From b3ade15a268ffdd4eea7fcbb2c0ecaca51e64294 Mon Sep 17 00:00:00 2001
From: Adrian Grange <agrange@google.com>
Date: Thu, 15 Dec 2011 12:27:38 -0800
Subject: [PATCH] Fixed stride bug in segmentation code

mode_info_context is padded with an additional column of data, so
mode_info_stride should be used to move between rows rather than
mb_cols.

Change-Id: I598559a2cd9df1c486d64aaeccf76b76a7ecf21c
---
 vp8/encoder/segmentation.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/vp8/encoder/segmentation.c b/vp8/encoder/segmentation.c
index 516a41554..9a89bc6e9 100644
--- a/vp8/encoder/segmentation.c
+++ b/vp8/encoder/segmentation.c
@@ -237,7 +237,7 @@ void choose_segmap_coding_method( VP8_COMP *cpi )
                 if (mb_row != 0)
                 {
                     pred_context +=
-                        (xd->mode_info_context-cm->mb_cols)->
+                        (xd->mode_info_context-cm->mode_info_stride)->
                         mbmi.seg_id_predicted;
                 }