1 files changed, 13 insertions, 0 deletions
diff --git a/libavfilter/framesync.h b/libavfilter/framesync.h
index 233f50a0eb..2932da01c0 100644
--- a/libavfilter/framesync.h
+++ b/libavfilter/framesync.h
@@ -136,6 +136,8 @@ typedef struct FFFrameSyncIn {
      */
     int64_t pts_next;
 
+    uint64_t frame_number;
+
     /**
      * Boolean flagging the next frame, for internal use
      */
@@ -189,6 +191,11 @@ typedef struct FFFrameSync {
     int64_t pts;
 
     /**
+     * Number of times on_event() was called.
+     */
+    uint64_t nb_events;
+
+    /**
      * Callback called when a frame event is ready
      */
     int (*on_event)(struct FFFrameSync *fs);
@@ -229,6 +236,12 @@ typedef struct FFFrameSync {
     int opt_eof_action;
     int opt_ts_sync_mode;
 
+    char *frame_map_path;
+
+    // explicit frame map
+    uint64_t       *frame_map;
+    size_t       nb_frame_map;
+    unsigned int    frame_map_allocated;
 } FFFrameSync;
 
 /**