avfilter/vf_threshold: Use formats list instead of query function

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

libavfilter/vf_threshold.c

@@ -43,8 +43,6 @@ static const AVOption threshold_options[] = {
 
 AVFILTER_DEFINE_CLASS(threshold);
 
-static int query_formats(AVFilterContext *ctx)
-{
     static const enum AVPixelFormat pix_fmts[] = {
         AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV440P,
         AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ440P,
@@ -67,9 +65,6 @@ static int query_formats(AVFilterContext *ctx)
         AV_PIX_FMT_NONE
     };
 
-    return ff_set_common_formats_from_list(ctx, pix_fmts);
-}
-
 typedef struct ThreadData {
     AVFrame *in;
     AVFrame *threshold;
@@ -355,7 +350,7 @@ const AVFilter ff_vf_threshold = {
     .activate      = activate,
     FILTER_INPUTS(inputs),
     FILTER_OUTPUTS(outputs),
-    FILTER_QUERY_FUNC(query_formats),
+    FILTER_PIXFMTS_ARRAY(pix_fmts),
     .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL | AVFILTER_FLAG_SLICE_THREADS,
     .process_command = ff_filter_process_command,
 };