avfilter/sharpen_npp: use FILTER_SINGLE_PIXFMT

libavfilter/vf_sharpen_npp.c

@@ -131,15 +131,6 @@ static void nppsharpen_uninit(AVFilterContext* ctx)
     av_frame_free(&s->tmp_frame);
 }
 
-static int nppsharpen_query_formats(AVFilterContext* ctx)
-{
-    static const enum AVPixelFormat pixel_formats[] = {
-        AV_PIX_FMT_CUDA,
-        AV_PIX_FMT_NONE,
-    };
-    return ff_set_common_formats_from_list(ctx, pixel_formats);
-}
-
 static int nppsharpen_config_props(AVFilterLink* outlink)
 {
     AVFilterLink* inlink = outlink->src->inputs[0];
@@ -274,7 +265,7 @@ const AVFilter ff_vf_sharpen_npp = {
 
     FILTER_INPUTS(nppsharpen_inputs),
     FILTER_OUTPUTS(nppsharpen_outputs),
-    FILTER_QUERY_FUNC(nppsharpen_query_formats),
+    FILTER_SINGLE_PIXFMT(AV_PIX_FMT_CUDA),
 
     .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
 };