1 files changed, 8 insertions, 0 deletions
diff --git a/video/out/vo.h b/video/out/vo.h
index feb2907c67..035b4dc1d6 100644
--- a/video/out/vo.h
+++ b/video/out/vo.h
@@ -30,10 +30,16 @@
 #include "common/common.h"
 #include "options/options.h"
 
+// VO needs to redraw
 #define VO_EVENT_EXPOSE 1
+// VO needs to update state to a new window size
 #define VO_EVENT_RESIZE 2
+// The ICC profile needs to be reloaded
 #define VO_EVENT_ICC_PROFILE_PATH_CHANGED 4
 
+// Set of events the player core may be interested in.
+#define VO_EVENTS_USER (VO_EVENT_RESIZE)
+
 enum mp_voctrl {
     /* signal a device reset seek */
     VOCTRL_RESET = 1,
@@ -298,6 +304,8 @@ void vo_destroy(struct vo *vo);
 void vo_set_paused(struct vo *vo, bool paused);
 int64_t vo_get_drop_count(struct vo *vo);
 int vo_query_format(struct vo *vo, int format);
+void vo_event(struct vo *vo, int event);
+int vo_query_events(struct vo *vo, int events, bool clear);
 
 void vo_set_flip_queue_offset(struct vo *vo, int64_t us);
 int64_t vo_get_vsync_interval(struct vo *vo);