#if CONFIG_PREMULTIPLY_FILTER
-AVFilter ff_vf_premultiply = {
+const AVFilter ff_vf_premultiply = {
.name = "premultiply",
.description = NULL_IF_CONFIG_SMALL("PreMultiply first stream with first plane of second stream."),
.priv_size = sizeof(PreMultiplyContext),
#define unpremultiply_options options
AVFILTER_DEFINE_CLASS(unpremultiply);
-AVFilter ff_vf_unpremultiply = {
+const AVFilter ff_vf_unpremultiply = {
.name = "unpremultiply",
.description = NULL_IF_CONFIG_SMALL("UnPreMultiply first stream with first plane of second stream."),
.priv_size = sizeof(PreMultiplyContext),