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arch.h
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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#define FIXED_POINT
39
40/* A couple test to catch stupid option combinations */
41#ifdef FIXED_POINT
42
43#ifdef FLOATING_POINT
44#error You cannot compile as floating point and fixed point at the same time
45#endif
46#ifdef _USE_SSE
47#error SSE is only for floating-point
48#endif
49#if ((defined (ARM4_ASM)||defined (ARM4_ASM)) && defined(BFIN_ASM)) || (defined (ARM4_ASM)&&defined(ARM5E_ASM))
50#error Make up your mind. What CPU do you have?
51#endif
52#ifdef VORBIS_PSYCHO
53#error Vorbis-psy model currently not implemented in fixed-point
54#endif
55
56#else
57
58#ifndef FLOATING_POINT
59#error You now need to define either FIXED_POINT or FLOATING_POINT
60#endif
61#if defined (ARM4_ASM) || defined(ARM5E_ASM) || defined(BFIN_ASM)
62#error I suppose you can have a [ARM4/ARM5E/Blackfin] that has float instructions?
63#endif
64#ifdef FIXED_POINT_DEBUG
65#error "Don't you think enabling fixed-point is a good thing to do if you want to debug that?"
66#endif
67
68
69#endif
70
71#ifndef OUTSIDE_SPEEX
72#include "speex/speexdsp_types.h"
73#endif
74
75#define ABS(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute integer value. */
76#define ABS16(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute 16-bit value. */
77#define MIN16(a,b) ((a) < (b) ? (a) : (b)) /**< Maximum 16-bit value. */
78#define MAX16(a,b) ((a) > (b) ? (a) : (b)) /**< Maximum 16-bit value. */
79#define ABS32(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute 32-bit value. */
80#define MIN32(a,b) ((a) < (b) ? (a) : (b)) /**< Maximum 32-bit value. */
81#define MAX32(a,b) ((a) > (b) ? (a) : (b)) /**< Maximum 32-bit value. */
82
83#ifdef FIXED_POINT
84
85typedef spx_int16_t spx_word16_t;
86typedef spx_int32_t spx_word32_t;
91
92#define Q15ONE 32767
93
94#define LPC_SCALING 8192
95#define SIG_SCALING 16384
96#define LSP_SCALING 8192.
97#define GAMMA_SCALING 32768.
98#define GAIN_SCALING 64
99#define GAIN_SCALING_1 0.015625
100
101#define LPC_SHIFT 13
102#define LSP_SHIFT 13
103#define SIG_SHIFT 14
104#define GAIN_SHIFT 6
105
106#define VERY_SMALL 0
107#define VERY_LARGE32 ((spx_word32_t)2147483647)
108#define VERY_LARGE16 ((spx_word16_t)32767)
109#define Q15_ONE ((spx_word16_t)32767)
110
111
112#ifdef FIXED_DEBUG
113#include "fixed_debug.h"
114#else
115
116#include "fixed_generic.h"
117
118#ifdef ARM5E_ASM
119#include "fixed_arm5e.h"
120#elif defined (ARM4_ASM)
121#include "fixed_arm4.h"
122#elif defined (BFIN_ASM)
123#include "fixed_bfin.h"
124#endif
125
126#endif
127
128
129#else
130
131typedef float spx_mem_t;
132typedef float spx_coef_t;
133typedef float spx_lsp_t;
134typedef float spx_sig_t;
135typedef float spx_word16_t;
136typedef float spx_word32_t;
137
138#define Q15ONE 1.0f
139#define LPC_SCALING 1.f
140#define SIG_SCALING 1.f
141#define LSP_SCALING 1.f
142#define GAMMA_SCALING 1.f
143#define GAIN_SCALING 1.f
144#define GAIN_SCALING_1 1.f
145
146
147#define VERY_SMALL 1e-15f
148#define VERY_LARGE32 1e15f
149#define VERY_LARGE16 1e15f
150#define Q15_ONE ((spx_word16_t)1.f)
151
152#define QCONST16(x,bits) (x)
153#define QCONST32(x,bits) (x)
154
155#define NEG16(x) (-(x))
156#define NEG32(x) (-(x))
157#define EXTRACT16(x) (x)
158#define EXTEND32(x) (x)
159#define SHR16(a,shift) (a)
160#define SHL16(a,shift) (a)
161#define SHR32(a,shift) (a)
162#define SHL32(a,shift) (a)
163#define PSHR16(a,shift) (a)
164#define PSHR32(a,shift) (a)
165#define VSHR32(a,shift) (a)
166#define SATURATE16(x,a) (x)
167#define SATURATE32(x,a) (x)
168#define SATURATE32PSHR(x,shift,a) (x)
169
170#define PSHR(a,shift) (a)
171#define SHR(a,shift) (a)
172#define SHL(a,shift) (a)
173#define SATURATE(x,a) (x)
174
175#define ADD16(a,b) ((a)+(b))
176#define SUB16(a,b) ((a)-(b))
177#define ADD32(a,b) ((a)+(b))
178#define SUB32(a,b) ((a)-(b))
179#define MULT16_16_16(a,b) ((a)*(b))
180#define MULT16_16(a,b) ((spx_word32_t)(a)*(spx_word32_t)(b))
181#define MAC16_16(c,a,b) ((c)+(spx_word32_t)(a)*(spx_word32_t)(b))
182
183#define MULT16_32_Q11(a,b) ((a)*(b))
184#define MULT16_32_Q13(a,b) ((a)*(b))
185#define MULT16_32_Q14(a,b) ((a)*(b))
186#define MULT16_32_Q15(a,b) ((a)*(b))
187#define MULT16_32_P15(a,b) ((a)*(b))
188
189#define MAC16_32_Q11(c,a,b) ((c)+(a)*(b))
190#define MAC16_32_Q15(c,a,b) ((c)+(a)*(b))
191
192#define MAC16_16_Q11(c,a,b) ((c)+(a)*(b))
193#define MAC16_16_Q13(c,a,b) ((c)+(a)*(b))
194#define MAC16_16_P13(c,a,b) ((c)+(a)*(b))
195#define MULT16_16_Q11_32(a,b) ((a)*(b))
196#define MULT16_16_Q13(a,b) ((a)*(b))
197#define MULT16_16_Q14(a,b) ((a)*(b))
198#define MULT16_16_Q15(a,b) ((a)*(b))
199#define MULT16_16_P15(a,b) ((a)*(b))
200#define MULT16_16_P13(a,b) ((a)*(b))
201#define MULT16_16_P14(a,b) ((a)*(b))
202
203#define DIV32_16(a,b) (((spx_word32_t)(a))/(spx_word16_t)(b))
204#define PDIV32_16(a,b) (((spx_word32_t)(a))/(spx_word16_t)(b))
205#define DIV32(a,b) (((spx_word32_t)(a))/(spx_word32_t)(b))
206#define PDIV32(a,b) (((spx_word32_t)(a))/(spx_word32_t)(b))
207
208
209#endif
210
211
212#if defined (CONFIG_TI_C54X) || defined (CONFIG_TI_C55X)
213
214/* 2 on TI C5x DSP */
215#define BYTES_PER_CHAR 2
216#define BITS_PER_CHAR 16
217#define LOG2_BITS_PER_CHAR 4
218
219#else
220
221#define BYTES_PER_CHAR 1
222#define BITS_PER_CHAR 8
223#define LOG2_BITS_PER_CHAR 3
224
225#endif
226
227
228
229#ifdef FIXED_DEBUG
230extern long long spx_mips;
231#endif
232
233
234#endif
spx_word32_t spx_sig_t
Definition: arch.h:90
spx_int32_t spx_word32_t
Definition: arch.h:86
spx_word16_t spx_lsp_t
Definition: arch.h:89
spx_word16_t spx_coef_t
Definition: arch.h:88
spx_int16_t spx_word16_t
Definition: arch.h:85
spx_word32_t spx_mem_t
Definition: arch.h:87
Generic fixed-point operations.