From d9b07a98539b9d395df5d5e6a1d8ea91210991ee Mon Sep 17 00:00:00 2001
From: Paul B Mahol <onemda@gmail.com>
Date: Fri, 27 Jan 2023 23:10:24 +0100
Subject: [PATCH] avfilter/vf_ciescope: set output frame duration

---
 libavfilter/vf_ciescope.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavfilter/vf_ciescope.c b/libavfilter/vf_ciescope.c
index 1af86f202c..eebb3af281 100644
--- a/libavfilter/vf_ciescope.c
+++ b/libavfilter/vf_ciescope.c
@@ -1407,6 +1407,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
         return AVERROR(ENOMEM);
     }
     out->pts = in->pts;
+    out->duration = in->duration;
 
     if (!s->background) {
         ret = draw_background(ctx);