src/third_party/libvpx/source/libvpx/vp9/encoder/vp9_variance.h

   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 *a, int a_stride,
  21               const uint8_t *b, int b_stride,
  22               int  w, int  h,
  23               unsigned int *sse, int *sum);
  24
  25 #if CONFIG_VP9_HIGHBITDEPTH
  26 void highbd_variance(const uint8_t *a8, int a_stride,
  27                      const uint8_t *b8, int b_stride,
  28                      int w, int h,
  29                      unsigned int *sse, int *sum);
  30
  31 void highbd_10_variance(const uint8_t *a8, int a_stride,
  32                         const uint8_t *b8, int b_stride,
  33                         int w, int h,
  34                         unsigned int *sse, int *sum);
  35
  36 void highbd_12_variance(const uint8_t *a8, int a_stride,
  37                         const uint8_t *b8, int b_stride,
  38                         int w, int h,
  39                         unsigned int *sse, int *sum);
  40 #endif
  41
  42 typedef unsigned int(*vp9_sad_fn_t)(const uint8_t *src_ptr,
  43                                     int source_stride,
  44                                     const uint8_t *ref_ptr,
  45                                     int ref_stride);
  46
  47 typedef unsigned int(*vp9_sad_avg_fn_t)(const uint8_t *src_ptr,
  48                                         int source_stride,
  49                                         const uint8_t *ref_ptr,
  50                                         int ref_stride,
  51                                         const uint8_t *second_pred);
  52
  53 typedef void (*vp9_sad_multi_fn_t)(const uint8_t *src_ptr,
  54                                    int source_stride,
  55                                    const uint8_t *ref_ptr,
  56                                    int  ref_stride,
  57                                    unsigned int *sad_array);
  58
  59 typedef void (*vp9_sad_multi_d_fn_t)(const uint8_t *src_ptr,
  60                                      int source_stride,
  61                                      const uint8_t* const ref_ptr[],
  62                                      int  ref_stride, unsigned int *sad_array);
  63
  64 typedef unsigned int (*vp9_variance_fn_t)(const uint8_t *src_ptr,
  65                                           int source_stride,
  66                                           const uint8_t *ref_ptr,
  67                                           int ref_stride,
  68                                           unsigned int *sse);
  69
  70 typedef unsigned int (*vp9_subpixvariance_fn_t)(const uint8_t *src_ptr,
  71                                                 int source_stride,
  72                                                 int xoffset,
  73                                                 int yoffset,
  74                                                 const uint8_t *ref_ptr,
  75                                                 int Refstride,
  76                                                 unsigned int *sse);
  77
  78 typedef unsigned int (*vp9_subp_avg_variance_fn_t)(const uint8_t *src_ptr,
  79                                                    int source_stride,
  80                                                    int xoffset,
  81                                                    int yoffset,
  82                                                    const uint8_t *ref_ptr,
  83                                                    int Refstride,
  84                                                    unsigned int *sse,
  85                                                    const uint8_t *second_pred);
  86
  87 typedef struct vp9_variance_vtable {
  88   vp9_sad_fn_t               sdf;
  89   vp9_sad_avg_fn_t           sdaf;
  90   vp9_variance_fn_t          vf;
  91   vp9_subpixvariance_fn_t    svf;
  92   vp9_subp_avg_variance_fn_t svaf;
  93   vp9_sad_multi_fn_t         sdx3f;
  94   vp9_sad_multi_fn_t         sdx8f;
  95   vp9_sad_multi_d_fn_t       sdx4df;
  96 } vp9_variance_fn_ptr_t;
  97
  98 void vp9_comp_avg_pred(uint8_t *comp_pred, const uint8_t *pred, int width,
  99                        int height, const uint8_t *ref, int ref_stride);
 100
 101 #if CONFIG_VP9_HIGHBITDEPTH
 102 void vp9_highbd_comp_avg_pred(uint16_t *comp_pred, const uint8_t *pred,
 103                               int width, int height,
 104                               const uint8_t *ref, int ref_stride);
 105 #endif
 106
 107 #ifdef __cplusplus
 108 }  // extern "C"
 109 #endif
 110
 111 #endif  // VP9_ENCODER_VP9_VARIANCE_H_