2 files changed, 13 insertions, 3 deletions
diff --git a/Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs b/Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs
index d18004f96..eea562524 100644
--- a/Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs
+++ b/Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs
@@ -2545,14 +2545,24 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
 
         private const int TunerDiscoveryDurationMs = 3000;
 
-        public async Task<List<TunerHostInfo>> DiscoverTuners(CancellationToken cancellationToken)
+        public async Task<List<TunerHostInfo>> DiscoverTuners(bool newDevicesOnly, CancellationToken cancellationToken)
         {
             var list = new List<TunerHostInfo>();
 
+            var configuredDeviceIds = GetConfiguration().TunerHosts
+               .Where(i => !string.IsNullOrWhiteSpace(i.DeviceId))
+               .Select(i => i.DeviceId)
+               .ToList();
+
             foreach (var host in _liveTvManager.TunerHosts)
             {
                 var discoveredDevices = await DiscoverDevices(host, TunerDiscoveryDurationMs, cancellationToken).ConfigureAwait(false);
 
+                if (newDevicesOnly)
+                {
+                    discoveredDevices = discoveredDevices.Where(d => !configuredDeviceIds.Contains(d.DeviceId, StringComparer.OrdinalIgnoreCase))
+                            .ToList();
+                }
                 list.AddRange(discoveredDevices);
             }
 
diff --git a/Emby.Server.Implementations/LiveTv/LiveTvManager.cs b/Emby.Server.Implementations/LiveTv/LiveTvManager.cs
index 92ef24dea..8406d44a7 100644
--- a/Emby.Server.Implementations/LiveTv/LiveTvManager.cs
+++ b/Emby.Server.Implementations/LiveTv/LiveTvManager.cs
@@ -160,9 +160,9 @@ namespace Emby.Server.Implementations.LiveTv
             }).ToList();
         }
 
-        public Task<List<TunerHostInfo>> DiscoverTuners(CancellationToken cancellationToken)
+        public Task<List<TunerHostInfo>> DiscoverTuners(bool newDevicesOnly, CancellationToken cancellationToken)
         {
-            return EmbyTV.EmbyTV.Current.DiscoverTuners(cancellationToken);
+            return EmbyTV.EmbyTV.Current.DiscoverTuners(newDevicesOnly, cancellationToken);
         }
 
         void service_DataSourceChanged(object sender, EventArgs e)