1 /* Copyright (c) 2003-2008 Jean-Marc Valin
2 Copyright (c) 2007-2008 CSIRO
3 Copyright (c) 2007-2009 Xiph.Org Foundation
4 Written by Jean-Marc Valin */
5 /**
6 @file arch.h
7 @brief Various architecture definitions for CELT
8 */
9 /*
10 Redistribution and use in source and binary forms, with or without
11 modification, are permitted provided that the following conditions
12 are met:
13
14 - Redistributions of source code must retain the above copyright
15 notice, this list of conditions and the following disclaimer.
16
17 - Redistributions in binary form must reproduce the above copyright
18 notice, this list of conditions and the following disclaimer in the
19 documentation and/or other materials provided with the distribution.
20
21 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
25 OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
26 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
27 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
28 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
29 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
30 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
31 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33
34 #ifndef ARCH_H
35 #define ARCH_H
36
37 #include "opus_types.h"
38
39 # if !defined(__GNUC_PREREQ)
40 # if defined(__GNUC__)&&defined(__GNUC_MINOR__)
41 # define __GNUC_PREREQ(_maj,_min) \
42 ((__GNUC__<<16)+__GNUC_MINOR__>=((_maj)<<16)+(_min))
43 # else
44 # define __GNUC_PREREQ(_maj,_min) 0
45 # endif
46 # endif
47
48 #define CELT_SIG_SCALE 32768.f
49
50 #define celt_fatal(str) _celt_fatal(str, __FILE__, __LINE__);
51 #ifdef ENABLE_ASSERTIONS
52 #include <stdio.h>
53 #include <stdlib.h>
54 #ifdef __GNUC__
55 __attribute__((noreturn))
56 #endif
_celt_fatal(const char * str,const char * file,int line)57 static inline void _celt_fatal(const char *str, const char *file, int line)
58 {
59 fprintf (stderr, "Fatal (internal) error in %s, line %d: %s\n", file, line, str);
60 abort();
61 }
62 #define celt_assert(cond) {if (!(cond)) {celt_fatal("assertion failed: " #cond);}}
63 #define celt_assert2(cond, message) {if (!(cond)) {celt_fatal("assertion failed: " #cond "\n" message);}}
64 #else
65 #define celt_assert(cond)
66 #define celt_assert2(cond, message)
67 #endif
68
69 #define IMUL32(a,b) ((a)*(b))
70
71 #define ABS(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute integer value. */
72 #define ABS16(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute 16-bit value. */
73 #define MIN16(a,b) ((a) < (b) ? (a) : (b)) /**< Minimum 16-bit value. */
74 #define MAX16(a,b) ((a) > (b) ? (a) : (b)) /**< Maximum 16-bit value. */
75 #define ABS32(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute 32-bit value. */
76 #define MIN32(a,b) ((a) < (b) ? (a) : (b)) /**< Minimum 32-bit value. */
77 #define MAX32(a,b) ((a) > (b) ? (a) : (b)) /**< Maximum 32-bit value. */
78 #define IMIN(a,b) ((a) < (b) ? (a) : (b)) /**< Minimum int value. */
79 #define IMAX(a,b) ((a) > (b) ? (a) : (b)) /**< Maximum int value. */
80 #define UADD32(a,b) ((a)+(b))
81 #define USUB32(a,b) ((a)-(b))
82
83 #define PRINT_MIPS(file)
84
85 #ifdef FIXED_POINT
86
87 typedef opus_int16 opus_val16;
88 typedef opus_int32 opus_val32;
89
90 typedef opus_val32 celt_sig;
91 typedef opus_val16 celt_norm;
92 typedef opus_val32 celt_ener;
93
94 #define Q15ONE 32767
95
96 #define SIG_SHIFT 12
97
98 #define NORM_SCALING 16384
99
100 #define DB_SHIFT 10
101
102 #define EPSILON 1
103 #define VERY_SMALL 0
104 #define VERY_LARGE16 ((opus_val16)32767)
105 #define Q15_ONE ((opus_val16)32767)
106
107 #define SCALEIN(a) (a)
108 #define SCALEOUT(a) (a)
109
110 #ifdef FIXED_DEBUG
111 #include "fixed_debug.h"
112 #else
113
114 #include "fixed_generic.h"
115
116 #ifdef ARMv5E_ASM
117 #include "arm/fixed_armv5e.h"
118 #elif defined (ARMv4_ASM)
119 #include "arm/fixed_armv4.h"
120 #elif defined (BFIN_ASM)
121 #include "fixed_bfin.h"
122 #elif defined (TI_C5X_ASM)
123 #include "fixed_c5x.h"
124 #elif defined (TI_C6X_ASM)
125 #include "fixed_c6x.h"
126 #endif
127
128 #endif
129
130 #else /* FIXED_POINT */
131
132 typedef float opus_val16;
133 typedef float opus_val32;
134
135 typedef float celt_sig;
136 typedef float celt_norm;
137 typedef float celt_ener;
138
139 #define Q15ONE 1.0f
140
141 #define NORM_SCALING 1.f
142
143 #define EPSILON 1e-15f
144 #define VERY_SMALL 1e-30f
145 #define VERY_LARGE16 1e15f
146 #define Q15_ONE ((opus_val16)1.f)
147
148 #define QCONST16(x,bits) (x)
149 #define QCONST32(x,bits) (x)
150
151 #define NEG16(x) (-(x))
152 #define NEG32(x) (-(x))
153 #define EXTRACT16(x) (x)
154 #define EXTEND32(x) (x)
155 #define SHR16(a,shift) (a)
156 #define SHL16(a,shift) (a)
157 #define SHR32(a,shift) (a)
158 #define SHL32(a,shift) (a)
159 #define PSHR32(a,shift) (a)
160 #define VSHR32(a,shift) (a)
161
162 #define PSHR(a,shift) (a)
163 #define SHR(a,shift) (a)
164 #define SHL(a,shift) (a)
165 #define SATURATE(x,a) (x)
166 #define SATURATE16(x) (x)
167
168 #define ROUND16(a,shift) (a)
169 #define HALF16(x) (.5f*(x))
170 #define HALF32(x) (.5f*(x))
171
172 #define ADD16(a,b) ((a)+(b))
173 #define SUB16(a,b) ((a)-(b))
174 #define ADD32(a,b) ((a)+(b))
175 #define SUB32(a,b) ((a)-(b))
176 #define MULT16_16_16(a,b) ((a)*(b))
177 #define MULT16_16(a,b) ((opus_val32)(a)*(opus_val32)(b))
178 #define MAC16_16(c,a,b) ((c)+(opus_val32)(a)*(opus_val32)(b))
179
180 #define MULT16_32_Q15(a,b) ((a)*(b))
181 #define MULT16_32_Q16(a,b) ((a)*(b))
182
183 #define MULT32_32_Q31(a,b) ((a)*(b))
184
185 #define MAC16_32_Q15(c,a,b) ((c)+(a)*(b))
186
187 #define MULT16_16_Q11_32(a,b) ((a)*(b))
188 #define MULT16_16_Q11(a,b) ((a)*(b))
189 #define MULT16_16_Q13(a,b) ((a)*(b))
190 #define MULT16_16_Q14(a,b) ((a)*(b))
191 #define MULT16_16_Q15(a,b) ((a)*(b))
192 #define MULT16_16_P15(a,b) ((a)*(b))
193 #define MULT16_16_P13(a,b) ((a)*(b))
194 #define MULT16_16_P14(a,b) ((a)*(b))
195 #define MULT16_32_P16(a,b) ((a)*(b))
196
197 #define DIV32_16(a,b) (((opus_val32)(a))/(opus_val16)(b))
198 #define DIV32(a,b) (((opus_val32)(a))/(opus_val32)(b))
199
200 #define SCALEIN(a) ((a)*CELT_SIG_SCALE)
201 #define SCALEOUT(a) ((a)*(1/CELT_SIG_SCALE))
202
203 #endif /* !FIXED_POINT */
204
205 #ifndef GLOBAL_STACK_SIZE
206 #ifdef FIXED_POINT
207 #define GLOBAL_STACK_SIZE 100000
208 #else
209 #define GLOBAL_STACK_SIZE 100000
210 #endif
211 #endif
212
213 #endif /* ARCH_H */
214