From bbfeefc7abf7b42b38ba911bcbce9220522a1db0 Mon Sep 17 00:00:00 2001
From: John Koleszar <jkoleszar@google.com>
Date: Wed, 16 Jun 2010 12:27:52 -0400
Subject: [PATCH] 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
---
vpx_scale/generic/gen_scalers.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/vpx_scale/generic/gen_scalers.c b/vpx_scale/generic/gen_scalers.c
index 948e3d7ae8..ff841f33dd 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;
--
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