add support for aif, aifc, aiff (#2325)

* adds .aiff to supported audio file extension in local folder scanner

* add support for aif, aifc, aiff

---------

Co-authored-by: Jason Dove <1695733+jasongdove@users.noreply.github.com>

CHANGELOG.md

@@ -12,6 +12,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
     - This allows the exact same content on different channels with different channel settings
     - `Playout Offset` can be used to offset the times of scheduled playout items from the mirror source channel
       - e.g. -2 hours will cause the mirror channel to play content 2 hours before the mirror source channel
+- Add support for `.aif`, `.aifc`, `.aiff` song files
 
 ### Fixed
 - Fix transcoding content with bt709/pc color metadata

ErsatzTV.Infrastructure/Metadata/LocalStatisticsProvider.cs

@@ -67,6 +67,14 @@ public class LocalStatisticsProvider : ILocalStatisticsProvider
         try
         {
             string mediaItemPath = mediaItem.GetHeadVersion().MediaFiles.Head().Path;
+
+            // aifc is unsupported here
+            string extension = Path.GetExtension(mediaItemPath);
+            if (extension.Contains("aifc", StringComparison.OrdinalIgnoreCase))
+            {
+                return new List<SongTag>();
+            }
+
             var song = File.Create(mediaItemPath);
 
             var result = new List<SongTag>();

ErsatzTV.Scanner/Core/Metadata/LocalFolderScanner.cs

@@ -25,8 +25,8 @@ public abstract class LocalFolderScanner
 
     public static readonly ImmutableHashSet<string> AudioFileExtensions = new[]
     {
-        ".aac", ".alac", ".dff", ".dsf", ".flac", ".mp3", ".m4a", ".ogg", ".opus", ".oga", ".ogx", ".spx", ".wav",
-        ".wma"
+        ".aac", ".aif", ".aifc", ".aiff", ".alac", ".dff", ".dsf", ".flac", ".mp3",
+        ".m4a", ".ogg", ".opus", ".oga", ".ogx", ".spx", ".wav", ".wma"
     }.ToImmutableHashSet(StringComparer.OrdinalIgnoreCase);
 
     public static readonly ImmutableHashSet<string> ImageFileExtensions = new[]