vf_d3d11vpp: adjust options for userdeint filter

Fixes: #14816

filters/f_auto_filters.c

@@ -93,7 +93,9 @@ static void deint_process(struct mp_filter *f)
         p->sub.filter =
             mp_create_user_filter(f, MP_OUTPUT_CHAIN_VIDEO, "vdpaupp", args);
     } else if (img->imgfmt == IMGFMT_D3D11) {
-        char *args[] = {"parity", field_parity, NULL};
+        char *args[] = {"deint", "yes",
+                        "interlaced-only", "yes",
+                        "parity", field_parity, NULL};
         p->sub.filter =
             mp_create_user_filter(f, MP_OUTPUT_CHAIN_VIDEO, "d3d11vpp", args);
     } else if (img->imgfmt == IMGFMT_CUDA) {

video/filter/vf_d3d11vpp.c

@@ -213,6 +213,9 @@ static int recreate_video_proc(struct mp_filter *vf)
     if (FAILED(hr))
         goto fail;
 
+    if (!p->opts->mode && p->opts->deint_enabled)
+        p->opts->mode = D3D11_VIDEO_PROCESSOR_PROCESSOR_CAPS_DEINTERLACE_BOB;
+
     int rindex = p->opts->mode ? -1 : 0;
     if (rindex == 0)
         goto create;