeking currently only possible when transcoding
+                orgOp += isDirectStream ? "0" : "1";
+
+                // Byte-based seeking only possible when not transcoding
+                orgOp += isDirectStream || profileTranscodeSeekInfo == TranscodeSeekInfo.Bytes ? "1" : "0";
+
+                return orgOp;
+            }
+
+            // No seeking is available if we don't know the content runtime
+            return "00";
+        }
+
+        public static string GetImageOrgOpValue()
+        {
+            string orgOp = string.Empty;
+
+            // Time-based seeking currently only possible when transcoding
+            orgOp += "0";
+
+            // Byte-based seeking only possible when not transcoding
+            orgOp += "0";
+
+            return orgOp;
+        }
+    }
+}