reduce hls disk use (#808)

* reduce hls segmenter disk use

* logging improvements

* update dependencies

ErsatzTV.Application/Streaming/HlsSessionWorker.cs

@@ -371,7 +371,7 @@ public class HlsSessionWorker : IHlsSessionWorker
         }
     }
 
-    private static async Task<long> GetPtsOffset(
+    private async Task<long> GetPtsOffset(
         IMediator mediator,
         string channelNumber,
         CancellationToken cancellationToken)
@@ -385,6 +385,11 @@ public class HlsSessionWorker : IHlsSessionWorker
                 new GetLastPtsDuration(channelNumber),
                 cancellationToken);
 
+            foreach (BaseError error in queryResult.LeftToSeq())
+            {
+                _logger.LogWarning("Unable to determine last pts offset - {@Error}", error);
+            }
+
             foreach ((long pts, long duration) in queryResult.RightToSeq())
             {
                 result = pts + duration;

ErsatzTV.Core.Tests/ErsatzTV.Core.Tests.csproj

@@ -21,7 +21,7 @@
         <PrivateAssets>all</PrivateAssets>
         <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       </PackageReference>
-      <PackageReference Include="Moq" Version="4.18.0" />
+      <PackageReference Include="Moq" Version="4.18.1" />
       <PackageReference Include="NUnit" Version="3.13.3" />
       <PackageReference Include="NUnit3TestAdapter" Version="4.2.1" />
       <PackageReference Include="Serilog" Version="2.11.0" />

ErsatzTV.Core/FFmpeg/FFmpegStreamSelector.cs

@@ -82,7 +82,7 @@ public class FFmpegStreamSelector : IFFmpegStreamSelector
             "Unable to find audio stream with preferred audio language code(s) {Code}; selecting stream with most channels",
             allCodes);
 
-        return audioStreams.OrderByDescending(s => s.Channels).Head();
+        return audioStreams.OrderByDescending(s => s.Channels).HeadOrNone();
     }
 
     public async Task<Option<Subtitle>> SelectSubtitleStream(

ErsatzTV.Core/Metadata/LocalFolderScanner.cs

@@ -299,6 +299,7 @@ public abstract class LocalFolderScanner
     }
 
     protected bool ShouldIncludeFolder(string folder) =>
+        !string.IsNullOrWhiteSpace(folder) &&
         !Path.GetFileName(folder).StartsWith('.') &&
         !_localFileSystem.FileExists(Path.Combine(folder, ".etvignore"));
 }

ErsatzTV.FFmpeg.Tests/ErsatzTV.FFmpeg.Tests.csproj

@@ -10,7 +10,7 @@
     <ItemGroup>
         <PackageReference Include="FluentAssertions" Version="6.6.0" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.2.0" />
-        <PackageReference Include="Moq" Version="4.18.0" />
+        <PackageReference Include="Moq" Version="4.18.1" />
         <PackageReference Include="NUnit" Version="3.13.3" />
         <PackageReference Include="NUnit3TestAdapter" Version="4.2.1" />
         <PackageReference Include="System.IO.FileSystem.Primitives" Version="4.3.0" />