Added RTS Option to listener (#147)

Author: 4thlabs

src/DolbyIO.Comms.Native/conference.h

@@ -71,6 +71,7 @@ namespace dolbyio::comms::native {
    */
   struct listen_options {
     connection_options connection;
+    int                listen_mode;
   };
 
   /**
@@ -253,10 +254,12 @@ namespace dolbyio::comms::native {
   struct translator<dolbyio::comms::native::listen_options, dolbyio::comms::services::conference::listen_options, Traits> {
     static void to_c(typename Traits::c_type* dest, const typename Traits::cpp_type& src) {
       no_alloc_to_c(&dest->connection, src.connection);
+      dest->listen_mode = to_underlying(src.type);
     }
 
     static void to_cpp(typename Traits::cpp_type& dest, typename Traits::c_type* src) {
       no_alloc_to_cpp(dest.connection, &src->connection);
+      dest.type = (dolbyio::comms::listen_mode)(src->listen_mode);
     }
   };
 

src/DolbyIO.Comms.Sdk/CMakeLists.txt

@@ -11,6 +11,7 @@ add_dotnet_library(
         Native/Enums/ParticipantType.cs
         Native/Enums/Result.cs
         Native/Enums/SpatialAudioStyle.cs
+        Native/Enums/ListenMode.cs
         Native/Structs/Handles/VideoFrame.cs
         Native/Structs/Handles/VideoSinkHandle.cs
         Native/Structs/Handles/VideoFrameHandlerHandle.cs

src/DolbyIO.Comms.Sdk/Native/Enums/ListenMode.cs

@@ -0,0 +1,18 @@
+namespace DolbyIO.Comms 
+{
+    /// <summary>
+    /// The listening mode for listeners.
+    /// </summary>
+    public enum ListenMode
+    {
+        /// <summary>
+        /// Receive multiple streams.
+        /// </summary>
+        Regular = 0,
+
+        /// <summary>
+        /// Receive a realtime mixed stream.
+        /// </summary>
+        RtsMixed = 1
+    }
+}

src/DolbyIO.Comms.Sdk/Native/Structs/ListenOptions.cs

@@ -14,5 +14,11 @@ public class ListenOptions
         /// </summary>
         /// <returns>The connection options.</returns>
         public ConnectionOptions Connection = new ConnectionOptions();
+
+        /// <summary>
+        /// The listening mode.
+        /// </summary>
+        [MarshalAs(UnmanagedType.I4)]
+        public ListenMode Mode = ListenMode.Regular;
     }
 }

src/DolbyIO.Comms.Tests/ConferenceTests.cs

@@ -77,13 +77,15 @@ public void Test_ListenOptions_ShouldMarshall()
             ListenOptions src = new ListenOptions();
             src.Connection.ConferenceAccessToken = "AccessToken";
             src.Connection.SpatialAudio = true;
+            src.Mode = ListenMode.RtsMixed;
 
             ListenOptions dest = new ListenOptions();
             NativeTests.ListenOptionsTest(src, dest);
 
             Assert.NotEqual(src, dest);
             Assert.Equal(src.Connection.ConferenceAccessToken, dest.Connection.ConferenceAccessToken);
             Assert.Equal(src.Connection.SpatialAudio, dest.Connection.SpatialAudio);
+            Assert.Equal(src.Mode, dest.Mode);
         }
 
         [Fact]