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/*
* 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 VP8_COMMON_VARIANCE_H_
#define VP8_COMMON_VARIANCE_H_
#include "vpx_config.h"
#include "vpx/vpx_integer.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef unsigned int(*vpx_sad_fn_t)(
const uint8_t *src_ptr,
int source_stride,
const uint8_t *ref_ptr,
int ref_stride);
typedef void (*vp8_copy32xn_fn_t)(
const unsigned char *src_ptr,
int source_stride,
unsigned char *ref_ptr,
int ref_stride,
int n);
typedef void (*vpx_sad_multi_fn_t)(
const unsigned char *src_ptr,
int source_stride,
const unsigned char *ref_array,
int ref_stride,
unsigned int *sad_array);
typedef void (*vpx_sad_multi_d_fn_t)
(
const unsigned char *src_ptr,
int source_stride,
const unsigned char * const ref_array[],
int ref_stride,
unsigned int *sad_array
);
typedef unsigned int (*vpx_variance_fn_t)
(
const unsigned char *src_ptr,
int source_stride,
const unsigned char *ref_ptr,
int ref_stride,
unsigned int *sse
);
typedef unsigned int (*vp8_subpixvariance_fn_t)
(
const unsigned char *src_ptr,
int source_stride,
int xoffset,
int yoffset,
const unsigned char *ref_ptr,
int Refstride,
unsigned int *sse
);
typedef struct variance_vtable
{
vpx_sad_fn_t sdf;
vpx_variance_fn_t vf;
vp8_subpixvariance_fn_t svf;
vpx_variance_fn_t svf_halfpix_h;
vpx_variance_fn_t svf_halfpix_v;
vpx_variance_fn_t svf_halfpix_hv;
vpx_sad_multi_fn_t sdx3f;
vpx_sad_multi_fn_t sdx8f;
vpx_sad_multi_d_fn_t sdx4df;
#if ARCH_X86 || ARCH_X86_64
vp8_copy32xn_fn_t copymem;
#endif
} vp8_variance_fn_ptr_t;
#ifdef __cplusplus
} // extern "C"
#endif
#endif // VP8_COMMON_VARIANCE_H_
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