From 19c701fac86ba069461b5ca1c572467f492c4f57 Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Wed, 5 Oct 2022 11:11:08 +0200
Subject: lavfi/vf_tinterlace: set frame durations

This filter is supposed to produce CFR output.
---
 libavfilter/vf_tinterlace.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'libavfilter')

diff --git a/libavfilter/vf_tinterlace.c b/libavfilter/vf_tinterlace.c
index 399adc102d..7c54861de4 100644
--- a/libavfilter/vf_tinterlace.c
+++ b/libavfilter/vf_tinterlace.c
@@ -510,6 +510,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *picref)
     }
 
     out->pts = av_rescale_q(out->pts, tinterlace->preout_time_base, outlink->time_base);
+    out->duration = av_rescale_q(1, av_inv_q(outlink->frame_rate), outlink->time_base);
     ret = ff_filter_frame(outlink, out);
 
     return ret;
-- 
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