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 FFmpeg.
6  *
7  * FFmpeg 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  * FFmpeg 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 FFmpeg; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
22 #include "libavutil/intreadwrite.h"
23 
24 #include "pixels.h"
25 
26 #include "bit_depth_template.c"
27 
28 #define DEF_HPEL(OPNAME, OP)                                            \
29 static inline void FUNC(OPNAME ## _pixels8_l2)(uint8_t *dst,            \
30                                                const uint8_t *src1,     \
31                                                const uint8_t *src2,     \
32                                                int dst_stride,          \
33                                                int src_stride1,         \
34                                                int src_stride2,         \
35                                                int h)                   \
36 {                                                                       \
37     int i;                                                              \
38     for (i = 0; i < h; i++) {                                           \
39         pixel4 a, b;                                                    \
40         a = AV_RN4P(&src1[i * src_stride1]);                            \
41         b = AV_RN4P(&src2[i * src_stride2]);                            \
42         OP(*((pixel4 *) &dst[i * dst_stride]), rnd_avg_pixel4(a, b));   \
43         a = AV_RN4P(&src1[i * src_stride1 + 4 * sizeof(pixel)]);        \
44         b = AV_RN4P(&src2[i * src_stride2 + 4 * sizeof(pixel)]);        \
45         OP(*((pixel4 *) &dst[i * dst_stride + 4 * sizeof(pixel)]),      \
46            rnd_avg_pixel4(a, b));                                       \
47     }                                                                   \
48 }                                                                       \
49                                                                         \
50 static inline void FUNC(OPNAME ## _pixels4_l2)(uint8_t *dst,            \
51                                                const uint8_t *src1,     \
52                                                const uint8_t *src2,     \
53                                                int dst_stride,          \
54                                                int src_stride1,         \
55                                                int src_stride2,         \
56                                                int h)                   \
57 {                                                                       \
58     int i;                                                              \
59     for (i = 0; i < h; i++) {                                           \
60         pixel4 a, b;                                                    \
61         a = AV_RN4P(&src1[i * src_stride1]);                            \
62         b = AV_RN4P(&src2[i * src_stride2]);                            \
63         OP(*((pixel4 *) &dst[i * dst_stride]), rnd_avg_pixel4(a, b));   \
64     }                                                                   \
65 }                                                                       \
66                                                                         \
67 static inline void FUNC(OPNAME ## _pixels2_l2)(uint8_t *dst,            \
68                                                const uint8_t *src1,     \
69                                                const uint8_t *src2,     \
70                                                int dst_stride,          \
71                                                int src_stride1,         \
72                                                int src_stride2,         \
73                                                int h)                   \
74 {                                                                       \
75     int i;                                                              \
76     for (i = 0; i < h; i++) {                                           \
77         pixel4 a, b;                                                    \
78         a = AV_RN2P(&src1[i * src_stride1]);                            \
79         b = AV_RN2P(&src2[i * src_stride2]);                            \
80         OP(*((pixel2 *) &dst[i * dst_stride]), rnd_avg_pixel4(a, b));   \
81     }                                                                   \
82 }                                                                       \
83                                                                         \
84 static inline void FUNC(OPNAME ## _pixels16_l2)(uint8_t *dst,           \
85                                                 const uint8_t *src1,    \
86                                                 const uint8_t *src2,    \
87                                                 int dst_stride,         \
88                                                 int src_stride1,        \
89                                                 int src_stride2,        \
90                                                 int h)                  \
91 {                                                                       \
92     FUNC(OPNAME ## _pixels8_l2)(dst, src1, src2, dst_stride,            \
93                                 src_stride1, src_stride2, h);           \
94     FUNC(OPNAME ## _pixels8_l2)(dst  + 8 * sizeof(pixel),               \
95                                 src1 + 8 * sizeof(pixel),               \
96                                 src2 + 8 * sizeof(pixel),               \
97                                 dst_stride, src_stride1,                \
98                                 src_stride2, h);                        \
99 }                                                                       \
100 
101 #define op_avg(a, b) a = rnd_avg_pixel4(a, b)
102 #define op_put(a, b) a = b
103 DEF_HPEL(avg, op_avg)
104 DEF_HPEL(put, op_put)
105 #undef op_avg
106 #undef op_put
107