diff --git a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
index 4c8a2b39e9..d4852decba 100644
--- a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
+++ b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
@@ -4933,6 +4933,17 @@ namespace MediaBrowser.Controller.MediaEncoding
                     mainFilters.Add("hwmap=derive_device=qsv");
                     mainFilters.Add("format=qsv");
                 }
+                else if (isQsvDecoder)
+                {
+                    if (IsCrtShaderEnabled(state))
+                    {
+                        // QSV → OpenCL → CRT → QSV round-trip (SDR, no tonemap)
+                        mainFilters.Add("hwmap=derive_device=opencl:mode=read");
+                        mainFilters.AddRange(GetCrtShaderOclFilters(state));
+                        mainFilters.Add("hwmap=derive_device=qsv:mode=write:reverse=1:extra_hw_frames=16");
+                        mainFilters.Add("format=qsv");
+                    }
+                }
             }
 
             /* Make sub and overlay filters for subtitle stream */