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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 
     12 #ifndef VP8_COMMON_VARIANCE_H_
     13 #define VP8_COMMON_VARIANCE_H_
     14 
     15 #include "vpx_config.h"
     16 
     17 #ifdef __cplusplus
     18 extern "C" {
     19 #endif
     20 
     21 typedef unsigned int(*vp8_sad_fn_t)(
     22     const unsigned char *src_ptr,
     23     int source_stride,
     24     const unsigned char *ref_ptr,
     25     int ref_stride,
     26     unsigned int max_sad);
     27 
     28 typedef void (*vp8_copy32xn_fn_t)(
     29     const unsigned char *src_ptr,
     30     int source_stride,
     31     const unsigned char *ref_ptr,
     32     int ref_stride,
     33     int n);
     34 
     35 typedef void (*vp8_sad_multi_fn_t)(
     36     const unsigned char *src_ptr,
     37     int source_stride,
     38     const unsigned char *ref_ptr,
     39     int  ref_stride,
     40     unsigned int *sad_array);
     41 
     42 typedef void (*vp8_sad_multi1_fn_t)
     43     (
     44      const unsigned char *src_ptr,
     45      int source_stride,
     46      const unsigned char *ref_ptr,
     47      int  ref_stride,
     48      unsigned short *sad_array
     49     );
     50 
     51 typedef void (*vp8_sad_multi_d_fn_t)
     52     (
     53      const unsigned char *src_ptr,
     54      int source_stride,
     55      const unsigned char * const ref_ptr[],
     56      int  ref_stride,
     57      unsigned int *sad_array
     58     );
     59 
     60 typedef unsigned int (*vp8_variance_fn_t)
     61     (
     62      const unsigned char *src_ptr,
     63      int source_stride,
     64      const unsigned char *ref_ptr,
     65      int  ref_stride,
     66      unsigned int *sse
     67     );
     68 
     69 typedef unsigned int (*vp8_subpixvariance_fn_t)
     70     (
     71       const unsigned char  *src_ptr,
     72       int  source_stride,
     73       int  xoffset,
     74       int  yoffset,
     75       const unsigned char *ref_ptr,
     76       int Refstride,
     77       unsigned int *sse
     78     );
     79 
     80 typedef void (*vp8_ssimpf_fn_t)
     81       (
     82         unsigned char *s,
     83         int sp,
     84         unsigned char *r,
     85         int rp,
     86         unsigned long *sum_s,
     87         unsigned long *sum_r,
     88         unsigned long *sum_sq_s,
     89         unsigned long *sum_sq_r,
     90         unsigned long *sum_sxr
     91       );
     92 
     93 typedef unsigned int (*vp8_getmbss_fn_t)(const short *);
     94 
     95 typedef unsigned int (*vp8_get16x16prederror_fn_t)
     96     (
     97      const unsigned char *src_ptr,
     98      int source_stride,
     99      const unsigned char *ref_ptr,
    100      int  ref_stride
    101     );
    102 
    103 typedef struct variance_vtable
    104 {
    105     vp8_sad_fn_t            sdf;
    106     vp8_variance_fn_t       vf;
    107     vp8_subpixvariance_fn_t svf;
    108     vp8_variance_fn_t       svf_halfpix_h;
    109     vp8_variance_fn_t       svf_halfpix_v;
    110     vp8_variance_fn_t       svf_halfpix_hv;
    111     vp8_sad_multi_fn_t      sdx3f;
    112     vp8_sad_multi1_fn_t     sdx8f;
    113     vp8_sad_multi_d_fn_t    sdx4df;
    114 #if ARCH_X86 || ARCH_X86_64
    115     vp8_copy32xn_fn_t       copymem;
    116 #endif
    117 } vp8_variance_fn_ptr_t;
    118 
    119 #ifdef __cplusplus
    120 }  // extern "C"
    121 #endif
    122 
    123 #endif  // VP8_COMMON_VARIANCE_H_
    124