From 5efaf00029489202b0d42cfedb484ecfc925a639 Mon Sep 17 00:00:00 2001
From: Peter Schlaile <peter@schlaile.de>
Date: Thu, 20 Dec 2007 10:08:36 +0000
Subject: [PATCH] Make sure strides have positive values before converting.
 Patch by Peter Schlaile: peter schlaile de

Originally committed as revision 25467 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
---
 libswscale/swscale.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libswscale/swscale.c b/libswscale/swscale.c
index 8f3670ef18..00d90a67e4 100644
--- a/libswscale/swscale.c
+++ b/libswscale/swscale.c
@@ -1681,7 +1681,7 @@ static int rgb2rgbWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int sr
 
     if(conv)
     {
-        if (dstStride[0]*srcBpp == srcStride[0]*dstBpp)
+        if (dstStride[0]*srcBpp == srcStride[0]*dstBpp && srcStride[0] > 0)
             conv(src[0], dst[0] + dstStride[0]*srcSliceY, srcSliceH*srcStride[0]);
         else
         {