avfilter/vf_il: use ff_formats_pixdesc_filter()

libavfilter/vf_il.c

@@ -84,16 +84,13 @@ AVFILTER_DEFINE_CLASS(il);
 static int query_formats(AVFilterContext *ctx)
 {
     AVFilterFormats *formats = NULL;
-    int fmt, ret;
+    int ret;
 
-    for (fmt = 0; av_pix_fmt_desc_get(fmt); fmt++) {
+    ret = ff_formats_pixdesc_filter(&formats, 0,
-        const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(fmt);
+                                    AV_PIX_FMT_FLAG_PAL |
-        if (!(desc->flags & AV_PIX_FMT_FLAG_PAL) &&
+                                    AV_PIX_FMT_FLAG_HWACCEL);
-            !(desc->flags & AV_PIX_FMT_FLAG_HWACCEL) &&
+    if (ret < 0)
-            (ret = ff_add_format(&formats, fmt)) < 0)
         return ret;
-    }
-
     return ff_set_common_formats(ctx, formats);
 }