#if CONFIG_XMEDIAN_FILTER
FRAMESYNC_DEFINE_CLASS(xmedian, XMedianContext, fs);
-AVFilter ff_vf_xmedian = {
+const AVFilter ff_vf_xmedian = {
.name = "xmedian",
.description = NULL_IF_CONFIG_SMALL("Pick median pixels from several video inputs."),
.priv_size = sizeof(XMedianContext),
AVFILTER_DEFINE_CLASS(tmedian);
-AVFilter ff_vf_tmedian = {
+const AVFilter ff_vf_tmedian = {
.name = "tmedian",
.description = NULL_IF_CONFIG_SMALL("Pick median pixels from successive frames."),
.priv_size = sizeof(XMedianContext),