diff --git a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
index d4852decba..d46f1c2981 100644
--- a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
+++ b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
@@ -4924,14 +4924,21 @@ namespace MediaBrowser.Controller.MediaEncoding
                 {
                     if (IsCrtShaderEnabled(state))
                     {
-                        // VAAPI → OpenCL → CRT → VAAPI round-trip, then map to QSV
+                        // VAAPI → OpenCL → CRT → QSV (direct, no VAAPI intermediate).
+                        // After scale_opencl the surface has no VAAPI association left,
+                        // so reverse=1 to vaapi would fail. Map straight to QSV instead
+                        // (on Intel, VAAPI and QSV share the same libva surfaces, so the
+                        // QSV interop works for frames that originated in VAAPI).
                         mainFilters.Add("hwmap=derive_device=opencl:mode=read");
                         mainFilters.AddRange(GetCrtShaderOclFilters(state));
-                        mainFilters.Add("hwmap=derive_device=vaapi:mode=write:reverse=1");
+                        mainFilters.Add("hwmap=derive_device=qsv:mode=write:reverse=1:extra_hw_frames=16");
+                        mainFilters.Add("format=qsv");
+                    }
+                    else
+                    {
+                        mainFilters.Add("hwmap=derive_device=qsv");
+                        mainFilters.Add("format=qsv");
                     }
-
-                    mainFilters.Add("hwmap=derive_device=qsv");
-                    mainFilters.Add("format=qsv");
                 }
                 else if (isQsvDecoder)
                 {