blob: 03cda40f6948965f3666df20072e84477ae6de7b [file] [log] [blame]
Alexandre Lision744f7422013-09-25 11:39:37 -04001/* 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
57static 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
87typedef opus_int16 opus_val16;
88typedef opus_int32 opus_val32;
89
90typedef opus_val32 celt_sig;
91typedef opus_val16 celt_norm;
92typedef 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_LARGE16 ((opus_val16)32767)
104#define Q15_ONE ((opus_val16)32767)
105
106#define SCALEIN(a) (a)
107#define SCALEOUT(a) (a)
108
109#ifdef FIXED_DEBUG
110#include "fixed_debug.h"
111#else
112
113#include "fixed_generic.h"
114
115#ifdef ARM5E_ASM
116#include "fixed_arm5e.h"
117#elif defined (ARM4_ASM)
118#include "fixed_arm4.h"
119#elif defined (BFIN_ASM)
120#include "fixed_bfin.h"
121#elif defined (TI_C5X_ASM)
122#include "fixed_c5x.h"
123#elif defined (TI_C6X_ASM)
124#include "fixed_c6x.h"
125#endif
126
127#endif
128
129#else /* FIXED_POINT */
130
131typedef float opus_val16;
132typedef float opus_val32;
133
134typedef float celt_sig;
135typedef float celt_norm;
136typedef float celt_ener;
137
138#define Q15ONE 1.0f
139
140#define NORM_SCALING 1.f
141
142#define EPSILON 1e-15f
143#define VERY_LARGE16 1e15f
144#define Q15_ONE ((opus_val16)1.f)
145
146#define QCONST16(x,bits) (x)
147#define QCONST32(x,bits) (x)
148
149#define NEG16(x) (-(x))
150#define NEG32(x) (-(x))
151#define EXTRACT16(x) (x)
152#define EXTEND32(x) (x)
153#define SHR16(a,shift) (a)
154#define SHL16(a,shift) (a)
155#define SHR32(a,shift) (a)
156#define SHL32(a,shift) (a)
157#define PSHR32(a,shift) (a)
158#define VSHR32(a,shift) (a)
159
160#define PSHR(a,shift) (a)
161#define SHR(a,shift) (a)
162#define SHL(a,shift) (a)
163#define SATURATE(x,a) (x)
164
165#define ROUND16(a,shift) (a)
166#define HALF16(x) (.5f*(x))
167#define HALF32(x) (.5f*(x))
168
169#define ADD16(a,b) ((a)+(b))
170#define SUB16(a,b) ((a)-(b))
171#define ADD32(a,b) ((a)+(b))
172#define SUB32(a,b) ((a)-(b))
173#define MULT16_16_16(a,b) ((a)*(b))
174#define MULT16_16(a,b) ((opus_val32)(a)*(opus_val32)(b))
175#define MAC16_16(c,a,b) ((c)+(opus_val32)(a)*(opus_val32)(b))
176
177#define MULT16_32_Q15(a,b) ((a)*(b))
178#define MULT16_32_Q16(a,b) ((a)*(b))
179
180#define MULT32_32_Q31(a,b) ((a)*(b))
181
182#define MAC16_32_Q15(c,a,b) ((c)+(a)*(b))
183
184#define MULT16_16_Q11_32(a,b) ((a)*(b))
185#define MULT16_16_Q13(a,b) ((a)*(b))
186#define MULT16_16_Q14(a,b) ((a)*(b))
187#define MULT16_16_Q15(a,b) ((a)*(b))
188#define MULT16_16_P15(a,b) ((a)*(b))
189#define MULT16_16_P13(a,b) ((a)*(b))
190#define MULT16_16_P14(a,b) ((a)*(b))
191#define MULT16_32_P16(a,b) ((a)*(b))
192
193#define DIV32_16(a,b) (((opus_val32)(a))/(opus_val16)(b))
194#define DIV32(a,b) (((opus_val32)(a))/(opus_val32)(b))
195
196#define SCALEIN(a) ((a)*CELT_SIG_SCALE)
197#define SCALEOUT(a) ((a)*(1/CELT_SIG_SCALE))
198
199#endif /* !FIXED_POINT */
200
201#ifndef GLOBAL_STACK_SIZE
202#ifdef FIXED_POINT
203#define GLOBAL_STACK_SIZE 100000
204#else
205#define GLOBAL_STACK_SIZE 100000
206#endif
207#endif
208
209#endif /* ARCH_H */