From 7b42036b3b23c85f473bf9369e37fa8da22eaf93 Mon Sep 17 00:00:00 2001
From: Nicolas George <nicolas.george@normalesup.org>
Date: Tue, 5 Jun 2012 12:32:57 +0200
Subject: lavfi: add a frame_rate field to AVFilterLink.

---
 libavfilter/avfilter.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'libavfilter/avfilter.c')

diff --git a/libavfilter/avfilter.c b/libavfilter/avfilter.c
index fb74f26dc2..dfa2d2b220 100644
--- a/libavfilter/avfilter.c
+++ b/libavfilter/avfilter.c
@@ -243,6 +243,9 @@ int avfilter_config_links(AVFilterContext *filter)
                     link->sample_aspect_ratio = inlink ?
                         inlink->sample_aspect_ratio : (AVRational){1,1};
 
+                if (inlink && !link->frame_rate.num && !link->frame_rate.den)
+                    link->frame_rate = inlink->frame_rate;
+
                 if (inlink) {
                     if (!link->w)
                         link->w = inlink->w;
-- 
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