1 files changed, 3 insertions, 0 deletions
diff --git a/video/out/vo.h b/video/out/vo.h
index a8e8b9ddaf..63d6c7caa7 100644
--- a/video/out/vo.h
+++ b/video/out/vo.h
@@ -72,6 +72,9 @@ enum mp_voctrl {
     // you could install your own listener.
     VOCTRL_VO_OPTS_CHANGED,
 
+    // Triggered by any change to the OSD (e.g. OSD style changes)
+    VOCTRL_OSD_CHANGED,
+
     /* private to vo_gpu */
     VOCTRL_LOAD_HWDEC_API,