From 88e8ec2e7ebeed4c0a06600569993659aa0c7dd1 Mon Sep 17 00:00:00 2001
From: David Schleef <ds@schleef.org>
Date: Wed, 17 Mar 2010 11:30:34 -0700
Subject: [PATCH] cog: Fix off-by-one in 444->420 conversion

Fixes #613160.
---
 ext/cog/cogvirtframe.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ext/cog/cogvirtframe.c b/ext/cog/cogvirtframe.c
index 93f3849329..33367939ee 100644
--- a/ext/cog/cogvirtframe.c
+++ b/ext/cog/cogvirtframe.c
@@ -1627,7 +1627,7 @@ convert_444_420_mpeg2 (CogFrame * frame, void *_dest, int component, int i)
       int j;
       int x;
 
-      for (j = 1; j < frame->components[component].width - 1; j++) {
+      for (j = 1; j < frame->components[component].width; j++) {
         x = 1 * src1[j * 2 - 1];
         x += 2 * src1[j * 2 + 0];
         x += 1 * src1[j * 2 + 1];