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Diffstat (limited to 'apps/codecs/libwmapro/mathops.h')
-rw-r--r-- | apps/codecs/libwmapro/mathops.h | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/apps/codecs/libwmapro/mathops.h b/apps/codecs/libwmapro/mathops.h deleted file mode 100644 index f6555dda21..0000000000 --- a/apps/codecs/libwmapro/mathops.h +++ /dev/null | |||
@@ -1,136 +0,0 @@ | |||
1 | /* | ||
2 | * simple math operations | ||
3 | * Copyright (c) 2001, 2002 Fabrice Bellard | ||
4 | * Copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at> et al | ||
5 | * | ||
6 | * This file is part of FFmpeg. | ||
7 | * | ||
8 | * FFmpeg is free software; you can redistribute it and/or | ||
9 | * modify it under the terms of the GNU Lesser General Public | ||
10 | * License as published by the Free Software Foundation; either | ||
11 | * version 2.1 of the License, or (at your option) any later version. | ||
12 | * | ||
13 | * FFmpeg is distributed in the hope that it will be useful, | ||
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
16 | * Lesser General Public License for more details. | ||
17 | * | ||
18 | * You should have received a copy of the GNU Lesser General Public | ||
19 | * License along with FFmpeg; if not, write to the Free Software | ||
20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
21 | */ | ||
22 | #ifndef AVCODEC_MATHOPS_H | ||
23 | #define AVCODEC_MATHOPS_H | ||
24 | |||
25 | #include "libavutil/common.h" | ||
26 | |||
27 | /* generic implementation */ | ||
28 | |||
29 | #ifndef MULL | ||
30 | # define MULL(a,b,s) (((int64_t)(a) * (int64_t)(b)) >> (s)) | ||
31 | #endif | ||
32 | |||
33 | #ifndef MULH | ||
34 | //gcc 3.4 creates an incredibly bloated mess out of this | ||
35 | //# define MULH(a,b) (((int64_t)(a) * (int64_t)(b))>>32) | ||
36 | |||
37 | static av_always_inline int MULH(int a, int b){ | ||
38 | return ((int64_t)(a) * (int64_t)(b))>>32; | ||
39 | } | ||
40 | #endif | ||
41 | |||
42 | #ifndef UMULH | ||
43 | static av_always_inline unsigned UMULH(unsigned a, unsigned b){ | ||
44 | return ((uint64_t)(a) * (uint64_t)(b))>>32; | ||
45 | } | ||
46 | #endif | ||
47 | |||
48 | #ifndef MUL64 | ||
49 | # define MUL64(a,b) ((int64_t)(a) * (int64_t)(b)) | ||
50 | #endif | ||
51 | |||
52 | #ifndef MAC64 | ||
53 | # define MAC64(d, a, b) ((d) += MUL64(a, b)) | ||
54 | #endif | ||
55 | |||
56 | #ifndef MLS64 | ||
57 | # define MLS64(d, a, b) ((d) -= MUL64(a, b)) | ||
58 | #endif | ||
59 | |||
60 | /* signed 16x16 -> 32 multiply add accumulate */ | ||
61 | #ifndef MAC16 | ||
62 | # define MAC16(rt, ra, rb) rt += (ra) * (rb) | ||
63 | #endif | ||
64 | |||
65 | /* signed 16x16 -> 32 multiply */ | ||
66 | #ifndef MUL16 | ||
67 | # define MUL16(ra, rb) ((ra) * (rb)) | ||
68 | #endif | ||
69 | |||
70 | #ifndef MLS16 | ||
71 | # define MLS16(rt, ra, rb) ((rt) -= (ra) * (rb)) | ||
72 | #endif | ||
73 | |||
74 | /* median of 3 */ | ||
75 | #ifndef mid_pred | ||
76 | #define mid_pred mid_pred | ||
77 | static inline av_const int mid_pred(int a, int b, int c) | ||
78 | { | ||
79 | #if 0 | ||
80 | int t= (a-b)&((a-b)>>31); | ||
81 | a-=t; | ||
82 | b+=t; | ||
83 | b-= (b-c)&((b-c)>>31); | ||
84 | b+= (a-b)&((a-b)>>31); | ||
85 | |||
86 | return b; | ||
87 | #else | ||
88 | if(a>b){ | ||
89 | if(c>b){ | ||
90 | if(c>a) b=a; | ||
91 | else b=c; | ||
92 | } | ||
93 | }else{ | ||
94 | if(b>c){ | ||
95 | if(c>a) b=c; | ||
96 | else b=a; | ||
97 | } | ||
98 | } | ||
99 | return b; | ||
100 | #endif | ||
101 | } | ||
102 | #endif | ||
103 | |||
104 | #ifndef sign_extend | ||
105 | static inline av_const int sign_extend(int val, unsigned bits) | ||
106 | { | ||
107 | return (val << (INT_BIT - bits)) >> (INT_BIT - bits); | ||
108 | } | ||
109 | #endif | ||
110 | |||
111 | #ifndef zero_extend | ||
112 | static inline av_const unsigned zero_extend(unsigned val, unsigned bits) | ||
113 | { | ||
114 | return (val << (INT_BIT - bits)) >> (INT_BIT - bits); | ||
115 | } | ||
116 | #endif | ||
117 | |||
118 | #ifndef COPY3_IF_LT | ||
119 | #define COPY3_IF_LT(x, y, a, b, c, d)\ | ||
120 | if ((y) < (x)) {\ | ||
121 | (x) = (y);\ | ||
122 | (a) = (b);\ | ||
123 | (c) = (d);\ | ||
124 | } | ||
125 | #endif | ||
126 | |||
127 | #ifndef NEG_SSR32 | ||
128 | # define NEG_SSR32(a,s) ((( int32_t)(a))>>(32-(s))) | ||
129 | #endif | ||
130 | |||
131 | #ifndef NEG_USR32 | ||
132 | # define NEG_USR32(a,s) (((uint32_t)(a))>>(32-(s))) | ||
133 | #endif | ||
134 | |||
135 | #endif /* AVCODEC_MATHOPS_H */ | ||
136 | |||