avfilter/vf_gradfun: Use formats list instead of query function

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

libavfilter/vf_gradfun.c

@@ -145,8 +145,6 @@ static av_cold void uninit(AVFilterContext *ctx)
     av_freep(&s->buf);
 }
 
-static int query_formats(AVFilterContext *ctx)
-{
     static const enum AVPixelFormat pix_fmts[] = {
         AV_PIX_FMT_YUV410P,            AV_PIX_FMT_YUV420P,
         AV_PIX_FMT_GRAY8,              AV_PIX_FMT_YUV444P,
@@ -155,8 +153,6 @@ static int query_formats(AVFilterContext *ctx)
         AV_PIX_FMT_GBRP,
         AV_PIX_FMT_NONE
     };
-    return ff_set_common_formats_from_list(ctx, pix_fmts);
-}
 
 static int config_input(AVFilterLink *inlink)
 {
@@ -255,6 +251,6 @@ const AVFilter ff_vf_gradfun = {
     .uninit        = uninit,
     FILTER_INPUTS(avfilter_vf_gradfun_inputs),
     FILTER_OUTPUTS(avfilter_vf_gradfun_outputs),
-    FILTER_QUERY_FUNC(query_formats),
+    FILTER_PIXFMTS_ARRAY(pix_fmts),
     .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC,
 };