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authorzecke <zecke>2005-04-20 20:29:45 (UTC)
committer zecke <zecke>2005-04-20 20:29:45 (UTC)
commita5044439757037640435a5800584d408a58c1bba (patch) (unidiff)
tree88ed1871b547f6721ca9dc75b66edd7dc670d830
parent95c6b8416211edcbb663c6ea27618da39c43af01 (diff)
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Add missing file
Diffstat (more/less context) (ignore whitespace changes)
-rw-r--r--noncore/multimedia/opieplayer2/bswap.h181
1 files changed, 181 insertions, 0 deletions
diff --git a/noncore/multimedia/opieplayer2/bswap.h b/noncore/multimedia/opieplayer2/bswap.h
new file mode 100644
index 0000000..fc159fb
--- a/dev/null
+++ b/noncore/multimedia/opieplayer2/bswap.h
@@ -0,0 +1,181 @@
1#ifndef __BSWAP_H__
2#define __BSWAP_H__
3
4#ifdef HAVE_BYTESWAP_H
5#include <byteswap.h>
6#else
7#include <inttypes.h>
8
9
10#ifdef ARCH_X86
11inline static unsigned short ByteSwap16(unsigned short x)
12{
13 __asm("xchgb %b0,%h0":
14 "=q" (x):
15 "0" (x));
16 return x;
17}
18#define bswap_16(x) ByteSwap16(x)
19
20inline static unsigned int ByteSwap32(unsigned int x)
21{
22#if __CPU__ > 386
23 __asm("bswap%0":
24 "=r" (x) :
25#else
26 __asm("xchgb%b0,%h0\n"
27 " rorl$16,%0\n"
28 " xchgb%b0,%h0":
29 "=q" (x) :
30#endif
31 "0" (x));
32 return x;
33}
34#define bswap_32(x) ByteSwap32(x)
35
36inline static unsigned long long int ByteSwap64(unsigned long long int x)
37{
38 register union { __extension__ unsigned long long int __ll;
39 unsigned long int __l[2]; } __x;
40 asm("xchgl%0,%1":
41 "=r"(__x.__l[0]),"=r"(__x.__l[1]):
42 "0"(bswap_32((unsigned long)x)),"1"(bswap_32((unsigned long)(x>>32))));
43 return __x.__ll;
44}
45#define bswap_64(x) ByteSwap64(x)
46
47#else
48
49#define bswap_16(x) (((x) & 0x00ff) << 8 | ((x) & 0xff00) >> 8)
50
51#define bswap_32(x) \
52 ((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >> 8) | \
53 (((x) & 0x0000ff00) << 8) | (((x) & 0x000000ff) << 24))
54
55#ifdef __GNUC__
56/* code from bits/byteswap.h (C) 1997, 1998 Free Software Foundation, Inc. */
57#define bswap_64(x) \
58 (__extension__ \
59 ({ union { __extension__ unsigned long long int __ll;\
60 unsigned long int __l[2]; } __w, __r; \
61 __w.__ll = (x); \
62 __r.__l[0] = bswap_32 (__w.__l[1]); \
63 __r.__l[1] = bswap_32 (__w.__l[0]); \
64 __r.__ll; }))
65#else
66#define bswap_64(x) \
67 ((((x) & 0xff00000000000000LL) >> 56) | \
68 (((x) & 0x00ff000000000000LL) >> 40) | \
69 (((x) & 0x0000ff0000000000LL) >> 24) | \
70 (((x) & 0x000000ff00000000LL) >> 8) | \
71 (((x) & 0x00000000ff000000LL) << 8) | \
72 (((x) & 0x0000000000ff0000LL) << 24) | \
73 (((x) & 0x000000000000ff00LL) << 40) | \
74 (((x) & 0x00000000000000ffLL) << 56))
75#endif /* !__GNUC__ */
76
77 #endif/* !ARCH_X86 */
78
79 #endif/* !HAVE_BYTESWAP_H */
80
81/* be2me ... BigEndian to MachineEndian */
82/* le2me ... LittleEndian to MachineEndian */
83
84#ifdef WORDS_BIGENDIAN
85#define be2me_16(x) (x)
86#define be2me_32(x) (x)
87#define be2me_64(x) (x)
88#define le2me_16(x) bswap_16(x)
89#define le2me_32(x) bswap_32(x)
90#define le2me_64(x) bswap_64(x)
91#else
92#define be2me_16(x) bswap_16(x)
93#define be2me_32(x) bswap_32(x)
94#define be2me_64(x) bswap_64(x)
95#define le2me_16(x) (x)
96#define le2me_32(x) (x)
97#define le2me_64(x) (x)
98#endif
99
100#define ABE_16(x) (be2me_16(*(uint16_t*)(x)))
101#define ABE_32(x) (be2me_32(*(uint32_t*)(x)))
102#define ABE_64(x) (be2me_64(*(uint64_t*)(x)))
103#define ALE_16(x) (le2me_16(*(uint16_t*)(x)))
104#define ALE_32(x) (le2me_32(*(uint32_t*)(x)))
105#define ALE_64(x) (le2me_64(*(uint64_t*)(x)))
106
107#ifdef ARCH_X86
108
109#define BE_16(x) ABE_16(x)
110#define BE_32(x) ABE_32(x)
111#define BE_64(x) ABE_64(x)
112#define LE_16(x) ALE_16(x)
113#define LE_32(x) ALE_32(x)
114#define LE_64(x) ALE_64(x)
115
116#else
117
118#define BE_16(x) ((((uint8_t*)(x))[0] << 8) | ((uint8_t*)(x))[1])
119#define BE_32(x) ((((uint8_t*)(x))[0] << 24) | \
120 (((uint8_t*)(x))[1] << 16) | \
121 (((uint8_t*)(x))[2] << 8) | \
122 ((uint8_t*)(x))[3])
123#define BE_64(x) ((uint64_t)(((uint8_t*)(x))[0] << 56) | \
124 (uint64_t)(((uint8_t*)(x))[1] << 48) | \
125 (uint64_t)(((uint8_t*)(x))[2] << 40) | \
126 (uint64_t)(((uint8_t*)(x))[3] << 32) | \
127 (uint64_t)(((uint8_t*)(x))[4] << 24) | \
128 (uint64_t)(((uint8_t*)(x))[5] << 16) | \
129 (uint64_t)(((uint8_t*)(x))[6] << 8) | \
130 (uint64_t)((uint8_t*)(x))[7])
131#define LE_16(x) ((((uint8_t*)(x))[1] << 8) | ((uint8_t*)(x))[0])
132#define LE_32(x) ((((uint8_t*)(x))[3] << 24) | \
133 (((uint8_t*)(x))[2] << 16) | \
134 (((uint8_t*)(x))[1] << 8) | \
135 ((uint8_t*)(x))[0])
136#define LE_64(x) ((uint64_t)(((uint8_t*)(x))[7] << 56) | \
137 (uint64_t)(((uint8_t*)(x))[6] << 48) | \
138 (uint64_t)(((uint8_t*)(x))[5] << 40) | \
139 (uint64_t)(((uint8_t*)(x))[4] << 32) | \
140 (uint64_t)(((uint8_t*)(x))[3] << 24) | \
141 (uint64_t)(((uint8_t*)(x))[2] << 16) | \
142 (uint64_t)(((uint8_t*)(x))[1] << 8) | \
143 (uint64_t)((uint8_t*)(x))[0])
144
145#endif /* !ARCH_X86 */
146
147#ifdef WORDS_BIGENDIAN
148#define ME_16(x) BE_16(x)
149#define ME_32(x) BE_32(x)
150#define ME_64(x) BE_64(x)
151#define AME_16(x) ABE_16(x)
152#define AME_32(x) ABE_32(x)
153#define AME_64(x) ABE_64(x)
154#else
155#define ME_16(x) LE_16(x)
156#define ME_32(x) LE_32(x)
157#define ME_64(x) LE_64(x)
158#define AME_16(x) ALE_16(x)
159#define AME_32(x) ALE_32(x)
160#define AME_64(x) ALE_64(x)
161#endif
162
163#define BE_FOURCC( ch0, ch1, ch2, ch3 ) \
164 ( (uint32_t)(unsigned char)(ch3) | \
165 ( (uint32_t)(unsigned char)(ch2) << 8 ) | \
166 ( (uint32_t)(unsigned char)(ch1) << 16 ) | \
167 ( (uint32_t)(unsigned char)(ch0) << 24 ) )
168
169#define LE_FOURCC( ch0, ch1, ch2, ch3 ) \
170 ( (uint32_t)(unsigned char)(ch0) | \
171 ( (uint32_t)(unsigned char)(ch1) << 8 ) | \
172 ( (uint32_t)(unsigned char)(ch2) << 16 ) | \
173 ( (uint32_t)(unsigned char)(ch3) << 24 ) )
174
175#ifdef WORDS_BIGENDIAN
176#define ME_FOURCC BE_FOURCC
177#else
178#define ME_FOURCC LE_FOURCC
179#endif
180
181#endif