aom/aom_dsp/variance.h

94 строки
3.6 KiB
C

/*
* 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_DSP_VARIANCE_H_
#define AOM_DSP_VARIANCE_H_
#include "./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_ptr, int b_stride);
typedef unsigned int (*aom_sad_avg_fn_t)(const uint8_t *a_ptr, int a_stride,
const uint8_t *b_ptr, 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_fn_t)(const uint8_t *a, int a_stride,
const uint8_t *b, int b_stride,
unsigned int *sad_array);
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);
#if CONFIG_AV1 && CONFIG_MOTION_VAR
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);
#endif // CONFIG_AV1 && CONFIG_MOTION_VAR
typedef unsigned int (*aom_subp_avg_variance_fn_t)(
const uint8_t *a_ptr, int a_stride, int xoffset, int yoffset,
const uint8_t *b_ptr, int b_stride, unsigned int *sse,
const uint8_t *second_pred);
#if CONFIG_AV1
typedef struct aom_variance_vtable {
aom_sad_fn_t sdf;
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_fn_t sdx3f;
aom_sad_multi_fn_t sdx8f;
aom_sad_multi_d_fn_t sdx4df;
#if CONFIG_MOTION_VAR
aom_obmc_sad_fn_t osdf;
aom_obmc_variance_fn_t ovf;
aom_obmc_subpixvariance_fn_t osvf;
#endif // CONFIG_MOTION_VAR
} aom_variance_fn_ptr_t;
#endif // CONFIG_AV1
#ifdef __cplusplus
} // extern "C"
#endif
#endif // AOM_DSP_VARIANCE_H_