fix hls direct regression (#1242)

ErsatzTV.FFmpeg/Pipeline/SoftwarePipelineBuilder.cs

@@ -99,11 +99,19 @@ public class SoftwarePipelineBuilder : PipelineBuilderBase
             currentState = decoder.NextState(currentState);
         }
 
+        if (desiredState.VideoFormat != VideoFormat.Copy)
+        {
             SetDeinterlace(videoInputFile, context, currentState);
 
             currentState = SetScale(videoInputFile, videoStream, desiredState, currentState);
             currentState = SetPad(videoInputFile, videoStream, desiredState, currentState);
-        SetSubtitle(videoInputFile, subtitleInputFile, context, desiredState, fontsFolder, subtitleOverlayFilterSteps);
+            SetSubtitle(
+                videoInputFile,
+                subtitleInputFile,
+                context,
+                desiredState,
+                fontsFolder,
+                subtitleOverlayFilterSteps);
             SetWatermark(
                 videoStream,
                 watermarkInputFile,
@@ -112,6 +120,7 @@ public class SoftwarePipelineBuilder : PipelineBuilderBase
                 desiredState,
                 currentState,
                 watermarkOverlayFilterSteps);
+        }
 
         // after everything else is done, apply the encoder
         if (pipelineSteps.OfType<IEncoder>().All(e => e.Kind != StreamKind.Video))
@@ -123,6 +132,12 @@ public class SoftwarePipelineBuilder : PipelineBuilderBase
             }
         }
         
+        // after decoder/encoder, return hls direct
+        if (desiredState.VideoFormat == VideoFormat.Copy)
+        {
+            return FilterChain.Empty;
+        }
+
         List<IPipelineFilterStep> pixelFormatFilterSteps = SetPixelFormat(
             videoStream,
             desiredState.PixelFormat,

ErsatzTV.Scanner/Core/Plex/PlexMovieLibraryScanner.cs

@@ -99,7 +99,7 @@ public class PlexMovieLibraryScanner :
             connectionParameters.Token);
 
     // this shouldn't be called anymore
-    protected override async Task<Option<MovieMetadata>> GetFullMetadata(
+    protected override Task<Option<MovieMetadata>> GetFullMetadata(
         PlexConnectionParameters connectionParameters,
         PlexLibrary library,
         MediaItemScanResult<PlexMovie> result,
@@ -111,7 +111,7 @@ public class PlexMovieLibraryScanner :
             throw new NotSupportedException("This shouldn't happen anymore");
         }
 
-        return None;
+        return Task.FromResult<Option<MovieMetadata>>(None);
     }
 
     // this shouldn't be called anymore