diff options
Diffstat (limited to 'apps/codecs/libcook/libavutil/intreadwrite.h')
-rw-r--r-- | apps/codecs/libcook/libavutil/intreadwrite.h | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/apps/codecs/libcook/libavutil/intreadwrite.h b/apps/codecs/libcook/libavutil/intreadwrite.h new file mode 100644 index 0000000000..7c5909ea51 --- /dev/null +++ b/apps/codecs/libcook/libavutil/intreadwrite.h | |||
@@ -0,0 +1,192 @@ | |||
1 | /* | ||
2 | * This file is part of FFmpeg. | ||
3 | * | ||
4 | * FFmpeg is free software; you can redistribute it and/or | ||
5 | * modify it under the terms of the GNU Lesser General Public | ||
6 | * License as published by the Free Software Foundation; either | ||
7 | * version 2.1 of the License, or (at your option) any later version. | ||
8 | * | ||
9 | * FFmpeg is distributed in the hope that it will be useful, | ||
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
12 | * Lesser General Public License for more details. | ||
13 | * | ||
14 | * You should have received a copy of the GNU Lesser General Public | ||
15 | * License along with FFmpeg; if not, write to the Free Software | ||
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
17 | */ | ||
18 | |||
19 | #ifndef AVUTIL_INTREADWRITE_H | ||
20 | #define AVUTIL_INTREADWRITE_H | ||
21 | |||
22 | #include <stdint.h> | ||
23 | #include "config.h" | ||
24 | #include "bswap.h" | ||
25 | |||
26 | #ifdef __GNUC__ | ||
27 | |||
28 | struct unaligned_64 { uint64_t l; } __attribute__((packed)); | ||
29 | struct unaligned_32 { uint32_t l; } __attribute__((packed)); | ||
30 | struct unaligned_16 { uint16_t l; } __attribute__((packed)); | ||
31 | |||
32 | #define AV_RN16(a) (((const struct unaligned_16 *) (a))->l) | ||
33 | #define AV_RN32(a) (((const struct unaligned_32 *) (a))->l) | ||
34 | #define AV_RN64(a) (((const struct unaligned_64 *) (a))->l) | ||
35 | |||
36 | #define AV_WN16(a, b) (((struct unaligned_16 *) (a))->l) = (b) | ||
37 | #define AV_WN32(a, b) (((struct unaligned_32 *) (a))->l) = (b) | ||
38 | #define AV_WN64(a, b) (((struct unaligned_64 *) (a))->l) = (b) | ||
39 | |||
40 | #elif defined(__DECC) | ||
41 | |||
42 | #define AV_RN16(a) (*((const __unaligned uint16_t*)(a))) | ||
43 | #define AV_RN32(a) (*((const __unaligned uint32_t*)(a))) | ||
44 | #define AV_RN64(a) (*((const __unaligned uint64_t*)(a))) | ||
45 | |||
46 | #define AV_WN16(a, b) *((__unaligned uint16_t*)(a)) = (b) | ||
47 | #define AV_WN32(a, b) *((__unaligned uint32_t*)(a)) = (b) | ||
48 | #define AV_WN64(a, b) *((__unaligned uint64_t*)(a)) = (b) | ||
49 | |||
50 | #else | ||
51 | |||
52 | #define AV_RN16(a) (*((const uint16_t*)(a))) | ||
53 | #define AV_RN32(a) (*((const uint32_t*)(a))) | ||
54 | #define AV_RN64(a) (*((const uint64_t*)(a))) | ||
55 | |||
56 | #define AV_WN16(a, b) *((uint16_t*)(a)) = (b) | ||
57 | #define AV_WN32(a, b) *((uint32_t*)(a)) = (b) | ||
58 | #define AV_WN64(a, b) *((uint64_t*)(a)) = (b) | ||
59 | |||
60 | #endif /* !__GNUC__ */ | ||
61 | |||
62 | /* endian macros */ | ||
63 | #define AV_RB8(x) (((const uint8_t*)(x))[0]) | ||
64 | #define AV_WB8(p, d) do { ((uint8_t*)(p))[0] = (d); } while(0) | ||
65 | |||
66 | #define AV_RL8(x) AV_RB8(x) | ||
67 | #define AV_WL8(p, d) AV_WB8(p, d) | ||
68 | |||
69 | #if HAVE_FAST_UNALIGNED | ||
70 | # ifdef WORDS_BIGENDIAN | ||
71 | # define AV_RB16(x) AV_RN16(x) | ||
72 | # define AV_WB16(p, d) AV_WN16(p, d) | ||
73 | |||
74 | # define AV_RL16(x) bswap_16(AV_RN16(x)) | ||
75 | # define AV_WL16(p, d) AV_WN16(p, bswap_16(d)) | ||
76 | |||
77 | # define AV_RB32(x) AV_RN32(x) | ||
78 | # define AV_WB32(p, d) AV_WN32(p, d) | ||
79 | |||
80 | # define AV_RL32(x) bswap_32(AV_RN32(x)) | ||
81 | # define AV_WL32(p, d) AV_WN32(p, bswap_32(d)) | ||
82 | |||
83 | # define AV_RB64(x) AV_RN64(x) | ||
84 | # define AV_WB64(p, d) AV_WN64(p, d) | ||
85 | |||
86 | # define AV_RL64(x) bswap_64(AV_RN64(x)) | ||
87 | # define AV_WL64(p, d) AV_WN64(p, bswap_64(d)) | ||
88 | # else /* WORDS_BIGENDIAN */ | ||
89 | # define AV_RB16(x) bswap_16(AV_RN16(x)) | ||
90 | # define AV_WB16(p, d) AV_WN16(p, bswap_16(d)) | ||
91 | |||
92 | # define AV_RL16(x) AV_RN16(x) | ||
93 | # define AV_WL16(p, d) AV_WN16(p, d) | ||
94 | |||
95 | # define AV_RB32(x) bswap_32(AV_RN32(x)) | ||
96 | # define AV_WB32(p, d) AV_WN32(p, bswap_32(d)) | ||
97 | |||
98 | # define AV_RL32(x) AV_RN32(x) | ||
99 | # define AV_WL32(p, d) AV_WN32(p, d) | ||
100 | |||
101 | # define AV_RB64(x) bswap_64(AV_RN64(x)) | ||
102 | # define AV_WB64(p, d) AV_WN64(p, bswap_64(d)) | ||
103 | |||
104 | # define AV_RL64(x) AV_RN64(x) | ||
105 | # define AV_WL64(p, d) AV_WN64(p, d) | ||
106 | # endif | ||
107 | #else /* HAVE_FAST_UNALIGNED */ | ||
108 | #define AV_RB16(x) ((((const uint8_t*)(x))[0] << 8) | ((const uint8_t*)(x))[1]) | ||
109 | #define AV_WB16(p, d) do { \ | ||
110 | ((uint8_t*)(p))[1] = (d); \ | ||
111 | ((uint8_t*)(p))[0] = (d)>>8; } while(0) | ||
112 | |||
113 | #define AV_RL16(x) ((((const uint8_t*)(x))[1] << 8) | \ | ||
114 | ((const uint8_t*)(x))[0]) | ||
115 | #define AV_WL16(p, d) do { \ | ||
116 | ((uint8_t*)(p))[0] = (d); \ | ||
117 | ((uint8_t*)(p))[1] = (d)>>8; } while(0) | ||
118 | |||
119 | #define AV_RB32(x) ((((const uint8_t*)(x))[0] << 24) | \ | ||
120 | (((const uint8_t*)(x))[1] << 16) | \ | ||
121 | (((const uint8_t*)(x))[2] << 8) | \ | ||
122 | ((const uint8_t*)(x))[3]) | ||
123 | #define AV_WB32(p, d) do { \ | ||
124 | ((uint8_t*)(p))[3] = (d); \ | ||
125 | ((uint8_t*)(p))[2] = (d)>>8; \ | ||
126 | ((uint8_t*)(p))[1] = (d)>>16; \ | ||
127 | ((uint8_t*)(p))[0] = (d)>>24; } while(0) | ||
128 | |||
129 | #define AV_RL32(x) ((((const uint8_t*)(x))[3] << 24) | \ | ||
130 | (((const uint8_t*)(x))[2] << 16) | \ | ||
131 | (((const uint8_t*)(x))[1] << 8) | \ | ||
132 | ((const uint8_t*)(x))[0]) | ||
133 | #define AV_WL32(p, d) do { \ | ||
134 | ((uint8_t*)(p))[0] = (d); \ | ||
135 | ((uint8_t*)(p))[1] = (d)>>8; \ | ||
136 | ((uint8_t*)(p))[2] = (d)>>16; \ | ||
137 | ((uint8_t*)(p))[3] = (d)>>24; } while(0) | ||
138 | |||
139 | #define AV_RB64(x) (((uint64_t)((const uint8_t*)(x))[0] << 56) | \ | ||
140 | ((uint64_t)((const uint8_t*)(x))[1] << 48) | \ | ||
141 | ((uint64_t)((const uint8_t*)(x))[2] << 40) | \ | ||
142 | ((uint64_t)((const uint8_t*)(x))[3] << 32) | \ | ||
143 | ((uint64_t)((const uint8_t*)(x))[4] << 24) | \ | ||
144 | ((uint64_t)((const uint8_t*)(x))[5] << 16) | \ | ||
145 | ((uint64_t)((const uint8_t*)(x))[6] << 8) | \ | ||
146 | (uint64_t)((const uint8_t*)(x))[7]) | ||
147 | #define AV_WB64(p, d) do { \ | ||
148 | ((uint8_t*)(p))[7] = (d); \ | ||
149 | ((uint8_t*)(p))[6] = (d)>>8; \ | ||
150 | ((uint8_t*)(p))[5] = (d)>>16; \ | ||
151 | ((uint8_t*)(p))[4] = (d)>>24; \ | ||
152 | ((uint8_t*)(p))[3] = (d)>>32; \ | ||
153 | ((uint8_t*)(p))[2] = (d)>>40; \ | ||
154 | ((uint8_t*)(p))[1] = (d)>>48; \ | ||
155 | ((uint8_t*)(p))[0] = (d)>>56; } while(0) | ||
156 | |||
157 | #define AV_RL64(x) (((uint64_t)((const uint8_t*)(x))[7] << 56) | \ | ||
158 | ((uint64_t)((const uint8_t*)(x))[6] << 48) | \ | ||
159 | ((uint64_t)((const uint8_t*)(x))[5] << 40) | \ | ||
160 | ((uint64_t)((const uint8_t*)(x))[4] << 32) | \ | ||
161 | ((uint64_t)((const uint8_t*)(x))[3] << 24) | \ | ||
162 | ((uint64_t)((const uint8_t*)(x))[2] << 16) | \ | ||
163 | ((uint64_t)((const uint8_t*)(x))[1] << 8) | \ | ||
164 | (uint64_t)((const uint8_t*)(x))[0]) | ||
165 | #define AV_WL64(p, d) do { \ | ||
166 | ((uint8_t*)(p))[0] = (d); \ | ||
167 | ((uint8_t*)(p))[1] = (d)>>8; \ | ||
168 | ((uint8_t*)(p))[2] = (d)>>16; \ | ||
169 | ((uint8_t*)(p))[3] = (d)>>24; \ | ||
170 | ((uint8_t*)(p))[4] = (d)>>32; \ | ||
171 | ((uint8_t*)(p))[5] = (d)>>40; \ | ||
172 | ((uint8_t*)(p))[6] = (d)>>48; \ | ||
173 | ((uint8_t*)(p))[7] = (d)>>56; } while(0) | ||
174 | #endif /* HAVE_FAST_UNALIGNED */ | ||
175 | |||
176 | #define AV_RB24(x) ((((const uint8_t*)(x))[0] << 16) | \ | ||
177 | (((const uint8_t*)(x))[1] << 8) | \ | ||
178 | ((const uint8_t*)(x))[2]) | ||
179 | #define AV_WB24(p, d) do { \ | ||
180 | ((uint8_t*)(p))[2] = (d); \ | ||
181 | ((uint8_t*)(p))[1] = (d)>>8; \ | ||
182 | ((uint8_t*)(p))[0] = (d)>>16; } while(0) | ||
183 | |||
184 | #define AV_RL24(x) ((((const uint8_t*)(x))[2] << 16) | \ | ||
185 | (((const uint8_t*)(x))[1] << 8) | \ | ||
186 | ((const uint8_t*)(x))[0]) | ||
187 | #define AV_WL24(p, d) do { \ | ||
188 | ((uint8_t*)(p))[0] = (d); \ | ||
189 | ((uint8_t*)(p))[1] = (d)>>8; \ | ||
190 | ((uint8_t*)(p))[2] = (d)>>16; } while(0) | ||
191 | |||
192 | #endif /* AVUTIL_INTREADWRITE_H */ | ||