Merge pull request #4182 from ryanpetris/fix-hdhomerun

Fix HD Home Run streaming

2 files changed, 52 insertions, 50 deletions

diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunManager.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunManager.cs
index d4a88e299..cdc8c6870 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunManager.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunManager.cs
@@ -111,11 +111,11 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
 
         public async Task<bool> CheckTunerAvailability(IPAddress remoteIp, int tuner, CancellationToken cancellationToken)
         {
-            using (var client = new TcpClient(new IPEndPoint(remoteIp, HdHomeRunPort)))
-            using (var stream = client.GetStream())
-            {
-                return await CheckTunerAvailability(stream, tuner, cancellationToken).ConfigureAwait(false);
-            }
+            using var client = new TcpClient();
+            client.Connect(remoteIp, HdHomeRunPort);
+
+            using var stream = client.GetStream();
+            return await CheckTunerAvailability(stream, tuner, cancellationToken).ConfigureAwait(false);
         }
 
         private static async Task<bool> CheckTunerAvailability(NetworkStream stream, int tuner, CancellationToken cancellationToken)
@@ -142,7 +142,8 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
         {
             _remoteEndPoint = new IPEndPoint(remoteIp, HdHomeRunPort);
 
-            _tcpClient = new TcpClient(_remoteEndPoint);
+            _tcpClient = new TcpClient();
+            _tcpClient.Connect(_remoteEndPoint);
 
             if (!_lockkey.HasValue)
             {
@@ -221,30 +222,30 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                 return;
             }
 
-            using (var tcpClient = new TcpClient(_remoteEndPoint))
-            using (var stream = tcpClient.GetStream())
+            using var tcpClient = new TcpClient();
+            tcpClient.Connect(_remoteEndPoint);
+
+            using var stream = tcpClient.GetStream();
+            var commandList = commands.GetCommands();
+            byte[] buffer = ArrayPool<byte>.Shared.Rent(8192);
+            try
             {
-                var commandList = commands.GetCommands();
-                byte[] buffer = ArrayPool<byte>.Shared.Rent(8192);
-                try
+                foreach (var command in commandList)
                 {
-                    foreach (var command in commandList)
-                    {
-                        var channelMsg = CreateSetMessage(_activeTuner, command.Item1, command.Item2, _lockkey);
-                        await stream.WriteAsync(channelMsg, 0, channelMsg.Length, cancellationToken).ConfigureAwait(false);
-                        int receivedBytes = await stream.ReadAsync(buffer, 0, buffer.Length, cancellationToken).ConfigureAwait(false);
+                    var channelMsg = CreateSetMessage(_activeTuner, command.Item1, command.Item2, _lockkey);
+                    await stream.WriteAsync(channelMsg, 0, channelMsg.Length, cancellationToken).ConfigureAwait(false);
+                    int receivedBytes = await stream.ReadAsync(buffer, 0, buffer.Length, cancellationToken).ConfigureAwait(false);
 
-                        // parse response to make sure it worked
-                        if (!ParseReturnMessage(buffer, receivedBytes, out _))
-                        {
-                            return;
-                        }
+                    // parse response to make sure it worked
+                    if (!ParseReturnMessage(buffer, receivedBytes, out _))
+                    {
+                        return;
                     }
                 }
-                finally
-                {
-                    ArrayPool<byte>.Shared.Return(buffer);
-                }
+            }
+            finally
+            {
+                ArrayPool<byte>.Shared.Return(buffer);
             }
         }
 
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunUdpStream.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunUdpStream.cs
index 858c10030..63d41ec83 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunUdpStream.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunUdpStream.cs
@@ -70,7 +70,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                 try
                 {
                     await tcpClient.ConnectAsync(remoteAddress, HdHomerunManager.HdHomeRunPort).ConfigureAwait(false);
-                    localAddress = ((IPEndPoint)tcpClient.Client.RemoteEndPoint).Address;
+                    localAddress = ((IPEndPoint)tcpClient.Client.LocalEndPoint).Address;
                     tcpClient.Close();
                 }
                 catch (Exception ex)
@@ -80,6 +80,10 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                 }
             }
 
+            if (localAddress.IsIPv4MappedToIPv6) {
+                localAddress = localAddress.MapToIPv4();
+            }
+
             var udpClient = new UdpClient(localPort, AddressFamily.InterNetwork);
             var hdHomerunManager = new HdHomerunManager();
 
@@ -110,12 +114,12 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
 
             var taskCompletionSource = new TaskCompletionSource<bool>();
 
-            await StartStreaming(
+            _ = StartStreaming(
                 udpClient,
                 hdHomerunManager,
                 remoteAddress,
                 taskCompletionSource,
-                LiveStreamCancellationTokenSource.Token).ConfigureAwait(false);
+                LiveStreamCancellationTokenSource.Token);
 
             // OpenedMediaSource.Protocol = MediaProtocol.File;
             // OpenedMediaSource.Path = tempFile;
@@ -136,33 +140,30 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
             return TempFilePath;
         }
 
-        private Task StartStreaming(UdpClient udpClient, HdHomerunManager hdHomerunManager, IPAddress remoteAddress, TaskCompletionSource<bool> openTaskCompletionSource, CancellationToken cancellationToken)
+        private async Task StartStreaming(UdpClient udpClient, HdHomerunManager hdHomerunManager, IPAddress remoteAddress, TaskCompletionSource<bool> openTaskCompletionSource, CancellationToken cancellationToken)
         {
-            return Task.Run(async () =>
+            using (udpClient)
+            using (hdHomerunManager)
             {
-                using (udpClient)
-                using (hdHomerunManager)
+                try
                 {
-                    try
-                    {
-                        await CopyTo(udpClient, TempFilePath, openTaskCompletionSource, cancellationToken).ConfigureAwait(false);
-                    }
-                    catch (OperationCanceledException ex)
-                    {
-                        Logger.LogInformation("HDHR UDP stream cancelled or timed out from {0}", remoteAddress);
-                        openTaskCompletionSource.TrySetException(ex);
-                    }
-                    catch (Exception ex)
-                    {
-                        Logger.LogError(ex, "Error opening live stream:");
-                        openTaskCompletionSource.TrySetException(ex);
-                    }
-
-                    EnableStreamSharing = false;
+                    await CopyTo(udpClient, TempFilePath, openTaskCompletionSource, cancellationToken).ConfigureAwait(false);
+                }
+                catch (OperationCanceledException ex)
+                {
+                    Logger.LogInformation("HDHR UDP stream cancelled or timed out from {0}", remoteAddress);
+                    openTaskCompletionSource.TrySetException(ex);
                 }
+                catch (Exception ex)
+                {
+                    Logger.LogError(ex, "Error opening live stream:");
+                    openTaskCompletionSource.TrySetException(ex);
+                }
+
+                EnableStreamSharing = false;
+            }
 
-                await DeleteTempFiles(new List<string> { TempFilePath }).ConfigureAwait(false);
-            });
+            await DeleteTempFiles(new List<string> { TempFilePath }).ConfigureAwait(false);
         }
 
         private async Task CopyTo(UdpClient udpClient, string file, TaskCompletionSource<bool> openTaskCompletionSource, CancellationToken cancellationToken)