hpel_template: K&R formatting cosmetics
[ffmpeg.git] / libavcodec / hpel_template.c
1 /*
2  * Copyright (c) 2000, 2001 Fabrice Bellard
3  * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
4  *
5  * This file is part of Libav.
6  *
7  * Libav is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * Libav is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with Libav; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21
22 #define DEF_HPEL(OPNAME, OP)                                            \
23 static inline void FUNCC(OPNAME ## _pixels2)(uint8_t *block,            \
24                                              const uint8_t *pixels,     \
25                                              ptrdiff_t line_size,       \
26                                              int h)                     \
27 {                                                                       \
28     int i;                                                              \
29     for (i = 0; i < h; i++) {                                           \
30         OP(*((pixel2 *) (block)), AV_RN2P(pixels));                     \
31         pixels += line_size;                                            \
32         block  += line_size;                                            \
33     }                                                                   \
34 }                                                                       \
35                                                                         \
36 static inline void FUNCC(OPNAME ## _pixels4)(uint8_t *block,            \
37                                              const uint8_t *pixels,     \
38                                              ptrdiff_t line_size,       \
39                                              int h)                     \
40 {                                                                       \
41     int i;                                                              \
42     for (i = 0; i < h; i++) {                                           \
43         OP(*((pixel4 *) (block)), AV_RN4P(pixels));                     \
44         pixels += line_size;                                            \
45         block  += line_size;                                            \
46     }                                                                   \
47 }                                                                       \
48                                                                         \
49 static inline void FUNCC(OPNAME ## _pixels8)(uint8_t *block,            \
50                                              const uint8_t *pixels,     \
51                                              ptrdiff_t line_size,       \
52                                              int h)                     \
53 {                                                                       \
54     int i;                                                              \
55     for (i = 0; i < h; i++) {                                           \
56         OP(*((pixel4 *) (block)), AV_RN4P(pixels));                     \
57         OP(*((pixel4 *) (block + 4 * sizeof(pixel))),                   \
58            AV_RN4P(pixels + 4 * sizeof(pixel)));                        \
59         pixels += line_size;                                            \
60         block  += line_size;                                            \
61     }                                                                   \
62 }                                                                       \
63                                                                         \
64 static inline void FUNC(OPNAME ## _pixels8_l2)(uint8_t *dst,            \
65                                                const uint8_t *src1,     \
66                                                const uint8_t *src2,     \
67                                                int dst_stride,          \
68                                                int src_stride1,         \
69                                                int src_stride2,         \
70                                                int h)                   \
71 {                                                                       \
72     int i;                                                              \
73     for (i = 0; i < h; i++) {                                           \
74         pixel4 a, b;                                                    \
75         a = AV_RN4P(&src1[i * src_stride1]);                            \
76         b = AV_RN4P(&src2[i * src_stride2]);                            \
77         OP(*((pixel4 *) &dst[i * dst_stride]), rnd_avg_pixel4(a, b));   \
78         a = AV_RN4P(&src1[i * src_stride1 + 4 * sizeof(pixel)]);        \
79         b = AV_RN4P(&src2[i * src_stride2 + 4 * sizeof(pixel)]);        \
80         OP(*((pixel4 *) &dst[i * dst_stride + 4 * sizeof(pixel)]),      \
81            rnd_avg_pixel4(a, b));                                       \
82     }                                                                   \
83 }                                                                       \
84                                                                         \
85 static inline void FUNC(OPNAME ## _pixels4_l2)(uint8_t *dst,            \
86                                                const uint8_t *src1,     \
87                                                const uint8_t *src2,     \
88                                                int dst_stride,          \
89                                                int src_stride1,         \
90                                                int src_stride2,         \
91                                                int h)                   \
92 {                                                                       \
93     int i;                                                              \
94     for (i = 0; i < h; i++) {                                           \
95         pixel4 a, b;                                                    \
96         a = AV_RN4P(&src1[i * src_stride1]);                            \
97         b = AV_RN4P(&src2[i * src_stride2]);                            \
98         OP(*((pixel4 *) &dst[i * dst_stride]), rnd_avg_pixel4(a, b));   \
99     }                                                                   \
100 }                                                                       \
101                                                                         \
102 static inline void FUNC(OPNAME ## _pixels2_l2)(uint8_t *dst,            \
103                                                const uint8_t *src1,     \
104                                                const uint8_t *src2,     \
105                                                int dst_stride,          \
106                                                int src_stride1,         \
107                                                int src_stride2,         \
108                                                int h)                   \
109 {                                                                       \
110     int i;                                                              \
111     for (i = 0; i < h; i++) {                                           \
112         pixel4 a, b;                                                    \
113         a = AV_RN2P(&src1[i * src_stride1]);                            \
114         b = AV_RN2P(&src2[i * src_stride2]);                            \
115         OP(*((pixel2 *) &dst[i * dst_stride]), rnd_avg_pixel4(a, b));   \
116     }                                                                   \
117 }                                                                       \
118                                                                         \
119 static inline void FUNC(OPNAME ## _pixels16_l2)(uint8_t *dst,           \
120                                                 const uint8_t *src1,    \
121                                                 const uint8_t *src2,    \
122                                                 int dst_stride,         \
123                                                 int src_stride1,        \
124                                                 int src_stride2,        \
125                                                 int h)                  \
126 {                                                                       \
127     FUNC(OPNAME ## _pixels8_l2)(dst, src1, src2, dst_stride,            \
128                                 src_stride1, src_stride2, h);           \
129     FUNC(OPNAME ## _pixels8_l2)(dst  + 8 * sizeof(pixel),               \
130                                 src1 + 8 * sizeof(pixel),               \
131                                 src2 + 8 * sizeof(pixel),               \
132                                 dst_stride, src_stride1,                \
133                                 src_stride2, h);                        \
134 }                                                                       \
135                                                                         \
136 CALL_2X_PIXELS(FUNCC(OPNAME ## _pixels16),                              \
137                FUNCC(OPNAME ## _pixels8),                               \
138                8 * sizeof(pixel))
139
140 #define op_avg(a, b) a = rnd_avg_pixel4(a, b)
141 #define op_put(a, b) a = b
142 DEF_HPEL(avg, op_avg)
143 DEF_HPEL(put, op_put)
144 #undef op_avg
145 #undef op_put