From 6919e54c00b750cd3d9d756258d3677df52f96a9 Mon Sep 17 00:00:00 2001
From: Art Clarke <aclarke@vlideshow.com>
Date: Fri, 20 Jun 2008 07:27:44 +0000
Subject: [PATCH] Check if there is at least a stream before writing trailer.
 Patch by Art Clarke: aclarke vlideshow com

Originally committed as revision 13836 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavformat/utils.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/utils.c b/libavformat/utils.c
index 0f02ccf87b..e8cd86bcbc 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -2551,7 +2551,7 @@ int av_interleave_packet_per_dts(AVFormatContext *s, AVPacket *out, AVPacket *pk
         pktl= pktl->next;
     }
 
-    if(s->nb_streams == stream_count || (flush && stream_count)){
+    if(stream_count && (s->nb_streams == stream_count || flush)){
         pktl= s->packet_buffer;
         *out= pktl->pkt;