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_32 || 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