From df1ca26038fadb5862839a9d19655453a4b91a46 Mon Sep 17 00:00:00 2001
From: Marco Gittler <marco@gitma.de>
Date: Mon, 9 May 2011 10:10:03 +0000
Subject: [PATCH] fix bug when no vpre= is set

svn path=/trunk/kdenlive/; revision=5574
---
 renderer/kdenlive_render.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/renderer/kdenlive_render.cpp b/renderer/kdenlive_render.cpp
index 128d17dd..4c25a213 100644
--- a/renderer/kdenlive_render.cpp
+++ b/renderer/kdenlive_render.cpp
@@ -63,7 +63,10 @@ int main(int argc, char **argv)
         QString dest = desturl.path();
         bool dualpass = false;
         bool doerase;
-        QString vpre=args.at(args.indexOf(QRegExp("vpre=.*")));
+        QString vpre;
+		int vprepos=args.indexOf(QRegExp("vpre=.*"));
+		if (vprepos>=0)
+			vpre=args.at(vprepos);
         QStringList vprelist=vpre.replace("vpre=","").split(",");
         if (vprelist.size()>0)
             args.replaceInStrings(QRegExp("^vpre=.*"),QString("vpre=").append(vprelist.at(0)));
-- 
2.39.2