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1 office 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 /* 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)) /**< Absolute integer value. */
75 #endif
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  
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