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authorMichael Giacomelli <giac2000@hotmail.com>2007-07-12 03:26:20 +0000
committerMichael Giacomelli <giac2000@hotmail.com>2007-07-12 03:26:20 +0000
commit9ac2756e944929a1833f3fd4d8212a1865fd2a8e (patch)
tree127cb6d72e96dcab6715ccde439e88b925e059ad
parent362f894a53c137439d57d049780aa1ae1203a887 (diff)
downloadrockbox-9ac2756e944929a1833f3fd4d8212a1865fd2a8e.tar.gz
rockbox-9ac2756e944929a1833f3fd4d8212a1865fd2a8e.zip
Fix the above by including all required files and updating SOURCES.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13860 a1c6a512-1295-4272-9138-f99709370657
-rw-r--r--apps/codecs/libwma/SOURCES2
-rw-r--r--apps/codecs/libwma/bswap.h129
2 files changed, 130 insertions, 1 deletions
diff --git a/apps/codecs/libwma/SOURCES b/apps/codecs/libwma/SOURCES
index 43b4831787..967577d0db 100644
--- a/apps/codecs/libwma/SOURCES
+++ b/apps/codecs/libwma/SOURCES
@@ -1,3 +1,3 @@
1wmadeci.c 1wmadeci.c
2wmafixed.c 2wmafixed.c
3bitstream.c \ No newline at end of file 3bitstream.c
diff --git a/apps/codecs/libwma/bswap.h b/apps/codecs/libwma/bswap.h
new file mode 100644
index 0000000000..460f7abd40
--- /dev/null
+++ b/apps/codecs/libwma/bswap.h
@@ -0,0 +1,129 @@
1/**
2 * @file bswap.h
3 * byte swap.
4 */
5
6#ifndef __BSWAP_H__
7#define __BSWAP_H__
8
9#ifdef HAVE_BYTESWAP_H
10#include <byteswap.h>
11#else
12
13#ifdef ARCH_X86
14static inline unsigned short ByteSwap16(unsigned short x)
15{
16 __asm("xchgb %b0,%h0" :
17 "=q" (x) :
18 "0" (x));
19 return x;
20}
21#define bswap_16(x) ByteSwap16(x)
22
23static inline unsigned int ByteSwap32(unsigned int x)
24{
25#if __CPU__ > 386
26 __asm("bswap %0":
27 "=r" (x) :
28#else
29 __asm("xchgb %b0,%h0\n"
30 " rorl $16,%0\n"
31 " xchgb %b0,%h0":
32 "=q" (x) :
33#endif
34 "0" (x));
35 return x;
36}
37#define bswap_32(x) ByteSwap32(x)
38
39static inline unsigned long long int ByteSwap64(unsigned long long int x)
40{
41 register union { __extension__ uint64_t __ll;
42 uint32_t __l[2]; } __x;
43 asm("xchgl %0,%1":
44 "=r"(__x.__l[0]),"=r"(__x.__l[1]):
45 "0"(bswap_32((unsigned long)x)),"1"(bswap_32((unsigned long)(x>>32))));
46 return __x.__ll;
47}
48#define bswap_64(x) ByteSwap64(x)
49
50#elif defined(ARCH_SH4)
51
52static inline uint16_t ByteSwap16(uint16_t x) {
53 __asm__("swap.b %0,%0":"=r"(x):"0"(x));
54 return x;
55}
56
57static inline uint32_t ByteSwap32(uint32_t x) {
58 __asm__(
59 "swap.b %0,%0\n"
60 "swap.w %0,%0\n"
61 "swap.b %0,%0\n"
62 :"=r"(x):"0"(x));
63 return x;
64}
65
66#define bswap_16(x) ByteSwap16(x)
67#define bswap_32(x) ByteSwap32(x)
68
69static inline uint64_t ByteSwap64(uint64_t x)
70{
71 union {
72 uint64_t ll;
73 struct {
74 uint32_t l,h;
75 } l;
76 } r;
77 r.l.l = bswap_32 (x);
78 r.l.h = bswap_32 (x>>32);
79 return r.ll;
80}
81#define bswap_64(x) ByteSwap64(x)
82
83#else
84
85#define bswap_16(x) (((x) & 0x00ff) << 8 | ((x) & 0xff00) >> 8)
86
87
88// code from bits/byteswap.h (C) 1997, 1998 Free Software Foundation, Inc.
89#define bswap_32(x) \
90 ((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >> 8) | \
91 (((x) & 0x0000ff00) << 8) | (((x) & 0x000000ff) << 24))
92
93static inline uint64_t ByteSwap64(uint64_t x)
94{
95 union {
96 uint64_t ll;
97 uint32_t l[2];
98 } w, r;
99 w.ll = x;
100 r.l[0] = bswap_32 (w.l[1]);
101 r.l[1] = bswap_32 (w.l[0]);
102 return r.ll;
103}
104#define bswap_64(x) ByteSwap64(x)
105
106#endif /* !ARCH_X86 */
107
108#endif /* !HAVE_BYTESWAP_H */
109
110// be2me ... BigEndian to MachineEndian
111// le2me ... LittleEndian to MachineEndian
112
113#ifdef WORDS_BIGENDIAN
114#define be2me_16(x) (x)
115#define be2me_32(x) (x)
116#define be2me_64(x) (x)
117#define le2me_16(x) bswap_16(x)
118#define le2me_32(x) bswap_32(x)
119#define le2me_64(x) bswap_64(x)
120#else
121#define be2me_16(x) bswap_16(x)
122#define be2me_32(x) bswap_32(x)
123#define be2me_64(x) bswap_64(x)
124#define le2me_16(x) (x)
125#define le2me_32(x) (x)
126#define le2me_64(x) (x)
127#endif
128
129#endif /* __BSWAP_H__ */