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1/* Copyright (C) 2003 Jean-Marc Valin */
2/**
3 @file arch.h
4 @brief Various architecture definitions Speex
5*/
6/*
7 Redistribution and use in source and binary forms, with or without
8 modification, are permitted provided that the following conditions
9 are met:
10
11 - Redistributions of source code must retain the above copyright
12 notice, this list of conditions and the following disclaimer.
13
14 - Redistributions in binary form must reproduce the above copyright
15 notice, this list of conditions and the following disclaimer in the
16 documentation and/or other materials provided with the distribution.
17
18 - Neither the name of the Xiph.org Foundation nor the names of its
19 contributors may be used to endorse or promote products derived from
20 this software without specific prior written permission.
21
22 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23 ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
25 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
26 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
27 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
28 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
29 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
30 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
31 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
32 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33*/
34
35#ifndef ARCH_H
36#define ARCH_H
37
38#include "config-speex.h"
39
40#ifndef SPEEX_VERSION
41#define SPEEX_MAJOR_VERSION 1 /**< Major Speex version. */
42#define SPEEX_MINOR_VERSION 1 /**< Minor Speex version. */
43#define SPEEX_MICRO_VERSION 15 /**< Micro Speex version. */
44#define SPEEX_EXTRA_VERSION "" /**< Extra Speex version. */
45#define SPEEX_VERSION "speex-1.2beta4" /**< Speex version string. */
46#endif
47
48/* A couple test to catch stupid option combinations */
49#ifdef FIXED_POINT
50
51#ifdef FLOATING_POINT
52#error You cannot compile as floating point and fixed point at the same time
53#endif
54#ifdef _USE_SSE
55#error SSE is only for floating-point
56#endif
57#if ((defined (ARM4_ASM)||defined (ARM4_ASM)) && defined(BFIN_ASM)) || (defined (ARM4_ASM)&&defined(ARM5E_ASM))
58#error Make up your mind. What CPU do you have?
59#endif
60#ifdef VORBIS_PSYCHO
61#error Vorbis-psy model currently not implemented in fixed-point
62#endif
63
64#else
65
66#ifndef FLOATING_POINT
67#error You now need to define either FIXED_POINT or FLOATING_POINT
68#endif
69#if defined (ARM4_ASM) || defined(ARM5E_ASM) || defined(BFIN_ASM)
70#error I suppose you can have a [ARM4/ARM5E/Blackfin] that has float instructions?
71#endif
72#ifdef FIXED_POINT_DEBUG
73#error "Don't you think enabling fixed-point is a good thing to do if you want to debug that?"
74#endif
75
76
77#endif
78
79#ifndef OUTSIDE_SPEEX
80#include "speex/speex_types.h"
81#endif
82
83#undef ABS
84#define ABS(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute integer value. */
85#define ABS16(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute 16-bit value. */
86#define MIN16(a,b) ((a) < (b) ? (a) : (b)) /**< Maximum 16-bit value. */
87#define MAX16(a,b) ((a) > (b) ? (a) : (b)) /**< Maximum 16-bit value. */
88#define ABS32(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute 32-bit value. */
89#define MIN32(a,b) ((a) < (b) ? (a) : (b)) /**< Maximum 32-bit value. */
90#define MAX32(a,b) ((a) > (b) ? (a) : (b)) /**< Maximum 32-bit value. */
91
92#ifdef FIXED_POINT
93
94typedef spx_int16_t spx_word16_t;
95typedef spx_int32_t spx_word32_t;
96typedef spx_word32_t spx_mem_t;
97typedef spx_word16_t spx_coef_t;
98typedef spx_word16_t spx_lsp_t;
99typedef spx_word32_t spx_sig_t;
100
101#define Q15ONE 32767
102
103#define LPC_SCALING 8192
104#define SIG_SCALING 16384
105#define LSP_SCALING 8192.
106#define GAMMA_SCALING 32768.
107#define GAIN_SCALING 64
108#define GAIN_SCALING_1 0.015625
109
110#define LPC_SHIFT 13
111#define LSP_SHIFT 13
112#define SIG_SHIFT 14
113#define GAIN_SHIFT 6
114
115#define VERY_SMALL 0
116#define VERY_LARGE32 ((spx_word32_t)2147483647)
117#define VERY_LARGE16 ((spx_word16_t)32767)
118#define Q15_ONE ((spx_word16_t)32767)
119
120
121#ifdef FIXED_DEBUG
122#include "fixed_debug.h"
123#else
124
125#include "fixed_generic.h"
126
127#ifdef ARM5E_ASM
128#include "fixed_arm5e.h"
129#elif defined (ARM4_ASM)
130#include "fixed_arm4.h"
131#elif defined (BFIN_ASM)
132#include "fixed_bfin.h"
133#endif
134
135#endif
136
137
138#else
139
140typedef float spx_mem_t;
141typedef float spx_coef_t;
142typedef float spx_lsp_t;
143typedef float spx_sig_t;
144typedef float spx_word16_t;
145typedef float spx_word32_t;
146
147#define Q15ONE 1.0f
148#define LPC_SCALING 1.f
149#define SIG_SCALING 1.f
150#define LSP_SCALING 1.f
151#define GAMMA_SCALING 1.f
152#define GAIN_SCALING 1.f
153#define GAIN_SCALING_1 1.f
154
155
156#define VERY_SMALL 1e-15f
157#define VERY_LARGE32 1e15f
158#define VERY_LARGE16 1e15f
159#define Q15_ONE ((spx_word16_t)1.f)
160
161#define QCONST16(x,bits) (x)
162#define QCONST32(x,bits) (x)
163
164#define NEG16(x) (-(x))
165#define NEG32(x) (-(x))
166#define EXTRACT16(x) (x)
167#define EXTEND32(x) (x)
168#define SHR16(a,shift) (a)
169#define SHL16(a,shift) (a)
170#define SHR32(a,shift) (a)
171#define SHL32(a,shift) (a)
172#define PSHR16(a,shift) (a)
173#define PSHR32(a,shift) (a)
174#define VSHR32(a,shift) (a)
175#define SATURATE16(x,a) (x)
176#define SATURATE32(x,a) (x)
177
178#define PSHR(a,shift) (a)
179#define SHR(a,shift) (a)
180#define SHL(a,shift) (a)
181#define SATURATE(x,a) (x)
182
183#define ADD16(a,b) ((a)+(b))
184#define SUB16(a,b) ((a)-(b))
185#define ADD32(a,b) ((a)+(b))
186#define SUB32(a,b) ((a)-(b))
187#define MULT16_16_16(a,b) ((a)*(b))
188#define MULT16_16(a,b) ((spx_word32_t)(a)*(spx_word32_t)(b))
189#define MAC16_16(c,a,b) ((c)+(spx_word32_t)(a)*(spx_word32_t)(b))
190
191#define MULT16_32_Q11(a,b) ((a)*(b))
192#define MULT16_32_Q13(a,b) ((a)*(b))
193#define MULT16_32_Q14(a,b) ((a)*(b))
194#define MULT16_32_Q15(a,b) ((a)*(b))
195#define MULT16_32_P15(a,b) ((a)*(b))
196
197#define MAC16_32_Q11(c,a,b) ((c)+(a)*(b))
198#define MAC16_32_Q15(c,a,b) ((c)+(a)*(b))
199
200#define MAC16_16_Q11(c,a,b) ((c)+(a)*(b))
201#define MAC16_16_Q13(c,a,b) ((c)+(a)*(b))
202#define MAC16_16_P13(c,a,b) ((c)+(a)*(b))
203#define MULT16_16_Q11_32(a,b) ((a)*(b))
204#define MULT16_16_Q13(a,b) ((a)*(b))
205#define MULT16_16_Q14(a,b) ((a)*(b))
206#define MULT16_16_Q15(a,b) ((a)*(b))
207#define MULT16_16_P15(a,b) ((a)*(b))
208#define MULT16_16_P13(a,b) ((a)*(b))
209#define MULT16_16_P14(a,b) ((a)*(b))
210
211#define DIV32_16(a,b) (((spx_word32_t)(a))/(spx_word16_t)(b))
212#define PDIV32_16(a,b) (((spx_word32_t)(a))/(spx_word16_t)(b))
213#define DIV32(a,b) (((spx_word32_t)(a))/(spx_word32_t)(b))
214#define PDIV32(a,b) (((spx_word32_t)(a))/(spx_word32_t)(b))
215
216
217#endif
218
219
220#if defined (CONFIG_TI_C54X) || defined (CONFIG_TI_C55X)
221
222/* 2 on TI C5x DSP */
223#define BYTES_PER_CHAR 2
224#define BITS_PER_CHAR 16
225#define LOG2_BITS_PER_CHAR 4
226
227#else
228
229#define BYTES_PER_CHAR 1
230#define BITS_PER_CHAR 8
231#define LOG2_BITS_PER_CHAR 3
232
233#endif
234
235
236
237#ifdef FIXED_DEBUG
238long long spx_mips=0;
239#endif
240
241
242#endif