avfilter/vf_coreimage: Store format in filter, remove query function

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

libavfilter/vf_coreimage.m

@@ -135,16 +135,6 @@ static void list_filters(CoreImageContext *ctx)
     }
 }
 
-static int query_formats(AVFilterContext *fctx)
-{
-    static const enum AVPixelFormat inout_fmts_rgb[] = {
-        AV_PIX_FMT_ARGB,
-        AV_PIX_FMT_NONE
-    };
-
-    return ff_set_common_formats_from_list(fctx, inout_fmts_rgb);
-}
-
 static int apply_filter(CoreImageContext *ctx, AVFilterLink *link, AVFrame *frame)
 {
     int i;
@@ -629,7 +619,7 @@ const AVFilter ff_vf_coreimage = {
     .priv_class    = &coreimage_class,
     FILTER_INPUTS(vf_coreimage_inputs),
     FILTER_OUTPUTS(vf_coreimage_outputs),
-    FILTER_QUERY_FUNC(query_formats),
+    FILTER_SINGLE_PIXFMT(AV_PIX_FMT_ARGB),
 };
 
 // definitions for coreimagesrc video source
@@ -650,5 +640,5 @@ const AVFilter ff_vsrc_coreimagesrc = {
     .priv_class    = &coreimagesrc_class,
     .inputs        = NULL,
     FILTER_OUTPUTS(vsrc_coreimagesrc_outputs),
-    FILTER_QUERY_FUNC(query_formats),
+    FILTER_SINGLE_PIXFMT(AV_PIX_FMT_ARGB),
 };