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