From: John Koleszar <jkoleszar@google.com>
Date: Wed, 16 Jun 2010 16:27:52 +0000 (-0400)
Subject: gen_scalers: fix 64-bit integer promotion bug
X-Git-Tag: 1.0_branch~1014^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=bbfeefc7abf7b42b38ba911bcbce9220522a1db0;p=profile%2Fivi%2Flibvpx.git

gen_scalers: fix 64-bit integer promotion bug

i needs to be treated as signed to get the proper indexing on 64-bit
platforms. This behavior was accidentally reverted when fixing an
unsigned/signed comparison warning.

Change-Id: Ic306d609bdc8de94c8f8ba29c6e45c736101a82e
---

diff --git a/vpx_scale/generic/gen_scalers.c b/vpx_scale/generic/gen_scalers.c
index 948e3d7..ff841f3 100644
--- a/vpx_scale/generic/gen_scalers.c
+++ b/vpx_scale/generic/gen_scalers.c
@@ -937,12 +937,13 @@ void vp8cx_vertical_band_2_1_scale_c(unsigned char *source, unsigned int src_pit
 
 void vp8cx_vertical_band_2_1_scale_i_c(unsigned char *source, unsigned int src_pitch, unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width)
 {
-    unsigned int i;
+    int i;
     int temp;
+    int width = dest_width;
 
     (void) dest_pitch;
 
-    for (i = 0; i < dest_width; i++)
+    for (i = 0; i < width; i++)
     {
         temp = 8;
         temp += source[i-(int)src_pitch] * 3;