From 67f256fab47e04569266b055632d57bcb3aad0bc Mon Sep 17 00:00:00 2001
From: "wu@webrtc.org" <wu@webrtc.org@4adac7df-926f-26a2-2b94-8c16560cd09d>
Date: Mon, 18 Jun 2012 21:15:32 +0000
Subject: [PATCH] Use 32 as the alignment if possible in VP8 wrapper.

BUG=
TEST=

Review URL: https://webrtc-codereview.appspot.com/663004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@2420 4adac7df-926f-26a2-2b94-8c16560cd09d
---
 src/modules/video_coding/codecs/vp8/main/source/vp8.cc | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/modules/video_coding/codecs/vp8/main/source/vp8.cc b/src/modules/video_coding/codecs/vp8/main/source/vp8.cc
index 0ba60db45b..c5fa503bd5 100644
--- a/src/modules/video_coding/codecs/vp8/main/source/vp8.cc
+++ b/src/modules/video_coding/codecs/vp8/main/source/vp8.cc
@@ -972,9 +972,13 @@ VideoDecoder* VP8Decoder::Copy() {
   if (!ref_frame_) {
     ref_frame_ = new vpx_ref_frame_t;
 
+    unsigned int align = 1;
+    if (decoded_image_._width % 32 == 0) {
+      align = 32;
+    }
     if (!vpx_img_alloc(&ref_frame_->img,
                        static_cast<vpx_img_fmt_t>(image_format_),
-                       decoded_image_._width, decoded_image_._height, 1)) {
+                       decoded_image_._width, decoded_image_._height, align)) {
       assert(false);
       delete copy;
       return NULL;