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      1 /*
      2  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
      3  *
      4  *  Use of this source code is governed by a BSD-style license
      5  *  that can be found in the LICENSE file in the root of the source
      6  *  tree. An additional intellectual property rights grant can be found
      7  *  in the file PATENTS.  All contributing project authors may
      8  *  be found in the AUTHORS file in the root of the source tree.
      9  */
     10 
     11 #ifndef VP9_ENCODER_VP9_VARIANCE_H_
     12 #define VP9_ENCODER_VP9_VARIANCE_H_
     13 
     14 #include "vpx/vpx_integer.h"
     15 
     16 #ifdef __cplusplus
     17 extern "C" {
     18 #endif
     19 
     20 void variance(const uint8_t *src_ptr,
     21               int  source_stride,
     22               const uint8_t *ref_ptr,
     23               int  recon_stride,
     24               int  w,
     25               int  h,
     26               unsigned int *sse,
     27               int *sum);
     28 
     29 typedef unsigned int(*vp9_sad_fn_t)(const uint8_t *src_ptr,
     30                                     int source_stride,
     31                                     const uint8_t *ref_ptr,
     32                                     int ref_stride,
     33                                     unsigned int max_sad);
     34 
     35 typedef unsigned int(*vp9_sad_avg_fn_t)(const uint8_t *src_ptr,
     36                                         int source_stride,
     37                                         const uint8_t *ref_ptr,
     38                                         int ref_stride,
     39                                         const uint8_t *second_pred,
     40                                         unsigned int max_sad);
     41 
     42 typedef void (*vp9_sad_multi_fn_t)(const uint8_t *src_ptr,
     43                                    int source_stride,
     44                                    const uint8_t *ref_ptr,
     45                                    int  ref_stride,
     46                                    unsigned int *sad_array);
     47 
     48 typedef void (*vp9_sad_multi1_fn_t)(const uint8_t *src_ptr,
     49                                     int source_stride,
     50                                     const uint8_t *ref_ptr,
     51                                     int  ref_stride,
     52                                     unsigned int *sad_array);
     53 
     54 typedef void (*vp9_sad_multi_d_fn_t)(const uint8_t *src_ptr,
     55                                      int source_stride,
     56                                      const uint8_t* const ref_ptr[],
     57                                      int  ref_stride, unsigned int *sad_array);
     58 
     59 typedef unsigned int (*vp9_variance_fn_t)(const uint8_t *src_ptr,
     60                                           int source_stride,
     61                                           const uint8_t *ref_ptr,
     62                                           int ref_stride,
     63                                           unsigned int *sse);
     64 
     65 typedef unsigned int (*vp9_subpixvariance_fn_t)(const uint8_t *src_ptr,
     66                                                 int source_stride,
     67                                                 int xoffset,
     68                                                 int yoffset,
     69                                                 const uint8_t *ref_ptr,
     70                                                 int Refstride,
     71                                                 unsigned int *sse);
     72 
     73 typedef unsigned int (*vp9_subp_avg_variance_fn_t)(const uint8_t *src_ptr,
     74                                                    int source_stride,
     75                                                    int xoffset,
     76                                                    int yoffset,
     77                                                    const uint8_t *ref_ptr,
     78                                                    int Refstride,
     79                                                    unsigned int *sse,
     80                                                    const uint8_t *second_pred);
     81 
     82 typedef unsigned int (*vp9_getmbss_fn_t)(const short *);
     83 
     84 typedef unsigned int (*vp9_get16x16prederror_fn_t)(const uint8_t *src_ptr,
     85                                                    int source_stride,
     86                                                    const uint8_t *ref_ptr,
     87                                                    int  ref_stride);
     88 
     89 typedef struct vp9_variance_vtable {
     90   vp9_sad_fn_t               sdf;
     91   vp9_sad_avg_fn_t           sdaf;
     92   vp9_variance_fn_t          vf;
     93   vp9_subpixvariance_fn_t    svf;
     94   vp9_subp_avg_variance_fn_t svaf;
     95   vp9_variance_fn_t          svf_halfpix_h;
     96   vp9_variance_fn_t          svf_halfpix_v;
     97   vp9_variance_fn_t          svf_halfpix_hv;
     98   vp9_sad_multi_fn_t         sdx3f;
     99   vp9_sad_multi1_fn_t        sdx8f;
    100   vp9_sad_multi_d_fn_t       sdx4df;
    101 } vp9_variance_fn_ptr_t;
    102 
    103 void vp9_comp_avg_pred(uint8_t *comp_pred, const uint8_t *pred, int width,
    104                        int height, const uint8_t *ref, int ref_stride);
    105 
    106 #ifdef __cplusplus
    107 }  // extern "C"
    108 #endif
    109 
    110 #endif  // VP9_ENCODER_VP9_VARIANCE_H_
    111