From 96d4f745482c6003981015fd05d820fab91973a2 Mon Sep 17 00:00:00 2001
From: Paul B Mahol <onemda@gmail.com>
Date: Tue, 17 Jan 2023 15:39:05 +0100
Subject: [PATCH] avfilter/vsrc_mptestsrc: set video frame duration

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

diff --git a/libavfilter/vsrc_mptestsrc.c b/libavfilter/vsrc_mptestsrc.c
index 03073dcf5a..55b723af00 100644
--- a/libavfilter/vsrc_mptestsrc.c
+++ b/libavfilter/vsrc_mptestsrc.c
@@ -308,6 +308,7 @@ static int request_frame(AVFilterLink *outlink)
     if (!picref)
         return AVERROR(ENOMEM);
     picref->pts = test->pts++;
+    picref->duration = 1;
 
     // clean image
     for (i = 0; i < h; i++)