minor changes

MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs

@@ -1610,8 +1610,10 @@ namespace MediaBrowser.Controller.MediaEncoding
                 // For VAAPI and CUVID decoder
                 // these encoders cannot automatically adjust the size of graphical subtitles to fit the output video,
                 // thus needs to be manually adjusted.
-                if ((IsVaapiSupported(state) && string.Equals(options.HardwareAccelerationType, "vaapi", StringComparison.OrdinalIgnoreCase))
+                if ((videoDecoder ?? string.Empty).IndexOf("cuvid", StringComparison.OrdinalIgnoreCase) != -1
-                    || (videoDecoder ?? string.Empty).IndexOf("cuvid", StringComparison.OrdinalIgnoreCase) != -1)
+                    || (IsVaapiSupported(state) && string.Equals(options.HardwareAccelerationType, "vaapi", StringComparison.OrdinalIgnoreCase)
+                        && ((videoDecoder ?? string.Empty).IndexOf("vaapi", StringComparison.OrdinalIgnoreCase) != -1
+                            || (outputVideoCodec ?? string.Empty).IndexOf("vaapi", StringComparison.OrdinalIgnoreCase) != -1)))
                 {
                     var videoStream = state.VideoStream;
                     var inputWidth = videoStream?.Width;
@@ -1653,7 +1655,7 @@ namespace MediaBrowser.Controller.MediaEncoding
             }
 
             // If we're hardware VAAPI decoding and software encoding, download frames from the decoder first
-            else if (IsVaapiSupported(state) && string.Equals(options.HardwareAccelerationType, "vaapi", StringComparison.OrdinalIgnoreCase)
+            else if (IsVaapiSupported(state) && (videoDecoder ?? string.Empty).IndexOf("vaapi", StringComparison.OrdinalIgnoreCase) != -1
                 && string.Equals(outputVideoCodec, "libx264", StringComparison.OrdinalIgnoreCase))
             {
                 /*