From d85e18e6e342bf58f8e13a95f601082e5d70803a Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Sat, 2 Apr 2011 20:26:39 +0200
Subject: [PATCH] yadif: Fix assert() failure

Signed-off-by: Anton Khirnov <anton@khirnov.net>
---
 libavfilter/vf_yadif.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavfilter/vf_yadif.c b/libavfilter/vf_yadif.c
index 7a488d6..0396fe4 100644
--- a/libavfilter/vf_yadif.c
+++ b/libavfilter/vf_yadif.c
@@ -274,7 +274,7 @@ static int poll_frame(AVFilterLink *link)
             return ret;
         val = avfilter_poll_frame(link->src->inputs[0]);
     }
-    assert(yadif->next);
+    assert(yadif->next || !val);
 
     return val * ((yadif->mode&1)+1);
 }
-- 
2.7.4