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Add const qualifiers to variance/SAD functions.

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These functions should never change their input, and there's no
 reason not to declare that.
This allows them to be passed static const data.

Change-Id: Ia49fe4b01e80e9afcb24b4844817694d4da5995c
This commit is contained in:
Timothy B. Terriberry
2010-10-11 14:01:23 -07:00
committed by John Koleszar
parent 82c4339885
commit f4a8594492
6 changed files with 186 additions and 186 deletions
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24
vp8/encoder/variance.h
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@@ -15,9 +15,9 @@
#define prototype_sad(sym)\
unsigned int (sym)\
(\
unsigned char *src_ptr, \
const unsigned char *src_ptr, \
int source_stride, \
unsigned char *ref_ptr, \
const unsigned char *ref_ptr, \
int ref_stride, \
int max_sad\
)
@@ -25,9 +25,9 @@
#define prototype_sad_multi_same_address(sym)\
void (sym)\
(\
unsigned char *src_ptr, \
const unsigned char *src_ptr, \
int source_stride, \
unsigned char *ref_ptr, \
const unsigned char *ref_ptr, \
int ref_stride, \
unsigned int *sad_array\
)
@@ -35,7 +35,7 @@
#define prototype_sad_multi_dif_address(sym)\
void (sym)\
(\
unsigned char *src_ptr, \
const unsigned char *src_ptr, \
int source_stride, \
unsigned char *ref_ptr[4], \
int ref_stride, \
@@ -45,9 +45,9 @@
#define prototype_variance(sym) \
unsigned int (sym) \
(\
unsigned char *src_ptr, \
const unsigned char *src_ptr, \
int source_stride, \
unsigned char *ref_ptr, \
const unsigned char *ref_ptr, \
int ref_stride, \
unsigned int *sse\
)
@@ -55,9 +55,9 @@
#define prototype_variance2(sym) \
unsigned int (sym) \
(\
unsigned char *src_ptr, \
const unsigned char *src_ptr, \
int source_stride, \
unsigned char *ref_ptr, \
const unsigned char *ref_ptr, \
int ref_stride, \
unsigned int *sse,\
int *sum\
@@ -66,17 +66,17 @@
#define prototype_subpixvariance(sym) \
unsigned int (sym) \
( \
unsigned char *src_ptr, \
const unsigned char *src_ptr, \
int source_stride, \
int xoffset, \
int yoffset, \
unsigned char *ref_ptr, \
const unsigned char *ref_ptr, \
int Refstride, \
unsigned int *sse \
);
#define prototype_getmbss(sym) unsigned int (sym)(short *)
#define prototype_getmbss(sym) unsigned int (sym)(const short *)
#if ARCH_X86 || ARCH_X86_64
#include "x86/variance_x86.h"