Merge branch 'master' into comparisons

9 files changed, 20 insertions, 47 deletions

diff --git a/Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs b/Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs
index 91a21db60..28a2095e1 100644
--- a/Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs
+++ b/Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs
@@ -17,7 +17,6 @@ using Jellyfin.Data.Enums;
 using Jellyfin.Data.Events;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Common.Extensions;
-using MediaBrowser.Common.Net;
 using MediaBrowser.Common.Progress;
 using MediaBrowser.Controller;
 using MediaBrowser.Controller.Configuration;
@@ -802,22 +801,22 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
 
         public ActiveRecordingInfo GetActiveRecordingInfo(string path)
         {
-            if (string.IsNullOrWhiteSpace(path))
+            if (string.IsNullOrWhiteSpace(path) || _activeRecordings.IsEmpty)
             {
                 return null;
             }
 
-            foreach (var recording in _activeRecordings.Values)
+            foreach (var (_, recordingInfo) in _activeRecordings)
             {
-                if (string.Equals(recording.Path, path, StringComparison.Ordinal) && !recording.CancellationTokenSource.IsCancellationRequested)
+                if (string.Equals(recordingInfo.Path, path, StringComparison.Ordinal) && !recordingInfo.CancellationTokenSource.IsCancellationRequested)
                 {
-                    var timer = recording.Timer;
+                    var timer = recordingInfo.Timer;
                     if (timer.Status != RecordingStatus.InProgress)
                     {
                         return null;
                     }
 
-                    return recording;
+                    return recordingInfo;
                 }
             }
 
@@ -1622,9 +1621,7 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
             }
 
             return _activeRecordings
-                .Values
-                .ToList()
-                .Any(i => string.Equals(i.Path, path, StringComparison.OrdinalIgnoreCase) && !string.Equals(i.Timer.Id, timerId, StringComparison.OrdinalIgnoreCase));
+                .Any(i => string.Equals(i.Value.Path, path, StringComparison.OrdinalIgnoreCase) && !string.Equals(i.Value.Timer.Id, timerId, StringComparison.OrdinalIgnoreCase));
         }
 
         private IRecorder GetRecorder(MediaSourceInfo mediaSource)
@@ -2240,14 +2237,10 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
             var enabledTimersForSeries = new List<TimerInfo>();
             foreach (var timer in allTimers)
             {
-                var existingTimer = _timerProvider.GetTimer(timer.Id);
-
-                if (existingTimer == null)
-                {
-                    existingTimer = string.IsNullOrWhiteSpace(timer.ProgramId)
+                var existingTimer = _timerProvider.GetTimer(timer.Id) 
+                    ?? (string.IsNullOrWhiteSpace(timer.ProgramId)
                         ? null
-                        : _timerProvider.GetTimerByProgramId(timer.ProgramId);
-                }
+                        : _timerProvider.GetTimerByProgramId(timer.ProgramId));
 
                 if (existingTimer == null)
                 {
diff --git a/Emby.Server.Implementations/LiveTv/EmbyTV/ItemDataProvider.cs b/Emby.Server.Implementations/LiveTv/EmbyTV/ItemDataProvider.cs
index c20b08088..1cac9cb96 100644
--- a/Emby.Server.Implementations/LiveTv/EmbyTV/ItemDataProvider.cs
+++ b/Emby.Server.Implementations/LiveTv/EmbyTV/ItemDataProvider.cs
@@ -4,9 +4,7 @@ using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
-using System.Text;
 using System.Text.Json;
-using System.Threading.Tasks;
 using MediaBrowser.Common.Json;
 using Microsoft.Extensions.Logging;
 
diff --git a/Emby.Server.Implementations/LiveTv/EmbyTV/SeriesTimerManager.cs b/Emby.Server.Implementations/LiveTv/EmbyTV/SeriesTimerManager.cs
index da707fec6..b1259de23 100644
--- a/Emby.Server.Implementations/LiveTv/EmbyTV/SeriesTimerManager.cs
+++ b/Emby.Server.Implementations/LiveTv/EmbyTV/SeriesTimerManager.cs
@@ -2,7 +2,6 @@
 
 using System;
 using MediaBrowser.Controller.LiveTv;
-using MediaBrowser.Model.Serialization;
 using Microsoft.Extensions.Logging;
 
 namespace Emby.Server.Implementations.LiveTv.EmbyTV
diff --git a/Emby.Server.Implementations/LiveTv/Listings/SchedulesDirect.cs b/Emby.Server.Implementations/LiveTv/Listings/SchedulesDirect.cs
index 1926e738f..9af65cabb 100644
--- a/Emby.Server.Implementations/LiveTv/Listings/SchedulesDirect.cs
+++ b/Emby.Server.Implementations/LiveTv/Listings/SchedulesDirect.cs
@@ -787,14 +787,11 @@ namespace Emby.Server.Implementations.LiveTv.Listings
             {
                 var channelNumber = GetChannelNumber(channel);
 
-                var station = allStations.Find(item => string.Equals(item.stationID, channel.stationID, StringComparison.OrdinalIgnoreCase));
-                if (station == null)
-                {
-                    station = new ScheduleDirect.Station
+                var station = allStations.Find(item => string.Equals(item.stationID, channel.stationID, StringComparison.OrdinalIgnoreCase)) 
+                    ?? new ScheduleDirect.Station
                     {
                         stationID = channel.stationID
                     };
-                }
 
                 var channelInfo = new ChannelInfo
                 {
diff --git a/Emby.Server.Implementations/LiveTv/Listings/XmlTvListingsProvider.cs b/Emby.Server.Implementations/LiveTv/Listings/XmlTvListingsProvider.cs
index 76c875737..6824aa442 100644
--- a/Emby.Server.Implementations/LiveTv/Listings/XmlTvListingsProvider.cs
+++ b/Emby.Server.Implementations/LiveTv/Listings/XmlTvListingsProvider.cs
@@ -4,7 +4,6 @@ using System;
 using System.Collections.Generic;
 using System.Globalization;
 using System.IO;
-using System.IO.Compression;
 using System.Linq;
 using System.Net.Http;
 using System.Threading;
diff --git a/Emby.Server.Implementations/LiveTv/LiveTvManager.cs b/Emby.Server.Implementations/LiveTv/LiveTvManager.cs
index 63a3146aa..1145d8aa1 100644
--- a/Emby.Server.Implementations/LiveTv/LiveTvManager.cs
+++ b/Emby.Server.Implementations/LiveTv/LiveTvManager.cs
@@ -987,10 +987,7 @@ namespace Emby.Server.Implementations.LiveTv
                 var externalProgramId = programTuple.Item2;
                 string externalSeriesId = programTuple.Item3;
 
-                if (timerList == null)
-                {
-                    timerList = (await GetTimersInternal(new TimerQuery(), cancellationToken).ConfigureAwait(false)).Items;
-                }
+                timerList ??= (await GetTimersInternal(new TimerQuery(), cancellationToken).ConfigureAwait(false)).Items;
 
                 var timer = timerList.FirstOrDefault(i => string.Equals(i.ProgramId, externalProgramId, StringComparison.OrdinalIgnoreCase));
                 var foundSeriesTimer = false;
@@ -1018,10 +1015,7 @@ namespace Emby.Server.Implementations.LiveTv
                     continue;
                 }
 
-                if (seriesTimerList == null)
-                {
-                    seriesTimerList = (await GetSeriesTimersInternal(new SeriesTimerQuery(), cancellationToken).ConfigureAwait(false)).Items;
-                }
+                seriesTimerList ??= (await GetSeriesTimersInternal(new SeriesTimerQuery(), cancellationToken).ConfigureAwait(false)).Items;
 
                 var seriesTimer = seriesTimerList.FirstOrDefault(i => string.Equals(i.SeriesId, externalSeriesId, StringComparison.OrdinalIgnoreCase));
 
@@ -1974,10 +1968,7 @@ namespace Emby.Server.Implementations.LiveTv
                 };
             }
 
-            if (service == null)
-            {
-                service = _services[0];
-            }
+            service ??= _services[0];
 
             var info = await service.GetNewTimerDefaultsAsync(cancellationToken, programInfo).ConfigureAwait(false);
 
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs
index 68173a0ef..4aa5832b1 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs
@@ -8,10 +8,8 @@ using System.Linq;
 using System.Net;
 using System.Net.Http;
 using System.Text.Json;
-using System.Text.Json.Serialization;
 using System.Threading;
 using System.Threading.Tasks;
-using MediaBrowser.Common.Configuration;
 using MediaBrowser.Common.Extensions;
 using MediaBrowser.Common.Json;
 using MediaBrowser.Common.Net;
@@ -19,7 +17,6 @@ using MediaBrowser.Controller;
 using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.LiveTv;
-using MediaBrowser.Model.Configuration;
 using MediaBrowser.Model.Dto;
 using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.IO;
@@ -424,10 +421,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
 
             string audioCodec = channelInfo.AudioCodec;
 
-            if (!videoBitrate.HasValue)
-            {
-                videoBitrate = isHd ? 15000000 : 2000000;
-            }
+            videoBitrate ??= isHd ? 15000000 : 2000000;
 
             int? audioBitrate = isHd ? 448000 : 192000;
 
@@ -664,7 +658,9 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                 _modelCache.Clear();
             }
 
-            cancellationToken = CancellationTokenSource.CreateLinkedTokenSource(new CancellationTokenSource(discoveryDurationMs).Token, cancellationToken).Token;
+            using var timedCancellationToken = new CancellationTokenSource(discoveryDurationMs);
+            using var linkedCancellationTokenSource = CancellationTokenSource.CreateLinkedTokenSource(timedCancellationToken.Token, cancellationToken);
+            cancellationToken = linkedCancellationTokenSource.Token;
             var list = new List<TunerHostInfo>();
 
             // Create udp broadcast discovery message
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/LiveStream.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/LiveStream.cs
index 78e62ff0a..f8baf55da 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/LiveStream.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/LiveStream.cs
@@ -150,7 +150,8 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
 
         public async Task CopyToAsync(Stream stream, CancellationToken cancellationToken)
         {
-            cancellationToken = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, LiveStreamCancellationTokenSource.Token).Token;
+            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;
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/M3uParser.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/M3uParser.cs
index 2af635492..cc30a516d 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/M3uParser.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/M3uParser.cs
@@ -4,7 +4,6 @@ using System;
 using System.Collections.Generic;
 using System.Globalization;
 using System.IO;
-using System.Linq;
 using System.Net.Http;
 using System.Text.RegularExpressions;
 using System.Threading;