diff --git a/libavfilter/avfilter.h b/libavfilter/avfilter.h
index b14f814c63..5f4968bb38 100644
--- a/libavfilter/avfilter.h
+++ b/libavfilter/avfilter.h
@@ -53,7 +53,7 @@ typedef struct AVFilterPic
  * and dimensions are per-reference properties.  Linesize is also useful for
  * image flipping, frame to field filters, etc, and so is also per-reference.
  *
- * TODO: add pts, and anything necessary for frame reordering
+ * TODO: add anything necessary for frame reordering
  */
 typedef struct AVFilterPicRef
 {
@@ -62,6 +62,8 @@ typedef struct AVFilterPicRef
     int linesize[4];
     int w, h;
 
+    int64_t pts;                ///< presentation timestamp in milliseconds
+
     int perms;                  ///< permissions
 #define AV_PERM_READ     0x01   ///< can read from the buffer
 #define AV_PERM_WRITE    0x02   ///< can write to the buffer