2 files changed, 3 insertions, 1 deletions
diff --git a/sub/osd.c b/sub/osd.c
index 9517595ff3..0d594cd24d 100644
--- a/sub/osd.c
+++ b/sub/osd.c
@@ -104,7 +104,7 @@ const struct m_sub_options sub_style_conf = {
     .change_flags = UPDATE_OSD,
 };
 
-static bool osd_res_equals(struct mp_osd_res a, struct mp_osd_res b)
+bool osd_res_equals(struct mp_osd_res a, struct mp_osd_res b)
 {
     return a.w == b.w && a.h == b.h && a.ml == b.ml && a.mt == b.mt
         && a.mr == b.mr && a.mb == b.mb
diff --git a/sub/osd.h b/sub/osd.h
index d139647718..114ab4a8f1 100644
--- a/sub/osd.h
+++ b/sub/osd.h
@@ -82,6 +82,8 @@ struct mp_osd_res {
     double display_par;
 };
 
+bool osd_res_equals(struct mp_osd_res a, struct mp_osd_res b);
+
 // 0 <= sub_bitmaps.render_index < MAX_OSD_PARTS
 #define MAX_OSD_PARTS 5