From 7109e26d04a90b718ad2ed635e0aeb35b011abd7 Mon Sep 17 00:00:00 2001
From: D G Turner
Date: Thu, 5 Apr 2012 12:50:36 +0100
Subject: VIDEO: Workaround for out of buffer accesses in SVQ1 codec.

This is a temporary workaround during development.
Keyframe (I) decoding is now working correctly, but Deltaframe (P) is
still giving corrupted output...
---
 video/codecs/svq1.cpp | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'video/codecs')

diff --git a/video/codecs/svq1.cpp b/video/codecs/svq1.cpp
index 5ef45c25a1..f19625bf64 100644
--- a/video/codecs/svq1.cpp
+++ b/video/codecs/svq1.cpp
@@ -283,9 +283,11 @@ const Graphics::Surface *SVQ1Decoder::decodeImage(Common::SeekableReadStream *st
 	}
 
 	byte *current[3];
-	current[0] = new byte[_width*_height];
-	current[1] = new byte[(_width/4)*(_height/4)];
-	current[2] = new byte[(_width/4)*(_height/4)];
+	// FIXME - Added extra _width of 16px blocks to stop out of
+	//         range access causing crashes. Need to correct code...
+	current[0] = new byte[_width*_height +(_width*16)];
+	current[1] = new byte[(_width/4)*(_height/4) +(_width/4*16)];
+	current[2] = new byte[(_width/4)*(_height/4) +(_width/4*16)];
 
 	// Decode Y, U and V component planes
 	for (int i = 0; i < 3; i++) {
-- 
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