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/*
* Copyright (c) 2016, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#ifndef AOM_AOM_DSP_VARIANCE_H_
#define AOM_AOM_DSP_VARIANCE_H_
#include "config/aom_config.h"
#include "aom/aom_integer.h"
#ifdef __cplusplus
extern "C" {
#endif
#define FILTER_BITS 7
#define FILTER_WEIGHT 128
typedef unsigned int (*aom_sad_fn_t)(const uint8_t *a, int a_stride,
const uint8_t *b, int b_stride);
typedef unsigned int (*aom_sad_avg_fn_t)(const uint8_t *a, int a_stride,
const uint8_t *b, int b_stride,
const uint8_t *second_pred);
typedef void (*aom_copy32xn_fn_t)(const uint8_t *a, int a_stride, uint8_t *b,
int b_stride, int n);
typedef void (*aom_sad_multi_d_fn_t)(const uint8_t *a, int a_stride,
const uint8_t *const b_array[],
int b_stride, unsigned int *sad_array);
typedef unsigned int (*aom_variance_fn_t)(const uint8_t *a, int a_stride,
const uint8_t *b, int b_stride,
unsigned int *sse);
typedef unsigned int (*aom_subpixvariance_fn_t)(const uint8_t *a, int a_stride,
int xoffset, int yoffset,
const uint8_t *b, int b_stride,
unsigned int *sse);
typedef unsigned int (*aom_subp_avg_variance_fn_t)(
const uint8_t *a, int a_stride, int xoffset, int yoffset, const uint8_t *b,
int b_stride, unsigned int *sse, const uint8_t *second_pred);
typedef unsigned int (*aom_dist_wtd_sad_avg_fn_t)(
const uint8_t *a, int a_stride, const uint8_t *b, int b_stride,
const uint8_t *second_pred, const DIST_WTD_COMP_PARAMS *jcp_param);
typedef unsigned int (*aom_dist_wtd_subp_avg_variance_fn_t)(
const uint8_t *a, int a_stride, int xoffset, int yoffset, const uint8_t *b,
int b_stride, unsigned int *sse, const uint8_t *second_pred,
const DIST_WTD_COMP_PARAMS *jcp_param);
typedef unsigned int (*aom_masked_sad_fn_t)(const uint8_t *src, int src_stride,
const uint8_t *ref, int ref_stride,
const uint8_t *second_pred,
const uint8_t *msk, int msk_stride,
int invert_mask);
typedef unsigned int (*aom_masked_subpixvariance_fn_t)(
const uint8_t *src, int src_stride, int xoffset, int yoffset,
const uint8_t *ref, int ref_stride, const uint8_t *second_pred,
const uint8_t *msk, int msk_stride, int invert_mask, unsigned int *sse);
typedef unsigned int (*aom_obmc_sad_fn_t)(const uint8_t *pred, int pred_stride,
const int32_t *wsrc,
const int32_t *msk);
typedef unsigned int (*aom_obmc_variance_fn_t)(const uint8_t *pred,
int pred_stride,
const int32_t *wsrc,
const int32_t *msk,
unsigned int *sse);
typedef unsigned int (*aom_obmc_subpixvariance_fn_t)(
const uint8_t *pred, int pred_stride, int xoffset, int yoffset,
const int32_t *wsrc, const int32_t *msk, unsigned int *sse);
typedef struct aom_variance_vtable {
aom_sad_fn_t sdf;
// Same as normal sad, but downsample the rows by a factor of 2.
aom_sad_fn_t sdsf;
aom_sad_avg_fn_t sdaf;
aom_variance_fn_t vf;
aom_subpixvariance_fn_t svf;
aom_subp_avg_variance_fn_t svaf;
aom_sad_multi_d_fn_t sdx4df;
aom_sad_multi_d_fn_t sdx3df;
// Same as sadx4, but downsample the rows by a factor of 2.
aom_sad_multi_d_fn_t sdsx4df;
aom_masked_sad_fn_t msdf;
aom_masked_subpixvariance_fn_t msvf;
aom_obmc_sad_fn_t osdf;
aom_obmc_variance_fn_t ovf;
aom_obmc_subpixvariance_fn_t osvf;
aom_dist_wtd_sad_avg_fn_t jsdaf;
aom_dist_wtd_subp_avg_variance_fn_t jsvaf;
} aom_variance_fn_ptr_t;
void aom_highbd_var_filter_block2d_bil_first_pass(
const uint8_t *src_ptr8, uint16_t *output_ptr,
unsigned int src_pixels_per_line, int pixel_step,
unsigned int output_height, unsigned int output_width,
const uint8_t *filter);
void aom_highbd_var_filter_block2d_bil_second_pass(
const uint16_t *src_ptr, uint16_t *output_ptr,
unsigned int src_pixels_per_line, unsigned int pixel_step,
unsigned int output_height, unsigned int output_width,
const uint8_t *filter);
uint32_t aom_sse_odd_size(const uint8_t *a, int a_stride, const uint8_t *b,
int b_stride, int w, int h);
uint64_t aom_highbd_sse_odd_size(const uint8_t *a, int a_stride,
const uint8_t *b, int b_stride, int w, int h);
#ifdef __cplusplus
} // extern "C"
#endif
#endif // AOM_AOM_DSP_VARIANCE_H_
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