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variance.h (5438B)


      1 /*
      2 * Copyright (c) 2016, Alliance for Open Media. All rights reserved.
      3 *
      4 * This source code is subject to the terms of the BSD 2 Clause License and
      5 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
      6 * was not distributed with this source code in the LICENSE file, you can
      7 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
      8 * Media Patent License 1.0 was not distributed with this source code in the
      9 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
     10 */
     11 
     12 #ifndef AOM_AOM_DSP_VARIANCE_H_
     13 #define AOM_AOM_DSP_VARIANCE_H_
     14 
     15 #include "config/aom_config.h"
     16 
     17 #include "aom/aom_integer.h"
     18 
     19 #ifdef __cplusplus
     20 extern "C" {
     21 #endif
     22 
     23 #define FILTER_BITS 7
     24 #define FILTER_WEIGHT 128
     25 
     26 typedef unsigned int (*aom_sad_fn_t)(const uint8_t *a, int a_stride,
     27                                     const uint8_t *b, int b_stride);
     28 
     29 typedef unsigned int (*aom_sad_avg_fn_t)(const uint8_t *a, int a_stride,
     30                                         const uint8_t *b, int b_stride,
     31                                         const uint8_t *second_pred);
     32 
     33 typedef void (*aom_copy32xn_fn_t)(const uint8_t *a, int a_stride, uint8_t *b,
     34                                  int b_stride, int n);
     35 
     36 typedef void (*aom_sad_multi_d_fn_t)(const uint8_t *a, int a_stride,
     37                                     const uint8_t *const b_array[],
     38                                     int b_stride, unsigned int *sad_array);
     39 
     40 typedef unsigned int (*aom_variance_fn_t)(const uint8_t *a, int a_stride,
     41                                          const uint8_t *b, int b_stride,
     42                                          unsigned int *sse);
     43 
     44 typedef unsigned int (*aom_subpixvariance_fn_t)(const uint8_t *a, int a_stride,
     45                                                int xoffset, int yoffset,
     46                                                const uint8_t *b, int b_stride,
     47                                                unsigned int *sse);
     48 
     49 typedef unsigned int (*aom_subp_avg_variance_fn_t)(
     50    const uint8_t *a, int a_stride, int xoffset, int yoffset, const uint8_t *b,
     51    int b_stride, unsigned int *sse, const uint8_t *second_pred);
     52 
     53 typedef unsigned int (*aom_dist_wtd_sad_avg_fn_t)(
     54    const uint8_t *a, int a_stride, const uint8_t *b, int b_stride,
     55    const uint8_t *second_pred, const DIST_WTD_COMP_PARAMS *jcp_param);
     56 
     57 typedef unsigned int (*aom_dist_wtd_subp_avg_variance_fn_t)(
     58    const uint8_t *a, int a_stride, int xoffset, int yoffset, const uint8_t *b,
     59    int b_stride, unsigned int *sse, const uint8_t *second_pred,
     60    const DIST_WTD_COMP_PARAMS *jcp_param);
     61 
     62 typedef unsigned int (*aom_masked_sad_fn_t)(const uint8_t *src, int src_stride,
     63                                            const uint8_t *ref, int ref_stride,
     64                                            const uint8_t *second_pred,
     65                                            const uint8_t *msk, int msk_stride,
     66                                            int invert_mask);
     67 typedef unsigned int (*aom_masked_subpixvariance_fn_t)(
     68    const uint8_t *src, int src_stride, int xoffset, int yoffset,
     69    const uint8_t *ref, int ref_stride, const uint8_t *second_pred,
     70    const uint8_t *msk, int msk_stride, int invert_mask, unsigned int *sse);
     71 
     72 typedef unsigned int (*aom_obmc_sad_fn_t)(const uint8_t *pred, int pred_stride,
     73                                          const int32_t *wsrc,
     74                                          const int32_t *msk);
     75 typedef unsigned int (*aom_obmc_variance_fn_t)(const uint8_t *pred,
     76                                               int pred_stride,
     77                                               const int32_t *wsrc,
     78                                               const int32_t *msk,
     79                                               unsigned int *sse);
     80 typedef unsigned int (*aom_obmc_subpixvariance_fn_t)(
     81    const uint8_t *pred, int pred_stride, int xoffset, int yoffset,
     82    const int32_t *wsrc, const int32_t *msk, unsigned int *sse);
     83 
     84 typedef struct aom_variance_vtable {
     85  aom_sad_fn_t sdf;
     86  // Same as normal sad, but downsample the rows by a factor of 2.
     87  aom_sad_fn_t sdsf;
     88  aom_sad_avg_fn_t sdaf;
     89  aom_variance_fn_t vf;
     90  aom_subpixvariance_fn_t svf;
     91  aom_subp_avg_variance_fn_t svaf;
     92  aom_sad_multi_d_fn_t sdx4df;
     93  aom_sad_multi_d_fn_t sdx3df;
     94  // Same as sadx4, but downsample the rows by a factor of 2.
     95  aom_sad_multi_d_fn_t sdsx4df;
     96  aom_masked_sad_fn_t msdf;
     97  aom_masked_subpixvariance_fn_t msvf;
     98  aom_obmc_sad_fn_t osdf;
     99  aom_obmc_variance_fn_t ovf;
    100  aom_obmc_subpixvariance_fn_t osvf;
    101 } aom_variance_fn_ptr_t;
    102 
    103 void aom_highbd_var_filter_block2d_bil_first_pass(
    104    const uint8_t *src_ptr8, uint16_t *output_ptr,
    105    unsigned int src_pixels_per_line, int pixel_step,
    106    unsigned int output_height, unsigned int output_width,
    107    const uint8_t *filter);
    108 
    109 void aom_highbd_var_filter_block2d_bil_second_pass(
    110    const uint16_t *src_ptr, uint16_t *output_ptr,
    111    unsigned int src_pixels_per_line, unsigned int pixel_step,
    112    unsigned int output_height, unsigned int output_width,
    113    const uint8_t *filter);
    114 
    115 uint32_t aom_sse_odd_size(const uint8_t *a, int a_stride, const uint8_t *b,
    116                          int b_stride, int w, int h);
    117 
    118 uint64_t aom_highbd_sse_odd_size(const uint8_t *a, int a_stride,
    119                                 const uint8_t *b, int b_stride, int w, int h);
    120 
    121 #ifdef __cplusplus
    122 }  // extern "C"
    123 #endif
    124 
    125 #endif  // AOM_AOM_DSP_VARIANCE_H_