vpx/vp8/encoder/variance.h
Timothy B. Terriberry f4a8594492 Add const qualifiers to variance/SAD functions.
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
2010-10-12 08:40:54 -04:00

329 lines
8.9 KiB
C

/*
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef VARIANCE_H
#define VARIANCE_H
#define prototype_sad(sym)\
unsigned int (sym)\
(\
const unsigned char *src_ptr, \
int source_stride, \
const unsigned char *ref_ptr, \
int ref_stride, \
int max_sad\
)
#define prototype_sad_multi_same_address(sym)\
void (sym)\
(\
const unsigned char *src_ptr, \
int source_stride, \
const unsigned char *ref_ptr, \
int ref_stride, \
unsigned int *sad_array\
)
#define prototype_sad_multi_dif_address(sym)\
void (sym)\
(\
const unsigned char *src_ptr, \
int source_stride, \
unsigned char *ref_ptr[4], \
int ref_stride, \
unsigned int *sad_array\
)
#define prototype_variance(sym) \
unsigned int (sym) \
(\
const unsigned char *src_ptr, \
int source_stride, \
const unsigned char *ref_ptr, \
int ref_stride, \
unsigned int *sse\
)
#define prototype_variance2(sym) \
unsigned int (sym) \
(\
const unsigned char *src_ptr, \
int source_stride, \
const unsigned char *ref_ptr, \
int ref_stride, \
unsigned int *sse,\
int *sum\
)
#define prototype_subpixvariance(sym) \
unsigned int (sym) \
( \
const unsigned char *src_ptr, \
int source_stride, \
int xoffset, \
int yoffset, \
const unsigned char *ref_ptr, \
int Refstride, \
unsigned int *sse \
);
#define prototype_getmbss(sym) unsigned int (sym)(const short *)
#if ARCH_X86 || ARCH_X86_64
#include "x86/variance_x86.h"
#endif
#if ARCH_ARM
#include "arm/variance_arm.h"
#endif
#ifndef vp8_variance_sad4x4
#define vp8_variance_sad4x4 vp8_sad4x4_c
#endif
extern prototype_sad(vp8_variance_sad4x4);
#ifndef vp8_variance_sad8x8
#define vp8_variance_sad8x8 vp8_sad8x8_c
#endif
extern prototype_sad(vp8_variance_sad8x8);
#ifndef vp8_variance_sad8x16
#define vp8_variance_sad8x16 vp8_sad8x16_c
#endif
extern prototype_sad(vp8_variance_sad8x16);
#ifndef vp8_variance_sad16x8
#define vp8_variance_sad16x8 vp8_sad16x8_c
#endif
extern prototype_sad(vp8_variance_sad16x8);
#ifndef vp8_variance_sad16x16
#define vp8_variance_sad16x16 vp8_sad16x16_c
#endif
extern prototype_sad(vp8_variance_sad16x16);
//-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
#ifndef vp8_variance_sad16x16x3
#define vp8_variance_sad16x16x3 vp8_sad16x16x3_c
#endif
extern prototype_sad_multi_same_address(vp8_variance_sad16x16x3);
#ifndef vp8_variance_sad16x8x3
#define vp8_variance_sad16x8x3 vp8_sad16x8x3_c
#endif
extern prototype_sad_multi_same_address(vp8_variance_sad16x8x3);
#ifndef vp8_variance_sad8x8x3
#define vp8_variance_sad8x8x3 vp8_sad8x8x3_c
#endif
extern prototype_sad_multi_same_address(vp8_variance_sad8x8x3);
#ifndef vp8_variance_sad8x16x3
#define vp8_variance_sad8x16x3 vp8_sad8x16x3_c
#endif
extern prototype_sad_multi_same_address(vp8_variance_sad8x16x3);
#ifndef vp8_variance_sad4x4x3
#define vp8_variance_sad4x4x3 vp8_sad4x4x3_c
#endif
extern prototype_sad_multi_same_address(vp8_variance_sad4x4x3);
//-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
#ifndef vp8_variance_sad16x16x4d
#define vp8_variance_sad16x16x4d vp8_sad16x16x4d_c
#endif
extern prototype_sad_multi_dif_address(vp8_variance_sad16x16x4d);
#ifndef vp8_variance_sad16x8x4d
#define vp8_variance_sad16x8x4d vp8_sad16x8x4d_c
#endif
extern prototype_sad_multi_dif_address(vp8_variance_sad16x8x4d);
#ifndef vp8_variance_sad8x8x4d
#define vp8_variance_sad8x8x4d vp8_sad8x8x4d_c
#endif
extern prototype_sad_multi_dif_address(vp8_variance_sad8x8x4d);
#ifndef vp8_variance_sad8x16x4d
#define vp8_variance_sad8x16x4d vp8_sad8x16x4d_c
#endif
extern prototype_sad_multi_dif_address(vp8_variance_sad8x16x4d);
#ifndef vp8_variance_sad4x4x4d
#define vp8_variance_sad4x4x4d vp8_sad4x4x4d_c
#endif
extern prototype_sad_multi_dif_address(vp8_variance_sad4x4x4d);
//-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
#ifndef vp8_variance_var4x4
#define vp8_variance_var4x4 vp8_variance4x4_c
#endif
extern prototype_variance(vp8_variance_var4x4);
#ifndef vp8_variance_var8x8
#define vp8_variance_var8x8 vp8_variance8x8_c
#endif
extern prototype_variance(vp8_variance_var8x8);
#ifndef vp8_variance_var8x16
#define vp8_variance_var8x16 vp8_variance8x16_c
#endif
extern prototype_variance(vp8_variance_var8x16);
#ifndef vp8_variance_var16x8
#define vp8_variance_var16x8 vp8_variance16x8_c
#endif
extern prototype_variance(vp8_variance_var16x8);
#ifndef vp8_variance_var16x16
#define vp8_variance_var16x16 vp8_variance16x16_c
#endif
extern prototype_variance(vp8_variance_var16x16);
//-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
#ifndef vp8_variance_subpixvar4x4
#define vp8_variance_subpixvar4x4 vp8_sub_pixel_variance4x4_c
#endif
extern prototype_subpixvariance(vp8_variance_subpixvar4x4);
#ifndef vp8_variance_subpixvar8x8
#define vp8_variance_subpixvar8x8 vp8_sub_pixel_variance8x8_c
#endif
extern prototype_subpixvariance(vp8_variance_subpixvar8x8);
#ifndef vp8_variance_subpixvar8x16
#define vp8_variance_subpixvar8x16 vp8_sub_pixel_variance8x16_c
#endif
extern prototype_subpixvariance(vp8_variance_subpixvar8x16);
#ifndef vp8_variance_subpixvar16x8
#define vp8_variance_subpixvar16x8 vp8_sub_pixel_variance16x8_c
#endif
extern prototype_subpixvariance(vp8_variance_subpixvar16x8);
#ifndef vp8_variance_subpixvar16x16
#define vp8_variance_subpixvar16x16 vp8_sub_pixel_variance16x16_c
#endif
extern prototype_subpixvariance(vp8_variance_subpixvar16x16);
#ifndef vp8_variance_subpixmse16x16
#define vp8_variance_subpixmse16x16 vp8_sub_pixel_mse16x16_c
#endif
extern prototype_subpixvariance(vp8_variance_subpixmse16x16);
//-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
#ifndef vp8_variance_getmbss
#define vp8_variance_getmbss vp8_get_mb_ss_c
#endif
extern prototype_getmbss(vp8_variance_getmbss);
#ifndef vp8_variance_mse16x16
#define vp8_variance_mse16x16 vp8_mse16x16_c
#endif
extern prototype_variance(vp8_variance_mse16x16);
#ifndef vp8_variance_get16x16prederror
#define vp8_variance_get16x16prederror vp8_get16x16pred_error_c
#endif
extern prototype_sad(vp8_variance_get16x16prederror);
#ifndef vp8_variance_get8x8var
#define vp8_variance_get8x8var vp8_get8x8var_c
#endif
extern prototype_variance2(vp8_variance_get8x8var);
#ifndef vp8_variance_get16x16var
#define vp8_variance_get16x16var vp8_get16x16var_c
#endif
extern prototype_variance2(vp8_variance_get16x16var);
#ifndef vp8_variance_get4x4sse_cs
#define vp8_variance_get4x4sse_cs vp8_get4x4sse_cs_c
#endif
extern prototype_sad(vp8_variance_get4x4sse_cs);
typedef prototype_sad(*vp8_sad_fn_t);
typedef prototype_sad_multi_same_address(*vp8_sad_multi_fn_t);
typedef prototype_sad_multi_dif_address(*vp8_sad_multi_d_fn_t);
typedef prototype_variance(*vp8_variance_fn_t);
typedef prototype_variance2(*vp8_variance2_fn_t);
typedef prototype_subpixvariance(*vp8_subpixvariance_fn_t);
typedef prototype_getmbss(*vp8_getmbss_fn_t);
typedef struct
{
vp8_sad_fn_t sad4x4;
vp8_sad_fn_t sad8x8;
vp8_sad_fn_t sad8x16;
vp8_sad_fn_t sad16x8;
vp8_sad_fn_t sad16x16;
vp8_variance_fn_t var4x4;
vp8_variance_fn_t var8x8;
vp8_variance_fn_t var8x16;
vp8_variance_fn_t var16x8;
vp8_variance_fn_t var16x16;
vp8_subpixvariance_fn_t subpixvar4x4;
vp8_subpixvariance_fn_t subpixvar8x8;
vp8_subpixvariance_fn_t subpixvar8x16;
vp8_subpixvariance_fn_t subpixvar16x8;
vp8_subpixvariance_fn_t subpixvar16x16;
vp8_subpixvariance_fn_t subpixmse16x16;
vp8_getmbss_fn_t getmbss;
vp8_variance_fn_t mse16x16;
vp8_sad_fn_t get16x16prederror;
vp8_variance2_fn_t get8x8var;
vp8_variance2_fn_t get16x16var;
vp8_sad_fn_t get4x4sse_cs;
vp8_sad_multi_fn_t sad16x16x3;
vp8_sad_multi_fn_t sad16x8x3;
vp8_sad_multi_fn_t sad8x16x3;
vp8_sad_multi_fn_t sad8x8x3;
vp8_sad_multi_fn_t sad4x4x3;
vp8_sad_multi_d_fn_t sad16x16x4d;
vp8_sad_multi_d_fn_t sad16x8x4d;
vp8_sad_multi_d_fn_t sad8x16x4d;
vp8_sad_multi_d_fn_t sad8x8x4d;
vp8_sad_multi_d_fn_t sad4x4x4d;
} vp8_variance_rtcd_vtable_t;
typedef struct
{
vp8_sad_fn_t sdf;
vp8_sad_multi_fn_t sdx3f;
vp8_sad_multi_d_fn_t sdx4df;
vp8_variance_fn_t vf;
vp8_subpixvariance_fn_t svf;
} vp8_variance_fn_ptr_t;
#if CONFIG_RUNTIME_CPU_DETECT
#define VARIANCE_INVOKE(ctx,fn) (ctx)->fn
#else
#define VARIANCE_INVOKE(ctx,fn) vp8_variance_##fn
#endif
/* TODO: Determine if this USEBILINEAR flag is necessary. */
#define USEBILINEAR
#endif