From e5034f65e54234d5ef6a99ddb405208c91bf812e Mon Sep 17 00:00:00 2001
From: Yaowu Xu <yaowu@google.com>
Date: Fri, 24 Jan 2014 11:34:41 -0800
Subject: [PATCH] Fixed integer overflow for large input video

The sum of squared mv components can go beyond int range for large
 input resolution. This commit changed the type to int64 to avoid
overflow.

Change-Id: Ib21ea2817845cea1435f893064e6417c79c5bc64
---
 vp9/encoder/vp9_firstpass.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/vp9/encoder/vp9_firstpass.c b/vp9/encoder/vp9_firstpass.c
index 812c13148..395ce2008 100644
--- a/vp9/encoder/vp9_firstpass.c
+++ b/vp9/encoder/vp9_firstpass.c
@@ -471,7 +471,7 @@ void vp9_first_pass(VP9_COMP *cpi) {
 
   int sum_mvr = 0, sum_mvc = 0;
   int sum_mvr_abs = 0, sum_mvc_abs = 0;
-  int sum_mvrs = 0, sum_mvcs = 0;
+  int64_t sum_mvrs = 0, sum_mvcs = 0;
   int mvcount = 0;
   int intercount = 0;
   int second_ref_count = 0;