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

diff --git a/vp9/encoder/vp9_firstpass.c b/vp9/encoder/vp9_firstpass.c
index 812c1314857359d060e18b0c0f11b72d745b74ed..395ce20086e24a9e0ec749b7dd75d3ee106c8de9 100644 (file)
--- 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;