chromium/third_party/libaom/source/libaom/aom_dsp/variance.h

/*
 * 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 …
#define FILTER_WEIGHT …

aom_sad_fn_t;

aom_sad_avg_fn_t;

aom_copy32xn_fn_t;

aom_sad_multi_d_fn_t;

aom_variance_fn_t;

aom_subpixvariance_fn_t;

aom_subp_avg_variance_fn_t;

aom_dist_wtd_sad_avg_fn_t;

aom_dist_wtd_subp_avg_variance_fn_t;

aom_masked_sad_fn_t;
aom_masked_subpixvariance_fn_t;

aom_obmc_sad_fn_t;
aom_obmc_variance_fn_t;
aom_obmc_subpixvariance_fn_t;

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_