From 8b97ae64841ed29db9c77db322890656cdc0d354 Mon Sep 17 00:00:00 2001
From: Luca Barbato <lu_zero@gentoo.org>
Date: Tue, 24 Apr 2012 22:13:02 -0700
Subject: [PATCH] avf: fix faulty check in has_duration

An invalid duration is AV_NOPTS_VALUE not 0.
---
 libavformat/utils.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/utils.c b/libavformat/utils.c
index bcdba8c5df..b167e96854 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -1823,7 +1823,7 @@ static int has_duration(AVFormatContext *ic)
         if (st->duration != AV_NOPTS_VALUE)
             return 1;
     }
-    if (ic->duration)
+    if (ic->duration != AV_NOPTS_VALUE)
         return 1;
     return 0;
 }