Fix 12 code analysis errors in MediaEncoding projects - use LoggerMessage source generators and specific exception types

src/Jellyfin.MediaEncoding.Hls/Cache/CacheDecorator.cs

@@ -16,7 +16,7 @@ using Microsoft.Extensions.Logging;
 namespace Jellyfin.MediaEncoding.Hls.Cache;
 
 /// <inheritdoc />
-public class CacheDecorator : IKeyframeExtractor
+public partial class CacheDecorator : IKeyframeExtractor
 {
     private readonly IKeyframeRepository _keyframeRepository;
     private readonly IKeyframeExtractor _keyframeExtractor;
@@ -58,11 +58,11 @@ public class CacheDecorator : IKeyframeExtractor
         {
             if (!_keyframeExtractor.TryExtractKeyframes(itemId, filePath, out var result))
             {
-                _logger.LogDebug("Failed to extract keyframes using {ExtractorName}", _keyframeExtractorName);
+                LogKeyframeExtractionFailed(_logger, _keyframeExtractorName);
                 return false;
             }
 
-            _logger.LogDebug("Successfully extracted keyframes using {ExtractorName}", _keyframeExtractorName);
+            LogKeyframeExtractionSucceeded(_logger, _keyframeExtractorName);
             keyframeData = result;
             _keyframeRepository.SaveKeyframeDataAsync(itemId, keyframeData, CancellationToken.None)
                 .GetAwaiter()
@@ -71,4 +71,10 @@ public class CacheDecorator : IKeyframeExtractor
 
         return true;
     }
+
+    [LoggerMessage(Level = LogLevel.Debug, Message = "Failed to extract keyframes using {ExtractorName}")]
+    private static partial void LogKeyframeExtractionFailed(ILogger logger, string extractorName);
+
+    [LoggerMessage(Level = LogLevel.Debug, Message = "Successfully extracted keyframes using {ExtractorName}")]
+    private static partial void LogKeyframeExtractionSucceeded(ILogger logger, string extractorName);
 }