diff --git a/ErsatzTV.FFmpeg/Capabilities/FFmpegCapabilities.cs b/ErsatzTV.FFmpeg/Capabilities/FFmpegCapabilities.cs
index bee9914ae..92ed9521c 100644
--- a/ErsatzTV.FFmpeg/Capabilities/FFmpegCapabilities.cs
+++ b/ErsatzTV.FFmpeg/Capabilities/FFmpegCapabilities.cs
@@ -74,7 +74,7 @@ public class FFmpegCapabilities(
             VideoFormat.Vp9 => new DecoderVp9(),
             VideoFormat.Av1 => new DecoderAv1(ffmpegDecoders),
 
-            VideoFormat.Raw => new DecoderRawVideo(),
+            VideoFormat.Raw or VideoFormat.RawVideo => new DecoderRawVideo(),
             VideoFormat.Undetermined => new DecoderImplicit(),
             VideoFormat.Copy => new DecoderImplicit(),
             VideoFormat.GeneratedImage => new DecoderImplicit(),
diff --git a/ErsatzTV.FFmpeg/Format/VideoFormat.cs b/ErsatzTV.FFmpeg/Format/VideoFormat.cs
index 76b3df7ac..591b01f07 100644
--- a/ErsatzTV.FFmpeg/Format/VideoFormat.cs
+++ b/ErsatzTV.FFmpeg/Format/VideoFormat.cs
@@ -15,6 +15,7 @@ public static class VideoFormat
     public const string Av1 = "av1";
     public const string MpegTs = "mpegts";
     public const string Raw = "raw";
+    public const string RawVideo = "rawvideo";
 
     public const string Copy = "copy";
     public const string GeneratedImage = "generated-image";
diff --git a/ErsatzTV.Infrastructure.Tests/Metadata/LocalStatisticsProviderTests.cs b/ErsatzTV.Infrastructure.Tests/Metadata/LocalStatisticsProviderTests.cs
index 9a0e78ef2..038670d68 100644
--- a/ErsatzTV.Infrastructure.Tests/Metadata/LocalStatisticsProviderTests.cs
+++ b/ErsatzTV.Infrastructure.Tests/Metadata/LocalStatisticsProviderTests.cs
@@ -2,6 +2,7 @@
 using ErsatzTV.Core.Domain;
 using ErsatzTV.Core.Interfaces.Metadata;
 using ErsatzTV.Core.Interfaces.Repositories;
+using ErsatzTV.FFmpeg.Capabilities;
 using ErsatzTV.Infrastructure.Metadata;
 using Microsoft.Extensions.Logging;
 using NSubstitute;
@@ -22,6 +23,7 @@ public class LocalStatisticsProviderTests
             Substitute.For<IMetadataRepository>(),
             Substitute.For<ILocalFileSystem>(),
             Substitute.For<IClient>(),
+            Substitute.For<IHardwareCapabilitiesFactory>(),
             Substitute.For<ILogger<LocalStatisticsProvider>>());
 
         var input = new LocalStatisticsProvider.FFprobe(
diff --git a/ErsatzTV.Infrastructure/Metadata/LocalStatisticsProvider.cs b/ErsatzTV.Infrastructure/Metadata/LocalStatisticsProvider.cs
index 4da341eaa..cd14d2218 100644
--- a/ErsatzTV.Infrastructure/Metadata/LocalStatisticsProvider.cs
+++ b/ErsatzTV.Infrastructure/Metadata/LocalStatisticsProvider.cs
@@ -11,6 +11,7 @@ using ErsatzTV.Core.Domain;
 using ErsatzTV.Core.Extensions;
 using ErsatzTV.Core.Interfaces.Metadata;
 using ErsatzTV.Core.Interfaces.Repositories;
+using ErsatzTV.FFmpeg.Capabilities;
 using Microsoft.Extensions.Logging;
 using Newtonsoft.Json;
 using File = TagLib.File;
@@ -20,6 +21,7 @@ namespace ErsatzTV.Infrastructure.Metadata;
 public class LocalStatisticsProvider : ILocalStatisticsProvider
 {
     private readonly IClient _client;
+    private readonly IHardwareCapabilitiesFactory _hardwareCapabilitiesFactory;
     private readonly ILocalFileSystem _localFileSystem;
     private readonly ILogger<LocalStatisticsProvider> _logger;
     private readonly IMetadataRepository _metadataRepository;
@@ -28,11 +30,13 @@ public class LocalStatisticsProvider : ILocalStatisticsProvider
         IMetadataRepository metadataRepository,
         ILocalFileSystem localFileSystem,
         IClient client,
+        IHardwareCapabilitiesFactory hardwareCapabilitiesFactory,
         ILogger<LocalStatisticsProvider> logger)
     {
         _metadataRepository = metadataRepository;
         _localFileSystem = localFileSystem;
         _client = client;
+        _hardwareCapabilitiesFactory = hardwareCapabilitiesFactory;
         _logger = logger;
     }
 
@@ -52,6 +56,12 @@ public class LocalStatisticsProvider : ILocalStatisticsProvider
         try
         {
             string filePath = await PathForMediaItem(mediaItem);
+
+            if (Path.GetExtension(filePath) == ".avs" && !_hardwareCapabilitiesFactory.IsAviSynthInstalled())
+            {
+                return BaseError.New(".avs files are not supported; compatible ffmpeg and avisynth are both required");
+            }
+
             return await RefreshStatistics(ffmpegPath, ffprobePath, mediaItem, filePath);
         }
         catch (Exception ex)
diff --git a/ErsatzTV.Scanner.Tests/Core/FFmpeg/TranscodingTests.cs b/ErsatzTV.Scanner.Tests/Core/FFmpeg/TranscodingTests.cs
index cf3bdfc37..18127ca6c 100644
--- a/ErsatzTV.Scanner.Tests/Core/FFmpeg/TranscodingTests.cs
+++ b/ErsatzTV.Scanner.Tests/Core/FFmpeg/TranscodingTests.cs
@@ -352,6 +352,7 @@ public class TranscodingTests
             metadataRepository,
             new LocalFileSystem(Substitute.For<IClient>(), LoggerFactory.CreateLogger<LocalFileSystem>()),
             Substitute.For<IClient>(),
+            Substitute.For<IHardwareCapabilitiesFactory>(),
             LoggerFactory.CreateLogger<LocalStatisticsProvider>());
 
         await localStatisticsProvider.RefreshStatistics(ExecutableName("ffmpeg"), ExecutableName("ffprobe"), song);
@@ -500,6 +501,7 @@ public class TranscodingTests
             metadataRepository,
             new LocalFileSystem(Substitute.For<IClient>(), LoggerFactory.CreateLogger<LocalFileSystem>()),
             Substitute.For<IClient>(),
+            Substitute.For<IHardwareCapabilitiesFactory>(),
             LoggerFactory.CreateLogger<LocalStatisticsProvider>());
 
         await localStatisticsProvider.RefreshStatistics(
diff --git a/ErsatzTV.Scanner/Application/FFmpeg/Commands/RefreshFFmpegCapabilities.cs b/ErsatzTV.Scanner/Application/FFmpeg/Commands/RefreshFFmpegCapabilities.cs
new file mode 100644
index 000000000..b9804e8ce
--- /dev/null
+++ b/ErsatzTV.Scanner/Application/FFmpeg/Commands/RefreshFFmpegCapabilities.cs
@@ -0,0 +1,3 @@
+namespace ErsatzTV.Scanner.Application.FFmpeg;
+
+public record RefreshFFmpegCapabilities : IRequest;
diff --git a/ErsatzTV.Scanner/Application/FFmpeg/Commands/RefreshFFmpegCapabilitiesHandler.cs b/ErsatzTV.Scanner/Application/FFmpeg/Commands/RefreshFFmpegCapabilitiesHandler.cs
new file mode 100644
index 000000000..918415e07
--- /dev/null
+++ b/ErsatzTV.Scanner/Application/FFmpeg/Commands/RefreshFFmpegCapabilitiesHandler.cs
@@ -0,0 +1,45 @@
+using ErsatzTV.Core;
+using ErsatzTV.Core.Domain;
+using ErsatzTV.Core.Interfaces.Metadata;
+using ErsatzTV.FFmpeg.Capabilities;
+using ErsatzTV.Infrastructure.Data;
+using ErsatzTV.Infrastructure.Extensions;
+using Microsoft.EntityFrameworkCore;
+
+namespace ErsatzTV.Scanner.Application.FFmpeg;
+
+public class RefreshFFmpegCapabilitiesHandler(
+    IDbContextFactory<TvContext> dbContextFactory,
+    IHardwareCapabilitiesFactory hardwareCapabilitiesFactory,
+    ILocalStatisticsProvider localStatisticsProvider)
+    : IRequestHandler<RefreshFFmpegCapabilities>
+{
+    public async Task Handle(RefreshFFmpegCapabilities request, CancellationToken cancellationToken)
+    {
+        hardwareCapabilitiesFactory.ClearCache();
+
+        await using TvContext dbContext = await dbContextFactory.CreateDbContextAsync(cancellationToken);
+
+        Option<string> maybeFFmpegPath = await dbContext.ConfigElements
+            .GetValue<string>(ConfigElementKey.FFmpegPath, cancellationToken)
+            .FilterT(File.Exists);
+
+        foreach (string ffmpegPath in maybeFFmpegPath)
+        {
+            _ = await hardwareCapabilitiesFactory.GetFFmpegCapabilities(ffmpegPath);
+
+            Option<string> maybeFFprobePath = await dbContext.ConfigElements
+                .GetValue<string>(ConfigElementKey.FFprobePath, cancellationToken)
+                .FilterT(File.Exists);
+
+            foreach (string ffprobePath in maybeFFprobePath)
+            {
+                Either<BaseError, MediaVersion> result = await localStatisticsProvider.GetStatistics(
+                    ffprobePath,
+                    Path.Combine(FileSystemLayout.ResourcesCacheFolder, "test.avs"));
+
+                hardwareCapabilitiesFactory.SetAviSynthInstalled(result.IsRight);
+            }
+        }
+    }
+}
diff --git a/ErsatzTV.Scanner/Core/Metadata/LocalFolderScanner.cs b/ErsatzTV.Scanner/Core/Metadata/LocalFolderScanner.cs
index 2c4cd76e4..02e9ca7ef 100644
--- a/ErsatzTV.Scanner/Core/Metadata/LocalFolderScanner.cs
+++ b/ErsatzTV.Scanner/Core/Metadata/LocalFolderScanner.cs
@@ -19,7 +19,7 @@ public abstract class LocalFolderScanner
 {
     public static readonly ImmutableHashSet<string> VideoFileExtensions = new[]
     {
-        ".mpg", ".mp2", ".mpeg", ".mpe", ".mpv", ".ogg", ".ogv", ".mp4",
+        ".avs", ".mpg", ".mp2", ".mpeg", ".mpe", ".mpv", ".ogg", ".ogv", ".mp4",
         ".m4p", ".m4v", ".avi", ".wmv", ".mov", ".mkv", ".m2ts", ".ts", ".webm"
     }.ToImmutableHashSet(StringComparer.OrdinalIgnoreCase);
 
diff --git a/ErsatzTV.Scanner/ErsatzTV.Scanner.csproj.DotSettings b/ErsatzTV.Scanner/ErsatzTV.Scanner.csproj.DotSettings
index a21ca000b..e89e1b47b 100644
--- a/ErsatzTV.Scanner/ErsatzTV.Scanner.csproj.DotSettings
+++ b/ErsatzTV.Scanner/ErsatzTV.Scanner.csproj.DotSettings
@@ -1,5 +1,6 @@
 <wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
 	<s:Boolean x:Key="/Default/CodeInspection/NamespaceProvider/NamespaceFoldersToSkip/=application_005Cemby_005Ccommands/@EntryIndexedValue">True</s:Boolean>
+	<s:Boolean x:Key="/Default/CodeInspection/NamespaceProvider/NamespaceFoldersToSkip/=application_005Cffmpeg_005Ccommands/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/CodeInspection/NamespaceProvider/NamespaceFoldersToSkip/=application_005Cjellyfin_005Ccommands/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/CodeInspection/NamespaceProvider/NamespaceFoldersToSkip/=application_005Cmediasources_005Ccommands/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/CodeInspection/NamespaceProvider/NamespaceFoldersToSkip/=application_005Cplex_005Ccommands/@EntryIndexedValue">True</s:Boolean></wpf:ResourceDictionary>
\ No newline at end of file
diff --git a/ErsatzTV.Scanner/Program.cs b/ErsatzTV.Scanner/Program.cs
index 7f608e2ad..500c2abd7 100644
--- a/ErsatzTV.Scanner/Program.cs
+++ b/ErsatzTV.Scanner/Program.cs
@@ -17,6 +17,7 @@ using ErsatzTV.Core.Jellyfin;
 using ErsatzTV.Core.Metadata;
 using ErsatzTV.Core.Plex;
 using ErsatzTV.Core.Search;
+using ErsatzTV.FFmpeg.Capabilities;
 using ErsatzTV.FFmpeg.Runtime;
 using ErsatzTV.Infrastructure.Data;
 using ErsatzTV.Infrastructure.Data.Repositories;
@@ -207,6 +208,7 @@ public class Program
                 services.AddScoped<IOtherVideoNfoReader, OtherVideoNfoReader>();
                 services.AddScoped<IFFmpegPngService, FFmpegPngService>();
                 services.AddScoped<IRuntimeInfo, RuntimeInfo>();
+                services.AddScoped<IHardwareCapabilitiesFactory, HardwareCapabilitiesFactory>();
 
                 services.AddScoped<IPlexMovieLibraryScanner, PlexMovieLibraryScanner>();
                 services.AddScoped<IPlexOtherVideoLibraryScanner, PlexOtherVideoLibraryScanner>();
diff --git a/ErsatzTV.Scanner/Worker.cs b/ErsatzTV.Scanner/Worker.cs
index 123b385dd..1a79ec136 100644
--- a/ErsatzTV.Scanner/Worker.cs
+++ b/ErsatzTV.Scanner/Worker.cs
@@ -1,6 +1,7 @@
 using System.CommandLine;
 using System.Diagnostics;
 using ErsatzTV.Scanner.Application.Emby;
+using ErsatzTV.Scanner.Application.FFmpeg;
 using ErsatzTV.Scanner.Application.Jellyfin;
 using ErsatzTV.Scanner.Application.MediaSources;
 using ErsatzTV.Scanner.Application.Plex;
@@ -28,6 +29,10 @@ public class Worker : BackgroundService
 
     protected override async Task ExecuteAsync(CancellationToken stoppingToken)
     {
+        using IServiceScope scope = _serviceScopeFactory.CreateScope();
+        IMediator mediator = scope.ServiceProvider.GetRequiredService<IMediator>();
+        await mediator.Send(new RefreshFFmpegCapabilities(), stoppingToken);
+
         RootCommand rootCommand = ConfigureCommandLine();
 
         // need to strip program name (head) from command line args