FFmpeg
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hpel_template.c
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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
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