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

src/Jellyfin.MediaEncoding.Keyframes/FfProbe/FfProbeKeyframeExtractor.cs

@@ -50,10 +50,13 @@ public static class FfProbeKeyframeExtractor
             {
                 process.PriorityClass = ProcessPriorityClass.BelowNormal;
             }
-            catch
+            catch (InvalidOperationException)
             {
-                // We do not care if process priority setting fails
-                // Ideally log a warning but this does not have a logger available
+                // Process may have already exited - ignore
+            }
+            catch (System.ComponentModel.Win32Exception)
+            {
+                // Priority setting may not be supported on this platform - ignore
             }
 
             return ParseStream(process.StandardOutput);
@@ -67,9 +70,13 @@ public static class FfProbeKeyframeExtractor
                     process.Kill();
                 }
             }
-            catch
+            catch (InvalidOperationException)
             {
-                // We do not care if this fails
+                // Process may have already exited - ignore
+            }
+            catch (System.ComponentModel.Win32Exception)
+            {
+                // Process termination may fail - ignore
             }
 
             throw;