fixes #859 - Support adaptive bitrate streaming

MediaBrowser.Server.Implementations/Channels/ChannelConfigurations.cs

@@ -0,0 +1,29 @@
+using MediaBrowser.Common.Configuration;
+using MediaBrowser.Model.Configuration;
+using System.Collections.Generic;
+
+namespace MediaBrowser.Server.Implementations.Channels
+{
+    public static class ChannelConfigurationExtension
+    {
+        public static ChannelOptions GetChannelsConfiguration(this IConfigurationManager manager)
+        {
+            return manager.GetConfiguration<ChannelOptions>("channels");
+        }
+    }
+
+    public class ChannelConfigurationFactory : IConfigurationFactory
+    {
+        public IEnumerable<ConfigurationStore> GetConfigurations()
+        {
+            return new List<ConfigurationStore>
+            {
+                new ConfigurationStore
+                {
+                    Key = "channels",
+                    ConfigurationType = typeof (ChannelOptions)
+                }
+            };
+        }
+    }
+}