1 files changed, 2 insertions, 0 deletions
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