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arch.h
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1 /* Copyright (C) 2003 Jean-Marc Valin */
6 /*
7  Redistribution and use in source and binary forms, with or without
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22  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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33 */
34 
35 #ifndef ARCH_H
36 #define ARCH_H
37 
38 /* A couple test to catch stupid option combinations */
39 #ifdef FIXED_POINT
40 
41 #ifdef FLOATING_POINT
42 #error You cannot compile as floating point and fixed point at the same time
43 #endif
44 #ifdef _USE_SSE
45 #error SSE is only for floating-point
46 #endif
47 #if ((defined (ARM4_ASM)||defined (ARM4_ASM)) && defined(BFIN_ASM)) || (defined (ARM4_ASM)&&defined(ARM5E_ASM))
48 #error Make up your mind. What CPU do you have?
49 #endif
50 #ifdef VORBIS_PSYCHO
51 #error Vorbis-psy model currently not implemented in fixed-point
52 #endif
53 
54 #else
55 
56 #ifndef FLOATING_POINT
57 #error You now need to define either FIXED_POINT or FLOATING_POINT
58 #endif
59 #if defined (ARM4_ASM) || defined(ARM5E_ASM) || defined(BFIN_ASM)
60 #error I suppose you can have a [ARM4/ARM5E/Blackfin] that has float instructions?
61 #endif
62 #ifdef FIXED_POINT_DEBUG
63 #error "Don't you think enabling fixed-point is a good thing to do if you want to debug that?"
64 #endif
65 
66 
67 #endif
68 
69 #ifndef OUTSIDE_SPEEX
70 #include "speex/speexdsp_types.h"
71 #endif
72 
73 #ifndef ABS /* already defined by glib.h */
74 #define ABS(x) ((x) < 0 ? (-(x)) : (x))
75 #endif
76 #define ABS16(x) ((x) < 0 ? (-(x)) : (x))
77 #define MIN16(a,b) ((a) < (b) ? (a) : (b))
78 #define MAX16(a,b) ((a) > (b) ? (a) : (b))
79 #define ABS32(x) ((x) < 0 ? (-(x)) : (x))
80 #define MIN32(a,b) ((a) < (b) ? (a) : (b))
81 #define MAX32(a,b) ((a) > (b) ? (a) : (b))
83 #ifdef FIXED_POINT
84 
85 typedef spx_int16_t spx_word16_t;
86 typedef spx_int32_t spx_word32_t;
87 typedef spx_word32_t spx_mem_t;
88 typedef spx_word16_t spx_coef_t;
89 typedef spx_word16_t spx_lsp_t;
90 typedef spx_word32_t spx_sig_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 WORD2INT(x) ((spx_int16_t)((x) < -32767 ? -32768 : ((x) > 32766 ? 32767 : (x))))
107 
108 #define VERY_SMALL 0
109 #define VERY_LARGE32 ((spx_word32_t)2147483647)
110 #define VERY_LARGE16 ((spx_word16_t)32767)
111 #define Q15_ONE ((spx_word16_t)32767)
112 
113 
114 #ifdef FIXED_DEBUG
115 #include "fixed_debug.h"
116 #else
117 
118 #include "fixed_generic.h"
119 
120 #ifdef ARM5E_ASM
121 #include "fixed_arm5e.h"
122 #elif defined (ARM4_ASM)
123 #include "fixed_arm4.h"
124 #elif defined (BFIN_ASM)
125 #include "fixed_bfin.h"
126 #endif
127 
128 #endif
129 
130 
131 #else
132 
133 typedef float spx_mem_t;
134 typedef float spx_coef_t;
135 typedef float spx_lsp_t;
136 typedef float spx_sig_t;
137 typedef float spx_word16_t;
138 typedef float spx_word32_t;
139 
140 #define Q15ONE 1.0f
141 #define LPC_SCALING 1.f
142 #define SIG_SCALING 1.f
143 #define LSP_SCALING 1.f
144 #define GAMMA_SCALING 1.f
145 #define GAIN_SCALING 1.f
146 #define GAIN_SCALING_1 1.f
147 
148 
149 #define VERY_SMALL 1e-15f
150 #define VERY_LARGE32 1e15f
151 #define VERY_LARGE16 1e15f
152 #define Q15_ONE ((spx_word16_t)1.f)
153 
154 #define QCONST16(x,bits) (x)
155 #define QCONST32(x,bits) (x)
156 
157 #define NEG16(x) (-(x))
158 #define NEG32(x) (-(x))
159 #define EXTRACT16(x) (x)
160 #define EXTEND32(x) (x)
161 #define SHR16(a,shift) (a)
162 #define SHL16(a,shift) (a)
163 #define SHR32(a,shift) (a)
164 #define SHL32(a,shift) (a)
165 #define PSHR16(a,shift) (a)
166 #define PSHR32(a,shift) ((spx_word16_t)(a))
167 #define VSHR32(a,shift) (a)
168 #define SATURATE16(x,a) (x)
169 #define SATURATE32(x,a) (x)
170 #define SATURATE32PSHR(x,shift,a) (x)
171 
172 #define PSHR(a,shift) (a)
173 #define SHR(a,shift) (a)
174 #define SHL(a,shift) (a)
175 #define SATURATE(x,a) (x)
176 
177 #define ADD16(a,b) ((a)+(b))
178 #define SUB16(a,b) ((a)-(b))
179 #define ADD32(a,b) ((a)+(b))
180 #define SUB32(a,b) ((a)-(b))
181 #define MULT16_16_16(a,b) ((a)*(b))
182 #define MULT16_16(a,b) ((spx_word32_t)(a)*(spx_word32_t)(b))
183 #define MAC16_16(c,a,b) ((c)+(spx_word32_t)(a)*(spx_word32_t)(b))
184 
185 #define MULT16_32_Q11(a,b) ((a)*(b))
186 #define MULT16_32_Q13(a,b) ((a)*(b))
187 #define MULT16_32_Q14(a,b) ((a)*(b))
188 #define MULT16_32_Q15(a,b) ((spx_word32_t)((a)*(b)))
189 #define MULT16_32_P15(a,b) ((a)*(b))
190 
191 #define MAC16_32_Q11(c,a,b) ((c)+(a)*(b))
192 #define MAC16_32_Q15(c,a,b) ((c)+(a)*(b))
193 
194 #define MAC16_16_Q11(c,a,b) ((c)+(a)*(b))
195 #define MAC16_16_Q13(c,a,b) ((c)+(a)*(b))
196 #define MAC16_16_P13(c,a,b) ((c)+(a)*(b))
197 #define MULT16_16_Q11_32(a,b) ((a)*(b))
198 #define MULT16_16_Q13(a,b) ((a)*(b))
199 #define MULT16_16_Q14(a,b) ((a)*(b))
200 #define MULT16_16_Q15(a,b) ((a)*(b))
201 #define MULT16_16_P15(a,b) ((a)*(b))
202 #define MULT16_16_P13(a,b) ((a)*(b))
203 #define MULT16_16_P14(a,b) ((a)*(b))
204 
205 #define DIV32_16(a,b) (((spx_word32_t)(a))/(spx_word16_t)(b))
206 #define PDIV32_16(a,b) (((spx_word32_t)(a))/(spx_word16_t)(b))
207 #define DIV32(a,b) (((spx_word32_t)(a))/(spx_word32_t)(b))
208 #define PDIV32(a,b) (((spx_word32_t)(a))/(spx_word32_t)(b))
209 
210 #define WORD2INT(x) ((spx_int16_t)((x) < -32767.5f ? -32768 : ((x) > 32766.5f ? 32767 : floor(.5+(x)))))
211 
212 #endif
213 
214 
215 #if defined (CONFIG_TI_C54X) || defined (CONFIG_TI_C55X)
216 
217 /* 2 on TI C5x DSP */
218 #define BYTES_PER_CHAR 2
219 #define BITS_PER_CHAR 16
220 #define LOG2_BITS_PER_CHAR 4
221 
222 #else
223 
224 #define BYTES_PER_CHAR 1
225 #define BITS_PER_CHAR 8
226 #define LOG2_BITS_PER_CHAR 3
227 
228 #endif
229 
230 
231 
232 #ifdef FIXED_DEBUG
233 extern long long spx_mips;
234 #endif
235 
236 
237 #endif