#define OFFSET(x) offsetof(ScaleVAAPIContext, x)
-#define FLAGS (AV_OPT_FLAG_VIDEO_PARAM)
+#define FLAGS (AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM)
static const AVOption scale_vaapi_options[] = {
{ "w", "Output video width",
OFFSET(output_width), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, .flags = FLAGS },