Merge branch 'master' into TVFix

10 files changed, 213 insertions, 292 deletions

diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/BaseTunerHost.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/BaseTunerHost.cs
index 9bff0861bb..2b82f24623 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/BaseTunerHost.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/BaseTunerHost.cs
@@ -23,10 +23,6 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
 {
     public abstract class BaseTunerHost
     {
-        protected readonly IServerConfigurationManager Config;
-        protected readonly ILogger<BaseTunerHost> Logger;
-        protected readonly IFileSystem FileSystem;
-
         private readonly IMemoryCache _memoryCache;
 
         protected BaseTunerHost(IServerConfigurationManager config, ILogger<BaseTunerHost> logger, IFileSystem fileSystem, IMemoryCache memoryCache)
@@ -37,12 +33,20 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
             FileSystem = fileSystem;
         }
 
-        public virtual bool IsSupported => true;
+        protected IServerConfigurationManager Config { get; }
 
-        protected abstract Task<List<ChannelInfo>> GetChannelsInternal(TunerHostInfo tuner, CancellationToken cancellationToken);
+        protected ILogger<BaseTunerHost> Logger { get; }
+
+        protected IFileSystem FileSystem { get; }
+
+        public virtual bool IsSupported => true;
 
         public abstract string Type { get; }
 
+        protected virtual string ChannelIdPrefix => Type + "_";
+
+        protected abstract Task<List<ChannelInfo>> GetChannelsInternal(TunerHostInfo tuner, CancellationToken cancellationToken);
+
         public async Task<List<ChannelInfo>> GetChannels(TunerHostInfo tuner, bool enableCache, CancellationToken cancellationToken)
         {
             var key = tuner.Id;
@@ -92,7 +96,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
                         try
                         {
                             Directory.CreateDirectory(Path.GetDirectoryName(channelCacheFile));
-                            await using var writeStream = File.OpenWrite(channelCacheFile);
+                            await using var writeStream = AsyncFile.OpenWrite(channelCacheFile);
                             await JsonSerializer.SerializeAsync(writeStream, channels, cancellationToken: cancellationToken).ConfigureAwait(false);
                         }
                         catch (IOException)
@@ -108,7 +112,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
                     {
                         try
                         {
-                            await using var readStream = File.OpenRead(channelCacheFile);
+                            await using var readStream = AsyncFile.OpenRead(channelCacheFile);
                             var channels = await JsonSerializer.DeserializeAsync<List<ChannelInfo>>(readStream, cancellationToken: cancellationToken)
                                 .ConfigureAwait(false);
                             list.AddRange(channels);
@@ -217,8 +221,6 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
             throw new LiveTvConflictException();
         }
 
-        protected virtual string ChannelIdPrefix => Type + "_";
-
         protected virtual bool IsValidChannelId(string channelId)
         {
             if (string.IsNullOrEmpty(channelId))
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunChannelCommands.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunChannelCommands.cs
new file mode 100644
index 0000000000..069b4fab6b
--- /dev/null
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunChannelCommands.cs
@@ -0,0 +1,35 @@
+#pragma warning disable CS1591
+
+using System;
+using System.Collections.Generic;
+
+namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
+{
+    public class HdHomerunChannelCommands : IHdHomerunChannelCommands
+    {
+        private string? _channel;
+        private string? _profile;
+
+        public HdHomerunChannelCommands(string? channel, string? profile)
+        {
+            _channel = channel;
+            _profile = profile;
+        }
+
+        public IEnumerable<(string, string)> GetCommands()
+        {
+            if (!string.IsNullOrEmpty(_channel))
+            {
+                if (!string.IsNullOrEmpty(_profile)
+                    && !string.Equals(_profile, "native", StringComparison.OrdinalIgnoreCase))
+                {
+                    yield return ("vchannel", $"{_channel} transcode={_profile}");
+                }
+                else
+                {
+                    yield return ("vchannel", _channel);
+                }
+            }
+        }
+    }
+}
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs
index 2bd12a9c8f..78ea7bd0f5 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs
@@ -36,7 +36,6 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
         private readonly IHttpClientFactory _httpClientFactory;
         private readonly IServerApplicationHost _appHost;
         private readonly ISocketFactory _socketFactory;
-        private readonly INetworkManager _networkManager;
         private readonly IStreamHelper _streamHelper;
 
         private readonly JsonSerializerOptions _jsonOptions;
@@ -50,7 +49,6 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
             IHttpClientFactory httpClientFactory,
             IServerApplicationHost appHost,
             ISocketFactory socketFactory,
-            INetworkManager networkManager,
             IStreamHelper streamHelper,
             IMemoryCache memoryCache)
             : base(config, logger, fileSystem, memoryCache)
@@ -58,7 +56,6 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
             _httpClientFactory = httpClientFactory;
             _appHost = appHost;
             _socketFactory = socketFactory;
-            _networkManager = networkManager;
             _streamHelper = streamHelper;
 
             _jsonOptions = JsonDefaults.Options;
@@ -70,7 +67,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
 
         protected override string ChannelIdPrefix => "hdhr_";
 
-        private string GetChannelId(TunerHostInfo info, Channels i)
+        private string GetChannelId(Channels i)
             => ChannelIdPrefix + i.GuideNumber;
 
         internal async Task<List<Channels>> GetLineup(TunerHostInfo info, CancellationToken cancellationToken)
@@ -90,11 +87,6 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
             return lineup.Where(i => !i.DRM).ToList();
         }
 
-        private class HdHomerunChannelInfo : ChannelInfo
-        {
-            public bool IsLegacyTuner { get; set; }
-        }
-
         protected override async Task<List<ChannelInfo>> GetChannelsInternal(TunerHostInfo tuner, CancellationToken cancellationToken)
         {
             var lineup = await GetLineup(tuner, cancellationToken).ConfigureAwait(false);
@@ -103,7 +95,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
             {
                 Name = i.GuideName,
                 Number = i.GuideNumber,
-                Id = GetChannelId(tuner, i),
+                Id = GetChannelId(i),
                 IsFavorite = i.Favorite,
                 TunerHostId = tuner.Id,
                 IsHD = i.HD,
@@ -255,7 +247,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
         {
             var model = await GetModelInfo(info, false, cancellationToken).ConfigureAwait(false);
 
-            var tuners = new List<LiveTvTunerInfo>();
+            var tuners = new List<LiveTvTunerInfo>(model.TunerCount);
 
             var uri = new Uri(GetApiUrl(info));
 
@@ -264,10 +256,10 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                 // Legacy HdHomeruns are IPv4 only
                 var ipInfo = IPAddress.Parse(uri.Host);
 
-                for (int i = 0; i < model.TunerCount; ++i)
+                for (int i = 0; i < model.TunerCount; i++)
                 {
                     var name = string.Format(CultureInfo.InvariantCulture, "Tuner {0}", i + 1);
-                    var currentChannel = "none"; // @todo Get current channel and map back to Station Id
+                    var currentChannel = "none"; // TODO: Get current channel and map back to Station Id
                     var isAvailable = await manager.CheckTunerAvailability(ipInfo, i, cancellationToken).ConfigureAwait(false);
                     var status = isAvailable ? LiveTvTunerStatus.Available : LiveTvTunerStatus.LiveTv;
                     tuners.Add(new LiveTvTunerInfo
@@ -455,28 +447,28 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                 Path = url,
                 Protocol = MediaProtocol.Udp,
                 MediaStreams = new List<MediaStream>
-                        {
-                            new MediaStream
-                            {
-                                Type = MediaStreamType.Video,
-                                // Set the index to -1 because we don't know the exact index of the video stream within the container
-                                Index = -1,
-                                IsInterlaced = isInterlaced,
-                                Codec = videoCodec,
-                                Width = width,
-                                Height = height,
-                                BitRate = videoBitrate,
-                                NalLengthSize = nal
-                            },
-                            new MediaStream
-                            {
-                                Type = MediaStreamType.Audio,
-                                // Set the index to -1 because we don't know the exact index of the audio stream within the container
-                                Index = -1,
-                                Codec = audioCodec,
-                                BitRate = audioBitrate
-                            }
-                        },
+                {
+                    new MediaStream
+                    {
+                        Type = MediaStreamType.Video,
+                        // Set the index to -1 because we don't know the exact index of the video stream within the container
+                        Index = -1,
+                        IsInterlaced = isInterlaced,
+                        Codec = videoCodec,
+                        Width = width,
+                        Height = height,
+                        BitRate = videoBitrate,
+                        NalLengthSize = nal
+                    },
+                    new MediaStream
+                    {
+                        Type = MediaStreamType.Audio,
+                        // Set the index to -1 because we don't know the exact index of the audio stream within the container
+                        Index = -1,
+                        Codec = audioCodec,
+                        BitRate = audioBitrate
+                    }
+                },
                 RequiresOpening = true,
                 RequiresClosing = true,
                 BufferMs = 0,
@@ -551,7 +543,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                 }
             }
 
-            var profile = streamId.Split('_')[0];
+            var profile = streamId.AsSpan().LeftPart('_').ToString();
 
             Logger.LogInformation("GetChannelStream: channel id: {0}. stream id: {1} profile: {2}", channel.Id, streamId, profile);
 
@@ -718,5 +710,10 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
 
             return hostInfo;
         }
+
+        private class HdHomerunChannelInfo : ChannelInfo
+        {
+            public bool IsLegacyTuner { get; set; }
+        }
     }
 }
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunManager.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunManager.cs
index b2e555c7dc..f9d151a81a 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunManager.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunManager.cs
@@ -5,12 +5,10 @@
 using System;
 using System.Buffers;
 using System.Buffers.Binary;
-using System.Collections.Generic;
 using System.Globalization;
 using System.Net;
 using System.Net.Sockets;
 using System.Text;
-using System.Text.RegularExpressions;
 using System.Threading;
 using System.Threading.Tasks;
 using MediaBrowser.Common;
@@ -18,70 +16,6 @@ using MediaBrowser.Controller.LiveTv;
 
 namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
 {
-    public interface IHdHomerunChannelCommands
-    {
-        IEnumerable<(string, string)> GetCommands();
-    }
-
-    public class LegacyHdHomerunChannelCommands : IHdHomerunChannelCommands
-    {
-        private string _channel;
-        private string _program;
-
-        public LegacyHdHomerunChannelCommands(string url)
-        {
-            // parse url for channel and program
-            var regExp = new Regex(@"\/ch([0-9]+)-?([0-9]*)");
-            var match = regExp.Match(url);
-            if (match.Success)
-            {
-                _channel = match.Groups[1].Value;
-                _program = match.Groups[2].Value;
-            }
-        }
-
-        public IEnumerable<(string, string)> GetCommands()
-        {
-            if (!string.IsNullOrEmpty(_channel))
-            {
-                yield return ("channel", _channel);
-            }
-
-            if (!string.IsNullOrEmpty(_program))
-            {
-                yield return ("program", _program);
-            }
-        }
-    }
-
-    public class HdHomerunChannelCommands : IHdHomerunChannelCommands
-    {
-        private string _channel;
-        private string _profile;
-
-        public HdHomerunChannelCommands(string channel, string profile)
-        {
-            _channel = channel;
-            _profile = profile;
-        }
-
-        public IEnumerable<(string, string)> GetCommands()
-        {
-            if (!string.IsNullOrEmpty(_channel))
-            {
-                if (!string.IsNullOrEmpty(_profile)
-                    && !string.Equals(_profile, "native", StringComparison.OrdinalIgnoreCase))
-                {
-                    yield return ("vchannel", $"{_channel} transcode={_profile}");
-                }
-                else
-                {
-                    yield return ("vchannel", _channel);
-                }
-            }
-        }
-    }
-
     public sealed class HdHomerunManager : IDisposable
     {
         public const int HdHomeRunPort = 65001;
@@ -150,8 +84,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
 
             if (!_lockkey.HasValue)
             {
-                var rand = new Random();
-                _lockkey = (uint)rand.Next();
+                _lockkey = (uint)Random.Shared.Next();
             }
 
             var lockKeyValue = _lockkey.Value;
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunUdpStream.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunUdpStream.cs
index 9901f41f93..96c1bc3f3c 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunUdpStream.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunUdpStream.cs
@@ -101,7 +101,8 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                 }
             }
 
-            if (localAddress.IsIPv4MappedToIPv6) {
+            if (localAddress.IsIPv4MappedToIPv6)
+            {
                 localAddress = localAddress.MapToIPv4();
             }
 
@@ -156,11 +157,6 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
             await taskCompletionSource.Task.ConfigureAwait(false);
         }
 
-        public string GetFilePath()
-        {
-            return TempFilePath;
-        }
-
         private async Task StartStreaming(UdpClient udpClient, HdHomerunManager hdHomerunManager, IPAddress remoteAddress, TaskCompletionSource<bool> openTaskCompletionSource, CancellationToken cancellationToken)
         {
             using (udpClient)
@@ -184,7 +180,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                 EnableStreamSharing = false;
             }
 
-            await DeleteTempFiles(new List<string> { TempFilePath }).ConfigureAwait(false);
+            await DeleteTempFiles(TempFilePath).ConfigureAwait(false);
         }
 
         private async Task CopyTo(UdpClient udpClient, string file, TaskCompletionSource<bool> openTaskCompletionSource, CancellationToken cancellationToken)
@@ -201,7 +197,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                         cancellationToken,
                         timeOutSource.Token))
                     {
-                        var resTask = udpClient.ReceiveAsync();
+                        var resTask = udpClient.ReceiveAsync(linkedSource.Token).AsTask();
                         if (await Task.WhenAny(resTask, Task.Delay(30000, linkedSource.Token)).ConfigureAwait(false) != resTask)
                         {
                             resTask.Dispose();
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/IHdHomerunChannelCommands.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/IHdHomerunChannelCommands.cs
new file mode 100644
index 0000000000..1533549320
--- /dev/null
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/IHdHomerunChannelCommands.cs
@@ -0,0 +1,11 @@
+#pragma warning disable CS1591
+
+using System.Collections.Generic;
+
+namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
+{
+    public interface IHdHomerunChannelCommands
+    {
+        IEnumerable<(string, string)> GetCommands();
+    }
+}
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/LegacyHdHomerunChannelCommands.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/LegacyHdHomerunChannelCommands.cs
new file mode 100644
index 0000000000..26627b8aa6
--- /dev/null
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/LegacyHdHomerunChannelCommands.cs
@@ -0,0 +1,38 @@
+#pragma warning disable CS1591
+
+using System.Collections.Generic;
+using System.Text.RegularExpressions;
+
+namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
+{
+    public class LegacyHdHomerunChannelCommands : IHdHomerunChannelCommands
+    {
+        private string? _channel;
+        private string? _program;
+
+        public LegacyHdHomerunChannelCommands(string url)
+        {
+            // parse url for channel and program
+            var regExp = new Regex(@"\/ch([0-9]+)-?([0-9]*)");
+            var match = regExp.Match(url);
+            if (match.Success)
+            {
+                _channel = match.Groups[1].Value;
+                _program = match.Groups[2].Value;
+            }
+        }
+
+        public IEnumerable<(string, string)> GetCommands()
+        {
+            if (!string.IsNullOrEmpty(_channel))
+            {
+                yield return ("channel", _channel);
+            }
+
+            if (!string.IsNullOrEmpty(_program))
+            {
+                yield return ("program", _program);
+            }
+        }
+    }
+}
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/LiveStream.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/LiveStream.cs
index 96a678c1d3..5581ba87c5 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/LiveStream.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/LiveStream.cs
@@ -3,10 +3,8 @@
 #pragma warning disable CS1591
 
 using System;
-using System.Collections.Generic;
 using System.Globalization;
 using System.IO;
-using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
 using MediaBrowser.Common.Configuration;
@@ -22,14 +20,6 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
     {
         private readonly IConfigurationManager _configurationManager;
 
-        protected readonly IFileSystem FileSystem;
-
-        protected readonly IStreamHelper StreamHelper;
-
-        protected string TempFilePath;
-        protected readonly ILogger Logger;
-        protected readonly CancellationTokenSource LiveStreamCancellationTokenSource = new CancellationTokenSource();
-
         public LiveStream(
             MediaSourceInfo mediaSource,
             TunerHostInfo tuner,
@@ -57,7 +47,15 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
             SetTempFilePath("ts");
         }
 
-        protected virtual int EmptyReadLimit => 1000;
+        protected IFileSystem FileSystem { get; }
+
+        protected IStreamHelper StreamHelper { get; }
+
+        protected ILogger Logger { get; }
+
+        protected CancellationTokenSource LiveStreamCancellationTokenSource { get; } = new CancellationTokenSource();
+
+        protected string TempFilePath { get; set; }
 
         public MediaSourceInfo OriginalMediaSource { get; set; }
 
@@ -97,123 +95,50 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
             return Task.CompletedTask;
         }
 
-        protected FileStream GetInputStream(string path, bool allowAsyncFileRead)
+        public Stream GetStream()
+        {
+            var stream = GetInputStream(TempFilePath);
+            bool seekFile = (DateTime.UtcNow - DateOpened).TotalSeconds > 10;
+            if (seekFile)
+            {
+                TrySeek(stream, -20000);
+            }
+
+            return stream;
+        }
+
+        protected FileStream GetInputStream(string path)
             => new FileStream(
                 path,
                 FileMode.Open,
                 FileAccess.Read,
                 FileShare.ReadWrite,
                 IODefaults.FileStreamBufferSize,
-                allowAsyncFileRead ? FileOptions.SequentialScan | FileOptions.Asynchronous : FileOptions.SequentialScan);
-
-        public Task DeleteTempFiles()
-        {
-            return DeleteTempFiles(GetStreamFilePaths());
-        }
+                FileOptions.SequentialScan | FileOptions.Asynchronous);
 
-        protected async Task DeleteTempFiles(IEnumerable<string> paths, int retryCount = 0)
+        protected async Task DeleteTempFiles(string path, int retryCount = 0)
         {
             if (retryCount == 0)
             {
-                Logger.LogInformation("Deleting temp files {0}", paths);
+                Logger.LogInformation("Deleting temp file {FilePath}", path);
             }
 
-            var failedFiles = new List<string>();
-
-            foreach (var path in paths)
-            {
-                if (!File.Exists(path))
-                {
-                    continue;
-                }
-
-                try
-                {
-                    FileSystem.DeleteFile(path);
-                }
-                catch (Exception ex)
-                {
-                    Logger.LogError(ex, "Error deleting file {path}", path);
-                    failedFiles.Add(path);
-                }
-            }
-
-            if (failedFiles.Count > 0 && retryCount <= 40)
-            {
-                await Task.Delay(500).ConfigureAwait(false);
-                await DeleteTempFiles(failedFiles, retryCount + 1).ConfigureAwait(false);
-            }
-        }
-
-        protected virtual List<string> GetStreamFilePaths()
-        {
-            return new List<string> { TempFilePath };
-        }
-
-        public async Task CopyToAsync(Stream stream, CancellationToken cancellationToken)
-        {
-            using var linkedCancellationTokenSource = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, LiveStreamCancellationTokenSource.Token);
-            cancellationToken = linkedCancellationTokenSource.Token;
-
-            // use non-async filestream on windows along with read due to https://github.com/dotnet/corefx/issues/6039
-            var allowAsync = Environment.OSVersion.Platform != PlatformID.Win32NT;
-
-            bool seekFile = (DateTime.UtcNow - DateOpened).TotalSeconds > 10;
-
-            var nextFileInfo = GetNextFile(null);
-            var nextFile = nextFileInfo.file;
-            var isLastFile = nextFileInfo.isLastFile;
-
-            while (!string.IsNullOrEmpty(nextFile))
-            {
-                var emptyReadLimit = isLastFile ? EmptyReadLimit : 1;
-
-                await CopyFile(nextFile, seekFile, emptyReadLimit, allowAsync, stream, cancellationToken).ConfigureAwait(false);
-
-                seekFile = false;
-                nextFileInfo = GetNextFile(nextFile);
-                nextFile = nextFileInfo.file;
-                isLastFile = nextFileInfo.isLastFile;
-            }
-
-            Logger.LogInformation("Live Stream ended.");
-        }
-
-        private (string file, bool isLastFile) GetNextFile(string currentFile)
-        {
-            var files = GetStreamFilePaths();
-
-            if (string.IsNullOrEmpty(currentFile))
+            try
             {
-                return (files[^1], true);
+                FileSystem.DeleteFile(path);
             }
-
-            var nextIndex = files.FindIndex(i => string.Equals(i, currentFile, StringComparison.OrdinalIgnoreCase)) + 1;
-
-            var isLastFile = nextIndex == files.Count - 1;
-
-            return (files.ElementAtOrDefault(nextIndex), isLastFile);
-        }
-
-        private async Task CopyFile(string path, bool seekFile, int emptyReadLimit, bool allowAsync, Stream stream, CancellationToken cancellationToken)
-        {
-            using (var inputStream = GetInputStream(path, allowAsync))
+            catch (Exception ex)
             {
-                if (seekFile)
+                Logger.LogError(ex, "Error deleting file {FilePath}", path);
+                if (retryCount <= 40)
                 {
-                    TrySeek(inputStream, -20000);
+                    await Task.Delay(500).ConfigureAwait(false);
+                    await DeleteTempFiles(path, retryCount + 1).ConfigureAwait(false);
                 }
-
-                await StreamHelper.CopyToAsync(
-                    inputStream,
-                    stream,
-                    IODefaults.CopyToBufferSize,
-                    emptyReadLimit,
-                    cancellationToken).ConfigureAwait(false);
             }
         }
 
-        private void TrySeek(FileStream stream, long offset)
+        private void TrySeek(Stream stream, long offset)
         {
             if (!stream.CanSeek)
             {
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/M3uParser.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/M3uParser.cs
index d28c39e213..506ef5548a 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/M3uParser.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/M3uParser.cs
@@ -14,6 +14,7 @@ using Jellyfin.Extensions;
 using MediaBrowser.Common.Extensions;
 using MediaBrowser.Common.Net;
 using MediaBrowser.Controller.LiveTv;
+using MediaBrowser.Model.IO;
 using MediaBrowser.Model.LiveTv;
 using Microsoft.Extensions.Logging;
 
@@ -50,7 +51,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
 
             if (!info.Url.StartsWith("http", StringComparison.OrdinalIgnoreCase))
             {
-                return File.OpenRead(info.Url);
+                return AsyncFile.OpenRead(info.Url);
             }
 
             using var requestMessage = new HttpRequestMessage(HttpMethod.Get, info.Url);
@@ -237,7 +238,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
                 {
                     try
                     {
-                        numberString = Path.GetFileNameWithoutExtension(mediaUrl.Split('/')[^1]);
+                        numberString = Path.GetFileNameWithoutExtension(mediaUrl.AsSpan().RightPart('/')).ToString();
 
                         if (!IsValidChannelNumber(numberString))
                         {
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/SharedHttpStream.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/SharedHttpStream.cs
index 67879cbae9..b1ce7b2b3c 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/SharedHttpStream.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/SharedHttpStream.cs
@@ -3,7 +3,6 @@
 #pragma warning disable CS1591
 
 using System;
-using System.Collections.Generic;
 using System.Globalization;
 using System.IO;
 using System.Net.Http;
@@ -55,39 +54,26 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
             Directory.CreateDirectory(Path.GetDirectoryName(TempFilePath));
 
             var typeName = GetType().Name;
-            Logger.LogInformation("Opening " + typeName + " Live stream from {0}", url);
+            Logger.LogInformation("Opening {StreamType} Live stream from {Url}", typeName, url);
 
             // Response stream is disposed manually.
             var response = await _httpClientFactory.CreateClient(NamedClient.Default)
                 .GetAsync(url, HttpCompletionOption.ResponseHeadersRead, CancellationToken.None)
                 .ConfigureAwait(false);
 
-            var extension = "ts";
-            var requiresRemux = false;
-
             var contentType = response.Content.Headers.ContentType?.ToString() ?? string.Empty;
-            if (contentType.IndexOf("matroska", StringComparison.OrdinalIgnoreCase) != -1)
-            {
-                requiresRemux = true;
-            }
-            else if (contentType.IndexOf("mp4", StringComparison.OrdinalIgnoreCase) != -1 ||
-               contentType.IndexOf("dash", StringComparison.OrdinalIgnoreCase) != -1 ||
-               contentType.IndexOf("mpegURL", StringComparison.OrdinalIgnoreCase) != -1 ||
-               contentType.IndexOf("text/", StringComparison.OrdinalIgnoreCase) != -1)
-            {
-                requiresRemux = true;
-            }
-
-            // Close the stream without any sharing features
-            if (requiresRemux)
+            if (contentType.Contains("matroska", StringComparison.OrdinalIgnoreCase)
+                || contentType.Contains("mp4", StringComparison.OrdinalIgnoreCase)
+                || contentType.Contains("dash", StringComparison.OrdinalIgnoreCase)
+                || contentType.Contains("mpegURL", StringComparison.OrdinalIgnoreCase)
+                || contentType.Contains("text/", StringComparison.OrdinalIgnoreCase))
             {
-                using (response)
-                {
-                    return;
-                }
+                // Close the stream without any sharing features
+                response.Dispose();
+                return;
             }
 
-            SetTempFilePath(extension);
+            SetTempFilePath("ts");
 
             var taskCompletionSource = new TaskCompletionSource<bool>();
 
@@ -117,49 +103,46 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
 
             if (!taskCompletionSource.Task.Result)
             {
-                Logger.LogWarning("Zero bytes copied from stream {0} to {1} but no exception raised", GetType().Name, TempFilePath);
+                Logger.LogWarning("Zero bytes copied from stream {StreamType} to {FilePath} but no exception raised", GetType().Name, TempFilePath);
                 throw new EndOfStreamException(string.Format(CultureInfo.InvariantCulture, "Zero bytes copied from stream {0}", GetType().Name));
             }
         }
 
-        public string GetFilePath()
-        {
-            return TempFilePath;
-        }
-
         private Task StartStreaming(HttpResponseMessage response, TaskCompletionSource<bool> openTaskCompletionSource, CancellationToken cancellationToken)
         {
-            return Task.Run(async () =>
-            {
-                try
-                {
-                    Logger.LogInformation("Beginning {0} stream to {1}", GetType().Name, TempFilePath);
-                    using var message = response;
-                    await using var stream = await response.Content.ReadAsStreamAsync(cancellationToken).ConfigureAwait(false);
-                    await using var fileStream = new FileStream(TempFilePath, FileMode.Create, FileAccess.Write, FileShare.Read);
-                    await StreamHelper.CopyToAsync(
-                        stream,
-                        fileStream,
-                        IODefaults.CopyToBufferSize,
-                        () => Resolve(openTaskCompletionSource),
-                        cancellationToken).ConfigureAwait(false);
-                }
-                catch (OperationCanceledException ex)
+            return Task.Run(
+                async () =>
                 {
-                    Logger.LogInformation("Copying of {0} to {1} was canceled", GetType().Name, TempFilePath);
-                    openTaskCompletionSource.TrySetException(ex);
-                }
-                catch (Exception ex)
-                {
-                    Logger.LogError(ex, "Error copying live stream {0} to {1}.", GetType().Name, TempFilePath);
-                    openTaskCompletionSource.TrySetException(ex);
-                }
-
-                openTaskCompletionSource.TrySetResult(false);
-
-                EnableStreamSharing = false;
-                await DeleteTempFiles(new List<string> { TempFilePath }).ConfigureAwait(false);
-            }, CancellationToken.None);
+                    try
+                    {
+                        Logger.LogInformation("Beginning {StreamType} stream to {FilePath}", GetType().Name, TempFilePath);
+                        using var message = response;
+                        await using var stream = await response.Content.ReadAsStreamAsync(cancellationToken).ConfigureAwait(false);
+                        await using var fileStream = new FileStream(TempFilePath, FileMode.Create, FileAccess.Write, FileShare.Read, IODefaults.FileStreamBufferSize, FileOptions.Asynchronous);
+                        await StreamHelper.CopyToAsync(
+                            stream,
+                            fileStream,
+                            IODefaults.CopyToBufferSize,
+                            () => Resolve(openTaskCompletionSource),
+                            cancellationToken).ConfigureAwait(false);
+                    }
+                    catch (OperationCanceledException ex)
+                    {
+                        Logger.LogInformation("Copying of {StreamType} to {FilePath} was canceled", GetType().Name, TempFilePath);
+                        openTaskCompletionSource.TrySetException(ex);
+                    }
+                    catch (Exception ex)
+                    {
+                        Logger.LogError(ex, "Error copying live stream {StreamType} to {FilePath}", GetType().Name, TempFilePath);
+                        openTaskCompletionSource.TrySetException(ex);
+                    }
+
+                    openTaskCompletionSource.TrySetResult(false);
+
+                    EnableStreamSharing = false;
+                    await DeleteTempFiles(TempFilePath).ConfigureAwait(false);
+                },
+                CancellationToken.None);
         }
 
         private void Resolve(TaskCompletionSource<bool> openTaskCompletionSource)