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 #include "opus_defines.h"
39
40 # if !defined(__GNUC_PREREQ)
41 # if defined(__GNUC__)&&defined(__GNUC_MINOR__)
42 # define __GNUC_PREREQ(_maj,_min) \
43 ((__GNUC__<<16)+__GNUC_MINOR__>=((_maj)<<16)+(_min))
44 # else
45 # define __GNUC_PREREQ(_maj,_min) 0
46 # endif
47 # endif
48
49 #define CELT_SIG_SCALE 32768.f
50
51 #define celt_fatal(str) _celt_fatal(str, __FILE__, __LINE__);
52 #ifdef ENABLE_ASSERTIONS
53 #include <stdio.h>
54 #include <stdlib.h>
55 #ifdef __GNUC__
56 __attribute__((noreturn))
57 #endif
_celt_fatal(const char * str,const char * file,int line)58 static OPUS_INLINE void _celt_fatal(const char *str, const char *file, int line)
59 {
60 fprintf (stderr, "Fatal (internal) error in %s, line %d: %s\n", file, line, str);
61 abort();
62 }
63 #define celt_assert(cond) {if (!(cond)) {celt_fatal("assertion failed: " #cond);}}
64 #define celt_assert2(cond, message) {if (!(cond)) {celt_fatal("assertion failed: " #cond "\n" message);}}
65 #else
66 #define celt_assert(cond)
67 #define celt_assert2(cond, message)
68 #endif
69
70 #define IMUL32(a,b) ((a)*(b))
71
72 #define ABS(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute integer value. */
73 #define ABS16(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute 16-bit value. */
74 #define MIN16(a,b) ((a) < (b) ? (a) : (b)) /**< Minimum 16-bit value. */
75 #define MAX16(a,b) ((a) > (b) ? (a) : (b)) /**< Maximum 16-bit value. */
76 #define ABS32(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute 32-bit value. */
77 #define MIN32(a,b) ((a) < (b) ? (a) : (b)) /**< Minimum 32-bit value. */
78 #define MAX32(a,b) ((a) > (b) ? (a) : (b)) /**< Maximum 32-bit value. */
79 #define IMIN(a,b) ((a) < (b) ? (a) : (b)) /**< Minimum int value. */
80 #define IMAX(a,b) ((a) > (b) ? (a) : (b)) /**< Maximum int value. */
81 #define UADD32(a,b) ((a)+(b))
82 #define USUB32(a,b) ((a)-(b))
83
84 #define PRINT_MIPS(file)
85
86 #ifdef FIXED_POINT
87
88 typedef opus_int16 opus_val16;
89 typedef opus_int32 opus_val32;
90
91 typedef opus_val32 celt_sig;
92 typedef opus_val16 celt_norm;
93 typedef opus_val32 celt_ener;
94
95 #define Q15ONE 32767
96
97 #define SIG_SHIFT 12
98
99 #define NORM_SCALING 16384
100
101 #define DB_SHIFT 10
102
103 #define EPSILON 1
104 #define VERY_SMALL 0
105 #define VERY_LARGE16 ((opus_val16)32767)
106 #define Q15_ONE ((opus_val16)32767)
107
108 #define SCALEIN(a) (a)
109 #define SCALEOUT(a) (a)
110
111 #ifdef FIXED_DEBUG
112 #include "fixed_debug.h"
113 #else
114
115 #include "fixed_generic.h"
116
117 #ifdef OPUS_ARM_INLINE_EDSP
118 #include "arm/fixed_armv5e.h"
119 #elif defined (OPUS_ARM_INLINE_ASM)
120 #include "arm/fixed_armv4.h"
121 #elif defined (BFIN_ASM)
122 #include "fixed_bfin.h"
123 #elif defined (TI_C5X_ASM)
124 #include "fixed_c5x.h"
125 #elif defined (TI_C6X_ASM)
126 #include "fixed_c6x.h"
127 #endif
128
129 #endif
130
131 #else /* FIXED_POINT */
132
133 typedef float opus_val16;
134 typedef float opus_val32;
135
136 typedef float celt_sig;
137 typedef float celt_norm;
138 typedef float celt_ener;
139
140 #define Q15ONE 1.0f
141
142 #define NORM_SCALING 1.f
143
144 #define EPSILON 1e-15f
145 #define VERY_SMALL 1e-30f
146 #define VERY_LARGE16 1e15f
147 #define Q15_ONE ((opus_val16)1.f)
148
149 #define QCONST16(x,bits) (x)
150 #define QCONST32(x,bits) (x)
151
152 #define NEG16(x) (-(x))
153 #define NEG32(x) (-(x))
154 #define EXTRACT16(x) (x)
155 #define EXTEND32(x) (x)
156 #define SHR16(a,shift) (a)
157 #define SHL16(a,shift) (a)
158 #define SHR32(a,shift) (a)
159 #define SHL32(a,shift) (a)
160 #define PSHR32(a,shift) (a)
161 #define VSHR32(a,shift) (a)
162
163 #define PSHR(a,shift) (a)
164 #define SHR(a,shift) (a)
165 #define SHL(a,shift) (a)
166 #define SATURATE(x,a) (x)
167 #define SATURATE16(x) (x)
168
169 #define ROUND16(a,shift) (a)
170 #define HALF16(x) (.5f*(x))
171 #define HALF32(x) (.5f*(x))
172
173 #define ADD16(a,b) ((a)+(b))
174 #define SUB16(a,b) ((a)-(b))
175 #define ADD32(a,b) ((a)+(b))
176 #define SUB32(a,b) ((a)-(b))
177 #define MULT16_16_16(a,b) ((a)*(b))
178 #define MULT16_16(a,b) ((opus_val32)(a)*(opus_val32)(b))
179 #define MAC16_16(c,a,b) ((c)+(opus_val32)(a)*(opus_val32)(b))
180
181 #define MULT16_32_Q15(a,b) ((a)*(b))
182 #define MULT16_32_Q16(a,b) ((a)*(b))
183
184 #define MULT32_32_Q31(a,b) ((a)*(b))
185
186 #define MAC16_32_Q15(c,a,b) ((c)+(a)*(b))
187
188 #define MULT16_16_Q11_32(a,b) ((a)*(b))
189 #define MULT16_16_Q11(a,b) ((a)*(b))
190 #define MULT16_16_Q13(a,b) ((a)*(b))
191 #define MULT16_16_Q14(a,b) ((a)*(b))
192 #define MULT16_16_Q15(a,b) ((a)*(b))
193 #define MULT16_16_P15(a,b) ((a)*(b))
194 #define MULT16_16_P13(a,b) ((a)*(b))
195 #define MULT16_16_P14(a,b) ((a)*(b))
196 #define MULT16_32_P16(a,b) ((a)*(b))
197
198 #define DIV32_16(a,b) (((opus_val32)(a))/(opus_val16)(b))
199 #define DIV32(a,b) (((opus_val32)(a))/(opus_val32)(b))
200
201 #define SCALEIN(a) ((a)*CELT_SIG_SCALE)
202 #define SCALEOUT(a) ((a)*(1/CELT_SIG_SCALE))
203
204 #endif /* !FIXED_POINT */
205
206 #ifndef GLOBAL_STACK_SIZE
207 #ifdef FIXED_POINT
208 #define GLOBAL_STACK_SIZE 100000
209 #else
210 #define GLOBAL_STACK_SIZE 100000
211 #endif
212 #endif
213
214 #endif /* ARCH_H */
215